CN112600095B - Switch board with dampproofing cooling function - Google Patents
Switch board with dampproofing cooling function Download PDFInfo
- Publication number
- CN112600095B CN112600095B CN202011447019.2A CN202011447019A CN112600095B CN 112600095 B CN112600095 B CN 112600095B CN 202011447019 A CN202011447019 A CN 202011447019A CN 112600095 B CN112600095 B CN 112600095B
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- CN
- China
- Prior art keywords
- cabinet body
- cabinet
- shaped rod
- dust cover
- sleeved
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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
- H02B1/32—Mounting of devices therein
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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
-
- 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
- H02B1/54—Anti-seismic devices or installations
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a power distribution cabinet with a damp-proof cooling function, which comprises a cabinet body, wherein a hinge is arranged on the right side of the cabinet body, a cabinet door is arranged on the right side of the hinge, a base is arranged below the cabinet body, a threaded support column is connected onto the base, a first fixing nut is sleeved on the threaded support column, a rubber ring is arranged above the first fixing nut, a second fixing nut is arranged above the rubber ring, and a temperature sensor is arranged in the cabinet body. Carry out dustproof protection to air inlet fan and exhaust fan through the design has first dust cover and second dust cover, has also avoided the internal portion of cabinet when need not the heat dissipation, and the humidity in the basement passes through air intake and air exit entering cabinet internal portion, erodees the electronic component of the internal of cabinet. Through the design at internal portion of cabinet be equipped with dry layer and pressure spring, not only absorb the moisture that the internal portion of cabinet carried out the air, also carry out the shock attenuation through pressure spring to the electronic component of baffle top installation.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet with a moisture-proof and cooling function.
Background
The power distribution cabinet is an important device in a power system and is a final-stage device of a power distribution system. Power distribution cabinets are widely used in various industries. The power distribution cabinet is an effective management means which is adopted for ensuring safe and stable operation of a power grid, external reliable power supply and orderly operation of various power production works.
According to operational environment's difference, can choose for use open-type, closed or explosion-proof formula switch board, have various electrical element, instrument, switch and circuit in the switch board, when the high temperature in the switch board, burn out electrical element easily, when humidity is too big in the switch board, make the circuit short circuit easily, light then make the unable normal work of switch board, the heavy conflagration that then arouses causes huge economic loss.
At present, most of power distribution cabinets used in basements are installed in basements, the basements are wet in ground, more in dust and poor in ventilation effect, so that the power distribution cabinets used in the basements need to perform good moisture-proof cooling and dust-proof work, and therefore the invention provides the power distribution cabinet with the moisture-proof cooling function, and the problems brought forward in the background technology are solved.
Disclosure of Invention
The invention aims to provide a power distribution cabinet with a moisture-proof and temperature-reducing function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a power distribution cabinet with moisture-proof and temperature-reducing functions comprises a cabinet body, wherein a hinge is arranged on the right side of the cabinet body, a cabinet door is arranged on the right side of the hinge, a base is arranged below the cabinet body, a threaded support column is connected on the base, a first fixing nut is sleeved on the threaded support column, a rubber ring is arranged above the first fixing nut, a second fixing nut is arranged above the rubber ring, a temperature sensor is arranged in the cabinet body, a fixed seat is arranged on the right side of the temperature sensor, an external receiver is arranged below the fixed seat, a control chip is arranged below the external receiver, a partition plate is arranged below the control chip, a plurality of pressure springs are connected to the lower side of the partition plate, a storage battery is arranged below the partition plate, be provided with the drying layer in the battery bottom, be provided with into fan on the right side wall of the cabinet body, be provided with the exhaust fan on the left side wall of the cabinet body.
The novel electric water heater is characterized in that a stepping motor is arranged in the fixing seat, a driving shaft is connected to the rear end of the stepping motor, a sealing sleeve is sleeved on the periphery of the driving shaft, the rear end of the driving shaft is connected with a connecting block, a limiting groove is formed in the connecting block, a first L-shaped rod is arranged above the sealing sleeve, a first limiting block is sleeved on the first L-shaped rod, a second L-shaped rod is arranged below the sealing sleeve, and a second limiting block is sleeved on the second L-shaped rod.
As a further scheme of the invention, a first dust cover is sleeved on the right side of the air inlet fan, a second dust cover is sleeved on the left side of the exhaust fan, fixing bolts are connected to the rear ends of the first dust cover and the second dust cover, the first L-shaped rod is fixedly connected with the first dust cover through the fixing bolts, and the second L-shaped rod is fixedly connected with the second dust cover through the fixing bolts.
As a further scheme of the invention, the first L-shaped rod and the second L-shaped rod are both provided with a connecting shaft, and the connecting shafts are clamped with the connecting block through limiting grooves.
As a further scheme of the present invention, the first L-shaped lever is slidably engaged with the rear end of the cabinet through a first stopper, and the second L-shaped lever is slidably engaged with the rear end of the cabinet through a second stopper.
As a further scheme of the invention, the stepping motor is fixedly connected with the rear wall of the cabinet body through the fixed seat, the driving shaft is in driving connection with the stepping motor, the sealing sleeve penetrates through the rear wall of the cabinet body, and the driving shaft penetrates through the rear wall of the cabinet body through the sealing sleeve.
As a further scheme of the invention, the partition plate is fixedly connected with the upper end of the pressure spring, and the lower end of the pressure spring is in abutting engagement with the top end of the threaded support column.
As a further scheme of the invention, the drying layer is fixedly connected with the bottom end in the cabinet body, and the filler in the drying layer is a drying agent.
As a further scheme of the invention, the cabinet body is connected with the cabinet door through a hinge, and the left side of the cabinet door is provided with a door lock.
Compared with the prior art, the invention has the beneficial effects that:
1. carry out dustproof protection to air inlet fan and exhaust fan through the design has first dust cover and second dust cover, has also avoided the internal portion of cabinet when need not the heat dissipation, and the humidity in the basement passes through air intake and air exit entering cabinet internal portion, erodees the electronic component of the internal of cabinet.
2. Through the design, a drying layer and a pressure spring are arranged in the cabinet body, so that not only is the moisture of air absorbed in the cabinet body, but also the electronic elements and other parts mounted above the partition plate are damped through the pressure spring.
Drawings
Fig. 1 is a schematic structural diagram of a power distribution cabinet with a moisture-proof cooling function.
Fig. 2 is a schematic structural diagram of the back surface of a power distribution cabinet with a moisture-proof and temperature-reducing function.
Fig. 3 is a schematic structural diagram of a side inlet face of a power distribution cabinet with a moisture-proof cooling function.
Fig. 4 is an enlarged schematic view of a position a in fig. 1 in a power distribution cabinet with a moisture-proof and temperature-reducing function.
Fig. 5 is an enlarged schematic diagram of a position B in fig. 2 in a power distribution cabinet with a moisture-proof and temperature-reducing function.
Fig. 6 is a working flow chart of a temperature sensor in a power distribution cabinet with moisture-proof and temperature-reducing functions.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. a hinge; 4. a door lock; 5. a base; 6. a threaded support post; 7. a temperature sensor; 8. an external receiver; 9. a control chip; 10. a fixed seat; 11. a stepping motor; 12. a storage battery; 13. a fan inlet; 14. an exhaust fan; 15. a first L-shaped bar; 16. a second L-shaped bar; 17. a first dust cover; 18. a second dust cover; 19. a first stopper; 20. a second limiting block; 21. fixing the bolt; 22. a partition plate; 23. a pressure spring; 24. drying the layer; 25. fixing a first nut; 26. a rubber ring; 27. fixing a second nut; 28. a drive shaft; 29. sealing sleeves; 30. connecting blocks; 31. a limiting groove; 34. and (7) connecting the shafts.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 6, in the embodiment of the present invention, a power distribution cabinet with a moisture-proof cooling function includes a cabinet body 1, and is characterized in that a hinge 3 is disposed on the right side of the cabinet body 1, a cabinet door 2 is disposed on the right side of the hinge 3, the cabinet body 1 is connected to the cabinet door 2 through the hinge 3, a door lock 4 is disposed on the left side of the cabinet door 2, a base 5 is disposed below the cabinet body 1, a threaded support column 6 is connected to the base 5, a first fixing nut 25 is sleeved on the threaded support column 6, a rubber ring 26 is disposed above the first fixing nut 25, a second fixing nut 27 is disposed above the rubber ring 26, a temperature sensor 7 is mounted inside the cabinet body 1, a fixing seat 10 is disposed on the right side of the temperature sensor 7, an external receiver 8 is disposed below the fixing seat 10, and a control chip 9 is disposed below the external receiver 8, a clapboard 22 is arranged below the control chip 9, the clapboard 22 is fixedly connected with the upper end of a pressure spring 23, the lower end of the pressure spring 23 is pressed and meshed with the top end of the threaded support column 6, a plurality of pressure springs 23 are connected with the lower side of the clapboard 22, a storage battery 12 is arranged below the clapboard 22, a drying layer 24 is arranged at the bottom end of the storage battery 12, the drying layer 24 is fixedly connected with the bottom end in the cabinet body 1, the filler in the drying layer 24 is a drying agent, the right side wall of the cabinet body 1 is provided with an air inlet fan 13, the left side wall of the cabinet body 1 is provided with an exhaust fan 14, the right side of the air inlet fan 13 is sleeved with a first dust cover 17, the left side of the exhaust fan 14 is sleeved with a second dust cover 18, the rear ends of the first dust cover 17 and the second dust cover 18 are both connected with a fixing bolt 21, the first L-shaped rod 15 is fixedly connected with the first dust cover 17 through the fixing bolt 21, and the second L-shaped rod 16 is fixedly connected with the second dust cover 18 through the fixing bolt 21.
A stepping motor 11 is arranged in the fixed seat 10, the stepping motor 11 is fixedly connected with the rear wall of the cabinet body 1 through the fixed seat 10, a driving shaft 28 is in driving connection with the stepping motor 11, a sealing sleeve 29 penetrates through the rear wall of the cabinet body 1, the driving shaft 28 penetrates through the rear wall of the cabinet body 1 through the sealing sleeve 29, the rear end of the stepping motor 11 is connected with a driving shaft 28, the peripheral side of the driving shaft 28 is sleeved with a sealing sleeve 29, the rear end of the driving shaft 28 is connected with a connecting block 30, a limiting groove 31 is arranged on the connecting block 30, a first L-shaped rod 15 is arranged above the sealing sleeve 29, a first limiting block 19 is sleeved on the first L-shaped rod 15, a second L-shaped rod 16 is arranged below the sealing sleeve 29, a second limiting block 20 is sleeved on the second L-shaped rod 16, and the first L-shaped rod 15 and the second L-shaped rod 16 are both provided with a connecting shaft 34, and the connecting shaft 34 is clamped with the connecting block 30 through a limiting groove 31.
The working principle of the invention is as follows:
the device is provided with temperature sensor 7 in the cabinet body 1, temperature sensor 7 responds to the temperature of the cabinet body 1 inside, after the temperature surpassed the safety range, simultaneously to external receiver 8 and control chip 9 signals by temperature sensor 7, inform the staff of control switch board through external receiver 8, supply power to step motor 11 through control chip 9 control battery 12 simultaneously, open through the first dust cover 17 of 11 operation controls of step motor and second dust cover 18, supply power to air inlet fan 13 and exhaust fan 14 simultaneously through control chip 9 control battery 12 simultaneously and operate, reach the dispersion to the internal temperature of cabinet body 1, make its cooling.
A first dust cover 17 and a second dust cover 18 in the device are correspondingly connected with a first L-shaped rod 15 and a second L-shaped rod 16 through fixing bolts 21, a driving shaft 28 is connected at the rear end of a stepping motor 11, the driving shaft 28 is fixedly connected with a connecting block 30, the driving shaft 28 operates to drive the connecting block 30 to rotate, the connecting block 30 is movably sleeved with a connecting shaft 34 on the first L-shaped rod 15 and the second L-shaped rod 16, the connecting shaft 34 is arranged in a limiting groove 31, when the connecting block 30 rotates, the limiting groove 31 arranged on the connecting block 30 opens the movable range of the connecting shaft 34 in advance to avoid the connecting shaft 34 from being clamped with the connecting block 30, the first L-shaped rod 15 and the second L-shaped rod 16 move in opposite directions through the connecting shaft 34, the first dust cover 17 and the second dust cover 18 which are connected are opened to ensure that an air inlet fan 13 and a fan 14 normally operate, the inside of the cabinet body 1 is radiated.
Be provided with dry layer 24 in the inside bottom of the cabinet body 1, the drier of the interior packing of dry layer 24 absorbs the moisture to the cabinet body 1 inside, become the electronic component that the moisture invaded the cabinet body 1 inside, and be connected with a plurality of compression spring 23 at the baffle 22 lower extreme of the cabinet body 1 inside, the top of compression spring 23 and screw thread support column 6 supports and presses, reach the shock attenuation effect to baffle 22, avoid under some special circumstances, vibrations take place for the cabinet body 1 for inside electronic component receives vibrations and harms.
And the cabinet body 1 that supports is fixed to the fixation nut 25 and the fixation nut 27 that set up on threaded support rod 6, in order to avoid the nut directly to cause the wearing and tearing of the cabinet body 1 with cabinet body 1 contact, consequently be provided with rubber ring 26 on fixation nut 25 and protect, and fixation nut 27 sets up on dry layer 24, has dry layer 24 to protect cabinet body 1.
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 as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. A power distribution cabinet with moisture-proof and temperature-reducing functions comprises a cabinet body (1) and is characterized in that a hinge (3) is arranged on the right side of the cabinet body (1), a cabinet door (2) is arranged on the right side of the hinge (3), a base (5) is arranged below the cabinet body (1), a threaded support column (6) is connected onto the base (5), a first fixing nut (25) is sleeved on the threaded support column (6), a rubber ring (26) is arranged above the first fixing nut (25), a second fixing nut (27) is arranged above the rubber ring (26), a temperature sensor (7) is installed inside the cabinet body (1), a fixing seat (10) is arranged on the right side of the temperature sensor (7), an external receiver (8) is arranged below the fixing seat (10), a control chip (9) is arranged below the external receiver (8), and a partition plate (22) is arranged below the control chip (9), the lower side of the partition plate (22) is connected with a plurality of pressure springs (23), a storage battery (12) is arranged below the partition plate (22), a drying layer (24) is arranged at the bottom end of the storage battery (12), a fan inlet (13) is arranged on the right side wall of the cabinet body (1), and an exhaust fan (14) is arranged on the left side wall of the cabinet body (1);
a stepping motor (11) is arranged in the fixed seat (10), a driving shaft (28) is connected to the rear end of the stepping motor (11), a sealing sleeve (29) is sleeved on the periphery of the driving shaft (28), a connecting block (30) is connected to the rear end of the driving shaft (28), a limiting groove (31) is formed in the connecting block (30), a first L-shaped rod (15) is arranged above the sealing sleeve (29), a first limiting block (19) is sleeved on the first L-shaped rod (15), a second L-shaped rod (16) is arranged below the sealing sleeve (29), and a second limiting block (20) is sleeved on the second L-shaped rod (16);
a first dust cover (17) is sleeved on the right side of the air inlet fan (13), a second dust cover (18) is sleeved on the left side of the exhaust fan (14), the rear ends of the first dust cover (17) and the second dust cover (18) are both connected with a fixing bolt (21), the first L-shaped rod (15) is fixedly connected with the first dust cover (17) through the fixing bolt (21), and the second L-shaped rod (16) is fixedly connected with the second dust cover (18) through the fixing bolt (21);
the first L-shaped rod (15) and the second L-shaped rod (16) are both provided with a connecting shaft (34), and the connecting shaft (34) is clamped with the connecting block (30) through a limiting groove (31);
step motor (11) pass through fixing base (10) and the rear wall fixed connection of cabinet body (1), drive shaft (28) and step motor (11) drive connection, seal cover (29) run through cabinet body (1) rear wall, and drive shaft (28) pass cabinet body (1) rear wall through seal cover (29).
2. The power distribution cabinet with the moisture-proof and temperature-reducing functions according to claim 1, wherein the first L-shaped rod (15) is slidably engaged with the rear end of the cabinet body (1) through a first limiting block (19), and the second L-shaped rod (16) is slidably engaged with the rear end of the cabinet body (1) through a second limiting block (20).
3. The power distribution cabinet with the moisture-proof and temperature-reducing functions according to claim 1, wherein the partition plate (22) is fixedly connected with the upper end of the pressure spring (23), and the lower end of the pressure spring (23) is in pressing engagement with the top end of the threaded support column (6).
4. The power distribution cabinet with the moisture-proof and temperature-reducing functions according to claim 1, wherein the drying layer (24) is fixedly connected with the bottom end inside the cabinet body (1), and the filler in the drying layer (24) is a desiccant.
5. The power distribution cabinet with the moisture-proof and temperature-reducing functions according to claim 1, characterized in that a door lock (4) is arranged on one side of the cabinet door (2) away from the hinge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011447019.2A CN112600095B (en) | 2020-12-11 | 2020-12-11 | Switch board with dampproofing cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011447019.2A CN112600095B (en) | 2020-12-11 | 2020-12-11 | Switch board with dampproofing cooling function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112600095A CN112600095A (en) | 2021-04-02 |
| CN112600095B true CN112600095B (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011447019.2A Active CN112600095B (en) | 2020-12-11 | 2020-12-11 | Switch board with dampproofing cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112600095B (en) |
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| CN107911960A (en) * | 2017-09-27 | 2018-04-13 | 常州信息职业技术学院 | A kind of special machine cabinet of computer application system |
| CN109936058A (en) * | 2019-04-16 | 2019-06-25 | 芜湖薰衣草知识产权运营有限公司 | A kind of easy-to-mount high-tension electricity cabinet |
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| CN210040997U (en) * | 2019-06-10 | 2020-02-07 | 深圳市凌祺实业有限公司 | Adjustable distribution box |
| CN210490195U (en) * | 2019-07-25 | 2020-05-08 | 石家庄市诺安电力设备有限公司 | Heat dissipation dehumidification switch board |
| CN211087123U (en) * | 2019-12-30 | 2020-07-24 | 杨冰 | Dustproof computer case |
| CN211406546U (en) * | 2019-12-26 | 2020-09-01 | 潮州市宇罡网络科技有限公司 | Communication cabinet that intelligent degree is high |
| CN211906187U (en) * | 2020-06-04 | 2020-11-10 | 深圳市汉智星科技有限公司 | Dust-proof industrial control mainboard |
| CN212033507U (en) * | 2020-05-28 | 2020-11-27 | 朗诺自动化设备(天津)有限公司 | Power distribution cabinet with moisture-proof and fireproof functions |
| CN212063053U (en) * | 2020-05-04 | 2020-12-01 | 青岛晟泰达电力设备有限公司 | Capacitor box with dehumidification waterproof function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208707159U (en) * | 2018-07-30 | 2019-04-05 | 河南省嵩阳电力工程有限公司 | A kind of power distribution cabinet of Intelligent moisture-proof |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203934259U (en) * | 2014-07-01 | 2014-11-05 | 宁波天韵通信设备有限公司 | A kind of rainproof commuting case |
| EP3516303A1 (en) * | 2016-09-26 | 2019-07-31 | New Asia Far East Ltd | Dehumidifying apparatus for storage cabinet and damp proofing storage cabinet therewith |
| CN207218054U (en) * | 2017-09-07 | 2018-04-10 | 李建宏 | A kind of distribution box with dust-proof dehumidification function |
| CN107911960A (en) * | 2017-09-27 | 2018-04-13 | 常州信息职业技术学院 | A kind of special machine cabinet of computer application system |
| CN209497730U (en) * | 2018-11-14 | 2019-10-15 | 安雷鹏 | It is a kind of for the electrical electrical cabinet with functions/drying |
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| CN210040997U (en) * | 2019-06-10 | 2020-02-07 | 深圳市凌祺实业有限公司 | Adjustable distribution box |
| CN209844299U (en) * | 2019-06-20 | 2019-12-24 | 湖北省超能电力有限责任公司 | Power distribution cabinet with moisture-proof cooling function |
| CN210490195U (en) * | 2019-07-25 | 2020-05-08 | 石家庄市诺安电力设备有限公司 | Heat dissipation dehumidification switch board |
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| CN212063053U (en) * | 2020-05-04 | 2020-12-01 | 青岛晟泰达电力设备有限公司 | Capacitor box with dehumidification waterproof function |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112600095A (en) | 2021-04-02 |
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