Personnel positioning system based on factory management
Through a factory management system based on cameras and distributed sensing networks, combined with work shoes and RFID technology, meter-level positioning and intelligent management of employees are achieved, solving the problems of low traditional positioning accuracy and insufficient management efficiency, optimizing production scheduling and reducing management costs.
Patent Information
- Application Number
- CN202510773690.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-11
- Publication Date
- 2025-09-19
AI Technical Summary
Traditional personnel management methods have problems such as low positioning accuracy, poor real-time performance, and insufficient management efficiency. Existing IoT positioning technology has high deployment costs, signals are easily interfered with, and it is difficult to cover complex environments. It also lacks in-depth mining of employee behavior data.
Using cameras, storage, management systems and displays, combined with work shoes with auxiliary positioning devices and distributed sensing networks, meter-level positioning accuracy can be achieved through shoe-mounted tags and RFID readers. Machine learning is used to analyze employee movement trajectories, and electronic fences and broadcast systems are set up for intelligent management.
It achieves accurate real-time positioning of employees, optimizes production scheduling, reduces ineffective movement, lowers management costs, eliminates accidents and detentions, and improves management efficiency.
Smart Images
Figure CN120673444A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of factory management, and in particular to a personnel positioning system based on factory management. Background Art
[0002] Traditional personnel management methods rely primarily on manual inspections, clock-in check-ins, or RFID-based access control systems. However, these methods suffer from low positioning accuracy, poor real-time performance, and inefficient management. For example, RFID technology can typically only achieve coarse-grained positioning at the regional level and cannot accurately track the movement paths of personnel. While video surveillance can provide visual information, it is limited by factors such as blind spots and lighting conditions, making it difficult to achieve efficient, all-weather personnel positioning management.
[0003] In recent years, IoT-based positioning technologies, such as ultra-wideband, Bluetooth beacons, and ZigBee, have been gradually applied to industrial scenarios. These technologies can improve positioning accuracy to a certain extent. However, these solutions have limitations such as high deployment costs, signals that are susceptible to interference, and difficulty in covering complex environments. In addition, there is a lack of in-depth mining of employee behavior data. Therefore, it is necessary to design a personnel positioning system based on factory management to achieve accurate real-time positioning of employees and intelligently analyze their historical movement paths, thereby optimizing production scheduling and reducing personnel management costs. Summary of the Invention
[0004] In order to overcome the shortcomings of the prior art, the present invention provides a personnel positioning system based on factory management, including a camera, a memory, a management system and a display, as well as an auxiliary positioning device that assists the camera in capturing personnel positioning information. The original audio and video data captured by the camera is stored in the memory, and the picture is scheduled to the display through the management system. The auxiliary positioning device includes work shoes, and shoe tags embedded in the heels of the work shoes, and a distributed sensing network for sensing the shoe tags, and a shoe cabinet terminal for detecting the status of the work shoes in place. Each shoe tag is provided with a unique number. The distributed sensing network is a reading module distributed in an array indoors and outdoors. The management system receives the tag signal through the reading module and calculates the personnel position coordinates, and generates an optimization plan for the personnel movement path. The shoe cabinet terminal is provided with a scanning module for sensing the corresponding numbered work shoes. The management system detects the status of the work shoes in place through the scanning module and generates off-duty data.
[0005] By adopting the above technical solution, the distributed sensing network and the shoe-mounted tags are precisely coordinated to achieve meter-level positioning accuracy for workers. Based on the machine learning algorithm to analyze the historical movement trajectory, the travel routes of employees and feeder vehicles are intelligently optimized, the invalid movement distance is reduced and the work efficiency is improved. According to the length of time employees stay in each area, intelligent adjustments are made, such as adjusting the location distribution of water and food collection points, staggering meal times, etc., which effectively reduces the phenomenon of employees running around the factory due to time pressure and prevents accidents caused by running. Intelligent clearance management is realized through the scanning module, and the broadcasting system is linked to broadcast warnings to avoid employees being stranded in the factory, realizing an intelligent transformation of the management model and reducing personnel management costs.
[0006] As a preferred solution of the present invention, the management system forms an electronic fence according to the work area through a distributed sensing network, and distinguishes them with different color blocks in the electronic map of the management system. The work area includes administrative area, warehouse area, assembly area, special welding area and quality inspection area, etc. If an employee illegally stays in an area that is not his or her job area, a warning will be broadcast and a warning message will be pushed to the person in charge of the area.
[0007] By adopting the above technical solution, the administrative area, warehouse area, assembly area, special welding area and quality inspection area are arranged as blue, yellow, green, red and purple areas respectively in the electronic map of the management system. Among them, the red area has the highest restriction level. The efficiency of regional management and control is improved through the electronic fence system. The management system’s specially designed visual interface and graded warning mechanism prevent new employees from running around and employees of different trades from running into different areas, effectively reducing the labor cost of safety management.
[0008] As a preferred solution of the present invention, the shoe-mounted tag includes a ceramic substrate and a metal layer attached to the surface of the ceramic substrate, and the metal layer is etched with a dipole antenna circuit.
[0009] Using the above technical solution, RFID sensing tags are embedded in the soles of work shoes. They do not require battery power and are activated by the radio frequency energy of the reader. The service life is more than 2 years, and the work shoes should be replaced every two years. Work shoes meet the needs of both protection and signal sensing. Compared with RFID sensing tags placed in wristbands and work hats, work shoes are essential labor protection products and the shoe sizes are fixed. Employees must wear them when working, and there will be no mistake.
[0010] As a preferred solution of the present invention, the reading module is an RFID reader / writer, which is pre-buried in the ground in a rectangular array. The management system receives the shoe tag signal through the RFID reader / writer to achieve coarse positioning, and achieves gait trajectory compensation by analyzing the signal positioning.
[0011] Furthermore, the RFID readers are deployed at a spacing of 15m in indoor corridors and in a 30X30m matrix outdoors. In private areas such as toilets and changing rooms, they are only deployed at entrances and exits, and the corresponding timestamps are recorded.
[0012] Using the above technical solution, the indoor corridor adopts a 15m equidistant cellular layout, combined with routers to achieve full signal coverage. The outdoor area is deployed in a 30×30m matrix grid. Each node is equipped with an IP67 protection grade RFID reader. The RFID tags of work shoes and the pre-buried RFID reader array on the ground form a communication system. RSSI field strength ranging and phase differential positioning technology are used to achieve meter-level static positioning accuracy. Directional RFID readers are set at the entrances and exits of privacy areas, and only the entrance and exit timestamp data is collected to facilitate area managers to find the corresponding employees.
[0013] As a preferred solution of the present invention, the scanning module is an RFID multi-frequency scanner, which accurately identifies the number of the corresponding work shoes. The management system identifies the number and generates the corresponding employee on-site / off-site status data.
[0014] Furthermore, the management system sets a clearing time, scans and locks the ID of stranded personnel through an RFID multi-frequency scanner, uses a camera in conjunction with an RFID reader to find stranded employees and uses broadcasting to remind them.
[0015] Using the above technical solution, RFID multi-frequency scanners are installed in the shoe cabinets of multiple shoe-changing areas. After the set clearing time is reached, the management system uses the RFID multi-frequency scanner to identify the number. The system can accurately locate the position of stranded employees and automatically broadcast reminders through the broadcasting system, realizing efficient and automated personnel clearance management and significantly reducing the cost of manual investigation.
[0016] The embodiments of the present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the framework structure of the present invention;
[0018] In the figure: 100-camera, 200-memory, 300-management system, 400-display, 500-auxiliary positioning device, 501-work shoes, 502-shoe tag, 503-distributed sensing network, 504-shoe cabinet terminal; DETAILED DESCRIPTION
[0019] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present disclosure.
[0020] like Figure 1 As shown, this embodiment provides a personnel positioning system based on factory management, including a camera 100, a memory 200, a management system 300 and a display 400, as well as an auxiliary positioning device 500 for assisting the camera 100 in capturing personnel positioning information. The original audio and video data captured by the camera 100 is stored in the memory 200, and the picture is dispatched to the display 400 through the management system 300. The auxiliary positioning device 500 includes a work shoe 501, a shoe tag 502 embedded in the heel of the work shoe 501, and a distributed sensing network 503 for sensing the shoe tag 502, and a shoe cabinet terminal 504 for detecting the presence status of the work shoe 501. Each shoe tag 502 is provided with a unique number. The distributed sensing network 503 is a reading module distributed in an array indoors and outdoors. The management system 300 receives the tag signal through the reading module and calculates the personnel position coordinates, and generates an optimization plan for the personnel movement path. The shoe cabinet terminal 504 is provided with a scanning module for sensing the corresponding numbered work shoe 501. The management system 300 detects the presence status of the work shoe 501 through the scanning module and generates off-duty data.
[0021] In the present invention, through the precise coordination of the distributed sensing network 503 and the shoe-mounted tag 502, the meter-level positioning accuracy of the staff is achieved. The historical movement trajectory is analyzed based on the machine learning algorithm, and the travel routes of the employees and the feeding vehicle are intelligently optimized, the invalid movement distance is reduced and the working efficiency is improved. According to the length of time that employees stay in each area, intelligent adjustments are made, such as adjusting the location distribution of water and meal collection points, staggering meal times, etc., which effectively reduces the phenomenon of employees running in the factory due to time pressure and prevents accidents caused by running. Intelligent site clearance management is realized through the scanning module, and the broadcasting system is linked to broadcast warnings to avoid employees being stranded in the factory, realizing the transformation of management mode and reducing personnel management costs.
[0022] In this embodiment, the management system 300 forms an electronic fence according to the work area through the distributed sensing network 503, and is distinguished by different color blocks in the electronic map of the management system 300. The work area includes administrative area, warehouse area, assembly area, special welding area and quality inspection area, etc. If an employee illegally stays in an area that does not belong to his or her work type, a warning will be broadcast and a warning message will be pushed to the person in charge of the area. The electronic map of the management system 300 arranges the administrative area, warehouse area, assembly area, special welding area and quality inspection area as blue, yellow, green, red and purple areas respectively, among which the red area has the highest restriction level. The efficiency of regional management and control is improved through the electronic fence system. The specially designed visual interface and graded warning mechanism of the management system 300 prevent new employees from running around and employees of different work types from running into other areas, effectively reducing the manpower cost of safety management.
[0023] In this embodiment, the shoe-mounted tag 502 includes a ceramic substrate and a metal layer attached to the surface of the ceramic substrate. The metal layer is etched with a dipole antenna circuit. The dipole antenna circuit of the shoe-mounted tag 502 is installed face down on the work shoe 501. The RFID sensing tag is vulcanized and embedded in the sole of the work shoe 501. It does not require battery power and is activated by the radio frequency energy of the reader. The service life is more than 2 years. The work shoe 501 is replaced every two years. The work shoe 501 meets the needs of both protection and signal sensing. Compared with RFID sensing tags placed in bracelets and work hats, work shoes 501 are essential labor protection products and the shoe sizes are fixed. Employees must wear them on the job and will not wear them incorrectly.
[0024] In this embodiment, the reading module is an RFID reader / writer, which is pre-buried in the ground in a rectangular array. The management system 300 receives the shoe tag 502 signal through the RFID reader / writer to achieve coarse positioning, and realizes gait trajectory compensation by analyzing the signal positioning. The RFID readers are deployed at a spacing of 15m in indoor corridors and in a 30X30m matrix outdoors. They are only deployed at the entrances and exits of private areas such as toilets and changing rooms, and the corresponding timestamps are recorded. The indoor corridor adopts a 15m equidistant cellular layout and cooperates with routers to achieve full signal coverage. The outdoor area is deployed in a 30×30m matrix grid. Each node is equipped with an IP67 protection grade RFID reader / writer. The RFID tag of the work shoe 501 and the pre-buried RFID reader / writer array on the ground constitute a communication system. The RSSI field strength ranging and phase differential positioning technology are used to achieve meter-level static positioning accuracy. Directional RFID readers are set at the entrances and exits of private areas to collect only entrance and exit timestamp data to facilitate area managers to find corresponding employees.
[0025] In this embodiment, the scanning module is an RFID multi-frequency scanner, which accurately identifies the number of the corresponding work shoes 501. The management system 300 identifies the number and generates the corresponding employee's on-site / off-site status data. The management system 300 sets the clearing time, scans and locks the ID of the stranded personnel through the RFID multi-frequency scanner, and uses the camera 100 to cooperate with the RFID reader to find the stranded employees and remind them by broadcasting. RFID multi-frequency scanners are set in the shoe cabinets of multiple shoe-changing areas. After the set clearing time is reached, the management system 300 identifies the number through the RFID multi-frequency scanner. The system can accurately locate the position of the stranded employee and automatically broadcast reminders through the broadcasting system, thereby realizing efficient and automated personnel clearance management and significantly reducing the cost of manual investigation.
[0026] The above embodiments are only for illustrating the present invention and are not intended to limit the present invention. Those skilled in the art may make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also fall within the scope of protection of the present invention, and the scope of protection of the present invention should be defined by the claims.
Claims
1. A personnel positioning system based on factory management, comprising a camera, a memory, a management system, a display, and an auxiliary positioning device that assists the camera in capturing personnel positioning information. The original audio and video data captured by the camera is stored in the memory, and the images are dispatched to the display through the management system. The system is characterized in that: The auxiliary positioning device includes work shoes, shoe tags embedded in the heels of the work shoes, a distributed sensing network for sensing the shoe tags, and a shoe cabinet terminal for detecting the presence status of the work shoes. Each shoe tag is provided with a unique number. The distributed sensing network is a reading module distributed in an array indoors and outdoors. The management system receives the tag signal through the reading module and calculates the position coordinates of the personnel, and generates an optimization plan for the personnel movement path. The shoe cabinet terminal is provided with a scanning module for sensing the work shoes with corresponding numbers. The management system detects the presence status of the work shoes through the scanning module and generates off-duty data.
2. A personnel positioning system based on factory management according to claim 1, characterized in that: The management system forms an electronic fence based on the work area through a distributed sensing network, and distinguishes them with different color blocks in the electronic map of the management system. The work areas include administrative areas, warehouse areas, assembly areas, special welding areas and quality inspection areas, etc. If an employee illegally stays in an area that is not his or her job area, a warning will be broadcast and a warning message will be pushed to the person in charge of the area.
3. The personnel positioning system based on factory management according to claim 1, characterized in that: The shoe-mounted tag includes a ceramic substrate and a metal layer attached to the surface of the ceramic substrate, wherein a dipole antenna circuit is etched on the metal layer.
4. The personnel positioning system based on factory management according to claim 3, characterized in that: The reading module is an RFID reader / writer, which is pre-buried in the ground in a rectangular array. The management system receives the shoe tag signal through the RFID reader / writer to achieve coarse positioning, and realizes gait trajectory compensation by analyzing the signal positioning.
5. The personnel positioning system based on factory management according to claim 4, characterized in that: The RFID readers are deployed at a spacing of 15m in indoor corridors and in a 30X30m matrix outdoors. They are only deployed at entrances and exits in private areas such as toilets and changing rooms, and record corresponding timestamps.
6. The personnel positioning system based on factory management according to claim 1, characterized in that: The scanning module is an RFID multi-frequency scanner, which accurately identifies the number of the corresponding work shoes. The management system identifies the number and generates the corresponding employee's on-site / off-site status data.
7. The personnel positioning system based on factory management according to claim 6, characterized in that: The management system sets a clearing time, scans and locks the ID of stranded personnel through an RFID multi-frequency scanner, uses a camera and an RFID reader to find stranded employees and reminds them through broadcasting.