CN219610335U - Anti-island low-voltage circuit breaker switching-on and switching-off structure - Google Patents
Anti-island low-voltage circuit breaker switching-on and switching-off structure Download PDFInfo
- Publication number
- CN219610335U CN219610335U CN202320528291.6U CN202320528291U CN219610335U CN 219610335 U CN219610335 U CN 219610335U CN 202320528291 U CN202320528291 U CN 202320528291U CN 219610335 U CN219610335 U CN 219610335U
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- China
- Prior art keywords
- circuit breaker
- connecting rod
- carousel
- driven gear
- voltage circuit
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- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses an anti-island low-voltage circuit breaker opening and closing structure which comprises a shell, a first rotary table and a second rotary table, wherein the second rotary table is connected with a driving mechanism, the first rotary table and the second rotary table are both rotationally connected to the shell, an arc-shaped first guide hole is formed in the first rotary table, a guide column is arranged in the first guide hole and is rotationally connected with a first connecting rod, the first connecting rod is hinged with a second connecting rod, and the second connecting rod is rotationally connected with a fixed column. The opening and closing structure of the anti-islanding low-voltage circuit breaker can meet manual and electric automatic operation, and manual operation is more labor-saving.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to an anti-islanding low-voltage circuit breaker switching-on and switching-off structure.
Background
A circuit breaker is a common electrical device used to turn on and off the power supply in a circuit, and plays a protective role. The anti-island protection device belongs to an outdoor-mounted control protection cabinet, a voltage breaker is arranged in the anti-island device, and when the anti-island device is put into operation by mistake or has a functional failure, the damage of internal components of the anti-island device, such as a protection disturbance resistor, is prevented by tripping the low-voltage breaker.
When the anti-island low-voltage circuit breaker performs the opening and closing operation, two operation modes of manual operation and electric operation are required to be simultaneously satisfied, and the anti-island low-voltage circuit breaker is suitable for being used under different use scenes. The existing switching structure usually requires a relatively large force during manual operation, and the main reason is that components such as gears of an electric automatic structure are touched during manual operation.
Disclosure of Invention
1. The technical problems to be solved are as follows:
aiming at the technical problems, the utility model provides an anti-islanding low-voltage circuit breaker opening and closing structure.
2. The technical scheme is as follows:
the utility model provides an anti-island low voltage circuit breaker divide-shut brake structure, which comprises a housin, first carousel and second carousel, actuating mechanism is connected to the second carousel, first carousel and second carousel all rotate to be connected on the casing, be equipped with curved first guiding hole on the first carousel, be equipped with the guide post in the first guiding hole, the first connecting rod is connected in the guide post rotation, the articulated second connecting rod of first connecting rod, the fixed column is connected in the second connecting rod rotation, the fixed column eccentric setting is on the second carousel, the central point of first carousel is provided with the connecting rod, connecting rod fixed connection drive plate, the centre of drive plate is equipped with the rectangular hole, be equipped with the circuit breaker spanner in the rectangular hole, circuit breaker spanner sliding connection second guiding hole, the second guiding hole sets up on the casing.
Further, one side of the driving plate far away from the connecting rod is provided with a guide rod which is in sliding connection with the guide groove.
Further, a driven gear is fixed on the first rotary table, one side of the driven gear is provided with a mounting seat, a spring is arranged in the mounting seat, the front end of the spring is provided with steel balls, the steel balls are embedded between two adjacent teeth of the driven gear, and the rear end of the spring is provided with a pre-tightening bolt which is in threaded connection with the mounting seat.
Further, the driven gear is meshed with the driving gear, the driving gear is fixedly connected with the driven gear shaft, the driven gear shaft is rotatably connected to the shell, a knob is arranged on the driven gear shaft, and the knob is arranged on the outer side of the shell.
Further, the driving mechanism is a servo motor.
3. The beneficial effects are that:
(1) The switching-on and switching-off structure of the anti-island low-voltage circuit breaker meets the requirements of manual operation and electric automatic operation, and when the electric automatic operation is performed, the guide post can slide in the first guide hole due to the design of the first guide hole, the servo motor is controlled to move the guide post to the edge of the other side of the first guide hole after one-time switching-off or switching-on is finished, the driving gear is rotated to drive the driven gear, the driven gear does not drive the guide post to move, and the manual operation is more labor-saving.
(2) According to the anti-island low-voltage circuit breaker switching-on and switching-off structure, the spring seat, the steel balls and the predicted bolts are arranged, so that the driven gear can be prevented from rotating after the guide post moves to the edge of the other side of the first guide hole.
Drawings
Fig. 1 is a schematic diagram of an anti-islanding low-voltage circuit breaker switching-on/off structure of the utility model;
fig. 2 is a schematic diagram of an external structure of the anti-islanding low-voltage circuit breaker of the utility model.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
As shown in figures 1 to 2 of the drawings,
specific examples: the utility model provides an anti-island low voltage circuit breaker divide-shut brake structure, which comprises a housin 1, first carousel 2 and second carousel 3, the drive mechanism drives its rotation is connected to second carousel 3, first carousel 2 and second carousel 3 all rotate and connect on casing 1, be equipped with curved first guiding hole 4 on the first carousel 2, be equipped with guide post 5 in the first guiding hole 4, first connecting rod 6 is connected in the rotation of guide post 5, first connecting rod 6 articulates second connecting rod 7, second connecting rod 7 rotates and connects fixed column 8, fixed column 8 eccentric arrangement is on second carousel 3, the central point of first carousel 2 is provided with connecting rod 9, connecting rod 9 fixed connection drive plate 10, the centre of drive plate 10 is equipped with rectangular hole 11, be equipped with circuit breaker spanner 12 in the rectangular hole 11, circuit breaker spanner 12 sliding connection second guiding hole 13, second guiding hole 13 sets up on casing 1.
A guide rod 14 is arranged on one side of the driving plate 10 far away from the connecting rod, and the guide rod 14 is connected with a guide groove 15 in a sliding manner.
The first turntable 2 is fixedly provided with a driven gear 16, one side of the driven gear 16 is provided with a mounting seat 17, a spring 18 is arranged in the mounting seat 17, the front end of the spring 18 is provided with a steel ball 19, the steel ball 19 is embedded between two adjacent teeth of the driven gear 16, the rear end of the spring 18 is provided with a pre-tightening bolt 20, and the pre-tightening bolt 20 is in threaded connection with the mounting seat 17.
The driven gear 16 is meshed with the driving gear 21, the driving gear 21 is fixedly connected with the driven gear shaft 22, the driven gear shaft 22 is rotatably connected to the shell 1, a knob 23 is mounted on the driven gear shaft 22, and the knob 23 is arranged outside the shell 1.
The driving mechanism is a servo motor.
The operating principle of the opening and closing structure of the anti-islanding low-voltage circuit breaker is as follows: when the initial position of the guide post 5 is at the head end of the first guide hole 4, and the electric automatic opening and closing is performed, the servo motor drives the second rotary table 3 to rotate, drives the second connecting rod 7 and the first connecting rod 6, the guide post 5 drives the first rotary table 2 to rotate, the driving plate 10 rotates along with the first rotary table 2 and pushes the breaker wrench 12 to slide along the second guide hole 13, closing is completed, the driving motor 10 reversely rotates, the guide post 5 slides to the tail end of the first guide hole 4, at the moment, the first rotary table 2 cannot rotate due to the existence of the first guide hole 4, and then the second rotary table 3 is driven to reversely rotate, so that opening and closing can be realized.
When manual operation brake separation is needed, the driving gear 21 is driven to rotate through the rotary knob 23, the driving gear 21 drives the driven gear 16 to reversely rotate, the first rotary table 2 reversely rotates simultaneously, the guide column 5 is located at the tail end of the first guide hole 4, the first rotary table 2 cannot immediately collide with the guide column 5 when reversely rotating, and the driving plate 10 reversely rotates to drive the circuit breaker wrench 12 to slide along the second guide hole 13 to complete brake separation.
The provision of the steel balls 19 prevents the optional rotation of the driven gear 16, for example, the gravity action of the driving plate 10 may rotate the driven gear 16 during the sliding of the guide post 5 from the first guide hole 4 to the end; the steel ball 19 is pressed in the tooth gap by the spring 18, and the rotation of the driven gear 16 during manual operation or electric automatic operation is not affected due to certain elasticity of the spring 18.
While the utility model has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model, and it is intended that the scope of the utility model shall be defined by the appended claims.
Claims (5)
1. The utility model provides an anti-island low voltage circuit breaker divide-shut brake structure, a serial communication port, which comprises a housin, first carousel and second carousel, second carousel connection actuating mechanism, first carousel and second carousel are all rotated and are connected on the casing, be equipped with curved first guiding hole on the first carousel, be equipped with the guide post in the first guiding hole, the first connecting rod is connected in the guide post rotation, the articulated second connecting rod of first connecting rod, the fixed column is connected in the second connecting rod rotation, the fixed column eccentric arrangement is on the second carousel, the central point of first carousel is provided with the connecting rod, connecting rod fixed connection drive plate, the centre of drive plate is equipped with the rectangular hole, be equipped with the circuit breaker spanner in the rectangular hole, circuit breaker spanner sliding connection second guiding hole, the second guiding hole sets up on the casing.
2. The opening and closing structure of the anti-islanding low-voltage circuit breaker according to claim 1, wherein a guide rod is arranged on one side, far away from the connecting rod, of the driving plate, and the guide rod is connected with the guide groove in a sliding mode.
3. The opening and closing structure of the anti-islanding low-voltage circuit breaker according to claim 1, wherein a driven gear is fixed on the first rotary table, a mounting seat is arranged on one side of the driven gear, a spring is arranged in the mounting seat, a steel ball is arranged at the front end of the spring and embedded between two adjacent teeth of the driven gear, a pre-tightening bolt is arranged at the rear end of the spring, and the pre-tightening bolt is in threaded connection with the mounting seat.
4. The opening and closing structure of the anti-islanding low-voltage circuit breaker according to claim 3, wherein the driven gear is meshed with the driving gear, the driving gear is fixedly connected with the driven gear shaft, the driven gear shaft is rotatably connected to the shell, a knob is mounted on the driven gear shaft, and the knob is arranged outside the shell.
5. The anti-islanding low-voltage circuit breaker switching-on and switching-off structure according to claim 4, wherein the driving mechanism is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320528291.6U CN219610335U (en) | 2023-03-17 | 2023-03-17 | Anti-island low-voltage circuit breaker switching-on and switching-off structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320528291.6U CN219610335U (en) | 2023-03-17 | 2023-03-17 | Anti-island low-voltage circuit breaker switching-on and switching-off structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219610335U true CN219610335U (en) | 2023-08-29 |
Family
ID=87745932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320528291.6U Active CN219610335U (en) | 2023-03-17 | 2023-03-17 | Anti-island low-voltage circuit breaker switching-on and switching-off structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219610335U (en) |
-
2023
- 2023-03-17 CN CN202320528291.6U patent/CN219610335U/en active Active
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