CN104378810A - Low-power-dissipation wireless communication system of well wall detection terminal and detection communication method - Google Patents
Low-power-dissipation wireless communication system of well wall detection terminal and detection communication method Download PDFInfo
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- CN104378810A CN104378810A CN201410637352.8A CN201410637352A CN104378810A CN 104378810 A CN104378810 A CN 104378810A CN 201410637352 A CN201410637352 A CN 201410637352A CN 104378810 A CN104378810 A CN 104378810A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a low-power-dissipation wireless communication system of a well wall detection terminal and a detection communication method. The system comprises a plurality of wireless monitoring terminal devices arranged on a well wall and a portable wireless collecting device; each wireless monitoring terminal device comprises a first wireless communication assembly, a real-time clock module, a first battery power supply module, a monitoring driving module and an external sensor which are connected with a first single-chip microcomputer minimum system; the portable wireless collecting device comprises a second wireless communication assembly, a storage device module, a second battery power supply module and a keyboard liquid crystal display module which are connected with a second single-chip microcomputer minimum system. In order to reduce power dissipation of wireless monitoring terminals, the wireless monitoring terminals monitor and record well wall parameters in a timed monitoring mode; in order to eliminate power dissipation generated by communication of the wireless monitoring terminals, the wireless communication assemblies of the system are in the closed state all the time. Only after a set awakening time arrives, the wireless monitoring terminals will start the wireless communication assemblies intermittently.
Description
Technical field
The present invention relates to a kind of low-consumption wireless communication technique field, be specifically related to a kind of low-consumption wireless communication device of borehole wall sense terminals and detect the means of communication.
Background technology
Mine shaft is the throat thoroughfare of coal production, is to ensure the construction quality of the borehole wall, is necessary that the related work situation to building the borehole wall in wall process is monitored, as the variations in temperature, borehole wall internal stress, borehole wall displacement etc. of frozen soil in pouring concrete rear wall and after wall; Build after wall completes and be still necessary to carry out long-term monitoring to the working condition of the borehole wall.
Compared with the monitoring technology in other field, implement borehole wall monitoring and be faced with some special difficulties.
1) inconvenience introduces supply line, especially during building wall;
2) cable exposed in the borehole wall is not easily protected, as scrape because of sinking stage's elevation and subsidence disconnected, blow out time impact impaired etc.;
3) after monitoring terminal is installed, once hanging scaffold falls or rises, just cannot be close, and the operating cost of sinking stage's elevation and subsidence is very high;
4) turnaround time of building wall, is longer, as built the pit shaft of 600 meters, building the wall time often more than 1 year, therefore requiring that monitoring terminal can run for a long time;
5) monitoring terminal answer volume little, be convenient to install, waterproof and dampproof, safety.
For above-mentioned situation, be necessary to develop monitoring terminal, make it have the functions such as powered battery, wireless telecommunications, self-timing collection and record.And utilize a kind of portable mobile wireless harvester and wireless monitoring terminal communication, in the moving process of well-bucket or other lifting device, carry out communication with multiple wireless monitoring terminal, instant extract the monitoring information recorded in each wireless monitoring terminal, thus overcome the borehole wall and monitor the difficulty faced.These means can be referred to as portable mobile wireless acquisition technique.
Chinese patent ZL201410100335.0 discloses a kind of shaft wall distortion distribution type fiber-optic detection method, sensor fibre is laid on borehole wall concrete surface by detection route, bottoming and sealing groove is carried out with binding agent, make sensor fibre and borehole wall concrete synchronous compatible deformation, when shaft wall deforms by pressure of freezing wall, piezometric head and the effect of grouting pressure equal pressure, test vertical is axial and hoop strain value by the borehole wall under ambient pressure effect.Distributed Optical Fiber Sensing Techniques is by whole fiber lengths carrying out continuous measurement to the variable quantity along fiber geometries path profile, obtaining the drift value of backward Brillouin scattering light frequency, analyzes the changes in distribution strained around optical fiber.According to the strain value change before and after shaft wall distortion, the non-destructive tests of detection borehole wall distortion, realizes the object detected shaft wall.The method have distributed, precision is high, simple installation and the feature such as with low cost, is applicable to the deformation detection of shaft wall under various construction technology.But this mensuration is not suitable for measurement regular for a long time.
Summary of the invention
The object of the invention is, overcomes defect of the prior art, reduces the power consumption of monitoring terminal, make its rely on limited battery capacity complete whole build wall during so that the monitoring task of longer time.
For achieving the above object, technical scheme of the present invention is: the low-consumption wireless communication system providing a kind of borehole wall sense terminals, described system comprises and is arranged on several wireless monitoring terminal devices on the borehole wall and portable mobile wireless harvester, each described wireless monitoring terminal device comprises the first wireless communication assembly be connected with the first single-chip minimum system, real-time clock module, first powered battery module, monitoring driving module and external sensor, portable mobile wireless harvester comprises the second wireless communication assembly be connected with second singlechip minimum system, memory module, second powered battery module and keyboard LCD MODULE.
Adopt a detection method for the low-consumption wireless communication system of above-mentioned borehole wall sense terminals, described detection method comprises the steps:
Step 1, wireless monitoring terminal under the control of real-time clock module, timing wake-up first single-chip minimum system, when the periodic monitor time interval then, set up monitoring state mark and enter monitoring state;
Step 2, in a monitoring state, is monitored by monitoring driving module and external sensor and records borehole wall parameter;
Step 3, after completing monitoring task, makes the first single-chip minimum system enter resting state to reduce its power consumption by software control.
Adopt means of communication for the low-consumption wireless communication system of above-mentioned borehole wall sense terminals, the described means of communication comprise the steps:
Step 1, wireless monitoring terminal, under the control of real-time clock module, when reaching communication wakeup time, being set up and being waken mark up, thus entry communication wake-up states;
Step 2, in the awake state, wireless monitoring terminal is whenever 1 second timing is to namely starting wireless communication assembly, and make wireless communication assembly enter wireless transmission modes, then very brief call information is sent once by wireless communication assembly, CSMA/CD mechanism is utilized to detect the response message whether receiving portable mobile wireless harvester, as do not received response message, then close wireless communication assembly immediately, and then make the first single-chip minimum system enter resting state, until next second timing then repeats this process;
Step 3, when portable mobile wireless harvester moves within effective communication distance, will capture call information that wireless monitoring terminal sends and be replied immediately; Namely wireless monitoring terminal proceeds to wireless receive mode after receiving this response message, sends data acquisition command to receive portable mobile wireless harvester;
If wireless monitoring terminal receives the data acquisition command that portable mobile wireless harvester sends, first order is resolved, check whether and need to upgrade timing working parameter and wakeup time spacing parameter, then it is upgraded if needed, thus wireless monitoring device is run by new running parameter; Then wireless monitoring terminal will transfer send mode to, and whole Information Monitorings of it being recorded are sent by the first wireless communication module;
Step 4, after wireless monitoring terminal information is sent completely, wakes removing up mark, closes the first wireless communication assembly, and and then makes the first single-chip minimum system enter resting state, until the next one wakes the arrival in moment up.
Preferred technical scheme is, described first wireless communication assembly and the second wireless communication assembly are CSMA/CD communication mechanism.
Preferred technical scheme also has, and the set of time waken up in described step 1, carves not then upon wake up, and the first wireless communication assembly is closed; When being carved into upon wake up, the first wireless communication assembly is that its working time control is within a few tens of milliseconds with 1 second for cycle discontinuous operation; When portable mobile wireless harvester moves with lifting device in pit shaft, first wireless communication assembly is with the method for calling of 1 time per second, and the second wireless communication assembly upgrades the timing working parameter of wireless monitoring terminal at effective communication apart from interior data acquisition process and/or the order that sends.
Preferred technical scheme also has, and the running status of described monitoring terminal comprises monitoring state, communication wake-up states, communication closed condition and resting state.
Preferred technical scheme also has, described monitoring state can enter monitoring state for inquired monitoring mark by the first single-chip minimum system after, in this case, wireless monitoring terminal performs monitoring task to connected external sensor, and the information gathered by external sensor is stored in internal storage region, after information stores, namely remove monitoring mark, exit monitoring state.
Preferred technical scheme also has, described communication wake-up states is, first single-chip minimum system inquires after communication wakes mark up and opens the first wireless communication assembly and entry communication wake-up states, in this case, first wireless communication assembly interval sends call information, when setting up after communication is connected with the portable mobile wireless harvester within the scope of effective communication, namely perform according to protocol conventions, or carry out the setting of relevant parameter, maybe the external sensor Information Monitoring of storage is sent to the second wireless communication assembly, or the two haves both at the same time, after task completes, namely remove communication and wake mark up, exit communication wake-up states, communication task completes within 0.1 millisecond ~ a few tens of milliseconds.
Preferred technical scheme also has, and described communication closed condition is, does not open the first wireless communication assembly, be now in communication closed condition when the first single-chip minimum system system inquiry of wireless monitoring terminal wakes mark up less than communication.
Preferred technical scheme also has, and described effective communication scope is in 80 meters, and described resting state is, due to the intermittent duty of wireless monitoring terminal, its overwhelming majority time will be in resting state, only has real-time clock parts in work.
Advantage of the present invention and beneficial effect be, the low-consumption wireless communication device of borehole wall wireless monitoring terminal solves the power problems reducing monitoring terminal, make its rely on limited battery capacity complete whole build wall during so that the monitoring of longer time.The power consumption of monitoring terminal is two aspects by task dividable, one is the power consumption produced when performing monitoring task, monitoring task normally starts in the mode of self-timing, thus reduces power consumption with service intermittent, and the size of power consumption is relevant to the physical property of connect external sensor.Two is the power consumptions produced when monitoring terminal is in communication state, and this system (is the low-power consumption LAN protocol based on IEEE802.15.4 standard with ZigBee.Specify according to international standard, ZigBee technology is the wireless communication technology of a kind of short distance, low-power consumption) wireless communication technique is example, its effective communication distance about 80 meters farthest, monitoring terminal is in accepting state or sends state and all can produce certain power consumption, thus affects the permanently effective work of wireless monitoring terminal.
The beneficial effect of the detection method of the low-consumption wireless communication device of borehole wall wireless monitoring terminal is:
1, for the wireless monitoring terminal of low-power consumption, monitor with timing mode, and monitoring information can be recorded to internal storage region;
2, to wireless communication assembly be provided with wakeup time control, only have be carved into upon wake up come time, just can start wireless communication module;
When 3, being carved into upon wake up, wireless monitoring terminal controls wireless communication assembly generation per second 1 call information, waits for the response of portable mobile wireless harvester;
4, after taking the response of formula wireless acquisition device, (in tens ms, with the change of information amount) communication can be completed at short notice, and make wireless monitoring terminal close wireless communication module, until the next one wakes the arrival in moment up;
5, wakeup time interval and monitoring fixed time interval can be set when data acquisition by portable mobile wireless harvester;
6, the wireless communication assembly of wireless monitoring terminal has CSMA/CD communication mechanism, when installing multiple wireless monitoring terminal in the borehole wall, and not reason conflict and affecting and communication between portable mobile wireless harvester.
Accompanying drawing explanation
Fig. 1 is that in present system, wireless monitoring terminal forms structural representation;
Fig. 2 is that in present system, portable mobile wireless harvester forms schematic diagram;
Fig. 3 is real-time clock Terminal Service schematic flow sheet in present system;
Fig. 4 is the software control schematic flow sheet of monitoring terminal in present system;
Fig. 5 is the software control schematic flow sheet of portable mobile wireless harvester in present system.
In figure: 11-first single-chip minimum system, 12-first wireless communication assembly, 13-real-time clock module, 14-first powered battery module, 15-monitoring driving module, 16-external sensor, 21-second singlechip minimum system, 22-second wireless communication assembly, 23-memory module, 24-second powered battery module, 25-keyboard LCD MODULE.
Embodiment
As Fig. 1, shown in 2, the present invention is a kind of low-consumption wireless communication system of borehole wall wireless monitoring terminal, described system comprises and is arranged on several wireless monitoring terminal devices on the borehole wall and portable mobile wireless harvester, each described wireless monitoring terminal device comprises the first wireless communication module assembly 12 be connected with the first single-chip minimum system 11, real-time clock module 13, first powered battery module 14, monitoring driving module 15 and external sensor 16, portable mobile wireless harvester comprises the second wireless communication assembly 22 be connected with second singlechip minimum system 21, memory module 23, second powered battery module 24 and keyboard LCD MODULE 25.
Present invention also offers a kind of detection method adopting the low-consumption wireless communication system of described borehole wall sense terminals, described detection method comprises the steps:
Step 1, wireless monitoring terminal, under the control of real-time clock module 13, in the mode of timing wake-up first single-chip minimum system 11, is monitored by monitoring driving module 15 and external sensor 16 and records borehole wall parameter;
Step 2, until after setting-up time first single-chip minimum system 11 is waken up, the first wireless communication assembly 12 sends once very brief call information every 1 second;
Step 3, when portable mobile wireless harvester moves within effective communication distance, call information that the first wireless communication assembly 12 sends will be captured and replied immediately, and send data acquisition command by the second wireless communication assembly 22, read whole recorded informations of wireless monitoring terminal, and upgrade timing working parameter and the wakeup time spacing parameter of wireless monitoring terminal by the order that the second wireless communication assembly 22 sends;
Step 4, after the information transmission between the first wireless communication assembly 12 and the second wireless communication assembly 22 completes, wireless monitoring terminal is by closedown first wireless communication assembly 12, until the next one wakes the arrival in moment up.
The preferred technical scheme of the present invention is, described first wireless communication assembly 12 and the second wireless communication assembly 22 all CSMA/CD communication mechanisms.
The preferred embodiment of the invention also has, the time design waken up in described step 1, and carve upon wake up not then, the first wireless communication assembly 12 is closed; When being carved into upon wake up, the first wireless communication assembly 12 is that its working time control is within a few tens of milliseconds with 1 second for cycle discontinuous operation; When portable mobile wireless harvester moves with lifting device in pit shaft, first wireless communication assembly 12 is with the method for calling of 1 time per second, and the second wireless communication assembly 22 upgrades the timing working parameter of wireless monitoring terminal at effective communication apart from interior data acquisition process and/or the order that sends.
The preferred embodiment of the invention also has, and the running status of described monitoring terminal comprises monitoring state, communication wake-up states, communication closed condition and resting state.
The preferred embodiment of the invention also has, described monitoring state can enter monitoring state for inquired monitoring mark by the first single-chip minimum system 11 after, in this case, wireless monitoring terminal performs monitoring task to connected external sensor 16, and the information gathered by external sensor 16 is stored in internal storage region, after information stores, namely remove monitoring mark, exit monitoring state.
The preferred embodiment of the invention also has, described communication wake-up states is, first single-chip minimum system 11 inquires after communication wakes mark up and opens the first wireless communication module 12 i.e. entry communication wake-up states, in this case, first wireless communication module 12 interval sends call information, when setting up after communication is connected with the portable mobile wireless harvester within the scope of effective communication, namely perform according to protocol conventions, or carry out the setting of relevant parameter, maybe external sensor 16 Information Monitoring of storage is sent to the second wireless communication assembly 22, or the two haves both at the same time, after task completes, namely remove communication and wake mark up, exit communication wake-up states, communication task completes within 0.1 millisecond ~ a few tens of milliseconds.
The preferred embodiment of the invention also has, and described communication closed condition is, the first single-chip minimum system 11 of wireless monitoring terminal is inquired about when waking mark up less than communication and do not opened the first wireless communication assembly 12, is now in communication closed condition.
The preferred embodiment of the invention also has, and described effective communication scope is in 80 meters, and described resting state is, due to the intermittent duty of wireless monitoring terminal, its overwhelming majority time will be in resting state, only has real-time clock module 13 in work.
Embodiment
The present invention is a kind of low-consumption wireless communication system of borehole wall sense terminals, and this system is made up of wireless monitoring terminal and portable mobile wireless harvester.
As shown in Figure 1, wireless monitoring terminal is a kind of hardware, software coupling apparatus based on single-chip microcomputer design, comprising: the first single-chip minimum system 11, first wireless communication assembly 12, (RTC) real-time clock mould 13, first powered battery module 14, monitoring driving module 15, external sensor 16; Wherein powered battery module 14 is other module for power supply of wireless monitoring terminal, first single-chip minimum system 11 performs the various functions of monitoring and realizing wireless monitoring terminal with bitcom, and the first wireless communication assembly 12 is for the data communication between portable mobile wireless harvester; Monitoring driving module 15 is for realizing the monitoring to external sensor 16; Real-time clock module 13 for generation of one second tick interrupt.
As shown in Figure 2, portable mobile wireless harvester is a kind of hardware based on embedded computer, software design patterns, wherein second singlechip minimum system 21, second wireless communication assembly 22, memory module 23, second powered battery module 24, keyboard display module 25.Wherein powered battery module 24 is other module for power supply of portable mobile wireless harvester, second singlechip minimum system 21 performs the various functions managing and realize portable mobile wireless harvester with bitcom, and the second wireless communication assembly 22 is for the data communication between monitoring terminal; Memory module 23 is for the storage to gathered monitoring information; Keyboard LCD MODULE 25 provides the man-machine interface of harvester, by the timework parameter of each monitoring terminal of this module installation and the gatherer process of log-on data.
One, the running status of monitoring terminal is arranged, and monitoring terminal can be in one of following several state in running:
1) monitoring state: wireless monitoring terminal under the control of real-time clock module, timing wake-up first single-chip minimum system 11, when the periodic monitor time interval then, set up monitoring state mark.First single-chip minimum system 11 can enter monitoring state after inquiring monitoring mark, and in this case, monitoring terminal performs monitoring task to external sensor 16, and by monitoring information stored in internal storage region, task completes, and namely removes monitoring mark, exits monitoring state.
2) communication wake-up states: the first single-chip minimum system 11 system inquires after communication wakes mark up opens the first wireless communication assembly 12 i.e. entry communication wake-up states, in this case, monitoring terminal interval sends call information, when setting up after communication is connected with the portable mobile wireless harvester within the scope of effective communication, namely perform according to protocol conventions, or carry out the setting of relevant parameter, maybe the monitoring information of storage is sent to harvester, or the two haves both at the same time, after task completes, namely remove communication and wake mark up, exit communication wake-up states.Communication task can complete in 0.1ms ~ tens ms.
3) communication closed condition: the first single-chip minimum system 11 is inquired about when waking mark up less than communication and do not opened the first wireless communication assembly, thus is in communication closed condition, significantly can reduce the power consumption of monitoring terminal.
4) resting state: due to the intermittent duty of monitoring terminal, its overwhelming majority time will be in resting state, and only have real-time clock module 13 in work, its power consumption is often at tens microampere orders.
Two, the timing unit design and convert of monitoring terminal:
1) periodic monitor timing unit, the periodic monitor for monitoring terminal manages, and only has this timing time then, just can perform the monitoring to external sensor 16.
2) communication wakes timing unit up, for the timer supervision of the first wireless communication assembly 12 in monitoring terminal, only have this timing time then, just can open the first wireless communication assembly 12 and carry out the intermittent communication with Portable acquiring instrument, otherwise the first wireless communication assembly 12 will be in closed condition.
3) second Clock management, by the real-time clock module 13 in monitoring terminal realize one second tick interrupt.Whenever producing once tick interrupt second, just monitoring terminal is waken up from resting state.In interrupt service routine, namely carry out timing renewal to relevant timing unit, when reaching periodic monitor timing set point, set allows monitoring mark; When reaching communication and waking timing set point up, set allows communication to wake mark up.Refer to Fig. 3.
Three, the software control design of monitoring terminal:
As shown in Figure 4, software can be divided into initialization and major cycle process two parts.
1) initialization section, storehouse initialization, the initialization of monitoring port driving, the initialization of real-time clock module 13: a second tick interrupt is set.The initialization of the first wireless communication assembly: setting contents of channel, power, address, has CSMA/CD communication mechanism.
2) major cycle process, first makes the first single-chip minimum system 11 enter resting state, the power consumption of monitoring terminal is down to minimum; Often through 1 second time, real-time clock module 13 produces and interrupts, and is waken up by the first single-chip minimum system 11 from resting state; Whether inquiry has allows monitoring mark, if having, need complete monitoring task, and obtained monitoring information is recorded to the storage area of setting successively, and remove periodic monitor mark within 1 second.Whether inquiry has allows communication to wake mark up, if have, open the first wireless communication assembly 12 and enter transmission state, send call information, CSMA/CD mechanism is utilized to detect the response message whether receiving portable mobile wireless harvester, if do not allow communication to wake mark up, namely close the first wireless communication assembly and again enter resting state.
When receiving the response message of portable mobile wireless harvester, wireless monitoring terminal proceeds to receive mode, receives the data acquisition command sent by portable mobile wireless harvester in limited time.As (5ms) does not receive acquisition within the restriction time limit, then close wireless communication module, and and then enter resting state.Namely proceed to send mode as received acquisition, recorded monitoring information is all sent, namely remove after being sent completely and allow wireless telecommunications to wake up and indicate and close wireless communication assembly.When comprising timing parameters configuration information in data acquisition command, the renewable corresponding timing parameters of wireless monitoring terminal, removes wireless telecommunications after data acquisition and parameter upgrade and wakes up and indicate and close wireless communication assembly.
Four, the software control design of portable mobile wireless harvester:
As shown in Figure 5, software can be divided into initialization and master control process two parts.
1) initialization section, the initialization of storehouse initialization, storage module interface initialization, keyboard display module; The initialization of the second wireless communication assembly 22: setting contents of channel, power, address, has CSMA/CD communication mechanism.
2) master control process, after initialization, on display module, Presentation Function selects interface, and carries out function selection by keyboard;
Selection function 1: parameters, will select the terminal that will arrange, and then call the original parameters of this terminal, and modify on this basis further by keyboard display module, return function select interface after amendment terminates by ESC Escape.
Selection function 2: start and gather, check whether each terminal parameters changes, sets up order 1 to the terminal not occurring to change, and sets up order 2, then open the second wireless communication assembly, and enter reception answer-mode the terminal occurring to change.
Under reception answer-mode, if receive the call information of a certain terminal, automatically should beam back response message, then proceed to send mode, data acquisition command is sent to this terminal.Order proceeds to receiving mode after sending again, then whole monitoring informations that this terminal records are received, after finishing receiving, monitoring information is deposited to storage module, and monitoring terminal also closes wireless communication module simultaneously, thus complete the monitoring information gatherer process of this terminal, after this, portable mobile wireless harvester continues to turn back to reception answer-mode, enters the data acquisition process of other terminal.
In the process of monitored call information, can keyboard inquiry work be inserted, primary control program will be made when pressing ESC Escape to return function and select interface.
The invention is not restricted to above-mentioned execution mode, those skilled in the art make to any apparent improvement of above-mentioned execution mode or change, all can not exceed the protection range of design of the present invention and claims.
Claims (10)
1. the low-consumption wireless communication system of a borehole wall sense terminals, it is characterized in that, described system comprises and is arranged on several wireless monitoring terminal devices on the borehole wall and portable mobile wireless harvester, each described wireless monitoring terminal device comprises the first wireless communication assembly be connected with the first single-chip minimum system, real-time clock module, first powered battery module, monitoring driving module and external sensor, portable mobile wireless harvester comprises the second wireless communication assembly be connected with second singlechip minimum system, memory module, second powered battery module and keyboard LCD MODULE.
2. adopt a detection method for the low-consumption wireless communication system of borehole wall sense terminals described in right 1, it is characterized in that, described detection method comprises the steps:
Step 1, wireless monitoring terminal under the control of real-time clock module, timing wake-up first single-chip minimum system, when the periodic monitor time interval then, set up monitoring state mark and enter monitoring state;
Step 2, in a monitoring state, is monitored by monitoring driving module and external sensor and records borehole wall parameter;
Step 3, after completing monitoring task, makes the first single-chip minimum system enter resting state to reduce its power consumption by software control.
3. adopt means of communication for the low-consumption wireless communication system of borehole wall sense terminals described in right 1, it is characterized in that, the described means of communication comprise the steps:
Step 1, wireless monitoring terminal, under the control of real-time clock module, when reaching communication wakeup time, being set up and being waken mark up, thus entry communication wake-up states;
Step 2, in the awake state, wireless monitoring terminal is whenever 1 second timing is to namely starting wireless communication assembly, and make wireless communication assembly enter wireless transmission modes, then very brief call information is sent once by wireless communication assembly, CSMA/CD mechanism is utilized to detect the response message whether receiving portable mobile wireless harvester, as do not received response message, then close wireless communication assembly immediately, and then make the first single-chip minimum system enter resting state, until next second timing then repeats this process;
Step 3, when portable mobile wireless harvester moves within effective communication distance, will capture call information that wireless monitoring terminal sends and be replied immediately; Namely wireless monitoring terminal proceeds to wireless receive mode after receiving this response message, sends data acquisition command to receive portable mobile wireless harvester;
If wireless monitoring terminal receives the data acquisition command that portable mobile wireless harvester sends, first order is resolved, check whether and need to upgrade timing working parameter and wakeup time spacing parameter, then it is upgraded if needed, thus wireless monitoring device is run by new running parameter; Then wireless monitoring terminal will transfer send mode to, and whole Information Monitorings of it being recorded are sent by the first wireless communication module;
Step 4, after wireless monitoring terminal information is sent completely, wakes removing up mark, closes the first wireless communication assembly, and and then makes the first single-chip minimum system enter resting state, until the next one wakes the arrival in moment up.
4. the means of communication of the low-consumption wireless communication system of borehole wall sense terminals as claimed in claim 3, it is characterized in that, described first wireless communication assembly and the second wireless communication assembly are CSMA/CD communication mechanism.
5. the means of communication of the low-consumption wireless communication system of borehole wall sense terminals as claimed in claim 3, is characterized in that the set of time waken up in described step 1 is carved not then upon wake up, and the first wireless communication assembly is closed; When being carved into upon wake up, the first wireless communication assembly is that its working time control is within a few tens of milliseconds with 1 second for cycle discontinuous operation; When portable mobile wireless harvester moves with lifting device in pit shaft, first wireless communication assembly is with the method for calling of 1 time per second, and the second wireless communication assembly upgrades the timing working parameter of wireless monitoring terminal at effective communication apart from interior data acquisition process and/or the order that sends.
6. the detection means of communication of the low-consumption wireless communication system of borehole wall sense terminals as claimed in claim 3, it is characterized in that, the running status of described monitoring terminal comprises monitoring state, communication wake-up states, communication closed condition and resting state.
7. the detection means of communication of the low-consumption wireless communication system of borehole wall sense terminals as claimed in claim 6, it is characterized in that, described monitoring state can enter monitoring state for inquired monitoring mark by the first single-chip minimum system after, in this case, wireless monitoring terminal performs monitoring task to connected external sensor, and the information gathered by external sensor is stored in internal storage region, after information stores, namely remove monitoring mark, exit monitoring state.
8. the detection means of communication of the low-consumption wireless communication system of borehole wall sense terminals as claimed in claim 6, it is characterized in that, described communication wake-up states is, first single-chip minimum system inquires after communication wakes mark up and opens the first wireless communication assembly and entry communication wake-up states, in this case, first wireless communication assembly interval sends call information, when setting up after communication is connected with the portable mobile wireless harvester within the scope of effective communication, namely perform according to protocol conventions, or carry out the setting of relevant parameter, maybe the external sensor Information Monitoring of storage is sent to the second wireless communication assembly, or the two haves both at the same time, after task completes, namely remove communication and wake mark up, exit communication wake-up states, communication task completes within 0.1 millisecond ~ a few tens of milliseconds.
9. the detection means of communication of the low-consumption wireless communication system of borehole wall sense terminals as claimed in claim 6, it is characterized in that, described communication closed condition is, do not open the first wireless communication assembly when first single-chip minimum system system inquiry of wireless monitoring terminal wakes mark up less than communication, be now in communication closed condition.
10. the detection means of communication of the low-consumption wireless communication system of borehole wall sense terminals as claimed in claim 8, it is characterized in that, described effective communication scope is in 80 meters, described resting state is, due to the intermittent duty of wireless monitoring terminal, its overwhelming majority time will be in resting state, only has real-time clock parts in work.
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| CN201410637352.8A CN104378810B (en) | 2014-11-05 | 2014-11-05 | The low-consumption wireless communication system and the detection means of communication of a kind of borehole wall detection terminal |
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| CN201410637352.8A CN104378810B (en) | 2014-11-05 | 2014-11-05 | The low-consumption wireless communication system and the detection means of communication of a kind of borehole wall detection terminal |
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| CN104378810B CN104378810B (en) | 2018-01-30 |
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| CN201410637352.8A Expired - Fee Related CN104378810B (en) | 2014-11-05 | 2014-11-05 | The low-consumption wireless communication system and the detection means of communication of a kind of borehole wall detection terminal |
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| CN110297482A (en) * | 2019-07-10 | 2019-10-01 | 兰州屹鼎环保科技有限公司 | Vehicle data collection device and its acquisition method based on OBD system |
| CN110618307A (en) * | 2018-06-18 | 2019-12-27 | 阿特拉斯·科普柯空气动力股份有限公司 | Current sensor |
| CN111586652A (en) * | 2020-04-09 | 2020-08-25 | 出门问问信息科技有限公司 | Communication switching method and device and computer readable storage medium |
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| CN107989599A (en) * | 2017-12-28 | 2018-05-04 | 贵州航天凯山石油仪器有限公司 | The low-consumption wireless communication system and method for a kind of circuit die meter |
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| CN112286348A (en) * | 2020-10-12 | 2021-01-29 | 南京浩伟智能科技有限公司 | Equipment combining police practice VR (virtual reality) drilling and working method |
| CN112540561A (en) * | 2020-12-02 | 2021-03-23 | 张磊 | Wireless online monitoring system and method based on industrial Internet of things |
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