CN217768826U

CN217768826U - Three-position signal transmission device of plug-in type circuit breaker

Info

Publication number: CN217768826U
Application number: CN202221739665.0U
Authority: CN
Inventors: 范琨; 朱霞丽
Original assignee: Shanghai Renmin Electrical Apparatus Works Co Ltd
Current assignee: Shanghai Renmin Electrical Apparatus Works Co Ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-08
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to a three position signal transmission devices of formula circuit breaker can peg graft, including connection terminal (1), drawer seat (2), bottom plate (3), support (6), push pedal (4), connecting rod (5) and micro-gap switch (7), connection terminal (1) be located drawer seat (2) curb plate one side, support (6) and push pedal (4) install on bottom plate (3), and be equipped with a plurality of micro-gap switch (7) on support (6), each micro-gap switch (7) are connected with connection terminal (1) through the wire, push pedal (4) on be equipped with a connecting rod (5). Compared with the prior art, the utility model discloses but the connection terminal of plug-in type makes withdrawable circuit-breaker not only be applicable to ordinary cubical switchboard, still is applicable to the miniaturized cubical switchboard that the cabinet is wide little, the space is limited.

Description

Three-position signal transmission device of plug-in type circuit breaker

Technical Field

The utility model belongs to the technical field of the circuit breaker technique and specifically relates to a can connect and insert formula circuit breaker three-position signal transmission device.

Background

With the increasing requirements of low-voltage electrical equipment on energy saving, cost reduction and efficiency improvement, the development trend of the switch cabinet on miniaturization and compactness is obvious. Low-voltage circuit breakers are a very important part of switchgear cabinets, and a reasonable optimization of the circuit breaker structure is an inevitable choice to adapt to the current development trend.

The drawer type circuit breaker is widely applied due to the fact that replacement and overhaul are convenient, three characteristic states of a separation position, a test position and a connection position exist in a drawer seat and a body of the drawer type circuit breaker, signal acquisition and transmission are conducted on the three characteristic states, and remote system monitoring is facilitated. The three-position signal acquisition and transmission device is arranged on the side plate of the drawer seat and transmits the state of the drawer type circuit breaker out in a signal form. The wiring of the prior three-position signal transmission device is realized through manual wiring, but the space in a miniaturized switch cabinet is limited, the distance from a side plate of a drawer seat to a cabinet is very small, the three-position signal transmission device is manually wired in the small space, a hand is required to stretch into the three-position signal transmission device to be wired, the visual field is limited, and the wiring mode is not friendly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a three-position signal transmission device of a plug-in type circuit breaker, which is convenient for wiring and suitable for a miniaturized switch cabinet, in order to overcome the defects of the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a three position signal transmission device of formula circuit breaker can peg graft, includes connection terminal, drawer seat, bottom plate, support, push pedal and connecting rod, the connection terminal be located drawer seat curb plate one side, support and push pedal install on the bottom plate, and be equipped with a plurality of micro-gap switch on the support, each micro-gap switch passes through the wire and is connected with the connection terminal, the push pedal on be equipped with a connecting rod.

The connecting rod on the push plate is shaken into the drawer seat to touch the corresponding microswitch, and meanwhile, the microswitch transmits the corresponding signal to the wire holder.

The wire holder is provided with contacts with the quantity corresponding to the input contacts of the micro switch.

The wire holder is of an insertion structure and comprises an insertion part and a base part, wherein the base part is arranged on a side plate of the drawer seat.

One end contact of the base part is connected with a microswitch input contact corresponding to a three-position signal of the circuit breaker, the other end contact of the base part is connected with the plug part in a plug connector interface mode, and the other end of the plug part is connected with an external data acquisition system.

The base part is provided with a mounting hole and is fixed on the side plate of the drawer seat through a screw.

The incoming line port of base part connect the micro-gap switch input contact who corresponds three position signal of circuit breaker, the outgoing line port of base part present with the form of plug connector interface, base part plug connector interface include the contact pin board and form in bearing structure and location guide rail on the base part shell, the incoming line port of connecing the part presents with the form of plug connector interface, the connector interface of connecing the part includes the contact pin and connect protection architecture and constant head tank on the part shell of connecing, the contact pin board of base part be connected with the contact pin of connecing the part of connecing, the bearing structure of base part with connect the protection architecture cooperation butt joint of part of connecing, the location guide rail of base part move along connecing the constant head tank of connecing the part of connecing, the location guide rail has step buckle structure, the constant head tank has limit structure, after the part of connecing puts in place with base part grafting, location guide rail buckle structure can cooperate with constant head tank limit structure, pins the grafting part, makes the firm fixing in base part of grafting.

The plug-in part and the base part are plugged up and down or left and right, the plug-in part is fixed on the side plate of the drawer base in a manner of being plugged with the base part, the plug-in part is movable in a non-plugging state and can be taken down to perform operations such as wiring, and the plug-in part is plugged on the base part after wiring.

The circuit breaker including push into/pull out and as the circuit breaker body of dynamic part and the drawer seat as static part, the drawer seat set up the curb plate respectively, set up secondary connection terminal group at the top of direction of height in the both sides of direction of height, the curb plate of drawer seat just be close to in direction of height's top secondary connection terminal group horizontal direction's one end set up be used for with position trigger end matched with three-position collection system.

The circuit breaker comprises a base plate, a support, a push plate, a connecting rod, a circuit breaker body and a connecting rod, wherein the base plate is provided with a track for the push plate to move, the push plate is positioned on one side of the support, the connecting rod on the push plate is positioned beside a microswitch, the circuit breaker body enters a drawer seat, and the connecting rod touches the corresponding microswitch.

Compared with the prior art, the utility model has the advantages of it is following:

(1) The utility model provides a can insert formula circuit breaker three-position signal transmission device can gather and transmit away circuit breaker three-position operating condition signal, is equipped with a connecting rod in the push pedal that sets up in its drawer seat, and the connecting rod can shake along with the drawer seat and touch corresponding micro-gap switch, and micro-gap switch passes through the wire and is connected with the connection terminal, and signal transmission to the connection terminal that will correspond, the connection terminal be located drawer seat curb plate one side, be equipped with the contact that corresponds quantity with micro-gap switch input contact on the connection terminal, the connection terminal is for can inserting the structure, can insert partial and base part, insert partial and base part and can be from top to bottom, also or control the connection grafting. The plug-in type wire holder enables the drawer type circuit breaker to be suitable for not only a common switch cabinet, but also a miniaturized switch cabinet with small cabinet width and limited space.

(2) The utility model provides an unfriendly mode of connection, the mode of connection has been optimized through the connector interface to direct wiring in miniaturized cabinet, and nimble inserting the part and can not only take off the inspection operation of working a telephone switchboard alone, can also come firm fixed to the drawer seat curb plate through the buckle that connects the structure and the spacing groove of base part, solve because the three position signal device that drawer type circuit breaker drawer seat curb plate and cubical switchboard interval space lead to little problem of the difficulty of working a telephone switchboard.

Drawings

Fig. 1 is a schematic structural view of the three-position signal transmission device of the pluggable circuit breaker of the present invention;

FIG. 2 is a schematic view of a side plate structure of the drawer seat of the present invention;

fig. 3 is another schematic structural view of the side plate of the drawer seat of the present invention;

FIG. 4 is a schematic structural view of the inserting portion of the present invention;

fig. 5 is a schematic structural view of the base portion of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1, a three-position signal transmission device of plug-in type circuit breaker, including wire holder 1, drawer seat 2, bottom plate 3, support 6, push pedal 4, connecting rod 5 and micro-gap switch 7, wire holder 1 be located 2 curb plates of drawer seat one side, support 6 and push pedal 4 install on bottom plate 3, and be equipped with a plurality of micro-gap switch 7 on the support 6, each micro-gap switch 7 passes through the wire and is connected with wire holder 1, push pedal 4 on be equipped with a connecting rod 5. The connecting rod 5 on the push plate 4 is shaken into the drawer seat 2 to touch the corresponding micro switch 7, and meanwhile, the micro switch 7 transmits the corresponding signal to the wire holder 1.

And the wire holder 1 is provided with contacts with the quantity corresponding to the input contacts of the micro switch 7. The wire holder 1 is of an insertion-capable structure and comprises an insertion part 11 and a base part 12, wherein the base part 12 is arranged on a side plate of the drawer seat 2. One end contact of the base part 12 is connected with the input contact of the microswitch 7 corresponding to the three-position signal of the breaker, the other end contact is connected with the plug part 11 in the form of a plug connector interface, and the other end of the plug part 11 is connected with an external data acquisition system.

The base part 12 is provided with a mounting hole, and the base part 12 is fixed on a side plate of the drawer base 2 through a screw. In this embodiment, the base portion 12 is fixed to 2 threaded holes of a side plate of the drawer base 2 by 2 screws, an inlet port of the base portion 12 is connected to an input contact of the micro switch 7 corresponding to a three-position signal of the circuit breaker, an outlet port of the base portion 12 is presented in the form of an insert interface, the insert interface of the base portion 12 includes an insert pin plate 121, and a support structure 122 and a positioning rail 123 formed on a housing of the base portion 12, in this embodiment, as shown in fig. 5, the inlet port of the plug portion 11 is presented in the form of an insert interface, the insert interface of the base portion 11 includes an insert pin 111 and a protection structure 112 and a positioning groove 113 on the housing of the plug portion 11, in this embodiment, as shown in fig. 4, the insert pin plate 121 of the base portion 12 is connected to the insert pin 111 of the plug portion 11, the support structure 122 of the base portion 12 is mated with the protection structure 112 of the plug portion 11, the positioning rail 123 of the base portion 12 moves along the positioning groove 113 of the plug portion 11, the positioning rail 123 has a stepped fastening structure, and the positioning groove 113 is fixed on the plug portion 11, so that the plug portion 11 can be locked. The plug-in part 11 and the base part 12 are connected with each other through matched plug connector interfaces to transmit signals, the plug-in part 11 and the base part 12 can be connected with each other in an up-and-down plug mode or in a left-and-right plug mode, in the embodiment, as shown in fig. 2, the plug-in part 11 and the base part 12 are connected with each other in an up-and-down plug mode, the plug-in part 11 is fixed on a side plate of the drawer seat in a plug mode with the base part 12, the plug-in part 11 is movable in a non-plug-in state and can be taken down to perform operations such as wiring, and the plug-in part 11 is connected to the base part 12 after the wiring is finished.

