CN106252121A - A kind of High-voltage Incoming Cabinet and self power generation cabinet interlock - Google Patents
A kind of High-voltage Incoming Cabinet and self power generation cabinet interlock Download PDFInfo
- Publication number
- CN106252121A CN106252121A CN201610690728.0A CN201610690728A CN106252121A CN 106252121 A CN106252121 A CN 106252121A CN 201610690728 A CN201610690728 A CN 201610690728A CN 106252121 A CN106252121 A CN 106252121A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- voltage incoming
- guide rail
- contact
- bearing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- 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
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/285—Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool
-
- 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
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
- H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Trip Switchboards (AREA)
Abstract
The present invention provides a kind of High-voltage Incoming Cabinet and self power generation cabinet interlock, belongs to electrical equipment technical field.It includes High-voltage Incoming Cabinet and self power generation cabinet, it is both provided with mortise lock on the cabinet door of High-voltage Incoming Cabinet and on the cabinet door of self power generation cabinet, two mortise locks use same key, the chopper bearing of High-voltage Incoming Cabinet can be arranged on bearing guide rail by slide anteroposterior, upper moving contact and lower moving contact are arranged on vacuum circuit breaker, upper static contact is arranged on upper contact head box, lower static contact is arranged on lower contact box, auxiliary bus-bar joint is sequentially connected with secondary line room, secondary interlocking and vacuum circuit breaker, upper static contact connects three-phase terminal, lower static contact connects one end of current transformer, the other end of current transformer connects earthing and cable, it is additionally provided with notch on the cabinet door of High-voltage Incoming Cabinet, the side of bearing guide rail is provided with limitation locking assembly.The present invention effectively prevents High-voltage Incoming Cabinet and self power generation cabinet to be simultaneously in duty, it is to avoid unexpected generation, security protection is good.
Description
Technical field
The present invention relates to electrical equipment technical field, particularly to a kind of High-voltage Incoming Cabinet and self power generation cabinet interlock.
Background technology
Power equipment mainly includes that generating equipment is mainly station boiler, steaming with generating equipment and power supply unit two big class
Steam turbine, gas turbine, the hydraulic turbine, electromotor, transformator etc., power supply unit is mainly the power transmission line of various electric pressure
Road, transformer, catalyst etc..High-voltage Incoming Cabinet is a kind of common power equipment.High-voltage Incoming Cabinet is mainly disjunction, Guan Bi
Circuit between electrical network and user, has relay protection function and instruction electrical equipment；It is used for protecting customer power supply circuit and electrical equipment,
In circuit or equipment generation major break down, local protection.During inefficacy, it departs from electric network source accident equipment or circuit in time.From
Generating cabinet is a kind of reserve tank, when High-voltage Incoming Cabinet does not works, just starts self power generation cabinet, and two kinds can not use simultaneously, such as two
Person starts simultaneously can cause security incident.High-voltage Incoming Cabinet and self power generation cabinet are all equipped with mortise lock at present, and respective mortise lock is equipped with solely
Vertical key, High-voltage Incoming Cabinet and self power generation cabinet cannot realize interlocking, and safety is poor.
Summary of the invention
It is an object of the invention to provide a kind of High-voltage Incoming Cabinet and self power generation cabinet interlock, prevent High-voltage Incoming Cabinet and from
Generating cabinet is simultaneously in duty, it is to avoid unexpected generation, security protection is good.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of High-voltage Incoming Cabinet and self power generation cabinet interlock, it includes High-voltage Incoming Cabinet and self power generation cabinet, described high pressure inlet wire
Being both provided with mortise lock on the cabinet door of cabinet and on the cabinet door of self power generation cabinet, two mortise locks use same key, described high pressure inlet wire
Cabinet includes cabinet, auxiliary bus-bar joint, secondary line room, secondary interlocking, vacuum circuit breaker, upper moving contact, lower moving contact, upper contact head
Box, lower contact box, upper static contact, lower static contact, three-phase terminal, current transformer, earthing, cable, chopper bearing, bearing
Guide rail, described bearing guide rail is horizontally set in cabinet, and described vacuum circuit breaker is arranged on chopper bearing, described chopper
Bearing can be arranged on bearing guide rail by slide anteroposterior, and described upper moving contact and lower moving contact are arranged on vacuum circuit breaker, described
Upper contact head box and lower contact box are fixed in cabinet, and described upper static contact is arranged on upper contact head box, and described lower static contact is arranged
On lower contact box, described auxiliary bus-bar joint is sequentially connected with secondary line room, secondary interlocking and vacuum circuit breaker, described upper static contact
Connecting three-phase terminal, described lower static contact connects one end of current transformer, and the other end of described current transformer connects ground connection
Cutter and cable, the cabinet door of described High-voltage Incoming Cabinet is additionally provided with notch, and the side of described bearing guide rail is provided with limitation locking
Assembly, described limitation locking assembly includes that interlocking pressing plate, pressing plate guide rail, connecting rod, fork, rocking bar, rocking bar prop up bearing, the first supporting
Plate, the second support plate, spacing gantry pillars, limit bolt, torsion spring, described pressing plate guide rail is vertically arranged in the cabinet of High-voltage Incoming Cabinet
Men Shang, described interlocking pressing plate can slide up and down and be arranged on pressing plate guide rail, and described interlocking pressing plate is provided with pressure tongue, described pressure tongue
Stretching out the notch of cabinet door, the side of described interlocking pressing plate is additionally provided with locking hole, and described mortise lock is positioned at the side of interlocking pressing plate, institute
Stating and arrange locking head on mortise lock, described rocking bar is rotatably provided in rocking bar and props up in bearing, and described rocking bar props up bearing and is fixed on bearing
Guide rail side, the lower end of described connecting rod is hinged on the upper end of interlocking pressing plate, and the upper end of described connecting rod and one end of fork are hinged, institute
The other end and the rocking bar of stating fork are hinged, and described first support plate and the second support plate are fixed on rocking bar, described spacing swing
Bearing is hinged on rocking bar, and between the first support plate and the second support plate, one end of described limit bolt is hinged on
On spacing gantry pillars, described bearing guide rail being provided with stopper slot, the other end of described limit bolt may pass through stopper slot, the
Being provided with torsion spring catch on two support plates, described torsion spring concentric is arranged on rocking bar, one end of torsion spring and the laminating of torsion spring catch,
The other end of described torsion spring and the laminating of bearing guide rail.
Further, described auxiliary bus-bar joint is 20 joint copper rod type auxiliary bus-bar joints.
Further, the side of described vacuum circuit breaker is provided with emergency brake-dividing device.
Compared to the prior art the present invention, has the following advantages and effect: High-voltage Incoming Cabinet and self power generation cabinet interlocking (two locks
One key), when self power generation does not uses, High-voltage Incoming Cabinet inserts key and rotates, and the locking head on mortise lock is retracted, and releases interlocking pressure
The locking of plate, rocking bar self-return under the drive of torsion spring, spacing gantry pillars drives limit bolt to release chopper bearing
Shift position spacing, rocking bar drives interlocking pressing plate upwards resilience by fork, connecting rod, and vacuum circuit breaker is at chopper bearing
Under drive, upwards contact box and lower contact box move, and upper moving contact contacts with upper static contact, and lower moving contact contacts with lower static contact,
High-voltage Incoming Cabinet normally works.When high pressure inlet wire is unstable or mains-supplied is interrupted, interlocking pressing plate is pressed by pressure Sublingual, with
Time key rotate, locking head inserts the locking hole locking to interlocking pressing plate, drives rocking bar to rotate by connecting rod and fork, limit simultaneously
Position gantry pillars drives limit bolt to carry out spacing to chopper bearing shift position, prevent moving contact and upper static contact, under
Moving contact contacts with lower static contact, now, extracts key, is inserted from the mortise lock generated electricity cashier's office in a shop, the most just allows to use self power generation.
Auxiliary bus-bar joint is 20 joint copper rod type auxiliary bus-bar joints, plays the effect collecting, distributing electric energy, and effective, service life is long.Very
The side of empty chopper is provided with emergency brake-dividing device, it is achieved to vacuum circuit breaker emergency cut-off, prevent unexpected generation.The present invention
High-voltage Incoming Cabinet and self power generation cabinet is effectively prevented to be simultaneously in duty, it is to avoid unexpected generation, security protection is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of High-voltage Incoming Cabinet of the present invention.
Fig. 3 is the structural representation of limitation locking assembly of the present invention.
Fig. 4 is the top view of limitation locking assembly of the present invention.
Fig. 5 is the partial enlarged drawing A of Fig. 4 of the present invention.
In figure: 1. High-voltage Incoming Cabinet, 2. self power generation cabinet, 3. mortise lock, 4. auxiliary bus-bar joint, 5. secondary line room, 6. two connection
Lock, 7. vacuum circuit breaker, 8. go up moving contact, 9. lower moving contact, 10. upper contact head box, 11. times contact boxs, 12. upper static contacts, 13.
Lower static contact, 14. three-phase terminals, 15. current transformers, 16. earthings, 17. cables, 18. chopper bearings, 19. bearings are led
Rail, 20. notches, 21. limitation locking assemblies, 22. interlocking pressing plates, 23. pressing plate guide rails, 24. connecting rods, 25. forks, 26. rocking bars,
27. rocking bars prop up bearing, 28. first support plates, 29. second support plates, 30. spacing gantry pillars, 31. limit bolts, and 32. turn round
Spring, 33. pressure tongues, 34. locking holes, 35. locking heads, 36. stopper slots, 37. torsion spring catch, 38. emergency brake-dividing devices.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are to this
Bright explanation and the invention is not limited in following example.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of High-voltage Incoming Cabinet and self power generation cabinet interlock, it includes height
Pressure incoming line cabinet 1 and self power generation cabinet 2, be both provided with mortise lock 3 on the cabinet door of described High-voltage Incoming Cabinet 1 and on the cabinet door of self power generation cabinet 2,
Two mortise locks 3 use same key.Described High-voltage Incoming Cabinet 1 includes cabinet, auxiliary bus-bar joint 4, secondary line room 5, secondary connection
Lock 6, vacuum circuit breaker 7, upper moving contact 8, lower moving contact 9, upper contact head box 10, lower contact box 11, upper static contact 12, lower static contact
13, three-phase terminal 14, current transformer 15, earthing 16, cable 17, chopper bearing 18, bearing guide rail 19, described bearing is led
Rail 19 is horizontally set in cabinet, and described vacuum circuit breaker 7 is arranged on chopper bearing 18, described chopper bearing 18 can before
After be slidably arranged on bearing guide rail 19, described upper moving contact 8 and lower moving contact 9 are arranged on vacuum circuit breaker 7, described upper touch
Head cartridge 10 and lower contact box 11 are fixed in cabinet, and described upper static contact 12 is arranged on upper contact head box 10, described lower static contact
13 are arranged on lower contact box 11, and described auxiliary bus-bar joint 4 is sequentially connected with secondary line room 5, secondary interlocking 6 and vacuum circuit breaker 7,
Described auxiliary bus-bar joint 4 is 20 joint copper rod type auxiliary bus-bar joints, plays the effect collecting, distributing electric energy, effective, service life
Long.The side of described vacuum circuit breaker 7 is provided with emergency brake-dividing device 38, it is achieved to vacuum circuit breaker 7 emergency cut-off, prevents meaning
Outer generation.Described upper static contact 12 connects three-phase terminal 14, and described lower static contact 13 connects one end of current transformer 15, described
The other end of current transformer 15 connects earthing 16 and cable 17.It is additionally provided with notch on the cabinet door of described High-voltage Incoming Cabinet 1
20, the side of described bearing guide rail 19 is provided with limitation locking assembly 21.Described limitation locking assembly 21 include interlock pressing plate 22,
Pressing plate guide rail 23, connecting rod 24, fork 25, rocking bar 26, rocking bar prop up bearing the 27, first support plate the 28, second support plate 29, spacing pendulum
Dynamic bearing 30, limit bolt 31, torsion spring 32, described pressing plate guide rail 23 is vertically arranged on the cabinet door of High-voltage Incoming Cabinet 1, described
Lock pressing plate 22 can slide up and down and be arranged on pressing plate guide rail 23, and described interlocking pressing plate 22 is provided with pressure tongue 33, described pressure tongue 33
Stretch out the notch 20 of cabinet door, it is simple to manager works.The side of described interlocking pressing plate 22 is additionally provided with locking hole 34, described slotting
Lock 3 is positioned at the side of interlocking pressing plate 22, and described mortise lock 3 arranges locking head 35, and described rocking bar 26 is rotatably provided in rocking bar and props up
In bearing 27, described rocking bar props up bearing 27 and is fixed on bearing guide rail 19 side, and the lower end of described connecting rod 24 is hinged on interlocking pressing plate
The upper end of 22, the upper end of described connecting rod 24 and one end of fork 25 are hinged, and the other end and the rocking bar 26 of described fork 25 are hinged, institute
Stating the first support plate 28 and the second support plate 29 is fixed on rocking bar 26, described spacing gantry pillars 30 is hinged on rocking bar 26,
And between the first support plate 28 and the second support plate 29, one end of described limit bolt 31 is hinged on spacing gantry pillars
On 30, described bearing guide rail 19 being provided with stopper slot 36, the other end of described limit bolt 31 may pass through stopper slot 36, and second
Being provided with torsion spring catch 37 on support plate 29, described torsion spring 32 concentric is arranged on rocking bar 26, one end of torsion spring 32 and torsion spring
Catch 37 is fitted, and the other end and the bearing guide rail 19 of described torsion spring 32 are fitted.
By technique scheme, when one High-voltage Incoming Cabinet of the present invention and self power generation cabinet interlock use, height is pressed into
Line cabinet 1 and self power generation cabinet 2 are interlocked (two lock one keys), and when self power generation does not uses, High-voltage Incoming Cabinet 1 inserts key and rotates, mortise lock 3
On locking head 34 retract, release to interlocking pressing plate 22 locking, rocking bar 26 self-return under the drive of torsion spring 32, spacing pendulum
It is spacing that dynamic bearing 30 drives that limit bolt 31 releases chopper bearing 18 shift position, and rocking bar 26 is by fork 25, connecting rod
24 drive interlocking pressing plate 22 upwards resiliences, vacuum circuit breaker 7 under the drive of chopper bearing 18 upwards contact box 10 and lower touch
Head cartridge 11 moves, and upper moving contact 8 contacts with upper static contact 12, and lower moving contact 9 contacts with lower static contact 13, and High-voltage Incoming Cabinet 1 is just
Often work.When high pressure inlet wire is unstable or mains-supplied is interrupted, interlocking pressing plate 22 is pressed for 33 times by pressure tongue, simultaneously key rotation
Turning, locking head 35 inserts the locking hole 34 locking to interlocking pressing plate 22, drives rocking bar 26 turns by connecting rod 24 and fork 25 simultaneously
Dynamic, spacing gantry pillars 30 drives limit bolt 31 to carry out spacing to chopper bearing 18 shift position, prevents moving contact 8 He
Upper static contact 12, lower moving contact 9 contact with lower static contact 13, now, extract key, are inserted from the mortise lock 3 on cabinet 2 that generates electricity, this
Sample just allows to use self power generation.The present invention effectively prevents High-voltage Incoming Cabinet 1 and self power generation cabinet 2 to be simultaneously in duty, it is to avoid
Unexpected generation, security protection is good.
Above content described in this specification is only illustration made for the present invention.Technology belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode by the technical staff in field
Substitute, without departing from the content of description of the invention or surmount scope defined in the claims, all should be belonged to this
The protection domain of invention.
Claims (3)
1. a High-voltage Incoming Cabinet and self power generation cabinet interlock, it is characterised in that: it includes High-voltage Incoming Cabinet and self power generation cabinet,
Being both provided with mortise lock on the cabinet door of described High-voltage Incoming Cabinet and on the cabinet door of self power generation cabinet, two mortise locks use same key,
Described High-voltage Incoming Cabinet includes cabinet, auxiliary bus-bar joint, secondary line room, secondary interlocking, vacuum circuit breaker, upper moving contact, lower dynamic
Contact, upper contact head box, lower contact box, upper static contact, lower static contact, three-phase terminal, current transformer, earthing, cable, open circuit
Device bearing, bearing guide rail, described bearing guide rail is horizontally set in cabinet, and described vacuum circuit breaker is arranged on chopper bearing
On, described chopper bearing can be arranged on bearing guide rail by slide anteroposterior, and described upper moving contact and lower moving contact are arranged on vacuum
On chopper, described upper contact head box and lower contact box are fixed in cabinet, and described upper static contact is arranged on upper contact head box, described
Lower static contact is arranged on lower contact box, and described auxiliary bus-bar joint is sequentially connected with secondary line room, secondary interlocking and vacuum circuit breaker,
Described upper static contact connects three-phase terminal, and described lower static contact connects one end of current transformer, described current transformer another
One end connects earthing and cable, and the cabinet door of described High-voltage Incoming Cabinet is additionally provided with notch, and the side of described bearing guide rail sets
Being equipped with limitation locking assembly, described limitation locking assembly includes that interlocking pressing plate, pressing plate guide rail, connecting rod, fork, rocking bar, rocking bar prop up
Bearing, the first support plate, the second support plate, spacing gantry pillars, limit bolt, torsion spring, described pressing plate guide rail is vertically arranged in
On the cabinet door of High-voltage Incoming Cabinet, described interlocking pressing plate can slide up and down and be arranged on pressing plate guide rail, and described interlocking pressing plate is arranged
Having pressure tongue, described pressure tongue to stretch out the notch of cabinet door, the side of described interlocking pressing plate is additionally provided with locking hole, and described mortise lock is positioned at connection
The side of lock pressing plate, described mortise lock arranges locking head, and described rocking bar is rotatably provided in rocking bar and props up in bearing, and described rocking bar props up
Bearing is fixed on bearing guide rail side, and the lower end of described connecting rod is hinged on the upper end of interlocking pressing plate, the upper end of described connecting rod and pendulum
One end of bar is hinged, and the other end and the rocking bar of described fork are hinged, and described first support plate and the second support plate are fixed on rocking bar
On, described spacing gantry pillars is hinged on rocking bar, and between the first support plate and the second support plate, described spacing slotting
One end of pin is hinged on spacing gantry pillars, and described bearing guide rail is provided with stopper slot, the other end of described limit bolt
May pass through stopper slot, the second support plate is provided with torsion spring catch, described torsion spring concentric is arranged on rocking bar, one end of torsion spring
Fit with torsion spring catch, the other end of described torsion spring and the laminating of bearing guide rail.
A kind of High-voltage Incoming Cabinet the most according to claim 1 and self power generation cabinet interlock, it is characterised in that: described little mother
Line terminals is 20 joint copper rod type auxiliary bus-bar joints.
A kind of High-voltage Incoming Cabinet the most according to claim 1 and self power generation cabinet interlock, it is characterised in that: described vacuum
The side of chopper is provided with emergency brake-dividing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690728.0A CN106252121B (en) | 2016-08-20 | 2016-08-20 | A kind of High-voltage Incoming Cabinet and self power generation cabinet interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690728.0A CN106252121B (en) | 2016-08-20 | 2016-08-20 | A kind of High-voltage Incoming Cabinet and self power generation cabinet interlock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106252121A true CN106252121A (en) | 2016-12-21 |
| CN106252121B CN106252121B (en) | 2018-03-20 |
Family
ID=57593133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610690728.0A Expired - Fee Related CN106252121B (en) | 2016-08-20 | 2016-08-20 | A kind of High-voltage Incoming Cabinet and self power generation cabinet interlock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106252121B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146037A (en) * | 2019-12-17 | 2020-05-12 | 上海平高天灵开关有限公司 | Anti-misoperation locking device between low-voltage side power supply of box transformer substation and power generation car access power supply |
| CN113725760A (en) * | 2021-09-01 | 2021-11-30 | 嘉兴市正辉电力设备有限公司 | High-reliability high-voltage switch cabinet |
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| JP2004173432A (en) * | 2002-11-21 | 2004-06-17 | Fuji Electric Fa Components & Systems Co Ltd | Pull-out breaker and pull-out method |
| CN200972997Y (en) * | 2006-08-10 | 2007-11-07 | 上海中科电气(集团)有限公司 | Drawing base of high voltage vacuum breaker |
| KR100841983B1 (en) * | 2007-12-06 | 2008-06-27 | 해종하이텍 주식회사 | Vacuum circuit breaker interlock mechanism |
| CN202872227U (en) * | 2012-10-23 | 2013-04-10 | 成都科星电力电器有限公司 | Breaker open operation interlocking device and high-tension switchgear applying the device |
| WO2013084572A1 (en) * | 2011-12-08 | 2013-06-13 | 三菱電機株式会社 | Switchgear |
| CN103490320A (en) * | 2013-09-30 | 2014-01-01 | 成都通力集团股份有限公司 | Misoperation prevention device of high-voltage switch cabinet |
| CN205335727U (en) * | 2016-01-27 | 2016-06-22 | 温州华港电气有限公司 | Guide rail interlocking |
| CN205943825U (en) * | 2016-08-20 | 2017-02-08 | 嘉兴市正辉电力设备有限公司 | High pressure inlet wire cabinet and cabinet interlock that generates electricity certainly |
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2016
- 2016-08-20 CN CN201610690728.0A patent/CN106252121B/en not_active Expired - Fee Related
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| JP2004173432A (en) * | 2002-11-21 | 2004-06-17 | Fuji Electric Fa Components & Systems Co Ltd | Pull-out breaker and pull-out method |
| CN200972997Y (en) * | 2006-08-10 | 2007-11-07 | 上海中科电气(集团)有限公司 | Drawing base of high voltage vacuum breaker |
| KR100841983B1 (en) * | 2007-12-06 | 2008-06-27 | 해종하이텍 주식회사 | Vacuum circuit breaker interlock mechanism |
| WO2013084572A1 (en) * | 2011-12-08 | 2013-06-13 | 三菱電機株式会社 | Switchgear |
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| CN103490320A (en) * | 2013-09-30 | 2014-01-01 | 成都通力集团股份有限公司 | Misoperation prevention device of high-voltage switch cabinet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146037A (en) * | 2019-12-17 | 2020-05-12 | 上海平高天灵开关有限公司 | Anti-misoperation locking device between low-voltage side power supply of box transformer substation and power generation car access power supply |
| CN111146037B (en) * | 2019-12-17 | 2022-07-05 | 上海平高天灵开关有限公司 | Anti-misoperation locking device between low-voltage side power supply of box transformer substation and power generation car access power supply |
| CN113725760A (en) * | 2021-09-01 | 2021-11-30 | 嘉兴市正辉电力设备有限公司 | High-reliability high-voltage switch cabinet |
| CN113725760B (en) * | 2021-09-01 | 2024-06-04 | 嘉兴市正辉电力设备有限公司 | High-reliability high-voltage switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106252121B (en) | 2018-03-20 |
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Granted publication date: 20180320 Termination date: 20210820 |