A work area active-passive real-time protection method and system

Abstract

The present application relates to a kind of work area active real-time protection method and system, belong to work area safety protection field.The method: when carrying tool hits flexible anti-collision structure, the sensing unit installed in its interior senses deformation and generates trigger signal;Regional alarm controller receives signal and carries out threshold and time window dual logic judgment, determine as effective impact event after driving on-site sound and light alarm, simultaneously with alarm information upload to background management platform;Background management platform is according to alarm information linkage video monitoring system call incident area real-time video, record alarm event and the video clip before and after alarm time is associated with alarm record storage, and start emergency plan.Through the sensing unit is installed in flexible structure, realize zero interference, reliable perception of damage resistance, in combination with threshold judgment and video linkage, realize zero false alarm, millisecond level response and alarm video space-time synchronization, improve the intelligent level of work area safety management and accident trace efficiency.

Description

Technical Field

[0001] This invention relates to the field of work area safety protection technology, specifically to a method and system for active and passive real-time protection of work areas. Background Technology

[0002] In complex operating environments such as factories, logistics parks, transportation hubs, and docks, forklifts, AGVs, and freight vehicles frequently move between locations. Collisions due to blind spots, operational errors, or environmental complexity are common, causing not only equipment damage and material loss but also potential injuries and production interruptions. To mitigate collision risks, traditional protective measures primarily employ physical isolation methods, such as installing crash barriers, guardrails, and cushioning pads—passive protective facilities that rely on the structural strength and elasticity to absorb impact energy. However, these passive protection solutions only provide cushioning after a collision occurs; they cannot provide real-time warnings and rapid response immediately after the impact. Accident detection often relies on manual inspections or post-incident investigations, leading to delayed responses, increased losses, and a lack of effective video recording methods, making it difficult to trace responsibility for accidents.

[0003] With the development of the Internet of Things (IoT) and sensing technology, some basic active early warning solutions have emerged on the market, such as those using infrared beams, radar detection, or electronic fences to issue alarms when vehicles approach protected areas. However, these solutions have significant drawbacks: sensors are mostly externally mounted, exposed to harsh working environments, making them susceptible to impact damage, dust interference, or rain erosion, resulting in poor reliability; their detection principle is based on "approach" rather than actual "impact," easily generating numerous false alarms due to factors such as flying insects, fallen leaves, and people passing by, causing on-site personnel to become desensitized to the alarm signals and rendering them meaningless; at the same time, these solutions typically only have background alarms or simple buzzers, lacking deep integration with video surveillance systems, unable to automatically acquire real-time footage at the time of an alarm, and post-event tracing still relies on manual review of recordings, resulting in a disconnect between alarm and video data, making it difficult to form an effective closed-loop management system.

[0004] In view of this, how to overcome the shortcomings of existing technologies and provide a real-time active and passive protection system and method for work areas that can realize real-time perception of impact, on-site audio and visual warning, background video linkage and post-event traceability is a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] In order to solve the problems of the prior art, the present invention provides a method and system for active and passive real-time protection of work areas.

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: Firstly, a method for active and passive real-time protection of a work area, comprising the following steps: When a vehicle collides with a flexible anti-collision structure set up in the work area's protective zone, an embedded detection unit installed inside the flexible anti-collision structure senses the deformation caused by the impact and generates a trigger signal. The area alarm controller receives the trigger signal, performs logical judgment on the trigger signal, and if it is determined to be a valid impact event, it outputs an alarm drive signal. The on-site alarm unit receives the alarm drive signal and issues an audible and visual alarm; The area alarm controller uploads alarm information, including the location and time of the incident, to the backend management platform; The back-end management platform, based on the alarm information, will link with the video surveillance system to call up real-time video of the incident area; The backend management platform records alarm events and associates and stores video clips before and after the alarm time with the alarm records. The back-end management platform activates emergency plans based on police information, including but not limited to triggering voice broadcasts or traffic control signals.

[0007] In one specific implementation of the first aspect, the logical judgment includes: comparing the signal amplitude collected by the embedded detection unit with a preset threshold; if the amplitude exceeds the threshold and the duration exceeds a preset time window, it is determined to be a valid impact event; through the dual judgment of threshold and time window, false alarm signals caused by vehicle vibration, personnel touch or environmental interference are effectively filtered out, ensuring that the system only triggers the alarm when an actual impact occurs, and achieving a zero false alarm rate.

[0008] In one specific implementation of the first aspect, the linkage video surveillance system calls real-time video of the incident area, which includes: the background management platform sending a preset position call instruction to a network PTZ camera with preset position function according to the location of the incident area, controlling the PTZ camera to rotate to the preset coordinates and lock the incident area; realizing millisecond-level linkage between alarm events and video surveillance, and automatically acquiring real-time images of the incident area without manual intervention, thus solving the data silo problem of "no video for alarms and no alarm for videos" in traditional security systems.

[0009] Secondly, a real-time active and passive protection system for work areas includes: A flexible anti-collision structure is installed in the protected area of ​​the work area to deform upon impact. An embedded detection unit is pre-embedded or embedded inside the flexible anti-collision structure to sense deformation caused by impact and generate a trigger signal. The area alarm controller is communicatively connected to the embedded detection unit. It is used to receive the trigger signal and perform logical judgment. After determining that it is a valid impact event, it outputs an alarm drive signal and uploads the alarm information. The on-site alarm unit is connected to the area alarm controller and emits an audible and visual alarm after receiving the alarm drive signal. The back-end management platform is communicatively connected to the area alarm controller and receives the alarm information; The video surveillance system is connected to the back-end management platform and, under the control of the back-end management platform, can call up real-time video of the incident area in conjunction with the alarm information. The back-end management platform is also used to record alarm events and associate and store video clips before and after the alarm time with the alarm records. The back-end management platform also includes an emergency plan execution module, which is used to trigger associated emergency equipment after receiving alarm information.

[0010] In one specific embodiment of the second aspect, the embedded detection unit includes a vibration sensor and / or a deformation sensor, which is encapsulated in a waterproof and dustproof housing and pre-embedded in the stress concentration area of ​​the flexible anti-collision structure through an integrated molding process; the sensor is installed inside the flexible material, which not only avoids the problem of exposed installation being easily damaged by impact, but also realizes the direct sensing of impact deformation, and at the same time has natural vibration resistance, dustproof and waterproof capabilities, perfectly adapting to the harsh working environment with forklift traffic and a lot of dust.

[0011] In one specific embodiment of the second aspect, the flexible anti-collision structure is a column-type or guardrail-type structure made of high-polymer elastic material, with signal transmission cables pre-embedded inside. One end of the cable is connected to an embedded detection unit, and the other end is led out to a waterproof connector for connection to the area alarm controller. The use of high-polymer elastic material not only gives full play to the passive protection advantage of absorbing impact energy, but also achieves concealed protection of electrical connections through the pre-embedded cables, avoiding exposed cables from aging or being damaged, and improving system reliability.

[0012] In one specific embodiment of the second aspect, the area alarm controller includes a signal acquisition interface, a microcontroller, a relay output interface, and a communication module. The microcontroller has a built-in threshold comparison program for comparing the acquired signal with a preset threshold. If the threshold is exceeded and the duration exceeds a preset time, it is determined to be a valid impact event. The microcontroller then drives the on-site alarm unit through the relay output interface and uploads the alarm information to the backend management platform through the communication module. As an edge computing node, the area alarm controller completes signal acquisition, logic judgment, and alarm driving on-site, achieving millisecond-level response. At the same time, it only uploads valid alarm information, reducing the processing burden on the backend.

[0013] In one specific embodiment of the second aspect, the on-site alarm unit includes a high-brightness LED light and a buzzer, which are integrated and installed in the top cap of the flexible anti-collision structure and have an IP67 or higher waterproof and dustproof rating; the sound and light alarm is integrated into the top of the column, which not only realizes on-site instant warning but also saves installation space, and the industrial-grade protective design ensures long-term stable operation in harsh environments such as dust and humidity.

[0014] In one specific embodiment of the second aspect, the video surveillance system includes at least one network PTZ camera, which has a preset position function; the back-end management platform includes a video linkage module, which, upon receiving alarm information, calls the preset position of the corresponding PTZ camera according to the location of the incident area, controls the PTZ camera to rotate and zoom to lock onto the incident area; through the preset position call, the alarm point and the camera are accurately matched, and the PTZ camera automatically turns and zooms to lock onto the incident area, ensuring that the back-end management personnel obtain clear images of the accident scene as soon as possible.

[0015] In one specific implementation of the second aspect, the area alarm controller is connected to the embedded detection unit via a wired connection, and to the back-end management platform via a wired or wireless network connection. The wired connection at the site ensures the stability and real-time performance of signal transmission, while the back-end adopts a flexible wired / wireless networking method to adapt to the network conditions of different work areas and support rapid deployment.

[0016] The beneficial effects of this invention are as follows: 1. By encapsulating vibration and / or deformation sensors within a waterproof and dustproof housing and embedding them in the stress-concentrated areas of a flexible anti-collision structure using an integrated molding process, the sensors are completely hidden within the polymer elastic material, achieving the dual technical effects of "zero interference" and "damage resistance." On one hand, the sensors are installed inside the flexible material, without altering the original shape and mechanical properties of the flexible anti-collision structure. This does not affect the passive protection function of the polymer material in absorbing impact energy, nor does it introduce new collision risks or disrupt on-site workflow due to exposed sensors, truly realizing the design concept of "structure as sensor." On the other hand, the sensors are fully protected by the flexible material. In the event of an impact, the flexible material absorbs the impact energy first, and the sensor itself does not directly bear the impact force, avoiding the problems of traditional external sensors being easily damaged or detached. Simultaneously, the double seal of the waterproof and dustproof housing and the flexible material gives the sensors natural dustproof, waterproof, and vibration-resistant capabilities, perfectly adapting to harsh working environments with forklift traffic, high dust levels, and damp, muddy conditions. This significantly improves the system's reliability and service life, laying a solid foundation for long-term stable operation. 2. By utilizing the built-in threshold comparison program and time window judgment mechanism of the area alarm controller, accurate identification and millisecond-level response to valid impact events are achieved, solving the problems of high false alarm rate and delayed response in traditional solutions. The area alarm controller compares the signal amplitude collected by the embedded detection unit with a preset threshold and determines whether the duration of the signal exceeding the threshold exceeds a preset time window. Only when both conditions are met is it determined to be a valid impact event, thus effectively filtering false alarm signals caused by environmental interference such as vehicle vibration, personnel contact, flying insects, and falling leaves, achieving zero false alarm rate on-site alarm. After a valid determination, the area alarm controller immediately drives the on-site audible and visual alarm to emit a high-brightness LED flashing and a high-decibel buzzer alarm through the relay output interface. At the same time, the alarm information including the location, time, and device ID is uploaded to the back-end management platform through the communication module. From the occurrence of the impact to the activation of the on-site audible and visual alarm, and then to the receipt of the alarm information by the back-end, the entire process achieves a millisecond-level fully automated response without manual intervention, and the response speed far exceeds that of traditional manual inspection or post-event discovery methods. 3. Through deep integration between the backend management platform and the video surveillance system, spatiotemporal synchronization of alarm events and real-time video is achieved, solving the data silo problem of "no video for alarms, no alarm for video" in traditional security systems. After receiving alarm information uploaded by the area alarm controller, the backend management platform immediately queries the preset position of the associated network PTZ camera based on the location of the incident area and sends a PTZ control command to the PTZ camera, controlling it to quickly rotate to the preset coordinates and zoom to lock onto the incident area. Simultaneously, the alarm processing module displays the video stream returned by the PTZ camera in real time on the monitoring screen. The storage module automatically extracts 30-second video clips before and after the alarm trigger, associates and binds them with alarm records (time, location, operator, video file path, etc.) and stores them in the database, realizing automatic association and storage of alarm events and video clips. This technology greatly improves the efficiency of post-event traceability analysis and responsibility determination, providing a complete, accurate, and tamper-proof chain of evidence for accident cause investigation and responsibility determination. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the active and passive real-time protection system architecture for the work area according to the present invention.

[0018] Figure 2 This is a schematic diagram of the intelligent flexible anti-collision column structure frame of the present invention.

[0019] Figure 3 This is a schematic diagram of the hardware principle framework of the area alarm controller of the present invention.

[0020] Figure 4 This is a schematic diagram of the logical judgment process of the present invention.

[0021] Figure 5This is a schematic diagram of the video linkage timing of the present invention.

[0022] Figure 6 This is a schematic diagram of the system deployment application scenario of the present invention.

[0023] Figure 7 This is a schematic diagram comparing the technical effects of the present invention. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0025] like Figures 1 to 7 This paper presents a method and system for active and passive real-time protection of a work area.

[0026] Example 1: System Overall Architecture like Figure 1 As shown, this embodiment provides a real-time active and passive protection system for work areas, which adopts an "end-edge-cloud" collaborative architecture and includes: a flexible anti-collision structure, an embedded detection unit, an area alarm controller, an on-site alarm unit, a back-end management platform, and a video monitoring system.

[0027] The flexible anti-collision structure is installed in high-risk locations such as work area protection zones, including passageways, equipment corners, around pillars, production line isolation zones, and the edges of loading and unloading platforms. It is designed to elastically deform upon impact from vehicles (forklifts, AGVs, vehicles, etc.), absorbing impact energy and protecting personnel and equipment. The flexible anti-collision structure is made of high-molecular-weight elastic materials, such as polyurethane and modified polyethylene, possessing high elasticity, aging resistance, and impact resistance.

[0028] The embedded detection unit is pre-embedded or embedded within the flexible anti-collision structure, particularly in areas of concentrated stress (such as the bottom of columns and corners of guardrails), to sense deformation caused by impact and generate trigger signals. The embedded detection unit includes vibration sensors and / or deformation sensors (such as strain gauges, piezoelectric films, MEMS accelerometers, etc.), encapsulated in a waterproof and dustproof housing, and integrated with the flexible anti-collision structure through a one-piece molding process, achieving a concealed installation with zero interference and damage resistance.

[0029] The area alarm controller is deployed in a nearby location on site (such as on a wall or pole) and is connected to an embedded detection unit via a signal line (wired connection). It is used to receive trigger signals and perform logical judgments. After determining that a valid impact event has occurred, it outputs an alarm drive signal and simultaneously uploads alarm information, including the location, time, and device ID, to the backend management platform via a wired (RS485 / Ethernet) or wireless (LoRa / 4G / 5G) network.

[0030] The on-site alarm unit is connected to the area alarm controller and emits a strong audible and visual alarm after receiving the alarm drive signal. The on-site alarm unit includes a high-brightness LED light (flickering or constantly lit) and a high-decibel buzzer (≥100dB), which are integrated into the top cover of the flexible anti-collision structure. The whole unit has an IP67 or higher waterproof and dustproof rating, and can adapt to harsh environments such as dust and humidity.

[0031] The back-end management platform is located in the fire control room or duty room. It can be a single back-end management all-in-one machine or a server cluster pre-installed with control software, communicating with the area alarm controller to receive alarm information. The back-end management platform includes a map engine module, a video linkage module, an alarm processing module, a storage module, and an emergency plan execution module. The map engine module is used to display the alarm location on a GIS map in real time; the video linkage module is used to call the video surveillance system based on the alarm information; the alarm processing module is used to pop up an alarm window to display real-time video and alert the safety officer; the storage module is used to associate and store video clips before and after the alarm time with the alarm record; and the emergency plan execution module is used to trigger associated emergency equipment (such as voice broadcasts and traffic control signals).

[0032] The video surveillance system includes at least one network-connected high-definition PTZ camera (or a camera-PTZ linkage system), deployed at a high point covering the protected area. It features preset position functionality and infrared night vision capabilities, supporting the ONVIF protocol or SDKs from mainstream security vendors (such as Hikvision and Dahua Technology). The video surveillance system connects to a backend management platform. Under the control of the backend management platform, it can automatically retrieve real-time video of the incident area based on alarm information, enabling automatic turning and zoom locking.

[0033] In addition, the system may include a solar power module to provide independent power to field devices (such as area alarm controllers and wireless communication modules), making it suitable for outdoor environments without grid coverage.

[0034] Example 2: Detailed Implementation of Core Components 2.1 Integrated Flexible Collision Avoidance Structure and Embedded Detection Unit In this embodiment, the flexible anti-collision structure adopts a column-type or guardrail-type design. Taking the column as an example, its manufacturing process is as follows: First, the vibration sensor (such as a piezoelectric accelerometer) and deformation sensor (such as a resistance strain gauge) are encapsulated in a small waterproof metal shell, and signal lines are led out; then, the encapsulated sensor is placed in the bottom center or the stress concentration area of ​​the side wall of the column mold, and a flexible signal transmission cable (such as a bend-resistant shielded cable) is pre-embedded along the column axis. One end of the cable is connected to the sensor, and the other end is led out to a waterproof aviation plug at the bottom of the column; finally, molten polymer elastic material (such as thermoplastic polyurethane) is injected into the mold. After cooling and molding, the sensor and the column are firmly integrated. This process ensures that the sensor is not easily detached or damaged under repeated impacts, and at the same time, the damping characteristics of the polymer material are used to reduce environmental vibration interference. Through the aforementioned integrated process, the sensor is completely concealed within the flexible material, achieving the following significant advantages: Zero interference: The sensor is installed within the flexible material, without altering the original shape and mechanical properties of the flexible anti-collision structure. This does not affect the passive protection function of the polymer material in absorbing impact energy, nor does it introduce new collision risks or disrupt on-site workflow due to an exposed sensor. The detection unit is seamlessly integrated with the structure, realizing the design concept of "structure as sensor." Damage resistance: The sensor is fully encased and protected by the flexible material. In the event of an impact, the flexible material absorbs the impact energy first, and the sensor itself does not directly bear the impact force, avoiding the problem of externally mounted sensors being easily damaged or detached. Simultaneously, the dual seal of the waterproof and dustproof housing and the flexible material gives the sensor natural dustproof, waterproof, and vibration-resistant capabilities, perfectly adapting to harsh working environments with forklift traffic, high dust levels, and damp, muddy conditions, significantly improving the system's reliability and lifespan.

[0035] This "zero-interference, damage-resistant" embedded installation method is one of the core innovations that distinguishes this solution from basic active early warning solutions on the market (which use external sensors that are easily damaged and susceptible to interference), laying a solid foundation for the system to achieve "zero false alarms and high reliability".

[0036] 2.2 Implementation of Logic Judgment for Area Alarm Controller The zone alarm controller integrates a microcontroller (MCU), a signal acquisition interface (such as an ADC), a relay output interface, and a communication module. The signal acquisition interface receives analog signals from the embedded detection unit, amplifies and filters them, and then converts them into digital signals. A preset threshold comparison program in the MCU compares the digital signal with preset thresholds (e.g., vibration amplitude threshold of 2g, deformation threshold). The system compares the signals and times them. When the signal exceeds the threshold and the duration exceeds the preset time window (e.g., three consecutive sampling points exceed the threshold, or the time exceeding the threshold is >50ms), it is determined to be a valid impact event. At this time, the MCU closes the contact through the relay output interface to drive the on-site audible and visual alarm to start; at the same time, it encapsulates the alarm information (device ID, timestamp, event type) through the communication module (such as RS485 or 4G) and uploads it to the background management platform. If the signal does not meet both the threshold and time conditions at the same time, it is ignored as interference, thus achieving zero false alarms.

[0037] 2.3 Specific Implementation of the Video Linkage Module The video linkage module of the backend management platform incorporates SDKs from mainstream security vendors (such as Hikvision's NETSDK) or the ONVIF protocol stack. Upon receiving alarm information from the area alarm controller, the video linkage module queries the pre-configured associated PTZ cameras and preset position numbers based on the device ID (e.g., preset position 5 for PTZ camera 1 corresponds to protected area 1). It then sends PTZ control commands (such as absolute positioning commands) to the corresponding PTZ camera, controlling it to quickly rotate to the preset coordinates and automatically zoom in to lock onto the incident area. Simultaneously, the alarm processing module displays a pop-up window on the monitoring screen, showing the video stream returned by the PTZ camera in real time, and overlaying alarm information (such as flashing red borders and text prompts). The storage module automatically extracts 30-second video clips before and after the alarm trigger, binds them to alarm records (time, location, operator, etc.), and stores them in the database for easy post-event traceability.

[0038] 2.4 Expansion of the Emergency Response Plan Execution Module The emergency response module can automatically trigger a series of actions upon receiving an alarm, based on user configuration. For example, it can send instructions to the broadcasting system via TCP / IP to initiate on-site voice broadcasts (e.g., "Attention, a collision has occurred in area A. Please evacuate immediately"); or send signals to the traffic signal control system to switch traffic lights near the incident area to red, implementing temporary traffic control; or notify safety management personnel via SMS / APP push notifications. These actions can be flexibly configured according to actual needs to achieve rapid emergency response.

[0039] 2.5 Deployment Flexibility Implementation Method For outdoor areas without power or network access (such as dockyards and open areas in logistics parks), the system can be configured with solar power modules (including solar panels, batteries, and charge / discharge controllers) to power the area alarm controller and wireless communication modules (such as 4G DTUs). Embedded detection units are connected to the controller via wired connections, and the controller uploads alarm information to a cloud-based backend management platform via a 4G network for remote monitoring. This deployment method eliminates the need for laying cables and network cables, significantly reducing construction costs and enabling rapid deployment.

[0040] Example 3: Active and Passive Real-Time Protection Methods for Work Areas Based on the above system, this embodiment provides a method for active and passive real-time protection of a work area, including the following steps: S1: When a vehicle collides with a flexible anti-collision structure set up in the work area, the embedded detection unit installed inside the flexible anti-collision structure senses the deformation caused by the impact and generates a trigger signal (electrical signal).

[0041] S2: The area alarm controller receives the trigger signal and performs logical judgment on the trigger signal. Specifically, it compares the signal amplitude with a preset threshold. If the amplitude exceeds the threshold and the duration exceeds a preset time window, it is determined to be a valid impact event and an alarm drive signal is output; otherwise, the signal is ignored.

[0042] S3: The on-site alarm unit receives the alarm drive signal and immediately activates the high-brightness LED strobe light and high-decibel buzzer to emit a strong audible and visual alarm, reminding on-site personnel and vehicle operators to pay attention to the accident and take emergency measures.

[0043] S4: The area alarm controller uploads alarm information, including the location, time, and device ID of the incident, to the back-end management platform via wired or wireless network.

[0044] S5: Based on the alarm information, the back-end management platform coordinates with the video surveillance system to access real-time video of the incident area. Specifically, this includes: querying the associated preset positions of PTZ cameras based on the location of the incident area, sending PTZ control commands to network PTZ cameras with preset position functions, controlling the PTZ cameras to rotate to the preset coordinates, zooming to lock onto the incident area, and pushing the real-time video stream to the monitoring interface.

[0045] S6: The back-end management platform records alarm events and automatically extracts video clips before and after the alarm time (e.g., 30 seconds before and after), and stores them in the database along with the alarm records (time, location, operator, video file path, etc.) for easy retrieval and traceability afterward.

[0046] S7: The back-end management platform activates emergency plans based on police information, including but not limited to triggering voice broadcasts, traffic control signals, and SMS notifications to safety officers, to achieve rapid emergency response.

[0047] Example 4: Typical Application Scenarios Taking a loading and unloading platform in a logistics warehouse as an example, intelligent flexible anti-collision guardrails are deployed at the edge of the platform (sensors are installed on each guardrail post, and signal lines are embedded in the guardrail). An area alarm controller and a network PTZ camera are installed nearby. When a forklift accidentally hits the guardrail while reversing, the guardrail post deforms, and the built-in sensor immediately generates a trigger signal. After the controller determines it is a valid impact, it activates the audible and visual alarm (integrated in the top cap) on the top of the post, emitting an audible and visual alarm. Simultaneously, the alarm is uploaded to the fire control room backend via the 4G network. The backend system automatically calls the preset position of the corresponding PTZ camera, which quickly turns to the impact point and zooms in. A real-time video pops up on the monitoring screen, flashing an alarm. The backend automatically stores 30 seconds of video before and after the alarm and triggers the broadcast system to play "A collision has occurred on the loading and unloading platform; please be careful." The safety officer receives a push notification on their mobile phone and immediately rushes to the scene to handle the situation. The entire process is completed within milliseconds, effectively preventing the accident from escalating.

[0048] Example 5: Verification and Comparison of Technical Effects To verify the technical effectiveness of this system, 10 sets of intelligent flexible anti-collision columns were deployed in a factory and compared with traditional passive protection solutions (columns only, no alarm) and basic active early warning solutions (infrared beam + background alarm). Impact events were recorded over a month.

[0049] The test results show that: Traditional passive protection solutions require manual inspection after a collision, with an average discovery time of over 2 hours, and there is no video recording, making it difficult to determine liability.

[0050] Basic active warning solution: Because infrared beams are easily interfered with by flying insects and fallen leaves, 23 false alarms were generated within a month. Moreover, only the alarm time was recorded, and there was no on-site video, so it was impossible to confirm whether there was an actual collision.

[0051] This solution resulted in 7 actual impacts, all of which were accurately detected and triggered audible and visual alarms. Real-time video feeds appeared in the background within one second of each alarm. All impact events were recorded and stored in conjunction with the video feeds, with zero false alarms. The on-site operator stated that the audible and visual alarms enabled them to stop the equipment immediately, preventing serious damage and personnel injury.

[0052] Economic analysis shows that the cost of deploying this solution at a single point is approximately 3,000 yuan, while the production stoppage loss caused by a single forklift collision can reach hundreds of thousands of yuan. Based on a medium-sized factory deploying 50 points, the total investment is 150,000 yuan. It is estimated that 2-3 major accidents can be avoided within a year, resulting in a very short payback period and extremely high cost-effectiveness.

[0053] Example 6: Supplier Collaboration and Industrialization Implementation To achieve the industrialization of this system, it is recommended to establish cooperation with the following types of suppliers: Flexible material suppliers: such as a polymer materials company, which customizes polyurethane composite materials with high elasticity, oil resistance, and flame retardancy.

[0054] Sensor module manufacturers: Collaborate on the development of dedicated vibration / deformation sensor modules, integrating signal conditioning circuits, and outputting standard digital signals.

[0055] Video surveillance manufacturers: Utilize SDKs from mainstream brands such as Hikvision and Dahua Technology to quickly implement video linkage functions.

[0056] System integrators: For specific industries such as ports, chemicals, and tobacco, they collaborate with professional integrators to conduct secondary development and promotion.

[0057] This system has a simple structure, is easy to install, can quickly form a product line, and has a good market prospect.

[0058] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A method for active and passive real-time protection of a work area, characterized in that, Includes the following steps: When a vehicle collides with a flexible anti-collision structure set up in the work area's protective zone, an embedded detection unit installed inside the flexible anti-collision structure senses the deformation caused by the impact and generates a trigger signal. The area alarm controller receives the trigger signal, performs logical judgment on the trigger signal, and if it is determined to be a valid impact event, it outputs an alarm drive signal. The on-site alarm unit receives the alarm drive signal and issues an audible and visual alarm; The area alarm controller uploads alarm information, including the location and time of the incident, to the backend management platform; The back-end management platform, based on the alarm information, will link with the video surveillance system to call up real-time video of the incident area; The backend management platform records alarm events and associates and stores video clips before and after the alarm time with the alarm records. The back-end management platform activates emergency plans based on police information, including but not limited to triggering voice broadcasts or traffic control signals.

2. The active and passive real-time protection method for work areas according to claim 1, characterized in that: The logical judgment includes: comparing the signal amplitude collected by the embedded detection unit with a preset threshold; if the amplitude exceeds the threshold and the duration exceeds the preset time window, it is determined to be a valid impact event.

3. The active and passive real-time protection method for work areas according to claim 1, characterized in that: The linked video surveillance system calls real-time video of the incident area by: the background management platform sending a preset position call command to the network PTZ camera with preset position function according to the location of the incident area, controlling the PTZ camera to rotate to the preset coordinates and lock the incident area.

4. A real-time active and passive protection system for work areas, characterized in that, include: A flexible anti-collision structure is installed in the protected area of ​​the work area to deform upon impact. An embedded detection unit is pre-embedded or embedded inside the flexible anti-collision structure to sense deformation caused by impact and generate a trigger signal. The area alarm controller is communicatively connected to the embedded detection unit. It is used to receive the trigger signal and perform logical judgment. After determining that it is a valid impact event, it outputs an alarm drive signal and uploads the alarm information. The on-site alarm unit is connected to the area alarm controller and emits an audible and visual alarm after receiving the alarm drive signal. The back-end management platform is communicatively connected to the area alarm controller and receives the alarm information; The video surveillance system is connected to the back-end management platform and, under the control of the back-end management platform, can call up real-time video of the incident area in conjunction with the alarm information. The back-end management platform is also used to record alarm events and associate and store video clips before and after the alarm time with the alarm records. The back-end management platform also includes an emergency plan execution module, which is used to trigger associated emergency equipment after receiving alarm information.

5. A real-time active and passive protection system for work areas according to claim 4, characterized in that: The embedded detection unit includes a vibration sensor and / or a deformation sensor, which is encapsulated in a waterproof and dustproof housing and pre-embedded in the stress concentration area of ​​the flexible anti-collision structure through an integral molding process.

6. The active and passive real-time protection system for work areas according to claim 4, characterized in that: The flexible anti-collision structure is a column-type or guardrail-type structure made of high-polymer elastic material, with signal transmission cables pre-embedded inside. One end of the cable is connected to the embedded detection unit, and the other end is led out to a waterproof connector and connected to the area alarm controller.

7. A real-time active and passive protection system for work areas according to claim 4, characterized in that: The area alarm controller includes a signal acquisition interface, a microcontroller, a relay output interface, and a communication module. The microcontroller has a built-in threshold comparison program, which compares the acquired signal with a preset threshold. If the signal exceeds the threshold and the duration exceeds a preset time, it is determined to be a valid impact event. The microcontroller then drives the on-site alarm unit through the relay output interface and uploads the alarm information to the back-end management platform through the communication module.

8. A real-time active and passive protection system for work areas according to claim 4, characterized in that: The on-site alarm unit includes a high-brightness LED light and a buzzer, which are integrated into the top cover of the flexible anti-collision structure and have an IP67 or higher waterproof and dustproof rating.

9. A real-time active and passive protection system for work areas according to claim 4, characterized in that: The video surveillance system includes at least one network PTZ camera, which has a preset position function; the back-end management platform includes a video linkage module, which, upon receiving alarm information, calls the preset position of the corresponding PTZ camera according to the location of the incident area, controls the PTZ camera to rotate and zoom to lock onto the incident area.

10. A real-time active and passive protection system for work areas according to claim 4, characterized in that: The area alarm controller is connected to the embedded detection unit via a wired connection, and to the back-end management platform via a wired or wireless network connection.

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