CN218958288U

CN218958288U - Dampproofing electric switch cabinet

Info

Publication number: CN218958288U
Application number: CN202223317936.6U
Authority: CN
Inventors: 施光凤
Original assignee: Fuzhou Xinshengyuan Automation Technology Co ltd
Current assignee: Fuzhou Xinshengyuan Automation Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-02
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the technical field of switch cabinets, in particular to a dampproof electric switch cabinet, which comprises a switch cabinet shell and a dehumidifying mechanism, wherein the dehumidifying mechanism is positioned in the switch cabinet shell and comprises hollow shells fixed on two sides of the inner wall of the bottom of the switch cabinet shell, the outer walls of one side opposite to the two hollow shells are inserted with condensing pipes distributed at equal intervals, the outer walls of the condensing pipes are connected with scraping plates in a sliding manner, and an exhaust fan is arranged on the outer wall of the bottom of the switch cabinet shell.

Description

Dampproofing electric switch cabinet

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a dampproof electrical switch cabinet.

Background

In the current high-voltage switch cabinet technology, most high-voltage switch cabinets are easy to suffer from the condensation in the cabinet body caused by the change of external air in the long-time use process, so that the insulation level in the switch cabinet is easy to be reduced.

The utility model discloses a dehumidifying mechanism of a high-voltage switch cabinet with a publication number of CN212114490U, which comprises a cabinet body, wherein two side walls of the cabinet body are symmetrically provided with ventilation grooves, the rear side walls of the two ventilation grooves are provided with extension grooves, a plurality of rotating shafts are arranged in the extension grooves from top to bottom at equal intervals, dehumidifying fan blades for blocking the ventilation grooves are rotationally connected to each rotating shaft, driving pulleys are arranged on all the rotating shafts, the driving pulleys are positioned in the extension grooves, all the driving pulleys in the same extension groove are connected through belts, and motors are respectively arranged at the rear ends of the rotating shafts at the bottommost ends of the two sides.

In the above-mentioned patent, when humidity transducer sensed that the internal humidity of cabinet is great, the rotation axis that drives the ventilation tank respectively through two motors of PLC controller controllable was rotatory, so can drive a plurality of dehumidification flabellums and rotate to utilize the wind that the dehumidification flabellum fan to blow the dehumidification to the cabinet body, but there is following inadequately, when humidity is great in directly drawing in the cabinet body with external air, when external air humidity also is big, blow in the internal wind of cabinet and also be contained very big moisture, can not reach fine dehumidification effect, use exists the restriction.

Disclosure of Invention

The utility model aims to provide a moistureproof electric switch cabinet, which solves the problems in the background technology.

The technical scheme of the utility model is as follows: the moisture-proof electric switch cabinet comprises a switch cabinet shell and a dehumidifying mechanism, wherein the dehumidifying mechanism is positioned inside the switch cabinet shell and comprises hollow shells fixed on two sides of the inner wall of the bottom of the switch cabinet shell, condensing pipes distributed at equal distance are inserted into the outer walls of one side, opposite to the two hollow shells, of the two hollow shells, and scraping plates are connected to the outer walls of the condensing pipes in a sliding manner;

the air draft fan is installed on the outer wall of the bottom of the switch cabinet shell, through holes distributed at equal distances are formed in the outer wall of the bottom of the switch cabinet shell, the rectangular groove is formed in the inner wall of the bottom of the switch cabinet shell, and the first liquid discharge pipe is inserted into the outer wall of the bottom of the rectangular groove.

Preferably, the same partition plate is installed at the bottoms of the inner walls of the two sides of the switch cabinet shell, and a rectangular groove is formed in one side of the outer wall of the top of the partition plate.

Preferably, the liquid storage shell is installed to switch cabinet casing opposite side outer wall, and the drawing liquid pump is installed to liquid storage shell bottom inner wall, the drain pipe is installed to drawing liquid pump output, and the drain pipe other end extends to the hollow casing that is close to mutually inside, and another hollow casing one end outer wall peg graft have the liquid return pipe, and the liquid return pipe other end extends to the liquid storage shell inside.

Preferably, the outer wall of the top of the liquid storage shell is provided with equidistantly distributed connecting grooves, the inner walls of the connecting grooves are provided with semiconductor refrigerating sheets, and the outer walls of the bottoms of the plurality of semiconductor refrigerating sheets are provided with the same heat conducting plate.

Preferably, the baffle is located hollow casing top, and electric putter is installed to baffle top outer wall, and drying shell is installed to electric putter output shaft one side outer wall.

Preferably, mesh mounting panels that equidistance was distributed are installed to cubical switchboard casing both sides inner wall, and the venthole that equidistance was distributed has been seted up at cubical switchboard casing one side outer wall top, and the dust screen panel is installed to cubical switchboard casing bottom outer wall, and the dust screen panel is located the outside of air extraction fan, and the supporting leg is all installed at four corners of cubical switchboard casing bottom outer wall, and humidity transducer is installed to dust screen panel bottom inner wall, and the PLC controller is installed to cubical switchboard casing one side outer wall, and humidity transducer passes through signal line and PLC controller signal input part electric connection.

Preferably, the bottom of the inner walls at two sides of the switch cabinet shell is rotationally connected with the same screw rod, the circumference outer wall of the screw rod is rotationally connected with a sliding block through threads, the outer wall of the bottom of the sliding block is fixedly connected with the outer wall of the top of the scraping plate, the bottom of the outer wall at one side of the switch cabinet shell is provided with a motor, an output shaft of the motor is fixedly connected with the outer wall at one side of the screw rod, the outer wall of the bottom of the scraping plate is provided with a liquid collecting box, the outer wall at one side of the liquid collecting box is inserted with a second liquid discharging pipe, and the inner walls of the second liquid discharging pipe and the first liquid discharging pipe are provided with electric valves.

The utility model provides a moistureproof electrical switch cabinet through improvement, which has the following improvements and advantages compared with the prior art:

the method comprises the following steps: according to the utility model, the humidity sensor is arranged in the switch cabinet shell, when the humidity of air entering the switch cabinet shell exceeds a set value, a signal is transmitted to the PLC, the PLC controls the electric push rod to be opened, and a rectangular groove on the partition plate is blocked, so that the sucked air is primarily dehumidified;

and two,: according to the utility model, the liquid pump and the semiconductor refrigerating sheet are arranged, so that the cooling liquid in the liquid storage shell is cooled, and is pumped into the condensing pipe between the two hollow shells through the liquid pump, on one hand, the pumped air is cooled, the cooling effect of electric appliances in the switch cabinet shell is ensured, on the other hand, moisture in the air can be condensed and dehumidified, the moisture is prevented from corroding the electric appliances, and the service life is prolonged;

and thirdly,: according to the utility model, the motor is started by the sliding block arranged on the screw rod, so that the sliding block on the screw rod can be driven to move, the sliding block drives the scraping plate to move on the outer wall of the condensing tube, condensed water drops are scraped and flow into the liquid collecting box, and the outer wall of the condensing tube can be cleaned by the motor at intervals of positive and negative rotation.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side elevational view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the switch cabinet housing of the present utility model;

fig. 4 is a schematic view of the hollow shell, scraper and condenser tube structure of the present utility model.

Reference numerals illustrate:

1. an air outlet hole; 2. a switch cabinet housing; 3. a PLC controller; 4. dust removal net cover; 5. a motor; 6. support legs; 7. a mesh mounting plate; 8. drying the shell; 9. an electric push rod; 10. a partition plate; 11. a screw rod; 12. a hollow housing; 13. a sliding block; 14. an exhaust fan; 15. a first liquid discharge pipe; 16. a liquid pump; 17. a liquid storage housing; 18. a liquid return pipe; 19. a semiconductor refrigeration sheet; 20. a scraper; 21. a condensing tube; 22. a liquid outlet pipe; 23. a liquid collecting box.

Detailed Description

The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a moistureproof electric switch cabinet through improvement, which comprises the following technical scheme:

as shown in fig. 1-4, a dampproof electric switch cabinet comprises a switch cabinet shell 2 and a dehumidifying mechanism, wherein the dehumidifying mechanism is positioned inside the switch cabinet shell 2 and comprises hollow shells 12 fixed on two sides of the inner wall of the bottom of the switch cabinet shell 2, condensing pipes 21 distributed at equal distances are inserted into the outer walls of one side of the two opposite hollow shells 12, and scraping plates 20 are connected to the outer walls of the condensing pipes 21 in a sliding manner;

the air draft fan 14 is installed to the switch cabinet casing 2 bottom outer wall, and the through-hole that the equidistance distributes has been seted up to switch cabinet casing 2 bottom outer wall, and rectangular channel has been seted up to switch cabinet casing 2 bottom inner wall, and rectangular channel bottom outer wall peg graft has first fluid-discharge tube 15.

Further, the same partition board 10 is installed at the bottoms of the inner walls of the two sides of the switch cabinet shell 2, and a rectangular groove is formed in one side of the outer wall of the top of the partition board 10.

Further, the liquid storage shell 17 is installed to the other side outer wall of the switch cabinet shell 2, and the liquid pump 16 is installed to the inner wall of the bottom of the liquid storage shell 17, the drain pipe 22 is installed to the output of the liquid pump 16, and the other end of the drain pipe 22 extends to the inside of the hollow shell 12 close to the liquid pump, the liquid return pipe 18 is inserted into the outer wall of one end of the other hollow shell 12, cooling liquid is filled in the liquid storage shell 17, the other end of the liquid return pipe 18 extends to the inside of the liquid storage shell 17, the air pumped in the condensing pipe 21 between the two hollow shells 12 through the liquid pump 16 is cooled, the cooling effect on the electric appliance inside the switch cabinet shell 2 is guaranteed, on the other hand, moisture in the air can be condensed and dehumidified, the electric appliance is prevented from being corroded by the moisture, and the service life is prolonged.

Furthermore, the connecting grooves distributed at equal intervals are formed in the outer wall of the top of the liquid storage shell 17, the semiconductor refrigerating sheets 19 are mounted on the inner wall of the connecting grooves, the same heat conducting plate is mounted on the outer walls of the bottoms of the semiconductor refrigerating sheets 19, and the semiconductor refrigerating sheets 19 are matched with the heat conducting plate to cool cooling liquid.

Further, baffle 10 is located hollow casing 12 top, and baffle 10 top outer wall installs electric putter 9, and electric putter 9 output shaft one side outer wall installs dry casing 8, and dry casing 8 inside is filled with the drier, can absorb the moisture in the air, and the coolant liquid after the cooling can cool down to the air, avoids dry casing 8 to block up the rectangular channel after, and the inside air flow speed of cubical switchboard casing 2 slows down and leads to the cooling effect poor.

Further, mesh mounting panel 7 that equidistance was distributed is installed to cubical switchboard casing 2 both sides inner wall, and venthole 1 that equidistance was distributed has been seted up at cubical switchboard casing 2 one side outer wall top, dust screen panel 4 is installed to cubical switchboard casing 2 bottom outer wall, dust screen panel 4 is located the outside of air extraction fan 14, dust screen panel 4 can protect air extraction fan 14 on the one hand, on the other hand can remove dust to external air, supporting leg 6 is all installed at four corners of cubical switchboard casing 2 bottom outer wall, rubber seat is installed to supporting leg 6 bottom outer wall, humidity transducer is installed to dust screen panel 4 bottom inner wall, PLC controller 3 is installed to cubical switchboard casing 2 one side outer wall, humidity transducer passes through signal line and PLC controller 3 signal input part electric connection.

Further, the same lead screw 11 is rotationally connected to the inner wall bottoms of the two sides of the switch cabinet shell 2, the circumference outer wall of the lead screw 11 is rotationally connected with a sliding block 13 through threads, the top outer wall of the sliding block 13 is in sliding connection with the bottom outer wall of the partition board 10, the bottom outer wall of the sliding block 13 is fixedly connected with the top outer wall of the scraping plate 20, the motor 5 is installed at the bottom of the outer wall of one side of the switch cabinet shell 2, an output shaft of the motor 5 is fixedly connected with the outer wall of one side of the lead screw 11, the liquid collecting box 23 is installed at the outer wall of the bottom of the scraping plate 20, a second liquid discharging pipe is inserted into the outer wall of one side of the liquid collecting box 23, an electric valve is installed on the inner wall of the second liquid discharging pipe and the inner wall of the first liquid discharging pipe 15, when the humidity sensor detects that the humidity in air drops to a normal state, the PLC 3 controls an electric appliance on the dehumidifying mechanism to stop working, the motor 5 controls the sliding block 13 and the liquid collecting box 23 on the scraping plate 20 to move to the upper part of a rectangular groove, and then the electric valve on the inner wall of the second liquid discharging pipe and the first liquid discharging pipe 15 is opened.

Working principle: the inside humidity transducer that is provided with of cubical switchboard casing 2, when detecting the inside air humidity of entering cubical switchboard casing 2 and surpassing the numerical value of setting, give PLC controller 3 with signal transmission, PLC controller 3 control electric putter 9 opens, block up the rectangular groove on the baffle 10, dehumidify the air of suction, and control drawing liquid pump 16 and semiconductor refrigeration piece 19 open, cool down the inside coolant liquid of stock solution casing 17, draw into the condenser tube 21 between two hollow shells 12 through drawing liquid pump 16, on the one hand cool down the air of suction, guaranteed the cooling effect to the inside electrical apparatus of cubical switchboard casing 2, on the other hand can carry out condensation dehumidification with the moisture in the air, avoid the moisture erosion electrical apparatus, improved life, through the sliding block 13 that is provided with on the lead screw 11, open the motor 5 and can drive sliding block 13 on the lead screw 11 and remove, sliding block 13 drive scraper blade 20 and remove at the condenser tube 21 outer wall, scrape the drop of condensation and flow into in the liquid collecting box 23, motor 5 interval positive reverse rotation can cool down condenser tube 21 outer wall clearance, when humidity transducer detects the humidity in the air and fall down the humidity controller's of humidity to the second electrical apparatus, the second electrical apparatus is stopped, the drain valve is opened to the second electrical apparatus is normally, the inner wall is collected to the electrical apparatus is turned on to the second electrical apparatus is turned on.

Claims

1. A dampproofing electric switch cabinet, its characterized in that: the intelligent switch cabinet comprises a switch cabinet shell (2) and a dehumidifying mechanism, wherein the dehumidifying mechanism is positioned inside the switch cabinet shell (2), the dehumidifying mechanism comprises hollow shells (12) fixed on two sides of the inner wall of the bottom of the switch cabinet shell (2), condensing pipes (21) distributed at equal distances are inserted into the outer walls of one side, opposite to the two hollow shells (12), of the two hollow shells, and scraping plates (20) are connected to the outer walls of the condensing pipes (21) in a sliding mode;

the air draft fan (14) is installed on the outer wall of the bottom of the switch cabinet shell (2), through holes distributed at equal distances are formed in the outer wall of the bottom of the switch cabinet shell (2), rectangular grooves are formed in the inner wall of the bottom of the switch cabinet shell (2), and first liquid discharge pipes (15) are inserted into the outer wall of the bottom of the rectangular groove.

2. A moisture resistant electrical switchgear as claimed in claim 1, wherein: the bottom of the inner walls of the two sides of the switch cabinet shell (2) is provided with the same partition board (10), and one side of the outer wall of the top of the partition board (10) is provided with a rectangular groove.

3. A moisture resistant electrical switchgear as claimed in claim 1, wherein: the switch cabinet is characterized in that a liquid storage shell (17) is arranged on the outer wall of the other side of the switch cabinet shell (2), a liquid suction pump (16) is arranged on the inner wall of the bottom of the liquid storage shell (17), a liquid outlet pipe (22) is arranged at the output end of the liquid suction pump (16), the other end of the liquid outlet pipe (22) extends into the hollow shell (12) which is close to the liquid outlet pipe, a liquid return pipe (18) is inserted into the outer wall of one end of the other hollow shell (12), and the other end of the liquid return pipe (18) extends into the liquid storage shell (17).

4. A moisture resistant electrical switchgear as claimed in claim 3, wherein: the outer wall of the top of the liquid storage shell (17) is provided with equidistantly distributed connecting grooves, the inner walls of the connecting grooves are provided with semiconductor refrigerating sheets (19), and the outer walls of the bottoms of the plurality of semiconductor refrigerating sheets (19) are provided with the same heat conducting plate.

5. A moisture resistant electrical switchgear as claimed in claim 2, wherein: the baffle (10) is located hollow casing (12) top, and electric putter (9) are installed to baffle (10) top outer wall, and drying casing (8) are installed to electric putter (9) output shaft one side outer wall.

6. A moisture resistant electrical switchgear as claimed in claim 1, wherein: mesh mounting panel (7) that equidistance was distributed are installed to cubical switchboard casing (2) both sides inner wall, and venthole (1) that equidistance was distributed have been seted up at cubical switchboard casing (2) one side outer wall top, dust screen (4) are installed to cubical switchboard casing (2) bottom outer wall, dust screen (4) are located the outside of air extraction fan (14), supporting leg (6) are all installed in four corners of cubical switchboard casing (2) bottom outer wall, humidity transducer is installed to dust screen (4) bottom inner wall, PLC controller (3) are installed to cubical switchboard casing (2) one side outer wall, humidity transducer passes through signal line and PLC controller (3) signal input part electric connection.

7. A moisture resistant electrical switchgear as claimed in claim 1, wherein: the utility model discloses a switch cabinet casing, including switch cabinet casing (2), screw rod (11) circumference outer wall is connected with slider (13) through the screw rotation, slider (13) bottom outer wall and scraper blade (20) top outer wall fixed connection, motor (5) are installed to switch cabinet casing (2) one side outer wall bottom, motor (5) output shaft and screw rod (11) one side outer wall fixed connection, collect liquid box (23) are installed to scraper blade (20) bottom outer wall, collect liquid box (23) one side outer wall grafting has the second fluid-discharge tube, electric valve is all installed to second fluid-discharge tube and first fluid-discharge tube (15) inner wall.