CN213602265U

CN213602265U - Heat radiator for switch board

Info

Publication number: CN213602265U
Application number: CN202021771233.9U
Authority: CN
Inventors: 张健洪
Original assignee: Guizhou Yixing Electric Co ltd
Current assignee: Guizhou Yixing Electric Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-07-02
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a heat dissipation device of a power distribution cabinet, which belongs to the field of power distribution cabinets and comprises a shell, a rectangular door and a partition plate, wherein a hinge is connected between the shell and the rectangular door, a handle is fixedly connected on the rectangular door, water storage boxes are fixedly connected on the inner walls of two sides of the shell, grooves are drilled at the openings of the water storage boxes, filter screens are clamped in the grooves, dehumidifying devices are clamped in the grooves and are positioned above the filter screens, each dehumidifying device consists of water locking paper and a silk screen demister, the water locking paper is positioned above the water locking paper, through holes are drilled at the bottom ends of the water storage boxes, water guide pipes are fixedly connected on the through holes, the lower ends of the water guide pipes are fixedly connected with the partition plate, a micro water pump is placed at the bottom end of the shell, water pipes are fixedly connected on the micro water pump, spray heads are fixedly connected on the water pipes, circular water outlets are drilled, various electrical components in the power distribution cabinet can run more stably.

Description

Heat radiator for switch board

Technical Field

The utility model relates to a switch board field, more specifically say, relate to a heat abstractor of switch board.

Background

The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.

The factors causing adverse effects and even faults to the power distribution cabinet are many, the heat dissipation problem is just one of the common factors, the heat dissipation problem in the power distribution cabinet can cause damage to various electrical components in the cabinet, the normal operation of the power distribution cabinet is influenced, and therefore the influence is caused to the daily life of people.

SUMMERY OF THE UTILITY MODEL

1. The technical problem that solves is to the problem that exists among the prior art, the utility model aims to provide a heat abstractor of switch board, it can realize good radiating purpose in the switch board, makes the more stable operation of various electrical components in the switch board.

2. Technical scheme is for solving above-mentioned problem, the utility model discloses a following technical scheme.

A heat dissipation device of a power distribution cabinet comprises a shell, a rectangular door and a partition plate, wherein a hinge is connected between the shell and the rectangular door, a handle is fixedly connected to the rectangular door, water storage boxes are fixedly connected to the inner walls of two sides of the shell, grooves are formed in the openings of the water storage boxes, filter screens are connected in the grooves in a clamped mode, a dehumidification device is connected in the grooves in a clamped mode and located above the filter screens, the dehumidification device is composed of water locking paper and a screen demister, the water locking paper is located above the water locking paper, through holes are formed in the bottom ends of the water storage boxes in a chiseled mode, water guide pipes are fixedly connected to the through holes, the lower ends of the water guide pipes are fixedly connected with the partition plate, a micro water pump is placed at the bottom end of the shell, water pipes are fixedly connected to the micro water pump, spray heads are fixedly connected to the water pipes, circular water outlets are formed, fixedly connected with heating panel between shell and the switch board, the one end fixedly connected with temperature sensor who presses close to the switch board on the heating panel, it can realize good radiating purpose in the switch board, makes the more stable operation of various electrical components in the switch board.

Furthermore, the radian of the bottom end of the water storage box is 0.2-0.5rad, so that water in the water storage box can be more fully guided into the space below the partition plate through the water guide pipe.

Furthermore, the water outlets of the spray heads are positioned at different heights, so that the water can be sprayed to a wider area.

Furthermore, the radiating plate is fixedly connected with radiating fins, the bottom ends of the radiating fins are attached to the partition plate, the distance between the partition plate and the bottom end of the shell is 20-30cm, an area with high heat transfer is fixed in a space above the partition plate, and the influence of a water storage area below the partition plate on the temperature sensor is reduced.

Furthermore, the surface of the heat dissipation plate is uneven, and when water is sprayed on the surface of the heat dissipation plate, the water cannot slide off quickly.

Furthermore, the edge of the rectangular door is fixedly connected with a sealing strip, so that the sealing performance inside the shell is ensured.

3. Beneficial effect compares in prior art, the utility model has the advantages of: (1) this scheme can realize good radiating purpose in the switch board, makes the more stable operation of various electrical components in the switch board.

(2) The radian of the bottom end of the water storage box is 0.2-0.5rad, so that water in the water storage box can be more fully guided into the space below the partition plate through the water guide pipe.

(3) The water outlets of the spray heads are positioned at different heights, so that the area sprayed by water can be wider.

(4) The radiating plate is fixedly connected with radiating fins, the bottom ends of the radiating fins are attached to the partition plate, and the distance between the partition plate and the bottom end of the shell is 20-30cm, so that an area with high heat transfer speed is fixed in a space above the partition plate, and the influence of a water storage area below the partition plate on the temperature sensor is reduced.

(5) The surface of the heat dissipation plate is uneven, and when water flow is sprayed to the surface of the heat dissipation plate, the water flow cannot rapidly slide off.

(6) The edge of the rectangular door is fixedly connected with a sealing strip, so that the sealing property inside the shell is ensured.

Drawings

Fig. 1 is a schematic structural view of the heat dissipation device of the present invention;

FIG. 2 is an enlarged view of structure A of the present invention;

FIG. 3 is an exploded view of the water storage box and the dehumidifying apparatus of the present invention;

fig. 4 is a perspective view of the heat dissipating plate of the present invention;

fig. 5 is a perspective view of the present invention.

The reference numbers in the figures illustrate: the device comprises a shell 1, a rectangular door 2, a hinge 3, a handle 4, a water storage box 5, a filter screen 501, a dehumidifying device 6, water locking paper 601, a silk screen demister 602, a water guide pipe 7, a small axial flow fan 8, a spray head 9, a partition plate 10, a miniature water pump 11, a heat dissipation plate 12, a power distribution cabinet 13 and a temperature sensor 14.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: referring to fig. 1-3, a heat dissipation device for a power distribution cabinet comprises a housing 1, a rectangular door 2 and a partition 10, wherein a hinge 3 is connected between the housing 1 and the rectangular door 2, a handle 4 is fixedly connected to the rectangular door 2, a slot is drilled at the top end of the housing 1, the rectangular door 2 is clamped in the slot, water storage boxes 5 are fixedly connected to the inner walls of the two sides of the housing 1, the housing 1 should be made of a material with good heat insulation with the outside, a groove is drilled at the opening of each water storage box 5, a filter screen 501 is clamped in the groove, a dehumidification device 6 is clamped in the groove, the dehumidification device 6 is positioned above the filter screen 501 and consists of water locking paper 601 and a screen demister 602, the water locking paper 601 is positioned above the water locking paper 601, a through hole is drilled at the bottom end of the water storage box 5, a water conduit 7 is fixedly connected to the through hole, the partition 10 is fixedly connected to the lower end of the water conduit, and two upper and lower spaces are kept apart completely, miniature pump 11 has been placed to 1 bottom of shell, choose miniature pump 11 of suitable model for use by technical personnel in the field to install, for example, the model is KHS's miniature pump, fixedly connected with water pipe on the miniature pump 11, fixedly connected with shower nozzle 9 on the water pipe, the chisel has circular delivery port on the shower nozzle 9, two small-size axial fan 8 of fixedly connected with on the 1 inner wall of shell, choose the small-size axial fan of suitable model for use by technical personnel in the field to install, for example, the model is 125FZY22D 150A's small-size axial fan.

Please refer to fig. 4-5, fixedly connected with heating panel 12 between shell 1 and the switch board 13, the one end fixedly connected with temperature sensor 14 of switch board 13 is pressed close to on the heating panel 12, when the temperature in the switch board reaches the set temperature value of temperature sensor 14, temperature sensor 14 is triggered promptly, the setting of temperature value is accomplished by the staff, micro water pump 11, small-size axial fan 8 and temperature sensor 14 all with external power source electric connection, can realize good radiating purpose in the switch board, make the more stable operation of various electrical components in the switch board.

When the power distribution cabinet 13 starts to work, and the temperature in the power distribution cabinet 13 rises to a certain value due to the heat emitted by various electronic components, the temperature sensor 14 fixed on the heat dissipation plate 12 is triggered, at the moment, the heat dissipation device starts to work, the micro water pump 11 starts to extract a water source in a space below the partition plate 10, the water source is conveyed to the spray head 9 through a water pipe and then is sprayed onto the heat dissipation plate 12 from a circular water outlet, the axial flow fan 8 generates wind power to blow and dry the water on the heat dissipation plate 12, the heat absorption process is a heat absorption process, the blown and dried water is converted into a gas state to be mixed in the air, the gas state is absorbed by the dehumidifying device 6 to form liquid water, the liquid water flows back to a water storage area below the partition plate 10, a circulation is formed, in the process, the heat dissipation plate 12 transfers the heat in the power distribution cabinet 13 to the heat dissipation device, the heat sink stops working.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a heat abstractor of switch board, includes shell (1), rectangle door (2) and baffle (10), its characterized in that: the improved water storage device is characterized in that a hinge (3) is connected between the shell (1) and the rectangular door (2), a handle (4) is fixedly connected onto the rectangular door (2), a clamping groove is formed in the top end of the shell (1), the rectangular door (2) is connected into the clamping groove in a clamped mode, a water storage box (5) is fixedly connected onto the inner walls of the two sides of the shell (1), a groove is formed in the opening of the water storage box (5), a filter screen (501) is connected into the groove in a clamped mode, a dehumidifying device (6) is connected into the groove in a clamped mode, the dehumidifying device (6) is located above the filter screen (501), the dehumidifying device (6) is composed of water locking paper (601) and a silk screen demister (602), the water locking paper (601) is located above the water locking paper (601), a through hole is formed in the bottom end of the water storage box (5), a water guide pipe (7) is fixedly connected onto the through hole, and a, miniature pump (11) have been placed to shell (1) bottom, fixedly connected with water pipe on miniature pump (11), fixedly connected with shower nozzle (9) on the water pipe, shower nozzle (9) upper end is dug there is circular delivery port, two small-size axial fan (8) of fixedly connected with on shell (1) inner wall, fixedly connected with heating panel (12) between shell (1) and switch board (13), press close to one end fixedly connected with temperature sensor (14) of switch board (13) on heating panel (12).

2. The heat dissipation device of a power distribution cabinet according to claim 1, wherein: the radian of the bottom end of the water storage box (5) is 0.2-0.5 rad.

3. The heat dissipation device of a power distribution cabinet according to claim 1, wherein: the water outlets of the spray heads (9) are positioned at different heights.

4. The heat dissipation device of a power distribution cabinet according to claim 1, wherein: the heat dissipation plate (12) is fixedly connected with heat dissipation fins, the bottom ends of the heat dissipation fins are attached to the partition plate (10), and the distance between the partition plate (10) and the bottom end of the shell (1) is 20-30 cm.

5. The heat dissipation device of a power distribution cabinet according to claim 1, wherein: the surface of the heat dissipation plate (12) is uneven.

6. The heat dissipation device of a power distribution cabinet according to claim 1, wherein: the edge of the rectangular door (2) is fixedly connected with a sealing strip.