CN202075642U - Gas water heater control circuit capable of adapting to ambient temperature - Google Patents

Gas water heater control circuit capable of adapting to ambient temperature Download PDF

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Publication number
CN202075642U
CN202075642U CN2011200472822U CN201120047282U CN202075642U CN 202075642 U CN202075642 U CN 202075642U CN 2011200472822 U CN2011200472822 U CN 2011200472822U CN 201120047282 U CN201120047282 U CN 201120047282U CN 202075642 U CN202075642 U CN 202075642U
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China
Prior art keywords
resistance
pin
driving
electric capacity
ground connection
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CN2011200472822U
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Chinese (zh)
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黄官贤
李秋瑞
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Midea Group Co Ltd
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Midea Group
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Abstract

The utility model relates to a can be to ambient temperature self-adaptation's gas heater control circuit, characteristics are: the electronic proportional valve comprises a display operation unit for inputting required temperature information, an environment temperature detection unit for detecting environment temperature, a central control system unit for respectively receiving and processing signals output by the display operation unit and the environment temperature detection unit, and a proportional valve driving circuit for receiving and processing the signals output by the central control system unit and controlling the opening of the electronic proportional valve. The beneficial effects are as follows: simple structure can the auto-induction ambient temperature, and the central control system unit can be adjusted on the default temperature that the user set for according to the ambient temperature change that ambient temperature detecting element detected, finally can reduce the frequency that the user adjusted water temperature and make the user obtain more comfortable experience in the aspect of using hot water such as shower.

Description

A kind of can be to the adaptive gas heater control circuit of environment temperature
Technical field
The utility model relates to gas heater control technology field, particularly a kind of can to environment temperature survey and can adjust coolant-temperature gage automatically can be to the adaptive gas heater control circuit of environment temperature.
Background technology
Tradition thermostatic type gas heater is by all being provided with the water temperature probe at water inlet pipe or rising pipe or at water inlet pipe and rising pipe, the aperture size that control system is relatively regulated gas ratio valve according to Inlet and outlet water temperature difference size and user's design temperature of water circuit system feedback is controlled the thermal load size, thereby realizes effluent temperature constancy.This technology can realize the temperature that the user sets in certain inflow temperature and water pressure fluctuations scope, but when variation of ambient temperature is big, human body changes to some extent to hot water temperature's impression meeting, for reaching comfortable leaving water temperature, the user needs frequently water heater to be set, and can cause certain puzzlement to the user in the case.
Summary of the invention
The purpose of this utility model is to consider the problems referred to above and provides a kind of and can environment temperature be surveyed, and setting parameter compares in can carrying out the environment temperature that detects, and carrying out the self-regulating of leaving water temperature after meeting some requirements can be to the adaptive gas heater control circuit of environment temperature.
In order to achieve the above object, the technical solution of the utility model is: its be a kind of can be to the adaptive gas heater control circuit of environment temperature, it is characterized in that: comprise the display operation unit of importing temperature required information and the environment temperature probe unit of acquisition environment temperature, receive the signal of display operation unit and environment temperature probe unit output and the central control system unit of handling respectively, the proportioning valve driving circuit of the aperture of electronics proportioning valve is handled and controlled to the signal that receives the output of central control system unit.
Described central control system unit comprises single-chip microcomputer, and its model is ATMEGA16A-AU.
Described proportioning valve driving circuit comprises first to the 7th resistance, first to the 3rd electric capacity, first diode, first triode, the non-right and wrong and voltage comparator of second triode; Wherein an end of the 6th resistance is connected with "+" input end of voltage comparator respectively with an end of the 3rd electric capacity, and the other end of the 6th resistance is electrically connected with single-chip microcomputer the 14th pin, the other end ground connection of the 3rd electric capacity; One end of second electric capacity is connected other end ground connection with "-" input end of voltage comparator; One termination power of the 4th resistance, the 5th resistance and first electric capacity, the output terminal of another termination voltage comparator of the 4th resistance, "-" input end of another termination voltage comparator of the 5th resistance, the other end ground connection of first electric capacity; The negative pole of one termination proportioning valve of first resistance and the 7th resistance, the other end ground connection of first resistance, "-" input end of another termination voltage comparator of the 7th resistance; One end of the 3rd resistance is connected with the base stage of first triode, and the other end is connected with the collector of second triode; One termination power of the emitter of first triode and second resistance, the collector of first triode connects the negative terminal of first diode, and the base stage of first triode is connected with the other end of second resistance; The base stage of second triode is connected with the output terminal of voltage comparator, the grounded emitter of second triode; The plus earth of first diode, the negative pole of first diode is connected with the positive electrical of proportioning valve.
Described display operation element circuit comprises the 8th to the 14 resistance, the 4th to the 8th electric capacity, second diode, light emitting diode, adaptively selected button, display screen and LED chip for driving, and the model of LED chip for driving is TM1623; Wherein the 4th electric capacity and a termination power after the 5th electric capacity is in parallel, other end ground connection; The 11 resistance one termination power, the other end connects single-chip microcomputer the 37th pin; The 2nd pin of the 12 resistance one termination LED chip for driving, the other end connects single-chip microcomputer the 37th pin; The 3rd pin of the 8th resistance one termination LED chip for driving, the other end connects single-chip microcomputer the 40th pin; The 4th pin of the 9th resistance one termination LED chip for driving and an end of the 6th electric capacity, the other end connects single-chip microcomputer the 41st pin; 5 pin of one termination LED chip for driving of the tenth resistance and an end of the 7th electric capacity, the other end connects 42 pin of single-chip microcomputer; The 14 resistance one end connects the 6th pin of LED chip for driving, other end ground connection; The other end ground connection of the 6th electric capacity; The other end ground connection of the 7th electric capacity, the 7th, 8,26 pins of LED chip for driving are ground connection simultaneously; The 8th electric capacity one end connects 25 pin of power supply and LED chip for driving, other end ground connection; Adaptively selected button one end connects the 6th pin of LED chip for driving, and the other end connects the negative pole of first diode; The 10th pin of display screen connects the positive pole of first diode and 15 pin of LED chip for driving respectively; The 5th pin of display screen connects the 27th pin of LED chip for driving, the negative pole of light emitting diode respectively, anodal the 18th pin that connects the LED chip for driving of light emitting diode.
Described environment temperature probe unit comprises the 15 resistance, the 16 resistance, thermistor and the 9th electric capacity; Wherein the 16 resistance is connected power supply with thermistor series connection back one end, other end ground connection, and its series connection point connects an end of the 15 resistance, and the other end of the 15 resistance connects the 34th pin of single-chip microcomputer; The 9th electric capacity one end connects the 34th pin of single-chip microcomputer, other end ground connection.
The utility model has following beneficial effect compared with prior art: simple in structure, automatically induced environment temperature, the central control system unit can adjust on the default temperature that the user sets according to the variation of ambient temperature that the environment temperature probe unit detects, and finally can reduce the user and adjust the frequency of coolant-temperature gage and make the user obtain more comfortable experience aspect the use hot water such as shower.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is a proportioning valve driving circuit and be the circuit theory diagrams of control system unit, centre among Fig. 1;
Fig. 3 is the circuit theory diagrams of display operation unit and environment temperature probe unit among Fig. 1;
Fig. 4 is a kind of application example product structure figure of the present utility model;
Fig. 5 is the synoptic diagram of the utility model guidance panel;
Fig. 6 is the enlarged drawing of the local A of Fig. 4.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment this patent is described further:
As shown in Figure 1, the utility model can be to the adaptive gas heater control circuit of environment temperature, comprise the display operation unit 3 of importing temperature required information and the environment temperature probe unit 4 of acquisition environment temperature, receive the signal of display operation unit and environment temperature probe unit output and the central control system unit of handling 2 respectively, the proportioning valve driving circuit 1 of the aperture of electronics proportioning valve is handled and controlled to the signal that receives the output of central control system unit.During work, the user feeds back to central control system unit 2 according to the leaving water temperature of self required setting by display operation unit 3, simultaneously environment temperature probe unit 4 feedback current environmental temperature signals are given central control system unit 2, and central control system unit 2 outputs signal to proportioning valve driving circuit control electronics proportioning valve aperture size after handling by the signal of the above two feedbacks then.
As shown in Figure 2, central control system unit 2 comprises single-chip microcomputer U1, and its model is ATMEGA16A-AU.Proportioning valve driving circuit 1 comprises first to the 7th resistance R 1-R7, first to the 3rd capacitor C 1-C3, the first diode D1, the first triode Q1, the second triode Q2 and voltage comparator U8B; Wherein an end of the 6th resistance R 6 is connected with "+" input end of voltage comparator U8B respectively with an end of the 3rd capacitor C 3, and the other end of the 6th resistance R 6 is electrically connected with single-chip microcomputer U1 the 14th pin, the other end ground connection of the 3rd capacitor C 3; One end of second capacitor C 2 is connected other end ground connection with "-" input end of voltage comparator U8B; One termination power+the 12V of the 4th resistance R 4, the 5th resistance R 5 and first capacitor C 1, the output terminal of another termination voltage comparator U8B of the 4th resistance R 4, "-" input end of another termination voltage comparator U8B of the 5th resistance R 5, the other end ground connection of first capacitor C 1; The negative pole BLF-of one termination proportioning valve of first resistance R 1 and the 7th resistance R 7, the other end ground connection of first resistance R 1, "-" input end of another termination voltage comparator U8B of the 7th resistance R 7; One end of the 3rd resistance R 3 is connected with the base stage of the first triode Q1, and the other end is connected with the collector of the second triode Q2; One termination power of the emitter of the first triode Q1 and second resistance R 2+24V, the collector of the first triode Q1 connects the negative terminal of the first diode D1, and the base stage of the first triode Q1 is connected with the other end of second resistance R 2; The base stage of the second triode Q2 is connected with the output terminal of voltage comparator U8B, the grounded emitter of the second triode Q2; The plus earth of the first diode D1, the negative pole of the first diode D1 is electrically connected with the anodal BLF+ of proportioning valve.
As shown in Figure 3, display operation element circuit 3 comprises the 8th to the 14 resistance R 8-R14, the 4th to the 8th capacitor C 4-C8, the second diode D2, LED 1, adaptively selected button SW1, display screen LED and LED chip for driving IC1, and the model of LED chip for driving IC1 is TM1623; Wherein the 4th capacitor C 4 and the 5th capacitor C 5 back in parallel one termination power+5V, other end ground connection; The 11 resistance R 11 1 termination powers+5V, the other end connect single-chip microcomputer U1 the 37th pin; The 2nd pin of the 12 resistance R 12 1 termination LED chip for driving IC1, the other end connects single-chip microcomputer U1 the 37th pin; The 3rd pin of the 8th resistance R 8 one termination LED chip for driving IC1, the other end connects single-chip microcomputer U1 the 40th pin; The 4th pin of the 9th resistance R 9 one termination LED chip for driving IC1 and an end of the 6th electric capacity, the other end connects single-chip microcomputer U1 the 41st pin; 5 pin of one termination LED chip for driving IC1 of the tenth resistance R 10 and an end of the 7th capacitor C 7, the other end connects 42 pin of single-chip microcomputer U1; The 14 resistance R 14 1 ends connect the 6th pin of LED chip for driving IC1, other end ground connection; The other end ground connection of the 6th capacitor C 6; The other end ground connection of the 7th capacitor C 7, the 7th, 8,26 pins of LED chip for driving IC1 are ground connection simultaneously; The 8th capacitor C 8 one ends connect 25 pin of power supply+5V and LED chip for driving IC1, other end ground connection; Adaptively selected button SW1 one end connects the 6th pin of LED chip for driving IC1, and the other end connects the negative pole of the first diode D1; The 10th pin of display screen LED connects the positive pole of the first diode D1 and 15 pin of LED chip for driving IC1 respectively; The 5th pin of display screen LED connects the 27th pin of LED chip for driving IC1, the negative pole of LED 1 respectively, LED 1 anodal the 18th pin that connects LED chip for driving IC1.Environment temperature probe unit 4 comprises the 15 resistance R the 15, the 16 resistance R 16, thermistor Rt and the 9th capacitor C 9; Wherein the 16 resistance R 16 is connected power supply+5V with thermistor Rt series connection back one end, other end ground connection, and its series connection point connects an end of the 15 resistance R 15, and the other end of the 15 resistance connects the 34th pin of single-chip microcomputer U1; The 9th capacitor C 9 one ends connect the 34th pin of single-chip microcomputer U1, other end ground connection.
During work, central control system unit 2 divides different intervals with environment temperature, and the different temperature range of each interval representative is mated different environment temperature intervals, to the default different value of design temperature.This value can be adjusted the set temperature value in each environment temperature interval according to self custom when the user uses for dispatching from the factory time acquiescence, and the value of the interval adjusted design temperature of each environment temperature can corresponding stored be remembered in the central control system unit.
When the user need select to open to the environment temperature adaptation function, then need to press adaptively selected key SW1, this moment, the 15th pin senses of LED chip for driving IC1 was pressed to adaptively selected key SW1, the 2nd pin by LED chip for driving IC1 is transferred to single-chip microcomputer U1 with this signal, after single-chip microcomputer U1 receives this signal, 15 pin transmission by LED chip for driving IC1 feeds back signal to display screen LED, 5 pin of display screen are exported the 27th pin that a low level is given LED chip for driving IC1, LED 1 is lighted, and the environment temperature adaptation function is opened.Meanwhile, single-chip microcomputer U1 is by the dividing potential drop size of thermistor Rt in the testing environment temperature probe unit circuit, judge the resistance size of thermistor, thereby learn the temperature of environment, calculate then and the electric current of proportioning valve need be adjusted to suitable numerical value, the 14th pin by single-chip microcomputer U1 outputs to correct PLF signal in the proportioning valve driving circuit 1 and goes, and the aperture of proportioning valve is adjusted to suitable size, thereby reach the adaptive function that adjusts coolant-temperature gage.
As shown in Figs. 4-6, press environment temperature adaptation function button 3, this function is opened, this moment central control system unit Auto-Sensing environment temperature, between selected environment temperature location after, temperature will be set automatically correspond to this interval preset value.The user is accustomed to hot water according to self, can directly adjust by 2 pairs of these values of intensification/cooling key, and the central control system unit can mate the adjusted temperature value that is provided with of the interval respective user of each environment temperature to be remembered and store.When ambient temperature changes, which interval is central control system unit judges environment temperature be in, automatically set temperature value is corresponded to the preset value of respective environment temperature range, this value user can adjust with the hot water demand according to self, and can memory storage.

Claims (2)

  1. One kind can be to the adaptive gas heater control circuit of environment temperature, it is characterized in that: comprise the display operation unit (3) of importing temperature required information and the environment temperature probe unit (4) of acquisition environment temperature, receive the signal of display operation unit and environment temperature probe unit output and the central control system unit of handling (2) respectively, the proportioning valve driving circuit (1) of the aperture of electronics proportioning valve is handled and controlled to the signal that receives the output of central control system unit.
  2. 2. according to claim 1ly can it is characterized in that described central control system unit (2) comprises single-chip microcomputer (U1) to the adaptive gas heater control circuit of environment temperature, its model is ATMEGA16A-AU.
    3, according to claim 1 and 2ly can it is characterized in that described proportioning valve driving circuit (1) comprises first to the 7th resistance (R1-R7), first to the 3rd electric capacity (C1-C3), first diode (D1), first triode (Q1), second triode (Q2) and voltage comparator (U8B) to the adaptive gas heater control circuit of environment temperature; Wherein an end of the 6th resistance (R6) is connected with "+" input end of voltage comparator (U8B) respectively with an end of the 3rd electric capacity (C3), the other end of the 6th resistance (R6) is electrically connected the other end ground connection of the 3rd electric capacity (C3) with single-chip microcomputer (U1) the 14th pin; One end of second electric capacity (C2) is connected other end ground connection with "-" input end of voltage comparator (U8B); One termination power+the 12V of the 4th resistance (R4), the 5th resistance (R5) and first electric capacity (C1), the output terminal of another termination voltage comparator (U8B) of the 4th resistance (R4), "-" input end of another termination voltage comparator (U8B) of the 5th resistance (R5), the other end ground connection of first electric capacity (C1); The negative pole (BLF-) of one termination proportioning valve of first resistance (R1) and the 7th resistance (R7), the other end ground connection of first resistance (R1), "-" input end of another termination voltage comparator (U8B) of the 7th resistance (R7); One end of the 3rd resistance (R3) is connected with the base stage of first triode (Q1), and the other end is connected with the collector of second triode (Q2); One termination power+the 24V of the emitter of first triode (Q1) and second resistance (R2), the collector of first triode (Q1) connects the negative terminal of first diode (D1), and the base stage of first triode (Q1) is connected with the other end of second resistance (R2); The base stage of second triode (Q2) is connected with the output terminal of voltage comparator (U8B), the grounded emitter of second triode (Q2); The plus earth of first diode (D1), the negative pole of first diode (D1) is electrically connected with the positive pole (BLF+) of proportioning valve.
    4, according to claim 1 and 2 can be to the adaptive gas heater control circuit of environment temperature, it is characterized in that described display operation element circuit (3) comprises the 8th to the 14 resistance (R8-R14), the 4th to the 8th electric capacity (C4-C8), second diode (D2), light emitting diode (LED1), adaptively selected button (SW1), display screen (LED) and LED chip for driving (IC1), the model of LED chip for driving (IC1) is TM1623; The 4th electric capacity (C4) back in parallel one termination power+5V wherein with the 5th electric capacity (C5), other end ground connection; The 11 resistance (R11) one termination power+5V, the other end connects single-chip microcomputer (U1) the 37th pin; The 2nd pin of the 12 resistance (R12) termination LED chip for driving (IC1), the other end connect single-chip microcomputer (U1) the 37th pin; The 3rd pin of the 8th resistance (R8) termination LED chip for driving (IC1), the other end connect single-chip microcomputer (U1) the 40th pin; The 4th pin of the 9th resistance (R9) termination LED chip for driving (IC1) and an end of the 6th electric capacity, the other end connect single-chip microcomputer (U1) the 41st pin; 5 pin of one termination LED chip for driving (IC1) of the tenth resistance (R10) and an end of the 7th electric capacity (C7), the other end connects 42 pin of single-chip microcomputer (U1); The 14 resistance (R14) end connects the 6th pin of LED chip for driving (IC1), other end ground connection; The other end ground connection of the 6th electric capacity (C6); The other end ground connection of the 7th electric capacity (C7), the 7th, 8,26 pins of LED chip for driving (IC1) are ground connection simultaneously; The 8th electric capacity (C8) end connects 25 pin of power supply+5V and LED chip for driving (IC1), other end ground connection; Adaptively selected button (SW1) end connects the 6th pin of LED chip for driving (IC1), and the other end connects the negative pole of first diode (D1); The 10th pin of display screen (LED) connects the positive pole of first diode (D1) and 15 pin of LED chip for driving (IC1) respectively; The 5th pin of display screen (LED) connects the 27th pin of LED chip for driving (IC1), the negative pole of light emitting diode (LED1) respectively, anodal the 18th pin that connects LED chip for driving (IC1) of light emitting diode (LED1).
    5, according to claim 1 and 2ly can it is characterized in that described environment temperature probe unit (4) comprises the 15 resistance (R15), the 16 resistance (R16), thermistor (Rt) and the 9th electric capacity (C9) to the adaptive gas heater control circuit of environment temperature; Wherein the 16 resistance (R16) is connected power supply+5V with thermistor (Rt) series connection back one end, other end ground connection, and its series connection point connects an end of the 15 resistance (R15), and the other end of the 15 resistance connects the 34th pin of single-chip microcomputer (U1); The 9th electric capacity (C9) end connects the 34th pin of single-chip microcomputer (U1), other end ground connection.
CN2011200472822U 2011-02-25 2011-02-25 Gas water heater control circuit capable of adapting to ambient temperature Expired - Lifetime CN202075642U (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104034050A (en) * 2014-07-04 2014-09-10 珠海格力电器股份有限公司 Water heater and automatic water temperature setting method and device for water heater
CN104180531A (en) * 2014-08-05 2014-12-03 芜湖美的厨卫电器制造有限公司 Electric water heater system, electric water heater, control method of electric water heater, and server
CN104390364A (en) * 2014-11-24 2015-03-04 珠海格力电器股份有限公司 Automatic temperature control method and system
CN105546834A (en) * 2016-01-22 2016-05-04 广东万家乐燃气具有限公司 Method and system for automatically adjusting outlet water set temperature of water heater
CN106052141A (en) * 2016-06-28 2016-10-26 广东美的暖通设备有限公司 Water heater, water temperature setting method of water heater and water temperature setting device of water heater
CN106091390A (en) * 2016-05-31 2016-11-09 深圳小厨科技有限公司 Water heater control system and water heater control method
CN110081607A (en) * 2019-03-28 2019-08-02 青岛经济技术开发区海尔热水器有限公司 A kind of gas heater control method, control system and gas heater
CN110108039A (en) * 2019-04-04 2019-08-09 芜湖美的厨卫电器制造有限公司 The control method and gas heater of gas 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
CN110454985A (en) * 2019-07-31 2019-11-15 华帝股份有限公司 Water outlet temperature control system and control method of gas water heater
CN111637631A (en) * 2020-05-25 2020-09-08 广东万家乐燃气具有限公司 Control method and control system for gas water heater
CN112066564A (en) * 2020-09-15 2020-12-11 重庆海尔热水器有限公司 Gas water heater and control circuit of proportional valve thereof
CN113959097A (en) * 2021-10-29 2022-01-21 深圳供电局有限公司 Method for adjusting power consumption of household water heater

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104034050A (en) * 2014-07-04 2014-09-10 珠海格力电器股份有限公司 Water heater and automatic water temperature setting method and device for water heater
CN104180531A (en) * 2014-08-05 2014-12-03 芜湖美的厨卫电器制造有限公司 Electric water heater system, electric water heater, control method of electric water heater, and server
CN104390364A (en) * 2014-11-24 2015-03-04 珠海格力电器股份有限公司 Automatic temperature control method and system
CN104390364B (en) * 2014-11-24 2017-03-08 珠海格力电器股份有限公司 A kind of temperature automatically controlled method and system
CN105546834A (en) * 2016-01-22 2016-05-04 广东万家乐燃气具有限公司 Method and system for automatically adjusting outlet water set temperature of water heater
CN106091390A (en) * 2016-05-31 2016-11-09 深圳小厨科技有限公司 Water heater control system and water heater control method
CN106052141A (en) * 2016-06-28 2016-10-26 广东美的暖通设备有限公司 Water heater, water temperature setting method of water heater and water temperature setting device of water heater
CN106052141B (en) * 2016-06-28 2019-09-03 广东美的暖通设备有限公司 Device is arranged in water heater and its water temperature setting method and water temperature
CN110081607B (en) * 2019-03-28 2021-01-19 青岛经济技术开发区海尔热水器有限公司 Control method and control system of gas water heater and gas water heater
CN110081607A (en) * 2019-03-28 2019-08-02 青岛经济技术开发区海尔热水器有限公司 A kind of gas heater control method, control system and gas heater
CN110108039A (en) * 2019-04-04 2019-08-09 芜湖美的厨卫电器制造有限公司 The control method and gas heater of gas 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
CN110454985A (en) * 2019-07-31 2019-11-15 华帝股份有限公司 Water outlet temperature control system and control method of gas water heater
CN111637631A (en) * 2020-05-25 2020-09-08 广东万家乐燃气具有限公司 Control method and control system for gas water heater
CN112066564A (en) * 2020-09-15 2020-12-11 重庆海尔热水器有限公司 Gas water heater and control circuit of proportional valve thereof
CN112066564B (en) * 2020-09-15 2022-01-18 重庆海尔热水器有限公司 Gas water heater and control circuit of proportional valve thereof
CN113959097A (en) * 2021-10-29 2022-01-21 深圳供电局有限公司 Method for adjusting power consumption of household water heater
CN113959097B (en) * 2021-10-29 2023-01-03 深圳供电局有限公司 Method for adjusting power consumption of household water heater

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