CN206210100U - A kind of width-adjustable smart home infrared communication circuit - Google Patents
A kind of width-adjustable smart home infrared communication circuit Download PDFInfo
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- CN206210100U CN206210100U CN201620521377.6U CN201620521377U CN206210100U CN 206210100 U CN206210100 U CN 206210100U CN 201620521377 U CN201620521377 U CN 201620521377U CN 206210100 U CN206210100 U CN 206210100U
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Abstract
The utility model is related to the smart home communications field, and in particular to a kind of width-adjustable smart home infrared communication circuit, is to include：Input module, amplification modulating circuit：Amplify signal and be modulated, sent to amplitude modulation circuit after converting the signal to symmetrical square-wave signal；Amplitude modulation circuit：Sent to infrared transmission module after amplitude modulation(PAM) is carried out to signal；Infrared transmission module：Modulated signal is converted into infrared signal and is transmitted；Infrared receiving module：Infrared signal is received, the conversion for completing photosignal is sent to amplification demodulator circuit：Amplify demodulator circuit：The signal that infrared receiving module is sended over is sent to output module after being amplified demodulation by filter treatment；Output module.Its cost performance is high, realizes simply, with electromagnetism interference, being easy to high-speed applications, space access, can be used for indoor and outdoor and realize point-to-point transmission, any amplitude modulation(PAM) can be carried out to signal square wave, according to different installation environments, selection is adapted to the convenient reception of power of output.
Description
Technical field
The present invention relates to the smart home communications field, and in particular to a kind of width-adjustable smart home infrared communication circuit.
Background technology
Smart home, or intelligent dwelling, with house as platform, have both building, network service, information household appliances, equipment certainly
Dynamicization, efficient, comfortable, safe and convenient, the environmentally friendly living environment that collecting system, structure, service, management are integrated, it is convenient to show fully
By the various equipment in family, such as audio ＆ video equipment, illuminator, curtain control, airconditioning control, safety-protection system, digital camera system
System, network home appliance etc., by home-network linkups to together.
Existing intelligent home device is typically attached the network service chip, it is necessary to extra by bluetooth or network, into
This is higher, and existing old-fashioned household electrical appliance generally use infrared communication, and the mode using digital network communication is less, existing family
Although electrical appliance also has the product of embedded intelligent chip, price is expensive, is not appropriate for promoting, and red transmitting outer tube is due to driving work(
Rate requirement is higher, and in the relatively low situation of driving power, communication distance is limited, is not suitable for using over long distances, but long-time high power
Output can cause power consumption excessive, and system radiating can also be under some influence.
The content of the invention
Goal of the invention of the invention is：It is infrared for the problem that prior art is present, there is provided with low cost to be easily achieved
A kind of whole width-adjustable smart home infrared communication circuit of power adjustable.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of width-adjustable smart home infrared communication circuit, including：Input module：For receiving signal and being sent to amplification
Modulation circuit；Amplification modulating circuit：Amplify signal and be modulated, sent to width after converting the signal to symmetrical square-wave signal
Degree modulation circuit；Amplitude modulation circuit：Amplitude modulation(PAM) is carried out to signal, the modulated signal after conversion is sent to infrared emission mould
Block；Infrared transmission module：Modulated signal is converted into infrared signal and is transmitted；Infrared receiving module：Receive infrared signal,
Complete photosignal is converted and transmitted to amplification demodulator circuit：Amplify demodulator circuit：Infrared receiving module is sended over
Signal is sent to output module after being amplified demodulation by filter treatment；Output module：The signal of reception amplification demodulator circuit is simultaneously complete
Into output.
Further, amplification modulating circuit structure is：, used as circuit input end, it is just for the negative input end of integrated transporting discharging U1A
Input end grounding, the power end of integrated transporting discharging U1A is connected to power supply VCC, integrated transporting discharging U1A output ends and circuit by resistance R6
Resistance R1 is connected between input；Integrated transporting discharging U1A output ends are connected to reverser U2A inputs, phase inverter by resistance R2
Also forward direction connects the output end of diode D1 and resistance R4 to phase inverter U2A to U2A inputs successively, and phase inverter U2A inputs connect
It is connected to the input of phase inverter U3A；The output end of phase inverter U3A is used as circuit output end；
Further, integrated transporting discharging U2A inputs are grounded by electric capacity C2, and the node of resistance R6 and resistance R5 passes through electric capacity
C1 is grounded, and filtering is filtered to signal using electric capacity, reduces interference of the noise to signal, it is ensured that the normal transmission of signal.
Further, integrated transporting discharging U2A uses CD40106 chips, obtains more satisfactory using inverter trigger shaping
Rectangular pulse waveform.
Further, amplitude modulation circuit includes that integrated transporting discharging U7A, integrated transporting discharging U7A use CA3080A, integrated transporting discharging
Used as circuit input end, negative input end is also sequentially connected resistance R14 and R13 to the just defeated of integrated transporting discharging U7A to the negative input end of U7A
Enter end, the node ground connection of resistance R14 and R13, the positive input terminal of integrated transporting discharging U7A is also connected to rheostat R11 by resistance R12
Control end, the two ends of rheostat R11 connect power supply VCC and negative supply-VCC respectively, and the bias current end of integrated transporting discharging U7A connects
The colelctor electrode of PNP triode Q5 is connect, the emitter stage of triode Q5 connects+5V power supplys by resistance R17, and the base stage of triode Q5 connects
It is connected to the emitter stage of triode Q2 and the colelctor electrode of triode Q3, the colelctor electrode and base stage of triode Q2 are connected to power supply VCC, three
The base stage of pole pipe Q2 is grounded by resistance R15；The base stage of triode Q3 is connected to power supply VCC by resistance R16, triode Q3's
Base stage is also connected with the colelctor electrode of triode Q1, and the emitter stage of triode Q3 is connected to the colelctor electrode of triode Q4, triode Q1's
Base stage is connected with the base stage and colelctor electrode of triode Q4, and the emitter stage of triode Q1 connects again after being connected with the emitter stage of triode Q4
The power supply of -5V is connected to, used as circuit output end, triode Q1, Q2, Q3, Q4 transistor constitute base to the output end of integrated transporting discharging U7A
Bias current sources are amplified by quasi- bias current sources by NPN triode Q5, by temperature when mirror-image structure ensures that circuit works
Degree influence is smaller, is difficult, by noise jamming, to be adjusted signal amplitude by standardsizing rheostat R11, realizes that infrared signal is sent out
Penetrate modular power adjustable.
Further, amplifying demodulator circuit structure is：The negative input of integrated transporting discharging U5A connects infrared as circuit input end
Receiver module；Integrated transporting discharging U1 positive input terminals are connected to negative voltage source, and resistance R7, collection are connected between its output end and negative input end
Resistance R8 is passed sequentially through into amplifier U1 output ends and electric capacity C3 is connected to the negative input end of integrated transporting discharging U6A；Integrated transporting discharging U6A's
Positive input terminal is grounded, and resistance R9, the output of integrated transporting discharging U6A are connected between the negative input end of integrated transporting discharging U6A and its output end
Hold by the way that, used as circuit output end, circuit output end is also grounded by electric capacity C4, and treatment is amplified to signal after resistance R10,
Due to signal for square wave is transmitted, it is filtered using electric capacity is demodulated, obtain standard output signals.
In sum, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, cost performance is high, realizes simply, with electromagnetism interference, being easy to high-speed applications, space access, can be used for room
It is inside and outside to realize point-to-point transmission.
2nd, any amplitude modulation(PAM) can be carried out to signal square wave, according to different installation environments, selection is adapted to the power of output.
Brief description of the drawings
Fig. 1 is general principle figure of the invention；
Fig. 2 is amplification modulating circuit schematic diagram of the invention；
Fig. 3 is amplitude modulation circuit schematic diagram of the invention；
Fig. 4 is amplification demodulator circuit schematic diagram of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
Embodiment
A kind of width-adjustable smart home infrared communication circuit, including：Input module：For receiving signal and being sent to amplification
Modulation circuit；Amplification modulating circuit：Amplify signal and be modulated, sent to electricity after converting the signal to symmetrical square-wave signal
Flat displacement module；Amplitude modulation circuit：Amplitude modulation(PAM) is carried out to signal, the modulated signal after conversion is sent to infrared emission mould
Block；Infrared transmission module：Modulated signal is converted into infrared signal and is transmitted；Infrared receiving module：Receive infrared signal,
Complete photosignal is converted and transmitted to amplification demodulator circuit：Amplify demodulator circuit：Infrared receiving module is sended over
Signal is sent to output module after being amplified demodulation by filter treatment；Output module：The signal of reception amplification demodulator circuit is simultaneously complete
Into output.
Amplification modulating circuit structure is：Used as circuit input end, its positive input is terminated the negative input end of integrated transporting discharging U1A
Ground, the power end of integrated transporting discharging U1A is connected to power supply VCC by resistance R6, between integrated transporting discharging U1A output ends and circuit input end
It is connected with resistance R1；Integrated transporting discharging U1A output ends are connected to reverser U2A inputs, phase inverter U2A inputs by resistance R2
Also forward direction connects the output end of diode D1 and resistance R4 to phase inverter U2A successively, and phase inverter U2A inputs are connected to phase inverter
The input of U3A；The output end of phase inverter U3A is used as circuit output end.Integrated transporting discharging U2A inputs are grounded by electric capacity C2,
The node of resistance R6 and resistance R5 is grounded by electric capacity C1.Integrated transporting discharging U2A uses CD40106 chips.
Amplitude modulation circuit includes that integrated transporting discharging U7A, integrated transporting discharging U7A use CA3080A, and integrated transporting discharging U7A's is negative defeated
Enter end as circuit input end, negative input end is also sequentially connected resistance R14 and R13 to the positive input terminal of integrated transporting discharging U7A, resistance
The node ground connection of R14 and R13, the positive input terminal of integrated transporting discharging U7A is also connected to the control end of rheostat R11 by resistance R12,
The two ends of rheostat R11 connect power supply VCC and negative supply-VCC, bias current end connection PNP tri- poles of integrated transporting discharging U7A respectively
The colelctor electrode of pipe Q5, the emitter stage of triode Q5 connects+5V power supplys by resistance R17, and the base stage of triode Q5 is connected to three poles
The emitter stage of pipe Q2 and the colelctor electrode of triode Q3, the colelctor electrode and base stage of triode Q2 are connected to power supply VCC, triode Q2's
Base stage is grounded by resistance R15；The base stage of triode Q3 is connected to power supply VCC by resistance R16, and the base stage of triode Q3 also connects
The colelctor electrode of triode Q1 is connect, the emitter stage of triode Q3 is connected to the colelctor electrode of triode Q4, the base stage and three of triode Q1
Base stage and the colelctor electrode connection of pole pipe Q4, the emitter stage of triode Q1 are connected to -5V after being connected with the emitter stage of triode Q4
Power supply, the output end of integrated transporting discharging U7A is used as circuit output end.
Amplifying demodulator circuit structure is：The negative input of integrated transporting discharging U5A connects infrared receiving module as circuit input end；
Integrated transporting discharging U1 positive input terminals are connected to negative voltage source, and resistance R7, integrated transporting discharging U1 are connected between its output end and negative input end
Output end passes sequentially through resistance R8 and electric capacity C3 is connected to the negative input end of integrated transporting discharging U6A；The positive input terminal of integrated transporting discharging U6A
Ground connection, connects resistance R9 between the negative input end of integrated transporting discharging U6A and its output end, the output end of integrated transporting discharging U6A is by electricity
As circuit output end after resistance R10, circuit output end is also grounded by electric capacity C4.The foregoing is only preferable implementation of the invention
Example, be not intended to limit the invention, all any modifications made within the spirit and principles in the present invention, equivalent and
Improve etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of width-adjustable smart home infrared communication circuit, it is characterised in that including：
Input module：For receiving signal and being sent to amplification modulating circuit；
Amplification modulating circuit：Amplify signal and be modulated, sent to amplitude tune after converting the signal to symmetrical square-wave signal
Circuit processed；
Amplitude modulation circuit：Amplitude modulation(PAM) is carried out to signal, the modulated signal after conversion is sent to infrared transmission module；
Infrared transmission module：Modulated signal is converted into infrared signal and is transmitted；
Infrared receiving module：Infrared signal is received, complete photosignal is converted and transmitted to amplification demodulator circuit：
Amplify demodulator circuit：Output is sent to after the signal that infrared receiving module is sended over is amplified into demodulation by filter treatment
Module；
Output module：Receive the signal of amplification demodulator circuit and complete output.
2. a kind of width-adjustable smart home infrared communication circuit according to claim 1, it is characterised in that the amplification is adjusted
Circuit structure processed is：Used as circuit input end, its positive input terminal is grounded the negative input end of integrated transporting discharging U1A, integrated transporting discharging U1A's
Power end is connected to power supply VCC by resistance R6, and resistance R1 is connected between integrated transporting discharging U1A output ends and circuit input end；Collection
Reverser U2A inputs, the also positive connection successively of phase inverter U2A inputs are connected to by resistance R2 into amplifier U1A output ends
The output end of diode D1 and resistance R4 to phase inverter U2A, phase inverter U2A inputs are connected to the input of phase inverter U3A；Instead
The output end of phase device U3A is used as circuit output end.
3. a kind of width-adjustable smart home infrared communication circuit according to claim 2, it is characterised in that the integrated fortune
Put U2A inputs to be grounded by electric capacity C2, the node of resistance R6 and resistance R5 is grounded by electric capacity C1.
4. a kind of width-adjustable smart home infrared communication circuit according to claim 2, it is characterised in that the integrated fortune
U2A is put using CD40106 chips.
5. a kind of width-adjustable smart home infrared communication circuit according to claim 1, it is characterised in that the amplitude is adjusted
Circuit processed includes that integrated transporting discharging U7A, integrated transporting discharging U7A use CA3080A, and the negative input end of integrated transporting discharging U7A is defeated as circuit
Enter end, negative input end is also sequentially connected resistance R14 and R13 to the positive input terminal of integrated transporting discharging U7A, the node of resistance R14 and R13
Ground connection, the positive input terminal of integrated transporting discharging U7A is also connected to the control end of rheostat R11, the two of rheostat R11 by resistance R12
End connects power supply VCC and negative supply-VCC respectively, and the bias current end of integrated transporting discharging U7A connects the colelctor electrode of PNP triode Q5,
The emitter stage of triode Q5 connects+5V power supplys by resistance R17, the base stage of triode Q5 be connected to triode Q2 emitter stage and
The colelctor electrode of triode Q3, the colelctor electrode and base stage of triode Q2 are connected to power supply VCC, and the base stage of triode Q2 passes through resistance
R15 is grounded；The base stage of triode Q3 is connected to power supply VCC by resistance R16, and the base stage of triode Q3 is also connected with triode Q1's
Colelctor electrode, the emitter stage of triode Q3 is connected to the colelctor electrode of triode Q4, the base stage of triode Q1 and the base stage of triode Q4
Connected with colelctor electrode, the emitter stage of triode Q1 is connected to the power supply of -5V, integrated fortune after being connected with the emitter stage of triode Q4
The output end of U7A is put as circuit output end.
6. a kind of width-adjustable smart home infrared communication circuit according to claim 1, it is characterised in that the amplification solution
Adjust circuit structure be：The negative input of integrated transporting discharging U5A connects infrared receiving module as circuit input end；Integrated transporting discharging U1 is just defeated
Enter end and be connected to negative voltage source, resistance R7 is connected between its output end and negative input end, integrated transporting discharging U1 output ends are passed sequentially through
Resistance R8 and electric capacity C3 are connected to the negative input end of integrated transporting discharging U6A；The positive input terminal ground connection of integrated transporting discharging U6A, integrated transporting discharging
Resistance R9 is connected between the negative input end of U6A and its output end, the output end of integrated transporting discharging U6A is by conduct electricity after resistance R10
Road output end, circuit output end is also grounded by electric capacity C4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620521377.6U CN206210100U (en) | 2016-05-31 | 2016-05-31 | A kind of width-adjustable smart home infrared communication circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620521377.6U CN206210100U (en) | 2016-05-31 | 2016-05-31 | A kind of width-adjustable smart home infrared communication circuit |
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|---|---|
| CN206210100U true CN206210100U (en) | 2017-05-31 |
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| CN201620521377.6U Expired - Fee Related CN206210100U (en) | 2016-05-31 | 2016-05-31 | A kind of width-adjustable smart home infrared communication circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055084A (en) * | 2017-12-28 | 2018-05-18 | 国网河南省电力公司信息通信公司 | Optical network signal enhances radiating circuit |
-
2016
- 2016-05-31 CN CN201620521377.6U patent/CN206210100U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055084A (en) * | 2017-12-28 | 2018-05-18 | 国网河南省电力公司信息通信公司 | Optical network signal enhances radiating circuit |
| CN108055084B (en) * | 2017-12-28 | 2019-12-24 | 国网河南省电力公司信息通信公司 | Optical network signal enhancement transmitting circuit |
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| GR01 | Patent grant | ||
| 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: 20170531 Termination date: 20180531 |