CN107144019B - Solar energy linkage gas quick water heater with water mixing valve - Google Patents
Solar energy linkage gas quick water heater with water mixing valve Download PDFInfo
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- CN107144019B CN107144019B CN201710349327.3A CN201710349327A CN107144019B CN 107144019 B CN107144019 B CN 107144019B CN 201710349327 A CN201710349327 A CN 201710349327A CN 107144019 B CN107144019 B CN 107144019B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 238000000034 method Methods 0.000 claims description 11
- 230000002277 temperature effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a solar energy linkage gas quick water heater with a water mixing valve, which comprises: the device comprises a heat exchanger, a combustor for providing heat for the heat exchanger, a water inlet pipe, a water outlet pipe and a main controller, wherein the water inlet pipe and the water outlet pipe are connected to the heat exchanger; the solar water heater water inlet and outlet water connection device is characterized in that a first temperature sensor and a second temperature sensor which are connected with a main controller are respectively arranged on the water inlet and outlet water connection device of the solar water heater, and the main controller changes the water inflow of the water inlet and outlet water connection device of the solar water heater according to signals fed back by the first temperature sensor and the second temperature sensor. When the gas quick water heater works, the water outlet temperature of the gas quick water heater is always stabilized at the set temperature of a user, the constant temperature effect is outstanding, and when the user requirement is met, the hot water of the solar water heater is utilized to the maximum extent.
Description
Technical Field
The invention relates to the technical field of gas quick water heaters, in particular to a solar energy linkage gas quick water heater with a water mixing valve.
Background
When the solar water heater in the prior art is used, due to the changes of the morning, evening and seasons, the solar water heater cannot ensure that enough hot water is provided in 24 hours per day, or the solar water heater cannot be used continuously or simultaneously by a plurality of people, and particularly the hot water temperature of the solar water heater cannot meet the requirements of users in the evening or in winter. For example, in winter it takes at least 2 hours for a solar water heater to heat a tank of water at 20 degrees celsius to a temperature of 60 degrees celsius. The existing household appliance type solar water heater is usually combined with a gas quick water heater to solve the problem that the water temperature in a water tank of the water heater is insufficient when sunlight is insufficient.
The Chinese patent application CN102313315a discloses an automatic heating gas water heater capable of assisting solar energy heating, wherein a constant temperature water mixing valve is connected to the water inlet of the gas water heater to mix solar hot water and cold water, so that the temperature T of water flowing into the water inlet does not exceed the set temperature T in . Determining whether the water temperature of the water inlet is lower than the ignition temperature T by detecting the water temperature of the water inlet ref1 Or higher than the fire-closing temperature T ref2 Thereby controlling whether the burner needs to reheat or stop heating the water flowing through the heat exchanger.
However, in this scheme: due to the limitation of the lowest temperature rise K (the gas water heater is generally 4-5 ℃), when the temperature of the water inlet is at the ignition temperature T ref1 And fire closing temperature T ref2 During the time, the gas water heater is not started, and the temperature of the water outlet of the gas water heater is T ref1 -T ref2 The temperature cannot be stabilized at the set temperature, and the constant temperature requirement cannot be met.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a solar energy linkage gas quick water heater capable of ensuring that the outlet water temperature is stabilized at a set temperature.
In order to achieve the above purpose, the invention adopts the following technical scheme.
A solar energy linked gas rapid water heater with a water mixing valve, comprising: the device comprises a heat exchanger, a combustor for providing heat for the heat exchanger, a water inlet pipe, a water outlet pipe and a main controller, wherein the water inlet pipe and the water outlet pipe are connected to the heat exchanger; the solar water heater water inlet and outlet water connection device is characterized in that a first temperature sensor and a second temperature sensor which are connected with a main controller are respectively arranged on the water inlet and outlet water connection device of the solar water heater, and the main controller changes the water inflow of the water inlet and outlet water connection device of the solar water heater according to signals fed back by the first temperature sensor and the second temperature sensor.
As a further explanation of the above scheme, a water flow sensor connected with the main controller is provided on the water inlet pipe.
As a further explanation of the above scheme, a third temperature sensor connected to the main controller is provided on the water outlet pipe.
As a further explanation of the above-described aspects, an operation display is connected to the main controller, and a temperature setting key and a temperature display area are provided on the operation display.
As a further explanation of the above, when the second temperature sensor detects the temperature T 2 Not less than the set temperature T in At the time, the main controller detects the temperature T according to the first temperature sensor 1 And a temperature T detected by a second temperature sensor 2 Controlling the opening of the water mixing valve to control the cold and hot water proportion and the water outlet temperature T 0 ＝T in At this time, the gas rapid water heater is not started; when the second temperature sensor detects the temperature T 2 < set temperature T in The controller detects the detected temperature T according to the second temperature sensor 2 Set temperature T in The opening degree of the water mixing valve is adjusted by the temperature difference of the water mixing valve so that the water temperature T after mixing is less than or equal to T in -K, at which time the gas instantaneous water heater is started, so that to=t in The method comprises the steps of carrying out a first treatment on the surface of the Wherein K represents the lowest temperature rise of the gas rapid water heater.
As a further explanation of the above scheme, the outlet water temperature fed back by the third temperature sensor arranged on the outlet pipeDegree, when the water outlet temperature T 0 Set temperature T not equal to in And adjusting the opening of the water mixing valve or the heat load of the gas water heater.
As a further explanation of the scheme, the main controller controls the gas rapid water heater to be shut down and sends out an alarm signal when the water outlet temperature fed back by the third temperature sensor arranged on the water outlet pipe is higher than the threshold value.
The beneficial effects of the invention are as follows:
during operation, the main controller adjusts the mixing ratio of cold water and hot water by monitoring the inlet temperature of the gas quick water heater, and judges whether to start the gas quick water heater according to the user set temperature and the outlet temperature of the solar water heater, so that the outlet temperature of the gas quick water heater is always stabilized at the user set temperature, the constant temperature effect is outstanding, and the hot water of the solar water heater is utilized to the maximum extent when the user requirement is met.
Drawings
Fig. 1 is a schematic diagram of a solar energy linkage gas rapid water heater provided by the invention.
Reference numerals illustrate:
1: heat exchanger, 2: burner, 3: inlet tube, 4: and a water outlet pipe, 5: main controller, 6: mixing water valve, 7: cold water inlet, 8: water outlet connection port of solar water heater, 9: first temperature sensor, 10: second temperature sensor, 11: and a third temperature sensor 12, a water flow sensor.
Detailed Description
In the present invention, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such features, and in the description of the invention, "at least" means one or more, unless clearly specifically defined otherwise.
In the present invention, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless specified and limited otherwise, a first feature "up" or "down" a second feature may include both the first and second features being in direct contact, and may also include the first feature and the second feature not being in direct contact but being in contact with each other through another feature therebetween.
The technical scheme and the beneficial effects of the invention are more clear and definite by further describing the specific embodiments of the invention with reference to the drawings in the specification. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the invention and are not to be construed as limiting the invention.
As shown in fig. 1, a solar energy linkage gas rapid water heater with a water mixing valve comprises: the gas rapid water heater comprises a heat exchanger 1, a combustor 2 for providing heat for the heat exchanger 1, a water inlet pipe 3, a water outlet pipe 4 and a main controller 5 which are connected to the heat exchanger 1, wherein a water mixing valve 6 connected with the main controller 5 is arranged on the water inlet pipe 3 of the gas rapid water heater, and two water inlets of the water mixing valve 6 are respectively a cold water inlet 7 and a water outlet connection port 8 of the solar water heater; the solar water heater water inlet and outlet device is characterized in that a first temperature sensor 9 and a second temperature sensor 10 which are connected with a main controller 5 are respectively arranged on a water inlet and outlet port 7 and a water outlet port 8 of the solar water heater, the main controller 5 changes the water inflow of the water inlet and outlet port 7 and 8 of the solar water heater according to signals fed back by the first temperature sensor 9 and the second temperature sensor 10, and a third temperature sensor 11 is arranged on a water outlet pipe 4.
In actual operation, if the detected temperature T of the second temperature sensor 10 2 Not less than the set temperature T in The main controller 5 then generates a temperature T based on the temperature detected by the first temperature sensor 9 1 And the temperature T detected by the second temperature sensor 10 2 Controlling the opening of the water mixing valve 6 to control the ratio of cold water to hot water, and then the first stepThe water outlet temperature T fed back by the three-temperature sensor 11 0 Fine-tuning the opening of the water mixing valve 6 to ensure T 0 ＝T in At this time, the gas rapid water heater is not started.
If the second temperature sensor 10 detects a temperature T 2 < set temperature T in At this time, the controller detects the detected temperature T according to the second temperature sensor 10 2 Set temperature T in The opening degree of the water mixing valve is adjusted by the temperature difference of the water mixing valve so that the water temperature T after mixing is less than or equal to T in -K, at which time the gas instantaneous water heater is started, so that to=t in The method comprises the steps of carrying out a first treatment on the surface of the Wherein K represents the lowest temperature rise of the gas rapid water heater. Therefore, no matter the water outlet temperature of the solar water heater is high or low, the water outlet temperature of the gas rapid water heater can be ensured to be stable at the set temperature; when the requirements of users are met, the hot water of the solar water heater is utilized to the maximum extent.
Further, a water flow sensor 12 connected with the main controller 5 is arranged on the water inlet pipe 3, an operation display is also connected with the main controller 5, and a temperature setting key and a temperature display are arranged on the operation display, so that a user can set the water temperature and check the current water outlet temperature independently. And meanwhile, when the outlet water temperature is higher than a threshold value, the main controller controls the gas rapid water heater to be turned off and sends out an alarm signal.
From the above description of the structure and principles, it should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, but rather that modifications and substitutions using known techniques in the art on the basis of the present invention fall within the scope of the present invention, which is defined by the appended claims.
Claims (6)
1. A control method of a solar energy linkage gas quick water heater with a water mixing valve comprises the following steps: the device comprises a heat exchanger, a combustor for providing heat for the heat exchanger, a water inlet pipe, a water outlet pipe and a main controller, wherein the water inlet pipe and the water outlet pipe are connected to the heat exchanger; the solar water heater is characterized in that a first temperature sensor and a second temperature sensor which are connected with a main controller are respectively arranged on a water inlet and a water outlet connection port of the solar water heater, and the main controller changes the water inflow of the water inlet and the water outlet connection port of the solar water heater according to signals fed back by the first temperature sensor and the second temperature sensor;
when the second temperature sensor detects the temperature T 2 Not less than the set temperature T in At the time, the main controller detects the temperature T according to the first temperature sensor 1 And a temperature T detected by a second temperature sensor 2 Controlling the opening of the water mixing valve to control the cold and hot water proportion and the water outlet temperature T 0 =T in At this time, the gas rapid water heater is not started;
when the second temperature sensor detects the temperature T 2 < set temperature T in The controller detects the detected temperature T according to the second temperature sensor 2 Set temperature T in The opening degree of the water mixing valve is adjusted by the temperature difference of the water mixing valve so that the water temperature T after mixing is less than or equal to T in -K, at which time the gas instantaneous water heater is started, with the outlet water temperature to=t in The method comprises the steps of carrying out a first treatment on the surface of the Wherein K represents the lowest temperature rise of the gas rapid water heater.
2. The control method of the solar energy linkage gas rapid water heater according to claim 1, wherein a water flow sensor connected with the main controller is arranged on the water inlet pipe.
3. The control method of the solar energy linkage gas rapid water heater according to claim 1, wherein a third temperature sensor connected with the main controller is arranged on the water outlet pipe.
4. The control method of the solar energy linkage gas rapid water heater according to claim 1, wherein an operation display is connected to the main controller, and a temperature setting key and a temperature display area are arranged on the operation display.
5. Control method of solar energy linkage gas rapid water heater according to claim 1The method is characterized in that when the water outlet temperature is not equal To the set temperature T, the water outlet temperature fed back by a third temperature sensor arranged on the water outlet pipe in And adjusting the opening of the water mixing valve or the heat load of the gas water heater.
6. The control method of the solar energy linkage gas rapid water heater according to claim 1, wherein the main controller controls the gas rapid water heater to be turned off and sends out an alarm signal when the water outlet temperature fed back by a third temperature sensor arranged on the water outlet pipe is higher than a threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349327.3A CN107144019B (en) | 2017-05-17 | 2017-05-17 | Solar energy linkage gas quick water heater with water mixing valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349327.3A CN107144019B (en) | 2017-05-17 | 2017-05-17 | Solar energy linkage gas quick water heater with water mixing valve |
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| CN107144019A CN107144019A (en) | 2017-09-08 |
| CN107144019B true CN107144019B (en) | 2024-04-05 |
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| CN201710349327.3A Active CN107144019B (en) | 2017-05-17 | 2017-05-17 | Solar energy linkage gas quick water heater with water mixing valve |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094882A (en) * | 2018-01-31 | 2019-08-06 | 芜湖美的厨卫电器制造有限公司 | Gas heater and control method, computer readable storage medium, heating system |
| WO2020141712A1 (en) * | 2018-12-31 | 2020-07-09 | 주식회사 경동나비엔 | Apparatus and method for supplying hot water |
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