CN111342089A - Thermal management testing device and method for fuel cell vehicle - Google Patents
Thermal management testing device and method for fuel cell vehicle Download PDFInfo
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- CN111342089A CN111342089A CN202010167378.6A CN202010167378A CN111342089A CN 111342089 A CN111342089 A CN 111342089A CN 202010167378 A CN202010167378 A CN 202010167378A CN 111342089 A CN111342089 A CN 111342089A
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 239000000446 fuel Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title abstract description 11
- 238000003745 diagnosis Methods 0.000 claims abstract description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- 239000001257 hydrogen Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 241000699800 Cricetinae Species 0.000 claims description 2
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- 238000004458 analytical method Methods 0.000 abstract description 3
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- 230000008569 process Effects 0.000 abstract description 2
- 230000001052 transient effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
- H01M8/04708—Temperature of fuel cell reactants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04992—Processes for controlling fuel cells or fuel cell systems characterised by the implementation of mathematical or computational algorithms, e.g. feedback control loops, fuzzy logic, neural networks or artificial intelligence
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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
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The invention provides a thermal management testing device and a thermal management testing method for a fuel cell vehicle, wherein the testing device comprises a vehicle control unit (CAN) bus, an OBD diagnosis request tool, a current sensor, a voltmeter, a temperature sensor, a pressure sensor, a flow sensor, a data acquisition module and an upper computer; the method for using CAN data and OBD diagnosis request data solves the problem that some heat management test key signals of the vehicle are difficult to acquire; the invention is beneficial to the comprehensive analysis of vehicle test data and the analysis of the running state and the transient process of the heating value of key hydrogen-related components by synchronously acquiring the power CAN data, the OBD diagnostic data and the sensor data.
Description
Technical Field
The invention belongs to the field of new energy automobiles, and particularly relates to a thermal management testing device and method for a fuel cell vehicle.
Background
The thermal management technology of the fuel cell vehicle is one of core key technologies for development and evaluation, and has decisive influence on the performance, safety and service life of a whole vehicle power system. If the design is not reasonable, the performance of the fuel cell is reduced, the service life of the fuel cell is shortened, and even potential safety hazards are caused. In order to ensure the normal operation and riding comfort of the fuel cell automobile, it is necessary to perform a comprehensive thermal management test on the whole automobile. However, the thermal management system of the fuel cell vehicle has a complex structure, the whole vehicle is compact in arrangement, the sensor arrangement difficulty is high, and key signals are difficult to obtain, so that the thermal management testing device and the thermal management testing method of the fuel cell vehicle are an important basis for analyzing the thermal management performance of the whole vehicle.
Disclosure of Invention
In view of the above, the present invention is directed to a thermal management testing apparatus for a fuel cell vehicle, so as to solve the above-mentioned problems in the background art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a thermal management testing device of a fuel cell vehicle comprises a vehicle control unit CAN bus, an OBD diagnosis request tool, a current sensor, a voltmeter, a temperature sensor, a pressure sensor, a flow sensor, a data acquisition module and an upper computer, wherein the vehicle control unit CAN bus, the OBD diagnosis request tool, the current sensor, the voltmeter, the temperature sensor, the pressure sensor and the flow sensor are all connected with the input end of the data acquisition module, and the output end of the data acquisition module is connected with the upper computer;
the data acquisition module comprises a CAN interface, a high-voltage interface, a current interface, a temperature interface, a pressure interface and a flow interface;
the whole vehicle controller CAN bus is connected with a whole vehicle controller, collects vehicle signals, leads out a wiring terminal from the whole vehicle controller CAN bus, and connects the wiring terminal to the data collection module CAN interface;
the OBD diagnosis request tool is fixed on a rear seat of the vehicle and comprises two wiring ends, wherein one end of the wiring ends is connected to an OBD interface of the vehicle, and the other end of the wiring ends is connected to a CAN interface of the data acquisition module;
the upper computer is arranged on the back row seat and used for receiving the data uploaded by the data acquisition module.
Further, the OBD diagnosis request tool accesses key parameters of the vehicle through an OBD interface according to a vehicle diagnosis access mechanism, and transmits diagnosis data obtained through access to the CAN interface.
Further, the OBD diagnosis request tool at least collects signals including temperature, pressure, residual hydrogen state, hydrogen supply valve switch, electric pile start-stop state, electric pile water pump rotating speed and cooling fan rotating signal of a hydrogen tank.
Furthermore, the current sensor is arranged at the output end of the galvanic pile, the output cable of the power battery, the output cable of the BHDC high-voltage end, the MCU input cable, the BPCU input cable, the PTC input cable, the cooling fan input cable and the galvanic pile heater cable and is used for collecting current signals of the components.
Furthermore, the voltmeter is connected to the power battery output end, the BHDC high-voltage output end and the galvanic pile voltage output end and is used for acquiring voltage signals of the components.
Further, the temperature sensor is additionally arranged at a galvanic pile water inlet and outlet, a galvanic pile heater water outlet, a warm air core water inlet and outlet, a galvanic pile radiator water inlet and outlet, an MCU water inlet and outlet, a motor water outlet, an FCU water outlet, a BHDC water inlet and outlet, an air compressor water outlet and a power system water inlet and outlet.
Furthermore, the flow sensor is arranged at a water outlet of a stack cooling water pump, a water outlet of a stack radiator, a water outlet of a stack heater, a water outlet of a warm air core body, a water outlet of a power system cooling water pump, a water outlet of an MCU (microprogrammed control unit) and a water outlet of a BHDC (baby hamster kidney DC).
Furthermore, the pressure sensor is arranged at the water inlet of the galvanic pile and the water outlet of the galvanic pile.
The invention also provides a thermal management test method of the fuel cell vehicle, which comprises the following steps
(1) Establishing a test scheme, namely establishing a sensor arrangement scheme and establishing a test outline according to the configuration characteristics of the fuel cell vehicle;
(2) the sensor arrangement and the data are jointly adjusted, so that the accuracy of the acquired voltage signal, current signal, temperature signal, pressure signal, flow signal, power CAN signal and OBD diagnosis signal of the fuel cell system and the high-voltage system is ensured;
(3) carrying out a heat management test, namely developing the heat management test of the whole vehicle according to the test outline;
(4) data examination, examination of test data in real time, stopping the test immediately when a number leakage phenomenon occurs, and debugging equipment again;
(5) and analyzing the heat management performance of the whole vehicle, the heat management of the fuel cell system and the heat management performance of the power system.
Further, the step (3) specifically includes: after the car is fully immersed in the low-temperature environment, starting, accelerating at 100km/h, carrying out a maximum speed or uniform speed of 150km/h, carrying out a heat management test under a typical cycle condition and carrying out a shutdown test; after the car is fully immersed in the high-temperature environment, the heat balance test of 150km/h or the maximum speed, 110km/h or the maximum speed which can be reached under the working condition, 60km/h or the maximum speed which can be reached under the working condition and the typical cycle working condition is carried out.
Compared with the prior art, the thermal management testing device and method for the fuel cell vehicle have the following advantages:
(1) the method for using CAN data and OBD diagnosis request data solves the problem that some heat management test key signals of the vehicle are difficult to acquire;
(2) according to the invention, the power CAN data, the OBD diagnosis data and the sensor data are synchronously acquired, so that the comprehensive analysis of vehicle test data is facilitated, and the running state and the transient process of the heat productivity of key hydrogen-related components are analyzed;
(3) the upper computer of the invention can automatically calculate the real-time power consumption, heat productivity and heat dissipation capacity of each part, thereby improving the data analysis efficiency;
(4) the invention provides a fuel cell vehicle and a heat management test method of a fuel cell system, and provides a test basis for research, development and verification of heat management characteristics of the fuel cell vehicle.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a synchronous signal acquisition of a thermal management testing apparatus and a thermal management testing method for a fuel cell vehicle according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating an installation of a fuel cell system temperature pressure flow sensor of a thermal management testing apparatus for a fuel cell vehicle according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating an installation of a temperature, pressure and flow sensor of a high-pressure system of a thermal management testing apparatus of a fuel cell vehicle according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating an installation of a current and voltage sensor of a high-voltage system of a thermal management testing apparatus for a fuel cell vehicle according to an embodiment of the present invention;
fig. 5 is a flowchart of a hydrogen-electricity energy consumption testing method for a multi-channel data-fused fuel cell vehicle according to an embodiment of the present invention;
description of the reference numerals
1-a CAN bus of a whole vehicle controller; 2-OBD diagnostic request tool; 3-a current sensor; 4-a voltmeter; 5-a temperature sensor; 6-a pressure sensor; 7-a flow sensor; 8-a data acquisition module; 9-an upper computer.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
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 thermal management testing device for the fuel cell vehicle comprises a vehicle control unit CAN bus 1, an OBD diagnosis request tool 2, a current sensor 3, a voltmeter 4, a temperature sensor 5, a pressure sensor 6, a flow sensor 7, a data acquisition module 8 and an upper computer 9.
As shown in fig. 1, the data acquisition module 8 includes a CAN interface, a high voltage interface, a current interface, a temperature interface, a pressure interface, and a flow interface;
as shown in fig. 1, the vehicle controller CAN bus 1 at least includes signals of vehicle speed, accelerator pedal opening, brake pedal opening, gear, motor speed, torque, battery SOC, air compressor speed, temperature, and the like; leading out a terminal from the CAN bus of the whole vehicle controller, and connecting the terminal to the CAN interface of the data acquisition module;
as shown in fig. 1, the OBD diagnosis request tool 2 is fixed on a rear seat of a vehicle, and the OBD diagnosis tool comprises two terminals, wherein one terminal of the OBD diagnosis request tool is connected to an OBD interface of the vehicle, and the other terminal of the OBD diagnosis request tool is connected to a CAN interface of the data acquisition module; the OBD diagnosis request tool 2 accesses key parameters of the vehicle through an OBD interface according to a vehicle diagnosis access mechanism and forwards accessed diagnosis data to a CAN interface; the OBD diagnosis request tool 2 at least comprises signals of the temperature, the pressure, the residual hydrogen state, a hydrogen supply valve switch, the fuel pressure, the start-stop state of the electric pile and the like of the hydrogen tank;
as shown in fig. 4, the current sensor 3 is installed at a stack output end I3, a power battery output cable I2, a BHDC high-voltage end output cable I8, an MCU input cable I1, a PTC input cable I7, a cooling fan input cable I5, a stack heater cable I4, and a stack water pump current I6, and is configured to collect current signals of the above components;
as shown in fig. 4, the voltmeter is connected to the power battery output terminal U2, the BHDC high-voltage output terminal U8, and the stack voltage output terminal U3, and is configured to collect voltage signals of the above components, and further, the location where the voltmeter is installed is specifically determined by analyzing a high-voltage wiring harness diagram of the vehicle;
as shown in fig. 2, the temperature sensors are installed at a stack water inlet/outlet T1T 2, a stack heater water outlet T3, a warm air core water inlet/outlet T8T 9 and a stack radiator water inlet/outlet T5T 6, the flow sensors are installed at a stack cooling water pump water outlet F0, a stack water outlet F2, a stack radiator water outlet F6, a stack heater water outlet F3 and a warm air core water outlet F8, and the pressure sensors are installed at a stack water inlet P1 and a stack water outlet P2;
as shown in fig. 3, the temperature sensor is additionally installed at an MCU water inlet/outlet t2, a motor water outlet t3, an FCU water outlet t4, a BHDC water inlet/outlet t1 t5, an air compressor water outlet t6 and a power system radiator water inlet/outlet t8 t 9; the flow sensor is arranged at a water outlet f1 of a cooling water pump of the power system, a water outlet f2 of the MCU and a water outlet f5 of the BHDC;
as shown in fig. 1, the upper computer 9 is installed on the rear seat and used for receiving the data uploaded by the data acquisition module, specifically displays the acquired CAN data, OBD diagnostic data and data acquired by each sensor in real time, and CAN calculate data such as power consumption, heating, heat dissipation and the like of each component in real time.
As shown in fig. 5, another objective of the present invention is to provide a thermal management testing method for a fuel cell vehicle, which is implemented as follows:
the device and the method for testing the thermal management of the fuel cell vehicle specifically comprise the following steps:
(1) establishing a test scheme, namely establishing a sensor arrangement scheme and establishing a test outline according to the configuration characteristics of the fuel cell vehicle;
(2) the sensor arrangement and the data are jointly adjusted, so that the accuracy of the acquired voltage signal, current signal, temperature signal, pressure signal, flow signal, power CAN signal and OBD diagnosis signal of the fuel cell system and the high-voltage system is ensured;
(3) carrying out a heat management test, namely developing the heat management test of the whole vehicle according to the test outline;
(4) data examination, examination of test data in real time, stopping the test immediately when a number leakage phenomenon occurs, and debugging equipment again;
(5) and analyzing the heat management performance of the whole vehicle, the heat management of the fuel cell system and the heat management performance of the power system.
As shown in fig. 5, the step (1) specifically includes: mastering a vehicle power system architecture, analyzing a thermal management loop and a working mode of a fuel cell system, analyzing the feasibility of sensing arrangement of temperature, flow, pressure, current, voltage and the like, formulating an arrangement scheme, analyzing a vehicle working mode, and formulating a test outline according to the analyzed vehicle working mode;
as shown in fig. 5, the test outline in step (1) includes a low-temperature environment test scheme and a high-temperature environment test scheme, the low-temperature environment test outline includes a complete vehicle static start-stop thermal management test scheme, a complete vehicle acceleration thermal management test scheme, and a cycle condition thermal management test scheme, and the high-temperature environment test scheme includes a high-speed working condition, a high-speed climbing working condition, a low-speed climbing working condition, and a cycle condition thermal balance test scheme.
As shown in fig. 5, the step (2) specifically includes: the temperature, pressure, flow, current and voltage sensors are arranged at corresponding test positions to ensure that the temperature, pressure, flow, current and voltage sensors do not loosen and fall off; the method comprises the steps that a data acquisition module is used for synchronously acquiring sensor data such as temperature, pressure, flow, current and voltage of a fuel cell system and a high-voltage system, a power CAN signal and an OBD diagnosis signal, and in order to ensure the reliability of data acquisition, limit working condition testing is carried out to ensure the reliable data acquisition under the limit working condition;
as shown in fig. 5, the step (3) specifically includes: after the car is fully immersed in the low-temperature environment, starting, accelerating at 100km/h, carrying out a maximum speed or uniform speed of 150km/h, carrying out a heat management test under a typical cycle condition and carrying out a shutdown test; further, after the car is fully immersed in the high-temperature environment, a heat balance test of 150km/h or the maximum speed, 110km/h or the maximum speed which can be reached under the working condition, 60km/h or the maximum speed which can be reached under the working condition and a typical cycle working condition is carried out.
As shown in fig. 5, the step (4) specifically includes monitoring the thermal management test data in real time and playing back the acquired data, checking whether an error frame exists in the acquired data, and whether uploading of the sensor data is stopped, if similar conditions exist, stopping the test, resetting the device, and supplementing corresponding test conditions again;
as shown in fig. 5, further, the step (5) specifically includes: the method comprises the steps of analyzing the heat dissipation capacity of key components of the fuel cell system such as a galvanic pile, a galvanic pile heater, a galvanic pile radiator, an air compressor and the like under different working conditions of a low-temperature environment, analyzing the heat dissipation capacity of high-voltage components such as a motor, an MCU, a battery and the like, analyzing the correlation between the running state and the heat dissipation capacity of the whole vehicle and each component, analyzing the threshold value of opening and closing of each heat management loop according to data analysis and theoretical research, and analyzing the heat management control strategy of the fuel cell system.
Preferably, the heat calculation method is as follows:
Q＝Cp×q×ΔT
q is the heat (J) generated from time t1 to time t 2; cp is the specific heat capacity (J/Kg) of the cooling liquid, q is the flow rate (Kg) of the cooling liquid from the time T1 to the time T2, and DeltaT is the temperature difference (DEG C) of the cooling liquid from the time T1 to the time T2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a fuel cell car heat management testing arrangement which characterized in that: the system comprises a vehicle control unit CAN bus, an OBD diagnosis request tool, a current sensor, a voltmeter, a temperature sensor, a pressure sensor, a flow sensor, a data acquisition module and an upper computer, wherein the vehicle control unit CAN bus, the OBD diagnosis request tool, the current sensor, the voltmeter, the temperature sensor, the pressure sensor and the flow sensor are all connected with the input end of the data acquisition module, and the output end of the data acquisition module is connected with the upper computer;
the data acquisition module comprises a CAN interface, a high-voltage interface, a current interface, a temperature interface, a pressure interface and a flow interface;
the whole vehicle controller CAN bus is connected with a whole vehicle controller, collects vehicle signals, leads out a wiring terminal from the whole vehicle controller CAN bus, and connects the wiring terminal to the data collection module CAN interface;
the OBD diagnosis request tool is fixed on a rear seat of the vehicle and comprises two wiring ends, wherein one end of the wiring ends is connected to an OBD interface of the vehicle, and the other end of the wiring ends is connected to a CAN interface of the data acquisition module;
the upper computer is arranged on the back row seat and used for receiving the data uploaded by the data acquisition module.
2. The thermal management test device for the fuel cell vehicle according to claim 1, wherein: the OBD diagnosis request tool accesses key parameters of the vehicle through an OBD interface according to a vehicle diagnosis access mechanism and forwards accessed diagnosis data to the CAN interface.
3. The thermal management test device for the fuel cell vehicle according to claim 1, wherein: the OBD diagnosis request tool at least collects signals including temperature, pressure, residual hydrogen state, hydrogen supply valve switch, galvanic pile start-stop state, galvanic pile water pump rotating speed and cooling fan rotating signal of a hydrogen tank.
4. The thermal management test device for the fuel cell vehicle according to claim 1, wherein: the current sensor is arranged at the output end of the galvanic pile, the output cable of the power battery, the output cable of the BHDC high-voltage end, the MCU input cable, the BPCU input cable, the PTC input cable, the cooling fan input cable and the galvanic pile heater cable and is used for collecting current signals of the components.
5. The thermal management test device for the fuel cell vehicle according to claim 1, wherein: and the voltmeter is connected to the output end of the power battery, the high-voltage output end of the BHDC and the voltage output end of the galvanic pile and is used for acquiring voltage signals of the components.
6. The thermal management test device for the fuel cell vehicle according to claim 1, wherein: the temperature sensor is additionally arranged at a galvanic pile water inlet/outlet, a galvanic pile heater water outlet, a warm air core body water inlet/outlet, a galvanic pile radiator water inlet/outlet, an MCU water inlet/outlet, a motor water outlet, an FCU water outlet, a BHDC water inlet/outlet, an air compressor water outlet and a power system water inlet/outlet.
7. The thermal management test device for the fuel cell vehicle according to claim 1, wherein: the flow sensor is arranged at a water outlet of a galvanic pile cooling water pump, a water outlet of a galvanic pile radiator, a water outlet of a galvanic pile heater, a water outlet of a warm air core body, a water outlet of a power system cooling water pump, a water outlet of an MCU (microprogrammed control unit) and a water outlet of a BHDC (baby hamster kidney DC).
