CN101069038B - Accumulator electric water heater, flange for accumulator electric water heater and control method for water heater scaling - Google Patents
Accumulator electric water heater, flange for accumulator electric water heater and control method for water heater scaling Download PDFInfo
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- CN101069038B CN101069038B CN2005800412335A CN200580041233A CN101069038B CN 101069038 B CN101069038 B CN 101069038B CN 2005800412335 A CN2005800412335 A CN 2005800412335A CN 200580041233 A CN200580041233 A CN 200580041233A CN 101069038 B CN101069038 B CN 101069038B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000004571 lime Substances 0.000 claims abstract description 65
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 63
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 63
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000010304 firing Methods 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 238000004364 calculation method Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/284—Methods of steam generation characterised by form of heating method in boilers heated electrically with water in reservoirs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/212—Temperature of the water
- F24H15/223—Temperature of the water in the water storage tank
- F24H15/225—Temperature of the water in the water storage tank at different heights of the tank
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/281—Input from user
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/288—Accumulation of deposits, e.g. lime or scale
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/395—Information to users, e.g. alarms
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/40—Control of fluid heaters characterised by the type of controllers
- F24H15/486—Control of fluid heaters characterised by the type of controllers using timers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/212—Water-boiling vessels, e.g. kettles with signaling means, e.g. whistling kettles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
Abstract
The present invention relates to a water heater (1), preferably of the accumulator type, comprising a water heating means (4) and a sheath (5) containing one or more sensors, conceived to measure the temperature of the water in proximity to said water heating means (4), characterised in that it comprises means (6) for reading the presence of lime scaling on said water heating means (4), said reading means (6) using the temperature information of said sensor/s (5) during the heating stage of said means (4); also included in the description is a flange (3) for a water heater and a method for controlling the forming of lime scaling.
Description
Technical field
The present invention relates to a kind of preferably storage-type electric water heater, the flange that is used for this water heater, with a kind of water heater that is used for, on water heater spare, form the control method of lime scale, and the serviceability temperature sensor is to be presented at the lime scale that exists on the water heater spare in the water heater.
The present invention also may be used on a kind of gas fired accumulator water heater, perhaps at least one those types that is applied to, and wherein water heats by the smoke pipe that is arranged in the same storage-type water tank.
Background technology
Below, will only make an explanation so that be easier to understand, but ought to understand in conjunction with storage-type electric water heater, at least according to above explanation, all aspects of the described resistor of reference can also identical condition be applied to described smoke pipe.
The electric heater of prior art generally includes a water tank and a kind of dress rolled over flange that disposes one or more resistor, a kind of sleeve pipe and a kind of erosion protection system that comprises one or more thermostatic sensor.
Though in the middle of the modal thermostat, the most universal use is to be called as on the market " rod-type ", be called as subsequently " the ball formula " thermostat, both all have motor operation, electromic thermostat also has use, wherein sensor is generally a kind of NTC.
Even electronic sensor is comparatively expensive, yet they have the advantage of controlling temperature very exactly, and only needs very low extra cost and suitable electronic logic, they just can carry out other supplementary functions such as timing or water temperature signal transmission.
Be equipped with at least two sensors that are configured to have between mutually enough separating distances at electromic thermostat along vertical line, it can also obtain the composition data of relevant described hot water in storage-type electric water heater, because be the product on market in recent years, this is a kind of common technology.
At present after a certain period, just can produce integrity problem at water heater common on the market.
Specifically, the lime that is deposited on gradually on the heating resistor can contact and wrap the sleeve pipe of thermostatic sensor (many thermostatic sensors) at leisure, so that lower the usefulness of hot junction between described sensor and the described hot water and produce heat bridge between described heating resistor and described sleeve pipe.
When measuring water temperature, just can cause error like this.
In fact, described heat bridge makes temperature sensor heat more quickly compared with the water in the water tank, and therefore the water temperature reading that provides exceeds actual temperature.
In addition, when lime formed around the described resistor, this can cause superheated, the noise effect of typical surface water boiling and cause and quicken to degenerate.
In order to be controlled at calculus black dirt on the resistor, must carry out regular control test, and want the flange of dismounting on water heater.
These regular control operations cause increasing the maintenance of many operating costs and described water heater.
Because existing, lime changed by the diabatic process of heating component to water, therefore well-known, and identical in other condition, lime is arranged or do not have under the situation of lime the temperature difference that occurs in the preferable position of serviceability temperature sensor detection hot water apparatus.
JP 01 103 395 has disclosed how to utilize a plurality of a plurality of locational sensors that are fixed on and same surface cumulative apart from the heat exchange surface distance, obtains a kind of graphics of the thickness of deposits that may form on heat-exchanger surface.
It is possible surveying sedimental thickness, has significantly different because the sensor of covering for described deposit detects temperature with the temperature that contacts in liquid phase.
The purpose of the solution that is disclosed in described file is to seek to be used for the solution of the heat exchanger of nuclear power facility; The big quantity sensor of its demand, this differs greatly with economy and the practical used in water heater.
EP0947767, EP1108385, CH691948, GB2358971 and 6B2404099 all measure the temperature in heating component and adopt the lkd layer on the described heating component to produce overtemperature, and described heating component internal temperature is improved.Just simply with temperature of surveying and the threshold ratio that does not surpass, their calculate the described heating component internal temperature and the temperature difference that adds between the hot water temperature earlier at one of them (CH691948) to their great majority, again with this temperature difference and the threshold ratio that do not surpass.Though this group all files adopts identical method basically, yet, even about the same, between described use device is mutual very big difference is arranged, this is owing to the relation of the actual characteristic of the heating component that adopts so that can not derive general device from its design.Can not provide a kind of lime sniffer that does not have obviously to change the heating component structure like this, and the machinery of described device partly also can not be used for electric heater, and can only be used for gas water heater or storage-type and immediately heating water heater.
Though lime fouling increment is well-known to negative effect above-mentioned on the cooling-water temperature sensor, yet, do not draw a solution yet with the alternating temperature-changing signal of inconvenience detector as lime precipitation.
The purpose of this patent invention is to solve at least partly problem of existing water heater, is meant above-described problem particularly.
Specifically, the purpose of this patent invention is to provide the apparatus and method that can send signal at the formation of lime scale apace.
Summary of the invention
Above-mentioned purpose realizes according to following technology contents.
The invention provides the control method that forms lime scale on a kind of water heater spare of water heater, described method is used one or more temperature information detailed contents of representing the coolant-temperature gage value, wherein,
-obtain first temperature information in the first area of contiguous described water heater, wherein at least between the elementary period of heating period, owing to may on water heater spare, existing lime that coolant-temperature gage is affected,
-obtain second a possible temperature information at the irrelevant second area of its coolant-temperature gage and lime scale thickness; And
-described one or more temperature informations are used to calculating the numerical value of representative in the function of variation of the time of described temperature value generation or spatial diversity in the predetermined time interval of heating period;
Described method may further comprise the steps:
-lime scale still do not have or very light first with reference to the heating period during and in described predetermined time interval, calculate the predetermined reference value of described function;
-remember described predetermined reference value;
-during any further heating period with in identical predetermined time interval, read current one or more temperature informations;
-calculate the currency of described function from described current temperature information;
-more described currency and described predetermined reference value;
-as described currency (T
1-T
2) above described predetermined reference value (△ T
0) time or as described currency (G1
f) above described predetermined reference value (G1
0) the blocked up signal of certain threshold value (△ G) time emission lime scale,
At least during described predetermined time interval, the described predetermined reference value of described function and described currency relatively present representative in the lip-deep lime of described water heater spare or the similarly increase of the time durations of thickness.
The present invention also provides a kind of water heater, energy storage type preferably,
It comprises a water heater spare and sleeve pipe, and described sleeve pipe contains one or more sensor that is designed to measure water temperature, in,
At least one first sensor of-described one or more temperature sensor is configured near in the first area of described water heater spare, wherein at least between the elementary period of heating period, owing to may on heater element, existing lime that coolant-temperature gage is affected
A second possible sensor of-described one or more temperature sensor is configured in its coolant-temperature gage and the irrelevant second area of lime scale thickness;
Described water heater comprises a device, and this device comprises calculation element, and this calculation element is suitable at least
-accept predetermined reference value and/or predetermined threshold and from one or more temperature informations of described one or more sensors,
-use described one or more temperature informations to calculate representative to occur in that time on the described temperature value changes or the numerical value of the function of spatial diversity,
-remember the predetermined value and the described calculated value of described acceptance,
-more described memory value,
The too many signal of lime scale is represented in-emission,
To be easy to realize one or more method according to claim 1 to 10.
The present invention also provides the flange of water heater, wherein,
-described water heater is according to above-mentioned water heater,
-described flange comprises described one or more sensor and comprises the described device of described calculation element.
Further advantage can also obtain by the mode of the described complementary features of following embodiment.
Below, in conjunction with the accompanying drawings possibility embodiment of the present invention is made an explanation
Description of drawings
Figure 1 shows that the front cut-away view of an electric heater;
Figure 2 shows that one is used for the partial front cut-away view of the flange of water heater according to first embodiment;
Figure 3 shows that one is used for the partial front cut-away view of the flange of water heater according to second embodiment;
Figure 4 shows that the layout drawing of the algorithm that thermograde is calculated;
Figure 5 shows that according to first embodiment curve map that does not have lime respectively and use the temperature after 27 days to rise;
Figure 6 shows that the curve map that rises in the temperature that does not have under the situation of lime according to second embodiment;
Figure 7 shows that according to second embodiment curve map that uses the temperature of water heater after 130 days to rise.
The specific embodiment
In the accompanying drawings, numbering 1 all refers to a kind of water heater of preferably storage-type, it comprises a water tank 2 and a flange 3, it disposes one or more resistors 4, one comprises that one or more sensors 6.1 or 6.2 and 6.3 are in order to read the water temperature in the described water tank and to transmit signal to the sleeve pipe 5 (being generally a kind of electronic installation, not shown in the figures) of device and anticorrosion device 7 preferably at last.
According to the present invention, during heating, the lime scale that occurs on resistor 4 can be by adopting respectively temperature data t6.1 or the T from described sensor 6.1 or 6.2 and 6.3
1And T
2And read.
Best is, described sensor 6.1 or 6.2 with 6.3 with described water heater thermostat adopt the sort of identical, it is necessary for electron type in this case; Be more preferably, according to the present invention, determine a kind of single-electron device, it can be at the formation of lime scale and sends signal, also carries out such as constant temperature simultaneously and/or calculates the hot water amount and/or send the function of water temperature signal.
According to first embodiment, the layout drawing that reaches among Fig. 2 among Fig. 4 is depicted as definite a kind of single temperature sensor 6.1 that is arranged near resistor 4.
Judgement according to those skilled in the art, it should be noted that, " approaching " speech is interpreted as the distance between described resistor 4 and described single temperature sensor 6.1, it is like this, it is just begun forms, but the thickness lime scale before that arrives the damage that causes irreparability covers.
For an example, in the family expenses water heater, described distance was lacked 60mm and was more preferably and lacked 50mm, even was more preferably and lacked 40mm.
Described sensor 6.1 preferably is arranged at the height of low described resistor 4 maximum heights; Yet it can be arranged on the height that exceeds described resistor 4, and condition is that this height can begin to form in lime scale, but reaches before the damage that causes irreparability.
Below will make more detailed explanation, the temperature data t6.1 that reads by sensor 6.1 can compare with the thickness relevant for the lime scale that forms on resistor 4.
For this purpose, described electronic installation comprises a kind of in order to judge the water firing rate G1 near resistor 4
fAnd with described firing rate and reference value calculating device (simulated or datumization) relatively.
Described reference value is preferably based on relevant for reference firing rate G1
0, it meets the firing rate that obtains under lime scale or the low-down lime scale level not having.
Described with reference to firing rate G1
0According to the kind of water heater, and more particularly, be to change according to installation power and geometry.
Each described firing rate G1
fSurpass described with reference to firing rate G1
0During certain threshold value △ G, just this is regarded as enough thickly formed lime scale, need keep in repair.
The speed of measuring is fast more, and is just big more by being arranged at temperature t 6.1 and the gap between the actual water temperature in the described water heater measured near the temperature sensor 6.1 of resistor 4.
Therefore, the growth of lime scale is in heating during back first minute, by measuring the actual firing rate G1 near described resistor 4
fAnd this speed do not had lime scale or when lime scale is very slight with meeting, and the reference firing rate G1 of the firing rate of acquisition
0Relatively calculate.
Shown in Fig. 5 being one does not have the calculus black dirt and uses water heater after 27 days, reads the example that temperature rises by the probe that approaches described resistor.
After described water heater was brought into use, lime precipitation was on described resistor subsequently in case reach, and described firing rate just can thereby increase.
Preferably also can determine to use other device to allow that with storage and/or adjustment the user presets or revise the reference firing rate G1 of described speed
0
In beginning just between installation period, provide can store described with reference to firing rate G1
0Device, described with reference to firing rate G1
0Can also self-control.
Described threshold value △ G changes with the type of using water heater, and during use, it can be preset or revise, and in more general type, its numerical value is between 3 to 5 ℃/minute.
According to a kind of preferable operator scheme, described firing rate is perhaps measured when water temperature reaches 30 ℃ in the predetermined time interval that is no more than 5 minutes.
In fact, have and do not have the main reading difference between the heating curves that lkd layer occurs can reach about 30 ℃ of temperature, it reached in 5 minutes basically.
As firing rate G1 near described resistor
fSurpass predetermined reference firing rate G1
0During certain threshold value △ G, perhaps, in other words, when lime scale is enough thick need keep in repair the time, prediction vision and/or audible signal are as alarm.
Reach as shown in Figure 3 among Fig. 4 shown in the layout drawing, according to another embodiment of the present invention, described water heater is equiped with a first sensor 6.2 that is disposed near described resistor 4, and second temperature sensor 6.3 that is disposed at apart from resistor 4 a certain distances.
Be used to measure temperature T
1First sensor 6.2 be disposed in the heating region, perhaps with the same terms of first embodiment explanation under, be disposed in the zone of a little higher than described heating region.
Even described second sensor 6.3 is disposed at apart from the position of described resistor certain distance so that energy measurement has the actual temperature T of the heating water capacity of lime scale existence
2
For this reason, described second sensor 6.3 is disposed at substantially apart from described resistor 4 100mm at least, and best 150mm at least.
By described sensor 6.2 and 6.3 couples of thermograde T that read
1-T
2Thickness that can be relevant with lime scale relatively.
Fig. 6 and 7 is shown as and works as described resistance under brand-new state, and after having used 130 days, respectively by described two temperatures probe and described thermograde progress T
1-T
2The example that the temperature that reads rises.
Use after the described water heater, and cause that also lime scale gathers described thermograde T on described resistor
1-T
2Then increase thereupon.
For this purpose, described electronic installation comprises calculating device (simulated or datumization), and it is near described two sensors and accurately at one time in order to measure the thermograde T of described water
1-T
2, and with this thermograde and reference gradient △ T
0Relatively.
Described reference gradient △ T
0Type with water heater becomes, and specifically, become with installation power and geometrization, and give be limited with about do not have or situation that considerably less lime forms under.
For more common type, described reference gradient △ T
0In 20 to 30 ℃ of scopes.
Preferably provide device to be used for storing and/or regulating described reference gradient △ T
0, it can make the user preset and/or revise described gradient.
Between initial installation period, provide the device that can store described reference gradient, described reference gradient △ T
0Can also self-control.
Each thermograde T through measuring
1-T
2Surpass described predetermined reference gradient △ T
0The time, the lime scale of formation then is enough to lower the efficient of described water heater, and therefore, described water heater just need keep in repair.
Described thermograde is preferably at whole period of heating of measurements, and is more preferably, and is no more than in 5 minutes in heat time heating time, perhaps meets in described resistor 6.2 does not exceed time of 30 ℃.
If described reference gradient △ T
0Reading when surpassing, the formation of superfluous lime scale is then sent signal by the mode of vision and/or audible signal.
Propose display showing described firing rate or describedly to add how time to time change of thermal gradient, and make described user can be controlled at the formation of lime scale on the described resistor.
Except that vision and/or audible signal send the signal, described water heater can also provide a kind of system so that transfer the state of shutting to.
In another embodiment, carrying out a kind of specific control operation is feasible with the quantity of checking lime scale.
This operation determines that resistor has enough time heating so that calculate described firing rate or described thermograde, and it and described reference value are compared.
Be preferably less than 5 minutes described heat time heating time.
Advantageously, described water heater can also possess remote control transmitter spare to send the lime scale read signal.
Ought to remember, be used for water heater, it has possessed a kind of constant temperature/electronic installation with additional function of narrating (timer, add water capacity reading or the like) in brief introduction, except promoting computing capability and signal/activating appts output, the present invention can use basically and not think any extra cost.
Claims (19)
1. the water heater spare (4) of water heater (1) is gone up the control method that forms lime scale, and described method is used and represented coolant-temperature gage value (t6.1; T
1, T
2) one or more temperature information (t6.1; T
1, T
2) detailed content, it is characterized in that,
-obtain the first temperature information (t6.1 in the first area of contiguous described water heater (4); T
1), wherein at least between the elementary period of heating period, owing to may on water heater spare (4), existing lime to make coolant-temperature gage (t6.1; T
1) be affected,
-at its coolant-temperature gage (T
2) obtain second a possible temperature information (T with the irrelevant second area of lime scale thickness
2); And
-described one or more temperature information (t6.1; T
1, T
2) be used in the predetermined time interval of heating period, calculating representative at described temperature value (t6.1; T
1, T
2) time of taking place changes or the function (G1 of spatial diversity
0, G1
fΔ T
0.T
1-T
2) currency (G1
fT
1-T
2);
Described method may further comprise the steps:
-lime scale still do not have or very light first with reference to the heating period during and in described predetermined time interval, receive described function (G1
0, G1
f△ T
0, T
1-T
2) predetermined reference value (G1
0Δ T
0);
-remember described predetermined reference value (G1
0Δ T
0);
-during any further heating period with in identical predetermined time interval, read current one or more temperature information (t6.1; T
1, T
2);
-from described current temperature information (t6.1; T
1, T
2) calculate described function (G1
0, G1
fΔ T
0, T
1-T
2) currency (G1
fT
1-T
2);
-more described currency (G1
fT
1-T
2) and described predetermined reference value (G1
0Δ T
0);
-as described currency (T
1-T
2) above described predetermined reference value (△ T
0) time or as described currency (G1
f) above described predetermined reference value (G1
0) the blocked up signal of certain threshold value (△ G) time emission lime scale,
At least during described predetermined time interval, described function (G1
0, G1
fΔ T
0, T
1-T
2) described predetermined reference value (G1
0, △ T
0) and described currency (G1
fT
1-T
2) relatively present representative in the lip-deep lime of described water heater spare (4) or the similarly increase of the time durations of thickness.
2. the control method of formation lime scale according to claim 1 is characterized in that, described method is further comprising the steps of:
To deliver to Long-distance Control from the signal of lime scale reading.
3. the control method of formation lime scale according to claim 1 and 2 is characterized in that, described predetermined time interval was less than or equal to 5 minutes.
4. the control method of formation lime scale according to claim 1 and 2 is characterized in that,
Described predetermined time interval is the described temperature value (t6.1 for obtaining in described first area; T
1) reach one and be not higher than 30 ℃ necessary time of temperature.
5. the control method of formation lime scale according to claim 1 and 2 is characterized in that,
Described predetermined reference value (G1
0Δ T
0) and described predetermined threshold (△ G) can be by default and/or modification and/or self-control.
6. the control method of formation lime scale according to claim 1 and 2 is characterized in that,
-described function (G1
0, G1
fΔ T
0, T
1-T
2) be the firing rate (G1 of water
0, G1
f),
-described temperature information (t6.1; T
1, T
2) be the temperature of in described first area, obtaining (t6.1),
-described predetermined reference value (G1
0, Δ T
0) be predetermined heat speed (G1 at described first water that in described first area, takes place during with reference to the heating period
0),
-described currency (G1
fT
1-T
2) be the actual firing rate (G1 of the water that in the described first area of described any further heating period, takes place
f).
7. the control method of formation lime scale according to claim 6 is characterized in that, as the actual firing rate (G1 of water
f) surpass the predetermined heat speed (G1 of the water of predetermined threshold (△ G)
0) time, the blocked up signal of emission lime scale, described predetermined threshold (△ G) is in 3 to 5 ℃ of/minute scopes.
8. the control method of formation lime scale according to claim 1 and 2 is characterized in that,
-described temperature information (t6.1; T
1, T
2) be the temperature (T that obtains in described first area
1) and the temperature (T that obtains at described second area
2),
-described function (G1
0, G1
fΔ T
0, T
1-T
2) be the described temperature (T that in described first and second zones, obtains
1, T
2) between thermograde (T
1-T
2),
-described predetermined reference value (G1
0, Δ T
0) be at described first predetermined reference gradient (the Δ T with reference to the heating period generation
0),
-described currency (G1
fT
1-T
2) be the thermograde (T that during described any further heating period, takes place
1-T
2).
9. the control method of formation lime scale according to claim 8 is characterized in that, described predetermined reference gradient (Δ T
0) in 20 to 30 ℃ of scopes.
10. a water heater (1),
It comprises a water heater spare (4) and sleeve pipe (5), and described sleeve pipe contains one or more sensor (6.1 that is designed to measure water temperature; 6.2,6.3), it is characterized in that,
-described one or more temperature sensor (6.1; 6.2,6.3) at least one first sensor (6.1; 6.2) be configured near in the first area of described water heater spare (4), wherein at least between the elementary period of heating period, owing to may on heater element (4), existing lime to make coolant-temperature gage (t6.1; T
1) be affected,
-described one or more temperature sensor (6.1; 6.2,6.3) possible second sensor (6.3) be configured in its coolant-temperature gage (T
2) and the irrelevant second area of lime scale thickness;
Described water heater (1) comprises a device (6), and this device (6) comprises calculation element (6.4), and this calculation element is suitable at least
-accept predetermined reference value (G1
0Δ T
0) and predetermined threshold (Δ G) and from described one or more sensors (6.1; 6.2) one or more temperature information (t6.1; T
1-T
2),
The described one or more temperature information (t6.1 of-use; T
1-T
2) calculate representative and occur in described temperature value (t6.1; T
1, T
2) on time change or the function (G1 of spatial diversity
0, G1
fΔ T
0, T
1-T
2) calculated value (G1
fT
1-T
2),
-remember the predetermined value (G1 of described acceptance
0Δ G; Δ T
0) and described calculated value (G1
fT
1-T
2),
Predetermined value (the G1 of-more described acceptance
0Δ G; Δ T
0) and described calculated value (G1
fT
1-T
2),
The blocked up signal of lime scale is represented in-emission,
To be easy to realize one or more method according to claim 1 to 10.
11. water heater according to claim 10 (1) is characterized in that, described water heater (1) is the energy storage type water heater.
12. water heater according to claim 10 (1) is characterized in that,
Described first sensor (6.1; 6.2) be configured in the described water heater spare of distance (4) less than 60 mm distance places.
13. water heater according to claim 10 (1) is characterized in that,
Described first sensor (6.1; 6.2) be configured in height place less than the maximum height of described water heater spare (4).
14. any one the described water heater (1) according among the claim 10-13 is characterized in that,
Described possible second sensor (6.3) is configured in (4) at least 100 millimeters places of the described water heater spare of distance.
15. any one the described water heater (1) according among the claim 10-13 is characterized in that,
The also suitable thermostat of realizing being used in same water heater (1) of described device (6) that comprises calculation element (6,4), timer, hot water capacity reading.
16. any one the described water heater (1) according among the claim 10-13 is characterized in that,
Described water heater spare (4) comprises at least one resistance (4).
17. any one the described water heater (1) according to claim 10 to 13 is characterized in that,
Described water heater spare (4) comprises at least one flue.
18. the flange (3) of water heater (1) is characterized in that,
-described water heater (1) is according to any one of claim 11 to 17,
-described flange (3) comprises described one or more sensor (6.1; 6.2,6.3) and comprise the described device (6) of described calculation element (6.4).
19. the flange of water heater according to claim 18 (3) is characterized in that,
Also comprise described water heater spare (4).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000046A ITAN20040046A1 (en) | 2004-10-01 | 2004-10-01 | WATER HEATER WITH ACCUMULATION, FLUSH FOR WATER HEATER WITH ACCUMULATION, METHOD OF CHECKING THE WATER SCREENINGS, AND USE OF TEMPERATURE SENSORS TO CHECK THE SCALE OF CALCARE OF A WATER HEATER |
| ITAN2004A000046 | 2004-10-01 | ||
| PCT/IB2005/003011 WO2006038109A2 (en) | 2004-10-01 | 2005-09-16 | Accumulator water heater, flange for accumulator water heater and control method for water heater scaling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101069038A CN101069038A (en) | 2007-11-07 |
| CN101069038B true CN101069038B (en) | 2010-08-25 |
Family
ID=36096437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800412335A Expired - Fee Related CN101069038B (en) | 2004-10-01 | 2005-09-16 | Accumulator electric water heater, flange for accumulator electric water heater and control method for water heater scaling |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1794496A2 (en) |
| CN (1) | CN101069038B (en) |
| IT (1) | ITAN20040046A1 (en) |
| RU (1) | RU2419028C2 (en) |
| WO (1) | WO2006038109A2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007028175A1 (en) * | 2005-09-02 | 2007-03-08 | Andre Meinhard Fourie | A heating device |
| DE102009001557A1 (en) * | 2009-03-13 | 2010-09-23 | BSH Bosch und Siemens Hausgeräte GmbH | Hot water tank with sensor system |
| CN102607163B (en) * | 2012-03-31 | 2013-11-27 | 法罗力热能设备(中国)有限公司 | Quick-heating energy-saving electric water heater |
| CN104422137B (en) * | 2013-08-22 | 2017-03-29 | 珠海格力电器股份有限公司 | Water heater preengages heat-production control method and system |
| DE102013114385A1 (en) * | 2013-12-18 | 2015-06-18 | Endress + Hauser Wetzer Gmbh + Co. Kg | Heating element for firing on heating or steam boilers |
| US10151475B2 (en) | 2014-08-19 | 2018-12-11 | Intel Corporation | System for determining scaling in a boiler |
| US11441815B2 (en) | 2020-04-15 | 2022-09-13 | Rheem Manufacturing Company | Systems and methods for heater control in fluid heating systems |
| CN113587453B (en) * | 2021-07-31 | 2022-03-22 | 江苏维德锅炉有限公司 | Solar water heater with efficient heat-collecting and heat-preserving functions |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2358971A (en) * | 2000-02-01 | 2001-08-08 | Strix Ltd | Control of a liquid heating apparatus |
| EP1166698B1 (en) * | 2000-06-28 | 2003-04-23 | V-Zug AG | Boiler and steam cooker with such a boiler |
| EP0947767B1 (en) * | 1998-04-02 | 2005-05-18 | Carel S.r.l. | Device for detecting the thickness of scale on resistive elements of electric resistor-based steam generators |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60202257A (en) * | 1984-03-27 | 1985-10-12 | Matsushita Electric Ind Co Ltd | Control circuit of hot water supplier |
| JPH01102395A (en) | 1987-10-16 | 1989-04-20 | Toshiba Corp | Sludge height measurement on steam generator tube plate |
| GB2269466B (en) * | 1992-08-08 | 1996-01-24 | Caradon Mira Ltd | Improvements in or relating to instantaneous water heaters |
| DE19960497A1 (en) | 1999-12-15 | 2001-06-21 | Bsh Bosch Siemens Hausgeraete | Container for heating water |
| GB2404293B (en) | 2000-02-01 | 2005-03-02 | Strix Ltd | Electric heaters |
-
2004
- 2004-10-01 IT IT000046A patent/ITAN20040046A1/en unknown
-
2005
- 2005-09-16 RU RU2007113010/06A patent/RU2419028C2/en not_active IP Right Cessation
- 2005-09-16 WO PCT/IB2005/003011 patent/WO2006038109A2/en active Application Filing
- 2005-09-16 EP EP05805063A patent/EP1794496A2/en not_active Withdrawn
- 2005-09-16 CN CN2005800412335A patent/CN101069038B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0947767B1 (en) * | 1998-04-02 | 2005-05-18 | Carel S.r.l. | Device for detecting the thickness of scale on resistive elements of electric resistor-based steam generators |
| GB2358971A (en) * | 2000-02-01 | 2001-08-08 | Strix Ltd | Control of a liquid heating apparatus |
| EP1166698B1 (en) * | 2000-06-28 | 2003-04-23 | V-Zug AG | Boiler and steam cooker with such a boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1794496A2 (en) | 2007-06-13 |
| WO2006038109A3 (en) | 2006-07-13 |
| ITAN20040046A1 (en) | 2005-01-01 |
| CN101069038A (en) | 2007-11-07 |
| RU2007113010A (en) | 2008-11-10 |
| RU2419028C2 (en) | 2011-05-20 |
| WO2006038109A2 (en) | 2006-04-13 |
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