CN210082870U

CN210082870U - Thermal management device of air conditioning system of electric automobile

Info

Publication number: CN210082870U
Application number: CN201822208846.0U
Authority: CN
Inventors: 吴海刚; 沈新军; 朱攀
Original assignee: Hangzhou Chenchuan Intelligent Control Technology Co Ltd
Current assignee: Hangzhou Chenchuan Intelligent Control Technology Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-02-18
Anticipated expiration: 2028-12-27

Abstract

The utility model discloses an electric automobile air conditioning system heat management device relates to electric motor car technical field. The air conditioner comprises a compressor, fixed mounting has the outlet duct on the gas outlet of compressor, fixed connection is in the desicator air inlet on the other end of outlet duct, fixed connection is in the condenser air inlet on the gas outlet of desicator, fixed mounting has first pipe on the gas outlet of condenser, fixed mounting has three solenoid valve on the outlet duct, three solenoid valve is linked together through connecting pipe and first pipe, another end fixed connection of first pipe is in first evaporimeter air inlet, the left surface fixed mounting of first evaporimeter has the air-blower. The utility model discloses an air conditioning system and battery heat management mechanism are linked together, can carry out temperature regulation to the battery, make the battery keep working under the temperature of preferred, save battery heat management mechanism simultaneously and need the battery provide the electric energy alone, have improved the duration of a journey ability of battery.

Description

Thermal management device of air conditioning system of electric automobile

Technical Field

The utility model relates to an electric motor car technical field specifically is an air conditioning system heat management device of electric automobile.

Background

The new energy automobile, especially the electric automobile, gradually becomes one of the mainstream development directions of the automobile industry, the vehicle-mounted air conditioning system mostly adopts mechanical refrigeration, the defects of high energy consumption and high noise exist, the environment is greatly damaged by a large amount of used refrigerant, the compressor refrigeration of the air conditioner needs to consume a large amount of electric storage battery of the electric automobile in the driving process of the electric automobile in summer, the air conditioner needs to be used for heating in winter, the power source of the air conditioner is also from the storage battery, the power consumption of the air conditioner not only greatly reduces the mileage, but also shortens the service life of the battery.

At present, when the temperature of an electric vehicle is high in summer or low in winter, a power battery of some pure electric vehicles often does not work in the optimal working temperature range, and the mileage is further reduced, so that the service life of the battery is shortened, a battery thermal management mechanism is an independent system, the battery is required to provide electric energy, and the cruising ability of the battery is reduced. Therefore, a heat management device of an air conditioning system of an electric automobile is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electric automobile air conditioning system heat management device possesses air conditioning system and battery heat management mechanism and is linked together, can carry out temperature regulation to the battery, makes the battery keep working under the temperature of preferred, has improved advantages such as duration of battery, has solved the battery and has not worked in best operating temperature scope, reduces the life of battery, and battery heat management mechanism is solitary system, needs the battery to provide the electric energy, has reduced the problem of the duration of battery.

(II) technical scheme

For realizing that above-mentioned air conditioning system is linked together with battery thermal management mechanism, can carry out temperature regulation to the battery, make the battery keep working under the temperature of preferred, improved the purpose of the duration of a journey ability of battery, the utility model provides a following technical scheme: a heat management device of an air conditioning system of an electric automobile comprises a compressor, wherein an air outlet pipe is fixedly installed on an air outlet of the compressor, the other end of the air outlet pipe is fixedly connected with an air inlet of a dryer, the air outlet of the dryer is fixedly connected with an air inlet of a condenser, a first guide pipe is fixedly installed on an air outlet of the condenser, a three-way electromagnetic valve is fixedly installed on the air outlet pipe and communicated with the first guide pipe through a connecting pipe, the other end of the first guide pipe is fixedly connected with an air inlet of a first evaporator, a blower is fixedly installed on the left side surface of the first evaporator, a second guide pipe is fixedly installed on an air outlet of the first evaporator, an electronic expansion valve is fixedly installed in the middle of the second guide pipe, the other end of the second guide pipe is fixedly communicated with an air inlet of a second evaporator, and a third guide pipe is fixedly installed on, the other end of third pipe is linked together with the return air inlet of compressor, the middle part fixed mounting of third pipe has first branch pipe, fixed mounting has the solenoid valve on the first branch pipe, the port of first branch pipe is linked together with battery heat management mechanism air inlet, fixed mounting has the second branch pipe on battery heat management mechanism's the gas outlet, the second branch pipe is linked together with the third pipe, fixed mounting has the air exhauster on the second branch pipe.

Further optimize this technical scheme, the left surface fixed mounting of condenser has the heat dissipation fan.

Further optimize this technical scheme, first pipe is located fixed mounting on the position between coupling and the condenser and is had the check valve.

This technical scheme is further optimized, battery heat management mechanism includes box, battery, temperature sensor and cooling tube, fixed mounting has the battery in the box, fixed mounting has temperature sensor on the downside inner wall of box, fixed mounting has the cooling tube on the inner wall of box.

