CN111900505B - Battery water jacket test system and electric automobile thermal management test system - Google Patents
Battery water jacket test system and electric automobile thermal management test system Download PDFInfo
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- CN111900505B CN111900505B CN202010722785.9A CN202010722785A CN111900505B CN 111900505 B CN111900505 B CN 111900505B CN 202010722785 A CN202010722785 A CN 202010722785A CN 111900505 B CN111900505 B CN 111900505B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000012360 testing method Methods 0.000 title claims abstract description 84
- 239000000110 cooling liquid Substances 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims description 45
- 239000002826 coolant Substances 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 46
- 238000001816 cooling Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000003750 conditioning effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
- H01M10/6571—Resistive heaters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a battery water jacket test system and an electric automobile heat management test system, wherein the system comprises a water pump, a heater, a battery pack water jacket, a radiator and a water tank; the outlet of the water pump is communicated with the inlet of the heater, the outlet of the heater is communicated with the inlet of the battery pack water jacket, the outlet of the battery pack water jacket is communicated with the inlet of the first three-way valve, the heat dissipation valve of the first three-way valve is communicated with the inlet of the radiator, the outlet of the radiator is communicated with the first inlet of the second three-way valve, the heating valve of the first three-way valve is communicated with the second inlet of the second three-way valve through a heating loop, the outlet of the second three-way valve is communicated with the inlet of the water tank, and the outlet of the water tank is communicated with the inlet of the water pump, so that a circulation loop is formed; the outlets of all parts in the circulating loop are provided with detection components for detecting the parameters of the cooling liquid; the heater and the radiator are respectively used for heating and radiating the battery pack; according to the scheme, the energy-saving target is achieved by optimizing the energy consumption of the whole vehicle, and the detection accuracy and efficiency are improved.
Description
Technical Field
The invention belongs to the technical field of battery water jacket testing, and particularly relates to a battery water jacket testing system and an electric automobile heat management testing system.
Background
The integrated thermal management system of the electric automobile is one of the core systems of the automobile, and mainly focuses on the motor, a motor controller, a battery and an air conditioner. In the existing electric vehicle heat management test research and development laboratory, a motor controller and a test bench of a battery water jacket do not have a feasible data monitoring system, accurate experimental data such as temperature, pressure, flow and the like cannot be obtained, so that experimental parameters cannot be adjusted in real time, and unnecessary energy consumption of the whole vehicle is increased.
Based on the technical problems existing in the research and development design process of the electric automobile, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide a battery water jacket testing system and an electric vehicle thermal management testing system aiming at overcoming the defects in the prior art, and aims to solve the problem of battery detection of the existing electric vehicle.
The invention provides a battery water jacket test system, which comprises a water pump, a heater, a battery pack water jacket, a radiator and a water tank, wherein the water pump is connected with the heater; the outlet of the water pump is communicated with the inlet of the heater, the outlet of the heater is communicated with the inlet of the battery pack water jacket, the outlet of the battery pack water jacket is communicated with the inlet of the first three-way valve, the heat dissipation valve of the first three-way valve is communicated with the inlet of the radiator, the outlet of the radiator is communicated with the first inlet of the second three-way valve, the heating valve of the first three-way valve is communicated with the second inlet of the second three-way valve through a heating loop, the outlet of the second three-way valve is communicated with the inlet of the water tank, and the outlet of the water tank is communicated with the inlet of the water pump, so that a circulation loop is formed; the outlet of the water pump is provided with a first detection assembly, and the first detection assembly is used for monitoring the test parameters of the cooling liquid at the outlet of the water pump; a second detection assembly is arranged at the outlet of the heater and used for monitoring the test parameters of the cooling liquid at the outlet of the heater; a third detection assembly is arranged at an outlet of the battery pack water jacket and used for monitoring test parameters of cooling liquid at the outlet of the battery pack water jacket; a fourth detection assembly is arranged at the outlet of the radiator and used for monitoring the test parameters of the cooling liquid at the outlet of the radiator; the heating loop is provided with a fifth detection assembly, and the fifth detection assembly is used for monitoring the flow of the cooling liquid of the heating loop; the heater is used for heating the battery pack, and the radiator is used for radiating the battery pack.
