• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An insulating cover for insulating a bus bar (105) extending along a longitudinal direction (Z) comprises a body (110), at least one spacer (120) and a closure portion (130). The body (110) has an opening (116) and an inner area (118) for receiving the busbars (105), wherein the body (110) and the opening (116) extend along the longitudinal direction (Z) and are formed, to receive the bus bar (105) by being inserted through the opening (116) so that the body (110) at least partially surrounds the bus bar (105) on at least three sides. The at least one spacer (120) is designed to hold the bus bar (105) at least in sections at a distance (d) from the body (110). The closure portion (130) is formed at the opening (116) of the body (110) and holds the bus bar (105) after insertion into the inner region (118), wherein at least the body (110) and the closure portion (130) isolate of the material in order to form along the longitudinal alignment (Z) an at least partially insulating cover for the busbar (105).
    公开号:AT514634A2
    申请号:T605/2014
    申请日:2014-07-30
    公开日:2015-02-15
    发明作者:
    申请人:Klaus Bruchmann Gmbh；
    IPC主号:
    专利说明:

    Insulating cover for a busbar
    The present invention relates to an insulating cover for insulating a bus bar extending along a longitudinal direction.
    description
    Busbars (busbars) are used to connect multiple loads to a power supply, with individual loads contacting the busbar at various positions along a longitudinal span for powering. Between the individual contacts of the plurality of consumers, the busbar is exposed and it is necessary for safety reasons to cover these electrically insulating, so as to ensure contact protection. For this purpose, an insulating cover (rail protection cover) is used.
    In order to flexibly and quickly attach such an insulating cover to an existing busbar, there is also a need to secure the busbar cover as simply and reliably as possible to the busbar. At the same time a touch protection for a user should be ensured, so that unintentional touching the insulating cover does not lead to a power contact for the user.
    It is therefore an object of the present invention to provide an insulating cover for insulating a bus bar, which provides a fast, secure and flexible insulation for a busbar.
    This object is achieved by an insulating cover according to claim 1. Claims 2 to 13 relate to advantageous embodiments of the subject matter of claim 1.
    According to the present invention, an insulating cover for insulating a bus bar extending along a longitudinal direction comprises a body, at least one spacer, and a closure portion. The body has an opening and an inner portion for receiving the bus bar, wherein the body and the opening extend along the longitudinal direction and are formed to the bus bar by a
    To be inserted through the opening so that the body at least partially encloses the busbar on at least three sides. The at least one spacer is designed to hold the busbar at least in sections at a distance from the body. The closure portion is formed at the opening of the body and holds the bus bar after being inserted in the inner region, wherein at least the body and the closure portion comprise an insulating material to form an at least partially insulating cover for the bus bar along the longitudinal orientation.
    In further embodiments, the bus bar may have a rectangular cross section with a short transverse extension and a long transverse extension, and the body may have a substantially U-shaped cross section. The substantially U-shaped cross-section may have a first tapered portion opposite the opening and / or a second tapered portion at the opening. The first tapered section is designed, for example, in order to taper the inner area in an insertion direction to a first inner extent. The second tapered section is designed, for example, to taper the interior area opposite to the direction of insertion to a second internal extent.
    For example, the first and second tapered portions may be formed as a waisted portion or area. The term U-shaped cross-section is to be interpreted broadly in the present application and refers to all one-piece shapes of the cross-section for the body which have an opening only in a cross-sectional direction, i. in which at least two opposite sides and a side of the body connecting the opposite side at least partially surround the busbar contiguously. In particular, a U-shaped cross-section should also include a form in which the long, opposite sides are not straight, but have, for example, recesses or projections (such as the first and second tapered sections) or are formed in a wave-like manner.
    The first and second tapered portions offer the advantage that a rectangular-shaped rail can be held by the first and second tapered portions at two opposite end points (in the cross-sectional view). Thus, a secure fixation of the rail in the inner region of the body is made possible. For example, can be provided by gegenüberlie ing sides of the long transverse extent of the busbar by the tapered sections, so that even if the body has a flexible material, the tapered portions still fix the busbar despite deformation of the body in the interior.
    In further embodiments, optionally, the first inner extent and / or the second inner extent are substantially equal to the short transverse dimension (ie, equal length) to the bus bar after insertion into the inner portion perpendicular to the insertion direction (and perpendicular to the longitudinal direction). to give a stop.
    This embodiment offers the advantage that the bus bar in the first tapered portion and the second tapered portion can be firmly held in the interior by direct contact with the body. Advantageously, the first inner extent and / or the second inner extent can be chosen to be slightly smaller than the short transverse extent of the busbar so that the body is seated on the busbar when the busbar is inserted under tension. Thus, a displacement of the insulating cover along the longitudinal direction is avoided or at least made more difficult.
    In further embodiments, optionally, the at least one spacer is formed as at least one rib (or rib structure) between the first tapered portion and the second tapered portion to form an air cavity between the inserted bus bar and the body, the at least one rib at least partially extends along the longitudinal direction.
    This embodiment has the advantage that the rib-shaped spacers can provide the largest possible air space between the bus bar and the body, so as to prevent, for example, heat ester form between the busbar and the body. The heating is limited for example by the convection in the air gap or by the insulating effect of the air gap, so that even a heating busbar (for example, due to a high power consumption of consumers) can not lead to overheating of the material of the body.
    In further embodiments, the at least one rib may have variable flexibility (flexibility) along its extension away from the body. For example, if the rib is attached to or integrally formed with the body, the stiffness (or flexibility) of the rib may decrease or increase with increasing distance from the body.
    For example, flexibly configured ribs offer the advantage that the restoring force created by deflection of the ribs during insertion of the busbar results in the body being pushed away from the busbar so that the air gap is maximized so as to provide better thermal coupling of the different ones To reach sections along the busbar or to promote convection.
    Therefore, in other embodiments, the at least one spacer may comprise an elastic material and may be configured to elastically deform upon insertion of the bus bar to thereby push the body away from the bus bar.
    In further embodiments, it is also possible that the at least one spacer is formed to allow insertion of the busbar without deformation of the at least one spacer. In this case, i. If the spacer or the rib does not warp or deform during the insertion of the busbar, increased stability with regard to the fixation of the busbar perpendicular to the insertion direction or the body surface (for example in the direction of the short extension in the case of a rectangular busbar) can be achieved.
    In further embodiments, the at least one spacer may include at least a first spacer and at least one second spacer, wherein the at least one first spacer and the at least one second spacer are disposed on opposite inner sides of the body and configured to substantially substantially secure the bus bar after insertion only by the at least one first spacer and the at least one second spacer to hold. In this case, for example, the tapered sections are not required or are not used as a stop.
    This embodiment has the advantage that the busbar symmetrically on both sides equally has the largest possible air cavity and the busbar is contacted directly at as few points. Thus, this embodiment provides the largest possible air cushion between the body and the
    Busbar, so in turn to prevent the formation of hot spots or to suppress as much as possible.
    In further embodiments, the closure portion may have, in a cross-section with respect to the longitudinal direction, at least one V-shaped portion having a tip and two legs extending from the tip. The V-shaped portion may be oriented such that one of the two legs is attached to the body, the tip faces away from the interior, and the other of the two legs is configured to fix the bus bar in the interior with respect to the direction of insertion.
    Advantageously, this embodiment allows a simpler insertion of the bus bar in the body. In this case, for example, the one or more legs that are not directly connected to the body (ie, the one or more free legs), be designed so that when inserting the busbar in the insulating a spreading force exerted on the body, for example by the free leg one Sliding surface for the busbars when pushing in and pushed apart when pushed.
    In further embodiments, the closure portion may comprise, in a cross-section with respect to the longitudinal direction, two V-shaped portions each having a tip and two legs each extending from the respective tip. Each one tip of the two V-shaped portions is / are optionally aligned in a direction perpendicular to the insertion direction (and the legs away from each other). In each case one of the two legs can in turn be connected to the body and defines the fixed leg.
    This embodiment offers the advantage that at least one leg, which is directly connected to the body, may be formed (nearly) parallel to the short transverse extent of the busbar. Since the trained parallel to the short transverse extension one leg (fixed leg) can prevent any movement against the one insertion direction, the busbar can not move independently after insertion of the busbar in the insulating cover against the insertion direction. Optionally, for example, a bias can be provided by the fixed leg in the insertion direction, so as to improve the grip.
    In further embodiments, the closure portion may be formed to close the opening after insertion of the bus bar such that inadvertent contact of the bus bar by a user is prevented. The inadvertent contact of the busbar by a user should be avoided in any case, since only this way a secure insulation of the busbar is made possible. This can advantageously be done, for example, by selecting the materials of the body or of the closure section such that a simple opening of the opening after insertion of the busbar is not possible, and that the busbar can only be opened after an intentional pushing apart of the closure sections For example, to allow removal of the busbar.
    In further embodiments, the body and / or the at least one spacer and / or the closure portion may be formed in one piece, so that the entire insulating cover can be produced in a section, for example in an injection molding process.
    The invention will be described in more detail below with reference to the accompanying drawings, in which:
    Fig. 1 shows a cross-sectional view of the insulating cover according to an embodiment of the present invention;
    Fig. 2 is a perspective view of the insulating rail with the insulating cover applied;
    Fig. 3 shows a cross-sectional view of the insulating cover according to embodiments without an inserted busbar;
    4 shows a cross-sectional view of the insulating cover with a closure portion according to another embodiment of the present invention;
    Fig. 5 is a cross-sectional view of the insulating cover according to another embodiment of a bus bar of reduced thickness;
    Fig. 6 is a perspective view of the bus bar shown in Fig. 5 with an insulating cover; and
    Figures 7A, 7B are cross-sectional views illustrating the insertion of the bus bar into the insulating cover of the present invention.
    In the following description of the figures, similar or identical elements are denoted by the same or the same reference symbols, a repeated description of such elements being dispensed with.
    Fig. 1 shows an insulating cover for receiving a along a longitudinal direction Z (perpendicular to the plane) extending busbar 105 according to exemplary embodiments of the present invention. The insulating cover has a body 110 with an opening 116 and an inner area 118, wherein the inner area 118 (interior) is formed to receive the bus bar 105. The body 110 and the aperture 116 extend along the longitudinal direction Z and are configured to receive the bus bar 105 by insertion through the aperture 116 such that the body 110 encloses the bus bar 105 on at least three sides (wholly or partially). The insertion takes place along an insertion direction R which points from an outer space through the opening 116 into the inner area 118.
    The insulating cover further comprises at least one spacer 120, which is designed to hold the busbar 105 at least in sections from the body 110 at a distance d. In addition, the insulating cover has a closure portion 130 which is formed on the opening 116 of the body 110 and the busbar 105 holds after insertion in the inner region 118. The body 110 and / or the closure section 130 and / or the at least one spacer 120 have an electrically insulating material in order to form an at least partially insulating cover for the busbar 105 along the longitudinal direction Z.
    The embodiment as shown in FIG. 1 further includes a first tapered portion 112 for the body 110 and a second tapered portion 114 for the body 110, wherein the first tapered portion 112 and the second tapered portion 114 are mutually opposed lying opposite in the interior 118 are formed. The second tapered portion 114 is followed by the opening 116 of the cavity. In addition, in the embodiment, as shown in Fig. 1, a total of four spacers 120 are formed, of which on each side of the bus bar 105 each have two spacers 120 are formed, which press the body 110 due to their elasticity to the outside, so cavities between the body 110 and the bus bar 105 trainees.
    The elements, as shown in the cross-sectional view of FIG. 1, extend at least partially along the busbar 105 in the longitudinal direction Z (perpendicular to the plane of the drawing), so that the spacers 120 can also be formed as ribs or as a spacer structure. The inner space 118 has further openings along the longitudinal direction Z, from which the busbar 105 can protrude (but not necessarily) in order to provide an electrical connection for a further consumer.
    Fig. 2 shows a space view of the insulating cover when it is disposed on the bus bar 105 and protrudes at least on the one side along the longitudinal direction Z, for example, to provide an electrical connection for a consumer. The insulating cover is placed, for example, on the busbar 105 by pushing against the Y direction.
    For example, the bus bar 105 may have a rectangular cross-section (transverse to the longitudinal direction Z), the rectangular cross-section having a short transverse dimension DX along the X-axis and a long transverse extent DY along the Y-axis and the aperture 116 along the inner region 118 along the long axis Transverse expansion Y opens. In further embodiments, the bus bar 105 may also have other cross-sectional areas, such as a general quadrangular shape or an oval or round shape. Optionally, the bus bar 105 may also be trapezoidal in that the short transverse dimension DX on one side of the long transverse dimension DY is shorter than on the other, opposite side of the long transverse extent DY. In such an embodiment, it may be further advantageous if the first tapered portion 112 and the second tapered portion 114 are adapted to accommodate the various short transverse dimensions of the bus bar 105.
    3 shows a cross-sectional view of the insulating cover according to an embodiment in which the bus bar 105 has not been inserted into the insulating cover. Therefore, the embodiment shown in Fig. 3 differs from the embodiment shown in Fig. 1 only in that the bus bar 105 has been removed, so that the spacers 120, which for example comprise an elastic or flexible material, deforms back to an original shape and thus extending from the body 110 to its end in a depth dO. For example, first spacers 120 a are formed on a first inner side 110 a of the body 110 and second spacers 120 b are formed on a second inner side 110 b, wherein the first and second inner sides 110 a, b are formed opposite to each other in the inner region 118. In addition, the body 110 has the first tapered portion 112, the second tapered portion 114, and a diffused portion 113 that merges into the first tapered portion 112 and the second tapered portion 114 on both sides (with respect to the insertion direction R).
    The variable flexibility (flexibility or stiffness) may be achieved, for example, by ribs having a variable thickness along their extent from their coupling to the body 110 towards its inner-end end 118. It is also possible that the ribs have reinforcements formed at predetermined positions along the longitudinal direction. In further embodiments, it is also possible that the ribs comprise a material which is not homogeneous, but that the variable flexibility is achieved for example by a variable composition of the fin material, so that the flexibility of the rib is a function of the distance from the contact on the body 110 is. For example, the region furthest from body 110 may be more flexible than the region near body 110.
    Furthermore, advantageously, the ribs can extend along the longitudinal direction Z such that air channels are formed along the longitudinal direction Z, so that thermal equalization / replacement of the air at different regions along the longitudinal direction Z prevents thermal overheating of a specific section along the longitudinal direction Z can be suppressed.
    The first tapered portion 112 has a first inner extent LI and the second tapered portion 114 has a second inner dimension L2, wherein the first and second inner dimensions LI, L2 may be defined, for example, as an inner extent in the inner region of the cross-sectional view as measured against a Place, where the inner extent in the insertion direction barely or only slightly changes (eg, where the tangent plane to the body 110 is parallel to the insertion direction). The first inner extent LI is, for example, equal to the second inner extent L2, so that, if the busbar 105 likewise has the same extent along the short transverse dimension DX as the inner dimensions of the tapered portions, a fixed support of the busbar 105 in the body 110 is made possible. In the embodiment, as shown in FIG. 3, since the spacers 120 (again exemplified by four ribs) extend into a region in which the bus bar 105 is located after insertion in the body 110, When inserting the busbar 105, bending (deformation) of the spacers 120 occurs, so that they assume the shape after insertion, as shown in FIG. Due to the deformation in the insertion direction R of the bus bar 105, a force is exerted on the body 110, which pushes the body 110 away from the bus bar 105, thus ensuring an air gap all the time.
    Another advantage of the tapered portions 112, 114 is the natural reinforcing effect of such a structure because the taper has a portion that is non-planar with the outer wall of the body 110 at the widened portion 113 and thus provides stiffening if the outer wall is deformed.
    Further, in the embodiment of FIG. 3, the shutter portion 130 has two V-shaped portions 131 a and 131 b, each of the V-shaped portions 131 a, 131 b having a tip 132 a, 132 b respectively facing away from the inner space 118. In addition, the V-shaped portions 131 each have a (fixed) leg 133a, 133b connected to the body 110 and a further (free) leg 134a and 134b, respectively, between which the opening 116 is located. Advantageously, the free legs 134 are formed to close the opening 116 so far that inadvertent contact of a user with an inserted bus bar 105 is prevented. For example, the fixed legs 133 may be formed parallel to the insertion direction R and the free legs 134 may be inclined to the direction of insertion R that touch end points of the free legs or leave only a gap, which prevents the touching of the busbar 105 by the user. The gap can be chosen, for example, smaller than 3 mm or between 0 mm and 1 mm.
    Another advantage of this embodiment is that the free leg, which is not directly connected to the body 110, can be used to provide fixation of the bus bar 105 after insertion into the interior 118. This can be achieved, for example, by the fact that the endpoints of the two free
    Legs are in direct contact with the busbar 105 after insertion, so as to prevent sliding out of the busbar 105. This may optionally be improved by virtue of the fact that, even if a restoring force of the bus bar 105 is exerted counter to the insertion direction, the two free legs 134 bend outwards (so that the leg angle at the tip increases). However, at the latest, however, after a right angle has formed, a further reinforced restoring force is generated by the legs, in order to prevent further sliding out of the busbar 105. Advantageously, in this case the two free legs can each be inclined inward at their end points (that is to say in the direction of the fixed legs 133 which are fixed to the body 110). Thus, it is possible that the opening 116 is largely closed after inserting the busbar 105 and the busbar 105 is seated perpendicular to the end of the free leg.
    4 shows a cross-sectional view of a further embodiment, which differs from the embodiment shown in FIG. 3 in that the closure section 130 is designed differently. In the embodiment shown in Fig. 4, the closure portion 130 also has two V-shaped portions 131a, 131b, each having a tip 132a, 132b and also each having a (solid) leg 133a, 133b, which is integral with the body 110, and a further (free) leg 134a, 134b, which is pushed apart during insertion of the busbar 105 through the busbar 105, so as to allow the insertion of the busbar 105.
    In addition, the V-shaped portions 131a, b each have a tip 132a, 132b. In the embodiment shown in FIG. 4, the tips 132 are aligned with each other such that the fixed legs 133a, 133b define the interior space 118 at the opening 116 and point the free legs 134a, 134b away from the interior space 118. For example, a surface normal of the fixed legs 133 at least partially points into the inner area 118, while the surface normal of the free legs does not point into the inner area 118. At least one of the two fixed legs 133b may, for example, extend parallel to the short transverse extension DX of the busbar so that the busbar 105 is firmly fixed in the inner area 118 after insertion by the one fixed leg 133b and can not move counter to the insertion direction. Optionally, this one solid leg 133b may extend to a mid-plane M (or wider) so that it can support at least one half bus bar 105 with respect to the short transverse extent DX (i.e., along the x-direction).
    The V-shaped sections 131 may for example be formed such that the busbar 105 can only be removed from the insulating cover when the two free legs 132 of the V-shaped legs 131 are pressed apart. This embodiment offers the advantage that the bus bar 105 is firmly fixed with respect to the insertion direction R in any case compared to the embodiment previously shown. In further embodiments, one of the fixed legs 133b need not be formed parallel to the short transverse direction DX of the busbar 105, but may also be arcuate, so that a contact of the busbar 105 takes place only at one point of the busbar 105.
    Another advantage of the embodiment, as shown in FIG. 4, is that easy disassembly of the insulating cover from the bus bar 105 is possible. For example, only the free leg 134b needs to be pushed away from the opening 116 to allow the rail 105 to move along the fixed leg 133a of the first V-shaped portion 131a so as to come out of the inner area 118. In particular, the fixed leg 133a and / or the free leg 134a of the first V-shaped portion 131a need not be moved during disassembly (relative to the body 110 and the bus bar 105, respectively). Instead, only the second V-shaped portion 131b needs to be moved relative to the inserted bus bar 105, thereby allowing easy removal of the insulating cover from the bus bar 105. Advantageously, the solid leg 133a of the first V-shaped portion 131a is at an angle of 30 to 60 degrees (or approximately 45 degrees) relative to the median plane M (or relative to the first or second inner side 110a, b, see FIG. 3) attached to the body 110.
    All other features in the embodiment shown in FIG. 4 are similar to the embodiment shown in FIG. 3, wherein in FIG. 4 only the bus bar 105 has been used to show that the spacers 120 are in the insertion of the Deform busbar 105 accordingly, since the depth dO of the spacers 120 (see Fig. 3) extend into that region of the inner space 118 in which the busbar 105 is located after the insertion.
    5 shows a further exemplary embodiment of the present invention, in which the V-shaped sections 131, as shown in FIG. 3, are again used as closure section 130, so that a renewed description can be dispensed with here. In the embodiment shown in FIG. 5, however, the first tapered portion 112 and the second tapered portion 114 are formed such that the first inner dimension LI and the second inner dimension L2 are each larger than the shorter transverse dimension DX of the bus bar 105, so that the bus bar 105 may be held by the spacers 120 after being inserted into the insulating cover such that they do not come into contact with the first tapered portion 112 and / or with the second tapered portion 114.
    In the embodiment shown in FIG. 5, the spacers 120 are further formed to allow insertion of the bus bar 105 without deforming the spacers 120, so that undeformed spacers 120 can hold the bus bar 105 in the desired position. This offers the advantage that the bus bar 105 can be held securely even by thinner spacers 120, since the spacers extending perpendicularly from the surface of the bus bar offer greater lateral support than spacers which are already bent. Thus, the non-existing support can be compensated by the tapered portions 112, 114 of the embodiment of FIG. 4 in that vertical spacers 120 allow a firm hold of the bus bar 105 along the short cross-sectional direction DX. In addition, if the spacers 120 are not bent when the bus bar 105 is inserted, the spacers 120 (or ribs) may be formed with a smaller thickness because perpendicularly protruding ribs or spacers 120 suppress deformation in the vertical direction. In addition, the contact area of the spacers 120 with the bus bar 105 is minimized while maximizing air entrainment. In further embodiments, it is also possible that the ribs along the longitudinal direction Z are not rectilinear, but may also have a waveform, thereby affecting the deformation of the spacers 120 accordingly.
    As in the embodiments of FIGS. 2 to 4, the embodiment of FIG. 5 on each side of the exemplary rectangular cross section of the power rail 105 each have two spacers 120, wherein in other embodiments, the number of spacers 120 can be changed.
    In addition, in further embodiments, the spacers 120 as shown in FIG. 5 may be combined with the spacers 120 as shown, for example, in FIG. 3, such that a portion of the spacers 120 will engage upon insertion of the bus bar 105 deform and another portion of the spacers 120 do not deform at the onset of the busbar 105. This ensures that the insulating cover can be used flexibly for different bus bars 105 with different thicknesses.
    Fig. 6 shows a space view of the insulating cover after it has been placed on the bus bar 105 with reduced short transverse extent DX, as shown for example in FIG. Thus, in this embodiment, the bus bar 105 is held solely by the spacers 120, so that the contact surface can be minimized to the busbar 105 and at the same time the largest possible air gap. Optionally, it is further possible to utilize the flexible flexibility of the spacers 120 to insert bus bars 105 of greater thickness DX while still providing a firm hold for the various bus bars 105.
    As is apparent from Fig. 6, the bus bar 105 extends along the longitudinal direction Z and protrudes on one side out of the insulating cover. This allows a contact of the busbar 105 by a consumer. The length of the busbar 105 along the longitudinal direction Z of the busbar 105 can be selected flexibly, and can be cut to size according to the needs, for example.
    FIGS. 7A, 7B show insertion of the bus bar 105 into the inner space 118 of the insulating cover.
    In Fig. 7A, the state is shown when the bus bar 105 is not yet inserted in the insulating cover. The bus bar 105 shown in FIG. 7A again has an exemplary rectangular cross-section with respect to the longitudinal direction Z, wherein the extension of the bus bar 105 along the short transverse dimension (x-direction) is equal to DX and the transverse dimension along the long longitudinal direction (y-direction ) is equal to DY. The insulating cover as shown in FIG. 7A is identical to the insulating cover as shown in FIG. 5, for example, in the example embodiment of FIG. 7A, opposed spacers 120 are spaced apart from each other and into the insulating cover Conductor rail 105 is used, which has a greater transverse extent DX than the distance L3 of the two opposing spacers 120. The inner space 118 in the insulating cover, for example, selected such that a longitudinal extent L4 of the inner space 118 of the first tapered portion 112 to the closure portion 130th almost equal is the long transverse extension DY.
    Fig. 7B shows the process of inserting the bus bar 105 into the insulating cover, wherein the body 110 deforms upon insertion. The pressing apart of the insulating cover is caused by an outward force, which results from the insertion of the busbar 105 when touching the V-shaped closure portions 130 which are pressed apart during insertion. The material of the insulating cover, for example, chosen such that on the one hand, the insertion of the busbar 105 is easily possible, on the other hand, however, a firm grip is ensured and a simple pushing down of the insulating cover after the insertion of the busbar 105 is not possible. For example, the body 110 has a material so that it can be spread by a predetermined force.
    For example, the shutter portions 130 may be formed so as not to be deformed upon insertion of the bus bars 105, so that only the body 110 deforms (for example, on an opposite side of the opening 116) so as to widen the opening 116 and leave enough room for To provide the bus bar 105 can be used (see Fig. 7B).
    In further embodiments, it is also possible that the at least one V-shaped section deforms itself when inserting the busbar 105, for example, in that at the tip 132 between the two legs of the V-shaped section 131, the closure section 130 is compressed, so that an enlargement of the opening 116 also forms with it. After inserting the bus bar 105, the two free legs 134 can move back to the opening 116 in the original position, thereby closing the opening 116.
    In further embodiments, the insulating cover is integrally formed (as shown in the figures, for example), wherein the body 110, the spacers 120 and the closure portion 130 each form different portions of a one-piece insulating cover. Furthermore, in further exemplary embodiments, all the features of the insulating cover can have the same material (for example polyamide), which can be bent in whole or in part or in sections.
    An inadvertent contact of the busbar 105 by a user should be avoided in any case, since only then an insulation of the busbar 105 is made possible. This can advantageously be done by the materials of the body 110 and the closure portion 130 are selected so that a simple opening of the opening 116 after insertion of the busbar 105 is not possible, and that the busbar 105 only after an intentional pushing apart of the closure portions 130th can be opened to allow, for example, a removal of the busbar 105.
    This can be achieved, for example, by virtue of the fact that the two V-shaped closure sections 130 make direct contact with the one leg when no force is exerted so that they close themselves so far that the user can not contact the busbar 105. In the embodiment of the two oppositely-formed V-shaped portions 131, this can be achieved, for example, in that the V-shaped portions 131 at least partially overlap, and also in a state in which no force is applied, touch each other and only when the user exerts an intended force on the closure portions 130, a contact of the busbar 105 is possible.
    In further exemplary embodiments, it is also possible that the outer surface of the insulating cover is not smooth or flat, but has a corrugation or is wave-shaped.
