CN205378300U - Vehicle headlamp control device - Google Patents
Vehicle headlamp control device Download PDFInfo
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- CN205378300U CN205378300U CN201620143446.4U CN201620143446U CN205378300U CN 205378300 U CN205378300 U CN 205378300U CN 201620143446 U CN201620143446 U CN 201620143446U CN 205378300 U CN205378300 U CN 205378300U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a vehicle headlamp control device, including car headlight, its characterized in that: install photosensor on car headlight's the shell, the electronic circuit board has been laid in car headlight's the shell, the integration has car headlight control circuit, heating module and thermal module on the electronic circuit board, car headlight control circuit includes singlechip and the liquid crystal touch screen who meets with the singlechip, input termination temperature and humidity sensor, speed detection module, angle detection module and the limit switch of singlechip, the output termination of singlechip has audio alert circuit, LED lamp driving circuit, a step motor module and the 2nd step motor module, the angle measure module includes angular transducer, rotary angle transmitter and AD converting circuit. The utility model discloses the circuit is simple, and reasonable in design can eliminate the car headlight blind area, and improves driving safety nature, the energy saving, and the practicality is strong, convenient to popularize and use.
Description
Technical field
This utility model belongs to auto electric and controls technical field, is specifically related to a kind of car headlight control device.
Background technology
Headlight for vehicles, also referred to as car headlamp, automobile LED day portable lighter, be when night or visibility are relatively low, the visual plant of illumination be provided for driver.Along with increasing of automobile quantity, night traffic accident occurs again and again, and headlight for vehicles is the key factor affecting vehicle safety travel.In order to ensure night or the relatively low ride safety of automobile of visibility, headlight for vehicles should illuminate automobile forward march to greatest extent, but the control of headlight for vehicles still has several drawbacks at present: first, headlight for vehicles is arranged on car steering outdoor, there is certain range of exposures, adjustable extent is less, when automobile climb and fall, when bend is turned, headlight for vehicles and wheel can not synchronize to turn to, the angle of pitch or the steering angle of headlight for vehicles can not be dynamically regulated according to bodywork height change, the light angle of headlight cannot be regulated, make headlight for vehicles, at curve inner side, " blind area " occur, greatly threaten the safe driving of driver；Second, driver generally opens headlight for vehicles through low visibility local time, but when to visibility high local time easily forget closing automobile headlight, the headlight power supply of automobile directly connects with the level of automobile, so not only causes the waste of resource, and the level loss of automobile is very fast, change level costly, troublesome poeration, and in the good situation of light, use headlight for vehicles, potential safety hazard can be brought to the driver that opposite travels；3rd, automobile is in the process advanced, and the colour of sky brightens or dimmed, it is impossible to automatically controls headlight for vehicles and opens or closes, operation inconvenience.Under environment very dark around, often do not call for standard-sized sheet and drive headlight for vehicles, and the driving electric current of headlight for vehicles can not regulate at present, changes the brightness of headlight for vehicles, reduces the power consumption of headlight for vehicles；4th, present stage automobile is the daily commonly used vehicles, but when headlight for vehicles internal-external temperature difference is more, air-flow within automobile lamp is obstructed, headlight for vehicles arises that fogging situation, reduces the illuminating effect of headlight, and, headlight for vehicles is inconvenient wiping also, makes troubles to driver.Finally, headlight for vehicles uses generation more heat transfer over a long time, if the heat within headlight for vehicles can not leave in time, headlight for vehicles is in the condition of high temperature, will reduce the headlight for vehicles life-span, and then reduces the Energy Efficiency Ratio of headlight for vehicles.Therefore, a kind of simple in construction, cost car headlight control device low, reasonable in design, manageable are nowadays lacked, it is possible to adjust headlight for vehicles irradiating angle, eliminate headlight for vehicles lighting blind zone, save the energy, improve drive safety.
Utility model content
Technical problem to be solved in the utility model is in that for above-mentioned deficiency of the prior art, a kind of car headlight control device is provided, its design circuit is simple, reasonable in design, easy to control, eliminate headlight for vehicles lighting blind zone, and raising drive safety, save the energy, practical, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of car headlight control device, including headlight for vehicles, it is characterized in that: the shell of described headlight for vehicles is provided with photosensitive sensor, it is laid with electronic circuit board in the shell of described headlight for vehicles, described electronic circuit board is integrated with headlight for vehicles control circuit, heating module and radiating module；nullDescribed headlight for vehicles control circuit includes single-chip microcomputer and the liquid crystal touch screen connected with single-chip microcomputer，The input of described single-chip microcomputer is connected to Temperature Humidity Sensor、For detecting the velocity measuring module of automobile driving speed、For detecting the angle detection module of automobile rotational angle and multiple for the turned position up and down of headlight for vehicles is carried out spacing limit switch，The outfan of described single-chip microcomputer is connected to voice alarm circuit、For regulating the LED lamp drive circuit of headlight for vehicles brightness、For regulating the first stepping motor module of headlight for vehicles horizontal direction rotation and for regulating the second stepping motor module that headlight for vehicles vertical direction rotates，Described angle detection module includes the obliquity sensor for detecting the automotive vertical direction angle of pitch、For the rotary angle transmitter detecting vehicle level directional steering angle and the A/D change-over circuit all connected with described obliquity sensor outfan and rotary angle transmitter outfan，Described first stepping motor module includes the first stepping motor drive module and the first motor connected with the first stepping motor drive module outfan，Described second stepping motor module includes the second stepping motor drive module and the second motor connected with the second stepping motor drive module outfan；Described heating module includes relay and connects with relay output end and for eliminating the heating wire of headlight for vehicles fog, described radiating module includes motor drive module and connects with motor drive module outfan and for reducing the fan of headlight for vehicles temperature, the outfan of described photosensitive sensor and the outfan of A/D change-over circuit all connect with the input of single-chip microcomputer, and the input of described first stepping motor drive module, the input of the second stepping motor drive module, the input of relay and the input of motor drive module all connect with the outfan of single-chip microcomputer.
Above-mentioned a kind of car headlight control device, it is characterised in that: described Temperature Humidity Sensor includes Digital temperature & humidity sensor SHT11, and described photosensitive sensor includes photosensitive sensor WI82090.
Above-mentioned a kind of car headlight control device, it is characterised in that: described velocity measuring module includes photoelectric code disk, and described A/D change-over circuit includes chip ADS7844.
Above-mentioned a kind of car headlight control device, it is characterised in that: described obliquity sensor includes obliquity sensor N1000060, and described rotary angle transmitter includes rotary angle transmitter G85.
Above-mentioned a kind of car headlight control device, it is characterised in that: described first motor includes the motor M1 that model is 42BYG450-34.
Above-mentioned a kind of car headlight control device, it is characterised in that: described second motor includes the motor M2 that model is 42BYG450-34.
nullAbove-mentioned a kind of car headlight control device，It is characterized in that: described first stepping motor drive module includes the chip U1 that model is ULN2003A，1st pin of described chip U1，2nd pin，3rd pin and the 4th pin all connect with single-chip microcomputer，16th pin of described chip U1 connects with one end of motor M1 the first winding，13rd pin of described chip U1 connects with the other end of motor M1 the first winding，14th pin of described chip U1 connects with one end of motor M1 the second winding，15th pin of described chip U1 connects with the other end of motor M1 the second winding，9th pin of described chip U1 connects with 5V power output end，The common port of described motor M1 the first winding and the common port of motor M1 the second winding all connect with 12V power output end.
nullAbove-mentioned a kind of car headlight control device，It is characterized in that: described second stepping motor drive module includes the chip U2 that model is ULN2003A，1st pin of described chip U2，2nd pin，3rd pin and the 4th pin all connect with single-chip microcomputer，16th pin of described chip U2 connects with one end of motor M2 the first winding，13rd pin of described chip U2 connects with the other end of motor M2 the first winding，14th pin of described chip U2 connects with one end of motor M2 the second winding，15th pin of described chip U2 connects with the other end of motor M2 the second winding，9th pin of described chip U2 connects with 5V power output end，The common port of described motor M2 the first winding and the common port of motor M2 the second winding all connect with 12V power output end.
Above-mentioned a kind of car headlight control device, it is characterised in that: described LED lamp drive circuit includes chip LTC3783, and the 1st pin of described chip LTC3783 divides two-way, and a road is through resistance R11 ground connection, and another road connects with the source electrode of NMOS tube Q2；7th pin of chip LTC3783 connects with single-chip microcomputer, 8th pin of chip LTC3783 connects with the grid of NMOS tube Q2,9th pin of chip LTC3783 connects with the grid of NMOS tube Q1,11st pin of chip LTC3783 divides three tunnels, one tunnel connects with 12V power output end, another road connects with one end of inductance L2, and the 3rd tunnel is through electric capacity C10 ground connection；The other end of described inductance L2 divides two-way, and a road connects with the drain electrode of NMOS tube Q1, and another road connects with the anode of commutation diode D1；12nd pin of chip LTC3783 connects with one end of resistance R9, and the other end of described resistance R9 divides two-way, and a road connects with the source electrode of NMOS tube Q1, another road ground connection；14th pin of chip LTC3783 divides two-way, and a road connects with swept resistance R4 fixing end, and another road connects through the negative electrode of resistance R7 with commutation diode D1, and the 3rd tunnel is a signal output part of LED lamp drive circuit；The sliding end of described swept resistance R4 and another equal ground connection of fixing end of swept resistance R4, another signal output part that the drain electrode of described NMOS tube Q2 is LED lamp drive circuit.
Above-mentioned a kind of car headlight control device, it is characterized in that: described voice alarm circuit includes chip I SD2560 and speaker LS1,1st pin of described chip I SD2560, the 2nd pin, the 3rd pin, the 4th pin, the 5th pin, the 6th pin, the 7th pin, the 8th pin, the 9th pin, the 10th pin, the 23rd pin, the 24th pin, the 25th pin and the 27th pin all connect with single-chip microcomputer, 14th pin of chip I SD2560 connects with one end of speaker LS1, and the 15th pin of chip I SD2560 connects with the other end of speaker LS1.
This utility model compared with prior art has the advantage that
1, this utility model is by arranging velocity measuring module, obliquity sensor and rotary angle transmitter, detect in real time the transport condition of automobile, and by arranging photosensitive sensor, it is ensured that when low visibility and high, automatically open up and closing automobile headlight, reduce the waste of the energy.
2, by arranging the first stepping motor module and the second stepping motor module, headlight is made to have automatic regulation function, eliminate headlight for vehicles lighting blind zone, increase range of exposures, ensure that headlight for vehicles is in the illumination zone of the best constantly, illuminate road ahead to greatest extent, reduce the generation of vehicle accident, improve drive safety, it is simple to regulate.
3, this utility model is by arranging LED lamp drive circuit, changes the dutycycle of headlight for vehicles electric current and then the brightness of change headlight for vehicles by regulating the dutycycle of pwm pulse signal, is effectively reduced the power consumption of headlight for vehicles, energy-conserving and environment-protective.
4, this utility model is by arranging Temperature Humidity Sensor, detection temperature and humidity within headlight for vehicles in real time, when dampness is more than the humidity threshold set, microcontroller connects electrothermal wire power by relay, electric-heating-wire-heating, eliminates the fog on headlight for vehicles in time, makes headlight for vehicles keep good illuminating effect, eliminate safe hidden trouble, improve the safety that cold snap is driven.When temperature is more than the temperature threshold set, microcontroller drives fan rotation to dispel the heat by motor drive module, it is prevented that headlight for vehicles temperature is too high, causes headlight for vehicles to damage, simple operation.
In sum, this utility model design circuit is simple, reasonable in design, easy to control, eliminates headlight for vehicles lighting blind zone, and improves drive safety, saves the energy, practical, it is simple to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit connecting relation schematic diagram of this utility model the first stepping motor drive module and the first motor.
Fig. 3 is the circuit connecting relation schematic diagram of this utility model the second stepping motor drive module and the second motor.
Fig. 4 is the circuit theory diagrams of this utility model LED lamp drive circuit.
Fig. 5 is the circuit theory diagrams of this utility model voice alarm circuit.
Description of reference numerals:
1 single-chip microcomputer；2 Temperature Humidity Sensors；3 photosensitive sensors；
4-1 velocity measuring module；4-2 obliquity sensor；4-3 rotary angle transmitter；
4-4 A/D change-over circuit；4-5 limit switch；5 liquid crystal touch screens；
6-1 relay；6-2 heating wire；7-1 motor drive module；
7-2 fan；8 LED lamp drive circuit；
9-1 the first stepping motor drive module；9-2 the first motor；
10-1 the second stepping motor drive module；10-2 the second motor；
11 voice alarm circuit.
