CN204596137U - A kind of anti-interference infra-red remote control sound control circuit - Google Patents
A kind of anti-interference infra-red remote control sound control circuit Download PDFInfo
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- CN204596137U CN204596137U CN201520124355.1U CN201520124355U CN204596137U CN 204596137 U CN204596137 U CN 204596137U CN 201520124355 U CN201520124355 U CN 201520124355U CN 204596137 U CN204596137 U CN 204596137U
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Abstract
The utility model discloses a kind of anti-interference infra-red remote control sound control circuit, comprises inductance L 1, diode D3, bidirectional thyristor Q1, triode VT1 and chip IC 1.The mode that the utility model sound control circuit utilizes KA2184 type infrared receiver chip and 555 timers to combine controls the conduction angle of bidirectional triode thyristor, thus realize the object of infrared controlled sound volume, add LC oscillatory circuit in circuit simultaneously, be used for harmonic inhabitation interference, add anti-interference, therefore this circuit has accurate, the jamproof advantage of control.
Description
Technical field
The utility model relates to a kind of stereo set, specifically a kind of anti-interference infra-red remote control sound control circuit.
Background technology
Sound equipment is a kind of very common audio-frequence player device, sound equipment common mostly at present is Non-follow control, use very inconvenient, the acoustic structure that minority controls with infrared remote control is comparatively complicated, and due to now a lot of with infrared remote control household electrical appliance, therefore infrared control system is easily subject to the impact of other electrical equipment.
Utility model content
The purpose of this utility model is to provide a kind of anti-interference infra-red remote control sound control circuit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of anti-interference infra-red remote control sound control circuit, comprises inductance L 1, diode D3, bidirectional thyristor Q1, triode VT1 and chip IC 1, a central electrode contact resistance R5 of described bidirectional thyristor Q1, resistance R6, electric capacity C1, electric capacity C2, electric capacity C6, diode D4, the emitter of triode VT1, 220V alternating current, the pin 4 of chip IC 1, the pin 8 of chip IC 1 and the pin 1 of chip IC 2, another central electrode of bidirectional thyristor Q1 connects loudspeaker B, and the other end of loudspeaker B connects electric capacity C3, the other end of inductance L 1 and 220V alternating current, the control pole of bidirectional thyristor Q1 connects the anode of diode D1, the negative electrode of diode D1 connects the pin 3 of chip IC 1, the other end contact resistance R1 of electric capacity C3 and the other end of inductance L 1, the other end of resistance R1 connects the negative electrode of diode D2, the anode contact resistance R3 of diode D2, resistance R4, resistance R7, electric capacity C3, electric capacity C4, the other end of electric capacity C6, the anode of diode D3, the anode of diode D4, the pin 1 of chip IC 1 and the pin 5 of chip IC 1, the pin 2 of chip IC 1 connects the other end of electric capacity C2 and the other end of resistance R3, the pin 6 of chip IC 1 connects the other end of electric capacity C1, the pin 7 contact resistance R2 of chip IC 1, the other end of other end contact resistance R4 of resistance R2 and the collector of triode VT1, the other end of base stage contact resistance R5 of triode VT1 and the pin 7 of chip IC 2, the other end of the pin 2 contact resistance R6 of chip IC 2, the other end of electric capacity C3 connects the pin 3 of chip IC 2, the other end of electric capacity C4 connects the pin 5 of chip IC 2, the other end of resistance R7 connects electric capacity C5, the other end of electric capacity C5 connects the pin 6 of chip IC 2, and the pin 4 of chip IC 2 connects the negative electrode of diode D3.
As preferred version of the present utility model: described diode D3 is light emitting diode.
As preferred version of the present utility model: the model of described chip IC 1 is NE555, the model of described chip IC 2 is KA2184.
Compared with prior art, the beneficial effects of the utility model are: the mode that the utility model sound control circuit utilizes KA2184 type infrared receiver chip and 555 timers to combine controls the conduction angle of bidirectional triode thyristor, thus realize the object of infrared controlled sound volume, add LC oscillatory circuit in circuit simultaneously, be used for harmonic inhabitation interference, add anti-interference, therefore this circuit has accurate, the jamproof advantage of control.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of anti-interference infra-red remote control sound control circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of anti-interference infra-red remote control sound control circuit, comprises inductance L 1, diode D3, bidirectional thyristor Q1, triode VT1 and chip IC 1, a central electrode contact resistance R5 of described bidirectional thyristor Q1, resistance R6, electric capacity C1, electric capacity C2, electric capacity C6, diode D4, the emitter of triode VT1, 220V alternating current, the pin 4 of chip IC 1, the pin 8 of chip IC 1 and the pin 1 of chip IC 2, another central electrode of bidirectional thyristor Q1 connects loudspeaker B, and the other end of loudspeaker B connects electric capacity C3, the other end of inductance L 1 and 220V alternating current, the control pole of bidirectional thyristor Q1 connects the anode of diode D1, the negative electrode of diode D1 connects the pin 3 of chip IC 1, the other end contact resistance R1 of electric capacity C3 and the other end of inductance L 1, the other end of resistance R1 connects the negative electrode of diode D2, the anode contact resistance R3 of diode D2, resistance R4, resistance R7, electric capacity C3, electric capacity C4, the other end of electric capacity C6, the anode of diode D3, the anode of diode D4, the pin 1 of chip IC 1 and the pin 5 of chip IC 1, the pin 2 of chip IC 1 connects the other end of electric capacity C2 and the other end of resistance R3, the pin 6 of chip IC 1 connects the other end of electric capacity C1, the pin 7 contact resistance R2 of chip IC 1, the other end of other end contact resistance R4 of resistance R2 and the collector of triode VT1, the other end of base stage contact resistance R5 of triode VT1 and the pin 7 of chip IC 2, the other end of the pin 2 contact resistance R6 of chip IC 2, the other end of electric capacity C3 connects the pin 3 of chip IC 2, the other end of electric capacity C4 connects the pin 5 of chip IC 2, the other end of resistance R7 connects electric capacity C5, the other end of electric capacity C5 connects the pin 6 of chip IC 2, and the pin 4 of chip IC 2 connects the negative electrode of diode D3.
Diode D3 is light emitting diode.
The model of chip IC 1 is NE555, and the model of chip IC 2 is KA2184.
Principle of work of the present utility model is: after infrared receiving tube IC2 receives the remote signal that telepilot sends, by 7 pin output low levels after KA2184 process.This low level is directly added to the base stage of triode VT1, makes its conducting, and the electric current that the collector of triode VT1 exports forms a high level output in R4 upper end.This high level adds to input end 7 pin of timer circuit IC1 by R2.As control signal.After the 7 pin input trigger pips of timer circuit IC1, its 3 pin will the gating pulse of continuous output controlling bidirectional thyristor conducting pin, and the conduction angle of bidirectional thyristor Q1 is changed.Along with the change of two-way product brake tube conduction angle, the volume that loudspeaker B sends also is changed from small to big or from large to small, thus achieves the infrared control to audio amplifier.Add LC oscillatory circuit in circuit, be used for harmonic inhabitation interference, simultaneously it can be prevented again by other electrical appliances of Interference from the power supply wire, add anti-interference, therefore this circuit has and controls accurate, jamproof advantage.
Claims (3)
1. an anti-interference infra-red remote control sound control circuit, comprises inductance L 1, diode D3, bidirectional thyristor Q1, triode VT1 and chip IC 1, it is characterized in that, a central electrode contact resistance R5 of described bidirectional thyristor Q1, resistance R6, electric capacity C1, electric capacity C2, electric capacity C6, diode D4, the emitter of triode VT1, 220V alternating current, the pin 4 of chip IC 1, the pin 8 of chip IC 1 and the pin 1 of chip IC 2, another central electrode of bidirectional thyristor Q1 connects loudspeaker B, and the other end of loudspeaker B connects electric capacity C3, the other end of inductance L 1 and 220V alternating current, the control pole of bidirectional thyristor Q1 connects the anode of diode D1, the negative electrode of diode D1 connects the pin 3 of chip IC 1, the other end contact resistance R1 of electric capacity C3 and the other end of inductance L 1, the other end of resistance R1 connects the negative electrode of diode D2, the anode contact resistance R3 of diode D2, resistance R4, resistance R7, electric capacity C3, electric capacity C4, the other end of electric capacity C6, the anode of diode D3, the anode of diode D4, the pin 1 of chip IC 1 and the pin 5 of chip IC 1, the pin 2 of chip IC 1 connects the other end of electric capacity C2 and the other end of resistance R3, the pin 6 of chip IC 1 connects the other end of electric capacity C1, the pin 7 contact resistance R2 of chip IC 1, the other end of other end contact resistance R4 of resistance R2 and the collector of triode VT1, the other end of base stage contact resistance R5 of triode VT1 and the pin 7 of chip IC 2, the other end of the pin 2 contact resistance R6 of chip IC 2, the other end of electric capacity C3 connects the pin 3 of chip IC 2, the other end of electric capacity C4 connects the pin 5 of chip IC 2, the other end of resistance R7 connects electric capacity C5, the other end of electric capacity C5 connects the pin 6 of chip IC 2, and the pin 4 of chip IC 2 connects the negative electrode of diode D3.
2. the anti-interference infra-red remote control sound control circuit of one according to claim 1, is characterized in that, described diode D3 is light emitting diode.
3. the anti-interference infra-red remote control sound control circuit of one according to claim 1, is characterized in that, the model of described chip IC 1 is NE555, and the model of described chip IC 2 is KA2184.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124355.1U CN204596137U (en) | 2015-05-12 | 2015-05-12 | A kind of anti-interference infra-red remote control sound control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124355.1U CN204596137U (en) | 2015-05-12 | 2015-05-12 | A kind of anti-interference infra-red remote control sound control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204596137U true CN204596137U (en) | 2015-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520124355.1U Expired - Fee Related CN204596137U (en) | 2015-05-12 | 2015-05-12 | A kind of anti-interference infra-red remote control sound control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204596137U (en) |
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2015
- 2015-05-12 CN CN201520124355.1U patent/CN204596137U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160802 Address after: 523000, Xin'an Road, Humen Town, Guangdong, Dongguan Province, No. 72 Patentee after: ANYSONIC ELECTRONICS Co.,Ltd. Address before: The five bridge in the town of Fuyang District of Hangzhou city 311404 new village in Zhejiang Province Patentee before: FUYANG HUAIBANG MACHINERY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 |