CN219473825U

CN219473825U - Air conditioner

Info

Publication number: CN219473825U
Application number: CN202320194765.8U
Authority: CN
Inventors: 徐佳; 徐超
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-04
Anticipated expiration: 2033-02-09

Abstract

The utility model proposes an air conditioner, comprising: an indoor heat exchanger; an outdoor housing having a receiving space therein; a middle partition plate for dividing the accommodating space into a fan cavity and a press cavity; a compressor; an outdoor heat exchanger; a throttle member; a refrigerant circuit; the electrical apparatus box is located accommodation space, and the electrical apparatus box is located press intracavity or spanes press chamber and fan chamber, and the electrical apparatus box includes: the box body is internally provided with a containing cavity; the circuit board is arranged in the accommodating cavity and is connected with a first heating element; the radiator is arranged on one side of the first heating element far away from the circuit board; the heat sink includes: a single-sided inflation plate connected to the first heating element; the inflation pipeline is arranged in the single-sided inflation plate and is a capillary pipeline; the refrigerant loop is sequentially connected with the compressor, the indoor heat exchanger, the throttling element, the inflation pipeline and the outdoor heat exchanger; the inflation pipeline is a part of the refrigerant loop and plays a role of a capillary tube on the refrigerant loop, so that the cost can be saved.

Description

Air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an air conditioner.

Background

The air conditioner can be an integrated air conditioner or a split type air conditioner, the split type air conditioner comprises an air conditioner indoor unit and an air conditioner outdoor unit, the air conditioner indoor unit comprises an indoor machine shell, an indoor fan and an indoor heat exchanger, the air conditioner outdoor unit comprises an outdoor machine shell, an outdoor fan, an outdoor heat exchanger and a compressor, an outdoor air inlet and an outdoor air outlet are formed in the outdoor machine shell, an electric appliance box is arranged in the outdoor machine shell in order to ensure normal operation of the compressor and the outdoor fan, a circuit board is arranged in the electric appliance box, and electronic components are arranged on the circuit board and used for controlling the compressor through the electric appliance box so as to realize normal operation of the air conditioner outdoor unit.

When the air conditioner outdoor unit normally operates, the electronic components can generate larger heat, and when the temperature of the electronic components is higher, the normal use of the compressor can be influenced, and under the general condition, the compressor can be reduced in frequency or stopped, so that the stability of the air conditioner outdoor unit is seriously influenced. And, with the development of miniaturization of the electrical box, the space of the electrical box gradually becomes lower, and the density of the electronic element is larger and larger, so that the heat in the electrical box is more concentrated, and the outdoor fan and the compressor are more easily influenced.

At present, a radiator is generally arranged to radiate heat of the electric box, part of the electric box adopts a refrigerant to flow through the electric box to radiate heat of the electric box, and part of the electric box adopts introduced air to radiate heat of the electric box. When the refrigerant flows through the electrical box, a branch circuit is generally arranged on the original refrigerant circuit, so that other devices are required to be added while the original refrigerant circuit element is required to be ensured, and the cost is greatly increased. In the scheme of introducing air to cool the electric box, a radiator is arranged at an electronic element, an air circulation channel is formed in the radiator, but most of air flows through one side of the channel away from the electronic element, so that the air is difficult to guide to one end of an air channel close to the electronic element, the cooling effect is poor, the accurate cooling is difficult, and the cooling requirement of a high-power electronic element cannot be met by the cooling scheme under extremely high temperature (the ambient temperature is higher than 52 ℃), so that the cooling scheme has limitations.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

To this end, according to an embodiment of the present disclosure, there is provided an air conditioner including:

an indoor casing, a cover, a,

the indoor heat exchanger is arranged in the indoor shell;

an outdoor housing having a receiving space therein;

the middle partition plate is arranged in the accommodating space to divide the accommodating space into a fan cavity and a press cavity;

the compressor is arranged in the press cavity;

an outdoor heat exchanger is arranged on the outside of the heat exchanger,

the fan is arranged in the fan cavity;

a throttle member;

a refrigerant circuit;

the electrical apparatus box is located in the accommodation space, the electrical apparatus box is located press intracavity or span press chamber and fan chamber, the electrical apparatus box includes:

the box body is internally provided with a containing cavity;

the circuit board is arranged in the accommodating cavity, and a first heating element is connected to the circuit board;

the radiator is arranged on one side of the first heating element away from the circuit board; the heat sink includes:

a single-sided inflation sheet connected to the first heating element;

the inflation pipeline is arranged in the single-sided inflation plate and is a capillary pipeline;

the refrigerant loop is sequentially connected with the compressor, the indoor heat exchanger, the throttling element, the inflation pipeline and the outdoor heat exchanger.

The inflation pipeline in the radiator is arranged to be the capillary pipeline, so that the inflation pipeline can play a role in radiating and simultaneously playing a role in the capillary pipeline; the radiator comprises a single-sided inflation plate and inflation pipelines, so that the radiator is an integral part, and the assembly cost is saved.

According to the embodiment of the disclosure, the cross-sectional area of the inflation pipeline is smaller than or equal to the cross-sectional area of the capillary pipeline with the diameter of 5mm, so that the medium-temperature high-pressure liquid refrigerant from the outdoor heat exchanger can be throttled to become a low-temperature low-pressure gas-liquid mixed refrigerant and then enter the indoor heat exchanger.

According to an embodiment of the present disclosure, the single-sided inflation sheet includes:

the connecting end is arranged at one end of the single-sided inflation plate, which is close to the first heating element, and is connected with the first heating element;

and the inflation end is arranged at one end of the single-sided inflation plate, which is far away from the first heating element, and the end part of the inflation end, which is far away from the connecting end, is provided with an inflation bulge.

The connecting end and the inflation end are arranged, the connecting end is connected with the first heating element, the first heating element is guaranteed to be installed on a plane, the requirement of the first heating element on the installation surface can be met, the first heating element is guaranteed to be in close contact with the connecting end, and the contact thermal resistance between the connecting end and the first heating element is reduced.

According to the embodiment of the disclosure, the vertical distance between one side of the inflation pipeline, which is close to the connecting end, and the connecting end is greater than or equal to 3mm, so that a certain thickness is arranged between the connecting ends of the inflation pipeline, and the inflation pipeline can have enough thickness to ensure the effective pitch of the screw and resist the impact of instantaneous thermal load.

According to an embodiment of the present disclosure, the inflation line includes:

the main inflation pipelines are provided with a plurality of single-sided inflation plates and are arranged in parallel at intervals, and the main inflation pipelines are arranged along the length direction of the single-sided inflation plates;

connect the inflation pipeline, have a plurality ofly and connect the same end at two adjacent main inflation pipelines, the design of convenient inflation pipeline avoids buckling too much and causes inflation pressure too big for can form the inflation pipeline of unidirectional flow.

According to the embodiment of the disclosure, the inflation pipeline is provided with the first coolant inlet and outlet and the second coolant inlet and outlet, the first coolant inlet and outlet and the second coolant inlet and outlet are positioned at the same end of the single-side inflation plate and at one end arranged in the length direction of the single-side inflation plate, so that the arrangement positions of the first coolant inlet and outlet and the second coolant inlet and outlet are adapted to the arrangement direction of the single-side inflation plate, the main inflation pipeline is convenient to arrange, and overlarge inflation pressure caused by excessive bending is avoided.

According to the embodiment of the disclosure, the box body comprises a second box body, one end of the second box body is opened, the first heating element is arranged on one side, away from the opening end of the second box body, of the circuit board, the second box body is provided with a box body first side plate forming the opening of the second box body, the first cooling medium inlet and outlet and the second cooling medium inlet and outlet are formed in the single-side inflation plate towards one end of the box body first side plate, the circuit board and the first heating element are conveniently arranged, and the arrangement position of the radiator is matched with the first heating element.

According to the embodiment of the disclosure, the first side plate of the box body is provided with the first through hole, the first refrigerant inlet and outlet and the second refrigerant inlet and outlet are connected with the refrigerant connecting pipe, and the refrigerant connecting pipe penetrates out of the second box body through the first through hole, so that the inflation pipeline is conveniently connected with the outdoor heat exchanger and the throttling element.

According to the embodiment of the disclosure, the outdoor casing includes a casing second side plate disposed at a side portion of the outdoor casing, an outdoor air outlet is disposed on the casing second side plate, the first side plate of the box is located at a side, away from the casing second side plate, of the second box, a refrigerant pipe placing portion is disposed at an outer side of the first side plate of the box, and the refrigerant connecting pipe is disposed in the refrigerant pipe placing portion, so that the refrigerant connecting pipe is convenient to fix.

According to the embodiment of the disclosure, the open end of the second box body faces the casing top plate, the refrigerant pipe placing part is a placing groove, the top and two side ends of the placing groove are open, and the top opening of the placing groove faces the casing top plate, so that the placing groove is simple in structure and convenient to set.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a structure of a conventional air conditioner;

FIG. 2 is a schematic diagram of a refrigerant circuit according to an embodiment of the present application;

fig. 3 is a front view of an air conditioner outdoor unit according to an embodiment of the present application;

fig. 4 is a perspective view of an air conditioner outdoor unit according to an embodiment of the present application;

fig. 5 is a perspective view of another view of an outdoor unit of an air conditioner according to an embodiment of the present application;

fig. 6 is a partial structural schematic view of an outdoor unit of an air conditioner according to an embodiment of the present application;

fig. 7 is a partial structural schematic view of an air conditioner outdoor unit according to an embodiment of the present application at another view angle;

fig. 8 is a schematic structural view of an electrical box according to an embodiment of the present application;

fig. 9 is an exploded view of an electrical box according to an embodiment of the present application;

fig. 10 is an exploded view of a partial structure of an electrical box according to an embodiment of the present application;

fig. 11 is a bottom view of a partial structure of an electrical box according to an embodiment of the present application;

FIG. 12 is a block diagram of a second cartridge according to an embodiment of the present application;

fig. 13 is a structural diagram of a heat sink according to an embodiment of the present application;

FIG. 14 is another block diagram of a heat sink according to an embodiment of the present application;

fig. 15 is a side view of a heat sink according to an embodiment of the present application.

In the above figures:

an air conditioner 100; an air conditioner outdoor unit 10; an air conditioning indoor unit 20; an indoor heat exchanger 201; an outdoor casing 1; a housing top plate 101; a chassis base 102; a housing first side plate 103; a housing second side plate 104; a housing third side plate 105; a housing fourth side plate 106; a housing space 11; a fan chamber 111; a press cavity 112; an outdoor air inlet 12; an outdoor air port 13; an outdoor fan 31; an outdoor fan 311; an outdoor motor 312; an outdoor heat exchanger 32; a first stage heat exchanger 321; a second stage heat exchanger 322; a throttle valve 33; a refrigerant connection pipe 34; a compressor 35; a middle separator 41; a step surface 411; an electrical box 5; a case 51; a housing chamber 511; a first accommodating chamber 5111; a second accommodating chamber 5112; a third accommodating chamber 5113; a first cassette 512; a second cassette 513; a case first side plate 5131; a first through hole 5132; a refrigerant tube placement portion 5133; a first end plate 5134; a second end plate 5135; a third end plate 5136; a circuit board 52; a first heating element 53; a heat sink 54; a single-sided inflation sheet 541; a connection end 5411; a inflation end 5412; inflation bulge 5413; inflation line 542; a main inflation line 5421; connecting an inflation line 5422; a refrigerant first inlet/outlet 5423; a refrigerant second inlet/outlet 5424; a second heating element 55; a fan bracket 61.

Detailed Description

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

The present application proposes an air conditioning outdoor unit 10, and the following describes the air conditioning outdoor unit with reference to fig. 1 to 15. Referring to fig. 1, an air conditioner outdoor unit 10 is a part of an air conditioner 100, and the air conditioner 100 further includes an air conditioner indoor unit 20.

Referring to fig. 2 to 5, the air conditioner outdoor unit 10 includes an outdoor housing 1, an outdoor fan 31, an outdoor heat exchanger 32, and a compressor 35. An accommodating space 11 is provided in the outdoor unit casing 1, wherein an outdoor fan 31, an outdoor heat exchanger 32, and a compressor are provided in the accommodating space 11.

Referring to fig. 2 to 5, the air conditioner outdoor unit 10 further includes a middle partition plate 41, the middle partition plate 41 is disposed in the accommodating space 11, the middle partition plate 41 divides the accommodating space into a fan chamber 111 and a compressor chamber 112, wherein the outdoor fan 31 is disposed in the fan chamber 111, and the compressor is disposed in the compressor chamber 112.

Referring to fig. 2 to 5, an outdoor air inlet 12 and an outdoor air outlet 13 are provided on the outdoor housing 1, wherein the outdoor air inlet 12 and the outdoor air outlet are both communicated with a fan chamber 111, an outdoor heat exchanger is provided on the inner side of the outdoor air inlet, and an outdoor fan is provided on the side of the outdoor heat exchanger away from the outdoor air inlet.

Referring to fig. 2 to 5, the outdoor unit casing 1 includes a casing top plate 101, a casing bottom plate 102, a casing first side plate 103, a casing second side plate 104, a casing third side plate 105, and a casing fourth side plate 106. The top of the shell is arranged on the shell, the shell bottom plate is arranged on the bottom of the shell, and the shell top plate and the shell bottom plate are arranged oppositely. The first side plate 103, the second side plate 104, the third side plate 105 and the fourth side plate 106 are arranged on the side of the casing, wherein the first side plate 103 and the second side plate are arranged oppositely, and the third side plate 105 and the fourth side plate 106 are arranged oppositely.

It should be noted that, one side of the housing where the housing first side plate 103 is disposed may be a rear side of the housing, one side of the housing where the housing second side plate is disposed may be a front side of the housing, one side of the housing where the housing third side plate is disposed may be a left side of the housing, and one side of the housing where the housing fourth side plate is disposed may be a right side of the housing.

The outdoor air outlet may be disposed on the second side plate 104 of the casing. The outdoor air inlet is arranged on the first side plate of the shell, or the outdoor air inlet is arranged on the first side plate of the shell, the third side plate of the shell or the fourth side plate of the shell.

Referring to fig. 2 to 5, when the outdoor air inlet is provided on the first side plate of the casing and the third side plate of the casing or the fourth side plate of the casing, the outdoor heat exchanger includes a first heat exchanger 321 provided on the inner side of the first side plate of the casing and a second heat exchanger 322 provided on the inner side of the third side plate of the casing or the fourth side plate of the casing.

Wherein, be the contained angle setting between first section heat exchanger and the second section heat exchanger and smooth transition between first section heat exchanger and the second section heat exchanger, specifically, the contained angle between first section heat exchanger and the second section heat exchanger can be the right angle.

The air conditioner indoor unit includes an indoor housing, an indoor fan and an indoor heat exchanger 201. The indoor shell is provided with a heat exchange air inlet and a heat exchange air outlet, and the outdoor shell is internally provided with a heat exchange air channel which is communicated with the heat exchange air inlet and the heat exchange air outlet.

The indoor heat exchanger is arranged in the heat exchange air duct, is arranged at the heat exchange air inlet and is positioned at the inner side of the heat exchange air inlet, and is used for exchanging heat with air entering the heat exchange air duct.

The indoor fan is arranged in the heat exchange air duct and is used for providing power for the flowing of air, under the driving of the indoor fan, the indoor air enters the heat exchange air duct through the heat exchange air inlet, the air entering the heat exchange air duct exchanges heat with the indoor heat exchanger at the indoor heat exchanger, and the air after heat exchange flows out of the heat exchange air duct through the heat exchange air outlet.

The compressor is arranged in the compressor cavity, compresses the refrigerant gas in a low-temperature low-pressure state and discharges the refrigerant gas in a high-temperature high-pressure state.

In both the indoor heat exchanger and the outdoor heat exchanger, one of them is a condenser and the other is an evaporator, the condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process, and the evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled by utilizing latent heat of evaporation of the refrigerant.

Referring to fig. 6 to 11, the air conditioner outdoor unit 10 further includes an electrical box 5, and the electrical box 5 is disposed in the receiving space 11. Wherein the electrical box 5 can be arranged in the press cavity or across the press cavity and the fan cavity.

Referring to fig. 6 to 11, the electrical box 5 includes a box body 51, and a receiving chamber 511 is provided in the box body 51. The electrical box 5 further comprises a circuit board 52, the circuit board 52 is arranged in the accommodating cavity 511, and the circuit board 52 is connected with a first heating element 53.

Because the first heating element 53 is easy to generate a large amount of heat during operation, when the temperature of the electronic component is higher, the normal use of the compressor is affected, and in general, the compressor is reduced in frequency or stopped, so that the stability of the outdoor unit of the air conditioner is seriously affected, and therefore, the first heating element needs to be radiated, in the application, the electrical box 5 further comprises a radiator 54, and the radiator 54 is used for radiating heat for the electrical box and the first heating element 53 therein.

Referring to fig. 6 to 11, the first heating element 53 may be provided at one side of the circuit board 52. The heat sink is provided on a side of the first heating element 53 remote from the circuit board 52.

Referring to fig. 13-15, the heat sink 54 includes a single-sided inflation plate 541 and an inflation tube 542, wherein the single-sided inflation plate 541 is connected to the heating element 53, and the inflation tube 542 is disposed in the single-sided inflation plate 541, and the inflation tube is a capillary tube.

Referring to fig. 2, the air conditioner further includes a throttle 33 for throttling. And the air conditioner further comprises a refrigerant loop, and the refrigerant loop is sequentially connected with the compressor, the indoor heat exchanger, the throttling element, the inflation pipeline and the outdoor heat exchanger. The first heating element is cooled by an air conditioner refrigerant circuit and a radiator, wherein the throttling element can be a throttle valve.

The cross section area of the inflation pipeline is smaller than or equal to the cross section area of the capillary pipeline with the diameter of 5mm, so that the inflation pipeline can replace the capillary pipeline in the air conditioner, has a throttling function, can throttle the medium-temperature high-pressure liquid refrigerant from the outdoor heat exchanger, becomes a low-temperature low-pressure gas-liquid mixed refrigerant and then enters the indoor heat exchanger. In general, the cross-sectional profile of the inflation line is a non-circular profile, wherein the cross-sectional profile of the inflation line is a profiled profile.

Referring to fig. 13 to 15, the single-sided inflation sheet 541 includes a connection end 5411 and an inflation end 5412. The connection end 5411 is disposed at one end of the single-sided expansion plate near the first heating element, and is connected to the first heating element. The inflation end 5412 is arranged at one end of the single-sided inflation plate far away from the first heating element, and the end of the inflation end far away from the connecting end is provided with an inflation bulge 5413. The connecting end and the inflation end are arranged, the connecting end is connected with the first heating element, the first heating element is ensured to be installed on a plane, the requirement of the first heating element on the installation surface can be met, the tight contact between the first heating element and the connecting end is ensured, and the contact thermal resistance between the connecting end and the first heating element is reduced

The vertical distance between one side of the inflation pipeline near the connecting end and the connecting end is greater than or equal to 3mm, the first heating element is conveniently connected with the single-sided inflation plate, specifically, when the first heating element is required to be fixed on the single-sided inflation plate through a screw, the vertical distance between one side of the inflation pipeline near the connecting end and the connecting end is greater than or equal to 3mm, the effective screw pitch of the screw can be ensured by sufficient thickness, and meanwhile, the inflation pipeline has a certain thickness between the connecting ends, and the impact of instantaneous thermal load can be resisted.

The surface of the single-sided expansion plate is connected with the first heating element, the planeness of the surface of the single-sided expansion plate connected with the first heating element is not less than 0.1, the planeness is not less than 0.1, the requirement of the first heating element on the planeness of the installation surface can be met, the tight contact between the first heating element and the single-sided expansion plate is ensured, and the contact thermal resistance between the single-sided expansion plate and the first heating element is reduced.

The pressure resistance of the expansion pipeline is not lower than 4.3MPa, so that the expansion pipeline is safe.

Referring to fig. 13-15, the inflation line 542 includes a main inflation line 5421 and a connection inflation line 5422, wherein the main inflation line has a plurality of main inflation lines which are arranged at intervals and in parallel, and the main inflation line is arranged along the length direction of the single-sided inflation panel. The connecting expansion pipelines are provided with a plurality of connecting expansion pipelines, the connecting expansion pipelines are connected to the same ends of two adjacent main expansion pipelines, the design of the expansion pipelines is convenient, the expansion pipelines with overlarge expansion pressure caused by overlarge bending is avoided, the expansion pipelines with unidirectional flow can be formed, the normal flow of refrigerants is ensured, the extending direction of the connecting expansion pipelines can be arc-shaped, and when the ends of the two main expansion pipelines connected with the connecting expansion pipelines are aligned, the connecting expansion pipelines are semicircular. Of course, as other possible embodiments, the main inflation line may also be disposed along the width direction of the single-sided inflation panel.

Referring to fig. 13-15, the inflation pipeline 542 has a first coolant inlet 5423 and a second coolant inlet 5424, where the first coolant inlet 5423 and the second coolant inlet 5424 are located at the same end of the single-sided inflation plate, and specifically, the first coolant inlet 5423 and the second coolant inlet 5424 are located at one end of the single-sided inflation plate that is set in the length direction, so that the setting positions of the first coolant inlet and the second coolant inlet and outlet are adapted to the setting direction of the single-sided inflation plate, which is convenient for setting the main inflation pipeline, and avoids overlarge inflation pressure caused by excessive bending.

Referring to fig. 9-12, in some embodiments of the present application, the case 51 may include a second case 513, where an end of the second case 513 is open, a receiving cavity is disposed in the second case, the circuit board 52 is disposed in the receiving cavity, and the first heating element is disposed on a side of the circuit board away from the open end of the second case.

The second box body is provided with a box body first side plate 5131, a box body second side plate, a box body third side plate and a box body fourth side plate which form a second box body opening, wherein the box body first side plate and the box body second side plate are oppositely arranged, and the box body third side plate and the box body fourth side plate are oppositely arranged.

Referring to fig. 9-12, the first refrigerant inlet 5423 and the second refrigerant inlet 5424 are located at one end of the single-sided inflation plate facing the first side plate of the box body, so that the circuit board and the first heating element are convenient to set, the setting position of the radiator is matched with the first heating element, and the first through hole 5132 is formed in the first side plate of the box body.

The first access and the second access of refrigerant are connected with refrigerant connecting pipe 34, and refrigerant connecting pipe is worn out the second box body by first perforation, and refrigerant connecting pipe is connected with outdoor heat exchanger or choke valve.

In some embodiments of the present application, the first side plate 5131 of the box body is located at a side of the second box body away from the second side plate of the casing, and the first side plate of the box body is located at a side of the second box body close to the first side plate of the casing, and the outer side of the first side plate of the box body is provided with a refrigerant pipe placing portion 5133, and the refrigerant connecting pipe is located in the refrigerant pipe placing portion, so as to fix the refrigerant connecting pipe conveniently.

The opening end of the second box body can face the top plate of the casing, and specifically, the second box body can be horizontally arranged.

The refrigerant pipe placing part can be a placing groove, the placing groove is simple in structure and convenient to set, wherein three openings of the placing groove can be side openings at the same time, and the three openings face the first side plate of the shell, the third side plate of the shell and the fourth side plate of the shell respectively. The three side openings of the placing groove can be a top opening and two side end openings, wherein the top opening faces the top plate of the shell, and the two side end openings face the third side plate of the shell and the fourth side plate of the shell respectively.

Specifically, when the open-top of standing groove is towards the casing roof, the second box body still includes the bending plate that is located the box body first side board outside, and the bending plate is connected with the lateral wall of box body first side board and is formed the standing groove that is located between first bending plate and the box body first side board.

In some embodiments of the present application, referring to fig. 9-12, when the open end of the second box is oriented toward the top plate of the chassis, the box may further comprise a first box 512 that is snapped onto the open end of the second box. The first heating element can be arranged on one side of the circuit board far away from the first box body.

The outer wall of the second box body is provided with a third connecting part, the first box body is provided with a fourth connecting part, and the second box body is connected with the first box body through the third connecting part and the fourth connecting part.

The first box body comprises a first box body top plate arranged outside the opening end of the second box body and a first box body side plate arranged on one side of the first box body top plate close to the opening end of the second box body, wherein the first box body side plate is provided with four outer edge parts and is arranged on the outer edge part of the first box body top plate in a surrounding mode.

The first box body side plate is provided with a fourth connecting part, one of the fourth connecting part and the third connecting part is a clamping hole, and the other is a clamping protrusion. As an implementation manner, the third connecting portion is a clamping protrusion, and the fourth connecting portion is a clamping hole.

In some embodiments of the present application, referring to fig. 9-12, the bottom end of the middle partition is connected to the chassis floor, and the middle partition is disposed non-horizontally. Specifically, the middle partition plate may be vertically disposed, and divides the accommodating space into a fan chamber 111 and a press chamber 112 disposed in parallel in the horizontal direction.

The electrical box 5 is located in the press cavity or across the press cavity and the fan cavity. Wherein, electrical apparatus box can set up in the one end that the middle baffle is close to the casing roof, and at this moment, the open end of second box body can be towards the casing roof. Specifically, the top of middle baffle is equipped with step face 411, and the electrical apparatus box is located on the step face, and fan chamber and press intracavity are located respectively at the both ends that the electrical apparatus box set up relatively, and wherein, the fan intracavity is located to the radiator.

Referring to fig. 9-12, a first end plate 5134 is disposed at one end of the second box body, which is disposed in the press cavity, and a second end plate 5135 disposed opposite to the first end plate and located at one side of the first end plate, which is close to the radiator, is disposed in the press cavity, and the second end plate is disposed in the fan cavity.

Referring to fig. 9 to 12, the accommodating chamber 511 includes a first accommodating chamber 5111 and a second accommodating chamber 5112, the first accommodating chamber 5111 is disposed between the first end plate 5132 and the second end plate 5135, the second accommodating chamber 5112 is disposed on a side of the first accommodating chamber 5111 near the open end of the second case, and the circuit board is disposed in the second accommodating chamber, so as to protect the circuit board.

Referring to fig. 9 to 12, the second case further includes a third end plate 5136, the third end plate 5136 is disposed at an opposite side of the first end plate and is located at a side of the second end plate away from the first end plate, the third end plate may be disposed in the fan chamber, and the second receiving chamber is located between the first end plate and the third end plate.

Referring to fig. 9-12, the accommodating chamber further includes a third accommodating chamber 5113 provided at a side of the first accommodating chamber remote from the first end plate and at a side of the second accommodating chamber remote from the open end of the second case, and the heat sink is provided in the third accommodating chamber.

The third end plate and the first end plate are located at two sides of the second accommodating cavity, and the third end plate is located at two sides of the third accommodating cavity, wherein the third end plate is located at two sides of the second accommodating cavity, and the third end plate is located at one side of the second accommodating cavity.

In some embodiments of the present application, a side of the top plate of the middle partition plate, which is close to the first side plate of the casing, is provided with a first connection portion connected with the second box body, and the first connection portion is connected with a second connection portion on the second box body.

In some embodiments of the present application, the first side plate of the case and the second side plate of the case are respectively provided with a clamping protrusion, and the circuit board is clamped on one side of the clamping protrusion away from the opening end of the second case.

All be provided with circuit board supporting rib on box body first curb plate and the box body second curb plate, the circuit board sets up on circuit board supporting rib for circuit board supporting rib plays the supporting role to the circuit board.

The junction of first end plate and box body first curb plate and box body second curb plate all is equipped with the brace table, and the circuit board sets up on the brace table to, the circuit board is connected with the brace table, wherein, can be through the screw with circuit board and brace table connection.

In some embodiments of the present application, referring to fig. 9-12, the circuit board has a plurality of first heating elements and a plurality of second heating elements 55, where the first heating elements are connected to the heat sink, the second heating elements are not connected to the heat sink, and the second heating elements are located in the second accommodating cavity or penetrate out of the second accommodating cavity and extend into the first accommodating cavity.

The first heating element connected to the heat sink may include a rectifier bridge, a second diode, an IGBT, and an IPM.

The first heating element connected to the heat sink may be connected using a thermally conductive pad or a silicone grease layer. The rectifier bridge is connected with the IPM through a silicone grease layer, and the diode is connected with the IGBT through a heat conduction gasket.

In some embodiments of the present application, the opening of the second box may be towards the side of the casing, wherein the second box may be arranged vertically such that the heating plate is also arranged vertically, wherein when the second box is arranged vertically, the open end of the second box may not be provided with the first box such that the open end of the second box is open.

Wherein, part or all of the second heating element can be arranged at the opposite side of the circuit board where the first heating element is arranged.

In some embodiments of the present application, referring to fig. 6 and 7, the outdoor fan includes an outdoor fan 311 and an outdoor motor 312, the air conditioner outdoor unit further includes a fan bracket 61, wherein the fan bracket is fixedly disposed on the chassis base plate, the outdoor motor is fixedly disposed on the motor bracket, the outdoor fan is connected with the outdoor motor, wherein the outdoor motor is disposed below the radiator, and the radiator is disposed at one side of a fan blade of the outdoor fan.

