CN212542324U - Test mechanism of intelligent circuit breaker - Google Patents
Test mechanism of intelligent circuit breaker Download PDFInfo
- Publication number
- CN212542324U CN212542324U CN202021497875.4U CN202021497875U CN212542324U CN 212542324 U CN212542324 U CN 212542324U CN 202021497875 U CN202021497875 U CN 202021497875U CN 212542324 U CN212542324 U CN 212542324U
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- Prior art keywords
- piece
- circuit breaker
- intelligent circuit
- groove
- shell
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000012634 fragment Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000005253 cladding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
A test mechanism of an intelligent circuit breaker. The problem of the most difficult installation of shell fragment of mainly having solved present test button. The method is characterized in that: the testing button is characterized in that a boss (11) is arranged in the shell and comprises an arc surface (111) and a movable contact piece, the movable contact piece comprises an arc piece (41) coated with the arc surface, a pressing piece is arranged at one end of the arc piece, a connecting piece (43) is arranged at the other end of the arc piece, the pressing piece is abutted to the inner wall of the shell, the connecting piece is abutted to the bottom of the testing button, and the static contact piece is correspondingly arranged below the connecting piece. The utility model provides a test mechanism of intelligent circuit breaker, its movable contact spring simple to operate, whole test mechanism compact structure, excellent in use effect.
Description
Technical Field
The utility model relates to a circuit breaker field, concretely relates to test mechanism of intelligent circuit breaker.
Background
The circuit breaker is used for monitoring a power supply and protecting a power supply and power grid system, when the load of the power grid system is continuously overloaded within a set time, a switching-off tripping command is sent out, and a mechanical actuating mechanism of the circuit breaker immediately switches off and cuts off the power supply so as to protect the power supply and power grid system.
The installation and use specification GB 13955 of the residual current circuit breaker clearly specifies that the test device of the residual current circuit breaker must be pressed once a month to ensure whether the leakage function of the residual current circuit breaker is normal or not, so that the requirements of long service life, accuracy, reliability, large electrical clearance and the like of a test button device of the residual current circuit breaker are required.
The reset of the existing test button is mostly realized through the elastic sheet, and the existing elastic sheet is mostly difficult to install.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides an intelligent circuit breaker's test mechanism mainly has solved the problem of the most difficult installation of shell fragment of present test button.
The utility model adopts the technical proposal that:
the utility model provides a test mechanism of intelligent circuit breaker, includes the casing, be equipped with clearance fit's test button on the casing, be equipped with the static contact in the casing, be equipped with the boss in the casing, the boss includes the arc surface, still includes the movable contact piece, the movable contact piece includes the cladding the arc piece of arc surface, arc piece one end is equipped with the preforming, and the other end is equipped with the connection piece, the preforming support press in the inner wall of casing, the connection piece support press in the bottom of test button, the static contact piece corresponds to be located the below of connection piece.
The test button is arranged at the transition position of the side wall and the top end face of the shell.
The casing lateral wall is equipped with first logical groove, and the top outer wall is equipped with the second and leads to the groove, first logical groove and second lead to the groove intercommunication, test button includes the planking of L shape, the planking includes roof and curb plate, the roof with first logical groove sliding fit, the curb plate with the second leads to the groove and corresponds the setting.
The testing button is characterized in that a convex edge is arranged in the shell, the testing button further comprises a guide rod, and a guide groove in sliding fit with the guide rod is formed in the convex edge.
The bottom of the guide rod is in contact with the connecting sheet.
The inner wall of the shell is provided with a limiting groove, the test button further comprises an inner plate, and the bottom end face of the inner plate corresponds to the bottom inner wall of the limiting groove.
The guide rod circumference outer wall is equipped with the flange, the flange with the guide way blocks the cooperation.
The utility model has the advantages that: the utility model provides a test mechanism of intelligent circuit breaker, its movable contact spring simple to operate, whole test mechanism compact structure, excellent in use effect.
Drawings
Fig. 1 is a schematic diagram of a partial explosion according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
Fig. 3 is a partial perspective view of an embodiment of the present invention.
Fig. 4 is a partial perspective view of the second embodiment of the present invention.
Fig. 5 is a partial perspective view illustrating a third embodiment of the present invention.
Detailed description of the preferred embodiments
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the testing mechanism of the intelligent circuit breaker comprises a shell 1, a testing button 2 in movable fit is arranged on the shell, a static contact piece 3 is arranged in the shell, a boss 11 is arranged in the shell and comprises an arc surface 111 and a movable contact piece, the movable contact piece comprises a cladding arc piece 41 of the arc surface, a pressing piece 42 is arranged at one end of the arc piece, a connecting piece 43 is arranged at the other end of the arc piece, the pressing piece is abutted against the inner wall of the shell, the connecting piece is abutted against the bottom of the testing button, and the static contact piece is correspondingly arranged below the connecting piece. The utility model provides a test mechanism of intelligent circuit breaker, its movable contact spring simple to operate, whole test mechanism compact structure, excellent in use effect. The movable contact piece and the static contact piece can be electrically connected with a circuit board in the circuit breaker through leads for testing,
in this embodiment, the test button is located at the transition between the side wall and the top end surface of the housing, as shown. By the arrangement, the test button is not required to be too high above the surface of the shell, so that the structure is more compact.
In this embodiment, as shown in the figure, the side wall of the shell is provided with a first through groove 12, the outer wall of the top is provided with a second through groove 15, the first through groove and the second through groove are communicated, the test button comprises an L-shaped outer plate 21, the outer plate comprises a top plate 211 and a side plate 212, the top plate is in sliding fit with the first through groove, and the side plate is arranged corresponding to the second through groove.
In this embodiment, as shown in the figure, a rib 13 is provided in the housing, and the test button further includes a guide rod 23, and a guide groove 131 slidably engaged with the guide rod is provided on the rib. The operation is stable.
In this embodiment, the bottom of the guide bar is in contact with the connecting piece, as shown.
In this embodiment, as shown in the figure, the inner wall of the housing is provided with a limiting groove 14, the test button further includes an inner plate 22, and the bottom end surface of the inner plate corresponds to the bottom inner wall of the limiting groove.
In this embodiment, as shown, the guide rod is provided with a flange 231 on the outer circumferential wall thereof, the flange being in blocking engagement with the guide groove. The operation is stable.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (7)
1. The utility model provides an intelligent circuit breaker's test mechanism, includes casing (1), be equipped with clearance fit's test button (2) on the casing, be equipped with static contact (3) in the casing, its characterized in that: the testing button is characterized in that a boss (11) is arranged in the shell and comprises an arc surface (111) and a movable contact piece, the movable contact piece comprises a covered arc piece (41) of the arc surface, a pressing piece (42) is arranged at one end of the arc piece, a connecting piece (43) is arranged at the other end of the arc piece, the pressing piece is pressed against the inner wall of the shell, the connecting piece is pressed against the bottom of the testing button, and the static contact piece is correspondingly arranged below the connecting piece.
2. The testing mechanism of the intelligent circuit breaker as claimed in claim 1, wherein: the test button is arranged at the transition position of the side wall and the top end face of the shell.
3. The testing mechanism of the intelligent circuit breaker according to claim 2, characterized in that: the casing lateral wall is equipped with first logical groove (12), and the top outer wall is equipped with the second and leads to groove (15), first logical groove and second logical groove intercommunication, test button includes planking (21) of L shape, the planking includes roof (211) and curb plate (212), the roof with first logical groove sliding fit, the curb plate with the second leads to the groove and corresponds the setting.
4. The testing mechanism of the intelligent circuit breaker according to claim 3, characterized in that: the testing button is characterized in that a convex rib (13) is arranged in the shell, the testing button further comprises a guide rod (23), and a guide groove (131) in sliding fit with the guide rod is formed in the convex rib.
5. The testing mechanism of the intelligent circuit breaker as claimed in claim 4, wherein: the bottom of the guide rod is in contact with the connecting sheet.
6. The testing mechanism of the intelligent circuit breaker according to claim 5, characterized in that: the inner wall of the shell is provided with a limiting groove (14), the test button further comprises an inner plate (22), and the bottom end face of the inner plate corresponds to the bottom inner wall of the limiting groove.
7. The testing mechanism of the intelligent circuit breaker as claimed in claim 6, wherein: the guide rod is provided with a flange (231) on the circumferential outer wall, and the flange is in blocking fit with the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021497875.4U CN212542324U (en) | 2020-07-27 | 2020-07-27 | Test mechanism of intelligent circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021497875.4U CN212542324U (en) | 2020-07-27 | 2020-07-27 | Test mechanism of intelligent circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212542324U true CN212542324U (en) | 2021-02-12 |
Family
ID=74518491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021497875.4U Active CN212542324U (en) | 2020-07-27 | 2020-07-27 | Test mechanism of intelligent circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212542324U (en) |
-
2020
- 2020-07-27 CN CN202021497875.4U patent/CN212542324U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600 No. 18, Sha Hung Road, North Bai Xiang Town, Yueqing, Wenzhou, Zhejiang. Patentee after: Zhejiang Chuangqi Electric Co.,Ltd. Address before: 325600 No. 18, Sha Hung Road, North Bai Xiang Town, Yueqing, Wenzhou, Zhejiang. Patentee before: ZHEJIANG CHUANGQI ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |