CN218353001U

CN218353001U - Electrical apparatus box and air conditioning unit

Info

Publication number: CN218353001U
Application number: CN202222552353.5U
Authority: CN
Inventors: 魏欣; 何哲; 张晓琛; 李秀元
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-01-20
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses an electrical apparatus box and air conditioning unit, wherein, electrical apparatus box includes casing and radiating fin, and radiating fin installs the surface at the casing, and radiating fin has the cavity through-hole. The utility model discloses an electrical apparatus box and air conditioning unit have solved electrical apparatus box effectively and have the untimely problem that leads to components and parts to damage or life-span to reduce of heat dissipation.

Description

Electrical apparatus box and air conditioning unit

Technical Field

The utility model relates to a refrigeration technology field particularly, relates to an electrical apparatus box and air conditioning unit.

Background

With the development of economy and the improvement of the living standard of people, people pursue safe and convenient living space and pay more attention to energy conservation and emission reduction of daily life. Energy conservation and emission reduction refer to reduction of energy waste and reduction of exhaust emission.

No matter in city or country, people's life is closely related with the electric component, and air conditioner, electrical apparatus box use extensively, especially get into summer ambient temperature rise, and components and parts self generate heat, and electrical apparatus box temperature can keep at higher level, not only influences the life of electrical part, more probably because the high incident that causes of temperature. In order to prolong the service life of electronic components, the heat dissipation of the electrical box is particularly important. In general, heat dissipation holes are drilled in the left and right sides of the electrical box or heat dissipation fans are installed to solve the above problems. But louvre and radiator fan can make the electrical apparatus box no longer sealed, and dust, worm etc. that get into through louvre and radiator fan can be attached to above the components and parts, lead to the components and parts short circuit in the electrical apparatus box, cause the damage of electrical apparatus box even.

In view of this, it is necessary to improve a heat dissipation method of an electrical box in the prior art, which not only can efficiently dissipate heat to ensure the service life and electrical safety of electronic components, but also can well save resources and protect the environment, and realize energy conservation, emission reduction and sustainable development.

In summary, the electrical box in the prior art has the problem that components are damaged or the service life of the components is reduced due to untimely heat dissipation.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an in provide an electrical apparatus box and air conditioning unit to there is the untimely problem that leads to components and parts to damage or life-span to the electrical apparatus box who solves among the prior art.

In order to achieve the above object, the utility model provides an electrical box, including casing and radiating fin, radiating fin installs the surface at the casing, and radiating fin has the cavity through-hole.

Further, the radiating fins are U-shaped plates, hollow through holes are formed by the U-shaped plates in a surrounding mode, and notches of the U-shaped plates are connected to the outer surface of the shell.

Further, the inner surface of the hollow through hole is paved with heat conduction materials.

Furthermore, the shell comprises a shell plate, and the radiating fins are connected to the shell plate; the electrical box comprises components arranged inside the shell, and the components are correspondingly arranged at the position of the shell plate.

Further, the electrical box includes: the mounting plate is arranged inside the shell, and the component is fixed on a first side face of the mounting plate; the second side of the mounting plate is connected to the shell plate, and a heat conducting layer is arranged between the second side of the mounting plate and the shell plate.

Further, the mounting plate has a thermally conductive layer on the first side.

Further, the heat conductive layer is formed of silicon wax.

Furthermore, the number of the radiating fins is multiple, the radiating fins are arranged at intervals, and an installation space is formed between every two adjacent radiating fins; the electrical box further comprises a heat pipe, and the heat pipe is detachably arranged in the installation space.

Furthermore, the electrical box also comprises a mounting bracket which is fixedly connected to the shell; the heat pipe is detachably connected to the mounting bracket.

According to another aspect of the present invention, an air conditioning unit is provided, which includes the above-mentioned electrical box.

The utility model discloses a radiating fin on the electrical apparatus box has the cavity through-hole, and the cavity through-hole is big with the air contact face, makes radiating fin's heat transfer area increase, has improved heat exchange efficiency, if the air flows, can take away more heats. Compare in prior art ordinary electrical apparatus box, the utility model discloses an electrical apparatus box radiating effect is timely, can reduce the temperature of the inside components and parts of electrical apparatus box effectively, prevents that components and parts from damaging or life-span shortens. Moreover, the utility model discloses an no matter the electrical apparatus box is seal structure or open heat radiation structure, can both use and satisfy the heat dissipation needs.

