CN110380351B - Power cabinet with good heat dissipation and water resistance for precision instrument - Google Patents
Power cabinet with good heat dissipation and water resistance for precision instrument Download PDFInfo
- Publication number
- CN110380351B CN110380351B CN201910688090.0A CN201910688090A CN110380351B CN 110380351 B CN110380351 B CN 110380351B CN 201910688090 A CN201910688090 A CN 201910688090A CN 110380351 B CN110380351 B CN 110380351B
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- Prior art keywords
- heat dissipation
- limiting
- connecting plate
- cabinet body
- electric telescopic
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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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a waterproof outdoor electric power cabinet for a precision instrument, which comprises a PLC (programmable logic controller), a cabinet body and a telescopic heat dissipation part, wherein a temperature sensor is installed at the top of the cabinet body, a rainfall sensor is installed in the cabinet body, a dustproof screen plate is installed at an opening on one side surface of the cabinet body, vertical limiting grooves are fixedly arranged outside two side edges of the dustproof screen plate respectively, limiting rods are fixedly arranged on two sides of the heat dissipation part respectively, the limiting rods are clamped in the limiting grooves so that the heat dissipation part is clamped on the cabinet body, a vertical electric telescopic rod is embedded in the middle of the dustproof screen plate, the lower end of the electric telescopic rod is hinged on the dustproof screen plate, the upper end of the electric telescopic rod is hinged in the middle of; and the electric telescopic rod, the temperature sensor and the rainfall sensor are respectively electrically connected with the PLC. Compared with the prior art, the invention is provided with the telescopic heat dissipation part to adjust the heat dissipation surface so as to improve the heat dissipation efficiency, and the temperature sensor and the rainfall sensor are arranged to measure the temperature and the rainfall so as to determine whether the heat dissipation part needs to be opened or not.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a waterproof precision instrument outdoor power cabinet with good heat dissipation performance.
Background
In recent decades, high-quality industrial instruments and meters in China all depend on imported and foreign advanced equipment, mainly because the industrial foundation in China is weak, high-quality products cannot be designed and produced, along with the rapid economic growth in China in recent years, the industry in China is rapidly advancing, so that the demand for basic industrial equipment is higher and higher, the demand for high-precision and high-safety industrial equipment is also increased, the power cabinet is used as the most common basic equipment in the industry, the requirements for water resistance, high temperature resistance and the like are very high, particularly, large-scale power equipment needs high-voltage and high-current, and the power cabinet can generate a large amount of heat when supplying the high-voltage and high-current, so that the power cabinet needs to have a good heat dissipation function.
However, the existing outdoor power cabinet adopts the structure that only a plurality of ventilation holes are formed in the bottom of the cabinet body to directly radiate heat in a contact manner with the outside, the heat at the upper part of the cabinet body needs to be slowly transferred to the ventilation holes at the bottom to radiate the heat, the radiating efficiency is low, and the quality and the service life of a precision instrument are directly influenced by the rising temperature; moreover, no waterproof measures are taken in the ventilation hole part, so that rainwater is easily splashed into the ventilation hole part when the ventilation hole part is exposed to heavy rain, and the precision instrument is damaged.
Disclosure of Invention
In order to solve the problems, the invention provides the waterproof precision instrument outdoor power cabinet with good heat dissipation performance.
The object of the invention is achieved in the following way:
a good-heat-dissipation and waterproof outdoor electric power cabinet for a precision instrument comprises a PLC, a cabinet body and a telescopic heat dissipation part, wherein a rainfall sensor is installed at the top of the cabinet body, a temperature sensor is installed in the cabinet body, a dustproof screen plate is installed at an opening in one side face of the cabinet body, vertical limiting grooves are fixedly arranged outside two side edges of the dustproof screen plate respectively, limiting rods are fixedly arranged on two sides of the heat dissipation part respectively and are clamped in the limiting grooves so that the heat dissipation part is clamped on the cabinet body, a vertical electric telescopic rod is embedded in the middle of the dustproof screen plate, the lower end of the electric telescopic rod is hinged to the dustproof screen plate, the upper end of the electric telescopic rod is hinged to the middle of the inner side of; the electric telescopic rod, the temperature sensor and the rainfall sensor are respectively and electrically connected with the PLC;
the heat dissipation part comprises a connecting plate II positioned on the side edge and a connecting plate I positioned in the middle, at least four connecting plates III are sequentially arranged between the connecting plate II and the connecting plate I, hollow clamping frames with openings on only one side are fixedly arranged in the middle of one side, close to the connecting plate I, of the connecting plate II and the connecting plate III, one ends of elastic pieces are fixedly arranged in the clamping frames, the other ends of the elastic pieces corresponding to the connecting plates II are fixedly arranged on the adjacent connecting plates III, the other ends of the elastic pieces corresponding to the connecting plates III are fixedly arranged on the adjacent connecting plates III, and the other ends of the elastic pieces corresponding to the connecting plates III, close to the connecting plate I, are fixedly arranged on the connecting; when the heat dissipation part retracts to the initial state, the elastic piece is in a natural state, and the natural width of the elastic piece is the same as the width of the clamping frame.
