CN101446192A - Oil and gas wells ground wireless testing system and method - Google Patents
Oil and gas wells ground wireless testing system and method Download PDFInfo
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- CN101446192A CN101446192A CNA2008101480848A CN200810148084A CN101446192A CN 101446192 A CN101446192 A CN 101446192A CN A2008101480848 A CNA2008101480848 A CN A2008101480848A CN 200810148084 A CN200810148084 A CN 200810148084A CN 101446192 A CN101446192 A CN 101446192A
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Abstract
The invention provides an oil and gas wells ground wireless testing system and method; the system is composed of four parts of N wireless collectors, a plurality of wireless relays, a centralized receiver and a controlling terminal; wherein, each wireless collector and wireless relay, wireless relay and centralized receiver are in radio connection to compose the multi-hop tree network topology structure; the centralized receiver is in short distance wired connection with the controlling terminal. Because the collector and the relay and the relay and receiver utilize wireless transmission, the invention does not need to arrange large cables and have convenient utilization and maintenance, and does not need the long distance wired transmission; the output of the sensor does not need the large current transmission circuit to realize the signal driving in long distance and greatly reduces the power consumption; and because the wireless collector utilizes the periodic rest/waking mechanism such that the radio frequency circuit is started only transmitting the data; and the time of sending the data is short; and only the common lithium battery supplying is needed, which greatly reduces the installation cost and difficulty of the power supplying system, and greatly reduces the operation cost of the system.
Description
Technical field
The present invention is oil gas well parameter testing transmission system field.
Technical background
Oil gas well terrestrial wireless test macro is data acquisition, transmission and the analysis process system that is used for all kinds of states in remote monitoring oil gas well ground and parameter.In existing oil gas well ground testing system, the information of sensor acquisition is sent to the control terminal (computer) of test center by cable, by control terminal storage of collected information and form curve and the form that the user needs.Since be in the sensor of collection site in the existing system with the control terminal that is in test center between be employing wired connection mode, have following problem:
1) because the oil gas well surveying tries on-the-spot field work, sensor causes and arranges the cable inconvenience to the distance at on-the-spot center (hundreds of rice) far away and with a varied topography.
2) adopt wire transmission to need a large amount of cables, the use of cable, loss and maintenance cost are also higher.
3) because the position of the numerous cables of collection site is approaching or staggered, be easy to generate interference between the analog signal of cable transmission, can cause the information that passes to test center mistake to occur.
4) because exploration ground point transformation is frequent, and single this exploration cycle is shorter, the cable that adopts wired mode to bring arranges and dismounting work has greatly influenced operating efficiency.
5) existing systems all has an amplifying circuit in order to adapt to length apart from wire transmission in the sensor of employing, so very power consumption of collector, can only adopt the transmission of electricity circuit supply, so the power supply cost of system is very high, and uses inconvenient.
Except that the unfavorable factor that wire transmission mode brings, also, make the operation impersonalityization of test center aspect processing method and display packing because existing test center falls behind.Therefore at the problems referred to above, the oil gas well terrestrial wireless test macro of the upgrading of digitlization, wireless penetration, intellectuality and centralization has been proposed.
In a word: the upgrading that native system has carried out digitlization, wireless penetration, intellectuality and centralization at existing oil gas well ground testing system.
Summary of the invention:
For all problems that the wired connection that solves existing oil gas well terrestrial wireless test macro is brought, the special oil gas well terrestrial wireless test macro that proposes a kind of wireless connections mode.
System involved in the present invention is made up of N platform (N is the integer 1 to 64) wireless collection device, many wireless repeaters, a concentrated receiver and control terminal four parts.Wherein between each wireless collection device and the wireless repeater and between wireless repeater and the concentrated receiver by dedicated radio link, constitute the tree network topology structure of multi-hop, concentrating receiver is short-range wired connection (owing to being to be placed in) between control terminal.
The major function of described wireless collection device is to finish the collection of oil gas well state and supplemental characteristic and be converted into transmission of wireless signals to go out.The wireless collection device mainly partly is made of a plurality of sensors, single-chip microcomputer, ADC analog to digital conversion circuit, radio frequency chip and power management etc.The output of analog sensor is connected with the analog input end of ADC, the digital output end of ADC is connected with the IO mouth of single-chip microcomputer, and digital sensor directly is connected with the IO mouth of single-chip microcomputer, the FPDP of single-chip microcomputer is connected with the FPDP of radio frequency chip again, the antennal interface of last radio frequency chip is connected to antenna, and the output of battery power management circuit part is connected with the power port of each device that need power; Wherein said sensor can be the analog sensor of temperature, pressure, flow; Described ADC analog to digital conversion circuit is with the analog signal figureization that collects; Described single-chip microcomputer obtains digitized detecting information by the I/O mouth and handles, and by radio frequency chip detecting information is sent to concentrated receiver or wireless repeater, and described single-chip microcomputer adopts low-power scm; The wireless collection device adopts powered battery, carries out the battery power management by power management module.
The major function of described wireless repeater is to receive the data that the wireless collection device sends and be transmitted to concentrated receiver; Wireless repeater mainly partly is made of single-chip microcomputer, radio frequency chip and power management etc.; The FPDP of single-chip microcomputer is connected with the FPDP of radio frequency chip, and the antennal interface of radio frequency chip is connected to antenna, and the output of battery power management circuit part is connected with the power port of each device that need power; Wherein said single-chip microcomputer adopts low-power scm; Wireless repeater adopts powered battery, carries out the battery power management by power management module.
Described concentrated receiver major function is to receive and handle the data that wireless collection device and wireless repeater are sent, and sends to control terminal after data are handled, and also will finish the management function of whole wireless network simultaneously under the control of control terminal.Concentrate receiver by embedded type CPU, external memory storage, radio frequency chip, power management and data output interface circuit unit and antenna are formed, antenna is connected with the antennal interface of radio frequency chip, the FPDP of radio frequency chip is connected with a data port of embedded type CPU, another FPDP of embedded type CPU and input port, external memory storage is connected with embedded type CPU, power supply is connected with the input of PMU, then PMU tell a plurality of outputs respectively with radio frequency chip, embedded type CPU connects, to they power supply managements, power supply can be the battery in this device, also outside transmission of electricity power supply; Described data output interface circuit unit is the circuit that the digital signals format of single-chip microcomputer output is changed into RJ45 or DB9, is the input/output port that this device connects control terminal; Described embedded type CPU is to adopt high performance embedded type CPU, and described antenna is generally selected omnidirectional antenna for use.
Described control terminal is to form with computer and process software.Mainly finish the equipment management of system and the analyzing and processing of data.
Concentrating receiver and wired connection between the control terminal can be that the Ethernet mode is connected also can be that serial ports connects.
The system of this invention adopts the synchronized orthogonal networking agreement of time division multiple acess on communication protocol, descending sub frame is sent by concentrated receiver, collector/repeater receives, sub-frame of uplink is sent by corresponding wireless collection device/wireless repeater, concentrate receiver to receive, sub-frame of uplink comprises the detecting information that the wireless collection device collects;
In addition, the wireless collection device adopts periodically sleeping/waking mechanism, described periodicity sleeping/waking mechanism is: each wireless collection device was powered to sensor in the zero hour of preceding two uplink frame of the uplink frame of distributing to oneself, and unlatching radio frequency transtation mission circuit, after sensor acquisition arrives stable detecting information, just stop sensor power supply, and close the radio frequency transtation mission circuit finish time in the uplink frame of distributing to oneself; And the wireless collection device is opened radio-frequency (RF) receiving circuit in the certain hour of downlink frame before the zero hour, closes radio-frequency (RF) receiving circuit the finish time in downlink frame.
Equipment configuration method based on this system is: every wireless collection device is determined the numbering of self by the hardware dial-up, concentrate receiver to survey each wireless collection device and whether exist, list the valid wireless collector automatically according to replying of wireless collection device in the training in rotation mode.The operator only needs these deployed with devices corresponding local getting final product to the map.And the maintenance system device, method is: device start, equipment suspend, collection period control.
Finish dealing with based on the special-purpose software that the image data processing method of this system designs by control terminal and for native system.Concrete treatment step is:
Step 3: the image data statistics, the real-time or historical data in the database is added up, and show, for decision references in modes such as curve, block diagram, cake charts.
Essence of the present invention and beneficial effect
1) adopt wireless transmission, no longer need to arrange a large amount of cables, operation and maintenance is all very convenient;
2) test center no longer needs to insert simultaneously a large amount of cables, but realizes that by the mode of wireless poll multiple spot arrives the communication of a bit, and the access of test center is more succinct;
3) the synchronized orthogonal networking agreement of employing time division multiple acess guarantees the real-time that detecting information transmits;
4) owing to do not need the wire transmission of long distance, the output of sensor does not need the transmission circuit of big electric current to realize that the signal of long distance drives, and power consumption reduces significantly; Simultaneously because the wireless collection device adopts periodically sleeping/waking mechanism, promptly only when transfer of data, just need start radio circuit, and the data time that sends is very short, therefore only need to use common lithium battery power supply just passable, so just reduce the installation cost and the difficulty of electric power system widely, and also greatly reduced the running cost of system.
5) use cost of reduction sensor and cable.
The composition structural representation of Fig. 1 oil gas well terrestrial wireless test macro embodiment;
Fig. 2 is the inner composition diagram of the wireless collection device in one embodiment of the present of invention;
The inner composition frame chart of wireless repeater in Fig. 3 one embodiment of the present of invention;
The inner composition frame chart of concentrated receiver in Fig. 4 one embodiment of the present of invention;
1 to 5 is the wireless collection device, 6 is wireless repeater, 7 to 11 is the wireless communication link between wireless collection device and the wireless repeater, 12 for concentrating receiver, 13 for concentrating the link between receiver and the wireless repeater, 14 is control terminal, and 15 is analog sensor, and 16 is digital sensor, 17 is the single-chip microcomputer in the collector, 18 is the ADC analog to digital conversion circuit, and 19 is the radio frequency chip in the collector, and 20 is antenna, 21 is the PMU of collector, 22 is the antenna of wireless repeater, and 23 is the radio frequency chip of wireless repeater, and 24 is the single-chip microcomputer of wireless repeater, 25 is the PMU of wireless repeater, 26 is the battery feed of wireless repeater, and 27 for concentrating the embedded type CPU of receiver, and 28 for concentrating the radio frequency chip of receiver, 29 for concentrating the PMU of receiver, 30 for concentrating the data output interface circuit unit of receiver, and 31 for concentrating the antenna of receiver, and 32 is the FLASH memory.
Embodiment
In the embodiment of the composition structure of oil gas well terrestrial wireless test macro shown in Figure 1, gas well terrestrial wireless test macro is made up of five wireless collection devices, a wireless repeater, a concentrated receiver, a control terminal; Wireless collection device node 1 to 5 is set up communication link 7,8,9,10,11 by radiofrequency signal and wireless repeater 6 respectively, wireless repeater 6 also is to set up communication link 13 by radio with concentrated receiver 12, concentrates receiver 12 and control terminal 14 to pass through the RJ45 network more then
The synchronized orthogonal networking agreement of the time division multiple acess that adopts is: frame length is designed to 1000ms, and by the descending sub frame of 1 long 162ms, the protection time slot of the uplink frame of 64 long 13ms and 1 long 6ms is formed; Descending sub frame is sent by concentrated receiver, and collector/repeater receives, and descending sub frame comprises 4ms protection time slot, and 94ms time synchronization information and 64ms are to the confirmation of receipt information of uplink information; Sub-frame of uplink is sent by corresponding wireless collection device/wireless repeater, concentrates receiver to receive, and sub-frame of uplink comprises the detecting information that the wireless collection device collects.
The wireless collection device adopts periodically, and sleeping/waking mechanism is: each wireless collection device was powered to sensor in the zero hour of preceding two uplink frame of the uplink frame of distributing to oneself, sensor acquisition stops sensor being powered to stable detecting information then behind the power supply beginning 13ms; The wireless collection device is opened the radio frequency transtation mission circuit zero hour in the uplink frame of distributing to oneself, closes the radio frequency transtation mission circuit finish time in uplink frame; The wireless collection device downlink frame before the zero hour 4ms open radio-frequency (RF) receiving circuit, close radio-frequency (RF) receiving circuit the finish time in downlink frame.
In the embodiment of wireless collection device shown in Figure 2, the wireless collection device must wait part to constitute by analog sensor 15, digital sensor 16, single-chip microcomputer 17, ADC analog to digital conversion circuit 18, radio frequency chip 19, antenna 20 and a PMU 21; The output of analog sensor 15 is connected with the analog input end of ADC analog to digital conversion circuit 18, the digital output end of ADC analog to digital conversion circuit 18 is connected with the IO mouth of single-chip microcomputer 17, and digital sensor 16 directly is connected with the IO mouth of single-chip microcomputer 17, the FPDP of single-chip microcomputer 17 is connected with the FPDP of radio frequency chip 19 again, the antennal interface of last radio frequency chip 19 is connected to antenna 20, and the output of power management 21 is connected with the power port of each device that need power.
In wireless repeater embodiment shown in Figure 3, wireless repeater is made up of antenna 22, radio frequency chip 23, single-chip microcomputer 24, PMU 25, power supply 26, and wherein single-chip microcomputer injects the functional software that other parts operation was handled and controlled to data for 24 li.Antenna 22 is connected with the antennal interface of radio frequency chip 23, the FPDP of radio frequency chip 23 is connected with the FPDP of single-chip microcomputer 24, battery feed 26 is connected with the input of PMU 25, and PMU 25 is told a plurality of outputs and is connected with radio frequency chip 23, single-chip microcomputer 24 respectively then.
In concentrated receiver embodiment shown in Figure 4, concentrate receiver to form by embedded type CPU 27, radio frequency chip 28, PMU 29 and data output interface circuit unit 30 and antenna 31, FLASH memory 32.Antenna 31 is connected with the antennal interface of radio frequency chip 30, the FPDP of radio frequency chip 30 is connected with a data port of embedded type CPU 27, another FPDP of embedded type CPU 27 is connected with data output interface circuit unit 30, external power source is connected with the input of PMU 29, PMU 29 is told a plurality of outputs and is connected with radio frequency chip 30, embedded type CPU 29 respectively then, and FLASH memory 32 is connected with embedded type CPU 29.
Claims (9)
1, oil gas well terrestrial wireless test macro is characterized in that: be made up of N platform wireless collection device, many wireless repeaters, a concentrated receiver and control terminal four parts; By dedicated radio link, constitute the tree network topology structure of multi-hop between each wireless collection device and the wireless repeater and between wireless repeater and the concentrated receiver, concentrating between receiver and the control terminal is short-range wired connection.
2, according to claim a kind of described oil gas well terrestrial wireless test macro, it is characterized in that: the wireless collection device mainly partly is made of a plurality of sensors, single-chip microcomputer, ADC analog to digital conversion circuit, radio frequency chip and power management etc.; The output of analog sensor is connected with the analog input end of ADC, the digital output end of ADC is connected with the IO mouth of single-chip microcomputer, and digital sensor directly is connected with the IO mouth of single-chip microcomputer, the FPDP of single-chip microcomputer is connected with the FPDP of radio frequency chip again, the antennal interface of last radio frequency chip is connected to antenna, and the output of battery power management circuit part is connected with the power port of each device that need power; Wherein said sensor can be the analog sensor of temperature, pressure, flow.
3, according to claim a kind of described oil gas well terrestrial wireless test macro, it is characterized in that: wireless repeater mainly partly is made of single-chip microcomputer, radio frequency chip and power management etc.; The FPDP of single-chip microcomputer is connected with the FPDP of radio frequency chip, and the antennal interface of radio frequency chip is connected to antenna, and the output of battery power management circuit part is connected with the power port of each device that need power.
4, according to the oil gas well terrestrial wireless test macro described in claim 2 or 3, it is characterized in that: single-chip microcomputer and the monolithic in the wireless repeater in the described wireless collection device all adopt low-power scm.
5, according to claim a kind of described oil gas well terrestrial wireless test macro, it is characterized in that: concentrate receiver by embedded type CPU, external memory storage, radio frequency chip, power management and data output interface circuit unit and antenna are formed, antenna is connected with the antennal interface of radio frequency chip, the FPDP of radio frequency chip is connected with a data port of embedded type CPU, another FPDP of embedded type CPU and input port, external memory storage is connected with embedded type CPU, power supply is connected with the input of PMU, then PMU tell a plurality of outputs respectively with radio frequency chip, embedded type CPU connects.
6, according to claim 5 kind of described oil gas well terrestrial wireless test macro, it is characterized in that: described embedded type CPU is to adopt high performance embedded type CPU.
7, according to claim a kind of described oil gas well terrestrial wireless test macro, it is characterized in that: the synchronized orthogonal networking agreement of the time division multiple acess of employing is: frame length is designed to 1000ms, by the descending sub frame of 1 long 162ms, the protection time slot of the uplink frame of 64 long 13ms and 1 long 6ms is formed; Descending sub frame comprises 4ms protection time slot, and 94ms time synchronization information and 64ms concentrate receiver to send to the confirmation of receipt information of uplink information, and collector/repeater receives; Sub-frame of uplink comprises the detecting information that the wireless collection device collects, and is sent by corresponding wireless collection device/wireless repeater, concentrates receiver to receive sub-frame of uplink.
8, the image data processing method of the oil gas well terrestrial wireless test macro of one of claim 1 to 7 is characterized in that: image data is handled the special-purpose software that designs by control terminal and for native system and is finished dealing with.Concrete treatment step is:
Step 1, receive program in real time, the data record that each collector is passed to test center by wireless mode is in database, for analyzing and the usefulness of statistics;
Step 2, utilize the real-time analysis module, from database, read the data that each wireless collection device collects, analyze the data of collection in modes such as curve, block diagram, cake charts, for decision references;
Step 3: the image data statistics, the real-time or historical data in the database is added up, and show, for decision references in modes such as curve, block diagram, cake charts.
9, the equipment configuration method of the oil gas well terrestrial wireless test macro of one of claim 1 to 7, it is characterized in that every wireless collection device determines the numbering of self by the hardware dial-up, concentrate receiver to survey each wireless collection device and whether exist, list the valid wireless collector automatically according to replying of wireless collection device in the training in rotation mode; The operator only needs these deployed with devices corresponding local getting final product to the map.
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| CNA2008101480848A CN101446192A (en) | 2008-12-29 | 2008-12-29 | Oil and gas wells ground wireless testing system and method |
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| CNA2008101480848A CN101446192A (en) | 2008-12-29 | 2008-12-29 | Oil and gas wells ground wireless testing system and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281169A (en) * | 2011-06-29 | 2011-12-14 | 广州市弘宇科技有限公司 | Cable tunnel monitoring link method based on photoelectric composite cable and monitoring system thereof |
| CN102932292A (en) * | 2012-11-07 | 2013-02-13 | 深圳市卓禾仪器有限公司 | Modulus wire |
| CN104618478A (en) * | 2015-01-28 | 2015-05-13 | 新疆林业科学院现代林业研究所 | Method for collecting and monitoring field environment data in real time |
| CN106865375A (en) * | 2017-02-23 | 2017-06-20 | 太原理工大学 | Hoisting container hanging steel rope on-line monitoring system and method |
| CN107889143A (en) * | 2017-12-28 | 2018-04-06 | 成都博高信息技术股份有限公司 | Micropower wireless field test node terminal, test gateway terminal, test system and method for testing |
-
2008
- 2008-12-29 CN CNA2008101480848A patent/CN101446192A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281169A (en) * | 2011-06-29 | 2011-12-14 | 广州市弘宇科技有限公司 | Cable tunnel monitoring link method based on photoelectric composite cable and monitoring system thereof |
| CN102932292A (en) * | 2012-11-07 | 2013-02-13 | 深圳市卓禾仪器有限公司 | Modulus wire |
| CN104618478A (en) * | 2015-01-28 | 2015-05-13 | 新疆林业科学院现代林业研究所 | Method for collecting and monitoring field environment data in real time |
| CN106865375A (en) * | 2017-02-23 | 2017-06-20 | 太原理工大学 | Hoisting container hanging steel rope on-line monitoring system and method |
| CN107889143A (en) * | 2017-12-28 | 2018-04-06 | 成都博高信息技术股份有限公司 | Micropower wireless field test node terminal, test gateway terminal, test system and method for testing |
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Application publication date: 20090603 |