CN201352115Y - System for monitoring geological changes by utilizing single-frequency GNSS receiver - Google Patents

System for monitoring geological changes by utilizing single-frequency GNSS receiver Download PDF

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Publication number
CN201352115Y
CN201352115Y CNU2008201234726U CN200820123472U CN201352115Y CN 201352115 Y CN201352115 Y CN 201352115Y CN U2008201234726 U CNU2008201234726 U CN U2008201234726U CN 200820123472 U CN200820123472 U CN 200820123472U CN 201352115 Y CN201352115 Y CN 201352115Y
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gnss
monitoring
data
power supply
communication
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CNU2008201234726U
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武文
角谷一明
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武文
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Abstract

The utility model discloses a system for monitoring geological changes by utilizing a single-frequency GNSS receiver, belonging to the field of geological monitoring. The system comprises a monitoring module, a collection module and a monitoring center module, wherein the collection module comprises a GNSS receiver unit, a communication control unit, a data processing unit, a power supply unit and a radio communication equipment unit, and the monitoring module is used for obtaining monitoring data; and the collection module receives the monitoring data and then sends the monitoring data to a monitoring center, and finally, the monitoring center conducts baseline analysis of the monitoring data. Through the technical scheme, the geological changes can be accurately monitored; accordingly, mudslides, landslides and other natural disasters can be timely and accurately forecast.

Description

A kind of system that utilizes single-frequency GNSS receiver monitoring geology to change
Technical field
The utility model relates to geology monitoring field, particularly a kind of system that utilizes single-frequency GNSS receiver monitoring geology to change.
Background technology
For the information of geology variations such as obtaining ground slip, inclination and distortion, crumble, can be by using various measuring devices.Place that might the spot qualitative changeization in anticipation sets in advance measuring devices such as compresometer, gradometer; Compresometer can be measured the variable quantity in domain, the tilt quantity that gradometer can be measured the domain.
In recent years, proposed in measuring device to use the method for optical fiber again: part optical fiber is embedded in below the face of land as sensor, on the face of land, set stake at a certain distance, another part optical fiber is hung on these stakes, be fixed with the place that optical fiber connects simultaneously at the stake place.Because optical fiber has: when being subjected to small tension set, the characteristic that its inner loss of optical signal that transmits will increase, therefore, in the place that is provided with measuring device, if there is geology to change, optical fiber will be subjected to tension force, the state that light transmits loss will occur, the corresponding structure that also has the loss of optical signal of optical fiber.Therefore,, change and cause that linkedly optical fiber deforms, calculate the light that this fibre strain causes and transmit loss, just can hold the geology variation situation that causes the fibre strain reason by geology according to this measuring device.
In addition, also having a kind of method, is the detecting element that a plurality of projections are installed on measuring device, and at the detecting element place of these projections, making optical fiber transmit the little state of loss with light is that loop diameters is reeled.In this measuring device, owing to have distance having between the mensuration place of geological deformation, if optical fiber is stretched, the loop diameters of measuring the place will reduce, and optical fiber produces light loss; Said method is made improvements slightly, also proposed a kind of measuring device that in the loop of same diameter, is provided with a plurality of intrinsic relaxation points.
In the said method, all being to use optical fiber to measure geology changes, because the variation of geology, and optical fiber is stretched, reduce to many optical fiber circuit diameters from original few optical fiber in the measuring device, can produce light loss in the different fiber with the stage of a definite sequence, so can measure the variable quantity of geology.
Except above-mentioned use optical fiber is measured the geology variation, also have class methods: utilize double-frequency GNSS receiver to measure geology and change.This receiver is used for precision measurement, and the data that observe are connected with PC (computing machine) with the end of receiver, with displacement disc or storage card observation data is taken back, and carries out baseline in computing center and resolves.When finishing the baseline parsing,, then be necessary to look in addition the time to do observation again if the precision of abnormality as a result of resolving or observation data is low.
And, because measuring double-frequency GNSS receiver needs to measure for a long time, to measure several hours in one day, so Continuous Observation need be used AC (interchange) power supply, the electric power that receiver consumes is very big.
Secondly, in order to take back observation data, the antenna, GNSS receiver that needs to prepare power supply, the wireless device of wireless device, wireless device and the communications control software of the usefulness that is connected, communicates by letter of wireless device etc.
Simultaneously, double frequency GNSS receiver is to use low L2 frequency of signal sensitivity and general L1 frequency receiver that the GNSS satellite is monitored, and the real-time communication of carrying out the revisal data between base station and monitoring station.For locating at short notice, double frequency GNSS receiver self will expend very big electric weight, and for can make wireless device, computer and repertoire carry out work simultaneously, the power consumption of equipment integral is just bigger.
Also have,, have the problem of insufficiency of function as the displacement recording geometry of considering a lot of displacement reasons etc. because the location precision of analysis result is low.
In a word, utilize double-frequency GNSS receiver to measure geology and change, have following problem:
(1) power consumption is big; Have only self-powered and can not Continuous Observation;
(2) can not carry out the observation of return formula owing to be not provided with, therefore, the factor that influences error can not be concentrated, and measuring error is big.
Summary of the invention
In order to solve the defective of above-mentioned technology, the utility model provides a kind of system that utilizes single-frequency GNSS receiver monitoring geology to change.
By utilizing the GNSS satellite that curl up in the 20000 km sky apart from the earth face of land, utilize its volume coordinate, its measured quantity is not measured boundary, has avoided changing the problem of bringing because of using optical fiber to measure geology;
Technical scheme in the utility model is as follows:
A kind of system that utilizes single-frequency GNSS receiver monitoring geology to change comprises:
Monitoring modular is used to obtain Monitoring Data, and it is monitored;
Collection module is used to compile Monitoring Data;
Monitoring center module is used for that Monitoring Data is carried out baseline and resolves;
Collection module comprises:
The GNSS receiving element comprises GNSS antenna part and GNSS receiver, is used to receive the signal data of GNSS satellite;
Communication control unit comprises microcomputer portion, clock portion, and storage part is used for control communication; Microcomputer portion comprises central processing unit, ROM (read-only memory), random access memory, register; Central processing unit has interruptable controller, communication port, the function of general parallel input/output port sum counter; The register holds time information, time information is a standard with the GNSS time system;
Data processing unit is used to handle the signal data that receives;
Power supply unit comprises solar cell, and accumulator is used to the GNSS monitoring device that power supply is provided; Solar cell in the power supply unit has for the GNSS receiving element provides power supply, and is the function of charge in batteries, and when described solar cell quit work, accumulator had the function that power supply is provided for the GNSS receiving element.
The radio communication device unit is used to transmit information between GNSS satellite and the GNSS receiving element;
Monitoring modular is by obtaining Monitoring Data, and collection module receives described Monitoring Data, then, Monitoring Data is sent to Surveillance center, and is last, and Surveillance center carries out baseline to Monitoring Data and resolves.
Wherein, this system also comprises trunk module, is used to receive the Monitoring Data that sends from the monitoring station, Monitoring Data is re-send to compile the station then;
This system also comprises base modules;
Trunk module and base modules specifically comprise:
The GNSS receiving element comprises GNSS antenna part and GNSS receiver, is used to receive the signal data of GNSS satellite;
Communication control unit comprises microcomputer portion, clock portion, and storage part is used for control communication; Described microcomputer portion comprises central processing unit, ROM (read-only memory), random access memory, register; Described central processing unit has interruptable controller, communication port, the function of general parallel input/output port sum counter; Described register holds time information, described time information is a standard with the GNSS time system;
Data processing unit is used to handle the signal data that receives;
Power supply unit comprises solar cell, and accumulator is used to the GNSS monitoring device that power supply is provided;
The radio communication device unit is used to transmit information between GNSS satellite and the described GNSS receiving element.
Clock portion in the communication control unit comprises temperature compensated crystal oscillator, and temperature compensated crystal oscillator has the startup and the hold function of control GNSS monitoring device work.
Storage part in the communication control unit is preserved the signal data from the GNSS satellite, has the function that signal data is sent to the second communication control module.
Clock portion in the communication control unit has according to the inner function constantly of GNSS receiving element correction.Specifically pass through: start central processing unit, central processing unit monitors the GNSS receiving element, and according to the GNSS receiving element, the time information in the register in the microcomputer portion is revised, thereby realizes revising the inside moment of clock portion.
Technical scheme in the utility model, use solar cell to carry out continuous monitoring as automatic power supply, and can obtain the absolute position within a short period of time, monitor geology accurately and change, thereby can make forecast accurately to rubble flow, landslide and other disaster timely.
Description of drawings
Fig. 1 is the whole pie graph that utilizes the system of single-frequency GNSS receiver monitoring geology variation among the embodiment;
Fig. 2 is the pie graph of monitoring station and base station among the embodiment;
Fig. 3 is the synoptic diagram of monitoring station and base station among the embodiment;
Fig. 4 is the pie graph that compiles the station among the embodiment;
Fig. 5 is the synoptic diagram that compiles the station among the embodiment;
Fig. 6 is the pie graph of communication control unit among the embodiment;
Fig. 7 is the workflow diagram of communication control unit among the embodiment;
Fig. 8 is that mission flow diagram is handled in the maintenance of communication control unit among the embodiment;
Fig. 9 is the workflow diagram that compiles the data processing division of standing among the embodiment;
Figure 10 compiles the synoptic diagram that carries out data communication between station and the Surveillance center among the embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Present embodiment provides a kind of system that utilizes single-frequency GNSS receiver monitoring geology to change.
Fig. 1 is the whole pie graph that utilizes single-frequency GNSS receiver monitoring geology change system, wherein, and the formation situation of 1 monitoring point that number in the figure 1 representative is the most basic; Label 2 representatives do not have independent base station, by the situation of compiling the double base station in station; Label 3 representatives compile the situation of station double as relay station and base station use.
Single-frequency GNSS receiver monitoring system is by monitoring station and base station, the Monitoring Data of collecting is carried out the relay station of relaying, compiling compiling the station and Monitoring Data being carried out monitoring center's formation that baseline is resolved, Monitoring Data and baseline analysis result data are compiled, stored and read of Monitoring Data.
It is the Monitoring Data that the distance between base station and the monitoring station repeats to monitor out based on GNSS receiver and GNSS receiver that baseline is resolved, use the baseline analysis program that base length vector (three-dimensional variable quantity) is carried out the accurate computing of repetition, the variation of base length is monitored by time system.
Monitoring station when 1a is base station, 1b, 1c, 1d.The machine that monitoring station and base station use is as broad as long, any one monitoring station can become base station, because be the variation of base length between monitoring station and the base station, base station will be arranged on the place that not influenced by displacement, 1 monitoring point by monitoring station, base station, to compile the station be that a collective forms.The quantity of monitoring station is that the scale according to the monitoring point decides.Because monitoring station and base station quantity are many more, can clearly grasp the variation of face more, so,, the buildings with a varied topography, generally many monitoring stations and base station can be set to monitoring.
Because compile the station data processor has been installed,, just can have been seen the baseline analysis result as again the baseline analysis program being installed.Surveillance center also installs the baseline analysis program simultaneously, just can sum up calculation process by the center.
Fig. 2 is the pie graph of monitoring station and base station, is made up of communication control unit 2a, wireless device 2b, power-supply controller 2c, accumulator 2d.The power supply of monitoring station all is to be powered by solar panel 4, and the electricity that sends is when offering communication control unit 2a and wireless device 2b, and 2c is transferred to accumulator by power-supply controller, is charge in batteries.Accumulator 2d can provide necessary electric power for the monitoring station control module at night that solar cell does not generate electricity or when rainy.The effect of power-supply controller 2c is an electric weight of judging accumulator 2d, the charge and discharge of control accumulator 2d.
The above-mentioned control module that is made of 2a, 2b, 2c, 2d is accommodated in the cabinet of 3 anti-environment of process (temperature, humidity, wind and rain, dustproof) processing.
5a is and compiles the wireless aerial that carries out wireless communication between the station.5d is to be the concentric cable of wireless aerial power supply and signal from wireless device.
The effect of 2a communication control unit is Monitoring Data that GNSS receiver 1a is collected, is stowed to the Monitoring Data storage card, and power source ON, the OFF of control 2b wireless device, and control monitoring station and compile wireless communication between the station.
When the GNSS time that communication control unit 2a is obtained according to GNSS receiver 1a just coincide with the time that sets in advance (for example: per 1 hour, per 4 hours, per 6 hours, per 12 hours etc.), the wireless device that compiles the station will communicate with monitoring station and base station, and from the monitoring station and base station receive Monitoring Data.In addition, come the change setting of Monitoring Data acquisition time, also can send fixed time change data to each monitoring station and base station by compiling the station according to data processor 5 data collection program.
When compiling the station and carry out wireless communication, if all monitoring stations and base station are conversed arbitrarily, might cause data to be repeated to send, so with monitoring station, base station and the wireless device that compiles the station based on pre-assigned ID (identification marking), make itself and GNSS time synchronized, at the appointed time send data in the interval, for example, to send a data memory block required time as time slot (time slot), for time slot is not repeated, make transmission opportunity by ID, at this moment between in send a batch data.So, can prevent that many wireless devices from sending data simultaneously.
1a is the GNSS receiver, and 1b is the protective cover of GNSS receiver, and the effect of cover is to prevent to avenge or sand and dust are deposited in the sensitivity that reduces the GNSS electric wave on the GNSS antenna, or to the influence of wind and rain etc.
The GNSS receiver receives electric waves from a plurality of GNSS satellites, when asking the GNSS time, makes itself and GNSS time synchronized, and this acceptance point per second is carried out the position finding of three-dimensional.The three-dimensional velocity speed of its direction (moving direction and) is at some cycles, for example: find the solution repeatedly to the aggregate-value of carrier phase data per 30 seconds or per 60 seconds.In fact, the GNSS antenna of acceptance point GNSS satellite of existing location requirement in the visual field receives electric wave.
Fig. 4 is the pie graph that compiles the station, by the 2a communication control unit, and wireless device 2b, AC_DC voltage changer 2c, power-supply controller 2d, accumulator 2e forms.The power supply that compiles the station all is transformed to the dc voltage of use by AC power supplies, when offering communication control unit 2a and wireless device 2b, be transferred to accumulator 2e by power-supply controller 2d, is battery 2e charging.Battery 2e can provide necessary electric power for compiling the station control module when AC power supplies has a power failure.The effect of power-supply controller 2d is an electric weight of judging accumulator, the charge and discharge of control battery 2e.
The above-mentioned control module that is made of 2a, 2b, 2c, 2d, 2e is accommodated in the cabinet of 3 anti-environment of process (temperature, humidity, wind and rain, dustproof) processing.
4a is and compiles the wireless aerial that carries out wireless communication between the station.4d is to be the concentric cable of wireless aerial power supply and signal from wireless device.
The effect of communication control unit 2a is the Monitoring Data that GNSS receiver 1a is collected, be stowed to the Monitoring Data storage card, and power source ON, the OFF of control wireless device 2b, and the control monitoring station with compile wireless communication between the station and reach and the communicating by letter of 4 of data processors.
Compile the station by communicating control between ADSL7 and communication staff 8 circuits, the Monitoring Data that will compile sends to Surveillance center by data processor 4 (using IP network to carry out data communication).
Compiling of Monitoring Data is the internal time of data processor when coincideing with fixed time of setting in advance (for example: per 1 hour, per 4 hours, per 6 hours, per 12 hours etc.), and data processor reads the Monitoring Data that is kept at the Monitoring Data of storage card division and base station in the communication control unit memory media of data processor.
The Monitoring Data that is recorded in the memory media is handled in the data processor that is mounted the baseline analysis program.The words of the usage license have been signed as the baseline analysis program of installing, baseline is resolved the back data and Monitoring Data will be sent to the ftp server of Surveillance center by the communication line that is connected with data processor, do not obtain the usage license as the baseline analysis program of installing, have only Monitoring Data to be sent to Surveillance center.
Monitoring station, base station and the communication control unit 2a that compiles the station design for battery operated, and major function is the unlatching of control power supply.For example: GNSS receiver, GNSS receiver reception Monitoring Data etc. keeps continuous working always.And manage by the GNSS time from the signal that wireless device and other sensors transmit, will provide the power supply of required time when needing, in case work is finished and will be stopped power supply.
Fig. 5 is the synoptic diagram that compiles the station, and 1a is the GNSS receiver, and 1b is the protective cover of GNSS receiver, and the effect of cover is to prevent to avenge or sand and dust are deposited in the sensitivity that reduces the GNSS electric wave on the GNSS antenna, or to the influence of wind and rain etc.
