CN111526628B - Circuit for changing light state through flashlight of mobile phone and implementation method thereof - Google Patents
Circuit for changing light state through flashlight of mobile phone and implementation method thereof Download PDFInfo
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- CN111526628B CN111526628B CN202010579622.XA CN202010579622A CN111526628B CN 111526628 B CN111526628 B CN 111526628B CN 202010579622 A CN202010579622 A CN 202010579622A CN 111526628 B CN111526628 B CN 111526628B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000003381 stabilizer Substances 0.000 claims abstract description 21
- 230000008859 change Effects 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims description 13
- 239000011324 bead Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000033764 rhythmic process Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/325—Pulse-width modulation [PWM]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Telephone Function (AREA)
Abstract
The invention discloses a circuit for changing a light state through a mobile phone flashlight, which comprises a driver and an LED lamp set, wherein the LED lamp set is connected with the driver, the V+ end of the driver is connected with the 2 pin of a voltage stabilizer U1, the 3 pin of the voltage stabilizer U1 is connected with the 5 pin of a chip U2, the PWM end of the driver is connected with the 20 pin of the chip U2, the 9 pin of the chip U2 is connected with the 3 pin of the voltage stabilizer U1, and the 5 pin of the chip U2 is also connected with a phototriode Q1; the invention also discloses a method for realizing the circuit for changing the light state through the flashlight of the mobile phone. According to the invention, the on-off signal of the mobile phone flashlight is detected through the phototriode Q1, the on-off signal of the mobile phone flashlight is converted into a variable electric signal through the phototriode Q1, the chip U2 converts the change of the electric signal into a variable digital signal, the digital signal is further analyzed to identify the on-off time of the mobile phone flashlight, and the state of the light which a user wants to adjust is adjusted through the combination of the time.
Description
Technical Field
The invention belongs to the technical field of light state control, and particularly relates to a circuit for changing a light state through a mobile phone flashlight and an implementation method thereof.
Background
With the development of technology, more and more illumination fields select to use LED products, especially high-power LED products. The LED has the advantages of high light efficiency, long service life, green environmental protection, intelligent control and the like, and becomes a new generation of illumination light source.
Along with the popularization of the LED lamp, the requirements of people on the light state of the LED lamp are higher, and the current mode of adjusting the light state in the market mainly comprises switching, dialing and touching the switch to realize state adjustment;
the following disadvantages exist during use: if the adjustment state cannot be controlled in time; the structure is difficult to process; is easily triggered by mistake due to environmental influence.
Disclosure of Invention
The invention aims to provide a circuit for changing the light state through a flashlight of a mobile phone so as to solve the problems in the background art. The circuit for changing the light state through the flashlight of the mobile phone has the characteristics of simple structure and low influence by environment.
The invention further aims to provide a method for realizing the circuit for changing the light state through the flashlight of the mobile phone.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a circuit through cell-phone flashlight change light state, including driver and LED banks, the anodal LED+ end connection of LED banks and driver, the negative pole of LED banks is connected with the LED-end of driver, the V+ end of driver is connected with the 2 feet of stabiliser U1, the V-ground connection of driver, the 3 feet of stabiliser U1 is connected with the 5 feet of chip U2, the 1 foot ground connection of stabiliser U1, the PWM end of driver is connected with the 20 feet of chip U2, the 9 feet of chip U2 are connected with the 3 feet of stabiliser U1, the 7 feet ground connection of chip U2, the 5 feet of chip U2 still is connected with phototriode Q1, the other end ground connection of phototriode Q1.
In the invention, the LED lamp group comprises a plurality of LED lamp beads which are sequentially connected in series.
In the present invention, a resistor R1 is connected between pin 5 of the chip U2 and pin 3 of the voltage regulator U1.
Further, the invention further comprises a light source for illuminating the phototransistor Q1.
In the invention, the method for realizing the circuit for changing the light state by the flashlight of the mobile phone comprises the following steps:
(1) The live wire end L and the zero wire end N of the driver are connected into 220V commercial power, the V+ end of the driver and the V-end of the driver are stabilized by a voltage stabilizer U1 and then supply power to a chip U2, the chip U2 reads a state memory in the chip to obtain a state before the LED lamp set, and then PWM output of the chip U2 is used for lighting the LED lamp set;
(2) The LED lamp group starts to count down after being electrified, the chip U2 detects whether the light change exists at the Q1 end of the phototriode in the counting down process, if the light change exists and the time combination logic is met, the output light state is changed, the purpose of adjusting the light state is achieved, and if the light change is not detected, the light state is maintained unchanged;
(3) In the power-on countdown time of the LED lamp set, the LED lamp set irradiates towards the phototriode Q1 through the light source, then the LED lamp set is switched on and off in the rhythm of N seconds, at the moment, the light signal of the light source switching lamp is converted into an electric signal through the phototriode Q1, and the chip U2 recognizes the lamp-on and lamp-off actions;
(4) After the chip U2 recognizes the action of switching the lamp, starting to record continuous time intervals of switching the lamp, judging that the operation is artificial and regular if the action time of switching the lamp is between N seconds for M times continuously, and entering into an output regulation state by the system;
(5) After the system recognizes M complete switching actions, the system adjusts the light output state at the moment of turning off the lamp for the user to select until the adjusted light state meets the user requirement;
(6) The system records the current state after the adjustment is completed so as to maintain the current state output when the power is next time.
In the method, in step (2), the countdown time is always 60 seconds.
In the invention, the light source in the step (3) is the light of the flashlight of the mobile phone.
In the invention, the N seconds in the step (3) and the step (4) are 1-3 seconds.
In the invention, the method for implementing the circuit for changing the light state by the flashlight of the mobile phone is characterized in that M times in the step (4) and the step (5) are 3 times.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the light-on/off signal sent by the mobile phone flashlight is detected through the phototriode Q1, the light-on/off signal is converted into a variable electric signal through the phototriode Q1, the change of the electric signal is converted into a variable digital signal through the chip U2, the digital signal is further analyzed to identify the light-on and light-off time of the mobile phone flashlight, and the state of the light which a user wants to adjust is adjusted through the combination of the time;
2. the inventor and the lamp can operate at a short distance, so that the state of the lamp can be conveniently observed;
3. the lamp does not need to be provided with a mechanical switch such as dial or touch, and the like, so that the waterproof effect of the lamp is facilitated;
4. according to the invention, the on-lamp and off-lamp time of the flashlight of the mobile phone is identified through the chip U2, and the state of the light which the user wants to adjust is adjusted through the combination of the time, so that the influence of the environment is low.
Drawings
FIG. 1 is a schematic circuit diagram of the present invention;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the present invention provides the following technical solutions: the utility model provides a circuit through cell-phone flashlight change light state, including driver and LED banks, the anodal LED+ end connection of LED banks and driver, the negative pole of LED banks is connected with the LED-end of driver, the V+ end of driver is connected with the 2 feet of stabiliser U1, the V-ground connection of driver, the 3 feet of stabiliser U1 is connected with the 5 feet of chip U2, the 1 foot ground connection of stabiliser U1, the PWM end of driver is connected with the 20 feet of chip U2, the 9 feet of chip U2 are connected with the 3 feet of stabiliser U1, the 7 feet ground connection of chip U2, the 5 feet of chip U2 still is connected with phototriode Q1, the other end ground connection of phototriode Q1.
Further, the LED lamp group comprises a plurality of LED lamp beads which are sequentially connected in series.
Further, a resistor R1 is connected between the 5 pin of the chip U2 and the 3 pin of the voltage regulator U1.
Through adopting above-mentioned technical scheme, resistance R1 and phototriode Q1 establish ties, and phototriode Q1 receives the light signal of different intensity and flows the current value of phototriode Q1 can be different to the pressure drop that produces on resistance R1 is different, and chip U2 just can discern the law change of light.
Further, a light source for illuminating the phototransistor Q1 is also included.
Further, the implementation method of the circuit for changing the light state through the flashlight of the mobile phone comprises the following steps:
(1) The live wire end L and the zero wire end N of the driver are connected into 220V commercial power, the V+ end of the driver and the V-end of the driver are stabilized by a voltage stabilizer U1 and then supply power to a chip U2, the chip U2 reads a state memory in the chip to obtain a state before the LED lamp set, and then PWM output of the chip U2 is used for lighting the LED lamp set;
(2) The LED lamp group starts to count down after being electrified, the chip U2 detects whether the light change exists at the Q1 end of the phototriode in the counting down process, if the light change exists, the output light state is changed if the time combination logic is met (the switching action is performed at the rhythm of N seconds on and N seconds off), the purpose of adjusting the light state is achieved, and if the light change is not detected, the light state is maintained unchanged;
(3) In the power-on countdown time of the LED lamp set, the LED lamp set irradiates towards the phototriode Q1 through the light source, then the LED lamp set is switched on and off in the rhythm of N seconds, at the moment, the light signal of the light source switching lamp is converted into an electric signal through the phototriode Q1, and the chip U2 recognizes the lamp-on and lamp-off actions;
(4) After the chip U2 recognizes the action of switching the lamp, starting to record continuous time intervals of switching the lamp, judging that the operation is artificial and regular if the action time of switching the lamp is between N seconds for M times continuously, and entering into an output regulation state by the system;
(5) After the system recognizes M complete switching actions, the system adjusts the light output state at the moment of turning off the lamp for the user to select until the adjusted light state meets the user requirement;
(6) The system records the current state after the adjustment is completed so as to maintain the current state output when the power is next time.
Further, in the step (2), the countdown time is 60 seconds.
Further, the light source in the step (3) is the flashlight light of the mobile phone.
Further, N seconds in step (3) and step (4) are 1 second.
Further, M times in the step (4) and the step (5) are 3 times.
Example 2
This embodiment differs from embodiment 1 in that: further, N seconds in step (3) and step (4) are 2 seconds.
Example 3
This embodiment differs from embodiment 1 in that: further, N seconds in the step (3) and the step (4) are 3 seconds.
In the invention, a phototriode Q1 is a flat-head phototriode with phi 3mm with hundred million lights; the resistor R1 is a 0805 patch resistor sold by a Fenghuagao manufacturer; the chip U2 selects an N76E003AT20 singlechip sold in a new pond; the voltage stabilizer U1 is an ME6203 voltage stabilizer of micro-allied; the driver is EUM-075S075DT type driver; the LED lamp beads are 9V/100mA LED lamp beads sold by wood Lin Sen factories.
In summary, the invention detects the on-off signal sent by the flashlight of the mobile phone through the phototransistor Q1, converts the on-off signal into a variable electric signal through the phototransistor Q1, and the chip U2 converts the change of the electric signal into a variable digital signal, further analyzes the digital signal to identify the on-off time and the off-on time of the flashlight of the mobile phone, and adjusts the state of the light which the user wants to adjust through the combination of the time; the inventor and the lamp can operate at a short distance, so that the state of the lamp can be conveniently observed; the lamp does not need to be provided with a mechanical switch such as dial or touch, and the like, so that the waterproof effect of the lamp is facilitated; according to the invention, the on-lamp and off-lamp time of the flashlight of the mobile phone is identified through the chip U2, and the state of the light which the user wants to adjust is adjusted through the combination of the time, so that the influence of the environment is low.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The implementation method of the circuit for changing the light state through the flashlight of the mobile phone is characterized by comprising the following steps of:
(1) The live wire end L and the zero wire end N of the driver are connected into 220V commercial power, the V+ end of the driver and the V-end of the driver are stabilized by a voltage stabilizer U1 and then supply power to a chip U2, the chip U2 reads a state memory in the chip to obtain a state before the LED lamp set, and then PWM output of the chip U2 is used for lighting the LED lamp set;
(2) The LED lamp group starts to count down after being electrified, the chip U2 detects whether the light change exists at the Q1 end of the phototriode in the counting down process, if the light change exists and the time combination logic is met, the output light state is changed, the purpose of adjusting the light state is achieved, and if the light change is not detected, the light state is maintained unchanged;
(3) In the power-on countdown time of the LED lamp set, the LED lamp set irradiates towards the phototriode Q1 through the light source, then the LED lamp set is switched on and off in the rhythm of N seconds, at the moment, the light signal of the light source switching lamp is converted into an electric signal through the phototriode Q1, and the chip U2 recognizes the lamp-on and lamp-off actions;
(4) After the chip U2 recognizes the action of switching the lamp, starting to record continuous time intervals of switching the lamp, if the action time of switching the lamp for M times is between N seconds, judging the operation to be artificial and regular operation by the system, and entering an output regulation state by the system;
(5) After the system recognizes M complete switching actions, the system adjusts the light output state at the moment of turning off the lamp for the user to select until the adjusted light state meets the user requirement;
(6) The system records the current state after the adjustment is completed so as to maintain the current state output when the power is next time.
2. The method for implementing the circuit for changing the light state by the flashlight of the mobile phone according to claim 1, wherein the method comprises the following steps: in step (2), the countdown time is 60 seconds.
3. The method for implementing the circuit for changing the light state by the flashlight of the mobile phone according to claim 1, wherein the method comprises the following steps: the light source in the step (3) is the flashlight light of the mobile phone.
4. The method for implementing the circuit for changing the light state by the flashlight of the mobile phone according to claim 1, wherein the method comprises the following steps: n seconds in the step (3) and the step (4) are 1-3 seconds.
5. The method for implementing the circuit for changing the light state by the flashlight of the mobile phone according to claim 1, wherein the method comprises the following steps: the M times in the step (4) and the step (5) are 3 times.
6. The circuit for use in a method of implementing a circuit for changing a light state by a flashlight of a mobile phone according to any one of claims 1-5, comprising a driver and a LED light string, wherein: the positive pole of LED banks is connected with the LED+ end of driver, the negative pole of LED banks is connected with the LED-end of driver, the V+ end of driver is connected with the 2 feet of stabiliser U1, the V-ground connection of driver, the 3 feet of stabiliser U1 are connected with the 5 feet of chip U2, the 1 foot of stabiliser U1 is grounded, the PWM end of driver is connected with the 20 feet of chip U2, the 9 feet of chip U2 are connected with the 3 feet of stabiliser U1, the 7 feet of chip U2 are grounded, the 5 feet of chip U2 still are connected with phototriode Q1, the other end ground connection of phototriode Q1.
7. The circuit for use in a method of implementing a circuit for changing a light state by a flashlight of a mobile phone of claim 6, wherein: the LED lamp group comprises a plurality of LED lamp beads which are sequentially connected in series.
8. The circuit for use in a method of implementing a circuit for changing a light state by a flashlight of a mobile phone of claim 6, wherein: a resistor R1 is connected between the 5 pin of the chip U2 and the 3 pin of the voltage stabilizer U1.
9. The circuit for use in a method of implementing a circuit for changing a light state by a flashlight of a mobile phone of claim 6, wherein: a light source for illuminating phototransistor Q1 is also included.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010579622.XA CN111526628B (en) | 2020-06-23 | 2020-06-23 | Circuit for changing light state through flashlight of mobile phone and implementation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010579622.XA CN111526628B (en) | 2020-06-23 | 2020-06-23 | Circuit for changing light state through flashlight of mobile phone and implementation method thereof |
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| CN111526628A CN111526628A (en) | 2020-08-11 |
| CN111526628B true CN111526628B (en) | 2024-01-19 |
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