CN2316183Y - Automatic dimmer for motor vehicle - Google Patents
Automatic dimmer for motor vehicle Download PDFInfo
- Publication number
- CN2316183Y CN2316183Y CN 97248650 CN97248650U CN2316183Y CN 2316183 Y CN2316183 Y CN 2316183Y CN 97248650 CN97248650 CN 97248650 CN 97248650 U CN97248650 U CN 97248650U CN 2316183 Y CN2316183 Y CN 2316183Y
- Authority
- CN
- China
- Prior art keywords
- relay
- time base
- base circuit
- utility
- model
- 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.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
An automatic dimmer for a motor vehicle relates to the improvement of the structure of the motor vehicle dimmer. The utility model discloses a time base circuit integrated package, its structural feature is that photo resistance, time base circuit integrated package, relay establish ties in proper order, and the relay links to each other with the distance light filament circuit of headlight, short-distance beam filament circuit respectively. The utility model discloses can become light automatically to have characteristics such as simple structure.
Description
The utility model is the improvement that belongs to self-propelled vehicle Dim Dimmer structure.
The headlight of self-propelled vehicle provides convenience for night running, but when meeting, feels dim-sighted before easily making driver eye, has influenced driver's normal driving.Base when though the manual change light of the self-propelled vehicle that has at present setting is changed, since various reasons such as operation inconvenience, the driver who has still constant light when meeting, so and the traffic accident of initiation is also had no lack of precedents.
The purpose of this utility model is exactly at the problems referred to above, but provide a kind of when meeting the self-propelled vehicle Dim Dimmer of automatic beam change.
The purpose of this utility model is achieved in that the utility model comprises the time base circuit integrated package, its structural feature is that photoconductive cell, time base circuit integrated package, relay are connected successively, and relay links to each other with distance light silk thread road, the dip filament circuit of headlight respectively.
Major advantage of the present utility model:
But 1 automatic beam change:
The utility model is provided with photoconductive cell, and the ambient light line strength with under the occasions such as this perception meeting sends signal then through time base circuit integrated package, relay, the headlight high beam filament of automatic guidance headlight, the break-make of dip filament, the safety when having guaranteed meeting;
2, simple in structure:
The primary member that the utility model adopts is photoconductive cell, time base circuit integrated package, relay, because assembly is few, integral structure is little, and is easy to make.Be easy to popularize.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an electrical block diagram of the present utility model.
Below in conjunction with accompanying drawing concrete structure of the present utility model is further described:
The utility model comprises the time base circuit ic chip, and photoconductive cell RG, time base circuit ic chip, relay J are connected successively, and relay J links to each other with headlight high beam filament circuit 3, the dip filament circuit 1 of headlight respectively.
For making the meeting following distance adjustable, can between photoconductive cell RG, time base circuit ic chip, be provided with potential device W.
Relay J is parallel with zener diode D, so that the stable performance of the control signal of output.
Capacitor C
2Can make the entire circuit increase-volume; Capacitor C
1, be worth resistance R partially and can make the increase-volume of time base circuit ic chip.
Photoconductive cell RG can adopt the 625-A type; The time base circuit ic chip can adopt NE555, and relay J can adopt JD1912A.
Be provided with wiring board 5, relay J in the housing 4 of the present utility model, power lead 2 is connected respectively with wiring board 5, relay J respectively.
Narrate a course of action of the present utility model below:
When the suffered illumination of photoconductive cell RG is dark, its resistance increases, photoconductive cell RG and potential device W dividing potential drop make the voltage of 2,6 pin of time base circuit ic chip be lower than 1/3 power line voltage, then time base circuit ic chip upset, its 3 pin output high level, it is moving that relay J obtains the electricity suction, and headlight high beam filament circuit 3 is connected, and then headlight sends distance light; During meeting, opposite car bulb irradiation (for example 50~100 meters in distance), photoconductive cell RG resistance reduces, then 2 of the time base circuit ic chip, 6 pin voltages are higher than 2/3 power line voltage, then 3 pin output low levels to relay J, relay J disconnect headlight high beam filament circuit 3, connect dip filament circuit 1, then car light light transfers dipped beam to by distance light.Behind the meeting, illumination is deepening again, and above-mentioned action Zhou Er renews and carries out, and has promptly reached automatic beam change, the safety when guaranteeing sub-meeting etc.
Claims (3)
1, the automatic dimmer of self-propelled vehicle comprises that time base circuit becomes piece IC, it is characterized in that photoconductive cell RG, time base circuit ic chip, relay J connect successively, and relay J links to each other with distance light silk thread road 3, the dip filament circuit 1 of headlight respectively.
2, the automatic dimmer of self-propelled vehicle according to claim 1 is characterized in that being provided with potential device W between photoconductive cell RG, the time base circuit ic chip.
3, the automatic dimmer of self-propelled vehicle according to claim 1 is characterized in that relay J is parallel with zener diode D.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97248650 CN2316183Y (en) | 1997-11-26 | 1997-11-26 | Automatic dimmer for motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97248650 CN2316183Y (en) | 1997-11-26 | 1997-11-26 | Automatic dimmer for motor vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2316183Y true CN2316183Y (en) | 1999-04-28 |
Family
ID=33955773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 97248650 Expired - Fee Related CN2316183Y (en) | 1997-11-26 | 1997-11-26 | Automatic dimmer for motor vehicle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2316183Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107878306A (en) * | 2017-12-14 | 2018-04-06 | 金京旭 | A kind of motor vehicle automatic beam change control circuit |
-
1997
- 1997-11-26 CN CN 97248650 patent/CN2316183Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107878306A (en) * | 2017-12-14 | 2018-04-06 | 金京旭 | A kind of motor vehicle automatic beam change control circuit |
CN107878306B (en) * | 2017-12-14 | 2023-10-17 | 金京旭 | Automatic light-changing control circuit of motor vehicle |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |