CN204859647U - Automatic photoinduction headlight device - Google Patents
Automatic photoinduction headlight device Download PDFInfo
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- CN204859647U CN204859647U CN201520523236.3U CN201520523236U CN204859647U CN 204859647 U CN204859647 U CN 204859647U CN 201520523236 U CN201520523236 U CN 201520523236U CN 204859647 U CN204859647 U CN 204859647U
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Abstract
The utility model provides an automatic photoinduction headlight device, bright detection circuitry, power voltage stabilizing circuit, drive output circuit are connected with the single -chip control circuit electricity respectively, singlechip chip U1's pin 1 is connected with electric capacity C1's one end, photo resistance RG's one end, zener diode D1's one end, resistance R4's one end respectively, and back ground connection is connected with electric capacity C1's the other end, zener diode D1's the other end respectively to singlechip chip U1's pin 14, be connected triode Q's base after singlechip chip U1's pin 12 and resistance R7 establish ties, back ground connection is connected to triode Q's projecting pole, electric capacity C2's the other end, resistance R1's the other end, resistance R6's the other end and transistor Q1's grid are connected, and transistor Q1's drain electrode meets output terminal J, and transistor Q1's source electrode, resistance R5's the other end, resistance R2's the other end is connected the back and is connected with the power end. The device job stabilization uses the low power dissipation, and is longe -lived.
Description
Technical field
The utility model relates to a kind of Photoinduction device, and specifically a kind of photoinduction head lamp device automatically, belongs to photoinduction technical field.
Background technology
The use of intelligent apparatus in life gets more and more, a lot of facilities is brought to people's life, work, trip etc., electric motor car has obtained as a kind of green traffic instrument that is clean, pollution-free, zero discharge and has used widely, and for the headlight still manual switching device in the past of electric car illumination, also the automatic headlight induction installation of some producer, but the headlight induction installation used at present is all generally use optical sensor, treatment circuit and relay composition, this device power consumption is large, job insecurity, easily damages.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides a kind of photoinduction head lamp device automatically, and this device working stability, use low in energy consumption, the life-span is long.
To achieve these goals, the utility model provides a kind of photoinduction head lamp device automatically, comprise single chip machine controlling circuit, bright testing circuit, power supply stabilization circuit and driver output circuit, described bright testing circuit, power supply stabilization circuit, driver output circuit are electrically connected with single chip machine controlling circuit respectively; Light testing circuit comprises photo resistance RG, resistance R1, electric capacity C1, power supply stabilization circuit comprises resistance R2, resistance R3, resistance R4, voltage stabilizing didoe D1 and electric capacity C1, single chip machine controlling circuit comprises singlechip chip U1, and driver output circuit comprises resistance R5, resistance R6, resistance R7, triode Q, transistor Q1 and lead-out terminal J; The pin one of singlechip chip U1 is connected with one end of electric capacity C1, one end of photo resistance RG, one end of voltage stabilizing didoe D1, one end of resistance R4 respectively, ground connection after the pin one 4 of singlechip chip U1 is connected with the other end of electric capacity C1, the other end of voltage stabilizing didoe D1 respectively; The other end of photo resistance RG is connected with one end of resistance R1, one end of electric capacity C2 respectively; The other end of resistance R4 connect with resistance R3 after one end of contact resistance R2; The pin one 2 of singlechip chip U1 connect with resistance R7 after the base stage of connecting triode Q, ground connection after the other end of the emitter of triode Q, the other end of electric capacity C2, resistance R1 connects; The collector electrode of triode Q is connected with one end of resistance R5, resistance R6 respectively; The other end of resistance R6 is connected with the grid of transistor Q1, and the drain electrode of transistor Q1 meets lead-out terminal J, is connected after the other end connection of the source electrode of transistor Q1, the other end of resistance R5, resistance R2 with power end.
Further, the model of described singlechip chip U1 is HR7P155B.
Further, the model of described transistor Q1 is pmos type.
Bright signal is detected by bright testing circuit in the utility model, bright signal is passed to single chip machine controlling circuit, brightness calculation is carried out by the singlechip chip carrying AD converter, with two the definite value A preset, B (B>A) compares, if when brightness is lower than set point A, light headlight, and continue real-time sensed luminance, when brightness is higher than the brightness value B set, start timing, only have when brightness continuously higher than set point B and maintain more than 5 seconds time could close headlight, therefore headlight Push And Release frequently can not be caused, this device working stability, use low in energy consumption, life-span is long.
Accompanying drawing explanation
Fig. 1 is electric theory diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of photoinduction head lamp device automatically, comprise single chip machine controlling circuit, bright testing circuit, power supply stabilization circuit and driver output circuit, described bright testing circuit, power supply stabilization circuit, driver output circuit are electrically connected with single chip machine controlling circuit respectively; Light testing circuit comprises photo resistance RG, resistance R1, electric capacity C1, power supply stabilization circuit comprises resistance R2, resistance R3, resistance R4, voltage stabilizing didoe D1 and electric capacity C1, single chip machine controlling circuit comprises singlechip chip U1, and driver output circuit comprises resistance R5, resistance R6, resistance R7, triode Q, transistor Q1 and lead-out terminal J; The pin one of singlechip chip U1 is connected with one end of electric capacity C1, one end of photo resistance RG, one end of voltage stabilizing didoe D1, one end of resistance R4 respectively, ground connection after the pin one 4 of singlechip chip U1 is connected with the other end of electric capacity C1, the other end of voltage stabilizing didoe D1 respectively; The other end of photo resistance RG is connected with one end of resistance R1, one end of electric capacity C2 respectively; The other end of resistance R4 connect with resistance R3 after one end of contact resistance R2; The pin one 2 of singlechip chip U1 connect with resistance R7 after the base stage of connecting triode Q, ground connection after the other end of the emitter of triode Q, the other end of electric capacity C2, resistance R1 connects; The collector electrode of triode Q is connected with one end of resistance R5, resistance R6 respectively; The other end of resistance R6 is connected with the grid of transistor Q1, and the drain electrode of transistor Q1 meets lead-out terminal J, and lead-out terminal J is connected with headlight; Be connected with power end after the other end connection of the source electrode of transistor Q1, the other end of resistance R5, resistance R2.
The model of singlechip chip U1 is HR7P155B.
The model of transistor Q1 is pmos type, uses PMOS driver output, the advantages such as have drive current little, the life-span is long, and power output is large.
Operation principle: bright signal detected by bright testing circuit, bright signal is passed to single chip machine controlling circuit, brightness calculation is carried out by the singlechip chip carrying AD converter, with two the definite value A preset, B (B>A) compares, if when brightness is lower than set point A, lead-out terminal J lights headlight, and continue real-time sensed luminance, when brightness is higher than the brightness value B set, start timing, only have when brightness continuously higher than set point B and maintain more than 5 seconds time could close headlight, therefore headlight Push And Release frequently can not be caused, use PMOS driver output, there is drive current little, life-span is long, the advantages such as power output is large.
Claims (3)
1. an automatic photoinduction head lamp device, it is characterized in that, comprise single chip machine controlling circuit, bright testing circuit, power supply stabilization circuit and driver output circuit, described bright testing circuit, power supply stabilization circuit, driver output circuit are electrically connected with single chip machine controlling circuit respectively; Light testing circuit comprises photo resistance RG, resistance R1, electric capacity C1, power supply stabilization circuit comprises resistance R2, resistance R3, resistance R4, voltage stabilizing didoe D1 and electric capacity C1, single chip machine controlling circuit comprises singlechip chip U1, and driver output circuit comprises resistance R5, resistance R6, resistance R7, triode Q, transistor Q1 and lead-out terminal J; The pin one of singlechip chip U1 is connected with one end of electric capacity C1, one end of photo resistance RG, one end of voltage stabilizing didoe D1, one end of resistance R4 respectively, ground connection after the pin one 4 of singlechip chip U1 is connected with the other end of electric capacity C1, the other end of voltage stabilizing didoe D1 respectively; The other end of photo resistance RG is connected with one end of resistance R1, one end of electric capacity C2 respectively; The other end of resistance R4 connect with resistance R3 after one end of contact resistance R2; The pin one 2 of singlechip chip U1 connect with resistance R7 after the base stage of connecting triode Q, ground connection after the other end of the emitter of triode Q, the other end of electric capacity C2, resistance R1 connects; The collector electrode of triode Q is connected with one end of resistance R5, resistance R6 respectively; The other end of resistance R6 is connected with the grid of transistor Q1, and the drain electrode of transistor Q1 meets lead-out terminal J, is connected after the other end connection of the source electrode of transistor Q1, the other end of resistance R5, resistance R2 with power end.
2. the automatic photoinduction head lamp device of one according to claim 1, is characterized in that, the model of described singlechip chip U1 is HR7P155B.
3. the automatic photoinduction head lamp device of one according to claim 2, is characterized in that, the model of described transistor Q1 is pmos type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523236.3U CN204859647U (en) | 2015-07-17 | 2015-07-17 | Automatic photoinduction headlight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520523236.3U CN204859647U (en) | 2015-07-17 | 2015-07-17 | Automatic photoinduction headlight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204859647U true CN204859647U (en) | 2015-12-09 |
Family
ID=54750155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520523236.3U Expired - Fee Related CN204859647U (en) | 2015-07-17 | 2015-07-17 | Automatic photoinduction headlight device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204859647U (en) |
-
2015
- 2015-07-17 CN CN201520523236.3U patent/CN204859647U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151209 Termination date: 20200717 |