阅读说明：本技术 氢能汽车燃料电池热管理温度控制系统及氢能汽车 (Thermal management temperature control system for fuel cell of hydrogen energy automobile and hydrogen energy automobile ) 是由 杨毅明 郝义国 陈帅 田杰安 汪江 于 2020-12-17 设计创作，主要内容包括：本发明提供一种氢能汽车燃料电池热管理温度控制系统及氢能汽车,前方道路信息获取模块用于获取前方道路信息；燃料电池系统控制器依据车辆性能参数,根据整车热管理控制原理建立热管理控制模型,燃料电池系统控制器与前方道路信息获取模块通讯连接,接收前方道路信息；电子水泵、电子节温器和电子风扇与燃料电池系统控制器电性连接,燃料电池系统控制器根据前方道路信息,依据热管理控制模型,计算出各部件的工作参数,燃料电池系统控制器根据各工作参数对电子水泵、电子节温器和电子风扇进行控制。本发明提出的技术方案的有益效果是：实现对燃料电池热管理温度的主动控制,使得燃料电池系统内水温波动更小,保证燃料电池效率。(The invention provides a thermal management temperature control system of a fuel cell of a hydrogen energy automobile and the hydrogen energy automobile, wherein a front road information acquisition module is used for acquiring front road information; the fuel cell system controller establishes a thermal management control model according to vehicle performance parameters and a whole vehicle thermal management control principle, is in communication connection with the front road information acquisition module and receives front road information; the electronic water pump, the electronic thermostat and the electronic fan are electrically connected with the fuel cell system controller, the fuel cell system controller calculates working parameters of all parts according to road information in front and a thermal management control model, and the fuel cell system controller controls the electronic water pump, the electronic thermostat and the electronic fan according to the working parameters. The technical scheme provided by the invention has the beneficial effects that: the active control on the thermal management temperature of the fuel cell is realized, so that the fluctuation of the water temperature in the fuel cell system is smaller, and the efficiency of the fuel cell is ensured.)

1. A thermal management temperature control system of a fuel cell of a hydrogen energy automobile is characterized by comprising:

the front road information acquisition module is used for acquiring front road information;

the fuel cell system controller is in communication connection with the front road information acquisition module and receives the front road information;

the electronic water pump, the electronic thermostat and the electronic fan are electrically connected with the fuel cell system controller, the fuel cell system controller calculates working parameters of the electronic water pump, the electronic thermostat and the electronic fan according to the front road information and the thermal management control model, and the fuel cell system controller controls the electronic water pump, the electronic thermostat and the electronic fan according to the working parameters.

2. The system of claim 1, wherein the vehicle performance parameters include one or more of vehicle weight, windage coefficient, rolling resistance coefficient, tire diameter, electronic water pump performance, electronic fan performance, and electronic thermostat performance.

3. The system of claim 1, wherein the overall vehicle thermal management control principles comprise one or more of overall vehicle control principles, thermal management principles, thermodynamics, and thermal transfer chemistry.

4. The system of claim 1, wherein the front road information comprises one or more of road patency, traffic light data, front road grade, and distance.

5. A hydrogen-powered vehicle, characterized by comprising the thermal management temperature control system of the fuel cell of the hydrogen-powered vehicle according to any one of claims 1 to 4.

Technical Field

The invention relates to the technical field of hydrogen energy automobiles, in particular to a thermal management temperature control system of a fuel cell of a hydrogen energy automobile and the hydrogen energy automobile.

Background

As fuel cell technology has matured, the use of fuel cell technology in automobiles has increased. But has more limitations compared to the conventional automobile due to the characteristics of the fuel cell itself. Among them, the fuel cell is particularly sensitive to temperature. As the water temperature increases from low to high, the fuel cell efficiency increases gradually, but the water temperature exceeds a certain limit (typically 80 ℃), which in turn affects the catalyst and reaction efficiency. Therefore, the working temperature range of the common fuel cell is required to be 70-80 ℃, and the temperature range is narrower compared with that of the traditional fuel vehicle.

At present, in the traditional engine and fuel cell heat management control, water temperature changes are caused by power changes, so that the working states of cooling system parts such as a water pump, a thermostat, a fan rotating speed and the like are adjusted, the water temperature is guaranteed to fluctuate in a small range, the water temperature is guaranteed to work in a reasonable range, and the passive regulation is realized.

Although the reaction speed and the control accuracy of the electrical parts used by the fuel cell are greatly improved compared with the mechanical transmission control of the traditional vehicle thermal management system parts along with the electrical development of parts such as a water pump, a thermostat, a fan and the like, the temperature fluctuation caused by passive regulation still cannot be avoided. Not only is temperature fluctuations a waste of energy, but in addition to the fuel cell's sensitivity to temperature, active regulation strategies for fuel cell thermal management become critical.

Disclosure of Invention

In view of the above, embodiments of the present invention provide a thermal management temperature control system for a fuel cell of a hydrogen energy vehicle and a hydrogen energy vehicle.

The embodiment of the invention provides a thermal management temperature control system for a fuel cell of a hydrogen energy automobile, which comprises:

the front road information acquisition module is used for acquiring front road information;

the fuel cell system controller is in communication connection with the front road information acquisition module and receives the front road information;

the electronic water pump, the electronic thermostat and the electronic fan are electrically connected with the fuel cell system controller, the fuel cell system controller calculates working parameters of the electronic water pump, the electronic thermostat and the electronic fan according to the front road information and the thermal management control model, and the fuel cell system controller controls the electronic water pump, the electronic thermostat and the electronic fan according to the working parameters.

Further, the vehicle performance parameters comprise one or more of vehicle weight, wind resistance coefficient, rolling resistance coefficient, tire diameter, electronic water pump performance, electronic fan performance and electronic thermostat performance.

Further, the overall vehicle thermal management control principle comprises one or more of an overall vehicle control principle, a thermal management principle, thermodynamics and a heat transfer theory.

Further, the front road information includes one or more of road smoothness, traffic light data, front road gradient and distance

The embodiment of the invention also provides a hydrogen energy automobile which comprises the thermal management temperature control system of the fuel cell of the hydrogen energy automobile.

The technical scheme provided by the embodiment of the invention has the following beneficial effects: according to vehicle performance parameters, after a thermal management control model is established according to a whole vehicle thermal management control principle, the output power required by an electronic water pump, an electronic thermostat and an electronic fan can be calculated by acquiring the road information in front of the vehicle and taking the road information in front as an input value and taking the thermal management control model as an operation model, a fuel cell system controller controls the electronic water pump, the electronic thermostat and the electronic fan according to the required output power, the traditional method of firstly adjusting the water temperature can be avoided, then the working states of cooling system parts such as the electronic water pump, the electronic thermostat and the electronic fan are adjusted through the water temperature, active control is carried out, active control on the thermal management temperature of a fuel cell is realized, the fluctuation of the water temperature in the fuel cell system is smaller, the efficiency of the fuel cell is ensured, and meanwhile, parts such as the electronic water pump, the electronic thermostat and the electronic fan can be more accurately involved in work, the purpose of energy conservation is achieved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a thermal management temperature control system of a hydrogen energy automobile fuel cell provided by the invention.

In the figure: the system comprises a front road information acquisition module 1, a fuel cell system controller 2, an electronic water pump 3, an electronic thermostat 4 and an electronic fan 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.

The embodiment of the invention provides a thermal management temperature control system for a fuel cell of a hydrogen energy automobile and the hydrogen energy automobile, and has the innovation point that the thermal management temperature control system for the fuel cell of the hydrogen energy automobile is used, so that the thermal management temperature control system for the fuel cell of the hydrogen energy automobile is specifically explained.

Referring to fig. 1, an embodiment of the present invention provides a thermal management temperature control system for a fuel cell of a hydrogen energy vehicle, including a front road information obtaining module 1, a fuel cell system controller 2, an electronic water pump 3, an electronic thermostat 4, and an electronic fan 5.

The front road information acquisition module 1 is used for acquiring front road information, the front road information acquisition module 1 comprises a GPS navigation positioning module, an ADAS module, an image acquisition module and the like, and the acquired front road information comprises road smoothness, traffic light data, front road gradient, distance and the like. The fuel cell system controller 2 establishes a thermal management control model according to vehicle performance parameters and a whole vehicle thermal management control principle. The vehicle performance parameters comprise the whole vehicle weight, the wind resistance coefficient, the rolling resistance coefficient, the tire diameter, the performance of the electronic water pump 3, the performance of the electronic fan 5, the performance of the electronic thermostat 4 and the like. The whole vehicle heat management control principle comprises a whole vehicle control principle, a heat management principle, thermodynamics, heat transfer science and the like. The fuel cell system controller 2 is in communication connection with the front road information acquisition module 1 and receives the front road information. Electronic water pump 3, electronic thermostat 4 and electronic fan 5 with 2 electric connection of fuel cell system controller, fuel cell system controller 2 basis the place ahead road information, according to the thermal management control model calculates the working parameter of electronic water pump 3, electronic thermostat 4, electronic fan 5, fuel cell system controller 2 is according to each the working parameter is right electronic water pump 3, electronic thermostat 4 and electronic fan 5 control.

According to vehicle performance parameters, after a thermal management control model is established according to a whole vehicle thermal management control principle, the output power required by the electronic water pump 3, the electronic thermostat 4 and the electronic fan 5 can be calculated by acquiring the road information in front of the vehicle and taking the road information in front as an input value and taking the thermal management control model as an operation model, and the fuel cell system controller 2 controls the electronic water pump 3, the electronic thermostat 4 and the electronic fan 5 according to the required output power, so that the traditional method of firstly adjusting the water temperature and then adjusting the working states of the components of a cooling system such as the electronic water pump 3, the electronic thermostat 4 and the electronic fan 5 through the water temperature can be avoided, active control on the thermal management temperature of the fuel cell is realized, the fluctuation of the water temperature in the fuel cell system is smaller, the efficiency of the fuel cell is ensured, and meanwhile, the electronic water pump 3, the electronic fan 5, The electronic thermostat 4, the electronic fan 5 and other parts can be more accurately involved in work, and the purpose of energy conservation is achieved.

Specifically, when the front road is a long-distance uphill, the fuel cell system controller 2 acquires information of the high-speed long-distance uphill in front, calculates that the output power of the fuel cell needs to be increased by delta W according to the thermal management control model, calculates that the rotating speed of the electronic water pump 3 needs to reach Vpump to avoid the rise of water temperature and ensure that the temperature difference of the inlet and the outlet of the electric pile is small, and controls the electronic water pump 3, the electronic thermostat 4 and the electronic fan 5 according to the working parameters so as to actively reach the thermal balance state under the power, avoid the passive arrival after the rise of water temperature and ensure the stability of water temperature, wherein the rotating speed of the electronic water pump 3 needs to reach Vpump, and the electronic fan 5 needs to be rotated to reach the angle theta.

When the vehicle is in a high-power driving state and the road in front is a long-distance downhill, the electronic fan 5 and the electronic water pump 3 are operated at a high rotating speed, the angle of the electronic thermostat 4 is also completely opened, and the water temperature in the fuel cell system is relatively high at the moment. When the vehicle runs at high power and the fuel cell system controller 2 acquires the long-distance downhill information ahead, the output power of the fuel cell needs to be reduced by delta W, the rotating speed of the electronic water pump 3 needs to be reduced to Vpump, the electronic thermostat 4 needs to rotate to an angle theta, and the rotating speed of the electronic fan 5 needs to be reduced to V according to the thermal management control model. Even if the current water temperature is high, the rotating speed of the electronic water pump 3 can be reduced in advance, the rotating speed of the electronic fan 5 is reduced or the electronic fan 5 stops running, the thermal balance state under the power can be actively achieved, the cooling effect can be provided for the electronic fan by utilizing the wind speed caused by long downhill, the heat dissipation is assisted by utilizing external conditions, and the energy conservation is realized. In contrast, in the conventional passive control, when the water temperature does not drop to a required value, the rotation speeds of the electronic water pump 3 and the electronic fan 5 are not reduced in advance.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

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.