CN212485253U - Circuit breaker reclosing device - Google Patents
Circuit breaker reclosing device Download PDFInfo
- Publication number
- CN212485253U CN212485253U CN202021492081.9U CN202021492081U CN212485253U CN 212485253 U CN212485253 U CN 212485253U CN 202021492081 U CN202021492081 U CN 202021492081U CN 212485253 U CN212485253 U CN 212485253U
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- Prior art keywords
- circuit breaker
- driven gear
- ratchet wheel
- gear
- reclosing device
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- 210000003205 muscle Anatomy 0.000 abstract description 9
- 239000012634 fragment Substances 0.000 abstract description 8
- 230000007246 mechanism Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a circuit breaker reclosing device, including the motor, locate the drive wheel of motor output end, locate drive wheel one side and with the first driven gear of drive wheel meshing, with the handle gear of first driven gear linkage, with the ratchet of first driven gear meshing and shell fragment, one side of ratchet is equipped with a plurality of interval distribution's protruding muscle, shell fragment one end butt the ratchet is equipped with a side surface of protruding muscle; when the motor rotates forwards, the first driven gear rotates, one end of the elastic sheet interferes with the convex rib, the ratchet wheel does not rotate, the convex rib is separated from the tripping shaft of the circuit breaker, and the circuit breaker is switched on; when the motor rotates reversely, the first driven gear drives the ratchet wheel to rotate, the convex rib slides through the elastic sheet and touches the tripping shaft of the circuit breaker, and the circuit breaker is switched off. The utility model provides a circuit breaker reclosing device has improved reclosing device's gear mechanism, simple structure, and is with low costs.
Description
Technical Field
The utility model relates to an electrical switch technical field, concretely relates to with a circuit breaker reclosing device.
Background
Circuit breakers, also known as automatic air switches, can be used to switch on and off a load circuit, and also to control motors that are not activated frequently. The function of the protector is equivalent to the function integration of part or all of the electric appliances such as a knife switch, an over-current relay, a voltage loss relay, a thermal relay, a leakage protector and the like, and the protector is an important protective electric appliance in a low-voltage distribution network.
The tripping mechanism is an important component for promoting the automatic tripping of the switch in an operating system, the tripping mechanism acts as a force fulcrum during the closing process and at the closing position of the circuit breaker, and when the circuit breaker automatically trips, the tripping mechanism is controlled by the tripping device to release the fulcrum, so that the circuit breaker enters a free opening state.
At present, an electromagnetic tripping device is usually adopted for a tripping mechanism in a reclosing mechanism of a circuit breaker, the structure of the electromagnetic tripping device is complex, the occupied space inside the circuit breaker is large, and the cost of parts is high.
In view of the above, it is necessary to provide a new circuit breaker reclosing device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a circuit breaker reclosing device has improved reclosing device's gear mechanism, simple structure, and is with low costs.
In order to solve the above problem, the technical scheme of the utility model is as follows:
a circuit breaker reclosing device comprises a motor, a driving wheel arranged at the output end of the motor, a first driven gear arranged on one side of the driving wheel and meshed with the driving wheel, a handle gear linked with the first driven gear, a ratchet wheel sleeved on a gear shaft of the first driven gear and meshed with the first driven gear, and an elastic sheet, wherein a plurality of convex ribs which are distributed at intervals and used for touching a tripping shaft of a circuit breaker are arranged on one side of the ratchet wheel far away from the first driven gear, and one end of the elastic sheet is abutted to one side surface of the ratchet wheel provided with the convex ribs;
when the motor rotates forwards, the first driven gear rotates, one end of the elastic sheet interferes with the convex rib, the ratchet wheel does not rotate, the convex rib is separated from the tripping shaft of the circuit breaker, and the circuit breaker is switched on;
when the motor rotates reversely, the first driven gear drives the ratchet wheel to rotate, the convex rib slides through the elastic sheet and touches the tripping shaft of the circuit breaker, and the circuit breaker is switched off.
Furthermore, the number of the convex ribs is four, and the convex ribs are uniformly distributed on one side of the ratchet wheel.
Furthermore, a driven wheel pawl is arranged at the center of the first driven gear, a ratchet wheel pawl is arranged at the bottom of the ratchet wheel, and the driven wheel pawl is meshed with the ratchet wheel pawl.
Furthermore, the handle gear is arranged on one side of the third driven gear and meshed with the third driven gear.
Further, the handle gear is an incomplete gear.
Compared with the prior art, the utility model provides a circuit breaker reclosing device, beneficial effect lies in:
the utility model provides a circuit breaker reclosing device, through set up on the gear shaft of the first driven gear with the first driven gear meshing ratchet, and set up the shell fragment that can interfere with the protruding muscle of ratchet, when the motor corotation, the first driven gear rotates, one end of the shell fragment interferes with the protruding muscle, the ratchet does not rotate, the circuit breaker closes a floodgate; when the motor rotates reversely, the first driven gear drives the ratchet wheel to rotate, the convex rib slides through the elastic sheet and touches the tripping shaft of the circuit breaker, and the circuit breaker is switched off. The utility model provides a circuit breaker reclosing device, the motor is just reversing and is realizing that the circuit breaker is closed/disconnected, simple structure, and the part is with low costs.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circuit breaker reclosing device provided by the present invention;
fig. 2 is a schematic view of another angle configuration of the reclosing device of the circuit breaker shown in fig. 1;
fig. 3 is a schematic structural view of a first driven wheel in the reclosing device of the circuit breaker shown in fig. 1;
FIG. 4 is a schematic cross-sectional view taken along line A-A of the first driven wheel shown in FIG. 3;
fig. 5 is a schematic structural view of a ratchet wheel in the reclosing device of the circuit breaker shown in fig. 1.
Detailed Description
In order to make the technical solution in the embodiments of the present invention better understood and make the above objects, features and advantages of the present invention more obvious and understandable, the following description of the embodiments of the present invention is provided with reference to the accompanying drawings.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural diagram of a circuit breaker reclosing device provided by the present invention; fig. 2 is a schematic view of another angle of the reclosing device of the circuit breaker shown in fig. 1. The utility model discloses a circuit breaker reclosing device 100 includes insulating bottom plate 1, locates motor 2, drive wheel 3, first driven gear 4, second driven gear 5, third driven gear 6, handle gear 7, connecting rod 8, ratchet 9 and shell fragment 10 on insulating bottom plate 1.
Wherein the motor 2 is a positive and negative rotation motor, and the positive and negative rotation of the motor 2 is controlled according to the working state of the detection circuit. The output of motor 2 is located to drive wheel 3, and drive wheel 3 meshes with first 4 from driving wheel, when motor 2 rotated, drives drive wheel 3 and rotates, then drives first 4 rotations from driving wheel by drive wheel 3.
In the utility model, the second driven gear 5 is arranged at one side of the first driven gear 4 and is meshed with the first driven gear 4; the third driven gear 6 is arranged on one side of the second driven gear 5 and is meshed with the second driven gear 5; the handle gear 7 is provided on the third driven gear 6 side and is meshed with the third driven gear 6. Therefore, when the first driven gear 4 rotates, the handle gear 7 is driven to rotate. The handle gear 7 is provided with a connecting rod 8 at the center, the other end of the connecting rod 8 is connected with an operating handle (not shown), and is connected with a breaker contact device (not shown) through the operating handle, the breaker contact device comprises a breaker tripping shaft, and the orthographic projection of the breaker tripping shaft 20 is at least partially positioned on the ratchet wheel 9.
In this embodiment, structure, theory of operation, the relation of connection etc. of handle, circuit breaker contact device refer to prior art, the utility model discloses a do not do detailed explanation in the specification.
The utility model discloses in, through setting up ratchet 9 and shell fragment 10 to control circuit breaker combined floodgate, disconnection. The specific structures of the ratchet wheel 9 and the spring plate 10 are as follows:
please refer to fig. 3 to fig. 5, wherein fig. 3 is a schematic structural diagram of a first driven wheel in the reclosing device of the circuit breaker shown in fig. 1; FIG. 4 is a schematic cross-sectional view taken along line A-A of the first driven wheel shown in FIG. 3; fig. 5 is a schematic structural view of a ratchet wheel in the reclosing device of the circuit breaker shown in fig. 1. The ratchet wheel 9 is sleeved on the gear shaft of the first driven gear 4 and meshed with the first driven gear 4. Specifically, a mounting groove 41 is provided at the center of the first driven gear 4, and a plurality of driven wheel pawls 42 are provided in the mounting groove 41; the bottom of the ratchet wheel 9 is provided with a convex block 91 embedded in the mounting groove 41, the convex block 91 is provided with a ratchet wheel pawl 92, and the driven wheel pawl 42 is meshed with the ratchet wheel pawl 92, so that the first driven gear 4 is meshed with the ratchet wheel 9. In the embodiment, the operating state of the first driven gear 4 is not affected by the operating state of the ratchet wheel 9, that is, when the ratchet wheel 9 does not rotate, the first driven gear 4 can still be driven by the driving wheel 3 to rotate. The matching relation and the relative motion principle of the first driven gear 4 and the ratchet wheel 9 can refer to the pressing head part of the automatic pen.
One side that ratchet 9 kept away from first driven wheel 4 is equipped with the protruding muscle 93 of a plurality of interval distribution, and protruding muscle 93 is regarded as circuit breaker trip shaft trigger end, can be used to touch circuit breaker trip shaft. When the convex rib 93 touches the breaker trip shaft 20, the breaker is tripped, so that the breaker is switched off; when the rib 93 is separated from the breaker trip shaft 20, the breaker is normally closed. In this embodiment, the number of the ribs 92 is four, and the four ribs are uniformly distributed.
One end of the elastic sheet 10 is fixed on the insulating bottom plate 1, and the other end extends to the ratchet wheel 9 and abuts against the surface of the ratchet wheel 9 on the side provided with the convex rib 93, so that on one hand, a downward pressure is applied to prevent the ratchet wheel 9 and the first driven wheel 4 from moving, and on the other hand, the elastic sheet is used for controlling the action state of the ratchet wheel 9. The spring plate 10 is made of an elastic material.
The working principle of controlling the switching-on and the switching-off of the circuit breaker is as follows:
when the detection circuit is in a normal state, the motor 2 is controlled to rotate positively, the first driven gear 4 rotates, one end of the elastic sheet 10 interferes with the convex rib 93, the ratchet wheel 9 does not rotate, the convex rib 93 is separated from the tripping shaft 20 of the circuit breaker, and the circuit breaker is switched on;
when the detection circuit is in an abnormal state, the control motor 2 rotates reversely, the first driven gear 4 drives the ratchet wheel 9 to rotate, the convex rib 93 slides through the elastic sheet 10 and touches the circuit breaker tripping shaft 20, and the circuit breaker is switched off.
In this embodiment, the handle gear 7 is an incomplete gear. The incomplete gear can be used for forward and reverse rotation and intermittent motion. Therefore, the utility model discloses a circuit breaker reclosing device can also be used for manual control, through manual operating handle promptly, makes protruding muscle 93 touch/leave circuit breaker trip shaft, realizes that circuit breaker closes a floodgate or breaks off.
The utility model provides a circuit breaker reclosing device, through meshing a ratchet above first driven gear to and the shell fragment that can interfere with the protruding muscle of ratchet, when the motor corotation, first driven gear rotates, the one end of shell fragment with the protruding muscle interference, the ratchet does not rotate, the circuit breaker closes a floodgate; when the motor rotates reversely, the first driven gear drives the ratchet wheel to rotate, the convex rib slides through the elastic sheet and touches the tripping shaft of the circuit breaker, and the circuit breaker is switched off. The utility model provides a circuit breaker reclosing device, the motor is just reversing and is realizing that the circuit breaker is closed/disconnected, simple structure, and the part is with low costs.
The embodiments of the present invention are described in detail with reference to the drawings, but the present invention is not limited to the described embodiments. Various changes, modifications, substitutions and alterations to these embodiments will occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (5)
1. A circuit breaker reclosing device is characterized by comprising a motor, a driving wheel arranged at the output end of the motor, a first driven gear arranged on one side of the driving wheel and meshed with the driving wheel, a handle gear linked with the first driven gear, a ratchet wheel sleeved on a gear shaft of the first driven gear and meshed with the first driven gear, and a spring plate, wherein a plurality of convex ribs which are distributed at intervals and used for touching a tripping shaft of a circuit breaker are arranged on one side of the ratchet wheel far away from the first driven gear, and one end of the spring plate is abutted to one side surface of the ratchet wheel provided with the convex ribs;
when the motor rotates forwards, the first driven gear rotates, one end of the elastic sheet interferes with the convex rib, the ratchet wheel does not rotate, the convex rib is separated from the tripping shaft of the circuit breaker, and the circuit breaker is switched on;
when the motor rotates reversely, the first driven gear drives the ratchet wheel to rotate, the convex rib slides through the elastic sheet and touches the tripping shaft of the circuit breaker, and the circuit breaker is switched off.
2. The circuit breaker reclosing device of claim 1, wherein the number of the ribs is four, and the ribs are evenly distributed on one side of the ratchet wheel.
3. The circuit breaker reclosing device according to claim 1, wherein a driven wheel pawl is arranged at the center of the first driven gear, a ratchet wheel pawl is arranged at the bottom of the ratchet wheel, and the driven wheel pawl is meshed with the ratchet wheel pawl.
4. The circuit breaker reclosing device according to claim 1, further comprising a second driven gear provided on a side of the first driven gear and engaged with the first driven gear, and a third driven gear provided on a side of the second driven gear and engaged with the second driven gear, wherein the handle gear is provided on a side of the third driven gear and engaged with the third driven gear.
5. The circuit breaker reclosing device of claim 4, wherein the handle gear is a partial gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492081.9U CN212485253U (en) | 2020-07-24 | 2020-07-24 | Circuit breaker reclosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021492081.9U CN212485253U (en) | 2020-07-24 | 2020-07-24 | Circuit breaker reclosing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212485253U true CN212485253U (en) | 2021-02-05 |
Family
ID=74452268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021492081.9U Active CN212485253U (en) | 2020-07-24 | 2020-07-24 | Circuit breaker reclosing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212485253U (en) |
-
2020
- 2020-07-24 CN CN202021492081.9U patent/CN212485253U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20231010 Address after: B-7504, Lugu Yuyuan Production Workshop, No. 27 Wenxuan Road, High tech Development Zone, Changsha City, Hunan Province, 410000 Patentee after: Hunan Anqin Technology Development Co.,Ltd. Address before: 410205 room 230, building 1, No.17, Shaoshan North Road, Furong district, Changsha City, Hunan Province Patentee before: Peng Haoming |