CN219420058U

CN219420058U - Low-voltage distribution box with strong heat dissipation performance

Info

Publication number: CN219420058U
Application number: CN202320530748.7U
Authority: CN
Inventors: 田军辉
Original assignee: Henan Taian Electric Power Engineering Co ltd
Current assignee: Henan Taian Electric Power Engineering Co ltd
Priority date: 2023-03-18
Filing date: 2023-03-18
Publication date: 2023-07-25
Anticipated expiration: 2033-03-18

Abstract

The utility model discloses a low-voltage distribution box with strong heat dissipation performance, and belongs to the technical field of low-voltage distribution boxes; the utility model provides a low-voltage distribution box that thermal diffusivity is strong, includes low-voltage distribution box shell, the front of low-voltage distribution box shell is provided with low-voltage distribution box door, be provided with the controller on the low-voltage distribution box door, the inside of low-voltage distribution box shell is provided with temperature sensor and radiator unit, radiator unit is including installing the water tank at low-voltage distribution box shell inboard, the inside of water tank is provided with the stirring leaf, the stirring leaf is connected with the work end of actuating source, actuating source fixed mounting is on the water tank; the utility model has the advantage of stronger heat dissipation performance.

Description

Low-voltage distribution box with strong heat dissipation performance

Technical Field

The utility model relates to the technical field of low-voltage distribution boxes, in particular to a low-voltage distribution box with strong heat dissipation performance.

Background

The low-voltage distribution box is mainly used in the engineering technical field of high-power electronic devices with high power consumption and large heating value, and has the functions of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination and strong seriality and practicability.

In the Chinese patent of the application number 202120574754.3, a low-voltage distribution box with strong heat dissipation is provided, and the inside of the low-voltage distribution box is cooled by virtue of a fan and a water tank, so that the problems that the existing low-voltage distribution box is poor in heat dissipation, the internal device of the low-voltage distribution box is burnt out when the low-voltage distribution box generates excessive heat and is not treated and the whole system is paralyzed are solved. However, this low-voltage distribution box also has the following drawbacks: the water tank itself (for example, steel material) has good thermal conductivity, but the thermal conductivity of water is generally high, but the thermal conductivity of water is inferior to that of the water tank, so that the efficiency of transferring heat on the water tank to the inside of cooling water can be affected, and the temperature of the surface of the water tank is reduced slowly, so that the heat dissipation performance of the water tank needs to be further improved.

Disclosure of Invention

The utility model aims to solve the problem of low heat conduction efficiency of cooling water in a low-voltage distribution box in the prior art, and provides the low-voltage distribution box with strong heat dissipation.

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

the utility model provides a low-voltage distribution box that thermal diffusivity is strong, includes low-voltage distribution box shell, the front of low-voltage distribution box shell is provided with low-voltage distribution box door, be provided with the controller on the low-voltage distribution box door, low-voltage distribution box shell's inside is provided with temperature sensor and radiator unit, radiator unit is including installing the inboard water tank at low-voltage distribution box shell, the inside of water tank is provided with the stirring leaf, the stirring leaf is connected with the work end of actuating source, actuating source fixed mounting is on the water tank.

Further, the heat radiation assembly further comprises a cold source system, the cold source system comprises an air pump, the air pump is located at the outer side of the low-voltage distribution box shell, an outlet end of the air pump is sequentially connected with an air inlet pipe, a first heat exchange pipe, a cold inlet pipe, a second heat exchange pipe and a heat exhaust pipe, the first heat exchange pipe is buried underground, the second heat exchange pipe is arranged in the water tank, and an outlet of the heat exhaust pipe is located at the outer side of the low-voltage distribution box shell.

Further, the second heat exchange tube is of a hollow spiral structure.

Further, the stirring blade is positioned on the inner side of the second heat exchange tube.

Further, the upper portion of the water tank is communicated with a water inlet pipe, and the bottom of the water tank is connected with a water outlet pipe.

