阅读说明：本技术 一种用于开门警示的汽车氛围灯控制系统及其方法 (Automobile atmosphere lamp control system and method for door opening warning ) 是由 刘少锋 王从斌 李俣成 杨洋 于 2021-07-27 设计创作，主要内容包括：本发明涉及一种用于开门警示的汽车氛围灯控制系统及其方法,该方法包括：雷达探测器获取主车辆与后方目标车辆的距离信息以及后方目标车辆的速度信息,并将获取的数据实时传输给第一控制器；车身控制器将主车辆的当前车门状态信息实时传输给第一控制器；根据接收的主车辆与后方目标车辆之间的距离信息、后方目标车辆的速度信息以及主车辆的车门状态信息,第一控制器输出对应控制信号给氛围灯,以改变氛围灯的工作状态。与现有技术相比,本发明能够在不同场景下对应控制氛围灯的工作状态,从而直接、有效可靠地对用户起到开门警示的作用。(The invention relates to an automobile atmosphere lamp control system and method for door opening warning, wherein the method comprises the following steps: the radar detector acquires distance information between the host vehicle and a rear target vehicle and speed information of the rear target vehicle, and transmits acquired data to the first controller in real time; the vehicle body controller transmits the current door state information of the main vehicle to the first controller in real time; the first controller outputs a corresponding control signal to the ambience lamp to change an operating state of the ambience lamp based on the received distance information between the host vehicle and the rear target vehicle, the velocity information of the rear target vehicle, and the door state information of the host vehicle. Compared with the prior art, the invention can correspondingly control the working state of the atmosphere lamp in different scenes, thereby directly, effectively and reliably playing the role of door opening warning for users.)

1. The utility model provides an automobile atmosphere lamp control system for warning opens door, a serial communication port, including installing in atmosphere lamp (1) of car A post position, atmosphere lamp (1) is connected to first controller (2), first controller (2) are connected with radar detection ware (3), automobile body controller (4) respectively, radar detection ware (3) are used for acquireing the distance information of vehicle and rear vehicle and the speed information of rear vehicle, automobile body controller (4) are used for acquireing door state information, data information that first controller (2) acquireed according to radar detection ware (3) and automobile body controller (4) to the output corresponds control signal and gives atmosphere lamp (1).

2. An automotive ambiance lamp control system for door open warning according to claim 1, characterized in that the radar detectors (3) are mounted on the left and right rear-view mirror positions of the vehicle and on both sides of the rear of the vehicle.

3. An automotive mood light control system for door opening warning according to claim 1, characterized in that the first controller (2) is provided with a processor (201) and a comparator (202), the processor (201) being configured to calculate TTC, and the comparator (202) being configured to compare the TTC calculated by the processor (201) with a preset threshold value.

4. An automotive ambiance light control system for door open warnings as claimed in claim 3, wherein an input of said processor (201) is connected to the radar detector (3) and an output of said processor (201) is connected to the comparator (202).

5. An automobile atmosphere lamp door opening warning control method applying the automobile atmosphere lamp control system according to claim 1, which is automatically started to be executed when a main vehicle stops, and is characterized by comprising the following steps of:

s1, the radar detector acquires distance information between the host vehicle and a rear target vehicle and speed information of the rear target vehicle, and transmits acquired data to the first controller in real time;

s2, the vehicle body controller transmits the current door state information of the main vehicle to the first controller in real time;

and S3, outputting a corresponding control signal to the atmosphere lamp according to the received distance information between the host vehicle and the rear target vehicle, the speed information of the rear target vehicle and the door state information of the host vehicle to change the working state of the atmosphere lamp.

6. The method for controlling an atmosphere lamp of an automobile to open a door according to claim 5, wherein the step S3 specifically comprises the following steps:

s31, judging whether the currently received distance information is smaller than the previously received distance information or not according to the received distance information between the main vehicle and the rear target vehicle, if so, executing a step S32, otherwise, continuously receiving the data information output by the radar detector in real time;

and S32, outputting a corresponding control signal to the atmosphere lamp by calculating corresponding TTC according to the door state information of the current host vehicle, the distance information between the host vehicle and the rear target vehicle and the speed information of the rear target vehicle, so as to change the working state of the atmosphere lamp.

7. The method as claimed in claim 6, wherein the door status information includes a door open status and a door lock status.

8. The method for controlling an automotive atmosphere lamp door opening warning as claimed in claim 7, wherein the step S32 specifically includes the following steps:

s321, if the door of the main vehicle is in a closed state, executing step S322, and if the door of the main vehicle is in an open state, executing step S324;

s322, if the main vehicle door is in a locked state, executing a step S323, and if the main vehicle door is in an unlocked state, executing a step S324;

s323, according to the received distance information between the host vehicle and the rear target vehicle and the speed information of the rear target vehicle, calculating corresponding TTC, and comparing the calculated TTC value with a preset threshold value to output a corresponding control signal to the atmosphere lamp;

and S324, outputting a lighting flicker control signal to the atmosphere lamp by the first controller to enable the atmosphere lamp to be lighted and flicker.

9. The method for controlling an atmosphere lamp of an automobile to open a door according to claim 8, wherein the step S323 specifically comprises the steps of:

s3231, calculating corresponding TTC according to the received distance information between the host vehicle and the rear target vehicle and the speed information of the rear target vehicle;

s3232, if the calculated TTC value is smaller than a preset threshold value, outputting a lighting flicker control signal to the atmosphere lamp to light and flicker the atmosphere lamp;

otherwise, the control signal is not output to the atmosphere lamp, so that the atmosphere lamp maintains the current working state.

10. The method for controlling an atmosphere lamp of an automobile to open a door according to any one of claims 8 to 9, wherein the preset threshold is 3 s.

Technical Field

The invention relates to the technical field of vehicle safety intelligent control, in particular to an automobile atmosphere lamp control system and method for door opening warning.

Background

According to the rule of traffic regulations, the front vehicle is required to be confirmed before driving the door, and the rear vehicle or the pedestrian can drive the door, at present, after the vehicle is parked, if vehicle personnel need to drive the door to get off the vehicle, the traditional method usually needs to repeatedly confirm the situation of the rear vehicle from a rearview mirror or turn back, after safety is confirmed, a seam is opened to the door to prompt the rear pedestrian or the non-motor vehicle, then safety needs to be confirmed again, the door is opened to get off the vehicle, and the situation that the vehicle comes from the rear needs to be noticed, so that the whole process is complicated. Therefore, the prior art mostly adopts the mode of installing the step lamp on the door plaque, when the door is opened, lights the step lamp automatically to play the warning purpose, but this kind of mode only can indirectly play the warning effect actually, can not remind personnel in the car risk of opening the door directly reliably, is difficult to really ensure vehicle safety.

Disclosure of Invention

The present invention aims to overcome the above-mentioned drawbacks of the prior art and provide a control system and method for an atmosphere lamp of an automobile, which can directly and reliably warn a user of opening a door by correspondingly controlling the working state of the atmosphere lamp in different scenes.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an automobile atmosphere lamp control system for warning opens door, is including installing in the atmosphere lamp of car A post position, the atmosphere lamp is connected to first controller, first controller is connected with radar detection ware, automobile body controller respectively, radar detection ware is used for acquireing the distance information of vehicle and rear vehicle and the speed information of rear vehicle, the automobile body controller is used for acquireing door state information, data information that first controller acquireed according to radar detection ware and automobile body controller to the output corresponds control signal and gives the atmosphere lamp.

Further, the radar detector is installed at the left and right rear-view mirror positions of the vehicle and at both sides of the rear of the vehicle.

Further, the first controller is provided with a processor and a comparator, the processor is used for calculating the TTC (Time-To-Collision Time), and the comparator is used for comparing the TTC calculated by the processor with a preset threshold value.

Further, the input end of the processor is connected with the radar detector, and the output end of the processor is connected with the comparator.

An automobile atmosphere lamp control method for door opening warning is automatically started to be executed when a main vehicle stops, and comprises the following steps:

s1, the radar detector acquires distance information between the host vehicle and a rear target vehicle and speed information of the rear target vehicle, and transmits acquired data to the first controller in real time;

s2, the vehicle body controller transmits the current door state information of the main vehicle to the first controller in real time;

and S3, outputting a corresponding control signal to the atmosphere lamp according to the received distance information between the host vehicle and the rear target vehicle, the speed information of the rear target vehicle and the door state information of the host vehicle to change the working state of the atmosphere lamp.

Further, the step S3 specifically includes the following steps:

s31, judging whether the currently received distance information is smaller than the previously received distance information or not according to the received distance information between the main vehicle and the rear target vehicle, if so, executing a step S32, otherwise, continuously receiving the data information output by the radar detector in real time;

and S32, outputting a corresponding control signal to the atmosphere lamp by calculating corresponding TTC according to the door state information of the current host vehicle, the distance information between the host vehicle and the rear target vehicle and the speed information of the rear target vehicle, so as to change the working state of the atmosphere lamp.

Further, the door state information includes a door open state and a door locked state.

Further, the step S32 specifically includes the following steps:

s321, if the door of the main vehicle is in a closed state, executing step S322, and if the door of the main vehicle is in an open state, executing step S324;

s322, if the main vehicle door is in a locked state, executing a step S323, and if the main vehicle door is in an unlocked state, executing a step S324;

s323, according to the received distance information between the host vehicle and the rear target vehicle and the speed information of the rear target vehicle, calculating corresponding TTC, and comparing the calculated TTC value with a preset threshold value to output a corresponding control signal to the atmosphere lamp;

and S324, outputting a lighting flicker control signal to the atmosphere lamp by the first controller to enable the atmosphere lamp to be lighted and flicker.

Further, the step S323 specifically includes the following steps:

s3231, calculating corresponding TTC according to the received distance information between the host vehicle and the rear target vehicle and the speed information of the rear target vehicle;

s3232, if the calculated TTC value is smaller than a preset threshold value, outputting a lighting flicker control signal to the atmosphere lamp to light and flicker the atmosphere lamp;

otherwise, the control signal is not output to the atmosphere lamp, so that the atmosphere lamp maintains the current working state.

Further, the preset threshold is 3 s.

Compared with the prior art, the invention has the following advantages:

the first controller is used for outputting corresponding control signals to the atmosphere lamp according to data information obtained by the radar detector and the vehicle body controller, so that peripheral moving objects are detected through the radar detector, when a triggering condition is met, the first controller controls the atmosphere lamp at the position of the A column in the vehicle to be lightened and flash, and a user can directly sense the risk of opening the door and avoid the risk in advance.

After receiving the distance information between the host vehicle and the rear target vehicle and the speed information of the rear target vehicle, the first controller firstly judges whether the currently received distance information is smaller than the previously received distance information to determine whether an effective target vehicle which is continuously close to the rear of the host vehicle exists, and then correspondingly controls the working state of the atmosphere lamp by combining the door state of the host vehicle, calculating TTC and comparing the calculated TTC value with a preset threshold value, so that the reliable control of the atmosphere lamp under different scenes can be realized, and the door opening warning effect can be effectively and reliably realized.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic flow diagram of the process of the present invention;

FIG. 3 is a schematic view of a parallel parking scene in an embodiment in a state where doors are closed;

FIG. 4 is a schematic view of an inclined parking scene in an embodiment in a state that a door is closed;

FIG. 5 is a schematic view of a circular parking scene in the closed state of the doors in the embodiment;

FIG. 6 is a schematic view of a parallel parking scene in an unlocked or opened state of the doors of the embodiment;

FIG. 7 is a schematic view of a parallel parking scene in an unlocked or opened state of the doors of the embodiment;

the notation in the figure is: 1. atmosphere lamp, 2, first controller, 3, radar detector, 4, automobile body controller, 201, processor, 202, comparator.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.

Examples

As shown in fig. 1, an automobile atmosphere lamp control system for door opening warning includes an atmosphere lamp 1 installed at an a-pillar position of an automobile, the atmosphere lamp 1 is connected to a first controller 2, the first controller 2 is respectively connected with a radar detector 3 and an automobile body controller 4, wherein the radar detector 3 is used for obtaining distance information between the automobile and a rear vehicle and speed information of the rear vehicle, the automobile body controller 4 is used for obtaining automobile door state information, and the first controller 2 outputs a corresponding control signal to the atmosphere lamp 1 according to data information obtained by the radar detector 3 and the automobile body controller 4.

In this embodiment, the radar detector 3 is installed at left and right rearview mirror positions and two sides of a vehicle tail of the vehicle, the first controller 2 is provided with a processor 201 and a comparator 202, the processor 201 is used for calculating TTC, the comparator 202 is used for comparing the TTC calculated by the processor 201 with a preset threshold value, an input end of the processor 201 is connected with the radar detector 3, and an output end of the processor 201 is connected with the comparator 202.

The above system is applied to practice to automatically start implementing a control method of an automotive ambience light for door opening warning when a host vehicle stops, as shown in fig. 2, comprising the following steps:

s1, the radar detector acquires distance information between the host vehicle and a rear target vehicle and speed information of the rear target vehicle, and transmits acquired data to the first controller in real time;

s2, the vehicle body controller transmits the current door state information of the main vehicle to the first controller in real time;

s3, according to the received distance information between the host vehicle and the rear target vehicle, the speed information of the rear target vehicle and the door state information of the host vehicle, the first controller outputs a corresponding control signal to the ambience lamp to change the operating state of the ambience lamp, specifically:

s31, judging whether the currently received distance information is smaller than the previously received distance information or not according to the received distance information between the main vehicle and the rear target vehicle, if so, executing a step S32, otherwise, continuously receiving the data information output by the radar detector in real time;

and S32, according to the door state information (including the door opening state and the door locking state) of the current host vehicle, the distance information between the host vehicle and the rear target vehicle and the speed information of the rear target vehicle, calculating corresponding TTCs to output corresponding control signals to the atmosphere lamp, so as to change the working state of the atmosphere lamp:

if the door of the host vehicle is in a closed state, continuously judging whether the door is locked, if the door of the host vehicle is in a locked state, calculating corresponding TTC according to the received distance information between the host vehicle and a rear target vehicle and the speed information of the rear target vehicle, and comparing the calculated TTC value with a preset threshold value to output a corresponding control signal to the atmosphere lamp;

if the vehicle door is in an unlocked state, the first controller directly outputs a lighting and flickering control signal to the atmosphere lamp to enable the atmosphere lamp to be lighted and flicker;

if the door of the host vehicle is in an open state, the first controller directly outputs a lighting and flickering control signal to the atmosphere lamp to light and flicker the atmosphere lamp.

If the calculated TTC value is smaller than a preset threshold value, outputting a lighting flicker control signal to the atmosphere lamp to light and flicker the atmosphere lamp; otherwise, the control signal is not output to the atmosphere lamp, so that the atmosphere lamp maintains the current working state. In this embodiment, the preset threshold is 3 s.

In practical applications, if the user does not need to automatically execute the door opening warning control process when the vehicle stops, the door opening warning control can be set to a manual opening/closing mode. In addition, the color and the flicker frequency of the atmosphere lamp can be correspondingly set, the lighting flicker of the atmosphere lamp is controlled by the first controller, and similarly, when the vehicle body controller gives signal data of closing the vehicle door state to the first controller again, the lighting flicker of the atmosphere lamp is correspondingly controlled to stop. When the first-level door opening warning function is realized, as shown in fig. 3 to 5, the vehicle S is a parked host vehicle, the vehicle O is a rear target vehicle, and when the door of the vehicle S is closed, a main event flow is as follows:

1. the effective target approaches from the rear;

2. detecting a target and TTC <3s, and giving an atmosphere lamp warning to a driver by the corresponding side;

3. the system enters a primary alarm state.

As shown in fig. 3, event stream 1 may be selected:

1. the target vehicle approaches from the rear and is close to the lane of the vehicle;

2. the main vehicle is still at a parallel parking spot;

3. the target vehicle approaches before the door is opened, and TTC <3 s;

4. DOW alerts the driver through the mood light on the respective side.

As shown in fig. 4, event stream 2 may be selected:

1. the target vehicle approaches from the rear and is close to the lane of the vehicle;

2. the main vehicle is stationary at an inclined parking spot;

3. the target vehicle approaches before the door is opened, and TTC <3 s;

4. DOW alerts the driver through the mood light on the respective side.

As shown in fig. 5, event stream 3 may be selected:

1. the target vehicle approaches from the rear and is close to the lane of the vehicle;

2. the main vehicle is stationary at a circular parking spot;

3. the target vehicle approaches before the door is opened, and TTC <3 s;

4. DOW alerts the driver through the mood light on the respective side.

When the second-level door opening warning function is realized, as shown in fig. 6 to 7, when the door of the vehicle S is opened or the door is not locked, the main event flow is as follows:

1. the effective target approaches from the rear;

2. the target is detected and TTC <3s, the driver is given a visual warning by the corresponding side;

3. the driver opens the door, and the corresponding side atmosphere lamp gives an alarm to warn the driver;

4. the system enters a secondary alarm state;

5. and (6) ending.

As shown in fig. 6, event stream 1 may be selected:

1. the effective target approaches from the rear;

2. the target is detected and TTC <3s, the driver is given a visual warning by the corresponding side;

3. the driver opens the door, and the corresponding side atmosphere lamp gives an alarm to warn the driver;

4. the system enters a secondary alarm state;

5. and (6) ending.

As shown in fig. 7, event stream 2 may be selected:

1. the effective target approaches from the rear;

2. passengers get off the vehicle after opening the door;

3. when the target is detected and TTC is less than 3s, the atmosphere lamp on the corresponding side gives an alarm to warn the driver;

4. the system enters a secondary alarm state;

5. and (6) ending.

Optional event stream 3:

1. passengers open the doors and get off the vehicle, and lock the doors;

2. the passenger returns and unlocks;

3. the effective target approaches from the rear;

4. detecting a target and TTC <3s, and giving an atmosphere lamp warning to a driver by the corresponding side;

5. passengers arrive at the vehicle door and open the door;

6. DOW detects a target vehicle and gives an atmosphere lamp alarm to a driver;

7. and (6) ending.

Optional event stream 4:

the inclined parking and the circular parking are similar to the parallel parking example.

In summary, the invention provides the event flow of door opening warning and the action logic of the atmosphere lamp in different scenes of the door opening warning, can provide new visual warning reminding for users, and can play a role in effectively and reliably warning the door opening in different scenes.