CN117523770A - Floor smoke alarm system with wireless communication function - Google Patents

Floor smoke alarm system with wireless communication function Download PDF

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Publication number
CN117523770A
CN117523770A CN202311792496.6A CN202311792496A CN117523770A CN 117523770 A CN117523770 A CN 117523770A CN 202311792496 A CN202311792496 A CN 202311792496A CN 117523770 A CN117523770 A CN 117523770A
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China
Prior art keywords
module
data
smoke
alarm
fire
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Inventor
李振伟
崔亮节
王韬
苏涛
张鹏程
赵竞子
胡丹
王海港
蒯文科
任黎明
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Anhui Mingsheng Hengzhuo Technology Co ltd
State Grid Corp of China SGCC
Information and Telecommunication Branch of State Grid Anhui Electric Power Co Ltd
Original Assignee
Anhui Mingsheng Hengzhuo Technology Co ltd
State Grid Corp of China SGCC
Information and Telecommunication Branch of State Grid Anhui Electric Power Co Ltd
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Application filed by Anhui Mingsheng Hengzhuo Technology Co ltd, State Grid Corp of China SGCC, Information and Telecommunication Branch of State Grid Anhui Electric Power Co Ltd filed Critical Anhui Mingsheng Hengzhuo Technology Co ltd
Priority to CN202311792496.6A priority Critical patent/CN117523770A/en
Publication of CN117523770A publication Critical patent/CN117523770A/en
Pending legal-status Critical Current

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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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/005—Alarm destination chosen according to a hierarchy of available destinations, e.g. if hospital does not answer send to police station
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Fire Alarms (AREA)

Abstract

The invention relates to the technical field of smoke alarm, in particular to a floor smoke alarm system with a wireless communication function, which comprises: the system comprises a data acquisition module, a sensitivity adjustment module, a high-precision positioning module, a smoke temperature sensing module, a floor calibration module, a wireless transmission module, a real-time information data receiving module, an information data analysis and judgment module, an object management platform module and a fire platform module; and a data acquisition module: the method is used for collecting external environment parameters and building related parameter data in real time. According to the invention, the external factors of the place where the smoke temperature sensing module is used can be collected in real time, the sensitivity of the smoke sensing system can be adjusted in real time according to the collected external factors, the alarm can not be triggered immediately after the smoke with temperature is sensed, and the alarm operation can be triggered after the alarm is confirmed.