Further, valves are arranged on the drain pipe and the water inlet pipe.

Further, fans are arranged on two sides of the low-voltage distribution box shell.

Compared with the prior art, the utility model provides the low-voltage distribution box with strong heat dissipation performance, which has the following beneficial effects:

according to the low-voltage distribution box with strong heat dissipation performance, when the temperature inside the shell of the low-voltage distribution box is too high, the temperature sensor sends a signal to the controller, the controller starts the driving source to drive the stirring blade to rotate, the cooling water inside the water tank is stirred, heat inside the shell of the low-voltage distribution box is transferred to the cooling water through the surface of the water tank, and the stirred cooling water enables the heat to be quickly transferred to the whole cooling water, so that the temperature of the surface of the water tank is quickly reduced, and the heat dissipation performance of the low-voltage distribution box is improved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows; and will be apparent to those skilled in the art in part based upon a review of the following; alternatively, the teachings may be directed to practice of the present utility model.

Drawings

FIG. 1 is a schematic view of the low voltage distribution box housing structure of the present utility model;

fig. 2 is a schematic view of the internal structure of the low-voltage distribution box shell of the utility model.

In the figure:

1. a low voltage distribution box housing; 2. a low voltage distribution box door; 3. a controller; 4. a temperature sensor; 5. a water tank; 6. a heat discharging pipe; 7. a drain pipe; 8. a first heat exchange tube; 9. an air inlet pipe; 10. an air pump; 11. a water inlet pipe; 12. a fan; 13. a second heat exchange tube; 14. a cooling pipe; 15. stirring the leaves; 16. a driving source.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, the low-voltage distribution box with strong heat dissipation performance comprises a low-voltage distribution box shell 1, wherein a low-voltage distribution box door 2 is hinged to the front face of the low-voltage distribution box shell 1, a controller 3 is fixedly arranged outside the low-voltage distribution box door 2, a temperature sensor 4 and a heat dissipation component are arranged inside the low-voltage distribution box shell 1, and the controller 3 is electrically connected with the temperature sensor 4 and the heat dissipation component;

the radiator unit is including installing at the inboard water tank 5 of low-voltage distribution box shell 1, the inside of water tank 5 is provided with stirring leaf 15, stirring leaf 15 is connected with the work end of actuating source 16, actuating source 16 optional low-speed motor, actuating source 16 fixed mounting is on water tank 5, when the inside high temperature of low-voltage distribution box shell 1, temperature sensor 4 sends the signal to controller 3, controller 3 starts actuating source 16 and drives stirring leaf 15 rotation, stir the cooling water in the water tank 5, can take away the heat on water tank 5 surface fast after the cooling water stirs, reach quick radiating effect.

The heat dissipation assembly further comprises a cold source system, the cold source system comprises an air pump 10, the air pump 10 is located on the outer side of the low-voltage distribution box shell 1, an air inlet pipe 9, a first heat exchange tube 8, a cold inlet tube 14, a second heat exchange tube 13 and a heat exhaust tube 6 are sequentially connected to the outlet end of the air pump 10, the first heat exchange tube 8 is buried underground, the second heat exchange tube 13 is installed in the water tank 5, the outlet of the heat exhaust tube 6 is located on the outer side of the low-voltage distribution box shell 1, particularly as shown in fig. 2, in summer, the high-temperature frequency heating period inside the low-voltage distribution box shell 1 is achieved, meanwhile, the temperature of underground soil is lower than the surface temperature, the air pump 10 sends air into underground to absorb underground cold, then the cold is brought into cooling water of the water tank 5 through the cold source system, the cooling water is cooled, the heat on the surface of the water tank 5 is better absorbed, and therefore the heat dissipation performance of the low-voltage distribution box is further improved.

The second heat exchange tube 13 has a hollow spiral structure, as shown in fig. 2, and the contact area between the second heat exchange tube 13 and the cooling water and the passing distance of the cold energy are increased, so that the heat transfer effect is ensured.

The stirring vane 15 is positioned at the inner side of the second heat exchange tube 13, and under the stirring action of the stirring vane 15, cold water near the second heat exchange tube 13 and hot water near the surface of the water tank 5 are enabled to flow in a rapid exchange mode, so that the heat dissipation performance of the low-voltage distribution box is further improved.

The upper portion intercommunication of water tank 5 has inlet tube 11, and the bottom of water tank 5 is connected with drain pipe 7, changes the cooling water in the water tank 5 through inlet tube 11 and drain pipe 7, is provided with the valve on drain pipe 7 and the inlet tube 11, and manual valve or electric valve are optional to the valve, regularly change the cooling water in the water tank 5.

The heat dissipation assembly further comprises fans 12 arranged on two sides of the low-voltage distribution box shell 1, the fans 12 are divided into an inlet fan and an exhaust fan, when the temperature inside the low-voltage distribution box shell 1 is too high in winter or in seasons with lower temperature, the controller 3 can be set according to a time period, and the controller 3 starts the fans 12 to enable cold air outside the low-voltage distribution box shell 1 to be introduced into the low-voltage distribution box shell 1 for heat dissipation and temperature reduction.

Working principle: when the low-voltage distribution box is used, cooling water is added into the water tank 5 through the water inlet pipe 11, when the temperature inside the low-voltage distribution box shell 1 is too high, the temperature sensor 4 transmits the temperature to the controller 3, the controller 3 starts the driving source 16 and the air pump 10, and an underground cold source is introduced into the low-voltage distribution box shell 1 to radiate heat and cool the inside of the low-voltage distribution box shell 1;

or the controller 3 starts the fan 12 to introduce the cold source outside the low-voltage distribution box shell 1 into the low-voltage distribution box shell 1, so as to radiate heat and cool the inside of the low-voltage distribution box shell 1, and the time period can be set for selection.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. The utility model provides a low-voltage distribution box that thermal diffusivity is strong, includes low-voltage distribution box shell (1), the front of low-voltage distribution box shell (1) is provided with low-voltage distribution box door (2), be provided with controller (3) on low-voltage distribution box door (2), the inside of low-voltage distribution box shell (1) is provided with temperature sensor (4) and radiator unit, a serial communication port, radiator unit is including installing water tank (5) inboard at low-voltage distribution box shell (1), the inside of water tank (5) is provided with stirring leaf (15), stirring leaf (15) are connected with the work end of actuating source (16), actuating source (16) fixed mounting is on water tank (5).

2. The low-voltage distribution box with strong heat dissipation performance according to claim 1, wherein the heat dissipation assembly further comprises a cold source system, the cold source system comprises an air pump (10), the air pump (10) is located at the outer side of the low-voltage distribution box shell (1), an outlet end of the air pump (10) is sequentially connected with an air inlet pipe (9), a first heat exchange pipe (8), a cold inlet pipe (14), a second heat exchange pipe (13) and a heat removal pipe (6), the first heat exchange pipe (8) is buried underground, the second heat exchange pipe (13) is installed inside the water tank (5), and an outlet of the heat removal pipe (6) is located at the outer side of the low-voltage distribution box shell (1).

3. A low-voltage distribution box with strong heat dissipation according to claim 2, characterized in that said second heat exchange tube (13) is of hollow spiral structure.

4. A low-voltage distribution box with strong heat dissipation according to claim 3, characterized in that said stirring blade (15) is located inside the second heat exchange tube (13).

5. The low-voltage distribution box with strong heat dissipation performance according to claim 1, wherein the upper part of the water tank (5) is communicated with a water inlet pipe (11), and the bottom of the water tank (5) is connected with a water outlet pipe (7).

6. The high-heat-dissipation low-voltage distribution box according to claim 5, wherein valves are arranged on the water drain pipe (7) and the water inlet pipe (11).

7. The low-voltage distribution box with strong heat dissipation performance according to claim 1, wherein fans (12) are arranged on two sides of the low-voltage distribution box shell (1).