CN105913100B - Downhole intelligent control system and its control method with low frequency wake-up function - Google Patents
Downhole intelligent control system and its control method with low frequency wake-up function Download PDFInfo
- Publication number
- CN105913100B CN105913100B CN201610293655.1A CN201610293655A CN105913100B CN 105913100 B CN105913100 B CN 105913100B CN 201610293655 A CN201610293655 A CN 201610293655A CN 105913100 B CN105913100 B CN 105913100B
- Authority
- CN
- China
- Prior art keywords
- low frequency
- control system
- frequency wake
- pin
- wake
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The present invention provides a kind of downhole intelligent control systems and its control method with low frequency wake-up function, including RF tag, the RF tag signal connects low frequency wake-up control system, the input terminal of the low frequency wake-up control system connection underground survey control system, the low frequency wake-up control system and the underground survey control system are powered by Power Management Unit.The utility model has the advantages that the downhole intelligent control system and its control method of the present invention with low frequency wake-up function, by the way that low frequency wake-up control system is arranged in the front end of underground electronic surveying control system, control the work and suspend mode of underground electronic surveying control system by low frequency wake-up control system by radio frequency chip from ground, reduce its power loss in a non-operative state, improve the filling rate of valid data, to the underground work time for extending tool, the utilization rate for improving memory space has important value.
Description
Technical field
The invention belongs to petroleum, gas drilling field, more particularly, to a kind of underground intelligence with low frequency wake-up function
It can control system and its control method.
Background technique
In oil drilling tool, electronic surveying control unit in underground is responsible for believing tool pose, subsurface environment information, stratum
Breath carries out signal measurement, carries out analysis decision according to measurement result, control oil drilling tool executes corresponding movement.Underground is surveyed
Usually there are two types of power supply modes for amount control system, are powered using turbogenerator, can obtain powerful stable DC
Electric energy, but structure is complicated for such power supply mode, and is only limitted to the measurement while drilling stage, in other stages, in fracturing process, electronics
Measure-controlling unit needs real-time monitoring down-hole pressure, temperature information, can not carry out power supply by turbogenerator at this time；It adopts
It is powered with high-temperature battery, there are limited battery capacity, underground high temperature and high pressure environments to influence battery life seriously, due to high temperature resistant
The development of high-tension battery is our times problem, therefore, to extend battery working time, can only be come in fact by increasing number of batteries
Existing, the increase of number of batteries necessarily leads to the increase of tool sizes, is unfavorable for the integration and miniaturization of tool.In addition, electronics
Measure-controlling unit does not need the acquisition for carrying out signal constantly during the entire process of underground work, and electronic surveying control is single
Member continues working the power loss on the one hand increasing power supply, on the other hand also results in the storage of a large amount of hashes, gives
Memory module brings biggish load.
Radio Frequency Identification Technology carries out data communication by electromagnetic induction or electromagnetic propagation, when RF tag enters reader day
After line identification region, reader tag decoder information simultaneously executes corresponding operation.Radio Frequency Identification Technology has read or write speed fast, quasi-
The advantages that true rate is high, small in size.A kind of downhole intelligent control system with low frequency wake-up function is studied, for realizing underground electricity
The sleeping/waking of each module of sub- measure-controlling unit controls, and reduces the power loss of underground electronic surveying control unit, extends
Its underground work time has important value.
Summary of the invention
In view of this, the present invention is directed to propose a kind of downhole intelligent control system with low frequency wake-up function, to solve
The problem of underground electronic surveying control unit power loss is big, waste of resource.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of downhole intelligent control system with low frequency wake-up function, including RF tag, low frequency wake-up control system,
Underground survey control system and Power Management Unit, the low frequency wake-up control system include the low frequency of microprocessor and its connection
The signal input part of wakeup unit, power amplification unit and signal conditioning unit, the signal conditioning unit connects envelope detection
Unit, the input terminal of the envelope detection unit connect receiving antenna, the output end connection transmitting day of the power amplification unit
Line, the transmitting antenna and the receiving antenna are connect with the RF tag signal, the RF tag and the low frequency
Wakeup unit control coupling, the microprocessor are connect with the input terminal of the underground survey control system, the low frequency wake-up
Control system and the underground survey control system are powered by the Power Management Unit.
