CN105120560B - Based on acceleration transducer and the adaptive dynamo lighting set of light sensor - Google Patents
Based on acceleration transducer and the adaptive dynamo lighting set of light sensor Download PDFInfo
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- CN105120560B CN105120560B CN201510536289.3A CN201510536289A CN105120560B CN 105120560 B CN105120560 B CN 105120560B CN 201510536289 A CN201510536289 A CN 201510536289A CN 105120560 B CN105120560 B CN 105120560B
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- 238000005286 illumination Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 11
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Abstract
The invention discloses based on acceleration transducer and the adaptive dynamo lighting set of light sensor, including photosensitive module, acceleration module, single chip control module, it is electrically connected with the photosensitive module, acceleration module, DCDC constant-current driven modules are electrically connected with the single chip control module, LED module, is electrically connected with the DCDC constant-current driven modules, single chip control module.The adaptive dynamo lighting set can automatically adjust car light light according to road conditions, speed, surrounding enviroment.
Description
Technical field
The present invention relates to dynamo lighting set technical field, more particularly to one kind can be automatic according to road conditions, speed, surrounding enviroment
Adjust the intelligent bicycle lamp of car light light.
Background technology
At present, the use value of bicycle oneself through be not merely as a kind of vehicles, with the improvement of living standards,
It more occurs in the life of people with the new role of a kind of Green Travel, the instrument of motion exercise.
Bicycle head lamp be it is a kind of be used for night on the bicycle and ride the device of LED illumination, it is for cyclist's
Night cycling is particularly important, is one of necessary safety equipment.
But, the like product of current market is switched by manually opened/closing control, or adjusts the behaviour such as brightness
Make.In the case that especially road conditions are changeable out of doors, frequent operation head lamp, to change brightness, switches dipped beam distance light etc. to adapt to
Corresponding environment, on the one hand, maloperation easily occurs for frequent operation head lamp；On the other hand, the notice of bicyclist is disperseed, easily
Cause danger.
The content of the invention
, should be certainly it is an object of the invention to provide one kind based on acceleration transducer and the adaptive dynamo lighting set of light sensor
Driving lamp can automatically adjust car light light according to road conditions, speed, surrounding enviroment.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
Based on acceleration transducer and the adaptive dynamo lighting set of light sensor, it is characterised in that including：
Photosensitive module, changes the voltage of photosensitive module according to the light intensity of external environment condition, and the photosensitive module includes light
Quick resistance.
Acceleration module, to generate vector acceleration (Ax, Ay, Az) of the bicycle on tri- directions of X, Y, Z.
Single chip control module, is electrically connected with the photosensitive module, acceleration module, to according to the photosensitive module
Voltage calculate the illuminance of the photo resistance, to calculate X, Y, Z according to the vector acceleration (Ax, Ay, Az)
Velocity vector (Ux, Uy, Uz) on three directions；The single chip control module be additionally operable to according to the vector acceleration (Ax,
Ay, Az), velocity vector (Ux, Uy, Uz), the illuminance of photo resistance send dipped headlight switch controlling signal, main furnace building light switch control
One or more in signal processed, current controling signal.
DCDC constant-current driven modules, are electrically connected with the single chip control module, according to the single chip control module
The current controling signal sent controls the size of the output current of the DCDC constant-current driven modules.
LED module, is electrically connected with the DCDC constant-current driven modules, single chip control module；The LED module includes
There are dipped headlight and high beam；The LED module controls dipped headlight and remote according to the output current of the DCDC constant-current driven modules
The intensity of illumination of light lamp, the dipped headlight switch controlling signal sent according to the single chip control module, main furnace building light switch control
Signal control dipped beam lamp switch, main furnace building light switch beat opening/closing.
As a kind of specific embodiment, the DCDC constant-current driven modules include power on-off control circuit；It is described
Power on-off control circuit includes power management chip and power switch.
Further, the single chip control module be additionally operable to according to the vector acceleration (Ax, Ay, Az) and speed to
Amount (Ux, Uy, Uz) sends power switch control signal；The of the power on-off control circuit and the single chip control module
3 pins are connected；The power switch control signal that the power management chip is sent according to the single chip control module controls electricity
Unlatching/closing of source switch.
Further, the power management chip is XC9221C09AMR.
As a kind of specific embodiment, the DCDC constant-current driven modules include current converter circuit, the electric current
Change-over circuit includes current monitoring chip.
Further, the current converter circuit is connected with the 2nd pin of the single chip control module；The electric current prison
Control chip is used for the output of the current controling signal control current converter circuit sent according to the single chip control module
The size of electric current.
Further, the current monitoring chip is ZXCT1010.
As a kind of specific embodiment, the adaptive dynamo lighting set also includes to be connected with the single chip control module
Beacon flashing module；The single chip control module is used for beacon ray light unlatching/closing of mouse beacon flashing module.
Further, when the vector acceleration (Ax, Ay, Az) and velocity vector (Ux, Uy, Uz) are zero and exceed pre-
If duration when, the single chip control module mouse beacon lamp is opened；When the vector acceleration (Ax, Ay, Az) and/
Or velocity vector (Ux, Uy, Uz) is when being not zero, the single chip control module mouse beacon lamp is closed.
As a kind of specific embodiment, the dipped beam lamp switch, main furnace building light switch and power switch are field effect transistor
Pipe.
Compared with prior art, the beneficial effects of the present invention are：
The present invention is become based on acceleration transducer and the adaptive dynamo lighting set of light sensor according to the light of external environment condition
Change, road conditions, bicycle speed, the illumination brightness or progress high beam, the switching of dipped headlight of LED capable of automatic changing；
Further, after bicycle setting in motion, automatically starting illumination.Further, can be certainly after user is stopped
Dynamic close illuminates, and automatic start beacon flashes to indicate the position of car.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams based on acceleration transducer Yu the adaptive dynamo lighting set of light sensor.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific implementation method, the present invention schematic implementation and
Illustrate for explaining the present invention, but it is not as a limitation of the invention.
As shown in figure 1, the present invention included based on acceleration transducer with the adaptive dynamo lighting set of light sensor it is photosensitive
Module 100, acceleration module 200, single chip control module 300, DCDC constant-current driven modules 400, LED module 500 and beacon
Flashing module 600.
Wherein, the photosensitive module 100 is strong according to the light of external environment condition including photo resistance R9, the photo resistance R9
Degree changes the resistance sizes of itself, and then the photosensitive module 100 is with the change of photo resistance R9 resistance values, and changes whole
The voltage of photosensitive module 100.Namely the photosensitive module 100, photosensitive module 100 is changed according to the light intensity of external environment condition
Voltage.Preferably, the photo resistance R9 is GL5528.
The acceleration module 200 to generate bicycle on tri- directions of X, Y, Z vector acceleration (Ax, Ay,
Az), the acceleration module 200 includes a 3-axis acceleration chip U4, the acceleration module 200 and the single-chip microcomputer control
Molding block 300 is electrically connected with, specifically, Xout pins and the single chip control module of the 3-axis acceleration chip U4
300 singlechip control chip U3 the 8th pin is connected, described in the Yout pins and chip U4 of the 3-axis acceleration chip U4
The singlechip control chip U3 of single chip control module 300 the 9th pin connection, the Zout of the 3-axis acceleration chip U4 draws
Pin is connected with the singlechip control chip U3 of the single chip control module 300 the 10th pin, in the Xout pins and the 8th
An AD converter is respectively connected between pin, Yout pins and the 9th pin, Zout pins and the 10th pin.Preferably, described three
Axle acceleration chip U4 is ADXL335.It should be noted that it is a kind of excellent that above-mentioned 3-axis acceleration chip U4, which is ADXL335,
Scheme is selected, the limitation to 3-axis acceleration chip U4 of the present invention is not represented.
The single chip control module 300 reads the vector acceleration Ax in X-direction by AD converter, passes through AD conversion
Device reads the vector acceleration Ay in Y-direction, and the vector acceleration Az in Z-direction is read by AD converter.The single-chip microcomputer
Control module 300 calculated according to the vector acceleration (Ax, Ay, Az) on tri- directions of X, Y, Z velocity vector (Ux, Uy,
Uz)。
The single chip control module 300 is electrically connected with the photosensitive module 100, the single chip control module 300
The voltage of the photosensitive module 100 is read by AD converter.The single chip control module 300 is according to the photosensitive module
100 voltage calculates the illuminance L of the photo resistance.
The single chip control module 300 be additionally operable to according to the vector acceleration (Ax, Ay, Az), velocity vector (Ux,
Uy, Uz), the illuminance of photo resistance send dipped headlight switch controlling signal, main furnace building light switch control signal, current controling signal
In one or more.The single chip control module is additionally operable to according to the vector acceleration (Ax, Ay, Az) and velocity vector
(Ux, Uy, Uz) sends power switch control signal.
The DCDC constant-current driven modules 400 are electrically connected with the single chip control module 300.The DCDC constant currents are driven
Dynamic model block 400 includes power on-off control circuit and current converter circuit.The power on-off control circuit includes power supply
Managing chip U1 and power switch Q1.The 1st pin of the power management chip U1 and the list of the single chip control module 300
Piece machine control chip U3 the 3rd pin connection, the power management chip U1 is sent according to the single chip control module 300
Power switch control signal control power switch Q1 unlatching/closing.Preferably, the power management chip U1 is
XC9221C09AMR, the power switch Q1 are field-effect transistor.It should be noted that above-mentioned power management chip U1 is
XC9221C09AMR is a kind of preferred scheme, does not represent the limitation to power management chip U1 of the present invention.
The current converter circuit includes current monitoring chip U2, and the current converter circuit is controlled with the single-chip microcomputer
The singlechip control chip U3 of module 300 the 2nd pin connection, the current monitoring chip U2 is used for according to the single-chip microcomputer control
The current controling signal that molding block 300 is sent controls the size of the output current of the current converter circuit.Preferably, the electricity
Flow monitoring chip U2 is ZXCT1010.It should be noted that it is a kind of preferred that above-mentioned current monitoring chip U2, which is ZXCT1010,
Scheme, does not represent the limitation to current monitoring chip U2 of the present invention.
The LED module 500 is electrically connected with the DCDC constant-current driven modules 400, is driven according to the DCDC constant currents
The output current of module 400 controls the intensity of illumination of LED.The LED module 500 and the electricity of single chip control module 300
Property connection, the dipped headlight switch controlling signal that is sent according to the single chip control module 300, main furnace building light switch control signal control
Dipped beam lamp switch Q2 processed, main furnace building light switch Q3 beat opening/closing.
Specifically, the LED module 500 includes dipped headlight LED3 and high beam LED2, also includes and dipped headlight
The dipped beam lamp switch Q2, the main furnace building light switch Q3 connected with high beam LED2 of LED3 series connection.The dipped beam lamp switch Q2 with it is described
The 20th pin connection of single chip control module 300, the main furnace building light switch Q3 and the 19th of the single chip control module 300
Pin is connected.Preferably, the dipped beam lamp switch Q2, main furnace building light switch Q3 are field-effect transistor DTS2318.
The beacon flashing module 600 is connected with the 4th pin of the single chip control module 300.The single-chip microcomputer control
Molding block is used for beacon ray light unlatching/closing of mouse beacon flashing module.
Below with instantiation, the method that the adaptive dynamo lighting set of the present invention is controlled in detail：
1st, automatically turn on and illuminated with closing
When user rides bicycle, the acceleration module 200 obtains acceleration of the bicycle on tri- directions of X, Y, Z
Degree is vectorial (Ax, Ay, Az), and the single chip control module 300 reads vector acceleration (Ax, Ay, Az) simultaneously by AD converter
Velocity vector (Ux, Uy, Uz) on tri- directions of X, Y, Z is calculated according to the vector acceleration (Ax, Ay, Az), now, plus
Velocity vector (Ax, Ay, Az) and velocity vector (Ux, Uy, Uz) are not zero, and the single chip control module 300 sends power supply and opened
Control signal is closed, control power switch Q1 conductings, vehicle-mounted dynamo lighting set automatically turns on illumination.
When user's parking, similarly, now, vector acceleration (Ax, Ay, Az) and velocity vector (Ux, Uy, Uz) they are zero, and
And it had been continuously for zero a period of time, such as after 15 seconds, dynamo lighting set closes illumination automatically.
2nd, it is automatic to enable beacon flicker
When user's parking, leave after bicycle, dynamo lighting set is after automatic closing illumination, the single chip control module
Beacon ray light LED1 on 300 mouse beacon flashing modules is lighted, to indicate the position of car.
Specifically, when the vector acceleration (Ax, Ay, Az) and velocity vector (Ux, Uy, Uz) are zero and exceed default
Duration when, the single chip control module mouse beacon lamp is opened.When the vector acceleration (Ax, Ay, Az) and/or
When velocity vector (Ux, Uy, Uz) is not zero, the single chip control module mouse beacon lamp is closed.
3rd, adaption brightness is adjusted
Dynamo lighting set can automatically adjust brightness of illumination according to speed, road conditions and external environment condition light intensity.
When ambient lighting changes, photo resistance change so that photosensitive module voltage change, single chip control module according to
The voltage change of photosensitive module, sends current controling signal, and the current monitoring chip is controlled according to the current controling signal
Output current is adjusted, so as to realize the brightness of illumination for automatically adjusting dynamo lighting set.
When speed changes, single chip control module changes according to velocity vector, sends current controling signal, similarly, real
Now automatically adjust the brightness of illumination of dynamo lighting set.
Similarly, when road conditions change, single chip control module changes according to vector acceleration, so as to realize automatic tune
Save the brightness of illumination of dynamo lighting set.
Specifically, can be when speed is slow and during road conditions bad (hollow, unevenness), brightness of illumination is improved automatically；Work as speed
When slow and road conditions are relatively good, brightness of illumination is reduced automatically.When speed is very fast, brightness of illumination is improved automatically.
4th, adaptive distance-light switching
Dynamo lighting set can set illumination distances automatically according to the brightness of ambient light.
When ambient lighting changes, photo resistance change so that photosensitive module voltage change, single chip control module according to
The voltage change of photosensitive module, sends dipped headlight switch controlling signal or main furnace building light switch control signal, controls dipped beam lamp switch
Q2, main furnace building light switch the Q3 automatic switchover beaten opening/closing, realize dipped headlight, high beam.Such as when ambient lighting preferably (city
Have street lamp) when, automatically switch to lower beam illumination；When ambient lighting condition poor (field does not have street lamp), distance-light is opened simultaneously
Open.
Similarly, when speed changes, single chip control module changes according to velocity vector, sends dipped beam lamp switch control
Signal or main furnace building light switch control signal processed, so as to realize the automatic switchover of dipped headlight, high beam.When road conditions change,
Single chip control module changes according to vector acceleration, realizes the automatic switchover of dipped headlight, high beam.
Such as when speed is slow and during road conditions bad (hollow, unevenness), automatically switches to lower beam illumination；When speed is very fast
When, automatically switch to far lighting.
The technical scheme provided above the embodiment of the present invention is described in detail, specific case used herein
Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help and understands this
The principle of inventive embodiments；Simultaneously for those of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
It will change in formula and application, in summary, this specification content should not be construed as limiting the invention.
Claims (8)
1. based on acceleration transducer and the adaptive dynamo lighting set of light sensor, it is characterised in that including：
Photosensitive module, changes the voltage of photosensitive module according to the light intensity of external environment condition, and the photosensitive module includes photosensitive electricity
Resistance；
Acceleration module, to generate vector acceleration (Ax, Ay, Az) of the bicycle on tri- directions of X, Y, Z；
Single chip control module, is electrically connected with the photosensitive module, acceleration module, to the electricity according to the photosensitive module
Pressure calculates the illuminance of the photo resistance, to calculate X, Y, Z tri- according to the vector acceleration (Ax, Ay, Az)
Velocity vector (Ux, Uy, Uz) on direction；The single chip control module be additionally operable to according to the vector acceleration (Ax, Ay,
Az), velocity vector (Ux, Uy, Uz), the illuminance of photo resistance send dipped headlight switch controlling signal, main furnace building light switch control
One or more in signal, current controling signal；
DCDC constant-current driven modules, are electrically connected with the single chip control module, are sent according to the single chip control module
Current controling signal control the DCDC constant-current driven modules output current size；
LED module, is electrically connected with the DCDC constant-current driven modules, single chip control module；The LED module includes closely
Light lamp and high beam；The LED module controls dipped headlight and high beam according to the output current of the DCDC constant-current driven modules
Intensity of illumination, the dipped headlight switch controlling signal sent according to the single chip control module, main furnace building light switch control signal
Control dipped beam lamp switch, main furnace building light switch beat opening/closing；
The adaptive dynamo lighting set also includes the beacon flashing module being connected with the single chip control module, beacon flicker
Module is used for the position for indicating bicycle；The single chip control module be used for mouse beacon flashing module beacon ray light open/
Close；
When the vector acceleration (Ax, Ay, Az) and velocity vector (Ux, Uy, Uz) are zero and exceed the default duration
When, the single chip control module mouse beacon lamp is opened；
When the vector acceleration (Ax, Ay, Az) and/or velocity vector (Ux, Uy, Uz) are not zero, the single-chip microcomputer control
Module mouse beacon lamp is closed.
2. according to claim 1 be based on acceleration transducer and the adaptive dynamo lighting set of light sensor, its feature exists
In：The DCDC constant-current driven modules include power on-off control circuit；The power on-off control circuit includes power supply
Managing chip and power switch.
3. according to claim 2 be based on acceleration transducer and the adaptive dynamo lighting set of light sensor, its feature exists
In：The single chip control module is additionally operable to according to the vector acceleration (Ax, Ay, Az) and velocity vector (Ux, Uy, Uz) hair
Go out power switch control signal；
The power on-off control circuit is connected with the 3rd pin of the single chip control module；
The power switch control signal that the power management chip is sent according to the single chip control module controls power switch
Unlatching/closing.
4. according to claim 3 be based on acceleration transducer and the adaptive dynamo lighting set of light sensor, its feature exists
In：The power management chip is XC9221C09AMR.
5. according to claim 1 be based on acceleration transducer and the adaptive dynamo lighting set of light sensor, its feature exists
In：The DCDC constant-current driven modules include current converter circuit, and the current converter circuit includes current monitoring chip.
6. according to claim 5 be based on acceleration transducer and the adaptive dynamo lighting set of light sensor, its feature exists
In：The current converter circuit is connected with the 2nd pin of the single chip control module；
The current controling signal that the current monitoring chip is used to be sent according to the single chip control module controls the electric current
The size of the output current of change-over circuit.
7. according to claim 6 be based on acceleration transducer and the adaptive dynamo lighting set of light sensor, its feature exists
In：The current monitoring chip is ZXCT1010.
8. according to claim 2 be based on acceleration transducer and the adaptive dynamo lighting set of light sensor, its feature exists
In：The dipped beam lamp switch, main furnace building light switch and power switch are field-effect transistor.
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| CN201510536289.3A CN105120560B (en) | 2015-08-26 | 2015-08-26 | Based on acceleration transducer and the adaptive dynamo lighting set of light sensor |
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| CN201510536289.3A CN105120560B (en) | 2015-08-26 | 2015-08-26 | Based on acceleration transducer and the adaptive dynamo lighting set of light sensor |
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| CN105120560A CN105120560A (en) | 2015-12-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205560551U (en) * | 2016-04-28 | 2016-09-07 | 乐视控股（北京）有限公司 | Show wide lamp and bicycle |
| CN205560554U (en) * | 2016-04-29 | 2016-09-07 | 乐视控股（北京）有限公司 | A headlight and bicycle for bicycle |
| CN106448262B (en) * | 2016-09-30 | 2019-07-16 | 广州大正新材料科技有限公司 | A kind of intelligent transportation alarm control method |
| CN106530782B (en) * | 2016-09-30 | 2019-11-12 | 广州大正新材料科技有限公司 | A kind of road vehicle traffic alert method |
| CN113859106A (en) * | 2021-10-27 | 2021-12-31 | 杭州萧科节能科技有限公司 | A short-range wireless smart headlight control device |
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