CN108278778A - A kind of phase transformation electric heater and temperature control method of water - Google Patents
A kind of phase transformation electric heater and temperature control method of water Download PDFInfo
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- CN108278778A CN108278778A CN201810260304.XA CN201810260304A CN108278778A CN 108278778 A CN108278778 A CN 108278778A CN 201810260304 A CN201810260304 A CN 201810260304A CN 108278778 A CN108278778 A CN 108278778A
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- water
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- heater
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
- F24H7/0408—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply
- F24H7/0433—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply the transfer medium being water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
Abstract
The embodiment of the invention discloses a kind of phase transformation electric heater and temperature control method of water, phase transformation electric heater includes：Circulation line and phase-change material for accumulation of heat；At least side of circulation line is attached at phase-change material, the water inlet end of circulation line be equipped with successively pump, heater, distinguish HEATER FOR MEASURING outlet stream amount and coolant-temperature gage first flow sensor and the first temperature sensor；The import of heater and the outlet of pump connect；The water outlet of circulation line is equipped with the second temperature sensor for measuring phase-change material temperature；Circulation line is additionally provided with water inlet pipe, second flow sensor, the first branch pipe, triple valve, outlet pipe, the second branch pipe and third temperature sensor.The phase transformation electric heater of the present invention improves constant temperature effect.
Description
Technical field
The present invention relates to water heater, more particularly to a kind of phase transformation electric heater and temperature control method of water.
Background technology
Electric heater is easy to use comfortable, and price is relatively low and obtain wide compared with other class water heaters such as solar water heater
General use.In general, electric heater carries larger water tank stored heat, causes electric heater volume larger, need larger
Installation space.In order to improve bath comfort degree, reach constant temperature effect, usual electric heater can utilize thermostatic valve adjusting water outlet pipe
Hot and cold water aperture, although this mode can reach certain constant temperature effect, the water in water tank or water pipe will produce local temperature
Excessively high or dry combustion method phenomenon, not only constant temperature effect is poor, but also wastes electric energy, can also cause to damage to some components of water heater sometimes
Evil.
Invention content
In order to solve the above technical problems, an embodiment of the present invention provides a kind of phase transformation electric heater and temperature control method of water.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is realized in：
The phase transformation electric heater of embodiment according to a first aspect of the present invention, the phase transformation electric heater include：Circulation line
With the phase-change material for accumulation of heat；
At least side of the circulation line is attached at the phase-change material, and the water inlet end of the circulation line is equipped with successively
The first flow sensor and the first temperature biography of pump, heater, the outlet stream amount for measuring the heater respectively and coolant-temperature gage
Sensor；The import of the heater is connect with the outlet of the pump；The water outlet of the circulation line, which is equipped with, measures the phase transformation
The second temperature sensor of material temperature；
The water inlet end of the circulation line is additionally provided with water inlet pipe, and the water inlet pipe, which is equipped with, measures water inlet in the water inlet pipe
The second flow sensor of flow；
The water outlet of the circulation line is additionally provided with the first branch pipe, triple valve, outlet pipe and the second branch pipe, the triple valve
First end be connected to the water outlet of the circulation line by first branch pipe, the second end of the triple valve passes through described
Second branch pipe is connected to the water inlet pipe, and the third end of the triple valve is connected to the outlet pipe；It is also set on the outlet pipe
There is the third temperature sensor for measuring leaving water temperature in the outlet pipe.
Further, the phase transformation electric heater further includes the check valve being arranged on the circulation line, described unidirectional
Valve connects water outlet and the water inlet end of the circulation line.
Further, the triple valve is thermostatic valve.
Further, the phase transformation electric heater further includes the temperature limiter that can limit maximum heating temperature, the limit temperature
Device is arranged on the heater.
Further, the phase transformation electric heater further includes：One-way relief valves, one-way relief valves setting it is described into
On water pipe, the one-way relief valves are arranged with the second flow sensor distance, and positioned at the second flow sensor
Upstream.
Further, the phase transformation electric heater further includes：Liner, the liner is interior to be equipped with accommodating space, the phase transformation
Material and it is arranged in the accommodating space with the parts of the phase change material contacts circulation line.
The temperature control method of water of embodiment according to a second aspect of the present invention, for the phase power transformation described in first aspect embodiment
Water heater, the temperature control method of water include：When water inlet pipe is closed, the second temperature sensor measures the phase-change material
When temperature is less than the first temperature threshold, the pump is opened, and start the heater；The pump is set to drive in the circulation line
Water outlet of the water through the circulation line to water inlet extreme direction flowing, the water flows into the heater, the heater pair
After the water entered is heated, the water after heating is again flowed by the water inlet end of the circulation line in the circulation line,
The phase-change material carries out heat exchange with the water after the heating in the circulation line；Described in the second temperature sensor measures
When the temperature of phase-change material reaches the first temperature threshold, the pump stops driving, and the heater is stopped.
Further, the temperature control method of water further includes：Outlet pipe goes out described in the third temperature sensor measurement
When coolant-temperature gage and the difference of second temperature threshold value are more than preset range, the water outlet of the triple valve and the circulation line is adjusted
The aperture for the cold end that the aperture in the hot junction of connection and the triple valve are connected to the water inlet end of the circulation line, and described
When three-temperature sensor measures the difference of the leaving water temperature of the outlet pipe and second temperature threshold value within a preset range, institute is controlled
State outlet pipe water outlet.
Further, the temperature control method of water further includes：After opening the pump, the pump drives water to the heater
When direction is flowed, when the outlet stream amount of heater described in the first flow sensor measurement is less than given threshold, the pump
Stop driving.
Further, the temperature control method of water further includes：The water inlet pipe is opened, water is flowed for the first time by the water inlet pipe
When into the circulation line, the cold end that the triple valve is connected to the water inlet end of the circulation line is closed.
An embodiment of the present invention provides a kind of phase transformation electric heater and temperature control method of water, phase-change material can store heat
Amount, when the water temperature in circulation line is relatively low, the water in circulation line can replace the heat of phase-change material storage, avoid using storage
Water tank stores heat, reduces the volume of electric heater.First temperature sensor be used for HEATER FOR MEASURING exit water temperature degree, second
Temperature sensor is used to measure the temperature of phase-change material, and third temperature sensor is used to measure the leaving water temperature of outlet pipe, both kept away
Local coolant-temperature gage overheat is exempted from, has in turn ensured the constant of leaving water temperature, improve constant temperature effect.First flow sensor is for examining
The water flow for surveying heater outlet avoids pump idle running or stall.
Description of the drawings
Fig. 1 is an optional structural schematic diagram of the phase transformation electric heater of the embodiment of the present invention；
Reference numeral：Liner 100；Accommodating space 110；Phase-change material 120；Circulation line 130；The water inlet end of circulation line
131；The water outlet 132 of circulation line；Second temperature sensor 140；Outlet pipe 150；Water outlet 151；Third temperature sensor
152；Thermostatic valve 153；Water inlet pipe 160；Water inlet 161；Second flow sensor 162；One-way relief valves 163；Check valve 170；
Pump 180；Heater 190；Temperature limiter 191；First flow sensor 192；First temperature sensor 193.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is purged, is fully described by.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments.Based on described the embodiment of the present invention, those skilled in the art institute
The every other embodiment obtained, belongs to the scope of the present invention.
In the description of the present invention, it is to be understood that, term "upper", "lower", "vertical", "horizontal", "top", "bottom",
The orientation or position relationship of the instructions such as "inner", "outside" are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of
The description present invention and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third "
It is used for description purposes only, is not understood to indicate or imply the number of relative importance or implicit technical characteristic that can only be indicated
Amount.It is reference that term " upstream ", " downstream ", which are with the direction of water flowing,.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
It shall be understood in a broad sense.It for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected.Can be that machinery connects
It connects, can also be electrical connection, can be directly connected to, can also be indirectly connected with by intermediary, can be in two elements
The connection in portion.For a person skilled in the art, it can according to circumstances understand that above-mentioned term in the present invention specific contains
Justice.
First aspect present invention embodiment provides a kind of phase transformation electric heater, the embodiment of the present invention shown in Figure 1
The optional structural schematic diagram of one of phase transformation electric heater illustrates.
The phase transformation electric heater of the embodiment of the present invention includes：Circulation line 130 and phase-change material 120 for accumulation of heat.
Wherein, at least side of circulation line 130 is attached at phase-change material 120, and the water inlet end 131 of circulation line is set successively
Have pump 180, heater 190, respectively HEATER FOR MEASURING 190 outlet stream amount and coolant-temperature gage 192 and of first flow sensor
First temperature sensor 193；The import of heater 190 is connect with the outlet of pump 180；The water outlet 132 of circulation line, which is equipped with, to be surveyed
Measure the second temperature sensor 140 of 120 temperature of phase-change material；The water inlet end 131 of circulation line is additionally provided with water inlet pipe 160, water inlet
Pipe 160 is equipped with the second flow sensor 162 for measuring flow of inlet water in water inlet pipe 160；The water outlet 132 of circulation line is also set
There are the first branch pipe, triple valve, outlet pipe 150 and the second branch pipe, the first end of triple valve passes through the first branch pipe and circulation line
Water outlet 132 is connected to, and the second end of triple valve is connected to by the second branch pipe with water inlet pipe 160, third end and the water outlet of triple valve
Pipe 150 is connected to；The third temperature sensor 152 for measuring leaving water temperature in outlet pipe 150 is additionally provided on outlet pipe 150.
In the present embodiment, phase-change material 120 is for storing or discharge heat, specifically, phase-change material 120 can by with
Heated water in circulation line 130 exchanges heat, and the heat of the water in circulation line 130 is stored.Phase transformation material
Material 120 can also be released to the water in circulation line 130 by the heat stored, meet so as to the hot water of outlet pipe 150
Supply requirement.One end of water inlet pipe 160 is connected with circulation line 130, and for the other end as water inlet 161, water inlet 161 can be with
Water source device connection outside phase transformation electric heater, if water inlet 161 can be connect with the running water pipe of user, outlet pipe 150
One end is connected with triple valve, and the other end can be connect as water outlet 151, water outlet 151 with the shower in bathroom.Pass through the first temperature
Degree sensor 193 and second temperature sensor 140 monitor 120 temperature of coolant-temperature gage and phase-change material of the outlet of heater 190 respectively,
Local water temperature overheat or dry combustion method phenomenon are avoided, the constant of leaving water temperature has been effectively ensured.
It is understood that in order to improve heat exchange efficiency, increase the contact area of circulation line 130 and phase-change material 120,
The part circulation line 130 contacted with phase-change material 120 can helically or snakelike setting, the portion contacted with phase-change material 120
It can be arranged in parallel to divide circulation line 130, can also be arranged in series.Fig. 1 is schematically illustrated to be contacted with phase-change material 120
The 130 serpentine-like setting of part circulation line, wherein water in circulation line 130 circulate direction be counterclockwise.
The first end (i.e. the left end of triple valve in Fig. 1) of triple valve and circulation line 130 is hot junction, and the second end of triple valve is (i.e. in Fig. 1
The right end of triple valve) it is cold end, the third end (i.e. the lower end of triple valve in Fig. 1) of triple valve is outlet end, by adjusting threeway
The aperture of valve cold and hot end can adjust the coolant-temperature gage of outlet end, improve the constant temperature effect of leaving water temperature.Specifically, threeway
Valve can be thermostatic valve 153.
In the optional realization method of the present invention, phase transformation electric heater further includes being arranged on circulation line 130
Check valve 170, check valve 170 connect circulation line water outlet 132 and water inlet end.170 permission water self-loopas of check valve
The water outlet 132 of pipeline flows to the water inlet end 131 of circulation line, and is unable to reverse flow, ensure that cold water enters circulation line
It is flowed to 190 direction of heater after 130.
An optional realization method according to the present invention, phase transformation electric heater further include that can limit maximum heating temperature
Temperature limiter 191, temperature limiter 191 be arranged on heater 190.Temperature limiter 191 is set on heater 190, can prevent from adding
The temperature of water is excessively high and vaporize in thermal process, avoids water temperature overheat, improves constant temperature effect.
Another optional realization method according to the present invention, phase transformation electric heater further include one-way relief valves 163, unidirectionally
Safety valve 163 is arranged on water inlet pipe 160, and one-way relief valves 163 and second flow sensor 162 interval are arranged, and positioned at the
The upstream of two flow sensors 162.Fig. 1 illustrates the one-way relief valves 163 being arranged on water inlet pipe 160, one-way safety
Valve 163 avoids the aqueous reflux in circulation line 130 to water inlet 161.
In the optional realization method of the present invention, phase transformation electric heater further includes liner 100, is set in liner 100
There are accommodating space 110, phase-change material 120 and the part circulation line 130 contacted with phase-change material 120 to be arranged in accommodating space
In 110.
Liner 100 plays heat insulation effect for installing phase-change material 120, reduces dissipating for 120 heat of phase-change material
It loses.
The temperature control method of water of embodiment according to a second aspect of the present invention is used for the phase transformation electric heater of above-described embodiment,
Temperature control method of water includes：When water inlet pipe 160 is closed, second temperature sensor 140 measures the temperature of phase-change material 120 less than the
When one temperature threshold, pump 180 is opened, and start heater 190；Pump 180 is set to drive the water in circulation line 130 through circulation line
Water outlet 132 to water inlet extreme direction flowing, water flows into heater 190, after heater 190 heats the water entered,
Water after heating is again flowed by the water inlet end 131 of circulation line in circulation line 130, phase-change material 120 and circulation line 130
In heating after water carry out heat exchange；The temperature that second temperature sensor 140 measures phase-change material 120 reaches the first temperature threshold
When value, pump 180 stops driving, and heater 190 is stopped.
In the present embodiment, when water inlet pipe 160 is closed, the temperature that second temperature sensor 140 measures phase-change material 120 is less than
When the first temperature threshold, pump 180 is opened.Pump 180 can be less than the first temperature threshold certain temperature in the temperature of phase-change material 120
After range, restart, when being less than -5 DEG C of the first temperature threshold such as the temperature of phase-change material 120, starts pump 180.Phase-change material 120
Temperature can be the temperature of itself of phase-change material 120, can also be the part circulation line 130 contacted with phase-change material 120
Interior coolant-temperature gage.193 moment of first temperature sensor HEATER FOR MEASURING, 190 exit water temperature degree, the first temperature sensor 193 measure
When 190 exit water temperature degree of heater is less than third temperature threshold, such as going out when 193 HEATER FOR MEASURING 190 of the first temperature sensor
When saliva temperature is less than 88 DEG C, 90 DEG C, 91 DEG C, 93 DEG C, 95 DEG C or 98 DEG C, start heater 190 in the first preset time, such as
Start heater 190 in 6s, 10s, 12s or 15s.Water outlet of the water through circulation line in 180 driving circulation line 130 of pump
132 to water inlet extreme direction flowing, and water flows into heater 190, after heater 190 heats the water entered, after heating
Water is again flowed by the water inlet end 131 of circulation line in circulation line 130, phase-change material 120 and the heating in circulation line 130
Water afterwards carries out heat exchange；When the temperature that second temperature sensor 140 measures phase-change material 120 reaches the first temperature threshold, pump
180 stop driving, and heater 190 is stopped.Specifically, when the temperature of phase-change material 120 is equal to or more than the first temperature
When threshold value, heater 190 is stopped, and such as cuts off the power supply of heater 190, and pump 180, which works on, to stop after the second preset time
Only, the second preset time can be 20s, 30s, 40s or 45s.When the above control model is that water inlet pipe 160 is closed, i.e. second
When quantity sensor 162 detects that the flow of inlet water of water inlet pipe 160 is 0, the operating mode of phase transformation electric heater.
When water inlet pipe 160 is opened, i.e., when having water flow in water inlet pipe 160, pump 180 does not work, the work of phase transformation electric heater
Operation mode is：192 HEATER FOR MEASURING of first flow sensor, 190 outlet stream amount is more than preset flow, and the first temperature sensing
When 193 HEATER FOR MEASURING of device, 190 exit water temperature degree is more than four temperature thresholds, such as 192 HEATER FOR MEASURING of first flow sensor
190 outlet stream amounts are more than 2L/MIN, 3L/MIN or 5L/MIN, and 193 HEATER FOR MEASURING 190 of the first temperature sensor goes out saliva
When temperature is more than 88 DEG C, 90 DEG C, 91 DEG C, 93 DEG C, 95 DEG C or 98 DEG C, start heater 190, otherwise, heater 190 does not heat.
4th temperature threshold can be equal with the first temperature threshold.
In an optional realization method of temperature control method of water of the present invention, temperature control method of water further includes：Third temperature
When the difference of the leaving water temperature and second temperature threshold value of spending the measurement outlet pipe 150 of sensor 152 is more than preset range, threeway is adjusted
The aperture and triple valve in the hot junction that valve is connected to the water outlet 132 of circulation line are connected to cold with the water inlet end 131 of circulation line
The aperture at end, and the leaving water temperature of outlet pipe 150 and the difference of second temperature threshold value are measured pre- in third temperature sensor 152
If when in range, control outlet pipe 150 is discharged.
Specifically, third temperature sensor 152 can be arranged in one end that outlet pipe 150 is connected with triple valve, i.e. third
150 temperature of outlet pipe that temperature sensor 152 measures refers to the coolant-temperature gage of triple valve outlet end.Triple valve can be with motor phase
Even, triple valve can control the aperture of its cold and hot end by motor.The difference of triple valve leaving water temperature and the 4th temperature threshold
The preset range of value can be set as 0~2 DEG C, 0~3 DEG C, 0~4 DEG C or 0~5 DEG C.For 0~2 DEG C：When going out for outlet pipe 150
Coolant-temperature gage, when being more than 2 DEG C of the 4th preset temperature or more such as the outlet end coolant-temperature gage of triple valve 170, triple valve 170 is subtracted by motor
Small hot junction aperture increases cold end aperture.When the outlet end coolant-temperature gage of triple valve 170 is less than 2 DEG C of the 4th preset temperature or more, three
Port valve increases hot junction aperture by motor, reduces cold end aperture, by constantly measuring and adjusting, until the outlet end of triple valve
Within 2 DEG C, control outlet pipe 150 is discharged the difference of coolant-temperature gage and the 4th temperature threshold.
In an optional realization method of temperature control method of water of the present invention, temperature control method of water further includes：Open pump
After 180, when 180 driving water of pump is flowed to 190 direction of heater, 192 HEATER FOR MEASURING 190 of first flow sensor goes out saliva
When flow is less than given threshold, pump 180 stops driving.
For example, after opening pump 180, when 180 driving water of pump is flowed to 190 direction of heater, first flow sensor 192 is surveyed
When measuring the outlet stream amount of heater 190 as 0L/MIN, or being less than 0.1L/MIN or 0.5L/MIN, pump 180 stops driving.If the
The outlet stream amount of one flow sensor, 192 HEATER FOR MEASURING 190 is not 0L/MIN, or is not less than 0.1L/MIN or 0.5L/MIN
When, pump 180 works on.
In an optional realization method of temperature control method of water of the present invention, temperature control method of water further includes：Open into
Water pipe 160 when water is flowed to by 160 first time of water inlet pipe in circulation line 130, closes the water inlet end of triple valve and circulation line
The cold end of 131 connections.It is understood that phase transformation electric heater is for the first time in use, need first upper water, guarantee circulation line
There is water in 130.
The other structures of phase transformation electric heater according to the ... of the embodiment of the present invention and operation are to those skilled in the art
All it is to be appreciated that and easy to implement, therefore is not described in detail.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of phase transformation electric heater, which is characterized in that the phase transformation electric heater includes：Circulation line and phase for accumulation of heat
Become material；
At least side of the circulation line is attached at the phase-change material, the water inlet end of the circulation line be equipped with successively pump,
The first flow sensor and the first temperature sensing of heater, the outlet stream amount for measuring the heater respectively and coolant-temperature gage
Device；The import of the heater is connect with the outlet of the pump；The water outlet of the circulation line, which is equipped with, measures the phase transformation material
The second temperature sensor of material temperature degree；
The water inlet end of the circulation line is additionally provided with water inlet pipe, and the water inlet pipe, which is equipped with, measures flow of inlet water in the water inlet pipe
Second flow sensor；
The water outlet of the circulation line is additionally provided with the first branch pipe, triple valve, outlet pipe and the second branch pipe, and the of the triple valve
One end is connected to by first branch pipe with the water outlet of the circulation line, and the second end of the triple valve passes through described second
Branch pipe is connected to the water inlet pipe, and the third end of the triple valve is connected to the outlet pipe；Survey is additionally provided on the outlet pipe
Measure the third temperature sensor of leaving water temperature in the outlet pipe.
2. phase transformation electric heater according to claim 1, which is characterized in that the phase transformation electric heater further includes that setting exists
Check valve on the circulation line, the check valve connect water outlet and the water inlet end of the circulation line.
3. phase transformation electric heater according to claim 1, which is characterized in that the triple valve is thermostatic valve.
4. phase transformation electric heater according to claim 1, which is characterized in that the phase transformation electric heater further includes that can limit
Determine the temperature limiter of maximum heating temperature, the temperature limiter is arranged on the heater.
5. phase transformation electric heater according to claim 1, which is characterized in that the phase transformation electric heater further includes：Unidirectionally
Safety valve, the one-way relief valves are arranged on the water inlet pipe, between the one-way relief valves and the second flow sensor
Every setting, and positioned at the upstream of the second flow sensor.
6. phase transformation electric heater according to claim 1, which is characterized in that the phase transformation electric heater further includes：Liner,
Accommodating space, the phase-change material and the part circulation line setting with the phase change material contacts are equipped in the liner
In the accommodating space.
7. a kind of temperature control method of water, which is characterized in that described for any one of claim 1 to the 6 phase transformation electric heater
Temperature control method of water includes：When water inlet pipe is closed, the second temperature sensor measures the temperature of the phase-change material less than the
When one temperature threshold, the pump is opened, and starts the heater；The pump is set to drive described in the water warp in the circulation line
The water outlet of circulation line flows into the heater to water inlet extreme direction flowing, the water, and the heater is to the water that is entered
After being heated, the water after heating is again flowed by the water inlet end of the circulation line in the circulation line, the phase transformation material
Material carries out heat exchange with the water after the heating in the circulation line；The second temperature sensor measures the phase-change material
When temperature reaches the first temperature threshold, the pump stops driving, and the heater is stopped.
8. temperature control method of water according to claim 7, which is characterized in that the temperature control method of water further includes：It is described
When the leaving water temperature of outlet pipe described in third temperature sensor measurement and the difference of second temperature threshold value are more than preset range, adjust
The aperture in the hot junction that the triple valve is connected to the water outlet of the circulation line and the triple valve and the circulation line
The aperture of the cold end of water inlet end connection, and the leaving water temperature of outlet pipe described in the third temperature sensor measurement and the second temperature
When spending the difference of threshold value within a preset range, the outlet pipe water outlet is controlled.
9. temperature control method of water according to claim 7, which is characterized in that the temperature control method of water further includes：It opens
After the pump, when the pump driving water is flowed to the heater direction, heater described in the first flow sensor measurement
Outlet stream amount when being less than given threshold, the pump stops driving.
10. temperature control method of water according to claim 7, which is characterized in that the temperature control method of water further includes：It opens
The water inlet pipe closes the triple valve and the cycle when water is flowed in the circulation line for the first time by the water inlet pipe
The cold end of the water inlet end connection of pipeline.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810260304.XA CN108278778A (en) | 2018-03-27 | 2018-03-27 | A kind of phase transformation electric heater and temperature control method of water |
| EP19776346.9A EP3757478B1 (en) | 2018-03-27 | 2019-03-27 | Phase-change electric water heater and water temperature control method |
| PCT/CN2019/079952 WO2019184961A1 (en) | 2018-03-27 | 2019-03-27 | Phase-change electric water heater and water temperature control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810260304.XA CN108278778A (en) | 2018-03-27 | 2018-03-27 | A kind of phase transformation electric heater and temperature control method of water |
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| Publication Number | Publication Date |
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| CN108278778A true CN108278778A (en) | 2018-07-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810260304.XA Pending CN108278778A (en) | 2018-03-27 | 2018-03-27 | A kind of phase transformation electric heater and temperature control method of water |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084477A (en) * | 2018-08-23 | 2018-12-25 | 芜湖美的厨卫电器制造有限公司 | Heat from Low-temperature Flue Gas |
| WO2019184961A1 (en) * | 2018-03-27 | 2019-10-03 | 芜湖美的厨卫电器制造有限公司 | Phase-change electric water heater and water temperature control method |
| CN111981687A (en) * | 2019-05-22 | 2020-11-24 | 合肥美的暖通设备有限公司 | Water heater, control method of water heater and storage medium |
| WO2021027234A1 (en) * | 2019-08-09 | 2021-02-18 | 芜湖美的厨卫电器制造有限公司 | Waterway control system and phase-change water heater |
| CN112923570A (en) * | 2021-02-10 | 2021-06-08 | 芜湖美的厨卫电器制造有限公司 | Control method for water heater, processor and storage medium |
| CN114200301A (en) * | 2020-09-16 | 2022-03-18 | 芜湖美的厨卫电器制造有限公司 | Motor locked-rotor detection method, detection device, water heater and readable storage medium |
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| CN111981687A (en) * | 2019-05-22 | 2020-11-24 | 合肥美的暖通设备有限公司 | Water heater, control method of water heater and storage medium |
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