CN203119457U - Combination circuit breaker - Google Patents

Combination circuit breaker Download PDF

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Publication number
CN203119457U
CN203119457U CN 201320043667 CN201320043667U CN203119457U CN 203119457 U CN203119457 U CN 203119457U CN 201320043667 CN201320043667 CN 201320043667 CN 201320043667 U CN201320043667 U CN 201320043667U CN 203119457 U CN203119457 U CN 203119457U
Authority
CN
China
Prior art keywords
circuit breaker
combination circuit
electric leakage
protection device
combination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320043667
Other languages
Chinese (zh)
Inventor
米秀梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN JUNYUAN ELECTRIC TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
TIANJIN JUNYUAN ELECTRIC TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TIANJIN JUNYUAN ELECTRIC TECHNOLOGY DEVELOPMENT Co Ltd filed Critical TIANJIN JUNYUAN ELECTRIC TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN 201320043667 priority Critical patent/CN203119457U/en
Application granted granted Critical
Publication of CN203119457U publication Critical patent/CN203119457U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a combination circuit breaker. The combination circuit breaker comprises a first circuit breaker and a second circuit breaker; an input end of the first circuit breaker is connected with an electric leakage protection device; an output end of the second circuit breaker is connected with a lightning protection device; the output end of the second circuit breaker is further connected with a monitoring device; and the monitoring device is connected with an alarm. When the combination circuit breaker is used, electric leakage of the combination circuit breaker can be effectively prevented through the electric leakage protection device; lightning stroke can be avoided through the lightning protection device; and unstable factors in a circuit can be detected through the monitoring device and the alarm, such that a user can be prompted timely. The combination circuit breaker of the utility model has the following advantages that: 1, rated current and breaking capacity are improved, the application range of the product is expanded; 2, the combination circuit breaker enables great economic benefits and can meet needs of large-capacity power lines; and 3, the combination circuit breaker is further advantageous in excellent anti-electric leakage and anti-lightning effects, simple structure, convenient usage and installation, simple operation, safety and reliability.

Description

A kind of combination circuit breaker
Technical field
The utility model relates to a kind of combination circuit breaker.
Background technology
In jumbo power circuit; need corresponding jumbo circuit breaker; could realize distributing the purpose of electric energy and protection circuit; but the production of the circuit breaker of big specification will drop into a large amount of production equipments and raw material, manufacturing cost height, high material consumption; production cycle is long under the situation that net capacity increases at present; the circuit breaker of low capacity can not satisfy required, and does not all have earth leakage protective and lightning protection device in the existing circuit breaker, and these bring loss all can for the user in use.
The utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model provides a kind of combination circuit breaker; compare with existing combination circuit breaker; difference is by set earth leakage protective device; can effectively prevent its electric leakage; can effectively avoid thunderbolt by set lightning protection device; by set monitoring device and alarm, but the destabilizing factor in the testing circuit is in time reminded the user.
(2) technical scheme
For addressing the above problem, the utility model adopts following technical scheme:
A kind of combination circuit breaker; comprise first circuit breaker and second circuit breaker; described first circuit breaker and second circuit breaker are pressed input direction and outbound course series connection; the input of described first circuit breaker is connected with earth leakage protective device; the output of described second circuit breaker is connected with lightning protection device; the output of described second circuit breaker also is connected with monitoring device; described monitoring device is connected with alarm; the A of described first circuit breaker mutually with B mutually and connect and be formed with the first phase busbar; the C of described first circuit breaker mutually and the A of second circuit breaker mutually and connect and be formed with second busbar, the B phase of described second circuit breaker and C are mutually and connect and be formed with the 3rd busbar.
As optimized technical scheme, be provided with the electric leakage instrument transformer in the described earth leakage protective device, described electric leakage instrument transformer is installed in the input of earth leakage protective device.
As optimized technical scheme, described lightning protection device is in parallel with first circuit breaker and second circuit breaker, and links to each other with ground.
(3) beneficial effect
The utility model is compared to prior art, has following beneficial effect: 1. improved rated current and breaking capacity, enlarged the product scope of application; 2. good in economic efficiency, the demand 3. that can satisfy the large-capacity power circuit is anticreep, anti-lightning strike effective, and simple in structure, use, easy for installation, simple to operate, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of a kind of combination circuit breaker of the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
A kind of combination circuit breaker of the present utility model; comprise first circuit breaker 1 and second circuit breaker 2; described first circuit breaker 1 and second circuit breaker 2 are pressed input direction and outbound course series connection; the input of described first circuit breaker 1 is connected with earth leakage protective device 3; the output of described second circuit breaker 2 is connected with lightning protection device 4; the output of described second circuit breaker 3 also is connected with monitoring device 5; described monitoring device 5 is connected with alarm 6; the A of described first circuit breaker 1 mutually 11 with B mutually 12 and connect and be formed with the first phase busbar 7; the C of described first circuit breaker 1 mutually 13 and the A of second circuit breaker 2 mutually 14 and connect and be formed with second busbar 8, and the B phase 15 of described second circuit breaker 2 and C mutually 16 and connect and be formed with the 3rd busbar 9.
Be provided with electric leakage instrument transformer 10 in the described earth leakage protective device 3, described electric leakage instrument transformer 10 is installed in the input of earth leakage protective device 3, by set electric leakage instrument transformer 10, can effectively sense the information of whether leaking electricity in the combination circuit breaker.
Described lightning protection device 4 is in parallel with first circuit breaker 1 and second circuit breaker 2, and links to each other with ground, by lightning protection device 4 is linked to each other with ground, more effectively plays lightning protection effect.
The beneficial effects of the utility model have: 1. improved rated current and breaking capacity, enlarged the product scope of application; 2. good in economic efficiency, the demand 3. that can satisfy the large-capacity power circuit is anticreep, anti-lightning strike effective, and simple in structure, use, easy for installation, simple to operate, safe and reliable.
Certainly, more than only be concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.

Claims (3)

1. combination circuit breaker; comprise first circuit breaker and second circuit breaker; it is characterized in that: described first circuit breaker and second circuit breaker are pressed input direction and outbound course series connection; the input of described first circuit breaker is connected with earth leakage protective device; the output of described second circuit breaker is connected with lightning protection device; the output of described second circuit breaker also is connected with monitoring device; described monitoring device is connected with alarm; the A of described first circuit breaker mutually with B mutually and connect and be formed with the first phase busbar; the C of described first circuit breaker mutually and the A of second circuit breaker mutually and connect and be formed with second busbar, the B phase of described second circuit breaker and C are mutually and connect and be formed with the 3rd busbar.
2. combination circuit breaker according to claim 1, it is characterized in that: be provided with the electric leakage instrument transformer in the described earth leakage protective device, described electric leakage instrument transformer is installed in the input of earth leakage protective device.
3. combination circuit breaker according to claim 2, it is characterized in that: described lightning protection device is in parallel with first circuit breaker and second circuit breaker, and links to each other with ground.
CN 201320043667 2013-01-28 2013-01-28 Combination circuit breaker Expired - Fee Related CN203119457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320043667 CN203119457U (en) 2013-01-28 2013-01-28 Combination circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320043667 CN203119457U (en) 2013-01-28 2013-01-28 Combination circuit breaker

Publications (1)

Publication Number Publication Date
CN203119457U true CN203119457U (en) 2013-08-07

Family

ID=48899774

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320043667 Expired - Fee Related CN203119457U (en) 2013-01-28 2013-01-28 Combination circuit breaker

Country Status (1)

Country Link
CN (1) CN203119457U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106159879A (en) * 2016-08-26 2016-11-23 章则明 A kind of combined mass circuit breaker system
CN108321047A (en) * 2018-02-02 2018-07-24 深圳曼顿科技有限公司 Miniature circuit breaker with novel zero sequence mutual inductor installation structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106159879A (en) * 2016-08-26 2016-11-23 章则明 A kind of combined mass circuit breaker system
CN108321047A (en) * 2018-02-02 2018-07-24 深圳曼顿科技有限公司 Miniature circuit breaker with novel zero sequence mutual inductor installation structure

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130807

Termination date: 20160128

CF01 Termination of patent right due to non-payment of annual fee