CN113895376B - Hybrid vehicle safety protection method and system - Google Patents

Abstract

The present invention relates to the technical field of hybrid vehicles, in particular to a safety protection method and system for hybrid vehicles. The system includes: a fuel subsystem, a high-voltage subsystem, a power battery device, and a vehicle controller. The fuel subsystem includes a fuel controller, Fuel pipeline and fuel tank, high-voltage subsystem includes high-voltage components and high-voltage controller, power battery device includes power battery controller and power battery pack, high-voltage subsystem connects fuel subsystem and power battery device, and fuel subsystem, high-voltage subsystem and The power battery device is connected to the vehicle controller; when the vehicle controller receives a safety risk signal, it controls the fuel subsystem, the high-voltage subsystem and the power battery device to perform their corresponding safety protection actions, without isolating the two power schemes. Through the linkage mechanism between various devices, when any one of the devices has a safety risk, it will trigger the safety protection actions of other devices and the current device at the same time to ensure the safety of hybrid vehicles.

Description

Safety protection method and system for a hybrid vehicle

technical field

The invention relates to the technical field of hybrid vehicles, in particular to a safety protection method and system for hybrid vehicles.

Background technique

Hybrid vehicles include range-extended electric vehicles and plug-in hybrid electric vehicles. There are two main power modes, one is to drive the electric motor through the power battery to provide power, and the other is to provide power through the engine to consume fuel. There are engine power units for traditional fuel vehicles, and high-voltage power units for new energy vehicles.

Traditional fuel vehicles have risks of fuel leakage, engine and fuel tank explosion, high-voltage electric shock, and power battery combustion and explosion. Pure electric vehicles have safety risks of high-voltage electric shock and power battery fire and explosion. After the hybrid vehicle integrates the previous two power schemes, there are two safety risks mentioned above at the same time. For these safety risks, the hybrid vehicle also inherits the safety protection scheme of the traditional fuel vehicle and the high-voltage protection scheme of the pure electric vehicle. , and two power schemes are required for vehicle isolation and physical layout.

However, the hybrid vehicle not only increases the isolation cost of the whole vehicle layout, but also has safety risk loopholes.

Contents of the invention

In view of the above problems, the present invention is proposed to provide a hybrid vehicle safety protection method and system that overcomes the above problems or at least partially solves the above problems.

In a first aspect, the present invention provides a hybrid vehicle safety protection system, including: a fuel subsystem, a high-voltage subsystem, a power battery device, and a vehicle controller, and the fuel subsystem includes a fuel controller, a fuel pipeline, and a fuel tank. The high-voltage subsystem includes a high-voltage component and a high-voltage controller, and the power battery device includes a power battery controller and a power battery pack, wherein the high-voltage subsystem connects the fuel subsystem and the power battery device, and the fuel cell The subsystems, the high-voltage subsystem and the power battery device are all connected to the vehicle controller;

When the vehicle controller receives a safety risk signal, it controls the fuel subsystem, the high-voltage subsystem, and the power battery device to perform respective corresponding safety protection actions;

The safety protection action corresponding to the fuel subsystem includes: the fuel controller controls the fuel in the fuel pipeline to suck back into the fuel tank; the safety protection action corresponding to the high pressure subsystem includes: the high pressure controller controls the high pressure component The high voltage of the power battery is discharged below the safe voltage; the corresponding safety protection action of the power battery device includes: the power battery controller controls to cut off the high voltage circuit between the power battery pack and the high voltage components.

Preferably, the safety risk signal includes: a collision signal, a maintenance signal, and a dangerous failure signal obtained from self-test of any one of the fuel subsystem, the high-voltage subsystem and the power battery device.

Preferably, when the safety risk signal is a collision signal, the system further includes:

A collision detection module, configured to detect a collision signal, and send the collision signal to the fuel subsystem, the high voltage subsystem, the power battery device, and the vehicle controller respectively; or send the collision signal to the vehicle A controller is used to generate a safety protection instruction by the vehicle controller, and forward the safety protection instruction to the fuel subsystem, the high voltage subsystem and the power battery device respectively.

Preferably, when the safety risk signal is a collision signal, the vehicle controller receives the collision signal, and executes instructions for torque reset, emergency braking, door unlocking, and hazard warning lights.

Preferably, when the safety risk signal is a maintenance signal, the vehicle controller receives the maintenance signal, generates a safety protection instruction, and sends the safety protection instruction to the fuel subsystem, high voltage subsystem and Power battery device.

Preferably, when the safety risk signal is a dangerous failure signal obtained by self-test of any one of the fuel subsystem, high voltage subsystem and power battery device, the vehicle controller receives the dangerous failure signal, and A safety protection instruction is generated, and the safety protection instruction is forwarded to the fuel subsystem, the high-voltage subsystem and the power battery device connected to the vehicle controller.

Preferably, when the safety risk signal is a dangerous fault signal obtained by self-test of any one of the fuel subsystem, high voltage subsystem and power battery device, the vehicle controller receives the dangerous fault signal and executes Alarm command to remind the driver to stay away from the vehicle.

In the second aspect, the present invention also provides a safety protection method for a hybrid vehicle, which is applied to the safety protection system for a hybrid vehicle, including:

When a safety risk signal is received, based on the safety risk signal, control the fuel subsystem, the high voltage subsystem, and the power battery device to perform respective corresponding safety protection actions;

The safety protection actions corresponding to the fuel subsystem include: the fuel controller controls the fuel in the fuel pipeline to suck back into the fuel tank; the safety protection actions corresponding to the high-pressure subsystem include: the high-pressure controller controls the high-pressure release in the high-pressure components below the safe voltage; the safety protection action corresponding to the power battery device includes: the power battery controller controls to cut off the high-voltage circuit between the power battery pack and the high-voltage components.

In a third aspect, the present invention also provides a hybrid vehicle, including a memory, a processor, and a computer program stored in the memory and operable on the processor, and the above-mentioned method is implemented when the processor executes the program step.

In a fourth aspect, the present invention also provides a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the steps of the above method are realized.

One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:

The invention provides a safety protection system for a hybrid vehicle, comprising: a fuel subsystem, a high-voltage subsystem, a power battery device, and a vehicle controller, the fuel subsystem includes a fuel controller, a fuel pipeline, and a fuel tank, and the high-voltage subsystem includes a Components and high-voltage controllers, the power battery device includes a power battery controller and a power battery pack, where the high-voltage subsystem is connected to the fuel subsystem and the power battery device, and the fuel subsystem, high-voltage subsystem and power battery device are all connected to the vehicle control system When the vehicle controller receives a safety risk signal, it controls the fuel subsystem, high-voltage subsystem and power battery device to perform their corresponding safety protection actions; the corresponding safety protection actions of the fuel subsystem include: the fuel controller controls the fuel pipeline The fuel in the battery is sucked back into the fuel tank; the corresponding safety protection actions of the high-voltage subsystem include: the high-voltage controller controls the residual and parasitic high-voltage discharge in the high-voltage components to below the safe voltage; the corresponding safety protection actions of the power battery device include: power The battery controller cuts off the high-voltage circuit between the power battery pack and the high-voltage components. There is no need to isolate the two power schemes. It only needs to control the fuel subsystem, the high-voltage subsystem, and the power battery device to perform their corresponding safety protection actions. safety of moving vehicles.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same components are represented by the same reference figures. In the attached picture:

FIG. 1 shows a schematic structural view of a safety protection system for a hybrid vehicle in an embodiment of the present invention;

Fig. 2 shows a schematic structural diagram of a hybrid vehicle in an embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

Embodiment one

An embodiment of the present invention provides a safety protection system for a hybrid vehicle, as shown in FIG. Fuel controller, fuel pipeline and fuel tank, the high-voltage subsystem 102 includes high-voltage components and a high-voltage controller, and the power battery device 103 includes a power battery controller and a power battery pack, wherein the high-voltage subsystem 102 is connected to the fuel subsystem 101 and the power battery device 103, and the fuel subsystem 101, the high voltage subsystem 102 and the power battery device 103 are all connected to the vehicle controller 104.

Wherein, the fuel subsystem 101 is used to provide power through fuel, and the high-voltage subsystem 102 is used to provide a high-voltage signal for the power battery device 103 and/or the fuel subsystem 101 . The power battery device 103 is used to provide power through the power battery.

Wherein, the high-voltage subsystem 102 includes a high-voltage controller and high-voltage components, and the high-voltage components include: a driving motor, a generator, a high-voltage DCDC, and the like.

The fuel subsystem 101 includes a fuel controller, a fuel pipeline and a fuel tank.

The power battery device 103 is connected to high-voltage components through a power distribution box. Wherein, the power distribution box is provided with a fuse and a relay.

When the vehicle controller 104 receives the safety risk signal, it controls the fuel subsystem, the high voltage subsystem and the power battery device to perform respective corresponding safety protection actions.

Wherein, the safety protection action corresponding to the fuel subsystem 101 is a fuel interruption action, including: the fuel controller controls the fuel in the fuel pipeline to suck back into the fuel tank; the safety protection action corresponding to the high pressure subsystem 102 is a high pressure release action, Including: the high-voltage controller controls the high-voltage discharge in the high-voltage components to be below the safe voltage; the safety protection action corresponding to the power battery device 104 is to disconnect the high-voltage action, including: the power battery controller controls to cut off the high-voltage circuit between the power battery pack and the high-voltage components .

In the following, the types of safety risk signals are specifically distinguished. The safety risk signals include: collision signals, maintenance signals, and dangerous failure signals obtained from self-tests of any equipment in the fuel subsystem, high-voltage subsystem, and power battery device.

According to the different safety risk signals received by the vehicle, the scene of the vehicle is also different. When the safety risk signal received by the vehicle is a collision signal, the corresponding vehicle will collide. When the vehicle receives the safety risk signal as a maintenance signal, the corresponding vehicle is in the maintenance process. When the safety risk signal received by the vehicle is a dangerous failure signal obtained by the self-test of any one of the fuel subsystem, high-voltage subsystem and power battery device, the corresponding vehicle is in a stationary state or a driving state.

In one embodiment, when the safety risk signal is a collision signal, the system further includes:

A collision detection module 105, the collision detection module 105 is used to detect a collision signal, and send the collision signal to the fuel subsystem 101, the high voltage subsystem 102, the power battery device 103 and the vehicle controller 104 respectively; or send the collision signal To the vehicle controller 104, the vehicle controller 104 generates a safety protection instruction, and forwards the safety protection instruction to the fuel subsystem 101, the high voltage subsystem 102, and the power battery device 103 respectively.

Using any of the above methods of transmitting collision signals can make the fuel subsystem 101, high voltage subsystem 102 and power battery device 103 receive the collision signal, and then pass through the fuel subsystem 101, high voltage subsystem 102 and power battery device 103 Execute the corresponding security protection actions to realize the security protection function.

When the safety risk signal is a collision signal, the vehicle controller receives the collision signal, and executes the instructions of torque reset, emergency braking, unlocking the door, and turning on the hazard warning light.

Among them, through the way of torque clearing, avoid unsafe accidents caused by the continuous operation of the engine; through emergency braking, prevent the vehicle from continuing to move forward; through unlocking the door, the occupants in the vehicle can escape in time; Remind people around not to approach the vehicle.

In one embodiment, when the safety risk signal is a maintenance signal, the normal controller 104 receives the maintenance signal, generates a safety protection instruction, and sends the safety protection instruction to the fuel subsystem 101, the high voltage subsystem 102, and the power battery device respectively. 103 , and then make the fuel subsystem 101 , the high-voltage subsystem 102 and the power battery device 103 respectively execute corresponding safety protection actions.

In one embodiment, when the safety risk signal is a dangerous failure signal obtained by self-test of any one of the fuel subsystem 101, high voltage subsystem 102 and power battery device 103, the vehicle controller 104 receives the dangerous failure signal , and generate a safety protection instruction, and forward the safety protection instruction to the fuel subsystem, the high voltage subsystem and the power battery device connected to the vehicle controller 104 .

Since the vehicle controller 104 is respectively connected to the fuel subsystem 101, the high-voltage subsystem 102, and the power battery device 103, when the safety risk signal is a dangerous failure signal obtained by the self-test of the fuel subsystem 101, the vehicle controller 104 receives the dangerous failure signal , and forward the dangerous fault signal to the high-voltage subsystem 102, the power battery device 103 and the fuel subsystem, so that the fuel subsystem 101, the high-voltage subsystem 102 and the power battery device 103 each perform corresponding safety protection actions.

Moreover, when the safety risk signal is a dangerous failure signal obtained by the self-test of any one of the fuel subsystem 101, the high-voltage subsystem 102, and the power battery device 103, the vehicle controller 104 receives the dangerous failure signal and performs an alarm. command to remind the driver to stay away from the vehicle. The driver's personal safety is guaranteed through the alarm command executed by the vehicle controller 104 .

Adopt any of the above-mentioned safety protection methods to avoid loopholes in the safety protection of a single system, and ensure the fuel safety, high voltage safety, power battery safety and vehicle safety of hybrid vehicles.

One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:

The invention provides a safety protection system for a hybrid vehicle, comprising: a fuel subsystem, a high-voltage subsystem, a power battery device, and a vehicle controller, the fuel subsystem includes a fuel controller, a fuel pipeline, and a fuel tank, and the high-voltage subsystem includes a Components and high-voltage controllers, the power battery device includes a power battery controller and a power battery pack, where the high-voltage subsystem is connected to the fuel subsystem and the power battery device, and the fuel subsystem, high-voltage subsystem and power battery device are all connected to the vehicle control system When the vehicle controller receives a safety risk signal, it controls the fuel subsystem, high-voltage subsystem and power battery device to perform their corresponding safety protection actions; the corresponding safety protection actions of the fuel subsystem include: the fuel controller controls the fuel pipeline The fuel in the battery is sucked back into the fuel tank; the corresponding safety protection actions of the high-voltage subsystem include: the high-voltage controller controls the residual and parasitic high-voltage discharge in the high-voltage components to below the safe voltage; the corresponding safety protection actions of the power battery device include: power The battery controller controls and cuts off the high-voltage circuit between the power battery pack and the high-voltage components. There is no need to isolate the two power schemes. Through the linkage mechanism between various devices, when any one of the devices has a safety risk, other devices and the current device are triggered at the same time. Safe protection action to ensure the safety of hybrid vehicles.

Embodiment two

Based on the same inventive concept, an embodiment of the present invention also provides a hybrid vehicle safety protection method, which is applied to the vehicle controller of the hybrid vehicle safety protection system, including:

When a safety risk signal is received, based on the safety risk signal, the fuel subsystem, the high voltage subsystem and the power battery device are controlled to perform respective corresponding safety protection actions;

The safety protection actions corresponding to the fuel subsystem include: the fuel controller controls the fuel in the fuel pipeline to suck back into the fuel tank; the safety protection actions corresponding to the high-pressure subsystem include: the high-pressure controller controls the high-pressure release in the high-pressure components below the safe voltage; the safety protection action corresponding to the power battery device includes: the power battery controller controls to cut off the high-voltage circuit between the power battery pack and the high-voltage components.

In one embodiment, the safety risk signal includes: a collision signal, a maintenance signal, and a dangerous failure signal obtained from self-test of any one of the fuel subsystem, the high-voltage subsystem, and the power battery device.

In one embodiment, when the safety risk signal is a collision signal or a maintenance status signal, the collision signal sent by the collision detection module is received, and a safety protection instruction is generated, and the safety protection instruction is forwarded to the fuel sub-units respectively. system, high voltage subsystem and power battery device.

In one embodiment, when the safety risk signal is a dangerous failure signal obtained by self-test of any one of the fuel subsystem, high-voltage subsystem and power battery device, the dangerous failure signal is received and a safety risk signal is generated. The protection command forwards the safety protection command to the fuel subsystem, the high voltage subsystem and the power battery device connected to the vehicle controller.

In one embodiment, when the safety risk signal is a dangerous failure signal obtained by self-test of any one of the fuel subsystem, high voltage subsystem and power battery device, the dangerous failure signal is received and the alarm instruction is executed , to remind the driver to stay away from the vehicle.

Embodiment Three

Based on the same inventive concept, an embodiment of the present invention provides a hybrid vehicle, as shown in FIG. When the processor 202 executes the program, the steps of the above hybrid vehicle safety protection method are realized.

Wherein, in FIG. 2, the bus architecture (represented by bus 200), bus 200 may include any number of interconnected buses and bridges, and bus 200 will include one or more processors represented by processor 202 and memory 204. The various circuits of the memory are linked together. The bus 200 may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and thus will not be further described herein. The bus interface 206 provides an interface between the bus 200 and the receiver 201 and the transmitter 203 . Receiver 201 and transmitter 203 may be the same element, a transceiver, providing means for communicating with various other devices over a transmission medium. Processor 202 is responsible for managing bus 200 and general processing, while memory 204 may be used to store data used by processor 202 in performing operations.

Embodiment Four

Based on the same inventive concept, an embodiment of the present invention provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the steps of the above hybrid vehicle safety protection method are implemented.

The algorithms and displays presented herein are not inherently related to any particular computer, virtual system, or other device. Various generic systems can also be used with the teachings based on this. The structure required to construct such a system is apparent from the above description. Furthermore, the present invention is not specific to any particular programming language. It should be understood that various programming languages can be used to implement the content of the present invention described herein, and the above description of specific languages is for disclosing the best mode of the present invention.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure the understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, in order to streamline this disclosure and to facilitate an understanding of one or more of the various inventive aspects, various features of the invention are sometimes grouped together in a single embodiment, figure, or its description. This method of disclosure, however, is not to be interpreted as reflecting an intention that the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this invention.

Those skilled in the art can understand that the modules in the device in the embodiment can be adaptively changed and arranged in one or more devices different from the embodiment. Modules or units or components in the embodiments may be combined into one module or unit or component, and furthermore may be divided into a plurality of sub-modules or sub-units or sub-assemblies. All features disclosed in this specification (including accompanying claims, abstract and drawings) and any method or method so disclosed may be used in any combination, except that at least some of such features and/or processes or units are mutually exclusive. All processes or units of equipment are combined. Each feature disclosed in this specification (including accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will understand that although some embodiments herein include some features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of the invention. And form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

The various component embodiments of the present invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art should understand that a microprocessor or a digital signal processor (DSP) can be used in practice to implement the hybrid vehicle safety protection system according to the embodiment of the present invention, some or all of the components in the hybrid vehicle Or full functionality. The present invention can also be implemented as an apparatus or an apparatus program (for example, a computer program and a computer program product) for performing a part or all of the methods described herein. Such a program for realizing the present invention may be stored on a computer-readable medium, or may be in the form of one or more signals. Such a signal may be downloaded from an Internet site, or provided on a carrier signal, or provided in any other form.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. does not indicate any order. These words can be interpreted as names.

Claims (9)

1. A safety protection system for a hybrid vehicle, characterized in that it includes: a fuel subsystem, a high-voltage subsystem, a power battery device, and a vehicle controller, and the fuel subsystem includes a fuel controller, a fuel pipeline, and a fuel tank. The high-voltage subsystem includes a high-voltage component and a high-voltage controller, and the power battery device includes a power battery controller and a power battery pack, wherein the high-voltage subsystem connects the fuel subsystem and the power battery device, and the fuel subsystem The system, the high-voltage subsystem and the power battery device are all connected to the vehicle controller; When the vehicle controller receives a safety risk signal, it controls the fuel subsystem, the high-voltage subsystem, and the power battery device to perform respective corresponding safety protection actions; The safety protection action corresponding to the fuel subsystem includes: the fuel controller controls the fuel in the fuel pipeline to suck back into the fuel tank; the safety protection action corresponding to the high pressure subsystem includes: the high pressure controller controls the high pressure component The high voltage of the power battery is discharged below the safe voltage; the safety protection action corresponding to the power battery device includes: the power battery controller controls and cuts off the high-voltage circuit between the power battery pack and the high-voltage components; The safety risk signal includes: a collision signal, a maintenance signal, and a dangerous failure signal obtained by self-test of any one of the fuel subsystem, high-voltage subsystem and power battery device; When the safety risk signal is a dangerous fault signal obtained by the self-test of the fuel subsystem, the vehicle controller receives the dangerous fault signal and forwards the dangerous fault signal to the high-voltage subsystem, power battery device and fuel subsystem, so that the fuel subsystem The system, the high-voltage subsystem and the power battery device each perform corresponding safety protection actions. 2. The system according to claim 1, wherein when the safety risk signal is a collision signal, the system further comprises: A collision detection module, configured to detect a collision signal, and send the collision signal to the fuel subsystem, the high voltage subsystem, the power battery device, and the vehicle controller respectively; or send the collision signal to the vehicle A controller is used to generate a safety protection instruction by the vehicle controller, and forward the safety protection instruction to the fuel subsystem, the high voltage subsystem and the power battery device respectively. 3. The system according to claim 1, wherein when the safety risk signal is a collision signal, the vehicle controller receives the collision signal, executes torque reset, emergency braking, and door unlocking and instructions to turn on the hazard warning lights. 4. The system according to claim 1, wherein when the safety risk signal is a maintenance signal, the vehicle controller receives the maintenance signal, generates a safety protection instruction, and separates the safety protection instructions Send to the fuel subsystem, high voltage subsystem and power battery device. 5. The system according to claim 1, wherein when the safety risk signal is a dangerous fault signal obtained by self-test of any one of the fuel subsystem, high voltage subsystem and power battery device, the The vehicle controller receives the dangerous failure signal, generates a safety protection instruction, and forwards the safety protection instruction to the fuel subsystem, high voltage subsystem and power battery device connected to the vehicle controller. 6. The system according to claim 1, wherein when the safety risk signal is a dangerous fault signal obtained by self-test of any one of the fuel subsystem, high voltage subsystem and power battery device, the The vehicle controller receives the dangerous failure signal and executes an alarm command to remind the driver to stay away from the vehicle. 7. A hybrid vehicle safety protection method, applied to the hybrid vehicle safety protection system according to any one of claims 1-6, characterized in that it comprises: When a safety risk signal is received, based on the safety risk signal, the fuel subsystem, the high voltage subsystem and the power battery device are controlled to perform respective corresponding safety protection actions; The safety protection actions corresponding to the fuel subsystem include: the fuel controller controls the fuel in the fuel pipeline to suck back into the fuel tank; the safety protection actions corresponding to the high-pressure subsystem include: the high-pressure controller controls the high-pressure release in the high-pressure components below the safe voltage; the safety protection actions corresponding to the power battery device include: the power battery controller controls to cut off the high-voltage circuit between the power battery pack and the high-voltage components; The safety risk signal includes: a collision signal, a maintenance signal, and a dangerous failure signal obtained by self-test of any one of the fuel subsystem, the high-voltage subsystem and the power battery device. 8. A hybrid vehicle, comprising a memory, a processor, and a computer program stored on the memory and operable on the processor, wherein the processor according to claim 7 is implemented when executing the program. Method steps. 9. A computer-readable storage medium, on which a computer program is stored, characterized in that, when the program is executed by a processor, the method steps as claimed in claim 7 are implemented.

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