CN212968772U

CN212968772U - Dehumidification device for high-low voltage electric cabinet

Info

Publication number: CN212968772U
Application number: CN202021991991.1U
Authority: CN
Inventors: 潘际群; 周永方; 黄国彬
Original assignee: Shenzhen Yuetongda Electrical Technology Co ltd
Current assignee: Shenzhen Yuetongda Electrical Technology Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-13
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a high low-voltage electricity is dehydrating unit for cabinet, including the cabinet body, external wall of cabinet is provided with the insulation cover, is provided with the cooling layer between insulation cover and the cabinet body, and the cooling layer has held the refrigerant, and insulation cover one side is provided with the gas transmission groove, and gas transmission inslot wall is provided with the gas transmission fan, the gas transmission groove is provided with the gas-supply pipe, and the gas-supply pipe is equipped with two spinal branch pipes, and two spinal branch pipes let in internal portion of cabinet bottom and cooling layer respectively, and internal wall welding of cabinet has the baffle, is provided with between internal wall of cabinet bottom and the baffle and stores the chamber, and baffle top outer wall is provided. The utility model discloses in, the gas-supply pipe forms low temperature gas with the leading-in cooling layer of air and the internal with cabinet, through the coolant cooling, and the drying net box with absorb water cotton with moisture absorption, form low temperature drying air and cool down electrical component, the dehumidification net box is further dry with the air, the guide duct drives air cycle, the exhaust fan is with damp and hot gas outgoing, keeps the internal portion of cabinet dry.

Description

Dehumidification device for high-low voltage electric cabinet

Technical Field

The utility model relates to a high-low voltage electric cabinet technical field especially relates to a high-low voltage is dehydrating unit for electric cabinet.

Background

High-low voltage switch cabinet is the equipment that just meets high pressure or low-voltage cable as the name implies, general power supply office, the high-voltage board is used to the electric substation, then go to the low-voltage board again through the transformer step-down, the low-voltage board arrives the block terminal of each power consumption again, the inside does not have or be the electrical equipment of assembling into an organic whole to protection device such as some switch breakers, wherein high-low voltage switch cabinet arranges in outdoor mostly, because the inside is the metal material and lacks the manual work to manage for the majority, after a long time, the very easy deposition of inside, and the temperature of metal material is lower than the air, inside forms vapor easily, thereby lead to the humidity, reduce its life easily.

Chinese patent (application number: 201920800882.8) proposes a "dehumidification device for high and low voltage electrical cabinet", which condenses and dehumidifies air by a refrigeration sheet, heats and dries the air by an electric heater, further removes moisture, and effectively prevents the interior of the cabinet from being wetted, but does not consider that the electric heater heats and dries the air to raise the temperature of the air, and the air is mixed with heat generated by the operation of elements in the cabinet, so that the heat dissipation burden of the device is increased, and the device is easily damaged by heating.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dehumidification device for a high-low voltage electric cabinet.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dehumidification device for a high-low voltage electric cabinet comprises a cabinet body, wherein a heat insulation sleeve is arranged on the outer wall of the cabinet body, a cooling layer is arranged between the heat insulation sleeve and the cabinet body, a refrigerant is contained in the cooling layer, a gas transmission groove is formed in one side of the heat insulation sleeve, a gas transmission fan is arranged on the inner wall of the gas transmission groove, a filter screen is connected to the inner wall of the gas transmission groove far away from one side of the cabinet body in a sliding mode, the gas transmission groove is provided with a gas transmission pipe, the gas transmission pipe is provided with two branch pipes which are respectively led into the bottom of the cabinet body and the inside of the cooling layer, the two branch pipes are respectively provided with a one-way gas inlet valve, a partition plate is welded on the inner wall of the cabinet body, a storage cavity is arranged between the inner wall of the bottom of the cabinet body and the partition plate, the refrigerant is contained in the storage cavity, an air outlet, the air holes distributed equidistantly are formed in the supporting plate, the insulation sleeve and the cabinet body are provided with two slots close to the outer wall of one side of the air conveying groove, the two slots are connected with the drying net boxes in a sliding mode, the outer wall of the cabinet body is provided with an air inlet groove between the two drying net boxes, the inner wall of the air inlet groove is provided with an air inlet fan, one side, away from the air inlet groove, of the cabinet body is provided with an air outlet groove penetrating through the cabinet body and the outer wall of the insulation sleeve, the inner wall of the air outlet groove is provided with an air outlet pipe penetrating through the insulation sleeve and entering a cooling layer, the air outlet pipe is provided with a one-way valve, the inner walls of the two sides of the cabinet body and the inner wall of the top of the cabinet body are connected with a dehumidification net box in a sliding mode, the top.

Preferably, the inner wall of the cabinet body is provided with a sliding groove, and the sliding groove is arranged along the sliding direction of the dehumidifying net cage.

Preferably, the dehumidification net cage outer wall welding has the slider, and slider and spout inner wall sliding connection, and slider length is less than the spout degree of depth.

Preferably, silica gel drying agents are filled in the drying net cage and the dehumidifying net cage, and the water absorbing cotton is filled in the air holes.

Preferably, the dustproof net is arranged at the top of the heat dissipation groove in the outer wall of the top of the cabinet body, and the dustproof net is matched with the heat dissipation groove.

Preferably, the bottom outer wall of the heat-insulating sleeve is welded with a bottom plate, and the periphery of the bottom outer wall of the bottom plate is welded with mounting seats.

Preferably, the outer wall of the cabinet body is provided with a cabinet door, one side of the cabinet door is hinged with the outer wall of the cabinet body, and the other side of the cabinet door is provided with a locking pin.

The utility model has the advantages that:

1. an air conveying fan in the air conveying groove guides outside air into the cooling layer and the cabinet body through an air conveying pipe, the outside air is cooled by the cooling layer and a coolant in a storage cavity at the bottom of the cabinet body to form low-temperature gas, and the low-temperature gas is absorbed and filtered by a drying net cage and absorbent cotton to form low-temperature drying air which enters the cabinet body to cool an electric element arranged in the cabinet body, so that the temperature in the cabinet body is reduced, and the electric element is prevented from spontaneous combustion due to high temperature;

2. the fan that advances rotates with the air-out fan, the internal portion air of reinforcing cabinet flows, the dehumidification box with carry moisture in with the air and adsorb, further dry the internal portion air of cabinet, the guide duct cools off the leading-in cooling layer of the internal portion air of cabinet once more, drive air cycle, prevent effectively that external dust from getting into, the exhaust fan is with the internal portion humid hot gas outgoing of cabinet, keep the internal portion of cabinet dry, increase dehumidification efficiency, solar cell panel turns into the electric energy with solar energy, the operation of drive arrangement part, resources are saved, and solar cell panel separation rainwater, prevent effectively that overcast and rainy weather rainwater from getting into the cabinet body.

Drawings

Fig. 1 is a schematic sectional structure view of a dehumidification device for a high-low voltage electric cabinet according to the present invention;

fig. 2 is a schematic front structural view of a dehumidification device for a high-low voltage electric cabinet according to the present invention;

fig. 3 is the utility model provides a dehumidification device for high-low voltage electric cabinet's gas transmission groove structural schematic.

In the figure: the solar energy heat preservation cabinet comprises a cabinet body 1, a heat preservation sleeve 2, a cooling layer 3, an air conveying groove 4, an air conveying fan 5, a filter screen 6, an air conveying pipe 7, a partition plate 8, an air pump 9, a damping spring 10, a damping rubber strip 11, a supporting plate 12, air vents 13, a drying net cage 14, an air inlet groove 15, an air inlet fan 16, a dehumidifying net cage 17, an air outlet groove 18, an air outlet fan 19, an air exhaust fan 20, a solar cell panel 21 and an air guide pipe 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a dehumidification device for a high-low voltage electric cabinet comprises a cabinet body 1, wherein an insulation sleeve 2 is arranged on the outer wall of the cabinet body 1, a cooling layer 3 is arranged between the insulation sleeve 2 and the cabinet body 1, a refrigerant is contained in the cooling layer 3, an air transmission groove 4 is arranged on one side of the insulation sleeve 2, an air transmission fan 5 is arranged on the inner wall of the air transmission groove 4, a filter screen 6 is connected on the inner wall of the air transmission groove 4 far away from one side of the cabinet body 1 in a sliding manner, the air transmission fan 5 in the air transmission groove 4 guides outside air into the cooling layer 3 and the cabinet body 1 through an air transmission pipe 7, the filter screen 6 filters dust and impurities in the air, the air transmission groove 4 is provided with an air transmission pipe 7, the air transmission pipe 7 is provided with two branch pipes which are respectively led into the bottom of the cabinet body 1 and the inside of the cooling layer 3, the two branch pipes are both provided with one-, the storage cavity is filled with a refrigerant, the outer wall of the top of the clapboard 8 is provided with an air outlet pipe, the air outlet pipe is provided with an air pump 9, the outer wall of the top of the clapboard 8 is provided with a damping spring 10 and a damping rubber strip 11 which are distributed equidistantly, the tops of the damping spring 10 and the damping rubber strip 11 are provided with a support plate 12 which is in sliding connection with the inner wall of the cabinet body 1, the support plate 12 is provided with air holes 13 which are distributed equidistantly, the outer wall of the heat preservation sleeve 2 and the cabinet body 1 near the air transmission groove 4 is provided with two slots which are both in sliding connection with drying net cages 14, the outer wall of the cabinet body 1 is provided with an air inlet groove 15 between the two drying net cages 14, the inner wall of the air inlet groove 15 is provided with an air inlet fan 16, one side of the cabinet body 1 far away from the air inlet groove 15 is provided with an air outlet groove 18 which penetrates, the air guide pipe 22 penetrates through the heat insulation sleeve 2 and enters the cooling layer 3, the air guide pipe 22 is provided with a one-way valve, the air guide pipe 22 guides the air inside the cabinet body 1 into the cooling layer 3 again for cooling to drive air circulation and effectively prevent external dust from entering, the inner walls of the two sides of the cabinet body 1 and the inner wall of the top of the cabinet body 1 are both connected with a dehumidifying net cage 17 in a sliding mode, the dehumidifying net cage 17 adsorbs moisture carried in the air and further dries the air inside the cabinet body 1, the top of the cabinet body 1 is provided with a heat dissipation groove, the inner wall of the heat dissipation groove is provided with a suction fan 20, the suction fan 20 discharges damp-heat gas inside the cabinet body 1 to keep the inside of the cabinet body 1 dry and increase dehumidifying efficiency, the inner wall of the cabinet body 1 is provided with a sliding groove, the sliding groove is arranged along the sliding direction of the dehumidifying net cage 17, the, the solar energy dehumidification type refrigerator is characterized in that a dustproof net is arranged at the top of a heat dissipation groove in the outer wall of the top of the cabinet body 1 and is matched with the heat dissipation groove, a mounting frame is welded on the outer wall of the top of the heat insulation sleeve 2, a solar cell panel 21 is mounted on the mounting frame, the solar cell panel 21 converts solar energy into electric energy, a driving device part operates to save resources, the solar cell panel 21 blocks rainwater, rainwater in rainy days is effectively prevented from entering the cabinet body 1, silica gel drying agents are filled in the drying net cage 14 and the dehumidification net cage 17, water absorption cotton is filled in the air holes 13, outside air is cooled by a cooling layer 3 and a cooling agent in a storage cavity at the bottom of the cabinet body 1 to form low-temperature gas, water in the air is absorbed and filtered by the drying net cage 14 and the water absorption cotton to form low-temperature dry air, the low-temperature dry, reduce the 1 inside temperature of the cabinet body, prevent that electrical component from because of high temperature spontaneous combustion, the welding of 2 bottom outer walls of insulation cover has the bottom plate, and all welds all around the bottom plate bottom outer wall has the mount pad, 1 outer wall of the cabinet body is provided with the cabinet door, and cabinet door one side is articulated with 1 outer wall of the cabinet body, and one side in addition of the cabinet door is provided with the stop pin.

The working principle is as follows: the utility model discloses at the during operation, air transmission fan 5 in the air transmission groove 4 leads into the cooling layer 3 and the cabinet body 1 through the gas-supply pipe 7 with the outside air, the dust impurity in the air is filtered to filter screen 6, the outside air is cooled through the coolant in cooling layer 3 and the cabinet 1 body bottom storage chamber, form low temperature gas, pass through drying net cage 14 and absorbent cotton again and adsorb the moisture in the air and filter, form low temperature drying air, get into the cabinet body 1 inside, lower the temperature to the electric component that sets up in the cabinet body 1 inside, reduce the internal temperature of the cabinet body 1, prevent that electric component from because of high temperature spontaneous combustion, air inlet fan 16 and air outlet fan 19 rotate, strengthen the internal air flow of the cabinet body 1, dehumidification net cage 17 adsorbs moisture in the air, further dry the internal air of the cabinet body 1, guide duct 22 leads the internal air of the cabinet body 1 into cooling layer 3 again and cools, drive air circulation, effectively prevent that external dust from getting into, the inside humid hot gas of the cabinet body 1 is discharged to extraction fan 20, keeps the inside drying of the cabinet body 1, increases dehumidification efficiency, and solar cell panel 21 turns into the electric energy with solar energy, and the operation of drive arrangement part, resources are saved, and solar cell panel 21 separation rainwater prevents effectively that rainy weather rainwater from getting into the cabinet body 1 inside.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A dehumidification device for a high-low voltage electric cabinet comprises a cabinet body (1) and is characterized in that a heat insulation sleeve (2) is arranged on the outer wall of the cabinet body (1), a cooling layer (3) is arranged between the heat insulation sleeve (2) and the cabinet body (1), a refrigerant is contained in the cooling layer (3), a gas transmission groove (4) is arranged on one side of the heat insulation sleeve (2), a gas transmission fan (5) is arranged on the inner wall of the gas transmission groove (4), the inner wall of one side, far away from the cabinet body (1), of the gas transmission groove (4) is connected with a filter screen (6) in a sliding mode, a gas transmission pipe (7) is arranged in the gas transmission groove (4), the gas transmission pipe (7) is provided with two branch pipes, the two branch pipes are respectively led into the bottom of the cabinet body (1) and the cooling layer (3), the two branch pipes are respectively provided with a one-way air inlet valve, a partition plate (8) is, the storage cavity is filled with a refrigerant, the outer wall of the top of the partition plate (8) is provided with an air outlet pipe, the air outlet pipe is provided with an air suction pump (9), the outer wall of the top of the partition plate (8) is provided with damping springs (10) and damping rubber strips (11) which are distributed equidistantly, the tops of the damping springs (10) and the damping rubber strips (11) are provided with a supporting plate (12) which is in sliding connection with the inner wall of the cabinet body (1), the supporting plate (12) is provided with air holes (13) which are distributed equidistantly, the outer walls of the heat preservation sleeve (2) and the cabinet body (1) close to one side of the air transmission groove (4) are provided with two slots, the two slots are in sliding connection with drying net boxes (14), the outer wall of the cabinet body (1) is provided with an air inlet groove (15) between the two drying net boxes (14), the inner wall of the air inlet groove (15) is provided with an air inlet fan (16), one side of, and air-out groove (18) inner wall is provided with out fan (19), and air-out groove (18) keep away from cabinet body (1) one side and be provided with guide duct (22), and guide duct (22) run through insulation cover (2) and get into cooling layer (3), and guide duct (22) are provided with the check valve, the equal sliding connection of cabinet body (1) both sides inner wall and cabinet body (1) top inner wall has dehumidification net case (17), and cabinet body (1) top is provided with the radiating groove, and the radiating groove inner wall is provided with suction fan (20), insulation cover (2) top outer wall welding has the mounting bracket, and solar cell panel (21) is installed to the mounting bracket.

2. The dehumidification device for the high-low voltage electric cabinet as claimed in claim 1, wherein the cabinet body (1) is provided with a sliding groove on the inner wall, and the sliding groove is arranged along the sliding direction of the dehumidification net box (17).

3. The dehumidification device for the high-low voltage electric cabinet as claimed in claim 1, wherein a sliding block is welded on the outer wall of the dehumidification net box (17), the sliding block is connected with the inner wall of the sliding groove in a sliding manner, and the length of the sliding block is smaller than the depth of the sliding groove.

4. The dehumidification device for the high-low voltage electric cabinet as claimed in claim 1, wherein the drying net box (14) and the dehumidification net box (17) are both filled with silica gel desiccant, and the air holes (13) are filled with absorbent cotton.

5. The dehumidification device for the high-low voltage electric cabinet as claimed in claim 1, wherein a dust screen is disposed on the top of the heat sink on the outer wall of the top of the cabinet body (1), and the dust screen is adapted to the heat sink.

6. The dehumidification device for the high-low voltage electric cabinet as claimed in claim 1, wherein a bottom plate is welded on the outer wall of the bottom of the heat preservation sleeve (2), and mounting seats are welded on the periphery of the outer wall of the bottom plate.

7. The dehumidification device for the high-low voltage electric cabinet as claimed in claim 1, wherein a cabinet door is arranged on the outer wall of the cabinet body (1), one side of the cabinet door is hinged with the outer wall of the cabinet body (1), and a locking pin is arranged on the other side of the cabinet door.