CN112736682A

CN112736682A - Intelligent power distribution cabinet

Info

Publication number: CN112736682A
Application number: CN202011584288.3A
Authority: CN
Inventors: 刘凯莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-30

Abstract

The invention discloses an intelligent power distribution cabinet which comprises a cabinet body, a cabinet door and a base, wherein the cabinet body is rotatably connected with the cabinet door through a hinge, an observation window is arranged on the cabinet door, a water storage tank is arranged at the upper end of the cabinet body, a drain pipe is arranged at the bottom of the side end face of the water storage tank, a heat dissipation chamber is arranged between the water storage tank and the cabinet body, a heat dissipation fan is arranged at the bottom of the heat dissipation chamber, an air outlet is arranged at the side end face of the heat dissipation chamber, an air inlet tank is arranged at the bottom of the cabinet body, heat dissipation fins are arranged on the back surface of the cabinet. According to the invention, the active heat dissipation of the air heat dissipation fan is matched with the passive heat dissipation of the heat dissipation fins, and the water-cooling heat dissipation is carried out in cooperation with the drain pipe in rainy days, so that the heat dissipation effect of the power distribution cabinet is greatly improved, and the dehumidification pad is added to the air inlet hole to absorb moisture in the air, so that the air inlet humidity is greatly reduced, and the service life of the power distribution cabinet is greatly prolonged.

Description

Intelligent power distribution cabinet

Technical Field

The invention belongs to the technical field of power distribution cabinets, and particularly relates to an intelligent power distribution cabinet.

Background

The switch board is motor control center's general name, can produce higher heat when the switch board uses, consequently need dispel the heat to the switch board, is equipped with a large amount of circuit elements in the switch board, and the switch board generally need be outdoor use, and the too heavy greatly increased short circuit risk of circuit in the switch board of humidity in meetting the plum rain season in the switch board for a long time.

Switch board among the prior art can only prevent when the rainy season that the rainwater from blowing in the switch board, but plum rain season air humidity is high, and outside moist air gets into still can make equipment corrosion short circuit in the switch board, and if the rainwater is too big, the vent of equipment is then closed to this switch board, seriously influences the radiating effect of switch board, and the long-time continuous rain in plum rain season, then the switch board is overheated to burn out very easily.

Disclosure of Invention

The invention aims to provide an intelligent power distribution cabinet to solve the problem that heat dissipation and moisture prevention of the power distribution cabinet cannot be considered simultaneously in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligent power distribution cabinet, includes the cabinet body, cabinet door and base, the cabinet body passes through the hinge rotation with the cabinet door and is connected, be provided with the observation window on the cabinet door, the upper end of the cabinet body is provided with the aqua storage tank, the side end face bottom of aqua storage tank is provided with the drain pipe, be provided with the heat dissipation room between aqua storage tank and the cabinet body, the bottom of heat dissipation room is provided with radiator fan, the side end face of heat dissipation room is provided with the air exit, the bottom of the cabinet body is provided with the air inlet tank, the back of the cabinet body is provided with the heat dissipation fin, the cabinet body and base elastic connection, be.

Preferably, the edge of cabinet door is provided with the sealing washer, the cabinet body passes through sealing washer sealing connection with the cabinet door, ensures the leakproofness between the cabinet body and the cabinet door, avoids that the moisture gets into the cabinet internally by the crack of the cabinet door with the cabinet body, causes the internal equipment of cabinet to corrode.

Preferably, the drain pipe is a U-shaped pipe, the top height of the drain pipe is lower than the top of the edge of the water storage tank, when the rainwater is higher than the bottom height of the drain pipe, due to the siphon effect, the rainwater is drained by the drain pipe once, then the rainwater is stored again, and the U-shaped drain pipe enables the rainwater in the water storage tank to drain periodically.

Preferably, the drain pipe is transversely arranged at the bottom of the heat dissipation fin in a U shape, and after rainwater in the water storage tank is full of the water, the rainwater is drained downwards by the drain pipe to perform water cooling heat dissipation on the heat dissipation fin, so that the heat dissipation effect of the drain pipe on elements in the power distribution cabinet is improved.

