CN102692078B - The control method of water heater - Google Patents

The control method of water heater Download PDF

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Publication number
CN102692078B
CN102692078B CN201110075884.3A CN201110075884A CN102692078B CN 102692078 B CN102692078 B CN 102692078B CN 201110075884 A CN201110075884 A CN 201110075884A CN 102692078 B CN102692078 B CN 102692078B
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CN
China
Prior art keywords
water heater
anode stub
control method
value
control circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201110075884.3A
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Chinese (zh)
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CN102692078A (en
Inventor
白宁
安荣栓
伯尔尼·施罗德
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BSH Electrical Appliances Jiangsu Co Ltd
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BSH Electrical Appliances Jiangsu Co Ltd
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Priority to CN201110075884.3A priority Critical patent/CN102692078B/en
Publication of CN102692078A publication Critical patent/CN102692078A/en
Application granted granted Critical
Publication of CN102692078B publication Critical patent/CN102692078B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses the control method of a kind of water heater, wherein, the anode stub that this water heater comprises an inner bag, is loaded in inner bag, and the control circuit being connected with anode stub, this control method includes: the parameter value of control circuit detection reflection anode stub content, and the parameter value recorded is compared with reference value, thus judge whether anode stub content reaches the first marginal value;If anode stub content reaches the first marginal value, sending information warning by alarming device, the intervalometer of control circuit starts timing;When intervalometer reaches very first time reference value T1, and control circuit enters non-operating mode.

Description

The control method of water heater
Technical field
The present invention relates to the control method of a kind of water heater being provided with anode stub, particularly relate to water heater anode bar The monitoring method of consumption situation.
Background technology
Storage-type electric water heater is high due to technology maturation, security performance, widely used by Chinese family institute at present. This electric heater generally includes the inner bag of water storage, is arranged on inner bag interior for adding the electrically heated rod of hot water, It is coated with heat-insulation layer outside the tank and shell.And inner bag base material is generally ferrum, easily by the electrolyte in water Corroded, affected the service life of machine.To this end, the inner bag of water heater often arranges an anode stub, This anode stub is made up higher than the metal of liner material of activity.According to electrochemical principle, due to anode metal Current potential is more negative, and it can provide cathode current by the electrolyte in water to protected inner bag, makes inner bag negative electrode Change and be not corroded.
But, along with the continuous flowing of electric current, while preventing inner bag corrosion, anode material is the most constantly Consume.Once anode material exhausts and changes the most in time, and water heater liner loses protection, will be corroded, sternly Ghost image rings service life and the using effect of water heater.
Notification number is that the Chinese patent of CN2773548Y discloses and a kind of shows anode stub consumption degree Water heater.But the consumption degree of anode stub is reflected by ammeter, the most intuitively, user easily ignores. And often to go when using to observe ammeter, it is inconvenient for.Notification number is that the China of CN2532421Y is special Profit discloses points out user the water heater of anode stub Expenditure Levels by alarm lamp or buzzer.But above-mentioned specially In profit and other prior aries, point out user simply by various modes.Carry if user is the most this Show, or do not know about the implication of prompting, or the long period does not uses water heater, then may still result in sun Extremely rod runs out of and causes the corrosion of inner bag.
Summary of the invention
It is an object of the invention to provide the control method of a kind of water heater, be prevented effectively from because of anode stub consumption Complete replacing and the corrosion of inner bag that causes.
The present invention is accomplished by above-mentioned purpose:
A kind of control method of water heater, wherein, this water heater comprises an inner bag, be loaded in inner bag one Individual anode stub, and the control circuit being connected with anode stub, this control method includes:
The parameter value of control circuit detection reflection anode stub content, and the parameter value recorded and reference value are done ratio Relatively, thus judge whether anode stub content reaches the first marginal value;
If anode stub content reaches the first marginal value, send information warning by alarming device, control circuit Intervalometer starts timing;
When intervalometer reaches very first time reference value T1, and control circuit enters non-operating mode.
As a further improvement on the present invention, the parameter value of control circuit n times detection reflection anode stub content, If wherein having N1 described parameter value less than reference value, judge that anode stub content reaches the first marginal value.
As a further improvement on the present invention, the parameter of described reflection anode stub content is the electricity by anode stub Flow valuve.
As a further improvement on the present invention, described information warning can show when water heater is not powered on Show.
As a further improvement on the present invention, certain interval of time between every twice detection of described parameter value.
As a further improvement on the present invention, when switching on power, within every 24 hours, carry out described ginseng The detection of numerical value.
As a further improvement on the present invention, after switching on power, carry out the inspection of the most described parameter value every time Survey.
As a further improvement on the present invention, non-operating mode includes " standby " pattern.
As a further improvement on the present invention, being again switched to mode of operation from standby mode, the persistent period reaches After the second temporal reference value T2, control circuit enters inoperable " dormancy " pattern.
As a further improvement on the present invention, non-operating mode includes inoperable " dormancy " pattern.
Compared with prior art, the invention has the beneficial effects as follows: send close to the when of ruing out of at anode stub Information warning reminds user to change anode stub, if user changes the most in time, non-by entering after time T1 Mode of operation is again reminded and supervises user to change anode stub, strengthens the prompting to user.Now need by Water heater is switched to mode of operation and is continuing with, or is directly entered park mode, unusable, until more Change anode stub, then serve the effect supervising and forcing user to change anode stub.It addition, the heat of the present invention Hydrophone is after loss anode stub being detected and non-immediate pressure power-off or " dormancy ", and user still has one section The stage of preparation of time, thus do not affect use.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of water heater one detailed description of the invention of the present invention;
Fig. 2 is the schematic block circuit diagram of control circuit in Fig. 1.
Detailed description of the invention
Fig. 1 show a detailed description of the invention of water heater of the present invention.In this embodiment with Water storing electric heating water As a example by device, certain present invention can also be applied to other kinds of water heater, such as gas heater etc..Hot water Device 10 includes the inner bag 1 for storing healed water.Generally be also wrapped on outside the tank shell (not shown), And the thermal insulation layer being filled with foamed material (as being made up) of polyurethane material being formed between inner bag and shell is (not Diagram).Inner bag 1 is substantially barrel-shaped in extend along longitudinal axis direction, and it has drum-shaped bucket wall, logical Often it is made up of ferrous metal, such as steel, ferrum etc..Equipped with an anode stub 2 in inner bag 1, anode stub 2 is general It is made up higher than the metal of liner material of activity, such as magnesium, aluminum etc..Anode stub 2 is filled by adapter 3 On inner bag 1.Wherein adapter 3 insulate with inner bag 1.Equipped with a screw 4 on inner bag 1, a control Circuit 5 processed is electrically connected with screw 4 and anode stub respectively by wire.
Shown in Fig. 2, control circuit 5 comprises the testing circuit 7, regularly controlled by central controller 6 Device 8, display 9 and mode of operation control module 11.
In order to monitor the Expenditure Levels of anode stub 2, after water heater 10 switches on power 2 minutes every time, with And when switching on power the set time of every day, such as 15 points, detection anode stub 2 state. This detection is realized by testing circuit 7.Carrying out practically mode is, testing circuit 7 was every inspection in 3 minutes Survey the current value by anode stub 2, if n times testing result having N1 primary current value less than reference value, then Think that the residue content of anode stub 2 has reached the first marginal value, need to remind user to change.Wherein, at this In embodiment, N is 10, and N1 is 7, and reference value is 0.6 milliampere.
After judging that anode stub 2 content reaches the first marginal value, central controller 6 controls display 9, display Information warning, shows the anode stub symbol of flicker the most over the display, or display anode stub be finished wait civilian Word information.In other embodiments, information warning can also be the signal lights of flicker or pass through buzzer Send caution sound etc..At the same time, central controller 6 control timer 8, feed them into time status.
User now should change anode stub 2, but also can also continue to use.Because now anode stub 2 is still The most completely depleted.If user has changed anode stub 2, testing circuit 7 in routine detection it finds that, Thus timeing closing device 8 and information warning.If user changes anode stub 2 the most in time, testing circuit 7 exists Routine detection all finds 10 detections have at least 7 times to be less than 0.6 by the current value of anode stub 2 Milliampere, then intervalometer 8 continues timing.
When intervalometer 8 reaches very first time reference value T1, such as two time-of-weeks, it is judged that anode stub 2 remains Content reaches the second marginal value, and central controller 6 controls mode of operation control module 11, makes water heater 10 Enter " standby " pattern, simultaneously intervalometer 8 reclocking.
Now user is reminded by second time needs to change anode stub.If user user has changed anode stub 2, inspection Slowdown monitoring circuit 7 in routine detection it finds that, thus more fresh information.Now, user still can be by heat Hydrophone 10 is switched to " work " pattern, is continuing with.But reach the second temporal reference value at intervalometer 8 In T2, such as 24 hours, if not changing anode stub 2, then central controller 6 controlled mode of operation control Module 11, makes water heater 10 enter inoperable " dormancy " pattern.Now user is changing anode stub Water heater 10 cannot be used before 2.
In another embodiment of the invention, when intervalometer 8 reaches very first time reference value T1, it is judged that sun Extremely rod 2 residue content reaches the second marginal value, and central controller 6 controls mode of operation control module 11, makes Water heater 10 enters inoperable " dormancy " pattern.
Preferably, the alarming device of prompting changing anode stub can integrated in integrated circuits, then at hot water Still information warning can be shown under the state that device does not connect power supply.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment is only Comprising an independent technical scheme, this narrating mode of description is only for clarity sake, this area Technical staff should be using description as an entirety, and the technical scheme in each embodiment can also be through suitably Combination, forms other embodiments that it will be appreciated by those skilled in the art that.

Claims (7)

1. a control method for water heater, wherein, the anode that this water heater comprises an inner bag, is loaded in inner bag Rod, and the control circuit being connected with anode stub, it is characterised in that this control method includes:
The parameter value of control circuit detection reflection anode stub content, and the parameter value recorded is compared with reference value, by This judges whether anode stub content reaches the first marginal value;
If anode stub content reaches the first marginal value, send information warning by alarming device, the intervalometer of control circuit Start timing;
When intervalometer reaches very first time reference value T1, and control circuit enters " standby " pattern in non-operating mode;
Again mode of operation it is switched to from " standby " pattern, after the persistent period reaches the second temporal reference value T2, control Circuit processed enters inoperable " dormancy " pattern in non-operating mode.
2. the control method of water heater as claimed in claim 1, it is characterised in that control circuit n times detection reflection anode The parameter value of rod content, if wherein having N1 described parameter value less than reference value, judges that anode stub content reaches first Marginal value.
3. the control method of water heater as claimed in claim 1, it is characterised in that the parameter of described reflection anode stub content For by the current value of anode stub.
4. the control method of water heater as claimed in claim 1, it is characterised in that described information warning can at water heater not Show under the state of energising.
5. the control method of water heater as claimed in claim 1, it is characterised in that every twice detection of described parameter value Between certain interval of time.
6. the control method of water heater as claimed in claim 1, it is characterised in that when switching on power, often The detection carrying out described parameter value in 24 hours.
7. the control method of water heater as claimed in claim 2, it is characterised in that carry out once after every time switching on power The detection of described parameter value.
CN201110075884.3A 2011-03-22 2011-03-22 The control method of water heater Expired - Fee Related CN102692078B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110075884.3A CN102692078B (en) 2011-03-22 2011-03-22 The control method of water heater

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Application Number Priority Date Filing Date Title
CN201110075884.3A CN102692078B (en) 2011-03-22 2011-03-22 The control method of water heater

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CN102692078A CN102692078A (en) 2012-09-26
CN102692078B true CN102692078B (en) 2016-08-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9618233B2 (en) 2014-09-18 2017-04-11 Haier Us Appliance Solutions, Inc. Method for determining whether a water heater appliance is operating with a timer switch

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2371509Y (en) * 1998-11-11 2000-03-29 佳欣企业股份有限公司 Safety alarm for gas water heater
DE10141743A1 (en) * 2001-08-29 2003-03-20 Christian Putz Electrolytic equipment preventing corrosion in water pipework includes monitoring and alarm system for anode state with switching on flow detection
CN2793637Y (en) * 2005-04-27 2006-07-05 赛德隆国际电器(中国)有限公司 Water heater with anode stub monitor
EP1813698A1 (en) * 2004-09-27 2007-08-01 Aos Holding Company Water storage device having a powered anode
TW200933102A (en) * 2008-01-28 2009-08-01 Jiann Jzaw Metal Industry Co Ltd Anode rod wear detection device for electrical storage water heater
CN101809376A (en) * 2007-08-28 2010-08-18 Aos控股公司 Storage-type water heater having tank condition monitoring features

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2371509Y (en) * 1998-11-11 2000-03-29 佳欣企业股份有限公司 Safety alarm for gas water heater
DE10141743A1 (en) * 2001-08-29 2003-03-20 Christian Putz Electrolytic equipment preventing corrosion in water pipework includes monitoring and alarm system for anode state with switching on flow detection
EP1813698A1 (en) * 2004-09-27 2007-08-01 Aos Holding Company Water storage device having a powered anode
CN2793637Y (en) * 2005-04-27 2006-07-05 赛德隆国际电器(中国)有限公司 Water heater with anode stub monitor
CN101809376A (en) * 2007-08-28 2010-08-18 Aos控股公司 Storage-type water heater having tank condition monitoring features
TW200933102A (en) * 2008-01-28 2009-08-01 Jiann Jzaw Metal Industry Co Ltd Anode rod wear detection device for electrical storage water heater

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Granted publication date: 20160817