CN217082742U

CN217082742U - Outdoor machine of air conditioner

Info

Publication number: CN217082742U
Application number: CN202220736781.0U
Authority: CN
Inventors: 孙合庆; 逯成林
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-29
Anticipated expiration: 2032-03-31

Abstract

The utility model provides an air condensing units, it includes: 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 plurality of heating elements which are arranged at intervals; the heat dissipation plates are fixed on one sides of the heating elements, which are far away from the PCB, and the heat dissipation plates respectively correspond to the heating elements and are arranged at intervals; the pressing plate is fixed on one side of the heat dissipation plate, which is far away from the heating element; a heat dissipating pipe installed between the plurality of heat dissipating plates and the pressure 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, 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 condensing units, especially, relate to an air condensing 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.

In view of this, the present invention is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an to foretell technical problem, provide an air condensing units.

In order to achieve the above object, the utility model discloses a technical scheme be:

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 plurality of heating elements which are arranged at intervals;

the heat dissipation plates are fixed on one sides of the heating elements, which are far away from the PCB, and the heat dissipation plates respectively correspond to the heating elements and are arranged at intervals;

the pressing plate is fixed on one side of the heat dissipation plate, which is far away from the heating element;

a heat dissipating pipe installed between the plurality of heat dissipating plates and the pressure 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 heating element is connected to the corresponding heat dissipation plate through a first fixing member, and the first fixing member penetrates through the heat dissipation plate and the heating element corresponding to the heat dissipation plate.

In some embodiments of the present application, the pressing plate is provided in a plurality, and the plurality of pressing plates respectively correspond to the plurality of heat dissipation plates and are arranged at intervals.

In some embodiments of the present application, the pressing plate and the corresponding heat dissipation plate are connected by a second fixing member, and the second fixing member penetrates through the pressing plate and the heat dissipation plate corresponding to the pressing plate.

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

In some embodiments of the present application, the pipe section of the radiating pipe installed in the groove is consistent with the cross section of the groove.

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 element support is a hollow arrangement.

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 same 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 at least partially arranged in one of the grooves on the same heat dissipation plate; the third pipe section is at least partially arranged in the groove on the same heat dissipation plate.

Additional aspects and advantages of the invention 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 invention.

Drawings

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

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

fig. 3 is an assembly view of internal components of an electric fitting box of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 4 is an internal front view of an electrical fitting box of an outdoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a schematic view illustrating a disassembled inner component of an electrical fitting box of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 7 is a schematic view illustrating a heat generating element, a heat dissipating plate, and a first fixing member of an electrical fitting box of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 8 is a schematic view illustrating a press plate, a heat dissipation pipe and a heat dissipation plate of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 9 is an assembly diagram of the pressing plate, the heat dissipating pipe, the heat dissipating plate, and the heat generating element 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 pressing plate 4; a second fixing member 5; a groove 6; a heat dissipation plate 7; 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 PCB board 71; a heating element 72; an element holder 73; a fixing groove 74; the first fixing member 81.

Detailed Description

The present invention is specifically described 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 to 9, the electrical box 2 includes a box body 21, a box cover 22, a PCB 71, a heat dissipation plate 7, a pressure plate 4, and a heat dissipation pipe 3 disposed between the pressure plate 4 and the heat dissipation plate 7; 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, and the pressing plate 4 is fixed with 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 this embodiment, the heat dissipation plate 7 is provided with a groove 6, and the pressing plate 47 and the groove 6 jointly define a pipeline; the radiating pipe 3 is installed in the pipe passage. As an embodiment, the pressing plate 475 is formed with a fixing groove 74, and the fixing groove 74 cooperates with the groove 6 to define a pipeline channel; the radiating pipe 3 has a shape corresponding to that of the pipe passage.

The cross section of the groove 6 is in an arc shape, and the 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 heat dissipation plate 7 and the heat dissipation pipe 3 is increased by the arrangement, the heat dissipation efficiency is improved, and the connection firmness of the heat dissipation plate and the heat dissipation pipe is increased.

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.

A component bracket 73 is fixed on the PCB 71, the heating component 72 is mounted on the component bracket 73, and the component bracket is mounted on the PCB 71 by a hook for supporting the heating component 72. 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 plurality of heating elements 72 are provided, and the plurality of heating elements 72 are arranged at intervals; the heat radiating plate 7 is provided in plural, and each of the heat generating elements 72 is provided with the heat radiating plate 7 corresponding thereto, that is, the plurality of heat radiating plates 7 are arranged at intervals corresponding to the plurality of heat generating elements 72. In this embodiment, the heat-generating element 72 and the corresponding heat-dissipating plate 7 are fixedly connected by the first fixing member 81, and the first fixing member 81 sequentially penetrates through the heat-dissipating plate 7 and the corresponding heat-generating element 72 to tightly connect the heat-dissipating plate 7 and the heat-generating element 72. Alternatively, the first fixing member 81 may be a screw, and the screw may be a universal (length) screw for connecting the heat radiating plate 7 and the heating element 72.

In this embodiment, the plurality of pressing plates 4 are provided, the plurality of pressing plates 4 are arranged at intervals, and each heat dissipation plate 7 is provided with the corresponding pressing plate 4, that is, the plurality of pressing plates 4 are arranged at intervals relative to the plurality of heat dissipation plates 7. In this embodiment, the pressing plate 4 and the corresponding heat dissipation plate 7 are fixedly connected through the second fixing member 5, and the second fixing member 5 sequentially penetrates through the pressing plate 4 and the corresponding heat dissipation plate 7 to tightly connect the pressing plate 4 and the heat dissipation plate 7. Optionally, the second fixing member 5 is a screw, and the screw can be a universal (length) screw to connect the pressing plate 4 and the heat dissipation plate 7.

In this embodiment, the fixing position of the first fixing member 81 corresponds to the position of the same heat dissipation plate 7 to which the pressing plate 4 is connected, so that after the pressing plate 4 is fixed on the heat dissipation plate 7, the pressing plate 4 covers the first fixing member 81 to prevent the first fixing member 81 from separating from the heat dissipation plate 7 and the heating element 2.

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 first pipe section 31 is at least partially arranged in one groove 6 of the same heat dissipation plate 7; the third pipe section 33 is at least partly arranged in another recess 6 of the same heat distribution plate 7. Wherein the first pipe section 31 and the third pipe section 33 are located on the same side of the second pipe section 32; two grooves 6 on the same heat dissipation plate can be arranged in parallel and penetrate through the opposite end parts of the corresponding heat dissipation plate 7. The grooves 6 are formed in the same radiating plate 7, so that the length of the radiating pipe 3 and the contact area between the radiating pipe 3 and the radiating plate 7 are increased, and the radiating efficiency is improved.

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 (printed circuit board) provided with a plurality of heating elements which are arranged at intervals, a heat dissipation plate fixed on one side of the heating elements away from the PCB, a pressing plate fixed on one side of the heat dissipation plate away from the heating elements, and a heat dissipation pipe fixed on the heat dissipation plate; the plurality of heat dissipation plates correspond to the plurality of heating elements respectively and are arranged at intervals; 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 "center", "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, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate 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" or the like mean 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 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. Air condensing units, its characterized in that: the method comprises the following steps:

a housing defining an accommodating chamber;

2. An outdoor unit of an air conditioner according to claim 1, wherein: the heating element is connected with the corresponding heating panel through a first fixing piece, and the first fixing piece penetrates through the heating panel and the heating element corresponding to the heating panel.

3. An outdoor unit of an air conditioner according to claim 1, wherein: the pressing plates are arranged in a plurality and correspond to the plurality of the heat dissipation plates respectively and are arranged at intervals.

4. An outdoor unit of an air conditioner according to claim 3, wherein: the pressing plate is connected with the corresponding heat dissipation plate through a second fixing piece, and the second fixing piece penetrates through the pressing plate and the heat dissipation plate corresponding to the pressing plate.

5. 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 at least partially arranged in the groove.

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

7. 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.

8. An outdoor unit of an air conditioner according to claim 7, wherein: the element support is arranged in a hollow manner.

9. The outdoor unit of claim 7 or 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 8, wherein: two grooves are arranged on the same heat dissipation plate;