CN220233010U - Electrical interlocking device and high-voltage manual isolating switch cabinet - Google Patents
Electrical interlocking device and high-voltage manual isolating switch cabinet Download PDFInfo
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- CN220233010U CN220233010U CN202321694055.8U CN202321694055U CN220233010U CN 220233010 U CN220233010 U CN 220233010U CN 202321694055 U CN202321694055 U CN 202321694055U CN 220233010 U CN220233010 U CN 220233010U
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- switch
- cabinet
- isolating switch
- detection device
- electromagnetic lock
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- 238000001514 detection method Methods 0.000 claims abstract description 50
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000002955 isolation Methods 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to the technical field of isolating switches, in particular to an electric interlocking device and a high-voltage manual isolating switch cabinet. Comprising the following steps: including electromagnetic lock, spring bolt detection device, controller, voltage detection device and baffle, voltage detection device, electromagnetic lock and spring bolt detection device all with controller communication connection, baffle one end with the spring bolt of electromagnetic lock is connected, the baffle is used for sheltering from the isolator operation hole on the isolator cabinet door. The utility model controls the baffle through the electromagnetic lock, the lock tongue detection device, the controller and the voltage detection device, and when the voltage detection device does not detect the voltage of the incoming line, the electromagnetic lock is controlled to unlock, and the baffle cancels shielding of the operation hole of the isolating switch so as to prevent the operation of the isolating switch with points.
Description
Technical Field
The utility model relates to the technical field of isolating switches, in particular to an electric interlocking device and a high-voltage manual isolating switch cabinet.
Background
The isolating switch cabinet is a cabinet body for installing a switch assembly, wherein the switch assembly specifically comprises a grounding switch assembly and an isolating switch assembly, the grounding switch assembly comprises a grounding switch, a transmission arm and a rotating shaft, the isolating switch assembly comprises an isolating switch, the transmission arm and the rotating shaft, the rotating shaft in the isolating switch assembly is an operation shaft, and the rotating shaft in the isolating switch assembly and the rotating shaft assembly in the grounding switch assembly are provided with a linkage mechanism, so that when the isolating switch is disconnected, the grounding switch is grounded simultaneously. The cabinet door of the isolating switch cabinet is provided with the corresponding operation hole, so that a worker can conveniently operate the operation shaft inside through the operation hole.
The existing isolating switch cabinet only covers the operation hole manually, and has no complete electric locking, namely the isolating switch can not be operated under the condition of no electricity.
Disclosure of Invention
The utility model provides an electric interlocking device and a high-voltage manual isolation switch cabinet, which are used for solving the technical problems in the background technology.
The technical scheme of the utility model is as follows: the electric interlocking device comprises an electromagnetic lock, a lock tongue detection device, a controller, a voltage detection device and a baffle, wherein the voltage detection device, the electromagnetic lock and the lock tongue detection device are in communication connection with the controller, one end of the baffle is connected with the lock tongue of the electromagnetic lock, and the baffle is used for shielding an isolating switch operation hole on a cabinet door of an isolating switch cabinet;
the voltage detection device is used for detecting voltage at the incoming line of the isolating switch cabinet and generating a voltage detection signal, the controller can control the spring bolt of the electromagnetic lock to stretch and retract according to the voltage detection signal so as to change the position of the baffle, the spring bolt detection device can generate a position detection signal according to the position of the spring bolt of the electromagnetic lock, and the controller can send the position detection signal to the upper-level circuit breaker.
Further, set up the rotation fulcrum on the cabinet door of isolator cabinet, the rotation fulcrum is located the middle part of baffle and the baffle can round the rotation fulcrum is rotatory, the baffle with the spring bolt swivelling joint of electromagnetic lock, works as when the spring bolt of electromagnetic lock is the withdrawal state, the baffle shelters from the isolator operation hole on the isolator cabinet door.
Further, the door lock further comprises a guide chute, the guide chute is arranged on a cabinet door of the isolating switch cabinet, and one end of the baffle, deviating from the lock tongue, slides in the guide chute.
Further, the voltage detection device comprises a voltage transformer.
Further, the latch bolt detection device comprises a proximity switch.
Further, the electromagnetic lock adopts a push-pull electromagnet.
Another technical scheme of the utility model is as follows: a high voltage manual isolation switch cabinet comprising any one of the electrical interlocks described above. The electric interlocking device comprises a cabinet body, a cabinet door and a switch assembly, wherein the switch assembly is installed inside the cabinet body, an isolating switch operation hole is formed in the cabinet door and aligned with an isolating switch operation shaft of the switch assembly, and the electric interlocking device is installed on the back surface of the cabinet door of the isolating switch cabinet.
Further, the switch assembly comprises a grounding switch assembly and a disconnecting switch assembly, and a linkage mechanism is arranged between the disconnecting switch operation assembly and the grounding switch operation assembly.
Further, the ground switch assembly includes a ground switch and a ground switch operation shaft, the ground switch is connected to the ground switch operation shaft, and the on-off state of the ground switch can be changed by rotating the ground switch operation shaft.
Further, the isolating switch assembly comprises an isolating switch and an isolating switch operation shaft, the isolating switch is connected with the isolating switch operation shaft, and the opening and closing state of the isolating switch can be changed by rotating the isolating switch operation shaft.
The utility model has the beneficial effects that: the utility model controls the baffle through the electromagnetic lock, the lock tongue detection device, the controller and the voltage detection device, and when the voltage detection device does not detect the voltage of the incoming line, the electromagnetic lock is controlled to unlock, and the baffle cancels shielding of the operation hole of the isolating switch so as to prevent the electrified operation of the isolating switch.
Drawings
Fig. 1 is a schematic front view of the present utility model.
Fig. 2 is a block diagram of the structure of the present utility model.
Fig. 3 is a schematic view of the back of the cabinet door of the utility model.
Fig. 4 is a partial enlarged view of fig. 3.
Fig. 5 is a schematic view of the internal structure of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described in the following with reference to the accompanying drawings, in which the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
In one embodiment of the present utility model, an electrical interlock device is provided, as shown in fig. 2 and 4, which are a block diagram and a schematic diagram, respectively, provided according to a specific structure of the present utility model, and as shown in fig. 2 and 4, the present utility model includes: electromagnetic lock 15, spring bolt detection device 16, controller 19, voltage detection device 2 and baffle 17, wherein, voltage detection device 2, electromagnetic lock 15 and spring bolt detection device 16 all with controller 19 communication connection, baffle 17 one end with the spring bolt of electromagnetic lock 15 is connected, baffle 17 is used for sheltering from isolator operation hole 9 on the isolator cabinet door. The electromagnetic lock 15 is a push-pull type electromagnet.
The voltage detection device 2 is installed in the isolating switch cabinet, specifically in the wire inlet of the isolating switch cabinet, and is used for detecting the voltage at the wire inlet of the isolating switch cabinet and generating a voltage detection signal, and the voltage detection device 2 can be specifically a voltage transformer.
The controller 19 can control the bolt of the electromagnetic lock 15 to stretch out and draw back according to the voltage detection signal, so as to change the position of the baffle 17, thereby controlling the baffle 17 to change between shielding the operation hole 9 of the isolating switch and not shielding the operation hole 9 of the isolating switch, and the controller 19 can specifically adopt a PLC.
The lock tongue detection device 16 is opposite to the lock tongue of the electromagnetic lock 15, and a proximity switch can be specifically adopted. The lock tongue detection device 16 can generate a position detection signal according to the position of the lock tongue of the electromagnetic lock 15, and the controller 19 can send the position detection signal to the upper-level circuit breaker, wherein the upper-level circuit breaker is connected with a switch assembly in the isolating switch cabinet in a state that the upper-level circuit breaker is disconnected, the isolating switch cabinet is not electrified, and meanwhile, the upper-level circuit breaker cannot be closed in a state that the isolating switch operation hole 9 is opened. The upper level circuit breaker is an intelligent circuit breaker, and is well known to those skilled in the art, and thus will not be described herein.
The specific working procedure of the utility model is as follows: under the breaking state of the upper circuit breaker, the voltage detection device 2 detects the voltage at the incoming line of the isolating switch cabinet, when the voltage is not detected, the controller 19 controls the bolt of the electromagnetic lock 15 to extend, so that the baffle 17 does not shield the isolating switch operation hole 9, namely, the isolating switch operation hole 9 is opened, the isolating switch is broken, meanwhile, the bolt detection device 16 detects the change of the position of the bolt of the electromagnetic lock 15, a position detection signal is sent, and the upper circuit breaker cannot perform closing operation according to the position detection signal. When homing is required, a reset signal is input into the controller 19 through an input device, and the controller 19 controls the bolt retraction of the electromagnetic lock 15. Wherein, the switching-on condition of the superior circuit breaker is: the grounding switch is disconnected, the isolating switch is closed, and the operation hole of the isolating switch is closed.
In one embodiment of the present utility model, the baffle 17 is specifically installed as follows: as shown in fig. 2, a rotation pivot is disposed on a cabinet door of the isolation switch cabinet, the rotation pivot is located in the middle of the baffle 17 and the baffle 17 can rotate around the rotation pivot, the baffle 17 is rotationally connected with a lock tongue of the electromagnetic lock 15, and when the lock tongue of the electromagnetic lock 15 is in a retracted state, the baffle 17 shields the isolation switch operation hole 9 on the cabinet door of the isolation switch cabinet. Under this baffle 17 mounted state, the spring bolt stretches out for opening isolator operating hole 9, in this technical scheme, baffle 17 mainly functions as shielding isolator operating hole 9 on the isolator cabinet door, under the state that electromagnetic lock 15 received the signal, open isolator operating hole 9, the mounting means that can satisfy this function for this reason all belongs to the protection position of this application, if baffle 17 upper end is fixed with the spring bolt of electromagnetic lock 15, baffle 17 vertical installation, the lower extreme shields isolator operating hole 9, under the state that electromagnetic lock 15 spring bolt stretched out, baffle 17 position changes, thereby open isolator operating hole 9.
In order to enable the baffle 17 to be better fixed and slide, the door lock further comprises a guide chute, the guide chute is arranged on a cabinet door of the isolating switch cabinet, and one end of the baffle 17, which is away from the lock tongue, slides in the guide chute. Specifically, a strip-shaped plate is installed on a cabinet door of the isolating switch cabinet, a guide chute is formed between the strip-shaped plate and the cabinet door, and one end of a baffle 17 is located inside the guide chute.
As shown in fig. 1, 2, 3, 4 and 5, another technical solution of the present utility model is as follows: a high voltage manual isolation switch cabinet comprising any one of the electrical interlocks described above.
The utility model further comprises a cabinet body, a cabinet door and a switch assembly, wherein the cabinet door is arranged on the cabinet body 18, the switch assembly is arranged in the cabinet body, a disconnecting switch operation hole 9 is formed in the cabinet door, the disconnecting switch operation hole 9 is aligned with a disconnecting switch operation shaft 5 of the switch assembly, and the electric interlocking device is arranged on the back surface of the cabinet door of the disconnecting switch cabinet.
The switch assembly includes: the earthing switch assembly comprises an earthing switch, an earthing switch auxiliary switch 4 and an earthing switch operation shaft 3, wherein the isolating switch assembly comprises an isolating switch, an isolating switch operation shaft 5 and an isolating switch auxiliary switch 6, the earthing switch is connected with the earthing switch operation shaft 5, and the opening and closing state of the earthing switch can be changed by rotating the earthing switch operation shaft 5. The isolating switch is connected with the isolating switch operating shaft, and the opening and closing state of the isolating switch can be changed by rotating the isolating switch operating shaft. The auxiliary earthing switch 4 is connected with the earthing switch operating shaft 3, and is a motor for assisting in rotating the earthing switch operating shaft 3. The auxiliary isolating switch 6 is connected to the isolating switch operating shaft 5 and is used for assisting in rotating the isolating switch operating shaft 5.
And a linkage mechanism 7 is arranged between the isolating switch assembly and the grounding switch assembly, and particularly, when the isolating switch assembly is closed, the linkage mechanism 7 is arranged between the isolating switch operation shaft 5 and the grounding switch operation shaft 3, and the linkage mechanism 7 is a connecting shaft, so that the isolating switch is opened when the grounding switch is closed, and when the same isolating switch is closed, the grounding switch is opened. The isolating switch auxiliary switch 6 and the grounding switch auxiliary switch 4 are used for assisting an operator to operate a corresponding operation shaft, the switch assembly is conventional in the art, and specific connection modes and use methods thereof are well known to those skilled in the art and are not described herein.
Wherein, install earthing switch operating hole 8, isolator operating hole 9, display 10, control room 11, cabinet door electromagnetic lock 12, light 13, observation window 14 on the cabinet door, wherein, earthing switch operating hole 8, isolator operating hole 9 correspond earthing switch operating shaft 3 and isolator operating shaft 5 respectively to make things convenient for the staff to operate isolator and earthing switch in cabinet outside, observation window 14 is used for making things convenient for the staff to observe inside situation, control room 11 then is used for installing equipment such as controller 19, display 10 is connected with controller 19 simultaneously for show current live state.
The controller 19 in the high-voltage manual isolating switch cabinet controls the electromagnetic lock 15 of the isolating switch operation hole 9, and when the isolating switch is electrified to operate, the electromagnetic lock 15 cannot be opened, and the isolating switch operation hole 9 cannot be opened, namely, the isolating switch cannot be operated. And because the grounding switch and the isolating switch are mechanically locked, the grounding switch cannot be closed when the isolating switch is closed, so that the isolating switch is prevented from being illegally operated when in operation, and the aim of safe operation is fulfilled.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.
Claims (10)
1. The electric interlocking device is characterized by comprising an electromagnetic lock (15), a lock tongue detection device (16), a controller (19), a voltage detection device (2) and a baffle plate (17), wherein the voltage detection device (2), the electromagnetic lock (15) and the lock tongue detection device (16) are all in communication connection with the controller (19), one end of the baffle plate (17) is connected with the lock tongue of the electromagnetic lock (15), and the baffle plate (17) is used for shielding an isolating switch operation hole (9) on a cabinet door of an isolating switch cabinet;
the voltage detection device (2) is used for detecting voltage at an incoming line of the isolating switch cabinet and generating a voltage detection signal, the controller (19) can control the bolt of the electromagnetic lock (15) to stretch and retract according to the voltage detection signal so as to change the position of the baffle (17), the bolt detection device (16) can generate a position detection signal according to the position of the bolt of the electromagnetic lock (15), and the controller (19) can send the position detection signal to an upper-level circuit breaker.
2. The electrical interlocking device according to claim 1, characterized in that a rotation fulcrum is arranged on a cabinet door of the isolating switch cabinet, the rotation fulcrum is located in the middle of the baffle plate (17) and the baffle plate (17) can rotate around the rotation fulcrum, the baffle plate (17) is rotationally connected with a lock tongue of the electromagnetic lock (15), and when the lock tongue of the electromagnetic lock (15) is in a retracted state, the baffle plate (17) shields an isolating switch operation hole (9) on the cabinet door of the isolating switch cabinet.
3. The electrical interlock of claim 1 further comprising a guide chute provided on a door of the disconnector, the end of the shutter (17) facing away from the tongue sliding in the guide chute.
4. The electrical interlock device according to claim 1, wherein the voltage detection device (2) comprises a voltage transformer.
5. The electrical interlock of claim 1 wherein said latch detection means (16) comprises a proximity switch.
6. The electrical interlock device according to claim 1, wherein the electromagnetic lock (15) is a push-pull electromagnet.
7. The utility model provides a manual isolator cabinet of high voltage, its characterized in that includes the cabinet body, cabinet door, switch module and any one of claims 1-6 electrical interlock, the cabinet door is installed on the cabinet body, the switch module is installed the cabinet is internal, be provided with isolator operating hole (9) on the cabinet door, isolator operating hole (9) aim at switch module's isolator operating shaft (5), electrical interlock installs the back of isolator cabinet door.
8. The high-voltage manual isolating switch cabinet as claimed in claim 7, wherein the switch assembly comprises a grounding switch assembly and an isolating switch assembly, and a linkage mechanism (7) is arranged between the isolating switch operation assembly and the grounding switch operation assembly.
9. The high-voltage manual disconnecting switch cabinet according to claim 8, characterized in that the grounding switch assembly comprises a grounding switch and a grounding switch operation shaft (3), the grounding switch is connected with the grounding switch operation shaft (3), and the opening and closing state of the grounding switch can be changed by rotating the grounding switch operation shaft (3).
10. The high voltage manual isolation switch cabinet of claim 8, wherein said isolation switch assembly comprises an isolation switch and an isolation switch operating shaft, said isolation switch being connected to said isolation switch operating shaft, the on-off state of the isolation switch being changeable by rotating the isolation switch operating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321694055.8U CN220233010U (en) | 2023-06-30 | 2023-06-30 | Electrical interlocking device and high-voltage manual isolating switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321694055.8U CN220233010U (en) | 2023-06-30 | 2023-06-30 | Electrical interlocking device and high-voltage manual isolating switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233010U true CN220233010U (en) | 2023-12-22 |
Family
ID=89183612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321694055.8U Active CN220233010U (en) | 2023-06-30 | 2023-06-30 | Electrical interlocking device and high-voltage manual isolating switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233010U (en) |
-
2023
- 2023-06-30 CN CN202321694055.8U patent/CN220233010U/en active Active
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