CN110047263B - Wireless detection device for sucker rod load - Google Patents
Wireless detection device for sucker rod load Download PDFInfo
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- CN110047263B CN110047263B CN201910423111.6A CN201910423111A CN110047263B CN 110047263 B CN110047263 B CN 110047263B CN 201910423111 A CN201910423111 A CN 201910423111A CN 110047263 B CN110047263 B CN 110047263B
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- 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 invention provides a wireless detection device for sucker rod load in the technical field of oil field ground pumping unit monitoring, which comprises a wireless transmitter, wherein the wireless transmitter comprises a load sensor and a signal processing unit, the load sensor sends a collected load signal to the signal processing unit, and the signal processing unit processes the received load signal and sends the processed load signal out through a wireless transmitting circuit; the data receiver receives the processed data signal sent by the wireless transmitting circuit to realize the detection of the load signal; the power circuit supplies power to the wireless transmitter and the data receiver; the invention realizes wireless transmission of signals and detection of load signals.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a wireless detection device for sucker rod load.
Background
The oil well indicator collects the displacement and load data of the pumping rod when the oil pumping unit in the oil field operates, and then the displacement and load data are synthesized by the oil well indicator for well condition analysis and liquid production calculation. The conventional integrated indicator cannot be suitable for an oil well with low stroke frequency, and when the stroke frequency is lower than 1 time per minute, the indicator diagram is seriously distorted and cannot be normally used. The split indicator composed of the wired load instrument and the position sensor can effectively measure the indicator diagram of the low-stroke-frequency oil well, and the indicator diagram can not be distorted when the stroke frequency is lower than 0.5 time/time.
However, the wired load meter transmits signals through a signal cable, and when the pumping unit operates, a cable lead moves up and down along with the pumping rod, so that the problems of messy field wiring, easy breakage of the cable due to external force and the like exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem that a cable is easily damaged by external force in the prior art, and provides a wireless detection device for the load of a sucker rod.
The purpose of the invention is realized as follows: a wireless detection device for sucker rod load comprises
The wireless transmitter comprises a load sensor and a signal processing unit, the load sensor sends a collected load signal to the signal processing unit, and the signal processing unit processes the received load signal and sends the processed load signal out through a wireless transmitting circuit;
the data receiver receives the processed data signal sent by the wireless transmitting circuit to realize the detection of the load signal;
a power circuit to power the wireless transmitter and the data receiver.
In the invention, the load sensor measures the lifting load of the sucker rod in each time period in real time, the signal processing unit processes the load signal and the battery voltage signal, the processed signal is received by the data receiver, the wireless transmission of the load signal is realized through the arrangement of the wireless transmitter and the data receiver,
in order to further realize the detection of the load signal and the battery voltage signal, the signal processing unit comprises a preamplification circuit, a code modulation circuit and a timing circuit, the data receiver comprises a wireless receiving circuit, a decoding and demodulating circuit and an output amplifying circuit, the pre-amplifying circuit amplifies a load signal sent by the load sensor, the coding and modulating circuit codes and modulates the load signal and a battery voltage signal amplified by the pre-amplifying circuit, the wireless transmitting circuit transmits the signal modulated by the coding and modulating circuit, the wireless receiving circuit receives the signal transmitted by the wireless transmitting circuit and sends the received signal to the decoding and demodulating circuit, the decoding and demodulating circuit decodes the load signal and the battery voltage signal, the output amplifying circuit receives and amplifies the decoded signal, and the signal amplified by the output amplifying circuit is the load signal which can be received and transmitted to external control equipment.
In order to further realize the amplification processing of the load signal detected by the load sensor, the preamplification circuit comprises an adjustable resistor RP3, two fixed ends of the adjustable resistor are respectively connected with +5V and-5V voltages, two signal output ends of the load sensor are respectively connected with one ends of a resistor R22 and a resistor R23, the resistor R22 is connected with an adjusting end of the adjustable resistor RP3, the other end of the resistor R22 is connected with a resistor R21, a capacitor C13 and a non-inverting input end of an operational amplifier U2A, the other ends of the resistor R21 and the capacitor C13 are connected with one end of a resistor R23, the other end of the resistor R23 is connected with one end of a resistor R24, one end of a capacitor C14 and an inverting input end of an operational amplifier U2A, an output end of the operational amplifier U3A is connected with one end of the resistor R26, the other end of the resistor R24 and the other end of the capacitor C14, the other end of the resistor, one end of a resistor R23 is connected with one end of a resistor R20, the other end of a resistor R20 is connected with one end of an adjustable resistor RP4, the other end of the adjustable resistor RP4 is connected with one end of a capacitor C16, one end of a resistor R25 and the inverting input end of an operational amplifier U2B, and the output end of the operational amplifier is connected with the other end of the resistor R25, the other end of the capacitor C16, a pin 5 and a pin 6 of a wiring terminal CN 1.
In order to further realize the control of the data processing emission interval, the timing circuit comprises a debugging socket, a power supply VCC is connected with the anode of the debugging socket, the cathode of the debugging socket is connected with the cathode of a pole capacitor C5, the cathode of a pole capacitor C12, one end of a resistor R1, the anode of a diode D1 and the inverting input end of an operational amplifier U1A, the cathode of a diode D1 is connected with one end of a resistor R14, one end of a resistor R1 is connected with one end of a resistor R13, the operational amplifier U1A is connected with the other end of a resistor R14, the other end of a resistor R13, one end of a resistor R4657348 and one end of a resistor R5, the other end of the resistor R3 is connected with one end of a resistor R2, one end of a resistor R4 and the non-inverting input end of the operational amplifier U1A, the other end of the resistor R5 is connected with the base of a PNP type triode Q9, the power supply VCC is also connected with the anode of a pole capacitor, the collector of the triode Q4 is connected with one end of a capacitor C7 and one end of a resistor R15, the other end of the resistor R15 is connected with the cathode of a voltage stabilizing diode D4, the anode of the voltage stabilizing diode D4 is connected with one end of a resistor R19, the anode of a capacitor C20, a pin 3 and a pin 4 of a wiring terminal CN2, the other end of the capacitor C7 and the other end of the resistor R2 are grounded, the other end of the resistor R19 and the cathode of the capacitor C20 are respectively connected with a power supply VSS, and a pin 1 and a pin 2 of the wiring terminal CN2 are connected with VSS.
In order to further realize the power supply of the signal processing unit, the power supply circuit comprises a power supply circuit, a voltage stabilizing circuit, a first voltage conversion circuit and a second voltage conversion circuit, the power supply circuit comprises a solar panel, the anode of the solar panel is connected with the anode of an anti-reverse diode D2, the cathode of the anti-reverse diode D2 is connected with one end of a safety resistor R12, and the other end of the safety resistor R12 is connected with the anode of a battery; the voltage stabilizing circuit comprises a resistor R11, wherein a collector of the triode Q4 is connected with one end of a resistor R11 and a collector of an NPN triode Q3, the other end of the resistor R11 is connected with one fixed end of an adjustable resistor RP1, the other fixed end of the adjustable resistor RP1 is connected with one end of a capacitor C1, the base of the triode Q1 is connected with the negative electrode of a polar capacitor C9, the other end of the capacitor C1 and the emitter of the triode Q1 are respectively connected with an adjusting end of the adjustable resistor RP1, the collector of the triode Q1 is connected with the base of the triode Q3, the emitter of the triode Q3 is connected with the positive electrode of the polar capacitor C9, and the emitter of the triode Q3 outputs +6V voltage; the first voltage conversion circuit comprises an operational amplifier U1B, a collector of a triode Q4 is connected with one end of a resistor R6, the other end of a resistor R6 is connected with one end of a resistor R7, one end of a resistor R8 and a non-inverting input end of an operational amplifier U1B, an inverting input end of the operational amplifier U1B is connected with one end of a capacitor C10, one end of a resistor R18 and one end of a resistor R17, the other end of the resistor R17 is connected with an anode of a diode D3, a cathode of the diode D3 is connected with one end of an adjustable resistor RP3, the other end of the adjustable resistor RP3 is connected with the other end of the resistor R3, one end of the resistor R3, an output end of the operational amplifier U1 3 and the other end of the resistor R3, the other end of the resistor R3 is connected with a base of a PNP type triode Q3 and a base of an NPN type triode Q3, an emitter of the triode Q3 is connected with one end of the, The negative electrode of the polar capacitor C19, one end of the capacitor C15 and one end of the capacitor C8 are connected, the positive electrode of the polar capacitor C19 is connected with the negative electrode of the diode D6 and the other end of the capacitor C15, the other end of the resistor R10 and the positive electrode of the diode D6 are respectively connected with +6V voltage, the other end of the capacitor C15 generates +5V voltage, one end of the capacitor C15 generates a power supply VSS, the other end of the capacitor C8 and the negative electrode of the polar capacitor C11 are both connected with the positive electrode of the diode D5, the other end of the capacitor C8 generates-5V voltage, and the negative electrode of the polar capacitor C9, the other end of the capacitor C10, the other end of the resistor R8, the other end of the capacitor C2, the emitter of.
In order to further realize code modulation of a load signal and a battery voltage signal, the code modulation circuit comprises a modulation and demodulation chip U1 and a modulation and demodulation chip U2, a pin 5 and a pin 6 of a wiring terminal CN2 are connected together, a pin 3 and a pin 4 of a wiring terminal CN2 are connected together, a pin 5 of a wiring terminal CN2 is connected with a pin 5 of a wiring terminal CN1, a pin 3 of a wiring terminal CN2 is connected with a pin 3 of a wiring terminal CN1, a pin 6 of a wiring terminal CN2 is connected with one end of a resistor R11, the other end of the resistor R11 is connected with one end of a capacitor C7 and a comparison input end VIN of a modulation and demodulation chip U1, the REF end of the modulation and demodulation chip U2 is connected with one end of a fuse resistor R12 and one end of a capacitor C8; pin 3 of the connection terminal CN2 is connected to one end of the resistor R9, the other end of the resistor R9 is connected to one end of the capacitor C5 and the comparison input terminal VIN of the modem chip U1, and both the frequency output terminal FOUT of the modem chip U2 and the frequency output terminal FOUT of the modem chip U3 are connected to the wireless transmission circuit.
In order to further realize the power supply of the data receiver, the second voltage conversion circuit comprises a voltage stabilizing chip U4 and a +24V voltage connecting resistor R1, the other end of the resistor R1 is connected with the anode of a diode D1, the cathode of a diode D1 is connected with a power supply VDD, the anode of an active capacitor C1, one end of a capacitor C5 and the input end of a voltage stabilizing chip U4, the output end of the voltage stabilizing chip U4 is connected with one end of a resistor R6 and one end of a capacitor C6, the other end of a resistor R6 is connected with the anode of a diode D4, the cathode of a diode D4 is connected with the anode of a light emitting diode L2, and the cathode of an active capacitor C1, the other end of a capacitor C5, the ground end of a voltage stabilizing chip U4, the other end of a capacitor C6 and the cathode of the.
In order to realize the output of the demodulated load signal and the battery voltage signal, the decoding demodulation circuit outputs the decoded load signal through a pin 3 of a connecting terminal, the decoding demodulation circuit outputs the decoded battery voltage signal through a pin 6 of the connecting terminal, the output amplification circuit comprises an operational amplifier U5A and an operational amplifier U5B, the pin 3 of the connecting terminal is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of a resistor R5 and the non-inverting input end of an operational amplifier U5A, the pin 6 of the connecting terminal is connected with one end of a resistor R7, the other end of the resistor R7 is connected with one end of a resistor R4 and the non-inverting input end of the operational amplifier U5B, the other end of the resistor R5 and the other end of the resistor R4 are both connected with the cathode of a diode D4, the anode of the diode D4 is connected with the inverting input end of the operational amplifier U5A, the inverting input end, the output connecting resistance R9 one end of operational amplifier U5A, triode Q1's base is connected to the resistance R9 other end, and operational amplifier U5B's output connecting resistance R10 one end, triode Q2's base is connected to the resistance R10 other end, and triode Q1's collecting electrode and triode Q2's collecting electrode are connected to the power VCC, and triode Q1's projecting pole and triode Q2's projecting pole will be the signal output after enlargiing, realize the load detection of sucker rod.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Fig. 2 is a circuit diagram of a code modulation circuit according to the present invention.
Fig. 3 is a circuit diagram of the data receiver of the present invention.
Fig. 4 is a circuit diagram of a power supply circuit of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The device for wirelessly detecting the load of the sucker rod comprises a wireless transmitter, wherein the wireless transmitter comprises a load sensor and a signal processing unit, the load sensor sends a collected load signal to the signal processing unit, and the signal processing unit processes the received load signal and sends the processed load signal out through a wireless transmitting circuit; the data receiver receives the processed data signal sent by the wireless transmitting circuit to realize the detection of the load signal; and the power supply circuit supplies power to the wireless transmitter and the data receiver.
Wherein the signal processing unit comprises a pre-amplifying circuit, a coding modulation circuit and a timing circuit, the data receiver comprises a wireless receiving circuit, the load signal that the load sensor sent is amplified by the preamplification circuit, the load signal and the battery voltage signal which are amplified by the preamplification circuit are coded and modulated by the coding modulation circuit, the signal which is modulated by the coding modulation circuit is transmitted by the wireless transmitting circuit, the signal which is transmitted by the wireless transmitting circuit is received by the wireless receiving circuit and is transmitted to the decoding demodulation circuit, the load signal and the battery voltage signal are decoded by the decoding demodulation circuit, the signal which is decoded is received by the output amplification circuit and is amplified, and the signal which is amplified by the output amplification circuit is the load signal which can be received and transmitted to the external control equipment.
In order to further realize the amplification processing of the load signal detected by the load sensor, the preamplifier circuit comprises an adjustable resistor RP3, two fixed ends of the adjustable resistor are respectively connected with +5V and-5V voltages, two signal output ends of the load sensor are respectively connected with one ends of a resistor R22 and a resistor R23, a resistor R22 is connected with an adjusting end of an adjustable resistor RP3, the other end of the resistor R22 is connected with a resistor R21, a capacitor C13 and a non-inverting input end of an operational amplifier U2A, the other ends of a resistor R21 and a capacitor C13 are connected with one end of a resistor R23, the other end of the resistor R23 is connected with one end of a resistor R24, one end of a capacitor C42 and an inverting input end of an operational amplifier U2 5928, an output end of the operational amplifier U3A is connected with one end of a resistor R26, the other end of a resistor R24 and the other end of a capacitor C14, the other end of a resistor R26 is connected with one end of a non-inverting, the other end of the resistor R20 is connected with one end of an adjustable resistor RP4, the other end of the adjustable resistor RP4 is connected with one end of a capacitor C16, one end of a resistor R25 and the inverting input end of an operational amplifier U2B, and the output end of the operational amplifier is connected with the other end of a resistor R25, the other end of the capacitor C16, a pin 5 and a pin 6 of a wiring terminal CN 1.
In order to further realize the control of the data processing emission interval, the timing circuit comprises a debugging socket, a power supply VCC is connected with the anode of the debugging socket, the cathode of the debugging socket is connected with the cathode of a pole capacitor C5, the cathode of a pole capacitor C12, one end of a resistor R1, the anode of a diode D1 and the inverting input end of an operational amplifier U1A, the cathode of a diode D1 is connected with one end of a resistor R14, one end of a resistor R1 is connected with one end of a resistor R13, the operational amplifier U1A is connected with the other end of a resistor R14, the other end of a resistor R13, one end of a resistor R3 and one end of a resistor R5, the other end of the resistor R3 is connected with one end of a resistor R2, one end of a resistor R4 and the non-inverting input end of an operational amplifier U1A, the other end of the resistor R5 is connected with the base of a PNP type triode Q5, the power supply VCC is also connected with the anode of a pole capacitor C5, the anode of a resistor R5 and one, the other end of the resistor R15 is connected with the cathode of a voltage-stabilizing diode D4, the anode of the voltage-stabilizing diode D4 is connected with one end of a resistor R19, the anode of a polar capacitor C20, a pin 3 and a pin 4 of a connecting terminal CN2, the other end of the capacitor C7 and the other end of the resistor R2 are grounded, the other end of the resistor R19 and the cathode of the polar capacitor C20 are respectively connected with a power supply VSS, and a pin 1 and a pin 2 of the connecting terminal CN2 are connected with VSS.
In order to further realize the power supply of the signal processing unit, the power supply circuit comprises a power supply circuit, a voltage stabilizing circuit, a first voltage conversion circuit and a second voltage conversion circuit, the power supply circuit comprises a solar panel, the anode of the solar panel is connected with the anode of an anti-reverse diode D2, the cathode of the anti-reverse diode D2 is connected with one end of a safety resistor R12, and the other end of the safety resistor R12 is connected with the anode of a battery; the voltage stabilizing circuit comprises a resistor R11, one end of a collector connecting resistor R11 of a triode Q4 is connected with a collector of an NPN type triode Q3, the other end of the resistor R11 is connected with one fixed end of an adjustable resistor RP1, the other fixed end of an adjustable resistor RP1 is connected with one end of a capacitor C1, the base of the triode Q1 is connected with the negative electrode of a polar capacitor C9, the other end of a capacitor C1 and the emitter of a triode Q1 are respectively connected with the adjusting end of an adjustable resistor RP1, the collector of the triode Q1 is connected with the base of a triode Q3, the emitter of the triode Q3 is connected with the positive electrode of the polar capacitor C9, and the emitter of the triode Q3 outputs +6V voltage; the first voltage conversion circuit comprises an operational amplifier U1B, a collector of a triode Q4 is connected with one end of a resistor R6, the other end of a resistor R6 is connected with one end of a resistor R7, one end of a resistor R8 and a non-inverting input end of an operational amplifier U1B, an inverting input end of the operational amplifier U1B is connected with one end of a capacitor C10, one end of a resistor R18 and one end of a resistor R18, the other end of the resistor R18 is connected with an anode of a diode D18, a cathode of the diode D18 is connected with one end of an adjustable resistor RP 18, the other end of the adjustable resistor RP 18 is connected with the other end of the resistor R18, one end of the resistor R18, an output end of the operational amplifier U1 18 and the other end of the resistor R18, the other end of the resistor R18 is connected with a base of a PNP type triode Q18 and a base of an NPN type triode Q18, an emitter of the triode Q18 is connected with one end of the collector of the capacitor C, One end of a capacitor C15 and one end of a capacitor C8, the anode of a polar capacitor C19 is connected with the cathode of a diode D6 and the other end of a capacitor C15, the other end of a resistor R10 and the anode of a diode D6 are respectively connected with +6V voltage, the other end of a capacitor C15 generates +5V voltage, one end of a capacitor C15 generates power supply VSS, the other end of a capacitor C8 and the cathode of a polar capacitor C11 are both connected with the anode of a diode D5, the other end of a capacitor C8 generates-5V voltage, the cathode of a polar capacitor C9, the other end of a capacitor C10, the other end of a resistor R8, the other end of a capacitor C2, the emitter of a triode Q5 and the cathode of a diode.
In order to further realize the code modulation of the load signal and the battery voltage signal, the code modulation circuit comprises a modulation and demodulation chip U1 and a modulation and demodulation chip U2, a pin 5 and a pin 6 of a connection terminal CN2 are connected together, a pin 3 and a pin 4 of a connection terminal CN2 are connected together, a pin 5 of a connection terminal CN2 is connected with a pin 5 of a connection terminal CN1, a pin 3 of a connection terminal CN2 is connected with a pin 3 of a connection terminal CN1, a pin 6 of a connection terminal CN2 is connected with one end of a resistor R11, the other end of a resistor R11 is connected with one end of a capacitor C7 and a comparison input end VIN of a modulation and demodulation chip U1, a REF end of a modulation and demodulation chip U2 is connected with one end of a safety resistor R12 and one end of a capacitor C8, the other end of the capacitor C7 and the other end of the capacitor C8 are both grounded, the safety resistor; pin 3 of the connection terminal CN2 is connected to one end of the resistor R9, the other end of the resistor R9 is connected to one end of the capacitor C5 and the comparison input terminal VIN of the modem chip U1, and both the frequency output terminal FOUT of the modem chip U2 and the frequency output terminal FOUT of the modem chip U3 are connected to the wireless transmission circuit.
In order to further realize the power supply of the data receiver, the second voltage conversion circuit comprises a voltage stabilizing chip U4, a +24V voltage is connected with one end of a resistor R1, the other end of the resistor R1 is connected with the anode of a diode D1, the cathode of a diode D1 is connected with a power supply VDD, the anode of a polar capacitor C1, one end of a capacitor C5 and the input end of a voltage stabilizing chip U4, the output end of the voltage stabilizing chip U4 is connected with one end of a resistor R6 and one end of a capacitor C6, the other end of a resistor R6 is connected with the anode of a diode D4, the cathode of a diode D4 is connected with the anode of a light emitting diode L2, and the cathode of the polar capacitor C1, the other end of the capacitor C5, the grounding end of the voltage stabilizing chip U4, the other; the decoding demodulation circuit outputs a decoded load signal through a pin 3 of a connecting terminal, the decoding demodulation circuit outputs a decoded battery voltage signal through a pin 6 of the connecting terminal, the output amplification circuit comprises an operational amplifier U5A and an operational amplifier U5B, the pin 3 of the connecting terminal is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of a resistor R5 and the non-inverting input end of an operational amplifier U5A, the pin 6 of the connecting terminal is connected with one end of a resistor R7, the other end of the resistor R7 is connected with one end of a resistor R4 and the non-inverting input end of the operational amplifier U5B, the other end of the resistor R5 and the other end of a resistor R4 are both connected with the negative electrode of a diode D4, the positive electrode of a diode D4 is connected with the inverting input end of the operational amplifier U5A, the inverting input end of the operational amplifier U5B and one end of a capacitor C4, the output end, the output end of the operational amplifier U5B is connected with one end of a resistor R10, the other end of the resistor R10 is connected with the base electrode of a triode Q2, a power supply VCC is connected with the collector electrode of the triode Q1 and the collector electrode of the triode Q2, and the emitter electrode of the triode Q1 and the emitter electrode of the triode Q2 output amplified signals to external control equipment, so that the load detection of the sucker rod is realized.
In the invention, a solar sucker rod load wireless transmitting unit is arranged at the joint of a polished rod of a pumping unit and a sucker rod, and a data receiving unit is arranged on a control cabinet of the pumping unit; the wireless transmitting circuit, the wireless receiving circuit, the lithium battery module and the decoding and demodulating circuit are all in the prior art, and a specific circuit structure diagram is not provided in the application; the ground terminal in fig. 4 is the same as the ground terminal in fig. 1; the solar battery charges the lithium battery module through the anti-reverse diode D2 and the safety insurance resistor R12, and the on-off output power VCC of the switch is controlled by detecting the voltage of the battery; in the figure 1, the +5V and the-5V are voltage values relative to VSS, the grounding end and the VSS end in the figure 2 are the same, CN2 is externally connected with a wireless transmitting circuit, CN4 is externally connected with a wireless receiving circuit and a decoding and demodulating circuit, a current limiting circuit is arranged in a lithium battery module, a load sensor measures the lifting load of the sucker rod in real time, a signal generated by an internal strain gage is amplified by a placing and amplifying circuit, the signal amplified by the placing and amplifying circuit is output to a coding and modulating circuit, a battery voltage signal is transmitted to the coding and modulating circuit through R15, D4, R19 and C20 in sequence, the working time and the sleep time of a rear-stage circuit are controlled through Q4, a voltage stabilizing circuit composed of Q1, Q3 and the like provides a +6V voltage, the voltage converting circuit converts the +6V voltage into a +/-5V voltage relative to VSS, and provides power for the load sensor and; in fig. 2, the load signal and the battery voltage signal are encoded into a frequency conversion modulation signal by an encoding modulation circuit and transmitted by a wireless transmitting circuit externally connected to CN5, the wireless receiving circuit receives the signal transmitted by the wireless transmitting circuit, the wireless receiving circuit transmits the received signal to a decoding demodulation circuit, the decoding demodulation circuit decodes the load signal and the battery voltage signal, and the load signal and the battery voltage signal are provided to a control device after passing through an output amplifying circuit, so as to realize the detection of the battery voltage signal of the load signal; the invention can be applied to the communication work of petroleum drilling.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts based on the disclosed technical solutions, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a wireless detection device of sucker rod load which characterized in that: comprises that
The wireless transmitter comprises a load sensor and a signal processing unit, the load sensor sends a collected load signal to the signal processing unit, and the signal processing unit processes the received load signal and sends the processed load signal out through a wireless transmitting circuit;
the data receiver receives the processed data signal sent by the wireless transmitting circuit to realize the detection of the load signal;
a power circuit that supplies power to the wireless transmitter and the data receiver;
the signal processing unit comprises a timing circuit, the timing circuit comprises a debugging socket, a power supply VCC is connected with the anode of the debugging socket, the cathode of the debugging socket is connected with the cathode of a pole capacitor C5, the cathode of a pole capacitor C12, one end of a resistor R1, the anode of a diode D1 and the inverting input end of an operational amplifier U1A, the cathode of a diode D1 is connected with one end of a resistor R14, one end of a resistor R1 is connected with one end of a resistor R13, the operational amplifier U1A is connected with the other end of a resistor R14, the other end of a resistor R13, one end of a resistor R3 and one end of a resistor R5, the other end of the resistor R3 is connected with one end of a resistor R2, one end of a resistor R4 and the non-inverting input end of an operational amplifier U1A, the other end of the resistor R5 is connected with the base of a PNP triode Q4, the power supply VCC is also connected with the anode of a pole capacitor C695, the collector of the triode Q4 is connected with one end of a capacitor C7 and one end of a resistor R15, the other end of the resistor R15 is connected with the cathode of a voltage stabilizing diode D4, the anode of the voltage stabilizing diode D4 is connected with one end of a resistor R19, the anode of a capacitor C20, a pin 3 and a pin 4 of a wiring terminal CN2, the other end of the capacitor C7 and the other end of the resistor R2 are grounded, the other end of the resistor R19 and the cathode of the capacitor C20 are respectively connected with a power supply VSS, and a pin 1 and a pin 2 of the wiring terminal CN2 are connected with VSS.
2. The device of claim 1, wherein the device comprises: the signal processing unit also comprises a preamplification circuit and a coding modulation circuit, the data receiver comprises a wireless receiving circuit, a decoding demodulation circuit and an output amplification circuit, the load signal that the load sensor sent is amplified to the preamplifier circuit, load signal and battery voltage signal after the preamplifier circuit is amplified to the code modulation circuit, the signal after the wireless transmitting circuit modulates the code modulation circuit modulation goes out, the signal that the wireless receiving circuit received and was transmitted by the wireless transmitting circuit sends the signal received to the demodulation circuit that decodes, the demodulation circuit that decodes load signal and battery voltage signal, the signal after the output amplifier circuit received the decoding and carries out the amplification processing, the signal after the output amplifier circuit amplification is for transmitting the load signal that can receive to external control equipment.
3. The device of claim 2, wherein the device comprises: the preamplifier circuit comprises an adjustable resistor RP3, two fixed ends of the adjustable resistor are respectively connected with +5V and-5V voltages, two signal output ends of a load sensor are respectively connected with one ends of a resistor R22 and a resistor R23, a resistor R22 is connected with an adjusting end of an adjustable resistor RP3, the other end of a resistor R22 is connected with a resistor R21, a capacitor C13 and a non-inverting input end of an operational amplifier U2A, the other ends of a resistor R21 and a capacitor C13 are connected with one end of a resistor R23, the other end of a resistor R23 is connected with one end of a resistor R24, one end of a capacitor C14 and an inverting input end of an operational amplifier U2A, an output end of an operational amplifier U3A is connected with one end of a resistor R26, the other end of the resistor R24 and the other end of the capacitor C24, the other end of the resistor R24 is connected with one end of the non-inverting input end of the capacitor C24 and the non-inverting input end of the, the other end of the adjustable resistor RP4 is connected with one end of a capacitor C16, one end of a resistor R25 and the inverting input end of an operational amplifier U2B, and the output end of the operational amplifier is connected with the other end of a resistor R25, the other end of a capacitor C16, a pin 5 and a pin 6 of a wiring terminal CN 1.
4. The device of claim 3, wherein the device comprises: the power supply circuit comprises a power supply circuit, a voltage stabilizing circuit, a first voltage conversion circuit and a second voltage conversion circuit, wherein the power supply circuit comprises a solar panel, the anode of the solar panel is connected with the anode of a reverse diode D2, the cathode of the reverse diode D2 is connected with one end of a safety resistor R12, and the other end of the safety resistor R12 is connected with the anode of a battery; the voltage stabilizing circuit comprises a resistor R11, wherein a collector of the triode Q4 is connected with one end of a resistor R11 and a collector of an NPN triode Q3, the other end of the resistor R11 is connected with one fixed end of an adjustable resistor RP1, the other fixed end of the adjustable resistor RP1 is connected with one end of a capacitor C1, the base of the triode Q1 is connected with the negative electrode of a polar capacitor C9, the other end of the capacitor C1 and the emitter of the triode Q1 are respectively connected with an adjusting end of the adjustable resistor RP1, the collector of the triode Q1 is connected with the base of the triode Q3, the emitter of the triode Q3 is connected with the positive electrode of the polar capacitor C9, and the emitter of the triode Q3 outputs +6V voltage; the first voltage conversion circuit comprises an operational amplifier U1B, a collector of a triode Q4 is connected with one end of a resistor R6, the other end of a resistor R6 is connected with one end of a resistor R7, one end of a resistor R8 and a non-inverting input end of an operational amplifier U1B, an inverting input end of the operational amplifier U1B is connected with one end of a capacitor C10, one end of a resistor R18 and one end of a resistor R17, the other end of the resistor R17 is connected with an anode of a diode D3, a cathode of the diode D3 is connected with one end of an adjustable resistor RP3, the other end of the adjustable resistor RP3 is connected with the other end of the resistor R3, one end of the resistor R3, an output end of the operational amplifier U1 3 and the other end of the resistor R3, the other end of the resistor R3 is connected with a base of a PNP type triode Q3 and a base of an NPN type triode Q3, an emitter of the triode Q3 is connected with one end of the, The negative electrode of the polar capacitor C19, one end of the capacitor C15 and one end of the capacitor C8 are connected, the positive electrode of the polar capacitor C19 is connected with the negative electrode of the diode D6 and the other end of the capacitor C15, the other end of the resistor R10 and the positive electrode of the diode D6 are respectively connected with +6V voltage, the other end of the capacitor C15 generates +5V voltage, one end of the capacitor C15 generates a power supply VSS, the other end of the capacitor C8 and the negative electrode of the polar capacitor C11 are both connected with the positive electrode of the diode D5, the other end of the capacitor C8 generates-5V voltage, and the negative electrode of the polar capacitor C9, the other end of the capacitor C10, the other end of the resistor R8, the other end of the capacitor C2, the emitter of.
5. The device of claim 4, wherein the device comprises: the coding modulation circuit comprises a modulation and demodulation chip U1 and a modulation and demodulation chip U2, a pin 5 and a pin 6 of a wiring terminal CN2 are connected together, a pin 3 and a pin 4 of a wiring terminal CN2 are connected together, a pin 5 of a wiring terminal CN2 is connected with a pin 5 of a wiring terminal CN1, a pin 3 of a wiring terminal CN2 is connected with a pin 3 of a wiring terminal CN1, a pin 6 of a wiring terminal CN2 is connected with one end of a resistor R11, the other end of the resistor R11 is connected with one end of a capacitor C7 and a comparison input end VIN of a modulation and demodulation chip U1, a REF end of the modulation and demodulation chip U2 is connected with one end of a safety resistor R12 and one end of a capacitor C8, and the other; pin 3 of the connection terminal CN2 is connected to one end of the resistor R9, the other end of the resistor R9 is connected to one end of the capacitor C5 and the comparison input terminal VIN of the modem chip U1, and both the frequency output terminal FOUT of the modem chip U2 and the frequency output terminal FOUT of the modem chip U3 are connected to the wireless transmission circuit.
6. The device of claim 4, wherein the device comprises: the second voltage conversion circuit comprises a voltage stabilizing chip U4, a +24 voltage connecting resistor R1, a resistor R1, a diode D1, a diode D1, a power supply VDD, an anode of an active capacitor C1, one end of a capacitor C5 and an input end of a voltage stabilizing chip U4, an output end of the voltage stabilizing chip U4 is connected with one end of a resistor R6 and one end of a capacitor C6, the other end of the resistor R6 is connected with an anode of a diode D4, a cathode of the diode D4 is connected with an anode of a light emitting diode L2, and a cathode of the active capacitor C1, the other end of the capacitor C5, a ground terminal of the voltage stabilizing chip U4, the other end of the capacitor C6 and a cathode of the light emitting diode L2 are all grounded.
7. The device of claim 6, wherein the device comprises: the decoding demodulation circuit outputs a decoded load signal through a pin 3 of a connecting terminal, the decoding demodulation circuit outputs a decoded battery voltage signal through a pin 6 of the connecting terminal, the output amplification circuit comprises an operational amplifier U5A and an operational amplifier U5B, the pin 3 of the connecting terminal is connected with one end of a resistor R8, the other end of the resistor R8 is connected with one end of a resistor R5 and a non-inverting input end of an operational amplifier U5A, the pin 6 of the connecting terminal is connected with one end of a resistor R7, the other end of the resistor R7 is connected with one end of a resistor R4 and a non-inverting input end of an operational amplifier U5B, the other end of the resistor R5 and the other end of the resistor R4 are both connected with a negative electrode of a diode D4, an anode of the diode D4 is connected with an inverting input end of the operational amplifier U5A, an inverting input end of the operational amplifier U5B and one end of a capacitor C4, the other end of the resistor R9 is connected with the base electrode of the triode Q1, the output end of the operational amplifier U5B is connected with one end of the resistor R10, the other end of the resistor R10 is connected with the base electrode of the triode Q2, the power VCC is connected with the collector electrode of the triode Q1 and the collector electrode of the triode Q2, the emitter electrode of the triode Q1 and the emitter electrode of the triode Q2 output amplified signals, and load detection of the sucker rod is achieved.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714847A (en) * | 2013-12-31 | 2014-04-09 | 广州市花都区中山大学国光电子与通信研究院 | DSP (digital signal processing)-based multi-channel digital audio processor |
| CN104243233A (en) * | 2014-09-05 | 2014-12-24 | 重庆工商职业学院 | Audio signal automatic detection method and system based on IP data |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2357154Y (en) * | 1997-07-18 | 2000-01-05 | 陈虹 | Wireless loading displacement integrated sensor for primary instrument |
| US6952129B2 (en) * | 2004-01-12 | 2005-10-04 | Ememory Technology Inc. | Four-phase dual pumping circuit |
| CN1924742A (en) * | 2006-09-14 | 2007-03-07 | 上海江润石油科技有限公司 | Pumping unit detection and control terminal |
| CN101661282A (en) * | 2008-08-27 | 2010-03-03 | 威海新隆德电气有限公司 | Wireless intelligent oil engine energy-saving control equipment |
| CN101509372A (en) * | 2009-03-24 | 2009-08-19 | 北京雅丹石油技术开发有限公司 | Jack well power display instrument |
-
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- 2019-05-21 CN CN201910423111.6A patent/CN110047263B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714847A (en) * | 2013-12-31 | 2014-04-09 | 广州市花都区中山大学国光电子与通信研究院 | DSP (digital signal processing)-based multi-channel digital audio processor |
| CN104243233A (en) * | 2014-09-05 | 2014-12-24 | 重庆工商职业学院 | Audio signal automatic detection method and system based on IP data |
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