Drawings

Fig. 1 is a schematic structural perspective view of an electrical box according to an embodiment of the present invention;

fig. 2 is a schematic view of a part of the structure of the electrical box according to the embodiment of the present invention;

fig. 3 is a schematic structural matching diagram of a mounting bracket and a housing of an electrical box according to an embodiment of the present invention;

fig. 4 is an internal structure diagram of the electrical box according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the invention.

Referring to fig. 1 to 4, according to an embodiment of the present invention, there is provided an electrical box including a case 10 and a heat dissipating fin 20, the heat dissipating fin 20 being installed on an outer surface of the case 10, the heat dissipating fin 20 having a hollow through hole 21.

As shown in fig. 2, the heat dissipating fins 20 are preferably U-shaped plates, which surround a hollow through hole 21, and the notches of the U-shaped plates are attached to the outer surface of the housing 10. The U-shaped plate can form a hollow through hole with the largest sectional area under the limited size, and not only can the U-shaped plate achieve the effect of the radiating fin, but also can achieve the best heat exchange efficiency under the limited size. And the U-shaped plate has simple industrial manufacture, low cost and good application prospect. As for the material of the U-shaped plate, the same material as the electric box can be selected and is integrally formed with the housing of the electric box.

In order to further improve the heat dissipation effect, the heat conduction material is laid on the inner surface of the hollow through hole, can be selected according to actual needs, and can be laid or sprayed.

Referring to fig. 4, the case 10 includes a case plate 11, and heat radiating fins 20 are attached to the case plate 11. The electrical box comprises components arranged inside the shell 10, and the components are correspondingly arranged at the position of the shell plate 11. The position of the component is arranged at the nearest position of the discrete heat fin, so that heat can be conducted to the heat dissipation fin at the first time, heat dissipation is carried out in time, and overhigh temperature is prevented.

The electrical box comprises a mounting plate 30, the mounting plate 30 is arranged inside the shell 10, and the components are fixed on a first side surface of the mounting plate 30; the second side of the mounting plate 30 is attached to the housing plate 11 with a thermally conductive layer between the second side of the mounting plate 30 and the housing plate 11. After the mounting plate 30 absorbs the heat of the component, the heat is transmitted to the shell plate 11 through the heat conduction layer, the shell plate 11 transmits the heat to the heat dissipation fins 20, the shell plate 11 and the heat dissipation fins 20 dissipate heat simultaneously, and the heat conduction speed is further accelerated by arranging the heat conduction layer between the second side surface of the mounting plate 30 and the shell plate 11. Moreover, a double-layer structure is formed between the mounting plate and the shell plate, the components and parts can be cooled without opening holes or using fans, and the electrical box is effectively dustproof, winged insect-proof and moistureproof.

Preferably, the mounting plate 30 has a thermally conductive layer on a first side thereof. The heat conductive layer is formed of silicone wax. Because the thermal conductivity of silicon wax and the thermal conductivity of metal, the components and parts generate heat and are transmitted to the mounting plate by the silicon wax, the heat in the electric appliance box is transmitted to the shell plate through the silicon wax for the first time, and then is transmitted to the radiating fins with the hollow through holes. The radiating fins exchange heat with the environment to reduce the temperature in the electrical appliance box and reduce the temperature of components.

Referring to fig. 1 and 2, the number of the heat dissipating fins 20 is plural, the plural heat dissipating fins 20 are arranged at intervals, and an installation space is provided between two adjacent heat dissipating fins 20. The electrical box further includes a heat pipe 40, and the heat pipe 40 is detachably disposed in the installation space. On the basis of the design of the electric appliance box, the mature heat pipe technology is utilized to assist in cooling. According to the heat dissipation principle of the heat pipe, the electrical box can be selectively placed in an ideal area designed by the unit, condensation is prevented, and efficient cooling is achieved. The condensing section of the heat pipe is directly arranged at the condensing end of the air conditioner, and the negative pressure generated by the fan enables the low-temperature air to flow at a high speed, so that the heat of the evaporation section at the bottom of the heat pipe is continuously transferred to the condensing section for heat exchange, and the heat exchange effect is optimal. The heat pipe is used for heat conduction, so that condensation of the electric appliance box at the cold end is avoided, and the space structure of the air conditioner is effectively utilized to ensure that the gravity heat pipe has sufficient heat exchange.

The heat pipe of this embodiment uses the gravity heat pipe structure among the prior art, can be according to service environment temperature, heating element, electrical apparatus box temperature and required heat dissipation capacity, calculates the installation one or more gravity heat pipes, reaches the height and matches. The gravity heat pipe does not need a wick, is simple to manufacture and low in cost, reduces thermal resistances R3 and R7 generated by the wick and has good heat transfer performance. The working liquid of the heat pipe has higher latent heat of vaporization, heat conductivity coefficient, proper saturated pressure and boiling point, lower viscosity and good stability, so that the heat pipe has high-efficiency heat exchange performance and uses the gravity heat pipe for heat exchange. The structural principle and the use of heat pipe all are prior art, the utility model discloses no longer give unnecessary details.

As shown in fig. 2 and 3, the electrical box further includes a mounting bracket 50, and the mounting bracket 50 is fixedly connected to the housing 10; the heat pipe 40 is detachably attached to the mounting bracket 50. The mounting bracket 50 can select the structure of two connecting pieces fixed by the bolt shown in the figure, and can also select other detachable structures with the tubular structure, without specific limitation.

The installation quantity of the heat pipes can be selected according to the structure, the size and the position of the air conditioner and the heat dissipation capacity required, and the heat pipes with different sizes and lengths can be customized according to the requirement of the air conditioner. The mounting bracket 50 can be freely detached from and mounted on the heat pipe 40, so that the maintenance is more convenient. The electrical box can be specially used for a special air conditioner, independent power supply is not needed, the structure is highly matched, and the electrical box is suitable for various special environments such as ships, fields and the like.

The utility model discloses an electrical apparatus box can satisfy different operating modes, the different demand use that generates heat components and parts through the quantity of adjusting the fin interval and using the heat pipe. The heat pipe is arranged between the radiating fins, so that the heat of the electric appliance box with high heat exchange efficiency and low ambient temperature is conducted to the tail part at the first time, and the condensation probability is low. Even if condensation is generated, the condensation can be condensed on fins or heat pipes and drip along the pipe wall, so that the drying, low temperature and safety are maintained. The utility model discloses remain sealed complete electrical apparatus box, distinguished with traditional fan and trompil electrical apparatus box and come, and heat pipe long service life, pipe diameter type, working solution are of a great variety, can customize the heat pipe of unidimensional, different length according to the needs of air conditioner.

The utility model also provides an embodiment of air conditioning unit, including the electrical apparatus box of above-mentioned embodiment.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

Of course, the above is a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, without departing from the basic principle of the present invention, several modifications and decorations can be made, and these modifications and decorations are also regarded as the protection scope of the present invention.

Claims

1. An electrical box, characterized by comprising a housing (10) and heat radiating fins (20), wherein the heat radiating fins (20) are mounted on the outer surface of the housing (10), and the heat radiating fins (20) are provided with hollow through holes (21).

2. The appliance cartridge of claim 1,

the radiating fins (20) are U-shaped plates, the U-shaped plates surround the hollow through hole (21), and notches of the U-shaped plates are connected to the outer surface of the shell (10).

3. Appliance box according to claim 1 or 2, characterised in that the inner surface of the hollow through hole (21) is coated with a heat-conducting material.

4. The appliance cartridge of claim 1,

the shell (10) comprises a shell plate (11), and the radiating fins (20) are connected to the shell plate (11);

the electrical box comprises components arranged inside the shell (10), and the components are correspondingly arranged at the position of the shell plate (11).

5. The appliance cartridge of claim 4, wherein the appliance cartridge comprises:

the mounting plate (30), the said mounting plate (30) is set up in the said body (10), the said components and parts are fixed on the first side of the said mounting plate (30);

the second side of the mounting plate (30) is connected to the shell plate (11), with a heat conducting layer between the second side of the mounting plate (30) and the shell plate (11).

6. The electrical box according to claim 5, characterized in that the mounting plate (30) has a heat conductive layer on the first side.

7. The electrical enclosure of claim 5 or 6, wherein the thermally conductive layer is formed from silicone wax.

8. The electrical box according to claim 1, wherein the number of the heat dissipation fins (20) is plural, a plurality of the heat dissipation fins (20) are arranged at intervals, and an installation space is provided between two adjacent heat dissipation fins (20);

the electrical box further comprises a heat pipe (40), and the heat pipe (40) is detachably arranged in the installation space.

9. The appliance cartridge according to claim 8, further comprising a mounting bracket (50), the mounting bracket (50) being fixedly connected to the housing (10);

the heat pipe (40) is detachably connected to the mounting bracket (50).

10. Air conditioning assembly, characterized in that it comprises an electrical box according to any one of claims 1 to 9.