CN107732692B - Safety device of high-voltage switch cabinet and use method thereof - Google Patents
Safety device of high-voltage switch cabinet and use method thereof Download PDFInfo
- Publication number
- CN107732692B CN107732692B CN201711205296.0A CN201711205296A CN107732692B CN 107732692 B CN107732692 B CN 107732692B CN 201711205296 A CN201711205296 A CN 201711205296A CN 107732692 B CN107732692 B CN 107732692B
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- China
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- plate
- cabinet body
- circuit breaker
- switch cabinet
- front gate
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Breakers (AREA)
Abstract
The invention provides a high-voltage switch cabinet safety device and a use method thereof, the high-voltage switch cabinet safety device comprises a cabinet body and a switch cabinet front gate arranged at the front side of the cabinet body, a limiting plate is arranged in an insertion channel of an operating handle in the cabinet body, a fixed plate is arranged in the cabinet body, the limiting plate is sleeved on a fixed pin to realize hinged connection with the horizontal part of the fixed plate, a torsion spring is sleeved on the fixed pin, one end of the torsion spring is fixedly connected with the limiting plate, the other end of the torsion spring is connected with the fixed pin, a raised limiting bump is further arranged on the fixed plate to limit the rotation angle of the limiting plate under the action of the torsion spring, a fixed shaft which is vertically arranged is fixedly connected with the limiting plate, and a roller is sleeved on the fixed shaft, so that the roller is pressed when the switch cabinet front gate is closed, the roller is prevented from being inserted into the insertion channel of the operating handle.
Description
Technical Field
The invention relates to a high-voltage switch cabinet safety device and a use method thereof.
Background
When the original high-voltage circuit breaker is in a working position, the front gate of the switch cabinet can be opened. If someone opens the front gate of the switch cabinet when the high-voltage circuit breaker is in a closing position, the high-voltage circuit breaker is in a high-voltage electrified state, personal safety hidden danger easily exists, and in addition, the high-voltage circuit breaker is easy to open and close due to the front gate, so that the hidden danger is easily caused during a test.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is that the front gate of the switch cabinet is easy to cause potential safety hazard when the high-voltage circuit breaker is in the working position.
The specific embodiments of the invention are: the utility model provides a high tension switchgear safety device, includes the cabinet body and sets up in the switch cabinet front door of cabinet body front side, the internal fixed plate that is provided with of limiting plate that is located operating handle's insertion passageway of cabinet, the internal fixed plate that is provided with of cabinet, the fixed plate includes horizontal part and is fixed in the vertical portion on the cabinet body, a fixed pin threaded connection is in the horizontal part of fixed plate, the limiting plate cover is in order to realize hinged joint in the horizontal part of fixed plate in the fixed pin, the cover is equipped with the torsional spring on the fixed pin, the one end and the limiting plate fixed connection of torsional spring, the other end and fixed pin connection, still be equipped with bellied spacing lug in order to restrict limiting plate pivoted angle under the torsional spring effect on the fixed plate, thereby the fixed axle of fixedly connected with vertical setting on the limiting plate, thereby the gyro wheel receives the oppression when the switch cabinet front door closes to dodge operating handle's insertion passageway.
Further, a middle door plate is further arranged between the front gate of the cabinet body and the cabinet body, a notch is formed in the middle door plate, a lock pin positioned at the front side of the notch when the front gate is closed is arranged on the front gate, a circuit breaker is arranged in the cabinet body, an interlocking plate fixedly connected with the circuit breaker is arranged on one side of the circuit breaker, which faces the front gate, of the cabinet body, a transverse plate is fixedly connected with one end of the middle door plate, which faces the cabinet body, a vertical shaft is fixedly connected with the middle part of the transverse plate, a hook plate is sleeved on the vertical shaft, a flange for supporting the hook plate is arranged on the vertical shaft, the hook plate comprises a front side part with the end part extending into the notch and a rear side part arranged towards the cabinet body, a spring is fixed on the middle door plate, the free end of the spring is connected with the front side part of the hook plate, when the circuit breaker is pushed into a test position, the hook plate abuts against the hook plate to overcome the tensile force of the spring, the front side part is rotated around the vertical shaft to enable the front side part to withdraw from the notch, so that the front gate lock pin of the cabinet can not block the switch of the front gate, when the circuit breaker leaves the test position, the circuit breaker rotates, the hook plate rotates around the vertical shaft, the front side part passes through the notch, and the notch, the lock pin can not open the front gate, and the lock pin can be opened.
The invention also comprises a use method of the high-voltage switch cabinet safety device, and the use method is characterized in that when the front gate of the high-voltage switch cabinet is in an open state, the torsion spring is in a torsion state, the counter force can drive the idler wheel arranged on the limiting plate to do clockwise motion, the limiting plate moves to a certain position to be limited by the limiting convex block, and the operating handle cannot be inserted at the moment and cannot shake in and out the circuit breaker;
when the circuit breaker is pushed into the test position, the interlocking plate 30 abuts against the hook plate to overcome the tensile force of the spring, the hook plate rotates around the vertical shaft to enable the front side part to withdraw from the notch, so that the front door lock pin of the switch cabinet is free from being blocked by the front side part of the hook plate, the front door can be opened and closed, and when the circuit breaker leaves the test position, the hook plate rotates around the vertical shaft to pass through the notch to hook the lock pin of the front door, and the opening operation of the front door of the switch cabinet cannot be performed.
Compared with the prior art, the invention has the following beneficial effects: the high-voltage switch cabinet door closing operation and the middle door plate locking structure are added, so that the front door of the switch cabinet can be effectively prevented from being opened when the high-voltage circuit breaker is in a working position, the front door of the switch cabinet can be opened after the high-voltage circuit breaker is separated and rocked to a test position, and potential safety hazards of personnel are avoided.
Drawings
Fig. 1 is a schematic diagram of the external structure of the switch cabinet of the invention.
Fig. 2 is a schematic diagram of the position structure of the limit plate of the switch cabinet.
FIG. 3 is a schematic diagram showing the connection structure of the limiting plate and the fixing plate of the switch cabinet of the present invention
Fig. 4 is a schematic diagram of a movement trace of the switch limiting plate according to the present invention.
Fig. 5 is a schematic diagram of the matching structure of the switch hook plate and the interlocking plate according to the present invention (the hook plate does not affect the locking pin).
Fig. 6 is a schematic diagram of the matching structure of the switch hook plate and the interlocking plate (the hook plate affects the locking pin).
FIG. 7 is a schematic view of a hook plate structure according to the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 7, a high-voltage switch cabinet safety device comprises a cabinet body 100 and a switch cabinet front door 10 arranged at the front side of the cabinet body, wherein a limiting plate 110 is arranged in an insertion channel of an operation handle in the cabinet body 100, a crutch-shaped fixing plate 120 is arranged in the cabinet body 100, the fixing plate 120 comprises a horizontal part 121 and a vertical part 122 fixed on the cabinet body, a fixing pin 130 is in threaded connection with the horizontal part 121 of the fixing plate, the limiting plate 110 is sleeved on the fixing pin 130 so as to realize hinged connection with the horizontal part 121 of the fixing plate, a torsion spring 140 is sleeved on the fixing pin, one end of the torsion spring 140 is fixedly connected with the limiting plate 110, the other end of the torsion spring 140 is connected with the fixing pin, a raised limiting bump 123 is further arranged on the fixing plate 120 so as to limit the rotation angle of the limiting plate under the action of the torsion spring, a fixing shaft 111 which is vertically arranged is fixedly connected with the limiting plate, a roller 112 is sleeved on the fixing shaft, and the roller is pressed when the switch cabinet front door is closed, so as to avoid the insertion channel of the operation handle.
When the high-voltage switch cabinet front gate 10 is in an open state during operation, the torsion spring 140 is in a torsion state, the counter force can drive the idler wheel 112 arranged on the limiting plate 110 to do clockwise motion, the limiting plate 110 moves to a certain position to be limited by the limiting convex block 123, and at the moment, the operating handle cannot be inserted and cannot shake in and out the circuit breaker.
The cabinet body switch cabinet is characterized in that a middle door plate 20 is further arranged between the front big door 10 and the cabinet body, a notch 210 is arranged on the middle door plate 20, a lock pin 150 positioned at the front side of the notch 210 when the front big door is closed is arranged on the front big door, a circuit breaker is arranged in the cabinet body, an interlocking plate 30 fixedly connected with the circuit breaker is arranged on one side of the circuit breaker, which faces the front big door, a transverse plate 201 is fixedly connected with one end of the middle door plate 20, which faces the cabinet body, a vertical shaft 220 is fixedly connected with the middle part of the transverse plate, a hook plate 230 is sleeved on the vertical shaft 220, a flange for supporting the hook plate 230 is arranged on the vertical shaft, the hook plate 230 comprises a front side part of which the end part stretches into the notch and a rear side part which faces the cabinet body, a spring 240 is fixedly arranged on the middle door plate, the free end of the spring 240 is connected with the front side part of the hook plate,
when the circuit breaker is pushed into the test position, the interlocking plate 30 abuts against the hook plate to overcome the tensile force of the spring 240, the hook plate 230 rotates around the vertical shaft to enable the front side part to withdraw from the notch 210, so that the lock pin of the front gate 10 of the switch cabinet is free from being blocked by the front side part of the hook plate 230, the front gate can be opened and closed, and when the circuit breaker leaves the test position, the hook plate rotates around the vertical shaft to penetrate through the notch to hook the lock pin 150 of the front gate, and the opening operation of the front gate 10 of the switch cabinet cannot be performed.
Any of the above-described embodiments of the present invention disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the invention, and the numerical values listed above should not limit the protection scope of the invention.
If the invention discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using a fixed pin or screw connection) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (1)
1. The high-voltage switch cabinet safety device is characterized by comprising a cabinet body and a switch cabinet front gate arranged on the front side of the cabinet body, wherein a limiting plate is arranged in an insertion channel of an operation handle in the cabinet body, a crutch-shaped fixing plate is arranged in the cabinet body, the fixing plate comprises a horizontal part and a vertical part fixed on the cabinet body, a fixing pin is in threaded connection with the horizontal part of the fixing plate, the limiting plate is sleeved on the fixing pin to realize hinged connection with the horizontal part of the fixing plate, a torsion spring is sleeved on the fixing pin, one end of the torsion spring is fixedly connected with the limiting plate, the other end of the torsion spring is connected with the fixing pin, a raised limiting bump is further arranged on the fixing plate to limit the rotation angle of the limiting plate under the action of the torsion spring, a fixing shaft arranged vertically is fixedly connected on the limiting plate, a roller is sleeved on the fixing shaft, and the front gate of the switch cabinet is pressed by the roller to avoid the insertion channel of the operation handle when being closed;
a middle door plate is further arranged between the front gate of the cabinet body and the cabinet body, a notch is formed in the middle door plate, a lock pin positioned at the front side of the notch when the front gate is closed is arranged on the front gate, a circuit breaker is arranged in the cabinet body, an interlocking plate fixedly connected with the circuit breaker is arranged on one side of the circuit breaker, which faces the front gate, of the cabinet body, a transverse plate is fixedly connected with one end of the middle door plate, which faces the cabinet body, a vertical shaft is fixedly connected with the middle part of the transverse plate, a hook plate is sleeved on the vertical shaft, a flange for supporting the hook plate is arranged on the vertical shaft, the hook plate comprises a front side part of which the end part extends into the notch and a rear side part which faces the cabinet body, a spring is fixed on the middle door plate, the free end of the spring is connected with the front side part of the hook plate, when the circuit breaker is pushed into a test position, the interlocking plate abuts against the hook plate to overcome the spring, the front side part of the hook plate is rotated around the vertical shaft to enable the front side part to withdraw from the notch, so that the front gate lock pin of the switch cabinet is not blocked, the front gate can be opened, and when the circuit breaker leaves the test position, the circuit breaker rotates around the vertical shaft to pass through the notch, the front gate of the front gate can not be opened;
when the front gate of the high-voltage switch cabinet is in an open state, the torsion spring is in a torsion state, the counter force can drive the idler wheels arranged on the limiting plates to do clockwise motion, the limiting plates move to a certain position to be limited by the limiting convex blocks, and at the moment, the operating handle cannot be inserted and cannot shake in and out the circuit breaker;
when the circuit breaker is pushed into the test position, the interlocking plate abuts against the hook plate to overcome the tensile force of the spring, the hook plate rotates around the vertical shaft to enable the front side part to withdraw from the notch, so that the front door lock pin of the switch cabinet is free from being blocked by the front side part of the hook plate, the front door can be opened and closed, and when the circuit breaker leaves the test position, the hook plate rotates around the vertical shaft to pass through the notch to hook the lock pin of the front door, and the opening operation of the front door of the switch cabinet cannot be performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711205296.0A CN107732692B (en) | 2017-11-27 | 2017-11-27 | Safety device of high-voltage switch cabinet and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711205296.0A CN107732692B (en) | 2017-11-27 | 2017-11-27 | Safety device of high-voltage switch cabinet and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107732692A CN107732692A (en) | 2018-02-23 |
| CN107732692B true CN107732692B (en) | 2023-08-11 |
Family
ID=61219552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711205296.0A Active CN107732692B (en) | 2017-11-27 | 2017-11-27 | Safety device of high-voltage switch cabinet and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107732692B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004265843A (en) * | 2003-03-04 | 2004-09-24 | Mitsubishi Electric Corp | External operating handle apparatus of circuit breaker |
| JP2005184943A (en) * | 2003-12-18 | 2005-07-07 | Terasaki Electric Co Ltd | Interlock device of box for storing circuit breaker |
| KR20060072697A (en) * | 2004-12-23 | 2006-06-28 | 현대중공업 주식회사 | Door and closed interlock device for vacuum circuit breaker |
| CN201584319U (en) * | 2009-12-28 | 2010-09-15 | 厦门明翰电气有限公司 | Anti-maloperation locking device of medium-pressure switch cabinet grounding switch |
| CN102324708A (en) * | 2011-09-16 | 2012-01-18 | 伊顿电力设备有限公司 | Device for interlocking chassis vehicle with cabinet door of circuit breaker chamber |
| CN103117514A (en) * | 2013-01-24 | 2013-05-22 | 汕头市众业达电器设备有限公司 | Circuit breaker mechanical switch-on and switch-off operating mechanism for high-voltage switch cabinet |
| CN203251002U (en) * | 2013-05-17 | 2013-10-23 | 大全集团有限公司 | Locking device of switch cubicle front door |
| CN203660378U (en) * | 2013-12-30 | 2014-06-18 | 川开电气股份有限公司 | Closing locking operation device of switch cabinet |
| CN203660377U (en) * | 2013-12-27 | 2014-06-18 | 大全集团有限公司 | Handcart switch cabinet door operation interlocking mechanism |
| CN204067105U (en) * | 2014-07-02 | 2014-12-31 | 浙江时通电气制造有限公司 | A kind of door and high voltage load switch/circuit breaker closing locking device |
| CN105702500A (en) * | 2016-04-08 | 2016-06-22 | 南阳市鑫特电气有限公司 | High voltage switch cabinet misoperation preventing device |
| CN206250659U (en) * | 2016-12-20 | 2017-06-13 | 朝瑞电气有限公司 | Gate interlock breaker handcart advancing mechanism in a kind of band |
-
2017
- 2017-11-27 CN CN201711205296.0A patent/CN107732692B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004265843A (en) * | 2003-03-04 | 2004-09-24 | Mitsubishi Electric Corp | External operating handle apparatus of circuit breaker |
| JP2005184943A (en) * | 2003-12-18 | 2005-07-07 | Terasaki Electric Co Ltd | Interlock device of box for storing circuit breaker |
| KR20060072697A (en) * | 2004-12-23 | 2006-06-28 | 현대중공업 주식회사 | Door and closed interlock device for vacuum circuit breaker |
| CN201584319U (en) * | 2009-12-28 | 2010-09-15 | 厦门明翰电气有限公司 | Anti-maloperation locking device of medium-pressure switch cabinet grounding switch |
| CN102324708A (en) * | 2011-09-16 | 2012-01-18 | 伊顿电力设备有限公司 | Device for interlocking chassis vehicle with cabinet door of circuit breaker chamber |
| CN103117514A (en) * | 2013-01-24 | 2013-05-22 | 汕头市众业达电器设备有限公司 | Circuit breaker mechanical switch-on and switch-off operating mechanism for high-voltage switch cabinet |
| CN203251002U (en) * | 2013-05-17 | 2013-10-23 | 大全集团有限公司 | Locking device of switch cubicle front door |
| CN203660377U (en) * | 2013-12-27 | 2014-06-18 | 大全集团有限公司 | Handcart switch cabinet door operation interlocking mechanism |
| CN203660378U (en) * | 2013-12-30 | 2014-06-18 | 川开电气股份有限公司 | Closing locking operation device of switch cabinet |
| CN204067105U (en) * | 2014-07-02 | 2014-12-31 | 浙江时通电气制造有限公司 | A kind of door and high voltage load switch/circuit breaker closing locking device |
| CN105702500A (en) * | 2016-04-08 | 2016-06-22 | 南阳市鑫特电气有限公司 | High voltage switch cabinet misoperation preventing device |
| CN206250659U (en) * | 2016-12-20 | 2017-06-13 | 朝瑞电气有限公司 | Gate interlock breaker handcart advancing mechanism in a kind of band |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107732692A (en) | 2018-02-23 |
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