CN110186179B - Water outlet temperature adjusting method and system of gas water heater - Google Patents
Water outlet temperature adjusting method and system of gas water heater Download PDFInfo
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- CN110186179B CN110186179B CN201910271060.XA CN201910271060A CN110186179B CN 110186179 B CN110186179 B CN 110186179B CN 201910271060 A CN201910271060 A CN 201910271060A CN 110186179 B CN110186179 B CN 110186179B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 266
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 42
- 230000001276 controlling effect Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
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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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- 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)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention discloses a method for adjusting the outlet water temperature of a gas water heater, which comprises the following steps: selecting a water consumption point, and controlling the opening degree of the one-way flow regulating valve to ensure that the water temperature of the water consumption point is the same as the temperature collected by a water consumption end temperature sensor arranged in the gas water heater; the gas hot water is internally provided with a branch for connecting a water outlet pipe and a water inlet pipe, and the one-way flow regulating valve is arranged on the branch; the invention also discloses a system for adjusting the outlet water temperature of the gas water heater; according to the invention, by adjusting the opening degree of the one-way flow regulating valve, the water temperature of the water using point is the same as the temperature collected by the water using end temperature sensor arranged in the gas water heater, so that the problem of large difference between the actual water using temperature and the preset temperature is avoided.
Description
Technical Field
The invention belongs to the technical field of gas water heaters, and particularly relates to a water outlet temperature adjusting method and a water outlet temperature adjusting system of a gas water heater.
Background
The temperature sensors are arranged at the water inlet pipe and the water outlet pipe of a common gas water heater, so that the temperature of cold water entering the water heater and the temperature of heated hot water can be detected, and the temperature of a water using end is calculated through an algorithm.
Because the hot water temperature sensor is installed at the machine end, the water end is often far away from the machine, and the pipelines of different users have large differences and water consumption points are different, the temperature of the water end is often difficult to accurately obtain or calculate, and the actual water temperature is different from the preset temperature.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a water outlet temperature adjusting method of a gas water heater, by adjusting the opening degree of a one-way flow adjusting valve, the water temperature of a using water point is the same as the temperature collected by a water end temperature sensor arranged in the gas water heater, and the problem that the difference between the actual water temperature and the preset temperature is large is avoided.
The invention also aims to provide a water outlet temperature adjusting system of the gas water heater.
The technical scheme adopted by the invention is that,
a method for adjusting the outlet water temperature of a gas water heater specifically comprises the following steps: selecting a water consumption point, and controlling the opening degree of the one-way flow regulating valve to ensure that the water temperature of the water consumption point is the same as the temperature collected by a water consumption end temperature sensor arranged in the gas water heater;
the gas hot water is internally provided with a branch for connecting a water outlet pipe and a water inlet pipe, and the one-way flow regulating valve is arranged on the branch.
Preferably, the opening degree of the one-way flow regulating valve is controlled to make the water temperature of the water using point the same as the temperature collected by a water using end temperature sensor arranged in the gas water heater, specifically:
by controlling the opening degree of the one-way flow regulating valve, the time for hot water to flow from the water outlet pipe to the water end temperature sensor is the same as the time for hot water to flow to the water consumption point, and the water temperature of the water consumption point is the same as the temperature collected by the water end temperature sensor arranged in the gas water heater.
Preferably, the time for the hot water to flow from the water outlet pipe to the water end temperature sensor and the time for the hot water to flow to the water consumption point are the same by controlling the opening degree of the one-way flow regulating valve, specifically: the opening degree of the one-way flow regulating valve is regulated through the corresponding relation between the opening degree of the one-way flow regulating valve preset in the controller and the time for hot water to flow from the water outlet pipe to the water using end temperature sensor and flow to a water using point;
wherein, the corresponding relation between the opening degree of the one-way flow control valve and the time for hot water to flow from the water outlet pipe to the water end temperature sensor and to the water consumption point is as follows: c. Cn＝t0/tn；
CnWhen the nth water consumption point is selected, the opening degree of the one-way flow regulating valve is adjusted;
t0the time for hot water to flow from the water outlet pipe to the water end temperature sensor is shown;
tnthe time from the water outlet pipe to the nth water consumption point is n ═ 1,2,3 … ….
Preferably, the time t for the hot water to flow from the water outlet pipe to the water end temperature sensor0The method specifically comprises the following steps:
t0＝l0/v0；
wherein l0The distance between the water outlet pipe and the water using end temperature sensor is shown;
v0the flow speed of the water corresponding to the full opening of the one-way flow regulating valve.
Preferably, the time t for the hot water to flow from the water outlet pipe to the nth water consumption pointnThe method specifically comprises the following steps:
tn＝ln/vn；
wherein lnThe distance from the water outlet pipe to the nth water consumption point is calculated;
vnthe flow rate of water at the nth water usage point.
Preferably, the opening degree of the one-way flow regulating valve is regulated by a stepping motor arranged in the gas water heater.
Preferably, the method further comprises the step of readjusting the opening of the one-way flow regulating valve when the controller detects that the water outlet point is switched by the user, so that the water temperature of the water outlet point is the same as the temperature collected by the water end temperature sensor arranged in the gas water heater.
The utility model provides a gas heater goes out water temperature governing system, its includes one-way flow control valve, water end temperature sensor, outlet pipe, inlet tube, branch road, water spot and gas heater body, the one end of outlet pipe and inlet tube all sets up at gas heater originally internally, and the other end all is connected with the water spot, the branch road setting is used for connecting outlet pipe and inlet tube in gas heater originally internally, one-way flow control valve sets up on a road, water end temperature sensor sets up the one end that is close to the inlet tube in the branch road.
Preferably, the water consumption points are provided with more than two.
Preferably, the gas water heater further comprises a stepping motor arranged in the gas water heater body, and the stepping motor is connected with the one-way flow regulating valve and used for regulating the opening degree of the one-way flow regulating valve.
Preferably, the water heater further comprises a controller, and the controller is internally preset with the corresponding relation between the opening degree of the one-way flow regulating valve and the time for the hot water to flow from the water outlet pipe to the water using end temperature sensor and to flow to the water using point.
Compared with the prior art, the invention has the advantages that the branch for connecting the water outlet pipe and the water inlet pipe is arranged in the gas water heater, the one-way flow regulating valve is arranged on the branch, the water temperature of the water using point is the same as the temperature collected by the water using end temperature sensor arranged in the gas water heater by regulating the opening degree of the one-way flow regulating valve, and the problem of large difference between the actual water using temperature and the preset temperature is avoided.
Drawings
FIG. 1 is a flow chart of a method for adjusting the outlet water temperature of a gas water heater according to embodiment 1 of the present invention;
FIG. 2 is a graph comparing an actual water temperature change curve and a theoretical water temperature change curve of a water consumption point in the prior art;
FIG. 3 is a comparison graph of an actual water temperature change curve and a theoretical water temperature change curve at a water consumption point in the method for adjusting the outlet water temperature of a gas water heater according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of an outlet water temperature adjusting system of a gas water heater provided in embodiment 2 of the present invention.
The reference numbers are as follows:
1-one-way flow regulating valve, 2-water end temperature sensor, 3-water outlet pipe, 4-water inlet pipe, 5-branch, 6-water point, 7-gas water heater body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Embodiment 1 of the present invention provides a method for adjusting the temperature of a gas water heater, as shown in fig. 1, the method includes the following steps:
step 1, presetting a corresponding relation between the opening of a one-way flow regulating valve 1 and the time when hot water flows to a water consumption end temperature sensor 2 from a water outlet pipe 3 and flows to a water consumption point in a controller, and specifically:
cn＝t0/tn；
wherein, CnWhen the nth water consumption point is selected, the opening degree of the one-way flow regulating valve 1 is adjusted;
t0the time for the hot water to flow from the water outlet pipe 3 to the water end temperature sensor 2;
tnthe time for the hot water to flow from the water outlet pipe 3 to the nth water consumption point is n-1, 2,3 … ….
The time t for the hot water to flow from the water outlet pipe 3 to the water end temperature sensor 20The method specifically comprises the following steps:
t0＝l0/v0；
wherein l0The distance from the water outlet pipe 3 to the water end temperature sensor 2 is shown;
v0the flow speed of the water corresponding to the full opening of the one-way flow regulating valve 1.
The time t for the hot water to flow from the water outlet pipe 3 to the nth water using pointnThe method specifically comprises the following steps:
tn＝ln/vn；
wherein lnThe distance from the water outlet pipe 3 to the nth water consumption point;
vnthe flow rate of water for the nth point of use;
as shown in fig. 2, taking a certain water consumption point as an example, the distance from the water consumption point to the water consumption end temperature sensor 2 is different from the distance from the hot water flowing from the water outlet pipe 3 to the water consumption end temperature sensor 2, so the theoretical time t calculated by the water outlet temperature sensor in the prior artTheory of the inventionAnd the actual t actually requiredPractice ofA deviation exists;
therefore, as shown in fig. 3, by adjusting the opening degree of the one-way flow rate adjustment valve 1 so that the opening degree becomes smaller, the flow rate of the hot water decreases, the time for the hot water to flow from the outlet pipe 3 to the water use end temperature sensor 2 becomes longer, and tTheory of the inventionIncreasing;
and 4, when the user switches the water using point 6, repeating the step 3, and otherwise, finishing the adjustment.
In the embodiment 1 of the invention, the opening of the one-way flow regulating valve is regulated, so that the time for hot water to flow from the water outlet pipe to the water end temperature sensor is the same as the time for hot water to flow to the water using point, the water temperature of the water using point is further the same as the temperature collected by the water end temperature sensor arranged in the gas water heater, and the problem that the actual water temperature is deviated from the preset temperature is avoided.
Example 2
The embodiment 2 of the invention provides an outlet water temperature adjusting system of a gas water heater, which comprises a one-way flow adjusting valve 1, a water end temperature sensor 2, an outlet pipe 3, an inlet pipe 4, a branch 5, a water using point 6 and a gas water heater body 7, wherein one end of the outlet pipe 3 and one end of the inlet pipe 4 are both arranged in the gas water heater body 7, the other end of the outlet pipe 3 and the other end of the inlet pipe 4 are both connected with the water using point 6, the branch 5 is arranged in the gas water heater body 7 and is used for connecting the outlet pipe 3 and the inlet pipe 4, the one-way flow adjusting valve 1 is arranged on the branch 5, and the water end temperature sensor 2 is arranged at one end, close.
The gas water heater further comprises a stepping motor arranged in the gas water heater body 7, and the stepping motor is connected with the one-way flow regulating valve 1 and used for regulating the opening degree of the one-way flow regulating valve 1.
The water heater further comprises a controller, wherein the controller is internally preset with the corresponding relation between the opening of the one-way flow regulating valve 1 and the time for the hot water to flow from the water outlet pipe 3 to the water using end temperature sensor 2 and to flow to a water using point.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A method for adjusting the outlet water temperature of a gas water heater is characterized by comprising the following steps: selecting a water consumption point, and adjusting the opening degree of the one-way flow regulating valve (1) through the corresponding relation between the preset opening degree of the one-way flow regulating valve (1) and the time when hot water flows to the water consumption point from the water outlet pipe (3) to the water consumption end temperature sensor (2), so that the water temperature of the water consumption point is the same as the temperature collected by the water consumption end temperature sensor (2) arranged in the gas water heater, and the adjustment of the water outlet temperature is completed;
wherein, be provided with branch road (5) that are used for connecting outlet pipe (3) and inlet tube (4) in the gas hot water, one-way flow control valve (1) sets up on branch road (5).
2. The outlet water temperature adjusting method of the gas water heater according to claim 1, characterized in that the corresponding relation between the opening degree of the one-way flow adjusting valve (1) and the time of hot water flowing from the outlet pipe (3) to the water end temperature sensor (2) and to the water using point is as follows: c. Cn＝t0/tn；
CnWhen the nth water consumption point is selected, the opening degree of the one-way flow regulating valve (1) is adjusted;
t0the time for hot water to flow from the water outlet pipe (3) to the water end temperature sensor (2) is calculated;
tnthe time for hot water to flow from the water outlet pipe (3) to the nth water consumption point is n ═ 1,2,3 … ….
3. The outlet water temperature regulation method of a gas water heater according to claim 2, characterized in that the time t for the hot water to flow from the outlet pipe (3) to the water end temperature sensor (2)0The method specifically comprises the following steps:
t0＝l0/v0；
wherein l0The distance from the water outlet pipe (3) to the water end temperature sensor (2)Separating;
v0is the corresponding flow velocity of water when the one-way flow regulating valve (1) is fully opened.
4. Method for regulating the outlet water temperature of a gas water heater according to claim 3, characterized in that the time t for the hot water to flow from the outlet pipe (3) to the nth water consumption pointnThe method specifically comprises the following steps:
tn＝ln/vn；
wherein lnThe distance from the water outlet pipe (3) to the nth water consumption point is calculated;
vnthe flow rate of water at the nth water usage point.
5. The outlet water temperature regulating method of the gas water heater according to any one of claims 1-4, characterized in that the opening degree of the one-way flow regulating valve (1) is regulated by a stepping motor arranged in the gas water heater.
6. The outlet water temperature adjusting method of the gas water heater is characterized by further comprising the step of readjusting the opening degree of the one-way flow adjusting valve (1) when the controller detects that the user switches the water outlet point, so that the water temperature of the water outlet point is the same as the temperature collected by the water end temperature sensor (2) arranged in the gas water heater.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910271060.XA CN110186179B (en) | 2019-04-04 | 2019-04-04 | Water outlet temperature adjusting method and system of gas water heater |
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| CN201910271060.XA CN110186179B (en) | 2019-04-04 | 2019-04-04 | Water outlet temperature adjusting method and system of gas water heater |
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| CN110186179A CN110186179A (en) | 2019-08-30 |
| CN110186179B true CN110186179B (en) | 2021-03-30 |
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| CN113465181B (en) * | 2021-06-15 | 2024-03-12 | 广东万和新电气股份有限公司 | Temperature control method, temperature control device, water heater and bath controller |
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| CN101545672B (en) * | 2008-03-28 | 2011-03-23 | 聂勋渝 | Gas water heater with remained water in water outlet pipe capable of being recycled |
| CN201992799U (en) * | 2011-04-12 | 2011-09-28 | 励土峰 | Gas water heater capable of adjusting temperature automatically |
| CN103344046B (en) * | 2013-06-28 | 2018-07-20 | 海尔集团公司 | Constant temp gas water heater control method and constant temp gas water heater |
| CN204128163U (en) * | 2014-09-05 | 2015-01-28 | 广东万家乐燃气具有限公司 | A kind of type variable instant-heating type water heater |
| PT109011A (en) * | 2015-12-03 | 2017-06-05 | Bosch Termotecnologia Sa | DEVICE FOR THE PRODUCTION OF HOT WATER |
| CN105402879A (en) * | 2015-12-11 | 2016-03-16 | 广东万家乐燃气具有限公司 | Condensation type gas water heater and constant-temperature control method |
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