CN111444993A - System and method for tracking trajectory of operating personnel based on RFID technology - Google Patents
System and method for tracking trajectory of operating personnel based on RFID technology Download PDFInfo
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Abstract
The invention discloses an operator trajectory tracking system and method based on RFID technology, which comprises the following steps: the server comprises a data processing module, an equipment management module and an electronic map module, wherein the data processing module is used for receiving second positioning information of the RFID reader module, the equipment management module is used for managing attribute information of equipment, and the electronic map module is used for map management and dynamic display of personnel positions; the front-end application terminal is used for facilitating operation and processing of monitoring personnel; the positioning system comprises an RFID reader module, a positioning module and a positioning terminal, wherein the positioning terminal is worn on an operator body and used for receiving first positioning information sent by the positioning module, the RFID reader module captures second positioning information sent by the positioning terminal and sends the second positioning information to the server, so that all tracks of the operator in a monitoring area can be recorded, tracked and recalled, and full-automatic and full-coverage active monitoring is realized.
Description
Technical Field
The invention relates to the technical field of safety management, in particular to an operation staff track tracking system and method based on an RFID technology.
Background
With the development of economic technology, the supervision means of operators are increasingly diversified, and a video monitoring system is commonly used at present. However, the video monitoring system still needs a lot of human resources to monitor and call the video, and intelligent 24-hour uninterrupted coverage cannot be achieved. The RFID is commonly called as an electronic tag, is a non-contact automatic identification technology, can read data through an external material, automatically identifies a target object through a radio frequency signal and obtains related data, can work in various severe environments, can identify high-speed moving objects, and is quick and convenient to operate. The RFID-based personnel trajectory tracking method is gradually and rapidly applied and developed in the fields of logistics storage, asset management, personnel management and the like, and is greatly determined.
The existing plant area, particularly the places with high danger coefficients such as chemical plants, steel plants and the like, is very important for monitoring and managing staff in the plant area because the casualties are often serious once accidents occur. However, in the prior art, monitoring of workers in a factory area is not perfect, and monitoring of actions of the workers by the monitoring personnel is not accurate enough.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an operator trajectory tracking system based on an RFID technology, which is characterized in that an operator wears a disassembly-preventing and waterproof wrist strap containing an electronic tag, acquires positioning information when the operator carries the electronic tag and enters a positioning range of a positioning module, and sends the positioning information to a server through an RFID reader module, so that the operator can monitor and track a dynamic trajectory, and the system specifically comprises:
the server comprises a data processing module, an equipment management module and an electronic map module, wherein the data processing module is used for receiving second positioning information of the RFID reader module, the equipment management module is used for managing attribute information of equipment, and the electronic map module is used for map management and dynamic display of personnel positions;
the front-end application terminal is used for facilitating operation and processing of monitoring personnel;
the positioning system comprises an RFID reader module, a positioning module and a positioning terminal, wherein the positioning terminal is worn on an operator body and used for receiving first positioning information sent by the positioning module, and the RFID reader module captures second positioning information sent by the positioning terminal and sends the second positioning information to the server.
As a further optimization of the above scheme, the receiving, by the positioning terminal, the first positioning information sent by the positioning module specifically includes: the positioning module sends a positioning module ID to a positioning terminal within the positioning range of the positioning module;
the RFID reader module captures second positioning information sent by the positioning terminal, and the method specifically comprises the following steps: and the RFID reader module receives the positioning terminal ID and the positioning module ID which are sent by the positioning terminal in the identifiable range.
As a further optimization of the above solution, the RFID reader module is in communication with the positioning module for determining the operating state of the positioning module.
As a further optimization of the scheme, the system further comprises a video monitoring camera which is used for acquiring video image data in each area and uploading the video image data to the server.
