CN111596314A - Data uploading method of RTK host, RTK host and deformation monitoring and positioning system - Google Patents
Data uploading method of RTK host, RTK host and deformation monitoring and positioning system Download PDFInfo
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- CN111596314A CN111596314A CN202010300831.6A CN202010300831A CN111596314A CN 111596314 A CN111596314 A CN 111596314A CN 202010300831 A CN202010300831 A CN 202010300831A CN 111596314 A CN111596314 A CN 111596314A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 75
- 238000012937 correction Methods 0.000 claims abstract description 19
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/06—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/43—Determining position using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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Abstract
The invention provides a data uploading method of an RTK host, the RTK host and a deformation monitoring and positioning system, wherein the data uploading method comprises the following steps: s101: acquiring network states of communication networks corresponding to all the SIM cards, selecting the SIM cards according to the network states, and connecting the SIM cards with the communication networks; s102: receiving the differential correction data through a communication network, generating position information data according to the differential correction data, and transmitting the position information data to a monitoring center; s103: and judging whether the network state of the communication network corresponding to the SIM card meets a preset condition, if so, executing S101, and if not, executing S102. According to the invention, the plurality of SIM cards are arranged in the RTK host, and the communication network for connection is selected according to the current network state, so that the network application stability of the RTK host in deformation monitoring is improved, the risk that data cannot be uploaded to a service center in time due to network problems is reduced, and the life and property safety of people is further ensured.
Description
Technical Field
The invention relates to the field of deformation monitoring and positioning, in particular to a data uploading method of an RTK host, the RTK host and a deformation monitoring and positioning system.
Background
The high-precision positioning technology RTK (Real-Time Kinematic) is an important positioning technology in the current surveying and mapping field, and the application range thereof is increasingly wide, and especially plays an important role in deformation monitoring positioning application. In deformation monitoring applications, the common landslide monitoring is more. In a mountain landslide monitoring project, RTK hosts are all installed on a high mountain steep slope and are connected with a network in a wireless communication mode.
In the prior art, an RTK host is often connected to only one communication network, and in daily use, a single communication network is often prone to signal interruption or jamming and other problems due to conditions such as maintenance, failure, use of a large number of users and the like, so that data cannot be transmitted to a monitoring center in time. During deformation monitoring, data often needs to be transmitted to a monitoring center in a very short time, so that the monitoring center can quickly judge whether a disaster occurs according to the transmitted data, and therefore, the existing data transmission mode cannot meet the requirement of deformation monitoring easily.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a data uploading method of an RTK host, the RTK host and a deformation monitoring positioning system, wherein a plurality of SIM cards are arranged in the RTK host, a communication network for connection is selected according to the current network state, and the data is received and transmitted through the communication network, so that the network application stability of the RTK host in deformation monitoring is improved, the risk that the data cannot be uploaded to a service center in time due to network problems is reduced to the maximum extent, people in a disaster area can be ensured to accurately receive disaster information in time and make timely action, and the life and property safety of people is further ensured.
In order to solve the above problems, the present invention adopts a technical solution as follows: a data uploading method of an RTK host is disclosed, wherein the RTK host is applied to deformation monitoring positioning and is provided with SIM cards, and the type and the number of the SIM cards correspond to the type and the number of communication networks at the position of the RTK host; the data uploading method comprises the following steps: s101: acquiring network states of communication networks corresponding to all SIM cards, selecting the SIM cards according to the network states, and connecting the SIM cards with the communication networks; s102: receiving differential correction data through the communication network, generating position information data according to the differential correction data, and transmitting the position information data to a monitoring center; s103: and judging whether the network state of the communication network corresponding to the SIM card meets a preset condition, if so, executing S101, and if not, executing S102.
Further, the number of the SIM cards is 3, which are a mobile SIM card, a universal SIM card and a telecommunication SIM card, respectively.
Further, the network state includes network signal strength and network type.
Further, the step of acquiring the network states of the communication networks corresponding to all the SIM cards specifically includes: and sequentially dialing through different SIM card networks to realize surfing the Internet, and acquiring the network state of the communication network when surfing the Internet.
Further, the step of selecting the SIM card according to the network status specifically includes: and selecting the SIM card corresponding to the communication network with the best network standard according to the network state, and selecting the SIM card corresponding to the communication network with the highest network signal intensity from the SIM cards when at least two SIM cards exist.
Further, the step of generating the position information data according to the differential correction data specifically includes: and performing positioning calculation on the differential correction data to generate position information data.
Further, after the step of transmitting the location information data to the monitoring center, the method further includes: and acquiring the network state of the currently connected communication network.
Further, the preset condition is that the network signal strength is lower than 20 or the network standard is not 4G.
Based on the same inventive concept, the invention also provides an RTK host, which comprises a wireless communication module, wherein the wireless communication module is provided with SIM cards, and the types and the number of the SIM cards correspond to the types and the number of communication networks at the position of the RTK host;
and the RTK host realizes the data uploading method of the RTK host according to the SIM card.
Based on the same inventive concept, the invention further provides a deformation monitoring and positioning system, which comprises: the RTK host is provided with SIM cards, the type and the number of the SIM cards correspond to the type and the number of the communication networks at the position of the RTK host, and the RTK host realizes the data uploading method of the RTK host according to the SIM cards.
Compared with the prior art, the invention has the beneficial effects that: the method has the advantages that the plurality of SIM cards are arranged in the RTK host, the communication network for connection is selected according to the current network state, data are received and transmitted through the communication network, the network application stability of the RTK host in deformation monitoring is improved, the risk that the data cannot be uploaded to a service center in time due to network problems is reduced to the maximum extent, people in disaster areas can be guaranteed to accurately receive disaster information in time and make timely action, and the life and property safety of people is further guaranteed.
Drawings
Fig. 1 is a flowchart illustrating a data uploading method of an RTK host according to an embodiment of the present invention;
fig. 2 is a functional block diagram of an embodiment of an RTK host in the RTK host data uploading method according to the present invention;
fig. 3 is a flowchart illustrating a data uploading method of an RTK host according to another embodiment of the present invention;
FIG. 4 is a flow diagram of one embodiment of the optimal network selection sub-process of FIG. 3;
FIG. 5 is a block diagram of an embodiment of an RTK host of the present invention;
fig. 6 is a structural diagram of an embodiment of a deformation monitoring positioning system according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Referring to fig. 1-4, fig. 1 is a flowchart illustrating a data uploading method of an RTK host according to an embodiment of the present invention; fig. 2 is a functional block diagram of an embodiment of an RTK host in the RTK host data uploading method according to the present invention; fig. 3 is a flowchart illustrating a data uploading method of an RTK host according to another embodiment of the present invention; fig. 4 is a flowchart of an embodiment of the optimal network selection sub-process in fig. 3. The data uploading method of the RTK host according to the present invention is described in detail with reference to fig. 1 to 4.
In this embodiment, the RTK host includes a CPU and a wireless communication module, the CPU is connected to the wireless communication module, a SIM card is disposed in the wireless communication module, the type and number of the SIM card correspond to the type and number of the communication network where the RTK host is located, and the CPU executes a data uploading method of the RTK host as described below according to the SIM card in the wireless communication module.
S101: and acquiring the network states of the communication networks corresponding to all the SIM cards, selecting the SIM cards according to the network states, and connecting the SIM cards with the communication networks.
In this embodiment, the number of the SIM cards is 3, which are a mobile SIM card, a universal SIM card and a telecommunication SIM card.
In other embodiments, the wireless communication module may also set an eSIM card or a communication device supporting an NB-IOT network, a satellite network, and other wireless communication networks according to a network condition of an area where the RTK host is located, which is not limited herein.
In this embodiment, the network status includes network signal strength and network type. The network system comprises 2G, 3G, 4G, 5G and other network types. The network signal strength is determined according to the signal strength received by the RTK host, the network signal strength is divided into 32 strength levels, and the signal strengths of different SIMs are distinguished according to the strength levels.
In this embodiment, the step of acquiring the network states of the communication networks corresponding to all the SIM cards specifically includes: and dialing through different SIM card networks in sequence to realize surfing the Internet, and acquiring the network state of the communication network when surfing the Internet.
In this embodiment, the step of selecting the SIM card according to the network status specifically includes: and selecting the SIM card corresponding to the communication network with the best network system according to the network state, and selecting the SIM card corresponding to the communication network with the highest network signal intensity from the SIM cards when at least two SIM cards exist.
In this embodiment, the network type of the most data that can be transmitted at the same time is determined as the best communication network.
S102: and receiving the differential correction data through a communication network, generating position information data according to the differential correction data, and transmitting the position information data to a monitoring center.
In this embodiment, the step of generating the position information data from the difference correction data specifically includes: and performing positioning calculation on the differential correction data to generate position information data.
In this embodiment, the RTK host receives the differential correction data, which is dialed by the CORS server through the network, through the communication network, and after generating the position information data according to the differential correction data, the position information data is uploaded to the server of the monitoring center through the communication network in real time, and the server analyzes the position information data, determines whether a disaster risk exists, and notifies people in a disaster area in time when the disaster risk is determined.
In this embodiment, the step of transmitting the location information data to the monitoring center further includes: and acquiring the network state of the currently connected communication network.
S103: and judging whether the network state of the communication network corresponding to the SIM card meets a preset condition, if so, executing S101, and if not, executing S102.
In this embodiment, the preset condition is that the network signal strength is lower than 20 or the network type is not 4G. In other embodiments, the preset condition may also be that the network signal strength is lower than 10 or the network type is not 5G, and the specific condition may be determined according to the network state of the location of the RTK host, which is not limited herein.
The data uploading method of the RTK host of the present invention is described below by taking an example in which the SIM card is a mobile 4G SIM card, a universal 4G SIM card, or a telecom 4G SIM card.
The specific implementation steps of the data uploading method comprise two processes:
scheme 1: optimized network selection procedure
1) Powering up an RTK host with three SIM cards of different operators inside, and initializing a wireless communication module;
2) the CPU controls the wireless communication module to select a mobile 4G SIM card for network dialing to realize the mobile 4G internet function;
3) reading the network Signal intensity (Signal _ Mobile) of the Mobile 4G network; the network signal strength represents the strength of the current network, the value of the network signal strength is 0 to 32, the larger the value is, the stronger the network signal is, and the smaller the value is, the weaker the network signal is;
4) reading the current network Type (Type _ Mobile) of the Mobile 4G network; the network system mainly comprises three types of 4G LTE, 3G TDSCDMA and 2G GPRS;
5) secondly, selecting a Unicom 4G SIM card to dial the network, and realizing the Unicom 4G internet function;
6) reading the network Signal intensity (Signal _ Unicom) of the 4G network; the signal strength represents the strength of the current network, the value of the signal strength is 0 to 32, the larger the value is, the stronger the network signal is, and the smaller the value is, the weaker the network signal is;
7) reading the current network Type (Type _ Unicom) of the Unicom 4G network; the network system mainly comprises 4GLTE, 3G WCDMA and 2G GPRS;
8) finally, selecting a telecom 4G SIM card to carry out network dialing, thereby realizing the telecom 4G internet function;
9) reading the network Signal strength (Signal _ Telecom) of the telecommunication 4G network; the signal strength represents the strength of the current network, the value of the signal strength is 0 to 32, the larger the value is, the stronger the network signal is, and the smaller the value is, the weaker the network signal is;
10) reading the current network Type (Type _ Telecom) of the telecommunication 4G network; the network standard mainly comprises 4G LTE, 3G CDMA and 2G GPRS;
11) and comprehensively judging: according to the network signal intensity and the network system of three different SIM cards, firstly selecting the SIM card with the highest network system; secondly, when the network systems are the same, selecting the SIM card with the highest network signal intensity;
for example:
when Type _ Mobile is 4G; type _ Nnicom ═ 4G; type _ Telecom is 3G;
then, the mobile network and the connected network are superior to the telecommunication network;
when Signal _ Mobile > Signal _ Unicom, the Mobile network Signal strength is better than the connected network Signal strength.
The mobile 4G SIM card is finally selected for network access.
12) And switching to the SIM card with the best network state for dial-up networking.
And (2) a flow scheme: deformation monitoring RTK host main function process
1) The RTK host firstly executes an optimized network selection process and selects an optimized network SIM card to surf the Internet;
2) the RTK host receives differential correction data through a 4G network; the difference correction data is dialed by a CORS server through a network, is received by an RTK host and participates in positioning calculation;
3) generating high-precision position information data according to the difference correction data;
4) uploading high-precision position information data to a server of a monitoring center in real time through a communication network; if the disaster situation risks exist, people can be evacuated quickly in time through the disaster area;
5) reading a communication network state corresponding to the currently used SIM card;
6) if the network signal intensity is lower than 20 or the network type is not 4G, restarting and executing the optimized network selection process;
7) and repeating the step 2 to finish the real-time uploading of the monitoring data and the real-time monitoring of the network state.
Has the advantages that: according to the data uploading method of the RTK host, the plurality of SIM cards are arranged in the RTK host, the communication network for connection is selected according to the current network state, the data is received and transmitted through the communication network, the network application stability of the RTK host in deformation monitoring is improved, the risk that the data cannot be uploaded to a service center in time due to network problems is reduced to the maximum extent, people in a disaster area can be ensured to accurately receive disaster information in time and make timely action, and the life and property safety of people is further guaranteed.
Based on the same inventive concept, the present invention further provides an RTK host, please refer to fig. 5, fig. 5 is a structural diagram of an embodiment of the RTK host of the present invention, and the RTK host of the present invention is specifically described with reference to fig. 5.
In this embodiment, the RTK host includes a wireless communication module, the wireless communication module is provided with SIM cards, and the type and number of the SIM cards correspond to the type and number of the communication network where the RTK host is located; the RTK host implements the data uploading method of the RTK host according to the SIM card as described in the above embodiments.
Has the advantages that: the RTK host provided by the invention is provided with the plurality of SIM cards, the communication network for connection is selected according to the current network state, and the data is received and transmitted through the communication network, so that the network application stability of the RTK host in deformation monitoring is improved, the risk that the data cannot be uploaded to a service center in time due to network problems is reduced to the maximum extent, people in disaster areas can be ensured to accurately receive disaster information in time and make timely action, and the life and property safety of people is further ensured.
Based on the same inventive concept, the present application further provides a deformation monitoring and positioning system, please refer to fig. 6, fig. 6 is a structural diagram of an embodiment of the deformation monitoring and positioning system of the present invention, and the deformation monitoring and positioning system of the present invention is specifically described with reference to fig. 6.
In this embodiment, the deformation monitoring and positioning system includes: the RTK host is provided with an SIM card, the type and the number of the SIM card correspond to the type and the number of the communication network where the RTK host is located, and the RTK host realizes the data uploading method of the RTK host according to the SIM card.
Has the advantages that: the deformation monitoring and positioning system provided by the invention has the advantages that the plurality of SIM cards are arranged in the RTK host, the communication network for connection is selected according to the current network state, and the data is received and transmitted through the communication network, so that the network application stability of the RTK host in deformation monitoring is improved, the risk that the data cannot be uploaded to a service center in time due to network problems is reduced to the maximum extent, people in a disaster area can be ensured to accurately receive disaster information in time and make timely action, and the life and property safety of people is further ensured.
In the embodiments provided in the present invention, it should be understood that the disclosed devices, modules and circuits may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the structural components of the modules may be divided into only one logical function, and other divisions may be made in practice, for example, a plurality of modules or modules may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, devices or indirect coupling or communication connection, and may be in an electrical, mechanical or other form.
The components described as separate parts may or may not be physically separate, and the components shown may or may not be physically separate, may be located in one place, or may be distributed in a plurality of places. Some or all of them can be selected according to actual needs to achieve the purpose of the embodiment.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A data uploading method of an RTK host is characterized in that the RTK host is applied to deformation monitoring positioning and is provided with SIM cards, and the type and the number of the SIM cards correspond to the type and the number of communication networks at the position of the RTK host;
the data uploading method comprises the following steps:
s101: acquiring network states of communication networks corresponding to all SIM cards, selecting the SIM cards according to the network states, and connecting the SIM cards with the communication networks;
s102: receiving differential correction data through the communication network, generating position information data according to the differential correction data, and transmitting the position information data to a monitoring center;
s103: and judging whether the network state of the communication network corresponding to the SIM card meets a preset condition, if so, executing S101, and if not, executing S102.
2. The data uploading method of the RTK host as claimed in claim 1, wherein the number of the SIM cards is 3, and the SIM cards are a mobile SIM card, a universal SIM card and a telecommunication SIM card.
3. The data uploading method of the RTK host as claimed in claim 1, wherein the network status includes a network signal strength and a network format.
4. The data uploading method for the RTK host according to claim 3, wherein the step of acquiring the network states of the communication networks corresponding to all the SIM cards specifically includes:
and sequentially dialing through different SIM card networks to realize surfing the Internet, and acquiring the network state of the communication network when surfing the Internet.
5. The data uploading method of the RTK host as claimed in claim 3, wherein the step of selecting the SIM card according to the network status specifically includes:
and selecting the SIM card corresponding to the communication network with the best network standard according to the network state, and selecting the SIM card corresponding to the communication network with the highest network signal intensity from the SIM cards when at least two SIM cards exist.
6. The data uploading method of an RTK host as claimed in claim 1, wherein the step of generating the position information data from the differential correction data specifically comprises:
and performing positioning calculation on the differential correction data to generate position information data.
7. The data uploading method of the RTK host as claimed in claim 1, wherein the step of transmitting the position information data to a monitoring center further comprises:
and acquiring the network state of the currently connected communication network.
8. The data uploading method of the RTK host as claimed in claim 2, wherein the preset condition is that the network signal strength is lower than 20 or the network format is not 4G.
9. An RTK host, characterized in that the RTK host comprises a wireless communication module provided with SIM cards, the type and number of the SIM cards corresponding to the type and number of communication networks where the RTK host is located;
the RTK host implementing the data upload method of the RTK host according to any one of claims 1-8 from the SIM card.
10. A deformation monitoring and locating system, comprising: the RTK host computer, the monitoring center, the said monitoring center is connected with said RTK host computer, the said RTK host computer has SIM cards, type and quantity of the said SIM card correspond to type and quantity of communication network of the position where the said RTK host computer locates, the said RTK host computer realizes the data upload method of the RTK host computer according to the said SIM card as claimed in any one of claims 1-8.
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