CN105438057B - Suitable for the power-supply system of locomotive lighting device - Google Patents
Suitable for the power-supply system of locomotive lighting device Download PDFInfo
- Publication number
- CN105438057B CN105438057B CN201510871091.0A CN201510871091A CN105438057B CN 105438057 B CN105438057 B CN 105438057B CN 201510871091 A CN201510871091 A CN 201510871091A CN 105438057 B CN105438057 B CN 105438057B
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- Prior art keywords
- control chip
- control
- circuit
- lamp
- chip
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1407—General lighting circuits comprising dimming circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a kind of power-supply system suitable for locomotive lighting device, and it includes high beam control chip, dipped headlight control chip, Signalized control chip, and it is respectively arranged with least one outside control enable port；Power-supply system includes control circuit, and the first control chip and the second control chip are provided with control circuit, and the first control chip is connected with Signalized control chip, and the second control chip is connected with high beam control chip and dipped headlight control chip respectively；Using the power-supply system suitable for locomotive lighting device of above-mentioned technical proposal, its compared with traditional locomotive illumination can be achieved remote/dipped headlight of locomotive with signal lamp alternation during brilliance control, so that the locomotive lighting device based on above-mentioned power-supply system is in the process of moving, the marked effect of its signal and the job stability of lighting device are improved.
Description
Technical field
The present invention relates to a kind of power electronic system, especially a kind of power-supply system suitable for locomotive lighting device.
Background technology
The lighting apparatus of locomotive is one of necessary device during locomotive driving, its can effectively ensure locomotive in itself and
The safety of remaining vehicle and pedestrian in locomotive driving distance.Existing locomotive lighting apparatus has frequently included high beam, dipped headlight
With signal lamp, the control method of traditional lighting device is to drive high beam, dipped headlight and signal lamp by corresponding supply unit
Staggeredly work, however, for the locomotive of complex road condition downward driving, such as mining area vehicle, its signal designation to signal lamp is wanted
Ask and be far above general vehicle, and it must also carry out a certain degree of illumination while signal designation, so cause above-mentioned distance light
The mode that lamp, dipped headlight and signal lamp staggeredly work is difficult to meet its demand.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of power-supply system of locomotive lighting device, it can realize motor supply shop
Signal lamp and the optimal control under remote/dipped headlight working condition during sailing.
In order to solve the above technical problems, the present invention relates to a kind of power-supply system suitable for locomotive lighting device, it includes
There are distance light circuit for lamp, dipped beam circuit for lamp, tally circuit and control circuit；The distance light circuit for lamp, dipped beam circuit for lamp, signal
Include high beam control chip, dipped headlight control chip, Signalized control chip, the high beam control in circuit for lamp respectively
At least one outside control enable port is respectively arranged with chip, dipped headlight control chip, Signalized control chip；It is described suitable
Power-supply system for locomotive lighting device includes control circuit, and the first control chip and the second control are provided with control circuit
Coremaking piece, the first control chip are connected with Signalized control chip, the second control chip respectively with high beam control chip with
And the outside control enable port of dipped headlight control chip is connected.
As a modification of the present invention, include in the distance light circuit for lamp and dipped beam circuit for lamp switch triode,
Power end and earth terminal, the base stage of multiple switch triode are connected to the output end of the second control chip in control circuit, and
Its colelctor electrode is respectively connecting to the outside control enable port of high beam control chip and dipped headlight control chip, each switch
The emitter stage of triode is connected to earth terminal；The distance light circuit for lamp is respectively connecting to far with the power end in dipped beam circuit for lamp
Light lamp control chip and the outside control enable port in dipped headlight control chip.
In above-mentioned technical proposal, it can realize the second control chip for high beam control chip by switch triode
Controlled with the switch of dipped headlight control chip；When under the non-opening of signal lamp, switch triode is off state, switch three
Pole pipe causes high beam control chip to connect high level with dipped headlight control chip（Power end）, so that distance light circuit for lamp with
Dipped beam circuit for lamp keeps normal current output；When under signal lamp opening, the control of the second control chip output pulse signal is opened
Close triode so that switch triode is on off state, so that high beam control chip and dipped headlight control chip
Enable Pin forms setpoint frequency and the pulse signal of amplitude, and then causes distance-light power circuit output current with control pulse
Dutycycle size realize adjustment（Light weakens）, to realize high beam and light modulation of the dipped headlight under signal lamp opening
Processing.Using above-mentioned design, it can realize that high beam is dimmed with dipped headlight according to signal lamp state by switch triode,
So that the job stability in power-supply system in the application between each chip is improved.
As a modification of the present invention, in the distance light circuit for lamp and dipped beam circuit for lamp, the colelctor electrode of switch triode
Current-limiting resistance is provided between power end.Using above-mentioned design, it can be when signal lamp not be opened, it is ensured that high beam controls
Chip and the current potential of the outside enable port of dipped headlight control chip are maintained at high level, so that distance light circuit for lamp and dipped beam
The output current of circuit for lamp is maintained under the rated condition of design.
As a modification of the present invention, the output end of first control chip and the outside control of Signalized control chip
Enable port processed is connected, and it can carry out signal transmission and current control by the first control chip, with the flicker to signal lamp
The brightness of frequency and signal lamp is controlled.
As a modification of the present invention, the high beam control chip, dipped headlight control chip, Signalized control chip
Use QX9920 chips.Above-mentioned QX9920 chips are using the peak value comparison method mode of fixed turn-off time, its working frequency
1MHz is reached as high as, can reduce external inductors and filter capacitor volume, efficiency improves, so as to save PCB areas.
As a modification of the present invention, first control chip and the second control chip use NE555 chips.On
Good job stability can be provided by stating NE555 chips, and improve the holistic cost of power-supply system.
The above-mentioned power-supply system suitable for locomotive lighting device, it can be occurred by the signal that the first control chip is formed
Device output signal, to realize the flicker of signal lamp, while signal lamp works, the second control chip is by controlling high beam control
The outside control enable port of coremaking piece and dipped headlight control chip, to cause high beam control chip and dipped headlight control chip
Input current reduce, so as to cause high beam and dipped headlight compared with normal condition luminance-reduction, to cause the signal of signal lamp
Become apparent.When signal lamp is stopped, the second control chip is stopped so that high beam control chip and dipped headlight control
The Enable Pin signal out of hand of coremaking piece and be maintained at high level state so that circuit recover rated output working condition,
I.e. input current returns to normal condition, so that the brightness of high beam and dipped headlight also increases to original nominal.
Using the power-supply system suitable for locomotive lighting device of above-mentioned technical proposal, it can pass through the first control chip control
The brightness of the flash speed and signal lamp of signal lamp processed, also, the remote/near of locomotive can be achieved compared with traditional locomotive illumination in it
Light lamp with signal lamp alternation during brilliance control so that the locomotive lighting device based on above-mentioned power-supply system
In the process of moving, the marked effect of its signal and the job stability of lighting device are improved.
Brief description of the drawings
Fig. 1 is high beam circuit diagram in the present invention；
Fig. 2 is dipped headlight circuit diagram in the present invention；
Fig. 3 is tally circuit schematic diagram in the present invention；
Fig. 4 is control circuit schematic diagram in the present invention；
Reference numerals list：
1-high beam control chip, 2-dipped headlight control chip, 3-Signalized control chip, 4-outside control are enabled
Port, the 5-the first control chip, the 6-the second control chip, 7-switch triode, 8-current-limiting resistance.
Embodiment
With reference to embodiment, the present invention is furture elucidated, it should be understood that following embodiments are only used for
The bright present invention rather than limitation the scope of the present invention.
Embodiment 1
A kind of power-supply system suitable for locomotive lighting device as shown in Figures 1 to 4, it includes distance light circuit for lamp, near
Light circuit for lamp, tally circuit and control circuit；Wrapped respectively in the distance light circuit for lamp, dipped beam circuit for lamp, tally circuit
High beam control chip 1, dipped headlight control chip 2, Signalized control chip 3, the high beam control chip 1, dipped beam are included
An outside control enable port 4 is respectively arranged with lamp control chip 2, Signalized control chip 3；The locomotive that is applied to shines
The power-supply system of bright device includes control circuit, and the first control chip 5 and the second control chip 6 are provided with control circuit,
First control chip 5 is connected with Signalized control chip 3, the second control chip 6 respectively with high beam control chip 1 and near
The outside control enable port 4 of light lamp control chip 2 is connected.
As a modification of the present invention, include in the distance light circuit for lamp and dipped beam circuit for lamp switch triode 7,
Power end and earth terminal, the base stage of multiple switch triode 7 are connected to the output end of the second control chip 3 in control circuit,
It is each and its colelctor electrode is respectively connecting to the outside control enable port 4 of high beam control chip 1 and dipped headlight control chip 2
The emitter stage of individual switch triode 7 is connected to earth terminal；The distance light circuit for lamp is distinguished with the power end in dipped beam circuit for lamp
It is connected to high beam control chip 1 and the outside control enable port 4 in dipped headlight control chip 2, i.e., outside control Enable Pin
Mouth 4 is connected with the colelctor electrode of switch triode 7.
In above-mentioned technical proposal, it can realize the second control chip for high beam control chip by switch triode
Controlled with the switch of dipped headlight control chip；When under the non-opening of signal lamp, switch triode is off state, switch three
Pole pipe causes high beam control chip to connect high level with dipped headlight control chip（Power end）, so that its circuit keeps normal
Setting electric current exports；When under signal lamp opening, the second control chip output pulse signal controlling switch triode so that open
Close triode and be on off state, so that the Enable Pin of high beam control chip and dipped headlight control chip forms setting frequency
The pulse signal of rate and amplitude, and then make it that distance-light power circuit output current is real with the size of the dutycycle of control pulse
Now adjust（Light weakens）, to realize that light modulation of the high beam with dipped headlight under signal lamp opening is handled.Set using above-mentioned
Meter, it can realize that high beam is dimmed with dipped headlight according to signal lamp state by switch triode, so that the application
In power-supply system in job stability between each chip be improved.
As a modification of the present invention, in the distance light circuit for lamp and dipped beam circuit for lamp, the colelctor electrode of switch triode 7
Current-limiting resistance 8 is provided between power end.Using above-mentioned design, it can be when signal lamp not be opened, it is ensured that high beam control
Coremaking piece and the current potential of dipped headlight control chip QX9920 outside enable port are maintained at high level, so that high beam is electric
Road and the output current of dipped beam circuit for lamp are maintained under rated condition, so that its normal output.
As a modification of the present invention, the output end of first control chip and the outside control of Signalized control chip
Enable port processed is connected, and it can carry out signal transmission and current control by the first control chip, with the flicker to signal lamp
The brightness of frequency and signal lamp is controlled.
The above-mentioned power-supply system suitable for locomotive lighting device, it can be occurred by the signal that the first control chip is formed
Device output frequency is 1Hz, and dutycycle is 0.5 square-wave signal, to realize the flicker of signal lamp, the frequency of now signal lamp flicker
Also it is 1Hz；While signal lamp works, signal generator output frequency that the second control chip is formed is 20KHz, duty
Than the square-wave signal for 0.1, controlled with the outside control enable port to high beam control chip and dipped headlight control chip
System so that the output current of remote/dipped beam circuit drops to the 10% of original rated value, so as to cause high beam with dipped headlight compared with just
Normal state luminance reduces, to cause the signal of signal lamp to become apparent.When signal lamp is stopped, the second control chip also stops
Only work, stop producing control pulse square wave, to cause the original rated current of the output current of remote/dipped beam circuit recovery, from
And make it that the brightness of high beam and dipped headlight improves, and recover nominal brightness.
Using the power-supply system suitable for locomotive lighting device of above-mentioned technical proposal, it can pass through the first control chip control
The brightness of the flash speed and signal lamp of signal lamp processed, also, the remote/near of locomotive can be achieved compared with traditional locomotive illumination in it
Light lamp with signal lamp alternation during brilliance control so that the locomotive lighting device based on above-mentioned power-supply system
In the process of moving, the marked effect of its signal and the job stability of lighting device are improved.
Embodiment 2
As a modification of the present invention, the high beam control chip 1, dipped headlight control chip 2, Signalized control core
Piece 3 uses QX9920 chips.Above-mentioned QX9920 chips are using the peak value comparison method mode of fixed turn-off time, its work frequency
Rate reaches as high as 1MHz, can reduce external inductors and filter capacitor volume, efficiency improves, so as to save PCB areas.
The remaining features and advantages of the present embodiment are same as Example 1.
Embodiment 3
As a modification of the present invention, the control chip 6 of the first control chip 5 and second uses NE555 chips.
Above-mentioned NE555 chips can provide good job stability, and improve the holistic cost of power-supply system.
In Fig. 1 to 4, the distance light circuit for lamp in Fig. 1 and Fig. 2 is connected in Fig. 4 with the switch triode 7 in dipped beam circuit for lamp
The output end of first control chip 5（VO）, the input of the Signalized control chip 3 in tally circuit in Fig. 3（Pin 3）
It is connected to the output end of the second control chip 6 in Fig. 4（VO）, Fig. 1 to 4 connected and composed in the present invention according to above-mentioned connected mode
Suitable for the power-supply system of locomotive lighting device.
Further analysis, as shown in Figures 1 to 3, in distance light circuit for lamp, dipped beam circuit for lamp and tally circuit, high beam control
QX9920 pin 1 is output end used by coremaking piece 1, dipped headlight control chip 2, Signalized control chip 3, and it is connected with
The grid of metal-oxide-semiconductor, pin 2 are grounded, and pin 4 is connected to power end；Pin 5 and pin 6 be respectively used to the turn-off time be arranged at it is defeated
Go out current detection feedback.In distance light circuit for lamp and dipped beam circuit for lamp, high beam control chip 1 draws with dipped headlight control chip 2
Pin 3 is input, and it is connected to above-mentioned switch triode 7, in tally circuit, the input of Signalized control chip 3（Draw
Pin 3）Directly it is connected with the first control chip 5.The high beam control chip 1, dipped headlight control chip 2, Signalized control
The outside control enable port 4 of chip 3 is pin 3.
As shown in figure 4, include power input in the control circuit, it is connected with mu balanced circuit, mu balanced circuit by
LM7805 chips are formed.The input of NE555 chips used by the control chip 6 of first control chip 5 and second（VDD）
It is connected with the output end of above-mentioned mu balanced circuit, the first control chip 5 is in parallel with the second control chip 6, and respectively constitutes one
Signal generator.The output end VO of NE555 chips is respectively connecting to high beam control core used by first control chip 5
On the switch triode 7 that piece 1 is connected with QX9920 used by dipped headlight control chip 2, the second control chip 6 is used
The output end VO of NE555 chips be connected to the input of QX9920 used by Signalized control chip.
The remaining features and advantages of the present embodiment are same as Example 2.
Claims (1)
1. a kind of power-supply system suitable for locomotive lighting device, it includes distance light circuit for lamp, dipped beam circuit for lamp, signal lamp electricity
Road and control circuit, it is characterised in that include respectively in the distance light circuit for lamp, dipped beam circuit for lamp, tally circuit remote
Light lamp control chip, dipped headlight control chip, Signalized control chip, the high beam control chip, dipped headlight control chip,
At least one outside control enable port is respectively arranged with Signalized control chip；The electricity suitable for locomotive lighting device
Source system includes control circuit, and the first control chip and the second control chip, the first control chip are provided with control circuit
It is connected with Signalized control chip, the second control chip is outer with high beam control chip and dipped headlight control chip respectively
Portion control enable port is connected, include in the distance light circuit for lamp and dipped beam circuit for lamp switch triode, power end with
Earth terminal, the base stage of multiple switch triode are connected to the output end of the second control chip in control circuit, and its colelctor electrode
The outside control enable port of high beam control chip and dipped headlight control chip is respectively connecting to, each switch triode
Emitter stage is connected to earth terminal；The distance light circuit for lamp is respectively connecting to high beam control with the power end in dipped beam circuit for lamp
Chip and the outside control enable port in dipped headlight control chip, the distance light circuit for lamp is with dipped beam circuit for lamp, switching three
Current-limiting resistance, the output end and Signalized control of first control chip are provided between the colelctor electrode and power end of pole pipe
The outside control enable port of chip is connected, the high beam control chip, dipped headlight control chip, Signalized control chip
QX9920 chips are used, first control chip and the second control chip use NE555 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510871091.0A CN105438057B (en) | 2015-12-02 | 2015-12-02 | Suitable for the power-supply system of locomotive lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510871091.0A CN105438057B (en) | 2015-12-02 | 2015-12-02 | Suitable for the power-supply system of locomotive lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105438057A CN105438057A (en) | 2016-03-30 |
| CN105438057B true CN105438057B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510871091.0A Active CN105438057B (en) | 2015-12-02 | 2015-12-02 | Suitable for the power-supply system of locomotive lighting device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201409245Y (en) * | 2009-05-04 | 2010-02-17 | 肖麟 | Modularization car whole body light intelligent control device |
| CN202541406U (en) * | 2012-01-31 | 2012-11-21 | 上海先进半导体制造股份有限公司 | Control chip for automobile lamp and automobile lamp system |
| CN202896387U (en) * | 2012-11-14 | 2013-04-24 | 东风汽车公司 | Automobile light control system with controller area network (CAN) communication function |
| TWM452091U (en) * | 2012-10-22 | 2013-05-01 | Sanyang Industry Co Ltd | Headlight control device for a vehicle |
| EP2722226A1 (en) * | 2012-10-18 | 2014-04-23 | Koito Manufacturing Co., Ltd. | Lighting control system for vehicle lamp |
| CN104210416A (en) * | 2014-08-07 | 2014-12-17 | 奇瑞汽车股份有限公司 | Daytime running lamp system for automobile |
| CN205149634U (en) * | 2015-12-02 | 2016-04-13 | 南京坦索光电有限公司 | Electrical power generating system suitable for locomotive lighting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0166453B1 (en) * | 1996-07-27 | 1999-10-01 | 한국전자주식회사 | Headlamp control unit |
-
2015
- 2015-12-02 CN CN201510871091.0A patent/CN105438057B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201409245Y (en) * | 2009-05-04 | 2010-02-17 | 肖麟 | Modularization car whole body light intelligent control device |
| CN202541406U (en) * | 2012-01-31 | 2012-11-21 | 上海先进半导体制造股份有限公司 | Control chip for automobile lamp and automobile lamp system |
| EP2722226A1 (en) * | 2012-10-18 | 2014-04-23 | Koito Manufacturing Co., Ltd. | Lighting control system for vehicle lamp |
| TWM452091U (en) * | 2012-10-22 | 2013-05-01 | Sanyang Industry Co Ltd | Headlight control device for a vehicle |
| CN202896387U (en) * | 2012-11-14 | 2013-04-24 | 东风汽车公司 | Automobile light control system with controller area network (CAN) communication function |
| CN104210416A (en) * | 2014-08-07 | 2014-12-17 | 奇瑞汽车股份有限公司 | Daytime running lamp system for automobile |
| CN205149634U (en) * | 2015-12-02 | 2016-04-13 | 南京坦索光电有限公司 | Electrical power generating system suitable for locomotive lighting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105438057A (en) | 2016-03-30 |
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