CN110071023B - Electric leakage circuit breaker test button device and electric leakage circuit breaker - Google Patents
Electric leakage circuit breaker test button device and electric leakage circuit breaker Download PDFInfo
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- CN110071023B CN110071023B CN201910463399.XA CN201910463399A CN110071023B CN 110071023 B CN110071023 B CN 110071023B CN 201910463399 A CN201910463399 A CN 201910463399A CN 110071023 B CN110071023 B CN 110071023B
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- test button
- elastic
- button
- leakage breaker
- contact piece
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- 238000012360 testing method Methods 0.000 title claims abstract description 126
- 230000003068 static effect Effects 0.000 claims abstract description 22
- 230000005489 elastic deformation Effects 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect 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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Abstract
The invention provides a leakage breaker testing button device and a leakage breaker, wherein the leakage breaker testing button device comprises: a combination part arranged on the shell; the test button is movably arranged on the shell, one side of the test button, which faces the combining part, is provided with at least one elastic matching part which can be abutted against the combining part to generate elastic deformation, and when the elastic matching part is reset, the test button is pushed to restore to the initial position; the movable contact piece is arranged in linkage with the test button and is contacted with or disconnected from the static contact piece. Because the elastic matching part is arranged on the test button, the volume of the test button is relatively larger than that of the compression spring, the control is convenient, the elastic matching part of the test button is not deformed greatly during assembly, and the resistance applied during assembly is smaller, so that the assembly is labor-saving. In addition, only the test button, the movable elastic sheet and the static elastic sheet are required to be assembled, compared with the prior art, the setting and the installation of the pressure spring are omitted, the structural parts are fewer, the assembly process is simple, and the production cost is low.
Description
Technical Field
The invention relates to the technical field of electric leakage circuit breakers, in particular to an electric leakage circuit breaker testing button device and an electric leakage circuit breaker.
Background
The leakage breaker is an electrical safety device capable of rapidly cutting off a power supply when electric leakage occurs so as to prevent an electric shock accident. The leakage breaker comprises a test button device and a reset button device, and the test button device of the leakage breaker is definitely specified in the installation and use standard GB13955 to be pressed once a month so as to determine whether the leakage protection device of the leakage breaker can work normally.
The test button device comprises a test button, a pressure spring for providing reset biasing force for the test button, a movable spring reed positioned below the test button, and a static spring piece opposite to the movable spring reed, wherein the movable spring reed and the static spring piece are respectively and electrically connected with the circuit board through wires. When the test function needs to be started, the test button is pressed, the descending test button can be contacted with the movable spring leaf below the test button, and the movable spring leaf is pushed to move downwards until the movable end of the movable spring leaf is contacted with the static spring leaf, so that the test loop is conducted; when the test function is not needed, the test button is stopped to be pressed, and the test button is reset under the action of the pressure spring, namely, the test button is restored to the position when not pressed. The test button device uses the pressure spring, and the pressure spring is installed under pressure when being installed, and the pressure spring has a tendency of recovering the original state, so that the pressure spring is not installed well when being installed; the test button device comprises a test button, a pressure spring, a movable spring leaf and a static spring leaf, and is more in structural parts, complex in assembly process and high in production cost.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of poor installation, multiple structural parts, complex assembly process and high production cost of the test button in the prior art, thereby providing the electric leakage breaker test button device with simple structure, simple assembly process and low production cost and the electric leakage breaker with the electric leakage breaker test button device.
To this end, the present invention provides a leakage breaker testing button device comprising:
A combination part arranged on the shell;
The test button is movably arranged on the shell, one side of the test button, which faces the combining part, is provided with at least one elastic matching part which can be abutted against the combining part to generate elastic deformation, and when the elastic matching part is reset, the test button is pushed to restore to the initial position;
the static contact piece is arranged on the shell;
The movable contact piece is arranged in linkage with the test button and is contacted with or disconnected from the static contact piece.
Preferably, the elastic engagement portion is an elastic arm extending in a direction toward the joint portion, and an end of the elastic arm abuts against the joint portion.
As a preferable scheme, the combination part is a baffle plate which is arranged at a certain included angle with the extending direction of the elastic arm, and the elastic arm can be in sliding abutting connection with the side wall of the baffle plate, which faces the elastic arm.
As a preferable scheme, the combination part is provided with two inclined planes which are arranged at a certain included angle with the extending direction of the elastic arm, the intersection point of the two inclined planes is positioned at one side of the combination part facing the elastic arm, the elastic arm is provided with two elastic arms, and the two elastic arms can be respectively in sliding abutting connection with the corresponding inclined planes.
As a preferred solution, the movable contact is fixedly mounted on the test button.
As a preferable scheme, one end of the test button far away from the combining part is provided with a first clamping groove, the setting direction of the first clamping groove is perpendicular to the moving direction of the test button, and the movable contact piece is provided with a bending part extending into the first clamping groove.
As a preferable scheme, the movable contact is provided with a connecting part connected with the bending part, and the connecting part is parallel to the moving direction of the test button and is electrically communicated with the static contact after the test button is pressed to move to a set position.
As a preferable scheme, the static contact is a wire clamped on the second clamping groove of the shell.
As a preferable scheme, two ends of the test button are formed with stop blocks matched and abutted against the inner wall of the top of the shell.
An electric leakage breaker comprises a breaker and an electric leakage breaker test button device which is spliced with the breaker and is described above.
The technical scheme of the invention has the following advantages:
1. The invention provides a testing button device of an electric leakage breaker, which comprises a testing button, a combination part, a static contact piece and a movable contact piece, wherein the testing button is movably arranged on a shell, one side of the testing button, which faces to the combination part, is provided with at least one elastic matching part which can be abutted to the combination part to generate elastic deformation, and when the elastic matching part is reset, the testing button is pushed to restore to an initial position. Because the elastic matching part is arranged on the test button, the volume of the test button is relatively larger than that of the compression spring, and the control is convenient, the assembly is more labor-saving, the elastic matching part of the test button is not deformed or is not deformed greatly during the assembly, and the resistance of the test button during the assembly is smaller, so that the assembly is labor-saving. In addition, during assembly, only the test button, the movable elastic sheet and the static elastic sheet are required to be assembled, compared with the prior art, the setting and the installation of the pressure spring are omitted, the structural parts are fewer, the assembly process is simple, and the production cost is low.
2. According to the electric leakage circuit breaker testing button device provided by the invention, the elastic matching part is the two elastic arms extending towards the direction of the combining part, the combining part is provided with the two inclined planes which are arranged at a certain included angle with the extending direction of the elastic arms, the two elastic arms can be respectively in sliding abutting joint with the corresponding inclined planes, when the testing button is pressed to move to a set position, the elastic arms slide along the inclined planes and elastically deform to one side, when the pressing force is removed, the elastic arms recover to deform, the testing button is pushed to recover to the initial position, the elastic arms and the inclined planes which are matched with each other have the advantage of simple structure, and the two elastic arms can be respectively in sliding abutting joint with the corresponding inclined planes, so that the guiding function can be realized when the testing button moves.
3. According to the electric leakage circuit breaker testing button device, the movable contact is fixedly arranged on the testing button, so that the movable contact and the testing button are compactly arranged, the occupied space is small, the shell is miniaturized, and the production cost is reduced.
4. According to the electric leakage circuit breaker testing button device provided by the invention, the first clamping groove is formed at one end of the testing button, which is far away from the combining part, the setting direction of the first clamping groove is perpendicular to the moving direction of the testing button, the bending part extending into the first clamping groove is arranged on the movable contact, and when the electric leakage circuit breaker testing button device is installed, the bending part of the movable contact extends into the first clamping groove of the testing button and is matched and clamped with the testing button, so that the installation is quick and convenient, and the assembly efficiency is improved.
5. According to the electric leakage circuit breaker testing button device provided by the invention, the connecting part connected with the bending part is arranged on the movable contact, the connecting part is parallel to the moving direction of the testing button, and is electrically communicated with the static contact after the testing button is pressed to move to a set position, and the connecting part is parallel to the moving direction of the testing button, so that the movable contact and the testing button are more compact in installation and small in occupied space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of an earth leakage breaker of the present invention;
FIG. 2 is a schematic view of a structure of a leakage breaker testing button device;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is a schematic view of the structure of FIG. 3 with the movable and stationary contacts removed;
Fig. 5 is an exploded view of the test button and the movable contact.
Reference numerals illustrate: 1. a housing; 11. a joint; 12. an inclined plane; 13. a second clamping groove; 2. a test button; 21. an elastic fitting portion; 22. a stop block; 23. a first clamping groove; 3. a movable contact; 31. a bending part; 32. a connection part; 4. a stationary contact; 5. a circuit breaker; 51. a handle.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Examples
The embodiment provides an electric leakage breaker, as shown in fig. 1-4, which comprises a breaker 5 and an electric leakage breaker testing button device spliced with the breaker 5, wherein the electric leakage breaker testing button device comprises a testing button 2, a combination part 11, a movable contact piece 3 and a static contact piece 4.
The outer wall of the test button 2 and the handle 51 of the circuit breaker 5 are located on the same operation horizontal plane, the pressed surface at the top of the test button is an arc surface, two ends of the test button 2 are formed with stop blocks 22 matched and propped against the inner wall at the top of the shell 1, the test button 2 is movably installed on the shell 1, two elastic matching parts 21 which can be elastically deformed by propping against the combining parts 11 are arranged on one side of the combining parts 11, the elastic matching parts 21 are elastic arms which extend towards the direction of the combining parts 11, the end parts of the elastic arms are propped against the combining parts 11, and when the elastic matching parts 21 are reset, the test button 2 is pushed to restore to the initial positions.
As shown in fig. 4, the joint 11 is a triangle formed on the housing 1, and has two inclined planes 12 disposed at a certain angle with respect to the extending direction of the elastic arm, the intersection point of the two inclined planes 12 is located at one side of the joint 11 facing the elastic arm, and the elastic arm has two elastic arms, which can respectively slidably abut against the corresponding inclined planes 12. In this embodiment, the joint 11 is molded integrally with the housing 1.
As shown in fig. 5, the movable contact 3 is fixedly mounted on the test button 2, and has a bending portion 31 and a connecting portion 32 connected to the bending portion 31. A first clamping groove 23 is formed at one end, far away from the combining part 11, of the test button 2, the setting direction of the first clamping groove 23 is perpendicular to the moving direction of the test button 2, and a bending part 31 extends into the first clamping groove 23 and is clamped with the test button 2; the connecting part 32 is parallel to the moving direction of the test button 2 and is electrically connected with the static contact 4 after the test button 2 is pressed to move to a set position.
The stationary contact 4 is a wire clamped on the second clamping groove 13 of the housing 1.
In the electrical leakage breaker testing button device of this embodiment, since the elastic matching portion 21 is disposed on the testing button 2, and the volume of the testing button 2 is relatively larger than the compression spring, so that the electrical leakage breaker testing button device is convenient to control, the electrical leakage breaker testing button device is more labor-saving in assembly, and the elastic matching portion 21 of the testing button 2 is not deformed or is not greatly deformed in assembly, so that the resistance of the testing button 2 during assembly is smaller, and the assembly is labor-saving. In addition, during assembly, only the test button 2, the movable contact piece 3 and the static contact piece 4 are required to be assembled, compared with the prior art, the arrangement and the installation of a pressure spring are omitted, the structural parts are fewer, the assembly process is simple, and the production cost is low.
As an alternative embodiment, the elastic fitting portion may be provided on the housing 1, and the coupling portion is provided on a side of the test button 2 facing the elastic fitting portion.
As an alternative embodiment, the joint 11 is a baffle plate disposed at a certain angle with respect to the extending direction of the elastic arm, and the elastic arm may slidably abut against a side wall of the baffle plate facing the elastic arm.
As an alternative embodiment, the coupling portion 11 has an arc surface that abuts against the elastic arm to elastically deform the same.
The operating principle of the electrical leakage breaker testing button device of this embodiment is as follows:
When the test button 2 is pressed by external force to move downwards, the two elastic arms are in sliding contact with the corresponding inclined planes 12 and elastically deform outwards, and the test button 2 drives the connecting part 32 of the movable contact 3 to move to a set position and is electrically conducted with the static contact 4 while moving; when the external force is removed, the elastic arm recovers the deformation, the test button 2 is driven to move to the initial position, and meanwhile, the test button 2 drives the movable contact piece 3 to move, so that the connecting part 32 is disconnected with the static contact piece 4.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. The utility model provides a electric leakage circuit breaker test button device which characterized in that: comprising the following steps:
a joint (11) provided on the housing (1);
The test button (2) is movably arranged on the shell (1), one side of the test button, which faces the combining part (11), is provided with at least one elastic matching part (21) which can be abutted against the combining part (11) to generate elastic deformation, the elastic matching part (21) is an elastic arm which extends towards the combining part (11), the combining part (11) is provided with two inclined planes (12) which are arranged at a certain included angle with the extending direction of the elastic arm, and the intersection point of the two inclined planes (12) is positioned on one side of the combining part (11), which faces the elastic arm;
the static contact (4) is arranged on the shell (1);
the movable contact piece (3) is arranged in linkage with the test button (2) and is contacted with or disconnected from the static contact piece (4);
When the test button (2) is pressed to move to a set position, the elastic matching part (21) slides along the inclined plane (12), the elastic matching part (21) elastically deforms to one side, and when the pressing force is removed, the elastic matching part (21) is reset, and the test button (2) is pushed to restore to the initial position.
2. The electrical leakage breaker testing button device of claim 1, wherein: the end of the elastic arm is abutted against the joint part (11).
3. The electrical leakage breaker testing button device of claim 2, wherein: the combination part (11) is a baffle plate which is arranged at a certain included angle with the extending direction of the elastic arm, and the elastic arm can be in sliding abutting connection with the side wall of the baffle plate, which faces the elastic arm.
4. The electrical leakage breaker testing button device of claim 2, wherein: the elastic arms are two, and the two elastic arms can be respectively in sliding abutting connection with the corresponding inclined planes (12).
5. The electrical leakage breaker testing button apparatus according to any one of claims 1-4, wherein: the movable contact piece (3) is fixedly arranged on the test button (2).
6. The electrical leakage breaker testing button device of claim 5, wherein: one end of the test button (2) far away from the combining part (11) is provided with a first clamping groove (23), the setting direction of the first clamping groove (23) is perpendicular to the moving direction of the test button (2), and the movable contact piece (3) is provided with a bending part (31) extending into the first clamping groove (23).
7. The electrical leakage breaker testing button device of claim 6, wherein: the movable contact piece (3) is provided with a connecting part (32) connected with the bending part (31), and the connecting part (32) is parallel to the moving direction of the test button (2) and is electrically conducted with the static contact piece (4) after the test button (2) is pressed to move to a set position.
8. The electrical leakage breaker testing button device of claim 7, wherein: the static contact (4) is a wire clamped on a second clamping groove (13) of the shell (1).
9. The electrical leakage breaker testing button device of claim 1, wherein: two ends of the test button (2) are provided with stop blocks (22) matched and propped against the inner wall of the top of the shell (1).
10. An earth leakage breaker, characterized in that: comprising a circuit breaker (5), and an earth leakage breaker test button arrangement according to any of claims 1-9 spliced to said circuit breaker (5).
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 CN110071023A (en) | 2019-07-30 |
| CN110071023B true CN110071023B (en) | 2024-04-26 |
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| 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 |
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| Country | Link |
|---|---|
| CN (1) | CN110071023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115327368B (en) * | 2022-09-02 | 2024-09-24 | 镇江市产品质量监督检验中心 | Intelligent residual current circuit breaker action test system |
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 |
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| Publication number | Publication date |
|---|---|
| CN110071023A (en) | 2019-07-30 |
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