The GNSS receiver receives electric waves from a plurality of GNSS satellites, when trying to achieve the GNSS time, makes itself and GNSS time synchronized, and this acceptance point per second is carried out the position measurement of three-dimensional.The three-dimensional velocity speed of its direction (moving direction and) is at some cycles, for example: find the solution repeatedly to the aggregate-value of carrier phase data per 30 seconds or per 60 seconds.In fact, the GNSS antenna of acceptance point GNSS satellite of existing location requirement in the visual field receives electric wave.
Fig. 6 is the pie graph of communication control unit, and the communication control unit of each monitoring station and base station all is equipped with storage card, and whole Monitoring Data of reception will be by temporary.
When monitoring station and base station are stored the temporary Monitoring Data of card, identified is after not sending data, will be as unregistered Monitoring Data to upper relay station and compile station and continue transmission.
Finally, the data of compiling in the register in the data processor at station will be by data base system.
In addition, when being compiled station and confirm as data omission is arranged, compile the affirmation function that the station can also send instruction again to relevant monitoring station or base station transmission missing data.
When communication function breaks down, can reclaim the storage card of this monitoring station and base station or the content in the storage card is read in the computer to on-the-spot, make the omission of important Monitoring Data be retained in Min..
The Monitoring Data of record is when surpassing recording capacity in the storage card, and legacy data will be covered by new data or read the back content that direct deletion card is deposited in computer by computer.
Fig. 7 is the workflow diagram of communication control unit,
Fig. 8 is that mission flow diagram is handled in the maintenance of communication control unit;
Fig. 9 is the workflow diagram that compiles the data processing division of standing;
Now, be described as follows in conjunction with above-mentioned accompanying drawing:
1-1. initialization process portion
This handling part is implemented following initialization.
The ◎ GNSS receiver initial stage is provided with
◎ clear to send formation
Each transceiver buffering of ◎ is removed
The initial stage of ◎ LED is provided with
The initialization of ◎ information management reference table (public reference table)
◎ monitoring station working mark=OFF
1-2. timed task
This timed task is implemented following the processing
◎ is for sending information each task time
Each overtime management of handling of ◎
Respectively handle required timing and calculate, notify overtime.
◎ laser-emitting diode reason
1-3. power monitoring is handled
Whether inspection power supply in each certain hour is interrupted.
As find power supply interrupted words are arranged, can send power supply OFF report text.
Voltage is when certain value, and power supply OFF report text can send,
Power supply OFF report text has or not to post a letter and is provided with in the maintenance menu.
1-4.GNSS Return Reception Dept.
This handling part is implemented following the processing:
◎ receives data from the GNSS receiver
Receive output in 1 second data once from the GNSS receiver
◎ extracts GNSS and receives data
Receive extracting data latitude, longitude, orientation, speed, GNSS location state, location constantly from GNSS.
◎ GNSS data set
Each GNSS data formation group in public reference table
The output of ◎ GNSS data
The data that the GNSS receiver receives are exported from the maintenance port
◎ RTC time revisal
After the power source ON with the monitoring station, use the GNSS moment (GNSS location state is for effective) that the RTC of monitoring station is carried out revisal.(being set to a starting back revisal once)
1-5. radio reception portion
This handling part is implemented following the processing:
◎ receives the parsing of data
Confirm the conformability (whether by rule) of the data of reception, and carry out text and resolve.
◎ sends the call answering text arbitrarily and handles
Remove and send the call answering waiting status arbitrarily
If be provided with not in exhalation, LED neglects the bright lamp that goes out suddenly will become instruction, the moving instruction of sending " PI, PI " sound of signalling means ring of lighting a lamp.
◎ breathes out and requires text to handle
Send indivedual the exhalation and reply text.
The state of monitoring station is changed in the exhalation.
Assign LED and be shown as instruction in the exhalation, moving " PI-, the PI-" sound that sends of signalling means ring.
◎ test signal text receives to be handled
Send test answer signal text.
As when receiving additional queries parameter test signal text, can add desired parameters and send the answer signal text.
As receiving additional parameter more during new data test signal text, renewable fixed parameter sends the answer signal text.
◎ data forwarding text receives to be handled
As receive to send to and be connected the text of selecting the machine on the port, just data are passed to selection machine Communications Processor Module.
◎ radio link connection processing (reception)
Reply reception when carrying out the radio link connection processing.
1-6. send the accident handling part
This handling part is implemented following the processing
◎ is owing to state variation is sent calling
When the state of instrument changes,, state variation sends the calling text arbitrarily owing to sending.
State changed into send the call answering waiting status arbitrarily.
◎ regularly sends calling
Between the no transmission time ※,, the calling text is sent in timed sending arbitrarily as not sending accident (sending the state of calling).(can also register at transmit queue according to being provided with) changes state into and sends the call answering waiting status arbitrarily.
◎ does not have the communication monitoring signal and sends calling
As in the time of writing down in advance, not communicating, for preventing that radio link from interrupting sending no communication monitoring signal.
◎ sends the call condition initialization
As regularly sending to call out accident taking place, can call out regularly initialization with regularly sending, will begin new evaluation from that time.
When finding instrument and stop, ◎ sends calling
When the power interruption of monitoring station, send arbitrarily and call out text (power supply OFF reports text) once a registration.
The supply voltage of monitoring station can send when certain value.
After power supply OFF report text sends, power supply (not from Surveillance center reply text) will be interrupted in the monitoring station.
This function is can carry out ON/OFF to switch.
1-7. radio transmitting handling part
This handling part is implemented following the processing
◎ registers transmit queue
The registration of text in the formation is given in management.
◎ sends transmit queue
The text waited for of dispatcher queue in order.
◎ is overtime to re-execute processing
What be sent out text overtimely re-executes processing.
◎ radio-circuit connection processing (send and handle)
1-8. Extended Capabilities Port communication process portion
This handling part is implemented following the processing
The ◎ Extended Capabilities Port receives to be handled
Receive data according to the Extended Capabilities Port communication sequence from spread tips.
The ◎ Extended Capabilities Port sends to be handled
Send data according to the Extended Capabilities Port communication sequence from spread tips.
1-9.1/O port handling part
This handling part is implemented following the processing
The input of ◎ parallel port is handled
Read parallel port
The output of ◎ parallel port is handled
Send data according to the Extended Capabilities Port communication sequence from spread tips.
1-10. connecting, radio link monitors processing
This handling part is implemented following the processing
The connection status [connection/interruption] of the frequent monitoring wireless electric line of ◎
* monitor control signal wire DSR, CTS
No matter which becomes OFF (0), become computing time till the ON (1) as DSR, CTS.
DSR、CTS
5 seconds with interior ON (1): with the circuit forced interruption, to sending the accident handling part circuit connection processing sign is set.
ON (1) after 5 seconds: become ON (1) as DCD, the session sign is set to sending the accident handling part.Become OFF (0) as DCD, circuit connection processing sign is set sending the accident handling part.
* monitor control signal wire DCD
Become OFF (0) as DCD, circuit connection processing sign is set sending the accident handling part.
If use again the connection processing can't connection line, to sending the accident handling part circuit connection processing sign be set in per 100 seconds.
1-11. the LED display process portion of communication control unit
This handling part is implemented following the processing
LED1: during communication control unit work, lamp was to neglect the bright state that goes out suddenly and dodge the cycle with 1 second.
LED2: when receiving data from the outside is the state of lighting a lamp always.
LED3: being the state of lighting a lamp when being connected session with Surveillance center, is to neglect the bright state that goes out suddenly and dodge during wait acknowledge after text sends.
LED4: in the time of during radio-circuit connects is the state of lighting a lamp.
1-12. signalling means handling part
This handling part is implemented following the processing:
The moving management of ◎ signalling means ring
When accepting to reply text, Surveillance center sends " PI, PI " sound
(behind down state switch process 50s eo) can send the sound of " PI-" when replying the text no response.
Send " PI-, PI-, PI-, PI-, PI-" during individual calling
* till (in the maintenance menu setting) process of appointed time, proceed to handle always.
1-13. maintenance processing task
Figure 10 compiles between station and the Surveillance center to carry out the synoptic diagram of data communication (TCP/IP or UDP communicate by letter), is described below in conjunction with the accompanying drawings:
(1) transmission of data:
Transmission project handling part is to use own IP address, Surveillance center IP address, portal number to make the UDP packets of information.
The UDP packets of information of making is collected in the software that the IP packets of information sends to Surveillance center.
(2) reception of data:
In monitoring center software, the UDP packets of information in the IP packets of information that receives is taken out.
The wireless receiving handling part is that own IP address, Surveillance center IP address, portal number are confirmed.
Technical scheme in the utility model by adopting accumulator, makes the GNSS receiver can continuous working, thereby can keep the satellite of GNSS receiver to supply, state knocks into the back; Have many times and can need obtain data according to the difference of monitoring target with its environmental correclation.For example: when this device is applied in landslide monitoring, and the relation between the rainfall amount of its surrounding area is exactly a very important relevant environment Monitoring Data.Therefore this device has: when GNSS monitored, the data that other environment monitoring device of outer setting is monitored out were fetched and are put together, send to the function of compiling the center as a complete Monitoring Data.
Technical scheme in the utility model can be used for geology and change observation, to the displacement of the overhead bridge pier of bridge pier or road, the measurement of buildings displacement, can play good hazard forecasting effect in disaster early warning such as rubble flow and landslide.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (7)

1, a kind of system that utilizes single-frequency GNSS receiver monitoring geology to change is characterized in that described system comprises:
Monitoring modular is used to obtain Monitoring Data;
Collection module is used to compile the Monitoring Data of described monitoring modular;
Monitoring center module is used for that described Monitoring Data is carried out baseline and resolves;
Described collection module comprises:
The GNSS receiving element comprises GNSS antenna part and GNSS receiver, is used to receive the signal data of GNSS satellite;
Communication control unit comprises microcomputer portion, clock portion, and storage part is used for control communication; Described microcomputer portion comprises central processing unit, ROM (read-only memory), random access memory, register; Described central processing unit has interruptable controller, communication port, the function of general parallel input/output port sum counter; Described register holds time information, described time information is a standard with the GNSS time system;
Data processing unit is used to handle the signal data that receives;
Power supply unit comprises solar cell, and accumulator is used to the GNSS monitoring device that power supply is provided; Solar cell in the described power supply unit has for described GNSS receiving element provides power supply, and is the function of described charge in batteries, and when described solar cell quit work, described accumulator had the function that power supply is provided for described GNSS receiving element;
The radio communication device unit is used to transmit information between GNSS satellite and the described GNSS receiving element;
Monitoring modular is by obtaining Monitoring Data, and described collection module receives described Monitoring Data, then, described Monitoring Data is sent to described Surveillance center, and is last, and described Surveillance center carries out baseline to described Monitoring Data and resolves.
2, the system that utilizes single-frequency GNSS receiver monitoring geology to change according to claim 1, it is characterized in that, described system also comprises trunk module, described trunk module is used to receive the Monitoring Data that sends from described monitoring modular, then described Monitoring Data is sent to described collection module; Described trunk module specifically comprises:
The GNSS receiving element comprises GNSS antenna part and GNSS receiver, is used to receive the signal data of GNSS satellite;
Communication control unit comprises microcomputer portion, clock portion, and storage part is used for control communication; Described microcomputer portion comprises central processing unit, ROM (read-only memory), random access memory, register; Described central processing unit has interruptable controller, communication port, the function of general parallel input/output port sum counter; Described register holds time information, described time information is a standard with the GNSS time system;
Data processing unit is used to handle the signal data that receives;
Power supply unit comprises solar cell, and accumulator is used to the GNSS monitoring device that power supply is provided;
The radio communication device unit is used to transmit information between GNSS satellite and the described GNSS receiving element.
3, according to each described system that utilizes single-frequency GNSS receiver monitoring geology to change in the claim 2, it is characterized in that described system also comprises base modules, described base modules specifically comprises:
The GNSS receiving element comprises GNSS antenna part and GNSS receiver, is used to receive the signal data of GNSS satellite;
Communication control unit comprises microcomputer portion, clock portion, and storage part is used for control communication; Described microcomputer portion comprises central processing unit, ROM (read-only memory), random access memory, register; Described central processing unit has interruptable controller, communication port, the function of general parallel input/output port sum counter; Described register holds time information, described time information is a standard with the GNSS time system;
Data processing unit is used to handle the signal data that receives;
Power supply unit comprises solar cell, and accumulator is used to the GNSS monitoring device that power supply is provided;
The radio communication device unit is used to transmit information between GNSS satellite and the described GNSS receiving element.
4, according to each described system that utilizes single-frequency GNSS receiver monitoring geology to change among the claim 1-3, it is characterized in that the clock portion in the described communication control unit comprises and is used to control the startup of GNSS monitoring device work and the temperature compensated crystal oscillator that stops.
5, according to each described system that utilizes single-frequency GNSS receiver monitoring geology to change among the claim 1-3, it is characterized in that, storage part in the described communication control unit is preserved the signal data from described GNSS satellite, and described signal data is sent to the second communication control module.
6, according to each described system that utilizes single-frequency GNSS receiver monitoring geology to change among the claim 1-3, it is characterized in that the clock portion in the described communication control unit is constantly inner according to described GNSS receiving element correction.
7, the system that utilizes single-frequency GNSS receiver monitoring geology to change according to claim 6, it is characterized in that, clock portion in the described communication control unit is constantly inner according to described GNSS receiving element correction, specifically pass through: start described central processing unit, described central processing unit monitors described GNSS receiving element, and according to described GNSS receiving element, the time information in the register in the described microcomputer portion is revised, thereby the inside of realizing revising clock portion constantly.
CNU2008201234726U 2008-11-04 2008-11-04 System for monitoring geological changes by utilizing single-frequency GNSS receiver Expired - Fee Related CN201352115Y (en)

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CN102244535A (en) * 2010-05-14 2011-11-16 中国科学院国家天文台 System with wide geographical coverage for monitoring positions in real time
CN102243056A (en) * 2011-04-23 2011-11-16 重庆大学 Landslide real-time monitoring system
CN102435165A (en) * 2011-09-07 2012-05-02 石家庄铁道大学 CNSS (COMPASS navigation satellite system)-based long-term ground facility deformation monitoring system and CNSS-based long-term ground facility deformation monitoring method
CN103077584A (en) * 2011-10-25 2013-05-01 成都玺汇科技有限公司 Geological disaster monitoring and early warning system
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CN102244535A (en) * 2010-05-14 2011-11-16 中国科学院国家天文台 System with wide geographical coverage for monitoring positions in real time
CN102243056A (en) * 2011-04-23 2011-11-16 重庆大学 Landslide real-time monitoring system
CN102243056B (en) * 2011-04-23 2012-09-05 重庆大学 Landslide real-time monitoring system
CN102435165A (en) * 2011-09-07 2012-05-02 石家庄铁道大学 CNSS (COMPASS navigation satellite system)-based long-term ground facility deformation monitoring system and CNSS-based long-term ground facility deformation monitoring method
CN102435165B (en) * 2011-09-07 2013-07-24 石家庄铁道大学 CNSS (COMPASS navigation satellite system)-based long-term ground facility deformation monitoring method
CN103077584A (en) * 2011-10-25 2013-05-01 成都玺汇科技有限公司 Geological disaster monitoring and early warning system
CN103176447A (en) * 2012-12-31 2013-06-26 中国地质调查局水文地质环境地质调查中心 Device and system for broadband satellite video remote monitoring of mountain torrents and debris flows
CN103176447B (en) * 2012-12-31 2015-12-23 中国地质调查局水文地质环境地质调查中心 A kind of mountain torrents rubble flow broadband satellite video remote monitoring device and system
CN103295378A (en) * 2013-05-23 2013-09-11 南京信息工程大学 GNSS (global navigation satellite system) network communication system
CN103295378B (en) * 2013-05-23 2015-04-29 南京信息工程大学 GNSS (global navigation satellite system) network communication system
CN105444726A (en) * 2014-08-28 2016-03-30 中建四局第六建筑工程有限公司 Method and system for building structure deformation monitoring based on Beidou satellite
CN105300363A (en) * 2015-11-02 2016-02-03 北京航大泰科信息技术有限公司 GNSS-R (Global Navigation Satellite System-Reflection) sea surface information detection system
CN109061681A (en) * 2018-08-16 2018-12-21 陕西省地质环境监测总站 A kind of geologic shifts monitoring device, method and system

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