CN206523999U - A kind of laser beam guides infrared temperature detecting wireless data transmitter-receiver set - Google Patents

Abstract

The utility model is related to Power Electronic Technique, specifically a kind of laser beam guiding infrared temperature detecting wireless data transmitter-receiver set.Including wireless data transmitter, wireless data receiver, radiating laser beams guide device, wherein, wireless data transmitter is by collector lens, photoelectric conversion chip, logarithmic amplifying circuit, modulus converter A/D, data encoder, transmitting chip is constituted, photoelectric conversion chip configures infrared measurement of temperature collector lens, omiting bevel with infrared measurement of temperature collector lens optical axis sets laser diode to launch beam lens, driving chip connects laser diode, launch light beam guiding calibration heated partses infrared measurement of temperature point, signal is received to put and local oscillator mixing through height, extract and put in intermediate frequency access AGC, data demodulator, digital PID regulation controller is to Digital Signal Processing DSP control panel thermometric interfaces, control heating-up temperature, in put band AGC make closely data transfer do not produce signal saturation blocking, data transfer is accurate.The utility model is applied to heating apparatus temperature and measures and control.

Description

A kind of laser beam guides infrared temperature detecting wireless data transmitter-receiver set

Technical field

The utility model is related to Power Electronic Technique, specifically a kind of laser beam guiding infrared temperature detecting wireless data transmit-receive dress Put.

Background technology

Prior art, Technology for Heating Processing production, workpiece temperature control ensure Technology for Heating Processing quality it is most important, generally by Infrared temperature probe non-contact measurement workpiece heat temperature, infrared temperature probe output signal is connected to master through cable or optical fiber Plate is handled and controlled, due to the high inconvenience laying cable of furnace temperature.

The content of the invention

The purpose of this utility model be to provide transmitting laser beam guiding calibration heated partses infrared measurement of temperature point, measurement temperature and A kind of laser beam guiding infrared temperature detecting wireless data transmitter-receiver set of control.

Technical solution of the present utility model：Including infrared temperature detecting wireless data source, infrared temperature detecting wireless data Receiver, radiating laser beams guide device, wherein, infrared temperature detecting wireless data source is by infrared measurement of temperature collector lens, photoelectricity Conversion chip, logarithmic amplifying circuit, modulus converter A/D, data encoder, model ENS1122 transmitting chips composition, infrared survey Warm wireless data transmitter photoelectric conversion chip configures infrared measurement of temperature collector lens, with infrared measurement of temperature collector lens optical axis slightly into oblique Angle sets laser diode to launch beam lens, driving chip circuit connection laser diode, transmitting visible laser beam guiding Heated partses infrared measurement of temperature point is calibrated, transmitting chip includes radio-frequency oscillator, data modulator FSKSW, phase discriminator PFD, electric charge The stepped or continuous adjustable RF power amplification of pump CP, built-in loop filter, frequency divider, voltage controlled oscillator VCO, power output, hair The core shooting piece radio-frequency oscillator ROI external quartz resonator XTAL in end₁One end, quartz resonator XTAL₁Another termination capacitor CX₁、 CX₂One end, electric capacity CX₁The other end is grounded, electric capacity CX₁The other end connects transmitting chip FSKSW ends, photoelectric conversion chip output signal Transmitting chip FSKDTA ends are connected to through logarithmic amplifying circuit, modulus converter A/D, data encoder, with voltage controlled oscillator VCO A part of divided device of output signal is respectively connected to phase discriminator PFD, and phase discriminator PFD output error signals are through charge pump CP, interior Put loop filter control voltage controlled oscillator VCO frequency/phase, voltage controlled oscillator VCO output signal connection RF power amplification, radio frequency Power amplifier output end OUT is through electric capacity CM₁、CM₂、CM₃, inductance LM₁Clutter matching day outside bandpass filtering network filtering harmonic wave and base band Line TA launches, and reaches suitable transmission power by changing transmitting chip PSEL terminal voltages or resistance value adjusting transmission power, matches somebody with somebody Close the operating distance that receiver sensitivity transmits infrared measurement of temperature data.

Laser beam guide device is by Laser emission beam lens, laser diode VD₁, model LSP103 driving chips, electricity Feel L₁, voltage-regulator diode VD₂, resistance, electric capacity composition, driving chip AEU connection resistance R₁One end, chip FCB terminating resistors R₁Separately One end and electric capacity C₂One end, electric capacity C₂The other end is grounded, resistance R₁Electric capacity C₂Timing produces driving laser diode pulse signal, Chip LTC termination inductance L₁One end and voltage-regulator diode VD₂Negative electrode, voltage-regulator diode VD₂Plus earth, inductance L₁The other end connects Meet laser diode VD₁Anode and electric capacity C₃Positive terminal, laser diode VD₁Negative electrode, electric capacity C₃Negative pole, resistance R₂One end connects Enter chip FB ends, chip GE ends are through resistance R₃Connect chip VIN ends, and with electric capacity C₄、C₅, resistance R₄One end is interconnected, resistance R₄Separately One termination power VCC, chip GND are grounded, and laser diode launches beam lens with infrared measurement of temperature collector lens optical axis slightly into oblique Angle, transmitting visible laser beam guiding calibration heated partses infrared measurement of temperature point.

Infrared temperature detecting wireless data sink receives chip, digital PID regulation controller by model ENB3122 and constituted, and connects Receive chip include low noise sound pitch put, phase-locked loop pll, local oscillator, frequency mixer, band automatic growth control AGC intermediate frequency amplifiers, Data demodulator DTAO, receives the chip ROI external quartz resonator XTAL in end₂One end, quartz resonator XTAL₂Another termination electricity Hold CX₃One end, electric capacity CX₃The other end is grounded, and receives chip input LNAI through electric capacity CM₄、CM₅、CM₆, inductance LM₂LPF Network filters out higher hamonic wave matching antenna TB, and reception radiofrequency signal is put through height and is mixed with local oscillator signal, is extracted intermediate frequency and is connect Enter put in band automatic growth control AGC, data demodulator, digital PID regulation controller to Digital Signal Processing DSP control panels are surveyed Warm interface, real-time operation control heated partses temperature, in put band AGC automatic growth controls, make infrared measurement of temperature closely data pass Defeated to produce the blocking of intermediate-freuqncy signal saturation, the transmission of stable infrared temperature measurement data is accurate.

The utility model produces beneficial good effect：Launch laser beam guiding calibration heated partses temperature measuring point, precisely survey Amount temperature, infrared electro conversion logafier logarithmizer gain characteristic, measures the temperature of different distance workpiece, defeated Go out level and keep identical constant, improve temperature measurement accuracy.The control of transmitting radio frequency power output is different with AGC control guarantees are put in reception The stability of wireless data transmission under environmental condition.Wireless transmission, the frequency stabilization of reception crystal oscillator, data frequency keying FSK modulation are anti-dry Disturb ability strong, adapt to steady operation under Giant Power Electromagnetic Induction Furnace radiation strong-electromagnetic field high temperature, moist adverse circumstances, meet workpiece temperature Control technology requirement.Infrared temperature detecting wireless data transmit-receive exempts to connect cable, the failure not triggered by body of heater high temperature, installs, uses spirit Dexterous victory.

Brief description of the drawings

Fig. 1 the utility model laser beam guides infrared measurement of temperature light path schematic diagram

Fig. 2 launches laser beam driving chip circuit

Fig. 3 infrared temperature detecting wireless data sources

Fig. 4 infrared temperature detecting wireless data sinks

Embodiment

Reference picture 1,2,3,4, the utility model embodiment and embodiment：Including the transmitting of infrared temperature detecting wireless data Device 13, infrared temperature detecting wireless data sink 14, radiating laser beams guide device 4, wherein, infrared temperature detecting wireless data source 13 by infrared measurement of temperature collector lens 6, photoelectric conversion chip 7, logarithmic amplifying circuit 10, modulus converter A/D 11, data encoding Device 12, model ENS1122 transmitting chips IC₁Composition, the photoelectric conversion chip 7 of infrared temperature detecting wireless data source 13 configures infrared Thermometric collector lens 6, omits bevel with the optical axis 8 of infrared measurement of temperature collector lens 6 and sets laser diode 2 to launch beam lens 1, drive Dynamic chip circuit connection laser diode 2, the transmitting guiding calibration infrared measurement of temperature point of heated partses 5 of visible laser beam 3, launches core Piece includes radio-frequency oscillator, data modulator FSKSW, phase discriminator PFD, charge pump CP, built-in loop filter, frequency divider, pressure The stepped or continuous adjustable RF power amplification of controlled oscillator VCO, power output, the external quartz in transmitting chip radio-frequency oscillator ROI ends Resonator XTAL₁One end, quartz resonator XTAL₁Another termination capacitor CX₁、CX₂One end, electric capacity CX₁The other end is grounded, electric capacity CX₁The other end connects transmitting chip FSKSW ends, and the output signal of photoelectric conversion chip 7 is through logarithmic amplifying circuit 10, analog-digital converter A/ D 11, data encoder 12 are connected to transmitting chip FSKDTA ends, a part of divided with voltage controlled oscillator VCO output signal Device is respectively connected to phase discriminator PFD, and phase discriminator PFD output error signals control voltage-controlled shake through charge pump CP, built-in loop filter Device VCO frequency/phase is swung, voltage controlled oscillator VCO output signal connects RF power amplification, and OUT is through electric capacity for RF power amplification output end CM₁、CM₂、CM₃, inductance LM₁Clutter matching antenna TA transmittings outside bandpass filtering network filtering harmonic wave and base band, are sent out by changing Core shooting piece PSEL terminal voltages or resistance value adjusting transmission power reach suitable transmission power, coordinate receiver sensitivity transmission red The operating distance of outer temperature measurement data.Infrared temperature detecting wireless data source 13, which is placed in the light path back cavity 9 of infrared measurement of temperature collector lens 6, pacifies Dress.

Laser beam guide device 4 is by Laser emission beam lens 1, laser diode VD₁2nd, model LSP103 driving chips IC₃, inductance L₁, voltage-regulator diode VD₂, resistance, electric capacity composition, driving chip AEU connection resistance R₁One end, chip FCB termination electricity Hinder R₁The other end and electric capacity C₂One end, electric capacity C₂The other end is grounded, resistance R₁Electric capacity C₂Timing produces the driving pulse of laser diode 2 Signal, chip LTC termination inductance L₁One end and voltage-regulator diode VD₂Negative electrode, voltage-regulator diode VD₂Plus earth, inductance L₁It is another End connection laser diode VD₁Anode and electric capacity C₃Positive terminal, laser diode VD₁Negative electrode, electric capacity C₃Negative pole, resistance R₂One end is mutual Connect access chip FB ends, chip GE ends are through resistance R₃Connect chip VIN ends, and with electric capacity C₄、C₅, resistance R₄One end is interconnected, resistance R₄Another termination power VCC, chip GND are grounded, the transmitting beam lens 1 of laser diode 2 and the optical axis of infrared measurement of temperature collector lens 6 8 omit bevel, the transmitting guiding calibration infrared measurement of temperature point of heated partses 5 of visible laser beam 3.

Infrared temperature detecting wireless data sink 14 receives chip IC by model ENB3122₂, digital PID regulation controller 15 Composition, receive chip include low noise sound pitch put, phase-locked loop pll, local oscillator, frequency mixer, band automatic growth control AGC intermediate frequencies Amplifier, data demodulator DTAO, receive the chip ROI external quartz resonator XTAL in end₂One end, quartz resonator XTAL₂It is another Termination capacitor CX₃One end, electric capacity CX₃The other end is grounded, and receives chip input LNAI through electric capacity CM₄、CM₅、CM₆, inductance LM₂It is low Pass filter network filters out higher hamonic wave matching antenna TB, receives radiofrequency signal and is put and local oscillator signal mixing, extraction through height Put in intermediate frequency access band automatic growth control AGC, data demodulator, digital PID regulation controller 15 to Digital Signal Processing DSP The thermometric interface of control panel 16, real-time operation control heated partses temperature, in put band AGC automatic growth controls, make infrared measurement of temperature near Distance data transmission will not produce the blocking of intermediate-freuqncy signal saturation, and the transmission of stable infrared temperature measurement data is accurate.

Laser diode transmitting laser beam guiding calibration heated partses temperature measuring point, accurately measures temperature, wireless transmission, reception Crystal oscillator frequency stabilization, data frequency keying FSK modulation strong antijamming capability, adapt to Giant Power Electromagnetic Induction Furnace radiation strong-electromagnetic field hot humid Steady operation under adverse circumstances, meets the requirement of workpiece temperature control technology.Infrared temperature detecting wireless data transmit-receive exempts to connect cable, peace Fill, using flexibly convenient.

Claims (3)

1. a kind of laser beam guides infrared temperature detecting wireless data transmitter-receiver set, it is characterised in that：Including infrared temperature detecting wireless data Transmitter, infrared temperature detecting wireless data sink, radiating laser beams guide device, wherein, infrared temperature detecting wireless data source By infrared measurement of temperature collector lens, photoelectric conversion chip, logarithmic amplifying circuit, modulus converter A/D, data encoder, model ENS1122 transmitting chips are constituted, infrared temperature detecting wireless data source photoelectric conversion chip configuration infrared measurement of temperature collector lens, with Infrared measurement of temperature collector lens optical axis omits bevel and sets laser diode to launch beam lens, driving chip circuit connection laser two Pole pipe, transmitting visible laser beam guiding calibration heated partses infrared measurement of temperature point, transmitting chip includes radio-frequency oscillator, data and adjusted Device FSKSW processed, phase discriminator PFD, charge pump CP, built-in loop filter, frequency divider, voltage controlled oscillator VCO, power output stepping Or the RF power amplification of continuously adjustabe, the external quartz resonator XTAL in transmitting chip radio-frequency oscillator ROI ends₁One end, quartz resonance Device XTAL₁Another termination capacitor CX₁、CX₂One end, electric capacity CX₁The other end is grounded, electric capacity CX₁The other end meets transmitting chip FSKSW End, photoelectric conversion chip output signal is connected to transmitting chip through logarithmic amplifying circuit, modulus converter A/D, data encoder FSKDTA ends, are respectively connected to phase discriminator PFD, phase discriminator PFD is defeated with a part of divided device of voltage controlled oscillator VCO output signal Go out error signal and control voltage controlled oscillator VCO frequency/phase through charge pump CP, built-in loop filter, voltage controlled oscillator VCO is defeated Go out signal connection RF power amplification, RF power amplification output end OUT is through electric capacity CM₁、CM₂、CM₃, inductance LM₁Bandpass filtering network filtering Clutter matching antenna TA transmittings outside harmonic wave and base band, work(is launched by changing transmitting chip PSEL terminal voltages or resistance value adjusting Rate reaches suitable transmission power, coordinates receiver sensitivity to transmit the operating distance of infrared measurement of temperature data.

2. a kind of laser beam guiding infrared temperature detecting wireless data transmitter-receiver set according to claim 1, it is characterised in that：Swash Beam directing device is by Laser emission beam lens, laser diode VD₁, model LSP103 driving chips, inductance L₁, voltage stabilizing two Pole pipe VD₂, resistance, electric capacity composition, driving chip AEU connection resistance R₁One end, chip FCB terminating resistors R₁The other end and electric capacity C₂One end, electric capacity C₂The other end is grounded, resistance R₁Electric capacity C₂Timing produces driving laser diode pulse signal, chip LTC terminations Inductance L₁One end and voltage-regulator diode VD₂Negative electrode, voltage-regulator diode VD₂Plus earth, inductance L₁The other end connects laser diode VD₁Anode and electric capacity C₃Positive terminal, laser diode VD₁Negative electrode, electric capacity C₃Negative pole, resistance R₂One end interconnection access chip FB ends, Chip GE ends are through resistance R₃Connect chip VIN ends, and with electric capacity C₄、C₅, resistance R₄One end is interconnected, resistance R₄Another termination power VCC, chip GND are grounded, and laser diode transmitting beam lens omit bevel with infrared measurement of temperature collector lens optical axis, launch visible Ray laser beam calibration heated partses guiding infrared measurement of temperature point.

3. a kind of laser beam guiding infrared temperature detecting wireless data transmitter-receiver set according to claim 1, it is characterised in that：It is red Outer thermometric wireless data receiver receives chip, digital PID regulation controller by model ENB3122 and constituted, and receives chip and includes Low noise sound pitch is put, phase-locked loop pll, local oscillator, frequency mixer, band automatic growth control AGC intermediate frequency amplifiers, data demodulator DTAO, receives the chip ROI external quartz resonator XTAL in end₂One end, quartz resonator XTAL₂Another termination capacitor CX₃One end, Electric capacity CX₃The other end is grounded, and receives chip input LNAI through electric capacity CM₄、CM₅、CM₆, inductance LM₂Low-pass filter network filters out height Subharmonic matches antenna TB, and reception radiofrequency signal is put through height and is mixed with local oscillator signal, extracts the increasing automatically of intermediate frequency access band Put in benefit control AGC, data demodulator, digital PID regulation controller to Digital Signal Processing DSP control panel thermometric interfaces, it is real When operation control heated partses temperature, in put band AGC automatic growth controls, in making infrared measurement of temperature closely data transfer not produced Frequency signal saturation is blocked, and the transmission of stable infrared temperature measurement data is accurate.