CN216953296U - Outdoor machine of air conditioner - Google Patents

Abstract

The present invention provides an outdoor unit of an air conditioner, comprising: a housing defining an accommodating chamber; the electric box is arranged in the accommodating cavity; the electronic box includes: the PCB is provided with a heating element, the heat dissipation plate is fixed on one side of the heating element, which is far away from the PCB, and a plurality of heat dissipation fins are arranged on one side of the heat dissipation plate, which is far away from the heating element; a heat dissipation pipe fixed to the heat dissipation plate; one end of the radiating pipe is connected with a throttling device of the air conditioner outdoor unit, and the other end of the radiating pipe is communicated with a low-pressure air pipe of the air conditioner outdoor unit. The utility model provides an air condensing units utilizes the refrigerant to absorb the heat that the denso box released, and the heating element of electricity dress box is controlled at reasonable temperature range, can avoid its high temperature ageing, and then improves the reliability in utilization, improves air condensing units's operational reliability.

Description

Outdoor machine of air conditioner

Technical Field

The utility model belongs to the technical field of air conditioner outdoor units, and particularly relates to an air conditioner outdoor unit.

Background

With the popularization of air conditioners, the upper limit of the use temperature requirement of the air conditioner is higher and higher. In the case of cooling in a high temperature environment, the outdoor unit of the air conditioner is exposed to an outdoor high temperature environment. And in the working process, the outdoor unit of the air conditioner exchanges heat with the outside air to release heat. However, at a higher ambient temperature, the air temperature after heat exchange by the heat exchanger is higher, and heat generated in the operation process of the electrical components in the electronic control box in the air conditioner outdoor unit is more difficult to dissipate, so that the electrical components in the electronic control box are always in a high-temperature state and are aged and damaged, and the use reliability of the air conditioner outdoor unit is reduced.

The utility model is provided in view of the above.

SUMMERY OF THE UTILITY MODEL

The present invention provides an outdoor unit of an air conditioner, which aims at the technical problems.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an outdoor unit of an air conditioner, comprising:

a housing defining an accommodating chamber;

the electric box is arranged in the accommodating cavity; the electronic box includes:

a PCB board, on which a heating element is arranged,

the heat dissipation plate is fixed on one side of the heating element, which is far away from the PCB, and a plurality of heat dissipation fins are arranged on one side of the heat dissipation plate, which is far away from the heating element;

a heat dissipation pipe fixed to the heat dissipation plate; one end of the radiating pipe is connected with a throttling device of the air-conditioning outdoor unit, and the other end of the radiating pipe is communicated with a low-pressure air pipe of the air-conditioning outdoor unit.

The utility model provides an air condensing units utilizes the refrigerant to absorb the heat that the denso box released, and the heating element of electricity dress box is controlled at reasonable temperature range, can avoid its high temperature ageing, and then improves the reliability in utilization, improves air condensing units's operational reliability.

In some embodiments of the present application, the radiating fins include first radiating fins, and a plurality of the first radiating fins are distributed on opposite sides of the radiating pipe.

In some embodiments of the present application, a plurality of the first heat dissipation fins are spaced apart from each other and arranged along a central axis of the heat dissipation pipe.

In some embodiments of the present application, the heat dissipating plate has a groove therein, and the heat dissipating pipe is installed in the groove.

In some embodiments of the present application, the pipe section in which the radiating pipe is installed in the groove corresponds to the cross section of the groove.

In some embodiments of the present application, two grooves are disposed on the heat dissipation plate; the radiating fins further comprise second radiating fins, and the second radiating fins are arranged between the two grooves on one side, far away from the heating element, of the radiating plate.

In some embodiments of the present application, the second heat dissipation fins are arranged at intervals from a side close to one of the grooves to a direction close to the other of the grooves.

In some embodiments of the present application, a component support is fixed on the PCB, and the heat generating component is mounted on the component support.

In some embodiments of the present application, the PCB, the component holder, the heat generating component, and the heat dissipating plate are connected by a first fixing member.

In some embodiments of the present application, two grooves are formed on the heat dissipation plate; the radiating pipe comprises a first pipe section, a second pipe section and a third pipe section which are sequentially connected; wherein the first tube section and the third tube section are located on the same side of the second tube section; the first pipe section is arranged in one groove; the third pipe section is arranged in the other groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic partial structural view of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic view of an electrical box structure of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 3 is a sectional view of an electric box of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 4 is a schematic diagram illustrating internal components of an electrical box of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating an electrical component box of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 6 is a central line sectional view of a radiator of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating a heat dissipating plate and a heat dissipating pipe of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 8 is a schematic structural view of another view angle of the heat dissipating plate of the outdoor unit of the air conditioner according to the embodiment of the present invention.

In the above figures: a fan 10; a compressor 11; a separator 12; a vent 121; a first chamber 13; a second chamber 14; electrical packaging box 2; a radiating pipe 3; a first heat sink 4; a second heat sink 5; a groove 6; a heat dissipation plate 7; a heat sink 9; a box body 21; a box cover 22; the accommodation chamber 23; a first tube section 31; a second tube segment 32; a third tube section 33; a notch 70; a PCB board 71; a heating element 72; an element holder 73; the first fixing member 81.

Detailed Description

The utility model is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the present application, the compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The air conditioner includes an indoor air conditioner and an outdoor air conditioner, the outdoor air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor or outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater for a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler for a cooling mode.

Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the outdoor unit of the air conditioner includes a casing defining a receiving chamber for enclosing a body of the outdoor unit of the air conditioner and protecting internal devices thereof; the housing includes a front panel (not shown) having an air outlet. A partition plate 12 is arranged in the accommodating cavity, and the accommodating cavity is divided into a first cavity 13 and a second cavity 14 by the partition plate 12; wherein, first chamber 13 is linked together with the air outlet that sets up on the front panel, and installs fan 10 in the first chamber 13, installs compressor 11 and electrical box 2 in the second chamber 14.

As shown in fig. 2-8, the electrical box 2 includes a box body 21, a box cover 22, a PCB 71, a heat dissipation plate 7 and a heat dissipation pipe 3; the cover 22 cooperates with the body 21 to define a receiving cavity 23. Wherein, a PCB 71 is fixed on the box cover 22, and a heating element 72 is arranged on the PCB 71; the heat dissipation plate 7 is fixed on one side of the heating element 72 away from the PCB 71; the radiating pipe 3 is arranged on the radiating plate 7; one end of the radiating pipe 3 is connected with a throttling device of the air conditioner outdoor unit, and the other end of the radiating pipe is communicated with a low-pressure air pipe of the air conditioner outdoor unit; the refrigerant absorbs heat when flowing through the heat dissipation pipe 3, and absorbs heat released by the electric fitting box 2, so as to realize heat dissipation of the electric fitting box 2. In this embodiment, the heat dissipating plate 7 is tightly attached to the heating element 72, and the heat dissipating tube 3 is tightly attached to the heat dissipating plate 7, thereby effectively improving the heat dissipating efficiency.

In addition, in the present embodiment, the heat dissipation plate 7 and the heat dissipation pipe 3 are connected to form the heat sink 9 integrally by pressing; the radiator 9 composed of the radiating plate 7 and the radiating pipe 3 is used as an assembly and is directly used for installation and use, installation is convenient, and assembly efficiency of an installer is improved.

In this embodiment, the heat dissipating plate 7 has a groove 6 for mounting the heat dissipating tube 3, and the cross section of the groove 6 is arcuate, and the arcuate arc is a major arc. It can be arranged that the section of the radiating pipe 3 located in the groove 6 is consistent with the cross section of the groove 6. The contact area of the radiating plate 7 and the radiating pipe 3 is increased by the arrangement, and the radiating efficiency is improved. When the radiator 9 is manufactured, the formed radiating pipe 3 is arranged in the groove 6 of the radiating plate 7, and then the radiating pipe 3 is fixedly connected with the radiating plate 7 in a stamping mode to form a radiator 9 assembly.

In this embodiment, the open end of the groove 6 is located on the side of the heat dissipation plate 7 away from the heating element 72; the radiating pipe 3 is located at a side of the radiating plate 7 remote from the heating element 72. The heat generated by the heat generating element 72 is transferred to the heat dissipating plate 7, the heat dissipating plate 7 transfers the heat to the heat dissipating tube 3, and the refrigerant in the heat dissipating tube 3 absorbs the heat to dissipate the heat of the heat dissipating plate 7.

In this embodiment, the heat dissipation plate 7 is provided with a plurality of heat dissipation fins including the first heat dissipation fin 4 and the second heat dissipation fin 5 on the side away from the heating element 72. The first radiating fins 4 are disposed at opposite sides of the groove 6 of the radiating plate 7, the cutting grooves 70 penetrating the radiating plate 7 are disposed between the adjacent first radiating fins 4, and the plurality of cutting grooves 70 are spaced apart from each other and arranged along the central axis of the radiating pipe 3, i.e., along the extending direction of the groove 6. Meanwhile, the adjacent first radiating fins 4 are arranged at intervals and arranged along the extending direction of the groove 6, so that the radiating area of the radiating plate 7 can be effectively increased, and the radiating efficiency is improved. It may be provided that the first heat sink 4 is not in contact with the heat generating element 72, that is, the portion of the heat sink 7 in contact with the heat generating element 72 is a solid structure, so as to improve the heat dissipation efficiency of the heat generating element 72 to the heat sink 7.

The second radiating fins 5 are arranged between the two grooves 6 on the side, far away from the heating element 72, of the radiating plate 7, the adjacent second radiating fins 5 are arranged at intervals, and the plurality of second radiating fins 5 are arranged at intervals from one side close to one groove 6 to the direction close to the other groove 6, so that the radiating area of the radiating plate 7 can be effectively increased, and the radiating efficiency is improved. It may be provided that the second heat sink 5 is not in contact with the heat generating element 72, that is, the portion of the heat sink 7 in contact with the heat generating element 72 is a solid structure, so as to improve the heat dissipation efficiency of the heat generating element 72 to the heat sink 7.

In one embodiment, a component holder 73 is fixed to the PCB 71, and the heating component 72 is mounted on the component holder 73. What can set up, component support 73 sets up to fretwork form, makes component support 73 can effectively support heating element 72 on the one hand, and on the other hand does benefit to the heat dissipation, avoids the heat to gather around heating element 72 and weakens the radiating effect and leads to heating element 72 to damage.

In this embodiment, the heat dissipating plate 7 and the heat dissipating pipe 3 are integrally connected to form the heat sink 9 by pressing, and the PCB 71, the element holder 73, the heating element 72, and the heat dissipating plate 7 are connected by the first fixing member 81. The first fixing member 81 penetrates the PCB 71, the component holder 73, the heating component 72, and the heat sink 7 to be integrally connected. In this embodiment, the first fixing member 81 is provided as a screw having a length sufficient to pass through the above components.

As an implementation mode, two grooves 6 are arranged on the heat dissipation plate 7; the radiating pipe 3 comprises a first pipe section 31, a second pipe section 32 and a third pipe section 33 which are connected in sequence; the second tube section 32 is mounted in one of the grooves 6; the third tube section 33 is mounted in the other recess 6. Wherein the first pipe section 31 and the third pipe section 33 are located on the same side of the second pipe section 32; optionally, two grooves 6 are arranged in parallel and extend through opposite ends of the heat sink 7. Set up a plurality of recesses 6 above and increased the length of cooling tube 3 and the area of contact of cooling tube 3 with heating panel 7, improve the radiating efficiency.

In one embodiment, the first tube section 31, the second tube section 32, and the third tube section 33 are integrally formed.

The embodiment provides an air conditioner outdoor unit, which comprises a casing for limiting a containing cavity and an electric box arranged in the containing cavity; the electric fitting box comprises a PCB provided with a heating element, a heat dissipation plate fixed on one side of the heating element far away from the PCB, and a heat dissipation pipe fixed on the heat dissipation plate; a plurality of radiating fins are arranged on one side of the radiating plate, which is far away from the heating element; one end of the radiating pipe is connected with a throttling device of the air-conditioning outdoor unit, and the other end of the radiating pipe is communicated with a low-pressure air pipe of the air-conditioning outdoor unit; the heat released by the heating element is transferred to the heat dissipation plate, and the heat dissipation plate transfers the heat to the heat dissipation pipe and is absorbed by the refrigerant in the heat dissipation pipe; the air condensing units of this embodiment utilizes the refrigerant to absorb the heat that the denso box released, and the heating element of electrical box is controlled in reasonable temperature range, can avoid its high temperature ageing, and then improves the reliability in utilization, improves air condensing units's operational reliability. And the heating panel and cooling tube pass through the punching press formation radiator subassembly in this embodiment, can directly take the use when the equipment is used, and easy to assemble improves the installation effectiveness.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific 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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. Air condensing units, its characterized in that: it includes:

a housing defining an accommodating chamber;

the electric box is arranged in the accommodating cavity; the electronic box includes:

a PCB board on which a heating element is arranged;

the heat dissipation plate is fixed on one side of the heating element, which is far away from the PCB, and a plurality of heat dissipation fins are arranged on one side of the heat dissipation plate, which is far away from the heating element;

a heat dissipation pipe fixed to the heat dissipation plate; one end of the radiating pipe is connected with a throttling device of the air-conditioning outdoor unit, and the other end of the radiating pipe is communicated with a low-pressure air pipe of the air-conditioning outdoor unit.

2. An outdoor unit of an air conditioner according to claim 1, wherein: the radiating fins comprise first radiating fins, and a plurality of first radiating fins are distributed on two opposite sides of the radiating pipe.

3. An outdoor unit of an air conditioner according to claim 2, wherein: and the first radiating fins are arranged at intervals and are arranged along the central shaft of the radiating pipe.

4. An outdoor unit of an air conditioner according to claim 1, wherein: the radiating plate is provided with a groove, and the radiating pipe is arranged in the groove.

5. An outdoor unit of an air conditioner according to claim 4, wherein: the sections of the radiating pipes arranged in the grooves are consistent with the cross sections of the grooves.

6. An outdoor unit of an air conditioner according to claim 4, wherein: the heat dissipation plate is provided with two grooves; the radiating fins further comprise second radiating fins, and the second radiating fins are arranged between the two grooves on one side, far away from the heating element, of the radiating plate.

7. An outdoor unit of an air conditioner according to claim 6, wherein: the second cooling fins are arranged at intervals from one side close to one of the grooves to the direction close to the other groove.

8. An outdoor unit of an air conditioner according to claim 1, wherein: an element support is fixed on the PCB, and the heating element is arranged on the element support.

9. An outdoor unit of an air conditioner according to claim 8, wherein: the PCB, the element support, the heating element and the heat dissipation plate are connected through a first fixing piece.

10. An outdoor unit of an air conditioner according to any one of claims 1 to 9, wherein: the heat dissipation plate is provided with two grooves;

the radiating pipe comprises a first pipe section, a second pipe section and a third pipe section which are connected in sequence; wherein the first tube section and the third tube section are located on the same side of the second tube section;

the first pipe section is arranged in one groove; the third pipe section is arranged in the other groove.

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