CN209454634U - A kind of automobile dimming-distance light self-checking device - Google Patents
A kind of automobile dimming-distance light self-checking device Download PDFInfo
- Publication number
- CN209454634U CN209454634U CN201821022597.XU CN201821022597U CN209454634U CN 209454634 U CN209454634 U CN 209454634U CN 201821022597 U CN201821022597 U CN 201821022597U CN 209454634 U CN209454634 U CN 209454634U
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- light
- chip microcontroller
- phototriode
- distance
- signal
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- 238000009413 insulation Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 241000048567 Pogonias cromis Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model discloses a kind of automobile dimming-distance light self-checking devices, and including the photosensitive system being made of multiple phototriodes, the photosensitive system is connect with single-chip microcontroller, and the single-chip microcontroller is connect with distance-light switching module；Phototriode is used to perceive the light signal to always vehicle, and the single-chip microcontroller is used to acquire the current signal of multiple phototriodes respectively to judge the light signal to always vehicle to control distance-light switching module switching light.Utility model has the advantages that carrying out the acquisition of high beam using phototriode, structure is simple, cost of implementation is low, realizes convenient for promoting；Far and near light can be switched by Automatic control of single chip microcomputer, influenced caused by reducing high beam in meeting.
Description
Technical field
The utility model relates to car bulbs to adjust field, in particular to a kind of distance-light self-checking device.
Background technique
If night automobile is switched to dipped beam in meeting not in time, forceful rays can make opposite vehicle that can not see clearly
Road, Yi Fasheng traffic accident.The country for the solution of light problem be exactly in the road between to install a row additional two meters high
Light insulation pad or plant guarantee that the light in this lane will not impact the automobile of Facing Movement, but due to China's road network
Network is very flourishing and complicated, so this method is only carried out on a highway, for the especially more old-national road in intersection
The method does not simultaneously have feasibility.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide distance light automatic adjustment dresses when a kind of meeting
It sets, for automatically adjusting far and near light.
To achieve the goals above, the technical solution adopted by the present invention are as follows: a kind of automobile dimming-distance light self-checking device, packet
The photosensitive system being made of multiple phototriodes is included, the photosensitive system is connect with single-chip microcontroller, the single-chip microcontroller and distance-light
Switching module connection；Phototriode is used to perceive the light signal to always vehicle, and the single-chip microcontroller is multiple for acquiring respectively
The current signal of phototriode come judge the light signal to always vehicle with control distance-light switching module switching light.
Phototriode is arranged on front windshield.
Set up separately in the base stage photographic department of triode and set cylindrical black bucket cover, bucket covers the base that one end covers on phototriode
Pole, the other end are sealed towards vehicle front and by convex lens.
One layer of thermal insulation layer is arranged in bucket cover lateral surface.
Phototriode base stage is connect with voltage source, and the input pin connection of emitter and single-chip microcontroller, emitter current exists
It is connected under the action of voltage source with collector, single-chip microcontroller pin obtains emitter level signal to judge far and near optical signal.
Single-chip microcontroller, photosensitive system are connected to power supply by switch module, provide power supply for its work.
The switch module is mechanical switch；Or electric-controlled switch, the single-chip microcontroller pass through the photosensitive biography that roof is arranged in
Sensor detects environment light, and the disconnection for the data control electric-controlled switch that the single-chip microcontroller is detected according to photosensitive sensor is closed.
The present invention has the advantages that carry out the acquisition of high beam using phototriode, structure is simple, cost of implementation
It is low, convenient for promote realize；Far and near light, shadow caused by reducing high beam in meeting can be switched by Automatic control of single chip microcomputer
It rings.
Detailed description of the invention
Below to each width attached drawing of description of the invention expression content and figure in label be briefly described:
Fig. 1 is the mechanism principle figure of the utility model；
Fig. 2 is the utility model phototriode line schematic diagram.
Specific embodiment
A specific embodiment of the invention is made further detailed below against attached drawing by the description to optimum embodiment
Thin explanation.
Such as Fig. 1, automobile dimming-distance light self-checking device is photosensitive including the photosensitive system being made of multiple phototriodes
System is connect with single-chip microcontroller, and single-chip microcontroller is connect with distance-light switching module；Phototriode is used to perceive the light to always vehicle
Signal, the single-chip microcontroller be used to acquire the current signals of multiple phototriodes respectively judge the light signal to always vehicle with
It controls distance-light switching module and switches light.Switching module is vehicle component itself or is controlled using ECU.
Phototriode is arranged on front windshield.Set up separately in the base stage photographic department of triode and sets cylindrical black bucket
Cover, bucket cover the base stage that one end covers on phototriode, and the other end is sealed towards vehicle front and by convex lens.Bucket cover lateral surface
One layer of thermal insulation layer is set.Photosensitive part: this part by four phototriodes and convex lens group at.By four phototriodes point
It An Zhuan can be according to not adjusting actually to be arranged at the just corresponding preceding windshield of driver with windshield left-half
It is whole.With base stage be photosensitive part, and outside base stage install additional one to two centimeter length black drum, circle lead to additional thermal insulation layer,
Reduce influence of the temperature to triode, bucket is directed toward immediately ahead of automobile, and bung hole is sealed with convex lens, has ensured that driver institute is impacted
Light be light always vehicle caused by, and do not influenced by the various building light such as street lamp.
As shown in Fig. 2, power supply is by being light after Q2 for one of phototriode and single-chip microcontroller pin connection schematic diagram
Phototriode Q1 is connected in the offer base voltage of quick triode, passes through emitter after phototriode Q1 conducting
Connect with the pin of single-chip microcontroller, single-chip microcontroller obtains the voltage signal of emitter by pin, judges opposite direction with voltage signal
The distance light modulating signal for carrying out vehicle, when base stage is that photographic department timesharing triode only draws collector and emitter, the collection of four triodes
Electrode is simultaneously connected to circuit, and using 12V voltage source, each emitter connects a pin of 51 single-chip microcontrollers, when base stage is by illumination
When base stage can generate reverse current, when reverse current is sufficiently large circuit can become open circuit, be supplied to single-chip microcontroller as signal.
51 single-chip microcontrollers determine road lamplight status by the signal of circuital current, to control the conversion of far and near light.When acquisition four
A triode is as signal acquisition part timesharing, and when four pins are low level, single-chip microcontroller controls far and near light exchange, into
Row flashes three times, and final switch is placed at dipped headlight；When the branch of only two triodes in lower section is low level, single-chip microcontroller
Control switch is placed at dipped headlight；When four pins are high level, single-chip microcontroller control switch is placed at high beam.
Single-chip microcontroller, photosensitive system are connected to power supply by switch module, provide power supply for its work.Switch module is machinery
Switch；Or electric-controlled switch, single-chip microcontroller passes through the photosensitive sensor inspection that roof is arranged in when for electric-controlled switch (such as relay)
Environment light is surveyed, the disconnection for the data control electric-controlled switch that single-chip microcontroller is detected according to photosensitive sensor is closed.When for mechanical switch,
Driver's hand control switch closure, this device start power supply function, and due to the unusable high beam of road driving in city, this is opened
Switch can also be turned off manually, and no matter whether light is opened, this device does not act on, can accomplish to manually boot；Certainly it also mentions
For automatically controlling, if being belonged to by the ambient black that single-chip microcontroller acquires sky to determine whether driving a vehicle in night, control switch
Module for power supply, so that automatically switching lighting fixture starts work.
Obviously present invention specific implementation is not subject to the restrictions described above, as long as using method concept and skill of the invention
The improvement for the various unsubstantialities that art scheme carries out, it is within the scope of the present invention.
Claims (3)
1. a kind of automobile dimming-distance light self-checking device, it is characterised in that: including the photosensitive system being made of multiple phototriodes
System, the photosensitive system are connect with single-chip microcontroller, and the single-chip microcontroller is connect with distance-light switching module；Phototriode is for perceiving
To the light signal of always vehicle, the single-chip microcontroller is used to acquire the current signal of multiple phototriodes respectively to judge to always
The light signal of vehicle is to control distance-light switching module switching light；
Phototriode is arranged on front windshield；
Set up separately in the base stage photographic department of triode and set cylindrical black bucket cover, bucket covers the base stage that one end covers on phototriode, separately
It is sealed towards vehicle front and by convex lens one end；
One layer of thermal insulation layer is arranged in bucket cover lateral surface；
Phototriode base stage is connect with voltage source, and the input pin connection of emitter and single-chip microcontroller, emitter current is in voltage
It is connected under the action of source with collector, single-chip microcontroller pin obtains emitter level signal to judge far and near optical signal.
2. a kind of automobile dimming-distance light self-checking device as described in claim 1, it is characterised in that: single-chip microcontroller, photosensitive system
It is connected to power supply by switch module, provides power supply for its work.
3. a kind of automobile dimming-distance light self-checking device as claimed in claim 2, it is characterised in that: the switch module is machine
Tool switch；Or electric-controlled switch, the single-chip microcontroller pass through the photosensitive sensor detection environment light that roof is arranged in, the single-chip microcontroller
According to the disconnection closure of the data control electric-controlled switch of photosensitive sensor detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022597.XU CN209454634U (en) | 2018-06-29 | 2018-06-29 | A kind of automobile dimming-distance light self-checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022597.XU CN209454634U (en) | 2018-06-29 | 2018-06-29 | A kind of automobile dimming-distance light self-checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209454634U true CN209454634U (en) | 2019-10-01 |
Family
ID=68035566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821022597.XU Expired - Fee Related CN209454634U (en) | 2018-06-29 | 2018-06-29 | A kind of automobile dimming-distance light self-checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209454634U (en) |
-
2018
- 2018-06-29 CN CN201821022597.XU patent/CN209454634U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 |