CN215581805U - Simple time-delay adjustable acousto-optic control lamp circuit - Google Patents
Simple time-delay adjustable acousto-optic control lamp circuit Download PDFInfo
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- CN215581805U CN215581805U CN202122382142.7U CN202122382142U CN215581805U CN 215581805 U CN215581805 U CN 215581805U CN 202122382142 U CN202122382142 U CN 202122382142U CN 215581805 U CN215581805 U CN 215581805U
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- 230000003321 amplification Effects 0.000 claims abstract description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 36
- 238000007493 shaping process Methods 0.000 claims description 15
- 230000005236 sound signal Effects 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 3
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- 230000001276 controlling effect Effects 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
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- 230000008878 coupling Effects 0.000 description 1
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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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Abstract
The utility model relates to the technical field of acousto-optic control, and discloses a simple delay adjustable acousto-optic control lamp circuit with better and stable reliability, which is provided with: the signal sensing circuit is used for acquiring an externally input acousto-optic signal; the signal amplification circuit is used for receiving the acousto-optic signal and amplifying the input acousto-optic signal; the pulse circuit is used for receiving the amplified acousto-optic signal and eliminating a clutter signal from the acousto-optic signal to form a pulse signal; the delay circuit is used for receiving the pulse signal and carrying out delay regulation and control on the working state of the LED lamp according to the input pulse signal; and the bistable circuit is used for receiving the pulse signals, carrying out turnover processing on the pulse signals to form level signals, and regulating and controlling the working brightness of the LED lamp through the level signals.
Description
Technical Field
The utility model relates to the technical field of acousto-optic control, in particular to a simple time-delay adjustable acousto-optic control lamp circuit.
Background
The sound and light control lamp circuit is a common control circuit for controlling the LED lamp to be turned on or turned off in a corridor, and is a product integrating sound control, light control and intelligent time delay control, and at present, the lamp is in a turn-off state under the action of light control in daytime; and after the illuminance is lower than a set value at night, the light control is started, and when someone walks to make a sound, the light is automatically turned on and is turned off in a delayed manner. However, when the existing LED lamp is turned on or off, the sensitivity of the reaction is low, and when the LED lamp is turned off, the adjustability of the duration is poor, and the experience of the user is poor in the using process.
Therefore, how to regulate and control the reliability and stability of the on-off time limit of the LED lamp becomes a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the response sensitivity of the existing LED lamp is low when the LED lamp is turned on or turned off, the time length adjustability of the LED lamp is poor when the LED lamp is turned off, and the user experience is poor in the using process, and provides a simple time-delay adjustable sound-light control lamp circuit which is good in reliability and stable.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a simple time-delay adjustable acousto-optic control lamp circuit is constructed, and the circuit is provided with:
the signal sensing circuit is configured at the front end of the acousto-optic control lamp circuit and is used for acquiring an acousto-optic signal input from the outside;
the signal input end of the signal amplifying circuit is coupled with the output end of the signal sensing circuit and is used for receiving the acousto-optic signal and amplifying the input acousto-optic signal;
the signal input end of the pulse circuit is coupled with the output end of the signal amplification circuit and is used for receiving the amplified acousto-optic signal and eliminating a clutter signal from the acousto-optic signal to form a pulse signal;
the signal input end of the delay circuit is coupled with the output end of the pulse circuit and is used for receiving the pulse signal and carrying out delay regulation and control on the working state of the LED lamp according to the input pulse signal;
and the signal input end of the bistable circuit is connected with the output end of the delay circuit and is used for receiving the pulse signal and turning over the pulse signal to form a level signal, and the working brightness of the LED lamp is regulated and controlled through the level signal.
In some embodiments, the signal sensing circuit comprises a photoresistor and an electret microphone,
the photoresistor is used for detecting a light signal and feeding the light signal back to the signal amplification circuit,
the electret microphone is used for acquiring a sound signal and feeding the sound signal back to the signal amplification circuit.
In some embodiments, the signal amplifying circuit includes a first capacitor, a second resistor, a third resistor, and a first transistor,
one end of the first capacitor is respectively connected with the photoresistor and the output end of the electret microphone,
one end of the second resistor is connected with a power supply end, the other end of the second resistor is respectively connected with the other end of the first capacitor and the base electrode of the first triode,
the collector of the first triode is connected with the power supply end through the third resistor, wherein the collector of the first triode is also connected with the input end of the pulse circuit,
and the emitter of the first triode is connected with the common end.
In some embodiments, the pulse circuit includes a pulse forming circuit and a pulse shaping circuit, wherein,
the signal input end of the pulse forming circuit is connected with the collector electrode of the first triode,
the signal input end of the pulse shaping circuit is coupled with the output end of the pulse forming circuit.
In some embodiments, the pulse forming circuit includes a second transistor, a second capacitor, and a fourth diode,
one end of the second capacitor is coupled to the collector of the first triode,
the other end of the second capacitor is respectively connected with the base electrode of the second triode and the anode of the fourth diode,
the emitting electrode of the second triode and the cathode of the fourth diode are respectively connected with the power supply end,
the collector of the second triode is coupled to the input end of the pulse shaping circuit.
In some embodiments, the pulse shaping circuit includes a first controller, a fifth resistor, and a third diode,
a signal input end of the first controller is connected with a collector electrode of the second triode,
the other signal input end of the first controller is respectively connected with one end of the fifth resistor and the anode of the third diode,
the other end of the fifth resistor and the cathode of the third diode are respectively connected with a signal end of the first controller,
and the signal output end of the first controller is connected with the input end of the delay circuit.
In some embodiments, the delay circuit includes a second diode, a third transistor, and a seventh resistor,
the anode of the second diode and one end of the seventh resistor are respectively connected with the signal output end of the first controller,
the cathode of the second diode and the other end of the seventh resistor are connected with the base of the third triode through an eighth resistor,
the emitter of the third triode is connected with the common terminal,
the collector of the third triode is coupled to the signal input end of the bistable circuit.
In some embodiments, the bistable circuit includes a second controller, a sixth capacitor, and a ninth resistor,
the signal input end of the second controller is connected with the collector electrode of the third triode,
the negative power supply terminal of the second controller is connected with the common terminal through the sixth capacitor,
one end of the ninth resistor is connected with one output end of the second controller,
the other end of the ninth resistor is connected with one end of the sixth capacitor,
and the other output end of the second controller is connected with the control end of the controllable silicon.
The simple time-delay adjustable acousto-optic control lamp circuit comprises a signal sensing circuit, a signal amplifying circuit, a pulse circuit, a time delay circuit and a bistable circuit, wherein the signal sensing circuit is used for acquiring an externally input acousto-optic signal; the bistable circuit carries out turnover processing on the pulse signal to form a level signal, and the working brightness of the LED lamp is regulated and controlled through the level signal. Compared with the prior art, through setting up the signal sensing circuit who acquires the acoustic-optic signal, the rethread delay circuit and bistable circuit handle the acoustic-optic signal to output control LED lamp time delay or adjust the level signal of luminance, can effectively solve current LED lamp when opening or closing, the sensitivity of its reaction is lower, and LED lamp when closing, and it is relatively poor to be long adjustable nature, and in the use, user's experience feels relatively poor problem.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic circuit diagram of an embodiment of a simple delay adjustable acousto-optic control lamp circuit provided in the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in the first embodiment of the simple time-delay adjustable acousto-optic control lamp circuit of the present invention, the simple time-delay adjustable acousto-optic control lamp circuit 100 includes a signal sensing circuit 101, a signal amplifying circuit 102, a pulse circuit (103, 104, respectively), a delay circuit 105 and a bistable circuit 106.
The signal sensing circuit 101 is disposed at the front end of the acousto-optic signal lamp control circuit, and is configured to acquire an externally input acousto-optic signal and output the acquired acousto-optic signal to the signal amplifying circuit 102.
The signal amplification circuit 102 has a function of signal amplification.
Specifically, the signal input terminal of the signal amplifying circuit 102 is coupled to the output terminal of the signal sensing circuit 101, and is configured to receive the acousto-optic signal, amplify the input acousto-optic signal, and output the amplified acousto-optic signal to the pulse circuit (corresponding to 103).
The pulse circuits (103, 104) have the function of forming and shaping pulse signals.
The signal input end of the pulse circuit (corresponding to 103) is coupled to the output end of the signal amplifying circuit 102, and is configured to receive the amplified electrical signal, eliminate a clutter signal from the electrical signal to form a pulse signal, and output the pulse signal to the delay circuit 105.
The delay circuit 105 has a delay function.
Specifically, a signal input end of the delay circuit 105 is coupled to an output end of the pulse circuit (corresponding to 104), and is configured to receive the pulse signal and perform delay regulation on the operating state of the LED lamp according to the input pulse signal.
Further, a signal input end of the bistable circuit 106 is connected to an output end of the delay circuit 105, and is configured to receive the pulse signal, perform inversion processing on the pulse signal to form a level signal, and regulate and control the working brightness of the LED lamp through the level signal.
By using the technical scheme, the acousto-optic signal is processed by the signal sensing circuit 101 which is used for acquiring the acousto-optic signal, and then the acousto-optic signal is processed by the delay circuit 105 and the bistable circuit 106 so as to output a level signal for controlling the delay or brightness adjustment of the LED lamp, and the problems that the response sensitivity of the existing LED lamp is low when the LED lamp is turned on or turned off, the length of time of the LED lamp is poor when the LED lamp is turned off, and the user experience is poor in the using process can be effectively solved.
In some embodiments, in order to obtain the reliability of the acousto-optic signal, a photoresistor and an electret microphone MIC may be disposed in the signal sensing circuit 101, wherein the photoresistor corresponds to the first resistor R101, and the electret microphone MIC has the advantages of small volume, simple structure and good electro-acoustic performance, and when it is connected to a drain for output, its gain is high.
Specifically, the light dependent resistor is used to detect the light signal, and feed the light signal back to the signal amplification circuit 102,
the electret microphone MIC is used to acquire a sound signal and feed the sound signal back to the signal amplification circuit 102.
In some embodiments, in order to improve the stability of the input acousto-optic signal, the signal amplifying circuit 102 may include a first capacitor C101, a second resistor R102, a third resistor R103, and a first transistor VT101, wherein the first capacitor C101 is an audio signal coupling capacitor,
the first transistor VT101 has a switching function, and is an NPN type transistor, the second resistor R102 is a base bias resistor, the third resistor R103 is a collector resistor, and when R102 [. beta.vt 101. times.r 103 ], the first transistor VT101 is in an amplifying state.
Specifically, one end of the first capacitor C101 is connected to the output end of the photoresistor and the output end of the electret microphone MIC, one end of the second resistor R102 is connected to the power supply end, and the other end of the second resistor R102 is connected to the other end of the first capacitor C101 and the base of the first triode VT 101.
The collector of the first transistor VT101 is connected to the power supply terminal through a third resistor R103, wherein the collector of the first transistor VT101 is further connected to the input terminal of the pulse circuit (corresponding to 103), and the emitter of the first transistor VT101 is connected to the common terminal.
That is, the acousto-optic signal inputted by the signal sensing circuit 101 is amplified by the first transistor VT101 and the second resistor R102, and then outputted to the pulse circuit (corresponding to 103).
In some embodiments, the pulse circuit includes a pulse forming circuit 103 and a pulse shaping circuit 104, wherein,
a signal input terminal of the pulse forming circuit 103 is connected to the collector of the first transistor VT101,
a signal input terminal of the pulse shaping circuit 104 is coupled to an output terminal of the pulse forming circuit 103.
In some embodiments, the pulse forming circuit 103 includes a second transistor VT102, a second capacitor C102, and a fourth diode D104, wherein the second transistor VT102 functions as a switch and is a PNP transistor.
Specifically, one end of the second capacitor C102 is coupled to the collector of the first transistor VT101, the other end of the second capacitor C102 is respectively connected to the base of the second transistor VT102 and the anode of the fourth diode D104, the emitter of the second transistor VT102 and the cathode of the fourth diode D104 are respectively connected to the power source terminal, and the collector of the second transistor VT102 is coupled to the input terminal of the pulse shaping circuit 104.
Specifically, when the acousto-optic signal output by the collector of the first triode VT101 is in a negative half cycle, the emitter of the second triode VT102 charges the second capacitor C102, the second triode VT102 is turned on, and a forward pulse voltage is formed on the fourth resistor R104; when the acousto-optic signal is positive half cycle, the positive charge on the second capacitor C102 is rapidly released through the fourth diode D104. The fourth diode D104 provides a path for positive charges accumulated on the base of the second transistor VT 102.
The third capacitor C103 can remove the noise signal on the fourth resistor R104 to obtain a relatively pure pulse signal for the pulse shaping circuit 104.
In some embodiments, the pulse shaping circuit 104 includes a first controller U1A, a fifth resistor R105, and a third diode D103, wherein the first controller U1A has functions of signal shaping and outputting a pulse level, and a pulse width thereof is determined by time constants of the fifth resistor R05 and the fourth capacitor C104.
Specifically, a signal input terminal (corresponding to pin 3) of the first controller U1A is connected to the collector of the second transistor VT102,
another signal input terminal (corresponding to 4 pins) of the first controller U1A is respectively connected to one terminal of the fifth resistor R105 and the anode of the third diode D103,
the other end of the fifth resistor R105 and the cathode of the third diode D103 are respectively connected to a signal terminal (corresponding to 5 pins) of the first controller U1A, and the signal output terminal of the first controller U1A is connected to the input terminal of the delay circuit 105, and outputs the shaped pulse signal to the delay circuit 105.
In some embodiments, the delay circuit 105 includes a second diode D102, a third transistor VT103, and a seventh resistor R107, wherein the third transistor VT103 has a switching function, and is an NPN transistor.
Specifically, the anode of the second diode D102 and one end of the seventh resistor R107 are respectively connected to the signal output terminal (corresponding to 6 pins) of the first controller U1A,
the cathode of the second diode D102 and the other end of the seventh resistor R107 are connected to the base of the third transistor VT103 through the eighth resistor R108, the emitter of the third transistor VT103 is connected to the common terminal,
the collector of the third transistor VT103 is coupled to the signal input terminal of the bistable circuit 106.
Specifically, when the 2 nd pin of the first controller U1A is at a high level, the fifth capacitor C105 is rapidly charged through the second diode D102, so that the third transistor VT103 is in a saturation conduction state, the circuit is in a blocking state, and the pulse signal control is invalid; when the 5 th pin of the first controller U1A is at a low level, the charge on the fifth capacitor C105 is slowly discharged through the seventh resistor R107 and the eighth resistor R108, and after the discharge is finished, the third transistor VT103 is turned off. At this time, the delay circuit 105 is in the delay on state, and the pulse signal can normally control the bistable circuit 106 to turn over.
In some embodiments, the bistable circuit 106 includes a second controller U1B, a sixth capacitor C106, and a ninth resistor R109, wherein the second controller U1B has a function of outputting a control level.
Specifically, a signal input terminal (corresponding to pin 3) of the second controller U1B is connected to the collector of the third transistor VT103, and a negative power terminal (corresponding to pin 2) of the second controller U1B is connected to the common terminal through the sixth capacitor C106.
One end of the ninth resistor R109 is connected to an output end (corresponding to 6 pins) of the second controller U1B, the other end of the ninth resistor R109 is connected to one end of the sixth capacitor C106, and the other output end (corresponding to 5 pins) of the second controller U1B is connected to the control end of the thyristor VT 104.
Specifically, the ninth resistor R109 and the sixth capacitor C106 determine the length of the delay, so that when the second controller U1B is turned over for delay, the output state control is not accurate due to multiple turns of the second controller U1B caused by multiple pulse signals.
The high and low levels output by the second controller U1B control the on/off of the thyristor VT104 through the tenth resistor R110, so as to control the brightness and delay of the LED lamp.
The LED lamp is a parallel circuit.
Specifically, when the LED lamp is turned on, the first transistor VT101 is in an amplifying state, the second transistor VT102 is in a blocking state, and the 5 th pin of the first controller U1A is at a low level, the pin 6 of the second controller U1B outputs a high level, and the thyristor VT104 is in a conducting state.
The 5 th pin of the first controller U1A is outputting high level, the third transistor VT103 is in saturation state, the 6 th pin of the second controller U1B outputs low level signal, delayed by the ninth resistor R109, and the sixth electrical device C106 is added to the 2 nd pin of the second controller U1B. Similarly, only when two pulses appear continuously, the state of the bistable circuit 106 is turned over once, the 6-pin of the second controller U1B outputs low level, the controllable silicon VT104 loses trigger voltage, the pulsating direct current is turned off when passing zero, and the LED lamp is changed from bright to dark, so that the purpose of turning off the lamp by sound control is realized.
On the other hand, this scheme is used for night or the darker time of light to use, can play automatic control's effect, when having the sound to send in external environment, all can start switch, and the LED lamp will light automatically, can extinguish automatically after a minute, and on daytime, when light is strong, no matter there is sound in the environment, can not start switch yet, and the LED lamp also can not light naturally, reaches energy-conserving purpose.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. The utility model provides a simple and easy adjustable reputation light control lamp circuit of time delay which characterized in that possesses:
the signal sensing circuit is configured at the front end of the acousto-optic signal lamp control circuit and is used for acquiring an acousto-optic signal input from the outside;
the signal input end of the signal amplifying circuit is coupled with the output end of the signal sensing circuit and is used for receiving the acousto-optic signal and amplifying the input acousto-optic signal;
the signal input end of the pulse circuit is coupled with the output end of the signal amplification circuit and is used for receiving the amplified acousto-optic signal and eliminating a clutter signal from the acousto-optic signal to form a pulse signal;
the signal input end of the delay circuit is coupled with the output end of the pulse circuit and is used for receiving the pulse signal and carrying out delay regulation and control on the working state of the LED lamp according to the input pulse signal;
and the signal input end of the bistable circuit is connected with the output end of the delay circuit and is used for receiving the pulse signal and turning over the pulse signal to form a level signal, and the working brightness of the LED lamp is regulated and controlled through the level signal.
2. The simple time-delay adjustable acousto-optic control lamp circuit as claimed in claim 1,
the signal sensing circuit comprises a photoresistor and an electret microphone,
the photoresistor is used for detecting a light signal and feeding the light signal back to the signal amplification circuit,
the electret microphone is used for acquiring a sound signal and feeding the sound signal back to the signal amplification circuit.
3. The simple time-delay adjustable acousto-optic control lamp circuit as claimed in claim 2,
the signal amplifying circuit comprises a first capacitor, a second resistor, a third resistor and a first triode,
one end of the first capacitor is respectively connected with the photoresistor and the output end of the electret microphone,
one end of the second resistor is connected with a power supply end, the other end of the second resistor is respectively connected with the other end of the first capacitor and the base electrode of the first triode,
the collector of the first triode is connected with the power supply end through the third resistor, wherein the collector of the first triode is also connected with the input end of the pulse circuit,
and the emitter of the first triode is connected with the common end.
4. The simple time-delay adjustable acousto-optic control lamp circuit as claimed in claim 3,
the pulse circuit comprises a pulse forming circuit and a pulse shaping circuit, wherein,
the signal input end of the pulse forming circuit is connected with the collector electrode of the first triode,
the signal input end of the pulse shaping circuit is coupled with the output end of the pulse forming circuit.
5. The simple time-delay adjustable acousto-optic control lamp circuit as claimed in claim 4,
the pulse forming circuit comprises a second triode, a second capacitor and a fourth diode,
one end of the second capacitor is coupled to the collector of the first triode,
the other end of the second capacitor is respectively connected with the base electrode of the second triode and the anode of the fourth diode,
the emitting electrode of the second triode and the cathode of the fourth diode are respectively connected with the power supply end,
the collector of the second triode is coupled to the input end of the pulse shaping circuit.
6. The simple time-delay adjustable acousto-optic control lamp circuit as claimed in claim 4,
the pulse shaping circuit comprises a first controller, a fifth resistor and a third diode,
a signal input end of the first controller is connected with a collector electrode of the second triode,
the other signal input end of the first controller is respectively connected with one end of the fifth resistor and the anode of the third diode,
the other end of the fifth resistor and the cathode of the third diode are respectively connected with a signal end of the first controller,
and the signal output end of the first controller is connected with the input end of the delay circuit.
7. The simple time-delay adjustable acousto-optic control lamp circuit as claimed in claim 6,
the delay circuit comprises a second diode, a third triode and a seventh resistor,
the anode of the second diode and one end of the seventh resistor are respectively connected with the signal output end of the first controller,
the cathode of the second diode and the other end of the seventh resistor are connected with the base of the third triode through an eighth resistor,
the emitter of the third triode is connected with the common terminal,
the collector of the third triode is coupled to the signal input end of the bistable circuit.
8. The simple time-delay adjustable acousto-optic control lamp circuit as claimed in claim 7,
the bistable circuit comprises a second controller, a sixth capacitor and a ninth resistor,
the signal input end of the second controller is connected with the collector electrode of the third triode,
the negative power supply terminal of the second controller is connected with the common terminal through the sixth capacitor,
one end of the ninth resistor is connected with one output end of the second controller,
the other end of the ninth resistor is connected with one end of the sixth capacitor,
and the other output end of the second controller is connected with the control end of the controllable silicon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122382142.7U CN215581805U (en) | 2021-09-29 | 2021-09-29 | Simple time-delay adjustable acousto-optic control lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122382142.7U CN215581805U (en) | 2021-09-29 | 2021-09-29 | Simple time-delay adjustable acousto-optic control lamp circuit |
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| Publication Number | Publication Date |
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| CN215581805U true CN215581805U (en) | 2022-01-18 |
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| CN202122382142.7U Expired - Fee Related CN215581805U (en) | 2021-09-29 | 2021-09-29 | Simple time-delay adjustable acousto-optic control lamp circuit |
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- 2021-09-29 CN CN202122382142.7U patent/CN215581805U/en not_active Expired - Fee Related
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Granted publication date: 20220118 |