CN112688183A - High-voltage power distribution cabinet - Google Patents
High-voltage power distribution cabinet Download PDFInfo
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- CN112688183A CN112688183A CN202011510004.6A CN202011510004A CN112688183A CN 112688183 A CN112688183 A CN 112688183A CN 202011510004 A CN202011510004 A CN 202011510004A CN 112688183 A CN112688183 A CN 112688183A
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Abstract
The application relates to a high-voltage power distribution cabinet, relating to the technical field of power equipment; the cabinet comprises an outer cabinet body and an inner cabinet body positioned in the outer cabinet body and used for mounting electrical components, wherein the same sides of the outer cabinet body and the inner cabinet body are open, and cabinet doors are arranged at the openings of the outer cabinet body and the inner cabinet body; a first through hole is formed in the top of the outer cabinet body, the first through hole is located on the periphery of the inner cabinet body, a second through hole is formed in the side wall of the outer cabinet body and located below the side wall of the outer cabinet body, and a first heat dissipation hole is formed in the side wall of the inner cabinet body and located above the second through hole; this application has guarantees waterproof performance's effect when realizing the heat dissipation.
Description
Technical Field
The application relates to the technical field of power equipment, in particular to a high-voltage power distribution cabinet.
Background
The high-voltage power distribution cabinet is an electrical appliance product which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, has a voltage grade of 3.6 kV-550 kV, and mainly comprises a high-voltage circuit breaker, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like.
A related Chinese patent with an authorization publication number of CN206432581U discloses a high-voltage power distribution cabinet, which comprises a cabinet body, wherein a cabinet door is arranged on the cabinet body, a heat insulation layer is arranged on the surface of the cabinet body, heat dissipation holes are arranged on the side surface of the cabinet body, a plurality of electric appliance component chambers are arranged in the cabinet body, and a fan facing the heat dissipation holes is arranged in each electric appliance component chamber; the heat dissipation of the electric appliance elements in the cabinet body is realized through the heat dissipation holes and the fan.
In view of the above-mentioned related art, the inventor believes that when the high voltage power distribution cabinet is arranged outdoors, although the first heat dissipation hole can perform a heat dissipation function, external rainwater easily enters the cabinet from the first heat dissipation hole, so that the electric elements inside the cabinet are corroded by the rainwater to cause a failure, and therefore the improvement is needed.
Disclosure of Invention
In order to improve the heat radiation structure of the cabinet body that exists among the correlation technique and lead to the relatively poor technical problem of waterproof nature, this application provides a high voltage distribution cabinet.
The application provides a high voltage distribution cabinet adopts following technical scheme:
a high-voltage power distribution cabinet comprises an outer cabinet body and an inner cabinet body which is positioned in the outer cabinet body and used for mounting electrical components, wherein the same side of the outer cabinet body and the inner cabinet body is provided with an opening, and cabinet doors are arranged at the openings of the outer cabinet body and the inner cabinet body; the cabinet is characterized in that a first through hole is formed in the top of the outer cabinet body and located at the periphery of the inner cabinet body, a second through hole is formed in the side wall of the outer cabinet body and located below the side wall of the outer cabinet body, and a first heat dissipation hole is formed in the side wall of the inner cabinet body and located above the second through hole.
Through adopting above-mentioned technical scheme, the setting of first through-hole, first louvre and second through-hole can play the radiating action, the setting of the outer cabinet body and the inner cabinet body can prevent that external rainwater from directly invading the inner cabinet at electrical component place internal, in order to play and prevent the rainwater invasion, waterproof effect, after external rainwater gets into the internal portion of outer cabinet, because the height of first louvre is higher than the second through-hole, consequently the rainwater can directly be discharged through the second through-hole, thereby improve waterproof performance when guaranteeing heat dissipation function.
Optionally, a notch is formed in the inner cabinet body through the position, close to the first heat dissipation hole, of the inner cabinet body, and a flat plate and a first inclined plate located below the flat plate are arranged on the inner side wall, close to the notch, of the inner cabinet body; the first heat dissipation holes are formed in the flat plate, one side of the first inclined plate is fixedly connected to the flat plate, and the other side of the first inclined plate is vertically and obliquely arranged downwards; the side outer side of the inner cabinet body close to the first heat dissipation hole is provided with a second inclined plate, and the second inclined plate is arranged in a manner of inclining downwards vertically on one side far away from the inner cabinet body.
Through adopting above-mentioned technical scheme, the effect of protection first louvre can be played in breach and dull and stereotyped setting for first louvre is sunken to be set up towards the direction that is close to the internal cabinet body, and in addition, the setting of first swash plate and second swash plate can play and block the effect that the rainwater is close to first louvre, discharges in order to guide the rainwater from the second through-hole, avoids rainwater eye internal cabinet lateral wall to slide into in the first louvre.
Optionally, a flow guide surface is arranged on the side wall of the second inclined plate far away from the inner cabinet body.
Through adopting above-mentioned technical scheme, the setting up of water conservancy diversion face makes the rainwater that flows to on the second swash plate drip fast for the discharge rate of rainwater.
Optionally, the side walls of the first through hole and the second through hole are detachably connected with filter screens.
By adopting the technical scheme, the arrangement of the filter screen can play a role in filtering dust, and the situation that the dust enters the outer cabinet body through the first through hole and the second through hole to block the first heat dissipation hole and even enters the inner cabinet body to contaminate electrical components is avoided; the filter screen can be dismantled and the filter screen is convenient for regularly dismantle in the connection of dismantling of filter screen, avoids the filter screen jam and influences heat dissipation and drainage.
Optionally, a fixed plate is vertically arranged on the top wall of the inner cabinet body and positioned in the middle of the top wall, a plurality of mounting frames are respectively arranged on two sides of the fixed plate along the length direction of the fixed plate, each mounting frame comprises a mounting rod and a mounting plate fixedly sleeved on the mounting rod, and mounting grooves for inserting the mounting plates are respectively arranged on two sides of the fixed plate; each installation pole all rotates to be connected in the mounting groove that is close to mutually with it, lies in adjacent two with one side it has the space of stepping down that supplies the fixed plate pivoted to reserve between the fixed plate.
Through adopting above-mentioned technical scheme, on the one hand make full use of the inside space of the internal portion of internal cabinet to install electrical components, on the other hand when needs overhaul electrical components on the mounting panel of keeping away from the cabinet door, thereby can rotate 90 degrees to the mounting groove in as the center with the installation pole that corresponds the position with the mounting panel that is close to cabinet door department rotates anticlockwise to make electrical components on the mounting panel of keeping away from the cabinet door can show in the front of operating personnel and make things convenient for operating personnel to overhaul.
Optionally, each mounting plate is provided with an embedding groove for mounting a power supply element, a micro air blower is arranged inside each mounting plate, the micro air blower is communicated with a blowing pipe, the side wall of the blowing pipe is provided with a plurality of blowing holes along the length direction of the blowing pipe in a penetrating manner, and the blowing holes face the electrical appliance element; the side wall of the electrical appliance element, which deviates from the corresponding position, of the embedding groove is provided with a plurality of second heat dissipation holes.
Through adopting above-mentioned technical scheme, through starting micro-blower, the air that blows out in the hole of blowing is just to electrical components to further play the effect that improves the internal radiating effect of interior cabinet.
Optionally, each mounting panel roof all inlays admittedly has the magnet piece, each mounting panel roof all inlays inherently and attracts the solid absorption iron sheet with magnet piece magnetism.
Through adopting above-mentioned technical scheme, when the mounting panel rotated and inserted and locate in the mounting groove, the magnet piece can the fixed mounting panel with the rotation position that sets up of adsorbing the iron sheet to stably insert the mounting panel and locate in the mounting groove.
Optionally, the mounting frame further comprises mounting blocks symmetrically arranged at two ends of the butt joint rod, and two ends of the butt joint rod are respectively and rotatably connected to the mounting blocks at corresponding positions; the utility model discloses a cabinet structure, including the installation pole, the installation pole is kept away from to the installation pole, the installation pole is equipped with the installation piece, the installation piece is equipped with the locking piece that is used for fixing inserting the installation piece and locates to dock inslot, the installation piece is equipped with the locking piece that sets up the installation piece and is used for the installation piece to fix the butt joint of inserting.
Through adopting above-mentioned technical scheme, when the mounting panel that will dismantle when taking out the interior cabinet body, can insert the mounting groove with lieing in all the other mounting panels of this mounting panel outside in, break away from the butt joint groove that corresponds the position with the installation piece again to realize being connected with dismantling of fixed plate to the mounting panel.
Optionally, each of the side walls of the mounting block is provided with a guide surface for facilitating quick insertion into the mounting groove at the corresponding position.
Through adopting above-mentioned technical scheme, the setting up of spigot surface has reduced the resistance when installation piece inserts the mounting hole inside to improve the installation effectiveness of mounting bracket.
Optionally, each the mounting panel is kept away from the lateral wall of installation piece department and all is provided with the handle, each the handle lateral wall all is provided with anti-skidding cover.
Through adopting above-mentioned technical scheme, the setting of handle and antiskid cover is convenient for operating personnel more conveniently and stably loads and unloads the mounting panel in interior cabinet internally, improves the convenient installation of mounting panel.
In summary, the present application includes at least one of the following beneficial technical effects:
the arrangement of the first through hole, the first heat dissipation hole and the second through hole can play a role in heat dissipation, the arrangement of the outer cabinet body and the inner cabinet body can prevent external rainwater from directly invading the inner cabinet body where the electrical component is located so as to play a role in preventing rainwater from invading and preventing water, and after the external rainwater enters the inner part of the outer cabinet body, the first heat dissipation hole is higher than the second through hole, so that the rainwater can be directly discharged through the second through hole, and the functions of heat dissipation and water prevention are realized;
2. the arrangement of the fixed plate and the mounting rack fully utilizes the space inside the inner cabinet body to mount electrical elements on one hand, and on the other hand, when the electrical elements on the mounting plate far away from the cabinet door need to be overhauled, the mounting plate close to the cabinet door can be rotated counterclockwise by 90 degrees by taking the mounting rod at the corresponding position as a center so as to be rotated into the mounting groove, so that the electrical elements on the mounting plate far away from the cabinet door can be displayed in front of operators;
3. when the mounting panel that the needs will be dismantled takes out the interior cabinet body, can insert the mounting groove with lieing in all the other mounting panels of this mounting panel outside in, break away from the butt joint groove of corresponding position with the installation piece again to realize being connected with dismantling of mounting panel and fixed plate.
Drawings
Fig. 1 is a schematic structural diagram of a high-voltage distribution cabinet in an embodiment;
FIG. 2 is a sectional view for showing a positional relationship between the inner cabinet and the outer cabinet in the embodiment;
fig. 3 is a partial sectional view for embodying the internal structure of the inner cabinet in the embodiment;
fig. 4 is an exploded view showing the positional relationship between the mounting frame and the fixing plate in the embodiment.
Description of reference numerals: 1. an outer cabinet body; 11. a cabinet door; 12. a first through hole; 13. a second through hole; 131. a ring groove; 132. filtering with a screen; 133. a rubber ring; 2. an inner cabinet body; 21. a notch; 22. a flat plate; 221. a first heat dissipation hole; 23. a first sloping plate; 24. a second swash plate; 241. a flow guide surface; 25. a fixing plate; 251. mounting grooves; 2511. adsorbing iron sheets; 252. a butt joint groove; 253. a locking member; 2531. a lock lever; 2532. a locking piece; 2533. a locking hole; 26. a cabinet foot; 3. a mounting frame; 31. mounting a plate; 311. an embedding groove; 312. a second heat dissipation hole; 313. a cavity; 314. a micro blower; 315. a blowpipe; 316. an air blowing hole; 317. fixing grooves; 318. a handle; 3181. an anti-slip sleeve; 319. a magnet piece; 32. mounting blocks; 321. a guide surface; 33. mounting a rod; 34. a space of abdicating; 35. and (5) yielding gaps.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a high-voltage power distribution cabinet. Referring to fig. 1, the high-voltage power distribution cabinet comprises an outer cabinet body 1 and an inner cabinet body 2 positioned inside the outer cabinet body 1, wherein the same sides of the outer cabinet body 1 and the inner cabinet body 2 are both open, and the side walls of the outer cabinet body 1 and the inner cabinet body 2 close to the openings are both rotatably connected with cabinet doors 11; the 2 upper ends of the inner cabinet body are welded with the top wall inside the outer cabinet body 1, the cabinet feet 26 are vertically welded at the lower end of the inner cabinet body 2, and the cabinet feet 26 are fixedly welded on the bottom wall inside the outer cabinet body 1.
Referring to fig. 1 and 2, a first through hole 12 is formed in the top wall of the outer cabinet body 1 and located at the periphery of the inner cabinet body 2 in a penetrating manner along the circumferential direction of the inner cabinet body 2, and a second through hole 13 is formed in the side wall of the outer cabinet body 1 and located below the side wall; notches 21 are formed in the two side walls of the inner cabinet body 2 and above the two side walls, a flat plate 22 and a first inclined plate 23 are welded in the inner cabinet body 2 and on the side wall of the inner cabinet body 2 close to each notch 21, the first inclined plate 23 is located below the flat plate 22, one side of the first inclined plate 23 is fixedly welded on the flat plate 22, and the other side of the first inclined plate 23 is vertically, obliquely downwards and fixedly welded on the side wall of the inner cabinet body 2; the flat plate 22 is disposed along the length direction of the notch 21, and a plurality of first heat dissipation holes 221 are formed through the outer surface of the flat plate 22.
Referring to fig. 2 and 3, a filter screen 132 is disposed in each of the first through hole 12 and the second through hole 13, a rubber ring 133 is fixedly bonded to an outer side wall of the filter screen 132 along a circumferential direction thereof, and a ring groove 131 into which the rubber ring 133 is inserted is formed in each of side walls of the first through hole 12 and the second through hole 13 along the circumferential direction thereof.
Referring to fig. 2, the inner cabinet 2 is welded with the second inclined plate 24 toward the side wall of the notch 21, the second inclined plate 24 is inclined vertically and downwardly away from one side of the inner cabinet 2, and the second inclined plate 24 is provided with a flow guide surface 241 on the side wall of the inner cabinet 2 away from the inner cabinet, so that rainwater entering the inner cabinet 2 from the first through hole 12 can drop rapidly under the guide of the second inclined plate 24 and the flow guide surface 241.
Referring to fig. 3 and 4, a fixing plate 25 is vertically welded on the top wall of the inner cabinet 2 and located in the middle of the inner cabinet, a plurality of mounting brackets 3 are respectively arranged on two sides of the fixing plate 25, each mounting bracket 3 comprises two mounting blocks 32, a mounting rod 33 rotatably connected between the two mounting blocks 32, and a mounting plate 31 fixedly sleeved on the mounting rod 33; the sidewall of each mounting plate 31 is provided with an embedding slot 311 for embedding the power supply device along the thickness direction thereof, and the sidewall of each embedding slot 311 is provided with a plurality of second heat dissipation holes 312.
Referring to fig. 3 and 4, a cavity 313 is formed inside each mounting plate 31 and above the embedding groove 311, a micro blower 314 is embedded inside each cavity 313, each micro blower 314 is communicated with a blowing pipe 315, each blowing pipe 315 penetrates through the cavity 313 and is located in the embedding groove 311, and a plurality of blowing holes 316 are formed in the side wall of each blowing pipe 315.
Referring to fig. 3 and 4, mounting grooves 251 into which the mounting plates 31 are inserted are respectively formed at both sides of the fixing plate 25, a magnet piece 319 is embedded in the top wall of each mounting plate 31, and an adsorption iron piece 2511 magnetically attracted to the magnet piece 319 is embedded in the inner wall of each mounting groove 251; the side wall of the fixing plate 25 near each mounting groove 251 is provided with a docking groove 252 for each mounting block 32 to be inserted, and the docking groove 252 is communicated with the mounting groove 251.
Referring to fig. 3 and 4, each of the side walls of the mounting blocks 32 is provided with a guide surface 321 for facilitating the quick insertion of the mounting block 32 into the docking slot 252; the lateral wall that the fixed plate 25 is close to each butt joint groove 252 department all is provided with and is used for steadily inserting the installation piece 32 and locate the locking piece 253 in butt joint groove 252, and locking piece 253 includes the locking pole 2531 that welds perpendicularly on fixed plate 25, cup joints the locking piece 2532 on locking pole 2531, runs through on the locking piece 2532 and offers the locking hole 2533 that supplies locking pole 2531 to slide.
