CN117060251B - Assembled box-type substation - Google Patents
Assembled box-type substation Download PDFInfo
- Publication number
- CN117060251B CN117060251B CN202311026019.9A CN202311026019A CN117060251B CN 117060251 B CN117060251 B CN 117060251B CN 202311026019 A CN202311026019 A CN 202311026019A CN 117060251 B CN117060251 B CN 117060251B
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- China
- Prior art keywords
- locking
- box body
- base
- box
- plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 5
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- H02B1/50—Pedestal- or pad-mounted 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention provides an assembled box-type transformer substation, which comprises a rectangular base and a transformer substation box body, wherein the box body is fixedly arranged at the right middle position of the upper surface of the base; the four vertical edges of the box body are fixedly connected with the four vertical edges of the base through locking pieces; the locking piece comprises a square locking pressing plate and a pair of locking supporting arm plates which are respectively and obliquely extended downwards from a group of adjacent sides of the locking pressing plate, the locking pressing plate and the locking supporting arm plates are of an integrated structure, and the bottom of each locking supporting arm plate is integrally provided with a vertical fastening plate; locking slots for the locking pressing plates to be inserted in a matched manner are formed in four corners of the upper surface of the box body; two fastening plates of a pair of locking support arm plates of the locking pressing plate are respectively fixed on a group of adjacent vertical surfaces of the base through fastening bolts; a plurality of landscape supporting plates are fixedly arranged on the two locking supporting arm plates positioned in front of the same vertical surface of the box body from top to bottom. The invention can beautify urban environment and enhance visual effect.
Description
Technical Field
The invention relates to the technical field of box-type substations, in particular to an assembled box-type substation.
Background
The prefabricated outdoor compact power distribution equipment is characterized in that high-voltage electrical equipment, a transformer, low-voltage electrical equipment and the like are arranged in a steel structure box body to form compact complete power distribution equipment, and the compact complete power distribution equipment is used for occasions such as urban and rural buildings, residential communities, small and medium-sized factories, temporary construction electricity consumption and the like and is used as a power distribution system for receiving and distributing electric energy. The assembled transformer substation is required to be disassembled as quickly as possible on the premise of ensuring the basic structural strength of the transformer substation.
The existing box-type transformer substation often exists in a relatively crude or rough image, such as on a grass or on a road, which is visually abrupt, so that not only is the urban environment cut apart, but also the urban landscape is reduced, and meanwhile, the visual sanitation is also influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing an assembled box-type transformer substation aiming at the defects of the prior art, and the assembled box-type transformer substation is added with landscape functions so as to beautify urban environment and enhance visual effect.
In order to solve the technical problems, the invention comprises the following steps:
An assembled box-type transformer substation comprises a base and a transformer substation box body which are both cuboid; the size of the upper surface of the base is larger than that of the lower surface of the box body, and the box body is fixedly arranged at the middle position of the upper surface of the base; a plurality of positioning inserting columns are fixedly arranged on the lower surface of the box body, a plurality of positioning slots are correspondingly formed in the upper surface of the base, and the positioning of the box body on the base is realized by respectively inserting the positioning inserting columns into the corresponding positioning slots; the four vertical edges of the box body are fixedly connected with the four vertical edges of the base through locking pieces; the locking piece comprises a square locking pressing plate and a pair of locking support arm plates which are respectively and obliquely extended downwards from a group of adjacent sides of the locking pressing plate, the locking pressing plate and the locking support arm plates are of an integrated structure, and the bottom of each locking support arm plate is integrally provided with a vertical fastening plate; locking slots for the locking pressing plates to be inserted in a matched manner are formed in four corners of the upper surface of the box body; two fastening plates of a pair of locking support arm plates of the locking pressing plate are respectively fixed on a group of adjacent vertical surfaces of the base through fastening bolts; a plurality of landscape supporting plates are fixedly arranged on the two locking supporting arm plates positioned in front of the same vertical surface of the box body from top to bottom.
Further, a landscape supporting plate is arranged on the locking supporting arm plate in front of at least one vertical surface of the box body.