Description

Floor smoke alarm system with wireless communication function
Technical Field
The invention relates to the technical field of smoke alarm, in particular to a floor smoke alarm system with a wireless communication function.
Background
With the development of modern building technology and electric power technology, a large number of electrical equipment exists in a modern building, and the number of people living in the modern building is large, so that the internal environment of the modern building is complex. In order to ensure the safety of the building and personnel in the building, a smoke sensor is usually installed in the floor of the building, so that when smoke is sensed, the alarm can be timely given, the condition that fire disaster occurs in the floor is avoided, the people cannot know timely, and therefore personnel and property losses are caused. However, the sensitivity of the current smoke alarm system is a fixed value, and cannot be adjusted in real time according to external use environment factors, so that the smoke alarm system is prone to false alarm. For example, when people smoke, the generated smoke is captured by the smoke sensing system and then triggers an alarm; or the child washes the gas, intentionally causes smog around the smog sensor, and triggers an alarm after being captured by the smog sensing system; or some objects generating smoke are abandoned after being captured by the smoke sensor, and an alarm is triggered, so that not only is the fear of other personnel easily caused, but also the safety guiding personnel can be misled, and the waste of social resources is caused.
Disclosure of Invention
The invention aims at: in order to solve the problem that the sensitivity of the existing smoke alarm system cannot be adjusted in real time according to external use environment factors and false alarm is easy to occur, the floor smoke alarm system with the wireless communication function is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a floor smoke alarm system with wireless communication function, comprising: the system comprises a data acquisition module, a sensitivity adjustment module, a high-precision positioning module, a smoke temperature sensing module, a floor calibration module, a wireless transmission module, a real-time information data receiving module, an information data analysis and judgment module, an object management platform module and a fire platform module;
and a data acquisition module: the system is used for collecting external environment parameters and building related parameter data in real time;
sensitivity adjustment module: the device is used for comprehensively analyzing and processing the data acquired by the data acquisition module so as to obtain a sensitivity adjustment value and adjusting the sensitivity of the smoke temperature sensing module according to the sensitivity adjustment value;
and a high-precision positioning module: the device is used for positioning the position information of the current smoke temperature sensing module;
smoke temperature sensing module: the device is used for collecting the information data of the outside smoke concentration and the smoke temperature in real time;
floor calibration module: the information is used for calibrating the floor where the smoke temperature sensing module is located;
and a wireless transmission module: the device is used for transmitting information data acquired by the high-precision positioning module, the smoke temperature sensing module and the floor calibration module in real time;
information data real-time receiving module: the wireless transmission module is used for receiving real-time information data from the wireless transmission module in real time;
the information data analysis and judgment module: the device is used for analyzing the information data received by the information data real-time receiving module in real time so as to judge whether the smoke accompanies the position of the temperature sensing module to generate a fire or not, and sending out alarm information after the fire;
object pipe platform module: the system is used for receiving alarm information sent by the information data analysis and judgment module and sending the personnel of the object management to the treatment in time;
fire control platform module: the system is used for receiving alarm information from the material pipe platform, so that the nearest fire station can be alerted, and meanwhile, the position information of the fire condition is sent to the fire station.
Still further, the data acquisition module includes: the system comprises a temperature acquisition module, a humidity acquisition module, a building service life acquisition module, an electricity load acquisition module and a resident number acquisition module;
and a temperature acquisition module: the system is used for collecting external temperature information data in real time;
humidity acquisition module: the method is used for collecting outside humidity information data in real time:
building service life acquisition module: the system is used for collecting service life information data of the building in real time;
the electricity load acquisition module is used for: the system is used for collecting total electricity load information data of the current floor in real time;
the resident number acquisition module is used for: and the system is used for collecting the number of living rooms of the current floor.
Still further, the sensitivity adjustment module includes: the system comprises a data calling module, a data comprehensive analysis processing module and a real-time adjustment module;
and a data calling module: the data acquisition module is used for acquiring the acquired data in real time;
and the data comprehensive analysis and processing module is used for: the data processing module is used for comprehensively analyzing and processing the data called by the data calling module so as to obtain an analysis result;
and the real-time adjustment module is used for: and the device is used for adjusting the sensitivity of the smoke temperature sensing module in real time according to the result obtained by the data comprehensive analysis processing module.
Further, the specific analysis and processing process of the data comprehensive analysis and processing module is as follows: firstly, acquiring real-time temperature, real-time humidity, service life of a building, real-time total power load and resident number data of a current floor acquired by a data acquisition module from a data calling module; and then, comprehensively processing and analyzing the acquired data, so that a sensitivity adjustment value can be obtained:
wherein LMD is a sensitivity adjustment value, T is real-time temperature data, ht is real-time humidity data, N is building service life data, H is the number of living units on the current floor, D i For the power load of each household i.
Further, the information data analysis and judgment module includes: the system comprises a determining module, a decision making module and an alarm information forwarding module;
and a determination module: the smoke temperature sensing module is used for sensing the smoke with temperature and then determining whether the position of the smoke temperature sensing module is fire;
decision making module: the decision making module is used for making a decision of sending out an alarm signal according to the determination result of the determination module;
the alarm information forwarding module: the alarm device is used for forwarding alarm information to the object management platform module to realize alarm operation.
Further, the determining module judges whether the smoke accompanies the position of the temperature sensor to generate a fire condition or not comprises the following steps: when smog accompanies behind temperature sensing module sensing the smog that has the temperature, can gather smog concentration and smog temperature data in a period of time this moment every second, if:
determining that the smoke accompanies the position of the temperature sensing module to generate a fire; otherwise, determining that no fire occurs at the position of the smoke temperature sensing module; wherein YN s 、YT s Respectively the smoke concentration and temperature data in s per second, t is the total time, and Z is preset threshold data.
Further, after receiving the alarm information, the object pipe platform continuously collects the information data of the smoke concentration and the smoke temperature in each minute in a period of time, and if:
the object pipe platform generates an alarm signal to the fire-fighting platform, the fire-fighting platform alarms to the nearest fire-fighting station according to the alarm signal, otherwise, the fire-fighting platform is not subjected to alarm operation; wherein YN m 、YT m Smoke concentration and temperature data in m per minute, t 1 Z is the total number of times 1 For another predetermined threshold data.
Still further, the object tube platform includes: the system comprises a material pipe personnel position monitoring module and a material pipe personnel dispatching module;
the object management personnel position monitoring module: the position information of the object management personnel is monitored in real time;
and the object management personnel dispatch module is used for: for randomly dispatching a plurality of object management personnel from the object management personnel nearest to the occurrence point to be disposed according to the condition of the fire after the fire.
Further, the dispatching process of the object management personnel dispatching module is as follows: firstly, according to a material management personnel position monitoring module, a plurality of material management personnel closest to an occurrence point are found, and the material management personnel are sequenced from front to back according to the finding sequence; then, acquiring the smoke concentration and temperature data of the occurrence point, and analyzing the number of object management personnel to be dispatched according to the acquired smoke concentration and temperature data of the occurrence point:
S r ＝(YN+YT)×μ
wherein S is r For the number of people needing dispatching, YN and YT are respectively the smoke concentration and temperature data of the points, and mu is a dispatching coefficient: 0.05-0.1;
then randomly selecting the number of people needing to be dispatched from a plurality of object management personnel closest to the occurrence point:
B＝(L/random)→S r ，random∈(0，L]
wherein B is a sorting number, L is the total amount of the object personnel nearest to the occurrence point, random is a random number, ". Fwdarw.S r "formula" b= (L/range) "run S r And twice.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
according to the invention, external factors of a place where the smoke temperature sensing module is used can be collected in real time, the sensitivity of the smoke sensing system can be adjusted in real time according to the collected external factors, an alarm is not triggered immediately after sensing smoke with temperature, and an alarm operation is triggered after waiting for confirmation. In addition, after confirming that smog accompanies the place that temperature sensing module was located and takes place the condition of a fire, can dispatch a plurality of article management personnel according to the condition of a fire and go to the processing, avoid article management personnel not enough to lead to handling the condition of a fire manpower inadequately or article management personnel too much lead to the extravagant condition of manpower. And in the process that the object management personnel go to the disposal, the fire can be continuously monitored, and when the object management personnel cannot process the fire, the fire can be automatically alarmed to the nearest fire station.
Drawings
Fig. 1 is a schematic diagram of a system principle of a floor smoke alarm system with a wireless communication function.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: provided is a floor smoke alarm system with wireless communication function, comprising:
and a data acquisition module: the module respectively acquires external temperature data, external humidity data and current floor total electricity load data in real time through a temperature acquisition module, a humidity acquisition module and an electricity load acquisition module; and simultaneously, the service life data of the building and the resident number of the current floor are respectively acquired through the building service life acquisition module and the resident number acquisition module.
Sensitivity adjustment module: the module can be integrated in the smoke temperature sensing module, the data collected by the data collection module is called in real time through the data calling module, and the collected data is sent to the data comprehensive analysis processing module for analysis and processing, so that the sensitivity adjustment value can be obtained:
wherein LMD is a sensitivity adjustment value, T is real-time temperature data, ht is real-time humidity data, N is building service life data, H is the number of living units on the current floor, D i The power load of each user i;
after the sensitivity adjustment value is obtained, the sensitivity of the smoke temperature sensing module is adjusted through the real-time adjustment module.
And a high-precision positioning module: the module can be integrated in a smoke temperature sensing module, and the module can position the position information of the current smoke temperature sensing module in a GPS or Beidou or GPS+Beidou mode.
Smoke temperature sensing module: through integrating infrared temperature sensing element or other temperature sensing elements in smoke sensing module, realize also can respond to the temperature of smog in real time when gathering smog concentration data to realize smog and smog temperature's response.
Floor calibration module: the module can be integrated in the smoke temperature sensing module, and floor data installed by the smoke temperature sensing module are stored in the module, so that floors can be calibrated.
And a wireless transmission module: the method is characterized in that information data collected by the high-precision positioning module, the smoke temperature sensing module and the floor calibration module are transmitted in real time in a cellular network or GPRS mode.
Information data real-time receiving module: for receiving real-time information data from the wireless transmission module in real time.
The information data analysis and judgment module: the device is used for analyzing the information data received by the information data real-time receiving module in real time, and after the determining module determines that the smoke temperature sensing module senses the smoke with temperature, the smoke concentration and the smoke temperature data of each second in a period of time (10-15 s) can be acquired, if:
determining that the smoke accompanies the position of the temperature sensing module to generate a fire; otherwise, determining that no fire occurs at the position of the smoke temperature sensing module; wherein YN s 、YT s Respectively obtaining smoke concentration and temperature data in each second s, wherein t is the total time, and Z is preset threshold data;
when the fire condition occurs at the position where the smoke temperature sensing module is located, an alarm signal is made through the decision making module, and the alarm information (including the building where the fire condition occurs and the floor information) is transmitted to the object management platform module through the alarm information forwarding module, so that alarm operation is realized.
Object pipe platform module: monitoring the position information of each object management person in real time through an object management person position monitoring module; after receiving the alarm information from the information data analysis and judgment module, finding a plurality of object management personnel closest to the occurrence point through the object management personnel position monitoring module, and sorting the plurality of object management personnel from front to back according to the finding order, for example [ r ] 1 ，r 2 ，...，r n ]The method comprises the steps of carrying out a first treatment on the surface of the Then, acquiring the smoke concentration and temperature data of the occurrence point, and analyzing the number of object management personnel to be dispatched according to the acquired smoke concentration and temperature data of the occurrence point:
S r ＝(YN+YT)×μ
wherein S is r For the number of people needing dispatching, YN and YT are respectively the smoke concentration and temperature data of the points, and mu is a dispatching coefficient: 0.05-0.1;
then randomly selecting the number of people needing to be dispatched from a plurality of object management personnel closest to the occurrence point:
B＝(L/random)→S r ，random∈(0，L]
wherein B is a sorting number, L is the total amount of the object personnel nearest to the occurrence point, random is a random number, ". Fwdarw.S r "formula" b= (L/range) "run S r Secondary times;
and finally, notifying the selected object management personnel to go to process by the object management personnel dispatch module.
After receiving the alarm information and sending the object management personnel to the treatment, the object management platform continuously collects the smoke concentration and smoke temperature information data in each minute within a period of time (10-15 min), and if:
the object pipe platform sends out to the fire-fighting platformGenerating an alarm signal, and alarming the nearest fire station by the fire-fighting platform according to the alarm signal, otherwise, not alarming the fire-fighting platform; wherein YN m 、YT m Smoke concentration and temperature data in m per minute, t 1 Z is the total number of times 1 For another predetermined threshold data.
Fire control platform module: the system is used for receiving alarm information (comprising the position information of the occurrence point and the floor information of the occurrence point) from the material pipe platform, so that the system can alarm to the nearest fire station and simultaneously send the position information of the occurrence of fire to the fire station.
Wherein, the electrical components appearing in this document are all electrical components existing in reality.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (9)

1. A floor smoke alarm system with wireless communication function, comprising: the system comprises a data acquisition module, a sensitivity adjustment module, a high-precision positioning module, a smoke temperature sensing module, a floor calibration module, a wireless transmission module, a real-time information data receiving module, an information data analysis and judgment module, an object management platform module and a fire platform module;
and a data acquisition module: the system is used for collecting external environment parameters and building related parameter data in real time;
sensitivity adjustment module: the device is used for comprehensively analyzing and processing the data acquired by the data acquisition module so as to obtain a sensitivity adjustment value and adjusting the sensitivity of the smoke temperature sensing module according to the sensitivity adjustment value;
and a high-precision positioning module: the device is used for positioning the position information of the current smoke temperature sensing module;
smoke temperature sensing module: the device is used for collecting the information data of the outside smoke concentration and the smoke temperature in real time;
floor calibration module: the information is used for calibrating the floor where the smoke temperature sensing module is located;
and a wireless transmission module: the device is used for transmitting information data acquired by the high-precision positioning module, the smoke temperature sensing module and the floor calibration module in real time;
information data real-time receiving module: the wireless transmission module is used for receiving real-time information data from the wireless transmission module in real time;
the information data analysis and judgment module: the device is used for analyzing the information data received by the information data real-time receiving module in real time so as to judge whether the smoke accompanies the position of the temperature sensing module to generate a fire or not, and sending out alarm information after the fire;
object pipe platform module: the system is used for receiving alarm information sent by the information data analysis and judgment module and sending the personnel of the object management to the treatment in time;
fire control platform module: the system is used for receiving alarm information from the material pipe platform, so that the nearest fire station can be alerted, and meanwhile, the position information of the fire condition is sent to the fire station.
2. The floor smoke alarm system with wireless communication function according to claim 1, wherein the data acquisition module comprises: the system comprises a temperature acquisition module, a humidity acquisition module, a building service life acquisition module, an electricity load acquisition module and a resident number acquisition module;
and a temperature acquisition module: the system is used for collecting external temperature information data in real time;
humidity acquisition module: the method is used for collecting outside humidity information data in real time:
building service life acquisition module: the system is used for collecting service life information data of the building in real time;
the electricity load acquisition module is used for: the system is used for collecting total electricity load information data of the current floor in real time;
the resident number acquisition module is used for: and the system is used for collecting the number of living rooms of the current floor.
3. The floor smoke alarm system with wireless communication function according to claim 2, wherein the sensitivity adjustment module comprises: the system comprises a data calling module, a data comprehensive analysis processing module and a real-time adjustment module;
and a data calling module: the data acquisition module is used for acquiring the acquired data in real time;
and the data comprehensive analysis and processing module is used for: the data processing module is used for comprehensively analyzing and processing the data called by the data calling module so as to obtain an analysis result;
and the real-time adjustment module is used for: and the device is used for adjusting the sensitivity of the smoke temperature sensing module in real time according to the result obtained by the data comprehensive analysis processing module.
4. The floor smoke alarm system with the wireless communication function according to claim 3, wherein the specific analysis and processing process of the data comprehensive analysis and processing module is as follows: firstly, acquiring real-time temperature, real-time humidity, service life of a building, real-time total power load and resident number data of a current floor acquired by a data acquisition module from a data calling module; and then, comprehensively processing and analyzing the acquired data, so that a sensitivity adjustment value can be obtained:
wherein LMD is a sensitivity adjustment value, T is real-time temperature data, ht is real-time humidity data, N is building service life data, H is the number of living units on the current floor, D i For the power load of each household i.
5. The floor smoke alarm system with wireless communication function according to claim 1, wherein the information data analysis and judgment module comprises: the system comprises a determining module, a decision making module and an alarm information forwarding module;
and a determination module: the smoke temperature sensing module is used for sensing the smoke with temperature and then determining whether the position of the smoke temperature sensing module is fire;
decision making module: the decision making module is used for making a decision of sending out an alarm signal according to the determination result of the determination module;
the alarm information forwarding module: the alarm device is used for forwarding alarm information to the object management platform module to realize alarm operation.
6. The floor smoke alarm system with wireless communication function according to claim 5, wherein the determining module determines whether a fire condition occurs at a location where the smoke temperature sensor is located, by: when smog accompanies behind temperature sensing module sensing the smog that has the temperature, can gather smog concentration and smog temperature data in a period of time this moment every second, if:
determining that the smoke accompanies the position of the temperature sensing module to generate a fire; otherwise, determining that no fire occurs at the position of the smoke temperature sensing module; wherein YN s 、YT s Respectively the smoke concentration and temperature data in s per second, t is the total time, and Z is preset threshold data.
7. The floor smoke alarm system with wireless communication function according to claim 1, wherein the object pipe platform continues to collect the smoke concentration and smoke temperature information data in a period of time every minute after receiving the alarm information, if:
the object pipe platform gives an alarm to the fire-fighting platformThe signal, the fire control platform alarms to the nearest fire station according to the alarm signal, otherwise, does not alarm to the fire control platform; wherein YN m 、YT m Smoke concentration and temperature data in m per minute, t 1 Z is the total number of times 1 For another predetermined threshold data.
8. The floor smoke alarm system with wireless communication function according to claim 1, wherein the object pipe platform comprises: the system comprises a material pipe personnel position monitoring module and a material pipe personnel dispatching module;
the object management personnel position monitoring module: the position information of the object management personnel is monitored in real time;
and the object management personnel dispatch module is used for: for randomly dispatching a plurality of object management personnel from the object management personnel nearest to the occurrence point to be disposed according to the condition of the fire after the fire.
9. The floor smoke alarm system with wireless communication function according to claim 8, wherein the dispatching process of the object person dispatching module is: firstly, according to a material management personnel position monitoring module, a plurality of material management personnel closest to an occurrence point are found, and the material management personnel are sequenced from front to back according to the finding sequence; then, acquiring the smoke concentration and temperature data of the occurrence point, and analyzing the number of object management personnel to be dispatched according to the acquired smoke concentration and temperature data of the occurrence point:
S r ＝(YN+YT)×μ
wherein S is r For the number of people needing dispatching, YN and YT are respectively the smoke concentration and temperature data of the points, and mu is a dispatching coefficient: 0.05-0.1;
then randomly selecting the number of people needing to be dispatched from a plurality of object management personnel closest to the occurrence point:
B＝(L/random)→S r ，random∈(0，L]
wherein B is a sequencing number, L is the total amount of object management personnel nearest to the occurrence point, random is a random number'→S r "formula" b= (L/range) "run S r And twice.
CN202311792496.6A 2023-12-25 2023-12-25 Floor smoke alarm system with wireless communication function Pending CN117523770A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311792496.6A CN117523770A (en) 2023-12-25 2023-12-25 Floor smoke alarm system with wireless communication function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311792496.6A CN117523770A (en) 2023-12-25 2023-12-25 Floor smoke alarm system with wireless communication function

Publications (1)

Publication Number Publication Date
CN117523770A true CN117523770A (en) 2024-02-06

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Application Number Title Priority Date Filing Date
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Country Status (1)

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