The fan support comprises a first support rod and a second support plate, wherein the bottom ends of the first support rod and the second support rod are connected with the bottom plate of the casing. Specifically, the first support rod and the second support rod are vertically arranged, and the first support rod and the second support rod are connected.

One side of the first support rod, which is close to the first side plate of the shell, is provided with a first fixing plate, one side of the second support rod, which is close to the first side plate of the shell, is provided with a second fixing plate, the outdoor motor is fixedly arranged between the first fixing plate and the second fixing plate, and the connection part of the first fixing plate and the second fixing plate with the outdoor motor is arc-shaped and the radian of the connection part is matched with the appearance of the outdoor motor.

The top end of the fan bracket is also provided with a heat exchanger fixing piece connected with the outdoor heat exchanger, so that the effect of further fixing the outdoor heat exchanger can be achieved.

The bottom plate of the shell is provided with the bulge, the fan support is arranged on the bulge, the possibility that the bottom end of the fan support is soaked in condensed water on the bottom plate of the shell can be reduced, and the strength of the bottom end of the fan support is improved.

In some embodiments of the application, the third holds the chamber and has the third holds the chamber bottom plate, first holds the chamber and has the first chamber bottom plate that holds, when the open end of second box body is towards the casing roof, the third holds the chamber bottom plate and is located the top that the second held the chamber bottom plate, can hold chamber bottom in the third and produce and dodge the space for outdoor fan's optional size range is bigger, avoids because outdoor fan size increase to the increase of outdoor casing, can practice thrift the space, the space in the abundant outdoor casing.

In the description of the present utility model, it should 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 the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, 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, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. An air conditioner, comprising:

an indoor casing, a cover, a,

the indoor heat exchanger is arranged in the indoor shell;

an outdoor housing having a receiving space therein;

the compressor is arranged in the press cavity;

an outdoor heat exchanger is arranged on the outside of the heat exchanger,

the fan is arranged in the fan cavity;

a throttle member;

a refrigerant circuit;

the box body is internally provided with a containing cavity;

a single-sided inflation sheet connected to the first heating element;

2. An air conditioner according to claim 1, wherein the cross-sectional area of the inflation line is equal to or less than the cross-sectional area of a capillary line having a diameter of 5 mm.

3. The air conditioner of claim 1, wherein the single-sided inflation panel comprises:

4. An air conditioner according to claim 3, wherein the vertical distance between the side of the expansion pipe close to the connection end and the connection end is 3mm or more.

5. The air conditioner of claim 1, wherein the blowing pipe comprises:

the connecting inflation pipeline is provided with a plurality of same ends which are connected with two adjacent main inflation pipelines.

6. The air conditioner of claim 5, wherein the expansion pipe has a first coolant inlet and a second coolant inlet and outlet, the first coolant inlet and outlet and the second coolant inlet and outlet being located at the same end of the single-sided expansion plate and at one end of the single-sided expansion plate that is disposed in a length direction thereof.

7. The air conditioner of claim 6, wherein the case includes a second case, an end of the second case is open, the first heating element is disposed on a side of the circuit board away from the open end of the second case, the second case has a case first side plate forming the second case opening, and the first refrigerant inlet and outlet and the second refrigerant inlet and the second refrigerant outlet are disposed on an end of the single-sided inflation plate facing the first side plate of the case.

8. The air conditioner as set forth in claim 7, wherein said first side plate of said case has a first through hole, said first refrigerant inlet and outlet and said second refrigerant inlet and outlet are connected with refrigerant connection pipes, said refrigerant connection pipes passing through said second case from said first through hole.

9. The air conditioner of claim 8, wherein the outdoor housing comprises a housing second side plate disposed at a side portion thereof, an outdoor air outlet is disposed on the housing second side plate, the first side plate of the box is disposed at a side of the second box away from the housing second side plate, a refrigerant pipe placement portion is disposed at an outer side of the first side plate of the box, and the refrigerant connection pipe is disposed in the refrigerant pipe placement portion.

10. The air conditioner as claimed in claim 9, wherein the open end of the second case is directed toward the cabinet top plate, the refrigerant pipe placement part is a placement groove, the top and both side ends of the placement groove are open, and the top opening of the placement groove is directed toward the cabinet top plate.