CN110071023A - A kind of leakage circuit breakers testing button device and leakage circuit breakers - Google Patents
A kind of leakage circuit breakers testing button device and leakage circuit breakers Download PDFInfo
- Publication number
- CN110071023A CN110071023A CN201910463399.XA CN201910463399A CN110071023A CN 110071023 A CN110071023 A CN 110071023A CN 201910463399 A CN201910463399 A CN 201910463399A CN 110071023 A CN110071023 A CN 110071023A
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- China
- Prior art keywords
- testing button
- circuit breakers
- leakage circuit
- engaging portion
- button device
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- 238000012360 testing method Methods 0.000 title claims abstract description 113
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 238000005452 bending Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 235000014676 Phragmites communis Nutrition 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
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- Breakers (AREA)
Abstract
The present invention provides a kind of leakage circuit breakers testing button device and leakage circuit breakers, wherein leakage circuit breakers testing button device includes: engaging portion, is set on shell；Testing button is slidably mounted on shell, is provided at least one towards the side of engaging portion and can be abutted with engaging portion and flexible deformation occurs is elastically engaged portion, and when the portion of being elastically engaged resets, push to test button restores initial position；Movable contact spring links with testing button and is arranged, contacts or disconnect with static contact.Since the portion of being elastically engaged is to be arranged on the testing button, and the volume of testing button is larger with respect to pressure spring, facilitates control, and, in assembly, moderate finite deformation does not occur for the portion of being elastically engaged of testing button, and the resistance being subject in assembly is smaller, can also make to assemble laborsaving.In addition, it is only necessary to assemble testing button, spring plate and quiet elastic slice, compared with prior art, eliminate the setting and installation of pressure spring, structure member is less, and assembly process is simple, and production cost is low.
Description
Technical field
The present invention relates to leakage circuit breakers technical fields, and in particular to a kind of leakage circuit breakers testing button device and electric leakage
Breaker.
Background technique
Leakage circuit breakers is one kind in electric leakage, can be cut off the power rapidly, with the electric appliance peace for preventing electric shock accidents from occurring
Full device.Leakage circuit breakers includes testing button device and reset button apparatus, is clearly advised in specification GB13955 installing and using
Determining leakage circuit breakers testing button device must monthly press once, to determine that can the earth leakage protective device of leakage circuit breakers normal
Work.
Testing button device include testing button, for testing button provide reset biasing force pressure spring, be located at testing button
The reed of moving of lower section, and the quiet spring leaf opposite with reed of moving, move reed and quiet spring leaf pass through respectively conducting wire with
Circuit board electrical connection.When needing to start test function, testing button is pressed, the testing button of decline can be with moving below
Switch jaw contact, and push against reed of moving and move downward until its movable end is contacted with quiet spring leaf, so that test loop is connected；
When not needing using test function, stop pressing testing button, testing button will reset under the action of pressure spring, that is, restore
To position when not being pressed.Pressure spring is used in above-mentioned testing button device, pressure spring is the installation that is pressurized during installation, because of pressure
Spring has restorable trend, so that pressure spring is during installation and bad installation；And testing button device include test by
Button, pressure spring, move reed and quiet spring leaf, structure member is more, and assembly process is complicated, high production cost.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming the bad installation of testing button in the prior art, structure
Component is more, assembly process is complicated, the defect of high production cost, to provide, a kind of structure is simple, assembly process is simple, is produced into
This low leakage circuit breakers testing button device, and the leakage circuit breakers with the leakage circuit breakers testing button device.
For this purpose, the present invention provides a kind of leakage circuit breakers testing button device, comprising:
Engaging portion is set on shell；
Testing button is slidably mounted on shell, and the side of engaging portion is provided at least one can be with knot
Conjunction portion abutting generation flexible deformation is elastically engaged portion, and when the portion of being elastically engaged resets, push to test button restores initial position；
Static contact is arranged on shell；
Movable contact spring links with testing button and is arranged, contacts or disconnect with static contact.
As a preferred embodiment, the portion of being elastically engaged is the elastic arm extended towards engaging portion direction, the end of elastic arm with
Engaging portion abuts.
As a preferred embodiment, engaging portion is the baffle with the extending direction setting in a certain angle of elastic arm, elasticity
Arm can be abutted with the side walls towards elastic arm of baffle.
As a preferred embodiment, there are two oblique with the extending direction setting in a certain angle of elastic arm for engaging portion tool
Face, the intersection point on two inclined-planes are located at the side towards elastic arm of engaging portion, and there are two elastic arm tools, and two elastic arms respectively can be with
Corresponding inclined-plane slides against.
As a preferred embodiment, movable contact spring is fixedly mounted on testing button.
As a preferred embodiment, one end of the separate engaging portion of testing button forms the first card slot, the first card slot
Setting direction has the bending part for protruding into the first card slot on movable contact spring perpendicular to the moving direction of testing button.
As a preferred embodiment, the interconnecting piece connecting with bending part is provided on movable contact spring, interconnecting piece is parallel to test
It button moving direction and is conducted after testing button is pressed mobile setting position with static contact.
As a preferred embodiment, static contact is the conducting wire being connected on the second card slot of shell.
As a preferred embodiment, the both ends of testing button, which are formed, cooperates the block to offset with case top inner wall.
A kind of leakage circuit breakers, including breaker, and tested with the leakage circuit breakers as described above of breaker splicing
PBU pushbutton unit.
Technical solution of the present invention has the advantages that
1. leakage circuit breakers testing button device provided by the invention, including testing button, engaging portion, static contact and dynamic touching
Piece, testing button are slidably mounted on shell, and the side of engaging portion, which is provided at least one, to be supported with engaging portion
The raw flexible deformation of sending and receiving is elastically engaged portion, and when the portion of being elastically engaged resets, push to test button restores initial position.Due to elasticity
Auxiliary section is to be arranged on the testing button, and the volume of testing button is larger with respect to pressure spring, facilitates control, therefore, assembly
When it is more laborsaving, moreover, the portion of being elastically engaged of testing button does not deform or moderate finite deformation does not occur in assembly, test
The resistance that button is subject in assembly is smaller, can also make to assemble laborsaving.In addition, in assembly, it is only necessary to assemble testing button, move
Elastic slice and quiet elastic slice eliminate the setting and installation of pressure spring compared with prior art, and structure member is less, and assembly process is simple,
Production cost is low.
2. leakage circuit breakers testing button device provided by the invention, the portion of being elastically engaged is two extended towards engaging portion direction
A elastic arm, there are two the inclined-plane with the extending direction setting in a certain angle of elastic arm, two elastic arm difference for engaging portion tool
It can be slid against with corresponding inclined-plane, testing button is pressed when being moved to setting position, and elastic arm is slided along inclined-plane, Xiang Yi
Side flexible deformation, when removing pressing force, elastic arm restores deformation, and push to test button restores initial position, mutually matched
Elastic arm and inclined-plane have the advantages that structure is simple, and two elastic arms can slide against respectively with corresponding inclined-plane, Neng Gou
Testing button plays the role of guiding when mobile.
3. leakage circuit breakers testing button device provided by the invention, movable contact spring are fixedly mounted on testing button, in this way
So that installing more compact between movable contact spring and testing button, occupy little space, so that shell more minimizes, to reduce
Production cost.
4. one end of leakage circuit breakers testing button device provided by the invention, the separate engaging portion of testing button forms
First card slot, the setting direction of the first card slot have on movable contact spring perpendicular to the moving direction of testing button and protrude into the first card slot
Bending part, when installation, the bending part of movable contact spring protrudes into the first card slot of testing button, cooperates with testing button and is clamped, in this way
It is quickly and expediently installed, improves assembly efficiency.
5. leakage circuit breakers testing button device provided by the invention, the connection connecting with bending part is provided on movable contact spring
Portion, interconnecting piece be parallel to testing button moving direction and after testing button is pressed mobile setting position with static contact conductance
It is logical, since interconnecting piece is parallel to testing button moving direction, so that installing more compact, occupancy between movable contact spring and testing button
Space is small.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the perspective view of leakage circuit breakers of the invention；
Fig. 2 is the structural schematic diagram of leakage circuit breakers testing button device；
Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2；
Fig. 4 is that the structural schematic diagram after movable contact spring and static contact is removed in Fig. 3；
Fig. 5 is the decomposition texture schematic diagram of testing button and movable contact spring.
Description of symbols: 1, shell；11, engaging portion；12, inclined-plane；13, the second card slot；2, testing button；21, elastic
Auxiliary section；22, block；23, the first card slot；3, movable contact spring；31, bending part；32, interconnecting piece；4, static contact；5, breaker；51,
Handle.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment
The present embodiment provides a kind of leakage circuit breakers, as shown in Figs 1-4, including breaker 5, and splice with breaker 5
Leakage circuit breakers testing button device, leakage circuit breakers testing button device includes testing button 2, engaging portion 11, movable contact spring 3
With static contact 4.
The outer wall of testing button 2 and the handle 51 of breaker 5 are located at same operation horizontal plane, and top is pressed face as arc
Shape face, the both ends of testing button 2, which are formed, cooperates the block 22 to offset with 1 top inner wall of shell, and testing button 2 is removable
Ground is installed on the shell 1, and towards the side setting of the engaging portion 11, there are two can abut hair with the engaging portion 11
Raw flexible deformation is elastically engaged portion 21, and the portion 21 that is elastically engaged is the elastic arm extended towards 11 direction of engaging portion, institute
The end for stating elastic arm is abutted with the engaging portion 11, described when being elastically engaged portion 21 and resetting, and the testing button 2 is pushed to restore
Initial position.
As shown in figure 4, engaging portion 11 is the gore taken shape on shell 1, there are two prolong with the elastic arm for tool
Stretch the inclined-plane 12 of direction setting in a certain angle, the intersection point on two inclined-planes 12 be located at the engaging portion 11 towards the elasticity
The side of arm, there are two the elastic arm tools, and two elastic arms can slide against respectively with the corresponding inclined-plane 12.This
In embodiment, engaging portion 11 and 1 one of shell are pressed and molded.
As shown in figure 5, movable contact spring 3 is fixedly mounted on the testing button 2, there is bending part 31 and connect with bending part 31
The interconnecting piece 32 connect.One end far from the engaging portion 11 of the testing button 2 forms the first card slot 23, first card
The setting direction of slot 23 is perpendicular to the moving direction of the testing button 2, and bending part 31 protrudes into the first card slot 23, with testing button
2 clampings；Interconnecting piece 32 is parallel to 2 moving direction of testing button and is pressed mobile setting position in the testing button 2
It is conducted afterwards with the static contact 4.
Static contact 4 is the conducting wire being connected on the second card slot 13 of the shell 1.
The leakage circuit breakers testing button device of the present embodiment due to being elastically engaged portion 21 is arranged in the testing button
On 2, and the volume of testing button 2 is larger with respect to pressure spring, facilitates control, and therefore, when assembly is more laborsaving, moreover, assembling
When testing button 2 the portion 21 that is elastically engaged do not deform or do not occur moderate finite deformation, the resistance that testing button 2 is subject in assembly
Power is smaller, can also make to assemble laborsaving.In addition, in assembly, it is only necessary to testing button 2, movable contact spring 3 and static contact 4 are assembled, and it is existing
There is technology to compare, eliminates the setting and installation of pressure spring, structure member is less, and assembly process is simple, and production cost is low.
As disposable embodiment, the portion of being elastically engaged be may be disposed on shell 1, and engaging portion is set to testing button 2
Towards the side in the portion that is elastically engaged.
As disposable embodiment, engaging portion 11 is and the extending direction setting in a certain angle of the elastic arm
Baffle, the elastic arm can be abutted with the side walls towards the elastic arm of the baffle.
As disposable embodiment, engaging portion 11 have abutted with elastic arm, the circle to bring it about flexible deformation
Cambered surface.
The working principle of the leakage circuit breakers testing button device of the present embodiment is as follows:
When moving down it with pressed by external force testing button 2, two elastic arms slide against with corresponding inclined-plane 12,
And flexible deformation, testing button 2 drive the interconnecting piece 32 of movable contact spring 3 to be moved to setting position while mobile outward, with
Static contact 4 conducts；After removing external force, elastic arm restores deformation, and driving testing button 2 is moved to initial position, meanwhile, it surveys
Trying button 2 drives movable contact spring 3 to move, so that interconnecting piece 32 is disconnected with static contact 4.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of leakage circuit breakers testing button device, it is characterised in that: include:
Engaging portion (11) is set on shell (1)；
Testing button (2) is slidably mounted on the shell (1), is provided with towards the side of the engaging portion (11)
At least one can be abutted with the engaging portion (11) occurs being elastically engaged portion (21) for flexible deformation, described to be elastically engaged portion (21)
When reset, the testing button (2) is pushed to restore initial position；
Static contact (4) is arranged on the shell (1)；
Movable contact spring (3) links with the testing button (2) and is arranged, contacts or disconnect with the static contact (4).
2. leakage circuit breakers testing button device according to claim 1, it is characterised in that: described to be elastically engaged portion (21)
For the elastic arm extended towards the engaging portion (11) direction, the end of the elastic arm is abutted with the engaging portion (11).
3. leakage circuit breakers testing button device according to claim 2, it is characterised in that: the engaging portion (11) be with
The baffle of the extending direction of elastic arm setting in a certain angle, the elastic arm can be with the baffles towards the elasticity
The side walls of arm abut.
4. leakage circuit breakers testing button device according to claim 2, it is characterised in that: the engaging portion (11) has
Two are located at institute with the inclined-plane (12) of the extending direction setting in a certain angle of the elastic arm, the intersection point of two inclined-planes (12)
State the side towards the elastic arm of engaging portion (11), there are two the elastic arm tools, and two elastic arms respectively can be with
The corresponding inclined-plane (12) slides against.
5. leakage circuit breakers testing button device described in any one of -4 according to claim 1, it is characterised in that: the dynamic touching
Piece (3) is fixedly mounted on the testing button (2).
6. leakage circuit breakers testing button device according to claim 5, it is characterised in that: the testing button (2)
One end far from the engaging portion (11) forms the first card slot (23), and the setting direction of first card slot (23) is perpendicular to institute
The moving direction of testing button (2) is stated, there is the bending part (31) for protruding into first card slot (23) on the movable contact spring (3).
7. leakage circuit breakers testing button device according to claim 6, it is characterised in that: set on the movable contact spring (3)
It is equipped with the interconnecting piece (32) connecting with the bending part (31), it is mobile that the interconnecting piece (32) is parallel to the testing button (2)
It direction and is conducted after the testing button (2) is pressed mobile setting position with the static contact (4).
8. leakage circuit breakers testing button device according to claim 7, it is characterised in that: the static contact (4) is card
The conducting wire being connected on the second card slot (13) of the shell (1).
9. leakage circuit breakers testing button device according to claim 1, it is characterised in that: the testing button (2)
Both ends, which are formed, cooperates the block (22) to offset with the shell (1) top inner wall.
10. a kind of leakage circuit breakers, it is characterised in that: including breaker (5), and with the breaker (5) splicing such as power
Benefit requires leakage circuit breakers testing button device described in any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463399.XA CN110071023B (en) | 2019-05-30 | 2019-05-30 | Electric leakage circuit breaker test button device and electric leakage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463399.XA CN110071023B (en) | 2019-05-30 | 2019-05-30 | Electric leakage circuit breaker test button device and electric leakage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110071023A true CN110071023A (en) | 2019-07-30 |
| CN110071023B CN110071023B (en) | 2024-04-26 |
Family
ID=67372198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910463399.XA Active CN110071023B (en) | 2019-05-30 | 2019-05-30 | Electric leakage circuit breaker test button device and electric leakage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110071023B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204067276U (en) * | 2014-09-15 | 2014-12-31 | 浙江天正电气股份有限公司 | A kind of residual current circuit breaker |
| CN204242969U (en) * | 2014-12-25 | 2015-04-01 | 德力西电气有限公司 | A kind of leakage protection system |
| CN206259918U (en) * | 2016-12-06 | 2017-06-16 | 东莞市集贤电子有限公司 | A kind of keyboard switch of improvement |
| CN209571377U (en) * | 2019-05-30 | 2019-11-01 | 浙江友路电气有限公司 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
-
2019
- 2019-05-30 CN CN201910463399.XA patent/CN110071023B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204067276U (en) * | 2014-09-15 | 2014-12-31 | 浙江天正电气股份有限公司 | A kind of residual current circuit breaker |
| CN204242969U (en) * | 2014-12-25 | 2015-04-01 | 德力西电气有限公司 | A kind of leakage protection system |
| CN206259918U (en) * | 2016-12-06 | 2017-06-16 | 东莞市集贤电子有限公司 | A kind of keyboard switch of improvement |
| CN209571377U (en) * | 2019-05-30 | 2019-11-01 | 浙江友路电气有限公司 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110071023B (en) | 2024-04-26 |
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