CN113451922A - Intelligent medium-voltage switch cabinet - Google Patents
Intelligent medium-voltage switch cabinet Download PDFInfo
- Publication number
- CN113451922A CN113451922A CN202010232414.2A CN202010232414A CN113451922A CN 113451922 A CN113451922 A CN 113451922A CN 202010232414 A CN202010232414 A CN 202010232414A CN 113451922 A CN113451922 A CN 113451922A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- driving
- rod
- fixedly connected
- switch cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 210000003781 tooth socket Anatomy 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000013016 damping Methods 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- 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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an intelligent medium-voltage switch cabinet which comprises a medium-voltage switch cabinet body, wherein an air inlet assembly is fixedly arranged at one end of the medium-voltage switch cabinet body, a driving column is movably arranged at one end, corresponding to the position of the air inlet assembly, of the medium-voltage switch cabinet body, a driving groove is formed in the surface of the driving column, a driving rod is connected to the inner wall of the driving groove in a sliding mode, and a limiting frame is fixedly connected to one end, corresponding to the position of the air inlet assembly, of the medium-voltage switch cabinet body. According to the invention, the driving post is matched with the driving groove to drive the driving rod to move left and right through rotation of the driving column, so that the driving rod drives the driving rod to move through the moving block, and the gear is matched with the tooth socket, so that when the moving block moves, the gear can drive the cleaning rod to rotate through the driving rod, and therefore, the driving rod drives the cleaning rod to move left and right through the moving block and the driving rod and simultaneously drives the cleaning rod to rotate, the surface of the air inlet component is cleaned, and the condition that the air inlet quantity of the air inlet component is reduced is prevented.
Description
Technical Field
The invention relates to the field of medium-voltage switch cabinet equipment, in particular to an intelligent medium-voltage switch cabinet.
Background
The external line of the medium-voltage switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement, such as an instrument, automatic control, a motor magnetic switch, various alternating current contactors and the like. The components in the medium voltage switchgear cabinet mainly include circuit breakers, disconnectors, load switches, operating mechanisms, transformers, various protection devices, and the like. The medium-voltage switch cabinet can be divided into an open-type switch cabinet, a metal-enclosed switch cabinet and a metal-enclosed armored switch cabinet according to different cabinet body structures, and is mainly suitable for various different occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.
However, in the prior art, when the air conditioner is in actual use, the filter screen at the position of the air inlet is blocked by dust and the like after long-time use, so that the ventilation quantity of the air inlet is small, and the heat dissipation of the medium-voltage switch cabinet is influenced.
Disclosure of Invention
The invention aims to provide an intelligent medium-voltage switch cabinet to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the middle-voltage switch cabinet comprises a middle-voltage switch cabinet body, wherein an air inlet assembly is fixedly arranged at one end of the middle-voltage switch cabinet body, a driving column is movably arranged at one end of the middle-voltage switch cabinet body corresponding to the position of the air inlet assembly, a driving groove is formed in the surface of the driving column, a driving rod is connected to the inner wall of the driving groove in a sliding manner, a limiting frame is fixedly connected to one end of the middle-voltage switch cabinet body corresponding to the position of the air inlet assembly, a first limiting groove is formed in the surface of the side wall of the limiting frame, which is close to one end of the driving rod, the inner wall of the first limiting groove is connected with the surface of the driving rod in a sliding manner, a moving block is fixedly connected to one end of the driving rod, which is far away from the driving column, a driving rod is rotatably connected to one end of the moving block, which is far away from the driving rod, through a bearing, a gear is fixedly connected to the surface of the driving rod, a tooth groove is formed in the top of the side wall of the limiting frame, which corresponds to the gear, the inner wall of the tooth socket is meshed with the surface of the gear, a cleaning rod is movably arranged at one end, away from the moving block, of the transmission rod, and a brush is fixedly connected to the surface of the cleaning rod.
Preferably, the driving column is located the bottom of air inlet subassembly, and the driving column is inside hollow structure, the inside and the inside of driving column of driving groove are linked together, the driving groove is helical structure.
Preferably, the air inlet subassembly includes the air inlet frame, the air inlet frame runs through the one end of embedding at the medium voltage switch cabinet body, a plurality of fresh air inlets have been seted up to the one end that the medium voltage switch cabinet body was kept away from to the air inlet frame, the one end fixedly connected with weather shield, adjacent two of the corresponding air inlet hole position of air inlet frame fixedly connected with filter screen between the weather shield, and the surperficial activity laminating of the surface of filter screen and brush.
Preferably, a movable groove is formed in one end, corresponding to the position of the transmission rod, of the cleaning rod, the transmission rod penetrates through the cleaning rod and extends into the movable groove, a limiting disc is fixedly connected to one end, away from the moving block, of the transmission rod, a damping spring is fixedly connected to one end, away from the transmission rod, of the limiting disc, and the damping spring is fixedly connected to the inner wall of the movable groove.
Preferably, the middle-voltage switch cabinet body corresponds the one end fixedly connected with drive frame of air inlet subassembly position, the first lug of top fixedly connected with of drive frame inner wall, the top of clearance pole is rotated through the bearing and is connected with the connecting rod, the second spacing groove has been seted up to the one end of the corresponding connecting rod position lateral wall of drive frame, and the inner wall of second spacing groove and the surperficial swing joint of connecting rod, the one end fixedly connected with second lug that the connecting rod is close to first lug position, and the surface of second lug meshes with the surface of first lug mutually.
Preferably, the transmission rod and the connecting rod are both of a diamond structure.
Preferably, the middle-voltage switch cabinet body corresponds the one end fixedly connected with fixing base of drive post position, the middle part of fixing base rotates through the bearing and is connected with the pivot, and drive post fixed connection is in the middle part of pivot, the positive and negative motor of one end fixedly connected with of pivot, positive and negative motor fixed connection is in the one end of middle-voltage switch cabinet body.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the driving post is matched with the driving groove to drive the driving rod to move left and right, when the driving rod moves left and right, the driving rod can be driven by the moving block to move, and the gear is matched with the tooth socket, so that when the moving block moves, the gear can drive the cleaning rod to rotate through the driving rod, and the driving rod drives the cleaning rod to move left and right through the moving block and the driving rod and simultaneously drives the cleaning rod to rotate, so that the surface of the air inlet component is cleaned, and the condition that the air inlet quantity of the air inlet component is reduced is prevented;
2. the cleaning rod drives the connecting rod to move left and right when moving left and right, and the connecting rod drives the second lug to be meshed with the first lug, so that the cleaning rod can move up and down in a reciprocating manner when moving, and the surface of the filter screen is cleaned more thoroughly.
Drawings
FIG. 1 is a side sectional view of an overall structure of an intelligent medium voltage switchgear of the present invention;
FIG. 2 is a partial front sectional view of the overall structure of an intelligent medium voltage switchgear of the present invention;
fig. 3 is an enlarged view of a structure a in fig. 1 of an intelligent medium voltage switchgear according to the present invention.
In the figure: 1. a medium voltage switch cabinet body; 2. an air intake assembly; 3. a drive column; 4. a drive slot; 5. a drive rod; 6. a limiting frame; 7. a first limit groove; 8. a moving block; 9. a transmission rod; 10. a gear; 11. a tooth socket; 12. cleaning the rod; 13. a movable groove; 14. a limiting disc; 15. a damping spring; 16. a drive frame; 17. a first bump; 18. a connecting rod; 19. a second bump; 20. a second limit groove; 21. an air inlet frame; 22. an air inlet hole; 23. a rain shield; 24. a filter screen; 25. a rotating shaft; 26. a fixed seat; 27. a positive and negative motor; 28. and a brush.
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. 1-3, the present invention provides a technical solution: the middle-voltage switch cabinet comprises a middle-voltage switch cabinet body 1, wherein an air inlet component 2 is fixedly arranged at one end of the middle-voltage switch cabinet body 1, a driving column 3 is movably arranged at one end of the middle-voltage switch cabinet body 1 corresponding to the position of the air inlet component 2, a driving groove 4 is formed in the surface of the driving column 3, a driving rod 5 is connected to the inner wall of the driving groove 4 in a sliding manner, a limiting frame 6 is fixedly arranged at one end of the middle-voltage switch cabinet body 1 corresponding to the position of the air inlet component 2, a first limiting groove 7 is formed in the surface of the limiting frame 6, which is close to the side wall of one end of the driving rod 5, a first limiting groove 7 is formed in the inner wall of the first limiting groove 7 and is connected with the surface of the driving rod 5 in a sliding manner, a moving block 8 is fixedly arranged at one end of the driving rod 5, a transmission rod 9 is rotatably connected to one end of the moving block 8, which is far away from the driving rod 5, a gear 10 is fixedly arranged on the surface of the transmission rod 9, a tooth groove 11 is formed in the top of the side wall of the limiting frame 6 corresponding to the gear 10, the inner wall of the tooth socket 11 is engaged with the surface of the gear 10, a cleaning rod 12 is movably arranged at one end of the transmission rod 9 far away from the moving block 8, and a brush 28 is fixedly arranged on the surface of the cleaning rod 12.
The drive column 3 is located the bottom of air inlet subassembly 2, and drive column 3 is inside hollow structure, and the inside of drive groove 4 is linked together with the inside of drive column 3, and drive groove 4 is helical structure.
The air inlet component 2 comprises an air inlet frame 21, the air inlet frame 21 penetrates through one end of the medium-voltage switch cabinet body 1, a plurality of air inlet holes 22 are formed in one end, away from the medium-voltage switch cabinet body 1, of the air inlet frame 21, a rain baffle plate 23 is fixedly mounted at one end, corresponding to the air inlet holes 22, of the air inlet frame 21, a filter screen 24 is fixedly mounted between every two adjacent rain baffle plates 23, and the surface of the filter screen 24 is movably attached to the surface of the brush 28.
The one end that the clearance pole 12 corresponds the transfer link 9 position has seted up the movable slot 13, and the transfer link 9 runs through clearance pole 12 and extends to the inside in movable slot 13, and the one end fixed mounting that the movable block 8 was kept away from to transfer link 9 has spacing dish 14, and the one end fixed mounting that the transfer link 9 was kept away from to spacing dish 14 has damping spring 15, and damping spring 15 fixed mounting is at the inner wall of movable slot 13.
A driving frame 16 is fixedly arranged at one end of the cabinet body 1 of the medium-voltage switch cabinet corresponding to the position of the air inlet component 2, a first lug 17 is fixedly arranged at the top of the inner wall of the driving frame 16, the top of the cleaning rod 12 is rotatably connected with a connecting rod 18 through a bearing, a second limit groove 20 is arranged at one end of the side wall of the driving frame 16 corresponding to the position of the connecting rod 18, the inner wall of the second limit groove 20 is movably connected with the surface of the connecting rod 18, one end of the connecting rod 18 close to the first lug 17 is fixedly provided with a second lug 19, the surface of the second lug 19 is engaged with the surface of the first lug 17, when the cleaning rod 12 moves left and right, the connecting rod 18 is driven to move left and right, and the connecting rod 18 drives the second projection 19 to be meshed with the first projection 17, so that the cleaning rod 12 will move back and forth up and down when moving, thereby cleaning the surface of the filter screen 24 more thoroughly.
The transmission rod 9 and the connecting rod 18 are both of a diamond structure.
The one end fixed mounting that the corresponding drive column 3 of medium voltage switchgear cabinet body 1 put has fixing base 26, and the middle part of fixing base 26 rotates through the bearing and is connected with pivot 25, and 3 fixed mounting of drive column at the middle part of pivot 25, and the one end fixed mounting of pivot 25 has positive and negative motor 27, and positive and negative motor 27 fixed mounting is in the one end of the medium voltage switchgear cabinet body 1.
The working principle is as follows: when the fan rotation detection device is used, when the rotation of the fan is detected through the medium-voltage switch cabinet body 1 and the temperature in the middle of the medium-voltage switch cabinet body 1 does not change greatly, the rotating shaft 25 is driven to rotate through the positive and negative motor 27, so that the rotating shaft 25 drives the driving column 3 to rotate, when the driving column 3 rotates, the driving column 3 drives the driving rod 5 to move left and right through the driving groove 4, and when the driving rod 5 moves left and right, the moving block 8 is driven to move on the inner wall of the limiting frame 6, so that the movement of the driving rod 5 and the moving block 8 can be limited through the limiting frame 6, the driving rod 5 and the moving block 8 can stably move, when the moving block 8 moves, the moving block 8 can drive the driving rod 9 to move, the gear 10 fixed on the surface of the driving rod 9 is matched with the tooth groove 11, so that when the moving block 8 moves, the gear 10 is matched with the tooth groove 11, make gear 10 drive transfer line 9 rotate, and when transfer line 9 rotated, because transfer line 9 is the rhombus structure for transfer line 9 can drive clearance pole 12 and rotate, thereby makes actuating lever 5 drive clearance pole 12 through movable block 8 and transfer line 9 and remove when and drive clearance pole 12 and rotate, clears up the surface of air inlet subassembly 2, thereby prevents the circumstances that the air inlet volume of air inlet subassembly 2 becomes little.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 an intelligence medium voltage switchgear, includes the medium voltage switchgear cabinet body (1), its characterized in that: an air inlet component (2) is fixedly arranged at one end of the medium-voltage switch cabinet body (1), a driving column (3) is movably arranged at one end of the medium-voltage switch cabinet body (1) corresponding to the position of the air inlet component (2), a driving groove (4) is formed in the surface of the driving column (3), a driving rod (5) is connected to the inner wall of the driving groove (4) in a sliding manner, a limiting frame (6) is fixedly connected to one end of the medium-voltage switch cabinet body (1) corresponding to the position of the air inlet component (2), a first limiting groove (7) is formed in the surface, close to the side wall of one end of the driving rod (5), of the limiting frame (6), the inner wall of the first limiting groove (7) is connected to the surface of the driving rod (5) in a sliding manner, a moving block (8) is fixedly connected to one end, far away from the driving column (3), of the moving block (8), far away from the driving rod (5), through a bearing, a transmission rod (9) is rotatably connected to one end of the moving block (8), the surface of the transmission rod (9) is fixedly connected with a gear (10), the top of the side wall of the limiting frame (6) corresponding to the gear (10) is provided with a tooth socket (11), the inner wall of the tooth socket (11) is meshed with the surface of the gear (10), one end of the transmission rod (9) far away from the moving block (8) is movably provided with a cleaning rod (12), and the surface of the cleaning rod (12) is fixedly connected with a brush (28).
