阅读说明：本技术 一种尾门光影总成控制方法与装置 (Tail gate light and shadow assembly control method and device ) 是由 马超明 赵德新 池宏伟 林哲 李耀华 刘军 于 2020-05-11 设计创作，主要内容包括：本发明涉及汽车尾门自动控制技术领域,特别涉及一种尾门光影总成控制方法与装置,包括以下步骤：S1,在检测范围内检测是否存在车钥匙,若是则执行下一步,若否则循环执行本步骤；S2,在预设指引范围内投射指引图形；S3,在所述预设指引范围内检测是否存在预设开启指令,若是则执行下一步,若否则不作反应；S4,控制尾门开启,并持续检测所述预设指引范围内是否存在预设关闭指令,若是则执行下一步,若否则不作反应；S5,控制尾门关闭。本发明的提出解决了现有AR尾门自动控制技术下,检测装置的检测范围并未进行相应的指示,增加了汽车尾门的开启难度,令汽车尾门开启的响应时效性较差的问题。(The invention relates to the technical field of automatic control of an automobile tail gate, in particular to a method and a device for controlling a tail gate light and shadow assembly, which comprises the following steps: s1, detecting whether a vehicle key exists in the detection range, if so, executing the next step, otherwise, executing the step circularly; s2, projecting a guide graph in a preset guide range; s3, detecting whether a preset opening instruction exists in the preset guide range, if so, executing the next step, otherwise, not making a reaction; s4, controlling the tail gate to open, continuously detecting whether a preset closing instruction exists in the preset guide range, if so, executing the next step, otherwise, not reacting; and S5, controlling the tail gate to close. The invention solves the problems that the detection range of the detection device does not correspondingly indicate under the existing AR tail gate automatic control technology, the opening difficulty of the automobile tail gate is increased, and the response timeliness of the opening of the automobile tail gate is poor.)

1. A control method for a tail gate light and shadow assembly is characterized by comprising the following steps:

s1, detecting whether a vehicle key exists in the detection range, if so, executing the next step, otherwise, executing the step circularly;

s2, projecting a guide graph in a preset guide range;

s3, detecting whether a preset opening instruction exists in the preset guide range, if so, executing the next step, otherwise, not making a reaction;

s4, controlling the tail gate to open, continuously detecting whether a preset closing instruction exists in the preset guide range, if so, executing the next step, otherwise, not reacting;

and S5, controlling the tail gate to close.

2. The method of claim 1, wherein the step of controlling the backdoor lighting assembly comprises:

in the step S1, whether a vehicle key exists in a detection range is detected, specifically, whether a radio frequency signal of a vehicle key corresponding to a current vehicle exists in the detection range is detected by a PEPS technique, if so, it is determined that the vehicle key exists in the detection range, and if not, it is determined that the vehicle key does not exist in the detection range.

3. A tailgate light and shadow assembly control method, according to claim 2, characterized by:

in step S3, detecting whether a preset open instruction exists within the preset guide range, specifically, detecting whether the projected light of the guide pattern is projected normally, if the projected light is blocked, determining that the preset open instruction exists within the preset guide range, and if the projected light is projected normally, determining that the preset open instruction does not exist within the preset guide range;

in the step S4, it is detected whether a preset closing instruction exists within the preset guide range, specifically, whether the projected light of the guide pattern is projected normally is detected, if the projected light is blocked, it is determined that the preset closing instruction exists within the preset guide range, and if the projected light is projected normally, it is determined that the preset closing instruction does not exist within the preset guide range.

4. The method as claimed in claim 3, wherein the step S4 specifically includes:

s41, controlling the tail gate to open;

s42, detecting whether the projection light of the guide pattern is projected normally, if yes, executing step S43, otherwise executing step S5;

and S43, further detecting whether the vehicle key exists in the detection range, if so, returning to the step S42, otherwise, detecting the projection time of the projection light, and if so, executing the step S5.

5. A method as claimed in any one of claims 4, wherein:

in step S3, detecting whether the projected light of the guide pattern is projected normally, specifically, detecting whether the projected light of the guide pattern is sequentially blocked according to a preset mode;

in step S42, it is detected whether the projected light of the guide pattern is projected normally, specifically, whether the projected light of the guide pattern is sequentially blocked according to a preset mode is detected.

6. The method of claim 5, wherein: the preset manner in the steps S3 and S42 is from top to bottom or from bottom to top.

7. A tailgate light and shadow assembly control method, according to any of claims 1-6, characterized by:

in step S2, projecting a guidance graphic within a preset guidance range, specifically, projecting an initial guidance graphic within the preset guidance range;

the step S3 specifically includes the steps of,

s31, detecting whether a preset opening instruction exists in the preset guide range, if so, executing the next step, otherwise, not making a reaction;

s32, projecting the starting state graph in the preset projection range and executing the next step;

the step S42 specifically includes the steps of,

s421, detecting whether the projection light of the guide pattern is projected normally, if so, executing the next step, otherwise, executing the step S5;

s422, projecting the closed state pattern within the preset projection range, and executing the step S43.

8. The method of claim 7, wherein the step of controlling the backdoor lighting assembly comprises:

the initial guideline pattern of step S2 is the same as the closed state pattern of step S422;

the preset on command in step S31 is the same as the preset off command in step S41.

9. The utility model provides a tail-gate shadow assembly controlling means which characterized in that: the system comprises a controller, and a car key detection module, a projection module, an action detection module and a tail gate motor which are electrically connected with the controller;

the vehicle key detection module is used for detecting whether a vehicle key exists in a detection range; the vehicle key is also used for sending a projection instruction to the controller when the vehicle key is detected;

the controller is used for controlling the projection module to be started when the projection instruction is received;

the projection module is used for projecting a guide graph to a preset guide range;

the action detection module is used for detecting whether a preset opening instruction exists in the preset guide range; the controller is also used for sending a tail gate opening instruction to the controller when the preset opening instruction is detected;

the controller is used for controlling the tail gate motor to start and open the tail gate according to the tail gate opening instruction;

the action detection module is also used for detecting whether a preset closing instruction exists in the preset guide range; the tail gate closing device is also used for sending a tail gate closing instruction to the controller when the preset closing instruction is detected;

the controller is further used for controlling the tail gate motor to start and close the tail gate according to the tail gate closing instruction.

10. A tailgate light and shadow assembly control apparatus, as claimed in claim 9, wherein: the vehicle key detection module is a PEPS detection module; the controller is a BCM module.

Technical Field

The invention relates to the technical field of automatic control of automobile tail gates, in particular to a method and a device for controlling a tail gate light and shadow assembly.

Background

An automobile generally comprises four basic parts, namely an engine, a chassis, a body and electrical equipment, wherein the automobile body is arranged on a frame of the chassis and used for a driver and passengers to ride or load goods. The automobile body mainly includes: vehicle body housings, vehicle doors, vehicle windows, vehicle front panel parts, interior and exterior vehicle body trim and vehicle body accessories, seats, and ventilation, heating, cooling, air conditioning devices, and the like. When the automobile is assembled, an automobile trunk for loading articles is formed by the rear row seats and the rear end of the automobile body shell in an isolated mode, and a tail door is arranged.

The existing automobile tail door opening mode is usually realized by three modes of electrical opening, key opening and automatic opening, wherein the automatic opening can be realized only based on a corresponding detection device which is mainly used for detecting whether a set detection object exists or not, but in the prior art, the detection range of the detection device does not carry out corresponding indication, the opening difficulty of the automobile tail door is increased, and the response timeliness of the opening of the automobile tail door is poor.

Disclosure of Invention

The invention provides a method and a device for controlling a tail gate light and shadow assembly, and mainly solves the problems that the detection range of a detection device does not carry out corresponding indication under the existing AR tail gate automatic control technology, the opening difficulty of an automobile tail gate is increased, and the response timeliness of the opening of the automobile tail gate is poor.

The invention provides a control method of a tail gate shadow assembly, which comprises the following steps:

s1, detecting whether a vehicle key exists in the detection range, if so, executing the next step, otherwise, executing the step circularly;

s2, projecting a guide graph in a preset guide range;

s3, detecting whether a preset opening instruction exists in the preset guide range, if so, executing the next step, otherwise, not making a reaction;

s4, controlling the tail gate to open, continuously detecting whether a preset closing instruction exists in the preset guide range, if so, executing the next step, otherwise, not reacting;

and S5, controlling the tail gate to close.

Preferably, in the step S1, it is detected whether a vehicle key exists in a detection range, specifically, in the detection range, it is detected whether a radio frequency signal of a vehicle key corresponding to a current vehicle exists through a PEPS technique, if so, it is determined that the vehicle key exists in the detection range, and if not, it is determined that the vehicle key does not exist in the detection range.

Preferably, in the step S3, it is detected whether a preset opening instruction exists within the preset guide range, specifically, whether projected light of the guide pattern is projected normally is detected, if the projected light is blocked, it is determined that the preset opening instruction exists within the preset guide range, and if the projected light is projected normally, it is determined that the preset opening instruction does not exist within the preset guide range;

in the step S4, it is detected whether a preset closing instruction exists within the preset guide range, specifically, whether the projected light of the guide pattern is projected normally is detected, if the projected light is blocked, it is determined that the preset closing instruction exists within the preset guide range, and if the projected light is projected normally, it is determined that the preset closing instruction does not exist within the preset guide range.

Preferably, the step S4 specifically includes:

s41, controlling the tail gate to open;

s42, detecting whether the projection light of the guide pattern is projected normally, if yes, executing step S43, otherwise executing step S5;

and S43, further detecting whether the vehicle key exists in the detection range, if so, returning to the step S42, otherwise, detecting the projection time of the projection light, and if so, executing the step S5.

Preferably, in step S3, it is detected whether the projected light of the guide pattern is projected normally, specifically, whether the projected light of the guide pattern is blocked sequentially in a preset manner is detected;

in step S42, it is detected whether the projected light of the guide pattern is projected normally, specifically, whether the projected light of the guide pattern is sequentially blocked according to a preset mode is detected.

Preferably, the preset manner in steps S3 and S42 is from top to bottom or from bottom to top.

Preferably, in step S2, a guidance graphic is projected within a preset guidance range, specifically, an initial guidance graphic is projected within the preset guidance range;

the step S3 specifically includes the steps of,

s31, detecting whether a preset opening instruction exists in the preset guide range, if so, executing the next step, otherwise, not making a reaction;

s32, projecting the starting state graph in the preset projection range and executing the next step;

the step S42 specifically includes the steps of,

s421, detecting whether the projection light of the guide pattern is projected normally, if so, executing the next step, otherwise, executing the step S5;

s422, projecting the closed state pattern within the preset projection range, and executing the step S43.

Preferably, the on-state pattern in step S32 is the same as the off-state pattern in step S422.

The invention also provides a tail gate light and shadow assembly control device, which comprises a controller, and a car key detection module, a projection module, an action detection module and a tail gate motor which are electrically connected with the controller;

the vehicle key detection module is used for detecting whether a vehicle key exists in a detection range; the vehicle key is also used for sending a projection instruction to the controller when the vehicle key is detected;

the controller is used for controlling the projection module to be started when the projection instruction is received;

the projection module is used for projecting a guide graph to a preset guide range;

the action detection module is used for detecting whether a preset opening instruction exists in the preset guide range; the controller is also used for sending a tail gate opening instruction to the controller when the preset opening instruction is detected;

the controller is used for controlling the tail gate motor to start and open the tail gate according to the tail gate opening instruction;

the action detection module is also used for detecting whether a preset closing instruction exists in the preset guide range; the controller is further used for sending a tail gate closing instruction to the controller when the preset closing instruction is detected;

the controller is further used for controlling the tail gate motor to start and close the tail gate according to the tail gate closing instruction.

Preferably, the vehicle key detection module is a PEPS detection module; the controller is a BCM module.

From the above, the following beneficial effects can be obtained by applying the technical scheme provided by the invention:

firstly, the control method of the tail gate light and shadow assembly provided by the invention further guides a user to perform corresponding opening action in the range through the guide graph after detecting that the car key exists, thereby reducing the opening difficulty of the tail gate and improving the response timeliness of the opening of the tail gate;

secondly, the control method of the tail gate shadow assembly provided by the invention detects the existence of the car key through the PEPS detection technology, the detection result is more accurate, the accuracy is higher, and the requirement that a user starts a subsequent detection process only when the user arrives at the tail part of the car is met;

thirdly, the control device for the tail gate light and shadow assembly provided by the invention is mainly communicated with a plurality of detection devices through the controller, and can realize automatic control through the controller, thereby reducing the opening difficulty of the tail gate and ensuring the practical comfort of the vehicle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a flowchart of a control method in embodiment 1 of the invention;

fig. 2 is a block diagram and a working schematic diagram of a control device in embodiment 2 of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Under the current AR tail-gate automatic control technique, detection device's detection range does not carry out corresponding instruction, has increased the degree of difficulty of opening of car tail-gate, makes the response timeliness relatively poor problem that the car tail-gate was opened.