Further optimize this technical scheme, the right flank fixed mounting of box has air inlet joint, air inlet joint is linked together with first pillar.

Further optimize this technical scheme, the left surface fixed mounting of box has the joint of giving vent to anger, it is linked together with the second branch pipe to give vent to anger the joint.

(III) advantageous effects

Compared with the prior art, the utility model provides an electric automobile air conditioning system heat management device possesses following beneficial effect:

1. this air conditioning system of electric automobile thermal management device, the third pipe that is through setting up is that air conditioning system is linked together with battery thermal management mechanism, through temperature sensor detection box internal temperature, rethread solenoid valve makes first branch pipe and third pipe be linked together, and rethread air exhauster carries out convulsions operation, can carry out temperature regulation to the battery, makes the battery keep working under the temperature of preferred.

2. This electric automobile air conditioning system heat management device is linked together through the battery heat management mechanism that sets up and air conditioning system, makes the battery need not to provide the electric energy alone to the equipment in the battery heat management mechanism, has improved the duration of a journey of battery.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the battery heat management mechanism of the present invention.

In the figure: 1. a compressor; 2. an air outlet pipe; 3. a dryer; 4. a condenser; 5. a first conduit; 6. a three-way electromagnetic valve; 7. a connecting pipe; 8. a first evaporator; 9. a blower; 10. a second conduit; 11. an electronic expansion valve; 12. a second evaporator; 13. a third conduit; 14. an electromagnetic valve; 15. a first branch pipe; 16. a battery thermal management mechanism; 161. a box body; 162. a battery; 163. a temperature sensor; 164. a radiating pipe; 17. a second branch pipe; 18. an exhaust fan; 19. a heat dissipation fan; 20. a check valve; 21. an air inlet joint; 22. and an air outlet joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model discloses a thermal management device for an air conditioning system of an electric vehicle, which comprises a compressor 1, an air outlet pipe 2 is fixedly arranged on an air outlet of the compressor 1, the other end of the air outlet pipe 2 is fixedly connected with an air inlet of a dryer 3, the air outlet of the dryer 3 is fixedly connected with an air inlet of a condenser 4, a first conduit 5 is fixedly arranged on the air outlet of the condenser 4, a three-way electromagnetic valve 6 is fixedly arranged on the air outlet pipe 2, the three-way electromagnetic valve 6 is communicated with the first conduit 5 through a connecting pipe 7, the other end of the first conduit 5 is fixedly connected with the air inlet of a first evaporator 8, an air blower 9 is fixedly arranged on the left side surface of the first evaporator 8, a second conduit 10 is fixedly arranged on the air outlet of the first evaporator 8, an electronic expansion valve 11 is fixedly arranged in the middle of the second conduit 10, the other, fixed mounting has third pipe 13 on the gas outlet of second evaporimeter 12, and the other end of third pipe 13 is linked together with the return-air inlet of compressor 1, and the middle part fixed mounting of third pipe 13 has first branch pipe 15, fixed mounting has solenoid valve 14 on the first branch pipe 15, and the port of first branch pipe 15 is linked together with battery heat management mechanism 16 air inlet, and fixed mounting has second branch pipe 17 on the gas outlet of battery heat management mechanism 16, and second branch pipe 17 is linked together with third pipe 13, and fixed mounting has air exhauster 18 on the second branch pipe 17.

Specifically, the left side surface of the condenser 4 is fixedly provided with the heat dissipation fan 19, and the heat dissipation fan 19 can accelerate the heat dissipation speed of the condenser 4, so that the condensing effect is better, and the service life is longer.

Specifically, the check valve 20 is fixedly installed at a position of the first conduit 5 between the joint of the connecting pipe 7 and the condenser 4, and the check valve 20 can prevent high-temperature gas in the first conduit 5 from flowing back into the condenser 4, so that waste of the high-temperature gas is avoided.

Specifically, the battery heat management mechanism 16 includes a case 161, a battery 162, a temperature sensor 163, and a heat dissipation pipe 164, the battery 162 is fixedly installed in the case 161, the temperature sensor 163 is fixedly installed on the inner wall of the lower side of the case 161, the heat dissipation pipe 164 is fixedly installed on the inner wall of the case 161, and the temperature in the case 161 can be changed by the heat or cold air dissipated from the heat dissipation pipe 164, so that the battery 162 in the case 161 can be used in its optimum working environment.

Specifically, an air inlet joint 21 is fixedly mounted on the right side surface of the box body 161, the air inlet joint 21 is communicated with the first branch pipe 15, and the air inlet joint 21 facilitates connection of the first branch pipe 15.

Specifically, an air outlet joint 22 is fixedly mounted on the left side surface of the box body 161, the air outlet joint 22 is communicated with the second branch pipe 17, and the air outlet joint 22 facilitates connection of the second branch pipe 17.

When the air conditioning system is used, in the refrigeration process of the air conditioning system, the three-way electromagnetic valve 6 enables the air outlet pipe 2 to be communicated with the dryer 3, high-temperature and high-pressure gas generated by the compressor 1 flows into the condenser 4 through the dryer 3, low-temperature and high-pressure liquid flowing out of the condenser 4 flows into the first evaporator 8 through the first guide pipe 5, cold air evaporated by the first evaporator 8 is blown into a carriage through the blower 9, liquid in the first evaporator 8 is changed into high-temperature liquid after evaporation, the high-temperature liquid is changed into high-temperature gas through the electronic expansion valve 11 on the second guide pipe 10 and flows into the second evaporator 12, the high-temperature gas is evaporated by the second evaporator 12 into low-temperature gas, low-temperature and low-pressure gas flowing out of the second evaporator 12 flows into the battery heat management mechanism 16 through the first branch pipe 15 on the third guide pipe 13, and simultaneously the exhaust fan 18 performs air exhaust operation to enable the gas, in the heating process of the air conditioner, the three-way electromagnetic valve 6 enables the air outlet pipe 2 to be communicated with the connecting pipe 7, high-temperature and high-pressure gas flowing out of the compressor 1 flows into the first evaporator 8 through the first guide pipe 5, a large amount of hot gas is evaporated by the first evaporator 8 and is blown into a carriage through the blower 9, meanwhile, the gas in the first evaporator 8 is changed into low-temperature gas, the low-temperature gas flows into the second evaporator 12 through the electronic expansion valve 11, the low-temperature gas in the second evaporator 12 is evaporated to be changed into high-temperature gas, the high-temperature gas flows into the radiating pipe 164 through the first branch pipe 15, the battery 162 in the box body 161 is heated, the temperature of the battery 162 can be adjusted, the battery 162 can work at a better temperature, the service life of the battery 162 is prolonged, the battery is communicated with the air conditioning system through the battery heat management mechanism 16, and the battery 162 does not need to, the cruising ability of the battery 162 is improved.

In summary, the thermal management device of the air conditioning system of the electric vehicle is communicated with the thermal management mechanism 16 of the battery through the air conditioning system, so that the temperature of the battery 162 can be adjusted, the battery 162 can work at a better temperature, meanwhile, the requirement that the thermal management mechanism 16 of the battery 162 needs to provide electric energy independently is eliminated, and the cruising ability of the battery 162 is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric automobile air conditioning system heat management device, includes compressor (1), its characterized in that: the air conditioner is characterized in that an air outlet pipe (2) is fixedly mounted on an air outlet of the compressor (1), the other end of the air outlet pipe (2) is fixedly connected to an air inlet of the dryer (3), the air outlet of the dryer (3) is fixedly connected to an air inlet of the condenser (4), a first guide pipe (5) is fixedly mounted on an air outlet of the condenser (4), a three-way electromagnetic valve (6) is fixedly mounted on the air outlet pipe (2), the three-way electromagnetic valve (6) is communicated with the first guide pipe (5) through a connecting pipe (7), the other end of the first guide pipe (5) is fixedly connected to an air inlet of the first evaporator (8), an air blower (9) is fixedly mounted on the left side face of the first evaporator (8), a second guide pipe (10) is fixedly mounted on the air outlet of the first evaporator (8), and an electronic expansion valve (11) is fixedly mounted in the middle of, another end of second pipe (10) and second evaporimeter (12) air inlet fixed phase intercommunication, fixed mounting has third pipe (13) on the gas outlet of second evaporimeter (12), the other end of third pipe (13) is linked together with the return air mouth of compressor (1), the middle part fixed mounting of third pipe (13) has first branch pipe (15), fixed mounting has solenoid valve (14) on first branch pipe (15), the port of first branch pipe (15) is linked together with battery heat management mechanism (16) air inlet, fixed mounting has second branch pipe (17) on the gas outlet of battery heat management mechanism (16), second branch pipe (17) are linked together with third pipe (13), fixed mounting has air exhauster (18) on second branch pipe (17).

2. The air conditioning system heat management device of the electric automobile as claimed in claim 1, wherein: and a heat dissipation fan (19) is fixedly installed on the left side surface of the condenser (4).

3. The air conditioning system heat management device of the electric automobile as claimed in claim 1, wherein: and the first conduit (5) is fixedly provided with a check valve (20) at a position between the joint of the connecting pipe (7) and the condenser (4).

4. The air conditioning system heat management device of the electric automobile as claimed in claim 1, wherein: battery heat management mechanism (16) includes box (161), battery (162), temperature sensor (163) and cooling tube (164), fixed mounting has battery (162) in box (161), fixed mounting has temperature sensor (163) on the downside inner wall of box (161), fixed mounting has cooling tube (164) on the inner wall of box (161).

5. The air conditioning system heat management device of the electric automobile as claimed in claim 4, wherein: the right side surface of the box body (161) is fixedly provided with an air inlet connector (21), and the air inlet connector (21) is communicated with the first branch pipe (15).

6. The air conditioning system heat management device of the electric automobile as claimed in claim 4, wherein: the left side face of the box body (161) is fixedly provided with an air outlet joint (22), and the air outlet joint (22) is communicated with the second branch pipe (17).