Monorail crane visual electronic fence system for coal mine
By integrating thermal imaging dual-spectral imaging technology and intelligent analysis, the problems of false alarms and missed alarms in the monorail safety monitoring system have been solved, achieving high-precision detection and real-time early warning, and enhancing the safety and operating efficiency of monorails in coal mines.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-04-10
AI Technical Summary
Existing technologies in safety monitoring systems for monorail cranes in coal mines suffer from false alarms, missed alarms, delayed alarms, and a lack of automatic emergency measures, which fail to effectively guarantee safety and efficiency.
Employing thermal imaging dual-spectrum imaging technology, intelligent analysis, and communication technology, it integrates a target detection module, a voice warning module, and a display module. It identifies personnel through a thermal imaging dual-spectrum camera and links an intrinsically safe broadcast telephone and display for real-time warning and protection.
It achieves high-precision personnel detection and real-time early warning in complex environments, and features automatic shutdown and linkage protection, improving safety and ease of operation.
Smart Images

Figure CN224109880U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the intelligent monitoring technical field in coal mine underground, concretely relates to a coal mine is with monorail crane visual electronic fence system. BACKGROUND
[0002] In the coal mining industry, monorail crane as an important transport tool is widely used in underground mine for material and personnel transportation. However, due to the complex working environment, limited visibility and other factors, monorail crane has high safety hazards in the running process, especially when personnel mistakenly enter the dangerous area of monorail crane driving path or its vicinity, which may cause serious safety accidents. The physical fence, warning signs, artificial monitoring, ordinary camera and sensor system in the prior art, these methods often have false alarm or miss report under the condition of smoke and dust, alarm response lag and other phenomena, which has significant deficiencies in detection accuracy, real-time early warning and linkage protection, and it is difficult to provide effective safety protection in complex mine environment, and lack of automatic shutdown and other rapid emergency measures, which increases the risk of safety accidents, and cannot fully guarantee the safety and efficiency of coal mine operation. CONTENT OF UTILITY MODEL
[0003] In view of the problems existing in the prior art, the utility model provides a coal mine is with monorail crane visual electronic fence system, which realizes comprehensive monitoring of monorail crane running environment by integrating thermal imaging dual-spectrum imaging technology, intelligent analysis and communication technology, can detect and warn personnel intrusion into dangerous area in real time, and has perfect linkage protection mechanism and driving interaction experience, ensures that appropriate emergency measures are taken in the first time, thereby greatly improving the safety and efficiency of coal mine operation.
[0004] The utility model adopts the scheme to solve its technical problem: a coal mine is with monorrail crane visual electronic fence system, including target detection module, voice warning module, display module, stabilized power supply and monorail crane, target detection module relies on thermal imaging dual-spectrum camera to identify personnel, voice warning module relies on intrinsic safety broadcast sound telephone and warns, and display module relies on intrinsic safety display and shows the shooting picture of thermal imaging dual-spectrum camera;The thermal imaging dual-spectrum camera is two, is installed at the head and tail of monorail crane respectively, and the display and broadcast sound telephone are two, wherein two displays are installed at the front and rear windshield of the two driver's cab of monorail crane respectively, and two broadcast sound telephones are installed on the side window of the two driver's cab of monorrail crane respectively, the stabilized power supply is powered for thermal imaging dual-spectrum camera, broadcast sound telephone, display through power line, the alarm output node of thermal imaging dual-spectrum camera is connected with the emergency stop switch loop of monorail crane and the signal input interface of broadcast sound telephone through control line, and the thermal imaging dual-spectrum camera is connected through network line and is connected to the display.
[0005] Further, the thermal imaging dual-spectrum camera supports two-level electronic fence configuration, and adopts human body temperature matching and target detection for personnel identification.
[0006] Further, the thermal imaging dual-spectrum camera has two alarm output interfaces, one of which is connected to a broadcast interphone to link the broadcast interphone for broadcast alarm.
[0007] Further, the broadcast interphone is provided with talkback and dispatch buttons.
[0008] Further, the front and rear thermal imaging dual-spectrum cameras are cascaded through network cables and two displays in the front and rear cabs, and each display can independently display the dual-spectrum pictures of the two thermal imaging dual-spectrum cameras, including the visible light picture and thermal imaging picture of the front thermal imaging dual-spectrum camera and the visible light picture and thermal imaging picture of the rear thermal imaging dual-spectrum camera.
[0009] Further, the stable voltage power supply supplies power to each device, the input voltage of the stable voltage power supply is 24V, and the output voltage has two types of 12V and 18V, wherein the thermal imaging dual-spectrum camera and the display are powered by 12V, and the broadcast interphone is powered by 18V.
[0010] Compared with the prior art, the present application has the following advantages:
[0011] Simple structure, convenient to use, stable and reliable: the coal mine monorail visual electronic fence system of the present application is simple in design, convenient to install and configure, low in daily use and maintenance cost, highly autonomous, capable of independent operation, and does not need to rely on external facilities or specific environmental conditions, thereby improving the adaptability and reliability of the system.
[0012] High detection accuracy: the advanced thermal imaging dual-spectrum camera is adopted, the system can accurately identify personnel in various harsh environmental conditions such as smoke, dust, dimness, etc., effectively avoids false positives and false negatives, and ensures high reliability and accuracy of detection.
[0013] Real-time early warning: the system has real-time monitoring function, can respond to the environmental changes around the monorail in time, triggers sound and light alarm as soon as abnormal condition is detected, and notifies relevant personnel through the intrinsic safety broadcast interphone, thereby ensuring the timeliness and effectiveness of information transmission.
[0014] Enhanced linkage protection: when the system detects that personnel enter a high-risk area, it will automatically lock and stop the monorail to prevent accidents, and automatically record the image and video data of the intrusion event to provide valuable evidence for subsequent investigation and analysis, thereby enhancing the emergency handling capability of the system.
[0015] Optimize interaction experience: the single rail crane cab is equipped with a dedicated intrinsically safe display and intrinsically safe broadcast sound telephone, the driver can monitor the surrounding environment in real time in the cab, and keep smooth communication with the outside world, improve the convenience and safety of operation, through intuitive picture display and instant voice communication, the driver can quickly respond to various emergencies, and ensure the safe operation of the single rail crane. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the installation schematic view of the thermal imaging dual-spectrum camera of the utility model;
[0017] Figure 2 It is the equipment connection schematic view of the utility model;
[0018] Figure 3 It is the work flow chart of the utility model.
[0019] In the drawing: 1, single rail crane; 2, thermal imaging dual-spectrum camera; 3, display; 4, broadcast sound telephone; 5, stabilized power supply. DETAILED DESCRIPTION
[0020] The utility model is further described below in combination with the drawings and examples.
[0021] Please refer to Figures 1-3 The utility model provides a kind of coal mine single rail crane visual electronic fence system technical scheme: EMBODIMENT
[0022] A kind of coal mine single rail crane visual electronic fence system, including target detection module, voice early warning module, display module, stabilized power supply 5 and single rail crane 1, target detection module relies on thermal imaging dual-spectrum camera 2 and carries out personnel identification, voice early warning module relies on intrinsically safe broadcast sound telephone 4 and carries out early warning, display module relies on intrinsically safe display 3 and shows the shooting picture of thermal imaging dual-spectrum camera 2.Stabilized power supply 5 is powered for thermal imaging dual-spectrum camera 2, broadcast sound telephone 4, display 3 by power line, the alarm output node of the thermal imaging dual-spectrum camera 2 is connected with the emergency stop switch loop of single rail crane 1 and the signal input interface of broadcast sound telephone 4 by control line, thermal imaging dual-spectrum camera 2 is cascaded by network line, and is connected to display 3.
[0023] Thermal imaging dual-spectrum camera 2 is two, is respectively installed in the head and tail of single rail crane 1, the installation position of thermal imaging dual-spectrum camera 2 is as shown in Figure 1As shown, to identify whether there is personnel intrusion in the front and rear dangerous areas during the operation of the monorail crane, the thermal imaging dual-spectrum camera 2 supports two-level electronic fence configuration, can customize the alarm area and shutdown area according to the actual working scene of the monorail crane 1, uses human body temperature matching and target detection to identify personnel, improves the identification accuracy of personnel intrusion into dangerous areas, and the thermal imaging dual-spectrum camera 2 has two alarm output interfaces, which can customize the alarm response mechanism of the thermal imaging dual-spectrum camera 2. When detecting personnel intrusion into the alarm area, the thermal imaging dual-spectrum camera 2 itself will sound and light alarm, and also output an alarm signal to link the intrinsically safe broadcast loudspeaker phone 4 to broadcast an alarm, and link the tunneling machine to shut down; at the same time, the camera will also link itself to take pictures and record videos to record the screenshot and video information of the personnel intrusion event, and the user can enter the camera configuration interface to review and download the screenshot and video.
[0024] The intrinsically safe broadcast loudspeaker phone 4 is two, respectively installed in the front and rear two driver cabins of the monorail crane 1, used to link broadcast alarm when the thermal imaging dual-spectrum camera 2 detects personnel intrusion in the dangerous area; at the same time, the broadcast loudspeaker phone 4 is provided with a talkback and dispatch button, after the alarm event occurs, the monorail crane driver can press the "talkback" button to broadcast a shout, reminding the personnel who intrude into the dangerous area to pay attention to safety and leave immediately, or press the "dispatch" button to initiate an uplink call signal to report the details of the dangerous event to the dispatch room, on the one hand, to remind the personnel who intrude into the dangerous area to pay attention to safety, and on the other hand, to ensure real-time communication of information after the dangerous event occurs, to minimize losses.
[0025] The intrinsically safe display 3 is two, respectively installed in the front and rear two driver cabins of the monorail crane 1, used to display the dual-light pictures of the thermal imaging dual-spectrum camera 2 in real time. Specifically, the front and rear two cameras of the monorail crane 1 and the two displays in the front and rear driver cabins are cascaded through a network cable, each display can independently display the dual-light pictures of the two cameras, a total of four pictures, including the visible light picture and the thermal imaging picture of the front thermal imaging dual-spectrum camera and the visible light picture and the thermal imaging picture of the rear thermal imaging dual-spectrum camera, ensuring that the driver in any driver cabin can view the picture content of the front and rear thermal imaging dual-spectrum cameras 2 of the monorail crane 1 in real time, to better drive safely. At the same time, when the camera detects personnel intrusion in the dangerous area, the intruding personnel will be framed in the two pictures of the display 3 corresponding to the thermal imaging dual-spectrum camera 2, and the picture corresponding to the thermal imaging dual-spectrum camera 2 will also be linked to flash, further reminding the monorail crane driver to drive safely.
[0026] The steady voltage power supply 5 supplies power for each device, the input voltage of the steady voltage power supply 5 is 24V, and the output voltage has two types of 12V and 18V, wherein the thermal imaging dual-spectrum camera 2 and the intrinsic safety display 3 are powered by 12V, and the intrinsic safety broadcast loudspeaker telephone 4 is powered by 18V.
[0027] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A visual electronic fence system for a coal mine monorail hoist, characterized in that: The application relates to a monorail crane (1) with a target detection module, a voice early warning module, a display module, a stabilized power supply (5) and the monorail crane (1), the target detection module relies on a thermal imaging dual-spectrum camera (2) to identify personnel, the voice early warning module relies on an intrinsically safe broadcast sound telephone (4) to give early warning, and the display module relies on an intrinsically safe display (3) to display the shooting picture of the thermal imaging dual-spectrum camera (2); the thermal imaging dual-spectrum camera (2) is composed of two sets of thermal imaging dual-spectrum cameras which are respectively installed at the head and tail of the monorail crane (1), and the display (3) and the broadcast sound telephone (4) are each composed of two sets of displays (3) and two sets of broadcast sound telephones (4), wherein the two sets of displays (3) are respectively installed at the front windshield and the rear windshield of the front and rear driver's cabins of the monorail crane (1), the two sets of broadcast sound telephones (4) are respectively installed on the side windows of the front and rear driver's cabins of the monorail crane (1), the stabilized power supply (5) supplies power to the thermal imaging dual-spectrum camera (2), the broadcast sound telephone (4) and the display (3) through a power line, the alarm output node of the thermal imaging dual-spectrum camera (2) is connected with the emergency stop switch circuit of the monorail crane (1) and the signal input interface of the broadcast sound telephone (4) through a control line, and the thermal imaging dual-spectrum camera (2) is connected with the display (3) through a network line.
2. The visual electronic fence system for coal mine single track suspension machine according to claim 1, characterized in that: The thermal imaging dual-spectrum camera (2) supports two-stage electronic fence configuration and adopts human body temperature matching and target detection to identify personnel.
3. The visual electronic fence system for coal mine single track hoist according to claim 1 or 2, characterized in that: The thermal imaging dual-spectrum camera (2) has two alarm output interfaces, one of which is connected with the broadcast sound telephone (4) to link the broadcast sound telephone (4) to give broadcast alarm.
4. The visual electronic fence system for coal mine single track hoist according to claim 1, characterized in that: The broadcast sound telephone (4) is provided with talkback and dispatching buttons.
5. The visual electronic fence system for coal mine single track hoist according to claim 1, characterized in that: The front and rear thermal imaging dual-spectrum cameras (2) are connected with the two displays (3) in the front and rear driver's cabins through network lines, and each display (3) can independently display the dual-spectrum pictures of the two thermal imaging dual-spectrum cameras (2), including the visible light picture and the thermal imaging picture of the front thermal imaging dual-spectrum camera and the visible light picture and the thermal imaging picture of the rear thermal imaging dual-spectrum camera.
6. The visual electronic fence system for coal mine single track suspension monorail according to claim 1, characterized in that: The stabilized power supply (5) supplies power to each device, the input voltage of the stabilized power supply (5) is 24V, and the output voltage is divided into 12V and 18V, wherein the thermal imaging dual-spectrum camera (2) and the display (3) are powered by 12V, and the broadcast sound telephone (4) is powered by 18V.