CN201045618Y - Pumping unit polish rod acceleration displacement sensor - Google Patents
Pumping unit polish rod acceleration displacement sensor Download PDFInfo
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- CN201045618Y CN201045618Y CNU200720023552XU CN200720023552U CN201045618Y CN 201045618 Y CN201045618 Y CN 201045618Y CN U200720023552X U CNU200720023552X U CN U200720023552XU CN 200720023552 U CN200720023552 U CN 200720023552U CN 201045618 Y CN201045618 Y CN 201045618Y
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Abstract
The utility model relates to a pumping unit polished rod acceleration and displacement sensor belonging to a sensor for measuring the acceleration and the displacement, which comprises an acceleration chip and a control circuit. A microprocessor in the control circuit is respectively connected with the acceleration chip, a timer, a memory, a nonvolatile data memory, a radio communication chip, a USB communication chip, a programming interface and a power plug. Two oscillators are connected with the microprocessor. The timer, the radio communication chip and the USB communication chip are respectively connected with the one oscillator. A power conversion chip is connected with the power plug. The programming interface is connected with the microprocessor. The utility model adopts the acceleration chip to measure the acceleration of the up-and-down motion of the polished rod and the control circuit does the quadratic integration of the acceleration signals to be the polished rod displacement data for forming an indicator diagram. Thereby, the utility model not only has high measurement precision, realizes the long-time on-line measurement and the radio data transmission, and is easy and safe to operate and applicable to the bad field environment, but also has advanced technology, notable benefits and high application value.
Description
(1) technical field
The utility model relates to oil pumper and recovers the oil from oil well, also relates to the sensor of measuring acceleration and displacement, particularly is a kind of oil-extractor polish-rod acceleration displacement transducer.
(2) background technology
Oil pumper is the oil field machinery oil major equipment, and oil-well pump of oil well is grasped by measuring indicator diagram in the duty of down-hole.Load-position diagram is exactly up and down in the one-period of vertical movement, to be horizontal ordinate with the relative well head moving displacement of polished rod amount at oil-extractor polish-rod, is ordinate with the load of corresponding each location point polished rod, and the plane closed curve that forms.So the polished rod displacement is the important parameter that forms load-position diagram.Existing traditional polished rod displacement method for testing is that a mechanical type displacement transducer is installed on the outstanding device that shakes of oil-extractor polish-rod, and the lower end of displacement transducer backguy hangs on the well head.When polished rod moved upward, backguy was pulled out from sensor, and the potentiometer that drives simultaneously in the sensor just changes; When polished rod moved downward, the wind spring of sensor was regained backguy, drove the potentiometer counter-rotating in the sensing simultaneously.In the periodic process that pumps, the displacement of polished rod is converted into electrical quantity by potentiometer.Its major defect is: the backguy wearing and tearing are easily broken, can't carry out long-term on-line measurement; The use range is limited, and is inapplicable at the oil well more than 7 meters to the oil pumper stroke; Its physical construction can't adapt to abominable field environment, and is very fragile.Patent documentation by retrieval, have six pieces a little less than relevant documents, wherein have three pieces relevant with the measurement pumping-unit workdone graphic, the patent No. is respectively 03215559.X, 02254542.5,97243548.4.The most basic difference of these documents and the utility model is that displacement transducer is inequality, and its data acquisition and processing section are also different.
(3) summary of the invention
The purpose of this utility model just is the innovation development, a kind of distinguished oil-extractor polish-rod acceleration displacement transducer is provided.Acceleration when adopting integrated acceleration chip to measure polished rod to move up and down is handled the acquisition displacement data by microprocessor to acceleration signal again, and combines with the oil pumper load data and form load-position diagram.Thereby overcome many shortcomings of above-mentioned mechanical type displacement transducer.
Above-mentioned purpose is realized by following technical proposals:
Oil-extractor polish-rod acceleration displacement transducer comprises housing, acceleration chip and control circuit.Acceleration chip and control circuit all are contained on the interior printed circuit board (PCB) of housing.It is characterized in that control circuit is made up of microprocessor, timer, storer, non-volatile data memory, wireless communication chips, usb communication chip, electric conversion chip, five crystal oscillators, DLL (dynamic link library), USB socket and attaching plugs.The relevant therewith respectively acceleration chip of microprocessor, timer, storer, non-volatile data memory, wireless communication chips, usb communication chip, DLL (dynamic link library) are connected with attaching plug.There are two crystal oscillators to be connected with microprocessor.Each is connected timer, wireless communication chips and usb communication chip with a crystal oscillator.Power conversion chip is connected with attaching plug.DLL (dynamic link library) is connected with microprocessor.
Acceleration chip in the above-mentioned oil-extractor polish-rod acceleration displacement transducer is selected integrated acceleration chip for use, and model is the ADXL105 type.
Microprocessor in the above-mentioned oil-extractor polish-rod acceleration displacement transducer control circuit is selected embedded microprocessor for use, and model is MSP430 F148 or MSP430 F149 type.
Wireless communication chips in the above-mentioned oil-extractor polish-rod acceleration displacement transducer control circuit is selected the short-range bluetooth radio communication chip for use, model nRF401 type.
Timer in the above-mentioned oil-extractor polish-rod acceleration displacement transducer control circuit is selected the PCF8563 type for use.Storer is selected the W24L257 type for use.Non-volatile data memory is selected the AT45DB081 type for use.The usb communication chip is selected the FT232BM type for use.
According to the oil-extractor polish-rod acceleration displacement transducer that technique scheme manufactures, be placed on polished rod or the outstanding device that shakes, do upper and lower periodic motion with polished rod.Record the polished rod acceleration in upper and lower when motion by the acceleration chip, carry out the quadratic integral computing by control circuit again, obtain the displacement data of each point, and with the displacement data of each point and corresponding oil pumper load letter data in conjunction with the formation load-position diagram.
Owing to adopted integrated acceleration chip to measure the polished rod acceleration signal, and overcome many shortcomings of above-mentioned stay-supported sensor.Owing to adopted embedded microprocessor that acceleration is carried out quadrature conversion, and formed displacement data, overcome many drawbacks of changing with potentiometer.Therefore measuring accuracy is much improved.In addition, can also realize the transmission of long-term on-line measurement and data wireless, automaticity also is much improved, and operates easier and safety.Since adopted the full electronic sensor, thus be not subjected to the restriction of oil pumper stroke size, and can adapt to abominable field environment, longer service life.Its technology is advanced, and economic benefit and obvious social benefit have popularizing application prospect.
(4) description of drawings
Accompanying drawing 1 is that synoptic diagram is used in installation of the present utility model.
Accompanying drawing 2 is that circuit of the present utility model is formed and the annexation block scheme.
Accompanying drawing 3 is circuit diagrams of the present utility model.
(5) embodiment
Embodiment of accompanying drawings:
By shown in Figure 1, the utility model is installed on the oil-extractor polish-rod when using or hangs on the device that shakes.
By shown in Figure 2, the utility model is made up of acceleration chip U8 and control circuit.Control circuit is made up of microprocessor U1 (CPU), timer U5, random data storer (abbreviation storer) U7, non-volatile data memory U6, Bluetooth wireless communication chip U10, usb communication chip U12, power conversion chip U9, five crystal oscillators (abbreviation crystal oscillator) U2, U3, U4, U11 and U13, DLL (dynamic link library) J1, USB plug J5 and attaching plug J2, J3, J4.Microprocessor U1 (CPU) is connected with attaching plug J2 with acceleration chip U8, timer U5, storer U7, non-volatile data memory U6, wireless communication chips U10, usb communication chip U12, DLL (dynamic link library) J1 respectively, crystal oscillator U2 (8MHZ) is connected with microprocessor U1 with U3 (32.768KHZ), for it provides oscillator signal.Timer U5, wireless communication chips U10 and usb communication chip U12, each is connected with U13 (6MHZ) with a crystal oscillator U4 (32.768KHZ), U11 (4MHZ), and oscillator signal is provided respectively.Power conversion chip U9 is connected with attaching plug J2, J4.DLL (dynamic link library) J1 is connected with microprocessor U1 (CPU).
By shown in Figure 3, the circuit diagram as an embodiment is perfectly clear, has intactly shown the utility model circuit composition and annexation, needn't give unnecessary details.
The principle of work and the course of work are: as shown in Figure 2, acceleration chip U8 at first is converted into voltage signal with the acceleration of the upper and lower motion of oil-extractor polish-rod, and microprocessor U1 (CPU) number is sent in this northwestward.Timer U5 produced a look-at-me in per 1/64 second and sends into microprocessor U1.Microprocessor U1 carries out the A/D conversion by the acceleration signal of regularly U8 being imported, and random data and short-time load data are deposited among the storer U7.The load-position diagram data that microprocessor U1 will finally record are sent among the non-volatile data memory U6.The wireless signal that Bluetooth wireless communication chip U10 sends external host is sent into microprocessor U1, and the answer signal of microprocessor U1 is sent, and for example the load-position diagram data among the U6 is sent to external host.J5 is a USB plug, and U12 links to each other with the usb communication chip, U12 links to each other with microprocessor U1 again, has realized communicating by letter of this sensor and outer PC.Anode is inserted by plug J3, and attachment plug J2, J2 are output as system then provides+the 3.6V working power.J2 output+the 3.6V power supply sends into electric pressure converter U9, and U9 output+5V power supply is sent by plug J4, powers for outside load transducer.The signal of load transducer is sent into microprocessor U1 via J4, forms the necessary master data of load-position diagram as U1.DLL (dynamic link library) J1 is used for microprocessor U1 and writes and update routine.
Claims (5)
1. oil-extractor polish-rod acceleration displacement transducer, comprise housing, acceleration chip and control circuit, acceleration chip and control circuit all are contained on the interior printed circuit board (PCB) of housing, it is characterized in that control circuit is by microprocessor (U1), timer (U5), random data storer (U7), non-volatile data memory (U6), wireless communication chips (U10), usb communication chip (U12), power conversion chip (U9), five crystal oscillator (U2, U3, U4, U11, U13), DLL (dynamic link library) (J1), USB plug (J5) and attaching plug (J2, J3, J4) form, microprocessor (U1) respectively with acceleration chip (U8), timer (U5) random data storer (U7), non-volatile data memory (U6), wireless communication chips (U10), usb communication chip (U12), DLL (dynamic link library) (J1) is connected with attaching plug (J2), crystal oscillator (U2, U3) be connected with microprocessor (U1), timer (U5), wireless communication chips (U10) and usb communication chip (U12), each and a crystal oscillator (U4, U11 and U13) be connected, power conversion chip (U9) and attaching plug J2, J4 connects, and DLL (dynamic link library) (J1) is connected with microprocessor (U1).
2. oil-extractor polish-rod acceleration displacement transducer according to claim 1 is characterized in that acceleration chip (U8) selects integrated acceleration chip for use, and model is the ADXL105 type.
3. oil-extractor polish-rod acceleration displacement transducer according to claim 1 is characterized in that microprocessor (U1) selects embedded microprocessor for use, and model is MSP430F148 or MSP430F149 type.
4. oil-extractor polish-rod acceleration displacement transducer according to claim 1 is characterized in that wireless communication chips (U10) selects the short-range bluetooth radio communication chip, and model is the nRF401 type.
5. oil-extractor polish-rod acceleration displacement transducer according to claim 1, it is characterized in that timer (U5) selects the PCF8563 type for use, storer (U7) is selected the W24L257 type for use, and non-volatile data memory (U6) is selected the AT45DB081 type for use, and usb communication chip (U12) is selected the FT232BM type for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720023552XU CN201045618Y (en) | 2007-06-09 | 2007-06-09 | Pumping unit polish rod acceleration displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720023552XU CN201045618Y (en) | 2007-06-09 | 2007-06-09 | Pumping unit polish rod acceleration displacement sensor |
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| Publication Number | Publication Date |
|---|---|
| CN201045618Y true CN201045618Y (en) | 2008-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720023552XU Expired - Fee Related CN201045618Y (en) | 2007-06-09 | 2007-06-09 | Pumping unit polish rod acceleration displacement sensor |
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| Country | Link |
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| CN (1) | CN201045618Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100595542C (en) * | 2008-11-26 | 2010-03-24 | 上海神开石油化工装备股份有限公司 | Apparatus for testing load and acceleration |
| CN103573252A (en) * | 2013-11-05 | 2014-02-12 | 上海理工大学 | Wireless indicator, wireless indicator system and indicator diagram measuring method thereof |
| CN104697481A (en) * | 2015-01-06 | 2015-06-10 | 中国石油大学(华东) | Device and method for measuring suspension center displacement of pumping unit based on three-axis acceleration sensor |
| CN106767617A (en) * | 2016-12-22 | 2017-05-31 | 陈曦 | Beam pumping unit polished rod displacement transducer and method based on acceleration analysis |
| CN110206514A (en) * | 2019-06-27 | 2019-09-06 | 北京讯腾智慧科技股份有限公司 | Beam-pumping unit jig frequency regulating system and method |
-
2007
- 2007-06-09 CN CNU200720023552XU patent/CN201045618Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100595542C (en) * | 2008-11-26 | 2010-03-24 | 上海神开石油化工装备股份有限公司 | Apparatus for testing load and acceleration |
| CN103573252A (en) * | 2013-11-05 | 2014-02-12 | 上海理工大学 | Wireless indicator, wireless indicator system and indicator diagram measuring method thereof |
| CN104697481A (en) * | 2015-01-06 | 2015-06-10 | 中国石油大学(华东) | Device and method for measuring suspension center displacement of pumping unit based on three-axis acceleration sensor |
| CN106767617A (en) * | 2016-12-22 | 2017-05-31 | 陈曦 | Beam pumping unit polished rod displacement transducer and method based on acceleration analysis |
| CN106767617B (en) * | 2016-12-22 | 2019-03-19 | 陈曦 | Beam pumping unit polished rod displacement sensor and method based on acceleration analysis |
| CN110206514A (en) * | 2019-06-27 | 2019-09-06 | 北京讯腾智慧科技股份有限公司 | Beam-pumping unit jig frequency regulating system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080409 Termination date: 20100609 |