CN204609870U - A kind of well testing data logger - Google Patents
A kind of well testing data logger Download PDFInfo
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- CN204609870U CN204609870U CN201520296280.5U CN201520296280U CN204609870U CN 204609870 U CN204609870 U CN 204609870U CN 201520296280 U CN201520296280 U CN 201520296280U CN 204609870 U CN204609870 U CN 204609870U
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Abstract
The utility model discloses a kind of well testing data logger, comprise micro controller module and power supply, and outer clock circuit, FLASH memory cell and the communication interface circuit to connect with micro controller module, the output of micro controller module is connected to control indicator lamp, and the input of micro controller module is connected to the pressure signal conditioning circuit of the temperature signal regulation circuit of the data that conditioning temperature sensor circuit gathers and the data of conditioning pressure sensor circuit collection; The platinum resistance thermometer sensor, U1 that temperature sensor circuit is connected by full-bridge, resistance R16, resistance R19 and resistance R18 are formed; The resistance strain gage YB1 that pressure sensor circuit is connected by full-bridge, resistance strain gage YB2, resistance strain gage YB3 and resistance strain gage YB4 are formed, the utility model is novel in design, structure is simple, cost is low, the mode that collecting temperature data and pressure data all use full-bridge to be connected, precision is high, and measurement category is large, practical.
Description
Technical field
The utility model belongs to data acquisition technology field, is specifically related to a kind of well testing data logger.
Background technology
Well testing is a kind of operation in oilfield development process, in order to determine the special test job that capacity of well and Study In Reservoir parameter and reservoir Dynamic carry out oil well, be widely adopted in the construction of emphasis petroleum works, the current measure portion producing well of technician's meeting timing and the parameters of Injection Well, the pressure of such as oil well, temperature, the data variation amount such as produce oil and water content, monitoring oil well production situation, therefrom analyzes oil well oil reserve, makes indication to the oil mass exploration of oil; In the existing technical level stage, the variations in temperature of oil well and pressure change are two important parameters of oil well exploration, more external high-end data loggers for well testing are configured with data monitoring system at present, but mostly integrate with the well testing truck of its production, it is expensive, uses troublesome poeration.Although the data logger for well testing of some manufacturer production measures perfect in shape and function at present, but because product survey data is more, therefore there is many well testings and measure the module seldom used, a large amount of data processings causes processing accuracy low, and overall price is expensive, heavier being not easy to is carried, conventional temperature pick up adopts semiconductor thermistor, be quick on the draw, price is also cheap, the temperature variant poor linearity of resistance, increase the error of measurement, and the thermistor that the linearity is higher, price is higher and measuring tempeature scope is less, and measuring method adopts simple connection in series-parallel, this side's linearity is too poor, and it is insensitive, therefore, nowadays a kind of precision is lacked high, good stability, dependable performance, the sexual valence rate of exchange are high, and the well testing data logger that measurement category is wider, Pt1000 RTD is adopted to measure well testing temperature variation, linear good, precision is high, adopt strain gage testing well testing pressure variety, and temperature survey and pressure measxurement all adopt full-bridge connection, constant current source power supply, linear good, highly sensitive, and wireless or wired mode exchanges data can be used, be equipped with outer clock circuit simultaneously, for follow-up check the data stored in advance while check the time that corresponding data stores, there is reference value, solve existing well testing data logger bulky, price is high, certainty of measurement is low, the problems such as poor sensitivity.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of well testing data logger is provided, it is rationally novel in design, structure is simple, and cost is low, the mode that collecting temperature data and pressure data all use full-bridge to be connected, precision is high, measurement category is large, practical, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of well testing data logger, it is characterized in that: comprise micro controller module and power supply, and the outer clock circuit to connect with described micro controller module, FLASH memory cell and communication interface circuit, the output of described micro controller module is connected to control indicator lamp, the input of described micro controller module is connected to the temperature signal regulation circuit of the well testing temperature variation data for nursing one's health temperature sensor circuit collection and the pressure signal conditioning circuit for nursing one's health the well testing pressure delta data that pressure sensor circuit gathers, described micro controller module is single-chip microcomputer MSP430F149, and the platinum resistance thermometer sensor, U1 that described temperature sensor circuit is connected by full-bridge, resistance R16, resistance R19 and resistance R18 are formed, the resistance strain gage YB1 that described pressure sensor circuit is connected by full-bridge, resistance strain gage YB2, resistance strain gage YB3 and resistance strain gage YB4 are formed.
