CN106448120A - Wireless relay transmission system for underground temperature pressure detection - Google Patents
Wireless relay transmission system for underground temperature pressure detection Download PDFInfo
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- CN106448120A CN106448120A CN201611131536.2A CN201611131536A CN106448120A CN 106448120 A CN106448120 A CN 106448120A CN 201611131536 A CN201611131536 A CN 201611131536A CN 106448120 A CN106448120 A CN 106448120A
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- Prior art keywords
- temperature
- pressure
- signal
- pressure data
- wireless chip
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a wireless relay transmission system for detecting underground temperature pressure. The wireless relay transmission system comprises a temperature transmitter, a direct-current power supply, a pressure transmitter, a first signal conversion module, a second signal conversion module, a microcontroller, a relay module and a receiving and displaying module, the direct-current power supply is simultaneously connected with the temperature transmitter and the pressure transmitter, the temperature transmitter is connected with the first signal conversion module, the pressure transmitter is connected with the second signal conversion module, the first signal conversion module and the second signal conversion module are respectively connected with the microcontroller, the microcontroller is connected with the relay module, and the relay module is connected with the receiving and displaying module. The wireless relay transmission system can effectively weaken influence of underground formations on electromagnetic wave transmission, electromagnetic wave transmission distance is increased, and well logging depth is increased.
Description
Technical field
The present invention relates to drilling measuring technical field, a kind of more particularly, to down-hole temperature and pressure detection wireless relay Transmission system.
Background technology
Drilling engineering is the important technology method of geological resource exploration and geoscience research, is can be directly from underground rock
Layer obtains the only resource of sample.But drilling engineering is a deep concealed work being hidden in underground, has high investment, height
The feature of risk.The drilling well staff of early stage creeps into by rule of thumb, accident often in well and drilling efficiency is low.
Drilling measuring technology is capable of device for subsurface measuring and ground monitoring equipment real-time information interaction as a kind of
E measurement technology, can real-time monitoring down-hole geologic parameter, drilling parameter and bore parameters etc., can be that the scene of subsurface information be divided
Analysis, process and explanation are provided with barrier of trying hard to keep, and then improve drilling efficiency, reduce drilling cost simultaneously.Between down-hole and ground
Data information transfer is a key link of drilling measuring technology, is also " the bottle of restriction drilling measuring technology development simultaneously
Neck ".
The data transfer of measurement while drilling typically has electromagnetic wave, sound wave and three kinds of transmission means of mud-pulse.Sonic transmissions side
Formula transfer rate is fast, and structure is simple, low cost, but signal is with depth attenuation also quickly, is still in the things stage of new generation, does not have
It is used widely.The data volume of mud-pulse transmission means transmission is less, and transmission speed is also slower；Electromagnetic transmission mode passes
Movement Capabilities are strong, time of measuring short it is not necessary to circulating fluid just can transmission data, Integrated comparative, the transmission means tool of electromagnetic wave
Have than larger exploitation and development potentiality.But electromagnetic transmission signal attenuation is big, can only propagate low-frequency electromagnetic wave, easily it is subject to rock electricity
The impact of resistance rate, signal transfer rate is subject to a definite limitation, with the difference of the conditions such as stratum, drilling fluid property and wellbore structure, electricity
Magnetic wave transmission channel is extremely complex；And electromagnetic wave type transmission is decayed large effect by stratum and drilling rod, especially in deep-well and super
It is therefore desirable to improve to electromagnetic transmission mode in deep-well.
Content of the invention
In view of this, The embodiment provides a kind of can effectively weaken the shadow to electromagnetic transmission for the down-hole formation
The down-hole temperature and pressure detection wireless relay Transmission system ring, increase electromagnetic transmission distance, increasing depth-logger.
Embodiments of the invention provide a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that described down-hole
Temperature and pressure detection wireless relay Transmission system include temperature transmitter, DC source, pressure transmitter, the first signal conversion module,
Secondary signal modular converter, microcontroller, trunk module and receive display module, described DC source simultaneously with temperature transmitter
Connect with pressure transmitter, described temperature transmitter is connected with the first signal conversion module, described pressure transmitter and second is believed
Number modular converter connects, and described first signal conversion module and secondary signal modular converter are connected with microcontroller respectively, described
Microcontroller is connected with trunk module, and described trunk module is connected with receiving display module.
Further, described microcontroller adopts ARM microcontroller, and it is defeated that it includes temperature signal input, pressure signal
Enter end, AD acquisition module, temperature and pressure modular converter and temperature and pressure data transmission blocks, described AD acquisition module, temperature and pressure modular converter and
Temperature and pressure data transmission blocks difference is integrated on a microcontroller, and described AD acquisition module includes analog-digital converter, described temperature
Pressure modular converter includes the first wireless chip, and described temperature and pressure data transmission blocks include the second wireless chip, described trunk module
Including the 3rd wireless chip and the 4th wireless chip, described reception display module includes LCD liquid crystal display and the 5th no core
Piece.
Further, described DC source is the power supply of temperature transmitter and pressure transmitter, described temperature pick-up
Device and pressure transmitter detection temperature signal and pressure signal respectively, and described temperature signal and pressure signal are converted into standard
Voltage signal, described standard voltage signal is changed respectively through the first signal conversion module and secondary signal modular converter, institute
State standard voltage signal and respectively microcontroller is input to by temperature signal input and pressure signal input end after conversion
On, then it is wirelessly transmitted to AD acquisition module, the standard voltage signal collecting is converted to numeral letter by described AD acquisition module
Number, described radio transmission of digital signals to temperature and pressure modular converter, described temperature and pressure modular converter passes through the first wireless chip and receives number
Word signal, described digital signal is converted to corresponding temperature and pressure data by plug-in by described first wireless chip,
Then described temperature and pressure data is wirelessly transmitted to temperature and pressure data transmission blocks, and described temperature and pressure data transmission blocks pass through second
Wireless chip sends temperature and pressure data, and then described temperature and pressure data is wirelessly transmitted to trunk module, described relaying
Module is passed through the 3rd wireless chip and is received temperature and pressure data, and sends temperature and pressure data by the 4th wireless chip,
Then temperature and pressure data is wirelessly transmitted to reception display module, and described reception display module passes through the 5th wireless chip and receives
Temperature and pressure data, described 5th wireless chip is by temperature and pressure data is activation to LCD liquid crystal display.
Further, the standard voltage signal of described temperature transmitter output is converted into through the first signal conversion module
The output voltage matching with the pin input voltage of microcontroller, the standard voltage signal of described pressure transmitter output passes through
Secondary signal modular converter is converted into the output voltage matching with the pin input voltage of microcontroller.
Further, described first signal conversion module includes first resistor, second resistance and the first electric capacity, and described second
Signal conversion module includes 3rd resistor, the 4th resistance and the second electric capacity, and described DC source includes positive source pin and electricity
Source negative pin, described temperature transmitter includes the first power supply supply pin, the first signal output anode pin and the first signal
Output negative terminal pin, described first power supply supply pin is connected with positive source pin, described first signal output anode pin
Be connected with one end of first resistor, the other end of described first resistor simultaneously with one end of second resistance and the positive pole of the first electric capacity
End connects, and the other end of described first resistor is connected with temperature signal input with the junction point of one end of second resistance, described
The other end of second resistance is connected with the negative pole end of the first electric capacity and the first signal output negative terminal pin simultaneously, described first signal
Output negative terminal pin is connected with power cathode pin, and the other end of described first signal output negative terminal pin and second resistance is simultaneously
Ground connection；It is negative that described pressure transmitter includes second source supply pin, secondary signal output plus terminal pin and secondary signal output
End pin, described second source supply pin is connected with positive source pin, described secondary signal output plus terminal pin and the 3rd
One end of resistance connects, and the other end of described 3rd resistor is connected with one end of the 4th resistance and the positive terminal of the second electric capacity simultaneously
Connect, the other end of described 3rd resistor is connected with pressure signal input end with the junction point of one end of the 4th resistance, the described 4th
The other end of resistance exports negative terminal pin and is connected with the negative pole end of the second electric capacity and secondary signal simultaneously, described secondary signal output
Negative terminal pin is connected with power cathode pin, and described secondary signal exports negative terminal pin and the other end of the 4th resistance connects simultaneously
Ground；Described first electric capacity and the second electric capacity can filter high-frequency signal.
Further, the partial pressure coefficient of described second resistance is equal to pin input voltage and the temperature transmitter of microcontroller
Standard output voltage ratio, the partial pressure coefficient of described 4th resistance is equal to the pin input voltage of microcontroller and pressure becomes
Send the ratio of the standard output voltage of device.
Further, the workflow of described temperature and pressure data transmission blocks is：Described temperature and pressure data transmission blocks are first to
Two wireless chips are detected, if the second wireless chip does not exist or can't detect, terminate to send temperature and pressure data；
If described second wireless chip detects successfully, the transmission channel initialization to the second wireless chip, then detection transmitting response letter
Number；If transmitting answer signal detects unsuccessfully, terminate to send temperature and pressure data；If transmitting answer signal detects successfully,
Second wireless chip sends temperature and pressure data.
Further, the workflow of described trunk module is：Described trunk module is first examined to the 3rd wireless chip
Survey, if the 3rd wireless chip does not exist or can't detect, terminate to receive temperature and pressure data；If the 3rd wireless chip inspection
Survey successfully, the receiving channel initialization to the 3rd wireless chip, then detection receives answer signal；If receiving answer signal detection
Failure, then terminate to receive temperature and pressure data；If receive answer signal detect successfully, the 3rd wireless chip reception temperature with
Pressure data simultaneously preserves；Then the sendaisle of the 4th wireless chip is initialized, and detect transmission answer signal；If send should
Answer signal detection failure, then terminate to send temperature and pressure data；If sending answer signal and detecting successfully, the 4th wireless chip
Send temperature and pressure data.
Further, the quantity of described temperature and pressure data transmission blocks and trunk module is one or more, using multiple temperature
Pressure data transmission blocks and trunk module can increase electromagnetic transmission distance.
Further, the workflow of described reception display module is：Described reception display module is first to the 5th no core
Piece is detected, if the 5th wireless chip does not exist or can't detect, terminates to receive temperature and pressure data；If the 5th no
The success of line chip detection, the receiving channel initialization to the 5th wireless chip, then detection receives answer signal；If reception response
Signal detection failure, then terminate to receive temperature and pressure data；If receiving answer signal and detecting successfully, the 5th wireless chip connects
Shrinkage temperature and pressure data by temperature and pressure data is activation to LCD liquid crystal display, aobvious on described LCD liquid crystal display
Show down-hole real-time temperature and pressure data.
The beneficial effect that the present invention brings is：The down-hole temperature and pressure detection wireless relay Transmission system of the present invention, by temperature
Transmitter, DC source, pressure transmitter, the first signal conversion module, secondary signal modular converter, microcontroller, relaying mould
Block can realize the real-time monitoring of downhole temperature and pressure data with receiving display module, can effectively weaken down-hole formation to electricity
The impact of magnetic wave transmission；One or more temperature and pressure data transmission blocks and trunk module can be adopted according to drilling depth simultaneously,
Realize multistage transmission, effectively increase electromagnetic transmission distance, increase depth-logger.
Brief description
Fig. 1 is the composition figure that down-hole of the present invention temperature and pressure detect wireless relay Transmission system.
Fig. 2 is that down-hole of the present invention temperature and pressure detect the temperature transmitter of wireless relay Transmission system, DC source, pressure inverting
Device and the circuit diagram of first, second signal conversion module.
Fig. 3 is that down-hole of the present invention temperature and pressure detect that the temperature and pressure data transmission blocks of wireless relay Transmission system send the one of data
Flow chart.
Fig. 4 is a flow chart of the trunk module work that down-hole of the present invention temperature and pressure detect wireless relay Transmission system.
Fig. 5 is the flow chart receiving display module work that down-hole of the present invention temperature and pressure detect wireless relay Transmission system.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
Refer to Fig. 1 and Fig. 2, The embodiment provides a kind of down-hole temperature and pressure detection wireless relay Transmission system,
Including temperature transmitter 1, DC source 2, pressure transmitter 3, the first signal conversion module 4, secondary signal modular converter 5, micro-
Controller 6, trunk module 7 and reception display module 8, DC source 2 is as the power supply of temperature transmitter 1 and pressure transmitter 3
Power supply, is connected with temperature transmitter 1 and pressure transmitter 3 simultaneously, and temperature transmitter 1 is connected with the first signal conversion module 4, pressure
Power transmitter 3 is connected with secondary signal modular converter 5, the first signal conversion module 4 and secondary signal modular converter 5 respectively with micro-
Controller 6 connects, and microcontroller 6 is connected with trunk module 7, and trunk module 7 is connected with receiving display module 8.
In one embodiment, microcontroller 6 adopts ARM microcontroller, and it includes temperature signal input 601, pressure letter
Number input 602, AD acquisition module 61, temperature and pressure modular converter 62 and temperature and pressure data transmission blocks 63, AD acquisition module 61, temperature and pressure
Modular converter 62 and temperature and pressure data transmission blocks 63 are integrated on microcontroller 6 respectively, and AD acquisition module 61 includes simulation numeral
Transducer 611, temperature and pressure modular converter 62 includes the first wireless chip 621, and temperature and pressure data transmission blocks 63 include the second no core
Piece 631, trunk module 7 includes the 3rd wireless chip 71 and the 4th wireless chip 72, receives display module 8 and includes the 5th no core
Piece 81 and LCD liquid crystal display 82.
Temperature transmitter 1 and pressure transmitter 3 detection temperature signal and pressure signal respectively, and by temperature signal and pressure
Signal is converted into standard voltage signal, and standard voltage signal is respectively through the first signal conversion module 4 and secondary signal modulus of conversion
Block 5 is changed, and standard voltage signal passes through temperature signal input 601 and pressure signal input end 602 after conversion respectively
It is input on microcontroller 6, is then wirelessly transmitted to AD acquisition module 61, the normal voltage collecting is believed by AD acquisition module 61
Number be converted to digital signal, radio transmission of digital signals to temperature and pressure modular converter 62, it is wireless that temperature and pressure modular converter 62 passes through first
Chip 621 receives digital signal, and the first wireless chip 621 converts digital signals into corresponding temperature and pressure by plug-in
Force data, then temperature and pressure data be wirelessly transmitted to temperature and pressure data transmission blocks 63, temperature and pressure data transmission blocks 63 are passed through
Second wireless chip 631 sends temperature and pressure data, and then temperature and pressure data is wirelessly transmitted to trunk module 7, relaying
Module 7 receives temperature and pressure data by the 3rd wireless chip 71, and sends temperature and pressure by the 4th wireless chip 72
Data, then temperature and pressure data be wirelessly transmitted to reception display module 8, receive display module 8 pass through the 5th wireless chip
81 reception temperature and pressure data, the 5th wireless chip 81 is by temperature and pressure data is activation to LCD liquid crystal display 82.
In one embodiment, the quantity of temperature and pressure data transmission blocks 63 and trunk module 7 is one or more, using multiple
Temperature and pressure data transmission blocks 63 and trunk module 7 can increase electromagnetic transmission distance.
The standard voltage signal of temperature transmitter 1 output is converted into and microcontroller 6 through the first signal conversion module 4
The output voltage that matches of pin input voltage, the standard voltage signal of pressure transmitter 3 output changes through secondary signal
Module 5 is converted into the output voltage matching with the pin input voltage of microcontroller 6.
Refer to Fig. 2, it is temperature transmitter 1, DC source 2, pressure transmitter 3 and the first signal conversion module 4, the
The circuit diagram of binary signal modular converter 5, the first signal conversion module 4 includes first resistor R1, second resistance R2 and the first electric capacity
C1, secondary signal modular converter 5 includes 3rd resistor R3, the 4th resistance R4 and the second electric capacity C2, the first electric capacity C1 and second electricity
Hold C2 and can filter high-frequency signal, DC source 2 includes positive source pin 21 and power cathode pin 22, and temperature transmitter 1 wraps
Include the first power supply supply pin 11, the first signal output anode pin 13 and the first signal output negative terminal pin 12, the first power supply
Supply pin 11 is connected with positive source pin 21, and the first signal output anode pin 13 is connected with one end of first resistor R1,
The other end of first resistor R1 is connected with one end of second resistance R2 and the positive terminal of the first electric capacity C1 simultaneously, first resistor R1
The other end is connected with temperature signal input 601 with the junction point of one end of second resistance R2, and the other end of second resistance R2 is same
When be connected with the negative pole end of the first electric capacity C1 and the first signal output negative terminal pin 12, the first signal output negative terminal pin 12 and electricity
Source negative pin 22 connects, and the other end of the first signal output negative terminal pin 12 and second resistance R2 is grounded simultaneously；
It is negative that pressure transmitter 3 includes second source supply pin 31, secondary signal output plus terminal pin 33 and secondary signal output
End pin 32, second source supply pin 31 is connected with positive source pin 21, secondary signal output plus terminal pin 33 and the 3rd
One end of resistance R3 connects, the other end of 3rd resistor R3 simultaneously with one end of the 4th resistance R4 and the positive terminal of the second electric capacity C2
Connect, the other end of 3rd resistor R3 is connected with pressure signal input end 602 with the junction point of one end of the 4th resistance R4, the 4th
The other end of resistance R4 exports negative terminal pin 32 and is connected with the negative pole end of the second electric capacity C2 and secondary signal simultaneously, and secondary signal is defeated
Go out negative terminal pin 32 to be connected with power cathode pin 22, secondary signal exports negative terminal pin 32 and the other end of the 4th resistance R4 is same
When ground connection；The partial pressure coefficient of second resistance R2 is equal to the pin input voltage of microcontroller 6 and the standard output of temperature transmitter 1
The ratio of voltage, the partial pressure coefficient of the 4th resistance R4 is equal to the pin input voltage of microcontroller 6 and the standard of pressure transmitter 3
The ratio of output voltage.
In one embodiment, the supply voltage of DC source 2 is 24V, and microcontroller 6 adopts model
The chip of stm32f103zet6, first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4 are all using accurate electricity
Resistance, the first electric capacity C1 and the second electric capacity C2 all adopts the filter capacitor for 0.1uF for the capacitance, the drawing of stm32f103zet6 chip
Foot input voltage is 0-3.3V, and the output voltage of temperature transmitter 1 and pressure transmitter 3 is 0-5V, in order to turn 0-5V voltage
It is changed to 0-3.3V voltage, the partial pressure coefficient of second resistance R2 and the 4th resistance R4 should be 0.66, then first resistor R1 and the second electricity
The ratio of the resistance value of when 3rd resistor R3 of resistance value of resistance R2 and the 4th resistance R4 is 17:33, divided using precision resistance
Press the precision it is ensured that after electric resistance partial pressure, partial pressure scheme is reliable, can eliminate other voltage signal sources using filter capacitor
Interference, improves the job stability of circuit.
