CN214619844U

CN214619844U - Outdoor machine of air conditioner

Info

Publication number: CN214619844U
Application number: CN202022866329.XU
Authority: CN
Inventors: 王朋; 何延林; 李月辉
Original assignee: Hisense Shandong Air Conditioning Co Ltd
Current assignee: Hisense Shandong Air Conditioning Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-11-05
Anticipated expiration: 2030-12-02

Abstract

The utility model provides an air conditioner outdoor unit, which comprises a casing, wherein two cavities, namely a compressor cavity and a fan cavity, are arranged in the casing; the mounting panel is connected with the inner wall in press chamber, is equipped with on the mounting panel: the air conditioner comprises an electric control box, wherein a heat dissipation plate is arranged in the electric control box, at least part of refrigerant pipes are arranged on the heat dissipation plate, and the inlet ends and the outlet ends of the refrigerant pipes extend out of the electric control box and are connected with an air conditioner refrigerant pipeline; the fixed plate is provided with a damping pad; and the pipeline pressing plate is fixedly connected with the fixed plate, and a first accommodating groove for fixing the inlet end of the refrigerant pipe and a second accommodating groove for fixing the outlet end of the refrigerant pipe are formed between the pipeline pressing plate and the vibration damping pad. The utility model discloses a set up rubber pad and pipeline clamp plate and compress tightly fixedly with the entrance point and the exit end of refrigerant pipe, be favorable to promoting the connection stability of refrigerant pipe, the vibration range of refrigerant pipe when reducing the air conditioner operation has guaranteed the stability of air condensing units radiator unit work.

Description

Outdoor machine of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an air-conditioner outdoor unit.

Background

The traditional refrigerant heat dissipation product dissipates heat for the power module through a heat dissipation plate and a refrigerant pipe, the heat dissipation plate is directly attached to the power module, the refrigerant pipe is arranged on the heat dissipation plate, the power module is dissipated heat through flowing of a refrigerant, the refrigerant pipe is connected with a compressor, and the compressor drives a pipeline to vibrate when running, and the vibration can possibly cause damage of the refrigerant pipe, so that the heat dissipation function is reduced; even can cause the influence to the power module with the setting of heating panel laminating, can reduce heating panel and power module's life if the improper one side of vibration processing, on the other hand can arouse machine failure, influences user's use and experiences.

SUMMERY OF THE UTILITY MODEL

The utility model provides an above-mentioned technical problem, a air condensing units is proposed, include:

the air conditioner comprises a machine shell, a fan and a fan control system, wherein two cavities, namely a compressor cavity and a fan cavity, are formed in the machine shell;

the outdoor heat exchanger is arranged in the fan cavity;

the compressor is arranged in the compressor cavity;

a refrigerant pipe for connecting the outdoor heat exchanger and the compressor, the refrigerant pipe conveying a refrigerant between the outdoor heat exchanger and the compressor, the refrigerant pipe having an inlet end and an outlet end; and

the mounting panel, with the interior wall connection in press chamber, be equipped with on the mounting panel:

the electric control box is arranged on one side of the mounting plate, a heat dissipation plate is arranged in the electric control box, at least part of the refrigerant pipe is arranged on the heat dissipation plate, and the inlet end and the outlet end of the refrigerant pipe extend out of the electric control box;

the fixed plate is arranged at the inlet end and the outlet end of the refrigerant pipe, and a damping pad is arranged on the fixed plate; and

and the pipeline pressing plate is fixedly connected with the fixed plate, and a first accommodating groove for fixing the inlet end of the refrigerant pipe and a second accommodating groove for fixing the outlet end of the refrigerant pipe are formed between the pipeline pressing plate and the vibration damping pad.

The utility model has the advantages that the inlet end and the outlet end of the refrigerant pipe are compressed and fixed by the fixing plate and the pipeline pressing plate, thereby being beneficial to improving the connection stability of the refrigerant pipe and reducing the vibration amplitude of the refrigerant pipe when the air conditioner operates; simultaneously the utility model discloses still be provided with the damping pad on the fixed plate, the damping pad has good elastic property, can further play the cushioning effect to the vibration of refrigerant pipe, possesses good antivibration effect, has guaranteed the stability of air condensing units radiator unit work.

According to some embodiments of the present application, a first groove and a second groove adapted to the refrigerant pipe are disposed on the vibration damping pad, and a third groove corresponding to the first groove and a fourth groove corresponding to the second groove are disposed on the pipeline pressing plate; the first groove and the third groove are buckled to form the first accommodating groove, and the second groove and the fourth groove are buckled to form the second accommodating groove. The relative setting of damping pad recess and pipeline clamp plate recess can realize that the entrance point and the exit end of refrigerant pipe are compressed tightly by pipeline clamp plate and rubber pad's technological effect to promote the connection stability of refrigerant pipe, reduce the vibration range of refrigerant pipe, and provide convenience for the loading and unloading of refrigerant pipe.

According to some embodiments of the application, the vibration dampening pad is a rubber pad. The rubber pad has good elasticity performance, can play the cushioning effect to the vibration of refrigerant pipe.

According to some embodiments of the application, a mounting groove is formed in one side, away from the mounting plate, of the heat dissipation plate, and a part of the refrigerant pipe is arranged in the mounting groove. The mounting groove plays the fixed action to the refrigerant pipe in the automatically controlled box, alleviates the influence of refrigerant pipe vibration to the heating panel.

According to some embodiments of the present application, the refrigerant pipe is fixed in the installation groove by a pipe pressing process. The refrigerant pipe is pressed into the mounting groove to form a whole, so that the connection structure of the refrigerant pipe and the heat dissipation plate is firmer.

According to some embodiments of the present application, a groove bottom of the mounting groove is located in the same plane as a groove bottom of the first receiving groove and a groove bottom of the second receiving groove. The first holding tank, the second holding tank and the refrigerant pipe are ensured to be matched in position.

According to some embodiments of the application, the line pressure plate is fastened to the fixing plate by screws. The stability that the reinforcing pipeline clamp plate is connected with the fixed plate strengthens the shockproof effect of this structure.

According to some embodiments of the application, a PCB and a power module are further arranged in the electric control box, and the PCB is arranged on a bottom plate of the electric control box; the power module is arranged on the PCB through the supporting frame, and one side of the power module, which is far away from the PCB, is attached to the heating panel. The power module is attached to the heat dissipation plate, so that the heat dissipation effect of the heat dissipation plate is improved; in addition, the support frame can fix the installation position of the power module, and the influence of the vibration of the heat dissipation plate on the power module is reduced.

According to some embodiments of the present application, the power module has a plurality of, be equipped with a plurality of archs on the support frame, it is a plurality of the arch is followed the length direction interval distribution of support frame, the power module is located adjacent two between the arch.

According to some embodiments of the present application, the heat dissipation plate, the power module, the support bracket, and the PCB board are fastened and connected by screws. The firmness of connection among all components in the electrical appliance box is further enhanced, so that the influence of the vibration of the air conditioner refrigerant pipeline on all components in the electrical appliance box is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of an outdoor unit of an air conditioner according to the present invention;

fig. 2 is a perspective view of the outdoor unit of the air conditioner of the present invention with the top cover removed;

fig. 3 is a schematic structural diagram of the PCB assembly of the present invention;

fig. 4 is a schematic structural view of another angle of the PCB assembly of the present invention;

figure 5 is an exploded view of figure 4 in accordance with the present invention;

fig. 6 is a schematic structural view of the refrigerant tube fixing structure of the present invention;

fig. 7 is a schematic structural view of the fixing plate and the pipeline pressing plate of the present invention;

fig. 8 is a partially enlarged view of a portion a in fig. 7 according to the present invention.

In the above figures: an outdoor unit of an air conditioner 100; a housing 1; an air inlet side 11; an air outlet grille 12; a fan cavity 01; a press chamber 02; a separator 03; a mounting plate 04; a fixation plate 041; an outdoor heat exchanger 2; an outdoor fan 3; a compressor 4; a refrigerant pipe 5; an inlet end 51 of the refrigerant pipe; an outlet end 52 of the refrigerant tube; an electric control box 6; a PCB board 7; a power module 8; a heat dissipation plate 9; a mounting groove 91; a support frame 10; a protrusion 101; a guide post 102; a screw 20; a pipeline press plate 30; a third groove 301; a fourth groove 302; a damping pad 40; a first groove 401; a second recess 402.

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 description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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, are not to be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

The air conditioner in the present disclosure performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies a refrigerant to the air that has been conditioned and heat-exchanged.

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 high-temperature and high-pressure liquid-phase refrigerant 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 refrigerating effect by heat exchange 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 outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit of the air conditioner.

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 in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.

