CN105004065A - Control method for water heater - Google Patents
Control method for water heater Download PDFInfo
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- CN105004065A CN105004065A CN201510506030.4A CN201510506030A CN105004065A CN 105004065 A CN105004065 A CN 105004065A CN 201510506030 A CN201510506030 A CN 201510506030A CN 105004065 A CN105004065 A CN 105004065A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 273
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 238000009835 boiling Methods 0.000 claims description 53
- 239000008400 supply water Substances 0.000 claims description 27
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000008236 heating water Substances 0.000 description 5
- 238000005338 heat storage Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000009790 rate-determining step (RDS) Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention provides a control method for a water heater. The water heater has two water supply states: (1) both water supply and water heating are realized; (2) only water supply is realized, and water heating is not needed. The control method comprises the following steps: A, opening a tap to ensure water supply to the water heater; B, closing the tap to stop the water supply, wherein a timer is reset to start timing, and the starting time is marked as t; C, reopening the tap, wherein the timer stops timing and calculating the time interval T between reopening of the tap in step C and closing of the tap in step B; D, confirming the water supply state of the water heater, wherein the water supply state of the water heater is consistent with that realized in step A if T is shorter than T1, the water supply state of the water heater is opposite to that realized in step A if T is longer than or equal to T1 and shorter than T2, both T1 and T2 are preset time durations, and T2 is longer than T1. Through the adoption of the control method, the water supply state of the water heater when the tap is opened for the next time can be controlled according to the time interval between the opening and closing of the tap, so that residual hot water can be drained from the water heater. Accordingly, not only can the problem that the service lives of electronic components and pipes are shortened due to the residual hot water be solved, but also the energy consumption can be reduced.
Description
Technical field
The present invention relates to a kind of control method for water heater.
Background technology
Water heater is to provide the instrument of hot water, has become the household electrical appliance of family's indispensability.In order to meet the different demand of people, there is the control method of multiple water heater at present.
Such as, Chinese patent 201110201870.1 discloses a kind of Intelligent control method of water heater return circulating pump, in the circulatory system be made up of water heater and the hot water supply line as thermal water source, water heater has self upper water benign environment temperature monitoring sensor and intelligent control circuit, the return circulating pump being controlled by intelligent control circuit is installed in hot water supply line, intelligent control circuit, under water heater is in service position, is realized the stopping of return circulating pump by read step, calculation step, rate-determining steps and is run control.
Chinese patent application 201410312265.5 discloses a kind of water heater and control method thereof, and wherein, water heater comprises: first to N inner bag, and each inner bag comprises water intaking valve and outlet valve; First to N temperature sensor; First to N heater; For starting primary heater with the controller heated water in the first inner bag, and when the water temperature of water reaches first threshold in the first inner bag, control primary heater stopping heating, and when the outlet valve of unlatching first inner bag, start M heater to heat water in M inner bag, and when the water temperature that the first temperature sensor detects water in the first inner bag is less than Second Threshold, close the outlet valve of the first inner bag, and open the outlet valve of M inner bag.
Chinese patent application 200810154802.2 discloses a kind of heat-pump water heater with dual water tanks and heating means thereof, comprise compressor, condenser, reservoir, device for drying and filtering, throttling arrangement, evaporimeter, gas-liquid separator, heat storage water tank, heating water tank, reversing arrangement etc., the flow direction of water in reversing arrangement periodic variation heating water tank and condenser, make the cold water reversing current in heating water tank through condenser and be gradually heated by the sonochemical activity to design temperature, hot water after heating is transferred in heat storage water tank by heating water tank and is stored for user, heating water tank after-teeming simultaneously cold water in transfer process, continue to be heated to design temperature after after-teeming completes, hot water in heat storage water tank is the cold water of after-teeming simultaneously in use.
The shortcoming of technique scheme is: water heater is after water supply heating, and residual hot water can be retained in hot water pipeline and water heater.Can bring two disadvantageous results like this: one, in the life-span of the electronic device of the heat meeting shortening heat hydrophone of hot water, the heat of hot water also can accelerate the aging of hot water pipeline, particularly PVC simultaneously; Its two, the heat being retained in the hot water in hot water pipeline and water heater slowly distributes, and this part heat cannot utilize, and causes energy waste.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of control method for water heater, when its interval duration by fetch boiling water tap and closed tap is to control to fetch boiling water tap next time, the service position of water heater, thus the object reaching that water heater can bleed off residual hot water.
For solving the problems of the technologies described above, the invention provides a kind of control method for water heater, water heater has two kinds of service position, and one supplies water and heating, and another kind only supplies water not heat; Control method comprises the steps:
A, tap of fetching boiling water, water supply of water heater;
B, closed tap, stop supplying water; Meanwhile, timer resets, and starts timing, is designated as T;
C, reopen tap, timer stops timing; Calculate the time interval T reopened between tap and step B closed tap;
D, water supply of water heater;
If T<T1, then the service position of water heater is consistent with steps A service position;
If T1≤T<T2, then the service position of water heater and steps A service position contrary (the another kind of states different with steps A service position);
If T >=T2, then the service position of water heater is for supplying water and heating;
Wherein, T1, T2 are default duration, and T2 > T1.
It should be noted that in the present invention, when water heater only supplies water and do not heat, possible hot-water supply (hot water residual during last heating in pipeline), also may supply cold water.Because the water heater of a lot of family, uses as tap simultaneously.And the many occasions in life, people need water heater to supply water, and might not need hot water, when particularly utilizing the gondola water faucet of water heater to rinse utensil.
In the present invention, T1 is a less duration, and it ranges preferably from 5-20s; T2 is a larger duration, and it ranges preferably from 5-10min.
In the present invention, the time interval of this time fetching boiling water between tap and last closed tap is divided into shorter (T<T1), longer (T1≤T<T2), long (T >=T2) three intervals by T1, T2.Method of the present invention regulates shorter interval and longer interval, then will not intervene for long interval.
In the present invention, the time interval of this time fetching boiling water between tap and last closed tap shorter (T<T1), then think that user does not need to change way of supplying water; The time interval of this time fetching boiling water between tap and last closed tap longer (T1≤T<T2), then think that user wishes to change way of supplying water.
After closing water heater, some hot water can be remained in the pipeline of water heater, the object of the invention is these hot water emptying, to save the energy, and avoid the hot water remained to affect the life-span of water heater.Its means are: under certain condition, after last heating hot-water supply, no longer heat next time, only carry out emptying.
These emptying hot water, due to fewer, can wash the clothing of smallclothes, such as socks or underwear.On the one hand these clothing volumes are smaller, and these residual hot water amounts enough can by its wash clean, on the other hand, consider the factor of health, these clothings are also not suitable for being placed in washing machine and other clothings shuffle, and can only hand-wash, and also just in time can utilize these residual hot water.So, hot water residual does not on the one hand need extra fuel heating, can reach the object of energy-saving and emission-reduction; The heat of the hot water of water heater can make the life-span of some electronic devices of water heater greatly shorten on the other hand, the heat of the hot water of hot water pipeline also can accelerate hot water pipeline greatly simultaneously, the particularly ageing process of the pipeline of PVC, so these residual hot water emptying can extend the service life of water heater.
In the present invention, various equivalent modifications should be known, time people use water heater, be generally autumn and winter season, temperature is colder, so the heat of the hot water remained in water heater and in hot water pipeline as timer T >=T2 distributes totally, then it is emptying without any meaning.Therefore when the condition of timer T >=T2 is set up, then the service position of water heater is for supplying water and heating.
The present invention by fetch boiling water tap and the interval duration of closed tap to control to fetch boiling water tap next time time water heater service position, thus reach the object that water heater can bleed off residual hot water.
According to another detailed description of the invention of the present invention, in steps A, after tap of fetching boiling water, the service position of water heater does not heat for supplying water and heating or only supply water.
According to another detailed description of the invention of the present invention, the tap of fetching boiling water in steps A is for tap of once fetching boiling water arbitrarily, and its time interval apart from last closed tap is for can be a few second, a few minutes, several hours, even several days.
According to another detailed description of the invention of the present invention, between step B and step C, comprise step B1 further: if T >=T2, then stop timing.As described above, the heat of the hot water remained in water heater and in hot water pipeline as timer T >=T2 distributes totally, then it is emptying without any meaning, equally, continues timing also nonsensical, therefore, if T >=T2, then stops timing.
According to another detailed description of the invention of the present invention, in step D, T1 is 10s, T2 is 10min.
According to another detailed description of the invention of the present invention, in step D, T1 is 8s, T2 is 12min.
According to another detailed description of the invention of the present invention, in step D, T1 is 12s, T2 is 9min.
According to another detailed description of the invention of the present invention, in step D, T1 is 15s, T2 is 7min.
According to another detailed description of the invention of the present invention, control method comprises the steps:
A, tap of fetching boiling water, water supply of water heater and heating;
B, closed tap, stop supplying water; Meanwhile, timer resets, and starts timing, is designated as T;
C, reopen tap, timer stops timing; Calculate the time interval T reopened between tap and step B closed tap;
D, water supply of water heater;
If T<T1, then the service position of water heater is for supplying water and heating;
If T1≤T<T2, then the service position of water heater does not heat for only supplying water;
If T >=T2, then the service position of water heater is for supplying water and heating.
In the program, the time interval of this time fetching boiling water between tap and last closed tap shorter (T<T1), then think that user needs lasting hot-water supply; The time interval of this time fetching boiling water between tap and last closed tap longer (T1≤T<T2), then think that user wishes that residual hot water is emptying or supply cold water.
According to another detailed description of the invention of the present invention, control method comprises the steps:
A, tap of fetching boiling water, water heater only supplies water and does not heat;
B, closed tap, stop supplying water; Meanwhile, timer resets, and starts timing, is designated as T;
C, reopen tap, timer stops timing; Calculate the time interval T reopened between tap and step B closed tap;
D, water supply of water heater;
If T<T1, then the service position of water heater does not heat for only supplying water;
If T1≤T<T2, then the service position of water heater is for supplying water and heating;
If T >=T2, then the service position of water heater is for supplying water and heating.
In the program, the time interval of this time fetching boiling water between tap and last closed tap shorter (T<T1), then think that user needs to continue supply cold water; The time interval of this time fetching boiling water between tap and last closed tap longer (T1≤T<T2), then think that user wishes hot-water supply.
Compared with prior art, the present invention has the following advantages:
The present invention by fetch boiling water tap and the interval duration of closed tap to control to fetch boiling water tap next time time water heater service position, thus emptying residual hot water, can prevent the hot water remained from shortening the life-span of electronic device and tubing like this, can the energy be saved again.
Accompanying drawing explanation
Fig. 1 is the flow chart of the water heater control method of embodiment 1.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, the water heater control method of the present embodiment comprises the steps:
Step 1, tap of fetching boiling water for the first time supplies water and heating.
Step 2,
2.1 second time are fetched boiling water tap, if the shut-in time that distance first time turns on the tap is less than 10 seconds (T<10s), are then supply water and heating;
2.2 second time are fetched boiling water tap, and being less than 10 minutes (10s≤T<10min) if shut-in time of turning on the tap distance first time is more than or equal to 10 seconds, is then supply water not heat;
2.3 second time are fetched boiling water tap, if the shut-in time of turning on the tap apart from first time is more than or equal to 10 minutes (T >=10min), are then supply water and heating;
Step 3,
If meet step 2.2,2.3 for supplying water and heating, then step 3 is by separate regression steps 2;
If meet step 2.2 not heat for supplying water, step 3 is:
3.1 third times fetched boiling water tap, if the shut-in time that distance second time is turned on the tap is less than 10 seconds (T<10s), were then supply water not heat;
3.2 third times fetched boiling water tap, were less than 10 minutes (10s≤T<10min) if the shut-in time that distance second time is turned on the tap is more than or equal to 10 seconds, be then supply water and heating;
3.3 third times fetched boiling water tap, if be more than or equal to 10 minutes (T >=10min) apart from the shut-in time that second time is turned on the tap, were then supply water and heating;
Step 4,
If meet step 3.2,3.3 for supplying water and heating, then separate regression steps 2;
If meet step 3.1 not heat for supplying water, then separate regression steps 3.
Various equivalent modifications, with reference to accompanying drawing 1, is also appreciated that following examples:
Embodiment 2
The water heater control method of the present embodiment comprises the steps:
Step 1, tap of fetching boiling water for the first time supplies water and heating.
Step 2,
2.1 second time are fetched boiling water tap, if the shut-in time that distance first time turns on the tap is less than 8 seconds (T<8s), are then supply water and heating;
2.2 second time are fetched boiling water tap, and being less than 12 minutes (8s≤T<12min) if shut-in time of turning on the tap distance first time is more than or equal to 8 seconds, is then supply water not heat;
2.3 second time are fetched boiling water tap, if the shut-in time of turning on the tap apart from first time is more than or equal to 12 minutes (T >=12min), are then supply water and heating;
Step 3,
If meet step 2.2,2.3 for supplying water and heating, then step 3 is by separate regression steps 2;
If meet step 2.2 not heat for supplying water, step 3 is:
3.1 third times fetched boiling water tap, if the shut-in time that distance second time is turned on the tap is less than 8 seconds (T<8s), were then supply water not heat;
3.2 third times fetched boiling water tap, were less than 12 minutes (8s≤T<12min) if the shut-in time that distance second time is turned on the tap is more than or equal to 8 seconds, be then supply water and heating;
3.3 third times fetched boiling water tap, if be more than or equal to 12 minutes (T >=12min) apart from the shut-in time that second time is turned on the tap, were then supply water and heating;
Step 4,
If meet step 3.2,3.3 for supplying water and heating, then separate regression steps 2;
If meet step 3.1 not heat for supplying water, then separate regression steps 3.
Embodiment 3
The water heater control method of the present embodiment comprises the steps:
Step 1, tap of fetching boiling water for the first time supplies water and heating.
Step 2,
2.1 second time are fetched boiling water tap, if the shut-in time that distance first time turns on the tap is less than 12 seconds (T<12s), are then supply water and heating;
2.2 second time are fetched boiling water tap, and being less than 9 minutes (12s≤T<9min) if shut-in time of turning on the tap distance first time is more than or equal to 12 seconds, is then supply water not heat;
2.3 second time are fetched boiling water tap, if the shut-in time of turning on the tap apart from first time is more than or equal to 9 minutes (T >=9min), are then supply water and heating;
Step 3,
If meet step 2.2,2.3 for supplying water and heating, then step 3 is by separate regression steps 2;
If meet step 2.2 not heat for supplying water, step 3 is:
3.1 third times fetched boiling water tap, if the shut-in time that distance second time is turned on the tap is less than 12 seconds (T<12s), were then supply water not heat;
3.2 third times fetched boiling water tap, were less than 9 minutes (12s≤T<9min) if the shut-in time that distance second time is turned on the tap is more than or equal to 12 seconds, be then supply water and heating;
3.3 third times fetched boiling water tap, if be more than or equal to 9 minutes (T >=9min) apart from the shut-in time that second time is turned on the tap, were then supply water and heating;
Step 4,
If meet step 3.2,3.3 for supplying water and heating, then separate regression steps 2;
If meet step 3.1 not heat for supplying water, then separate regression steps 3.
Embodiment 4
The water heater control method of the present embodiment comprises the steps:
Step 1, tap of fetching boiling water for the first time supplies water and heating.
Step 2,
2.1 second time are fetched boiling water tap, if the shut-in time that distance first time turns on the tap is less than 15 seconds (T<15s), are then supply water and heating;
2.2 second time are fetched boiling water tap, and being less than 7 minutes (15s≤T<7min) if shut-in time of turning on the tap distance first time is more than or equal to 15 seconds, is then supply water not heat;
2.3 second time are fetched boiling water tap, if the shut-in time of turning on the tap apart from first time is more than or equal to 7 minutes (T >=7min), are then supply water and heating;
Step 3,
If meet step 2.2,2.3 for supplying water and heating, then step 3 is by separate regression steps 2;
If meet step 2.2 not heat for supplying water, step 3 is:
3.1 third times fetched boiling water tap, if the shut-in time that distance second time is turned on the tap is less than 15 seconds (T<15s), were then supply water not heat;
3.2 third times fetched boiling water tap, were less than 7 minutes (15s≤T<7min) if the shut-in time that distance second time is turned on the tap is more than or equal to 15 seconds, be then supply water and heating;
3.3 third times fetched boiling water tap, if be more than or equal to 7 minutes (T >=7min) apart from the shut-in time that second time is turned on the tap, were then supply water and heating;
Step 4,
If meet step 3.2,3.3 for supplying water and heating, then separate regression steps 2;
If meet step 3.1 not heat for supplying water, then separate regression steps 3.
Although the present invention discloses as above with preferred embodiment, and is not used to limit scope of the invention process.Any those of ordinary skill in the art, not departing from invention scope of the present invention, when doing a little improvement, namely every equal improvement done according to the present invention, should be scope of the present invention and contained.
Claims (6)
1. for a control method for water heater, it is characterized in that, described water heater has two kinds of service position, and one supplies water and heating, and another kind only supplies water not heat; Described control method comprises the steps:
A, tap of fetching boiling water, water supply of water heater;
B, closed tap, stop supplying water; Meanwhile, timer resets, and starts timing, is designated as T;
C, reopen tap, timer stops timing; Calculate the time interval T reopened between tap and step B closed tap;
D, water supply of water heater;
If T<T1, then the service position of water heater is consistent with steps A service position;
If T1≤T<T2, then the service position of water heater is contrary with steps A service position;
If T >=T2, then the service position of water heater is for supplying water and heating;
Wherein, T1, T2 are default duration, and T2 > T1,
T1 is 15s, T2 is 7min.
2. control method according to claim 1, is characterized in that, in steps A, after tap of fetching boiling water, the service position of water heater does not heat for supplying water and heating or only supply water.
3. control method according to claim 1, is characterized in that, the tap of fetching boiling water in steps A is for tap of once fetching boiling water arbitrarily.
4. control method according to claim 1, is characterized in that, comprises step B1 further between step B and step C: if T >=T2, then stop timing.
5. control method according to claim 1, is characterized in that: described control method comprises the steps:
A, tap of fetching boiling water, water supply of water heater and heating;
B, closed tap, stop supplying water; Meanwhile, timer resets, and starts timing, is designated as T;
C, reopen tap, timer stops timing; Calculate the time interval T reopened between tap and step B closed tap;
D, water supply of water heater;
If T<T1, then the service position of water heater is for supplying water and heating;
If T1≤T<T2, then the service position of water heater does not heat for only supplying water;
If T >=T2, then the service position of water heater is for supplying water and heating.
6. control method according to claim 1, is characterized in that: described control method comprises the steps:
A, tap of fetching boiling water, water heater only supplies water and does not heat;
B, closed tap, stop supplying water; Meanwhile, timer resets, and starts timing, is designated as T;
C, reopen tap, timer stops timing; Calculate the time interval T reopened between tap and step B closed tap;
D, water supply of water heater;
If T<T1, then the service position of water heater does not heat for only supplying water;
If T1≤T<T2, then the service position of water heater is for supplying water and heating;
If T >=T2, then the service position of water heater is for supplying water and heating.
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| CN201510506030.4A CN105004065B (en) | 2015-08-17 | 2015-08-17 | A kind of control method for water heater |
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| CN201510506030.4A CN105004065B (en) | 2015-08-17 | 2015-08-17 | A kind of control method for water heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186091A (en) * | 2019-05-30 | 2019-08-30 | 华帝股份有限公司 | Automatic cleaning control method for range hood |
| CN112050477A (en) * | 2020-10-21 | 2020-12-08 | 佛山市九零物联科技有限公司 | Water heater control system with zero hot water function and working method |
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| CN2423604Y (en) * | 2000-06-13 | 2001-03-14 | 南京师范大学 | Auxiliary electric heating controller for solar water heater |
| JP2010266148A (en) * | 2009-05-15 | 2010-11-25 | Nippon Itomic Co Ltd | Device and method of controlling temperature of water heater |
| CN202171342U (en) * | 2011-05-04 | 2012-03-21 | 朱昱灿 | Energy-saving type hot water supply device |
| CN202274646U (en) * | 2011-09-06 | 2012-06-13 | 庞柱平 | Water heater |
| CN103104985A (en) * | 2012-12-10 | 2013-05-15 | 张晶 | Water heater |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2423604Y (en) * | 2000-06-13 | 2001-03-14 | 南京师范大学 | Auxiliary electric heating controller for solar water heater |
| JP2010266148A (en) * | 2009-05-15 | 2010-11-25 | Nippon Itomic Co Ltd | Device and method of controlling temperature of water heater |
| CN202171342U (en) * | 2011-05-04 | 2012-03-21 | 朱昱灿 | Energy-saving type hot water supply device |
| CN202274646U (en) * | 2011-09-06 | 2012-06-13 | 庞柱平 | Water heater |
| CN103104985A (en) * | 2012-12-10 | 2013-05-15 | 张晶 | Water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110186091A (en) * | 2019-05-30 | 2019-08-30 | 华帝股份有限公司 | Automatic cleaning control method for range hood |
| CN112050477A (en) * | 2020-10-21 | 2020-12-08 | 佛山市九零物联科技有限公司 | Water heater control system with zero hot water function and working method |
| CN112050477B (en) * | 2020-10-21 | 2022-05-27 | 佛山市九零物联科技有限公司 | Water heater control system with zero hot water function and working method |
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| CN105004065B (en) | 2018-07-10 |
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