CN202329893U - Wireless testing sensor of pumping unit indicator diagram - Google Patents
Wireless testing sensor of pumping unit indicator diagram Download PDFInfo
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- CN202329893U CN202329893U CN2011204439147U CN201120443914U CN202329893U CN 202329893 U CN202329893 U CN 202329893U CN 2011204439147 U CN2011204439147 U CN 2011204439147U CN 201120443914 U CN201120443914 U CN 201120443914U CN 202329893 U CN202329893 U CN 202329893U
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Abstract
A wireless testing sensor of a pumping unit indicator diagram comprises a sensor main base body, a load collecting stress body, a connection base body groove, a shielding-free electric box and a main electric circuit board. A load collecting stress body chamber is arranged on the sensor main base body, a sealing member is arranged on the opening portion of the load collecting stress body chamber, the load collecting stress body is arranged in the load collecting stress body chamber, the lower end of the load collecting stress body is fixed, the upper end of the load collecting stress body is respectively in sealing connection with the sensor main base body, the connection base body groove is arranged at the right end of the sensor main base body, the sensor main base body is connected with the connection base groove, the shielding-free electric box is inserted into the connection base body groove and connected with the connection base body groove, the main electric circuit board is vertically arranged in the shielding-free electric box and connected with an input wiring end and an output wiring end corresponding to the load collecting stress body, a battery base is arranged in the shielding-free electric box, and a battery is electrically connected with the main electric circuit board. The wireless testing sensor of the pumping unit indicator diagram is simple in structure, convenient to demount and high in measuring accuracy, greatly improves reliability of the system, and reduces installation and maintenance cost.
Description
Technical field
The utility model belongs to oil well low voltage experiment field, relates to a kind of indicator diagram testing device, particularly a kind of pumping-unit workdone graphic wireless test sensor.
Background technology
At present in the low voltage experiment of oil field; Accomplish merit figure test and need testing load and two groups of data of displacement; And the method that oilfield test displacement is now generally adopted is to rotate multiturn potentiometer with displacement line through displacement mechanism, thereby its resistance method that changes electric signal that changes is measured.This method has that displacement mechanism assembling is complicated, dismounting and troublesome maintenance, in test process the disconnected easily shortcoming such as take off of displacement line, and be not suitable for long-time open-air continuous working, can't satisfy the requirement that load-position diagram detects automatically.In order to overcome many shortcomings that the sensor exposes; For satisfying the requirement of load-position diagram remote supervision system, each elephant generally adopts the load sensor of split and angular displacement sensor to measure load and angular displacement respectively, and load sensor is installed on the oil-extractor polish-rod poliched rod eye; Angular displacement sensor is installed in walking beam rotating shaft place; The output signal of the two is connected on the acquisition system through cable, owing to have long stube cable, and cable does not stop to move up and down with the oil pumper head; Therefore failure rate is higher, and is higher to sensor installation and cabling construction requirement.
The utility model content
The purpose of the utility model; Provide a kind of pumping-unit workdone graphic wireless test sensor; Cancelled the stay-supported displacement mechanism, with the quadratic integral algorithm measurement polished rod displacement of acceleration signal, whole machine using low power consumption design and wireless communication technique; Can adapt to long-time field work, satisfy the requirement of remote detecting system.
The technical scheme that adopts is:
A kind of pumping-unit workdone graphic wireless test sensor comprises sensor master matrix, load collection response body, connects matrix groove, unshielded electrical box and main electric circuit plate;
The middle part of sensor master matrix offers two loads and gathers the response body chambers, and two loads are gathered response body chamber oral areas and are respectively arranged with seal, and two loads are gathered response body and are separately positioned on two loads to gather response bodies indoor; The lower end of two load collection response bodies is used screw-driving respectively; The upper end is tightly connected through seal and sensor master matrix respectively, and the right-hand member of sensor master matrix is provided with and connects the matrix groove, sensor master matrix be connected the matrix groove and pass through the bolt connection; And sensor master matrix is provided with first seal gasket with being connected between the matrix groove; Unshielded electrical box is inserted and is connected in the matrix groove and is connected the connection of matrix groove inside, and wherein, unshielded electrical box is provided with second seal gasket with being connected between the matrix groove; Main electric circuit plate is installed in the desired location in the unshielded electrical box; And main electric circuit plate vertically is provided with, and guarantees that acceleration transducer collects correct acceleration signal, and the signal input on the main electric circuit plate, output terminal are gathered the corresponding signal output of response body, input end through the corresponding connection of cable with load; Desired location in the unshielded electrical box is provided with battery tray; The two ends of battery tray are fixed on the unshielded electrical box lid of unshielded electrical box right-hand member setting, and battery is installed in the battery tray, and battery and main electric circuit plate are electrically connected;
Above-mentioned main electric circuit plate (see figure 3) comprises single-chip microcomputer, power management module, load amplifying circuit, acceleration transducer, wireless communication module; The single-chip microcomputer model is C8051F500; The acceleration sensor chip model is ADXL345; The wireless communication module model is SM63; It is TPS 2013 that power management module is selected the chip model for use; The input of power management module and wireless communication module, output terminal corresponding interface are connected with output, the input end corresponding interface of single-chip microcomputer respectively, the output terminal corresponding interface of load amplifying circuit and acceleration sensor chip respectively with corresponding connection of input end corresponding interface of single-chip microcomputer, on wireless communication module, be connected with antenna;
The outer wall of unshielded electrical box is provided with the utility model when installing at the scene on rod-pumped well overarm device towards the direction of arrow 13.
The course of work:
Sensor clip between oil pumper poliched rod eye and polished rod along with polished rod pumps; Acceleration transducer converts the acceleration of polished rod motion to digital signal and is connected with single-chip microcomputer through the SPI interface; The per 10 milliseconds of generations of single-chip microcomputer timer once interrupt reading acceleration signal and load signal; Carry out integral operation after the data of 2 ~ 3 strokes of test, obtain displacement, form required merit diagram data with the load data of synchronism detection by acceleration information; The load of a last stroke of intercepting, the merit figure graph data point that displacement data obtains required test upload to well head RTU through wireless communication module after test is accomplished and accomplish whole test process.
Main control board is the core cell of native system, and system adopts the high-energy battery power supply, and high-energy battery is connected with PCB socket through lead-in wire, after connect resettable fuse, for circuit board provides power supply.Single-chip microcomputer is the core devices of whole main control board; For guaranteeing the target of single battery powered system continuous firing more than 1 year; Total system must be carried out the design of low-power consumption, for this single-chip microcomputer of selecting for use has high-performance and low in power consumption concurrently, under holding state, gets into dormant state; Consume very little electric current; Other peripheral chip is then managed through power management device (model is TPS2013), under the control of single-chip microcomputer pin, is switched on or switched off, and realizes the low-power consumption work under the system standby state.
The acceleration signal processing unit is the core cell of this sensor; ADXL345 is 3 digitizings output acceleration transducers, have ± 2g is to the range of ± 16g, and it directly is connected with single-chip microcomputer SPI interface; Save the amplification filtering link, increased the precision and the reliability of system.Because acceleration signal is very little; And polished rod moves up and down and has certain disturbing factors such as vibrations in the process; Common integral algorithm is difficult to the accuracy requirement of assurance system, has therefore carried out a large amount of optimization in the integral algorithm design and has improved, and has guaranteed the accurate test of load-position diagram.Radio communication unit adopts the communication module (model is SM63) of 433MHz to carry out data transmission; Reliable communicating distance under the oil well complex electromagnetic environments reaches 100 meters; Communication speed 9600bps; And can dynamically arrange frequency to avoid phase mutual interference, guarantee reliable data transmission with other system.Wireless communication module regularly wakes work up, is arranged on the low-power consumption dormant state when not working, and has guaranteed the long-term work of battery.
Reach repeatedly site test through further investigation, develop a kind of integrated wireless indicator, the integrated wireless indicator adopts load, acceleration transducer, wireless telecommunications integrated design; Adopt the displacement of acceleration quadratic integral algorithm computation oil-extractor polish-rod, volume is little, and installation and maintenance is simple; The acceleration analysis and the load sensor of integrated wireless load-position diagram sensor are combined, and only need be installed in the test that can accomplish load-position diagram between the polished rod poliched rod eye to sensor, do not need extra cable to connect and the cabling construction; Be fit to the abominable environment for use in oil field, test circuit adopts low power dissipation design, is in the dormancy holding state at ordinary times; Work by the RTU timing wake-up; Realized the long-term on-line measurement of load-position diagram, benefit is better, and good application and popularization value is arranged.
The advantage of the utility model is:
The utlity model has simple in structure, convenient disassembly, fully phased out loaded down with trivial details displacement mechanical mechanism; The measuring accuracy requirement that touches the mark; Improved the reliability of system greatly; Greatly reduce and install and maintenance cost, realized the long-term on-line measurement of load-position diagram, good application and popularization value is arranged.
Description of drawings
Fig. 1 is the structure cross-sectional schematic of a kind of embodiment of the utility model.
Fig. 2 is the vertical view synoptic diagram of the utility model.
Fig. 3 is the main electric circuit partitioned signal flow direction structure block diagram of the utility model.
Fig. 4 is the software flow pattern of the utility model.
Embodiment
A kind of pumping-unit workdone graphic wireless test sensor comprises sensor master matrix 1, load collection response body 2, connects matrix groove 6, unshielded electrical box 8 and main electric circuit plate 9;
The middle part of sensor master matrix 1 offers two loads and gathers response body chamber 14; Two collection response body chamber 14 oral areas of loading are respectively arranged with 3, two load collections of seal response body 2 and are separately positioned in two load collection response body chambers 14, and two lower ends of gathering response bodies 2 of loading are used screw-driving respectively; The upper end is tightly connected through seal 3 and sensor master matrix 1 respectively; The right-hand member of sensor master matrix 1 is provided with and connects matrix groove 6, sensor master matrix 1 with is connected matrix groove 6 and passes through the bolt connection, and sensor master matrix 1 is provided with first seal gasket 5 with being connected between the matrix groove 6; Unshielded electrical box 8 is inserted and is connected in the matrix grooves 6 and is connected the connection of matrix groove inside; Wherein, unshielded electrical box 8 is provided with second seal gasket 7 with being connected between the matrix groove 6, and main electric circuit plate 9 is installed in the desired location in the unshielded electrical box 8; And main electric circuit plate 9 vertically is provided with; Signal input on the main electric circuit plate 9, output terminal pass through cable 4 corresponding connections with two collection response bodies 2 corresponding signals output, input ends of loading, and the desired locations in the unshielded electrical box 8 are provided with battery tray 11, and the two ends of battery tray 11 are fixed on the unshielded electrical box lid 16 of unshielded electrical box 8 right-hand members setting; Battery 12 is installed in the battery tray 11, and battery 12 is electrically connected with main electric circuit plate 9;
Above-mentioned main electric circuit plate (see figure 3) comprises single-chip microcomputer 17, power management module 18, load amplifying circuit 19, acceleration sensor chip 20, wireless communication module 15; Single-chip microcomputer 17 models are C8051F500; Acceleration sensor chip 20 models are ADXL345; Wireless communication module 15 models are SM63; It is TPS 2013 that power management module 18 is selected the chip model for use; The input of power management module 18 and wireless communication module 15, output terminal corresponding interface are connected with output, the input end corresponding interface of single-chip microcomputer 17 respectively, the output terminal corresponding interface of load amplifying circuit 19 and acceleration sensor chip 20 respectively with corresponding connection of input end corresponding interface of single-chip microcomputer 17, on wireless communication module 15, be connected with antenna 10.
The integrated wireless indicator is made up of load sensor, housing, main control board, communication module, rechargeable battery and sun power pole plate; Main control board is made up of single-chip microcomputer, load amplifying circuit, acceleration sensor chip, storer etc.; Single-chip microcomputer is gathered load, acceleration two paths of signals in real time; Quadratic integral algorithm through to acceleration obtains the polished rod shift value; The corresponding synthetic load-position diagram data with load value of shift value behind the integration are uploaded to well head RTU through wireless communication module, realize the remote monitoring of load-position diagram.
Acceleration quadratic integral algorithm:
Select the ADXL345 acceleration transducer for use; Directly
amount output is connected through the SPI interface with single-chip microcomputer.
Formula during computing velocity: v (t)==(we are 0 with first time that begins to gather
; V (t) curve that record this moment is because a
or the influence of t are the curves that upwards tilts gradually downwards; In order to eliminate the influence of a
; Adopted the method for the slope value of calculating v (t) envelope of curve line to calculate a
value; Substitution following formula then; With carrying out integration behind a (t)-a (0) more again, this moment speed v ' (t) curve just puts.
Because the just variable quantity that we consider should not considered the influence of a (0), so v ' is the rate curve of actual change (t), initial value is V0.
Formula during the computing velocity displacement: s (t)=
=
+V0*t; Still there are the problems referred to above; Still adopt said method to handle; The result be exactly the displacement physical quantity s ' that changed (t); V ' (t); We get the datum line of the intermediate value of their maximums, minimum value for them, carry out integration then respectively.
In computation process, end product s ' value (t) is exactly a displacement curve.
Software is realized:
At first degree of will speed up raw data acquisition is to array; Then acceleration information is carried out integration formation speed curve one time, because the reference value of getting during to integration of accelerating curve is the minimax intermediate value of acceleration, it has certain error with true reference value; The curve that such integration goes out has just become to have the class sinusoidal curve of certain slope value; For this curve is set level, we need obtain integrated curve flex point envelope slope up and down, then the slope value conversion are adapted to the initial baseline value of an integration; Again through new reference value to an accelerating curve integration again, what draw like this is exactly one and has been tending towards parallel sinusoidal curve.In like manner; To integrated curve carry out quadratic integral also be earlier with the intermediate value of the maximin of an integration data as the initial baseline value; Need obtain quadratic integral curve flex point envelope slope up and down behind the quadratic integral equally; The initial baseline value is revised, and to integrated curve quadratic integral again, what draw is the displacement magnitude of physical quantity after the conversion with revised reference value.
Claims (2)
1. a pumping-unit workdone graphic wireless test sensor comprises sensor master matrix (1), load collection response body (2), connects matrix groove (6), unshielded electrical box (8) and main electric circuit plate (9);
The middle part of sensor master matrix (1) offers two loads and gathers response body chamber (14); Two loads are gathered response body chamber (14) oral area and are respectively arranged with seal (3); Two loads are gathered response body (2) and are separately positioned in two load collection response body chambers (14); The lower end of two load collection response bodies (2) is used screw-driving respectively; The upper end is tightly connected through seal (3) and sensor master matrix (1) respectively; The right-hand member of sensor master matrix (1) is provided with and connects matrix groove (6), sensor master matrix (1) with is connected matrix groove (6) and passes through the bolt connection, and sensor master matrix (1) is provided with first seal gasket (5) with being connected between the matrix groove (6); Unshielded electrical box (8) insert to connect in the matrix groove (6) and is connected the connection of matrix groove inside; Wherein, unshielded electrical box (8) is provided with second seal gasket (7) with being connected between the matrix groove (6), and main electric circuit plate (9) is installed in the desired location in the unshielded electrical box (8); And main electric circuit plate (9) vertically is provided with; Main electric circuit plate (9) is gone up the signal input, output terminal passes through the corresponding connection of cable (4) with two corresponding signal output, input ends of the collection response bodies (2) of loading, and the desired location in the unshielded electrical box (8) is provided with battery tray (11), and the two ends of battery tray (11) are fixed on the unshielded electrical box lid (16) of unshielded electrical box (8) right-hand member setting; Battery (12) is installed in the battery tray (11), and battery (12) is electrically connected with main electric circuit plate (9).
2. a kind of pumping-unit workdone graphic wireless test sensor according to claim 1; It is characterized in that: main electric circuit plate comprises single-chip microcomputer (17), power management module (18), load amplifying circuit (19), acceleration sensor chip (20), wireless communication module (15); Single-chip microcomputer (17) model is C8051F500; Acceleration sensor chip (20) model is ADXL345; Wireless communication module (15) model is SM63; It is TPS 2013 that power management module (18) is selected the chip model for use; The input of power management module (18) and wireless communication module (15), output terminal corresponding interface are connected with output, the input end corresponding interface of single-chip microcomputer (17) respectively, the output terminal corresponding interface of load amplifying circuit (19) and acceleration sensor chip (20) respectively with corresponding connection of input end corresponding interface of single-chip microcomputer (17), on wireless communication module (15), be connected with antenna (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204439147U CN202329893U (en) | 2011-11-11 | 2011-11-11 | Wireless testing sensor of pumping unit indicator diagram |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204439147U CN202329893U (en) | 2011-11-11 | 2011-11-11 | Wireless testing sensor of pumping unit indicator diagram |
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| CN202329893U true CN202329893U (en) | 2012-07-11 |
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| CN2011204439147U Expired - Lifetime CN202329893U (en) | 2011-11-11 | 2011-11-11 | Wireless testing sensor of pumping unit indicator diagram |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364122A (en) * | 2013-08-11 | 2013-10-23 | 蚌埠日月电子科技有限责任公司 | Indicator diagram collector of pumping well |
| CN104807580A (en) * | 2015-04-22 | 2015-07-29 | 高志亮 | Integrated wireless indicator diagram sensor |
| CN103604404B (en) * | 2013-12-03 | 2017-01-25 | 大连圣力来监测技术有限公司 | Acceleration signal measurement displacement method based on numerical integration |
| CN106595460A (en) * | 2016-12-22 | 2017-04-26 | 西安交通大学 | Beam pumping unit polished rod displacement sensor |
| CN106873582A (en) * | 2015-11-04 | 2017-06-20 | 罗伯特·博世有限公司 | Garden sensor device |
| CN108151934A (en) * | 2017-12-26 | 2018-06-12 | 贵州航天凯山石油仪器有限公司 | A kind of load transducer elastomeric components sealing structure |
| CN108981990A (en) * | 2018-07-25 | 2018-12-11 | 中国石油天然气股份有限公司 | Indicator |
| CN109040047A (en) * | 2018-07-25 | 2018-12-18 | 中国石油天然气股份有限公司 | Indicator card data compression, transmission method and device |
| CN111207864A (en) * | 2020-03-15 | 2020-05-29 | 成都智创利源科技有限公司 | Integrated solar wireless power indicator |
-
2011
- 2011-11-11 CN CN2011204439147U patent/CN202329893U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364122A (en) * | 2013-08-11 | 2013-10-23 | 蚌埠日月电子科技有限责任公司 | Indicator diagram collector of pumping well |
| CN103364122B (en) * | 2013-08-11 | 2015-05-20 | 蚌埠日月电子科技有限责任公司 | Indicator diagram collector of pumping well |
| CN103604404B (en) * | 2013-12-03 | 2017-01-25 | 大连圣力来监测技术有限公司 | Acceleration signal measurement displacement method based on numerical integration |
| CN104807580A (en) * | 2015-04-22 | 2015-07-29 | 高志亮 | Integrated wireless indicator diagram sensor |
| CN106873582B (en) * | 2015-11-04 | 2021-12-31 | 罗伯特·博世有限公司 | Garden sensor device |
| CN106873582A (en) * | 2015-11-04 | 2017-06-20 | 罗伯特·博世有限公司 | Garden sensor device |
| CN106595460B (en) * | 2016-12-22 | 2019-06-04 | 西安交通大学 | A kind of beam pumping unit polished rod displacement sensor |
| CN106595460A (en) * | 2016-12-22 | 2017-04-26 | 西安交通大学 | Beam pumping unit polished rod displacement sensor |
| CN108151934A (en) * | 2017-12-26 | 2018-06-12 | 贵州航天凯山石油仪器有限公司 | A kind of load transducer elastomeric components sealing structure |
| CN108981990A (en) * | 2018-07-25 | 2018-12-11 | 中国石油天然气股份有限公司 | Indicator |
| CN109040047A (en) * | 2018-07-25 | 2018-12-18 | 中国石油天然气股份有限公司 | Indicator card data compression, transmission method and device |
| CN109040047B (en) * | 2018-07-25 | 2021-03-30 | 中国石油天然气股份有限公司 | Indicator diagram data compression method and device, indicator diagram data transmission method and device, computer equipment and storage medium |
| CN111207864A (en) * | 2020-03-15 | 2020-05-29 | 成都智创利源科技有限公司 | Integrated solar wireless power indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |