CN220731402U - Alternating-current high-voltage circuit breaker - Google Patents
Alternating-current high-voltage circuit breaker Download PDFInfo
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- CN220731402U CN220731402U CN202322431131.2U CN202322431131U CN220731402U CN 220731402 U CN220731402 U CN 220731402U CN 202322431131 U CN202322431131 U CN 202322431131U CN 220731402 U CN220731402 U CN 220731402U
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- circuit breaker
- voltage circuit
- wiring
- wiring board
- high voltage
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- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 230000003068 static effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to an alternating current high-voltage circuit breaker in the technical field of circuit breakers, which comprises a protective shell, wherein wiring pipes are fixedly arranged on the upper side and the lower side of the protective shell, a current sensor is fixedly arranged in the wiring pipes, an upper wiring board is fixedly connected to the outer side of the current sensor at the top, and an insulating block is fixedly arranged on the surface of the upper wiring board. According to the utility model, through the arrangement of the protective shell, the structure inside the circuit breaker can be protected, water is prevented from entering the circuit breaker, through the arrangement of the wiring tube, a user inserts the electric wire into the wiring tube, the electric wire is fixed through the clamping bolt, so that the inside is in an electrified state, through the arrangement of the current sensor, the current flowing through the circuit breaker can be monitored and sensed, when the current is overlarge, the sensor converts the information into an electric signal to be transmitted to the control system, so that the electromagnetic coil is powered off, the magnetic force disappears, the movable contact and the fixed contact are separated, and the circuit is powered off.
Description
Technical Field
The utility model relates to the technical field of vacuum circuit breakers, in particular to an alternating-current high-voltage circuit breaker.
Background
The high-voltage vacuum circuit breaker is used as an indispensable main control and protection device in a power system, has a series of advantages of high reliability, large breaking capacity, long maintenance period, no pollution, no explosion hazard, suitability for frequent operation and the like, and is widely and increasingly applied to various fields of power industry, industrial and mining enterprises, railway transportation and the like, and the operation mechanism of the circuit breaker is an important component part of an alternating-current high-voltage vacuum circuit breaker mechanism, and the reliability of the operation of the circuit breaker is directly related to the operation safety of the circuit breaker.
The utility model provides an alternating current high voltage vacuum circuit breaker of application number CN208422772U, the on-line screen storage device comprises a base, casing and fixed part, the casing is fixed to be set up in the top of base, fixed part is fixed to be set up in the inner wall of casing, the fixed working element that is provided with of inner wall of base, the fixed snubber block that is provided with in bottom of base, the fixed explosion chamber that is provided with of inner wall of casing, the fixed contact that is provided with in inner wall top of explosion chamber, the inner wall below activity of explosion chamber is provided with the movable contact, the inner wall both sides of casing are all fixed to be provided with dry piece, fixed part includes mount and turning block, the turning block activity sets up in the outside of mount. This kind of alternating current high voltage vacuum circuit breaker is through setting up mount and rotor, through rotating the rotor on the mount, makes the rotor rotate with the bottom separation or the chucking of explosion chamber to realize the quick assembly disassembly of explosion chamber, be convenient for maintain, easy operation is applicable to high voltage vacuum circuit breaker's production and use, has good development prospect.
However, according to the working principle proposed by the above patent, the applicant believes that although the device can be maintained to a certain extent, in practical use, the device needs to be manually opened, so that the safety is poor, and the device lacks an effective current monitoring system and cannot timely feed back the current condition.
Disclosure of Invention
The utility model provides an alternating-current high-voltage circuit breaker aiming at the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows: the utility model provides an alternating current high voltage circuit breaker, includes the protective housing, the equal fixed mounting in upper and lower both sides of protective housing has the wiring pipe, the inside fixed mounting of wiring pipe has current sensor, the top current sensor's outside fixedly connected with goes up the wiring board, go up wiring board surface fixed mounting has the insulating block, the top fixed mounting of insulating block has solenoid, solenoid's top fixed mounting has the connecting wire, solenoid's top just is located the fixed surface of last wiring board installs the static contact.
Preferably, a lower wiring board is fixedly arranged on the outer side of the current sensor at the bottom, and a limiting pipe is fixedly arranged on the surface of the lower wiring board.
Preferably, a moving contact is movably arranged on the inner side of the limiting pipe, and a return spring is fixedly arranged at the bottom of the moving contact.
Preferably, the clamping bolt is arranged on the top thread of the wiring tube, and the limiting block is fixedly arranged on the outer side of the wiring tube.
Preferably, the bottom of the protective housing is fixedly provided with a bottom plate, and four corners of the bottom plate are provided with mounting holes.
Preferably, the front of the protective housing is provided with a display screen, and the bottom of the display screen is provided with a control button.
Preferably, an arc extinguisher is fixedly arranged at the bottom of the control button, and an ejection pipe is fixedly arranged in the arc extinguisher.
The beneficial effects of the utility model are as follows:
1. according to the utility model, through the arrangement of the protective shell, the structure in the circuit breaker can be protected, water is prevented from entering the circuit breaker, through the arrangement of the wiring tube, a user inserts the electric wire into the wiring tube, the electric wire is fixed through the clamping bolt, so that the inside is in an electrified state, through the arrangement of the current sensor, the current flowing through the circuit breaker can be monitored and induced, when the current is overlarge, the sensor converts the information into an electric signal to be transmitted to the control system, so that the electromagnetic coil is powered off, the magnetic force disappears, and the movable contact and the fixed contact are separated, so that the circuit is powered off, and through the combined arrangement of the sensor and the electromagnetic coil, the device has the capability of monitoring electric power in real time, and the user does not need to manually power off, so that the use safety and the intelligent type of the device are greatly enhanced.
2. According to the utility model, through the arrangement of the upper wiring board and the lower wiring board, when the fixed contact is contacted with the moving contact, the upper wiring board and the lower wiring board form a communicating state, so that electricity can circulate, through the arrangement of the limiting pipe, the moving contact can be prevented from shaking, so that the communication of current is influenced, through the arrangement of the reset spring, when the electromagnetic coil is not electrified, the electromagnetic coil can not generate magnetic force any more, so that the moving contact is pulled back to the original position by the spring, the contact is not contacted any more, the current is disconnected, through the arrangement of the clamping bolts, the thread heads connected at two sides can be fixed, through the arrangement of the bottom plate and the mounting holes, the user can conveniently and fixedly install the whole device, through the arrangement of the display screen, the user can conveniently observe the current in real time, the display screen belongs to a control system, signals transmitted by the current sensor can be processed, through the arrangement of the control button, the user can conveniently and manually control the electrification of the electromagnetic coil, through the arrangement of the arc extinguisher and the arc extinguisher can generate high-pressure gas to blow the arc between the fixed contact and the moving contact when the fixed contact is just separated.
Drawings
FIG. 1 is a front perspective view of the structure of the present utility model;
FIG. 2 is a bottom perspective view of the structure of the present utility model;
FIG. 3 is a front cross-sectional view of the protective housing of the present utility model;
fig. 4 is a top plan view of the structure of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a protective shell; 2. a wire connection tube; 3. a current sensor; 4. an upper wiring board; 5. an electromagnetic coil; 6. a connecting wire; 7. a stationary contact; 8. a lower wiring board; 9. a limiting tube; 10. a moving contact; 11. a return spring; 12. a clamping bolt; 13. a limiting block; 14. a bottom plate; 15. a mounting hole; 16. a display screen; 17. a control button; 18. an arc extinguisher.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, in the embodiment of the utility model, an ac high-voltage circuit breaker includes a protective housing 1, wiring pipes 2 are fixedly installed on the upper side and the lower side of the protective housing 1, a current sensor 3 is fixedly installed inside the wiring pipes 2, an upper wiring board 4 is fixedly connected to the outer side of the top current sensor 3, an insulating block is fixedly installed on the surface of the upper wiring board 4, an electromagnetic coil 5 is fixedly installed on the top of the insulating block, a connecting wire 6 is fixedly installed on the top of the electromagnetic coil 5, and a fixed contact 7 is fixedly installed on the surface of the upper wiring board 4 at the top of the electromagnetic coil 5.
Through the setting of protective housing 1, can form the protection to the inside structure of circuit breaker, and prevent it from intaking, through the setting of wiring pipe 2, the user inserts the wiring pipe 2 inside, fix the electric wire through clamping bolt 12, thereby can make inside form the energized state, through the setting of current sensor 3, can monitor and respond to the electric current that flows through, when the electric current is too big, the sensor converts this information into electric signal conduction to control system, thereby make solenoid 5 outage, the magnetic force disappears, thereby moving contact 10 and stationary contact 7 separation, the circuit is consequently and the outage, joint setting through sensor and solenoid 5, make the device possess electric power real-time supervision's ability, and need not the manual outage of user, form full-automatic overcurrent outage, the safety in utilization and the intelligent of the device are strengthened greatly.
In this embodiment, a lower wiring board 8 is fixedly installed on the outer side of the bottom current sensor 3, and a limiting pipe 9 is fixedly installed on the surface of the lower wiring board 8.
Through the setting of two upper and lower wiring boards, when stationary contact 7 and moving contact 10 contact, can make two upper and lower wiring boards form the UNICOM state to the electrical property can circulate, thereby through the setting of spacing pipe 9, can prevent that moving contact 10 from rocking the UNICOM of deviation influence current.
In this embodiment, a moving contact 10 is movably mounted on the inner side of the limiting tube 9, and a return spring 11 is fixedly mounted on the bottom of the moving contact 10.
By the arrangement of the reset spring 11, when the electromagnetic coil 5 is not electrified, the electromagnetic coil 5 can not generate magnetic force any more, so that the movable contact 10 is pulled back to the original position by the spring, the contacts are not contacted any more, and the current is disconnected.
In this embodiment, the clamping bolt 12 is screwed on the top of the wiring tube 2, and the limiting block 13 is fixedly installed on the outer side of the wiring tube 2.
The thread ends connected on both sides can be fixed by the arrangement of the clamping bolts 12.
In this embodiment, the bottom of the protective housing 1 is fixedly provided with a bottom plate 14, and four corners of the bottom plate 14 are provided with mounting holes 15.
By the arrangement of the bottom plate 14 and the mounting holes 15, the user is facilitated to fixedly mount the whole device.
In this embodiment, the front surface of the protective case 1 is provided with a display screen 16, and the bottom of the display screen 16 is provided with control buttons 17.
Through the setting of display screen 16, can be convenient for the user observe the condition of electric current in real time, display screen 16 belongs to control system, can handle the signal that electric current sensor 3 transmitted, through the setting of control button 17, the user of being convenient for manual control solenoid 5's circular telegram.
In this embodiment, the arc extinguisher 18 is fixedly mounted at the bottom of the control button 17, and the discharge pipe is fixedly mounted inside the arc extinguisher 18.
By providing the arc extinguisher 18 and the discharge pipe, the arc extinguisher 18 can generate and blow out an arc between the fixed contact 7 and the moving contact 10 when the high-pressure gas is discharged from the discharge pipe.
The working principle of the utility model is as follows: when the device is used, a user inserts an electric wire into the wiring tube 2, the electric wire is fixed through the clamping bolt 12, so that an electrified state can be formed inside, the current flowing through the electric wire can be monitored and sensed through the current sensor 3, when the current is overlarge, the sensor converts the information into an electric signal to be transmitted to the control system, so that the electromagnetic coil 5 is powered off, the magnetic force disappears, the movable contact 10 and the fixed contact 7 are separated, the circuit is powered off, the device has the capability of monitoring electric power in real time through the sensor and the electromagnetic coil 5, the user does not need to manually power off, the upper wiring plate and the lower wiring plate can form a communicated state when the fixed contact 7 and the movable contact 10 are contacted through the upper wiring plate and the lower wiring plate, so that the electric property can circulate, the movable contact 10 can be prevented from shaking through the limiting pipe 9, so that the current communication is affected by deflection, when the electromagnetic coil 5 is not electrified through the reset spring 11, the electromagnetic coil 5 can not generate magnetic force any more, the movable contact 10 is pulled back to the original position by the spring, the contacts are not contacted any more, the current is disconnected along with the movable contact, the wire heads connected at two sides can be fixed through the clamping bolts 12, the user can conveniently and fixedly install the whole device through the bottom plate 14 and the mounting holes 15, the user can conveniently observe the current condition in real time through the display screen 16, the display screen 16 belongs to a control system, signals transmitted by the current sensor 3 can be processed, the user can conveniently and manually control the electrification of the electromagnetic coil 5 through the control button 17, and high-pressure gas can be generated and blown away from the arc between the fixed contact 7 and the movable contact 10 when the fixed contact 7 is just separated through the arc extinguisher 18 and the blast pipe arc extinguisher 18.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. An ac high voltage circuit breaker, characterized by: including protective housing (1), the equal fixed mounting in upper and lower both sides of protective housing (1) has wiring pipe (2), the inside fixed mounting of wiring pipe (2) has current sensor (3), top the outside fixedly connected with of current sensor (3) goes up wiring board (4), go up wiring board (4) fixed surface and install the insulating piece, the top fixed mounting of insulating piece has solenoid (5), the top fixed mounting of solenoid (5) has connecting wire (6), the top of solenoid (5) just is located the fixed surface of last wiring board (4) and installs static contact (7).
2. An ac high voltage circuit breaker according to claim 1 wherein: the bottom outside of current sensor (3) fixed mounting has lower wiring board (8), the surface fixed mounting of lower wiring board (8) has spacing pipe (9).
3. An ac high voltage circuit breaker according to claim 2, characterized in that: the inner side of the limiting pipe (9) is movably provided with a moving contact (10), and the bottom of the moving contact (10) is fixedly provided with a reset spring (11).
4. An ac high voltage circuit breaker according to claim 1 wherein: the clamping bolt (12) is arranged on the top thread of the wiring tube (2), and the limiting block (13) is fixedly arranged on the outer side of the wiring tube (2).
5. An ac high voltage circuit breaker according to claim 1 wherein: the bottom of the protective housing (1) is fixedly provided with a bottom plate (14), and four corners of the bottom plate (14) are provided with mounting holes (15).
6. An ac high voltage circuit breaker according to claim 1 wherein: the front of protective housing (1) is provided with display screen (16), the bottom of display screen (16) is provided with control button (17).
7. An ac high voltage circuit breaker according to claim 6 wherein: the bottom of the control button (17) is fixedly provided with an arc extinguisher (18), and an ejection pipe is fixedly arranged in the arc extinguisher (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322431131.2U CN220731402U (en) | 2023-09-07 | 2023-09-07 | Alternating-current high-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322431131.2U CN220731402U (en) | 2023-09-07 | 2023-09-07 | Alternating-current high-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731402U true CN220731402U (en) | 2024-04-05 |
Family
ID=90491743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322431131.2U Active CN220731402U (en) | 2023-09-07 | 2023-09-07 | Alternating-current high-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731402U (en) |
-
2023
- 2023-09-07 CN CN202322431131.2U patent/CN220731402U/en active Active
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