CN111784958A - Fire detection method and device - Google Patents
Fire detection method and device Download PDFInfo
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- CN111784958A CN111784958A CN202010535083.XA CN202010535083A CN111784958A CN 111784958 A CN111784958 A CN 111784958A CN 202010535083 A CN202010535083 A CN 202010535083A CN 111784958 A CN111784958 A CN 111784958A
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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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- 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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The invention provides a fire detection method and a device, and the method can comprise the following steps: acquiring first sensor detection information of a target area related to a fire; under the condition that the first sensor detection information meets a first preset condition, second sensor detection information of the target area, which is related to the fire, is acquired; and outputting an alarm signal under the condition that the detection information of the second sensor meets a second preset condition. The embodiment of the invention can improve the accuracy of alarming the fire.
Description
Technical Field
The present invention relates to the field of communication technology, and more particularly, to a fire detection method and a fire detection apparatus.
Background
In recent years, with the increasing population and building scale in the urban development process, fire and gas poisoning events frequently occur, and great personnel and property losses are caused. In daily life, the traditional independent smoke feeling can play a certain improving role in fire prevention and disaster reduction, but has certain limitation along with the continuous increase of fire hidden danger factors. The traditional independent smoke sensing function is single, only one index of smoke concentration can be monitored, fire alarm is carried out only by means of smoke concentration, and the accuracy rate of alarming fire is low.
Disclosure of Invention
The embodiment of the invention provides a fire detection method and a fire detection device, and aims to solve the problem that the accuracy of the traditional method for alarming fire by independent smoke is low.
In a first aspect, an embodiment of the present invention provides a fire detection method, including:
acquiring first sensor detection information of a target area related to a fire;
under the condition that the first sensor detection information meets a first preset condition, second sensor detection information of the target area, which is related to the fire, is acquired;
and outputting an alarm signal under the condition that the detection information of the second sensor meets a second preset condition.
In a second aspect, an embodiment of the present invention provides a fire detection apparatus, including: first sensor, second sensor, treater, alarm, wherein:
the output end of the first sensor is connected with the first input end of the processor, and the first sensor is used for detecting first sensor detection information of a target area related to fire and transmitting the first sensor detection information to the processor;
the output end of the second sensor is connected with the second input end of the processor, and the second sensor is used for detecting second sensor detection information of a target area related to fire and transmitting the second sensor detection information to the processor;
the first output end of the processor is connected with the alarm, the processor is used for acquiring the detection information of the second sensor under the condition that the detection information of the first sensor meets a first preset condition, and outputting an alarm signal through the alarm under the condition that the detection information of the second sensor meets a second preset condition.
In this way, in the embodiment of the present invention, according to the detection information of the plurality of sensors in the target area related to the fire, the alarm signal is output when the preset condition is satisfied. Thereby achieving the purpose of improving the fire alarm accuracy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic flow chart of a fire detection method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of another method of fire detection according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a fire detection device according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of another fire detection device according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of another fire detection device according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of another fire detection device according to an embodiment of the present invention;
fig. 7 is a circuit diagram of an alarm detection module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic flow chart of a fire detection method according to an embodiment of the present invention, as shown in fig. 1, including the following steps:
the target area may be any area that needs fire protection and fire detection, for example: the present embodiment is not limited to the above-described examples, and the examples include public places such as shops, libraries, and barbershops, and private areas such as homes.
In addition, the first sensor detection information may be smoke density information of the target area, for example: when fire detection is carried out, smoke concentration information of a target area can be obtained firstly for judgment, and then the next step is carried out.
102, acquiring second sensor detection information of the target area related to the fire under the condition that the first sensor detection information meets a first preset condition;
wherein, the first preset condition is the smoke concentration value which is preset according to the actual situation and can cause fire hazard when reaching a certain concentration, for example:
in addition, the second sensor detection information may be temperature and relative humidity change information of the target area, for example: when fire detection is carried out, if the smoke concentration of a target area reaches a first preset condition, the temperature and the relative humidity change condition at the moment are detected simultaneously, and the detection information of a second sensor is obtained.
And 103, outputting an alarm signal under the condition that the detection information of the second sensor meets a second preset condition.
The second preset condition may be that any one of the temperature or the relative humidity change in the detection information of the second sensor satisfies the second preset condition, for example: when judging whether the detection information of the second sensor meets a second preset condition, under the condition that the temperature change meets the second preset condition but the relative humidity change does not meet the second preset condition, the detection information of the second sensor can be considered to meet the second preset condition; or under the condition that the relative humidity change meets a second preset condition but the temperature change does not meet the second preset condition, the detection information of the second sensor can be considered to meet the second preset condition; in the case where both the temperature change and the relative humidity change satisfy the second preset condition, it may be considered that the second sensor detection information satisfies the second preset condition.
In addition, the alarm signal may be an audio alarm signal and a light alarm signal, for example: when the smoke concentration of the target area meets the first preset condition, any one of the temperature or the relative humidity changes meets the second preset condition, and an alarm signal is output at the moment, wherein the alarm signal can be a sound alarm signal, a light alarm signal or both the sound alarm signal and the light alarm signal.
In this embodiment, after the smoke concentration in the target area satisfies the first preset condition, and when any one of the temperature and the relative humidity changes satisfies the second preset condition, the alarm signal can be highlighted by outputting the sound and the light alarm signal. For example: when the sound alarm signal and the light alarm signal sound simultaneously, the fire alarm signal is easier to be found.
In this embodiment, according to the first sensor detection information of the target area related to the fire, when the first sensor detection information satisfies a first preset condition, the second sensor detection information of the target area related to the fire is acquired, and when the second sensor detection information satisfies a second preset condition, the alarm signal is output. Thereby achieving the technical effect of improving the accuracy of the fire alarm method.
Referring to fig. 2, fig. 2 is a schematic flow chart of another fire detection method according to an embodiment of the present invention, as shown in fig. 2, including the following steps:
Optionally, in this embodiment, after step 201, the following steps may be further included:
Optionally, the second sensor may detect information including:
the temperature and relative humidity of the target area;
wherein, the temperature and the relative humidity of the target area in the detection information of the second sensor can be acquired simultaneously, for example: when the second sensor detection information of the target area related to the fire is obtained, the temperature and the relative humidity of the target area may be obtained at the same time, and the next step 203 may be performed.
And 203, outputting an alarm signal under the condition that the detection information of the second sensor meets a second preset condition.
Optionally, the outputting an alarm signal when the detection information of the second sensor meets a second preset condition may include:
and outputting an alarm signal under the condition that at least one of the temperature or the relative humidity change of the target area meets a second preset condition.
The temperature or relative humidity change information of the target area may be second sensor detection information, and a case where at least one of the temperature or the relative humidity change of the target area satisfies a second preset condition may be considered as a case where the second sensor detection information satisfies the second preset condition, for example: after the temperature and relative humidity change information is acquired in the target area, an alarm signal can be output under the condition that the temperature change meets a second preset condition; when the relative humidity changes and meets a second preset condition, an alarm signal can be output; an alarm signal can also be output when the temperature and the relative humidity change simultaneously meet the second preset condition.
According to the implementation mode, whether the temperature and the relative humidity meet the second preset condition or not is further judged after the smoke concentration of the target area meets the first preset condition, whether an alarm signal is sent or not is determined, the equipment false alarm rate caused by the conditions of dust, smoke and the like can be reduced, and the accuracy of fire alarm is improved.
Optionally, after step 201, the above steps may further include the following steps:
and 204, acquiring third sensor detection information of the target area related to the fire, and outputting an alarm signal under the condition that the third sensor detection information meets a third preset condition, wherein the third sensor detection information comprises carbon monoxide concentration.
The third sensor detection information may be carbon monoxide concentration, and the alarm criterion for carbon monoxide concentration set in advance under a third preset condition, for example: and in the target area, when the detected carbon monoxide concentration reaches the alarm standard, outputting an alarm signal that the carbon monoxide concentration exceeds the standard.
In the embodiment, the carbon monoxide concentration of the target area can be obtained, and when the carbon monoxide concentration meets the third preset condition, the alarm signal is output, so that the alarm of the exceeding of the carbon monoxide concentration of the target area is realized, the function of the fire alarm method is added, and the fire alarm method can improve the accuracy of fire alarm and can alarm the exceeding of the carbon monoxide concentration.
Optionally, after step 201, the above steps may further include the following steps:
Wherein, the detection information of the fourth sensor may be the concentration of the fine particulate matter, and the warning standard for the concentration of the fine particulate matter, which is set in advance under the third preset condition, for example: and in the target area, outputting an alarm signal that the concentration of the fine particulate matters exceeds the standard when the detected concentration of the fine particulate matters reaches a third preset condition.
In the embodiment, the concentration of the fine particulate matters in the target area can be acquired, and when the concentration of the fine particulate matters meets the fourth preset condition, the alarm signal is output, so that the alarm of the exceeding of the concentration of the fine particulate matters in the target area is realized, the function of the fire alarm method is added, and the fire alarm method can also alarm the exceeding of the concentration of the fine particulate matters while improving the fire alarm accuracy.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a fire detection device according to an embodiment of the present invention, as shown in fig. 3, the device 300 includes a first sensor 301, a second sensor 302, a processor 303, and an alarm 304, wherein:
the output end of the first sensor is connected with the first input end of the processor, and the first sensor is used for detecting first sensor detection information of a target area related to fire and transmitting the first sensor detection information to the processor;
the output end of the second sensor is connected with the second input end of the processor, and the second sensor is used for detecting second sensor detection information of a target area related to fire and transmitting the second sensor detection information to the processor;
the first output end of the processor is connected with the alarm, the processor is used for acquiring the detection information of the second sensor under the condition that the detection information of the first sensor meets a first preset condition, and outputting an alarm signal through the alarm under the condition that the detection information of the second sensor meets a second preset condition.
Optionally, the second sensor 302 may include:
a temperature sensor 3021 and a humidity sensor 3022, configured to acquire target area temperature and relative humidity change information when the first sensor detection information satisfies a first preset condition.
Optionally, the alarm 304 may include:
an indicator light module 3041 for emitting a light warning signal;
the buzzer module 3042 is configured to send an audio alarm signal.
Wherein, when above-mentioned alarm obtained alarm signal, can send light alarm signal and sound alarm signal simultaneously through pilot lamp module and buzzer module, for example: after the carbon monoxide overproof alarm condition is met, the processor transmits an alarm signal to the alarm, and the indicator light and the buzzer simultaneously send out the alarm signal to indicate that the carbon monoxide concentration of the target area is overproof.
In the embodiment, the fire alarm signal can be transmitted out through the indicator lamp and the buzzer, so that the occurrence of fire can be more easily perceived.
Optionally, as shown in fig. 4, the apparatus may further include at least one of a third sensor 305 and a fourth sensor 306, wherein:
an output of the third sensor is connected to a third input of the processor, and the third sensor is configured to detect third sensor detection information of a target area related to a fire and transmit the third sensor detection information to the processor, wherein the third sensor includes:
a carbon monoxide sensor;
the second output end of the processor is connected with the alarm, and the processor is used for outputting an alarm signal through the alarm under the condition that the detection information of the third sensor meets a third preset condition;
an output of the fourth sensor is coupled to a fourth input of the processor, and the fourth sensor is configured to detect fourth sensor detection information associated with a fire in a target area and transmit the fourth sensor detection information to the processor, wherein the fourth sensor comprises:
a fine particulate matter sensor;
and a third output end of the processor is connected with the alarm, and the processor is used for outputting an alarm signal through the alarm under the condition that the fourth sensor detection information meets a fourth preset condition.
Optionally, as shown in fig. 5, the apparatus 300 may further include a narrowband internet of things communication module 307, where:
the input end of the narrow-band Internet of things communication module is connected with the fourth output end of the processor, the narrow-band Internet of things communication module is used for realizing baseband processing and radio frequency transceiving functions of signals and wirelessly transmitting the signals output by the processor to a far-end platform.
The narrowband internet of things communication module 307 can realize baseband processing and radio frequency transceiving functions of signals, and complete wireless communication functions, for example: through the narrow-band internet of things communication module 307, fire alarm and equipment state information can be reported to a service platform in time, related personnel are informed through modes such as short messages and application programs, the fire condition can be found in time and automatically alarmed, meanwhile, the indoor environment can be effectively sensed and mastered, and the smoke condition can be judged in combination with the change of temperature and humidity in the air to assist the smoke condition, so that the accuracy of fire alarm is improved.
Optionally, as shown in fig. 6, the apparatus 300 may further include a self-test circuit 308, where:
the self-checking circuit 308 comprises a sensor detection module 3081 and an alarm detection module 3082, the sensor detection module is connected between the sensor and the processor, and the alarm detection module is connected between the alarm and the processor;
the self-checking circuit is used for detecting fault information of the sensor and the alarm and transmitting the fault information to the processor.
It is understood that the sensor detection module 3081 may include a variety of sensor detections, such as: a first sensor and a second sensor may be included, and a third sensor and a fourth sensor may be further included. The self-checking circuit is used for detecting the sensor and the alarm, and the self-checking circuit can comprise a first sensor, a second sensor, an indicator light, a buzzer, a third sensor and a fourth sensor.
The self-checking circuit can complete the detection of the sensor, the indicator light and the buzzer through a self-checking button on the device, and can also complete the self-checking through a remote platform, for example: when the sensor, the indicator light and the buzzer are required to be detected whether to have faults or not, the self-checking button is pressed to perform self-checking on the local device, and the self-checking of the device can also be completed through the operation of a remote platform.
The self-checking circuit is connected with the processor and used for detecting the working states of the sensor and the alarm, the self-checking circuit comprises a sensor detection module 3081 and an alarm detection module 3082, the sensor detection module 3081 is used for detecting the working state of the sensor, the alarm detection module 3082 is used for detecting the working states of the indicator lamp alarm and the buzzer alarm, and the processor judges whether the alarm breaks down or not according to the reaction of the sensor and the alarm.
The sensor detection module 3081 in the embodiment of the invention can be connected between the sensor and the processor, the output end of the sensor detection module 3081 is connected with the processor, and the input end of the sensor detection module 3081 is connected with the sensor.
The alarm detection module 3082 in the embodiment of the present invention may be connected between the alarm and the processor, as shown in fig. 7, the alarm detection module 3082 may include a first resistor, a second resistor, a first triode, a first indicator light, a third resistor, a fourth resistor, a second triode, a second indicator light, a fifth resistor, a sixth resistor, a third triode, a third indicator light, and a buzzer, wherein a base of the first triode Q1 is connected to the first resistor R1, an emitter of the first triode Q1 is connected to a first end of the second resistor R2, a collector of the first triode Q1 is connected to the power voltage VCC through the first indicator light, a base of the second triode Q2 is connected to the third resistor R3, an emitter of the second triode Q2 is connected to a first end of the fourth resistor R4, a collector of the second triode Q2 is connected to the second indicator light, a base of the third triode Q3 is connected to the first resistor R1, an emitter of the third transistor Q3 is connected to a first end of the sixth resistor R6, and a collector of the third transistor Q3 is connected to the third indicator light. When the buzzer and the indicating lamp work normally, an alarm signal is input to the self-checking circuit through the processor, the buzzer can send out a sound alarm signal, and the indicating lamp can send out a light alarm signal. For example: when the self-checking circuit performs self-checking on the alarm, an alarm signal is transmitted to the indicator lamp module and the buzzer module through the processor, and at the moment, if the indicator lamp does not send a light alarm signal, fault information of the indicator lamp is transmitted to the processor; if the buzzer does not emit an audible alarm signal, transmitting buzzer fault information to the processor.
In this embodiment, can realize the self-checking to sensor and alarm fault, through the trouble that detects sensor and alarm, can also improve the degree of accuracy that fire detection device detected.
Optionally, in this embodiment, as shown in fig. 5, the apparatus 300 may further include a power module 309, where:
the output end of the power supply module is connected with the input ends of the sensor, the processor and the narrow-band Internet of things communication module and used for providing energy required by operation for the sensor, the processor and the narrow-band Internet of things communication module.
The power module can provide energy required by operation for the sensor, the processor and the narrow-band Internet of things communication module, so that the technical effect of improving the use efficiency of the device is achieved.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the self-test circuit may be formed with another connection manner, for example, the self-test circuit of the buzzer may be implemented by adding other elements such as a capacitor, for example, some module division may be implemented in practice with another division manner, or some features may be omitted, or not implemented. In addition, the signal transmissions shown or discussed with respect to each other may be in the form of communication links, electrical or otherwise. The modules described as separate parts may or may not be physically separate, may be located in one place, or may be distributed over a plurality of modules. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the apparatus described above may refer to the corresponding process in the foregoing method embodiment, and the apparatus 300 may implement each process implemented by the apparatus in the method embodiments of fig. 1 to fig. 2, and is not described herein again to avoid repetition. The device 300 can achieve the technical effect of improving the fire alarm accuracy.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method of fire detection, comprising:
acquiring first sensor detection information of a target area related to a fire;
under the condition that the first sensor detection information meets a first preset condition, second sensor detection information of the target area, which is related to the fire, is acquired;
and outputting an alarm signal under the condition that the detection information of the second sensor meets a second preset condition.
2. The method of claim 1, wherein the second sensor detecting information comprises:
the temperature and relative humidity of the target area;
under the condition that the detection information of the second sensor meets a second preset condition, outputting an alarm signal, comprising:
and outputting an alarm signal under the condition that at least one of the temperature or the relative humidity change of the target area meets a second preset condition.
3. The method of claims 1 to 2, further comprising at least one of:
acquiring third sensor detection information of a target area related to fire, and outputting an alarm signal under the condition that the third sensor detection information meets a third preset condition, wherein the third sensor detection information comprises carbon monoxide concentration;
and acquiring fourth sensor detection information of the target area related to the fire, and outputting an alarm signal under the condition that the fourth sensor detection information meets a fourth preset condition, wherein the fourth sensor detection information comprises the concentration of fine particles.
4. A fire detection device, comprising: first sensor, second sensor, treater and alarm, wherein:
the output end of the first sensor is connected with the first input end of the processor, and the first sensor is used for detecting first sensor detection information of a target area related to fire and transmitting the first sensor detection information to the processor;
the output end of the second sensor is connected with the second input end of the processor, and the second sensor is used for detecting second sensor detection information of a target area related to fire and transmitting the second sensor detection information to the processor;
the first output end of the processor is connected with the alarm, the processor is used for acquiring the detection information of the second sensor under the condition that the detection information of the first sensor meets a first preset condition, and outputting an alarm signal through the alarm under the condition that the detection information of the second sensor meets a second preset condition.
5. The apparatus of claim 4, wherein the second sensor comprises:
and the temperature sensor and the humidity sensor are used for acquiring the change information of the temperature and the relative humidity of the target area under the condition that the detection information of the first sensor meets a first preset condition.
6. The device of claim 4, wherein the alarm comprises:
the indicating lamp module is used for sending out a light warning signal;
and the buzzer module is used for sending out a sound alarm signal.
7. The apparatus of any one of claims 4 to 6, further comprising at least one of a third sensor and a fourth sensor, wherein:
an output of the third sensor is connected to a third input of the processor, and the third sensor is configured to detect third sensor detection information of a target area related to a fire and transmit the third sensor detection information to the processor, wherein the third sensor includes:
a carbon monoxide sensor;
the second output end of the processor is connected with the alarm, and the processor is used for outputting an alarm signal through the alarm under the condition that the detection information of the third sensor meets a third preset condition;
an output of the fourth sensor is coupled to a fourth input of the processor, and the fourth sensor is configured to detect fourth sensor detection information associated with a fire in a target area and transmit the fourth sensor detection information to the processor, wherein the fourth sensor comprises:
a fine particulate matter sensor;
and a third output end of the processor is connected with the alarm, and the processor is used for outputting an alarm signal through the alarm under the condition that the fourth sensor detection information meets a fourth preset condition.
8. The apparatus of any one of claims 4-6, wherein the apparatus further comprises a narrowband Internet of things communication module, wherein:
the input end of the narrow-band Internet of things communication module is connected with the fourth output end of the processor, the narrow-band Internet of things communication module is used for realizing baseband processing and radio frequency transceiving functions of signals and wirelessly transmitting the signals output by the processor to a far-end platform.
9. The apparatus of any of claims 4 to 6, further comprising a self-test circuit, wherein:
the self-checking circuit comprises a sensor detection module and an alarm detection module, the sensor detection module is connected between a sensor and a processor, and the alarm detection module is connected between an alarm and the processor;
the self-checking circuit is used for detecting fault information of the sensor and the alarm and transmitting the fault information to the processor.
10. The apparatus of any of claims 4 to 6, further comprising a power module, wherein:
the output end of the power supply module is connected with the input ends of the sensor, the processor and the narrow-band Internet of things communication module and used for providing energy required by operation for the sensor, the processor and the narrow-band Internet of things communication module.
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| CN115019475A (en) * | 2022-05-31 | 2022-09-06 | 中山亿联智能科技有限公司 | Tsunami early warning monitoring alarm system based on set top box platform |
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| CN115019475A (en) * | 2022-05-31 | 2022-09-06 | 中山亿联智能科技有限公司 | Tsunami early warning monitoring alarm system based on set top box platform |
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