Further, a supporting rod is fixedly arranged on the lower surface of the landscape supporting plate, and a rod hole for the supporting rod to be inserted into is formed in a corresponding position on the base.
Further, a reinforcing rib is integrally provided in the middle of the upper surface of the lock support arm plate, and extends downward from the upper surface of the lock pressing plate to the outer surface of the fastening plate.
Further, the two ends of the landscape supporting plate are respectively provided with clamping grooves matched with the corresponding reinforcing rib plates.
Further, spring washers are arranged on the positioning plunger and the bottom of the locking pressing plate.
Further, the device also comprises an exhaust fan fixedly arranged at the top of the box body and a dome-type box cover fixedly arranged above the box body; the periphery of the box cover is provided with outer edges stretching out of four vertical faces of the box body, and an exhaust gap is arranged between the outer edges of the box cover and the periphery of the top of the box body; an arc-shaped air deflector which is transversely and downwards bent is fixedly arranged below the air exhaust gap corresponding to the vertical face of the box body, and a transverse water storage groove is formed in the outer side of the upper portion of the air deflector.
Further, an ellipsoidal wind shield is arranged in the box cover and covers the top of the box body.
Further, the left end and the right end of the arc-shaped air deflector are respectively fixed between the left locking support arm plate and the right locking support arm plate in front of the vertical surface of the box body.
Further, a water storage tank is fixedly arranged in the box cover, and the water storage tank is connected with the water storage tank through a water guide pipe.
The beneficial effects of the invention are as follows:
According to the invention, the fixed connection between the transformer substation box body and the base is realized through the locking piece, so that the transformer substation can be conveniently assembled and disassembled, and the stereoscopic impression and the aesthetic property of the traditional transformer substation box body can be increased. The locking piece and the multilayer landscape supporting plate arranged on the locking piece form a landscape outer frame of the transformer substation, and meanwhile, the multilayer flowerpot or the tray for cultivating flowers and plants can be placed, so that monotonous infrastructures become more colorful, the surrounding environment is better integrated, and meanwhile, heat emitted by the transformer substation is better collected.
The transformer substation box adopts the mode of exhausting air to discharge the heat that its internal equipment work produced, and hot exhaust air is from the outer gap slope downward row of airing exhaust between edge and the box top of case lid to the view layer board to at this in-process, blow the flowers and plants on the view layer board with the water in the catch basin on the arc aviation baffle, when making hot exhaust air cooling, can moisten flowers and plants on the view layer board, more do benefit to its growth.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the invention with the cover removed;
FIG. 3 is a top view of the invention with the cover removed;
in the figure: 1. the device comprises a base, 2, a box body, 3, a locking support arm plate, 4, a locking pressing plate, 5, a fastening plate, 6, a fastening bolt, 7, a landscape supporting plate, 8, an exhaust fan, 9, a box cover, 10, an air deflector, 11 and a water storage tank.
Detailed Description
The invention will be described in further detail below with reference to the drawings and the detailed description. It will be apparent to those skilled in the art that the examples are merely to aid in understanding the invention and are not to be construed as a specific limitation thereof.
Example 1
As shown in the figure, the invention provides an assembled box-type substation, which comprises a base 1 and a substation box body 2 fixed on the base 1; the base 1 is formed by concrete placement, and base 1 and box 2 are cuboid to the upper surface size of base 1 is greater than the lower surface size of box 2, and box 2 fixed the setting in the right intermediate position of upper surface of base 1. A plurality of positioning inserting posts are fixedly arranged on the lower surface of the box body 2, a plurality of positioning slots are correspondingly formed on the upper surface of the base 1, and the positioning of the box body 2 on the base 1 is realized by respectively inserting the positioning inserting posts into the corresponding positioning slots; the positioning plunger is provided with a spring washer.
The four vertical edges of the box body 2 are fixedly connected with the four vertical edges of the base 1 through a locking piece respectively; the locking piece comprises a square locking pressing plate 4 and a pair of locking supporting arm plates 3 which are respectively and obliquely extended downwards from a group of adjacent sides of the locking pressing plate 4, the bottom of each locking supporting arm plate 3 is integrally provided with a vertical fastening plate 5, and the locking pressing plate 4, the locking supporting arm plates 3 and the fastening plates 5 are of an integrated structure; locking slots for the locking pressing plates 4 to be matched and inserted are formed in four corners of the upper surface of the box body 2.
The dimensions of the base 1 and the housing 2, the dimensions of the locking slot and the locking pressure plate 4, the dimensions of the locking support arm plate 3 and their angles with the locking pressure plate 4 and the fastening plate 5 are all designed beforehand. The locking pressing plate 4 is inserted into the locking slot, and a spring washer is arranged between the locking pressing plate 4 and the locking slot; two fastening plates 5 of a pair of locking support arm plates 3 of the locking press plate 4 are respectively fixed on a group of adjacent vertical surfaces of the base 1 through fastening bolts 6; a plurality of landscape supporting plates 7 are fixedly arranged on the two locking supporting arm plates 3 positioned in front of the same vertical surface of the box body 2 from top to bottom. The landscape supporting plate 7 is used for placing flower pots or trays for planting flowers and plants.
Because the locking support arm plate 3 is obliquely arranged, a plurality of landscape supporting plates 7 on the locking support arm plate are staggered between adjacent ones, so that the upper and lower multilayer flowerpots or trays can be conveniently placed.
The view supporting plate 7 is arranged on the locking supporting arm plate 3 in front of at least one vertical surface of the box body 2. For ease of illustration, only the view pallet 7 is shown in front of two adjacent facades.
The landscape supporting plates 7 are transversely arranged, the length of the landscape supporting plates is slightly smaller than the width of the vertical face of the box body 2, one or more supporting rods 12 are fixedly arranged on the lower surface of each landscape supporting plate 7 in order to realize firm erection of the landscape supporting plates 7, and rod holes for the supporting rods 12 to be inserted into are formed in corresponding positions on the base 1.
In order to strengthen the rigidity of the lock support arm plate 3, a reinforcing rib is integrally provided in the middle of the upper surface of the lock support arm plate 3, and extends downward from the upper surface of the lock pressing plate 4 to the outer surface of the fastening plate 5. The two ends of the landscape supporting plate 7 are respectively provided with clamping grooves which are matched with the corresponding reinforcing rib plates.
Example 2
The top of the box body 2 is fixedly provided with a plurality of exhaust fans 8, and the exhaust fans 8 are used for exhausting heat generated by the operation of equipment in the box body 2 upwards; a dome-shaped case cover 9 is fixedly arranged above the case body 2. The case cover 9 protects the case body 2 on one hand, on the other hand, the periphery of the case cover 9 is provided with outer edges extending out of four vertical faces of the case body 2, and an exhaust gap is arranged between the outer edges of the case cover 9 and the periphery of the top of the case body 2; the cover 9 includes a flat rectangular parallelepiped support frame and a dome-shaped cover plate covering the outside of the support frame, and an ellipsoidal wind deflector covering the top of the case 2 is provided inside the cover 9. The supporting frame has four legs at the bottom to fix the four locking parts.
The bottom edge of the cover plate is a rectangle slightly larger than the top surface of the box cover 9, the outer edge of the box cover 9 is formed by naturally inclining and extending the cover plate towards the outer lower part of the box body 2, the exhaust gap is divided into four sections corresponding to four vertical faces of the box body 2, and each section is transversely arranged and arranged between the left locking support arm plate 3 and the right locking support arm plate 3 corresponding to the vertical face of the box body 2. The top of the four vertical faces of the box body 2 can be provided with an outer edge, and an exhaust gap is arranged between the upper and lower outer edges. The hot exhaust air of the box body 2 is obliquely blown to the downward landscape supporting plate 7 by the exhaust air gap, an arc-shaped air deflector 10 which is transversely and downwards bent is fixedly arranged below the exhaust air gap, and the left end and the right end of the arc-shaped air deflector 10 are respectively fixed between the left locking supporting arm plate 3 and the right locking supporting arm plate 3 in front of the standing surface of the box body 2; the upper outer side of the air deflector 10 is provided with a transverse water storage tank 11. When the hot exhaust air of the box body 2 is obliquely blown to the landscape supporting plate 7 below from the exhaust air gap, the hot exhaust air flows through the water storage groove 11 on the arc-shaped air deflector 10, part of water in the water storage groove 11 is blown to the landscape supporting plate 7 by the hot exhaust air, so that the flowers and plants on the landscape supporting plate 7 can be moistened while the hot exhaust air is cooled.
The inside of the tank cover 9 is fixedly provided with a water storage tank which is connected with the water storage tank 11 through a water guide pipe, and the water storage tank supplies water to the water storage tank 11 continuously or intermittently. The overflowed water in the water storage tank 11 can flow to the landscape supporting plate 7 through the arc-shaped air deflector 10, and a layer of foam cushion can be paved on the upper surface of the arc-shaped air deflector 10 for retaining the overflowed water.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An assembled box-type transformer substation comprises a base (1) and a transformer substation box body (2), wherein the base and the transformer substation box body are both cuboid; the device is characterized in that the upper surface size of the base (1) is larger than the lower surface size of the box body (2), and the box body (2) is fixedly arranged at the middle position of the upper surface of the base (1); a plurality of positioning inserting posts are fixedly arranged on the lower surface of the box body (2), a plurality of positioning slots are correspondingly formed in the upper surface of the base (1), and the positioning of the box body (2) on the base (1) is realized by respectively inserting the positioning inserting posts into the corresponding positioning slots; four vertical edges of the box body (2) are fixedly connected with four vertical edges of the base (1) through locking pieces; the locking piece comprises a square locking pressing plate (4) and a pair of locking supporting arm plates (3) which are respectively and obliquely extended downwards from a group of adjacent sides of the locking pressing plate (4), the locking pressing plate (4) and the locking supporting arm plates (3) are of an integral structure, and the bottom of each locking supporting arm plate (3) is integrally provided with a vertical fastening plate (5); locking slots for the locking pressing plates (4) to be inserted in a matched mode are formed in four corners of the upper surface of the box body (2); two fastening plates (5) of a pair of locking support arm plates (3) of the locking pressing plate (4) are respectively fixed on a group of adjacent vertical surfaces of the base (1) through fastening bolts (6); a plurality of landscape supporting plates (7) are fixedly arranged on the two locking supporting arm plates (3) positioned in front of the same vertical surface of the box body (2) from top to bottom;
The device also comprises an exhaust fan (8) fixedly arranged at the top of the box body (2) and a dome-shaped box cover (9) fixedly arranged above the box body (2); the periphery of the box cover (9) is provided with outer edges stretching out of four vertical faces of the box body (2), and an exhaust gap is arranged between the outer edges of the box cover (9) and the periphery of the top of the box body (2); an arc-shaped air deflector (10) which is transversely and downwards bent is fixedly arranged below an air exhaust gap corresponding to the vertical face of the box body (2), a transverse water storage groove (11) is formed in the outer side of the upper portion of the air deflector (10), and part of water in the water storage groove (11) is blown to the landscape supporting plate (7) by hot air exhaust.
2. The assembled box-type substation according to claim 1, characterized in that the lower surface of the landscape pallet (7) is fixedly provided with a supporting rod (12), and the corresponding position on the base (1) is provided with a rod hole for inserting the supporting rod (12).
3. The assembled substation according to claim 1, characterized in that a stiffening rib is provided in the middle of the upper surface of the locking support arm plate (3) and extends downwards from the upper surface of the locking pressure plate (4) to the outer surface of the fastening plate (5).
4. The assembled box-type substation according to claim 3, characterized in that the two ends of the landscape pallet (7) are respectively provided with clamping grooves adapted to the corresponding reinforcing rib plates.
5. The assembled box-type substation according to claim 1, characterized in that the positioning studs and the bottom of the locking pressure plate (4) are provided with spring washers.
6. The assembled substation according to claim 1, characterized in that the inside of the box cover (9) is provided with an ellipsoidal wind deflector covering the top of the box (2).
7. The assembled box-type substation according to claim 1, characterized in that the left and right ends of the arc-shaped air deflector (10) are respectively fixed between the left and right locking support arm plates (3) in front of the standing surface of the box body (2).
8. The modular substation according to claim 1, characterized in that the tank cover (9) is internally fixedly provided with a water reservoir connected to the water reservoir (11) by means of a water conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311026019.9A CN117060251B (en) | 2023-08-15 | 2023-08-15 | Assembled box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311026019.9A CN117060251B (en) | 2023-08-15 | 2023-08-15 | Assembled box-type substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117060251A CN117060251A (en) | 2023-11-14 |
| CN117060251B true CN117060251B (en) | 2024-05-28 |
Family
ID=88667171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311026019.9A Active CN117060251B (en) | 2023-08-15 | 2023-08-15 | Assembled box-type substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117060251B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19719082A1 (en) * | 1997-04-02 | 1998-10-08 | Andre Dipl Ing Meuleman | Low voltage distribution box |
| CN207039046U (en) * | 2017-08-03 | 2018-02-23 | 华核电气股份有限公司 | A kind of intelligent box substation |
| CN207149942U (en) * | 2017-07-01 | 2018-03-27 | 林海平 | One kind modernization electric field distribution box |
| CN111884115A (en) * | 2020-07-20 | 2020-11-03 | 广东鹏鑫电气科技有限公司 | Cooling equipment for box-type substation |
| CN112563939A (en) * | 2020-12-17 | 2021-03-26 | 黄志� | Outdoor electrical control cabinet convenient to dismouting is fixed |
| CN213959459U (en) * | 2020-12-01 | 2021-08-13 | 九江海阳科技发展有限公司 | Bury ground view formula transformer substation box |
| CN214255300U (en) * | 2020-12-31 | 2021-09-21 | 青岛亿纬工程有限公司 | Do benefit to fixed integral type box-type substation of installation |
| CN215472024U (en) * | 2021-09-03 | 2022-01-11 | 中交一公局集团有限公司 | Prefabricated box girder bed-jig |
| CN215732959U (en) * | 2021-10-09 | 2022-02-01 | 北京波瑞芯工程技术研究院 | Pre-combined box-type substation |
| CN114284881A (en) * | 2021-12-29 | 2022-04-05 | 武汉进取电气科技有限公司 | Automatic distribution box of early warning |
| CN218770804U (en) * | 2022-11-07 | 2023-03-28 | 安徽国宏电气有限公司 | Movable low-voltage drawer cabinet |
-
2023
- 2023-08-15 CN CN202311026019.9A patent/CN117060251B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19719082A1 (en) * | 1997-04-02 | 1998-10-08 | Andre Dipl Ing Meuleman | Low voltage distribution box |
| CN207149942U (en) * | 2017-07-01 | 2018-03-27 | 林海平 | One kind modernization electric field distribution box |
| CN207039046U (en) * | 2017-08-03 | 2018-02-23 | 华核电气股份有限公司 | A kind of intelligent box substation |
| CN111884115A (en) * | 2020-07-20 | 2020-11-03 | 广东鹏鑫电气科技有限公司 | Cooling equipment for box-type substation |
| CN213959459U (en) * | 2020-12-01 | 2021-08-13 | 九江海阳科技发展有限公司 | Bury ground view formula transformer substation box |
| CN112563939A (en) * | 2020-12-17 | 2021-03-26 | 黄志� | Outdoor electrical control cabinet convenient to dismouting is fixed |
| CN214255300U (en) * | 2020-12-31 | 2021-09-21 | 青岛亿纬工程有限公司 | Do benefit to fixed integral type box-type substation of installation |
| CN215472024U (en) * | 2021-09-03 | 2022-01-11 | 中交一公局集团有限公司 | Prefabricated box girder bed-jig |
| CN215732959U (en) * | 2021-10-09 | 2022-02-01 | 北京波瑞芯工程技术研究院 | Pre-combined box-type substation |
| CN114284881A (en) * | 2021-12-29 | 2022-04-05 | 武汉进取电气科技有限公司 | Automatic distribution box of early warning |
| CN218770804U (en) * | 2022-11-07 | 2023-03-28 | 安徽国宏电气有限公司 | Movable low-voltage drawer cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117060251A (en) | 2023-11-14 |
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