CN210015829U - Electric switching-on and switching-off device of air circuit breaker - Google Patents
Electric switching-on and switching-off device of air circuit breaker Download PDFInfo
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- CN210015829U CN210015829U CN201920808190.8U CN201920808190U CN210015829U CN 210015829 U CN210015829 U CN 210015829U CN 201920808190 U CN201920808190 U CN 201920808190U CN 210015829 U CN210015829 U CN 210015829U
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- circuit breaker
- air circuit
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Abstract
The utility model relates to an electric opening and closing device of an air circuit breaker, which comprises a fully insulated frame, a motor, a traction main rope and a movable sliding plate; the utility model discloses an electronic divide-shut brake of low pressure plastic casing type air circuit breaker has avoided the manual operation power consumption excessive, reduces the operating personnel risk when the trouble, has reduced operating personnel's intensity of labour; and the utility model discloses a design with adjustable full insulation frame is applicable to multiple air circuit breaker and uses, has commonality and strong adaptability's characteristics.
Description
Technical Field
The invention relates to the field of electric power, in particular to an electric switching-on and switching-off device of an air circuit breaker.
Background
At present, in a low-voltage distribution network, switching-on and switching-off operations of low-voltage plastic shell type air circuit breakers of a distribution station, a transformer substation and the like can only be manually operated by running personnel, and the operators need to wear low-voltage insulating gloves to approach the low-voltage plastic shell type air circuit breakers to carry out the switching-on and switching-off operations, so that it is difficult for plastic shell type air circuit breakers (400A, 630A) with large capacity to overcome the resistance of mechanical springs to carry out the switching-on and switching-off operations; when the plastic shell type air circuit breaker is switched on or switched off to a fault current, huge electric arcs and sound can be generated, and the personal safety of operators is threatened; moreover, when a low-voltage line is overhauled, a special mechanical lock is not arranged after the low-voltage plastic shell type air circuit breaker is opened, and the condition of mistakenly closing the switch to supply power is easily caused.
Disclosure of Invention
In order to solve the defect that the switching-on and switching-off operation of a low-voltage plastic shell type air circuit breaker can only be manually operated by running manpower in the prior art, the invention provides an electric switching-on and switching-off device of the air circuit breaker.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an electric switching-on and switching-off device of an air circuit breaker is characterized by comprising a fully-insulated frame, a motor, a traction main rope and a movable sliding plate; the motor and the movable sliding plate are arranged on the all-insulation frame, a connector is arranged on the movable sliding plate, two ends of the movable sliding plate are respectively connected with the traction main rope, and the traction main rope is wound on a rotating shaft of the motor.
The electric switching-on and switching-off device is arranged on a low-voltage plastic shell type air circuit breaker, a switch of the air circuit breaker is clamped into a connecting port of a movable sliding plate, when switching-off operation is required, a motor is started and rotates, the motor rotates to pull a traction main rope, the traction main rope drives the movable sliding plate to move upwards, and the movable sliding plate drives a switching-on and switching-off mechanism of the air circuit breaker to realize switching-off operation; when the switching-on operation is required, the polarity of the motor is changed so as to enable the motor to rotate reversely, the motor rotates so as to pull the traction main rope, the traction main rope drives the movable sliding plate to move downwards, and the movable sliding plate drives the switching-on and switching-off mechanism of the air circuit breaker to realize the switching-on operation;
preferably, a battery is arranged on the all-insulation frame, an output end of the battery is connected with a power supply end of the motor, the opening and closing device can work under the condition that no power supply exists, and the reliability of the opening and closing device is improved.
Preferably, the fully-insulated frame is provided with an integrated box, and the battery and the motor are arranged in the integrated box.
Preferably, the two sides of the all-insulation frame are provided with guide grooves, the movable sliding plate is arranged on the guide grooves, and the guide grooves are favorable for reducing the resistance of the movable sliding plate in the sliding process.
