CN203119457U - Combination circuit breaker - Google Patents
Combination circuit breaker Download PDFInfo
- 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
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- 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
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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
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.
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)
| 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 |
-
2013
- 2013-01-28 CN CN 201320043667 patent/CN203119457U/en not_active Expired - Fee Related
Cited By (2)
| 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 |