CN202799276U - Novel car-audio secondary light control circuit - Google Patents
Novel car-audio secondary light control circuit Download PDFInfo
- Publication number
- CN202799276U CN202799276U CN2012203346900U CN201220334690U CN202799276U CN 202799276 U CN202799276 U CN 202799276U CN 2012203346900 U CN2012203346900 U CN 2012203346900U CN 201220334690 U CN201220334690 U CN 201220334690U CN 202799276 U CN202799276 U CN 202799276U
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- control module
- triode
- light control
- control circuit
- voltage stabilizing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a novel car-audio secondary light control circuit, which comprises a dim-light control module, a high-light control module, a panel backlight module, a working power supply and a switching power supply. The working power supply is connected with both the dim-light control module and the high-light control module at the same time. The high-light control module is also connected with the switching power supply used for switching the working state of the circuit between the dim-light control module and the high-light control module. Both the output terminal of the dim-light control module and the output terminal of the high-light control module are connected with the input terminal of the panel backlight module. According to the technical scheme of the utility model, the panel backlight is operated in the high-light mode during daytime, so that the lighting effect of the panel backlight is matched with the panel. At night, the panel backlight is operated in the dim-light mode to provide a driver with a soft and comfortable lighting environment, so that the driving safety is ensured. Meanwhile, the circuit has the advantages of simple and convenient operation, and low cost.
Description
Technical field
The utility model relates to the automobile audio technical field, specifically refers to a kind of novel automobile acoustic secondary lighting control circuit.
Background technology
Present automobile audio on the market all only has one-level light, answer and join in order to reach preferably lighting effects and panel in the time of by day, the capital arranges light relatively brightly, has a negative effect but light is too bright in the time of at night, especially strong light-illuminating can make the driver feel uncomfortable when driving, affects driver's safe driving.So there is certain potential safety hazard in one-level light.
The utility model content
The purpose that the utility model is created is to overcome the weak point that there is potential safety hazard in automobile audio one-level light in the prior art, and a kind of novel automobile acoustic secondary lighting control circuit with high light pattern and low light level pattern is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of novel automobile acoustic secondary lighting control circuit, comprise low light level control module, high light control module, panel backlight module, working power and Switching power, described working power links to each other with low light level control module and high light control module simultaneously; Described high light control module also links to each other with the Switching power that switches that is used for carrying out working between low light level control module and the high light control module; The output of the output of described low light level control module and high light control module all links to each other with the input of panel backlight module.
Particularly, described working power is the working power that the automobile audio control circuit connects.
Particularly, the working power that connects of described automobile audio control circuit is 12V.
Particularly, described Switching power is the ILL power supply of vehicle body lampet.
Particularly, described low light level control module comprises triode Q10, the base stage of described triode Q10 is connected by resistance R 59 with collector electrode, the base stage of triode Q10 is by voltage stabilizing didoe ZD5 ground connection, collector electrode is connected with working power, and emitter is connected with the input of panel backlight module by diode D22.
Particularly, described high light control module comprises triode Q2 and triode Q9, the collector electrode of described triode Q2 is connected with base stage by resistance R 40, the base stage of triode Q2 is by voltage stabilizing didoe ZD4 ground connection, collector electrode is connected with working power, and emitter is connected with the input of panel backlight module by diode D22; In addition, the base stage of triode Q2 is connected with the collector electrode of triode Q9, the grounded emitter of triode Q9, and the ILL power supply is connected with capacitor C with the resistance R 58 that is connected in parallel by resistance R 41 and is connected, and jointly is connected with the base stage of triode Q9.
Particularly, the voltage stabilizing value of described voltage stabilizing didoe ZD4 is higher than the voltage stabilizing value of voltage stabilizing didoe ZD5.
The operation principle of the utility model automobile audio secondary lighting control circuit is: working power provides the voltage of one+12V to low light level control module and high light control module when host computer of vedio device on vehicle is started shooting.
At night, illuminating lamp is in out state on the car, high level of ILL power supply output this moment is to the high light control module, input to the base stage of triode Q9 after the rectification of ILL power supply through resistance R 41 and R58 dividing potential drop and capacitor C 90, triode Q9 conducting this moment, the base voltage of triode Q2 is dragged down, make Q2 be in cut-off state, at this moment high light control module no-output; The voltage that working power offers low light level control module carries out voltage stabilizing by Q10, R59 and ZD5, again by exporting panel backlight module to after D22 isolation, the step-down.This moment, panel backlight module was powered by low light level control module, and the panel backlight is in low light level mode of operation.
By day, illuminating lamp is in off status on the car, low level of ILL power supply output is to the high light control module, make triode Q9 be in cut-off state, this moment by working power provide+12V voltage carries out voltage stabilizing by Q2, R40 and ZD4, again by exporting panel backlight module behind the D26 isolated buck to.Because the voltage stabilizing value of voltage stabilizing didoe ZD4 is higher than the voltage stabilizing value of voltage stabilizing didoe ZD5, thus one of high light control module output than the higher magnitude of voltage of low light level control module to panel backlight module, the panel backlight is in the high light mode of operation.
The utility model is created and is had the following advantages compared to existing technology and beneficial effect:
1, the utility model works by day in the high light pattern panel backlight by low light level control module and high light control module are set, and lighting effects and panel are answered and joined; Be operated in low light level pattern at night, provide soft comfortable lighting effects to bring safety to driving to the driver.
2, the working power of high light control module and low light level control module by main system of audio provide, the control power supply of high light control module provides by the ILL power supply, need not to add in addition power supply, and is simple, convenient, and cost is low.
Description of drawings
Fig. 1 is the utility model automobile audio secondary lighting control circuit schematic diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but the execution mode that the utility model is created is not limited to this.
Embodiment
As shown in Figure 1, a kind of novel automobile acoustic secondary lighting control circuit, comprise low light level control module, high light control module, panel backlight module, working power and Switching power, described working power links to each other with low light level control module and high light control module simultaneously; Described high light control module also links to each other with the Switching power that switches that is used for carrying out working between low light level control module and the high light control module; The output of the output of described low light level control module and high light control module all links to each other with the input of panel backlight module.
Described low light level control module comprises triode Q10, the base stage of described triode Q10 is connected by resistance R 59 with collector electrode, the base stage of triode Q10 is by voltage stabilizing didoe ZD5 ground connection, the 12V working power that collector electrode is connected with the automobile audio control circuit connects, and emitter is connected with the input of panel backlight module by diode D22.
Described high light control module comprises triode Q2 and triode Q9, the collector electrode of described triode Q2 is connected with base stage by resistance R 40, the base stage of triode Q2 is by voltage stabilizing didoe ZD4 ground connection, collector electrode is connected with working power, and emitter is connected with the input of panel backlight module by diode D22; In addition, the base stage of triode Q2 is connected with the collector electrode of triode Q9, the grounded emitter of triode Q9, and the ILL power supply of vehicle body lampet is connected with capacitor C with the resistance R 58 that is connected in parallel by resistance R 41 and is connected, and jointly is connected with the base stage of triode Q9.
In the present embodiment, the voltage stabilizing value of described voltage stabilizing didoe ZD4 is 9V, and the voltage stabilizing value of voltage stabilizing didoe ZD5 is 7V, and the resistance of R59, R40 and R41 is 1K, and the resistance of R58 is 3.3K, and the capacitance of capacitor C 90 is 47uF.
When host computer of vedio device on vehicle was started shooting, the working power that the automobile audio control circuit connects provided one+12V voltage to low light level control module and high light control module.
At night, illuminating lamp is in out state on the car, high level of ILL power supply output this moment is to the high light control module, input to the base stage of triode Q9 after the rectification of ILL power supply through resistance R 41 and R58 dividing potential drop and capacitor C 90, triode Q9 conducting this moment, the base voltage of triode Q2 is dragged down, make Q2 be in cut-off state, at this moment high light control module no-output; The voltage that working power offers low light level control module carries out voltage stabilizing by Q10, R59 and ZD5, again by exporting panel backlight module to after D22 isolation, the step-down.This moment, panel backlight module was powered by low light level control module, and panel backlight module is in low light level mode of operation.
By day, illuminating lamp is in off status on the car, low level of ILL power supply output is to the high light control module, make triode Q9 be in cut-off state, this moment by working power provide+12V voltage carries out voltage stabilizing by Q2, R40 and ZD4, again by exporting panel backlight module behind the D26 isolated buck to.Because this moment voltage stabilizing didoe ZD4 the voltage stabilizing value than the high 2V of voltage stabilizing value of voltage stabilizing didoe ZD5, so that the high light control module exports the magnitude of voltage of panel backlight module to is higher, this moment, the panel backlight was in the high light mode of operation.
The utility model works by day in the high light pattern sound equipment backlight by low light level control module and high light control module are set, and lighting effects and panel are answered and joined; Be operated in low light level pattern at night, provide soft comfortable lighting effects to bring safety to driving to the driver.In addition, the power supply of high light control module and low light level control module by main system of audio provide, the control power supply of high light control module provides by the ILL power supply, need not to add in addition power supply, circuit is installed and simple, convenient, and cost is low.
The above embodiment has only expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (7)
1. novel automobile acoustic secondary lighting control circuit, it is characterized in that: comprise low light level control module, high light control module, panel backlight module, working power and Switching power, described working power links to each other with low light level control module and high light control module simultaneously; Described high light control module also links to each other with the Switching power that switches that is used for carrying out working between low light level control module and the high light control module; The output of the output of described low light level control module and high light control module all links to each other with the input of panel backlight module.
2. described novel automobile acoustic secondary lighting control circuit according to claim 1, it is characterized in that: described working power is the working power that the automobile audio control circuit connects.
3. described novel automobile acoustic secondary lighting control circuit according to claim 2, it is characterized in that: the working power that described automobile audio control circuit connects is 12V.
4. according to claim 2 or 3 described novel automobile acoustic secondary lighting control circuits, it is characterized in that: described Switching power is the ILL power supply of vehicle body lampet.
5. described novel automobile acoustic secondary lighting control circuit according to claim 4, it is characterized in that: described low light level control module comprises triode Q10, the base stage of described triode Q10 is connected by resistance R 59 with collector electrode, the base stage of triode Q10 is by voltage stabilizing didoe ZD5 ground connection, collector electrode is connected with working power, and emitter is connected with the input of panel backlight module by diode D22.
6. described novel automobile acoustic secondary lighting control circuit according to claim 5, it is characterized in that: described high light control module comprises triode Q2 and triode Q9, the collector electrode of described triode Q2 is connected with base stage by resistance R 40, the base stage of triode Q2 is by voltage stabilizing didoe ZD4 ground connection, collector electrode is connected with working power, and emitter is connected with the input of panel backlight module by diode D22; In addition, the base stage of triode Q2 is connected with the collector electrode of triode Q9, the grounded emitter of triode Q9, and the ILL power supply is connected with capacitor C with the resistance R 58 that is connected in parallel by resistance R 41 and is connected, and jointly is connected with the base stage of triode Q9.
7. described novel automobile acoustic secondary lighting control circuit according to claim 6, it is characterized in that: the voltage stabilizing value of described voltage stabilizing didoe ZD4 is higher than the voltage stabilizing value of voltage stabilizing didoe ZD5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203346900U CN202799276U (en) | 2012-07-11 | 2012-07-11 | Novel car-audio secondary light control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203346900U CN202799276U (en) | 2012-07-11 | 2012-07-11 | Novel car-audio secondary light control circuit |
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| Publication Number | Publication Date |
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| CN202799276U true CN202799276U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203346900U Expired - Fee Related CN202799276U (en) | 2012-07-11 | 2012-07-11 | Novel car-audio secondary light control circuit |
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| CN (1) | CN202799276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924997A (en) * | 2018-07-05 | 2018-11-30 | 惠州市德赛西威汽车电子股份有限公司 | A kind of second level light adjustment circuit |
| CN110139423A (en) * | 2019-03-31 | 2019-08-16 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle LED control circuit of double-colored constant current |
-
2012
- 2012-07-11 CN CN2012203346900U patent/CN202799276U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108924997A (en) * | 2018-07-05 | 2018-11-30 | 惠州市德赛西威汽车电子股份有限公司 | A kind of second level light adjustment circuit |
| CN108924997B (en) * | 2018-07-05 | 2020-03-24 | 惠州市德赛西威汽车电子股份有限公司 | Two-stage light adjusting circuit |
| CN110139423A (en) * | 2019-03-31 | 2019-08-16 | 惠州市德赛西威汽车电子股份有限公司 | A kind of vehicle LED control circuit of double-colored constant current |
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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 |
Granted publication date: 20130313 Termination date: 20140711 |
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| EXPY | Termination of patent right or utility model |