Preferably, the all-insulation frame is provided with a rotating wheel group, the traction main rope bypasses the rotating wheel group to be connected with one end of the movable sliding plate, the direction of the traction main rope can be changed by arranging the rotating wheel group, and the friction of the traction main rope in the movement process is reduced.
Preferably, all-insulation frame on be provided with fixed bayonet socket, removal bayonet socket and draw-in groove, be provided with movable screw on the draw-in groove, the removal bayonet socket pass through movable screw and install on all-insulation frame, during the use, with fixed bayonet socket card in air circuit breaker's one end, according to air circuit breaker's size control removal bayonet socket's position, after confirming the position of removing the bayonet socket, fasten the removal bayonet socket through adjusting the position of movable screw on the draw-in groove for divide-shut brake device can be applicable to the air circuit breaker of different specifications.
Preferably, the all-insulation frame is made of an epoxy resin insulation board material with the thickness of 1CM, so that the insulation effect is achieved, and the personal safety of workers is guaranteed.
Preferably, the motor adopts a DC12V direct current brushless 15W motor.
Preferably, the battery is a lithium battery.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the utility model discloses an electronic divide-shut brake of low pressure plastic casing type air circuit breaker has avoided the manual operation power consumption excessive, reduces the operating personnel risk when the trouble, has reduced operating personnel's intensity of labour; and the utility model discloses a design with adjustable full insulation frame is applicable to multiple air circuit breaker and uses, has commonality and strong adaptability's characteristics.
Drawings
Fig. 1 is a diagram of the structure of the device of the present invention.
Fig. 2 is a side view of the structure of the device of the present invention.
Fig. 3 is an internal circuit diagram of embodiment 2.
Fig. 4 is a schematic diagram of the low-voltage plastic shell type air circuit breaker and the electric switching on and off device which are not installed.
Fig. 5 is an installation schematic diagram of the low-voltage plastic shell type air circuit breaker and the electric switching on and off device.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 and 2, an electric switching device of an air circuit breaker is characterized by comprising a fully insulated frame 1, a motor 2, a traction main rope 5 and a movable sliding plate 8; the motor 2 and the movable sliding plate 8 are arranged on the all-insulation frame 1, a connecting port 14 is formed in the movable sliding plate 8, two ends of the movable sliding plate 8 are respectively connected with the traction main rope 5, and the traction main rope 5 is wound on a rotating shaft of the motor 2.
The electric switching-on and switching-off device is installed on a low-voltage plastic shell type air circuit breaker, a switch of the air circuit breaker is clamped into a connecting port 14 of a movable sliding plate 8, when switching-off operation is required, a motor 2 is started, the motor 2 rotates to pull a traction main rope 5, the traction main rope 5 drives the movable sliding plate 8 to move upwards, and the movable sliding plate 8 drives a switching-on and switching-off mechanism of the air circuit breaker to realize the switching-off operation; when the switching-on operation is required, the polarity of the motor 2 is changed so that the motor 2 rotates reversely, the motor 2 rotates so as to pull the traction main rope 5, the traction main rope 5 drives the movable sliding plate 8 to move downwards, and the movable sliding plate 8 drives the switching-off and switching-on mechanism of the air circuit breaker to realize the switching-on operation;
as a preferred embodiment, the fully-insulated frame 1 is provided with a battery 17, the output end of the battery 17 is connected with the power supply end of the motor 2, and the switching device can work even in the absence of power supply, so that the reliability of the switching device is improved.
As a preferred embodiment, the all-insulated frame 1 is provided with an integrated box 10, and the battery 17 and the motor 2 are installed in the integrated box 10.
As a preferred embodiment, guide grooves 9 are formed in two sides of the all-insulation frame 1, the movable sliding plate 8 is installed on the guide grooves 9, and the guide grooves 9 are arranged to reduce the resistance of the movable sliding plate 8 in the sliding process.
As a preferred embodiment, the fully insulated frame 1 is provided with a rotating wheel group 6, the main traction rope 5 bypasses the rotating wheel group 6 and is connected with one end of a movable sliding plate 8, and the rotating wheel group 6 is arranged to change the direction of the main traction rope 5 and reduce the friction of the main traction rope 5 in the movement process.
As a preferred embodiment, the all-insulation frame 1 is provided with a fixed bayonet 15, a movable bayonet 13 and a clamping groove 16, the clamping groove 16 is provided with a movable screw 7, the movable bayonet 13 is mounted on the all-insulation frame 1 through the movable screw 7, when the all-insulation frame is used, the fixed bayonet 15 is clamped at one end of the air circuit breaker, the position of the movable bayonet 13 is adjusted according to the size of the air circuit breaker, and after the position of the movable bayonet 13 is confirmed, the movable bayonet 13 is fastened by adjusting the position of the movable screw 7 on the clamping groove 16, so that the opening and closing device can be suitable for air circuit breakers of different specifications.
As a preferred embodiment, the fully-insulated frame 1 is made of epoxy resin insulating board material with the thickness of 1CM, so that the insulating function is achieved, and the personal safety of workers is guaranteed.
As a preferred embodiment, the motor 2 adopts a DC12V DC brushless 15W motor 2.
As a preferred embodiment, the battery 17 is a lithium battery 17.
As shown in fig. 4 and 5, fig. 4 is a schematic diagram of the low-voltage plastic shell type air circuit breaker and the electric switching device not being installed, and fig. 5 is a schematic diagram of the low-voltage plastic shell type air circuit breaker and the electric switching device being installed.
As shown in fig. 5, the electric switching device is installed on a low-voltage plastic shell type air circuit breaker, a fixed bayonet 15 is clamped at one end of the air circuit breaker, the position of a movable bayonet 13 is adjusted according to the size of the air circuit breaker, after the position of the movable bayonet 13 is confirmed, the movable bayonet 13 is fastened by adjusting the position of a movable screw 7 on a clamping groove 16, a switch of the air circuit breaker is clamped into a connecting port 14 of a movable sliding plate 8, when switching-off operation is to be performed, a motor 2 is started, a battery 17 supplies power to the motor 2 to enable the motor 2 to rotate, the motor 2 rotates to pull a traction main rope 5, the traction main rope 5 drives the movable sliding plate 8 to move upwards along a guide groove 9, and the movable sliding plate 8 drives a switching-off mechanism of the air circuit breaker to realize; when closing operation is to be carried out, the polarity of the motor 2 is changed, so that the motor 2 rotates reversely, the motor 2 rotates to pull the traction main rope 5, the traction main rope 5 drives the movable sliding plate 8 to move downwards along the guide groove 9 under the action of the pulley, and the movable sliding plate 8 drives the switching-closing mechanism of the air circuit breaker to realize closing operation.
Example 2
As shown in fig. 3, the internal electrical schematic diagram of the present invention is shown, wherein DC12V is a DC power supply, SH is a key switch, FU is a fuse, SB1 is a closing button, SB2 is an opening button, KM1 is a closing relay, KM2 is an opening relay, SQ11SQ12 is a closing travel switch, SQ21SQ22 is an opening travel switch, and M is a motor.
The switching-on and switching-off principle of the low-voltage plastic shell type air circuit breaker from switching-off to switching-on is as follows: after an SB1 button is pressed, a KM1 closing relay is electrified, an auxiliary contact KM1 is closed and self-locked, a main contact KM1 is closed, an M motor is electrified to rotate forwards, a movable sliding plate is driven to move upwards, a low-voltage plastic shell type air circuit breaker is closed in place, a SQ11SQ12 closing travel switch is triggered and switched off by the sliding plate, the KM1 closing relay is electrified, the M motor is electrified and stops rotating, the movable sliding plate stops moving, and the low-voltage plastic shell type air circuit breaker is kept at a closing position.