Work process：Refer to Fig. 1 to Fig. 5, after connecting DC source 2, temperature transmitter 1 and pressure transmitter 3 are respectively
The temperature signal of detection down-hole and pressure signal, temperature signal and pressure signal are by temperature transmitter 1 and pressure transmitter 3 difference
It is converted into the standard voltage signal of 0-5V, then the standard voltage signal of 0-5V is respectively through the first signal conversion module 4 and
Binary signal modular converter 5 is converted into the standard voltage signal of 0-3.3V, and then the standard voltage signal of 0-3.3V passes through respectively
Temperature signal input 601 and pressure signal input end 602 are input on microcontroller 6, and are wirelessly transmitted to AD acquisition module
After 61, AD acquisition modules 61 collect the standard voltage signal of 0-3.3V, by analog-digital converter 611 by the mark of 0-3.3V
Quasi- voltage signal is converted to the digital signal of 0-4096, and then the radio transmission of digital signals of 0-4096 is to temperature and pressure modular converter
62, the first wireless chip 621 receives the digital signal of 0-4096, and passes through plug-in, and the digital signal of 0-4096 is turned
It is changed to temperature and pressure data, then temperature and pressure data is wirelessly transmitted to temperature and pressure data transmission blocks 63, refers to Fig. 3,
It is the flow chart that temperature and pressure data transmission blocks 63 send data, and its workflow is：
Step S301, temperature and pressure data transmission blocks 63 detect to the second wireless chip 631, if the second wireless chip 631 is not
Exist or can't detect, to step S305；If the second wireless chip 631 detects successfully, to step S302；
Step S302, temperature and pressure data transmission blocks 63 initialize to the transmission channel of the second wireless chip 631, then arrive step
S303；
Step S303, detection transmitting answer signal, if transmitting answer signal detects unsuccessfully, to step S305；If transmitting response letter
Number detect successfully, to step S304；
Step S304, the second wireless chip 631 sends temperature and pressure data, then arrives step S305；
Step S305, terminates to send temperature and pressure data.
Temperature and pressure data is wirelessly transmitted to trunk module 7 by temperature and pressure data transmission blocks 63, refers to Fig. 4, its
For the flow chart of trunk module work, its workflow is：
Step S401, trunk module 7 detects to the 3rd wireless chip 71, if the 3rd wireless chip 71 does not exist or detects
Less than to step S408;If the 3rd wireless chip 71 detects successfully, to step S402；
Step S402, trunk module 7 initializes to the receiving channel of the 3rd wireless chip 71, then arrives step S403；
Step S403, detection receives answer signal, if receive answer signal detecting unsuccessfully, to step S408；If receiving response letter
Number detect successfully, to step S404；
Step S404, the 3rd wireless chip 71 receives temperature and pressure data and preserves, and then arrives step S405；
Step S405, trunk module 7 initializes to the sendaisle of the 4th wireless chip 72, to step S406；
Step S406, detection sends answer signal, if send answer signal detecting unsuccessfully, to step S408；If sending response letter
Number detect successfully, to step S407；
Step S407, the 4th wireless chip 72 sends temperature and pressure data, then arrives step S408；
Step S408, terminates to receive and sends temperature and pressure data.
Temperature and pressure data is wirelessly transmitted to reception display module 8 by trunk module 7, refers to Fig. 5, and it is to receive
The flow chart of display module 8 work, its workflow is：
Step S501, receive display module 8 the 5th wireless chip 81 is detected, if the 5th wireless chip 81 do not exist or
Can't detect, to step S506；If the 5th wireless chip 81 detects successfully, to step S502；
Step S502, receives display module 8 and the receiving channel of the 5th wireless chip 81 is initialized, then arrive step S503；
Step S503, detection receives answer signal, if receive answer signal detecting unsuccessfully, to step S506；If receiving response letter
Number detect successfully, to step S504；
Step S504, the 5th wireless chip 81 receives temperature and pressure data and by temperature and pressure data is activation to LCD liquid crystal
On display 82, then arrive step S505；
Step S505, LCD liquid crystal display 82 shows down-hole real-time temperature and pressure data, then arrives step S506；
Step S506, terminates to receive temperature and pressure data.
Above-mentioned down-hole temperature and pressure detection wireless relay Transmission system passes through temperature transmitter 1, DC source 2, pressure transmitter
3rd, the first signal conversion module 4, secondary signal modular converter 5, microcontroller 6, trunk module 7 and reception display module 8 are permissible
Realize the real-time monitoring of downhole temperature and pressure data, can effectively weaken the impact to electromagnetic transmission for the down-hole formation；Simultaneously
One or more temperature and pressure data transmission blocks 63 and trunk module 7 can be adopted according to drilling depth, realize multistage transmission, effectively
Increase electromagnetic transmission distance, increase depth-logger.
In the case of not conflicting, the feature in embodiment herein-above set forth and embodiment can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described down-hole temperature and pressure detection wireless relay passes
Defeated system includes temperature transmitter, DC source, pressure transmitter, the first signal conversion module, secondary signal modular converter, micro-
Controller, trunk module and reception display module, described DC source is connected with temperature transmitter and pressure transmitter simultaneously, institute
State temperature transmitter to be connected with the first signal conversion module, described pressure transmitter is connected with secondary signal modular converter, described
First signal conversion module and secondary signal modular converter are connected with microcontroller respectively, and described microcontroller is with trunk module even
Connect, described trunk module is connected with receiving display module.
2. as claimed in claim 1 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described microcontroller
Device adopts ARM microcontroller, and it includes temperature signal input, pressure signal input end, AD acquisition module, temperature and pressure modular converter
With temperature and pressure data transmission blocks, described AD acquisition module, temperature and pressure modular converter and temperature and pressure data transmission blocks are integrated in micro- respectively
On controller, described AD acquisition module includes analog-digital converter, and described temperature and pressure modular converter includes the first wireless chip, institute
State temperature and pressure data transmission blocks and include the second wireless chip, described trunk module includes the 3rd wireless chip and the 4th no core
Piece, described reception display module includes LCD liquid crystal display and the 5th wireless chip.
3. as claimed in claim 2 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described unidirectional current
Source is the power supply of temperature transmitter and pressure transmitter, and detection temperature is believed respectively for described temperature transmitter and pressure transmitter
Number and pressure signal, and described temperature signal and pressure signal are converted into standard voltage signal, described standard voltage signal divides
Do not changed through the first signal conversion module and secondary signal modular converter, described standard voltage signal difference after conversion
It is input on microcontroller by temperature signal input and pressure signal input end, be then wirelessly transmitted to AD acquisition module,
The standard voltage signal collecting is converted to digital signal by described AD acquisition module, and described radio transmission of digital signals is to temperature and pressure
Modular converter, described temperature and pressure modular converter passes through the first wireless chip and receives digital signal, and described first wireless chip passes through interior
The program of putting converts digital signals into corresponding temperature and pressure data, and then described temperature and pressure data is wirelessly transmitted to temperature
Pressure data transmission blocks, described temperature and pressure data transmission blocks are passed through the second wireless chip and are sent temperature and pressure data, Ran Housuo
State temperature and pressure data and be wirelessly transmitted to trunk module, described trunk module passes through the 3rd wireless chip and receives temperature and pressure
Data, and temperature and pressure data is sent by the 4th wireless chip, then temperature and pressure data is wirelessly transmitted to reception and shows
Show module, described reception display module passes through the 5th wireless chip and receives temperature and pressure data, and described 5th wireless chip will
Temperature and pressure data is activation is on LCD liquid crystal display.
4. as claimed in claim 3 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described temperature becomes
The standard voltage signal sending device output is converted into the pin input voltage phase with microcontroller through the first signal conversion module
The output voltage of coupling, the standard voltage signal of described pressure transmitter output through secondary signal modular converter be converted into
The output voltage that the pin input voltage of microcontroller matches.
5. as claimed in claim 4 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described first letter
Number modular converter includes first resistor, second resistance and the first electric capacity, described secondary signal modular converter include 3rd resistor,
Four resistance and the second electric capacity, described DC source includes positive source pin and power cathode pin, described temperature transmitter bag
Include the first power supply supply pin, the first signal output anode pin and the first signal output negative terminal pin, described first power supply supplies
Pin is answered to be connected with positive source pin, described first signal output anode pin is connected with one end of first resistor, described
The other end of one resistance is connected with one end of second resistance and the positive terminal of the first electric capacity simultaneously, the other end of described first resistor
It is connected with temperature signal input with the junction point of one end of second resistance, the other end of described second resistance is simultaneously electric with first
The negative pole end holding and the first signal output negative terminal pin connect, and described first signal output negative terminal pin is with power cathode pin even
Connect, the other end of described first signal output negative terminal pin and second resistance is grounded simultaneously；Described pressure transmitter includes second
Power supply supply pin, secondary signal output plus terminal pin and secondary signal output negative terminal pin, described second source supplies pin
It is connected with positive source pin, described secondary signal output plus terminal pin is connected with one end of 3rd resistor, described 3rd resistor
The other end be connected with one end of the 4th resistance and the positive terminal of the second electric capacity simultaneously, the other end of described 3rd resistor and the 4th
The junction point of one end of resistance is connected with pressure signal input end, and the other end of described 4th resistance is simultaneously negative with the second electric capacity
Extreme and secondary signal output negative terminal pin connects, and described secondary signal output negative terminal pin is connected with power cathode pin, institute
State secondary signal output negative terminal pin and the other end of the 4th resistance is grounded simultaneously；Described first electric capacity and the second electric capacity can filter
High-frequency signal.
6. as claimed in claim 5 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described second electricity
The partial pressure coefficient of resistance is equal to the ratio of the standard output voltage of pin input voltage and the temperature transmitter of microcontroller, and described the
The partial pressure coefficient of four resistance is equal to the ratio of the pin input voltage of microcontroller and the standard output voltage of pressure transmitter.
7. as claimed in claim 3 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described temperature and pressure number
Workflow according to sending module is：Described temperature and pressure data transmission blocks first detect to the second wireless chip, if the second nothing
Core piece does not exist or can't detect, then terminate to send temperature and pressure data；If described second wireless chip detects successfully,
Transmission channel initialization to the second wireless chip, then detection transmitting answer signal；If transmitting answer signal detects unsuccessfully,
Terminate to send temperature and pressure data；If transmitting answer signal detects successfully, the second wireless chip sends temperature and pressure number
According to.
8. as claimed in claim 3 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described relaying mould
The workflow of block is：Described trunk module first detects to the 3rd wireless chip, if the 3rd wireless chip do not exist or
Can't detect, then terminate to receive temperature and pressure data；If the 3rd wireless chip detects successfully, the reception to the 3rd wireless chip
Passage initializes, and then detection receives answer signal；If receiving answer signal to detect unsuccessfully, terminate to receive temperature and pressure number
According to；If receiving answer signal and detecting successfully, the 3rd wireless chip receives temperature and pressure data and preserves；Then to the 4th no
The sendaisle initialization of core piece, and detect transmission answer signal；If sending answer signal to detect unsuccessfully, terminate to send temperature
Degree and pressure data；If sending answer signal and detecting successfully, the 4th wireless chip sends temperature and pressure data.
9. as claimed in claim 7 or 8 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described temperature
The quantity of pressure data transmission blocks and trunk module is one or more, using multiple temperature and pressure data transmission blocks and trunk module
Electromagnetic transmission distance can be increased.
10. as claimed in claim 3 a kind of down-hole temperature and pressure detection wireless relay Transmission system it is characterised in that：Described reception
The workflow of display module is：Described reception display module first detects to the 5th wireless chip, if the 5th wireless chip
Do not exist or can't detect, then terminate to receive temperature and pressure data；If the 5th wireless chip detects successfully, wireless to the 5th
The receiving channel initialization of chip, then detection receives answer signal；If receiving answer signal to detect unsuccessfully, terminate to receive temperature
Degree and pressure data；If receive answer signal detect successfully, the 5th wireless chip reception temperature and pressure data by temperature
It is sent on LCD liquid crystal display with pressure data, described LCD liquid crystal display shows down-hole real-time temperature and pressure number
According to.
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