CN106357500A - Single-bus communication equipment of while-drilling system and single-bus communication method of single-bus communication equipment - Google Patents
Single-bus communication equipment of while-drilling system and single-bus communication method of single-bus communication equipment Download PDFInfo
- Publication number
- CN106357500A CN106357500A CN201610844872.5A CN201610844872A CN106357500A CN 106357500 A CN106357500 A CN 106357500A CN 201610844872 A CN201610844872 A CN 201610844872A CN 106357500 A CN106357500 A CN 106357500A
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- China
- Prior art keywords
- monobus
- pipe nipple
- signal
- communication
- module
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40045—Details regarding the feeding of energy to the node from the bus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
Abstract
The invention discloses single-bus communication equipment of a while-drilling system and a single-bus communication method of the single-bus communication equipment. A hard-wired nipple and a generator nipple are connected through a single-core pin, the generator nipple is connected with a central-control nipple through the single-core pin, the central-control nipple is connected with a resistivity nipple through the single-core pin, single-bus communication function is realized by the single-core pin, signal transmission and power supply are simultaneously realized on one cable, the central-control nipple is connected with a ground communication box through a single-bus communication module, each of the hard-wired nipple, the central-control nipple and the resistivity nipple contains the single-bus communication module, and mutual conversion of the single-bus signals and multi-line signals is realized through the signal-bus communication module. By the arrangement, the electrical communication function is realized, space limitation in mechanical installation is taken into consideration, and the single-bus communication equipment is reliable in mechanical connection, effective in sealing and simple in operation, and convenience and reliability in field connection of while-drilling instruments are greatly improved.
Description
Technical field
The present invention relates to the communication technology of underground equipment, the monobus communication equipment of more particularly, to a kind of While drilling system and its
Monobus communication means.
Background technology
Based on boring the environmental quality in underground work for the instrument, limited space, the limitation of mechanical erection, it is subjected to height
Temperature, high pressure and strong vibration, therefore it is required that instrument has the reliability of height, monobus communication has in electrically and mechanically structure design
There are great operability and reliable sexual clorminance, signal and power supply to supply electrical multiplexed, same wire transmits supply current simultaneously
And signal of communication.
Content of the invention
The present invention provides a kind of monobus communication equipment and its monobus communication means of While drilling system, in single line cable
Complete the target that signal transmission and power supply are powered simultaneously, both achieve the function of electrical communication, it is also contemplated that mechanical erection
Limitations, are mechanically connected reliable, sealing is effectively, simple to operate, greatly improve and operate just with brill instrument joint connection in site
Profit and reliability.
In order to achieve the above object, the present invention provides a kind of monobus communication equipment of While drilling system, comprises: orientation is visited
Pipe, Hard link pipe nipple, electromotor pipe nipple, middle control pipe nipple, resistivity pipe nipple and ground communication case；
Described Hard link pipe nipple, electromotor pipe nipple, middle control pipe nipple and resistivity pipe nipple are arranged in drill collar shell, and respectively with
Drill collar shell contacts；
Described middle control pipe nipple connects ground communication case by monobus communication module；Described Hard link pipe nipple, middle control pipe nipple
With all comprise monobus communication module in resistivity pipe nipple；Described monobus communication module realizes monobus signal and multi-thread letter
Number mutual conversion；
Connected by single contact pin between described Hard link pipe nipple and electromotor pipe nipple, between electromotor pipe nipple and middle control pipe nipple
Connected by single contact pin, connected by single contact pin between middle control pipe nipple and resistivity pipe nipple, described single contact pin is realized
Monobus communication function, realizes signal transmission in single line cable simultaneously and power supply is powered；
Described orientation inserting tube connects Hard link pipe nipple by multicore contact pin, and multi-thread communication function realized by described multicore contact pin；
Connected by single contact pin between described middle control pipe nipple and monobus communication module, monobus communication module and ground lead to
Connected by multicore contact pin between mailbox.
One end of single contact pin within electromotor pipe nipple connects Hard link pipe nipple, and the other end connects resistivity pipe nipple.
Described monobus communication module comprises:
Single-chip microcomputer, it is electrically connected with the power supply of single-chip microcomputer, is electrically connected with the telecommunication circuit of single-chip microcomputer, is electrically connected with the single total of single-chip microcomputer
Line coding/decoding module and the bus data sending module and the number of buses that are electrically connected with monobus coding/decoding module and power supply
According to receiver module；
When multiline signal is converted to the transmission of monobus signal, the multiline signal receiving is sent to single-chip microcomputer by telecommunication circuit,
After single-chip microcomputer and monobus coding/decoding module parse to multiline signal, send to bus data sending module, final carrier wave
Monobus signal is become to power supply；
When monobus signal is converted to multiline signal transmission, the monobus signal transmitting in the form of a carrier wave in power supply, by total
Line data reception module is sent to monobus coding/decoding module and after single-chip microcomputer carries out real time parsing, sends out eventually through telecommunication circuit
Send multiline signal.
The present invention also provides a kind of monobus communication means of While drilling system, comprises:
Monobus communication function realized by single contact pin, realizes signal transmission simultaneously and power supply is powered in single line cable；
Monobus communication module realizes the mutual conversion of monobus signal and multiline signal.
In ground handling, ground communication case is communicated with middle control pipe nipple by monobus communication module, by middle control
Pipe nipple enters line parameter respectively and reads and arrange to orientation inserting tube and resistivity pipe nipple, and receives orientation inserting tube and resistivity pipe nipple
Response signal.
In underground work, middle control pipe nipple polling orients inserting tube and resistivity pipe nipple, and the data getting is carried out
Arrangement transmits to orientation inserting tube.
Described middle control pipe nipple is communicated with orientation inserting tube by Hard link pipe nipple, and the monobus in Hard link pipe nipple leads to
Letter module realizes the multiline signal of orientation inserting tube and the mutual conversion of the monobus signal of middle control pipe nipple, and described middle control pipe nipple leads to
Cross single contact pin to realize communicating with the monobus of resistivity pipe nipple.
When multiline signal is converted to the transmission of monobus signal by described monobus communication module, telecommunication circuit will receive
Multiline signal be sent to single-chip microcomputer, after single-chip microcomputer and monobus coding/decoding module parse to multiline signal, send to total
Line data transmission blocks, final carrier wave to power supply becomes monobus signal；Monobus signal is converted to multiline signal send
When, the monobus signal transmitting in the form of a carrier wave in power supply, monobus encoding and decoding mould is sent to by bus data receiver module
After block and single-chip microcomputer carry out real time parsing, send multiline signal eventually through telecommunication circuit.
The invention has the advantages that
1st, complete the target that signal transmission and power supply are powered in single line cable simultaneously, both achieve the function of electrical communication, and
Take into account the limitations of mechanical erection, be mechanically connected reliable, sealing is effectively, simple to operate, greatly improve with brill instrument
The convenience of device joint connection in site operation and reliability；
2nd, achieve the mutual conversion of monobus communication and multi-thread communication, multi-thread communication can conveniently connect to computer, is ground
Monitor that the bit error rate of monobus communication provides strong foundation；
3rd, While drilling system uploads the signal such as down-hole state and formation parameter during underground work in real time, effectively facilitates
With the work on the spot boring instrument.
Brief description
Fig. 1 is a kind of structural representation of the monobus communication equipment of While drilling system that the present invention provides.
Fig. 2 is the circuit diagram of monobus communication module.
Specific embodiment
Below according to Fig. 1～Fig. 2, illustrate presently preferred embodiments of the present invention.
As shown in figure 1, the present invention provides a kind of monobus communication equipment of While drilling system, comprise: orient inserting tube 1, firmly connect
Connect pipe nipple 2, electromotor pipe nipple 3, middle control pipe nipple 4, resistivity pipe nipple 5 and ground communication case 7, described Hard link pipe nipple 2, generate electricity
Machine pipe nipple 3, middle control pipe nipple 4 and resistivity pipe nipple 5 are arranged in drill collar shell 9, and contact with drill collar shell 9 respectively, described
Middle control pipe nipple 4 connects ground communication case 7, described Hard link pipe nipple 2, middle control pipe nipple 4 and resistance by monobus communication module 6
All comprise monobus communication module 6 in rate pipe nipple 5, between described Hard link pipe nipple 2 and electromotor pipe nipple 3, pass through single contact pin
(sbus) connect, between electromotor pipe nipple 3 and middle control pipe nipple 4, pass through single contact pin (sbus) connection, middle control pipe nipple 4 and resistivity
Pass through single contact pin (sbus) between pipe nipple 5 to connect, it is short that described orientation inserting tube 1 connects Hard link by multicore contact pin (mbus)
Section 2, passes through single contact pin (sbus) and connects between described middle control pipe nipple 4 and monobus communication module 6, monobus communication module
Pass through multicore contact pin (mbus) between 6 and ground communication case 7 to connect.
Monobus communication function realized by described single contact pin, realizes signal transmission simultaneously and power supply supplies in single line cable
Electricity；Multi-thread communication function realized by described multicore contact pin；Described monobus communication module 6 realizes monobus signal and multi-thread letter
Number mutual conversion；Described electromotor pipe nipple 3 provides system power supply, and single contact pin is in electromotor pipe nipple 3 inner straight；Described
Hard link pipe nipple 2 be used for realize orientation inserting tube 1 and middle control pipe nipple 4 between monobus communication.
As shown in Fig. 2 described monobus communication module 6 comprises:
Single-chip microcomputer 22, the power supply 11 being electrically connected with single-chip microcomputer 22, the telecommunication circuit 33 being electrically connected with single-chip microcomputer 22, electric connection are single
The monobus coding/decoding module 66 of piece machine 22 and be electrically connected with monobus coding/decoding module 66 and the number of buses of power supply 11
According to sending module 44 and bus data receiver module 55.
When multiline signal is converted to the transmission of monobus signal, the multiline signal receiving is sent to list by telecommunication circuit 33
After piece machine 22, single-chip microcomputer 22 and monobus coding/decoding module 66 parse to multiline signal, send and send mould to bus data
Block 44, final carrier wave to power supply 11 becomes monobus signal.
When monobus signal is converted to multiline signal transmission, the monobus signal transmitting in the form of a carrier wave in power supply 11,
After bus data receiver module 55 is sent to monobus coding/decoding module 66 and single-chip microcomputer 22 carries out real time parsing, finally lead to
Cross telecommunication circuit 33 and multiline signal is sent to other parts.
The present invention also provides a kind of monobus communication means of While drilling system, comprises the steps of
In ground handling, ground communication case 7 is passed through monobus communication module 6 and is communicated with middle control pipe nipple 3, short by middle control
Section 3 respectively to orientation inserting tube 1 and resistivity pipe nipple 4 enter line parameter read and arrange, when orientation inserting tube 1 and resistivity pipe nipple 4 all
After correct response, disconnect monobus communication module 6 and ground communication case 7, remaining part forms tool string, prepare to go into the well work
Make.
In underground work, middle control pipe nipple 4 polling orients inserting tube 1 and resistivity pipe nipple 4, and the data getting is entered
Row arrangement transmits to orientation inserting tube 1, and data is encoded by orientation inserting tube 1 again, is uploaded to ground decoding through mud-pulse,
Final acquisition downhole data.
Wherein, described middle control pipe nipple 3 is communicated with orientation inserting tube 1 by Hard link pipe nipple 2, in Hard link pipe nipple 2
Monobus communication module 6 realize orientation inserting tube 1 multiline signal with middle control pipe nipple 3 monobus signal mutual conversion, institute
The middle control pipe nipple 3 stated is passed through single contact pin and realizes being communicated with the monobus of resistivity pipe nipple 4.
The present invention completes the target that signal transmission and power supply are powered in single line cable simultaneously, has both achieved electrical communication
Function, it is also contemplated that the limitations of mechanical erection, is mechanically connected reliable, sealing is effectively, simple to operate, greatly improves
With bore instrument joint connection in site operation convenience and reliability, The invention also achieves monobus communication and multi-thread communication mutual
Conversion, multi-thread communication can conveniently connect to computer, and the bit error rate for the communication of ground surveillance monobus provides strong foundation, simultaneously
While drilling system uploads the signal such as down-hole state and formation parameter during underground work in real time, effectively facilitates with brill instrument
The work on the spot of device.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
Multiple modifications and substitutions all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (8)
1. a kind of monobus communication equipment of While drilling system is it is characterised in that comprise: orientation inserting tube (1), Hard link pipe nipple (2),
Electromotor pipe nipple (3), middle control pipe nipple (4), resistivity pipe nipple (5) and ground communication case (7)；
Described Hard link pipe nipple (2), electromotor pipe nipple (3), middle control pipe nipple (4) and resistivity pipe nipple (5) are arranged on outside drill collar
In shell (9), and contact with drill collar shell (9) respectively；
Described middle control pipe nipple (4) connects ground communication case (7) by monobus communication module (6)；Described Hard link pipe nipple
(2), all comprise monobus communication module (6) in middle control pipe nipple (4) and resistivity pipe nipple (5)；Described monobus communication module
(6) realize the mutual conversion of monobus signal and multiline signal；
Connected by single contact pin between described Hard link pipe nipple (2) and electromotor pipe nipple (3), electromotor pipe nipple (3) and in
Connected by single contact pin between control pipe nipple (4), connected by single contact pin between middle control pipe nipple (4) and resistivity pipe nipple (5),
Monobus communication function realized by described single contact pin, realizes signal transmission simultaneously and power supply is powered in single line cable；
Described orientation inserting tube (1) connects Hard link pipe nipple (2) by multicore contact pin, and multi-thread communication realized by described multicore contact pin
Function；
Connected by single contact pin between described middle control pipe nipple (4) and monobus communication module (6), monobus communication module
(6) connected by multicore contact pin and ground communication case (7) between.
2. the monobus communication equipment of While drilling system as claimed in claim 1 is it is characterised in that electromotor pipe nipple (3) is internal
Single contact pin one end connect Hard link pipe nipple (2), the other end connect resistivity pipe nipple (5).
3. the monobus communication equipment of While drilling system as claimed in claim 1 is it is characterised in that described monobus communication mould
Block (6) comprises:
Single-chip microcomputer (22), be electrically connected with single-chip microcomputer (22) power supply (11), be electrically connected with single-chip microcomputer (22) telecommunication circuit (33),
It is electrically connected with the monobus coding/decoding module (66) of single-chip microcomputer (22) and be electrically connected with monobus coding/decoding module (66)
Bus data sending module (44) and bus data receiver module (55) with power supply (11)；
When multiline signal is converted to the transmission of monobus signal, the multiline signal receiving is sent to monolithic by telecommunication circuit (33)
After machine (22), single-chip microcomputer (22) and monobus coding/decoding module (66) parse to multiline signal, send and send out to bus data
Send module (44), final carrier wave to power supply becomes monobus signal on (11)；
When monobus signal is converted to multiline signal transmission, the monobus signal transmitting in the form of a carrier wave in power supply (11), leads to
Cross bus data receiver module (55) and be sent to monobus coding/decoding module (66) and after single-chip microcomputer (22) carries out real time parsing,
Eventually multiline signal is sent by telecommunication circuit (33).
4. what a kind of monobus communication equipment using the While drilling system as described in any one in claim 1-3 was carried out is single total
Line communication means is it is characterised in that comprise:
Monobus communication function realized by single contact pin, realizes signal transmission simultaneously and power supply is powered in single line cable；
Monobus communication module (6) realizes the mutual conversion of monobus signal and multiline signal.
5. the monobus communication means of While drilling system as claimed in claim 4 is it is characterised in that in ground handling, ground
Communication box (7) is passed through monobus communication module (6) and is communicated with middle control pipe nipple (3), by middle control pipe nipple (3) respectively to orientation
Inserting tube (1) and resistivity pipe nipple (4) enter line parameter and read and arrange, and receive the sound of orientation inserting tube (1) and resistivity pipe nipple (4)
Induction signal.
6. the monobus communication means of While drilling system as claimed in claim 5 is it is characterised in that in underground work, middle control
Pipe nipple (4) polling orientation inserting tube (1) and resistivity pipe nipple (4), the data getting are carried out arrangement and transmit to calmly
To inserting tube (1).
7. the monobus communication means of While drilling system as claimed in claim 6 is it is characterised in that described middle control pipe nipple (3)
Communicated with orientation inserting tube (1) by Hard link pipe nipple (2), the monobus communication module (6) in Hard link pipe nipple (2) is realized
The mutual conversion of the monobus signal of the multiline signal of orientation inserting tube (1) and middle control pipe nipple (3), described middle control pipe nipple (3) is led to
Cross single contact pin to realize communicating with the monobus of resistivity pipe nipple (4).
8. the monobus communication means of While drilling system as claimed in claim 7 is it is characterised in that described monobus communication mould
When multiline signal is converted to the transmission of monobus signal by block (6), the multiline signal receiving is sent to list by telecommunication circuit (33)
After piece machine (22), single-chip microcomputer (22) and monobus coding/decoding module (66) parse to multiline signal, send to bus data
Sending module (44), final carrier wave to power supply becomes monobus signal on (11)；Monobus signal is converted to multiline signal send out
When sending, the monobus signal that transmits in the form of a carrier wave in power supply (11), it is sent to single total by bus data receiver module (55)
After line coding/decoding module (66) and single-chip microcomputer (22) carry out real time parsing, send multiline signal eventually through telecommunication circuit (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844872.5A CN106357500A (en) | 2016-09-23 | 2016-09-23 | Single-bus communication equipment of while-drilling system and single-bus communication method of single-bus communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610844872.5A CN106357500A (en) | 2016-09-23 | 2016-09-23 | Single-bus communication equipment of while-drilling system and single-bus communication method of single-bus communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106357500A true CN106357500A (en) | 2017-01-25 |
Family
ID=57858701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610844872.5A Pending CN106357500A (en) | 2016-09-23 | 2016-09-23 | Single-bus communication equipment of while-drilling system and single-bus communication method of single-bus communication equipment |
Country Status (1)
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| CN (1) | CN106357500A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269268A (en) * | 2017-06-14 | 2017-10-20 | 中石化石油工程技术服务有限公司 | One kind is with brill measurement and control instrument bus system |
| CN110894787A (en) * | 2018-09-12 | 2020-03-20 | 中国石油化工股份有限公司 | Bus driving device for measuring pup joint while drilling |
| CN113676388A (en) * | 2021-09-16 | 2021-11-19 | 中国科学院地质与地球物理研究所 | Underground single-bus decoding system for logging while drilling and anti-interference method thereof |
| CN114629738A (en) * | 2020-12-14 | 2022-06-14 | 中国石油化工股份有限公司 | Rotary guide single bus transmission control device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144126A (en) * | 1990-04-17 | 1992-09-01 | Teleco Oilfied Services Inc. | Apparatus for nuclear logging employing sub wall mounted detectors and electronics, and modular connector assemblies |
| CN202402023U (en) * | 2011-12-29 | 2012-08-29 | 中天启明石油技术有限公司 | Exploring tube system for underground wireless well logging during drilling |
| CN202900264U (en) * | 2012-11-26 | 2013-04-24 | 中国石油集团渤海钻探工程有限公司 | Bus structure for measuring signal transmission of subsurface equipment while drilling |
| CN203729985U (en) * | 2013-11-26 | 2014-07-23 | 成都西油联合石油天然气工程技术有限公司 | Underground measurement while drilling assembly |
| CN105401932A (en) * | 2014-09-15 | 2016-03-16 | 北京环鼎科技有限责任公司 | Ground system for measurement while drilling |
| CN205212860U (en) * | 2015-12-23 | 2016-05-04 | 上海神开石油化工装备股份有限公司 | Single bus communication module |
-
2016
- 2016-09-23 CN CN201610844872.5A patent/CN106357500A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144126A (en) * | 1990-04-17 | 1992-09-01 | Teleco Oilfied Services Inc. | Apparatus for nuclear logging employing sub wall mounted detectors and electronics, and modular connector assemblies |
| CN202402023U (en) * | 2011-12-29 | 2012-08-29 | 中天启明石油技术有限公司 | Exploring tube system for underground wireless well logging during drilling |
| CN202900264U (en) * | 2012-11-26 | 2013-04-24 | 中国石油集团渤海钻探工程有限公司 | Bus structure for measuring signal transmission of subsurface equipment while drilling |
| CN203729985U (en) * | 2013-11-26 | 2014-07-23 | 成都西油联合石油天然气工程技术有限公司 | Underground measurement while drilling assembly |
| CN105401932A (en) * | 2014-09-15 | 2016-03-16 | 北京环鼎科技有限责任公司 | Ground system for measurement while drilling |
| CN205212860U (en) * | 2015-12-23 | 2016-05-04 | 上海神开石油化工装备股份有限公司 | Single bus communication module |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269268A (en) * | 2017-06-14 | 2017-10-20 | 中石化石油工程技术服务有限公司 | One kind is with brill measurement and control instrument bus system |
| CN107269268B (en) * | 2017-06-14 | 2024-04-05 | 中国石油化工集团有限公司 | Measurement and control instrument bus system while drilling |
| CN110894787A (en) * | 2018-09-12 | 2020-03-20 | 中国石油化工股份有限公司 | Bus driving device for measuring pup joint while drilling |
| CN114629738A (en) * | 2020-12-14 | 2022-06-14 | 中国石油化工股份有限公司 | Rotary guide single bus transmission control device |
| CN113676388A (en) * | 2021-09-16 | 2021-11-19 | 中国科学院地质与地球物理研究所 | Underground single-bus decoding system for logging while drilling and anti-interference method thereof |
| CN113676388B (en) * | 2021-09-16 | 2022-03-22 | 中国科学院地质与地球物理研究所 | Underground single-bus decoding system for logging while drilling and anti-interference method thereof |
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Application publication date: 20170125 |