CN110047263A - A kind of wireless detection device of sucker rod load - Google Patents
A kind of wireless detection device of sucker rod load Download PDFInfo
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- CN110047263A CN110047263A CN201910423111.6A CN201910423111A CN110047263A CN 110047263 A CN110047263 A CN 110047263A CN 201910423111 A CN201910423111 A CN 201910423111A CN 110047263 A CN110047263 A CN 110047263A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The present invention provides a kind of wireless detection devices of sucker rod load in oil field ground pumping unit monitoring technical field, including wireless transmitter, wireless transmitter includes load transducer and signal processing unit, collected load signal is sent to signal processing unit by load transducer, and signal processing unit will be sent after the load signal received processing through radio transmitter；Data sink, data sink are received by the radio transmitter data-signal that sends over that treated, realize the detection of load signal；Power circuit, power circuit are powered to wireless transmitter and data sink；The present invention realizes the wireless transmission of signal, realizes the detection of load signal.
Description
Technical field
The present invention relates to communication technique field, in particular to a kind of wireless detection device of sucker rod load.
Background technique
The displacement and borne load data of sucker rod, then pass through meter when oil well power indicator acquires running of oil extractor in oil field
The instrument for calculating synthesis indicator card data is calculated for carrying out well condition analysis and Liquid output.Currently used integration indicator is not
The oil well that can be suitably used for low jig frequency, when jig frequency is lower than 1 beat/min, indicator card meeting serious distortion can not normal use.Wired
Load instrument and position sensor, which form split type indicator, can effectively measure the indicator card of low stroke frequency oil well, be lower than 0.5 in jig frequency
Beat/min when, indicator card will not be still distorted.
But wired load instrument is to transmit signal by signal cable, pumping unit operation when, cable tail with
Sucker rod moves up and down, and there are field wirings the problems such as in disorder, cable loses vulnerable to external force.
Summary of the invention
For the defects in the prior art, it is damaged it is an object of the invention to solve cable in the prior art vulnerable to external force
Technical problem provides a kind of wireless detection device of sucker rod load, and the present invention realizes the wireless transmission of signal, realizes load letter
Number detection.
The object of the present invention is achieved like this: a kind of wireless detection device of sucker rod load, including
Wireless transmitter, wireless transmitter include load transducer and signal processing unit, and the load transducer will collect
Load signal be sent to signal processing unit, signal processing unit will be after the load signal that received processing through wireless transmission electricity
Road is sent；
Data sink, the data sink is received by the radio transmitter data-signal that sends over that treated, real
The detection of existing load signal；
Power circuit, the power circuit are powered to wireless transmitter and data sink.
In the present invention, the lifting load of load transducer real-time measurement sucker rod day part, signal processing unit is to load
Signal and battery voltage signal are handled, and treated, and signal is received by data sink, pass through wireless transmitter and data
The wireless transmission of load signal is realized in the setting of receiver,
In order to further realize the detection of load signal and battery voltage signal, the signal processing unit includes preposition amplification electricity
Road, code modulated circuits and timing circuit, the data sink include that wireless receiving circuit, decoding demodulator circuit and output are put
Big circuit, the load signal that the pre-amplification circuit sends over load transducer amplify, and code modulated circuits are to premenstrual
It sets the amplified load signal of amplifying circuit and battery voltage signal carries out coded modulation, radio transmitter is electric by coded modulation
The modulated signal in road is launched, and wireless receiving circuit receives the signal transmitted by radio transmitter and will receive
Signal be sent to decoding demodulator circuit, decoding demodulator circuit decodes load signal and battery voltage signal, output amplification electricity
Road receives decoded signal and carries out enhanced processing, is to be transferred to external control to set through the amplified signal of output amplifier
Standby receivable load signal.
In order to further realize the enhanced processing of the load signal detected to load transducer, the pre-amplification circuit
Including adjustable resistance RP3, two fixing ends of the adjustable resistance are separately connected+5V and -5V voltage, and two of load transducer
Signal output end is separately connected one end of resistance R22 and resistance R23, and resistance R22 is connect with the adjustable side of adjustable resistance RP3, electricity
Other end connection resistance R21, the capacitor C13 of resistance R22 is connected with the non-inverting input terminal of operational amplifier U2A, resistance R21 and capacitor
The other end of C13 is connect with the one end resistance R23, and resistance R23 other end connection one end resistance R24, the one end capacitor C14 and operation are put
The reverse input end of big device U2A, output end connection one end resistance R26, the resistance R24 other end and the capacitor of operational amplifier U3A
The C14 other end, the non-inverting input terminal of the resistance R26 other end connection one end capacitor C17 and operational amplifier U2B, resistance R23
One end connects the one end resistance R20, and the resistance R20 other end connects the one end adjustable resistance RP4, adjustable resistance RP4 other end connection electricity
Hold the inverting input terminal of the one end C16, the one end resistance R25 and operational amplifier U2B, the output end of operational amplifier connects resistance
The R25 other end, the capacitor C16 other end, connecting terminal CN1 pin 5 and pin 6.
In order to further realize the control of data processing emission duration, the timing circuit includes debugging socket, electricity
Source VCC connection debug socket anode, debug socket cathode be connected with the cathode of electrode capacitance C5, the cathode for having electrode capacitance C12,
The one end resistance R1, the anode of diode D1 and operational amplifier U1A inverting input terminal, the cathode of diode D1 connects resistance
The one end R14, the one end resistance R1 connect the one end resistance R13, the operational amplifier U1A connection resistance R14 other end, resistance R13
The other end, the one end resistance R3 and the one end resistance R5, resistance R3 other end connection one end resistance R2, the one end resistance R4 and operation
The non-inverting input terminal of amplifier U1A, the base stage of resistance R5 other end connection PNP type triode Q4, the power supply VCC also with
There are the anode of electrode capacitance C5, the anode for having electrode capacitance C12, the resistance R4 other end to connect with the emitter of triode Q4, described three
Collector connection one end capacitor C7 of pole pipe Q4 and the one end resistance R15, the resistance R15 other end connect the negative of zener diode D4
Pole, zener diode D4 anode connection the one end resistance R19, the anode for having electrode capacitance C20, connecting terminal CN2 pin 3 and draw
Foot 4, the capacitor C7 other end and the resistance R2 other end are grounded, the resistance R19 other end and the cathode for having electrode capacitance C20
It is connect respectively with power supply VSS, the pin 1 and pin 2 of connecting terminal CN2 connects VSS.
In order to further realize the power supply of signal processing unit, the power circuit includes power supply circuit, voltage regulator circuit, electricity
It presses translation circuit one and voltage conversion circuit two, the power supply circuit includes solar panel, the anode of solar panel
Connect the anode of counnter attack diode D2, cathode connection insurance one end resistance R12 of the counnter attack diode D2, the insurance resistance
The anode of R12 other end connection battery；The voltage regulator circuit includes resistance R11, and the collector of the triode Q4 connects resistance
The one end R11 is connected with the collector of NPN type triode Q3, a fixation of the resistance R11 other end connection adjustable resistance RP1
End connection, another fixing end connection one end capacitor C1 of adjustable resistance RP1, the base stage of triode Q1 and has that electrode capacitance C9's is negative
The emitter of pole connection, the capacitor C1 other end and triode Q1 are connect with the adjustable side of adjustable resistance RP1 respectively, triode
The collector of Q1 is connected with the base stage of triode Q3, and the emitter of triode Q3 is connect with there is the anode of electrode capacitance C9, triode
Output+6V voltage at the emitter of Q3；The voltage conversion circuit one includes operational amplifier U1B, the collector of triode Q4
The one end resistance R6 is connected, the other end of the resistance R6 connects the same of the one end resistance R7, the one end resistance R8 and operational amplifier U1B
Phase input terminal, inverting input terminal connection one end capacitor C10, the one end resistance R18 and the one end resistance R17 of operational amplifier U1B, institute
State the anode of resistance R17 other end connection diode D3, one end of the cathode connection adjustable resistance RP2 of diode D3, adjustable electric
The other end connection resistance R18 other end, the one end resistance R9, the output end of operational amplifier U1B and the resistance R7 for hindering RP2 are another
End, the base stage of the resistance R9 other end connection PNP type triode Q2 and the base stage of NPN type triode Q5, the hair of triode Q2
Emitter-base bandgap grading connection one end resistance R10 and the one end capacitor C2, the collector of the collector connecting triode Q5 of triode Q2 have electrode capacitance
There are two poles of anode connection of electrode capacitance C19 in the anode of C11, the cathode for having electrode capacitance C19, the one end capacitor C15 and the one end capacitor C8
The anode of the cathode and the capacitor C15 other end of pipe D6, the resistance R10 other end and diode D6 are connect with+6V voltage respectively, capacitor
C15 other end generation+5V voltage, the one end capacitor C15 generate power supply VSS, the capacitor C8 other end and have the cathode of electrode capacitance C11 equal
It is connect with the anode of diode D5, capacitor C8 other end generation -5V voltage, the cathode for having electrode capacitance C9, capacitor C10 are another
The cathode at end, the resistance R8 other end, the capacitor C2 other end, the emitter of triode Q5 and diode D5 is grounded.
In order to further realize the coded modulation of load signal and battery voltage signal, the code modulated circuits include adjusting
Demodulation chip U1 and modem chip U2 processed, the pin 5 and pin 6 of connecting terminal CN2 link together, connecting terminal CN2
Pin 3 and pin 4 link together, the pin 5 of connecting terminal CN2 connects the pin 5 of connecting terminal CN1, connecting terminal CN2
Pin 3 connect the pin 3 of connecting terminal CN1, the pin 6 of connecting terminal CN2 connects the one end resistance R11, and the resistance R11 is another
One end connects the one end capacitor C7 and the end REF of comparison the input terminal VIN, the modem chip U2 of modem chip U1 and connects
It connects insurance one end resistance R12 and the one end capacitor C8, the capacitor C7 other end and the capacitor C8 other end is grounded；Connecting terminal CN2's
Pin 3 connects the one end resistance R9, and the resistance R9 other end connects the comparison input terminal of the one end capacitor C5 and modem chip U1
The frequency output terminal FOUT of the frequency output terminal FOUT and modem chip U3 of VIN, modem chip U2 are connected to nothing
Line transmit circuit.
In order to further realize the power supply of data sink, the voltage conversion circuit two includes voltage stabilizing chip U4 ,+24V
Voltage connects the one end resistance R1, the anode of the resistance R1 other end connection diode D1, and the cathode of diode D1 connects power supply
VDD, the anode for having electrode capacitance C1, the one end capacitor C5 and voltage stabilizing chip U4 input terminal, the output end of the voltage stabilizing chip U4 connects
The one end connecting resistance R6 and the one end capacitor C6, the anode of the resistance R6 other end connection diode D4, the diode D4's is negative
Pole connects the anode of light emitting diode L2, the ground connection of the cathode for having electrode capacitance C1, the capacitor C5 other end, voltage stabilizing chip U4
The cathode at end, the capacitor C6 other end and light emitting diode L2 is grounded.
After realizing that the output of load signal and battery voltage signal after demodulation, the decoding demodulator circuit will decode
Load signal through connecting terminal pin 3 export, decode demodulator circuit by decoded battery voltage signal through connecting terminal
Pin 6 export, the output amplifier includes operational amplifier U5A and operational amplifier U5B, and the connecting terminal draws
Foot 3 connects the one end resistance R8, and the resistance R8 other end connects the non-inverting input terminal of the one end resistance R5 and operational amplifier U5A,
The pin 6 of the connecting terminal connects the one end resistance R7, described resistance R7 other end connection one end resistance R4 and operational amplifier
The non-inverting input terminal of U5B, the resistance R5 other end and the resistance R4 other end are connect with the cathode of diode D4, two pole
Inverting input terminal, the inverting input terminal of operational amplifier U5B and the capacitor C4 mono- of the anode connection operational amplifier U5A of pipe D4
End, the output end of operational amplifier U5A connect the one end resistance R9, the base stage of the resistance R9 other end connecting triode Q1, fortune
The output end for calculating amplifier U5B connects the one end resistance R10, the base stage of the resistance R10 other end connecting triode Q2, power supply
The collector of VCC connecting triode Q1 and the collector of triode Q2, the emitter of triode Q1 and the emitter of triode Q2
Amplified signal is exported, realizes the load detection of sucker rod.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention.
Fig. 2 is the circuit diagram of code modulated circuits in the present invention.
Fig. 3 is the circuit diagram of data sink in the present invention.
Fig. 4 is the circuit diagram of power supply circuit in the present invention.
Specific embodiment
The present invention will be further described below with reference to the drawings.
A kind of wireless detection device of sucker rod load as shown in figures 1-4, including wireless transmitter, wireless transmitter
Including load transducer and signal processing unit, collected load signal is sent to signal processing unit by load transducer,
Signal processing unit will be sent after the load signal received processing through radio transmitter；Data sink, data connect
It receives device to receive by the radio transmitter data-signal that sends over that treated, realizes the detection of load signal；Power circuit,
Power circuit is powered to wireless transmitter and data sink.
Wherein, signal processing unit includes pre-amplification circuit, code modulated circuits and timing circuit, data sink packet
Wireless receiving circuit, decoding demodulator circuit and output amplifier, pre-amplification circuit is included to send over load transducer
Load signal amplification, code modulated circuits are compiled to through the amplified load signal of pre-amplification circuit and battery voltage signal
Code modulation, radio transmitter launch the modulated signal of code modulated circuits, and wireless receiving circuit is received by wireless
The signal received is simultaneously sent to decoding demodulator circuit by signal that transmit circuit transmits, and decoding demodulator circuit decodes load
Lotus signal and battery voltage signal, output amplifier receive decoded signal and carry out enhanced processing, through output amplification electricity
The amplified signal in road is to be transferred to the receivable load signal of external control devices.
In order to further realize the enhanced processing of the load signal detected to load transducer, pre-amplification circuit includes
Adjustable resistance RP3, two fixing ends of adjustable resistance are separately connected+5V and -5V voltage, two signals output of load transducer
End is separately connected one end of resistance R22 and resistance R23, and resistance R22 is connect with the adjustable side of adjustable resistance RP3, and resistance R22's is another
Connection resistance R21, capacitor C13 are connected with the non-inverting input terminal of operational amplifier U2A for one end, and resistance R21 and capacitor C13's is another
End is connect with the one end resistance R23, and the resistance R23 other end connects the one end resistance R24, the one end capacitor C14 and operational amplifier U2A
Reverse input end, output end connection one end resistance R26, the resistance R24 other end and the capacitor C14 other end of operational amplifier U3A,
The resistance R26 other end connects the non-inverting input terminal of the one end capacitor C17 and operational amplifier U2B, and the one end resistance R23 connects resistance
The one end R20, the resistance R20 other end connect the one end adjustable resistance RP4, and the adjustable resistance RP4 other end connects the one end capacitor C16, electricity
The inverting input terminal of the one end R25 and operational amplifier U2B is hindered, the output end of operational amplifier connects the resistance R25 other end, capacitor
The pin 5 and pin 6 of the C16 other end, connecting terminal CN1.
In order to further realize the control of data processing emission duration, timing circuit includes debugging socket, power supply VCC
The anode of connection debugging socket, the cathode for debugging socket are connected with the cathode of electrode capacitance C5, the cathode for having electrode capacitance C12, resistance
The one end R1, the anode of diode D1 and operational amplifier U1A inverting input terminal, the cathode of diode D1 connects resistance R14 mono-
End, the one end resistance R1 connect the one end resistance R13, the operational amplifier U1A connection resistance R14 other end, the resistance R13 other end, electricity
The one end R3 and the one end resistance R5 are hindered, the resistance R3 other end connects the same of the one end resistance R2, the one end resistance R4 and operational amplifier U1A
Phase input terminal, the resistance R5 other end connect PNP type triode Q4 base stage, power supply VCC also with the anode for having electrode capacitance C5, have pole
Anode, the resistance R4 other end of capacitor C12 is connected with the emitter of triode Q4, and the collector of triode Q4 connects capacitor C7 mono-
End and the one end resistance R15, the resistance R15 other end connect the cathode of zener diode D4, the anode connection electricity of zener diode D4
Hinder the one end R19, the anode for having electrode capacitance C20, connecting terminal CN2 pin 3 and pin 4, the capacitor C7 other end and resistance R2 are another
One end is grounded, and the resistance R19 other end and has the cathode of electrode capacitance C20 to connect respectively with power supply VSS, and connecting terminal CN2's draws
Foot 1 and pin 2 connect VSS.
In order to further realize the power supply of signal processing unit, power circuit includes power supply circuit, voltage regulator circuit, voltage change
Circuit one and voltage conversion circuit two are changed, power supply circuit includes solar panel, the anode connection counnter attack of solar panel
The anode of diode D2, cathode connection insurance one end resistance R12 of counnter attack diode D2, insurance resistance R12 other end connection electricity
The anode in pond；Voltage regulator circuit includes resistance R11, collector connection one end resistance R11 of triode Q4 and NPN type triode Q3's
Collector connection, the resistance R11 other end connect the fixing end connection of adjustable resistance RP1, and another of adjustable resistance RP1 is solid
Fixed end connection the one end capacitor C1, triode Q1 base stage with there is the cathode of electrode capacitance C9 to connect, the capacitor C1 other end and triode
The emitter of Q1 is connect with the adjustable side of adjustable resistance RP1 respectively, and the collector of triode Q1 is connected with the base stage of triode Q3,
The emitter of triode Q3 is connect with there is the anode of electrode capacitance C9, output+6V voltage at the emitter of triode Q3；Voltage transformation
Circuit one includes operational amplifier U1B, and the collector of triode Q4 connects the one end resistance R6, and the other end of resistance R6 connects resistance
The inverting input terminal of the non-inverting input terminal of the one end R7, the one end resistance R8 and operational amplifier U1B, operational amplifier U1B connects electricity
Hold the one end C10, the one end resistance R18 and the one end resistance R17, the resistance R17 other end connects the anode of diode D3, diode D3's
Cathode connects one end of adjustable resistance RP2, the other end connection resistance R18 other end of adjustable resistance RP2, the one end resistance R9, fortune
The output end and the resistance R7 other end of amplifier U1B are calculated, the resistance R9 other end connects the base stage and NPN type of PNP type triode Q2
The base stage of triode Q5, emitter connection one end resistance R10 of triode Q2 and the one end capacitor C2, the collector of triode Q2 connect
Meet the collector of triode Q5, the anode for having electrode capacitance C11, the cathode for having electrode capacitance C19, the one end capacitor C15 and capacitor C8 mono-
, there are the cathode and the capacitor C15 other end, the resistance R10 other end and diode D6 of the cathode connecting diode D6 of electrode capacitance C19 in end
Anode connect respectively with+6V voltage, capacitor C15 other end generation+5V voltage, the one end capacitor C15 generation power supply VSS, capacitor
The C8 other end and there is the cathode of electrode capacitance C11 to connect with the anode of diode D5, capacitor C8 other end generation -5V voltage has
Cathode, the capacitor C10 other end, the resistance R8 other end, the capacitor C2 other end, the emitter of triode Q5 and two poles of electrode capacitance C9
The cathode of pipe D5 is grounded.
In order to further realize the coded modulation of load signal and battery voltage signal, code modulated circuits include modulatedemodulate
The pin 5 and pin 6 of aligning piece U1 and modem chip U2, connecting terminal CN2 link together, and connecting terminal CN2's draws
Foot 3 and pin 4 link together, and the pin 5 of connecting terminal CN2 connects the pin 5 of connecting terminal CN1, and connecting terminal CN2's draws
Foot 3 connects the pin 3 of connecting terminal CN1, and the pin 6 of connecting terminal CN2 connects the one end resistance R11, the connection of the resistance R11 other end
The end the REF connection insurance resistance of comparison the input terminal VIN, modem chip U2 of the one end capacitor C7 and modem chip U1
The one end R12 and the one end capacitor C8, the capacitor C7 other end and the capacitor C8 other end are grounded, insurance resistance R12 connection switch SW1's
One end, the other end out-put supply VCC of switch SW1, the cathode ground connection of lithium battery module；The pin 3 of connecting terminal CN2 connects electricity
The one end R9 is hindered, the resistance R9 other end connects the comparison input terminal VIN of the one end capacitor C5 and modem chip U1, modulatedemodulate aligning
The frequency output terminal FOUT of the frequency output terminal FOUT and modem chip U3 of piece U2 are connected to radio transmitter.
In order to further realize the power supply of data sink, voltage conversion circuit two includes voltage stabilizing chip U4 ,+24V voltage
The one end resistance R1 is connected, the resistance R1 other end connects the anode of diode D1, the cathode connection power vd D of diode D1, has pole
The anode of capacitor C1, the one end capacitor C5 and voltage stabilizing chip U4 input terminal, the output end of voltage stabilizing chip U4 connects the one end resistance R6
With the one end capacitor C6, the resistance R6 other end connects the anode of diode D4, the cathode connection light emitting diode L2's of diode D4
Anode has cathode, the capacitor C5 other end, the ground terminal of voltage stabilizing chip U4, the capacitor C6 other end and the light-emitting diodes of electrode capacitance C1
The cathode of pipe L2 is grounded；Decoding demodulator circuit exports decoded load signal through the pin 3 of connecting terminal, decoding demodulation
Circuit exports decoded battery voltage signal through the pin 6 of connecting terminal, and output amplifier includes operational amplifier U5A
With operational amplifier U5B, the pin 3 of connecting terminal connects the one end resistance R8, and the resistance R8 other end connects the one end resistance R5 and fortune
The non-inverting input terminal of amplifier U5A is calculated, the pin 6 of connecting terminal connects the one end resistance R7, and the resistance R7 other end connects resistance R4
The non-inverting input terminal of one end and operational amplifier U5B, the cathode of the resistance R5 other end and the resistance R4 other end with diode D4
Connection, the anode connection inverting input terminal of operational amplifier U5A of diode D4, the inverting input terminal of operational amplifier U5B and
The output end of the one end capacitor C4, operational amplifier U5A connects the one end resistance R9, the base of resistance R9 other end connecting triode Q1
The output end of pole, operational amplifier U5B connects the one end resistance R10, the base stage of resistance R10 other end connecting triode Q2, power supply
The collector of VCC connecting triode Q1 and the collector of triode Q2, the emitter of triode Q1 and the emitter of triode Q2
Amplified signal is exported to the load detection that sucker rod is realized to external control equipment.
In the present invention, solar extraction beam hanger load wireless transmitting unit is mounted on the connection of pumping unit hanging rope and sucker rod
Place, data receipt unit are installed on the control cabinet of pumping unit；Radio transmitter, wireless receiving circuit, lithium battery module and
Decoding demodulator circuit is the prior art, no specific circuit structure diagram of offer in the application；Ground terminal and Fig. 1 in Fig. 4
In ground terminal it is identical；Solar battery charges through counnter attack diode D2 and insurance insurance resistance R12 to lithium battery module, passes through
Detection to cell voltage, the on-off out-put supply VCC of control switch；+ 5V and -5V in Fig. 1 are the voltage value of opposite VSS,
Ground terminal in Fig. 2 is identical with the end VSS, the external radio transmitter of CN2, the external wireless receiving circuit of CN4 and decoding demodulation electricity
Road, current limit circuit in lithium battery module, the lifting load of load transducer real-time measurement sucker rod, internal strain piece generate
Signal amplify processing through placing amplifying circuit, placed the amplified signal of amplifying circuit export it is electric to coded modulation
Road, battery voltage signal pass sequentially through R15, D4, R19 and C20 and pass to code modulated circuits, control late-class circuit by Q4
Work and dormancy time, the voltage regulator circuit offer+6V voltage being made of Q1, Q3 etc., voltage conversion circuit one is by+6V voltage transformation
At ± 5V the voltage relative to VSS, provides and supply electricity to load transducer and pre-amplification circuit；In Fig. 2, pass through code modulated circuits
Load signal and battery voltage signal are encoded into Frequency-variable Modulation signal, and launched by the external radio transmitter of CN5
It goes, wireless receiving circuit receives the signal launched by radio transmitter, and wireless receiving circuit sends out the signal received
Decoding demodulator circuit is given, decoding demodulator circuit decodes load signal and battery voltage signal, mentions after output amplifier
Supply control equipment, realizes the detection of the battery voltage signal of load signal；Present invention can apply to the communication works of oil drilling
In work.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation all fall in the scope of protection of the present invention.
Claims (8)
1. a kind of wireless detection device of sucker rod load, it is characterised in that: including
Wireless transmitter, wireless transmitter include load transducer and signal processing unit, and the load transducer will collect
Load signal be sent to signal processing unit, signal processing unit will be after the load signal that received processing through wireless transmission electricity
Road is sent；
Data sink, the data sink is received by the radio transmitter data-signal that sends over that treated, real
The detection of existing load signal；
Power circuit, the power circuit are powered to wireless transmitter and data sink.
2. a kind of wireless detection device of sucker rod load according to claim 1, it is characterised in that: the signal processing
Unit includes pre-amplification circuit, code modulated circuits and timing circuit, and the data sink includes wireless receiving circuit, solution
Code demodulator circuit and output amplifier, the load signal that the pre-amplification circuit sends over load transducer amplify,
Code modulated circuits carry out coded modulation to through the amplified load signal of pre-amplification circuit and battery voltage signal, wireless to send out
Transmit-receive radio road launches the modulated signal of code modulated circuits, and wireless receiving circuit reception is transmitted across by radio transmitter
The signal received is simultaneously sent to decoding demodulator circuit by next signal, and decoding demodulator circuit decodes load signal and battery electricity
Signal is pressed, output amplifier receives decoded signal and carries out enhanced processing, through the amplified signal of output amplifier
To be transferred to the receivable load signal of external control devices.
3. a kind of wireless detection device of sucker rod load according to claim 2, it is characterised in that: the preposition amplification
Circuit includes adjustable resistance RP3, and two fixing ends of the adjustable resistance are separately connected+5V and -5V voltage, load transducer
Two signal output ends are separately connected one end of resistance R22 and resistance R23, the adjustable side company of resistance R22 and adjustable resistance RP3
It connects, other end connection resistance R21, the capacitor C13 of resistance R22 is connected with the non-inverting input terminal of operational amplifier U2A, resistance R21
Connect with the other end of capacitor C13 with the one end resistance R23, the resistance R23 other end connect the one end resistance R24, the one end capacitor C14 and
The output end of the reverse input end of operational amplifier U2A, operational amplifier U3A connects the one end resistance R26, the resistance R24 other end
With the capacitor C14 other end, the resistance R26 other end connects the non-inverting input terminal of the one end capacitor C17 and operational amplifier U2B,
The one end resistance R23 connects the one end resistance R20, and the resistance R20 other end connects the one end adjustable resistance RP4, the adjustable resistance RP4 other end
Connect the inverting input terminal of the one end capacitor C16, the one end resistance R25 and operational amplifier U2B, the output end connection of operational amplifier
The resistance R25 other end, the capacitor C16 other end, connecting terminal CN1 pin 5 and pin 6.
4. a kind of wireless detection device of sucker rod load according to claim 3, it is characterised in that: the timing circuit
Including debugging socket, the anode of socket is debugged in power supply VCC connection, and the cathode for debugging socket is connected with the cathode of electrode capacitance C5, has
The cathode of electrode capacitance C12, the one end resistance R1, the anode of diode D1 and operational amplifier U1A inverting input terminal, diode D1
Cathode connect the one end resistance R14, the one end resistance R1 connect the one end resistance R13, the operational amplifier U1A connection resistance R14
The other end, the resistance R13 other end, the one end resistance R3 and the one end resistance R5, the resistance R3 other end connect the one end resistance R2, electricity
The non-inverting input terminal of the one end R4 and operational amplifier U1A is hindered, the resistance R5 other end connects the base stage of PNP type triode Q4,
The power supply VCC also with the anode for having electrode capacitance C5, the anode for having electrode capacitance C12, the resistance R4 other end and triode Q4 hair
Emitter-base bandgap grading connection, collector connection one end capacitor C7 of the triode Q4 and the one end resistance R15, the connection of the resistance R15 other end are steady
Press the cathode of diode D4, anode the connection one end resistance R19, the anode for having electrode capacitance C20, connecting terminal of zener diode D4
The pin 3 and pin 4 of CN2, the capacitor C7 other end and the resistance R2 other end are grounded, and the resistance R19 other end and are had
The cathode of electrode capacitance C20 is connect with power supply VSS respectively, and the pin 1 and pin 2 of connecting terminal CN2 connects VSS.
5. a kind of wireless detection device of sucker rod load according to claim 4, it is characterised in that: the power circuit
Including power supply circuit, voltage regulator circuit, voltage conversion circuit one and voltage conversion circuit two, the power supply circuit includes solar-electricity
Pond plate, the anode of the anode connection counnter attack diode D2 of solar panel, the cathode of the counnter attack diode D2 connect insurance
The one end resistance R12, the anode of the insurance resistance R12 other end connection battery；The voltage regulator circuit includes resistance R11, described
Collector connection one end resistance R11 of triode Q4 is connected with the collector of NPN type triode Q3, the resistance R11 other end
The fixing end connection of adjustable resistance RP1 is connected, another fixing end of adjustable resistance RP1 connects the one end capacitor C1, three poles
The base stage of pipe Q1 with there is the cathode of electrode capacitance C9 to connect, the emitter of the capacitor C1 other end and triode Q1 respectively with it is adjustable
The adjustable side of resistance RP1 connects, and the collector of triode Q1 is connected with the base stage of triode Q3, the emitter of triode Q3 with have
The anode of electrode capacitance C9 connects, output+6V voltage at the emitter of triode Q3；The voltage conversion circuit one is put including operation
The collector of big device U1B, triode Q4 connect the one end resistance R6, and the other end of the resistance R6 connects the one end resistance R7, resistance
The inverting input terminal of the non-inverting input terminal of the one end R8 and operational amplifier U1B, operational amplifier U1B connects the one end capacitor C10, electricity
Hinder the one end R18 and the one end resistance R17, the anode of the resistance R17 other end connection diode D3, the cathode connection of diode D3
The other end of one end of adjustable resistance RP2, adjustable resistance RP2 connects the resistance R18 other end, the one end resistance R9, operational amplifier
The output end and the resistance R7 other end of U1B, three pole of base stage and NPN type of the resistance R9 other end connection PNP type triode Q2
The base stage of pipe Q5, emitter connection one end resistance R10 of triode Q2 and the one end capacitor C2, the collector connection three of triode Q2
The collector of pole pipe Q5, the anode for having electrode capacitance C11, the cathode for having electrode capacitance C19, the one end capacitor C15 and the one end capacitor C8, have
The cathode and the capacitor C15 other end of the cathode connecting diode D6 of electrode capacitance C19, the resistance R10 other end and diode D6 are just
Pole is connect with+6V voltage respectively, capacitor C15 other end generation+5V voltage, and the one end capacitor C15 generates power supply VSS, and capacitor C8 is another
One end and there is the cathode of electrode capacitance C11 to connect with the anode of diode D5, capacitor C8 other end generation -5V voltage is described to have
Cathode, the capacitor C10 other end, the resistance R8 other end, the capacitor C2 other end, the emitter of triode Q5 and two poles of electrode capacitance C9
The cathode of pipe D5 is grounded.
6. a kind of wireless detection device of sucker rod load according to claim 5, it is characterised in that: the coded modulation
Circuit includes modem chip U1 and modem chip U2, and the pin 5 and pin 6 of connecting terminal CN2 links together, connect
The pin 3 and pin 4 of line terminals CN2 links together, and the pin 5 of connecting terminal CN2 connects the pin 5 of connecting terminal CN1, connects
The pin 3 of line terminals CN2 connects the pin 3 of connecting terminal CN1, and the pin 6 of connecting terminal CN2 connects the one end resistance R11, described
Comparison the input terminal VIN, the modem chip U2 of the connection of the resistance R11 other end one end capacitor C7 and modem chip U1
The end REF connection insurance the one end resistance R12 and the one end capacitor C8, the capacitor C7 other end and the capacitor C8 other end be grounded；Wiring
The pin 3 of terminal CN2 connects the one end resistance R9, and the resistance R9 other end connects the comparison of the one end capacitor C5 and modem chip U1
The frequency output terminal FOUT of the frequency output terminal FOUT and modem chip U3 of input terminal VIN, modem chip U2 connect
It is connected to radio transmitter.
7. a kind of wireless detection device of sucker rod load according to claim 5, it is characterised in that: the voltage transformation
Circuit two includes voltage stabilizing chip U4, and+24 voltages connect the one end resistance R1, and the resistance R1 other end connection diode D1 is just
Pole, diode D1 cathode connection power vd D, the anode for having electrode capacitance C1, the one end capacitor C5 and voltage stabilizing chip U4 input terminal,
Output end connection one end resistance R6 of the voltage stabilizing chip U4 and the one end capacitor C6, the resistance R6 other end connect diode D4
Anode, the diode D4 cathode connection light emitting diode L2 anode, the cathode for having electrode capacitance C1, capacitor C5 are another
One end, the ground terminal of voltage stabilizing chip U4, the capacitor C6 other end and light emitting diode L2 cathode be grounded.
8. a kind of wireless detection device of sucker rod load according to claim 7, it is characterised in that: the decoding demodulation
Circuit exports decoded load signal through the pin 3 of connecting terminal, and decoding demodulator circuit believes decoded cell voltage
Pin 6 number through connecting terminal exports, and the output amplifier includes operational amplifier U5A and operational amplifier U5B, described
The connection of pin 3 one end resistance R8 of connecting terminal, described resistance R8 other end connection one end resistance R5 and operational amplifier U5A's
Non-inverting input terminal, the pin 6 of the connecting terminal connect the one end resistance R7, described resistance R7 other end connection one end resistance R4 and
The non-inverting input terminal of operational amplifier U5B, the resistance R5 other end and the resistance R4 other end connect with the cathode of diode D4
It connects, inverting input terminal, the inverting input terminal of operational amplifier U5B of the anode connection operational amplifier U5A of the diode D4
The one end resistance R9, the resistance R9 other end connecting triode Q1 are connected with the output end of the one end capacitor C4, operational amplifier U5A
Base stage, the output end of operational amplifier U5B connects the one end resistance R10, the base of the resistance R10 other end connecting triode Q2
Pole, the collector of power supply VCC connecting triode Q1 and the collector of triode Q2, the emitter of triode Q1 and triode Q2's
Emitter exports amplified signal, realizes the load detection of sucker rod.
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| CN112502699A (en) * | 2020-12-21 | 2021-03-16 | 方永和 | Oil pumping well load interference communication device and communication method thereof |
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| CN110047263B (en) | 2021-03-05 |
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