CN114141558B - Intelligent interlocking device capable of being operated safely for high-voltage cabinet - Google Patents
Intelligent interlocking device capable of being operated safely for high-voltage cabinet Download PDFInfo
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- CN114141558B CN114141558B CN202111432205.3A CN202111432205A CN114141558B CN 114141558 B CN114141558 B CN 114141558B CN 202111432205 A CN202111432205 A CN 202111432205A CN 114141558 B CN114141558 B CN 114141558B
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- cabinet body
- operation shaft
- control
- gear
- cabinet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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Abstract
The invention discloses an intelligent interlocking device for a high-voltage cabinet capable of being safely operated, which comprises a cabinet body arranged above a horizontal ground, wherein a first operation shaft used for controlling a circuit breaker is connected to a side wall shaft at the upper end of the cabinet body, and a first gear is connected to an outer side key of the first operation shaft; also comprises; the second operation shaft is connected to the side wall of the cabinet body in a shaft mode and used for controlling the isolating switch and the grounding switch, and a second gear is connected to an outer side key of the second operation shaft; the second crank arm is fixedly arranged on the outer side of the second operation shaft; the locating rod is movably arranged inside the side wall of the cabinet body and used for locating the second operation shaft, so that misoperation in the overhaul process is avoided. The intelligent interlocking device for the safe operation high-voltage cabinet can effectively interlock the multi-control electric equipment, ensure that workers can operate normally, effectively improve the safety in the subsequent overhaul process, and prevent accidents caused by misoperation in the overhaul process.
Description
Technical Field
The invention relates to the technical field of high-voltage cabinets, in particular to an intelligent interlocking device for a high-voltage cabinet, which can be safely operated.
Background
The high-voltage switch cabinet is an electrical product with functions of power generation, power transmission, power distribution or protection of a power system, and comprises a large number of electrical control equipment, such as a circuit breaker, a disconnecting switch, a grounding switch and the like, and an interlocking device is needed to be used for interlocking all equipment in the cabinet body in the use process of the high-voltage switch cabinet, so that power accidents caused by misoperation are avoided, but the existing intelligent interlocking device for the high-voltage switch cabinet still has some defects.
If publication number CN 108155039A's a five-prevention mechanical locking interlock, can avoid guaranteeing under ordinary state that high tension switchgear keeps sealing, can not be opened by non-staff, guaranteed that high tension switchgear can not suffer artificial destruction, hidden potential safety hazard that also avoids simultaneously, simultaneously when the staff opens high tension switchgear, also can open all switches through opening a switch, convenient and practical, but the high tension switchgear need carry out strict operation in the cabinet opening maintenance process, the switch of some equipment can not operate simultaneously, like circuit breaker closing state can not operate isolator, therefore there is certain use defect, simultaneously it is inconvenient in cabinet opening maintenance process effectively to prevent the maloperation, lead to the maintenance risk increase.
Therefore, we propose an intelligent interlocking device for a high-voltage cabinet, which can be safely operated, so as to solve the problems set forth in the above.
Disclosure of Invention
The invention aims to provide an intelligent interlocking device for a high-voltage cabinet, which can be safely operated, so as to solve the problems that the intelligent interlocking device for the high-voltage cabinet in the prior market provided by the background technology is unsatisfactory in interlocking effect, cannot effectively attach to an overhaul sequence, is easy to operate by mistake in an overhaul process, and causes an increase in overhaul risk.
In order to achieve the above purpose, the present invention provides the following technical solutions: the intelligent interlocking device for the high-voltage cabinet capable of being safely operated comprises a cabinet body arranged above a horizontal ground, wherein a first operation shaft used for controlling a circuit breaker is connected to a side wall shaft at the upper end of the cabinet body, and a first gear is connected to an outer side key of the first operation shaft;
the cabinet door is hinged to the outer side of the cabinet body and used for sealing the cabinet body, and a positioning hole is formed in one side of the cabinet door, which is attached to the cabinet body, and is used for locking the cabinet door;
Further comprises:
the adjusting cylinder is connected with the side wall of the cabinet body through a bearing, and the outer side of the adjusting cylinder is movably connected with a shielding sleeve;
The second operation shaft is connected to the side wall of the cabinet body through a shaft and used for controlling the isolating switch and the grounding switch, a second gear is connected to an outer side key of the second operation shaft, a control frame is arranged on the outer side of the second gear and fixedly installed in the cabinet body, meanwhile, a first control button and a second control button are respectively installed on the inner sides of the upper end and the lower end of the control frame, a first control rack and a second control rack are respectively movably arranged on the left inner side and the right inner side of the control frame, and an inserting hole is formed in the outer wall of the second operation shaft;
The second crank arm is fixedly arranged on the outer side of the second operation shaft;
the third operation shaft is connected with the inside of the cabinet body in a shaft manner and used for controlling the cabinet door, and a third gear is connected with an outer key of the third operation shaft;
The locating rod is movably arranged inside the side wall of the cabinet body and used for locating the second operation shaft, so that misoperation in the overhaul process is avoided.
Preferably, a first crank arm is fixedly arranged on the outer side of the first operation shaft, a pull rod is hinged on the outer side of the first crank arm, and the other end of the pull rod is hinged on the outer side of a control switch of the circuit breaker.
Through adopting above-mentioned technical scheme for rotatory first operating axis can make first crank arm control the control switch of circuit breaker through the pull rod, adjusts, thereby improves the simple operation nature of high-voltage board.
Preferably, a plurality of tooth blocks are arranged on the outer side of the end part of the adjusting cylinder at equal angles around the central axis in the circumferential direction, the tooth blocks are in meshed connection with a first gear, and the diameter of the first gear is larger than the outer diameter of the adjusting cylinder.
Through adopting above-mentioned technical scheme for in the rotatory in-process of first operating shaft, can make it drive first gear and tooth piece and mesh and be connected, because the diameter of first gear is great, make first gear can drive the adjustment section of thick bamboo and carry out synchronous rotation regulation.
Preferably, the adjusting cylinder is in threaded connection with the shielding sleeve, a plurality of limiting blocks are uniformly arranged on the outer wall of the shielding sleeve around the central axis of the adjusting cylinder in a circumferential direction, the shielding sleeve and the cabinet body form a telescopic structure, and meanwhile, the length of the shielding sleeve is larger than that of the part, protruding out of the outer side of the cabinet body, of the second operating shaft.
Through adopting above-mentioned technical scheme for in the rotatory in-process of first operating shaft, can transfer through the regulating cylinder and hide the cover and carry out flexible regulation, thereby change the position of hiding the cover, make and hide the cover and can cover the second operating shaft, and then avoid carrying out the maloperation to the second operating shaft under the circuit breaker closing circumstances, improved the safety in utilization of high-voltage board.
Preferably, the second gear is in meshed connection with both the first control rack and the second control rack, the first control rack and the second control rack form a sliding structure with the control frame, and the positions of the first control rack and the second control rack and the positions of the first control button and the second control button are respectively corresponding up and down.
Through adopting above-mentioned technical scheme for in the rotatory process of second operating shaft, can drive first control rack and second control rack through the meshing effect of second gear and carry out synchronous movement, make first control rack, second control rack can touch-control first control button, second control button respectively, thereby realize the control to isolator and earthing switch.
Preferably, a telescopic rod is telescopically arranged on the inner side of the second control rack, and a first spring for providing reset elasticity is connected between the telescopic rod and the second control rack.
By adopting the technical scheme, when the second gear rotates, the second control rack can drive the telescopic rod to contact the second control button first, so that the control of the isolating switch is realized, the elastic telescopic property of the telescopic rod can ensure the continuous displacement of the first control rack, the isolating switch and the grounding switch can be controlled successively, and the operation safety is ensured.
Preferably, the outer side of the second crank arm is hinged with a connecting rod, the lower end of the connecting rod is hinged with a bolt, the bolt penetrates through the third operation shaft, and the bolt and the cabinet body form a lifting structure.
Through adopting above-mentioned technical scheme, can make the rotatory in-process of second operating axis, can drive the bolt through the connecting rod and carry out lifting adjustment to make the bolt carry out limit control to the third operating axis, thereby avoid the cabinet door to open before equipment ground connection and arouse danger.
Preferably, the outer side of the third gear is connected with a positioning rack in a meshed manner, the positioning rack and the cabinet body form a sliding structure, and the positioning rack and the positioning hole form a clamping structure.
Through adopting above-mentioned technical scheme for rotatory third operating axle can drive third gear and positioning rack and carry out the meshing effect, thereby adjusts the position of positioning rack, and then is convenient for follow-up opening and closing the cabinet door.
Preferably, the lower extreme of locating lever is fixed and is provided with first magnetic path, just be connected with the second spring between first magnetic path and the cabinet body to the locating lever constitutes the block structure with the jack, the second magnetic path is installed in the upper surface embedding of cabinet door, and the magnetic pole of second magnetic path and first magnetic path is opposite.