Detailed description of the invention
As shown in Figure 1, this utility model includes headlight for vehicles, the shell of described headlight for vehicles is provided with photosensitive sensor 3, is laid with electronic circuit board in the shell of described headlight for vehicles, described electronic circuit board is integrated with headlight for vehicles control circuit, heating module and radiating module；nullDescribed headlight for vehicles control circuit includes single-chip microcomputer 1 and the liquid crystal touch screen 5 connected with single-chip microcomputer 1，The input of described single-chip microcomputer 1 is connected to Temperature Humidity Sensor 2、For detecting the velocity measuring module 4-1 of automobile driving speed、For detecting the angle detection module of automobile rotational angle and multiple for the turned position up and down of headlight for vehicles is carried out spacing limit switch 4-5，The outfan of described single-chip microcomputer 1 is connected to voice alarm circuit 11、For regulating the LED lamp drive circuit 8 of headlight for vehicles brightness、For regulating the first stepping motor module of headlight for vehicles horizontal direction rotation and for regulating the second stepping motor module that headlight for vehicles vertical direction rotates，Described angle detection module includes the obliquity sensor 4-2 for detecting the automotive vertical direction angle of pitch、For the rotary angle transmitter 4-3 detecting vehicle level directional steering angle and the A/D change-over circuit 4-4 all connected with described obliquity sensor 4-2 outfan and rotary angle transmitter 4-3 outfan，Described first stepping motor module includes the first stepping motor drive module 9-1 and the first motor 9-2 connected with the first stepping motor drive module 9-1 outfan，Described second stepping motor module includes the second stepping motor drive module 10-1 and the second motor 10-2 connected with the second stepping motor drive module 10-1 outfan；Described heating module includes relay 6-1 and connects with relay 6-1 outfan and for eliminating the heating wire 6-2 of headlight for vehicles fog, described radiating module includes motor drive module 7-1 and connects with motor drive module 7-1 outfan and for reducing the fan 7-2 of headlight for vehicles temperature, the outfan of described photosensitive sensor 3 and the outfan of A/D change-over circuit 4-4 all connect with the input of single-chip microcomputer 1, the input of described first stepping motor drive module 9-1, the input of the second stepping motor drive module 10-1, the input of relay 6-1 and the input of motor drive module 7-1 all connect with the outfan of single-chip microcomputer 1.
Time actually used, multiple limit switch 4-5 respectively carry out spacing left limit switch for maximum rotated position that headlight for vehicles is turned left, carry out spacing right limit switch for the maximum rotated position that headlight for vehicles is turned right, carry out spacing upper limit position switch for the maximum rotated position that headlight for vehicles is rotated up and the maximum rotated position for headlight for vehicles is rotated down carries out spacing lower position switch.
In the present embodiment, described Temperature Humidity Sensor 2 includes Digital temperature & humidity sensor SHT11.
In the present embodiment, described photosensitive sensor 3 includes photosensitive sensor WI82090.
In the present embodiment, described velocity measuring module 4-1 includes photoelectric code disk.
In the present embodiment, described A/D change-over circuit 4-4 includes chip ADS7844.
In the present embodiment, described obliquity sensor 4-2 includes obliquity sensor N1000060.
In the present embodiment, described rotary angle transmitter 4-3 includes rotary angle transmitter G85, is arranged on automotive steering wheel shaft.
As in figure 2 it is shown, in the present embodiment, described first motor 9-2 includes the motor M1 that model is 42BYG450-34.
As it is shown on figure 3, in the present embodiment, described second motor 10-2 includes the motor M2 that model is 42BYG450-34.
nullAs shown in Figure 2，In the present embodiment，Described first stepping motor drive module 9-1 includes the chip U1 that model is ULN2003A，1st pin of described chip U1，2nd pin，3rd pin and the 4th pin all connect with single-chip microcomputer 1，16th pin of described chip U1 connects with one end of motor M1 the first winding，13rd pin of described chip U1 connects with the other end of motor M1 the first winding，14th pin of described chip U1 connects with one end of motor M1 the second winding，15th pin of described chip U1 connects with the other end of motor M1 the second winding，9th pin of described chip U1 connects with 5V power output end，The common port of described motor M1 the first winding and the common port of motor M1 the second winding all connect with 12V power output end.
nullAs shown in Figure 3，In the present embodiment，Described second stepping motor drive module 10-1 includes the chip U2 that model is ULN2003A，1st pin of described chip U2，2nd pin，3rd pin and the 4th pin all connect with single-chip microcomputer 1，16th pin of described chip U2 connects with one end of motor M2 the first winding，13rd pin of described chip U2 connects with the other end of motor M2 the first winding，14th pin of described chip U2 connects with one end of motor M2 the second winding，15th pin of described chip U2 connects with the other end of motor M2 the second winding，9th pin of described chip U2 connects with 5V power output end，The common port of described motor M2 the first winding and the common port of motor M2 the second winding all connect with 12V power output end.
As shown in Figure 4, in the present embodiment, described LED lamp drive circuit 8 includes chip LTC3783, and the 1st pin of described chip LTC3783 divides two-way, and a road is through resistance R11 ground connection, and another road connects with the source electrode of NMOS tube Q2；7th pin of chip LTC3783 connects with single-chip microcomputer 1,8th pin of chip LTC3783 connects with the grid of NMOS tube Q2,9th pin of chip LTC3783 connects with the grid of NMOS tube Q1,11st pin of chip LTC3783 divides three tunnels, one tunnel connects with 12V power output end, another road connects with one end of inductance L2, and the 3rd tunnel is through electric capacity C10 ground connection；The other end of described inductance L2 divides two-way, and a road connects with the drain electrode of NMOS tube Q1, and another road connects with the anode of commutation diode D1；12nd pin of chip LTC3783 connects with one end of resistance R9, and the other end of described resistance R9 divides two-way, and a road connects with the source electrode of NMOS tube Q1, another road ground connection；14th pin of chip LTC3783 divides two-way, and a road connects with swept resistance R4 fixing end, and another road connects through the negative electrode of resistance R7 with commutation diode D1, and the 3rd tunnel is a signal output part of LED lamp drive circuit 8；The sliding end of described swept resistance R4 and another equal ground connection of fixing end of swept resistance R4, another signal output part that the drain electrode of described NMOS tube Q2 is LED lamp drive circuit 8.
Time actually used, the 2nd pin of described chip LTC3783 divides two-way, and a road is through resistance R5 ground connection, and another road connects through the 4th pin of resistance R6 and chip LTC3783；5th pin of chip LTC3783 is through resistance R8 ground connection, foot meridian capacitor C11 ground connection is drawn in the 10th of chip LTC3783, foot meridian capacitor C8 ground connection is drawn in the 13rd of chip LTC3783, foot meridian capacitor C7 ground connection is drawn in the 15th of chip LTC3783, and the 16th pin of chip LTC3783 connects through resistance R3 and 12V power output end.
In the present embodiment, a signal output part Port1 of described LED lamp drive circuit 8 and another signal output part Port2 of LED lamp drive circuit 8 connects with the positive terminal of headlight for vehicles and the negative terminals of headlight for vehicles respectively.
As shown in Figure 5, in the present embodiment, described voice alarm circuit 11 includes chip I SD2560 and speaker LS1,1st pin of described chip I SD2560, the 2nd pin, the 3rd pin, the 4th pin, the 5th pin, the 6th pin, the 7th pin, the 8th pin, the 9th pin, the 10th pin, the 23rd pin, the 24th pin, the 25th pin and the 27th pin all connect with single-chip microcomputer 1,14th pin of chip I SD2560 connects with one end of speaker LS1, and the 15th pin of chip I SD2560 connects with the other end of speaker LS1.
Time actually used, 12nd pin of described chip I SD2560 and the 13rd equal ground connection of pin, 16th pin of described chip I SD2560 connects with 5V power output end and through electric capacity C5 ground connection, 19th pin of described chip I SD2560 is through electric capacity C3 in parallel and resistance R1 ground connection, resistance R2 and the 21st pin of electric capacity C4 and chip I SD2560 that 20th pin of described chip I SD2560 is concatenated connect, the 26th pin ground connection of described chip I SD2560, the 28th pin of described chip I SD2560 connects with 5V power output end and through electric capacity C1 in parallel and electric capacity C2 ground connection.
When this utility model uses, single-chip microcomputer 1 normal operation, headlight for vehicles control circuit enters duty, temperature threshold, humidity threshold, intensity of illumination threshold value, steering angle threshold value and angle of pitch threshold value is preset by liquid crystal touch screen 5, Temperature Humidity Sensor 2 detects the temperature and humidity within headlight for vehicles in real time and the temperature and humidity collected is sent into single-chip microcomputer 1, when the temperature that Temperature Humidity Sensor 2 detects is more than predetermined temperature threshold value, single-chip microcomputer 1 controls motor drive module 7-1 work, drives fan 7-2 to rotate and dispels the heat for headlight for vehicles；When the humidity that Temperature Humidity Sensor 2 detects is more than humidity threshold set in advance (namely headlight for vehicles has fog), single-chip microcomputer 1 controls relay 6-1 Guan Bi, connect the power supply of heating wire 6-2, heating wire 6-2 begins to warm up, eliminate the fog on headlight for vehicles in time, make headlight for vehicles keep good illuminating effect, eliminate safe hidden trouble, improve the safety that cold snap is driven.nullVelocity measuring module 4-1 detects the speed of running car in real time and the speed collected is sent into single-chip microcomputer 1，Rotary angle transmitter 4-3 detects the angle of vehicle level direction rotation in real time and sends the steering angle signal collected to A/D change-over circuit 4-4，Obliquity sensor 4-2 detects the angle of pitch in automotive vertical direction in real time and sends the angle of pitch signal collected to A/D change-over circuit 4-4，The steering angle signal collected and angle of pitch signal are converted to the accessible digital information of single-chip microcomputer 1 by A/D change-over circuit 4-4，According to the steering angle that the velocity measuring module 4-1 car speed detected and rotary angle transmitter 4-2 detect，Single-chip microcomputer 1 obtains the left and right turn angle of headlight for vehicles horizontal direction through processing，Single-chip microcomputer 1 drives the first motor 9-2 to rotate by the first stepping motor drive module 9-1，Make headlight for vehicles left-right rotation，The blind area of headlight for vehicles is eliminated when being easy to automobile turning；When left limit switch detects that the collision alarm of described headlight for vehicles or right limit switch the collision alarm described headlight for vehicles being detected, described single-chip microcomputer 1 drives the first motor 9-2 to stop operating by the first stepping motor drive module 9-1；According to the angle of pitch that the velocity measuring module 4-1 car speed detected and obliquity sensor 4-2 detect, single-chip microcomputer 1 obtains the steering angle up and down of headlight for vehicles vertical direction through processing, single-chip microcomputer 1 drives the second motor 10-2 to rotate by the second stepping motor drive module 10-1, headlight for vehicles is made to rotate upwardly and downwardly, when being easy to automobile up slope and descending, eliminate the blind area of headlight for vehicles；When upper limit position switch detects the collision alarm that the collision alarm of described headlight for vehicles or lower position switch detect described headlight for vehicles, described single-chip microcomputer 1 drives the second motor 10-2 to stop operating by the second stepping motor drive module 10-1；When automobile stops travelling, single-chip microcomputer 1 drives the first motor 9-2 and the second motor 10-2 to rotate by the first stepping motor drive module 9-1 and the second stepping motor drive module 10-1 respectively, makes headlight for vehicles return to initial position.When the steering angle that the obliquity sensor 4-2 angle of pitch detected detects more than angle of pitch threshold value or rotary angle transmitter 4-3 is more than steering angle threshold value, single-chip microcomputer 1 controls voice alarm circuit 11 and sends warning, reminds driver safety to drive.Photosensitive sensor 3 detects the intensity of illumination of running car environment in real time and the intensity of illumination collected is sent into single-chip microcomputer 1, when the intensity of illumination that photosensitive sensor 3 collects is less than intensity of illumination threshold value set in advance, single-chip microcomputer 1 opens headlight for vehicles by LED lamp drive circuit 8, the dutycycle regulating the pwm pulse of single-chip microcomputer 1 output changes the dutycycle of headlight for vehicles electric current, and then changes the brightness of headlight for vehicles；When the intensity of illumination that photosensitive sensor 3 collects is more than intensity of illumination threshold value set in advance, single-chip microcomputer 1, by LED lamp drive circuit 8 closing automobile headlight, reduces the waste of the energy, energy-conserving and environment-protective.It addition, the temperature detected, humidity, speed, steering angle and the angle of pitch are shown by liquid crystal touch screen 5 in real time simultaneously, conveniently check.
The above; it it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, all still falls within the protection domain of technical solutions of the utility model.
Claims (10)
1. a car headlight control device, including headlight for vehicles, it is characterized in that: the shell of described headlight for vehicles is provided with photosensitive sensor (3), it is laid with electronic circuit board in the shell of described headlight for vehicles, described electronic circuit board is integrated with headlight for vehicles control circuit, heating module and radiating module；nullDescribed headlight for vehicles control circuit includes single-chip microcomputer (1) and the liquid crystal touch screen (5) connected with single-chip microcomputer (1)，The input of described single-chip microcomputer (1) is connected to Temperature Humidity Sensor (2)、For detecting the velocity measuring module (4-1) of automobile driving speed、For detecting the angle detection module of automobile rotational angle and multiple for the turned position up and down of headlight for vehicles being carried out spacing limit switch (4-5)，The outfan of described single-chip microcomputer (1) is connected to voice alarm circuit (11)、For regulating the LED lamp drive circuit (8) of headlight for vehicles brightness、For regulating the first stepping motor module of headlight for vehicles horizontal direction rotation and for regulating the second stepping motor module that headlight for vehicles vertical direction rotates，Described angle detection module includes the obliquity sensor (4-2) for detecting the automotive vertical direction angle of pitch、For the rotary angle transmitter (4-3) detecting vehicle level directional steering angle and the A/D change-over circuit (4-4) all connected with described obliquity sensor (4-2) outfan and rotary angle transmitter (4-3) outfan，Described first stepping motor module includes the first stepping motor drive module (9-1) and the first motor (9-2) connected with the first stepping motor drive module (9-1) outfan，Described second stepping motor module includes the second stepping motor drive module (10-1) and the second motor (10-2) connected with the second stepping motor drive module (10-1) outfan；Described heating module includes relay (6-1) and connects with relay (6-1) outfan and for eliminating the heating wire (6-2) of headlight for vehicles fog, described radiating module includes motor drive module (7-1) and connects with motor drive module (7-1) outfan and for reducing the fan (7-2) of headlight for vehicles temperature, the outfan of described photosensitive sensor (3) and the outfan of A/D change-over circuit (4-4) all connect with the input of single-chip microcomputer (1), the input of described first stepping motor drive module (9-1), the input of the second stepping motor drive module (10-1), the input of relay (6-1) and the input of motor drive module (7-1) all connect with the outfan of single-chip microcomputer (1).
2. a kind of car headlight control device described in claim 1, it is characterised in that: described Temperature Humidity Sensor (2) includes Digital temperature & humidity sensor SHT11, and described photosensitive sensor (3) includes photosensitive sensor WI82090.
3. a kind of car headlight control device described in claim 1, it is characterised in that: described velocity measuring module (4-1) includes photoelectric code disk, and described A/D change-over circuit (4-4) includes chip ADS7844.
4. a kind of car headlight control device described in claim 1, it is characterised in that: described obliquity sensor (4-2) includes obliquity sensor N1000060, and described rotary angle transmitter (4-3) includes rotary angle transmitter G85.
5. a kind of car headlight control device described in claim 1, it is characterised in that: described first motor (9-2) includes the motor M1 that model is 42BYG450-34.
6. a kind of car headlight control device described in claim 1, it is characterised in that: described second motor (10-2) includes the motor M2 that model is 42BYG450-34.
null7. a kind of car headlight control device described in claim 5，It is characterized in that: described first stepping motor drive module (9-1) includes the chip U1 that model is ULN2003A，1st pin of described chip U1，2nd pin，3rd pin and the 4th pin all connect with single-chip microcomputer (1)，16th pin of described chip U1 connects with one end of motor M1 the first winding，13rd pin of described chip U1 connects with the other end of motor M1 the first winding，14th pin of described chip U1 connects with one end of motor M1 the second winding，15th pin of described chip U1 connects with the other end of motor M1 the second winding，9th pin of described chip U1 connects with 5V power output end，The common port of described motor M1 the first winding and the common port of motor M1 the second winding all connect with 12V power output end.
null8. a kind of car headlight control device described in claim 6，It is characterized in that: described second stepping motor drive module (10-1) includes the chip U2 that model is ULN2003A，1st pin of described chip U2，2nd pin，3rd pin and the 4th pin all connect with single-chip microcomputer (1)，16th pin of described chip U2 connects with one end of motor M2 the first winding，13rd pin of described chip U2 connects with the other end of motor M2 the first winding，14th pin of described chip U2 connects with one end of motor M2 the second winding，15th pin of described chip U2 connects with the other end of motor M2 the second winding，9th pin of described chip U2 connects with 5V power output end，The common port of described motor M2 the first winding and the common port of motor M2 the second winding all connect with 12V power output end.
9. a kind of car headlight control device described in claim 1, it is characterized in that: described LED lamp drive circuit (8) includes chip LTC3783,1st pin of described chip LTC3783 divides two-way, and a road is through resistance R11 ground connection, and another road connects with the source electrode of NMOS tube Q2；7th pin of chip LTC3783 connects with single-chip microcomputer (1), 8th pin of chip LTC3783 connects with the grid of NMOS tube Q2,9th pin of chip LTC3783 connects with the grid of NMOS tube Q1,11st pin of chip LTC3783 divides three tunnels, one tunnel connects with 12V power output end, another road connects with one end of inductance L2, and the 3rd tunnel is through electric capacity C10 ground connection；The other end of described inductance L2 divides two-way, and a road connects with the drain electrode of NMOS tube Q1, and another road connects with the anode of commutation diode D1；12nd pin of chip LTC3783 connects with one end of resistance R9, and the other end of described resistance R9 divides two-way, and a road connects with the source electrode of NMOS tube Q1, another road ground connection；14th pin of chip LTC3783 divides two-way, and a road connects with swept resistance R4 fixing end, and another road connects through the negative electrode of resistance R7 with commutation diode D1, and the 3rd tunnel is a signal output part of LED lamp drive circuit (8)；The sliding end of described swept resistance R4 and another equal ground connection of fixing end of swept resistance R4, the drain electrode of described NMOS tube Q2 is another signal output part of LED lamp drive circuit (8).
10. a kind of car headlight control device described in claim 1, it is characterized in that: described voice alarm circuit (11) includes chip I SD2560 and speaker LS1, 1st pin of described chip I SD2560, 2nd pin, 3rd pin, 4th pin, 5th pin, 6th pin, 7th pin, 8th pin, 9th pin, 10th pin, 23rd pin, 24th pin, 25th pin and the 27th pin all connect with single-chip microcomputer (1), 14th pin of chip I SD2560 connects with one end of speaker LS1, 15th pin of chip I SD2560 connects with the other end of speaker LS1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620143446.4U CN205378300U (en) | 2016-02-25 | 2016-02-25 | Vehicle headlamp control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620143446.4U CN205378300U (en) | 2016-02-25 | 2016-02-25 | Vehicle headlamp control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205378300U true CN205378300U (en) | 2016-07-06 |
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ID=56271152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620143446.4U Expired - Fee Related CN205378300U (en) | 2016-02-25 | 2016-02-25 | Vehicle headlamp control device |
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| Country | Link |
|---|---|
| CN (1) | CN205378300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489936A (en) * | 2017-09-11 | 2017-12-19 | 芜湖凡达机械科技有限公司 | A kind of underground lamp to be radiated using airflow circulating |
| CN108696803A (en) * | 2017-03-30 | 2018-10-23 | 株式会社美姿把 | loudspeaker device |
-
2016
- 2016-02-25 CN CN201620143446.4U patent/CN205378300U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696803A (en) * | 2017-03-30 | 2018-10-23 | 株式会社美姿把 | loudspeaker device |
| CN107489936A (en) * | 2017-09-11 | 2017-12-19 | 芜湖凡达机械科技有限公司 | A kind of underground lamp to be radiated using airflow circulating |
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