[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN114495465B - Automatic testing and checking system and method for smoke sensor based on atomization core - Google Patents

Automatic testing and checking system and method for smoke sensor based on atomization core Download PDF

Info

Publication number
CN114495465B
CN114495465B CN202210006978.3A CN202210006978A CN114495465B CN 114495465 B CN114495465 B CN 114495465B CN 202210006978 A CN202210006978 A CN 202210006978A CN 114495465 B CN114495465 B CN 114495465B
Authority
CN
China
Prior art keywords
smoke
internet
things module
aerosol
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210006978.3A
Other languages
Chinese (zh)
Other versions
CN114495465A (en
Inventor
付学勇
傅兴远
张光军
王志民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Shanxiao Intelligent Security Technology Co ltd
Original Assignee
Shandong Shanxiao Intelligent Security Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Shanxiao Intelligent Security Technology Co ltd filed Critical Shandong Shanxiao Intelligent Security Technology Co ltd
Priority to CN202210006978.3A priority Critical patent/CN114495465B/en
Publication of CN114495465A publication Critical patent/CN114495465A/en
Application granted granted Critical
Publication of CN114495465B publication Critical patent/CN114495465B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12Checking intermittently signalling or alarm systems
    • G08B29/14Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16YINFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y40/00IoT characterised by the purpose of the information processing
    • G16Y40/30Control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/38Services specially adapted for particular environments, situations or purposes for collecting sensor information

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)

Abstract

The invention relates to the technical field of fire-fighting facilities and fire-fighting maintenance detection and verification, in particular to an automatic testing and verification system and method for a smoke sensor based on an atomization core. An ANT port of the Internet of things module (U2) is connected with an antenna (ANT 1) of the Internet of things module; the CTL port of the Internet of things module (U2) is connected with an N-channel MOS tube (Q1) for controlling the on-off of a U1 power supply and then grounded; an N-channel MOS tube (Q1) for switching on and switching off a U1 power supply is connected with an atomization core (U1); the atomizing core (U1) is connected with the energy storage capacitor II (C3) and then grounded. The smoke sensor can automatically and regularly emit smoke, so that the smoke sensor can complete functional self-detection. Therefore, the manual detection of smoke alarm on the smoke sensor in the fire protection maintenance is reduced, the workload of maintenance personnel is reduced, and the maintenance cost expenditure is reduced.

Description

Automatic testing and checking system and method for smoke sensor based on atomization core
Technical Field
The invention relates to the technical field of fire-fighting facilities and fire-fighting maintenance detection and verification, in particular to an automatic testing and verification system and method for a smoke sensor based on an atomization core.
Background
The smoke sensor is an indispensable fire disaster early warning sensing alarm unit in the fire fighting industry, and when a building is subjected to fire disaster, after smoke generated by combustion is detected by the smoke sensor, an alarm signal can be sent out, so that related personnel can take fire extinguishing or escape measures in time. The smoke sensor only can trigger an alarm when detecting smoke, when no fire occurs, maintenance personnel are required to regularly carry out smoke alarm detection on the smoke sensor, and whether the smoke sensor functions normally or not is verified by simulating smoke in the fire or not so as to ensure that the smoke sensor can work normally when the fire occurs. But on one hand, the workload of fire-fighting maintenance personnel is increased, and on the other hand, the cost input of manpower and material resources of fire-fighting maintenance is also increased.
Searching in a database of Chinese published patents by taking an atomization core and simulation and smog as a detection device of a sensor for building security of patent species, CN111653071A; the patent specifies in paragraph [ 0014 ] "the device can be held in place by the handle of the device when in use"; thus, people are still required to see on site, but the light has a plurality of smoke alarms for each building; the workload is too great to be practical.
Disclosure of Invention
The purpose of the invention is that: in order to provide a better-performing automatic test and verification system and method for smoke sensors based on an atomizing core, specific purposes are seen in the various substantial technical effects of the detailed description.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an automatic testing and checking system for a smoke sensor based on an atomization core is characterized in that a system power VCC is connected with a VCC power supply access port of an Internet of things module U2, and a GND port of the Internet of things module U2 is grounded;
An energy storage capacitor C1 and a filter capacitor C2 are connected in parallel between a grounding line of a GND port of the Internet of things module U2 and a line connected with a system power VCC;
An ANT port of the Internet of things module U2 is connected with an antenna ANT1 of the Internet of things module, and the antenna ANT1 of the Internet of things module is grounded;
The CTL port of the Internet of things module U2 is connected with a control signal module CTL for controlling the on-off of the Q1 by the Internet of things module U2, and a resistor R1 with a preset control signal of low level is connected to a circuit of the connection extending out of the CTL port of the Internet of things module U2 and then grounded; the CTL port of the Internet of things module U2 is connected with an N-channel MOS tube Q1 for controlling the on-off of a U1 power supply and then grounded; the N channel MOS tube Q1 of the U1 power on-off is connected with the atomizing core U1;
the atomizing core U1 is connected with the second energy storage capacitor C3 and then grounded.
The invention further adopts the technical scheme that the atomizing core U1 is connected with a VCC power supply.
An aerosol core-based aerosol sensor automatic test and verification method, characterized in that an aerosol core-based aerosol sensor automatic test and verification system as described above is utilized, comprising the steps of:
The working time interval, the fuming duration and the fuming quantity of the atomization core U1 are controlled by arranging an Internet of things module U2 at the background; when the system time reaches the smoke generating time, the IOT module U2 controls CTL to send square waves with the duty ratio of 70%, and the power supply energizing circuit of the atomizing core is connected with the square waves with the duty ratio of 70%; the atomization core U1 atomizes fuming liquid to emit smog for 5 seconds, so that the smog sensor is triggered to alarm, and self-detection and verification of the smog sensor are completed.
The invention further adopts the technical scheme that the smoke generation interval is 3 days, the smoke generation time is 5 seconds, the smoke generation amount is 70%, and the smoke generation amount is 70% of the duty ratio of the PWM square wave output by the CTL signal.
A further embodiment of the invention provides that the automatic test and verification system is integrated in a housing 5, which housing 5 is arranged on the side of the smoke sensor.
The technical scheme of the invention is that the smoke generating device further comprises an NB-IOT module, wherein the NB-IOT module can control the smoke generating time interval and is used for simulating the time interval of manual maintenance.
The invention has the further technical scheme that the shell 5 is fixed on the sliding block 6, the sliding block 6 is movably arranged on the guide rail 4, the guide rail 4 is arranged on the guide rail foundation 3, the guide rail foundation 3 comprises a guide rail fixing hole 7, and the guide rail foundation 3 can be fixed on a roof through the guide rail fixing hole 7; a smoke sensor 8 is arranged on the side of the guide rail foundation 3, a hole is formed in the sliding block 6, a threaded rod 9 is a power shaft for pushing the motor 1, the pushing motor 1 is arranged on a motor fixing plate 10, a motor fixing hole 2 is arranged on the motor fixing plate 10, and the pushing motor 1 can be fixed on a roof through the motor fixing hole 2.
The invention further adopts the technical scheme that the sliding block 6 and the shell 5 can integrally move through the forward and backward rotation of the threaded rod 9, so that the distance between the shell 5 and the smoke sensor can be adjusted.
The invention further adopts the technical scheme that the automatic test and inspection system is integrated in the smoke sensor as smoke generating equipment; or externally mounted to the ceiling adjacent to the smoke sensor.
Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: the smoke sensor can automatically and regularly emit smoke, so that the smoke sensor can complete functional self-detection. Therefore, the manual detection of smoke alarm on the smoke sensor in the fire protection maintenance is reduced, the workload of maintenance personnel is reduced, and the maintenance cost expenditure is reduced.
Drawings
For further explanation of the invention, reference is made to the following further description, taken in conjunction with the accompanying drawings:
FIG. 1 is a control and smoke generating core circuit of the present invention;
FIG. 2 is an installation perspective view of the present patent;
FIG. 3 is a schematic view of the installation of the present patent and smoke sensor;
FIG. 4 is a schematic view of a preferred mounting structure of the present patent;
In fig. 1: u1: an atomizing core; u2: the Internet of things module; ANT1: an antenna of the internet of things module; q1: an N-channel MOS tube for controlling the on-off of a U1 power supply; c1: an energy storage capacitor I; and C3: an energy storage capacitor II; c2: a filter capacitor; r1: presetting a resistor with a low level of a control signal; VCC: a system power supply; CTL: the control signal module is used for controlling the on-off of the Q1 through the Internet of things module U2;
Wherein: 1. a pushing motor; 2. a motor fixing hole; 3. a guide rail foundation; 4. a guide rail; 5. a housing; 6. a slide block; 7. a guide rail fixing hole; 8. a smoke sensor; 9. a threaded rod; 10. and a motor fixing plate.
Detailed Description
The present invention is further illustrated in the following drawings and detailed description, which are to be understood as being merely illustrative of the invention and not limiting the scope of the invention. In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The patent provides a plurality of parallel schemes, and the different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each scheme has its own unique features. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other. The fixing manner not described herein may be any fixing manner such as screw fixing, bolt fixing or glue bonding.
Embodiment one: with reference to fig. 1; an automatic testing and checking system for a smoke sensor based on an atomization core is characterized in that a system power VCC is connected with a VCC power supply access port of an Internet of things module U2, and a GND port of the Internet of things module U2 is grounded;
An energy storage capacitor C1 and a filter capacitor C2 are connected in parallel between a grounding line of a GND port of the Internet of things module U2 and a line connected with a system power VCC;
An ANT port of the Internet of things module U2 is connected with an antenna ANT1 of the Internet of things module, and the antenna ANT1 of the Internet of things module is grounded;
The CTL port of the Internet of things module U2 is connected with a control signal module CTL for controlling the on-off of the Q1 by the Internet of things module U2, and a resistor R1 with a preset control signal of low level is connected to a circuit of the connection extending out of the CTL port of the Internet of things module U2 and then grounded; the CTL port of the Internet of things module U2 is connected with an N-channel MOS tube Q1 for controlling the on-off of a U1 power supply and then grounded; the N channel MOS tube Q1 of the U1 power on-off is connected with the atomizing core U1;
The atomizing core U1 is connected with the second energy storage capacitor C3 and then grounded. The essential technical effects and the realization process thereof, namely the basic functions, played by the technical proposal are as follows: the working time interval, the smoke generating duration and the smoke generating amount of the atomization core U1 are controlled through the background setting internet of things module U2, for example, the smoke generating interval is set to be 3 days, the smoke generating time is 5 seconds, the smoke generating amount is 70%, and the smoke generating amount is the PWM square wave duty ratio output by CTL signals and is 70%. When the system time reaches the smoke generating time, the IOT module U2 controls CTL to send square waves with the duty ratio of 70%, and the N-channel MOS tube controlling the on-off of the U1 power supply is connected with the atomizing core power supply power-on loop by the square waves with the duty ratio of 70%. The atomization core U1 atomizes fuming liquid to emit smog for 5 seconds, so that the smog sensor is triggered to alarm, and self-detection and verification of the smog sensor are completed.
Embodiment two: as a further development or juxtaposition or alternatively independent, the atomizing core U1 is connected to its own VCC power supply. The essential technical effects and the realization process thereof, namely the basic functions, played by the technical proposal are as follows: which provides a substantial source of energy for the atomizing core U1.
Embodiment III: as a further development or juxtaposition or alternatively independent, a method for automatically testing and checking a smoke sensor based on an aerosol core, characterized in that an aerosol core based smoke sensor automatic test and check system as described above is used, comprising the steps of:
The working time interval, the fuming duration and the fuming quantity of the atomization core U1 are controlled by arranging an Internet of things module U2 at the background; when the system time reaches the smoke generating time, the IOT module U2 controls CTL to send square waves with the duty ratio of 70%, and the control signal module of the IOT module U2 controlling Q1 to be switched on and off is switched on with the power-on loop of the atomizing core power supply by the square waves with the duty ratio of 70%; the atomization core U1 atomizes fuming liquid to emit smog for 5 seconds, so that the smog sensor is triggered to alarm, and self-detection and verification of the smog sensor are completed.
Embodiment four: as a further improvement scheme or a parallel scheme or an alternative independent scheme, the smoke generation interval is 3 days, the smoke generation time is 5 seconds, the smoke generation amount is 70%, and the smoke generation amount is 70% of the PWM square wave duty ratio output by the CTL signal.
Fifth embodiment: as a further development or juxtaposition or alternatively independent, the automatic test verification system is integrated in a housing 5, which housing 5 is arranged on the side of the smoke sensor.
Example six: as a further improvement or juxtaposition or alternative independent solution, the system further comprises an NB-IOT module capable of controlling the fuming time interval to simulate the time interval of the manual maintenance. The essential technical effects and the realization process thereof, namely the basic functions, played by the technical proposal are as follows: the NB-IOT internet of things module supporting Quecopen technology can be used for omitting peripheral MCU to be used as a networking and control unit, the atomization core is used as a smoke generating device, smoke generating liquid is atomized and generated through the atomization core, and the NB-IOT module is used for controlling smoke generating time intervals so as to simulate time intervals of manual maintenance. The time length of each smoke generation can be set to be a fixed time value, such as 3 seconds for each smoke generation, and the smoke generation time length can trigger the smoke sensor to alarm. The smoke generation duration can also be controlled through the Internet of things, after smoke generation, the smoke sensor is triggered to give an alarm to the background, and the background sends information to the self-checking system through the NB-IOT network to stop the smoke generation. And the fuming time length and the fuming interval can be set through a background. The smoke generation amount can be controlled by controlling the pin output PWM duty ratio through the NB-IOT module.
Embodiment seven: as a further development or juxtaposition or alternatively independent solution, the housing 5 is fixed on a slide 6, the slide 6 is movably arranged on a rail 4, the rail 4 is arranged on a rail foundation 3, the rail foundation 3 comprises rail fixing holes 7, and the rail foundation 3 can be fixed on a roof through the rail fixing holes 7; a smoke sensor 8 is arranged on the side of the guide rail foundation 3, a hole is formed in the sliding block 6, a threaded rod 9 is a power shaft for pushing the motor 1, the pushing motor 1 is arranged on a motor fixing plate 10, a motor fixing hole 2 is arranged on the motor fixing plate 10, and the pushing motor 1 can be fixed on a roof through the motor fixing hole 2. The essential technical effects and the realization process thereof, namely the basic functions, played by the technical proposal are as follows:
Referring to fig. 2 and 3; this design has three important roles: 1. the smoke alarm is not installed from below, so that the normal function of the smoke alarm is not affected, and the fact that the smoke channel is possibly affected by the installation of the smoke alarm is required to be known; 2. the smoke alarm is arranged at the side of the smoke alarm; 3. according to the sensitivity degree, the distance between the shell, namely the smoke alarm and the invention is adjusted; referring to fig. 3; can be adjusted to the required distance so as to cope with the corresponding monitoring sensitivity.
Example eight: as a further development or juxtaposition or alternatively independent, the sliding block 6 and the housing 5 can be moved as a whole by a forward and reverse rotation of the threaded rod 9, so that the distance between the housing 5 and the smoke sensor can be adjusted. The essential technical effects and the realization process thereof, namely the basic functions, played by the technical proposal are as follows: the embodiment provides specific structure and method for adjustment, and similar implementation methods are all within the protection scope of the patent.
Example nine: as a further development or juxtaposition or alternatively independent, the automatic test and verification system is integrated as a smoke generating device inside the smoke sensor; or externally mounted to the ceiling adjacent to the smoke sensor. The essential technical effects and the realization process thereof, namely the basic functions, played by the technical proposal are as follows: this embodiment provides a particularly preferred securing structure.
The fuming time interval can be set according to the situation; it is not necessarily required to be three days.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment such as a computer for controlling.
When the smoke sensor is manually maintained, the smoke generated by a fire disaster needs to be manually simulated, and the smoke sensor is tested and inspected. The invention can automatically generate the smoke, can generate the smoke for a plurality of times, and can set the time interval for generating the smoke according to actual conditions. The invention can be used for replacing manual simulation to generate smoke during manual regular maintenance.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims (5)

1. An automatic testing and checking system for a smoke sensor based on an atomization core is characterized in that a system power supply (VCC) is connected with a VCC power supply access port of an Internet of things module (U2), and a GND port of the Internet of things module (U2) is grounded;
An energy storage capacitor I (C1) and a filter capacitor C2 are connected in parallel between a grounding line of a GND port of the Internet of things module U2 and a line connected with a system power supply (VCC);
An ANT port of the Internet of things module (U2) is connected with an antenna (ANT 1) of the Internet of things module, and the antenna (ANT 1) of the Internet of things module is grounded;
The CTL port of the Internet of things module (U2) is connected with a control signal module CTL connected with an N-channel MOS tube (Q1) for controlling the on-off of a U1 power supply, and a resistor (R1) with a preset control signal of low level is connected to a circuit connected with the CTL port of the Internet of things module (U2) in an extending mode and then grounded; the CTL port of the Internet of things module (U2) is connected with an N-channel MOS tube (Q1) for controlling the on-off of a U1 power supply and then grounded; an N-channel MOS tube (Q1) for controlling the on-off of a U1 power supply is connected with the atomizing core (U1);
the atomizing core (U1) is connected with the energy storage capacitor II (C3) and then grounded;
the smoke generating device also comprises an NB-IOT module, wherein the NB-IOT module can control the smoke generating time interval and is used for simulating the time interval of manual maintenance;
The automatic test and inspection system is integrated inside the smoke sensor as smoke generating equipment; or externally fixed on the side of the smoke sensor on the ceiling, the automatic test and inspection system is integrated in a shell (5), and the shell (5) is arranged on the side of the smoke sensor; the automatic test and inspection system is integrated in a shell (5), the shell (5) is fixed on a sliding block (6), the sliding block (6) is movably arranged on a guide rail (4), the guide rail (4) is arranged on a guide rail foundation (3), the guide rail foundation (3) comprises a guide rail fixing hole (7), and the guide rail foundation (3) can be fixed on a roof through the guide rail fixing hole (7); a smoke sensor (8) is arranged on the side of the guide rail foundation (3), a hole is formed in the sliding block (6), a threaded rod (9) is a power shaft for pushing the motor (1), the pushing motor (1) is arranged on a motor fixing plate (10), a motor fixing hole (2) is formed in the motor fixing plate (10), and the pushing motor (1) can be fixed to a roof through the motor fixing hole (2).
2. An aerosol core based automatic test and verification system for aerosol sensors according to claim 1, wherein the distance between the housing (5) and the aerosol sensor is adjusted by the slider (6) and the housing (5) being integrally movable by the forward and reverse rotation of the threaded rod (9).
3. An aerosol core based automatic test verification system for aerosol sensors as claimed in claim 1, wherein the aerosol core (U1) is connected to its own VCC power supply.
4. An aerosol core based aerosol sensor automatic test verification method, characterized by utilizing the aerosol core based aerosol sensor automatic test verification system of claim 3, comprising the steps of:
The working time interval, the fuming duration and the fuming quantity of the atomization core (U1) are controlled through the background setting of the Internet of things module (U2); when the system time reaches the smoke generating time, the Internet of things module (U2) controls CTL to send square waves with the duty ratio of 70%, and the power supply energizing circuit of the atomizing core is connected with the square waves with the duty ratio of 70%; the atomization core U1 atomizes fuming liquid to emit smog for 5 seconds, so that the smog sensor is triggered to alarm, and self-detection and verification of the smog sensor are completed.
5. The aerosol core-based automatic test and verification method of an aerosol sensor of claim 4, wherein the smoke generation interval is 3 days, the smoke generation time is 5 seconds, the smoke generation amount is 70%, and the smoke generation amount is 70% of the duty cycle of the PWM square wave output by the CTL signal.
CN202210006978.3A 2022-01-05 2022-01-05 Automatic testing and checking system and method for smoke sensor based on atomization core Active CN114495465B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210006978.3A CN114495465B (en) 2022-01-05 2022-01-05 Automatic testing and checking system and method for smoke sensor based on atomization core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210006978.3A CN114495465B (en) 2022-01-05 2022-01-05 Automatic testing and checking system and method for smoke sensor based on atomization core

Publications (2)

Publication Number Publication Date
CN114495465A CN114495465A (en) 2022-05-13
CN114495465B true CN114495465B (en) 2024-05-31

Family

ID=81509343

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210006978.3A Active CN114495465B (en) 2022-01-05 2022-01-05 Automatic testing and checking system and method for smoke sensor based on atomization core

Country Status (1)

Country Link
CN (1) CN114495465B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568129A (en) * 1994-09-08 1996-10-22 Sisselman; Ronald Alarm device including a self-test reminder circuit
AU2006202285A1 (en) * 2005-08-03 2007-02-22 Jason Sam D'Amico Apparatus and Method for Testing Smoke and Fire Detectors
JP2018185640A (en) * 2017-04-26 2018-11-22 ホーチキ株式会社 Smoke sensor test device
KR102062525B1 (en) * 2018-11-01 2020-01-06 주식회사 한방 Smoke detector having function for test

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9959748B2 (en) * 2016-04-01 2018-05-01 Tyco Fire & Security Gmbh Fire detection system with self-testing fire sensors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568129A (en) * 1994-09-08 1996-10-22 Sisselman; Ronald Alarm device including a self-test reminder circuit
AU2006202285A1 (en) * 2005-08-03 2007-02-22 Jason Sam D'Amico Apparatus and Method for Testing Smoke and Fire Detectors
JP2018185640A (en) * 2017-04-26 2018-11-22 ホーチキ株式会社 Smoke sensor test device
KR102062525B1 (en) * 2018-11-01 2020-01-06 주식회사 한방 Smoke detector having function for test

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
支持城域LoRa物联专网的烟感报警器设计与实践;汤奇峰;;物联网技术;20200720(第07期);全文 *

Also Published As

Publication number Publication date
CN114495465A (en) 2022-05-13

Similar Documents

Publication Publication Date Title
CN103400481B (en) A kind of detection method for fire control alarm leakage system and system thereof and device
CN1916797A (en) Wireless intelligence type monitoring and controlling alarm system for safety, environmental protection in room
CN202171854U (en) Movable type wireless monitoring alarm fence system
CN109342906A (en) Multi-functional local discharge detection device, system and method
CN2914207Y (en) Household securing system
CN104464204A (en) Household gas leakage alarm and automatic gas source cutoff device
CN108844577A (en) A kind of Monitoring Urban Environment system based on Internet of Things
CN114495465B (en) Automatic testing and checking system and method for smoke sensor based on atomization core
CN205985762U (en) Intelligent high -low voltage power distribution cabinet
DE102005060748B3 (en) Fire warning alarm unit e.g. smoke warning alarm unit, flame alarm unit for use in houses and commercial areas has memory for storing self-testing results which are also sent by transmitter to receiver
CN111445659B (en) Intelligent fire-fighting measurement and control system for intelligent community based on Internet and use method thereof
CN209117064U (en) A kind of cable working-condition monitoring system
CN108106682B (en) Multi-channel ultrasonic open channel flowmeter
CN204789881U (en) It puts flashover on -line monitoring system to join in marriage net office based on ultraviolet ray detection technique
CN202942579U (en) Testing apparatus for evaluating total-flooding fire extinguishing performance
CN105488938A (en) Internet plus-based home fire and indoor environment monitoring system and monitoring method thereof
CN111420334B (en) Internet-based household intelligent mobile fire-fighting measurement and control system and use method
CN216136628U (en) Intelligent large-scale computer lab monitoring device
CN206097372U (en) Wireless transmission's air sampling formula smoke fire detector
CN203573456U (en) Spot-type smoke fire detector convenient for accurate test
CN221685706U (en) Interval temperature sensing grating tester
CN106157551A (en) A kind of gas analyser being applied to unattended operation environment
CN113034880A (en) Environmental protection monitoring system based on big data
CN221686142U (en) Air raise dust detection device
CN221804838U (en) Smoke detection alarm device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant