CN109703445A

CN109703445A - A kind of Internet of Things intelligent lighting system

Info

Publication number: CN109703445A
Application number: CN201811634617.3A
Authority: CN
Inventors: 刘振华; 刘泽宇
Original assignee: Changzhou Industrial Technology Research Institute of Zhejiang University
Current assignee: Changzhou Industrial Technology Research Institute of Zhejiang University
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-05-03

Abstract

The present invention provides a kind of Internet of Things intelligent lighting systems, comprising: master controller, CAN control device, at least one data acquisition sensing module, at least one LED illumination module, at least one direct current generator module, at least one camera unit, human-computer interface module and self-adaptive headlamp system.It is illuminated compared to orthodox car, the present invention acquires environmental variance by camera and sensor, is judged by master controller and is controlled, by the control for carrying out lighting system.Adaptive distance light control system based on LED light source uses more flexible LED module light source, by the control of branch or plurality of LEDs brightness realize a variety of light type adaptively switch in guarantee travel safety on the basis of improve the comfort of driving.

Description

A kind of Internet of Things intelligent lighting system

Technical field

The present invention relates to automobile electrical subdomains more particularly to a kind of Internet of Things intelligent lighting systems.

Background technique

The safety component one of indispensable as running car, car headlamp plays in terms of automobile active safety Vital effect.In the past 20 years, as the appearance of high-power white light-emitting diode, LED initially enter lighting area, draw The neck illumination revolution of a new round.LED equally becomes the new lover of car headlamp industry with its many advantage, and with it is adaptive The advanced headlamps technologies such as forward lighting systems (AFS) are combined into the trend of car headlamp.

In recent years, occur the full LED illumination System of matrix form dynamic and intelligent in the market, include 56 in this lighting system LED, each LED can light respectively, extinguish or adjust brightness.This lamps and lanterns has anti-opposed vehicle dazzling: LED is according to preceding radar Brightness movement is lighted, extinguished or adjusted with the data of stereo camera, realizes adjust automatically range of exposures, is guaranteed certainly While own sight, it is dazzling to avoid opponent vehicle.Get around front vehicles profile: when encountering the equidirectional driving vehicle in front, Front truck profile can be got around, while illuminating front truck left and right side region completely.Therefore driving at night when can always on high beam, Travel safety is substantially improved.Meet pedestrian's fast blink: intelligent head lamp can identify front pedestrian, with headlight fast speed flash automatically It is bright, to remind pedestrian to avert danger, it is unexpectedly possible to reduce night.Such full LED headlamp of matrix form dynamic and intelligent can be with Using serial or parallel connection driving structure.When using parallel-connection structure, difference of each LED in terms of electrical characteristic is to lighting system Performance has a significant impact, and in tandem drive, LED driver provides constant-current source, and short switch can close single led, makes Increase at energy consumption and heat dissipation problem is badly in need of solving.

Summary of the invention

The present invention is directed to the full LED illumination System existing issue of matrix form dynamic and intelligent, proposes a kind of Internet of Things wisdom photograph Bright system and its means of illumination trigger different sensors according to road conditions difference, different motors execute by wisdom circuit for regulating and controlling Device, both can intelligence adjusting lighting demand, in turn ensure automobile lighting system using illumination that is safe, while making automobile Energy consumption substantially reduces, and has great benefit to the use of new-energy automobile.The present invention solves technology used by its technical problem Scheme is illustrated using layer-by-layer progressive method；

A kind of Internet of Things intelligent lighting system, comprising: master controller, CAN control device, at least one data acquisition sensing mould Block, at least one LED illumination module, at least one direct current generator module, at least one camera unit, human-computer interface module and Self-adaptive headlamp system, the CAN control device is to the vehicle network, master controller, the data acquisition module, described Rapid communication between direct current generator module, the human-computer interface module and LED illumination module, guarantees the real-time response of system, The data acquisition sensing module includes at least a kind of sensor.

Further, the LED illumination module contains LED drive module and multiple lighting units composition, the LED illumination It is controlled between unit by parallel way.CAN control device feedback signal to the master controller, the master controller can be passed through All light, the multiple groups bright light control such as part is bright, part is bright can be carried out to LED illumination module according to the feedback signal, it can also root According to the feedback signal, the self-control of illumination is carried out according to vehicle driving road conditions；The illumination list of the LED illumination module Member further includes LED drive module and the dilute heat radiation module of integrated graphite.

Further, the direct current generator module contains motor-drive circuit and multiple linkage units composition, the multiple Linkage unit is controlled by the way of in parallel, equally can be by CAN control device feedback signal to the master controller, can basis The feedback signal carries out the multiple angles such as dynamic, part is moved, part is dynamic entirely to the LED illumination module and converts control；

Further, the camera unit can pass through CAN control device feedback signal to the main control according to traffic information Device, the master controller carry out the transformation control of illumination, angle according to the signal of the feedback signal to the LED illumination module System；

Further, the human-computer interface module is a touch-screen-enabled computer, including keyboard process module, OLED show mould Block, the keyboard process module is used to adjust OLED display module brightness and man-machine information is manually entered function, and the OLED is aobvious Show that module includes: protection panels, decorating film, OCA/OCR, TSP sensor, OLED polaroid, thin-film package (TFE), OLED hair Photosphere and plastic mat substrate, the TSP sensor are placed in the thin-film package (TFE) lower layer.

Preferably, the human-computer interface module further includes RFID tag sensor module, the people described in user's close contact When machine interface module, the RFID tag sensor module can be used, the RFID tag sensor module includes sensor list Member and RFID label tag unit two parts, aforementioned Unit two both can be combined physically, can also be physically isolated, The two realizes the effect of indoor or outdoors information collection and wireless transmission together；

Further, RFID label tag unit includes microprocessor and the power supply connecting respectively with microprocessor, RF chip, temperature Spend observation circuit, infrared inspecting circuit, sensor unit then can corresponding configuration infrared sensor and temperature sensor, these Sensor then connect the infrared information that will be monitored and temperature with temperature observation circuit, infrared inspecting circuit by the way of conventional Information is transferred to electronic tag.

Further, the human-computer interface module further includes GPRS module, bluetooth module, and the GPRS module is configured as Pass through the communication modes and users' mobile end communication connection of GPRS；The bluetooth module is configured as the communication modes by bluetooth With users' mobile end communication connection.

Preferably, the human-computer interface module further includes having gesture recognition module and speech recognition module；

The speech recognition module is user voice signal to be converted into corresponding text information, and feed back and arrive the main control Device carries out calculation process,

The speech recognition module includes voice signal filter module, framing pretreatment work module；

The voice signal filter module mainly includes characteristic extracting module, acoustic model module；

The framing pretreatment work module mainly includes language model module and dictionary and decoder module；

The characteristic extracting module extracts the signal to be analyzed from user's original signal, and voice signal is turned from time domain Frequency domain is changed to, provides suitable feature vector for the acoustic model module；The acoustic model module is further according to acoustic characteristic Calculate score of each feature vector on acoustic feature；The language model module is according to the relevant theory of linguistics, meter Calculate the probability of the corresponding possible phrase sequence of the voice signal；The dictionary and decoder module are finally according to existing dictionary, to word Group sequence is decoded, and obtains possible text representation to the end；

The gesture recognition module includes: gesture module, data acquisition and uploading module, coordinate system conversion module, host computer mould Block, gesture computing module；The gesture recognition module is run by each module of the main controller controls, receives the posture mould 3-axis acceleration, angular speed and the triaxial attitude angle obtained by attitude algorithm of block sensor acquisition, then pass through the number Data are transmitted to the upper computer module according to acquisition and uploading module, the gesture computing module carries out the interception of gesture data, Characteristic quantity by extracting motion gesture carries out gesture classification, and the gesture recognition module uses infrared Gesture Recognition.

Further, the data acquisition sensing module includes at least one vehicle speed sensor, at least one bodywork height Detection sensor at least one photosensitive sensor, at least one steering wheel angle sensor and ADC conversion equipment composition；The vehicle Fast sensor selects Hall-type vehicle speed sensor, for measuring the revolving speed of transmission output shaft；The bodywork height detection sensing Device is same, selects photo-electric height sensor, the change in displacement of height, that is, detect the smooth journey on ground before and after detection automobile Degree；The steering wheel angle sensor selects absolute type photoelectricity rotary angle transmitter, the angle position information of detection direction disk；It is described Photosensitive sensor detects extraneous illumination intensity information.

Further, the master controller is made of power module, clock module, reseting module, is adopted according to the data Collect acquisition of the sensing module according to a variety of sensors to physical quantitys such as light, speed, pressure, then is converted by the ADC The analog quantity of magnitude of physical quantity is converted into digital quantity by device, then sends feedback signal to the master by the CAN control device Controller, the master controller judge the current driving situation of automobile according to feedback signal described in these, and send corresponding institute The pulse electricity that feedback signal is stated to the direct current generator module and the LED illumination module, and is generated by pulse-width modulation PWM Stream drives LED, changes the duty ratio of pulse current to adjust the brightness of LED illumination module or change the photograph of LED illumination module Bright angle.

Preferably, according to the difference of speed, the data acquisition sensing module is generated linear by the vehicle speed sensor For first feedback signal to the CAN control device, the CAN control device feeds back the master controller, the main control again Device control the LED illumination module according to first feedback signal, can carry out LED illumination intensity 20% ~ 40%, 40% ~ 60%, Divide fourth gear linear regulation between 60% ~ 80%, 80% ~ 100%；

When the speed is less than 40Km/H, the linear regulation between 20% ~ 40% of LED illumination intensity；

The speed is greater than 40Km/H, when being less than 80Km/H, the linear regulation between 40% ~ 60% of LED illumination intensity；

The speed is greater than 80Km/H, when being less than 100Km/H, the linear regulation between 60% ~ 80% of LED illumination intensity；

When the speed is greater than 100Km/H, the linear regulation between 80% ~ 100% of LED illumination intensity.

Preferably, according to the difference of illuminance, the data acquisition sensing mould is generated linear by the photosensitive sensor Second feedback signal to the master controller, according to second feedback signal, can carry out LED illumination intensity 20% ~ 50%, Divide fourth gear linear regulation between 50% ~ 80%, 80% ~ 100%；

When the illuminance is less than 40 LUX, LED illumination intensity in 80% ~ 100% linear regulation；

The illuminance is greater than 40 LUX, when less than 80 LUX, the linear regulation between 50% ~ 80% of LED illumination intensity；

The illuminance is greater than 80 LUX, when less than 100 LUX, the linear regulation between 20% ~ 50% of LED illumination intensity；

When the vehicle illuminance is greater than 100 LUX, the LED illumination module is closed.

Preferably, according to the difference of traveling road conditions, according to different steering angles, yaw-rate, the data acquisition sensing mould Linear third feedback signal is generated to the master controller by the steering wheel angle sensor, can be fed back according to the third Signal carries out dividing fourth gear linear regulation between 20% ~ 40%, 40% ~ 60%, 60% ~ 80%, the 80% ~ 100% of LED illumination intensity.

Preferably, the self-adaptive headlamp system acquires information by camera unit, and passes through CAN control dress It sets and is sent to the master controller, carry out road conditions illumination wisdom adjustment, the self-adaptive headlamp system is divided into horizontal direction To headlamp deflection control system and adaptive distance light supplementary controlled system on headlamp deflection control system, vertical direction；? In horizontal direction, direct current generator module described in the main controller controls carries out the level of car light irradiation angle based on the feedback signal Angular adjustment, i.e. vehicle in bend or meeting when driving car light with turning around a curve；

And in vertical direction, direct current generator module described in the main controller controls carries out car light irradiation angle based on the feedback signal Adjustment up and down, i.e., vehicle selects the adjusting to distance-light in upward slope or descending；The adaptive distance light supplementary controlled system When may detect opposed vehicle, high beam meeting auto-changing can be automatically converted to distance light at low beam mode again after the completion of meeting Mode carries out distance-light switching.

The invention has the advantages that illuminating compared to orthodox car, the present invention acquires environment by camera and sensor Variable is judged and is controlled by master controller, by the control for carrying out lighting system.It is adaptive remote based on LED light source Optimizing Control System uses more flexible LED module light source, realizes a variety of light type by the control to branch or plurality of LEDs brightness Adaptively switch in guarantee travel safety on the basis of improve the comfort of driving.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 Internet of Things intelligent lighting system entire block diagram of the present invention.

Fig. 2 Internet of Things intelligent lighting system speech recognition module system block diagram of the present invention.

Fig. 3 Internet of Things intelligent lighting system gesture recognition module system block diagram of the present invention.

Fig. 4 Internet of Things intelligent lighting system OLED display module system block diagram of the present invention.

The system block diagram of the example one of Fig. 5 Internet of Things intelligent lighting system of the present invention.

The system block diagram of the example two of Fig. 6 Internet of Things intelligent lighting system of the present invention.

The system block diagram of the example three of Fig. 7 Internet of Things intelligent lighting system of the present invention.

The system block diagram of the example four of Fig. 8 Internet of Things intelligent lighting system of the present invention.

Fig. 9 Internet of Things intelligent lighting system CAN control device of the present invention and data sensor acquisition module circuit diagram.

Figure 10 Internet of Things intelligent lighting system motor drive module circuit diagram of the present invention.

Figure 11 Internet of Things intelligent lighting system LED drive circuit schematic diagram of the present invention.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.

In the description of the present invention, term " first ", " second " etc. are used for description purposes only, and should not be understood as instruction or Imply relative importance.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, at this In the description of invention, unless otherwise indicated, the meaning of " plurality " is two or more.

Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention Embodiment person of ordinary skill in the field understood.

As shown in Figure 1, a kind of Internet of Things intelligent lighting system, comprising: master controller, CAN control device, at least one number According to acquisition sensing module, at least one LED illumination module, at least one direct current generator module, at least one camera unit, people Machine interface module and self-adaptive headlamp system, the CAN control device is to vehicle network, the master controller, the data Rapid communication between acquisition module, the direct current generator module, the human-computer interface module and LED illumination module guarantees system The real-time response of system, the data acquisition sensing module include at least a kind of sensor；

Further, the LED illumination module contains LED drive module and multiple lighting units composition, the LED illumination unit Between pass through parallel way control.It can root by CAN control device feedback signal to the master controller, the master controller All light, the multiple groups bright light control such as part is bright, part is bright are carried out to LED illumination module according to the feedback signal, it can also be according to institute Feedback signal is stated, the self-control of illumination is carried out according to vehicle driving road conditions；The lighting unit of the LED illumination module is also Including LED drive module and the dilute heat radiation module of integrated graphite.

Further, as shown in figure 4, the camera unit can be arrived according to traffic information by CAN control device feedback signal The master controller, the master controller carry out illumination, angle to the LED illumination module according to the signal of the feedback signal Transformation control；Further, the human-computer interface module is a touch-screen-enabled computer, including keyboard process module, OLED Display module, the keyboard process module is used to adjust OLED display module brightness and man-machine information is manually entered function, described OLED display module include: protection panels, decorating film, OCA/OCR, TSP sensor, OLED polaroid, thin-film package (TFE), OLED luminescent layer and plastic mat substrate, the TSP sensor are placed in the thin-film package (TFE) lower layer.

Further, the human-computer interface module further includes GPRS module, bluetooth module, and the GPRS module is configured as Pass through the communication modes and users' mobile end communication connection of GPRS；The bluetooth module is configured as the communication modes by bluetooth With users' mobile end communication connection.The bluetooth communication module and the master controller communicate through a serial port, and pass through IPX interface is attached with external Bluetooth antenna；

Preferably, the GPRS communication module, emerging MC8618 module in selection, the GPRS communication module and the master controller Connection, the master controller are connect by GRPS communication module with the cloud platform on Internet, are realized that cloud platform cuts vehicle and are shone The long-range control of bright system, and the long-range vehicle that obtains cut the physics such as the operational data, such as gathering speed, pressure and temperature of illumination Numerical value.

Preferably, as shown in Fig. 2, the human-computer interface module further includes having gesture recognition module and speech recognition module；

Preferably, the speech recognition module that the present invention selects is SYN7318 Chinese speech interactive module, the SYN7318 Chinese speech interactive module is integrated with speech recognition, speech synthesis and voice arousal function module.Pass through UART interface communication side Formula receives command frame.Such as control command frame, text data to be synthesized, realize Text To Speech, speech-to-text conversion with And voice arousal function.Module supports the speech recognition of 10000 entries.User can be flexibly to semantic similar entry, root Entry ID is carried out according to the semantic classes that user specifies and orders the correspondence of ID.Such as " please turn on light 1 ", " turn on light 1 " " play lamp It opens 1 ", can be fed back to order ID=1 that user specifies.This module can also support voice arousal function, internal support six The interesting wake-up name of kind.Simple speech calling in the wake mode can wake up.The identification of unspecified person order word, supports six Voice arousal function of the kind with specific command word supports Chinese, English, Chinese and English to mix identification, supports natural language processing, It can define 10000 voice commands, recognition command word can dynamically update, and entry, which updates, supports two ways, time-out detection Chinese language this synthesis function, the processing of text intellectual analysis, multitone word processing and Chinese surname processing capacity, support 10 grades of volume adjustments It is adjusted with 10 grades of word speed adjustment and 10 grades of intonation, 77 first auditory tone cues sounds is integrated in module, are integrated with 14 head in module Chord music supports customized addition prompt tone ability, provides two male, two female, an effect device and young girl's sound totally 6 Chinese pronunciations people supports a variety of text control labels, six kinds of voice arousal function MP3 with specific command word is supported to play branch It holds voice command and plays local MP3 music.

Preferably, as shown in figure 3, the gesture recognition module includes: gesture module, data acquisition and uploading module, seat Mark system conversion module, upper computer module, gesture computing module；The gesture recognition module passes through each mould of the main controller controls Block operation receives 3-axis acceleration, angular speed and three axis obtained by attitude algorithm of the gesture module sensor acquisition Attitude angle, is then acquired by the data and data are transmitted to the upper computer module, the gesture operation mould by uploading module Block carries out the interception of gesture data, and the characteristic quantity by extracting motion gesture carries out gesture classification, and the gesture recognition module is adopted With infrared Gesture Recognition.

Preferably, the main controller module of the gesture recognition module selects ATmega328 to control each module operation, The gesture module selects the acquisition of MPU6050 sensor.

Preferably, the upper computer module selects following procedure to be run:

/ Python code is as follows:

X_train = train.drop(['label'],axis=1)

X_test = test.drop(['label'], axis=1)

X_train = np.array(X_train.iloc[:,:])

X_train = np.array([np.reshape(i, (28,28)) for i in X_train])

X_test = np.array(X_test.iloc[:,:])

X_test = np.array([np.reshape(i, (28,28)) for i in X_test])

num_classes = 26

y_train = np.array(y_train).reshape(-1)

y_test = np.array(y_test).reshape(-1)

y_train = np.eye(num_classes)[y_train]

y_test = np.eye(num_classes)[y_test]

X_train = X_train.reshape((27455, 28, 28, 1))

X_test = X_test.reshape((7172, 28, 28, 1))

/ model

/ we will use Keras construct simple CNN(convolutional neural networks).

/ CNN shares 7 layers:

/ Python is accomplished by

from keras.models import Sequential

from keras.layers import Convolution2D

from keras.layers import MaxPooling2D

from keras.layers import Flatten

from keras.layers import Dense

from IPython.display import SVG

from keras.utils.vis_utils import model_to_dot

import pydot

def model():

classifier = Sequential()

classifier.add(Convolution2D(filters=8,

kernel_size=(3,3),

strides (1,1),

padding='same',

input_shape=(28,28,1),

activation='relu',

data_format='channels_last'))

classifier.add(MaxPooling2D(pool_size=(2,2)))

classifier.add(Convolution2D(filters=16,

kernel_size=(3,3),

strides=(1,1),

padding='same',

activation='relu'))

classifier.add(MaxPooling2D(pool_size=(4,4)))

classifier.add(Flatten())

classifier.add(Dense(128, activation='relu'))

classifier.add(Dense(26, activation='sigmoid'))

classifier.compile(optimizer='adam',

loss='categorical_crossentropy',

metrics=['accuracy'])

return classifier

/ then fit the model on training set and check the accuracy on test set.

classifier.fit(X_train, y_train, batch_size = 100, epochs = 100)

y_pred = classifier.predict(X_test)。

Preferably, as shown in figure 9, data acquisition sensing module hardware of the invention uses AT89C51 single-chip microcontroller as at Core is managed, using SJA1000 as CAN control device, PCA82C250 is as CAN control device bus transceiver.AT89C51 Single-chip microcontroller be atmel corp production low-power consumption, 8 single-chip microcontrollers of high-performance, it is completely compatible with the instruction set of 51 series monolithics. The P1 mouth of AT89C51 is utilized to the acquisition of the switching signal of sensor output.

The address/data multiplex bus of SJA1000 is connected with the P0 mouth of AT89C51, selection when MODE pin connects high level The clock signal of Intel mode, AT89C51 is provided by CLKOUT.In order to improve the driving capability of bus, SJA1000 with Add PCA82C250 bus driver chip between CAN bus, 82C250 is the interface between SJA1000 and physical bus.To sensor The sampling ADC0832 of the analog signal of output.ADC0832 is one kind 8 resolutions of National Semiconductor's production Rate, double channel A/D conversion chip;Highest is differentiated up to 256 grades;Successive approximation, reference voltage 5V;5V single supply Power supply；Input analog signal voltage range is 0~5V;It is compatible with TTL and CMOS to output and input level;In 250KHZ clock When frequency, conversion time 32us;There are two alternative analog input channels for tool;It is low in energy consumption, 15mW.The ratio of performance to price It is higher, it is suitable for being used in the intelligent instrumentation of pocket.

Preferably, master controller of the present invention uses the P87C591 single-chip microcontroller of PHILIPS semiconductor company.P87C591 monolithic Machine is a Monolithic 8 Bit high-performance microcontroller, has CAN controller in piece, derived from by 80C51 single-chip microcontroller from.It is used Powerful 80C51 instruction set simultaneously successfully contains PHILIPS semiconductor SJA1000CAN and controls its powerful PeliCAN function Energy.Its major parameter is as follows: 8051 full CMOS compatible controllers are based on, CAN (SJA1000), 10 ADC in piece, WDT, 32 I/O pins, 3 Timer/Counters, 15 interrupt sources, 4 priority, I2C bus, 16KB EPROM, piece The additional AUX RAM of interior RAM, 256Byte.

Preferably, as shown in Figure 10, the present invention selects L298N as motor drive module.L298N is SGS-THOMSON Bridge stepper motor special driving chip that Microelectronics was produced enjoy a double blessing, L298N are internally integrated that there are two bridge-type electricity The motor driven special chip on road can be used to drive the inductive loads such as dc motor and stepping motor.L298N can drive 2 motor can connect two motors respectively between OUT1, OUT2 and OUT3, OUT4, pin SENSA and SENSB are grounded, IN1, IN2, IN3, IN4 foot connect input control current potential to control the positive and negative rotation of motor.L298N function logic is as shown in table 3.1.

Since motor has biggish perception, electric current cannot be mutated, if suddenly will produce failure of current at power tube both ends Raw very high voltage, function L298N chip easy to damage.What therefore we applied in this circuit arrangement is that diode carrys out afterflow.Utilize two The one-way conduction of pole pipe, when direct current generator A is rotated forward, if unexpected power down, D1, D4 conducting, D2, D3 cut-off;Work as motor reversal When, unexpected power down D2, D3 conducting, D1, D4 cut-off.The same A of direct current generator B principle.

Preferably, the present invention can connect two direct current generators simultaneously, be respectively connected to L298N driving circuit, then with this Analogize, N number of direct current generator can be connect with concatenated mode, reaching the present invention, control LED illumination module carries out angular transformation in groups Purpose, alternatively, it is also possible to connect either parallel way carry out L298N driving circuit duplication operation, be finally reached into The purpose of row LED illumination die angle variation is all the scope of protection of the invention regardless of the series and parallel group in a manner of which type of.

Preferably, as shown in figure 11, LED drive module of the present invention is selected, the NCV78763 buck-boost of gloomy U.S. semiconductor LED driving IC serves as current source in the full LED headlamp of this matrix form dynamic and intelligent, it and integrated-type pixel controller/companion Chip complements each other.NCV78763 advanced intelligent power supply ballast and two-channel LED driver provide the single-chip vapour of high energy efficiency Vehicle illumination scheme, can driving voltage up to 60 volts (V) two go here and there LED.Every road output can support the DC current of 1.6 peaces (A). Built-in current mode voltage boost pressure controller can filter input current.Also built-in pulsewidth modulation (PWM) dimming function of this device, For frequency up to 4 kHz (kHz), further, it would be desirable to provide PWM directly to feed selection, for carrying out complete frequency from external microcontroller And the control of accuracy rating.It can be used for headlamp application of the present invention, including high beam, dipped headlight, side marker light, static steering Auxiliary lamp, fog lamp and daytime running lamps.Each independent LED channel has independent step-down switching to export, can configure output electric current and Voltage, to meet specific application standard.Configuration is completed through the Serial Peripheral Interface (SPI) (SPI) of device.Integrated diagnosis function only makes Make security monitoring with less system microcontroller resource, thus promotes the overall efficiency of Lighting Design.If individually illuminating mould Block requires more than 2 LED channels, and more NCV78763 devices can be applied in combination.After NCV78763 device, this hair for making It is bright to have SPI programmability, therefore flexibility ratio is high, allows extension to design, is gone here and there using more LED.It can be in response to broad vehicle Type substantially accelerates the design cycle and reduces engineering indirect cost.In addition, NCV78763 supports high working frequency, thus can be used Smaller inductance reduces store list cost.

Preferentially, ON Semiconductor NCV7691 current controller also can be selected in LED drive module of the present invention, it is used for LED lamp of automobile, so that high integration pre-driver of the present invention combines PWM and diagnostic function and battery connection in single-chip It inputs with negative temperature coefficient (NTC), goes mainly for Combined tail lamps of automobile (RCL), center high-mounted stop lamp (CHMSL) and in the daytime Car light (DRL) application.External bipolar transistor and feedback resistance is used in combination in this device, accurately adjusts LED drive current-most 8 LED string can be mostly adjusted simultaneously, and LED string open circuit and short-circuit diagnostic function ensure to maintain functional reliability, by by FLTS pin It links together, plurality of LEDs can be closed when detecting mistake, severe automotive environment, its operating temperature range can be dealt with It is -55 DEG C to+150 DEG C.

Preferably, as shown in figure 5, example one: according to the difference of speed, the data acquisition sensing module passes through the vehicle Fast sensor generates linear first feedback signal to the CAN control device, and the CAN control device feeds back the master control again Device processed, LED illumination module described in the main controller controls can carry out LED illumination intensity according to first feedback signal Divide fourth gear linear regulation between 20% ~ 40%, 40% ~ 60%, 60% ~ 80%, 80% ~ 100%；

Preferably, as shown in fig. 6, example two: according to the difference of illuminance, the data acquisition sensing mould passes through the light Dependent sensor generates linear second feedback signal to the master controller, can carry out LED illumination according to second feedback signal Divide fourth gear linear regulation between 20% ~ 50%, 50% ~ 80%, the 80% ~ 100% of intensity；

Preferably, as shown in fig. 7, example three: according to the difference of traveling road conditions, according to different steering angles, yaw-rate, Data acquisition sensing mould by the linear third feedback signal of steering wheel angle sensor generation to the master controller, Can according to the third feedback signal, carry out LED illumination intensity 20% ~ 40%, 40% ~ 60%, 60% ~ 80%, 80% ~ 100% between Divide fourth gear linear regulation.

Preferably, as shown in figure 8, example four: the self-adaptive headlamp system acquires information by camera unit, and It is sent to the master controller by the CAN control device, carries out road conditions illumination wisdom adjustment, the adaptive front lighting lamp system System be divided into headlamp deflection control system in horizontal direction, in vertical direction to headlamp deflection control system and adaptive distance light Supplementary controlled system；In the horizontal direction, direct current generator module described in the main controller controls carries out vehicle based on the feedback signal The level angle of light irradiation angle is adjusted, i.e., vehicle in bend or meeting when driving car light with turning around a curve；

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, not to the schematic representation of the term Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiment or examples in can be combined in any suitable manner.

Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims

1. a kind of Internet of Things intelligent lighting system, comprising: master controller, CAN control device, at least one data acquisition sensing mould Block, at least one LED illumination module, at least one direct current generator module, at least one camera unit, human-computer interface module and Self-adaptive headlamp system, the CAN control device is to the vehicle network, master controller, the data acquisition module, described Rapid communication between direct current generator module, the human-computer interface module and LED illumination module, guarantees the real-time response of system, The data acquisition sensing module includes at least a kind of sensor；

The LED illumination module contains LED drive module and multiple lighting units composition, passes through between the LED illumination unit Parallel way control.

2. a kind of Internet of Things intelligent lighting system according to claim 1, it is characterised in that:

It can be according to the feedback letter by the CAN control device feedback signal to the master controller, the master controller Number all light, the multiple groups bright light control such as part is bright, part is bright are carried out to LED illumination module, it can also be according to the feedback signal, root The self-control of illumination is carried out according to vehicle driving road conditions；The lighting unit of the LED illumination module further includes LED driving mould Block and the dilute heat radiation module of integrated graphite.

3. a kind of Internet of Things intelligent lighting system according to claim 1, it is characterised in that:

The direct current generator module contains motor-drive circuit and multiple linkage units composition, and the multiple linkage unit is using simultaneously The mode of connection controls, equally can be by CAN control device feedback signal to the master controller, can be according to the feedback signal pair The LED illumination module carries out the multiple angles such as dynamic, part is moved, part is dynamic entirely and converts control；

The camera unit can pass through CAN control device feedback signal to the master controller, the master according to traffic information Controller carries out illumination to the LED illumination module according to the signal of the feedback signal, the transformation of angle controls；

The human-computer interface module is a touch-screen-enabled computer, including keyboard process module, OLED display module, the keyboard Processing module is used to adjust OLED display module brightness and man-machine information is manually entered function, and the OLED display module includes: Protection panels, decorating film, OCA/OCR, TSP sensor, OLED polaroid, thin-film package (TFE), OLED luminescent layer and bottom plate modeling Expect that substrate, the TSP sensor are placed in the thin-film package (TFE) lower layer.

4. a kind of Internet of Things intelligent lighting system according to claim 1, it is characterised in that:

The human-computer interface module further includes RFID tag sensor module, the human-computer interface module described in user's close contact When, the RFID tag sensor module can be used, the RFID tag sensor module includes sensor unit and RFID mark It signs a bill first two parts, aforementioned Unit two both can be combined physically, and can also be physically isolated, and the two is real together The effect of existing indoor or outdoors information collection and wireless transmission；

5. a kind of Internet of Things intelligent lighting system according to claim 1, it is characterised in that:

The human-computer interface module further includes GPRS module, bluetooth module, and the GPRS module is configured as through the logical of GPRS News mode and users' mobile end communication connection；The bluetooth module is configured as communication modes and users' mobile end by bluetooth Communication connection.

6. a kind of Internet of Things intelligent lighting system according to claim 1, it is characterised in that:

The human-computer interface module further includes having gesture recognition module and speech recognition module；

7. a kind of Internet of Things intelligent lighting system according to claim 1, it is characterised in that:

Data acquisition sensing module include at least one vehicle speed sensor, at least one bodywork height detection sensor at least One photosensitive sensor, at least one steering wheel angle sensor and ADC conversion equipment composition；The vehicle speed sensor is selected suddenly That formula vehicle speed sensor, for measuring the revolving speed of transmission output shaft；The bodywork height detection sensor is same, selects photo-electric Height sensor, the change in displacement of detection automobile front and back height, that is, detect the smooth degree on ground；The steering wheel angle Sensor selects absolute type photoelectricity rotary angle transmitter, the angle position information of detection direction disk；The photosensitive sensor detection is outer Boundary's illumination intensity information.

8. a kind of Internet of Things intelligent lighting system according to claim 1, it is characterised in that:

The master controller is made of power module, clock module, reseting module, according to the data acquire sensing module according to Acquisition of a variety of sensors to physical quantitys such as light, speed, pressure, then by the ADC conversion equipment magnitude of physical quantity Analog quantity be converted into digital quantity, then pass through the CAN control device and send feedback signal to the master controller, the master control Device processed judges the current driving situation of automobile according to feedback signal described in these, and sends the corresponding feedback signal described in Direct current generator module and the LED illumination module, and LED is driven by the pulse current of pulse-width modulation PWM generation, change The duty ratio of pulse current come adjust LED illumination module brightness or change LED illumination module light angle.

9. a kind of Internet of Things intelligent lighting system according to claim 1, it is characterised in that:

The self-adaptive headlamp system acquires information by camera unit, and is sent to institute by the CAN control device Master controller is stated, road conditions illumination wisdom adjustment is carried out, the self-adaptive headlamp system is divided into headlamp in horizontal direction and deflects To headlamp deflection control system and adaptive distance light supplementary controlled system in control system, vertical direction；In the horizontal direction, The level angle that direct current generator module described in the main controller controls carries out car light irradiation angle based on the feedback signal is adjusted, i.e., Vehicle in bend or meeting when driving car light with turning around a curve；