As a further optimization of the above scheme, the device management module includes a device basic attribute unit and a device association relationship unit, the device basic attribute unit is configured to store position information and ID identifiers of the RFID reader module, the positioning module, and the video cameras, and the device association relationship unit is configured to store and manage an association relationship between IDs of all video monitoring cameras within a positioning range of the positioning module and IDs of the positioning module, and a one-to-one correspondence relationship between IDs of the positioning terminals and operators.
As a further optimization of the scheme, the server also comprises an alarm rule management module, the alarm rule management module comprises an area authority setting unit and an alarm rule unit,
the region authority setting unit is used for configuring access authorities of different regions, region stagnation time length authorities of different workers and access person number limits of different regions;
the alarm rule unit is configured with an illegal entry alarm rule, a personnel retention alarm rule, a personnel area aggregation alarm rule, an equipment abnormity alarm rule and an unauthorized exit alarm rule.
Based on the above system for tracking the trajectory of the operator based on the RFID technology, the present invention further provides a method for tracking the trajectory of the operator based on the RFID technology, including:
the method comprises the following steps that operators wear positioning terminals, and the positioning terminal of each operator is provided with a unique ID;
an operator wearing the positioning terminal enters a positioning range of the positioning module, the positioning module sends a first frequency band signal to the positioning terminal for activating the positioning terminal and sending first positioning information to the positioning terminal, and meanwhile, a heartbeat signal is sent to the RFID reader module through a second frequency band;
the positioning terminal receives the first positioning information and sends second positioning information to the RFID reader module through a second frequency band;
the RFID reader module captures second positioning information sent by the positioning terminal in an identifiable range and the working state of the positioning module, and transmits the second positioning information and the working state of the positioning module back to the server through the Ethernet;
and a data processing module of the server receives second positioning information of the RFID reader module, a calling alarm rule management module judges whether an illegal behavior occurs, if the illegal behavior is determined to occur, an alarm prompt is sent, an electronic map module is called according to the second positioning information, an electronic map displays an alarm area, and video image acquisition data of a related video camera is called according to the second positioning information.
As a further optimization of the above scheme, the violation behavior includes: illegal entry, people staying, people zone gathering, unauthorized exit, equipment anomaly.
The invention discloses an operator track tracking system and method based on RFID technology, which has the following beneficial effects:
1. according to the operation personnel track tracking system based on the RFID technology, the positioning system is arranged, when the positioning terminal enters the positioning range of the positioning module, the positioning module sends a first frequency band signal to the electronic tag, and the first frequency band signal is used for activating the positioning terminal and sending first positioning information to the positioning terminal; after receiving the first positioning information, the positioning terminal sends second positioning information to the RFID reader module through a second frequency band; the RFID reader module captures second positioning information sent by the positioning terminal in the identifiable range and the working state of the positioning module, and the second positioning information and the working state of the positioning module are transmitted back to the server through the Ethernet, so that the tracks of all the operating personnel in the monitoring area are monitored.
2. According to the RFID technology-based worker trajectory tracking system, the data processing module and the alarm rule management module are arranged in the server, so that the worker can be tracked in real time, whether the worker conducts illegal behaviors or not is judged, alarm prompt of illegal entry behaviors, personnel retention behaviors and regional gathering behaviors is conducted, video linkage alarm is conducted according to the bound camera, and dangerous behaviors are prevented.
Drawings
FIG. 1 is a block diagram of an overall structure of an RFID-based operator trajectory tracking system according to the present invention;
FIG. 2 is a block diagram of a server of an RFID-based operator trajectory tracking system according to the present invention;
FIG. 3 is a block diagram of the overall process of the method for tracking the trajectory of an operator based on RFID technology according to the present invention;
FIG. 4 is an illegal entry alarm rule processing flow of the RFID-based operator trajectory tracking system of the present invention;
FIG. 5 is a process flow of the personnel detention warning rule of the RFID technology based operator trajectory tracking system of the present invention;
Detailed Description
The following describes an operator trajectory tracking system and method based on RFID technology in detail with reference to specific embodiments.
The invention provides an operator trajectory tracking system based on an RFID technology, which comprises:
the server comprises a data processing module, an equipment management module and an electronic map module, wherein the data processing module is used for receiving second positioning information of the RFID reader module, the equipment management module is used for managing attribute information of equipment, and the electronic map module is used for map management and dynamic display of personnel positions;
the front-end application terminal is used for facilitating operation and processing of monitoring personnel;
the positioning system comprises an RFID reader module, a positioning module and a positioning terminal, wherein the positioning terminal is worn on an operator body and used for receiving first positioning information sent by the positioning module, and the RFID reader module captures second positioning information sent by the positioning terminal and sends the second positioning information to the server.
In the invention, an RFID reader module comprises an antenna, an Ethernet module, a power supply and other components, a positioning module adopts a positioner, a positioning terminal adopts a disassembly-preventing and waterproof wrist strap containing an electronic tag, when an operator carries the electronic tag into a positioning range of the positioning module, the positioning module sends a first frequency band signal to the electronic tag for activating the positioning terminal and sending first positioning information to the positioning terminal, and meanwhile, the positioning module sends a heartbeat signal to the RFID reader module through a second frequency band for determining the working state of the positioning module; after receiving the first positioning information, the positioning terminal sends second positioning information to the RFID reader module through a second frequency band; the RFID reader module captures second positioning information sent by the positioning terminal in the identifiable range and the working state of the positioning module, and the second positioning information and the working state of the positioning module are transmitted back to the server through the Ethernet, so that the tracks of all the operating personnel in the monitoring area are monitored.
In this embodiment, the first frequency band signal is a 125kHz frequency band signal, and the second frequency band signal is a 433kHz frequency band signal; the electronic tag adopts an active tag, the maximum transmission distance can reach 150m in an open environment, the battery has a duration of 3-6 months, and the battery can be charged; the transmission frequencies of the RFID reader and the electronic tag are set to be the same, and the data information of the multiple tags can be received and transmitted simultaneously through the antenna.
In order to avoid the problem of multi-tag collision and improve the success rate of tag sending, in this embodiment, an anti-collision algorithm based on random delay is adopted, and meanwhile, after being excited by a locator 125kHz, the tag sends 30 positioning data packets at a time, the interval of each positioning packet is 150ms, and after sending out 30 positioning packets, the tag sends out positioning retransmission packets at an interval of 10 s.
The electronic map module in the embodiment has the functions of adding, deleting and modifying maps and areas, and on the basis, the electronic map can dynamically display the source position of the second positioning information transmission, so that the geographic position of an operator can be dynamically displayed conveniently.
The positioning terminal receives first positioning information sent by the positioning module, and specifically comprises: the positioning module sends a positioning module ID to a positioning terminal within the positioning range of the positioning module;
the RFID reader module captures second positioning information sent by the positioning terminal, and the method specifically comprises the following steps: and the RFID reader module receives the positioning terminal ID and the positioning module ID which are sent by the positioning terminal in the identifiable range.
The RFID reader module is in communication with the positioning module for determining the operating state of the positioning module.
In this embodiment, the second positioning information sent by the positioning terminal is captured by the RFID reader module, where the second positioning information includes the ID of the electronic tag and the ID of the positioning range where the electronic tag is located, and the server may store and record the movement track of the operator carrying the electronic tag, and may determine, according to the second positioning information, whether the operator carrying the ID of the electronic tag has permission to enter the positioning range, and the dead time in the positioning range. Meanwhile, the positioning module sends a heartbeat signal to the RFID reader module through the second frequency band, the RFID reader module sends the received heartbeat signal to the server, and the data processing module of the server receives the heartbeat signal and judges whether the positioning module is in a normal use state or not.
The system also comprises a video monitoring camera which is used for collecting video image data in each area and uploading the video image data to the server.
In addition, in the embodiment, an association relationship is set between IDs of all video monitoring cameras in the same positioning range of the positioning module and the positioning module ID, and when the data processing module determines that an alarm prompt occurs according to received second positioning information, the data processing module can acquire video data acquired by all video monitoring cameras in the positioning range according to the positioning module ID in the second positioning information and displays the video data.