Through adopting above-mentioned technical scheme, can make the cabinet door open the back, the locating lever is automatic to be sprung under the elasticity effect of second spring to in the card goes into the jack, and then avoid the cabinet door to open and overhaul the in-process and take place the maloperation and cause the incident, further improved the safety in utilization of this high-voltage board.
Compared with the prior art, the invention has the beneficial effects that: the intelligent interlocking device for the safe operation high-voltage cabinet can effectively interlock the multi-control electric equipment, ensure that workers can operate normally, effectively improve the safety in the subsequent overhaul process, prevent accidents caused by misoperation in the overhaul process and further improve the use safety;
1. The shielding sleeve and the bolt are arranged, the first gear and the tooth block can be meshed through rotating the first operation shaft, so that the adjusting cylinder is driven to rotate, the shielding sleeve is enabled to move and adjust under the threaded connection effect, the second operation shaft is covered, the third operation shaft can be stably limited through the bolt, and the cabinet door is prevented from being opened under the condition of being not grounded;
2. The second operation shaft is arranged, and through rotating the second operation shaft, the first control rack and the second control rack can synchronously rotate under the drive of the second gear, so that the sequential control of the isolating switch and the grounding switch is realized, and the adjustment convenience and the use safety are improved;
3. Be provided with first magnetic path and locating lever, when the cabinet door is opened and is maintained, the magnetic force effect between first magnetic path and the second magnetic path disappears gradually, and the locating lever can be moved up and insert in the jack under the elasticity effect of second spring this moment to realize the location to the second operating axis, avoid the mistake to touch and lead to earthing switch disconnection in the maintenance process, further improved the safety in utilization of this high-voltage board.
Drawings
FIG. 1 is a schematic diagram of the main sectional structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1 at A-A in accordance with the present invention;
FIG. 3 is a schematic view of a connecting rod mounting structure of the present invention;
FIG. 4 is a schematic view of the mounting structure of the covering of the present invention;
FIG. 5 is a schematic view of the mounting structure of the first control rack and the second control rack of the present invention;
FIG. 6 is a schematic side cross-sectional view of a second control rack of the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 1a according to the present invention;
Fig. 8 is a schematic side view of the covering of the present invention.
In the figure: 1. a cabinet body; 2. a first operation shaft; 3. a first crank arm; 4. a pull rod; 5. a first gear; 6. an adjustment cylinder; 601. tooth blocks; 7. a shielding sleeve; 701. a limiting block; 8. a second operation shaft; 9. a second gear; 10. a control rack; 11. a first control knob; 12. a second control knob; 13. a first control rack; 14. a second control rack; 15. a telescopic rod; 1501. a first spring; 16. a second crank arm; 17. a connecting rod; 18. a plug pin; 19. a third operation shaft; 20. a third gear; 21. positioning a rack; 22. a cabinet door; 23. positioning holes; 24. a first magnetic block; 2401. a second spring; 25. a positioning rod; 26. a second magnetic block; 27. and a jack.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the intelligent interlocking device for the high-voltage cabinet capable of being safely operated comprises a cabinet body 1 placed above a horizontal ground, wherein a first operation shaft 2 for controlling a circuit breaker is connected to the upper end side wall shaft of the cabinet body 1, and a first gear 5 is connected to an outer side key of the first operation shaft 2;
The cabinet door 22 is hinged to the outer side of the cabinet body 1 and is used for closing the cabinet body 1, and a positioning hole 23 is formed in one side, attached to the cabinet body 1, of the cabinet door 22 and is used for locking the cabinet door 22;
Further comprises:
the adjusting cylinder 6 is connected to the side wall of the cabinet body 1 through a bearing, and a shielding sleeve 7 is movably connected to the outer side of the adjusting cylinder 6;
The second operation shaft 8 is connected to the side wall of the cabinet body 1 in a shaft manner and used for controlling the isolating switch and the grounding switch, a second gear 9 is connected to an outer key of the second operation shaft 8, a control frame 10 is arranged on the outer side of the second gear 9, the control frame 10 is fixedly arranged in the cabinet body 1, meanwhile, a first control button 11 and a second control button 12 are respectively arranged on the inner sides of the upper end and the lower end of the control frame 10, a first control rack 13 and a second control rack 14 are respectively movably arranged on the left inner side and the right inner side of the control frame 10, and an inserting hole 27 is formed in the outer wall of the second operation shaft 8;
a second crank arm 16 fixedly mounted on the outer side of the second operating shaft 8;
a third operation shaft 19, which is connected to the inside of the cabinet body 1 in an axial manner and is used for realizing control of the cabinet door 22, and a third gear 20 is connected to an outer key of the third operation shaft 19;
The positioning rod 25 is movably arranged inside the side wall of the cabinet body 1 and is used for positioning the second operation shaft 8, so that misoperation in the overhaul process is avoided.
The outer side of the first operation shaft 2 is fixedly provided with a first crank arm 3, the outer side of the first crank arm 3 is hinged with a pull rod 4, and the other end of the pull rod 4 is hinged to the outer side of a control switch of the circuit breaker.
As shown in fig. 4, when the cabinet 1 needs to be overhauled, the first operation shaft 2 is rotated, and at this time, the first operation shaft 2 drives the pull rod 4 to move through the first crank arm 3, so that the pull rod 4 controls the switch of the circuit breaker, and the circuit breaker is disconnected.
The outer side of the end of the adjustment cylinder 6 is provided with a plurality of tooth blocks 601 circumferentially equiangularly around the center axis thereof, and the tooth blocks 601 are engaged with the first gear 5, and the diameter of the first gear 5 is larger than the outer diameter of the adjustment cylinder 6.
The adjusting cylinder 6 is in threaded connection with the shielding sleeve 7, a plurality of limiting blocks 701 are uniformly arranged on the outer wall of the shielding sleeve 7 around the central axis in the circumferential direction, the shielding sleeve 7 and the cabinet body 1 form a telescopic structure, and meanwhile the length of the shielding sleeve 7 is larger than that of the part, protruding out of the outer side of the cabinet body 1, of the second operating shaft 8.
The second gear 9 is in meshed connection with both the first control rack 13 and the second control rack 14, the first control rack 13 and the second control rack 14 form a sliding structure with the control frame 10, and the positions of the first control rack 13 and the second control rack 14 and the first control button 11 and the second control button 12 respectively correspond up and down.
A telescopic rod 15 is telescopically mounted on the inner side of the second control rack 14, and a first spring 1501 for providing a return elastic force is connected between the telescopic rod 15 and the second control rack 14.
The outside of the second crank arm 16 is hinged with a connecting rod 17, the lower end of the connecting rod 17 is hinged with a bolt 18, the bolt 18 penetrates through a third operation shaft 19, and the bolt 18 and the cabinet body 1 form a lifting structure.
The outside of the third gear 20 is connected with a positioning rack 21 in a meshed manner, the positioning rack 21 and the cabinet body 1 form a sliding structure, and the positioning rack 21 and the positioning hole 23 form a clamping structure.
As shown in fig. 1-6 and fig. 8, when the first operating shaft 2 rotates, it can drive the first gear 5 to synchronously rotate, and then make the first gear 5 mesh with the gear block 601 outside the adjusting cylinder 6, thereby drive the adjusting cylinder 6 to synchronously rotate, at this moment, the adjusting cylinder 6 can be in threaded connection with the covering sleeve 7, make the covering sleeve 7 slide back into the side wall of the cabinet body 1, at this moment, the end of the second operating shaft 8 is exposed, at this moment, the second operating shaft 8 can be rotated, make the second operating shaft 8 drive the second gear 9 to synchronously rotate, at this moment, the second gear 9 can synchronously mesh with the first control rack 13 and the second control rack 14 outside thereof, at this moment, in the downward movement process of the second control rack 14, the telescopic link 15 can be made to contact the second control button 12 first, thereby realize the control of the isolating switch, along with the continued rotation of the second operating shaft 8, the first control rack 13 can conflict the first control button 11, and then realize the regulation and control of the grounding switch, avoid the electricity leakage phenomenon in the maintenance process, at the same time, the second operating shaft 8 rotates, the second operating shaft 8 drives the second gear 9 to synchronously rotate with the first control rack 13 and the second control rack 14, the second control rack 14 can be made to contact the second control button 12 through the third control rack 18, and the third control rack 22, at this moment, the third control rack 19 can be opened, and the third door can be opened, and the door opening position of the door can be opened, and automatically, and the door opening the door, and the door can be opened, by the third control switch, and the door can be opened.
The lower extreme of locating lever 25 is fixed and is provided with first magnetic path 24, and is connected with second spring 2401 between first magnetic path 24 and the cabinet body 1 to locating lever 25 and jack 27 constitute the block structure, and the upper surface embedding of cabinet door 22 installs second magnetic path 26, and the magnetic pole of second magnetic path 26 and first magnetic path 24 is opposite.
As shown in fig. 1 and fig. 7, when the cabinet door 22 is opened, the first magnetic block 24 and the second magnetic block 26 are gradually under the principle that the magnetic force between the first magnetic block 24 and the second magnetic block is gradually reduced, and the first magnetic block 24 drives the positioning rod 25 to move upwards under the action of the elastic force of the second spring 2401, so that the end part of the positioning rod 25 can be automatically inserted into the insertion hole 27, thereby realizing the positioning of the second operation shaft 8, avoiding the misoperation of the second operation shaft 8 and further improving the maintenance safety of the high-voltage cabinet.
Working principle: when the intelligent interlocking device for the safe operation high-voltage cabinet is used, firstly, as shown in fig. 1-8, when the cabinet body 1 needs to be overhauled, the first operation shaft 2 is rotated to disconnect a circuit breaker, then the second operation shaft 8 is rotated to enable the first control rack 13 and the second control rack 14 to sequentially press the second control button 12 and the first control button 11, so that sequential operation of a partition switch and a grounding switch is realized, electrification in an overhauling process is avoided, the third operation shaft 19 is rotated, the cabinet door 22 can be opened at the moment to overhaul, the end part of the positioning rod 25 can be automatically inserted into the jack 27 along with the opening of the cabinet door 22, the positioning of the second operation shaft 8 is realized, misoperation of the second operation shaft 8 is avoided, and a series of works are completed.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The intelligent interlocking device for the high-voltage cabinet capable of being safely operated comprises a cabinet body (1) arranged above a horizontal ground, wherein a first operation shaft (2) for controlling a circuit breaker is connected to the upper end side wall shaft of the cabinet body (1), and a first gear (5) is connected to an outer side key of the first operation shaft (2);
The cabinet door (22) is hinged to the outer side of the cabinet body (1) and used for sealing the cabinet body (1), and a positioning hole (23) is formed in one side, attached to the cabinet body (1), of the cabinet door (22) and used for locking the cabinet door (22);
characterized by further comprising:
The adjusting cylinder (6) is connected to the side wall of the cabinet body (1) through a bearing, a shielding sleeve (7) is movably connected to the outer side of the adjusting cylinder (6), a plurality of tooth blocks (601) are arranged around the outer side of the end part of the adjusting cylinder (6) at equal angles in the circumferential direction of the central axis of the adjusting cylinder, the tooth blocks (601) are in meshed connection with the first gear (5), and the diameter of the first gear (5) is larger than the outer diameter of the adjusting cylinder (6);
The second operation shaft (8) is connected to the side wall of the cabinet body (1) in a shaft manner and used for controlling the isolating switch and the grounding switch, a second gear (9) is connected to an outer key of the second operation shaft (8), a control frame (10) is arranged on the outer side of the second gear (9), the control frame (10) is fixedly arranged in the cabinet body (1), meanwhile, a first control button (11) and a second control button (12) are respectively arranged on the inner sides of the upper end and the lower end of the control frame (10), a first control rack (13) and a second control rack (14) are respectively and movably arranged on the left inner side and the right inner side of the control frame (10), an inserting hole (27) is formed in the outer wall of the second operation shaft (8), the second gear (9) is in meshed connection with the first control rack (13) and the second control rack (14), the first control rack (13) and the second control rack (14) form a sliding structure with the control frame (10), and the first control rack (13) and the second control rack (14) correspond to the positions of the first control rack (13) and the second control rack (12) respectively;
A second crank arm (16) fixedly mounted on the outer side of the second operation shaft (8);
The third operation shaft (19) is connected to the inside of the cabinet body (1) in a shaft manner and used for controlling the cabinet door (22), a third gear (20) is connected to an outer key of the third operation shaft (19), a positioning rack (21) is connected to the outer side of the third gear (20) in a meshed manner, the positioning rack (21) and the cabinet body (1) form a sliding structure, and the positioning rack (21) and the positioning hole (23) form a clamping structure;
The positioning rod (25) is movably arranged inside the side wall of the cabinet body (1) and used for positioning the second operation shaft (8) so as to avoid misoperation in the overhaul process.
2. The intelligent interlocking device for a safe-operating high-voltage cabinet according to claim 1, wherein: the outside fixed mounting of first operating axle (2) has first crank arm (3), just the outside of first crank arm (3) articulates there is pull rod (4), and the other end of pull rod (4) articulates in the control switch outside of circuit breaker.
3. The intelligent interlocking device for a safe-operating high-voltage cabinet according to claim 1, wherein: the adjusting cylinder (6) is in threaded connection with the shielding sleeve (7), a plurality of limiting blocks (701) are uniformly arranged on the outer wall of the shielding sleeve (7) around the central axis in the circumferential direction, the shielding sleeve (7) and the cabinet body (1) form a telescopic structure, and meanwhile, the length of the shielding sleeve (7) is larger than that of the outer side part of the second operating shaft (8) extending out of the cabinet body (1).
4. The intelligent interlocking device for a safe-operating high-voltage cabinet according to claim 1, wherein: a telescopic rod (15) is arranged on the inner side of the second control rack (14) in a telescopic manner, and a first spring (1501) for providing reset elasticity is connected between the telescopic rod (15) and the second control rack (14).
5. The intelligent interlocking device for a safe-operating high-voltage cabinet according to claim 1, wherein: the outside of second arm (16) articulates there is connecting rod (17), just the lower extreme of connecting rod (17) articulates there is bolt (18), and bolt (18) run through in third operating shaft (19), moreover bolt (18) and cabinet body (1) constitute elevation structure.
6. The intelligent interlocking device for a safe-operating high-voltage cabinet according to claim 1, wherein: the lower extreme of locating lever (25) is fixed and is provided with first magnetic path (24), just be connected with second spring (2401) between first magnetic path (24) and cabinet body (1) to locating lever (25) and jack (27) constitute the block structure, second magnetic path (26) are installed in the upper surface embedding of cabinet door (22), and the magnetic pole of second magnetic path (26) and first magnetic path (24) is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111432205.3A CN114141558B (en) | 2021-11-29 | 2021-11-29 | Intelligent interlocking device capable of being operated safely for high-voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111432205.3A CN114141558B (en) | 2021-11-29 | 2021-11-29 | Intelligent interlocking device capable of being operated safely for high-voltage cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114141558A CN114141558A (en) | 2022-03-04 |
| CN114141558B true CN114141558B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111432205.3A Active CN114141558B (en) | 2021-11-29 | 2021-11-29 | Intelligent interlocking device capable of being operated safely for high-voltage cabinet |
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| CN (1) | CN114141558B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116153685B (en) * | 2023-04-18 | 2023-07-18 | 江苏国控电力设备有限公司 | Metal-enclosed switchgear grounding switch locking device and switchgear |
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| CN104471806A (en) * | 2012-07-13 | 2015-03-25 | 三菱电机株式会社 | Switch gear |
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| US5424500A (en) * | 1994-04-08 | 1995-06-13 | Electro-Mechanical Corporation | Door-mounted operating mechanism for electrical switchgear |
| KR100386630B1 (en) * | 2000-11-07 | 2003-06-02 | 엘지산전 주식회사 | the interlock device in earthing switch of vacuum circuit breaker |
| JP4587749B2 (en) * | 2004-09-08 | 2010-11-24 | 三菱電機株式会社 | Closed switchboard interlock device |
| CN202094009U (en) * | 2011-06-22 | 2011-12-28 | 福州天宇电气股份有限公司 | Anti-misoperation interlocking device for switchgear door |
| KR101699805B1 (en) * | 2016-10-31 | 2017-01-25 | 주식회사 광명전기 | door interlock apparatus preventing from electric shock accident by charging current or voltage when double doors of switchgear are open |
| CN108831779B (en) * | 2018-08-21 | 2024-05-07 | 广东省江门市新会电气控制设备厂有限公司 | A vacuum load switch cabinet interlocking device |
| CN111146026B (en) * | 2020-01-20 | 2025-06-10 | 珠海欧力配网自动化股份有限公司 | Gas-insulated ring main unit interlocking device |
| CN212676137U (en) * | 2020-07-28 | 2021-03-09 | 兴机电器有限公司 | Interlocking device for grounding switch cabinet door |
| CN213661044U (en) * | 2020-11-04 | 2021-07-09 | 厦门华电开关有限公司 | Switch cabinet and interlocking device thereof |
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2021
- 2021-11-29 CN CN202111432205.3A patent/CN114141558B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104471806A (en) * | 2012-07-13 | 2015-03-25 | 三菱电机株式会社 | Switch gear |
| CN103794997A (en) * | 2013-12-03 | 2014-05-14 | 朝阳当凯电力开关有限公司 | Five-prevention interlocking device in bypass centrally-arranged cabinet |
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| Publication number | Publication date |
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| CN114141558A (en) | 2022-03-04 |
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