CN201352114Y - GNSS monitoring device and memory module - Google Patents
GNSS monitoring device and memory module Download PDFInfo
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- CN201352114Y CN201352114Y CNU2008201234707U CN200820123470U CN201352114Y CN 201352114 Y CN201352114 Y CN 201352114Y CN U2008201234707 U CNU2008201234707 U CN U2008201234707U CN 200820123470 U CN200820123470 U CN 200820123470U CN 201352114 Y CN201352114 Y CN 201352114Y
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Abstract
The utility model discloses a GNSS monitoring device and a memory module, belonging to the field of monitoring. The device comprises a GNSS receiver unit, a power supply unit, a radio unit and a communication control unit, wherein the communication control unit which comprises a micro-computer part, a clock part and a memory part is used for controlling the GNSS receiver unit, the power supply unit and the radio unit. The memory module which is positioned in the communication control unit of the GNSS monitoring device is used for saving the signal data from a GNSS satellite, and the memory module sends the signal data to a second communication control unit which reads the signal data; and if the signal data is sent to the second communication control unit successfully, then the signal data is removed from the memory module, but if the signal data fails to be sent to the second communication control unit, then the signal data is saved in a memory cell. The technical scheme realizes the security in the process of reading data.
Description
Technical field
The utility model relates to the monitoring field, particularly a kind of GNSS monitoring device and memory module.
Background technology
For the information of geology variations such as obtaining ground slip, inclination and distortion, crumble, can set in advance measuring devices such as compresometer, gradometer in the place of the possible spot of anticipation qualitative changeization; Compresometer can be measured the variable quantity in domain, the tilt quantity that gradometer can be measured the domain.Along with development of technology,, the GNSS monitoring device has been proposed again at existing measuring device.
In the GNSS monitoring device, obtain Monitoring Data from the GNSS satellite, Monitoring Data is carried out stores processor, carry out baseline in information center then and resolve.When Monitoring Data is carried out stores processor, the integrated circuit that is used to store that welds on the general using communication control unit, or the hard disk in the computing machine comes record data, but, for this integrated circuit that is used to store that is welded on the communication control unit, or the data in the hard disk in the computing machine, the communication control unit operate as normal is essential, if communication control unit damages, can't operate as normal, the data of being stored also just can't be taken out so.
Therefore, in the existing GNSS monitoring device,, depend on the duty of communication control unit to the data manipulation in the memory module, if communication control unit can't operate as normal, then can't reading of data.
Summary of the invention
For reading of data at any time, whether do not install operate as normal and rely on other, the utility model provides a kind of GNSS monitoring device and memory module.
In the monitoring device in the utility model, Monitoring Data is when being recorded to storage card, and each Monitoring Data all will together go on record with the mark that has transmission [not].After sending end by the means of communication, the mark that sends [not] will not change to [End] by [], send mark and will be noted down after changing.Send mark by this, can repeat to send or omit transmission, management Monitoring Data that can be correct sending to the Monitoring Data of compiling the station.Just in case bad the failing of communications status sends Monitoring Data to compiling the station, Monitoring Data will be retained in storage card by the state of [not], try to send when waiting communication state to recover again.
The Monitoring Data that the storage card of service recorder Monitoring Data is recorded, for difference is Monitoring Data to be sent finish or not transmission by certain communication means, Monitoring Data in storing card all indicates the mark of transmission [not] [End], by this mark, can repeat to send or omit the feature of the management of transmission to sending to the Monitoring Data of compiling the station.
And surface displacement is subjected to the influence of meteorological condition (air pressure, temperature, humidity), rainfall amount, wind-force etc. mostly.Therefore, our this device also has, can with under same time series, collect the function of Monitoring Data for obtaining other pick-up units that related data is installed in GPS displacement measurement mechanism periphery.
Technical scheme in the utility model is as follows:
A kind of GNSS monitoring device comprises:
The GNSS receiving element comprises GNSS antenna part and GNSS receiver, is used to receive the signal data of GNSS satellite;
Power supply unit comprises solar panel, and accumulator is used to the GNSS monitoring device that power supply is provided;
Radio unit comprises wireless antenna portion and radio receiving-transmitting unit, is used to transmit information between GNSS satellite and the GNSS receiving element;
Communication control unit comprises microcomputer portion, clock portion, and storage part is used to control GNSS receiving element, power supply unit and radio unit;
Data processing unit is used to handle the signal data that receives;
Storage part has following function:
Preservation is sent to the second communication control module from the signal data of GNSS satellite with signal data, and the second communication control module reads signal data;
If signal data is sent to the success of second communication control module, then signal data is removed from storage part; If signal data is sent to the failure of second communication control module, then signal data is stored in the storage unit.
