CN215961938U - Edge side initiative fire control monitoring devices and system - Google Patents
Edge side initiative fire control monitoring devices and system Download PDFInfo
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- CN215961938U CN215961938U CN202122416399.XU CN202122416399U CN215961938U CN 215961938 U CN215961938 U CN 215961938U CN 202122416399 U CN202122416399 U CN 202122416399U CN 215961938 U CN215961938 U CN 215961938U
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Abstract
The utility model discloses an edge side active fire-fighting monitoring device and a system, wherein the edge side active fire-fighting monitoring device comprises: the monitoring module is used for monitoring data related to triggering fire in the environment of the closed cabinet; the first MCU module and the control module are used for receiving the data monitored by the monitoring module and controlling the firing of the firing detonation device; the fire extinguishing device comprises a firing ignition device and fire extinguishing agents, wherein the firing ignition device is an electric heating device, after the electric heating device is fired, the electric heating device releases the fire extinguishing agents, and the fire extinguishing agents are used for extinguishing fire appearing in the environment of the sealed cabinet; and the first power supply module is used for supplying power to the monitoring module, the first MCU module, the control module and the electric heating device. The utility model can realize the technical effect of actively discovering or predicting fire-fighting hidden dangers and actively extinguishing fire when fire is possibly in the head.
Description
Technical Field
The utility model relates to the technical field of fire fighting monitoring, in particular to an edge side active fire fighting monitoring device and system.
Background
The current edge side fire-fighting facilities are mostly managed in an off-line mode, passive fire extinguishment is realized, in the practical use, even if safety management is in place, the fire-fighting facilities are found in time, and the loss of equipment and facilities is also inevitable after the fire is treated.
Through retrieval, the chinese patent document CN106251552A discloses a regional fire-fighting intelligent monitoring and alarming platform, which comprises a remote control center provided with a fire-fighting internet of things microprocessor unit, fire-fighting facilities, a fire-fighting facility monitoring module connected with each fire-fighting facility, a data transmission module, a meteorological information collection unit, a routing inspection device and a fire early warning unit, wherein the meteorological information collection unit is connected with the fire early warning unit, and the routing inspection device is wirelessly connected with the fire early warning unit; the fire-fighting equipment monitoring module and the fire early warning unit are respectively connected with the remote control center through the data transmission module. By adopting the structure and adopting the remote control center, the fire-fighting facilities, the fire-fighting facility monitoring module connected with each fire-fighting facility, the data transmission module, the meteorological information collection unit, the inspection device and the fire early warning unit, the intelligent fire-fighting equipment has the advantages of diversified alarm channels, comprehensive inspection directions, real-time uninterrupted inspection, high alarm release speed and high safety. The utility model mainly aims at the fire prevention of some major forest areas and mountainous regions. A weather information collecting unit is required.
Chinese patent document CN107238464A discloses a gas fire-fighting monitoring system based on the internet of things. The technical scheme is as follows: the internet of things user information device acquires information of a steel cylinder pressure gauge of a cylinder head valve arranged on a gas fire prevention and extinguishing agent container bottle through a video acquisition terminal, and the information is transmitted to the internet of things user information device to sense pressure change in a gas collecting pipe through a pressure sensor arranged on the gas collecting pipe; information is transmitted to the user information device of the Internet of things and is uploaded to the application platform of the Internet of things of the fire fighting facility for remote monitoring through the network layer. The system has the functions of automatic monitoring, pressure information acquisition, information transmission and pressure display. The utility model aims at a gas fire-fighting system, which is usually a heptafluoropropane gas fire-fighting system, an IG541 gas fire-fighting system, a carbon dioxide gas fire-fighting system and the like, and the pressure in a gas pipe network is monitored.
Chinese patent document CN213754561U discloses a pipeline fire extinguishing system based on internet of things, including cloud platform, fire control monitoring platform, intelligent mobile terminal, fire control equipment, distribution monitoring equipment and alarm device, cloud platform passes through NB-IoT module communication with distribution monitoring equipment and is connected, data signal after cloud platform will handling sends the fire control monitoring platform, fire control monitoring platform sends alarm signal or fault signal to intelligent mobile terminal through communication module, and control fire control equipment and alarm device work, the controller interconnect of each fire control equipment, can the mutual linkage between the equipment. The utility model discloses a detection parameter is diversified, and linkage nature is strong between the fire-fighting equipment and between fire-fighting equipment and the alarm device, and has the independence between the equipment, has improved the flexibility and the stability of system. The utility model discloses a pipeline fire control to pipeline company's pipeline transmission line monitors.
Active fire control monitoring aiming at the environment of the closed cabinet is not found at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an edge-side active fire monitoring device and system, which are used for active fire monitoring in a closed cabinet environment, actively discovering or predicting fire hazards, and actively extinguishing a fire when a fire is likely to occur.
The adopted technical scheme is as follows:
the utility model discloses an edge side active fire-fighting monitoring device, which comprises:
the monitoring module is used for monitoring data related to triggering fire in the environment of the closed cabinet;
the first MCU module and the control module are used for receiving the data monitored by the monitoring module and controlling the firing of the firing detonation device;
the fire extinguishing device comprises a firing ignition device and fire extinguishing agents, wherein the firing ignition device is an electric heating device, after the electric heating device is fired, the electric heating device releases the fire extinguishing agents, and the fire extinguishing agents are used for extinguishing fire appearing in the environment of the sealed cabinet;
and the first power supply module is used for supplying power to the monitoring module, the first MCU module, the control module and the electric heating device.
Furthermore, the closed cabinet comprises a file cabinet, a bookcase, a power distribution switch cabinet and an energy storage battery container.
Further, when the closed cabinet is a file cabinet, a file cabinet or a book collection cabinet, the monitoring module is a temperature and humidity sensor; when the closed cabinet is a power distribution switch cabinet, the monitoring module is an partial discharge monitoring sensor, a partial discharge monitor interface and a temperature and humidity sensor; when the closed cabinet is an energy storage battery container, the monitoring module is a battery pack monitoring sensor, a partial discharge monitor interface, a temperature and humidity sensor and a container access control.
Further, the electric heating device is a ceramic heating wire, and the ceramic heating wire is directly connected with an opening of the fire extinguishing agent; or the ceramic electric heating wire is connected with the opening of the fire extinguishing agent through a heating lead.
Further, the first power module is a dry battery or a lithium battery.
Further, the edge side active fire monitoring device further comprises:
and the first Bluetooth module is electrically connected with the first MCU module.
Further, the edge side active fire monitoring device further comprises:
and the first RS-485 module is electrically connected with the first MCU module.
The utility model discloses an edge side active fire-fighting monitoring system, which comprises:
the edge side active fire-fighting main control device comprises a second Bluetooth module, a second RS-485 module, a second MCU module, a second power module and a watchdog, wherein the second Bluetooth module, the second RS-485 module and the watchdog are respectively and electrically connected with the second MCU module; the second power supply module is used for supplying power to the second Bluetooth module, the second RS-485 module, the second MCU module and the watchdog;
according to the edge side active fire monitoring device, the first Bluetooth module is in wireless connection with the second Bluetooth module, or the first RS-485 module is in wired connection with the second RS-485 module.
Furthermore, the edge side active fire-fighting main control device further comprises a communication module, and the communication module is electrically connected with the second MCU module.
Further, the edge side active fire monitoring system further comprises:
and the industrial Internet of things cloud platform is in communication connection with the communication module of the edge side active fire-fighting main control device.
The utility model has the beneficial effects that:
according to the edge side active fire monitoring device, data monitoring related to fire triggering in a closed cabinet environment is achieved through a monitoring module, a fire seedling is found through the data monitoring, when data abnormity or abrupt change occurs, an electric heating device is struck, the electric heating device releases fire extinguishing agents, and the fire extinguishing agents extinguish possible flames in the closed cabinet environment; the fire-fighting hidden danger can be actively discovered or predicted, and the fire can be actively extinguished when the fire is likely to appear.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an edge side active fire monitoring device according to embodiment 1.
Fig. 2 is a partial structural schematic view of an edge side active fire monitoring device according to an embodiment of embodiment 1.
Fig. 3 is a partial structural schematic view of an edge side active fire monitoring device according to another embodiment of example 1.