2. The intelligent medium voltage switchgear cabinet according to claim 1, characterized in that: the air inlet component is characterized in that the driving column (3) is located at the bottom of the air inlet component (2), the driving column (3) is of an internal hollow structure, the inside of the driving groove (4) is communicated with the inside of the driving column (3), and the driving groove (4) is of a spiral structure.
3. The intelligent medium voltage switchgear cabinet according to claim 1, characterized in that: the air inlet subassembly (2) is including air inlet frame (21), air inlet frame (21) runs through the one end of embedding in the medium voltage switch cabinet body (1), a plurality of fresh air inlets (22) have been seted up to the one end that the medium voltage switch cabinet body (1) was kept away from in air inlet frame (21), one end fixedly connected with weather shield (23), adjacent two of the corresponding fresh air inlet (22) position of air inlet frame (21) fixedly connected with filter screen (24) between weather shield (23), and the surface activity laminating of the surface of filter screen (24) and brush (28).
4. The intelligent medium voltage switchgear cabinet according to claim 1, characterized in that: the cleaning device is characterized in that a movable groove (13) is formed in one end, corresponding to the position of the transmission rod (9), of the cleaning rod (12), the transmission rod (9) penetrates through the cleaning rod (12) and extends to the inside of the movable groove (13), a limiting disc (14) is fixedly connected to one end, away from the moving block (8), of the transmission rod (9), a damping spring (15) is fixedly connected to one end, away from the transmission rod (9), of the limiting disc (14), and the damping spring (15) is fixedly connected to the inner wall of the movable groove (13).
5. The intelligent medium voltage switchgear cabinet according to claim 1, characterized in that: the one end fixedly connected with drive frame (16) of the corresponding air inlet subassembly (2) position of medium voltage switchgear cabinet body (1), the first lug of top fixedly connected with (17) of drive frame (16) inner wall, the top of clearance pole (12) is rotated through the bearing and is connected with connecting rod (18), second spacing groove (20) have been seted up to the one end of the corresponding connecting rod of drive frame (16) position lateral wall, and the surface swing joint of the inner wall of second spacing groove (20) and connecting rod (18), connecting rod (18) are close to one end fixedly connected with second lug (19) of first lug (17) position, and the surface of second lug (19) meshes with the surface of first lug (17) mutually.
6. The intelligent medium voltage switchgear cabinet according to claim 5, characterized in that: the transmission rod (9) and the connecting rod (18) are both of a diamond structure.
7. The intelligent medium voltage switchgear cabinet according to claim 1, characterized in that: the one end fixedly connected with fixing base (26) of the corresponding drive post (3) position of medium voltage switch cabinet body (1), the middle part of fixing base (26) is rotated through the bearing and is connected with pivot (25), and drive post (3) fixed connection at the middle part of pivot (25), the positive and negative motor (27) of one end fixedly connected with of pivot (25), positive and negative motor (27) fixed connection is in the one end of medium voltage switch cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010232414.2A CN113451922A (en) | 2020-03-28 | 2020-03-28 | Intelligent medium-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010232414.2A CN113451922A (en) | 2020-03-28 | 2020-03-28 | Intelligent medium-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113451922A true CN113451922A (en) | 2021-09-28 |
Family
ID=77808239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010232414.2A Pending CN113451922A (en) | 2020-03-28 | 2020-03-28 | Intelligent medium-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113451922A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172042A (en) * | 2022-02-10 | 2022-03-11 | 山东万海电气科技有限公司 | Medium-voltage switch cabinet capable of automatically performing surface treatment on key parts |
-
2020
- 2020-03-28 CN CN202010232414.2A patent/CN113451922A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172042A (en) * | 2022-02-10 | 2022-03-11 | 山东万海电气科技有限公司 | Medium-voltage switch cabinet capable of automatically performing surface treatment on key parts |
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