The bottom plate 3 on be equipped with the track that supplies push pedal 4 to remove, push pedal 4 is located 6 one sides of support, and connecting rod 5 on the push pedal 4 is located micro-gap switch 7 by, the circuit breaker body gets into drawer seat 2, connecting rod 5 touches corresponding micro-gap switch 7.

Example 2

The connector portion 11 and the base portion 12 are connected and inserted from left to right as shown in FIG. 3. The rest is the same as example 1.

To sum up, the utility model discloses three position signal acquisition transmission device of formula of can inserting can satisfy at present because miniaturized cubical switchboard space is little, the cabinet is wide little and propose the requirement of optimizing three position signal device mode of connection to the circuit breaker in the cabinet, is the replenishment to original integral type three position signal acquisition and transmission device, saves space for miniaturized cubical switchboard, has wide application prospect and economic benefits.

Claims

1. The utility model provides a three position signal transmission devices of formula circuit breaker can insert which characterized in that, includes connection terminal (1), drawer seat (2), bottom plate (3), support (6), push pedal (4), connecting rod (5) and micro-gap switch (7), connection terminal (1) be located drawer seat (2) curb plate one side, support (6) and push pedal (4) install on bottom plate (3), and be equipped with a plurality of micro-gap switch (7) on support (6), each micro-gap switch (7) are connected with connection terminal (1) through the wire, push pedal (4) on be equipped with a connecting rod (5).

2. The three-position signal transmission device of an insertable circuit breaker according to claim 1, characterized in that the connecting rod (5) of the push plate (4) is swung into the drawer base (2) to actuate the corresponding microswitch (7), and the microswitch (7) transmits the corresponding signal to the wire holder (1).

3. Three-position signal transmission device for a pluggable circuit breaker according to claim 1, characterized in that said connection base (1) is provided with a number of contacts corresponding to the input contacts of the microswitch (7).

4. The three-position signal transmission device of an insertable circuit breaker as claimed in claim 1, wherein the wire holder (1) is an insertable structure comprising an insertion portion (11) and a base portion (12), wherein the base portion (12) is mounted on a side plate of the drawer holder (2).

5. The pluggable circuit breaker three-position signal transmission device according to claim 4, wherein the wire inlet port of the base portion (12) is connected to the input contact of the microswitch (7) corresponding to the circuit breaker three-position signal, the wire outlet port of the base portion (12) is in the form of a plug connector interface, and the wire inlet port of the plug portion (11) is in the form of a plug connector interface.

6. The apparatus as claimed in claim 5, wherein the base portion (12) connector interface comprises a connector board (121) and a supporting structure (122) and a positioning rail (123) formed on the housing of the base portion (12), the connector interface of the socket portion (11) comprises a connector pin (111) and a protecting structure (112) and a positioning groove (113) formed on the housing of the socket portion (11), the connector board (121) of the base portion (12) is connected with the connector pin (111) of the socket portion (11), the supporting structure (122) of the base portion (12) is in fit and butt joint with the protecting structure (112) of the socket portion (11), the positioning rail (123) of the base portion (12) moves along the positioning groove (113) of the socket portion (11), the positioning rail (123) has a stepped snap structure, the positioning groove (113) has a limited structure, after the socket portion (11) is inserted into the base portion (12), the positioning rail (123) can be fixed with the socket portion (113) to lock the base portion (11), and the positioning groove (113) can lock the socket portion (11).

7. The three-position signal transmission device of an insertable circuit breaker according to claim 4, characterized in that the base part (12) is provided with mounting holes, and the base part (12) is fixed on the side plate of the drawer base (2) by screws.

8. The three-position signal transmission device of the pluggable circuit breaker as claimed in claim 4, wherein the plugging portion (11) and the base portion (12) are plugged up and down or left and right, and the plugging portion (11) is fixed on the side plate of the drawer base (2) in a manner of plugging with the base portion (12).

9. The three-position signal transmission device of an insertable circuit breaker as claimed in claim 1, wherein the circuit breaker comprises a circuit breaker body as a dynamic component and a drawer base as a static component, the drawer base is provided with side plates at two sides in the horizontal direction respectively, a secondary terminal set is provided at the top in the height direction, and a three-position collecting device for matching with the position trigger end is provided at one end of the side plate of the drawer base above the height direction and close to the secondary terminal set in the horizontal direction.

10. The three-position signal transmission device of an insertable circuit breaker according to claim 9, wherein the bottom plate (3) is provided with a track for the push plate (4) to move, the push plate (4) is positioned on one side of the bracket (6), the connecting rod (5) on the push plate (4) is positioned beside the microswitch (7), the circuit breaker body enters the drawer seat (2), and the connecting rod (5) touches the corresponding microswitch (7).