CN106288359A - Water heater and control method thereof - Google Patents
Water heater and control method thereof Download PDFInfo
- Publication number
- CN106288359A CN106288359A CN201610847006.1A CN201610847006A CN106288359A CN 106288359 A CN106288359 A CN 106288359A CN 201610847006 A CN201610847006 A CN 201610847006A CN 106288359 A CN106288359 A CN 106288359A
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- China
- Prior art keywords
- anode
- inner bag
- water heater
- module
- plate device
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 185
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 238000005070 sampling Methods 0.000 claims abstract description 43
- 230000001143 conditioned effect Effects 0.000 claims abstract description 19
- 208000005156 Dehydration Diseases 0.000 claims description 20
- 230000002459 sustained effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 210000000232 gallbladder Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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
- 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
-
- 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- 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
Abstract
The invention discloses a kind of water heater and control method thereof, it relates to hot water engineering technical field, and this water heater includes: inner bag；The electrical heating elements being arranged in inner bag；The anode assembly being arranged in inner bag and install with inner container insulating, anode assembly at least includes first anode device and second plate device；The control unit of electrical heating elements work can be controlled, control unit includes: the sampling module being electrically connected with first anode device and second plate device and the MCU module being electrically connected with sampling module, sampling module is for gathering the signal of telecommunication between first anode device and second plate device, MCU module is used for receiving the signal of telecommunication and judges, when the signal of telecommunication meets pre-conditioned, control unit controls electrical heating elements and quits work and/or send warning such that it is able to is prevented effectively from water heater and is in dry-fire condition.
Description
Technical field
The present invention relates to hot water engineering technical field, particularly to a kind of water heater and control method thereof.
Background technology
In water heater, electrical heating elements is caused to damage in order to prevent the electrical heating elements in water heater to be in dry-fire condition
It is bad, it will usually to be provided with the device to the water level in water heater liner and then detection, so that water heater can interpolate that in its inner bag
Water level whether meet requirement, and then control whether to continue the water in inner bag is heated.
Chinese patent CN201401928Y discloses a kind of water heater, and it includes inner bag, adds heat pipe, will add heat pipe and be fixed on
Ring flange on inner bag, it also includes: the level electrode being fixed on water heater and reference electrode；The logical of heat pipe is added for control
Electricity or the processing unit of power-off, level electrode and reference electrode are connected with described processing unit.This water heater can effectively prevent
The situation adding heat pipe dry combustion method occurs.Above-mentioned water heater needs arrange the level electrode specially water level detected and reference
Two parts of electrode and then realize the function of water level detecting, so add the quantity of part in whole water heater, in realization
In the case of stating function, the structure of water heater is the most succinct.
Summary of the invention
In order to overcome the drawbacks described above of prior art, embodiment of the present invention technical problem to be solved there is provided one
Water heater and control method thereof, by anode assembly, it can detect whether the water level in inner bag meets requirement, it is to avoid hot water
Device is in dry-fire condition.
The concrete technical scheme of the embodiment of the present invention is:
A kind of water heater, including:
Inner bag；
It is arranged on the electrical heating elements in described inner bag；
The anode assembly being arranged in described inner bag and install with described inner container insulating, described anode assembly at least includes
One anode assembly and second plate device；
Can control the control unit of described electrical heating elements work, described control unit includes: fill with the described first anode
Put the sampling module being electrically connected with described second plate device and the MCU module being electrically connected with described sampling module, institute
State sampling module for gathering the signal of telecommunication between described first anode device and described second plate device, described MCU module
Judging for receiving the described signal of telecommunication, when the described signal of telecommunication meets pre-conditioned, described control unit controls described electricity
Heating element heater quits work and/or sends warning.
Preferably, described control unit also includes making described first anode device, described second plate device with interior
The break-make module that gallbladder connects or disconnects, described break-make module and described inner bag, described first anode device, described second plate dress
Put and be electrically connected with described MCU module.
Preferably, the telecommunications between described first anode device and described second plate device is gathered at described sampling module
Before number, described MCU module for sending control signal to described break-make module so that described first anode device, described second
Anode assembly is off with described inner bag respectively.
Preferably, described control unit also includes and described first anode device, described second plate device, described MCU
The module of falling pole that module is electrically connected, described MCU module is for sending control signal, the described module of falling pole to the described module of falling pole
For receiving described control signal so that the current direction between described first anode device and described second plate device is sent out
Raw reversion.
Preferably, the described module of falling pole at least have make electric current by described first anode device flow to described second plate dress
The first duty put and make described electric current by described second plate device flow to described first anode device second work
State, described MCU module can control described in the module of falling pole switched to the second duty or by described by the first duty
Two duties switch to described first duty.
Preferably, the minimum point of described first anode device is greater than or equal to the peak of described second plate device.
Preferably, the peak of described electrical heating elements is less than or equal to the minimum point of described first anode device.
Preferably, described first anode device and described second plate device are horizontally extending, the described first anode
Device is higher than described second plate device.
Preferably, described first anode device and described second plate device are horizontally extending, the described first anode
Device and described second plate device are in sustained height.
Preferably, described inner bag includes the first inner bag and is positioned at the second inner bag below described first inner bag, described first
Being connected between inner bag and described second inner bag, described first anode device is arranged on described first inner bag, described second sun
Pole device is arranged on described second inner bag.
Preferably, described first anode device is the first physics anode stub, and described second plate device is the second physics sun
Extremely rod.
Preferably, in described first anode device and described second plate device, at least one is electron anode.
Preferably, described anode assembly also includes the bottom being arranged on described inner bag the electricity extended to described inner bag top
Sub-anode.
Preferably, described inner bag includes the first inner bag and is positioned at the second inner bag of described first inner bag bottom, described electronics
Anode is arranged on the bottom of described second inner bag and extends in described first inner bag, and described first anode device is arranged on institute
Stating on the first inner bag, described second plate device is arranged on described second inner bag.
A kind of water heater, including:
Inner bag；
It is arranged on the electrical heating elements in described inner bag；
The anode assembly being arranged in described inner bag and install with described inner container insulating, described anode assembly at least includes
One anode assembly；
Can control the control unit of described electrical heating elements work, described control unit includes: fill with the described first anode
Put the sampling module being electrically connected with described inner bag and the MCU module being electrically connected with described sampling module, described sampling mould
Block is for gathering the signal of telecommunication between described first anode device and described inner bag, and described MCU module is used for receiving described telecommunications
Number judging, when the described signal of telecommunication meets pre-conditioned, described control unit controls described electrical heating elements and quits work
And/or send warning.
Preferably, described control unit also includes making described first anode device be connected with described inner bag or disconnects
Break-make module, described break-make module is electrically connected with described inner bag, described first anode device and described MCU module.
Preferably, before the signal of telecommunication that described sampling module gathers between described first anode device and described inner bag,
Described MCU module is for sending control signal to described break-make module so that described first anode device is in disconnected with described inner bag
Open state.
The control method of a kind of water heater, described water heater includes inner bag；It is arranged on the electrical heating elements in described inner bag；
The anode assembly being arranged in described inner bag and install with described inner container insulating, described anode assembly at least includes that the first anode fills
Putting and second plate device, described control method includes:
Gather the signal of telecommunication between described first anode device and described second plate device；
Judge that according to the described signal of telecommunication current state of described water heater, described current state include exsiccosis.
Preferably, described judge that the current state of described water heater includes according to the described signal of telecommunication:
When the described signal of telecommunication meets first pre-conditioned, then judge that described water heater is as exsiccosis；Described first presets
Condition is that currency reaches the first predetermined threshold value or changing value reaches the second predetermined threshold value.
Preferably, when the current state of described water heater is exsiccosis, disconnect the connection of electrical heating elements and power supply.
Preferably, by the current switching direction between described first anode device and described second plate device.
Preferably, also wrap before the signal of telecommunication between described collection described first anode device and described second plate device
Include: the electric connection of first anode device and second plate device and water heater liner will be each turned off.
Preferably, described method also includes: when described water heater is exsiccosis, then point out described exsiccosis.
Technical scheme has a following notable beneficial effect:
1, the gallbladder within it of the water heater in the present invention is provided with first anode device and second plate device, by detection
Resistance between first anode device and second plate device and then the water level in inner bag is detected, if the water that detection obtains
Position is unsatisfactory for requirement, then the electrical heating elements controlling water heater quits work and/or sends alarm, to avoid at water heater possibility
In dry-fire condition.
2, having, in water heater in the present invention, the module of falling pole, it enables to first anode device and second plate
Current direction switching direction between device, and then first anode device and second plate device can be suppressed to be passivated.
Accompanying drawing explanation
Accompanying drawing described here is only used for task of explanation, and is not intended to limit model disclosed by the invention by any way
Enclose.It addition, the shape of each parts in figure and proportional sizes etc. are only schematically, it is adapted to assist in the understanding of the present invention, and
It not shape and the proportional sizes specifically limiting each parts of the present invention.Those skilled in the art under the teachings of the present invention, can
To select various possible shape and proportional sizes to implement the present invention as the case may be.
Fig. 1 is the water heater of the present invention structural representation under an embodiment.
Fig. 2 is the water heater of the present invention structural representation under another embodiment.
Fig. 3 is the schematic diagram of water heater control unit of the present invention.
Fig. 4 is the water heater of the present invention structural representation under further embodiment.
Fig. 5 is the schematic diagram of the water heater of the present invention control unit under further embodiment.
The reference of the figures above: 1, inner bag；11, the first inner bag；12, the second inner bag；2, electrical heating elements；3, anode
Device；31, first anode device；32, second plate device；33, electron anode；4, control unit；41, sampling module；42、
MCU module；43, break-make module；44, the module of falling pole.
Detailed description of the invention
In conjunction with accompanying drawing and the description of the specific embodiment of the invention, it is possible to clearly understand the details of the present invention.But
It is, the detailed description of the invention of invention described herein to be only used for explaining the purpose of the present invention, and can not understand by any way
One-tenth is limitation of the present invention.Under the teachings of the present invention, technical staff is it is contemplated that the most possible change of based on the present invention
Shape, these are regarded as belonging to the scope of the present invention.
Fig. 1 is the water heater of the present invention structural representation under an embodiment, and Fig. 3 is that water heater of the present invention controls list
The schematic diagram of unit, as shown in Figure 1, Figure 3, applicant proposed a kind of water heater, including: inner bag 1；It is arranged on the electricity in inner bag 1
Heating element heater 2；Be arranged in inner bag 1 and with the anode assembly 3 of inner bag 1 insulating mounting, anode assembly 3 at least includes the first anode
Device 31 and second plate device 32；Can control the control unit 4 of electrical heating elements 2 work, control unit 4 includes: with first
Sampling module 41 that anode assembly 31 and second plate device 32 are electrically connected and the MCU mould being electrically connected with sampling module 41
Block 42, sampling module 41 is for gathering the signal of telecommunication between first anode device 31 and second plate device 32, and MCU module 42 is used
Judging in receiving the signal of telecommunication, when the signal of telecommunication meets pre-conditioned, control unit 4 controls electrical heating elements 2 and quits work
And/or send warning.
Inner bag 1 in this water heater has first anode device 31 and second plate device 32, if water in inner bag 1
When position exceedes first anode device 31 and second plate device 32, owing to water makes first anode device 31 and second plate device
Being conducted between 32, sampling module 41 can gather the signal of telecommunication between first anode device 31 and second plate device 32.With
The MCU module 42 that sampling module 41 is connected receives the signal of telecommunication and judges, MCU module 42 judges that the signal of telecommunication is unsatisfactory for presetting
During condition, it is however generally that, resistance between first anode device 31 and second plate device 32 can be gathered, if inner bag 1 not hydropenia,
Resistance can be in a certain scope, and water heater does not control electrical heating elements 2 and quits work and/or send warning.If in inner bag 1
Water level less than first anode device 31 and/or second plate device 32, then water cannot make first anode device 31 and second
Turning between anode assembly 32, resistance value generation cataclysm between the two increases, now, and first anode device 31 and second plate
Resistance between device 32 is very big, and sampling module 41 obtains the signal of telecommunication that resistance value is the biggest, i.e. represents hydropenia.Now, adopt
Original mold block 41 gathers the signal of telecommunication between first anode device 31 and second plate device 32, is connected with sampling module 41
MCU module 42 receives the signal of telecommunication and judges, it is pre-conditioned that MCU module 42 judges that the signal of telecommunication meets, and this is pre-conditioned is
The signal of telecommunication that one anode assembly 31 is corresponding when cannot be turned on by water with second plate device 32.Also just say, now interior
The below standard standard of water level in gallbladder 1, control unit 4 controls electrical heating elements 2 and quits work and/or send warning, and then avoids heat
In hydrophone, electrical heating elements 2 is in dry-fire condition.
In order to further appreciate that the water heater in the application, it will be further explained and illustrate below.Such as Fig. 1 institute
Showing, the inner bag 1 in this water heater can include the first inner bag 11 and be positioned at the second inner bag 12 below the first inner bag 11, in first
Being connected between gallbladder 11 and the second inner bag 12, first anode device 31 is arranged on the first inner bag 11, and second plate device 32 sets
Put on the second inner bag 12.First anode device 31 can be the first physics anode stub, and second plate device 32 can be second
Physics anode stub.First anode device 31 and the horizontally extending setting of second plate device 32, it can be protected with horizontal plane
The row that maintains an equal level is installed, it is also possible to and there is between horizontal plane certain angle installation.In the above case said, first anode device 31 is equal
Higher than second plate device 32.Certain, the minimum point that only need to meet first anode device 31 fills greater than or equal to second plate
The peak putting 32 is all feasible.It should be strongly noted that first anode device 31 and second plate device 32 are arranged on
Time on the inner bag 1 of water heater, it is all insulation with inner bag 1 at installed position, first anode device 31 and second plate device 32
Install, so, just can make the sampling module 41 being electrically connected with first anode device 31 and second plate device 32 can be right
Change in resistance between first anode device 31 and second plate device 32 detects, otherwise first anode device 31 and second
Anode assembly 32 can be constantly in electric connection state by inner bag 1, even if being in exsiccosis in inner bag 1 or water level is below standard
Standard, sampling module 41 can not collect the change of resistance, Jin Erwu between first anode device 31 and second plate device 32
Method detects in inner bag 1 and is in exsiccosis.
It is provided with the electrical heating elements 2 for water is heated in the first inner bag 11 and the second inner bag 12.Fig. 2 is this
Invention water heater structural representation under another embodiment, as in figure 2 it is shown, electrical heating elements 2 can extend longitudinally
Arrange, be located in the first inner bag 11 and the second inner bag 12 by the connectivity part of the first inner bag 11 and the second inner bag 12.At one
In preferred embodiment, the peak of electrical heating elements 2 is less than or equal to the minimum point of first anode device 31.So, when
When water in inner bag 1 is less than first anode device 31, acquisition module and MCU module 42 can carry out detecting and then determine inner bag 1
In be in exsiccosis, and then control electrical heating elements 2 and quit work, so can be prevented effectively from the highest of electrical heating elements 2
One section of position can be in dry-fire condition.In the embodiment that other is feasible, as it is shown in figure 1, electrical heating elements 2 is all right
Horizontally extending setting.Electrical heating elements 2 can be arranged in the first inner bag 11 and/or the second inner bag 12.Specifically,
Electrical heating elements 2 can be substantially parallel setting with horizontal direction, it is also possible to has certain angle with horizontal direction and arranges.In order to relatively
It is in dry-fire condition for being prevented effectively from the extreme higher position of electrical heating elements 2, in one preferred embodiment, electrical heating elements
The peak of 2 is less than or equal to the minimum point of first anode device 31.
Control unit 4 can control electrical heating elements 2 and work, comprising: with first anode device 31 and second plate device
Sampling module 41 that 32 are electrically connected and the MCU module 42 being connected with sampling module 41.When water heater carries out water level detecting,
Sampling module 41 is for gathering the signal of telecommunication between first anode device 31 and second plate device 32.If the water in inner bag 1
Position declines, and can make when water level is less than first anode device 31 cannot between first anode device 31 and second plate device 32
Connected by water, as shown in Figure 3, then the resistance R between first anode device 31 and second plate device 32 can occur suddenly
Becoming, now, MCU module 42 receives the signal of telecommunication and judges, the signal of telecommunication meets pre-conditioned.This is pre-conditioned can be the first sun
When cannot be connected by water between pole device 31 and second plate device 32, first anode device 31 and second plate device 32 it
Between the corresponding signal of telecommunication.So water heater just may determine that and obtains being in exsiccosis or water level deficiency in inner bag 1, controls single
Unit 4 controls electrical heating elements 2 and quits work and/or send warning.
In another embodiment, the inner bag 1 in this water heater can be one, arranges in this inner bag 1
First anode device 31 and second plate device 32.First anode device 31 is the first physics anode stub, second plate device 32
It it is the second physics anode stub.First anode device 31 and second plate device 32 can have multiple set-up mode, only need to meet the
The minimum point of one anode assembly 31 is greater than or equal to the peak of second plate device 32.Inner bag 1 is i.e. ensure that after so
In the height of water the resistance between first anode device 31 and second plate device 32 can be caused when dropping to a certain degree
Bigger change, in order to sampling module 41 detects.Specifically, first anode device 31 and second plate device 32 can edges
Horizontal direction extends, and first anode device 31, second plate device 32 have certain angle with horizontal plane.First anode device 31
Can also both be set in parallel with second plate device 32, meanwhile, first anode device 31, second plate device 32 and level
Mask has certain angle.First anode device 31 can also be horizontally extending with both second plate devices 32, and the most flat
Row is in sustained height in horizontal plane, first anode device 31 and second plate device 32.First anode device 31 and the second sun
As long as the set-up mode of pole device 32 meets when the water level decreasing in inner bag 1 is to having influence on first anode device 31 and second
Resistance between anode assembly 32 can occur the requirement of bigger change to be all feasible.In the present embodiment, electrical heating unit
If the peak of part 2 is less than or equal to the minimum point of first anode device 31, so it also is able to be prevented effectively from electrical heating elements 2
A section of highest position be in dry-fire condition.
The application utilizes the first anode device 31 arranged in inner bag 1 and second plate device 32 and then in inner bag 1
Water level detect, if the water level that obtains of detection is unsatisfactory for requirement, then the electrical heating elements 2 controlling water heater quits work
And/or send alarm, to avoid water heater to be likely to be at dry-fire condition.When water heater does not carries out water level detecting, the first anode
Device 31 and/or second plate device 32 can be electrically connected with inner bag, it is achieved the function of protection inner bag.The anode dress of the application
Put and can realize protecting inner bag can carry out again water level detecting, and then simplify the structure of water heater to a certain extent, it is not necessary to
Part or the device of other water level detecting are additionally set.
In one preferred embodiment, as it is shown on figure 3, control unit 4 also includes and inner bag 1, first anode device
31, second plate device 32 and MCU module 42 connect and first anode device 31, second plate device 32 can be made with interior
The break-make module 43 that gallbladder 1 connects or disconnects.When carrying out water level detecting, MCU module 42 is used for sending control signal, break-make module
43 are used for receiving control signal so that break-make module 43 controls first anode device 31, second plate when carrying out water level detecting
Device 32 being off respectively and between inner bag 1, say, that gather first anode device 31 He at sampling module 41
Before the signal of telecommunication between second plate device 32, MCU module is used for sending control signal to break-make module 43 so that first is positive
Pole device 31, second plate device 32 are off with inner bag 1 respectively.So that first anode device 31 and the second sun
Pole device 32 can have whether sensed water level meets the function required, when mounted, first anode device 31 and second plate
The inner bag 1 of device 32 and water heater is insulating mounting in the junction installed, and arranges and inner bag in the control unit 4 of water heater
1, the break-make module 43 that first anode device 31, second plate device 32 and MCU module 42 are connected.Break-make module 43 can make
First anode device 31, second plate device 32 are connected with inner bag 1 or disconnect.When water heater does not carries out water level detecting, break-make
Module 43 is so that first anode device 31, second plate device 32 respectively and are in electric connection state between inner bag 1.This
Sample, first anode device 31 and second plate device 32 can be realized as protecting inner bag, prevent the function that inner bag is corroded.
Break-make module 43 is able to receive that the control signal that MCU module 42 sends, and then makes when water heater carries out water level inspection
During survey, break-make module 43 enables to first anode device 31, second plate device 32 and respectively and is in disconnection shape between inner bag 1
State.After so, first anode device 31 and second plate device 32 cannot be by the inner bag 1 phase electrical communication of water heater, its
Can only keep electrical communication by the water in inner bag 1, so, sampling module 41 just can pass through first anode device 31 and second
Whether the water level during the change of the resistance of water detects inner bag 1 between anode assembly 32 meets requirement, and it is scarce whether water heater is in
Water state.
In one preferred embodiment, as it is shown on figure 3, water heater also includes the module of falling pole 44, itself and the first anode
Device 31, second plate device 32 and MCU module 42 are electrically connected, and MCU module 42 is for sending control letter to the module of falling pole 44
Number, the module of falling pole 44 for receiving control signal so that electric current stream between first anode device 31 and second plate device 32
To inverting.When carrying out water level detecting, the module of falling pole at least has makes electric current be flowed to the second sun by first anode device 31
First duty of pole device 32 and make electric current by second plate device 32 flow to first anode device 31 second work shape
State, MCU module 42 can control the module of falling pole 44 and be switched to the second duty or by the second duty by the first duty
Switch to the first duty.
In the present embodiment, when the first duty under water heater is in water level detecting state, MCU module 42
Go out control signal, second plate device 32 between first anode device 31 is applied with a magnitude of voltage, so that electric current is by first
Anode assembly 31 flows to second plate device 32, and in this stage, sampling module 41 can gather first anode device 31 and second
The magnitude of voltage that between anode assembly 32, the resistance of water is corresponding, and generate the signal of telecommunication, and then make water heater realize hydropenia detection
Function.When the second duty under water heater is in water level detecting state, MCU module 42 sends control signal, to first
A voltage contrary with under the first duty it is applied with between anode assembly 31 and second plate device 32, so that electric current
First anode device 31 is flowed to by second plate device 32.By the first duty and the continuous switching of the second duty,
Thus suppress first anode device 31 and second plate device 32 to be passivated, it is ensured that first anode device 31 and second plate dress
Put 32 surfaces and there is the good function replacing inner bag 1 to be first corroded.
In one preferred embodiment, anode assembly 3 also includes the bottom being arranged on inner bag 1 and to inner bag 1 top
The electron anode 33 extended.The enforcement of the first inner bag 11 and the second inner bag 12 being positioned at the first inner bag 11 bottom is included at inner bag 1
In mode, electron anode 33 can be arranged on the bottom of the second inner bag 12 and extend in the first inner bag 11, first anode device
31 are arranged on the firstth inner bag 11, and second plate device 32 is arranged on the second inner bag 12.When water heater carries out water level detecting
Time, water heater directly utilizes first anode device 31 and second plate device 32 completes the function of water level detecting.So, due to
It is off between one anode assembly 31 and second plate device 32 meeting and inner bag 1, does not i.e. turn between both and inner bag,
The protection to inner bag cannot be realized, it is possible to additionally by an electron anode 33, inner bag 1 is protected, prevent inner bag 1
It is corroded.And, after electron anode 33 is in failure state, and when water heater does not carries out water level detecting, then by break-make mould
Block 43 controls to be in connected state between at least one and inner bag 1 in first anode device 31 and second plate device 32, and then
By first anode device 31 and/or second plate device 32, inner bag is protected.Said structure enables to water heater and exists
Conventional electron anode 33 is preferably used when using, enable again after losing efficacy occurs in electron anode 33 first anode device 31 and/or
Inner bag 1 is protected by second plate device 32.In the embodiment that another is feasible, first anode device 31 and the second sun
Can be with at least one for electron anode 33 in pole device 32, it may be assumed that one of them is electron anode 33, another physics anode stub
1；Or two be electron anode 33.When water heater carries out water level detecting, water heater directly utilizes first anode device 31 He
Second plate device 32 completes the function of water level detecting.When water heater does not carries out water level detecting, the most directly by control unit 4
Control electron anode 33 directly inner bag to be protected.Certain, when water heater carries out water level detecting, water heater can be direct
First anode device 31 and second plate device 32 is utilized to complete the function of water level detecting, at the same time, it is also possible to by controlling
Unit 4 controls electron anode 33 and protects inner bag always.
Also proposed the control method of a kind of water heater in embodiments herein, described water heater includes inner bag；If
Put the electrical heating elements in described inner bag；The anode assembly being arranged in described inner bag and install with described inner container insulating, institute
Stating anode assembly and at least include first anode device and second plate device, described control method specifically includes following steps:
Before water level is detected by needs, disconnect described first anode device and described inner bag, described second plate dress
Put and the electric connection of described inner bag.
When water level is detected by needs, gather the electricity between described first anode device and described second plate device
Signal.This signal of telecommunication can be various ways, such as, can be current value signals, voltage value signal, resistance value signal etc..
Judge that according to the described signal of telecommunication current state of water heater, described current state include exsiccosis.Specifically, work as
The described signal of telecommunication meets first pre-conditioned, then judge that described water heater is as exsiccosis.Described first pre-conditioned be current
Value reaches the first predetermined threshold value or changing value reaches the second predetermined threshold value.When described water heater is exsiccosis, then point out institute
State exsiccosis.Water heater prompting mode can be multiple, such as by send alarm signal with notify user's water heater this
Time be in exsiccosis or by showing on panel that the forms such as hydropenia mark inform user.
When the current state of described water heater is exsiccosis, disconnect the connection of electrical heating elements and power supply.
The function of water level detecting can be completed by first anode device and described second plate device by above-mentioned steps.
Control method specifically can also comprise the following steps: during detecting water level, is filled by the first anode
Put the current switching direction between second plate device.Specifically, electric current is flowed to second plate by first anode device
Device, can gather the signal of telecommunication between first anode device and second plate device within the time period；The most again by electric current
Flowed to first anode device by second plate device, now can not gather between first anode device and second plate device
The signal of telecommunication, it is also possible to continue to gather the signal of telecommunication between first anode device and second plate device.Above-mentioned steps can be effective
Prevent first anode device and the passivation of second plate device during water level is detected.
Also proposed a kind of water heater in embodiments herein, Fig. 4 is that water heater of the present invention is another embodiment party
Structural representation under formula, Fig. 5 is the schematic diagram of the water heater of the present invention control unit under further embodiment, as Fig. 4,
Shown in Fig. 5, water heater includes: inner bag 1；The electrical heating elements 2 being arranged in inner bag 1；It is arranged in inner bag 1 and and inner container insulating
The anode assembly 3 installed, anode assembly 3 at least includes first anode device 31；The control list of electrical heating elements work 2 can be controlled
Unit 4, control unit 4 includes: the sampling module 41 that is electrically connected with first anode device 31 and inner bag 1 and with sampling module 41
The MCU module 42 being electrically connected, sampling module 41 is for gathering the signal of telecommunication between first anode device 31 and inner bag 1, MCU mould
Block 42 is used for receiving the signal of telecommunication and judges, when the signal of telecommunication meets pre-conditioned, control unit 4 controls electrical heating elements 2 and stops
Only work and/or send warning.
Inner bag 1 in this water heater has first anode device 31, if inner bag 1 middle water level exceedes first anode dress
When putting 31, owing to water makes to be conducted between first anode device 31 and inner bag 1, sampling module 41 can gather first anode dress
Put the signal of telecommunication between 31 and inner bag 1.The MCU module 42 being connected with sampling module 41 receives the signal of telecommunication and judges, MCU mould
Block 42 is judged when the signal of telecommunication is unsatisfactory for pre-conditioned, and water heater does not control electrical heating elements 2 and quits work and/or send report
Alert.If the water level in inner bag 1 is less than first anode device 31, then water cannot make first anode device 31 and inner bag 1 it
Between turn on, resistance value generation cataclysm between the two, now, sampling module 41 gathers between first anode device 31 and inner bag 1
The signal of telecommunication, the MCU module 42 being connected with sampling module 41 receives the signal of telecommunication and judges, MCU module 42 judges telecommunications
Number meeting pre-conditioned, it is corresponding when cannot be turned on by water with inner bag 1 for first anode device 31 that this is pre-conditioned
The signal of telecommunication.Also just say, the now below standard standard of water level in inner bag 1, control unit 4 control electrical heating elements 2 quit work and/or
Send warning, and then avoid electrical heating elements 2 in water heater to be in dry-fire condition.
Control unit 4 also includes the break-make module 43 that first anode device 31 can be made to be connected with inner bag 1 or disconnect, break-make
Module 43 is electrically connected with inner bag 1, first anode device 31 and MCU module 42.First anode device is gathered at sampling module 41
Before the signal of telecommunication between 31 and inner bag 1, MCU module 42 is used for sending control signal, and break-make module 43 is used for receiving control letter
Number so that when carrying out water level detecting break-make module 43 control to be in disconnection shape between first anode device 31 and inner bag 1
State.When water heater does not carries out water level detecting, break-make module 43 is so that be in electricity between first anode device 31 and inner bag 1
Property connection status.So, first anode device 31 can be realized as protecting inner bag 1, prevents the function that inner bag 1 is corroded.
Control unit 4 also includes the module of falling pole 43, MCU being electrically connected with first anode device 31, inner bag 1, MCU module
Module is for sending control signal to the module of falling pole 43, and the module of falling pole 43 is used for receiving control signal so that first anode device
Current direction between 31 and inner bag 1 inverts.Above-mentioned steps can effectively prevent during detecting water level
The passivation of first anode device 31.
In the description of the present application, it should be noted that unless otherwise prescribed and limit, term " is installed ", " being connected ",
" connect " and should be interpreted broadly, for example, it may be mechanically connected or electrical connection, it is also possible to be the connection of two element internals, can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with
The difference of other embodiments, between each embodiment, identical similar part sees mutually.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (23)
1. a water heater, it is characterised in that including:
Inner bag；
It is arranged on the electrical heating elements in described inner bag；
The anode assembly being arranged in described inner bag and install with described inner container insulating, described anode assembly at least includes the first sun
Pole device and second plate device；
Can control described electrical heating elements work control unit, described control unit includes: with described first anode device and
Sampling module that described second plate device is electrically connected and the MCU module being electrically connected with described sampling module, described in adopt
Original mold block is for gathering the signal of telecommunication between described first anode device and described second plate device, and described MCU module is used for
Receiving the described signal of telecommunication to judge, when the described signal of telecommunication meets pre-conditioned, described control unit controls described electrical heating
Element quits work and/or sends warning.
Water heater the most according to claim 1, it is characterised in that described control unit also includes making described first sun
The break-make module that pole device, described second plate device are connected with inner bag or disconnect, described break-make module and described inner bag, described
First anode device, described second plate device and described MCU module are electrically connected.
Water heater the most according to claim 2, it is characterised in that gather described first anode device at described sampling module
With before the signal of telecommunication between described second plate device, described MCU module is for sending control signal to described break-make module
So that described first anode device, described second plate device are off with described inner bag respectively.
Water heater the most according to claim 1, it is characterised in that described control unit also includes filling with the described first anode
Put, the module of falling pole that described second plate device, described MCU module are electrically connected, described MCU module is for the described mould of falling pole
Block sends control signal, and the described module of falling pole is used for receiving described control signal so that described first anode device and described
Current direction between two anode assemblies inverts.
Water heater the most according to claim 4, it is characterised in that the described module of falling pole at least has makes electric current by described
One anode assembly flows to the first duty of described second plate device and makes described electric current by described second plate device stream
To the second duty of described first anode device, described MCU module can control described in the module of falling pole by the first duty
Switch to the second duty or switched to described first duty by described second duty.
Water heater the most according to claim 1, it is characterised in that the minimum point of described first anode device is greater than or equal to
The peak of described second plate device.
Water heater the most according to claim 1, it is characterised in that the peak of described electrical heating elements is less than or equal to institute
State the minimum point of first anode device.
Water heater the most according to claim 6, it is characterised in that described first anode device and described second plate device
Horizontally extending, described first anode device is higher than described second plate device.
Water heater the most according to claim 2, it is characterised in that described first anode device and described second plate device
Horizontally extending, described first anode device and described second plate device are in sustained height.
Water heater the most according to claim 1, it is characterised in that described inner bag includes the first inner bag and is positioned at described the
The second inner bag below one inner bag, is connected between described first inner bag and described second inner bag, and described first anode device sets
Putting on described first inner bag, described second plate device is arranged on described second inner bag.
11. water heaters according to claim 1, it is characterised in that described first anode device is the first physics anode stub,
Described second plate device is the second physics anode stub.
12. water heaters according to claim 1, it is characterised in that described first anode device and described second plate dress
In putting, at least one is electron anode.
13. water heaters according to claim 1, it is characterised in that described anode assembly also includes being arranged on described inner bag
Bottom and to described inner bag top extend electron anode.
14. water heaters according to claim 13, it is characterised in that described inner bag includes the first inner bag and is positioned at described the
Second inner bag of one inner bag bottom, described electron anode is arranged on the bottom of described second inner bag and extends into described first inner bag
In, described first anode device is arranged on the first inner bag described in, and described second plate device is arranged on described second inner bag
On.
15. 1 kinds of water heaters, it is characterised in that including:
Inner bag；
It is arranged on the electrical heating elements in described inner bag；
The anode assembly being arranged in described inner bag and install with described inner container insulating, described anode assembly at least includes the first sun
Pole device；
Can control described electrical heating elements work control unit, described control unit includes: with described first anode device and
Sampling module that described inner bag is electrically connected and the MCU module being electrically connected with described sampling module, described sampling module is used
In the signal of telecommunication gathered between described first anode device and described inner bag, described MCU module is used for receiving the described signal of telecommunication and enters
Row judge, when the described signal of telecommunication meets pre-conditioned, described control unit control described electrical heating elements quit work and/or
Send warning.
16. water heaters according to claim 15, it is characterised in that described control unit also includes making described first
The break-make module that anode assembly is connected with described inner bag or disconnects, described break-make module and described inner bag, described first anode dress
Put and be electrically connected with described MCU module.
17. water heaters according to claim 16, it is characterised in that gather described first anode dress at described sampling module
Before putting the signal of telecommunication between described inner bag, described MCU module for sending control signal to described break-make module so that institute
State first anode device to be off with described inner bag.
The control method of 18. 1 kinds of water heaters, described water heater includes inner bag；It is arranged on the electrical heating elements in described inner bag；
The anode assembly being arranged in described inner bag and install with described inner container insulating, described anode assembly at least includes that the first anode fills
Put and second plate device, it is characterised in that described control method includes:
Gather the signal of telecommunication between described first anode device and described second plate device；
Judge that according to the described signal of telecommunication current state of described water heater, described current state include exsiccosis.
The control method of 19. water heaters according to claim 18, it is characterised in that described judge according to the described signal of telecommunication
The current state of described water heater includes:
When the described signal of telecommunication meets first pre-conditioned, then judge that described water heater is as exsiccosis；Described first pre-conditioned
Reach the first predetermined threshold value for currency or changing value reaches the second predetermined threshold value.
The control method of 20. water heaters according to claim 19, it is characterised in that described control method also includes: when
When the current state of described water heater is exsiccosis, disconnect the connection of electrical heating elements and power supply.
The control method of 21. water heaters according to claim 18, it is characterised in that described control method also includes:
By the current switching direction between described first anode device and described second plate device.
The control method of 22. water heaters according to claim 18, it is characterised in that the described first anode of described collection fills
Also include before putting the signal of telecommunication between described second plate device: first anode device and second plate dress will be each turned off
Put the electric connection with water heater liner.
The control method of 23. water heaters according to claim 19, it is characterised in that described method also includes: when described
Water heater is exsiccosis, then point out described exsiccosis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847006.1A CN106288359B (en) | 2016-09-23 | 2016-09-23 | Water heater and control method thereof |
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| CN201610847006.1A CN106288359B (en) | 2016-09-23 | 2016-09-23 | Water heater and control method thereof |
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| CN106288359A true CN106288359A (en) | 2017-01-04 |
| CN106288359B CN106288359B (en) | 2022-02-15 |
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|---|---|---|---|---|
| DE3916847A1 (en) * | 1989-05-24 | 1990-11-29 | Norsk Hydro Magnesium | Electrical corrosion protection for water container - has e.g. water heater element as anode and container wall as cathode with pole-reversal protection diode between their connectors |
| CN2562130Y (en) * | 2002-07-31 | 2003-07-23 | 合肥荣事达有限责任公司 | Electric water heater against dry heating |
| CN102226574A (en) * | 2004-09-27 | 2011-10-26 | Aos控股公司 | Water storage device having a powered anode |
| CN201401928Y (en) * | 2009-04-03 | 2010-02-10 | 海尔集团公司 | Electric water heater |
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|---|---|
| CN106288359B (en) | 2022-02-15 |
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