CN216636083U

CN216636083U - Valve body integrated module, heat pump air conditioner and vehicle

Info

Publication number: CN216636083U
Application number: CN202220125178.9U
Authority: CN
Inventors: 高杰; 甄飞; 朱冒冒; 黄海圣; 马康康; 颜远胜
Original assignee: Weilai Automobile Technology Anhui Co Ltd
Current assignee: Weilai Automobile Technology Anhui Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-05-31
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to a valve body integration module, a heat pump air conditioner and a vehicle, wherein the valve body integration module comprises a first pipeline, a second pipeline and a third pipeline, the first end of the first pipeline is connected with the third pipeline, the first end of the second pipeline is connected with the third pipeline, a first switch is arranged on the second pipeline, a second switch is arranged between the joint of the first end of the second pipeline and the third pipeline and the joint of the first end of the first pipeline and the third pipeline, a third switch is further arranged on the third pipeline, the valve body integration module further comprises a fourth pipeline, a fifth pipeline and a sixth pipeline, the first end of the fourth pipeline is connected with the second end of the fifth pipeline, the first end of the fifth pipeline is connected with the second end of the fourth pipeline, and the first end of the sixth pipeline is connected with the fourth pipeline. The utility model improves the whole air-conditioning refrigerant loop system through the connection mode, so that the system loop arrangement is more simplified and more reasonable, and the assembly efficiency is improved.

Description

Valve body integrated module, heat pump air conditioner and vehicle

Technical Field

The utility model relates to the technical field of automobile heat pump air conditioners, in particular to a valve body integrated module, a heat pump air conditioner and a vehicle.

Background

At the present stage, the high-speed development of the automobile industry drives the requirements of all systems of the automobile to be greatly expanded, wherein the systems comprise a heat pump air conditioning system. However, with the increasing policies of consumption upgrading and energy conservation and emission reduction, the development and the improvement of the automobile air conditioning technology are promoted, the automobile air conditioning system is only used for refrigerating, heating and defrosting in a passenger compartment, and also has the functions of battery cooling, motor waste heat recovery and the like, and relates to the field of the battery heat management part of the new energy vehicle. With the rapid development of new energy vehicles, the advantages and disadvantages of different air conditioning systems can also affect the distribution of the electric quantity of a battery and the driving mileage, and under the development situation of a new automobile market, the automobile air conditioning system and the scheme face a new round of upgrading and changing.

As a new technology on automobiles, the heat pump air conditioner of an automobile is concerned by the automobile industry and the attention of the whole world, and the heat pump air conditioning system is an important component of the automobile and can change the temperature environment in the automobile so as to enable drivers and passengers to obtain good driving experience. The existing heat pump air conditioning system uses various components including but not limited to electronic expansion valve, electromagnetic expansion valve, check valve, liquid storage drying tank and temperature and pressure sensor, and the various components are generally distributed and independently installed in the pipeline. So set up not only to lead to the pipeline structure in the heat pump air conditioning system complicated, the assembly is loaded down with trivial details, and weight is big, is unfavorable for car platform ization design, and more pipeline design is with high costs, arranges easily in a jumble, difficult later stage maintenance.

Therefore, how to provide a valve body integrated module, a heat pump air conditioner and a vehicle to realize the simplification of the whole air conditioner refrigerant circuit system, reduce the weight cost, reduce the total assembly man-hour, improve the working efficiency and rationalize the arrangement of the air conditioner pipelines in the cabin is a technical problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve body integration module, a heat pump air conditioner and a vehicle, and aims to solve the technical problems that in the prior art, an electric automobile heat pump air conditioning system is complex in pipeline arrangement, complex in assembly, low in efficiency and unreasonable in-cabin air conditioning pipeline arrangement.

