CN213816012U - Electronic molded case circuit breaker of external leakage protection module - Google Patents
Electronic molded case circuit breaker of external leakage protection module Download PDFInfo
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- CN213816012U CN213816012U CN202023161681.XU CN202023161681U CN213816012U CN 213816012 U CN213816012 U CN 213816012U CN 202023161681 U CN202023161681 U CN 202023161681U CN 213816012 U CN213816012 U CN 213816012U
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- leakage protection
- circuit breaker
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- protection module
- breaker body
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Abstract
The utility model relates to an electronic molded case circuit breaker of an external leakage protection module, which comprises a circuit breaker body and a leakage protection module electrically connected with the circuit breaker body, the leakage protection module comprises a shell body spliced with the shell of the circuit breaker body and a leakage protection component arranged in the shell body, the shell comprises a base and a cover body arranged on the base, the leakage protection component comprises a leakage protection circuit board which is arranged in the cover body and is electrically connected with the circuit board of the circuit breaker body, a zero sequence transformer which is arranged in the base and is electrically connected with the leakage protection circuit board, and four conductive plates which are respectively arranged in the base, one ends of the four conductive plates respectively extend out of the base and are connected with a wiring board of the circuit breaker body, and the other ends of the four conducting plates respectively penetrate through the zero sequence transformer and are provided with wiring holes exposed outside the base. The utility model has the advantages of simple structure, reliable performance and convenient assembly.
Description
Technical Field
The utility model relates to a circuit breaker technical field, concretely relates to electronic type moulded case circuit breaker of external earth leakage protection module.
Background
At present, the electronic molded case circuit breaker is used for infrequent conversion and motor protection in a circuit with 50Hz alternating current, rated working voltage to 400V and rated current to 400A. The circuit breaker has the functions of overload long delay inverse time limit, short circuit short delay fixed time limit, short circuit instant and under-voltage protection, and can protect circuits and power supply equipment from being damaged. The existing leakage protection component of the electronic molded case circuit breaker is of a built-in structure, so that the leakage protection component occupies a larger space in a shell of the circuit breaker, and the electronic molded case circuit breaker has the defects of larger volume, unreliable performance and inconvenient assembly.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, dependable performance, assemble convenient external earth leakage protection module's electronic type moulded case circuit breaker.
In order to realize the purpose, the utility model adopts an electronic molded case circuit breaker with an external leakage protection module, which comprises a circuit breaker body and the leakage protection module electrically connected with the circuit breaker body, the leakage protection module comprises a shell body spliced with the shell of the circuit breaker body and a leakage protection component arranged in the shell body, the shell comprises a base and a cover body arranged on the base, the leakage protection component comprises a leakage protection circuit board which is arranged in the cover body and is electrically connected with the circuit board of the circuit breaker body, a zero sequence transformer which is arranged in the base and is electrically connected with the leakage protection circuit board, and four conductive plates which are respectively arranged in the base, one ends of the four conductive plates respectively extend out of the base and are connected with a wiring board of the circuit breaker body, and the other ends of the four conducting plates respectively penetrate through the zero sequence transformer and are provided with wiring holes exposed outside the base.
The beneficial effect of above-mentioned structure is: the leakage protection module is arranged on a wiring board of the circuit breaker body, when the circuit leaks electricity, the leakage protection circuit board sends a monitored leakage signal to the circuit board of the circuit breaker body, and the circuit board controls the circuit breaker body to execute the leakage tripping action, so that the leakage protection function is realized; when the circuit breaker without the leakage protection function requires to realize the leakage function, the leakage protection module is assembled on the circuit breaker body, and the conductive plate in the leakage protection module is fixedly connected with the wiring board of the circuit breaker body by using the screw, so that the leakage circuit breaker is formed. Therefore, the development of the circuit breaker towards the direction of intelligent protection function, small size and modular structure is realized. And the cost is reduced, and the requirement of a customer can be met more quickly. Therefore, the electronic molded case circuit breaker of the external leakage protection module has the advantages of simple structure, reliable performance and convenience in assembly.
Particularly, the cover body is provided with a containing groove, the leakage protection circuit board is arranged in the containing groove, the cover body is provided with a cover plate covering the leakage protection circuit, and the cover plate is provided with a button hole for the button of the leakage protection circuit board to pass through. The leakage protection circuit board is arranged in the containing groove in the cover body, so that the leakage protection circuit board and the cover body are convenient to assemble, and the assembly efficiency is improved.
Particularly, one side of base, lid on be provided with the joint sand grip respectively, one side of the shell of circuit breaker body on be provided with joint sand grip cooperation draw-in groove, joint sand grip block in the draw-in groove, and constitute the joint cooperation of base, lid and shell. The base and the cover are connected with the shell of the circuit breaker body in a clamping and matching mode, and the assembly efficiency of the electronic molded case circuit breaker of the external leakage protection module is improved.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1-2, an embodiment of the present invention is an electronic molded case circuit breaker with an external leakage protection module, comprising a circuit breaker body 10 and a leakage protection module 20 electrically connected to the circuit breaker body 10, wherein the leakage protection module 20 comprises a case 21 assembled with a housing 11 of the circuit breaker body 10, and a leakage protection assembly 22 disposed in the case 21, the case 21 comprises a base 211 and a cover 212 disposed on the base 211, the leakage protection assembly 22 comprises a leakage protection circuit board 221 disposed in the cover 212 and electrically connected to a circuit board of the circuit breaker body 10, a zero sequence transformer 222 disposed in the base 211 and electrically connected to the leakage protection circuit board 221, and four conductive plates 223 disposed in the base 211, one end of each of the four conductive plates 223 extends out of the base 211 and is connected to a wiring board 101 of the circuit breaker body 10, the other ends of the four conductive plates 223 respectively penetrate through the zero sequence transformer 222 and are provided with wiring holes 2231 exposed outside the base 211.
The cover 212 is provided with a receiving groove 2121, the earth leakage protection circuit board 221 is disposed in the receiving groove 2121, the cover 212 is provided with a cover plate 213 covering the earth leakage protection circuit 221, and the cover plate 213 is provided with a button hole 2131 through which the button 2211 of the earth leakage protection circuit board 221 passes. The leakage protection circuit board is arranged in the containing groove in the cover body, so that the leakage protection circuit board and the cover body are convenient to assemble, and the assembly efficiency is improved.
The leakage protection module is arranged on a wiring board of the circuit breaker body, when the circuit leaks electricity, the leakage protection circuit board sends a monitored leakage signal to the circuit board of the circuit breaker body, and the circuit board controls the circuit breaker body to execute the leakage tripping action, so that the leakage protection function is realized; when the circuit breaker without the leakage protection function requires to realize the leakage function, the leakage protection module is assembled on the circuit breaker body, and the conductive plate in the leakage protection module is fixedly connected with the wiring board of the circuit breaker body by using the screw, so that the leakage circuit breaker is formed. Therefore, the development of the circuit breaker towards the direction of intelligent protection function, small size and modular structure is realized. And the cost is reduced, and the requirement of a customer can be met more quickly. Therefore, the electronic molded case circuit breaker of the external leakage protection module has the advantages of simple structure, reliable performance and convenience in assembly.
Claims (3)
1. The utility model provides an electronic type moulded case circuit breaker of external earth leakage protection module, includes circuit breaker body, the earth leakage protection module of being connected with circuit breaker body electricity, its characterized in that: the earth leakage protection module include the casing of assembling mutually with the shell of circuit breaker body, set up the earth leakage protection subassembly in the casing, the casing include the base, set up the lid on the base, the earth leakage protection subassembly including set up in the lid and with the earth leakage protection circuit board that the circuit board electricity of circuit breaker body is connected, set up in the base and with the zero sequence transformer that the earth leakage protection circuit board electricity is connected, four current conducting plates that set up respectively in the base, the one end of four current conducting plates extend respectively outside the base and be connected with the wiring board of circuit breaker body, the current conducting plate other end pass zero sequence transformer respectively and be provided with the wiring hole that exposes outside the base.
2. The external earth leakage protection module of the electronic molded case circuit breaker of claim 1, wherein: the cover body is provided with a containing groove, the leakage protection circuit board is arranged in the containing groove, the cover body is provided with a cover plate covering the leakage protection circuit, and the cover plate is provided with a button hole for the button of the leakage protection circuit board to pass through.
3. The external earth leakage protection module electronic molded case circuit breaker according to claim 1 or 2, wherein: one side of base, lid on be provided with the joint sand grip respectively, one side of the shell of circuit breaker body on be provided with joint sand grip cooperation draw-in groove, joint sand grip block in the draw-in groove, and constitute the joint cooperation of base, lid and shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161681.XU CN213816012U (en) | 2020-12-24 | 2020-12-24 | Electronic molded case circuit breaker of external leakage protection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023161681.XU CN213816012U (en) | 2020-12-24 | 2020-12-24 | Electronic molded case circuit breaker of external leakage protection module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213816012U true CN213816012U (en) | 2021-07-27 |
Family
ID=76947728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023161681.XU Active CN213816012U (en) | 2020-12-24 | 2020-12-24 | Electronic molded case circuit breaker of external leakage protection module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213816012U (en) |
-
2020
- 2020-12-24 CN CN202023161681.XU patent/CN213816012U/en active Active
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