CN116053944A - Self-cleaning device of electric power cabinet - Google Patents
Self-cleaning device of electric power cabinet Download PDFInfo
- Publication number
- CN116053944A CN116053944A CN202211671489.6A CN202211671489A CN116053944A CN 116053944 A CN116053944 A CN 116053944A CN 202211671489 A CN202211671489 A CN 202211671489A CN 116053944 A CN116053944 A CN 116053944A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- power cabinet
- electric power
- roller shutter
- inlet pipe
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 27
- 238000009825 accumulation Methods 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000151 deposition Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/007—Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- 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
Abstract
The invention relates to the technical field of power equipment, in particular to a self-cleaning device for an electric power cabinet, which is a rectangular box body with a cabinet door and a ventilation grating arranged on the side wall, wherein a closed circulation device is arranged at the top of the inside of the electric power cabinet, an auxiliary closed device is arranged below the closed circulation device, the closed circulation device and the auxiliary closed device are matched to isolate the inner space of the electric power cabinet from the outside, an ash accumulation tank and an air inlet pipe are arranged at the top of the electric power cabinet, and the ash accumulation tank and the air inlet pipe are communicated with the closed circulation device. The beneficial effects of the invention are as follows: the device can seal and close the whole electric cabinet, the circulated air flow can send the dust deposited in the electric cabinet into the dust accumulation tank, the dust can not escape to the outside of the electric cabinet to pollute the environment in the cleaning process, the self-cleaning of the electric cabinet can be completed through timing cleaning, and workers only need to regularly empty the dust in the dust accumulation tank.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a self-cleaning device of an electric power cabinet.
Background
The electric power cabinet is long to be the device of depositing the relevant equipment of electric power control, and long-time placing is easy to accumulate the dust in inside on the ground, is difficult to clear up.
In order to dissipate heat, the existing power cabinet is usually provided with a plurality of ventilation fences on the side surfaces and the cabinet door, workers need to clean dust inside regularly, and in order to clean dust quickly and safely, a blower is generally held for blowing, a large amount of dust flies freely in the cleaning process, falls to the surrounding ground to pollute the surrounding environment, and the raised dust can influence the health of the workers after being inhaled by the workers.
Therefore, the application designs a device capable of self-timing cleaning so as to solve the problems.
Disclosure of Invention
The invention provides a self-cleaning device of an electric cabinet for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
the utility model provides a self-cleaning device of electric power cabinet, includes electric power cabinet, its characterized in that:
the utility model discloses a power cabinet, including cabinet door, electric power cabinet, auxiliary sealing device, ash deposition jar, air-supply line, ash deposition jar and air-supply line, the electric power cabinet is the rectangular box that cabinet door and lateral wall were provided with ventilation grid, and closed circulating device is installed at the inside top of electric power cabinet, and auxiliary sealing device is installed to closed circulating device's below, and closed circulating device and auxiliary sealing device cooperate to keep apart electric power cabinet's inner space and outside, ash deposition jar and air-supply line are installed at the top of electric power cabinet, and ash deposition jar and air-supply line intercommunication closed circulating device.
Further, in order to better realize the invention, the detachable dust accumulation tank and the air inlet pipe are arranged on the outer side of the top of the cabinet top of the electric power cabinet, the dust accumulation tank is communicated with the exhaust fan of the closed circulating device, and the air inlet pipe is L-shaped and is communicated with the blower of the closed circulating device; the bottom of the cabinet top is fixedly connected with a closed circulation device.
Further, in order to better realize the invention, the closed circulation device comprises a front roller shutter box and two side roller shutter boxes, wherein the three roller shutter boxes are all arranged under the mounting plate, the three roller shutter boxes form a U-shaped structure, the cloth curtain of the front roller shutter box can shield the cabinet door part space of the closed electric cabinet after being put down, the lower part of the cloth curtain of the side roller shutter box can shield the ventilation grille at the side wall of the electric cabinet, and the bottom of the cloth curtain of the front roller shutter box is provided with iron bars;
install air exhauster, air-blower and PLC controller on the mounting panel, PLC controller control connects the flexible jar on air exhauster, air-blower, preceding roll up curtain box, side roll up curtain box and the auxiliary sealing device.
Further, in order to better realize the invention, the auxiliary sealing device comprises a U-shaped clamping groove arranged at the side of a cabinet door of the electric cabinet, a cloth curtain which is put down by a front roller shutter box is accommodated in the groove body of the U-shaped clamping groove, a first side clamping plate is arranged at the rear side of the U-shaped clamping groove, a second side clamping plate is arranged on the rear wall of the cabinet, and the cloth curtain which is put down by the side roller shutter box is accommodated between the first side clamping plate and the side wall of the cabinet, and the second side clamping plate and the side wall of the cabinet.
Further, in order to better realize the invention, the bottom of the U-shaped clamping groove is provided with an electromagnet which is connected with a PLC controller; and the first side clamping plate and the second side clamping plate are provided with telescopic cylinders, piston rods of the telescopic cylinders are connected with clamping plates, and the clamping plates clamp the cloth curtain to the side wall of the cabinet.
The beneficial effects of the invention are as follows:
the device can seal and close the whole electric cabinet, the circulated air flow can send the dust deposited in the electric cabinet into the dust accumulation tank, the dust can not escape to the outside of the electric cabinet to pollute the environment in the cleaning process, the self-cleaning of the electric cabinet can be completed through timing cleaning, and workers only need to regularly empty the dust in the dust accumulation tank.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the sealing operation of the present invention;
FIG. 3 is a schematic view of the internal structure of the power cabinet of the invention with the closed circulation device removed;
FIG. 4 is a schematic perspective view of a closed circulation device according to one embodiment of the present invention;
FIG. 5 is a schematic perspective view of a closed circulation device according to the present invention;
FIG. 6 is a schematic perspective view of an auxiliary closure device of the present invention;
in the drawing the view of the figure,
1. the electric power cabinet, 101, a cabinet top, 102, a cabinet rear wall, 103, a cabinet side wall, 2, a closed circulation device, 201, a front roller shutter box, 202, a side roller shutter box, 203, a mounting plate, 204, an exhaust fan, 205, a blower, 206, a PLC controller, 3, an auxiliary closing device, 301, a U-shaped clamping groove, 302, a first side clamping plate, 303, a second side clamping plate, 304, a telescopic cylinder, 305, clamping plates, 4, an ash accumulation tank, 5 and an air inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "middle", "upper", "lower", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Fig. 1-6 are specific embodiments of the present invention, which are self-cleaning devices of an electric power cabinet, as shown in fig. 1 and fig. 2-3, the electric power cabinet 1 is a rectangular box body with a cabinet door and a ventilation grating on the side wall, a closed circulation device 2 is installed at the top of the inside of the electric power cabinet 1, an auxiliary closing device 3 is installed below the closed circulation device 2, the closed circulation device 2 and the auxiliary closing device 3 cooperate to isolate the internal space of the electric power cabinet 1 from the outside, an ash deposition tank 4 and an air inlet pipe 5 are installed at the top of the electric power cabinet 1, and the ash deposition tank 4 and the air inlet pipe 5 are communicated with the closed circulation device 2. The detachable dust accumulation tank 4 and the air inlet pipe 5 are arranged on the outer side of the top of the cabinet top 101 of the electric power cabinet 1, the dust accumulation tank 4 is communicated with the exhaust fan 204 of the closed circulating device 2, and the air inlet pipe 5 is L-shaped and is communicated with the air blower 205 of the closed circulating device 2; the bottom of the cabinet top 101 is fixedly connected with the closed circulation device 2.
As shown in fig. 4 and fig. 5, the closed circulation device 2 comprises a front roller shutter box 201 and two side roller shutter boxes 202, wherein the three roller shutter boxes are all arranged under a mounting plate 203, the three roller shutter boxes form a U-shaped structure, a cloth curtain of the front roller shutter box 201 can shield a cabinet door part space of the closed power cabinet 1 after being put down, a ventilation grid at a cabinet side wall 103 of the power cabinet 1 can be shielded after being arranged below the cloth curtain of the side roller shutter box 202, and iron bars are arranged at the bottom of the cloth curtain of the front roller shutter box 201; the mounting plate 203 is provided with an exhaust fan 204, a blower 205 and a PLC controller 206, and the PLC controller 206 controls and connects the exhaust fan 204, the blower 205, the front roller shutter box 201, the side roller shutter box 202 and a telescopic cylinder 304 on the auxiliary sealing device 3.
As shown in fig. 6, the auxiliary closing device 3 includes a U-shaped clamping groove 301 installed on the cabinet door side of the electric cabinet 1, a curtain placed under the front curtain rolling box 201 is accommodated in a groove body of the U-shaped clamping groove 301, a first side clamping plate 302 is installed on the rear side of the U-shaped clamping groove 301, a second side clamping plate 303 is installed on the cabinet rear wall 102, and the curtain placed under the side curtain rolling box 202 is accommodated between the first side clamping plate 302, the second side clamping plate 303 and the cabinet side wall 103. An electromagnet is arranged at the bottom of the U-shaped clamping groove 301 and is connected with the PLC 206; the first side clamping plate 302 and the second side clamping plate 303 are provided with a telescopic cylinder 304, a piston rod of the telescopic cylinder 304 is connected with a clamping plate 305, and the clamping plate 305 clamps the cloth curtain on the side wall 103 of the cabinet.
The specific cleaning mode of this embodiment is as follows:
the PLC controller 206 is started at regular time, the control is that three roller shutter boxes are used for discharging cloth curtains, the cloth curtains are respectively arranged in the U-shaped clamping grooves 301, the first side clamping plates 302, the second side clamping plates 303 and the cabinet side walls 103, then the electromagnet is electrified to suck iron bars at the bottoms of the cloth curtains, the two telescopic cylinders 304 act, the cloth curtains are clamped on the cabinet side walls 103 through the clamping plates 305, so that the whole electric cabinet 1 forms a closed space, then the air blower 205 and the exhaust fan 204 act, and dust in the electric cabinet is rolled into the dust collection tank 4 by air flow. The worker only needs to clean the dust collection tank 4 regularly.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a self-cleaning device of electric power cabinet, includes electric power cabinet (1), its characterized in that:
the utility model discloses a power cabinet, including electric power cabinet (1), cabinet door, air inlet pipe (5), dust collection tank (4), air inlet pipe (5), auxiliary sealing device (3) are installed at the inside top of electric power cabinet (1), auxiliary sealing device (3) are installed to the below of sealing device (2), and the inside space of electric power cabinet (1) is kept apart with outside to auxiliary sealing device (3) cooperatees, dust collection tank (4) and air inlet pipe (5) are installed at the top of electric power cabinet (1), dust collection tank (4) and air inlet pipe (5) intercommunication sealing device (2).
2. The electric cabinet self-cleaning device according to claim 1, characterized in that:
the detachable dust accumulation tank (4) and the air inlet pipe (5) are arranged on the outer side of the top of the cabinet top (101) of the electric power cabinet (1), the dust accumulation tank (4) is communicated with the exhaust fan (204) of the closed circulating device (2), and the air inlet pipe (5) is in an L shape and is communicated with the air blower (205) of the closed circulating device (2); the bottom of the cabinet top (101) is fixedly connected with a closed circulation device (2).
3. The electric cabinet self-cleaning device according to claim 2, characterized in that:
the closed circulation device (2) comprises a front roller shutter box (201) and two side roller shutter boxes (202), wherein the three roller shutter boxes are all arranged under the mounting plate (203), the three roller shutter boxes form a U-shaped structure, a cloth curtain of the front roller shutter box (201) can shield a cabinet door part space of the closed power cabinet (1) after being put down, a ventilation grid at the cabinet side wall (103) of the power cabinet (1) can be shielded after the cloth curtain of the side roller shutter box (202) is arranged below the cloth curtain, and iron bars are arranged at the bottom of the cloth curtain of the front roller shutter box (201);
install air exhauster (204), air-blower (205) and PLC controller (206) on mounting panel (203), telescopic cylinder (304) on PLC controller (206) control connection air exhauster (204), air-blower (205), preceding roller shutter box (201), side roller shutter box (202) and auxiliary sealing device (3).
4. A power cabinet self-cleaning device according to claim 3, characterized in that:
the auxiliary sealing device (3) comprises a U-shaped clamping groove (301) arranged on the cabinet door side of the electric power cabinet (1), a curtain placed by a front curtain rolling box (201) is contained in a groove body of the U-shaped clamping groove (301), a first side clamping plate (302) is arranged on the rear side of the U-shaped clamping groove (301), a second side clamping plate (303) is arranged on the cabinet rear wall (102), and a curtain placed by a side curtain rolling box (202) is contained between the first side clamping plate (302) and the second side clamping plate (303) and the cabinet side wall (103).
5. The power cabinet self-cleaning device according to claim 4, wherein:
an electromagnet is arranged at the bottom of the U-shaped clamping groove (301) and is connected with a PLC (programmable logic controller) 206;
the first side clamping plate (302) and the second side clamping plate (303) are provided with telescopic cylinders (304), piston rods of the telescopic cylinders (304) are connected with clamping plates (305), and the clamping plates (305) clamp the cloth curtain to the side wall (103) of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211671489.6A CN116053944B (en) | 2022-12-26 | 2022-12-26 | Self-cleaning device of electric power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211671489.6A CN116053944B (en) | 2022-12-26 | 2022-12-26 | Self-cleaning device of electric power cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116053944A true CN116053944A (en) | 2023-05-02 |
| CN116053944B CN116053944B (en) | 2024-01-26 |
Family
ID=86124741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211671489.6A Active CN116053944B (en) | 2022-12-26 | 2022-12-26 | Self-cleaning device of electric power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116053944B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011018680A1 (en) * | 2009-08-13 | 2011-02-17 | Khalil Khalil Ebrahim Abdulla Alhammadi | Solar powered heat exchanger for water tanks |
| CN106050080A (en) * | 2016-05-31 | 2016-10-26 | 北京百度网讯科技有限公司 | Device and system for sealing channel |
| CN107516826A (en) * | 2017-08-25 | 2017-12-26 | 合肥智鼎电控自动化科技有限公司 | A kind of high-low pressure cabinet for carrying cleaning functions/drying |
| CN107919612A (en) * | 2017-11-23 | 2018-04-17 | 国网江苏省电力公司盐城供电公司 | A kind of novel electric power cabinet |
| DE202018103954U1 (en) * | 2018-07-10 | 2018-07-18 | Yixing Xianglong Electronic Science and Technology CO., LTD. | Complete set of AC high voltage low voltage switchgear |
| CN208203065U (en) * | 2018-03-19 | 2018-12-07 | 西安建筑科技大学 | A kind of wind pavilion water blocking ventilation roll-up window |
| CN112769054A (en) * | 2021-01-06 | 2021-05-07 | 国网山东省电力公司成武县供电公司 | Outer hanging electric power cabinet cleaning device |
| CN213645264U (en) * | 2020-10-09 | 2021-07-09 | 南京金桓电子科技有限公司 | Secondary dust removal PLC switch board |
| CN215299834U (en) * | 2021-06-25 | 2021-12-24 | 武汉东洪鑫电气设备有限公司 | Low-voltage distribution cabinet with isolation protection mechanism |
| CN114916208A (en) * | 2022-05-31 | 2022-08-16 | 广东广晟通信技术有限公司 | Transformer substation is with communication machine case of being convenient for to dispel heat |
-
2022
- 2022-12-26 CN CN202211671489.6A patent/CN116053944B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011018680A1 (en) * | 2009-08-13 | 2011-02-17 | Khalil Khalil Ebrahim Abdulla Alhammadi | Solar powered heat exchanger for water tanks |
| CN106050080A (en) * | 2016-05-31 | 2016-10-26 | 北京百度网讯科技有限公司 | Device and system for sealing channel |
| CN107516826A (en) * | 2017-08-25 | 2017-12-26 | 合肥智鼎电控自动化科技有限公司 | A kind of high-low pressure cabinet for carrying cleaning functions/drying |
| CN107919612A (en) * | 2017-11-23 | 2018-04-17 | 国网江苏省电力公司盐城供电公司 | A kind of novel electric power cabinet |
| CN208203065U (en) * | 2018-03-19 | 2018-12-07 | 西安建筑科技大学 | A kind of wind pavilion water blocking ventilation roll-up window |
| DE202018103954U1 (en) * | 2018-07-10 | 2018-07-18 | Yixing Xianglong Electronic Science and Technology CO., LTD. | Complete set of AC high voltage low voltage switchgear |
| CN213645264U (en) * | 2020-10-09 | 2021-07-09 | 南京金桓电子科技有限公司 | Secondary dust removal PLC switch board |
| CN112769054A (en) * | 2021-01-06 | 2021-05-07 | 国网山东省电力公司成武县供电公司 | Outer hanging electric power cabinet cleaning device |
| CN215299834U (en) * | 2021-06-25 | 2021-12-24 | 武汉东洪鑫电气设备有限公司 | Low-voltage distribution cabinet with isolation protection mechanism |
| CN114916208A (en) * | 2022-05-31 | 2022-08-16 | 广东广晟通信技术有限公司 | Transformer substation is with communication machine case of being convenient for to dispel heat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116053944B (en) | 2024-01-26 |
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