CN217519965U

CN217519965U - Outdoor machine of air conditioner

Info

Publication number: CN217519965U
Application number: CN202220741277.XU
Authority: CN
Inventors: 孙合庆; 逯成林; 张家栋; 孟庆刚
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: 2022-09-30
Anticipated expiration: 2032-03-31

Abstract

The utility model provides an air condensing units, include: a housing; electrically packaging the box; the electricity dress box includes: the box cover is provided with a connecting piece; the bottom of the box body is provided with a pipeline bracket; a PCB board on which a heating element is disposed; the heat dissipation pipe is arranged on the pipeline bracket, one end of the heat dissipation pipe is connected with a throttling device of the air conditioner outdoor unit, and the other end of the heat dissipation pipe is communicated with a low-pressure air pipe of the air conditioner outdoor unit; a heat radiating plate, one side of which is matched with the heat radiating pipe and the other side is matched with the heating element so as to transfer heat to the heat radiating pipe; the pipeline pressing plate is fixed on one side of the heat dissipation plate, which is far away from the heating element; the first fixing piece sequentially penetrates through the connecting piece, the PCB, the heating element, the heat dissipation plate and the pipeline pressing plate. This application utilizes the refrigerant to absorb the heat of denso box release, and the heating element of electrical box is controlled at reasonable temperature range, can avoid its high temperature ageing, and then improves the reliability of using, 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 discloses solve one of the technical problem in the correlation technique at least to a certain extent.

Therefore, the present application is directed to an outdoor unit of an air conditioner.

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;

an electrical box disposed in the receiving cavity, the electrical box including:

the box cover is provided with a connecting piece;

the box body is matched with the box cover, and the bottom of the box body is provided with a pipeline bracket;

a PCB board on which a heating element is disposed;

the heat dissipation pipe is arranged on the pipeline bracket, one end of the heat dissipation pipe is connected with the throttling device of the air conditioner outdoor unit, and the other end of the heat dissipation pipe is communicated with the low-pressure air pipe of the air conditioner outdoor unit;

a heat radiating plate, one side of which is matched with the heat radiating pipe and the other side of which is matched with the heating element so as to transfer the heat released by the heating element to the heat radiating pipe;

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

first mounting, it wears to establish in proper order the connecting piece the PCB board heating element the heating panel with the pipeline clamp plate, in order with the cooling tube is connected the heating panel with between the pipeline clamp plate.

This application utilizes the refrigerant to absorb the heat of denso box release, and the heating element of electrical box is controlled at reasonable temperature range, can avoid its high temperature ageing, and then improves the reliability of using, improves air condensing units's operational reliability.

In some embodiments of the present application, the heat dissipation plate is provided with a groove, the pipe pressure plate and the groove jointly define a pipe channel, and the heat dissipation pipe is installed in the pipe channel.

In some embodiments of the present application, the pressure plate has a fixing groove formed thereon, and the fixing groove cooperates with the groove to define the pipeline passage.

In some embodiments of the present application, the heat dissipation pipe includes a first pipe section, a second pipe section and a third pipe section which are connected in sequence; wherein the first tube segment and the third tube segment are on the same side of the second tube segment.

In some embodiments of the present application, the pipeline bracket includes a first pipeline bracket and a second pipeline bracket, the first pipeline bracket is provided with a first installation groove, and the first installation groove is adapted to the second pipe section; the second pipeline support is provided with two second mounting grooves, the first pipeline section is mounted in one of the second mounting grooves, and the third pipeline section is mounted in the other second mounting groove.

In some embodiments of the present application, the first mounting groove is arcuate and at least a portion of the second pipe segment is mounted within the first mounting groove.

In some embodiments of the present application, a first hook is disposed on the first pipeline bracket, and the first hook fixes the second pipeline segment in the first mounting groove.

In some embodiments of the present application, the side walls of the second mounting bracket corresponding to the two second mounting grooves are respectively provided with a second hook, wherein the second hook corresponding to the second mounting groove of the first pipe section fixes the first pipe section in the second mounting groove corresponding thereto; the second clamping hook corresponding to the second mounting groove of the third pipe section fixes the third pipe section in the second mounting groove corresponding to the third pipe section.

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 connection member is provided with a connection groove depressed toward a side close to the case body; the connecting piece is provided with a connecting groove which is sunken towards one side close to the box body; the bottom of the connecting groove is matched with the end face, close to the box cover, of the PCB.

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 box 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 appliance box of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 4 is a first schematic view illustrating a disassembled internal components of an outdoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is an enlarged view of portion B of FIG. 4;

fig. 7 is a second schematic view illustrating the disassembly of the internal components of the outdoor unit of the air conditioner according to the embodiment of the present invention;

fig. 8 is an internal plan view of an outdoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;

fig. 10 is an assembly view of a heat dissipating plate, a heat dissipating pipe and a pipe pressing plate of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 11 is a schematic view illustrating the heat dissipation plate, the heat dissipation pipe, and the pipe pressing 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 partition plate 12; a first chamber 13; a second chamber 14; electrical packaging box 2; a radiating pipe 3; a groove 4; a heat dissipation plate 5; a box body 21; a box cover 22; the accommodation chamber 23; a connecting member 24; a first tube section 31; a second tube segment 32; a third tube section 33; a PCB board 71; a heating element 72; a component holder 73; a first tube support 741; a second pipe holder 742; a pipeline platen 75; a first hook 76; a fixing groove 77; a second hook 78; a connecting groove 79; a first fixing member 81; a first mounting groove 82; a second mounting groove 83; a third hook 84; the first isolation gap 91.

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.

An outdoor unit of an air conditioner, as shown in fig. 1, includes a casing defining a receiving chamber for surrounding 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 11, the electrical box 2 includes a box body 21 and a box cover 22; the cover 22 cooperates with the body 21 to define a receiving cavity 23. Wherein, the box cover 22 is formed with the connecting member 24, and the box cover 22 is fixed with the PCB 71, the PCB 71 is installed with the heating element 72, and the heating element 72 is located on one side of the PCB 71 close to the box body 21. In this embodiment, the heating element 72 is mounted on the element holder 73, and the element holder 73 is fixedly connected to the PCB 71. As an optional manner, the component holder 73 is mounted on the PCB 71 by a third hook for supporting the heating component 72. In this embodiment, the element support 73 is hollow, so that the element support 73 can effectively support the heating element 72, and is beneficial to heat dissipation and reduces heat accumulation around the heating element 72.

A pipeline bracket is arranged at the bottom in the box body 21, a radiating pipe 3 is arranged on the pipeline bracket, one end of the radiating pipe 3 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 coolant absorbs heat when flowing through the heat dissipation pipe 3, and absorbs heat released by the electrical box 2, so as to dissipate heat of the electrical box 2. The side that the bottom of box body was kept away from to one side that the pipeline support was kept away from to cooling tube 3 promptly cooling tube 3 is provided with heating panel 5, and heating panel 5 one side cooperatees with cooling tube 3, and the opposite side cooperatees with heating element 72 to the refrigerant in cooling tube 3 is transferred to the heat that releases heating element 72. In some embodiments, the heating element 72 and the heat dissipation plate 5 are fixedly connected by a second fixing member. The second fixing member may be provided as a screw, by which the heating element 72 and the heat radiating plate 5 are fixed. The second fixing piece sequentially penetrates through the heat dissipation plate 5 and the heating element 72, so that the heat dissipation plate 5 is tightly attached to the heating element 72, and the heat dissipation efficiency is improved.

In this embodiment, the pipe pressing plate 75 is disposed at the opposite side of the radiating pipe 3 that is engaged with the radiating plate 5, that is, the pipe pressing plate 75 and the pipe bracket are disposed at the same side relative to the radiating plate. The heat dissipation plate 5 is provided with a groove 4, the pipeline pressing plate 75 and the groove 4 define a pipeline channel together, and the heat dissipation pipe 3 is installed in the pipeline channel. In one embodiment, the pipe pressure plate 75 has a flat plate shape, and the pipe section of the radiating pipe 3 installed in the groove 4 is identical to the cross section of the groove 4. As another embodiment, the pipe pressing plate 75 is formed with fixing grooves 77, the fixing grooves 77 cooperate with the grooves 4 to define the pipe passage, and the shape of the radiating pipe 3 conforms to the shape of the pipe passage.

A first isolation gap 91 is provided between the manifold platen 7574 and the bottom of the cassette body 21. The first isolation gap 91 effectively isolates the box body 21 from the pipeline pressure plate 7574; the bottom and the heating panel 5 of box body 21 can effectively be kept apart to first isolation clearance 91 to increase the heat radiating area of heating panel 5, improve the radiating efficiency of heating panel 5, realize the high-efficient cooling to heating element 72.

As a settable manner, the heat dissipation plate 5 is provided with two grooves 4; 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; wherein the first pipe section 31 and the third pipe section 33 are located on the same side of the second pipe section 32; the first tube section 31 is mounted in one of the recesses 4 and the third tube section 33 is mounted in the other recess 4. Optionally, two grooves 4 are arranged in parallel and extend through opposite ends of the heat sink 5. Set up a plurality of recesses 4 above and increased the length of cooling tube 3 and the area of contact of cooling tube 3 with heating panel 5, improve the radiating efficiency.

In this embodiment, the cross section of the groove 4 is an arc, and the arc is a major arc; so as to increase the contact area between the groove 4 and the heat dissipation tube 3, improve the heat dissipation efficiency, and increase the connection firmness between the groove and the heat dissipation tube.

In this embodiment, the pipe support is provided in two, and the two pipe supports are respectively provided at both axial ends of the fixing groove 77 on the pipe pressing plate 75, and include a first pipe support and a second pipe support, the first pipe support being provided corresponding to the second pipe section 32, and the second pipe support corresponding to the opposite end of the radiating pipe 3 to the first pipe support. The first pipeline bracket is provided with a first installation groove 82, the first installation groove 82 is matched with the second pipeline section 32, the first installation groove 82 is arc-shaped or U-shaped, and at least part or all of the second pipeline section 32 is installed in the first installation groove 82. The first pipe bracket is provided with a first hook 76, and the second pipe section 32 is fixed in the first mounting groove 82 by the first hook 76 to limit the movement of the radiating pipe 3 toward the direction close to the box cover 22, i.e., the movement of the radiating pipe 3 in the up-and-down direction.

The second pipeline bracket is provided with two second mounting grooves 83, the first pipeline section 31 is mounted in one of the second mounting grooves 83, and the third pipeline section 33 is mounted in the other second mounting groove 83. The first and second mounting

grooves

82 and 83 are provided to restrict the radiating pipe 3 from moving in the front-rear and left-right directions. Optionally, the second mounting grooves 83 are two parallel second mounting grooves, and the second mounting grooves 83 penetrate through two opposite ends of the second mounting bracket in the extending direction of the first pipe section or the third pipe section. The side walls of the second mounting bracket respectively corresponding to the two second mounting grooves 83 are respectively provided with a second hook 78, and the second hooks 78 corresponding to the second mounting grooves 83 of the first pipe section 31 fix the first pipe section 31 in the corresponding second mounting grooves 83; the second hooks 78 corresponding to the second mounting grooves 83 of the third pipe section 33 fix the third pipe section 33 in the second mounting grooves 83 corresponding thereto to restrict the radiating pipe 3 from moving in a direction approaching the box cover 22, i.e., to restrict the radiating pipe 3 from moving in the up-and-down direction.

In one embodiment, two third hooks 84 are disposed on the pipeline pressure plate 75, wherein one third hook 84 is disposed at the end of the groove 4 corresponding to the first pipe segment 31 to fix the first pipe segment 31 in the groove 4 corresponding thereto. Another third hook 84 is provided at an end portion corresponding to the groove 4 of the third pipe section 33 to fix the third pipe section 33 in the groove 4 corresponding thereto, and further to limit the radiating pipe 3 from moving in a direction approaching the box cover 22, i.e., to limit the radiating pipe 3 from moving in an up-and-down direction.

As an implementation manner, the connection member 24 is provided with a connection groove 79, and the connection groove 79 is formed by recessing a side of the box cover 22 far away from the box body 21 to a direction close to the box body 21; the groove bottom of the connecting groove 79 is matched with the end surface of the PCB 71 close to the box cover 22.

The bottom of the connecting groove 79 is provided with a connecting hole, the PCB, the element support, the heating element, the heat dissipation plate and the pipeline pressing plate 75 are provided with connecting holes matched with the connecting holes on the connecting groove 79, and the connecting holes on the connecting piece, the PCB, the element support, the heating element, the heat dissipation plate and the pipeline pressing plate 75 are penetrated through from one side of the box cover 22 through the first fixing piece 81 at a time so as to tightly attach the heat dissipation pipe between the heat dissipation plate and the pipeline pressing plate 75. Settable, the first fixing member 81 adopts a screw, and the screws are connected with each closely attached element, so that the heat conduction efficiency can be increased, and the service life of the heating element is prolonged. The recessed connecting slots 79 prevent the screws from protruding from the end surface of the box cover 22, so that the screws are completely received in the connecting slots 79.

The embodiment provides an air conditioner outdoor unit, which comprises a machine shell 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 matched with one side of the heating element far away from the PCB, a pipeline pressing plate fixed on one side of the heat dissipation plate far away from the heating element, and a heat dissipation pipe fixed between the heat dissipation plate and the pipeline pressing 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 heat dissipation plate transfers the heat released by the heating element to the heat dissipation pipe and is absorbed by a refrigerant in the heat dissipation pipe; the first fixing piece sequentially penetrates through the connecting piece, the PCB, the heating element, the heating panel and the pipeline pressing plate to connect the radiating tube between the heating panel and the pipeline pressing plate. 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.

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 explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; 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", and "third" may explicitly or implicitly include one or more of the features.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. 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.

While embodiments of the present invention have been shown and described above, 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 of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An outdoor unit of an air conditioner, comprising:

a housing defining an accommodating chamber;

the box cover is provided with a connecting piece;

the box body is matched with the box cover, and a pipeline bracket is arranged at the bottom of the box body;

a PCB board on which a heating element is disposed;

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

2. The outdoor unit of claim 1, wherein the heat radiating plate is provided with grooves, the pipe pressing plate and the grooves together define a pipe passage, and the heat radiating pipe is installed in the pipe passage.

3. An outdoor unit of an air conditioner as set forth in claim 2, wherein fixing grooves are formed on the pressing plate, and the fixing grooves are engaged with the grooves to define the duct passage.

4. The outdoor unit of claim 3, wherein the heat pipe comprises a first pipe section, a second pipe section and a third pipe section which are connected in sequence; wherein the first tube segment and the third tube segment are on the same side of the second tube segment.

5. The outdoor unit of claim 4, wherein the pipe bracket comprises a first pipe bracket and a second pipe bracket, the first pipe bracket is provided with a first installation groove, and the first installation groove is adapted to the second pipe section; the second pipeline support is provided with two second mounting grooves, the first pipeline section is mounted in one of the second mounting grooves, and the third pipeline section is mounted in the other second mounting groove.

6. The outdoor unit of claim 5, wherein the first installation groove is formed in an arc shape, and at least a portion of the second pipe section is installed in the first installation groove.

7. The outdoor unit of claim 5, wherein the first pipe bracket is provided with a first hook, and the first hook fixes the second pipe segment in the first mounting groove.

8. The outdoor unit of claim 7, wherein second hooks are respectively provided on sidewalls of the second mounting bracket corresponding to the two second mounting grooves, wherein the second hooks corresponding to the second mounting grooves of the first pipe section fix the first pipe section in the second mounting groove corresponding thereto; the second clamping hook corresponding to the second mounting groove of the third pipe section fixes the third pipe section in the second mounting groove corresponding to the third pipe section.

9. The outdoor unit of any one of claims 1 to 8, wherein a component holder is fixed to the PCB, and the heating component is mounted to the component holder.

10. The outdoor unit of any one of claims 1 to 8, wherein the coupling member is provided with a coupling groove depressed toward a side adjacent to the case body; the bottom of the connecting groove is matched with the end face, close to the box cover, of the PCB.