CN110676730A - Firm embedded power distribution cabinet capable of improving heat extraction efficiency - Google Patents
Firm embedded power distribution cabinet capable of improving heat extraction efficiency Download PDFInfo
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- CN110676730A CN110676730A CN201911040071.3A CN201911040071A CN110676730A CN 110676730 A CN110676730 A CN 110676730A CN 201911040071 A CN201911040071 A CN 201911040071A CN 110676730 A CN110676730 A CN 110676730A
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- power distribution
- distribution cabinet
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- water tank
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- 238000009826 distribution Methods 0.000 title claims abstract description 90
- 238000000605 extraction Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 24
- 230000000149 penetrating effect Effects 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 8
- 241001233242 Lontra Species 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 8
- 239000004744 fabric Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010029216 Nervousness Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- H02B1/30—Cabinet-type 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
- H02B1/40—Wall-mounted casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of power distribution cabinets, in particular to a stable embedded power distribution cabinet for improving heat extraction efficiency, which comprises a power distribution cabinet body, wherein a support column is arranged on the outer wall of the power distribution cabinet body, the other end of the support column is fixed on the inner wall of a protection frame, the protection frame is sleeved on the outer side of the power distribution cabinet body, a water tank is arranged between the protection frame and the power distribution cabinet body, a concave groove is formed in the outer wall of the water tank, a guide rod is arranged on the surface of the concave groove, and the guide rod is inserted on; the beneficial effects are that: the water tank is additionally arranged on the outer side of the stable embedded power distribution cabinet for improving the heat extraction efficiency, the water tank is supported by the support columns, cooling liquid is filled into the water tank through the water injection pipes, the cooling liquid is wrapped on the outer side of the power distribution cabinet to cool the power distribution cabinet, and the support columns penetrate through the extending parts of the water tank to conveniently dissipate heat of the cooling liquid to achieve cooling of the cooling liquid.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a stable embedded power distribution cabinet capable of improving heat extraction efficiency.
Background
The power distribution cabinet is the final-stage equipment of a power distribution system, is a general name of a motor control center, and is used in occasions with dispersed loads and less loops; the motor control center is used for the occasions with concentrated loads and more loops, and distributes the electric energy of a certain circuit of the upper-level distribution equipment to the nearby loads, and the equipment provides protection, monitoring and control for the loads;
in the prior art, in a building site, in order to avoid the influence on the carrying of building materials caused by the fact that a power distribution cabinet protrudes out of a wall surface and is large in size, and the power distribution cabinet collides with the power distribution cabinet in the construction process of personnel, the power distribution cabinet is installed in a wall body in an embedded mode, after the power distribution cabinet is embedded, in order to avoid the power distribution cabinet from shaking inside a notch, the outer wall of the power distribution cabinet is tightly attached to the inner wall of the notch after installation; the power distribution cabinet is only fixed to the power distribution cabinet at the notch of the wall body, and the part of the power distribution cabinet, which is positioned in the groove body, is lack of a traction fixing structure and is easy to incline towards the outer side of the notch, so that the fixing screw rod is easy to bend after the power distribution cabinet is inclined for a long time; the power distribution cabinet can not actively dissipate heat, an exhaust fan is usually additionally arranged on the upper portion of the power distribution cabinet to assist in heat dissipation, the exhaust fan is of an open structure, when heat dissipation is carried out, dust enters the power distribution cabinet, and the dust is adsorbed on the surface of electric parts in the power distribution cabinet, so that the work of the electric parts is influenced, and even the electric parts are damaged; and the heat dissipation is realized only by the exhaust fan, so that the side plate of the box body of the power distribution cabinet cannot be cooled.
Disclosure of Invention
The invention aims to provide a stable embedded power distribution cabinet for improving heat extraction efficiency so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a stable embedded power distribution cabinet for improving heat extraction efficiency comprises a power distribution cabinet body, wherein a support column is arranged on the outer wall of the power distribution cabinet body, the other end of the support column is fixed on the inner wall of a protection frame, the protection frame is sleeved on the outer side of the power distribution cabinet body, a water tank is arranged between the protection frame and the power distribution cabinet body, a concave groove is arranged on the outer wall of the water tank, a guide rod is arranged on the surface of the concave groove, the guide rod is inserted on the surface of a handle disc, a wall penetrating rod is arranged on the surface of the handle disc, the wall penetrating rod is screwed on the surface of a rotary disc, a traction ring is arranged on the surface of the rotary disc, the traction ring is rotatably connected inside a limit ring groove, the limit ring groove is arranged on the inner wall of the protection frame, an air box is arranged on the top surface of the inner side of the power distribution cabinet, the blast pipe runs through switch board body and water tank setting simultaneously, and the top surface of switch board body is provided with the water injection pipe, the mouth of pipe department of water injection pipe sets up to peg graft and has the chock plug, and the water injection pipe is pegged graft in the socket, the socket is seted up on the roof of protective frame.
Preferably, the protection frame is a rectangular frame structure, the open direction of the protection frame is the same as the direction of the door plate of the power distribution cabinet body, the water tank is wrapped outside the five side plate surfaces of the power distribution cabinet body, and only the door plate of the power distribution cabinet body is not wrapped.
Preferably, the support column is provided with five groups, and five groups of support columns are arranged respectively on five faces of the power distribution cabinet body, and the body of rod of the support column is sleeved with a rubber ring.
Preferably, the sunken groove is "Contraband" font structure, and the sunken groove is located the high center department of water tank, and the guide bar is provided with two sets ofly, and two sets ofly the guide bar is around the high center symmetry distribution of sunken groove.
Preferably, the surface of carousel is provided with the handle pole, and the handle pole is provided with a plurality ofly, and a plurality of handle poles arrange along the circular arc side of carousel and distribute, and spacing annular all is the ring structure that the section is "T" font with the tractive ring, and spacing annular carries on spacingly to the tractive ring.
Preferably, the blast pipe is provided with a plurality ofly, and a plurality of blast pipes are the circumference and arrange on the roof of switch board body, are provided with the backing ring on the inner wall of blast pipe, the upper portion of backing ring is provided with the sack piece, the upper portion of sack piece is provided with down the clamping ring, be provided with the otter board on the interior anchor ring of clamping ring down.
Preferably, an external thread is arranged on the outer annular surface of the lower pressure ring, an internal thread is arranged on the inner wall of the exhaust pipe, the internal thread is connected with the external thread in a matched mode, and a finger groove is formed in the top surface of the lower pressure ring.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. the outer side of the stable embedded power distribution cabinet for improving the heat extraction efficiency is connected with the protection frame through the support columns, a heat dissipation space is formed between the protection frame and the power distribution cabinet, the power distribution cabinet is prevented from being attached to the surface of an outer side structure to influence heat dissipation, the exhaust fan is fixed on the air box to form an isolation cavity, the heat dissipation of the power distribution cabinet is facilitated by matching with the exhaust pipe, and the bag pieces additionally arranged in the exhaust pipe can block external dust while heat dissipation is achieved;
2. the water tank is additionally arranged on the outer side of the stable embedded power distribution cabinet for improving the heat extraction efficiency, the water tank is supported by the support columns, cooling liquid is filled into the water tank through the water injection pipes, the cooling liquid is wrapped on the outer side of the power distribution cabinet to cool the power distribution cabinet, and the part of the support columns penetrating through the water tank is convenient for dissipating heat of the cooling liquid outwards to cool the cooling liquid, so that the side plates of the cabinet body of the power distribution cabinet are conveniently cooled;
3. according to the stable embedded power distribution cabinet for improving the heat extraction efficiency, the fixing assembly is additionally arranged in the protection frame, the rotary table is rotated to drive the wall penetrating rod to be inserted into the reserved hole in the inner wall of the groove body, the part of the protection frame in the groove body is pulled, the gravity center of the power distribution cabinet is always in the groove body of the wall body, and the power distribution cabinet is prevented from loosening from the inside of the groove body and falling.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of an exhaust pipe according to the present invention.
In the figure: the power distribution cabinet comprises a power distribution cabinet body 1, a support column 2, a protective frame 3, a water tank 4, a rubber ring 5, a recessed groove 6, a guide rod 7, a handle disc 8, a wall penetrating rod 9, a rotary disc 10, a traction ring 11, a limiting ring groove 12, a handle rod 13, a bellows 14, an exhaust fan 15, an exhaust pipe 16, a backing ring 17, a cloth bag sheet 18, a pressing ring 19, a screen plate 20, a finger groove 21, a water injection pipe 22, a plug 23 and a socket 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a stable embedded power distribution cabinet for improving heat extraction efficiency comprises a power distribution cabinet body 1, wherein support columns 2 are welded on the outer wall of the power distribution cabinet body 1, the support columns 2 are of a circular cylinder structure, five groups of support columns 2 are arranged on five plate surfaces of the power distribution cabinet body 1 respectively, rubber rings 5 are sleeved on a rod body of each support column 2, the rubber rings 5 are wrapped on the outer sides of welding belts of the support columns 2 on the inner wall of a protective frame 3 and the outer wall of the support columns 2 on the outer wall of a water tank 4 to protect the external welding belts, the other ends of the support columns 2 are welded on the inner wall of the protective frame 3, the protective frame 3 is sleeved on the outer side of the power distribution cabinet body 1, a water tank 4 is arranged between the protective frame 3 and the power distribution cabinet body 1, the protective frame 3 is of a rectangular frame structure, the opening direction of the protective frame 3 is the same as the arrangement direction of a, only the door plate of the power distribution cabinet body 1 is not wrapped, the water injection pipe 22 is welded on the top surface of the power distribution cabinet body 1, a plug 23 is arranged at the pipe orifice of the water injection pipe 22 in an inserting mode, the water injection pipe 22 is inserted into a socket 24, the socket 24 is arranged on the top plate of the protective frame 3, the plug 23 at the end part of the water injection pipe 22 is pulled out, cooling liquid is injected into the water tank 4, after the filling is finished, the plug 23 is continuously plugged at the pipe orifice of the water injection pipe 22, the cooling liquid in the water tank 4 is wrapped on the outer side of the power distribution cabinet body 1 to cool the power distribution cabinet body 1, and the part, extending out of the support column 2 through the water tank 4, facilitates the heat of the cooling liquid to be dissipated outwards;
the outer wall of the water tank 4 is provided with a sunken groove 6, the surface of the sunken groove 6 is welded with guide rods 7, the sunken groove 6 is in a Contraband-shaped structure, the sunken groove 6 is positioned at the height center of the water tank 4, the guide rods 7 are arranged in two groups, the two groups of guide rods 7 are symmetrically distributed about the height center of the sunken groove 6, the guide rods 7 are inserted on the surface of a handle disc 8, the surface of the handle disc 8 is welded with wall penetrating rods 9, the wall penetrating rods 9 are screwed on the surface of a rotary disc 10, the surface of the rotary disc 10 is welded with a traction ring 11, the traction ring 11 is rotatably connected inside a limit ring groove 12, the limit ring groove 12 is arranged on the inner wall of the protective frame 3, the surface of the rotary disc 10 is provided with a plurality of handle rods 13, the handle rods 13 are arranged along the arc side edge of the rotary disc 10, the limit ring groove 12 and the traction ring 11 are both in a ring, the limiting ring groove 12 limits the traction ring 11, the handle rod 13 is pulled to drive the rotary disc 10 to rotate, the rotary disc 10 is pulled by the traction ring 11 to rotate along the limiting ring groove 12, the rotary disc 10 is in threaded connection with the wall penetrating rod 9, and the handle disc 8 at the end part of the wall penetrating rod 9 is limited by the two groups of guide rods 7 and cannot rotate, so that when the rotary disc 10 rotates, the handle disc 8 moves along the guide rods 7, and meanwhile, the wall penetrating rod 9 is inserted into a reserved hole in the groove body to pull the protection frame 3;
the top surface of the inner side of the power distribution cabinet body 1 is welded with an air box 14, the lower end of the air box 14 is provided with an exhaust fan 15 through a screw, the top plate of the power distribution cabinet body 1 is inserted with an exhaust pipe 16, the exhaust pipe 16 simultaneously penetrates through the power distribution cabinet body 1 and the water tank 4, the exhaust pipe 16 is provided with a plurality of exhaust pipes 16, the exhaust pipes 16 are arranged on the top plate of the power distribution cabinet body 1 in a circumferential manner, the inner wall of the exhaust pipe 16 is provided with a backing ring 17, the upper part of the backing ring 17 is provided with a bag sheet 18, the upper part of the bag sheet 18 is provided with a lower pressing ring 19, the inner annular surface of the lower pressing ring 19 is provided with a screen plate 20, the outer annular surface of the lower pressing ring 19 is provided with an external thread, the inner wall of the exhaust pipe 16 is provided with an internal thread, the internal thread is connected with the external thread, the cloth bag piece 18 additionally arranged in the exhaust pipe 16 can block external dust while heat dissipation is achieved, the finger is buckled in the finger groove 21 to upwards screw the lower pressing ring 19, and the cloth bag piece 18 is convenient to replace and clean after the lower pressing ring 19 is taken out of the exhaust pipe 16.
The working principle is as follows: during actual work, the distance between the opening of the protective frame 3 and the wall penetrating rod 9 is measured, then the distance is measured inwards at the opening of the wall groove body at the same distance, a reserved hole is formed at the measuring point by means of an electric drill, then the plug 23 at the end part of the water injection pipe 22 is pulled out, cooling liquid is injected into the water tank 4, after the filling is finished, the plug 23 is continuously plugged at the pipe opening of the water injection pipe 22, then the protective frame 3 is lifted and pushed into the groove body of the wall body, the application document does not describe the fixation of the opening side plate and the groove opening of the groove body of the protective frame 3 in detail, because the realization mode is too many, the simplest method is to fix an angle plate on the side plate of the protective frame 3, the angle plate is fixed on the outer side wall body of the angle plate by arranging the wall penetrating rod on the angle plate, in order to improve the stability of the protective frame 3 in the groove body, the handle rod 13 is pulled to drive the rotary, and the rotary table 10 is in threaded connection with the wall-through rod 9, and the handle disc 8 at the end of the wall-through rod 9 is limited by the two groups of guide rods 7 and can not rotate, therefore, when the rotary table 10 rotates, the handle disc 8 moves along the guide rods 7, meanwhile, the wall-through rod 9 is inserted in a reserved hole in the tank body to draw the protective frame 3, the water tank 4 is supported by the support column 2, the cooling liquid in the water tank 4 is wrapped outside the power distribution cabinet body 1 to cool the power distribution cabinet body 1, the part of the support column 2 extending through the water tank 4 is convenient for dissipating the heat of the cooling liquid, so as to cool the cooling liquid, the power distribution cabinet body 1 is connected with the protective frame 3 through the support column 2, the space between the protective frame 3 and the power distribution cabinet body 1 is convenient for matching with the exhaust fan 15 to dissipate the heat in the power distribution cabinet body 1, the cloth bag 18 additionally arranged in, the finger tabs screw the hold-down ring 19 upwardly in the finger slots 21 to remove the hold-down ring 19 from the exhaust tube 16 for easy replacement of the cleaning cloth bag sheet 18.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a promote embedded switch board of firm type of heat extraction efficiency, includes switch board body (1), its characterized in that: the power distribution cabinet is characterized in that a supporting column (2) is arranged on the outer wall of the power distribution cabinet body (1), the other end of the supporting column (2) is fixed on the inner wall of a protective frame (3), the protective frame (3) is sleeved on the outer side of the power distribution cabinet body (1), a water tank (4) is arranged between the protective frame (3) and the power distribution cabinet body (1), a concave groove (6) is arranged on the outer wall of the water tank (4), a guide rod (7) is arranged on the surface of the concave groove (6), the guide rod (7) is inserted on the surface of a handle disc (8), a wall penetrating rod (9) is arranged on the surface of the handle disc (8), the wall penetrating rod (9) is in threaded connection with the surface of a rotary disc (10), a traction ring (11) is arranged on the surface of the rotary disc (10), the traction ring (11) is rotatably connected inside a limiting ring groove (12), and the limiting ring groove (12) is arranged, be provided with bellows (14) on the inboard top surface of switch board body (1), the lower extreme of bellows (14) is fixed with exhaust fan (15), and pegs graft on the roof of switch board body (1) and have blast pipe (16), blast pipe (16) run through switch board body (1) and water tank (4) setting simultaneously, and the top surface of switch board body (1) is provided with water injection pipe (22), the mouth of pipe department of water injection pipe (22) sets up to peg graft and has chock plug (23), and water injection pipe (22) are pegged graft in socket (24), socket (24) are seted up on the roof of protective frame (3).
2. The stable embedded power distribution cabinet for improving heat extraction efficiency according to claim 1, characterized in that: the protective frame (3) is of a rectangular frame structure, the opening direction of the protective frame (3) is the same as the direction of the door plate of the power distribution cabinet body (1), the water tank (4) is wrapped outside the five side plate surfaces of the power distribution cabinet body (1), and only the door plate of the power distribution cabinet body (1) is not wrapped.
3. The stable embedded power distribution cabinet for improving heat extraction efficiency according to claim 1, characterized in that: support column (2) are provided with five groups, and five groups of support column (2) are arranged respectively on five faces of switch board body (1), and the cover is equipped with rubber ring (5) on the body of rod of support column (2).
4. The stable embedded power distribution cabinet for improving heat extraction efficiency according to claim 1, characterized in that: the sunken groove (6) is "Contraband" font structure, sunken groove (6) are located the high center department of water tank (4), and guide bar (7) are provided with two sets ofly, and two sets ofly guide bar (7) are about the high central symmetry distribution of sunken groove (6).
5. The stable embedded power distribution cabinet for improving heat extraction efficiency according to claim 1, characterized in that: the surface of carousel (10) is provided with handle bar (13), and handle bar (13) are provided with a plurality ofly, and a plurality of handle bar (13) are arranged along the circular arc side of carousel (10) and are distributed, and spacing annular (12) and tractive ring (11) all are the ring structure that the section is "T" font, and spacing annular (12) are carried on spacingly to tractive ring (11).
6. The stable embedded power distribution cabinet for improving heat extraction efficiency according to claim 1, characterized in that: the exhaust pipe (16) are provided with a plurality of, and a plurality of exhaust pipes (16) are the circumference and arrange on the roof of switch board body (1), are provided with backing ring (17) on the inner wall of exhaust pipe (16), the upper portion of backing ring (17) is provided with sack piece (18), the upper portion of sack piece (18) is provided with down clamping ring (19), be provided with otter board (20) on the interior anchor ring of clamping ring (19) down.
7. The stable embedded power distribution cabinet capable of improving heat extraction efficiency according to claim 6, wherein: the outer ring surface of the lower pressing ring (19) is provided with external threads, the inner wall of the exhaust pipe (16) is provided with internal threads, the internal threads are matched and connected with the external threads, and the top surface of the lower pressing ring (19) is provided with a finger groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040071.3A CN110676730B (en) | 2019-10-29 | 2019-10-29 | Firm embedded power distribution cabinet capable of improving heat extraction efficiency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911040071.3A CN110676730B (en) | 2019-10-29 | 2019-10-29 | Firm embedded power distribution cabinet capable of improving heat extraction efficiency |
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| CN110676730A true CN110676730A (en) | 2020-01-10 |
| CN110676730B CN110676730B (en) | 2020-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260080A (en) * | 2020-09-29 | 2021-01-22 | 新昌县盛金祺机械有限公司 | Protection device of switch cabinet for wind power generation |
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| CN209313228U (en) * | 2019-01-16 | 2019-08-27 | 江苏鹏能电力科技有限公司 | A kind of Internet of Things power distribution cabinet |
| CN209545528U (en) * | 2019-03-14 | 2019-10-25 | 东旭新能源投资有限公司 | The photovoltaic combiner box of energy-saving cool-down |
| CN209472233U (en) * | 2019-03-19 | 2019-10-08 | 泉州亿力电气技术设备有限公司 | A kind of damping AC low voltage power switch box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260080A (en) * | 2020-09-29 | 2021-01-22 | 新昌县盛金祺机械有限公司 | Protection device of switch cabinet for wind power generation |
| CN112260080B (en) * | 2020-09-29 | 2022-08-09 | 甘肃中电酒泉第三风力发电有限公司 | Protection device of switch cabinet for wind power generation |
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| CN110676730B (en) | 2020-12-04 |
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