CN113766778B - Power electrical cabinet with good heat dissipation performance - Google Patents
Power electrical cabinet with good heat dissipation performance Download PDFInfo
- Publication number
- CN113766778B CN113766778B CN202111065959.XA CN202111065959A CN113766778B CN 113766778 B CN113766778 B CN 113766778B CN 202111065959 A CN202111065959 A CN 202111065959A CN 113766778 B CN113766778 B CN 113766778B
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- electrical cabinet
- square
- fixed
- box
- shaped cavity
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a power electrical cabinet with good heat dissipation, and belongs to the technical field of electrical cabinets. The electrical cabinet comprises an electrical cabinet box, a motor is fixed on the right surface of the electrical cabinet box, and an output shaft of the motor is sleeved with a rotating rod and extends out of the left surface of the electrical cabinet box in a penetrating manner; a square-shaped cavity is fixed on the left surface of the electric cabinet box, and a filter screen plate is vertically arranged in the square-shaped cavity to divide the interior of the square-shaped cavity into a filter area and an exhaust area; a reciprocating screw rod is arranged in a filtering area of the square-shaped cavity, a reciprocating nut is movably sleeved on the reciprocating screw rod, and a cleaning device with a water spraying hole at the right side is arranged on the reciprocating nut; the left surface of the electric cabinet box is also fixed with a water pump negative pressure box, the right surface of the electric cabinet box is communicated and connected with an air exhaust cavity, and fan blades are arranged inside the air exhaust cavity. According to the invention, the air entering the electrical cabinet is cooled and filtered, so that dust and debris are effectively prevented from entering the electrical cabinet, and the heat dissipation effect can be improved.
Description
Technical Field
The invention relates to the technical field of electrical cabinets, in particular to an electrical cabinet with good heat dissipation performance.
Background
The electrical cabinet is a cabinet which is processed by steel materials and used for protecting components from working normally. The electrical cabinet manufacturing materials are generally divided into two types, namely hot-rolled steel plates and cold-rolled steel plates. The cold-rolled steel sheet is softer than hot-rolled steel sheet material, more is fit for the preparation of regulator cubicle. The electrical cabinet has wide application, and is mainly used in the chemical industry, the environmental protection industry, the power system, the metallurgical system, the nuclear power industry, the fire safety monitoring, the traffic industry and the like.
High heat can be generated in the current exchange process, and if the used electrical cabinet has poor heat dissipation, high temperature is easily generated to cause accidents; the ventilation means who uses usually sets up the vent around the regulator cubicle for the heat dissipation, but in long-term use dust and debris easily entered into the regulator cubicle through the vent, long-time accumulated dust and debris can lead to the inside components and parts heat-sinking capability of regulator cubicle to descend, and long-time high temperature state operation finally leads to the life of components and parts to descend, can lead to components and parts spontaneous combustion to lead to the fact economic loss under the severe conditions.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the power electrical cabinet with good heat dissipation performance, which can cool and filter air entering the electrical cabinet without arranging ventilation openings on the periphery, effectively prevents dust and debris from entering the electrical cabinet, and can improve the heat dissipation effect.
The invention is realized by adopting the following technical scheme:
a power electrical cabinet with good heat dissipation performance comprises an electrical cabinet box, wherein a motor is fixed on the right surface of the electrical cabinet box, and an output shaft of the motor is sleeved with a rotating rod and penetrates and extends out of the left surface of the electrical cabinet box;
a square-shaped cavity is fixed on the left surface of the electric cabinet box, a filter screen plate is vertically arranged in the square-shaped cavity to divide the interior of the square-shaped cavity into a filtering area and an exhaust area from left to right, and a sewage discharge port is arranged on the lower surface of the square-shaped cavity and connected with a sewage discharge pipeline;
a reciprocating screw rod is arranged in a filtering area of the square-shaped cavity, a reciprocating nut is movably sleeved on the reciprocating screw rod, a cleaning device with a water spraying hole at the right side is arranged on the reciprocating nut, and the upper end of the reciprocating screw rod penetrates through the upper surface of the square-shaped cavity and is in transmission connection with the rotating rod through a bevel gear transmission assembly;
the upper surface of the exhaust area of the square-shaped cavity is communicated and connected with one end of an air inlet pipe, and the other end of the air inlet pipe penetrates into the electric cabinet box;
a water pump negative pressure tank is fixed on the left surface of the electric cabinet box, the output end of the water pump negative pressure tank is connected with the cleaning device through a pipeline, the input end of the water pump negative pressure tank is connected with the water supply tank, and the upper end of a rotating shaft of the water pump negative pressure tank penetrates through the bottom surface of the square-shaped cavity and is fixedly connected with the lower end of the reciprocating screw rod;
the right surface intercommunication of electric cabinet case is connected with the cavity of airing exhaust, and the inside of the cavity of airing exhaust is fixed with the filter plate, is provided with the round bar on the filter plate, is connected through the transmission of band pulley drive assembly between round bar and the dwang, is provided with the flabellum that is located the cavity of airing exhaust inside on the round bar.
Furthermore, a water storage tank is fixed on the lower surface of the electric cabinet box, and the input end of the water pump negative pressure box is connected with the water storage tank.
Furthermore, a filtering partition plate is transversely arranged in the water storage tank, the input end of the water pump negative pressure tank is connected with the water outlet end of the water storage tank, and the water outlet end of the water storage tank is positioned at the upper part of the filtering partition plate.
Furthermore, the water storage tank is provided with a sewage pipe which is positioned at the lower part of the filtering partition plate, and a sewage outlet of the square-back cavity is communicated and connected with the sewage pipe.
Further, belt cleaning device includes and is connected fixed long board with reciprocal nut, is fixed in the closed side pipe on long board right side to and set up in the brush on closed side pipe upper portion, the right side of brush contacts with the left surface of filter plate, and a plurality of hole for water jets have been seted up to the right surface equidistance of closed side pipe.
Furthermore, the bevel gear transmission assembly comprises a driving bevel gear fixed at the left end of the rotating rod and a driven bevel gear fixed at the upper end of the reciprocating screw rod, and the driving bevel gear and the driven bevel gear are in meshing transmission.
Further, the belt pulley transmission assembly comprises a driving belt pulley which is fixedly sleeved on the rotating rod and a driven belt pulley which is fixedly sleeved on the round rod, and the driving belt pulley and the driven belt pulley are connected through belt transmission.
Furthermore, the front side of the electric cabinet box is rotatably connected with a door leaf through a hinge, a handle is fixed on the front surface of the door leaf, and supporting legs are fixed at four corners of the lower surface of the electric cabinet box.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
1. through the combined use of the reciprocating screw rod, the reciprocating nut, the cleaning device, the filter screen plate and the water pump negative pressure tank, the filter screen plate can be cleaned while dust filtration and debris blocking are carried out on air entering the electric cabinet, the filtering effect is maintained, the air can be cooled, and the heat dissipation effect is improved;
2. the belt wheel transmission assembly, the exhaust chamber, the filter screen plate, the round rod and the fan blades are combined for use, so that the air flow in the electric cabinet can be enhanced, and the heat dissipation efficiency is improved;
3. the water storage tank is arranged, and the filtering partition plate is transversely arranged in the water storage tank, so that the cleaned water is filtered, the service time is prolonged, and the environment is protected;
4. according to the invention, the dust contained in the air entering the electrical cabinet can be treated when the electrical cabinet dissipates heat, and the air about to enter the electrical cabinet is cooled in advance in a water cooling mode, so that the heat generated by the operation of components in the electrical cabinet is brought out of the electrical cabinet, the components in the electrical cabinet are always kept in the optimal operating state, and the service life of the components is prolonged.
Drawings
Fig. 1 is a front view of an electrical cabinet with good heat dissipation performance according to the present invention.
Fig. 2 is a front cross-sectional view of an electrical cabinet with good heat dissipation performance according to the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure:
1-an electric cabinet box, 2-a motor, 3-a rotating rod, 4-a bevel gear transmission component, 5-a square chamber, 6-a reciprocating screw rod, 7-a reciprocating nut, 8-a long plate, 9-a closed square tube, 10-a filter screen plate, 11-a water pump negative pressure box, 12-an air inlet pipe, 13-a belt wheel transmission component, 14-an exhaust chamber, 15-a filter screen plate, 16-a round rod, 17-a fan blade, 18-a water storage tank and 19-a filter clapboard.
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.
As shown in fig. 1 to 3, the power electrical cabinet with good heat dissipation performance provided by the invention comprises an electrical cabinet box 1, wherein a motor 2 is fixed on the right surface of the electrical cabinet box 1, and an output shaft of the motor 2 is sleeved with a rotating rod 3 and extends out of the left surface of the electrical cabinet box 1 in a penetrating manner.
The left surface of the electric cabinet box 1 is fixed with a clip-shaped cavity 5, the inside of the clip-shaped cavity 5 is vertically provided with a filter screen plate 10 which divides the inside of the clip-shaped cavity 5 into a filtering area and an exhaust area from left to right, the lower surface of the clip-shaped cavity 5 is provided with a sewage outlet which is connected with a sewage pipeline, and the filter screen plate 10 is used for filtering and dedusting air entering the electric cabinet.
A reciprocating screw rod 6 is arranged in a filtering area of the square-shaped cavity 5, a reciprocating nut 7 is movably sleeved on the reciprocating screw rod 6, a cleaning device with a water spraying hole on the right side is arranged on the reciprocating nut 7, and the upper end of the reciprocating screw rod 6 penetrates through the upper surface of the square-shaped cavity 5 and is in transmission connection with the rotating rod 3 through a bevel gear transmission assembly 4.
The upper surface of the exhaust area of the square-shaped chamber 5 is communicated with one end of an air inlet pipe 12, and the other end of the air inlet pipe 12 penetrates into the electric cabinet 1.
The left surface of the electric cabinet box 1 is also fixed with a water pump negative pressure box 11, the output end of the water pump negative pressure box 11 is connected with a cleaning device through a pipeline, the input end of the water pump negative pressure box 11 is connected with a water tank, and the upper end of the rotating shaft of the water pump negative pressure box 11 penetrates through the bottom surface of the square-shaped cavity 5 and is fixedly connected with the lower end of the reciprocating screw rod 6.
The right surface of the electric cabinet box 1 is communicated and connected with an exhaust cavity 14, a filter screen plate 15 is fixed inside the exhaust cavity 14, a round rod 16 is arranged on the filter screen plate 15, the round rod 16 is in transmission connection with the rotating rod 3 through a belt wheel transmission component 13, and fan blades 17 located inside the exhaust cavity 14 are arranged on the round rod 16.
In an alternative embodiment, a water storage tank 18 is fixed on the lower surface of the electrical cabinet box 1, the input end of the water pump negative pressure tank 11 is connected with the water storage tank 18, the water storage tank is connected with a water supply pipeline, and the water storage tank 18 is used for stably supplying water when the electrical cabinet dissipates heat in use. Optionally, a valve is arranged on the water supply pipeline, and the valve can be matched with equipment application for switching.
Preferably, the inside of the water storage tank 18 is transversely provided with a filtering partition plate 19, the input end of the water pump negative pressure tank 11 is connected with the water outlet end of the water storage tank, the water outlet end of the water storage tank is positioned at the upper part of the filtering partition plate 19, the arrangement of the filtering partition plate 19 can effectively prevent impurities from being sucked into the zigzag chamber 5 again to cause pollution, and the quality of a water supply source is ensured.
In an alternative embodiment, the water storage tank 18 is provided with a sewage pipe which is positioned at the lower part of the filtering partition plate 19, and the sewage outlet of the square-shaped chamber 5 is communicated and connected with the sewage pipe. Therefore, sewage cleaned by the filter screen plate 10 flows to the bottom of the water storage tank 18 through the sewage pipe and is filtered by the filter partition plate 19 to be recycled, and water is saved.
In an optional embodiment, the cleaning device comprises a long plate 8 fixedly connected with a reciprocating nut 7, a closed square tube 9 fixed on the right side of the long plate 8, and a brush arranged on the upper portion of the closed square tube 9, wherein the right side of the brush is in contact with the left surface of a filter screen plate 10, a plurality of water spray holes are formed in the right surface of the closed square tube 9 at equal intervals, a conveying tube is connected to the lower surface of the closed square tube 9 in a communicating mode, and the other end of the conveying tube is connected with the output end of a water pump negative pressure box 11 through a hose. The brush is used for brushing the surface of the filter screen plate 10, so that the cleaning effect is enhanced.
In an alternative embodiment, the bevel gear transmission assembly 4 comprises a driving bevel gear fixed at the left end of the rotating rod 3 and a driven bevel gear fixed at the upper end of the reciprocating screw rod 6, and the driving bevel gear and the driven bevel gear are in mesh transmission.
In an alternative embodiment, the pulley assembly 13 comprises a driving pulley fixedly mounted on the rotating rod 3 and a driven pulley fixedly mounted on the round rod 16, and the driving pulley and the driven pulley are connected by a belt transmission.
In an alternative embodiment, the front side of the electrical cabinet 1 is rotatably connected with a door leaf through a hinge, a handle is fixed on the front surface of the door leaf, and supporting legs are fixed at four corners of the lower surface of the electrical cabinet 1.
The working principle is as follows: when the electric cabinet works, the output shaft of the motor 2 drives the rotating rod 3 to rotate, so that a driving belt pulley on the rotating rod 3 and a driven belt pulley on the round rod 16 are in belt transmission, the round rod 16 on the filter screen plate 15 rotates, and the fan blades 17 fixed on the round rod 16 generate air flow in the exhaust cavity 14, so that the negative pressure in the electric cabinet 1 is realized, and the heat dissipation is facilitated; meanwhile, a driving bevel gear fixed on the rotating rod 3 is in meshed transmission with a driven bevel gear on the reciprocating screw rod 6, so that a reciprocating nut 7 on the reciprocating screw rod 6 can reciprocate up and down in the square-shaped cavity 5, a square-closed pipe 9 fixed on the reciprocating nut 7 through a long plate 8 and a brush can move up and down, and the lower end of the reciprocating screw rod 6 drives a rotating shaft of a negative pressure tank 11 of the water pump to rotate, so that water in a water storage tank 18 is conveyed into the square-closed pipe 9 through the negative pressure tank 11 of the water pump, the water is sprayed onto the filter screen plate 10 through a water spraying hole formed in the right surface of the square-closed pipe 9 to clean the filter screen plate 10, the surface of the filter screen plate 10 is scrubbed through the brush, and the cleaning effect is enhanced. And the air is pre-cooled by the water sprayed by the closed square tube 9, so that the relatively cold air filtered by the filter screen plate 10 enters the electric cabinet box 1 through the air inlet pipe 12, the heat is discharged from the exhaust chamber 14, the heat dissipation effect is improved, and the possibility of dust entering the electric cabinet box 1 is reduced.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The electric power electrical cabinet with good heat dissipation performance comprises an electrical cabinet box (1) and is characterized in that a motor (2) is fixed on the right surface of the electrical cabinet box (1), and an output shaft of the motor (2) is sleeved with a rotating rod (3) and extends out of the left surface of the electrical cabinet box (1) in a penetrating manner;
a square-shaped cavity (5) is fixed on the left surface of the electric cabinet box (1), a filter screen plate (10) is vertically arranged in the square-shaped cavity (5) to divide the inside of the square-shaped cavity (5) into a filtering area and an exhaust area from left to right, and a sewage discharge outlet is arranged on the lower surface of the square-shaped cavity (5) and connected with a sewage discharge pipeline;
a reciprocating screw rod (6) is arranged in a filtering area of the square-shaped cavity (5), a reciprocating nut (7) is movably sleeved on the reciprocating screw rod (6), a cleaning device with a water spraying hole on the right side is arranged on the reciprocating nut (7), and the upper end of the reciprocating screw rod (6) penetrates through the upper surface of the square-shaped cavity (5) and is in transmission connection with the rotating rod (3) through a bevel gear transmission assembly (4);
the upper surface of an exhaust area of the square-shaped chamber (5) is communicated and connected with one end of an air inlet pipe (12), and the other end of the air inlet pipe (12) penetrates into the electric cabinet (1);
a water pump negative pressure box (11) is further fixed on the left surface of the electric cabinet box (1), the output end of the water pump negative pressure box (11) is connected with the cleaning device through a pipeline, the input end of the water pump negative pressure box (11) is connected with the water tank, and the upper end of a rotating shaft of the water pump negative pressure box (11) penetrates through the bottom surface of the square-shaped cavity (5) and is fixedly connected with the lower end of the reciprocating screw rod (6);
the right surface of the electric cabinet (1) is communicated and connected with an exhaust chamber (14), a filter screen plate (15) is fixed inside the exhaust chamber (14), a round rod (16) is arranged on the filter screen plate (15), the round rod (16) is in transmission connection with the rotating rod (3) through a belt wheel transmission component (13), and a fan blade (17) positioned inside the exhaust chamber (14) is arranged on the round rod (16);
a water storage tank (18) is fixed on the lower surface of the electric cabinet box (1), and the input end of the water pump negative pressure tank (11) is connected with the water storage tank (18);
a filtering partition plate (19) is transversely arranged in the water storage tank (18), the input end of the water pump negative pressure tank (11) is connected with the water outlet end of the water storage tank, and the water outlet end of the water storage tank is positioned at the upper part of the filtering partition plate (19);
the cleaning device comprises a long plate (8) fixedly connected with a reciprocating nut (7), a closed square tube (9) fixed to the right side of the long plate (8), and a brush arranged on the upper portion of the closed square tube (9), wherein the right side of the brush is in contact with the left surface of a filter screen plate (10), and a plurality of water spraying holes are formed in the right surface of the closed square tube (9) at equal intervals.
2. The electrical cabinet with good heat dissipation performance according to claim 1, wherein the water storage tank (18) is provided with a sewage pipe which is positioned at the lower part of the filtering partition plate, and a sewage discharge outlet of the rectangular chamber (5) is connected with the sewage pipe in a communication way.
3. The electrical cabinet with good heat dissipation performance according to claim 1, wherein the bevel gear transmission assembly (4) comprises a driving bevel gear fixed at the left end of the rotating rod (3) and a driven bevel gear fixed at the upper end of the reciprocating screw rod (6), and the driving bevel gear and the driven bevel gear are in mesh transmission.
4. The cabinet according to claim 1, wherein the pulley assembly (13) comprises a driving pulley fixed to the rotating rod (3) and a driven pulley fixed to the round rod (16), and the driving pulley and the driven pulley are connected by a belt drive.
5. The electrical cabinet with good heat dissipation performance as claimed in any one of claims 1 to 4, wherein a door is rotatably connected to the front side of the electrical cabinet (1) through a hinge, a handle is fixed to the front surface of the door, and support legs are fixed to four corners of the lower surface of the electrical cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111065959.XA CN113766778B (en) | 2021-09-13 | 2021-09-13 | Power electrical cabinet with good heat dissipation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111065959.XA CN113766778B (en) | 2021-09-13 | 2021-09-13 | Power electrical cabinet with good heat dissipation performance |
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| Publication Number | Publication Date |
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| CN113766778A CN113766778A (en) | 2021-12-07 |
| CN113766778B true CN113766778B (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111065959.XA Active CN113766778B (en) | 2021-09-13 | 2021-09-13 | Power electrical cabinet with good heat dissipation performance |
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| CN (1) | CN113766778B (en) |
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| CN213754866U (en) * | 2020-12-31 | 2021-07-20 | 深圳市多乐声电子有限公司 | Wireless AI intelligence audio amplifier with dustproof protective structure |
| CN213991341U (en) * | 2021-01-04 | 2021-08-17 | 淮南联合大学 | Mine drainage substation control device |
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| CN212114354U (en) * | 2020-05-22 | 2020-12-08 | 广东昊宇电气自动化设备有限公司 | Easily clean switch board |
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|---|---|---|---|---|
| CN207688370U (en) * | 2017-12-22 | 2018-08-03 | 科越工程(苏州）有限公司 | A kind of air-conditioner host with cleaning mechanism |
| CN208285202U (en) * | 2018-04-13 | 2018-12-25 | 杭州华电自控设备有限公司 | A kind of intelligence dedusting frequency-conversion control cabinet |
| CN211349288U (en) * | 2020-03-27 | 2020-08-25 | 徐州工业职业技术学院 | Combined heat dissipation device for heat dissipation of computer |
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| CN213694653U (en) * | 2020-11-19 | 2021-07-13 | 泰兴市常宏通灵电器有限公司 | Bending type temperature control protector |
| CN112436391A (en) * | 2020-12-16 | 2021-03-02 | 杭州先鑫智能技术有限公司 | Intelligent power switch cabinet device for industrial automatic control system |
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| Publication number | Publication date |
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| CN113766778A (en) | 2021-12-07 |
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