CN206726446U - Infrared telecontrol switch - Google Patents
Infrared telecontrol switch Download PDFInfo
- Publication number
- CN206726446U CN206726446U CN201720566494.9U CN201720566494U CN206726446U CN 206726446 U CN206726446 U CN 206726446U CN 201720566494 U CN201720566494 U CN 201720566494U CN 206726446 U CN206726446 U CN 206726446U
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- Prior art keywords
- infrared
- circuit
- controller
- electric capacity
- switch according
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Abstract
Infrared telecontrol switch provided by the utility model, including infrared launcher and infrared receiving device, the infrared receiving device includes controller, Resonant tube circuit, reset circuit, infrared receiving circuit, relay circuit, common anode charactron circuit are connected with controller, the infrared launcher includes infrared transmission module, control panel, modulation circuit are connected on infrared transmission module, modulation circuit is connected with drive circuit, drive circuit is connected with infrared transmitting circuit, and infrarede emitting diode is connected with infrared transmitting circuit.The Resonant tube circuit that the utility model is formed using crystal oscillator and electric capacity, is finely adjusted using electric capacity to the frequency of crystal oscillator, crystal oscillator is produced stable frequency, is not easy by external interference.
Description
Technical field
It the utility model is related to a kind of switchgear, more particularly to a kind of infrared telecontrol switch.
Background technology
In the epoch of current economic rapidly prosperity, the living standard of people gradually improves, scientific and technological also increasingly advanced, people
Life it is also more and more intelligent.Electronic product has come into the life of people, and Infrared Ray Remote Control Technology is increasingly becoming electronics production
The leading role of product.
Telecontrol engineering grows up on the basis of automatic control technology and the communication technology.Initial wireless remote controller
Using electromagnetic transmission signal, because electromagnetic wave easily produces interference, also easily it is disturbed, therefore gradually adopt ultrasonic wave
Carry out transmission signal with infrared ray medium.Compared with infrared ray, ultrasonic sensor frequency band is narrow, and the information content being carried by is few, easily
It is disturbed and causes malfunction, it may be desirable to photocontrol mode, ultrasound gradually instead of using the remote control mode of infrared ray
Ripple remote control mode, there is infrared multifunctional remote control device, and as the main flow of current era.
And from various countries by telecontrol engineering after space flight, industry etc. are used widely and developed, in remote control
The heart control unit one chip microcomputer of the discrete component from early stage, integrated circuit progressively till now, intelligent journey
Degree greatly improves.
Infrared Ray Remote Control Technology has obtained fast development in several years at this, is obtained in household electrical appliances and other electronic applications and extensively should
With with the improvement of living standards, pursuit of the people to product is to use be more convenient, be more intelligent, infrared remote control technology is just
It is a prior development direction.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of strong antijamming capability, can prevent the infrared of malfunction
Remote control switch.
The utility model uses following technical scheme：
Infrared telecontrol switch, including infrared launcher and infrared receiving device, the infrared receiving device include control
Device processed, Resonant tube circuit, reset circuit, infrared receiving circuit, relay circuit, common anode charactron electricity are connected with controller
Road, the infrared launcher include infrared transmission module, control panel, modulation circuit, modulation are connected on infrared transmission module
Circuit is connected with drive circuit, and drive circuit is connected with infrared transmitting circuit, and infraluminescence two is connected with infrared transmitting circuit
Pole pipe.
The controller uses AT89S52 chips, and it is internally provided with high gain inverting amplifier.
Resonant tube circuit includes the crystal oscillator Y2 being connected between high gain inverting amplifier input and output end, crystal oscillator
Y2 both ends connect electric capacity respectively（C1, C2）One end, electric capacity（C1, C2）The other end ground connection.
Reset circuit includes SR S, and SR S one end connects first resistor R1 one end, first resistor R1's
Other end connection the 3rd electric capacity C3 one end, second resistance R2 one end, the reseting interface of controller, the 3rd electric capacity C3's is another
End and SR S connect power supply together, and the second resistance R2 other end connects electric capacity in Resonant tube circuit（C1, C2）One
The other end at end.
The common anode charactron circuit includes 8 sections of LED, and every section of LED is connected by a current-limiting resistance with controller.
It is also associated with buzzer circuit on the controller, buzzer circuit includes buzzer LS, one of buzzer LS
Port connects power supply, and another port connects the first triode Q5 emitter stage, the first triode Q5 grounded collector, base stage
Connect controller and 3rd resistor R3 one end, 3rd resistor R3 other end connection power supply.
The relay circuit mainly includes the first diode D1, the second diode D2 and relay R, the first diode D1
For Opposite direction connection on relay R coil, relay R normally opened contacts connect the second diode D2.
The infrared transmission module uses TC9012 chips.
The infrared receiving device uses the reception head of HS0038 models, its first pin connection controller, second pin
Ground connection, the 3rd pin connect power supply.
The beneficial effects of the utility model：（1）The Resonant tube circuit formed using crystal oscillator and electric capacity, using electric capacity to crystalline substance
The frequency shaken is finely adjusted, and crystal oscillator is produced stable frequency, is not easy by external interference；（2）, infrared transmitting circuit will be launched
Impulse modulation on 38KMz carrier wave, the antijamming capability of signal can be strengthened, improve the efficiency of transmission of signal.
Brief description of the drawings
Fig. 1 is infrared receiving device structural representation of the present utility model.
Fig. 2 is the structured flowchart of infrared transmitting circuit of the present utility model.
Fig. 3 is controller chip pin schematic diagram.
Fig. 4 is Resonant tube circuit figure.
Fig. 5 is reset circuit schematic diagram.
Fig. 6 is common anode diode circuit.
Fig. 7 is relay circuit.
Fig. 8 is buzzer circuit.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Infrared telecontrol switch of the present utility model, including infrared launcher and infrared receiving device, infrared emission dress
Put the remote control of actually one hand-held.Specifically, infrared launcher includes infrared transmission module, infrared emission mould
On block connect control panel, modulation circuit, the signal of modulating circuit modulates infrared transmission module, modulation circuit also with drive circuit
It is connected, drive circuit is connected with infrared transmitting circuit, and infrarede emitting diode is connected with infrared transmitting circuit.Infrared receiver
Device includes controller, be connected with controller Resonant tube circuit, reset circuit, infrared receiving circuit, relay circuit, altogether
Positive charactron circuit,
As shown in figure 3, the controller of infrared receiving device uses AT89S52 chips.AT89S52 is a kind of low-power consumption, height
Performance CMOS8 8-digit microcontrollers, there is 8K in-system programmable components Flash memories.It is non-easily using Atmel companies high density
The property lost memory technology manufacture, it is completely compatible with the instruction of industrial 80C51 products and pin.Flash allows program storage on piece
In-system programmable components, it is also adapted to conventional programming device.On a single chip, 8 bit CPUs and in-system programmable components of dexterity are possessed
Flash so that AT89S52 provides high flexible, super efficient solution for numerous embedded Control application systems.AT89S52
With following standard feature：8K bytes Flash, 256 byte RAM, 32 I/O mouth lines, WatchDog Timer, 2 data refer to
Pin, three 16 bit timing devices/counters, one 6 vectorial 2 grades of interrupt structures, full duplex serial port, crystal oscillator and clock electricity in piece
Road.
AT89S52 chip internals are provided with high gain inverting amplifier, and the Resonant tube circuit of infrared launcher includes
Crystal oscillator Y2, crystal oscillator Y2 are connected between high gain inverting amplifier input and output end, as shown in figure 4, the two of crystal oscillator Y2
End connects the first electric capacity C1, the second electric capacity C2 one end, the first electric capacity C1, the second electric capacity C2 other end ground connection respectively.Crystal oscillator
Y2 is quartz oscillator, and it and the first electric capacity C1 and the second electric capacity C2 form stable Resonant tube circuit.First electric capacity
C1 and the second electric capacity C2 is ceramic disc capacitor.Crystal oscillator Y2 frequency selection 11.0592MHz, and 30 ~ 45pF of capacitance selection, to crystalline substance
Vibration frequency is finely adjusted, and the circuit is produced stable 11.0592MHz frequencies, very small by external interference.
And reset circuit is to be controlled the initialization operation of device single-chip microcomputer.Reset operation have upper electricity automatically reset and
Button hand-reset two ways.The utility model uses button hand-reset mode.As shown in figure 5, the reset electricity of the present invention
Road includes SR S, SR S one end connection first resistor R1 one end, first resistor R1 other end connection the 3rd
Electric capacity C3 one end, second resistance R2 one end, the reseting interface of controller, the 3rd electric capacity the C3 other end and SR S
Power supply is connected together, and the second resistance R2 other end connects electric capacity in Resonant tube circuit（C1, C2）One end the other end.It is multiple
During position, directly high level is divided to up to single-chip microcomputer RESET pins by first resistor R1, second resistance R2, realizes and resets behaviour
Make
As shown in fig. 6, common anode charactron circuit of the present utility model includes 8 sections of LED, every section of LED passes through a current limliting electricity
Resistance is connected with controller.Shown by 8 sections of LED
As shown in figure 8, being also associated with buzzer circuit on controller, buzzer circuit includes buzzer LS, buzzer LS
A port connection power supply, another port connects the first triode Q5 emitter stage, and the first triode Q5 colelctor electrode connects
Ground, base stage connection controller and 3rd resistor R3 one end, 3rd resistor R3 other end connection power supply.
As shown in fig. 7, relay circuit includes the first diode D1, the second diode D2 and relay R, the first diode
For D1 Opposite direction connections on relay R coil, relay R normally opened contacts connect the second diode D2.Also include the second triode
Q2, for driving relay R, the second triode Q2 base stage by the 13rd resistance R13 connection controllers, grounded collector,
The positive pole of emitter stage contact relay R coil and the first diode D1, the first diode D1 negative pole meet power supply and relay R
Coil, the relay R termination power of normally opened contact one, the other end are grounded by the 14th resistance R14, the second diode D2.
Infrared receiving circuit uses the reception head of HS0038 models, its first pin connection controller, and second pin is grounded,
3rd pin connects power supply.
HS0038 be for infrared remote control receive small-sized integrated reception head, integrated infrared reception, amplification, solution
Adjust, it is not necessary to any outward element, it can just complete from infrared receiver to output and all working of Transistor-Transistor Logic level signal compatibility,
And volume, as common plastic packaging triode size, it is suitable for various infra-red remote controls and Infrared data transmission, center
Frequency 38.0kHz.Receiver externally only has 3 pins：OUT, GND, VCC and interface microcontroller are very convenient.
1 pin connects power supply（+VCC）, 2 pin GND are ground wires（0V）, 3 pin output of pulse signal, through NOT gate U6 bufferings with P24's
Judge that signal carries out logical AND so that the signal into INT0 is precisely that the opposite of infrared data radiating circuit output end P25 is believed
Number, as long as detecting INT0 signals trailing edge so as to measure the function of control instruction.
HS0038 record principles：The data (modulated signal) that infrared launcher is sent are converted into the control of certain format
Command pulse (modulated signal, baseband signal), completes the reception, amplification, demodulation of infrared signal, and is reduced into transmitting form（High,
Low potential is just opposite）Pulse signal.
The infrared transmission module of infrared launcher uses TC9012 chips.TC9012 is one piece red for Toshiba's series
Special transmitting integrated circuit in outer remote control system, manufactured using CMOS techniques.It can external 32 buttons, there is provided 8 kinds
It is subscriber-coded, also there are 3 kinds of dual keypress functions in addition.TC9012 pin is set and peripheral applications circuit has all carried out height
Degree optimization, to coordinate the requirement of PCB Butut and low cost.
As shown in Fig. 2 after infrared transmission module receives the signal that control panel is sent, pulse code signal is generated, is led to
The carrier oscillator of overmodulated circuit carries out pulse-code modulation, signal frequency is in caused by carrier oscillator on carrier wave, above-mentioned
Pulse code signal be modulated to 38KHz, by the signal of pulse-code modulation by entering infrared hair after drive circuit Hyblid Buffer Amplifier
Transmit-receive radio road, infrarede emitting diode is urged, infrarede emitting diode is sent infrared signal and launch.The instruction that will be sent
Pulse code signal is modulated on 38KHz carrier wave, can increase the antijamming capability of signal, improves effectiveness.
Infrared launcher uses 38KHz carrier wave（Cycle is 26.3 μ s）It is modulated, signal is put through NPN triode
Big driving infraluminescence pipe sends control signal.It is then to use HS0038 integration infrared receivers that infrared data, which receives,
Head, infrared receiver, data acquisition, the function of decoding are internally integrated, as long as arriving receiving terminal INT0 detector signals are low level
Come, so that it may complete the function of carrying out analysis to whole serial signal and draw current control instruction.Then according to the instruction of gained
Go to operate corresponding electricity consumption device work.
Claims (9)
1. infrared telecontrol switch, it is characterised in that：Including infrared launcher and infrared receiving device, the infrared receiver dress
Put including controller, Resonant tube circuit, reset circuit, infrared receiving circuit, relay circuit, common anode are connected with controller
Charactron circuit, the infrared launcher include infrared transmission module, and control panel, modulation electricity are connected on infrared transmission module
Road, modulation circuit are connected with drive circuit, and drive circuit is connected with infrared transmitting circuit, are connected with infrared transmitting circuit infrared
Light emitting diode.
2. infrared telecontrol switch according to claim 1, it is characterised in that：The controller uses AT89S52 chips,
It is internally provided with high gain inverting amplifier.
3. infrared telecontrol switch according to claim 2, it is characterised in that：Resonant tube circuit includes being connected to high increasing
Crystal oscillator between beneficial inverting amplifier input and output end（Y2）, crystal oscillator（Y2）Both ends connect electric capacity respectively（C1, C2）'s
One end, electric capacity（C1, C2）The other end ground connection.
4. infrared telecontrol switch according to claim 3, it is characterised in that：Reset circuit includes SR（S）, it is multiple
Position button（S）One end connects first resistor（R1）One end, first resistor（R1）The other end connect the 3rd electric capacity（C3）One
End, second resistance（R2）One end, the reseting interface of controller, the 3rd electric capacity（C3）The other end and SR（S）Together
Connect power supply, second resistance（R2）The other end connection Resonant tube circuit in electric capacity（C1, C2）One end the other end.
5. infrared telecontrol switch according to claim 1, it is characterised in that：The common anode charactron circuit includes 8 sections
LED, every section of LED are connected by a current-limiting resistance with controller.
6. infrared telecontrol switch according to claim 1, it is characterised in that：Buzzer is also associated with the controller
Circuit, buzzer circuit include buzzer（LS）, buzzer（LS）A port connection power supply, another port connection first
Triode（Q5）Emitter stage, the first triode（Q5）Grounded collector, base stage connection controller and 3rd resistor（R3）'s
One end, 3rd resistor（R3）The other end connection power supply.
7. infrared telecontrol switch according to claim 1, it is characterised in that：The relay circuit mainly includes first
Diode（D1）, the second diode（D2）And relay（R）, the first diode（D1）Opposite direction connection is in relay（R）Coil
On, relay（R）Normally opened contact connects the second diode（D2）.
8. infrared telecontrol switch according to claim 1, it is characterised in that：The infrared transmission module uses TC9012
Chip.
9. infrared telecontrol switch according to claim 1, it is characterised in that：The infrared receiving device uses HS0038
The reception head of model, its first pin connection controller, second pin ground connection, the 3rd pin connect power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720566494.9U CN206726446U (en) | 2017-05-22 | 2017-05-22 | Infrared telecontrol switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720566494.9U CN206726446U (en) | 2017-05-22 | 2017-05-22 | Infrared telecontrol switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206726446U true CN206726446U (en) | 2017-12-08 |
Family
ID=60512437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720566494.9U Expired - Fee Related CN206726446U (en) | 2017-05-22 | 2017-05-22 | Infrared telecontrol switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206726446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130521A (en) * | 2020-09-22 | 2020-12-25 | 郑州嘉晨电器有限公司 | Control device for safety control of engineering machinery |
-
2017
- 2017-05-22 CN CN201720566494.9U patent/CN206726446U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130521A (en) * | 2020-09-22 | 2020-12-25 | 郑州嘉晨电器有限公司 | Control device for safety control of engineering machinery |
| CN112130521B (en) * | 2020-09-22 | 2021-04-20 | 郑州嘉晨电器有限公司 | Control device for safety control of engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20190522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |