CN102226708A - Physical parameter remote measurement and transmission device of underground ecological water based on wireless sensor network - Google Patents
Physical parameter remote measurement and transmission device of underground ecological water based on wireless sensor network Download PDFInfo
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Abstract
The invention relates to a physical parameter remote measurement and transmission device of underground ecological water based on a wireless sensor network, which comprises a sensor fixer, a data acquisition device, a data communication device, a communication cable, a message collecting and command giving device and a data summarizing/processing/showing backstage server, wherein the data communication device is installed on the sensor fixer; the line shaft and handle on the data communication device are fixed in the central position on a cross fixed mount; a communication cable is wound on the line shaft, passes through the central circular hole of the cross fixed mount and is vertically hung in a measured well after being connected with the data acquisition device; the data acquisition device is hung at the tail end of the communication cable; the message collecting and command giving device is connected with a PC (personal computer) through a serial port; and the PC is connected with the data summarizing/processing/showing backstage server. The physical parameter remote measurement and transmission device provided by the invention has the characteristics of novel structure, small volume, low cost, automatic data obtainment at regular time, synchronous acquisition of multiple data sources, wireless mode transmission, high detection accuracy and the like and has wide application prospects in the fields of agriculture and ecology.
Description
(1) technical field
The present invention relates to a kind of based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, in it and the underground ecological water physical parameter important parameter---underground ecological water water level is closely related, belong to agricultural and ecology and Internet of Things applied technical field.
(2) technical background
Important parameter in the underground ecological water physical parameter---underground ecological water water level is the important indicator of the regional ecologic regime of reflection, the variation of underground ecological water water level information will directly cause the variation of other Ecological Parameter of this area, influence the growth of crops and other vegetation of this area.Moreover, disaster such as earthquake, flood all can cause the variation of underground ecological water water level.Therefore, observe the variation of underground ecological water water level accurately and timely, become pressing for of ecological Studies, agricultural development, government decision.
The measurement of underground ecological water water level is the thin eye well of 330mm by numerous well head diameters that distribute in tested regional extent normally, by the water level information that writes down thin eye well underground ecological water water level is observed.
The observation procedure of underground ecological water water level is constantly being reformed, is being improved.Be by manually measuring placing scale in each thin eye well one by one,, further calculating underground ecological water water level the earliest by measuring the distance of well head to liquid level.Because thin eye well has a very wide distribution, quantity is very many again, and the method needs to drop into great amount of manpower and material resources, carries out the collection of data and the maintenance of thin eye well.And because manual point-to-point measurement, data precision is not high, data can't be accomplished synchronous acquisition.Development along with embedded technology and sensor technology, detect underground ecological water water level by sensor and become main detection method, this underground ecological water level measuring scheme is that the staff operates the underground ecological water water level detecting instrument of a cover, thin one by one eye well carries out data acquisition, instrument records image data in the storer that carries then, again by manually carrying out gathering of data.This type of underground ecological water water level detecting instrument product category is more, be to run into water surface warning mostly by transferring cable, write down the method for length of cable then and carry out the detection of water level, for example the model by the exploitation of thing instrument (Beijing) Science and Technology Ltd. is the underground water table detection instrument of wi55853.Though the underground ecological water level measuring of this class instrument has improved the precision of measuring, and still has the following disadvantages: at first still need the workman that each well is carried out data acquisition one by one; Secondly, owing to need long cable to put into well, cause the cost of instrument higher; Once more, the volume of this instrument is bigger, is unfavorable for transportation.And this scheme does not realize that each well carries out data acquisition synchronously.The present invention improves above-mentioned underground ecological water water level detecting instrument scheme, and physical presence problem in measuring at thin eye well water position is given the solution that makes new advances.Mainly solve following problem: the degree of accuracy that 1, further improves data acquisition; 2, realize wireless transmission, do not need the workman one by one well measure; 3, the cost of lowering apparatus and volume make instrument multiple spot cloth be configured to possibility; 4, realize synchronous underground ecological water water level acquisition.
(3) summary of the invention
1, purpose: at the some shortcomings of ago descending ecological water level measuring instrument to exist, the purpose of this invention is to provide a kind ofly based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, this device has that volume is little, cost is low, work long hours under the unmanned situation, the data timing automatic is obtained, multi-data source synchronous acquisition, wireless mode transmission, adapt to the characteristics such as working environment of thin eye well humidity.It has reduced the manpower and materials that underground ecological water water level detecting drops into, and improves the degree of accuracy and the time synchronized of underground ecological water water level detecting simultaneously.
2, technical scheme: for achieving the above object, the present invention adopts following technical scheme: the present invention is based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it comprises: sensor holder, data collector, data communication equipment (DCE), the communications cable, note converge and order assign device and data gather/handle/show background server, position annexation between them is: data communication equipment (DCE) is installed on the sensor holder, bobbin on the sensor holder and handle are fixed on the center on the cross fixed mount, the communications cable be wrapped on the bobbin and pass cross fixed mount center hole and connect data collector after vertical hanging in by well logging, data collector hangs on communications cable end.This communications cable can carry out up-down adjustment by bobbin and handle rotation in vertical direction; Note converge and order assign device by serial communication with control PC be connected, control PC gather with data/handle/show that background server is connected.
Described sensor holder (Fig. 1, shown in Figure 2) is made up of cross fixed mount, data communication equipment (DCE) fixed mount, bobbin and handle three parts, therebetween the relation be the data communication equipment (DCE) fixed mount by screw retention on the cross fixed mount, bobbin and handle are fixed on center on the cross fixed mount, and the communications cable vertically puts down by the through hole at cross fixed mount center; This cross fixed mount is by the high-strength corrosion-resistant material, vertical criss-cross construction, and Qi Sijiao has fixing threaded hole, and the through hole that is used for the lowering communications cable is left in the center; This data communication equipment (DCE) fixed mount is made by corrosion-resistant material, is square minor structure with cover, is fixed on the cross fixed mount with screw; Bobbin and handle are installed on cross fixed mount center, the rotation of shaking handle grip moving-wire axle, the lifting of control data harvester.This bobbin is a tube-like piece, and this handle is T-shaped part.
Described data collector (as shown in Figure 3) is made up of ultrasonic ranging sensor, pilot lamp and connection terminal, relation is therebetween: the ultrasonic ranging sensor carries out data acquisition and transmits range information by the level signal variation of connection terminal, represent the duty of ultrasonic ranging sensor by pilot lamp, and be interconnected with one another; This ultrasonic ranging sensor has single probe and gathers and favorable waterproof property; Calculate the distance of thin eye well liquid level by calculating hyperacoustic flight time apart from well head; This pilot lamp is selected commercial product on demand for use; It is the bent angle winding displacement of 2.54mm that this connection terminal is selected pin-pitch for use; The electric power system of data collector and signal transmission all are connected with data communication equipment (DCE) by the communications cable.The interface mode of data collector adopts 4 line formula interfaces: 1, supply voltage (5V); 2, TIGER (triggering level, high level is effective, begins to carry out data acquisition); 3, TIM (return high level by this pin, calculate the ultrasonic signal flight time); 4, ground connection (GND); (as shown in Figure 4).Data collector adopts single head to send out/the receipts pattern, and its ultrasonic ranging sensor adopts the waterproof encapsulation, and portion pours into insulating gel within it simultaneously, increases the ability of its waterproof, protection against the tide.
Described data communication equipment (DCE) (as shown in Figure 7) is the core of whole system, and it is made up of CPU8051 core processor, GPRS communication module, real-time clock module, power regulator module, power transfer module, sim card slot, power module, connection temperature sensor interface, programming routine interface, voltage detecting and pilot lamp auxiliary circuit, ultrasonic ranging sensor interface and electrical level conversion chip.Relation is therebetween: power module provides 5V voltage; Generate one road stable 5V voltage by power regulator module, produce one road stable 3.3V voltage by power transfer module again.Wherein 5V voltage is data collector and the power supply of GPRS communication module, and 3.3V voltage partly provides electric energy for CPU8051 core processor, real-time clock module etc.The interface that reserves is connected with data collector, and the sampled signal of data collector is handled by the CPU8051 core processor, again by the GPRS communication module with data to data gather/handle/show that the background server end sends.Data communication equipment (DCE) is responsible for writing down the time span of the high level of being returned by the data collector transmission on the one hand, and its calculating is become distance value.On the other hand, distance value and time information, nodal information etc. are together sent to data gather/handle/show background server.Data communication equipment (DCE) is equipped with real-time clock module, can realize the time synchronized between each equipment, carries out the demand of data acquisition synchronously to reach each well.Consider that ultrasound wave can be subjected to Temperature Influence, data communication equipment (DCE) will utilize temperature sensor to carry out the collection of temperature, humidity data, and the information of adjusting the distance compensates.This sim card slot is the draw-in groove that matches with SIM300; This connection temperature sensor interface is that spacing is the 4 line system wire jumpers of 2.54mm; This programming routine interface is general jtag interface; This voltage detecting and pilot lamp auxiliary circuit are to come the LED light of control linkage in the DIO mouth by software, the duty of monitoring communications device.
The described communications cable is 4 core cables of shielding.
It is note cat product that described note converges and order what assign that device uses, and its model is F1003 GSM MODEM, and this commercial product comprises with lower interface: standard RS232 serial ports, serial ports speed 110～230400bits/s; Pilot lamp: have power supply, duty and online pilot lamp; Antennal interface: standard SMA line interface on the cloudy previous day, characteristic impedance 50 Europe; SIM card interface: the push-down subscriber card interface of 3V/1.8V standard; Power interface: 3 core locomotive engine supply sockets of standard.This equipment needs external power supply DC12V/500mA, and inside has the high-performance gsm module of technical grade, can satisfy use needs of the present invention fully.It uses working environment as described below: operating ambient temperature-25～+ 65 ℃; Storage temperature-40～+ 85 ℃; Relative humidity 95% (nothing is condensed).The present invention utilizes note cat product to realize the recovery of assigning of command information and each well image data.Command information is assigned process: computing machine sends the data to note cat product by the RS3232 serial ports, data are changed into the signal that transmits based on China Mobile network by note cat product again, send to the data communication equipment (DCE) that is laid in each well by China Mobile network, data terminal communicator or data collector are configured.Image data upload procedure: at first by stube cable collection capacity is sent to data communication equipment (DCE) by data collector, data communication equipment (DCE) is sent to note cat product with the signal that data conversion becomes to transmit based on China Mobile network, sends the data to control computer by the RS3232 serial ports again.By control computer data conversion storage to data are gathered/handle/show background server.
Described data gather/handle/show that background server is: and by model is that the data server of IBM X3100 M3 and control PC that model is DELL OPTIPLEX 360 are formed, the control PC is connected by optical fiber cable with data server, it with the data of send be stored in data gather/handle/show that background server analysis gathers, calculate the underground ecological water water level information in tested zone, this information is issued by webpage simultaneously, makes things convenient for the party in request of this information to carry out checking and downloading of data.
Wherein, the model of this ultrasonic ranging sensor is DYP-ME007A1;
Wherein, the model of this CPU8051 core processor is MC9S08QE32;
Wherein, the model of this temperature sensor is SE95;
Wherein, the model of this GPRS communication module is SIM300;
What wherein, this real time clock circuit adopted is that model is the PCF8563 chip
Wherein, this power module is a self-control lithium electricity power brick;
Wherein, the model of power regulator module is MAX1727;
Wherein, the model of this power transfer module is NCP511;
Wherein, the model of this level transferring chip is MAX706.
3, advantage and effect: the present invention is based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it mainly contains following advantage: 1, utilize ripe GSM network to communicate, make data acquisition reliable and stable, greatly reduce the input of manpower and materials simultaneously.2, the design of low energy consumption makes that under the support of accumulator equipment can work long hours under unattended situation.3, low cost is selected ultrasonic sensor for use, and its performance greatly reduces the cost of development of equipment when guaranteeing measuring accuracy.4, wireless sensor network is connected with the internet, the user can observe the real-time condition of underground ecological water water level whenever and wherever possible by the internet, assigns the instruction control whole system.5, realize the synchronous acquisition of underground ecological water water level, can observe the situation of change of underground ecological water water level timely.
(4) description of drawings
The adjustable sensor holder vertical view of Fig. 1 the present invention
The adjustable sensor holder left view of Fig. 2 the present invention
Fig. 3 data collector synoptic diagram of the present invention
Fig. 4 ultrasonic distance measuring module circuit connection diagram of the present invention
Fig. 5 gsm module circuit connection diagram
Fig. 6 real-time clock partial circuit connection layout
Fig. 7 data communication equipment (DCE) synoptic diagram of the present invention
Fig. 8 general structure synoptic diagram of the present invention
Symbol description is as follows among the figure:
1 cross fixed mount; 2 bobbins and handle; 3 data communication equipment (DCE) fixed mounts; 4 communications cables; 5 pilot lamp; 6 connection terminals; 7 ultrasonic ranging sensors; 8 sensor holder; 9 data communication equipment (DCE)s; 10 notes converge and order assigns device; 11 serial communications; 12GPRS communication; 13 data collectors; 14 data gather/handle/show background server.
(5) embodiment
See Fig. 8, the present invention is based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it comprises: sensor holder 8, data collector 13, data communication equipment (DCE) 9, the communications cable 4, note converge and order assign device 10 and data gather/handle/show background server 14, position annexation between them is: data communication equipment (DCE) 9 is installed on the sensor holder 8, bobbin on the sensor holder 8 and handle 2 are fixed on the center on the cross fixed mount 1, the communications cable 4 is wrapped on the bobbin and passes cross fixed mount 1 center hole and connects data collector 13 back vertical hangings in by well logging, and data collector 13 hangs on the communications cable 4 ends.This communications cable 4 can carry out up-down adjustment by bobbin and handle 2 rotations in vertical direction; Note converge and order assign device 10 by serial communication 11 with control PC be connected, control PC gather with data/handle/show that background server 14 is connected.
See Fig. 1, shown in Figure 2, described sensor holder 8 is made up of cross fixed mount 1, data communication equipment (DCE) fixed mount 3, bobbin and handle 2 three parts, therebetween the relation be data communication equipment (DCE) fixed mount 3 by screw retention on cross fixed mount 1, bobbin and handle 2 are fixed on center on the cross fixed mount 1, and the communications cable 4 vertically puts down by the through hole at cross fixed mount 1 center; This cross fixed mount 1 is by the high-strength corrosion-resistant material, vertical criss-cross construction, and Qi Sijiao has fixing threaded hole, and the through hole that is used for the lowering communications cable 4 is left in the center; This data communication equipment (DCE) fixed mount 3 is made by corrosion-resistant material, is square minor structure with cover, is fixed on the cross fixed mount 1 with screw; Bobbin and handle 2 are installed on cross fixed mount 1 center, the rotation of shaking handle grip moving-wire axle, the lifting of control data harvester 13.This bobbin is a tube-like piece, and this handle is T-shaped part.
See shown in Figure 3, described data acquisition is adorned 13 and is made up of ultrasonic ranging sensor 7, pilot lamp 5 and connection terminal 6, relation is therebetween: ultrasonic ranging sensor 7 carries out data acquisition and transmits range information by the level signal variation of connection terminal 6, represents the duty of ultrasonic ranging sensor 7 by pilot lamp 5; This ultrasonic ranging sensor 7 has single probe and gathers and favorable waterproof property; Calculate the distance of thin eye well liquid level by calculating hyperacoustic flight time apart from well head; This pilot lamp 5 is selected commercial product on demand for use; It is the bent angle winding displacement of 2.54mm that this connection terminal 6 is selected pin-pitch for use; The electric power system of data collector 13 and signal transmission all are connected with data communication equipment (DCE) 9 by the communications cable 4.The interface mode of data collector 13 adopts 4 line formula interfaces: 1, supply voltage (5V); 2, TIGER (triggering level, high level is effective, begins to carry out data acquisition); 3, signal timing pin (TIM) (return high level by this pin, calculate the ultrasonic signal flight time); 4, ground connection; (as shown in Figure 4).Data collector adopts single head to send out/the receipts pattern, and its ultrasonic ranging sensor adopts the waterproof encapsulation, and portion pours into insulating gel within it simultaneously, increases the ability of its waterproof, protection against the tide.
See shown in Figure 7, described data communication equipment (DCE) 9 is cores of whole system, and it is made up of CPU8051 core processor, GPRS communication module, real-time clock module, power regulator module, power transfer module, sim card slot, power module, connection temperature sensor interface, programming routine interface, voltage detecting and pilot lamp auxiliary circuit, ultrasonic ranging sensor interface and electrical level conversion chip.。Fig. 5 is a GPRS modular circuit connection layout, and Fig. 6 is the real-time clock module circuit connection diagram.
The hardware system particulars are as follows:
That wherein the CPU8051 core processor uses is MC9S08QE32, and its concrete parameter is as follows:
● operating voltage 2.4V-3.6V
● working temperature-40 ℃-85 ℃
● up to CPU core/25MHz Bus Speed of 50MHz
● the 128Kb flash memories
● the 256/512/1Kb/2Kb/4Kb/6Kb/8Kb random-access memory (ram)
● the loop control generator
● single line background debug interface (DBM)
● start (6 μ s) fast from stopping (Stop) pattern
● Flash program voltage 1.8V to 3.6V
● clock module flexibly
● reach 24 passages, 12 low-power consumption analog to digital converter (ADC
● high precision internal clocking (ICS)
● 2 serial communication interfaces (SCI/UART)
● 2 Serial Peripheral Interface (SPI)s (SPI)
● 2 I
2The C bus
● 70 general input (GPIO)
● 16 keyboard interrupt pins
Wherein the GPRS module of Cai Yonging is the SIM300 module, and its feature is as follows:
● operating voltage: 3.4-4.5V, voltage is lower than 3.4v, and module may be closed automatically
● low-power consumption mode: under the park mode, the working current representative value is 2.5mA
● working frequency range: SIM300 has three frequency range: EGSM900, DCS1800, PCS1900.
● GSM type: small-sized mobile base station (MS)
● emissive power: 2W under frequency EGSM900CLASS4; 1W under frequency DCS1800 and PCS1900CLASS1
● GPRS connects: 10 grades of GPRS multi-slots; GPRS mobile station B level
● working temperature: normal working temperature :-22 ℃-+55 ℃; The limit of working temperature :-25 ℃--20 ℃ ,+55 ℃-+70 ℃; Storing temperature :-40 ℃-+80 ℃;
● GPRS data transmission: the maximum 85.6kbps of GPRS downlink data transmission; The maximum 42.8kbps of GPRS transmitting uplink data; Encoding scheme: CS-1, CS-2, CS-3, CS-4; SIM300 supports PAP (password authentification) agreement, and this agreement is generally used for PPP; ICP/IP protocol that SIM300 is integrated
● circuit switched data (CSD): support Packet Broadcast Control CHannel (PBCCH); The circuit switched data transfer rate: 2.4,4.8,9.6,14.4kbps, non-transparent transmission; Support unstructured supplementary data traffic (USSD)
● short message: support the point-to-point short message to move transmission and acceptance, text, PDU pattern; Short message is stored in the SIM card; Support the short message of CSD and GPRS pattern to send, the user can select transmission mode according to the needs of oneself;
● fax: Group 3 Class 1
● SIM interface: the SIM card of supporting two types of 1.8V and 3V
● extraneous antenna: antenna connector or antenna web joint by 50 Ω connect
● acoustic characteristic: voice coding pattern: half rate (ETS06.02); Full rate (ETS06.10); Enhanced full rate (ETS06.50/06.60/06.80); Suppress with ripple
● two serial communication interfaces: the interface of serial ports 1 has 7 single data, condition line; Serial ports 1 can be used as CSD fax, GPRS service and send control module AT order; Serial ports 1 can use multiplexed function, but can not use simultaneously with serial ports 2 this moment; Supported auto-baud is: 1200bps-115200bps; The interface of serial ports 2 has only/TXD and/RXD two data lines, do not have state and control line; Serial ports 2 can only be used for transmitting the AT order;
Use therein ultrasonic ranging sensor assembly is the ultrasonic wave module DYP-ME007A1 of waterproof, and its concrete parameter is as follows:
● operating voltage DC 5V
● working current 20mA
● frequency of operation 40KHz
● maximum range 3.5m
● nearest range 20cm
● output signal high level 5V
● the about 1cm of resolution
● module size 34mm*43mm
Use therein temperature sensor is SE95, and its concrete property is as follows:
● device can replace the LM75 and the LM75A of industrial standard fully
● the power range of individual devices can exceed the scope of 2.8V～5.5V
● have the I2C bus interface, can connect nearly 8 devices on the same bus, speed is 400kHz
● supply voltage scope: 2.8V～5.5V
● ambient temperature range :-55 ℃～+ 125 ℃
● 13 ADC of 0.03125 ℃ precision are provided
●-25 ℃～+ 100 ℃ temperature accuracies are ± 1 ℃
● Programmable Temperature threshold value and hysteresis set point
● in order to lower power consumption, consumed current only is 0.7 μ A under the shutdown mode
● device can be used as an independently temperature controller when powering on
● esd protection: under the JESD22-A114 standard, can pass through 1000V HBM pattern; Under the JESD22-A115 standard, can pass through 150V MM pattern
● the latched test that (JESD78) done under the JEDEC standard can reach 100mA
● small-sized 8 pin encapsulation: SO8, TSSOP8 (MSOP8)
Use therein real-time timepiece chip is PCF8563, and its concrete parameter is:
● crystal oscillator is 32.768KHZ
● operating voltage 1.0-5.5V
● working current 0.25uA
● support the I2C interface
Use therein serial ports electrical level conversion chip is MAX706, and its concrete parameter is as follows:
● satisfy the EIA/TIA-232-F standard
● operating voltage is+3.0V is to+5.5V
● fully loaded minimum data rate: 120Kbps
● the low-power consumption shutdown mode of 1uA, receiver (SP3222E) is effective
● can use jointly with RS-232, power supply is low to moderate+2.7V
● enhancement mode ESD standard: ± 15kV human body discharge mode; ± 15kV IEC1000-4-2 bubble-discharge; ± 8kVIEC1000-4-2 contact discharge
It is ultrasonic signal that the present invention detects the employed physical signalling of underground ecological water water level, it is as described below to utilize ultrasound wave to carry out the principle of range observation: the ultrasonic ranging sensor sends a ultrasonic signal, the CPU counter begins to count simultaneously, the ultrasound wave that sends is run into obstruction and is returned, when the ultrasonic ranging sensor is received the ultrasonic signal that returns, the CPU counter stops counting, crystal oscillator frequency according to CPU, count out the time of ultrasonic signal flight, half of flight time multiply by that hyperacoustic flying speed can calculate distance value under specified temp.
Its formula is as follows:
S＝(n×Osc×V
t)/2
Wherein:
S---represent tested distance;
N---expression counts;
Osc---the inverse of expression crystal oscillator frequency;
V
t---be illustrated in hyperacoustic flying speed under the specified temp;
Under different temperature, hyperacoustic flying speed is different, and therefore accurate for what guarantee to test, we need gather environment temperature, and hyperacoustic speed is carried out temperature compensation, and its compensation formula is as follows:
V
t＝V
0+0.607×T
Wherein:
V
t---be illustrated in T ℃ of hyperacoustic speed (m/s) down
V
0---be illustrated in 0 ℃ of hyperacoustic speed down, be 332m/s
T---environment temperature (℃)
Based on the support of above theory, can measure underground ecological water water level accurately, introduce the whole system operation process below:
The ultrasonic ranging sensing station, between 30cm-300cm, this is the effective range of this sensor according to the distance range of liquid level.After the installation, data communicator 9 is powered on, data communication equipment (DCE) 9 at first carries out the initialization of each several part module, whether the work that detects the each several part module is normal, start first, automatically add the GSM network, send own ID number to the PC control end, the PC control end acknowledge receipt of ID time of return data, data acquisition time at interval, information such as data acquisition number of times and affirmation successful connection.The information that data communication equipment (DCE) 9 is finished configuration is issued the PC control end once more, and the PC control end is confirmed the data configuration accuracy.Finish the first configuration of data acquisition node.Data communication equipment (DCE) 9 enters normal operating conditions, carries out the collection of data at interval according to the data acquisition time of setting.Finish a data acquisition, enter deep sleep state.Carry out timing under dormant state, when reaching the time interval, data acquisition node restarts, and carries out the collection and the transmission of data.The data that send comprise ID, acquisition time, ambient temperature data of oneself and the range data that compensated.
The data that send are by the GSM network, be sent to note and converge and order and assign device 10, thus unloading to data gather/handle/show background server 14.In database, write down the concrete sea level elevation of each thin eye well.With each liquid level of gather data apart from well head, calculate with the elevation data of thin eye well, obtain the height of water level of underground water with respect to the sea level.Afterwards data gather/handle/show that background server 14 handles and be published to web by the time interval automatically and carry out data display to data.
The present invention proposes new method on the basis of underground water water level detecting scheme in the past: adopt the ultrasonic ranging sensor to find range, adopt the GSM network to carry out the information transmission.Greatly reduce the volume and the cost of instrument; Realization can each well be carried out the collection and the transmission of information synchronously, automatically under unattended situation; Further improved the precision of underground ecological water water level detecting.
Claims (10)
1. based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: it comprises sensor holder, data collector, data communication equipment (DCE), the communications cable, note converge and order assign device and data gather/handle/show background server, data communication equipment (DCE) is installed on the sensor holder, bobbin on the sensor holder and handle are fixed on the center on the cross fixed mount, the communications cable be wrapped on the bobbin and pass cross fixed mount center hole and connect data collector after vertical hanging in by well logging, data collector hangs on communications cable end; Note converge and order assign device by serial communication with control PC be connected, control PC gather with data/handle/show that background server is connected;
Described sensor holder is made up of cross fixed mount, data communication equipment (DCE) fixed mount, bobbin and handle three parts, the data communication equipment (DCE) fixed mount by screw retention on the cross fixed mount, bobbin and handle are fixed on center on the cross fixed mount, and the communications cable vertically puts down by the through hole at cross fixed mount center; This cross fixed mount is by the high-strength corrosion-resistant material, vertical criss-cross construction, and Qi Sijiao is provided with fixing threaded hole, and the through hole that is used for the lowering communications cable is left in the center; This data communication equipment (DCE) fixed mount is made by corrosion-resistant material, is square minor structure with cover, is fixed on the cross fixed mount with screw; Bobbin and handle are installed on cross fixed mount center, the rotation of shaking handle grip moving-wire axle, the lifting of control data harvester; This bobbin is a tube-like piece, and this handle is T-shaped part;
Described data collector is made up of ultrasonic ranging sensor, pilot lamp and connection terminal, relation is therebetween: the ultrasonic ranging sensor carries out the level signal of data acquisition by connection terminal and changes and transmit range information, represents the duty of ultrasonic ranging sensor and is interconnected with one another by pilot lamp; This ultrasonic ranging sensor has single probe to be gathered and favorable waterproof property, calculates the distance of thin eye well liquid level apart from well head by calculating hyperacoustic flight time; This pilot lamp is selected commercial product on demand for use; It is the bent angle winding displacement of 2.54mm that this connection terminal is selected pin-pitch for use; The electric power system of data collector and signal transmission all are connected with data communication equipment (DCE) by cable; The interface mode of data collector adopts 4 line formula interfaces and single head to send out/the receipts pattern;
Described data communication equipment (DCE) is made up of CPU8051 core processor, GPRS communication module, real-time clock module, power regulator module, power transfer module, sim card slot, power module, connection temperature sensor interface, programming routine interface, voltage detecting and pilot lamp auxiliary circuit, ultrasonic ranging sensor interface and electrical level conversion chip; Power module provides 5V voltage; Generate one road stable 5V voltage by power regulator module, produce one road stable 3.3V voltage by power transfer module again; Wherein 5V voltage is data collector and the power supply of GPRS communication module, and 3.3V voltage provides electric energy for CPU8051 core processor, real-time clock module; The interface that reserves is connected with data collector, and the sampled signal of data collector is handled by the CPU8051 core processor, again by the GPRS communication module with data to data gather/handle/show that the background server end sends; Data communication equipment (DCE) is responsible for writing down the time span of the high level of being returned by the data collector transmission on the one hand, and its calculating is become distance value; On the other hand, distance value and time information, nodal information are together sent to data gather/handle/show background server; Data communication equipment (DCE) is equipped with real-time clock module, realizes the time synchronized between each equipment, carries out the demand of data acquisition synchronously to reach each well; Consider that ultrasound wave can be subjected to Temperature Influence, data communication equipment (DCE) utilizes temperature sensor to carry out the collection of temperature, humidity data, and the information of adjusting the distance compensates; This sim card slot is the draw-in groove that matches with SIM300; This connection temperature sensor interface is that spacing is the 4 line system wire jumpers of 2.54mm; This programming routine interface is general jtag interface; This voltage detecting and pilot lamp auxiliary circuit are to come the LED light of control linkage in the DIO mouth by software, the duty of monitoring communications device;
It is note cat product that described note converges and order what assign that device uses, and its model is F1003 GSM MODEM, and it comprises with lower interface: standard RS232 serial ports; Power supply, ACT and online pilot lamp interface; Standard SMA line interface on the cloudy previous day; 3 core locomotive engine supply sockets of the push-down subscriber card SIM interface of standard and standard; This note cat product F 1003 GSM MODEM realize the recovery of assigning of command information and each well image data; Its command information is assigned and is: the control PC sends the data to note cat product F 1003 GSM MODEM by the RS3232 serial ports, by note cat product F 1003 GSM MODEM data are changed into the signal that transmits based on China Mobile network again, send to the data communication equipment (DCE), the data collector that are laid in each well by China Mobile network and be configured; Its image data is uploaded and is: by stube cable collection capacity is sent to data communication equipment (DCE) by data collector earlier, data communication equipment (DCE) is sent to note cat product F 1003 GSM MODEM with the signal that data conversion becomes to transmit based on China Mobile network, send the data to control control PC by the RS3232 serial ports again, by the control PC data conversion storage to data are gathered/handle/show background server;
Described data gather/handle/show that background server is: and by model is that the data server of IBM X3100 M3 and control PC that model is DELL OPTIPLEX 360 are formed, the control PC is connected by optical fiber cable with data server, it with the data of send be stored in data gather/handle/show that background server analysis gathers, calculate the underground ecological water water level information in tested zone, this information is issued by webpage simultaneously, makes things convenient for the party in request of this information to carry out checking and downloading of data;
The described communications cable is 4 core cables of shielding.
2. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: the model of this ultrasonic ranging sensor is DYP-ME007A1.
3. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: the model of this microprocessor is MC9S08QE32.
4. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: the model of this communication module is SIM300.
5. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: the model of this temperature sensor is SE95.
6. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: what this real time clock circuit adopted is that model is the PCF8563 chip.
7. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: the model of this level transferring chip is MAX706.
8. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: the model of this power regulator module is MAX1727.
9. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: the model of this power transfer module is NCP511.
10. according to claim 1 based on wireless sensor network underground ecological water physical parameter remote measurement and transmitting device, it is characterized in that: this power module is a self-control lithium electricity power brick.
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| CN106020034A (en) * | 2016-06-23 | 2016-10-12 | 合肥工业大学 | Method for automatically detecting municipal sewage pipeline siltation |
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| CN110749922A (en) * | 2018-07-24 | 2020-02-04 | 中国石油天然气股份有限公司 | Optical fiber micro-seismic monitoring device and well entry method of optical fiber micro-seismic monitoring instrument |
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| CN112833992A (en) * | 2020-12-31 | 2021-05-25 | 库尔勒施得石油技术服务有限公司 | Liquid level monitoring method, device, equipment and system |
| CN112833992B (en) * | 2020-12-31 | 2024-05-24 | 库尔勒施得石油技术服务有限公司 | Liquid level monitoring method, device, equipment and system |
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| CN102226708B (en) | 2012-05-30 |
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