CN113112734A - Smoke detection method, related system and device and storage medium - Google Patents
Smoke detection method, related system and device and storage medium Download PDFInfo
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- CN113112734A CN113112734A CN202110353454.7A CN202110353454A CN113112734A CN 113112734 A CN113112734 A CN 113112734A CN 202110353454 A CN202110353454 A CN 202110353454A CN 113112734 A CN113112734 A CN 113112734A
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- 239000000779 smoke Substances 0.000 title claims abstract description 134
- 238000001514 detection method Methods 0.000 title claims abstract description 80
- 238000003860 storage Methods 0.000 title claims abstract description 18
- 238000004364 calculation method Methods 0.000 claims abstract description 56
- 230000000007 visual effect Effects 0.000 claims abstract description 37
- 238000009826 distribution Methods 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 21
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101100494773 Caenorhabditis elegans ctl-2 gene Proteins 0.000 description 1
- 101100112369 Fasciola hepatica Cat-1 gene Proteins 0.000 description 1
- 101100005271 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) cat-1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
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- 238000005286 illumination Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
- 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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- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention provides a smoke detection method, which comprises the following steps: collecting smoke data in real time and generating a voltage signal; filtering the voltage signal to generate a calculation result; judging the voltage value of the calculation result, if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off a power supply of the control loop module so as to turn off the street lamp loop, starting the audible and visual alarm and generating a first alarm result, and if the calculation result is greater than a preset second threshold voltage, starting the fire extinguisher, turning off a main power supply of the distribution box, starting the audible and visual alarm and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage. The invention also provides a smoke detection system, a smoke detection device and a computer readable storage medium. Compared with the related art, the technical scheme of the invention can detect the fire risk of the distribution box and has high reliability.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to the field of lighting device technologies, and in particular, to a smoke detection method, a smoke detection system, a smoke detection device, and a computer-readable storage medium.
[ background of the invention ]
At present, the street lamp is the indispensable lighting means in people's daily life, and it provides the illumination for pedestrian and vehicle on the road to guarantee people's trip safety. Wherein, the concentrator is generally used for controlling the street lamp return circuit, and the control current in return circuit can be bigger usually, and the concentrator is generally installed in the block terminal, and the consumer that takes in whole block terminal can be comparatively many.
However, the distribution box is used outdoors, the temperature range is wide, when the loop current is large and the temperature is too high, some components may work in the limit condition, so that the smoke may be generated due to overheating, but under the condition that the smoke occurs in the distribution box, the operation and maintenance personnel of the management and maintenance center at a remote place cannot timely know the condition, so that the risk of fire is further increased.
Therefore, there is a need to provide a new method, system, device and storage medium to solve the above technical problems.
[ summary of the invention ]
The present invention is directed to overcome the above-mentioned problems, and provides a smoke detection method, a smoke detection system, a smoke detection device, and a computer-readable storage medium, which can detect a fire risk of a distribution box and have high reliability.
In order to achieve the above object, the present invention provides a smoke detection method, which is applied to a distribution box, wherein the distribution box is provided with a main power supply, a concentrator, a control loop module electrically connected with the concentrator, an audible and visual alarm for sending an alarm signal, and a fire extinguisher, and the method comprises the following steps:
step S1, smoke data collected in real time are generated into voltage signals;
step S2, filtering and calculating the voltage signal and generating a calculation result;
step S3, determining the voltage value of the calculation result:
if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off the power supply of the control loop module so as to turn off the street lamp loop, starting the audible and visual alarm and generating a first alarm result,
if the calculation result is larger than a preset second threshold voltage, starting a fire extinguisher, turning off a main power supply of a distribution box, starting the audible and visual alarm, and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage.
Preferably, in step S1, the smoke data is a combination of the smoke solid particle concentration and the sulfur dioxide concentration.
Preferably, after the step S3, the smoke detection method further includes the steps of:
and step S4, transmitting the first warning result and/or the second warning result to a server in real time communication.
Preferably, the fire extinguisher is a disposable dry powder fire extinguisher.
The invention also provides a smoke detection system, which is arranged on the distribution box, and the smoke detection system comprises:
the main power supply is used for supplying power;
the smoke sensor is used for collecting smoke data in real time and generating a voltage signal;
the control loop module is used for controlling the street lamp loop;
the audible and visual alarm is used for giving out light and sound to warn;
a fire extinguisher for extinguishing a fire;
the concentrator is used for disconnecting or connecting the control loop module;
the smoke circuit board is used for carrying out filtering calculation on the voltage signal and generating a calculation result; judging the voltage value of the calculation result, if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off a power supply of the control loop module to turn off a street lamp loop, starting the audible and visual alarm and generating a first alarm result, and if the calculation result is greater than a preset second threshold voltage, starting a fire extinguisher, turning off a total power supply of a distribution box, starting the audible and visual alarm and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage;
the smoke circuit board, the smoke sensor, the control loop module, the audible and visual alarm, the fire extinguisher and the concentrator are all electrically connected with the main power supply;
the control loop module is electrically connected with the concentrator;
the smoke sensor, the audible and visual alarm and the fire extinguisher are respectively and electrically connected with the singlechip;
the smoke circuit board is in data connection with the concentrator.
Preferably, the smoke circuit board and the concentrator are in data connection through serial port communication.
Preferably, the concentrator comprises a single chip microcomputer.
Preferably, the smoke detection system further comprises a communication module, the communication module is used for transmitting the first warning result and/or the second warning result to a server in a real-time communication manner, and the communication module is electrically connected with the smoke circuit board.
The invention also provides a smoke detection apparatus comprising a processor and a memory, the processor being arranged to read a program in the memory and to perform the steps of the smoke detection method as claimed in any one of the above.
The invention also provides a computer readable storage medium having stored thereon a program of a smoke detection method, which when executed by a processor, carries out the steps of the smoke detection method as defined in any one of the above.
Compared with the prior art, the smoke detection method, the smoke detection system, the smoke detection device and the computer readable storage medium of the invention are realized by the smoke detection method, and the method comprises the following steps: step S1, smoke data collected in real time are generated into voltage signals; step S2, filtering and calculating the voltage signal and generating a calculation result; step S3, judging the voltage value of the calculation result, if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off the power supply of the control loop module to turn off the street lamp loop, starting the audible and visual alarm, generating a first alarm result, and if the calculation result is greater than a preset second threshold voltage, starting a fire extinguisher, turning off the main power supply of the distribution box, starting the audible and visual alarm, and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage. Through the steps, the smoke detection method disclosed by the invention carries out filtering calculation on the smoke data acquired in real time and the voltage signal generated by generating the voltage signal, and judges the voltage value of the calculation result generated by the calculation, so that the loop control signal can be turned off in time when the smoke risk occurs, and the power switch of the loop control module of the distribution box is turned off in time when the fire risk that the calculation result is greater than the preset second threshold voltage occurs, so that the risk is reduced, and the reliability is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a block flow diagram of a smoke detection method of the present invention;
FIG. 2 is a schematic diagram of a smoke detection system according to the present invention;
fig. 3 is a schematic structural diagram of a smoke detection device according to the present invention.
[ detailed description ] embodiments
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The terms "comprising" and "having," and any variations thereof, in the description and claims of this application and the description of the figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Reference herein to "an embodiment or this implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a flow chart of a smoke detection method according to the present invention. The invention provides a smoke detection method. The smoke detection method is applied to a distribution box. The distribution box is provided with a main power supply, a concentrator, a control loop module electrically connected with the concentrator, an audible and visual alarm for sending an alarm signal and a fire extinguisher.
The smoke detection method comprises the following steps:
and step S1, collecting the smoke data in real time and generating a voltage signal.
In this embodiment, the smoke data is comprehensive data of the concentration of solid smoke particles and the concentration of sulfur dioxide. Gather the smog data mode is for passing through infrared emitter and infrared receiver of block terminal installation, through infrared emitter transmission beam to infrared receiver, when smog concentration grow, the corresponding diminishing of beam intensity that infrared receiver received and through the antiphase generation the voltage signal grow. The combined mode of the infrared transmitter and the infrared receiver has the characteristics of accurate data acquisition and high reliability.
And step S2, performing filtering calculation on the voltage signal and generating a calculation result.
Wherein the generated calculation result is also a voltage value, and the filtering calculation filters out noise in the voltage signal generated in the step S1. The filtering calculation is performed using techniques commonly used in the art.
Step S3, determining the voltage value of the calculation result:
and if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off the power supply of the control loop module so as to turn off the street lamp loop, starting the audible and visual alarm, and generating the first alarm result.
The control current of the street lamp loop can be cut off by turning off the loop control signal, so that the situation of overhigh temperature caused by overlarge loop current is controlled, and smoke is reduced fundamentally.
If the calculation result is larger than a preset second threshold voltage, starting a fire extinguisher, turning off a main power supply of a distribution box, starting the audible and visual alarm, and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage.
This step completely de-energizes the main power supply of the electrical box, reducing the operating current of the circuit devices within the electrical box to zero, further reducing the temperature and smoke generation, and thereby further increasing reliability.
In this embodiment, the fire extinguisher is a disposable dry chemical extinguisher. If the temperature is higher in the block terminal, the condition of catching fire appears, and the fortune dimension personnel can't in time arrive, the block terminal is equipped with the fire extinguisher can in time be handled to reduce the loss. The disposable dry powder fire extinguisher has small volume and can extinguish fire in electric appliances in time. Of course, the fire extinguisher is not limited to the above, and in another embodiment, the fire extinguisher may be remotely controlled by the server to manually start fire extinguishing, and this configuration may allow operation and maintenance personnel to flexibly process the fire extinguishing according to the information received by the server.
In this embodiment, the audible and visual alarm displays different lights according to the first alarm result and the second alarm result. The warning lamp can be distinguished and displayed through LEDs with different colors.
And step S4, transmitting the first warning result and/or the second warning result to a server in real time communication.
The step S4 enables the remote operation and maintenance center to receive and know the first warning result and the second warning result in real time through the server, so as to arrange the operation and maintenance personnel to check in time and prevent further deterioration of the fire.
Referring to fig. 2, the present invention further provides a smoke detection system 100, wherein the smoke detection system 100 is installed in a distribution box.
The smoke detection system 100 comprises a main power supply 1, a smoke sensor 2, a control loop module 3, an audible and visual alarm 4, a fire extinguisher 5, a concentrator 6 and a smoke circuit board 7.
The mains power supply 1 is used for supplying power.
The smoke sensor 2 is used for collecting smoke data in real time and generating a voltage signal.
The control loop module 3 is used for controlling a street lamp loop.
And the audible and visual alarm 4 is used for giving out light and sound to warn. And the audible and visual alarm 4 displays different lights according to the first alarm result and the second alarm result. The audible and visual alarm 4 can be distinguished and displayed through LEDs with different colors.
The fire extinguisher 5 is used for extinguishing a fire. In this embodiment, the fire extinguisher 5 is a disposable dry chemical extinguisher. The disposable dry powder fire extinguisher has small volume and can extinguish fire in electric appliances in time. Of course, the fire extinguisher is not limited to the above, and in another embodiment, the fire extinguisher may be remotely controlled by the server to manually start fire extinguishing, and this configuration may allow operation and maintenance personnel to flexibly process the fire extinguishing according to the information received by the server.
The concentrator 6 is used to switch the control loop module 3 off or on. Wherein, the concentrator 6 comprises a singlechip.
The smoke circuit board 7 is used for filtering and calculating the voltage signal and generating a calculation result; judging the voltage value of the calculation result, if the calculation result is greater than a preset first threshold voltage, controlling the concentrator 6 to turn off the power supply of the control loop module 3 to turn off the street lamp loop, starting the audible and visual alarm 4, and generating the first alarm result; and if the calculation result is greater than a preset second threshold voltage, starting a fire extinguisher 5, turning off a main power supply 1 of the distribution box, starting the audible and visual alarm 4, and generating a second alarm result. Wherein the second threshold voltage is greater than the first threshold voltage.
The connection relationship of the smoke detection system 100 is as follows:
the smoke circuit board 7, the smoke sensor 2, the control loop module 3, the audible and visual alarm 4, the fire extinguisher 5 and the concentrator 6 are all electrically connected with the main power supply 1.
The control loop module 3 is electrically connected to the concentrator 6.
The smoke sensor 2, the audible and visual alarm 4 and the fire extinguisher 5 are respectively and electrically connected with the single chip microcomputer.
The smoke circuit board 7 is in data connection with the concentrator 6. In this embodiment, the smoke circuit board and the concentrator are in data connection through serial communication.
The smoke detection system 100 also includes a communication module 8. The communication module 8 is used for transmitting the first warning result and/or the second warning result to a server in real time communication. The communication module is electrically connected with the smoke circuit board. In this embodiment, the communication module 8 is communicatively connected to the server through 4G or CAT1
It should be noted that, in this embodiment, the total power supply 1, the smoke sensor 2, the control loop module 3, the audible and visual alarm 4, the fire extinguisher 5, the concentrator 6, the smoke circuit board 7 and the communication module 8 are all common components and modules in the field, and the specifically selected model is selected according to the actual needs of a user, and is not described herein again.
The invention also provides a smoke detection device 1000. Referring to fig. 3, fig. 3 is a schematic structural diagram of a smoke detection device 1000 according to the present invention.
The smoke detection device 1000 comprises a processor 1001, a memory 1002, a network interface 1003 and a computer program stored on the memory 1002 and operable on the processor 1001, wherein the processor 1001 is configured to read the program stored in the memory 1002, and the processor 1001, when executing the computer program, implements the steps in the smoke detection method provided by the embodiment. I.e. the processor 1001 performs the steps of the smoke detection method.
Specifically, the processor 1001 is configured to perform the following steps:
and step S1, collecting the smoke data in real time and generating a voltage signal. Wherein the smoke data is comprehensive data of smoke solid particle concentration and sulfur dioxide concentration.
And step S2, performing filtering calculation on the voltage signal and generating a calculation result.
Step S3, judging the voltage value of the calculation result, if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off the power supply of the control loop module to turn off the street lamp loop, starting the audible and visual alarm, generating a first alarm result, and if the calculation result is greater than a preset second threshold voltage, starting a fire extinguisher, turning off the main power supply of the distribution box, starting the audible and visual alarm, and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage. Wherein, the fire extinguisher is a disposable dry powder fire extinguisher.
And step S4, transmitting the first warning result and/or the second warning result to a server in real time communication.
The smoke detection device 1000 provided in the embodiment of the present invention can implement each implementation manner in the smoke detection method embodiment and corresponding beneficial effects, and for avoiding repetition, details are not described here.
It is noted that only 1001-1003 with components are shown, but it is understood that not all of the illustrated components are required and that more or fewer components may be implemented instead. As will be understood by those skilled in the art, the smoke detection device 1000 is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and the hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable gate array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The memory 1002 includes at least one type of readable storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc. In some embodiments, the memory 1002 may be an internal storage unit of the smoke detection device 1000, such as a hard disk or a memory of the smoke detection device. In other embodiments, the memory 1002 may also be an external storage device of the smoke detection device 1000, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like, provided on the smoke detection device 1000. Of course, the memory 1002 may also include both internal and external memory units of the smoke detection device. In this embodiment, the memory 1002 is generally used to store an operating system installed in the smoke detection device 1000 and various types of application software, such as program codes of a smoke detection method of the smoke detection device 1000. The memory 1002 may also be used to temporarily store various types of data that have been output or are to be output.
The processor 1001 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. The processor 1001 is typically used to control the overall operation of the smoke detection apparatus 1000. In this embodiment, the processor 1001 is configured to run a program code stored in the memory 1002 or process data, for example, a program code of a smoke detection method of the smoke detection apparatus 1000.
The network interface 1003 may include a wireless network interface or a wired network interface, and the network interface 1003 is generally used to establish a communication connection between the smoke detection device 1000 and other electronic devices.
The present invention further provides a computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, the computer program comprises program instructions, and the program instructions, when executed by the processor 1001, implement the steps in the smoke detection method, and achieve the same technical effects, and are not described herein again to avoid repetition.
It will be understood by those skilled in the art that all or part of the flow of the smoke detection method of the smoke detection device according to the embodiments may be implemented by a computer program instructing associated hardware, and the program may be stored in a computer-readable storage medium, and when executed, may include the flow of the embodiments of the methods. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The present embodiment mentioned in the examples of the present invention is for convenience of description. The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Compared with the prior art, the smoke detection method, the smoke detection system, the smoke detection device and the computer readable storage medium of the invention are realized by the smoke detection method, and the method comprises the following steps: step S1, smoke data collected in real time are generated into voltage signals; step S2, filtering and calculating the voltage signal and generating a calculation result; step S3, judging the voltage value of the calculation result, if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off the power supply of the control loop module to turn off the street lamp loop, starting the audible and visual alarm, generating a first alarm result, and if the calculation result is greater than a preset second threshold voltage, starting a fire extinguisher, turning off the main power supply of the distribution box, starting the audible and visual alarm, and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage. Through the steps, the smoke detection method disclosed by the invention carries out filtering calculation on the smoke data acquired in real time and the voltage signal generated by generating the voltage signal, and judges the voltage value of the calculation result generated by the calculation, so that the loop control signal can be turned off in time when the smoke risk occurs, and the power switch of the loop control module of the distribution box is turned off in time when the fire risk that the calculation result is greater than the preset second threshold voltage occurs, so that the risk is reduced, and the reliability is improved.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A smoke detection method is applied to a distribution box, the distribution box is provided with a main power supply, a concentrator, a control loop module electrically connected with the concentrator, an audible and visual alarm for sending an alarm signal and a fire extinguisher, and the smoke detection method is characterized by comprising the following steps:
step S1, smoke data collected in real time are generated into voltage signals;
step S2, filtering and calculating the voltage signal and generating a calculation result;
step S3, determining the voltage value of the calculation result:
if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off the power supply of the control loop module so as to turn off the street lamp loop, starting the audible and visual alarm and generating a first alarm result,
if the calculation result is larger than a preset second threshold voltage, starting a fire extinguisher, turning off a main power supply of a distribution box, starting the audible and visual alarm, and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage.
2. The smoke detection method according to claim 1, wherein in the step S1, the smoke data is a combination of smoke solid particle concentration and sulfur dioxide concentration.
3. The smoke detection method according to claim 1, wherein after the step S3, the smoke detection method further comprises the steps of:
and step S4, transmitting the first warning result and/or the second warning result to a server in real time communication.
4. The smoke detection method of claim 1, wherein said fire extinguisher is a disposable dry powder fire extinguisher.
5. A smoke detection system mounted to a power distribution box, the smoke detection system comprising:
the main power supply is used for supplying power;
the smoke sensor is used for collecting smoke data in real time and generating a voltage signal;
the control loop module is used for controlling the street lamp loop;
the audible and visual alarm is used for giving out light and sound to warn;
a fire extinguisher for extinguishing a fire;
the concentrator is used for disconnecting or connecting the control loop module;
the smoke circuit board is used for carrying out filtering calculation on the voltage signal and generating a calculation result; judging the voltage value of the calculation result, if the calculation result is greater than a preset first threshold voltage, controlling the concentrator to turn off a power supply of the control loop module to turn off a street lamp loop, starting the audible and visual alarm and generating a first alarm result, and if the calculation result is greater than a preset second threshold voltage, starting a fire extinguisher, turning off a total power supply of a distribution box, starting the audible and visual alarm and generating a second alarm result; wherein the second threshold voltage is greater than the first threshold voltage;
the smoke circuit board, the smoke sensor, the control loop module, the audible and visual alarm, the fire extinguisher and the concentrator are all electrically connected with the main power supply;
the control loop module is electrically connected with the concentrator;
the smoke sensor, the audible and visual alarm and the fire extinguisher are respectively and electrically connected with the singlechip;
the smoke circuit board is in data connection with the concentrator.
6. The smoke detection system of claim 5, wherein said smoke circuit board is in data connection with said concentrator via serial port communication.
7. The smoke detection system of claim 5, wherein the concentrator comprises a single chip microcomputer.
8. The smoke detection system of claim 5, further comprising a communication module for real-time communication transmission of the first and/or second warning results to a server, the communication module being electrically connected to the smoke circuit board.
9. A smoke detection apparatus comprising a processor and a memory, said processor being adapted to read a program in said memory and to perform the steps of the smoke detection method of any one of claims 1 to 4.
10. A computer-readable storage medium, characterized in that a program of a smoke detection method is stored on the computer-readable storage medium, which program, when being executed by a processor, carries out the steps of the smoke detection method according to any one of claims 1 to 4.
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| CN113623696A (en) * | 2021-08-12 | 2021-11-09 | 华帝股份有限公司 | Internet of things control method and system based on photoelectric smoke sensor |
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