阅读说明：本技术 一种多供氢系统控制器组网控制系统、方法及氢能汽车 (Multi-hydrogen-supply-system controller networking control system and method and hydrogen energy automobile ) 是由 李昌泉 郝义国 刘飞 于 2021-06-23 设计创作，主要内容包括：本发明涉及氢能汽车供氢控制领域,提供了一种供氢系统控制器组网控制系统、方法及氢能汽车,该系统包括：主子网和副子网；主子网和副子网分别包括：并联连接的多个储氢瓶,与对应的储氢瓶贯通相连的多个氢气瓶阀；分别与多个氢气瓶阀电连接的供氢系统控制器；主子网和副子网之间通过CAN线连接组成供氢系统；主子网中的供氢系统控制器,实时采集处理主子网的内部信息和供氢系统的系统信息；副子网中的供氢系统控制器,实时采集处理副子网的内部信息；当一方出现故障时,另一方对部分信息进行接管和更新。本发明突破了单件供氢系统控制器所控储氢瓶数量的限制,主子网和副子网之间安全监控,协同工作,保证车辆供氢系统正常运行,提高了供氢效率。(The invention relates to the field of hydrogen supply control of hydrogen energy automobiles, and provides a networking control system and method for a hydrogen supply system controller and a hydrogen energy automobile, wherein the system comprises: a primary subnet and a secondary subnet; the primary subnet and the secondary subnet respectively comprise: a plurality of hydrogen cylinder valves which are connected in parallel and communicated with the corresponding hydrogen cylinders; a hydrogen supply system controller electrically connected to the plurality of hydrogen cylinder valves, respectively; the main sub-network and the auxiliary sub-network are connected through a CAN (controller area network) line to form a hydrogen supply system; the hydrogen supply system controller in the main subnet collects and processes the internal information of the main subnet and the system information of the hydrogen supply system in real time; a hydrogen supply system controller in the auxiliary subnet collects and processes the internal information of the auxiliary subnet in real time; when one party fails, the other party takes over and updates part of the information. The invention breaks through the limit of the quantity of the hydrogen storage bottles controlled by the controller of the single hydrogen supply system, and the main sub-network and the auxiliary sub-network are safely monitored and cooperatively work, thereby ensuring the normal operation of the vehicle hydrogen supply system and improving the hydrogen supply efficiency.)

1. A multi-hydrogen supply system controller networking control system is characterized by comprising: a primary subnetwork (01) and a secondary subnetwork (02);

the master subnet (01) comprises:

the main hydrogen storage bottle group comprises a plurality of main hydrogen storage bottles (1), and the main hydrogen storage bottles (1) are respectively connected in parallel on a main hydrogen supply pipeline through connecting pipelines;

the main hydrogen cylinder valves (2), each main hydrogen cylinder valve (2) is communicated with the corresponding main hydrogen storage cylinder (1);

the main hydrogen supply system controller (5), the main hydrogen supply system controller (5) is respectively and electrically connected with the main hydrogen cylinder valves (2);

the secondary subnetwork (02) comprises:

the auxiliary hydrogen storage bottle group comprises a plurality of auxiliary hydrogen storage bottles (3), and the auxiliary hydrogen storage bottles (3) are respectively connected in parallel on an auxiliary hydrogen supply pipeline through connecting pipelines;

a plurality of auxiliary hydrogen cylinder valves (4), wherein each auxiliary hydrogen cylinder valve (4) is communicated with the corresponding auxiliary hydrogen storage cylinder (3);

the auxiliary hydrogen supply system controller (6), the auxiliary hydrogen supply controller (6) is respectively and electrically connected with the plurality of auxiliary hydrogen cylinder valves (4);

the main subnet (01) and the auxiliary subnet (02) are connected through a CAN (controller area network) line to form a hydrogen supply system;

the main hydrogen supply system controller (5) is used for acquiring and processing the internal information of the main subnet (01) and the system information of the hydrogen supply system in real time;

the auxiliary hydrogen supply system controller (6) is used for collecting and processing the internal information of the auxiliary subnet (02) in real time;

when one of the main hydrogen supply system controller (5) or the auxiliary hydrogen supply system controller (6) has a fault, the other takes over and updates part of information to realize the normal operation of the hydrogen supply system.

2. The multi-hydrogen-supply-system-controller networking control system according to claim 1, wherein the internal information comprises: the driving of a hydrogen cylinder valve in the subnet, and the temperature and the pressure of hydrogen in a hydrogen storage cylinder in the subnet.

3. The multi-hydrogen-supply-system-controller networking control system according to claim 1, wherein the system information includes: high pressure of a hydrogen supply system, medium pressure of the hydrogen supply system, residual hydrogen amount of the hydrogen supply system and hydrogenation times of the hydrogen supply system.

4. The multi-hydrogen-supply-system controller networking control system according to claim 1, wherein the main hydrogen cylinder group comprises at least six main hydrogen cylinders (1).

5. The networked control system of a multiple hydrogen supply system controller according to claim 1, wherein the group of secondary hydrogen cylinders comprises at least six of the secondary hydrogen cylinders (3).

6. The multi-hydrogen-supply-system-controller networking control system according to any one of claims 1 to 5, wherein the main hydrogen supply system controller (5) and the secondary hydrogen supply system controller (6) are computers, single-chip microcomputers or programmable controllers.

7. A networking control method for a controller of a multiple hydrogen supply system, which is based on the networking control system for the controller of the multiple hydrogen supply system as claimed in any one of claims 1 to 6, and which comprises the following steps:

the main hydrogen supply system controller (5) collects and processes the internal information of the main subnet (01) and the system information of the hydrogen supply system in real time;

the auxiliary hydrogen supply system controller (6) collects and processes the internal information of the auxiliary subnet (02) in real time;

when one of the main hydrogen supply system controller (5) or the auxiliary hydrogen supply system controller (6) has a fault, the other takes over and updates part of information to realize the normal operation of the hydrogen supply system.

8. A hydrogen-powered automobile comprising a networked control system of multiple hydrogen supply system controllers as claimed in any one of claims 1 to 6.

Technical Field

The invention relates to the field of hydrogen supply control of hydrogen energy automobiles, in particular to a multi-hydrogen supply system controller networking control system and method and a hydrogen energy automobile.

Background

Hydrogen, known as the ultimate energy of the 21 st century, has been increasingly used as an automotive energy source. For example, Mirai series of toyota corporation and Nexo series of modern corporation are all hydrogen fuel cell vehicles using hydrogen as an energy source, and therefore, a hydrogen supply system becomes one of important systems of the hydrogen fuel cell vehicles. With the gradual increase of the driving range of automobiles, particularly heavy trucks, tractors and other high-power automobile models, the requirement on hydrogen carrying capacity is higher and higher, and the number of the vehicle-mounted hydrogen storage bottles can reach dozens. The method is limited by single-chip resource limitation, and the current hydrogen supply control system can not control all hydrogen storage bottles in a single piece, so that the development of a multi-bottle hydrogen supply system controller networking control method suitable for a multi-bottle hydrogen fuel cell group automobile is necessary.

Disclosure of Invention

The invention aims to solve the technical problem of limitation of the number of hydrogen storage bottles controlled by a single hydrogen supply system controller, provides a multi-hydrogen supply system controller networking control system and method, and is suitable for a multi-bottle hydrogen cell group vehicle.

In order to achieve the above object, the present invention provides a multi-hydrogen supply system controller networking control system, including: a primary subnet and a secondary subnet;

wherein the master subnet comprises:

the main hydrogen storage bottle group comprises a plurality of main hydrogen storage bottles, and the main hydrogen storage bottles are respectively connected in parallel on the main hydrogen supply pipeline through connecting pipelines;

the main hydrogen cylinder valves are respectively communicated with the corresponding main hydrogen storage cylinders;

the main hydrogen supply system controller is respectively and electrically connected with the plurality of main hydrogen cylinder valves;

the secondary subnet comprises:

the auxiliary hydrogen cylinder group comprises a plurality of auxiliary hydrogen storage cylinders, and the auxiliary hydrogen storage cylinders are respectively connected in parallel on an auxiliary hydrogen supply pipeline through connecting pipelines;

the auxiliary hydrogen cylinder valves are respectively communicated with the corresponding auxiliary hydrogen storage cylinders;

the auxiliary hydrogen supply system controller is electrically connected with the plurality of auxiliary hydrogen cylinder valves respectively;

the main subnet and the auxiliary subnet are connected through a CAN (controller area network) wire to form a hydrogen supply system;

the main hydrogen supply system controller is used for acquiring and processing the internal information of the main subnet and the system information of the hydrogen supply system in real time;

the auxiliary hydrogen supply system controller is used for acquiring and processing the internal information of the auxiliary subnet in real time;

when one of the main hydrogen supply system controller or the auxiliary hydrogen supply system controller fails, the other one takes over and updates part of information to realize normal operation of the hydrogen supply system.

Preferably, the internal information includes: the driving of a hydrogen cylinder valve in the subnet, and the temperature and the pressure of hydrogen in a hydrogen storage cylinder in the subnet.

Preferably, the system information includes: high pressure of a hydrogen supply system, medium pressure of the hydrogen supply system, residual hydrogen amount of the hydrogen supply system and hydrogenation times of the hydrogen supply system.

Preferably, the main hydrogen cylinder group comprises at least six main hydrogen cylinders.

Preferably, the secondary hydrogen cylinder group includes at least six secondary hydrogen cylinders.

Preferably, the main hydrogen supply system controller and the auxiliary hydrogen supply system controller are computers, single-chip microcomputers or programmable controllers.

In addition, in order to achieve the above object, based on the networking control system for the multiple hydrogen supply system controller, the invention provides a networking control method for the multiple hydrogen supply system controller of a multiple-cylinder hydrogen energy automobile, which comprises the following steps:

the main hydrogen supply system controller collects and processes the internal information of the main subnet and the system information of the hydrogen supply system in real time;

the auxiliary hydrogen supply system controller collects and processes the internal information of the auxiliary subnet in real time;

when one of the main hydrogen supply system controller or the auxiliary hydrogen supply system controller fails, the other one takes over and updates part of information to realize normal operation of the hydrogen supply system.

The invention also provides a hydrogen energy automobile which comprises the multi-hydrogen-supply-system controller group network control system.

The invention has the beneficial effects that:

1. the networking control system of the controller of the multi-hydrogen supply system breaks through the limit of the number of the hydrogen storage bottles controlled by the controller of the single hydrogen supply system.

2. A safety monitoring mechanism is provided, when a main hydrogen supply system controller fails, partial functions are handed over to an auxiliary hydrogen supply system controller, and normal operation of a vehicle hydrogen supply system is guaranteed.

Drawings

Fig. 1 is a system structure diagram of a multi-hydrogen supply system controller networking control system according to the present invention;

in the drawings: 01-main subnet, 02-auxiliary subnet, 1-main hydrogen cylinder, 2-main hydrogen cylinder valve, 3-auxiliary hydrogen cylinder group, 4-auxiliary hydrogen cylinder valve, 5-main hydrogen supply system controller, 6-auxiliary hydrogen supply system controller.

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.

Referring to fig. 1, fig. 1 is a system structure diagram of a multi-hydrogen supply system controller networking control system according to the present invention.

The invention provides a multi-hydrogen supply system controller networking control system of a multi-bottle hydrogen energy automobile, which comprises: a primary subnet 01 and a secondary subnet 02;

wherein, the main subnet 01 includes:

the main hydrogen storage bottle group comprises a plurality of main hydrogen storage bottles 1, and the main hydrogen storage bottles 1 are respectively connected in parallel on a main hydrogen supply pipeline through connecting pipelines;

a plurality of main hydrogen cylinder valves 2, wherein each main hydrogen cylinder valve 2 is communicated with the corresponding main hydrogen storage cylinder 1;

the main hydrogen supply system controller HCU 5 is electrically connected with the plurality of main hydrogen cylinder valves 2 respectively;

the sub-subnet 02 includes:

the auxiliary hydrogen cylinder group comprises a plurality of auxiliary hydrogen storage cylinders 3, and the auxiliary hydrogen storage cylinders 3 are respectively connected in parallel on an auxiliary hydrogen supply pipeline through connecting pipelines;

a plurality of auxiliary hydrogen cylinder valves 4, wherein each auxiliary hydrogen cylinder valve 4 is communicated with the corresponding auxiliary hydrogen storage cylinder 3;

the auxiliary hydrogen supply system controller HCU 6 is electrically connected with the plurality of auxiliary hydrogen cylinder valves 4 respectively;

the main subnet 01 and the auxiliary subnet 02 are connected through a CAN (controller area network) wire to form a hydrogen supply system, so that a safety supervision mechanism is formed;

a main hydrogen supply system controller HCU 5 for collecting and processing the internal information of the main subnet 01 and the system information of the hydrogen supply system in real time;

the auxiliary hydrogen supply system controller HCU 6 is used for acquiring and processing the internal information of the auxiliary subnet 02 in real time;

when one of the main hydrogen supply system controller HCU 5 or the auxiliary hydrogen supply system controller HCU 6 has a fault, the other takes over and updates part of the information to realize the normal operation of the hydrogen supply system.

In this embodiment, the internal information includes: the driving of a hydrogen cylinder valve in the subnet, and the temperature and the pressure of hydrogen in a hydrogen storage cylinder in the subnet.

In this embodiment, the system information includes: high pressure of a hydrogen supply system, medium pressure of the hydrogen supply system, residual hydrogen amount of the hydrogen supply system and hydrogenation times of the hydrogen supply system.

In this embodiment, taking a hydrogen supply system including 12 hydrogen storage cylinders as an example, the main hydrogen cylinder group includes six main hydrogen cylinders 1, and the auxiliary hydrogen cylinder group includes six auxiliary hydrogen cylinders 3.

Specifically, the main hydrogen supply system controller HCU 5 and the sub-hydrogen supply system controller HCU 6 are computers, single-chip microcomputers, or programmable controllers.

In addition, based on the networking control system for the multiple hydrogen supply system controller, in this embodiment, a networking control method for the multiple hydrogen supply system controller of the multiple-cylinder hydrogen energy automobile is further provided, and the networking control method includes the following steps:

the main hydrogen supply system controller HCU 5 collects and processes the internal information of the main subnet 01 and the system information of the hydrogen supply system in real time;

the auxiliary hydrogen supply system controller HCU 6 collects and processes the internal information of the auxiliary subnet 02 in real time;

when one of the main hydrogen supply system controller HCU 5 or the auxiliary hydrogen supply system controller HCU 6 has a fault, the other takes over and updates part of the information to realize the normal operation of the hydrogen supply system.

The internal information includes: the driving of a hydrogen cylinder valve in the subnet, and the temperature and the pressure of hydrogen in a hydrogen storage cylinder in the subnet.

Driving of hydrogen cylinder valve: judging whether to drive a hydrogen cylinder valve by a hydrogen supply system controller HCU according to certain logic;

hydrogen temperature and pressure: after the hydrogen supply system controller HCU collects resistance signals and voltage signals output by the temperature and pressure sensors, the resistance signals and the voltage signals are converted into actual temperature and pressure values according to characteristic parameters of the sensors, and the actual temperature and pressure values are sent to the CAN bus for other controllers to use.

The system information includes: high pressure of a hydrogen supply system, medium pressure of the hydrogen supply system, residual hydrogen amount of the hydrogen supply system and hydrogenation times of the hydrogen supply system.

High pressure of hydrogen supply system, medium pressure of hydrogen supply system: after the hydrogen supply system controller HCU collects the voltage signals output by the sensors in the hydrogen supply system, the voltage signals are converted into actual pressure values according to the characteristic parameters of the sensors, and the actual pressure values are sent to the CAN bus to be used by other controllers.

Residual hydrogen amount of the hydrogen supply system: and the hydrogen supply system controller HCU calculates the residual hydrogen amount of the hydrogen supply system in real time according to parameters such as hydrogen pressure, temperature and volume, and sends the residual hydrogen amount to the CAN bus for other controllers to use.

Hydrogenation times of a hydrogen supply system: the hydrogen supply system controller HCU records the hydrogenation times of the hydrogen supply system and stores the data into the nonvolatile memory EEPROM.

The embodiment of the invention also provides a hydrogen energy automobile which comprises the multi-hydrogen-supply-system controller group network control system.

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.