Preferably, the upper end of air exit is provided with rain shade, rain shade is circular-arc stainless steel sheet metal, and rain shade can shelter from the air exit, avoids the rainwater to pour into the internal equipment that causes of cabinet by the heat dissipation room and damages.

Preferably, the outer terminal surface in bottom of the cabinet body is provided with the flashing board, the flashing board surrounds outer terminal surface and base sliding connection at the base, and the flashing board effectively protects cabinet body bottom, avoids the rainwater to splash to the dehumidification of cabinet body bottom and stacks up, influences the dehumidification performance that absorbs water that the dehumidification filled up.

Preferably, the dehumidification pad adopts the cotton of absorbing water to make, the thickness of dehumidification pad equals with the interval between the cabinet body and the base, ensures that the dehumidification pad can shelter from the whole terminal surface down of the cabinet body, and when radiator fan carried out the induced draft, the outside air got into the cabinet after the dehumidification of dehumidification pad is internal, greatly reduced got into the humidity of the internal air of cabinet to reduce the probability that the internal equipment of cabinet corrodes.

Preferably, the bottom of the cabinet body is provided with the stand, be provided with compression spring on the stand, the up end of base is provided with the slide opening, the cabinet body passes slide opening cooperation compression spring elastic connection with the base through the stand, and the cabinet body passes through compression spring elastic connection with the base to the shock resistance of the cabinet body has been promoted, and when the aqua storage tank carries out periodic water storage, the cabinet body extrudees compression spring with the base periodicity, when compression spring compression, the cabinet body extrudes dehumidification pad with the base, thereby makes dehumidification pad dehydration, with the hydroscopicity that promotes dehumidification pad, thereby the dehumidification effect is promoted to the periodicity.

Preferably, the up end of base is netted honeycomb panel structure, and network structure makes things convenient for when base and the cabinet body extrusion dehumidification fill up, and the dehumidification fills up and carries out the drainage, has promoted the displacement of dehumidification pad to the water-absorbing capacity of dehumidification pad has been promoted.

Preferably, the bottom of air-supply line groove is provided with a plurality of fresh air inlets, the upper end of fresh air inlet is provided with spiral helicine condenser pipe, the condenser pipe adopts stainless steel to make, outside cold air gets into the condenser pipe by the fresh air inlet when radiator fan carries out convulsions heat dissipation, because the internal portion temperature of cabinet is higher in the heat dissipation of internal circuit component leads to the heat transfer of cabinet, it is internal that cold air gets into the cabinet after the heat transfer through the condenser pipe when getting into the cabinet body with the internal hot-air of cabinet, moisture in the hot-air is attached behind the condensation outside terminal surface backward flow to air-supply line groove bottom by the drain bar discharge, outside cold-air becomes hot-air after the heat transfer and is discharged by the exhaust fan by the air exit to greatly reduced internal humidity of cabinet and temperature.

Preferably, the bottom of intake stack is provided with the drain bar, the upper end welding of drain bar has extension spring, extension spring elastic connection is passed through with the top lower terminal surface of intake stack to the up end of drain bar, and when the ponding of intake stack bottom, the comdenstion water extrudees the drain bar downwards to make the drain bar downstream, make the comdenstion water discharge, the drain bar kick-backs under extension spring's reset action after the discharge, thereby makes the cabinet body keep sealed.

Preferably, the front height of the base is fifteen centimeters, the bottom of the cabinet is lifted, and therefore ground water is prevented from flowing back into the cabinet body.

Preferably, the upper end of the water storage tank is provided with a filter screen, the filter screen is of an inclined plane structure, and the filter screen prevents fallen leaves from falling into the water storage tank to block the drain pipe.

Preferably, the type of the heat radiation fan is 200FZY6, and the heat radiation fan is connected with the power supply through a lead for power supply.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the heat dissipation effect of the power distribution cabinet is greatly improved by matching the active heat dissipation of the air heat dissipation fan with the passive heat dissipation of the heat dissipation fins and matching the water cooling heat dissipation with the drain pipe in rainy days, and the air in the cabinet body can only enter through the air inlet hole and be discharged through the air outlet through the integrally closed structure, and the moisture in the air is absorbed by adding the dehumidifying pad to the air inlet hole, so that the air inlet humidity is greatly reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a side cross-sectional view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3 according to the present invention;

fig. 5 is a cross-sectional view B-B of fig. 4 in accordance with the present invention.

In the figure: 1 cabinet body, 11 air inlet grooves, 111 air inlet holes, 112 condensation pipes, 113 drainage plates, 114 extension springs, 12 water storage tanks, 121 drainage pipes, 122 filter screen covers, 13 heat dissipation chambers, 131 heat dissipation fans, 132 air outlet holes, 133 rain shelters, 14 heat dissipation fins, 15 upright posts, 151 compression springs, 16 rain shelters, 2 cabinet doors, 21 observation windows, 22 sealing rings, 3 bases, 31 sliding holes and 4 dehumidifying pads.

Detailed Description

Please refer to fig. 1, an intelligent power distribution cabinet, which comprises a cabinet body 1, a cabinet door 2 and a base 3, wherein the cabinet body 1 is rotatably connected with the cabinet door 2 through a hinge, an observation window 21 is embedded on the cabinet door 2, a water storage tank 12 is arranged at the upper end of the cabinet body 1, a drain pipe 121 is welded at the bottom of the side end face of the water storage tank 12, a heat dissipation chamber 13 is arranged between the water storage tank 12 and the cabinet body 1, a heat dissipation fan 131 is installed at the bottom of the heat dissipation chamber 13 through a bolt, an air outlet 132 is arranged at the side end face of the heat dissipation chamber 13, an air inlet tank 11 is arranged at the bottom of the cabinet body 1, heat dissipation fins 14 are welded at the back of the cabinet body 1.

Referring to fig. 1, a sealing ring 22 is glued to the edge of the cabinet door 2, the cabinet body 1 is hermetically connected to the cabinet door 2 through the sealing ring 22, so as to ensure the sealing property between the cabinet body 1 and the cabinet door 2, and prevent moisture from entering the cabinet body 1 from a crack between the cabinet door 2 and the cabinet body 1 to corrode equipment in the cabinet body 1, a filtering mesh enclosure 122 is welded to the upper end of the water storage tank 12, the filtering mesh enclosure 122 is of an inclined plane structure, and the filtering mesh enclosure 122 prevents leaves from falling into the water storage tank 12 to block the drain pipe 121.

Referring to fig. 2, the drain pipes 121 are transversely arranged at the bottoms of the heat dissipation fins 14 in a U shape, and when the water storage tank 12 is full of rainwater, the rainwater is drained downwards through the drain pipes 121 to cool the heat dissipation fins 14 with water, so as to improve the heat dissipation effect of the drain pipes 121 on elements in the power distribution cabinet.

Referring to fig. 3, the drain pipe 121 is a U-shaped pipe, the top of the drain pipe 121 is lower than the top of the edge of the water storage tank 12, when rainwater is higher than the bottom of the drain pipe 121, due to siphon action, the rainwater is drained by the drain pipe 121 once, and then water is stored again, the rainwater in the water storage tank 12 is drained periodically by the U-shaped drain pipe 121, the rain shade 133 is welded to the upper end of the air outlet 132, the rain shade 133 is an arc-shaped stainless steel thin plate, and the rain shade 133 can shade the air outlet 132, so that the rainwater is prevented from flowing back into the cabinet body 1 from the heat dissipation chamber 13 to cause equipment damage.

Please refer to fig. 4, a rain shield 16 is welded on the outer end face of the bottom of the cabinet 1, the rain shield 16 surrounds the outer end face of the base 3 and is slidably connected with the base 3, the rain shield 16 effectively protects the bottom of the cabinet 1, prevent rainwater from splashing on the dehumidification pad 4 at the bottom of the cabinet 1, and affect the water absorption and dehumidification performance of the dehumidification pad 4, the dehumidification pad 4 is made of absorbent cotton, the thickness of the dehumidification pad 4 is equal to the distance between the cabinet 1 and the base 3, so as to ensure that the dehumidification pad 4 can shield the whole lower end face of the cabinet 1, when the heat dissipation fan 131 performs air extraction, outside air enters the cabinet 1 after being dehumidified by the dehumidification pad 4, thereby greatly reducing the humidity of the air entering the cabinet 1, and reducing the probability of equipment corrosion in the cabinet 1.

Please refer to fig. 4, the bottom of the cabinet 1 is welded with the upright post 15, the upright post 15 is sleeved with the compression spring 151, the upper end surface of the base 3 is provided with the slide hole 31, the cabinet 1 and the base 3 pass through the slide hole 31 to be matched with the compression spring 151 for elastic connection through the upright post 15, the cabinet 1 and the base 3 pass through the compression spring 151 for elastic connection, thereby the shock resistance of the cabinet 1 is improved, and when the water storage tank 12 stores water periodically, the cabinet 1 and the base 3 periodically extrude the compression spring 151, when the compression spring 151 compresses, the cabinet 1 and the base 3 extrude the dehumidification pad 4, thereby the dehumidification pad 4 is dehydrated, so as to improve the water absorption of the dehumidification pad 4, thereby the dehumidification effect is periodically improved.

Referring to fig. 4, the upper end surface of the base 3 is of a mesh honeycomb structure, and the mesh structure facilitates the drainage of the dehumidifying pad 4 when the dehumidifying pad 4 is pressed by the base 3 and the cabinet 1, so that the drainage capacity of the dehumidifying pad 4 is increased, and the water absorption capacity of the dehumidifying pad 4 is improved.

Referring to fig. 5, a plurality of air inlet holes 111 are formed in the bottom of the air inlet duct 11, a spiral condenser tube 112 is welded to the upper end of the air inlet holes 111, the condenser tube 112 is made of stainless steel, when the heat dissipation fan 131 performs air extraction and heat dissipation, external cold air enters the condenser tube 112 through the air inlet holes 111, the internal temperature of the cabinet 1 is high due to heat dissipation of internal circuit elements of the cabinet 1, the cold air enters the cabinet 1 after exchanging heat with hot air in the cabinet 1 through the condenser tube 112, moisture in the hot air is condensed and attached to the outer end surface of the condenser tube 112 to flow back to the bottom of the air inlet duct 11 and is discharged through the drain plate 113, the external cold air is changed into hot air after exchanging heat and is discharged through the exhaust port 132 by the air extractor fan, and therefore the humidity and the temperature in the cabinet 1 are greatly reduced.

Referring to fig. 5, a drain plate 113 is slidably connected to the bottom of the air inlet duct 11, an extension spring 114 is welded to the upper end of the drain plate 113, the upper end surface of the drain plate 113 is elastically connected to the lower end surface of the top of the air inlet duct 11 through the extension spring 114, when water is accumulated at the bottom of the air inlet duct 11, the drain plate 113 is pressed by the condensed water downward, so that the drain plate 113 moves downward, the condensed water is drained, and the drain plate 113 rebounds under the restoring action of the extension spring 114 after being drained, so that the cabinet 1 is kept sealed.

The working principle of the scheme is as follows: when the cooling fan is used, heat is dissipated outwards through the air draft of the cooling fan 131, the cooling fins 14 on the back side passively dissipate heat of the circuit board in the power distribution cabinet, when the temperature is heavy in rainy seasons, the air humidity is increased, the cooling fan 131 draws outwards, the dehumidifying pad 4 absorbs moisture in the air at the air inlet 111, cold air enters the condensing pipe 112 and exchanges heat with hot air in the cabinet body 1 to dissipate heat in the power distribution cabinet, the moisture in the hot air is condensed on the outer end face of the condensing pipe 112 and then accumulated in the air inlet groove 11, and when water is accumulated to a certain degree, the water discharge plate 113 is pressed to stretch the stretching spring 114, so that condensed water is discharged out of the cabinet body 1 to reduce the humidity in the cabinet body 1.

When the rainwater is great, the rainwater falls into the aqua storage tank 12, the rainwater liquid level rises gradually, thereby 12 weight of aqua storage tank increases gradually, the cabinet body 1 extrudes the compression spring 151 and the dehumidification pad 4 with the base 3, thereby extrude the moisture in the dehumidification pad 4, make the dehumidification pad 4 resume the water absorption performance, after the rainwater liquid level is higher than the peak of drain pipe 121, rainwater in the aqua storage tank 12 is discharged along the drain pipe 121, the rainwater carries out water-cooling heat dissipation for the cooling fin 14 through the drain pipe 121, thereby promote the radiating effect of switch board, the cabinet body 1 upsprings under compression spring 151's reset action simultaneously, so reciprocal, make the dehumidification pad 4 remain good water absorption performance throughout, thereby keep good dehumidification effect.

According to the invention, the heat dissipation effect of the power distribution cabinet is greatly improved by actively dissipating heat through the air heat dissipation fan 131 in cooperation with the passive heat dissipation of the heat dissipation fins 14 and performing water-cooling heat dissipation through the drain pipe 121 in rainy days, the air in the cabinet body 1 can only enter through the air inlet hole 111 and is discharged through the air outlet 132 through the integrally closed structure, the moisture in the air is absorbed by adding the dehumidification pad 4 at the lower end of the air inlet hole 111, the inlet air humidity is greatly reduced, the heat exchange efficiency is greatly improved by adding the condensation pipe 112 at the upper end of the air inlet groove 11, and meanwhile, the moisture in the cabinet is condensed and is discharged through the drainage plate 113 at the bottom of the air inlet groove 11, so that the moisture in the power distribution cabinet is greatly reduced, and the service life of the.

Claims

1. The utility model provides an intelligent power distribution cabinet, includes the cabinet body (1), cabinet door (2) and base (3), its characterized in that: the utility model discloses a cabinet, including cabinet body (1), cabinet door (2), be provided with observation window (21) on cabinet door (2), the upper end of the cabinet body (1) is provided with aqua storage tank (12), the side end face bottom of aqua storage tank (12) is provided with drain pipe (121), be provided with heat dissipation chamber (13) between aqua storage tank (12) and the cabinet body (1), the bottom of heat dissipation chamber (13) is provided with radiator fan (131), the side end face of heat dissipation chamber (13) is provided with air exit (132), the bottom of the cabinet body (1) is provided with intake stack (11), the back of the cabinet body (1) is provided with heat dissipation fin (14), cabinet body (1) and base (3) elastic connection, be provided with dehumidification pad (4) between the cabinet body (1) and base (3).

2. The intelligent power distribution cabinet according to claim 1, characterized in that: the edge of the cabinet door (2) is provided with a sealing ring (22), and the cabinet body (1) is connected with the cabinet door (2) in a sealing mode through the sealing ring (22).

3. The intelligent power distribution cabinet according to claim 1, characterized in that: the drain pipe (121) is a U-shaped pipe, and the top of the drain pipe (121) is lower than the top of the edge of the water storage tank (12).

4. The intelligent power distribution cabinet according to claim 1, characterized in that: the drain pipes (121) are transversely arranged at the bottoms of the radiating fins (14) in a U shape.

5. The intelligent power distribution cabinet according to claim 1, characterized in that: the upper end of air exit (132) is provided with rainshelter (133), rainshelter (133) are circular-arc stainless steel sheet.

6. The intelligent power distribution cabinet according to claim 1, characterized in that: a rain shielding plate (16) is arranged on the outer end face of the bottom of the cabinet body (1), and the rain shielding plate (16) surrounds the outer end face of the base (3) and is in sliding connection with the base (3).

7. The intelligent power distribution cabinet according to claim 1, characterized in that: the dehumidification pad (4) is made of absorbent cotton, and the thickness of the dehumidification pad (4) is equal to the distance between the cabinet body (1) and the base (3).

8. The intelligent power distribution cabinet according to claim 1, characterized in that: the bottom of the cabinet body (1) is provided with a stand column (15), a compression spring (151) is arranged on the stand column (15), a sliding hole (31) is formed in the upper end face of the base (3), and the cabinet body (1) and the base (3) are elastically connected through the stand column (15) in a mode that the sliding hole (31) is matched with the compression spring (151).

9. The intelligent power distribution cabinet according to claim 1, characterized in that: the upper end surface of the base (3) is of a honeycomb plate net structure.

10. The intelligent power distribution cabinet according to claim 1, characterized in that: the bottom of air inlet groove (11) is provided with a plurality of fresh air inlet (111), the upper end of fresh air inlet (111) is provided with spiral helicine condenser pipe (112), condenser pipe (112) adopt stainless steel material to make.