CN105430798A - Daytime running outline marker lamp system of motor vehicle - Google Patents
Daytime running outline marker lamp system of motor vehicle Download PDFInfo
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- CN105430798A CN105430798A CN201510926389.7A CN201510926389A CN105430798A CN 105430798 A CN105430798 A CN 105430798A CN 201510926389 A CN201510926389 A CN 201510926389A CN 105430798 A CN105430798 A CN 105430798A
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- clearance lamps
- signal
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- acquisition module
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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Abstract
The invention belongs to the technical field of automobile lighting and particularly relates to a daylight running outline marker lamp system of a motor vehicle. The daylight running outline marker lamp system comprises a control unit, a power module, a signal collecting module, a left outline marker lamp and a right outline marker lamp, wherein the control unit acquires an ON-position signal, a low beam lamp signal, a high beam lamp signal, a right steering signal and a left steering signal through the signal collecting module and controls the output current of the power module through the above mentioned signals. Compared with the prior art, the daylight running outline marker lamp system of the motor vehicle has the advantage of reducing the lighting power consumption and cost of the motor vehicle by taking the outline marker lamps as daylight running lamps; under the condition that the normal lighting function of the motor vehicle is met, the daylight running lamp function is added, thereby improving the lighting efficiency, driving comfort and running safety of the vehicle.
Description
Technical field
The invention belongs to technical field of automobile illumination, specifically, relate to a kind of motor vehicle and to drive a vehicle in the daytime clearance lamps system.
Background technology
Daytime running lamps are a kind of emerging automobile lamps, have started at present to be applied on the brand vehicles such as Audi, have been contained in body forward structure, are more easily identified when vehicle is travelled by day, taken care to remind the driver of other vehicles.Daytime running lamps will meet basic brightness requirement, but can not be too bright, in order to avoid disturb other people.Daytime running lamps are different from common dipped headlights, its specially for day driving illumination and design.According to statistics, open daytime running lamps, the vehicle of 12.4% can be reduced surprisingly, also can reduce the traffic death probability of 26.45% simultaneously.Such as, Chinese patent (CN103453415A) discloses so a kind of daytime running lamps, comprises light source, the reflection shield of reflector and the protective cover of band transmittance section; Described reflector matches with described light source, to collect Vernonia parishii Hook. F. angle, the edge light of described light source to middle part; Match with described reflector in described transmittance section, the light sent for described light source penetrates via this transmittance section; It is characterized in that, the reflecting surface of described reflector is free form surface, and the cross section ovalize of this free form surface.But, as foregoing invention, automobile is set up independent day portable lighter not only cost is higher, and be difficult to arrange.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of motor vehicle that can improve car lighting efficiency and driving comfort and to drive a vehicle in the daytime clearance lamps system.
A kind of motor vehicle of the present invention is driven a vehicle clearance lamps system in the daytime, and described clearance lamps system comprises control unit, power module, signal acquisition module, left clearance lamps, right clearance lamps; Described control unit obtains ON shelves signal, dipped headlights signal, high beam signal, right turn signal and left direction signal by signal acquisition module, and according to the output current of above-mentioned signal control power supply module; After control unit receives ON shelves signal, control unit controls left clearance lamps, right clearance lamps all with day portable lighter operation, after control unit receives dipped headlights signal or high beam signal, control unit controls left clearance lamps, right clearance lamps all with clearance lamps operation; After control unit receives right turn signal or left direction signal, control unit controls the clearance lamps of respective direction by preset frequency flicker; After control unit receives the signal of ON shelves disconnection, control unit enters park mode, and closes after controlling left clearance lamps, right clearance lamps delay predetermined time.
A kind of motor vehicle of the present invention is driven a vehicle clearance lamps system in the daytime, and described power module is made up of left clearance lamps power module and right clearance lamps power module; Described left clearance lamps power module is identical with right clearance lamps power module structure, forms by power input terminal, power supply chip PT4115, current sampling resistor, inductance; Described power input terminal is connected with the power input of power supply chip PT4115; The power input of described power supply chip PT4115 is connected by current sampling resistor with current sample end, its PWM light modulation end is connected to the control end of the corresponding clearance lamps of control unit, its current sample end is connected with the positive pole of clearance lamps, and the drain terminal of its power switch is connected with the negative pole of clearance lamps by inductance.
A kind of motor vehicle of the present invention is driven a vehicle clearance lamps system in the daytime, and the drain terminal of the power switch of described power supply chip PT4115 is connected with power input by diode; The conducting direction of described diode by the drain terminal of power switch towards power input; The power input of described power supply chip PT4115 passes through capacity earth.
A kind of motor vehicle of the present invention is driven a vehicle clearance lamps system in the daytime, and described signal acquisition module is made up of ON shelves signal acquisition module, dipped headlights signal acquisition module, high beam signal acquisition module, right turn signal acquisition module and left direction signal acquisition module; Described ON shelves signal acquisition module, dipped headlights signal acquisition module, high beam signal acquisition module, right turn signal acquisition module are identical with the structure of left direction signal acquisition module, are connected in sequence by corresponding signal terminal, counnter attack diode, resistor voltage divider circuit.
A kind of motor vehicle of the present invention is driven a vehicle clearance lamps system in the daytime, and described control unit is made up of single-chip microcomputer MC9RS08KA4 and accessory circuit thereof; Described single-chip microcomputer MC9RS08KA4 controls the operating current of corresponding clearance lamps by the pwm signal exporting different duty to the PWM light modulation end of power supply chip PT4115.
A kind of motor vehicle of the present invention is driven a vehicle clearance lamps system in the daytime, and described clearance lamps system also comprises signal detection module, and this signal detection module is formed by connecting by OR circuit by one or two in right turn signal, left direction signal and ON shelves signal; Described signal detection module is connected with control unit, powering on and detecting for control unit.
A kind of motor vehicle of the present invention is driven a vehicle clearance lamps system in the daytime, described left clearance lamps and the operating current of right clearance lamps under clearance lamps state be the 0.1-0.3 of operating current under day portable lighter state doubly.
Compared with prior art, clearance lamps system driven a vehicle in the daytime by motor vehicle of the present invention can using clearance lamps as daytime running lamps, reduce automotive lighting power consumption and cost, under the prerequisite meeting vehicle normal illumination function, add a day portable lighter function, improve car lighting efficiency and driving comfort and travel safety.
Accompanying drawing explanation
Fig. 1: motor vehicle is driven a vehicle clearance lamps system schematic in the daytime; Fig. 2: left clearance lamps power module schematic diagram; Fig. 3: right clearance lamps power module schematic diagram; Fig. 4: control unit schematic diagram; Fig. 5: signal acquisition module and signal detection module schematic diagram.
Embodiment
Below in conjunction with specific embodiment, motor vehicle of the present invention clearance lamps system of driving a vehicle in the daytime is described further, but protection scope of the present invention is not limited to this.
Embodiment 1
As shown in Figure 1, the automobile daytime driving lamp system of the present embodiment comprises control unit, power module, signal acquisition module, left clearance lamps, right clearance lamps; Left clearance lamps, right clearance lamps are LED; Described control unit obtains ON shelves signal, dipped headlights signal, high beam signal, right turn signal and left direction signal by signal acquisition module, and according to the output current of above-mentioned signal control power supply module; After control unit receives ON shelves signal, control unit controls left clearance lamps, right clearance lamps all with day portable lighter operation, after control unit receives dipped headlights signal or high beam signal, control unit controls left clearance lamps, right clearance lamps all with clearance lamps operation; After control unit receives right turn signal or left direction signal, control unit controls the clearance lamps of respective direction by preset frequency flicker; After control unit receives the signal of ON shelves disconnection, control unit enters park mode, and closes after controlling left clearance lamps, right clearance lamps delay predetermined time.For saving electricity, described left clearance lamps, the operating current of right clearance lamps under clearance lamps state are 0.1 of the operating current under day portable lighter state.
As shown in Figure 2, described power module is made up of left clearance lamps power module and right clearance lamps power module, for left clearance lamps power module: left clearance lamps power module is made up of power input terminal LEDPOWER, power supply chip PT4115 (i.e. U1), the current sampling resistor be formed in parallel by R1, R2, inductance L 1; Described power input terminal LEDPOWER is connected with the power input (the 6th pin) of power supply chip PT4115, the power input (the 6th pin) of power supply chip PT4115 is connected by current sampling resistor with current sample end (the 4th pin), the PWM light modulation end (the 3rd pin) of power supply chip PT4115 is connected to the control end (PWML holds, i.e. the 7th pin of U6) of the corresponding clearance lamps of control unit; The current sample end (the 4th pin) of power supply chip PT4115 is connected with the positive pole (i.e. OUTL+) of clearance lamps, and the drain terminal (the 1st pin) of the power switch of power supply chip PT4115 is connected with the negative pole (i.e. OUTL-) of clearance lamps by inductance L 1.The ground end (the 2nd pin) of power supply chip PT4115 and shell end (the 5th pin) ground connection.The drain terminal (the 1st pin) of the power switch of power supply chip PT4115 is connected with power input (the 6th pin) by diode D1, the conducting direction of diode D1 by the drain terminal (the 1st pin) of power switch towards power input (the 6th pin); The power input (the 6th pin) of described power supply chip PT4115 is by electric capacity C3 ground connection.Above-mentioned diode D1 and electric capacity C3 can ensure that the work of power supply chip PT4115 is more stable.
The structure of right clearance lamps power module is identical with left clearance lamps power module.The operation principle of clearance lamps power module is described: power supply chip PT4115 and inductance L 1, current sampling resistor (R1//R2) form the voltage-dropping type constant-current LED controller of a free-running continuous inductive current pattern below for left clearance lamps power module.When power supply chip PT4115 powers on, the initial current of inductance L 1 and current sampling resistor (R1//R2) is zero, and the operating current of clearance lamps is also zero.At this time, the output of the CS comparator in power supply chip PT4115 is high, internal power switch conduction, the current potential of the drain terminal (the 1st pin) of the power switch of power supply chip PT4115 is low, electric current from the power end (the 6th pin) in power supply chip PT4115 by current sampling resistor (R1//R2), clearance lamps, inductance L 1 and internal power switch flow to ground, the slope that electric current rises is by power end, inductance L 1 and clearance lamps pressure drop determine, at the upper generation pressure reduction VCSN of current sampling resistor (R1//R2), as (VIN-VCSN) >115mV, the output step-down of CS comparator, internal power switch OFF, electric current flows through current sampling resistor (R1//R2) with another slope, clearance lamps, Schottky diode in inductance L 1 and chip, as (VIN-VCSN) <85mV, power switch reopens, the average current on clearance lamps is made to be like this: IOUT=(0.085+0.115)/2* (sampling resistor)=0.1/ (R1//R2), above-mentioned VIN is the input voltage of power supply chip PT4115 power end, the structure of above-mentioned power module makes external component quantity little, adopts high-precision sampling resistor, and the operating current of clearance lamps can be made to control in the accuracy rating needed.
As shown in Figure 3, described signal acquisition module is made up of ON shelves signal acquisition module, dipped headlights signal acquisition module, high beam signal acquisition module, right turn signal acquisition module and left direction signal acquisition module, for ON shelves signal acquisition module, this ON shelves signal acquisition module is connected in sequence by signal terminal MAINRELAY, counnter attack diode D13, resistor voltage divider circuit (being in series by R28, R29), and the contact of R28, R29 is connected with control unit U6 by the output IN3 of ON shelves signal acquisition module.Resistance R29 is in parallel with electric capacity C14, to reduce the impact of ripple on control unit U6, avoids the erroneous judgement of control unit U6.Described ON shelves signal acquisition module, dipped headlights signal acquisition module, high beam signal acquisition module, right turn signal acquisition module are identical with the structure of left direction signal acquisition module, and principle is similar.
This automobile daytime driving lamp system also comprises signal detection module, and described signal detection module is formed by connecting by OR circuit by ON shelves signal and right turn signal; Described signal detection module is connected with the WAKEUP (the 15th pin) of control unit U6, powering on and detecting for control unit U6.OR circuit is made up of diode D4, D5, can prevent the cross-interference issue between ON shelves signal and right turn signal.
Control unit is made up of single-chip microcomputer MC9RS08KA4 (i.e. U6) and accessory circuit thereof, and single-chip microcomputer MC9RS08KA4 controls the operating current of corresponding clearance lamps by the pwm signal (i.e. PWML, PWMR) exporting different duty to the PWM light modulation end (i.e. the 3rd pin) of power supply chip PT4115.
Claims (7)
1. motor vehicle is driven a vehicle a clearance lamps system in the daytime, and it is characterized in that, described clearance lamps system comprises control unit, power module, signal acquisition module, left clearance lamps, right clearance lamps; Described control unit obtains ON shelves signal, dipped headlights signal, high beam signal, right turn signal and left direction signal by signal acquisition module, and according to the output current of above-mentioned signal control power supply module; After control unit receives ON shelves signal, control unit controls left clearance lamps, right clearance lamps all with day portable lighter operation, after control unit receives dipped headlights signal or high beam signal, control unit controls left clearance lamps, right clearance lamps all with clearance lamps operation; After control unit receives right turn signal or left direction signal, control unit controls the clearance lamps of respective direction by preset frequency flicker; After control unit receives the signal of ON shelves disconnection, control unit enters park mode, and closes after controlling left clearance lamps, right clearance lamps delay predetermined time.
2. motor vehicle according to claim 1 is driven a vehicle clearance lamps system in the daytime, and it is characterized in that, described power module is made up of left clearance lamps power module and right clearance lamps power module; Described left clearance lamps power module is identical with right clearance lamps power module structure, forms by power input terminal, power supply chip PT4115, current sampling resistor, inductance; Described power input terminal is connected with the power input of power supply chip PT4115; The power input of described power supply chip PT4115 is connected by current sampling resistor with current sample end, its PWM light modulation end is connected to the control end of the corresponding clearance lamps of control unit, its current sample end is connected with the positive pole of clearance lamps, and the drain terminal of its power switch is connected with the negative pole of clearance lamps by inductance.
3. motor vehicle according to claim 1 is driven a vehicle clearance lamps system in the daytime, and it is characterized in that, the drain terminal of the power switch of described power supply chip PT4115 is connected with power input by diode; The conducting direction of described diode by the drain terminal of power switch towards power input; The power input of described power supply chip PT4115 passes through capacity earth.
4. motor vehicle is driven a vehicle clearance lamps system in the daytime according to claim 1, it is characterized in that, described signal acquisition module is made up of ON shelves signal acquisition module, dipped headlights signal acquisition module, high beam signal acquisition module, right turn signal acquisition module and left direction signal acquisition module; Described ON shelves signal acquisition module, dipped headlights signal acquisition module, high beam signal acquisition module, right turn signal acquisition module are identical with the structure of left direction signal acquisition module, are connected in sequence by corresponding signal terminal, counnter attack diode, resistor voltage divider circuit.
5. motor vehicle is driven a vehicle clearance lamps system in the daytime according to claim 1, and it is characterized in that, described control unit is made up of single-chip microcomputer MC9RS08KA4 and accessory circuit thereof; Described single-chip microcomputer MC9RS08KA4 controls the operating current of corresponding clearance lamps by the pwm signal exporting different duty to the PWM light modulation end of power supply chip PT4115.
6. motor vehicle according to claim 1 is driven a vehicle clearance lamps system in the daytime, it is characterized in that, described clearance lamps system also comprises signal detection module, and this signal detection module is formed by connecting by OR circuit by one or two in right turn signal, left direction signal and ON shelves signal; Described signal detection module is connected with control unit, powering on and detecting for control unit.
7. motor vehicle according to claim 1 is driven a vehicle clearance lamps system in the daytime, it is characterized in that, described left clearance lamps and the operating current of right clearance lamps under clearance lamps state be the 0.1-0.3 of operating current under day portable lighter state doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926389.7A CN105430798A (en) | 2015-12-14 | 2015-12-14 | Daytime running outline marker lamp system of motor vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926389.7A CN105430798A (en) | 2015-12-14 | 2015-12-14 | Daytime running outline marker lamp system of motor vehicle |
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| Publication Number | Publication Date |
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| CN105430798A true CN105430798A (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510926389.7A Pending CN105430798A (en) | 2015-12-14 | 2015-12-14 | Daytime running outline marker lamp system of motor vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108921060A (en) * | 2018-06-20 | 2018-11-30 | 安徽金赛弗信息技术有限公司 | Motor vehicle based on deep learning does not use according to regulations clearance lamps intelligent identification Method |
| CN108934108A (en) * | 2017-05-24 | 2018-12-04 | 株式会社小糸制作所 | Light-emitting actuating device, lamps apparatus for vehicle |
| CN112770449A (en) * | 2019-11-05 | 2021-05-07 | 华域视觉科技(上海)有限公司 | Constant current driving system for automobile signal lamp and driving method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210416A (en) * | 2014-08-07 | 2014-12-17 | 奇瑞汽车股份有限公司 | Daytime running lamp system for automobile |
-
2015
- 2015-12-14 CN CN201510926389.7A patent/CN105430798A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210416A (en) * | 2014-08-07 | 2014-12-17 | 奇瑞汽车股份有限公司 | Daytime running lamp system for automobile |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108934108A (en) * | 2017-05-24 | 2018-12-04 | 株式会社小糸制作所 | Light-emitting actuating device, lamps apparatus for vehicle |
| CN108921060A (en) * | 2018-06-20 | 2018-11-30 | 安徽金赛弗信息技术有限公司 | Motor vehicle based on deep learning does not use according to regulations clearance lamps intelligent identification Method |
| CN112770449A (en) * | 2019-11-05 | 2021-05-07 | 华域视觉科技(上海)有限公司 | Constant current driving system for automobile signal lamp and driving method thereof |
| CN112770449B (en) * | 2019-11-05 | 2024-02-02 | 华域视觉科技(上海)有限公司 | Constant-current driving system for automobile signal lamp and driving method thereof |
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Application publication date: 20160323 |