Further, the RF tag selects passive RF label, frequency 125KHz.
Further, the chip model of the low frequency wake-up unit is AS3932, the external crystal oscillator frequency of the AS3932
For 12MHz.
Further, the chip of the microprocessor is STM32 series monolithic.
Further, the low frequency wake-up unit includes low frequency wake-up receiver U1, capacitor C1, capacitor C2, capacitor C3, crystalline substance
Shake Y1, the first receiving antenna ANT1, the second receiving antenna ANT2 and third receiving antenna ANT3, the low frequency wake-up receiver U1
XIN pin connect the first end of the crystal oscillator Y1, the first end of the crystal oscillator Y1 is connect with the second end of the capacitor C1, institute
The first end for stating capacitor C1 connects the Power Management Unit, and the first end of the capacitor C1 connects the first of the capacitor C2
End, the first end of the capacitor C2 are connect with the first end of the capacitor C3, the second end ground connection of the capacitor C3, the capacitor
The second end of C2 is connect with the second end of the crystal oscillator Y1, and the second end of the crystal oscillator Y1 connects the low frequency wake-up receiver U1
XOUT pin, the LF1P pin of the low frequency wake-up receiver U1 connect with the first end of the first receiving antenna ANT1,
The second end of the first receiving antenna ANT1 is grounded, and the LF2P pin of the low frequency wake-up receiver U1 and described second receives
The first end of antenna ANT2 connects, the second end ground connection of the second receiving antenna ANT2, the low frequency wake-up receiver U1's
LF3P pin is connect with the first end of the third receiving antenna ANT3, the second end ground connection of the third receiving antenna ANT3,
The LFN pin of the low frequency wake-up receiver U1 is the first receiving antenna ANT1, the second receiving antenna ANT2 and institute
The common ground end of third receiving antenna ANT3 is stated, the VCC pin of the low frequency wake-up receiver U1 is the just defeated of 3.3V power supply
Enter to hold and connect with the Power Management Unit, the GND pin ground connection of the low frequency wake-up receiver U1, the low frequency wake-up connects
The Vss pin for receiving device U1 is power supply negative input end, and single supply is grounded when powering, the WAKE pin of the low frequency wake-up receiver U1
It is connect with the PB6 pin of the microprocessor, the DAT pin of the low frequency wake-up receiver U1 and the PB5 of the microprocessor
Pin connection, the CL_DAT of the low frequency wake-up receiver U1 are recovering clock signals pin, are used for manchester decoder, described
SPI of the CS pin, SCL pin, SDI pin and SDO pin of low frequency wake-up receiver U1 respectively with the microprocessor draws
Foot, SPI_SCK pin, SPI_MOSI pin are connected with SPI_MISO pin.
Compared with the existing technology, the downhole intelligent control system of the present invention with low frequency wake-up function has following
Advantage:
(1) the downhole intelligent control system of the present invention with low frequency wake-up function, by underground electronic surveying
Low frequency wake-up control system is arranged in the front end of control system, controls well by low frequency wake-up control system from ground by radio frequency chip
The work and suspend mode of lower electronic surveying control system reduce its power loss in a non-operative state, improve valid data
Filling rate, to the underground work time for extending tool, the utilization rate for improving memory space has important value.
Another object of the present invention is to propose a kind of control of downhole intelligent control system with low frequency wake-up function
It is single to reduce underground electronic surveying control to realize the sleeping/waking control of each module of underground electronic surveying control unit for method
The power loss of member, extends its underground work time.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of control method of the downhole intelligent control system with low frequency wake-up function, it is following including what is executed in order
Step:
S001: it starts to work；
S002: the low frequency wake-up unit carries out standby listening mode, at this time its in the low frequency wake-up control system
Its unit and the underground survey control system enter dormant state, and the low frequency wake-up unit enters low-power consumption standby monitoring
State；
S003: the RF tag is detected, in the antenna audit area of the low frequency wake-up unit, if not detecting
To the RF tag, then S002 is gone to step；
S004: the low frequency wake-up unit detects the RF tag and the RF tag carries and wakes up information, then
The low frequency wake-up unit exports wake-up signal to the microprocessor；
S005: the microprocessor recovers from dormant state, generates the modulated signal that carrier frequency is 125KHz；
S006: the power amplification unit carries out power amplification to the modulated signal that the microprocessor exports；
S007: the transmitting antenna persistently emits modulated signal, waits the arrival of the RF tag；
S008: detecting the RF tag, in the audit area of the receiving antenna, if not detecting described penetrate
Frequency marking label then repeat step S006 to step S007；
S009: the receiving antenna receives the modulated signal of the RF tag transmitting, is sent to the envelope detection list
Member；
S010: the envelope detection unit carries out envelope detection to the modulated signal that the RF tag emits, will be described
The information that RF tag carries is separated from carrier wave；
S011: the signal that the signal conditioning unit exports the envelope detection unit amplifies, filters and shaping
Operation；
S012: the signal that the microprocessor exports the signal conditioning unit is decoded operation；
S013: the microprocessor judges decoded information, if receives dormancy instruction；
S014: if RF tag carrying is control information, the underground survey is waken up by the microprocessor
Respective modules in control system execute corresponding actions；
S015: if RF tag carrying is dormancy instruction, the microprocessor controls the underground survey control
Respective modules in system processed stop working, and the microprocessor enters dormant state, repeat step S002 to step S014.
The downhole intelligent control system with low frequency wake-up function and the above-mentioned underground intelligence with low frequency wake-up function
Can control the control method of system compared with the existing technology possessed by advantage it is identical, details are not described herein.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the downhole intelligent Control system architecture block diagram described in the embodiment of the present invention with low frequency wake-up function；
Fig. 2 is the circuit structure connection figure of low frequency wake-up unit described in the embodiment of the present invention；
Fig. 3 is the control method stream of the downhole intelligent control system described in the embodiment of the present invention with low frequency wake-up function
Cheng Tu.
Description of symbols:
100- RF tag；200- low frequency wake-up control system；2001- low frequency wake-up unit；2002- microprocessor；
2003- power amplification unit；2004- transmitting antenna；2005- receiving antenna；2006- envelope detection unit；2007- signal condition
Unit；300- underground survey control system；400- Power Management Unit.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of downhole intelligent control system and its control method with low frequency wake-up function, as shown in Figures 1 to 3, including
RF tag 100, low frequency wake-up control system 200, underground survey control system 300 and Power Management Unit 400, the low frequency
Waking up control system 200 includes the low frequency wake-up unit 2001 of microprocessor 2002 and its connection, 2003 and of power amplification unit
The signal input part of signal conditioning unit 2007, the signal conditioning unit 2007 connects envelope detection unit 2006, the packet
The input terminal of network detection unit 2006 connects receiving antenna 2005, the output end connection transmitting day of the power amplification unit 2003
Line 2004, the transmitting antenna 2004 and the receiving antenna 2005 are connect with 100 signal of RF tag, the radio frequency
Label 100 is coupled with the low frequency wake-up unit 2001 control, the microprocessor 2002 and the underground survey control system
300 input terminal connection, the low frequency wake-up control system 200 and the underground survey control system 300 are by the power supply
Administrative unit 400 is powered, wherein the underground survey control system 300 is for realizing tool state, subsurface environment, formation parameter
Etc. information measurement and tool state control.
The RF tag 100 selects passive RF label, frequency 125KHz, and the RF tag 100 carries coding
Information, for carrying out data communication with the low frequency wake-up control system 200.
The chip model of the low frequency wake-up unit 2001 is AS3932, and the external crystal oscillator frequency of the AS3932 is
12MHz, the chip of the microprocessor 2002 are STM32 series monolithic.
The low frequency wake-up unit 2001 includes low frequency wake-up receiver U1, capacitor C1, capacitor C2, capacitor C3, crystal oscillator Y1,
First receiving antenna ANT1, the second receiving antenna ANT2 and third receiving antenna ANT3, the XIN of the low frequency wake-up receiver U1
Pin connects the first end of the crystal oscillator Y1, and the first end of the crystal oscillator Y1 is connect with the second end of the capacitor C1, the electricity
The first end for holding C1 connects the Power Management Unit 400, and the first end of the capacitor C1 connects the first end of the capacitor C2,
The first end of the capacitor C2 is connect with the first end of the capacitor C3, the second end ground connection of the capacitor C3, the capacitor C2
Second end connect with the second end of the crystal oscillator Y1, the second end of the crystal oscillator Y1 connects the low frequency wake-up receiver U1's
XOUT pin, the LF1P pin of the low frequency wake-up receiver U1 are connect with the first end of the first receiving antenna ANT1, institute
The second end ground connection of the first receiving antenna ANT1 is stated, the LF2P pin of the low frequency wake-up receiver U1 and described second receives day
The first end of line ANT2 connects, the second end ground connection of the second receiving antenna ANT2, the low frequency wake-up receiver U1's
LF3P pin is connect with the first end of the third receiving antenna ANT3, the second end ground connection of the third receiving antenna ANT3,
The LFN pin of the low frequency wake-up receiver U1 is the first receiving antenna ANT1, the second receiving antenna ANT2 and institute
The common ground end of third receiving antenna ANT3 is stated, the VCC pin of the low frequency wake-up receiver U1 is the just defeated of 3.3V power supply
Enter to hold and connect with the Power Management Unit 400, the GND pin ground connection of the low frequency wake-up receiver U1, the low frequency is called out
The Vss pin of awake receiver U1 is power supply negative input end, and single supply is grounded when powering, the WAKE of the low frequency wake-up receiver U1
Pin is connect with the PB6 pin of the microprocessor 2002, the DAT pin of the low frequency wake-up receiver U1 and the micro process
The PB5 pin of device 2002 connects, and the CL_DAT of the low frequency wake-up receiver U1 is recovering clock signals pin, is used for Man Chesi
Particular solution code, CS pin, SCL pin, SDI pin and the SDO pin of the low frequency wake-up receiver U1 respectively with micro- place
SPI pin, SPI_SCK pin, the SPI_MOSI pin of reason device 2002 are connected with SPI_MISO pin.
The control method includes the following steps executed in order:
S001: it starts to work；
S002: the low frequency wake-up unit 2001 carries out standby listening mode, at this time the low frequency wake-up control system 200
In other units and the underground survey control system 300 enter dormant state, the low frequency wake-up unit 2001 enters
Low-power consumption standby listening state；
S003: detecting the RF tag 100, in the antenna audit area of the low frequency wake-up unit 2001, if
It does not detect the RF tag 100, then goes to step S002；
S004: the low frequency wake-up unit 2001 detects the RF tag 100 and the carrying of the RF tag 100 is called out
Awake information, then the low frequency wake-up unit 2001 exports wake-up signal to the microprocessor 2002；
S005: the microprocessor 2002 recovers from dormant state, generates the modulation that carrier frequency is 125KHz
Signal；
S006: the power amplification unit 2003 carries out power to the modulated signal that the microprocessor 2002 exports and puts
Greatly；
S007: the transmitting antenna 2004 persistently emits modulated signal, waits the arrival of the RF tag 100；
S008: the RF tag 100 is detected, in the audit area of the receiving antenna 2005, if not detecting
To the RF tag 100, then step S006 is repeated to step S007；
S009: the receiving antenna 2005 receives the modulated signal that the RF tag 100 emits, and is sent to the envelope
Detection unit 2006；
S010: the envelope detection unit 2006 carries out envelope detection to the modulated signal that the RF tag 100 emits,
The information that the RF tag 100 carries is separated from carrier wave；
S011: the signal that the signal conditioning unit 2007 exports the envelope detection unit 2006 is amplified, is filtered
Wave and shaping operation；
S012: the signal that the microprocessor 2002 exports the signal conditioning unit 2007 is decoded operation；
S013: the microprocessor 2002 judges decoded information, if receives dormancy instruction；
S014: if the carrying of the RF tag 100 is control information, the well is waken up by the microprocessor 2002
Respective modules in lower Measurement and Control System 300 execute corresponding actions；
S015: if the carrying of the RF tag 100 is dormancy instruction, the microprocessor 2002 controls the underground
Respective modules in Measurement and Control System 300 stop working, and the microprocessor 2002 enters dormant state, repeat step S002
To step S014.
A kind of downhole intelligent control system and its control method with low frequency wake-up function, working principle are as follows:
Low frequency wake-up unit 2001 is used to receive the information of RF tag 100 and is decoded, and if desired wakes up electronic, horological
Amount control system 300 works, then exports wake-up signal into microprocessor 2002, and microprocessor 2002 receives wake-up signal,
Switch to working condition from dormant state, outgoing carrier frequency is the modulated signal of 125KHz, is carried out through power amplification unit 2003
After signal amplification, emitted by transmitting antenna 2004, when the passive RF label 100 for carrying operational order enters transmitting antenna
Induction region when, receiving antenna 2005 capture RF tag 100 send encoded information, carried out by envelope detection unit 2006
The envelope detection of signal operates, and is amplified, is filtered to signal by signal conditioning unit 2007, after shaping operation, being sent into micro- place
Reason device 2002 is decoded, according to decoded information by the portion in the wake-up electronic surveying control unit 300 of microprocessor 2002
Point/whole module, defined instruction is completed by electronic surveying control unit 300.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of downhole intelligent control system with low frequency wake-up function, it is characterised in that: including RF tag (100), low
Frequency wakes up control system (200), underground survey control system (300) and Power Management Unit (400),
The low frequency wake-up control system (200) include microprocessor (2002) and its connection low frequency wake-up unit (2001),
Power amplification unit (2003) and signal conditioning unit (2007), the signal input part connection of the signal conditioning unit (2007)
The input terminal of envelope detection unit (2006), the envelope detection unit (2006) connects receiving antenna (2005), the power
The output end of amplifying unit (2003) connects transmitting antenna (2004),
The transmitting antenna (2004) and the receiving antenna (2005) are connect with the RF tag (100) signal, described
RF tag (100) is coupled with the low frequency wake-up unit (2001) control, and the microprocessor (2002) and the underground are surveyed
The input terminal of amount control system (300) connects, the low frequency wake-up control system (200) and the underground survey control system
(300) it is powered by the Power Management Unit (400),
The low frequency wake-up unit (2001) includes low frequency wake-up receiver U1, capacitor C1, capacitor C2, capacitor C3, crystal oscillator Y1, the
One receiving antenna ANT1, the second receiving antenna ANT2 and third receiving antenna ANT3,
The XIN pin of the low frequency wake-up receiver U1 connects the first end of the crystal oscillator Y1, the first end of the crystal oscillator Y1 with
The second end of the capacitor C1 connects, and the first end of the capacitor C1 connects the Power Management Unit (400), the capacitor C1
First end connect the first end of the capacitor C2, the first end of the capacitor C2 is connect with the first end of the capacitor C3, institute
The second end ground connection of capacitor C3 is stated, the second end of the capacitor C2 is connect with the second end of the crystal oscillator Y1, the crystal oscillator Y1's
Second end connects the XOUT pin of the low frequency wake-up receiver U1, the LF1P pin of the low frequency wake-up receiver U1 with it is described
The first end of first receiving antenna ANT1 connects, and the second end ground connection of the first receiving antenna ANT1, the low frequency wake-up connects
The LF2P pin for receiving device U1 is connect with the first end of the second receiving antenna ANT2, and the second of the second receiving antenna ANT2
End ground connection, the LF3P pin of the low frequency wake-up receiver U1 is connect with the first end of the third receiving antenna ANT3, described
The second end of third receiving antenna ANT3 is grounded, and the LFN pin of the low frequency wake-up receiver U1 is first receiving antenna
The common ground end of ANT1, the second receiving antenna ANT2 and the third receiving antenna ANT3, the low frequency wake-up receive
The VCC pin of device U1 is the positive input terminal of 3.3V power supply and connect with the Power Management Unit (400) that the low frequency wake-up connects
The GND pin ground connection of device U1 is received, the Vss pin of the low frequency wake-up receiver U1 is power supply negative input end, when single supply is powered
Ground connection,
The WAKE pin of the low frequency wake-up receiver U1 is connect with the PB6 pin of the microprocessor (2002), the low frequency
The DAT pin for waking up receiver U1 is connect with the PB5 pin of the microprocessor (2002), the low frequency wake-up receiver U1's
CL_DAT is recovering clock signals pin, is used for manchester decoder, and CS pin, the SCL of the low frequency wake-up receiver U1 draws
SPI pin, SPI_SCK pin, the SPI_MOSI of foot, SDI pin and SDO pin respectively with the microprocessor (2002) draw
Foot is connected with SPI_MISO pin.
2. the downhole intelligent control system according to claim 1 with low frequency wake-up function, it is characterised in that: described to penetrate
Frequency marking label (100) select passive RF label, frequency 125KHz.
3. the downhole intelligent control system according to claim 1 with low frequency wake-up function, it is characterised in that: described low
The chip model of frequency wakeup unit (2001) is AS3932, and the external crystal oscillator frequency of the AS3932 is 12MHz.
4. the downhole intelligent control system according to claim 1 with low frequency wake-up function, it is characterised in that: described micro-
The chip of processor (2002) is STM32 series monolithic.
5. a kind of control method of any downhole intelligent control system with low frequency wake-up function of Claims 1-4,
It is characterized by: the method includes the following steps executed in order:
S001: it starts to work；
S002: the low frequency wake-up unit (2001) carries out standby listening mode, at this time the low frequency wake-up control system (200)
In other units and the underground survey control system (300) enter dormant state, the low frequency wake-up unit (2001)
Into low-power consumption standby listening state；
S003: detecting the RF tag (100), in the antenna audit area of the low frequency wake-up unit (2001), if
It does not detect the RF tag (100), then goes to step S002；
S004: the low frequency wake-up unit (2001) detects the RF tag (100) and the RF tag (100) carries
Information is waken up, then the low frequency wake-up unit (2001) exports wake-up signal to the microprocessor (2002)；
S005: the microprocessor (2002) is recovered from dormant state, is generated the modulation that carrier frequency is 125KHz and is believed
Number；
S006: the power amplification unit (2003) carries out power to the modulated signal that the microprocessor (2002) exports and puts
Greatly；
S007: the transmitting antenna (2004) persistently emits modulated signal, waits the arrival of the RF tag (100)；
S008: the RF tag (100) are detected, in the audit area of the receiving antenna (2005), if not detecting
To the RF tag (100), then step S006 is repeated to step S007；
S009: the receiving antenna (2005) receives the modulated signal of RF tag (100) transmitting, is sent to the envelope
Detection unit (2006)；
S010: the envelope detection unit (2006) carries out envelope detection to the modulated signal that the RF tag (100) emits,
The information that the RF tag (100) carry is separated from carrier wave；
S011: the signal that the signal conditioning unit (2007) exports the envelope detection unit (2006) is amplified, is filtered
Wave and shaping operation；
S012: the signal that the microprocessor (2002) exports the signal conditioning unit (2007) is decoded operation；
S013: the microprocessor (2002) judges decoded information, if receives dormancy instruction；
S014: if the RF tag (100) carrying is control information, the well is waken up by the microprocessor (2002)
Respective modules in lower Measurement and Control System (300) execute corresponding actions；
S015: if the RF tag (100) carrying is dormancy instruction, the microprocessor (2002) controls the underground
Respective modules in Measurement and Control System (300) stop working, and the microprocessor (2002) enters dormant state, repeat step
S002 to step S014.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610293655.1A CN105913100B (en) | 2016-05-05 | 2016-05-05 | Downhole intelligent control system and its control method with low frequency wake-up function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610293655.1A CN105913100B (en) | 2016-05-05 | 2016-05-05 | Downhole intelligent control system and its control method with low frequency wake-up function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105913100A CN105913100A (en) | 2016-08-31 |
| CN105913100B true CN105913100B (en) | 2018-12-04 |
Family
ID=56752330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610293655.1A Active CN105913100B (en) | 2016-05-05 | 2016-05-05 | Downhole intelligent control system and its control method with low frequency wake-up function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105913100B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085933B (en) * | 2017-05-04 | 2023-12-22 | 中国石油天然气集团有限公司 | Low-power-consumption wellbore water acoustic wave communication control system and control method thereof |
| CN109963327A (en) * | 2019-05-08 | 2019-07-02 | 北京倍胜智能科技有限公司 | A kind of radiofrequency signal awakening method, device, electronic equipment and storage medium |
