CN116844882B - High-tightness pneumatic cabinet load switch operating mechanism and switching-on and switching-off method - Google Patents
High-tightness pneumatic cabinet load switch operating mechanism and switching-on and switching-off method Download PDFInfo
- Publication number
- CN116844882B CN116844882B CN202310831585.0A CN202310831585A CN116844882B CN 116844882 B CN116844882 B CN 116844882B CN 202310831585 A CN202310831585 A CN 202310831585A CN 116844882 B CN116844882 B CN 116844882B
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- Prior art keywords
- closing
- opening
- knob
- switching
- isolation
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- 238000000034 method Methods 0.000 title claims description 9
- 238000002955 isolation Methods 0.000 claims abstract description 61
- 238000003466 welding Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000741 silica gel Substances 0.000 claims abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- 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
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a high-tightness load switch operating mechanism of an inflatable cabinet, which comprises a box cover; the box body is formed by hermetically welding a bottom plate and peripheral side plates, a step hole is formed in the bottom of the box body, a switch is inserted into the step hole, a sealing ring is arranged on the switch, the switch and the step hole are sealed through the sealing ring, a silica gel layer is coated on the superposition surface of the box body and the box body cover, and the box body is connected with the box body cover through screws; the secondary electric wire of the isolation mechanism is connected with an aerial plug, a sealing gasket is arranged between the aerial plug and the box body, and the aerial plug is connected with the box body through screws; the high-tightness gas-filled cabinet load switch operating mechanism is simple in processing technology, good in assembly regularity, simple in switch matching installation, good in operating performance, safe and reliable, the interlocking device is added in misoperation prevention, safety can be effectively improved, and the tightness of the mechanism in the box body is extremely high.
Description
The present application is a divisional application of chinese patent application with application number "202010322381.0", 22 nd year 2020, entitled "a high-tightness gas-filled tank load switch operating mechanism".
Technical Field
The invention relates to a high-tightness load switch operating mechanism of an inflatable cabinet and a switching-on and switching-off method.
Background
The inflatable cabinet has the characteristics of compact structure, flexible operation, reliable interlocking and the like, and can provide a satisfactory technical scheme for various application occasions and different user requirements. The adoption of the sensing technology and the latest protection relay, together with advanced technical performance and a light and flexible assembly scheme, can completely meet different requirements of users. The inflatable cabinet is suitable for small secondary substations, switching stations, box-type substations, residential communities, industrial and mining enterprises and large markets of power systems, and is particularly suitable for occasions with high power requirements such as airports, subways and railways.
The protection effect of the inflatable cabinet is one of important technical points, and one skilled in the art hopes to develop an inflatable cabinet load switch operating mechanism with excellent protection effect.
Disclosure of Invention
The invention aims to solve the technical problem of providing the pneumatic cabinet load switch operating mechanism with high sealing degree, and the sealing degree of the mechanism in a box body is extremely high.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a high airtight degree's inflatable cabinet load switch operating device, includes the box lid; the box body is formed by hermetically welding a bottom plate and peripheral side plates, a step hole is formed in the bottom of the box body, a switch is inserted into the step hole, a sealing ring is arranged on the switch, the switch and the step hole are sealed through the sealing ring, a silica gel layer is coated on the superposition surface of the box body and the box body cover, and the box body is connected with the box body cover through screws;
the secondary electric wire on the isolation mechanism and the isolation mechanism is fixed on the box body, the secondary electric wire of the isolation mechanism is connected with an aerial plug, a sealing gasket is arranged between the aerial plug and the box body, and the aerial plug is connected with the box body through screws.
Preferably, the isolation mechanism is connected with a forced interlocking for preventing misoperation, and the forced interlocking comprises a first locking plate, a second locking plate, an elastic pin, a main shaft cam, an isolation shaft cam and an indication baffle;
preferably, the working method of the isolation mechanism comprises the following steps:
1) And (3) a brake separating state: when the isolating switch-on is operated, the indication baffle rotates clockwise, and finally the grounding operation shaft is blocked, so that the isolating switch-on can be prevented from being operated to be grounded; when the operation grounding switch-on is performed, the indication baffle rotates anticlockwise, and finally the isolation operation shaft is blocked, so that the operation isolation can be performed after the grounding switch-on is prevented;
2) When the isolation mechanism is in a brake-separating state, the elastic pin on the switch-on knob of the isolation mechanism is limited by the second locking plate, so that the switch-on knob cannot twist, and finally, the fact that the load switch operating mechanism of the inflatable cabinet cannot switch on when the isolation mechanism is in the brake-separating state is realized; when the isolation operation shaft is operated clockwise, the isolation shaft cam is rotated clockwise at the same time, the second locking plate slides downwards, and the limitation of the closing knob is relieved; the charging cabinet load switch operating mechanism can be switched on;
3) The load switch operating mechanism of the air charging cabinet is in a closing state, and the isolating mechanism cannot be opened: when the load switch operating mechanism of the inflatable cabinet is switched on, the main shaft cam rotates clockwise to push the first locking plate to slide downwards, and finally the isolating operating shaft is blocked to prevent the isolating handle from being inserted into the operating isolator.
Preferably, the positive lock is fixedly connected with the box body.
Preferably, the automatic brake closing and opening device also comprises a manual brake closing and opening operation device, wherein the manual brake closing and opening operation device comprises a brake closing and opening knob, a knob rod welding assembly, a brake closing and opening poking pin, a brake closing and opening half shaft and an external reset torsion spring. The manual switching-on and switching-off operation device breaks through the conventional practice. The switching-on and switching-off knob drives the knob rod welding assembly, and the knob rod welding assembly pushes the switching-on and switching-off shifting pin to drive the switching-on and switching-off half shaft to rotate, and finally, switching-on and switching-off instructions are completed; releasing the opening and closing split knob, and enabling the knob rod welding assembly to separate from the opening and closing split brake poking pin under the drive of the external reset torsion spring to return to the original stay position; the switching-on and switching-off semi-axle is also restored to the original stop position due to the driving of the internal torsion spring and the reason that the knob rod welding component is separated from the switching-on and switching-off poking pin, so that the reliability of the next switching-on and switching-off instruction is ensured.
The beneficial effects of the invention are as follows:
the assembly is well ordered, and the assembly is simple in cooperation with the switch.
Convenient use, good operation performance, safety and reliability.
The interlocking device is added in the misoperation prevention mode, so that safety can be effectively improved.
The sealing degree of the mechanism in the box body is extremely high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a high-tightness load switch operating mechanism of an inflatable cabinet.
FIG. 2 is a schematic diagram of a part of the load switch operating mechanism of the high-tightness inflatable cabinet.
FIG. 3 is a schematic view of a part of the load switch operating mechanism of the high-tightness inflatable cabinet.
Fig. 4 is a schematic diagram of a partial structure of a high-tightness load switch operating mechanism of an inflatable cabinet.
Fig. 5 is a schematic diagram of the switch structure of the high-tightness switch operating mechanism of the inflatable cabinet.
FIG. 6 is a schematic diagram of the isolation mechanism of the high-tightness pneumatic cabinet load switch operating mechanism.
FIG. 7 is a schematic view of a part of the isolation mechanism of the high-tightness load switch operating mechanism of the inflatable cabinet.
In the figure:
1. a case; 2. a case cover; 3. a step hole; 4. a switch; 5. a seal ring; 6. an isolation mechanism; 7. performing aerial insertion; 8. a sealing gasket; 9. a second lock plate; 10. a first lock plate; 11. a spindle cam; 12. an isolation shaft cam; 13. an indication baffle; 14. closing and opening a knob; 15. a knob stem welding assembly; 16. a brake-closing shifting pin; 17. a brake closing and opening half shaft; 18. an outer return torsion spring; 19. isolating the operating shaft; 20. the operating shaft is grounded.
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.
In the embodiments, it should be understood that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "top", "right side", "left end", "above", "back", "middle", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention.
In this embodiment, if the connection or fixation between the components is not specifically described, the connection or fixation may be performed by a conventional manner such as bolting, pinning, bonding, or riveting, which are commonly used in the prior art, and thus, the description thereof will not be given in the examples.
Example 1
As shown in fig. 1-7, a high-tightness inflatable cabinet load switch operating mechanism comprises a box cover 2; the box body 1 is formed by sealing and welding a bottom plate and peripheral side plates, a step hole 3 is formed in the bottom of the box body 1, a switch 4 is inserted into the step hole 3, a sealing ring 5 is arranged on the switch 4, the switch 4 and the step hole 3 are sealed through the sealing ring 5, a silica gel layer (not shown) is coated on the superposition surface of the box body 1 and the box body cover 2, and the box body 1 and the box body cover 2 are connected through screws;
the isolation mechanism 6, the isolation mechanism 6 and the secondary electric wire on the isolation mechanism are fixed on the box body 1, the secondary electric wire of the isolation mechanism 6 is connected with the aviation plug 7, a sealing gasket 8 is arranged between the aviation plug 7 and the box body 1, and the aviation plug 7 is connected with the box body 1 through screws.
Example 2
As shown in fig. 1-7, a high-tightness inflatable cabinet load switch operating mechanism comprises a box cover 2; the box body 1 is formed by sealing and welding a bottom plate and peripheral side plates, a step hole 3 is formed in the bottom of the box body 1, a switch 4 is inserted into the step hole 3, a sealing ring 5 is arranged on the switch 4, the switch 4 and the step hole 3 are sealed through the sealing ring 5, a silica gel layer (not shown) is coated on the superposition surface of the box body 1 and the box body cover 2, and the box body 1 and the box body cover 2 are connected through screws;
the isolation mechanism 6, the isolation mechanism 6 and the secondary electric wire on the isolation mechanism are fixed on the box body 1, the secondary electric wire of the isolation mechanism 6 is connected with the aviation plug 7, a sealing gasket 8 is arranged between the aviation plug 7 and the box body 1, and the aviation plug 7 is connected with the box body 1 through screws.
In the present embodiment, the isolation mechanism 6 is connected with a forced interlock for preventing misoperation, and the forced interlock includes a first lock plate 10, a second lock plate 9, an elastic pin (not shown), a main shaft cam 11, an isolation shaft cam 12, and an indication baffle 13;
in this embodiment, the working method of the isolation mechanism 6 includes the following steps:
1) And (3) a brake separating state: when the isolating switch-on is operated, the indication baffle 13 rotates clockwise, and finally blocks the grounding operation shaft 20, so that the isolating switch-on can be prevented from being operated to be grounded; when the operation is grounded and closed, the indication baffle rotates anticlockwise, and finally the isolation operation shaft 19 is blocked to prevent the operation isolation after the grounding and closing;
2) The isolation mechanism 6 is limited by the second locking plate 9 on the elastic pin of the switching knob in the switching-off state, so that the switching-on knob cannot twist, and finally, the fact that the operation mechanism of the load switch 4 of the inflatable cabinet cannot switch on in the switching-off state of the isolation mechanism 6 is realized; when the isolation operation shaft is operated clockwise, the isolation shaft cam 12 is rotated clockwise at the same time, the second locking plate 9 slides downwards, and the limitation of the closing knob is relieved; the charging cabinet load switch 4 can be switched on by an operating mechanism;
3) The operation mechanism of the load switch 4 of the gas-filled cabinet is in a closing state, and the isolation mechanism 6 cannot be opened: when the operation mechanism of the load switch 4 of the inflatable cabinet is switched on, the main shaft cam 11 rotates clockwise to push the first locking plate 10 to slide downwards, and finally the isolation operation shaft is blocked to prevent the isolation handle from being inserted into the operation isolation.
In this embodiment, the positive lock is fixedly connected to the housing 11.
In this embodiment, the manual brake closing and opening operation device is further included, and the manual brake closing and opening operation device includes a brake closing and opening knob 14, a knob rod welding assembly 15, a brake closing and opening half shaft 17 of a brake closing and opening poking pin 16 and an external reset torsion spring 18. The manual switching-on and switching-off operation device breaks through the conventional practice. The closing and opening knob 14 drives the knob rod welding assembly 15, and the knob rod welding assembly 15 pushes the closing and opening poking pin 16 so as to drive the closing and opening half shaft 17 to rotate, and finally, closing and opening instructions are completed; the opening and closing split knob 14 is loosened, and the knob rod welding assembly 15 is separated from the opening and closing split brake poking pin 16 under the drive of the external reset torsion spring 18, so that the original stay position is restored; the brake closing and opening half shaft 17 also returns to the original stop position due to the driving of the internal torsion spring and the reason that the knob rod welding assembly 15 is separated from the brake opening and opening poking pin 16, so that the reliability of the next brake closing and opening instruction is ensured.
The beneficial effects of the invention are as follows:
the assembly is well ordered, and the assembly is simple in cooperation with the switch 4.
Convenient use, good operation performance, safety and reliability.
The interlocking device is added in the misoperation prevention mode, so that safety can be effectively improved.
The sealing degree of the mechanism in the box body 1 is extremely high.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present invention.
Claims (10)
1. The utility model provides a high airtight degree aerify cabinet load switch operating device which characterized in that includes:
a case;
the box body cover is coated with a silica gel layer on the superposition surface of the box body and the box body cover, and the box body is connected with the box body cover through screws;
the secondary electric wire of the isolation mechanism is connected with an aerial plug, a sealing gasket is arranged between the aerial plug and the box body, and the aerial plug is connected with the box body through screws;
the forced interlocking comprises a first locking plate, a second locking plate, an elastic pin, a main shaft cam and an isolating shaft cam, and the isolating mechanism is connected with the forced interlocking for preventing misoperation;
the second locking plate limits the twisting of the closing knob by limiting the elastic pin on the closing knob of the isolation mechanism;
the isolating shaft cam is used for driving the first locking plate to slide downwards when rotating clockwise so as to release the limit of the closing knob and enable the load switch operating mechanism of the inflatable cabinet to be closed;
the spindle cam is used for pushing the first lock plate to slide downwards when rotating clockwise.
2. The high-tightness gas-filled cabinet load switch operating mechanism according to claim 1, wherein the isolating mechanism comprises a grounding operating shaft and an isolating operating shaft; the positive interlock further includes an indicating flap, the indicating flap being rotatable clockwise and counter-clockwise;
the indicating baffle is used for rotating clockwise after the isolating switch-on is operated, and finally blocking the grounding operation shaft so as to prevent the isolating switch-on from being operated to be grounded; or after the grounding switch-on is operated, the indication baffle rotates anticlockwise, and finally the isolation operation shaft is blocked, so that the grounding switch-on can be prevented from being operated for isolation.
3. The high-tightness gas-filled cabinet load switch operating mechanism according to claim 2, wherein the second locking plate limits the elastic pin on the closing knob of the isolation mechanism to cause the closing knob to be unable to twist in the opening state of the isolation mechanism, so that the gas-filled cabinet load switch operating mechanism is unable to close in the opening state of the isolation mechanism;
when the isolating mechanism is used for isolating and switching on, the isolating operation shaft is operated clockwise to realize isolating and switching on, and the isolating shaft cam is also rotated clockwise at the same time, so that the second locking plate slides downwards, the limitation of the switching-on knob is relieved, and the load switch operation mechanism of the inflatable cabinet can be switched on.
4. A high tightness gas filled tank load switch operating mechanism according to claim 2, wherein said gas filled tank load switch operating mechanism is defined as: when the load switch operating mechanism of the inflatable cabinet is in a closing state, the isolating mechanism cannot be opened, and when the load switch operating mechanism of the inflatable cabinet is closed, the main shaft cam rotates clockwise and pushes the first locking plate to slide downwards, so that the first locking plate blocks the isolating operation shaft, and the isolating handle is prevented from being inserted into operation isolation.
5. The high tightness gas filled tank load switch operating mechanism of claim 2, wherein said positive lock is fixedly connected to the tank.
6. The high-tightness pneumatic cabinet load switch operating mechanism according to claim 2, further comprising a manual closing and opening operating device, wherein the manual closing and opening operating device comprises a closing and opening knob, a knob rod welding assembly, a closing and opening poking pin, a closing and opening half shaft, an inner torsion spring and an outer reset torsion spring, and the closing and opening knob is a closing knob of the isolation mechanism.
7. The high-tightness gas-filled cabinet load switch operating mechanism according to claim 6, wherein the closing and opening knob is used for driving a knob rod welding assembly to rotate, and the knob rod welding assembly drives the closing and opening half shaft to rotate by pushing the closing and opening poking pin so as to complete a closing and opening instruction;
the outer reset torsion spring is used for enabling the knob rod welding assembly to be separated from the switching-on and switching-off poking pin under the drive of the outer reset torsion spring when the switching-on and switching-off knob is loosened, and returning to the original stay position;
the inner torsion spring is used for returning to the original stay position due to the driving of the inner torsion spring and the reason that the knob rod welding assembly is separated from the opening and closing brake pulling pin when the knob rod welding assembly is separated from the opening and closing brake pulling pin.
8. The high-tightness gas-filled cabinet load switch operating mechanism according to any one of claims 1 to 7, wherein the box body is formed by sealing and welding a bottom plate and surrounding side plates, a step hole is formed in the bottom of the box body, a switch is inserted into the step hole, a sealing ring is arranged on the switch, and the switch and the step hole are sealed through the sealing ring.
9. The method for switching on and off the load switch of the inflatable cabinet is characterized in that the switching on and off operation is completed through the load switch operating mechanism of the inflatable cabinet according to any one of claims 2-8, and the method comprises the following steps:
step S1, when the isolation mechanism is in a brake-separating state: when the isolation mechanism is in a brake-separating state, the elastic pin on the switch-on knob of the isolation mechanism is limited by the second locking plate, so that the switch-on knob cannot twist, and finally, the fact that the load switch operating mechanism of the inflatable cabinet cannot switch on when the isolation mechanism is in the brake-separating state is realized; when the isolating switch-on is operated, the indication baffle rotates clockwise, and finally the grounding operation shaft is blocked, so that the isolating switch-on can be prevented from being operated to be grounded; when the operation grounding switch-on is performed, the indication baffle rotates anticlockwise, and finally the isolation operation shaft is blocked, so that the operation isolation can be performed after the grounding switch-on is prevented;
s2, when the isolation operation shaft is operated clockwise to realize isolation switching-on, the isolation shaft cam also rotates clockwise, the second locking plate slides downwards, the limitation of the switching-on knob is relieved, and the charging cabinet load switch operation mechanism can start switching-on;
step S3, if the load switch operating mechanism of the inflatable cabinet is in a closing state, the isolating mechanism cannot be opened: when the load switch operating mechanism of the inflatable cabinet is switched on, the main shaft cam rotates clockwise to push the first locking plate to slide downwards, and finally the isolation operating shaft is blocked to prevent the isolation handle from being inserted into the operation isolation.
10. The method for closing and opening a load switch of an inflatable cabinet according to claim 9, wherein the load switch operating mechanism of the inflatable cabinet further comprises a manual closing and opening operation device, the manual closing and opening operation device comprises a closing and opening knob, a knob rod welding assembly, a closing and opening poking pin, a closing and opening half shaft, an inner torsion spring and an outer reset torsion spring, the closing and opening knob is a closing knob of the isolation mechanism, and the method further comprises the closing and opening reset step of:
the knob rod welding assembly is driven to rotate through the closing and opening knob, and pushes the closing and opening poking pin to drive the closing and opening half shaft to rotate, so that a closing and opening instruction is finally completed; releasing the opening and closing split knob, and enabling the knob rod welding assembly to separate from the opening and closing split brake poking pin under the drive of the external reset torsion spring to return to the original stay position; the switching-on and switching-off semi-axle is also restored to the original stop position due to the driving of the internal torsion spring and the reason that the knob rod welding component is separated from the switching-on and switching-off poking pin, so that the reliability of the next switching-on and switching-off instruction is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310831585.0A CN116844882B (en) | 2020-04-22 | 2020-04-22 | High-tightness pneumatic cabinet load switch operating mechanism and switching-on and switching-off method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310831585.0A CN116844882B (en) | 2020-04-22 | 2020-04-22 | High-tightness pneumatic cabinet load switch operating mechanism and switching-on and switching-off method |
| CN202010322381.0A CN111477494A (en) | 2020-04-22 | 2020-04-22 | Aerify cabinet load switch operating device that airtight degree is high |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322381.0A Division CN111477494A (en) | 2020-04-22 | 2020-04-22 | Aerify cabinet load switch operating device that airtight degree is high |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116844882A CN116844882A (en) | 2023-10-03 |
| CN116844882B true CN116844882B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322381.0A Pending CN111477494A (en) | 2020-04-22 | 2020-04-22 | Aerify cabinet load switch operating device that airtight degree is high |
| CN202310831585.0A Active CN116844882B (en) | 2020-04-22 | 2020-04-22 | High-tightness pneumatic cabinet load switch operating mechanism and switching-on and switching-off method |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322381.0A Pending CN111477494A (en) | 2020-04-22 | 2020-04-22 | Aerify cabinet load switch operating device that airtight degree is high |
Country Status (1)
| Country | Link |
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| CN (2) | CN111477494A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020035675A (en) * | 2000-11-07 | 2002-05-15 | 이종수 | the interlock device in earthing switch of vacuum circuit breaker |
| CN200947394Y (en) * | 2006-08-24 | 2007-09-12 | 上海天灵开关厂有限公司 | LMG-12/LCG-12 three-position SF loading switch position indicating and interlocking mechanism |
| CN105703232A (en) * | 2016-04-26 | 2016-06-22 | 乐清致轩电气有限公司 | Circuit breaker interlocking mechanism |
| CN106449233A (en) * | 2016-11-16 | 2017-02-22 | 协成科技股份有限公司 | Triaxial interlocking device of high-voltage load switch and operation method of triaxial interlocking device of high-voltage load switch |
| CN108831779A (en) * | 2018-08-21 | 2018-11-16 | 广东省江门市新会电气控制设备厂有限公司 | A kind of vacuum loading switch cabinet interlock |
| CN110010387A (en) * | 2019-04-01 | 2019-07-12 | 浙江博为电气有限公司 | Ring network cabinet integral operational mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409273B (en) * | 2014-10-29 | 2016-07-06 | 浙江道笃智能开关有限公司 | Pole type High-Voltage Electrical Appliances cubicle switch |
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2020
- 2020-04-22 CN CN202010322381.0A patent/CN111477494A/en active Pending
- 2020-04-22 CN CN202310831585.0A patent/CN116844882B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020035675A (en) * | 2000-11-07 | 2002-05-15 | 이종수 | the interlock device in earthing switch of vacuum circuit breaker |
| CN200947394Y (en) * | 2006-08-24 | 2007-09-12 | 上海天灵开关厂有限公司 | LMG-12/LCG-12 three-position SF loading switch position indicating and interlocking mechanism |
| CN105703232A (en) * | 2016-04-26 | 2016-06-22 | 乐清致轩电气有限公司 | Circuit breaker interlocking mechanism |
| CN106449233A (en) * | 2016-11-16 | 2017-02-22 | 协成科技股份有限公司 | Triaxial interlocking device of high-voltage load switch and operation method of triaxial interlocking device of high-voltage load switch |
| CN108831779A (en) * | 2018-08-21 | 2018-11-16 | 广东省江门市新会电气控制设备厂有限公司 | A kind of vacuum loading switch cabinet interlock |
| CN110010387A (en) * | 2019-04-01 | 2019-07-12 | 浙江博为电气有限公司 | Ring network cabinet integral operational mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116844882A (en) | 2023-10-03 |
| CN111477494A (en) | 2020-07-31 |
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Denomination of invention: A high degree of sealing inflatable cabinet load switch operating mechanism and closing/opening method Granted publication date: 20240206 Pledgee: Agricultural Bank of China Limited Guangdong pilot Free Trade Zone Nansha branch Pledgor: GUANGZHOU ESUN ELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2024980031426 |