Wherein, storage part can disassemble from communication control unit.
Storage part has the function that the failure message of work is sent to the second communication control module.
By the wireless communication mode signal data is sent to the second communication control module.
A kind of memory module is arranged in the communication control unit of GNSS monitoring device, is used to preserve the signal data from the GNSS satellite;
Memory module is sent to the second communication control module with signal data, and the second communication control module reads described signal data;
If signal data is sent to the success of second communication control module, then signal data is removed from described memory module; If signal data is sent to the failure of second communication control module, then signal data is stored in the storage unit.
Memory module can disassemble from communication control unit.
Memory module has the function that the failure message of work is sent to the second communication control module.
By the wireless communication mode signal data is sent to the second communication control module.
By the technical scheme in the utility model, no matter whether communication control unit is normal, can reading of data, and promptly when other device cisco unity malfunctions, also can take out data, thereby realize the security of data storage.
Description of drawings
Fig. 1 is the block diagram of the GNSS monitoring device that provides among the embodiment;
Fig. 2 is the detailed pie graph of the GNSS monitoring device that provides among the embodiment;
Fig. 3 is the workflow diagram of communication control unit in the GNSS monitoring device that provides among the embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
Present embodiment provides a kind of GNSS monitoring device, comprises the GNSS receiving element, and communication control unit discharges and recharges control loop device unit, storage unit etc.
In the GNSS monitoring device, monitoring station, base station, relay station are arranged and compile the station, all there is communication control unit each website inside, and, storage card all is installed in communication control unit, whole Monitoring Data of reception will be by temporary.
Fig. 1 is the pie graph of monitoring station and base station;
Wherein, communication control unit 1, location data from 2 collections of GNSS receiving element, by 3 outputs of wireless device unit, accumulator 4 provides energy by discharging and recharging the control loop device for communication control unit, solar panel 5 provides energy by discharging and recharging the control loop device for communication control unit, is accumulator 4 chargings simultaneously.
Fig. 2 is the detailed pie graph of GNSS monitoring device;
When monitoring station and base station are stored the temporary Monitoring Data of card, identified is after not sending data, will register Monitoring Data to upper relay station and compile the station and send as the end.
So, by in be stored in the Monitoring Data of the communication control unit 1 of each monitoring station and base station, have and will store the up-to-date Monitoring Data of card and store in the card memory capacity function that Monitoring Data is in the past preserved.
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 of the instruction that the station will send relevant monitoring station or base station transmission missing data in addition again.
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, the omission that makes important Monitoring Data is 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.
Technical scheme in the present embodiment once is recorded in the storage card based on records store data in storage card, whole Monitoring Data.Then, utilize Monitoring Data in storage card of means of communication, playback record, after data integration office transmitting supervisory data, from storage card this Monitoring Data of cancellation.Bad failing sends Monitoring Data to integrated office if communicate by letter, and then Monitoring Data just is retained according to the state that writes down in the storage card, waits for the recovery of communication conditions, attempts sending data once more.But under the unusual situation of Department of Communication Force, owing to can not recover above-mentioned communication function, Monitoring Data just has been retained in the storage card as a result.According to the position of Monitoring Data recording portion in this storage card, this Monitoring Data does not disappear and can write down data monitored.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, the omission that makes important Monitoring Data is in Min..
Also have, when storage card breaks down and can not in storage card, write down Monitoring Data, have to integrated office according to the software of communication control unit and to pass on the function of information such as the different shape of storage card thereby can pass on the fault omen of monitoring office to the user of system.
The computer portion of the control substrate of communication unit adopts Micro Industrial TRON (The Real-timeOperating System Nucleus) as operating system.
It is to be controlled by Interrupt Process that handling procedure is gone in each output, and Interrupt Process is to be managed by task unit, and task unit is the form that is managed by real time operating system.
Fig. 3 is the workflow diagram of communication control unit in the GNSS monitoring device that provides in the utility model:
In case supply with communication unit substrate power supply, the CPU of lift-launch just will be according to the program that is reset after confirming the maintenance state, the initialization process of following note 1-1, transfers to the state that each treatment conditions state of affairs of wait generation was handled, become to task again.
The maintenance state is that the fixed number that application software and setting and change make software operation is installed.After having implemented necessary content,, after dropping into power supply once more and restarting, will break away from the maintenance state for the time being with dump.
Task is handled and is made of the timed task supervisor that carries out elemental motion, as does not have any processing state of affairs variation, will return wait task.
The basic state of affair change be meant interrupt, according to the processing that the main cause that takes place to interrupt is analyzed, necessary task is with follow procedure indication starting, the processing of enforcement appointment.
It below is explanation to main program.
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 receive 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, owing to sending, state variation sends the calling text arbitrarily, and state is changed into send the call answering waiting status arbitrarily,
◎ regularly sends calling,
Between the no transmission time ※, as not sending accident (sending the state of calling), the calling text is sent in timed sending arbitrarily, (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, will send no communication monitoring signal for preventing the radio link interruption,
◎ 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.l/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, circuit connection processing sign is set to sending the accident handling part,
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 be set sending the accident handling part,
Monitor control signal wire DCD;
Become OFF (0) as DCD, circuit connection processing sign be 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 the bright state that goes out suddenly and dodge of neglecting 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 50seo) 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.
By the technical scheme in the utility model, no matter whether communication control unit is normal, can reading of data, and promptly when other device cisco unity malfunctions, also can take out data, thereby realize the security of data storage.
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 (8)
1, a kind of GNSS monitoring device is characterized in that, comprising:
The GNSS receiving element comprises the GNSS antenna part and the GNSS receiver of the signal data that is used to receive the GNSS satellite;
Be used to the GNSS monitoring device that the power supply unit of power supply is provided, comprise solar cell, accumulator;
Be used to transmit the radio unit of information between GNSS satellite and the described GNSS receiving element, comprise wireless antenna portion and radio receiving-transmitting unit;
Be used to control the communication control unit of described GNSS receiving element, power supply unit and radio unit, comprise microcomputer portion, clock portion, storage part;
Be used to handle the data processing unit of the signal data that receives;
Described storage part is preserved the signal data from described GNSS satellite, and described signal data is sent to the second communication control module, and described second communication control module reads described signal data;
If described signal data is sent to the success of second communication control module, then described signal data is removed from described storage part; If described signal data is sent to the failure of second communication control module, then described signal data is stored in the described storage part.
2, GNSS monitoring device according to claim 1 is characterized in that, the described stores location on the described communication control unit is dismountable.
According to the communication control unit in each described GNSS monitoring system in claim 1 or 2, it is characterized in that 3, described storage part sends to the second communication control module with the failure message of work.
4, according to the communication control unit in each described GNSS monitoring system among the claim 1-3, it is characterized in that, described described signal data is sent to the second communication control module, is specially by the wireless communication mode described signal data is sent to the second communication control module.
5, a kind of memory module is characterized in that, is used for preserving the communication control unit that is positioned at the GNSS monitoring device from the described memory module of the signal data of GNSS satellite;
Described memory module is sent to the second communication control module with described signal data, and described second communication control module reads described signal data;
If described signal data is sent to the success of second communication control module, then described signal data is removed from described memory module; If described signal data is sent to the failure of second communication control module, then described signal data is stored in the described storage unit.
6, memory module according to claim 5 is characterized in that, the described stores location on the described communication control unit is dismountable.
According to each described memory module in claim 5 or 6, it is characterized in that 7, described memory module sends to the second communication control module with the failure message of work.
8, according to each described memory module among the claim 5-7, it is characterized in that described signal data will be sent to the second communication control module by the wireless communication mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201234707U CN201352114Y (en) | 2008-11-04 | 2008-11-04 | GNSS monitoring device and memory module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201234707U CN201352114Y (en) | 2008-11-04 | 2008-11-04 | GNSS monitoring device and memory module |
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| CN201352114Y true CN201352114Y (en) | 2009-11-25 |
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| CNU2008201234707U Expired - Fee Related CN201352114Y (en) | 2008-11-04 | 2008-11-04 | GNSS monitoring device and memory module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179043A (en) * | 2017-05-17 | 2017-09-19 | 千寻位置网络有限公司 | GNSS deformation monitoring systems and implementation method based on dual-active data center |
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2008
- 2008-11-04 CN CNU2008201234707U patent/CN201352114Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179043A (en) * | 2017-05-17 | 2017-09-19 | 千寻位置网络有限公司 | GNSS deformation monitoring systems and implementation method based on dual-active data center |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20121104 |