A wireless intelligent aerosol fire extinguishing device

Abstract

This utility model discloses a wireless intelligent monitoring aerosol fire extinguishing device, relating to the field of fire monitoring technology. It includes an electrical monitor, a gas extinguishing device connected to the electrical monitor via wireless communication, and an intelligent control terminal connected to both the electrical monitor and the gas extinguishing device via wireless communication. The electrical monitor includes a fixed housing, a smoke monitoring circuit board housed within the fixed housing, and a diversion structure housed within the fixed housing and electrically connected to the smoke monitoring circuit board, which can divert gas from outside the fixed housing to the smoke monitoring circuit board. This wireless intelligent monitoring aerosol fire extinguishing device can overcome the limitations of natural convection, improve monitoring sensitivity, and achieve timely fire extinguishing, thereby preventing the spread of fire.

Description

Technical Field

[0001] This utility model relates to the field of fire monitoring technology, specifically a wireless intelligent monitoring aerosol fire extinguishing device. Background Technology

[0002] Wireless intelligent aerosol fire suppression devices are intelligent fire extinguishing systems that monitor ambient temperature and smoke, compare these values ​​with threshold values, and then activate the extinguishing mechanism. They are typically used inside electrical cabinets. Electrical cabinets are enclosed or semi-enclosed spaces with slow airflow. Existing fire suppression systems for electrical cabinets mainly rely on natural convection to transmit smoke and temperature signals, resulting in a delayed response and insufficient monitoring sensitivity in enclosed spaces. This often leads to missed opportunities to extinguish initial fires caused by short circuits or overloads within the electrical cabinet, potentially allowing the fire to spread, damaging electrical equipment, or even causing larger-scale safety accidents. Utility Model Content The purpose of this invention is to provide a wireless intelligent monitoring aerosol fire extinguishing device. This device can overcome the limitations of natural convection, improve monitoring sensitivity, and extinguish fires in a timely manner, thereby preventing the spread of fire.

[0003] The above-mentioned optimized structure of this utility model is achieved through the following technical solution: a wireless intelligent monitoring aerosol fire extinguishing device, including an electrical monitor; A gaseous fire extinguishing device, wherein the gaseous fire extinguishing device is connected to the electrical monitor via wireless communication; The intelligent control terminal is connected to the electrical monitor and the gas fire extinguishing device via wireless communication. The electrical monitor includes a fixed housing; A flue gas monitoring circuit board is disposed within the fixed housing; A flow-guiding structure is provided inside the fixed housing and electrically connected to the flue gas monitoring circuit board, which can guide the gas outside the fixed housing to the flue gas monitoring circuit board.

[0004] In some embodiments, the flue gas monitoring circuit board includes a board body, which is disposed within the fixed housing; A smoke sensing unit is disposed on the plate. A temperature sensing unit is provided on the plate, and the flue gas sensing unit and the temperature sensing unit are provided below the flow-guiding structure.

[0005] In some embodiments, the diversion structure includes at least one diversion fan, and the outlets of the plurality of diversion fans are directed toward the flue gas sensing unit and the temperature sensing unit.

[0006] In some embodiments, the electrical monitor further includes a plurality of air inlets, which penetrate the bottom of the fixed housing and are located below the flue gas sensing unit and the temperature sensing unit; A filter screen is disposed inside the air inlet.

[0007] In some embodiments, the electrical monitor further includes an air guide duct, which is coaxially disposed at the bottom of the fixed housing and covers the flue gas sensing unit and the temperature sensing unit. An air guide hood is provided with the air diversion structure on the side of the air guide hood near the smoke sensing unit, and multiple air inlets are provided through the side of the air guide hood away from the smoke sensing unit, and a filter screen is provided thereon. The air guide hood is slidably disposed in the air guide groove. Multiple locking screws, one end of which penetrates through the side wall of the fixed housing and abuts against the side wall of the air guide shroud, and the locking screws are screwed into the side wall of the fixed housing.

[0008] In some embodiments, the sidewall of the air guide shroud is provided with a plurality of ventilation holes.

[0009] In some embodiments, the electrical monitor further includes a wireless antenna, which is fixed on the housing and electrically connected to the flue gas monitoring circuit board, and is connected to the gas extinguishing device and the intelligent control terminal via wireless communication.

[0010] In some embodiments, the wireless communication method is any one of NB-IoT, GPRS, GSM, CDMA, 3G, and 4G.

[0011] In summary, this utility model has the following beneficial effects: This wireless intelligent monitoring aerosol fire extinguishing device accelerates the gas flow in the monitoring environment through a diversion structure, which can overcome the limitations of natural convection. In the event of a fire, it shortens the time from the generation of smoke to contact with the electrical monitor, thereby improving monitoring sensitivity, enabling timely fire extinguishing, and preventing the spread of fire. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the electrical monitoring device of this utility model; Figure 3 This is a cross-sectional view of the electrical monitoring device of this utility model; Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0013] In the diagram: 1. Electrical monitor; 11. Mounting housing; 12. Flue gas monitoring circuit board; 121. Board body; 122. Flue gas sensing unit; 123. Temperature sensing unit; 13. Airflow diversion structure; 14. Air outlet; 15. Air guide duct; 16. Air guide cover; 17. Locking screw; 18. Wireless antenna; 19. Filter screen; 2. Gas extinguishing device; 3. Intelligent control terminal. Detailed Implementation

[0014] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0015] refer to Figure 1-4 A wireless intelligent monitoring aerosol fire extinguishing device includes an electrical monitor 1, a gas extinguishing device 2, and an intelligent control terminal 3. The electrical monitor 1 is the core monitoring component. It can be installed at the top of the cabinet or other environment to monitor the temperature and smoke levels in real time and compare them with a set threshold to determine whether a fire has occurred. It then transmits a fire signal to the gas extinguishing device 2 and the intelligent control terminal 3. The gas extinguishing device 2 can be fixed to a fire-prone area in a closed or semi-closed space, such as a cabinet, to facilitate timely fire extinguishing and prevent the fire from spreading. The gas extinguishing device 2 is connected to the electrical monitor 1 wirelessly and can activate to extinguish the fire after receiving a fire signal from the electrical monitor 1. The gas extinguishing device 2 can be an aerosol fire extinguishing device. The technology of receiving signals to extinguish fires using aerosol fire extinguishing devices is existing technology and will not be elaborated here. The intelligent control terminal 3 is connected to the electrical monitor 1 and the gas extinguishing device 2 via wireless communication. The intelligent control terminal 3 may include an industrial-grade touchscreen, an audible and visual alarm, a controller, and a data storage module. It receives real-time data on smoke concentration, temperature, and equipment status uploaded by the electrical monitor 1 via wireless communication and displays it on the touchscreen. It allows for manual and remote control of the gas extinguishing device 2 and supports historical data. In the event of a fire, the audible and visual alarm can be activated to sound the alarm. It can also wirelessly upload real-time data on smoke and temperature monitored by the electrical monitoring module to a cloud server. Remote alerts can be sent via mobile phone or computer in the event of a fire. The intelligent control terminal 3 is existing technology and will not be described in detail here. The touchscreen allows for setting the fire alarm trigger mode and threshold parameters. The alarm can be triggered in a single mode when either temperature or smoke reaches a set threshold, or in a dual-constraint mode when both temperature and smoke reach the set threshold simultaneously.

[0016] In some embodiments, the electrical monitor 1 includes a fixed housing 11, a flue gas monitoring circuit board 12, and a flow-guiding structure 13. The fixed housing 11 can be a rectangular shell made of flame-retardant plastic injection molding, and the specific size can be set according to the actual situation. The top of the fixed housing 11 can be reserved with an antenna mounting hole with a diameter of 20mm. The inside is provided with a plastic slot for fixing the flue gas monitoring circuit board 12, which facilitates the pre-positioning of the flue gas monitoring circuit board 12 during installation. The flue gas monitoring circuit board 12 can be an epoxy board, and its size is adapted to the installation space inside the fixed housing 11. It can be fixed in the slot by screws. It can monitor parameters such as flue gas and temperature in the environment. The flue gas monitoring circuit board 12 can be electrically connected to a battery to realize the normal operation of the flue gas monitoring circuit board 12. The flow-guiding structure 13 is located inside the fixed housing 11 and can be fixed by bolts. Its power line is electrically connected to the power interface of the flue gas monitoring circuit board 12 through terminals. When working, it generates a directional airflow, which introduces the gas outside the fixed housing 11 and blows it towards the sensor sensing surface on the flue gas monitoring circuit board 12, accelerating the gas exchange speed and thereby improving the monitoring response sensitivity.

[0017] In some embodiments, the flue gas monitoring circuit board 12 includes a board body 121, a flue gas sensing unit 122, and a temperature sensing unit 123. The board body 121 may be an FR-4 epoxy board, which can be fixed in a slot inside the fixing shell 11 by copper pillars, with a sealing gasket reserved at the edge to fit against the inner wall of the fixing shell 11, and the thickness of the sealing gasket may be 1mm; the flue gas sensing unit 122 may be a carbon monoxide sensor, soldered to the board body 121, which can monitor the concentration of carbon monoxide; the temperature sensing unit 123 may be a PT100 resistance temperature detector, soldered to the board body 121, and the measurement range may be -20℃ to 150℃; the signal output terminals of both can be connected to the signal processing chip on the board body 121 through PCB wiring, the model of which may be STM32F030, and a flow guiding structure 13 is provided directly below the flue gas sensing unit 122 and the temperature sensing unit 123 to form a directional airflow channel.

[0018] In some embodiments, the diversion structure 13 includes at least one diversion fan, which may be a miniature axial flow fan, model 3010. It can be fixed 15mm below the plate 121 by a plastic bracket, with its outlet oriented towards the sensing surfaces of the smoke sensing unit 122 and the temperature sensing unit 123. This accelerates the flow of the gas to be measured through the sensors, shortens the contact time between the smoke sensing unit 122 and the temperature sensing unit 123 and the smoke generated by the fire, thereby improving the sensitivity of the monitoring.

[0019] In some embodiments, the electrical monitor 1 further includes multiple air inlets 14 and a filter screen 19. The multiple air inlets 14 penetrate the bottom of the fixed housing 11. The air inlets 14 can be circular through holes, rectangularly arranged at the bottom of the fixed housing 11, and located directly below the smoke sensing unit 122 and the temperature sensing unit 123. The filter screen 19 can be disposed inside the air inlets 14. The filter screen 19 can be a stainless steel mesh, which can filter the gas entering the fixed housing 11, thereby achieving carbon monoxide concentration monitoring while reducing dust entering the fixed housing 11 and avoiding interference with the internal circuitry of the electrical monitor 1.

[0020] In some embodiments, the electrical monitor 1 further includes an air guide slot 15, an air guide hood 16, and multiple locking screws 17. The air guide slot 15 is coaxially disposed at the bottom of the fixed housing 11, and two parallel guide rails may be provided on the inner side of the slot wall. The cross-section may be T-shaped. The slot covers the area directly below the smoke sensing unit 122 and the temperature sensing unit 123. The air guide hood 16 may be an inverted rectangular housing, and a drainage structure 13 may be fixed in the top opening of the hood 16 by a bracket. Multiple locking screws 17 are provided through the side of the air guide hood 16 away from the smoke sensing unit 122. An air inlet 14 is provided, with a filter screen 19 inside. T-shaped sliding strips adapted to guide rails are provided on both sides of the air guide shroud 16, allowing it to slide along the air guide groove 15. One end of a locking screw 17 penetrates the side wall of the fixing housing 11 and is screwed into it. After tightening, the end of the screw abuts against the side wall of the air guide shroud 16, fixing its position. Four locking screws 17 can be used, the specific number depending on the actual situation, to ensure the stability of the air guide shroud 16 within the air guide groove 15. By adjusting the position of the air guide shroud 16 within the air guide groove 15, the overall height of the electrical monitor 1 can be adjusted, allowing for height adjustment according to the actual installation space, further improving monitoring response sensitivity.

[0021] In some embodiments, multiple ventilation holes are provided through the sidewalls of the air guide shroud 16 and the sidewalls of the fixed shell 11. The ventilation holes can be round holes and are distributed in a rectangular shape along the sidewalls of the air guide shroud 16 and the fixed shell 11. This ensures that air enters from the side of the fixed shell 11, achieves multi-angle air intake, and further improves the monitoring response sensitivity.

[0022] In some embodiments, the electrical monitor 1 further includes a wireless antenna 18, which can be vertically fixed in a threaded hole on the top of the mounting housing 11 via an SMA interface and electrically connected to a wireless communication module on the board 121. The wireless communication method can be any one of NB-IoT, GPRS, GSM, CDMA, 3G, and 4G, and can be selected according to the actual monitoring environment. The communication range of the wireless antenna 18 covers the gas extinguishing device 2 and the intelligent control terminal 3, and can support bidirectional data transmission, uploading monitoring data and receiving control commands. The wireless antenna 18 can be a foldable PCB antenna (a wireless communication device based on a printed circuit board). By folding, the height of the wireless antenna 18 can be reduced, thereby adapting to the installation requirements of confined spaces.

[0023] The specific working principle is as follows: Based on the top space of the cabinet to be installed, adjust the position of the air guide hood 16 within the air guide slot 15, lock it with the locking screw 17, and fix it to the top of the cabinet in the waiting environment with bolts, continuously monitoring the temperature and smoke levels in the environment in real time. The smoke sensing unit 122 and the temperature sensing unit 123 transmit the collected carbon monoxide concentration and temperature data to the signal processing chip, which compares and analyzes the real-time monitoring data with a set threshold. If the monitoring data exceeds the set threshold, a fire is determined to have occurred, and the electrical monitor 1 immediately transmits a fire signal to the gas extinguishing device 2 and the intelligent control terminal 3 via the wireless antenna 18.

[0024] The gas extinguishing device 2 can be fixed to flammable areas in enclosed or semi-enclosed spaces such as cabinets by adhesive. It connects wirelessly to the electrical monitor 1. Upon receiving a fire signal from the electrical monitor 1, the aerosol extinguishing device quickly activates, releasing aerosol extinguishing agent to extinguish the fire and prevent its spread. The technology of using an aerosol extinguishing device to receive signals and extinguish fires is existing technology.

[0025] The intelligent control terminal 3 receives real-time data uploaded by the electrical monitor 1 via wireless communication, including flue gas concentration, temperature, and equipment status, and displays it on an industrial-grade touchscreen for easy and intuitive understanding of the environmental conditions. Users can manually and remotely control the start and stop of the gas extinguishing device via the touchscreen. Simultaneously, the intelligent control terminal supports historical data retrieval, allowing users to access and analyze monitoring data from past periods at any time.

[0026] In the event of a fire, the intelligent control terminal 3 immediately activates the audible and visual alarm to alert personnel on site. Simultaneously, it wirelessly uploads real-time data on smoke, temperature, and other parameters monitored by the electrical monitor 1 to a cloud server. Furthermore, it can send remote alerts to relevant personnel via mobile phones, computers, and other terminal devices during a fire, ensuring timely response measures are taken.

[0027] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A wireless intelligent aerosol fire extinguishing device, characterized in that: Including electrical monitoring devices (1); A gas extinguishing device (2) is connected to the electrical monitor (1) via wireless communication. The intelligent control terminal (3) is connected to the electrical monitor (1) and the gas extinguishing device (2) via wireless communication. The electrical monitor (1) includes a fixed housing (11); Flue gas monitoring circuit board (12), the flue gas monitoring circuit board (12) is disposed inside the fixed housing (11); The diversion structure (13) is located inside the fixed shell (11) and is electrically connected to the flue gas monitoring circuit board (12), which can divert the gas outside the fixed shell (11) to the flue gas monitoring circuit board (12).

2. The wireless intelligent monitoring aerosol fire extinguishing device according to claim 1, characterized in that: The flue gas monitoring circuit board (12) includes a board body (121), which is disposed inside the fixed shell (11); A smoke sensing unit (122) is disposed on the plate (121); Temperature sensing unit (123) is provided on the plate (121), and the flow-guiding structure (13) is provided below the flue gas sensing unit (122) and the temperature sensing unit (123).

3. The wireless intelligent aerosol fire extinguishing device according to claim 2, characterized in that: The diversion structure (13) includes at least one diversion fan, and the outlets of the plurality of diversion fans are directed toward the flue gas sensing unit (122) and the temperature sensing unit (123).

4. The wireless intelligent monitoring aerosol fire extinguishing device according to claim 2, characterized in that: The electrical monitor (1) also includes multiple air inlets (14), which penetrate the bottom of the fixed housing (11) and are located below the flue gas sensing unit (122) and the temperature sensing unit (123); A filter screen (19) is disposed inside the air inlet (14).

5. A wireless intelligent aerosol fire extinguishing device according to claim 4, characterized in that: The electrical monitor (1) also includes an air guide slot (15), which is coaxially disposed at the bottom of the fixed housing (11) and covers the flue gas sensing unit (122) and the temperature sensing unit (123). The air guide hood (16) has the air diversion structure (13) on the side near the smoke sensing unit (122), and multiple air inlets (14) are provided on the side away from the smoke sensing unit (122), and the filter screen (19) is provided. The air guide hood (16) can be slidably disposed in the air guide groove (15). Multiple locking screws (17) are provided, one end of which passes through the side wall of the fixed shell (11) and abuts against the side wall of the air guide (16), and the locking screws (17) are screwed into the side wall of the fixed shell (11).

6. The wireless intelligent monitoring aerosol fire extinguishing device according to claim 5, characterized in that: Multiple ventilation holes are provided through the side wall of the air guide shroud (16).

7. The wireless intelligent monitoring aerosol fire extinguishing device according to claim 1, characterized in that: The electrical monitor (1) also includes a wireless antenna (18), which is fixed on the fixed housing (11) and electrically connected to the flue gas monitoring circuit board (12), and is connected to the gas extinguishing device (2) and the intelligent control terminal (3) via wireless communication.

8. The wireless intelligent monitoring aerosol fire extinguishing device according to claim 1, characterized in that: The wireless communication method is any one of NB-IoT, GPRS, GSM, CDMA, 3G, and 4G.

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