• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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    • 专利摘要:
    SUBUNITY FOR A MOTOR CONTROL CENTER AND MOTOR CONTROL CENTER The subunit (200) is provided for a motor control center (100) including a housing (102), a series of compartments (108), a plurality of power lines ( 110), and a series of covers (112) to cover the compartments (108). The subunit (200) includes a housing (202) removably disposed within one of the corresponding compartments (108), a plurality of electrical contacts (224, 226, 228) movably coupled to the housing (202), and a set drive (230) to move the electrical contacts (224, 226, 228) into and out of the electrical contact with the power lines (110). The subunit (200) further includes at least one locking assembly (300), a panel assembly (400), and a secondary disconnecting assembly (500). The locking set (300) blocks the position of the electrical contacts (224, 226, 228) and restricts access to the drive set (230). The panel assembly (400) is articulable and movable in relation to the housing of the subunit (202). The secondary disconnect assembly (500) is independent of the drive assembly (230), so that the movement of the electrical contacts (224, 226, 228) does not move the secondary disconnection assembly (500).
    公开号:BR112012002430B1
    申请号:R112012002430-2
    申请日:2010-08-04
    公开日:2021-02-23
    发明作者:Daniel J. Leeman；Edgar Yee；Marsha J. Harris；Robert A. Morris
    申请人:Eaton Corporation；
    IPC主号:
    专利说明:

    History of the invention Field of invention
    [0001] The concept disseminated generally refers to motor control systems, and more particularly, to motor control centers. The concept disclosed also refers to subunits for motor control centers. Background Information
    [0002] Motor control centers are used, for example, in some commercial and industrial applications to distribute electrical energy to a variety of loads (for example, without limitation, relatively high electric motors, pumps and other loads).
    [0003] Figure 1, for example, shows a part of a motor control center 10. Motor control center 10 includes a housing with multiple compartments 12 to receive a plurality of motor control modules 14, 16, 18, 20 , 22, 24, commonly referred to as "buckets". Normally, each bucket (see, for example, bucket 22 in Figure 1, also shown in Figure 2) is a removable and withdrawable subunit that has, or is installed behind, a door 26. Door 26 is preferably attached to the box 12 via hinges 28 (shown in the dashed line drawing in Figure 1) to allow access to the motor control components of bucket 22 while it is installed in housing 12. For example, and without limitation, port 26 allows for access to a breaker assembly 30, a stroke indicator 32, a plug indicator 34, and a line actuator 36. When bucket 22 is fully installed and electrically connected behind port 26 of housing 10, an operator can operate a disconnect loop 38. In a state where the motor control center 10 is de-energized, the operator can operate an isolation feature by moving a blade 40 and inserting a crank 42 through a hole 43 in port 26 to access the contact line actuator 36 to move a number of contact lines (see, for example, blow contacts 46, 48, 50 of bucket 22 in Figure 2) to an isolated position (see Figure 2) of the electrical contact with lines cables or busbars 52 (partly shown in the dotted line drawing in Figure 2) of the motor control center 10. Motor control centers and their subunits are described in greater detail, for example, in the commonly designated US patent application publications 2009/0086414, 2008/0258667, 2008/0023211 and 2008/0022673, which are hereby incorporated by reference. 09-PCS-047 (030)
    [0004] There is room for improvement in motor control centers and their subunits. Summary of the invention
    [0005] These and other needs are met by disclosed configurations of the concept, which are directed to a subunit for a motor control center, where the subunit includes at least one of the following: (a) panel assembly (for example, without limitation) , pilot device panel assembly) to provide access to internal engine control components, (b) a locking assembly that allows subunit components to be locked (for example, without limitation, a padlock) in a variety of different positions , and (c) a secondary disconnect set, which, among other benefits, does not use the sliding of the electrical contacts, thus improving the reliability of the electrical connection.
    [0006] As an aspect of the disclosed concept, a subunit is provided for a motor control center. The motor control center includes a housing having an exterior, an interior and a series of compartments arranged inside, a plurality of power lines, and a series of covers to cover the compartments. The subunit comprises: a box structured to be removably disposed within one of the corresponding compartments of the enclosure; a plurality of electrical contacts movable, coupled to the enclosure; a structured set of actuation to move the electrical contacts between a first position corresponding to the electrical contacts being electrically connected to the power lines of the motor control center; and a second position corresponding to the electrical contacts not being electrically connected to the power lines; and a locking assembly to lock the position of the electrical contacts. When the locking set is locked, the locking set restricts access to the drive set and prevents a corresponding cover from the motor control center from being opened. The locking assembly is lockable when the electrical contacts are in the first position and when the electrical contacts are in the second position.
    [0007] The locking assembly may include a plurality of members of the support, each including a hole, and a support comprising a first end, a second end opposite and distally disposed from the first end, and an arranged access hole between the first end and the second end. At least one of the support members can be movable with respect to the support to align the hole of each of the support members with the access hole of the assembly. When the entire holes are aligned with the access hole, the access hole can be structured to give access to the subunit drive assembly through a corresponding cover of the housing.
