CN111601244A - Positioning terminal, positioning system and positioning method - Google Patents
Positioning terminal, positioning system and positioning method Download PDFInfo
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- CN111601244A CN111601244A CN202010268339.5A CN202010268339A CN111601244A CN 111601244 A CN111601244 A CN 111601244A CN 202010268339 A CN202010268339 A CN 202010268339A CN 111601244 A CN111601244 A CN 111601244A
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- 238000004891 communication Methods 0.000 claims abstract description 47
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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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
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/12—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are telecommunication base stations
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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
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a positioning terminal, comprising: the first positioning module comprises a GPS/BD unit and is suitable for providing the GPS/BD position information of the positioning terminal outdoors; the LoRa communication module is communicated with the first positioning module and is suitable for transmitting first positioning information by a LoRaWAN protocol, and the first positioning information comprises GPS/BD position information and LoRaID coding information special for the Lora communication module; a second positioning module comprising an RFID tag having a tag ID code specific thereto, the RFID tag adapted to provide second positioning information of the positioning terminal indoors, the second positioning information comprising RFID response information and tag ID code information; and a power module adapted to supply power to at least the first positioning module and the communication module. The invention also relates to a positioning system and a positioning method.
Description
Technical Field
Embodiments of the present invention relate to the field of positioning technologies, and in particular, to a positioning terminal, a positioning system including the positioning terminal, and a positioning method using the positioning terminal.
Background
For nuclear power engineering construction, safety management is an important measure for guaranteeing smooth completion of construction engineering and is also an important way for guaranteeing the safety of workers. As the nuclear power project is long in period, large in construction area, high in safety requirement, large in personnel number and special in buildings, the safety management of outdoor and indoor personnel is prominent.
It is necessary to perform informationized and gridded intelligent management and tracking on nuclear power engineering constructors, establish a positioning management system for construction site personnel, and strengthen the safety management on the nuclear power engineering personnel.
Disclosure of Invention
The invention is proposed for the purpose of locating and managing persons both indoors and outdoors, in particular at construction sites.
According to an aspect of an embodiment of the present invention, there is provided a positioning terminal, including:
the first positioning module comprises a GPS/BD unit and is suitable for providing the GPS/BD position information of the positioning terminal outdoors;
the LoRa communication module is communicated with the first positioning module and is suitable for transmitting first positioning information by a LoRaWAN protocol, and the first positioning information comprises GPS/BD position information and LoRaID coding information special for the Lora communication module;
a second positioning module comprising an RFID tag having a tag ID code specific thereto, the RFID tag adapted to provide second positioning information of the positioning terminal indoors, the second positioning information comprising RFID response information and tag ID code information; and
and the power supply module is suitable for supplying power to at least the first positioning module and the communication module.
Optionally, the positioning terminal further includes a processor module including a processor unit, and the first positioning module, the communication module, and the power supply module are all connected to the processor unit.
Optionally, the positioning terminal further includes a bluetooth module, the bluetooth module transmits the bluetooth module ID information outwards based on a bluetooth protocol, and the power module is adapted to supply power to the bluetooth module.
Optionally, the processor unit includes a microprocessor unit (MCU); the Bluetooth module and the processor module are integrally arranged.
Optionally, the positioning terminal further includes: the switch key is connected with the processor unit, the power supply module is suitable for supplying power to the switch key, and the switch key is used for controlling the power supply of the power supply module to other modules to be switched on and off; and/or a one-key positioning key, wherein the one-key positioning key is connected with the processor unit, the power supply module is suitable for supplying power to the one-key positioning key, and the processor unit sends the position information of the positioning terminal outwards through the communication module based on the pressing of the one-key positioning key.
Optionally, the positioning terminal further includes: and the at least one indicator light is powered by the power supply module and is used for indicating at least one of the switching state, the positioning state and the communication state of the positioning terminal.
Optionally, the RFID tag is an ultrahigh frequency RFID tag.
Optionally, the positioning terminal further includes: a near field communication unit (NFC).
Optionally, the positioning terminal is in the form of a card.
According to another aspect of an embodiment of the present invention, there is provided a positioning system including:
at least one of the positioning terminals;
a server;
the positioning terminal comprises at least one LoRa base station located outdoors, wherein a first positioning module is suitable for communicating with the corresponding LoRa base station, and the LoRa base station is suitable for transmitting LoRa information including the first positioning information to a server only under the condition that the positioning terminal is located outdoors; and
at least one RFID base station located indoors, each RFID base station having an RFID base station ID specific thereto, the RFID tag being adapted to communicate with the corresponding RFID base station, the RFID base station being adapted to transmit RFID information including the RFID base station ID and second location information to the server only if the location terminal is located indoors,
wherein: the server is configured to determine a location of the positioning terminal based on the received RFID information if the positioning terminal is indoors and based on the received LoRa information if the positioning terminal is outdoors.
Optionally, the server is an application server, and the positioning system further includes a network server, where the network server is in communication with the application server; the LoRa base station is suitable for communicating with the network server, and the network server is suitable for communicating with the application server so as to transmit the LoRa information to the application server; and the RFID base station is adapted to transmit the RFID information to the application server, wherein: and the application server determines the position of the positioning terminal based on the received LoRa information or RFID information.
Optionally, the network server includes an MQTT server.
Optionally, the positioning system further includes at least one display end, and the display end communicates with the server to display the position information of the positioning terminal and/or information related to the position information of the positioning terminal.
Optionally, the at least one RFID base station comprises a plurality of RFID base stations arranged in rooms of different floors; the display end is suitable for displaying the position of the indoor positioning terminal in a 3D form.
Optionally, the positioning terminal is provided with an electronic fence function module; the server is adapted to issue an alarm in case the location of the positioning terminal enters or exceeds an area determined by the electronic fence.
Optionally, the server determines the indoor location of the positioning terminal based on the base station ID, the tag ID code, the RFID response signal and the signal strength thereof received by the server.
According to still another aspect of an embodiment of the present invention, there is provided a positioning system including:
the system comprises an acquisition subsystem and a communication subsystem, wherein the acquisition subsystem comprises at least one positioning terminal and at least one RFID base station arranged indoors, the positioning terminal is provided with a GPS/BD module, an RFID label and a LoRa communication module, the GPS/BD module is suitable for acquiring the GPS/BD position information of the positioning terminal outdoors, the LoRa communication module is suitable for transmitting the LoRa information according to a LoRaWAN protocol, the LoRa information comprises the GPS/BD position information and LoRaID coding information special for the Lora communication module, the RFID label is suitable for acquiring the RFID information of the positioning terminal indoors, and the RFID information comprises RFID response information and label ID coding information;
and the transmission subsystem is used for receiving and transmitting the LoRa positioning information and the RFID positioning information of the positioning terminal from the acquisition subsystem.
Optionally, the positioning system further includes a processing subsystem, and the processing subsystem receives the LoRa information and the RFID information about the positioning terminal from the transmission subsystem, and analyzes and/or summarizes and/or processes the LoRa information and the RFID information.
Optionally, the positioning system further comprises a display subsystem, and the display subsystem receives and displays the positioning information about the positioning terminal processed by the processing subsystem.
According to still another aspect of the embodiments of the present invention, there is provided a positioning method, including the steps of:
providing the positioning terminal;
providing at least one LoRa base station located outdoors, wherein the corresponding first positioning module is suitable for communicating with the corresponding LoRa base station, and the LoRa base station is suitable for transmitting LoRa information including the first positioning information to a server;
providing at least one RFID base station located indoors, each RFID base station having a RFID base station ID specific thereto, the RFID tag being adapted to communicate with the corresponding RFID base station, the RFID base station being adapted to transmit RFID information comprising the RFID base station ID and second positioning information to the server;
in the case where the positioning terminal is located indoors, the position of the positioning terminal is determined based on only the RFID information, and in the case where the positioning terminal is located outdoors, the position of the positioning terminal is determined based on only the LoRa information.
Drawings
Fig. 1 is a schematic diagram of a component structure of a positioning terminal according to an exemplary embodiment of the present invention;
fig. 2 is a schematic diagram of a component structure of a positioning terminal according to an exemplary embodiment of the present invention;
fig. 3 is a schematic diagram of a component structure of a positioning terminal according to an exemplary embodiment of the present invention;
fig. 4 is a schematic diagram of a component structure of a positioning terminal according to an exemplary embodiment of the present invention;
fig. 5 is an external structural view of a positioning terminal according to an exemplary embodiment of the present invention;
FIG. 6 is an architectural diagram of a positioning system in accordance with an exemplary embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention.
An exemplary positioning terminal according to the present invention is described below with reference to fig. 1, and as shown in fig. 1, the positioning terminal 10 includes:
a first positioning module 11 including a GPS (global positioning system)/BD (Beidou system) unit and adapted to provide GPS/BD position information of the positioning terminal outdoors;
the LoRa communication module 12 is communicated with the first positioning module 11 and is suitable for transmitting first positioning information by LoRaWAN protocol, and the first positioning information comprises GPS/BD position information and LoRaID coding information which is exclusively used in the Lora communication module;
a second positioning module 13 comprising an RFID tag 13A having a tag ID code specific thereto, said RFID tag being adapted to provide second positioning information of said positioning terminal indoors, said second positioning information comprising RFID response information and tag ID code information; and
a power module 14 adapted to supply power to at least the first positioning module and the communication module.
It should be noted that although the above embodiments and the claims of the present invention list that the first positioning module includes a GPS/BD unit, the present invention is not limited to using GPS and/or BD to provide positioning information, and other positioning systems, such as LBS and a-GPS, etc., may also be used.
In the invention, LoRa is a low-power consumption local area network wireless standard, which has a longer propagation distance than other wireless modes under the same power consumption condition, thus realizing the unification of low power consumption and long distance.
RFID (Radio Frequency Identification) is a non-contact automatic Identification technology.
In the invention, the connection with the power supply module means that the power supply module supplies power, and the power can be directly supplied or indirectly supplied through other parts.
Fig. 2 schematically shows an exemplary positioning terminal according to the present invention, which differs from fig. 1 in that the positioning terminal further comprises a processor module 15 comprising a processor unit, to which the first positioning module 11, the communication module 12 and the power supply module 14 are connected.
As shown in fig. 2, the power module 14 supplies power to the first positioning module 11 and the communication module 12 via the processor module 15.
Fig. 3 illustrates an exemplary positioning terminal according to the present invention, which differs from fig. 2 in that the positioning terminal further comprises a bluetooth module 16, the bluetooth module 16 being associated with tag ID code or LoRaID code information and adapted to transmit bluetooth module ID information outwards based on a bluetooth protocol, and the power module 14 being adapted to supply power to the bluetooth module 16. Based on the tag ID code or bluetooth module ID transmitted by the bluetooth module 16, when a field manager approaches the holder of the location terminal, the identity of the holder can be known by obtaining the tag ID code or bluetooth module ID.
Fig. 4 illustrates an exemplary positioning terminal according to the present invention, which is different from fig. 3 in that a bluetooth module is integrally provided with the processor module, which may form an MCU (bluetooth module), for the arrangement of the bluetooth module.
As shown in fig. 4, the positioning terminal further comprises a key 17, two keys being shown in fig. 5. The keys 17 may include a switch key connected to the processor unit, the power module is adapted to supply power to the switch key, and the switch key is used to control the power module to switch on and off the power supply to other modules. The keys 17 may also include a one-key positioning key, the one-key positioning key is connected to the processor unit, the power module is adapted to supply power to the one-key positioning key, and the processor unit sends the position information of the positioning terminal to the outside via the communication module based on the pressing of the one-key positioning key.
As shown in fig. 4, the positioning terminal further comprises at least one indicator light 18, the indicator light 18 being shown in fig. 5. The indicator light is powered by the power module 14 for indicating at least one of a switching state, a positioning state, and a communication state of the positioning terminal.
More specifically, the positioning terminal includes two keys 70, which are a one-key positioning key and a switch key, respectively, the keys 70 are powered by the power module, wherein after the one-key positioning key is pressed, the generated electric signal is processed by the processor and then sent to the management background or the server, and the server or a background worker executes related operations to realize respective functions, and the switch key is a key for controlling the switch of the positioning terminal to control the on/off of the circuit.
More specifically, the operation of the keys is as follows: (1) starting up: pressing a switch key for about 3 seconds, after the start is successful, flashing a red light for reminding, and then flashing a blue light for connecting the base station; moreover, every 5 minutes, the positioning terminal can automatically call a GPS (Beidou) chip to perform positioning and report to the server; (2) one-key positioning: pressing a one-key positioning key for 3 seconds for a long time, lighting a green lamp of the terminal and starting positioning, lighting a blue lamp after a plurality of seconds (30 seconds at most), reporting to a server if the positioning is successful, and reporting null data if the positioning is unsuccessful; (3) when the switch key is pressed for about 5 seconds, the positioning terminal can be automatically turned off, and the red light does not flicker any more.
When the site personnel need to report the position in real time, the one-key positioning key can be pressed, the coordinates are transmitted to a management background or a server, and the background can see the specific position of the personnel in real time, so that the position of the personnel can be quickly and accurately determined.
As shown in fig. 4-5, the positioning terminal further includes an indicator light, and the indicator light is used for indicating the on-off state of the positioning terminal. When communication is needed, the lamp is blue and flickers; the green light flickers when positioning is needed; the lamp is in yellow when the electric quantity of the power supply is lower than 30% and flickers every 30 seconds, the lamp is in red when the electric quantity of the battery is lower than 10% and is in green when the battery is in red.
In addition, the personnel positioning terminal also has the function of an electronic fence, a user can self-define and divide the activity area of the positioning terminal in a server or a management background and set the electronic fence, when personnel wear the positioning terminal to enter or exceed the fence area, the management background or the server can receive corresponding alarm of entering and exiting the electronic fence, and the management background or the server can also send the alarm to the positioning terminal.
As shown in fig. 4, the positioning terminal further includes NFC19, i.e., the short-range wireless communication unit 19, which can be used as an integral part of the door access switch. NFC may not be provided in the present invention. It is noted that in the description and claims of the present invention, reference to an RFID tag does not include NFC.
As shown in fig. 5, the location terminal may be in the shape or form of a card, such as a bank card size.
In an alternative embodiment, the information sent by the first positioning module may include module ID information and GPS/BD location information specific to the first positioning module.
Based on the positioning terminal, the GPS/BD positioning function and the RFID positioning function are simultaneously included, and the communication module adopts LoRaWAN protocol to transmit the GPS/BD positioning information, so that positioning and communication can be realized outdoors in a long distance range by using LoRa technology, and positioning and communication can be realized by using RFID technology under the condition that GPS positioning cannot be acquired indoors.
FIG. 6 is an architectural diagram of a positioning system in accordance with an exemplary embodiment of the present invention. As shown in fig. 6, the positioning system includes:
at least one of the above-mentioned positioning terminals 10;
a server 20;
at least one LoRa base station 30 located outdoors, the first positioning module is suitable for communicating with the corresponding LoRa base station, and the LoRa base station is suitable for transmitting the LoRa information including the first positioning information to the server only under the condition that the positioning terminal is located outdoors; and
at least one RFID base station 40 located indoors, each RFID base station having an RFID base station ID specific thereto, the RFID tag being adapted to communicate with the corresponding RFID base station, the RFID base station being adapted to transmit RFID information including the RFID base station ID and second positioning information to the server only if the positioning terminal is located indoors,
wherein: the server is configured to determine a location of the positioning terminal based on the received RFID information if the positioning terminal is indoors and based on the received LoRa information if the positioning terminal is outdoors.
In one embodiment of the present invention, the server 20 may determine the location of the positioning terminal indoors based on the base station ID, tag ID code, and RFID response signal and its signal strength it receives.
In a more specific example, as shown in fig. 6, the server 20 is an application server, the positioning system further includes a web server 21, the web server 21 being in communication with the application server 20; the LoRa base station 30 is adapted to communicate with the web server 21, and the web server 21 is adapted to communicate with the application server 20 to transmit the LoRa information to the application server; and the RFID base station 40 is adapted to transmit said RFID information to the application server 20, wherein: the application server 20 determines the location of the positioning terminal based on the received LoRa information or RFID information.
As shown in fig. 6, the web server 21 includes an MQTT (Message Queuing Telemetry protocol) server.
As shown in fig. 6, the positioning system may further include at least one display terminal 50 that communicates with the server 20 to display the position information of the positioning terminal and/or information related to the position information of the positioning terminal. In case the RFID base station comprises a plurality of RFID base stations arranged in rooms of different floors, the display terminal is further adapted to display the position of the indoor positioning terminal in 3D. Therefore, under the condition that a plurality of layers exist in the site construction building, different positions where the positioning terminals are located can be shown in the same vertical direction, and accurate positioning of site construction personnel is facilitated.
The following describes a specific embodiment of the present invention more specifically with reference to fig. 4 and 6.
The positioning terminal 10 includes a LoRa communication module, a first positioning module (including a GPS positioning unit), and an RFID tag that is matched with an RFID base station, so that positioning information of a person can be collected in real time.
When GPS position information is transmitted via the loran communication module using the loran protocol, the loran base station 30, the web server 21, and the application server 20 are used.
As shown in fig. 6, when outdoors, coordinate information is collected by using a positioning terminal (for example, it includes a microprocessor module combined with a bluetooth module, and a GPS \ BD positioning unit), the positioning system transmits the coordinate information and the LoraID of the LoRa communication module to the LoRa base station 30 through the LoRaWAN protocol, and then releases the coordinate information and the LoraID to an MQTT server (corresponding to a network server 21) through a network server conversion protocol, and the MQTT server then returns to the application server 20 through a TCP/IP protocol in real time; when the RFID base station 40 is indoors, the RFID base station transmits specific frequency waves, when the antenna of the RFID tag in the positioning terminal is induced, the RFID base station responds after modulation and demodulation, tag ID codes and RFID response information are sent to the RFID base station, and the RFID base station 40 receives the return information and then returns the return information to the application server 20 in real time through a TCP/IP protocol.
In the application server 20, the relevant attributes and the corresponding relations may be configured, including: LoRaID, TID (Tag Identifier) of RFID Tag, building number, floor number, room number, corridor number, RFID base station ID.
The application server 20 acquires the coordinate information sent by the positioning terminal through the subscribed MQTT server, and can acquire the GPS coordinate through the GPS \ BD module outdoors. When the person is indoors (enters or moves), the RFID base station 40 senses the person by one or more RFID base stations 40, the RFID base stations 40 send related information to the application server, and the application server 20 calculates the obtained RFID base station ID, TID of the RFID tag and signal intensity to judge the indoor position (building, floor, corridor and room) of the person. When people enter the room from the outside, the GPS and LoRa signals are shielded and shielded, meanwhile, the RFID label is identified or read by the doorway RFID base station, and a signal is sent to the application server 20 for display switching; when the personnel enter the outdoor environment from the indoor environment, the LoRa signal and the GPS signal are recovered, and after receiving the signals, the LoRa base station 30 also acquires the position signal through subscription by the application server 20, so that the positioning system is automatically switched.
The positioning of outdoor personnel can be displayed in a 2D mode, and personnel coordinates are projected onto a WebGIS map of a factory area; indoor personnel positioning can be performed by 3D display, light-weight ThreeJS is adopted for 3D building loading, and personnel coordinates are calculated according to the calculation, and dynamic loading display is performed in a 3D model. The presentation can be performed on a PC or a mobile phone or a PAD.
According to the positioning system, the LoRa technology and the RFID technology are adopted, the LoRa technology is combined with the GPS positioning, the WebGIS is used for carrying out plane display (outdoor positioning) and the ThreeJS is used for carrying out 3D display (indoor positioning), switching of the operators indoors and outdoors can be automatically identified and tracked, the managers can simultaneously track a plurality of construction flows through the intelligentized, visualized and Internet-of-things informatization technologies in the engineering construction process, the simultaneous collaborative management of a plurality of works is achieved, all-around control is carried out, the management efficiency of the constructors is greatly improved, and the informatization development of the management of the constructors is effectively promoted.
Based on the above, the present invention further provides a positioning system, including:
the system comprises an acquisition subsystem and a communication subsystem, wherein the acquisition subsystem comprises at least one positioning terminal 10 and at least one RFID base station 40 arranged indoors, the positioning terminal 10 is provided with a GPS/BD module, an RFID label and a LoRa communication module, the GPS/BD module is suitable for acquiring the GPS/BD position information of the positioning terminal outdoors, the LoRa communication module is suitable for transmitting the LoRa information according to a LoRaWAN protocol, the LoRa information comprises the GPS/BD position information and LoRaID coding information special for the Lora communication module, the RFID label is suitable for acquiring the RFID information of the positioning terminal indoors, and the RFID information comprises RFID response information and label ID coding information;
and the transmission subsystem is used for receiving and transmitting the LoRa information and the RFID information about the positioning terminal from the acquisition subsystem.
The location system may further comprise a processing subsystem receiving the LoRa information and the RFID information about the location terminal from the transmission subsystem and analyzing and/or aggregating and/or processing the LoRa information and the RFID information.
The positioning system may further comprise a display subsystem receiving and displaying positioning information regarding the positioning terminal processed via the processing subsystem.
Based on the above, the invention also provides a positioning method, which comprises the following steps:
providing the above-mentioned positioning terminal 10;
providing at least one LoRa base station 30 located outdoors, the corresponding first positioning module 11 being adapted to communicate with the corresponding LoRa base station, said LoRa base station being adapted to transmit LoRa information including the above-mentioned first positioning information to the server 20;
providing at least one RFID base station 40 located indoors, each RFID base station having a RFID base station ID specific thereto, the RFID tag being adapted to communicate with the corresponding RFID base station, the RFID base station being adapted to transmit RFID information comprising the RFID base station ID and second positioning information to the server;
in the case where the positioning terminal is located indoors, the position of the positioning terminal is determined based on only the RFID information, and in the case where the positioning terminal is located outdoors, the position of the positioning terminal is determined based on only the LoRa information.
In the invention, the LoRa technology is adopted outdoors, has the advantages of long transmission distance, strong penetrating power, low cost and low power consumption, is in a free frequency band, and provides convenience for the popularization of the technology in the construction industry; and the RFID technology, particularly the ultrahigh frequency RFID technology, is adopted indoors, and is connected with a server through a local area network, so that the communication of the positioning information of the positioning terminal is realized. In the invention, switching between indoor RFID positioning and outdoor GPS positioning can be realized.
The technical scheme solves the problem of management of constructors in nuclear power construction, can visually display the positions of the constructors, the distribution of the high-risk region personnel, the in-place supervision condition of safety personnel and the like, and can realize scientific fine management for region operation and improve the working efficiency.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (21)
1. A positioning terminal, comprising:
the first positioning module comprises a GPS/BD unit and is suitable for providing the GPS/BD position information of the positioning terminal outdoors;
the LoRa communication module is communicated with the first positioning module and is suitable for transmitting first positioning information by a LoRaWAN protocol, and the first positioning information comprises GPS/BD position information and LoRaID coding information special for the Lora communication module;
a second positioning module comprising an RFID tag having a tag ID code specific thereto, the RFID tag adapted to provide second positioning information of the positioning terminal indoors, the second positioning information comprising RFID response information and tag ID code information; and
and the power supply module is suitable for supplying power to at least the first positioning module and the communication module.
2. The positioning terminal of claim 1, further comprising:
and the processor module comprises a processor unit, and the first positioning module, the communication module and the power supply module are all connected with the processor unit.
3. The positioning terminal of claim 2, further comprising:
the Bluetooth module outwards transmits Bluetooth module ID information based on a Bluetooth protocol, and the power module is suitable for supplying power to the Bluetooth module.
4. The positioning terminal of claim 3, wherein:
the processor unit comprises a microprocessor unit;
the Bluetooth module and the processor module are integrally arranged.
5. The positioning terminal of claim 2, further comprising:
the switch key is connected with the processor unit, the power supply module is suitable for supplying power to the switch key, and the switch key is used for controlling the power supply of the power supply module to other modules to be switched on and off.
6. The positioning terminal of claim 2, further comprising:
the processor unit is connected with the processor unit, the power module is suitable for supplying power to the one-key positioning key, and the processor unit sends the position information of the positioning terminal to the outside through the communication module based on the pressing of the one-key positioning key.
7. The positioning terminal of claim 1, further comprising:
and the at least one indicator light is powered by the power supply module and is used for indicating at least one of the switching state, the positioning state and the communication state of the positioning terminal.
8. The positioning terminal of claim 1, wherein:
the RFID label is an ultrahigh frequency RFID label.
9. The positioning terminal of claim 1, further comprising:
a short-range wireless communication unit.
10. The positioning terminal of claim 1, wherein:
the positioning terminal is in the form of a card.
11. A positioning system, comprising:
at least one positioning terminal according to any of claims 1-10;
a server;
the positioning terminal comprises at least one LoRa base station located outdoors, wherein a first positioning module is suitable for communicating with the corresponding LoRa base station, and the LoRa base station is suitable for transmitting LoRa information including the first positioning information to a server only under the condition that the positioning terminal is located outdoors; and
at least one RFID base station located indoors, each RFID base station having an RFID base station ID specific thereto, the RFID tag being adapted to communicate with the corresponding RFID base station, the RFID base station being adapted to transmit RFID information including the RFID base station ID and second location information to the server only if the location terminal is located indoors,
wherein: the server is configured to determine a location of the positioning terminal based on the received RFID information if the positioning terminal is indoors and based on the received LoRa information if the positioning terminal is outdoors.
12. The positioning system of claim 11, wherein:
the server is an application server, the positioning system further comprises a network server, and the network server is communicated with the application server;
the LoRa base station is suitable for communicating with the network server, and the network server is suitable for communicating with the application server so as to transmit the LoRa information to the application server; and is
The RFID base station is adapted to transmit the RFID information to the application server,
wherein:
and the application server determines the position of the positioning terminal based on the received LoRa information or RFID information.
13. The location system of claim 12, wherein:
the network server comprises an MQTT server.
14. The location system of claim 11, further comprising:
at least one display terminal, the display terminal communicates with the server to display the position information of the positioning terminal and/or information related to the position information of the positioning terminal.
15. The location system of claim 14, wherein:
the at least one RFID base station comprises a plurality of RFID base stations arranged in rooms of different floors;
the display end is suitable for displaying the position of the indoor positioning terminal in a 3D form.
16. The positioning system of claim 11, wherein:
the positioning terminal is provided with an electronic fence function module;
the server is adapted to issue an alarm in case the location of the positioning terminal enters or exceeds an area determined by the electronic fence.
17. The positioning system of claim 11, wherein:
and the server determines the indoor position of the positioning terminal based on the base station ID, the tag ID code, the RFID response signal and the signal strength thereof received by the server.
18. A positioning system, comprising:
the system comprises an acquisition subsystem and a communication subsystem, wherein the acquisition subsystem comprises at least one positioning terminal and at least one RFID base station arranged indoors, the positioning terminal is provided with a GPS/BD module, an RFID label and a LoRa communication module, the GPS/BD module is suitable for acquiring the GPS/BD position information of the positioning terminal outdoors, the LoRa communication module is suitable for transmitting the LoRa information according to a LoRaWAN protocol, the LoRa information comprises the GPS/BD position information and LoRaID coding information special for the Lora communication module, the RFID label is suitable for acquiring the RFID information of the positioning terminal indoors, and the RFID information comprises RFID response information and label ID coding information;
and the transmission subsystem is used for receiving and transmitting the LoRa information and the RFID information about the positioning terminal from the acquisition subsystem.
19. The location system of claim 18, further comprising:
and the processing subsystem receives the LoRa information and the RFID information about the positioning terminal from the transmission subsystem, and analyzes and/or summarizes and/or processes the LoRa information and the RFID information.
20. The location system of claim 19, further comprising:
a display subsystem receiving and displaying positioning information about the positioning terminal processed via the processing subsystem.
21. A method of positioning, comprising the steps of:
providing a positioning terminal according to any of claims 1-10;
providing at least one LoRa base station located outdoors, wherein the corresponding first positioning module is suitable for communicating with the corresponding LoRa base station, and the LoRa base station is suitable for transmitting LoRa information including the first positioning information to a server;
providing at least one RFID base station located indoors, each RFID base station having a RFID base station ID specific thereto, the RFID tag being adapted to communicate with the corresponding RFID base station, the RFID base station being adapted to transmit RFID information comprising the RFID base station ID and second positioning information to the server;
in the case where the positioning terminal is located indoors, the position of the positioning terminal is determined based on only the RFID information, and in the case where the positioning terminal is located outdoors, the position of the positioning terminal is determined based on only the LoRa information.
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| CN202010268339.5A CN111601244A (en) | 2020-04-08 | 2020-04-08 | Positioning terminal, positioning system and positioning method |
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| CN202010268339.5A CN111601244A (en) | 2020-04-08 | 2020-04-08 | Positioning terminal, positioning system and positioning method |
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