CN219575522U - Leakage protection circuit breaker - Google Patents
Leakage protection circuit breaker Download PDFInfo
- Publication number
- CN219575522U CN219575522U CN202320399934.1U CN202320399934U CN219575522U CN 219575522 U CN219575522 U CN 219575522U CN 202320399934 U CN202320399934 U CN 202320399934U CN 219575522 U CN219575522 U CN 219575522U
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- circuit breaker
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- leakage protection
- shell
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Abstract
The utility model relates to a leakage protection circuit breaker, which comprises a circuit breaker unit and a leakage protection unit assembled with the circuit breaker unit, wherein a leakage undervoltage protection module is arranged on one side of the circuit breaker unit and one side of the leakage protection unit, the leakage undervoltage protection module comprises a base, a cover plate arranged on the base, a leakage protection circuit board arranged in the base, a zero sequence transformer arranged in the base, an undervoltage protection circuit board arranged in the base and a wiring terminal arranged on the base, a wire is arranged on the wiring terminal, one end of the wire penetrates through a through hole of the zero sequence transformer and is connected to the wiring board, and one end of the wiring board is connected with a coil of an electromagnetic release of the circuit breaker unit. The utility model has the advantages of simple structure, stable and reliable performance, high assembly efficiency and low production cost.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a leakage protection circuit breaker.
Background
The miniature circuit breaker is also called miniature circuit breaker, is suitable for overload and short-circuit protection of the line with rated voltage of 230/400V of alternating current 50/60Hz and rated current not exceeding 125A, and can be used as infrequent operation conversion of the line under normal conditions. The miniature circuit breaker is mainly used in various places such as industry, business, high-rise and civil houses. The miniature leakage circuit breaker is a switch capable of automatically operating when the leakage current in the circuit exceeds a preset value, and can protect the safety of personnel and electric appliances. The current leakage protection function and the undervoltage protection function of the small-sized leakage circuit breaker cannot be integrated into a modularized structural design, the leakage protection function and the undervoltage protection function cannot be freely assembled with the circuit breaker, the flexibility of production is poor, and the leakage circuit breaker cannot be assembled in a modularized manner, so that the assembly efficiency is low.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the leakage protection circuit breaker which has the advantages of simple structure, stable and reliable performance, high assembly efficiency and low production cost.
In order to achieve the purpose, the utility model adopts the leakage protection circuit breaker, which comprises a circuit breaker unit and a leakage protection unit assembled with the circuit breaker unit, wherein one side of the circuit breaker unit and one side of the leakage protection unit are provided with a leakage undervoltage protection module, the leakage undervoltage protection module comprises a base, a cover plate arranged on the base, a leakage protection circuit board arranged in the base, a zero sequence transformer arranged in the base, an undervoltage protection circuit board arranged in the base and a wiring terminal arranged on the base, one end of the wiring terminal is provided with a wire, the wire penetrates through a through hole of the zero sequence transformer and is connected to the wiring board, and one end of the wiring board is connected with a coil of an electromagnetic release of the circuit breaker unit.
The beneficial effects of the structure are as follows: the leakage protection function and the undervoltage protection function are integrated into a modularized structural design, so that the modularized assembly of the leakage undervoltage protection module, the breaker unit and the leakage protection unit can be realized, and the assembly efficiency is higher. The undervoltage protection module and the circuit breaker can be freely assembled according to the requirements of users, the flexibility of production is high, and the production cost is high. Therefore, the leakage protection circuit breaker has the advantages of simple structure, stable and reliable performance, high assembly efficiency and low production cost.
Particularly, the base one side on be provided with the casing of circuit breaker unit, the spacing sand grip of leakage protection unit matched with, the casing of circuit breaker unit, the casing of leakage protection unit on be provided with respectively with spacing sand grip matched with spacing groove, spacing sand grip block in the spacing inslot, and constitute the joint cooperation of base and casing of circuit breaker unit, leakage protection unit's casing. The base is provided with the limit convex strips clamped on the shell of the circuit breaker unit and the shell of the leakage protection unit, so that the base, the shell of the circuit breaker unit and the shell of the leakage protection unit are convenient to assemble, the assembly is more convenient, and the base, the shell of the circuit breaker unit and the shell of the leakage protection unit can be assembled more compactly.
Particularly, a plurality of clamping convex blocks are arranged on one side of the cover plate, clamping grooves matched with the clamping convex blocks are respectively arranged on the shell of the circuit breaker unit and the shell of the leakage protection unit, the clamping convex blocks are clamped in the clamping grooves, and the cover plate is matched with the shell of the circuit breaker unit and the shell of the leakage protection unit in a clamping mode. The cover plate is provided with the clamping convex blocks which are clamped on the shell of the circuit breaker unit and the shell of the leakage protection unit, so that the assembly of the leakage undervoltage protection module, the circuit breaker unit and the leakage protection unit is facilitated, and the assembly efficiency is higher.
Particularly, two sides of the cover plate are respectively provided with an inserting plate, the base is provided with an inserting groove matched with the inserting plate, and the inserting plates are clamped in the inserting grooves and form clamping fit between the cover plate and the base. The apron adopts joint cooperation mode to be connected with the base to the apron and the assembly of base of being convenient for, assembly efficiency is higher.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is an internal structural diagram of an embodiment of the present utility model.
Fig. 4 is a perspective view of a base according to an embodiment of the present utility model.
Fig. 5 is a perspective view of an upper cover according to an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 5, an embodiment of the present utility model is a leakage protection circuit breaker, including a circuit breaker unit 10 and a leakage protection unit 20 assembled with the circuit breaker unit 10, a leakage undervoltage protection module 30 is disposed on one side of the circuit breaker unit 10 and one side of the leakage protection unit 20, the leakage undervoltage protection module 30 includes a base 31, a cover plate 32 disposed on the base 31, a leakage protection circuit board 33 disposed in the base 31, a zero sequence transformer 34 disposed in the base 31, an undervoltage protection circuit board 35 disposed in the base 31, and a connection terminal 36 disposed on the base 31, wherein a wire 37 is disposed on the connection terminal 36, one end of the wire 37 passes through a through hole 341 of the zero sequence transformer 34 and is connected to the connection board 38, and one end of the connection board 38 is connected to a coil of an electromagnetic release 11 of the circuit breaker unit 10.
As shown in fig. 2 to 5, a limit protrusion 311 is disposed on one side of the base 31 and is engaged with the housing 101 of the circuit breaker unit 10 and the housing 201 of the earth leakage protection unit 20, limit grooves 100 engaged with the limit protrusion 311 are disposed on the housing 101 of the circuit breaker unit 10 and the housing 101 of the earth leakage protection unit 20, the limit protrusion 311 is engaged with the limit grooves 100, and the base 31 is engaged with the housing 101 of the circuit breaker unit 10 and the housing 201 of the earth leakage protection unit 20. The base is provided with the limit convex strips clamped on the shell of the circuit breaker unit and the shell of the leakage protection unit, so that the base, the shell of the circuit breaker unit and the shell of the leakage protection unit are convenient to assemble, the assembly is more convenient, and the base, the shell of the circuit breaker unit and the shell of the leakage protection unit can be assembled more compactly. The cover plate 32 is provided with a plurality of clamping convex blocks 321 on one side, the shell 101 of the circuit breaker unit 10 and the shell 101 of the leakage protection unit 20 are respectively provided with clamping grooves 200 matched with the clamping convex blocks 321, the clamping convex blocks 321 are clamped in the clamping grooves 200, and the cover plate 32 is matched with the shell 101 of the circuit breaker unit 10 and the shell 201 of the leakage protection unit 20 in a clamping manner. The cover plate is provided with the clamping convex blocks which are clamped on the shell of the circuit breaker unit and the shell of the leakage protection unit, so that the assembly of the leakage undervoltage protection module, the circuit breaker unit and the leakage protection unit is facilitated, and the assembly efficiency is higher. Two sides of the cover plate 32 are respectively provided with an inserting plate 322, the base 31 is provided with an inserting groove 312 matched with the inserting plate 32, the inserting plate 322 is clamped in the inserting groove 312, and the cover plate 32 is matched with the base 31 in a clamping way. The apron adopts joint cooperation mode to be connected with the base to the apron and the assembly of base of being convenient for, assembly efficiency is higher.
The leakage protection function and the undervoltage protection function are integrated into a modularized structural design, so that the modularized assembly of the leakage undervoltage protection module, the breaker unit and the leakage protection unit can be realized, and the assembly efficiency is higher. The undervoltage protection module and the circuit breaker can be freely assembled according to the requirements of users, the flexibility of production is high, and the production cost is high. Therefore, the leakage protection circuit breaker has the advantages of simple structure, stable and reliable performance, high assembly efficiency and low production cost.
Claims (4)
1. The utility model provides a leakage protection circuit breaker, includes circuit breaker unit, with the leakage protection unit that circuit breaker unit assembled mutually, its characterized in that: the circuit breaker unit and earth leakage protection unit one side on be provided with earth leakage undervoltage protection module, earth leakage undervoltage protection module include the base, set up apron on the base, set up earth leakage protection circuit board in the base, set up zero sequence transformer in the base, set up undervoltage protection circuit board in the base, set up binding post on the base, binding post on be provided with the wire, wire one end pass zero sequence transformer's through-hole and connect on the wiring board, wiring board one end be connected with the coil of the electromagnetic release of circuit breaker unit.
2. The earth leakage protection circuit breaker of claim 1, wherein: the circuit breaker is characterized in that one side of the base is provided with a limit protruding strip matched with the shell of the circuit breaker unit and the shell of the leakage protection unit, the shell of the circuit breaker unit and the shell of the leakage protection unit are respectively provided with a limit groove matched with the limit protruding strip, the limit protruding strip is clamped in the limit groove, and the base is matched with the shell of the circuit breaker unit and the shell of the leakage protection unit in a clamping manner.
3. The earth leakage protection circuit breaker according to claim 1 or 2, characterized in that: the circuit breaker is characterized in that one side of the cover plate is provided with a plurality of clamping convex blocks, clamping grooves matched with the clamping convex blocks are respectively formed in the shell of the circuit breaker unit and the shell of the leakage protection unit, and the clamping convex blocks are clamped in the clamping grooves and form clamping fit between the cover plate and the shell of the circuit breaker unit and the shell of the leakage protection unit.
4. The earth leakage protection circuit breaker according to claim 1 or 2, characterized in that: the cover plate is characterized in that two sides of the cover plate are respectively provided with a plugboard, the base is provided with a slot matched with the plugboard, and the plugboard is clamped in the slot and forms clamping fit between the cover plate and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320399934.1U CN219575522U (en) | 2023-02-28 | 2023-02-28 | Leakage protection circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320399934.1U CN219575522U (en) | 2023-02-28 | 2023-02-28 | Leakage protection circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219575522U true CN219575522U (en) | 2023-08-22 |
Family
ID=87668318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320399934.1U Active CN219575522U (en) | 2023-02-28 | 2023-02-28 | Leakage protection circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219575522U (en) |
-
2023
- 2023-02-28 CN CN202320399934.1U patent/CN219575522U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |