CN105202765A - Device and method for predicting residual hot water quantity of water heater - Google Patents
Device and method for predicting residual hot water quantity of water heater Download PDFInfo
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- CN105202765A CN105202765A CN201510539144.9A CN201510539144A CN105202765A CN 105202765 A CN105202765 A CN 105202765A CN 201510539144 A CN201510539144 A CN 201510539144A CN 105202765 A CN105202765 A CN 105202765A
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Abstract
The invention relates to a device for predicting residual hot water quantity of a water heater. A water tank volume is divided into a plurality of subregions in the vertical direction; the inside of each subregion is correspondingly provided with a temperature sensor; a display device and the temperature sensor are respectively connected with a controller; the temperature sensor is used for detecting and backfeeding the temperature of the corresponding subregion; and the display device is used for displaying the residual hot water quantity. The detection method comprises the following steps: switching on the power, presetting application temperature and the like. Since each temperature sensor is corresponding to one subregion, the residual hot water quantity in the water tank can be accurately predicted no matter the water heater is in the static heating state or operating state.
Description
Technical field
The present invention relates to a kind of apparatus and method predicting the water heater delayed heat water yield, be applicable to the water heater of the band water tanks such as electric heater, Teat pump boiler, solar water heater.
Background technology
Water heater is one of requisite household electrical appliance of every household everyday life, and the delayed heat water yield in real-time display water heater water tank, has very great help in use to user.Traditional water heater delayed heat water yield Forecasting Methodology can only be predicted the hot water surplus left standstill in non-heating water tank, cannot when user uses in hot water process or water heater static state heats, the prediction delayed heat water yield.For overcoming above-mentioned defect, the apparatus and method of the prediction water heater delayed heat water yield are developed.
Summary of the invention
Technical problem to be solved by this invention to provide a kind of method and apparatus predicting the water heater delayed heat water yield, can when user uses water heater or when water heater static state heats, remaining hot water amount in real-time Accurate Prediction water tank.
The technical scheme that the present invention solves the employing of its technical problem is: a kind of device predicting the water heater delayed heat water yield, comprise water tank, heater, controller, display, water tank is provided with water inlet pipe and outlet pipe, heater is arranged in water tank, water tank volume is it is characterized in that vertically to be divided into several subregions, in every sub regions, correspondence is provided with a temperature sensor, display, temperature sensor are all connected with controller, temperature sensor is for detecting and feeding back the temperature of corresponding subregion, and display is for showing the delayed heat water yield.
Described temperature sensor is installed on tank inner wall.
Be provided with standpipe in described water tank, temperature sensor is arranged on standpipe.
The distance of the dried up case sidewall of the test section distance of positions of described temperature sensor is a, and the distance in the middle part of water tank between the widest part two side is b, a=1/4b ~ 3/4b.
The volume that described water tank inlet place temperature sensor is corresponding, the volume that heater place place temperature sensor is corresponding are less than volume corresponding to tank outlet place temperature sensor.
Predict a method for the water heater delayed heat water yield, it is characterized in that comprising above-mentioned device, detecting step is as follows, the i=1 in step, and 2 ... n):
1) switch on power, preset serviceability temperature, then enter 2);
2) n temperature sensor detects the water temperature of N number of subregion in real time, per interval △ t to controller export one group of temperature value T (1), T (2) ... T (i) ... T (n-1), T (n), then enter 3);
3) T (i) >=default serviceability temperature is judged whether one by one, if then enter 4), then export " 0 " signal if not, then enter 5);
4) the hot water amount qi of the corresponding subregion of i-th temperature sensor is calculated one by one, qi equals the volume Vi of subregion corresponding to temperature sensor i, then calculates total surplus hot water amount Q, Q=q1+ ... + qi+ ... qn, then the display display delayed heat water yield, enters 6 afterwards);
5) record receives the quantity of " 0 " signal, then judges whether this quantity equals n, if then the display display delayed heat water yield is 0, enters 6 afterwards), then will receive the quantity zero of " 0 " signal if not, then reenter step 3);
6) display per interval △ t upgrades a delayed heat water yield, until shutdown.
Described tank inlet pipe is provided with flow sensor or flow sensor, water inlet pipe sectional area is S, described step 2) in also comprise the step of flow sensor or flow sensor monitoring flow of inlet water or water inlet flow velocity in real time respectively, step 2) enter step 3) while also enter following steps:
S1: per interval △ t exports an a flow value qv or flow speed value v, judge whether qv>0 or v>0, then directly enter S2 in this way, then set qv=qv0 or v=v0 if not, qv0 is the discharge of water inlet pipe under normal operation, v0 is the water velocity of water inlet pipe under normal operation, then enters S2;
S2: calculate and show surplus hot water's pot life t, t=Q/qv or t=Q/ (v*S), wherein Q is the total surplus hot water amount in step 4), and then display per interval △ t upgrades a surplus hot water and uses duration, until shutdown.
The step presetting serviceability temperature in described step 1) comprises:
Judge whether user presets serviceability temperature T, then enters 2 in this way), then presetting serviceability temperature is if not T0, T0=38 ~ 45 DEG C, then enters 2).
Described qv0=3 ~ 20L/min, v0=0.25 ~ 2m/s.
Described △ t=0.5 ~ 60s, in step 5), the display display delayed heat water yield is the step also comprising display display surplus hot water pot life t=0 after 0, then enters 6).
The present invention compares produced beneficial effect with background technology: device of the present invention adopts and water tank volume is vertically divided into several subregions, in every sub regions, correspondence is provided with a temperature sensor, display, temperature sensor is all electrically connected with controller, temperature sensor is for detecting and feeding back the temperature of corresponding subregion, display is for showing the delayed heat water yield, detection method adopts and switches on power, preset the scheme of the steps such as serviceability temperature, due to the corresponding sub regions of each temperature sensor, no matter water heater is under static heated condition or under using state, remaining hot water amount in equal energy Accurate Prediction water tank.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention;
Fig. 2 is the structure chart of one embodiment of the present invention;
Fig. 3 is the structure chart of another embodiment of the invention.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, Fig. 3, the device of the prediction water heater delayed heat water yield of the present embodiment comprises water tank, heater, controller, display, involved water-heater water tank is the press-bearing water tank of a kind of electric heater, Teat pump boiler, solar water heater etc., comprises horizontal and vertical two kinds.Water tank is provided with water inlet pipe and outlet pipe, heater is arranged in water tank, water tank volume is vertically divided into N number of subregion, the volume that N number of subregion is corresponding is respectively: V1, V2 ... Vi ... Vn, in every sub regions, correspondence is provided with a temperature sensor, and display, temperature sensor are all connected with controller, temperature sensor is for detecting and feeding back the temperature of corresponding subregion, and display is for showing the delayed heat water yield.N temperature sensor (n is integer, and scope is between 4 ~ 50) is vertically arranged at water tank, i.e. N number of subregion corresponding n temperature sensor respectively, for the temperature parameter of the inner differing heights water of Real-Time Monitoring water heater in the present embodiment.
Particularly, be provided with standpipe on the inwall that described temperature sensor is installed on inner water tank or described inner water tank is upper, temperature sensor is arranged on standpipe, and standpipe bottom is fixed on the bottom of inner water tank, makes temperature sensor be convenient to fix.
Preferably, the distance of the dried up case sidewall of the test section distance of positions of described temperature sensor is a, in the middle part of water tank between the widest part two side distance be b, a=1/4b ~ 3/4b, adopt this structure that the detection position of temperature sensor can be made to be positioned at position in the middle part of close to water tank, more accurately can react the temperature of corresponding subregion.
Preferably, water temperature due to water tank upper is higher and distribution of water temperature is more even, bottom water temperature is lower and distribution is not too even, delayed heat water yield during in order to better predict that water heater heats with static state in use in water tank, the volume that water tank inlet place temperature sensor is corresponding, the volume that heater place place temperature sensor is corresponding are less than volume corresponding to tank outlet place temperature sensor, and namely near water tank inlet and internal heat resource, temperature sensor is higher than along the density that short transverse is arranged the density that near tank outlet, temperature sensor is arranged along short transverse.Suppose that the volume of the subregion that temperature sensor is corresponding near water tank inlet and internal heat resource is Vx1, the volume that near water outlet of water tank place, temperature sensor is corresponding is Vx2, so Vx2=(2-5) Vx1.
Predict a method for the water heater delayed heat water yield, comprise above-mentioned device, detecting step is as follows, the i=1 in step, and 2 ... n):
1) switch on power, preset serviceability temperature, then enter 2);
2) n temperature sensor detects the water temperature of N number of subregion in real time, per interval △ t to controller export one group of temperature value T (1), T (2) ... T (i) ... T (n-1), T (n), then enter 3);
3) T (i) >=default serviceability temperature is judged whether one by one, if then illustrate that the water of this temperature sensor place subregion is hot water, now enter 4), then illustrate that the water temperature of this temperature sensor place subregion does not reach preset requirement if not, not can be regarded as hot water, now, export " 0 " signal, then enter 5);
4) the hot water amount qi of the corresponding subregion of i-th temperature sensor is calculated one by one, qi equals the volume Vi of subregion corresponding to temperature sensor i, calculate total surplus hot water amount Q again, Q=q1+ ... + qi+ ... by all, qn, detects that the summation for the region of hot water can be regarded as total hot water amount.It should be noted that, Q=q1+ in this step ... + qi+ ... qn, wherein q1, qi, qn only represent the volume of the corresponding subregion of the 1st, i-th, n-th temperature sensor entering this step, and then the display display delayed heat water yield, enters 6 afterwards);
5) record receives the quantity of " 0 " signal, then judges whether this quantity equals n, if then illustrate in all subregions it is not hot water, the now display display delayed heat water yield is 0, enter 6 afterwards), then will receive the quantity zero of " 0 " signal if not, then reenter step 3);
6) display per interval △ t upgrades a delayed heat water yield, until shutdown.
By above-mentioned steps, controller can calculate the delayed heat water yield in water tank.
Described tank inlet pipe is provided with flow sensor or flow sensor, water inlet pipe sectional area is S, described step 2) in also comprise the step of flow sensor or flow sensor monitoring flow of inlet water or water inlet flow velocity in real time respectively, step 2) enter step 3) while also enter following steps:
S1: per interval △ t exports an a flow value qv or flow speed value v, judge whether qv>0 or v>0, then illustrate that water heater is just in using state in this way, cold water is had to enter, now directly enter S2, then illustrate that now water heater is in static heated condition if not, user does not use water heater, tank inlet pipe frozen-free enters, now set qv=qv0 or v=v0, then S2 is entered, qv0 is the discharge of water inlet pipe under normal operation, v0 is the water velocity of water inlet pipe under normal operation, cause water heater working at ordinary times, when having cold water to enter, there is a flow, flow speed value, controller can record flow under normal circumstances automatically, flow speed value, setting qv0, the object of v0, for the ease of calculating in next step surplus hot water's service time, namely do not use at water heater, water tank is flowed into without cold water, surplus hot water's service time is calculated in water tank under static heated condition.Particularly, the qv0=3 ~ 20L/min described in the present embodiment, v0=0.25 ~ 2m/s.
S2: calculate and show surplus hot water's pot life t, t=Q/qv or t=Q/ (v*S), wherein Q is the total surplus hot water amount in step 4), and then display per interval △ t upgrades a surplus hot water and uses duration, until shutdown.
Further, the step presetting serviceability temperature in described step 1) comprises:
Judge whether user presets serviceability temperature T, then enters 2 in this way), then presetting serviceability temperature is if not T0, T0=38 ~ 45 DEG C, then enters 2), namely first preset temperature considers the selection of user, and when user does not select, controller presets serviceability temperature T0 automatically.
Described △ t=0.5 ~ 60s, in step 5), the display display delayed heat water yield is the step also comprising display display surplus hot water pot life t=0 after 0, then enters 6).
Operation principle: under different temperatures, the density of water is different, and temperature is higher, the density of water is less, and temperature is lower, the density of water is larger.Water heater leave standstill do not use time, can think that hot water temperature's distribution presents the rule that head temperature is high, bottom temp is low in water tank.
But when user uses water heater, after cold water enters water tank, this rule can be broken, namely may occur the phenomenon that local water temperature is high, local water temperature is low.And when the heating of water heater static state, also there will be the phenomenon that distribution of water temperature is irregular, heat local regions temperature is high.
In the water tank of water heater, by the temperature subregion being vertically divided into several different of water in boiler, when sub-zone dividing is abundant, can think that the hot water temperature in each subregion is identical, i.e. the corresponding temperature value of each subregion.When cisten mechanism is certain, sensing station certain after, each sensor is a corresponding sub regions value respectively, and each subregion is a corresponding volume respectively: V1 ... Vi ... Vn.
The present invention by arranging multiple temperature sensor along short transverse in water tank, the water temperature of diverse location in each moment water tank is passed to control system, by Logic judgment and the calculating of control system, by independently calculating subregion N number of in water tank, the final delayed heat water yield exported in this water tank.This Forecasting Methodology go for user use in hot water process or water heater static state heating time, the accurately predicting of the delayed heat water yield in water tank.
Another function of the present invention is prediction surplus hot water being used to duration, by installing flow or flow sensor in water feeding of heater section, the influx of monitoring water heater cold water in real time, in conjunction with the delayed heat water yield, by logical calculated, the residue doping water heater uses duration.
Claims (10)
1. predict the device of the water heater delayed heat water yield for one kind, comprise water tank, heater, controller, display, water tank is provided with water inlet pipe and outlet pipe, heater is arranged in water tank, it is characterized in that water tank volume to be vertically divided into several subregions, in every sub regions, correspondence is provided with a temperature sensor, and display, temperature sensor are all connected with controller, temperature sensor is for detecting and feeding back the temperature of corresponding subregion, and display is for showing the delayed heat water yield.
2. the device of the prediction water heater delayed heat water yield according to claim 1, is characterized in that described temperature sensor is installed on tank inner wall.
3. the device of the prediction water heater delayed heat water yield according to claim 1, it is characterized in that being provided with standpipe in described water tank, temperature sensor is arranged on standpipe.
4. the device of the prediction water heater delayed heat water yield according to any one of claims 1 to 3, the distance that it is characterized in that the dried up case sidewall of the test section distance of positions of described temperature sensor is a, distance in the middle part of water tank between the widest part two side is b, a=1/4b ~ 3/4b.
5. the device of the prediction water heater delayed heat water yield according to any one of claims 1 to 3, is characterized in that volume that described water tank inlet place temperature sensor is corresponding, the volume that heater place place temperature sensor is corresponding is less than volume corresponding to tank outlet place temperature sensor.
6. predict a method for the water heater delayed heat water yield, it is characterized in that comprising the device described in any one of Claims 1 to 5, detecting step is as follows, the i=1 in step, and 2 ... n):
1) switch on power, preset serviceability temperature, then enter 2);
2) n temperature sensor detects the water temperature of N number of subregion in real time, per interval △ t to controller export one group of temperature value T (1), T (2) ... T (i) ... T (n-1), T (n), then enter 3);
3) T (i) >=default serviceability temperature is judged whether one by one, if then enter 4), then export " 0 " signal if not, then enter 5);
4) the hot water amount qi of the corresponding subregion of i-th temperature sensor is calculated one by one, qi equals the volume Vi of subregion corresponding to temperature sensor i, then calculates total surplus hot water amount Q, Q=q1+ ... + qi+ ... qn, then the display display delayed heat water yield, enters 6 afterwards);
5) record receives the quantity of " 0 " signal, then judges whether this quantity equals n, if then the display display delayed heat water yield is 0, enters 6 afterwards), then will receive the quantity zero of " 0 " signal if not, then reenter step 3);
6) display per interval △ t upgrades a delayed heat water yield, until shutdown.
7. the method for the prediction water heater delayed heat water yield according to claim 6, it is characterized in that described tank inlet pipe is provided with flow sensor or flow sensor, water inlet pipe sectional area is S, described step 2) in also comprise the step of flow sensor or flow sensor monitoring flow of inlet water or water inlet flow velocity in real time respectively, step 2) enter step 3) while also enter following steps:
S1: per interval △ t exports an a flow value qv or flow speed value v, judge whether qv>0 or v>0, then directly enter S2 in this way, then set qv=qv0 or v=v0 if not, qv0 is the discharge of water inlet pipe under normal operation, v0 is the water velocity of water inlet pipe under normal operation, then enters S2;
S2: calculate and show surplus hot water's pot life t, t=Q/qv or t=Q/ (v*S), wherein Q is the total surplus hot water amount in step 4), and then display per interval △ t upgrades a surplus hot water and uses duration, until shutdown.
8. the method for the prediction water heater delayed heat water yield according to claim 6, is characterized in that the step presetting serviceability temperature in described step 1) comprises:
Judge whether user presets serviceability temperature T, then enters 2 in this way), then presetting serviceability temperature is if not T0, T0=38 ~ 45 DEG C, then enters 2).
9. the method for the prediction water heater delayed heat water yield according to claim 7, is characterized in that described qv0=3 ~ 20L/min, v0=0.25 ~ 2m/s.
10. the method for the prediction water heater delayed heat water yield according to any one of claim 6 ~ 9, it is characterized in that described △ t=0.5 ~ 60s, in step 5), the display display delayed heat water yield is the step also comprising display display surplus hot water pot life t=0 after 0, then enters 6).
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| CN108286813A (en) * | 2017-01-09 | 2018-07-17 | 芜湖美的厨卫电器制造有限公司 | Electric heater and its control method |
| CN108571826A (en) * | 2017-03-08 | 2018-09-25 | 青岛经济技术开发区海尔热水器有限公司 | A kind of control method of electric water heater and electric heater |
| CN108571822A (en) * | 2017-03-08 | 2018-09-25 | 青岛经济技术开发区海尔热水器有限公司 | Remaining bathing time computational methods with dynamic heating electric water heater and water heater |
| CN108571823A (en) * | 2017-03-08 | 2018-09-25 | 青岛经济技术开发区海尔热水器有限公司 | Have the function of the control method and electric heater of dynamic heat electric heater |
| CN108800601A (en) * | 2018-08-29 | 2018-11-13 | 广东万博电气有限公司 | Computational methods, device and the water heater of pressure-bearing type heat storage water tank remaining hot water |
| CN110017613A (en) * | 2019-03-18 | 2019-07-16 | 广东万和新电气股份有限公司 | The forecasting procedure of storage-type electric water heater residue bathing time |
| CN110338640A (en) * | 2019-07-16 | 2019-10-18 | 宁波奥克斯电气股份有限公司 | A kind of electricity control method of steam box, control device and electric steam box |
| CN114174731A (en) * | 2019-07-31 | 2022-03-11 | 里姆制造公司 | Water heater with real-time hot water supply quantity determining function |
| CN114505190A (en) * | 2022-02-14 | 2022-05-17 | 珠海格力电器股份有限公司 | Control method and control device of shower system, storage medium and processor |
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| CN108800601B (en) * | 2018-08-29 | 2020-09-15 | 广东万博电气有限公司 | Method and device for calculating residual hot water amount of pressure-bearing type heat storage water tank and water heater |
| CN110017613A (en) * | 2019-03-18 | 2019-07-16 | 广东万和新电气股份有限公司 | The forecasting procedure of storage-type electric water heater residue bathing time |
| CN110338640A (en) * | 2019-07-16 | 2019-10-18 | 宁波奥克斯电气股份有限公司 | A kind of electricity control method of steam box, control device and electric steam box |
| CN114174731A (en) * | 2019-07-31 | 2022-03-11 | 里姆制造公司 | Water heater with real-time hot water supply quantity determining function |
| CN114505190A (en) * | 2022-02-14 | 2022-05-17 | 珠海格力电器股份有限公司 | Control method and control device of shower system, storage medium and processor |
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