CN221041002U - Gear transmission mechanism of miniature reclosing circuit breaker - Google Patents
Gear transmission mechanism of miniature reclosing circuit breaker Download PDFInfo
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- CN221041002U CN221041002U CN202322701266.6U CN202322701266U CN221041002U CN 221041002 U CN221041002 U CN 221041002U CN 202322701266 U CN202322701266 U CN 202322701266U CN 221041002 U CN221041002 U CN 221041002U
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- gear
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- circuit breaker
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of small reclosing breakers, in particular to a gear transmission mechanism of a small reclosing breaker. The technical proposal comprises: protective housing, circuit board, base, divide-shut brake, blade switch still include: the driving motor is used for driving the gear set to rotate, the opening and closing detection device comprises a stand column magnet fixedly installed on the gear set and two Hall sensors arranged on the circuit board, and the triggering mechanism comprises a boss fixedly installed on the gear set, a supporting rod rotatably installed on the circuit board and two micro switches arranged on the circuit board, and the triggering mechanism is convenient for triggering the action of the blade switch to realize starting and stopping. The utility model can accurately judge the starting and stopping positions of the circuit breaker and timely trigger actions, so that the starting and stopping of the reclosing circuit breaker can be kept durable for a long time.
Description
Technical Field
The utility model relates to the technical field of small reclosing breakers, in particular to a gear transmission mechanism of a small reclosing breaker.
Background
Along with the development of social economy, the use requirement for electric power sources is larger and larger, and the miniature reclosing circuit breaker serving as a basic component in electrical engineering is huge in use quantity and serves as a key application device of reclosing of an electrical main circuit or a branch circuit.
At present, for a reclosing circuit breaker, whether the reclosing circuit breaker can be accurately positioned and matched with the reclosing action to be turned off or not is also measured, whether the using efficiency of the reclosing circuit breaker is excellent or not, for an internal action part, particularly an internal gear linkage part, for a key node of a starting and stopping control point, light sensing control is adopted in the mainstream market at present, a starting position and a stopping position are adopted, but the use condition of the circuit breaker is complicated, along with the lengthening of the using time, a light sensing control end possibly falls into sundries, dust and the like, the light sensing sensitivity of a light sensing element is reduced, and serious cases possibly cause improper starting and stopping to cause bad results.
Disclosure of Invention
Aiming at the problems in the background technology, the utility model provides a small-sized reclosing circuit breaker gear transmission mechanism which can accurately judge the starting and stopping positions of a circuit breaker and trigger actions in time, so that the starting and stopping of the reclosing circuit breaker can be kept durable for a long time.
The technical scheme of the utility model is as follows: the utility model provides a small-size reclosing circuit breaker gear drive mechanism, includes protective housing, circuit board, base, divide-shut brake, blade switch, still includes:
The driving motor is used for driving the gear set to rotate;
The switching-on/off detection device comprises a stand column magnet fixedly arranged on the gear set and two Hall sensors arranged on the circuit board;
The triggering mechanism comprises a boss fixedly arranged on the gear set, a supporting rod rotatably arranged on the circuit board and two micro switches arranged on the circuit board, and the triggering mechanism is convenient for triggering the action of the blade switch to realize start and stop.
Optionally, the driving motor is fixedly installed on the base, a worm is fixedly installed on an output shaft of the driving motor, and an installation groove for placing the driving motor is formed in the circuit board.
Optionally, the gear train includes rotating turbine installed on the base, coaxial fixed mounting is first gear on the turbine, rotate the second gear of installing on the base, coaxial fixed mounting is third gear on the second gear, rotate the fourth gear of installing on the base, coaxial fixed mounting is first sector tooth on the fourth gear, rotate the second sector tooth of installing on the base, worm and turbine intermesh, first gear and second gear intermesh, third gear fourth gear intermesh, first sector tooth and second sector tooth are convenient for constitute meshing transmission.
Optionally, the first sector tooth is provided with a mounting hole, the upright magnet is fixedly mounted in the mounting hole, and the hall sensors are located on the motion trail of the upright magnet and on two sides.
Optionally, the boss is located at the top of the first sector gear, the micro switch is located on the motion track of the boss, and the supporting rod is located on the motion track of the boss.
Optionally, a handle is fixedly installed on the second sector gear, and the handle extends to the outer side of the protective shell.
Compared with the prior art, the utility model has the following beneficial technical effects: the position of the column magnet and the two Hall sensors for opening and closing is accurately judged, and the boss is contacted with the micro switch, so that the micro switch controls the range of the transmission angle of the first sector tooth, the boss can drive the supporting rod to move, when the supporting rod rotates to the position of the blade switch, the action of the blade switch is triggered, the start and stop are realized, the accurate judgment of the start and stop position of the circuit breaker is realized, the action triggering is timely carried out, and the start and stop of the reclosing circuit breaker can be kept durable for a long time;
Further, the blade switch is two positions, the boss is outside the two positions and allows manual switching-on or switching-off, the boss passes through the second blade and is in a switching-off state, and because the first fan tooth and the second fan tooth cannot be meshed at the moment, the first fan tooth and the second fan tooth cannot be manually switched on, and are in a locking state at the moment, so that the reliability of power supply is improved (the reclosing circuit breaker can automatically disconnect a circuit when a short-circuit fault occurs, the safety of power system equipment and personnel is protected, after the fault is eliminated, a reclosing function can automatically or manually switch on, power supply is recovered, the power failure time and influence are reduced), misoperation caused by manual switching-on operation is avoided, and the stable operation of the power system is ensured.
Drawings
FIG. 1 shows a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of an appearance of the present utility model;
FIG. 3 shows a second schematic structural diagram of an embodiment of the present utility model;
FIG. 4 is a schematic diagram of a gear set according to the present utility model;
FIG. 5 is a schematic diagram of a second embodiment of a gear set of the present utility model;
FIG. 6 is a schematic diagram of a circuit board according to the present utility model;
FIG. 7 shows an enlarged view of a portion of the utility model at A in FIG. 3;
fig. 8 shows a partial enlarged view of the utility model at B in fig. 4.
Reference numerals: 1. a protective shell; 2. a circuit board; 3. a base; 4. a worm; 5. a turbine; 6. a first gear; 7. a second gear; 8. a third gear; 9. a fourth gear; 10. a first sector tooth; 11. a second sector tooth; 12. a handle; 13. a hall sensor; 14. a column magnet; 15. a boss; 16. a micro-switch; 17. a driving motor; 18. and a supporting rod.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Examples
As shown in fig. 1-5 and fig. 8, the gear transmission mechanism of the miniature reclosing circuit breaker provided by the utility model comprises a protective shell 1, a circuit board 2, a base 3, a switching-on/off switch and a blade switch, and further comprises: the driving motor 17 and the gear set, driving motor 17 is used for driving the gear set to rotate, driving motor 17 fixed mounting is on base 3, fixed mounting has worm 4 on the output shaft of driving motor 17, be equipped with the mounting groove of placing driving motor 17 on the circuit board 2, the gear set is including rotating turbine 5 of installing on base 3, coaxial fixed mounting is on turbine 5 first gear 6, rotate the second gear 7 of installing on base 3, coaxial fixed mounting is on second gear 7 third gear 8, rotate the fourth gear 9 of installing on base 3, coaxial fixed mounting is on first sector tooth 10 on fourth gear 9, rotate the second sector tooth 11 of installing on base 3, worm 4 and turbine 5 intermesh, first gear 6 and second gear 7 intermesh, the fourth gear 9 intermesh of third gear 8, first sector tooth 10 and second sector tooth 11 are convenient for constitute the meshing transmission, start driving motor 17 drives worm 4 and rotates, thereby drive turbine 5 rotates, drive first gear 6 rotates, thereby make second gear 7 rotate, thereby drive third gear 8 rotates, thereby drive fourth gear 10 rotates, thereby drive first sector tooth 11 and then rotate, and then drive second sector tooth 11 rotates, and then drive first sector tooth 11 rotates, and then drive second sector tooth 11.
As shown in fig. 6-8, the opening and closing detection device comprises a stand column magnet 14 fixedly installed on the gear set and two hall sensors 13 arranged on the circuit board 2, wherein the first sector tooth 10 is provided with a mounting hole, the stand column magnet 14 is fixedly installed in the mounting hole, the hall sensors 13 are positioned on the moving track of the stand column magnet 14 and on two sides, the stand column magnet 14 rotates along with the rotation of the first sector tooth 10, and the hall sensors 13 accurately judge the opening and closing positions according to the magnitude of magnetic force induction.
As shown in fig. 6 and 8, the triggering mechanism comprises a boss 15 fixedly installed on the gear set, a supporting rod 18 rotatably installed on the circuit board 2, and two micro switches 16 arranged on the circuit board 2, the triggering mechanism is convenient for triggering the blade switch to act, start and stop are realized, the boss 15 is positioned at the top of the first fan tooth 10, the micro switches 16 are positioned on the movement track of the boss 15, the supporting rod 18 is positioned on the movement track of the boss 15, when the first fan tooth 10 rotates, the boss 15 is driven to rotate, the boss 15 can touch the micro switches 16 in the moving process, the micro switches 16 are used for controlling the transmission angle range of the first fan tooth 10, the supporting rod 18 can be driven to move in the moving process of the boss 15, and when the supporting rod 18 rotates to the position of the blade switch, the blade switch is triggered to act, and start and stop are realized.
As shown in fig. 1-8, the handle 12 is fixedly installed on the second sector tooth 11, the handle 12 extends to the outer side of the protective housing 1, the handle 12 is fixedly connected with the first sector tooth 10, whether the handle 12 is actually in a switching-on or switching-off position is conveniently judged, the overlapping positions of the two hall sensors 13 and the upright magnet 14 are the switching-off and switching-on positions respectively, the hall sensors 13 sense that the upright magnet 14 stops rotating, the blade switch is in two positions, the boss 15 is out of the two positions and allows manual switching-on or switching-off, the boss passes through the second blade and is in a switching-off state, and at the moment, the first sector tooth 10 and the second sector tooth 11 cannot be meshed so as to be manually switched on, at the moment, the boss 15 is in a locking state through the first blade, switching-off or switching-on can be manually controlled, and the gear only rotates in one clockwise direction.
Working principle: the driving motor 17 is started to drive the first fan tooth 10 to rotate, the upright post magnet 14 rotates along with the rotation of the first fan tooth 10, the Hall sensors 13 accurately judge the opening and closing positions according to the magnitude of magnetic force induction, the superposition positions of the two Hall sensors 13 and the upright post magnet 14 are respectively opening and closing positions, the Hall sensors 13 sense that the upright post magnet 14 stops rotating, when the first fan tooth 10 rotates, the adjusting boss 15 is driven to rotate, the boss 15 can touch the micro switch 16 in the moving process, the micro switch 16 is used for controlling the range of the transmission angle of the first fan tooth 10, the supporting rod 18 can be driven to move in the moving process of the boss 15, when the supporting rod 18 rotates to the position of the blade switch, the opening and closing of the blade switch are realized, the blade switch is in two positions, the boss 15 allows manual closing or opening of the blade switch beyond the two positions, the boss is in the opening state, and the boss 15 can not be manually closed because the first fan tooth 10 cannot be meshed with the second fan tooth 11 at the moment, the boss 15 is in the locking state, the boss 15 can be controlled to be opened or closed manually, and the first blade can be controlled to be opened or closed manually.
The above-described embodiments are merely a few alternative embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (6)
1. The utility model provides a small-size reclosing circuit breaker gear drive mechanism, includes protective housing (1), circuit board (2), base (3), divide-shut brake, blade switch, its characterized in that still includes:
The driving motor (17) and a gear set, wherein the driving motor (17) drives the gear set to rotate;
The switching-on/off detection device comprises a stand column magnet (14) fixedly arranged on the gear set and two Hall sensors (13) arranged on the circuit board (2);
The triggering mechanism comprises a boss (15) fixedly arranged on the gear set, a supporting rod (18) rotatably arranged on the circuit board (2) and two micro switches (16) arranged on the circuit board (2), and the triggering mechanism triggers the blade switch to act so as to realize start and stop.
2. The gear transmission mechanism of the miniature reclosing breaker according to claim 1, wherein the driving motor (17) is fixedly installed on the base (3), a worm (4) is fixedly installed on an output shaft of the driving motor (17), and a mounting groove for placing the driving motor (17) is formed in the circuit board (2).
3. A miniature recloser circuit breaker gear train according to claim 2, wherein the gear train comprises a turbine (5) rotatably mounted on the base (3), a first gear (6) coaxially and fixedly mounted on the turbine (5), a second gear (7) rotatably mounted on the base (3), a third gear (8) coaxially and fixedly mounted on the second gear (7), a fourth gear (9) rotatably mounted on the base (3), a first sector (10) coaxially and fixedly mounted on the fourth gear (9), a second sector (11) rotatably mounted on the base (3), the worm (4) intermeshes with the turbine (5), the first gear (6) intermeshes with the second gear (7), the third gear (8) intermeshes with the fourth gear (9), and the first sector (10) and the second sector (11) facilitate the formation of a meshing transmission.
4. A miniature reclosing circuit breaker gear drive according to claim 3, wherein the first sector tooth (10) is provided with a mounting hole, the column magnet (14) is fixedly mounted in the mounting hole, and the hall sensors (13) are located on the motion track of the column magnet (14) and on both sides.
5. A miniature recloser circuit breaker gear train according to claim 3, wherein the boss (15) is located at the top of the first sector tooth (10), the microswitch (16) is located on the movement track of the boss (15), and the lever (18) is located on the movement track of the boss (15).
6. A miniature recloser circuit breaker gear train according to claim 3, characterised in that the second sector tooth (11) is fixedly provided with a handle (12), the handle (12) extending to the outside of the protective housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322701266.6U CN221041002U (en) | 2023-10-09 | 2023-10-09 | Gear transmission mechanism of miniature reclosing circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322701266.6U CN221041002U (en) | 2023-10-09 | 2023-10-09 | Gear transmission mechanism of miniature reclosing circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221041002U true CN221041002U (en) | 2024-05-28 |
Family
ID=91182516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322701266.6U Active CN221041002U (en) | 2023-10-09 | 2023-10-09 | Gear transmission mechanism of miniature reclosing circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221041002U (en) |
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2023
- 2023-10-09 CN CN202322701266.6U patent/CN221041002U/en active Active
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