CN103196235B - Domestic gas-fired water heater automatic alarm method - Google Patents
Domestic gas-fired water heater automatic alarm method Download PDFInfo
- Publication number
- CN103196235B CN103196235B CN201310131378.0A CN201310131378A CN103196235B CN 103196235 B CN103196235 B CN 103196235B CN 201310131378 A CN201310131378 A CN 201310131378A CN 103196235 B CN103196235 B CN 103196235B
- Authority
- CN
- China
- Prior art keywords
- gas
- human body
- water heater
- acquisition sensor
- infrared human
- 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.)
- Expired - Fee Related
Links
Landscapes
- Emergency Alarm Devices (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The present invention relates to a kind of domestic gas-fired water heater automatic alarm method, comprise: by controller and coal gas survey meter, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor is attached on the agent set of domestic gas-fired water heater, controller connects coal gas survey meter respectively, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor, described controller is according to coal gas survey meter, carbonomonoxide concentration checkout gear, the testing result of infrared human body acquisition sensor judges whether to carry out gas alarm, wherein, described agent set comprises shell, burner, water inlet pipe, outlet pipe, exhaust uptake and heat exchanger.Pass through the present invention, the gas concentration in the insufficient and room air of gas-fired can be detected, in time gas alarm information is passed to inhabitation people, so that inhabitation people takes measures, avoid the potential safety hazard of possibility gas explosion and anthracemia, ensure that the person and the property safety of people.
Description
Technical field
The present invention relates to a kind of domestic gas-fired water heater automatic alarm method, particularly relate to and a kind ofly can determine whether according to gas leak situation the domestic gas-fired water heater automatic alarm method that carries out reporting to the police for indoor, when inhabitation people not to be concerned about gas leak or inhabitation people not in indoor in indoor, coal gas imperfect combustion situation and indoor gas concentration can be gone out by automatic analysis, and actively find solution, ensure the safety of house property and the person.
Background technology
The basic functional principle of gas heater is that cold water enters water heater, flow through Water-gas linkage valve body under the certain pressure difference effect of circulating water, promote Water-gas linkage valve, and promote dc source microswitch by power supply connection also starting impulse igniter simultaneously, meanwhile open combustion gas gas transmission electromagnetic valve, continue automatically again to light a fire by pulse igniter, until light a fire successfully enter normal operating conditions, this process maintains 5 ~ 10 second time about continuously, when gas heater occurs lack of water or hydraulic pressure deficiency in the course of work or ignition process, short of electricity, lack combustion gas, hot water temperature is too high, when surprisingly putting out the phenomena of the failure such as fire, pulse igniter is by the signal by detecting inductive needle feedback, automatic cut-off power, original normally close valve state is replied at once when the short of electricity of combustion gas gas transmission electromagnetic valve supplies, that is now fuel gas path is cut off, close gas heater and play safeguard protection effect.A usual qualified gas heater, refer to that property indices meets the gas heater of GB6932-2001 " domestic gas instantaneous water heater " national standard requirement, Automatic Control from fired state to the whole process entering normal operating conditions, without the need to artificially adjustment or additional setting, as long as open cold water switch or connect cold water source, regulated by water-quantity regulating device and air volume regulating device and obtain the suitable water yield and water temperature, gas heater just enters normal operating conditions at once within 5 ~ 10 seconds shorter time, output hot water simultaneously, once there is above chance failure, gas heater automatically will quit work in 10 seconds, and cut off fuel gas path at once, prevent combustion gas from continuing to flow out, and can not automatically reopen, unless restarted gas heater again after getting rid of above fault artificially, can normal operating conditions, therefore, its service behaviour is reliably safer.
But, the usual blow-by in combustion chamber of existing gas heater, water heater is used for indoor, during water heater burning, required oxygen also takes from indoor, burn the waste gas that produces by flue discharged to outdoor, so water heater can not be arranged on bathroom, simultaneously because of natural inflow during burning, not exclusively, have impact on the thermal efficiency, imperfect combustion also can produce carbon monoxide for combustion gas and air mixing, cause indoor inhabitation people poisoning, or after gas leakage and oxygen mix, easily set off an explosion, bring hidden danger all can to the person and property safety.
Therefore, need a kind of domestic gas-fired water heater automatic alarm method for indoor, gas leakage situation in timely sensing chamber environment and carbonomonoxide concentration, determine whether to need to report to the police to inhabitation people, take measures, as windowed, die, guarantee room air is fresh, stop potential safety hazard, meanwhile, whether determine whether passing through audible alarm in indoor according to inhabitation people, or by wireless network, warning message is sent to not on the mobile phone of the people of indoor, ensures the timely transmission of warning message.
Summary of the invention
In order to solve the problem, the invention provides a kind of domestic gas-fired water heater automatic alarm method for indoor, make the concern that user need not ensure room air in the moment, without gas leakage and carbonomonoxide concentration problem in oneself observation room air, warn in time, thus improve indoor environment, ensure the person and property safety.
According to an aspect of the present invention, provide a kind of domestic gas-fired water heater automatic alarm method for indoor, comprise controller and coal gas survey meter, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor is attached on the agent set of domestic gas-fired water heater, controller connects coal gas survey meter respectively, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor, described controller is according to coal gas survey meter, carbonomonoxide concentration checkout gear, the testing result of infrared human body acquisition sensor judges whether to carry out gas alarm, wherein, described agent set comprises shell, burner, water inlet pipe, outlet pipe, exhaust uptake and heat exchanger.
More specifically, described domestic gas-fired water heater automatic alarm method comprises further: install coal gas survey meter on the burner, whether gas leak occurs when detecting the work of described domestic gas-fired water heater; The use of carbonomonoxide concentration checkout gear carries asepwirator pump suction indoor gas and measures, with the carbonomonoxide concentration in sensing chamber; Infrared human body acquisition sensor adopts passive type infrared human body detection mode, whether there is human body in detecting chamber; Controller receives the testing result of coal gas survey meter, carbonomonoxide concentration checkout gear and infrared human body acquisition sensor respectively, when coal gas survey meter detects gas leak or carbonomonoxide concentration checkout gear detects that concentration of indoor carbon monoxide value is greater than 20mg/m
3time, send gas alarm signal, and according to the result of infrared human body acquisition sensor detection indoor human body, carry out gas alarm operation, when coal gas survey meter does not detect gas leak or carbonomonoxide concentration checkout gear detects that concentration of indoor carbon monoxide value is less than 20mg/m
3time, send coal gas normal signal; Wherein, described domestic gas-fired water heater automatic alarm method also comprises, and after domestic gas-fired water heater starts, uses the cell apparatus be arranged in the shell of described domestic gas-fired water heater, powers to each device of described domestic gas-fired water heater; Wherein, the described result according to infrared human body acquisition sensor detection indoor human body, carry out gas alarm operation to comprise, when infrared human body acquisition sensor detects indoor human body, voice playing module is used from memory, to read the auditory tone cues file corresponding with gas alarm and play described auditory tone cues file, when infrared human body acquisition sensor does not detect indoor human body, use wireless data communication module, by cordless communication network, gas alarm message is sent to object network or object mobile phone; Wherein, can carbonomonoxide concentration checkout gear, infrared human body acquisition sensor and wireless data communication module be positioned on the shell of agent set, cell apparatus, controller, memory and voice playing module can be positioned in the shell of agent set.
More specifically, described domestic gas-fired water heater automatic alarm method comprises further: described wireless data communication module can be GPRS data communication unit or 3G data communication units, described object network is local safety management network, and described object mobile phone is the mobile phone of house inhabitation people.
More specifically, described domestic gas-fired water heater automatic alarm method comprises further: during described water inlet pipe water inlet, start gas heater, when described outlet pipe is closed, gas heater quits work.
More specifically, described domestic gas-fired water heater automatic alarm method comprises further: can offer louver(-vre) at the side wall of outer shell of gas heater, can offer observation window on the housing with burner corresponding position.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
The flow chart of the domestic gas-fired water heater automatic alarm method that Fig. 1 illustrates according to an embodiment of the present invention.
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of domestic gas-fired water heater automatic alarm method of the present invention is described in detail.
Fig. 1 illustrates the flow chart of the domestic gas-fired water heater automatic alarm method illustrated according to an embodiment of the present invention.Wherein be used to indoor domestic gas-fired water heater automatic alarm method comprise: by controller and coal gas survey meter, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor is attached on the agent set of domestic gas-fired water heater, controller connects coal gas survey meter respectively, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor, described controller is according to coal gas survey meter, carbonomonoxide concentration checkout gear, the testing result of infrared human body acquisition sensor judges whether to carry out gas alarm, wherein, described agent set comprises shell, burner, water inlet pipe, outlet pipe, exhaust uptake and heat exchanger.According to the testing result of coal gas survey meter, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor, described controller judges whether that carrying out gas alarm specifically comprises, coal gas survey meter is on the burner installed, when detecting the work of described domestic gas-fired water heater, whether gas leak occurs; The use of carbonomonoxide concentration checkout gear carries asepwirator pump suction indoor gas and measures, with the carbonomonoxide concentration in sensing chamber; Infrared human body acquisition sensor adopts passive type infrared human body detection mode, whether there is human body in detecting chamber; Controller receives the testing result of coal gas survey meter, carbonomonoxide concentration checkout gear and infrared human body acquisition sensor respectively, when coal gas survey meter detects gas leak or carbonomonoxide concentration checkout gear detects that concentration of indoor carbon monoxide value is greater than 20mg/m
3time, send gas alarm signal, and according to the result of infrared human body acquisition sensor detection indoor human body, carry out gas alarm operation, when coal gas survey meter does not detect gas leak or carbonomonoxide concentration checkout gear detects that concentration of indoor carbon monoxide value is less than 20mg/m
3time, send coal gas normal signal; Wherein, described domestic gas-fired water heater automatic alarm method also comprises, and after domestic gas-fired water heater starts, uses the cell apparatus be arranged in the shell of described domestic gas-fired water heater, powers to each device of described domestic gas-fired water heater; Wherein, the described result according to infrared human body acquisition sensor detection indoor human body, carry out gas alarm operation to comprise, when infrared human body acquisition sensor detects indoor human body, voice playing module is used from memory, to read the auditory tone cues file corresponding with gas alarm and play described auditory tone cues file, when infrared human body acquisition sensor does not detect indoor human body, use wireless data communication module, by cordless communication network, gas alarm message is sent to object network or object mobile phone; Wherein, can carbonomonoxide concentration checkout gear, infrared human body acquisition sensor and wireless data communication module be positioned on the shell of agent set, cell apparatus, controller, memory and voice playing module can be positioned in the shell of agent set.
Wherein, infrared human body acquisition sensor, adopts passive type infrared human body detection mode, whether there is human body in detecting chamber.At occurring in nature, anyly all will produce infrared spectrum, the object of different temperatures higher than object time absolute temperature (-273 degree), the wavelength of its infrared energy discharged is different, and therefore, infrared wavelength is relevant to the height of temperature.According to this characteristic, human body is also a hot body, human body has constant body temperature, generally at 36 to 37 degree, so the infrared ray of specific wavelength 7 to 10 microns can be sent, according in a characteristic, the existence of the infrared sensor detection human body of corresponding wave band sensitivity can be produced, because gas heater itself is a heater, but its stable be not 36 to 37 constant degree, therefore can use the existence of infrared ray determination human body.Described passive infrared sensor is the infrared ray of 10 microns leaning on human body to launch and carries out work.The infrared ray of 10 microns of human-body emitting is by focusing on infrared induction source after your the optical filter enhancing of luxuriant and rich with fragrance mud.Infrared induction source adopts pyroelectricity element usually, and this element can lose charge balance when receiving human infrared radiation temperature and changing, and outwards discharges electric charge, and subsequent conditioning circuit is by just producing detection signal after check processing.
In addition, described domestic gas-fired water heater automatic alarm method comprises further: described wireless data communication module can be GPRS data communication unit or 3G data communication units, described object network is local safety management network, and described object mobile phone is the mobile phone of house inhabitation people.As being greater than 20mg/m in concentration of indoor carbon monoxide value
3time, due to carbon monoxide be colorless and odorless non-irritating other, people are difficult to the thoughts and feelings of the very first time by self, at this moment people are pointed out by audible alarm, or in infrared sensor sensing chamber nobody time, carbon monoxide to be exceeded standard and concrete carbonomonoxide concentration is sent on inhabitation people mobile phone, be convenient to related personnel's Emergency Assistance, thus ensured rescue time.
Wherein, carbon monoxide (carbon monoxide, CO) sterling is colourless, odorless, non-irritating gas.Molecular weight 28.01, density 1.250g/l, freezing point is-207 DEG C, boiling point-190 DEG C.Solubility in water is very low, but is soluble in ammoniacal liquor.The air mixed explosion limit is 12.5% ~ 74%.Carbon monoxide enter human body after can and blood in hemoglobin combination, and then make hemoglobin can not with combination with oxygen, thus cause body tissue to occur anoxic, cause human body death by suffocation.Therefore carbon monoxide has toxicity.Carbon monoxide is colourless, odorless, tasteless gas, therefore is easy to ignore and cause poisoning.The maximum permissible concentration of carbon monoxide: 20mg/m
3.Carbon monoxide acute poisoning, can be divided into slightly according to clinical manifestation, moderate and severe three grades.Calomel poisoning shows as dizziness, dim eyesight, severe headache, tinnitus, temples constriction and pulsatory feeling, still has Nausea and vomiting, palpitaition, weakness of limbs, but without stupor.Depart from poisoning scene, inhale fresh air or after suitably treating, symptom can rapidly disappear.Moderate intoxication, except above-mentioned symptom, also shows as initial stage hidrosis, agitation, instability of gait, skin and mucosal pallor, and occurs cherry-red along with poisoning increasing the weight of, and the most obvious with cheek shirtfront and femoribus internus, haziness is even gone into a coma.If rescue in time, can revive very soon, general without significant complications and supervention disease.Severe intoxication is except the symptom with part or all moderate intoxication, and patient can enter rapidly comatose state in various degree, and the time can last for hours to round the clock several, often occurs teeth clenched, tatanic general spasticity, gatism and pathologic reflex.Often occur together toxic encephalopathy, myocarditis, suction human nature pneumonia, pulmonary edema and electrolyte disturbance etc.In addition, a series of signs of a brain damage can be there are, as body temperature rising, perspiration, leukocytosis, blood sugar rising, glycosuria, albuminuria etc., also can to occur in blood that lactic acid increases and lactic acid dehydrogenase activity such as to increase at the biochemical change.Brain wave is abnormal, shows as wave amplitude step-down during severe.Pump suction type carbonmonoxide detector of the present invention be a kind of can the single gas of flexible configuration or multiple gases detection alarm instrument, it can be equipped with oxygen sensor, combustible gas sensor and toxic gas sensor or optional four kinds of gas sensors or optional single gas sensor.
In addition, described domestic gas-fired water heater automatic alarm method comprises further: during described water inlet pipe water inlet, start gas heater, when described outlet pipe is closed, gas heater quits work.Wherein the basic structure of gas heater is mainly made up of valve body assembly, main burner, small fire burner, heat exchanger, safety device etc., and it also comprises the forced-drainage device of Flue Gas Water Heater flue, forced-ventilated water heater.Valve body assembly controls the working procedure of whole water heater, and it comprises water valve, air valve, microswitch and igniter etc.When water heater is installed, all should mounted valve in water inlet pipe, outlet pipe, Gas Pipe.When using water heater, first open gas valve and water intaking valve.When opening outlet valve, igniter and microswitch control first to light little fire, refire main fire.Little fire do not established by some water heaters, can directly light main fire.Combustion gas is in combustion chamber combustion, and water is heated by heat exchanger by heat, and hot water flows out continually from delivery port.Turn off outlet valve, water heater quits work.
In addition, described domestic gas-fired water heater automatic alarm method comprises further: can offer louver(-vre) at the side wall of outer shell of gas heater, observation window can be offered on the housing with burner corresponding position, so that gas heater ventilation and convenient for maintaining personnel and user observe gas heater inner case, take measures in time.
Adopt domestic gas-fired water heater automatic alarm method of the present invention, achieve real-time detection and the warning of indoor gas, the specific targets in described gas comprise coal gas and carbon monoxide.When the appearance gas leakage of indoor environment or carbonomonoxide concentration too high, notify that related personnel gives first aid in time, take modes such as windowing or die, keep the unimpeded of indoor gas and upgrade.One convenience, facilitates the monitoring of indoor occupant to environment inside car, and another is convenient, also can be sent on inhabitation people mobile phone by the warning message of coal gas and carbon monoxide in time, avoid hazard to person and property loss when indoor are unmanned.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (1)
1. a domestic gas-fired water heater automatic alarm method, comprising:
Controller and coal gas survey meter, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor are attached on the agent set of domestic gas-fired water heater, controller connects coal gas survey meter, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor respectively, described controller judges whether to carry out gas alarm according to the testing result of coal gas survey meter, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor, wherein, described agent set comprises shell, burner, water inlet pipe, outlet pipe, exhaust uptake and heat exchanger;
Comprise further:
Coal gas survey meter is on the burner installed, when detecting the work of described domestic gas-fired water heater, whether gas leak occurs;
The use of carbonomonoxide concentration checkout gear carries asepwirator pump suction indoor gas and measures, with the carbonomonoxide concentration in sensing chamber;
Infrared human body acquisition sensor adopts passive type infrared human body detection mode, whether there is human body in detecting chamber;
Controller receives the testing result of coal gas survey meter, carbonomonoxide concentration checkout gear and infrared human body acquisition sensor respectively, when coal gas survey meter detects gas leak or carbonomonoxide concentration checkout gear detects that concentration of indoor carbon monoxide value is greater than 20mg/m
3time, send gas alarm signal, and according to the result of infrared human body acquisition sensor detection indoor human body, carry out gas alarm operation, when coal gas survey meter does not detect gas leak or carbonomonoxide concentration checkout gear detects that concentration of indoor carbon monoxide value is less than 20mg/m
3time, send coal gas normal signal;
Wherein, described domestic gas-fired water heater automatic alarm method also comprises, and after domestic gas-fired water heater starts, uses the cell apparatus be arranged in the shell of described domestic gas-fired water heater, powers to each device of described domestic gas-fired water heater;
Wherein, the described result according to infrared human body acquisition sensor detection indoor human body, carry out gas alarm operation to comprise, when infrared human body acquisition sensor detects indoor human body, voice playing module is used from memory, to read the auditory tone cues file corresponding with gas alarm and play described auditory tone cues file, when infrared human body acquisition sensor does not detect indoor human body, use wireless data communication module, by cordless communication network, gas alarm message is sent to object network or object mobile phone;
Wherein, carbonomonoxide concentration checkout gear, infrared human body acquisition sensor and wireless data communication module are positioned on the shell of agent set, cell apparatus, controller, memory and voice playing module are positioned in the shell of agent set.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310131378.0A CN103196235B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
| CN201510137671.7A CN104748396B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
| CN201510134092.7A CN104792016B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310131378.0A CN103196235B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510134092.7A Division CN104792016B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
| CN201510137671.7A Division CN104748396B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103196235A CN103196235A (en) | 2013-07-10 |
| CN103196235B true CN103196235B (en) | 2015-08-19 |
Family
ID=48718944
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310131378.0A Expired - Fee Related CN103196235B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
| CN201510134092.7A Expired - Fee Related CN104792016B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
| CN201510137671.7A Active CN104748396B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510134092.7A Expired - Fee Related CN104792016B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
| CN201510137671.7A Active CN104748396B (en) | 2013-04-17 | 2013-04-17 | Domestic gas-fired water heater automatic alarm method |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN103196235B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748394B (en) * | 2015-03-03 | 2019-03-22 | 芜湖美的厨卫电器制造有限公司 | Gas heater safety system and gas heater |
| CN111397214A (en) * | 2019-01-03 | 2020-07-10 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| CN111161510B (en) * | 2020-01-03 | 2021-06-01 | 上海安宏建设工程有限公司 | Automatic alarm device for household gas leakage |
| CN112113342A (en) * | 2020-08-25 | 2020-12-22 | 芜湖美的厨卫电器制造有限公司 | Water heater and method, device and machine readable storage medium thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2127804C (en) * | 1992-11-26 | 1999-09-28 | Toshinori Sugimoto | Antitheft system and antitheft apparatus |
| US5807098A (en) * | 1996-04-26 | 1998-09-15 | Desa International, Inc. | Gas heater with alarm system |
| CN2420579Y (en) * | 2000-05-22 | 2001-02-21 | 申忠玉 | Human safety protector for water heater |
| GB0026538D0 (en) * | 2000-10-31 | 2000-12-13 | Innovative Technical Solutions | Monitoring system |
| CN2524035Y (en) * | 2002-01-15 | 2002-12-04 | 谭锦镛 | Remote-control safety valve for gas supply pipeline |
| CN201028634Y (en) * | 2007-03-19 | 2008-02-27 | 谢忠谚 | Bidirectional wireless radio controller used for gas water heater or gas fireplace |
| CN201368594Y (en) * | 2009-01-20 | 2009-12-23 | 海尔集团公司 | Carbon monoxide alarm device for gas water heater |
| CN201621864U (en) * | 2009-08-14 | 2010-11-03 | 广东万家乐燃气具有限公司 | Protection device of active-type gas leakage and limit exceeding of CO content |
| CN201787734U (en) * | 2010-05-17 | 2011-04-06 | 康佳集团股份有限公司 | Pre-warning gas water heater |
| CN102693611A (en) * | 2012-05-29 | 2012-09-26 | 大连运筹科技有限公司 | Intelligent household alarming system |
-
2013
- 2013-04-17 CN CN201310131378.0A patent/CN103196235B/en not_active Expired - Fee Related
- 2013-04-17 CN CN201510134092.7A patent/CN104792016B/en not_active Expired - Fee Related
- 2013-04-17 CN CN201510137671.7A patent/CN104748396B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104792016A (en) | 2015-07-22 |
| CN104748396A (en) | 2015-07-01 |
| CN103196235A (en) | 2013-07-10 |
| CN104792016B (en) | 2016-04-20 |
| CN104748396B (en) | 2017-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104792017B (en) | Automatic alarm domestic gas-fired water heater | |
| CN103196235B (en) | Domestic gas-fired water heater automatic alarm method | |
| CN205508040U (en) | Kitchen safety coefficient of control kitchen conflagration | |
| CN105701985A (en) | Combustion gas leakage alarm control system | |
| CN103280060B (en) | A kind of wired home room system based on GSM | |
| WO2020141693A1 (en) | Boiler control system through monitoring of carbon monoxide | |
| CN104566516B (en) | Gas oven with functions of flame detection | |
| CN208908061U (en) | A kind of combustion gas gateway, gas safety detection system and gas-cooker | |
| CN207335139U (en) | Gas heater | |
| CN112634589B (en) | Household gas intelligent integrated system of anti-leakage and anti-explosion timing switch | |
| CN206315655U (en) | A kind of kitchen pernicious gas processing system | |
| CN109060901A (en) | A kind of anti-suffocation device monitoring in-vehicle air | |
| CN209165759U (en) | A kind of wall-hung boiler | |
| CN207438922U (en) | Anti-electric valve and gas heater | |
| CN204388206U (en) | Suspended ceiling heater | |
| CN205486673U (en) | Alarm control system is leaked in gas | |
| CN212460778U (en) | Kitchen fire safety early warning device | |
| CN209560331U (en) | A kind of kitchen monitoring device | |
| CN205594324U (en) | Multidimension intelligence combustible gas safety alarm clock device | |
| CN113808359A (en) | Unattended kitchen Internet of things alarm device | |
| CN203838849U (en) | Outdoor tent safety alarm | |
| CN209946119U (en) | Waterproof backfire early warning device based on tumbler principle | |
| Zeng et al. | Intelligent Fire Alarm System Based on MCU | |
| CN111059579B (en) | Residual temperature reminding control method and control system for kitchen range | |
| CN218159251U (en) | Flue gas burning detector based on wiFi |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: WUXI MIZARLINK INTELLIGENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI YINGCHUN Effective date: 20150724 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150724 Address after: 214431, D323, 159 middle Chengjiang Road, Jiangyin, Jiangsu, Wuxi Applicant after: Wuxi Meiliandong Line Intelligent Technology Co.,Ltd. Address before: 100044, Beijing Haidian District Zhongguancun South Street, No. 56, building 8 square radius Applicant before: Li Yingchun |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 |