Device for controlling electrical setup

专利摘要:
A control and testing system is provided for an installation using contactors. With each of the contactors (3), whose orders correspond to a particular function, there is associated a module (48) which contains the corresponding electric circuits and which is connected to the contactor electrically and mechanically by means of pins (51, 52) of the coil (7). The module is stabilised by means of a hook device (56). …<IMAGE>…
公开号:SU1718738A3
申请号:SU894614162
申请日:1989-05-19
公开日:1992-03-07
发明作者:Моро Доминик
申请人:Телемеканик (Фирма)；
IPC主号:

专利说明:

The invention relates to electrical installation control devices having contactors, each of which contains power switches operated by an electromagnet, having an excitation winding, the external terminals of which are electrically connected with a power and control circuit that can amplify, respectively supply or interrupt, In automatic or manual modes, electrical signals, with or without duration of occurrence or disappearance with respect to reference signals.
In control systems, they usually resort to the use of switchboards, on which are placed, in particular, various information processing circuits with the possibility of using programmable automata, retarding circuits, function selectors, signaling lamps, as well as manual controls, allowing to check automation, for example when making adjustments ..
Some of these tools are placed in a reduced quantity not on the switchboard panel, but on the front side of the lid of a small box containing the specified contactor or contactors with which they are connected with conductors extending either from the cover to the terminals of the windings of the contactors or directly between some of these. the means and the indicated terminals when all these organs are fastened to the base of the box.
A certain number of simple functions, which are usually assigned to a device with full automation, when its final structure is developed in advance, may become necessary in simpler installations, when gradual development must be accompanied by an increase in the number of functions flowing,
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VI
00 VI SA W

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for example, from new safety regulations.
In this case, the size of the switchboard or box may be insufficient if the capabilities of this automation are not previously calculated.
The purpose of the invention is to expand the functionality of the device.
The goal is achieved by using several modules in this device, each of which has an insulated housing that can be electrically or mechanically connected to the available windings of a connected contactor using two conductive protruding plugs, and the internal volume of these housings is occupied by one of several elementary circuits that can perform the following functions indefinitely: a is a consistent electronic time delay, which is turned off when a si Nala; b is a sequential electronic time delay, which turns off when the signal disappears; c is a DC disconnection between the signal potentials and the potentials of the winding power sources; d is the selectivity between the commands given by the programmable automaton and the start or stop commands through local manual intervention; e is an electronic amplifier of weak signals, and these enclosures have, in addition, a width approximately equal to or close to the width of the contactors to which they are connected, and have input terminals for state control or visualization, respectively, placed on front sides close to the front relevant contactors.
Fig. 1 shows several contactors installed side by side on a single wall and provided with modules according to the invention, front view; FIG. 2 shows a contact winding, in front of the terminals of which there is a separate module, front view; in FIG. 3 - the same, the module is connected to the winding terminals, side view; Fig. 4 shows electromechanical or electronic circuits that can be housed in the housings of the respective modules; figure 5 - the method of installation of the module on the contactor, side view,
Fig. 1 shows a plurality of contact apparatuses-31-36 included in one simple automated system or in one section of a more advanced automated system, and it can be seen in Fig. 1 that the devices are attached side by side.
side on the same profile rail 2, rigidly connected to the wall.
Each of these contactors such (figure 2 and 3) has terminals 5 and 6, which
connected to the winding 7 or mounted on the core 7a of the winding located in the housing 8 for exciting the electromagnet 9, the movable plate 10 of which includes the power switches 11 and the switch
0 15 alarms or interlocks when rmo 13 is magnetized.
These switches terminate at input and output terminals 15-17 and 18-20. Third terminal 21, electrically connected
5 with terminal b, is located opposite this last terminal and on the core in accordance with the connection requirements. Functional intermediate terminals are connected to each of the contactors 31-36.
0 modules 41-46, which are included in the set of 40 modules, each of which carries a certain function directly connected with the winding operation.
Each case 47 module 48, (figure 2 and 8),
5 has on the lower side 49 two protruding and partially insulated output plug lugs 51 and 52, which can interact with the upper adjacent terminals 5 and 6 of the winding, which open up on the upper side 53 of the contactor. On the same side there is a recess 54, which is located in the area 55. remote from the terminals 5 and 6, and which can receive a hook 56 rigidly connected with
5 with a side 49. Mechanical attachment and electrical connection, which can only be carried out by clamping the ends of the plug-in terminals at the respective terminals, is complemented by a means of engagement 56 and 54 (hook-and-groove systems).
As shown in FIG. 3, each housing
 47 modular has a front panel
57, which is located adjacent to the front panel 58 of the contactor and parallel to it, not capturing the volume 60 intended to pass the conductors 61 that terminate in the upper power input terminals 15-17.
0
The front panel 57 of the module 48, which carries, for example, the light pointer 62 and the adjusting button 63, also has ports for opening to clamp the conductors 64 ending in
. input terminals 65 and 66 of the module, these
the inputs are on the upper side of the module.
In this case, there are only two terminals
but their number may be more like this
shown in figure 1.
Each module case 47, designated 41 and 46 in FIG. 1, has a width d close to the width Di-D2 of the connected contactors 31-36, this width is measured parallel to the series of power terminals.
When the contactor housing 36 is wider than the contactors 31-35, the same modules can be connected to it due to the presence of winding terminals with gaps corresponding to the plugs gaps, or because even if these winding terminals have a larger gap The module plug lugs can fit into adequate sections, pass from one side or the other side of the corresponding clamping screws.
In addition, FIGS. 1-3 show that the height of the module housings can vary between two values hi and P2, depending on the volume 70 needed to accommodate the internal components selected to perform a separate function ...
Among the functions that can be performed by these modules, there are unlimited, for example, module 41, which serves as a relay amplifier; a module 42, sequentially implementing an electronic idle time delay, which introduces a delay that is controlled by excitation times with respect to the disappearance of the reference signal due to the adjusting member 79; module 43, the function of which is to either randomly turn off the power of the winding due to the manual control body 77, or to select the beginning of the power signals from the machine 84 or from an independent source due to the presence of a direction switch, the manual body of which is indicated with 78 in FIG. a module 44 serving as an electronic amplifier for signals with weak levels; module 45, sequentially carrying out electronically operating time delay, which introduces an adjustable delay between the moment the signal appears and the moment when the current passes in the winding due to the adjusting button 81; module 46, the function of which allows parallel powering of the winding by means of a hand-held member 82, while this winding is powered by a small relay to provide galvanic isolation between the control signals and the winding power supply.
It is advantageous to place on the front side of each of the light pointer modules using,
e.g., LEDs, 71-76 for signaling the presence of a voltage on the terminal of the winding or on the circulation of current in the winding.
Electromechanical and electronic circuits 5 and means capable of performing these functions may be the subject of various types of implementation, the equivalent circuits of which are shown in Fig. 4. Overvoltage protection component 100 using, for example, zinc oxide is systematically connected between plugs 51 and 52. More generally, the input terminals A2 are directly connected to one of the output plugs 52.
5 Finally, these output plugs 51 and 52 are of sufficient length d, and the terminals 5 and 6 of the windings are so penetrating that each of these modes. Leu 90 can be installed and connected to a contactor 91 despite the presence of an auxiliary case 92 between the module and this contactor, which serves to protect the winding from interference with a PC circuit. For this purpose, the auxiliary body has a small thickness e (figure 5). For good engagement of the module, it is possible to provide you on the upper side 97 of this auxiliary security element. capacitance and protrusion 93, which can be compared
0 with a notch and a protrusion provided on the upper side of the contactor for interacting with the hook 99.
This auxiliary case is advantageously connected to the terminals 95 about 5 of the coil 94 due to the elastic supports of the conducted parts 96 of the auxiliary case which come into contact with the sections 98 which are not occupied by the clamping screws.

权利要求:
Claims (5)
[1]
1. An electric control device comprising a contactor, the housing of which has a front and rear panel, on which the means for fastening the housing to the support are installed, the bottom and two side walls, while the contactor winding has two connection terminals that go outside top wall of the top edge area
0 front panel, terminals equipped with clamping screws, for access to which holes in the front panel are provided, and a functional module, which is electrically connected to the specified terminals, characterized in that, in order to extend the functionality, the specified module is enclosed in a housing, bottom wall which is provided with plug lugs protruding beyond the limits of the module, arranged parallel to the front panel of the module case with the possibility of entering and fastening to the connecting terminals of the winding pin while the bottom wall of the functional module case is parallel to the upper wall of the contactor, while its front panel runs parallel to the front panel of the functional module case, being in the same plane, the functional module contains two input terminals designed for for connection with control means and going out in the upper wall of the module case, near the front panel of this case, and containing clamping screws, for access to which in the front panel of the case are The hole was filled with holes; one of the following circuits located in the housing was connected to the connecting terminals of the functional module: an electronic time delay, triggered when a signal appears at the input terminals of the module; sequential electronic time delay, triggered when the control signal disappears on the module input terminals; a chain providing selectivity between the forced start or stop commands through manual intervention and commands generated by the software device from the outside; electronic amplifier for retransmitting control signals with isolation or
without her; electrical signaling circuits at the module terminals.
[2]
2. The device according to claim 1, that is, with the fact that the circuits placed in the case of the functional module are placed on the front panel of the corresponding functional module.
[3]
3. The device according to claim 1 and 2, characterized in that it is provided with a hook-notch-type fastening means located on the bottom wall of the functional module on the side opposite to the plug lugs.
[4]
4. Device on PP. 1-3, so that the case of the functional module in its front part is located in relation to the front part of the contactor case so that between them forms a cavity, designed to accommodate the wires connected with input terminals of the contactor.
[5]
5. The device according to claims 1-4, which is such that between the functional module case and the contactor case there is an additional protective case of small thickness, electrically connected with the connecting terminals of the contactor winding, the length The plug lugs are selected from the conditions of the presence of this additional protective enclosure, as well as from the conditions of retention of these plug lugs in the connecting terminals.
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法律状态:
2007-12-20| REG| Reference to a code of a succession state|Ref country code: RU Ref legal event code: MM4A Effective date: 20060520 |

优先权:

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申请号 | 申请日 | 专利标题

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FR8806767A|FR2631718B1|1988-05-20|1988-05-20|

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