Fig. 4 is a schematic structural diagram of an edge-side active fire monitoring system according to embodiment 2.
Fig. 5 is a schematic structural diagram of an edge-side active fire monitoring device according to embodiment 3.
Fig. 6 is a schematic structural diagram of an edge-side active fire monitoring device according to embodiment 5.
Detailed Description
The present invention is described in detail below with reference to specific examples, but the use and purpose of these exemplary embodiments are merely to exemplify the present invention, and do not set forth any limitation on the actual scope of the present invention in any form, and the scope of the present invention is not limited thereto.
Example 1
Referring to fig. 1, the edge side active fire monitoring device of the present embodiment includes a monitoring module, a first MCU module 102, a control module 103, a firing initiator 104, a fire extinguishing agent 105, and a first power module 106.
The monitoring module is used for monitoring data related to triggering fire in the environment of the closed cabinet;
the first MCU module 102 and the control module 103 are used for receiving data monitored by the monitoring module and controlling the firing of the firing detonation device;
the fire extinguishing system comprises a firing ignition device 104 and fire extinguishing agents 105, wherein the firing ignition device 104 is an electric heating device, after the electric heating device is fired, the electric heating device releases the fire extinguishing agents, and the fire extinguishing agents are used for extinguishing fire appearing in the environment of the sealed cabinet;
a first power module 106 for supplying power to the monitoring module, the first MCU module 102, the control module 103 and the electric heating device.
In this embodiment, the sealed cabinet is a file cabinet, a filing cabinet or a book-storing cabinet, and the monitoring module is a temperature and humidity sensor 101.
The electric heating device can be a ceramic heating wire 104', and can also be a plurality of common nickel alloy heating wires, stainless steel heating wires, titanium alloy heating wires and the like. The electric heating device of the embodiment selects a ceramic heating wire. The ceramic electric heating wire is directly connected with the opening of the fire extinguishing agent; or the ceramic electric heating wire is connected with the opening of the fire extinguishing agent through the temperature rising lead wire.
The first power module of this embodiment is dry battery or lithium cell, does not have fire control hidden danger power like this, can support long period usage. The fire extinguishing agent mainly comprises non-toxic and residue-free agents such as aerosol, inert gas and the like.
Referring to fig. 2 and 3, the firing initiator 104 (i.e., an electrical heating device) is a controlled device that relies on electrical heating for firing. Specifically, the firing ignition device ignites the fire extinguishing agent by means of the ignition temperature formed by instantaneous heating of the ceramic heating wire piece, and at the moment, the ceramic heating wire 104' is directly connected with the opening of the fire extinguishing agent 105; if the initiation temperature of the fire extinguishing agent is higher, a lead wire which can be ignited and rapidly burned is added, and the higher ignition point is reached through the burning of the lead wire, so that the fire extinguishing agent is detonated, and at the moment, the ceramic heating wire 104' is connected with the opening of the fire extinguishing agent 105 through the heating lead wire 145.
Then, after the fire extinguishing agent is ignited, the fire extinguishing agent and air are subjected to chemical reaction to release and generate aerosol and inert gas at a high speed, and combustible and combustion-supporting elements such as oxygen in the air are quickly consumed or combined, so that the purpose of extinguishing fire is achieved.
Therefore, the edge side active fire monitoring device realizes data monitoring related to triggering fire in the closed cabinet environment through the monitoring module, finds the fire seedling through the data monitoring, and hits the electric heating device when data abnormity or abrupt change occurs, the electric heating device releases fire extinguishing agent, and the fire extinguishing agent extinguishes the fire which possibly occurs in the closed cabinet environment; the fire-fighting hidden danger can be actively discovered or predicted, and the fire can be actively extinguished when the fire is likely to appear.
Of course, the fire suppressant agent may also be compatible with the passive release mode. When open fire exists, the fire extinguishing agent is ignited by the open fire or the lead is ignited by the open fire, so that the fire extinguishing agent is released, and the purpose of extinguishing fire is achieved.
The file cabinet, the file cabinet or the book cabinet in this embodiment are mainly used for storing documents, notes, optical disks, and the like of paper or combustible media, and are sensitive to the temperature and humidity of the environment. Therefore, the monitoring module mainly adopts a temperature and humidity sensor.
The first MCU module and the control module can both adopt chips. There are also corresponding chips available on the market, including but not limited to, for example, using model STC90C52RC, STM32, etc. Adopt two chips of control module and first MCU, can divide the labour to use, for example make control module be exclusively used in the inside control of edge side initiative fire control monitoring devices and use, make first MCU module be compatible with outside control and use. When the data is abnormal, the electric heating device is triggered to work and is triggered by the control module. This is not a procedural improvement, but a structural improvement, which is directed to the structural design of the containment cabinet, and the triggering is an electrical heating device, which then detonates the extinguishing agent.
The edge side active fire monitoring device is triggered by internal direct control, namely, internal active fire monitoring.
In a preferred embodiment, the edge side active fire monitoring device further comprises: and a first bluetooth module 107 electrically connected to the first MCU module 102. Further, the edge side active fire monitoring device further comprises: and the first RS-485 module 108 is electrically connected with the first MCU module 102. Therefore, the Bluetooth module and/or the RS-485 module can be in communication connection with the outside.
Example 2
Based on embodiment 1, referring to fig. 4, an edge side active fire monitoring system of this embodiment includes an edge side active fire fighting master 200 and an edge side active fire fighting monitoring device 100 of embodiment 1.
The edge side active fire-fighting main control device 200 comprises a second Bluetooth module 201, a second RS-485 module 202, a second MCU module 203, a second power module 204 and a watchdog 205, wherein the second Bluetooth module 201, the second RS-485 module 202 and the watchdog 205 are respectively and electrically connected with the second MCU module 203; the second power module 204 is used for supplying power to the second bluetooth module 201, the second RS-485 module 202, the second MCU module 203 and the watchdog 205.
The first bluetooth module 201 of the edge side active fire monitoring device 200 is wirelessly connected with the second bluetooth module 107 of the edge side active fire-fighting main control device 100, or the first RS-485 module 108 of the edge side active fire-fighting monitoring device 200 is in wired connection with the second RS-485 module 202 of the edge side active fire-fighting main control device 200. The edge side active fire-fighting main control module can be wirelessly connected with more than 2 edge side active fire-fighting monitoring devices through Bluetooth or connected with a plurality of edge side active fire-fighting monitoring devices through RS-485 wires, so that multipoint monitoring and active fire fighting in the cabinet body are realized.
As a preferred embodiment, the edge side active fire-fighting main control device further includes a communication module 206, and the communication module is electrically connected to the second MCU module. The communication module includes, but is not limited to, for example, WIFI, NB-IOT wireless communication connections.
As a further preferred embodiment, the edge side active fire monitoring system further comprises:
the industrial internet of things cloud platform 300 (hereinafter referred to as a cloud platform) is in communication connection with the communication module 206 of the edge side active fire-fighting main control device 200.
The watchdog, also called watchdog, is essentially a timer circuit, typically having an input, called feeding dog, and an output, typically connected to the reset terminal of the other part, typically to the second MCU block. The watchdog has the function of regularly checking the internal condition of the chip, and sending a restart signal to the chip of the second MCU module once an error occurs.
The second MCU module is still available with corresponding chips on the market including, but not limited to, for example, chips in the STM32 family.
The edge side active fire-fighting main control module can respectively realize satellite positioning (Beidou, GPS and Glonass) and base station positioning (LBS-Location Based Service) through the functional configuration of different models of chips of the second MCU module.
In a preferred embodiment, after the cloud platform is introduced, the active fire protection triggering temperature of the edge side active fire protection monitoring device can be set online through the cloud platform, so that the false operation of edge side fire protection is prevented, or loss expansion is caused by action delay.
After the cloud platform is introduced, the cloud platform can perform various data statistical analysis according to the data monitored by the temperature and humidity sensor modules, and can also introduce an artificial intelligence technology to perform data mining in the later period, so that fire-fighting hidden dangers can be actively discovered or predicted, and owners can be reminded to actively intervene.
After the cloud platform is introduced, the edge side active fire-fighting monitoring device in the implementation scene of the file cabinet, the file cabinet or the book collection cabinet is a resident fire-fighting monitoring facility, environmental data collected by the temperature and humidity sensor is uploaded to the cloud platform in time, the cloud platform performs daily analysis on the microenvironment of the implementation scene, fire-fighting hidden dangers can be found in time, improvement requirements can be provided for storage conditions, if paper storage objects are sensitive to humidity, mildew conditions possibly existing in some file cabinets can be found through data analysis, and managers are reminded to pay attention to the situation in time.
After the cloud platform is introduced, if the temperature mutation occurs in the implementation scene of the file cabinet, the file cabinet or the book collection cabinet, the temperature is reported to the cloud platform immediately to remind managers of paying attention, and the edge side active fire monitoring device detonates fire extinguishing agents through the control module and the triggering and detonating device when the temperature is rapidly raised to an action triggering point of active fire fighting, so that the rapid fire extinguishing is realized, and the loss is reduced to the minimum level.
After the cloud platform is introduced, the whole system can achieve active defense around edge side fire-fighting facilities, online management is achieved, and a more complete edge side active fire-fighting monitoring application technical scheme is formed by utilizing technologies such as an industrial internet of things, temperature and humidity sensors, satellite positioning (Beidou, GPS and Glonass), base station positioning (LBS-Location Based Service) and the like.
Example 3
Referring to embodiment 1, different from embodiment 1, referring to fig. 5, the enclosed cabinet of this embodiment is a power distribution switchgear, and the monitoring modules are an partial discharge monitoring sensor 109, a partial discharge monitor interface 110, and a temperature and humidity sensor 101.
The implementation scene of the power distribution switch cabinet is mainly a primary equipment environment of strong-current switching action, and potential fire hazards can be caused by aging of contact equipment such as a circuit breaker and the like and thermal deformation of a silicon steel sheet. Therefore, the monitoring module is provided with an partial discharge monitoring sensor, a partial discharge monitor interface and a temperature and humidity sensor. Wherein the partial discharge monitor interface can be connected with a partial discharge monitor.
The partial discharge monitoring sensor is also called partial discharge monitoring sensor, partial discharge detection sensor and partial discharge detector, and the partial discharge monitoring sensor is available in the market at present.
Example 4
On the basis of embodiment 3, refer to embodiment 2, after introducing the cloud platform, this distribution cubical switchboard implement the edge side initiative fire control monitoring devices under the scene for resident formula fire control monitoring facilities, daily in time with the environmental data upload cloud platform of partial discharge (electric arc) phenomenon, temperature and humidity sensor collection, carry out daily analysis by the microenvironment of cloud platform to this implementation scene, can in time discover fire control hidden danger, more can put forward the improvement demand for the operating condition of distribution cubical switchboard, remind managers in time to pay close attention to and disappear.
If the temperature mutation happens in the implementation scene of the distribution switch cabinet, except reporting to the cloud platform immediately to remind managers to pay attention to the cloud platform, the edge side active fire-fighting monitoring device can detonate fire-extinguishing agents through the control module and the triggering detonation device when the temperature rises to the action trigger point of active fire-fighting quickly, so that the fire can be extinguished quickly, and the loss is reduced to the lowest level.
Example 5
Referring to embodiment 1, different from embodiment 1, referring to fig. 6, when the closed cabinet of this embodiment is an energy storage battery container, the monitoring modules are a battery pack monitoring sensor 111, an partial discharge monitoring sensor 109, an partial discharge monitor interface 110, a temperature and humidity sensor 101, and a container door access 112.
The implementation scene of the energy storage battery container is mainly a strong electric equipment environment for energy storage and discharge application of the container type battery stack, is used for wind power generation, solar power generation, energy storage by using low-price time interval electricity price-high-price time interval peak discharge operation and other scenes, and has potential fire fighting hazards caused by battery pack faults, ageing of contact equipment such as a circuit breaker and the like, thermal deformation of silicon steel sheets and the like. Therefore, the monitoring module is provided with a battery pack monitoring sensor, a partial discharge monitor interface, a temperature and humidity sensor and a container access control. The partial discharge monitor interface can be connected with a partial discharge monitor. The container door access is used to collect opening or closing information of the container door. Battery pack monitoring sensors are used to monitor the status of energy storage cells (e.g., batteries).
Example 6
On the basis of embodiment 3, referring to embodiment 2, after the cloud platform is introduced, the edge side active fire monitoring device in the implementation scene of the energy storage battery container is a resident fire monitoring facility, the battery pack detection state, the partial discharge (arc) phenomenon and the environmental data collected by the temperature and humidity sensor are uploaded to the cloud platform in time, the cloud platform performs daily analysis on the microenvironment of the implementation scene, the fire hazard can be found in time, the improvement requirement can be provided for the operation condition of the energy storage battery container, and managers are reminded to pay attention to and eliminate defects in time.
If the temperature mutation happens in the implementation scene of the energy storage battery container, the management personnel are reminded of paying attention except reporting to the cloud platform immediately, the edge side active fire protection monitoring device can detonate fire extinguishing agents through the control module and the triggering igniter to realize quick fire extinguishing and reduce the loss to the minimum level when the temperature is quickly raised to the action triggering point of active fire protection.
In addition, the internal volume of the energy storage battery container is large, the number of devices such as a battery pack and a power distribution/inversion facility is large, a plurality of edge side active fire monitoring devices can be combined in an RS-485 wired connection mode, and resident online monitoring of more devices is achieved with low cost.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an edge side initiative fire control monitoring devices which characterized in that includes:
the monitoring module is used for monitoring data related to triggering fire in the environment of the closed cabinet;
the first MCU module and the control module are used for receiving the data monitored by the monitoring module and controlling the firing of the firing detonation device;
the fire extinguishing device comprises a firing ignition device and fire extinguishing agents, wherein the firing ignition device is an electric heating device, after the electric heating device is fired, the electric heating device releases the fire extinguishing agents, and the fire extinguishing agents are used for extinguishing fire appearing in the environment of the sealed cabinet;
and the first power supply module is used for supplying power to the monitoring module, the first MCU module, the control module and the electric heating device.
2. An edge side active fire monitoring device as recited in claim 1 wherein the enclosed cabinet is a filing cabinet, a bookcase, a power distribution switch cabinet, and an energy storage battery container.
3. An edge side active fire monitoring device according to claim 2, wherein when the closed cabinet is a file cabinet, a filing cabinet or a book-hiding cabinet, the monitoring module is a temperature and humidity sensor; when the closed cabinet is a power distribution switch cabinet, the monitoring module is an partial discharge monitoring sensor, a partial discharge monitor interface and a temperature and humidity sensor; when the closed cabinet is an energy storage battery container, the monitoring module is a battery pack monitoring sensor, a partial discharge monitor interface, a temperature and humidity sensor and a container access control.
4. An edge-side active fire monitoring device as recited in claim 1 wherein the electrical heating device is a ceramic heating wire that is directly connected to an opening for fire suppressant agent; or the ceramic electric heating wire is connected with the opening of the fire extinguishing agent through a heating lead.
5. An edge-side active fire monitoring device as claimed in claim 1, wherein the first power module is a dry cell or a lithium cell.
6. An edge side active fire monitoring device as recited in claim 1 further comprising:
and the first Bluetooth module is electrically connected with the first MCU module.
7. An edge side active fire monitoring device as recited in claim 6 further comprising:
and the first RS-485 module is electrically connected with the first MCU module.
8. An edge side active fire monitoring system, comprising:
the edge side active fire-fighting main control device comprises a second Bluetooth module, a second RS-485 module, a second MCU module, a second power module and a watchdog, wherein the second Bluetooth module, the second RS-485 module and the watchdog are respectively and electrically connected with the second MCU module; the second power supply module is used for supplying power to the second Bluetooth module, the second RS-485 module, the second MCU module and the watchdog;
the edge side active fire monitoring device of claim 7, wherein the first bluetooth module is wirelessly connected to the second bluetooth module, or the first RS-485 module is wired to the second RS-485 module.
9. An edge side active fire monitoring system according to claim 8, wherein the edge side active fire fighting master control device further comprises a communication module, and the communication module is electrically connected to the second MCU module.
10. An edge side active fire monitoring system as recited in claim 9 further comprising:
and the industrial Internet of things cloud platform is in communication connection with the communication module of the edge side active fire-fighting main control device.
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