CN208046078U - A kind of American cubic reinforced cased substation - Google Patents
A kind of American cubic reinforced cased substation Download PDFInfo
- Publication number
- CN208046078U CN208046078U CN201820605848.0U CN201820605848U CN208046078U CN 208046078 U CN208046078 U CN 208046078U CN 201820605848 U CN201820605848 U CN 201820605848U CN 208046078 U CN208046078 U CN 208046078U
- Authority
- CN
- China
- Prior art keywords
- transformer
- main cabinet
- room
- american
- cabinet
- 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.)
- Active
Links
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model is related to technical field of electric equipment, especially a kind of American cubic reinforced cased substation, including main cabinet, main cabinet top are fixedly connected with top blind flange, and top blind flange upper end is welded with hanging ring.The American cubic reinforced cased substation of one kind of the utility model passes through before transformer room inside, rear end is utilized respectively cooling fin and forms a heat dissipation region, so that heat dissipation region is located inside main cabinet, and there is the protective door of heat emission hole on external aperture position setting surface, greatly promote the safety of transformer and cooling fin, the fastness of transformer room is greatly promoted using transformer reinforcement block simultaneously, and the hanging ring for facilitating lifting is installed at the top of main cabinet, utilize optimization internal structure, so that main cabinet interior layout is more symmetrical, the stability of lifting is greatly enhanced.
Description
Technical field
The utility model is related to technical field of electric equipment, especially a kind of American cubic reinforced cased substation.
Background technology
American Unit Substation is safe and reliable to operation, easy to operate, non-maintaining using all insulation, all-sealed structure.It is widely used in
The places such as residential quarters, high industry center, industrial enterprise, airport, station, school.American Unit Substation babinet mainly by pedestal, partition board,
The part such as side plate, door and head cover forms.Box house is divided into hyperbaric chamber, transformer room, transformer heat dissipation chamber, low-pressure chamber and metering
Room.Hyperbaric chamber uses terminal type on-load switch, looped network type load to open using reliable compact design, high-tension switch gear is improved
Close etc., there is comprehensive anti-misoperation chain function, stability is reliable, and maintenance is convenient, and on high-tension side high-tension cable elbow head uses
Elbow formula connection-peg, can be with the connection of very convenient high pressure inlet wire cable, and can in case of emergency be used as on-load switch, i.e.,
Plug can be charged.Transformer room can installed capacity be 1600kVA hereinafter, the oil-immersed transformer that voltage is 12/0.4kV, transformation
Shell, cooling fin and the babinet of device combine together, high voltage load switch, fuse etc. whole elements all with transformer core, around
Group is placed in same fuel tank, has greatly saved volume.Transformer heat dissipation chamber is equipped with cooling fin and insect prevention catch net, transformer
The protective door of heat dissipation chamber is equipped with heat emission hole.Low-pressure chamber is equipped with the standard schemes such as distribution, reactive-load compensation, can need to set according to client
Secondary circuit is counted, low-pressure chamber is equipped with headlamp, has dust-proof, anti-condensation measure.Electrical energy measurement can do high pressure in high-pressure side
Metering, can also do low-temperature measurement in low-pressure side, this is mainly determined according to the requirement of local power department.
The steel plate that American Unit Substation babinet uses should have enough mechanical strengths for thickening type, not occur in transport, installation
Deformation, case becomes whole, and there is sun-proof, rain-proof, antirust, anti-toy the measures such as to enter.The radiating fin of transformer of common American Unit Substation
It is at the rear portion of entire babinet, sees that cooling fin is protruded from rear portion from whole, is easy to strike in transport and installation process scattered
Backing, and in the process of running as other reasons and be knocked, lead to transformer room's oil leak, box house is laid out not
It is very symmetrical, the bad determination of center of gravity during lifting, it is easy to lifting accident occur.
Utility model content
The technical problems to be solved in the utility model is：In order to solve the problems, such as above-mentioned background technology, one is provided
The improved American cubic reinforced cased substation of kind, the radiating fin of transformer for solving current American Unit Substation are at entire case
The rear portion of body sees that cooling fin is protruded from rear portion from whole, is transporting and is being easy to strike cooling fin in installation process, and is running
During as other reasons and be knocked, lead to transformer room's oil leak, box house layout is not very symmetrical, is being hung
The bad determination of center of gravity during dress, it is easy to the problem of lifting accident occur.
Technical solution adopted by the utility model to solve its technical problems is：A kind of American cubic reinforced cased power transformation
It stands, including main cabinet, is fixedly connected with top blind flange at the top of the main cabinet, the top blind flange upper end is welded with
Hanging ring, the top blind flange front side offer front side opening, and the face side aperture position passes through longitudinal hinge
It is connected with measuring room door, the side opening of built-in double-open type cabinet door is offered on the main cabinet arranged on left and right sides face,
The main cabinet bottom is welded with reinforcing soleplate, and the main cabinet upper surface apex angle and top blind flange link position are solid
Surely it is connected with reinforcing link block, the main cabinet front is located at interlude and offers front main opening, and the front master opens
Mouth side hinge connection has transformer heat dissipation protective door, and multiple outsides are offered with anti-on transformer heat dissipation protective door
The bar radiating hole of water cover, the corresponding front main opening position in main cabinet inside are equipped with for installing transformer and accordingly matching
The transformer room of part, the transformer room, which is internally located at transformer front and back ends and is fixedly connected by welding, cooling fin, institute
The transformer room stated by the cooling fin of transformer front and back ends be separated into preposition heat dissipation chamber, postposition radiate chamber and in set peace
Chamber is isolated in charge of oil, and transformer room inside apex angle upper and lower end, which is welded and fixed, is useful for being promoted inside transformer installation
The transformer reinforcement block of stability.
Further, the main cabinet, which is internally located on the left of transformer room, is equipped with hyperbaric chamber, high pressure measurement room and detection
Channel, the main cabinet, which is internally located on the right side of transformer room, is equipped with low-pressure chamber, and the hyperbaric chamber bottom surface offers high-voltage electricity
Cable entrance hole, the sense channel inner bottom surface offer cable in stock entrance hole, are fixedly connected with inside the low-pressure chamber
Low-voltage distribution cabinet and reactive power compensation device, the low-pressure chamber inner bottom surface offer low-voltage cable outlet hole.
Further, the diaphragm internal between the transformer room and hyperbaric chamber is fixedly connected with high pressure inlet wire cable elbow
Head, the diaphragm internal between the transformer room and low-voltage distribution cabinet are fixedly connected with four line outlet joint of low pressure.
Further, it is fixedly connected on the measuring room door, double-open type cabinet door and transformer heat dissipation protective door useful
In the mechanical key lock for promoting safety.
Further, the reinforcing soleplate lateral surface both ends offer round fabrication hole.
Further, the main cabinet inner bottom surface is located at corner position and offers cabinet location hole.
The utility model has the beneficial effects that the American cubic reinforced cased substation of one kind of the utility model by
Front and back ends are utilized respectively cooling fin and form a heat dissipation region inside transformer room so that and heat dissipation region is located inside main cabinet,
And there is the protective door of heat emission hole on external aperture position setting surface, greatly promote the safety of transformer and radiator,
The fastness of transformer room is greatly promoted using transformer reinforcement block simultaneously, and is equipped at the top of main cabinet and is facilitated lifting
Hanging ring utilizes optimization internal structure so that main cabinet interior layout is more symmetrical, and the stability of lifting is greatly enhanced.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the left view of the utility model.
Fig. 2 is the front view of the utility model.
Fig. 3 is the internal structure formula schematic diagram of the utility model.
Fig. 4 is the circuit connection diagram of the utility model.
In figure:1. top blind flange, 2. hanging rings, 3. measuring room doors, 4. measuring room door locks, 5. double-open type cabinet doors, 6. fabrication holes,
7. double-open type cabinet door lock, 8. reinforcing soleplates, 9. reinforce link block, 10. main cabinets, 11. transformers heat dissipation protective door, 12. transformations
Device heat emission hole, 13. transformers heat dissipation protection door lock, 14. transformer reinforcement blocks, 15. transformer location holes, 16. low-voltage cables
Outlet hole, 17. cabinet location holes, 18. reactive power compensation devices, 19. low pressure, four line outlet joint, 20. radiating fin of transformer,
21. high pressure inlet wire cable elbow head, 22. high pressure measurement rooms, 23. hyperbaric chambers, 24. high-tension cable entrance holes, 25. transformer rooms, 26.
Cable in stock entrance hole, 27. access paths, 28. low-voltage distribution cabinets.
Specific implementation mode
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Fig. 1, Fig. 2 and the American cubic reinforced cased substation of one kind shown in Fig. 3, including main cabinet 10, main cabinet 10
Top is fixedly connected with top blind flange 1, and 1 upper end of top blind flange is welded with hanging ring 2, and the positive side of top blind flange 1 offers
Front side opening, face side aperture position are connected with measuring room door 3,10 arranged on left and right sides face of main cabinet by longitudinal articulate
On offer the side opening of built-in double-open type cabinet door 5,10 bottom of main cabinet is welded with reinforcing soleplate 8, main cabinet 10
Upper surface apex angle and 1 link position of top blind flange are fixedly connected with reinforcing link block, and main cabinet front is offered positioned at interlude
Front main opening, front main opening side hinge connection have transformer heat dissipation protective door 11, are opened on transformer heat dissipation protective door 11
There is the bar radiating hole 12 of waterproof cover, the corresponding front main opening position in 10 inside of main cabinet are equipped with equipped with multiple outsides for pacifying
The transformer room 25 of transformer is filled, transformer room 25, which is internally located at transformer front and back ends and is fixedly connected by welding, heat dissipation
Piece 20, transformer room 25 by the cooling fin 20 of transformer front and back ends be separated into preposition heat dissipation chamber, postposition radiate chamber and in
Installation oil isolation chamber is set, 25 inside apex angle upper and lower end of transformer room, which is welded and fixed, is useful for being promoted inside transformer installation
The transformer reinforcement block 14 of stability offers transformer location hole 15 on cooling fin 20.
Further, main cabinet 10 is internally located at 25 left side of transformer room and is equipped with hyperbaric chamber 23, high pressure measurement room 22 and inspection
Channel 27 is surveyed, main cabinet 10 is internally located at 25 right side of transformer room and is equipped with low-pressure chamber, and 23 bottom surface of hyperbaric chamber offers high-tension cable
Entrance hole 24,27 inner bottom surface of sense channel offer cable in stock entrance hole 26, low-voltage distribution are fixedly connected with inside low-pressure chamber
Cabinet 28 and reactive power compensation device 18, low-pressure chamber inner bottom surface offer low-voltage cable outlet hole 16.
Further, the diaphragm internal between transformer room 25 and hyperbaric chamber 23 is fixedly connected with high pressure inlet wire cable elbow head
21, the diaphragm internal between transformer room 25 and low-voltage distribution cabinet 28 is fixedly connected with four line outlet joint 19 of low pressure.
Further, it is fixedly connected with and is useful on measuring room door 3, double-open type cabinet door 5 and transformer heat dissipation protective door 11
The mechanical key lock for being safely is promoted, is measuring room door lock 4 wherein on measuring room door 3, is double-open type cabinet in double-open type cabinet door 5
Door lock 7, transformer heat dissipation protective door 11 on be transformer heat dissipation protection door lock 13.
Further, 8 lateral surface both ends of reinforcing soleplate offer fabrication hole 6.
Further, 10 inner bottom surface of main cabinet is located at corner position and offers cabinet location hole 17.
The utility model has the beneficial effects that the American cubic reinforced cased substation of one kind of the utility model by
25 inside front and back ends of transformer are utilized respectively cooling fin 20 and form a heat dissipation region so that heat dissipation region is located at main cabinet 10
Inside, and there is the protective door of heat emission hole 12 on external aperture position setting surface, greatly promote transformer and radiator
Safety, while the fastness of transformer room 25 is greatly promoted using transformer reinforcement block 14, and in 10 top peace of main cabinet
Equipped with the hanging ring 2 for facilitating lifting, optimization internal structure is utilized so that 10 interior layout of main cabinet is more symmetrical, the stabilization of lifting
Property is greatly enhanced.
In Fig. 1 embodiments, the top of body side is equipped with top blind flange 1, sets that there are four hang in the centre of top blind flange 1
Ring 2 can easily be got on or off the bus and be installed when babinet is loaded and unloaded with tangling four hanging rings 2, and two are equipped in the side of babinet
A measuring room door 3 is furnished with measuring room door lock 4 on measuring room door 3, and measuring room door lock 4 is opened when to check or count electricity consumption
It can operate, former and later two double-open type cabinet doors 5 are respectively the protection door in hyperbaric chamber and low-pressure chamber, and dimensions is consistent, uses steel
Plate is made, and has double-open type cabinet door lock 7 in double-open type cabinet door 5, and fabrication hole 6, can be square designed for being agitated during the installation process with hole
Just box location is finely tuned, reinforcing soleplate 8 is to thicken steel plate, reinforces link block 9 and top blind flange 1 and lower part box are connected to one
It rises.
In Fig. 2 embodiments, main cabinet 10 is made of thickening steel plate, and there is plastic-spraying protection on surface, mostly uses green molding powder greatly
Plastic-spraying, transformer heat dissipation protective door 11 mainly protects the cooling fin of transformer not to be destroyed, and aesthetics is splendid, is dissipated in transformer
Thermal protection door 11 is equipped with multiple transformer heat emission holes 12, to which the cooling fin for improving old-fashioned American transformer substation transformer is naked
It the problems such as revealing, expose to wind and rain, being easily knocked, can be to transformer heat dissipation chamber by opening transformer heat dissipation protection door lock 13
It is cleared up and is safeguarded.
In Fig. 3 embodiments, transformer reinforcement block 14 primarily serves the structural strengthening to transformer room 25, due to transformer
Than heavier, steel plate and skeleton herein are required to reinforce for room, are just unlikely to deform in lifting, transformer fabrication hole 15 is mainly used for
It is positioned when making transformer room 25, mobile use, there are two radiating fin of transformer 20 for setting before and after transformer room 25, become
Insulating oil is full of in depressor room 25, the respective accessories such as high voltage load switch, fuse are all placed on transformation with transformer core, winding
In device room 25, radiating fin of transformer 20 and transformer room 25 are welded into one, and the left side of transformer room 25 is 23 He of hyperbaric chamber
Access path 27, high-tension cable enter hyperbaric chamber 23 by high-tension cable entrance hole 24, then by the elbow of three-phase high-voltage cable
Head is connected with the high-tension cable inlet wire elbow head 21 on 25 side wall of transformer room, the cable in stock entrance hole 26 on access path 27
Other cables enter or pick out when being mainly used for maintenance.It is equipped with low-voltage distribution cabinet 28 and reactive power on the right side of transformer room 25
Compensation device 18, when high pressure is connected to low-voltage distribution with copper bar after transformer becomes low pressure by four line outlet joint 19 of low pressure
On cabinet 28 and reactive power compensation device 18, the load of 28 roads Shang Mei of low-voltage distribution cabinet is parallel on low-pressure line-outgoing copper bar, nothing
Reactive power compensation device 18 is also parallel on low-pressure line-outgoing copper bar.
In Fig. 4 embodiments, high-voltage combined mutual inductor JLS is placed at hyperbaric chamber 23, high-tension cable is mutual by this
Then sensor is linked into high pressure measurement room 22 for metering, then high-tension cable is connected on JP1 elbow heads, i.e. high pressure inlet wire cable
Elbow head 21, high voltage isolator QL11, fuse FU11, FU12, transformer Y1 is all positioned in transformer room 25, by insulating oil
Insulation blocking is impregnated, the capacity of transformer is selected according to customer demand, and the four line outlet of low pressure come out from transformer room 25 connects
It is public zero curve all the way in first 19, in addition three tunnels are respectively A, B, C three-phase firewire, and N represents public zero curve in figure, with four copper bars
It is coupled on four line outlet joint 19 of low pressure, is connected on main breaker QF21 by arrester F21, when total electricity consumption electric current exceeds
When main breaker QF21 maximum values, main breaker QF21 trippings, the outlet copper bar of main breaker QF21 passes through three-phase mutual inductor
TA22 is coupled on point breaker QF22, and the electric signal on three-phase mutual inductor TA22 shows that voltmeter V is straight for ammeter A
It is connected on three-phase copper bar, divides breaker QF22 according to the demand of client come installation number and capacity, general capacity summation is not answered
More than the capacity of main breaker QF21, single channel mutual inductor TA23 is installed on the lower section outlet copper bar for dividing breaker QF22, supplies
Per road ammeter, instruction is used, and per road, load is connected in parallel on low-pressure line-outgoing copper bar, circuit breaker Q FS21, mutual inductor TA24, miniature disconnected
Road device QF11, arrester F22, switching capacitor contactor QF12, compensation capacitor C constitute reactive power compensation device, to
Reactive power in circuit compensates.
By the improvement to transformer room's positional structure, the cooling fin in transformer room is set to be protected very well, and by old
The isosceles triangle American Unit Substation of formula is changed into the reinforced American Unit Substation in transformer four directions, overcomes previous radiating fin of transformer and is easy quilt
The shortcomings that hitting and leading to oil leak, and integrated beauty degree of changing the appearance is improved, it is more conducive to lifting and installation.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to which its technology is determined according to right
Property range.
Claims (6)
1. a kind of American cubic reinforced cased substation, including main cabinet (10), it is characterized in that：Main cabinet (10) top
Portion is fixedly connected with top blind flange (1), and the top blind flange (1) upper end is welded with hanging ring (2), the top blind flange
(1) positive side offers front side opening, and the face side aperture position is connected with measuring room by longitudinal articulate
Door (3) offers the side opening of built-in double-open type cabinet door (5) on the main cabinet (10) arranged on left and right sides face, described
Main cabinet (10) bottom is welded with reinforcing soleplate (8), and the main cabinet (10) upper surface apex angle and top blind flange (1) are even
It connecing position and is fixedly connected with reinforcing link block (9), the main cabinet (10) front offers front main opening positioned at interlude,
The front main opening side hinge connection has transformer heat dissipation protective door (11), transformer heat dissipation protective door (11)
On offer multiple outsides there is the bar radiating hole (12) of waterproof cover, corresponding front main opening inside the main cabinet (10)
Position is equipped with the transformer room (25) for installing transformer and respective accessory, and the transformer room (25) are internally located at transformation
Device front and back ends, which are fixedly connected by welding, cooling fin (20), and the transformer room (25) pass through transformer front and back ends
Cooling fin (20) be separated into preposition heat dissipation chamber, postposition heat dissipation chamber and in set installation oil isolation chamber, the transformer room
(25) inside apex angle upper and lower end is welded and fixed the transformer reinforcement block for being useful for promoting inside transformer mounting stability
(14)。
2. the American cubic reinforced cased substation of one kind according to claim 1, it is characterized in that：The main cabinet
(10) it is internally located on the left of transformer room (25) and is equipped with hyperbaric chamber (23), high pressure measurement room (22) and sense channel (27), it is described
Main cabinet (10) be internally located on the right side of transformer room (25) and be equipped with low-pressure chamber, the hyperbaric chamber (23) bottom surface offers high pressure
Long cable section of ingoing line hole (24), the sense channel (27) inner bottom surface offer cable in stock entrance hole (26), the low-pressure chamber
Inside is fixedly connected with low-voltage distribution cabinet (28) and reactive power compensation device (18), and the low-pressure chamber inner bottom surface offers low
Voltage cable outlet hole (16).
3. the American cubic reinforced cased substation of one kind according to claim 1, it is characterized in that：The transformer room
(25) diaphragm internal between hyperbaric chamber (23) is fixedly connected with high pressure inlet wire cable elbow head (21), the transformer room
(25) diaphragm internal between low-voltage distribution cabinet (28) is fixedly connected with four line outlet joint (19) of low pressure.
4. the American cubic reinforced cased substation of one kind according to claim 1, it is characterized in that：The measuring room door
(3), it is fixedly connected with the mechanical key for being useful for promoting safety on double-open type cabinet door (5) and transformer heat dissipation protective door (11)
Lock.
5. the American cubic reinforced cased substation of one kind according to claim 1, it is characterized in that：The reinforcing soleplate
(8) lateral surface both ends offer fabrication hole (6).
6. the American cubic reinforced cased substation of one kind according to claim 1, it is characterized in that：The main cabinet
(10) inner bottom surface is located at corner position and offers cabinet location hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605848.0U CN208046078U (en) | 2018-04-26 | 2018-04-26 | A kind of American cubic reinforced cased substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820605848.0U CN208046078U (en) | 2018-04-26 | 2018-04-26 | A kind of American cubic reinforced cased substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208046078U true CN208046078U (en) | 2018-11-02 |
Family
ID=63928299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820605848.0U Active CN208046078U (en) | 2018-04-26 | 2018-04-26 | A kind of American cubic reinforced cased substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208046078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601034A (en) * | 2019-09-18 | 2019-12-20 | 湖北金顿电气有限公司 | Intelligent prepackage type transformer substation |
| CN111276893A (en) * | 2020-03-05 | 2020-06-12 | 浙江东都电器成套有限公司 | Box-type substation |
-
2018
- 2018-04-26 CN CN201820605848.0U patent/CN208046078U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601034A (en) * | 2019-09-18 | 2019-12-20 | 湖北金顿电气有限公司 | Intelligent prepackage type transformer substation |
| CN111276893A (en) * | 2020-03-05 | 2020-06-12 | 浙江东都电器成套有限公司 | Box-type substation |
| CN111276893B (en) * | 2020-03-05 | 2022-07-01 | 浙江东都电力有限公司 | Box-type substation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208046078U (en) | A kind of American cubic reinforced cased substation | |
| CN202127186U (en) | Semi-embedding prefabricated type substation | |
| CN102738726A (en) | Indoor high-voltage switch cabinet | |
| US6770810B2 (en) | High voltage electrical handling device enclosure | |
| CN103248057A (en) | Intelligent cabinet type reactive power compensation device | |
| CN110336194A (en) | Low-voltage cabinet and miniaturization preassembled transformer station | |
| CN210111403U (en) | Power generation car inserts case | |
| CN207977742U (en) | Boat-carrying high voltage shore power power receiving device | |
| CN104967036B (en) | Integrated intelligent combination transformer station | |
| CN212380841U (en) | 35kV sled dress integral type mobile substation | |
| CN109066714A (en) | A kind of box distribution series compensation device and its working method | |
| CN202737372U (en) | Indoor high voltage switch cabinet | |
| CN207530421U (en) | A kind of indoor armored AC metal closed switch cabinet | |
| CN216144859U (en) | Outdoor high-voltage intelligent prepayment metering box with mutually independent functional compartments | |
| CN206023023U (en) | There is the high-voltage central-positioned switch cubicle of pressure relief device | |
| CN201601406U (en) | Box-type transformer substation | |
| CN108183480A (en) | Boat-carrying high voltage shore power power receiving device | |
| CN212182851U (en) | Metering cabinet | |
| CN210273152U (en) | Low-voltage cabinet and miniaturized prefabricated substation | |
| CN208015202U (en) | A kind of novel skid-mounted type substation | |
| CN108233239A (en) | A kind of high pressure equipment for power transmission and distribution pressure relief system | |
| CN211629710U (en) | Operation and maintenance device for substation equipment | |
| CN207039038U (en) | Miniature integrated transformer substation on a kind of post | |
| CN206220587U (en) | A kind of preassembled transformer station | |
| CN218788315U (en) | Combined transformer oil tank structure with multiple functional compartments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |