CN111181043A - Power distribution cabinet with cooling function - Google Patents
Power distribution cabinet with cooling function Download PDFInfo
- Publication number
- CN111181043A CN111181043A CN202010148522.1A CN202010148522A CN111181043A CN 111181043 A CN111181043 A CN 111181043A CN 202010148522 A CN202010148522 A CN 202010148522A CN 111181043 A CN111181043 A CN 111181043A
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- Prior art keywords
- top plate
- circular top
- shaft
- bottom plate
- plate
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a power distribution cabinet with a cooling function, which comprises a bottom plate and a circular top plate arranged in parallel with the bottom plate, wherein a plurality of connecting rods are uniformly arranged between the bottom plate and the circular top plate at intervals, and each connecting rod is hinged with a damping door; a plurality of vertical shafts are rotatably connected between the bottom plate and the circular top plate at positions close to the circle center of the circular top plate, and the vertical shafts and the damping doors are in one-to-one correspondence along the radial direction of the circular top plate; each vertical shaft is fixedly provided with an air deflector; first rotating shafts are rotatably connected between the corresponding air guide plates and the damping doors between the bottom plate and the circular top plate, and an installation plate is arranged on the outer circumferential side surface of each first rotating shaft; a blowing assembly is arranged between the bottom plate and the circular top plate at the center of the air deflectors; the circular top plate is provided with an adjusting component for controlling the synchronous rotation of the plurality of air deflectors; this switch board with cooling function only simple structure, the radiating effect is good moreover.
Description
Technical Field
The invention belongs to the technical field of power distribution cabinets, and particularly relates to a power distribution cabinet with a cooling function.
Background
Common switch boards on the market are mostly closed switch cabinets, and electric elements such as switches, protection, monitoring and control in the closed switch cabinets are all installed in a closed shell made of steel or insulating materials and are provided with switch doors. The closed switch cabinet has good sealing performance and high safety of electric shock prevention, but the heat dissipation performance is greatly reduced due to the good sealing performance, particularly in hot summer, the outside air temperature is high, heat generated by each element in the closed switch cabinet cannot be dissipated, and the elements are easily damaged due to high temperature, so that the normal use is influenced. In order to solve radiating problem, partial switch board has set up the fan in and has cooled down, but the air current that the fan drove is difficult to reach near each component, and the in-process that the hot gas flow was forced to flow can be to electric elements reheating along the way moreover, and the radiating effect is poor.
Disclosure of Invention
The invention aims to provide a power distribution cabinet with a cooling function, which is simple in structure and good in heat dissipation effect.
In order to achieve the purpose, the invention provides the following technical scheme:
a power distribution cabinet with a cooling function comprises a bottom plate and a circular top plate arranged in parallel with the bottom plate, wherein a plurality of connecting rods are uniformly arranged between the bottom plate and the circular top plate at intervals along the circumferential direction of the circular top plate, each connecting rod is hinged with a damping door, and a surrounding is formed between the bottom plate and the circular top plate when the damping doors are closed; a plurality of vertical shafts are rotatably connected between the bottom plate and the circular top plate at positions close to the circle center of the circular top plate, are uniformly arranged at intervals along the circumferential direction of the circular top plate and are in one-to-one correspondence with the damping doors along the radial direction of the circular top plate; each vertical shaft is fixedly provided with an air guide plate, and when each air guide plate is arranged along the radial direction vertical to the circular top plate, a plurality of air guide plates form enclosure between the bottom plate and the circular top plate; first rotating shafts are rotatably connected between the corresponding air guide plates and the damping door between the bottom plate and the circular top plate, and an installation plate is arranged on the outer circumferential side surface of each first rotating shaft and is used for installing electric elements and arranged in parallel with the air guide plates; a blowing assembly is arranged between the bottom plate and the circular top plate at the center of the air deflectors; and the round top plate is provided with an adjusting component for controlling the synchronous rotation of the air deflectors.
In a further technical scheme, the adjusting assembly comprises a gear ring, a main driving wheel, a driving gear and a driven wheel; the gear ring is rotatably connected to the upper surface of the circular top plate along the circumferential direction of the circular top plate, the upper end of each vertical shaft penetrates through the circular top plate and is detachably provided with a transmission gear, and each transmission gear is meshed with the inner side teeth of the gear ring; the circular top plate is provided with a convex shaft at the outer side of the gear ring, the driving gear is rotatably connected to the convex shaft and meshed with outer side teeth of the gear ring, the driven transmission wheel is rotatably connected to the convex shaft and integrally formed with the driving gear, the outer side of the circular top plate is rotatably connected with a handle rod arranged in the vertical direction, the main transmission wheel is fixedly arranged at the upper end of the handle rod, and a transmission belt is arranged between the main transmission wheel and the driven transmission wheel; this setting is passed through the twist grip, drives the final drive wheel and rotates, drives through the drive belt when the final drive wheel rotates and rotates from the drive wheel, drives the ring gear through the driving gear when rotating from the drive wheel and rotates, drives vertical axle through drive gear when the ring gear rotates and rotates, and then drives the aviation baffle and rotate.
In a further technical scheme, a through cutting groove is formed in the upper end of the vertical shaft along the radial direction, the vertical shaft is sleeved with a first step shaft, the first step shaft is located above the circular top plate, and the transmission gear is sleeved on the first step shaft; the side surface of the outer circumference of the first step shaft is provided with a first convex rib, the side wall of an inner hole of the transmission gear is provided with a rotation stopping groove for the first convex rib to extend into, the vertical shaft is provided with a second step shaft above the transmission gear, the second step shaft extends into the inner hole of the transmission gear, and the side surface of the outer circumference of the second step shaft is provided with a second convex rib extending into the rotation stopping groove; a positioning groove is formed in the upper end of the second step shaft along the radial direction of the vertical shaft, and a positioning block extending into the positioning groove is connected in the cutting groove in a sliding mode; the upper end of the vertical shaft is provided with an external thread, the upper end of the vertical shaft is connected with a screw cap in a threaded manner, and the screw cap presses the positioning block in the positioning groove; this setting can be convenient for drive gear's dismantlement and installation.
In a further technical scheme, a synchronous rod is hinged between each air deflector and the corresponding mounting plate, and the synchronous rods are used for controlling synchronous rotation of the air deflectors and the mounting plates and enabling the air deflectors and the mounting plates to be parallel to each other all the time.
In a further technical scheme, the blowing assembly comprises a motor, a rack is arranged at the center of the circular top plate, and the motor is mounted on the rack; the motor is characterized in that a second rotating shaft is rotatably connected between the bottom plate and the circular top plate, the upper end of the second rotating shaft extends out of the circular top plate and is coaxially and fixedly connected with an output shaft of the motor, a plurality of radial fan blades are arranged on the outer circumferential side face of the second rotating shaft in an extending mode, and a plurality of air inlets are formed in the circular top plate beside the rack.
In a further technical scheme, vertical sealing shafts are arranged between two adjacent air deflectors of the bottom plate, a sponge sleeve is sleeved on each vertical sealing shaft, and when the air deflectors form a surrounding, two sides of each air deflector are uniformly pressed on the sponge sleeves; the air guide plate is arranged on the air guide plate, so that the rotation of the air guide plate can be buffered, and the sealing performance of a plurality of air guide plates in enclosure can be guaranteed.
In a further technical scheme, the number of the connecting rods and the number of the vertical shafts are six.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
this mounting panel and aviation baffle can rotate in switch board with cooling function to form the wind channel between aviation baffle and the mounting panel, bottom plate and circular roof central point put and are equipped with the subassembly of blowing, the wind that the subassembly of blowing produced passes and forms the wind channel between aviation baffle and the mounting panel, go out from the damping gate, thereby can take away the heat that electric elements produced on the mounting panel, in addition, can change the trend in wind channel through rotating aviation baffle and mounting panel, and then can realize adjusting in real time according to the different operating modes of switch board.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a first exploded view of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a second exploded view of the present invention;
FIG. 5 is a schematic view of the wind flow direction;
FIG. 6 is a partial perspective view of the present invention;
FIG. 7 is a schematic view of the connection structure of the bottom plate and the circular top plate according to the present invention;
FIG. 8 is an exploded view showing the engagement between the driving gear and the vertical shaft in the present invention;
fig. 9 is an enlarged schematic view of a portion a in fig. 3.
Detailed Description
Referring to fig. 1-9, a power distribution cabinet with a cooling function includes a bottom plate 1 and a circular top plate 2 parallel to the bottom plate 1, six connecting rods 3 are uniformly arranged between the bottom plate 1 and the circular top plate 2 at intervals along the circumferential direction of the circular top plate 2, each connecting rod 3 is hinged with a damping door 4, the damping door 4 has a heavy weight, and can be pushed by human power due to friction force, and the general wind power is hard to blow. When the six damping doors 4 are closed, an enclosure is formed between the bottom plate 1 and the circular top plate 2; six vertical shafts 5 are rotatably connected between the bottom plate 1 and the circular top plate 2 at positions close to the circle center of the circular top plate 2, and the six vertical shafts 5 are uniformly arranged at intervals along the circumferential direction of the circular top plate 2 and are in one-to-one correspondence with the six damping doors 4 along the radial direction of the circular top plate 2; each vertical shaft 5 is fixedly provided with an air deflector 6, and when each air deflector 6 is arranged along the radial direction vertical to the circular top plate 2, six air deflectors 6 form enclosure between the bottom plate 1 and the circular top plate 2; first rotating shafts 7 are rotatably connected between the corresponding air guide plates 6 and the damping doors 4 between the bottom plate 1 and the circular top plate 2, an installation plate 8 is arranged on the outer circumferential side surface of each first rotating shaft 7, the installation plate 8 is used for installing electric elements, a synchronous rod 9 is hinged between each air guide plate 6 and the corresponding installation plate 8, and the synchronous rods 9 are used for controlling the synchronous rotation of the air guide plates 6 and the installation plates 8 and enabling the air guide plates 6 and the installation plates 8 to be parallel to each other all the time; a blowing assembly is arranged between the bottom plate 1 and the circular top plate 2 at the center positions of the six air deflectors 6; and an adjusting component for controlling the six air deflectors 6 to synchronously rotate is arranged on the circular top plate 2.
The adjusting assembly comprises a gear ring 10, a main driving wheel 11, a driving gear 12 and a driven driving wheel 13; six sections of arc-shaped convex rails 202 are uniformly arranged on the upper surface of the circular top plate 2 at intervals along the circumferential direction, the gear ring 10 is rotatably connected in an inner hole formed by the six sections of arc-shaped convex rails 202, the upper end of each vertical shaft 5 penetrates through the circular top plate 2 and is detachably provided with a transmission gear 14, and each transmission gear 14 is meshed with the inner side teeth of the gear ring 10; circular roof 2 is equipped with protruding axle 15 in the outside of ring gear 10, and driving gear 12 rotates to be connected on protruding axle 15 and with the outside tooth meshing of ring gear 10, rotate to connect on protruding axle 15 and with driving gear 12 integrated into one piece from drive wheel 13, the outside of circular roof 2 rotates and is connected with handle bar 16 along vertical direction setting, final drive wheel 11 fixed mounting is in the upper end of handle bar 16, final drive wheel 11 and from being equipped with drive belt 17 between the drive wheel 13.
A through cutting groove 51 is formed in the upper end of the vertical shaft 5 along the radial direction, the vertical shaft 5 is sleeved with a first step shaft 18, the first step shaft 18 is positioned above the circular top plate 2, and the transmission gear 14 is sleeved on the first step shaft 18; a first convex rib 181 is arranged on the side surface of the outer circumference of the first step shaft 18, a rotation stopping groove 141 for the first convex rib 181 to extend into is arranged on the side wall of the inner hole of the transmission gear 14, a second step shaft 19 is arranged above the transmission gear 14 on the vertical shaft 5, the second step shaft 19 extends into the inner hole of the transmission gear 14, and a second convex rib 191 extending into the rotation stopping groove 141 is arranged on the side surface of the outer circumference of the second step shaft 19; a positioning groove 192 is radially arranged at the upper end of the second step shaft 19 along the vertical shaft 5, and a positioning block 20 extending into the positioning groove 192 is slidably connected in the cutting groove 51; the upper end of the vertical shaft 5 is provided with external threads, the upper end of the vertical shaft 5 is in threaded connection with a screw cap 21, and the screw cap 21 presses the positioning block 20 in the positioning groove 192; this arrangement can facilitate removal and installation of the drive gear 14.
The blowing assembly comprises a motor 22, a rack 23 is arranged at the center of the circular top plate 2, and the motor 22 is installed on the rack 23; rotate between bottom plate 1 and the circular roof 2 and be connected with second pivot 24, the upper end of second pivot 24 stretches out circular roof 2 and passes through the coaxial fixed connection of shaft coupling 34 with the output shaft of motor 22, the outer circumference side of second pivot 24 extends and is equipped with six radial flabellums 25. Six air inlets 201 are formed beside the frame 23 by the circular top plate 2.
In addition, vertical sealing shafts 26 are arranged between two adjacent air deflectors 6 of the bottom plate 1, each vertical sealing shaft 26 is sleeved with a sponge sleeve (shown in the figure), and when the six air deflectors 6 form a surrounding, the two sides of each air deflector 6 are uniformly pressed on the sponge sleeves; the arrangement can play a role in buffering the rotation of the air guide plates 6, and can ensure the sealing performance of the six air guide plates 6 in enclosure.
When the power distribution cabinet is used, firstly, six damping doors 4 are opened at a certain angle through manpower, then a handle is rotated to drive a main driving wheel 11 to rotate, the main driving wheel 11 drives a driven wheel 13 to rotate through a driving belt 17 when rotating, a gear ring 10 is driven to rotate through a driving gear 12 when rotating the driven wheel 13, a vertical shaft 5 is driven to rotate through a transmission gear 14 when rotating the gear ring 10, and further a wind deflector 6 is driven to rotate, the mounting plate 8 is driven to synchronously rotate through a synchronizing rod 9 when the wind deflector 6 rotates, an air channel is formed between the wind deflector 6 and the mounting plate 8, then a motor 22 is controlled to rotate, the fan blade 25 is driven to rotate through a second rotating shaft 24 when the motor 22 rotates, and wind generated by rotation of the fan blade 25 is blown out from the; thereby removing heat generated by the electrical components on the mounting plate 8. In addition, when the air deflector 6 and the mounting plate 8 rotate, the trend of the air channel can be changed, and when the trend of the air channel is vertical to the radial direction of the circular top plate 2, the air can be discharged from the air channel for a longer time, so that heat can be taken away from all places in the power distribution cabinet; when the trend of the air duct tends to be parallel to the radial direction of the circular top plate 2, air can be rapidly discharged from the air duct, and therefore heat generated by the electric elements is rapidly taken away.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A power distribution cabinet with a cooling function comprises a bottom plate and a circular top plate arranged in parallel with the bottom plate, and is characterized in that a plurality of connecting rods are uniformly arranged between the bottom plate and the circular top plate at intervals along the circumferential direction of the circular top plate, each connecting rod is hinged with a damping door, and a surround is formed between the bottom plate and the circular top plate when the damping doors are closed; a plurality of vertical shafts are rotatably connected between the bottom plate and the circular top plate at positions close to the circle center of the circular top plate, are uniformly arranged at intervals along the circumferential direction of the circular top plate and are in one-to-one correspondence with the damping doors along the radial direction of the circular top plate; each vertical shaft is fixedly provided with an air guide plate, and when each air guide plate is arranged along the radial direction vertical to the circular top plate, a plurality of air guide plates form enclosure between the bottom plate and the circular top plate; first rotating shafts are rotatably connected between the corresponding air guide plates and the damping door between the bottom plate and the circular top plate, and an installation plate is arranged on the outer circumferential side surface of each first rotating shaft and is used for installing electric elements and arranged in parallel with the air guide plates; a blowing assembly is arranged between the bottom plate and the circular top plate at the center of the air deflectors; and the round top plate is provided with an adjusting component for controlling the synchronous rotation of the air deflectors.
2. The switch board with the cooling function according to claim 1, wherein the adjusting assembly comprises a gear ring, a main driving wheel, a driving gear and a driven driving wheel; the gear ring is rotatably connected to the upper surface of the circular top plate along the circumferential direction of the circular top plate, the upper end of each vertical shaft penetrates through the circular top plate and is detachably provided with a transmission gear, and each transmission gear is meshed with the inner side teeth of the gear ring; the circular top plate is provided with a convex shaft outside the gear ring, the driving gear is connected to the convex shaft in a rotating mode and meshed with outer side teeth of the gear ring, the driven wheel is connected to the convex shaft in a rotating mode and integrally formed with the driving gear, the outer side of the circular top plate is connected with a handle rod arranged in the vertical direction in a rotating mode, the main driving wheel is fixedly installed at the upper end of the handle rod, and a driving belt is arranged between the main driving wheel and the driven wheel.
3. The cooling power distribution cabinet according to claim 2, wherein the upper end of the vertical shaft is provided with a through slot along the radial direction, the vertical shaft is sleeved with a first step shaft, the first step shaft is positioned above the circular top plate, and the transmission gear is sleeved on the first step shaft; the side surface of the outer circumference of the first step shaft is provided with a first convex rib, the side wall of an inner hole of the transmission gear is provided with a rotation stopping groove for the first convex rib to extend into, the vertical shaft is provided with a second step shaft above the transmission gear, the second step shaft extends into the inner hole of the transmission gear, and the side surface of the outer circumference of the second step shaft is provided with a second convex rib extending into the rotation stopping groove; a positioning groove is formed in the upper end of the second step shaft along the radial direction of the vertical shaft, and a positioning block extending into the positioning groove is connected in the cutting groove in a sliding mode; the upper end of vertical axle is equipped with the external screw thread, the upper end threaded connection of vertical axle has the nut, the nut compresses tightly the locating piece in the constant head tank.
4. The cooling power distribution cabinet according to claim 1, wherein a synchronization rod is hinged between each air deflector and the corresponding mounting plate, and the synchronization rod is used for controlling the synchronous rotation of the air deflector and the mounting plate and keeping the air deflector and the mounting plate parallel to each other at any time.
5. The power distribution cabinet with the cooling function according to claim 1, wherein the blowing assembly comprises a motor, a rack is arranged at the center of the circular top plate, and the motor is mounted on the rack; the motor is characterized in that a second rotating shaft is rotatably connected between the bottom plate and the circular top plate, the upper end of the second rotating shaft extends out of the circular top plate and is coaxially and fixedly connected with an output shaft of the motor, a plurality of radial fan blades are arranged on the outer circumferential side face of the second rotating shaft in an extending mode, and a plurality of air inlets are formed in the circular top plate beside the rack.
6. The power distribution cabinet with the cooling function according to claim 1, wherein the bottom plate is provided with vertical sealing shafts between two adjacent air deflectors, each vertical sealing shaft is sleeved with a sponge sleeve, and when the plurality of air deflectors form a surrounding, two sides of each air deflector are pressed on the sponge sleeves in a pressure equalizing manner.
7. The cooling-function distribution cabinet according to claim 1, wherein the number of the connecting rods and the vertical shafts is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148522.1A CN111181043B (en) | 2020-03-05 | 2020-03-05 | Power distribution cabinet with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010148522.1A CN111181043B (en) | 2020-03-05 | 2020-03-05 | Power distribution cabinet with cooling function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111181043A true CN111181043A (en) | 2020-05-19 |
| CN111181043B CN111181043B (en) | 2021-04-02 |
Family
ID=70656904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010148522.1A Active CN111181043B (en) | 2020-03-05 | 2020-03-05 | Power distribution cabinet with cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111181043B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660800A (en) * | 2020-06-18 | 2020-09-15 | 袁利峰 | Fuel tank |
| CN112038939A (en) * | 2020-09-18 | 2020-12-04 | 济南高瓴机械科技有限公司 | Power distribution cabinet |
| CN112038952A (en) * | 2020-09-28 | 2020-12-04 | 任林赟 | High heat dissipation switch board |
| CN112134179A (en) * | 2020-09-20 | 2020-12-25 | 宁波源码智能机械科技有限公司 | Switch board convenient to heat dissipation and maintenance |
| CN112202069A (en) * | 2020-09-28 | 2021-01-08 | 袁利华 | Power distribution cabinet |
| CN112864876A (en) * | 2021-04-13 | 2021-05-28 | 哈尔滨艾拓普科技有限公司 | Oil field switch board |
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| JP2002157048A (en) * | 2000-11-20 | 2002-05-31 | Tadashi Sakamaki | Cabinet type temperature rise preventing device for computer |
| CN203839738U (en) * | 2014-05-28 | 2014-09-17 | 国网山东诸城市供电公司 | Circular rotary-type power distribution cabinet |
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| CN204793757U (en) * | 2015-07-23 | 2015-11-18 | 绍兴市新峰电控成套设备有限公司 | Heat radiation distribution box |
| CN108808466A (en) * | 2018-05-25 | 2018-11-13 | 肇庆中能创智信息科技有限公司 | A kind of intelligent behaviour height carries the electric power electric power distribution cabinet of warning function |
| CN208707160U (en) * | 2018-08-03 | 2019-04-05 | 河南省嵩阳电力工程有限公司 | A kind of intelligence power transformation box |
| CN209313444U (en) * | 2019-01-10 | 2019-08-27 | 云南安捷科能电气有限公司 | Low pressure static reactive generator |
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| JP2002157048A (en) * | 2000-11-20 | 2002-05-31 | Tadashi Sakamaki | Cabinet type temperature rise preventing device for computer |
| CN203839738U (en) * | 2014-05-28 | 2014-09-17 | 国网山东诸城市供电公司 | Circular rotary-type power distribution cabinet |
| CN204406297U (en) * | 2015-02-02 | 2015-06-17 | 北京京东方茶谷电子有限公司 | A kind of mainframe box and main frame |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111660800A (en) * | 2020-06-18 | 2020-09-15 | 袁利峰 | Fuel tank |
| CN111660800B (en) * | 2020-06-18 | 2024-01-19 | 袁利峰 | Fuel tank |
| CN112038939A (en) * | 2020-09-18 | 2020-12-04 | 济南高瓴机械科技有限公司 | Power distribution cabinet |
| CN112134179A (en) * | 2020-09-20 | 2020-12-25 | 宁波源码智能机械科技有限公司 | Switch board convenient to heat dissipation and maintenance |
| CN112038952A (en) * | 2020-09-28 | 2020-12-04 | 任林赟 | High heat dissipation switch board |
| CN112202069A (en) * | 2020-09-28 | 2021-01-08 | 袁利华 | Power distribution cabinet |
| CN112038952B (en) * | 2020-09-28 | 2022-08-30 | 芜湖金牛电气股份有限公司 | High heat dissipation switch board |
| CN112202069B (en) * | 2020-09-28 | 2023-08-25 | 国网江苏省电力有限公司滨海县供电分公司 | Electric power distribution cabinet |
| CN112864876A (en) * | 2021-04-13 | 2021-05-28 | 哈尔滨艾拓普科技有限公司 | Oil field switch board |
| CN112864876B (en) * | 2021-04-13 | 2022-11-11 | 新疆中能西域石油技术有限公司 | Oil field switch board |
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| CN111181043B (en) | 2021-04-02 |
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