CN111896985A - Dual-mode Internet of things positioning system and method - Google Patents

Dual-mode Internet of things positioning system and method Download PDF

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Publication number
CN111896985A
CN111896985A CN202010755935.6A CN202010755935A CN111896985A CN 111896985 A CN111896985 A CN 111896985A CN 202010755935 A CN202010755935 A CN 202010755935A CN 111896985 A CN111896985 A CN 111896985A
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China
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module
dual
mode
control circuit
data
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CN202010755935.6A
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Chinese (zh)
Inventor
王康明
阮陈鹏
王丰
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Sichuan Railway Information Technology Co.,Ltd.
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Sichuan Tieji Gonglian Technology Co ltd
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Priority to CN202010755935.6A priority Critical patent/CN111896985A/en
Publication of CN111896985A publication Critical patent/CN111896985A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining 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
    • G01S19/42Determining position
    • G01S19/421Determining position by combining or switching between position solutions or signals derived from different satellite radio beacon positioning systems; by combining or switching between position solutions or signals derived from different modes of operation in a single system
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

The invention discloses a dual-mode Internet of things positioning system and method, which comprises the following steps: the device comprises a control circuit, a dual-mode module, a motion detection sensor, an external sensor interface, a power management module, a communication module and a power supply; the control circuit is respectively connected with the dual-mode module, the motion detection sensor, the external sensor interface, the power management module, the communication module and the power supply; the power supply is also connected with the power supply management module; the power management module is also connected with the dual-mode module and the communication module; according to the invention, through the cooperation of the dual-mode module and the communication module, when the dual-mode module cannot receive signals, the equipment can be positioned through the communication module, so that the equipment can be effectively and normally positioned when entering a non-network coverage area; meanwhile, the communication module adopts 4G and satellite communication, so that when one of the 4G or satellite communication cannot receive signals, the other equipment can normally receive and transmit the signals.

Description

Dual-mode Internet of things positioning system and method
Technical Field
The invention relates to the technical field of communication, in particular to a dual-mode Internet of things positioning system and method.
Background
Along with social development, logistics transportation is applied to various transportation carriers, and large-scale loading and unloading machinery and large-scale carrying vehicles are applied to loading, unloading, carrying and completing transportation tasks in the modern circulation field, so that a novel, high-efficiency and high-benefit transportation mode is better realized. In the transportation process, in order to ensure that goods can be tracked and monitored from time to time, the transportation device or the transported goods need to be positioned and monitored.
In the existing positioning communication technology, the CPS + CPRS, GSM and other ground base station networks are mainly adopted to realize the positioning and communication of the container at present, and as the container transportation is long-distance cargo transmission, the positioning and continuous tracking of the container can not be realized in remote regions without network coverage, such as the sea and remote regions, and sometimes even the situations of transportation loss and the like occur, so that great economic loss is caused.
In summary, in the existing container positioning communication technology, there is a technical problem that the positioning and continuous tracking of the container cannot be realized in a remote area without network coverage.
Disclosure of Invention
The invention aims to: aiming at the existing problems, a dual-mode Internet of things positioning system and a dual-mode Internet of things positioning method are provided; the invention solves the problem that the container is difficult to position and continuously track in an area without network coverage.
The technical scheme adopted by the invention is as follows:
a dual-mode Internet of things positioning system comprises: the device comprises a control circuit, a dual-mode module, a motion detection sensor, an external sensor interface, a power management module, a communication module and a power supply; the control circuit is respectively connected with the dual-mode module, the motion detection sensor, the external sensor interface, the power management module, the communication module and the power supply; the power supply is also connected with the power supply management module; the power management module is also connected with the dual-mode module and the communication module.
Further, the control circuit includes: the device comprises an electric quantity detection module and a data storage module; the electric quantity detection module is used for measuring the residual electric quantity of the power supply, and the data storage module is used for storing the internal operation data of the control circuit and the collected positioning data.
Further, the dual-mode module is a big dipper/GPS dual-mode module and is used for receiving positioning signals sent by a big dipper satellite or a GPS.
Further, the communication module includes: the 4G module and the satellite communication module; the 4G module and the satellite communication module can both perform biphase transmission of information.
Furthermore, the device also comprises an antenna module which is respectively connected with the dual-mode module and the communication module.
Further, the antenna module includes: a dual-mode antenna, a 4G antenna and a satellite antenna; the dual-mode antenna is connected with the dual-mode module, the 4G antenna is connected with the 4G module, and the satellite antenna is connected with the satellite communication module.
A dual-mode Internet of things positioning method comprises the following steps: the control circuit detects and initializes each module; the control circuit starts the motion detection sensor to perform motion sampling detection; reading and storing data sampled by a motion detection sensor and judging whether the equipment moves, if the equipment moves, starting and working a dual-mode module, if the equipment does not move, inquiring data stored in a data storage module through a control circuit, judging whether the static time reaches a threshold value, if the static time does not reach the threshold value, directly entering the dormancy of the equipment, and if the static time does not reach the threshold value, starting and working a communication module; after the dual-mode module is started, judging whether the dual-mode module has a signal or not through the control circuit, if so, reading and storing the positioning data of the dual-mode module, if not, starting the communication base station for positioning, reading and storing the data of the communication module through the control circuit, judging whether the communication module has the signal or not, if so, reading and storing the positioning data of the base station, and if not, directly entering the dormancy of the equipment; after the communication module is started, the control circuit controls the communication module to send and receive platform data and commands.
Furthermore, after the communication module is started, the control circuit reads the data of the 4G module, and judges whether the 4G module has a signal, if so, the 4G module receives and transmits the data, and if not, the satellite communication module starts to receive and transmit the data.
Further, the communication base station is a 4G base station.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention can position the equipment through the communication module when the dual-mode module can not receive signals through the cooperation of the dual-mode module and the communication module, thereby ensuring that the equipment can be effectively and normally positioned when entering a non-network coverage area.
2. The communication module of the invention adopts 4G and satellite communication, which can ensure that when one of the 4G or satellite communication can not receive signals, the other equipment can normally receive and transmit the signals.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a structural diagram of a dual-mode internet of things positioning system.
Fig. 2 is a flow chart of a dual-mode internet of things positioning method.
Wherein, 1-a control circuit; 2-a dual-mode module; 3-a communication module; 4-a motion detection sensor; 5-external sensor interface; 6-power management module; 7-a power supply; 8-an antenna module; 11-an electric quantity detection module; 12-a data storage module; a 31-4G module; 32-a satellite communication module; 81-a dual mode antenna; an 82-4G antenna; 83-satellite antenna.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Example 1
A dual-mode internet of things positioning system, as shown in fig. 1, includes: the device comprises a control circuit 1, a dual-mode module 2, a motion detection sensor 4, an external sensor interface 5, a power management module 6, a communication module 3 and a power supply 7; the control circuit 1 is respectively connected with the dual-mode module 2, the motion detection sensor 4, the external sensor interface 5, the power management module 6, the communication module 3 and the power supply 7; the power supply 7 is also connected with the power supply management module 6; the power management module 6 is also connected with the dual-mode module 2 and the communication module 3.
The control circuit 1 is used for unified management of a system, the control circuit 1 is an MCU control circuit 1, and the control circuit also comprises an electric quantity detection module 11 and a data storage module 12; the power detection module 11 is configured to measure the remaining power of the power supply 7, that is, the remaining power of the power supply 7 connected to the control circuit 1 may be detected, and the remaining power detected by the power detection module may be calculated; the data storage module 12 is configured to store the internal operation data of the control circuit 1 and the collected positioning data, that is, the control circuit 1 may store various data information received by the control circuit 1, for example, the positioning data information transmitted by the motion detection sensor 4, the dual-mode module 2, or the communication module 3, and various operation information of the control circuit 1 itself.
The dual-mode module 2 is a Beidou/GPS dual-mode module 2 and is used for receiving positioning signals sent by a Beidou satellite or a GPS, and the dual-mode module 2 can be used for simultaneously forming behavior signals sent by the Beidou satellite and the GPS, so that when one satellite signal is unstable, another satellite can normally send signals.
The communication module 3 is used for receiving and sending information of a system, and the communication module 3 comprises a 4G module 31 and a satellite communication module 32; the 4G module 31 and the satellite communication module 32 can both perform information two-phase transmission; the 4G module 31 is configured to perform data bidirectional communication and base station positioning through the operator base station, and then transmit positioning information to the control circuit 1 through the 4G module 31; the satellite communication module 32 is used for data bidirectional communication via a communication satellite.
In order to enhance the signal sensitivity and the information sending power of the dual-mode module 2 and the communication module 3, an antenna module 8 is additionally arranged in the system, and the antenna module 8 is respectively connected with the dual-mode module 2 and the communication module 3; the antenna module 8 includes a dual-mode antenna 81, a 4G antenna 82 and a satellite antenna 83, wherein the dual-mode antenna 81 is connected to the dual-mode module 2, the 4G antenna 82 is connected to the 4G module 31, and the satellite antenna 83 is connected to the satellite communication module 32, which can respectively enhance the signal sensitivity and the information transmission power of the dual-mode module 2, the 4G module 31 and the satellite communication module 32.
The motion detection sensor 4 can detect the state of the device, i.e. whether the device is in motion or stationary can be detected in real time by the motion detection sensor 4.
The external sensor interface 5 is used for accessing various required sensors to measure various data, that is, various sensors can be connected to the control circuit 1, such as a three-axis acceleration sensor, a speed sensor, a temperature sensor and the like, in addition to the motion detection sensor 4 through the external sensor interface 5. So that the control circuit 1 can determine the location of the device by more data.
The power management module 6 is configured to manage power supply to each module, and the power management module 6 includes: a dual-mode power management module 6, a satellite communication power management module 6 and a 4G power management module 6; the dual-mode power management module 6 is connected with the dual-mode module 2, the satellite communication power management module 6 is connected with the satellite communication module 32, and the 4G power management module 6 is connected with the 4G module 31; different modules can be powered through the power management module 6, so that the modules are started and work.
In practical use, the system can be applied to container transportation positioning, the system can receive positioning information of a container in real time through the dual-mode module 2, the positioning information is sent to a receiving end in real time through the communication module 3, and a user can see detailed position information at the receiving end.
In the embodiment, the dual-mode module 2 can receive the positioning information of the Beidou or the GPS in real time, so that the problem that the positioning signal is lost when one positioning satellite signal is unstable is solved; through communication module 3, can prevent when the container transportation, get into no network coverage area, the problem that can't carry out the communication, specifically be when 4G signal does not cover, can also carry out the sending of locating information through satellite communication, vice versa.
Example 2
A dual-mode internet of things positioning method, as shown in fig. 2, includes:
s1: the control circuit detects and initializes each module.
In the above steps, the control circuit starts to operate by powering on the power management module, and at this time, the module starts to be detected and initialized.
S2: the control circuit starts the motion detection sensor to carry out motion sampling detection.
In the above steps, the motion detection sensor starts to detect whether the device is in a motion state or a static state after being started, and sends the detected state information to the control circuit.
S3: the control circuit reads and stores data sampled by the motion detection sensor and determines whether the device is in motion.
In the above step, if the device is in a motion state, the dual mode module is enabled to operate through the control circuit and step S5 is executed, and if the device is not in motion, step S4 is executed.
S4: and inquiring data stored in the data storage module through the control circuit, judging whether the static time reaches a threshold value, if not, directly enabling the equipment to enter the dormancy state, and if so, enabling the communication module to start working and executing S7.
In the above steps, the data collected by the motion detection sensor can be sent to the data storage module of the control circuit, the control circuit can call data information in the data storage module in real time for analysis and judgment, and if the device is still all the time, the control circuit can call the information in the data storage module for threshold judgment.
S5: after the dual-mode module is started, the control circuit judges whether the dual-mode module has a signal, if so, the positioning data of the dual-mode module is read and stored, and then S7 is executed, and if not, S6 is executed.
In the above steps, when the control circuit judges that the dual-mode module has a signal, the control circuit reads the positioning data of the dual-mode module and starts the communication module to send the positioning data; and if no signal exists, starting the communication base station, and positioning the equipment through the communication base station.
S6: and starting communication base station positioning, reading data of the communication module through the control circuit, judging whether the communication module has a signal, reading the positioning data of the base station and storing the positioning data if the communication module has the signal, and executing S7, wherein if the communication module does not have the signal, the equipment directly enters dormancy.
In the above step, the communication base station is a 4G base station, and when the dual-mode module has no signal, the location of the device can be located through a 4G communication signal.
S7: after the communication module is started, the control circuit controls the communication module to send and receive platform data and commands.
In the above steps, after the communication module is started, the control circuit reads the data of the 4G module, and judges whether the 4G module has a signal, if so, the 4G module receives and transmits the data, and if not, the satellite communication is started to receive and transmit the data; the communication module sends and receives platform data and commands and comprises: the data read and stored by the dual-mode module, the data read and stored by the communication base station positioning data and the data which should be sent for judging whether the static time reaches the threshold value or not and the threshold value condition is reached.
According to the invention, through the cooperation of the dual-mode module and the communication module, when the dual-mode module cannot receive signals, the equipment can be positioned through the communication module, so that the equipment can be effectively and normally positioned when entering a non-network coverage area; meanwhile, the communication module adopts 4G and satellite communication, so that when one of the 4G or satellite communication cannot receive signals, the other equipment can normally receive and transmit the signals.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.

Claims (9)

1. A dual-mode Internet of things positioning system is characterized by comprising: the device comprises a control circuit (1), a dual-mode module (2), a motion detection sensor (4), an external sensor interface (5), a power management module (6), a communication module (3) and a power supply (7); the control circuit (1) is respectively connected with the dual-mode module (2), the motion detection sensor (4), the external sensor interface (5), the power management module (6), the communication module (3) and the power supply (7); the power supply (7) is also connected with the power supply management module (6); the power management module (6) is also connected with the dual-mode module (2) and the communication module (3).
2. The dual-mode internet of things positioning system of claim 1, wherein the control circuit (1) comprises: the device comprises an electric quantity detection module (11) and a data storage module (12); the electric quantity detection module (11) is used for measuring the residual electric quantity of the power supply (7), and the data storage module (12) is used for storing the internal operation data and the collected positioning data of the control circuit (1).
3. The dual-mode internet of things positioning system as claimed in claim 1, wherein the dual-mode module (2) is a big Dipper/GPS dual-mode module for receiving positioning signals sent by big Dipper satellites or GPS.
4. The dual-mode internet of things positioning system of claim 1, wherein the communication module (3) comprises: a 4G module (31) and a satellite communication module (32); the 4G module (31) and the satellite communication module (32) can both perform biphase transmission of information.
5. The dual-mode internet of things positioning system of claim 1, further comprising an antenna module (8), wherein the antenna module (8) is connected to the dual-mode module (2) and the communication module (3), respectively.
6. The dual-mode internet of things positioning system of claim 5, wherein the antenna module (8) comprises: a dual-mode antenna (81), a 4G antenna (82) and a satellite antenna (83); the dual-mode antenna (81) is connected with the dual-mode module (2), the 4G antenna (82) is connected with the 4G module (31), and the satellite antenna (83) is connected with the satellite communication module (32).
7. A dual-mode Internet of things positioning method is characterized by comprising the following steps: the control circuit detects and initializes each module; the control circuit starts the motion detection sensor to perform motion sampling detection; reading and storing data sampled by a motion detection sensor and judging whether the equipment moves, if the equipment moves, starting and working a dual-mode module, if the equipment does not move, inquiring data stored in a data storage module through a control circuit, judging whether the static time reaches a threshold value, if the static time does not reach the threshold value, directly entering the dormancy of the equipment, and if the static time does not reach the threshold value, starting and working a communication module; after the dual-mode module is started, judging whether the dual-mode module has a signal or not through the control circuit, if so, reading and storing the positioning data of the dual-mode module, if not, starting the communication base station for positioning, reading and storing the data of the communication module through the control circuit, judging whether the communication module has the signal or not, if so, reading and storing the positioning data of the base station, and if not, directly entering the dormancy of the equipment; after the communication module is started, the control circuit controls the communication module to send and receive platform data and commands.
8. The dual-mode internet of things positioning method of claim 7, wherein after the communication module is started, the control circuit reads data of the 4G module to determine whether the 4G module has a signal, if so, the 4G module receives and transmits the data, and if not, the satellite communication is started to receive and transmit the data.
9. The dual-mode internet of things positioning method of claim 7, wherein the communication base station is a 4G base station.
CN202010755935.6A 2020-07-31 2020-07-31 Dual-mode Internet of things positioning system and method Pending CN111896985A (en)

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CN110311726A (en) * 2019-07-23 2019-10-08 南京九度卫星科技研究院有限公司 Container locating and monitoring terminal based on Beidou communication
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Application publication date: 20201106