CN101275774A - Dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater - Google Patents
Dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater Download PDFInfo
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- CN101275774A CN101275774A CNA2007100909796A CN200710090979A CN101275774A CN 101275774 A CN101275774 A CN 101275774A CN A2007100909796 A CNA2007100909796 A CN A2007100909796A CN 200710090979 A CN200710090979 A CN 200710090979A CN 101275774 A CN101275774 A CN 101275774A
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Abstract
An antifreeze constant temp gas water heater with a electric proportion valve for grading automatically, wherein the electric proportion valve is configured as a single-chip (25), a valve sheet (27), a gas valve core (4), a valve seat (28), a stepping motor (16), a photohead (12), a initialize switch (13), a water exit heat meter (1), a incoming flow heat meter (3), a hall water flowmeter (6) setting temperature value for providing proportional control data to the single-chip (25); implementing automatic switch between anti flash fire and fire row, gliding steadily linear scale gas supply, and the adjusting performance with little heat load is better than that of the constant-temperature water heater of the electromagnetic proportion valve greatly. The gas water heater effects with good usage, utility, energy-saving, water-saving are further increased because the product is low cost, advanced structure and remarkable effect. The gas water heaters without constant temperature regulating heat load in little range is placed gradually.
Description
Technical field
The present invention relates to water heater, particularly constant temp gas water heater.
Background technology
Existing constant temp gas water heater is referring to Fig. 1, mainly by leaving water temperature sensor (1), divide fire tube (2), inflow temperature sensor (3), electromagnetic proportional valve (5), segmentation magnetic valve (19), Hall water ga(u)ge (6), pulse box (7), power pack (8), fire testing needle (11), blower motor (13) constitutes, and display (24) is installed and sets button (23) at the casing face.
Existing electromagnetic proportional valve constant temp gas water heater method of temperature control is: single-chip microcomputer is revised electromagnetic proportional valve (5) aperture according to setting value and measured value leaving water temperature difference to discharge, inflow temperature, the design temperature output signal control electromagnetic proportional valve (5) of sampling after computing in best aperture respectively afterwards again.Electromagnetic proportional valve (5) can timely change aperture be eliminated satisfied use of consequent leaving water temperature variation when coming discharge to fluctuate.
The intelligence segmented mode is: single-chip microcomputer is controlled segmentation magnetic valve (19) and is opened or closed setting value (being all setting values), leaving water temperature, inflow temperature, electromagnetic proportional valve (5) aperture sampling output signal after computing respectively.Come segmentation by thermic load.As in: the woods, energy rate, oriental cherry, Panasonic, ten thousand and, your top grade of Vantage, Wan Jiale, wound.
Problem 1 goes out: the spool of electromagnetic proportional valve (5) is floating type fast katal structure, and is uncontrollable to small tolerance, and causing when summer firepower can not fall any more can not constant temperature, expense gas, scalds the people and can not have a bath.
Summary of the invention
The objective of the invention is at the existing shortcoming and defect of above-mentioned existing constant temp gas water heater, and provide a kind of practicality good, the gas heater that price is low.
To achieve these goals, the present invention realizes by the following technical solutions:
Dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater comprises: leaving water temperature sensor (1), divide fire tube (2), blind plate (21), inflow temperature sensor (3), fuel gas valve core (4), magnetic valve (5), Hall water ga(u)ge (6), pulse signal (26), pulse box (7), power pack (8), heater (9), fire testing needle (11), stepping motor (16), segmentation magnetic valve (19), gear (17), gear (18), code-disc (15), photometer head (12), initialize switch (13), relay (20), set button (23), single-chip microcomputer (25), valve block (27), valve seat (28); Wherein, single-chip microcomputer (25), valve block (27), fuel gas valve core (4), valve seat (28), stepping motor (16), photometer head (12), initialize switch (13) constitutes dynamoelectric proportion valve; Leaving water temperature sensor (1) comes water temperature sensor (3), and Hall water ga(u)ge (6) set temperature value is that single-chip microcomputer (25) provides the proportion control data; Leaving water temperature sensor (1) comes water temperature sensor (3), Hall water ga(u)ge (6), and photometer head (12), initialize switch (13), motor (16) is set button (23), and relay (20) is connected with single-chip microcomputer (25); Code-disc (15) is fixed on the gear (18), and photometer head (12) light passes wherein; Gear (17) and gear (18) engagement, gear (18) is fixed on the fuel gas valve core (4); Valve block (27) is fixed on fuel gas valve core (4) lower end; When single-chip microcomputer (25) instruction fuel gas valve core (4) arrives a certain aperture, stepping motor (16) rotates, by gear (17), gear (18) makes valve block (27), and fuel gas valve core (4) is rotated, and photometer head (12) reads code-disc (15) data, when data are identical with the instruction of single-chip microcomputer (25), stepping motor (16) rotates and stops, valve block (27), and the pore on the fuel gas valve core (4) produces and the corresponding passage of code-disc (15) ratio data with valve seat (28); Under the initial state, gear (18) pushes up initialize switch (13), initialize switch (13) closure, valve block (27), fuel gas valve core (4) blocking-up gas circuit; Photometer head (12) numeration is made zero; Design temperature more than or equal to 41 ℃ of fire testing needles (11) when measuring fiery signal segmentation magnetic valve (19) open, design temperature during smaller or equal to 40 ℃ segmentation magnetic valve (19) do not open; When leaving water temperature sensor (1) or inflow temperature sensor (3) measured temperature smaller or equal to 1 ℃, single-chip microcomputer (25) commands relays (20) adhesive was heater (9) power supply; When measuring temperature more than or equal to 4 ℃, single-chip microcomputer (25) commands relays (20) disconnects, heater (9) outage.
Owing to adopt structure of the present invention, the problem spirit solves like this:
Problem 1 is improved one's methods: replace electromagnetic proportional valve (5) with dynamoelectric proportion valve, realize stable linear slide adjusting, the stable and minimizing at double of minimum air demand.
Embodiment 1: photometer head (12) reads code-disc (15) range size and valve block (27), fuel gas valve core (4) are proportionate relationship with valve seat (28) generation air flux range size.Initialize switch (13) is when initial state, and photometer head (12) counting makes zero, valve block (27), and fuel gas valve core (4) is blocked gas circuit.When single-chip microcomputer (25) instructs fuel gas valve core (4) when opening 35%, when this instruction makes photometer head (12) read code-disc (15) 35% values, make motor (16) rotate and stop, the pore on valve block (27) fuel gas valve core (4) produces and the corresponding passage of code-disc (15) 35% values with valve seat (28).Printing opacity and lighttight bar code are at interval arranged on the code-disc (15), read for photometer head (12).
Embodiment 2: do not have code-disc (15) and photometer head (12) among the embodiment 2.Step number range size that stepping motor (16) rotates and valve block (27), fuel gas valve core (4), valve seat (28) produce the air flux range size and are proportionate relationship.In initial state, initialize switch (13) makes zero the counter that memory stepping motor (16) rotates step number.Valve block (27) valve seat (28) is blocked gas circuit.When single-chip microcomputer (25) instructs valve block (27) fuel gas valve core (4) when opening 35%, single-chip microcomputer (25) directly provides the step number of stepping motor (16) rotation of corresponding aperture, stepping motor (16) is finished the stepping step number and is stopped, and valve block (27), fuel gas valve core (4) produce the corresponding passage of 35% value.
Embodiment 3: do not have code-disc (15), photometer head (12) and initialize switch (13) among the embodiment 3.Step number range size that stepping motor (16) rotates and valve block (27), fuel gas valve core (4) produce the air flux range size with valve seat (28) and are proportionate relationship.Use mechanical position limitation, gas circuit is blocked in initial state valve block (27) fuel gas valve core (4).At this moment, memory stepping motor (16) rotates the counter auto zero of step number.Single-chip microcomputer (25) mark valve block (27) fuel gas valve core (4) is for opening beginning aperture position.
Theoretical foundation: 10 liters of gas heaters, winter in the spring and autumn day cold water of having a bath is cold, and design temperature needs thermic load big more than or equal to 40 ℃.Day hot water thermal of having a bath summer, design temperature need big thermic load little smaller or equal to 39 ℃.So, the very good usefulness of result of use.
Owing to adopt technique scheme, the present invention has the following advantages and effect: dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater of the present invention, structure advanced person, effect is remarkable, gas heater is handy, practical, energy-conservation, the effect of water saving thereby further increased.
Description of drawings
Fig. 1 has electromagnetic proportional valve constant temp gas water heater structure chart now
Fig. 2 is a dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater structure chart of the present invention
Fig. 3 is a motor plate structure chart of the present invention
Fig. 4 divides fire tube segmentation magnetic valve connection layout for the present invention
Fig. 5 is circuit theory diagrams of the present invention
Fig. 6 is valve block of the present invention, tubular fuel gas valve core, valve seat cutaway view
The specific embodiment
As seen from the figure, dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater comprises: leaving water temperature sensor 1, branch fire tube 2, blind plate 21, inflow temperature sensor 3, fuel gas valve core 4, magnetic valve 5, Hall water ga(u)ge 6, pulse signal 26, pulse box 7, power pack 8, heater 9, fire testing needle 11, stepping motor 16, segmentation magnetic valve 19, gear 17, gear 18, code-disc 15, photometer head 12, initialize switch 13, relay 20, setting button 23, single-chip microcomputer 25, valve block 27, valve seat 28; Wherein, single-chip microcomputer 25, valve block 27, fuel gas valve core 4, valve seat 28, stepping motor 16, photometer head 12, initialize switch 13 constitute dynamoelectric proportion valve; Leaving water temperature sensor 1, come water temperature sensor 3, Hall water ga(u)ge 6 set temperature value to provide the proportion control data for single-chip microcomputer 25; Leaving water temperature sensor 1, come water temperature sensor 3, Hall water ga(u)ge 6, photometer head 12, initialize switch 13, motor 16, set button 23, relay 20 is connected with single-chip microcomputer 25; Code-disc 15 is fixed on the gear 18, and photometer head 12 light pass wherein; Gear 17 and gear 18 engagements, gear 18 is fixed on the fuel gas valve core 4; Valve block 27 is fixed on fuel gas valve core 4 lower ends; When single-chip microcomputer 25 instruction fuel gas valve core 4 arrive a certain aperture, stepping motor 16 rotates, by gear 17, gear 18 valve block 27, fuel gas valve core 4 are rotated, photometer head 12 reads code-disc 15 data, when data are identical with the instruction of single-chip microcomputer 25, stepping motor 16 rotates and stops, and the pore on valve block 27, the fuel gas valve core 4 produces and the corresponding passage of code-disc 15 ratio datas with valve seat 28; Under the initial state, gear 18 pushes up initialize switch 13, initialize switch 13 closures, valve block 27 blocking-up gas circuits; Photometer head 12 numerations are made zero; Segmentation magnetic valve 19 is opened when design temperature measures fiery signal more than or equal to 40 ℃ of fire testing needles 11, design temperature during smaller or equal to 39 ℃ segmentation magnetic valve 19 do not open; When leaving water temperature sensor 1 or inflow temperature sensor 3 measured temperature smaller or equal to 1 ℃, 20 adhesives of single-chip microcomputer 25 commands relays were heater 9 power supplies; When measuring temperature more than or equal to 4 ℃, single-chip microcomputer 25 commands relays 20 disconnect, heater 9 outages.
Embodiment 1:
Leaving water temperature sensor 1, inflow temperature sensor 3, Hall water ga(u)ge 6, photometer head 12, stepping motor 16, setting button 23 are connected with single-chip microcomputer 25.Single-chip microcomputer 25 is taken a sample constantly to Hall water ga(u)ge 6, inflow temperature sensor 3 set temperature value respectively.When water ga(u)ge 6 flows arrive certain value greatly, single-chip microcomputer 25 instructions: atmosphere igniting, fuel gas valve core 4 apertures 35%, stepping motor 16 rotates, open by gear 17, gear 18, valve block 27, fuel gas valve core 4, it is 35% o'clock of stroke that photometer head 12 reads code-disc 15 data, and stepping motor 16 rotates and stops, and valve block 27 fuel gas valve core 4 apertures fix on 35%; Magnetic valve 5 is opened, combustion gas is through valve seat 28, valve block 27, fuel gas valve core 4, entering branch fire tube 2 through valve seat 28 is again sprayed by nozzle, the high-voltage pulse igniting, when fire testing needle 11 measured fiery signal, single-chip microcomputer 25 sent a certain desirable aperture instruction, stepping motor 16 forward or reverse, when treating that photometer head 12 reads code-disc 15 data for certain desirable aperture instruction, stepping motor 16 rotates and stops, and fuel gas valve core 4 arrives; After discharge fluctuation, single-chip microcomputer 25 sends new desirable aperture instruction, and motor 16 forward or reverse treat that photometer head 12 reads code-disc 15 desirable aperture data, and stepping motor 16 rotates and stops, and fuel gas valve core 4 arrives; To advance an instruction for the adjusting deviation single-chip microcomputer 25 that occurs and send new desirable aperture instruction correction valve position position.
When water ga(u)ge 6 flows little when the certain value, single-chip microcomputer 25 instructions, magnetic valve 5 cuts out, valve block 27 fuel gas valve core 4 are closed and got back to 0%: stepping motor 16 rotates, when gear 18 pushes up initialize switch 13, initialize switch 13 closures, stepping motor 16 rotates and stops, photometer head 12 countings make zero, and valve block 27 fuel gas valve core 4 move gas circuit and turn-off.Treat that start next time.
Single-chip microcomputer 25 is connected with fire testing needle 11, segmentation magnetic valve 19, setting button 23 respectively.Segmentation magnetic valve 19 is opened when design temperature measures fiery signal more than or equal to 40 ℃ of fire testing needles 11, and combustion gas enters its ember row through segmentation magnetic valve 19 and constitutes full fire row ventilation burning; Design temperature is during smaller or equal to 39 ℃, and segmentation magnetic valve 19 is not opened, blind plate 21 blocking-up combustion gas, only part fire row ventilation burning.Fuel gas valve core 4 provides minimum air demand by 50% fiery row's work.
When water heater rises number greater than 10 liters, use two segmentation magnetic valves that the branch fire tube is divided into three sections and be more conducive to use, at this moment, set temperature value is done following arrangement: when design temperature during smaller or equal to 38 ℃ segmentation magnetic valve 19 do not open, 40% fire row ventilation burning is arranged; When design temperature more than or equal to 39 ℃ during smaller or equal to 40 ℃, fire testing needle 11 allows segmentation magnetic valve 19 open when measuring fiery signal, and 80% fire row ventilation burning is arranged; When design temperature during, allow the second segmentation magnetic valve open, all fire row ventilation burnings more than or equal to 41 ℃.Fuel gas valve core 4 provides minimum air demand by 40% fire row, 70% fire row, 100% fiery row's work.
Single-chip microcomputer 25 is connected with leaving water temperature sensor 1 inflow temperature sensor 3 relays 20 respectively.When measuring temperature smaller or equal to 1 ℃, 20 adhesives of single-chip microcomputer 25 commands relays are heater 9 power supplies; When measuring temperature more than or equal to 4 ℃, single-chip microcomputer 25 commands relays 20 disconnect, heater 9 outages.
Embodiment 2:
Embodiment 3:
Claims (10)
1. a dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater comprises: leaving water temperature sensor (1), branch fire tube (2), blind plate (21), inflow temperature sensor (3), fuel gas valve core (4), magnetic valve (5), Hall water ga(u)ge (6), pulse signal (26), pulse box (7), power pack (8), heater (9), fire testing needle (11), stepping motor (16), segmentation magnetic valve (19), gear (17), gear (18), code-disc (15), photometer head (12), initialize switch (13), relay (20) is set button (23), single-chip microcomputer (25), valve block (27), valve seat (28); It is characterized in that: single-chip microcomputer (25), valve block (27), fuel gas valve core (4), valve seat (28), stepping motor (16), photometer head (12), initialize switch (13) constitutes dynamoelectric proportion valve; Leaving water temperature sensor (1) comes water temperature sensor (3), and Hall water ga(u)ge (6) set temperature value is that single-chip microcomputer (25) provides the proportion control data; Leaving water temperature sensor (1) comes water temperature sensor (3), Hall water ga(u)ge (6), and photometer head (12), initialize switch (13), motor (16) is set button (23), and relay (20) is connected with single-chip microcomputer (25); Code-disc (15) is fixed on the gear (18), and photometer head (12) light passes wherein; Gear (17) and gear (18) engagement, gear (18) is fixed on the fuel gas valve core (4); Valve block (27) is fixed on fuel gas valve core (4) lower end; When single-chip microcomputer (25) instruction fuel gas valve core (4) arrives a certain aperture, stepping motor (16) rotates, by gear (17), gear (18) makes valve block (27), and fuel gas valve core (4) is rotated, and photometer head (12) reads code-disc (15) data, when data are identical with the instruction of single-chip microcomputer (25), stepping motor (16) rotates and stops, valve block (27), and the pore on the fuel gas valve core (4) produces and the corresponding passage of code-disc (15) ratio data with valve seat (28); Under the initial state, gear (18) pushes up initialize switch (13), initialize switch (13) closure, valve block (27), fuel gas valve core (4) blocking-up gas circuit; Photometer head (12) numeration is made zero; Design temperature more than or equal to 40 ℃ of fire testing needles (11) when measuring fiery signal segmentation magnetic valve (19) open, design temperature during smaller or equal to 39 ℃ segmentation magnetic valve (19) do not open; When leaving water temperature sensor (1) or inflow temperature sensor (3) measured temperature smaller or equal to 1 ℃, single-chip microcomputer (25) commands relays (20) adhesive was heater (9) power supply; When measuring temperature more than or equal to 4 ℃, single-chip microcomputer (25) commands relays (20) disconnects, heater (9) outage.
2. according to claims 1 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater, it is characterized in that: control relay (20) closed with the temperature sensor that disconnects with shared one of leaving water temperature sensor (1) or inflow temperature sensor (3).
3. according to claims 1 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater, it is characterized in that: at design temperature more than or equal to 41 ℃ of fire testing needles (11) when measuring fiery signal, segmentation magnetic valve (19) is opened, design temperature during smaller or equal to 40 ℃ segmentation magnetic valve (19) do not open; Or at design temperature during more than or equal to 40 ℃, when fire testing needle (11) when measuring fiery signal segmentation magnetic valve (19) open, design temperature is during smaller or equal to 39 ℃, segmentation magnetic valve (19) is not opened; Or at design temperature during more than or equal to 39 ℃, when fire testing needle (11) when measuring fiery signal segmentation magnetic valve (19) open, design temperature is during smaller or equal to 38 ℃, segmentation magnetic valve (19) is not opened; This segmental structure is applicable to that other type has the constant temp gas water heater of setting button (23).
4. according to claims 1 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater, it is characterized in that: initialize switch (13) is contact type or photoelectric type.
5. according to claims 1 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater, it is characterized in that: photometer head (12) reads code-disc (15) range size and valve block (27) fuel gas valve core (4) valve seat (28) generation air flux range size is proportionate relationship.
6. according to claims 1 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater, it is characterized in that: in initial state, initialize switch (13) makes zero the counter that memory stepping motor (16) rotates step number, valve block (27) fuel gas valve core (4) blocking-up gas circuit.
7. according to claims 1 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater, it is characterized in that: in the initial state position, memory stepping motor (16) rotates the counter auto zero of step number, valve block (27) fuel gas valve core (4) blocking-up gas circuit.
8. according to claims 6 or 7 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heaters, it is characterized in that: step number range size that stepping motor (16) rotates and valve block (27) fuel gas valve core (4) valve seat (28) produce the air flux range size and are proportionate relationship.
9. according to claims 1 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater, it is characterized in that: when water ga(u)ge (6) flow arrives certain value greatly, motor (16) is advanced in single-chip microcomputer (25) instruction, makes valve block (27), the igniting of fuel gas valve core (4) aperture 40% ± 30% atmosphere.
10. according to claims 1 described dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater, it is characterized in that: when water ga(u)ge (6) flow is little when the certain value, single-chip microcomputer (25) instruction step motor (16) is got back to fuel gas valve core (4) and is opened the beginning position.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100909796A CN101275774A (en) | 2007-03-30 | 2007-03-30 | Dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100909796A CN101275774A (en) | 2007-03-30 | 2007-03-30 | Dynamoelectric proportion valve automatic subsection antifreeze constant temp gas water heater |
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| CN101275774A true CN101275774A (en) | 2008-10-01 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103090536A (en) * | 2011-11-03 | 2013-05-08 | 珠海格力电器股份有限公司 | Heat pump water heater system, and method and device for controlling same |
| CN107401829A (en) * | 2017-08-27 | 2017-11-28 | 银川艾尼工业科技开发股份有限公司 | A kind of low nitrogen wall-hung condensing gas furnace of sectional type water cooled |
| CN109237798A (en) * | 2018-08-08 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of control method and gas combustion apparatus of gas combustion apparatus |
| CN110780591A (en) * | 2018-07-27 | 2020-02-11 | 阿自倍尓株式会社 | Regulating instrument |
| CN110836538A (en) * | 2019-10-18 | 2020-02-25 | 华帝股份有限公司 | Load test method of gas water heater |
| CN111457599A (en) * | 2019-01-21 | 2020-07-28 | 宁波方太厨具有限公司 | Heating control method of gas water heater |
| CN111811133A (en) * | 2020-06-01 | 2020-10-23 | 威能(无锡)供热设备有限公司 | Gas water heating equipment |
| CN111854172A (en) * | 2019-04-30 | 2020-10-30 | 华帝股份有限公司 | Gas water heater and load control method thereof |
| CN111948941A (en) * | 2020-07-10 | 2020-11-17 | 深圳拓邦股份有限公司 | Method and system for acquiring control model of gas water heater and control computer |
| CN111947297A (en) * | 2020-08-17 | 2020-11-17 | 珠海格力电器股份有限公司 | Gas water heater, control method and device of gas water heater and storage medium |
| CN112128989A (en) * | 2020-08-31 | 2020-12-25 | 华帝股份有限公司 | Water heater noise self-adaptive control method and water heater |
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- 2007-03-30 CN CNA2007100909796A patent/CN101275774A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103090536A (en) * | 2011-11-03 | 2013-05-08 | 珠海格力电器股份有限公司 | Heat pump water heater system, and method and device for controlling same |
| CN103090536B (en) * | 2011-11-03 | 2015-07-08 | 珠海格力电器股份有限公司 | Heat pump water heater system, and method and device for controlling same |
| CN107401829A (en) * | 2017-08-27 | 2017-11-28 | 银川艾尼工业科技开发股份有限公司 | A kind of low nitrogen wall-hung condensing gas furnace of sectional type water cooled |
| CN110780591A (en) * | 2018-07-27 | 2020-02-11 | 阿自倍尓株式会社 | Regulating instrument |
| CN110780591B (en) * | 2018-07-27 | 2023-08-11 | 阿自倍尓株式会社 | Adjusting instrument |
| CN109237798A (en) * | 2018-08-08 | 2019-01-18 | 珠海格力电器股份有限公司 | A kind of control method and gas combustion apparatus of gas combustion apparatus |
| CN111457599A (en) * | 2019-01-21 | 2020-07-28 | 宁波方太厨具有限公司 | Heating control method of gas water heater |
| CN111457599B (en) * | 2019-01-21 | 2021-06-15 | 宁波方太厨具有限公司 | Heating control method of gas water heater |
| CN111854172A (en) * | 2019-04-30 | 2020-10-30 | 华帝股份有限公司 | Gas water heater and load control method thereof |
| CN110836538A (en) * | 2019-10-18 | 2020-02-25 | 华帝股份有限公司 | Load test method of gas water heater |
| CN111811133A (en) * | 2020-06-01 | 2020-10-23 | 威能(无锡)供热设备有限公司 | Gas water heating equipment |
| CN111948941A (en) * | 2020-07-10 | 2020-11-17 | 深圳拓邦股份有限公司 | Method and system for acquiring control model of gas water heater and control computer |
| CN111948941B (en) * | 2020-07-10 | 2022-09-30 | 深圳拓邦股份有限公司 | Method and system for acquiring control model of gas water heater and control computer |
| CN111947297A (en) * | 2020-08-17 | 2020-11-17 | 珠海格力电器股份有限公司 | Gas water heater, control method and device of gas water heater and storage medium |
| CN112128989A (en) * | 2020-08-31 | 2020-12-25 | 华帝股份有限公司 | Water heater noise self-adaptive control method and water heater |
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Application publication date: 20081001 |