CN210379849U - Low-voltage incoming cabinet and grounding switch protection interlocking device thereof - Google Patents
Low-voltage incoming cabinet and grounding switch protection interlocking device thereof Download PDFInfo
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- CN210379849U CN210379849U CN201921604345.2U CN201921604345U CN210379849U CN 210379849 U CN210379849 U CN 210379849U CN 201921604345 U CN201921604345 U CN 201921604345U CN 210379849 U CN210379849 U CN 210379849U
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- cabinet door
- shaft
- baffle
- control shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000700608 Sagitta Species 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a low pressure inlet wire cabinet and earthing switch protection interlock thereof, earthing switch protection interlock including being used for rotating the setting at the internal control shaft of cabinet, be used for the activity assembly in the inboard of cabinet door and can reciprocate the action with the baffle of sheltering from and opening the handle hole of control shaft on the cabinet door, be used for setting up in the cabinet door outside with the operation structure of operation baffle activity, be used for with circuit breaker signal connection's controller, controller control connection has the electromagnetic lock, and the locking lever of electromagnetic lock has in its flexible stroke and keeps off the position and dodge the position, interlock still including be used for connecting the drive shaft at earthing switch and drive mechanism between the control shaft with hole drive shaft rotation in time at the operation control shaft realizes earthing switch's separating brake and combined floodgate. When the breaker is switched on, the interlocking relation of disconnection of the grounding switch avoids the situation of live overhaul, the convenience of overhaul is ensured, the operation is convenient, and the overhaul safety is improved.
Description
Technical Field
The utility model relates to a low pressure inlet wire cabinet and earthing switch protection interlock thereof.
Background
The current low pressure inlet wire cabinet includes low tension cable and the cabinet body, and the gold sagitta that lies in low tension cable in the cabinet body is connected with circuit breaker and current transformer with the outlet terminal, and because low pressure inlet wire cabinet does not take the earthing switch usually, at the maintenance in-process of reality, need break off the inlet wire circuit breaker earlier, in order to guarantee personnel's safety, still can examine with the electrography usually whether electrified could overhaul of low pressure generating line inspection, this just causes maintenance work complicacy, and under the circumstances of carelessness, the electric shock accident takes place very probably.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-voltage incoming line cabinet, which solves the problems that the low-voltage incoming line cabinet in the prior art is complex to overhaul and can generate electric shock; an object of the utility model is also to provide a earthing switch protection interlock of this low pressure inlet wire cabinet.
In order to solve the problem, the utility model relates to an earthing switch protection interlock adopts following technical scheme:
the earthing switch protection interlocking device comprises a control shaft which is rotatably arranged in a cabinet body, a baffle which is movably assembled on the inner side of a cabinet door and can reciprocate to shield and open an operation hole of the control shaft on the cabinet door, an operation structure which is arranged on the outer side of the cabinet door to operate the baffle to move, and a controller which is in signal connection with a circuit breaker, the controller is connected with an electromagnetic lock arranged in the cabinet body in a control way, a lock rod of the electromagnetic lock is provided with a blocking position which is controlled by the controller to lose electricity and extend out to block the moving path of the baffle plate so as to avoid the baffle plate from opening the operating hole when the breaker is switched on, and an avoiding position which is controlled by the controller to retract electricity to avoid the baffle plate when the breaker is switched off, the interlocking device also comprises a transmission mechanism which is connected between the driving shaft of the grounding switch and the control shaft so as to drive the driving shaft to rotate when the control shaft is operated to realize the opening and closing of the grounding switch.
Furthermore, the transmission mechanism is a connecting rod assembly, and comprises an output crank arm arranged on a driving shaft of the grounding switch, an input crank arm arranged on the control shaft and a transmission rod with two ends respectively hinged on the input crank arm and the output crank arm.
Furthermore, the interlocking device comprises a supporting shaft which is used for being rotatably arranged on the cabinet door, the baffle plate is rotatably arranged on the supporting shaft, and the operation structure is an operation knob which is coaxially and fixedly connected with the supporting shaft.
Furthermore, the baffle is connected with a return spring which is connected with the cabinet body to return the baffle from the position of opening the operation hole to the position of shielding the operation hole.
The utility model relates to a low pressure inlet wire cabinet adopts following technical scheme:
the low-voltage incoming line cabinet comprises a cabinet body, a circuit breaker is arranged in the cabinet body, a grounding switch is further arranged in the cabinet body, an interlocking device is arranged between the grounding switch and the circuit breaker, the interlocking device comprises a control shaft which is rotatably arranged in the cabinet body, an operation hole for a key to be inserted into to rotate the control shaft is arranged at a position, corresponding to the shaft end of the control shaft, on a cabinet door of the cabinet body, a baffle which can reciprocate to block the operation hole and open the operation hole is movably assembled at the inner side of the cabinet door, an operation structure for operating the baffle to move is arranged at the outer side of the cabinet door, the interlocking device further comprises a controller which is in signal connection with the circuit breaker, the controller is in control connection with an electromagnetic lock arranged in the cabinet, a lock rod of the electromagnetic lock is provided with a blocking position which is controlled by the controller to lose power and extend out to block the movable path of the baffle when the, the grounding switch is characterized by also comprising an avoiding position for avoiding the baffle by electrifying and retracting when the breaker is opened, and a transmission mechanism is connected between a driving shaft of the grounding switch and the control shaft so as to drive the driving shaft to rotate when the control shaft is operated to realize the opening and closing of the grounding switch.
Furthermore, the transmission mechanism is a connecting rod assembly and comprises an output crank arm arranged on a driving shaft of the grounding switch, an input crank arm arranged on the control shaft and a transmission rod with two ends respectively hinged on the input crank arm and the output crank arm.
Furthermore, the inside of cabinet door is provided with the back shaft, the baffle rotates and sets up on the cabinet door, operation structure is the operation knob that sets up in the cabinet door outside and with the coaxial fixed connection of back shaft.
Furthermore, a return spring for returning the baffle from the position of opening the operation hole to the position of shielding the operation hole is connected between the baffle and the cabinet body.
Furthermore, an electromagnetic door lock is arranged on the cabinet door, a lock rod of the electromagnetic door lock can extend out to close the cabinet door and retract to open the cabinet door in the telescopic stroke of the electromagnetic door lock, the controller is connected with the electromagnetic door lock in a control mode, and the electromagnetic door lock is in signal connection with the driving shaft to enable the lock rod to retract when the grounding switch is switched on so as to open the cabinet door.
The utility model has the advantages as follows: compared with the prior art, the utility model relates to a low pressure inlet wire cabinet, through set up earthing switch in the cabinet, set up interlock between earthing switch and the circuit breaker, in the actual use, when the system is in normal live working process, the circuit breaker in the low pressure inlet wire cabinet closes a floodgate, install the electromagnetic lock in the low pressure inlet wire cabinet and be controlled by the controller and lose the electricity shutting, the locking lever stretches out to on the activity route of baffle this moment, and the baffle can't get into the operating hole operation earthing switch because of sheltering from the operating hole on the cabinet door from leading to the key at this moment, namely earthing switch can't realize closing, and then realized under the combined floodgate state, earthing switch disconnection's requirement; furthermore, when the incoming line of the system and the breaker are both opened and closed, the whole system is powered off, the electromagnetic lock is controlled by the controller to be powered on and unlocked, the lock rod retracts to avoid the movable path of the baffle, the baffle can be moved away through an operation structure on an operation cabinet door, the operation hole is opened, and if the electromagnetic lock can be directly inserted into the operation hole, the closing operation of the grounding switch is realized; the structure is simple, and when the breaker is switched on, the grounding switch is disconnected; when the circuit breaker breaks off the floodgate, the closed interlocking relation of earthing switch, when overhauing in the later stage, the workman can judge whether the circuit breaker has broken off the floodgate through operation baffle, if the break-off then only need with earthing switch direct closure, guarantee out cabinet bus ground connection, avoid appearing the electrified situation of overhauing, guarantee the convenience of overhauing, the operation is more convenient, improves the security of overhauing.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described as follows:
fig. 1 is a schematic structural view of a low-voltage incoming cabinet according to an embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a rear view of the cabinet door of FIG. 1;
FIG. 4 is a schematic diagram illustrating an assembled relationship between the blocking plate and the electromagnetic lock shown in FIG. 3;
FIG. 5 is a front view of the cabinet door of FIG. 1;
fig. 6 is a schematic structural diagram of the transmission mechanism in fig. 1.
Description of reference numerals: 1-a cabinet body; 2-cabinet door; 3-a circuit breaker; 4-a grounding switch; 5-a control shaft; 6-a transmission mechanism; 7-an electromagnetic lock; 8-a drive shaft; 9-a support plate; 10-a baffle plate; 11-a stop section; 12-a return spring; 13-supporting the shaft; 14-locking bar; 15-operation hole; 16-operating a knob; 17-an electromagnetic door lock; 18-input crank arm; 19-output crank arm; 20-transmission rod.
Detailed Description
In order to make the technical purpose, technical solution and advantageous effects of the present invention clearer, the technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.
The embodiment of the low-voltage incoming cabinet of the utility model is shown in figures 1-6, in the embodiment, the low-voltage incoming cabinet comprises a cabinet body 1 and a circuit breaker 3 arranged in the cabinet body 1, wherein a cabinet door 2 is arranged at the lower part of the front side of the cabinet body 1, the cabinet door 2 is hinged on the cabinet body 1, a grounding switch 4 is arranged at the lower side in the cabinet body 1, the grounding switch 4 is a three-phase three-wire system grounding switch, preferably a JN15-12 type small-distance indoor grounding switch of a 10KV system, the width requirement of the low-voltage switch cabinet is met, all operating mechanisms adopt mechanisms matched with a KYN28-12 type high-voltage switch cabinet, it has a driving shaft 8, in the course of rotation of driving shaft 8, the various knife blades of grounding switch 4 are driven to act, and then the opening and closing of the grounding switch 4 are realized, and the structure and the type of the grounding switch 4 are consistent with those in the prior art and are not described in detail.
The driving shaft 8 is transversely arranged in the cabinet body 1 along the direction in which the axis extends left and right, an interlocking device is arranged between the grounding switch 4 and the circuit breaker 3, and when the circuit breaker 3 is switched on, it is ensured that the grounding switch 4 cannot be switched on, specifically, a control shaft 5 with an axis extending in the front and rear directions is arranged at the upper side of the grounding switch 4 at the corresponding position in the cabinet body 1, the control shaft 5 is rotatably arranged on a frame in the cabinet body 1 through a bearing, and an operation hole 15 for inserting a key to rotate the control shaft 5 is arranged at the front end position of the control shaft 5 on the cabinet door 2 of the cabinet body 1, namely, during actual operation, the key can be stretched into and is in rotation-stopping fit with the control shaft 5 through operation, and in the process of rotating the key, the control shaft 5 is driven to rotate, in the embodiment, the key is a control handle, and the specific structure is not.
The transmission mechanism 6 is connected between the control shaft 5 and the driving shaft 8 of the ground switch 4, and the rotation of the control shaft 5 drives the driving shaft 8 to rotate through the rotation of the transmission mechanism 6, so as to realize the opening and closing of the ground switch 4, and in this embodiment, the transmission mechanism 6 is a link assembly, and specifically comprises an output crank arm 19 arranged on the driving shaft 8 of the ground switch 4, an input crank arm 18 arranged on the control shaft 5, and a transmission rod 20 with two ends respectively hinged to the input crank arm 18 and the output crank arm 19, during transmission, the control shaft 5 rotates to drive the input crank arm 18 to swing, the input crank arm 18 pulls the transmission rod 20 to move upwards or downwards, and the other end of the transmission rod 20 pushes the output crank arm 19 to swing around the axis of the driving shaft 8, so as to drive the driving shaft 8 to move.
A series of actions of the transmission mechanism 6, the driving shaft 8 and the control shaft 5 are all realized by inputting external force by rotating the control shaft 5, and in order to avoid manual misoperation of the control shaft 5, a supporting plate 9 is fixed on the inner side surface of the cabinet door 2, the supporting plate 9 is fixed on the inner side surface of the cabinet door 2 through screws, an avoiding groove for avoiding the operation hole 15 is formed in the supporting plate 9, a supporting shaft 13 is also rotatably arranged on the supporting plate 9, the axis of the supporting shaft 13 extends forwards and backwards, the front end of the supporting shaft 13 extends out of the front plate surface of the cabinet door 2, and an operation knob 16 is arranged at the position, outside the cabinet door 2, of the front end of the supporting shaft 13. Through the manual twisting operation knob 16, can drive the back shaft 13 and rotate, in this embodiment, be fixed with the baffle 10 of face and back shaft 13 axis vertical on the back shaft 13, this baffle 10 can swing around the axis of back shaft 13, rotate through back shaft 13 and drive baffle 10 and swing, simultaneously, this baffle 10 can shelter from handle hole 15 and open handle hole 15 in the swing stroke, if under no external force, baffle 10 droops down, shelters from between handle hole 15 and control shaft 5, and when receiving the external force swing, can open handle hole 15 for the key stretches into.
In this embodiment, in order to realize the interlocking between circuit breaker 3 and earthing switch 4, still be equipped with the controller in the cabinet body 1, this controller and 3 signal connection of circuit breaker, controller control connection has electromagnetic lock 7 of setting on cabinet door 2, in control process, circuit breaker 3 closes a floodgate, then closing signal is received to the controller, and control electromagnetic lock 7 loses the electricity shutting, locking lever 14 stretches out, circuit breaker 3 separating brake, then the controller is opened and is received separating brake signal, and control electromagnetic lock 7 unblocks that gets electricity, locking lever 14 withdrawal. The electromagnetic lock 7 is specifically arranged right above the baffle plate 10, and the lock rod 14 extends downwards and retracts upwards, meanwhile, the baffle plate 10 in the embodiment comprises a plate body and a blocking section 11 extending along a plate surface perpendicular to the plate body, and when the lock rod 14 of the electromagnetic lock 7 extends, the lock rod is just blocked at one side of the blocking section 11, so that the lock rod 14 can be blocked in the swinging stroke of the baffle plate 10, and the misoperation of the baffle plate 10 to open the operation hole 15 is avoided. That is, the lock lever 14 has, in its telescopic stroke, a blocking position that is extended by being controlled by the controller to lose power to block the swing path of the barrier 10 when the circuit breaker 3 is closed, thereby preventing the barrier 10 from opening the operation hole 15, and an avoiding position that is retracted by being controlled by the controller to avoid the barrier 10 when the circuit breaker 3 is opened. The interlocking between the circuit breaker 3 and the grounding switch 4 is realized through the limit relation between the electromagnetic lock 7 and the baffle plate 10.
Meanwhile, as shown in fig. 4, a return spring 12 is connected between the shutter 10 and the support plate 9, and the return spring 12 is used for driving the shutter 10 to return from a position of opening the operation hole 15 to a position of blocking the operation hole 15 after the key is removed. Automatic resetting of the shutter 10 is achieved.
In this embodiment, during actual operation, when the system is in a normal live-line operation process, the circuit breaker 3 in the low-voltage incoming line cabinet is switched on, the electromagnetic lock 7 installed in the low-voltage incoming line cabinet is controlled by the controller to be switched off and locked, at this time, the lock rod 14 extends out to the movable path of the baffle plate 10, and at this time, the baffle plate 10 shields the operation hole 15 on the cabinet door 2, so that a key cannot enter the operation hole 15 to operate the grounding switch 4, that is, the grounding switch 4 cannot be switched on, and further, the requirement that the grounding switch 4 is switched off in a switched-on state is met; further, when the inlet wire of system and circuit breaker 3 divide the floodgate disconnection equally, entire system outage, electromagnetic lock 7 is controlled by the controller and has got the electric unblock this moment, locking lever 14 withdrawal, dodge the activity route of baffle 10, can pass through the operation structure on the operation cabinet door 2 this moment, move away baffle 10, and then open operation hole 15, it can disect insertion to operation hole 15 to be, realize the combined floodgate operation to earthing switch 4, during normal operation, drive control shaft 5 through the key and rotate, control shaft 5 drives earthing switch 4's drive shaft 8 actions through drive mechanism 6, 8 drive earthing switch 4's combined floodgate of drive shaft.
In this embodiment, in order to realize the interlocking of earthing switch 4 and cabinet door 2, be provided with electromagnetic door lock 17 on cabinet door 2, electromagnetic door lock 17 can stretch out in its working stroke flexible locking lever in order to close cabinet door 2, withdraw in order to unblock cabinet door 2, and the controller is connected with electromagnetic door lock 17 control, and the controller is connected with drive shaft 8 signal in order to make flexible locking lever retract and can open cabinet door 2 when earthing switch 4 closes the floodgate.
In this embodiment, the controller can adopt the controller in the prior art, such as PLC, singlechip etc. the model can adopt models such as singlechip 8051, and technicians in this field can select wantonly according to actual need, and the signal acquisition between controller and circuit breaker 3, drive shaft 8 is prior art, can adopt current signal collection between circuit breaker 3 and the controller, can adopt 8 angle signal collections of drive shaft between drive shaft 8 and the controller etc. technicians in this field can design wantonly.
In this embodiment, the transmission mechanism 6 is a connecting rod assembly, and in other embodiments, the transmission mechanism may also be a gear transmission mechanism, or may also be a chain transmission or a belt transmission.
In this embodiment, the operation knob 16 is an operation structure, in other embodiments, the baffle plate may also move in a horizontal or vertical direction in a translational motion, and the operation hole is opened and closed in a translational stroke, at this time, the baffle plate may be shifted to translate through the slot on the cabinet door and the shifting piece.
In other embodiments, the reset of the baffle can also be realized by using a reverse screwing operation knob.
The utility model relates to a earthing switch protection interlock's embodiment, its structure is unanimous with the interlock in foretell low pressure inlet wire cabinet's embodiment's structure, no longer expandes in detail.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating but not limiting the technical solution of the present invention, and any equivalent replacement and modification or partial replacement which do not depart from the spirit and scope of the present invention should be covered within the protection scope of the claims of the present invention.
Claims (9)
1. The earthing switch protection interlocking device is characterized by comprising a control shaft which is rotatably arranged in a cabinet body, a baffle which is movably assembled on the inner side of a cabinet door and can reciprocate to block and open an operation hole of the control shaft on the cabinet door, and an operation structure which is arranged on the outer side of the cabinet door and can operate the baffle to move And (4) switching on and switching off.
2. The earthing switch protection interlock device according to claim 1, wherein the transmission mechanism is a link assembly including an output crank arm provided on a drive shaft of the earthing switch and an input crank arm provided on a control shaft, and further including a transmission lever having both ends respectively hinged to the input crank arm and the output crank arm.
3. The earthing switch protection interlock device according to claim 2, wherein the interlock device comprises a support shaft rotatably disposed on the cabinet door, the baffle plate is rotatably disposed on the support shaft, and the operation structure is an operation knob coaxially and fixedly connected with the support shaft.
4. The earthing switch protection interlock device according to claim 3, wherein a return spring is connected to the shutter for returning the shutter from a position of opening the operation hole to a position of blocking the operation hole, in connection with the cabinet.
5. A low-voltage incoming line cabinet comprises a cabinet body, wherein a circuit breaker is arranged in the cabinet body, and the low-voltage incoming line cabinet is characterized in that a grounding switch is further arranged in the cabinet body, an interlocking device is arranged between the grounding switch and the circuit breaker, the interlocking device comprises a control shaft which is rotatably arranged in the cabinet body, an operation hole for a key to be inserted into to rotate the control shaft is arranged on a position, corresponding to the shaft end of the control shaft, on a cabinet door of the cabinet body, a baffle plate which can reciprocate to shield the operation hole and open the operation hole is movably assembled on the inner side of the cabinet door, an operation structure for operating the baffle plate to move is arranged on the outer side of the cabinet door, the interlocking device further comprises a controller which is in signal connection with the circuit breaker, the controller is in control connection with an electromagnetic lock which is arranged in the cabinet, a lock rod of the electromagnetic lock is provided with a blocking position which is controlled by the controller to lose power and extend out, the grounding switch is characterized by also comprising an avoiding position for avoiding the baffle by electrifying and retracting when the breaker is opened, and a transmission mechanism is connected between a driving shaft of the grounding switch and the control shaft so as to drive the driving shaft to rotate when the control shaft is operated to realize the opening and closing of the grounding switch.
6. The low-voltage inlet cabinet as claimed in claim 5, wherein the transmission mechanism is a connecting rod assembly, and comprises an output crank arm arranged on the driving shaft of the grounding switch, an input crank arm arranged on the control shaft, and a transmission rod with two ends respectively hinged on the input crank arm and the output crank arm.
7. The low-voltage wire inlet cabinet as claimed in claim 6, wherein a support shaft is provided at an inner side of the cabinet door, the baffle is rotatably provided on the cabinet door, and the operation structure is an operation knob which is provided at an outer side of the cabinet door and is coaxially and fixedly connected with the support shaft.
8. The low-voltage wire inlet cabinet as claimed in claim 7, wherein a return spring for returning the baffle from a position of opening the operation hole to a position of shielding the operation hole is further connected between the baffle and the cabinet body.
9. The low-voltage incoming line cabinet according to any one of claims 5 to 8, wherein an electromagnetic door lock is arranged on the cabinet door, a lock rod of the electromagnetic door lock can extend out to close the cabinet door and retract to open the cabinet door in a telescopic stroke of the electromagnetic door lock, the controller is connected with the electromagnetic door lock in a control manner, and the electromagnetic door lock is in signal connection with the driving shaft to retract the lock rod when the grounding switch is switched on so as to open the cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921604345.2U CN210379849U (en) | 2019-09-25 | 2019-09-25 | Low-voltage incoming cabinet and grounding switch protection interlocking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921604345.2U CN210379849U (en) | 2019-09-25 | 2019-09-25 | Low-voltage incoming cabinet and grounding switch protection interlocking device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210379849U true CN210379849U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921604345.2U Expired - Fee Related CN210379849U (en) | 2019-09-25 | 2019-09-25 | Low-voltage incoming cabinet and grounding switch protection interlocking device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN210379849U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909777A (en) * | 2021-01-21 | 2021-06-04 | 广东明阳电气股份有限公司 | Switch cabinet with earthing switch transmission interlocking function |
| CN113325307A (en) * | 2021-03-19 | 2021-08-31 | 兴机电器有限公司 | Intelligent comprehensive detection device for high-voltage switch |
| CN114069414A (en) * | 2021-10-08 | 2022-02-18 | 广州市禹成消防科技有限公司 | Interlocking structure on electrical control cabinet and interlocking method thereof |
| CN113488872B (en) * | 2021-07-08 | 2024-05-17 | 亨斯迈(杭州)电力技术有限公司 | Switch cabinet |
-
2019
- 2019-09-25 CN CN201921604345.2U patent/CN210379849U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909777A (en) * | 2021-01-21 | 2021-06-04 | 广东明阳电气股份有限公司 | Switch cabinet with earthing switch transmission interlocking function |
| CN113325307A (en) * | 2021-03-19 | 2021-08-31 | 兴机电器有限公司 | Intelligent comprehensive detection device for high-voltage switch |
| CN113325307B (en) * | 2021-03-19 | 2025-07-01 | 兴机电器集团有限公司 | An intelligent comprehensive detection device for high voltage switches |
| CN113488872B (en) * | 2021-07-08 | 2024-05-17 | 亨斯迈(杭州)电力技术有限公司 | Switch cabinet |
| CN114069414A (en) * | 2021-10-08 | 2022-02-18 | 广州市禹成消防科技有限公司 | Interlocking structure on electrical control cabinet and interlocking method thereof |
| CN114069414B (en) * | 2021-10-08 | 2023-10-03 | 广州市禹成消防科技有限公司 | Interlocking structure on electrical control cabinet and interlocking method thereof |
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Granted publication date: 20200421 Termination date: 20210925 |