CN109286140A - A kind of double-bus high-tension switch cabinet - Google Patents
A kind of double-bus high-tension switch cabinet Download PDFInfo
- Publication number
- CN109286140A CN109286140A CN201811291456.2A CN201811291456A CN109286140A CN 109286140 A CN109286140 A CN 109286140A CN 201811291456 A CN201811291456 A CN 201811291456A CN 109286140 A CN109286140 A CN 109286140A
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- Prior art keywords
- bus
- double
- disconnecting switch
- insulation column
- room
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 40
- 230000003068 static effect Effects 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000036624 brainpower Effects 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000004297 night vision Effects 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/22—Layouts for duplicate bus-bar selection
Abstract
Present disclose provides a kind of double-bus high-tension switch cabinets, including cabinet body, the first bus-bar room is equipped in the cabinet body, second bus-bar room and disconnecting switch room, the first bus is installed in first bus-bar room, the second bus is installed in second bus-bar room, the disconnecting switch indoor location has double-throw disconnecting switch, first bus and the second bus are connected with the both ends of double end disconnecting switch respectively, the double end disconnecting switch includes two groups of moving contacts, moving contact described in every group passes through the operation of proficiency electric integral operating mechanism, for being connected to or disconnecting corresponding bus circuit.It can be with free switching between two buses of disclosure switchgear, it can also put into operation and cut off simultaneously, two buses can be with a preparation and a use, when a bus needs to overhaul, it can use disconnecting switch to transfer a load on another bus, to realize uninterrupted power supply；When breaking down in the operation of the working bus bar of switchgear, can be restored electricity rapidly by auxiliary bus-bar.
Description
Technical field
This disclosure relates to high-tension apparatus technical field more particularly to a kind of double-bus high-tension switch cabinet.
Background technique
High-tension switch cabinet plays on-off, control or protection in electric system power generation, transmission of electricity, distribution, electric energy conversion and consumption
The effects of.
High-tension switch cabinet currently on the market, main wiring mode are single bus scheme.It, can compared with double bus scheme mode
It is poor by property and flexibility.Power failure operation is inevitably needed when bus-bar fault or maintenance.
Summary of the invention
In order to solve the deficiencies in the prior art, present disclose provides a kind of double-bus high-tension switch cabinet, which possesses
Two buses can also be put into operation and be cut off simultaneously with free switching between two buses, and two buses can be with one for one
With, when a bus needs to overhaul, can use disconnecting switch and transfer a load on another bus, with realize do not interrupt
Power supply；When breaking down in the operation of the working bus bar of switchgear, can be restored electricity rapidly by auxiliary bus-bar.
To achieve the goals above, the technical solution of the disclosure is as follows:
A kind of double-bus high-tension switch cabinet, including cabinet body, be equipped in the cabinet body the first bus-bar room, the second bus-bar room and every
From switch gear room, the first bus is installed in first bus-bar room, the second bus is installed in second bus-bar room, it is described every
Leave and close indoor location and have a double-throw disconnecting switch, first bus and the second bus respectively with the both ends phase of double end disconnecting switch
Even, the double end disconnecting switch includes two groups of moving contacts, and moving contact described in every group passes through proficiency electric integral operating mechanism behaviour
Make, for being connected to or disconnecting corresponding bus circuit.
Further, the double end disconnecting switch include three isolated locations, each isolated location include static contact I,
Static contact II, moving contact I, moving contact II, inlet wire insulation column I, inlet wire insulation column II and outlet insulation column, the stationary contact
First I is fixed on I lower end of inlet wire insulation column, and the static contact II is fixed on II lower end of inlet wire insulation column, the outlet insulation
Pillar is set between inlet wire insulation column I and inlet wire insulation column II, and outlet insulation column lower end is connected with the row of connection,
Connection row two sides are rotatablely connected with one end of moving contact I and moving contact II respectively, and the inlet wire insulation column I, inlet wire are exhausted
Edge pillar II and outlet insulation column upper end are fixedly connected with disconnecting switch frame.
Further, the isolated location is uniformly fixed on disconnecting switch frame, and the disconnecting switch frame is fixed
In on disconnecting switch ceiling endplate.
Further, the disconnecting switch frame is equipped with operating shaft I and operating shaft II, and the operating shaft I passes through connecting lever I
It is connected with hand-electric integrated operation mechanism I, the operating shaft II is connected by connecting lever II with hand-electric integrated operation mechanism II.
Further, the operating shaft I is connect by insulated pull rod I with moving contact I, and the operating shaft II is drawn by insulation
Bar II is connect with moving contact II.
Further, video brainpower watch and control device is equipped in the switchgear, the video brainpower watch and control device includes taking the photograph
The case where picture head and screen monitoring system, the camera is used for the isolation fracture by double-throw disconnecting switch, is uploaded to screen in real time
Monitoring system.
Further, the camera is the camera with night vision function.
Further, disconnecting switch room lower end is equipped with pressure relief device.
Further, first bus-bar room and the second bus-bar room upper end are equipped with the pressure release passage being connected to outside.
Further, breaker is also equipped in the switchgear, the double-throw disconnecting switch passes through electric interlocking installation
It is connected with breaker, which can effectively prevent maloperation of the double-throw disconnecting switch when breaker is in closing position.
Further, it is additionally provided with cable vault in the switchgear, is equipped with pressure relief device or pressure relieving cooling in the cable vault
Device.
Compared with prior art, the beneficial effect of the disclosure is:
1) the double-bus high-tension switch cabinet of the disclosure, area occupied is small, compact-sized, easy to operate, high safety and reliability,
It is versatile, meet 95kV impact, adapts to 1800 meters and the above High aititude, be applicable under adverse circumstances.
2) the double-bus high-tension switch cabinet of the disclosure possesses two buses, can be with free switching between two buses, can also
To put into operation and cut off simultaneously, two buses can be can use and be kept apart when a bus needs to overhaul with a preparation and a use
Pass transfers a load on another bus, to realize uninterrupted power supply；It breaks down when in the working bus bar operation of switchgear
When, it can be restored electricity rapidly by auxiliary bus-bar.
3) first half of the double-bus high-tension switch cabinet of the disclosure, i.e. breaker chamber part, highly with same voltage class
Single busbar cabinet it is identical, can be general with the single busbar cabinet of same voltage class, save cost.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of disclosure double-bus high-tension switch cabinet；
Fig. 2 is the structural schematic diagram that disclosure double-throw disconnecting switch is connect with operating mechanism；
Fig. 3 is the attachment structure schematic diagram that disclosure double-throw disconnecting switch connect row with bus；
Fig. 4 is the front view of disclosure double-throw disconnecting switch；
Fig. 5 is the occlusion structure schematic diagram of disclosure double-throw disconnecting switch dynamic/static contact；
Fig. 6 is the pressure relief device structure chart of disclosure disconnecting switch room；
In figure: 1, the first bus-bar room pressure release passage；2, the first bus-bar room；3, the second bus-bar room pressure release passage；4, second is female
Line room；5, cable vault's pressure relief device；6, disconnecting switch room；7, disconnecting switch room pressure relief device；8, camera；9, screen monitoring system
System；10, manual and electric integrated operation mechanism；11, radiate pressure relief opening for cable vault；12, cable vault；13, static contact I；14, moving contact
Ⅰ；15, disconnecting switch frame；16, moving contact II；17, connecting lever I；18, hand-electric integrated operation mechanism I；19, one gymnastics of hand-electric
Make mechanism II；20, connecting lever II；21, static contact II；22, operating shaft II；23, operating shaft I；24, connection row；25, bus connection row
Ⅰ；26, bus connection row II；27, breaker connection row；28, inlet wire insulation column I；29, inlet wire insulation column II；30, outlet
Insulation column；31, insulated pull rod I；32, insulated pull rod II；33, contact；34, bolt.
Specific embodiment
The disclosure is described further with specific embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the disclosure, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this public affairs
The relative for opening each component or component structure relationship and determination, not refers in particular to either component or element in the disclosure, cannot understand
For the limitation to the disclosure.
In the disclosure, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection,
It is also possible to be integrally connected or is detachably connected；It can be directly connected, it can also be indirectly connected through an intermediary.For
The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the disclosure as the case may be,
It should not be understood as the limitation to the disclosure.
As background technique is introduced, inventor thinks existing high-tension switch cabinet currently on the market, main wiring mode
For single bus scheme.Compared with double bus scheme mode, reliability and flexibility are poor.It is inevitable when bus-bar fault or maintenance
Ground needs the problem of power failure operation, in order to solve technical problem as above, present applicant proposes a kind of double-bus high-tension switch cabinet,
The switchgear possesses two buses, can also be put into operation and be cut off simultaneously with free switching between two buses, two mothers
Line, when a bus needs to overhaul, can be can use disconnecting switch and transferred a load on another bus with a preparation and a use,
To realize uninterrupted power supply；When breaking down in the operation of the working bus bar of switchgear, can be restored rapidly by auxiliary bus-bar
Power supply.
As shown in Figure 1, a kind of double-bus high-tension switch cabinet, including cabinet body, the first bus-bar room 2, the are equipped in the cabinet body
Two bus-bar rooms 4 and disconnecting switch room 6 are equipped with the first bus, installation in second bus-bar room 4 in first bus-bar room 2
Have the second bus, double-throw disconnecting switch be installed in the disconnecting switch room 6, first bus and the second bus respectively with it is double
The both ends of head disconnecting switch are connected, and the double end disconnecting switch includes two groups of moving contacts, and moving contact described in every group passes through on the other hand
Electric integral operating mechanism 10 operates, for being connected to or disconnecting corresponding bus circuit.
In certain embodiments, first bus-bar room 2 and the second bus-bar room 4 are symmetrically arranged on 6 upside of disconnecting switch room,
It is isolated between first bus-bar room 2, the second bus-bar room 4 and disconnecting switch room 6 using partition.
As shown in Fig. 2, the double end disconnecting switch includes three isolated locations, each isolated location includes static contact I
13, static contact II 21, moving contact I 14, moving contact II 16, inlet wire insulation column I 28, inlet wire insulation column II 29 and outlet insulation
Pillar 30, the static contact I 13 are fixed on I 28 lower end of inlet wire insulation column, and the static contact II 21 is fixed on inlet wire insulation branch
II 29 lower end of column, the outlet insulation column 30 is set between inlet wire insulation column I 28 and inlet wire insulation column II 29, described
30 lower end of outlet insulation column and the row of connection 24 are connected, 24 two sides of the connection row respectively with moving contact I 14 and moving contact II 16
One end rotation connection, the inlet wire insulation column I 28, inlet wire insulation column II 29 and 30 upper end of outlet insulation column be isolated
Switch framework 15 is fixedly connected.
The isolated location is uniformly fixed on disconnecting switch frame 15, and the disconnecting switch frame 15 is fixed on isolation
On 6 top partition of switch gear room.
As in Figure 2-4, the disconnecting switch frame 15 is equipped with operating shaft I 23 and operating shaft II 22, the operating shaft I
23 are connected by connecting lever I 17 with hand-electric integrated operation mechanism I 18, and the operating shaft II 22 passes through connecting lever II 20 and hand-electric one
Body operating mechanism II 19 is connected, and the operating shaft I 23 is connect by insulated pull rod I 31 with moving contact I 14, the operating shaft II 22
It is connect by insulated pull rod II 32 with moving contact II 16.
The moving contact I 14 and moving contact II 16 include two contacts 33, and described two contacts, 33 one end passes through 34 He of bolt
Spring is fixedly connected, and the other end is rotatablely connected by bolt with the row of connection 24, and certain gap is equipped between two contact 33.Such as figure
Shown in 5, when disconnecting switch is closed a floodgate, two moving contact contacts 33 are closely interlocked with static contact.
As shown in figure 3, the static contact I 13 is connected by bus connection row I 25 with the first bus, static contact II 21 passes through
Bus connection row II 26 is connected with the second bus, and the connection row 24 connect row 27 with breaker and is connected.
In specific implementation, it can also put into operation and cut off simultaneously with free switching between two buses；Two buses can be with
A preparation and a use can use double-throw disconnecting switch and transfer a load on another bus when a bus needs to overhaul, to realize
Uninterrupted power supply；When breaking down in the operation of the working bus bar of switchgear, can be restored electricity rapidly by auxiliary bus-bar.
The double-throw disconnecting switch can both be manually operated, can also be with electric operating.
As shown in Figure 1, being equipped with video brainpower watch and control device in the switchgear, the video brainpower watch and control device includes taking the photograph
The case where picture head 8 and screen monitoring system 9, the camera 8 is used for the isolation fracture by double-throw disconnecting switch, is uploaded in real time
Screen monitoring system 9, achievees the purpose that real-time monitoring double-bus isolation fracture, and camera 8 can charged for replacement at any time.
In certain embodiments, the video brainpower watch and control device is mountable on switch cabinet rear panel, the camera shooting
First 8 can be the camera with night vision function.
Each compartment design has corresponding pressure release passage or pressure relief device, to meet the needs of internal arcing.
Specifically, 6 lower end of disconnecting switch room is equipped with pressure relief device 7, as shown in fig. 6, letting out when the pressure relief device pressure release
Pressing plate is opened, and electric arc enters cable vault's pressure release passage discharge cabinet top.
First bus-bar room 2 and 4 upper end of the second bus-bar room are equipped with the pressure release passage 1 and 3 being connected to outside.
Breaker is also equipped in the switchgear, the double-throw disconnecting switch passes through electric interlocking installation and breaker phase
Even, the setting can effectively prevent maloperation of the double-throw disconnecting switch when breaker is in closing position.
Cable vault 12 is additionally provided in the switchgear, cable vault's sealing plate also is provided with pressure release under the premise of proof strength
Device 5 or pressure relieving cooling device 11, are specifically shown in Fig. 1.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (10)
1. a kind of double-bus high-tension switch cabinet, it is characterised in that: including cabinet body, the first bus-bar room, second are equipped in the cabinet body
Bus-bar room and disconnecting switch room are equipped with the first bus in first bus-bar room, are equipped with second in second bus-bar room
Bus, the disconnecting switch indoor location have double-throw disconnecting switch, and first bus and the second bus are isolated with double end respectively
The both ends of switch are connected, and the double end disconnecting switch includes two groups of moving contacts, and moving contact described in every group passes through a hand-electric one
Body operating mechanism operation, for being connected to or disconnecting corresponding bus circuit.
2. a kind of double-bus high-tension switch cabinet as described in claim 1, which is characterized in that the double end disconnecting switch includes three
A isolated location, each isolated location include static contact I, static contact II, moving contact I, moving contact II, inlet wire insulation column I,
Inlet wire insulation column II and outlet insulation column, the static contact I are fixed on I lower end of inlet wire insulation column, the static contact II
It is fixed on II lower end of inlet wire insulation column, the outlet insulation column is set to inlet wire insulation column I and inlet wire insulation column II
Between, outlet insulation column lower end and the row of connection are connected, connection row two sides respectively with moving contact I and moving contact II
One end rotation connection, the inlet wire insulation column I, inlet wire insulation column II and outlet insulation column upper end and disconnecting switch frame
It is fixedly connected.
3. a kind of double-bus high-tension switch cabinet as claimed in claim 2, which is characterized in that the isolated location is uniformly fixed
In on disconnecting switch frame, the disconnecting switch frame is fixed on disconnecting switch ceiling endplate.
4. a kind of double-bus high-tension switch cabinet as claimed in claim 2, which is characterized in that the disconnecting switch frame is equipped with
Operating shaft I and operating shaft II, the operating shaft I are connected by connecting lever I with hand-electric integrated operation mechanism I, the operating shaft II
It is connected by connecting lever II with hand-electric integrated operation mechanism II.
5. a kind of double-bus high-tension switch cabinet as claimed in claim 4, which is characterized in that the operating shaft I is drawn by insulation
Bar I is connect with moving contact I, and the operating shaft II is connect by insulated pull rod II with moving contact II.
6. a kind of double-bus high-tension switch cabinet as described in claim 1, which is characterized in that be equipped with video intelligence in the switchgear
Energy monitoring device, the video brainpower watch and control device include camera and screen monitoring system, and the camera is used for double-throw
The case where isolation fracture of disconnecting switch, is uploaded to screen monitoring system in real time.
7. a kind of double-bus high-tension switch cabinet as claimed in claim 6, which is characterized in that the camera is with night vision function
The camera of energy.
8. a kind of double-bus high-tension switch cabinet as described in claim 1, which is characterized in that disconnecting switch room lower end is equipped with
Pressure relief device, first bus-bar room and the second bus-bar room upper end are equipped with the pressure release passage being connected to outside.
9. a kind of double-bus high-tension switch cabinet as described in claim 1, which is characterized in that be also equipped in the switchgear disconnected
Road device, the double-throw disconnecting switch are connected by electric interlocking installation with breaker.
10. a kind of double-bus high-tension switch cabinet as described in claim 1, which is characterized in that be additionally provided with electricity in the switchgear
Cable room is equipped with pressure relief device or pressure relieving cooling device in the cable vault.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291456.2A CN109286140A (en) | 2018-10-31 | 2018-10-31 | A kind of double-bus high-tension switch cabinet |
| ZA2019/04255A ZA201904255B (en) | 2018-10-31 | 2019-06-28 | Double-busbar high voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811291456.2A CN109286140A (en) | 2018-10-31 | 2018-10-31 | A kind of double-bus high-tension switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109286140A true CN109286140A (en) | 2019-01-29 |
Family
ID=65174283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811291456.2A Pending CN109286140A (en) | 2018-10-31 | 2018-10-31 | A kind of double-bus high-tension switch cabinet |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109286140A (en) |
| ZA (1) | ZA201904255B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620346A (en) * | 2019-10-30 | 2019-12-27 | 广东北江开关厂有限公司 | High-voltage switch cabinet structure |
| CN112736661A (en) * | 2020-12-25 | 2021-04-30 | 青岛益和电气集团股份有限公司 | High-voltage switch cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202633147U (en) * | 2012-05-17 | 2012-12-26 | 浙江纪元高压电器开关有限公司 | Interlocking device for double-throw disconnecting switch |
| CN206864351U (en) * | 2017-06-26 | 2018-01-09 | 广州白云电器设备股份有限公司 | A kind of power supply entering line cabinet with double-throw disconnecting switch |
| WO2018090548A1 (en) * | 2016-11-17 | 2018-05-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolated switch module |
| CN108649475A (en) * | 2018-05-31 | 2018-10-12 | 益和电气集团股份有限公司 | A kind of double-bus switch cabinet |
| CN208939368U (en) * | 2018-10-31 | 2019-06-04 | 益和电气集团股份有限公司 | A kind of double-bus high-tension switch cabinet |
-
2018
- 2018-10-31 CN CN201811291456.2A patent/CN109286140A/en active Pending
-
2019
- 2019-06-28 ZA ZA2019/04255A patent/ZA201904255B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202633147U (en) * | 2012-05-17 | 2012-12-26 | 浙江纪元高压电器开关有限公司 | Interlocking device for double-throw disconnecting switch |
| WO2018090548A1 (en) * | 2016-11-17 | 2018-05-24 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolated switch module |
| CN206864351U (en) * | 2017-06-26 | 2018-01-09 | 广州白云电器设备股份有限公司 | A kind of power supply entering line cabinet with double-throw disconnecting switch |
| CN108649475A (en) * | 2018-05-31 | 2018-10-12 | 益和电气集团股份有限公司 | A kind of double-bus switch cabinet |
| CN208939368U (en) * | 2018-10-31 | 2019-06-04 | 益和电气集团股份有限公司 | A kind of double-bus high-tension switch cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620346A (en) * | 2019-10-30 | 2019-12-27 | 广东北江开关厂有限公司 | High-voltage switch cabinet structure |
| CN112736661A (en) * | 2020-12-25 | 2021-04-30 | 青岛益和电气集团股份有限公司 | High-voltage switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201904255B (en) | 2021-10-27 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 266510 No. 717 West Huaihe Road, Huangdao District, Shandong, Qingdao Applicant after: Qingdao Yihe Electric Group Co., Ltd Address before: 266510 No. 717 West Huaihe Road, Huangdao District, Shandong, Qingdao Applicant before: Yihe Electric Group Co., Ltd. |
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| CB02 | Change of applicant information |