CN106524521A - Control method for electric water heater and electric water heater - Google Patents
Control method for electric water heater and electric water heater Download PDFInfo
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- CN106524521A CN106524521A CN201611104535.9A CN201611104535A CN106524521A CN 106524521 A CN106524521 A CN 106524521A CN 201611104535 A CN201611104535 A CN 201611104535A CN 106524521 A CN106524521 A CN 106524521A
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- water
- butt
- temperature
- heater
- control method
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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
- F24H9/2021—Storage heaters
-
- 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a control method for an electric water heater and the electric water heater. The control method for the electric water heater comprises the following steps of: injecting fresh water into a water storage barrel while receiving water consumption demand information, mixing the fresh water with water stored in the water storage barrel, and enabling mixed water to flow out from a water outlet of the water storage barrel; and while not receiving water consumption demand information, stopping injecting fresh water into the water storage barrel. The control method for the electric water heater and the electric water heater can quickly and conveniently supply washing hot water to an existing public place without modifying power consumption lines of the existing public place.
Description
Technical field
The present invention relates to hot water provisioning technique field, the control method and electric hot water of more particularly to a kind of electric heater
Device.
Background technology
The hot water supply pattern of washing one's face and rinsing one's mouth of public place has two kinds：The end such as central-remote water supply and quick-heating type electric water heater adds
Heat directly supplies water.
Existing central-remote water system just has hot water out after using the front cold water that first need to be bled off in pipeline on the way,
The problems such as causing water waste and long waiting time；When using it is complete after the hot water that remains in pipeline on the way can cause energy dissipation；
The laying of long-range hot water line is cumbersome simultaneously, and input cost is high.
The heating tail ends such as existing quick-heating type electric water heater can directly provide hot water, and opposite central remotely supplies water fast
Practicality, but the larger power of its needs could cause its electric power big, to public place by cool water heating to suitable temperature
Electricity consumption line requirements are higher, need to transform the use electric line of existing public place, high cost；Its power is big simultaneously, and waste heat is also big, holds
It is easily caused output water temperature excessive and hot, in some instances it may even be possible to scald user.
The content of the invention
Based on this, it is necessary to provide the control method and electric heater of a kind of electric heater, can carry for existing public place
For hot water supply of fast easily washing one's face and rinsing one's mouth, and need not transform existing public place use electric line.
Its technical scheme is as follows：
A kind of control method of electric heater, comprises the steps：
When water demand information is received, new water the storage with the water butt memory storage are injected into water butt
Water mixes, and water after mixing is flowed out from the outlet of the water butt；
When water demand information is not received, stop into the water butt injecting new water.
During the control method of above-mentioned electric heater, when people open the handss of faucet or people near faucet, and then control
When device processed receives the water demand information by the triggering device, entering water electromagnetic valve action opens water inlet pipe by external water
Circulation transmission from one meridian to another water inlet pipe is flowed into water storage intracavity and is mixed the water Jing outlet pipes for obtaining adaptive temperature with the hot water of water storage intracavity from water
Tap flows out, and provides hot water for people and washes one's face and rinses one's mouth；After people close the handss of faucet or people away from faucet, controller is received
Less than the water demand information, entering water electromagnetic valve action, closing water inlet pipe, and stop injecting water to water storage intracavity.The electric heating
The control method of hydrophone is applied in electric heater, first heats water storage due to adopting, and decomposite mode provides hot water of washing one's face and rinsing one's mouth, makes
The power of the heater of the electric heater is relatively low, need not transform the use electric line of public place, easy to utilize；While its
The waste heat problem of quick-heating type electric water heater is overcome, the waste heat of heater, balanced leaving water temperature is made full use of.
Further below technical scheme is illustrated：
Wherein in one embodiment, also include water filling, the water heated in the water butt into the water butt, work as institute
When the water temperature in water butt is stated more than or equal to the first preset temperature, stop the water in the heating water butt.
Wherein in one embodiment, only when the water yield of the storage water in the water butt is more than or equal to said preset amount of water
When, the water that heater is just powered, heats in the water butt.
Wherein in one embodiment, when water demand information is received, new water injection institute has also been comprised determining whether
State water butt；When the water butt is injected without new water, heater power-off.
Wherein in one embodiment, when determining whether that new water injects the water butt, also including working as has new water injection
When water temperature in the water butt and the water butt is less than or equal to the second preset temperature, heater is powered, heats the storage
Water in bucket；When the water temperature in the water butt is greater than or equal to three preset temperature, heater power-off.
Wherein in one embodiment, when stopping injecting new water into the water butt, also including the stopping water butt
Interior water outflow.
Wherein in one embodiment, also include when the water butt has water temperature in water and the water butt to be less than or
During equal to four preset temperatures, heater is powered, the water heated in the water butt；When the water temperature in the water butt be higher than or
During equal to five preset temperatures, heater power-off.
Wherein in one embodiment, also include when the water butt has water temperature in water and the water butt to be less than or
During equal to four preset temperatures, the duration of water demand information is not such as received more than or equal to preset duration, heater power-off.
Wherein in one embodiment, the intake pressure of the water butt is more than or equal to 0.3MPa.
The present invention also provides a kind of electric heater, the control method of electric heater that will be described using right, including：It is a kind of
Electric heater, including：Water butt, the water butt include water storage cavity and the water inlet pipe for communicating with the water storage cavity respectively and water outlet
Pipe；Heater, heater are provided with the heating part and the terminals with power electric connection for being arranged at the water storage intracavity；Temperature detection
Device, the temperature-detecting device are arranged in the water butt, for detecting water temperature；Entering water electromagnetic valve, the water inlet electromagnetism
Valve and the water inlet pipe are connected, the closing for controlling the water inlet pipe or opening；For monitoring whether to need the triggering with water
Device, the triggering device are communicated to connect with the entering water electromagnetic valve；And for controlling the control of the energization or power-off of heater
Device, the controller are communicated to connect with the temperature-detecting device, the entering water electromagnetic valve and the triggering device；Wherein,
When controller receives the water demand information by the triggering device, the entering water electromagnetic valve action,
The water inlet pipe is opened, and new water is injected to the water storage cavity and is mixed with the storage water of the water storage cavity memory storage, after mixing
Water flow out from the outlet of the outlet pipe；
When controller does not receive the water demand information, the entering water electromagnetic valve action, the closing water inlet pipe,
Stop injecting new water to the water storage cavity.
When the electric heater is used, when people open the handss of faucet or people near faucet, the triggering device is monitored
When needing to wash one's face and rinse one's mouth using hot water to someone, corresponding signal is sent by controller and is fed water solenoid valve, entering water electromagnetic valve action is beaten
Drive water pipe into flow into water storage intracavity by Jing water inlet pipes by external water stream and mix acquisition adaptive temperature with the hot water of water storage intracavity
Water Jing outlet pipes from faucet flow out, provide hot water for people and wash one's face and rinse one's mouth；When people close the handss of faucet or people away from water
After tap, when triggering device monitors that nobody need to be washed one's face and rinsed one's mouth using hot water, by controller send corresponding signal be fed water solenoid valve,
And entering water electromagnetic valve closing water inlet pipe is controlled, and stop injecting water to water storage intracavity.When the electric heater is applied to public place,
Water storage is heated first due to adopting, decomposite mode provides hot water of washing one's face and rinsing one's mouth, and the power of the heater is relatively low, need not transform public field
Use electric line, it is easy to utilize；The waste heat problem of quick-heating type electric water heater is which overcomed simultaneously, makes full use of heater
Waste heat, balanced leaving water temperature.
Description of the drawings
Fig. 1 is the control method flow chart of electric heater of the present invention；
The structural representation of Fig. 2 electric heaters of the present invention；
Fig. 3 is the electrical connection schematic diagram of electric heater of the present invention.
Description of reference numerals：
100th, water butt, 110, water storage cavity, 120, water inlet pipe, 130, outlet pipe, 200, heater, 210, heating part,
220th, terminals, 230, relay, 300, temperature-detecting device, 400, entering water electromagnetic valve, 500, triggering device, 600, control
Device, 700, water outlet detection means.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing and specific embodiment party
Formula, is described in further detail to the present invention.It should be appreciated that specific embodiment described herein is only to solve
The present invention is released, protection scope of the present invention is not limited.
Heretofore described " first ", " second " do not represent specific quantity and order, are only used for the differentiation of title.
As shown in figure 1, a kind of control method of electric heater of the present invention, comprises the steps：
When water demand information is received, new water is injected into water butt and is mixed with the storage water of water butt memory storage
Close, water after mixing is flowed out from the outlet of water butt；
When water demand information is not received, stop new water is injected into water butt.
During the control method of the electric heater, when people open the handss of faucet or people near faucet, and then control
When device receives water demand information by triggering device, entering water electromagnetic valve action is opened water inlet pipe and is entered by Jing by external water stream
Water pipe is flowed into water storage intracavity and is mixed the water Jing outlet pipes for obtaining adaptive temperature with the hot water of water storage intracavity from faucet outflow,
Hot water is provided for people to wash one's face and rinse one's mouth；After people close the handss of faucet or people away from faucet, controller is not received uses water
Demand information, entering water electromagnetic valve action, closing water inlet pipe, and stop injecting water to water storage intracavity.The controlling party of the electric heater
Method is applied in electric heater, first heats water storage due to adopting, and decomposite mode provides hot water of washing one's face and rinsing one's mouth, and makes adding for electric heater
The power of hot device is relatively low, need not transform the use electric line of public place, easy to utilize；Which overcome quick electrothermal simultaneously
The waste heat problem of hydrophone, makes full use of the waste heat of heater, balanced leaving water temperature.
In the present embodiment, also include into water butt water filling, the water in heating water butt, when the water temperature in water butt it is big
In or be equal to the first preset temperature when, stop heating water butt in water.It is easy to, in the higher hot water of water butt memory storage, be easy to
It is for people to use with the hot water that the new water of injection is mixed to form suitable temperature；Specifically, the heater passes through terminals and power supply
Connect and be powered, preset when the water temperature that controller is detected by temperature-detecting device in the water storage intracavity or outlet pipe reaches first
During temperature, the controller sends command adapted thereto, makes heater power-off, continues to add to the water of water storage intracavity using the remaining temperature of heater
Heat.Such as to after water filling in water butt, start heater and begin to warm up, be heated to the first preset temperature (being assumed to be 43 DEG C) automatic afterwards
Deenergization, recycles the remaining temperature of heater to the storage water heating in water butt；Deenergization when being heated to 43 DEG C can be set,
The waste heat of the heater of heater can continue the temperature of storage water to be heated to 45 DEG C, so just can remove the impact of remaining temperature.Enter
One step, only when the water yield of the storage water in water butt is more than or equal to said preset amount of water, heater is just powered, heats water storage
Water in bucket；Thus heater dry combustion method can be avoided the occurrence of, while can avoid because of the water yield in water butt very little, temperature rise is too fast and leads
Heater is caused frequently to be powered or power-off.
In the present embodiment, also include, when water demand information is received, also having comprised determining whether new water injection storage
Bucket (during new water injection water butt can be determined whether by water detection means 700)；When water butt is injected without new water, plus
Hot device power-off；Thus when the feed pipe supplied water for water butt is cut off the water supply, and after causing the current inside water butt to lose, again less than benefit
In the case of filling, it is to avoid heater energization dry combustion method.Further, when determining whether new water injection water butt, also including working as has
Water temperature in new water injection water butt and water butt is less than or equal to the second preset temperature (the second preset temperature can be 36 DEG C)
When, the water that heater is powered, heats in water butt；When the water temperature in water butt, greater than or equal to the 3rd preset temperature, (second is pre-
If temperature can be 39 DEG C) when, heater power-off.Thus the water in water butt can be heated in time, queuing water is spaced using people
Time Continuous constantly heat the water of water butt, make the water temperature of water butt in a suitable temperature range, to meet people
The continuous demand using hot water；The maximum temperature for heating is also provided with simultaneously, it is to avoid water temperature is too hot.As people's single was washed one's hands as 5 seconds,
By larger flow 2.5L/min calculating of washing one's hands, single water consumption is 0.2L, and the volume of water butt is available for 3 people to wash one's hands for 0.6L,
1 people can be allowed to wash 30 seconds after the water mixing of 0.6L；When many people continuously use hot water, after a upper people is finished water, from closing water
Valve turn round escape to the next man walk close to tap open hot water use, time interval was considerably beyond 1 second；After assuming water butt mixing
Water temperature be 5 DEG C, 2100W power the water of 0.6L be heated to 44 DEG C need 0.8 second, the preheating time less than one second.Separately
Calculate such as according to 1 square millimeter of copper cash excessively stream 8A, 8A*220V=1760W, 1760W under 5 DEG C of flow conditions, 0.6L's
Water is heated to 44 DEG C also only to be needed 1 second；Thus water in water butt is fully heated using the time of interval heating, further can reduce
The power of heater.
In the present embodiment, when stopping injecting new water into water butt, also including the water outflow stopped in water butt.So that
The enough storage water of water butt memory storage, can continue heating storage water when without water, just store water and be mixed to get with Xin Shui
The hot water of suitable temperature.Further, also include having the water temperature in water and water butt pre- less than or equal to the 4th when water butt
If during temperature, the water that heater is powered, heats in water butt；When the water temperature in water butt is greater than or equal to the 5th preset temperature
When, heater power-off；Thus during stopping water, can automatic preheating (detecting water not flow), be easy to the heating that employs one's time to the best advantage
Water in water butt, can further reduce the power of heater；Such as when water temperature is reduced to 36 DEG C, (the 4th preset temperature is 36
DEG C) when the heating of automatic heater, the water in water butt is heated to into 41 DEG C (the 5th preset temperature is 41 DEG C) and stops being powered,
Continue to heat water using temperature more than heater.Further, also include there is the water temperature in water and water butt when water butt
During less than or equal to four preset temperatures, if the duration of water demand information is not received more than or equal to preset duration, plus
Hot device power-off；And then can avoid water in water butt by heating repeatedly again nobody use water, waste energy.Such as persistently detect 30 minutes
(preset duration be 30 minutes) is not restarted heater and is incubated when nobody uses water always；Detect in 30 minutes and once use
Water, recalculates the initial time for stopping insulation；In the time beyond automatic preheating insulation, program need to only be detected and once be used
Water is just again started up heater at once, as do not used for a long time, after more than temperature retention time, when first man goes to use, need to only open
A water is closed, just there can be comfortable hot water to use (because preheating time was less than 1 second).
In the present embodiment, the intake pressure of water butt is more than or equal to 0.3MPa.When someone's water is detected, automatically
Entering water electromagnetic valve is opened, cold water is rushed in using the pressure moment of tap water 0.3MPa-0.4MPa and mixed at the top of water butt
Water：The cold water come in was lowered the temperature middle at first conjunction of hot water of middle and upper part in water butt from the moment that the middle and lower part of water butt is rushed forward,
Then cold water post continues up to walk, and is flushed to the backflow of top end cover back reflection and pours bottom, is sufficiently mixed the water in water butt.
First preset temperature, the second preset temperature, the 3rd preset temperature, the 4th preset temperature and the 5th preset temperature, and
The numerical value that preset duration the above embodiments are previously mentioned restriction not to which, can be adjusted setting according to actual needs, because
Water butt volume, the heating power of heater, inflow temperature etc. are all different, flexibly can be configured to meet people's needs.
As shown in Figures 2 and 3, a kind of electric heater of the invention, including：Water butt 100, water butt 100 include water storage
Chamber 110 and the water inlet pipe 120 for communicating with water storage cavity 110 respectively and outlet pipe 130；Heater 200, heater 200 are provided with setting
Heating part 210 in the water storage cavity 110 and the terminals 220 with power electric connection；Temperature-detecting device 300, temperature detection dress
Put 300 to be arranged in water butt, for detecting water temperature；Entering water electromagnetic valve 400, entering water electromagnetic valve 400 and water inlet pipe 120 connect,
For controlling closing or the opening of water inlet pipe 120；For monitoring whether to need the triggering device 500 with water, triggering device 500 with
Entering water electromagnetic valve 400 is communicated to connect；And for controlling the controller 600 of the energization or power-off of heater 200, controller 600 with
Temperature-detecting device 300, entering water electromagnetic valve 400 and triggering device 500 are communicated to connect；Wherein,
When controller 100 receives the water demand information by triggering device 500,400 action of entering water electromagnetic valve, beat
Drive water pipe 120 into, new water is injected to water storage cavity 110 and mixed with the storage water of 110 memory storage of water storage cavity, water after mixing
Flow out from the outlet of outlet pipe 130；
When controller 100 does not receive the water demand information, 400 action of entering water electromagnetic valve, closing water inlet pipe 120,
Stop injecting new water to water storage cavity 110.
As shown in Figures 2 and 3, when above-mentioned electric heater is used, the heater 200 passes through terminals 220 and power on
It is powered, when the water temperature that controller 600 is detected by temperature-detecting device 300 in the water butt 100 reaches the first preset temperature
When, the controller 600 sends command adapted thereto, makes 200 power-off of heater, is continued to water storage cavity 110 using the remaining temperature of heater 200
Interior water heating；When people open the handss of faucet or people near faucet, the triggering device 500 monitors that someone needs to make
When being washed one's face and rinsed one's mouth with hot water, by controller 600 send corresponding signal be fed water solenoid valve 400,400 action of entering water electromagnetic valve open into
Water pipe 120 allows external water stream to flow in water storage cavity 110 by Jing water inlet pipes 120, and mix acquisition with the hot water in water storage cavity 110
The water Jing outlet pipes 130 of adaptive temperature are flowed out from faucet, are provided hot water for people and are washed one's face and rinsed one's mouth；When people close faucet or people
Handss away from faucet after, when triggering device 500 monitors that nobody need to be washed one's face and rinsed one's mouth using hot water, sent accordingly by controller 600
Signal feed water solenoid valve 400, and control entering water electromagnetic valve 400 close water inlet pipe 120, and stop into water storage cavity 110 inject
Water；Further, when the controller 600, to detect water temperature in water butt 100 by temperature-detecting device 300 pre- less than second
If when temperature or four preset temperatures, and then controlling the heater 200 and being powered, it is pre- to be that water in water storage cavity 110 is heated to first
If stopping after temperature.When the electric heater is applied to public place, water storage is first heated due to adopting, decomposite mode is provided washes
Hot water is gargled, the power of the heater 200 is relatively low, the use electric line of public place need not be transformed, it is easy to utilize；While its gram
The waste heat problem of quick-heating type electric water heater has been taken, the waste heat of heater 200, balanced leaving water temperature has been made full use of.
The sealing means of the water butt 100 can be armouring, alternatively integral type welded seal；By plastics, rustless steel, copper
Form etc. material manufacture, the outer wall of the preferred water butt is provided with heat-insulation layer, desirably prevents the hot water heat stream in water butt
Lose；Further, the volume of the water butt 100 is 0.2L～0.8L, preferably 0.2L, 0.4L, 0.6L, 0.8L.The outlet pipe
130 outer wall is provided with heat dissipating layer, and the heat dissipating layer is preferably Graphene and is fabricated by, it is to avoid remain in the hot water temperature of outlet pipe too
Height, while the heat dissipating layer still has multiple projections, with enhancer area of dissipation.The heater 200 is rustless steel heating tube, copper conjunction
The heating element heaters such as golden heating tube, naked silk heater.
As shown in Figures 2 and 3, in the present embodiment, water storage cavity 110 include first end and be oppositely arranged with first end second
End, outlet pipe 130 are arranged at the first end of water storage cavity 110, and water inlet pipe 120 is arranged at the second end of water storage cavity 110；Outlet pipe
The centrage of the centrage of 130 water inlet and the outlet of water inlet pipe 120 is not in same straight line.Thus from water inlet pipe 120
The water that outlet is entered in water storage cavity 110 will not directly from the outflow of the water inlet of outlet pipe 130, and can with water storage cavity 110 in
Original hot water is just flowed out from the water inlet of outlet pipe 130 after being mixed, and then the water in water storage cavity 110 can be made fully to mix
Close, make the water temperature from the outflow of outlet pipe 130 more constant；Specifically, the cold water that water inlet pipe 120 is come in is from the middle and lower part of water storage cavity
The moment rushed forward lowers the temperature middle at first conjunction of hot water of middle and upper part in water storage cavity 110, and then cold water post continues up to walk, and is flushed to top
Bottom is poured in the backflow of portion end cap back reflection, is sufficiently mixed the water in water storage cavity 110.Further, first end is to the second end
Minimum range is h1, and the minimum range of the water inlet of the outlet to outlet pipe 130 of water inlet pipe 120 is h2,1/3h1≤h2≤2/
3h1；Thus position that can be according to the outlet of the water inlet size adjustment water inlet pipe 120 of water inlet pipe 120 in water butt 100, make
The water inlet of water inlet pipe 120 flows into the water of water butt 100 and is sufficiently mixed.The intake pressure of water storage cavity is more than or equal to
0.3MPa.Such as when triggering device detects someone's water, entering water electromagnetic valve 400 is automatically opened up, using tap water 0.3MPa-
The pressure moment of 0.4MPa carries out mixed water the top that cold water rushes in water storage cavity 110；The water for having been heated in water storage cavity 110 is 45
DEG C, inflow temperature is 5 DEG C, when using after mixing water water temperature can more than 35 DEG C a period of time, be entirely capable of meeting people uses water temperature
Degree (use after mixed water, cold water is constantly covered, and water temperature can be gradually reduced, but this period of enough personal uses).
In the present embodiment, the heating power of heater 200 is less than or equal to 2200W；Thus this electric heater is applied
In public place, it is that heater 200 provides power supply to be easy to using the existing electric line in public place.While heater 200
Terminals 220 pass through relay or controllable silicon and power on, and controller 600 is electrically connected with relay or controllable silicon；Thus just
Pass through the energization or power-off of relay or SCR control heater 200 in the controller 600.Heating part 210 in the shape of a spiral, is entered
The water side of water pipe 120 is arranged at the middle vacancy of heater 200；Thus it is easy to the outlet of the water inlet pipe 120 from water butt 100
Heated center to both sides spread, be sufficiently mixed the hot water in water storage cavity 110.
In the present embodiment, temperature-detecting device 300 is temperature sensor, and the inspection end of temperature sensor is arranged at water outlet
Between the outlet of the water inlet and outlet pipe 130 of pipe 130.Thus accurate leaving water temperature can be obtained, it is easy to controller 600 to lead to
The leaving water temperature for obtaining is crossed controlling the energization or power-off of heater 200.Simultaneously triggering device 500 be mechanical type triggering device or
Vicariouss triggering device；Mechanical type triggering device is hand switch, the one kind in microswitch；Vicariouss triggering device is infrared
One kind in line induction apparatuss, ultrasonic sensing device, laser inductor, touching type induction device.Thus can be at the switch of faucet
Hand switch is set, using the closure or openness of hand switch judging whether to need to use water；Or using the handle with faucet
The microswitch being engaged is judging whether to need to use water；Or such as determine whether that staff is close using infrared inductor, need
Hot water to be used, when infrared inductor senses staff, controls entering water electromagnetic valve 400 by controller 600 and opens, make storage
Hot water in water cavity 110 flows out, and provides hot water for people and washes one's face and rinses one's mouth.
In the present embodiment, for detecting the water detection means 700 for whether having water in water storage cavity 110, water detection means 700
Communicate to connect with controller 600.Thus can determine whether whether there is water in water storage cavity 110, and only when having water in water storage cavity 110, should
Heater 200 just can electrified regulation；And then 200 dry combustion method of heater can be avoided, burn out related components and parts (cut off the water supply when water supply line,
As water inlet pipe is opened in 300 action of entering water electromagnetic valve, the water in water storage cavity 110 can be flowed in water supply line from water inlet pipe 120, be caused
Water storage cavity 110 do not have it is anhydrous, now 200 heating power of heater interference easily cause local heating excessive and cause damage parts,
Even there is fire)；Also in having can determine whether water injection water storage cavity 110；The water detection means 700 is used to detect that water storage cavity is
It is no to have water (such as machine vision detection device, Water flow detector or device for detecting water pressure etc.), may be disposed in water storage cavity 110,
In water inlet pipe 120 or in outlet pipe 130.Further, water detection means 700 be for detect the Water flow detector of flow velocity or
For detecting the device for detecting water pressure of hydraulic pressure；Water flow detector includes that water flow sensing unit is electrically connected with water flow sensing unit
One analog-digital converter and first communication module, water flow sensing unit are electrically connected with the first analog-digital converter, the first analog-digital converter with
First communication module is electrically connected, and first communication module is communicated to connect with controller 600；Device for detecting water pressure includes that hydraulic pressure is sensed
The second analog-digital converter and second communication module that device is electrically connected with hydraulic pressure sensor, hydraulic pressure sensor and the second analog digital conversion
Device is electrically connected, and the second analog-digital converter is electrically connected with second communication module, and second communication module is communicated to connect with controller 600.
Thus can be by judging whether there is water in water storage cavity 110 for detecting the current or hydraulic pressure of water storage cavity 110, while also can determine whether
In whether having water injection water storage cavity 110, can also coordinate with temperature sensor, automatically control the energization or power-off of the heater 200,
Such as when having water and the water temperature to be less than the second preset temperature in water storage cavity 110, the heater 200 can heating power, to water storage cavity
Water in 110 is heated；Realize Water flow detector or device for detecting water pressure to communicate to connect with controller 600, the communication
It can also be wire communication connection that connected mode can be wireless communication connection.Further, water inlet pipe is additionally provided with check valve (not
Illustrate), the check valve is open-minded towards the direction of water storage cavity；And then the water of water storage intracavity can be avoided toward water supply line stream, cause water storage
Intracavity is anhydrous and causes heater dry combustion method.
Using mechanical type triggering device or vicariouss triggering device so that whether needed can with the concrete mode of water information
To be achieved by the prior art, will not be described here；Simultaneously how integrated temperature detection means, entering water electromagnetic valve, triggering device
And water detection means realizes the concrete side of the energization to heater or power-off, the closing of entering water electromagnetic valve or opening with controller
Formula can be achieved by the prior art, and will not be described here.
Beneficial effects of the present invention：
1st, can fitting limit it is wide, 10A sockets can use；Reduce electricity to add by the structure control scheme of heating energy storage and mixed water
The power of hot device, the public place of national building standard can be mounted directly use, wide adaptability.
2nd, the power of this heater is low, and waste heat is relative just low；Realize first mixing using relatively low power and water inlet structure mode
Water outlet again after water, also effectively slows down the problem that waste heat brings.
3rd, circuit system need not be transformed, there is no the cost for installing track remodelling.
4th, effectively solve the problems, such as to install in public places caused by electric power is big, be easy to have electricity for all
The standard public place in source provides hot water.
Each technical characteristic of embodiment described above arbitrarily can be combined, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore can not be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art comes
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of control method of electric heater, it is characterised in that comprise the steps：
When water demand information is received, new water is injected into water butt and is mixed with the storage water of the water butt memory storage
Close, water after mixing is flowed out from the outlet of the water butt；
When water demand information is not received, stop into the water butt injecting new water.
2. the control method of electric heater according to claim 1, it is characterised in that also include noting into the water butt
Water, the water heated in the water butt, when the water temperature in the water butt is more than or equal to the first preset temperature, stop heating
Water in the water butt.
3. the control method of electric heater according to claim 2, it is characterised in that only when depositing in the water butt
When the water yield of water storage is more than or equal to said preset amount of water, the water that heater is just powered, heats in the water butt.
4. the control method of electric heater according to claim 1, it is characterised in that when receiving water demand information
When, also comprise determining whether that new water injects the water butt；
When the water butt is injected without new water, heater power-off.
5. the control method of electric heater according to claim 4, it is characterised in that determine whether that new water injection is described
During water butt, also include that working as the water temperature in having the new water injection water butt and the water butt presets less than or equal to second
During temperature, heater is powered, the water heated in the water butt；
When the water temperature in the water butt is greater than or equal to three preset temperature, heater power-off.
6. the control method of electric heater according to claim 1, it is characterised in that stop injecting into the water butt
During new water, also including the water outflow stopped in the water butt.
7. the control method of electric heater according to claim 6, it is characterised in that also include having when the water butt
When water temperature in water and the water butt is less than or equal to four preset temperatures, heater is powered, heats in the water butt
Water；
When the water temperature in the water butt is greater than or equal to five preset temperature, heater power-off.
8. the control method of electric heater according to claim 7, it is characterised in that also include having when the water butt
When water temperature in water and the water butt is less than or equal to four preset temperatures, the duration of water demand information is not such as received
More than or equal to preset duration, heater power-off.
9. the control method of the electric heater according to any one of claim 1 to 8, it is characterised in that the water butt
Intake pressure is more than or equal to 0.3MPa.
10. a kind of electric heater, it is characterised in that using the controlling party of the electric heater described in any one of claim 1 to 9
Method, including：
Water butt, the water butt are provided with water storage cavity and the water inlet pipe for communicating with the water storage cavity respectively and outlet pipe；
Heater, heater are provided with the heating part and the terminals with power electric connection for being arranged at the water storage intracavity；
Temperature-detecting device, the temperature-detecting device are arranged in the water storage intracavity or the outlet pipe, for detecting water
Temperature；
Entering water electromagnetic valve, the entering water electromagnetic valve and the water inlet pipe are connected, the closing for controlling the water inlet pipe or opening；
For monitoring whether to need the triggering device with water, the triggering device to communicate to connect with the entering water electromagnetic valve；And
For controlling the controller of the energization or power-off of heater, the controller and the temperature-detecting device, the water inlet
Electromagnetic valve and triggering device communication connection；Wherein,
When controller receives the water demand information by the triggering device, the entering water electromagnetic valve action, opening
The water inlet pipe, is injected new water to the water storage cavity and is mixed with the storage water of the water storage cavity memory storage, water after mixing
Flow out from the outlet of the outlet pipe；
When controller does not receive the water demand information, the entering water electromagnetic valve action, the closing water inlet pipe stop
New water is injected to the water storage cavity.
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| CN201611104535.9A CN106524521B (en) | 2016-12-05 | 2016-12-05 | The control method and electric heater of electric heater |
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| CN201611104535.9A CN106524521B (en) | 2016-12-05 | 2016-12-05 | The control method and electric heater of electric heater |
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| CN106524521B CN106524521B (en) | 2019-10-11 |
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Cited By (4)
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| CN109442560A (en) * | 2018-09-29 | 2019-03-08 | 万家乐热能科技有限公司 | A method of it improving plate and changes formula burnt gas wall hanging furnace hot water performance |
| CN110332370A (en) * | 2019-08-09 | 2019-10-15 | 杭州超康电器有限公司 | A kind of band resets the electric hot water tap and its working method of function of temperature control |
| CN111207516A (en) * | 2020-02-27 | 2020-05-29 | 常熟高通智能装备有限公司 | Intelligent switch, water heater capable of intelligently controlling outlet water temperature and intelligent control method |
| CN112263144A (en) * | 2020-10-23 | 2021-01-26 | 佛山市顺德区美的饮水机制造有限公司 | Method, processor and device for water drinking equipment and water drinking equipment |
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| Publication number | Publication date |
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| CN106524521B (en) | 2019-10-11 |
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