CN2357261Y - Full-automatic gas (electricity) water heater - Google Patents
Full-automatic gas (electricity) water heater Download PDFInfo
- Publication number
- CN2357261Y CN2357261Y CN 98230880 CN98230880U CN2357261Y CN 2357261 Y CN2357261 Y CN 2357261Y CN 98230880 CN98230880 CN 98230880 CN 98230880 U CN98230880 U CN 98230880U CN 2357261 Y CN2357261 Y CN 2357261Y
- Authority
- CN
- China
- Prior art keywords
- valve
- water
- chip microcomputer
- core bar
- automatic
- 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
Images
Abstract
The utility model relates to a full-automatic gas (electricity) water heater. Various 7-10 liters gas water heaters which are sold in the market are additionally provided with a single chip machine computer control device, an automatic water-air supply regulating device, a sensing detection device for output environmental water and hot water temperature, a tubular electric heating element preheating device for cold water, etc. The utility model is provided with two sets of temperature setting devices which are a local control panel and a wire controller, wherein, the wire controller is arranged in a bathroom, and thus, users can regulate hot-water temperature and water output at any time as circumstances demand. The utility model has an emergency protection function for various abnormal situations, the additional apparatus can be matched with gas water heaters with any structure without changing the structure of the original complete machine, and the utility model has the advantages of easy use, and safety.
Description
The utility model relates to technical field of water heaters, particularly a kind of automatic fuel gas () water heater.
Existing commercially available water heater has two kinds of gas heater and electric heaters, and their common defectives are that water temperature can not preestablish, and need often waste many water and combustion gas with hand examination temperature when bathing; The adjusting of the water temperature water yield is by manually carrying out, and is very inconvenient; Particularly bathing in the winter time, because of environment temperature is low, the needs when the hot water water temperature of coming out from water heater does not reach people's bathing, and the water yield is also less, can not make the temperature in the bathroom be elevated to suitable temperature, is easy to flu etc. after the bathing.
It is a kind of by single-chip microcomputer computer control that the purpose of this utility model is to provide, can preestablish water temperature and output and can regulate gas quantity automatically, output maintains new automatic the combustion gas () water heater of design temperature to guarantee leaving water temperature.
The purpose of this utility model is achieved in that and installs cover single-chip microcomputer (computer) device additional and be connected with single-chip microcomputer by electronic circuit and accept monolithic processor controlled automatic water supply device, automatic feeder, ambient water TEMP detector, hot water temperature's sensing detection device etc. on commercially available 7-10 rises the basis of gas heater.Concrete structure is as follows: it comprises the shell, flue, heat exchanger, coiled pipe, main burner, the some tongues of fire, pulse igniter, thermocouple, magnetic valve, Pneumatic-hydraulic interlocked valve, pulsed electron generator, microswitch, choke valve, gas inlet pipe, ambient water water inlet pipe, hot water outlet pipe etc. of existing water heater, and characteristics are to be provided with hot water temperature's sensing detection device on the hot water outlet pipe; Between gas inlet pipe and magnetic valve, install automatic air feed adjusting device additional; Between environment water pipe and Pneumatic-hydraulic interlocked valve, install ambient water TEMP detector additional; Between choke valve and coiled pipe, install the automatic water-supply adjusting device additional; Suitable space mounting single-chip microcomputer (computer) and attaching plug below in commercially available outer cover of water heater, housing face-plate below fitting operation plate is provided with display and operation push-button on the operation panel.Wherein the air feed adjusting device is made up of stepper motor and gas control valve automatically, and the automatic water-supply adjusting device is made up of stepper motor and water regulating valve; Stepper motor, hot water water temperature sensing detection device, environment water temperature sensing detection device, operation panel, magnetic valve etc. link to each other with single-chip microcomputer by electronic circuit.
The utility model is to install single-chip microcomputer additional on commercially available gas heater, automatic water-supply, air feed adjusting device, the TEMP detector, attaching plug etc., and be connected to each other together by electronic circuit and form, characteristics are temperature information control step direction of motor rotation and the speed that is transmitted according to each TEMP detector automatically by single-chip microcomputer, and then the valve disc that drives gas control valve and water regulating valve rotates, automatically select suitable air vent and water supply hole to regulate air demand and output, automatic control and adjustment hot water water temperature also keeps constant.The user can be according to the needs of oneself, and operation push-button is set the hot water water temperature arbitrarily between 15 ℃-70 ℃ easily, needn't manual adjustment, all carry out automatically by single-chip microcomputer.The package unit that installs additional can be supporting and need not change the overall structure of former type with the gas heater of commercially available various structures; And have advantages such as simple in structure, reliable in action, province's gas water-saving.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the utility model embodiment overall structure distribution map;
Fig. 2 is the utility model embodiment air feed self-checking device structural representation;
Fig. 3 looks cross-sectional schematic for Fig. 2 left side;
Fig. 4 is the utility model embodiment self-checking device structural representation that supplies water;
Fig. 5 looks cross-sectional schematic for Fig. 4 left side;
Fig. 6 is the utility model water route process of gas path figure;
Fig. 7 is the utility model single-chip microcomputer computer-controlled circuit structured flowchart;
Fig. 8 is the utility model single-chip microcomputer (computer) control circuit schematic diagram;
Fig. 9 is the utility model operation panel circuit theory diagrams;
Figure 10 is the utility model line control machine circuit theory diagrams;
Figure 11 carries out the coolant controlled flow chart for the utility model single-chip microcomputer computer;
Figure 12 is the utility model line control machine panel layout;
Figure 13 is electrothermal tube structure figure;
The overall structure of present embodiment as shown in Figure 1, it comprises: the shell 1 of commercially available gas heater, flue 2, heat exchanger 3, coiled pipe 4, main burner 5, the some tongues of fire 6, pulse igniter 7, thermocouple 8, magnetic valve 9, Pneumatic-hydraulic interlocked valve 10, impulse generator 20, microswitch 23, choke valve 41, ambient water water inlet pipe 26, gas inlet pipe 25, hot water outlet pipe 24, power supply 22 etc., and characteristics are hot water temperature's sensing detection device 16 to be set on the hot water outlet pipe 24, to install additional between gas inlet pipe 25 and magnetic valve 9 by stepper motor 12 and gas control valve 14; Between ambient water water inlet pipe 26 and Pneumatic-hydraulic interlocked valve 10, install single flow electrothermal tube 17 and environment water temperature sensing detection device 15 additional, between choke valve 41 and coiled pipe 4, install additional and constitute the automatic water-supply adjusting device by stepper motor 11 and water regulating valve 13; Suitable space mounting single-chip microcomputer 21 and attaching plug 22 below shell 1 inner chamber; The operation panel that is provided with temperature indicator 18 and operation push-button 19 is installed in shell 1 panel below; Stepper motor 11 and 12, hot water water temperature sensing detection 16, environment water temperature sensing detection device 15, operation push-button 19, display 18, magnetic valve 9, main burner 5, pulse igniter 7, electrothermal tube 17 etc. are connected with single-chip microcomputer 21 by electronic circuit, and single-chip microcomputer is connected with power supply 22.Power supply 22 adopts civil power or installs additional on the mains power supply and can connect the rechargeable battery that used 24 hours.
The automatic air feed adjusting device structure that the utility model adopted as shown in Figures 2 and 3, comprise stepper motor 12 and gas control valve 14, gas control valve 14 comprises valve body 33, valve core bar 27, ventilation valve disc 30 etc., wherein valve body 33 is by two cylinders 33 ' and 33 " by screw rod 32 formation that links together; inwardly have from the face of cylinder of cylinder 33 ' " L " type passage 34 ' and with cylinder 33 " the axial passage 34 offered " corresponding, passage 34 ' and 34 " passage 34 on the synthesis valve body 33; Ventilation valve disc 30 is installed in cylinder 33 ' and 33 " between groove in, cylinder 33 ' and 33 " be provided with the O-ring seal 31 that prevents gas leakage between the phase-contact surface; Cylinder 33 ' center is provided with through hole, at cylinder 33 " center is by offering blind hole inwards with the contact-making surface of cylinder 33 '; and blind hole diameter is identical with through-hole diameter and form the centre bore of valve body 33; valve core bar 27 is installed in the centre bore of valve body 33; end of valve core bar 27 is established from shrinkage pool; the axle 35 of stepper motor 12 puts in the shrinkage pool of valve core body 27, fuses by keyway and valve core bar 27; The other end of valve core bar 27 is the threaded boss of car, and ventilation valve disc 30 is installed on the boss of valve core bar 27, and the valve disc 30 of will ventilating in the boss end thread precession nut 29 is fixed on the valve core bar 27 and can rotates with step motor shaft 35 and valve core bar 27.Be provided with the O-ring seal 28 that prevents gas leakage between the through-hole wall of cylinder 33 ' and the valve core bar 27.On the ventilation valve disc 30 with valve body 33 upper vent holes 34 corresponding circumference on by the ascending air vent φ 1-φ 8 that eight different-diameters evenly are set counterclockwise; Maximum passage φ 8 diameters are identical with the diameter of the passage 34 of valve body 33.
The structure of the automatic water-supply adjusting device that the utility model adopted as shown in Figure 4 and Figure 5, compare with automatic air feed adjusting device, just replace ventilation valve disc 30 with water flowing valve disc 36, passage 34 on the valve body 33 becomes limbers 34, all the other parts are all identical, on the water flowing valve disc 36 on the corresponding valve body 33 the circumference place at 34 places, inlet opening supply water with special-shaped curve hole slot 42 by counterclockwise being provided with from fine to coarse.
Combustion gas of the present utility model and water supply situation are as shown in Figure 6, ambient water is opened Pneumatic-hydraulic interlocked valve 10 through environment water temperature sensing detection device 15, choke valve, ambient water enters heat exchanger 3 and coiled pipe 4 through water regulating valve 13, air valve has also been opened simultaneously, combustion gas is through gas control valve 16, magnetic valve 9 is lighted main burner 5, and ambient water heats after flow out behind the hot water sensing detection device for bathing usefulness through main burner in heat exchanger.
The control circuit structure cabinet figure of the utility model single-chip microcomputer 21 as shown in Figure 7, wherein environment water temperature sensing detection device 15, hot water water temperature sensing detection device 16, operation push-button 19, temperature indicator 18 are connected with the input interface of single-chip microcomputer 21, line control machine 40 inserts display 18 circuit, and the output interface of single-chip microcomputer 21 is connected with two stepper motors 11,12 and electrothermal tube by circuit.The process of regulating water temperature automatically is shown in the program of Figure 11: the user carries out design temperature by operated key and regulates, design temperature determines that the back is by " affirmation " key, the environment temperature detector of single-chip microcomputer input carries out the temperature sampling detection provides the environment water temperature value to single-chip microcomputer, single-chip microcomputer is set this numerical value and operator by operation push-button temperature value compares and draws both differences, single-chip microcomputer is according to temperature gap, drive stepper motor 12 and rotate, the air vent φ X air feed that valve disc 30 rotation selections and the actual needs rising temperature value of its 35 driving gas control valve 14 adapts; For example when the environment water temperature was 21 ℃, if user's design temperature is 37 ℃, then actual needs heated up 16 ℃, and single-chip microcomputer drives valve disc 30 usefulness φ 2 air vent air feed according to 16 ℃ of intensification value control step motors 12.The hot water water temperature sensing detection device 16 of single-chip microcomputer input also provides hot water water temperature information to single-chip microcomputer 21 simultaneously, single-chip microcomputer 21 compares this water temperature value and setting value, if actual value is less than setting value, single-chip microcomputer 21 control step motors 11 drive valve disc 36 counter-rotatings of water regulating valve 13, allow the pore of special-shaped curve slotted eye of valve disc 36 aim at the inlet opening 34 of valve body 33, turn output down; Otherwise just change, transfer big output, until making the hot water water temperature identical with design temperature.
Single chip machine controlling circuit schematic diagram of the present utility model is shown in Fig. 8-10, J1 is the input interface of environmentally sensitive detector 15 and single-chip microcomputer 21 among the figure, J2 is the input interface of hot water temperature detector 16 and single-chip microcomputer, J3, J4 are the interfaces of stepper motor 11,12 and single-chip microcomputer, J5 is the interface of magnetic valve 9 and single-chip microcomputer, J6 is the interface of Thermal Cutoffs, J7 is the interface of a tongues of fire 6 and single-chip microcomputer, J8 is the interface of electrothermal tube and single-chip microcomputer 21, J9 is the interface of line control machine 40 and single-chip microcomputer, J10 is the interface of operation panel and single-chip microcomputer, and J11 is the hydraulic pressure sensor interface; Because being the air vents by the some different-diameters on its valve disc 30, gas control valve 14 have level to regulate a gas quantity, make it to be unlikely the centre position that is positioned at adjacent two passages (air admission hole on the valve body 33 34 will be blocked this moment and interrupt main burner 5 air feed are caused the main burner fray-out of flame) in order correctly to rotate valve disc 30, whenever valve disc 30 is got back to φ 1 lead to the hole site, single-chip microcomputer promptly gets a signal, and is that benchmark is regulated and control with this position.
The single-chip microcomputer that the utility model adopts is PIC16C74, has 4KEPROM and is used to store monitoring programme, carries reset circuit in it.
The driving of stepper motor is that the RB interface by single-chip microcomputer 21 carries out, the driving pulse of RB mouth is connected in advancing on the motor 11,12 on J3, the J4 through being added in after the power amplification, by the order of RB mouth output pulse and the rotating and the rotary speed of speed control step motor.
The J10 interface is used to connect temperature indicator 18 and the operation push-button 19 on the operation panel that is loaded on the water heater body, its circuit theory as shown in Figure 9, display 18 is made up of two LED charactrons, dynamical fashion shows.The section that single-chip microcomputer RD mouth is used for display drives Qian line RC
0, RC
1The position that is used for display after triode drives drives, simultaneously the mouth line RC of single-chip microcomputer 21
0, RC
1Associating RC
2, the RC3 retaining that also constitutes operation push-button 19 retouches output line, RC
4Be the recoil line of operation push-button 19, light emitting diode L3 is used for alert demonstration of plate of abnormality, and ALARM then is the alert device of abnormal conditions buzzing plate.
The J9 interface is used to connect line control machine 40, line control machine generally is installed in the bathroom, its panel arrangement as shown in figure 12, identical with the operation panel on this machine of water heater, be provided with temperature indicator, operation push-button has " switch " key, " affirmation " key, " ten " key, " one " key, and display adopts static the demonstration; Its circuit theory diagrams as shown in figure 10, product U1 is that decoder, U2 are that display, U3 are driver, all adopts the 74LS164 integrated package, translates operation push-button retaining by U1 and retouches signal, U2, U3 drive and show gentle leaving water temperature is set.
Figure 13 is electrothermal tube structure figure, and electrothermal tube 38 is installed in the electrothermal tube overcoat 37, and overcoat 37 is provided with binding post 39, is connected with the J8 interface of single-chip microcomputer 21 by lead, by single-chip microcomputer 21 control electrothermal tube power on/off.During the electrothermal tube energising, ambient water is preheated after electrothermal tube overcoat 37 is flowed through electrothermal tube 38.
The utility model also has the kinds of protect function: when the environment water temperature is lower than 6 ℃; single-chip microcomputer is just controlled the electrothermal tube energising; the water inlet pipe ambient water is preheated; the water temperature that environment water temperature sensing detection device records after preheating offers single-chip microcomputer; single-chip microcomputer can be reselected suitable gas supply hole φ X according to preheating the valve disc 30 that water temperature control step motor 12 drives gas control valve 14.The hot water water temperature of setting as the user is with the ambient water temperature approach during less than 8 ℃, 21 control of the single-chip microcomputer electrothermal tube 17 heating environment water of switching on, and send the gas control valve 14 air feed information that stop; Cross when low at hydraulic pressure, single-chip microcomputer 21 controls are closed gas control valve 14 in case the superheating heat exchanger of water heater damages; When outlet water temperature height to 80 ℃, for preventing to scald, single-chip microcomputer will send alarm signal and cut out gas control valve 14 simultaneously; In use, combustion gas is interrupted suddenly, or flare is when extinguishing, and single-chip microcomputer then control step motor 12 drives and cuts out gas valve 14.
Claims (5)
1, a kind of automatic fuel gas () water heater, comprise shell (1), flue (2), heat exchanger (3) thermocouple (8), magnetic valve (9), Pneumatic-hydraulic interlocked valve (10), impulse generator (20), microswitch (23), choke valve (41), ambient water water inlet pipe (26), gas inlet pipe (25), hot water outlet pipe (24), power supply (22) etc., it is characterized in that on hot water outlet pipe (24), being provided with hot water temperature's sensing detection device (16); Between gas inlet pipe (25) and magnetic valve (9), install the automatic air feed adjusting device that constitutes by stepper motor (12) and gas control valve (14) additional; Between ambient water water inlet pipe (26) and Pneumatic-hydraulic interlocked valve (10), install electrothermal tube (17) and environment water temperature sensing detection device (15) additional; Between choke valve (41) and coiled pipe (4), install the automatic water-supply adjusting device that constitutes by stepper motor (11) and water regulating valve (13) additional; At suitable space mounting single-chip microcomputer (21) in shell (1) inner chamber below and attaching plug (22), the operation panel that is provided with temperature indicator (18) and operation push-button (19) is installed in the housing face-plate below; Stepper motor (11,12), hot water water temperature sensing detection device (16), environment water temperature sensing detection device (15), operation push-button (19), display (18), magnetic valve (9), main burner (5), electrothermal tube (17) etc. are connected with single-chip microcomputer (21) by electronic circuit.
2, automatic fuel gas according to claim 1 () water heater, the gas control valve (14) that it is characterized in that automatic air feed adjusting device comprises valve body (33), valve core bar (27), ventilation valve disc (30) etc., valve body (33) is formed by connecting by screw rod (32) by two cylinders (33 ') and (33 "); the axial passage that inwardly has " L " type passage (34 ') from the face of cylinder of cylinder (33 ') and offer with cylinder (33 ") (34 ") is corresponding, the passage (34) on passage (34 ') and (34 ") synthesis valve body (33); Ventilation valve disc (30) is installed in two cylinders (33 ') and the groove between (33 ") of valve body (33), is provided with the sealing ring (31) that prevents gas leakage between cylinder (33 ') and (33 ") phase-contact surface; Cylinder (33 ') center is provided with through hole, offer blind hole with cylinder (33 ') contacts towards the lining from cylinder (33 ") center; the diameter of blind hole and through hole is identical and form the centre bore of valve body (33), and valve core bar (27) is installed in valve body (33) centre bore; One end of valve core bar (27) is established shrinkage pool, and the axle (35) of stepper motor (12) puts in the shrinkage pool of valve core bar (27), links together by keyway and valve core bar (27); The other end of valve core bar (27) is the threaded boss of car, ventilation valve disc (30) is installed on the boss of valve core bar (27), and the valve disc (30) of will ventilating in the boss end thread precession nut (29) is fixed on valve core bar (27) and goes up also and can rotate with step motor shaft (35) and valve core bar (27); Be provided with the O-ring seal (28) that prevents gas leakage between the through-hole wall of cylinder (33 ') and the valve core bar (27); By valve disc (30) go up with the corresponding circumference of valve body (33) upper vent hole (34) on by the ascending air vent φ 1～φ 8 that eight different-diameters evenly are set of counter clockwise direction; The diameter of maximum air vent φ 8 is identical with the diameter of passage (34).
3, automatic fuel gas according to claim 1 and 2 () water heater, the water regulating valve (13) that it is characterized in that the automatic water-supply adjusting device is that the water flowing valve disc (36) that changes the outfit on the boss of gas control valve (14) forms, and the circumference place that its water flowing valve disc (36) is gone up the limbers (34) of corresponding valve body (33) is provided with by from fine to coarse special-shaped curve slotted eye (42) counterclockwise.
4, automatic fuel gas according to claim 1 () water heater, it is characterized in that single-chip microcomputer (21) is the PIC16C74 type, environment water temperature sensing detection device (15), hot water water temperature sensing detection device (16), operation push-button (19), display (18), power supply (22) etc. are connected with the input interface of single-chip microcomputer respectively; Line traffic control line (40) inserts in the circuit of the display (19) on this machine of water heater, the output interface of single-chip microcomputer (21) is connected with stepper motor (11,12) electrothermal tubes (17), magnetic valve (9), main burner (5), pulse igniter (7) etc. respectively, wherein power supply (22) but be civil power or the civil power that has installed 24 hours rechargeable battery of continuous operation additional; Electrothermal tube (17) is the directly-heated type electrothermal tube.
5, automatic fuel gas according to claim 4 () water heater, it is characterized in that being installed on operation panel on this machine and the line control machine and all be provided with temperature indicator (18) and operation push-button (19), wherein operation push-button (19) has four keys, i.e. " switch " key, " affirmation " key, " ten " key, " one " key, display (19) is gone up standing temperature and is shown 37 ℃, increase by 1 ℃ by design temperature of " ten " key, reduce 1 ℃ by design temperature of " one " key, confirm by " affirmation " key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98230880 CN2357261Y (en) | 1998-06-09 | 1998-06-09 | Full-automatic gas (electricity) water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98230880 CN2357261Y (en) | 1998-06-09 | 1998-06-09 | Full-automatic gas (electricity) water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2357261Y true CN2357261Y (en) | 2000-01-05 |
Family
ID=33980399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98230880 Expired - Fee Related CN2357261Y (en) | 1998-06-09 | 1998-06-09 | Full-automatic gas (electricity) water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2357261Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101970948A (en) * | 2008-03-05 | 2011-02-09 | B.B.I.P.知识产权开发与资产管理有限责任公司 | Water heater arrangement |
| CN101446447B (en) * | 2007-11-27 | 2012-11-07 | 博西华电器（江苏）有限公司 | Electric water heater and heating method thereof |
| CN107238191A (en) * | 2016-03-28 | 2017-10-10 | 青岛经济技术开发区海尔热水器有限公司 | The control method and gas heater of a kind of gas heater |
| CN107238207A (en) * | 2016-03-28 | 2017-10-10 | 青岛经济技术开发区海尔热水器有限公司 | The control method and gas heater of a kind of gas heater |
| CN110186076A (en) * | 2019-05-21 | 2019-08-30 | 华帝股份有限公司 | Intelligent gas stove cooking control method and intelligent gas stove |
| CN110260522A (en) * | 2019-05-09 | 2019-09-20 | 中山百得厨卫有限公司 | Gas heater water outlet temperature setting method |
-
1998
- 1998-06-09 CN CN 98230880 patent/CN2357261Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446447B (en) * | 2007-11-27 | 2012-11-07 | 博西华电器（江苏）有限公司 | Electric water heater and heating method thereof |
| CN101970948A (en) * | 2008-03-05 | 2011-02-09 | B.B.I.P.知识产权开发与资产管理有限责任公司 | Water heater arrangement |
| CN101970948B (en) * | 2008-03-05 | 2013-11-06 | Bery知识产权与资产管理恢复有限责任公司 | Water heater arrangement |
| CN107238191A (en) * | 2016-03-28 | 2017-10-10 | 青岛经济技术开发区海尔热水器有限公司 | The control method and gas heater of a kind of gas heater |
| CN107238207A (en) * | 2016-03-28 | 2017-10-10 | 青岛经济技术开发区海尔热水器有限公司 | The control method and gas heater of a kind of gas heater |
| CN107238207B (en) * | 2016-03-28 | 2021-01-05 | 青岛经济技术开发区海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN110260522A (en) * | 2019-05-09 | 2019-09-20 | 中山百得厨卫有限公司 | Gas heater water outlet temperature setting method |
| CN110260522B (en) * | 2019-05-09 | 2021-04-20 | 中山百得厨卫有限公司 | Method for setting outlet water temperature of gas water heater |
| CN110186076A (en) * | 2019-05-21 | 2019-08-30 | 华帝股份有限公司 | Intelligent gas stove cooking control method and intelligent gas stove |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5531214A (en) | Gas vent and burner monitoring system | |
| US5189392A (en) | Heating system shut-off system using detector and existing safety switch or fuel valve | |
| CN201173566Y (en) | Wireless type remote balance control water heater | |
| CN2357261Y (en) | Full-automatic gas (electricity) water heater | |
| CN104976614B (en) | Multifunctional all burner | |
| CA2568406A1 (en) | Outdoor furnace monitor | |
| US20050066958A1 (en) | Water heater with mechanical damper | |
| US4424934A (en) | Hot water heating system | |
| CN2245754Y (en) | Miniature wall hanging intelligent gas heating device | |
| CN102767627A (en) | Rapid pneumatic automatically-controlled gas safety shut-off valve | |
| CN2239602Y (en) | Microcomputer control device of gas water heater | |
| CN201106931Y (en) | Boiler flameout alarming control device | |
| CN202768889U (en) | Pneumatic self-controlled fast safety shut-off valve for coal gas | |
| CN219797542U (en) | Gas water heater | |
| CN219160450U (en) | Intelligent heating device | |
| CN208781056U (en) | A kind of industrial waste gas, waste water incineration heat energy recovery control system | |
| CN2535718Y (en) | Adjustable constant-temp. gas water heater | |
| CN2255591Y (en) | Over-heat safety protector for gas water heater | |
| CN2295965Y (en) | Gas water heater with fuzzy control | |
| CN217441950U (en) | Closed hanging stove with safety arrangement | |
| RU4807U1 (en) | GAS COMBINED WATER HEATER | |
| KR102059154B1 (en) | Disinfection method of Legionella in hot water storage tank | |
| RU2116582C1 (en) | Automatic gas-fired water heater | |
| WO2023194774A1 (en) | Smart heater gadget with the capability of heating and filtering the environment's air | |
| Du Toit | Using tankless water heaters: energy efficiency & optimisation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |