Vehicle welcoming control method, device and vehicle

Abstract

The present invention discloses a vehicle welcome control method, device and vehicle, which are applied to the field of vehicle control technology. The method comprises: obtaining a first ranging distance between a vehicle and a corresponding vehicle key, and a light intensity signal of the vehicle's current environment; detecting whether there is an obstacle within a preset range in front of a target electric door of the vehicle, wherein the target electric door is the side where the vehicle key is located; if the first ranging distance is less than a preset distance threshold, the light intensity signal is less than a preset light intensity threshold, and there is no obstacle within a preset range in front of the electric door, the vehicle's welcome function is activated; the present invention solves the technical problem of inaccurate activation of the vehicle's welcome function.

Description

Technical Field

[0001] The present invention belongs to the technical field of vehicle control, and in particular relates to a vehicle welcoming control method, a device and a vehicle. Background Art

[0002] With the development of intelligent automobile technology, electric doors have gradually entered the public's field of vision. Compared with traditional mechanical doors, electric doors have more applications. Existing vehicles can project light blankets according to key signals and flexibly open sliding doors according to the distance between the user and the vehicle, eliminating the need for manual operation by the user, making it more convenient to open the sliding doors. Controlling only according to the distance between the user and the vehicle causes inaccurate opening of the vehicle's welcome function. Summary of the invention

[0003] The embodiments of the present invention provide a vehicle welcome control method, device and vehicle, which control the vehicle's welcome function by combining a key signal, a light intensity signal, and information about the presence or absence of obstacles, thereby solving the technical problem of inaccurate activation of the vehicle's welcome function.

[0004] In the first aspect, an embodiment of the present invention provides a vehicle welcome control method, comprising: obtaining a first ranging distance between a vehicle and a corresponding vehicle key, and a light intensity signal of the vehicle's current environment; detecting whether there is an obstacle within a preset range in front of a target electric door of the vehicle, wherein the target electric door is on the side where the vehicle key is located; if the first ranging distance is less than a preset distance threshold, the light intensity signal is less than a preset light intensity threshold, and there is no obstacle within a preset range in front of the electric door, the vehicle's welcome function is activated.

[0005] In combination with the first aspect of the present invention, in some embodiments, activating the welcome function of the vehicle includes: controlling the opening of an electric door of the vehicle, and / or activating a light carpet projection of the vehicle.

[0006] In combination with the first aspect of the present invention, in some embodiments, after the light carpet projection of the vehicle is turned on, it also includes: monitoring the distance change between the vehicle and the corresponding vehicle key; and changing the projection pattern of the light carpet projection according to the distance change.

[0007] In combination with the first aspect of the present invention, in some embodiments, after controlling the electric door of the vehicle to open, it also includes: monitoring the change in distance between the vehicle and the corresponding vehicle key; adjusting the opening and closing degree of the electric door according to the change in distance, wherein if the distance between the vehicle and the corresponding vehicle key decreases, the opening and closing degree of the electric door is increased; if the distance between the vehicle and the corresponding vehicle key increases, the opening and closing degree of the electric door is decreased.

[0008] In combination with the first aspect of the present invention, in some embodiments, the projection pattern is a stepped pattern, and changing the projection pattern of the light carpet according to the distance change includes: controlling the change in the number of steps of the stepped pattern according to the distance change between the vehicle and the corresponding vehicle key.

[0009] In combination with the first aspect of the present invention, in some embodiments, adjusting the opening and closing degree of the electric door according to the distance change includes: determining a second ranging distance between the vehicle and the corresponding vehicle key through auxiliary ranging; controlling the stepped pattern projected by the light carpet and the opening and closing degree of the electric door to synchronously follow the change of the second ranging distance until the stepped pattern is reduced to one step and the opening and closing degree of the electric door reaches the target opening and closing degree; wherein, for every decrease in a preset unit distance of the second ranging distance, the stepped pattern projected by the light carpet is controlled to decrease by one step, and the opening and closing degree of the electric door is adjusted to increase by a preset unit opening and closing degree, until the stepped pattern is reduced to one step and the opening and closing degree of the electric door reaches the target opening and closing degree.

[0010] In combination with the first aspect of the present invention, in some embodiments, after turning on the light carpet projection, it also includes: obtaining the ambient weather conditions of the vehicle's current environment; and adjusting the projection brightness of the light carpet projection according to the ambient weather conditions.

[0011] In combination with the first aspect of the present invention, in some embodiments, a light carpet projection device is provided on each side of the vehicle; the method further includes: determining the actual position of the user holding the key relative to the vehicle based on the signal emitted by the vehicle key; the light carpet projection of turning on the vehicle includes: turning on the light carpet projection on a designated side of the vehicle based on the actual position; the control of opening the electric door of the vehicle includes: opening the electric door on a designated side of the vehicle based on the actual position; wherein the designated side is determined based on the side where the user is located.

[0012] In a second aspect, an embodiment of the present invention provides a vehicle welcome control device, the vehicle welcome control device comprising: a distance acquisition unit, for acquiring a first ranging distance between a vehicle and a corresponding vehicle key; a light intensity acquisition unit, for acquiring a light intensity signal of the vehicle's current environment; an obstacle detection unit, for detecting whether there is an obstacle within a preset range in front of a target electric door of the vehicle, wherein the target electric door is on the side where the vehicle key is located; an execution unit, for activating the vehicle's welcome function when the first ranging distance is less than a preset distance threshold, the light intensity signal is less than a preset light intensity threshold, and there is no obstacle within a preset range in front of the electric door.

[0013] In a third aspect, an embodiment of the present invention provides a vehicle, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements any one of the methods described in the first aspect when executing the computer program.

[0014] One or more technical solutions provided by the embodiments of the present invention achieve at least the following technical effects or advantages:

[0015] The vehicle welcome control method provided by the embodiment of the present invention obtains a first ranging distance between the vehicle and a corresponding vehicle key, and a light intensity signal of the vehicle's current environment; detects whether there is an obstacle within a preset range in front of a target electric door of the vehicle; if the first ranging distance is less than a preset distance threshold, the light intensity signal is less than a preset light intensity threshold, and there is no obstacle within a preset range in front of the electric door, the vehicle's welcome function is activated; based on the distance between the vehicle and the corresponding vehicle key, the vehicle's welcome enable is controlled in combination with the environmental light intensity signal and information on whether there are obstacles in front, thereby avoiding controlling the vehicle's welcome enable only based on the distance between the vehicle and the corresponding vehicle key, making the timing of controlling the activation of the vehicle's welcome function more accurate and more in line with external environmental conditions, thereby solving the technical problem of inaccurate activation of the vehicle's welcome function and improving the accuracy of activating the vehicle's welcome function. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a flow chart of a welcoming control method for a vehicle in an embodiment of the present invention;

[0018] Figure 2 It is a detailed schematic diagram of the synchronous changes of the light carpet projection and the electric door;

[0019] Figure 3 for Figure 1 A structural schematic diagram of a device corresponding to the welcoming control method of a vehicle;

[0020] Figure 4 4 is a functional module diagram of a power supply circuit for a vehicle in an embodiment of the present invention. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] In the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0023] The embodiment of the present invention provides a vehicle welcoming control method, and the vehicle may be a family vehicle, a public vehicle, etc. Figure 1 As shown, an embodiment of the present invention provides a vehicle welcome control method, comprising the following steps:

[0024] S101: Acquire a first distance measurement between a vehicle and a corresponding vehicle key, and a light intensity signal of a current environment of the vehicle;

[0025] It should be noted that the entity of the vehicle key can be an ordinary car key, a mobile phone key, etc. The mobile phone key refers to a mobile phone equipped with a communication device for communicating with the vehicle, and which is installed with an APP for controlling the vehicle.

[0026] It can be understood that in order to obtain the first ranging distance between the vehicle and the corresponding vehicle key, a first short-range communication device is respectively provided at each electric door of the vehicle, and a second short-range communication device is provided on the vehicle key. The first ranging distance between the vehicle and the corresponding vehicle key is determined through communication between the first short-range communication device and the second short-range communication device.

[0027] According to the difference between the first short-range communication device and the second short-range communication device, the vehicle key is also different, and specifically, it can be a smart key, a Bluetooth key or a UWB (Ultra Wide Band) key.

[0028] Taking the entity of the vehicle key as a mobile phone key equipped with a Bluetooth module, a Bluetooth slave antenna is installed in the door handle of each electric door of the vehicle, and a Bluetooth master module is installed inside the vehicle, the process of obtaining the first distance between the vehicle and the corresponding vehicle key is illustrated as follows: when the mobile phone key approaches the vehicle, the Bluetooth slave antenna installed on the vehicle receives the Bluetooth signal generated by the mobile phone key, and completes the Bluetooth connection with the mobile phone key through the LIN (Local Interconnect Network) communication protocol; the Bluetooth master module wakes up the Bluetooth slave antenna in each door handle, and the Bluetooth slave antenna in each door handle determines the first distance between the mobile phone key and the vehicle based on the strength information of the interactive field with the mobile phone APP. It can be understood that the Bluetooth master module can be an independent product, or it can be integrated with other products in the car, such as TBOX (telematics box, car networking system).

[0029] It should be noted that the light intensity signal of the vehicle's current environment includes the light intensity signal of the sun, the light intensity signal of street lamps, the light intensity signal of car lights, and the like.

[0030] S102: Detect whether there is an obstacle within a preset range in front of a target electric door of the vehicle, wherein the target electric door is on the side where the vehicle key is located.

[0031] It is understandable that obstacles include but are not limited to: other vehicles, trash cans, trees, buildings, etc.; in S102, it can be but is not limited to ultrasonic detection or radar detection to determine whether there are obstacles within a preset range ahead.

[0032] S103: If the first distance measurement is less than the preset distance threshold, the light intensity signal is less than the preset light intensity threshold, and there is no obstacle within the preset range in front of the electric door, the welcoming function of the vehicle is turned on.

[0033] It should be noted that activating the welcome function of the vehicle may include: controlling the opening of the vehicle's electric door and / or activating the vehicle's light carpet projection.

[0034] It should be noted that the vehicle's electric doors include but are not limited to: gull-wing doors, sliding doors, sliding doors, scissor doors, etc.

[0035] In some embodiments, after the light carpet projection of the vehicle is turned on, the method may further include: monitoring the distance change between the vehicle and the corresponding vehicle key; and changing the projection pattern of the light carpet projection according to the distance change.

[0036] It should be noted that monitoring the change in the distance between a vehicle and a corresponding vehicle key is relatively simple. The change in the distance between the vehicle and the corresponding vehicle key can be monitored through a Bluetooth signal. Specifically, the entity of the vehicle key is a mobile phone key equipped with a Bluetooth module, a Bluetooth slave antenna is provided in the door handle of each electric door of the vehicle, and a Bluetooth master module is provided inside the vehicle. The process of monitoring the change in the distance between the vehicle and the mobile phone key through a Bluetooth signal is illustrated by an example: when the mobile phone key approaches the vehicle, the Bluetooth master module inside the vehicle receives the Bluetooth signal and completes the connection with the mobile phone key through the LIN (Local Interconnect Network) communication protocol; the Bluetooth master module wakes up the Bluetooth slave antenna in each door handle, and the Bluetooth slave antenna in each door handle determines the change in the distance between the vehicle and the mobile phone key according to the change in the strength information of the interaction field with the mobile phone APP.

[0037] In order to more accurately monitor the distance change between the vehicle and the corresponding vehicle key, the second distance between the vehicle and the corresponding vehicle key can be determined by auxiliary distance measurement based on the Bluetooth signal to monitor the distance change between the vehicle and the corresponding vehicle key. Among them, the auxiliary distance measurement can be an infrared distance measurement module or an ultrasonic distance measurement module and other auxiliary distance measurement tools.

[0038] Specifically, a Bluetooth slave antenna and an infrared ranging module are arranged in the door handle of each electric door of the vehicle, and a Bluetooth master module is arranged inside the vehicle: when the vehicle key approaches the vehicle, the first ranging distance and relative position information between the vehicle key and the vehicle are obtained through the Bluetooth signal. When the first ranging distance is less than the preset distance threshold, the infrared ranging module of the vehicle is awakened, and the infrared ranging module performs auxiliary ranging between the vehicle key and the vehicle according to the relative position information, so as to detect the second ranging distance between the vehicle and the mobile phone key.

[0039] For example, the infrared ranging module detects the first user distance and the second user distance corresponding to two users and the vehicle, and compares the first user distance and the second user distance with the first ranging distance between the vehicle key and the vehicle obtained through the Bluetooth signal. The user distance closest to the first ranging distance is regarded as the user with the vehicle key.

[0040] It should be noted that, in the process of changing the projection pattern of the light carpet projection according to the distance change, the projection pattern may be a pattern of a fixed shape or a stepped pattern.

[0041] If it is a fixed shape pattern, the position of the fixed shape pattern is controlled to change according to the change of the distance between the vehicle and the corresponding vehicle key. Specifically, if the distance between the vehicle and the corresponding vehicle key decreases, the fixed shape pattern is controlled to move closer to the vehicle; if the distance between the vehicle and the corresponding vehicle key increases, the fixed shape pattern is controlled to move away from the vehicle;

[0042] If it is a staircase pattern, the number of steps of the staircase pattern is controlled to change according to the distance between the vehicle and the corresponding vehicle key. Specifically, if the distance between the vehicle and the corresponding vehicle key decreases, the number of steps of the staircase pattern is controlled to decrease; if the distance between the vehicle and the corresponding vehicle key increases, the number of steps of the staircase pattern is controlled to increase.

[0043] In an embodiment of the present invention, after controlling the opening of the electric door of the vehicle, it can also include: monitoring the change in the distance between the vehicle and the corresponding vehicle key; adjusting the opening and closing degree of the electric door according to the change in the distance between the vehicle and the corresponding vehicle key, wherein if the distance between the vehicle and the corresponding vehicle key decreases, the opening and closing degree of the electric door is increased; if the distance between the vehicle and the corresponding vehicle key increases, the opening and closing degree of the electric door is decreased.

[0044] In some embodiments, the projection pattern and the opening and closing degree of the electric door change synchronously with the change in the distance between the vehicle and the corresponding vehicle key.

[0045] Specifically, the step-shaped pattern projected by the light carpet and the opening and closing degree of the electric door are controlled to synchronously follow the distance change between the vehicle and the corresponding vehicle key, until the step-shaped pattern is reduced to one step, and the opening and closing degree of the electric door reaches the target opening and closing degree; wherein, for each decrease in the preset unit distance of the second distance measurement, the step-shaped pattern projected by the light carpet is controlled to decrease by one step, and the opening and closing degree of the electric door is adjusted to increase the preset unit opening and closing degree, until the step-shaped pattern is reduced to one step, and the opening and closing degree of the electric door reaches the target opening and closing degree. This ensures that the number of steps of the step-shaped pattern corresponding to the current user position can be accurately recorded, and ensures that the opening and closing degree of the electric door is consistent with the actual situation.

[0046] It should be noted that the second ranging distance between the vehicle and the corresponding vehicle key is obtained in combination with the auxiliary ranging, and the stepped pattern of the light carpet projection and the opening and closing degree of the electric door are controlled to change synchronously with the second ranging distance, thereby achieving the effect of controlling the number of steps of the stepped pattern and the opening and closing degree of the electric door to match more accurately.

[0047] refer to Figure 2As shown, a specific schematic diagram of controlling the step-shaped pattern of the light carpet projection and the opening and closing degree of the electric door to synchronously follow the change of the second ranging distance is shown. When the distance between the vehicle and the corresponding vehicle key is greater than the preset distance threshold, the light carpet projection and the electric door are not opened; when the distance between the vehicle and the corresponding vehicle key is not greater than the preset distance threshold, the light carpet projection and the electric door are opened synchronously; when the second ranging distance is reduced by a preset unit distance, the step-shaped pattern of the light carpet projection is controlled to decrease by one step, and the opening and closing degree of the electric door is adjusted to increase the preset unit opening and closing degree, until the step-shaped pattern is reduced to one step, the opening and closing degree of the electric door reaches the target opening and closing degree. It should be noted that the target opening and closing degree can be the maximum opening and closing degree of the electric door.

[0048] To adjust the opening and closing degree of the electric door, specifically, it can be: controlling the electric door to move left and right, front and back, or up and down relative to the vehicle body; the device for adjusting the opening and closing degree of the electric door can be an electric strut, in which a Hall sensor and a strut motor are provided, and the strut motor provides two-way input Hall detection signals through the Hall sensor to adjust the opening and closing degree of the electric door.

[0049] In an embodiment of the present invention, a light carpet projection device may be provided on each side of the vehicle; based on a signal emitted by a vehicle key, the actual position of a user holding the key relative to the vehicle is determined; when the light carpet projection of the vehicle is turned on: based on the actual position, the light carpet projection device on a designated side of the vehicle is turned on to realize the light carpet projection; the opening of the vehicle's electric door is controlled, including: based on the actual position, opening the electric door on a designated side of the vehicle; wherein the designated side is determined based on the side where the user is located.

[0050] Taking the entity of the vehicle key as a mobile phone key equipped with a Bluetooth module, a Bluetooth slave antenna is set in the door handle of each electric door of the vehicle, and a Bluetooth master module is set inside the vehicle. An example of a method for determining the side where the user is located is given: when the mobile phone key approaches the vehicle, the Bluetooth master module inside the vehicle receives the Bluetooth signal and completes the connection with the mobile phone key through the LIN (Local Interconnect Network) communication protocol; the Bluetooth master module wakes up the Bluetooth slave antenna in each door handle, and the Bluetooth slave antenna in each door handle determines the side where the user is located according to the changes in the strength of the interactive field with the mobile phone APP.

[0051] For example, the strength information of the interactive field strength obtained by the Bluetooth antenna located in the first side door handle of the vehicle body is A, and the strength information of the interactive field strength obtained by the Bluetooth antenna located in the second side door handle of the vehicle body is B. If A is greater than B, it is determined that the user's side is the first side of the vehicle body; if B is greater than A, it is determined that the user's side is the second side of the vehicle body.

[0052] Furthermore, after turning on the light carpet projection, the ambient weather conditions of the vehicle's current environment can also be obtained; according to the ambient weather conditions, the projection brightness of the light carpet projection can be adjusted. It should be noted that if the ambient weather conditions are bad, the light carpet projection will be unclear and the display effect will be poor, so the projection brightness of the light carpet projection needs to be increased; if the ambient weather conditions are normal, the light carpet projection will not be unclear and the display effect will be poor, so the projection brightness of the light carpet projection needs to be lowered; among which, the bad ambient weather conditions specifically refer to: rain, fog, high light intensity, etc.

[0053] Based on the same inventive concept, the embodiment of the present invention provides a vehicle welcome control device 10, referring to Figure 3 As shown, the vehicle's welcome control device 10 includes: a first distance acquisition unit 110, used to acquire a first ranging distance between the vehicle and a corresponding vehicle key; a light intensity acquisition unit 120, used to acquire a light intensity signal of the vehicle's current environment; an obstacle detection unit 130, used to detect whether there is an obstacle within a preset range in front of a target electric door of the vehicle, wherein the target electric door is the side where the vehicle key is located; an execution unit 140, used to activate the vehicle's welcome function when the first ranging distance is less than a preset distance threshold, the light intensity signal is less than a preset light intensity threshold, and there is no obstacle within a preset range in front of the electric door.

[0054] It is understandable that the execution unit 140 includes: an electric door control subunit 1410 for controlling the opening of the electric door of the vehicle, and / or a projection control subunit 1420 for starting the light carpet projection of the vehicle.

[0055] It is understandable that a second distance acquisition unit 150 is also included, which is used to monitor the distance change between the vehicle and the corresponding vehicle key after the vehicle is turned on and the light carpet is projected; the projection control subunit 1420 is also used to change the projection pattern of the light carpet projection according to the distance change.

[0056] It can be understood that the projection pattern is a stepped pattern, and the projection control subunit 1420 is specifically used to: change the projection pattern of the light carpet projection according to the distance change, including: controlling the change in the number of steps of the stepped pattern according to the distance change between the vehicle and the corresponding vehicle key.

[0057] It can be understood that the second distance acquisition unit 150 is also used to: monitor the change in distance between the vehicle and the corresponding vehicle key after controlling the opening of the vehicle's electric door; the electric door control subunit 1410 is also used to: adjust the opening and closing degree of the electric door according to the distance change, wherein if the distance between the vehicle and the corresponding vehicle key decreases, the opening and closing degree of the electric door is increased; if the distance between the vehicle and the corresponding vehicle key increases, the opening and closing degree of the electric door is decreased.

[0058] It can be understood that the second distance acquisition unit 150 is specifically used to: determine the second ranging distance between the vehicle and the corresponding vehicle key through auxiliary ranging; control the stepped pattern of the light carpet projection and the opening and closing degree of the electric door to synchronously follow the changes in the second ranging distance, until the stepped pattern is reduced to one step, the opening and closing degree of the electric door reaches the target opening and closing degree; wherein, the second ranging distance is reduced by a preset unit distance each time, including: a projection control subunit 1420, specifically used to: control the stepped pattern of the light carpet projection to reduce one step; an electric door control subunit 1410, specifically used to: adjust the opening and closing degree of the electric door to increase the preset unit opening and closing degree, until the stepped pattern is reduced to one step, the opening and closing degree of the electric door reaches the target opening and closing degree.

[0059] The vehicle welcome control device 10 also includes: an environment acquisition unit 160, which is used to obtain the environmental weather conditions of the vehicle's current environment; and a projection control subunit 1420, which is also used to: adjust the projection brightness of the light carpet projection according to the environmental weather conditions.

[0060] A light carpet projection device is provided on each side of the vehicle. The vehicle's welcome control device 10 also includes: a position acquisition unit 170, used to determine the actual position of the user holding the key relative to the vehicle based on the signal sent by the vehicle key; a projection control subunit 1420, also used to: turn on the light carpet projection on the designated side of the vehicle based on the actual position; an electric door control subunit 1410, also used to: turn on the electric door on the designated side of the vehicle based on the actual position; wherein the designated side is determined based on the side where the user is located.

[0061] It should be understood that more implementation details of the vehicle welcome control device in the embodiment of the present invention are described in the aforementioned vehicle welcome control method, and for the sake of brevity of the specification, they are not repeated here.

[0062] Based on the same inventive concept, an embodiment of the present invention further provides a power supply circuit for a vehicle, such as Figure 4 As shown, it includes a memory 404, a processor 402, and a computer program stored in the memory 404 and executable on the processor 402. The processor 402 executes the program to implement the steps described in any implementation of the vehicle welcome control method embodiment.

[0063] Among them, Figure 4In the embodiment of the present invention, a bus architecture (represented by bus 400) is shown, and bus 400 may include any number of interconnected buses and bridges, and bus 400 links various circuits including one or more processors represented by processor 402 and memory represented by memory 404. Bus 400 may also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein. Bus interface 405 provides an interface between bus 400 and receiver 401 and transmitter 403. Receiver 401 and transmitter 403 may be the same element, i.e., a transceiver, providing a unit for communicating with various other devices on a transmission medium. Processor 402 is responsible for managing bus 400 and general processing, while memory 404 may be used to store data used by processor 402 when performing operations.

[0064] Through the embodiments of the present invention, it is achieved that the vehicle's welcome function is controlled based on the distance between the vehicle and the corresponding vehicle key, combined with the ambient light intensity signal and the information of whether there are obstacles ahead, thereby avoiding controlling the vehicle's welcome function only based on the distance between the vehicle and the corresponding vehicle key, so that the timing of controlling the activation of the vehicle's welcome function is more accurate and more in line with external environmental conditions, thereby solving the technical problem of inaccurate activation of the vehicle's welcome function and improving the accuracy of activating the vehicle's welcome function.

[0065] The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored as one or more instructions or codes on a computer-readable medium or transmitted via a computer-readable medium. Other examples and implementations are within the scope and spirit of the present invention and the appended claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hard wiring, or a combination of any of these. In addition, each functional unit may be integrated into a processing unit, each unit may exist physically separately, or two or more units may be integrated into one unit.

[0066] In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of the units can be a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0067] The units described as separate components may or may not be physically separated, and the components of the control device may or may not be physical units, that is, they may be located in one place or distributed in multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0068] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.

[0069] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A vehicle welcoming control method, characterized in that: include: Acquire a first ranging distance between the vehicle and the corresponding vehicle key, and a light intensity signal of the environment in which the vehicle is currently located; Detecting whether there is an obstacle within a preset range in front of a target electric door of the vehicle, wherein the target electric door is on the side where the vehicle key is located; If the first ranging distance is less than a preset distance threshold, the light intensity signal is less than a preset light intensity threshold, and there is no obstacle within a preset range in front of the electric door, the electric door of the vehicle is controlled to open, and the light carpet projection of the vehicle is turned on, and the projection pattern of the light carpet projection is a step-shaped pattern; After the control of the electric door of the vehicle to open, the method further includes: monitoring the change in the distance between the vehicle and the corresponding vehicle key; adjusting the opening and closing degree of the electric door according to the change in the distance, wherein if the distance between the vehicle and the corresponding vehicle key decreases, the opening and closing degree of the electric door is increased; if the distance between the vehicle and the corresponding vehicle key increases, the opening and closing degree of the electric door is decreased; The adjusting the opening and closing degree of the electric door according to the distance change includes: determining a second ranging distance between the vehicle and the corresponding vehicle key through auxiliary ranging; controlling the stepped pattern projected by the light carpet and the opening and closing degree of the electric door to synchronously follow the change of the second ranging distance, until the stepped pattern is reduced to one step, and the opening and closing degree of the electric door reaches a target opening and closing degree; wherein, for each time the second ranging distance is reduced by a preset unit distance, the stepped pattern projected by the light carpet is controlled to be reduced by one step, and the opening and closing degree of the electric door is adjusted to increase by a preset unit opening and closing degree, until the stepped pattern is reduced to one step, and the opening and closing degree of the electric door reaches the target opening and closing degree.

2. The vehicle welcoming control method according to claim 1, characterized in that: After the vehicle starts the light carpet projection, the method further includes: monitoring a change in the distance between the vehicle and a corresponding vehicle key; According to the distance change, the projection pattern of the light carpet projection is changed.

3. The vehicle welcoming control method according to claim 2, characterized in that: The step of changing the projection pattern of the light carpet projection according to the distance change comprises: The number of steps of the step-shaped pattern is controlled to change according to the change in the distance between the vehicle and the corresponding vehicle key.

4. The vehicle welcoming control method according to any one of claims 1 to 3, characterized in that: After turning on the light carpet projection, it also includes: Obtaining the ambient weather conditions of the vehicle's current environment; The projection brightness of the light carpet projection is adjusted according to the ambient weather conditions.

5. The vehicle welcoming control method according to claim 1, characterized in that: Each side of the vehicle is provided with a light carpet projection device; the method further comprises: Determining the actual position of the key holder relative to the vehicle based on the signal emitted by the vehicle key; The turning on the light carpet projection of the vehicle comprises: turning on the light carpet projection of a designated side of the vehicle according to the actual position; The controlling the electric door of the vehicle to open comprises: opening the electric door on a designated side of the vehicle according to the actual position; The designated side is determined according to the side where the user is located.

6. A vehicle welcome control device, characterized in that: The vehicle welcome control device comprises: A distance acquisition unit, used to acquire a first ranging distance between the vehicle and the corresponding vehicle key; A light intensity acquisition unit, used to acquire a light intensity signal of the environment in which the vehicle is currently located; an obstacle detection unit, used to detect whether there is an obstacle within a preset range in front of a target electric door of the vehicle, wherein the target electric door is on the side where the vehicle key is located; An execution unit is used to control the opening of the electric door of the vehicle and start the light carpet projection of the vehicle under the conditions that the first ranging distance is less than a preset distance threshold, the light intensity signal is less than a preset light intensity threshold, and there is no obstacle within a preset range in front of the electric door. The projection pattern of the light carpet projection is a step-shaped pattern; after controlling the opening of the electric door of the vehicle, it also includes: monitoring the distance change between the vehicle and the corresponding vehicle key; adjusting the opening and closing degree of the electric door according to the distance change, wherein if the distance between the vehicle and the corresponding vehicle key decreases, the opening and closing degree of the electric door is increased; if the distance between the vehicle and the corresponding vehicle key increases, the opening and closing degree of the electric door is decreased. The method comprises the steps of: determining the opening and closing degree of the electric door according to the distance change, determining the second distance between the vehicle and the corresponding vehicle key through auxiliary distance measurement; controlling the stepped pattern projected by the light carpet and the opening and closing degree of the electric door to synchronously follow the change of the second distance measurement, until the stepped pattern is reduced to one step, and the opening and closing degree of the electric door reaches the target opening and closing degree; wherein, for each time the second distance measurement distance is reduced by a preset unit distance, the stepped pattern projected by the light carpet is controlled to be reduced by one step, and the opening and closing degree of the electric door is adjusted to increase by a preset unit opening and closing degree, until the stepped pattern is reduced to one step, and the opening and closing degree of the electric door reaches the target opening and closing degree.

7. A vehicle, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the method according to any one of claims 1 to 5 when executing the computer program.

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