The switching-on and switching-off principle of the low-voltage plastic shell type air circuit breaker is as follows, a SB2 button is pressed, a KM2 switching-off relay is electrified, an auxiliary contact KM2 is closed and self-locked, a main contact KM2 is closed, an M motor is electrified and reversely rotated to drive a movable sliding plate to move downwards, the low-voltage plastic shell type air circuit breaker is switched in place and switched off, a SQ21SQ22 travel switch is triggered and disconnected by a sliding plate, the KM2 switching-off relay is powered off, the M motor is powered off and stops rotating, the movable sliding plate stops moving, and the low-voltage plastic shell type air circuit breaker is.
The locking principle is as follows: when the low-voltage plastic shell type air circuit breaker is kept at the opening or closing position, the SH key switch is rotated to break the circuit, the key is pulled out, and the locking process of the device is completed.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. An electric switching-on and switching-off device of an air circuit breaker is characterized by comprising a fully-insulated frame (1), a motor (2), a traction main rope (5) and a movable sliding plate (8); the motor (2) and the movable sliding plate (8) are installed on the all-insulation frame (1), a connecting port (14) is formed in the movable sliding plate (8), two ends of the movable sliding plate (8) are respectively connected with the traction main rope (5), and the traction main rope (5) is wound on a rotating shaft of the motor (2).
2. An electric on-off device of an air circuit breaker according to claim 1, characterized in that the all-insulated frame (1) is provided with a battery (17), and the output end of the battery (17) is connected with the power supply end of the motor (2).
3. The electric switching-on and switching-off device of the air circuit breaker according to claim 2, characterized in that the all-insulation frame (1) is provided with an integrated box (10), and the battery (17) and the motor (2) are installed in the integrated box (10).
4. The electric switching-on and switching-off device of the air circuit breaker according to claim 1, characterized in that guide grooves (9) are formed in two sides of the fully insulating frame (1), and the movable sliding plate (8) is installed on the guide grooves (9).
5. The electric switching-on and switching-off device of the air circuit breaker according to claim 1, characterized in that the fully insulating frame (1) is provided with a rotating wheel set (6), and the traction main rope (5) bypasses the rotating wheel set (6) and is connected with one end of the movable sliding plate (8).
6. The electric switching-on and switching-off device of the air circuit breaker according to claim 1, characterized in that a fixed bayonet (15), a movable bayonet (13) and a clamping groove (16) are arranged on the fully insulating frame (1), a movable screw (7) is arranged on the clamping groove (16), and the movable bayonet (13) is installed on the fully insulating frame (1) through the movable screw (7).
7. The electric switching-on and switching-off device of the air circuit breaker according to claim 1, characterized in that the all-insulation frame (1) is made of epoxy resin insulation board material with the thickness of 1 CM.
8. The electric switching-on and switching-off device of the air circuit breaker according to claim 1, characterized in that the motor (2) adopts a DC12V DC brushless 15W motor.
9. The electric switching-on and switching-off device of the air circuit breaker according to claim 2, characterized in that the battery (17) adopts a lithium battery (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808190.8U CN210015829U (en) | 2019-05-29 | 2019-05-29 | Electric switching-on and switching-off device of air circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808190.8U CN210015829U (en) | 2019-05-29 | 2019-05-29 | Electric switching-on and switching-off device of air circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN210015829U true CN210015829U (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920808190.8U Active CN210015829U (en) | 2019-05-29 | 2019-05-29 | Electric switching-on and switching-off device of air circuit breaker |
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| CN (1) | CN210015829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071717A (en) * | 2020-09-23 | 2020-12-11 | 华翔翔能科技股份有限公司 | Circuit breaker of easily operating |
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2019
- 2019-05-29 CN CN201920808190.8U patent/CN210015829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071717A (en) * | 2020-09-23 | 2020-12-11 | 华翔翔能科技股份有限公司 | Circuit breaker of easily operating |
| CN112071717B (en) * | 2020-09-23 | 2023-05-05 | 华翔翔能科技股份有限公司 | Circuit breaker easy to operate |
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