CN217388015U - Box-type substation - Google Patents
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- CN217388015U CN217388015U CN202221203792.9U CN202221203792U CN217388015U CN 217388015 U CN217388015 U CN 217388015U CN 202221203792 U CN202221203792 U CN 202221203792U CN 217388015 U CN217388015 U CN 217388015U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a box-type substation, include: the first transformer chamber is used for placing a first transformer; the high-voltage chamber is used for placing the high-voltage incoming cabinet and the high-voltage feeder cabinet; the second transformer chamber is used for placing a second transformer; the low-voltage chamber is used for placing a low-voltage incoming cabinet, a low-voltage compensation cabinet, a low-voltage feeder cabinet and a low-voltage bus coupler cabinet; the first transformer chamber, the high-voltage chamber and the second transformer chamber are arranged in a first direction of the box-type substation; the first transformer chamber, the high-voltage chamber and the second transformer chamber and the low-voltage chamber are arranged in a second direction of the box-type substation; the second direction is perpendicular to the first direction. The box-type substation overall arrangement structure is compact, saves cost, repeatedly utilizes space, and improves space utilization rate.
Description
Technical Field
The utility model belongs to the technical field of the transformer substation, concretely relates to box-type substation.
Background
In recent years, with the increasing demand of electric power, the investment of the nation on the power grid is increased, and particularly in the period of eleven and five, the total investment of national power grid construction reaches 1.2 billion yuan. The investment is mainly on the construction of regional and provincial main lines, key urban power distribution grids and rural power grids. The 10kV voltage class is used as the main high-voltage distribution class of rural power grids and partial urban power grids, and the market demand of the 10kV voltage class is always kept at a higher level. And the conventional transformer substation construction mode has the disadvantages of large field construction amount, large coordination workload and low industrialization degree, so that the transformer substation construction speed is low, and the transformer substation construction method is difficult to adapt to the construction of large-scale transformer substations. Some manufacturers in China have already proposed complete sets of integrated 10kV substations. The product is mainly applied to places such as electric power systems, petroleum systems, mines and the like.
Therefore, the research on the box-type substation meets the requirements of miniaturization and compactness construction and design of the current substation. However, only one transformer is arranged in the existing box-type substation, the design capacity of one transformer is large, and the electric energy required by the initial construction of communities or industrial and mining enterprises is less, so that the early-stage operation cost is higher; meanwhile, the existing box-type substation is generally designed in a delta shape or a mu shape by adopting a transformer, a low-voltage cabinet and a high-voltage cabinet, and the space utilization rate is not high.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects or deficiencies in the prior art, the present invention aims to provide a box-type substation.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
a box substation, comprising: the first transformer chamber is used for placing a first transformer; the high-voltage chamber is used for placing the high-voltage incoming cabinet and the high-voltage feeder cabinet; the second transformer chamber is used for placing a second transformer; the low-voltage chamber is used for placing a low-voltage incoming cabinet, a low-voltage compensation cabinet, a low-voltage feeder cabinet and a low-voltage bus coupler cabinet; the first transformer chamber, the high-voltage chamber and the second transformer chamber are arranged in a first direction of the box-type substation; the first transformer chamber, the high-voltage chamber and the second transformer chamber and the low-voltage chamber are arranged in a second direction of the box-type substation; the second direction is perpendicular to the first direction;
the high-voltage incoming cabinet is connected with an external high-voltage cable, and the high-voltage feeder cabinet is respectively connected with the first transformer and the second transformer; the first transformer and the second transformer are connected with the low-voltage incoming line cabinet, the low-voltage incoming line cabinet is connected with the low-voltage compensation cabinet, the low-voltage compensation cabinet is connected with the low-voltage feeder cabinet, and the low-voltage feeder cabinet is connected with the low-voltage bus coupler cabinet.
According to the technical scheme provided by the embodiment of the application, the low-voltage incoming cabinet comprises a first low-voltage incoming cabinet and a second low-voltage incoming cabinet; the low-voltage compensation cabinet comprises a first low-voltage compensation cabinet and a second low-voltage compensation cabinet; the low-voltage feeder cabinets comprise a first low-voltage feeder cabinet and a second low-voltage feeder cabinet; the wire inlet end of the high-voltage wire inlet cabinet is connected with an external high-voltage cable, and the wire inlet end of the high-voltage wire inlet cabinet is respectively connected with the first transformer and the second transformer; the first transformer is connected with the first low-voltage incoming cabinet, and the second transformer is connected with the second low-voltage incoming cabinet; copper bars are adopted to connect the first low-voltage inlet cabinet and the first low-voltage compensation cabinet, the first low-voltage compensation cabinet and the first low-voltage feeder cabinet, the first low-voltage feeder cabinet and the low-voltage busbar connection cabinet, the low-voltage busbar connection cabinet and the second low-voltage feeder cabinet, the second low-voltage feeder cabinet and the second low-voltage compensation cabinet, and the second low-voltage compensation cabinet and the second low-voltage inlet cabinet.
According to the technical scheme provided by the embodiment of the application, the device further comprises a generator room for placing the generator; the generator room is located at one end of the box-type substation in the first direction, and the generator is connected with the low-voltage incoming cabinet.
According to the technical scheme provided by the embodiment of the application, a metering cabinet is further arranged in the high-voltage chamber, and the high-voltage feeder cabinet, the metering cabinet and the high-voltage incoming line cabinet are arranged along a first direction; the high-voltage feeder cabinet is connected with the metering cabinet by adopting a side expanding sleeve and a copper bar; the metering cabinet is respectively connected with the high-voltage feeder cabinet and the high-voltage incoming line cabinet by adopting a side expanding sleeve and a copper bar.
According to the technical scheme provided by the embodiment of the application, the first transformer is connected with the feeder end of the high-voltage feeder cabinet through a cable, and the first transformer is connected with the first low-voltage inlet cabinet through a copper bar; the second transformer is connected with the other feeder end of the high-voltage feeder cabinet through a cable, and the second transformer is connected with the second low-voltage feeder cabinet through a copper bar.
According to the technical scheme provided by the embodiment of the application, a first transformer chamber door, a high-voltage chamber door and a second transformer chamber door which correspond to a first transformer chamber, a high-voltage chamber and a second transformer chamber are arranged on one side wall of the box-type substation along the second direction; and a low-voltage chamber door corresponding to the low-voltage chamber is arranged on the other side wall of the box-type substation along the second direction.
According to the technical scheme provided by the embodiment of the application, a generator room door corresponding to the generator room is arranged on the side wall of the box-type substation along the first direction.
The utility model discloses following beneficial effect has:
two transformers have been placed to this application, compare with current article font or mesh font design, and overall arrangement structure is compact, adopts a set of high-voltage board, a set of low-voltage board and two transformers to realize replacing two current box-type substation's work with a box-type substation simultaneously, has saved a box-type substation's shell, practices thrift the cost, and reuse space has improved space utilization. And on the basis, two transformers are arranged, compared with the existing transformer, the transformer does not need to be designed with large capacity, and the early-stage operation cost is saved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic top view of a box-type substation according to the present application;
fig. 2 is a schematic front view of a box-type substation according to the present application;
fig. 3 is a rear view schematic structural diagram of the box-type substation according to the present application;
fig. 4 is a schematic side view of a box-type substation according to the present application.
Description of reference numerals:
100. a first variable pressure chamber; 200. a high pressure chamber; 300. a second variable pressure chamber; 400. a low pressure chamber; 500. a first transformation chamber door; 600. a high pressure chamber door; 700. a second transformer room door; 800. a low pressure chamber door; 900. a generator room;
110. a first transformer;
210. a high voltage feeder cabinet; 220. a metering cabinet; 230. a high-voltage incoming cabinet;
310. a second transformer;
410. a first low-voltage incoming cabinet; 420. a first low-voltage compensation cabinet; 430. a first low voltage feeder cabinet; 440. a low-voltage bus coupler cabinet; 450. a second low voltage feeder cabinet; 460. a second low-voltage compensation cabinet; 470. a second low-voltage incoming cabinet;
910. generator chamber door.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", "front", "rear", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally laid out when the disclosed products are used, and are only for convenience of describing and simplifying the present disclosure, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present disclosure, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "butted" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A box substation, comprising: a first transformer room 100 for housing a first transformer 110; the high-voltage chamber 200 is used for placing the high-voltage incoming cabinet 230 and the high-voltage feeder cabinet 210; a second transformer room 300 for housing a second transformer 310; the low-voltage chamber 400 is used for placing a low-voltage incoming cabinet, a low-voltage compensation cabinet, a low-voltage feeder cabinet and a low-voltage bus coupler cabinet 440; the first transformer room 100, the high-voltage room 200 and the second transformer room 300 are arranged in a first direction of the box-type substation; the first transformer room 100, the high voltage room 200, the second transformer room 300 and the low voltage room 400 are arranged in a second direction of the box-type substation; the second direction is perpendicular to the first direction; the high-voltage incoming cabinet 230 is connected with an external high-voltage cable, and the high-voltage feeder cabinet 210 is respectively connected with the first transformer 110 and the second transformer 310; the first transformer 110 and the second transformer 310 are connected to a low voltage inlet cabinet, the low voltage inlet cabinet is connected to a low voltage compensation cabinet, the low voltage compensation cabinet is connected to a low voltage feeder cabinet, and the low voltage feeder cabinet is connected to a low voltage bus coupler cabinet 440.
As shown in fig. 1-4, two transformers are arranged in the transformer substation, compared with the existing delta-shaped or mu-shaped design, the overall arrangement structure is compact, and meanwhile, a set of high-voltage cabinets, a set of low-voltage cabinets and two transformers are adopted to realize the work of replacing two existing box-type substations with one box-type substation, so that the shell of one box-type substation is saved, the cost is saved, the space is recycled, and the space utilization rate is improved. And on the basis, two transformers are arranged, compared with the existing transformer, the transformer does not need to be designed with large capacity, and the early-stage operation cost is saved.
It can be understood that each transformer supplies power to the corresponding low-voltage incoming cabinet, low-voltage compensation cabinet and low-voltage feeder cabinet. Because the low-voltage bus coupler cabinet 440 is designed, when the electric load is small, the low-voltage bus coupler cabinet 440 is closed, and a transformer is adopted for supplying power, so that the basic electric charge is saved; when the power load is large, the low-voltage bus-bar connection cabinet 440 is disconnected, and the two transformers are respectively supplied with power to achieve full-capacity operation. Therefore, the method is particularly suitable for the condition that less electric energy is needed for the initial construction of communities or industrial and mining enterprises, and saves the early operating cost.
In a specific embodiment of the present application, the low voltage inlet cabinet includes a first low voltage inlet cabinet 410 and a second low voltage inlet cabinet 470; the low-voltage compensation cabinet comprises a first low-voltage compensation cabinet 420 and a second low-voltage compensation cabinet 460; the low-voltage feeder cabinets comprise a first low-voltage feeder cabinet 430 and a second low-voltage feeder cabinet 450; the inlet end of the high-voltage inlet cabinet 230 is connected with an external high-voltage cable, and the outlet end of the high-voltage inlet cabinet 210 is connected with the first transformer 110 and the second transformer 310 respectively; the first transformer 110 is connected with a first low-voltage incoming cabinet 410, and the second transformer 310 is connected with a second low-voltage incoming cabinet 470; the first low-voltage inlet cabinet 410 and the first low-voltage compensation cabinet 420, the first low-voltage compensation cabinet 420 and the first low-voltage feeder cabinet 430, the first low-voltage feeder cabinet 430 and the low-voltage bus coupler cabinet 440, the low-voltage bus coupler cabinet 440 and the second low-voltage feeder cabinet 450, the second low-voltage feeder cabinet 450 and the second low-voltage compensation cabinet 460, and the second low-voltage compensation cabinet 460 and the second low-voltage inlet cabinet 470 are all connected by copper bars.
It is understood that the external cable enters from the inlet end of the high voltage inlet cabinet 230 and exits from the feeder end of the high voltage feeder cabinet 210, and the feeder end of the high voltage feeder cabinet 210 has two paths.
The low-voltage bus coupler cabinet 440 plays a role of a partition switch, two transformers are controlled to work respectively through the arrangement of the distribution control bus coupler cabinet, and power supply can be controlled respectively according to actual conditions through integral sub-control. Specifically, as shown in fig. 1, when the electrical load is small, the low-voltage buscouple cabinet 440 is closed, and the first transformer 110 supplies power to the first low-voltage incoming line cabinet 410, the first low-voltage compensation cabinet 420, and the first low-voltage feeder cabinet 430, so that the basic electricity charge is saved; when the power load is large, the low-voltage buscouple cabinet 440 is disconnected, the first transformer 110 supplies power to the first low-voltage incoming line cabinet 410, the first low-voltage compensation cabinet 420 and the first low-voltage feeder cabinet 430, and the second transformer supplies power to the second low-voltage incoming line cabinet 470, the second low-voltage compensation cabinet 460 and the second low-voltage feeder cabinet 450, so that full-capacity operation is achieved.
As shown in fig. 1, a first low-voltage incoming cabinet 410, a first low-voltage compensation cabinet 420, a first low-voltage feeder cabinet 430, a low-voltage bus coupler cabinet 440, a second low-voltage feeder cabinet 450, a second low-voltage compensation cabinet 460, and a second low-voltage incoming cabinet 470 are sequentially arranged in a first direction in a low-voltage chamber 400, so that connection, control, and maintenance work among the cabinets is facilitated. Meanwhile, compared with a cable, the copper bar connection mode reduces cost.
