CN209824218U - Dampproofing dust keeper of outdoor communication equipment case - Google Patents

Dampproofing dust keeper of outdoor communication equipment case Download PDF

Info

Publication number
CN209824218U
CN209824218U CN201920379981.3U CN201920379981U CN209824218U CN 209824218 U CN209824218 U CN 209824218U CN 201920379981 U CN201920379981 U CN 201920379981U CN 209824218 U CN209824218 U CN 209824218U
Authority
CN
China
Prior art keywords
box
dust
fan
condenser
proof
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
CN201920379981.3U
Other languages
Chinese (zh)
Inventor
衡刚
王翀
范杰
胡冠楠
张丰
王展
Original Assignee
范杰
张丰
胡冠楠
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 范杰, 张丰, 胡冠楠 filed Critical 范杰
Priority to CN201920379981.3U priority Critical patent/CN209824218U/en
Application granted granted Critical
Publication of CN209824218U publication Critical patent/CN209824218U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a damp-proof and dust-proof device of an outdoor communication equipment box, which effectively solves the problem that the prior communication box does not have drying and dust-removing capabilities; the technical scheme includes that the dust collector comprises a box body which can be placed on the ground, and is characterized in that two ventilation holes are formed in the left side and the right side of the box body respectively, fans are fixedly installed in the four ventilation holes, condensers which are fixedly connected to the interior of the box body are arranged beside the four fans, electrostatic dust collection devices which are detachably connected to the interior of the box body are arranged beside the four fans, and each fan, each condenser and each electrostatic dust collection device are electrically connected with an external power supply; the utility model discloses the structure is succinct, need not manual operation, and multistage dehumidification has reduced the humidity in the communication box to effectually prevented storing up of communication incasement dust, the practicality is strong.

Description

Dampproofing dust keeper of outdoor communication equipment case
Technical Field
The utility model relates to a communication equipment technical field specifically is a dampproofing dust keeper of outdoor communication equipment case.
Background
The communication network is the information exchange and transmission between people through some kind of media, the network is the data link that is formed by connecting each isolated workstation or host computer together with the physical link, and when setting up the communication network, the communication box takes up the important position; the communication box is also called a communication cabinet, and the communication cabinet refers to a cabinet used in communication.
With the increasing development of communication networks, in order to meet the demands of remote areas on communication networks, communication networks are gradually deployed to remote areas with complex environments, such as mountainous areas and other areas with inconvenient traffic. The outdoor layout of the communication network usually adopts the layout mode of combining the communication tower and the communication box. The communication box plays a crucial role as the most basic unit in the communication network. The outdoor environment is complex, the communication elements in the communication box are fragile and easy to damage, especially in mountainous areas, moist air and dust bring great test to the normal work of the communication elements, and the working environment with overlarge humidity easily causes short circuit of the communication elements and related electrical elements, thereby affecting the normal transmission of communication signals. The existing communication box can only provide a fixed foundation and the most basic protection for the communication elements in the communication box, and the moist air and the accumulated dust in the communication box cannot be effectively treated, so that the normal running of communication and the service life of the communication elements are influenced.
Therefore, the utility model provides a dampproofing dust keeper of outdoor communication equipment case solves this problem.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a dampproofing dust keeper of outdoor communication equipment case, the effectual problem of having solved current communication case and not having dry, dust removal ability.
The utility model discloses a can arrange the box on ground in, a serial communication port, the box left and right sides respectively seted up two ventilation holes, four the ventilation hole in equal fixed mounting have a fan, four the fan other all be provided with fixed connection at the inside condenser of box, four the fan other all be provided with can dismantle the connection and be in electrostatic precipitator device in the box, every fan, every condenser, every electrostatic precipitator device all be connected with external power supply electricity.
Preferably, each of the condensers is disposed inside the corresponding fan, and each of the electrostatic precipitator devices is disposed inside the condenser.
Preferably, two condensers which are fixedly arranged on the front side wall and the rear side wall of the box body respectively are arranged on the inner side of each fan, and a flow distribution plate which is fixedly connected to the inner part of the box body is arranged between the two condensers;
the flow distribution plate can make the wind concentrate to the condenser when entering the box body, and make the wind spread when passing through the condenser.
Preferably, each ventilation pipe fixedly connected to the box body is arranged between the condenser and the inner side wall of the box body, one end opening of each ventilation pipe faces to the corresponding fan, and the other end opening of each ventilation pipe is arranged between the condenser and the corresponding electrostatic dust removal device.
Preferably, a water leakage hole is formed beside each condenser.
Preferably, the electrostatic dust collector comprises two opposite substrates, the two substrates are connected through four fixing beams, a conductive shaft is fixedly connected between the two substrates, a plurality of anode plates are uniformly and fixedly connected onto the conductive shaft, a cathode plate fixedly connected onto the fixing beam is arranged between every two anode plates, and each cathode plate is not in contact with the conductive shaft.
Preferably, the front end face and the rear end face of each substrate are fixedly connected with insulating frames.
Preferably, the two fans on the left side of the box body are exhaust fans, and the two fans on the right side of the box body are exhaust fans.
Preferably, the fan is a fan with louvers.
Preferably, the box in fixedly connected with humidity transducer, humidity transducer and fixed connection in the box in the central console link to each other, the central console in integrated timing unit and the control unit, central console and fixed connection in the box in the battery link to each other, central console and every fan, every condenser, every electrostatic precipitator device all electricity connect.
The utility model improves the problem that the prior communication box does not have the drying and dust removing capabilities, and adds a fan to enhance the air circulation in the communication box so as to reduce the humidity in the communication box and take away the dust in the communication box; meanwhile, a condenser is additionally arranged at the position of the fan, and the flowing air is condensed to reduce the moisture content in the air, so that the moisture-proof effect is further achieved; an air guide pipe is additionally arranged beside the condenser, and the air flowing into the communication box is dried again by utilizing the heat generated by the condenser; set up electrostatic precipitator device simultaneously, can adsorb the dust in the air that flows through to reduce the dust in the communication box, the utility model discloses the structure is succinct, need not manual operation, and multistage dehumidification has reduced the humidity in the communication box to effectually prevent storing up of dust in the communication box, the practicality is strong.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the door of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a partial perspective view of the present invention.
Fig. 5 is a schematic perspective view of the electrostatic precipitator of the present invention.
Fig. 6 is a perspective view of the fan of the present invention.
Fig. 7 is a schematic perspective view of the inner structure of the upper cover of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 7. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Embodiment one, the utility model relates to a dampproofing dust keeper of outdoor communication equipment case, including the box 1 that can place in ground, refer to fig. 1, box 1 be common box 1 shape, its lower part fixedly connected with four landing legs, mutually fixed connection is guaranteed to stabilize between four landing legs, for guaranteeing box 1 is stable, each landing leg lower extreme fixedly connected with fixed platform, in order to improve box 1 stability, simultaneously, if place box 1 in the field, also can bury fixed platform underground in the ground, in order to improve stability, its characterized in that, box 1 left and right sides respectively seted up two ventilation holes 2, two ventilation holes 2 of box 1 one side occupy the most area of box 1 side, in order to guarantee that the air current gets into box 1 and can fully wave each corner in box 1, four ventilation holes 2 all fixedly mounted have fan 3, the fan 3 is a common fan 3, a small driving motor is arranged in the fan 3, condensers 4 fixedly connected to the interior of the box body 1 are arranged beside the four fans 3, the condensers 4 are connected with an external power supply, the condensers 4 are common condensers 4 and are used for condensing damp gas in passing air into water drops to be attached to condenser pipes of the condensers 4, so as to realize dehumidification and damp prevention of passing air, the miniature condensers 4 are adopted due to the limitation of the size of the box body 1, particularly, BFT-1298-001 type condensers 4 can be adopted, other condensers 4 meeting requirements can be adopted, electrostatic dust removal devices 5 detachably connected to the interior of the box body 1 are arranged beside the four fans 3, the electrostatic dust removal devices 5 absorb dust in air by utilizing an electrostatic dust removal principle so as to ensure the cleanness of the air entering the box body 1, every fan 3, every condenser 4, every electrostatic precipitator 5 all be connected with external power supply electricity, the source of power can be followed and is divided in the power cord of the communication component in the box 1, this embodiment is when specifically using, fan 3 rotate and form the air current of circulation in the box 1 to take away the dust in the box 1, when the air current got into the box 1, the humid gas condensation in the air is the drop of water and attaches to on condenser 4 condenser pipe in order to realize the dehumidification of air dampproofing, the dust in the air is adsorbed by electrostatic precipitator 5 in order to realize removing dust.
In the second embodiment, on the basis of the first embodiment, each condenser 4 is arranged on the inner side of the corresponding fan 3, and each electrostatic dust removal device 5 is arranged on the inner side of the condenser 4, and the second embodiment provides an installation sequence of the fans 3, the condensers 4 and the electrostatic dust removal devices 5, namely, the fans 3, the condensers 4 and the electrostatic dust removal devices 5 are arranged from one side of the box body 1 to the inside in sequence, and the installation sequence can ensure that air flowing into the box body 1 is dried by the condensers 4 first, and the dried air enters the electrostatic dust removal devices 5, so that the dust removal efficiency of the electrostatic dust removal devices 5 can be effectively prevented from being reduced by humid air.
In the third embodiment, on the basis of the first or second embodiment, two condensers 4 respectively fixedly installed on the front and rear side walls of the box body 1 are respectively arranged on the inner side of each fan 3, the arrangement of the two condensers 4 can effectively improve the condensing and dehumidifying efficiency, a splitter plate 6 fixedly connected to the inside of the box body 1 is arranged between the two condensers 4, and the splitter plate 6 can enable the airflow generated by the fan 3 to flow to the condensers 4 on the two sides, so that the poor condensing and dehumidifying effects of the airflow in the middle part are prevented;
the splitter plate 6 can make the wind concentrate to the condenser 4 when entering the box 1, make the wind spread when passing the condenser 4, concretely, refer to fig. 3, the splitter plate 6 has the middle part towards one side of the fan 3 and inclines towards the condenser 4 at both sides, the splitter plate 6 inclines towards the electrostatic dust collector 5 from the condenser 4 at both sides to the middle part, so as to ensure the condenser 4 has high-efficiency condensation and dehumidification effect, at the same time, in order to improve the utilization ratio of the electrostatic dust collector 5, in order to prevent the flowing air current from taking away the condensed water beads on the condenser 4, one side of each condenser 4 close to the electrostatic dust collector 5 is fixedly connected with a water baffle, another part of splitter plate 6 fixedly connected in the box 1 is arranged between the water baffle and the electrostatic dust collector 5, and inclines towards the side wall direction of the box 1 which is relatively close, so that the condensed and dehumidified air current can have a part to flow to both ends of the electrostatic dust collector 5, thereby improving the utilization rate of the electrostatic dust collection device 5, and improving the dust collection efficiency and the dust collection quality in a direction-changing way.
Fourth embodiment, on the basis of the second embodiment, the airflow generated by the fan 3 is partially blocked by the thickness of the condenser 4, in order to effectively utilize the airflow and improve the dehumidification efficiency, the present embodiment provides a specific structure to achieve the above-mentioned functions, specifically, a ventilation pipe 7 fixedly connected to the box 1 is arranged between each of the condensers 4 and the inner side wall of the box 1, one end of each ventilation pipe 7 is open towards the corresponding fan 3, the other end of each ventilation pipe 7 is open between the condenser 4 and the corresponding electrostatic dust removal device 5, the airflow generated by the fan 3 partially enters the ventilation pipe 7, as the ventilation pipe 7 and the condenser 4 are tightly attached to each other, the condenser 4 generates a large amount of heat when working, the airflow is dried and heated under the heat, and the heated airflow flows out from the other end of the ventilation pipe 7, the air flow after being condensed and dehumidified by the condenser 4 is further heated, the purpose of secondary dehumidification is achieved, meanwhile, the effect of self heating of the condenser 4 during working is effectively utilized, the heat of the condenser 4 is also reduced, and the service life of the condenser 4 is guaranteed.
In the fifth embodiment, on the basis of the first or second embodiment, each of the condensers 4 is provided with a water leakage hole 8, the water leakage holes 8 are used for allowing water drops condensed on the condensers 4 to remain on the condenser pipes of the condensers 4 or the water baffles beside the condensers 4 and finally to be discharged out of the box body 1, and it should be noted that, referring to fig. 2 and 4, the water drops remaining on the condensers 4 on the upper layer are blocked by the water baffles due to the blowing of the lower layer of air flow and flow down from the water baffles, and flow out of the box body 1 through the water leakage holes 8 on the lower layer, and cannot enter the box body 1 along with the air flow.