Dustproof otter board middle part is seted up and is used for holding electric telescopic handle's holding tank, the vertical setting of holding tank.
One side of connecting plate III, which is far away from the joint frame, is provided with a clamping groove for clamping the opening edge of the joint frame, and clamping grooves for clamping the opening edge of the joint frame are respectively formed in the two sides of the connecting plate I.
The spacing groove is C type groove and bottom seal, the gag lever post is cylindrical.
The elastic piece is a plate-shaped elastic fiber cloth.
The length of limiting groove is greater than the length of limiting rod, and limiting groove top joint has limiting breakwater, and limiting breakwater wholly is pi type, and limiting breakwater's top surface width W is unanimous with the width A of the cabinet body, and limiting breakwater's top surface length L is greater than the length sum on the equidirectional length of connecting plate I and the equidirectional length of dustproof otter board, the size of connecting plate II, connecting plate III is the same with connecting plate I.
Compared with the prior art, the heat dissipation device has the advantages that the heat dissipation surface is adjusted by arranging the telescopic heat dissipation part on one side of the cabinet body, so that the heat dissipation efficiency is improved, the influence of high temperature on a precision instrument or even a fire is avoided, the temperature and the rainfall are measured by arranging the temperature sensor and the rainfall sensor, whether the heat dissipation part needs to be opened or not can be determined according to the measured temperature and the measured rainfall, and when the rainfall reaches a value which is measured in advance and can splash into the power cabinet, the PLC can control the heat dissipation part to be closed and be in an initial waterproof state; the invention has ingenious design and can automatically identify the need of heat dissipation or water prevention.
Drawings
Fig. 1 is a front view of the present invention in use.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of the structure of the heat dissipation part in fig. 1.
Fig. 4 is a schematic structural view of the cabinet in fig. 2.
Fig. 5 is a front view of the connection plate iii.
Fig. 6 is a plan view of the connection plate iii.
Fig. 7 is a plan view of the connecting plate i.
FIG. 8 is a schematic structural view of a limiting water deflector.
Fig. 9 is a partial top view of the present invention in its initial state.
The intelligent rain-proof cabinet comprises a cabinet body 1, a cabinet body 2, a dustproof screen plate 3, a heat dissipation part 4, a limiting water baffle plate 5, an electric telescopic rod 7 and a rainfall sensor; 201. spacing groove, 301, connecting plate I, 302, gag lever post, 303, connecting plate III, 304, joint frame, 305, elastic component, 306, connecting plate II, 307, draw-in groove, 401, breakwater, 402, spacing.
Detailed Description
As shown in FIGS. 1 to 8, an outdoor power cabinet for a precision instrument, which has good heat dissipation and is waterproof, comprises a PLC, a cabinet body 1 and a telescopic heat dissipation part 3, in the figure 1, a cabinet door is arranged on the front view surface of a cabinet body 1, the cabinet door is not shown in the figure 1, a rainfall sensor 7 is arranged at the top of the cabinet body 1, a temperature sensor (not shown) is arranged in the cabinet body 1, a dustproof screen plate 2 is arranged at an opening of one side surface of the cabinet body 1, vertical limiting grooves 201 are fixedly arranged outside two side edges of the dustproof screen plate 2 respectively, the two sides of the heat dissipation part 3 are respectively and fixedly provided with a limiting rod 302, the limiting rods 302 are clamped in the limiting grooves 201 so that the heat dissipation part 3 is clamped on the cabinet body 1, the middle part of the dustproof screen plate 2 is embedded with a vertical electric telescopic rod 5, the lower end of the electric telescopic rod 5 is hinged on the dustproof screen plate 2, the upper end of the electric telescopic rod 5 is hinged on the middle part of the inner side of the heat dissipation part 3, and the electric telescopic rod 5 drives the heat dissipation part 3 to stretch; the electric telescopic rod 5, the temperature sensor and the rainfall sensor 7 are respectively and electrically connected with the PLC;
the heat dissipation part 3 comprises a connecting plate II 306 positioned on the side edge and a connecting plate I301 positioned in the middle, at least four connecting plates III 303 are sequentially arranged between the connecting plate II 306 and the connecting plate I301, the middle parts of one sides of the connecting plates II 306 and the connecting plates III 303 close to the connecting plate I301 are respectively fixedly provided with a hollow clamping frame 304 with an opening on one side, one end of an elastic element 305 is fixedly arranged in each clamping frame 304, the other end of the corresponding elastic element 305 on the connecting plate II 306 is fixedly arranged on the adjacent connecting plate III 303, the other end of the corresponding elastic element 305 on the connecting plate III 303 is fixedly arranged on the adjacent connecting plate III 303, and the other end of the corresponding elastic element 305 on the connecting plate III 303 close to the connecting plate I301 is fixedly arranged on the connecting; when the heat dissipation portion 3 retracts to the initial state, the elastic member 305 is in a natural state, and the natural width of the elastic member 305 is the same as the width of the clamping frame 304, so that in the initial state, the elastic member 305 is just accommodated in the clamping frame 304 to form a waterproof sealing layer. The cabinet body 1 is internally provided with precise power equipment.
Furthermore, the middle part of the dustproof mesh plate 2 is provided with a holding tank (not shown in the figure) for holding the electric telescopic rod 5, and the holding tank is vertically arranged. The lower extreme of electric telescopic handle 5 articulates in the bottom of holding tank, and the upper end articulates the inboard middle part of connecting plate I301.
In order to further seal and prevent water, a clamping groove 307 for clamping the opening edge of the clamping frame 304 is arranged on one side of the connecting plate iii 303 away from the clamping frame 304, as shown in fig. 6; two sides of the connecting plate i 301 are respectively provided with a clamping groove 307 for clamping the opening edge of the clamping frame 304, as shown in fig. 7. The size of the slot 307 is larger than the thickness of the sidewall of the clamping frame 304, so that the heat dissipation portion 3 does not affect the separation of the clamping frame 304 from the slot 307.
Preferably, as shown in fig. 4 and 3, the limiting groove 201 is a C-shaped groove and has a sealed bottom, and the limiting rod 302 is cylindrical.
Preferably, the elastic member 305 is a plate-shaped elastic fiber cloth, such as knitted fabric with good thermal conductivity, which has good elasticity and rebound resilience, and such a structure can apply uniform elasticity to the vertical axial direction of the connecting plate, and the fiber cloth has a large mesh after being stretched out, and also has good heat dissipation effect.
In order to better prevent water at the top of the heat dissipation part, the length of the limiting groove 201 is greater than that of the limiting rod 302, the limiting water baffle 4 is clamped at the top of the limiting groove 201, the limiting water baffle 4 is n-shaped as a whole, as shown in fig. 8, the width W of the top surface of the limiting water baffle 4 is consistent with the width a of the cabinet body 1, the length L of the top surface of the limiting water baffle 4 is greater than the sum of the length of the connecting plate I301 in the same direction and the length of the dustproof screen plate 2 in the same direction, so that water can be prevented at the top of the heat dissipation part, and the connecting plates II 306, III 303 and I301 are the same in size. As shown in fig. 8, the limiting water baffle 4 is composed of a rectangular water baffle 401 and two cylindrical limiting strips 402, wherein the two limiting strips 402 are fixedly arranged on two sides of the water baffle 401 and are respectively clamped with the top of the limiting groove 201.
The working process of the invention is as follows:
in an initial state of the invention, as shown in fig. 9, the connection plate ii 306 and the adjacent connection plate iii 303, the two adjacent connection plates iii 303, and the connection plate iii 303 and the connection plate i 301 are respectively clamped and tightly arranged in sequence by the clamping frame 304 and the clamping groove 307, at this time, the elastic member 305 is in a natural non-extending state, and the electric telescopic rod 5 is located in the accommodating groove of the dustproof mesh plate 2 and in a vertical state. The temperature sensor detects the temperature in the cabinet body 1 and sends the temperature to the PLC, and the rainfall sensor 7 detects whether it rains outdoors and the magnitude of the rainfall and sends the data to the PLC.
Temperature that detects when temperature sensor is greater than the interior temperature I of predetermineeing of PLC, and the rainfall that rainfall sensor 7 detected is zero or when the rainfall is less than predetermineeing rainfall I, PLC control electric telescopic handle 5 stretches out, electric telescopic handle 5 promotes I301 of connecting plate and outwards stretches out, immediately, elastic component 305 extends gradually, joint frame 304 breaks away from in the draw-in groove 307, between connecting plate II 306 and adjacent connecting plate III 303, between two adjacent connecting plates III 303, gradually separate to apart to at a distance of certain distance between connecting plate III 303 and the I301 of connecting plate, as shown in fig. 2, at this moment, the heat that the interior accurate electric power instrument of cabinet body 1 produced can disperse respectively in the hole in dustproof mesh plate 2 follow the heat dissipation part 3 that stretches out, the cooling surface is the whole side of the cabinet body 1 and a plurality of non-traditional ventilation holes this moment, the radiating efficiency is high.
The preset temperature i is a minimum temperature measured when the heat in the cabinet 1 reaches a certain degree and needs to be dissipated. The preset rainfall i is the maximum rainfall which is determined in advance that the heat dissipation part 3 is opened when raining and rainwater cannot splash into the cabinet 1. In the above-mentioned in-process, predetermine the temperature and also can set up a plurality of values, a plurality of values correspond electric telescopic handle 5's flexible length respectively to make when the temperature is less, only need electric telescopic handle 5 to stretch out less length, when the temperature is great, only need electric telescopic handle 5 to stretch out great length.
When the rainfall that rainfall sensor 7 detected was greater than preset rainfall I, PLC control electric telescopic handle 5 retracted, until getting back to initial condition to guarantee the safe handling of the interior precision instrument of cabinet body 1.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a good heat dissipation and waterproof precision instruments outdoor electric power cabinet which characterized in that: the rain sensor (7) is installed at the top of the cabinet body (1), a temperature sensor is installed in the cabinet body (1), a dustproof screen plate (2) is installed at an opening in one side face of the cabinet body (1), vertical limiting grooves (201) are fixedly arranged outside two side edges of the dustproof screen plate (2), limiting rods (302) are fixedly arranged on two sides of the heat dissipation part (3) respectively, the limiting rods (302) are clamped in the limiting grooves (201) so that the heat dissipation part (3) is clamped on the cabinet body (1), a vertical electric telescopic rod (5) is embedded in the middle of the dustproof screen plate (2), the lower end of the electric telescopic rod (5) is hinged on the dustproof screen plate (2), the upper end of the electric telescopic rod is hinged in the middle of the inner side of the heat dissipation part (3), and the heat dissipation part (3) is driven by the electric telescopic rod (5) to stretch; the electric telescopic rod (5), the temperature sensor and the rainfall sensor (7) are respectively electrically connected with the PLC;
the heat dissipation part (3) comprises a connecting plate II (306) positioned on the side edge and a connecting plate I (301) positioned in the middle, at least four connecting plates III (303) are sequentially arranged between the connecting plate II (306) and the connecting plate I (301), the middle parts of one sides, close to the connecting plate I (301), of the connecting plates II (306) and the connecting plates III (303) are fixedly provided with hollow clamping frames (304) with openings on only one side, one ends of elastic pieces (305) are fixedly arranged in the clamping frames (304), the other ends of the corresponding elastic pieces (305) on the connecting plates II (306) are fixedly arranged on the adjacent connecting plates III (303), the other ends of the corresponding elastic pieces (305) on the connecting plates III (303) are fixedly arranged on the adjacent connecting plates III (303), and the other ends of the corresponding elastic pieces (305) on the connecting plates III (303) close to the connecting plate I (301) are fixedly arranged on the connecting plate I (301); when the heat dissipation part (3) retracts to the initial state, the elastic element (305) is in a natural state, and the natural width of the elastic element (305) is the same as the width of the clamping frame (304).
2. The precision instrument outdoor power cabinet having excellent heat dissipation and waterproofing as set forth in claim 1, wherein: dustproof otter board (2) middle part is seted up and is used for holding the holding tank of electric telescopic handle (5), and the vertical setting of holding tank.
3. The precision instrument outdoor power cabinet having excellent heat dissipation and waterproofing as set forth in claim 1, wherein: one side of connecting plate III (303) keeping away from joint frame (304) is provided with draw-in groove (307) that supplies the opening edge joint of joint frame (304), draw-in groove (307) that supplies the opening edge joint of joint frame (304) are seted up respectively to the both sides of connecting plate I (301).
4. The precision instrument outdoor electric power cabinet having excellent heat dissipation and waterproofing as set forth in claim 1 or 3, wherein: the limiting groove (201) is a C-shaped groove, the bottom of the limiting groove is sealed, and the limiting rod (302) is cylindrical.
5. The precision instrument outdoor electric power cabinet having excellent heat dissipation and waterproofing as set forth in claim 1 or 3, wherein: the elastic member (305) is a plate-like elastic fiber cloth.
6. The precision instrument outdoor power cabinet having excellent heat dissipation and waterproofing as set forth in claim 4, wherein: the length of the limiting groove (201) is larger than that of the limiting rod (302), the top of the limiting groove (201) is connected with a limiting water baffle (4) in a clamping mode, the limiting water baffle (4) is entirely n-shaped, the width W of the top face of the limiting water baffle (4) is consistent with the width A of the cabinet body (1), the length L of the top face of the limiting water baffle (4) is larger than the sum of the length of the connecting plate I (301) in the same direction and the length of the dustproof screen plate (2) in the same direction, and the connecting plates II (306), III (303) and I (301) are the same in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910688090.0A CN110380351B (en) | 2019-07-29 | 2019-07-29 | Power cabinet with good heat dissipation and water resistance for precision instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910688090.0A CN110380351B (en) | 2019-07-29 | 2019-07-29 | Power cabinet with good heat dissipation and water resistance for precision instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110380351A CN110380351A (en) | 2019-10-25 |
| CN110380351B true CN110380351B (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910688090.0A Expired - Fee Related CN110380351B (en) | 2019-07-29 | 2019-07-29 | Power cabinet with good heat dissipation and water resistance for precision instrument |
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| Country | Link |
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| CN (1) | CN110380351B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116316170B (en) * | 2023-05-19 | 2023-08-08 | 江苏鸿山鸿锦物联技术有限公司 | Intelligent control system for safe electricity utilization |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE20002124U1 (en) * | 2000-02-07 | 2000-04-13 | Pfannenberg Otto Gmbh | Air passage device |
| EP1507323B1 (en) * | 2003-08-13 | 2012-10-03 | ABB Research Ltd. | Enclosed switchgear with heat-dissipating elements |
| DE102008004322B4 (en) * | 2008-01-15 | 2009-12-24 | Rittal Rcs Communication Systems Gmbh & Co. Kg | Air supply arrangement for a housing wall of a housing and housing with an air supply arrangement |
| CN107147013B (en) * | 2017-06-07 | 2019-03-01 | 江苏万奇电器集团有限公司 | A kind of water-tight device for switchgear |
| CN107370027A (en) * | 2017-08-14 | 2017-11-21 | 孙文站 | A kind of sand-proof outdoor electric cabinet |
| CN107985061B (en) * | 2017-12-28 | 2024-01-16 | 潍柴动力股份有限公司 | Automobile and air inlet grille assembly thereof |
| CN208111971U (en) * | 2018-04-27 | 2018-11-16 | 新昌县利拓科技有限公司 | A kind of electric power distributing cabinet of the Internet of Things with rainproof function |
| CN108493811A (en) * | 2018-05-02 | 2018-09-04 | 丁路勇 | A kind of high efficiency heat radiation power distribution cabinet |
| CN208831979U (en) * | 2018-06-20 | 2019-05-07 | 长春工业大学 | A kind of air compressor dustproof noise-reducing box |
| CN208369030U (en) * | 2018-06-29 | 2019-01-11 | 张家界立开成套电器有限责任公司 | A kind of power cabinet with water-proof function |
| CN108777821B (en) * | 2018-07-06 | 2020-06-16 | 深圳市天歌智能科技有限公司 | Telescopic heat dissipation audio amplifier |
| CN108988176B (en) * | 2018-07-28 | 2020-02-18 | 遵义长征输配电设备有限公司 | Intelligent temperature control power distribution cabinet |
| CN208459951U (en) * | 2018-08-14 | 2019-02-01 | 久创新能源科技（上海）有限公司 | A kind of microcomputer protecting device with dustproof and waterproof function |
| CN208834388U (en) * | 2018-08-31 | 2019-05-07 | 威海新北洋数码科技有限公司 | Automatic vending machine |
| CN109769362A (en) * | 2019-03-08 | 2019-05-17 | 陈新宇 | A kind of Cabinet that communication waterproof performance is good |
| CN109888629A (en) * | 2019-03-25 | 2019-06-14 | 江苏锦记智能电气科技有限公司 | A kind of electrical cabinet with heat dissipation dedusting function |
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2019
- 2019-07-29 CN CN201910688090.0A patent/CN110380351B/en not_active Expired - Fee Related
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Granted publication date: 20200707 |