In a specific embodiment of the present application, the power generator further comprises a generator room 900 for placing a generator; the generator room 900 is located at one end of the box-type substation in the first direction, and the generator is connected with the low-voltage incoming line cabinet.
Specifically, as shown in fig. 1, the generator is connected to a first low voltage inlet cabinet 410 and a second low voltage inlet cabinet 470, respectively.
The existing box-type substation is not provided with a generator set, cannot supply power in time during power failure and is not flexible enough. And the generator room 900 that the box-type substation of this application set up and install the generator, and when the condition of taking place the outage suddenly, the generator is automatic to be opened, replaces outside cable power supply. Therefore, the box-type substation has the function of automatic cut-in when the generator is powered off, and the cut-in of the external line disconnection generator does not influence the power utilization of users.
In an embodiment of the present application, a metering cabinet 220 is further disposed in the high voltage chamber 200, and the high voltage feeder cabinet 210, the metering cabinet 220, and the high voltage incoming cabinet 230 are arranged along a first direction; the metering cabinet 220 is connected with the high-voltage feeder cabinet 210 and the high-voltage incoming line cabinet 230 respectively by adopting a side expanding sleeve and a copper bar.
The existing box-type substation adopts a high-supply low-metering mode, so that the loss of the transformer is not metered. The metering cabinet 220 is connected with the high-voltage incoming line cabinet 230 and the high-voltage feeder line cabinet 210, the mode of high-voltage supply and high-voltage metering is adopted, loss of the transformer can be metered, and metering is more accurate.
Meanwhile, the live elements of the metering cabinet 220 are completely sealed inside the mutual inductor, and no personnel safety risk exists.
Adopt the side to expand the connected mode of sleeve pipe with the copper bar, when guaranteeing to be insulating, compare with directly adopting cable junction, further reduce cost.
The high voltage feeder cabinet 210, the metering cabinet 220 and the high voltage inlet cabinet 230 are arranged along a first direction, so that the connection and maintenance work of the high voltage feeder cabinet, the metering cabinet and the high voltage inlet cabinet are convenient.
In a specific embodiment of the present application, the first transformer 110 is connected to a feeder end of the high voltage feeder cabinet 210 through a cable, and the first transformer 110 is connected to the first low voltage feeder cabinet 410 through a copper bar; the second transformer is connected with the other feeder end of the high-voltage feeder cabinet 210 through a cable; the second transformer is connected with a second low-voltage incoming line cabinet 470 through a copper bar.
Specifically, the cable plays an insulating role, and the safety in the construction and use process is ensured; the cost is reduced by the connecting mode of the copper bars.
As shown in fig. 1, it can be understood that the A, B, C terminal of the first transformer 110 is connected to the feeder terminal of the high voltage feeder cabinet 210, and the 0, a, b, c terminals of the first transformer 110 are connected to the first low voltage feeder cabinet 410; the A, B, C end of the second transformer is connected with the feeder end of the high-voltage feeder cabinet 210, and the 0, a, b, c ends of the second transformer are connected with the second low-voltage feeder cabinet 470.
In a specific embodiment of the present application, a first transformer 110 chamber door 500, a high-voltage chamber door 600, and a second transformer chamber door 700 corresponding to the first transformer chamber 100, the high-voltage chamber 200, and the second transformer chamber 300 are disposed on one sidewall of the box-type substation along the second direction; and a low-voltage chamber door 800 corresponding to the low-voltage chamber 400 is arranged on the other side wall of the box-type substation along the second direction.
Specifically, as shown in fig. 2 and 3, the first transformer room 100, the high voltage room 200, the second transformer room 300, and the low voltage room 400 are arranged in a compact structure, and meanwhile, the doors corresponding to the four transformer rooms are also arranged on the corresponding side walls of the box-type substation, so that the control, maintenance, and overhaul work of the box-type substation is facilitated.
In a specific embodiment of the present application, a generator room door 910 corresponding to the generator room 900 is disposed on a side wall of the box-type substation along the first direction.
Specifically, as shown in fig. 4, the generator chamber door 910 is located on an outer sidewall of the box-type substation corresponding to the generator chamber 900, which facilitates installation and maintenance work of the generator.
The above description is only a preferred embodiment of the invention and is intended to illustrate the technical principles applied. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features and (but not limited to) technical features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (7)
1. A box substation, comprising:
a first transformer chamber (100) for housing a first transformer (110);
the high-voltage chamber (200) is used for placing the high-voltage incoming line cabinet (230) and the high-voltage feeder line cabinet (210);
a second transformer chamber (300) for housing a second transformer (310);
the low-voltage chamber (400) is used for placing a low-voltage incoming cabinet, a low-voltage compensation cabinet, a low-voltage feeder cabinet and a low-voltage bus coupler cabinet (440); wherein, the first and the second end of the pipe are connected with each other,
the first transformer chamber (100), the high-voltage chamber (200) and the second transformer chamber (300) are arranged in a first direction of the box-type substation; the first transformer chamber (100), the high-voltage chamber (200) and the second transformer chamber (300) and the low-voltage chamber (400) are arranged in a second direction of the box-type substation; the second direction is perpendicular to the first direction;
the high-voltage incoming cabinet (230) is connected with an external high-voltage cable, and the high-voltage feeder cabinet (210) is respectively connected with the first transformer (110) and the second transformer (310); the first transformer (110) and the second transformer (310) are connected with a low-voltage inlet cabinet, the low-voltage inlet cabinet is connected with a low-voltage compensation cabinet, the low-voltage compensation cabinet is connected with a low-voltage feeder cabinet, and the low-voltage feeder cabinet is connected with a low-voltage busbar cabinet (440).
2. A box substation according to claim 1,
the low-voltage incoming cabinet comprises a first low-voltage incoming cabinet (410) and a second low-voltage incoming cabinet (470); the low-voltage compensation cabinet comprises a first low-voltage compensation cabinet (420) and a second low-voltage compensation cabinet (460); the low-voltage feeder cabinets comprise a first low-voltage feeder cabinet (430) and a second low-voltage feeder cabinet (450);
the incoming line end of the high-voltage incoming line cabinet (230) is connected with an external high-voltage cable, and the feeder line end of the high-voltage feeder line cabinet (210) is respectively connected with the first transformer (110) and the second transformer (310); the first transformer (110) is connected with a first low-voltage incoming cabinet (410), and the second transformer (310) is connected with a second low-voltage incoming cabinet (470);
the first low-voltage inlet cabinet (410) and the first low-voltage compensation cabinet (420), the first low-voltage compensation cabinet (420) and the first low-voltage feeder cabinet (430), the first low-voltage feeder cabinet (430) and the low-voltage bus connection cabinet (440), the low-voltage bus connection cabinet (440) and the second low-voltage feeder cabinet (450), the second low-voltage feeder cabinet (450) and the second low-voltage compensation cabinet (460), and the second low-voltage compensation cabinet (460) and the second low-voltage inlet cabinet (470) are all connected by copper bars.
3. A substation according to claim 1, further comprising a generator room (900) for housing a generator; the generator room (900) is located at one end of the box-type substation in the first direction, and the generator is connected with the low-voltage incoming cabinet.
4. A box substation according to claim 1, wherein a metering cabinet (220) is further arranged in the high-voltage chamber (200), and the high-voltage feeder cabinet (210), the metering cabinet (220) and the high-voltage incoming cabinet (230) are arranged along a first direction;
the metering cabinet (220) is respectively connected with the high-voltage feeder cabinet (210) and the high-voltage inlet cabinet (230) by adopting a side expanding sleeve and copper bar.
5. A box substation according to claim 2,
the first transformer (110) is connected with a feeder end of the high-voltage feeder cabinet (210) through a cable, and the first transformer (110) is connected with the first low-voltage feeder cabinet (410) through a copper bar;
the second transformer is connected with the other feeder end of the high-voltage feeder cabinet (210) through a cable; the second transformer is connected with a second low-voltage incoming line cabinet (470) through a copper bar.
6. A box substation according to claim 1,
a first transformer (110) chamber door (500), a high-voltage chamber door (600) and a second transformer chamber door (700) which correspond to the first transformer chamber (100), the high-voltage chamber (200) and the second transformer chamber (300) are arranged on one side wall of the box-type substation along the second direction;
and a low-voltage chamber door (800) corresponding to the low-voltage chamber (400) is arranged on the other side wall of the box-type substation along the second direction.
7. A box substation according to claim 3,
and a generator room door (910) corresponding to the generator room (900) is arranged on the side wall of the box-type substation along the first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221203792.9U CN217388015U (en) | 2022-05-19 | 2022-05-19 | Box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221203792.9U CN217388015U (en) | 2022-05-19 | 2022-05-19 | Box-type substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217388015U true CN217388015U (en) | 2022-09-06 |
Family
ID=83086934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221203792.9U Active CN217388015U (en) | 2022-05-19 | 2022-05-19 | Box-type substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217388015U (en) |
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2022
- 2022-05-19 CN CN202221203792.9U patent/CN217388015U/en active Active
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