CN201663123U - Earth leakage circuit breaker - Google Patents
Earth leakage circuit breaker Download PDFInfo
- Publication number
- CN201663123U CN201663123U CN2010201530178U CN201020153017U CN201663123U CN 201663123 U CN201663123 U CN 201663123U CN 2010201530178 U CN2010201530178 U CN 2010201530178U CN 201020153017 U CN201020153017 U CN 201020153017U CN 201663123 U CN201663123 U CN 201663123U
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- CN
- China
- Prior art keywords
- overcurrent
- module housing
- torsion spring
- earth leakage
- electric leakage
- Prior art date
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Abstract
The utility model discloses an earth leakage circuit breaker, which comprises an overcurrent protection module and an earth leakage protection module. The overcurrent protection module comprises an overcurrent module shell, an overcurrent tripping mechanism which is arranged inside the overcurrent module shell, a wiring assembly and an overcurrent tripping indicating mechanism. The earth leakage protection module comprises an earth leakage module shell, an earth leakage tripping mechanism which is arranged inside the earth leakage module shell, a zero sequence transformer, a wiring assembly, an experimental button assembly and an earth leakage tripping indicating mechanism. The experimental button assembly comprises a button and a torsional spring which provides an elastic force for button reset. The torsional spring comprises a spiral mounting part and two linear elastic terminals. The mounting part of the torsional spring is arranged inside the overcurrent module shell, and two elastic terminals of the torsional spring are arranged in the earth leakage module shell. One elastic terminal is propped against at the bottom of the torsional spring, and the other elastic terminal is propped against the earth leakage module shell. The earth leakage circuit breaker has the advantages of simplified structure and easy processing manufacture.
Description
Technical field
The utility model belongs to the low tension switch technical field, is specifically related to a kind of residual current circuit breaker.
Background technology
Existing small-sized residual current circuit breaker, generally be with transship/overcurrent vreaker is used; After the tripping operation, be because overload/overcurrent tripping still owing to leakage tripping, need be provided with indication electric leakage indicating mechanism in residual current circuit breaker in order to allow the user know clearly.
Patent documentation CN1186798Y discloses a kind of residual current circuit breaker, the textural anomaly complexity of this kind electric leakage indicating mechanism, and difficulty of processing is higher and cost is higher.
The utility model content
The purpose of this utility model provides a kind of designs simplification, is easy to the electric leakage indicating mechanism that is used for residual current circuit breaker of processing and manufacturing.
The technical scheme that realizes the utility model purpose is: a kind of residual current circuit breaker comprises overcurrent protection module and leakage protection module; Described overcurrent protection module comprises the overcurrent module housing, is arranged on overcurrent tripping mechanism, connector assembly and overcurrent dropout indicating mechanism in the overcurrent module housing; Described leakage protection module comprises the electric leakage module housing, is arranged on electrical leakage tripping device, zero-sequence transformer, connector assembly, experiment button assembly and electric leakage dropout indicating mechanism in the electric leakage module housing; It is characterized in that: described experiment button assembly comprises button, the torsion spring of elastic force is provided for push-button reset; Described torsion spring comprises the installation portion of spiral form and the flexible terminal of two linearities; The installation portion of described torsion spring is arranged in the described overcurrent module housing, and two flexible terminals of described torsion spring are arranged in the electric leakage module housing, and one of them flexible terminal is against the bottom of torsion spring, and another flexible terminal is against on the electric leakage module housing.
In the technique scheme, be provided with the mounting groove that is used to put described torsion spring installation portion in the described overcurrent module housing, the corresponding position of described overcurrent module housing and electric leakage module housing is provided with open-work, and the flexible terminal of described torsion spring passes described open-work and extend in the affiliated electric leakage module housing.
In the technique scheme, the center axial direction of the installation portion of described torsion spring is parallel with the horizontal line direction.
The utlity model has positive effect: in (1) the utility model, described experiment button assembly comprises button, the torsion spring of elastic force is provided for push-button reset; Described torsion spring comprises the installation portion of spiral form and the flexible terminal of two linearities; The installation portion of described torsion spring is arranged in the described overcurrent module housing, and two flexible terminals of described torsion spring are arranged in the electric leakage module housing, and one of them flexible terminal is against the bottom of torsion spring, and another flexible terminal is against on the electric leakage module housing.This structure can make full use of the remaining space of overcurrent protection module, effectively simplifies the internal structure of leakage protection module, thus the advantage that has the processing and manufacturing of being easy to, reduces cost.
Description of drawings
Fig. 1 is a kind of perspective view of the present utility model;
Fig. 2 is a kind of perspective view of residual current circuit breaker shown in Figure 1 after removing part electric leakage module housing;
Fig. 3 is a kind of perspective view of residual current circuit breaker shown in Figure 2 after removing part overcurrent module housing;
Fig. 4 is a kind of perspective view of leakage protection module after removing partial shell in the residual current circuit breaker shown in Figure 1;
Fig. 5 is a kind of perspective view of leakage protection module shown in Figure 4 after removing electric leakage dropout indicator board.
Be labeled as shown in the accompanying drawing: overcurrent protection module 1, overcurrent module housing 11, overcurrent tripping mechanism 12, connector assembly 13; overcurrent dropout indicating mechanism 14, handle 15, mounting groove 16, leakage protection module 2; electric leakage module housing 21, electrical leakage tripping device 22, coil 221, moving unshakable in one's determination 222; moving contact component 223, moving contact 224, moving contact supporter 225, draw-in groove 226; hook 227, zero-sequence transformer 23, connector assembly 24; experiment button assembly 25, button 251, torsion spring 252; installation portion 253, flexible terminal 254, rotating shaft 26; universal driving shaft 27, torsion spring 28, installation portion 281; flexible terminal 282, electric leakage dropout indicating mechanism 3, indicator board 31; plate body 311, baffle plate 312 is dialled plate 32.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 5 has shown a kind of embodiment of the present utility model, and wherein, Fig. 1 is a kind of perspective view of the present utility model; Fig. 2 is a kind of perspective view of residual current circuit breaker shown in Figure 1 after removing part electric leakage module housing; Fig. 3 is a kind of perspective view of residual current circuit breaker shown in Figure 2 after removing part overcurrent module housing; Fig. 4 is a kind of perspective view of leakage protection module after removing partial shell in the residual current circuit breaker shown in Figure 1; Fig. 5 is a kind of perspective view of leakage protection module shown in Figure 4 after removing electric leakage dropout indicator board.
Present embodiment is a kind of residual current circuit breaker, comprises overcurrent protection module 1 and leakage protection module 2; Described overcurrent protection module 1 comprises overcurrent module housing 11, is arranged on overcurrent tripping mechanism 12, connector assembly 13, overcurrent dropout indicating mechanism 14 and handle 15 in the overcurrent module housing 11; Described leakage protection module 2 comprises electric leakage module housing 21, is arranged on electrical leakage tripping device 22, zero-sequence transformer 23, connector assembly 24, experiment button assembly 25 and electric leakage dropout indicating mechanism 3 in the electric leakage module housing 21.
Described electric leakage dropout indicating module comprises double-colored district indicator board 31 and can do group plate 32 of reciprocal rotation in certain angle; Described electrical leakage tripping device 22 comprises coil 221 and moving unshakable in one's determination 222; It is characterized in that: described indicator board 31 comprises plate body 311 that is provided with two-color panel and the baffle plate 312 that is arranged on plate body 311 bottoms; Described group of plate 32 in doing reciprocal rotating process, stir described baffle plate 312 and and then drive described plate body 311 and reciprocatingly move; When described tripping mechanism was carried out the separating brake action, described moving unshakable in one's determination 222 promote to dial plate 32 rotated towards the direction away from described coil 221.
Described electrical leakage tripping device 22 also comprises moving contact component 223; Described moving contact component 223 comprises moving contact 224 and moving contact supporter 225; Described group of plate 32 is arranged on the top of moving contact supporter 225.
The top of described moving contact supporter 225 is provided with draw-in groove 226, and described moving unshakable in one's determination 222 end is provided with hook 227, and described hook 227 is arranged in the described draw-in groove 226.
The bottom of described moving contact supporter 225 is rotated by rotating shaft 26 and is arranged on the housing, and the top of described moving contact supporter 225 is provided with universal driving shaft 27.
Described indicator board 31 plate bodys 311 are flat plate bodys, and described baffle plate 312 is two boss that are positioned at described plate body 311 bottoms; The outer ends of described group of plate 32 is between described two boss, and the described group of plate 32 done linear reciprocation and moved by stirring boss and then driving described plate body 311.
Described electric leakage dropout indicating module also comprises a torsion spring 28, and described torsion spring 28 comprises the installation portion 281 of spiral form and the flexible terminal 282 of two linearities, and the central axial direction of its installation portion 281 is parallel with vertical direction.
