CN217362175U - Join in marriage electrical room customer side measurement cabinet intelligence dehumidification system - Google Patents

Join in marriage electrical room customer side measurement cabinet intelligence dehumidification system Download PDF

Info

Publication number
CN217362175U
CN217362175U CN202122898955.1U CN202122898955U CN217362175U CN 217362175 U CN217362175 U CN 217362175U CN 202122898955 U CN202122898955 U CN 202122898955U CN 217362175 U CN217362175 U CN 217362175U
Authority
CN
China
Prior art keywords
humidity
temperature
shell
intelligent
dehumidification system
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.)
Active
Application number
CN202122898955.1U
Other languages
Chinese (zh)
Inventor
郑盈
胡裕波
丁小兵
叶旭东
刘建军
罗旋
张文
陈能塔
陈长城
陈成
刘建
刘凯音
罗跃挺
王晟
钟磊波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority to CN202122898955.1U priority Critical patent/CN217362175U/en
Application granted granted Critical
Publication of CN217362175U publication Critical patent/CN217362175U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications

Landscapes

  • Drying Of Gases (AREA)

Abstract

The utility model discloses a join in marriage electrical room customer side measurement cabinet intelligence dehumidification system relates to the dehydrating unit field. Due to the fact that humidity of an island or a coastal region is high, salt fog is heavy, great damage is caused to operation of equipment in a metering cabinet on a user side of a power distribution room, and faults are prone to occurring. The utility model discloses an intelligence dehydrating unit, be connected to intelligence dehydrating unit's temperature sensor and humidity transducer, intelligence dehydrating unit is connected to humiture management platform, and humiture management platform is equipped with temperature and humidity alarm module, and intelligence dehydrating unit adopts semiconductor heating evaporation moisture and refrigeration dehumidification. Adopt semiconductor refrigeration to heat the dehumidification, the heat of making can provide the hot-blast circulation, evaporate the moisture in the measurement cabinet, the cooling end can effectively condense moisture and discharge, and semiconductor heats the refrigeration space and occupies for a short time, can convenient installation in the measurement cabinet, can effectively reduce and join in marriage the equipment fault rate in electrical room customer side measurement cabinet, improves electric energy metering device's operational reliability, reduces the fault loss.

Description

Join in marriage electrical room customer side measurement cabinet intelligence dehumidification system
Technical Field
The utility model relates to a dehydrating unit field especially relates to a join in marriage electrical room client side measurement cabinet intelligence dehumidification system.
Background
In the process of high-voltage customer management, the metering failure rate of high-supply and high-metering customers in islands or coastal areas is obviously high, and further analysis finds that the correlation degree between the temperature and the humidity of the special transformer substation power distribution room and the failure of the metering device is high. Due to the fact that the high-voltage fuse is located in an island or a coastal region and is affected by ocean monsoon, the high-voltage fuse is high in humidity and heavy in salt fog, operation of a high-voltage transformer on a user side is greatly damaged, and faults of the high-voltage fuse and damage of the transformer are caused. Once a fault occurs, not only is the power cut processed, but also the compensation of the electric quantity and the electric charge is negotiated with a client, the compensation process is time-consuming and labor-consuming, electric quantity loss is caused to different degrees, and the lost electric quantity and the electric charge are borne by a power supply company. Meanwhile, the 10 kV line loss can not be calculated normally, the electricity which is used by a client is influenced, and the maintenance cost is increased, so that the brand image of the company is weakened. Therefore, the temperature and humidity of the metering cabinet at the client side of the power distribution room need to be effectively controlled, so that the failure rate of the equipment of the power distribution room is reduced, and the failure loss is reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model with the technical task who provides perfect and improve prior art scheme, provide a join in marriage electrical room customer side measurement cabinet intelligence dehumidification system to realize customer side measurement cabinet humiture initiative perception and control, reduce the fault rate of joining in marriage electrical room customer side measurement cabinet interior equipment, reduce the fault loss and be the purpose. Therefore, the utility model adopts the following technical proposal.
The utility model provides a join in marriage electrical room customer side measurement cabinet intelligence dehumidification system, includes intelligent dehydrating unit, temperature and humidity management platform, temperature sensor and humidity transducer, intelligent dehydrating unit, temperature sensor and humidity transducer be connected to intelligent dehydrating unit, intelligent dehydrating unit be connected to temperature and humidity management platform, temperature and humidity management platform be equipped with humiture alarm module, intelligent dehydrating unit adopt the semiconductor to heat evaporation moisture and refrigerate the dehumidification.
The intelligent dehumidifying device, the temperature sensor and the humidity sensor are arranged in the client side measuring cabinet, the temperature sensor and the humidity sensor are connected with the intelligent dehumidifying device, the intelligent dehumidifying device is connected to the temperature and humidity management platform, the temperature and humidity in the client side measuring cabinet can be conveniently monitored and intelligently controlled, in addition, when the temperature and humidity exceed the upper limit, the temperature and humidity alarm module of the temperature and humidity management platform gives out an alarm, semiconductor refrigeration heating dehumidification is adopted, the heating end can effectively provide hot air circulation, the cooling end can effectively condense water and discharge the water, the humidity is reduced, the semiconductor heating refrigeration space is small in occupied space, the intelligent dehumidifying device can be conveniently arranged in the client side measuring cabinet, the active sensing and control of the temperature and humidity information of the client side measuring cabinet can be realized, the fault rate of equipment in the client side measuring cabinet of a power distribution room can be effectively reduced by controlling the temperature and humidity in the client side measuring cabinet, the alarm information can be used for both parties to take measures to eliminate fault hidden dangers, the safe and reliable operation of the electric energy metering device and the power supply reliability of customers are improved, and the fault loss is reduced.
As a preferable technical means: intelligence dehydrating unit include controller, temperature and humidity display, semiconductor refrigeration heating device, condenser, radiator, hot-blast fan, motor and casing, controller, semiconductor refrigeration heating device, condenser, radiator, hot-blast fan and motor all locate the casing in, motor, semiconductor refrigeration heating device, temperature and humidity display, temperature sensor and humidity transducer all be connected with the controller, the refrigeration end laminating of condenser and semiconductor refrigeration heating device, the heating end laminating of radiator and semiconductor refrigeration heating device, hot-blast fan be connected with the motor, hot-blast fan locate on the radiator, be equipped with the air intake on the casing adjacent with the condenser, the condenser be connected with the drain pipe, be equipped with the air outlet on the casing adjacent with hot-blast fan. Can effectively realize intelligent dehydrating unit's heated air circulation and refrigeration dehumidification, through heated air circulation, avoid in the customer side measurement cabinet because of local high temperature, be heated unevenly, influence the condition of dehumidification effect and take place.
As a preferable technical means: the air inlet is arranged on one side face of the shell, the air outlet is arranged on the front face of the shell, and the temperature and humidity display is arranged in the middle of the upper portion of the front face of the shell. The air outlet is arranged on the front side, the air outlet range is large, the temperature and humidity display is arranged on the front side of the shell, observation and viewing are facilitated, and the layout is optimized and reasonable.
As a preferable technical means: the opposite side of casing is equipped with the interface of being connected with the controller, and the interface includes power source, communication interface and sensor interface, power source connect the power, communication interface connection humiture management platform, sensor interface connection temperature sensor and humidity transducer. The connection of communication, sensor and power can be effectively realized.
As a preferable technical means: the casing be the cuboid, be equipped with the screw fixation piece in the middle of the upper end of casing, the lower extreme of casing is equipped with down the screw fixation piece, last screw fixation piece be equipped with 2 transverse arrangement's screw hole, lower screw fixation piece totally 2, locate casing lower extreme both sides respectively, be equipped with 1 screw hole in the middle of every lower screw fixation piece. Can be stably and reliably connected and fastened in the client side metering cabinet.
As a preferable technical means: the screw hole is a waist-shaped hole with the transverse width larger than the longitudinal width. The position precision requirement of screw fixation can be effectively reduced, and the screw installation is convenient.
As a preferable technical means: the pitch of the 2 screw holes on the upper screw fixing piece is 38-42mm, and the pitch of the 2 screw holes on the lower screw fixing piece is 78-82 mm. The size range is reasonably optimized, and more reliable and firm fixation can be realized.
As a preferable technical means: the length, width and height of the shell respectively range from 180 mm to 190mm, 110 mm to 120mm and 45 mm to 55 mm. The size range is reasonable and optimized, compact and small, and is suitable for installation in a client side metering cabinet.
Has the advantages that: the intelligent control of monitoring and dehumidification of the temperature and humidity in the client side metering cabinet can be conveniently realized, active sensing and control of temperature and humidity information of the client side metering cabinet can be realized, temperature and humidity alarm can be conveniently realized, both the alarm information and the electricity supply can take measures to eliminate fault hidden dangers, the fault rate of equipment in the client side metering cabinet of the power distribution room can be effectively reduced, the safe and reliable operation of the electric energy metering device and the power supply reliability of a client are improved, and the fault loss is reduced; adopt semiconductor refrigeration to heat the dehumidification, the hot-blast circulation that can effectively provide in the system hot-blast end, through the heated air circulation of hot-blast fan in customer side measurement cabinet, can effectively evaporate the moisture in the customer side measurement cabinet, and dehumidify through the condenser condensation, the condensation moisture is discharged, reduce humidity, avoid in the customer side measurement cabinet because of local high temperature, be heated unevenly, the condition that influences the dehumidification effect takes place, adopt the semiconductor to heat the refrigeration, overall structure is compact, the space occupies for a short time, can convenient mounting in customer side measurement cabinet.
Drawings
Fig. 1 is a schematic connection diagram of the present invention.
Fig. 2 is a schematic view of the dehumidification principle of the intelligent dehumidification device of the utility model.
Fig. 3 is a front schematic view of the intelligent dehumidifying device of the present invention.
Fig. 4 is a schematic view of the back of the intelligent dehumidifying device of the utility model.
Fig. 5 is a schematic diagram of the structural principle of the middle semiconductor refrigerating and heating device of the present invention.
In the figure: 1. an intelligent dehumidification device; 2. a temperature and humidity management platform; 3. a temperature sensor; 4. a humidity sensor; 5. a temperature and humidity alarm module; 101. a controller; 102. a condenser; 103. a hot air fan; 104. a motor; 105. an air inlet; 106. an air outlet; 107. a drain pipe; 108. a housing; 109. a temperature and humidity display; 110. an upper screw fixing piece; 111. a lower screw fixing piece; 112. screw holes; 113. heating end manufacturing; 114. a refrigerating end.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in FIGS. 1-5, a join in marriage electrical room customer side measurement cabinet intelligence dehumidification system, including intelligent dehydrating unit 1, humiture management platform 2, temperature sensor 3 and humidity transducer 4, intelligent dehydrating unit 1, temperature sensor 3 and humidity transducer 4 are connected to intelligent dehydrating unit 1, and intelligent dehydrating unit 1 is connected to humiture management platform 2, and humiture management platform 2 is equipped with humiture alarm module 5, and intelligent dehydrating unit 1 adopts the semiconductor to heat evaporation moisture and refrigerate the dehumidification.
In order to realize the hot air circulation and the refrigeration and dehumidification of the intelligent dehumidification device 1, the intelligent dehumidification device 1 comprises a controller 101, a temperature and humidity display 109, a semiconductor refrigeration and heating device, a condenser 102, a radiator, a hot air fan 103, a motor 104 and a shell 108, wherein the controller 101, the semiconductor refrigeration and heating device, the condenser 102, the radiator, the hot air fan 103 and the motor 104 are all arranged in the shell 108, the motor 104, the semiconductor refrigeration and heating device, the temperature and humidity display 109, the temperature sensor 3 and the humidity sensor 4 are all connected with the controller 101, the condenser 102 is attached to a refrigeration end 114 of the semiconductor refrigeration and heating device, the radiator is attached to a heating end 113 of the semiconductor refrigeration and heating device, the hot air fan 103 is connected with the motor 104, and the hot air fan 103 is arranged on the radiator, an air inlet 105 is arranged on the shell 108 adjacent to the condenser 102, a drain pipe 107 is connected with the condenser 102, and an air outlet 106 is arranged on the shell 108 adjacent to the hot air fan 103. Can effectively realize intelligent dehydrating unit 1's heated air circulation and refrigeration dehumidification, it is different with traditional fan heater 103 application purpose, through the heated air circulation of fan heater 103 in customer side measurement cabinet, can effectively evaporate the moisture in the customer side measurement cabinet to dehumidify through condenser 102 condensation, avoid in the customer side measurement cabinet because of local high temperature, be heated unevenly, the condition that influences the dehumidification effect takes place.
In order to obtain a larger air outlet range and facilitate the viewing of temperature and humidity, the air inlet 105 is arranged on one side surface of the shell 108, the air outlet 106 is arranged on the front surface of the shell 108, and the temperature and humidity display 109 is arranged in the middle of the upper portion of the front surface of the shell 108. The air outlet 106 is arranged on the front side, the air outlet range is large, the temperature and humidity display 109 is arranged on the front side of the shell 108, the temperature and humidity can be conveniently checked, and the layout is optimized and reasonable.
In order to realize the connection of the intelligent dehumidifying device 1 with the temperature and humidity management platform 2, the sensor and the power supply, an interface connected with the controller 101 is arranged on the side face of the other side of the shell 108, the interface comprises a power supply interface, a communication interface and a sensor interface, the power supply interface is connected with the power supply, the communication interface is connected with the temperature and humidity management platform 2, and the sensor interface is connected with the temperature sensor 3 and the humidity sensor 4. The intelligent dehumidifying device 1 can be effectively connected with the temperature and humidity management platform 2, the sensor and the power supply.
In order to be conveniently installed in a client side metering cabinet, the shell 108 is a rectangular body, an upper screw fixing piece 110 is arranged in the middle of the upper end of the shell 108, a lower screw fixing piece 111 is arranged at the lower end of the shell 108, the upper screw fixing piece 110 is provided with 2 screw holes 112 which are transversely arranged, the number of the lower screw fixing pieces 111 is 2, the lower screw fixing pieces are respectively arranged on two sides of the lower end of the shell 108, and 1 screw hole 112 is arranged in the middle of each lower screw fixing piece 111. Can be stably and reliably connected and fastened in the client side metering cabinet.
To facilitate screw installation, the screw hole 112 is a kidney-shaped hole having a transverse width greater than a longitudinal width. The position precision requirement of screw fixation can be effectively reduced, and the screw installation is convenient.
In this example, the pitch of the 2 screw holes 112 on the upper screw fixing piece 110 is 40mm, and the pitch of the 2 screw holes 112 on the lower screw fixing piece 111 is 80 mm.
In this example, the housing 108 has length, width and height dimensions of 186mm, 116mm and 46mm, respectively.
The intelligent dehumidifying device 1, the temperature sensor 3 and the humidity sensor 4 are arranged in the client side metering cabinet, the temperature sensor 3 and the humidity sensor 4 are connected with the intelligent dehumidifying device 1, the intelligent dehumidifying device 1 is connected to the temperature and humidity management platform 2, the temperature and humidity in the client side metering cabinet can be conveniently monitored and intelligently controlled, in addition, when the temperature and the humidity exceed the upper limit, the temperature and humidity alarm module 5 of the temperature and humidity management platform 2 gives an alarm, semiconductor refrigeration and heating dehumidification are adopted, the heating end 113 can effectively provide hot air circulation, the hot air circulation in the client side metering cabinet through the hot air fan 103 can effectively evaporate the water in the client side metering cabinet, the condensate water is condensed and dehumidified through the condenser 102, the condensate water is divided and discharged, the humidity is reduced, the situation that the dehumidification effect is influenced by local high temperature and uneven heating in the client side metering cabinet is avoided, the semiconductor heating and refrigerating space is small in occupied space, the semiconductor heating and refrigerating device can be conveniently installed in a client side metering cabinet, active sensing and control of temperature and humidity information of the client side metering cabinet can be achieved, the fault rate of equipment in the client side metering cabinet of a power distribution room can be effectively reduced by controlling the temperature and humidity in the client side metering cabinet, both sides of the alarm information which can supply power and use electricity can take measures to eliminate fault hidden dangers, safe and reliable operation of an electric energy metering device and power supply reliability of a client are improved, and fault loss is reduced.
The above fig. 1-5 show a power distribution room client side metering cabinet intelligent dehumidification system is a specific embodiment of the present invention, which embodies the substantial features and improvements of the present invention, and can perform the equivalent modification of the shape, structure, etc. according to the actual use requirement, all within the protection scope of the present solution.

Claims (7)

1. The utility model provides a join in marriage electrical room customer side measurement cabinet intelligence dehumidification system which characterized in that: the intelligent dehumidification system comprises an intelligent dehumidification device (1), a temperature and humidity management platform (2), a temperature sensor (3) and a humidity sensor (4), wherein the intelligent dehumidification device (1), the temperature sensor (3) and the humidity sensor (4) are connected to the intelligent dehumidification device (1), the intelligent dehumidification device (1) is connected to the temperature and humidity management platform (2), the temperature and humidity management platform (2) is provided with a temperature and humidity alarm module (5), and the intelligent dehumidification device (1) adopts semiconductor refrigeration heating dehumidification;
the intelligent dehumidifying device (1) comprises a controller (101), a temperature and humidity display (109), a semiconductor refrigerating and heating device, a condenser (102), a radiator, a hot air fan (103), a motor (104) and a shell (108), wherein the controller (101), the semiconductor refrigerating and heating device, the condenser (102), the radiator, the hot air fan (103) and the motor (104) are all arranged in the shell (108), the motor (104), the semiconductor refrigerating and heating device, the temperature and humidity display (109), a temperature sensor (3) and a humidity sensor (4) are all connected with the controller (101), the condenser (102) is attached to a refrigerating end (114) of the semiconductor refrigerating and heating device, the radiator is attached to a heating end (113) of the semiconductor refrigerating and heating device, the hot air fan (103) is connected with the motor (104), and the hot air fan (103) is arranged on the radiator, an air inlet (105) is formed in the shell (108) adjacent to the condenser (102), the condenser (102) is connected with a drain pipe (107), and an air outlet (106) is formed in the shell (108) adjacent to the hot air fan (103).
2. The intelligent dehumidification system of a power distribution room client side metering cabinet according to claim 1, wherein: the air inlet (105) is arranged on one side face of the shell (108), the air outlet (106) is arranged on the front face of the shell (108), and the temperature and humidity display (109) is arranged in the middle of the upper portion of the front face of the shell (108).
3. The intelligent dehumidification system of a power distribution room client side metering cabinet according to claim 2, wherein: the opposite side of casing (108) is equipped with the interface of being connected with controller (101), and the interface includes power source, communication interface and sensor interface, power source connect the power, communication interface connection humiture management platform (2), sensor interface connection temperature sensor (3) and humidity transducer (4).
4. The intelligent dehumidification system of a power distribution room client side metering cabinet according to claim 3, wherein: casing (108) be the cuboid, be equipped with screw fixation piece (110) in the middle of the upper end of casing (108), the lower extreme of casing (108) is equipped with down screw fixation piece (111), last screw fixation piece (110) be equipped with 2 transverse arrangement's screw hole (112), lower screw fixation piece (111) 2 totally, locate casing (108) lower extreme both sides respectively, be equipped with 1 screw hole (112) in the middle of every lower screw fixation piece (111).
5. The intelligent dehumidification system of a power distribution room client side metering cabinet according to claim 4, wherein: the screw hole (112) is a kidney-shaped hole with the transverse width larger than the longitudinal width.
6. The intelligent dehumidification system of a power distribution room client side metering cabinet according to claim 5, wherein: the pitch of the 2 screw holes (112) on the upper screw fixing plate (110) is 38-42mm, and the pitch of the 2 screw holes (112) on the lower screw fixing plate (111) is 78-82 mm.
7. The intelligent dehumidification system of a power distribution room client side metering cabinet according to claim 6, wherein: the length, width and height dimensions of the shell (108) are respectively 190mm, 110 mm, 120mm and 45-55 mm.
CN202122898955.1U 2021-11-24 2021-11-24 Join in marriage electrical room customer side measurement cabinet intelligence dehumidification system Active CN217362175U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122898955.1U CN217362175U (en) 2021-11-24 2021-11-24 Join in marriage electrical room customer side measurement cabinet intelligence dehumidification system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122898955.1U CN217362175U (en) 2021-11-24 2021-11-24 Join in marriage electrical room customer side measurement cabinet intelligence dehumidification system

Publications (1)

Publication Number Publication Date
CN217362175U true CN217362175U (en) 2022-09-02

Family

ID=83008058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122898955.1U Active CN217362175U (en) 2021-11-24 2021-11-24 Join in marriage electrical room customer side measurement cabinet intelligence dehumidification system

Country Status (1)

Country Link
CN (1) CN217362175U (en)

Similar Documents

Publication Publication Date Title
CN201663368U (en) Terminal box anti-condensation control system
CN210404361U (en) Outdoor box-type transformer substation
CN217362175U (en) Join in marriage electrical room customer side measurement cabinet intelligence dehumidification system
CN206559745U (en) A kind of network cabinet of condensation-preventing device
CN106937512B (en) Dehumidifier applied to electrical equipment box
CN111049039A (en) Intelligent control dehydrating unit
CN208112071U (en) A kind of intermediate switchgear cabinet
CN116298702A (en) Full-voltage fault on-line monitoring equipment for power distribution network
CN208272708U (en) A kind of substation's convergence control cabinet temperature and humidity intelligent measure and control device
CN106382678A (en) Integrated air treatment device for shipborne electronic equipment
CN209459288U (en) A kind of freezer integral type refrigeration unit
CN214746189U (en) Intelligent comprehensive treatment device for environment of tool room
CN209389529U (en) A kind of dehumidification device for substation
CN106253475A (en) A kind of comprehensive analysis of fault system based on EMS system
CN211625554U (en) Fresh air handling unit with environment detection function
CN209658646U (en) A kind of control cabinet with intelligent monitor system
CN108011299A (en) A kind of intelligent substation electrical equipment dehydrating unit
CN208687866U (en) A kind of mobile air conditioning units
CN215866137U (en) Temperature and humidity test device based on equal-strength cantilever beam fatigue test system
CN205945245U (en) Trouble integrated analysis system based on EMS system
CN214673519U (en) Dehumidifier applied to electrical cabinet and electrical cabinet
CN211295901U (en) Intelligent control dehydrating unit
CN218763768U (en) Wearable air conditioner capable of automatically detecting refrigeration efficiency
CN211295761U (en) Switch cabinet with dehumidifying device
CN210097338U (en) Electric cabinet dehumidifying device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant