CN211918513U - Special vehicle-mounted lighting system for special vehicle - Google Patents

Abstract

A special vehicle-mounted lighting system for special vehicles comprises a vehicle-mounted camera, an intelligent LED headlamp, a dimming LED ceiling lamp and a lighting controller, wherein the lighting controller is used for reading image information of the vehicle-mounted camera and intelligently controlling the intelligent LED headlamp and the dimming LED ceiling lamp; the intelligent LED headlamp comprises a dipped beam module and a high beam module used for realizing vehicle high beam avoidance and pedestrian flicker warning, and the dimming LED ceiling lamp comprises an LED lamp source used for realizing color temperature and brightness adjustment. The system has reasonable design and various functions, and not only can improve the active safety of the vehicle in road running through the arrangement of the intelligent LED headlamp and the dimming LED ceiling lamp, but also can improve the vision and the physiological comfort of drivers and passengers.

Description

Special vehicle-mounted lighting system for special vehicle

Technical Field

The utility model relates to an automobile-used semiconductor lighting technology field, especially a special vehicle-mounted lighting system of special type vehicle.

Background

The automobile lighting system is one of the necessary systems for the safe running of the automobile, mainly comprises an external lighting system and an internal lighting system, and is respectively used for the external lighting and the internal lighting.

At present, most of domestic vehicle lighting systems generally have the problems of single function and poor controllability, the headlamps outside the vehicle only have a simple high beam function and a low beam function, and the illumination lamps inside the vehicle only have an illumination function with single light color, so that the actual use requirements of drivers cannot be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a reasonable in design, the function is various, can improve the special vehicle-mounted lighting system of special vehicle of the initiative security of vehicle in the road goes.

The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a special vehicle-mounted lighting system for special vehicles, which comprises a vehicle-mounted camera, an intelligent LED headlamp, a dimming LED ceiling lamp and a lighting controller, wherein the lighting controller is used for reading the image information of the vehicle-mounted camera to intelligently control the intelligent LED headlamp and the dimming LED ceiling lamp; the intelligent LED headlamp comprises a dipped beam module and a high beam module used for realizing vehicle high beam avoidance and pedestrian flicker warning, and the dimming LED ceiling lamp comprises a white LED lamp source used for realizing color temperature and brightness adjustment and a concealed red LED lamp source.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above special vehicle-mounted lighting system of special type vehicle, intelligence LED head-light still including the mounting panel of being convenient for short-distance beam module and distance beam module installation, still install on the mounting panel with short-distance beam module and distance beam module complex combination lamp shade.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above special vehicle-mounted lighting system of special type vehicle, the distance light module includes 5 groups of lamp sources that set up side by side, and the lamp pearl in 5 groups of lamp sources all is the matrix and distributes.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above special vehicle-mounted lighting system of special type vehicle, the LED ceiling light of adjusting luminance includes casing down and installs the last casing on the casing down, goes up the casing and is formed with the installation cavity that is convenient for white light LED lamp source and ruddiness LED lamp source installation down between the casing, still installs face guard and display panel in the installation cavity, goes up to install the switch that is used for the manual switching of LED ceiling light of adjusting luminance on the casing.

The technical problem to be solved by the present invention can be further solved by the following technical solution, wherein for the above special vehicle-mounted lighting system for special vehicles, the white light LED light source comprises an LED light source with a color temperature of 2000K and an LED light source with a color temperature of 7000K; the red LED lamp source comprises a plurality of red LED lamp beads capable of emitting red light.

The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above special vehicle-mounted lighting system of special type vehicle, lighting controller includes the AI chip and the mounting box of the AI chip installation of being convenient for, installs the button of being convenient for operate and the screen of the information display of being convenient for on the mounting box.

The technical problem to be solved by the present invention can be further solved by the following technical solution, wherein 2 intelligent LED headlamps are provided for the above special vehicle-mounted lighting system for special vehicle, and are respectively installed on the left side and the right side of the vehicle head; dimming LED ceiling light is provided with 6, and 6 dimming LED ceiling lights divide into 3 rows for install on the inner wall of vehicle roof.

Compared with the prior art, the special vehicle-mounted light system for the special vehicle is mainly used for special military vehicles with closed vehicle bodies, the system consists of a vehicle-mounted camera, a lighting controller, an intelligent LED headlamp and a dimming LED ceiling lamp, the lighting controller is a core part of the system, the part is mainly responsible for reading image information of the camera and intelligently controlling the intelligent LED headlamp and the dimming LED ceiling lamp, the intelligent LED headlamp has a far-near light function and a far-light avoiding function and a pedestrian flickering warning function, and can be used for improving the active safety of the vehicle in road driving; the dimming LED ceiling lamp has a color temperature continuous adjustment lighting mode, a standard lighting mode and a red light lighting mode, and in a vehicle with a closed vehicle body, the multiple lighting modes of the ceiling lamp can improve the visual and physiological comfort of drivers and passengers, and can be switched to the red light hiding mode at once in an emergency state. The system has reasonable design and various functions, and not only can improve the active safety of the vehicle in road running through the arrangement of the intelligent LED headlamp and the dimming LED ceiling lamp, but also can improve the vision and the physiological comfort of drivers and passengers.

Drawings

Fig. 1 is a block diagram of the system structure of the present invention;

fig. 2 is a first installation diagram of the present invention;

fig. 3 is a second schematic view of the installation of the present invention;

FIG. 4 is a schematic diagram of the convolution operation of the present invention;

FIG. 5 is a diagram of a target detection framework of the present invention;

fig. 6 is a schematic structural view of the intelligent LED headlamp of the present invention;

fig. 7 is a view of a refraction type optical light distribution system of the high beam module of the present invention;

fig. 8 is a schematic structural view of the high beam module of the present invention;

fig. 9 is a schematic diagram of a matrix display panel of the high beam module of the present invention;

fig. 10 is a first driving circuit diagram of the high beam module of the present invention;

fig. 11 is a second driving circuit diagram of the high beam module of the present invention;

FIG. 12 is a graph showing the color temperature and brightness variation of natural light according to the present invention;

fig. 13 is a schematic structural view of the dimming LED ceiling lamp of the present invention;

fig. 14 is a schematic structural diagram of the lighting controller of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-14, a special vehicle-mounted lighting system for special vehicles, which is mainly used for special military vehicles with enclosed bodies, and consists of a vehicle-mounted camera 2, a lighting controller 1, an intelligent LED headlamp 3 and a dimming LED ceiling lamp 4; the lighting controller 1 in the system is a core component of the system, and the component is mainly responsible for reading image information of a camera and intelligently managing and controlling the intelligent LED headlamp 3 and the dimming LED ceiling lamp 4; the intelligent LED headlamp 3 in the system has a high beam avoiding function and a pedestrian flickering warning function besides a high beam and a low beam, and is mainly used for improving the active safety of vehicles in road driving; the dimming LED ceiling lamp 4 in the system has a color temperature continuous adjustment illumination mode, a standard illumination mode and a red illumination mode; in a vehicle with a closed vehicle body, the visual and physiological comfort of drivers and passengers can be improved by various lighting modes of the ceiling lamp, and meanwhile, the ceiling lamp can be switched to a red light hiding mode in an emergency state.

The specific technical scheme of the application is as follows:

1. image recognition technology of vehicle-mounted camera 2

The system needs to collect and identify images of vehicles and pedestrians on a road through the vehicle-mounted camera 2, and needs to collect information such as target width, target height, relative distance, relative speed and relative lateral distance of the pedestrians and the vehicles and transmit the information to the lighting controller 1 through the CAN interface.

2. Development environment

The deep learning-based vehicle and pedestrian detection algorithm can realize real-time processing only by relying on a powerful AI chip, the project plan adopts a core AI chip as Jetson TX2, the chip is an AI single-module core based on NVIDIA Pascal (TM) architecture, and is provided with a 6-core CPU and a 256CUDA core, hardware decoding such as H.265/H.264 is supported, and hardware acceleration can be provided for video decoding, preprocessing and target detection.

3. Algorithm implementation

The technology mainly identifies vehicles and pedestrians on the road based on a deep neural network algorithm, and judges the driving speeds and relative positions of the vehicles and the pedestrians; aiming at the practical problems of easy confusion of target categories, insufficient recognition model capability and the like faced by pedestrian and vehicle recognition in a vehicle running environment, the recognition frameworks of pedestrians and vehicles are respectively established, key technologies such as multi-example target candidate region selection, target detection based on a deep neural network, multi-target tracking with a target online self-learning function and the like involved in the pedestrian and vehicle recognition process are mainly realized, and a core algorithm of the technology is based on a five-layer neural network structure:

3.1 data input layer

The layer is mainly used for preprocessing original image data, and comprises the following steps:

3.1.1, mean value removal: centralizing each dimension of the input data into 0, wherein the purpose is to pull the center of the sample back to the origin of the coordinate system;

3.1.2, normalization: the amplitude is normalized to the same range, namely, the interference caused by the difference of the value ranges of the data of each dimension is reduced, for example, the two-dimension characteristics A and B exist, the range of A is 0 to 10, the range of B is 0 to 10000, if the two characteristics are directly used, the problem is solved, the method is good, namely, the data of A and B are normalized to be in the range of 0 to 1;

3.1.3, PCA/whitening: reducing the dimension by PCA; whitening is the amplitude normalization on each characteristic axis of the data;

3.2 convolution calculation layer

The layer is the most important layer of the convolutional neural network and is also the name source of the convolutional neural network;

in this convolutional layer, there are two key operations: locally associated, each neuron sees as a filter; sliding a window (reliable field), and calculating local data by a filter; first, a few terms encountered with convolutional layers are introduced: depth/depth, step/stride (length of window one sliding), fill value/zero-padding;

a parameter sharing mechanism, wherein the weight of each neuron connection data window in the convolutional layer is fixed, and each neuron only concerns one characteristic; the neurons are filters in image processing, such as Sobel filters dedicated to edge detection, that is, each filter of the convolutional layer has an image feature of interest, such as a vertical edge, a horizontal edge, a color, a texture, and the like, and all the neurons are added up to be a feature extractor set of the whole image;

3.3 excitation layer

Carrying out nonlinear mapping on the convolution layer output result; the excitation function adopted by CNN is generally ReLU (The Rectified Linear Unit/corrected Linear Unit), and it is characterized by fast convergence, simple gradient calculation, but weak;

3.4 layers of pooling

The pooling layer is sandwiched between successive convolutional layers for compressing the amount of data and parameters, reducing overfitting. In short, if the input is an image, then the most dominant role of the pooling layer is to compress the image. (ii) a

3.5 full connection layer

All neurons between the two layers are connected in a weighted way, and usually the full connection layer is arranged at the tail part of the convolutional neural network;

4. algorithm validation

The utility model applies MATLAB to simulate the identification of pedestrians and vehicles;

the simulation adopts a five-layer network, the first layer is the input of the network, and the CNN can independently learn the characteristics of the two-dimensional image, so that the original image is directly input as the network; setting convolution layers, and performing convolution on the convolution layers through filters with different sizes and applicable biases to obtain characteristic graphs; setting a network down-sampling layer, summing four pixels in each neighborhood, weighting a weight (convolution kernel element), adding bias, carrying out nonlinear processing on the left and the right through a sigmoid activation function, and finally identifying tasks and vehicles;

5. realization technology of high beam avoiding and flashing warning function of headlamp

5.1 technical overview

Because the vehicle-mounted camera 2 transmits the image information to the controller after recognizing the vehicle and the image information on the road, and the controller controls the intelligent LED headlamp 3 according to the image information to realize vehicle high beam avoidance and pedestrian flicker warning, the system needs to solve the light distribution technology of the intelligent LED headlamp 3.

5.2, detailed technical scheme

The functional units of the intelligent LED headlamp 3 in the system comprise a low beam module 33 and a high beam module 32; wherein the high beam avoiding function and the flashing warning function are realized by the high beam module 32.

The optical scheme of the high beam module 32 is based on the refraction optical principle, which is to place the light source at the focal point of the lens by using an aspheric lens or other lens, so that the quasi-parallel light beam is converted into a light type;

in order to realize the far-beam avoiding function, the display unit of the far-beam module 32 adopts a matrix light source arrangement scheme, the matrix arrangement divides all light sources into 5 areas, and the light sources in the 5 areas can be respectively controlled to be on and off, so that the far-beam avoiding function in the far-beam function is realized;

meanwhile, the module is driven by an LED constant current driving circuit with a domestic general high-brightness LED driving chip as a core, and the chip can be used for brightness adjustment and on-off control in a Pulse Width Modulation (PWM) mode; the scheme is that the pedestrian flickering warning function of the lamp is achieved by switching the LEDs at a certain frequency.

6. Light mixing technology for cabin lighting lamp

6.1 technical overview

The cabin roof lamp in this system can receive controller's control signal and realize that the colour temperature is from 2000K ~ 6500K, and luminance is from 0 ~ 100% continuously adjustable, and the cabin roof lamp still possesses ruddiness mode simultaneously, can open ruddiness hidden mode under emergency, consequently the utility model discloses need solve the mixed light technique of cabin roof lamp.

6.2, detailed technical scheme

The dimming cabin ceiling lamp is a key component for realizing the functions of the system, the dimming lamp is internally provided with LED light sources with two color temperatures of 2000K and 7000K, and the color temperature and any brightness of 2000K-6500K are adjusted by adopting a method for calculating the chromaticity according to the Committee for International illumination (CIE) and a Grassman color mixing law. The dimming lamp realizes color temperature and brightness adjustability by mainly adjusting the magnitude of a current value input into the LED light source module through the constant current driving circuit, and the current value is the only factor for controlling the light (chroma) and color (chroma) quantity of the color mixing light source.

The continuous color temperature adjustment of the dimming lamp is mainly simulated according to a natural light color and a brightness change diagram, and a cold and warm light source proportioning scheme shown in a table 1 is summarized according to a CIE (Committee for International illumination) chromaticity calculation method and a Grassman color mixing law;

TABLE 1

The dimming lamp realizes a continuous color temperature adjusting illumination mode according to the light distribution scheme of the table 1; when the dimming lamp exits the color temperature continuous adjustment lighting mode or the communication is interrupted, the dimming lamp enters a standard lighting mode with fixed color temperature (3600K) and fixed brightness (95%), and meanwhile, a client can manually adjust and store the user-defined lighting mode through the lighting sub-controller; in an emergency state, all dimming lamps can be directly switched to a red light hiding mode through the control platform.

7. Appearance structure

7. 1 structural design requirement

The utility model discloses mainly install on various military special type vehicles, because service environment is abominable, consequently, the appearance structure to lamps and lanterns provides higher requirement: firstly, the appearance of the lamp is small and compact so as to ensure the reliable vibration resistance of the lamp; secondly, the lamp cannot have obvious protruding parts so as to prevent the driver and passengers from being accidentally knocked and damaged; finally, the position of a control switch is obvious so as to facilitate the convenient operation and control of drivers and passengers;

7.2, detailed technical scheme

The utility model discloses a middle dimming LED ceiling lamp 4 adopts a circular flat appearance structure design, and comprises a lower shell 47 and an upper shell 42 arranged on the lower shell 47, wherein an installation cavity convenient for installing an LED lamp source is formed between the upper shell 42 and the lower shell 47, and a waterproof rubber ring 43 for sealing is also arranged between the upper shell 42 and the lower shell 47; a face shield 44, a driving plate 46 and a display plate 45 which are matched with the LED lamp source are further arranged in the mounting cavity, and a switch 41 for controlling the opening and closing of the LED lamp source is arranged on the upper shell 42;

the utility model discloses well lighting controller 1 adopts the design of rectangle outward appearance structure, including the mounting box of rectangle form, the mounting box includes epitheca 12 and backshell again, and screen 14 is installed at the top of mounting box, still pastes pad pasting 11 on the screen 14, installs main control board 15 and power module 16 with AI chip complex in the mounting box, installs keypad 13 on main control board 15, still installs the first socket 18 and the second socket 19 of being convenient for external circuit on backshell 17;

the LED headlamp of the utility model adopts a centralized structural form, which comprises a mounting plate 34 convenient for mounting a low beam module 33 and a high beam module 32, wherein the mounting plate 34 is screwed with a screw convenient for mounting; the mounting plate 34 is also provided with a combined lampshade 31 matched with the low beam module 33 and the high beam module 32; the high beam module 32 includes a matrix display panel 36 with LED beads 39, a base 37 and a high beam lampshade 38.

Claims (7)

1. The utility model provides a special on-vehicle light system of special type vehicle which characterized in that: the system comprises a vehicle-mounted camera, an intelligent LED headlamp, a dimming LED ceiling lamp and an illumination controller, wherein the illumination controller is used for reading image information of the vehicle-mounted camera to intelligently control the intelligent LED headlamp and the dimming LED ceiling lamp; the intelligent LED headlamp comprises a dipped beam module and a high beam module used for realizing vehicle high beam avoidance and pedestrian flicker warning, and the dimming LED ceiling lamp comprises a white LED lamp source used for realizing color temperature and brightness adjustment and a concealed red LED lamp source.

2. The special vehicle on-board light system of claim 1, wherein: intelligence LED head-light still including the mounting panel of being convenient for short-distance beam module and distance beam module installation, still install on the mounting panel with short-distance beam module and distance beam module complex combination lamp shade.

3. The special vehicle-specific on-board light system of claim 1 or 2, wherein: the high beam module includes 5 lamp sources that set up side by side of group, and the lamp pearl in 5 lamp sources of group all is the matrix and distributes.

4. The special vehicle on-board light system of claim 1, wherein: the dimming LED ceiling lamp comprises a lower shell and an upper shell mounted on the lower shell, a mounting cavity convenient for mounting a white LED lamp source and a red LED lamp source is formed between the upper shell and the lower shell, a face shield and a display panel are further mounted in the mounting cavity, and a switch used for manually switching on and off the dimming LED ceiling lamp is mounted on the upper shell.

5. The special vehicle-specific on-board light system of claim 1 or 4, wherein: the white light LED lamp source comprises an LED lamp source with the color temperature of 2000K and an LED lamp source with the color temperature of 7000K.

6. The special vehicle on-board light system of claim 1, wherein: the lighting controller comprises an AI chip and a mounting box convenient for the installation of the AI chip, and a button convenient for operation and a screen convenient for information display are installed on the mounting box.

7. The special vehicle on-board light system of claim 1, wherein: the intelligent LED headlamps are provided with 2 intelligent LED headlamps which are respectively used for being installed on the left side and the right side of the head of the vehicle; dimming LED ceiling light is provided with 6, and 6 dimming LED ceiling lights divide into 3 rows for install on the inner wall of vehicle roof.

Images