    The first and the second tapered portion 112, 114 may be formed in further exemplary embodiments also such that at this position, a further spacer 120 is located, for example, provides a stronger fixation along the short transverse dimension DX (X direction) and so the same Function, such as the first or second tapered portion 112, 114. Thus, for example, the first tapered portion 112 and the second tapered portion 114 may be replaced by a particular spacer 120, and the body 110 may instead be formed homogeneously.
    In further embodiments, it is also possible to form the spacers 120 and the ribs, respectively, such that bus bars 105 having a different thickness with respect to the short transverse dimension DX can be inserted, so that, for example, when a thicker bus bar 105 is used, a part of the ribs deform while no deformation or only a smaller deformation of the ribs or spacers 120 occurs when inserting a thinner busbar 105. Thus, advantageously, the stiffness or variable flexibility of the spacers 120 may be used to flexibly utilize the insulating cover for bus bars 105 of different thickness.
    Embodiments of the present invention thus have the following advantages. The protective cover (insulating cover) can be mounted by simply sliding over the exposed portions of the bus bar 105, without the insulating cover must be assembled or assembled. In addition, the spacers 120 offer the advantage that the bus bar 105 in the inner region 118 of the insulating cover has a tight fit and the insulating cover for different thicknesses of the bus bars 105 is available. The inventively designed closure portion 130 also offers the advantage that after the insertion of the busbar 105 in the inner region 118, the closure portion 130 closes automatically and due to residual stresses of the body 110 inadvertent contact of the busbar 105 is prevented by a user. The spacers 120 are preferably formed such that a cavity is formed between the bus bar 105 and the body 110, which prevents possible heat convalescence by a possible convection or due to the thermal insulation of the air. Thus, overheating of the bus bar 105 or the insulating cover can be prevented.
    The busbars 105 may, for example, have a thickness of 3 mm to 20 mm (or about 5 mm or about 10 mm or between 5 mm and 10 mm). In addition, a current flows through the bus bar 105, for example, at a voltage of less than 1000 V (that is, in the low voltage range or, for example, between 400 and 700 V). As a material for the insulating cover, for example, polyamide is possible. Other materials consist of a two-component joint, which is chosen such that the desired flexibility of the insulating cover when inserting or when placed on the busbar 105 is achieved.
    In particular, the spacer 120 may comprise a flexible material, so that it can be easily deformed when inserting the busbar 105 and so the insertion is facilitated. For example, the flexibility (e.g., the ability to bend) along the extent of the spacer 120 from the body 110 can be homogeneously equal or uniform or step-wise. For example, a smooth or stepwise change in flexibility allows bus bars 105 of different thicknesses (in the X direction) to be easily deployed while still being held securely in the interior area 118 by the spacers 120. Optionally, the spacer 120 may also be flexibly (bendable or rotatable) attached to the body 110 such that the joint (or joint portion) between the spacer 120 and the body 110 will bend or curve accordingly upon insertion of the bus bar 105 he distanced spacer 120 as a whole when inserting or bends in the insertion direction R. Hereby can be achieved that busbars 105 different thickness can be kept safe.
    The features of the invention disclosed in the description, the claims and the figures may be essential for the realization of the invention either individually or in any combination.
    权利要求:
    Claims (13)
    [1]
    An insulating cover for insulating a bus bar (105) extending along a longitudinal direction (Z), comprising: a body (110) having an opening (116) and an interior area (118) for receiving the bus bar (105) wherein the body (110) and the opening (116) extend along the longitudinal direction (Z) and are configured to receive the bus bar (105) by insertion through the opening (116) such that the body (110) is the bus bar (105) at least partially encloses on at least three sides; at least one spacer (120) configured to hold the bus bar (105) and the body (110) at least in sections at a distance (d) from each other; and a closure portion (130) formed at the opening (116) of the body (110) and holding the bus bar (105) in the inner region (118) after insertion, wherein at least the body (110) and the closure portion (130 ) comprise an insulating material to form along the longitudinal alignment (Z) at least partially insulating cover for the busbars (105).
    [2]
    The insulating cover of claim 1, wherein the bus bar (105) has a rectangular cross-section with a short transverse dimension (DX) and a long transverse dimension (DY) with respect to the longitudinal direction (Z), and the body (110) has a substantially U-shaped cross section. shaped cross-section, wherein the substantially U-shaped cross section has a first tapered portion (112) opposite the opening (116) and / or a second tapered portion (114) at the opening (116), wherein the first tapered portion (112 ) to taper the inner region (118) in an insertion direction (R) to a first inner extent (LI), and wherein the second tapered portion (114) is formed around the inner region (118) opposite to the insertion direction ( R) to a second inner extent (L2) to taper.
    [3]
    The insulating cover of claim 2, wherein the first inner extent (LI) and / or the second inner extent (L2) is substantially equal to the short transverse dimension (DX), perpendicular to the bus bar (105) after insertion into the inner region (118) to give a stop to the insertion direction (R).
    [4]
    The insulating cover of claim 2 or claim 3, wherein the at least one spacer (120) is formed as at least one rib between the first tapered portion (112) and the second tapered portion (114) to define an air cavity between the inserted bus bar (105 ) and the body (110), wherein the at least one rib extends at least partially along the longitudinal direction (Z).
    [5]
    The insulating cover of claim 4, wherein the at least one rib has variable flexibility along its extension away from the body (110).
    [6]
    6. An insulating cover according to one of the preceding claims, wherein the at least one spacer (120) comprises an elastic material and is formed to deform elastically upon insertion of the bus bar (105), thereby the body (110) of the bus bar (105 ) push away.
    [7]
    7. An insulating cover according to any one of claims 1 to 5, wherein the at least one spacer (120) is formed to allow insertion of the bus bar (105) without deformation of the at least one spacer (120).
    [8]
    8. The insulating cover of claim 1, wherein the at least one spacer has at least one first spacer and at least one second spacer, wherein the at least one first spacer and the at least one second spacer 120b) are arranged and formed on opposite inner sides (110a, b) of the body (110) so as to allow the busbar (105) to be essentially pushed only by the at least one first spacer (120a) and the at least one second spacer (120b) after insertion ) to keep.
    [9]
    9. An insulating cover according to any one of the preceding claims, wherein the closure portion (130) in a cross-section with respect to the longitudinal direction (Z) at least one V-shaped portion (131) having a tip (132) and two legs (133, 134) extending extending from the tip (132), the V-shaped portion (131) being oriented such that one of the two legs (133) is secured to the body (110), the tip (132) from the interior (Fig. 118) and the other of the two legs (134) is formed to fix the bus bar (105) in the inner space (118) with respect to an insertion direction (R).
    [10]
    10. The insulating cover according to any one of claims 2 to 10, wherein the closure portion (130) in a cross section with respect to the longitudinal direction (Z) has two V-shaped portions (131a, 131b) each having a tip (132a, 132b) and two legs ( 133a, 134a, 133b, 134b) extending from the respective tip (132), each having a tip (132a, b) of the two V-shaped portions (131a, 131b) in a direction perpendicular to the one Insertion direction (R) are aligned with each other and one of the two legs (133) is connected to the body (110).
    [11]
    11. Insulating cover according to one of the preceding claims, wherein the closure portion (130) is formed to close the opening (116) after insertion of the bus bar (105) such that unintentional contact of the bus bar (105) is prevented by a user ,
    [12]
    12. An insulating cover according to one of the preceding claims, wherein the body (110), the at least one spacer (120) and the closure portion (130) are formed as a part and / or the body (110) comprises a flexible material.
    [13]
    The insulation cover of any one of the preceding claims, wherein the spacer (120) comprises a pliable material and / or a tiltable connection is formed between the spacer (120) and the body (110) so as to have bus bars (105) of different thicknesses perpendicular to securely hold to an insertion direction (R) in the inner region (118) of the insulating cover.



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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR1503562A|1966-06-15|1967-12-01|Electric baseboard with continuous accessibility|
    NL155136B|1972-03-18|1977-11-15|Philips Nv|POWER TAKE-OFF RAIL FOR MOVABLE POWER TAKE-OFF DEVICES.|
    DE3908330C1|1989-03-15|1990-09-27|Rittal-Werk Rudolf Loh Gmbh & Co Kg, 6348 Herborn, De|Device for covering busbars|
    AU2002953429A0|2002-12-18|2003-01-09|Power And Communications Logistics Pty Limited|An elongate electrical conductor that is adapted for electrically connecting with an electrical contact|
    MY158971A|2010-04-22|2016-11-30|Universal Electric Corp|Press-fit busbar and busway employing same|DE202016105870U1|2016-10-19|2016-10-26|Klaus Bruchmann Gmbh|Protection profile for busbars|
    DE102016119939A1|2016-10-19|2018-04-19|Klaus Bruchmann Gmbh|Protection profile for busbars|
    EP3419125A1|2017-06-20|2018-12-26|Gorlan Team, S.L.U.|Protection device for electrical busbars|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE102013012814.5A|DE102013012814B4|2013-07-31|2013-07-31|Insulating cover for a busbar|
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