CN208314999U - A kind of long-distance infrared remote-controlled circuit of non-visible area domain band feedback - Google Patents
A kind of long-distance infrared remote-controlled circuit of non-visible area domain band feedback Download PDFInfo
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- CN208314999U CN208314999U CN201820933663.2U CN201820933663U CN208314999U CN 208314999 U CN208314999 U CN 208314999U CN 201820933663 U CN201820933663 U CN 201820933663U CN 208314999 U CN208314999 U CN 208314999U
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Abstract
The utility model discloses a kind of long-distance infrared remote-controlled circuits of non-visible area domain band feedback.The utility model includes infrared transmitting circuit, infrared receiving circuit, current detection circuit, sound intensity detection circuit, communication interface circuit, control relay circuit and microcontroller；Infrared transmitting circuit, control relay circuit are connected with the GPIO module output end of microcontroller, and infrared receiving circuit is connected with No. 0 input terminal of the programmable counter array module of microcontroller；Current detection circuit is connected with the input terminal of microcontroller A/D converter module；Sound intensity detection circuit is connected with the input terminal of microcontroller A/D converter module；Communication interface circuit is even connected with microcontroller COM.The utility model is all made of general-purpose device using component used in universal appliance, and to linearity and not high, therefore cost is relatively low, and is optimized as follows for special application demand: current detecting, the sound intensity detects, the low-power consumption of relay holding.
Description
Technical field
The utility model belongs to control field, is related to a kind of long-distance infrared remote-controlled circuit of non-visible area domain band feedback.
Background technique
Since infrared remote control equipment does not have feedback signal generally, and there is code multiplexing in many equipment, such as
Switch key is same coding, this keypress function needs itself state according to receiving device to parse, rather than remote control is set
It is standby to determine.Therefore, general infrared remote control is the visible feedback based on people, is operated according to device physical status, and according to
Practical remote control result is tactful to adjust remote control.
Control to household electrical appliance such as television sets, infrared remote control are most convenient and fast means, in actual use, infrared remote control
Generally make using one-to-one independent control, one remote control equipment of every equipment.And it is used for being managed collectively television set on a large scale
Place used in infrared remote control equipment, the management of one remote control equipment of every equipment needs to set up personal management, and timing is beaten
It opens up standby and is set to special channel, management is inconvenient, and is easy error.There is also the non-viewing times to watch other programs
The problem of, the contradiction between administrative staff and other uses.And as display equipment maximum in place and a dynamic
Display equipment, can also special or Overlapping display prompt information, the switch control at this moment setting television set needs be determined by application
Fixed, administrative staff can not make the display of these randomnesss and timely respond.
When expected long-time uses television set frequently, best bet is disconnection power supply, rather than standby, in this way may be used
Reduce unnecessary energy consumption.Standby and booting switching, the such use used in the case where needing to frequently switch on screen is wanted
It asks, is only impossible by remote controller operation.
Summary of the invention
The utility model is unable to satisfy the case where requiring, mentions for the extensive unified needs using management, the prior art
The long-distance infrared remote-controlled circuit for having supplied a kind of non-visible area domain band to feed back.Meet the place for being uniformly controlled television set on a large scale.Example
Such as the control of television set in the multimedia education of supervision place.
It is as follows that the utility model solves technical solution used by its technical problem:
A kind of non-visible area domain band feedback long-distance infrared remote-controlled circuit, including infrared transmitting circuit, infrared receiving circuit,
Current detection circuit, sound intensity detection circuit, communication interface circuit, control relay circuit and microcontroller；
Infrared transmitting circuit, control relay circuit are connected with the GPIO module output end of microcontroller, red
Outer reception circuit is connected with No. 0 input terminal of the programmable counter array module of microcontroller；Current detection circuit
It is connected with the input terminal of microcontroller A/D converter module；Sound intensity detection circuit and microcontroller A/D converter
The input terminal of module is connected；Communication interface circuit is even connected with microcontroller COM.
