CN105015406A - System for adaptively switching high and low beam lights - Google Patents
System for adaptively switching high and low beam lights Download PDFInfo
- Publication number
- CN105015406A CN105015406A CN201510443493.0A CN201510443493A CN105015406A CN 105015406 A CN105015406 A CN 105015406A CN 201510443493 A CN201510443493 A CN 201510443493A CN 105015406 A CN105015406 A CN 105015406A
- Authority
- CN
- China
- Prior art keywords
- long
- vehicle
- short distant
- distant light
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a system for adaptively switching high and low beam lights, and the system comprises a speed sensor, a distance collection module, a control module, and a high and low beam light switching module, wherein the control module is respectively in electrical connection with the speed sensor, the distance collection module and the high and low beam light switching module. The speed sensor is disposed on a vehicle body, and is used for sensing the running speed of a vehicle. The distance collection module is disposed in the front of the vehicle, and is used for collecting the distance from the vehicle to a front barrier in a preset collection period. The high and low beam light switching module is used for switching the high and low beam lights. The control module is used for controlling the high and low beam light switching module to switch the high and low beam lights according to the running speed of the vehicle and the information collected by the distance collection module. The system is simple in structure, is convenient to use, can adaptively switch the high and low beam lights, prevents a driver from forgetting switching, and guarantees the driving safety.
Description
Technical field
The present invention relates to vehicle electric field, particularly relate to a kind of long-and-short distant light self adaptation switched system.
Background technology
Vehicle electronics is the general name of car body electronic control device for vehicle and vehicular automotive electronic control setup.Car body electronic control device for vehicle, comprises engine management system, chassis control system and electrical control unit system (body electronics ECU).The most notable feature of vehicle electronics advances to control systemization, with the electric-control system of sensor, microprocessor MPU, actr, tens of even up to a hundred electronic devices and components and parts thereof composition, just obtaining market extremely widely.
Automotive circuit diagram is considered to the revolution in automotive technology development process, and the degree of automotive circuit diagram is counted as the important symbol weighing modern automobile level, is used to develop new model, improves the most important technical measures of automotive performance.Automaker thinks that the quantity of increase vehicle electronics, promotion automotive circuit diagram are the important effective means capturing future automobile market.
According to statistics, from 1989 to 2000, the ratio that on average on each car, electronics package is shared in whole Automobile manufacturing cost increases to more than 23% by 16%.On some Pullman saloons, use the quantity of one chip microcomputer to reach 48, electronic product accounts for more than 50% of integral vehicle cost, and the application of current Eltec has almost been deep into all systems of automobile.
Divide according on the impact of running car performance effect, automobile electronics can be summarized as two classes: a class is electronic control device for vehicle, electronic control device for vehicle will carry out with the use of, the i.e. auto electroincs of so-called " electric-mechanic control system " with mechanical system on car; They comprise driving engine, chassis, electrical control unit.Such as Jetronic, braking anti-lock control, anti-sliding control, polling power controlling, Electronic control suspension, electronic automatic transmission, electrical power steering etc., another kind of is vehicular automotive electronic device, vehicular automotive electronic device is the electronics package that can independently use under automotive environment, and it there is no direct relation with the performance of automobile itself.They comprise vehicle information system (car running computer), navigationsystem, auto audio equipment and tv entertainment system, Vehicular communication system, equipment for surfing the net etc.
The market in vehicle electronics future more trends towards safety, from the demand in market can find out people for the driving technique of safety and the attention rate of product very high.Achieve great progress in passive security technology---namely when automobile collides for driver and passenger provide technology and the product of protection; as the products such as crash sensor, air bag, safety strap, follow-up steering structure and metal sheet collision district and technology have saved the life of many people in automobile collision accident, and decrease personnel's injury.But the latest development direction is active safety, by adopting the technology such as radar, optics and ultrasonic transduter, the Distance geometry of measured automobiles and surrounding objects is close to speed during object.These data can be used for reminding driver to control the drive speed of automobile, avoid contingent collision accident.This information also can be used for control brake or steering swivel system, with automatic collision free.This collision avoidance system can reduce the expensive cost of global accident rate and car accedent.
Existing automobile does not generally have distance-light self adaptation switched system, and need manual switchover, sometimes meeting driver can forget country beam to switch to passing light, makes the other side not see Chu and then result in an automobile accident.
Summary of the invention
Technical matters to be solved by this invention is for defect involved in background technology, provides a kind of long-and-short distant light self adaptation switched system.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of long-and-short distant light self adaptation switched system, comprises speed sensor, distance acquisition module, control module and long-and-short distant light handover module, and described control module is electrically connected with speed sensor, distance acquisition module, long-and-short distant light handover module respectively;
Described speed sensor is arranged on car body, for the moving velocity of sense vehicle;
Described distance acquisition module is arranged on vehicle front, the distance between the collection period collection vehicle preset for basis and preceding object thing;
Described long-and-short distant light handover module is used for switching the long-and-short distant light of vehicle;
Described control module is used for controlling long-and-short distant light handover module according to the moving velocity of vehicle and the information of distance acquisition module collection and switches long-and-short distant light.
As the further prioritization scheme of a kind of long-and-short distant light self adaptation switched system of the present invention, the treater of described control module adopts AVR series monolithic.
As the further prioritization scheme of a kind of long-and-short distant light self adaptation switched system of the present invention, the treater of described control module adopts Atmega168PA micro controller system.
As the further prioritization scheme of a kind of long-and-short distant light self adaptation switched system of the present invention, described speed sensor adopts Hall element.
As the further prioritization scheme of a kind of long-and-short distant light self adaptation switched system of the present invention, described distance acquisition module adopts supersonic range finder.
In the present invention, the algorithm of control module is as follows:
Step 1), obtains the moving velocity of vehicle according to speed sensor;
Step 2), according to vehicle in the distance in current collection period between vehicle and obstacle, a upper collection period and distance between obstacle and the collection period that presets calculate relative velocity between vehicle and obstacle;
Step 3), by step 2) in relative velocity and moving velocity in step 1) compare;
Step 3.1), if described relative velocity is greater than described moving velocity, the distance in current collection period between vehicle and obstacle and the distance threshold preset are compared;
Step 3.1.1), if the distance in current collection period between vehicle and obstacle is greater than the distance threshold preset, switch to country beam;
Step 3.1.2), if the distance in current collection period between vehicle and obstacle is less than or equal to the distance threshold preset, switch to passing light;
Step 3.2), if described relative velocity is less than or equal to described moving velocity, calculate the speed of obstacle according to described relative velocity and described moving velocity, and the speed of obstacle and the threshold speed preset are compared;
Step 3.2.1), if the speed of obstacle is less than or equal to default threshold speed, switch to passing light;
Step 3.2.2), if the speed of obstacle is greater than default threshold speed, the distance in current collection period between vehicle and obstacle and the distance threshold preset are compared;
Step 3.2.2.1), if if the distance in current collection period between vehicle and obstacle is greater than the distance threshold preset, switch to country beam;
Step 3.2.2.2), if the distance in current collection period between vehicle and obstacle is less than or equal to the distance threshold preset, switch to passing light.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1. structure is simple, easy to use;
2. self adaptation switches long-and-short distant light, prevents driver from forgetting switching, ensures driving safety.
Detailed description of the invention
Below technical scheme of the present invention is described in further detail:
The invention discloses a kind of long-and-short distant light self adaptation switched system, comprise speed sensor, distance acquisition module, control module and long-and-short distant light handover module, described control module is electrically connected with speed sensor, distance acquisition module, long-and-short distant light handover module respectively;
Described speed sensor is arranged on car body, for the moving velocity of sense vehicle;
Described distance acquisition module is arranged on vehicle front, the distance between the collection period collection vehicle preset for basis and preceding object thing;
Described long-and-short distant light handover module is used for switching the long-and-short distant light of vehicle;
Described control module is used for controlling long-and-short distant light handover module according to the moving velocity of vehicle and the information of distance acquisition module collection and switches long-and-short distant light.
The treater of described control module adopts AVR series monolithic, preferential employing Atmega168PA micro controller system.
Described speed sensor adopts Hall element.
Described distance acquisition module adopts supersonic range finder.
In the present invention, the algorithm of control module is as follows:
Step 1), obtains the moving velocity of vehicle according to speed sensor;
Step 2), according to vehicle in the distance in current collection period between vehicle and obstacle, a upper collection period and distance between obstacle and the collection period that presets calculate relative velocity between vehicle and obstacle;
Step 3), by step 2) in relative velocity and moving velocity in step 1) compare;
Step 3.1), if described relative velocity is greater than described moving velocity, the distance in current collection period between vehicle and obstacle and the distance threshold preset are compared;
Step 3.1.1), if the distance in current collection period between vehicle and obstacle is greater than the distance threshold preset, switch to country beam;
Step 3.1.2), if the distance in current collection period between vehicle and obstacle is less than or equal to the distance threshold preset, switch to passing light;
Step 3.2), if described relative velocity is less than or equal to described moving velocity, calculate the speed of obstacle according to described relative velocity and described moving velocity, and the speed of obstacle and the threshold speed preset are compared;
Step 3.2.1), if the speed of obstacle is less than or equal to default threshold speed, switch to passing light;
Step 3.2.2), if the speed of obstacle is greater than default threshold speed, the distance in current collection period between vehicle and obstacle and the distance threshold preset are compared;
Step 3.2.2.1), if if the distance in current collection period between vehicle and obstacle is greater than the distance threshold preset, switch to country beam;
Step 3.2.2.2), if the distance in current collection period between vehicle and obstacle is less than or equal to the distance threshold preset, switch to passing light.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a long-and-short distant light self adaptation switched system, it is characterized in that, comprise speed sensor, distance acquisition module, control module and long-and-short distant light handover module, described control module is electrically connected with speed sensor, distance acquisition module, long-and-short distant light handover module respectively;
Described speed sensor is arranged on car body, for the moving velocity of sense vehicle;
Described distance acquisition module is arranged on vehicle front, the distance between the collection period collection vehicle preset for basis and preceding object thing;
Described long-and-short distant light handover module is used for switching the long-and-short distant light of vehicle;
Described control module is used for controlling long-and-short distant light handover module according to the moving velocity of vehicle and the information of distance acquisition module collection and switches long-and-short distant light.
2. long-and-short distant light self adaptation switched system according to claim 1, is characterized in that, the treater of described control module adopts AVR series monolithic.
3. long-and-short distant light self adaptation switched system according to claim 2, is characterized in that, the treater of described control module adopts Atmega168PA micro controller system.
4. long-and-short distant light self adaptation switched system according to claim 1, is characterized in that, described speed sensor adopts Hall element.
5. long-and-short distant light self adaptation switched system according to claim 1, is characterized in that, described distance acquisition module adopts supersonic range finder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510443493.0A CN105015406A (en) | 2015-07-27 | 2015-07-27 | System for adaptively switching high and low beam lights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510443493.0A CN105015406A (en) | 2015-07-27 | 2015-07-27 | System for adaptively switching high and low beam lights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105015406A true CN105015406A (en) | 2015-11-04 |
Family
ID=54405835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510443493.0A Pending CN105015406A (en) | 2015-07-27 | 2015-07-27 | System for adaptively switching high and low beam lights |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105015406A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275065A (en) * | 2017-01-05 | 2018-07-13 | 常州星宇车灯股份有限公司 | A kind of adaptive front lamp light type switching module based on Hall sensor |
| CN109795400A (en) * | 2019-01-21 | 2019-05-24 | 山东交通学院 | A kind of headlight for vehicle lamp intelligent stepless regulation device and regulation method |
| CN113335179A (en) * | 2021-07-05 | 2021-09-03 | 河南理工大学 | Automatic control device and method for night high beam |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010155489A (en) * | 2008-12-26 | 2010-07-15 | Toyota Motor Corp | Vehicular lighting device |
| CN202429114U (en) * | 2011-12-20 | 2012-09-12 | 长安大学 | Night meeting light assist control device based on singlechip |
| CN202923476U (en) * | 2012-10-31 | 2013-05-08 | 长安大学 | Automatic switching device for distance light and passing light during night driving |
| CN203995918U (en) * | 2014-07-02 | 2014-12-10 | 屠珂欣 | A kind of automobile dimming-distance light automatic switching control equipment |
| CN204279215U (en) * | 2014-11-28 | 2015-04-22 | 长安大学 | A kind of car bulb adaptive controller based on CAN |
| CN104648229A (en) * | 2013-11-25 | 2015-05-27 | 常州市飞拓模塑有限公司 | Automatic high and low light switching device for automobile |
-
2015
- 2015-07-27 CN CN201510443493.0A patent/CN105015406A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010155489A (en) * | 2008-12-26 | 2010-07-15 | Toyota Motor Corp | Vehicular lighting device |
| CN202429114U (en) * | 2011-12-20 | 2012-09-12 | 长安大学 | Night meeting light assist control device based on singlechip |
| CN202923476U (en) * | 2012-10-31 | 2013-05-08 | 长安大学 | Automatic switching device for distance light and passing light during night driving |
| CN104648229A (en) * | 2013-11-25 | 2015-05-27 | 常州市飞拓模塑有限公司 | Automatic high and low light switching device for automobile |
| CN203995918U (en) * | 2014-07-02 | 2014-12-10 | 屠珂欣 | A kind of automobile dimming-distance light automatic switching control equipment |
| CN204279215U (en) * | 2014-11-28 | 2015-04-22 | 长安大学 | A kind of car bulb adaptive controller based on CAN |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275065A (en) * | 2017-01-05 | 2018-07-13 | 常州星宇车灯股份有限公司 | A kind of adaptive front lamp light type switching module based on Hall sensor |
| CN109795400A (en) * | 2019-01-21 | 2019-05-24 | 山东交通学院 | A kind of headlight for vehicle lamp intelligent stepless regulation device and regulation method |
| CN109795400B (en) * | 2019-01-21 | 2020-05-22 | 山东交通学院 | Intelligent stepless regulation and control device and method for far and near lamps of vehicle |
| CN113335179A (en) * | 2021-07-05 | 2021-09-03 | 河南理工大学 | Automatic control device and method for night high beam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105015520A (en) | Anti-collision system for automobile | |
| CN104999983A (en) | Anti-collision method of automobile | |
| CN104590250B (en) | The autonomous DAS (Driver Assistant System) of vehicle and method | |
| US9014915B2 (en) | Active safety control for vehicles | |
| CN110155045A (en) | A kind of vehicle promptly accelerates Self-Protection Subsystem and its self-protection method | |
| CN103065501B (en) | Automobile lane changing early-warning method and lane changing early-warning system | |
| US20170225689A1 (en) | Vehicle, vehicle controller, vehicle control method, and medium storing vehicle control program | |
| US8731742B2 (en) | Target vehicle movement classification | |
| CN102069800B (en) | Vehicle running control method and control device | |
| CN202624201U (en) | Pedestrian detection intelligent control device for automobile | |
| CN107264524B (en) | Intelligent lane changing auxiliary system and intelligent lane changing auxiliary method based on data fusion | |
| CN107458376A (en) | A kind of self-adapting cruise control method, device and automobile | |
| CN103587516A (en) | Vehicle tire burst classifying brake control device and control method | |
| CN105015406A (en) | System for adaptively switching high and low beam lights | |
| US11618380B2 (en) | Rear pre-crash safety system | |
| CN105139681A (en) | Automobile safe driving system | |
| CN205498764U (en) | Integrated rear portion initiative safety precaution's ADAS system based on vision | |
| CN105083189A (en) | Vehicle alarm method based on carbon dioxide induction and temperature induction | |
| CN115257614A (en) | Intelligent automobile's overall process collision safety control system and car | |
| CN104802757A (en) | Vehicle anti-theft device based on image analysis | |
| CN202847629U (en) | Automotive anti-collision system based on radar speed measurement | |
| CN104709158A (en) | Self-adaptive automobile headlamp | |
| CN105015405A (en) | Method for adaptively switching high and low beam lights | |
| CN203996230U (en) | A kind of self-adaption cruise system | |
| CN104875730A (en) | Vehicle automatic brake device and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151104 |
|
| RJ01 | Rejection of invention patent application after publication |