Foreign matter invasion prevention alarm device
By installing an anti-foreign object intrusion alarm device inside the equipment cabinet, real-time monitoring and remote alarms are issued, solving the safety hazards caused by small animals and rainwater seepage, and improving the reliability and safety of equipment operation.
Patent Information
- Application Number
- CN202422984943.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing technologies cannot monitor and handle intrusion of small animals and rainwater infiltration into power plant equipment cabinets in real time, which may lead to the failure to detect potential safety hazards in a timely manner, potentially causing protective malfunctions and unit shutdown accidents.
Design an intrusion prevention alarm device, comprising a water leakage detection module, an infrared detection module, a relay output module, a remote signal transmission module, and a data processing module, to monitor in real time and issue remote alarm signals to remind maintenance personnel to handle the situation promptly.
It enables real-time monitoring of small animals and rainwater seepage inside the equipment cabinet, promptly issues alarm signals, improves the reliability of equipment operation, prevents the expansion of hidden dangers, avoids switch tripping and unit shutdown accidents, and ensures the safe and stable operation of the unit.
Smart Images

Figure CN223679718U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the relay protection and safety automatic device field relates to the alarm device of preventing foreign matter invasion. BACKGROUND
[0002] The switch room, protection room, automation equipment and other equipment of power plant require higher operation environment, especially in preventing small animals from entering and rainwater from entering, the small animals entering the inside of screen cabinet can gnaw the insulated cable, causing the insulation damage of cable, and causing protection misoperation; the rainwater entering the inside of screen cabinet can cause the insulation damage of wiring terminal row, causing the grounding of DC system, terminal row burning, protection misoperation, signal unable to output and other conditions, the above two conditions will cause the safety and stable operation of unit to have inestimable consequence. Therefore, it needs to pay attention to the sealing of screen cabinet and whether the sealing of cable hole is perfect, in order to find such safety hidden danger in time, the common method is to carry out equipment inspection and checking work regularly, but the inspection cycle is relatively long, and the safety and stable operation of unit cannot be monitored at any time, small hidden danger can develop into major safety hidden danger in the inspection interval, causing the occurrence of above-mentioned fault.
[0003] Therefore, an alarm device for preventing foreign matter invasion is designed to overcome the above problems. CONTENT OF UTILITY MODEL
[0004] The utility model aims at overcoming the deficiencies of prior art, and provides an alarm device for preventing foreign matter invasion, which has simple and reasonable structure, is practical and convenient, and ensures the safe and stable operation of unit.
[0005] The utility model is realized through the following technical scheme: an alarm device for preventing foreign matter invasion, which comprises an alarm device body installed on a guide rail in a device screen cabinet, wherein the alarm device body comprises a shell and a plurality of modules installed in the shell, and the modules are connected through lines; the plurality of modules comprise a water leakage detection module, an infrared detection module, a relay output module, a remote signal sending module and a data processing and operation module.
[0006] The water leakage detection module is used for detecting the water leakage in the device screen cabinet and sending the monitored data to the data processing and operation module.
[0007] The infrared detection module is used for monitoring the entry of small animals into the cabinet, and when a small animal enters the inside of the screen cabinet, the infrared detection module sends the monitored data to the data processing and operation module, and distinguishes between humans and small animals by analyzing the speed of moving objects and thermal release infrared energy.
[0008] The relay output module is used for issuing alarm information, and the module accepts instructions of the data processing and operation module, and when it is detected that small animals or rainwater enter the cabinet, the data is transmitted through the relay output module for timely detection of faults.
[0009] The remote signal sending module is used for issuing remote alarm information, and the module accepts instructions of the data processing and operation module, and when it is detected that small animals or rainwater enter the cabinet, the remote signal sending module is driven to send remote alarm information to a mobile terminal of an operation and maintenance personnel, so as to remind the maintenance personnel to timely handle the fault.
[0010] The data processing and operation module is used for analyzing data sent by the leakage water detection module and the infrared detection module, and driving the relay output module and the remote signal sending module to issue alarm information.
[0011] The water leakage fault alarm relay output contact and the small animal entry alarm relay output contact are further arranged on the cabinet and are used for connecting alarm devices, and the alarm devices are connected with the leakage water detection module, the infrared detection module, the relay output module, the remote signal sending module and the data processing and operation module in circuit, so as to send alarm information after receiving the alarm information sent by each module.
[0012] As preferred, the leakage water detection module is connected with a leakage monitoring rope through a leakage monitoring signal connector arranged on the cabinet, the monitoring rope is arranged around the bottom of the cabinet and parts that need special attention, and whether there is leakage water behavior is determined by analyzing the change of the resistance value of the monitoring rope; the model of the leakage water detection module is HSM-WT11.
[0013] As preferred, the infrared detection module is connected with an infrared sensor through an infrared monitoring signal connector arranged on the cabinet, when an animal approaches, the infrared signal of the animal is detected, a relay is closed, and alarm information is sent through the relay output module and the remote signal sending module; the model of the infrared detection module is XKC-003K4 / -V / -NPN / -M.
[0014] As preferred, the model of the relay output module is T73, and the relay output module is used for controlling the disconnection or connection of a strong electric signal through a weak electric signal.
[0015] As preferred, the model of the remote signal sending module is USR-DR15X, the remote signal sending module is further connected with a 4G signal extension antenna through a signal connector, the remote signal sending module accepts instructions of the data processing and operation module, when it is detected that small animals or rainwater enter the cabinet, the remote signal sending module is driven to send remote alarm information to a mobile terminal of an operation and maintenance personnel, so as to remind the maintenance personnel to timely handle the fault.
[0016] As preferred: the model of the data processing and operation module is STM32VCT6, as a central processing unit, the signals collected by each module are subjected to data analysis and processing.
[0017] As preferred: the alarm sends signals to the existing DCS system or NCS system through the internal standby core of the screen cabinet
[0018] The beneficial effects of the utility model are as follows:
[0019] The foreign matter intrusion alarm device designed by the utility model is installed on the guide rail in the equipment screen cabinet, has infrared detection and rainwater infiltration detection functions, monitors the situation in the cabinet in real time, can send a remote alarm signal once small animals enter and rainwater infiltrates, reminds the operation and maintenance personnel to handle in time, improves the equipment operation reliability, prevents the expansion of hidden dangers, avoids causing the tripping of switches and even the shutdown of the unit, especially the outdoor screen cabinet, ensures the safe and stable operation of the unit.
[0020] The foreign matter intrusion alarm device designed by the utility model can be installed in the 5000 switch terminal box inside the 500kV booster station, the terminal box is long-term invaded by small animals and infiltrated by rainwater, which causes great safety hazards to the stable operation of the equipment, the above-mentioned hazards are found and handled in time by installing the foreign matter intrusion alarm device on the guide rail in the terminal box, the cabinet door sealing is strengthened, the cable hole plugging is improved, and the rat prevention stickers are arranged, so that the hazards are eliminated. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 It is a whole structure schematic view of the utility model.
[0022] Fig. 2 It is a structure schematic view of multiple modules in the utility model. DETAILED DESCRIPTION
[0023] In order to make those skilled in the art more clearly understand the purpose, technical scheme and advantages of the utility model, the utility model will be further described in combination with the drawings and embodiments.
[0024] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms such as "up", "down", "left", "right", "inner", "outer", "horizontal", "vertical" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, so it cannot be understood as a limitation on the utility model.
[0025] The utility model will be described in detail in combination with the drawings as follows: Figs. 1-2As shown, the foreign matter intrusion alarm device includes an alarm device body installed on the guide rail inside the equipment screen cabinet, the alarm device body is composed of a shell 1 and a plurality of modules installed in the shell 1, which are connected through a line, the plurality of modules are composed of a leakage water detection module 2, an infrared detection module 3, a relay output module 4, a remote signal sending module 5, a data processing and operation module 6; the leakage water detection module 2 is used for detecting the water leakage condition in the equipment screen cabinet, and sending the monitored data to the data processing and operation module; the infrared detection module 3 is used for monitoring the entry of small animals in the cabinet, when the small animals enter the inside of the screen cabinet, the infrared detection module sends the monitored data to the data processing and operation module, and distinguishes between humans and small animals by analyzing the speed of the moving object and the thermal release infrared energy; the relay output module 4 is used for issuing alarm information, the module receives the instruction of the data processing and operation module, when it is detected that small animals enter the inside of the screen cabinet or rainwater penetrates into the cabinet, the data is transmitted through the relay output module for timely fault detection; the remote signal sending module 5 is used for issuing remote alarm information, the module receives the instruction of the data processing and operation module, when it is detected that small animals enter the inside of the screen cabinet or rainwater penetrates into the cabinet, the remote signal sending module is driven to send remote alarm information to the mobile terminal of the operation and maintenance personnel, reminding the maintenance personnel to handle the fault in time; the data processing and operation module 6 is used for analyzing the data sent by the leakage water detection module and the infrared detection module, and driving the relay output module and the remote signal sending module to issue alarm information; the water leakage fault alarm relay output contact 14 and the small animal entry alarm relay output contact 15 are further arranged on the shell 1, which are used for connecting the alarm respectively, and the alarm is also connected with the leakage water detection module 2, the infrared detection module 3, the relay output module 4, the remote signal sending module 5 and the data processing and operation module 6 through a line, for issuing an alarm after receiving the alarm information sent by each module.
[0026] The leakage water detection module 2 is connected with a leakage water monitoring rope 9 through a leakage water monitoring signal connector 8 arranged on the shell 1, the monitoring rope is arranged around the bottom of the screen cabinet and the parts that need special attention, and the existence of leakage water behavior is judged by analyzing the change of the resistance value of the monitoring rope; the model of the leakage water detection module is HSM-WT11.
[0027] The infrared detection module 3 is connected with an infrared sensor 11 through an infrared monitoring signal connector 10 arranged on the shell 1, when the animal approaches, the thermal release infrared signal of the animal is detected, the relay is closed, and the alarm information is sent through the relay output module 4 and the remote signal sending module 5, the model of the infrared detection module 3 is XKC-003K4 / -V / -NPN / -M.
[0028] The model of the relay output module 4 is T73, which controls the disconnection or connection of the strong electric signal through the weak electric signal. The model of the remote signal sending module 5 is USR-DR15X, which is externally connected with a 4G signal extension antenna 13 through a signal connector 12 (the signal connector is connected with the remote signal sending module line), and the remote signal sending module 5 receives the instruction of the data processing and operation module, and when detecting that a small animal enters or rainwater seeps into the cabinet, the remote signal sending module 5 is driven to send a remote alarm information to the mobile terminal of the operation and maintenance personnel, reminding the maintenance personnel to timely handle the fault. The model of the data processing and operation module 6 is STM32VCT6, which is used as a central processing unit to analyze and process the signals collected by each module. The alarm sends the signal to the existing DCS system or NCS system through the standby core in the screen cabinet.
[0029] The foreign matter invasion alarm device designed by the utility model is installed on the guide rail in the equipment screen cabinet, has infrared detection and rainwater seepage detection functions, monitors the situation in the cabinet in real time, can send a remote alarm signal once small animals enter and rainwater seeps in, reminds the operation and maintenance personnel to handle in time, improves the equipment operation reliability, prevents the expansion of hidden dangers, avoids the tripping of switches and even the shutdown of units, especially the outdoor screen cabinet, and guarantees the safe and stable operation of the unit.
[0030] The foreign matter invasion alarm device designed by the utility model can be installed in the 5000 switch terminal box of the 500kV booster station, the terminal box is long-term invaded by small animals and seeped by rainwater, which causes great safety hidden danger to the stable operation of the equipment, the foreign matter invasion alarm device is installed on the guide rail in the terminal box, the above-mentioned hidden danger is found and handled in time, the cabinet door sealing is strengthened, the cable hole plugging is improved, and the rat prevention stickers are arranged, and the hidden danger is eliminated.
[0031] The specific embodiments described in the present application are only illustrative of the principles and effects of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical thought of the utility model should be covered by the claims of the utility model.
Claims
1. A foreign matter intrusion prevention alarm device, comprising an alarm device body installed on a guide rail inside a device screen cabinet, the alarm device body being composed of a casing (1) and a plurality of modules installed in the casing (1) and connected through lines, characterized in that: The plurality of modules are composed of a leakage water detection module (2), an infrared detection module (3), a relay output module (4), a remote signal sending module (5), and a data processing and operation module (6). The leakage water detection module (2) is used for detecting the leakage water condition in the equipment screen cabinet and sending the monitored data to the data processing and operation module. The infrared detection module (3) is used for monitoring the entry of small animals into the cabinet, and when a small animal enters the inside of the screen cabinet, the infrared detection module sends the monitored data to the data processing and operation module, and distinguishes between a human and a small animal by analyzing the speed of the moving object and the thermal release infrared energy. The relay output module (4) is used for issuing an alarm information, and the module receives the instruction of the data processing and operation module, and when it is detected that a small animal enters the inside of the screen cabinet or rainwater penetrates into the cabinet, the data is transmitted through the relay output module for timely detection of faults. The remote signal sending module (5) is used for issuing a remote alarm information, and the module receives the instruction of the data processing and operation module, and when it is detected that a small animal enters the inside of the screen cabinet or rainwater penetrates into the cabinet, the remote signal sending module is driven to issue a remote alarm information to the mobile terminal of the operation and maintenance personnel to remind the maintenance personnel to timely handle the fault. The data processing and operation module (6) is used for analyzing the data sent by the leakage water detection module and the infrared detection module, and driving the relay output module and the remote signal sending module to issue an alarm information. The leakage water fault alarm relay output contact (14) and the small animal entry alarm relay output contact (15) are further arranged on the casing (1) and are used for being connected with an alarm, respectively, and the alarm is also connected with the leakage water detection module (2), the infrared detection module (3), the relay output module (4), the remote signal sending module (5), and the data processing and operation module (6) in a line, respectively, for issuing an alarm after receiving the alarm information sent by each module.
2. The foreign object intrusion alarm device according to claim 1, characterized by: The leakage water detection module (2) is connected with a leakage water monitoring rope (9) through a leakage water monitoring signal connector (8) arranged on the casing (1), the monitoring rope is arranged around the bottom of the screen cabinet and parts that need to be specially paid attention to, and whether there is a leakage water behavior is determined by analyzing the change of the resistance value of the monitoring rope; the model of the leakage water detection module is HSM-WT11.
3. The foreign object intrusion alarm device according to claim 1, wherein: The infrared detection module (3) is connected with an infrared sensor (11) through an infrared monitoring signal connector (10) arranged on the casing (1), and when an animal approaches, the infrared signal of the animal is detected, a relay is closed, and an alarm information is issued through the relay output module (4) and the remote signal sending module (5); the model of the infrared detection module (3) is XKC-003K4 / -V / -NPN / -M.
4. The foreign object intrusion alarm device according to claim 3, characterized by: The model of the relay output module (4) is T73, which controls the disconnection or connection of a strong electric signal through a weak electric signal.
5. The foreign object intrusion alarm device according to claim 1 or 4, characterized by: The remote signal sending module (5) is USR-DR15X, and the remote signal sending module (5) is externally connected with a 4G signal extension antenna (13) through a signal connector (12); the remote signal sending module (5) receives instructions of the data processing and operation module; when detecting that a small animal or rainwater enters the cabinet, the remote signal sending module (5) is driven to send remote alarm information to a mobile terminal of an operation and maintenance personnel, so as to remind the maintenance personnel to timely handle the fault.
6. The foreign object intrusion alarm device according to claim 1, wherein: The data processing and operation module (6) is STM32VCT6, and is used as a central processing unit to analyze and process signals collected by each module.
7. The foreign object intrusion alarm apparatus according to claim 1, wherein: The alarm sends signals to an existing DCS system or an NCS system through a backup core in the cabinet.