CN103412501A - Safety prewarning device for kitchen - Google Patents
Safety prewarning device for kitchen Download PDFInfo
- Publication number
- CN103412501A CN103412501A CN2013102247061A CN201310224706A CN103412501A CN 103412501 A CN103412501 A CN 103412501A CN 2013102247061 A CN2013102247061 A CN 2013102247061A CN 201310224706 A CN201310224706 A CN 201310224706A CN 103412501 A CN103412501 A CN 103412501A
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- gas
- warning device
- resistance
- amplifier
- 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
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the field of safety device, in particular to a safety prewarning device based on the RFID technology and suitable for kitchen. The safety prewarning device comprises keys, an SCM detection module and a power supply module connected with the SCM detection module. The SCM detection module comprises a single chip microcomputer and a minimum system circuit thereof; the SCM detection module further comprises a gas collecting device, an infrared remote control receiving device and an RFID card-reading device which are connected with input ends of the single chip microcomputer and the minimum system circuit thereof; the SCM detection module further comprises a nixie tube display device, a GSM transmission module, a warning device and a gas diluter which are connected with output ends of the single chip microcomputer and the minimum system circuit thereof; and the single chip microcomputer comprises a logic circuit for controlling the gas collecting device, the nixie tube display device, the GSM transmission module and the warning device.
Description
Technical field
The present invention relates to the safety feature field, espespecially a kind of based on the RFID technology, can be used for the safety early warning device in kitchen.
Background technology
More and more higher along with people's living standard, gas has brought many facilities to people's life, so in case gas leakage occurs or burn insufficient, when gas density lower than 5% the time, meet fire and do not explode, but can be at the peripheral burning zone that forms of flame, when gas density is 5%-9.5%, reach gas explosion concentration, running into spark will set off an explosion; Gas density when above, loses its explosivity 16%, still can burn but in air, meet fire; When its aerial concentration surpasses 55%, can make the very fast death by suffocation of people.Because the gas colorless and odorless is odorless, people are difficult to discover its concentration, if people at home, during gas combustion, if air is inadequate, be very easy to produce carbon monoxide, and carbon monoxide are very easily unconsciously, to make the poisoning gas of people.After if people go home outside, family coal gas is because revealing, people are in unwitting situation, sparking or unlatching electric switch, its consequence is hardly imaginable, although some gas detecting alarms are arranged on the market, but its function is more single, and be structure routinely, and get rid of function without dangerous situation, cost is also higher.
Radio-frequency (RF) identification is RFID(Radio Frequency IDentification) technology, claim again electronic tag, radio frequency identification, it is a kind of communication technology, can identify specific objective and read and write related data by radio signals, and without between recognition system and specific objective, setting up machinery or optics contacts.Commonly used have low frequency (125k ~ 134.2K), high frequency (13.56Mhz), ultrahigh frequency, a technology such as passive.Rfid interrogator also divides portable with fixed, RFID technology application at present is very wide, and as library, gate control system, food security are traced to the source etc.
Be directed to the problem of existing kitchen security presence, the colleague professional and technical personnel is necessary to have proposed a kind of kitchen safety early warning device.The applicant is that the application of RFID technology is ripe based on radio-frequency (RF) identification, by self research and development, the RFID technology is applied in the safety early warning device of kitchen.
Summary of the invention
For addressing the above problem, the invention provides a kind of for the kitchen safety early warning device.
For achieving the above object, the present invention adopts following technical scheme to be: a kind of for the kitchen safety early warning device, comprise button, single-chip microcomputer detection module and connected power module, described single-chip microcomputer detection module connects and comprises single-chip microcomputer and minimum system circuit thereof; Also comprise the gas harvester, infrared remote-receiver and the RFID reader device that with single-chip microcomputer and minimum system circuit input end thereof, are connected; And the digital tube display device be connected with single-chip microcomputer and minimum system circuit output end thereof, GSM transport module, warning device, gas diluter;
The logical circuit that contains control gas harvester, digital tube display device, GSM transport module, warning device on described single-chip microcomputer.
Wherein, described gas diluter, comprise blower fan and into and out of tracheae, described blower fan comprises motor and wind turbine chamber, motor output shaft upwards is connected with the indoor worm gear drive of wind turbine, top, wind turbine chamber is provided with and buckles, motor lower portion is fixed with battery cell case, in battery cell case, be sealed and installed with accumulator and control circuit board, the input end of described gas harvester and control circuit board is tightly connected, between accumulator and control circuit board, be tightly connected, output terminal and the input end of motor of control circuit board are tightly connected.
Wherein, the single-chip microcomputer U1 in described single-chip microcomputer and minimum system circuit thereof is the radio frequency chip of an inner integrated 8-bit microcontroller; Described gas harvester is comprised of methane sensing head U8, amplifier U2C, amplifier U2D, amplifier U2B and amplifier U2A, methane sensing head U8 and resistance R 4, R9, potentiometer R6 form an electric bridge, these two amplifiers of R7, R8, R11 and amplifier U2C and amplifier U2D form a differential amplifier circuit, R16, R17, R19, R15 and an amplifier U2B form a negative feedback amplifier circuit, amplifier U2A forms a voltage follower, and R12, C20 form a low-pass filter.
Wherein, the minimum system circuit in described single-chip microcomputer and minimum system circuit thereof is comprised of integrated package JP1, J2, J3, stabilivolt D1, resistance R 5, resistance R 13, resistance R 14, R2, crystal oscillator Y1, capacitor C 14, C15, C1, C2, C3, C4, C5, C6, C17; Described J2, J3 form the battery charging and discharging circuit, positive pole, negative pole and the charging pin of J2 welding battery, and J3 welds a charging inlet; Stabilivolt D1, resistance R 5 and capacitor C 6 form reset circuit, and integrated package JP1 is used for connecing the program burn writing mouth, and C14 and C15 are the crystal oscillator load capacitance, and C1, C3, C17 are filter capacitors.
Wherein, described warning device is comprised of triode Q1, hummer J1 and resistance R 3, the base stage connecting resistance R3 of triode Q1, and the collector of triode Q1 meets hummer J1, and resistance R 3 connects single-chip microcomputer.
Wherein, described infrared remote-receiver is comprised of resistance R 20, chip U10, resistance R 34 and capacitor C 25,1 pin of chip U10 connects single-chip microcomputer, the 2 pin ground connection of chip U10,3 pin of U10 are connected with the positive pole of capacitor C 25, one end of resistance R 34 is connected with power circuit (2), and the other end is connected with the positive pole of capacitor C 25.
Wherein, the RFID reader device is comprised of chip U9, triode Q2, capacitor C 12 and resistance R 18, one end of resistance R 18 is connected with 48 pin of single-chip microcomputer U1, the other end is connected with the base stage of triode Q2, the collector of triode Q2 is connected with 10 pin of chip U9, the positive pole of capacitor C 12 connects 10 pin of chip U9, the minus earth of capacitor C 12.
Wherein, described power module can be mains supply processing module or standby ups power.
Wherein, described button can be touch key-press or keyboard.
A kind of for the kitchen safety early warning device, described prior-warning device comprises the following step at least after starting:
(1) user can pass through key-press input gas density higher limit;
(2) utilize the gas acquisition function of described firedamp sensor, in a time scope, monitoring kitchen surrounding environment, the information gathered within described period, count the basic parameter of gas density;
Utilize the gas acquisition function of described firedamp sensor, monitor the kitchen surrounding environment, and calculate the parameter of prevailing circumstances gas density;
(3) firedamp sensor sends to single-chip microcomputer to the basic parameter and the parameter that gather by the RFID technology, the information that described monolithic receives, the parameter and the described basic parameter that gather out are compared, if the two difference is below the gas density higher limit, described single-chip microcomputer is exported data to digital tube display device, digital tube display device shows the gas concentration of prevailing circumstances, and get back to previous step, continue surrounding being monitored, if the two difference is more than described gas density higher limit, described single-chip microcomputer is exported data to digital tube display device, digital tube display device shows the gas concentration of prevailing circumstances, and carry out next step,
(4) single-chip microcomputer compares parameter and described basic parameter that collection calculates, if the two difference is more than described gas density higher limit, single-chip microcomputer sends the early warning order to warning device, warning device pipes, the user just can understand the family gas leakage at once, can carry out in time and close coal gas and ventilation operation, in order to avoid gas poisoning;
(5) single-chip microcomputer compares parameter and described basic parameter that collection calculates, if the two difference is more than described gas density higher limit, single-chip microcomputer is packed related data and is transferred to gsm module, gsm module sends information to gas concentration in kitchen at that time to the user by gsm protocol, whether the user can understand in time family coal gas and reveal, after going home, can arbitrarily not open start, avoid gas explosion;
(6) user sends order by mobile phone to single-chip microcomputer, allows its startup close gas-jar and starts gas diluter.
Beneficial effect of the present invention is: can monitor by firedamp sensor the combustable gas concentrations such as gas, high sensitivity and the response speed be exceedingly fast and low in energy consumption are arranged, the firedamp sensor signal is transferred to single-chip microcomputer, single-chip microcomputer operation internal processes, by receiving with combustable gas concentrations such as judging now gas, whether have and exceed standard, in case exceed standard, immediately by with jingle bell or other type of alarm, reporting to the police, by the GSM network, gas is exceeded standard to communication to user's mobile phone simultaneously, ensure personnel and property safety at home, have the larger market space.
The accompanying drawing explanation
Fig. 1 is the invention process calcspar.
Fig. 2 is single-chip microcomputer logical circuit enforcement figure of the present invention.
Fig. 3 is circuit diagram of the present invention.
Marking explanation: 1. single-chip microcomputer; 2. minimum system circuit; 3. warning device; 4. gas diluter; 5. gas harvester; 6. infrared remote-receiver; 7. wireless transceiver circuit; 8.RFID reader device; 9. digital tube display device; 10. button and on-off circuit.
Embodiment
Refer to shown in Fig. 1-3, the present invention for the kitchen safety early warning device, comprises button, single-chip microcomputer detection module and connected power module about a kind of, and described single-chip microcomputer detection module connects and comprises single-chip microcomputer and minimum system circuit thereof; Also comprise the gas harvester, infrared remote-receiver and the RFID reader device that with single-chip microcomputer and minimum system circuit input end thereof, are connected; And the digital tube display device be connected with single-chip microcomputer and minimum system circuit output end thereof, GSM transport module, warning device, gas diluter; The logical circuit that contains control gas harvester, digital tube display device, GSM transport module, warning device on described single-chip microcomputer.
Wherein, described gas diluter, comprise blower fan and into and out of tracheae, described blower fan comprises motor and wind turbine chamber, motor output shaft upwards is connected with the indoor worm gear drive of wind turbine, top, wind turbine chamber is provided with and buckles, motor lower portion is fixed with battery cell case, in battery cell case, be sealed and installed with accumulator and control circuit board, the input end of described gas harvester and control circuit board is tightly connected, between accumulator and control circuit board, be tightly connected, output terminal and the input end of motor of control circuit board are tightly connected.
Wherein, the single-chip microcomputer U1 in described single-chip microcomputer and minimum system circuit thereof is the radio frequency chip of an inner integrated 8-bit microcontroller; Described gas harvester is comprised of methane sensing head U8, amplifier U2C, amplifier U2D, amplifier U2B and amplifier U2A, methane sensing head U8 and resistance R 4, R9, potentiometer R6 form an electric bridge, these two amplifiers of R7, R8, R11 and amplifier U2C and amplifier U2D form a differential amplifier circuit, R16, R17, R19, R15 and an amplifier U2B form a negative feedback amplifier circuit, amplifier U2A forms a voltage follower, and R12, C20 form a low-pass filter.
Wherein, the minimum system circuit in described single-chip microcomputer and minimum system circuit thereof is comprised of integrated package JP1, J2, J3, stabilivolt D1, resistance R 5, resistance R 13, resistance R 14, R2, crystal oscillator Y1, capacitor C 14, C15, C1, C2, C3, C4, C5, C6, C17; Described J2, J3 form the battery charging and discharging circuit, positive pole, negative pole and the charging pin of J2 welding battery, and J3 welds a charging inlet; Stabilivolt D1, resistance R 5 and capacitor C 6 form reset circuit, and integrated package JP1 is used for connecing the program burn writing mouth, and C14 and C15 are the crystal oscillator load capacitance, and C1, C3, C17 are filter capacitors.
Wherein, described warning device is comprised of triode Q1, hummer J1 and resistance R 3, the base stage connecting resistance R3 of triode Q1, and the collector of triode Q1 meets hummer J1, and resistance R 3 connects single-chip microcomputer.
Wherein, described infrared remote-receiver is comprised of resistance R 20, chip U10, resistance R 34 and capacitor C 25,1 pin of chip U10 connects single-chip microcomputer, the 2 pin ground connection of chip U10,3 pin of U10 are connected with the positive pole of capacitor C 25, one end of resistance R 34 is connected with power circuit (2), and the other end is connected with the positive pole of capacitor C 25.
Wherein, the RFID reader device is comprised of chip U9, triode Q2, capacitor C 12 and resistance R 18, one end of resistance R 18 is connected with 48 pin of single-chip microcomputer U1, the other end is connected with the base stage of triode Q2, the collector of triode Q2 is connected with 10 pin of chip U9, the positive pole of capacitor C 12 connects 10 pin of chip U9, the minus earth of capacitor C 12.
Wherein, described power module can be mains supply processing module and standby ups power, and standby ups power can be in the situation that the civil power outage still can supply sufficient electric weight to keep the regular event of safety early warning device.
Wherein, described button can be touch key-press or keyboard.
A kind of for the kitchen safety early warning device, described prior-warning device comprises the following step at least after starting:
(1) user can pass through key-press input gas density higher limit;
(2) utilize the gas acquisition function of described firedamp sensor, in a time scope, monitoring kitchen surrounding environment, the information gathered within described period, count the basic parameter of gas density;
Utilize the gas acquisition function of described firedamp sensor, monitor the kitchen surrounding environment, and calculate the parameter of prevailing circumstances gas density;
(3) firedamp sensor sends to single-chip microcomputer to the basic parameter and the parameter that gather by the RFID technology, the information that described monolithic receives, the parameter and the described basic parameter that gather out are compared, if the two difference is below the gas density higher limit, described single-chip microcomputer is exported data to digital tube display device, digital tube display device shows the gas concentration of prevailing circumstances, and get back to previous step, continue surrounding being monitored, if the two difference is more than described gas density higher limit, described single-chip microcomputer is exported data to digital tube display device, digital tube display device shows the gas concentration of prevailing circumstances, and carry out next step,
(4) single-chip microcomputer compares parameter and described basic parameter that collection calculates, if the two difference is more than described gas density higher limit, single-chip microcomputer sends the early warning order to warning device, warning device pipes, the user just can understand the family gas leakage at once, can carry out in time and close coal gas and ventilation operation, in order to avoid gas poisoning;
(5) single-chip microcomputer compares parameter and described basic parameter that collection calculates, if the two difference is more than described gas density higher limit, single-chip microcomputer is packed related data and is transferred to gsm module, gsm module sends information to gas concentration in kitchen at that time to the user by gsm protocol, whether the user can understand in time family coal gas and reveal, after going home, can arbitrarily not open start, avoid gas explosion;
(6) user sends order by mobile phone to single-chip microcomputer, allows its startup close gas-jar and starts gas diluter.
Above embodiment is only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. one kind for the kitchen safety early warning device, comprises button, single-chip microcomputer detection module and connected power module, and described single-chip microcomputer detection module connects and comprises single-chip microcomputer and minimum system circuit thereof; It is characterized in that,
Also comprise the gas harvester, infrared remote-receiver and the RFID reader device that with single-chip microcomputer and minimum system circuit input end thereof, are connected;
And the digital tube display device be connected with single-chip microcomputer and minimum system circuit output end thereof, GSM transport module, warning device, gas diluter;
The logical circuit that contains control gas harvester, digital tube display device, GSM transport module, warning device on described single-chip microcomputer.
2. according to claim 1 a kind of for the kitchen safety early warning device, it is characterized in that: described gas diluter, comprise blower fan and advance, escape pipe, described blower fan comprises motor and wind turbine chamber, motor output shaft upwards is connected with the indoor worm gear drive of wind turbine, top, wind turbine chamber is provided with and buckles, motor lower portion is fixed with battery cell case, in battery cell case, be sealed and installed with accumulator and control circuit board, the input end of described gas harvester and control circuit board is tightly connected, between accumulator and control circuit board, be tightly connected, output terminal and the input end of motor of control circuit board are tightly connected.
3. according to claim 1 a kind of for the kitchen safety early warning device, it is characterized in that: the single-chip microcomputer U1 in described single-chip microcomputer and minimum system circuit thereof is the radio frequency chip of an inner integrated 8-bit microcontroller; Described gas harvester is comprised of methane sensing head U8, amplifier U2C, amplifier U2D, amplifier U2B and amplifier U2A, methane sensing head U8 and resistance R 4, R9, potentiometer R6 form an electric bridge, these two amplifiers of R7, R8, R11 and amplifier U2C and amplifier U2D form a differential amplifier circuit, R16, R17, R19, R15 and an amplifier U2B form a negative feedback amplifier circuit, amplifier U2A forms a voltage follower, and R12, C20 form a low-pass filter.
4. according to claim 1 a kind of for the kitchen safety early warning device, it is characterized in that: the minimum system circuit in described single-chip microcomputer and minimum system circuit thereof is comprised of integrated package JP1, J2, J3, stabilivolt D1, resistance R 5, resistance R 13, resistance R 14, R2, crystal oscillator Y1, capacitor C 14, C15, C1, C2, C3, C4, C5, C6, C17; Described J2, J3 form the battery charging and discharging circuit, positive pole, negative pole and the charging pin of J2 welding battery, and J3 welds a charging inlet; Stabilivolt D1, resistance R 5 and capacitor C 6 form reset circuit, and integrated package JP1 is used for connecing the program burn writing mouth, and C14 and C15 are the crystal oscillator load capacitance, and C1, C3, C17 are filter capacitors.
5. according to claim 1 a kind of for the kitchen safety early warning device, it is characterized in that: described warning device is comprised of triode Q1, hummer J1 and resistance R 3, the base stage connecting resistance R3 of triode Q1, the collector of triode Q1 meets hummer J1, and resistance R 3 connects single-chip microcomputer.
6. according to claim 1 a kind of for the kitchen safety early warning device, it is characterized in that: described infrared remote-receiver is comprised of resistance R 20, chip U10, resistance R 34 and capacitor C 25,1 pin of chip U10 connects single-chip microcomputer, the 2 pin ground connection of chip U10,3 pin of U10 are connected with the positive pole of capacitor C 25, one end of resistance R 34 is connected with power circuit (2), and the other end is connected with the positive pole of capacitor C 25.
7. according to claim 1 a kind of for the kitchen safety early warning device, it is characterized in that: the RFID reader device is comprised of chip U9, triode Q2, capacitor C 12 and resistance R 18, one end of resistance R 18 is connected with 48 pin of single-chip microcomputer U1, the other end is connected with the base stage of triode Q2, the collector of triode Q2 is connected with 10 pin of chip U9, the positive pole of capacitor C 12 connects 10 pin of chip U9, the minus earth of capacitor C 12.
8. according to claim 1 a kind of for the kitchen safety early warning device, it is characterized in that: described power module can be mains supply processing module or standby ups power.
9. according to claim 1 a kind of for the kitchen safety early warning device, it is characterized in that: described button can be touch key-press or keyboard.
10. one kind for the kitchen safety early warning device, and described prior-warning device comprises the following step at least after starting:
(1) user can pass through key-press input gas density higher limit;
(2) utilize the gas acquisition function of described firedamp sensor, in a time scope, monitoring kitchen surrounding environment, the information gathered within described period, count the basic parameter of gas density;
Utilize the gas acquisition function of described firedamp sensor, monitor the kitchen surrounding environment, and calculate the parameter of prevailing circumstances gas density;
(3) firedamp sensor sends to single-chip microcomputer to the basic parameter and the parameter that gather by the RFID technology, the information that described monolithic receives, the parameter and the described basic parameter that gather out are compared, if the two difference is below the gas density higher limit, described single-chip microcomputer is exported data to digital tube display device, digital tube display device shows the gas concentration of prevailing circumstances, and get back to previous step, continue surrounding being monitored, if the two difference is more than described gas density higher limit, described single-chip microcomputer is exported data to digital tube display device, digital tube display device shows the gas concentration of prevailing circumstances, and carry out next step,
(4) single-chip microcomputer compares parameter and described basic parameter that collection calculates, if the two difference is more than described gas density higher limit, single-chip microcomputer sends the early warning order to warning device, warning device pipes, the user just can understand the family gas leakage at once, can carry out in time and close coal gas and ventilation operation, in order to avoid gas poisoning;
(5) single-chip microcomputer compares parameter and described basic parameter that collection calculates, if the two difference is more than described gas density higher limit, single-chip microcomputer is packed related data and is transferred to gsm module, gsm module sends information to gas concentration in kitchen at that time to the user by gsm protocol, whether the user can understand in time family coal gas and reveal, after going home, can arbitrarily not open start, avoid gas explosion;
(6) user sends order by mobile phone to single-chip microcomputer, allows its startup close gas-jar and starts gas diluter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013102247061A CN103412501A (en) | 2013-06-07 | 2013-06-07 | Safety prewarning device for kitchen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2013102247061A CN103412501A (en) | 2013-06-07 | 2013-06-07 | Safety prewarning device for kitchen |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103412501A true CN103412501A (en) | 2013-11-27 |
Family
ID=49605526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2013102247061A Pending CN103412501A (en) | 2013-06-07 | 2013-06-07 | Safety prewarning device for kitchen |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103412501A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103839384A (en) * | 2014-03-27 | 2014-06-04 | 四川鹏翔电子科技有限责任公司 | Intelligent fuel gas leakage alarm system |
CN106224633A (en) * | 2016-09-29 | 2016-12-14 | 东莞市金石电子科技有限公司 | A kind of gas monitor and control alarming protection mechanism |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2787837Y (en) * | 2005-05-15 | 2006-06-14 | 董韬 | RF gas monitoring instrument for keeping watch |
CN201331532Y (en) * | 2009-01-19 | 2009-10-21 | 重庆梅安森科技发展有限责任公司 | Wide range methane sensor device |
CN201429890Y (en) * | 2009-06-25 | 2010-03-24 | 郑州轻工业学院 | Gas alarm |
CN201570106U (en) * | 2009-11-05 | 2010-09-01 | 无锡职业技术学院 | Novel household gas alarm |
CN102519061A (en) * | 2011-11-10 | 2012-06-27 | 许春香 | Intelligent range hood of internet of things |
JP2012198752A (en) * | 2011-03-22 | 2012-10-18 | Yazaki Corp | Gas alarm |
CN202632482U (en) * | 2012-04-09 | 2012-12-26 | 上海理工大学 | Intelligent household combustion gas leakage processing apparatus |
CN202904822U (en) * | 2012-09-24 | 2013-04-24 | 北京联合大学 | Gas alarm device based on FPGA |
-
2013
- 2013-06-07 CN CN2013102247061A patent/CN103412501A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2787837Y (en) * | 2005-05-15 | 2006-06-14 | 董韬 | RF gas monitoring instrument for keeping watch |
CN201331532Y (en) * | 2009-01-19 | 2009-10-21 | 重庆梅安森科技发展有限责任公司 | Wide range methane sensor device |
CN201429890Y (en) * | 2009-06-25 | 2010-03-24 | 郑州轻工业学院 | Gas alarm |
CN201570106U (en) * | 2009-11-05 | 2010-09-01 | 无锡职业技术学院 | Novel household gas alarm |
JP2012198752A (en) * | 2011-03-22 | 2012-10-18 | Yazaki Corp | Gas alarm |
CN102519061A (en) * | 2011-11-10 | 2012-06-27 | 许春香 | Intelligent range hood of internet of things |
CN202632482U (en) * | 2012-04-09 | 2012-12-26 | 上海理工大学 | Intelligent household combustion gas leakage processing apparatus |
CN202904822U (en) * | 2012-09-24 | 2013-04-24 | 北京联合大学 | Gas alarm device based on FPGA |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103839384A (en) * | 2014-03-27 | 2014-06-04 | 四川鹏翔电子科技有限责任公司 | Intelligent fuel gas leakage alarm system |
CN106224633A (en) * | 2016-09-29 | 2016-12-14 | 东莞市金石电子科技有限公司 | A kind of gas monitor and control alarming protection mechanism |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107301757A (en) | A kind of kitchen fuel gas alarm detector and its alarm detection procedure | |
CN105374170A (en) | Novel intelligent household gas leakage monitoring system | |
CN1916797A (en) | Wireless intelligence type monitoring and controlling alarm system for safety, environmental protection in room | |
CN102034331A (en) | Intelligent room security protection monitoring system | |
CN204680141U (en) | A kind of intelligent fire warning device based on Internet of Things | |
CN207115708U (en) | A kind of kitchen fuel gas alarm | |
CN204422502U (en) | A kind of gas detector for workover treatment | |
CN206236254U (en) | A kind of Intelligent household gas monitoring processing system | |
CN202916939U (en) | Wireless fire detector | |
CN103412501A (en) | Safety prewarning device for kitchen | |
CN203232541U (en) | Intelligent home furnishing security system based on universal server | |
CN203455330U (en) | Sewer gas safety monitoring and prewarning system | |
CN203025182U (en) | Detecting system for poisonous combustible gas | |
CN204057545U (en) | A kind of elevator intelligent detector | |
CN201382817Y (en) | Multifunctional detector | |
CN206583893U (en) | A kind of Portable combustible gas detector | |
CN203055085U (en) | Household antitheft, fireproof and gas leakage-prevention system | |
CN116146910A (en) | Gas leakage detection method based on infrared temperature-sensing camera | |
Hu et al. | Design and implementation of smart home control system | |
CN202502088U (en) | Household anti-theft gas concentration detecting device | |
CN104751590A (en) | Single-chip microcomputer based smoke alarm and alarm method thereof | |
CN104318720A (en) | STC89C52-based smoke and gas alarm system | |
CN103150866A (en) | Household three-proofing system | |
CN206649642U (en) | Use the equipment of broad spectrum type sensor identification methane gas | |
CN208654107U (en) | A kind of remote detecting system based on portable compound gas detector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131127 |