CN2638310Y - Multifunctional protector for beam-pumping unit - Google Patents
Multifunctional protector for beam-pumping unit Download PDFInfo
- Publication number
- CN2638310Y CN2638310Y CN 03213692 CN03213692U CN2638310Y CN 2638310 Y CN2638310 Y CN 2638310Y CN 03213692 CN03213692 CN 03213692 CN 03213692 U CN03213692 U CN 03213692U CN 2638310 Y CN2638310 Y CN 2638310Y
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- circuit
- voltage
- mouth
- control circuit
- chip microcomputer
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- 230000001012 protector Effects 0.000 title claims abstract description 17
- 238000005086 pumping Methods 0.000 title abstract description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 4
- 230000006870 function Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000003129 oil well Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010338 mechanical breakdown Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Control Of Voltage And Current In General (AREA)
Abstract
The utility model relates to a multifunctional pumping unit protector that is used in the production process of oilfield pumping well, comprising a box body and a circuit board that is positioned in the box. The circuit system comprises five units, including a detection circuit A, a power supply and motor protection and control circuit B, a display circuit C, a wireless remote control circuit D and a wireless remote control circuit E. The protector is provided with a plurality of functions of connecting rod protection and automatic control of the pumping unit, the open-phase and over-current protection of the three-phase AC motor, no shutdown in instant failure of strong electricity, the power saving of the AC contactor, the low voltage starting and the fault alarming indication. The protector is also characterized by good stability, strong capacity of disturbance resistance, high degree of automation, swift movement, safety and reliability while in work and easy installation and maintenance, thereby being suitable to be popularized and applied.
Description
Technical field:
The utility model relates to a kind of oil pumper work automatic safety device that is used for the oil field pumping well production process.
Background technology:
Beam pumping unit is the capital equipment that domestic and international mechanical oil well is produced, because oil well condition complexity, open-air weather conditions are abominable, and oil pumper work is subject to multiple factor affecting such as Changes in weather, electric power system, mechanical breakdown, cause production accident or oil well to stop production.For preventing or reduce the generation of oil pumper fault, field by using various protectors.Yet at present the oil pumper protector of field by using exists function singleness or less mostly, job stability and poor anti jamming capability, and shortcoming and defect such as action sensitivity and reliability are lower is difficult to satisfy and guarantees the pumpingh well requirement of safe production.
Summary of the invention:
The purpose of this utility model is to provide that a kind of function is many, good stability, antijamming capability is strong, automaticity is high, safe and reliable multifunctional oil-extractor protector.
The utility model is to realize like this.This kind protector is made up of casing and the circuit board that sets within it; the casing front is provided with startup/rise key, stops/down key and setting key 3 operating keys and startups, stop, overcurrent, phase shortage, reset, 6 indicator lights such as remote control, Circuits System comprises that testing circuit is that the three-phase electricity phase shortage is judged and current peak sample circuit power supply and electric motor protecting control circuit, display circuit, radio remote control circuit, five unit of intelligence control circuit.During use, this protector is installed in the oil pumper distribution box, in the oil pumper course of work, this protector can be finished following multiple function;
(1); oil pumping machine crank connecting rod protection control automatically: when the loosening connecting rod of oil pumper handle screw is subjected to displacement; drive electronic switch; by the electricity of the high precision wireless on the oil pumper digital coding reflector signal is launched; after being arranged on protector receiving circuit in the oil pumper distribution box and receiving signal; deliver to microcontroller through a series of amplifications of internal circuit; demodulation; conformality; processing such as decoding; the pulsing control signal; Drive and Control Circuit; disconnect A.C. contactor supply line; oil pumper is in time stopped; send the indication of reporting to the police simultaneously, thereby reach the purpose of protection oil pumper.
(2), motor phase failure protection: when power supply between motor during any one electric phase shortage; the testing circuit of protector is delivered to microcontroller with detected default phase signal; send control command and drive executive circuit cut-out motor power; motor promptly shuts down; send the written instructions of reporting to the police simultaneously, thereby play the effect of whole process protection motor.
(3), the contactor economize on electricity is started with low pressure: this protector contacts the direct current supply mode that adopts; can overcome and eliminate vibration and noise in the sound iron core that exists in the original ac operation of contactor; the fragile problem of the coil heating of contactor long-time running under ac high voltage is eliminated at all; thereby improve the reliability and the useful life of contactor; save its meritorious and reactive loss in ac operation; obtain tangible power savings, and can low pressure starting under the 220V situation.
(4), motor overcurrent protection: when the protector test side detects current signal when surpassing set point and being added to some cycles; by comparing amplifying element driving executive circuit cut-out motor power motor is shut down; play a protective role, send the indication of reporting to the police simultaneously.
(5), the forceful electric power instantaneous power failure is not shut down: because this protector has the forceful electric power instantaneous power failure and do not shut down function, stop the generation of well phenomenon thereby can effectively avoid descending moment to trip at bad weathers such as wind, rain, snow.
Control, three-phase alternating-current motor phase shortage and overcurrent protection, forceful electric power instantaneous power failure are not shut down automatically, A.C. contactor economizes on electricity and low pressure starting and fault alarm indication etc. are multi-functional to the utlity model has the protection of oil pumper connecting rod; and have good stability, antijamming capability is strong, automaticity is high, be active in one's movements, characteristics such as safe and reliable, convenient for installation and maintenance, be suitable for and apply.
Description of drawings: accompanying drawing is that circuit of the present utility model constitutes, the operation principle schematic diagram.
Embodiment: enforcement of the present utility model is described further below in conjunction with accompanying drawing.
As shown in the figure, the utility model Circuits System is by testing circuit A, power supply and electric motor protecting control circuit B, display circuit C, radio remote control circuit D and intelligence control circuit E form, each circuit constitute and work to pass the relation of connecing as follows: testing circuit A by voltage ratio than integrated circuit LM339, rectifier diode D1-D6, voltage-stabiliser tube Z1-Z3 and relevant Resistor-Capacitor Unit are formed, by 1 of single-chip microcomputer P1 mouth, 3,5 ends input three-phase alternating current mutual voltage, lead up to rectifier diode D1, D2, send into voltage ratio after the D3 rectification than integrated circuit LM339, output CRN-A, CRN-B, CRN-C sends into microprocessor CPU; The LM331 voltage frequency conversioning circuit is sent into by output terminals A-OUT after by rectifier diode D4, D5, D6 rectification in another road, sends into microprocessor CPU then.Power supply and electric motor protecting control circuit B are by power transformer PB380V 5W rectifier diode D9-D14, protection diode D7, D8, voltage-stabiliser tube Z4, relay J 1, J2, Darlington chip for driving SN75451, regulator block LM7805,7806 reach relevant Resistor-Capacitor Unit forms, by 1 of single-chip microcomputer P2 mouth, 2 ends input 380V alternating voltage, lead up to and send into each interlock circuit behind power transformer step-down and the rectifying and voltage-stabilizing, another road by after the rectifier diode D9 halfwave rectifier as the startup power supply of external contactor, external contactor meets 3 of P2,4 ends, its low-voltage power supply end is D10; Input control end 1,6 pin of Darlington chip for driving SN75451 are by OUT1, the OUT2 control of microprocessor CPU, thus the break-make of control relay J1, J2.Radio remote control circuit D is made up of transmitter module (placing in the oil pumper connecting rod launch-box) and receiver module, and wherein, 2,5,6 ends of receiver T2038CK module are sent into microprocessor CPU by C-COM, C-0N, the C-OFF terminal of Schmidt's reverser 74LS14.Intelligence control circuit E is made up of microprocessor CPU (being AT89C52), supervision chip X25045, Schmidt's reverser 74LS14, ic lm331 and the relevant resistance element that holds, integrated circuit LM33 and relevant Resistor-Capacitor Unit convert current/voltage to pulse signal through electric voltage frequency and deliver to the microprocessor count input, 7 pin of LM331 are voltage input end, 3 pin are that frequency goes out end, monitor that chip X2504 has electrification reset, power supply monitoring and watchdog function, and an EEPRON memory space is arranged, can carry out power down protection to significant data; Microprocessor CPU is the core of whole system, three phase mains pulse frequency after AT89C52 will change and each phase signals status signal are handled in real time, show by display unit, and send signal for the supervisory keyboard unit, the control of realization system by output interface.Display circuit C is made up of terminal MCOM1, MCOM2, MCOM3, eight d type flip flop 74LS374, resistance flowing resistance R35-R42, light-emitting diode L1-16 and the relevant resistance element that holds of single-chip microcomputer, RP4 mouth pin 13 (MCOM1), pin 12 (MCOM2), pin 11 (MCOM3) by single chip computer AT 89C52 provide a route selection to charactron, RP4 mouth P16-P17 by eight d type flip flop 74LS374 to the route selection of the charactron section of providing; The brightness of the resistance tunable integers sign indicating number pipe by changing resistance flowing resistance R35-R42; The negative electrode of light-emitting diode L1-L6 is received together, provides public select lines by the P3 mouth pin 10 (MCOM4) of single chip computer AT 89C52, and the light-emitting diodes tube anode meets 74LS374, and single-chip microcomputer is by each light-emitting diode of software control gating whether; Single-chip microcomputer P1, P3 mouth are connected to the row of drawing resistance R P3 and RP4 respectively, in order to realizing the driving force and the level match of pin, on the row of drawing resistance R P2 receive the P2 mouth of single-chip microcomputer, public termination+5V power supply; Capacitor C 2, C6, C10, C11 make filtering usefulness, prevent to block processing in order to keyboard.
Claims (1)
1, a kind of multifunctional oil-extractor protector, form by casing and the circuit board that sets within it, it is characterized in that, Circuits System comprises testing circuit A, power supply and electric motor protecting control circuit B, radio remote control circuit D display circuit C, five unit of intelligence control circuit E, wherein, testing circuit A by voltage ratio than integrated circuit LM339, rectifier diode D1-D6, voltage-stabiliser tube Z1-Z3 and relevant Resistor-Capacitor Unit are formed, by 1 of single-chip microcomputer P1 mouth, 3,5 ends input three-phase alternating current mutual voltage, lead up to rectifier diode D1, D2, send into voltage ratio after the D3 rectification than integrated circuit LM339, output CRN-A, CRN-B, CRN-C sends into microprocessor CPU, another road is by rectifier diode D4, D5, send into the LM331 voltage frequency conversioning circuit by output terminals A-OUT after the D6 rectification, send into microprocessor CPU then; Power supply and electric motor protecting control circuit B are by power transformer PB380V5W, rectifier diode D9-D14, protection diode D7, D8 voltage-stabiliser tube Z4, relay J 1, J2, Darlington chip for driving SN75451, regulator block LM7805,7806 reach relevant Resistor-Capacitor Unit forms, by 1 of single-chip microcomputer P2 mouth, 2 ends input 380V alternating voltage, lead up to and send into each interlock circuit behind power transformer step-down and the rectifying and voltage-stabilizing, another road by after the rectifier diode D9 halfwave rectifier as the startup power supply of external contactor, external contactor meets 3 of P2,4 ends, its low-voltage power supply end is D10, the input control end 1 of Darlington chip for driving SN75451,6 pin are by the OUT1 of microprocessor CPU, OUT2 control, thereby control relay J1, the break-make of J2; Display circuit C is by the terminal MCOM1 of single-chip microcomputer, MCOM2, MCOM3, eight d type flip flop 74LS374, resistance flowing resistance R35-R42, light-emitting diode L1-L6 and the relevant resistance element that holds are formed, RP4 mouth pin 13 by single-chip microcomputer, pin 12, pin 11 provides a route selection to charactron, RP4 mouth P10-P17 by eight d type flip flop 74LS374 to the route selection of the charactron section of providing, the negative electrode of light-emitting diode L1-L6 is received together, provide public select lines by single-chip microcomputer P3 mouth pin 10, the light-emitting diodes tube anode meets 74LS374, single-chip microcomputer is by each light-emitting diode of software control gating whether, single-chip microcomputer P1 mouth, the P2 mouth, the P3 mouth is connected to the row of drawing resistance R P3 respectively, RP4 and RP2; Radio remote control circuit D is made up of transmitter module and receiver module, and 2,5,6 ends of receiver T2038CK module are sent into microprocessor CPU by C-COM, C-ON, the C-OFF terminal of Schmidt's reverser 74LS14; Intelligence control circuit E is made up of microprocessor CPU, supervision chip X25045, Schmidt's reverser 74LS14, ic lm331 and the relevant resistance element that holds, ic lm331 and relevant appearance resistance element convert current/voltage to pulse signal through electric voltage frequency and deliver to the microprocessor counter input, three phase mains pulse signal after microprocessor CPU will be changed is handled by display unit in real time and is shown, and send signal by output interface to control unit, the control of realization system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03213692 CN2638310Y (en) | 2003-06-19 | 2003-06-19 | Multifunctional protector for beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03213692 CN2638310Y (en) | 2003-06-19 | 2003-06-19 | Multifunctional protector for beam-pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2638310Y true CN2638310Y (en) | 2004-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03213692 Expired - Fee Related CN2638310Y (en) | 2003-06-19 | 2003-06-19 | Multifunctional protector for beam-pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2638310Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409553B (en) * | 2008-11-20 | 2010-12-08 | 四川和芯微电子股份有限公司 | Phase delay line structure |
-
2003
- 2003-06-19 CN CN 03213692 patent/CN2638310Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409553B (en) * | 2008-11-20 | 2010-12-08 | 四川和芯微电子股份有限公司 | Phase delay line structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |