CN201060828Y - Electric leakage circuit breaker - Google Patents
Electric leakage circuit breaker Download PDFInfo
- Publication number
- CN201060828Y CN201060828Y CNU2007201102559U CN200720110255U CN201060828Y CN 201060828 Y CN201060828 Y CN 201060828Y CN U2007201102559 U CNU2007201102559 U CN U2007201102559U CN 200720110255 U CN200720110255 U CN 200720110255U CN 201060828 Y CN201060828 Y CN 201060828Y
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- leakage
- circuit board
- operating mechanism
- electronic circuit
- circuit breaker
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Abstract
The utility model relates to a leakage circuit breaker, belonging to leakage protection unit, comprising an insulating base (10) and a contactor (1), an operating mechanism (2), an over-current release (3), a wiring board (6), an electronic circuit board (7), a leakage release (8) and a leakage transformer (5) arranged on the insulating base (10); wherein, the leakage transformer (5) is arranged below the over-current release (3); a conductor (4) between the operating mechanism (2) and the over-current release (3) is protruded from the leakage transformer (5), and the output of the leakage transformer (5) is connected with the electronic circuit board (7); the leakage release (8) is connected with the output of the electronic circuit board (7) and the output of the leakage release (8) is connected with the operating mechanism (2). The leakage circuit breaker of the utility model has the advantages of reduced volume and low production cost.
Description
Technical field
The utility model relates to a kind of earth leakage protective device, relates in particular to a kind of residual current circuit breaker.
Background technology
Residual current circuit breaker kind in the market is a lot, its structure is made up of contact 1, operating mechanism 2, overcurrent trip 3, copper cash 9, terminal block 6, electric leakage instrument transformer 5, electronic circuit board 7 and leakage tripping device 8, and above-mentioned parts all tile and are installed on the insulating base 10.As accompanying drawing 4, shown in Figure 5, contact 1, operating mechanism 2, overcurrent trip 3, copper cash 9, terminal block 6 are connected successively, and copper cash 9 passes electric leakage instrument transformer 5, and the output of electric leakage instrument transformer 5 connects electronic circuit board 7.After leak current fault occurring, electric leakage instrument transformer 5 outputs signal to electronic circuit board 7,8 actions of electronic circuit board 7 control leakage tripping devices, and leakage tripping device 8 promotes operating mechanism 2 and realizes that switch separates the earth leakage protective effect of playing.The defective that existing residual current circuit breaker exists is: 1, all parts all tile and are installed on the insulator foot, and volume is bigger, and inner current loops is just longer, thereby the temperature rise of product is uprised, and has influenced properties of product; 2, the copper cash use amount is bigger, and production cost is very high.
Summary of the invention
Goal of the invention of the present utility model is in order to overcome the deficiency that existing electric leakage instrument transformer exists, the residual current circuit breaker that a kind of volume is little, production cost is low to be provided.
The technical solution of the utility model is: a kind of residual current circuit breaker, the contact, operating mechanism, overcurrent trip, terminal block, electronic circuit board, leakage tripping device and the electric leakage instrument transformer that comprise insulating base and be installed on the insulating base constitute, and contact, operating mechanism, overcurrent trip, terminal block connect successively; The electric leakage instrument transformer is installed in the below of overcurrent trip, and the lead between operating mechanism and the overcurrent trip passes the electric leakage instrument transformer, and the output of electric leakage instrument transformer connects electronic circuit board; Leakage tripping device connects the output of electronic circuit board, the output attended operation mechanism of leakage tripping device.
As preferably, described leakage tripping device adopts the fluid pressure type leakage tripping device.
A kind of residual current circuit breaker by the technical solution of the utility model design, the below that the electric leakage instrument transformer is installed overcurrent trip, it links to each other with lead between operating mechanism and the overcurrent trip, the residual current circuit breaker of installing with respect to existing tiling has following advantage: 1, volume reduces, not only be easy to install, and inner current loops shortens significantly, the temperature rise when making the product operation significantly reduces, caloric value reduces, the performance and the useful life of having improved product greatly; 2, the copper cash use amount reduces significantly, has reduced production cost of products.
Description of drawings
Fig. 1: example structure schematic diagram of the present utility model.
Fig. 2: the connection diagram of embodiment overcurrent trip 3 of the present utility model and electric leakage instrument transformer 5.
Fig. 3: embodiment theory diagram of the present utility model.
Fig. 4: the existing residual current circuit breaker structural representation of describing in the utility model background technology.
Fig. 5: the existing residual current circuit breaker theory diagram of describing in the utility model background technology.
Embodiment
Below in conjunction with accompanying drawing 1, Fig. 2, Fig. 3 the utility model is described further.
As Fig. 1, Fig. 2, a kind of residual current circuit breaker shown in Figure 3, comprise that insulating base 10, contact 1, operating mechanism 2, overcurrent trip 3, terminal block 6, electronic circuit board 7, leakage tripping device 8 and electric leakage instrument transformer 5 constitute.Wherein contact 1, operating mechanism 2, terminal block 6, electronic circuit board 7 and leakage tripping device 8 tilings are installed on the insulating base 10 below that electric leakage instrument transformer 5 is installed overcurrent trip 3.Contact 1, operating mechanism 2, overcurrent trip 3, terminal block 6 connect successively.Lead 4 between operating mechanism 2 and the overcurrent trip 3 passes electric leakage instrument transformer 5, and described lead 4 adopts copper cash.The output of electric leakage instrument transformer 5 connects electronic circuit board 7, and leakage tripping device 8 connects the output of electronic circuit board 7, the output attended operation mechanism 2 of leakage tripping device 8.Above-mentioned leakage tripping device 8 adopts the fluid pressure type leakage tripping device.
After leak current fault occurring, electric leakage instrument transformer 5 detects signal and signal is exported to electronic circuit board 7,8 actions of electronic circuit board 7 control leakage tripping devices, and leakage tripping device 8 promotes operating mechanism 2 and realizes that switch separates the earth leakage protective effect of playing.
Claims (2)
1. residual current circuit breaker, comprise insulating base (10) and be installed in contact (1) on the insulating base (10), operating mechanism (2), overcurrent trip (3), terminal block (6), electronic circuit board (7), leakage tripping device (8) and electric leakage instrument transformer (5) constitute, contact (1), operating mechanism (2), overcurrent trip (3), terminal block (6) connects successively, the instrument transformer (5) that it is characterized in that leaking electricity is installed in the below of overcurrent trip (3), lead (4) between operating mechanism (2) and the overcurrent trip (3) passes electric leakage instrument transformer (5), and the output of electric leakage instrument transformer (5) connects electronic circuit board (7); Leakage tripping device (8) connects the output of electronic circuit board (7), the output attended operation mechanism (2) of leakage tripping device (8).
2. a kind of residual current circuit breaker according to claim 1 is characterized in that described leakage tripping device (8) adopts the fluid pressure type leakage tripping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201102559U CN201060828Y (en) | 2007-06-05 | 2007-06-05 | Electric leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201102559U CN201060828Y (en) | 2007-06-05 | 2007-06-05 | Electric leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060828Y true CN201060828Y (en) | 2008-05-14 |
Family
ID=39409317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201102559U Expired - Lifetime CN201060828Y (en) | 2007-06-05 | 2007-06-05 | Electric leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060828Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105122415A (en) * | 2013-03-26 | 2015-12-02 | 松下知识产权经营株式会社 | Ground-fault-detecting tripping unit |
| CN107993897A (en) * | 2017-12-12 | 2018-05-04 | 上海电科电器科技有限公司 | Earth leakage circuit breaker |
-
2007
- 2007-06-05 CN CNU2007201102559U patent/CN201060828Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105122415A (en) * | 2013-03-26 | 2015-12-02 | 松下知识产权经营株式会社 | Ground-fault-detecting tripping unit |
| CN107993897A (en) * | 2017-12-12 | 2018-05-04 | 上海电科电器科技有限公司 | Earth leakage circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Tianmu Electric Power Technology Co.,Ltd. Assignor: Ding Wenjun Contract fulfillment period: 2008.1.8 to 2014.1.8 Contract record no.: 2009330000742 Denomination of utility model: Improved structure for electric leakage circuit breaker Granted publication date: 20080514 License type: Exclusive license Record date: 20090421 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.1.8 TO 2014.1.8; CHANGE OF CONTRACT Name of requester: HANGZHOU TIANMU POWER SCIENCE CO., LTD. Effective date: 20090421 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080514 |
|
| CX01 | Expiry of patent term |