Further, the first detection assembly comprises a first temperature sensor and a first pressure sensor, the first temperature sensor is used for monitoring the temperature of the cooling liquid at the outlet of the water pump, and the first pressure sensor is used for monitoring the pressure of the cooling liquid at the outlet of the water pump.
Further, the second detection assembly comprises a second temperature sensor, a second pressure sensor and a first flow sensor, the second temperature sensor is used for monitoring the temperature of the cooling liquid at the outlet of the heater, the second pressure sensor is used for monitoring the pressure of the cooling liquid at the outlet of the heater, and the first flow sensor is used for monitoring the flow of the cooling liquid at the outlet of the heater.
Further, the third detection assembly comprises a third temperature sensor and a third pressure sensor, the third temperature sensor is used for monitoring the temperature of the cooling liquid at the outlet of the water-in-battery jacket, and the third pressure sensor is used for monitoring the pressure of the cooling liquid at the outlet of the water-in-battery jacket.
Further, the fourth detection assembly comprises a fourth temperature sensor and a second flow sensor, wherein the fourth temperature sensor is used for monitoring the temperature of the cooling liquid at the outlet of the radiator, and the second flow sensor is used for monitoring the flow of the cooling liquid at the outlet of the radiator.
Further, the fifth detection assembly includes a third flow sensor for monitoring a flow rate of the cooling liquid on the heating circuit.
Further, when the temperature of the battery is lower than the preset temperature, the heater is started, the heating valve of the first three-way valve is opened, the heat dissipation valve of the first three-way valve is closed, the cooling liquid in the circulation loop is heated by the heater, and the battery pack is heated under the action of the water pump; when the temperature of the battery is higher than the preset temperature, the heater is closed, the heating valve of the first three-way valve is closed, the heat dissipation valve of the first three-way valve is opened, and the cooling liquid in the circulation loop passes through the radiator under the action of the water pump, so that the heat of the battery pack is dissipated.
Furthermore, a heat exchange channel is arranged in the heater; when the heater is started, the cooling liquid is heated through the heat exchange channel and flows out of the outlet of the heater; when the heater is closed, the cooling liquid directly flows out from the outlet of the heater through the heat exchange channel.
Further, the battery water jacket test system can be applied to the battery test of the electric automobile.
Correspondingly, the invention also provides an electric automobile heat management test system, which comprises a battery water jacket test system, a battery heat management system, an air conditioner heat management system, a data acquisition system and a computer; the battery water jacket test system is the battery water jacket test system; the battery thermal management system, the air conditioner thermal management system and the motor thermal management system are respectively electrically connected with the data acquisition system, and the data acquisition system is also electrically connected with the computer; the data acquisition system is used for acquiring pressure, temperature or flow in the battery thermal management system, the air conditioner thermal management system and the motor thermal management system.
The invention provides a battery water jacket test system, which further optimizes the energy consumption of the whole vehicle and achieves the aim of energy conservation; the battery water jacket experiment system integrates two functions of heating and cooling, related experiment data are obtained through the sensor, the heating and cooling systems are accurately checked, and the detection accuracy and efficiency are improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a schematic diagram of a battery water jacket test system according to the present invention;
FIG. 2 is a schematic diagram illustrating the testing principle of a battery water jacket according to the present invention;
FIG. 3 is a schematic view of an electric vehicle thermal management test system according to the present invention;
FIG. 4 is a schematic structural diagram of an electric vehicle thermal management test system according to the present invention.
In the figure: 1-a water pump; 2-a first temperature sensor; 3-a first pressure sensor; 4-a heater; 5-a second temperature sensor; 6-a second pressure sensor; 7 — a first flow sensor; 8-battery pack water jacket; 9-a third temperature sensor; 10-a third pressure sensor; 11-a first three-way valve; 12-a heat sink; 13-a fourth temperature sensor; 14 — a second flow sensor; 15-a second three-way valve; 16-a third flow sensor; 17-water tank.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the invention provides a battery water jacket test system, which comprises a water pump 1, a heater 4, a battery pack water jacket 8, a radiator 12 and a water tank 17; an outlet of the water pump 1 is communicated with an inlet of the heater 4, an outlet of the heater 4 is communicated with an inlet of a battery pack water jacket 8, an outlet of the battery pack water jacket 8 is communicated with an inlet of a first three-way valve 11, a heat dissipation valve of the first three-way valve 11 is communicated with an inlet of a radiator 12, an outlet of the radiator 12 is communicated with a first inlet of a second three-way valve 15, a heating valve of the first three-way valve 11 is communicated with a second inlet of the second three-way valve 15 through a heating loop, an outlet of the second three-way valve 15 is communicated with an inlet of a water tank 17, and an outlet of the water tank 17 is communicated with an inlet of the water pump 1, so that a circulation loop is formed; specifically, a first detection assembly is arranged at an outlet of the water pump 1, and is used for monitoring test parameters of cooling liquid at the outlet of the water pump 1, and the test parameters of the fluid specifically comprise pressure and temperature parameters; furthermore, a second detection assembly is arranged at an outlet of the heater 4 and used for monitoring test parameters of cooling liquid at the outlet of the heater 4, and the test parameters of the fluid specifically comprise pressure, temperature and flow parameters; furthermore, a third detection assembly is arranged at an outlet of the battery pack water jacket 8 and used for monitoring test parameters of cooling liquid at the outlet of the battery pack water jacket 8, and the test parameters of the fluid specifically comprise pressure, temperature and flow parameters; further, a fourth detection assembly is arranged at an outlet of the radiator 12, and is used for monitoring test parameters of the cooling liquid at the outlet of the radiator 12, wherein the test parameters of the fluid specifically include pressure, temperature and flow parameters; the heating loop is provided with a fifth detection assembly, and the fifth detection assembly is used for monitoring the flow of the cooling liquid in the heating loop; further, when the temperature of the battery pack is lower than a preset temperature value, the heater 4 in the circulation loop is used for heating the cooling liquid in the circulation loop, and the battery pack is heated under the action of the water pump 1, namely the heater 4 is used for heating the battery pack; further, when the temperature of the battery pack is higher than a preset temperature value, the battery pack is cooled through the radiator 12 in the circulation loop under the action of the water pump 1, namely, the radiator 12 is used for cooling the battery pack; the battery water jacket test system provided by the invention can effectively test the battery of the existing electric automobile, can conveniently adjust the test mode and has higher test precision.
Preferably, in combination with the above solution, as shown in fig. 1, the first detection assembly includes a first temperature sensor 2 and a first pressure sensor 3, wherein the first temperature sensor 2 is used for monitoring the temperature of the coolant at the outlet of the water pump 1, and the first pressure sensor 3 is used for monitoring the pressure of the coolant at the outlet of the water pump 1; the cooling liquid in the present invention is a fluid in the circulation circuit, and does not simply serve only as a cooling function, but also has a heating function according to the actual needs of the detection system.
Preferably, in combination with the above solution, as shown in fig. 1, the second detection assembly includes a second temperature sensor 5, a second pressure sensor 6 and a first flow sensor 7, wherein the second temperature sensor 5 is used for monitoring the temperature of the cooling liquid at the outlet of the heater 4, the second pressure sensor 6 is used for monitoring the pressure of the cooling liquid at the outlet of the heater 4, and the first flow sensor 7 is used for monitoring the flow rate of the cooling liquid at the outlet of the heater 4.
Preferably, in combination with the above scheme, as shown in fig. 1, the third detection assembly comprises a third temperature sensor 9 and a third pressure sensor 10, wherein the third temperature sensor 9 is used for monitoring the temperature of the coolant at the outlet of the battery pack water jacket 8, and the third pressure sensor 10 is used for monitoring the pressure of the coolant at the outlet of the battery pack water jacket 8.
Preferably, in combination with the above solution, as shown in fig. 1, the fourth detection assembly includes a fourth temperature sensor 13 and a second flow sensor 14, wherein the fourth temperature sensor 13 is used for monitoring the temperature of the cooling liquid at the outlet of the radiator 12, and the second flow sensor 14 is used for monitoring the flow rate of the cooling liquid at the outlet of the radiator 12.
Preferably, in combination with the above scheme, as shown in fig. 1, the fifth detecting component includes a third flow sensor 16, wherein the third flow sensor 16 is used for monitoring the flow rate of the cooling liquid on the heating circuit.
In the above scheme, the outlet through at each part is equipped with determine module, and determine module is used for monitoring the concrete parameter of export coolant liquid to further know test system's specific operating mode and performance according to the parameter of monitoring, make detection system more accurate.
Preferably, in combination with the above solution, as shown in fig. 1, the battery water jacket test system provided by the present invention includes a heating mode and a heat dissipation mode; specifically, when the temperature of the battery is lower than the preset temperature, the testing system is in a heating mode, the heater 4 is started, the heating valve of the first three-way valve 11 is opened, the heat dissipation valve of the first three-way valve 11 is closed, and the cooling liquid in the circulation loop is heated by the heater 4 and is acted by the water pump 1, so that the battery pack is heated; when the temperature of the battery is higher than the preset temperature, the test system is in a heat dissipation mode, namely the heater 4 is closed, the heating valve of the first three-way valve 11 is closed, the heat dissipation valve of the first three-way valve 11 is opened, and the cooling liquid in the circulation loop passes through the radiator 12 under the action of the water pump 1, so that the heat of the battery pack is dissipated; in the scheme, the method can be particularly applied to the battery test of the existing electric automobile.
Preferably, in combination with the above scheme, as shown in fig. 1, a heat exchange channel is arranged in the heater 4 provided by the present invention; specifically, when the heater is turned on, the cooling liquid is heated through the heat exchange channel and flows out from the outlet of the heater 4; when the heater 4 is closed, the cooling liquid directly flows out from the outlet of the heater 4 through the heat exchange channel, and the cooling liquid directly dissipates heat of the battery pack without being heated.
Correspondingly, the scheme provided by the invention can be applied to the test of the electric automobile, and particularly can be used for the battery test of the electric automobile.
Correspondingly, with the combination of the above solutions, as shown in fig. 1 to 4, the present invention further provides an electric vehicle thermal management test system, which includes a battery thermal management system; the battery heat management system comprises a battery water jacket test system, wherein the battery water jacket test system is the battery water jacket test system.
Preferably, with reference to the above scheme, as shown in fig. 3, the thermal management test system for the electric vehicle further includes a battery thermal management system, an air conditioner thermal management system, a data acquisition system, and a computer; the system comprises a battery thermal management system, an air conditioner thermal management system and a motor thermal management system, wherein the battery thermal management system, the air conditioner thermal management system and the motor thermal management system are respectively electrically connected with a data acquisition system, and the data acquisition system is used for acquiring parameters of all position sensors in a vehicle rack; the data acquisition system is also electrically connected with a computer, and the computer is used for carrying out data processing, analysis and management on the tests of the battery thermal management system, the air conditioner thermal management system and the motor thermal management system and outputting an experimental data result; the data acquisition system is used for acquiring pressure, temperature or flow in the battery thermal management system, the air conditioner thermal management system and the motor thermal management system and transmitting the pressure, the temperature or the flow to the computer.