Above-mentioned a kind of well testing data logger, it is characterized in that: described outer clock circuit comprises chip DS1302, two inputs of described chip DS1302 connect with the P5.5/SMCLK pin of described single-chip microcomputer MSP430F149 and P5.7/TBOUTH pin respectively.
Above-mentioned a kind of well testing data logger, is characterized in that: described FLASH memory cell comprises chip AT45D161D.
Above-mentioned a kind of well testing data logger, is characterized in that: described communication interface circuit comprises wireless communication module, and described wireless communication module is Bluetooth wireless communication module or wireless WIFI module.
Above-mentioned a kind of well testing data logger, it is characterized in that: described communication interface circuit also comprises USB and turns serial communication modular, described USB turns serial communication modular and comprises chip CP2102, and two outputs of described chip CP2102 connect with the P3.4/UTXD0 pin of described single-chip microcomputer MSP430F149 and P3.5/URXD0 pin respectively.
Above-mentioned a kind of well testing data logger, it is characterized in that: described temperature signal regulation circuit comprises the chip U4 that model is LM324D, 3rd pin of described chip U4 connects with the link of one end of resistance R14 and one end of resistance R15, the other end of resistance R14 connects with the 7th pin of single-chip microcomputer MSP430F149, 1st pin of chip U4 connects with the link of described platinum resistance thermometer sensor, U1 and resistance R18, the link of described resistance R16 and resistance R19 connects with the 2nd pin of chip U4, 10th pin of the connection chip termination U4 of described platinum resistance thermometer sensor, U1 and resistance R16, 5th pin of the connection chip termination U4 of described resistance R18 and resistance R19, 7th pin of chip U4 exports a point two-way, one tunnel is through resistance R23 and resistance R25 ground connection, resistance R21 of separately leading up to connects with the 6th pin of chip U4, the link of resistance R23 and resistance R25 connects with the 12nd pin of chip U4, and the 14th pin of chip U4 exports a point two-way, and a road connects with the 61st pin of single-chip microcomputer MSP430F149, and another road connects the 8th pin of chip U4 through resistance R27 and resistance R24, the link of resistance R27 and resistance R24 connects with the 13rd pin of chip U4, the link of the 8th pin of resistance R24 and chip U4 is connected with the 9th pin of chip U4 by resistance R22, the link of the 6th pin of resistance R21 and chip U4 is through the link of the 9th pin of resistance R20 connecting resistance R22 and chip U4,4th pin of chip U4 connects 5V power output end, the 11st pin ground connection of chip U4.
Above-mentioned a kind of well testing data logger, is characterized in that: described platinum resistance thermometer sensor, U1 is RTD Pt1000.
Above-mentioned a kind of well testing data logger, it is characterized in that: described pressure signal conditioning circuit comprises the chip U3 that model is LM324D, 3rd pin of described chip U3 connects with the link of one end of resistance R14 and one end of resistance R15, 1st pin of chip U3 connects with the link of described resistance strain gage YB1 and resistance strain gage YB4, the link of described resistance strain gage YB3 and resistance strain gage YB2 connects with the 2nd pin of chip U3, 10th pin of the connection chip termination U3 of described resistance strain gage YB1 and resistance strain gage YB2, 5th pin of the connection chip termination U3 of described resistance strain gage YB4 and resistance strain gage YB3, 7th pin of chip U3 exports a point two-way, one tunnel is through resistance R7 and resistance R9 ground connection, resistance R5 of separately leading up to connects with the 6th pin of chip U3, the link of resistance R7 and resistance R9 connects with the 12nd pin of chip U3, and the 14th pin of chip U3 exports a point two-way, and a road connects with the 59th pin of single-chip microcomputer MSP430F149, and another road connects the 8th pin of chip U3 through resistance R10 and resistance R8, the link of resistance R10 and resistance R8 connects with the 13rd pin of chip U3, the link of the 8th pin of resistance R8 and chip U3 is connected with the 9th pin of chip U3 by resistance R6, the link of the 6th pin of resistance R5 and chip U3 is through the link of the 9th pin of resistance R4 connecting resistance R6 and chip U3,4th pin of chip U3 connects 5V power output end, the 11st pin ground connection of chip U3.
The utility model compared with prior art has the following advantages:
1, the utility model cost is low, and collecting temperature data message and pressure data information, precision is high, and the degree of accuracy is high.
2, the utility model is by set temperature sensor circuit, temperature pick up used is Pt1000, when temperature often changes 3.9 DEG C, the resistance of platinum resistance just increases by 1 Ω, temperature sensor circuit adopts full-bridge connection, one of them brachium pontis is platinum circuit Pt1000, other three brachium pontis are resistance, are converted to the change of the resistance of RTD according to the change of temperature, and set temperature signal conditioning circuit, adopt constant current source power supply, amplify process through chip LM324D, send into micro controller module, accuracy in detection is high, good stability, highly sensitive.
3, the utility model is by arranging pressure sensor circuit, pressure sensor used is resistance strain gage, adopt full-bridge connection, wherein four equal resistance strain gages of brachium pontis of full-bridge circuit, when the metallic membrane of foil gauge is stressed, resistance strain plate produces deformation simultaneously, the resistance of self changes, and arranges pressure signal conditioning circuit, just can be obtained by the value of measuring pressure by the value of measuring resistance, adopt constant current source power supply, amplify process through chip LM324D, send into micro controller module, accuracy in detection is high, good stability, highly sensitive.
4, the utility model is rationally novel in design, and volume is little, simple to operate, practical, is convenient to promote the use of.
In sum, the utility model is rationally novel in design, and structure is simple, and cost is low, the mode that collecting temperature data and pressure data all use full-bridge to be connected, and precision is high, and measurement category is large, practical, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model micro controller module.
Fig. 3 is the circuit connecting relation schematic diagram of the utility model temperature sensor circuit and temperature signal regulation circuit.
Fig. 4 is the circuit connecting relation schematic diagram of the utility model pressure sensor circuit and pressure signal conditioning circuit.
Description of reference numerals:
1-power supply; 2-micro controller module; 3-temperature sensor circuit;
4-temperature signal regulation circuit; 5-pressure sensor circuit; 6-pressure signal conditioning circuit;
7-outer clock circuit; 8-FLASH memory cell; 9-communication interface circuit;
10-control indicator lamp.
Detailed description of the invention
As depicted in figs. 1 and 2, the utility model comprises micro controller module 2 and power supply 1, and outer clock circuit 7, FLASH memory cell 8 and the communication interface circuit 9 to connect with described micro controller module 2, the output of described micro controller module 2 is connected to and controls indicator lamp 10, and the input of described micro controller module 2 is connected to the temperature signal regulation circuit 4 for nursing one's health the well testing temperature variation data that temperature sensor circuit 3 gathers and the pressure signal conditioning circuit 6 for nursing one's health the well testing pressure delta data that pressure sensor circuit 5 gathers; Described micro controller module 2 is single-chip microcomputer MSP430F149, and the platinum resistance thermometer sensor, U1 that described temperature sensor circuit 3 is connected by full-bridge, resistance R16, resistance R19 and resistance R18 are formed; The resistance strain gage YB1 that described pressure sensor circuit 5 is connected by full-bridge, resistance strain gage YB2, resistance strain gage YB3 and resistance strain gage YB4 are formed.
In the present embodiment, described outer clock circuit 7 comprises chip DS1302, and two inputs of described chip DS1302 connect with the P5.5/SMCLK pin of described single-chip microcomputer MSP430F149 and P5.7/TBOUTH pin respectively.
In the present embodiment, described FLASH memory cell 8 comprises chip AT45D161D.
In the present embodiment, described communication interface circuit 9 comprises wireless communication module, and described wireless communication module is Bluetooth wireless communication module or wireless WIFI module.
In the present embodiment, described communication interface circuit 9 also comprises USB and turns serial communication modular, described USB turns serial communication modular and comprises chip CP2102, and two outputs of described chip CP2102 connect with the P3.4/UTXD0 pin of described single-chip microcomputer MSP430F149 and P3.5/URXD0 pin respectively.
As shown in Figure 3, in the present embodiment, described temperature signal regulation circuit 4 comprises the chip U4 that model is LM324D, 3rd pin of described chip U4 connects with the link of one end of resistance R14 and one end of resistance R15, the other end of resistance R14 connects with the 7th pin of single-chip microcomputer MSP430F149, 1st pin of chip U4 connects with the link of described platinum resistance thermometer sensor, U1 and resistance R18, the link of described resistance R16 and resistance R19 connects with the 2nd pin of chip U4, 10th pin of the connection chip termination U4 of described platinum resistance thermometer sensor, U1 and resistance R16, 5th pin of the connection chip termination U4 of described resistance R18 and resistance R19, 7th pin of chip U4 exports a point two-way, one tunnel is through resistance R23 and resistance R25 ground connection, resistance R21 of separately leading up to connects with the 6th pin of chip U4, the link of resistance R23 and resistance R25 connects with the 12nd pin of chip U4, and the 14th pin of chip U4 exports a point two-way, and a road connects with the 61st pin of single-chip microcomputer MSP430F149, and another road connects the 8th pin of chip U4 through resistance R27 and resistance R24, the link of resistance R27 and resistance R24 connects with the 13rd pin of chip U4, the link of the 8th pin of resistance R24 and chip U4 is connected with the 9th pin of chip U4 by resistance R22, the link of the 6th pin of resistance R21 and chip U4 is through the link of the 9th pin of resistance R20 connecting resistance R22 and chip U4,4th pin of chip U4 connects 5V power output end, the 11st pin ground connection of chip U4.
In the present embodiment, described platinum resistance thermometer sensor, U1 is RTD Pt1000.
As shown in Figure 4, in the present embodiment, described pressure signal conditioning circuit 6 comprises the chip U3 that model is LM324D, 3rd pin of described chip U3 connects with the link of one end of resistance R14 and one end of resistance R15, 1st pin of chip U3 connects with the link of described resistance strain gage YB1 and resistance strain gage YB4, the link of described resistance strain gage YB3 and resistance strain gage YB2 connects with the 2nd pin of chip U3, 10th pin of the connection chip termination U3 of described resistance strain gage YB1 and resistance strain gage YB2, 5th pin of the connection chip termination U3 of described resistance strain gage YB4 and resistance strain gage YB3, 7th pin of chip U3 exports a point two-way, one tunnel is through resistance R7 and resistance R9 ground connection, resistance R5 of separately leading up to connects with the 6th pin of chip U3, the link of resistance R7 and resistance R9 connects with the 12nd pin of chip U3, and the 14th pin of chip U3 exports a point two-way, and a road connects with the 59th pin of single-chip microcomputer MSP430F149, and another road connects the 8th pin of chip U3 through resistance R10 and resistance R8, the link of resistance R10 and resistance R8 connects with the 13rd pin of chip U3, the link of the 8th pin of resistance R8 and chip U3 is connected with the 9th pin of chip U3 by resistance R6, the link of the 6th pin of resistance R5 and chip U3 is through the link of the 9th pin of resistance R4 connecting resistance R6 and chip U3,4th pin of chip U3 connects 5V power output end, the 11st pin ground connection of chip U3.
When the utility model uses, by power supply 1 for well testing data logger provides power supply, temperature sensor circuit 3, adopt full-bridge connection, temperature pick up used is Pt1000, when temperature often changes 3.9 DEG C, the resistance of platinum resistance just increases by 1 Ω, in the full-bridge circuit of temperature sensor circuit 3, a brachium pontis is platinum circuit Pt1000, other three brachium pontis are resistance, the change of the resistance of RTD is converted to according to the change of temperature, the variations in temperature of temperature signal regulation circuit 4 collecting temperature sensor circuit 3 induction, the chip U4 being LM324D through model amplifies process, send into micro controller module 1, simultaneously, pressure sensor circuit 5, same employing full-bridge connection, pressure sensor used is resistance strain gage, wherein four equal resistance strain gages of brachium pontis of the full-bridge circuit of pressure sensor circuit 5, when the metallic membrane of foil gauge is stressed, resistance strain plate produces deformation simultaneously, the resistance of self changes, pressure signal conditioning circuit 6 gathers the pressure change that pressure sensor circuit 5 is responded to, the chip U3 being LM324D through model amplifies process, send into micro controller module 1, gather temperature data and pressure data real-time be stored in FLASH memory cell 8, outer clock circuit 7 is in real time for the data stored provide corresponding time data, consult for subsequent reference, communication interface circuit 9 arranges wired or wireless communications mode, wired communication modes adopts USB to turn serial communication modular, USB is widely used in various kinds of equipment interface circuit due to versatility, when gathering well test data, convenient and swift, when forgetting band data wire, bluetooth or wireless WIFI mode data transmission can be adopted, reliable and stable, whether control indicator lamp 10 shows data logger work normal, highly sensitive, usability is strong.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. a well testing data logger, it is characterized in that: comprise micro controller module (2) and power supply (1), and the outer clock circuit (7) to connect with described micro controller module (2), FLASH memory cell (8) and communication interface circuit (9), the output of described micro controller module (2) is connected to and controls indicator lamp (10), the input of described micro controller module (2) is connected to the temperature signal regulation circuit (4) for nursing one's health the well testing temperature variation data that temperature sensor circuit (3) gathers and the pressure signal conditioning circuit (6) for nursing one's health the well testing pressure delta data that pressure sensor circuit (5) gathers, described micro controller module (2) is single-chip microcomputer MSP430F149, and the platinum resistance thermometer sensor, U1 that described temperature sensor circuit (3) is connected by full-bridge, resistance R16, resistance R19 and resistance R18 are formed, the resistance strain gage YB1 that described pressure sensor circuit (5) is connected by full-bridge, resistance strain gage YB2, resistance strain gage YB3 and resistance strain gage YB4 are formed.
2. according to a kind of well testing data logger according to claim 1, it is characterized in that: described outer clock circuit (7) comprises chip DS1302, two inputs of described chip DS1302 connect with the P5.5/SMCLK pin of described single-chip microcomputer MSP430F149 and P5.7/TBOUTH pin respectively.
3. according to a kind of well testing data logger according to claim 1, it is characterized in that: described FLASH memory cell (8) comprises chip AT45D161D.
4. according to a kind of well testing data logger according to claim 1, it is characterized in that: described communication interface circuit (9) comprises wireless communication module, described wireless communication module is Bluetooth wireless communication module or wireless WIFI module.
5. according to a kind of well testing data logger according to claim 4, it is characterized in that: described communication interface circuit (9) also comprises USB and turns serial communication modular, described USB turns serial communication modular and comprises chip CP2102, and two outputs of described chip CP2102 connect with the P3.4/UTXD0 pin of described single-chip microcomputer MSP430F149 and P3.5/URXD0 pin respectively.
6. according to a kind of well testing data logger according to claim 1, it is characterized in that: described temperature signal regulation circuit (4) comprises the chip U4 that model is LM324D, 3rd pin of described chip U4 connects with the link of one end of resistance R14 and one end of resistance R15, the other end of resistance R14 connects with the 7th pin of single-chip microcomputer MSP430F149, 1st pin of chip U4 connects with the link of described platinum resistance thermometer sensor, U1 and resistance R18, the link of described resistance R16 and resistance R19 connects with the 2nd pin of chip U4, 10th pin of the connection chip termination U4 of described platinum resistance thermometer sensor, U1 and resistance R16, 5th pin of the connection chip termination U4 of described resistance R18 and resistance R19, 7th pin of chip U4 exports a point two-way, one tunnel is through resistance R23 and resistance R25 ground connection, resistance R21 of separately leading up to connects with the 6th pin of chip U4, the link of resistance R23 and resistance R25 connects with the 12nd pin of chip U4, and the 14th pin of chip U4 exports a point two-way, and a road connects with the 61st pin of single-chip microcomputer MSP430F149, and another road connects the 8th pin of chip U4 through resistance R27 and resistance R24, the link of resistance R27 and resistance R24 connects with the 13rd pin of chip U4, the link of the 8th pin of resistance R24 and chip U4 is connected with the 9th pin of chip U4 by resistance R22, the link of the 6th pin of resistance R21 and chip U4 is through the link of the 9th pin of resistance R20 connecting resistance R22 and chip U4,4th pin of chip U4 connects 5V power output end, the 11st pin ground connection of chip U4.
7. according to a kind of well testing data logger according to claim 6, it is characterized in that: described platinum resistance thermometer sensor, U1 is RTD Pt1000.
8. according to a kind of well testing data logger according to claim 1, it is characterized in that: described pressure signal conditioning circuit (6) comprises the chip U3 that model is LM324D, 3rd pin of described chip U3 connects with the link of one end of resistance R14 and one end of resistance R15, 1st pin of chip U3 connects with the link of described resistance strain gage YB1 and resistance strain gage YB4, the link of described resistance strain gage YB3 and resistance strain gage YB2 connects with the 2nd pin of chip U3, 10th pin of the connection chip termination U3 of described resistance strain gage YB1 and resistance strain gage YB2, 5th pin of the connection chip termination U3 of described resistance strain gage YB4 and resistance strain gage YB3, 7th pin of chip U3 exports a point two-way, one tunnel is through resistance R7 and resistance R9 ground connection, resistance R5 of separately leading up to connects with the 6th pin of chip U3, the link of resistance R7 and resistance R9 connects with the 12nd pin of chip U3, and the 14th pin of chip U3 exports a point two-way, and a road connects with the 59th pin of single-chip microcomputer MSP430F149, and another road connects the 8th pin of chip U3 through resistance R10 and resistance R8, the link of resistance R10 and resistance R8 connects with the 13rd pin of chip U3, the link of the 8th pin of resistance R8 and chip U3 is connected with the 9th pin of chip U3 by resistance R6, the link of the 6th pin of resistance R5 and chip U3 is through the link of the 9th pin of resistance R4 connecting resistance R6 and chip U3,4th pin of chip U3 connects 5V power output end, the 11st pin ground connection of chip U3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520296280.5U CN204609870U (en) | 2015-05-09 | 2015-05-09 | A kind of well testing data logger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520296280.5U CN204609870U (en) | 2015-05-09 | 2015-05-09 | A kind of well testing data logger |
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| CN204609870U true CN204609870U (en) | 2015-09-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526318A (en) * | 2016-06-21 | 2017-12-29 | 中国十七冶集团有限公司 | A kind of Metro Deep Excavation deformation and temperature monitoring system |
| CN107808511A (en) * | 2017-11-06 | 2018-03-16 | 浙江水利水电学院 | A kind of high-temperature oil well temperature, pressure measurement storage and transmission circuit |
-
2015
- 2015-05-09 CN CN201520296280.5U patent/CN204609870U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526318A (en) * | 2016-06-21 | 2017-12-29 | 中国十七冶集团有限公司 | A kind of Metro Deep Excavation deformation and temperature monitoring system |
| CN107808511A (en) * | 2017-11-06 | 2018-03-16 | 浙江水利水电学院 | A kind of high-temperature oil well temperature, pressure measurement storage and transmission circuit |
| CN107808511B (en) * | 2017-11-06 | 2020-02-21 | 浙江水利水电学院 | High temperature oil well temperature and pressure measurement storage and transmission circuit |
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Granted publication date: 20150902 Termination date: 20160509 |