CN217917764U - Have LED headlight for electric motor car of short-distance beam blast and daytime prompt facility concurrently - Google Patents
Have LED headlight for electric motor car of short-distance beam blast and daytime prompt facility concurrently Download PDFInfo
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- CN217917764U CN217917764U CN202222505962.5U CN202222505962U CN217917764U CN 217917764 U CN217917764 U CN 217917764U CN 202222505962 U CN202222505962 U CN 202222505962U CN 217917764 U CN217917764 U CN 217917764U
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Abstract
A LED headlamp with functions of dipped beam brightening and daytime prompting for an electric vehicle comprises a power module, a single chip microcomputer, a headlamp switch, a first lamp bead, a second lamp bead, a third lamp bead, a control module b and a control module c, wherein the power module and the single chip microcomputer are electrically connected to provide constant current output; under the high beam state, first lamp pearl, second lamp pearl, third lamp pearl are lighted under the constant current effect, switch over to the in-process of passing light by the high beam, and control module b plays the effect and makes third lamp pearl extinguish, and control module b makes power module's supply resistance reduce simultaneously for the constant current value of output increases, and the luminance of first lamp pearl, second lamp pearl increases.
Description
Technical Field
The utility model relates to a have short-distance beam blast and daytime prompt facility's LED headlight concurrently for electric motor car.
Background
In the conventional LED headlamp for the electric vehicle on the market, a high beam lamp bead and a low beam lamp bead are simultaneously lightened in a high beam state, the high beam lamp bead is extinguished and the low beam lamp bead is still lightened in the process of switching from the high beam state to the low beam state, and the overall brightness of the LED headlamp is reduced at the moment of switching, so that a relatively obvious sense organ difference in vision is brought to a driver, the riding experience of the rider is influenced, and the safety of driving at night can not be effectively guaranteed for the rider with poor vision; in addition, when the electric vehicle is driven in the daytime, the conventional LED headlamp for the electric vehicle does not have the function of a daytime driving lamp, and if the dipped headlight is turned on, the dipped headlight is turned on as the daytime driving lamp for a long time, so that the large loss of the electric quantity of the storage battery is easily caused, and the driving range of the electric vehicle is influenced to a certain extent.
Disclosure of Invention
To the weak point that exists in the above-mentioned problem, the utility model provides a have LED headlight for electric motor car of short-distance beam blast and prompt facility in daytime concurrently.
In order to achieve the above object, the utility model provides a have short-distance beam blast and daytime prompt facility's LED headlight concurrently, including power module and the singlechip that the electricity is connected in order to provide constant current output, with the headlight switch of singlechip electricity connection, with the singlechip connect be used for constituting the first lamp pearl and the second lamp pearl of short-distance beam light source, be connected with the singlechip be used for constituting the third lamp pearl of distance beam light source and be used for realizing far and near light switch function control module b, control module c, control module b, control module c all with the singlechip electricity is connected, and control module b still with power module electricity is connected and is used for reducing power module's supply resistance;
under the high beam state, first lamp pearl, second lamp pearl, third lamp pearl is lighted under the constant current effect, switch over to the in-process of passing through the light by the high beam, control module b plays the effect and makes third lamp pearl extinguish, control module b makes power module's resistance to power reduce simultaneously, make the constant current value of output increase, first lamp pearl, the luminance of second lamp pearl increases, the holistic luminance change of LED headlight is little in the twinkling of an eye in the switching, and constitute the first lamp pearl of passing through the light source, second lamp pearl blast, more make full use of the heat radiation structure of LED headlight.
As a further improvement of the scheme, the headlight switch at least comprises a closing gear, a near light gear and a far light gear;
in the above technical solution, the headlight switch has a switching function to provide an input signal to the single chip microcomputer, and then the single chip microcomputer provides a control electrical signal to the control module b and the control module c, so as to switch the distance light and the dipped light.
As a further improvement of the scheme, the control module b comprises a mos tube, and a resistor and a voltage stabilizing tube which are connected with the two poles of the mos tube in parallel;
in the technical scheme, the mos tube is mainly used as an on-off switch to realize the on-off control of the circuit.
As a further improvement of the scheme, when the headlight switch is in a low-beam gear during daytime driving, the singlechip provides a pulse signal to the mos tube, so that the first lamp bead and the second lamp bead which form a low-beam light source are intermittently lighted at high frequency; when the headlight switch is in a low-beam gear during night driving, the singlechip provides a continuous high-level signal to the mos tube, so that the first lamp bead and the second lamp bead which form a low-beam light source are continuously lightened;
in above-mentioned technical scheme, the singlechip embeds there is the different mode work round clock of procedure branch for when riding at night, constitute the first lamp pearl of passing light source, second lamp pearl is often bright, in order to guarantee illuminating effect, and when riding in the daytime, through first lamp pearl, second lamp pearl high frequency intermittent type nature lighting control, in order to reach energy-conserving purpose (first lamp pearl, the time that second lamp pearl high frequency intermittent type nature was lighted is short, the naked eye is surveyd, the performance is first lamp pearl, second lamp pearl is the low bright state, use as daytime driving light).
As a further improvement of the scheme, the lamp further comprises a control module a, wherein the control module a is electrically connected with the single chip microcomputer, the control module a and the control module c also comprise a mos tube, a resistor and a voltage stabilizing tube, the resistor and the voltage stabilizing tube are connected to two poles of the mos tube in parallel, and the control module a is used for controlling the on-off of the first lamp bead;
in above-mentioned technical scheme, through increasing control module a, further realize the on-off control function of first lamp pearl, can realize different light effects (when the electric motor car starts, first lamp pearl, second lamp pearl, third lamp pearl are lighted in turn, realize the effect of horse race lamp, and science and technology feels strong) by the different combinations of control module a, control module b, control module c.
The utility model discloses beneficial effect for prior art does: 1. in the process of switching the high beam state to the low beam state, the brightness of the low beam is increased, the whole lighting effect of the LED headlamp is kept basically not to be attenuated, and meanwhile, the performance of the heat dissipation structure is fully utilized; 2. the daytime running lamp has the function of prompting pedestrians and vehicles, is low in energy consumption, overcomes the defect that the conventional electric vehicle does not have the daytime running lamp, and has the effect of reducing the cost by using the conventional dipped headlight lamp bead as the daytime running lamp; 3. through program control, when can realize starting, the first lamp pearl, the second lamp pearl, the alternate lighting of third lamp pearl, the enhancement is felt to product science and technology.
Drawings
Fig. 1 is a logic block diagram of an LED headlight for an electric vehicle with functions of dipped beam brightening and daytime prompting according to the present invention;
FIG. 2 is a driving circuit diagram of the LED headlight for the electric vehicle;
FIG. 3 is a power driving circuit of a single chip microcomputer for providing a 5V power supply to the single chip microcomputer;
fig. 4 is an explanatory diagram of the single chip microcomputer and its pins.
First lamp pearl (LED 1), second lamp pearl (LED 2) are controlled by J1, J2 pin, and third lamp pearl (LED 3) are controlled by Y2 pin.
In the figure: 1. a power supply module; 2. a headlight switch; 3. a single chip microcomputer; 4. a control module a; 5. a first lamp bead; 6. a second lamp bead; 7. a third lamp bead; 8. a control module b; 9. and c, a control module.
Detailed Description
As shown in fig. 1 to 4, the embodiment of the present invention provides a Light Emitting Diode (LED) headlight with functions of dipped beam brightening and daytime prompting for an electric vehicle, which includes a power module 1 and a single chip microcomputer 3 electrically connected to provide constant current output, a headlight switch 2 electrically connected to the single chip microcomputer 3, a first lamp bead 5 and a second lamp bead 6 connected to the single chip microcomputer 3 for forming a dipped beam light source, a third lamp bead 7 connected to the single chip microcomputer 3 for forming a high beam light source, and a control module b8 and a control module c9 for realizing high beam and low beam switching, wherein the control module b8 and the control module c9 are both electrically connected to the single chip microcomputer 3, and the control module b8 is further electrically connected to the power module 1 for reducing the power resistance of the power module 1; the headlight switch 2 at least comprises a closing gear, a near light gear and a far light gear, and has a switching function to provide an input signal to the singlechip, so that the singlechip provides a control electric signal to the control module b and the control module c to realize the switching of the far light and the near light; the control module b8 comprises a mos tube, a resistor and a voltage stabilizing tube which are connected with two poles of the mos tube in parallel, and the mos tube is mainly used as an on-off switch to realize the on-off control of the circuit; when the headlight switch 2 is in a near light gear during daytime driving, the singlechip 3 provides a pulse signal to the mos tube, so that a first lamp bead 5 and a second lamp bead 6 which form a near light source are intermittently lighted at high frequency; when the headlight switch 2 is in a near light gear, the singlechip 3 provides a continuous high-level signal to the mos tube to continuously lighten a first lamp bead 5 and a second lamp bead 6 which form a low-beam light source, and a program is arranged in the singlechip to work in different modes of day and night, so that the first lamp bead and the second lamp bead which form the low-beam light source are normally lightened to ensure the lighting effect when the headlight switch is ridden at night, and the aim of saving energy is fulfilled by high-frequency intermittent lightening control of the first lamp bead and the second lamp bead when the headlight switch is ridden in the daytime (the first lamp bead and the second lamp bead are lightened intermittently in a short high-frequency mode, and are observed by naked eyes to be in a low-lightening state and are used as daytime running lights); LED headlight for electric motor car still includes control module a4, control module a4 is connected with 3 electricity of singlechip, control module a4, control module c9 includes a mos pipe equally and parallelly connected resistance and the stabilivolt on these mos pipe two poles of the earth, control module a4 is used for the on-off control of first lamp pearl 5, through increasing control module a, further realize the on-off control function of first lamp pearl, can realize different light effects (when the electric motor car starts, first lamp pearl, second lamp pearl, third lamp pearl is lighted in turn by different combinations of control module a, control module b, control module c, realize the effect of horse race lamp, the science and technology is felt strong).
Under the high beam state, first lamp pearl, second lamp pearl, third lamp pearl is lighted under the constant current effect, switch over to the in-process of passing through the light by the high beam, control module b plays the effect and makes third lamp pearl extinguish, control module b makes power module's resistance to power reduce simultaneously, make the constant current value of output increase, first lamp pearl, the luminance of second lamp pearl increases, the holistic luminance change of LED headlight is little in the twinkling of an eye in the switching, and constitute the first lamp pearl of passing through the light source, second lamp pearl blast, more make full use of the heat radiation structure of LED headlight. The LED headlamp for the electric vehicle has the following advantages: 1. in the process of switching the high beam state to the low beam state, the brightness of the low beam is increased, the overall lighting effect of the LED headlamp is kept basically not to be attenuated, meanwhile, the performance of the heat dissipation structure is fully utilized, the defect that the conventional electric vehicle does not have a daytime running lamp is overcome, and the conventional low beam lamp bead is used as the daytime running lamp, so that the cost is reduced; 2. the device has the function of a daytime running lamp, plays a role of prompting pedestrians and vehicles, and is low in energy consumption; 3. through program control, when can realize starting, the alternate of first lamp pearl, second lamp pearl, third lamp pearl is lighted, and the enhancement is felt to product science and technology.
When in specific use, the utility model is convenient to understand, and is explained as follows by combining the attached drawings:
referring to the circuit diagrams of fig. 2 and 4, a first lamp bead (LED 1), a second lamp bead (LED 2) and a third lamp bead (LED 3) are connected in series, when a headlight switch is in a near light gear, a J2 pin of a single chip outputs an electric signal to a control module b, a mos tube (Q2) at the control module b is turned on, so that the third lamp bead (LED 3) is in short circuit, that is, the third lamp bead (LED 3) constituting a high beam light source is turned off, the first lamp bead (LED 1) and the second lamp bead (LED 2) constituting a low beam light source are turned on, and meanwhile, the J2 pin outputs an electric signal to the power module 1, so that the reduction of a power resistance is realized, and the brightness of the first lamp bead (LED 1) and the second lamp bead (LED 2) constituting a low beam light source is increased; when the headlight switch is in the distance light shelves, the Y2 pin output signal of telecommunication to control module c of singlechip, this moment, mos pipe (Q3) of control module c department switch on, and mos pipe (Q2) of control module b department are in the off-state, and first lamp pearl (LED 1), second lamp pearl (LED 2), third lamp pearl (LED 3) are all lighted.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a have LED headlight for electric motor car of short-distance beam brightening and daytime prompt facility concurrently which characterized in that: the high-beam and low-beam LED lamp comprises a power module (1) and a single chip microcomputer (3) which are electrically connected to provide constant current output, a headlamp switch (2) which is electrically connected with the single chip microcomputer (3), a first lamp bead (5) and a second lamp bead (6) which are connected with the single chip microcomputer (3) and used for forming a low-beam light source, a third lamp bead (7) which is connected with the single chip microcomputer (3) and used for forming a high-beam light source, a control module b (8) and a control module c (9) which are used for achieving a high-beam and low-beam switching function, wherein the control module b (8) and the control module c (9) are electrically connected with the single chip microcomputer (3), and the control module b (8) is further electrically connected with the power module (1) and used for reducing the power resistance of the power module (1).
2. The LED headlamp with functions of low beam brightness enhancement and daytime prompt for the electric vehicle as claimed in claim 1, wherein: the headlight switch (2) at least comprises a closing gear, a near light gear and a far light gear.
3. The LED headlight with low beam brightness enhancement and daytime prompting functions for the electric vehicle as claimed in claim 2, wherein: and the control module b (8) comprises a mos tube, a resistor and a voltage stabilizing tube which are connected with two poles of the mos tube in parallel.
4. The LED headlight with low beam brightness enhancement and daytime prompting functions for the electric vehicle as claimed in claim 3, wherein: when the headlight switch (2) is in a near light gear during daytime driving, the singlechip (3) provides a pulse signal to the mos tube, so that the first lamp bead (5) and the second lamp bead (6) which form a near light source are intermittently lighted at high frequency; when the headlight switch (2) is in a near light gear during night driving, the single chip microcomputer (3) provides a continuous high-level signal to the mos tube, so that the first lamp bead (5) and the second lamp bead (6) which form a near light source are continuously lightened.
5. The LED headlight with low beam brightness enhancement and daytime prompting functions for the electric vehicle as claimed in claim 4, wherein: the lamp is characterized by further comprising a control module a (4), the control module a (4) is electrically connected with the single chip microcomputer (3), the control module a (4) and the control module c (9) also comprise a mos tube, a resistor and a voltage stabilizing tube, the resistor and the voltage stabilizing tube are connected to the two poles of the mos tube in parallel, and the control module a (4) is used for controlling the on-off of the first lamp bead (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222505962.5U CN217917764U (en) | 2022-09-22 | 2022-09-22 | Have LED headlight for electric motor car of short-distance beam blast and daytime prompt facility concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222505962.5U CN217917764U (en) | 2022-09-22 | 2022-09-22 | Have LED headlight for electric motor car of short-distance beam blast and daytime prompt facility concurrently |
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| Publication Number | Publication Date |
|---|---|
| CN217917764U true CN217917764U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222505962.5U Active CN217917764U (en) | 2022-09-22 | 2022-09-22 | Have LED headlight for electric motor car of short-distance beam blast and daytime prompt facility concurrently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217917764U (en) |
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2022
- 2022-09-22 CN CN202222505962.5U patent/CN217917764U/en active Active
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