CN201571227U - Automatic dimming controller of head lamp of motor vehicle - Google Patents
Automatic dimming controller of head lamp of motor vehicle Download PDFInfo
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- CN201571227U CN201571227U CN2009201224803U CN200920122480U CN201571227U CN 201571227 U CN201571227 U CN 201571227U CN 2009201224803 U CN2009201224803 U CN 2009201224803U CN 200920122480 U CN200920122480 U CN 200920122480U CN 201571227 U CN201571227 U CN 201571227U
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- control relay
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Abstract
An automatic dimming controller of a head lamp of a motor vehicle comprises a light sensor capable of sensing light intensity in the front of the vehicle; an optical-electrical conversion circuit capable of outputting voltage control signals is connected at the rear part of the light sensor; a high beam/dipped headlight switching control relay is directly or indirectly connected at the rear part of the optical-electrical conversion circuit; the automatic dimming controller further comprises a power supply processing circuit suitable for various vehicle-mounted power supplies; a manually-preferred semiautomatic conversion switcher is connected between the optical-electrical conversion circuit and the control relay; and the power supply processing circuit can adopt an embedded three-terminal regulator which allows the power supply processing circuit to be universally applied to 12V, 36V and 48V vehicle-mounted power supplies through simple switching of an external interface of the controller. The automatic dimming controller has the characteristics of simple structure, low cost, and modularized design of the external interface, and is conveniently suitable for mounting or refitting various vehicles such as electric motorcars, motorcycles, automobiles and so on.
Description
Technical field
The utility model relates to a kind of motor road travel in the headlamp control device for automatic light change, a kind of by judging the variation of vehicle front illuminance, automatically the headlamp of control one's own side vehicle carries out the switching of far and near light, avoids causing control device dazzling and the raising driving safety to the other side driver.
Background technology
As one of vitals that ensures the motor vehicle safe operation, the effect of headlamp is most important.The control of present automotive headlight mainly still manually, when night during meeting, may be because driver's the carelessness or the rule that do not observe traffic laws, correctly do not switch far and near lamp timely, the result causes strong dazzle for the driver on opposite, and sight line is unclear, thereby causes the generation of accident.Therefore, some schemes that are used for the headlamp automatic beam change propose successively, but these schemes before making a general survey of, all exist some to hinder its real practical drawback, for example use photo resistance to make detector and cause delay of response, can frequently switch, not have eye-catching safety alarming and identifying, system complex cost high excessively fast at presence circle our controller.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and improves a kind of motor-driven vehicle going fail safe that can improve, and overcomes the automotive headlight automatic beam change controller of the deficiency of the above various controlling schemes existence.
The purpose of this utility model is finished by following technical solution, but it comprises the optical sensor of senses vehicle the place ahead luminous intensity, thereafter the photoelectric switching circuit that is connecting an exportable voltage control signal, this photoelectric switching circuit back is directly or indirectly connecting a control relay that carries out the switching of instant and near light lamp again; It is characterized in that described it also include a power supply processing circuit that is applicable to various vehicle powers; Between described photoelectric switching circuit and control relay, be connected to a manual preferential semiautomatic switcher.
Described power supply processing circuit is to be to make it be common to the built-in three terminal regulator of 12V, 36V, 48V vehicle power by the simple switching of controller external interface; Described semiautomatic switcher is that a transfer sequence from left to right is manual dipped beam, manual distance light and automatic catch successively, and keeps the manually preferential third gear switch of control at any time.
The LED flash of light caution drive circuit that the utility model starts when also including a built-in dipped headlights simultaneously; Described optical sensor is a use sensitivity and the higher silicon photocell of reaction speed.
Described control relay selects for use the filter capacitor of a suitable capacity in parallel with the relay inductance coil, and this control relay be one can rapidly high beam be switched to dipped headlights, the switching frequency of time-delay one second, controller was no more than 1Hz, LED flash of light warning circuit, suppresses frequent and switch and the high beam slow start circuit when dipped headlights switched to high beam.
Described control relay is equipped with outward and makes the user can make the LED interface of LED flash of light shape easily voluntarily.
The utility model compared with prior art has simple in structurely, and the modularized design of with low cost and external interface can make characteristics such as its installation that is applicable to various vehicles such as electric motor car, motorcycle, automobile easily or repacking.
The above advantageous characteristic feature that the utility model had, existing vehicle is not being done under any destructive situation of changing, controller is installed in the middle of the circuit easily, does not influence original manual controlled function simultaneously, become the intelligent controller of the support vehicles driving safety of a real practicality.
Description of drawings
Fig. 1 is construction unit figure of the present utility model.
Fig. 2 surveys and optical signal amplification circuit for silicon photocell.
Fig. 3 is change over switch and control relay circuit.
Fig. 4 is color LED flash of light caution drive circuit.
Fig. 5 is the controller housing vertical view.
Embodiment
But the utility model comprises the optical sensor of senses vehicle the place ahead luminous intensity, thereafter the photoelectric switching circuit that is connecting an exportable voltage control signal, this photoelectric switching circuit back is directly or indirectly connecting a control relay that carries out the switching of instant and near light lamp again; It is characterized in that described it also include a power supply processing circuit that is applicable to various vehicle powers; Between described photoelectric switching circuit and control relay, be connected to a manual preferential semiautomatic switcher.
Described power supply processing circuit is to be to make it be common to the built-in three terminal regulator of 12V, 36V, 48V vehicle power by the simple switching of controller external interface; Described semiautomatic switcher is that a transfer sequence from left to right is manual dipped beam, manual distance light and automatic catch successively, and keeps the manually preferential third gear switch of control at any time.
The LED flash of light caution drive circuit that the utility model starts when also including a built-in dipped headlights simultaneously; Described optical sensor is a use sensitivity and the higher silicon photocell of reaction speed.
Described control relay selects for use the filter capacitor of a suitable capacity in parallel with the relay inductance coil, and this control relay be one can rapidly high beam be switched to dipped headlights, the switching frequency of time-delay one second, controller was no more than 1Hz, LED flash of light warning circuit, suppresses frequent and switch and the high beam slow start circuit when dipped headlights switched to high beam.
Described control relay is equipped with outward and makes the user can make the LED interface of LED flash of light shape easily voluntarily.
Among Fig. 1, Fig. 5,1 is the third gear switch interface, and 2 is the input voltage switching interface, and 3 are the input power interface, and 4 is the long-and-short distant light interface, and 5 are flash of light caution LED interface.
The utility model uses sensitivity and the higher silicon photocell of reaction speed, can adapt to the speed of a motor vehicle promptly and accurately the variation of judgement luminous intensity under the situation faster; Silicon photocell output and the linear weak voltage signal of luminous intensity, output control voltage signal after amplifying circuit is handled; This voltage signal input third gear change over switch is as the control signal of change over switch automatic catch; Relay receives the control signal from change over switch, makes relay adhesive or release according to the residing at that time state of change over switch, thereby connects dipped headlights or high beam respectively; Can start color LED caution drive circuit when connecting dipped headlights and be used to remind passing driver, the user can design the shape of LED according to the personal like, and LED is connected on the corresponding external interface of controller gets final product; The power supply processing unit can be the required magnitude of voltage of controller with the power source conversion of all sizes such as 12V, 36V, 48V.
Shown in Figure 2, silicon photocell is installed in the black plastic shell, make its illumination in can only the about 90 ° of scopes in detection vehicle the place ahead, silicon photocell is installed in the place of the as far as possible close human eye in car light top together with shell, to try one's best near the observation angle of human eye, must use shielding conductor to be connected between silicon photocell and amplifying circuit, the shielding conductor covering needs good earth, avoids interference sneaking into of signal with this; The voltage signal that silicon photocell output is directly proportional with luminous intensity, but its magnitude of voltage is less, must be enlarged into VOUT to photronic output voltage through amplifying circuit, to drive subsequent conditioning circuit, wherein adjustable resistance R11 can be used for adjusting the optical detection threshold value, promptly when feeling dazzling luminous intensity controller is in time switched, this optical detection threshold value adjusted before product export is good.The clean degree of the sensitivity of photo-detector and detector surface also has relation in addition, so the cloche in photo-detector the place ahead needs frequent wiping.
Shown in Figure 3 is the core of controller, wherein prime output control signal VOUT is connected on transistor base through resistance R 8, transistor collector links to each other with third gear switch 2 pin, and third gear switch 3 pin are unsettled, 4 pin ground connection, public pin 1 link to each other with relay 1 pin, and relay 2 pin connect+5V.According to this kind method, it is automatic catch when linking to each other that third gear switch pushes 1,2 pin, when the light intensity value of vehicle front during greater than the presence dividing value that sets, the VOUT value enough can make the triode conducting greatly, thereby makes the relay adhesive, connects dipped headlights and LED warning circuit, promptly when send a car in the opposite, one's own side can switch to dipped headlights with headlamp rapidly, avoids causing to the other side dazzling, and starts the LED flasher circuit and reminds passing driver to note; And after the other side's vehicle was opened, detector sensed luminous intensity and dies down, and then the VOUT value diminishes, and triode is ended, and relay discharges, and makes dipped headlights switch to high beam.When third gear switch pushes 1,3 pin when linking to each other, unsettled because of 3 pin, the relay coil no-voltage then is manual distance light.When third gear switch pushes 1,4 pin when linking to each other, because of 4 pin ground connection, relay coil has electric current to pass through, and makes the relay adhesive, is manual dipped beam.Two gear switch on the existing vehicle can be directly replaced in the design of third gear switch, and do not influence original manual controlled function.Capacitor C 5 is for being connected in parallel on the electrochemical capacitor of the suitable capacity on the relay coil, and this design can realize: high beam can switch to dipped headlights rapidly, need delay time when dipped headlights switches to high beam 1 second, to reduce the misoperation of controller; The switching frequency of controller is no more than 1Hz, when ambient light intensity in critical value frequent variations or up and down because self car light is reflective during to detector, make relay be unlikely to high-speed switch and cause the headlamp stroboscopic, this will effectively prolong the useful life of controller and strengthen vehicle safety.
Fig. 4 is color LED flash of light caution drive circuit, when switching to dipped headlights, relay will connect drive circuit power supply VCC simultaneously, wherein 4 parallel connection LEDs in left side can be with blue, 4 parallel connection LEDs in right side can be with red, circuit is connected the back blueness and red LED will be luminous successively, its luminous interval can be adjusted by R3, R4, C6, C7, the user can design led color, quantity, arrangement mode and decorate the position according to the personal like voluntarily, only needs that two string LED are received the corresponding external interface of controller and gets final product.LED will glimmer during two car intersections, can make that the opposite driver is clearer to see the position of sending a car clearly, can remind the other side to improve awareness of safety simultaneously.
Fig. 5 is an automotive headlight automatic beam change controller housing vertical view, and interface 1 connects the third gear change over switch, and change over switch from left to right is followed successively by manual distance light, manual dipped beam and automatic catch; Interface 2 can be used for switching different electrical power, and controller can be used for 12V when connecting, and controller can be used for 36V or 48V when disconnecting; Interface 3 is a power input, only needs vehicle power is got final product according to the both positive and negative polarity access; Interface 4 is the headlamp interface, be followed successively by distance light+, dipped beam+and earth terminal, this controller can insert various headlamps such as LED, tungsten halogen lamp; Interface 5 is flash of light caution LED interface, and the user can insert two string LED in order and get final product, and is followed successively by LED1+, LED1-, LED2+, LED2-.Volume was small and exquisite after this controller assembling was finished, and each interface is external, becomes a convenient and practical automatic control function module.
The utility model is a transducer with highly sensitive silicon photocell, detect the car light brightness that night sends a car in the opposite, with the adjustable light intensity threshold value of linearity is the judgment standard point, control relay behind photoelectric switching circuit, can when meeting, switch the instant and near light lamp rapidly accurately, and the additional color LED flash of light alarming sign of startup is reminded passing driver when the dipped headlights state; Controller is furnished with the third gear change over switch, and the driver can switch to it manual state of a control at any time; Its succinct relay postpones to postpone 1 second when design can make dipped headlights switch to high beam, and makes the switching frequency of controller be no more than 1Hz, avoids near the light critical point and because the light reflection of self causes the frequent flicker of far and near light.
Claims (4)
1. automotive headlight automatic beam change controller, but it comprises the optical sensor of senses vehicle the place ahead luminous intensity, thereafter the photoelectric switching circuit that is connecting an exportable voltage control signal, this photoelectric switching circuit back is directly or indirectly connecting a control relay that carries out the switching of instant and near light lamp again; It is characterized in that described it also include a power supply processing circuit that is applicable to various vehicle powers; Between described photoelectric switching circuit and control relay, be connected to a manual semiautomatic switcher.
2. automotive headlight automatic beam change controller according to claim 1 is characterized in that described power supply processing circuit is is to make it be common to the built-in three terminal regulator of 12V, 36V, 48V vehicle power by the simple switching of controller external interface; Described semiautomatic switcher is that a transfer sequence from left to right is manual dipped beam, manual distance light and automatic catch successively, and keeps the manually third gear switch of control at any time.
3. automotive headlight automatic beam change controller according to claim 1 is characterized in that the LED flash of light caution drive circuit that it starts when also including a built-in dipped headlights simultaneously; Described optical sensor is a use sensitivity and the higher silicon photocell of reaction speed.
4. automotive headlight automatic beam change controller according to claim 1, it is characterized in that described control relay selects for use the filter capacitor of a suitable capacity in parallel with the relay inductance coil, and this control relay be one can rapidly high beam be switched to dipped headlights, the switching frequency of time-delay one second, controller was no more than 1Hz, LED flash of light warning circuit, suppresses frequent and switch and the high beam slow start circuit when dipped headlights switched to high beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201224803U CN201571227U (en) | 2009-06-12 | 2009-06-12 | Automatic dimming controller of head lamp of motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201224803U CN201571227U (en) | 2009-06-12 | 2009-06-12 | Automatic dimming controller of head lamp of motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201571227U true CN201571227U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201224803U Expired - Fee Related CN201571227U (en) | 2009-06-12 | 2009-06-12 | Automatic dimming controller of head lamp of motor vehicle |
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| CN (1) | CN201571227U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657943A (en) * | 2016-03-09 | 2016-06-08 | 中车青岛四方机车车辆股份有限公司 | Front combined lamp turn-on device used for motor train unit |
| CN105722279A (en) * | 2016-04-14 | 2016-06-29 | 海盐丽光电子科技有限公司 | Near-far light driving circuit for light emitting diode (LED) automobile lens |
| CN108263276A (en) * | 2017-12-01 | 2018-07-10 | 山东科技大学 | Vehicle safety caution system under the conditions of a kind of low visibility |
| CN110789440A (en) * | 2019-11-12 | 2020-02-14 | 江铃汽车股份有限公司 | Intelligent high beam function control method with driver intervention control function |
| CN112664917A (en) * | 2020-12-28 | 2021-04-16 | 江苏爱玛车业科技有限公司 | Intelligent automatic headlamp device for electric vehicle and implementation method thereof |
-
2009
- 2009-06-12 CN CN2009201224803U patent/CN201571227U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657943A (en) * | 2016-03-09 | 2016-06-08 | 中车青岛四方机车车辆股份有限公司 | Front combined lamp turn-on device used for motor train unit |
| CN105657943B (en) * | 2016-03-09 | 2018-10-02 | 中车青岛四方机车车辆股份有限公司 | A kind of EMU front combination lamp lamp device |
| CN105722279A (en) * | 2016-04-14 | 2016-06-29 | 海盐丽光电子科技有限公司 | Near-far light driving circuit for light emitting diode (LED) automobile lens |
| CN108263276A (en) * | 2017-12-01 | 2018-07-10 | 山东科技大学 | Vehicle safety caution system under the conditions of a kind of low visibility |
| CN108263276B (en) * | 2017-12-01 | 2021-05-14 | 山东科技大学 | Safety warning system for vehicle under low visibility condition |
| CN110789440A (en) * | 2019-11-12 | 2020-02-14 | 江铃汽车股份有限公司 | Intelligent high beam function control method with driver intervention control function |
| CN112664917A (en) * | 2020-12-28 | 2021-04-16 | 江苏爱玛车业科技有限公司 | Intelligent automatic headlamp device for electric vehicle and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20110612 |