Fig. 1 is a perspective view illustrating an outdoor unit 100 of an air conditioner according to an embodiment of the present disclosure, and fig. 2 is a schematic view illustrating the outdoor unit 100 of the air conditioner according to the embodiment of the present disclosure with a top cover removed.

The outdoor unit 100 of the air conditioner includes a casing 1, a fan chamber 01 and a press chamber 02 are partitioned by a partition plate 03 in the casing 1, and an outdoor heat exchanger 2, an outdoor fan 3 and other components are arranged in the fan chamber 01; the press cavity 02 is internally provided with a compressor 4, a refrigerant pipe 5, an electric control box 6 and other parts.

An air inlet side 11 and an air outlet grid 12 which are open are arranged on the shell 1 corresponding to the fan cavity 01, and the air inlet side 11 and the air outlet grid 12 are arranged oppositely; the outdoor heat exchanger 2 is arranged on the air inlet side 11, and the outdoor fan 3 is arranged between the outdoor heat exchanger 2 and the air outlet grille 12; under the action of the outdoor fan 3, the outdoor air is heat-exchanged by the outdoor heat exchanger 2 and then blown out from the outlet grille 12.

A compressor 4 is arranged in the press cavity 02, and the compressor 4 is connected with the outdoor heat exchanger 2 through a refrigerant pipe 5; be connected with mounting panel 04 on the inside wall in press chamber 02, automatically controlled box 6 passes through mounting panel 04 to be installed in press chamber 02, has the PCB board subassembly in automatically controlled box 6 to realize the automatically controlled function of air conditioner.

The power module 8 with large heat generation is arranged in the PCB assembly, and the high-frequency operation of the compressor 4 is limited under the high-temperature environment, so that the power module 8 is connected with a heat dissipation plate 9, part of the refrigerant pipe 5 is fixed on the heat dissipation plate 9, and the heat dissipation is carried out on the power module 8 through the flow of the refrigerant in the refrigerant pipe 5.

Fig. 3 and 4 are structural diagrams of components in an electronic control box 6 of the present embodiment, fig. 5 is an exploded view of a PCB assembly, a PCB 7 is connected to a bottom plate of the electronic control box 6, a plurality of power modules 8 are mounted on the PCB 7, in this embodiment, the PCB 7 is used as a reference, one side on which the power modules 8 are mounted is "up", the side opposite to the side is "down", a heat dissipation plate 9 is connected above the power modules 8, wherein the heat dissipation plate 9 is attached to the power modules 8, so as to achieve the purpose of heat dissipation.

In this embodiment, a support frame 10 for fixing the power module 8 is disposed between the power module 8 and the PCB 7, the support frame 10 is fixedly connected to the upper surface of the PCB 7, and the power module 8 is fixedly connected to the upper surface of the support frame 10, so that the stability of the mounting position of the power module 8 can be enhanced.

The two sides of the power module 8 are provided with a plurality of pins, and the pins extend downwards from the two sides of the support frame 10 to be welded with the PCB 7. Illustratively, the support frame 10 is elongated as a whole, and can be used for positioning a row of a plurality of power modules 8 according to practical situations.

According to the air conditioner outdoor unit 100 of this embodiment, the PCB 7 is provided with the pinholes adapted to the pins of the power module 8, the support frame 10 is disposed between the two rows of pinholes, when the heating module 8 is mounted on the PCB 7, the support frame 10 is placed between the pinholes of the PCB 7, then the two rows of pins of the heating module 8 are clamped on the two sides of the support frame 10 and assembled on the PCB 7, and when the power module 8 is electrically connected to the PCB 7, the assembly efficiency is greatly improved.

The upper surface of support frame 10 upwards extends has a plurality of archs 101, a plurality of archs 101 are along the length direction interval distribution of support frame 10, power module 8 is located between two adjacent archs 101, protruding 101 further forms the location to power module 8's horizontal position, make things convenient for power module 8's location installation, support frame 10 has the effect of primary importance to power module 8, play the supporting role to power module 8 simultaneously, prevent power module 8's pin atress.

Specifically, the support frame 10 is made of plastic or other non-conductive materials, and has certain strength and rigidity.

In the embodiment, the upper surface of the heat dissipation plate 9 is provided with an installation groove 91, the refrigerant pipe 5 in the electronic control box 6 is fixed in the installation groove 91 through a pipe pressing process, the lower surface of the heat dissipation plate 9 is attached to the power module 8 for connection, and the power module 8 generates heat to transfer the heat to the heat dissipation plate 9; when the refrigerant in the refrigerant pipe 5 flows through the heat dissipation plate 9, the refrigerant can absorb the heat on the heat dissipation plate 9, so that the electronic control box 6 is cooled, the refrigerant is in a continuous circulation state, and the refrigerant pipe 5 can continuously absorb the heat of the heat dissipation plate 9. Therefore, the power module 8 can keep a lower temperature for a long time, and a better heat dissipation effect is achieved.

The heat dissipation plate 9 in this embodiment is an aluminum plate, and a copper plate or other rectangular plate material with good thermal conductivity may also be used, which is not specifically limited in this application.

In this embodiment, a positioning structure is further disposed between the heat dissipation plate 9 and the PCB 7 to facilitate positioning and assembling of components between the heat dissipation plate 9 and the PCB 7. As shown in fig. 5, the positioning structure is a guide hole and a guide post 102 which are arranged in a matching manner, a plurality of guide posts 102 are arranged on the PCB 7 in a dispersed manner, correspondingly, the guide holes are arranged on the support frame 10, the power module 8 and the heat dissipation plate 91 in a matching manner with the guide posts 102, and during assembly, the guide holes are aligned with the guide posts 102 for installation, so that the assembly efficiency and the assembly precision can be improved.

The utility model discloses an aspect wear to establish screw 20 and connect to power module 8 on the heating panel 9, fix both together, ensure that heating panel 9 is laminated all the time and set up in power module 8's top and dispel the heat to power module 8; on the other hand, the utility model discloses wear to establish heating panel 9, power module 8, support frame 10 and PCB board 7 with screw 20 and be connected to on the bottom plate of automatically controlled box 6 to fix heating panel 9 and power module 8, prevent power module 8's pin atress, cause machine trouble. It is within the scope of the present invention to connect the heat sink 9 to any component below via screws 20. The connection mode can fasten the connection among all components on the PCB so as to ensure that the structure is firmer; on the other hand, the fastening connection prevents the pins of the power module 8 from being stressed, and reduces the influence of the vibration of the compressor 4 on the power module 8 when the air conditioner operates.

The bottom plate of PCB board 7 and automatically controlled box 6 of this embodiment still passes through screw 20 to be fixed, passes through screw 20 with the bottom plate of automatically controlled box 6 simultaneously and fixes with mounting panel 04, further strengthens the steadiness of automatically controlled box 6 and the assembly of PCB board, plays the guard action to each subassembly in automatically controlled box 6 when the compressor operation vibrates.

In this embodiment, a part of the refrigerant pipe 5 located in the electronic control box 6 is a U-shaped pipe. Therefore, the contact area between the refrigerant pipe 5 and the heat dissipation plate 9 is large, the heat dissipation effect can be increased, and the U-shaped refrigerant pipe 5 is simple to manufacture and easy to assemble; in order to adapt to the U-shaped pipe, the two parallel mounting grooves 91 on the heat dissipation plate 9 are provided, the refrigerant pipe 5 has an inlet end 51 of the refrigerant pipe and an outlet end 52 of the refrigerant pipe, and the two pipelines of the U-shaped refrigerant pipe 5 located above the mounting plate 04 and extending out of the electrical box 6 are the inlet end 51 of the refrigerant pipe and the outlet end 52 of the refrigerant pipe in this embodiment.

The utility model discloses the mounting panel 04 is equipped with fixed plate 041 in the entrance point 51 of refrigerant pipe and the below position of the exit end 52 of refrigerant pipe, be equipped with pipeline clamp plate 30 in the entrance point 51 of refrigerant pipe and the top of the exit end 52 of refrigerant pipe, wherein, fixed plate 041 is upwards then formed along the axial extension of U-shaped refrigerant pipe 5 straight tube part by mounting panel 04 in the position that refrigerant pipe 5 advanced out automatically controlled box 6, pipeline clamp plate 30 passes through screw 20 fastening connection on fixed plate 041, with the exit end 52 of entrance point 51 and the refrigerant pipe that compresses tightly the refrigerant pipe, thereby play the fixed action to refrigerant pipe 5, further alleviate the influence of compressor 4 vibrations to heating panel 9 and power module 8 when the air conditioner operation.

The fixing plate 041 is further provided with a damping pad 40, and the damping pad 40 is provided with a first groove 401 adapted to the inlet end 51 of the refrigerant pipe and a second groove 402 adapted to the outlet end 52 of the refrigerant pipe; a third groove 301 corresponding to the first groove 401 and a fourth groove 302 corresponding to the second groove 402 are arranged on the pipeline pressing plate 30; the first groove 401 and the third groove 301 are engaged to form a first receiving groove, the second groove 402 and the fourth groove 401 are engaged to form a second receiving groove, the inlet end 51 of the refrigerant pipe is fixed in the first receiving groove, and the outlet end 52 of the refrigerant pipe is fixed in the second receiving groove. Since the inlet end 51 of the refrigerant pipe is parallel to the outlet end 52 of the refrigerant pipe, the first groove 401 and the second groove 402 are parallel to each other, and the third groove 301 and the fourth groove 302 are parallel to each other; and the groove bottom of the first groove 401, the groove bottom of the second groove 402 and the groove bottom of the mounting groove 91 are in the same plane, so as to ensure that the first accommodating groove for fixing the inlet end 51 of the refrigerant pipe, the second accommodating groove for fixing the outlet end 52 of the refrigerant pipe and the refrigerant pipe 5 are matched in position.

The vibration damping pad 40 in the present embodiment is a rubber pad, and other elastic pads having a vibration damping function may be used, which is not particularly limited in the present application. The vibration of the refrigerant pipe 5 can be effectively reduced by the arrangement of the vibration damping pad 40, and the power module 8 is further protected.

The utility model has the advantages that on one hand, the connection between the heat dissipation plate 9 and each component below the heat dissipation plate is reinforced by the screw 20, the heat dissipation plate 9 is firmly installed in the electric control box 6, and the heat dissipation plate 9 is prevented from shaking violently when the air conditioner operates; on the other hand compresses tightly the entrance point 51 and the exit end 52 of refrigerant pipe through setting up fixed plate 041 and pipeline clamp plate 30 to alleviate refrigerant pipe 5's vibration range, simultaneously the utility model discloses be equipped with damping pad 40 on fixed plate 041, can further play the buffering effect to refrigerant pipe 5's vibration, possess good antivibration effect, guaranteed air condensing units radiator unit job stabilization nature.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

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

the outdoor heat exchanger is arranged in the fan cavity;

the compressor is arranged in the compressor cavity;

and the pipeline pressing plate is fixedly connected with the fixed plate, and a first accommodating groove for fixing the inlet end of the refrigerant pipe and a second accommodating groove for fixing the outlet end of the refrigerant pipe are formed between the pipeline pressing plate and the vibration reduction pad.

2. An outdoor unit of an air conditioner according to claim 1, wherein: a first groove and a second groove which are matched with the refrigerant pipes are formed in the vibration reduction pad, and a third groove corresponding to the first groove and a fourth groove corresponding to the second groove are formed in the pipeline pressing plate; the first groove and the third groove are buckled to form the first accommodating groove, and the second groove and the fourth groove are buckled to form the second accommodating groove.

3. An outdoor unit of an air conditioner according to claim 1, wherein: the vibration damping pad is a rubber pad.

4. An outdoor unit of an air conditioner according to claim 1, wherein: one side of the heat dissipation plate, which is far away from the mounting plate, is provided with a mounting groove, and part of the refrigerant pipe is arranged in the mounting groove.

5. An outdoor unit of an air conditioner according to claim 4, wherein: the refrigerant pipe is fixed in the mounting groove through a pipe pressing process.

6. An outdoor unit of an air conditioner according to claim 4, wherein: the groove bottom of the mounting groove, the groove bottom of the first accommodating groove and the groove bottom of the second accommodating groove are located in the same plane.

7. An outdoor unit of an air conditioner according to claim 1, wherein: the pipeline pressure plate is fastened on the fixing plate through screws.

8. An outdoor unit of an air conditioner according to claim 1, wherein: a PCB and a power module are also arranged in the electric control box, and the PCB is arranged on a bottom plate of the electric control box; the power module is arranged on the PCB through the supporting frame, and one side of the power module, which is far away from the PCB, is attached to the heating panel.

9. An outdoor unit of an air conditioner according to claim 8, wherein: the power module is provided with a plurality of bulges, the supporting frame is provided with a plurality of bulges, the bulges are distributed at intervals along the length direction of the supporting frame, and the power module is positioned between two adjacent bulges.

10. An outdoor unit of an air conditioner according to claim 8, wherein: the heat dissipation plate, the power module, the support frame and the PCB are fixedly connected through screws.