    [0008] As another aspect of the concept disclosed, a subunit is provided for a motor control center. The motor control center includes a housing having a number of compartments. The subunit comprises: a housing including a first side wall and a second opposite side wall, both distally disposed from the first side wall, the housing being structured to be removably disposed within one of the corresponding housing compartments, a axis extending between the first side wall and the second side wall, axis including a longitudinal axis, and a panel assembly including a panel member and an articulation assembly movably coupled to the panel member of such axis. The panel member is pivotable about the longitudinal axis of the axis, in order to rotate in relation to the housing, and the panel member is movable along the longitudinal axis of the axis, in order to move back and forth with respect to to the casing.
    [0009] The hinge assembly may include a first hinge element and a second hinge element pivotally coupled to the first hinge element, the hinge element first being coupled to the panel member and the second hinge element being movably arranged on the shaft. The first hinge element may include a number of first hinge elements. The second hinge element may include a generally flat portion, a first protrusion extends outward from the generally flat portion, a second protrusion extends outwardly from the generally flat opposite and distal portion of the first protrusion and a number of seconds connecting elements. The second connecting elements of the second hinge element can cooperate with the first connecting elements of the first hinge element to form a rotating joint between the first hinge element and the second hinge element. The first protrusion element of the second hinge element and the second protrusion of the second hinge element can include a second opening, where the axis extends through the opening of the first protrusion and the opening of the second protrusion.
    [0010] As an aspect of the disclosed concept, a subunit is provided for a motor control center. The motor control center includes a housing having a number of compartments and a plurality of power lines. The subunit comprises: a housing including a first side and a second opposite side, both disposed distally from the first side, the housing being structured to be removably disposed within a corresponding housing compartment, a plurality of electrical contacts main movably coupled to the enclosure; a structured drive set to move the primary electrical contacts in and out of electrical contact with the power lines of the motor control center, and a secondary disconnect set, including a first electrical connector and a second electrical connector, the first electrical connector being structured to be coupled to a portion of the corresponding compartment of the motor control center enclosure, and the second electrical connector to be coupled to a correspondent on the first side of the subunit enclosure and the second side of the subunit enclosure, the second connector being electrical structured to be electrically connected to the first electrical connector when the subunit is arranged inside one of the corresponding compartments of the motor control center housing. The secondary disconnect assembly is independent of the drive assembly, so that the movement of the main electrical contacts in relation to the enclosure does not move the secondary disconnection assembly.
    [0011] The first electrical connector can include a plurality of the first secondary electrical contacts, and the second electrical connector can include a plurality of second secondary electrical contacts. The primary electrical contacts can be movable between an on position, a test position, and a withdrawal position, where the first secondary electrical contacts are electrically connected to the second secondary electrical contacts, when the primary electrical contacts are arranged in the on and off position. when the primary electrical contacts are arranged in the test position. When the main electrical contacts are moved between the on position and the test position, neither the first electrical connector nor the second electrical connector can move, so that the unwanted movement of the first secondary electrical contacts with respect to the second contacts can be avoided. secondary electrical devices.
    [0012] As another aspect of the concept disclosed, a motor control center is provided. The motor control center comprises: a housing with an exterior and an interior, a number of compartments arranged inside; a plurality of power lines, a number of covers to cover the compartments, and at least one subunit comprising: a housing removably disposed within one of the corresponding compartments of the housing, a plurality of electrical contacts movably coupled to the housing, a drive assembly for moving the electrical contacts between a first position corresponding to the electrical contacts being electrically connected to the power lines of the motor control center, and a second position corresponding to the electrical contacts not being electrically connected to the power lines, and at least one of the locking assemblies to lock the position of the electrical contacts and restrict access to the drive assembly, panel assembly, and secondary disconnect assembly. Brief description of the drawings
    [0013] Full understanding of the disclosed concept can be gained with the following description of the preferred configurations when read in conjunction with the attached drawings, in which:
    [0014] Figure 1 is an isometric view of a portion of a motor control center and its subunits;
    [0015] Figure 2 is an isometric view of one of the subunits of Figure 1;
    [0016] Figure 3 is a top plan view of a subunit of the motor control center, according to the concept disclosed;
    [0017] Figures 4 and 5 are isometric views assembled and exploded, respectively, of a locking set of a subunit of the motor control center, according to a configuration of the disclosed concept;
    [0018] Figure 6 is an isometric view of a subunit of a motor control center and its panel assembly, according to another configuration of the concept disclosed, showing the panel assembly in the closed position;
    [0019] Figure 7 is an isometric view of the subunit and the respective panel assembly of figure 6, showing the panel assembly in the open position in solid line drawing, and showing the panel assembly in an open and offset position in drawing of dashed line;
    [0020] Figure 8 is an isometric view of the panel assembly of Figure 7;
    [0021] Figures 9A and 9B are isometric views of the hinge assembly to the panel assembly of figure 8, respectively, showing the hinge assembly in the open and closed positions;
    [0022] Figure 10 is a rear isometric view of part of a subunit of the motor control center and its secondary disconnection set, according to another configuration of the concept disclosed;
    [0023] Figure 11 is an isometric front view of a portion of the subunit and its secondary disconnect set of figure 10; and
    [0024] Figure 12 is an isometric view of a portion of a motor control center and its subunits, showing the simplified subunit installed inside the motor control center enclosure according to the concept disclosed. Description of preferred settings
    [0025] The directional phrases used here, such as, for example, left, right, clockwise, counterclockwise, up, down, forward, back, top, bottom and their derivatives, are related to the orientation of the elements shown in the drawings and are not limiting on the claims unless expressly mentioned therein.
    [0026] As used herein, the terms "power supply", "power lines", "power lines", "motor power", "load power" and "line power" refer to any known voltage or appropriate, or current feature and explicitly include, but are not limited to, three-phase AC power, single-phase AC power, DC power, multiple DC power lines, or any combination thereof.
    [0027] As used here, the term "bucket" refers to a subunit or module of a motor control center.
    [0028] As used here, the term "motor control components" should be understood to include the various types of control devices and components, which can be housed in a bucket of the motor control center for connection to the power supply. Devices and components expressly include, but are not limited to, contactors, relays, motor controllers, circuit breakers, circuit protection devices, and so on.
    [0029] As used herein, the term "shaft" refers to any known or suitable member (for example, without limitation, rod; pole; bushing, pin, linear bearing member) structured to provide displacement (for example, without limitation, linear movement back and forth) of the panel assembly disclosed along the longitudinal axis of the axis and / or articulable movement of the panel assembly disclosed around the longitudinal axis of the axis.
    [0030] As an employee here, the statement that two or more parties are "linked" or "associated" together must mean that the parties are joined directly or through one or more intermediate parties. In addition, as employed here, the claim that two or more parts are "linked" means that the parts are directly joined.
    [0031] As used herein, the term "fastener" refers to any known or suitable connection or tightening mechanism that expressly includes, but is not limited to, rivets, pins, screws, nuts and combinations of screws and nuts ( for example, without limitation, lock nuts) and screws, washers and nuts.
    [0032] As used herein, the term "number" must mean one or an integer greater than one (that is, a plurality).
    [0033] Figure 3 shows a subunit 200 for a motor control center 100 (partially shown in the dashed line drawing, see also figures 11 and 12). The motor control center 100 includes a housing 102 having an exterior 104, an interior 106, and a series of compartments 108 arranged in the interior 106, as best shown in Figure 12. The motor control center 100 further includes a plurality of lines of energy 110 (shown in the dashed line drawing in Figure 3), and a series of covers 112 (a cover 112 is shown in Figure 1) to cover compartments 108. The cover of the example is a hinged door 112, which is hinged between the closed position of Figure 3 and an open position, as shown, for example, in Figure 12.
    [0034] Continuing in Figure 3, subunit 200 includes a housing 202, which is structured to be removably disposed within one of the corresponding compartments 108 of the housing of the motor control center 102. A plurality of electrical contacts 224, 226, 228 are movably coupled to housing 202, and are movable in (shown in the dotted line drawing in Figure 3) and in (shown in the solid line drawing in Figure 3) electrical contact with the corresponding power lines 110 the center of motor control 100. More specifically, a drive mechanism 230 is structured to move the electrical contacts, which in the example of Figure 3 are contacts 224, 226, 228, between the first position, shown in the dashed line drawing and the corresponding ones for the strike contacts 224, 226, 228 being electrically connected to power lines 110, and the second position, shown in the solid line drawing and corresponding to strike contacts 224, 226, 228 is not o being electrically connected to power lines 110. That is, drive set 230 includes an isolating contact set 232 having a plurality of plug sets 234, one for each corresponding stroke contact 224, 226, 228. So when the blow contacts 224, 226, 228 are in the second position (for example, corresponding to the test position or the withdrawal position), shown in the solid line drawing in Figure 3, the shutter assemblies 234 of the isolator contact assembly 232 isolate the corresponding stroke contacts 224, 226, 228 from the power lines 110 of the motor control center 100. Such insulator assemblies and respective plug assemblies are described in more detail in the commonly designated US Patent Application 2008/0258667 .
    [0035] As shown in Figures 3-7, the subunit 200 preferably includes a locking assembly 300, which is structured to lock (for example, without limitation, a padlock 350, as shown in the dashed line drawing in Figure 4) the position of the stroke contacts 224, 226, 228 in a number of predetermined positions. Among other benefits, this locking capability provides an additional safety measure to withstand the possibility of injury to operators when subunit 200 is moved into and out of a corresponding compartment 108 (Figures 3, 11 and 12) of the center housing. motor control 102 (Figures 3, 11 and 12) and / or the blow contacts 224, 226, 228 are moved in and out of electrical contact with the power lines 110. More specifically, unlike the subunits of the prior art ( see, for example, subunit 26 of Figures 1 and 2) which, at best, could be adapted to incorporate a locking feature (not shown) in one position (for example, on position), locking set 300 disclosed are advantageously lockable both when the stroke contacts 224, 226, 228 are in the first position (for example, the on position, shown in dashed line drawing in Figure 3), and when the electrical contacts 224, 226, 228 are in the second position (for example, the withdrawal position, shown in the solid line drawing in Figure 3).
    [0036] As an example, not limited with reference to Figure 4, the locking set 300 is lockable (for example, without limitation, by inserting a locking element, as, for example, without limitation, the padlock 350 that appears in the dashed line drawing in Figure 4) to lock the corresponding cover 112 of the motor control center housing 102, and restrict access to subunit 200 from outside 104 of housing 102, as shown in Figure 3. The locking assembly 300 also advantageously locks the corresponding door 112 of the motor control center 110 in the closed position, shown in Figure 3, preventing it from being open when the motor control center 110 is energized. As discussed, it will be appreciated that the locking assembly 300 is also lockable in the second position (for example, electrical contacts 224, 226, 228 removed and insulated) to lock the insulator assembly 232 in such a way that the subunit 200 is safely accessible from the outside 104 of the motor control center housing 102.
    [0037] As Figures 4 and 5 best show, the locking set example 300 includes a plurality of support members, such as, for example, without limitation, a first support member 302, second support member 304, and third support member 306. Each support member 302, 304, 306 includes an access hole 308, 310, 312, respectively, best shown in Figure 5. Locking set 300 further includes a support 314 having a first and second opposite ends 316, 318, an access hole 320 disposed between the first and second ends 316, 318, and first and second opposite sides 322, 324. At least one of the support members 302, 304, 306 is movable with respect to assembly 314 to align the access holes 308, 310, 312 of the support members 302, 304, 306, respectively, with the access hole 320 of the support 314 to provide access to the drive assembly 230 mentioned above (Figure 3) of the subunit 200 (Figure 3) through the corresponding cover 112 (Figure 3) of the motor control center housing 102 (Figure 3). For example, and without limitation, in the non-limiting example shown and described here, third member 306 is movable (for example, without limitation, slidable to the left and right from the perspective of Figures 4 and 5) between the locked position (as shown in the dashed line drawing) and unlocked (not shown) in order to control access to drive assembly 230 (Figure 3).
    [0038] More specifically, the first side 322 of the support 314 faces the housing assembly of the motor control center 102, as shown in Figures 6 and 7. The first support member 302 is arranged on the first side 322 of the support 314 between the support 314 and the housing 102. The second support member 304 is coupled to the second side 324 of the support 314, between the support 314 and the third support member 306, and the third support member 306 is movably coupled to the second support member 304. As best shown in Figure 5, the set 314 still includes an elongated slot 326, which extends from the first side 322 of the support 314 to the second side 324, between the first and second ends 316, 318 of the same.
    [0039] The first support member 302 includes a perpendicular flange 330, which extends outwardly from the first support member 302, through the elongated slot 326 of the support 314, and outwardly from the second side 324 of the support 314, as shown in Figures 4, 6 and 7.
    [0040] The third support member 306 also preferably includes a perpendicular flange 332. The perpendicular flange 330 of the first support member 302 includes a series of openings 334, 336, 338 (three are shown in the example of Figures 3 to 7 ), and the perpendicular flange 332 of the third support member 306 includes a number of openings 340, 342 (two are shown in the example of Figure 5). When the locking assembly 300 is mounted, as shown, for example, in Figure 4, the perpendicular flange 330 of the first support members 302, at least partially overlaps the perpendicular flange 332 of the third support member 306. Thus, the third support member 306 is movable (for example, without limitation, sliding left and right from the perspective of Figures 4 and 5) between a number of positions (for example, without limitation, unlocked position; locked position) to align at least one of the openings 342 of the third support member 306 with at least one corresponding opening 336 of the first support member 302 to receive a locking element 350 therethrough, as shown in the dashed line drawing in Figure 4. appreciated, however, that any known or suitable number and / or configuration of openings could be included in the support members 304, 306 of the locking assembly 300, without departing from the scope the application of the disclosed concept. It will also be appreciated that any known or suitable type and / or number of locking elements (for example, without limitation, padlocks 350) could be employed to lock the locking assembly 300 in a predetermined desired position. Thus, the disclosed locking set 300 advantageously provides the ability to block subunit 200 (Figure 3) in a number of positions. In other words, safety is improved due to the fact that the isolating contact assembly 232 mentioned above (Figure 3) can be blocked in any connected position, where the blow contacts 224, 226, 228 are electrically connected to the transmission lines. 110 from the motor control center 100, as shown in the dashed line drawing in Figure 3, and can be blocked when the stroke contacts 224, 226, 228 are in the withdrawn or disconnected position, shown in the solid line drawing in Figure 3 .
    [0041] As shown in Figure 4, the locking set example 300 includes a series of first fasteners 360 (two are shown), which extend through the slots 362 in the third support member 306, through the slots 364 in the second support member 304 and openings 366 in the support 314 and secure the third support member 306 and the second support member 304 with the first support member 302. Slots 362 of the third support member 306 allow it to be movable , as previously discussed. Of course, it will be appreciated that the second support member 304 can also be movable (for example, without limitation, sliding left and right from the perspective of Figures 4 and 5), without departing from the scope of the disclosed concept . It will also be appreciated that any known or suitable number, type and / or configuration of fasteners, in addition to the pair of first 360 fasteners that are shown, could be employed. Likewise, any known or suitable alternative number, type and / or configuration of second fasteners, in addition to the pair of second fasteners 370, which extend through holes 372 of the third support member 306, holes 374 of the second support member 304, holes 376 of support 314, and holes 378 of the first support member 302, for securing the locking assembly 300 with the housing of the motor control center 102 (Figures 3, 6 and 7), could be employed . The movable nature of at least the third support member 306 of the locking assembly 300 allows the holes mentioned above 372, 374, 376, 378 to be aligned to provide access to the fasteners 370, or, alternatively, to restrict the access to them, as desired.
    [0042] In addition to the locking assembly 300, the example subunit, 200 (Figures 3, 6, 7 and 10 to 12) also includes a panel assembly 400, such as a pilot device panel assembly. It will, however, be appreciated that such a panel assembly 400 could be employed in a sub-unit of the motor control center (for example, 200) independently, without requiring the use of the locking assembly 300 mentioned above.
    [0043] More specifically, as best illustrated in Figure 3, the housing 202 of the subunit of the motor control center 200 includes first and second opposite sides or side walls 204, 206. The first side wall 204 includes first and second opposite edges 208, 210 and the second side wall 206 includes first and second opposite ends 212, 214. An axis 216 extends between the first and second side walls 204, 206 and includes a longitudinal axis 218, as shown in Figures 6, 7 and 8. preferably, the first end 220 of the shaft is coupled to the first side wall 204 or around its second end 210, and the second end 222 of the shaft 216 is coupled to the second side wall 206 around the second end 214, as shown in Figure 7. Panel assembly 400 includes panel member 402 and hinge assembly 404 to movably couple panel member 402 to shaft 216, so that panel members 412 are pivotable in around the longitudinal axis 218 of the axis 216, for example, and without limitation, in the direction of arrow 406 of Figure 8, and it can also be moved forward and backward (for example, without limitation, sliding left and right at from the perspective of Figures 6-8) in the direction of arrow 408 of Figures 7 and 8.
    [0044] As noted earlier, the example panel member is a pilot device panel 402, which is positioned behind the cover or port 112 of housing 102, as shown in Figure 12. The pilot device panel 402 is used, for example , without limitation, for circuit control functions such as, for example and without limitation, start, stop, local / remote, forward, reverse, transfer indication, remote reset and the like. Functions can be initiated or provided, for example, in the form of buttons, indicator lights and / or selector keys (not shown in Figures 6-8 for ease of illustration, but see, for example, without limitation, the device panel pilot 402 of Figure 12).
    [0045] As best shown in Figures 9A and 9B, the hinge assembly 404 preferably includes a first hinge element 410 and a second hinge element 412, which is pivotally coupled to the first hinge element 410. The first element hinge 410 is coupled to panel member 402 (Figures 6-8), and the second hinge element 412 is movably arranged on the above axis 216 (Figures 6-8). More specifically, the first hinge element 410 includes a series of first hinge elements 414 (for example, without limitation, hinge barrels) (two first hinge elements 414 are shown in the example hinge assembly 404 not shown here and described). The second hinge element 412 includes a generally planar portion 416, a first protrusion 418 extends outward from the generally planar portion 416, a second protrusion 420 extends outward from the generally planar portion 416 opposite and distal from the first protrusion 418, and a series of second connecting elements 422 (for example, without limitation, articulating barrels structured to cooperate with the corresponding articulating barrels of the first articulating element receiving a pivot pin (not shown)) (three second elements connections 422 are shown in the non-limiting example shown and described here). The second connecting elements 422 of the second hinge elements 412 cooperate with the first connecting elements 414 of the first hinge element 410 to form an articulated joint 424 between them.
    [0046] The second protrusions of the hinge element 418, 420 include openings 426, 428, respectively. Thus, the aforementioned axis 216 extends through opening 426 of the first protrusion 418 and opening 428 of the second protrusion 420, as best shown in Figure 8. This structure allows the panel assembly 400 (Figures 6-8) to move along axis 216 in accordance with the concept disclosed.
    [0047] The example of the hinge assembly 404 further includes a stop member 430, which extends outwardly from the second hinge element 412, as shown in Figures 9A and 9B. Panel member 402 is pivotable between the open position, shown in Figures 7 and 8 (see also the open position of pivot member 404 in Figure 9B), and in the closed position, shown in Figure 6. When panel member 402 it is arranged in the open position (Figures 7 and 8), the stop member 430 does not first attach the hinge element 410 and the panel member 402 is free to rotate around the longitudinal axis 218 (Figures 6-8) of the axis 216 (Figures 6-8). When panel member 402 is disposed in the closed position (Figure 6), stop member 430 secures a portion of the first hinge element 410, as shown in Figure 9A, to interrupt panel member 402 in the closed position. In other words, the stop member 430 serves to secure the first hinge element 410 and / or a part of the panel member 402 to resist the undesirable further rotation of the panel member 402 on the axis 216, as well as to establish the desired closed position, shown in Figure 6.
    [0048] Thus, it will be appreciated that the disclosed panel set 400 simplifies and improves the set and accessibility of subunit 200, providing multidirectional freedom of movement, including, but not limited to, greater articulation of panel member 402, ability to move from panel member 402 fully open, and better configuration, orientation and operation of panel member 402 and hinge assembly 404. Among other benefits, this advantage provides easy access, for example, to the wiring of the pilot device (not shown for ease) illustration) on the back side (for example, the inside side, shown in Figure 7) of the panel of the example pilot device 402. For example, and without limitation, panel assembly 400 is movable both (for example, without limitation, sliding left and right from the perspective of Figures 6-8) in the direction of arrow 408 of Figures 7 and 8 , between the positions shown in the solid line drawing and dashed line drawing in Figure 7, and articulable (for example, without limitation, rotating clockwise and counterclockwise from the perspective of Figures 6-8) around the axis 218 from axis 216 in the direction of arrow 406 in Figure 8.
    [0049] In addition to the locking set 300 and panel set 400 mentioned above, the subunit 200 preferably also includes a disconnect set 500, although it can be appreciated that such disconnect set 500 could be employed independently of the set of locking 300 and / or panel assembly 400, mentioned above.
    [0050] For example, and without limitation, the blow contacts 224, 226, 228 above the subunit of the motor control center 200 are the main electrical contacts for connection with the power lines 110 of the motor control center 100, as shown in the dashed line drawing in Figure 3. The secondary disconnect assembly 500, in a non-limiting example shown in Figures 10-12, serves to electrically connect the first and second electrical connectors 502, 504, as shown in a simplified way in the drawing dashed line in Figure 3 and, in particular, to electrically connect the first and second secondary electrical contacts 506, 608 (Figures 10 and 11) to connect, for example, and without limitation, the power control and communication protocol of the center motor control unit 100.
    [0051] The first electrical connector 502 is preferably coupled to a portion of one of the corresponding compartments 108 of the motor control center housing 102, as shown in simplified form in the dashed line drawing in Figure 3 (also shown in Figures 11 and 12 ). The second electrical connector 504 is coupled to a corresponding side (for example, and without limitation, first wall 204) of the subunit 202 housing, as shown in the simplified form in the dashed line drawing in Figure 3 (also shown in Figures 10-12 ). Thus, the second electrical connector 504 is electrically connected to the first electrical connector 502 when the subunit 200 is disposed within the corresponding compartment 108 of a motor control center housing 102, as shown in the simplified form in the dashed line drawing in Figure 3 ( see also Figure 12). The secondary disconnect assembly 500 is advantageously independent of the drive assembly 230 of the subunit of the motor control center 200, so that the movement of the main electrical contacts 224, 226, 228 with respect to housing 202 does not move the secondary assembly disconnect switch 500.
    [0052] Specifically, as previously discussed, the primary electrical contacts (for example, and without limitation, blow contacts 224, 226, 228) of the subunit of the motor control center 200 are movable between the connected position shown in the line drawing dashed in Figure 3, test position (shown in the solid line drawing in Figure 3), and the withdrawal position. It will be appreciated that the blow contacts 224, 226, 228 are in substantially the same position in both the test and withdrawal positions. When primary electrical contacts 224, 226, 228 are arranged in the on position or test position, the first and second secondary electrical contacts 506, 508 of the first and second electrical connectors 502, 504, respectively, of the secondary disconnect assembly 500 are connected electrically. In particular, in such positions, neither the first electrical connector 502 nor the second electrical connector 504 moves in order to prevent unwanted movements (eg, dragging; slipping) of the first secondary electrical contacts 506 with respect to the secondary electrical contacts 508 In this way, the disclosed secondary disconnect assembly 500 offers the desired electrical connections, without needing a relatively complex secondary disconnection and / or dragging or sliding secondary electrical contacts. The dragging or sliding of the contacts, which occurs in some prior art projects, is known to result from an unreliable electrical connection. It will be appreciated that this is possible due to the independent nature of the secondary disconnect assembly 500 with respect to the mobile drive assembly 230 of subunit 200, as will be better appreciated with reference to Figure 3.
    [0053] In the example shown here, the first secondary electrical contact 506 of the first electrical connector 502 is a plurality of receptacle contacts 506, best shown in Figure 11, and the second secondary electrical contacts 508 of the second electrical connector 504 are a plurality of pin contacts 508, best shown in Figure 10. Thus, when the first electrical connector 502 of the secondary disconnect assembly 500 is electrically connected to the second electrical connector 504 of the secondary disconnect assembly 500, as shown in Figure 12 (also shown simplified in the dashed line drawing in Figure 3), the pin contacts 508 are arranged in the receptacle contacts 506. However, it will be appreciated that any known or suitable alternative number, type and / or configuration of the secondary electrical contacts could be employed, without depart from the scope of application of the concept disclosed.
    [0054] Thus, the disclosed subunit 200 offers a better locking set 300, panel set 400 and / or secondary disconnect set 500, which serve to individually and collectively improve the simplicity and functionality of the motor control center 100 and its subunit 200.
    [0055] While the specific configurations of the disclosed concept have been described in detail, it will be appreciated by those skilled in the art that various modifications and alternatives to these details could be developed in the light of the global teachings of dissemination. Thus, the special regime disclosed is intended to be merely illustrative and not limiting as to the scope of the concept disclosed, which must include the scope of the attached claims and any and any equivalent thereof.
    权利要求:
    Claims (11)
    [0001]
    1. Sub-unit for a motor control center, such a motor control center (100) includes a housing (102) having an exterior (104), an interior (106) and a series of compartments (108) arranged inside ( 106), a plurality of power lines (110), and a series of covers (112) to cover the compartments (108), such subunit (200) being characterized by the fact that it comprises: - a structured housing (202) to be removably disposed within one of the corresponding compartments (108) of said housing (102); - a plurality of electrical contacts (224, 226, 228) movably coupled to such a housing (202); - a drive assembly (230) structured to move such electrical contacts (224, 226, 228) between a first position corresponding to such electrical contacts (224, 226, 228) being electrically connected to said power lines (110) of said motor control center (100), and a second position corresponding to such electrical contacts (224, 226, 228), not being electrically connected to said power lines (110); and - a locking assembly (300) for locking the position of such electrical contacts (224, 226, 228), said locking assembly (300) comprising a plurality of support members (302, 304, 306), at least some of the aforementioned support members (302, 306) including a plurality of openings (334, 336, 338, 340, 342), where, when said locking set (300) is blocked, said locking set (300 ) restricts access to this drive assembly (230) and prevents one of the corresponding covers from the said motor control center from being opened, and when the aforementioned electrical contacts (224, 226, 228) are in said first position and when said electrical contacts (224, 226, 228) are in said second position, a series of said openings (334, 336, 338, 340, 342) of said support members (302, 306) aligns to receive an element of locking (350) through them to block said locking set (3 00).
    [0002]
    2. Subunit, according to claim 1, characterized by the fact that when the aforementioned electrical contacts (224, 226, 228) are arranged in said first position and said locking set (300) is blocked, said locking set (300 ) be structured to block one of said corresponding covers (112) of said housing (102) of said motor control center (100) to restrict access to said subunit (200) from the outside (104) of said housing (102) ).
    [0003]
    3. Subunit, according to claim 1, characterized by the fact that said drive set (230) comprises a set of contact isolator (232); whereas, when the aforementioned electrical contacts (224, 226, 228) are in the aforementioned second position, the aforementioned contact isolator set (232) is structured to isolate said electrical contacts (224, 226, 228) from said lines of energy (110) of said motor control center (100), and, when said electrical contacts (224, 226, 228) are arranged in said second position and said locking set (300) is blocked, said locking set (300) locks said isolator assembly (232) and said subunit (200) is accessible from the outside (104) of said enclosure (102) mentioned motor control center (100).
    [0004]
    4. Subunit according to claim 1, characterized in that said locking set (300) further comprises: - a support (314) comprising a first end (316), a second end (318) disposed in an opposite way and distal end of the first end (316), and an access hole (320) disposed between the first end (316) and the second end (318), each of the aforementioned support members (302, 304, 306) further including an access hole (308, 310, 312), at least one of said support members (306) being movable with respect to said support (314) to align through said access hole (308, 310, 312) of each of said support member (302, 304, 306) with said access hole (320) of said support (314), and where, when said access holes (308, 310, 312) are aligned with said access hole (320), said access hole (320) is structured to provide access to said set of actuation (230) of said subunit (200) through a corresponding one of the mentioned covers (112) of said enclosure (102).
    [0005]
    5. Subunit, according to claim 4, characterized by the fact that said support (314) still comprises a first side (322) and a second side (324) disposed in front of the first side (322); the first side (322) being structured to be in front of the aforementioned casing (102) of the said motor control center (100); said plurality of support members being a first support member (302), a second support member (304), and a third support member (306); said first support member (302) being structured to be disposed on the first side (322) of said support (314) between such support (314) and such housing (102); said second support member (304) is structured to be coupled to the second side (324) of said support (314) between said support (314) and said third support member (306), and said said support third support member (306) is movably coupled to said second support member (304).
    [0006]
    6. Subunit according to claim 5, characterized in that said support (314) further includes an elongated groove (326) extending from the first side (322) of said support (314) to the second side (324) of said support (314) between the first end (316) of said support (314) and the second end (318) of said support (314); said first support member (302) including a perpendicular flange (330), and said perpendicular flange (330) of said first support member (302) extends through said elongated opening (326) and externally from the second side (324) of said support (314).
    [0007]
    7. Subunit according to claim 6, characterized in that said third support member (306) includes a perpendicular flange (332); the said perpendicular flange (330) of said first support member (302) includes a series of said openings (334, 336, 338); said perpendicular flange (332) of said third support member (306) includes a series of said openings (340,342); said perpendicular flange (330) of said first support member (302), at least partially, overlapping said perpendicular flange (332) of said third support member (306); said third support member (306) being movable between a number of positions to align at least one of said openings (342) of said third support member (306) with at least one of said corresponding openings (336) of said first support member (302); and whereas, when at least one of said openings (342) of said third support member (306) is aligned with at least one of said corresponding openings (336) of said first support member (302), said locking element (350) is received through said aligned holes (336, 342) of said first support member (302) and said third support member (306) to lock said locking set (300).
    [0008]
    8. Subunit, according to claim 5, characterized by the fact that said locking set (300) also includes a number of fastening elements (360); said fixing elements (360) extending through said third support member (306), said second support member (304) and said support (314) to secure said third support member (306) and said second support member (304) to said first support member (302); said third support member (306) having a number of positions (362), and each of said fixing elements (360) extending through one of said corresponding slots (362) so that said third support member (306) is mobile.
    [0009]
    9. Motor control center, characterized by the fact that it comprises: - a housing (102) having an exterior (104) and an interior (106); - a series of compartments (108) arranged inside (106); - a plurality of power lines (110); - a series of covers (112) to cover the compartments (108); and - at least one subunit for a motor control center (200), as defined in claim 1.
    [0010]
    Motor control center according to claim 9, characterized in that said housing (202) of at least one subunit (200) includes a first side wall (204), a second side wall (206) arranged opposite and distal shape of said first side wall (204), and an axis (216) extending between said first side wall (204) and said second side wall (206); said axis (216) including a longitudinal axis (218); said panel assembly (400) including a panel member (402) and a hinge assembly (404) movably coupling said panel member (402) with said axis (216); said panel member (402) being pivotable about the longitudinal axis (218) of said axis (216), in order to rotate with respect to said housing (202), and said panel member (402) ) is displaceable along the longitudinal axis (218) of said axis (216) to move back and forth with respect to said housing (202).
    [0011]
    11. Motor control center, according to claim 9, characterized in that said casing (202) of said at least one subunit (200) includes a first side (204) and a second side (206) arranged in such a way opposite and distal to the first side (204), with the aforementioned electrical contacts of at least one of the aforementioned subunits (200) being primary electrical contacts (224, 226, 228); said secondary disconnect assembly (500) of said at least one subunit (200) includes a first electrical connector (502) and a second electrical connector (504); said first electrical connector (502) being coupled to a portion of one of said corresponding compartments (108) of said housing (102) of said motor control center (100); said second electrical connector (504) being coupled to said corresponding first side (204) of said housing (202) of said minus one subunit (200) and the second side (206) of said housing (202) of said at least one subunit (200); said second electrical connector (504) being electrically connected to the first said electrical connector (502) when said at least one subunit (200) is disposed within one of said corresponding compartments (108) of said housing (102) of said motor control center (100), and the said secondary disconnection set (500) is independent of said drive set (230), so that the movement of said primary electrical contacts (224, 226, 228) with respect to said housing (202) does not move said secondary disconnect assembly (500).
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    同族专利:
    公开号 | 公开日
    CN102725918B|2015-04-08|
    US20110149480A1|2011-06-23|
    CA2769895C|2017-10-31|
    CN102725918A|2012-10-10|
    CA2979266C|2020-04-07|
    BR112012002430A2|2020-08-18|
    US8243422B2|2012-08-14|
    CA2979266A1|2011-02-10|
    US20110032663A1|2011-02-10|
    WO2011015943A2|2011-02-10|
    CL2010000839A1|2011-05-06|
    EP2462666A2|2012-06-13|
    MX2012001517A|2012-03-28|
    CA2769895A1|2011-02-10|
    US20110149479A1|2011-06-23|
    EP2462666B1|2020-05-27|
    US8248761B2|2012-08-21|
    WO2011015943A3|2012-09-07|
    US7965493B2|2011-06-21|
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    法律状态:
    2020-08-25| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-12-08| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-02-23| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 23/02/2021, OBSERVADAS AS CONDICOES LEGAIS. |
    2021-05-11| B25G| Requested change of headquarter approved|Owner name: EATON CORPORATION (US) |
    2021-06-01| B25A| Requested transfer of rights approved|Owner name: EATON INTELLIGENT POWER LIMITED (IE) |
    优先权:
    申请号 | 申请日 | 专利标题
    US12/535,763|US7965493B2|2009-08-05|2009-08-05|Motor control center and subunit therefor|
    US12/535,763|2009-08-05|
    PCT/IB2010/001947|WO2011015943A2|2009-08-05|2010-08-04|Motor control center and subunit therefor|
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