CN219393307U - Circuit breaker switching-on and switching-off signal detection mechanism based on single micro-gap switch - Google Patents
Circuit breaker switching-on and switching-off signal detection mechanism based on single micro-gap switch Download PDFInfo
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- CN219393307U CN219393307U CN202320665931.8U CN202320665931U CN219393307U CN 219393307 U CN219393307 U CN 219393307U CN 202320665931 U CN202320665931 U CN 202320665931U CN 219393307 U CN219393307 U CN 219393307U
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
A breaker opening and closing signal detection mechanism based on a single micro-switch. The reclosing circuit breaker mainly solves the problem that the existing reclosing circuit breaker needs to put a micro switch at both the opening position and the closing position when in indication, and the cost of products is increased. The method is characterized in that: be equipped with handle (2) on the casing, be equipped with circuit board (4), motor (3) and gear train in the casing, the motor passes through gear train drives the handle rotates, be equipped with micro-gap switch (41) on the circuit board, micro-gap switch includes contact (411), gear train includes gear (51), be equipped with on the gear and press portion (511), press portion including when the circuit breaker is closed and the handle rotate to the first state of separating brake position before the contact with contact and when the circuit breaker is separated brake handle rotate to the separating brake position when the second state of separating brake. The utility model provides a circuit breaker opening and closing signal detection mechanism based on a single micro switch, which can realize functions through one micro switch and save cost.
Description
Technical Field
The utility model relates to the field of circuit breakers, in particular to a circuit breaker opening and closing signal detection mechanism based on a single micro switch.
Background
At present, a miniature direct current breaker is a very wide electric switch applied to a direct current power grid, and can play a role in breaking a protected circuit when overload or short-circuit fault occurs in the circuit.
As shown in the chinese patent with publication number CN 108648971A, the current reclosing circuit breaker needs to place a micro switch at both the opening position and the closing position when indicating, which increases the cost of the product.
Disclosure of Invention
In order to overcome the defects of the background technology, the utility model provides a circuit breaker opening and closing signal detection mechanism based on a single micro switch, which mainly solves the problem that the existing reclosing circuit breaker needs to put a micro switch at both an opening position and a closing position during indication, and increases the cost of products.
The technical scheme adopted by the utility model is as follows:
the circuit breaker opening and closing signal detection mechanism based on the single micro switch comprises a shell, a handle is arranged on the shell, a circuit board, a motor and a gear transmission mechanism are arranged in the shell, the motor drives the handle to rotate through the gear transmission mechanism, the micro switch is arranged on the circuit board and comprises a contact piece, the gear transmission mechanism comprises a gear, a pressing part is arranged on the gear and comprises a first state contacted with the contact piece when the circuit breaker is closed and before the handle rotates to an opening position and a second state separated from the contact piece when the handle rotates to the opening position during opening of the circuit breaker.
The gear is provided with a boss, and the pressing part is the circumferential outer wall of the boss.
The circumferential outer wall of the boss is an arc-shaped surface.
The circumferential outer wall of the boss is of a structure with a lower front end face and a higher rear end face.
The gear transmission mechanism further comprises a worm wheel and a worm which are meshed with each other, the motor comprises a driving rod, the worm is connected with the driving rod, and the worm wheel is used for driving the gear to rotate.
The circuit board is provided with a through groove, the back of the circuit board is provided with the micro switch, the micro switch is arranged at the edge of the through groove, and the boss penetrates through the through groove and is arranged opposite to the micro switch.
The through groove is a circular groove.
The beneficial effects of the utility model are as follows: the utility model provides a circuit breaker opening and closing signal detection mechanism based on a single micro switch, which can realize functions through one micro switch and save cost.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of an embodiment of the present utility model (during closing).
Fig. 3 is a schematic perspective view (closing limit position) of an embodiment of the present utility model.
Fig. 4 is a schematic perspective view of an embodiment of the present utility model (when opening the gate).
Fig. 5 is a schematic perspective view of a gear according to an embodiment of the present utility model.
Fig. 6 is a partial perspective view of an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings: as shown in the figure, the circuit breaker switching-on and switching-off signal detection mechanism based on single micro-gap switch comprises a shell 1, a handle 2 is arranged on the shell, a circuit board 4, a motor 3 and a gear transmission mechanism are arranged in the shell, the motor drives the handle to rotate through the gear transmission mechanism, the micro-gap switch 41 is arranged on the circuit board, the micro-gap switch comprises a contact 411, the gear transmission mechanism comprises a gear 51, a pressing part 511 is arranged on the gear, and the pressing part comprises a first state contacted with the contact when the circuit breaker is switched on and before the handle rotates to a switching-off position and a second state separated from the contact when the handle rotates to the switching-off position during switching-off of the circuit breaker. The pressing part contacts with the contact piece of the micro-gap switch when the gear rotates to the starting point of closing, the contact piece has elasticity and can deform, then the pressing part always contacts with the contact piece in the gear rotating process until the limiting position of closing (refer to figure 3), the switch is opened after the pressing part rotates, meanwhile, the contact piece is not stressed any more, and the micro-gap switch is also opened.
In this embodiment, as shown in the figure, a boss 512 is provided on the gear, and the pressing portion is a circumferential outer wall of the boss. When the boss rotates, the circumferential outer wall of the boss plays a role in pushing the contact.
In this embodiment, as shown in the figure, the circumferential outer wall of the boss is a circular arc surface.
In this embodiment, as shown in the figure, the circumferential outer wall of the boss has a structure with a lower front end face and a higher rear end face. The contact piece is more convenient to push when beginning to contact, the use effect is better, and the front end is the front direction when anticlockwise rotating.
In this embodiment, as shown in the figure, the gear transmission mechanism further includes a worm gear 52 and a worm 53 that are meshed, the motor includes a driving rod, the worm is connected to the driving rod, and the worm gear is used for driving the gear to rotate. The inner wall of the worm is a cavity, and the worm is sleeved outside the driving rod and can be driven by a key or directly installed by a screw.
In this embodiment, as shown in the figure, the circuit board is provided with a through slot 42, the back of the circuit board is provided with the micro switch, the micro switch is arranged at the edge of the through slot, and the boss passes through the through slot and is opposite to the micro switch.
In this embodiment, as shown in the figure, the through groove is a circular groove.
In the description of the present utility model, it should 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 the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The embodiments described with reference to the drawings are exemplary and intended to be illustrative of the utility model and should not be construed as limiting the utility model. The examples should not be construed as limiting the utility model, but any modifications based on the spirit of the utility model should be within the scope of the utility model.
Claims (7)
1. Circuit breaker divide-shut brake signal detection mechanism based on single micro-gap switch, including casing (1), its characterized in that: be equipped with handle (2) on the casing, be equipped with circuit board (4), motor (3) and gear train in the casing, the motor passes through gear train drives the handle rotates, be equipped with micro-gap switch (41) on the circuit board, micro-gap switch includes contact (411), gear train includes gear (51), be equipped with on the gear and press portion (511), press portion including when the circuit breaker is closed and the handle rotate to the first state of separating brake position before contact with the contact and when the circuit breaker is separated brake handle rotate to the separating brake position when the second state of separating brake.
2. The single-microswitch-based circuit breaker opening and closing signal detection mechanism as recited in claim 1 wherein: the gear is provided with a boss (512), and the pressing part is the circumferential outer wall of the boss.
3. The single-microswitch-based circuit breaker opening and closing signal detection mechanism as recited in claim 2 wherein: the circumferential outer wall of the boss is an arc-shaped surface.
4. The single-microswitch-based circuit breaker opening and closing signal detection mechanism as recited in claim 3 wherein: the circumferential outer wall of the boss is of a structure with a lower front end face and a higher rear end face.
5. The single-microswitch-based circuit breaker opening and closing signal detection mechanism as recited in claim 4 wherein: the gear transmission mechanism further comprises a worm wheel (52) and a worm (53) which are meshed, the motor comprises a driving rod, the worm is connected with the driving rod, and the worm wheel is used for driving the gear to rotate.
6. The single-microswitch-based circuit breaker opening and closing signal detection mechanism as recited in claim 5 wherein: the circuit board is provided with a through groove (42), the back of the circuit board is provided with the micro switch, the micro switch is arranged at the edge of the through groove, and the boss passes through the through groove and is arranged opposite to the micro switch.
7. The single-microswitch-based circuit breaker opening and closing signal detection mechanism as recited in claim 6 wherein: the through groove is a circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320665931.8U CN219393307U (en) | 2023-03-28 | 2023-03-28 | Circuit breaker switching-on and switching-off signal detection mechanism based on single micro-gap switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320665931.8U CN219393307U (en) | 2023-03-28 | 2023-03-28 | Circuit breaker switching-on and switching-off signal detection mechanism based on single micro-gap switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219393307U true CN219393307U (en) | 2023-07-21 |
Family
ID=87191990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320665931.8U Active CN219393307U (en) | 2023-03-28 | 2023-03-28 | Circuit breaker switching-on and switching-off signal detection mechanism based on single micro-gap switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219393307U (en) |
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2023
- 2023-03-28 CN CN202320665931.8U patent/CN219393307U/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. |
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| CP01 | Change in the name or title of a patent holder |