CN115311803A - Garage safety early warning method, device, equipment and readable storage medium - Google Patents
Garage safety early warning method, device, equipment and readable storage medium Download PDFInfo
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- CN115311803A CN115311803A CN202210912852.2A CN202210912852A CN115311803A CN 115311803 A CN115311803 A CN 115311803A CN 202210912852 A CN202210912852 A CN 202210912852A CN 115311803 A CN115311803 A CN 115311803A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/08—Water curtains
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/002—Fire prevention, containment or extinguishing specially adapted for particular objects or places for warehouses, storage areas or other installations for storing goods
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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Abstract
The invention provides a garage safety early warning method, a device, equipment and a readable storage medium, wherein the garage safety early warning method comprises the following steps: monitoring the concentration of a target object in the air of the garage, controlling the gear of an exhaust system to ventilate according to the concentration of the target object when the concentration of the target object exceeds a preset concentration, and sending the concentration of the target object and a monitoring position to a monitoring center to perform early warning; detecting whether the target area meets fire early warning conditions, and if so, sending the temperature and the position of the target area to a monitoring center for early warning; and when the difference between the temperature of the target area and the temperature of the adjacent area is greater than the preset difference and the heat of the target area exceeds the preset heat, controlling the spraying of the target area to be started. By the method, the toxic gas generated by the new energy vehicle and the new energy vehicle can be timely and accurately detected, early-warned and intervened, and effective guarantee is provided for the safety of lives and properties.
Description
Technical Field
The invention relates to the technical field of safety early warning, in particular to a garage safety early warning method, a device, equipment and a readable storage medium.
Background
With the improvement of the living standard of people, automobiles become necessary transportation tools for people to go out, the popularization of household automobiles and increasingly tense land environment promote higher and higher requirements on underground parking lots, underground garages belong to closed and semi-closed buildings, air circulation is not smooth, automobile exhaust generates harmful gases such as carbon monoxide, sulfur dioxide and the like, and damages are caused to cardiovascular and central nervous systems of human bodies.
Disclosure of Invention
The invention mainly aims to provide a garage safety early warning method, a device, equipment and a readable storage medium, and aims to solve the technical problem that in the prior art, new energy vehicles in underground garages are on fire and novel toxic gases generated by the new energy vehicles cannot be timely and effectively detected and early warned.
In a first aspect, the invention provides a garage safety early warning method, which comprises the following steps:
monitoring the concentration of a target object in the air of the garage, controlling the gear of an exhaust system to ventilate according to the concentration of the target object when the concentration of the target object exceeds a preset concentration, and sending the concentration of the target object and a monitoring position to a monitoring center to perform early warning;
detecting whether the target area meets fire early warning conditions, and if so, sending the temperature and the position of the target area to a monitoring center for early warning;
and when the difference between the temperature of the target area and the temperature of the adjacent area is greater than the preset difference and the heat of the target area exceeds the preset heat, controlling the spraying of the target area to be started.
Optionally, the target includes hydrogen fluoride, hydrogen cyanide, hydrogen, PM2.5, and carbon monoxide, and when the concentration of the target exceeds the preset concentration, controlling the gear of the exhaust system to ventilate according to the concentration of the target includes:
when the concentration of any target object is greater than or equal to the first preset concentration of the target object and less than or equal to the second preset concentration of the target object, controlling the gear of the exhaust system to be a low gear for ventilation;
when the concentration of any target object is greater than the second preset concentration of the target object and less than or equal to the third preset concentration of the target object, controlling the gear of the exhaust system to be a middle gear for ventilation;
and when the concentration of any target object is greater than the third preset concentration of the target object, controlling the gear of the exhaust system to be high-grade for ventilation.
Optionally, the detecting whether the target area meets the fire early warning condition includes:
detecting whether a preset condition of a target area is met, wherein the preset condition comprises the following steps:
the temperature of the target area exceeds a preset temperature;
the concentration of any target object in the target area is greater than or equal to a first preset concentration of the target object;
the temperature sensor of the target area is in a normal operation state and does not receive a power-off request;
and when the preset conditions are simultaneously met and the time length when the preset conditions are simultaneously met exceeds the preset time length, judging that the target area meets the fire early warning condition.
Optionally, before controlling the spraying of the target area to be turned on when the difference between the temperature of the target area and the temperature of the adjacent area is greater than a preset difference and the heat of the target area exceeds a preset heat, the method includes:
according to the temperature difference between the target area and the adjacent area, the heat of the target area is obtained through calculation, and the calculation formula is as follows:
Q＝K×A×(T g -T f )/L
wherein Q is the heat of the target area, K is the thermal conductivity, A is the area perpendicular to the heat transfer direction, T g For monitoring the temperature, T, of the temperature sensor in the target area f Is the monitored temperature of the adjacent region temperature sensor, and L is the distance between the target region temperature sensor and the adjacent region temperature sensor.
Optionally, the controlling the spray opening of the target area includes:
and controlling the spraying opening of the target area to form water curtain separation between the target area and the adjacent area so as to prevent the fire of the target area from burning to the adjacent area.
In a second aspect, the present invention further provides a garage safety precaution device, including:
the first control module is used for monitoring the concentration of a target object in the air of the garage, controlling the gear of the exhaust system to ventilate according to the concentration of the target object when the concentration of the target object exceeds a preset concentration, and sending the concentration of the target object and a monitoring position to a monitoring center to perform early warning;
the detection module is used for detecting whether the target area meets fire early warning conditions or not, and if so, sending the temperature and the position of the target area to a monitoring center for early warning;
and the second control module is used for controlling the spraying of the target area to be started when the difference between the temperature of the target area and the temperature of the adjacent area is greater than the preset difference and the heat of the target area exceeds the preset heat.
Optionally, the target includes hydrogen fluoride, hydrogen cyanide, hydrogen, PM2.5, and carbon monoxide, and the first control module is configured to:
when the concentration of any target object is greater than or equal to the first preset concentration of the target object and less than or equal to the second preset concentration of the target object, controlling the gear of the exhaust system to be a low gear for ventilation;
when the concentration of any target object is greater than the second preset concentration of the target object and less than or equal to the third preset concentration of the target object, controlling the gear of the exhaust system to be a middle gear for ventilation;
and when the concentration of any target object is greater than the third preset concentration of the target object, controlling the gear of the exhaust system to be high-grade for ventilation.
Optionally, the detection module is configured to:
detecting whether a preset condition of a target area is met, wherein the preset condition comprises the following steps:
the temperature of the target area exceeds a preset temperature;
the concentration of any target object in the target area is greater than or equal to a first preset concentration of the target object;
the temperature sensor of the target area is in a normal operation state and does not receive a power-off request;
and when the preset conditions are simultaneously met and the time length when the preset conditions are simultaneously met exceeds the preset time length, judging that the target area meets the fire early warning condition.
In a third aspect, the present invention further provides a garage safety precaution device, which includes a processor, a memory, and a garage safety precaution program stored in the memory and executable by the processor, where the garage safety precaution program, when executed by the processor, implements the steps of the garage safety precaution method as described above.
In a fourth aspect, the present invention further provides a readable storage medium, where a garage safety early warning program is stored on the readable storage medium, and when the garage safety early warning program is executed by a processor, the steps of the garage safety early warning method are implemented as described above.
According to the invention, the concentration of a target object in the air of the garage is monitored, when the concentration of the target object exceeds a preset concentration, gears of an exhaust system are controlled according to the concentration of the target object for ventilation, and the concentration of the target object and a monitoring position are sent to a monitoring center for early warning; detecting whether the target area meets fire early warning conditions, and if so, sending the temperature and the position of the target area to a monitoring center for early warning; and when the difference between the temperature of the target area and the temperature of the adjacent area is greater than the preset difference and the heat of the target area exceeds the preset heat, controlling the spraying of the target area to be started. The concentration of various target objects in the air of the underground garage is monitored in real time, wherein the target objects comprise hydrogen fluoride, hydrogen cyanide, hydrogen, PM2.5, sulfur dioxide, carbon monoxide and the like, if the concentration value of the target object exceeds a preset concentration value, gears of an exhaust system are controlled according to the concentration value of the target object for ventilation so as to reduce the concentration content of toxic gas, meanwhile, the concentration value and the monitoring position of the target object are sent to a monitoring center for early warning, manual management personnel carry out further processing, when the target area is detected to meet fire early warning conditions, the temperature and the position of the target area are sent to the monitoring center for early warning, further, if the difference value between the temperature of the target area and the temperature of an adjacent area is larger than the preset difference value, and the heat of the target area exceeds the preset heat value, which indicates that a fire situation is sent, spraying of the target area is started for cooling and extinguishing the fire.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an embodiment of the garage safety precaution device of the present invention;
FIG. 2 is a schematic flow chart of a garage safety warning method according to an embodiment of the present invention;
FIG. 3 is a detailed flowchart of step S10 in FIG. 2;
FIG. 4 is a schematic diagram of a fire warning condition in step S20 of FIG. 2;
fig. 5 is a schematic functional module diagram of a garage safety warning device according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In a first aspect, the embodiment of the invention provides a garage safety early warning device.
Referring to fig. 1, fig. 1 is a schematic hardware structure diagram of a garage safety early warning device according to an embodiment of the present invention. In this embodiment of the present invention, the garage security early warning device may include a processor 1001 (e.g., a Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. The communication bus 1002 is used for realizing connection communication among the components; the user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard); the network interface 1004 may optionally include a standard wired interface, a WIreless interface (e.g., a WI-FI interface, WI-FI interface); the memory 1005 may be a Random Access Memory (RAM) or a non-volatile memory (non-volatile memory), such as a magnetic disk memory, and the memory 1005 may optionally be a storage device independent of the processor 1001. Those skilled in the art will appreciate that the hardware configuration shown in fig. 1 is not intended to limit the present invention, and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
With continued reference to fig. 1, the memory 1005 of fig. 1, which is one type of computer storage medium, may include an operating system, a network communication module, a user interface module, and a garage security warning program. The processor 1001 may call a garage safety warning program stored in the memory 1005, and execute the garage safety warning method provided by the embodiment of the present invention.
In a second aspect, the embodiment of the invention provides a garage safety early warning method.
In order to show the garage safety early warning method provided by the embodiment of the application more clearly, an application scenario of the garage safety early warning method provided by the embodiment of the application is introduced first.
The garage safety early warning method provided by the embodiment of the application is applied to the situation that more and more new energy vehicles are used, spontaneous combustion accidents of electric vehicles occur due to the fact that the technology is immature, a large number of vehicles are usually parked in an underground garage, the underground garage belongs to a closed or semi-closed space, the combustion temperature of a power battery can reach 1000 ℃, a large number of toxic gases such as hydrogen fluoride and hydrogen cyanide are generated, the risk of hydrogen leakage can be generated along with the development and popularization of hydrogen energy vehicles, the hydrogen reaches a certain concentration in the semi-closed space, the risk of explosion can be generated when exposed to fire or light, the damage is large and cannot be imagined, and therefore timely and accurate detection, early warning and intervention on the ignition and combustion of the new energy vehicles and the generated toxic gases are very necessary.
In an embodiment, referring to fig. 2, fig. 2 is a schematic flowchart of a garage safety precaution method according to an embodiment of the present invention, and as shown in fig. 2, the garage safety precaution method includes:
and S10, monitoring the concentration of a target object in the air of the garage, controlling a gear of an exhaust system to ventilate according to the concentration of the target object when the concentration of the target object exceeds a preset concentration, and sending the concentration and the monitoring position of the target object to a monitoring center to perform early warning.
In the embodiment, the concentration of various target objects in the air of the underground garage is monitored in real time through a sensor, and specific target objects include, but are not limited to, hydrogen fluoride, hydrogen cyanide, hydrogen, PM2.5, sulfur dioxide, carbon monoxide and the like, wherein PM2.5 refers to fine particulate matters with aerodynamic equivalent diameter of less than or equal to 2.5 micrometers in ambient air, the fine particulate matters can be suspended in the air for a long time, the higher the content concentration of the fine particulate matters in the air is, the more serious the air pollution is represented, the sensor mainly comprises an air quality monitoring sensor and a hydride monitoring sensor, the air quality monitoring sensor can be installed on a stand of the underground garage, the height of the air quality monitoring sensor is consistent with the whole vehicle breathing height of a human body, the hydride monitoring sensor can be installed at a position above the underground garage, the hydride monitoring sensor mainly monitors the concentration of toxic and harmful gases generated when a new energy vehicle burns, if the concentration of the target objects exceeds a preset concentration value, ventilation is performed according to the gear of an exhaust system to control the concentration value of the target objects, so as to reduce the concentration of the toxic and the monitored position, and the concentration value of the target objects are sent to a monitoring center to perform early warning, and manual management personnel perform further processing.
And S20, detecting whether the target area meets fire early warning conditions, and if so, sending the temperature and the position of the target area to a monitoring center for early warning.
In this embodiment, the accessible is every three temperature-sensing ware and a temperature receiver founds the monitoring area of a triangular pyramid, constitute the target area by the monitoring area of a plurality of triangular pyramids, thereby more accurate and timely discovery fire early warning, when detecting that the target area satisfies the fire early warning condition, send the temperature and the position of target area to the surveillance center and carry out the early warning, carry out further processing by manual management personnel, the surveillance center can directly ally oneself with 119 fire centers, when the fire takes place, report 119 fire centers to automatically, in order to obtain timely fire rescue.
And step S30, when the difference between the temperature of the target area and the temperature of the adjacent area is larger than a preset difference and the heat of the target area exceeds the preset heat, controlling the spraying of the target area to be started.
In this embodiment, if the difference between the temperature of the target area and the temperature of the adjacent area is greater than the preset difference, and the heat of the target area exceeds the preset heat, which indicates that a fire has occurred, the spraying of the target area is turned on to cool and extinguish the fire, and active fire-fighting measures are taken to ensure safety.
In the embodiment, poisonous and harmful gases such as hydrogen fluoride and hydrogen cyanide can be generated when new energy vehicles burn, the monitoring, early warning and intervention are carried out on the two aspects of gas concentration and vehicle fire burning, if the concentration of a target exceeds a preset concentration value, the exhaust system is controlled to ventilate according to the concentration value of the target, the concentration content of the poisonous gases is reduced, meanwhile, the concentration value and the monitoring position of the target are sent to a monitoring center for early warning, when the target area meets the fire early warning condition, the temperature and the position of the target area are sent to the monitoring center for early warning, the spraying of the target area is started to cool and extinguish fire when the condition is met, active fire-fighting measures are taken, and safety is guaranteed.
Further, in an embodiment, the target includes hydrogen fluoride, hydrogen cyanide, hydrogen, PM2.5 and carbon monoxide, referring to fig. 3, fig. 3 is a detailed flow chart of step S10 in fig. 2, and as shown in fig. 3, step S10 includes:
s101, when the concentration of any target object is greater than or equal to a first preset concentration of the target object and less than or equal to a second preset concentration of the target object, controlling the gear of an exhaust system to be a low gear for ventilation;
step S102, when the concentration of any target object is greater than the second preset concentration of the target object and less than or equal to the third preset concentration of the target object, controlling the gear of the exhaust system to be a middle gear for ventilation;
and step S103, when the concentration of any target object is greater than a third preset concentration of the target object, controlling the gear of the exhaust system to be high-grade for ventilation.
In this embodiment, the target object includes, but is not limited to, hydrogen fluoride, hydrogen cyanide, hydrogen, PM2.5, and carbon monoxide, and may include various toxic and harmful gas components in the air, and as the concentration value of the target object increases, the low-grade, the medium-grade, and the high-grade of the exhaust system are correspondingly turned on, the ventilation strength of the exhaust system is increased, the concentration of the target object in the air is reduced as soon as possible, and poisoning and the like harmful to the human body are avoided, and the calibration values of the first preset concentration, the second preset concentration, and the third preset concentration of each target object are shown in table 1, where table 1 is a calibration table of the values of the first preset concentration, the second preset concentration, and the third preset concentration of each target object.
Table 1.
| Target (Unit) | A first predetermined concentration | Second preset concentration | Third predetermined concentration |
| HF(mg/m3) | 0.02 | 0.05 | 0.08 |
| HCN(mg/m3) | 0.0025 | 0.003 | 0.008 |
| PM2.5(μg/m3) | 3 | 50 | 70 |
| H2(ppm) | 4 | 10 | 20 |
| CO(ppm) | 10 | 30 | 50 |
Further, in an embodiment, referring to fig. 4, fig. 4 is a schematic diagram of the fire warning condition in step S20 of fig. 2, and as shown in fig. 4, step S20 includes:
detecting whether a preset condition of a target area is met, wherein the preset condition comprises the following steps:
the temperature of the target area exceeds a preset temperature;
the concentration of any target object in the target area is greater than or equal to a first preset concentration of the target object;
the temperature sensor of the target area is in a normal operation state and does not receive a power-off request;
and when the preset conditions are simultaneously met and the time length when the preset conditions are simultaneously met exceeds the preset time length, judging that the target area meets the fire early warning condition.
In this embodiment, whether the preset condition of the target area is met is detected to eliminate the situation of false fire alarm, improve the accuracy of fire early warning, monitor too high temperature, too high concentration of related toxic and harmful gas generated by new energy vehicles in combustion, and the temperature sensor is in a normal operation state and does not receive a power-off request.
Further, in an embodiment, before step S30, the method includes:
according to the temperature difference between the target area and the adjacent area, the heat of the target area is obtained through calculation, and the calculation formula is as follows:
Q＝K×A×(T g -T f )/L
wherein Q is the heat of the target area, K is the thermal conductivity, A is the area perpendicular to the heat transfer direction, T g For monitoring the temperature, T, of the temperature sensor in the target area f Is the monitored temperature of the adjacent region temperature sensor, and L is the distance between the target region temperature sensor and the adjacent region temperature sensor.
In this embodiment, the heat of the target area is calculated according to the temperature difference between the target area and the adjacent area, so that a spraying measure is more accurately adopted for ignition and combustion.
Further, in an embodiment, the step S30 includes:
and controlling the spraying opening of the target area to form water curtain separation between the target area and the adjacent area so as to prevent the fire of the target area from burning to the adjacent area.
In this embodiment, when it is detected that the target area is a combustion ignition area, a water curtain is formed between the target area and an adjacent area to prevent the fire in the target area from combusting to the adjacent area and damaging property articles such as vehicles beside the target area.
In a third aspect, the embodiment of the invention further provides a garage safety early warning device.
Referring to fig. 5, fig. 5 is a functional module schematic diagram of a garage safety precaution device according to an embodiment of the present invention.
In this embodiment, garage safety precaution device includes:
the first control module 10 is used for monitoring the concentration of a target object in the air in the garage, controlling the gear of the exhaust system to ventilate according to the concentration of the target object when the concentration of the target object exceeds a preset concentration, and sending the concentration of the target object and a monitoring position to a monitoring center to perform early warning;
the detection module 20 is configured to detect whether the target area meets a fire early warning condition, and if so, send the temperature and the position of the target area to a monitoring center for early warning;
and the second control module 30 is configured to control the spraying of the target area to be started when the difference between the temperature of the target area and the temperature of the adjacent area is greater than a preset difference and the heat of the target area exceeds a preset heat.
Further, in an embodiment, the first control module 10 is configured to:
when the concentration of any target object is greater than or equal to the first preset concentration of the target object and less than or equal to the second preset concentration of the target object, controlling the gear of the exhaust system to be a low gear for ventilation;
when the concentration of any target object is greater than the second preset concentration of the target object and is less than or equal to the third preset concentration of the target object, controlling the gear of the exhaust system to be a middle gear for ventilation;
and when the concentration of any target object is greater than the third preset concentration of the target object, controlling the gear of the exhaust system to be high-grade for ventilation.
Further, in an embodiment, the detecting module 20 is configured to:
detecting whether a preset condition of a target area is met, wherein the preset condition comprises the following steps:
the temperature of the target area exceeds a preset temperature;
the concentration of any target object in the target area is greater than or equal to a first preset concentration of the target object;
the temperature sensor of the target area is in a normal operation state and does not receive a power-off request;
and when the preset conditions are simultaneously met and the time length when the preset conditions are simultaneously met exceeds the preset time length, judging that the target area meets the fire early warning condition.
Further, in an embodiment, the garage safety precaution device further includes a calculation module, configured to:
according to the temperature difference between the target area and the adjacent area, the heat of the target area is obtained through calculation, and the calculation formula is as follows:
Q＝K×A×(T g -T f )/L
wherein Q is the heat of the target area, K is the thermal conductivity, A is the area perpendicular to the heat transfer direction, T g For monitoring the temperature, T, of the temperature sensor in the target area f Is the monitored temperature of the adjacent region temperature sensor, and L is the distance between the target region temperature sensor and the adjacent region temperature sensor.
Further, in an embodiment, the second control module 30 is configured to:
and controlling the spraying opening of the target area to form water curtain separation between the target area and the adjacent area so as to prevent the fire of the target area from burning to the adjacent area.
The function implementation of each module in the garage safety early warning device corresponds to each step in the garage safety early warning method embodiment, and the function and implementation process are not described in detail herein.
In a fourth aspect, the embodiment of the present invention further provides a readable storage medium.
The readable storage medium of the invention stores a garage safety early warning program, wherein when the garage safety early warning program is executed by a processor, the steps of the garage safety early warning method are realized.
The method for implementing the garage safety early warning program when executed can refer to each embodiment of the garage safety early warning method, and details are not repeated here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the description of the foregoing embodiments, it is clear to those skilled in the art that the method of the foregoing embodiments may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for causing a terminal device to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A garage safety early warning method is characterized by comprising the following steps:
monitoring the concentration of a target object in the air of the garage, controlling the gear of an exhaust system to ventilate according to the concentration of the target object when the concentration of the target object exceeds a preset concentration, and sending the concentration of the target object and a monitoring position to a monitoring center to perform early warning;
detecting whether the target area meets fire early warning conditions, and if so, sending the temperature and the position of the target area to a monitoring center for early warning;
and when the difference between the temperature of the target area and the temperature of the adjacent area is greater than the preset difference and the heat of the target area exceeds the preset heat, controlling the spraying of the target area to be started.
2. The garage safety precaution method of claim 1, wherein the target objects comprise hydrogen fluoride, hydrogen cyanide, hydrogen, PM2.5 and carbon monoxide, and the controlling the gears of the exhaust system to ventilate according to the concentration of the target objects when the concentration of the target objects exceeds a preset concentration comprises:
when the concentration of any target object is greater than or equal to the first preset concentration of the target object and less than or equal to the second preset concentration of the target object, controlling the gear of the exhaust system to be a low gear for ventilation;
when the concentration of any target object is greater than the second preset concentration of the target object and less than or equal to the third preset concentration of the target object, controlling the gear of the exhaust system to be a middle gear for ventilation;
and when the concentration of any target object is greater than the third preset concentration of the target object, controlling the gear of the exhaust system to be high-grade for ventilation.
3. The garage safety warning method of claim 2, wherein the detecting whether the target area satisfies the fire warning condition comprises:
detecting whether a preset condition of a target area is met, wherein the preset condition comprises the following steps:
the temperature of the target area exceeds a preset temperature;
the concentration of any target object in the target area is greater than or equal to a first preset concentration of the target object;
the temperature sensor of the target area is in a normal operation state and does not receive a power-off request;
and when the preset conditions are simultaneously met and the time length when the preset conditions are simultaneously met exceeds the preset time length, judging that the target area meets the fire early warning condition.
4. The garage safety precaution method of claim 1, wherein before controlling the spraying of the target area to be turned on when the difference between the temperature of the target area and the temperature of the adjacent area is greater than a preset difference and the heat of the target area exceeds a preset heat, the method comprises:
according to the temperature difference between the target area and the adjacent area, the heat of the target area is obtained through calculation, and the calculation formula is as follows:
Q＝K×A×(T g -T f )/L
wherein Q is the heat of the target area, K is the thermal conductivity, A is the area perpendicular to the heat transfer direction, T g For monitoring the temperature, T, of the temperature sensor in the target area f Is the monitored temperature of the adjacent region temperature sensor, and L is the distance between the target region temperature sensor and the adjacent region temperature sensor.
5. The garage safety precaution method of claim 1, wherein controlling the spray activation of the target area includes:
and controlling the spraying opening of the target area to form water curtain separation between the target area and the adjacent area so as to prevent the fire of the target area from burning to the adjacent area.
6. The utility model provides a garage safety precaution device which characterized in that, garage safety precaution device includes:
the first control module is used for monitoring the concentration of a target object in the air of the garage, controlling the gear of the exhaust system to ventilate according to the concentration of the target object when the concentration of the target object exceeds a preset concentration, and sending the concentration of the target object and a monitoring position to a monitoring center to perform early warning;
the detection module is used for detecting whether the target area meets fire early warning conditions or not, and if so, sending the temperature and the position of the target area to a monitoring center for early warning;
and the second control module is used for controlling the spraying of the target area to be started when the difference between the temperature of the target area and the temperature of the adjacent area is greater than the preset difference and the heat of the target area exceeds the preset heat.
7. The garage safety warning device of claim 6, wherein the target comprises hydrogen fluoride, hydrogen cyanide, hydrogen, PM2.5, and carbon monoxide, and the first control module is configured to:
when the concentration of any target object is greater than or equal to the first preset concentration of the target object and less than or equal to the second preset concentration of the target object, controlling the gear of the exhaust system to be a low gear for ventilation;
when the concentration of any target object is greater than the second preset concentration of the target object and less than or equal to the third preset concentration of the target object, controlling the gear of the exhaust system to be a middle gear for ventilation;
and when the concentration of any target object is greater than the third preset concentration of the target object, controlling the gear of the exhaust system to be high-grade for ventilation.
8. The garage safety warning device of claim 6, wherein the detection module is configured to:
detecting whether a preset condition of a target area is met, wherein the preset condition comprises the following steps:
the temperature of the target area exceeds a preset temperature;
the concentration of any target object in the target area is greater than or equal to a first preset concentration of the target object;
the temperature sensor of the target area is in a normal operation state and does not receive a power-off request;
and when the preset conditions are simultaneously met and the time length when the preset conditions are simultaneously met exceeds the preset time length, judging that the target area meets the fire early warning condition.
9. A garage safety warning device, comprising a processor, a memory, and a garage safety warning program stored on the memory and executable by the processor, wherein the steps of the garage safety warning method as claimed in any one of claims 1 to 5 are implemented when the garage safety warning program is executed by the processor.
10. A readable storage medium, wherein a garage safety warning program is stored on the readable storage medium, and when the garage safety warning program is executed by a processor, the steps of the garage safety warning method according to any one of claims 1 to 5 are implemented.
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