The technical scheme provided by the utility model is as follows:

a valve body integrated module, comprising: the first end of the first pipeline is connected with the third pipeline, the first end of the second pipeline is connected with the third pipeline, a first switch is arranged on the second pipeline, a second switch is arranged between the joint of the first end of the second pipeline and the third pipeline and the joint of the first end of the first pipeline and the third pipeline, and a third switch is also arranged on the third pipeline;

the valve body integrated module further includes: the first end of the fourth pipeline is connected with the second end of the fifth pipeline, the first end of the fifth pipeline is connected with the second end of the fourth pipeline, and the first end of the sixth pipeline is connected with the fourth pipeline.

In some embodiments, a first check valve is disposed on the fourth line between a junction of the first end of the fifth line and the fourth line and a junction of the first end of the sixth line and the fourth line, and a second check valve is disposed on the sixth line.

In some embodiments, a receiver-drier tank is further disposed on the fourth pipeline, and the receiver-drier tank is located between a connection of the first end of the sixth pipeline and the fourth pipeline and a connection of the first end of the fourth pipeline and the fifth pipeline.

In some embodiments, an electronic expansion valve is disposed on the fifth pipeline between a junction of the first end of the fourth pipeline and the fifth pipeline and a junction of the first end of the fifth pipeline and the fourth pipeline.

In some embodiments, a temperature and pressure sensor is further disposed on the second pipeline, and the temperature and pressure sensor is located at one end of the first switch.

In some embodiments, the first switch is a first solenoid valve, the second switch is a second solenoid valve, and the third switch is a third solenoid valve.

In some embodiments, the valve body integration module further comprises: the casing, first pipeline, second pipeline, third pipeline, fourth pipeline, fifth pipeline and sixth pipeline set up in the casing be provided with a plurality of through-holes on the casing, first pipeline, second pipeline, third pipeline, fourth pipeline, fifth pipeline and sixth pipeline correspond respectively and communicate a plurality ofly the through-hole.

In some embodiments, the present invention further provides a heat pump air conditioner, wherein the valve body integration module described in any one of the above embodiments is disposed on the heat pump air conditioner, and the heat pump air conditioner includes: the heat pump air conditioner comprises a compressor, an evaporator, a battery cooler, a condenser, an external heat exchanger, a battery cooler electronic expansion valve and an electromagnetic expansion valve, wherein the operation mode of the heat pump air conditioner is switched by controlling the opening and closing of the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve.

In some embodiments, the heat pump air conditioner further comprises a seventh pipeline and an eighth pipeline, wherein the first ends of the seventh pipeline and the eighth pipeline are both connected with the second end of the fifth pipeline, and the second ends of the seventh pipeline and the eighth pipeline are both connected with the second end of the first pipeline.

In some embodiments, the utility model also provides a vehicle comprising the heat pump air conditioner of any of the above embodiments.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a valve body integrated module, a heat pump air conditioner and a vehicle, wherein the valve body integrated module comprises: the first pipeline, second pipeline and third pipeline, the first end and the third tube coupling of first pipeline, the first end and the third tube coupling of second pipeline are provided with first switch on the second pipeline, be provided with the second switch between the junction of the first end and the third pipeline of second pipeline and the junction of the first end and the third pipeline of first pipeline, still be provided with the third switch valve body integrated module on the third pipeline, the valve body integrated module still includes: the first end of the fourth pipeline is connected with the second end of the fifth pipeline, the first end of the fifth pipeline is connected with the second end of the fourth pipeline, and the first end of the sixth pipeline is connected with the fourth pipeline. According to the valve body integrated module, the heat pump air conditioner and the vehicle, the whole air conditioner refrigerant loop system is improved through the connection mode, so that the loop system is simplified and rationalized, and the assembly efficiency is improved.

Drawings

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

FIG. 1 is a schematic structural diagram of a valve body integrated module according to an embodiment of the present invention;

FIG. 2 is a schematic structural change diagram of a valve body integrated module according to an embodiment of the present invention;

reference numerals: 1-a first solenoid valve; 2-a second solenoid valve; 3-a third electromagnetic valve; 4-liquid storage drying tank; 5-an electronic expansion valve; 6-a first non-return valve; 7-a second non-return valve; 8-temperature pressure sensor; 9-a compressor; 10-an evaporator; 11-a battery cooler; 12-a condenser; 13-an external heat exchanger; 14-battery cooler electronic expansion valve; 15-an electromagnetic expansion valve; 16-compressor outlet; 17-compressor inlet/evaporator outlet/battery cooler inlet; 18-external heat exchanger inlet; 19-external heat exchanger outlet; 20-evaporator inlet/battery cooler inlet; 21-outlet of condenser; 22-condenser inlet; 23-a first conduit; 24-a second conduit; 25-a third line; 26-a fourth circuit; 27-a fifth pipeline; 28-sixth line; 29-seventh conduit; 30-eighth line.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The heat pump air-conditioning system of the electric automobile not only provides basic refrigeration, heating and defrosting, but also provides the functions of battery cooling, motor waste heat recovery and the like, so that the arrangement of an air-conditioning pipeline is complicated, and a plurality of electromagnetic expansion valves, electronic expansion valves, check valves, liquid storage drying tanks and temperature and pressure sensors need to be matched, so that the heat pump air-conditioning system is heavy in weight, high in cost, difficult to assemble and labor-consuming.

Aiming at the current situation, under the condition that the system principle is not changed, an integrated scheme is adopted, pipelines between a connecting valve and the valve and between the valve and a liquid storage drying tank are omitted, a valve body and a flow channel are formed in an extrusion, casting or machining mode, then the valve, the liquid storage drying tank and a pipeline interface are formed on the valve body in a machining mode, the valve, the liquid storage drying tank and the pipeline are assembled on the valve body, different refrigerant loops are provided by controlling the opening and closing of an electromagnetic valve, and different modes are provided.

It should be noted that, the process of the valve body includes, in addition to the manner of extrusion, casting or machining: extruding an aluminum profile and machining a flow channel and an interface; forging or casting aluminum, welding and machining a flow channel and an interface; and extruding aluminum profiles, forging or casting aluminum, welding, machining flow channels and interfaces.

The utility model provides a valve body integrated module, a heat pump air conditioner and a vehicle, please refer to fig. 1-2, please refer to fig. 1, the utility model provides a valve body integrated module, which comprises: the first end of the first pipeline 23 is connected with the third pipeline 25, the first end of the second pipeline 24 is connected with the third pipeline 25, a first switch is arranged on the second pipeline 24, a second switch is arranged between the connection position of the first end of the second pipeline 24 and the third pipeline 25 and the connection position of the first end of the first pipeline 23 and the third pipeline 25, and a third switch is also arranged on the third pipeline 25; in a preferred embodiment of the present invention, the valve body integration module further includes: a fourth pipeline 26, a fifth pipeline 27 and a sixth pipeline 28, wherein a first end of the fourth pipeline 26 is connected with a second end of the fifth pipeline 27, a first end of the fifth pipeline 27 is connected with a second end of the fourth pipeline 26, and a first end of the sixth pipeline 28 is connected with the fourth pipeline 26. The utility model improves the whole air conditioner refrigerant loop system through the connection mode, so that the loop system is more simplified and more reasonable, the weight and the cost are reduced, the total assembly time is reduced, and the assembly efficiency is improved.

In some embodiments of the present invention, a first non-return valve 6 is arranged on said fourth line 26, said first non-return valve 6 being located between the junction of the first end of said fifth line 27 with said fourth line 26 and the junction of the first end of said sixth line 28 with said fourth line 26, a second non-return valve 7 being arranged on said sixth line 28; a liquid storage drying tank 4 is further arranged on the fourth pipeline 26, and the liquid storage drying tank 4 is located between the connection position of the first end of the sixth pipeline 28 and the fourth pipeline 26 and the connection position of the first end of the fourth pipeline 26 and the fifth pipeline 27; an electronic expansion valve 5 is arranged on the fifth pipeline 27, and the electronic expansion valve 5 is located between the joint of the first end of the fourth pipeline 26 and the fifth pipeline 27 and the joint of the first end of the fifth pipeline 27 and the fourth pipeline 26; the second pipeline 24 is further provided with a temperature and pressure sensor 8, and the temperature and pressure sensor 8 is located at one end of the first switch. It will be appreciated that the first switch is a first solenoid valve 1, the second switch is a second solenoid valve 2 and the third switch is a third solenoid valve 3.

In some embodiments of the utility model, the valve body integrated module further comprises: the first pipeline 23, the second pipeline 24, the third pipeline 25, the fourth pipeline 26, the fifth pipeline 27 and the sixth pipeline 28 are arranged in the shell, a plurality of through holes are formed in the shell, and the first pipeline 23, the second pipeline 24, the third pipeline 25, the fourth pipeline 26, the fifth pipeline 27 and the sixth pipeline 28 are correspondingly communicated with the plurality of through holes respectively.

Referring to fig. 2, the present invention further provides a method for switching between different modes corresponding to different working modes, which specifically includes: the heat pump air conditioner comprises the valve body integration module in the embodiment. The heat pump air conditioner includes: the operation mode of the heat pump air conditioner is switched by controlling the opening and closing of the first electromagnetic valve 1, the second electromagnetic valve 2 and the third electromagnetic valve 3 through a compressor 9, an evaporator 10, a battery cooler 11, a condenser 12, an external heat exchanger 13, a battery cooler electronic expansion valve 14 and an electromagnetic expansion valve 15. Further, the heat pump air conditioner comprises a seventh pipeline 29 and an eighth pipeline 30, first ends of the seventh pipeline 29 and the eighth pipeline 30 are both connected with a second end of the fifth pipeline 27, and second ends of the seventh pipeline 29 and the eighth pipeline 30 are both connected with a second end of the first pipeline 23. The electromagnetic expansion valve 15 and the evaporator 10 are sequentially disposed on the seventh pipeline 29, and the battery cooler electronic expansion valve 14 and the battery cooler 11 are sequentially disposed on the eighth pipeline 30.

It is understood that a first end of the compressor 9 is connected to a second end of the first pipe 23, and a second end of the compressor 9 is connected to a second end of the second pipe 24; the condenser 12 is disposed between a first end of the third pipeline 25 and a second end of the sixth pipeline 28, and the external heat exchanger 13 is disposed between a second end of the third pipeline 25 and a second end of the fourth pipeline 26.

When the evaporator 10 is closed, the battery cooler 11 is opened, the electromagnetic expansion valve 15 is closed, the compressor 9 is opened, the first electromagnetic valve 1 is closed, the second electromagnetic valve 2 is opened, the third electromagnetic valve 3 is closed, the battery cooler electronic expansion valve 14 is opened and the electronic expansion valve 5 is closed, the compressor outlet 16, the second electromagnetic valve 2, the external heat exchanger inlet 18, the external heat exchanger 13, the external heat exchanger outlet 19, the first check valve 6, the liquid storage drying tank 4, the evaporator inlet/battery cooler inlet 20, the battery cooler electronic expansion valve 14, the battery cooler 11, the compressor inlet/evaporator outlet/battery cooler inlet 17 and the compressor 9 are sequentially communicated, so that the heat pump air conditioner operates in a refrigeration mode.

When the evaporator 10 is controlled to be opened, the battery cooler 11 is controlled to be opened/closed, the electromagnetic expansion valve 15 is controlled to be opened/closed, the compressor 9 is controlled to be opened, the first electromagnetic valve 1 is controlled to be closed, the second electromagnetic valve 2 is controlled to be opened, the third electromagnetic valve 3 is controlled to be closed, the battery cooler electronic expansion valve 14 is controlled to be opened/closed, and the electronic expansion valve 5 is controlled to be closed, the compressor outlet 16, the second electromagnetic valve 2, the external heat exchanger inlet 18, the external heat exchanger 13, the external heat exchanger outlet 19, the first check valve 6, the liquid storage drying tank 4, the evaporator inlet/battery cooler inlet 20, the electromagnetic expansion valve 15, the evaporator 10, the compressor inlet/evaporator outlet/battery cooler inlet 17 and the compressor 9 are sequentially communicated, so that the heat pump air conditioner operates in the demisting mode.

When the condenser 12 is controlled to be opened, the external heat exchanger 13 is controlled to be opened/closed, the battery cooler 11 is controlled to be opened/closed, the electromagnetic expansion valve 15 is controlled to be closed, the compressor 9 is controlled to be opened, the first electromagnetic valve 1 is controlled to be opened/closed, the second electromagnetic valve 2 is controlled to be closed, the third electromagnetic valve 3 is controlled to be opened/closed, the battery cooler electronic expansion valve 14 is controlled to be opened/closed, and the electronic expansion valve 5 is controlled to be opened/closed, the condenser outlet 16, the third electromagnetic valve 3, the condenser inlet 22, the condenser 12, the condenser outlet 21, the second check valve 7, the liquid storage drying tank 4, the electronic expansion valve 5, the external heat exchanger outlet 19, the external heat exchanger 13, the external heat exchanger inlet 18, the first electromagnetic valve 1, the temperature and pressure sensor 8, the compressor inlet/evaporator outlet/battery cooler inlet 17 and the compressor 9 are sequentially communicated; or the compressor outlet 16, the third electromagnetic valve 3, the condenser inlet 22, the condenser 12, the condenser outlet 21, the second check valve 7, the liquid storage drying tank 4, the evaporator inlet/battery cooler inlet 20, the battery cooler electronic expansion valve 14, the battery cooler 11, the compressor inlet/evaporator outlet/battery cooler inlet 17 and the compressor 9 are communicated in sequence, so that the heat pump air conditioner operates in a heating mode.

Detailed analysis on the different modes of operation is shown in the following table:

as can be seen from the table, No. 1), No. 2), and No. 3) correspond to cooling or cooling, defogging, and cooling, respectively, and the corresponding paths are the same, i.e., the compressor outlet 16 → the second solenoid valve 2 → the external heat exchanger inlet 18 → the external heat exchanger 13 → the external heat exchanger outlet 19 → the first non-return valve 6 → the liquid storage and drying tank 4 → the evaporator inlet/battery cooler inlet 20 → the electromagnetic expansion valve (for cooling before the evaporator) 15 → the evaporator 10 → the compressor inlet/evaporator outlet/battery cooler inlet 17 → the compressor 9, and only the opening and closing of the valve element in the pipeline is different.

When the function is in cooling or cooling and defogging, the valve has two corresponding modes, and the first mode is as follows: the evaporator 10 is opened, the battery cooler 11 is closed, namely the electromagnetic expansion valve 15 (used for refrigeration before the evaporator) is opened, the compressor 9 is opened, the first electromagnetic valve 1 is closed, the second electromagnetic valve 2 is opened, the third electromagnetic valve 3 is closed, the battery cooler electronic expansion valve 14 is closed, and the electronic expansion valve 5 is closed;

the second way is: the evaporator 10 is opened, the battery cooler 11 is opened, that is, the electromagnetic expansion valve 15 (used for refrigeration before the evaporator) is opened, the compressor 9 is opened, the first electromagnetic valve 1 is closed, the second electromagnetic valve 2 is opened, the third electromagnetic valve 3 is closed, the battery cooler electronic expansion valve 14 is opened, and the electronic expansion valve 5 is closed.

When the function is in cooling, the corresponding modes of the valve elements are that the evaporator 10 is closed, the battery cooler 11 is opened, that is, the electromagnetic expansion valve 15 (used for cooling before the evaporator) is closed, the compressor 9 is opened, the first electromagnetic valve 1 is closed, the second electromagnetic valve 2 is opened, the third electromagnetic valve 3 is closed, the battery cooler electronic expansion valve 14 is opened, and the electronic expansion valve 5 is closed.

As can be seen from the table, sequence number 4), sequence number 5), and sequence number 6), the corresponding paths are: sequence number 4) corresponds to two paths, which are respectively: compressor outlet 16 → third solenoid valve 3 → condenser inlet 22 → built-in condenser 12 → condenser outlet 21 → second non-return valve 7 → receiver tank 4 → electronic expansion valve 5 → external heat exchanger outlet 19 → external heat exchanger 13 → external heat exchanger inlet 18 → first solenoid valve 1 → temperature pressure sensor 8 → compressor inlet/evaporator outlet/battery cooler inlet 17 → compressor 9; and

compressor outlet 16 → third solenoid valve 3 → condenser inlet 22 → condenser 12 → built-in condenser outlet 21 → second non-return valve 7 → receiver tank 4 → evaporator inlet/battery cooler inlet 20 → battery cooler electronic expansion valve 14 → battery cooler 11 → compressor inlet/evaporator outlet/battery cooler inlet 17 → compressor 9.

Sequence number 5) the corresponding path is: the compressor outlet 16 → the third solenoid valve 3 → the condenser inlet 22 → the condenser 12 → the condenser outlet 21 → the second non-return valve 7 → the liquid storage tank 4 → the electronic expansion valve 5 → the external heat exchanger outlet 19 → the external heat exchanger 13 → the external heat exchanger inlet 18 → the first solenoid valve 1 → the temperature-pressure sensor 8 → the compressor inlet/the evaporator outlet/the battery cooler inlet 17 → the compressor 9.

Sequence number 6) the corresponding path is: compressor outlet 16 → third solenoid valve 3 → condenser inlet 22 → condenser 12 → condenser outlet 21 → second non-return valve 7 → receiver-drier tank 4 → evaporator inlet/battery cooler inlet 20 → battery cooler electronic expansion valve 14 → battery cooler 11 → compressor inlet/evaporator outlet/battery cooler inlet 17 → compressor 9.

The path is different, and the opening and closing of the valve piece in the corresponding pipeline are also different, and when the function is in heating, the valve piece has three corresponding modes, and the first mode is as follows: the method comprises the following steps that a built-in condenser 12 is opened, an external heat exchanger 13 is opened, and a battery cooler 11 is opened, namely an electromagnetic expansion valve 15 (used for refrigeration in front of an evaporator) is closed, a compressor 9 is opened, a first electromagnetic valve 1 is opened, a second electromagnetic valve 2 is closed, a third electromagnetic valve 3 is opened, an electronic expansion valve 14 of the battery cooler is opened, and an electronic expansion valve 5 is opened;

the second way is: the method comprises the following steps that a built-in condenser 12 is opened, an external heat exchanger 13 is opened, a battery cooler 11 is closed, namely an electromagnetic expansion valve 15 (used for refrigeration in front of an evaporator) is closed, a compressor 9 is opened, a first electromagnetic valve 1 is opened, a second electromagnetic valve 2 is closed, a third electromagnetic valve 3 is opened, an electronic expansion valve 14 of the battery cooler is closed, and an electronic expansion valve 5 is opened;

the third mode is as follows: the built-in condenser 12 is opened, the external heat exchanger 13 is closed, and the battery cooler 11 is closed, that is, the electromagnetic expansion valve 15 (used for refrigeration before the evaporator) is closed, the compressor 9 is opened, the first electromagnetic valve 1 is closed, the second electromagnetic valve 2 is closed, the third electromagnetic valve 3 is opened, the battery cooler electronic expansion valve 14 is opened, and the electronic expansion valve 5 is closed.

In another embodiment of the present invention, there is also provided a vehicle including the heat pump air conditioner described in the above embodiment.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; in addition, the orientations or positional relationships indicated by the "first end", "second end", and the like are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and those skilled in the art will appreciate that various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention is included in the scope of the claims of the present invention filed as filed.

Claims

1. A valve body integrated module, comprising: the pipeline device comprises a first pipeline (23), a second pipeline (24) and a third pipeline (25), wherein the first end of the first pipeline (23) is connected with the third pipeline (25), the first end of the second pipeline (24) is connected with the third pipeline (25), a first switch is arranged on the second pipeline (24), a second switch is arranged between the joint of the first end of the second pipeline (24) and the third pipeline (25) and the joint of the first end of the first pipeline (23) and the third pipeline (25), and a third switch is further arranged on the third pipeline (25);

the valve body integrated module further includes: the pipeline comprises a fourth pipeline (26), a fifth pipeline (27) and a sixth pipeline (28), wherein the first end of the fourth pipeline (26) is connected with the second end of the fifth pipeline (27), the first end of the fifth pipeline (27) is connected with the second end of the fourth pipeline (26), and the first end of the sixth pipeline (28) is connected with the fourth pipeline (26).

2. Valve body integrated module according to claim 1, characterised in that a first non-return valve (6) is arranged on the fourth line (26), the first non-return valve (6) being located between the junction of the first end of the fifth line (27) with the fourth line (26) and the junction of the first end of the sixth line (28) with the fourth line (26), a second non-return valve (7) being arranged on the sixth line (28).

3. The valve body integrated module according to claim 2, wherein a liquid storage and drying tank (4) is further arranged on the fourth pipeline (26), and the liquid storage and drying tank (4) is located between the connection position of the first end of the sixth pipeline (28) and the fourth pipeline (26) and the connection position of the first end of the fourth pipeline (26) and the fifth pipeline (27).

4. A valve body integrated module according to claim 3, wherein an electronic expansion valve (5) is arranged on the fifth pipeline (27), and the electronic expansion valve (5) is located between the connection of the first end of the fourth pipeline (26) and the fifth pipeline (27) and the connection of the first end of the fifth pipeline (27) and the fourth pipeline (26).

5. The valve body integrated module according to claim 1, wherein a temperature and pressure sensor (8) is further arranged on the second pipeline (24), and the temperature and pressure sensor (8) is positioned at one end of the first switch.

6. The valve body integrated module of any one of claims 1-5, further comprising: the pipeline device comprises a shell, wherein the first pipeline (23), the second pipeline (24), the third pipeline (25), the fourth pipeline (26), the fifth pipeline (27) and the sixth pipeline (28) are arranged in the shell, a plurality of through holes are formed in the shell, and the first pipeline (23), the second pipeline (24), the third pipeline (25), the fourth pipeline (26), the fifth pipeline (27) and the sixth pipeline (28) are respectively communicated with the plurality of through holes correspondingly.

7. A heat pump air conditioner provided with the valve body integration module of any one of claims 1 to 6, comprising: the heat pump air conditioner comprises a compressor (9), an evaporator (10), a battery cooler (11), a condenser (12), an external heat exchanger (13), a battery cooler electronic expansion valve (14) and an electromagnetic expansion valve (15), and the operation modes of the heat pump air conditioner are switched by controlling the opening and closing of the first switch, the second switch and the third switch.

8. The heat pump air conditioner according to claim 7, further comprising a seventh pipe (29) and an eighth pipe (30), wherein first ends of the seventh pipe (29) and the eighth pipe (30) are connected to a second end of the fifth pipe (27), and second ends of the seventh pipe (29) and the eighth pipe (30) are connected to a second end of the first pipe (23).

9. A vehicle characterized in that it comprises a heat pump air conditioner according to any one of claims 7 to 8.