Sixth embodiment, on the basis of the first embodiment, the electrostatic dust removal device 5 includes two opposite substrates 9, the two substrates 9 are connected with each other through four fixing beams 10, the two substrates 9 and the four fixing beams 10 together form a frame of the electrostatic dust removal device 5, which can be directly placed in the box 1 or detachably and fixedly connected in the box 1 through bolts or other common means, so as to be convenient for cleaning and maintenance, a conductive shaft 11 is fixedly connected between the two substrates 9, a plurality of anode plates 12 are uniformly and fixedly connected to the conductive shaft 11, the conductive shaft 11 is connected with an external power supply, the conductive shaft 11 enables each connected anode plate 12 to have positive charges, a cathode plate 13 fixedly connected to the fixing beams 10 is arranged between every two anode plates 12, and each cathode plate 13 is not in contact with the conductive shaft 11, the cathode plate 13 is connected with the fixed beam 10, and the grounding effect is realized through the box body 1, at the moment, under the action of the anode plate 12, the cathode plate 13 generates induced negative charges, so that an electric field is formed between the negative charges and the adjacent anode plate 12, and dust and other impurities flowing through the air are adsorbed.
Seventh, on the basis of the sixth embodiment, the front and rear end surfaces of each substrate 9 are fixedly connected with the insulating frames 14, and the arrangement of the insulating frames 14 can effectively protect the safety of a user when the electrostatic dust removal device 5 is disassembled.
Eight embodiment, on the basis of seven embodiments, two left fans 3 of box 1 are extraction fan 3, two fans 3 on box 1 right side be exhaust fan 3, the fan 3 that only is used for distinguishing the box 1 left and right sides about here is different fan 3, also can set up exhaust fan 3 on box 1 left side and set up extraction fan 3 on box 1 right side, the setting is so in order to make the air of convection current flow through in box 1, from taking box 1 with humid air and dust in the box 1 out to this further dampproofing dehumidification dust removal.
Ninth embodiment, on the basis of the first embodiment, the fan 3 is a fan 3 with louvers, and the arrangement of the fan 3 enables the box body 1 to be a closed environment when the fan 3 is not in operation, so as to prevent external foreign matters from entering the box body 1.
In the tenth embodiment, on the basis of the second embodiment, a humidity sensor 15 is fixedly connected in the box body 1, the humidity sensor 15 is connected to a center console 16 fixedly connected in the box body 1, the humidity sensor 15 senses the humidity in the box body 1 and transmits real-time data to the center console 16, a timing unit and a control unit are integrated in the center console 16, the timing unit is used as a clock for the center console 16, the time of the timing unit is beijing time, the center console 16 is connected to a storage battery 17 fixedly connected in the box body 1, the center console 16 is electrically connected to each of the fans 3, the condensers 4 and the electrostatic dust removal devices 5, the control unit is integrated in each of the fans 3 and the condensers 4 and is connected to the center console 16, and a power switch is arranged on an electric wire connecting the electrostatic dust removal devices 5 and an external power supply, the power switch is internally integrated with a control unit and connected with a control module of a central console 16, the control module of the central console 16 and the corresponding switch of the electrostatic dust removal device 5 are controlled by controlling the power switch, when the embodiment is used specifically, a user can input a humidity starting critical value, a humidity stopping critical value, daily starting time and daily stopping time in the control module of the central console 16 in advance through external equipment, when the central console 16 receives that data detected by a humidity sensor 15 is higher than the humidity starting critical value, the control module of the central console 16 controls each fan 3, each condenser 4 and each electrostatic dust removal device 5 to work so as to remove moisture and damp and remove dust until the real-time humidity detected by the humidity sensor 15 is lower than the humidity stopping critical value, and if the humidity of a certain day does not exceed the humidity starting critical value, the central console 16 controls each fan 3 through the control module, Each of the condensers 4 and each of the electrostatic dust removing devices 5 operates when the start time is reached and stops operating when the stop time is reached, and the humidity sensor 15 can only start and stop the device by humidity and cannot measure dust accumulation in the box body 1, so that the operation is performed regularly every day to ensure the dryness and cleanness of the inside of the box body 1.
When the utility model is used specifically, a user can input a humidity starting critical value and a humidity stopping critical value, daily starting time and daily stopping time in the control module of the center console 16 in advance through the external equipment, and preset work is finished;
when the central console 16 receives that the data detected by the humidity sensor 15 is higher than a humidity starting critical value, the control module of the central console 16 controls each fan 3, each condenser 4 and each electrostatic dust removal device 5 to work so as to dehumidify, damp and remove dust until the real-time humidity detected by the humidity sensor 15 is lower than a humidity stopping critical value, and if the humidity does not exceed the humidity starting critical value in a certain day, the central console 16 controls each fan 3, each condenser 4 and each electrostatic dust removal device 5 to work when the starting time is reached and stop working when the stopping time is reached through the control module;
fan 3 rotate and form the air current of circulation in box 1, thereby take away the dust in the box 1, when the air current gets into in the box 1, the humid gas condensation in the air is attached to on condenser 4 condenser tube for the drop of water in order to realize the air dehumidification dampproofing, the air current part that fan 3 produced gets into in ventilation pipe 7 simultaneously, hug closely because of ventilation pipe 7 and condenser 4, and condenser 4 work can produce a large amount of heats, the air current is by drying and heating under this heat effect, the air current after the heating flows out from the ventilation pipe 7 other end, be used for further heating the air current after condenser 4 condensation dehumidification, play the purpose of second grade dehumidification, later the dust in the air is adsorbed by electrostatic precipitator 5 in order to realize removing dust.
The utility model improves the problem that the prior communication box does not have the drying and dust removing capabilities, and adds a fan to enhance the air circulation in the communication box so as to reduce the humidity in the communication box and take away the dust in the communication box; meanwhile, a condenser is additionally arranged at the position of the fan, and the flowing air is condensed to reduce the moisture content in the air, so that the moisture-proof effect is further achieved; an air guide pipe is additionally arranged beside the condenser, and the air flowing into the communication box is dried again by utilizing the heat generated by the condenser; set up electrostatic precipitator device simultaneously, can adsorb the dust in the air that flows through to reduce the dust in the communication box, the utility model discloses the structure is succinct, need not manual operation, and multistage dehumidification has reduced the humidity in the communication box to effectually prevent storing up of dust in the communication box, the practicality is strong.

Claims (10)

1. The utility model provides a dampproofing dust keeper of outdoor communication equipment case, includes box (1) that can arrange ground in, its characterized in that, box (1) the left and right sides respectively seted up two ventilation holes (2), four ventilation hole (2) in equal fixed mounting have fan (3), four fan (3) other condenser (4) of fixed connection in box (1) inside all be provided with, four fan (3) other all be provided with can dismantle the connection and be in electrostatic precipitator device (5) in box (1), every fan (3), every condenser (4), every electrostatic precipitator device (5) all be connected with external power supply electricity.
2. An outdoor communication equipment cabinet moisture and dust preventing device according to claim 1, characterized in that each of said condensers (4) is disposed inside the corresponding fan (3), and each of said electrostatic precipitator devices (5) is disposed inside the condenser (4).
3. The moisture-proof and dust-proof device of the outdoor communication equipment box according to claim 1 or 2, characterized in that two condensers (4) fixedly installed on the front and rear side walls of the box body (1) respectively are arranged on the inner side of each fan (3), and a splitter plate (6) fixedly connected inside the box body (1) is arranged between the two condensers (4);
the flow distribution plate (6) can make the wind concentrate to the condenser (4) when entering the box body (1) and spread when passing through the condenser (4).
4. The moisture-proof and dust-proof device of outdoor communication equipment box according to claim 2, characterized in that a ventilation pipe (7) fixedly connected to the box body (1) is arranged between each condenser (4) and the inner side wall of the box body (1), one end opening of each ventilation pipe (7) faces to the corresponding fan (3), and the other end opening of each ventilation pipe (7) is arranged between the condenser (4) and the corresponding electrostatic dust collector (5).
5. The moisture-proof and dust-proof device of outdoor communication equipment box as claimed in claim 1 or 2, wherein a water leakage hole (8) is opened beside each condenser (4).
6. The moisture-proof and dust-proof device of outdoor communication equipment box according to claim 1, wherein said electrostatic dust collector (5) comprises two opposite base plates (9), two of said base plates (9) are connected with each other by four fixing beams (10), two of said base plates (9) are fixedly connected with a conductive shaft (11), said conductive shaft (11) is uniformly and fixedly connected with a plurality of anode plates (12), a cathode plate (13) fixedly connected with a fixing beam (10) is arranged between every two of said anode plates (12), and each of said cathode plates (13) is not contacted with the conductive shaft (11).
7. The moisture and dust prevention device for the outdoor communication equipment box of claim 6, wherein the front and rear end surfaces of each base plate (9) are fixedly connected with insulating frames (14).
8. The moisture-proof and dust-proof device of outdoor communication equipment box according to claim 2, characterized in that the two fans (3) on the left side of the box body (1) are suction fans (3), and the two fans (3) on the right side of the box body (1) are exhaust fans (3).
9. An outdoor communication equipment cabinet moisture and dust preventing device according to claim 1, characterized in that the fan (3) is a fan (3) with louvers.
10. The moisture-proof and dust-proof device of outdoor communication equipment box according to claim 2, characterized in that a humidity sensor (15) is fixedly connected in the box body (1), the humidity sensor (15) is connected with a central console (16) fixedly connected in the box body (1), a timing unit and a control unit are integrated in the central console (16), the central console (16) is connected with a storage battery (17) fixedly connected in the box body (1), and the central console (16) is electrically connected with each fan (3), each condenser (4) and each electrostatic dust collector (5).
CN201920379981.3U 2019-03-25 2019-03-25 Dampproofing dust keeper of outdoor communication equipment case Active CN209824218U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920379981.3U CN209824218U (en) 2019-03-25 2019-03-25 Dampproofing dust keeper of outdoor communication equipment case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920379981.3U CN209824218U (en) 2019-03-25 2019-03-25 Dampproofing dust keeper of outdoor communication equipment case

Publications (1)

Publication Number Publication Date
CN209824218U true CN209824218U (en) 2019-12-20

Family

ID=68877039

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920379981.3U Active CN209824218U (en) 2019-03-25 2019-03-25 Dampproofing dust keeper of outdoor communication equipment case

Country Status (1)

Country Link
CN (1) CN209824218U (en)

Similar Documents

Publication Publication Date Title
CN105186333A (en) Efficient electric power cabinet dehumidification device
CN207720597U (en) A kind of novel electric power cabinet
CN210074573U (en) Outdoor dampproofing block terminal of using
CN209824218U (en) Dampproofing dust keeper of outdoor communication equipment case
CN206712296U (en) A kind of Intelligent dehumidifying device
CN108448421A (en) A kind of power distribution cabinet of dust and moisture
CN111613987B (en) Moisture-proof box-type transformer
CN205667042U (en) Dehumidification heat dissipation formula high -tension electricity cabinet
CN206135218U (en) Low -voltage switch cabinet
CN211579328U (en) Power equipment with good heat dissipation effect
CN215421184U (en) Electromechanical communication equipment with dampproofing function
CN213878808U (en) Power distribution cabinet with moisture-proof cooling function
CN213584863U (en) Fresh air ventilation device for high-pressure chamber of transformer substation matched with fresh air pipeline
CN209374984U (en) A kind of interior distribution cabinet installation dehumidification structure
CN212519268U (en) Communication equipment maintains rack
CN108879431B (en) Dehumidification ventilation type outdoor electrical power distribution cabinet
CN214543049U (en) High-voltage board with dampproofing dehumidification function
CN214097563U (en) Automatic power-off device for electric quantity test
CN215452166U (en) Outdoor power distribution cabinet with good protection effect
CN211790232U (en) Energy-saving comprehensive distribution box
CN214227564U (en) Intelligent distribution box
CN212114433U (en) Novel transformer box device of power equipment
CN211126718U (en) Distribution box
CN210519265U (en) Switch board convenient to cooling and dehumidification
CN212211651U (en) City energy management control cabinet

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant