CN205149634U - Electrical power generating system suitable for locomotive lighting device - Google Patents
Electrical power generating system suitable for locomotive lighting device Download PDFInfo
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- CN205149634U CN205149634U CN201520985401.7U CN201520985401U CN205149634U CN 205149634 U CN205149634 U CN 205149634U CN 201520985401 U CN201520985401 U CN 201520985401U CN 205149634 U CN205149634 U CN 205149634U
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- control chip
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- passing light
- country beam
- control
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Abstract
The utility model discloses an electrical power generating system suitable for locomotive lighting device, it is including far -reaching headlamp control chip, passing lamp control chip, signal lamp control chip, and it is provided with respectively that at least one external control makes can port, electrical power generating system is provided with a control chip and the 2nd control chip including control circuit among, a control chip is connected with signal lamp control chip, and the 2nd control chip is connected with far -reaching headlamp control chip and passing lamp control chip respectively, adopt above -mentioned technical scheme's electrical power generating system suitable for locomotive lighting device, its the far away / passing lamp that can realize the locomotive than the illumination of the locomotive in traditional is at the brilliance control in the alternative working process with the signal lamp to making and sailing the in -process because above -mentioned electrical power generating system's locomotive lighting device is expert at, the effect of marking of its signal and lighting device's job stabilization nature all can be improved.
Description
Technical field
The present invention relates to a kind of power electronic system, especially a kind of power-supply system being applicable to locomotive illumination equipment.
Background technology
The light equipment of locomotive is one of necessary device in locomotive driving process, and it effectively can guarantee the safety of all the other vehicles and pedestrian in locomotive itself and locomotive driving distance.Existing locomotive light equipment often includes country beam, passing light and signal lamp, the control method of traditional illumination equipment is, order about country beam, passing light and signal lamp by corresponding supply unit to interlock work, but, for the locomotive travelled under complex road condition, as mining area vehicle etc., its to the requirement of the signal designation of signal lamp far above general vehicle, and it also must carry out illumination to a certain degree while signal designation, so cause the interlock mode of work of above-mentioned country beam, passing light and signal lamp to be difficult to meet its demand.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of power-supply system of locomotive illumination equipment, and it can realize signal lamp and the optimal control under far away/passing light mode of operation in locomotive driving process.
For solving the problems of the technologies described above, the present invention relates to a kind of power-supply system being applicable to locomotive illumination equipment, it includes country beam circuit, passing light circuit, tally circuit and control circuit; Include country beam control chip, passing light control chip, Signalized control chip in described country beam circuit, passing light circuit, tally circuit respectively, in described country beam control chip, passing light control chip, Signalized control chip, be respectively arranged with at least one external control enable port; The described power-supply system being applicable to locomotive illumination equipment includes control circuit, the first control chip and the second control chip is provided with in control circuit, first control chip is connected with Signalized control chip, and the second control chip is connected with the external control enable port of country beam control chip and passing light control chip respectively.
As a modification of the present invention, switch triode, power end and ground terminal has been included in described country beam circuit and passing light circuit, the base stage of multiple switch triode is all connected to the mouth of the second control chip in control circuit, and its collecting electrode is connected to the external control enable port of country beam control chip and passing light control chip respectively, the emitter of each switch triode is all connected to ground terminal; Power end in described country beam circuit and passing light circuit is connected to the external control enable port in country beam control chip and passing light control chip respectively.
In technique scheme, its by switch triode to realize the switch control rule of the second control chip for country beam control chip and passing light control chip; When under the non-opening of signal lamp, switch triode is in off state, and switch triode makes country beam control chip and passing light control chip connect high level (power end), thus makes country beam circuit and passing light circuit keep normal current to export; When under signal lamp opening, second control chip output pulse signal master cock aerotron, switch triode is made to be on off state, thus make the Enable Pin of country beam control chip and passing light control chip form the impulse singla of setpoint frequency and amplitude, and then make distance-light power circuit outgoing current along with size realization adjustment (light weakens) of the dutycycle of control wave, to realize country beam and the light modulation process of passing light under signal lamp opening.Adopt above-mentioned design, it realizes country beam by switch triode and passing light carries out light modulation according to signal lamp state, thus the working stability in the power-supply system in the application between each chip is improved.
As a modification of the present invention, in described country beam circuit and passing light circuit, between the collecting electrode of switch triode and power end, be provided with current-limiting resistance.Adopt above-mentioned design, it can when signal lamp not be opened, guarantee that the current potential of the outside enable port of country beam control chip and passing light control chip remains on high level, thus under making the outgoing current of country beam circuit and passing light circuit remain on the rated condition of design.
As a modification of the present invention, the mouth of described first control chip is connected with the external control enable port of Signalized control chip, it carries out Signal transmissions and current control by the first control chip, to control the flicker frequency of signal lamp and the brightness of signal lamp.
As a modification of the present invention, described country beam control chip, passing light control chip, Signalized control chip all adopt QX9920 chip.Above-mentioned QX9920 chip adopts the peak value comparison method mode of fixing turn-off time, and its frequency of operation reaches as high as 1MHz, and external inductors and filter capacitor volume can be made to reduce, and efficiency improves, thus saving PCB surface is amassed.
As a modification of the present invention, described first control chip and the second control chip all adopt NE555 chip.Above-mentioned NE555 chip can provide good working stability, and improves the holistic cost of power-supply system.
The above-mentioned power-supply system being applicable to locomotive illumination equipment, its signal generator output signal formed by the first control chip, to realize the flicker of signal lamp, while signal lamp work, second control chip is by controlling the external control enable port of country beam control chip and passing light control chip, reduce to make the received current of country beam control chip and passing light control chip, thus cause country beam and passing light comparatively to reduce in normal condition brightness, to make the signal of signal lamp more obvious.When signal lamp quits work, second control chip quits work, make the Enable Pin get out of hand signal of country beam control chip and passing light control chip and remain on high level state, therefore make circuit recover specified output services state, namely received current returns to normal condition, thus makes the brightness of country beam and passing light also increase to original nominal.
Adopt the power-supply system being applicable to locomotive illumination equipment of technique scheme, its flash speed by the first control chip control signal lamp and the brightness of signal lamp, and, its compared with in traditional locomotive illumination can realize locomotive far away/passing light with the beam control in signal lamp alternation process, thus make based on above-mentioned power-supply system locomotive illumination equipment in the process of moving, the marked effect of its signal and the working stability of illumination equipment are all improved.
Accompanying drawing explanation
Fig. 1 is country beam circuit diagram in the present invention;
Fig. 2 is passing light 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-country beam control chip, 2-passing light control chip, 3-Signalized control chip, 4-external control enable port, the 5-the first control chip, the 6-the second control chip, 7-switch triode, 8-current-limiting resistance.
Detailed description of the invention
Below in conjunction with detailed description of the invention, illustrate the present invention further, following detailed description of the invention should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.
Embodiment 1
A kind of power-supply system being applicable to locomotive illumination equipment as shown in Figures 1 to 4, it includes country beam circuit, passing light circuit, tally circuit and control circuit; Include country beam control chip 1, passing light control chip 2, Signalized control chip 3 in described country beam circuit, passing light circuit, tally circuit respectively, in described country beam control chip 1, passing light control chip 2, Signalized control chip 3, be respectively arranged with an external control enable port 4; The described power-supply system being applicable to locomotive illumination equipment includes control circuit, the first control chip 5 and the second control chip 6 is provided with in control circuit, first control chip 5 is connected with Signalized control chip 3, and the second control chip 6 is connected with the external control enable port 4 of country beam control chip 1 and passing light control chip 2 respectively.
As a modification of the present invention, switch triode 7, power end and ground terminal has been included in described country beam circuit and passing light circuit, the base stage of multiple switch triode 7 is all connected to the mouth of the second control chip 3 in control circuit, and its collecting electrode is connected to the external control enable port 4 of country beam control chip 1 and passing light control chip 2 respectively, the emitter of each switch triode 7 is all connected to ground terminal; Power end in described country beam circuit and passing light circuit is connected to country beam control chip 1 and the external control enable port 4 in passing light control chip 2 respectively, and namely external control enable port 4 is connected with the collecting electrode of switch triode 7.
In technique scheme, its by switch triode to realize the switch control rule of the second control chip for country beam control chip and passing light control chip; When under the non-opening of signal lamp, switch triode is in off state, and switch triode makes country beam control chip and passing light control chip connect high level (power end), thus makes its circuit keep normal setting electric current to export; When under signal lamp opening, second control chip output pulse signal master cock aerotron, switch triode is made to be on off state, thus make the Enable Pin of country beam control chip and passing light control chip form the impulse singla of setpoint frequency and amplitude, and then make distance-light power circuit outgoing current along with size realization adjustment (light weakens) of the dutycycle of control wave, to realize country beam and the light modulation process of passing light under signal lamp opening.Adopt above-mentioned design, it realizes country beam by switch triode and passing light carries out light modulation according to signal lamp state, thus the working stability in the power-supply system in the application between each chip is improved.
As a modification of the present invention, in described country beam circuit and passing light circuit, between the collecting electrode of switch triode 7 and power end, be provided with current-limiting resistance 8.Adopt above-mentioned design, it can when signal lamp not be opened, guarantee that the current potential of the outside enable port of country beam control chip and passing light control chip QX9920 remains on high level, thus under making the outgoing current of country beam circuit and passing light circuit remain on rated condition, normally export to make it.
As a modification of the present invention, the mouth of described first control chip is connected with the external control enable port of Signalized control chip, it carries out Signal transmissions and current control by the first control chip, to control the flicker frequency of signal lamp and the brightness of signal lamp.
The above-mentioned power-supply system being applicable to locomotive illumination equipment, it is 1Hz by the signal generator output frequency that the first control chip is formed, and dutycycle is the square-wave signal of 0.5, and to realize the flicker of signal lamp, the frequency of now signal lamp flicker is also 1Hz; While signal lamp work, the signal generator output frequency that second control chip is formed is 20KHz, dutycycle is the square-wave signal of 0.1, to control the external control enable port of country beam control chip and passing light control chip, the outgoing current of far away/dipped beam circuit is made to drop to 10% of original rated value, thus cause country beam and passing light comparatively to reduce in normal condition brightness, to make the signal of signal lamp more obvious.When signal lamp quits work, the second control chip also quits work, and stops producing control wave square wave, to make the outgoing current of far away/dipped beam circuit recover original rated current, thus the brightness of country beam and passing light is improved, and recovers nominal brightness.
Adopt the power-supply system being applicable to locomotive illumination equipment of technique scheme, its flash speed by the first control chip control signal lamp and the brightness of signal lamp, and, its compared with in traditional locomotive illumination can realize locomotive far away/passing light with the beam control in signal lamp alternation process, thus make based on above-mentioned power-supply system locomotive illumination equipment in the process of moving, the marked effect of its signal and the working stability of illumination equipment are all improved.
Embodiment 2
As a modification of the present invention, described country beam control chip 1, passing light control chip 2, Signalized control chip 3 all adopt QX9920 chip.Above-mentioned QX9920 chip adopts the peak value comparison method mode of fixing turn-off time, and its frequency of operation reaches as high as 1MHz, and external inductors and filter capacitor volume can be made to reduce, and efficiency improves, thus saving PCB surface is amassed.
All the other feature & benefits of the present embodiment are all identical with embodiment 1.
Embodiment 3
As a modification of the present invention, described first control chip 5 and the second control chip 6 all adopt NE555 chip.Above-mentioned NE555 chip can provide good working stability, and improves the holistic cost of power-supply system.
In Fig. 1 to 4, country beam circuit in Fig. 1 and Fig. 2 and the switch triode 7 in passing light circuit are connected to the mouth (VO) of the first control chip 5 in Fig. 4, the input end (pin 3) of the Signalized control chip 3 in the tally circuit in Fig. 3 is connected to the mouth (VO) of the second control chip 6 in Fig. 4, and Fig. 1 to 4 connects and composes the power-supply system being applicable to locomotive illumination equipment in the present invention according to above-mentioned connection mode.
Further analysis, as shown in Figures 1 to 3, in country beam circuit, passing light circuit and signal circuit for lamp, the pin 1 of the QX9920 that country beam control chip 1, passing light control chip 2, Signalized control chip 3 adopt is mouth, it is connected with the grid of metal-oxide-semiconductor, pin 2 ground connection, pin 4 is connected to power end; Pin 5 and pin 6 are respectively used to the turn-off time and are arranged at output electric current measure and feed back.In country beam circuit and passing light circuit, country beam control chip 1 is input end with the pin 3 of passing light control chip 2, it is connected to above-mentioned switch triode 7, and in tally circuit, the input end (pin 3) of Signalized control chip 3 is directly connected with the first control chip 5.The external control enable port 4 of described country beam control chip 1, passing light control chip 2, Signalized control chip 3 is pin 3.
As shown in Figure 4, include power input in described control circuit, it is connected with mu balanced circuit, and mu balanced circuit is made up of LM7805 chip.The input end (VDD) of the NE555 chip that described first control chip 5 adopts with the second control chip 6 is connected with the mouth of above-mentioned mu balanced circuit, and the first control chip 5 is in parallel with the second control chip 6, and forms a signal generator respectively.The mouth VO of the NE555 chip that described first control chip 5 adopts is connected on the switch triode 7 that country beam control chip 1 is connected with the QX9920 that passing light control chip 2 adopts respectively, and the mouth VO of the NE555 chip that the second control chip 6 adopts is connected to the input end of the QX9920 that Signalized control chip adopts.
All the other feature & benefits of the present embodiment are all identical with embodiment 2.
Claims (6)
1. one kind is applicable to the power-supply system of locomotive illumination equipment, it includes country beam circuit, passing light circuit, tally circuit and control circuit, it is characterized in that, include country beam control chip, passing light control chip, Signalized control chip in described country beam circuit, passing light circuit, tally circuit respectively, in described country beam control chip, passing light control chip, Signalized control chip, be respectively arranged with at least one external control enable port;
The described power-supply system being applicable to locomotive illumination equipment includes control circuit, the first control chip and the second control chip is provided with in control circuit, first control chip is connected with Signalized control chip, and the second control chip is connected with the external control enable port of country beam control chip and passing light control chip respectively.
2. according to the power-supply system being applicable to locomotive illumination equipment according to claim 1, it is characterized in that, switch triode, power end and ground terminal has been included in described country beam circuit and passing light circuit, the base stage of multiple switch triode is all connected to the mouth of the second control chip in control circuit, and its collecting electrode is connected to the external control enable port of country beam control chip and passing light control chip respectively, the emitter of each switch triode is all connected to ground terminal; Power end in described country beam circuit and passing light circuit is connected to the external control enable port in country beam control chip and passing light control chip respectively.
3. according to the power-supply system being applicable to locomotive illumination equipment according to claim 2, it is characterized in that, in described country beam circuit and passing light circuit, between the collecting electrode of switch triode and power end, be provided with current-limiting resistance.
4. according to the power-supply system being applicable to locomotive illumination equipment described in Claims 2 or 3, it is characterized in that, the mouth of described first control chip is connected with the external control enable port of Signalized control chip.
5. according to the power-supply system being applicable to locomotive illumination equipment according to claim 1, it is characterized in that, described country beam control chip, passing light control chip, Signalized control chip all adopt QX9920 chip.
6. according to the power-supply system being applicable to locomotive illumination equipment according to claim 1, it is characterized in that, described first control chip and the second control chip all adopt NE555 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985401.7U CN205149634U (en) | 2015-12-02 | 2015-12-02 | Electrical power generating system suitable for locomotive lighting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985401.7U CN205149634U (en) | 2015-12-02 | 2015-12-02 | Electrical power generating system suitable for locomotive lighting device |
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| Publication Number | Publication Date |
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| CN205149634U true CN205149634U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520985401.7U Active CN205149634U (en) | 2015-12-02 | 2015-12-02 | Electrical power generating system suitable for locomotive lighting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438057A (en) * | 2015-12-02 | 2016-03-30 | 南京坦索光电有限公司 | Power supply system suitable for lighting device of locomotive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438057A (en) * | 2015-12-02 | 2016-03-30 | 南京坦索光电有限公司 | Power supply system suitable for lighting device of locomotive |
| CN105438057B (en) * | 2015-12-02 | 2018-02-16 | 南京坦索光电有限公司 | Suitable for the power-supply system of locomotive lighting device |
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