Referring to fig. 3 and 4, a yielding space 34 for the mounting plate 31 to be inserted into the mounting groove 251 is reserved between two adjacent mounting plates 31 located on the same side, a fixing groove 317 is respectively formed in one side of each mounting plate 31 away from the fixing plate 25, a handle 318 is rotatably connected in each fixing groove 317, an anti-slip sleeve 3181 made of rubber is sleeved on each handle 318, a yielding gap 35 is reserved between one side of each fixing plate 25 close to the handle 318 and the side wall of the inner cabinet 2, the mounting block 32 can be separated from the mounting groove 251 in the corresponding position due to the arrangement of the yielding gap 35, and the mounting plates 31 can be taken out from the inner cabinet 2.
The implementation principle of the high-voltage power distribution cabinet in the embodiment of the application is as follows: inserting the mounting block 32 of each mounting plate 31 into the docking slot 252 by holding the handle 318, and sliding the locking piece 2532 in a direction close to the docking slot 252, so that the docking piece moves and fits to the outer side wall of the mounting block 32; then, the electrical components are loaded into each of the embedding slots 311, and the micro blower 314 on each of the mounting blocks 32 is activated to dissipate heat of the electrical components.
When the mounting plate 31 far away from the cabinet door 11 needs to be overhauled or taken out, the mounting plate 31 near the cabinet door 11 can be rotated and inserted into the mounting groove 251, and then the mounting block 32 on the mounting plate 31 to be taken out can be taken out from the corresponding butting groove 252.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a high voltage distribution cabinet which characterized in that: the cabinet comprises an outer cabinet body (1) and an inner cabinet body (2) which is positioned in the outer cabinet body (1) and used for installing electrical components, wherein the same side of the outer cabinet body (1) and the inner cabinet body (2) is open, and cabinet doors (11) are arranged at the openings of the outer cabinet body (1) and the inner cabinet body (2); the cabinet is characterized in that a first through hole (12) is formed in the top of the outer cabinet body (1), the first through hole (12) is located on the periphery of the inner cabinet body (2), a second through hole (13) is formed in the side wall of the outer cabinet body (1) and located below the side wall of the outer cabinet body, and a first heat dissipation hole (221) is formed in the side wall of the inner cabinet body (2) and located above the second through hole (13).
2. A high voltage distribution cabinet according to claim 1, characterized in that: a notch (21) is formed in the inner cabinet body (2) close to the first heat dissipation hole (221) in a penetrating mode, and a flat plate (22) and a first inclined plate (23) located below the flat plate (22) are arranged on the inner side wall of the inner cabinet body (2) close to the notch (21); the first heat dissipation holes (221) are formed in the flat plate (22), one side of the first inclined plate (23) is fixedly connected to the flat plate (22), and the other side of the first inclined plate (23) is vertically arranged in a downward inclined mode; the outer side of the inner cabinet body (2) close to the first heat dissipation hole (221) is provided with a second inclined plate (24), and the second inclined plate (24) is arranged to be vertically inclined downwards at one side far away from the inner cabinet body (2).
3. A high voltage distribution cabinet according to claim 2, characterized in that: a flow guide surface (241) is arranged on the side wall of the second inclined plate (24) far away from the inner cabinet body (2).
4. A high voltage distribution cabinet according to claim 3, characterized in that: the side walls of the first through hole (12) and the second through hole (13) are detachably connected with a filter screen (132).
5. A high voltage distribution cabinet according to claim 1, characterized in that: a fixing plate (25) is vertically arranged on the top wall in the inner cabinet body (2) and positioned in the middle of the inner cabinet body, a plurality of mounting frames (3) are respectively arranged on two sides of the fixing plate (25) along the length direction of the fixing plate, each mounting frame (3) comprises a mounting rod (33) and a mounting plate (31) fixedly sleeved on the mounting rod (33), and mounting grooves (251) for the mounting plates (31) to be inserted are respectively arranged on two sides of the fixing plate (25); each mounting rod (33) is rotatably connected in a mounting groove (251) close to the mounting rod, and an abdicating space (34) for the fixing plate (25) to rotate is reserved between every two adjacent fixing plates (25) on the same side.
6. A high voltage distribution cabinet according to claim 5, characterized in that: each mounting plate (31) is provided with an embedded groove (311) for mounting a power supply element, a micro air blower (314) is arranged inside each mounting plate (31), the micro air blower (314) is communicated with a blowing pipe (315), the side wall of the blowing pipe (315) penetrates along the length direction of the blowing pipe to be provided with a plurality of blowing holes (316), and the blowing holes (316) face the electrical element; the side wall of the electrical appliance element of the embedding groove (311) departing from the corresponding position is provided with a plurality of second heat dissipation holes (312).
7. A high voltage distribution cabinet according to claim 6, characterized in that: a magnet piece (319) is embedded in the top wall of each mounting plate (31), and an adsorption iron piece (2511) which is magnetically attracted and fixed with the magnet piece (319) is embedded in the top wall of each mounting groove (251).
8. A high voltage distribution cabinet according to claim 7, characterized in that: the mounting frame (3) further comprises mounting blocks (32) symmetrically arranged at two ends of the butt joint rod, and two ends of the butt joint rod are respectively and rotatably connected to the mounting blocks (32) at corresponding positions; the utility model discloses a cabinet structure, including mounting groove (251), mounting panel (31), installation piece (32) and inner cabinet body (2), the butt joint groove (252) that supplies installation piece (32) to insert to establish is seted up to mounting groove (251) lateral wall, it has the space of stepping down that supplies mounting panel (31) to break away from mounting groove (251) and take out inner cabinet body (2) to reserve between one side and the inner cabinet body (2) of butt joint pole department in mounting panel (31), each all be provided with on mounting panel (31) and be used for fixing inserting locking piece (253) of locating in butt joint groove.
9. A high voltage distribution cabinet according to claim 8, characterized in that: each mounting block (32) side wall is provided with a guide surface (321) which is convenient for the mounting block to be quickly inserted into the mounting groove (251) at the corresponding position.
10. A high voltage distribution cabinet according to claim 8, characterized in that: each side wall of the mounting plate (31) far away from the mounting block (32) is provided with a handle (318), and the outer side wall of each handle (318) is provided with an anti-skidding sleeve (3181).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510004.6A CN112688183A (en) | 2020-12-19 | 2020-12-19 | High-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011510004.6A CN112688183A (en) | 2020-12-19 | 2020-12-19 | High-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112688183A true CN112688183A (en) | 2021-04-20 |
Family
ID=75450332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011510004.6A Pending CN112688183A (en) | 2020-12-19 | 2020-12-19 | High-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN112688183A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113851959A (en) * | 2021-10-27 | 2021-12-28 | 河南吉诚电力工程有限公司 | Power system for power distribution project and construction method thereof |
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| CN206743470U (en) * | 2017-04-28 | 2017-12-12 | 天津英索斯科技发展有限公司 | Network switch integrated stand |
| CN207801274U (en) * | 2018-01-26 | 2018-08-31 | 广东粤明动力有限公司 | A kind of heat dissipation power distribution cabinet |
| CN209249981U (en) * | 2018-12-14 | 2019-08-13 | 南京八度阳光太阳能科技有限公司 | A kind of solar energy distribution box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104600595A (en) * | 2014-12-31 | 2015-05-06 | 大连华锐重工集团股份有限公司 | Electric control cabinet with internal rotary multi-layer element mounting plates |
| CN204558953U (en) * | 2015-04-14 | 2015-08-12 | 丰顺县梅丰水电发展有限公司 | A kind of hydroelectric station Special distribution cabinet |
| CN204558957U (en) * | 2015-04-15 | 2015-08-12 | 国家电网公司 | A kind of high-voltage ring main unit |
| JP2017200298A (en) * | 2016-04-26 | 2017-11-02 | 株式会社東芝 | Outdoor distribution board |
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| CN113851959A (en) * | 2021-10-27 | 2021-12-28 | 河南吉诚电力工程有限公司 | Power system for power distribution project and construction method thereof |
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Effective date of abandoning: 20230929 |