CN103434440A - Automatic control of automotive headlights - Google Patents
Automatic control of automotive headlights Download PDFInfo
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- CN103434440A CN103434440A CN2013104414247A CN201310441424A CN103434440A CN 103434440 A CN103434440 A CN 103434440A CN 2013104414247 A CN2013104414247 A CN 2013104414247A CN 201310441424 A CN201310441424 A CN 201310441424A CN 103434440 A CN103434440 A CN 103434440A
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Abstract
The invention discloses automatic control of automotive headlights, belonging to the technical field of automotive light control technologies. Aiming at overcoming the defect in the prior art that the light of the automotive headlights cannot be automatically controlled, the invention takes measures of controlling the light of the automotive headlights according to a vehicle speed to achieve the purpose of automatically controlling high lights and low lights of the automotive headlights. According to the specific structure of the automatic control, the automotive headlights are connected with an automatic headlight control device which is connected with a vehicle speed sensor or connected with the vehicle speed sensor and manual switches for the high lights and the low lights. Therefore, the automatic control has the advantages that the automatic headlight control device can be used for automatically controlling the light of the automotive headlights according to different vehicle speed signals transmitted by the vehicle speed sensor, so as to realize the automatic control of the automotive headlights, so that the danger caused as a driver forgets to switch on the high lights and the low lights or is unwilling to switch on the high lights and the low lights is avoided, meanwhile the labor intensity of the driver is also alleviated, and help is provided for safe driving.
Description
Technical field
The invention belongs to a technical field of car bulb control technology.
Background technology
Headlight on automobile is that the important tool of necessary illumination is provided for night travel, and it plays an important role at the secure context that ensures night travel, so it is great on the impact of night travel safety.But on the other hand, if deal with improperly, Der Scheinwerfer mit FernlichtAbblendlichtStandlicht also can endanger the safety of night travel.It not is to paint an alarming picture of the situation just to scare the audience that the applicant says so.Have the people of night driving experience all to know, the light of the Der Scheinwerfer mit FernlichtAbblendlichtStandlicht on the lane of opposite is very large on the impact of the sight line of oneself, and it can irritate the eyes of oneself, makes pupil contraction, makes the road conditions around oneself not seeing at one's side.This situation is more serious when meeting.When two cars are met on road, although both sides' the speed of a motor vehicle has subtracted very lowly, if the other side does not play low lamp, one's own side is almost the road conditions that can't see own periphery clearly; Also having a kind of situation is automobile when turning, particularly during the sharply turning of minor radius.Due to the vapour walking is a camber line, and the light of headlight light is the tangent line of this camber line just, light projection on the ground is not on the camber line of walking that advances, and all away from the camber line advanced, so if automobile can not turn low lamp by high lamp in time when turning, be easy to make the driver not see and advance the road conditions of camber line.This situation when vehicle going at night be the sharply turning highway section of intermountain path the time, especially outstanding.Yet, be problematic in that the Der Scheinwerfer mit FernlichtAbblendlichtStandlicht under prior art has an obvious weak point, be exactly it high lamp, the conversion between low lamp must be by manual control.A lot of drivers do not play according to the rules low lamp when meeting and turning, and while causing automobile meeting or sharply turning, dangerous sign or phenomenon is grown wild.Tracing it to its cause, is that driver's awareness of safety is indifferent on the one hand, is that the driver is too lazy on the other hand, because meeting or turning are the things constantly occurred in the driving process, the driver is reluctant again and again to move for this reason.These factors have all been brought no small danger to the both sides of meeting.Visible, the light that can not automatically control as required Der Scheinwerfer mit FernlichtAbblendlichtStandlicht is the deficiency under prior art.
Summary of the invention
The deficiency that can not automatically control for the automobile headlamp light overcome under prior art.The present invention has taked to control according to the speed of a motor vehicle measure of automobile headlamp light, has realized the target that the high lamp of Der Scheinwerfer mit FernlichtAbblendlichtStandlicht, low lamp are controlled automatically.The mode that can reach this target is a lot, and their technical scheme can have different types and different combinations; Concrete structure of the present invention is: Der Scheinwerfer mit FernlichtAbblendlichtStandlicht connecting headlamp automatic control device, and the headlight automatic control device connects car speed sensor; Headlight automatic control device described here, refer to the vehicle speed signal that can transmit according to automotive speed sensor, controls the electronics package of automobile headlamp light.The form of headlight automatic control device is diversified, and they mainly can be divided into the three major types such as analog headlight automatic control device, digital headlight automatic control device, analog-and digital-hybrid headlight automatic control device.In this three major types circuit, different array configurations is arranged again separately, for example, for driving the large lamp drive circuit of headlight, some employing semiconductor devices, some employing relays etc.No matter what type and what form, they all are applicable to this programme and use.
The benefit of doing like this is: Der Scheinwerfer mit FernlichtAbblendlichtStandlicht connecting headlamp automatic control device, the headlight automatic control device connects car speed sensor or connects car speed sensor and manual high and low light switch.The signal of the different speed of a motor vehicle that the headlight automatic control device just can transmit according to car speed sensor, control the light of Der Scheinwerfer mit FernlichtAbblendlichtStandlicht automatically, realizes the automatic control of Der Scheinwerfer mit FernlichtAbblendlichtStandlicht.Avoided the busy note of driver to play the danger that high and low lamp brings with being unwilling to play high and low lamp, also alleviated driver's labour intensity, for safe driving provides help simultaneously.
The accompanying drawing explanation
Fig. 1, digital headlight automatic control device inner structure and connection speed sensor annexation figure.
Fig. 2, the annexation figure such as digital headlight automatic control device inner structure and connection speed sensor, manual dip switch.
Fig. 3, simulation headlight automatic control device inner structure and connection speed sensor annexation figure.
Fig. 4, the annexation figure such as simulation headlight automatic control device inner structure and connection speed sensor, manual dip switch.
The specific embodiment
The driving of automobile has everybody safety measure of all should honor keeping, and that is exactly at meeting and all should be decelerated under safe speed or the low speed of a motor vehicle while turning and travels, and at nighttime meeting with while turning, also will play low lamp.The effect of playing low lamp is the impact reduced the driver on the lane of opposite on the one hand, and another prior effect is in order to allow the driver can see oneself road conditions at one's side clearly, to be necessary so play low lamp.In addition, when automobile is wanted pulling over observing or berth, for reducing the impact on other automobiles, in order to see the road conditions of own periphery clearly, at this moment also should play low lamp simultaneously.Obviously, play low lamp, with car retardation to safe speed or the low speed of a motor vehicle, identical reason is arranged.That is to say, be exactly that when will play low lamp, this just provides foundation for the automatic control that realizes headlight, the operability reason when needing to slow down.This programme utilizes car retardation to " safe speed " or " the low speed of a motor vehicle " the control foundation as high and low lamp exactly; Can realize according to the speed of a motor vehicle, the technical scheme of automatically controlling automobile headlamp light is a lot.This case is mainly to have taked by the headlight automatic control device, according to the filament of diverse location or bulb (being high lamp or the low lamp) mode of lighting of diverse location in speed of a motor vehicle control headlight, realizes the automatic control of headlight light; Headlight automatic control device described here, refer to the signal that can transmit according to speed sensor in automobile, lights the electronics package of the bulb of the filament of diverse location in headlight or diverse location.The form of headlight automatic control device is diversified, and they mainly are divided into analog headlight automatic control device, digital headlight automatic control device and the three major types such as simulation, digital mixed headlight automatic control device.In this three classes circuit, different array configurations is arranged again separately, for example, for driving the large lamp drive circuit of headlight, some employing semiconductor devices, some employing relays etc.No matter what type and what form, they all are applicable to this programme and use; Car speed sensor is prior art, and its effect is that the speed of a motor vehicle is changed into to electric signal.Because the present invention does not have special requirement to car speed sensor, so, existing or in the future in technology, as long as all types of car speed sensors that can change the speed of a motor vehicle into electric signal have applicable this programme to use; In the situation that large lamp assembly is motionless, change the center line of headlight light and the angle on ground (being high and low lamp), key is to control the filament of diverse location or lighting of bulb.The bulb that filament by many vertical arrangements forms is housed in Der Scheinwerfer mit FernlichtAbblendlichtStandlicht, each filament or each bulb are equivalent to a light source, because they are vertical arrangements, so, when the different light source in these positions is lighted respectively, produced different angle of incidence with respect to reflection shield.Different angle of incidence can produce different angle of reflections, so just can change the angle of light center line direction perpendicular to the ground as long as light different filaments, changes light projection position on the ground, has also changed high and low lamp.
Numeral headlight automatic control device mainly consists of large lamp drive circuit, single board computer (SBC) etc., its version mainly contains, headlight connecting headlamp driving circuit, large lamp drive circuit connecting single board machine, single board computer (SBC) connects car speed sensor or connects car speed sensor and manual high and low light switch.Single board computer (SBC) is built-in " safe speed " or data such as " the low speed of a motor vehicle ", as the control foundation of high and low lamp.Veneer carries out computing by blas after receiving the signal that car speed sensor transmits, and then according to operation result, by large lamp drive circuit, drives filament or the bulb (high lamp or low lamp) of diverse location to light, and realizes the automatic control of high and low lamp; When single board computer (SBC) connection car speed sensor connects manual high and low light switch simultaneously, can increase manual control function.The suitable software of revising single board computer (SBC) just can realize, when the speed of a motor vehicle during higher than " safe speed " or " the low speed of a motor vehicle ", by manual high and low light switch control headlight, at this moment manual priority.When the speed of a motor vehicle during lower than " safe speed " or " low the speed of a motor vehicle ", veneer press blas bright low lamp only automatically, automatically controls preferentially.So just realized the another kind of form of the automatic control of Der Scheinwerfer mit FernlichtAbblendlichtStandlicht.
Simulation headlight automatic control device mainly consists of large lamp drive circuit, comparator circuit etc., its version mainly contains, headlight connecting headlamp driving circuit, large lamp drive circuit connects comparator, comparator connects car speed sensor and potential device, or comparator connects car speed sensor, potential device and manual high and low light switch.Potential device is for setting a VREF (Voltage Reference), and this voltage is during corresponding to " safe speed " or " low the speed of a motor vehicle ", the output voltage of car speed sensor.This voltage is just as automatically beating high and low lamp demarcation line.From car speed sensor, transmit, the voltage signal be directly proportional with the speed of a motor vehicle is delivered to comparator and is compared together with the voltage of being set by potential device, when the signal voltage of car speed sensor during lower than VREF (Voltage Reference), comparator is by large lamp drive circuit, drive filament or the bulb of low lamp to light, when the signal voltage of car speed sensor, during higher than VREF (Voltage Reference), comparator is by large lamp drive circuit, drive filament or the bulb of high lamp to light, realize the automatic control of high and low lamp; When comparator connection car speed sensor, potential device connect manual high and low light switch simultaneously, can increase manual function like this.During higher than " safe speed " or " low the speed of a motor vehicle ", by manual high and low light switch, control headlight, at this moment manual priority when the speed of a motor vehicle.When the speed of a motor vehicle, during lower than " safe speed " or " low the speed of a motor vehicle ", the comparator volitional check is bright low lamp only, automatically controls preferential.So just realized the another kind of form of the automatic control of Der Scheinwerfer mit FernlichtAbblendlichtStandlicht.
Realizing that the high and low lamp of Der Scheinwerfer mit FernlichtAbblendlichtStandlicht controls automatically, also have a class array mode, is exactly the MCU(single board computer (SBC) by automobile) control.Automobile MCU is more with better function than general single board computer (SBC), as long as increase the headlight control program in its software programming, connecting headlamp driving circuit and car speed sensor on hardware, just can realize the function in above-described embodiment.The concrete structure of this headlight automatic control device is: Der Scheinwerfer mit FernlichtAbblendlichtStandlicht connecting headlamp actuator, large lamp driver connects automobile MCU(single board computer (SBC)), MCU connects car speed sensor or connects car speed sensor and manual high and low light switch.
Claims (2)
1. the automatic control of Der Scheinwerfer mit FernlichtAbblendlichtStandlicht, mainly comprise headlight automatic control device and car speed sensor, it is characterized in that: Der Scheinwerfer mit FernlichtAbblendlichtStandlicht connecting headlamp automatic control device, the headlight automatic control device connects car speed sensor.
2. the automatic control of Der Scheinwerfer mit FernlichtAbblendlichtStandlicht according to claim 1 is further characterized in that: the headlight automatic control device connects car speed sensor and manual dip switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104414247A CN103434440A (en) | 2013-09-25 | 2013-09-25 | Automatic control of automotive headlights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104414247A CN103434440A (en) | 2013-09-25 | 2013-09-25 | Automatic control of automotive headlights |
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| CN103434440A true CN103434440A (en) | 2013-12-11 |
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| CN2013104414247A Withdrawn CN103434440A (en) | 2013-09-25 | 2013-09-25 | Automatic control of automotive headlights |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101049808A (en) * | 2007-03-12 | 2007-10-10 | 上海小糸车灯有限公司 | Self-adaptive control device for head light of auto car |
| CN101108598A (en) * | 2006-07-19 | 2008-01-23 | 财团法人车辆研究测试中心 | Control device of automatic adjusting height of headlight for vehicle |
| EP2399774A2 (en) * | 2010-06-28 | 2011-12-28 | Koito Manufacturing Co., Ltd. | Control apparatus for vehicle lamp, vehicle lighting system, and vehicle lamp |
| CN202243153U (en) * | 2011-10-26 | 2012-05-30 | 长安大学 | Automatic car high-beam low-beam lamp switching device |
-
2013
- 2013-09-25 CN CN2013104414247A patent/CN103434440A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101108598A (en) * | 2006-07-19 | 2008-01-23 | 财团法人车辆研究测试中心 | Control device of automatic adjusting height of headlight for vehicle |
| CN101049808A (en) * | 2007-03-12 | 2007-10-10 | 上海小糸车灯有限公司 | Self-adaptive control device for head light of auto car |
| EP2399774A2 (en) * | 2010-06-28 | 2011-12-28 | Koito Manufacturing Co., Ltd. | Control apparatus for vehicle lamp, vehicle lighting system, and vehicle lamp |
| CN202243153U (en) * | 2011-10-26 | 2012-05-30 | 长安大学 | Automatic car high-beam low-beam lamp switching device |
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Application publication date: 20131211 |