| CN114475099B (en) * | 2022-02-10 | 2023-09-08 | 南京英锐创电子科技有限公司 | Low frequency decoding integrated circuit and TPMS control system |
| CN117615230A (en) * | 2023-06-21 | 2024-02-27 | 杭州海康威视数字技术股份有限公司 | Video camera system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007145911A2 (en) * | 2006-06-12 | 2007-12-21 | Intelleflex Corporation | Rfid sensor tag with manual modes and functions |
| CN101281664A (en) * | 2008-05-07 | 2008-10-08 | 北京航空航天大学 | Low-power consumption handhold RFID patrol apparatus as well as method for implementing low-power consumption |
| CN104167085A (en) * | 2013-05-16 | 2014-11-26 | 国际商业机器公司 | Apparatus and method for remotely awakening an electronic device |
| CN104460609A (en) * | 2014-11-18 | 2015-03-25 | 中国石油天然气股份有限公司 | Remote monitoring method and system for oil and gas production |
| CN104598962A (en) * | 2015-01-29 | 2015-05-06 | 山东欧龙电子科技有限公司 | Active passive type double-frequency chip and RFID system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7161473B2 (en) * | 2004-09-03 | 2007-01-09 | Instrumented Sensor Technology, Inc. | Data recorder suitable for use as a railcar hunting detector |
-
2016
- 2016-05-05 CN CN201610293655.1A patent/CN105913100B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007145911A2 (en) * | 2006-06-12 | 2007-12-21 | Intelleflex Corporation | Rfid sensor tag with manual modes and functions |
| CN101281664A (en) * | 2008-05-07 | 2008-10-08 | 北京航空航天大学 | Low-power consumption handhold RFID patrol apparatus as well as method for implementing low-power consumption |
| CN104167085A (en) * | 2013-05-16 | 2014-11-26 | 国际商业机器公司 | Apparatus and method for remotely awakening an electronic device |
| CN104460609A (en) * | 2014-11-18 | 2015-03-25 | 中国石油天然气股份有限公司 | Remote monitoring method and system for oil and gas production |
| CN104598962A (en) * | 2015-01-29 | 2015-05-06 | 山东欧龙电子科技有限公司 | Active passive type double-frequency chip and RFID system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105913100A (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105913100B (en) | Downhole intelligent control system and its control method with low frequency wake-up function | |
| CN101441706B (en) | Double-activating method of active electronic label | |
| CN204303008U (en) | A kind of electronic tag | |
| CN103052146B (en) | Low-power-consumption embedded type wireless sensor network node device | |
| CN102612122A (en) | Low-power-consumption wireless sensor network system and controlling and awaking method thereof | |
| CN102663456A (en) | Short distance active radio frequency identification system | |
| CN202331539U (en) | High-frequency passive RFID (Radio Frequency Identification) analog front end circuit | |
| CN102542218B (en) | Method and system for transmitting radio frequency identification (RFID) data, and hardware platform for RFID label | |
| CN110972242A (en) | Narrow-band Internet of things communication system based on honeycomb | |
| CN201576296U (en) | Active solar RFID tag | |
| CN105476194A (en) | Electronic school badge based on RFID (radio frequency identification) technology and having step counting function as well as control method of electronic school badge | |
| CN202331688U (en) | Low-power-consumption wireless door magnetic device | |
| CN105974864A (en) | Oil well wireless smart control system based on radio frequency identification technology and wake-up method thereof | |
| CN104036316A (en) | Ultra-low power consumption photoactivatable electronic tag and card reader system and signal processing method thereof | |
| CN105426949A (en) | Method and device for low power consumption timing wake-up | |
| CN204926063U (en) | Low -power consumption telemetering measurement incident trigger | |
| CN212379848U (en) | Card reader | |
| CN107368764B (en) | Electromagnetic coupling reader | |
| CN205721275U (en) | A kind of oil well wireless intelligent control system based on REID | |
| CN202134073U (en) | Electronic anti-loss and anti-theft device | |
| CN104850812B (en) | A kind of energy-conservation card reading circuit of radio-frequency card, method and system | |
| CN207352686U (en) | A kind of low-power consumption IC card electronic lock | |
| CN211403590U (en) | Remote controller for intelligent lock capable of distinguishing indoor and outdoor | |
| CN202443485U (en) | Active humiture electronic tag | |
| CN202677435U (en) | Active RFID electronic label of UHF |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211014 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: No.106 Huanghai Road, Binhai New Economic and Technological Development Zone, Tianjin 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |