CN106020293B - A kind of detecting and controlling system of shower water temperature and flow - Google Patents
A kind of detecting and controlling system of shower water temperature and flow Download PDFInfo
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- CN106020293B CN106020293B CN201610328029.1A CN201610328029A CN106020293B CN 106020293 B CN106020293 B CN 106020293B CN 201610328029 A CN201610328029 A CN 201610328029A CN 106020293 B CN106020293 B CN 106020293B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- Automation & Control Theory (AREA)
- Bathtubs, Showers, And Their Attachments (AREA)
- Control Of Temperature (AREA)
Abstract
The present invention provides the detecting and controlling system of a kind of shower water temperature and flow, belongs to Test and control field；It by temperature detecting module, flow detection module, water temperature flow-control module, touch-screen, data storage and singlechip group into；The real-time detection to bath temperature, shower water temperature, shower water flow is realized, the bath temperature collected and default shower water temperature are carried out to handle the target leaving water temperature for drawing shower；The target leaving water temperature of the actual leaving water temperature of the shower collected and shower is compared into obtain leaving water temperature deviation；The shower water flow collected is drawn into shower water flow deviation compared with default shower water flow；The leaving water temperature deviation of shower and water flow deviation are handled, draw control signal, and then control hot and cold magnetic valve that the water-carrying capacity of hot water or cold water is adjusted, the closed-loop control of the leaving water temperature and water flow of shower is realized, ensures that the leaving water temperature of shower and water flow remain at the temperature range of human comfort.
Description
Technical field
The present invention provides the detecting and controlling system of a kind of shower water temperature and flow, belongs to Detection ＆ Controling field.
Background technology
The water temperature and flow of shower are to influence two key factors of bathing experiences and usage comfort.The water temperature to take a shower at present
User is depended on substantially by feeling to be adjusted with flow control, also needs to carry out other actions during use (as wiped shower
Dew) and close water, then need that water temperature and flow is adjusted again, these situations can not only influence the comfortable of bathing
Degree, it can also cause time waste and water resource waste.
A kind of Chinese patent CN103808014A applied shower water temperature automaton：Including hot-water line and cold
Water pipe and three taps, hot water electromagnetic valve and cold water magnetic valve are separately installed with hot-water line and cold water pipe, mix outlet pipe
Water inlet be provided with thermistor, be connected to form closed loop with power supply after thermistor and variable resistor series connection, realize
The closed-loop control of shower water temperature.The present invention directly measures water temperature at cold water and hot water mixing, and the temperature of shower water is adjusted
Section is more timely, avoids because control lag damages to user.
The Chinese patent CN104930716A applied a kind of Intelligent shower system and its control method：Sensing is worked as in real time
Preceding shower environment temperature, the operation of shower environment temperature adjustment is performed according to the shower environment desired temperature to ensure the ring that takes a shower
Border temperature it is constant.Meanwhile current shower water temperature is sensed in real time, shower water temperature regulation is performed according to the shower water temperature setting value
Operate to ensure the constant of shower water temperature.The invention is adjusted by lower water temperature and bath temperature, make during bathing water temperature and
Bath temperature keeps constant, is not in common just to have gone to during bathing bathroom colder and bathroom is sultryyer after bathing shows
As improving comfort level of the human body in bathing
Having published thesis, (Wang Fang is assisted, Chen Dewei, and poplar wears the single-chip microcomputer control [J] of refined bright shower houses water temperature system, electromechanical
Technology .2012, (4)：28-31.)：The single-chip microcomputer control of shower house water temperature system, using STC89C52RC single-chip microcomputers to shower house
Valve output water temperature is controlled.User can pre-set required shower water temperature, then SCM system by with
The real-time water temperature that DS18B20 sensors collect is compared, and controls the rotating of two stepper motors to control Cold-hot water valve
The on off state of valve, approach the temperature value needed for water temperature to user, so as to solve the control problem of water temperature in shower system.
More than invention solve shower temperature automatically control problem, shower and bath temperature automatically control and monolithic
Application problem of the machine in the temperature control system that takes a shower.But shower water temperature carries out automatic adjusument, shower water temperature with bath temperature
Synergic adjustment, shower water temperature and flow with flow need to repeat still not solve the problem of setting.
The content of the invention
For problem above, the present invention devises the detecting and controlling system of water temperature and flow, only need to input expected water temperature
Corresponding temperature and flow just can be obtained with flow, it is possible to achieve water temperature and the real-time detection of flow and Collaborative Control, and can be with
The leaving water temperature of shower is adjusted according to bath temperature.In addition, the system has an automatic store function, user only need to be
Enter trip temperature and flow set during first use, directly invoked when using later.
The detecting and controlling system of the shower water temperature and flow is by temperature detecting module, flow detection module, water temperature stream
Measure control module, touch-screen, data storage and singlechip group into；Single-chip microcomputer is connected with touch-screen and data storage respectively,
The transmitted in both directions of data can be realized.
Temperature detecting module is handled the bath temperature collected and default shower water temperature, according to shower
Target leaving water temperature and default shower water temperature and bath temperature relation：(X is default shower
Leaving water temperature, Y are bath temperature, and Z is target leaving water temperature.) draw the target leaving water temperature of shower.The shower that will be collected
The actual leaving water temperature of device and target leaving water temperature compare to obtain leaving water temperature deviation.Flow detection module is real by the shower collected
Border water flow draws shower water flow deviation compared with default shower water flow.Water temperature flow-control module
Processing is carried out to temperature error signal and flow deviation signal and obtains control command, and performs control command, is realized to shower
Leaving water temperature and water flow closed-loop control.
The temperature detecting module can combine bath temperature testing result and default shower water temperature is finely adjusted,
Draw and make user more comfortably take a shower target leaving water temperature.Water temperature is gone out according to the actual leaving water temperature of the shower measured and target
The deviation of degree produces control signal.
Temperature detecting module includes cooling-water temperature sensor, bath temperature sensor, signal amplifier and A/D converter.Water temperature
Sensor measures to shower water temperature, and bath temperature sensor measures to bath temperature, cooling-water temperature sensor and
Bath temperature sensor output is connected with signal amplifier input, signal amplifier output end and A/D converter input
It is connected, A/D converter output end is connected with single-chip microcomputer input.
The flow quantity detecting system can detect the actual water flow of shower in real time, and testing result and preset flow are entered
Row relatively obtains the deviation signal for producing control command.
Flow detection module includes flow sensor, signal amplifier and A/D converter；Flow sensor goes out to shower
Water-carrying capacity measures, and the flow sensor output end is connected with signal amplifier input, signal amplifier output end with
A/D converter input is connected, and A/D converter output end is connected with single-chip microcomputer input.
The water temperature flow-control module can carry out Collaborative Control according to testing result to water temperature and flow, can be simultaneously
Shower water outlet temperature and flow are adjusted, can also only regulation shower water outlet temperature or only regulation shower water outlet flow.
Water temperature flow-control module includes cold water pipe, hot-water line, mixed conduit, magnetic valve, relay, D/A converter, cold
Water supply, hot-water supply device；Cold water pipe one end is connected with mixed conduit entrance, the other end and cold feed device phase
Even；Hot-water line one end is connected with mixed conduit entrance, and other end hot-water supply device is connected；Electromagnetism is equipped with hot and cold water pipe
Valve, the control terminal of magnetic valve are connected with relay output end, and relay input is connected with the output end of D/A converter, and D/A turns
The input single-chip microcomputer of parallel operation is connected.
A kind of described shower water temperature and the detecting and controlling system of flow, it is characterised in that there is data storage function to adjust
With function, user need to only set a shower water temperature and flow, be named and be preserved, can be with when reusing
The data are directly selected, without repeating to set shower water temperature and flow.
System work process
User sets default shower water temperature and preset flow by touch-screen or selects what is set and preserved
Data；The bath temperature signal that sensor for bath temperature collection is collected passes through with default shower water temperature signal
A/D converter on respective path is converted to data signal, inputs single-chip microcomputer together after signal amplifier amplifies and carries out data
Processing, the target water outlet of shower is obtained according to the relation of default shower water temperature, bath temperature and target leaving water temperature
Temperature；The converted device of signal that sensor for shower water temperature acquisition is collected is converted to data signal, through letter
Single-chip microcomputer is inputted together compared with target leaving water temperature signal after the amplification of number amplifier, obtains water temperature deviation signal.Meanwhile
Signal after processing is sent to touch-screen and data storage.
The shower water flow signal that flow sensor is collected is analog signal, and number is converted to through A/D converter
Word signal, single-chip microcomputer is inputted after signal amplifier amplifies compared with default shower water flow signal, obtains flow
Deviation signal；Meanwhile the signal after processing is sent to touch-screen and data storage.
Single-chip microcomputer integrated treatment temperature error signal and flow deviation signal obtain the control for controlling hot and cold magnetic valve
Signal, specific decision criteria are：Judge whether to need to water with target leaving water temperature by comparing the actual leaving water temperature of shower
Temperature is adjusted, and judges whether to need to enter flow by actual shower water flow and default shower water flow
Row regulation.Specifically include following four situation：
(1) if the actual leaving water temperature of shower goes out with target, water temperature is equal, and actual shower water flow drenches with default
Bath water flow is equal, then water temperature and flow need not be adjusted, that is, keeps the ratio of hot water or cold water's magnetic valve opening degree
Constant and hot water or cold water's magnetic valve total opening degree is constant.
(2) if the actual leaving water temperature of shower goes out with target, water temperature is equal, and actual shower water flow drenches with default
Bath water flow is unequal, then water temperature need not be adjusted, it is necessary to flow be adjusted, i.e., in holding hot water or cold water
Under conditions of the constant rate of magnetic valve opening degree, total opening degree of hot water or cold water's magnetic valve is adjusted.
(3) if to go out water temperature unequal for the actual leaving water temperature of shower and target, actual shower water flow and default
Shower water flow is equal, then needs that water temperature is adjusted, it is not necessary to flow is adjusted, that is, is keeping hot water or cold water
Under conditions of the total opening degree of magnetic valve is constant, the ratio of hot water or cold water's magnetic valve opening degree is adjusted.
(4) if to go out water temperature unequal for the actual leaving water temperature of shower and target, actual shower water flow and default
Shower water flow is unequal, then needs that water temperature and flow is adjusted simultaneously, i.e., simultaneously to hot water or cold water's magnetic valve opening
The ratio of degree and total opening degree of hot water or cold water's magnetic valve are adjusted.
The digital controlled signal of single-chip microcomputer output output is converted to analog control signal through D/A converter；Control signal
Control by the action of control relay and then control hot water or cold water's magnetic valve opening degree ratio and/or total opening degree, make leaching
The actual leaving water temperature of bath is target leaving water temperature, while makes the total flow of hot and cold water pipe be preset flow, realizes that shower goes out
The closed-loop control of coolant-temperature gage and water flow.
Difference with the prior art
(1) temperature detecting module of the detecting and controlling system of shower water temperature of the present invention and flow is by shower water outlet
Temperature detection part and bath temperature detection part composition, can detect shower water outlet temperature and bath temperature simultaneously, by pre-
The relation of the bath temperature, default shower water temperature and the shower target leaving water temperature that first set can be realized according to bathroom
Temperature is adjusted to default shower water temperature, obtains shower target leaving water temperature.By take a shower target leaving water temperature with
The deviation of the actual leaving water temperature of shower collected is controlled to shower water outlet temperature, is reached and is adjusted bathing according to bath temperature
During take a shower the purpose of actual leaving water temperature.
(2) execution of the water temperature flow-control module of the detecting and controlling system of shower water temperature of the present invention and flow
Part is the magnetic valve on hot and cold water pipe, by controlling the size of the total opening degree of magnetic valve on hot and cold water pipe to realize flow control
System, by controlling the ratio of the magnetic valve opening degree on hot and cold water pipe to realize the control of the actual leaving water temperature of shower.The water temperature
Flow-control module can be realized adjusts the constant condition of flow, shower water outlet flow under conditions of shower water outlet is temperature-resistant
Lower regulation temperature and the water flow and temperature for adjusting shower simultaneously.
(3) detecting and controlling system of shower water temperature of the present invention and flow is provided with touch-screen and data storage,
The input, storage and calling of data can be realized.User need to only set to oneself and preserve the leaving water temperature and flow of shower,
The data can be directly used during use afterwards, repeat to set shower water outlet temperature and stream when solving each use
The problem of amount.
Beneficial effect
(1) detecting and controlling system of shower water temperature of the present invention and flow can be according to bath temperature to setting
Shower water outlet temperature is finely adjusted, and is obtained target leaving water temperature, is improved usage comfort.
(2) detecting and controlling system of shower water temperature of the present invention and flow can realize to shower water outlet temperature and
The Collaborative Control of water flow, while also individually water temperature or flow can be controlled.
(3) detecting and controlling system of shower water temperature of the present invention and flow has data storage and calling function,
User by water temperature that oneself is commonly used and flow set and need to only preserve, in use afterwards can direct called data, nothing
It need to repeat to set.
Brief description of the drawings
Fig. 1 is systematic schematic diagram.
Fig. 2 is system hardware figure.
Fig. 3 is water temperature, Flow-rate adjustment decision criteria schematic flow sheet.
Embodiment
The operation principle, structure, decision criteria of the present invention are further illustrated below by embodiment:
As shown in figure 1, it is shower water temperature of the present invention and the operation principle of the detecting and controlling system of flow：It will adopt
The bath temperature collected carries out handling the target leaving water temperature for drawing shower with default shower water temperature；By what is collected
The target leaving water temperature of the actual leaving water temperature of shower and shower compares to obtain leaving water temperature deviation；The shower collected is gone out
Water-carrying capacity draws shower water flow deviation compared with default shower water flow；The leaving water temperature of shower is inclined
Difference and water flow deviation are handled, and draw control signal, and then control the opening degree of hot and cold magnetic valve to hot water or cold water's
Water-carrying capacity is adjusted, and realizes the closed-loop control of the leaving water temperature and water flow of shower, ensures the leaving water temperature of shower
Human comfort section is remained at water flow.
As shown in Fig. 2 it is shower water temperature of the present invention and the hardware chart of the detecting and controlling system of flow：Touch-screen
It is connected with single-chip microcomputer, between the two can be with bi-directional transfer of data.Data storage is connected with single-chip microcomputer, between the two can be with two-way
Transmit data.Sensor output for bath temperature detection is connected with signal amplifier input, signal amplifier output
End is connected with A/D converter input, and A/D converter output end is connected with single-chip microcomputer input, is examined for shower water outlet temperature
For the sensor of survey in addition to position, its connected mode is identical with the sensor for bath temperature detection.Flow sensor pair
Shower water flow measures, and the flow sensor output end is connected with signal amplifier input, signal amplifier
Output end is connected with A/D converter input, and A/D converter output end is connected with single-chip microcomputer input.Hot water pipe is respectively arranged with
Magnetic valve, the control terminal of magnetic valve are connected with relay output end, and relay input is connected with the output end of D/A converter,
D/A input single-chip microcomputer is connected.
As shown in figure 3, it is water temperature in the detecting and controlling system of shower water temperature of the present invention and flow, the tune of flow
Save decision criteria：Judge whether to need to adjust water temperature by comparing the actual leaving water temperature of shower and target leaving water temperature
Section, judges whether to need that flow is adjusted by actual shower water flow and default shower water flow.
Specifically include following four situation：
(1) if the actual leaving water temperature of shower goes out with target, water temperature is equal, and actual shower water flow drenches with default
Bath water flow is equal, then water temperature and flow need not be adjusted, that is, keeps the ratio of hot water or cold water's magnetic valve opening degree
It is constant, meanwhile, keep total opening degree of hot water or cold water's magnetic valve constant.
(1) if the actual leaving water temperature of shower goes out with target, water temperature is equal, and actual shower water flow drenches with default
Bath water flow is unequal, then water temperature need not be adjusted, it is necessary to flow be adjusted, i.e., in holding hot water or cold water
Under conditions of the constant rate of magnetic valve opening degree, total opening degree of hot water or cold water's magnetic valve is adjusted.
(1) if to go out water temperature unequal for the actual leaving water temperature of shower and target, actual shower water flow and default
Shower water flow is equal, then needs that water temperature is adjusted, it is not necessary to flow is adjusted, that is, is keeping hot water or cold water
Under conditions of the total opening degree of magnetic valve is constant, the ratio of hot water or cold water's magnetic valve opening degree is adjusted.
(1) if to go out water temperature unequal for the actual leaving water temperature of shower and target, actual shower water flow and default
Shower water flow is unequal, then needs that water temperature and flow is adjusted simultaneously, i.e., simultaneously to hot water or cold water's magnetic valve opening
The ratio of degree and total opening degree of hot water or cold water's magnetic valve are adjusted.
Claims (6)
1. the detecting and controlling system of the detecting and controlling system of a kind of shower water temperature and flow, the shower water temperature and flow by
Temperature detecting module, flow detection module, water temperature flow-control module, touch-screen, data storage and singlechip group into；Monolithic
Machine is connected with touch-screen and data storage respectively, it is possible to achieve the transmitted in both directions of data, it is characterised in that：Temperature detecting module
The bath temperature collected and default shower water temperature are handled, the target leaving water temperature of shower is drawn, will adopt
The actual leaving water temperature of shower and target leaving water temperature collected compares to obtain leaving water temperature deviation；Flow detection module will collect
The actual water flow of shower draw shower water flow deviation compared with default shower water flow；Will shower
The leaving water temperature deviation and water flow deviation of device are handled, and draw control signal, and then control water temperature flow-control module
Hot and cold magnetic valve opening degree ratio and/or total opening degree, the water-carrying capacity of hot water or cold water is adjusted, realizes shower
Leaving water temperature and water flow closed-loop control, ensure that the leaving water temperature of shower and water flow remain at human body and relaxed
Suitable section；Temperature detecting module is handled the bath temperature collected and default shower water temperature, according to shower
Target leaving water temperature and default shower water temperature and bath temperature relation：X is default shower
Leaving water temperature, Y are bath temperature, and Z is target leaving water temperature；Draw the target leaving water temperature of shower.
2. the detecting and controlling system of a kind of shower water temperature as claimed in claim 1 and flow, it is characterised in that：The temperature
Detection module can combine bath temperature testing result and default shower water temperature is finely adjusted, and draw and make user more
Comfortable shower target leaving water temperature, control is produced according to the actual leaving water temperature of shower and the deviation of target leaving water temperature that measure
Signal；The temperature detecting module includes cooling-water temperature sensor, bath temperature sensor, signal amplifier and A/D converter；Water temperature
Sensor measures to shower water temperature, and bath temperature sensor measures to bath temperature, cooling-water temperature sensor and
Bath temperature sensor output is connected with signal amplifier input, signal amplifier output end and A/D converter input
It is connected, A/D converter output end is connected with single-chip microcomputer input.
3. the detecting and controlling system of a kind of shower water temperature as claimed in claim 1 and flow, it is characterised in that：The flow
Detecting system can detect the actual water flow of shower in real time, and testing result and preset flow are compared to obtain for producing
The deviation signal of raw control command；Flow detection module includes flow sensor, signal amplifier and A/D converter；Flow passes
Sensor measures to shower water flow, and the flow sensor output end is connected with signal amplifier input, signal
Amplifier out is connected with A/D converter input, and A/D converter output end is connected with single-chip microcomputer input.
4. the detecting and controlling system of a kind of shower water temperature as claimed in claim 1 and flow, it is characterised in that：The water temperature
Flow-control module can carry out Collaborative Control according to testing result to water temperature and flow, can adjust shower water outlet temperature simultaneously
And flow, can also only regulation shower water outlet temperature or only regulation shower water outlet flow；Water temperature flow-control module includes cold water
Pipe, hot-water line, mixed conduit, magnetic valve, relay, D/A converter, cold feed device, hot-water supply device；Cold water pipe one
End is connected with mixed conduit entrance, and the other end is connected with cold feed device；Hot-water line one end is connected with mixed conduit entrance, separately
One end hot-water supply device is connected；Magnetic valve, the control terminal and relay output end phase of magnetic valve are equipped with hot and cold water pipe
Even, relay input is connected with the output end of D/A converter, and the input single-chip microcomputer of D/A converter is connected.
5. the detecting and controlling system of a kind of shower water temperature as claimed in claim 1 and flow, it is characterised in that：With data
Store function calling function, user need to only set a shower water temperature and flow, be named and preserved, when again
The data can be directly selected during use, without repeating to set shower water temperature and flow.
6. the detecting and controlling system of a kind of shower water temperature as claimed in claim 1 and flow, it is characterised in that：
User sets default shower water temperature and preset flow or from the data for having set and having preserved by touch-screen；
The bath temperature signal that sensor for bath temperature collection is collected is with default shower water temperature signal through respective
A/D converter on path is converted to data signal, inputs single-chip microcomputer together after signal amplifier amplifies and carries out data processing,
The target leaving water temperature of shower is obtained according to the relation of default shower water temperature, bath temperature and target leaving water temperature；
The converted device of signal that sensor for shower water temperature acquisition is collected is converted to data signal, amplifies through signal
Single-chip microcomputer is inputted together compared with target leaving water temperature signal after device amplification, obtains water temperature deviation signal, meanwhile, after processing
Signal be sent to touch-screen and data storage；
The shower water flow signal that flow sensor is collected is analog signal, and digital letter is converted to through A/D converter
Number, single-chip microcomputer is inputted after signal amplifier amplifies compared with default shower water flow signal, obtains flow deviation
Signal；Meanwhile the signal after processing is sent to touch-screen and data storage；
Single-chip microcomputer integrated treatment temperature error signal and flow deviation signal are obtained for controlling the control of hot and cold magnetic valve to believe
Number, specific decision criteria is：Judge whether to need to water temperature with target leaving water temperature by comparing the actual leaving water temperature of shower
It is adjusted, judges whether to need to carry out flow by actual shower water flow and default shower water flow
Regulation, specifically includes following four situation：
(1) if the actual leaving water temperature of shower and target go out water temperature equal, actual shower water flow and default shower
Water flow is equal, then water temperature and flow need not be adjusted, that is, keeps the constant rate of hot water or cold water's magnetic valve opening degree
It is constant with total opening degree of hot water or cold water's magnetic valve；
(2) if the actual leaving water temperature of shower and target go out water temperature equal, actual shower water flow and default shower
Water flow is unequal, then water temperature need not be adjusted, it is necessary to flow be adjusted, i.e., in holding hot water or cold water's electromagnetism
Under conditions of the constant rate of valve opening degree, total opening degree of hot water or cold water's magnetic valve is adjusted；
(3) if the actual leaving water temperature of shower goes out with target, water temperature is unequal, and actual shower water flow takes a shower with default
Device water flow is equal, then needs that water temperature is adjusted, it is not necessary to flow is adjusted, that is, is keeping hot water or cold water's electromagnetism
Under conditions of the total opening degree of valve is constant, the ratio of hot water or cold water's magnetic valve opening degree is adjusted；
(4) if the actual leaving water temperature of shower goes out with target, water temperature is unequal, and actual shower water flow takes a shower with default
Device water flow is unequal, then needs that water temperature and flow is adjusted simultaneously, i.e., simultaneously to hot water or cold water's magnetic valve opening degree
Total opening degree of ratio and hot water or cold water's magnetic valve is adjusted；
The digital controlled signal of single-chip microcomputer output output is converted to analog control signal through D/A converter；Control signal controls
By the action of control relay and then control hot water or cold water's magnetic valve opening degree ratio and/or total opening degree, make shower
Actual leaving water temperature is target leaving water temperature, while makes the total flow of hot and cold water pipe be preset flow, realizes shower water temperature
The closed-loop control of degree and water flow.
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| CN201610328029.1A CN106020293B (en) | 2016-05-17 | 2016-05-17 | A kind of detecting and controlling system of shower water temperature and flow |
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| CN201610328029.1A CN106020293B (en) | 2016-05-17 | 2016-05-17 | A kind of detecting and controlling system of shower water temperature and flow |
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| CN106020293A CN106020293A (en) | 2016-10-12 |
| CN106020293B true CN106020293B (en) | 2018-04-03 |
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| CN104819576A (en) * | 2015-05-14 | 2015-08-05 | 芜湖美的厨卫电器制造有限公司 | Water outlet temperature control method of water heater and water heater system |
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