CN218785965U

CN218785965U - Lighting source of automatic driving vehicle

Info

Publication number: CN218785965U
Application number: CN202222657569.8U
Authority: CN
Inventors: 高永强; 王猛; 岳树坤; 石秉良; 李永军; 仓艳
Original assignee: Pla 63936 Army; FAW Jiefang Automotive Co Ltd
Current assignee: Pla 63936 Army; FAW Jiefang Automotive Co Ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-04-04
Anticipated expiration: 2032-10-10

Abstract

The utility model provides an automatic drive lighting source of vehicle, include: the main control unit is used for receiving a control instruction of the vehicle, wherein when the lighting condition around the vehicle is lower than a preset brightness threshold value, the main control unit is configured to issue the control instruction for turning on the LED lighting unit; the LED lighting units are arranged on the periphery of the vehicle and are in communication connection with the main control unit through the signal communication unit, wherein the communication connection is used for the main control unit to control the working state of the LED lighting units and monitor the brightness of the periphery of the vehicle correspondingly. The utility model provides an automatic driving vehicle's light source can guarantee that automatic driving vehicle perception system has suitable work lighting environment to compatible higher, development cycle is shorter.

Description

Lighting source of automatic driving vehicle

Technical Field

The utility model relates to an automatic drive car technical field especially relates to an automatic light source of driving vehicle.

Background

With the continuous development of automobile electronic technology, automobiles gradually get rid of traditional automobile architectures and develop towards the direction of electromotion and intellectualization. The automatic driving vehicle needs to identify ground marks, marked lines or ground states in the application process, particularly, the off-road vehicle needs to identify the road surface in real time through a vision sensor, and the brightness condition of the bottom of the vehicle is poor or under the condition of extreme weather, so that the vision perception difficulty is greatly increased, and the external perception of the automatic driving control of the vehicle and the driving safety are influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that can be at vehicle autopilot in-process, under the not enough condition of illumination all around, can realize that light is automatic to be opened and provide light source support for the vision perception, provide an illumination source of autopilot vehicle.

The utility model discloses a technical scheme be, an automatic lighting source of driving vehicle, include:

the system comprises a main control unit, a control unit and a control unit, wherein the main control unit is used for receiving a control instruction of the vehicle, and when the lighting condition around the vehicle is lower than a preset brightness threshold value, the main control unit is configured to issue the control instruction for turning on an LED lighting unit;

the LED lighting units are arranged on the periphery of the vehicle and are in communication connection with the main control unit through the signal communication unit, wherein the communication connection is used for the main control unit to control the working state of the LED lighting units.

In one embodiment, the master unit includes a TC297 chip.

In one embodiment, further comprising:

and the power supply management unit is respectively connected with the main control unit and the LED illumination unit.

In one embodiment, the power management unit includes a PMU power management chip.

In one embodiment, the signal communication unit includes a CAN communication protocol.

In one embodiment, the master unit is further configured to: the main control unit is configured to issue a control instruction for turning on the LED lighting unit when the lighting condition is lower than a preset brightness threshold value in response to the acquisition of the lighting condition around the vehicle by the camera unit of the vehicle.

Another aspect of the application also provides a vehicle comprising an illumination source of an autonomous vehicle as described in any of the above.

Adopt above-mentioned technical scheme, the utility model discloses at least, following advantage has:

1) Automatic lighting source of driving vehicle, can guarantee that automatic driving vehicle perception system has suitable work lighting environment.

2) The utility model provides an automatic lighting source of driving vehicle, compatible higher, development cycle is shorter.

Drawings

Fig. 1 is a schematic view of an illumination light source structure of an autonomous vehicle according to an embodiment of the present invention.

Reference numerals are as follows:

the system comprises a main control unit 1, an LED lighting unit 2, a signal communication unit 3 and a power management unit 4.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.

The utility model discloses a first embodiment, an automatic lighting source of driving vehicle, as shown in FIG. 1, include:

the main control unit 1 is used for receiving a control instruction of the vehicle, wherein when the lighting condition around the vehicle is lower than a preset brightness threshold value, the main control unit 1 is configured to issue the control instruction for turning on the LED lighting unit 2;

the LED lighting units 2 are arranged on the periphery of the vehicle and used for lighting, and are in communication connection with the main control unit 1 through the signal communication unit 3, wherein the communication connection is used for the main control unit 1 to control the working state of the LED lighting units 2.

Exemplarily, the main control unit 1 may be a TC297 chip.

In this embodiment, the illumination light source of the autonomous vehicle may further include: and a power management unit 4 connected to the main control unit 1 and the LED lighting unit 2, respectively.

Illustratively, the power management unit 4 may be a PMU power management chip.

The signal communication unit 3 may, for example, be a CAN communication protocol.

In this embodiment, the main control unit 1 may perform real-time monitoring on the lighting conditions around the vehicle through the input of the external camera unit, and further, the camera unit may be a camera, and the camera may be arranged around the vehicle or at any position where there is a monitoring requirement according to the actual condition, which is not limited herein.

In some possible embodiments, the main control unit 1 may send an instruction to the LED lighting unit 2 of the corresponding area when the camera unit monitors that the brightness of the area around the vehicle is lower than a brightness threshold value configured in the main control unit 1 in advance, and in response to the instruction, the corresponding LED lighting unit 2 lights the area with the brightness lower than the brightness threshold value.

It can be understood that the main control unit 1 may receive a control instruction of the vehicle, that is, when the camera unit obtains the lighting condition around the vehicle, any other possible control component or manual operation may directly input the control instruction for turning on a certain LED lighting unit 2 to the main control unit 1, and in response to the control instruction, the main control unit 1 may directly turn on the corresponding LED lighting unit 2. Or the purpose of controlling the LED lighting unit 2 can be further achieved through the main control unit 1 manually. For example, different automatic driving algorithms may be implanted, and the different automatic driving algorithms may display different patterns in the main control unit 1, so that a user can intuitively know the driving state of the current automatic driving vehicle.

Further, the main control unit 1 may also implement warning when the autonomous vehicle has a fault through a pre-configured fault detection and warning device. The failure may include, for example, a case where hardware in the LED lighting unit 2, the signal communication unit 3, the power management unit 4 is damaged, or the like.

Compared with the prior art, the embodiment has at least the following advantages:

1) The illumination light source of the automatic driving vehicle can ensure that the automatic driving vehicle sensing system has a proper working illumination environment.

2) The illumination light source of the automatic driving vehicle provided by the embodiment has higher compatibility and shorter development period.

The second embodiment of the present invention is based on the above embodiments, and is described with reference to fig. 1 as an application example of the present invention.

The utility model relates to an automatic drive cross country vehicle intelligence illumination light source can fall into overall structure into peripheral lighting part and controller two parts at design layout in-process.

In this embodiment, the peripheral illumination portion may include the LED illumination unit 2, and exemplarily, may include a plurality of LED lamps arranged around the vehicle, and the specific position may be adjusted according to actual situations.

In some possible embodiments, camera units for acquiring light signals and quantizing the light signals into brightness may be further arranged around the vehicle, and after the main control unit 1 acquires brightness condition information around the vehicle through the camera units, the corresponding LED lamps may be controlled to adjust the brightness according to the brightness requirement.

In this embodiment, the controller portion includes a TC297 chip manufactured by the infill corporation as the main control unit 1. The chip meets the vehicle specification-level standard, has rich interface resources, is convenient to use, and can be debugged through the JTAG.

In this embodiment, the power management unit 4 is designed by using a vehicle-standard english-flying power management chip TLE6368-G2, which is a multi-voltage power supply system and is specially designed for automobile applications. The 24V input power supply is a vehicle-mounted power supply, and CAN output various specifications of power supplies for a hardware circuit board to use, wherein the power supplies comprise a conversion chip, a CAN bus transceiver, an LDO power supply chip and a DSP chip. Compared with the traditional LDO chip, the integration level is higher, the efficiency of a complex power supply system is higher, fault information communication can be carried out through the SPI and the DSP, and the DSP reads the error reason.

In this embodiment, the signal communication unit 3 is designed by using a high-speed CAN transceiver TJA1051T/3, and different CAN lines contain corresponding information, mainly including information of a diagnostic apparatus, control information, alarm information, and the like.

The third embodiment of the present invention is a vehicle including the illumination light source of the autonomous driving vehicle according to the first or second embodiment.

In summary, compared to the prior art, the present embodiment has at least the following advantages:

1) Automatic drive vehicle's lighting source, can guarantee that automatic drive vehicle perception system has suitable work lighting environment.

While the present invention has been described in connection with the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. An illumination light source for an autonomous vehicle, comprising:

the main control unit is used for receiving a control instruction of the vehicle, wherein when the lighting condition around the vehicle is lower than a preset brightness threshold value, the main control unit is configured to issue the control instruction for turning on the LED lighting unit;

2. The autonomous-vehicle illumination light source of claim 1, wherein the main control unit comprises a TC297 chip.

3. The illumination light source for an autonomous vehicle according to claim 1, characterized by further comprising:

4. The autonomous-vehicle lighting source of claim 3, wherein the power management unit includes a PMU power management chip.

5. The autonomous-vehicle illumination light source of claim 1, wherein the signal communication unit comprises a CAN communication protocol.

6. The autonomous-vehicle illumination light source of claim 1, wherein the master control unit is further configured to: the main control unit is configured to issue a control instruction for turning on the LED lighting unit when the lighting condition is lower than a preset brightness threshold value in response to the acquisition of the lighting condition around the vehicle by the camera unit of the vehicle.

7. A vehicle characterized by comprising an illumination light source of an autonomous vehicle as recited in any one of claims 1 to 6.