A control method and system for pre-booking steering wheel heating and a vehicle

Abstract

The application discloses a kind of pre-booking steering wheel heating control method, system and a kind of vehicle, the method comprises: steering wheel heating is sent to vehicle communication module using mobile phone APP reservation information;Vehicle communication module wakes up vehicle body controller and vehicle controller according to reservation information, and sends remote steering wheel heating request to vehicle body controller and vehicle controller;After the vehicle controller receives remote steering wheel heating request, the vehicle controller is powered on by driving power supply control module high-low voltage;Vehicle power-on is completed, and steering wheel heating is controlled using the vehicle body controller driving heating module, and steering wheel heating state is fed back to the vehicle communication module.It can be convenient for user to pre-book steering wheel heating in advance, improve the comfort of user driving.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automotive technology, in particular to a control method and system for reserving steering wheel heating and a vehicle. BACKGROUND

[0002] In cold winter, when the user starts to drive after getting into the vehicle, the hands will feel cold, which greatly affects the driving experience. To solve this problem, many vehicles are currently equipped with a remote control steering wheel heating function, but the user needs to operate the mobile phone APP to turn on the function before each use, which is relatively cumbersome. Therefore, it is urgent to design a method for remotely controlling steering wheel heating with intelligent reservation of starting time and setting of starting temperature conditions. SUMMARY

[0003] The present application aims to provide a control method and system for reserving steering wheel heating and a vehicle, which can conveniently reserve steering wheel heating in advance for the user and improve the comfort of driving.

[0004] To achieve the above-mentioned purpose, the present application provides a control method for reserving steering wheel heating, comprising:

[0005] Sending reservation information of steering wheel heating to a vehicle communication module by a mobile phone APP;

[0006] The vehicle communication module wakes up the body controller and the vehicle controller according to the reservation information, and sends a remote steering wheel heating request to the body controller and the vehicle controller;

[0007] After the vehicle controller receives the remote steering wheel heating request, the vehicle controller performs low-voltage power-on and high-voltage power-on through the drive power control module;

[0008] After low-voltage power-on and high-voltage power-on are completed, the body controller drives the heating module to control steering wheel heating, and feeds back the steering wheel heating state to the vehicle communication module.

[0009] Further, sending reservation information of steering wheel heating to a vehicle communication module by a mobile phone APP, comprising:

[0010] The user sets the reservation information of reserving steering wheel heating in the mobile phone APP, and sends it to the vehicle communication module through wireless communication;

[0011] After the vehicle communication module receives the reservation information, the vehicle wakes up according to the reservation information, i.e. wakes up the body controller and the vehicle controller;

[0012] The reservation information includes environmental temperature conditions, reservation time and heating time.

[0013] Further, the vehicle communication module wakes up the body controller and the vehicle controller according to the reservation information, and sends a remote steering wheel heating request to the body controller and the vehicle controller, including:

[0014] After the vehicle communication module receives the reservation information, it is judged whether the current vehicle state meets the requirements; if so, the vehicle communication module wakes up the body controller and the vehicle controller through CAN communication; wherein the current vehicle state includes: the power state of the current vehicle and the SOC value before the last power-off of the vehicle;

[0015] The body controller collects environmental temperature information through an environmental temperature sensor after being awakened, and sends it to the vehicle communication module through CAN communication;

[0016] After the vehicle communication module receives the environmental temperature information, it is judged whether the environmental temperature value meets the environmental temperature condition; if so, the vehicle communication module sends a remote steering wheel heating request to the body controller and the vehicle controller through CAN communication;

[0017] Wherein, when the vehicle's reservation steering wheel heating function is turned on and off, the mobile phone APP receives the heating information feedback by the vehicle communication module through wireless communication.

[0018] Further, after the vehicle controller receives the remote steering wheel heating request, the vehicle controller executes low-voltage power-on and high-voltage power-on through the power supply control module, including:

[0019] After the vehicle controller receives the remote steering wheel heating request, it drives the IGN2 relay to close to execute low-voltage power-on, and wakes up the battery management system and DC / DC converter connected to the IGN2 relay;

[0020] When the low-voltage power-on is completed, the vehicle controller sends a high-voltage power-on request to the battery management system through CAN communication to complete the high-voltage power-on;

[0021] After the low-voltage power-on and high-voltage power-on are completed, the vehicle controller sends the first vehicle signal state to the vehicle communication module and the body controller through CAN communication;

[0022] Wherein, the power supply control module includes IGN2 relay, battery management system and DC / DC converter;

[0023] The first vehicle signal state includes: high-voltage connection state, high-voltage system fault, SOC display value, IGN2 relay connection state and DC / DC converter working state.

[0024] Further, after the low-voltage power-on and high-voltage power-on are completed, the steering wheel heating is controlled by the vehicle body controller driving the heating module, and the steering wheel heating state is fed back to the vehicle communication module, including:

[0025] The heating module comprises an external relay and a steering wheel electric heating resistance wire;

[0026] When the high-voltage connection state in the first vehicle signal state sent by the vehicle controller is connected, the vehicle body controller controls the steering wheel electric heating resistance wire to work by driving the external relay, and monitors the electric heating resistance wire temperature in real time;

[0027] When the electric heating resistance wire temperature exceeds a predetermined value, the steering wheel heating is temporarily stopped, and after the electric heating resistance wire temperature drops to a certain extent, the vehicle body controller continues to execute the steering wheel heating command, and the steering wheel heating state remains unchanged;

[0028] During the steering wheel heating process controlled by the vehicle body controller, the vehicle body controller feeds back the steering wheel heating state, the key power state and the actual power state to the vehicle communication module through CAN communication.

[0029] Based on the same inventive concept, the application also provides a control system for pre-booking steering wheel heating, comprising a mobile phone APP, a vehicle communication module, a vehicle body controller and a vehicle controller,

[0030] The mobile phone APP is used to send pre-booking information of steering wheel heating to the vehicle communication module;

[0031] The vehicle communication module is used to wake up the vehicle body controller and the vehicle controller according to the pre-booking information, and send a remote steering wheel heating request to the vehicle body controller and the vehicle controller;

[0032] The vehicle controller is used to drive a power control module to perform low-voltage power-on and high-voltage power-on respectively after receiving the remote steering wheel request sent by the vehicle communication module;

[0033] The vehicle body controller is used to drive the heating module to control the steering wheel heating after the low-voltage power-on and high-voltage power-on are completed, and feed back the steering wheel heating state to the vehicle communication module.

[0034] Further, the mobile phone APP and the vehicle communication module are connected through wireless communication, the vehicle communication module, the vehicle body controller and the vehicle controller are connected through CAN communication, and the vehicle body controller is connected with an environment temperature sensor;

[0035] The vehicle communication module is used to receive the pre-booking information sent by the mobile phone APP, and wake up the vehicle body controller and the vehicle controller through CAN communication after judging that the current vehicle state meets the requirements.

[0036] The whole vehicle controller is used for receiving ambient temperature information collected by an ambient temperature sensor and sending to the vehicle communication module;

[0037] The vehicle communication module is used for sending a remote steering wheel heating request to the body controller and the whole vehicle controller after judging that the ambient temperature value in the ambient temperature information meets the requirement.

[0038] Further, the power supply control module comprises an IGN2 relay, a battery management system and a DC / DC converter, the driving end of the whole vehicle controller is connected with the IGN2 relay, and the power supply ends of the IGN2 relay are connected with the battery management system and the DC / DC converter respectively;

[0039] The whole vehicle controller is further used for driving the IGN2 relay to close to execute low-voltage power-on after receiving the remote steering wheel heating request, and awakening the battery management system and the DC / DC converter connected with the IGN2 relay; sending a high-voltage power-on request to the battery management system to complete high-voltage power-on after completing the low-voltage power-on; and sending the first vehicle signal state to the vehicle communication module and the body controller through CAN communication after completing the low-voltage power-on and the high-voltage power-on.

[0040] Further, the heating module comprises an external relay and a steering wheel electric heating resistance wire, the driving port of the body controller is connected with the external relay, and the power supply end of the external relay is connected with the steering wheel electric heating resistance wire; the sending end of the steering wheel electric heating resistance wire is connected with the body controller and is used for sending an electric heating resistance wire temperature signal to the body controller;

[0041] The body controller is further used for, when the high-voltage connection state in the first vehicle signal state sent by the whole vehicle controller is connected, controlling the steering wheel electric heating resistance wire to work by driving the external relay and monitoring the electric heating resistance wire temperature in real time.

[0042] The body controller is further used for, in the steering wheel heating process, feeding back the steering wheel heating state, the key power state and the actual power state to the vehicle communication module through CAN communication.

[0043] Based on the same inventive concept, the application further provides a vehicle comprising the control system for pre-booking steering wheel heating.

[0044] The technical effects and advantages of the present application: the user sets the steering wheel heating function through the mobile phone APP, the remote heating temperature can be set according to the user's demand, the user can set the reservation time and environmental temperature condition in advance, which greatly improves the comfort and convenience of the steering wheel use in cold weather; and the technical scheme provided by the present application can also intelligently detect the current condition of the vehicle, when the vehicle environmental temperature is high, or the power battery SOC display value, or the vehicle high-voltage fault, under the condition that the steering wheel heating is not satisfied, even if the steering wheel heating function is reserved, the steering wheel heating function will not be started to cause the waste of electric energy.

[0045] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application can be achieved and obtained by the structure indicated in the specification, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0046] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0047] Figure 1 The flow chart of a control method for reserving steering wheel heating according to an embodiment of the present application is shown in the figure.

[0048] Figure 2 The structural schematic diagram of a control system for reserving steering wheel heating according to an embodiment of the present application is shown in the figure. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0050] To solve the problems of the prior art, the present application discloses a control method for reserving steering wheel heating, as shown in the figure. Figure 1 The method comprises the following steps:

[0051] Step S1: sending the reservation information of the steering wheel heating to the vehicle-mounted communication module by using the mobile phone APP; specifically including:

[0052] The user sets the reservation information of the steering wheel heating reservation in the steering wheel heating interface of the mobile phone APP, and sends the steering wheel heating function request to the vehicle communication module through wireless communication;

[0053] The reservation information includes environmental temperature conditions, reservation time and heating time. For example, multiple sets of reservation time can be set, each set can be used independently, or each set of reservation time can be set to repeat every day, legal working days, Monday to Friday, custom (i.e. multiple selections for seven days a week), including specific time settings for each day. The corresponding temperature conditions can be set in each set of reservation time, for example: the function is turned on when the environmental temperature is ≤5℃.

[0054] After the vehicle communication module receives the reservation information, the vehicle wake-up is performed according to the reservation information (environmental temperature conditions, reservation time and heating time), i.e. waking up the body controller and the vehicle controller.

[0055] Step S2: The vehicle communication module wakes up the body controller and the vehicle controller according to the reservation information, and sends a remote steering wheel heating request to the body controller and the vehicle controller; specifically including:

[0056] After the vehicle communication module receives the reservation information, it judges whether the current vehicle state meets the requirements 10 minutes before the reservation time; if it meets the requirements, the vehicle communication module wakes up the body controller and the vehicle controller through CAN communication; wherein the current vehicle state includes the power state of the current vehicle and the SOC display value before the vehicle last power-off.

[0057] After the body controller is woken up, it collects environmental temperature information and SOC display values through the environmental temperature sensor and the battery management system, respectively, and sends them to the vehicle communication module through CAN communication; after the vehicle communication module receives the environmental temperature information and the SOC display value, it judges whether the environmental temperature value meets the environmental temperature conditions and whether the SOC display value is greater than or equal to 20%;

[0058] If the environmental temperature conditions are met and the SOC display value is ≥20%, the vehicle communication module sends a remote steering wheel heating request to the body controller and the vehicle controller through CAN communication.

[0059] Wherein, when the vehicle's reservation steering wheel heating function is turned on and off, the mobile phone APP receives the heating information feedback by the vehicle communication module through wireless communication;

[0060] The heating information includes the steering wheel heating state (on or off), the reason for not turning on the heating function and the reason for turning off the heating function.

[0061] Step S3: After the whole vehicle controller receives the remote steering wheel heating request, the whole vehicle controller performs low-voltage power-on and high-voltage power-on by driving the power supply control module; specifically including:

[0062] After the whole vehicle controller receives the remote steering wheel heating request, the IGN2 relay is closed to perform low-voltage power-on, and the battery management system BMS and the DC / DC converter connected to the power supply end of the IGN2 relay are awakened; wherein the power supply control module includes the IGN2 relay, the battery management system BMS and the DC / DC converter.

[0063] When the low-voltage power-on is completed, the whole vehicle controller sends a high-voltage power-on request to the battery management system through CAN communication to perform high-voltage power-on; when both the low-voltage power-on and the high-voltage power-on are completed, the whole vehicle controller sends the first vehicle signal state to the vehicle communication module and the body controller through CAN communication.

[0064] The first vehicle signal state includes: high-voltage connection state, high-voltage system fault, SOC display value, IGN2 relay connection state and DC / DC converter working state.

[0065] Step S4: After the low-voltage power-on and the high-voltage power-on are completed, the body controller is used to drive the heating module to control the steering wheel heating, and the steering wheel heating state is fed back to the vehicle communication module; specifically including:

[0066] The heating module includes an external relay and a steering wheel electric heating resistance wire;

[0067] When the body controller receives the high-voltage connection state in the first vehicle signal state sent by the whole vehicle controller, the body controller drives the external relay to control the steering wheel electric heating resistance wire to work, and monitors the electric heating resistance wire temperature in real time;

[0068] When the electric heating resistance wire temperature exceeds a predetermined value, the steering wheel heating is temporarily stopped, and after the electric heating resistance wire temperature drops to a certain extent, the body controller continues to control the steering wheel electric heating resistance wire to execute the steering wheel heating command, and the steering wheel heating state (on or off) remains unchanged.

[0069] During the steering wheel heating process controlled by the body controller, the body controller feeds back the steering wheel heating state (on or off), the key power state and the actual power state to the vehicle communication module through CAN communication.

[0070] It should be noted that during the steering wheel heating process, if the steering wheel heating time reaches the set heating time (10 minutes) or the SOC display value is less than 20% or the vehicle high voltage fails to power on, the body controller controls the steering wheel to close the heating and feeds back the heating function closing reason to the vehicle communication module, and the vehicle communication module forwards the steering wheel heating state (on or off) and the heating function closing reason to the mobile phone APP.

[0071] Based on the same inventive concept, the application also provides a control system for pre-booking steering wheel heating, as shown in the accompanying drawings, comprising a mobile phone APP, a vehicle communication module, a body controller and a vehicle controller, Figure 2

[0072] The mobile phone APP is used to send pre-booking information of the steering wheel heating to the vehicle communication module.

[0073] The vehicle communication module is used to wake up the body controller and the vehicle controller according to the pre-booking information, and send a remote steering wheel heating request to the body controller and the vehicle controller.

[0074] The vehicle controller is used to drive the power supply control module to perform low-voltage power-on and high-voltage power-on respectively after receiving the remote steering wheel request sent by the vehicle communication module.

[0075] The body controller is used to drive the heating module to control the steering wheel heating after the low-voltage power-on and the high-voltage power-on are both completed, and feed back the steering wheel heating state to the vehicle communication module.

[0076] In some specific embodiments, the mobile phone APP and the vehicle communication module are connected through wireless communication, the vehicle communication module, the body controller and the vehicle controller are connected through CAN communication, and the body controller is connected with an environment temperature sensor.

[0077] The vehicle communication module is used to receive the pre-booking information sent by the mobile phone APP, and wake up the body controller and the vehicle controller through CAN communication after judging that the current vehicle state meets the requirements.

[0078] The vehicle controller is used to receive the environment temperature information collected by the environment temperature sensor and send it to the vehicle communication module.

[0079] The vehicle communication module is used to send a remote steering wheel heating request to the body controller and the vehicle controller after judging that the environment temperature value in the environment temperature information meets the requirements.

[0080] ​In some specific embodiments, the power supply control module comprises an IGN2 relay, a battery management system and a DC / DC converter, the drive end of the vehicle control unit is connected with the IGN2 relay, and the power supply end of the IGN2 relay is connected with the battery management system and the DC / DC converter respectively.

[0081] The vehicle control unit is further configured to drive the IGN2 relay to close to perform low-voltage power-on after receiving the remote steering wheel heating request, wake up the battery management system and the DC / DC converter connected to the power supply end of the IGN2 relay, send a high-voltage power-on request to the battery management system to complete high-voltage power-on after the low-voltage power-on is completed, and send the first vehicle signal state to the vehicle communication module and the body controller through CAN communication after the low-voltage power-on and the high-voltage power-on are both completed.

[0082] In some specific embodiments, the heating module comprises an external relay and a steering wheel electric heating resistance wire, the drive port of the body controller is connected with the external relay, and the power supply end of the external relay is connected with the steering wheel electric heating resistance wire; the sending end of the steering wheel electric heating resistance wire is connected with the body controller, and is configured to send an electric heating resistance wire temperature signal to the body controller.

[0083] The body controller is further configured to drive the external relay to control the steering wheel electric heating resistance wire to work and monitor the electric heating resistance wire temperature in real time when the high-voltage connection state in the first vehicle signal state sent by the vehicle control unit is connected.

[0084] The body controller is further configured to feed back the steering wheel heating state, the key power state and the actual power state to the vehicle communication module through CAN communication during the steering wheel heating process.

[0085] As to the system in the above embodiments, the specific manner in which each unit module performs the operation has been described in detail in the embodiments related to the method, and will not be described in detail here.

[0086] Based on the same inventive concept, the embodiments of the present application also provide a vehicle comprising the control system for reserving steering wheel heating.

[0087] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A control method for reserving heating of a steering wheel, characterized by, The application relates to a remote steering wheel heating method and device. The method comprises the following steps: sending steering wheel heating reservation information to a vehicle communication module through a mobile phone APP; the vehicle communication module wakes up a vehicle body controller and a vehicle controller according to the reservation information, and sends a remote steering wheel heating request to the vehicle body controller and the vehicle controller; after the vehicle controller receives the remote steering wheel heating request, the vehicle controller executes low-voltage power-on and high-voltage power-on through a power supply control module; after the low-voltage power-on and the high-voltage power-on are completed, the vehicle body controller drives a heating module to control steering wheel heating, and feeds back a steering wheel heating state to the vehicle communication module; wherein the vehicle communication module wakes up the vehicle body controller and the vehicle controller according to the reservation information, and sends the remote steering wheel heating request to the vehicle body controller and the vehicle controller, which comprises the following steps: after the vehicle communication module receives the reservation information, the vehicle communication module judges whether the current vehicle state meets the requirements; if yes, the vehicle communication module wakes up the vehicle body controller and the vehicle controller through CAN communication; wherein the current vehicle state comprises a power supply state of the current vehicle and an SOC value before the vehicle is powered off last time; after the vehicle body controller is woken up, the vehicle body controller collects environment temperature information through an environment temperature sensor, and sends the environment temperature information to the vehicle communication module through CAN communication; after the vehicle communication module receives the environment temperature information, the vehicle communication module judges whether the environment temperature value meets the environment temperature condition; if yes, the vehicle communication module sends the remote steering wheel heating request to the vehicle body controller and the vehicle controller through CAN communication; 2. The control method of claim 1, wherein, wherein the mobile phone APP receives heating information fed back by the vehicle communication module through wireless communication when the vehicle reservation steering wheel heating function is started and ended. The method comprises the following steps: a user sets reservation information of the reservation steering wheel heating through the mobile phone APP, and sends the reservation information to the vehicle communication module through wireless communication; after the vehicle communication module receives the reservation information, the vehicle communication module executes vehicle wake-up according to the reservation information, namely wakes up the vehicle body controller and the vehicle controller; 3. The control method of claim 2, wherein, wherein the reservation information comprises an environment temperature condition, a reservation time and a heating time. after the vehicle controller receives the remote steering wheel heating request, the vehicle controller executes low-voltage power-on and high-voltage power-on through the power supply control module, which comprises the following steps: after the vehicle controller receives the remote steering wheel heating request, the vehicle controller drives an IGN2 relay to close to execute low-voltage power-on, and wakes up a battery management system and a DC / DC converter connected to the IGN2 relay; after the low-voltage power-on is completed, the vehicle controller sends a high-voltage power-on request to the battery management system through CAN communication to complete the high-voltage power-on; after the low-voltage power-on and the high-voltage power-on are completed, the vehicle controller sends a first vehicle signal state to the vehicle communication module and the vehicle body controller through CAN communication; wherein the power supply control module comprises the IGN2 relay, the battery management system and the DC / DC converter; The first vehicle signal state includes: high voltage connection state, high voltage system failure, SOC display value, IGN2 relay connection state and DC / DC converter working state.

4. The control method of claim 3, wherein the control method is characterized by: After low voltage power-on and high voltage power-on are completed, the heating module is driven by the vehicle body controller to control steering wheel heating, and the steering wheel heating state is fed back to the vehicle communication module, including: The heating module includes an external relay and steering wheel electric heating resistance wire; When the vehicle body controller receives the first vehicle signal state sent by the vehicle controller and the high voltage connection state is connected, the vehicle body controller controls the steering wheel electric heating resistance wire to work by driving the external relay, and monitors the electric heating resistance wire temperature in real time; When the electric heating resistance wire temperature exceeds a predetermined value, the steering wheel heating is temporarily stopped, and when the electric heating resistance wire temperature drops to a certain extent, the vehicle body controller continues to execute the steering wheel heating command, and the steering wheel heating state remains unchanged; During the steering wheel heating process controlled by the vehicle body controller, the vehicle body controller feeds back the steering wheel heating state, key power state and actual power state to the vehicle communication module through CAN communication.

5. A control system for pre-booking steering wheel heating, characterized by, It includes: A mobile phone APP, a vehicle communication module, a vehicle body controller and a vehicle controller, The mobile phone APP is used to send the steering wheel heating reservation information to the vehicle communication module; The vehicle communication module is used to wake up the vehicle body controller and the vehicle controller according to the reservation information, and send a remote steering wheel heating request to the vehicle body controller and the vehicle controller; The vehicle controller is used to drive the power control module to execute low voltage power-on and high voltage power-on after receiving the remote steering wheel request sent by the vehicle communication module; The vehicle body controller is used to drive the heating module to control steering wheel heating after low voltage power-on and high voltage power-on are completed, and feed back the steering wheel heating state to the vehicle communication module; Wherein, The mobile phone APP and the vehicle communication module are connected through wireless communication, the vehicle communication module, the vehicle body controller and the vehicle controller are connected through CAN communication, and the vehicle body controller is connected with the environment temperature sensor; The vehicle communication module is used to receive the reservation information sent by the mobile phone APP, and to wake up the vehicle body controller and the vehicle controller through CAN communication when the current vehicle state meets the requirements; The vehicle controller is used to receive the environment temperature information collected by the environment temperature sensor and send it to the vehicle communication module; The vehicle communication module is used to send a remote steering wheel heating request to the vehicle body controller and the vehicle controller when the environment temperature value in the environment temperature information meets the requirements.

6. The control system for reserving steering wheel heating according to claim 5, wherein The power control module includes an IGN2 relay, a battery management system and a DC / DC converter, the driving end of the vehicle controller is connected with the IGN2 relay, and the power end of the IGN2 relay is connected with the battery management system and the DC / DC converter respectively. The whole vehicle controller is further used for driving the IGN2 relay to close to perform low-voltage power-on and waking up the battery management system and the DC / DC converter connected to the IGN2 relay after receiving the remote steering wheel heating request; sending a high-voltage power-on request to the battery management system to complete high-voltage power-on after the low-voltage power-on is completed; and sending the first vehicle signal state to the vehicle communication module and the body controller through CAN communication after the low-voltage power-on and the high-voltage power-on are both completed.

7. The control system for pre-booking steering wheel heating according to claim 5, wherein, The heating module comprises an external relay and a steering wheel electric heating resistance wire, a driving port of the body controller is connected with the external relay, and a power supply end of the external relay is connected with the steering wheel electric heating resistance wire; a sending end of the steering wheel electric heating resistance wire is connected with the body controller, and is used for sending an electric heating resistance wire temperature signal to the body controller; The body controller is further used for driving the external relay to control the steering wheel electric heating resistance wire to work and monitoring the electric heating resistance wire temperature in real time when the high-voltage connection state in the first vehicle signal state sent by the whole vehicle controller is connected. The body controller is further used for feeding back the steering wheel heating state, the key power state and the actual power state to the vehicle communication module through CAN communication during the steering wheel heating process.

8. A vehicle characterized by comprising: A control system for pre-booking steering wheel heating comprises any one of the systems according to claims 5-7.

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