CN112615284B - A combined assembled box-type substation and assembly method thereof - Google Patents
A combined assembled box-type substation and assembly method thereof Download PDFInfo
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- CN112615284B CN112615284B CN202011644096.7A CN202011644096A CN112615284B CN 112615284 B CN112615284 B CN 112615284B CN 202011644096 A CN202011644096 A CN 202011644096A CN 112615284 B CN112615284 B CN 112615284B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000010079 rubber tapping Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 abstract 2
- 230000009466 transformation Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
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- 238000003915 air pollution Methods 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000009467 reduction Effects 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
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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
- H02B1/01—Frameworks
- H02B1/013—Profiles for cabinet frames
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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
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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Abstract
本发明提供了一种组合装配的箱式变电站及其装配方法，属于变电站技术领域，包括箱变框架、箱变顶盖、箱变二层顶、箱变隔墙以及箱变外门，箱变隔墙以可拆卸的方式固定在箱变框架中，箱变二层顶和箱变顶盖均以可拆卸的方式固定在箱变框架的顶部，箱变外门与箱变框架铰接，其中变压器室门的内侧设置有网门，箱变顶盖为拼接结构，在该拼接结构的接缝下方设有引水槽，箱变二层顶上方固定有加固梁，加固梁用于支撑箱变顶盖；本装配方法主要采用可拆卸的方式对变电站进行装配，减少了焊接的工艺；本发明解决了现有的箱式变电站处理工序多、生产周期长，并且部分处理工序容易对人体造成伤害、污染环境的问题。
The invention provides a combined assembled box-type substation and an assembly method thereof, belonging to the technical field of substations, comprising a box-type substation frame, a box-type substation top cover, a box-type substation second-layer top, a box-type substation partition wall and a box-type substation outer door, wherein the box-type substation partition wall is detachably fixed in the box-type substation frame, the box-type substation second-layer top and the box-type substation top cover are detachably fixed to the top of the box-type substation frame, the box-type substation outer door is hinged to the box-type substation frame, wherein a mesh door is arranged on the inner side of a transformer room door, the box-type substation top cover is a splicing structure, a water diversion trough is arranged below the joint of the splicing structure, a reinforcement beam is fixed above the box-type substation second-layer top, and the reinforcement beam is used to support the box-type substation top cover; the assembly method mainly assembles the substation in a detachable manner, thereby reducing the welding process; the invention solves the problems that the existing box-type substation has many processing procedures, a long production cycle, and some processing procedures are prone to cause harm to the human body and pollute the environment.
Description
Technical Field
The invention belongs to the technical field of transformer substations, and particularly relates to a combined assembled box-type transformer substation and an assembling method thereof.
Background
The box-type substation is called a preassembled substation or a preassembled substation. The transformer is assembled with functions of voltage reduction, low-voltage distribution and the like, and is installed in a movable steel structure box which is dampproof, rust-proof, dustproof, rat-proof, fireproof, antitheft, heat-insulating, totally-enclosed, and is especially suitable for urban network construction and transformation, and is a brand-new transformer station which rises after a civil engineering transformer station.
The existing box-type transformer substation is large in size, a welding structure is adopted, after the shell is welded, procedures such as rust removal, polishing, putty coating, primer spraying, finish spraying and the like are carried out outdoors, the production period is long, the requirements of customers cannot be met, the existing box-type transformer substation is harmful to human bodies, air pollution is caused, the requirements of government production stopping and rectifying are met at any time, and production is not guaranteed.
Disclosure of Invention
The invention aims to provide a combined assembled box-type substation and an assembling method thereof, and aims to solve the problems that the existing box-type substation is multiple in processing procedures, long in production period, and easy to cause harm to human bodies and pollute the environment in part of processing procedures.
In order to solve the technical problems, the invention adopts the following technical scheme:
Firstly, a box-type transformer substation assembled in a combined way is provided, which comprises a box-type transformer frame with a cuboid shape, a box-type transformer top cover with an inverted V-shaped cross section, a box-type transformer two-layer top, a box-type transformer partition wall and a box-type transformer outer door;
The box transformer substation comprises a box transformer substation frame, a box transformer substation partition wall, a box transformer substation top cover, a box transformer substation outer door, a box transformer substation door and a box transformer substation door, wherein the box transformer substation partition wall is detachably fixed in the box transformer substation frame and divides the interior of the box transformer substation frame into three functional chambers, namely a high-pressure chamber, a low-pressure chamber and a transformer chamber;
the case becomes top cap and is mosaic structure, is equipped with the water diversion groove below this mosaic structure's seam, and case becomes two-layer top and is fixed with the reinforcing beam, and the reinforcing beam is used for supporting case and becomes the top cap.
Further, the box-type transformer substation framework comprises a bottom frame, upright posts and an upper door shield, wherein the bottom frame and the upper door shield are rectangular with the same size, the upright posts are respectively fixed at four corners of the bottom frame in a detachable mode and on four edges of the bottom frame, and the upper door shield is fixed at the upper end of the upright posts in a detachable mode.
Further, the case becomes top cap and includes side top cap, top cap end cap and top cap ridge, and the cross section shape of top cap ridge is the reverse V-arrangement, and the side top cap is the rectangle, and the long limit of top cap ridge both sides is connected with the long limit of a side top cap respectively, and another long limit of side top cap is fixed at the top of case becomes the frame, and the upper portion of top cap end cap is the reverse V-arrangement, and the shape of top cap end cap and case become the space shape adaptation that top cap and case become two-layer top both sides to form, and the top cap end cap is used for filling the case and becomes the space that top cap and case become two-layer top both sides.
Further, the side top cover and the top cover ridge are formed by splicing multi-section structures, the length of each section of structure of the side top cover and the top cover ridge is the same as that of the top of the corresponding functional chamber below the side top cover and the top cover ridge, and a joint is formed at the spliced part of each two sections of structures.
Further, the two-layer roof of the box transformer comprises a high-pressure chamber two-layer roof, a low-pressure chamber two-layer roof and a pressure-changing chamber two-layer roof, and the pressure-changing chamber two-layer roof is provided with a fan and a lamp travel switch.
Further, the box transformer outer door is provided with a box transformer indicating device, a wind hook and a door lock.
The assembly method of the combined assembled box-type transformer substation is continuously provided and is used for assembling the combined assembled box-type transformer substation, and comprises the following steps of:
S1, welding bolts at four corners of a bottom frame and on four edges of the bottom frame, and arranging bolt holes corresponding to the bolts at the bottoms of the upright posts;
S2, carrying out plastic spraying treatment on each structure of the box transformer frame, the box transformer top cover, the box transformer two-layer top, the box transformer partition wall and the box transformer outer door;
s3, connecting the upright post with a bolt of the bottom frame in a threaded manner, ensuring that the upright post is perpendicular to the bottom frame, and connecting the upper door stop with the upright post by using a screw;
S4, using a self-tapping assembly side top cover, a top cover plug and a top cover ridge as a box transformer substation top cover, using self-tapping to fix a water diversion groove and a reinforcing beam on the box transformer substation top cover, and then using screws to connect and fasten the assembled box transformer substation top cover and a box transformer substation frame;
S5, mounting a two-layer roof of the box transformer on the top of a box transformer frame, and mounting a fan and a lamp travel switch on the two-layer roof of the transformer room;
s6, connecting and fastening the box transformer partition wall and the upright posts by using screws, separating three functional chambers in the box transformer frame, wherein the three functional chambers comprise a high-pressure chamber, a low-pressure chamber and a transformer chamber, and then connecting and fastening the net door and the upright posts on two sides of the transformer chamber by using screws;
s7, respectively mounting a high-pressure chamber door, a low-pressure chamber door and a transformer chamber door on upright posts of corresponding functional chambers through wide-angle hinges, and mounting a wind hook and a door lock on the high-pressure chamber door, the low-pressure chamber door and the transformer chamber door;
And S8, installing a corresponding box-type substation indicating device on the box-type substation outer door.
Further, the screw is an 8.8-grade M10 screw, and the self-tapping is an 8.8-grade M6 self-tapping.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the combined assembled box-type transformer substation is formed by detachably assembling the box-type transformer framework, the box-type transformer top cover, the box-type transformer substation two-layer top, the box-type transformer partition wall and the box-type transformer substation outer door, is convenient to install and detach, is convenient to maintain in the later period, greatly reduces the labor intensity of workers, and avoids the problems of harm and environmental pollution to the bodies of the workers due to too many welding, painting and other processes in the installation process.
