CN103867189A - Distributed type well-temperature measuring device and measuring method - Google Patents
Distributed type well-temperature measuring device and measuring method Download PDFInfo
- Publication number
- CN103867189A CN103867189A CN201410064924.8A CN201410064924A CN103867189A CN 103867189 A CN103867189 A CN 103867189A CN 201410064924 A CN201410064924 A CN 201410064924A CN 103867189 A CN103867189 A CN 103867189A
- Authority
- CN
- China
- Prior art keywords
- temperature
- ds18b20
- temperature survey
- main control
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses the technical field of measurement and monitoring of the temperature in exploration logging and particularly relates to a distributed type well-temperature measuring device and a measuring method. The distributed type well-temperature measuring device comprises a control host and a plurality of well-temperature measuring probes, wherein the well-temperature measuring probes are connected with a bus interface of the control host by a single bus; the control host comprises a storage unit, a human-machine interface unit, an RS232 communication unit and a microcontroller unit; the storage unit, the human-machine interface unit and the RS232 communication unit are respectively connected with the microcontroller unit. The distributed type well-temperature measuring device and the measuring method have the advantages that the measurement error is small, the interference resistance is strong, the design requirement of the logging probes is simple, the distributed type wiring is convenient, the cost performance is high and the use is flexible and the like.
Description
Technical field
The invention belongs to exploration logging temperature survey monitoring technique field, be specifically related to a kind of distributed temperature survey device and measuring method.
Technical background
At present, in exploration logging process, temperature survey adopts following method:
(1) in well-logging probe, encapsulate thermistor or thermocouple, then carry out temperature survey on ground by main control system, the method is implemented relatively simple, applies very extensive; But the method is subject to the impact of following several respects, cause temperature survey deviation larger: due to this mode actual measurement is temperature variant resistance, and logging cable itself is with resistance, and the resistance of logging cable is subject to the impact of the factor such as cable length, cable quality, its resistance differs, and has directly had influence on the degree of accuracy of well logging temperature; In addition, because temperature signal is transferred to main control system in the mode of analog signal, analog signal is very easily subject to the strong electromagnetic of the equipment such as external environment and construction in transmitting procedure, causes thermometric error larger.
(2) another, the cable internal resistance and the external interference problem that exist in order to eliminate first kind of way, in well-logging probe, integrated analog temperature is converted to digital temperature signal, then sends this digital temperature signal to ground main control system.This method requires the inner integrated analog to digital conversion circuit of well-logging probe, data signal repeat circuit, this directly causes well-logging probe volume excessive, when distributed temperature survey is carried out in multiple well loggings, its price is especially aobvious expensive, often less use in open well temperature measurement.
Existing temperature survey scheme or existence are subject to wiring cable internal resistance impact and cause thermometric inaccurate and be subject to external interference and cause the large problem of temperature measurement error, there is well-logging probe internal circuit complexity, the shortcoming such as bulky, expensive, be not suitable for the use in current exploration logging temperature survey monitoring field.
Summary of the invention
Object of the present invention is exactly to solve the defect that above-mentioned prior art exists, and provides a kind of antijamming capability strong, and temperature survey is accurate, the multiple well logging well of distributed measurement temperature simultaneously, measure wiring convenient, well-logging probe simplicity of design, distributed temperature survey device and measuring method that cost is low.
For achieving the above object, the distributed temperature survey device that the present invention is designed, comprises main control system and multiple temperature survey probe, and described multiple temperature survey probes are connected with the EBI of described main control system by a monobus; Described main control system comprises memory cell, human-machine interface unit, RS232 communication unit and micro controller unit, and described memory cell, human-machine interface unit, RS232 communication unit are connected with described micro controller unit respectively.
Further, described temperature survey probe is encapsulated and forms with copper pipe by digital temperature sensor, and described digital temperature sensor comprises integrated chip DS18B20, described monobus by power supply, connect and compose by bus with three lines of signal.
Further, the resistance of described temperature survey probe EBI by 4.7K Ω is by the power supply of move on the holding wire of monobus+5V, the holding wire of described monobus is connected with the input/output port of micro controller unit, and described micro controller unit comprises ARM7 processor integrated chip.
Further, described human-machine interface unit is made up of finger-impu system and liquid crystal indicator, and described finger-impu system is connected with described micro controller unit respectively with liquid crystal indicator.
Further, described non-volatile memory cells is used for recording storage real time temperature measurement data and is stored in temperature pre-warning thresholding, product information parameter.
Further, described human-machine interface unit is made up of finger-impu system and liquid crystal indicator, and finger-impu system is for parameters function, and liquid crystal indicator is for showing and estimate metrical information and display parameter information in real time.
What further, described microprogrammed control unit control program adopted is that multiple task operating system is implemented.
Further, described main control system is used for carrying out temperature pick up search and temperature acquisition task, temperature demonstration task, temperature store tasks, keyboard scan task and RS232 communication task.
The present invention also provides a kind of measuring method that adopts said apparatus to carry out measuring well temperature, it is characterized in that: comprise the following steps:
1), by human-machine interface unit allocating and measuring parameter;
2), further main control system starts temperature survey, the main control system monobus that first resets;
3), main control system further initializes integrated chip DS18B20 number counter cnt=0 in temperature survey probe;
4), main control system carries out first DS18B20 search, if do not search first DS18B20, temperature survey finishes; If search first DS18B20, CNT=1, and preserve unique sequence number of this DS18B20;
5), main control system carries out next DS18B20 search, if search next DS18B20, CNT++, and preserve unique sequence number of this DS18B20, so repeatedly, until all DS18B20 search is complete;
6), main control system reads temperature value according to the DS18B20 sequence number searching; All DS18B20 temperature that search sequence number have read;
7), main control system shows the temperature measurement result reading by human-machine interface unit, so far, temperature survey finishes.
Compared with prior art, its advantage is in the present invention:
1), the temperature survey integrated chip DS18B20 certainty of measurement that uses is high, measure error is little;
2), the monobus that uses is digital communication technology, its antijamming capability is strong;
3), the monobus that uses on distributed temperature measuring wiring, only need triple core cable, make to connect up simple and convenient;
4), each temperature survey probe only needs a temperature survey integrated chip DS18B20, aspect cost performance, improve a lot;
5), the monobus that uses, can make separate unit main control system arbitrarily connect multiple temperature surveies probes, use very flexible;
Accompanying drawing explanation
Fig. 1 is a kind of distributed temperature survey device wiring principle schematic of the present invention;
Fig. 2 is principle of the invention block diagram;
Fig. 3 is temperature survey probe wiring schematic diagram of the present invention;
Fig. 4 is micro controller unit task schematic process flow diagram of the present invention;
Fig. 5 is thermometry schematic flow sheet of the present invention.
In figure, temperature survey probe 101, monobus 102, main control system 103, micro controller unit 301, EBI 302, human-machine interface unit 303, memory cell 304, RS232 communication unit 305, temperature acquisition task 401, temperature shows task 402, temperature store tasks 403, keyboard scan task 404, RS232 communication task 405, temperature survey starts 501, reset monobus 502, count initialized device 503, search temperature survey probe 504, saving sequence numbers 505, search for next temperature survey probe 506, preserve unique sequence number 507, read temperature value 508, temperature survey finishes 509.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Distributed temperature survey device shown in Fig. 1-3, distributed temperature survey device, it is characterized in that: comprise main control system 103 and multiple temperature survey probe 101, multiple temperature survey probes 101 are connected with the EBI 302 of main control system 103 by a monobus 102; Main control system 103 comprises memory cell 304, human-machine interface unit 303, RS232 communication unit 305 and micro controller unit 301, and memory cell 304, human-machine interface unit 303, RS232 communication unit 305 are connected with micro controller unit 301 respectively.
The measuring method that said apparatus carries out measuring well temperature as shown in Figure 5, comprises the following steps:
1), first temperature survey starts, reset monobus;
2), initialize integrated chip DS18B20 number counter cnt=0 in temperature survey probe 101;
3), carry out first DS18B20 search, if do not search first DS18B20, temperature survey finishes; If search first DS18B20, CNT=1, and preserve unique sequence number of this DS18B20;
4), carry out next DS18B20 search, if search next DS18B20, CNT++, and preserve unique sequence number of this DS18B20, so repeatedly, until all DS18B20 search is complete;
5), read temperature value according to the DS18B20 sequence number searching; After all DS18B20 temperature that search sequence number have read, temperature survey finishes.
The present invention in force, the field operation of holing in the wild, temperature survey is not subject to the impact of surrounding environment, has anti-interference feature.
The present invention is also applicable to the engineering demand such as long-term monitoring of well logging temperature.
Claims (9)
1. a distributed temperature survey device, it is characterized in that: comprise main control system (103) and multiple temperature survey probe (101), described multiple temperature survey probes (101) are connected with the EBI (302) of described main control system (103) by a monobus (102); Described main control system (103) comprises memory cell (304), human-machine interface unit (303), RS232 communication unit (305) and micro controller unit (301), and described memory cell (304), human-machine interface unit (303), RS232 communication unit (305) are connected with described micro controller unit (301) respectively.
2. distributed temperature survey device according to claim 1, it is characterized in that: described temperature survey probe (101) is made up of digital temperature sensor and copper pipe encapsulation, described digital temperature sensor comprises integrated chip DS18B20, described monobus (102) by power supply, connect and compose by bus with three lines of signal.
3. distributed temperature survey device according to claim 1, it is characterized in that: the resistance of described temperature survey probe EBI (302) by 4.7K Ω is by the power supply of move on the holding wire of monobus (102)+5V, the holding wire of described monobus (102) is connected with the input/output port of micro controller unit (301), and described micro controller unit (301) comprises ARM7 processor integrated chip.
4. distributed temperature survey device according to claim 1, it is characterized in that: described human-machine interface unit (303) is made up of finger-impu system and liquid crystal indicator, described finger-impu system is connected with described micro controller unit (301) respectively with liquid crystal indicator.
5. distributed temperature survey device according to claim 1, is characterized in that: described non-volatile memory cells (304) is for recording storage real time temperature measurement data and being stored in temperature pre-warning thresholding, product information parameter.
6. according to the distributed temperature survey device described in claim 1 or 4, it is characterized in that: described human-machine interface unit (303) is made up of finger-impu system and liquid crystal indicator, finger-impu system is for parameters function, and liquid crystal indicator is for showing and estimate metrical information and display parameter information in real time.
7. according to the distributed temperature survey device described in claim 1 or 4, it is characterized in that: what described micro controller unit (301) control program adopted is that multiple task operating system is implemented.
8. distributed temperature survey device according to claim 7, is characterized in that: described main control system (103) is for carrying out temperature pick up search and temperature acquisition task (401), temperature demonstration task (402), temperature store tasks (403), keyboard scan task (404) and RS232 communication task (405).
9. adopt device described in claim 8 to carry out a measuring method for measuring well temperature, it is characterized in that: comprise the following steps:
1), by human-machine interface unit (303) allocating and measuring parameter;
2), further main control system (301) starts temperature survey, main control system (301) monobus that first resets;
3), main control system (301) further initializes integrated chip DS18B20 number counter cnt=0 in temperature survey probe (101);
4), main control system (301) carries out first DS18B20 search, if do not search first DS18B20, temperature survey finishes; If search first DS18B20, CNT=1, and preserve unique sequence number of this DS18B20;
5), main control system (301) carries out next DS18B20 search, if search next DS18B20, CNT++, and preserve unique sequence number of this DS18B20, so repeatedly, until all DS18B20 search is complete;
6), main control system (301) reads temperature value according to the DS18B20 sequence number searching; All DS18B20 temperature that search sequence number have read;
7), main control system (301) shows the temperature measurement result reading by human-machine interface unit (303), so far, temperature survey finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064924.8A CN103867189A (en) | 2014-02-26 | 2014-02-26 | Distributed type well-temperature measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064924.8A CN103867189A (en) | 2014-02-26 | 2014-02-26 | Distributed type well-temperature measuring device and measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103867189A true CN103867189A (en) | 2014-06-18 |
Family
ID=50906151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410064924.8A Pending CN103867189A (en) | 2014-02-26 | 2014-02-26 | Distributed type well-temperature measuring device and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103867189A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121638A (en) * | 2016-08-30 | 2016-11-16 | 武汉海阔科技有限公司 | A kind of measurement while drilling downhole system coaxially connected based on three cores |
| CN108955934A (en) * | 2018-08-17 | 2018-12-07 | 三峡大学 | One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459642Y (en) * | 2000-12-13 | 2001-11-14 | 信息产业部电子第十八研究所 | Ten-way temp. detecting control recorder for semiconductor air conditioner of vehicle-carrying storage and transport box |
| CN2931784Y (en) * | 2006-05-17 | 2007-08-08 | 李白 | temperature sensor used for bergol logging device |
| CN201310351Y (en) * | 2008-12-24 | 2009-09-16 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Well head pressure temperature measuring apparatus |
| CN101614597A (en) * | 2009-07-21 | 2009-12-30 | 太原理工大学 | A kind of monitoring device that is used for high voltage cable connector status in mine roadway |
| CN201521291U (en) * | 2009-04-23 | 2010-07-07 | 大连理工大学 | Underground distributed temperature sensor |
| CA2503268C (en) * | 2005-04-18 | 2011-01-04 | Core Laboratories Canada Ltd. | Systems and methods for acquiring data in thermal recovery oil wells |
| CN102288317A (en) * | 2011-05-13 | 2011-12-21 | 上海市地矿工程勘察院 | Underground temperature field monitoring method for ground source heat pump system |
| CN102288312A (en) * | 2011-05-13 | 2011-12-21 | 上海市地矿工程勘察院 | Underground temperature field monitoring system for ground source heat pump system |
| US8146656B2 (en) * | 2005-09-28 | 2012-04-03 | Schlumberger Technology Corporation | Method to measure injector inflow profiles |
| CN202182782U (en) * | 2011-07-27 | 2012-04-04 | 挪信能源技术（上海）有限公司 | Single-line multipoint ground temperature tester of vertical pipe laying shaft |
| CN202403834U (en) * | 2011-12-21 | 2012-08-29 | 成都众询科技有限公司 | Multipoint network distribution type temperature detecting system |
| CN203249704U (en) * | 2013-04-17 | 2013-10-23 | 西北农林科技大学 | R485-based network distributed locatable temperature detection system |
| CN203835379U (en) * | 2014-02-26 | 2014-09-17 | 长江勘测规划设计研究有限责任公司 | Distributed well temperature measuring device |
-
2014
- 2014-02-26 CN CN201410064924.8A patent/CN103867189A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459642Y (en) * | 2000-12-13 | 2001-11-14 | 信息产业部电子第十八研究所 | Ten-way temp. detecting control recorder for semiconductor air conditioner of vehicle-carrying storage and transport box |
| CA2503268C (en) * | 2005-04-18 | 2011-01-04 | Core Laboratories Canada Ltd. | Systems and methods for acquiring data in thermal recovery oil wells |
| US8146656B2 (en) * | 2005-09-28 | 2012-04-03 | Schlumberger Technology Corporation | Method to measure injector inflow profiles |
| CN2931784Y (en) * | 2006-05-17 | 2007-08-08 | 李白 | temperature sensor used for bergol logging device |
| CN201310351Y (en) * | 2008-12-24 | 2009-09-16 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Well head pressure temperature measuring apparatus |
| CN201521291U (en) * | 2009-04-23 | 2010-07-07 | 大连理工大学 | Underground distributed temperature sensor |
| CN101614597A (en) * | 2009-07-21 | 2009-12-30 | 太原理工大学 | A kind of monitoring device that is used for high voltage cable connector status in mine roadway |
| CN102288317A (en) * | 2011-05-13 | 2011-12-21 | 上海市地矿工程勘察院 | Underground temperature field monitoring method for ground source heat pump system |
| CN102288312A (en) * | 2011-05-13 | 2011-12-21 | 上海市地矿工程勘察院 | Underground temperature field monitoring system for ground source heat pump system |
| CN202182782U (en) * | 2011-07-27 | 2012-04-04 | 挪信能源技术（上海）有限公司 | Single-line multipoint ground temperature tester of vertical pipe laying shaft |
| CN202403834U (en) * | 2011-12-21 | 2012-08-29 | 成都众询科技有限公司 | Multipoint network distribution type temperature detecting system |
| CN203249704U (en) * | 2013-04-17 | 2013-10-23 | 西北农林科技大学 | R485-based network distributed locatable temperature detection system |
| CN203835379U (en) * | 2014-02-26 | 2014-09-17 | 长江勘测规划设计研究有限责任公司 | Distributed well temperature measuring device |
Non-Patent Citations (2)
| Title |
|---|
| 孙艳萍 等: "DS18B20在油气井场温度监控系统中的应用", 《西南石油学院学报》, vol. 26, no. 6, 31 December 2004 (2004-12-31) * |
| 李蒙 等: "《单片机原理及应用》", 28 February 2010 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121638A (en) * | 2016-08-30 | 2016-11-16 | 武汉海阔科技有限公司 | A kind of measurement while drilling downhole system coaxially connected based on three cores |
| CN108955934A (en) * | 2018-08-17 | 2018-12-07 | 三峡大学 | One kind being based on I2The geothermal measurement system of C and Single Wire Bus Technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205192649U (en) | Seismograph station high accuracy temperature measuring device | |
| CN103398793A (en) | Temperature measuring device based on thermocouple cold end compensation technology | |
| CN200943488Y (en) | Storage type continuous metering downhole meter for pressure and temperature | |
| CN103867189A (en) | Distributed type well-temperature measuring device and measuring method | |
| CN201653572U (en) | Temperature acquisition device | |
| CN110567604A (en) | high-precision sea ice temperature chain and temperature measuring method thereof | |
| Davande et al. | Smart wireless sensor network for monitoring an agricultural environment | |
| CN203835379U (en) | Distributed well temperature measuring device | |
| CN207366088U (en) | Multichannel temperature measuring device | |
| CN104655149A (en) | Test system of inertial navigation system | |
| CN204046710U (en) | Embedded line array CCD dark noise checkout gear | |
| CN101852653B (en) | Device and method for measuring working temperature of bearing | |
| CN101556192A (en) | Automatic temperature calibration apparatus | |
| CN105277292A (en) | Temperature measurement device | |
| CN108020336A (en) | A kind of multi way temperature monitors system | |
| CN108225599A (en) | A kind of super capacitor temp detecting controller | |
| CN203432709U (en) | Frozen earth temperature measuring recorder | |
| Subair et al. | Intelligent pressure measuring system | |
| CN204422106U (en) | A kind of mensuration fermentation temperature sensor | |
| CN210894657U (en) | Portable weak magnetic field measurement system | |
| CN204085564U (en) | Based on the Temperature and Humidity instrument of Arduino | |
| CN102353467B (en) | System and method for verifying detection accuracy of internal core temperature of chip | |
| Wang et al. | Multipoint temperature measurement system of hot pack based on DS18B20 | |
| CN202002732U (en) | Field drift ice surface temperature monitoring device | |
| CN203772438U (en) | Photovoltaic inversion cabinet digital temperature measurement acquisition circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140618 |