CN109357410A - A kind of method for heating and controlling of electronic water closet and its instantaneously heated type heater - Google Patents
A kind of method for heating and controlling of electronic water closet and its instantaneously heated type heater Download PDFInfo
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- CN109357410A CN109357410A CN201811094376.8A CN201811094376A CN109357410A CN 109357410 A CN109357410 A CN 109357410A CN 201811094376 A CN201811094376 A CN 201811094376A CN 109357410 A CN109357410 A CN 109357410A
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- water
- heating
- heater
- temperature
- practical
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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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
- F24H9/136—Arrangement of inlet valves used therewith
Abstract
The invention discloses a kind of electronic water closet and its method for heating and controlling of instantaneously heated type heater, the control method the following steps are included: S1, it is initial when, set the water outlet target temperature T of heaterTarget, the inlet valve of heater intakes；S2, the flow of inlet water L and inflow temperature T for obtaining heaterin, power P needed for calculating heater is to heat water；S3, it is spaced △ t at every predetermined time, repeats step S2；Also, every △ t, read the leaving water temperature T of heaterout；S4, according to K=T1‑T2, obtain the average value K of several K valuesIt is average；S5, to normal voltage VStandardAnd its corresponding KStandardIt is stored in advance, according to KIt is practical/VIt is practical 2=KStandard/VStandard 2, obtain the actual voltage value V of heaterIt is practical；S6, V is utilizedIt is practicalHeating power needed for calculating carries out computer heating control to water.Actual voltage value can be also obtained without increasing voltage detection module, and then realizes the computer heating control to water, more save the cost.
Description
Technical field
The present invention relates to a kind of method for heating and controlling of instantaneously heated type heater and using the electronic seat of the method for heating and controlling
Closet.
Background technique
Nowadays electronic water closet is increasingly received by user, will rush after tap water heating to human body
Wash, electronic water closet is also varied to the heating method of flushing water in the related technology, mainly include instant heating type heating method and
Heat storage type heating method.Wherein instant heating type heating method has obvious advantage, and more and more electronic water closets use this
Mode heats water.
Instant heating type heating method seeks to be rapidly achieved target temperature as far as possible, reduces the time that user waits, together
Shi Shuiwen is unlikely to too low, excessively high, avoids water temperature fluctuation big, and water temperature reaches the use body that stable length of time influences user
It tests.The prior art is usually to increase by a voltage detection module, actual voltage value is detected by voltage detection module, to calculate
Heating power is out to carry out computer heating control to water.The prior art needs to increase voltage detection module, increases product cost, also increases
Fault point is added.
Summary of the invention
In view of this, the present invention provides a kind of method for heating and controlling of instantaneously heated type heater and uses the method for heating and controlling
Electronic water closet, can also obtain actual voltage value without increasing voltage detection module, and then realize the computer heating control to water,
More save the cost.
According to an aspect of the present invention, a kind of method for heating and controlling of instantaneously heated type heater is provided, comprising the following steps:
S1, it is initial when, set the water outlet target temperature T of heaterTarget, the inlet valve of heater intakes；
S2, the flow of inlet water L and inflow temperature T for obtaining heaterin；Function needed for being calculated by the following formula out heater
Rate P:
P=C*L* (TTarget-Tin)
Wherein C is the specific heat capacity of water；
Heat the power setting P of heater to water；
S3, it is spaced △ t at every predetermined time, repeats step S2；Also, it is spaced △ t at every predetermined time, reads and adds
The leaving water temperature T of hot deviceout；
S4, according to K=T1-T2, obtain the average value K of several K valuesIt is average
Wherein, K is temperature rise slope；
T1For the preceding T once measuredout；
T2For the rear T once measuredout；
S5, by normal voltage VStandardThe K of lower acquisitionIt is averageIt is defined as KStandard, to normal voltage VStandardAnd its corresponding KStandardIt carries out pre-
It first stores, by virtual voltage VIt is practicalThe K of lower acquisitionIt is averageIt is defined as KIt is practical；
According to KIt is practical/VIt is practical 2=KStandard/VStandard 2, obtain the actual voltage value V of heaterIt is practical；
S6, V is utilizedIt is practicalHeating power needed for calculating carries out computer heating control to water.
Preferably, in step S6, further comprise: judging whether the leaving water temperature of heater reaches water outlet target temperature
TTarget, when the leaving water temperature of heater does not reach TTargetWhen, utilize VIt is practicalHeating power needed for calculating heats water, when adding
The leaving water temperature of hot device reaches TTargetWhen, then it uses PID to be adjusted heating power to heat to water, terminates until with water.
Preferably, after with water, control inlet valve continues the predetermined time of intaking, and then turns off inlet valve.
Preferably, the same side of heating water tank is arranged in the inlet and outlet of heater, and heating element setting is adding
The roughly annular shape flowing of water flow in boiler, in heating water tank.
According to another aspect of the present invention, a kind of electronic seat using method for heating and controlling described in any of the above embodiments is provided
Closet, including instant heating type heater, the inflow temperature sensor, the use that are detected for the inflow temperature to the heater
The leaving water temperature sensors detected in the leaving water temperature to the heater and the feed water flow for detecting the heater
The flowmeter of amount.
The invention has the benefit that the present invention passes through heater the flow of inlet water L, inflow temperature T measuredin, water temperature out
Spend Tout, calculate the relationship and temperature rise slope K and leaving water temperature T of temperature rise slope K and heating power PoutRelationship, thus
Calculate the virtual voltage for obtaining heater.The present invention can also obtain actual voltage value, Jin Ershi without increasing voltage detection module
Now to the computer heating control of water, more save the cost.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the instantaneously heated type heater of one embodiment of the invention；
Fig. 2 is the flow diagram of the method for heating and controlling of the instantaneously heated type heater of one embodiment of the invention；
Fig. 3 is the step schematic diagram that step S6 includes in flow diagram shown in Fig. 2.
Fig. 4 is the linear gradient variation diagram of annular water flow water temperature；
Fig. 5 is output water temperature ToutThe temperature rise curve figure that trinomial Function Fitting goes out；
Fig. 6 is output water temperature ToutWhen linear change is presented, the temperature rise rectilinear that fits.
In figure:
10- heating water tank；11- water inlet；12- water outlet；20- heating element；30- inlet valve；40- flowmeter；50- into
Water temperature sensor；60- leaving water temperature sensors.
Specific embodiment
In order to be clearer and more clear technical problems, technical solutions and advantages to be solved, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
All terms (including technical term or scientific term) that the disclosure uses are common with disclosure fields
The meaning that technical staff understands is identical, unless otherwise specifically defined.It is also understood that in term such as defined in the general dictionary
It should be interpreted as having the consistent meaning of their meanings in the context of the relevant technologies, without application idealization or pole
Spend the meaning of formalization to explain, unless being clearly defined herein.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
Fig. 1 is please referred to, Fig. 1 shows a kind of structural schematic diagram of instantaneously heated type heater of one embodiment of the invention, packet
Include heating water tank 10, heating element 20, inlet valve 30, flowmeter 40, inflow temperature sensor 50, leaving water temperature sensors 60.
Heating water tank 10 have water inlet 11 and water outlet 12, heating element 20 be arranged in heating water tank 10 for pair
Water in heating water tank 10 is heated, and inlet valve 30 controls the water inlet of heating water tank 10 or cuts off the water, and flowmeter 40 is for detecting
The flow of inlet water L of heating water tank 10, inflow temperature sensor 50 are used to detect the inflow temperature T of heating water tank 10in, leaving water temperature
Sensor 60 is used to detect the leaving water temperature T of heating water tank 10out。
The same side of heating water tank 10 is arranged in the water inlet 11 and water outlet 12 of heater, and the setting of heating element 20 exists
The roughly annular shape flowing of water flow in heating water tank 10, in heating water tank 10.
Sunykatuib analysis is carried out to the variation of water flow movement, thermal gradient in heating water tank 10 below:
Assuming that the water by its periphery for the even heat that heating element 20 provides absorbs, water flow is from water inlet 11 to water outlet
Mouth 12 forms the annular water flow of a closure, and the water that water inlet 11 flows into is mixed with annular water flow.
The annular water flow in heating water tank 10 is divided into several sections by analysis modeling, is specifically divided into 24 here
Section is only absorbed by the water to the even heat of heating element 20, and the heat that water absorbs is expressed as QIt absorbs；The heat of water on each section
Amount is all the heat of heat+heating element release heat+previous section water of a preceding water, and next area is flowed to after mixing
Between；
That is,
WhereinFor current water calorie value,For the water in previous section calorie value,For previous water
Calorie value, that is,
K=QIt absorbs*(((2n-1-1)/2n)+((2n-2-1)/2n-1)/2-((2n-3-1)/2n-2)/4...+1/2n-1
As n > 6, ((2n-1-1)/2n)>0.48；
As n → ∞, ((2n-1-1)/2n)→0.5；
As n → ∞, K ∝ 0.
As it can be seen that K value and QIt absorbsIt is related, work as QIt absorbsWhen for fixed value when flow of inlet water L fixed (heating power P and), K value with
N increase after reduce again, until leveling off to 0；
As it can be seen that the remoter section with the mixing water at water inlet 11, heating process is longer on flow path, temperature
Degree is higher, and the water temperature of water outlet 12 tends towards stability, and the water temperature in each section is linear along the flow direction of water flow on annular water flow
Variation, water temperature change formula are as follows: y=1.4x+15 (wherein, y is the water temperature of current interval, and x is the water temperature in previous section),
The linear gradient variation of water temperature is detailed in Fig. 4.
Pass through model analysis output water temperature ToutVariation, output water temperature ToutThe fitting of trinomial function curve, y=is presented
0.0002x3-0.0368x2+1.7713x+12.454 (wherein, y is the water temperature of current interval, and x is the water temperature in previous section),
Its temperature rise curve figure fitted is detailed in Fig. 5, and (wherein, horizontal axis indicates the water temperature in previous section, and the longitudinal axis indicates the water of current interval
Temperature).
24 heating intervals that annular water flow is partitioned into, serial number is incremented by successively since water inlet 11, when section n's
When serial number is less than 12, output water temperature ToutLinear change, output water temperature T is presentedoutVariation formula are as follows: y=1.2059x+
14.112, temperature rise slope K=1.2059, the temperature rise rectilinear which fits is detailed in Fig. 6, and (wherein, horizontal axis indicates
Section serial number n, the longitudinal axis indicate water outlet water temperature Tout)。
Every the leaving water temperature value T of reading in 0.4 secondOUTAnd calculate the ratio value m, m=of its temperature rise Yu target temperature rise
(T1-T2)/(TTarget-Tin)*100；M value lengthens first increases and then decreases according to the time of heating, reaches maximum at 3.6S, not
With being maximum at this time under voltage；T1 is current leaving water temperature value TOUT, T2 is previous leaving water temperature value TOUT, TTargetFor
The water outlet target temperature value of setting, TinFor inflow temperature value, such as Tin=15 DEG C, TTarget=40 DEG C of obtained temperature rise slope value K
Table, it is as follows；
The temperature rise ratio value m between 2S to 4.4S is read, the average value m of m is obtainedIt is average, and obtain in different inflow temperatures
TinWith the m under different voltagesIt is averageTable；
Again conversion obtains corresponding temperature rise slope K this period of 2S to 4.4SIt is average: K is average=mIt is average *(TTarget-Tin)/
100, the temperature rise slope K of this section of linear segment is roughly equal under same voltage in temperature rise curve, is specifically listed as follows:
Using the voltage of 220V as standard voltage value, data under 220V as standard value, data under other voltages with
Data under 220V are compared, it is found that the ratio of temperature rise slope K and the ratio data of heating power are consistent, and see the table below
The correspondence ratio of second row and fourth line:
| Voltage | 187V | 198V | 220V | 235V | 254V |
| The ratio of power | 0.72 | 0.81 | 1.00 | 1.14 | 1.33 |
| K value | 0.8884 | 0.9911 | 1.2235 | 1.3938 | 1.6301 |
| The ratio of K | 0.73 | 0.81 | 1.00 | 1.14 | 1.33 |
Thus, it is possible to obtain:
KIt is practical/KStandard=PIt is practical/PStandard, P is heating power；
Due to PIt is practical=VIt is practical 2/ R, PStandard=VStandard 2/ R, R are resistance；
Thus, it is possible to obtain: KIt is practical/VIt is practical 2=KStandard/VStandard 2；
And due to m=(T1-T2)/(TTarget-Tin) * 100, bring the expression formula of m into following formula:
KIt is average=mIt is average*(TTarget-Tin)/100
Then, K=(T1-T2) * [(TTarget-Tin)/100]/[(TTarget-Tin) * 100]=T1-T2
Using above-mentioned formula, it is being previously stored with VStandardCorresponding KStandardAfterwards, as long as measuring KIt is practical, then reality can be calculated
Voltage value VIt is practical, so as to utilize VIt is practicalHeating power needed for calculating is to carry out computer heating control to water.
Specifically, as shown in Fig. 2, the method for heating and controlling of the instantaneously heated type heater of this implementation, comprising the following steps:
S1, it is initial when, set the water outlet target temperature T of heaterTarget, the inlet valve 30 of heater intakes；
S2, the flow of inlet water L and inflow temperature T for obtaining heaterin；Function needed for being calculated by the following formula out heater
Rate P:
P=C*L* (TTarget-Tin)
Wherein C is the specific heat capacity of water；
Heat the power setting P of heater to water；
S3, it is spaced △ t at every predetermined time, repeats step S2；Also, it is spaced △ t at every predetermined time, reads and adds
The leaving water temperature T of hot deviceout；
S4, according to K=T1-T2, obtain the average value K of several K valuesIt is average
Wherein, K is temperature rise slope；
T1For the preceding T once measuredout；
T2For the rear T once measuredout；
S5, by normal voltage VStandardThe K of lower acquisitionIt is averageIt is defined as KStandard, to normal voltage VStandardAnd its corresponding KStandardIt carries out pre-
It first stores, by virtual voltage VIt is practicalThe K of lower acquisitionIt is averageIt is defined as KIt is practical；
According to KIt is practical/VIt is practical 2=KStandard/VStandard 2, obtain the actual voltage value V of heaterIt is practical；
S6, V is utilizedIt is practicalHeating power needed for calculating carries out computer heating control to water.
As shown in figure 3, further comprising in step S6: judging whether the leaving water temperature of heater reaches water outlet target temperature
Spend TTarget, when the leaving water temperature of heater does not reach TTargetWhen, utilize VIt is practicalHeating power needed for calculating heats water, when
The leaving water temperature of heater reaches TTargetWhen, then use PID to be adjusted heating power to heat to water, until with water knot
Beam.Preferably, with after water, control inlet valve continues the predetermined time of intaking, and then turns off inlet valve, in this way can be to adding
Thermal element 20 plays a protective role.
The same side of heating water tank 10 is arranged in the water inlet 11 and water outlet 12 of heater, and the setting of heating element 20 exists
The roughly annular shape flowing of water flow in heating water tank 10, in heating water tank 10.
It should be noted that above-described embodiment carries out in detail by taking the roughly annular shape flowing of the water flow in heating water tank 10 as an example
It describes in detail bright, but the present invention is not limited to the structure of the roughly annular shape flowing of water flow in heating water tank 10, is equally applicable to it
The heater of his water flow mode, such as the water inlet 11 and water outlet 12 of heater are separately positioned on the both ends of heating water tank 10,
Water flow is from one end of heating water tank 10 into another from heating water tank 10 brings out, and the situation of the not formed closed circuit of water flow is also
Applicable.
So far, each embodiment of the invention is described in detail.In order to avoid covering design of the invention, do not retouch
State some details known in the field.Those skilled in the art as described above, completely it can be appreciated how realizing this
In disclosed technical solution.
Herein, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, from
And to include the process, method, article or equipments of a series of elements not only to include those elements, but also including not bright
The other element really listed, or further include for elements inherent to such a process, method, article, or device.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that include the element process,
There is also other identical elements in method, article or equipment.In addition, those of ordinary skill in the art will appreciate that on realizing
The all or part of the steps for stating embodiment may be implemented by hardware, and can also instruct relevant hardware complete by program
At the program can store in a kind of computer readable storage medium, and storage medium mentioned above can be read-only
Memory, disk or CD etc..
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (5)
1. a kind of method for heating and controlling of instantaneously heated type heater, which comprises the following steps:
S1, it is initial when, set the water outlet target temperature T of heaterTarget, the inlet valve of heater intakes；
S2, the flow of inlet water L and inflow temperature T for obtaining heaterin；Power P needed for being calculated by the following formula out heater:
P=C*L* (TTarget-Tin)
Wherein C is the specific heat capacity of water；
Heat the power setting P of heater to water；
S3, it is spaced △ t at every predetermined time, repeats step S2；Also, it is spaced △ t at every predetermined time, reads heater
Leaving water temperature Tout；
S4, according to K=T1-T2, obtain the average value K of several K valuesIt is average
Wherein, K is temperature rise slope；
T1For the preceding T once measuredout；
T2For the rear T once measuredout；
S5, by normal voltage VStandardThe K of lower acquisitionIt is averageIt is defined as KStandard, to normal voltage VStandardAnd its corresponding KStandardIt is deposited in advance
Storage, by virtual voltage VIt is practicalThe K of lower acquisitionIt is averageIt is defined as KIt is practical；
According to KIt is practical/VIt is practical 2=KStandard/VStandard 2, obtain the actual voltage value V of heaterIt is practical；
S6, V is utilizedIt is practicalHeating power needed for calculating carries out computer heating control to water.
2. method for heating and controlling according to claim 1, which is characterized in that in step S6, further comprise: judgement heating
Whether the leaving water temperature of device reaches water outlet target temperature TTarget, when the leaving water temperature of heater does not reach TTargetWhen, utilize VIt is practicalIt calculates
Required heating power heats water, when the leaving water temperature of heater reaches TTargetWhen, then heating is adjusted using PID
Power is terminated with heating to water until with water.
3. method for heating and controlling according to claim 2, which is characterized in that with after water, control inlet valve continue into
The water predetermined time, then turn off inlet valve.
4. method for heating and controlling according to claim 1, which is characterized in that the inlet and outlet setting of heater exists
The same side of heating water tank, heating element are arranged in heating water tank, the roughly annular shape flowing of the water flow in heating water tank.
5. a kind of electronic water closet using method for heating and controlling described in claims 1 or 2 or 3 or 4 adds including instant heating type
Hot device, the inflow temperature sensor detected for the inflow temperature to the heater, for going out to the heater
The flowmeter of leaving water temperature sensors and the flow of inlet water for detecting the heater that coolant-temperature gage is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094376.8A CN109357410B (en) | 2018-09-19 | 2018-09-19 | Electronic toilet and heating control method of instant heating type heater of electronic toilet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094376.8A CN109357410B (en) | 2018-09-19 | 2018-09-19 | Electronic toilet and heating control method of instant heating type heater of electronic toilet |
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| CN109357410A true CN109357410A (en) | 2019-02-19 |
| CN109357410B CN109357410B (en) | 2021-04-13 |
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Cited By (5)
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| CN111948437A (en) * | 2020-07-28 | 2020-11-17 | 上海亚虹模具股份有限公司 | Voltage measuring method |
| CN112842078A (en) * | 2020-12-31 | 2021-05-28 | 佛山市顺德区美的饮水机制造有限公司 | Water treatment device control method, water treatment device and readable storage medium |
| CN114251836A (en) * | 2021-10-08 | 2022-03-29 | 佛山市顺德区美的饮水机制造有限公司 | Instantaneous heating device, control method and control device thereof, water treatment device and medium |
| CN114484851A (en) * | 2022-02-15 | 2022-05-13 | 佛山市顺德区美的饮水机制造有限公司 | Instant heating type heating assembly and control method, control device and readable storage medium thereof |
| CN115562391A (en) * | 2022-10-11 | 2023-01-03 | 珠海格力电器股份有限公司 | Water drinking equipment control method and device, computer equipment and storage medium |
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| CN114484851A (en) * | 2022-02-15 | 2022-05-13 | 佛山市顺德区美的饮水机制造有限公司 | Instant heating type heating assembly and control method, control device and readable storage medium thereof |
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| CN115562391A (en) * | 2022-10-11 | 2023-01-03 | 珠海格力电器股份有限公司 | Water drinking equipment control method and device, computer equipment and storage medium |
| CN115562391B (en) * | 2022-10-11 | 2023-10-31 | 珠海格力电器股份有限公司 | Water drinking equipment control method, device, computer equipment and storage medium |
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| CN109357410B (en) | 2021-04-13 |
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