Described experiment button assembly 25 comprises button 251, provides the torsion spring of elastic force 252 for button 251 resets; Described torsion spring 252 comprises the installation portion 253 of spiral form and the flexible terminal 254 of two linearities; The installation portion 253 of described torsion spring 252 is arranged in the described overcurrent module housing 11, two flexible terminals 254 of described torsion spring 252 are arranged in the electric leakage module housing 21, one of them flexible terminal 254 is against the bottom of torsion spring 252, and another flexible terminal 254 is against on the electric leakage module housing 21.
Be provided with the mounting groove 16 that is used to put described torsion spring 252 installation portions 253 in the described overcurrent module housing 11, the corresponding position of described overcurrent module housing 11 and electric leakage module housing 21 is provided with open-work, and the flexible terminal 254 of described torsion spring 252 passes described open-work and extend in the affiliated electric leakage module housing 21.
Present embodiment has the following advantages: in (1) present embodiment, described experiment button assembly comprises button, the torsion spring of elastic force is provided for push-button reset; Described torsion spring comprises the installation portion of spiral form and the flexible terminal of two linearities; The installation portion of described torsion spring is arranged in the described overcurrent module housing, and two flexible terminals of described torsion spring are arranged in the electric leakage module housing, and one of them flexible terminal is against the bottom of torsion spring, and another flexible terminal is against on the electric leakage module housing.This structure can make full use of the remaining space of overcurrent protection module, effectively simplifies the internal structure of leakage protection module, thus the advantage that has the processing and manufacturing of being easy to, reduces cost.(2) in the present embodiment, the center axial direction of the installation portion of described torsion spring is parallel with the horizontal line direction.This structure can be so that the required installing space of described torsion spring in leakage protection module minimizes.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For the those of ordinary skill in described field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (3)
1. a residual current circuit breaker comprises overcurrent protection module (1) and leakage protection module (2); Described overcurrent protection module (1) comprises overcurrent module housing (11), is arranged on overcurrent tripping mechanism (12), connector assembly (13) and overcurrent dropout indicating mechanism (14) in the overcurrent module housing (11); Described leakage protection module (2) comprises electric leakage module housing (21), is arranged on electrical leakage tripping device (22), zero-sequence transformer (23), connector assembly (24), experiment button assembly (25) and electric leakage dropout indicating mechanism (3) in the electric leakage module housing (21); It is characterized in that: described experiment button assembly (25) comprises button (251), provides the torsion spring of elastic force (252) for button (251) resets; Described torsion spring (252) comprises the installation portion (253) of spiral form and the flexible terminal (254) of two linearities; The installation portion (253) of described torsion spring (252) is arranged in the described overcurrent module housing (11), two flexible terminals (254) of described torsion spring (252) are arranged in the electric leakage module housing (21), one of them flexible terminal (254) is against the bottom of torsion spring (252), and another flexible terminal (254) is against on the electric leakage module housing (21).
2. residual current circuit breaker according to claim 1, it is characterized in that: be provided with the mounting groove (16) that is used to put described torsion spring (252) installation portion (253) in the described overcurrent module housing (11), the corresponding position of described overcurrent module housing (11) and electric leakage module housing (21) is provided with open-work, and the flexible terminal (254) of described torsion spring (252) passes described open-work and extend in the affiliated electric leakage module housing (21).
3. residual current circuit breaker according to claim 1 is characterized in that: the center axial direction of the installation portion (253) of described torsion spring (252) is parallel with the horizontal line direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201530178U CN201663123U (en) | 2010-04-06 | 2010-04-06 | Earth leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201530178U CN201663123U (en) | 2010-04-06 | 2010-04-06 | Earth leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663123U true CN201663123U (en) | 2010-12-01 |
Family
ID=43233544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201530178U Expired - Fee Related CN201663123U (en) | 2010-04-06 | 2010-04-06 | Earth leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762027A (en) * | 2016-04-14 | 2016-07-13 | 浙江天正电气股份有限公司 | Electric leakage circuit breaker and electric leakage indicating device thereof |
-
2010
- 2010-04-06 CN CN2010201530178U patent/CN201663123U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762027A (en) * | 2016-04-14 | 2016-07-13 | 浙江天正电气股份有限公司 | Electric leakage circuit breaker and electric leakage indicating device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20130406 |