The equipment management module comprises an equipment basic attribute unit and an equipment incidence relation unit, wherein the equipment basic attribute unit is used for storing the position information and the ID identification of the RFID reader module, the positioning module and the video camera, and the equipment incidence relation unit is used for storing and managing the incidence relation between the IDs of all the video monitoring cameras in the positioning range of the positioning module and the IDs of the positioning module and the one-to-one corresponding relation between the IDs of the positioning terminals and the operators.
And setting a positioning terminal to correspond to the operating personnel one by one, and correspondingly associating the ID of the positioning module and the ID of the video monitoring camera with the same area. When the positioning terminal is carried by an operator to enter the positioning range of the positioning module, the positioning terminal is excited by the 125kHz frequency band of the positioning module, and second positioning information is sent to the RFID reader module through the 433MHz frequency band, so that the position of a binding person of the positioning terminal is determined.
The server also comprises an alarm rule management module, wherein the alarm rule management module comprises a region authority setting unit and an alarm rule unit, and the region authority setting unit is used for configuring the access authorities of different regions, the region stagnation time authority of different workers and the number limit of the access persons of different regions; the alarm rule unit is configured with an illegal entry alarm rule, a personnel retention alarm rule, a personnel area aggregation alarm rule, an unauthorized exit alarm rule and an equipment abnormity alarm rule.
Illegal entry warning rule: according to the received positioning terminal ID and the positioning module ID of the second positioning information, and by combining with the access authority setting information of the area stored in the area authority setting unit, judging whether the positioning terminal ID has the authority to enter the positioning range of the positioning module ID, and if not, sending an alarm prompt;
and (3) personnel retention alarm rules: when receiving second positioning information, judging whether the area has residence time setting according to the positioning module ID, if so, counting the receiving time of the second positioning information, judging whether the positioning range of the same positioning terminal ID is changed after the set residence time, and if not, sending out personnel residence warning prompt information;
personnel area aggregation alarm rules: and when the second positioning information is received, counting the positioning terminal ID and the positioning module ID in the second positioning information, and sending personnel area gathering alarm prompt information when the number of the positioning terminal IDs in the same positioning module ID positioning range reaches the maximum number of people entering the positioning module ID positioning range.
In this embodiment, the server is further provided with system permission information for setting different operation permissions of different login users, and the electronic map module can perform map and area addition, deletion and modification functions according to the permissions, and add, delete and modify area entry permissions to the area permission setting unit.
Based on the above-mentioned system for tracking the trajectory of the operator based on the RFID technology, the present invention further provides a method for tracking the trajectory of the operator based on the RFID technology, which comprises the following steps:
the method comprises the following steps that operators wear positioning terminals, and the positioning terminal of each operator is provided with a unique ID;
an operator wearing the positioning terminal enters a positioning range of the positioning module, the positioning module sends a first frequency band signal to the positioning terminal for activating the positioning terminal and sending first positioning information to the positioning terminal, and meanwhile, a heartbeat signal is sent to the RFID reader module through a second frequency band;
the positioning terminal receives the first positioning information and sends second positioning information to the RFID reader module through a second frequency band;
the RFID reader module captures second positioning information sent by the positioning terminal in an identifiable range and the working state of the positioning module, and transmits the second positioning information and the working state of the positioning module back to the server through the Ethernet;
and a data processing module of the server receives second positioning information of the RFID reader module, a calling alarm rule management module judges whether an illegal behavior occurs, if the illegal behavior is determined to occur, an alarm prompt is sent, an electronic map module is called according to the second positioning information, an electronic map displays an alarm area, and video image acquisition data of a related video camera is called according to the second positioning information.
Wherein, the violation behaviors include: illegal entry, people retention, people zone gathering, unauthorized exit, equipment anomaly
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (8)
1. An operation personnel trajectory tracking system based on RFID technique which characterized in that: the method comprises the following steps:
the server comprises a data processing module, an equipment management module and an electronic map module, wherein the data processing module is used for receiving second positioning information of the RFID reader module, the equipment management module is used for managing attribute information of equipment, and the electronic map module is used for map management and dynamic display of personnel positions;
the front-end application terminal is used for facilitating operation and processing of monitoring personnel;
the positioning system comprises an RFID reader module, a positioning module and a positioning terminal, wherein the positioning terminal is worn on an operator body and used for receiving first positioning information sent by the positioning module, and the RFID reader module captures second positioning information sent by the positioning terminal and sends the second positioning information to the server.
2. The RFID-technology-based worker trajectory tracking system of claim 1, wherein:
the positioning terminal receives first positioning information sent by the positioning module, and specifically comprises: the positioning module sends a positioning module ID to a positioning terminal within the positioning range of the positioning module;
the RFID reader module captures second positioning information sent by the positioning terminal, and the method specifically comprises the following steps: and the RFID reader module receives the positioning terminal ID and the positioning module ID which are sent by the positioning terminal in the identifiable range.
3. An RFID technology based worker trajectory tracking system as claimed in claim 2, wherein: the RFID reader module is communicated with the positioning module and used for determining the working state of the positioning module.
4. The RFID-technology-based worker trajectory tracking system of claim 1, wherein: the system also comprises a video monitoring camera which is used for collecting video image data in each area and uploading the video image data to the server.
5. An RFID technology based worker trajectory tracking system as claimed in claim 4, wherein: the device management module comprises a device basic attribute unit and a device incidence relation unit, wherein the device basic attribute unit is used for storing the position information and the ID identification of the RFID reader module, the positioning module and the video camera, and the device incidence relation unit is used for storing and managing the incidence relation between the IDs of all the video monitoring cameras in the positioning range of the positioning module and the IDs of the positioning module and the one-to-one corresponding relation between the IDs of the positioning terminals and the operating personnel.
6. The RFID-technology-based worker trajectory tracking system of claim 1, wherein:
the server also comprises an alarm rule management module which comprises a region authority setting unit and an alarm rule unit,
the region authority setting unit is used for configuring access authorities of different regions, region stagnation time length authorities of different workers and access person number limits of different regions;
the alarm rule unit is configured with an illegal entry alarm rule, a personnel retention alarm rule, a personnel area aggregation alarm rule, an equipment abnormity alarm rule and an unauthorized exit alarm rule.
7. An operator trajectory tracking method based on an RFID technology is characterized in that: the method comprises the following steps:
the method comprises the following steps that operators wear positioning terminals, and the positioning terminal of each operator is provided with a unique ID;
an operator wearing the positioning terminal enters a positioning range of the positioning module, the positioning module sends a first frequency band signal to the positioning terminal for activating the positioning terminal and sending first positioning information to the positioning terminal, and meanwhile, a heartbeat signal is sent to the RFID reader module through a second frequency band;
the positioning terminal receives the first positioning information and sends second positioning information to the RFID reader module through a second frequency band;
the RFID reader module captures second positioning information sent by the positioning terminal in an identifiable range and the working state of the positioning module, and transmits the second positioning information and the working state of the positioning module back to the server through the Ethernet;
and a data processing module of the server receives second positioning information of the RFID reader module, a calling alarm rule management module judges whether an illegal behavior occurs, if the illegal behavior is determined to occur, an alarm prompt is sent, an electronic map module is called according to the second positioning information, an electronic map displays an alarm area, and video image acquisition data of a related video camera is called according to the second positioning information.
8. The method for tracking the trajectory of the operator based on the RFID technology as claimed in claim 7, wherein: the violation behavior includes: illegal entry, people staying, people zone gathering, unauthorized exit, equipment anomaly.
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| CN113822472A (en) * | 2021-09-03 | 2021-12-21 | 杭州拼便宜网络科技有限公司 | Intelligent warehouse management method based on Internet of things |
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