Preferably, with reference to the above scheme, as shown in fig. 4, the electric vehicle thermal management test system provided by the present invention includes a computer, a dc power supply, a signal conditioning circuit, and a vehicle rack of an environmental simulator cabin, wherein the computer is electrically connected to a data acquisition system, and is used for performing data processing, analysis and management on a test of a motor thermal management system, and outputting an experimental data result; the direct current power supply is respectively and electrically connected with the signal conditioning circuit and the detection component in the vehicle rack of the environment simulator bin and is used for providing power supply support; the signal conditioning circuit is also electrically connected with the data acquisition system and is used for conditioning signals; the data acquisition system is also electrically connected with an ECU of the vehicle through a can bus, wherein the ECU of the vehicle comprises an MCU, a BMS and an HCU; further, the data acquisition system is an AD5454 type data acquisition system, and an operating system of the AD5454 type data acquisition system comprises an AD board card, a DA board card, a PWM board card, a DIO board card and other board cards; a plurality of detection assemblies are arranged in a vehicle rack of the environment simulator bin, and each detection assembly comprises a current sensor, a voltage sensor, a temperature sensor, a flow sensor and a pressure sensor.
The electric automobile heat management test system provided by the invention can be directly applied to an electric automobile heat management test bench which is formed by reforming an electric automobile, a complete whole automobile structure is reserved, corresponding sensors are additionally arranged in a battery heat management system, a motor heat management system and an air conditioner heat management system for signal acquisition and processing, convenience is provided for analysis and test of an integrated heat management system of the electric automobile, flexible part replacement can be carried out, the bench is placed in a whole automobile environment cabin for hub rotation test, and the running working condition of the whole automobile is simulated for test; and the test bench moves conveniently, can carry out experiments on a dynamometer and also can carry out experiments in an environment bin, thereby increasing the experimental scenes.
According to the scheme provided by the invention, in the battery water jacket test system, heating and cooling in the pure electric vehicle heat management technology are in the same system, a new heat management scheme is provided, and relevant experimental data are obtained through temperature, pressure and flow sensors in the scheme, so that the heating and cooling systems are accurately checked.
The invention provides a battery water jacket test system, which further optimizes the energy consumption of the whole vehicle and achieves the aim of energy conservation; the battery water jacket experiment system integrates two functions of heating and cooling, related experiment data are obtained through the sensor, the heating and cooling systems are accurately checked, and the detection accuracy and efficiency are improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. A battery water jacket test system is characterized by comprising a water pump (1), a heater (4), a battery pack water jacket (8), a radiator (12) and a water tank (17); an outlet of the water pump (1) is communicated with an inlet of the heater (4), an outlet of the heater (4) is communicated with an inlet of the battery pack water jacket (8), an outlet of the battery pack water jacket (8) is communicated with an inlet of a first three-way valve (11), a heat dissipation valve of the first three-way valve (11) is communicated with an inlet of the radiator (12), an outlet of the radiator (12) is communicated with a first inlet of a second three-way valve (15), a heating valve of the first three-way valve (11) is communicated with a second inlet of the second three-way valve (15) through a heating loop, an outlet of the second three-way valve (15) is communicated with an inlet of the water tank (17), and an outlet of the water tank (17) is communicated with an inlet of the water pump (1), so that a circulation loop is formed; a first detection assembly is arranged at an outlet of the water pump (1), and is used for monitoring test parameters of cooling liquid at the outlet of the water pump (1); a second detection assembly is arranged at an outlet of the heater (4), and is used for monitoring test parameters of cooling liquid at the outlet of the heater (4); a third detection assembly is arranged at an outlet of the battery pack water jacket (8), and is used for monitoring test parameters of cooling liquid at the outlet of the battery pack water jacket (8); a fourth detection assembly is arranged at an outlet of the radiator (12) and used for monitoring test parameters of cooling liquid at the outlet of the radiator (12); a fifth detection assembly is arranged on the heating loop and used for monitoring the flow of the cooling liquid in the heating loop; the heater (4) is used for heating the battery pack, and the radiator (12) is used for radiating the heat of the battery pack.
2. The battery water jacket test system according to claim 1, wherein the first detection assembly comprises a first temperature sensor (2) and a first pressure sensor (3), the first temperature sensor (2) is used for monitoring the temperature of the cooling liquid at the outlet of the water pump (1), and the first pressure sensor (3) is used for monitoring the pressure of the cooling liquid at the outlet of the water pump (1).
3. The battery water jacket test system according to claim 1, wherein the second detection assembly comprises a second temperature sensor (5), a second pressure sensor (6) and a first flow sensor (7), the second temperature sensor (5) is used for monitoring the temperature of the heater (4) outlet coolant, the second pressure sensor (6) is used for monitoring the pressure of the heater (4) outlet coolant, and the first flow sensor (7) is used for monitoring the flow of the heater (4) outlet coolant.
4. The battery water jacket test system according to claim 1, wherein the third detection assembly comprises a third temperature sensor (9) and a third pressure sensor (10), the third temperature sensor (9) is used for monitoring the temperature of the coolant at the outlet of the battery pack water jacket (8), and the third pressure sensor (10) is used for monitoring the pressure of the coolant at the outlet of the battery pack water jacket (8).
5. The battery water jacket test system according to claim 1, wherein the fourth detection assembly comprises a fourth temperature sensor (13) and a second flow sensor (14), the fourth temperature sensor (13) being configured to monitor the temperature of the radiator (12) outlet coolant, the second flow sensor (14) being configured to monitor the flow rate of the radiator (12) outlet coolant.
6. The battery water jacket test system according to claim 1, wherein the fifth detection assembly comprises a third flow sensor (16), the third flow sensor (16) being configured to monitor a flow rate of the cooling liquid on the heating circuit.
7. The battery water jacket test system according to claim 1, characterized in that when the temperature of the battery is lower than a preset temperature, the heater (4) is opened, the heating valve of the first three-way valve (11) is opened, the heat dissipation valve of the first three-way valve (11) is closed, and the cooling liquid in the circulation loop is heated by the heater (4) and is acted by the water pump (1) so as to heat the battery pack; when the temperature of the battery is higher than the preset temperature, the heater (4) is closed, the heating valve of the first three-way valve (11) is closed, the heat dissipation valve of the first three-way valve (11) is opened, and the cooling liquid in the circulation loop passes through the heat radiator (12) under the action of the water pump (1), so that the heat of the battery pack is dissipated.
8. The battery water jacket test system according to any one of claims 1 to 7, wherein a heat exchange channel is arranged in the heater (4); when the heater is started, cooling liquid is heated through the heat exchange channel and flows out of an outlet of the heater; when the heater is switched off, the cooling liquid directly flows out of the outlet of the heater through the heat exchange channel.
9. The battery water jacket test system according to any one of claims 1 to 7, wherein the battery water jacket test system is applicable to battery tests of electric vehicles.
10. An electric automobile heat management test system comprises a battery water jacket test system, a battery heat management system, an air conditioner heat management system, a data acquisition system, a motor heat management system and a computer, and is characterized in that the battery water jacket test system is the battery water jacket test system according to any one of claims 1 to 8; the battery thermal management system, the air conditioner thermal management system and the motor thermal management system are respectively electrically connected with the data acquisition system, and the data acquisition system is also electrically connected with the computer; the data acquisition system is used for acquiring pressure, temperature or flow in the battery thermal management system, the air conditioner thermal management system and the motor thermal management system.
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| CN209336525U (en) * | 2018-11-29 | 2019-09-03 | 北京长城华冠汽车技术开发有限公司 | A kind of battery thermal management system applied to hybrid electric vehicle |
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| CN109094356B (en) * | 2018-09-30 | 2021-08-03 | 安徽江淮汽车集团股份有限公司 | Electric automobile thermal management system |
| CN210258100U (en) * | 2019-05-30 | 2020-04-07 | 奇瑞商用车（安徽）有限公司 | Electric automobile thermal management system |
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| CN108128177A (en) * | 2016-12-01 | 2018-06-08 | 现代自动车株式会社 | Automobile-used liquid-cooled cooling heating system and the method using the system |
| JP2020075569A (en) * | 2018-11-06 | 2020-05-21 | 株式会社ケーヒン | Temperature regulator |
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