CN202650240U - Intelligent infrared remote control repeater - Google Patents
Intelligent infrared remote control repeater Download PDFInfo
- Publication number
- CN202650240U CN202650240U CN 201220220868 CN201220220868U CN202650240U CN 202650240 U CN202650240 U CN 202650240U CN 201220220868 CN201220220868 CN 201220220868 CN 201220220868 U CN201220220868 U CN 201220220868U CN 202650240 U CN202650240 U CN 202650240U
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- signal
- prompt tone
- circuit
- remote control
- comparative analysis
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Abstract
The utility model discloses an intelligent infrared remote control repeater which can achieve conforming of effectiveness of infrared signal remote control through remote control. The intelligent infrared remote control repeater comprises a feedback system of a prompt sound picking circuit corresponding to an infrared controlled electrical appliance. The output end of the feedback system is connected with a signal comparing and analyzing circuit. The feedback system feeds back and outputs prompt sound electric signals corresponding to prompt sound produced by the infrared controlled electric appliance to the signal comparing and analyzing circuit. The signal comparing and analyzing circuit compares and analyzes the prompt sound electric signals and effective prompt sound electric signals stored in the signal comparing and analyzing circuit.
Description
Technical field
The utility model relates to a kind of telechiric device, relates in particular to a kind of intelligent infrared ray remote control transponder that electric appliance and electronic equipment is carried out infrared forwarding remote control.
Background technology
The intelligent electric appliance control system can be long-range, on the spot, indiscriminately ad. as one wishes use and control, the intelligent electric appliance control system use as people provide hommization, intellectuality, energy-conservation, rational, rationally use and the consumer appliances product provides the approach with feasibility, greatly enriched people's spirit and material life.And one of indispensable device of long-range and local control of realizing electric equipment is exactly remote control transponder, and the infrared remote control transponder is simple in structure, with low cost with it, is easy to make, and use is reliable, instant noodles use comparatively general.The stability of electric equipment Intelligent Remote Control System work and reliability are decided by the related work performances such as the stability of infrared remote control transponder and reliability to a certain extent.
Existing infrared remote control transponder can't confirm when Long-distance Control whether each control is effective, generally all is to confirm from controlling the scene by the operator; Like this, when infrared signal is blocked or other abnormal conditions occur, control unsuccessfully, this situation remote control method can't be known; Thereby whether existing infrared remote control retransmission unit is controlled effectively, and remote control method can't be confirmed.
Summary of the invention
The purpose of this utility model provides a kind of intelligent infrared ray remote control transponder, and this intelligent infrared ray remote control transponder can be realized the validity of long-range control affirmation infrared signal remote control, and simple in structure, control is sensitive, working stability, reliable.
The technical solution of the utility model comprises with infrared by the corresponding feedback system of control electric equipment, described feedback system comprises with infrared by the corresponding prompt tone pick-up circuit of control electric equipment, the output terminal of feedback system is connected with a signal comparative analysis circuit, to be exported to signal comparative analysis circuit by the corresponding prompt tone electric signal feedback of the corresponding prompt tone that sends of control electric equipment with infrared by described feedback system, the prompt tone electric signal of this feedback system being sent here by signal comparative analysis circuit again be stored in the signal comparative analysis circuit, effectively the prompt tone electric signal compares analysis, confirms the validity of infrared signal remote control to pick up the prompt tone feedback signal.
Described signal comparative analysis circuit is analyzed with the frequency that is stored in the effective prompt tone electric signal in this signal comparative analysis circuit with the frequency of the corresponding prompt tone electric signal of feedback system output.
Described feedback system output signal is the prompt tone electric impulse signal corresponding with prompt tone, described signal comparative analysis circuit detects by the pulse interval to this prompt tone electric impulse signal, obtaining the frequency of corresponding prompt tone electric impulse signal, and then described prompt tone electric impulse signal and the effective prompt tone electric impulse signal that is stored in this signal comparative analysis circuit carried out the frequency comparative analysis.
Described prompt tone pick-up circuit comprises with infrared by the corresponding acoustic pickup of the prompt tone of control electric equipment output, described feedback system also comprises the signal amplification circuit that is connected with prompt tone pick-up circuit output terminal, the output terminal of described signal amplification circuit is connected with shaping circuit, and the input end of described signal comparative analysis circuit is connected with the output terminal of this shaping circuit; Described acoustic pickup converts the infrared corresponding prompt tone that is sent by the control electric equipment to the prompt tone electric signal, described signal amplification circuit amplifies the prompt tone electric signal of prompt tone pick-up circuit output, and described shaping circuit carries out shaping output prompt tone electric impulse signal to the prompt tone electric signal of signal amplification circuit output.
Described acoustic pickup is electret pick-up.
Described prompt tone pick-up circuit also comprises the audio coupling output circuit of the input end that is connected in described acoustic pickup output terminal and signal amplification appliance, described signal amplification circuit comprises one or more levels operational amplification circuit, and described shaping circuit comprises one or more field effect transistors.
Described two-stage calculation amplifying circuit comprises two integrated operational amplifiers, described audio coupling output circuit comprises a capacitor and resistance of input end of the integrated operational amplifier of the shunt capacitance that is connected to the acoustic pickup output terminal and the output terminal that is serially connected with successively acoustic pickup and the first order, described shaping circuit comprises a field effect transistor, the grid of described field effect transistor is connected with the integrated operational amplifier of the second level with the capacitor's seriesu circuit by corresponding resistance, its source electrode is connected by the input end of a crystal diode with described signal comparative analysis circuit as output terminal, and the two ends of the transistorized power supply biasing resistor of being on the scene effect also are connected to a clamper crystal diode.
The utility model will have prompt tone after utilizing infrared control equipment to receive effective infrared control instruction, one prompt tone feedback system (circuit) is set on the infrared remote control transponder set, determines the validity of infrared signal remote control control by picking up the prompt tone feedback signal.Realized whether the infrared signal emission is effectively detected.
Description of drawings
Fig. 1 is the utility model one embodiment circuit theory diagrams.
Embodiment
Now also the utility model is described in further detail by reference to the accompanying drawings by embodiment.As shown in the figure, the feedback system of the infrared remote control transponder of present embodiment comprises the prompt tone pick-up circuit 1 that is made of electret pick-up MCI, audio coupling output circuit and corresponding resistance and capacitor etc., the integrated operational amplifier circuit 2 that two integrated operational amplifiers and corresponding peripheral cell thereof consist of, and the shaping circuit 3 that is mainly consisted of by a field effect transistor Q2 and corresponding resistance, capacitor etc., shaping circuit 3 output terminals are connected in signal comparative analysis circuit 4.
The audio coupling output circuit comprises that an end is connected in the repeating resistance R32 of the inverting input of integrated operational amplifier U10-A, the formations such as coupling condenser C36 that the one end is connected with the other end of repeating resistance R32, the other end is connected with the output terminal 1 of electret pick-up MCI, be connected with a bypass capacitor C37 between two output terminals 1 and 2 of electret pick-up MCI, the output terminal 1 of electret pick-up MCI is connected with power supply through a biasing resistor R31 simultaneously.
The inverting input of the output terminal of integrated operational amplifier U10-A and integrated operational amplifier U10-B interconnects by the resaistance-capacity coupling circuit that is composed in series by capacitor C39 and resistance R 35, adjustable resistance RJ1.
The grid of field effect transistor Q2 is connected with the output terminal of integrated operational amplifier U10-B with capacitor C41 through the resistance R 59 of mutually series connection, source electrode as the field effect transistor Q2 of the output terminal of shaping circuit is connected with signal comparative analysis circuit 4 input ends through crystal diode D10, the grid of field effect transistor Q2 is connected with source electrode through resistance R 58 and is connected with power supply with R40, be connected with a crystal diode D12 between the grid of field effect transistor Q2 and the corresponding power supply, wherein, the positive pole of crystal diode D12 is connected in the grid of field effect transistor Q2.
When using first, obtain and store the frequency of the corresponding electric impulse signal of an effective infrared signal remote control prompt sound by the infrared signal feedback circuit by signal comparative analysis circuit; When long-range use, ultra-red order of every forwarding just starts the infrared signal feedback circuit one time, the frequency of the electric impulse signal of the frequency of the prompt tone electric impulse signal that the prompt tone that the infrared controlled electric appliance equipment that will be got access to by signal comparative analysis circuit again produces is corresponding and the effective prompt tone of preservation compares, if frequency is identical, illustrate that this infrared signal remote control is for effective, if different, illustrate that control is invalid.
Its course of work is: electret pick-up changes into ultra-weak electronic signal with the infrared corresponding prompting sound signal of being sent by the control electric equipment and is coupled to signal amplification circuit, be sent to shaping circuit after being amplified by the two-stage calculation amplifier of signal amplification circuit, it is shaped to corresponding with the prompt tone frequency by shaping circuit, the prompt tone electric impulse signal of certain pulse width is sent to signal comparative analysis circuit, the pulse signal that gets access to is carried out the time interval analytical calculation of pulse by signal comparative analysis circuit, obtain the frequency values of corresponding prompt tone, with this frequency values with stored, its pulsewidth with it frequency values of identical effective prompt tone compares analysis, and then realizes confirming to pick up the prompt tone feedback signal validity of infrared signal remote control control.
Claims (7)
1. intelligent infrared ray remote control transponder, comprise with infrared by the corresponding feedback system of control electric equipment, it is characterized in that described feedback system comprises with infrared by the corresponding prompt tone pick-up circuit of control electric equipment, the output terminal of feedback system is connected with a signal comparative analysis circuit, to be exported to signal comparative analysis circuit by the corresponding prompt tone electric signal feedback of the corresponding prompt tone that sends of control electric equipment with infrared by described feedback system, the prompt tone electric signal of this feedback system being sent here by signal comparative analysis circuit again be stored in the signal comparative analysis circuit, effectively the prompt tone electric signal compares analysis, confirms the validity of infrared signal remote control to pick up the prompt tone feedback signal.
2. described intelligent infrared ray remote control transponder according to claim 1 is characterized in that described signal comparative analysis circuit is analyzed with the frequency that is stored in the effective prompt tone electric signal in this signal comparative analysis circuit with the frequency of the corresponding prompt tone electric signal of feedback system output.
3. described intelligent infrared ray remote control transponder according to claim 1 and 2, it is characterized in that described feedback system output signal is the prompt tone electric impulse signal corresponding with prompt tone, described signal comparative analysis circuit detects by the pulse interval to this prompt tone electric impulse signal, obtaining the frequency of corresponding prompt tone electric impulse signal, and then described prompt tone electric impulse signal and the effective prompt tone electric impulse signal that is stored in this signal comparative analysis circuit carried out the frequency comparative analysis.
4. described intelligent infrared ray remote control transponder according to claim 1 and 2, it is characterized in that described prompt tone pick-up circuit comprises with infrared by the corresponding acoustic pickup of the prompt tone of control electric equipment output, described feedback system also comprises the signal amplification circuit that is connected with prompt tone pick-up circuit output terminal, the output terminal of described signal amplification circuit is connected with shaping circuit, and the input end of described signal comparative analysis circuit is connected with the output terminal of this shaping circuit; Described acoustic pickup converts the infrared corresponding prompt tone that is sent by the control electric equipment to the prompt tone electric signal, described signal amplification circuit amplifies the prompt tone electric signal of prompt tone pick-up circuit output, and described shaping circuit carries out shaping output prompt tone electric impulse signal to the prompt tone electric signal of signal amplification circuit output.
5. described intelligent infrared ray remote control transponder according to claim 4 is characterized in that described acoustic pickup is electret pick-up.
6. described intelligent infrared ray remote control transponder according to claim 4, it is characterized in that described prompt tone pick-up circuit also comprises the audio coupling output circuit of the input end that is connected in described acoustic pickup output terminal and signal amplification appliance, described signal amplification circuit comprises one or more levels operational amplification circuit, and described shaping circuit comprises one or more field effect transistors.
7. described intelligent infrared ray remote control transponder according to claim 6, it is characterized in that described two-stage calculation amplifying circuit comprises two integrated operational amplifiers, described audio coupling output circuit comprises a capacitor and resistance of input end of the integrated operational amplifier of the shunt capacitance that is connected to the acoustic pickup output terminal and the output terminal that is serially connected with successively acoustic pickup and the first order, described shaping circuit comprises a field effect transistor, the grid of described field effect transistor is connected with the integrated operational amplifier of the second level with the capacitor's seriesu circuit by corresponding resistance, its source electrode is connected by the input end of a crystal diode with described signal comparative analysis circuit as output terminal, and the two ends of the transistorized power supply biasing resistor of being on the scene effect also are connected to a clamper crystal diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220220868 CN202650240U (en) | 2012-05-17 | 2012-05-17 | Intelligent infrared remote control repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220220868 CN202650240U (en) | 2012-05-17 | 2012-05-17 | Intelligent infrared remote control repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202650240U true CN202650240U (en) | 2013-01-02 |
Family
ID=47419310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220220868 Expired - Fee Related CN202650240U (en) | 2012-05-17 | 2012-05-17 | Intelligent infrared remote control repeater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202650240U (en) |
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2012
- 2012-05-17 CN CN 201220220868 patent/CN202650240U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20190517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |