CN116328242A - Fire-fighting system and method based on micro-photovoltaic power supply and micro-distance positioning function - Google Patents

Abstract

The invention discloses a fire-fighting system and method based on micro-photovoltaic power supply and a micro-distance positioning function, and belongs to the technical field of fire-fighting. The system comprises: the system comprises a collection sensing module, a risk prediction module, a fire-fighting auxiliary module, a micro photovoltaic power supply module, a fire extinguishing module, an alarm module and a lighting module; the acquisition sensing module monitors a fire scene to obtain a fire scene image and carries out macro positioning on risk points; the risk prediction module predicts a fire occurrence level; the fire-fighting auxiliary module makes a fire-fighting plan; the micro photovoltaic power supply module is used for switching the power supply mode of the main power supply based on a fire control plan; the fire extinguishing module, the alarm module and the illumination module respectively comprise a plurality of fire extinguishing devices, indication lamps, audible and visual alarm devices and illumination display devices, and each fire extinguishing node is provided with a fire extinguishing device, a corresponding indication lamp, an audible and visual alarm device and an illumination display device. The fire-fighting system has good stability and reliability, and is beneficial to personnel evacuation from a fire scene.

Description

Fire-fighting system and method based on micro-photovoltaic power supply and micro-distance positioning function

Technical Field

The invention relates to the technical field of fire protection, in particular to a fire protection system and method based on micro-photovoltaic power supply and micro-distance positioning functions.

Background

Fire is generally a fire in which a small fire gradually develops and spreads into a large fire, eventually forming a fire. Immediate control of a small fire is critical to effectively prevent a fire from occurring.

Most of the fire protection systems in the prior art are powered by a power grid, but when a line fails, a trip is caused to power off, and the power supply of the fire protection system cannot be ensured under the condition, so that the fire protection system cannot timely perform fire early warning and timely fire protection treatment. In the second case, electric leakage may occur after a fire disaster, because the electric insulation is damaged or the live wire is broken and grounded, step voltage and contact voltage may exist in a certain range, and if the operation and maintenance personnel put out a fire on the roof, electric shock accidents may be caused. Meanwhile, the traditional fire-fighting system judges whether fire disasters happen or not by the aid of smoke, all small fires cannot reach starting operation conditions of the traditional fire-fighting system at all, and huge investment of traditional fire fighting is caused, but the traditional fire-fighting system is almost impractical. Therefore, the existing fire-fighting system has great potential safety hazard.

In summary, how to provide a fire protection system and method based on micro photovoltaic power supply and micro distance positioning function is a problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, the present invention provides a fire protection system and method based on micro photovoltaic power supply and micro distance positioning function, which are used for solving the technical problems in the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

in one aspect, the present invention provides a fire protection system based on micro photovoltaic power supply and micro distance positioning functions, comprising: the system comprises a collection sensing module, a risk prediction module, a fire-fighting auxiliary module, a micro photovoltaic power supply module, a fire extinguishing module, an alarm module and a lighting module;

wherein, the liquid crystal display device comprises a liquid crystal display device,

the acquisition sensing module is used for installing an acquisition sensing device on each fire control node, monitoring a fire control site to obtain a fire control site image, and performing macro positioning on risk points in the fire control site image;

the risk prediction module predicts the fire occurrence level based on the macro positioning result;

the fire control auxiliary module is used for making a fire control plan according to the predicted fire occurrence level;

the micro photovoltaic power supply module is used for switching a main power supply mode based on a fire control plan;

the fire extinguishing module comprises a plurality of fire extinguishing devices and indication lamps, each fire extinguishing node is provided with the fire extinguishing device and the corresponding indication lamp, and corresponding actions are carried out based on the fire control plan;

the alarm module comprises a plurality of audible and visual alarm devices, each fire-fighting node is provided with the audible and visual alarm device, and corresponding alarm prompts are carried out based on the fire-fighting plan;

the lighting module comprises a plurality of lighting display devices, each fire control node is provided with the lighting display device, and the lighting display devices carry out corresponding light display prompts based on the fire control plan.

Preferably, the acquisition sensing module includes:

the high-definition camera monitors the fire scene in real time to obtain a fire scene image;

the risk point checking unit is used for preprocessing the fire scene image and checking whether the fire scene image has risk points or not;

and the macro positioning unit is used for macro positioning the positions of the risk points.

Preferably, the risk point investigation unit includes:

acquiring a plurality of fire images, setting a unique corresponding tag for any fire image, wherein the tag corresponds to a red channel image R (x _i ,y _i )、Green channel image G (x _i ,y _i ) And blue channel image B (x _i ,y _i ) Performing RGB three-channel fitting to obtain a fire training sample data set:

I(x _i ,y _i )＝{k ₁ ×R(x _i ,y _i )+k ₂ ×G(x _i ,y _i )+k ₃ ×B(x _i ,y _i )|k∈[-2 -1 0 1 2]}；

in (x) _i ,y _i ) For monitoring fire scene images, I (x _i ,y _i ) Fitting an image set to the monitored fire scene image, R (x _i ,y _i )、G(x _i ,y _i )、B(x _i ,y _i ) Respectively a red channel image, a green channel image and a blue channel image of a fire scene image in RGB color space, wherein k is a fitting coefficient, and k=k ₁ ，k ₂ ，k ₃ The method comprises the steps of carrying out a first treatment on the surface of the Wherein k is ₁ 、k ₂ 、k ₃ Respectively training sample images (x _i ,y _i ) Fitting coefficients of images of three channels R, G and B;

constructing a neural network model, and training and testing the neural network model based on a fire training sample data set to obtain a fire risk point investigation network model;

and inputting the preprocessed image into the fire risk point checking network model, and outputting whether a risk point result exists, wherein 0 represents absence and 1 represents presence.

Preferably, the macro positioning unit includes:

when a fire scene image has a risk point, framing the fire scene image to obtain a first pixel point corresponding to a flame color pixel value;

and determining an area corresponding to the fire scene image framing of the first pixel point as a risk point area.

Preferably, the risk prediction module includes:

calculating the pixel proportion of an R value, a G value and a B value in a risk point area under the macro positioning;

if the pixel ratio of R value > (the pixel ratio of G value+the pixel ratio of B value), determining that the first-level risk exists;

if the pixel ratio of B value > (the pixel ratio of A value+the pixel ratio of B value), it is determined that there is a secondary risk.

Preferably, the fire-fighting auxiliary module includes:

the primary fire-fighting unit is triggered when primary risks exist, and positions a primary risk position place after triggering, drives the micro-photovoltaic power supply module to switch a primary power supply mode, drives an audible and visual alarm device of the primary risk position place and drives the lighting module to prompt a specific position of the fire-extinguishing device of the primary risk position place;

the secondary fire control unit is triggered when the secondary risk exists, the place where the secondary risk occurs is located after triggering, an escape route is formulated based on the place where the secondary risk occurs, the micro-photovoltaic power supply module is driven to switch a secondary power supply mode, the audible and visual alarm device of the place where the secondary risk occurs is driven, and the lighting module is driven to prompt the escape route.

Preferably, the micro photovoltaic power supply module includes:

the photovoltaic unit consists of a plurality of photovoltaic power generation arrays which are arranged in parallel;

the conversion unit is used for converting solar energy received by the photovoltaic power generation array into electric energy;

the energy storage unit is used for storing electric energy;

and the control unit is used for switching the power supply mode.

Preferably, the primary power supply mode is: and cutting off the ground load power supply at the primary risk position, and supplying power to each module of the fire protection system by using the energy storage unit.

Preferably, the secondary power supply mode is: and cutting off a ground load power supply at the secondary risk position, and supplying power to the alarm module and the lighting module by using the energy storage power supply.

On the other hand, the invention provides a fire-fighting method based on micro-photovoltaic power supply and micro-distance positioning functions, which comprises the following steps:

installing a collecting and sensing device on each fire control node, monitoring a fire control site to obtain a fire control site image, and performing macro positioning on risk points in the fire control site image;

predicting a fire occurrence level based on the macro positioning result;

a fire control plan is formulated according to the predicted fire occurrence level;

switching a total power supply mode based on a fire control plan;

controlling a fire extinguishing device installed at a fire control node and a corresponding indicator lamp according to a fire control plan;

controlling an audible and visual alarm device installed on a fire node according to a fire control plan;

and controlling the lighting display device installed on the fire control node according to the fire control plan.

According to the technical scheme, compared with the prior art, the invention discloses the fire-fighting system and the method based on the micro-photovoltaic power supply and the micro-distance positioning function, firstly, the invention can rapidly and effectively detect the occurrence of a fire disaster at a fire scene, further judge the risk level when the risk point exists, and carry out fire control through different risk levels, thereby being beneficial to personnel to evacuate the fire scene in time, reducing the burden of fire fighters, facilitating the timely discovery and treatment of the disaster condition, and having good stability, reliability and timeliness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a system architecture of the present invention;

FIG. 2 is a schematic flow chart of the method of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, the embodiment of the invention discloses a fire protection system based on micro photovoltaic power supply and micro distance positioning functions, which comprises: the system comprises a collection sensing module, a risk prediction module, a fire-fighting auxiliary module, a micro photovoltaic power supply module, a fire extinguishing module, an alarm module and a lighting module;

wherein, the liquid crystal display device comprises a liquid crystal display device,

the system comprises a fire control site image acquisition and sensing module, a fire control site image acquisition and sensing module and a fire control site image acquisition and sensing module, wherein each fire control node is provided with an acquisition and sensing device for monitoring the fire control site, and performing macro positioning on risk points in the fire control site image;

the risk prediction module predicts the fire occurrence level based on the macro positioning result;

the fire control auxiliary module is used for making a fire control plan according to the predicted fire occurrence level;

the micro photovoltaic power supply module is used for switching the power supply mode of the main power supply based on a fire control plan;

the fire extinguishing module comprises a plurality of fire extinguishing devices and indication lamps, each fire extinguishing node is provided with a fire extinguishing device and a corresponding indication lamp, and corresponding actions are performed based on a fire control plan;

the alarm module comprises a plurality of audible and visual alarm devices, each fire-fighting node is provided with an audible and visual alarm device, and corresponding alarm prompts are carried out based on a fire-fighting plan;

the lighting module comprises a plurality of lighting display devices, each fire control node is provided with a lighting display device, and the lighting display devices carry out corresponding light display prompts based on a fire control plan.

Specifically, the invention can be applied to fire protection in different scenes, such as power plants, power distribution stations and the like, and the application scene of the embodiment is the fire of the power distribution stations.

Specifically, divide into different fire control nodes with every block terminal room, all install in every block terminal room and gather perception device, all install fire extinguishing module, alarm module and lighting module outside every block terminal room.

More specifically, to save cost, two distribution rooms or fire nodes may be divided according to areas, so that each module of the fire protection system is correspondingly disposed.

In a specific embodiment, the acquisition perception module comprises:

the high-definition camera monitors the fire scene in real time to obtain a fire scene image;

the risk point checking unit is used for preprocessing the fire scene image and checking whether the fire scene image has risk points or not;

and the macro positioning unit is used for macro positioning the positions of the risk points.

Specifically, the model of high definition digtal camera is: IR8501 can truly restore the color, easily capture fine tone change, improve the fineness of video images, and enable the lens to be freely adjusted and easily sense the on-site state.

In a specific embodiment, the risk point investigation unit comprises:

acquiring a plurality of fire images, setting a unique corresponding tag for any fire image, wherein the tag corresponds to a red channel image R (x _i ,y _i ) Green channel image G (x _i ,y _i ) And blue channel image B (x _i ,y _i ) Performing RGB three-channel fitting to obtain a fire training sample data set:

I(x _i ,y _i )＝{k ₁ ×R(x _i ,y _i )+k ₂ ×G(x _i ,y _i )+k ₃ ×B(x _i ,y _i )|k∈[-2 -1 0 1 2]}；

in (x) _i ,y _i ) For monitoring fire scene images, I (x _i ,y _i ) Fitting an image set to the monitored fire scene image, R (x _i ,y _i )、G(x _i ,y _i )、B(x _i ,y _i ) Respectively a red channel image, a green channel image and a blue channel image of a fire scene image in RGB color space, wherein k is fitCoefficient, k=k ₁ ，k ₂ ，k ₃ The method comprises the steps of carrying out a first treatment on the surface of the Wherein k is ₁ 、k ₂ 、k ₃ Respectively training sample images (x _i ,y _i ) Fitting coefficients of images of three channels R, G and B;

constructing a neural network model, and training and testing the neural network model based on a fire training sample data set to obtain a fire risk point investigation network model;

and inputting the preprocessed image into a fire risk point checking network model, and outputting whether a risk point result exists, wherein 0 represents absence and 1 represents presence.

Specifically, the constructed neural network model comprises 4 stages, 3 full-connection layers and a Softmax output layer;

the 4 stages comprise 9 convolution layers and 4 pooling layers, wherein Stage1 comprises 2 convolution layers and 1 pooling layer, each convolution layer has a convolution kernel of 3*3, each convolution layer has a depth of 64, each convolution layer has a step size of 1*1, the pooling layer filter has a step size of 2 x 2, and the pooling layer has a step size of 2 x 2; stage2 comprises 2 convolution layers and 1 pooling layer, wherein each convolution layer has a convolution kernel 3*3, each convolution layer has a depth 128, each convolution layer has a step size 1*1, the pooling layer filter has a step size of 2 x 2, and the pooling layer has a step size of 2 x 2; stage3 comprises 2 convolution layers and 1 pooling layer, each convolution layer has a convolution kernel 3*3, each convolution layer has a depth of 256, each convolution layer has a step size 1*1, the pooling layer filter has a step size of 2 x 2, and the pooling layer has a step size of 2 x 2; stage4 comprises 3 convolutional layers and a pooling layer, each convolutional layer has a convolutional kernel 3*3, each convolutional layer has a depth 512, each convolutional layer has a step size 1*1, the pooling layer filter has a step size of 2 x 2, and the pooling layer has a step size of 2 x 2.

When the classification result is 0, obtaining a result that no risk point exists in the fire scene;

and when the classification result is 1, obtaining a fire scene risk point result.

Through the technical scheme, the detection result of the risk points in the fire scene is obtained, the expansion of the fire disaster of the target area is not required to be waited, the initial condition of the fire disaster can be timely detected, the detection speed of the fire disaster of the target area is high, the detection effect is good, and the fire disaster detection is timely.

In a specific embodiment, the macro positioning unit comprises:

when a fire scene image has a risk point, framing the fire scene image to obtain a first pixel point corresponding to a flame color pixel value;

and determining an area corresponding to the fire scene image framing of the first pixel point as a risk point area.

In one particular embodiment, the risk prediction module includes:

calculating the pixel proportion of an R value, a G value and a B value in a risk point area under the macro positioning;

if the pixel ratio of R value > (the pixel ratio of G value+the pixel ratio of B value), determining that the first-level risk exists;

if the pixel ratio of B value > (the pixel ratio of A value+the pixel ratio of B value), it is determined that there is a secondary risk.

Specifically, if the R value pixel ratio > (G value pixel ratio+b value pixel ratio) is such that the flame color is mainly red and a red flame is generated, the flame is not completely burned, and it is determined that there is a first-order risk.

If the pixel ratio of B value > (pixel ratio of a value+pixel ratio of B value), the flame color is mainly blue, and the temperature at which the blue flame is generated is higher than the temperature at which the red flame is generated, and the blue flame is a flame that is sufficiently burned, and the fuel exhibits the largest effect and the temperature is the highest, and therefore, it is determined that the secondary risk exists.

In one particular embodiment, the fire assistance module includes:

the primary fire-fighting unit is triggered when primary risks exist, and positions a primary risk position place after triggering, drives the micro-photovoltaic power supply module to switch a primary power supply mode, drives an audible and visual alarm device of the primary risk position place and drives the lighting module to prompt a specific position of the fire-extinguishing device of the primary risk position place;

the secondary fire control unit is triggered when the secondary risk exists, the place where the secondary risk occurs is located after triggering, an escape route is formulated based on the place where the secondary risk occurs, the micro-photovoltaic power supply module is driven to switch a secondary power supply mode, the audible and visual alarm device of the place where the secondary risk occurs is driven, and the lighting module is driven to prompt the escape route.

Specifically, the audible and visual alarm device driving the place where the primary/secondary risk occurs and the lighting module prompt the specific position of the fire extinguishing device where the primary/secondary risk occurs, specifically, when the primary/secondary risk occurs, the audible and visual alarm device of the place where the primary/secondary risk occurs sends out audible and visual alarm prompts, and meanwhile, the lighting subtitle driving the place where the primary/secondary risk occurs prompts that the primary or secondary risk exists and prompts an escape route when the secondary risk occurs.

More specifically, the fire extinguishing system also comprises an indicator lamp for driving the primary/secondary risk position place and the fire extinguishing device in the escape route;

more specifically, the electronic fire-fighting lockset is arranged on the fire extinguishing device, and the electronic fire-fighting lockset is driven.

In a specific embodiment, the micro photovoltaic power module comprises:

the photovoltaic unit consists of a plurality of photovoltaic power generation arrays which are arranged in parallel;

the conversion unit is used for converting solar energy received by the photovoltaic power generation array into electric energy;

the energy storage unit is used for storing electric energy;

and the control unit is used for switching the power supply mode.

In one embodiment, the primary power mode is: and cutting off the ground load power supply at the primary risk position, and supplying power to each module of the fire protection system by using the energy storage unit.

In one embodiment, the secondary power mode is: and cutting off a ground load power supply at the secondary risk position, and supplying power to the alarm module and the lighting module by using the energy storage power supply.

Through the scheme, the invention can further reasonably control the power supply according to the fire situation, and prevent the electric leakage phenomenon after the fire disaster occurs, and because the electric insulation is damaged or the electrified wire is disconnected and grounded, step voltage and contact voltage can exist in a certain range, and if the operation and maintenance personnel don't pay attention to the roof to extinguish the fire, the electric shock accident can be caused. Meanwhile, the power supply of the alarm module and the lighting module in the fire protection system is ensured, the rescue efficiency is improved, and the problems of delay and low efficiency of rescue caused by unfamiliar surrounding environments of a fire scene, undefined fire development trend and the like are reduced. The fire-fighting system has good stability and reliability, and is beneficial to personnel evacuation.

On the other hand, referring to fig. 2, the invention also discloses a fire-fighting method based on micro-photovoltaic power supply and micro-distance positioning functions, which comprises the following steps:

installing a collecting and sensing device on each fire control node, monitoring a fire control site to obtain a fire control site image, and performing macro positioning on risk points in the fire control site image;

predicting a fire occurrence level based on the macro positioning result;

a fire control plan is formulated according to the predicted fire occurrence level;

switching a total power supply mode based on a fire control plan;

controlling a fire extinguishing device installed at a fire control node and a corresponding indicator lamp according to a fire control plan;

controlling an audible and visual alarm device installed on a fire node according to a fire control plan;

and controlling the lighting display device installed on the fire control node according to the fire control plan.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. Fire extinguishing system based on little photovoltaic power supply and microspur locate function, characterized in that includes: the system comprises a collection sensing module, a risk prediction module, a fire-fighting auxiliary module, a micro photovoltaic power supply module, a fire extinguishing module, an alarm module and a lighting module;

wherein, the liquid crystal display device comprises a liquid crystal display device,

the acquisition sensing module is used for installing an acquisition sensing device on each fire control node, monitoring a fire control site to obtain a fire control site image, and performing macro positioning on risk points in the fire control site image;

the risk prediction module predicts the fire occurrence level based on the macro positioning result;

the fire control auxiliary module is used for making a fire control plan according to the predicted fire occurrence level;

the micro photovoltaic power supply module is used for switching a main power supply mode based on a fire control plan;

the fire extinguishing module comprises a plurality of fire extinguishing devices and indication lamps, each fire extinguishing node is provided with the fire extinguishing device and the corresponding indication lamp, and corresponding actions are carried out based on the fire control plan;

the alarm module comprises a plurality of audible and visual alarm devices, each fire-fighting node is provided with the audible and visual alarm device, and corresponding alarm prompts are carried out based on the fire-fighting plan;

the lighting module comprises a plurality of lighting display devices, each fire control node is provided with the lighting display device, and the lighting display devices carry out corresponding light display prompts based on the fire control plan.

2. The fire protection system based on micro-photovoltaic power supply and micro-distance positioning function according to claim 1, wherein the acquisition sensing module comprises:

the high-definition camera monitors the fire scene in real time to obtain a fire scene image;

the risk point checking unit is used for preprocessing the fire scene image and checking whether the fire scene image has risk points or not;

and the macro positioning unit is used for macro positioning the positions of the risk points.

3. The fire protection system based on micro-photovoltaic power supply and micro-distance positioning function according to claim 2, wherein the risk point investigation unit comprises:

acquiring a plurality of fire images, setting a unique corresponding tag for any fire image, wherein the tag corresponds to a red channel image R (x _i ,y _i ) Green channel image G (x _i ,y _i ) And blue channel image B (x _i ,y _i ) Performing RGB three-channel fitting to obtain a fire training sample data set:

I(x _i ,y _i )＝k ₁ ×R(x _i ,y _i )+k ₂ ×G(x _i ,y _i )+k ₃ ×B(x _i ,y _i )k∈-2-1012；

in (x) _i ,y _i ) For monitoring fire scene images, I (x _i ,y _i ) Fitting an image set to the monitored fire scene image, R (x _i ,y _i )、G(x _i ,y _i )、B(x _i ,y _i ) Respectively a red channel image, a green channel image and a blue channel image of a fire scene image in RGB color space, wherein k is a fitting coefficient, and k=k ₁ ，k ₂ ，k ₃ The method comprises the steps of carrying out a first treatment on the surface of the Wherein k is ₁ 、k ₂ 、k ₃ Respectively training sample images (x _i ,y _i ) Fitting coefficients of images of three channels R, G and B;

constructing a neural network model, and training and testing the neural network model based on a fire training sample data set to obtain a fire risk point investigation network model;

and inputting the preprocessed image into the fire risk point checking network model, and outputting whether a risk point result exists, wherein 0 represents absence and 1 represents presence.

4. The fire protection system based on micro-photovoltaic power supply and micro-distance positioning function according to claim 2, wherein the micro-distance positioning unit comprises:

when a fire scene image has a risk point, framing the fire scene image to obtain a first pixel point corresponding to a flame color pixel value;

and determining an area corresponding to the fire scene image framing of the first pixel point as a risk point area.

5. The micro-photovoltaic power supply and macro positioning function-based fire protection system according to claim 1, wherein the risk prediction module comprises:

calculating the pixel proportion of an R value, a G value and a B value in a risk point area under the macro positioning;

if the pixel ratio of R value > (the pixel ratio of G value+the pixel ratio of B value), determining that the first-level risk exists;

if the pixel ratio of B value > (the pixel ratio of A value+the pixel ratio of B value), it is determined that there is a secondary risk.

6. The micro-photovoltaic power supply and macro positioning function-based fire protection system according to claim 1, wherein the fire protection auxiliary module comprises:

the primary fire-fighting unit is triggered when primary risks exist, and positions a primary risk position place after triggering, drives the micro-photovoltaic power supply module to switch a primary power supply mode, drives an audible and visual alarm device of the primary risk position place and drives the lighting module to prompt a specific position of the fire-extinguishing device of the primary risk position place;

the secondary fire-fighting unit is triggered when the secondary risk exists, the secondary risk position occurrence place is positioned after triggering, an escape route is formulated based on the position of the secondary risk position occurrence place, the micro-photovoltaic power supply module is driven to switch a secondary power supply mode, the audible and visual alarm device of the secondary risk position occurrence place is driven, and the lighting module is driven to prompt the escape route and the specific position of the fire-extinguishing device in the escape route.

7. The fire protection system based on micro-photovoltaic power supply and micro-distance positioning function according to claim 6, wherein the micro-photovoltaic power supply module comprises:

the photovoltaic unit consists of a plurality of photovoltaic power generation arrays which are arranged in parallel;

the conversion unit is used for converting solar energy received by the photovoltaic power generation array into electric energy;

the energy storage unit is used for storing electric energy;

and the control unit is used for switching the power supply mode.

8. The fire protection system based on micro-photovoltaic power supply and micro-distance positioning function according to claim 7, wherein the primary power supply mode is: and cutting off the ground load power supply at the primary risk position, and supplying power to each module of the fire protection system by using the energy storage unit.

9. The fire protection system based on micro-photovoltaic power supply and micro-distance positioning function according to claim 7, wherein the secondary power supply mode is: and cutting off a ground load power supply at the secondary risk position, and supplying power to the alarm module and the lighting module by using the energy storage power supply.

10. A method of micro-photovoltaic power and macro-positioning function based fire protection using the micro-photovoltaic power and macro-positioning function based fire protection system of any one of claims 1-9, comprising:

installing a collecting and sensing device on each fire control node, monitoring a fire control site to obtain a fire control site image, and performing macro positioning on risk points in the fire control site image;

predicting a fire occurrence level based on the macro positioning result;

a fire control plan is formulated according to the predicted fire occurrence level;

switching a total power supply mode based on a fire control plan;

controlling a fire extinguishing device installed at a fire control node and a corresponding indicator lamp according to a fire control plan;

controlling an audible and visual alarm device installed on a fire node according to a fire control plan;

and controlling the lighting display device installed on the fire control node according to the fire control plan.

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