CN105207105B - Outdoor compact type substation high-voltage switch gear gas tank - Google Patents
Outdoor compact type substation high-voltage switch gear gas tank Download PDFInfo
- Publication number
- CN105207105B CN105207105B CN201510692292.4A CN201510692292A CN105207105B CN 105207105 B CN105207105 B CN 105207105B CN 201510692292 A CN201510692292 A CN 201510692292A CN 105207105 B CN105207105 B CN 105207105B
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- Prior art keywords
- babinet
- high pressure
- voltage
- inner cone
- gas tank
- Prior art date
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0356—Mounting of monitoring devices, e.g. current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to high-voltage electric switch unit manufacturing technology fields, purpose is to provide a kind of high-voltage switch gear gas tank of outdoor compact type intelligent substation, and to solve, on-pole switch device components type in the prior art is more, scattered is distributed the problems such as integrated level brought is low, operation and maintenance are inconvenient.High-voltage switch gear gas tank includes the components such as babinet, operating mechanism, high-voltage fuse storehouse, high pressure extension inner cone, high-voltage arrester casing, high-voltage terminal inner cone, pressure release external member, lifting external member, high pressure three-station.High pressure three-station is located above box house, and high-voltage fuse position in storehouse is in the middle part in babinet 1, and for high-voltage fuse storehouse opening in the left side of babinet, A, B, C three-phase are in longitudinal arrangement.High-voltage switch gear gas tank is using integration, knockdown structure design, gas tank sealing, sulfur hexafluoride gas-insulating, surface shielding, the operational safety fully to guarantee personal safety with equipment.
Description
Technical field
The present invention relates to high-voltage electric switch unit manufacturing technology fields, especially a kind of to be used for power distribution network outdoor compact type
The high-voltage switch gear gas tank of intelligent substation.
Background technology
In the power distribution network in China, there is also a large amount of on-pole switch equipment.Especially in rural area 10kV power distribution networks, by column
System of the composition such as high voltage drop-out type fuse cutout, high-voltage arrester, pole type transformer, low-tension distribution box substation on high-voltage switch gear, column
System is the main power supply mode of power distribution network.Equipment in the system is scattered to be distributed in plateau on column, and electrical equipment is exposed in air
In, lead to equipment corrosion, aging and easily destroyed by external force to be difficult to solve.Energized conductor is exposed in air, causes band
Electric operation is inconvenient, Frequent Troubles, and security risk is more.The safety of distribution transformer operation, poor reliability, while running and tieing up
It is complicated to protect working environment, technical difficulty is high.Publication number 201781218U discloses a kind of on-load switch and fuse combined cabinet, will
On-load switch is placed in sulfur hexafluoride gas-insulating gas tank, and fuse is placed in the molten storehouse being made of epoxy resin, is located at gas tank
Lower part.Technical solution is integrated with high voltage load switch and fuse disclosed in the patent document, to solve electrical equipment on column
Scattered distribution provides improved though, but low there is also integrated level and the problem of cannot meet outdoor service condition, and such as molten storehouse is sudden and violent
Dew is in air.
Invention content
The object of the present invention is to provide a kind of high-voltage switch gear gas tanks of outdoor compact type intelligent substation, to solve existing skill
On-pole switch device components type is more in art, scattered is distributed the problems such as integrated level brought is low, operation and maintenance are inconvenient.This hair
Bright central scope is：Using integration, knockdown structure design, gas tank sealing, sulfur hexafluoride gas-insulating, surface screen
It covers, the operational safety fully to guarantee personal safety with equipment.
To achieve the goals above, the technical scheme is that：A kind of height of outdoor compact type intelligent substation presses off
Close gas tank, including babinet 1, operating mechanism 2, high-voltage fuse storehouse 3, high pressure extension inner cone 4, high-voltage arrester casing 5, in high-voltage terminal
Cone 6, pressure release external member 7, lifting external member 8, air gauge 9, arrester 10, high pressure PT11, high pressure three-station 12, high pressure inlet wire set
Pipe 13；Operating mechanism 2 is located at 1 upper front of babinet, and high pressure three-station 12 is located at 1 inner upper of babinet, and A, B, C three-phase are in
The drive shaft of longitudinal arrangement, operating mechanism 2 is docked with the transmission shaft of high pressure three-station 12, the biography of high pressure three-station 12
Rubber ring sealing is used between moving axis and babinet 1；High-voltage fuse storehouse 3 is located at the middle part in babinet 1, and high-voltage fuse storehouse 3 is open in case
The left side of body；High-voltage terminal inner cone 6 is located among the bottom of box, and A, B, C three-phase are in transversely arranged；Air gauge 9 is being located at babinet 1 just
For face upper right close to operating mechanism 2, it includes hanging ring, U-type groove, bolt etc., 1 top of babinet that 1 top of babinet, which is equipped with lifting external member 8,
It is additionally provided with pressure release external member 7 among lifting external member 8；1 left upper portion of babinet is equipped with high pressure entrance bushing 13, and A, B, C three-phase are in longitudinal
Arrangement；Right upper portion is additionally provided with high pressure extension inner cone 4 in babinet 1, and A, B, C three-phase are in longitudinal arrangement；1 rear panel top of babinet is set
There is high-voltage arrester casing 5, A, B, C three-phase are in transversely arranged.Babinet 1 uses stainless steel plate through being cut by laser, being welded, gas
Close property is good, can ensure that weld seam not corrosion in 20 years and leakage.Operating mechanism 2 passes through the Stud connection that is welded on babinet 1.High-voltage fuse storehouse
3, between high pressure extension inner cone 4, high-voltage terminal inner cone 6, pressure release external member 7, high pressure entrance bushing 13 and babinet 1, using O-shaped close
Seal seals.What the interface of air gauge 9 and babinet 1 was additionally operable to babinet 1 vacuumizes and is perfused sulfur hexafluoride gas.
High pressure entrance bushing 13, high pressure three-station 12, high-voltage fuse storehouse 3, high pressure extension inner cone 4 A, B, C three-phase separate
Other places are in same working face.13 babinet of high pressure entrance bushing be inscribed line end and 12 quiet tool apron copper conductor of high pressure three-station or
Copper bar connects, and A, B, C three-phase are in parallelly distribute on.High pressure extends 4 babinet of inner cone and line end copper conductor or copper bar and high pressure three is inscribed
12 quiet tool apron of position switch or the connection of moving knife seat, A, B, C three-phase are in parallelly distribute on.The end of incoming cables in high-voltage fuse storehouse 3 and three work of high pressure
The moving knife seat copper conductor or copper bar of bit switch 12, A, B, C three-phase are in parallelly distribute on.A, B, C three-phase are in parallelly distribute on, are avoided
The intersection of field distribution, optimizes field distribution, improves the dielectric level of product.
High pressure extension inner cone 4 can be used for connecting other electric switch equipments and carry out electrical load dilatation, can be used for
Connect high pressure PT11.High pressure extension inner cone 4 is for when connecting high pressure PT11, high pressure extension 4 babinet of inner cone to be inscribed line end and led with copper
Line or copper bar and 12 quiet tool apron of high pressure three-station, can be in the case where high-tension cable power off on column, three station of high pressure
Separating brake is switched, high pressure PT is then dismantled, is replaced or safeguarded high pressure PT.High pressure entrance bushing 13 connects with pillar high voltage cable
It connects.High-voltage terminal inner cone 6 and high-voltage terminal cable connection provide electric energy for transformer or other loads.Electric power is through high pressure inlet wire
Casing 13 to high pressure three-station 12 then to high-voltage fuse storehouse 3 through high pressure fusible core to high-voltage terminal inner cone 6 finally by high pressure
Outlet cable is to transformer or other loads.
Outdoor compact type intelligent substation is mounted on the rack that outdoor electric pole is constituted, logical as pressure release without cable duct
Road, to prevent other electrical equipments below the safety and gas tank to the personnel below rack from bringing damage, 7 pressure release of pressure release external member
Direction is discharged into after outdoor box buffers and reduces pressure in air upward.Pressure release passage is set by pressure release external member 7, avoids event
High pressure draught is unordered when barrier discharges the danger brought.
Air gauge 9 and the interface of babinet 1 can also install sulfur hexafluoride density sensor additional, be provided for intelligent monitoring device
Gas tank air pressure and sulfur hexafluoride gas density parameter realize remotely monitor.
Operating mechanism 2 can be spring or magneto.Operating mechanism 2 is additionally provided with the indicateing arm that on off state is shown
Know and provided for smart machine the microswitch of switch state signal.High-voltage fuse storehouse 3 is additionally provided with the protection interlocked with operating mechanism 2
The automatic brake separating under malfunction may be implemented in device, protects the safety of electrical equipment.
Fusible core mandril 21 is housed outside high-voltage fuse storehouse 3, is equipped with above mandril by semicircle locking part fixing bracket 20, semicircle
Locking part 16 and connecting rod 15, operating mechanism 2 are equipped with mechanism driving connecting lever 17, tripping coil 18, the both ends point of steel wire tightrope 14
Not She You limit shaft sleeve 22 and resetting spring 23, the both ends steel wire in steel wire tightrope 14 respectively passes the left end of connecting rod 15 and mechanism
Dynamic connecting lever 17 is connected, and steel wire tightrope 14 is connected to 1 front of babinet by the effect of guiding trestle 19 from 1 right side of babinet, works as circuit
In the event of failure, fusible core fuses, and fusible core mandril 21 up pushes, and promotion will make the action of semicircle locking part 16 cause connecting rod 15 horizontal
The distance of movement, 15 horizontal movement of connecting rod drives the steel wire action in steel wire tightrope 14, the power of pulling action to make mechanism driving
Connecting lever 17 generates angle motion, and the effect of transmission crank arm 17 is directly applied on tripping coil 18, and tripping coil 18 will be to mechanism
The instruction of tripping is sent out, operating mechanism 2 is by separating brake, while limit shaft sleeve 22 on steel wire tightrope 14 and resetting spring 23 will make
Interlocking generates reset, waits for separating brake order next time.Steel wire tightrope 14, limit shaft sleeve 22 and resetting spring 23 are used cooperatively,
Operating mechanism 2 and high-voltage fuse storehouse 3 are solved not on the same direction face, the chain driving problems of fuse protection, method is simple,
Reliably.
Using above-mentioned technical proposal, the present invention has the advantages that compared with prior art：
1, compared with the scattered distribution of existing on-pole switch electric appliance, using gas tank by high pressure three-station 12, high-voltage fuse
The electric elements such as storehouse 3 are integrated together, and use sulfur hexafluoride gas-insulating, improve safety and the insulation water of system operation
It is flat, occupied space is significantly reduced, facilitates the maintenance of operations staff while reducing maintenance workload.
2, high pressure entrance bushing 13 in gas tank, high pressure three-station 12, high-voltage fuse storehouse 3, high pressure extension inner cone 4 A, B,
C three-phases are respectively at same working face and do not intersect, and connecting wire is short and can shorten insulation distance, improve alternate electrical
Security performance reduces assembly difficulty, has saved space, saved copper material.
3, using gas tank structure, high pressure three-station 12, high-voltage fuse storehouse 3 realize non-maintaining.By arrester 10, high pressure
PT11 and gas tank integrated design, it is exposed in air without energized conductor, reduce maintenance workload, improves operation power
Reliability and safety.
4, the design of high pressure extension inner cone 4, can easily carry out the dilatation of system, while reducing connection and not needing electricity
Cable has saved material and has shortened connection distance, and the miniaturization needs for meeting economic development also a save investment.
Description of the drawings
Fig. 1 is the cross-section front view of the embodiment of the present invention；
Fig. 2 is the section left view of the embodiment of the present invention；
Fig. 3 is part section front view of the embodiment of the present invention with high pressure PT；
Fig. 4 is left view of the embodiment of the present invention with high-voltage arrester；
Fig. 5 is that the embodiment of the present invention hits five anti-interlocking front views；
Fig. 6 is that the embodiment of the present invention hits five anti-interlocking right views.
Label in attached drawing：Babinet 1, operating mechanism 2, high-voltage fuse storehouse 3, high pressure extension inner cone 4, high-voltage arrester casing 5,
High-voltage terminal inner cone 6, pressure release external member 7, lifting external member 8, air gauge 9, arrester 10, high pressure PT11, high pressure three-station 12,
High pressure entrance bushing 13, steel wire tightrope 14, connecting rod 15, semicircle locking part 16, mechanism driving connecting lever 17, tripping coil 18, steel
Silk tightrope guiding trestle 19, semicircle locking part fixing bracket 20, fusible core mandril 21, limit shaft sleeve 22, resetting spring 23.
Specific implementation mode
The following description is substantially only exemplary and is not intended to the limitation disclosure, application or purposes.Below
The specific implementation mode of the present invention is further described in conjunction with Figure of description.
Embodiment 1：A kind of high-voltage switch gear gas tank of outdoor compact type intelligent substation, including babinet 1, operating mechanism 2, height
Pressure melts storehouse 3, high pressure extension inner cone 4, high-voltage arrester casing 5, high-voltage terminal inner cone 6, pressure release external member 7, lifting external member 8, air pressure
Table 9, arrester 10, high pressure PT11, high pressure three-station 12, high pressure entrance bushing 13.As shown in Figure 1 and Figure 2, operating mechanism 2
Positioned at 1 upper front of babinet, high pressure three-station 12 is located at 1 inner upper of babinet, and A, B, C three-phase are in longitudinal arrangement, actuating
The drive shaft of mechanism 2 is docked with the transmission shaft of high pressure three-station 12；High-voltage fuse storehouse 3 is located at the middle part in babinet 1, high-voltage fuse
Storehouse 3 is open in the left side of babinet；High-voltage terminal inner cone 6 is located among the bottom of box, and A, B, C three-phase are in transversely arranged；Air gauge 9
Close to operating mechanism 2 on the right side of 1 upper front of babinet, it includes hanging ring, U-type groove, bolt that 1 top of babinet, which is equipped with lifting external member 8,
Deng being additionally provided with pressure release external member 7 among 1 top lifting external member 8 of, babinet；1 left upper portion of babinet be equipped with high pressure entrance bushing 13, A, B,
C three-phases are in longitudinal arrangement；Right upper portion is additionally provided with high pressure extension inner cone 4 in babinet 1, and A, B, C three-phase are in longitudinal arrangement；As Fig. 3,
Shown in Fig. 4,1 rear panel top of babinet is equipped with high-voltage arrester casing 5, and A, B, C three-phase are in transversely arranged.Babinet 1 uses 3 millimeters
For thick 304# stainless steel plates through being cut by laser, being welded, air-tightness is good, can ensure that weld seam not corrosion in 20 years and leakage.Babinet 1
It is 480 millimeters wide, it is 530 millimeters deep, it is 650 millimeters high.Operating mechanism 2 passes through the Stud connection that is welded on babinet 1.High-voltage fuse storehouse 3, height
Companding is opened up between inner cone 4, high-voltage terminal inner cone 6, pressure release external member 7, high pressure entrance bushing 13 and babinet 1, using O-ring seal
Sealing.What the interface of air gauge 9 and babinet 1 was additionally operable to babinet 1 vacuumizes and is perfused sulfur hexafluoride gas.
In conjunction with Fig. 5, Fig. 6, fusible core mandril 21 is housed outside high-voltage fuse storehouse 3, is equipped with above mandril and is fixed by semicircle locking part
Holder 20, semicircle locking part 16 and connecting rod 15, operating mechanism 2 are equipped with mechanism driving connecting lever 17, tripping coil 18, and steel wire is soft
The both ends of rope 14 are respectively equipped with limit shaft sleeve 22 and resetting spring 23, and the both ends steel wire in steel wire tightrope 14 is respectively by connecting rod 15
Left end and mechanism driving connecting lever 17 are connected, and steel wire tightrope 14 is connected to babinet 1 by the effect of guiding trestle 19 from 1 right side of babinet
Front, when circuit in the event of failure, fusible core fusing, fusible core mandril 21 up pushes, and promotion will be such that the action of semicircle locking part 16 causes
15 horizontal movement of connecting rod, the distance of 15 horizontal movement of connecting rod is set to drive the steel wire action in steel wire tightrope 14, the power of pulling action
So that mechanism driving connecting lever 17 generates angle motion, the effect of transmission crank arm 17 is directly applied on tripping coil 18, trip line
Circle 18 will send out mechanism the instruction of tripping, and operating mechanism 2 is by separating brake, while the limit shaft sleeve 22 on steel wire tightrope 14 and reset
The interlocking made is generated reset by spring 23, waits for separating brake order next time.
Claims (4)
1. a kind of high-voltage switch gear gas tank of outdoor compact type intelligent substation, including babinet（1）, operating mechanism（2）, high-voltage fuse storehouse
（3）, high pressure extend inner cone（4）, high-voltage arrester casing（5）, high-voltage terminal inner cone（6）, pressure release external member（7）, lifting external member
（8）, air gauge（9）, high pressure three-station（12）, high pressure entrance bushing（13）, it is characterised in that：Operating mechanism（2）It is located at
Babinet（1）Upper front, high pressure three-station（12）Positioned at 1 inner upper of babinet, A, B, C three-phase are in longitudinal arrangement, actuating
Mechanism（2）Drive shaft and high pressure three-station（12）Transmission shaft docking；High-voltage fuse storehouse（3）Positioned at babinet（1）In interior
Portion, high-voltage fuse storehouse（3）Opening is in the left side of babinet；High-voltage terminal inner cone（6）Among the bottom of box, A, B, C three-phase are in cross
To arrangement；Air gauge（9）Positioned at babinet（1）Close to operating mechanism on the right side of upper front（2）, babinet（1）Top has been equipped with hanging sleeve
Part（8）, babinet（1）Lift by crane external member in top（8）Centre is additionally provided with pressure release external member（7）；Babinet（1）Left upper portion is equipped with high pressure inlet wire
Casing（13）, A, B, C three-phase are in longitudinal arrangement；Babinet（1）Interior right upper portion is additionally provided with high pressure extension inner cone（4）, A, B, C three-phase
In longitudinal arrangement；Babinet（1）The top of rear panel is equipped with high-voltage arrester casing（5）, A, B, C three-phase are in transversely arranged.
2. the high-voltage switch gear gas tank of outdoor compact type intelligent substation according to claim 1, it is characterised in that：High-voltage fuse storehouse
（3）, high pressure extend inner cone（4）, high-voltage terminal inner cone（6）, pressure release external member（7）, high pressure entrance bushing（13）With babinet（1）It
Between, it is sealed using O-ring seal；High pressure three-station（12）Transmission shaft and babinet（1）Between use rubber ring sealing.
3. the high-voltage switch gear gas tank of outdoor compact type intelligent substation according to claim 2, it is characterised in that：High pressure inlet wire
Casing（13）, high pressure three-station（12）, high-voltage fuse storehouse（3）, high pressure extend inner cone（4）A, B, C three-phase be respectively at together
One working face, high pressure entrance bushing（13）Line end and high pressure three-station is inscribed in babinet（12）Quiet tool apron copper conductor or copper bar
Connection, A, B, C three-phase are in parallelly distribute on, and high pressure extends inner cone（4）Line end copper conductor or copper bar and three work of high pressure is inscribed in babinet
Bit switch（12）Quiet tool apron or the connection of moving knife seat, A, B, C three-phase are in parallelly distribute on, high-voltage fuse storehouse（3）End of incoming cables and high pressure three
Position switch（12）Moving knife seat copper conductor, A, B, C three-phase be in parallelly distribute on.
4. the high-voltage switch gear gas tank of outdoor compact type intelligent substation according to claim 1, it is characterised in that：High-voltage fuse storehouse
（3）Fusible core mandril is housed outside（21）, mandril top is equipped with by semicircle locking part fixing bracket（20）, semicircle locking part（16）
And connecting rod（15）, operating mechanism（2）It is equipped with mechanism driving connecting lever（17）, tripping coil（18）, steel wire tightrope（14）Both ends
It is respectively equipped with limit shaft sleeve（22）And resetting spring（23）, steel wire tightrope（14）In both ends steel wire respectively by connecting rod（15）A left side
End and mechanism driving connecting lever（17）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692292.4A CN105207105B (en) | 2015-10-23 | 2015-10-23 | Outdoor compact type substation high-voltage switch gear gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510692292.4A CN105207105B (en) | 2015-10-23 | 2015-10-23 | Outdoor compact type substation high-voltage switch gear gas tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105207105A CN105207105A (en) | 2015-12-30 |
| CN105207105B true CN105207105B (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510692292.4A Active CN105207105B (en) | 2015-10-23 | 2015-10-23 | Outdoor compact type substation high-voltage switch gear gas tank |
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| CN (1) | CN105207105B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531540B (en) * | 2016-12-30 | 2018-11-09 | 福建中能电气有限公司 | A kind of combined electrical apparatus trip gear |
| CN109842047A (en) * | 2019-03-07 | 2019-06-04 | 上海置信电气股份有限公司 | A kind of compact integrated preassembled transformer station of intelligence |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2697914Y (en) * | 2003-12-15 | 2005-05-04 | 广州白云电器设备有限公司 | Box type converting station |
| CN102364651B (en) * | 2011-10-21 | 2013-11-06 | 伊顿电力设备有限公司 | Fuse tripping and interlocking device for vacuum contactor-fuse combined electrical device |
| CN102623917A (en) * | 2012-03-23 | 2012-08-01 | 广西银河迪康电气有限公司 | Air box type voltage transformer cabinet with three-position partition switch |
| CN202957469U (en) * | 2012-12-14 | 2013-05-29 | 北海银河开关设备有限公司 | Box body for sealing high-voltage switch |
| CN204242921U (en) * | 2014-10-17 | 2015-04-01 | 厦门华电开关有限公司 | High-voltage breaker operation mechanism and anti-bouncing device thereof |
| CN205355656U (en) * | 2015-10-23 | 2016-06-29 | 北海银河开关设备有限公司 | Outdoor compact substation high -voltage switch gas tank |
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| CN105207105A (en) | 2015-12-30 |
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Effective date of registration: 20210420 Address after: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI YINHE DECOM ELECTRIC Co.,Ltd. Address before: 536000 the Guangxi Zhuang Autonomous Region, Haicheng District, Tibet Road, No. 11, Galaxy Science and Technology Park, general building, Patentee before: BEIHAI GALAXY SWITCH DEVICES Co.,Ltd. |
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Effective date of registration: 20210715 Address after: 225000 in Zhongman power Jiangsu Co., Ltd., Zhongman Road, high tech Development Zone, Yangzhou City, Jiangsu Province Patentee after: Jiangsu deyidikang Technology Co.,Ltd. Address before: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI YINHE DECOM ELECTRIC Co.,Ltd. |
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Effective date of registration: 20211213 Address after: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee after: Dikang Electric Co.,Ltd. Address before: 225000 in Zhongman power Jiangsu Co., Ltd., Zhongman Road, high tech Development Zone, Yangzhou City, Jiangsu Province Patentee before: Jiangsu deyidikang Technology Co.,Ltd. |
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