CN213124282U

CN213124282U - Driving device of high-voltage vacuum circuit breaker

Info

Publication number: CN213124282U
Application number: CN202022507877.3U
Authority: CN
Inventors: 张前辉; 柏慧忠; 戚文蔚
Original assignee: Natu Intelligent Technology Changzhou Co Ltd
Current assignee: Natu Intelligent Technology Changzhou Co Ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-04
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a high voltage vacuum circuit breaker's drive arrangement, the mounting panel comprises a mounting panel, turn right by a left side in proper order fixed mounting have voltage transformer, drive case and mechanism case in the top of mounting panel, the top fixed mounting of mechanism case has a plurality of explosion chambers, every the equal fixed mounting in one side of explosion chamber has current transformer, the middle part fixed mounting of mounting panel has a plurality of bracing pieces, every the equal fixed mounting in top of bracing piece has the first insulator, the top fixed mounting of first insulator has the conducting block. The utility model relates to a high pressure vacuum circuit breaker drive arrangement technical field, simple structure, the practicality is strong, has realized keeping apart the part that need have a power failure among the high voltage distribution device reliably with electrified part, has solved the problem that the isolation switch needs manpower manual operation in ordinary high pressure vacuum circuit breaker simultaneously, and not only convenient operation has more promoted the security, and effectively avoids the maintainer casualties.

Description

Driving device of high-voltage vacuum circuit breaker

Technical Field

The utility model relates to a high-pressure vacuum circuit breaker drive arrangement technical field especially relates to a high-pressure vacuum circuit breaker's drive arrangement.

Background

The high-voltage vacuum circuit breaker is named after the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are high vacuum, has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, is relatively popularized in power distribution networks, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, and is particularly suitable for use places requiring no oil, less maintenance and frequent operation.

When keeping apart with electrified part the part that need have a power failure among the high voltage distribution device, need the manual break-make of maintainer to keep apart the switch, not only extravagant manpower and be not convenient for operate, the climbing operation of not being convenient for in sleet day simultaneously, change the phenomenon of taking off the hands during the operation, in case the human error appears, not only can enlarge the generating line, change and lead to the fact the maintainer casualties, the while that influences maintenance efficiency has the potential safety hazard.

To this end, we propose a driving apparatus of a high voltage vacuum circuit breaker to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a driving device of a high-voltage vacuum circuit breaker.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a driving device of a high-voltage vacuum circuit breaker comprises a mounting plate, wherein a voltage transformer, a driving box and a mechanism box are sequentially and fixedly mounted at the top of the mounting plate from left to right, a plurality of arc extinguish chambers are fixedly mounted at the top of the mechanism box, a current transformer is fixedly mounted at one side of each arc extinguish chamber, a plurality of support rods are fixedly mounted at the middle part of the mounting plate, a first insulator is fixedly mounted at the top of each support rod, a conductive block is fixedly mounted at the top of the first insulator, an isolation switch is rotatably connected at one side of the current transformer, a connecting rod is rotatably connected at the bottom of the isolation switch, a second insulator is fixedly mounted at the middle part of the connecting rod, a motor is fixedly mounted inside the driving box, a flywheel is fixedly mounted at the driving end of the motor, a slide bar is fixedly mounted at one side, the slide bar sliding connection has the slider, the top of slider and the bottom fixed connection of connecting rod, one side fixed mounting of slider has the feeler lever, the bottom fixed mounting of slider has the feeler block, the inner wall fixed mounting of drive case has two travel switches, the interior roof fixed mounting of drive case has the circuit board.

Preferably, the inner bottom wall of the driving box is fixedly provided with a base, and the motor is fixedly arranged at the top of the base.

Preferably, the driving box is made of carbon fiber, and the outer wall of the driving box is coated with an insulating coating.

Preferably, the inside fixed mounting of drive case has the battery, motor and circuit board all with battery electric connection.

Preferably, the inner wall of the sliding block is fixedly provided with two buffering pads.

Preferably, the top of drive case fixed mounting has the sealing washer, the inner wall of sealing washer is inconsistent with the outer wall of connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the motor is started, the driving end of the motor drives the flywheel to rotate, the sliding rod slides left and right in the sliding block, the sliding block drives the connecting rod, the abutting rod and the abutting block to move up and down, the isolating disconnecting link moves along with the connecting rod to abut against or be away from the conducting block, when the abutting rod and the abutting block contact the travel switch in the process of moving up and down, the circuit board receives a signal sent by the travel switch and controls the motor to stop running, the requirements of power-on and power-off are met, after the conducting block and the isolating disconnecting link are away, a reliable insulating gap is established, equipment or a circuit to be overhauled is separated from a power supply by an obvious disconnection point, the safety of maintainers and the equipment is guaranteed, the parts needing power failure in the high-voltage distribution device are reliably separated from the electrified parts, and the problem that manual operation is needed by a partition switch in a common high-voltage vacuum, not only convenient operation has promoted the security more, and effectively avoids the maintainer casualties.

2. Carbon fiber possesses characteristics such as light, the intensity is high, high temperature resistant, corrosion-resistant and non-deformable, through setting up the drive box into carbon fiber material, not only weight is lighter, when facing a lot of extreme environment, can also guarantee its normal work moreover.

Drawings

Fig. 1 is a schematic view of an overall structure of a driving apparatus of a high voltage vacuum circuit breaker according to the present invention;

fig. 2 is a schematic sectional structure view of a driving box in a driving apparatus of a high voltage vacuum circuit breaker according to the present invention;

fig. 3 is a schematic cross-sectional view of a partial structure in a driving apparatus of a high voltage vacuum circuit breaker according to the present invention.

In the figure: 1. mounting a plate; 2. an arc extinguishing chamber; 3. a mechanism box; 4. a current transformer; 5. a voltage transformer; 6. a support bar; 7. a first insulator; 8. a conductive block; 9. isolating the disconnecting link; 10. a connecting rod; 11. a second insulator; 12. a drive box; 13. a base; 14. a motor; 15. a flywheel; 16. a slide bar; 17. a slider; 18. a touch bar; 19. a contact block; 20. a travel switch; 21. a circuit board; 22. a storage battery; 23. a cushion pad; 24. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a driving apparatus of a high voltage vacuum circuit breaker, includes a mounting plate 1, a voltage transformer 5, a driving box 12 and a mechanism box 3 are fixedly installed on the top of the mounting plate 1 from left to right in sequence, a plurality of arc-extinguishing chambers 2 are fixedly installed on the top of the mechanism box 3, a current transformer 4 is fixedly installed on one side of each arc-extinguishing chamber 2, a plurality of support rods 6 are fixedly installed in the middle of the mounting plate 1, a first insulator 7 is fixedly installed on the top of each support rod 6, a conductive block 8 is fixedly installed on the top of the first insulator 7, an isolation switch 9 is rotatably connected to one side of the current transformer 4, a connecting rod 10 is rotatably connected to the bottom of the isolation switch 9, a second insulator 11 is fixedly installed in the middle of the connecting rod 10, a motor 14 is fixedly installed inside the driving box 12, a flywheel 15 is fixedly installed on the driving end of the, a sliding rod 16 is connected with a sliding block 17 in a sliding manner, the top of the sliding block 17 is fixedly connected with the bottom of the connecting rod 10, one side of the sliding block 17 is fixedly provided with a touch rod 18, the bottom of the sliding block 17 is fixedly provided with a touch block 19, the inner wall of the driving box 12 is fixedly provided with two stroke switches 20, the inner top wall of the driving box 12 is fixedly provided with a circuit board 21, the arc extinguish chamber 2 is a contact surrounding the switch and is used for limiting the space position of an electric arc and accelerating the extinguishing of the electric arc, the current transformer 4 is used for measuring the circuit current and providing a protection function for the circuit breaker, the voltage transformer 5 is mainly used for providing an operating power supply for the circuit breaker and supplying power for a measuring instrument and a relay protection device, the motor 14 is started, the driving end of the motor 14 drives a flywheel 15 to rotate, the sliding rod 16 slides, keep apart switch 9 and follow connecting rod 10 and remove inconsistent or keep away from with conducting block 8, conflict pole 18 and conflict 19 in-process that reciprocates when touching travel switch 20, circuit board 21 receives the signal that travel switch 20 sent and control motor 14 stop operation, ensure the demand of circular telegram and outage, conducting block 8 keeps away from the back with isolation switch 9, establish reliable insulating gap, the equipment or the circuit that will overhaul is separated with an obvious disconnection point with the power, in order to guarantee the safety of maintainer and equipment, the cooperation of above structure is used, realized keeping apart the part that needs the power failure among the high voltage distribution device reliably with electrified part, the problem that the ordinary high voltage vacuum circuit breaker mesophragma switch needs manpower manual operation has been solved simultaneously, not only convenient operation has more promoted the security, and effectively avoid the maintainer casualties.

Wherein, the inner diapire fixed mounting of drive box 12 has base 13, and motor 14 fixed mounting has made things convenient for motor 14's installation through setting up base 13 at the top of base 13, has improved the stability when motor 14 moves simultaneously.

Wherein, drive box 12 is the carbon fiber material, and the outer wall coating of drive box 12 has insulating coating, and the carbon fiber possesses the characteristics such as light in texture, intensity height, high temperature resistant, corrosion-resistant and non-deformable, through the drive box 12 who sets up to the carbon fiber material, not only weight is lighter, when facing a lot of extreme environment, can also guarantee its normal work moreover.

Wherein, the inside fixed mounting of drive box 12 has battery 22, and motor 14 and circuit board 21 all with battery 22 electric connection, utilize outside electric energy to make inside active material regeneration when battery 22 charges, store the electric energy into chemical energy, convert chemical energy into electric energy output once more when needing to discharge, guarantee through setting up battery 22 the utility model discloses also can normal use when the outage.

Wherein, slider 17's inner wall fixed mounting has blotter 23, and the quantity of blotter 23 is two, and the material of blotter 23 is rubber, and rubber is the high elasticity polymer material that has reversible deformation, is rich in elasticity, can produce great deformation under very little exogenic action, can reconversion after detaching external force, through setting up blotter 23, can reduce slide bar 16 to slider 17's impact force, thereby makes the utility model discloses a structure is difficult for impairedly, and then has promoted life.

Wherein, the top fixed mounting of drive box 12 has sealing washer 24, and the inner wall of sealing washer 24 is inconsistent with the outer wall of connecting rod 10, through setting up sealing washer 24, can guarantee the leakproofness of drive box 12 and avoid the rainwater to enter into drive box 12 in, makes the inside part of drive box 12 be difficult for the short circuit that wets.

The working principle is as follows: in the utility model, the arc extinguish chamber 2 is a contact surrounding the switch, and is used for limiting the space position of the arc and accelerating the arc extinguishing device, the current transformer 4 is used for measuring the circuit current and providing the protection function for the circuit breaker, the voltage transformer 5 is mainly used for providing the operating power supply for the circuit breaker and supplying power for the measuring instrument and the relay protection device, the motor 14 is started, the driving end of the motor 14 drives the flywheel 15 to rotate, so that the slide bar 16 slides left and right in the slide block 17, and further the slide block 17 drives the connecting rod 10, the touch bar 18 and the touch block 19 to move up and down, the isolation knife switch 9 moves along with the connecting rod 10 to be in touch or away from the conductive block 8, when the touch bar 18 and the touch block 19 touch the travel switch 20 in the process of moving up and down, the circuit board 21 receives the signal sent by the travel switch 20 and controls the motor 14 to stop running, and, establish reliable insulating gap, the equipment or circuit that will overhaul is separated with an obvious disconnection point with the power to guarantee the safety of maintainer and equipment, the cooperation of above structure is used, realized keeping apart the part that need have a power failure among the high voltage distribution device reliably with electrified part, solved the problem that the isolation switch needs manpower manual operation in ordinary high-pressure vacuum circuit breaker simultaneously, not only convenient operation has more promoted the security, and effectively avoids the maintainer casualties.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a drive arrangement of high pressure vacuum circuit breaker, includes mounting panel (1), its characterized in that, turn right by a left side in proper order fixed mounting have voltage transformer (5), drive box (12) and mechanism case (3) in the top of mounting panel (1), the top fixed mounting of mechanism case (3) has a plurality of explosion chambers (2), every the equal fixed mounting in one side of explosion chamber (2) has current transformer (4), the middle part fixed mounting of mounting panel (1) has a plurality of bracing pieces (6), every the equal fixed mounting in top of bracing piece (6) has first insulator (7), the top fixed mounting of first insulator (7) has conducting block (8), one side of current transformer (4) is rotated and is connected with isolation switch (9), the bottom of isolating switch (9) is rotated and is connected with connecting rod (10), the middle part fixed mounting of connecting rod (10) has second insulator (11), the inside fixed mounting of drive case (12) has motor (14), the drive end fixed mounting of motor (14) has flywheel (15), one side fixed mounting of flywheel (15) has slide bar (16), slide bar (16) sliding connection has slider (17), the top of slider (17) and the bottom fixed connection of connecting rod (10), one side fixed mounting of slider (17) has and supports feeler lever (18), the bottom fixed mounting of slider (17) has and supports feeler block (19), the inner wall fixed mounting of drive case (12) has two travel switches (20), the interior roof fixed mounting of drive case (12) has circuit board (21).

2. The driving apparatus of a high voltage vacuum circuit breaker according to claim 1, wherein the inner bottom wall of the driving box (12) is fixedly installed with a base (13), and the motor (14) is fixedly installed on the top of the base (13).

3. The driving apparatus of a high-voltage vacuum circuit breaker according to claim 1, wherein the driving box (12) is made of carbon fiber, and the outer wall of the driving box (12) is coated with an insulating coating.

4. The driving device of a high-voltage vacuum circuit breaker according to claim 1, characterized in that a storage battery (22) is fixedly installed inside the driving box (12), and the motor (14) and the circuit board (21) are electrically connected with the storage battery (22).

5. The driving apparatus of a high-voltage vacuum circuit breaker according to claim 1, wherein the inner wall of the sliding block (17) is fixedly provided with two buffering pads (23), and the number of the buffering pads (23) is two.

6. The driving device of the high-voltage vacuum circuit breaker according to claim 1, characterized in that a sealing ring (24) is fixedly installed on the top of the driving box (12), and the inner wall of the sealing ring (24) is abutted against the outer wall of the connecting rod (10).