Air conditioning device for thermal management of automobile battery

Abstract

The utility model provides an air conditioning device for thermal management of an automobile battery, which comprises a temperature control system, an air conditioning system, a temperature control system and an air conditioning system, and is characterized in that the temperature control system comprises a compressor, a condenser and an evaporator; the first water cooling pipeline assembly is used for exchanging heat with the evaporator; the second water-cooling pipeline assembly is used for exchanging heat with the condenser, and the first water-cooling pipeline assembly and the second water-cooling pipeline assembly are arranged in parallel; and a condensation fan is mounted on the condenser. According to the scheme, the second water-cooling pipeline assembly is arranged in parallel, when the environment temperature is larger than 10 DEG C and smaller than 25 DEG C or the vehicle is parked for charging, the second water-cooling pipeline assembly works and exchanges heat with the condenser at the moment, the battery bin of the vehicle chassis is cooled through cooling of the condensation fan, a compressor does not need to be started and stopped frequently, and the energy consumption is reduced. The service life of the equipment is effectively prolonged, and the energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, concretely relates to a kind of air conditioning device for automobile battery thermal management. BACKGROUND

[0002] New energy bus top-mounted air conditioning product power is derived from storage battery, it is also one of key components of pure electric vehicle, since the best working environment temperature of battery pack is 25 ℃~35 ℃, so temperature has very remarkable influence on battery overall performance and life.To prolong the service life of power battery, improve its battery chemical performance and energy efficiency, prolong vehicle cruising range, battery cooling management system needs to be reasonably matched.Keep the temperature of battery balanced, eliminate the danger of battery thermal runaway, to improve the performance of electric vehicle.

[0003] At present, shared electric air conditioner and thermal management device can only provide cooling or heating environment for bus passenger area and battery compartment simultaneously, and cannot meet the cooling needs of battery alone in specific environment.Shared electric air conditioner and thermal management device will cause the compressor to run at low frequency in specific temperature (such as when the ambient temperature is greater than 10 ℃ and less than 25 ℃) or when the vehicle is charging, and the frequent start-stop of the compressor will shorten the service life of the compressor, so the failure rate of the compressor in the existing scheme is high, and it also has the defect of high energy consumption.

[0004] Therefore, the technical problem to be solved by the present application is how to solve the problems of short equipment life and high energy consumption caused by frequent start-stop of the compressor when cooling the battery compartment of the vehicle. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides an air conditioning device for automobile battery thermal management, which is connected in parallel with a second water cooling pipe assembly.When the ambient temperature is greater than 10 ℃ and less than 25 ℃, or the vehicle is charging, the second water cooling pipe assembly works and exchanges heat with the condenser at this time, and the cooling of the condenser fan is used to cool the battery compartment of the vehicle chassis, which does not need to frequently start and stop the compressor, effectively improves the service life of the equipment, and reduces the energy consumption.

[0006] Specifically, the utility model provides an air conditioning device for automobile battery thermal management, which comprises:

[0007] A temperature control system comprising a compressor, a condenser and an evaporator;

[0008] A first water cooling pipe assembly for heat exchange with the evaporator;

[0009] A second water-cooled pipe assembly is used for heat exchange with the condenser, and the first water-cooled pipe assembly and the second water-cooled pipe assembly are arranged in parallel.

[0010] A condenser fan is installed on the condenser.

[0011] Preferably, the vehicle cabin water system further comprises,

[0012] The output end of the vehicle cabin water system is used for connecting the input end of the first water-cooled pipe assembly and the second water-cooled pipe assembly.

[0013] The input end of the vehicle cabin water system is used for connecting the output end of the first water-cooled pipe assembly and the second water-cooled pipe assembly.

[0014] Preferably, the output end of the vehicle cabin water system is connected to the first water-cooled pipe assembly through a first valve.

[0015] Preferably, the output end of the vehicle cabin water system is connected to the second water-cooled pipe assembly through a second valve.

[0016] Preferably, the machine shell further comprises an installation chamber inside the machine shell, the installation chamber is divided into a first chamber, a second chamber and a third chamber from left to right, the evaporator is arranged in the first chamber, the compressor is arranged in the second chamber, and the condenser is arranged in the third chamber.

[0017] Preferably, the condenser is provided with a water tank, and the water tank is used for connecting the second water-cooled pipe assembly.

[0018] Preferably, the evaporator is a plate heat exchanger.

[0019] Preferably, the first water-cooled pipe assembly has a first water inlet pipe and a first water outlet pipe, and the second water-cooled pipe assembly has a second water inlet pipe and a second water outlet pipe.

[0020] The output end of the vehicle cabin water system is provided with a three-way pipe, and the remaining two interfaces of the three-way pipe are connected to the first water inlet pipe and the second water inlet pipe through the adapter pipes.

[0021] The input end of the vehicle cabin water system is provided with a three-way pipe, and the remaining two interfaces of the three-way pipe are connected to the first water outlet pipe and the second water outlet pipe through the adapter pipes.

[0022] Preferably, the temperature control system further comprises a four-way valve, and the four-way valve has a first interface, a second interface, a third interface and a fourth interface.

[0023] The first interface is connected with the air inlet of the compressor through a pipeline;

[0024] The second interface is connected with one end of the medium channel of the evaporator through a pipeline, and the other end of the medium channel of the evaporator is connected with one end of the medium channel of the condenser through a pipeline;

[0025] The third interface is connected with the air outlet of the compressor through a pipeline;

[0026] The fourth interface is connected with the other end of the medium channel of the condenser through a pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced.

[0028] Figure 1 is a three-dimensional structure schematic diagram of an air conditioning device for automobile battery thermal management proposed in the embodiment;

[0029] Figure 2 is a position schematic diagram of the second chamber and the third chamber of the air conditioning device in the embodiment;

[0030] Figure 3 is a position schematic diagram of the first chamber and the second chamber of the air conditioning device in the embodiment;

[0031] Figure 4 is Figure 3 a local enlarged structure schematic diagram of position A in FIG.

[0032] Figure 5 is Figure 3 a local enlarged structure schematic diagram of position B in FIG.

[0033] Figure 6 is an internal structure schematic diagram of the air conditioning device in the embodiment.

[0034] In the drawings, the reference signs involved are as follows:

[0035] 11-compressor; 12-condenser; 13-evaporator; 14-first water cooling pipeline assembly; 15-second water cooling pipeline assembly; 16-condensing fan; 17-cab waterway system; 18-first valve; 19-second valve; 20-casing; 21-first chamber; 22-second chamber; 23-third chamber; 24-first water inlet pipe; 25-first water outlet pipe; 26-second water inlet pipe; 27-second water outlet pipe; 28-first three-way pipe; 29-second three-way pipe; 30-first interface; 31-second interface; 32-third interface; 33-fourth interface. DETAILED DESCRIPTION

[0036] The technical solution of the present application is further described below in conjunction with specific embodiments, but the present application is not limited to these embodiments.

[0037] like Figures 1 to 6 As shown, this embodiment provides an air conditioning device for thermal management of automobile batteries, comprising:

[0038] Temperature control system, the temperature control system includes a compressor 11, a condenser 12 and an evaporator 13;

[0039] A first water-cooling pipe assembly 14, the first water-cooling pipe assembly 14 is used to exchange heat with the evaporator 13;

[0040] A second water-cooling pipe assembly 15, the second water-cooling pipe assembly 15 is used for heat exchange with the condenser 12, the first water-cooling pipe assembly 14 and the second water-cooling pipe assembly 15 are arranged in parallel;

[0041] A condensing fan 16 is installed on the condenser 12 .

[0042] The air conditioning device of this solution is installed on the automobile chassis.

[0043] The technical effect of this solution is that: this solution sets up a second water-cooling pipe assembly 15 in parallel. When the ambient temperature is greater than 10°C and less than 25°C, or when the vehicle is parked for charging, the second water-cooling pipe assembly 15 works and exchanges heat with the condenser 12. The battery compartment of the vehicle chassis is cooled by the cooling of the condensing fan 16. This solution does not require frequent starting and stopping of the compressor 11, effectively improving the service life of the equipment and reducing energy consumption.

[0044] As an implementation of this embodiment, it also includes a carriage water system 17,

[0045] The output end of the carriage water system 17 is used to connect the input ends of the first water-cooling pipe assembly 14 and the second water-cooling pipe assembly 15;

[0046] The input end of the carriage water system 17 is used to connect the output ends of the first water-cooling pipe assembly 14 and the second water-cooling pipe assembly 15 .

[0047] Furthermore, the output end of the carriage water system 17 is connected to the first water-cooling pipe assembly 14 via the first valve 18. The technical effect of this solution is that the water flow in the first water-cooling pipe assembly 14 is controlled by the first valve 18.

[0048] Furthermore, the output end of the carriage water system 17 is connected to the second water-cooling pipe assembly 15 via the second valve 19. The technical effect of this solution is that the flow of water in the second water-cooling pipe assembly 15 is controlled by the second valve 19.

[0049] As an implementation of the embodiment, the first water-cooled pipe assembly 14 and the second water-cooled pipe assembly 15 are water circuit pipe heat exchange assemblies. Further, water circuit circulating pumps are arranged in the first water-cooled pipe assembly 14 and the second water-cooled pipe assembly 15 respectively for water circuit circulation.

[0050] As an implementation of the embodiment, the housing 20 has an installation chamber inside, the installation chamber is divided into a first chamber 21, a second chamber 22 and a third chamber 23 from left to right, the evaporator 13 is arranged in the first chamber 21, the compressor 11 is arranged in the second chamber 22, and the condenser 12 is arranged in the third chamber 23.

[0051] The scheme arranges the compressor 11, the evaporator 13 and the condenser 12 by area, so that the condenser 12 and the evaporator 13 are arranged separately, for enabling the condenser 12 and the evaporator 13 to work independently and efficiently.

[0052] Further, the housing 20 is made of glass steel material.

[0053] The condenser 12 is provided with a water tank, the water tank is used to connect with the second water-cooled pipe assembly 15. Further, the water tank is an integrated water tank, and specifically, an integrated ATS water tank can be used.

[0054] As an implementation of the embodiment, the evaporator 13 is a plate heat exchanger. Further, the evaporator 13 is a copper pipe and aluminum sheet combined plate heat exchanger.

[0055] As an implementation of the embodiment, the first water-cooled pipe assembly 14 has a first water inlet pipe 24 and a first water outlet pipe 25, and the second water-cooled pipe assembly 15 has a second water inlet pipe 26 and a second water outlet pipe 27.

[0056] The output end of the vehicle cabin water circuit system 17 is provided with a No. 1 three-way pipe 28, among the remaining two interfaces of the No. 1 three-way pipe 28, one interface is connected with the first water inlet pipe 24 through a connecting pipe, and the other interface is connected with the second water inlet pipe 26 through a connecting pipe.

[0057] The input end of the vehicle cabin water circuit system 17 is provided with a No. 2 three-way pipe 29, among the remaining two interfaces of the No. 2 three-way pipe 29, one interface is connected with the first water outlet pipe 25 through a connecting pipe, and the other interface is connected with the second water outlet pipe 27 through a connecting pipe.

[0058] As an implementation of the embodiment, the temperature control system further comprises a four-way valve, the four-way valve has a first interface 30, a second interface 31, a third interface 32 and a fourth interface 33.

[0059] The first interface 30 is connected with the air inlet of the compressor 11 through a pipeline.

[0060] The second interface 31 is connected to one end of the medium passage of the evaporator 13 through a pipeline, and the other end of the medium passage of the evaporator 13 is connected to one end of the medium passage of the condenser 12 through a pipeline;

[0061] The third interface 32 is connected to the exhaust port of the compressor 11 through a pipeline;

[0062] The fourth interface 33 is connected to the other end of the medium passage of the condenser 12 through a pipeline.

[0063] Among them, the compressor 11, the evaporator 13 and the condenser 12 of the temperature control system part belong to the prior art, and the working principle of refrigeration or heating is not described in detail herein.

[0064] The working principle of the present scheme is as follows:

[0065] When the ambient temperature is 10℃-25℃, the heat dissipation mode is switched to the ATS water tank, at this time, the second valve 19 is opened. The water in the vehicle cabin waterway system 17 is connected to the water tank of the condenser 12 through the second water cooling pipeline assembly 15, the condensing fan 16 is turned on, and the heat dissipation of the battery can be realized.

[0066] For those skilled in the art, without departing from the inventive concept of the present application, a number of modifications and improvements can be made, which are all within the scope of protection of the present application.

Claims

1. An air conditioning device for thermal management of automobile batteries, characterized in that: include: A temperature control system comprising a compressor (11), a condenser (12) and an evaporator (13); a first water-cooling pipe assembly (14), the first water-cooling pipe assembly (14) being used for exchanging heat with the evaporator (13); a second water-cooling pipe assembly (15), the second water-cooling pipe assembly (15) being used for heat exchange with the condenser (12), the first water-cooling pipe assembly (14) and the second water-cooling pipe assembly (15) being arranged in parallel; A condensing fan (16) is installed on the condenser (12).

2. The air conditioning device for thermal management of automobile batteries according to claim 1, characterized in that: Also includes a carriage water system (17), The output end of the carriage water system (17) is used to connect the input ends of the first water-cooling pipe assembly (14) and the second water-cooling pipe assembly (15); The input end of the carriage water system (17) is used to connect the output ends of the first water-cooling pipe assembly (14) and the second water-cooling pipe assembly (15).

3. The air conditioning device for thermal management of automobile batteries according to claim 2, characterized in that: The output end of the carriage water system (17) is connected to the first water-cooling pipe assembly (14) via a first valve (18).

4. The air conditioning device for thermal management of automobile batteries according to claim 2, characterized in that: The output end of the carriage water system (17) is connected to the second water-cooling pipe assembly (15) via a second valve (19).

5. The air conditioning device for thermal management of automobile batteries according to claim 2, characterized in that: The invention also includes a casing (20), wherein the casing (20) has an installation chamber inside, and the installation chamber is divided into a first chamber (21), a second chamber (22) and a third chamber (23) in order from left to right. The evaporator (13) is arranged in the first chamber (21), the compressor (11) is arranged in the second chamber (22), and the condenser (12) is arranged in the third chamber (23).

6. The air conditioning device for thermal management of automobile batteries according to claim 1, characterized in that: The condenser (12) is provided with a water tank, and the water tank is used to be connected to the second water-cooling pipe assembly (15).

7. The air conditioning device for thermal management of automobile batteries according to claim 1, characterized in that: The evaporator (13) is a plate-type heat exchanger.

8. The air conditioning device for thermal management of automobile batteries according to claim 2, characterized in that: The first water-cooling pipe assembly (14) has a first water inlet pipe (24) and a first water outlet pipe (25), and the second water-cooling pipe assembly (15) has a second water inlet pipe (26) and a second water outlet pipe (27); The output end of the carriage water system (17) is provided with a No. 1 tee pipe (28), of which the remaining two interfaces are connected to the first water inlet pipe (24) via a connecting pipe, and the other interface is connected to the second water inlet pipe (26) via a connecting pipe; A No. 2 tee pipe (29) is installed at the input end of the carriage water system (17). Of the remaining two interfaces of the No. 2 tee pipe (29), one interface is connected to the first water outlet pipe (25) through a connecting pipe, and the other interface is connected to the second water outlet pipe (27) through a connecting pipe.

9. The air conditioning device for thermal management of automobile batteries according to claim 1, characterized in that: The temperature control system further comprises a four-way valve having a first interface (30), a second interface (31), a third interface (32) and a fourth interface (33); The first interface (30) is used to connect to the air inlet of the compressor (11) through a pipeline; The second interface (31) is connected to one end of the medium channel of the evaporator (13) through a pipeline, and the other end of the medium channel of the evaporator (13) is connected to one end of the medium channel of the condenser (12) through a pipeline; The third interface (32) is used to connect to the exhaust port of the compressor (11) through a pipeline; The fourth interface (33) is used to connect to the other end of the medium channel of the condenser (12) through a pipeline.

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