CN104764188B - Water heater and its method for heating and controlling - Google Patents
Water heater and its method for heating and controlling Download PDFInfo
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- CN104764188B CN104764188B CN201510149877.1A CN201510149877A CN104764188B CN 104764188 B CN104764188 B CN 104764188B CN 201510149877 A CN201510149877 A CN 201510149877A CN 104764188 B CN104764188 B CN 104764188B
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Abstract
The invention discloses a kind of water heater and its method for heating and controlling, the water heater includes inner bag, heater, mode selector switch, the first monitoring device and electrically-controlled component, when the mode selector switch switches to water outlet power-down mode, and first detection means detect that the water outlet pipe part when channel status, disconnects the power supply of the heater；Pass through above-mentioned water heater, it can meet in non-use water state, pass through water temperature value in default inner bag, and inner bag water temperature is detected by the second monitoring device, so as to which electrically-controlled component controls being switched on or switched off for the power supply of heater, realize that the water temperature in water heater keeps constant, facilitate user when needing to use water, rapidly obtain the hot water of preset temperature；And water heater can be met when with water state, electrically-controlled component disconnects the power supply of heater immediately, the security incident caused by electric leakage when saving power consumption of the user in water utilizing process, and preventing from using water.
Description
Technical field
The present invention relates to household appliance technical field, more particularly to a kind of water heater and its method for heating and controlling.
Background technology
Existing storage-type electric water heater heater is arranged in inner bag, and user needs first to connect heater power source before the use
Heat the water to the temperature of setting；Discharge water in use, after water temperature drop certain value, heater can turn on automatically power supply.Due to
Discharging water during use, the water temperature rapid decrease of water heater causes heater power source to connect, but in this heating process, can not
Increase hot water amount for user, so as to consume more electric energy；Meanwhile heater, once leaking electricity, there will be security risk.
The content of the invention
It is a primary object of the present invention to provide a kind of water heater, it is intended to reduce the power consumption heated during water heater state
Amount.
To achieve the above object, the present invention provides a kind of water heater, and it includes inner bag, for water storage；Heater, for adding
Water in the heat inner bag；Mode selector switch, for by the heating mode of the water heater water outlet power-down mode with it is common
Switched between pattern；First monitoring device, for detecting the break-make of outlet pipe；Electrically-controlled component, for being cut when the pattern
When changing switch and switching to water outlet power-down mode, and the water outlet pipe part disconnects the power supply of the heater when channel status.
Preferably, the water heater also includes：
Second monitoring device, for detecting the water temperature in inner bag；The electrically-controlled component is additionally operable to when mode selector switch is cut
When shifting to water outlet power-down mode, when water outlet pipe part is less than preset temperature value in the water temperature in off state and inner bag, institute is connected
State the power supply of heater；When the water temperature in inner bag reaches preset temperature value, the power supply of the heater is disconnected.
Preferably, the electrically-controlled component is additionally operable to when mode selector switch switches to general mode, when the water in inner bag
When temperature is less than preset temperature value, the power supply of the heater is connected；When the water temperature in inner bag reaches preset temperature value, institute is disconnected
State the power supply of heater.
Preferably, the electrically-controlled component includes detection transmission circuit, microprocessor and relay unit, the detection transmission
The input of circuit is connected with the output end of the first monitoring device and the output end of the second monitoring device respectively, the detection transmission
The output end of circuit is connected with the input of the microprocessor, and the relay unit is being arranged at the heater power source just
On pole and negative pole, the control terminal of the relay unit is connected with the output end of the microprocessor；The detection transmission circuit
The water temperature value of the on off operating mode of the outlet pipe of first monitoring device detection, the inner bag of the second monitoring device detection is converted into
Corresponding electrical parameter, it is transferred to the microprocessor and is handled, the microprocessor sends control signal according to result
To relay unit, the relay unit controls being switched on or switched off for the power supply of the heater according to control signal.
Preferably, the scope of the preset temperature value is 30 DEG C to 80 DEG C.
In addition, to achieve the above object, the present invention also provides a kind of control method of water heater, and this method includes following step
Suddenly：The heating mode switching signal that reception pattern switching switch is sent；
When the water heater is under water outlet power-down mode, the break-make of outlet pipe is detected by the first monitoring device；
When water outlet pipe part is in channel status, the power supply of heater is disconnected.
Preferably, it is described when the water heater is under water outlet power-down mode, outlet pipe is detected by the first monitoring device
Break-make the step of after also include：
When water outlet pipe part is in off state, by the water temperature in the second monitoring device detection water heater liner；
When the water temperature in inner bag is less than preset temperature value, the power supply of the heater is connected；When the water temperature in inner bag reaches
During to preset temperature value, the power supply of the heater is disconnected.
Preferably, also include after the step of heating mode switching signal that the reception pattern switching switch is sent：
When the water heater is under general mode, by the water temperature in the second monitoring device detection water heater liner；
When the water temperature in inner bag is less than preset temperature value, the power supply of the heater is connected；When the water temperature in inner bag reaches
During to preset temperature value, the power supply of the heater is disconnected.
Preferably, the step of power supply of the power supply for connecting the heater or the disconnection heater specifically includes：
The on off operating mode for the outlet pipe for being detected first monitoring device by detection transmission circuit, the inspection of the second monitoring device
The water temperature value of the inner bag of survey is converted into corresponding electrical parameter, is transferred to microprocessor and is handled, and the microprocessor is according to place
Reason result sends control signal to relay unit, the relay unit and the power supply of the heater is controlled according to control signal
Be switched on or switched off.
Preferably, the scope of the preset temperature value is 30 DEG C to 80 DEG C.
A kind of water heater and its method for heating and controlling provided by the present invention, can meet that water heater uses water state non-
When, by water temperature value in default inner bag, and inner bag water temperature is detected by the second monitoring device, so as to electrically-controlled component control heater
Power supply be switched on or switched off, realize that the water temperature in water heater keeps constant, facilitate the user rapidly to be obtained when needing to use water
The hot water of preset temperature；And water heater can be met when with water state, electrically-controlled component disconnects the power supply of heater immediately, saves
Power consumption of the user in water utilizing process, and the security incident caused by electric leakage when preventing from using water.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the water heater of the present invention；
Fig. 2 is the high-level schematic functional block diagram of the electrically-controlled component of water heater of the present invention；
Fig. 3 is the schematic flow sheet of the method for heating and controlling first embodiment of water heater of the present invention；.
Fig. 4 is the schematic flow sheet of the method for heating and controlling second embodiment of water heater of the present invention；
Fig. 5 is the schematic flow sheet of the method for heating and controlling 3rd embodiment of water heater of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of water heater.
Reference picture 1, Fig. 1 are the structural representation of an embodiment of the water heater of the present invention；In the present embodiment, the hot water
Device is storage-type electric water heater, and it includes inner bag, the heater being placed in inside inner bag, and the water stored in inner bag is injected by water inlet pipe,
By outlet pipe outflow for users to use, the water being stored in inner bag is heated by heater.The water heater can pass through mould
Formula switching switch switches over to the heating mode of water heater, and in the present embodiment, the heating mode of the heater includes two kinds：
Water outlet power-down mode and general mode.Specifically, the mode selector switch can be realized in the form of Cao Zuoanjian, when pressing this
During Cao Zuoanjian, the water heater is in water outlet power-down mode, when pressing the Cao Zuoanjian again, the heating mode of the water heater
General mode will be switched to.
The water heater also includes the power supply for being used to detect the first monitoring device of the break-make of outlet pipe and controlling heater
The electrically-controlled component of break-make, when the mode selector switch switches to water outlet power-down mode, now, if the first monitoring device detects
For water outlet pipe part when channel status, when hot water device is outwards discharged water by outlet pipe, then electrically-controlled component disconnects heater immediately
Power supply.
The on off operating mode of outlet pipe is detected by the first monitoring device, and when outlet pipeline is in path, disconnects and adding
The power supply of hot device, power consumption of the user in water utilizing process can be saved, and peace of the user in water utilizing process can also be improved
Quan Xing, the security incident caused by electric leakage when preventing from using water.
Further, the water heater also includes being used for the second monitoring device for detecting the water temperature in inner bag, works as pattern switching
Switch switches to water outlet power-down mode, now, if the first monitoring device detects water outlet pipe part when off state, hot water device
Outwards do not supply water, water state is used in non-, then by the water temperature in the second monitoring device detection inner bag, when the second monitoring device detects
When the water temperature arrived is less than preset temperature value, then the power on of electrically-controlled component control heater, heater in inner bag to storing
Water is heated, and when the water temperature heating in inner bag to preset temperature value, then the power supply of electrically-controlled component control heater breaks
Open, heater stops heating the water stored in inner bag.
In the present embodiment, first monitoring device is detected with the preferably corresponding sensor of the second monitoring device.
By above-mentioned water heater, it can meet that water heater in non-use water state, by water temperature value in default inner bag, and leads to
The second monitoring device detection inner bag water temperature is crossed, so as to which electrically-controlled component controls being switched on or switched off for the power supply of heater, realizes hot water
Water temperature in device keeps constant, facilitates user when needing to use water, rapidly obtains the hot water of preset temperature；And heat can be met
For hydrophone when with water state, electrically-controlled component disconnects the power supply of heater immediately, saves power consumption of the user in water utilizing process, and
The security incident caused by electric leakage when preventing from using water.
Further, the mode selector switch of the water heater also can switch to general mode, when mode selector switch switches
During to general mode, now, the first monitoring device will not work, it is only necessary to the water storage in the second monitoring module monitors water heater liner
Temperature.When the water temperature that the second monitoring device detects is less than preset temperature value, then electrically-controlled component controls heater
Power on, heater heat to the water stored in inner bag, and when the water temperature heating in inner bag to preset temperature value,
Then the power supply of electrically-controlled component control heater disconnects, and heater stops heating the water stored in inner bag.
Specifically, reference picture 2, Fig. 2 are the high-level schematic functional block diagram of the electrically-controlled component of water heater of the present invention；In the present embodiment
In, the electrically-controlled component includes detection transmission circuit, microprocessor and relay unit, the input point of the detection transmission circuit
Be not connected with the output end of the first monitoring device and the output end of the second monitoring device, it is described detection transmission circuit output end with
The input connection of the microprocessor, the relay unit are arranged on the positive pole and negative pole of the heater power source, institute
The control terminal for stating relay unit is connected with the output end of the microprocessor；The detection transmission circuit monitors described first
The on off operating mode of the outlet pipe of device detection, the water temperature value of the inner bag of the second monitoring device detection are converted into corresponding electrical parameter,
The microprocessor is transferred to be handled, the microprocessor sends control signal to relay unit according to result,
The relay unit controls being switched on or switched off for the power supply of the heater according to control signal.
First monitoring device monitors the on off operating mode of outlet pipe, and the monitoring of the second monitoring device is detected in water heater liner
The real-time temperature values of water storage, the real-time water temperature value of the on off operating mode of outlet pipe and inner bag is converted after transmission circuit by detecting
For corresponding electrical parameter, such as magnitude of voltage or resistance value etc., by detection transmission circuit by real-time outlet pipe on off operating mode and
Electrical parameter corresponding to the real-time water temperature value of inner bag is transferred to microprocessor, and microprocessor internal is carried out at corresponding analysis calculating
Reason, the result calculated according to internal analysis send corresponding control signal to relay unit, and the coil of control relay obtains electric
Or the switch adhesive or disconnection of dead electricity, then control relay.Because relay is to be connected to the power supply of heater just
On pole and negative pole, so as to realize the control whether to work heater.
Further, the preset temperature value of the water heater can arbitrarily be set in 30 DEG C to 80 DEG C according to the actual requirements；By
It is different to the temperature requirements of hot water in the demand of the temperature of each season hot water and each user, therefore, can be in water heater
Guidance panel on manually preset the temperature of the second monitoring module monitors, promote the water temperature in water heater constant default
Value.
The present invention also provides a kind of method for heating and controlling of water heater, reference picture 3, and Fig. 3 is the heating of water heater of the present invention
The schematic flow sheet of the first embodiment of control method；In the present embodiment, the method for heating and controlling of the water heater includes following
Step：
Step S100, the heating mode switching signal that reception pattern switching switch is sent；
Specifically, the mode selector switch can specifically switch between water outlet power-down mode and general mode.The mould
Formula switching switch can be realized in the form of Cao Zuoanjian, and when pressing the Cao Zuoanjian, the water heater is in water outlet power-off mould
Formula, when pressing the Cao Zuoanjian again, the heating mode of the water heater will switch to general mode.
Step S200, when the water heater is under water outlet power-down mode, outlet pipe is detected by the first monitoring device
Break-make；
First monitoring device can use corresponding sensor to realize that first monitoring device can be by the on off operating mode of outlet pipe
Change detection, and be transferred to detection transmission circuit in real time, transmission circuit is converted into corresponding voltage after testing or resistance variations are believed
Number, microprocessor processes are transferred to, microprocessor internal analysis calculates, and can determine whether correspondingly according to voltage or resistance variations signal
Water outlet pipe part is in channel status or off state, so as to which microprocessor sends corresponding control according to the on off operating mode of outlet pipe
Signal to relay unit, relay unit is connected on the positive pole and negative pole of heater power source, for controlling heater electric
The connecting and disconnecting in source.
Step S300, when water outlet pipe part is in channel status, disconnect the power supply of heater.
When the first monitoring device detects water outlet pipe part in channel status, i.e., now water heater is in and uses water state, then
The channel status detected in real time is transferred to detection transmission circuit by the first monitoring device, and detection transmission circuit turns the channel status
Corresponding electrical parameter is turned to, and is transferred to microprocessor and is handled, after microprocessor analysis calculates, sends disconnection relay unit
Control signal to relay unit, the control coil dead electricity of relay unit, switching off so as to which it is internal, then heating
Device power supply disconnects, and realizes that water outlet of water heater powers off, and improves security of user when using water heater, and save using water heater
When electricity.
Further, reference picture 4, Fig. 4 are the flow signal of the method for heating and controlling second embodiment of water heater of the present invention
Figure；Based on above-described embodiment, also include after step S200：
Step S400, when water outlet pipe part is in off state, by the water temperature in the second monitoring device detection water heater liner；
When the first monitoring device detects water outlet pipe part in channel status, i.e., now water heater is in non-and uses water state,
Then also corresponding sensor can be used to realize by the water temperature in the second monitoring device detection water heater liner, the second monitoring device,
For example temperature sensor, second monitoring device can be sampled the real-time water temperature in inner bag, and it is transferred to detection transmission electricity
Road, after testing transmission circuit be converted into corresponding voltage or resistance variations signal, be transferred to microprocessor processes, microprocessor will
The electric signal of reception is compared with the preset value of inside, you can judges that the water temperature now in inner bag is above preset value still
Less than preset value, so as to microprocessor according to corresponding to being sent comparative result control signal to relay unit, the relay list
Member is connected on the positive pole and negative pole of heater power source, for controlling the connecting and disconnecting of heater power source.
Step S500, when the water temperature in inner bag is less than preset temperature value, connect the power supply of the heater；When in inner bag
Water temperature when reaching preset temperature value, disconnect the power supply of the heater.
When the second monitoring device is detected in real time to the water temperature in inner bag, and by the water temperature value that this is detected in real time to detecting
Transmission circuit, the water temperature value is converted into corresponding electrical parameter by detection transmission circuit, and is transferred to microprocessor and is handled, micro-
Processing it is internal relatively after, when judging that water temperature be less than preset temperature value, then send the control signal of connection relay unit to relay
Device unit, the control coil of relay unit obtain electric, and so as to its internal switch connection, then heater power source is connected, heating
Device heats to the water storage in inner bag；When microprocessor judges that real-time water temperature value reaches preset temperature value, then disconnection is sent
The control signal of relay unit is to relay unit, the control coil dead electricity of relay unit, so that its internal switch breaks
Open, then heater power source disconnects, and heater stops heating the water storage in inner bag.By the above method, hot water is realized
Device it is non-with water state when water temperature keep it is constant, facilitate user when needing use water, rapidly acquisition preset temperature hot water.
Further, reference picture 5, Fig. 5 are the flow signal of the method for heating and controlling 3rd embodiment of water heater of the present invention
Figure；Based on above-described embodiment, also include after step sloo：
Step S600, when the water heater is under general mode, by the second monitoring device detection water heater liner
Water temperature；
When the heating mode of water heater is switched to general mode by mode selector switch, then the first monitoring device is in this mould
Do not work under formula, the water temperature in inner bag is detected in real time by the second monitoring device, second monitoring device is by real-time sampling
Water temperature value be transferred to detection transmission circuit, transmission circuit is converted into corresponding voltage or resistance variations signal after testing, transmit
To microprocessor processes, microprocessor is by the electric signal of reception compared with the preset value of inside, you can judges now interior
Water temperature in courage is above preset value again below preset value.
Step S700, when the water temperature in inner bag is less than preset temperature value, connect the power supply of the heater；When in inner bag
Water temperature when reaching preset temperature value, disconnect the power supply of the heater.
When the second monitoring device is detected in real time to the water temperature in inner bag, and by the water temperature value that this is detected in real time to detecting
Transmission circuit, the water temperature value is converted into corresponding electrical parameter by detection transmission circuit, and is transferred to microprocessor and is handled, micro-
Processing it is internal relatively after, when judging that water temperature be less than preset temperature value, then send the control signal of connection relay unit to relay
Device unit, the control coil of relay unit obtain electric, and so as to its internal switch connection, then heater power source is connected, heating
Device heats to the water storage in inner bag；When microprocessor judges that real-time water temperature value reaches preset temperature value, then disconnection is sent
The control signal of relay unit is to relay unit, the control coil dead electricity of relay unit, so that its internal switch breaks
Open, then heater power source disconnects, and heater stops heating the water storage in inner bag.By the above method, hot water is realized
The water temperature of device keeps constant, facilitates user when needing to use water, rapidly obtains the hot water of preset temperature.
Further, the step of power supply of the power supply for connecting the heater or the disconnection heater specifically wraps
Include：
The on off operating mode for the outlet pipe for being detected first monitoring device by detection transmission circuit, the inspection of the second monitoring device
The water temperature value of the inner bag of survey is converted into corresponding electrical parameter, is transferred to microprocessor and is handled, and the microprocessor is according to place
Reason result sends control signal to relay unit, the relay unit and the power supply of the heater is controlled according to control signal
Be switched on or switched off.
Specifically, in the present embodiment, the input of the detection transmission circuit output end with the first monitoring device respectively
And second monitoring device output end connection, the input of output end and the microprocessor of the detection transmission circuit connects
Connect, the relay unit is arranged on the positive pole and negative pole of the heater power source, the control terminal of the relay unit with
The output end connection of the microprocessor；First monitoring device monitors the on off operating mode of outlet pipe, the monitoring of the second monitoring device
The real-time temperature values of the water storage in water heater liner are detected, by detecting the on off operating mode of outlet pipe and interior after transmission circuit
The real-time water temperature value of courage is converted into corresponding electrical parameter, such as magnitude of voltage or resistance value etc., will be real-time by detection transmission circuit
Electrical parameter corresponding to the real-time water temperature value of outlet pipe on off operating mode and inner bag is transferred to microprocessor, and microprocessor internal enters
The corresponding analysis calculating processing of row, the result calculated according to internal analysis send corresponding control signal to relay unit, control
The coil of relay processed obtains electric or dead electricity, then the switch adhesive or disconnection of control relay.Because relay is to connect respectively
On the positive pole and negative pole of the power supply of heater, so as to realize the control whether to work heater.
Further, the scope of the preset temperature value is 30 DEG C to 80 DEG C.
Because the demand of the temperature of each season hot water and each user are different to the temperature requirements of hot water, the hot water
The preset temperature value of device can arbitrarily be set in 30 DEG C to 80 DEG C according to the actual requirements；Therefore, can be in the guidance panel of water heater
On manually preset the second monitoring module monitors temperature, promote the water temperature in water heater constant in preset value.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of water heater, it is characterised in that the water heater includes：
Inner bag, for water storage；
Heater, for heating the water in the inner bag；
Mode selector switch, for the heating mode of the water heater to be cut between water outlet power-down mode and general mode
Change；
First monitoring device, for detecting the break-make of outlet pipe；
Electrically-controlled component, for when the mode selector switch switches to water outlet power-down mode, and the water outlet pipe part is in path
During state, the power supply of the heater is disconnected；
Second monitoring device, for detecting the water temperature in inner bag；
The electrically-controlled component is additionally operable to when mode selector switch switches to water outlet power-down mode, when water outlet pipe part is in off state
And the water temperature in inner bag connects the power supply of the heater when being less than preset temperature value；When the water temperature in inner bag reaches default temperature
During angle value, the power supply of the heater is disconnected；
The electrically-controlled component is additionally operable to when mode selector switch switches to general mode, when the water temperature in inner bag is less than default temperature
During angle value, the power supply of the heater is connected；When the water temperature in inner bag reaches preset temperature value, the electricity of the heater is disconnected
Source；
Wherein, the electrically-controlled component includes detection transmission circuit, microprocessor and relay unit, the detection transmission circuit
Input is connected with the output end of the first monitoring device and the output end of the second monitoring device respectively, the detection transmission circuit
Output end is connected with the input of the microprocessor, and the relay unit is arranged at the positive pole of the heater power source with bearing
On extremely, the control terminal of the relay unit is connected with the output end of the microprocessor；The detection transmission circuit is by described in
The on off operating mode of the outlet pipe of first monitoring device detection, the water temperature value of the inner bag of the second monitoring device detection are converted into accordingly
Electrical parameter, it is transferred to the microprocessor and is handled, the microprocessor sends control signal to relay according to result
Device unit, the relay unit control being switched on or switched off for the power supply of the heater according to control signal.
2. water heater as claimed in claim 1, it is characterised in that the scope of the preset temperature value is 30 DEG C to 80 DEG C.
3. a kind of method for heating and controlling of water heater, it is characterised in that the method for heating and controlling of the water heater includes following step
Suddenly：
The heating mode switching signal that reception pattern switching switch is sent；
When the water heater is under water outlet power-down mode, the break-make of outlet pipe is detected by the first monitoring device；
When water outlet pipe part is in channel status, the power supply of heater is disconnected；
When water outlet pipe part is in off state, by the water temperature in the second monitoring device detection water heater liner；
When the water temperature in inner bag is less than preset temperature value, the power supply of the heater is connected；When the water temperature in inner bag reaches pre-
If during temperature value, disconnect the power supply of the heater；
Also include after the step of heating mode switching signal that the reception pattern switching switch is sent：
When the water heater is under general mode, by the water temperature in the second monitoring device detection water heater liner；
When the water temperature in inner bag is less than preset temperature value, the power supply of the heater is connected；When the water temperature in inner bag reaches pre-
If during temperature value, disconnect the power supply of the heater；
Wherein, the step of power supply of the power supply for connecting the heater or the disconnection heater specifically includes：
The on off operating mode for the outlet pipe for being detected first monitoring device by detection transmission circuit, the second monitoring device detect
The water temperature value of inner bag is converted into corresponding electrical parameter, is transferred to microprocessor and is handled, and the microprocessor is tied according to processing
Fruit sends control signal to relay unit, the relay unit and connecing for the power supply of the heater is controlled according to control signal
On-off is opened.
4. the method for heating and controlling of water heater as claimed in claim 3, it is characterised in that the scope of the preset temperature value is
30 DEG C to 80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510149877.1A CN104764188B (en) | 2015-03-31 | 2015-03-31 | Water heater and its method for heating and controlling |
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| CN201510149877.1A CN104764188B (en) | 2015-03-31 | 2015-03-31 | Water heater and its method for heating and controlling |
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| CN104764188B true CN104764188B (en) | 2018-03-06 |
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| CN104990273A (en) * | 2015-07-21 | 2015-10-21 | 晋江市永铭电子科技有限公司 | Buckle type water heater protection device with wireless sensing cutoff function |
| CN107152788B (en) * | 2017-07-20 | 2022-09-02 | 广东万家乐燃气具有限公司 | Electric water heater control system and electric water heater |
| CN109838926B (en) * | 2017-11-28 | 2022-10-28 | 昆明现代家园节能科技有限公司 | Intelligent solar water heater of scale prevention |
| CN109737608A (en) * | 2018-12-26 | 2019-05-10 | 合肥美的暖通设备有限公司 | A kind of control method of valve module, water heater and valve module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5938553A (en) * | 1982-08-28 | 1984-03-02 | Nanao:Kk | Temperature controller for water boiler |
| CN1719150A (en) * | 2005-07-29 | 2006-01-11 | 侯本龙 | Microwave water heater |
| CN201181411Y (en) * | 2008-04-07 | 2009-01-14 | 单昕 | Safety power-off controller of electric water heater |
| CN101860006B (en) * | 2010-05-07 | 2012-12-12 | 艾欧史密斯(中国)热水器有限公司 | Electric leakage protection device suitable for electric water heater |
| CN204693778U (en) * | 2015-03-31 | 2015-10-07 | 芜湖美的厨卫电器制造有限公司 | Water heater |
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