Infrared transmitting circuit includes resistance R5, R8, R10, R17, triode Q3, infrared-emitting diode D3, D6；Resistance R5
With one end end equal external power supply VCC of R17, the other end of resistance R5 and the R17 anode with infrared-emitting diode D3, D6 respectively
It is connected, the cathode of infrared-emitting diode D3, D6 are connected with the collector of triode Q3；One end of resistance R8 and microcontroller
Device output end is connected, and the other end of resistance R8 is connected with the base stage of one end of resistance R10, triode Q3 simultaneously；Triode
The emitter of Q3, the other end of resistance R10 are grounded；Infrared transmitting circuit uses two-tube sending mode, and the same triode drives
Two-tube transmission is moved to improve the coverage area of infrared emission.
Infrared receiving circuit includes chip D2, patch capacitor C2, C10, the 3rd pin of resistance R4, chip D2 simultaneously with patch
One end of chip capacitor C2, C10 are connected, while the end external power supply VCC；The of the other end of patch capacitor C2, C10 and chip D2
2 pins are grounded；The 1st pin of chip D2 is connected with one end of resistance R4, while being connected with microcontroller output；Resistance
The end other end external power supply VCC of R4；Infrared receiving circuit receives extraneous infrared signal using chip D2, and will receive
The pulse capture end that infrared signal is sent into microcontroller carries out pulse width measuring and metering, and is decoded；
The infrared receiver integrated chip of the model IR of the chip D2.
Current detection circuit includes resistance R18, R19, R20, R21, R22, R23, patch capacitor C9, C11, operational amplifier
U3A, U3B, current transformer T1, switching diode D7；
The 1st pin of operational amplifier U3A is connected with one end of resistance R18, resistance R20 simultaneously, and resistance R20's is another
End is connected with one end of one end of resistance R23, patch capacitor C11 simultaneously, the other end of resistance R23, patch capacitor C11 it is another
One end ground connection；The 2nd pin of operational amplifier U3A is connected with one end of the other end of resistance R18, resistance R19 simultaneously, resistance
The other end of R19 is connected with one end of one end of resistance R22, one end of resistance R21, current transformer T1 simultaneously；Operation is put
The 3rd pin of big device U3A the 6th draws with the other end of resistance R22, the cathode of switching diode D7, operational amplifier U3B simultaneously
Foot is connected；The 4th pin of operational amplifier U3A is connected with the other end of the other end of resistance R21, current transformer T1 simultaneously
It connects, and is grounded；The 8th pin of operational amplifier U3A is connected with one end of patch capacitor C9, while the end external power supply VCC；Patch
The other end of chip capacitor C9 is grounded；Operational amplifier U3B the 4th, 5 pins are grounded；The 7th pin of operational amplifier U3B with
The anode of switching diode D7 is connected, the 8th end pin external power supply VCC of operational amplifier U3B；
The model LM358 of described operational amplifier U3A, U3B；The model 1N4148 of switching diode；Electric current is mutual
The model ZTA503C of sensor T1.
Sound intensity detection circuit includes resistance R9, R11, R12, R13, R14, R15, R16, patch capacitor C4, C5, C6, C8, electricity
Solve capacitor C1, C7, operational amplifier U1, Electret condenser microphone sound pick-up MK1, potentiometer VR1, switching diode D4, D5；
The 1st pin of operational amplifier U1 is connected with the anode of one end of resistance R12, electrolytic capacitor C7 simultaneously, is electrolysed
The cathode of capacitor C7 is connected with one end of potentiometer VR1, the other end of potentiometer VR1 simultaneously with switching diode D5 just
Pole, one end of resistance R16, one end of patch capacitor C8, one end of resistance R15, one end of Electret condenser microphone sound pick-up MK1 are connected
It connects, is grounded simultaneously；The sliding end of potentiometer VR1 is connected with the anode of the cathode of switching diode D5, switching diode D4 simultaneously
It connects；The cathode of switching diode D4 is connected with the other end of the other end of resistance R16, patch capacitor C8 simultaneously；Operation amplifier
The 2nd pin of device U1 is connected with one end of the other end of resistance R12, resistance R14 simultaneously, the other end and patch of resistance R14
One end of capacitor C6 is connected, the other end of patch capacitor C6 while one end with resistance R13, Electret condenser microphone sound pick-up MK1
The other end be connected；The other end of resistance R13 is connected with one end of one end of patch capacitor C5, resistance R9 simultaneously, patch
The other end of capacitor C5 is grounded；The other end of resistance R9 is electric with one end of resistance R11, one end of patch capacitor C4, electrolysis simultaneously
8th pin of the anode, operational amplifier U1 that hold C1 is connected, and the other end of patch capacitor C4, the cathode of electrolytic capacitor C1 connect
Ground；The 3rd pin of operational amplifier U1 is connected with one end of the other end of resistance R11, resistance R15 simultaneously, operational amplifier
The 4th pin of U1 is grounded；
The model NE5532 of the operational amplifier U1；The model MICROPHONE of Electret condenser microphone sound pick-up.
Communication interface circuit includes RS485 interface chip U2, resistance R6, R7, patch capacitor C3；RS485 interface chip U2
The 1st, 2,3,4 pins are connected with microcontroller；The 5th pin of RS485 interface chip U2 is grounded；RS485 interface chip U2
The 6th, 7 pins be connected respectively with one end of resistance R7, R6, the other end of resistance R7, R6 are connected with microcontroller；
The 8th pin of RS485 interface chip U2 is connected with one end of patch capacitor C3, while the end external power supply VCC；Patch capacitor C3
The other end ground connection.
Control relay circuit includes resistance R1, R2, R3, triode Q1, Q2, relay K1, diode D1；Resistance R2,
One end of R3 is connected with microcontroller, and the other end of resistance R2, R3 are connected with the base stage of triode Q1, Q2 respectively, three poles
The collector of pipe Q1 is connected with one end of one end of resistance R1, the anode of diode D1, relay K1 simultaneously；Triode Q1's
Emitter is connected and is grounded with the emitter of triode Q2；The collector of triode Q2 is connected with the other end of resistance R1；
The cathode of diode D1 is connected with the other end of relay K1；
The model JZC-33FC of the relay K1.
The utility model has the beneficial effect that:
The utility model is used for the remote control device that television set is managed collectively under non-visual environment.With conventional remote controls scheme phase
Than the utility model design principle increases switch control mode, selects control mode according to usage frequency, while increasing detection ring
Section detects control effect, so that control result is reliable after telecommand sending.It is all made of using component used in universal appliance
General-purpose device is compared using range, rather than exact value compares, thus to linearity with it is not high, therefore cost is relatively low, and
Done following optimization for the above special application demand: current detecting, sound intensity detection, the low-power consumption of relay are kept.
Detailed description of the invention
Fig. 1 is the circuit connection diagram of the utility model；
Fig. 2 is current detection circuit；
Fig. 3 is sound intensity detection circuit；
Fig. 4 is infrared receiving circuit；
Fig. 5 is infrared transmitting circuit；
Fig. 6 is control relay circuit；
Fig. 7 is RS485 communication interface circuit.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the utility model passes through infrared transmitting circuit, infrared receiving circuit, current detection circuit, sound intensity inspection
Six slowdown monitoring circuit, communication interface circuit, control relay circuit and microcontroller modules, for the remote control of non-visible space
It is required that obtaining remote control using the current detection circuit of feedback as a result, to the reliable remote control of realization and the feedback of remote control result.
Application system sends telecommand by managing main frame, is sent to controller by network, controller is receiving
After telecommand, in conjunction with the current state of television set, telecommand is transmitted to by television set by infrared transmitting circuit.
Infrared transmitting circuit, control relay circuit are connected with the GPIO module output end of microcontroller, red
Outer reception circuit is connected with No. 0 input terminal of the programmable counter array module of microcontroller；Current detection circuit
It is connected with the input terminal of microcontroller A/D converter module；Sound intensity detection circuit and microcontroller A/D converter
The input terminal of module is connected；Communication interface circuit is even connected with microcontroller COM；
As shown in figure 5, infrared transmitting circuit includes resistance R5, R8, R10, R17, triode Q3, infrared-emitting diode
D3,D6；One end end equal external power supply VCC of resistance R5 and R17, the other end of resistance R5 and R17 respectively with two pole of infrared emission
The anode of pipe D3, D6 are connected, and the cathode of infrared-emitting diode D3, D6 are connected with the collector of triode Q3；Resistance R8
One end be connected with microcontroller output, the other end of the resistance R8 base stage with one end of resistance R10, triode Q3 simultaneously
It is connected；The emitter of triode Q3, the other end of resistance R10 are grounded；Infrared transmitting circuit uses two-tube sending mode, together
One triode drives two-tube transmission to improve the coverage area of infrared emission.
As shown in figure 4, infrared receiving circuit includes chip D2, patch capacitor C2, C10, resistance R4, the 3rd of chip D2 is drawn
Foot is connected with one end of patch capacitor C2, C10 simultaneously, while the end external power supply VCC；The other end of patch capacitor C2, C10 with
The 2nd pin of chip D2 is grounded；The 1st pin of chip D2 is connected with one end of resistance R4, while and microcontroller output
It is connected；The end other end external power supply VCC of resistance R4.Infrared receiving circuit receives extraneous infrared signal using chip D2,
And the pulse capture end that the infrared signal received is sent into microcontroller is subjected to pulse width measuring and metering, and solved
Code.
The infrared receiver integrated chip of the model IR of the chip D2；
As shown in Fig. 2, current detection circuit includes resistance R18, R19, R20, R21, R22, R23, patch capacitor C9, C11,
Operational amplifier U3A, U3B, current transformer T1, switching diode D7；
The 1st pin of operational amplifier U3A is connected with one end of resistance R18, resistance R20 simultaneously, and resistance R20's is another
End is connected with one end of one end of resistance R23, patch capacitor C11 simultaneously, the other end of resistance R23, patch capacitor C11 it is another
One end ground connection；The 2nd pin of operational amplifier U3A is connected with one end of the other end of resistance R18, resistance R19 simultaneously, resistance
The other end of R19 is connected with one end of one end of resistance R22, one end of resistance R21, current transformer T1 simultaneously；Operation is put
The 3rd pin of big device U3A the 6th draws with the other end of resistance R22, the cathode of switching diode D7, operational amplifier U3B simultaneously
Foot is connected；The 4th pin of operational amplifier U3A is connected with the other end of the other end of resistance R21, current transformer T1 simultaneously
It connects, and is grounded；The 8th pin of operational amplifier U3A is connected with one end of patch capacitor C9, while the end external power supply VCC；Patch
The other end of chip capacitor C9 is grounded；Operational amplifier U3B the 4th, 5 pins are grounded；The 7th pin of operational amplifier U3B with
The anode of switching diode D7 is connected, the 8th end pin external power supply VCC of operational amplifier U3B.
The model LM358 of described operational amplifier U3A, U3B；The model 1N4148 of switching diode；Electric current is mutual
The model ZTA503C of sensor T1.
As shown in figure 3, sound intensity detection circuit includes resistance R9, R11, R12, R13, R14, R15, R16, patch capacitor C4,
C5, C6, C8, electrolytic capacitor C1, C7, operational amplifier U1, Electret condenser microphone sound pick-up MK1, potentiometer VR1, switching diode
D4,D5；
The 1st pin of operational amplifier U1 is connected with the anode of one end of resistance R12, electrolytic capacitor C7 simultaneously, is electrolysed
The cathode of capacitor C7 is connected with one end of potentiometer VR1, the other end of potentiometer VR1 simultaneously with switching diode D5 just
Pole, one end of resistance R16, one end of patch capacitor C8, one end of resistance R15, one end of Electret condenser microphone sound pick-up MK1 are connected
It connects, is grounded simultaneously；The sliding end of potentiometer VR1 is connected with the anode of the cathode of switching diode D5, switching diode D4 simultaneously
It connects；The cathode of switching diode D4 is connected with the other end of the other end of resistance R16, patch capacitor C8 simultaneously；Operation amplifier
The 2nd pin of device U1 is connected with one end of the other end of resistance R12, resistance R14 simultaneously, the other end and patch of resistance R14
One end of capacitor C6 is connected, the other end of patch capacitor C6 while one end with resistance R13, Electret condenser microphone sound pick-up MK1
The other end be connected；The other end of resistance R13 is connected with one end of one end of patch capacitor C5, resistance R9 simultaneously, patch
The other end of capacitor C5 is grounded；The other end of resistance R9 is electric with one end of resistance R11, one end of patch capacitor C4, electrolysis simultaneously
8th pin of the anode, operational amplifier U1 that hold C1 is connected, and the other end of patch capacitor C4, the cathode of electrolytic capacitor C1 connect
Ground；The 3rd pin of operational amplifier U1 is connected with one end of the other end of resistance R11, resistance R15 simultaneously, operational amplifier
The 4th pin of U1 is grounded.
The model NE5532 of the operational amplifier U1；The model MICROPHONE of Electret condenser microphone sound pick-up.
As shown in fig. 7, communication interface circuit includes RS485 interface chip U2, resistance R6, R7, patch capacitor C3；RS485
Interface chip U2 the 1st, 2,3,4 pins are connected with microcontroller；The 5th pin of RS485 interface chip U2 is grounded；RS485
Interface chip U2 the 6th, 7 pins be connected respectively with one end of resistance R7, R6, the other end and microcontroller of resistance R7, R6
It is connected；The 8th pin of RS485 interface chip U2 is connected with one end of patch capacitor C3, while the end external power supply VCC；Patch
The other end of chip capacitor C3 is grounded.
As shown in fig. 6, control relay circuit includes resistance R1, R2, R3, triode Q1, Q2, relay K1, diode
D1；One end of resistance R2, R3 are connected with microcontroller, the other end of resistance R2, R3 the base stage phase with triode Q1, Q2 respectively
The collector of connection, triode Q1 is connected with one end of one end of resistance R1, the anode of diode D1, relay K1 simultaneously；
The emitter of triode Q1 is connected and is grounded with the emitter of triode Q2；The collector of triode Q2 is another with resistance R1's
End is connected；The cathode of diode D1 is connected with the other end of relay K1；
The model JZC-33FC of the relay K1；
Utility model works principle is as follows:
Firstly, the utility model receives teleinstruction by communication interface circuit, and after microcontroller decodes, microcontroller
Infrared remote instruction is sent by infrared transmitting circuit or the switch of controlled device is controlled by control relay circuit；Microcontroller
Device is used to detect the operating current and intensity of sound of controlled device by current detection circuit and sound intensity detection circuit, and will test
To operating current and intensity of sound compared with preset value, so that feedback remote control is performed when instructing, and by feedback result
Feed back to remote control end；
Embodiment:
Application system sends telecommand by managing main frame, is sent to controller by communication interface circuit (network)
(the utility model), controller, will by infrared transmitting circuit in conjunction with the current state of television set after receiving telecommand
Telecommand is transmitted to television set；Microcontroller detects the work of television set by current detection circuit and sound intensity detection circuit simultaneously
Make electric current and intensity of sound, and the operating current and intensity of sound that will test be compared with preset value, and feedback result is anti-
It feeds application system.
Infrared transmitting circuit, control relay circuit are connected with the GPIO module output end of microcontroller, red
Outer reception circuit is connected with No. 0 input terminal of the programmable counter array module of microcontroller；Current detection circuit
It is connected with the input terminal of microcontroller A/D converter module；Sound intensity detection circuit and microcontroller A/D converter
The input terminal of module is connected；Communication interface circuit is even connected with microcontroller COM；
The relay control uses dual-port mode, and CN1 is to be attracted control, is made with higher voltage driving relay
It is reliably attracted, and CN2 is to maintain relay, the characteristic of driving voltage is far below using relay maintenance voltage, in driving circuit
Current-limiting resistance is added, relay is enabled reliably to maintain attracting state, after the completion of CN2 driving, discharges CN1, keeps the drive of CN2
It is dynamic, maintain the working condition of relay with lower electric current, effect be reduce the temperature rise of equipment power dissipation and module, while keep after
The reliable actuation of electric appliance.
Claims (7)
1. a kind of long-distance infrared remote-controlled circuit of non-visible area domain band feedback, it is characterised in that including infrared transmitting circuit, infrared
Receive circuit, current detection circuit, sound intensity detection circuit, communication interface circuit, control relay circuit and microcontroller；
Infrared transmitting circuit, control relay circuit are connected with the GPIO module output end of microcontroller, infrared to connect
Circuit is received to be connected with No. 0 input terminal of the programmable counter array module of microcontroller；Current detection circuit with it is micro-
The input terminal of A/D converter module is connected inside controller；Sound intensity detection circuit and microcontroller A/D converter module
Input terminal be connected；Communication interface circuit is even connected with microcontroller COM.
2. a kind of long-distance infrared remote-controlled circuit of band feedback in non-visible area domain according to claim 1, it is characterised in that:
Infrared transmitting circuit includes resistance R5, R8, R10, R17, triode Q3, infrared-emitting diode D3, D6；Resistance R5 and
One end of R17 end equal external power supply VCC, the other end of resistance R5 and the R17 positive phase with infrared-emitting diode D3, D6 respectively
Connection, the cathode of infrared-emitting diode D3, D6 are connected with the collector of triode Q3；One end of resistance R8 and microcontroller
Output end is connected, and the other end of resistance R8 is connected with the base stage of one end of resistance R10, triode Q3 simultaneously；Triode Q3
Emitter, resistance R10 the other end be grounded；Infrared transmitting circuit uses two-tube sending mode, the same triode driving
It is two-tube to send to improve the coverage area of infrared emission.
3. a kind of long-distance infrared remote-controlled circuit of band feedback in non-visible area domain according to claim 2, it is characterised in that:
Infrared receiving circuit includes chip D2, patch capacitor C2, C10, and the 3rd pin of resistance R4, chip D2 are electric with patch simultaneously
The one end for holding C2, C10 is connected, while the end external power supply VCC；The other end of patch capacitor C2, C10 draw with the 2nd of chip D2
Foot is grounded；The 1st pin of chip D2 is connected with one end of resistance R4, while being connected with microcontroller output；Resistance R4
The end other end external power supply VCC；Infrared receiving circuit receives extraneous infrared signal using chip D2, and red by what is received
The pulse capture end that external signal is sent into microcontroller carries out pulse width measuring and metering, and is decoded；
The infrared receiver integrated chip of the model IR of the chip D2.
4. a kind of long-distance infrared remote-controlled circuit of band feedback in non-visible area domain according to claim 3, it is characterised in that:
Current detection circuit includes resistance R18, R19, R20, R21, R22, R23, patch capacitor C9, C11, operational amplifier U3A,
U3B, current transformer T1, switching diode D7；
The 1st pin of operational amplifier U3A is connected with one end of resistance R18, resistance R20 simultaneously, and the other end of resistance R20 is same
When be connected with one end of one end of resistance R23, patch capacitor C11, the other end of the other end of resistance R23, patch capacitor C11
Ground connection；The 2nd pin of operational amplifier U3A is connected with one end of the other end of resistance R18, resistance R19 simultaneously, resistance R19
The other end simultaneously be connected with one end of one end of resistance R22, one end of resistance R21, current transformer T1；Operational amplifier
The 3rd pin of U3A the 6th pin phase with the other end of resistance R22, the cathode of switching diode D7, operational amplifier U3B simultaneously
Connection；The 4th pin of operational amplifier U3A is connected with the other end of the other end of resistance R21, current transformer T1 simultaneously,
And it is grounded；The 8th pin of operational amplifier U3A is connected with one end of patch capacitor C9, while the end external power supply VCC；Patch
The other end of capacitor C9 is grounded；Operational amplifier U3B the 4th, 5 pins are grounded；The 7th pin of operational amplifier U3B with open
The anode for closing diode D7 is connected, the 8th end pin external power supply VCC of operational amplifier U3B；
The model LM358 of described operational amplifier U3A, U3B；The model 1N4148 of switching diode；Current transformer
The model ZTA503C of T1.
5. a kind of long-distance infrared remote-controlled circuit of band feedback in non-visible area domain according to claim 4, it is characterised in that:
Sound intensity detection circuit includes resistance R9, R11, R12, R13, R14, R15, R16, patch capacitor C4, C5, C6, C8, electrolysis electricity
Hold C1, C7, operational amplifier U1, Electret condenser microphone sound pick-up MK1, potentiometer VR1, switching diode D4, D5；
The 1st pin of operational amplifier U1 is connected with the anode of one end of resistance R12, electrolytic capacitor C7 simultaneously, electrolytic capacitor
The cathode of C7 is connected with one end of potentiometer VR1, the other end of potentiometer VR1 while anode, electricity with switching diode D5
Resistance one end of R16, one end of patch capacitor C8, one end of resistance R15, Electret condenser microphone sound pick-up MK1 one end be connected, together
When be grounded；The sliding end of potentiometer VR1 is connected with the anode of the cathode of switching diode D5, switching diode D4 simultaneously；It opens
The cathode for closing diode D4 is connected with the other end of the other end of resistance R16, patch capacitor C8 simultaneously；Operational amplifier U1's
2nd pin is connected with one end of the other end of resistance R12, resistance R14 simultaneously, the other end and patch capacitor C6 of resistance R14
One end be connected, the other end of patch capacitor C6 simultaneously with one end of resistance R13, Electret condenser microphone sound pick-up MK1 it is another
End is connected；The other end of resistance R13 is connected with one end of one end of patch capacitor C5, resistance R9 simultaneously, patch capacitor C5
The other end ground connection；The other end of resistance R9 simultaneously with one end of resistance R11, one end of patch capacitor C4, electrolytic capacitor C1
Positive, operational amplifier U1 the 8th pin is connected, and the other end of patch capacitor C4, the cathode of electrolytic capacitor C1 are grounded；Operation
The 3rd pin of amplifier U1 is connected with one end of the other end of resistance R11, resistance R15 simultaneously, and the 4th of operational amplifier U1 the
Pin ground connection；
The model NE5532 of the operational amplifier U1；The model MICROPHONE of Electret condenser microphone sound pick-up.
6. a kind of long-distance infrared remote-controlled circuit of band feedback in non-visible area domain according to claim 5, it is characterised in that:
Communication interface circuit includes RS485 interface chip U2, resistance R6, R7, patch capacitor C3；The of RS485 interface chip U2
1,2,3,4 pins are connected with microcontroller；The 5th pin of RS485 interface chip U2 is grounded；The of RS485 interface chip U2
6,7 pins are connected with one end of resistance R7, R6 respectively, and the other end of resistance R7, R6 are connected with microcontroller；RS485 connects
The 8th pin of mouth chip U2 is connected with one end of patch capacitor C3, while the end external power supply VCC；Patch capacitor C3's is another
End ground connection.
7. a kind of long-distance infrared remote-controlled circuit of band feedback in non-visible area domain according to claim 6, it is characterised in that:
Control relay circuit includes resistance R1, R2, R3, triode Q1, Q2, relay K1, diode D1；Resistance R2, R3's
One end is connected with microcontroller, and the other end of resistance R2, R3 are connected with the base stage of triode Q1, Q2 respectively, triode Q1
Collector simultaneously be connected with one end of one end of resistance R1, the anode of diode D1, relay K1；The transmitting of triode Q1
Pole is connected and is grounded with the emitter of triode Q2；The collector of triode Q2 is connected with the other end of resistance R1；Two poles
The cathode of pipe D1 is connected with the other end of relay K1；
The model JZC-33FC of the relay K1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820933663.2U CN208314999U (en) | 2018-06-15 | 2018-06-15 | A kind of long-distance infrared remote-controlled circuit of non-visible area domain band feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820933663.2U CN208314999U (en) | 2018-06-15 | 2018-06-15 | A kind of long-distance infrared remote-controlled circuit of non-visible area domain band feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208314999U true CN208314999U (en) | 2019-01-01 |
Family
ID=64708405
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820933663.2U Active CN208314999U (en) | 2018-06-15 | 2018-06-15 | A kind of long-distance infrared remote-controlled circuit of non-visible area domain band feedback |
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| Country | Link |
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| CN (1) | CN208314999U (en) |
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2018
- 2018-06-15 CN CN201820933663.2U patent/CN208314999U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Remote Infrared Remote Control Circuit with Feedback in Non visible Areas Effective date of registration: 20230804 Granted publication date: 20190101 Pledgee: Bank of Jiangsu Limited by Share Ltd. Hangzhou branch Pledgor: NEWINGS WEICHUANG TECHNOLOGY Co.,Ltd. Registration number: Y2023980050940 |