CN108800601A - Computational methods, device and the water heater of pressure-bearing type heat storage water tank remaining hot water - Google Patents
Computational methods, device and the water heater of pressure-bearing type heat storage water tank remaining hot water Download PDFInfo
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- CN108800601A CN108800601A CN201811000698.1A CN201811000698A CN108800601A CN 108800601 A CN108800601 A CN 108800601A CN 201811000698 A CN201811000698 A CN 201811000698A CN 108800601 A CN108800601 A CN 108800601A
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- temperature
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- heat storage
- blind area
- type heat
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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
Abstract
The present invention relates to heat storage water tank technical fields, disclose a kind of computational methods, device and the water heater of pressure-bearing type heat storage water tank remaining hot water, including:Obtain the actual temperature T of the single collected pressure-bearing type heat storage water tank of temperature acquisition pointIt is practical;Calculate the volume V of temperature sensing early period blind area1, the volume V in mid-term temperature steep drop area2With the volume V of the latter temperature detection blind area3;Calculate the remaining hot water η of temperature sensing early period blind area1;Calculate the remaining hot water η in mid-term temperature steep drop area2;Calculate the remaining hot water η of the latter temperature detection blind area3;According to the remaining hot water η of temperature sensing early period blind area1, the remaining hot water η in mid-term temperature steep drop area2With the remaining hot water η of the latter temperature detection blind area3, calculate the remaining hot water η of the pressure-bearing type heat storage water tank.The present invention can accurately calculate the remaining hot water of pressure-bearing type heat storage water tank, and control system and product structure are simple.
Description
Technical field
The present invention relates to pressure-bearing type heat storage water tank technical field more particularly to a kind of pressure-bearing type heat storage water tank remaining hot waters
Computational methods, device and water heater.
Background technology
As the improvement of people's living standards, user proposes the use function of the water heater containing pressure-bearing type heat storage water tank
Requirements at the higher level.For example, many users wish the work(of the standby display remaining hot water of the water heater containing pressure-bearing type heat storage water tank
Can, so as to user can understand in real time current pressure-bearing type heat storage water tank with regimen condition and adjust in time.
In the prior art, in order to obtain the remaining hot water of pressure-bearing type heat storage water tank, generally pressure-bearing is distributed in by multiple
Temperature acquisition point inside type heat storage water tank on different location acquires on multiple and different positions inside pressure-bearing type heat storage water tank
Temperature, and the remaining hot water of pressure-bearing type heat accumulation hydrophone is calculated according to the collected temperature simulation of temperature acquisition point.So
And in implementing process of the present invention, inventor has found that at least there are the following problems in the prior art:It is existing to be adopted by multiple temperature
The mode of collection point acquisition pressure-bearing type heat storage water tank internal temperature, can lead to the control system of the water heater containing pressure-bearing type heat storage water tank
System and product structure complicate, so as to cause the cost of product is increased.
Invention content
First technical problem to be solved by this invention is to provide for a kind of pressure-bearing type heat storage water tank remaining hot water
Computational methods can accurately calculate the remaining hot water of pressure-bearing type heat storage water tank by the single temperature acquisition point, and ensure
The control system and product structure of water heater containing pressure-bearing type heat storage water tank are simplified, to reduce the cost of product.
Second technical problem to be solved by this invention is to provide for a kind of pressure-bearing type heat storage water tank remaining hot water
Computing device can accurately calculate the remaining hot water of pressure-bearing type heat storage water tank by the single temperature acquisition point, and ensure
The control system and product structure of water heater containing pressure-bearing type heat storage water tank are simplified, to reduce the cost of product.
Third technical problem to be solved by this invention is to provide for a kind of water heater, is adopted by the single temperature
Collection point can accurately calculate the remaining hot water of pressure-bearing type heat storage water tank, and ensure the control of the water heater containing pressure-bearing type heat storage water tank
System processed and product structure are simplified, to reduce the cost of product.
Above-mentioned first technical problem is solved by the following technical programs:
A kind of computational methods of pressure-bearing type heat storage water tank remaining hot water, including the pressure-bearing type heat storage water tank liner from
Under to being above in turn divided into temperature sensing early period blind area, mid-term temperature steep drop area and latter temperature detection blind area, the mid-term temperature
Single temperature acquisition point is equipped in the areas Du Doujiang;The computational methods of the pressure-bearing type water tank remaining hot water include:
Obtain the actual temperature T of the single collected pressure-bearing type heat storage water tank of temperature acquisition pointIt is practical;
Calculate the volume V of temperature sensing early period blind area1, the volume V in mid-term temperature steep drop area2With the later stage
The volume V of temperature sensing blind area3;Wherein, V1T during water is continuously used for userIt is practicalBy TSettingDrop to TMinWhen, the pressure-bearing type storage
The volume of the water of boiler discharge;V2T during water is continuously used for userIt is practicalBy TMinDrop to TIt is mixedWhen, the pressure-bearing type water storage
The volume of the water of case discharge;V3It is continuously used during water from T for userIt is practical< TIt is mixedHot water quilt in the pressure-bearing type heat storage water tank
When being completely exhausted out, the volume of the water of the pressure-bearing type heat storage water tank discharge;TSettingFor target water temperature set by user, TMinFor user
With the minimum temperature of water, TIt is mixedFor highest water-mixing temperature;
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1And institute
State the volume V of latter temperature detection blind area3, calculate the remaining hot water η of temperature sensing early period blind area1;
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the volume V in mid-term temperature steep drop area2, calculate
The remaining hot water η in mid-term temperature steep drop area2;
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1And institute
State the volume V of latter temperature detection blind area3, calculate the remaining hot water η of the latter temperature detection blind area3;
According to the remaining hot water η of temperature sensing early period blind area1, the remaining hot water in mid-term temperature steep drop area
η2With the remaining hot water η of the latter temperature detection blind area3, calculate the remaining hot water η of the pressure-bearing type heat storage water tank.
The computational methods of pressure-bearing type heat storage water tank after-heat of the present invention are generated compared with the background art to be had
Beneficial effect:
The computational methods of the pressure-bearing type heat storage water tank after-heat are collected by obtaining the single temperature acquisition point
The actual temperature T of the pressure-bearing type heat storage water tankIt is practical;Calculate the volume V of temperature sensing early period blind area1, the mid-term temperature
The volume V in the areas Dou Jiang2With the volume V of the latter temperature detection blind area3;And it is blind by calculating separately temperature sensing early period
The remaining hot water η in area1, mid-term temperature steep drop area remaining hot water η2, the latter temperature detection blind area delayed heat
Water η3, and then the remaining hot water η of the pressure-bearing type heat storage water tank is calculated, it can be accurate by the single temperature acquisition point
Calculate the remaining hot water of pressure-bearing type heat storage water tank, and ensure the water heater containing pressure-bearing type heat storage water tank control system and
Product structure is simplified, to reduce the cost of product.
In one of the embodiments, in order to accurately calculate the remaining hot water η of temperature sensing early period blind area1, institute
State the actual temperature T according to the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1With the later stage
The volume V of temperature sensing blind area3, calculate the remaining hot water η of temperature sensing early period blind area1Specially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1And institute
State the volume V of latter temperature detection blind area3, the surplus hot water of temperature sensing early period blind area is calculated by following calculation formula
Measure η1:
η1=V1/(V1+V3) * (TIt is practical-TMin)/(TSetting-TMin);
Wherein, work as TIt is practical> TSettingWhen, TIt is practicalTake TSettingValue;Work as TIt is practical< TMinWhen, TIt is practicalTake TMinValue.
In one of the embodiments, in order to accurately calculate the remaining hot water η in mid-term temperature steep drop area2, described
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the volume V in mid-term temperature steep drop area2, calculate the mid-term
The remaining hot water η in temperature steep drop area2Specially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the volume V in mid-term temperature steep drop area2, pass through
Following calculation formula calculates the remaining hot water η in mid-term temperature steep drop area2:
η2=η (TIt is practical, V2);Wherein, work as V2When=0, η2=0.
In one of the embodiments, in order to accurately calculate the remaining hot water η of the latter temperature detection blind area3, institute
State the actual temperature T according to the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1With the later stage
The volume V of temperature sensing blind area3, calculate the remaining hot water η of the latter temperature detection blind area3It specifically includes:
According to the volume V of the latter temperature detection blind area3, calculate the continuous use of maximum of the latter temperature detection blind area
Water theory time tMax;Wherein, tMaxDuring continuously using water for user, from TIt is practical< TIt is mixedHeat in the pressure-bearing type heat storage water tank
Time used when water is fully drained;
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the continuous use of maximum of the latter temperature detection blind area
Water theory time tMax, calculate the accumulation water time t of the latter temperature detection blind areaAccumulation;Wherein, tAccumulationIt is cold water to described
After latter temperature detection blind area, time for being accumulated during water temperature reduces;
Water theory time t is continuously used according to the maximum of the latter temperature detection blind areaMax, latter temperature detection it is blind
The accumulation in area water time tAccumulation, temperature sensing early period blind area volume V1With the volume of the latter temperature detection blind area
V3, the remaining hot water η of the latter temperature detection blind area is calculated by following calculation formula3:
η3=V3/(V1+V3) * (tMax-tAccumulation)/tMax。
In one of the embodiments, in order to accurately calculate the volume V of temperature sensing early period blind area1, the mid-term
The volume V in temperature steep drop area2With the volume V of the latter temperature detection blind area3, the calculating temperature sensing early period blind area
Volume V1, the volume V in mid-term temperature steep drop area2With the volume V of the latter temperature detection blind area3It specifically includes:
According to the distance L of the bottom of single liner of the temperature acquisition point to the pressure-bearing type heat storage water tank1And institute
State the height L of the liner of pressure-bearing type heat storage water tank2, the opposite of the single temperature acquisition point is calculated by following calculation formula and is accounted for
Compare D:
D=L1/L2;
According to the opposite accounting D of the single temperature acquisition point, temperature early period is calculated separately by following calculation formula
Spend the volume V of detection blind area1, mid-term temperature steep drop area volume V2With the volume V of the latter temperature detection blind area3:
V1=δ * D*VWater tank, V2=0, V3=δ * (1-D) * VWater tank;Wherein, δ is the heat of the pressure-bearing type heat storage water tank
Water output rating, VWater tankFor the maximum volume of the pressure-bearing type heat storage water tank.
In one of the embodiments, in order to which the maximum for accurately calculating the latter temperature detection blind area continuously uses water theory
Time tMax, the volume V according to the latter temperature detection blind area3, calculate the most Dalian of the latter temperature detection blind area
It is continuous to use water theory time tMaxSpecially:
According to the volume V of the latter temperature detection blind area3, the latter temperature is calculated by following calculation formula and is detected
The maximum of blind area continuously uses water theory time tMax:
tMax=V3/SIt is average;
Wherein, SIt is averageFor the average consumption in the Subscriber Unit time.
The actual temperature T according to the pressure-bearing type heat storage water tank in one of the embodiments,It is practicalWith the later stage
The maximum of temperature sensing blind area continuously uses water theory time tMax, the accumulation of the latter temperature detection blind area is calculated with the water time
tAccumulationSpecially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the continuous use of maximum of the latter temperature detection blind area
Water theory time tMax, it is calculated by the following formula the accumulation water time t of the latter temperature detection blind areaAccumulation:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the continuous use of maximum of the latter temperature detection blind area
Water theory time tMax, it is calculated by the following formula the accumulation water time t of the latter temperature detection blind areaAccumulation:
As judgement TIt is practical> TMinAnd Δ TIt is practicalAt >=2 DEG C, Δ TIt is practicalOften rise 2 DEG C, system-computed is primary, at this time tAccumulation=
tAccumulation-INT(ΔTIt is practical/ 2) * [2*tMax/(TSetting-TMin)];Wherein, work as tAccumulationWhen≤0, t is takenAccumulation=0;ΔTIt is practicalFor TIt is practical's
Ascending temperature;
As judgement TIt is practical> TMinAnd when Δ T≤1 DEG C, tAccumulation=tAccumulation;
As judgement TMin≥TIt is practical≥TIt is mixedWhen, tAccumulation=tAccumulation;
As judgement TIt is practical< TIt is mixedAnd TIt is practicalWhen not increasing, system calculates once each second, at this time tAccumulation=tAccumulation+1;Wherein, when
tAccumulation≥tMaxWhen, take tAccumulation=tMax;
As judgement TIt is practical< TSetting- 25 DEG C and first appear Δ TIt is practicalWhen 3 DEG C of >, tAccumulation=[(VCold water-V1)/V3] * tMax;
Wherein, VCold water=P*t/CWater* ρWater* Δ T;VCold waterFor the volume of cold water layer, P is the pressure-bearing type heat storage water tank
Heating power, t are the heating time of cold water layer, CWaterFor the specific heat capacity of water, ρWaterFor the density of water, Δ T is cold water in cold water layer
Temperature rise value.
In one of the embodiments, in order to accurately calculate the remaining hot water η of the pressure-bearing type heat storage water tank, described
According to the remaining hot water η of temperature sensing early period blind area1, the remaining hot water η in mid-term temperature steep drop area2After described
The remaining hot water η of phase temperature sensing blind area3, the remaining hot water η for calculating the pressure-bearing type heat storage water tank is specially:
According to the remaining hot water η of temperature sensing early period blind area1, the remaining hot water in mid-term temperature steep drop area
η2With the remaining hot water η of the latter temperature detection blind area3, the pressure-bearing type heat storage water tank is calculated by following calculation formula
Remaining hot water η:
η=η1+η2+η3。
Above-mentioned second technical problem is solved by the following technical programs:
A kind of computing device of pressure-bearing type heat storage water tank remaining hot water, including processor, memory and it is stored in institute
The computer program executed by the processor is stated in memory and is configured as, the processor executes the computer program
The computational methods of pressure-bearing type heat storage water tank remaining hot water for example above-mentioned Shi Shixian.
The computing device of pressure-bearing type heat storage water tank after-heat of the present invention is generated compared with the background art to be had
Beneficial effect:
The computing device of the pressure-bearing type heat storage water tank after-heat is collected by obtaining the single temperature acquisition point
The actual temperature T of the pressure-bearing type heat storage water tankIt is practical;Calculate the volume V of temperature sensing early period blind area1, the mid-term temperature
The volume V in the areas Dou Jiang2With the volume V of the latter temperature detection blind area3;And it is blind by calculating separately temperature sensing early period
The remaining hot water η in area1, mid-term temperature steep drop area remaining hot water η2, the latter temperature detection blind area delayed heat
Water η3, and then the remaining hot water η of the pressure-bearing type heat storage water tank is calculated, it can be accurate by the single temperature acquisition point
Calculate the remaining hot water of pressure-bearing type heat storage water tank, and ensure the water heater containing pressure-bearing type heat storage water tank control system and
Product structure is simplified, to reduce the cost of product.
Above-mentioned third technical problem is solved by the following technical programs:
A kind of water heater, including shell, the shell are interior equipped with pressure-bearing type heat storage water tank and as above-mentioned pressure-bearing type stores up
The computing device of boiler remaining hot water;The single temperature acquisition point and the pressure-bearing type heat storage water tank remaining hot water
Computing device is electrically connected.
Water heater of the present invention compared with the background art caused by advantageous effect:
The water heater is obtained the single temperature and is adopted by the computing device of the pressure-bearing type heat storage water tank remaining hot water
The actual temperature T of the collected pressure-bearing type heat storage water tank of collection pointIt is practical;Calculate the volume V of temperature sensing early period blind area1,
The volume V in mid-term temperature steep drop area2With the volume V of the latter temperature detection blind area3;And by calculate separately it is described before
The remaining hot water η of phase temperature sensing blind area1, mid-term temperature steep drop area remaining hot water η2, latter temperature detection
The remaining hot water η of blind area3, and then the remaining hot water η of the pressure-bearing type heat storage water tank is calculated, it is adopted by the single temperature
Collection point can accurately calculate the remaining hot water of pressure-bearing type heat storage water tank, and ensure the water heater containing pressure-bearing type heat storage water tank
Control system and product structure simplify, to reduce the cost of product.
Description of the drawings
Fig. 1 is the flow chart of the computational methods of the pressure-bearing type heat storage water tank remaining hot water in the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the pressure-bearing type heat storage water tank in the embodiment of the present invention;
Fig. 3 is the temperature drop curve graph that the pressure-bearing type heat storage water tank in the embodiment of the present invention continuously discharges water;
Fig. 4 is the flow chart of the step S5 in the embodiment of the present invention;
Fig. 5 is the flow chart of the step S2 in the embodiment of the present invention.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
In the description of the present invention, it is to be understood that, the indicating positions such as "upper", "lower" or position relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated
Device must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, without conflicting with each other, those skilled in the art by different embodiments described in this specification or can show
The feature of example and different embodiments or examples is combined.
As depicted in figs. 1 and 2, the calculating of a kind of pressure-bearing type heat storage water tank remaining hot water in the preferred embodiment of the present invention
The liner of method, the pressure-bearing type heat storage water tank is in turn divided into temperature sensing early period blind area, mid-term temperature steep drop from top to bottom
Area and latter temperature detection blind area are equipped with single temperature acquisition point in mid-term temperature steep drop area;The pressure-bearing type water tank
The computational methods of remaining hot water include:
S1 obtains the actual temperature T of the single collected pressure-bearing type heat storage water tank of temperature acquisition pointIt is practical;
S2 calculates the volume V of temperature sensing early period blind area1, the volume V in mid-term temperature steep drop area2After described
The volume V of phase temperature sensing blind area3;Wherein, V1T during water is continuously used for userIt is practicalBy TSettingDrop to TMinWhen, the pressure-bearing type
The volume of the water of heat storage water tank discharge;V2T during water is continuously used for userIt is practicalBy TMinDrop to TIt is mixedWhen, the pressure-bearing type heat accumulation
The volume of the water of water tank discharge;V3It is continuously used during water from T for userIt is practical< TIt is mixedHot water in the pressure-bearing type heat storage water tank
When being fully drained, the volume of the water of the pressure-bearing type heat storage water tank discharge;TSettingFor target water temperature set by user, TMinFor with
The minimum temperature of family water, TIt is mixedFor highest water-mixing temperature;
S3, according to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1With
The volume V of the latter temperature detection blind area3, calculate the remaining hot water η of temperature sensing early period blind area1;
S4, according to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the volume V in mid-term temperature steep drop area2, meter
Calculate the remaining hot water η in mid-term temperature steep drop area2;
S5, according to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1With
The volume V of the latter temperature detection blind area3, calculate the remaining hot water η of the latter temperature detection blind area3;
S6, according to the remaining hot water η of temperature sensing early period blind area1, the delayed heat in mid-term temperature steep drop area
Water η2With the remaining hot water η of the latter temperature detection blind area3, calculate the remaining hot water of the pressure-bearing type heat storage water tank
η。
In embodiments of the present invention, the computational methods of the pressure-bearing type heat storage water tank after-heat are single described by obtaining
The actual temperature T of the collected pressure-bearing type heat storage water tank of temperature acquisition pointIt is practical;Calculate temperature sensing early period blind area
Volume V1, the volume V in mid-term temperature steep drop area2With the volume V of the latter temperature detection blind area3;And by calculating separately
The remaining hot water η of temperature sensing early period blind area1, mid-term temperature steep drop area remaining hot water η2, the later stage temperature
Spend the remaining hot water η of detection blind area3, and then the remaining hot water η of the pressure-bearing type heat storage water tank is calculated, by single described
Temperature acquisition point can accurately calculate the remaining hot water of pressure-bearing type heat storage water tank, and ensure containing pressure-bearing type heat storage water tank
The control system and product structure of water heater are simplified, to reduce the cost of product.
In embodiments of the present invention, the actual temperature TIt is practicalThe institute of controller is fed back to for the single temperature acquisition point
State the actual temperature of pressure-bearing type heat storage water tank;The target water temperature T set by userSettingFor institute after the completion of heating set by user
State the water temperature in pressure-bearing type heat storage water tank;The minimum temperature T of user's waterMinIt is acceptable most for user's water
Low water temperature, which can be 45 DEG C, can also be 46 DEG C, 47 DEG C, 50 DEG C etc., need to be arranged with specific reference to user, no
It limits.
In embodiments of the present invention, the highest water-mixing temperature TIt is mixedFor the bearing hot water tank with water along with cold water
Into causing the pressure-bearing type heat storage water tank to tend to the highest water-mixing temperature of cold water water temperature, the highest water-mixing temperature can be
It 35 DEG C, it is, of course, also possible to be 36 DEG C, 34 DEG C, 37 DEG C etc., determines, does not limit with specific reference to actual conditions.
In order to accurately calculate the remaining hot water η of temperature sensing early period blind area1, in embodiments of the present invention, described
Step S3 is specially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1And institute
State the volume V of latter temperature detection blind area3, the surplus hot water of temperature sensing early period blind area is calculated by following calculation formula
Measure η1:
η1=V1/(V1+V3) * (TIt is practical-TMin)/(TSetting-TMin);
Wherein, work as TIt is practical> TSettingWhen, TIt is practicalTake TSettingValue;Work as TIt is practical< TMinWhen, TIt is practicalTake TMinValue.
In order to accurately calculate the remaining hot water η in mid-term temperature steep drop area2, in embodiments of the present invention, the step
Suddenly S4 is specially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the volume V in mid-term temperature steep drop area2, pass through
Following calculation formula calculates the remaining hot water η in mid-term temperature steep drop area2:
η2=η (TIt is practical, V2);Wherein, work as V2When=0, η2=0.
As shown in figure 3, in embodiments of the present invention, it should be noted that when the pressure-bearing type heat storage water tank is in continuous
When with water state, the temperature of the single temperature acquisition point declines curve and the hot water exit's of the pressure-bearing type heat storage water tank
Temperature decline curve is compared, and the temperature drop rate in the single collected mid-term temperature steep drop area of temperature acquisition point is very
Soon, therefore, mid-term temperature steep drop area volume V is being calculated2When, quickly due to temperature drop rate, then continuously used in user
During water, the pressure-bearing type heat storage water tank excludes the volume V of water body2, since the period is very short, 0 value is taken, then η at this time2=η (TIt is practical,
V2)=0.
As shown in figure 4, in order to accurately calculate the remaining hot water η of the latter temperature detection blind area3, implement in the present invention
In example, the step S5 is specifically included:
S51, according to the volume V of the latter temperature detection blind area3, calculate the most Dalian of the latter temperature detection blind area
It is continuous to use water theory time tMax;Wherein, tMaxDuring continuously using water for user, from TIt is practical< TIt is mixedIn to the pressure-bearing type heat storage water tank
Hot water time used when being fully drained;
S52, according to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the most Dalian of the latter temperature detection blind area
It is continuous to use water theory time tMax, calculate the accumulation water time t of the latter temperature detection blind areaAccumulation;Wherein, tAccumulationExtremely for cold water
After the latter temperature detection blind area, time for being accumulated during water temperature reduces;
S53 continuously uses water theory time t according to the maximum of the latter temperature detection blind areaMax, the latter temperature visits
Survey the accumulation water time t of blind areaAccumulation, temperature sensing early period blind area volume V1With the latter temperature detection blind area
Volume V3, the remaining hot water η of the latter temperature detection blind area is calculated by following calculation formula3:
η3=V3/(V1+V3) * (tMax-tAccumulation)/tMax。
As shown in figure 5, in order to accurately calculate the volume V of temperature sensing early period blind area1, mid-term temperature steep drop area
Volume V2With the volume V of the latter temperature detection blind area3, the volume V for calculating temperature sensing early period blind area1, institute
Step S2 is stated to specifically include:
S21, according to the distance L of the bottom of single liner of the temperature acquisition point to the pressure-bearing type heat storage water tank1With
And the height L of the liner of the pressure-bearing type heat storage water tank2, the phase of the single temperature acquisition point is calculated by following calculation formula
To accounting D:
D=L1/L2;
S22, according to the opposite accounting D of the single temperature acquisition point, by following calculation formula calculate separately it is described before
The volume V of phase temperature sensing blind area1, mid-term temperature steep drop area volume V2With the volume of the latter temperature detection blind area
V3:
V1=δ * D*VWater tank, V2=0, V3=δ * (1-D) * VWater tank;Wherein, δ is the heat of the pressure-bearing type heat storage water tank
Water output rating, VWater tankFor the maximum volume of the pressure-bearing type heat storage water tank.
Maximum in order to accurately calculate the latter temperature detection blind area continuously uses water theory time tMax, of the invention real
It applies in example, the step S51 is specially:
According to the volume V of the latter temperature detection blind area3, the latter temperature is calculated by following calculation formula and is detected
The maximum of blind area continuously uses water theory time tMax:
tMax=V3/SIt is average;
Wherein, SIt is averageFor the average consumption in the Subscriber Unit time.
In order to accurately calculate the accumulation water time t of the latter temperature detection blind areaAccumulation, in embodiments of the present invention, institute
Stating step S52 is specially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the continuous use of maximum of the latter temperature detection blind area
Water theory time tMax, it is calculated by the following formula the accumulation water time t of the latter temperature detection blind areaAccumulation:
As judgement TIt is practical> TMinAnd Δ TIt is practicalAt >=2 DEG C, Δ TIt is practicalOften rise 2 DEG C, system-computed is primary, at this time tAccumulation=
tAccumulation-INT(ΔTIt is practical/ 2) * [2*tMax/(TSetting-TMin)];Wherein, work as tAccumulationWhen≤0, t is takenAccumulation=0;ΔTIt is practicalFor TIt is practical's
Ascending temperature;
As judgement TIt is practical> TMinAnd when Δ T≤1 DEG C, tAccumulation=tAccumulation;
As judgement TMin≥TIt is practical≥TIt is mixedWhen, tAccumulation=tAccumulation;
As judgement TIt is practical< TIt is mixedAnd TIt is practicalWhen not increasing, system calculates once each second, at this time tAccumulation=tAccumulation+1;Wherein, when
tAccumulation≥tMaxWhen, take tAccumulation=tMax;
As judgement TIt is practical< TSetting- 25 DEG C and first appear Δ TIt is practicalWhen 3 DEG C of >, tAccumulation=[(VCold water-V1)/V3] * tMax;
Wherein, VCold water=P*t/CWater* ρWater* Δ T;VCold waterFor the volume of cold water layer, P is the pressure-bearing type heat storage water tank
Heating power, t are the heating time of cold water layer, CWaterFor the specific heat capacity of water, ρWaterFor the density of water, Δ T is cold water in cold water layer
Temperature rise value.
In embodiments of the present invention, it should be noted that described in the system electrification moment of the pressure-bearing type heat storage water tank
The accumulation of latter temperature detection blind area water time tAccumulationWhen there are initial value, as judgement TIt is practical> TMinWhen, at this time when accumulation water
Between initial value tAccumulation=0;As judgement TIt is practical≤TMinWhen, the initial value t with the water time is accumulated at this timeAccumulation=tMax。
In embodiments of the present invention, it should be noted that in user's water utilizing process, if there are non-with the water stage and this is non-
When being opened with the heating in water stage, the water temperature of the pressure-bearing type heat storage water tank persistently rises at this time, it is assumed that the pressure-bearing type heat accumulation
There are cold and hot layerings inside water tank, i.e., when the temperature of the single temperature acquisition point acquisition and theoretical highest water temperature are more than 25 DEG C of temperature
When poor, it can approximately think that all heats all exchange heat to cold water layer, and then cold water volume is calculated by heating speed,
Another mistake releases remaining hot water and to being modified with the dynamic residue water consumption in water stage so that the pressure-bearing type heat storage water tank
Remaining hot water calculating it is more accurate.
In order to accurately calculate the volume V of the cold water layerCold water, by the instantaneous system for taking the pressure-bearing type heat storage water tank
Thermal power P can more accurately calculate the volume V of the cold water layerCold water, in embodiments of the present invention, due to different environment
Corresponding instantaneous power P is different when temperature, different water temperatures, by tabling look-up, can know presently described pressure-bearing type heat storage water tank
Instantaneous heats power.For example, varying environment temperature and the different water tank temperatures of certain heat pump product (average heating capacity 3200W)
Under corresponding instantaneous heats power (unit:W) as follows:
In order to accurately calculate the remaining hot water η of the pressure-bearing type heat storage water tank, in embodiments of the present invention, the step
S6 is specially:
According to the remaining hot water η of temperature sensing early period blind area1, the remaining hot water in mid-term temperature steep drop area
η2With the remaining hot water η of the latter temperature detection blind area3, the pressure-bearing type heat storage water tank is calculated by following calculation formula
Remaining hot water η:
η=η1+η2+η3。
In order to solve identical technical problem, the present invention also provides a kind of calculating of pressure-bearing type heat storage water tank remaining hot water
Device, including processor, memory and be stored in the memory and be configured as the calculating executed by the processor
Machine program, the processor realize the meter such as above-mentioned pressure-bearing type heat storage water tank remaining hot water when executing the computer program
Calculation method.
In order to solve identical technical problem, the present invention also provides a kind of water heater, including shell, it is equipped in the shell
The computing device of pressure-bearing type heat storage water tank and such as above-mentioned pressure-bearing type heat storage water tank remaining hot water;The single temperature acquisition
Point is electrically connected with the computing device of the pressure-bearing type heat storage water tank remaining hot water.
To sum up, computational methods, device and the water heater of a kind of pressure-bearing type heat storage water tank after-heat provided by the invention, institute
The computational methods of pressure-bearing type heat storage water tank after-heat are stated by obtaining the single collected pressure-bearing of temperature acquisition point
The actual temperature T of type heat storage water tankIt is practical;Calculate the volume V of temperature sensing early period blind area1, mid-term temperature steep drop area
Volume V2With the volume V of the latter temperature detection blind area3;And the residue by calculating separately temperature sensing early period blind area
Hot water amount η1, mid-term temperature steep drop area remaining hot water η2, the latter temperature detection blind area remaining hot water η3,
And then the remaining hot water η of the pressure-bearing type heat storage water tank is calculated, it can accurately be calculated by the single temperature acquisition point
The remaining hot water of pressure-bearing type heat storage water tank, and ensure the control system and product knot of the water heater containing pressure-bearing type heat storage water tank
Structure is simplified, to reduce the cost of product.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of computational methods of pressure-bearing type heat storage water tank remaining hot water, which is characterized in that the pressure-bearing type heat storage water tank
Liner is in turn divided into temperature sensing early period blind area, mid-term temperature steep drop area and latter temperature detection blind area from top to bottom, described
Single temperature acquisition point is equipped in mid-term temperature steep drop area;The computational methods of the pressure-bearing type water tank remaining hot water include:
Obtain the actual temperature T of the single collected pressure-bearing type heat storage water tank of temperature acquisition pointIt is practical;
Calculate the volume V of temperature sensing early period blind area1, the volume V in mid-term temperature steep drop area2With the latter temperature
The volume V of detection blind area3;Wherein, V1T during water is continuously used for userIt is practicalBy TSettingDrop to TMinWhen, the pressure-bearing type water storage
The volume of the water of case discharge;V2T during water is continuously used for userIt is practicalBy TMinDrop to TIt is mixedWhen, the pressure-bearing type heat storage water tank row
The volume of the water gone out;V3It is continuously used during water from T for userIt is practical< TIt is mixedHot water in the pressure-bearing type heat storage water tank is complete
When discharge, the volume of the water of the pressure-bearing type heat storage water tank discharge;TSettingFor target water temperature set by user, TMinFor user's water
Minimum temperature, TIt is mixedFor highest water-mixing temperature;
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1With the later stage
The volume V of temperature sensing blind area3, calculate the remaining hot water η of temperature sensing early period blind area1;
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the volume V in mid-term temperature steep drop area2, during calculating is described
The remaining hot water η in phase temperature steep drop area2;
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1With the later stage
The volume V of temperature sensing blind area3, calculate the remaining hot water η of the latter temperature detection blind area3;
According to the remaining hot water η of temperature sensing early period blind area1, the remaining hot water η in mid-term temperature steep drop area2With
The remaining hot water η of the latter temperature detection blind area3, calculate the remaining hot water η of the pressure-bearing type heat storage water tank.
2. the computational methods of pressure-bearing type heat storage water tank remaining hot water as described in claim 1, which is characterized in that the basis
The actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1It is visited with the latter temperature
Survey the volume V of blind area3, calculate the remaining hot water η of temperature sensing early period blind area1Specially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1With the later stage
The volume V of temperature sensing blind area3, the remaining hot water η of temperature sensing early period blind area is calculated by following calculation formula1:
η1=V1/(V1+V3) * (TIt is practical-TMin)/(TSetting-TMin);
Wherein, work as TIt is practical> TSettingWhen, TIt is practicalTake TSettingValue;Work as TIt is practical< TMinWhen, TIt is practicalTake TMinValue.
3. the computational methods of pressure-bearing type heat storage water tank remaining hot water as described in claim 1, which is characterized in that the basis
The actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the volume V in mid-term temperature steep drop area2, calculate the mid-term temperature
The remaining hot water η in the areas Dou Jiang2Specially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalWith the volume V in mid-term temperature steep drop area2, pass through following meter
Calculate the remaining hot water η that formula calculates mid-term temperature steep drop area2:
η2=η (TIt is practical, V2);Wherein, work as V2When=0, η2=0.
4. the computational methods of pressure-bearing type heat storage water tank remaining hot water as described in claim 1, which is characterized in that the basis
The actual temperature T of the pressure-bearing type heat storage water tankIt is practical, temperature sensing early period blind area volume V1It is visited with the latter temperature
Survey the volume V of blind area3, calculate the remaining hot water η of the latter temperature detection blind area3It specifically includes:
According to the volume V of the latter temperature detection blind area3, calculate the maximum of the latter temperature detection blind area and continuously managed with water
By time tMax;Wherein, tMaxDuring continuously using water for user, from TIt is practical< TIt is mixedHot water quilt in the pressure-bearing type heat storage water tank
Time used when being completely exhausted out;
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalIt is continuously managed with water with the maximum of the latter temperature detection blind area
By time tMax, calculate the accumulation water time t of the latter temperature detection blind areaAccumulation;Wherein, tAccumulationFor cold water to the later stage
Behind temperature sensing blind area, time for being accumulated during water temperature reduces;
Water theory time t is continuously used according to the maximum of the latter temperature detection blind areaMax, the latter temperature detection blind area
Accumulation water time tAccumulation, temperature sensing early period blind area volume V1With the volume V of the latter temperature detection blind area3, lead to
Cross the remaining hot water η that following calculation formula calculates the latter temperature detection blind area3:
η3=V3/(V1+V3) * (tMax-tAccumulation)/tMax。
5. such as the computational methods of claim 2-4 any one of them pressure-bearing type heat storage water tank remaining hot waters, feature exists
In the volume V for calculating temperature sensing early period blind area1, the volume V in mid-term temperature steep drop area2With the later stage temperature
Spend the volume V of detection blind area3It specifically includes:
According to the distance L of the bottom of single liner of the temperature acquisition point to the pressure-bearing type heat storage water tank1And the pressure-bearing
The height L of the liner of type heat storage water tank2, the opposite accounting D of the single temperature acquisition point is calculated by following calculation formula:
D=L1/L2;
According to the opposite accounting D of the single temperature acquisition point, temperature early period is calculated separately by following calculation formula and is visited
Survey the volume V of blind area1, mid-term temperature steep drop area volume V2With the volume V of the latter temperature detection blind area3:
V1=δ * D*VWater tank, V2=0, V3=δ * (1-D) * VWater tank;Wherein, δ is that the hot water of the pressure-bearing type heat storage water tank is defeated
Extracting rate, VWater tankFor the maximum volume of the pressure-bearing type heat storage water tank.
6. the computational methods of pressure-bearing type heat storage water tank remaining hot water as claimed in claim 5, which is characterized in that described according to institute
State the volume V of latter temperature detection blind area3, the maximum of the latter temperature detection blind area is calculated continuously with water theory time tMax
Specially:
According to the volume V of the latter temperature detection blind area3, the latter temperature detection blind area is calculated by following calculation formula
Maximum continuously use water theory time tMax:
tMax=V3/SIt is average;
Wherein, SIt is averageFor the average consumption in the Subscriber Unit time.
7. the computational methods of pressure-bearing type heat storage water tank remaining hot water as claimed in claim 6, which is characterized in that the basis
The actual temperature T of the pressure-bearing type heat storage water tankIt is practicalThe water theory time is continuously used with the maximum of the latter temperature detection blind area
tMax, calculate the accumulation water time t of the latter temperature detection blind areaAccumulationSpecially:
According to the actual temperature T of the pressure-bearing type heat storage water tankIt is practicalIt is continuously managed with water with the maximum of the latter temperature detection blind area
By time tMax, it is calculated by the following formula the accumulation water time t of the latter temperature detection blind areaAccumulation:
As judgement TIt is practical> TMinAnd Δ TIt is practicalAt >=2 DEG C, Δ TIt is practicalOften rise 2 DEG C, system-computed is primary, at this time tAccumulation=tAccumulation-
INT(ΔTIt is practical/ 2) * [2*tMax/(TSetting-TMin)];Wherein, work as tAccumulationWhen≤0, t is takenAccumulation=0;ΔTIt is practicalFor TIt is practicalUpper heating
Degree;
As judgement TIt is practical> TMinAnd when Δ T≤1 DEG C, tAccumulation=tAccumulation;
As judgement TMin≥TIt is practical≥TIt is mixedWhen, tAccumulation=tAccumulation;
As judgement TIt is practical< TIt is mixedAnd TIt is practicalWhen not increasing, system calculates once each second, at this time tAccumulation=tAccumulation+1;Wherein, work as tAccumulation≥
tMaxWhen, take tAccumulation=tMax;
As judgement TIt is practical< TSetting- 25 DEG C and first appear Δ TIt is practicalWhen 3 DEG C of >, tAccumulation=[(VCold water-V1)/V3] * tMax;
Wherein, VCold water=P*t/CWater* ρWater* Δ T;VCold waterFor the volume of cold water layer, P is the heating of the pressure-bearing type heat storage water tank
Power, t are the heating time of cold water layer, CWaterFor the specific heat capacity of water, ρWaterFor the density of water, Δ T is the temperature of cold water in cold water layer
Rising value.
8. the computational methods of pressure-bearing type heat storage water tank remaining hot water according to any one of claims 1-4, feature exist
In the remaining hot water η according to temperature sensing early period blind area1, the remaining hot water η in mid-term temperature steep drop area2
With the remaining hot water η of the latter temperature detection blind area3, the remaining hot water η for calculating the pressure-bearing type heat storage water tank is specific
For:
According to the remaining hot water η of temperature sensing early period blind area1, the remaining hot water η in mid-term temperature steep drop area2With
The remaining hot water η of the latter temperature detection blind area3, the surplus of the pressure-bearing type heat storage water tank is calculated by following calculation formula
Waste heat water η:
η=η1+η2+η3。
9. a kind of computing device of pressure-bearing type heat storage water tank remaining hot water, which is characterized in that including processor, memory and
It is stored in the memory and is configured as the computer program executed by the processor, the processor executes the meter
The computational methods such as pressure-bearing type heat storage water tank remaining hot water described in any item of the claim 1 to 8 are realized when calculation machine program.
10. a kind of water heater, which is characterized in that be equipped with pressure-bearing type heat storage water tank including shell, in the shell and such as right
It is required that the computing device of the pressure-bearing type heat storage water tank remaining hot water described in 9;The single temperature acquisition point and the pressure-bearing type
The computing device of heat storage water tank remaining hot water is electrically connected.
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CN112263200A (en) * | 2020-10-22 | 2021-01-26 | 上海明略人工智能(集团)有限公司 | Power adjusting method, device and system based on inlet water temperature |
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