CN103118456A - Acousto-optical double control timed control circuit and floodlight - Google Patents
Acousto-optical double control timed control circuit and floodlight Download PDFInfo
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- CN103118456A CN103118456A CN2012105456115A CN201210545611A CN103118456A CN 103118456 A CN103118456 A CN 103118456A CN 2012105456115 A CN2012105456115 A CN 2012105456115A CN 201210545611 A CN201210545611 A CN 201210545611A CN 103118456 A CN103118456 A CN 103118456A
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- 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
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- 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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Abstract
Disclosed are an acousto-optical double control timed control circuit and a floodlight. The acousto-optical double control timed control circuit and the floodlight comprise a constant current drive module, a power supply module, a voice control interface module and a single chip. The power supply module comprises a solar cell panel, a storage battery and a charge control circuit. The constant current drive module is used for outputting a constant current so as to light a plurality of light-emitting diode (LED) light sources. The power supply module is used for supplying power to the constant current drive module, the voice control interface module and the single chip. The voice control interface module is used for connecting sound monitoring equipment, and sending a trigger signal which is generated when the sound monitoring equipment is triggered to the single chip. The single chip is used for detecting output voltages of the solar cell panel and the storage battery, controlling closing or opening of the charge control circuit, and controlling starting or turning off the constant current drive module. The acousto-optical double control timed control circuit and the floodlight are high in accuracy of timing. Due to the fact that intensity of illumination is judged by using the single chip to detect the output voltage of the solar cell panel, the acousto-optical double control timed control circuit and the floodlight are not prone to being disturbed and incapable of producing malfunctions, and improves reliability of the acousto-optical double control timed control circuit.
Description
Technical field
The present invention relates to field of light fittings, particularly relate to a kind of photoacoustic dual-controlled timing control circuit and floodlight.
Background technology
Floodlight is approved by increasing user as the regeneration product of electric light source, and is applied in a lot of fields.For the control of floodlight, usually adopt the control circuits such as sound-controlled delay circuit, optically controlled delay circuit or photoacoustic dual-controlled delay circuit.But the control circuit of above-mentioned floodlight is mainly built by voice operated sensor, photo resistance, delay circuit etc., and timing accuracy is relatively poor.And photo resistance easily is disturbed, and easily produces misoperation, has reduced the reliability of control circuit.In addition, along with the utilization of new forms of energy and the popularization of energy-saving and emission-reduction, traditional floodlight and control circuit thereof have been difficult to satisfy the demand of social development.
Summary of the invention
Based on this, be necessary traditional problem that floodlight control circuit timing accuracy is relatively poor, reliability is lower, a kind of timing accuracy is higher, reliability is higher photoacoustic dual-controlled timing control circuit and floodlight are provided.
A kind of photoacoustic dual-controlled timing control circuit, comprise constant-current driven module, supply module, acoustic control interface module and single-chip microcomputer, described supply module comprises solar panel, storage battery and charging control circuit, and described solar panel is given described charge in batteries by described charging control circuit
Described constant-current driven module is used for the output constant current, to light a plurality of LED light sources;
Described supply module is used for to described constant-current driven module, acoustic control interface module and the power supply of described single-chip microcomputer;
Described acoustic control interface module is used for connecting sound monitoring equipment, and the triggering signal that generates when described sound monitoring equipment is triggered is sent to described single-chip microcomputer;
Described single-chip microcomputer for detection of the output voltage of described solar panel and storage battery, control conducting or turn-off described charging control circuit and control and start or turn-off described constant-current driven module; The output voltage that described solar panel detected when single-chip microcomputer is controlled less than first threshold voltage and when receiving described triggering signal and is started described constant-current driven module, otherwise turn-offs described constant-current driven module; The output voltage that described solar panel detected when single-chip microcomputer is controlled during greater than Second Threshold voltage and greater than the output voltage of the described storage battery that detects and is started described charging control circuit, otherwise turn-offs described charging control circuit; Control when the output voltage that described storage battery detected when single-chip microcomputer reaches and is full of voltage and turn-off described charging control circuit; Described single-chip microcomputer also is used for the time that default described triggering signal is eliminated the rear described constant-current driven module of time delayed turn-off.
In embodiment, described supply module also comprises major loop and major loop control circuit therein, and described major loop control circuit is used for controlling conducting or turn-offing described major loop,
Described major loop comprises switch and the first metal-oxide-semiconductor, the positive pole of the described storage battery of inlet wire termination of described switch, and leading-out terminal connects the drain electrode of described the first metal-oxide-semiconductor, the source ground of described the first metal-oxide-semiconductor by described constant-current driven module;
Described major loop control circuit comprises the first resistance, the second resistance, the first triode and the first voltage stabilizing didoe, one end of described the first resistance connects respectively the grid of described the first metal-oxide-semiconductor and the negative pole of described the first voltage stabilizing didoe, the plus earth of described the first voltage stabilizing didoe, the collector electrode of described first triode of another termination of described the first resistance, the grounded emitter of described the first triode, the base stage of described the first triode is connected with described single-chip microcomputer by described the second resistance;
described charging control circuit comprises the first diode, the second metal-oxide-semiconductor, the second voltage stabilizing didoe, the second triode, the 3rd resistance, the 4th resistance and the 5th resistance, the positive pole of described the first diode connects the positive pole of described solar panel, the negative pole of described the first diode connects respectively the negative pole of described the second voltage stabilizing didoe, one end of the source electrode of described the second metal-oxide-semiconductor and described the 3rd resistance, the drain electrode of described the second metal-oxide-semiconductor connects the positive pole of described storage battery, the grid of described the second metal-oxide-semiconductor, the other end of the positive pole of described the second voltage stabilizing didoe and described the 3rd resistance connects respectively an end of described the 4th resistance, the collector electrode of described second triode of another termination of described the 4th resistance, the grounded emitter of described the second triode, the base stage of described the second triode is connected with described single-chip microcomputer by described the 5th resistance.
therein in embodiment, described constant-current driven module comprises that MT7201 drives chip, sampling resistor, adjustable resistance, inductance, the second diode, the 7th resistance and the 3rd triode, access successively inductance and the LED interface that is used for installing LED light source between the current sample pin of described MT7201 driving chip and built-in switch pipe drain lead, the negative pole of described the second diode, one end of described sampling resistor one end and described adjustable resistance connects respectively the power supply input pin that described MT7201 drives chip, the other end of the described sampling resistor other end and described adjustable resistance connects respectively the current sample pin that described MT7201 drives chip, the positive pole of described the second diode connects the built-in switch pipe drain lead that described MT7201 drives chip, the power supply input pin of described MT7201 driving chip connects the leading-out terminal of described switch, the grounding pin of described MT7201 driving chip connects the drain electrode of described the first metal-oxide-semiconductor, the PWM light modulation pin of described MT7201 driving chip connects the collector electrode of described the 3rd triode, the grounded emitter of described the 3rd triode, the base stage of described the 3rd triode is connected with described single-chip microcomputer by described the 7th resistance.
Therein in embodiment, described supply module also comprises voltage stabilizing circuit, described voltage stabilizing circuit comprises three-terminal voltage-stabilizing pipe, the 3rd electric capacity, the 4th electric capacity and the 3rd diode, the positive pole of described the 3rd diode connects the leading-out terminal of described switch, negative pole connects respectively the input of described three-terminal voltage-stabilizing pipe and an end of described the 4th electric capacity, the output of described three-terminal voltage-stabilizing pipe connects respectively an end and the described single-chip microcomputer of described the 3rd electric capacity, and the other end of the other end of described the 3rd electric capacity, the 4th electric capacity and the other end of described three-terminal voltage-stabilizing pipe be ground connection respectively.
therein in embodiment, described supply module also comprises the shutdown power supply circuits, described shutdown power supply circuits comprise the 3rd voltage stabilizing didoe, the 12 resistance, the 13 resistance, the 4th triode, the 14 resistance, the 15 resistance, the 5th triode and the 4th diode, the negative pole of described the 3rd voltage stabilizing didoe connects the positive pole of described solar panel, the positive pole of described the 3rd voltage stabilizing didoe connects an end of described the 12 resistance, the other end of described the 12 resistance connects respectively the base stage of an end and described the 4th triode of described the 13 resistance, the emitter of described the 4th triode and the other end of described the 13 resistance be ground connection respectively, the collector electrode of described the 4th triode connects an end of described the 14 resistance, the other end of described the 14 resistance connects respectively the base stage of an end and described the 5th triode of described the 15 resistance, the other end of described the 15 resistance connects respectively positive pole and described the 5th transistor emitter of described solar panel, the collector electrode of described the 5th triode connects the positive pole of described the 4th diode, the negative pole of described the 4th diode connects respectively the input of described three-terminal voltage-stabilizing pipe and an end of described the 16 resistance, the grid of described first metal-oxide-semiconductor of another termination of described the 16 resistance.
Therein in embodiment, also comprise battery tension sample circuit and cell plate voltage sample circuit, described battery tension sample circuit is used for gathering the output voltage of described storage battery and being sent to described single-chip microcomputer, described cell plate voltage sample circuit is used for gathering the output voltage of described cell panel and being delivered to described single-chip microcomputer
Described battery tension adopts circuit to comprise the first electric capacity, the 8th resistance and the 9th resistance, the positive pole of the one described storage battery of termination of described the 8th resistance, the other end connects respectively an end and the described single-chip microcomputer of an end of described the 9th resistance, described the first electric capacity, and the other end of the other end of described the 9th resistance and described the first electric capacity is ground connection respectively;
Described cell plate voltage sample circuit comprises the second electric capacity, the tenth resistance and the 11 resistance, described the tenth resistance the positive pole of a described solar panel of termination, the other end connects respectively an end and the described single-chip microcomputer of an end of described the second electric capacity, described the 11 resistance, and the other end of the other end of described the 11 resistance and described the second electric capacity is ground connection respectively.
Therein in embodiment, the two ends of described storage battery the 5th diode that is connected in parallel, wherein, the negative pole of described the 5th diode connects the positive pole of described storage battery, and the positive pole of described the 5th diode and the negative pole of described storage battery be ground connection respectively.
A kind of floodlight, comprise lamp housing, sound monitoring equipment, a plurality of LED light source and photoacoustic dual-controlled timing control circuit described above, described a plurality of LED light source is installed in described lamp housing, described sound monitoring equipment is electrically connected to described acoustic control interface module, and described a plurality of LED light sources are connected in series and are electrically connected to described constant-current driven module.
Above-mentioned photoacoustic dual-controlled timing control circuit and floodlight adopt single-chip microcomputer to carry out the setting of time-delay closing duration, and timing accuracy is higher.Detect the output voltage judgement intensity of illumination of solar panel by single-chip microcomputer, be difficult for being disturbed, can not produce misoperation, improved the reliability of photoacoustic dual-controlled timing control circuit.
Description of drawings
Fig. 1 is the module map of the floodlight of an embodiment;
Fig. 2 is the detailed block diagram of supply module in Fig. 1;
Fig. 3 is the electrical schematic diagram of photoacoustic dual-controlled timing control circuit in Fig. 1.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, Fig. 2 and shown in Figure 3, in one embodiment, a kind of photoacoustic dual-controlled timing control circuit 100 comprises constant-current driven module 140, supply module 120, acoustic control interface module 110 and single-chip microcomputer 130.Supply module 120 comprises solar panel 122, storage battery 126 and charging control circuit 124.Solar panel 122 is by charging control circuit 124 accumulators 126 chargings.Constant-current driven module 140 is used for the output constant current, to light a plurality of LED light sources 20.Supply module 120 is used for driving 140 of moulds, acoustic control interface module 110 and single-chip microcomputer 130 power supplies to constant current.Acoustic control interface module 110 is used for connecting sound monitoring equipment 40, and the triggering signal that generates when sound monitoring equipment 40 is triggered is sent to single-chip microcomputer 130.
Single-chip microcomputer 130 is for detection of output voltage, control conducting or shutoff charging control circuit 124 and control startup or the shutoff constant-current driven module 140 of solar panel 122 and storage battery 126.The output voltage that solar panel 122 detected when single-chip microcomputer 130 is controlled less than first threshold voltage and when receiving triggering signal and is started constant-current driven module 140, otherwise turn-offs constant-current driven module 140.Usually, need to light a plurality of LED light sources 20 at night, so that illumination to be provided.Less or the no-voltage of the voltage that solar panel 122 produces in the environment of dark produces.Single-chip microcomputer 130 detects the output voltage of solar panel 122 and this output voltage is compared with the first threshold voltage that sets in advance, if less than first threshold voltage, illustrate that intensity of illumination is relatively poor, be night this moment, in the case, when sound monitoring equipment 40 was triggered, single-chip microcomputer 130 receives triggering signal will control startup constant-current driven module 140, thereby a plurality of LED light sources are lit, otherwise turn-off constant-current driven module 140.The output voltage that solar panel 122 detected when single-chip microcomputer 130 is controlled during greater than Second Threshold voltage and greater than the output voltage of the storage battery 126 that detects and is started charging control circuit 124, otherwise turn-offs charging control circuit 124.When intensity of illumination was stronger, the output voltage of solar panel 122 was larger.The output voltage that solar panel 122 detected at single-chip microcomputer 130 is controlled during greater than the Second Threshold voltage that sets in advance and greater than the output voltage of the storage battery 126 that detects the time and is started charging control circuit 124, solar panel 122 begins storage battery is charged, otherwise, single-chip microcomputer 122 turn-offs charging control circuit 124, and solar panel 122 stops charge in batteries.Usually, in addition, control when the output voltage that storage battery 126 detected when single-chip microcomputer 130 reaches and is full of voltage and turn-off charging control circuit 124.Single-chip microcomputer 130 also is used for the time that default triggering signal is eliminated rear time delayed turn-off constant-current driven module 140.
In the present embodiment, the model of single-chip microcomputer 130 is PIC12F683.Supply module 120 also comprises major loop and major loop control circuit, and the major loop control circuit is used for controlling conducting or turn-offs major loop.Major loop comprises K switch and the first metal-oxide-semiconductor M1, the positive pole of the inlet wire termination storage battery 126 of K switch, and leading-out terminal connects the drain electrode of the first metal-oxide-semiconductor M1, the source ground of the first metal-oxide-semiconductor M1 by constant-current driven module 140.the major loop control circuit comprises the first resistance R 1, the second resistance R 2, the first triode Q1 and the first voltage stabilizing didoe ZD1, one end of the first resistance R 1 connects respectively the grid of the first metal-oxide-semiconductor M1 and the negative pole of the first voltage stabilizing didoe ZD1, the plus earth of the first voltage stabilizing didoe ZD1, the collector electrode of another termination first triode Q1 of the first resistance R 1, the grounded emitter of the first triode Q1, the base stage of the first triode Q1 is connected with single-chip microcomputer 130 by the second resistance R 2, in the present embodiment, the base stage of the first triode Q1 is connected with the pin 3 of single-chip microcomputer 130 by the second resistance R 2.Closing Switch K, photoacoustic dual-controlled timing control circuit 100 enters operating state, the pin 3 output high level of single-chip microcomputer 130, the first metal-oxide-semiconductor M1 conducting, the major loop conducting of supply module 120, constant-current drive circuit 140 gets electric startup.charging control circuit 124 comprises the first diode D1, the second metal-oxide-semiconductor M2, the second voltage stabilizing didoe ZD2, the second triode Q2, the 3rd resistance R 3, the 4th resistance R 4 and the 5th resistance R 5, the positive pole of the first diode D1 connects the positive pole of solar panel 122, the negative pole of the first diode D1 connects respectively the negative pole of the second voltage stabilizing didoe ZD2, one end of the source electrode of the second metal-oxide-semiconductor M2 and the 3rd resistance R 3, the drain electrode of the second metal-oxide-semiconductor M2 connects the positive pole of storage battery 126, the grid of the second metal-oxide-semiconductor M2, the other end of the positive pole of the second voltage stabilizing didoe ZD2 and the 3rd resistance R 3 connects respectively an end of the 4th resistance R 4, the collector electrode of another termination second triode Q2 of the 4th resistance R 4, the grounded emitter of the second triode Q2, the base stage of the second triode Q2 is connected with single-chip microcomputer 130 by the 5th resistance R 5, in the present embodiment, the base stage of the second triode Q2 is connected with single-chip microcomputer 130 pins 2 by the 5th resistance R 5.
in the present embodiment, constant-current driven module 140 comprises that MT7201 drives chip, sampling resistor R6, adjustable resistance RX, inductance L, the second diode D2, the 7th resistance R 7 and the 3rd triode Q3, access successively inductance L and the LED interface P that is used for installing LED light source between the current sample pin Isense of MT7201 driving chip and built-in switch pipe drain lead LX, the negative pole of the second diode D2, the end of sampling resistor R6 one end and adjustable resistance RX meets respectively the power supply input pin Vin that MT7201 drives chip, the other end of the sampling resistor R6 other end and adjustable resistance RX meets respectively the current sample pin Isense that MT7201 drives chip, the positive pole of the second diode D2 meets the built-in switch pipe drain lead LX that MT7201 drives chip, the power supply input pin Vin of MT7201 driving chip connects the leading-out terminal of K switch, the grounding pin GND of MT7201 driving chip connects the drain electrode of the first metal-oxide-semiconductor M1, the PWM light modulation pin ADJ of MT7201 driving chip connects the collector electrode of the 3rd triode Q3, the grounded emitter of the 3rd triode Q3, the base stage of the 3rd triode Q3 is connected with single-chip microcomputer 130 by the 7th resistance R 7, in the present embodiment, the base stage of the 3rd triode Q3 is connected with single-chip microcomputer 130 pins 5 by the 7th resistance R 7.The 6th capacitor C 6 and the 7th capacitor C 7 also are connected in parallel respectively between the power supply input pin Vin of MT7201 driving chip and grounding pin GND.
In the present embodiment, supply module 120 also comprises voltage stabilizing circuit, voltage stabilizing circuit comprises three-terminal voltage-stabilizing pipe U1, the 3rd capacitor C 3, the 4th capacitor C 4 and the 3rd diode D3, the positive pole of the 3rd diode D3 connects the leading-out terminal of K switch, negative pole connects respectively the input of three-terminal voltage-stabilizing pipe U1 and an end of the 4th capacitor C 4, the output of three-terminal voltage-stabilizing pipe U1 connects respectively an end and the other end of single-chip microcomputer 130, the three capacitor C 3, the other end of the 4th capacitor C 4 and the other end difference ground connection of three-terminal voltage-stabilizing pipe U1 of the 3rd capacitor C 3.
in the present embodiment, supply module 120 also comprises the shutdown power supply circuits, the shutdown power supply circuits comprise the 3rd voltage stabilizing didoe ZD3, the 12 resistance R 12, the 13 resistance R 13, the 4th triode Q4, the 14 resistance R 14, the 15 resistance R 15, the 5th triode Q5 and the 4th diode D4, the negative pole of the 3rd voltage stabilizing didoe ZD3 connects the positive pole of solar panel 122, the positive pole of the 3rd voltage stabilizing didoe ZD3 connects an end of the 12 resistance R 12, the other end of the 12 resistance R 12 connects respectively the base stage of an end and the 4th triode Q4 of the 13 resistance R 13, the other end of the emitter of the 4th triode Q4 and the 13 resistance R 13 is ground connection respectively, the collector electrode of the 4th triode Q4 connects an end of the 14 resistance R 14, the other end of the 14 resistance R 14 connects respectively the base stage of an end and the 5th triode Q5 of the 15 resistance R 15, the other end of the 15 resistance R 15 connects respectively positive pole and the 5th triode Q5 emitter of solar panel 122, the collector electrode of the 5th triode Q5 connects the positive pole of the 4th diode D4, the negative pole of the 4th diode D4 connects respectively the input of three-terminal voltage-stabilizing pipe U1 and an end of the 16 resistance R 16, the grid of another termination first metal-oxide-semiconductor M1 of the 16 resistance R 16.
In the present embodiment, also comprise battery tension sample circuit and cell plate voltage sample circuit, the battery tension sample circuit is used for gathering the output voltage of storage battery 126 and being sent to single-chip microcomputer 130, and the cell plate voltage sample circuit is used for gathering the output voltage of cell panel and being delivered to single-chip microcomputer 130.Storage battery 126 voltages adopt circuit to comprise the first capacitor C 1, the 8th resistance R 8 and the 9th resistance R 9, the positive pole of one termination storage battery 126 of the 8th resistance R 8, the other end connects respectively an end of the 9th resistance R 9, an end and the other end of single-chip microcomputer 130, the nine resistance R 9 and the other end difference ground connection of the first capacitor C 1 of the first capacitor C 1; In the present embodiment, the other end of the 8th resistance R 8 connects the pin 7 of single-chip microcomputer 130.The cell plate voltage sample circuit comprises the second capacitor C 2, the tenth resistance R 10 and the 11 resistance R 11, the tenth resistance R 10 the positive pole of a termination solar panel 122, the other end that the other end connects respectively the other end of the end of an end, the 11 resistance R 11 of the second capacitor C 2 and single-chip microcomputer 130, the 11 resistance R 11 and the second capacitor C 2 is ground connection respectively.In the present embodiment, the other end of the tenth resistance R 10 connects the pin 6 of single-chip microcomputer 130.
In the present embodiment, the two ends of storage battery 126 the 5th diode D5 that is connected in parallel, wherein, the negative pole of the 5th diode D5 connects the positive pole of storage battery 126, and the negative pole of the positive pole of the 5th diode D5 and storage battery 126 is ground connection respectively.The power pins of acoustic control interface module 110 connects respectively the output of three-terminal voltage-stabilizing pipe U1, an end of the 8th capacitor C 8 and an end of the 9th capacitor C 9, and the other end of the other end of the 8th capacitor C 8 and the 9th capacitor C 9 is ground connection respectively.The pin 1 of single-chip microcomputer 130 connects respectively the output of three-terminal voltage-stabilizing pipe U1 and an end of the 5th capacitor C 5, and the other end of the 5th capacitor C 5 connects the pin 8 of single-chip microcomputer 130, pin 8 ground connection of single-chip microcomputer.
As shown in Figure 1, a kind of floodlight comprises lamp housing, sound monitoring equipment 40, a plurality of LED light source 20 and the described photoacoustic dual-controlled timing control circuit 100 of above-described embodiment.A plurality of LED light sources 20 are installed in lamp housing, and sound monitoring equipment 40 is electrically connected to described acoustic control interface module 110, and usually, sound monitoring equipment 40 is microphone, sound transducer etc.A plurality of LED light sources 20 are connected in series and drive 140 of moulds with constant current and are electrically connected to.
Above-mentioned photoacoustic dual-controlled timing control circuit and floodlight adopt single-chip microcomputer 130 to carry out the setting of time-delay closing duration, and timing accuracy is higher.Detect the output voltage judgement intensity of illumination of solar panel 122 by single-chip microcomputer 130, be difficult for being disturbed, can not produce misoperation, improved the reliability of photoacoustic dual-controlled timing control circuit 100.In addition, the present invention adopts the solar energy new energy, is conducive to the utilization of new forms of energy and the popularization of energy-saving and emission-reduction.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. photoacoustic dual-controlled timing control circuit, it is characterized in that, comprise constant-current driven module, supply module, acoustic control interface module and single-chip microcomputer, described supply module comprises solar panel, storage battery and charging control circuit, described solar panel is given described charge in batteries by described charging control circuit
Described constant-current driven module is used for the output constant current, to light a plurality of LED light sources;
Described supply module is used for to described constant-current driven module, acoustic control interface module and the power supply of described single-chip microcomputer;
Described acoustic control interface module is used for connecting sound monitoring equipment, and the triggering signal that generates when described sound monitoring equipment is triggered is sent to described single-chip microcomputer;
Described single-chip microcomputer for detection of the output voltage of described solar panel and storage battery, control conducting or turn-off described charging control circuit and control and start or turn-off described constant-current driven module; The output voltage that described solar panel detected when single-chip microcomputer is controlled less than first threshold voltage and when receiving described triggering signal and is started described constant-current driven module, otherwise turn-offs described constant-current driven module; The output voltage that described solar panel detected when single-chip microcomputer is controlled during greater than Second Threshold voltage and greater than the output voltage of the described storage battery that detects and is started described charging control circuit, otherwise turn-offs described charging control circuit; Control when the output voltage that described storage battery detected when single-chip microcomputer reaches and is full of voltage and turn-off described charging control circuit; Described single-chip microcomputer also is used for the time that default described triggering signal is eliminated the rear described constant-current driven module of time delayed turn-off.
2. photoacoustic dual-controlled timing control circuit according to claim 1, is characterized in that, described supply module also comprises major loop and major loop control circuit, and described major loop control circuit is used for controlling conducting or turn-offing described major loop,
Described major loop comprises switch and the first metal-oxide-semiconductor, the positive pole of the described storage battery of inlet wire termination of described switch, and leading-out terminal connects the drain electrode of described the first metal-oxide-semiconductor, the source ground of described the first metal-oxide-semiconductor by described constant-current driven module;
Described major loop control circuit comprises the first resistance, the second resistance, the first triode and the first voltage stabilizing didoe, one end of described the first resistance connects respectively the grid of described the first metal-oxide-semiconductor and the negative pole of described the first voltage stabilizing didoe, the plus earth of described the first voltage stabilizing didoe, the collector electrode of described first triode of another termination of described the first resistance, the grounded emitter of described the first triode, the base stage of described the first triode is connected with described single-chip microcomputer by described the second resistance;
described charging control circuit comprises the first diode, the second metal-oxide-semiconductor, the second voltage stabilizing didoe, the second triode, the 3rd resistance, the 4th resistance and the 5th resistance, the positive pole of described the first diode connects the positive pole of described solar panel, the negative pole of described the first diode connects respectively the negative pole of described the second voltage stabilizing didoe, one end of the source electrode of described the second metal-oxide-semiconductor and described the 3rd resistance, the drain electrode of described the second metal-oxide-semiconductor connects the positive pole of described storage battery, the grid of described the second metal-oxide-semiconductor, the other end of the positive pole of described the second voltage stabilizing didoe and described the 3rd resistance connects respectively an end of described the 4th resistance, the collector electrode of described second triode of another termination of described the 4th resistance, the grounded emitter of described the second triode, the base stage of described the second triode is connected with described single-chip microcomputer by described the 5th resistance.
3. photoacoustic dual-controlled timing control circuit according to claim 2, it is characterized in that, described constant-current driven module comprises that MT7201 drives chip, sampling resistor, adjustable resistance, inductance, the second diode, the 7th resistance and the 3rd triode, access successively inductance and the LED interface that is used for installing LED light source between the current sample pin of described MT7201 driving chip and built-in switch pipe drain lead, the negative pole of described the second diode, one end of described sampling resistor one end and described adjustable resistance connects respectively the power supply input pin that described MT7201 drives chip, the other end of the described sampling resistor other end and described adjustable resistance connects respectively the current sample pin that described MT7201 drives chip, the positive pole of described the second diode connects the built-in switch pipe drain lead that described MT7201 drives chip, the power supply input pin of described MT7201 driving chip connects the leading-out terminal of described switch, the grounding pin of described MT7201 driving chip connects the drain electrode of described the first metal-oxide-semiconductor, the PWM light modulation pin of described MT7201 driving chip connects the collector electrode of described the 3rd triode, the grounded emitter of described the 3rd triode, the base stage of described the 3rd triode is connected with described single-chip microcomputer by described the 7th resistance.
4. photoacoustic dual-controlled timing control circuit according to claim 2, it is characterized in that, described supply module also comprises voltage stabilizing circuit, described voltage stabilizing circuit comprises the three-terminal voltage-stabilizing pipe, the 3rd electric capacity, the 4th electric capacity and the 3rd diode, the positive pole of described the 3rd diode connects the leading-out terminal of described switch, negative pole connects respectively the input of described three-terminal voltage-stabilizing pipe and an end of described the 4th electric capacity, the output of described three-terminal voltage-stabilizing pipe connects respectively an end and the described single-chip microcomputer of described the 3rd electric capacity, the other end of described the 3rd electric capacity, the other end of the other end of the 4th electric capacity and described three-terminal voltage-stabilizing pipe is ground connection respectively.
5. photoacoustic dual-controlled timing control circuit according to claim 3, it is characterized in that, described supply module also comprises the shutdown power supply circuits, described shutdown power supply circuits comprise the 3rd voltage stabilizing didoe, the 12 resistance, the 13 resistance, the 4th triode, the 14 resistance, the 15 resistance, the 5th triode and the 4th diode, the negative pole of described the 3rd voltage stabilizing didoe connects the positive pole of described solar panel, the positive pole of described the 3rd voltage stabilizing didoe connects an end of described the 12 resistance, the other end of described the 12 resistance connects respectively the base stage of an end and described the 4th triode of described the 13 resistance, the emitter of described the 4th triode and the other end of described the 13 resistance be ground connection respectively, the collector electrode of described the 4th triode connects an end of described the 14 resistance, the other end of described the 14 resistance connects respectively the base stage of an end and described the 5th triode of described the 15 resistance, the other end of described the 15 resistance connects respectively positive pole and described the 5th transistor emitter of described solar panel, the collector electrode of described the 5th triode connects the positive pole of described the 4th diode, the negative pole of described the 4th diode connects respectively the input of described three-terminal voltage-stabilizing pipe and an end of described the 16 resistance, the grid of described first metal-oxide-semiconductor of another termination of described the 16 resistance.
6. photoacoustic dual-controlled timing control circuit according to claim 1, it is characterized in that, also comprise battery tension sample circuit and cell plate voltage sample circuit, described battery tension sample circuit is used for gathering the output voltage of described storage battery and being sent to described single-chip microcomputer, described cell plate voltage sample circuit is used for gathering the output voltage of described cell panel and being delivered to described single-chip microcomputer
Described battery tension adopts circuit to comprise the first electric capacity, the 8th resistance and the 9th resistance, the positive pole of the one described storage battery of termination of described the 8th resistance, the other end connects respectively an end and the described single-chip microcomputer of an end of described the 9th resistance, described the first electric capacity, and the other end of the other end of described the 9th resistance and described the first electric capacity is ground connection respectively;
Described cell plate voltage sample circuit comprises the second electric capacity, the tenth resistance and the 11 resistance, described the tenth resistance the positive pole of a described solar panel of termination, the other end connects respectively an end and the described single-chip microcomputer of an end of described the second electric capacity, described the 11 resistance, and the other end of the other end of described the 11 resistance and described the second electric capacity is ground connection respectively.
7. photoacoustic dual-controlled timing control circuit according to claim 1, it is characterized in that, the two ends of described storage battery the 5th diode that is connected in parallel, wherein, the negative pole of described the 5th diode connects the positive pole of described storage battery, and the positive pole of described the 5th diode and the negative pole of described storage battery be ground connection respectively.
8. floodlight, it is characterized in that, comprise the described photoacoustic dual-controlled timing control circuit of any one in lamp housing, sound monitoring equipment, a plurality of LED light source and claim 1 to 7, described a plurality of LED light source is installed in described lamp housing, described sound monitoring equipment is electrically connected to described acoustic control interface module, and described a plurality of LED light sources are connected in series and are electrically connected to described constant-current driven module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012105456115A CN103118456A (en) | 2012-12-14 | 2012-12-14 | Acousto-optical double control timed control circuit and floodlight |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105456115A CN103118456A (en) | 2012-12-14 | 2012-12-14 | Acousto-optical double control timed control circuit and floodlight |
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| CN103118456A true CN103118456A (en) | 2013-05-22 |
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| CN2012105456115A Pending CN103118456A (en) | 2012-12-14 | 2012-12-14 | Acousto-optical double control timed control circuit and floodlight |
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Application publication date: 20130522 |