CN106056859A - Gas detection alarm - Google Patents
Gas detection alarm Download PDFInfo
- Publication number
- CN106056859A CN106056859A CN201610668453.0A CN201610668453A CN106056859A CN 106056859 A CN106056859 A CN 106056859A CN 201610668453 A CN201610668453 A CN 201610668453A CN 106056859 A CN106056859 A CN 106056859A
- Authority
- CN
- China
- Prior art keywords
- alarm
- gas
- mcu
- detection
- concentration
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a gas detection alarm, and the alarm comprises an MCU, a gas sensor, a buzzer, a wireless receiving and transmitting module, a warning lamp, and a background server. The gas sensor is connected with the MCU, is disposed at a ventilation opening of to-be-detected gas, and is used for detecting the concentration of the to-be-detected gas at the ventilation opening and transmitting the concentration information to the MCU. The MCU is connected with the wireless receiving and transmitting module, and is used for transmitting the concentration information to the background server through the wireless receiving and transmitting module. The MCU is also connected with the buzzer and the warning lamp, and is used for controlling the buzzer and the warning lamp to work when the concentration information is greater than a preset concentration threshold value, and transmitting the warning information to the background server. When the alarm detects that the concentration is too high, the alarm gives an alarm, and the warning lamp flickers. The warning information is transmitted to the background server, and then the warning information is pushed to a remote client, so as to bring convenience to a user for mastering the concentration condition in real time.
Description
Technical field
The present invention relates to gas safe field, particularly to a kind of detection of gas alarm.
Background technology
Along with combustion gas use in life is day by day close, the use gas safety problem generation the most frequently of combustion gas.Tradition
Fuel gas alarm be usually be arranged around acoustic-optic alarm at gas pipeline, when sensor detects gas leakage, sound
Light alarm device works, in order to indoor personnel respond rapidly after hearing alarm.But, traditional fuel gas alarm alarm
Radius is limited, when personnel are not in indoor, just cannot quickly know and respond, easily occur not after there is gas leakage
Security incident.
In sum, existing fuel gas alarm type of alarm is single, poor real, safety are low.
Summary of the invention
The invention reside in the above-mentioned deficiency overcoming prior art, it is provided that a kind of type of alarm is various, real-time good, safety
High detection of gas alarm.
In order to realize foregoing invention purpose, the technical solution used in the present invention is:
A kind of detection of gas alarm, including MCU, gas sensor, buzzer, radio receiving transmitting module, stand by lamp；
Described gas sensor connects described MCU, and described gas sensor is arranged at vapor vent to be detected, is used for detecting
The concentration of gas to be measured at described vent, and described concentration information is sent to MCU；
Described MCU connects radio receiving transmitting module, for described concentration information is sent to background service by radio receiving transmitting module
Device；
Described MCU is also connected with described buzzer and described stand by lamp, for when described concentration information is more than concentration set in advance
During threshold value, control described buzzer and work with described stand by lamp, warning information is sent to background server simultaneously.
Further, described MCU is additionally operable to, when existing concentration information being detected less than concentration threshold set in advance, send out
Alarm release information is sent to arrive background server.
Further, also including remote terminal, described background server is for being sent to long-range end by described concentration information
End, described remote terminal includes any one in computer, mobile phone, panel computer or PDA.
Further, the one or many during described radio receiving transmitting module is wifi module, 2G module, 3G module, 4G module
Kind.
Further, described gas sensor is catalytic combustion type gas sensor or semiconductor gas sensor.
Further, described alarm being additionally provided with self-inspection button, bonded MCU is pressed in described self-inspection, is used for detecting institute
State alarm the most working properly.
Further, described self-inspection button is additionally operable to initialize or configure parameter when alarm runs, and described self-inspection is pressed
The parameter configuration that push-to is long when running on schedule.
Further, also including power module, described power module connects MCU, for powering to described alarm.
Further, described stand by lamp is LED, described MCU be additionally operable to control the color of described LED, flicker frequency,
At least one in brightness.
Further, described buzzer is voltage-type buzzer or electromagnetic buzzer.
Further, between described gas sensor and MCU, it is also connected with A/D converter, for being sent by gas sensor
Analogue signal be converted into correspondence digital signal.
Compared with prior art, beneficial effects of the present invention
1, the detection of gas alarm of the present invention is by arranging radio receiving transmitting module on MCU, it is possible in real time by after acquisition process
Data be sent to background server；When excessive concentration being detected, controlling buzzer and send chimes of doom, stand by lamp flashes, and carries
Wake up surrounding people, and warning information is sent to background server, grasps CONCENTRATION STATE in time for personnel.
2, the detection of gas alarm of the present invention is by being sent to multidigit affiliated person by the data that background server end stores
On the mobile phone of member, apparatus such as computer, make multidigit user can receive easily in different places or check that server sends
Information.
3, it is additionally provided with self-inspection button on the detection of gas alarm of the present invention, alarm can be detected by self-inspection button
The most normally work, it is to avoid alarm occur normally detecting fuel gas or can not the problem such as Normal Alarm, and endanger
Danger accident.
4, system configuration can also be initialized by the self-inspection button of the detection of gas alarm of the present invention, it is to avoid user
The trouble being in use likely encountered.
5, the color of detection of gas alarm display lamp of the present invention, brightness, frequency etc. are adjustable, facilitate user to realize making by oneself
The suitableeest type of alarm of justice.
6, the detection of gas alarm equipment alarm concentration threshold of the present invention is limited adjustable, facilitates user to adjust according to individual demand
To the suitableeest warning concentration, meanwhile, adjusting range is less than the scope of national Specification, it is ensured that occur that during dangerous situation, alarm can be in time
Send.
Accompanying drawing explanation
It it is the detection of gas alarm module diagram of one specific embodiment of the present invention shown in Fig. 1.
It it is the detection of gas alarm module diagram of second embodiment of the invention shown in Fig. 2.
It it is the detection of gas alarm module diagram of third embodiment of the invention shown in Fig. 3.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.But this should be interpreted as the present invention
The scope of above-mentioned theme is only limitted to below example, and all technology realized based on present invention belong to the model of the present invention
Enclose.
Embodiment 1:
It is the detection of gas alarm module diagram of one specific embodiment of the present invention shown in Fig. 1, including MCU1, gas sensing
Device 2, buzzer 3, radio receiving transmitting module 4, stand by lamp 5；
Described gas sensor 2 connects described MCU1, and described gas sensor 2 is arranged at vapor vent to be detected, is used for
Detect the concentration of gas to be measured at described vent, and described concentration information is sent to MCU1；
Described MCU1 connects radio receiving transmitting module 4, takes for described concentration information is sent to backstage by radio receiving transmitting module 4
Business device 6；
Described MCU1 is also connected with described buzzer 3 and described stand by lamp 5, for when described concentration information is more than set in advance dense
During degree threshold value, control described buzzer 3 and work with described stand by lamp 5, warning information is sent to background server 6 simultaneously.
Described MCU1 is additionally operable to when existing concentration information being detected less than concentration threshold set in advance, and sending reports to the police solves
Except information is to background server 6.
The detection of gas alarm of the present invention is by arranging radio receiving transmitting module on MCU, it is possible in real time by acquisition process
After data be sent to background server；When excessive concentration being detected, controlling buzzer and send chimes of doom, stand by lamp flashes,
Reminding surrounding people, and warning information is sent to background server, for background server side, personnel grasp concentration the most in real time
State.
Concrete, fuel gas is contacted with alarm interior contact combustion-type gas sensor by vent, sensor
In platinum filament just with fuel gas generation oxidation reaction, produce heat make platinum wire temperature raise, resistance sizes changes so that
Sensor both end voltage changes, and after the internal MCU of alarm detects change in voltage, sends letter by network to background server
Number, server issues the user with information alert again.LED lampet and buzzer also can receive signal simultaneously, send chimes of doom and lamp
Optical flare, reminds user's combustible gas leakage.
Described concentration threshold can be adjusted according to on-the-spot specific environment, in order to it can preferably detect or report to the police.
The detection of gas alarm equipment alarm concentration threshold of the present invention is limited adjustable, facilitates user to be adjusted to the suitableeest warning according to individual demand
Concentration, meanwhile, adjusting range is less than the scope of national Specification, it is ensured that when there is dangerous situation, alarm can send in time.
It is the detection of gas alarm module diagram of second embodiment of the invention shown in Fig. 2, also includes remote terminal 7,
Described background server 6 for described concentration information being sent to remote terminal 7, described remote terminal 7 include computer, mobile phone,
Any one in panel computer or PDA.
General user will not stay at home, and after there is gas leakage, user needs again real-time awareness, and this is just
Being required to be sent on the communication apparatus that user carries leakage information in real time, general user can carry with mobile phone, therefore,
Can install at server end and can send note or the equipment called, be revealed by note or voice informing user's gas
Information, it addition, when user uses smart mobile phone, corresponding software APP can be respectively mounted at server end with client, logical
Cross the Internet and send gas leakage information, further, it is also possible to reminded by some wearable smart machines, by micro-
Letter, mailbox etc., use various ways to carry out reminding service.
In one embodiment, each detecting alarm can associate multiple subscriber equipment, when gas leakage thing occurs
After part, corresponding warning information can be simultaneously sent on each subscriber equipment of association, and such as, alarm can be associated with by owner
On the mobile phone of community property management, when owner stays out, property management just can be known timely and stop after receiving Real-time Alarm information
Contingent danger.
The alarm of the present invention can accurately be pushed to director, and can by network warning information shared to household, property,
The units such as gas company, assist user to discharge dangerous situation as early as possible.Traditional alarm can only at the scene, the fixed-site such as property office
Produce alarm, if Attended mode is unknowable, also it cannot be guaranteed that can quick effecting reaction.The present invention can push away in many ways
Send warning information, including mail, note, wechat, verbal announcement etc., it is possible to ensure that director can timely obtain the most wherever
To notice, reaction effectively puts in place.
It addition, every 5-10 minute, the concentration information of a gas sensor meeting current detection of active upload is to server, clothes
What business device was corresponding forwards the information to subscriber equipment, on the one hand informs user indoor current gas concentration, on the other hand shows
Gas sensor normally works, do not have occur can not detectable concentration or send information situation, if user for a long time do not receive work as
The concentration information of front detection, after getting rid of user network fault, then shows that gas sensor work is abnormal, reminds user to examine
Looking into, certainly, concrete time user also can carry out self-defined setting.
The detection of gas alarm of the present invention by being sent to the hands of associate people by the data that background server end stores
On the equipment such as mechanical, electrical brain, make user can receive or check the information that server sends easily in different places.
In a detailed description of the invention, described radio receiving transmitting module 4 is wifi module, 2G module, 3G module, 4G module
In one or more.
Concrete, according to the reception mode of associate device, select corresponding module to carry out the transmission of information, if certain association
Equipment is provided with multiple reception mode, can be transmitted simultaneously.
In a detailed description of the invention, described gas sensor 5 is catalytic combustion type gas sensor or semiconductor gas
Dependent sensor.
When gas sensor semiconductor gas sensor, fuel gas touch sensor, the thing such as its conductivity semiconductor
Property can change, gas can be adsorbed on the semiconductor, can make carrier number change, thus sensor causes resistance
Change, by the variation relation detected gas concentration of resistance.In addition may be used without Electro-chemical Gas Sensor to contain to measure gas
Amount.
It is the detection of gas alarm module diagram of third embodiment of the invention shown in Fig. 3, described alarm also sets
Being equipped with self-inspection button 8, described self-inspection button 8 connects MCU1, is used for detecting described alarm the most working properly.
In the present invention, after pressing self-inspection button, entering alarm self-inspection state, alarm automatically detects each module and is
No the most normally work, if certain module is in abnormal operating state, then inform user.
Being additionally provided with self-inspection button on the detection of gas alarm of the present invention, can detect alarm by self-inspection button is
No normal work, it is to avoid alarm occur normally detecting fuel gas or can not the problem such as Normal Alarm, and cause danger
Accident.
In a detailed description of the invention, described self-inspection button 8 is additionally operable to initialize or configure ginseng when alarm runs
Number, parameter configuration when described self-inspection button 8 is run on schedule by length.
System configuration can also be initialized by the self-inspection button of the detection of gas alarm of the present invention, it is to avoid Yong Hu
The trouble being likely encountered in using.
In a detailed description of the invention, also including power module, described power module connects MCU, for described report
Alert device is powered.
In an embodiment of the invention, can be by often entering distribution pattern by self-inspection button, in this mode,
User can initialize network configuration, it is possible to configures the flashing mode of alarm lamp, information sender formula according to user habit.Network is even
Connect mode, the control of authority etc. of equipment access alarm.
In a detailed description of the invention, described stand by lamp 5 is LED, and described MCU is additionally operable to control described LED
At least one in the color of lamp, flicker frequency, brightness.Described LED has multiple, and can send under the control that LED drives
The light of different colours, in one embodiment, different light colors can represent the running status that alarm is different, can
Running status differentiation is carried out with this.Using LED lampet, its anti-seismic performance is good simultaneously, and stable, during work, surface temperature is low, peace
Entirely, energy-saving effect is more preferably simultaneously, and service life is longer, without pollution element, environmental protection.
The color of detection of gas alarm display lamp of the present invention, brightness, frequency etc. are adjustable, facilitate user to realize self-defined
The suitableeest type of alarm.
In a detailed description of the invention, described buzzer 3 is voltage-type buzzer or electromagnetic buzzer.
In a detailed description of the invention, between described gas sensor 2 and MCU, it is also connected with A/D converter, for by gas
The analogue signal that dependent sensor sends is converted into the digital signal of correspondence.
Above in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail, but on the present invention is not restricted to
Stating embodiment, in the case of without departing from the spirit and scope of claims hereof, those skilled in the art can make
Go out various amendment or remodeling.
Claims (10)
1. a detection of gas alarm, it is characterised in that include MCU, gas sensor, buzzer, radio receiving transmitting module, announcement
Warning lamp, background server；
Described gas sensor connects described MCU, and described gas sensor is arranged at vapor vent to be detected, is used for detecting
The concentration of gas to be measured at described vent, and described concentration information is sent to MCU；
Described MCU connects radio receiving transmitting module, for described concentration information is sent to background service by radio receiving transmitting module
Device；
Described MCU is also connected with described buzzer and described stand by lamp, for when described concentration information is more than concentration set in advance
During threshold value, control described buzzer and work with described stand by lamp, warning information is sent to background server simultaneously.
Detection of gas alarm the most according to claim 1, it is characterised in that described MCU is additionally operable to when detecting current
When concentration information is less than concentration threshold set in advance, send alarm release information to background server.
Detection of gas alarm the most according to claim 1, it is characterised in that also include remote terminal, described backstage takes
Business device is for being sent to remote terminal by described concentration information, and described remote terminal includes computer, mobile phone, panel computer or PDA
In any one.
Detection of gas alarm the most according to claim 1, it is characterised in that described radio receiving transmitting module is wifi mould
One or more in block, 2G module, 3G module, 4G module.
Detection of gas alarm the most according to claim 1, it is characterised in that described gas sensor is catalytic combustion type
Gas sensor or semiconductor gas sensor.
Detection of gas alarm the most according to claim 1, it is characterised in that be additionally provided with on described alarm self-inspection by
Key, described self-inspection is pressed bonded MCU, is used for detecting described alarm the most working properly.
Detection of gas alarm the most according to claim 6, it is characterised in that described self-inspection button be additionally operable to initialize or
Parameter when configuration alarm runs, parameter configuration when described self-inspection button is run on schedule by length.
Detection of gas alarm the most according to claim 1, it is characterised in that also include power module, described power supply mould
Block connects MCU, for powering to described alarm.
Detection of gas alarm the most according to claim 1, it is characterised in that described stand by lamp is LED, described MCU
It is additionally operable to control at least one in the color of described LED, flicker frequency, brightness.
Detection of gas alarm the most according to claim 1, it is characterised in that between described gas sensor and MCU also
Connect A/D converter, for the analogue signal that gas sensor sends being converted into the digital signal of correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610668453.0A CN106056859A (en) | 2016-08-15 | 2016-08-15 | Gas detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610668453.0A CN106056859A (en) | 2016-08-15 | 2016-08-15 | Gas detection alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106056859A true CN106056859A (en) | 2016-10-26 |
Family
ID=57482002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610668453.0A Pending CN106056859A (en) | 2016-08-15 | 2016-08-15 | Gas detection alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106056859A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106815972A (en) * | 2017-01-17 | 2017-06-09 | 深圳万发创新进出口贸易有限公司 | A kind of intelligent benezene material alarm device |
| CN107085914A (en) * | 2017-06-02 | 2017-08-22 | 成都科鸿达科技有限公司 | A kind of Intelligent indoor smog and flammable gas alarm based on APP |
| CN107274636A (en) * | 2017-06-17 | 2017-10-20 | 广东万家乐燃气具有限公司 | A kind of gas heater intelligent gas warning system |
| CN108006985A (en) * | 2016-12-26 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN108267994A (en) * | 2018-04-18 | 2018-07-10 | 中原工学院 | A kind of fully automatic electric sub-controller based on the identification of foul smell peculiar smell |
| CN108541115A (en) * | 2018-03-20 | 2018-09-14 | 深圳市泰和安科技有限公司 | A kind of lamps and lanterns and its control method and device |
| CN108898802A (en) * | 2018-07-11 | 2018-11-27 | 宁夏诺克银丰智能科技有限公司 | A kind of combustible and poisonous gas intelligent alarm system of dry cell power supply |
| CN109859443A (en) * | 2019-03-25 | 2019-06-07 | 山东卡尔电气股份有限公司 | NB-IoT and WIFI fusion gas alarm system and method |
| CN110045063A (en) * | 2019-04-03 | 2019-07-23 | 天津市基理科技股份有限公司 | Harmful gas on-line measuring system |
| CN110517454A (en) * | 2019-07-10 | 2019-11-29 | 江苏科技大学 | Nitrogen, sulfide pernicious gas monitoring system and monitoring method |
| CN111693519A (en) * | 2019-03-15 | 2020-09-22 | 天津大学 | Gas detection exploration glasses based on gas-sensitive color-changing sensing system |
| CN113358819A (en) * | 2021-05-14 | 2021-09-07 | 苏州珀斯方得电子有限公司 | Gas concentration monitoring device and data acquisition method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013115438A1 (en) * | 2012-02-01 | 2013-08-08 | 주식회사 미리코 | Gas-detecting system and gas-detecting method using smartphone |
| CN103839381A (en) * | 2012-11-23 | 2014-06-04 | 陕西亚泰电器科技有限公司 | Household gas safety detection and alarm system |
| CN203982550U (en) * | 2014-07-17 | 2014-12-03 | 钟云龙 | Multi-functional carbon monoxide detecting alarm |
| CN204406624U (en) * | 2015-01-31 | 2015-06-17 | 中州大学 | Based on the long-range fuel gas leak alarm systems of WiFi, smart mobile phone |
| CN205194024U (en) * | 2015-12-02 | 2016-04-27 | 厦门昶瑞信息技术有限责任公司 | Gas leak testing alarm system |
| CN206097405U (en) * | 2016-08-15 | 2017-04-12 | 成都实唯物联网科技有限公司 | Gas detection alarm |
-
2016
- 2016-08-15 CN CN201610668453.0A patent/CN106056859A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013115438A1 (en) * | 2012-02-01 | 2013-08-08 | 주식회사 미리코 | Gas-detecting system and gas-detecting method using smartphone |
| CN103839381A (en) * | 2012-11-23 | 2014-06-04 | 陕西亚泰电器科技有限公司 | Household gas safety detection and alarm system |
| CN203982550U (en) * | 2014-07-17 | 2014-12-03 | 钟云龙 | Multi-functional carbon monoxide detecting alarm |
| CN204406624U (en) * | 2015-01-31 | 2015-06-17 | 中州大学 | Based on the long-range fuel gas leak alarm systems of WiFi, smart mobile phone |
| CN205194024U (en) * | 2015-12-02 | 2016-04-27 | 厦门昶瑞信息技术有限责任公司 | Gas leak testing alarm system |
| CN206097405U (en) * | 2016-08-15 | 2017-04-12 | 成都实唯物联网科技有限公司 | Gas detection alarm |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006985A (en) * | 2016-12-26 | 2018-05-08 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN106815972A (en) * | 2017-01-17 | 2017-06-09 | 深圳万发创新进出口贸易有限公司 | A kind of intelligent benezene material alarm device |
| CN107085914A (en) * | 2017-06-02 | 2017-08-22 | 成都科鸿达科技有限公司 | A kind of Intelligent indoor smog and flammable gas alarm based on APP |
| CN107274636A (en) * | 2017-06-17 | 2017-10-20 | 广东万家乐燃气具有限公司 | A kind of gas heater intelligent gas warning system |
| CN108541115A (en) * | 2018-03-20 | 2018-09-14 | 深圳市泰和安科技有限公司 | A kind of lamps and lanterns and its control method and device |
| CN108267994B (en) * | 2018-04-18 | 2024-04-30 | 中原工学院 | Full-automatic electronic controller based on odor and peculiar smell recognition |
| CN108267994A (en) * | 2018-04-18 | 2018-07-10 | 中原工学院 | A kind of fully automatic electric sub-controller based on the identification of foul smell peculiar smell |
| CN108898802A (en) * | 2018-07-11 | 2018-11-27 | 宁夏诺克银丰智能科技有限公司 | A kind of combustible and poisonous gas intelligent alarm system of dry cell power supply |
| CN111693519A (en) * | 2019-03-15 | 2020-09-22 | 天津大学 | Gas detection exploration glasses based on gas-sensitive color-changing sensing system |
| CN109859443A (en) * | 2019-03-25 | 2019-06-07 | 山东卡尔电气股份有限公司 | NB-IoT and WIFI fusion gas alarm system and method |
| CN110045063A (en) * | 2019-04-03 | 2019-07-23 | 天津市基理科技股份有限公司 | Harmful gas on-line measuring system |
| CN110517454A (en) * | 2019-07-10 | 2019-11-29 | 江苏科技大学 | Nitrogen, sulfide pernicious gas monitoring system and monitoring method |
| CN113358819A (en) * | 2021-05-14 | 2021-09-07 | 苏州珀斯方得电子有限公司 | Gas concentration monitoring device and data acquisition method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106056859A (en) | Gas detection alarm | |
| CN205992279U (en) | A kind of intelligent preventing gas leakage system based on Internet of Things | |
| CN204790346U (en) | Intelligence household security system based on thing networking | |
| CN202693037U (en) | Indoor environment monitoring device | |
| CN105243632A (en) | Cloud management based air pollution monitoring system and method | |
| CN104808505A (en) | ARM-based interactive indoor environment monitoring control and abnormality alarming system and method | |
| CN107171444A (en) | A kind of real-time monitoring system of low-voltage distribution cabinet | |
| CN205810056U (en) | A kind of safety-protection system based on Internet of Things | |
| CN203311597U (en) | Intelligent combustion gas leakage detector | |
| CN206097405U (en) | Gas detection alarm | |
| CN109521067A (en) | Portable device and method with environment sensing function | |
| CN205751191U (en) | Intelligent household security system | |
| CN104330543A (en) | Combustible gas detector | |
| CN204759677U (en) | Monitoring and controlling means of temperature and smog concentration | |
| CN204759706U (en) | Naked light kitchen range is from people reminding device | |
| CN205103973U (en) | Students' dormitory intelligent management system based on zigbee technique | |
| CN207799848U (en) | A kind of Intelligent electric power job safety alarming device, system | |
| CN205563907U (en) | Smog detects fire alarm sensing node based on zigBee | |
| CN110430645A (en) | Lamp light control system and its smart home system | |
| CN203119626U (en) | Portable direct-current system charger remote monitor | |
| CN210514511U (en) | Fault indicator and overhead line | |
| CN202916965U (en) | Family flammable and poisonous gas monitoring alarm system based on Internet of things | |
| CN211102028U (en) | Intelligent welding table system | |
| CN207232717U (en) | A kind of boiler safety detects prior-warning device | |
| CN207334857U (en) | Man-machine interactive intelligently insures smoke exhaust ventilator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |