CN204577387U - A kind of residual current circuit breaker mechanism for testing - Google Patents
A kind of residual current circuit breaker mechanism for testing Download PDFInfo
- Publication number
- CN204577387U CN204577387U CN201520338590.9U CN201520338590U CN204577387U CN 204577387 U CN204577387 U CN 204577387U CN 201520338590 U CN201520338590 U CN 201520338590U CN 204577387 U CN204577387 U CN 204577387U
- Authority
- CN
- China
- Prior art keywords
- button
- test bench
- circuit breaker
- residual current
- spring
- 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.)
- Active
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a kind of residual current circuit breaker mechanism for testing, comprise housing, described housing two ends are all provided with binding post, Test bench is provided with in described housing, it is characterized in that: described Test bench is provided with button and conducting strip, described conducting strip and binding post couple, spring is provided with between described button and pedestal, one end and the button of described spring are fixed, the other end is connected with pedestal, described Test bench is socketed with torsion spring, described torsion spring comprise stiff end and the tache motorice for conflicting with conducting strip, the other end binding post of described stiff end and facing conductive sheet couples, described tache motorice and button are conflicted, described button is provided with backstay, described Test bench is provided with through hole, described backstay is plugged in through hole, by backstay is inserted in through hole, make there is a positioning action when button is fit into, accurately be fit in Test bench.
Description
Technical field
The utility model relates to circuit breaker, and more particularly, it relates to a kind of residual current circuit breaker mechanism for testing.
Background technology
Residual current circuit breaker, can the switch of auto-action when in circuit, leakage current exceedes predetermined value.Conventional residual current circuit breaker is divided into voltage-type and current mode two class, and current mode is divided into electromagnetic type and electron type two kinds.Residual current circuit breaker is used for preventing the person from getting an electric shock, and should require to select according to the difference of direct contact and indirect contact two kinds of prevention of electric shock.
At present, application number on market is that the Chinese patent of CN201420759799.8 discloses a kind of residual current circuit breaker, comprise insulation crust, linkage, trip gear, experimental rig, this experimental rig comprises test resistance, test button, reset assembly, experimental rig also comprises the second electrical connector and the first electrical connector, this first electrical connector to be installed in insulation crust and to be provided with first link relative with the second electrical connector and second link relative with linkage, linkage comprises the 3rd electrical connector, 3rd electrical connector contacts to form with the second link of the first electrical connector when handle drives linkage makes breaker closing and is electrically connected, the second link when handle drives linkage makes circuit breaker tripping away from the first electrical connector removes electrical connection, second electrical connector is installed on test button and will contacts the electrical connection of formation first electrical connector and test resistance with the first electrical connector and test resistance respectively when test button is pressed.
But not location structure around its test button of this residual current circuit breaker, therefore, in use and installation process, is easy to depart from, thus cause switch cannot alignment springs and torsion spring, experimental rig is played a role.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of durable type door lock.
For achieving the above object, the utility model provides following technical scheme:
A kind of residual current circuit breaker mechanism for testing, comprise housing, described housing two ends are all provided with binding post, Test bench is provided with in described housing, it is characterized in that: described Test bench is provided with button and conducting strip, described conducting strip and binding post couple, spring is provided with between described button and pedestal, one end and the button of described spring are fixed, the other end is connected with pedestal, described Test bench is socketed with torsion spring, described torsion spring comprise stiff end and the tache motorice for conflicting with conducting strip, described stiff end and facing conductive sheet couple with the binding post at housing two ends respectively, described tache motorice and button are conflicted, described button is provided with backstay, described Test bench is provided with through hole, described backstay is plugged in through hole.
By adopting technique scheme, in residual current circuit breaker, by being arranged on the comparator in Test bench, compared by turnover circuit, thus judge whether drain conditions occurs, residual current circuit breaker can be provided with bypass circuit, by pressing button, artificial connection bypass circuit, causes artificial electric leakage, whether effectively detects residual current circuit breaker.When pressing button, the spring be arranged between button and Test bench first can be made to compress, the mobile terminal being arranged on torsion spring can be driven afterwards towards the conducting strip motion be arranged on Test bench, conducting strip is contacted with tache motorice.The stiff end of torsion spring is connected with one of them binding post at housing two ends; and conducting strip is connected with another binding post on shell, and torsion spring is metal material, connects the binding post being arranged on shell two ends; make closing of power circuit breaker, thus judge that whether residual current circuit breaker earth leakage protective is effective.Simultaneously under the acting in conjunction of torsion spring and spring, release button just can make button resilience.Make button can be permanently effective, even if torsion spring is because of fatigue failure, under the action of the spring, button still effectively works.Same, even if spring is because of fatigue failure, as long as torsion spring is also effective, then button equally also can be permanently effective.Extend the useful life of residual current circuit breaker button.Simultaneously by backstay is inserted in through hole, make there is a positioning action when button is fit into, be accurately fit in Test bench.
The utility model is set to further: described button is provided with groove, and described tache motorice is absorbed in groove.
By adopting technique scheme, be trapped in groove by tache motorice, the tache motorice of torsion spring can be fixed with button exactly, and when not easily occurring in Long-Time Service, the tache motorice of torsion spring is deviate from from button, causes and cannot connect bypass circuit.Meanwhile, also facilitate the installation of circuit breaker, torsion spring can accurately be installed.
The utility model is set to further: described Test bench is provided with boss, and described spring one end is socketed on boss.
By adopting technique scheme, by the setting of boss, making spring to be firmly fixed on Test bench, also facilitating the assembling of residual current circuit breaker simultaneously.
Accompanying drawing explanation
Fig. 1 is the overall detonation configuration figure of a kind of residual current circuit breaker of the utility model mechanism for testing embodiment;
Fig. 2 is the overall structure figure of a kind of residual current circuit breaker mechanism for testing of the utility model embodiment;
Fig. 3 is the A place partial enlarged drawing of a kind of residual current circuit breaker mechanism for testing of the utility model embodiment.
Reference numeral: 1, housing; 2, Test bench; 3, button; 4, conducting strip; 5, spring; 6, torsion spring; 7, stiff end; 8, tache motorice; 9, groove; 10, boss; 11, backstay; 12, through hole.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of residual current circuit breaker mechanism for testing of the utility model embodiment is described further.
A kind of residual current circuit breaker mechanism for testing, comprise housing 1, described housing 1 two ends are all provided with binding post, Test bench 2 is provided with in described housing 1, it is characterized in that: described Test bench 2 is provided with button 3 and conducting strip 4, described conducting strip 4 couples with binding post, spring 5 is provided with between described button 3 and pedestal, one end and the button 3 of described spring 5 are fixed, the other end is connected with pedestal, described Test bench 2 is socketed with torsion spring 6, described torsion spring 6 comprise stiff end 7 and the tache motorice 8 for conflicting with conducting strip 4, described stiff end 7 couples with the binding post at housing 1 two ends respectively with facing conductive sheet 4, described tache motorice 8 is conflicted with button 3, described button 3 is provided with backstay 11, described Test bench 2 is provided with through hole 12, described backstay 11 is plugged in through hole 12.Described button 3 is provided with groove 9, and described tache motorice 8 is absorbed in groove 9.Described Test bench 2 is provided with boss 10, and described spring 5 one end is socketed on boss 10.
By adopting technique scheme, in residual current circuit breaker, by being arranged on the comparator in Test bench 2, compared by turnover circuit, thus judge whether drain conditions occurs, residual current circuit breaker can be provided with bypass circuit, by pressing button 3, artificial connection bypass circuit, causes artificial electric leakage, whether effectively detects residual current circuit breaker.When pressing button 3, the spring 5 be arranged between button 3 and Test bench 2 first can be made to compress, the mobile terminal being arranged on torsion spring 6 can be driven afterwards to move towards the conducting strip 4 be arranged on Test bench 2, conducting strip 4 is contacted with tache motorice 8.The stiff end 7 of torsion spring 6 is connected with one of them binding post at housing 1 two ends; and conducting strip 4 is connected with another binding post on shell, and torsion spring 6 is metal material, connects the binding post being arranged on shell two ends; make closing of power circuit breaker, thus judge that whether residual current circuit breaker earth leakage protective is effective.Simultaneously under the acting in conjunction of torsion spring 6 and spring 5, release button 3 just can make button 3 resilience.Make button 3 can be permanently effective, even if torsion spring 6 is because of fatigue failure, under the effect of spring 5, button 3 still effectively works.Same, even if spring 5 is because of fatigue failure, as long as torsion spring 6 is also effectively, then button 3 equally also can be permanently effective.Extend the useful life of residual current circuit breaker button 3.Simultaneously by backstay 11 is inserted in through hole 12, make there is a positioning action when button 3 is fit into, be accurately fit in Test bench 2.
Be trapped in groove 9 by tache motorice 8, the tache motorice 8 of torsion spring 6 can be fixed with button 3 exactly, and when not easily occurring in Long-Time Service, the tache motorice 8 of torsion spring 6 is deviate from from button 3, causes and cannot connect bypass circuit.Meanwhile, also facilitate the installation of circuit breaker, torsion spring 6 can accurately be installed.
By the setting of boss 10, spring 5 firmly can be fixed on Test bench 2, also facilitate the assembling of residual current circuit breaker simultaneously.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. a residual current circuit breaker mechanism for testing, comprise housing, described housing two ends are all provided with binding post, Test bench is provided with in described housing, it is characterized in that: described Test bench is provided with button and conducting strip, described conducting strip and binding post couple, spring is provided with between described button and pedestal, one end and the button of described spring are fixed, the other end is connected with pedestal, described Test bench is socketed with torsion spring, described torsion spring comprise stiff end and the tache motorice for conflicting with conducting strip, described stiff end and facing conductive sheet couple with the binding post at housing two ends respectively, described tache motorice and button are conflicted, described button is provided with backstay, described Test bench is provided with through hole, described backstay is plugged in through hole.
2. a kind of residual current circuit breaker mechanism for testing according to claim 1, it is characterized in that: described button is provided with groove, described tache motorice is absorbed in groove.
3. a kind of residual current circuit breaker mechanism for testing according to claim 1, it is characterized in that: described Test bench is provided with boss, described spring one end is socketed on boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520338590.9U CN204577387U (en) | 2015-05-23 | 2015-05-23 | A kind of residual current circuit breaker mechanism for testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520338590.9U CN204577387U (en) | 2015-05-23 | 2015-05-23 | A kind of residual current circuit breaker mechanism for testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204577387U true CN204577387U (en) | 2015-08-19 |
Family
ID=53869987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520338590.9U Active CN204577387U (en) | 2015-05-23 | 2015-05-23 | A kind of residual current circuit breaker mechanism for testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204577387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510818A (en) * | 2015-12-30 | 2016-04-20 | 三信国际电器上海有限公司 | Breaker and testing device and method thereof |
| WO2022126335A1 (en) * | 2020-12-14 | 2022-06-23 | Abb S.P.A. | Adjustment mechanism for circuit breaker and corresponding circuit breaker |
-
2015
- 2015-05-23 CN CN201520338590.9U patent/CN204577387U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510818A (en) * | 2015-12-30 | 2016-04-20 | 三信国际电器上海有限公司 | Breaker and testing device and method thereof |
| CN105510818B (en) * | 2015-12-30 | 2019-02-05 | 三信国际电器上海有限公司 | Breaker and its experimental rig and method |
| WO2022126335A1 (en) * | 2020-12-14 | 2022-06-23 | Abb S.P.A. | Adjustment mechanism for circuit breaker and corresponding circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101814669B (en) | Safety socket with cross loop | |
| CN203787366U (en) | Residual current circuit breaker | |
| CN201503978U (en) | Rotary-switch socket | |
| CN204577387U (en) | A kind of residual current circuit breaker mechanism for testing | |
| CN108109888B (en) | Leakage protector | |
| CN204696674U (en) | A kind of surge protector through-flow greatly | |
| CN104810814A (en) | Chase-flow surge protector | |
| CN103268844B (en) | A kind of with mandatory dropout residual current earth fault earth leakage protective socket | |
| CN108233109B (en) | Two-hole type extension socket | |
| CN204651277U (en) | A kind of residual current circuit breaker with buckle | |
| CN205194991U (en) | Novel safety socket | |
| CN108288785B (en) | Tripolar on-off leakage protection plug | |
| CN107359089B (en) | Wall switch with overcurrent protection function | |
| CN203521318U (en) | High-power square temperature controller | |
| CN107727893B (en) | Easy-to-replace lightning arrester leakage ammeter suite | |
| CN211016980U (en) | Pressure-driven opening and closing wire clamp | |
| CN210074375U (en) | Temporary short circuit tool suitable for transformer substation protection device | |
| CN207052551U (en) | Switch on wall with overcurrent protection function | |
| CN104241037A (en) | Residual-current circuit breaker | |
| CN204495881U (en) | A kind of ammeter insertion terminal | |
| CN103560366A (en) | Leakage protection plug | |
| CN202749554U (en) | Self-clamping socket | |
| CN203339061U (en) | Reverse-support temperature protector | |
| CN201365036Y (en) | Circuit protection plug contact suppressing structure | |
| CN111244702A (en) | Socket and electric plug-in assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |