CN203055823U - Novel electric leakage circuit breaker - Google Patents
Novel electric leakage circuit breaker Download PDFInfo
- Publication number
- CN203055823U CN203055823U CN 201320038191 CN201320038191U CN203055823U CN 203055823 U CN203055823 U CN 203055823U CN 201320038191 CN201320038191 CN 201320038191 CN 201320038191 U CN201320038191 U CN 201320038191U CN 203055823 U CN203055823 U CN 203055823U
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- utmost point
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- support
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Abstract
The utility model relates to a novel electric leakage circuit breaker. During the design of a present breaker's N pole, a four-bar linkage structure cannot be realized such that an operating handle in use is subjected to clamping stagnation when returning, rapid breaking of a contact cannot be realized and breaking capacity of the product is influenced. The utility model mainly solves the above problem. An N pole link gear of the breaker provided by the utility model contains an N pole contact support, an N pole moving contact and an N pole fixed contact. The N pole fixed contact is connected with an N pole amphenol connector. The N pole moving contact is installed on the N pole contact support and fits with the N pole fixed contact. The N pole contact support is hinged in a shell and is in a linkage connection with an operating mechanism. A leakage indicator member is in a linkage connection with the N pole contact support. By N pole design, the electric leakage circuit breaker is driven by the operating mechanism to realize linkage. Thus, the electric leakage circuit breaker has good linkage performance and high flexibility, the clamping stagnation phenomenon happened when the operating handle returns is effectively avoided, and rapid breaking of the contact can be realized so as to effectively raise the breaking capacity of the product.
Description
Technical field
The utility model relates to a kind of circuit breaker, refers in particular to a kind of new pattern creepage breaker.
Background technology
Residual current circuit breaker is aesthetic in appearance, and volume is little, and is in light weight, and the breaking capacity height is threaded off rapidly, and guide rail is installed, and housing and parts adopt high flame retardant and impact resistant plastics, and function admirable is reliable.Circuit breaker is by shell, handle, and operating mechanism, contact system, thermal overload release, magnetic release and arc-extinguish chamber are formed.The closing of power circuit breaker electric current, bimetal leaf heating distortion is when current overload acquires a certain degree; the excessive degree distortion of bimetal leaf promotes the release action; when release passed through Short-Circuit High Current, electromagnetic system promoted the release action immediately, thereby played the effect of protection power consumption equipment.
Existing residual current circuit breaker has L utmost point project organization, control disjunction or the closure of L utmost point moving contact by the control system of the L utmost point, and be the contact disjunction of the control N utmost point, at N utmost point design cutting system, and N utmost point when design can not with operating mechanism in four-bar linkage structure be linked, and causing it in use to have catching phenomenon during the operating grip return, contact disjunction fast influences the product breaking capacity.
Summary of the invention
For shortcoming and the weak point that overcomes background technology, the utility model provides a kind of drive mechanism of frame circuit breaker, solve when the existing residual current action breaker N utmost point designs and to realize four-bar linkage structure, and cause the catching phenomenon of operating grip when return in use, contact disjunction fast influences the product breaking capacity.
The technical solution of the utility model is: a kind of new pattern creepage breaker, comprise housing, operating mechanism, tripping system, arc quenching system, the electric leakage indication piece, L utmost point moving contact, L utmost point fixed contact, L utmost point binding post and N utmost point binding post, described tripping system comprises dropout actuator and release, described L utmost point moving contact matches with L utmost point fixed contact by described operating mechanism, described release constitutes dropout with operating mechanism and cooperates, described L utmost point fixed contact is connected with L utmost point binding post, be provided with N utmost point link gear in the described housing, described N utmost point link gear comprises the support of N utmost point contact, N utmost point moving contact and N utmost point fixed contact, described N utmost point fixed contact is connected with N utmost point binding post, described N utmost point moving contact is installed in the support of N utmost point contact and with described N utmost point fixed contact and matches, the support of described N utmost point contact is articulated in the housing and with described operating mechanism and is connected, and described electric leakage indication piece and the support of described N utmost point contact are connected.
Described operating mechanism comprises that handle, connecting rod, snap close, tripping, lever and L are extremely tactile
Head supports that described handle is connected by connecting rod and lever, and described lever and the support of L utmost point contact are connected, and described L utmost point moving contact is installed on L utmost point contact and supports that described N utmost point contact support and the support of described L utmost point contact are connected.
The support of described L utmost point contact fixedly has drive rod, and the support of described N utmost point contact is provided with recessed
Groove, described drive rod stretch into that described groove constitutes described L utmost point contact support and the support of N utmost point contact is connected.
One end of described electric leakage indication piece is provided with block, and the other end is connected on the housing by spring, and the support of described N utmost point contact is provided with the jacking block that cooperates the slippage of the described electric leakage indication piece of formation with described block roof pressure.
The support of described N utmost point contact is Z-shaped, comprise installation portion, connecting portion and operating portion, described installation portion is connected with operating portion by connecting portion, described jacking block is connected with the operating portion one, described installation portion is provided with the cylinder that N utmost point moving contact is installed, and described installation portion is provided with N utmost point moving contact and constitutes the spacing guide vane end stop that cooperates.
Described housing is provided with the leak(age) test button, described leak(age) test button and N utmost point contact
Support matches.
The utlity model has following beneficial effect: realize interlock because this residual current circuit breaker drives by operating mechanism by the design of the N utmost point, during dropout, the design of the N utmost point is moved with operating mechanism, linkage is good, the flexibility height, the catching phenomenon of effectively avoiding operating grip when return, to exist, contact disjunction fast, thus effectively improve the breaking capacity of product.
Description of drawings
Fig. 1 is the utility model internal structure schematic diagram.
Fig. 2 is the structural representation of the inner opposite side of the utility model.
Fig. 3 is the utility model internal structure schematic diagram.
Fig. 4 is the cutaway view that the support of L utmost point contact cooperates with the support of N utmost point contact in the utility model.
Fig. 5 is N utmost point contact supporting structure schematic diagram in the utility model.
Among the figure, housing 1, L utmost point moving contact 2, L utmost point fixed contact 3, L utmost point binding post 4, N utmost point binding post 5, electric leakage indication piece 6, dropout actuator 7, release 8, N utmost point contact supports 9, installation portion 91, connecting portion 92, operating portion 93, N utmost point moving contact 10, N utmost point fixed contact 11, handle 12, connecting rod 13, snap close 14, tripping 15, lever 16, L utmost point contact supports 17, drive rod 18, groove 19, block 20, spring 21, jacking block 22, cylinder 23, guide vane end stop 24, leak(age) test button 25, back-moving spring 26.
Embodiment
At accompanying drawing embodiment of the present utility model is described further below:
Shown in figure, a kind of new pattern creepage breaker, comprise housing 1, operating mechanism, tripping system, arc quenching system, L utmost point moving contact 2, L utmost point fixed contact 3, L utmost point binding post 4, N utmost point binding post 5 and electric leakage indication piece 6, described tripping system comprises dropout actuator 7 and release 8, described L utmost point moving contact 2 matches with L utmost point fixed contact 3 by described operating mechanism, described release 8 constitutes dropout with operating mechanism and cooperates, described L utmost point fixed contact 3 is connected with L utmost point binding post 4, be provided with N utmost point link gear in the described housing 1, described N utmost point link gear comprises N utmost point contact support 9, N utmost point moving contact 10 and N utmost point fixed contact 11, described N utmost point fixed contact 11 is connected with N utmost point binding post 5, described N utmost point moving contact 10 is installed in the N utmost point contact support 9 and with described N utmost point fixed contact 11 and matches, described N utmost point contact support 9 is articulated in the housing 1 and with described operating mechanism and is connected, and described electric leakage indication piece 6 is connected with described N utmost point contact support 9.Because this residual current circuit breaker drives by operating mechanism by the design of the N utmost point and realizes interlock, during dropout, the design of the N utmost point is moved with operating mechanism, linkage is good, the flexibility height, the catching phenomenon of effectively avoiding operating grip when return, to exist, contact disjunction fast, thus effectively improve the breaking capacity of product.
In the utility model, described operating mechanism comprises handle 12, connecting rod 13, snap close 14, tripping 15, lever 16 and L utmost point contact support 17, described handle 12 is connected by connecting rod 13 and lever 16, described lever 16 is connected with L utmost point contact support 17, described L utmost point moving contact 2 is installed on L utmost point contact and supports that on 17, described N utmost point contact support 9 is connected with described L utmost point contact support 17.Described L utmost point contact support 17 fixedly has drive rod 18, and described N utmost point contact support 9 is provided with groove 19, and described drive rod 18 stretches into the support 17 of the described L utmost point contact of described groove 19 formations and is connected with N utmost point contact support 9.Linking with L utmost point contact support 17 by N utmost point contact support 9 is connected, and realizes contact closure and quick disjunction by the quadric chain of the L utmost point, and the product breaking capacity is good.
In the utility model, an end of described electric leakage indication piece 6 is provided with block 20, and the other end is connected on the housing 1 by spring 21, and described N utmost point contact support 9 is provided with described block 20 roof pressures and cooperates the jacking block 22 that constitutes described electric leakage indication piece 6 slippages.Support 9 to drive electric leakage indication piece 6 by N utmost point contact, linkage is good, and stability is high.
In the utility model, described N utmost point contact supports that 9 is Z-shaped, comprise installation portion 91, connecting portion 92 and operating portion 93, described installation portion 91 is connected with operating portion 93 by connecting portion 92, described jacking block 22 is connected with operating portion 93 one, described installation portion 91 is provided with the cylinder 23 that N utmost point moving contact 10 is installed, and described installation portion 91 is provided with and the spacing guide vane end stop that cooperates 24 of N utmost point moving contact 10 formations.Connecting portion 92 is provided with hinge hole with the junction of installation portion 91, be articulated in housing by this hinge hole, N utmost point moving contact 10 is located on the cylinder of installation portion 91 and is provided with back-moving spring 26, described back-moving spring 26 is sheathed on the cylinder 23, the one end is stuck on the guide vane end stop 24, and the other end is connected with N utmost point moving contact 10.
When handle 2 moves to closing direction, connecting rod promotes lever 16 motions, the support 17 of L utmost point contact and tripping 15 hasps, make tripping 15 rotate motion, tripping this moment 15 and snap close 14 hasps, by snap close 14 lockings, L utmost point contact supports 17 to drive L utmost point moving contact and L utmost point fixed contact closure, N utmost point contact support meanwhile 9 is subjected to L utmost point contact to support 17 interlock, move, make N utmost point moving contact 10 and N utmost point fixed contact 11 closures, when handle 2 was closed fully, handle 2 was crossed the rotation dead point with connecting rod 13 pin joints, and mechanism is in the steady closure state because of contact terminate pressure, and N utmost point contact is supported block 20 on the 9 roof pressures electric leakages indication piece 6 to move to realize that indication changes, and the spring 21 generation elastic force that is stretched.Up to occurring because of circuit overload, short circuit, mechanism's release force that electric leakage produces, promote snap close 14, make tripping 15 and snap close 14 hasps discharge, L utmost point contact supports 17 to rotate, make L utmost point moving contact and L utmost point fixed contact disconnect, L utmost point contact support simultaneously 17 drives N utmost point contact supports 9 and rotates and make N utmost point moving contact 10 and 11 disjunctions of N utmost point fixed contact, realize that disjunction shows and electric leakage indication piece 6 is mobile under spring 21 restoring force effects, during circuit generation leaky, the work of dropout actuator makes release drive by L utmost point contact support 17 drive electric leakage indication pieces 6 and gets back to the disjunction state.
In the utility model, described housing 1 is provided with leak(age) test button 25, and described leak(age) test button 25 matches with N utmost point contact support 9.During leak(age) test; press the leak(age) test button; button is electrically connected with N utmost point moving contact 10 and N utmost point fixed contact 11, by zero sequence current mutual inductor, to leakage current identify the electric sub-member plate that amplifies the output services signal, exectorial dropout actuator is realized threading off, and realizes earth leakage protective.
Embodiment should not be considered as the restriction to utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.
Claims (6)
1. new pattern creepage breaker, comprise housing (1), operating mechanism, tripping system, arc quenching system, L utmost point moving contact (2), L utmost point fixed contact (3), L utmost point binding post (4), N utmost point binding post (5) and electric leakage indication piece (6), described tripping system comprises dropout actuator (7) and release (8), described L utmost point moving contact (2) matches with L utmost point fixed contact (3) by described operating mechanism, described release (8) constitutes dropout with operating mechanism and cooperates, described L utmost point fixed contact (3) is connected with L utmost point binding post (4), it is characterized in that: be provided with N utmost point link gear in the described housing (1), described N utmost point link gear comprises N utmost point contact support (9), N utmost point moving contact (10) and N utmost point fixed contact (11), described N utmost point fixed contact (11) is connected with N utmost point binding post (5), described N utmost point moving contact (10) is installed on N utmost point contact and supports (9) upward and with described N utmost point fixed contact (11) to match, described N utmost point contact support (9) is articulated in the housing (1) and with described operating mechanism and is connected, and described electric leakage indication piece (6) supports (9) to be connected with described N utmost point contact.
2. new pattern creepage breaker according to claim 1 is characterized in that described manipulator
Structure comprises handle (12), connecting rod (13), snap close (14), tripping (15), lever (16) and L utmost point contact support (17), described handle (12) is connected by connecting rod (13) and lever (16), described lever (16) supports (17) to be connected with L utmost point contact, described L utmost point moving contact (2) is installed on L utmost point contact and supports on (17), and described N utmost point contact supports (9) and described L utmost point contact to support (17) to be connected.
3. new pattern creepage breaker according to claim 2, it is characterized in that described L utmost point contact support (17) fixedly has drive rod (18), described N utmost point contact supports (9) to be provided with groove (19), and described drive rod (18) stretches into the described L utmost point contact of described groove (19) formation and supports (17) and N utmost point contact to support (9) to be connected.
4. according to claim 1 or 2 or 3 described new pattern creepage breakers, an end that it is characterized in that described electric leakage indication piece (6) is provided with block (20), the other end is connected on the housing (1) by spring (21), and described N utmost point contact supports (9) to be provided with the jacking block (22) that cooperates the slippage of formation described electric leakage indication piece (6) with described block (20) roof pressure.
5. new pattern creepage breaker according to claim 4 is characterized in that described N is extremely tactile
Head supports that (9) are Z-shaped, comprise installation portion (91), connecting portion (92) and operating portion (93), described installation portion (91) is connected with operating portion (93) by connecting portion (92), described jacking block (22) is connected with operating portion (93) one, described installation portion (91) is provided with the cylinder (23) that N utmost point moving contact (10) is installed, and described installation portion (91) is provided with and N utmost point moving contact (10) the formation spacing guide vane end stop that cooperates (24).
6. according to claim 1 or 2 or 3 described new pattern creepage breakers, it is characterized in that described housing (1) is provided with leak(age) test button (25), described leak(age) test button (25) supports (9) to match with N utmost point contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038191 CN203055823U (en) | 2013-01-24 | 2013-01-24 | Novel electric leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320038191 CN203055823U (en) | 2013-01-24 | 2013-01-24 | Novel electric leakage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055823U true CN203055823U (en) | 2013-07-10 |
Family
ID=48738750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320038191 Withdrawn - After Issue CN203055823U (en) | 2013-01-24 | 2013-01-24 | Novel electric leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203055823U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065885A (en) * | 2013-01-24 | 2013-04-24 | 浙江天正电气股份有限公司 | Novel earth leakage circuit breaker |
| CN106783423A (en) * | 2017-01-13 | 2017-05-31 | 乐清市也为电气有限公司 | A kind of operating mechanism of electric switch |
| CN106783426A (en) * | 2017-01-13 | 2017-05-31 | 乐清市也为电气有限公司 | A kind of electric switch |
| CN108321053A (en) * | 2018-01-11 | 2018-07-24 | 浙江天正电气股份有限公司 | A kind of leakage circuit breakers |
-
2013
- 2013-01-24 CN CN 201320038191 patent/CN203055823U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065885A (en) * | 2013-01-24 | 2013-04-24 | 浙江天正电气股份有限公司 | Novel earth leakage circuit breaker |
| CN103065885B (en) * | 2013-01-24 | 2015-06-03 | 浙江天正电气股份有限公司 | Novel earth leakage circuit breaker |
| CN106783423A (en) * | 2017-01-13 | 2017-05-31 | 乐清市也为电气有限公司 | A kind of operating mechanism of electric switch |
| CN106783426A (en) * | 2017-01-13 | 2017-05-31 | 乐清市也为电气有限公司 | A kind of electric switch |
| CN108321053A (en) * | 2018-01-11 | 2018-07-24 | 浙江天正电气股份有限公司 | A kind of leakage circuit breakers |
| CN108321053B (en) * | 2018-01-11 | 2024-03-08 | 浙江天正电气股份有限公司 | Leakage circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150603 |
|
| RGAV | Abandon patent right to avoid regrant |