2. According to the assembling method of the combined assembled box-type transformer substation, provided by the invention, the parts of the transformer substation are assembled in a detachable manner mainly by using screws or bolts, so that the processes of welding, paint spraying and the like are avoided, the assembling production period of the box-type transformer substation is shortened, the production efficiency is greatly improved, and the labor cost is saved. Parts for the combined assembly box-type transformer substation can be subjected to assembly line plastic spraying, the plastic spraying quality is guaranteed, and the combined assembly box-type transformer substation is environment-friendly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic flow chart of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of an assembly of a box transformer frame and a box transformer partition;
FIG. 4 is a schematic diagram of the structure of a two-layer roof of a box transformer;
FIG. 5 is a schematic view of the structure of the top cover of the box transformer;
in the drawing, the device comprises a 10-top cover ridge, a 11-water diversion groove, a 12-side top cover, a 13-top cover plug, a 14-box transformer substation double-layer top, a 15-box transformer substation framework, a 16-box transformer substation outer door, a 17-box transformer substation partition wall, a 18-reinforcing beam, a 19-bottom frame, a 20-upright post, a 21-upper door shield, a 22-low-voltage chamber double-layer top, a 23-transformer chamber double-layer top and a 24-high-voltage chamber double-layer top.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the features and performances of the present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, firstly, a box-type substation assembled in a combined way is proposed, which comprises a box-type transformer frame 15 with a cuboid shape, a box-type transformer top cover with an inverted V-shaped cross section, a box-type transformer two-layer top 14, a box-type transformer partition wall 17 and a box-type transformer outer door 16;
The box transformer substation frame 15 is internally divided into three functional chambers, namely a high-pressure chamber, a low-pressure chamber and a transformer chamber, wherein as shown in fig. 3, a box transformer partition 17 is detachably fixed in the box transformer frame 15, the three functional chambers are respectively a high-pressure chamber, a low-pressure chamber and a transformer chamber, a box transformer secondary roof 14 and a box transformer roof are detachably fixed at the top of the box transformer frame 15, and the position of the box transformer roof is above the box transformer secondary roof 14;
as shown in fig. 5, the box transformer substation top cover is of a splicing structure, a water diversion groove 11 is arranged below a joint of the splicing structure, a reinforcing beam 18 is fixed above the box transformer substation two-layer top 14, and the reinforcing beam 18 is used for supporting the box transformer substation top cover.
In the above-described box-type substation, the bottom of the box-type substation frame 15 is provided with a wiring area, a transformer box placement area, an electrical cabinet placement area, and the like for placing corresponding power distribution equipment, while the box-type substation partition 17 is provided with relevant hole sites for wiring and mounting of equipment switches and the like. The two-layer roof 14 of the box transformer not only enables the transformer room to form a closed air channel, thereby facilitating the exhausting and the heat removal, but also enhancing the integral strength of the box transformer. Reinforcing beams 18 and water diversion grooves 11 are arranged between the box transformer substation double-layer roof 14 and the box transformer substation top cover and are respectively used for enhancing the overall structural strength, guiding out rainwater and the like. Because the indoor temperature needs to be paid attention to in the use process of the box transformer substation, under the condition of sunlight insolation in summer, heat-insulating materials can be filled between the top cover of the box transformer substation and the two-layer top 14 of the box transformer substation.
In addition, in the above-mentioned assembled box-type substation, the box-type substation frame 15 includes the bottom frame 19, the upright posts 20 and the upper door stop 21, the shape of the bottom frame 19 and the shape of the upper door stop 21 are rectangular with the same size, the upright posts 20 are detachably fixed at four corners of the bottom frame 19 and four edges of the bottom frame 19 respectively, and the upper door stop 21 is detachably fixed at the upper end of the upright posts 20. The bottom frame 19 is typically welded using channel steel, and a corresponding base plate is mounted on the bottom frame 19 for placing corresponding electrical equipment. And a bolt is welded in advance at the place where the bottom frame 19 needs to be fixed with the upright post 20, and a bolt hole for threaded connection with the bolt is also machined on the upright post 20, so that the upright post 20 and the bottom frame 19 are connected and fixed through the bolt.
The case becomes top cap includes side top cap 12, top cap end cap 13 and top cap ridge 10, and the cross sectional shape of top cap ridge 10 is the reverse V-arrangement, and side top cap 12 is the rectangle, and the long limit of top cap ridge 10 both sides is connected with the long limit of a side top cap 12 respectively, and another long limit of side top cap 12 is fixed at the top of case becomes frame 15, and the upper portion of top cap end cap 13 is the reverse V-arrangement, and the shape of top cap end cap 13 and case become the space shape adaptation that top cap and case become two-layer top 14 both sides formed, and top cap end cap 13 is used for filling the space that case becomes top cap and case become two-layer top 14 both sides. The inverted V-shaped top cover ridge 10 can effectively prevent the deposition of rainwater, and the side top covers 12 on both sides of the top cover ridge 10 can be provided with water pouring holes connected with the water diversion grooves 11 to further drain the rainwater.
The side top cover 12 and the top cover ridge 10 are formed by splicing multiple sections, the length of each section of the side top cover 12 and the top cover ridge 10 is the same as the length of the top of the corresponding functional chamber below the side top cover 12 and the top cover ridge 10, and a joint is formed at the spliced part of each two sections of the structures. The side header 12 and the header ridge 10 are provided in a multi-segment splice structure for ease of manufacture and transportation.
As shown in fig. 4, the box transformer substation double-layer roof 14 comprises a high-pressure chamber double-layer roof 24, a low-pressure chamber double-layer roof 22 and a transformation chamber double-layer roof, and the transformation chamber double-layer roof is provided with a fan and a lamp travel switch. The two-layer roof 14 of the transformer substation can be correspondingly designed and manufactured according to the condition of each functional room, and the transformer room can generate a large amount of heat during operation, so that a fan can be arranged to discharge the heat in time.
In addition, for convenience of use, a box-type substation indicating device, a wind hook and a door lock can be further arranged on the box-type substation outer door 16.
Further, the screw is an 8.8-grade M10 screw, and the self-tapping is an 8.8-grade M6 self-tapping.
Example 1
The combined assembled box-type transformer substation mainly solves two problems in design, namely, how to assemble a plurality of parts together and ensure structural strength, and the second is waterproof treatment of a top cover.
As shown in fig. 2, in order to solve the above problems, there is further provided a method for assembling a box-type substation by assembly, comprising the steps of:
s1, welding bolts at four corners of a bottom frame 19 and four edges of the bottom frame 19, and forming bolt holes corresponding to the bolts at the bottom of the upright post 20;
s2, carrying out plastic spraying treatment on each structure of the box transformer frame 15, the box transformer top cover, the box transformer two-layer top 14, the box transformer partition 17 and the box transformer outer door 16;
S3, connecting the upright post 20 on a bolt of the bottom frame 19 in a threaded manner, ensuring that the upright post 20 is perpendicular to the bottom frame 19, and connecting the upper door stop 21 with the upright post 20 by using a screw;
s4, using the self-tapping assembled side top cover 12, the top cover plug 13 and the top cover ridge 10 as a box transformer top cover, using self-tapping to fix the water diversion groove 11 and the reinforcing beam 18 on the box transformer top cover, and then using screws to connect and fasten the assembled box transformer top cover and the box transformer frame 15;
S5, mounting a box transformer secondary roof 14 on the top of a box transformer frame 15, and mounting a fan and a lamp travel switch on the secondary roof of the transformer room;
s6, connecting and fastening the box transformer partition 17 and the upright posts 20 by using screws, so that three functional chambers are separated in the box transformer frame 15, wherein the three functional chambers comprise a high-pressure chamber, a low-pressure chamber and a transformer chamber, and then connecting and fastening the net door and the upright posts 20 on two sides of the transformer chamber by using screws;
s7, respectively mounting a high-pressure chamber door, a low-pressure chamber door and a transformer chamber door on upright posts 20 of the corresponding functional chambers through wide-angle hinges, and mounting a wind hook and a door lock on the high-pressure chamber door, the low-pressure chamber door and the transformer chamber door;
And S8, installing a corresponding box-type substation indicating device on the box-type substation outer door 16.
Claims (5)
1. The combined assembled box-type substation is characterized by comprising a box-type substation frame (15) with a cuboid shape, a box-type substation top cover with an inverted V-shaped cross section, a box-type substation two-layer top (14), a box-type substation partition wall (17) and a box-type substation outer door (16);
The box transformer partition wall (17) is detachably fixed in the box transformer frame (15) and divides the interior of the box transformer frame (15) into three functional chambers, namely a high-pressure chamber, a low-pressure chamber and a transformer chamber, wherein the box transformer two-layer top (14) and the box transformer top cover are detachably fixed at the top of the box transformer frame (15) and are positioned above the box transformer two-layer top (14), the box transformer outer door (16) comprises a high-pressure chamber door, a low-pressure chamber door and a transformer chamber door, the high-pressure chamber door, the low-pressure chamber door and the transformer chamber door are sequentially arranged outside the high-pressure chamber, the low-pressure chamber and the transformer chamber, and are hinged with the box transformer frame (15), and the inner side of the transformer chamber door is provided with a net door;
the box transformer substation top cover is of a splicing structure, a water diversion groove (11) is arranged below a joint of the splicing structure, a reinforcing beam (18) is fixed above the box transformer substation two-layer top (14), and the reinforcing beam (18) is used for supporting the box transformer substation top cover;
The box transformer frame (15) comprises a bottom frame (19), upright posts (20) and an upper door stop (21), wherein the shape of the bottom frame (19) and the shape of the upper door stop (21) are rectangular with the same size, the upright posts (20) are respectively fixed at four corners of the bottom frame (19) and four edges of the bottom frame (19) in a detachable mode, and the upper door stop (21) is fixed at the upper end of the upright post (20) in a detachable mode;
The box transformer top cover comprises side top covers (12), top cover plugs (13) and top cover ridges (10), the cross section of each top cover ridge (10) is in an inverted V shape, each side top cover (12) is rectangular, long sides of two sides of each top cover ridge (10) are respectively connected with long sides of one side top cover (12), the other long side of each side top cover (12) is fixed at the top of the box transformer frame (15), the upper parts of the top cover plugs (13) are in an inverted V shape, the shape of each top cover plug (13) is matched with the shape of a gap formed at two sides of the box transformer top cover and the box transformer double-layer top (14), and each top cover plug (13) is used for filling the gap at two sides of the box transformer top cover and the box transformer double-layer top (14);
The side top cover (12) and the top cover ridge (10) are formed by splicing multi-section structures, the length of each section of structure of the side top cover (12) and the top cover ridge (10) is the same as the length of the top of the corresponding functional chamber below the side top cover (12) and the top cover ridge (10), and a joint is formed at the spliced part of every two sections of structures.
2. A modular box-type substation according to claim 1, characterized in that the substation roof (14) comprises a high-voltage chamber roof (24), a low-voltage chamber roof (22) and a transformer chamber roof, the transformer chamber roof being provided with fans and lamp travel switches.
3. A modular box-type substation according to claim 1 or 2, characterized in that the box-type substation outer doors (16) are provided with box-type substation indicating devices, hooks and door locks.
4. A method of assembling a modular assembled box-type substation according to any one of claims 1-3, comprising the steps of:
S1, welding bolts at four corners of a bottom frame (19) and on four sides of the bottom frame (19), and forming bolt holes corresponding to the bolts at the bottom of a stand column (20);
S2, carrying out plastic spraying treatment on each structure of a box transformer frame (15), a box transformer top cover, a box transformer two-layer top (14), a box transformer partition wall (17) and a box transformer outer door (16);
S3, connecting the stand column (20) on a bolt of the bottom frame (19) in a threaded manner, ensuring that the stand column (20) is perpendicular to the bottom frame (19), and connecting the upper door stop (21) and the stand column (20) by using a screw;
S4, using a self-tapping assembly side top cover (12), a top cover plug (13) and a top cover ridge (10) as a box transformer top cover, using self-tapping to fix a water diversion groove (11) and a reinforcing beam (18) on the box transformer top cover, and then using screws to connect and fasten the assembled box transformer top cover and a box transformer frame (15);
S5, mounting a box transformer secondary roof (14) on the top of a box transformer frame (15), and mounting a fan and a lamp travel switch on the secondary roof of the transformer room;
S6, connecting and fastening the box transformer partition wall (17) and the stand columns (20) by using screws, separating three functional chambers in the box transformer frame (15), wherein the three functional chambers comprise a high-pressure chamber, a low-pressure chamber and a transformer chamber, and then connecting and fastening the net door and the stand columns (20) on two sides of the transformer chamber by using screws;
S7, respectively mounting a high-pressure chamber door, a low-pressure chamber door and a transformer chamber door on upright posts (20) of the corresponding functional chambers through wide-angle hinges, and mounting a wind hook and a door lock on the high-pressure chamber door, the low-pressure chamber door and the transformer chamber door;
And S8, installing a corresponding box transformer indicating device on the box transformer outer door (16).
5. The method for assembling a modular substation according to claim 4, wherein said screws are 8.8 grade M10 screws and said self-tapping is 8.8 grade M6 self-tapping.
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| CN214478730U (en) * | 2020-12-30 | 2021-10-22 | 河南中控电气有限公司 | Combined assembled box-type substation |
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| CN203415883U (en) * | 2013-07-26 | 2014-01-29 | Abb技术有限公司 | Preassembled transformer substation |
| CN203787827U (en) * | 2014-04-15 | 2014-08-20 | 山东齐林电力设备有限公司 | Metal armored box-type substation |
| CN107275967B (en) * | 2017-07-19 | 2023-08-18 | 天津伯邦电气有限公司 | Box-type substation |
| CN207542618U (en) * | 2017-12-08 | 2018-06-26 | 山东齐林电力设备股份有限公司 | Metal box substation |
| CN211088847U (en) * | 2019-12-06 | 2020-07-24 | 北京龙源开关设备有限责任公司 | Assembled box-type substation box body |
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| CN214478730U (en) * | 2020-12-30 | 2021-10-22 | 河南中控电气有限公司 | Combined assembled box-type substation |
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