CN108036514A - Water tank target water temperature control method and air source heat pump type water heater - Google Patents
Water tank target water temperature control method and air source heat pump type water heater Download PDFInfo
- Publication number
- CN108036514A CN108036514A CN201711250715.2A CN201711250715A CN108036514A CN 108036514 A CN108036514 A CN 108036514A CN 201711250715 A CN201711250715 A CN 201711250715A CN 108036514 A CN108036514 A CN 108036514A
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- water
- temperature
- water tank
- control method
- water temperature
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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
-
- 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
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
A kind of air source heat pump type water heater the invention discloses water tank target water temperature control method and using this method.The control method comprises the following steps：Set the water demand amount of different time and with water water temperature；Water tank target water temperature is calculated according to water tank capacity and with the water time；Judge the section residing for the water tank target water temperature that is calculated and determine final water tank target water temperature.The present invention carries out the fuzzy evaluation of cistern water supply temperature according to user with Fluid Dynamics water consumption, with water water temperature, can ensure user with hydro-thermal amount it is enough in the case of reduce cistern water supply temperature, reduction air source heat pump energy consumption as far as possible.
Description
Technical field
The present invention relates to household electrical appliance, more particularly to a kind of water tank target water temperature control method and air source heat pump type hot water
Device.
Background technology
Water heater is everybody common household electrical appliance.The use habit of most of user is to set fixed temperature, water tank
Temperature sensing package detection water carry out keeping warm mode when reaching set temperature value.Since the custom of user's water is different, with water purpose
It is different（Such as wash bowls, have a bath, wash vegetables, washes one's face）, required leaving water temperature is also different.The energy consumption and set water temperature of air source heat pump
Closely related, water tank set water temperature is more high, and energy consumption dramatically increases.Due to water heater using when be to be used in mixed way to reach with tap water
To user's actual water temperature demand, after the water tank for configuring certain capacity, it is easy to cause energy dissipation caused by improper use.Such as
Water tank set water temperature is 50 DEG C conventional（It will not generally become again after user's setting）, in the higher applying working condition of environment temperature, originally
Water temperature angle value is higher, and the proportional quantity demand of high-temperature-hot-water is substantially reduced, and water heater is always maintained at of a relatively high water outlet
Temperature, air source heat pump energy consumption is more, and water tank leakage heat loss is also relatively more.It is larger for day and night temperature, four seasons difference variation
Big territory of use, not energy saving phenomenon are even more serious.Rely solely on user oneself and adjust water
Box temperature degree is realized energy saving in actual use and unrealistic.
In addition, regular air source heat pump water heater power saving function, in the range of operation of heat pump, auxiliary electrical heater is not turned on.When
When user largely uses water, it may appear that the situation that water temperature reduces, causes user's real experiences ineffective.
The content of the invention
The present invention proposes a kind of water tank target water temperature control method and the air source heat pump type water heater using this method, should
Control method and water heater can be according to environmental change, periods with water purpose and demand, user's water demand amount real-time intelligent tune
Water tank target water temperature is controlled, energy-saving effect is notable.
The technical solution adopted by the present invention is that a kind of water tank target water temperature control method, comprises the following steps：
According to water tank capacity and the water demand amount V with the water timenWith with water water temperature TUse nCalculate water tank target water temperature；
Judge the section residing for the water tank target water temperature that is calculated and determine final water tank target water temperature.
Water tank target water temperature TSet nCalculation formula be：TSet n=Vn*TUse n/ V, wherein：VnIt is water demand amount, TUse nIt is to use
Water water temperature, V are water tank capacities.
First, the section of water tank target water temperature is set（Tmin-Tmax）, then judged according to calculated value：
If TSet n＜ Tmin, then TSet n=Tmin；
If Tmax≥TSet n≥Tmin, then TSet n=Vn*TUse n/V；
If TSet n＞ Tmax, then TSet n=Tmax。
Preferably, Tmin=35 DEG C, Tmax=55℃。
Preferably, present invention additionally comprises the temperature of detection water tank, and a data are updated per the t times, gone out when the continuous m cycles
The temperature T of one-time detection before existingBeforeMore than the temperature T of rear one-time detectionAfterwardsWhen, then into high water temperature operational mode, TSet n=Tmax。
Preferably, the t times are 2 seconds, and the m cycles value range is 3-10.
Preferably, the water tank is equipped with temperature sensing package up and down, and X is temperature sensing package temperature on water tank, and Y is temperature sensing package under water tank
Temperature, TAfterwards=（Xt+Yt）/ 2, TBefore=（Xt-1+Yt-1）/2.
Preferably, present invention additionally comprises bottom out after water tank temperature is declining a period of time, and during rise
If have in the update cycle at least once and detect TAfterwards＞ TSet nWhen, then high water temperature operational mode is exited, is back to TSet n=Vn*TUse n/
V is controlled.
The present invention also proposes a kind of air source heat pump type water heater using above-mentioned control method, the air source heat pump type
Water heater includes condenser, and the condenser adds outer wound coil structure using enclosed press-bearing water tank, and the top and the bottom of the water tank are equal
Equipped with temperature sensing package.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention can regulate and control water according to environmental change, period with water purpose and demand, user's water demand amount real-time intelligent
Case target water temperature, energy-saving effect are notable.
2nd, The present invention reduces user's operation, solves the puzzlement of high energy consumption during actual use water heater.
3rd, the present invention is detected by the renewal of water tank temperature sensing package, judges to use regimen condition, is opened high water temperature operation in time, is met
The interim water demand of user, solves the problems, such as that water temperature can reduce in water tank during actual user's water.
Brief description of the drawings
Fig. 1 is the schematic diagram of air source heat pump type water heater；
Fig. 2 is the flow chart of control method of the present invention.
Embodiment
Invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, air source heat pump type water heater proposed by the present invention includes passing through the sequentially connected compressor of pipeline
1st, condenser 2, electric expansion valve 3 and evaporator 4.The front and back end of electric expansion valve is equipped with filter 5.Suction side is equipped with
Gas-liquid separator 6.Condenser 2 adds outer wound coil structure using enclosed press-bearing water tank, and the high temperature and high pressure gas of compressor discharge are given
Water heating in water tank, then returns to compressor by electric expansion valve and evaporator, completes one cycle.
The target water temperature setting control method of air source hot pump water heater proposed by the present invention can be according to environmental change, time
Section water purpose and demand, user's water demand amount real-time intelligent auto-control water tank target water temperature, energy-saving effect are notable.
The present invention can enter control model by one key of manual operator button, when being first according to 0-23 moment and setting different
Between water demand amount VnWith with water water temperature TUse n。
1st, water demand amount is set according to the time.
Water demand amount under user's day custom is generally averaged using what is be accustomed to popular water consumption day in annual 12 month
Water consumption, obtains according to actual service condition after sale and empirical data, and non-variables, its size is directly write into software program, joins
With control.Water demand amount V under user day customnAccording to the form below is set.
| Period | 0 | 1 | 2 | 3 | 4 | 5 |
| Water consumption | V0 | V1 | V2 | V3 | V4 | V5 |
| Period | 6 | 7 | 8 | 9 | 10 | 11 |
| Water consumption | V6 | V7 | V8 | V9 | V10 | V11 |
| Period | 12 | 13 | 14 | 15 | 16 | 17 |
| Water consumption | V2 | V13 | V14 | V15 | V16 | V17 |
| Period | 18 | 19 | 20 | 21 | 22 | 23 |
| Water consumption | V18 | V19 | V20 | V21 | V22 | V23 |
2nd, according to time setting water water temperature.
The acquiescence being generally accustomed to water water temperature using masses' civil water water temperature in annual 12 month under user day custom
Value, obtains according to actual service condition after sale and empirical data, and non-variables, its size is directly write into software program, participates in control
System.It is the mixed water temperature value of the gentle tap water at normal temperature of Water in Water Tank with water water temperature, its value is in 37-42 DEG C of value.User day custom
Under use water water temperature TUse nAccording to the form below is set.
| Period | 0 | 1 | 2 | 3 | 4 | 5 |
| With water water temperature | TWith 0 | TWith 1 | TWith 2 | TWith 3 | TWith 4 | TWith 5 |
| Period | 6 | 7 | 8 | 9 | 10 | 11 |
| With water water temperature | TWith 6 | TWith 7 | TWith 8 | TWith 9 | TWith 10 | TWith 11 |
| Period | 12 | 13 | 14 | 15 | 16 | 17 |
| With water water temperature | TWith 12 | TWith 13 | TWith 14 | TWith 15 | TWith 16 | TWith 17 |
| Period | 18 | 19 | 20 | 21 | 22 | 23 |
| With water water temperature | TWith 18 | TWith 19 | TWith 20 | TWith 21 | TWith 22 | TWith 23 |
3rd, target water temperature is set according to the time.
| Period | 0 | 1 | 2 | 3 | 4 | 5 |
| Run water temperature | T settings 0 | T settings 1 | T settings 2 | T settings 3 | T settings 4 | T settings 5 |
| Period | 6 | 7 | 8 | 9 | 10 | 11 |
| Run water temperature | T settings 6 | T settings 7 | T settings 8 | T settings 9 | T settings 10 | T settings 11 |
| Period | 12 | 13 | 14 | 15 | 16 | 17 |
| Run water temperature | T settings 12 | T settings 13 | T settings 14 | T settings 15 | T settings 16 | T settings 17 |
| Period | 18 | 19 | 20 | 21 | 22 | 23 |
| Run water temperature | T settings 18 | T settings 19 | T settings 20 | T settings 21 | T settings 22 | T settings 23 |
As shown in Fig. 2, water tank target water temperature T proposed by the present inventionSet nControl method comprises the following steps：
Set the water demand amount V of different timenWith with water water temperature TUse n；
Water tank target water temperature is calculated according to water tank capacity and with the water demand amount of water time and with water water temperature；
Judge the section residing for the water tank target water temperature that is calculated and determine final water tank target water temperature.
（1）Variable in above-mentioned control method is：Time scale n（Hour h, 0-23 moment point）、t（S per second）、
Temperature sensing package temperature Y under temperature sensing package temperature X, water tank on water tank.
（2）Intermediate quantity is：Water tank fixed volume V, water demand amount Vn, with water water temperature TUse n。
（3）Output quantity：TSet n.N represents 0-23 moment point.
（4）Variable and output quantity intermediate interactions, using the moment per hour as chronomere, TSet nAsk for according to the following formula：TSet n
=Vn*TUse n/V。
If calculated value TSet n＜ TminWhen, be just minimized, be usually 35 DEG C, i.e. TSet n=35℃。
If calculated value is located at section, Tmax≥TSet n≥TminWhen, then TSet nFor by formula TSet n=Vn*TUse n/V
The numeral being calculated.
If TSet n＞ TmaxWhen, just it is maximized, generally 55 DEG C, then TSet n=55℃。
Air source heat pump water tank desired temperature is 35-55 DEG C at present.
When user largely uses water temporarily, it may appear that the situation that water temperature reduces in water tank, to solve the problems, such as this, the present invention is also
Including detecting water tank temperature sensing package, and detection is updated to detected value at regular intervals, judges to use regimen condition, opened in time high
Water temperature is run, and meets the interim water demand of user, and client stops being operated with after water, exiting hot operation.Realize that process is as follows：
Temperature sensing package X, temperature sensing package Y under water tank on unit master control detection water tank.The data of renewal in every 2 seconds.
TAfterwards=（Xt+Yt）/ 2, TBefore=（Xt-1+Yt-1）/ 2, wherein, TBeforeRefer to previous secondary data update, TAfterwardsRefer to adjacent latter secondary data
Renewal.
If the continuous m update cycle（M values take 3-10, can set, and give tacit consent to 5 cycles）There is TBefore- TAfterwards=a, a are more than 0
Positive integer, unit DEG C, purpose are exactly to illustrate TBefore＞ TAfterwards.
The average water the temperature inside the box detected in the previous cycle always average water box temperature than being detected in the latter cycle
Degree is high, illustrates that user uses water lasting, and the occurrence of in order to avoid insufficient water, air source heat pump is transported according to high water temperature
OK.At this time, TSet n=55℃（Acquiescence operation water temperature）.
After the operation of high water temperature performs, water tank temperature is curbed after a period of time is declined and then bottom out, is returning
During rising, T is detected if having at least 1 update cycleAfterwards＞ TSet nWhen, then exit high water temperature operational mode, TSet nSetting is pressed
TSet n=Vn*TUse n/ V is controlled.
The present invention carries out the fuzzy evaluation of cistern water supply temperature according to user with Fluid Dynamics water consumption, with water water temperature, can
Ensure user with hydro-thermal amount it is enough in the case of reduce cistern water supply temperature as far as possible, reduce air source heat pump energy consumption.
Above-described embodiment is merely to illustrate the embodiment of the present invention.It should be pointed out that for the general of this area
For logical technical staff, without departing from the inventive concept of the premise, some deformations and change can also be made, these deformations and
Change should all belong to protection scope of the present invention.
Claims (10)
1. a kind of water tank target water temperature control method, it is characterised in that comprise the following steps：
Set the water demand amount V of different timenWith with water water temperature TUse n；
According to water tank capacity and the water demand amount V with the water timenWith with water water temperature TUse nCalculate water tank target water temperature TSet n；
Judge the water tank target water temperature T being calculatedSet nResiding section and definite final water tank target water temperature.
2. control method as claimed in claim 1, it is characterised in that water tank target water temperature TSet nCalculation formula be：TSet n=
Vn*TUse n/ V, wherein：VnIt is water demand amount, TUse nIt is to use water water temperature, V is water tank capacity.
3. control method as claimed in claim 1 or 2, it is characterised in that setting water tank target water temperature TSet nSection（Tmin-
Tmax）,
If TSet n＜ Tmin, then TSet n=Tmin；
If Tmax≥TSet n≥Tmin, then TSet n=Vn*TUse n/V；
If TSet n＞ Tmax, then TSet n=Tmax。
4. control method as claimed in claim 3, it is characterised in that the Tmin=35 DEG C, the Tmax=55℃。
5. control method as claimed in claim 1, it is characterised in that further include the temperature of detection water tank, and updated per the t times
Data, the temperature T of one-time detection before the continuous m cycles occurBeforeMore than the temperature T of rear one-time detectionAfterwardsWhen, then into Gao Shui
Warm operational mode, TSet n=Tmax。
6. control method as claimed in claim 5, it is characterised in that the t times are 2 seconds, the m cycle value models
Enclose for 3-10.
7. control method as claimed in claim 5, it is characterised in that the water tank is equipped with temperature sensing package up and down, and X is water tank
Upper temperature sensing package temperature, Y be water tank under temperature sensing package temperature, TAfterwards=（Xt+Yt）/ 2, TBefore=（Xt-1+Yt-1）/2.
8. control method as claimed in claim 5, it is characterised in that further include when water tank temperature is opened after a period of time is declined
Begin to go up, and if during rise having in the update cycle at least once and detecting
TAfterwards＞ TSet nWhen, then high water temperature operational mode is exited, is back to TSet n=Vn*TUse n/ V is controlled.
9. a kind of air source heat pump type water heater, it is characterised in that the water heater usage right requires 1-8 any one of them
Control method.
10. air source heat pump type water heater as claimed in claim 9, including condenser, it is characterised in that the condenser is adopted
Add outer wound coil structure with enclosed press-bearing water tank, the top and the bottom of the water tank are equipped with temperature sensing package.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711250715.2A CN108036514B (en) | 2017-12-01 | 2017-12-01 | Water tank target water temperature control method and air source heat pump type water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250715.2A CN108036514B (en) | 2017-12-01 | 2017-12-01 | Water tank target water temperature control method and air source heat pump type water heater |
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| CN108036514A true CN108036514A (en) | 2018-05-15 |
| CN108036514B CN108036514B (en) | 2019-07-30 |
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ID=62094644
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405307A (en) * | 2018-09-21 | 2019-03-01 | 珠海格力电器股份有限公司 | Control method, water treatment system and the purifying drinking appliance of water treatment system |
| CN110260522A (en) * | 2019-05-09 | 2019-09-20 | 中山百得厨卫有限公司 | Gas heater water outlet temperature setting method |
| CN111780421A (en) * | 2020-03-27 | 2020-10-16 | 浙江中广电器股份有限公司 | Water temperature control method, processor and air-source heat pump hot water system |
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| KR20150050042A (en) * | 2013-10-31 | 2015-05-08 | 린나이코리아 주식회사 | Method for improving performance of boiler by propotional control for circulating pump |
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| JP5640938B2 (en) * | 2011-09-16 | 2014-12-17 | 三菱電機株式会社 | Heat pump water heater outdoor unit |
| CN103968552A (en) * | 2013-01-30 | 2014-08-06 | 美的集团股份有限公司 | Electric water heater and control method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405307A (en) * | 2018-09-21 | 2019-03-01 | 珠海格力电器股份有限公司 | Control method, water treatment system and the purifying drinking appliance of water treatment system |
| CN109405307B (en) * | 2018-09-21 | 2020-03-27 | 珠海格力电器股份有限公司 | Control method of water treatment system, water treatment system and water purifying and drinking machine |
| CN110260522A (en) * | 2019-05-09 | 2019-09-20 | 中山百得厨卫有限公司 | Gas heater water outlet temperature setting method |
| CN110260522B (en) * | 2019-05-09 | 2021-04-20 | 中山百得厨卫有限公司 | Method for setting outlet water temperature of gas water heater |
| CN111780421A (en) * | 2020-03-27 | 2020-10-16 | 浙江中广电器股份有限公司 | Water temperature control method, processor and air-source heat pump hot water system |
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| CN108036514B (en) | 2019-07-30 |
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