CN115909614B - Evacuation guiding system and method for intelligent building fire fighting - Google Patents
Evacuation guiding system and method for intelligent building fire fighting Download PDFInfo
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Abstract
The invention discloses an evacuation guiding system and method for intelligent building fire protection, and relates to the technical field of fire protection guiding, wherein the evacuation guiding system comprises a fire protection safety acquisition module, a fire protection processing module and a guiding output module; the fire safety acquisition module comprises a plurality of smoke sensors and a plurality of temperature sensors, and the smoke sensors and the temperature sensors are respectively arranged in a plurality of floors of a building; the fire safety acquisition module is in communication connection with the fire control processing module; the fire control processing module comprises a building model building unit, a fire control processing unit and an evacuation analysis unit, and the fire control processing module can obtain a fire control evacuation guiding direction by analyzing fire control early warning floors in a building so as to solve the problems that the existing fire control method has a single evacuation guiding mode and the evacuation guiding is not intelligent and reasonable enough.
Description
Technical Field
The invention relates to the technical field of fire control guidance, in particular to an evacuation guiding system and method for intelligent building fire control.
Background
Fire protection is to eliminate hidden danger and prevent disaster, namely, the general term of people and natural and accidental disasters encountered by people in life, work and study is prevented and solved, and the fire protection is limited in meaning of fire extinguishing, and mainly comprises personnel rescue in fire scene, rescue of important facility equipment and cultural relics, security and rescue of important property, fire extinguishing and the like. The purpose is to reduce the damage degree caused by fire disaster and reduce casualties and property loss. A building may have many basic fire-fighting facilities, including fire extinguishing equipment, fire early warning equipment, and fire evacuation indication equipment.
In the prior art, a fire-fighting channel indicator board is usually arranged in a building to conduct evacuation guidance, the existing evacuation guidance is the direction which faces the fire-fighting channel, but when the fire disaster in the whole building is serious, the upward escape or the downward escape is generally based on the judgment of an evacuee, and the existing fire-fighting evacuation method cannot provide the evacuee with a better evacuation guidance direction, so that more potential safety hazards exist in fire-fighting evacuation.
Disclosure of Invention
The invention aims to solve at least one of the technical problems in the prior art to a certain extent, and the fire-fighting evacuation guiding direction can be obtained by analyzing the fire-fighting early-warning floors in the building so as to solve the problems that the existing fire-fighting method has a single evacuation guiding mode and the evacuation guiding is not intelligent and reasonable enough.
To achieve the above object, a first aspect of the present invention provides an evacuation guidance system for fire protection of an intelligent building, the evacuation guidance system including a fire protection safety acquisition module, a fire protection processing module, and a guidance output module; the fire safety acquisition module comprises a plurality of smoke sensors and a plurality of temperature sensors, and the smoke sensors and the temperature sensors are respectively arranged in a plurality of floors of a building; the fire safety acquisition module is in communication connection with the fire control processing module;
the fire control processing module comprises a building model building unit, a fire control processing unit and an evacuation analysis unit, wherein the building model building unit is used for building a basic model based on the floor number of a building; the fire-fighting processing unit is configured with a fire-fighting processing strategy, the fire-fighting processing strategy comprising: comparing the smoke concentration value and the temperature value obtained by the smoke sensor and the temperature sensor with the smoke concentration reference value and the temperature reference value respectively, and performing fire protection early warning when the smoke concentration value is larger than the smoke concentration reference value or the temperature value is larger than the temperature reference value; the evacuation analysis unit is configured with an evacuation analysis strategy comprising: analyzing the floor height of the fire early warning place based on the basic model to obtain the evacuation guiding direction;
The guiding output module comprises a plurality of evacuation indication boards and a plurality of voice prompts, the evacuation indication boards and the voice prompts are respectively arranged in a plurality of floors of the building, and the guiding output module is in communication connection with the fire control processing module; the guiding output module controls the evacuation indication board and the voice prompt to conduct evacuation guiding based on the evacuation guiding direction.
Further, the building model building unit is configured with a building model building policy, the building model building policy comprising: the method comprises the steps of obtaining the floor height of each floor of a building, building each layer of models according to the floor height of each floor, sequencing each layer of models in sequence from low to high according to the floor height, and marking each layer of models as L1 to Ln according to the sequencing sequence, wherein 1 to n respectively represent the number of floors;
each layer of model is placed from low to high according to the marks L1 to Ln to obtain a basic model.
Further, the building model building unit is further configured with a device marking policy, where the device marking policy includes: the corresponding smoke sensors on the floors marked as L1 to Ln are respectively marked as L1yw to Lnyw;
the corresponding temperature sensors on the floors marked as L1wd to Lnwd are marked as L1wd to Lnwd respectively;
The corresponding evacuation signs on the floors marked as L1 to Ln are respectively marked as L1zs to Lnzs;
the corresponding voice prompts on floors marked L1 to Ln are marked L1yy to Lnyy, respectively.
Further, the fire protection treatment strategy further comprises: acquiring the label of a smoke sensor with the smoke concentration value larger than the smoke concentration reference value, and setting the label as a smoke early warning label;
acquiring the label of the temperature sensor when the temperature value is larger than the temperature reference value, and setting the label as a temperature early warning label;
and acquiring the number of floors corresponding to the smoke early-warning mark and the temperature early-warning mark, and setting the number of floors as the early-warning number of floors.
Further, the evacuation analysis strategy comprises: acquiring the total number of floors in the basic model, and setting the total number of floors as a total number of floors;
when only one pre-warning layer number exists, outputting downward evacuation signals to all floors;
when the number of the early warning layers is multiple and the early warning layers are in a continuous state, adopting a continuous early warning method to output early warning signals, wherein the continuous early warning method comprises the following steps: setting the number of the early warning layers as early warning number, setting the floor where the lowest early warning layer is located as an early warning low layer, setting the floor where the highest early warning layer is located as an early warning high layer, and setting the floor between the early warning low layer and the early warning high layer as an early warning middle layer; outputting a downward evacuation signal to a floor where the early warning low layer is located; the method comprises the steps of obtaining a difference value between the number of early warning layers of an early warning high-rise and a total number of floors, setting the difference value as an upward safety layer number, outputting upward evacuation signals to the early warning high-rise and the floors higher than the early warning high-rise when the upward safety layer number is larger than or equal to a first safety waiting value, outputting downward evacuation signals to all floors when the upward safety layer number is smaller than the first safety waiting value and the early warning number is smaller than a first early warning threshold value, and outputting the upward evacuation signals to the early warning high-rise when the upward safety layer number is smaller than the first safety waiting value and the early warning number is larger than or equal to the first early warning threshold value; when the number of the upward safety layers is larger than or equal to a first safety waiting value, the number of the early warning layers higher than the early warning middle layer and lower than the early warning middle layer is obtained, when the number of the early warning layers higher than the early warning middle layer is smaller than the number of the early warning layers lower than the early warning middle layer, an upward evacuation signal is output to the current early warning middle layer, and when the number of the early warning layers higher than the early warning middle layer and the number of the early warning layers higher than or equal to the number of the early warning layers lower than the early warning middle layer, a downward evacuation signal is output to the current early warning middle layer;
When a plurality of pre-warning floors exist and are not in all continuous states, acquiring the floor number difference value of each two pre-warning floors which are spaced from each other, setting the floor number as the number of emergency floors, taking the number of emergency floors above each group of continuous pre-warning floors as the number of upward safety floors, and outputting pre-warning signals for each group of continuous pre-warning floors by adopting a discontinuous pre-warning method; the intermittent early warning method comprises the following steps: setting the highest continuous early warning layer number as a high-layer early warning group, setting the lowest continuous early warning layer number as a low-layer early warning group, and setting each continuous early warning layer number between the high-layer early warning group and the low-layer early warning group as a middle-layer early warning group; when the number of upward safety layers below the high-rise early warning group is larger than or equal to a second safety waiting value, outputting early warning signals by adopting a continuous early warning method on the floor where the high-rise early warning group is located, and when the number of upward safety layers below the high-rise early warning group is smaller than the second safety waiting value, outputting upward evacuation signals on the high-rise early warning group and the floor where the high-rise early warning group is located; when the number of upward safety layers above the low-level early warning group is larger than or equal to a second safety waiting value, outputting early warning signals by adopting a continuous early warning method to the floor where the low-level early warning group is located, and when the number of upward safety layers above the low-level early warning group is smaller than the second safety waiting value, outputting downward evacuation signals to the low-level early warning group and the floor where the low-level early warning group is located; a distance evacuation method is adopted for the middle layer early warning group;
The distance evacuation method comprises the following steps: and respectively calculating an upward layer number difference value and a downward layer number difference value between each layer in the middle layer early warning group and the upward safety layer number above and between each layer in the middle layer early warning group and the downward safety layer number below, outputting an upward evacuation signal to the currently calculated floor in the middle layer early warning group when the upward layer number difference value is smaller than the downward layer number difference value, and outputting a downward evacuation signal to the currently calculated floor in the middle layer early warning group when the upward layer number difference value is greater than or equal to the downward layer number difference value.
Further, the boot output module is configured with a boot output policy, the boot output policy comprising: an upward evacuation indication arrow and a downward evacuation indication arrow are arranged on the evacuation indication board, and upward evacuation voice and downward evacuation voice are arranged on the voice prompt;
when the upward evacuation signal is received, the evacuation indicator is controlled to display an upward indication arrow and the voice prompt is controlled to output upward evacuation voice, and when the downward evacuation signal is received, the evacuation indicator is controlled to display a downward indication arrow and the early warning prompt is controlled to output downward evacuation voice.
In a second aspect, the present invention provides an evacuation guiding method for fire protection of an intelligent building, where the evacuation guiding method is configured with a plurality of smoke sensors, a plurality of temperature sensors, a plurality of evacuation indicators, and a plurality of voice prompts, and the plurality of smoke sensors, the plurality of temperature sensors, the plurality of evacuation indicators, and the plurality of voice prompts are respectively disposed in a plurality of floors of the building;
The evacuation guiding method comprises the following steps:
step S1, building a basic model based on the floor number of a building;
s2, comparing the smoke concentration value and the temperature value obtained by the smoke sensor and the temperature sensor with a smoke concentration reference value and a temperature reference value respectively, and performing fire protection early warning when the smoke concentration value is larger than the smoke concentration reference value or the temperature value is larger than the temperature reference value;
step S3, analyzing the floor height of the fire early warning based on the basic model to obtain the evacuation guiding direction;
and S4, controlling the evacuation indication board and the voice prompt to conduct evacuation guiding based on the evacuation guiding direction.
The invention has the beneficial effects that: the invention establishes a basic model based on the floor number of the building; through the establishment of a basic model, the fire fighting equipment can be numbered, and the floor where the fire fighting equipment is located can be well acquired when the fire fighting hidden danger occurs, so that early warning floor data are provided for fire evacuation;
according to the invention, the smoke concentration value and the temperature value obtained by the smoke sensor and the temperature sensor are respectively compared with the smoke concentration reference value and the temperature reference value, and when the smoke concentration value is larger than the smoke concentration reference value or the temperature value is larger than the temperature reference value, fire control early warning is carried out; the design can early warn in time when fire hazards occur;
According to the invention, the evacuation guiding direction is obtained by analyzing the floor height of the fire-fighting early warning based on the basic model, and the evacuation guiding is performed by controlling the evacuation indication board and the voice prompt based on the evacuation guiding direction.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Figure 1 is a schematic block diagram of an evacuation guidance system of the present invention;
figure 2 is a flow chart of the steps of the evacuation guidance method of the present invention;
fig. 3 is a schematic diagram of partial floor division in the continuous early warning 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.
With reference to fig. 1, the present invention provides an evacuation guiding system for fire protection of an intelligent building, which can obtain a fire protection evacuation guiding direction by analyzing a fire protection early warning floor in the building.
Specifically, the evacuation guiding system comprises a fire safety acquisition module, a fire control processing module and a guiding output module; the fire safety acquisition module comprises a plurality of smoke sensors and a plurality of temperature sensors, and the smoke sensors and the temperature sensors are respectively arranged in a plurality of floors of a building; the fire-fighting safety acquisition module is in communication connection with the fire-fighting processing module;
the fire control processing module comprises a building model building unit, a fire control processing unit and an evacuation analysis unit, wherein the building model building unit is used for building a basic model based on the floor number of a building; the building model building unit is configured with building model building policies, the building model building policies comprising: the method comprises the steps of obtaining the floor height of each floor of a building, building each layer of models according to the floor height of each floor, sequencing each layer of models in sequence from low to high according to the floor height, and marking each layer of models as L1 to Ln according to the sequencing sequence, wherein 1 to n respectively represent the number of floors; each layer of model is placed from low to high according to the marks L1 to Ln to obtain a basic model. The building model building unit is further configured with a device labeling strategy, the device labeling strategy comprising: the corresponding smoke sensors on the floors marked as L1 to Ln are respectively marked as L1yw to Lnyw; the corresponding temperature sensors on the floors marked as L1wd to Lnwd are marked as L1wd to Lnwd respectively; the corresponding evacuation signs on the floors marked as L1 to Ln are respectively marked as L1zs to Lnzs; the voice prompters corresponding to the floors marked as L1 to Ln are respectively marked as L1yy to Lnyy, and after the smoke sensor and the temperature sensors acquire data, the floors where fire hazards occur can be accurately corresponding to the corresponding marks, so that a basic basis is provided for evacuation guidance.
The fire-fighting processing unit is configured with a fire-fighting processing strategy, the fire-fighting processing strategy comprising: comparing the smoke concentration value and the temperature value obtained by the smoke sensor and the temperature sensor with the smoke concentration reference value and the temperature reference value respectively, and performing fire protection early warning when the smoke concentration value is larger than the smoke concentration reference value or the temperature value is larger than the temperature reference value; the smoke concentration reference value and the temperature reference value are specifically set according to a smoke concentration early warning threshold value and a temperature early warning threshold value in the existing fire-fighting field, for example: the range of the smoke alarm threshold is 0.102 dB/m-0.275 dB/m, and the range of the temperature alarm threshold is 50-80 ℃. The fire treatment strategy further comprises: acquiring the label of a smoke sensor with the smoke concentration value larger than the smoke concentration reference value, and setting the label as a smoke early warning label; acquiring the label of the temperature sensor when the temperature value is larger than the temperature reference value, and setting the label as a temperature early warning label; the number of floors corresponding to the smoke early-warning marks and the temperature early-warning marks is acquired, the number of floors is set to be the early-warning number of floors, and the floors where fire hazards are located can be acquired rapidly and accurately through the acquisition of the marks.
The evacuation analysis unit is configured with an evacuation analysis strategy comprising: analyzing the floor height of the fire early warning place based on the basic model to obtain the evacuation guiding direction; the evacuation analysis strategy includes: acquiring the total number of floors in the basic model, and setting the total number of floors as a total number of floors;
when only one pre-warning layer number exists, outputting downward evacuation signals to all floors; when the fire-fighting system is implemented, when only one floor fires in one building, people on all floors can be evacuated downwards according to the instructions, and the danger caused by upwards spreading of the fire is avoided for the people above the floor where the early warning layer is located.
Referring to fig. 2, when a plurality of pre-warning layers exist and are in a continuous state, a continuous pre-warning method is adopted to output pre-warning signals, and the continuous pre-warning method includes: setting the number of the early warning layers as early warning number, setting the floor where the lowest early warning layer is located as an early warning low layer, setting the floor where the highest early warning layer is located as an early warning high layer, and setting the floor between the early warning low layer and the early warning high layer as an early warning middle layer; outputting a downward evacuation signal to a floor where the early warning low layer is located; the fire spreading is usually faster in upward diffusion, downward escape is recommended preferentially at the lowest floor and floors below the fire, the difference value between the early warning layer number of the early warning high-rise floor and the total floor value is obtained, the upward safety layer number is set, when the upward safety layer number is larger than or equal to a first safety waiting value, the first safety waiting value is set to be 3-5 in specific implementation, the first safety waiting value can be set to be 3 in specific implementation, and even if the three-layer safety floors are in the propagation, certain waiting time is reserved for escape personnel, and the personnel safety can be fully ensured through external rescue; outputting upward evacuation signals to the early-warning high-rise and floors higher than the early-warning high-rise, outputting downward evacuation signals to all floors when the number of upward safety floors is smaller than a first safety waiting value and the number of early-warning floors is smaller than a first early-warning threshold value, wherein the first early-warning threshold value is usually set to be 2 or 3, and if the number of upward safety floors is smaller, when the number of floors on fire is also smaller, the floors on fire can escape downwards through a fire-fighting channel, so that a fire disaster after upward escape is prevented from pressing escape space; outputting an upward evacuation signal to an early warning high-rise when the number of upward safety layers is smaller than a first safety waiting value and the number of early warning is larger than or equal to a first early warning threshold value; if the number of the fire floors is too large, the fire floors are required to be penetrated in the downward escape process, so that downward escape is not suggested, and after upward escape, escape personnel can early warn in advance in the upward safety layer; when the number of the upward safety layers is larger than or equal to a first safety waiting value, the number of the early warning layers higher than the early warning middle layer and lower than the early warning middle layer is obtained, when the number of the early warning layers higher than the early warning middle layer is smaller than the number of the early warning layers lower than the early warning middle layer, an upward evacuation signal is output to the current early warning middle layer, and when the number of the early warning layers higher than the early warning middle layer and the number of the early warning layers higher than or equal to the number of the early warning layers lower than the early warning middle layer, a downward evacuation signal is output to the current early warning middle layer; giving priority to how closely the number of middle layers on fire reaches the safety layer;
When a plurality of pre-warning floors are in a continuous state but not all, acquiring the floor number difference value of each two pre-warning floors which are spaced from each other, setting the floor number as the emergency floor number, taking the emergency floor number above each group of continuous pre-warning floors as the upward safety floor number, and outputting pre-warning signals for each group of continuous pre-warning floors by adopting a discontinuous pre-warning method, wherein, for example, two or more fire floors exist in one building, and the fire floors are not close to each other, and the situation is very few, but needs to be considered in practical application; the intermittent early warning method comprises the following steps: setting the highest continuous early warning layer number as a high-layer early warning group, setting the lowest continuous early warning layer number as a low-layer early warning group, and setting each continuous early warning layer number between the high-layer early warning group and the low-layer early warning group as a middle-layer early warning group; when the number of upward safety layers below the high-rise early warning group is larger than or equal to a second safety waiting value, wherein the second safety waiting value is smaller than the first safety waiting value, the second safety waiting value is set to be 2, when the number of the fire floors is large, escape personnel need to be guided into the safe floors, the continuous early warning method is adopted for outputting early warning signals on the floors where the high-rise early warning group is located, and when the number of upward safety layers below the high-rise early warning group is smaller than the second safety waiting value, upward evacuation signals are output on the high-rise early warning group and the floors where the high-rise early warning group is located; if only one layer of safety floors exists between two ignition points, the floors are not recommended to be escape directions, when the number of upward safety floors above the low-layer early warning group is larger than or equal to a second safety waiting value, a continuous early warning method is adopted for outputting early warning signals for the floors where the low-layer early warning group is located, and when the number of upward safety floors above the low-layer early warning group is smaller than the second safety waiting value, downward evacuation signals are outputted for the low-layer early warning group and the floors where the low-layer early warning group is located; a distance evacuation method is adopted for the middle layer early warning group;
The distance evacuation method comprises the following steps: and respectively calculating an upward layer number difference value and a downward layer number difference value between each layer in the middle layer early warning group and the upward safety layer number above and between each layer in the lower safety layer number, outputting an upward evacuation signal to the currently calculated floor in the middle layer early warning group when the upward layer number difference value is smaller than the downward layer number difference value, and outputting a downward evacuation signal to the currently calculated floor in the middle layer early warning group when the upward layer number difference value is greater than or equal to the downward layer number difference value.
The guiding output module comprises a plurality of evacuation indicators and a plurality of voice prompts, the evacuation indicators and the voice prompts are respectively arranged in a plurality of floors of the building, and the guiding output module is in communication connection with the fire control processing module; the guiding output module controls the evacuation indication board and the voice prompt to conduct evacuation guiding based on the evacuation guiding direction. The boot output module is configured with a boot output policy that includes: an upward evacuation indication arrow and a downward evacuation indication arrow are arranged on the evacuation indication board, and the voice prompt device is provided with upward evacuation voice and downward evacuation voice which are prerecorded in advance and used for guiding personnel to evacuate by voice; when the upward evacuation signal is received, the evacuation indicator is controlled to display an upward indication arrow and the voice prompt is controlled to output upward evacuation voice, and when the downward evacuation signal is received, the evacuation indicator is controlled to display a downward indication arrow and the early warning prompt is controlled to output downward evacuation voice.
Referring to fig. 3, the present invention further provides an evacuation guiding method for fire fighting of an intelligent building, wherein the evacuation guiding method is configured with a plurality of smoke sensors, a plurality of temperature sensors, a plurality of evacuation indicators and a plurality of voice prompts, and the plurality of smoke sensors, the plurality of temperature sensors, the plurality of evacuation indicators and the plurality of voice prompts are respectively arranged in a plurality of floors of the building;
the evacuation guiding method comprises the following steps:
step S1, building a basic model based on the floor number of a building; step S1 further includes:
step S111, the floor height of each floor of the building is obtained, and a model of each floor is built according to the floor height of each floor;
step S112, sequentially sorting each layer of models from low to high according to the floor height, sequentially marking each layer of models as L1 to Ln according to the sorting order, wherein 1 to n respectively represent the number of floors;
step S113, each layer of model is placed from low to high according to the marks L1 to Ln to obtain a basic model.
Step S1 further includes:
step S121, respectively marking a plurality of smoke sensors corresponding to floors marked L1 to Ln as L1yw to Lnyw;
step S122, respectively marking a plurality of corresponding temperature sensors on the floors marked as L1wd to Lnwd;
Step S123, respectively marking a plurality of evacuation indicators corresponding to floors marked with L1 to Ln as L1zs to Lnzs;
in step S124, the corresponding voice prompts on the floors marked L1 to Ln are marked L1yy to Lnyy, respectively.
S2, comparing the smoke concentration value and the temperature value obtained by the smoke sensor and the temperature sensor with a smoke concentration reference value and a temperature reference value respectively, and performing fire protection early warning when the smoke concentration value is larger than the smoke concentration reference value or the temperature value is larger than the temperature reference value; step S2 further includes:
step S21, acquiring the label of a smoke sensor with the smoke concentration value larger than the smoke concentration reference value, and setting the label as a smoke early warning label;
step S22, obtaining the label of the temperature sensor when the temperature value is larger than the temperature reference value, and setting the label as a temperature early warning label;
step S23, the number of floors corresponding to the smoke early warning mark and the temperature early warning mark is obtained and set as the early warning number of floors.
Step S3, analyzing the floor height of the fire early warning based on the basic model to obtain the evacuation guiding direction; step S3 further includes:
step S31, obtaining the total number of floors in the basic model, and setting the total number of floors as a total number of floors;
Step S32, outputting downward evacuation signals to all floors when only one pre-warning layer number exists;
step S33, when the number of the early warning layers is multiple and the early warning layers are in a continuous state, outputting early warning signals by adopting a continuous early warning method;
step S34, when a plurality of pre-warning floors exist and are not in all continuous states, acquiring the floor number difference value of each two pre-warning floors which are spaced from each other, setting the floor number as the emergency floor number, taking the emergency floor number above each group of continuous pre-warning floors as the upward safety floor number, and outputting pre-warning signals for each group of continuous pre-warning floors by adopting a discontinuous pre-warning method;
the continuous early warning method comprises the following steps:
step S331, setting the number of early warning layers as early warning number, setting the floor where the lowest early warning layer is located as early warning low layer, setting the floor where the highest early warning layer is located as early warning high layer, and setting the floor between the early warning low layer and the early warning high layer as early warning middle layer;
step S332, outputting a downward evacuation signal to the floor where the early warning low layer is located;
step S333, obtaining a difference value between the number of early warning layers of the early warning high-rise and the total number of floors, setting the difference value as an upward safety layer number, outputting upward evacuation signals to the early warning high-rise and the floors higher than the early warning high-rise when the upward safety layer number is larger than or equal to a first safety waiting value, outputting downward evacuation signals to all floors when the upward safety layer number is smaller than the first safety waiting value and the early warning number is smaller than a first early warning threshold value, and outputting the upward evacuation signals to the early warning high-rise when the upward safety layer number is smaller than the first safety waiting value and the early warning number is larger than or equal to the first early warning threshold value;
Step S334, when the number of upward safety layers is greater than or equal to a first safety waiting value, the number of early warning layers higher than the early warning middle layer and lower than the early warning middle layer is obtained, when the number of early warning layers higher than the early warning middle layer is smaller than the number of early warning layers lower than the early warning middle layer, an upward evacuation signal is output to the current early warning middle layer, and when the number of early warning layers higher than the early warning middle layer and the number of early warning layers higher than or equal to the number of early warning layers lower than the early warning middle layer, a downward evacuation signal is output to the current early warning middle layer;
the intermittent early warning method comprises the following steps:
step S341, setting the highest continuous early warning layer number as a high-layer early warning group, setting the lowest continuous early warning layer number as a low-layer early warning group, and setting each continuous early warning layer number between the high-layer early warning group and the low-layer early warning group as a middle-layer early warning group;
step S342, when the number of upward safety layers below the high-rise early warning group is larger than or equal to a second safety waiting value, outputting early warning signals by adopting a continuous early warning method to the floor where the high-rise early warning group is located, and when the number of upward safety layers below the high-rise early warning group is smaller than the second safety waiting value, outputting upward evacuation signals to the high-rise early warning group and the floor where the high-rise early warning group is located;
Step S343, when the upward safety layer number above the low-layer early warning group is larger than or equal to the second safety waiting value, outputting an early warning signal by adopting a continuous early warning method to the floor where the low-layer early warning group is located, and when the upward safety layer number above the low-layer early warning group is smaller than the second safety waiting value, outputting a downward evacuation signal to the low-layer early warning group and the floor where the low-layer early warning group is located;
step S344, a distance evacuation method is adopted for the middle-layer early warning group;
the distance evacuation method comprises the following steps:
step S3441, respectively calculating an upward layer number difference value and a downward layer number difference value between each layer in the middle layer early warning group and the upward safety layer number above and the upward safety layer number below;
step S3342, when the difference value of the upward floors is smaller than the difference value of the downward floors, outputting an upward evacuation signal to the currently calculated floor in the middle-floor early warning group;
and step S3343, when the difference value of the upward floors is greater than or equal to the difference value of the downward floors, outputting a downward evacuation signal to the currently calculated floor in the middle-floor early-warning group.
And S4, controlling the evacuation indication board and the voice prompt to conduct evacuation guiding based on the evacuation guiding direction. Step S4 further includes:
step S41, an upward evacuation indication arrow and a downward evacuation indication arrow are arranged on the evacuation indication board, and upward evacuation voice and downward evacuation voice are arranged on the voice prompt;
Step S42, when the upward evacuation signal is received, the evacuation indicator is controlled to display an upward indication arrow and the voice prompt is controlled to output upward evacuation voice, and when the downward evacuation signal is received, the evacuation indicator is controlled to display a downward indication arrow and the early warning prompt is controlled to output downward evacuation voice.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein. The storage medium may be implemented by any type or combination of volatile or nonvolatile Memory devices, such as static random access Memory (Static Random Access Memory, SRAM), electrically erasable Programmable Read-Only Memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), erasable Programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), programmable Read-Only Memory (PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk, or optical disk. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
Claims (3)
1. An evacuation guiding system for intelligent building fire protection is characterized by comprising a fire protection safety acquisition module, a fire protection processing module and a guiding output module; the fire safety acquisition module comprises a plurality of smoke sensors and a plurality of temperature sensors, and the smoke sensors and the temperature sensors are respectively arranged in a plurality of floors of a building; the fire safety acquisition module is in communication connection with the fire control processing module;
The fire control processing module comprises a building model building unit, a fire control processing unit and an evacuation analysis unit, wherein the building model building unit is used for building a basic model based on the floor number of a building; the fire-fighting processing unit is configured with a fire-fighting processing strategy, the fire-fighting processing strategy comprising: comparing the smoke concentration value and the temperature value obtained by the smoke sensor and the temperature sensor with the smoke concentration reference value and the temperature reference value respectively, and performing fire protection early warning when the smoke concentration value is larger than the smoke concentration reference value or the temperature value is larger than the temperature reference value; the evacuation analysis unit is configured with an evacuation analysis strategy comprising: analyzing the floor height of the fire early warning place based on the basic model to obtain the evacuation guiding direction;
the guiding output module comprises a plurality of evacuation indication boards and a plurality of voice prompts, the evacuation indication boards and the voice prompts are respectively arranged in a plurality of floors of the building, and the guiding output module is in communication connection with the fire control processing module; the guiding output module controls the evacuation indication board and the voice prompt to conduct evacuation guiding based on the evacuation guiding direction;
The building model building unit is configured with a building model building policy, the building model building policy comprising: the method comprises the steps of obtaining the floor height of each floor of a building, building each layer of models according to the floor height of each floor, sequencing each layer of models in sequence from low to high according to the floor height, and marking each layer of models as L1 to Ln according to the sequencing sequence, wherein 1 to n respectively represent the number of floors;
placing each layer of model from low to high according to the marks L1 to Ln to obtain a basic model;
the building model building unit is further configured with a device labeling strategy, the device labeling strategy comprising: the corresponding smoke sensors on the floors marked as L1 to Ln are respectively marked as L1yw to Lnyw;
the corresponding temperature sensors on the floors marked as L1wd to Lnwd are marked as L1wd to Lnwd respectively;
the corresponding evacuation signs on the floors marked as L1 to Ln are respectively marked as L1zs to Lnzs;
the corresponding voice prompters on the floors marked as L1 to Ln are respectively marked as L1yy to Lnyy;
the fire treatment strategy further comprises: acquiring the label of a smoke sensor with the smoke concentration value larger than the smoke concentration reference value, and setting the label as a smoke early warning label;
Acquiring the label of the temperature sensor when the temperature value is larger than the temperature reference value, and setting the label as a temperature early warning label;
acquiring the number of floors corresponding to the smoke early warning mark and the temperature early warning mark, and setting the number of floors as the early warning number of floors;
the evacuation analysis strategy comprises: acquiring the total number of floors in the basic model, and setting the total number of floors as a total number of floors;
when only one pre-warning layer number exists, outputting downward evacuation signals to all floors;
when the number of the early warning layers is multiple and the early warning layers are in a continuous state, adopting a continuous early warning method to output early warning signals, wherein the continuous early warning method comprises the following steps: setting the number of the early warning layers as early warning number, setting the floor where the lowest early warning layer is located as an early warning low layer, setting the floor where the highest early warning layer is located as an early warning high layer, and setting the floor between the early warning low layer and the early warning high layer as an early warning middle layer; outputting a downward evacuation signal to a floor where the early warning low layer is located; the method comprises the steps of obtaining a difference value between the number of early warning layers of an early warning high-rise and a total number of floors, setting the difference value as an upward safety layer number, outputting upward evacuation signals to the early warning high-rise and the floors higher than the early warning high-rise when the upward safety layer number is larger than or equal to a first safety waiting value, outputting downward evacuation signals to all floors when the upward safety layer number is smaller than the first safety waiting value and the early warning number is smaller than a first early warning threshold value, and outputting the upward evacuation signals to the early warning high-rise when the upward safety layer number is smaller than the first safety waiting value and the early warning number is larger than or equal to the first early warning threshold value; when the number of the upward safety layers is larger than or equal to a first safety waiting value, the number of the early warning layers higher than the early warning middle layer and lower than the early warning middle layer is obtained, when the number of the early warning layers higher than the early warning middle layer is smaller than the number of the early warning layers lower than the early warning middle layer, an upward evacuation signal is output to the current early warning middle layer, and when the number of the early warning layers higher than the early warning middle layer and the number of the early warning layers higher than or equal to the number of the early warning layers lower than the early warning middle layer, a downward evacuation signal is output to the current early warning middle layer;
When a plurality of pre-warning floors exist and are not in all continuous states, acquiring the floor number difference value of each two pre-warning floors which are spaced from each other, setting the floor number as the number of emergency floors, taking the number of emergency floors above each group of continuous pre-warning floors as the number of upward safety floors, and outputting pre-warning signals for each group of continuous pre-warning floors by adopting a discontinuous pre-warning method; the intermittent early warning method comprises the following steps: setting the highest continuous early warning layer number as a high-layer early warning group, setting the lowest continuous early warning layer number as a low-layer early warning group, and setting each continuous early warning layer number between the high-layer early warning group and the low-layer early warning group as a middle-layer early warning group; when the number of upward safety layers below the high-rise early warning group is larger than or equal to a second safety waiting value, outputting early warning signals by adopting a continuous early warning method on the floor where the high-rise early warning group is located, and when the number of upward safety layers below the high-rise early warning group is smaller than the second safety waiting value, outputting upward evacuation signals on the high-rise early warning group and the floor where the high-rise early warning group is located; when the number of upward safety layers above the low-level early warning group is larger than or equal to a second safety waiting value, outputting early warning signals by adopting a continuous early warning method to the floor where the low-level early warning group is located, and when the number of upward safety layers above the low-level early warning group is smaller than the second safety waiting value, outputting downward evacuation signals to the low-level early warning group and the floor where the low-level early warning group is located; a distance evacuation method is adopted for the middle layer early warning group;
The distance evacuation method comprises the following steps: and respectively calculating an upward layer number difference value and a downward layer number difference value between each layer in the middle layer early warning group and the upward safety layer number above and between each layer in the middle layer early warning group and the downward safety layer number below, outputting an upward evacuation signal to the currently calculated floor in the middle layer early warning group when the upward layer number difference value is smaller than the downward layer number difference value, and outputting a downward evacuation signal to the currently calculated floor in the middle layer early warning group when the upward layer number difference value is greater than or equal to the downward layer number difference value.
2. An evacuation guidance system for intelligent building fire protection as claimed in claim 1, wherein the guidance output module is configured with a guidance output strategy comprising: an upward evacuation indication arrow and a downward evacuation indication arrow are arranged on the evacuation indication board, and upward evacuation voice and downward evacuation voice are arranged on the voice prompt;
when the upward evacuation signal is received, the evacuation indicator is controlled to display an upward indication arrow and the voice prompt is controlled to output upward evacuation voice, and when the downward evacuation signal is received, the evacuation indicator is controlled to display a downward indication arrow and the early warning prompt is controlled to output downward evacuation voice.
3. An evacuation guiding method based on the evacuation guiding system for intelligent building fire protection according to any one of claims 1 or 2, characterized in that the evacuation guiding method is configured with a plurality of smoke sensors, a plurality of temperature sensors, a plurality of evacuation signs and a plurality of voice prompts, wherein the plurality of smoke sensors, the plurality of temperature sensors, the plurality of evacuation signs and the plurality of voice prompts are respectively arranged in a plurality of floors of a building;
The evacuation guiding method comprises the following steps:
step S1, building a basic model based on the floor number of a building; the step S1 comprises the following steps: step S111, the floor height of each floor of the building is obtained, and a model of each floor is built according to the floor height of each floor;
step S112, sequentially sorting each layer of models from low to high according to the floor height, sequentially marking each layer of models as L1 to Ln according to the sorting order, wherein 1 to n respectively represent the number of floors;
step S113, placing each layer of model from low to high according to the marks L1 to Ln to obtain a basic model;
step S121, respectively marking a plurality of smoke sensors corresponding to floors marked L1 to Ln as L1yw to Lnyw;
step S122, respectively marking a plurality of corresponding temperature sensors on the floors marked as L1wd to Lnwd;
step S123, respectively marking a plurality of evacuation indicators corresponding to floors marked with L1 to Ln as L1zs to Lnzs;
step S124, respectively marking a plurality of voice prompters corresponding to the floors marked as L1yy to Lnyy;
s2, comparing the smoke concentration value and the temperature value obtained by the smoke sensor and the temperature sensor with a smoke concentration reference value and a temperature reference value respectively, and performing fire protection early warning when the smoke concentration value is larger than the smoke concentration reference value or the temperature value is larger than the temperature reference value; the step S2 comprises the following steps: step S21, acquiring the label of a smoke sensor with the smoke concentration value larger than the smoke concentration reference value, and setting the label as a smoke early warning label;
Step S22, obtaining the label of the temperature sensor when the temperature value is larger than the temperature reference value, and setting the label as a temperature early warning label;
step S23, the number of floors corresponding to the smoke early warning mark and the temperature early warning mark is obtained and set as the early warning number of floors;
step S3, analyzing the floor height of the fire early warning based on the basic model to obtain the evacuation guiding direction; the step S3 comprises the following steps: step S31, obtaining the total number of floors in the basic model, and setting the total number of floors as a total number of floors;
step S32, outputting downward evacuation signals to all floors when only one pre-warning layer number exists;
step S33, when the number of the early warning layers is multiple and the early warning layers are in a continuous state, outputting early warning signals by adopting a continuous early warning method;
step S34, when a plurality of pre-warning floors exist and are not in all continuous states, acquiring the floor number difference value of each two pre-warning floors which are spaced from each other, setting the floor number as the emergency floor number, taking the emergency floor number above each group of continuous pre-warning floors as the upward safety floor number, and outputting pre-warning signals for each group of continuous pre-warning floors by adopting a discontinuous pre-warning method;
the continuous early warning method comprises the following steps:
step S331, setting the number of early warning layers as early warning number, setting the floor where the lowest early warning layer is located as early warning low layer, setting the floor where the highest early warning layer is located as early warning high layer, and setting the floor between the early warning low layer and the early warning high layer as early warning middle layer;
Step S332, outputting a downward evacuation signal to the floor where the early warning low layer is located;
step S333, obtaining a difference value between the number of early warning layers of the early warning high-rise and the total number of floors, setting the difference value as an upward safety layer number, outputting upward evacuation signals to the early warning high-rise and the floors higher than the early warning high-rise when the upward safety layer number is larger than or equal to a first safety waiting value, outputting downward evacuation signals to all floors when the upward safety layer number is smaller than the first safety waiting value and the early warning number is smaller than a first early warning threshold value, and outputting the upward evacuation signals to the early warning high-rise when the upward safety layer number is smaller than the first safety waiting value and the early warning number is larger than or equal to the first early warning threshold value;
step S334, when the number of upward safety layers is greater than or equal to a first safety waiting value, the number of early warning layers higher than the early warning middle layer and lower than the early warning middle layer is obtained, when the number of early warning layers higher than the early warning middle layer is smaller than the number of early warning layers lower than the early warning middle layer, an upward evacuation signal is output to the current early warning middle layer, and when the number of early warning layers higher than the early warning middle layer and the number of early warning layers higher than or equal to the number of early warning layers lower than the early warning middle layer, a downward evacuation signal is output to the current early warning middle layer;
The intermittent early warning method comprises the following steps:
step S341, setting the highest continuous early warning layer number as a high-layer early warning group, setting the lowest continuous early warning layer number as a low-layer early warning group, and setting each continuous early warning layer number between the high-layer early warning group and the low-layer early warning group as a middle-layer early warning group;
step S342, when the number of upward safety layers below the high-rise early warning group is larger than or equal to a second safety waiting value, outputting early warning signals by adopting a continuous early warning method to the floor where the high-rise early warning group is located, and when the number of upward safety layers below the high-rise early warning group is smaller than the second safety waiting value, outputting upward evacuation signals to the high-rise early warning group and the floor where the high-rise early warning group is located;
step S343, when the upward safety layer number above the low-layer early warning group is larger than or equal to the second safety waiting value, outputting an early warning signal by adopting a continuous early warning method to the floor where the low-layer early warning group is located, and when the upward safety layer number above the low-layer early warning group is smaller than the second safety waiting value, outputting a downward evacuation signal to the low-layer early warning group and the floor where the low-layer early warning group is located;
step S344, a distance evacuation method is adopted for the middle-layer early warning group;
The distance evacuation method comprises the following steps:
step S3441, respectively calculating an upward layer number difference value and a downward layer number difference value between each layer in the middle layer early warning group and the upward safety layer number above and the upward safety layer number below;
step S3342, when the difference value of the upward floors is smaller than the difference value of the downward floors, outputting an upward evacuation signal to the currently calculated floor in the middle-floor early warning group;
step S3343, when the difference value of the upward floors is greater than or equal to the difference value of the downward floors, outputting downward evacuation signals to the floors currently calculated in the middle-floor early-warning group;
and S4, controlling the evacuation indication board and the voice prompt to conduct evacuation guiding based on the evacuation guiding direction.
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