8. The thermal management test device for the fuel cell vehicle according to claim 1, wherein: the pressure sensor is arranged at the water inlet of the galvanic pile and the water outlet of the galvanic pile.
9. A thermal management test method for a fuel cell vehicle is characterized by comprising the following steps: comprises the following steps
(1) Establishing a test scheme, namely establishing a sensor arrangement scheme and establishing a test outline according to the configuration characteristics of the fuel cell vehicle;
(2) the sensor arrangement and the data are jointly adjusted, so that the accuracy of the acquired voltage signal, current signal, temperature signal, pressure signal, flow signal, power CAN signal and OBD diagnosis signal of the fuel cell system and the high-voltage system is ensured;
(3) carrying out a heat management test, namely developing the heat management test of the whole vehicle according to the test outline;
(4) data examination, examination of test data in real time, stopping the test immediately when a number leakage phenomenon occurs, and debugging equipment again;
(5) and analyzing the heat management performance of the whole vehicle, the heat management of the fuel cell system and the heat management performance of the power system.
10. The fuel cell vehicle thermal management test method according to claim 9, characterized in that: the step (3) specifically comprises: after the car is fully immersed in the high-temperature environment, the heat management test and the shutdown test are carried out for starting, accelerating at 100km/h, realizing the highest speed or uniform speed at 150km/h, and carrying out the heat management test and the shutdown test for the typical cycle condition, and after the car is fully immersed in the high-temperature environment, the heat balance test is carried out for 150km/h or the maximum speed, 110km/h or the maximum speed which can be reached under the condition, 60km/h or the maximum speed which can be reached under the condition, and the typical cycle condition.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539937A (en) * | 2020-12-11 | 2021-03-23 | 奇瑞汽车股份有限公司 | Method for testing start-stop reliability of 48V system |
| CN112542601A (en) * | 2020-08-12 | 2021-03-23 | 中国汽车技术研究中心有限公司 | Thermal balance testing device and testing method for fuel cell vehicle |
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| CN112542601A (en) * | 2020-08-12 | 2021-03-23 | 中国汽车技术研究中心有限公司 | Thermal balance testing device and testing method for fuel cell vehicle |
| CN112542601B (en) * | 2020-08-12 | 2021-08-31 | 中国汽车技术研究中心有限公司 | Thermal balance testing device and testing method for fuel cell vehicle |
| CN112539937A (en) * | 2020-12-11 | 2021-03-23 | 奇瑞汽车股份有限公司 | Method for testing start-stop reliability of 48V system |
| CN112798296A (en) * | 2020-12-31 | 2021-05-14 | 东风汽车集团有限公司 | Evaluation method and evaluation system for low-temperature performance of fuel cell vehicle |
| CN112798296B (en) * | 2020-12-31 | 2021-11-30 | 东风汽车集团有限公司 | Evaluation method and evaluation system for low-temperature performance of fuel cell vehicle |
| CN113029549A (en) * | 2021-04-29 | 2021-06-25 | 重庆长安新能源汽车科技有限公司 | New energy automobile thermal management system test device |
| CN113495007A (en) * | 2021-06-21 | 2021-10-12 | 中国汽车技术研究中心有限公司 | Thermal balance test evaluation method for fuel cell vehicle |
| CN113686587A (en) * | 2021-07-08 | 2021-11-23 | 中汽研新能源汽车检验中心(天津)有限公司 | Be used for pure electronic passenger car heat management coupling capability test system |
| CN113686587B (en) * | 2021-07-08 | 2023-07-04 | 中汽研新能源汽车检验中心(天津)有限公司 | Thermal management coupling performance test system for pure electric passenger car |
| CN114778142A (en) * | 2022-06-20 | 2022-07-22 | 江苏中关村科技产业园节能环保研究有限公司 | Electric automobile heat management waterway system testing device |
| WO2023245953A1 (en) * | 2022-06-20 | 2023-12-28 | 江苏中关村科技产业园节能环保研究有限公司 | Electric vehicle thermal management water path system test device |
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