CN104833081A - Water heater having anode bar loss detection prompting function and control method thereof - Google Patents
Water heater having anode bar loss detection prompting function and control method thereof Download PDFInfo
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- CN104833081A CN104833081A CN201510271817.7A CN201510271817A CN104833081A CN 104833081 A CN104833081 A CN 104833081A CN 201510271817 A CN201510271817 A CN 201510271817A CN 104833081 A CN104833081 A CN 104833081A
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- water heater
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- inner bag
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Abstract
Provided are a water heater having an anode bar loss detection prompting function and a control method thereof. The water heater comprises an inner container arranged inside a housing, an anode bar, an electric heating tube and a control mainboard responsible for water heater control, wherein the anode bar and the electric heating tube are installed inside the inner container. The water heater further comprises a current detection circuit, wherein the current detection circuit is connected with an alarm prompting circuit and is installed outside the inner container. The control method of the water heater comprises the steps of 1S starting the control mainboard of the water heater, supplying water and electricity for the water heater and starting a water heater heating circuit, 2S detecting the loss situation of the anode bar, and 3S enabling the water heater heating circuit and the current detection circuit to be automatically powered off when the temperature of the water heater is up to predetermined temperature. The water heater can automatically detect protective current according to the actual using environments of different uses and self factors and judge the loss situation of the anode bar, and it is ensured that the anode bar conducts comprehensive protection on the electric heater and the inner container.
Description
Technical field
The present invention relates to household appliance technical field, particularly relate to the water heater and the control method thereof that detect prompt facility with anode stub loss.
Background technology
The inner bag of the pot-type boiler overwhelming majority is all the enamel inner container be made up of carbon steel material on the market at present, for preventing inner bag from corroding, the magnesium rod as sacrificial anode rod or aluminium bar being housed usually on water heater liner, further protecting inner bag.
Because anode stub is arranged on water heater inside, user is difficult to understand anode stub Expenditure Levels, and add that the water quality of water heater operating area, user's design temperature, inner bag enamel quality equal difference are different, the service life of anode stub is not identical yet.For the area that water quality is good, anode stub can reach 3-4 service life, and the area of water quality inferiority, use 1-2 anode stub with regard to approach exhaustion.If user changes anode stub not in time, water heater liner will lose protection, causes inner bag corrode and leak, even causes the personal injuries such as electric shock.
At present, most of water heater anode bar and inner container insulating are installed, and carried out contrast judged whether to need to change anode stub by the protective current that detects between anode stub and inner bag with standard protective current value.Although can test protective current, only arrange a fixing protective current value, when the protective current of surveying is less than this fixing protective current value, prompting user anode stub exhausts and needs to change.Because the aspects such as the performance of water heater own, user's occupation mode, local water quality, inner bag enamel quality there are differences; there will be real protection electric current higher or lower than standard protective current value; evening too early or will be spent like this to remind; cause replacing improper for opportunity; tear open early and be not finished; replacing can cause waste, has torn inner bag open late and has just started corrosion, do not had the effect of sustainable protection.In addition, the current value between anode stub and inner bag is very little, and detection module sampling detects the electric current inaccuracy obtained, and application condition is large, not easily realizes in actual production.
Summary of the invention
In order to solve the problems of the technologies described above; the present invention proposes a kind of water heater and the control method thereof that detect prompt facility with anode stub loss, and the technical program had both slowed down the loss of anode stub, protection electrothermal tube; can detect again the loss situation of anode stub in real time, prompting user changes magnesium rod early.
To achieve these goals, technical scheme of the present invention is:
A kind of water heater detecting prompt facility with anode stub loss, comprise the inner bag being placed in enclosure, be installed on anode stub and the electric heating tube of inner bag inside, be responsible for the control mainboard controlling water heater, also comprise current detection circuit, current processing circuits and alarm circuit, described current detection circuit is installed on inner bag outside, and described current detection circuit comprises the dc source be sequentially connected in series, digital electronic ammeter A1, change-over switch, digital electronic ammeter A2, balance resistance R; Described balance resistance R is connected electric heating tube with the node between dc source, node jointed anode rod between described change-over switch and digital electronic ammeter A2, described anode stub directly contacts with inner bag is nonisulated, and described electric heating tube and inner bag are by insulating part insulated contact; Subtracter, input linking number word current Table A 1 and the digital electronic ammeter A2 of described subtracter; First digital comparator, the input of described first digital comparator connects the output of described subtracter; Timer, the control end of described timer connects the output of the first comparator; Second comparator, the output of the input connection timer of described second comparator; Described second digital comparator connects described alarm circuit.
Also comprise temp probe and data selector, it is inner that described temp probe is arranged on described inner bag, described temp probe connection data selector, described data selector connects described control mainboard and the 3rd digital comparator respectively, described 3rd digital comparator controls change-over switch, and described change-over switch is digital switch or relay switch.
Described anode stub is directly threaded by the screw base be welded on inner bag and reliable conducting, and temperature sensor is arranged in electric heating tube.
Described anode stub to be arranged on electric heating tube and by insulation spacer and electric heating tube insulating mounting, to be fastenedly connected by wire and inner bag simultaneously.
Described alarm circuit comprises audible-visual annunciator, the positive pole of described audible-visual annunciator connects voltage source V DD, the colelctor electrode of the negative pole connecting triode Q2 of described audible-visual annunciator, the base stage of described triode Q2 connects the output of the second digital comparator, the grounded emitter of described triode Q2.
Described alarm circuit comprises audible-visual annunciator, the positive pole of described audible-visual annunciator connects voltage source V DD, the colelctor electrode of the negative pole connecting triode Q2 of described audible-visual annunciator, the base stage of described triode Q2 connects the output of the second digital comparator, the grounded emitter of described triode Q2.
Detect a control method for the water heater of prompt facility with anode stub loss, it is characterized in that, comprise step:
1S, opens the control mainboard of water heater, to water heater water flowing energising, starts water heater heater circuit;
2S, detects the loss situation of anode stub:
21S, is energized to current detection circuit, preset standard protective current I in current processing circuits
n;
22S, electric current I on measuring circuit electrical measurement main circuit main line
1, measure the electric current I on balance resistance R
2;
23S, calculates the protective current I between anode stub and electric heating tube, I=I
1-I
2;
24S, compares protective current I and standard protective current I
n, as I≤I
ntime, when utilizing timer and the holding time of record; When timer, to add up timing constantly little more than 72, starts alarm circuit, and anode stub is changed in prompting;
3S, when water heater reaches preset temperature, water heater heater circuit and the equal auto-breaking of current detection circuit.
Described step 1S comprises step:
211S, is heated to 18 DEG C-22 DEG C by electric heating tube by the water in inner bag;
212S, closed path testing circuit switch conducts current testing circuit.
Standard protective current I in described step 24S
naccording to the test of standard QB/T2590-2003 (storage water heater's enamel product) Annex B standard protective current, the theoretical value of testing standard protective current value.
Beneficial effect of the present invention is: the insulating mounting eliminated between anode stub and inner bag is arranged, convenient installation; And switched between balance resistance and protective current testing circuit by change-over switch, both slowed down the loss of anode stub, protection electrothermal tube, can detect again the loss situation of anode stub in real time, and prompting user changes magnesium rod early, extends the service life of water heater; Existing current detection circuit sampling is inaccurate, and the present invention adds dc source, is indirectly exaggerated current value, and such sampling rate is comparatively accurate, and error is little, adopts digital electronic ammeter to carry out real-time measuring data simultaneously and further reduces measure error.
Accompanying drawing explanation
Fig. 1 structural representation of the present invention;
Fig. 2 treatment circuit structure chart;
Fig. 3 alarm circuit structure diagram;
Fig. 4 specific embodiment of the invention 1;
Fig. 5 specific embodiment of the invention 2;
The flow chart of Fig. 6 the method for the invention.
Wherein, 1, anode stub; 2, inner bag; 3, electric heating tube; 4, insulator; 5, balance resistance; 6, change-over switch; 7, dc source; 9, current processing circuits; 10, alarm circuit; 11, screw base; 12, temp probe.
Detailed description of the invention
In order to better understand technical scheme of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of water heater detecting prompt facility with anode stub loss, comprises the inner bag 2 being placed in enclosure, be installed on anode stub and the electric heating tube of inner bag inside, be responsible for the control mainboard controlling water heater, current detection circuit, current processing circuits 9 and alarm circuit 10, described current detection circuit is installed on inner bag outside, described current detection circuit comprises the dc source 7 be sequentially connected in series, digital electronic ammeter A1, change-over switch 6, digital electronic ammeter A2, balance resistance R5; Described balance resistance R5 is connected electric heating tube 3 with the node between dc source 7, node jointed anode rod 1 between described change-over switch 6 and digital electronic ammeter A2, described anode stub 1 directly contacts with inner bag 2 is nonisulated, and described electric heating tube 3 and inner bag 2 are by insulating part 4 insulated contact.Digital electronic ammeter A1 and A2 can by the current values of measurement be transferred to next attaching parts by interface.Anode stub, electric heating tube and civil power form the heater circuit of water heater, control mainboard and control whole heater circuit, for realize water heater reservation, regularly, the function such as heating mode.Balance resistance R5 limits the protective current between electric heating tube 3 and anode stub 1, the most of priority protection electrothermal tube 3 effectively preventing anode stub 1 from consuming, and to inner bag 2 wall protection weaken phenomenon.
As shown in Figure 2, described processing of circuit unit comprises:
Subtracter, input linking number word current Table A 1 and the digital electronic ammeter A2 of described subtracter;
First digital comparator, the input of described first digital comparator connects the output of described subtracter;
Timer, the control end of described timer connects the output of the first comparator; Timer is high level pulse chronograph mechanism, namely starts timing when control end input high level, when control end input low level is not-time.
Second comparator, the output of the input connection timer of described second comparator;
Described second digital comparator connects described alarm circuit.
As shown in Figure 2, a kind of water heater detecting prompt facility with anode stub loss, also comprise temp probe and data selector, it is inner that described temp probe is arranged on described inner bag, described temp probe connection data selector, described data selector connects described control mainboard and the 3rd digital comparator respectively, and described 3rd digital comparator controls change-over switch 6, and described change-over switch 6 is digital switch or relay switch.After water heater starts heating, judge the heating mode of water heater, when heating mode is half courage pattern, by upper probe temperature T
onas described inner bag water temperature; When heating mode is whole courage pattern, by upper probe temperature T
underas described inner bag water temperature.Upper probe temperature T is selected by data selector
onstill lower probe temperature T
underas inner bag water temperature.
As shown in Figure 3, described alarm circuit comprises audible-visual annunciator, the positive pole of described audible-visual annunciator connects voltage source V DD, the colelctor electrode of the negative pole connecting triode Q2 of described audible-visual annunciator, the base stage of described triode Q2 connects the output of the second digital comparator, the grounded emitter of described triode Q2.
As shown in Figure 4, described anode stub 1 is directly threaded by the screw base 11 be welded on inner bag 2 and reliable conducting, be threaded connection fastening while also seal reliably; Temperature sensor 12 is arranged in electric heating tube 3.
As shown in Figure 5, described anode stub 1 to be arranged on electric heating tube 3 and by insulation spacer and electric heating tube 3 insulating mounting, to be fastenedly connected by wire and inner bag 2 simultaneously, this mounting structure make anode stub 1 and inner bag 3 nonisulated assemble convenient, time saving and energy saving, be convenient to the replacing of anode stub.
As shown in Figure 6, a kind of control method detecting the water heater of prompt facility with anode stub loss, comprises step:
1S, opens the control mainboard of water heater, to water heater water flowing energising, starts water heater heater circuit;
2S, detects the loss situation of anode stub:
21S, is energized to current detection circuit, preset standard protective current I in current processing circuits
n;
22S, electric current I on measuring circuit electrical measurement main circuit main line
1, measure the electric current I on balance resistance R
2;
23S, calculates the protective current I between anode stub and electric heating tube, I=I
1-I
2;
24S, compares protective current I and standard protective current I
n, as I≤I
ntime, when utilizing timer and the holding time of record; When timer, to add up timing constantly little more than 72, starts alarm circuit, and anode stub is changed in prompting;
3S, when water heater reaches preset temperature, water heater heater circuit and the equal auto-breaking of current detection circuit.
Described step 1S comprises step:
211S, is heated to 18 DEG C-22 DEG C by electric heating tube by the water in inner bag;
212S, closed path testing circuit switch conducts current testing circuit.
Standard protective current I in described step 24S
naccording to the test of standard QB/T2590-2003 (storage water heater's enamel product) Annex B standard protective current, the theoretical value of testing standard protective current value.
Standard protective current I in described step 24S
ndetermination can also in the following way:
1, water heater installs first water flowing energising, and makes water temperature reach 20 DEG C, and current detection circuit measures N (N >=1) the secondary protective current value recorded, and averages, and Extrapolation goes out the electrical conductivity of installation environment;
2, after water heater energising, current detection circuit detected once every one hour, treatment circuit record, continuously record N days, N>=1, and calculating detects the mean value of electric current as standard current value I
n;
3, according to frequency of utilization, the service condition such as use water quality, occupation mode etc. of water heater, after motion tracking a period of time, recalculate value draw standard protective current value I
n.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (9)
1. detect a water heater for prompt facility with anode stub loss, comprise the inner bag being placed in enclosure, be installed on anode stub and the electric heating tube of inner bag inside, be responsible for the control mainboard controlling water heater, it is characterized in that, also comprise current detection circuit, current processing circuits and alarm circuit, described current detection circuit is installed on inner bag outside, described current detection circuit comprises the dc source be sequentially connected in series, digital electronic ammeter A1, change-over switch, digital electronic ammeter A2, balance resistance R; Described balance resistance R is connected electric heating tube with the node between dc source, node jointed anode rod between described change-over switch and digital electronic ammeter A2, described anode stub directly contacts with inner bag is nonisulated, and described electric heating tube and inner bag are by insulating part insulated contact; Subtracter, input linking number word current Table A 1 and the digital electronic ammeter A2 of described subtracter; First digital comparator, the input of described first digital comparator connects the output of described subtracter; Timer, the control end of described timer connects the output of the first comparator; Second comparator, the output of the input connection timer of described second comparator; Described second digital comparator connects described alarm circuit.
2. the water heater detecting prompt facility with anode stub loss according to claim 1, it is characterized in that, also comprise temp probe and data selector, it is inner that described temp probe is arranged on described inner bag, described temp probe connection data selector, described data selector connects described control mainboard and the 3rd digital comparator respectively, and described 3rd digital comparator controls change-over switch, and described change-over switch is digital switch or relay switch.
3. the water heater detecting prompt facility with anode stub loss according to claim 1 and 2, is characterized in that, described anode stub is directly threaded by the screw base be welded on inner bag and reliable conducting, and temperature sensor is arranged in electric heating tube.
4. according to claim 1 and 2ly detect the water heater of prompt facility with anode stub loss, it is characterized in that, described anode stub to be arranged on electric heating tube and by insulation spacer and electric heating tube insulating mounting, to be fastenedly connected by wire and inner bag simultaneously.
5. the water heater detecting prompt facility with anode stub loss according to claim 3, it is characterized in that, described alarm circuit comprises audible-visual annunciator, the positive pole of described audible-visual annunciator connects voltage source V DD, the colelctor electrode of the negative pole connecting triode Q2 of described audible-visual annunciator, the base stage of described triode Q2 connects the output of the second digital comparator, the grounded emitter of described triode Q2.
6. the water heater detecting prompt facility with anode stub loss according to claim 4, it is characterized in that, described alarm circuit comprises audible-visual annunciator, the positive pole of described audible-visual annunciator connects voltage source V DD, the colelctor electrode of the negative pole connecting triode Q2 of described audible-visual annunciator, the base stage of described triode Q2 connects the output of the second digital comparator, the grounded emitter of described triode Q2.
7., based on the control method detecting the water heater of prompt facility with anode stub loss described in claim 1-6, it is characterized in that, comprise step:
1S, opens the control mainboard of water heater, to water heater water flowing energising, starts water heater heater circuit;
2S, detects the loss situation of anode stub:
21S, is energized to current detection circuit, preset standard protective current I in current processing circuits
n;
22S, electric current I on measuring circuit electrical measurement main circuit main line
1, measure the electric current I on balance resistance R
2;
23S, calculates the protective current I between anode stub and electric heating tube, I=I
1-I
2;
24S, compares protective current I and standard protective current I
n, as I≤I
ntime, when utilizing timer and the holding time of record; When timer, to add up timing constantly little more than 72, starts alarm circuit, and anode stub is changed in prompting;
3S, when water heater reaches preset temperature, water heater heater circuit and the equal auto-breaking of current detection circuit.
8. the control method detecting the water heater of prompt facility with anode stub loss according to claim 7, it is characterized in that, described step 1S comprises step:
211S, is heated to 18 DEG C-22 DEG C by electric heating tube by the water in inner bag;
212S, closed path testing circuit switch conducts current testing circuit.
9. the control method detecting the water heater of prompt facility with anode stub loss according to claim 7, is characterized in that, the standard protective current I in described step 24S
naccording to the test of standard QB/T 2590-2003 (storage water heater's enamel product) Annex B standard protective current, the theoretical value of testing standard protective current value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510271817.7A CN104833081A (en) | 2015-05-25 | 2015-05-25 | Water heater having anode bar loss detection prompting function and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510271817.7A CN104833081A (en) | 2015-05-25 | 2015-05-25 | Water heater having anode bar loss detection prompting function and control method thereof |
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|---|---|
| CN104833081A true CN104833081A (en) | 2015-08-12 |
Family
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|---|---|---|---|
| CN201510271817.7A Pending CN104833081A (en) | 2015-05-25 | 2015-05-25 | Water heater having anode bar loss detection prompting function and control method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397211A (en) * | 2020-04-13 | 2020-07-10 | 杭州吉虹日用品有限公司 | Automatic magnesium rod replacing and cleaning inner container device for water heater |
| CN112213360A (en) * | 2020-09-29 | 2021-01-12 | 宁波方太厨具有限公司 | Anode rod detection device for water heater and water heater |
| CN112212507A (en) * | 2020-09-29 | 2021-01-12 | 宁波方太厨具有限公司 | Heat exchanger and water heater comprising same |
| CN112229873A (en) * | 2020-09-29 | 2021-01-15 | 宁波方太厨具有限公司 | Detection apparatus for anode rod consumes among water heater and water heater |
| WO2022223008A1 (en) * | 2021-04-21 | 2022-10-27 | 瑞美(中国)热水器有限公司 | Water heater using electronic anode bar in combination with magnesium bar, and inner container protection method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189054A (en) * | 1981-05-15 | 1982-11-20 | Daikin Ind Ltd | Detector for consumption of anode bar for corrosion prevention |
| DE102004004064A1 (en) * | 2003-01-29 | 2004-08-12 | Vaillant Gmbh | The assembly to monitor sacrifice anode wear, in a hot water tank, has a circuit with electrical connections to the anode and the tank wall for the current to be compared against a threshold |
| CN201553780U (en) * | 2009-08-21 | 2010-08-18 | 杭州晶华微电子有限公司 | Detecting device for water heater liner magnesium rod consumption |
| CN104110855A (en) * | 2014-05-21 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater and anode bar consumption amount calculating device and method of water heater |
| CN104152914A (en) * | 2013-05-14 | 2014-11-19 | 青岛经济技术开发区海尔热水器有限公司 | Anode bar consumption detection prompt device, detection prompt method and water heater |
| CN204028032U (en) * | 2014-07-25 | 2014-12-17 | 苏州路之遥科技股份有限公司 | A kind of inner container of electric water heater corrosion detection circuitry |
| CN204705019U (en) * | 2015-05-25 | 2015-10-14 | 山东新基德电器有限公司 | The water heater of prompt facility is detected with anode stub loss |
-
2015
- 2015-05-25 CN CN201510271817.7A patent/CN104833081A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57189054A (en) * | 1981-05-15 | 1982-11-20 | Daikin Ind Ltd | Detector for consumption of anode bar for corrosion prevention |
| DE102004004064A1 (en) * | 2003-01-29 | 2004-08-12 | Vaillant Gmbh | The assembly to monitor sacrifice anode wear, in a hot water tank, has a circuit with electrical connections to the anode and the tank wall for the current to be compared against a threshold |
| CN201553780U (en) * | 2009-08-21 | 2010-08-18 | 杭州晶华微电子有限公司 | Detecting device for water heater liner magnesium rod consumption |
| CN104152914A (en) * | 2013-05-14 | 2014-11-19 | 青岛经济技术开发区海尔热水器有限公司 | Anode bar consumption detection prompt device, detection prompt method and water heater |
| CN104110855A (en) * | 2014-05-21 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater and anode bar consumption amount calculating device and method of water heater |
| CN204028032U (en) * | 2014-07-25 | 2014-12-17 | 苏州路之遥科技股份有限公司 | A kind of inner container of electric water heater corrosion detection circuitry |
| CN204705019U (en) * | 2015-05-25 | 2015-10-14 | 山东新基德电器有限公司 | The water heater of prompt facility is detected with anode stub loss |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397211A (en) * | 2020-04-13 | 2020-07-10 | 杭州吉虹日用品有限公司 | Automatic magnesium rod replacing and cleaning inner container device for water heater |
| CN111397211B (en) * | 2020-04-13 | 2020-11-06 | 浙江鸿乐光热科技有限公司 | Automatic magnesium rod replacing and cleaning inner container device for water heater |
| CN112213360A (en) * | 2020-09-29 | 2021-01-12 | 宁波方太厨具有限公司 | Anode rod detection device for water heater and water heater |
| CN112212507A (en) * | 2020-09-29 | 2021-01-12 | 宁波方太厨具有限公司 | Heat exchanger and water heater comprising same |
| CN112229873A (en) * | 2020-09-29 | 2021-01-15 | 宁波方太厨具有限公司 | Detection apparatus for anode rod consumes among water heater and water heater |
| CN112212507B (en) * | 2020-09-29 | 2022-03-29 | 宁波方太厨具有限公司 | Heat exchanger and water heater comprising same |
| WO2022223008A1 (en) * | 2021-04-21 | 2022-10-27 | 瑞美(中国)热水器有限公司 | Water heater using electronic anode bar in combination with magnesium bar, and inner container protection method |
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Application publication date: 20150812 |
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