CN113746014A

CN113746014A - Energy-saving heat dissipation type high-low voltage electric power cabinet

Info

Publication number: CN113746014A
Application number: CN202111044797.1A
Authority: CN
Inventors: 李甜甜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-12-03

Abstract

The invention belongs to the field of electric power cabinets, and particularly relates to an energy-saving heat-dissipation high-low voltage electric power cabinet which comprises a bottom plate; the upper surface of the bottom plate is fixedly connected with a cabinet body, the front surface of the cabinet body is movably connected with a front cover plate, and the upper surface of the cabinet body is fixedly connected with a sunshade top. This energy-conserving heat dissipation type high-low voltage electric power cabinet is through setting up the arc, when the outside air current was through, the arc upwards water conservancy diversion with the cold air of bottom, can know according to Bernoulli's principle, the baffle opens under the pressure differential effect, because cold air density is greater than the hot-air, the cold-air sinks naturally, the outside air current promotes the cold-air and flows from the rectangular channel, under the effect of swash plate, the cold-air rises, the cold-air is at the inside endothermic inflation of equipment, the hot-air rises naturally, flow out from the bottom of fin, the inside heat of equipment also takes over thereupon, utilize the inside temperature of the inside and outside gaseous flow control equipment of electric power cabinet, the problem that the inside temperature of traditional electric power cabinet piled up the rising easily has been solved.

Description

Energy-saving heat dissipation type high-low voltage electric power cabinet

Technical Field

The invention belongs to the field of electric power cabinets, and particularly relates to an energy-saving heat-dissipation high-low voltage electric power cabinet.

Background

The power cabinet is also called a power distribution cabinet and is a general name of a motor control center. The motor control system can be used in the occasions of relatively dispersed load and less loops, and can also be used in the motor control center and used in the occasions of concentrated load and more loops. The main role is to provide protection, monitoring and control of the load.

Traditional electric power cabinet places when outdoor, electric power cabinet is because the metal material is adopted more, summer, equipment surface and inside are very easily absorbed the heat, in addition the heat that the inside electrical apparatus work of equipment produced, electric power cabinet is very easily high temperature spontaneous combustion, traditional electric power cabinet is mostly metal box structure, inside lacks heat abstractor, the radiating efficiency is low, the radiating effect is poor, generally externally install heat abstractor, but heat abstractor also can consume partly electric power, the extravagant energy, and heat abstractor also can produce the heat at the during operation.

Disclosure of Invention

The invention aims to provide an energy-saving heat-dissipation high-low voltage power cabinet to solve the problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an energy-saving heat-dissipation high-low voltage power cabinet, which comprises a bottom plate; the utility model discloses a solar energy water heater, including the bottom plate, the last fixed surface of bottom plate is connected with the cabinet body, the front swing joint of the cabinet body has the front shroud, the last fixed surface of the cabinet body is connected with the sunshade top, the side fixedly connected with arc of the cabinet body, the arc is located the outside of the cabinet body, the top of arc is provided with the baffle, the surface of baffle and the internal surface rotation of the cabinet body are connected, the last fixed surface of baffle is connected with the spoiler, the back of spoiler is provided with liquid cooling mechanism, the surface of liquid cooling mechanism and the external surface fixed connection of the cabinet body, the internal surface fixed connection of the cabinet body has the backup pad, the both sides fixedly connected with baffle of backup pad, the surface of baffle and the internal surface fixed connection of the cabinet body.

The solar energy sun shading roof is characterized in that a photovoltaic plate is fixedly connected to the outer surface of the sun shading roof, an arc-shaped groove is formed in the top of the photovoltaic plate, the arc-shaped groove is formed in the upper surface of the sun shading roof, a water inlet groove is formed in the bottom of the arc-shaped groove, an impeller is rotatably connected to the outer surface of the water inlet groove, and the impeller is located at the top of the sun shading roof.

The inner fixed connection of the sunshade top is provided with a water tank, the upper surface of the water tank is rotatably connected with the lower surface of the impeller, the outer surface of the water tank is fixedly connected with radiating fins, the wall of each radiating fin is fixedly connected with a heating wire, the two ends of each heating wire are provided with hot water inlet pipes, the top ends of the hot water inlet pipes are fixedly connected with the outer surface of the water tank, and the back surface of the water tank is fixedly connected with a cold water outlet pipe.

The liquid cooling mechanism comprises a vertical pipe, the top end of the vertical pipe is connected with a cold water outlet pipe, a one-way valve is fixedly connected to the outer surface of the vertical pipe, an inner cooling pipe is fixedly connected to the front side of the one-way valve, an outer cooling pipe is fixedly connected to the bottom of the inner cooling pipe, a return pipe is fixedly connected to the left ends of the outer cooling pipe and the inner cooling pipe, and the return pipe is located in a gap between the front cover plate and the cabinet body.

A heat exchange chamber is arranged in the wall of the partition plate and located at the top of the partition plate, a rectangular groove is arranged in the wall of the partition plate and located at the bottom of the heat exchange chamber, an inclined plate is fixedly connected to the outer surface of the right side of the partition plate, the side face of the heat exchange chamber is communicated with the outer surface of the inner cooling pipe, and the upper surface of the heat exchange chamber is communicated with the bottom end of the hot water inlet pipe.

The utility model discloses a support structure for the electric heating equipment, including backup pad, curved plate, bracing piece, through-hole, the last fixed surface of backup pad is connected with supporting mechanism, supporting mechanism is linear and arranges, supporting mechanism includes the curved plate, the upper surface and the inside electric unit of curved plate contact, the lower surface of curved plate rotates and is connected with the bracing piece, the bottom of bracing piece is connected with the last fixed surface of backup pad, the outside fixedly connected with compression spring of bracing piece, compression spring's top is connected with the fixed surface of curved plate.

The invention has the following beneficial effects:

1. according to the invention, the arc plate is arranged, when external air flows, the cold air at the bottom is guided upwards by the arc plate, due to the existence of the spoiler, according to Bernoulli's principle, the air flow velocity at the top of the baffle plate is far larger than that at the bottom, the baffle plate is opened under the action of pressure difference, the cold air flows from the left side of the baffle plate from top to bottom, the cold air naturally sinks due to the fact that the density of the cold air is larger than that of the hot air, the external air pushes the cold air to flow out from the rectangular groove, the cold air rises under the action of the inclined plate, the cold air absorbs heat and expands in the equipment, the hot air naturally rises and flows out from the bottom of the radiating fin, the heat in the equipment is also taken out, the temperature in the equipment is controlled by utilizing the flow of the air inside and outside the electric cabinet, and the problem that the temperature in the traditional electric cabinet is easy to accumulate and rise is solved.

2. The invention adopts the liquid cooling mechanism, when the heat conduction of the gas can not meet the requirement of heat dissipation in the equipment, the cold water in the water tank flows out from the cold water outlet pipe, the cold water flows to the inner cooling pipe and the outer cooling pipe through the vertical pipes respectively, the external air flow passes through the outer cooling pipe respectively in the process of flowing into the equipment to accelerate the cooling speed, the frame formed by the liquid cooling mechanism well isolates and transfers the heat absorbed by the outer surface of the equipment, the water in the cooling mechanism is collected in the cold-heat exchange chamber, the hot air is accumulated at the top of the space, the heat conversion rate is improved by increasing the contact area, when the temperature of the water in the liquid cooling mechanism is not greatly different from the external temperature, the heat conversion rate is reduced, because the water tank is larger than the liquid cooling mechanism in transition, the hot water is heated to move upwards, the hot water flows into the water tank from the hot water inlet pipe, the cold water in the water tank is extruded, and the circulation is realized, utilize liquid cooling and water-cooling combined action, solved the inside thermal conversion efficiency of traditional electric power cabinet low, the poor problem of radiating effect.

3. According to the invention, by arranging the supporting plate, when gas flows in, cold air flows from the bottom of the through hole to the top down, the supporting mechanism is in contact with internal electrical equipment, the supporting area is reduced and the number of supporting points is increased, so that the supporting stability is ensured, the heat conduction is also reduced, the internal electrical equipment is prevented from being directly contacted with the power cabinet, the liquid cooling mechanism conveys hot water to the inside of the water tank, heat is absorbed by the radiating fins, finally, when internal airflow is blown out, the hot water flows through the outer surfaces of the radiating fins, the heat is taken away, the heat conversion is ensured to be stable and timely, in addition, the sun shade is supported, the heat dissipation effect is increased, meanwhile, external rainwater can be collected through the arc-shaped groove and the water inlet groove, the internal and external water circulation is further realized, the impeller can convert external wind energy into electric energy, the internal and external heat dissipation effect and the external heat dissipation rate of the equipment are met, and meanwhile, the consumption of other external energy sources can be reduced, the problem of traditional electric power cabinet when the heat dissipation, need consume external energy is solved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the construction of the sunroof according to the present invention;

FIG. 4 is a schematic view showing the internal structure of the sunroof according to the present invention;

FIG. 5 is a schematic diagram of the liquid cooling mechanism of the present invention;

FIG. 6 is a schematic view of the construction of the separator of the present invention;

FIG. 7 is a schematic view of the structure of the support plate of the present invention

In the figure: the solar water heater comprises a bottom plate 1, a cabinet body 2, a front cover plate 3, a sunshade roof 4, an arc-shaped plate 10, a baffle plate 11, a spoiler 12, a liquid cooling mechanism 13, a support plate 14, a partition plate 15, a photovoltaic plate 20, an arc-shaped groove 21, a water inlet groove 22, an impeller 23, a water tank 30, a radiating fin 31, an electric heating wire 32, a hot water inlet pipe 33, a cold water outlet pipe 34, a vertical pipe 40, a check valve 41, an internal cooling pipe 42, an external cooling pipe 43, a return pipe 44, a cold and heat exchange chamber 50, a rectangular groove 51, an inclined plate 52, a through hole 53, a support mechanism 54, a bent plate 55, a compression spring 56 and a support rod 57.

Detailed Description

An energy-saving heat-dissipation high-and low-voltage power cabinet according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.

As shown in fig. 1-7, the energy-saving heat dissipation type high-low voltage power cabinet of the present invention includes a bottom plate 1; the upper surface of the bottom plate 1 is fixedly connected with a cabinet body 2, the front surface of the cabinet body 2 is movably connected with a front cover plate 3, the upper surface of the cabinet body 2 is fixedly connected with a sunshade top 4, the side surface of the cabinet body 2 is fixedly connected with an arc plate 10, the arc plate 10 is positioned outside the cabinet body 2, the top of the arc plate 10 is provided with a baffle plate 11, the outer surface of the baffle plate 11 is rotatably connected with the inner surface of the cabinet body 2, the upper surface of the baffle plate 11 is fixedly connected with a spoiler 12, the back of the spoiler 12 is provided with a liquid cooling mechanism 13, the outer surface of the liquid cooling mechanism 13 is fixedly connected with the outer surface of the cabinet body 2, the inner surface of the cabinet body 2 is fixedly connected with a support plate 14, two sides of the support plate 14 are fixedly connected with partition plates 15, the outer surface of the partition plate 15 is fixedly connected with the inner surface of the cabinet body 2, through the arc plate 10, when outside air flows, the arc plate 10 guides the cold air at the bottom upwards, due to the spoiler 12, according to Bernoulli's principle, the air flow velocity at the top of the baffle 11 is far larger than that at the bottom, the baffle 11 is opened under the action of pressure difference, cold air flows from the left side of the partition 15 from top to bottom, and because the density of the cold air is larger than that of the hot air, the cold air naturally sinks, the external air pushes the cold air to flow out from the rectangular groove 51, and under the action of the inclined plate 52, the cold air rises, the cold air absorbs heat and expands in the equipment, the hot air naturally rises and flows out from the bottom of the radiating fin 31, the heat in the equipment is also taken out, the temperature in the equipment is controlled by the flow of the air inside and outside the power cabinet, and the problem that the temperature in the traditional power cabinet is easy to accumulate and rise is solved.

The outer fixed surface of sunshade top 4 is connected with photovoltaic board 20, and the top of photovoltaic board 20 is provided with arc wall 21, and arc wall 21 sets up the upper surface at sunshade top 4, and intake antrum 22 has been seted up to the bottom of arc wall 21, and the surface rotation of intake antrum 22 is connected with impeller 23, and impeller 23 is located the top of sunshade top 4.

The inside fixedly connected with water tank 30 of sunroof 4, the upper surface of water tank 30 rotates with the lower surface of impeller 23 to be connected, and the outer fixed surface of water tank 30 is connected with fin 31, and fixedly connected with heating wire 32 in the wall of fin 31, the both ends of heating wire 32 are provided with hot water inlet pipe 33, and the top of hot water inlet pipe 33 is connected with the outer fixed surface of water tank 30, and the back fixedly connected with cold water outlet pipe 34 of water tank 30.

The liquid cooling mechanism 13 comprises a vertical pipe 40, the top end of the vertical pipe 40 is connected with a cold water outlet pipe 34, the outer surface of the vertical pipe 40 is fixedly connected with a one-way valve 41, the front surface of the one-way valve 41 is fixedly connected with an inner cooling pipe 42, the bottom of the inner cooling pipe 42 is fixedly connected with an outer cooling pipe 43, the left ends of the outer cooling pipe 43 and the inner cooling pipe 42 are fixedly connected with a return pipe 44, the return pipe 44 is positioned in a gap between the front cover plate 3 and the cabinet body 2, through the arrangement of the liquid cooling mechanism 13, when the heat conduction of gas cannot meet the heat dissipation requirement inside the equipment, the cold water inside the water tank 30 flows out of the cold water outlet pipe 34, the cold water flows into the inner cooling pipe 42 and the outer cooling pipe 43 through the vertical pipe 40 respectively, the external air flow passes through the outer cooling pipe 43 respectively in the process of flowing into the equipment to accelerate the cooling speed, the frame formed by the liquid cooling mechanism 13 well isolates and transfers the heat absorbed by the outer surface of the equipment, the water inside the cooling mechanism 13 is collected inside the cold heat exchange chamber 50, because the hot-air piles up at the space top more, utilize increase area of contact to improve heat conversion rate, when the temperature of the inside water of liquid cooling mechanism 13 and ambient temperature differed little, heat conversion rate reduces, because water tank 30 transition is greater than liquid cooling mechanism 13, hot water is heated the upward movement, hot water flows into water tank 30 from hot water inlet tube 33, the inside cold water of water tank 30 is then extruded, so circulation, utilize liquid cooling and water-cooling combined action, it is low to have solved the inside heat conversion efficiency of traditional electric power cabinet, the poor problem of radiating effect.

A heat exchange chamber 50 is formed in the wall of the partition plate 15, the heat exchange chamber 50 is located at the top of the partition plate 15, a rectangular groove 51 is formed in the wall of the partition plate 15, the rectangular groove 51 is located at the bottom of the heat exchange chamber 50, an inclined plate 52 is fixedly connected to the outer surface of the right side of the partition plate 15, the side surface of the heat exchange chamber 50 is communicated with the outer surface of the inner cooling pipe 42, and the upper surface of the heat exchange chamber 50 is communicated with the bottom end of the hot water inlet pipe 33.

The wall of the supporting plate 14 is provided with a through hole 53, the upper surface of the supporting plate 14 is fixedly connected with a supporting mechanism 54, the supporting mechanism 54 is linearly arranged, the supporting mechanism 54 comprises a bent plate 55, the upper surface of the bent plate 55 is contacted with an internal electric unit, the lower surface of the bent plate 55 is rotatably connected with a supporting rod 57, the bottom end of the supporting rod 57 is fixedly connected with the upper surface of the supporting plate 14, the outer part of the supporting rod 57 is fixedly connected with a compression spring 56, the top end of the compression spring 56 is fixedly connected with the outer surface of the bent plate 55, by arranging the supporting plate 14, when gas flows in, cold air flows from the bottom of the through hole 53 to the top down, the supporting mechanism 54 is contacted with internal electric equipment, by reducing the supporting area and increasing the number of supporting points, while ensuring the supporting stability, the heat conduction is also reduced, the internal electric equipment is prevented from being directly contacted with the electric cabinet, and the liquid cooling mechanism 13 conveys hot water to the inside of the water tank 30, the heat absorbs through fin 31, and finally, when inside air current blew off, the surface of fin 31 of flowing through, the heat is taken away, ensure the stability and timely of heat conversion, and, sunshade top 4 is in the increase radiating effect, also can collect external rainwater through arc wall 21 and intake antrum 22, further realize inside and outside hydrologic cycle, impeller 23 can turn into the electric energy with external wind energy, when satisfying inside and outside radiating effect and the speed of equipment, also can reduce the consumption to other energy sources in the external world, traditional electric power cabinet has been solved when the heat dissipation, need consume the problem of external energy.

The specific working process is as follows:

when the electric power cabinet is in work, when external air flows, the arc-shaped plate 10 guides cold air at the bottom upwards, due to the existence of the spoiler 12, according to Bernoulli's principle, the air flow speed at the top of the baffle plate 11 is far larger than that at the bottom, the baffle plate 11 is opened under the action of pressure difference, the cold air flows from the left side of the partition plate 15 from top to bottom, the cold air naturally sinks due to the fact that the density of the cold air is larger than that of hot air, the external air pushes the cold air to flow out of the rectangular groove 51, the cold air rises under the action of the inclined plate 52, the cold air absorbs heat inside the electric power cabinet to expand, the hot air naturally rises and flows out of the bottom of the radiating fin 31, the heat inside the electric power cabinet is also taken out, and the temperature inside the electric power cabinet is controlled by the flow of the internal air and external air.

When the heat conduction of the gas cannot meet the requirement of heat dissipation inside the equipment, the cold water inside the water tank 30 flows out from the cold water outlet pipe 34, the cold water flows to the inner cooling pipe 42 and the outer cooling pipe 43 through the vertical pipe 40 respectively, the external air flow passes through the outer cooling pipe 43 respectively in the process of flowing into the equipment to accelerate the cooling speed, the frame formed by the liquid cooling mechanism 13 isolates and transfers the heat absorbed by the outer surface of the equipment well, the water inside the cooling mechanism 13 is collected inside the heat exchange chamber 50, the heat conversion rate is increased by increasing the contact area because the hot air is accumulated on the top of the space, when the temperature of the water inside the liquid cooling mechanism 13 is not large different from the external temperature, the heat conversion rate is reduced, because the transition of the water tank 30 is larger than the liquid cooling mechanism 13, the hot water is heated to move upwards, the hot water flows into the water tank 30 from the hot water inlet pipe 33, and the cold water inside the water tank 30 is extruded out, and the cycle is realized, the combined action of liquid cooling and water cooling is utilized.

When the air flows in, the cold air flows from the bottom of the through hole 53 to the top, the supporting mechanism 54 contacts with the internal electrical equipment, by reducing the supporting area and increasing the number of supporting points, while ensuring the support stability, the heat conduction is reduced, the internal electrical equipment is prevented from directly contacting the electric power cabinet, the liquid cooling mechanism 13 conveys hot water to the inside of the water tank 30, the heat is absorbed by the radiating fins 31, and finally, when the internal air flow is blown out, the air flow flows through the outer surface of the radiating fin 31, the heat is taken away, the stability and the timeliness of heat conversion are ensured, in addition, the sun-shading top 4 can collect external rainwater through the arc-shaped groove 21 and the water inlet groove 22 while increasing the heat dissipation effect, so that internal and external water circulation is further realized, the impeller 23 can convert external wind energy into electric energy, the heat dissipation effect and the speed inside and outside the equipment are met, and meanwhile, the consumption of other external energy sources can be reduced.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An energy-saving heat-dissipation high-low voltage power cabinet comprises a bottom plate (1); the method is characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a cabinet body (2), the front surface of the cabinet body (2) is movably connected with a front cover plate (3), the upper surface of the cabinet body (2) is fixedly connected with a sunshade top (4), the side surface of the cabinet body (2) is fixedly connected with an arc plate (10), the arc plate (10) is positioned outside the cabinet body (2), the top of the arc plate (10) is provided with a baffle plate (11), the outer surface of the baffle plate (11) is rotatably connected with the inner surface of the cabinet body (2), the upper surface of the baffle plate (11) is fixedly connected with a spoiler (12), the back of the spoiler (12) is provided with a liquid cooling mechanism (13), the outer surface of the liquid cooling mechanism (13) is fixedly connected with the outer surface of the cabinet body (2), the inner surface of the cabinet body (2) is fixedly connected with a support plate (14), and two sides of the support plate (14) are fixedly connected with partition plates (15), the outer surface of the partition board (15) is fixedly connected with the inner surface of the cabinet body (2).

2. The energy-saving heat-dissipation high-low voltage electric power cabinet according to claim 1, characterized in that: the utility model discloses a sunshade structure, including sunshade top (4), the fixed surface of sunshade top (4) is connected with photovoltaic board (20), the top of photovoltaic board (20) is provided with arc wall (21), the upper surface at sunshade top (4) is seted up in arc wall (21), intake antrum (22) have been seted up to the bottom of arc wall (21), the surface rotation of intake antrum (22) is connected with impeller (23), impeller (23) are located the top of sunshade top (4).

3. The energy-saving heat-dissipation high-low voltage electric power cabinet according to claim 1, characterized in that: the utility model discloses a solar energy water heater, including sunshade top (4), the inside fixedly connected with water tank (30) of sunshade top (4), the upper surface of water tank (30) rotates with the lower surface of impeller (23) to be connected, the outer fixed surface of water tank (30) is connected with fin (31), fixedly connected with heating wire (32) in the wall of fin (31), the both ends of heating wire (32) are provided with hot water inlet tube (33), the top of hot water inlet tube (33) and the outer fixed surface of water tank (30) are connected, the back fixedly connected with cold water outlet pipe (34) of water tank (30).

4. The energy-saving heat-dissipation high-low voltage electric power cabinet according to claim 1, characterized in that: liquid cooling mechanism (13) are including hanging down pipe (40), the top that hangs down pipe (40) is connected with cold water outlet pipe (34), the outer fixed surface who hangs down pipe (40) is connected with check valve (41), the positive fixedly connected with internal cooling pipe (42) of check valve (41), the outer cooling pipe (43) of bottom fixedly connected with of internal cooling pipe (42), the left end fixedly connected with back flow (44) of outer cooling pipe (43) and internal cooling pipe (42), back flow (44) are located the space between front shroud (3) and the cabinet body (2).

5. The energy-saving heat-dissipation high-low voltage electric power cabinet according to claim 1, characterized in that: open in the wall of baffle (15) and be equipped with cold and heat exchange room (50), cold and heat exchange room (50) are located the top of baffle (15), open in the wall of baffle (15) and be equipped with rectangular channel (51), rectangular channel (51) are located the bottom of cold and heat exchange room (50), the surface fixedly connected with swash plate (52) on baffle (15) right side, the side of cold and heat exchange room (50) is linked together with the surface of interior cooling tube (42), the upper surface of cold and heat exchange room (50) is linked together with the bottom of hot water inlet tube (33).

6. The energy-saving heat-dissipation high-low voltage electric power cabinet according to claim 1, characterized in that: set up through-hole (53) in the wall of backup pad (14), the last fixed surface of backup pad (14) is connected with supporting mechanism (54), supporting mechanism (54) are the linearity and arrange, supporting mechanism (54) include bent plate (55), the upper surface and the inside electrical unit of bent plate (55) contact, the lower surface of bent plate (55) rotates and is connected with bracing piece (57), the bottom of bracing piece (57) and the last fixed surface of backup pad (14) are connected, the outside fixedly connected with compression spring (56) of bracing piece (57), the top of compression spring (56) and the outer fixed surface of bent plate (55) are connected.