CN108286820B - Gas water heater with multi-gear hot water production capacity and control method - Google Patents
Gas water heater with multi-gear hot water production capacity and control method Download PDFInfo
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- CN108286820B CN108286820B CN201710015698.8A CN201710015698A CN108286820B CN 108286820 B CN108286820 B CN 108286820B CN 201710015698 A CN201710015698 A CN 201710015698A CN 108286820 B CN108286820 B CN 108286820B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 224
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000003287 bathing Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention relates to the field of gas water heater control, and discloses a gas water heater with multi-gear hot water production capacity and a control method, wherein when the gas water heater receives that the water outlet temperature set by a user is higher than the rated maximum water outlet temperature T corresponding to the current gear, the gas water heater automatically jumps to the gear of the hot water production capacity corresponding to the water outlet temperature set by the user. According to the gas water heater, the corresponding rated maximum outlet water temperature T can be determined according to the selected gear of the hot water production capacity, when the outlet water temperature set by a user is higher than the rated maximum outlet water temperature T, the gear of the hot water production capacity corresponding to the set outlet water temperature can be selected, the situation that the opening degree of the gas proportional valve cannot reach the due opening degree is avoided, the outlet water temperature of the gas water heater can always meet the requirements of the user, and the user experience of the user is improved.
Description
Technical Field
The invention relates to the field of control of gas water heaters, in particular to a gas water heater with multi-gear water production capacity and a control method.
Background
The number of rises of the water heater is the capacity of producing hot water, namely, the water supply pressure is more than 0.1MPa under the maximum heat load state, the temperature difference between the water outlet temperature and the water inlet temperature is equal to 25 degrees, namely, when the temperature rise delta t is equal to 25K, the hot water output per minute is obtained.
The existing gas water heater is divided into two types of unchangeable hot water production capacity and changeable hot water production capacity, wherein: the gas water heater with fixed hot water production capacity can heat with the maximum heat load when in use, the temperature of the outlet water is higher, and the gas water heater is not beneficial to energy conservation under the condition of not needing high temperature and full load, such as summer bathing, and can not meet the requirements of different users; changeable gas heater of hot water production ability, in order to realize energy-conserving purpose, its aperture that can restrict the gas proportional valve usually corresponds the hot water production ability of different gears, and then reach the purpose that becomes to rise, but owing to restricted the maximum aperture of gas proportional valve, when the user needs higher leaving water temperature, should choose for use great gear hot water production ability, when the hot water production ability that the gear was low has been selected by mistake, the aperture of gas proportional valve does not reach due aperture, can cause actual leaving water temperature but can't reach the temperature of wanting, the experience effect that has caused the user is poor, arouse user's dissatisfaction.
Disclosure of Invention
The invention aims to provide a gas water heater with multi-gear hot water production capacity and a control method thereof, and solves the problem that the actual outlet water temperature cannot meet the requirement when the conventional gas water heater cannot be raised or is raised.
In order to achieve the purpose, the invention adopts the following technical scheme:
when the gas water heater receives that the water outlet temperature set by a user is higher than the rated maximum water outlet temperature T corresponding to the current gear, the gas water heater automatically jumps to the gear of the heat water generating capacity corresponding to the water outlet temperature set by the user.
Preferably, the method further comprises the following steps: when the gas water heater receives a variable-lift instruction of a user, a gear of the hot water production capacity corresponding to the variable-lift instruction is selected.
Preferably, each gear of the hot water producing capacity of the gas water heater corresponds to an entering maximum gas quantity L and a maximum opening K of the gas proportional valve.
Preferably, the gear of the capacity for producing hot water is set from low to high, and the corresponding maximum entering gas quantity L, the maximum opening K of the gas proportional valve and the rated maximum water outlet temperature T are set from low to high.
Preferably, the rated maximum water outlet temperature T satisfies T ≦ 25 × La/L1, wherein:
temperature rise is 25, namely the temperature difference delta t between the water outlet temperature and the water inlet temperature is 25K;
la is the hot water production capacity of the current gear;
l1 is the water flow of the gas water heater when the user is comfortable to bath.
Preferably, the method further comprises the following steps:
when the gas water heater is started, the gas water heater operates according to the entering gas quantity corresponding to the outlet water temperature set by the current user and the opening degree of the gas proportional valve.
Preferably, the user's ascending command and the outlet water temperature set by the user are received by a controller of the gas water heater and displayed by a display.
Preferably, the user's ascending instruction and the outlet water temperature set by the user are sent out through a key or a knob arranged on the gas water heater, and the key or the knob is connected to the controller.
The invention also provides a gas water heater with multi-gear water production capacity and a control method applying the gas water heater.
After the gas water heater receives the variable-lift instruction of a user, the gear of the hot water production capacity can be selected according to the variable-lift instruction, and the variable-lift requirement can be met. And meanwhile, the corresponding rated maximum outlet water temperature T can be determined according to the selected gear of the hot water production capacity, when the outlet water temperature set by a user is higher than the rated maximum outlet water temperature T, the gas water heater can select the gear of the hot water production capacity corresponding to the set outlet water temperature, the situation that the opening degree of the gas proportional valve cannot reach the due opening degree is avoided, the outlet water temperature of the gas water heater can meet the requirements of the user all the time, and the user experience of the user is improved.
Drawings
Fig. 1 is a flow chart of a control method of a gas water heater with multi-shift hot water production capacity according to the invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The invention provides a control method of a gas water heater with multi-gear hot water production capacity, which specifically comprises the following steps as shown in figure 1:
and S10, starting the gas water heater.
That is, a user opens the gas water heater, in this embodiment, the gas water heater has a hot water production capacity of multiple gears, in this embodiment, three gears of 8L, 10L, and 12L are taken as examples, and the rated maximum outlet water temperature T corresponding to the three gears is sequentially increased.
It should be noted that the operation of the gas water heater of the present embodiment is realized by the control of the controller.
And S20, determining the rated maximum outlet water temperature T corresponding to the gear according to the gear of the current hot water production capacity.
In this embodiment, each gear of the hot water producing capacity corresponds to a rated maximum water outlet temperature T, and when the gear of the hot water producing capacity is from low to high, the corresponding rated maximum water outlet temperature T is sequentially increased. In this embodiment, the rated maximum outlet water temperature T corresponding to the hot water producing capacity of the third grade 8L, 10L and 12L may be set to 42 ℃, 45 ℃ and greater than 45 ℃. After the gas water heater is started, the gas water heater can determine the rated maximum outlet water temperature T corresponding to the gear according to the current gear of the capacity of producing hot water.
In the prior art, when a user selects a low gear and the set temperature is relatively high (for example, when the user sets the outlet water temperature to be more than 45 ℃ in winter and should select 12L but select 8L of hot water production capacity), the opening degree of the gas proportional valve is limited to the opening degree corresponding to the low gear, and the actual outlet water temperature of the gas water heater cannot reach the temperature (more than 45 ℃) required by the user, so that the complaint of the user is caused. In this embodiment, the outlet water temperature corresponding to the heat-generating water capacity of each gear can be limited by the rated maximum outlet water temperature T, that is, the user can determine which gear of the heat-generating water capacity is selected according to the bath temperature required by the user.
And through the setting of the rated maximum outlet water temperature T, the temperature required by the user can be quickly obtained when the user uses the gas water heater in the conditions of summer, spring and autumn and the like without higher outlet water temperature, and the aim of saving energy is further fulfilled.
In this embodiment, the rated maximum outlet temperature T satisfies T ≦ 25 × La/L1, where:
temperature rise is 25, namely the temperature difference delta t between the water outlet temperature and the water inlet temperature is 25K;
la is the hot water production capacity of the current gear;
l1 is the water flow of the gas water heater when the user is comfortable to bath.
Specifically, on the basis of ensuring comfortable bathing of the user, in order to realize an energy-saving combustion mode, the water flow rate L1 for comfortable bathing cannot be too small, and the water flow rate for comfortable bathing of the public is at least about 5L, so in this embodiment, L1 is set to 5L, that is, T is less than or equal to 25 × La/5.
And S30, receiving a water outlet temperature setting instruction of a user.
When the water outlet temperature needs to be reset by a user, the controller of the gas water heater receives a water outlet temperature setting instruction of the user, and when the water outlet temperature set by the user is less than or equal to the rated maximum water outlet temperature T corresponding to the current gear, the gas water heater can operate with the heat production water capacity corresponding to the current gear, so that the water outlet temperature requirement of the user can be met.
In this embodiment, the user sends the outlet water temperature setting instruction through a button or a knob located on the gas water heater and connected to the controller, and the user can determine the outlet water temperature setting instruction sent by the user according to the display of the display on the gas water heater.
And S40, when the water outlet temperature set by the user is higher than the rated maximum water outlet temperature T, selecting a corresponding gear with the hot water production capacity according to the water outlet temperature set by the user.
When the outlet water temperature set by the user is higher than the rated maximum outlet water temperature T, taking the example that the user selects the 8L hot water production capacity as an example, when the outlet water temperature set by the user is 44 ℃, the controller of the gas water heater can judge that the outlet water temperature set by the user is higher than the rated maximum outlet water temperature 42 ℃ corresponding to the 8L hot water production capacity, and at this time, the controller raises the gear of the hot water production capacity of the gas water heater to 10L to meet the outlet water temperature set by the user. When the outlet water temperature set by the user is 46 ℃, the controller raises the gear of the hot water production capacity of the gas water heater to 12L. Through the step, when the water outlet temperature set by the user is higher than the current rated maximum water outlet temperature T, the water outlet temperature can be automatically changed to be increased (namely, the water heating capacity is increased), the complaint of the user is avoided, and the user experience of the user is improved.
In this embodiment, after the gas water heater selects the gear of the hot water production capacity corresponding to the outlet water temperature set by the user, the controller of the gas water heater can determine the maximum gas quantity L entering and the maximum opening K of the gas proportional valve corresponding to the gear according to the gear, that is, the maximum gas quantity L entering and the maximum opening K of the gas proportional valve of the gas water heater are limited at this time, so as to ensure that the outlet water temperature of the gas water heater is not too high on the premise of meeting the user requirements, and avoid energy waste.
In this embodiment, the maximum gas amount L and the maximum opening K of the gas proportional valve correspond to the gears of the capacity of producing water one by one, that is, when the gears of the capacity of producing water are from low to high, the corresponding maximum gas amount L and the maximum opening K of the gas proportional valve are also set from low to high.
As a preferable technical solution, the gas water heater of the present embodiment may further receive a change-up instruction of a user, and select a shift of the hot water production capacity corresponding to the change-up instruction. Specifically, the method comprises the following steps:
when a user uses the gas water heater, when the user wants to change the water level, namely, the gear of the hot water producing capacity is changed, the controller of the gas water heater selects the gear of the hot water producing capacity corresponding to the change-up instruction according to the change-up instruction sent by the user. For example, when the user changes from 8L to 10L, the controller receives the instruction and shifts the shift of the hot water producing capacity of the gas water heater to 10L. In this embodiment, the user also sends the lifting instruction through a button or a knob located on the gas water heater and connected to the controller, and the user can determine the lifting instruction according to the display of the display on the gas water heater.
The invention also provides a gas water heater with multi-gear water production capacity, and the control method of the gas water heater can meet the requirement of variable rise, the outlet water temperature of the gas water heater can always meet the requirement of a user, and the user experience of the user is improved. Meanwhile, by the control method, the gas water heater of the embodiment is more energy-saving.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A control method of a gas water heater with multi-gear hot water production capacity is characterized in that when the gas water heater receives that the water outlet temperature set by a user is higher than the rated maximum water outlet temperature T corresponding to the current gear, the gas water heater automatically jumps to the gear with hot water production capacity corresponding to the water outlet temperature set by the user;
further comprising: when the gas water heater receives a variable-lift instruction of a user, a gear of the hot water production capacity corresponding to the variable-lift instruction is selected.
2. The control method of the gas water heater according to claim 1, wherein each gear of the hot water producing capacity of the gas water heater corresponds to an entering maximum gas amount L and a maximum opening K of the gas proportional valve.
3. The control method of a gas water heater according to claim 2,
the gears of the heat water production capacity are set from low to high, and the corresponding maximum entering gas quantity L, the maximum opening K of the gas proportional valve and the rated maximum water outlet temperature T are set from low to high.
4. The control method of a gas water heater according to claim 3, wherein the rated maximum outlet water temperature T satisfies T ≦ 25 × La/L1, wherein:
temperature rise is 25, namely the temperature difference delta t between the water outlet temperature and the water inlet temperature is 25K;
la is the hot water production capacity of the current gear;
l1 is the water flow of the gas water heater when the user is comfortable to bath.
5. The control method of the gas water heater according to claim 2, wherein when the gas water heater is turned on, the gas water heater is operated with an entering gas amount and a gas proportional valve opening degree corresponding to an outlet water temperature set by a current user.
6. The control method of the gas water heater according to claim 1, wherein the user's command for changing the temperature and the outlet water temperature set by the user are received by a controller of the gas water heater and displayed by a display.
7. The control method of the gas water heater as claimed in claim 6, wherein the user's command for increasing and the user's set outlet water temperature are sent out by a button or a knob provided on the gas water heater, and the button or the knob is connected to the controller.
8. A gas water heater with multi-gear hot water production capacity is characterized in that the control method of the gas water heater in any one of claims 1-7 is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015698.8A CN108286820B (en) | 2017-01-10 | 2017-01-10 | Gas water heater with multi-gear hot water production capacity and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015698.8A CN108286820B (en) | 2017-01-10 | 2017-01-10 | Gas water heater with multi-gear hot water production capacity and control method |
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| Publication Number | Publication Date |
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| CN108286820A CN108286820A (en) | 2018-07-17 |
| CN108286820B true CN108286820B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710015698.8A Active CN108286820B (en) | 2017-01-10 | 2017-01-10 | Gas water heater with multi-gear hot water production capacity and control method |
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| CN105865038A (en) * | 2016-04-18 | 2016-08-17 | 中山市恒乐电器有限公司 | Constant-temperature gas water heater |
| CN107781978A (en) * | 2016-08-26 | 2018-03-09 | 华帝股份有限公司 | Intelligent gas water heater with variable-lift function |
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2017
- 2017-01-10 CN CN201710015698.8A patent/CN108286820B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58115246A (en) * | 1981-12-28 | 1983-07-08 | Rhythm Watch Co Ltd | Timer for use in oil stove |
| CN1948854A (en) * | 2006-11-07 | 2007-04-18 | 艾欧史密斯(中国)热水器有限公司 | Fuel gas high efficiency water heater litre level changing method and variable litre level fuel gas high efficiency water heater |
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| CN103344046A (en) * | 2013-06-28 | 2013-10-09 | 海尔集团公司 | Constant-temperature gas water heater control method and constant-temperature gas water heater |
| CN104296386A (en) * | 2013-07-18 | 2015-01-21 | 海尔集团公司 | Control method and control system of gas water heater and gas water heater |
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