CN110017608B - Water tank structure and gas instantaneous water heater - Google Patents
Water tank structure and gas instantaneous water heater Download PDFInfo
- Publication number
- CN110017608B CN110017608B CN201910220130.9A CN201910220130A CN110017608B CN 110017608 B CN110017608 B CN 110017608B CN 201910220130 A CN201910220130 A CN 201910220130A CN 110017608 B CN110017608 B CN 110017608B
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- water
- pipe
- gas
- water tank
- water outlet
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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
-
- 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
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/139—Continuous flow heaters
Abstract
The invention discloses a water tank structure for reducing water cut-off and temperature rise of a gas water heater, which comprises: the water tank comprises a water tank body, and a water inlet pipe and a water outlet pipe which are connected to the water tank body; the water tank is characterized in that the water inlet pipe enters from the top of the water tank body, the water outlet pipe enters from the bottom of the water tank body, and the water outlet of the water inlet pipe is lower than the water inlet of the water outlet pipe; a connecting pipe for communicating the water inlet pipe and the water outlet pipe is arranged between the water inlet pipe and the water outlet pipe, the connecting end of the connecting pipe and the water inlet pipe is higher than the water outlet, and the connecting end of the connecting pipe and the water outlet pipe is lower than the water inlet. The invention can reduce the water cut-off temperature rise and does not influence the hot water outlet time of the gas water heater. The invention also provides a gas instantaneous water heater.
Description
Technical Field
The invention relates to the technical field of gas instantaneous water heaters, in particular to a water tank structure for reducing water cut-off and temperature rise of a gas water heater and the gas instantaneous water heater.
Background
Due to the structural restriction of the gas instantaneous water heater, most of the existing gas instantaneous water heaters have the phenomenon of water cut and temperature rise; when a user stops bathing and then uses the shower bath, a section of high-temperature water and a section of cold water are firstly contained, so that the bathing experience of the user is influenced. Wherein, the water cut-off temperature rise of the gas instantaneous water heater using the stainless steel heat exchanger can reach more than ten degrees, and the skin can be scalded by the overhigh water cut-off temperature rise in severe cases.
Aiming at the problem of water cut-off and temperature rise of the gas instantaneous water heater, the prior art mainly comprises the following solving means: 1) the water storage tank is added at the water outlet end of the gas instantaneous water heater, and after the water storage tank is added, the heating time of the whole machine is longer. 2) By using the bypass pipe and the water mixing valve, the structure is complex and the control is inconvenient.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a water tank structure which can reduce the water cut-off temperature rise and does not influence the hot water outlet time of a gas water heater.
The invention also provides a gas instantaneous water heater with the water tank structure.
In order to achieve the purpose, the invention adopts the following technical scheme.
A pitcher configuration for reducing the water cut-off temperature rise of a gas water heater, comprising: the water tank comprises a water tank body, and a water inlet pipe and a water outlet pipe which are connected to the water tank body; the water tank is characterized in that the water inlet pipe enters from the top of the water tank body, the water outlet pipe enters from the bottom of the water tank body, and the water outlet of the water inlet pipe is lower than the water inlet of the water outlet pipe; a connecting pipe for communicating the water inlet pipe and the water outlet pipe is arranged between the water inlet pipe and the water outlet pipe, the connecting end of the connecting pipe and the water inlet pipe is higher than the water outlet, and the connecting end of the connecting pipe and the water outlet pipe is lower than the water inlet.
As a further explanation of the above scheme, the connecting pipe is a straight pipe arranged in the water tank body.
As a further explanation of the above solution, the distance from the water outlet to the bottom of the pitcher body is smaller than the distance from the water inlet to the top of the pitcher body.
As a further explanation of the scheme, the distance from the water outlet to the bottom of the water tank body is not more than 30 mm.
As a further explanation of the scheme, the water inlet pipe, the water outlet pipe and the connecting pipe are all round pipes, the pipe diameters of the water inlet pipe and the water outlet pipe are the same, and the pipe diameter of the connecting pipe is larger than or equal to that of the water inlet pipe.
A gas instantaneous water heater comprising: the gas water heater comprises a gas water heater body, a heat exchanger part arranged in the gas water heater body, and a cold water inlet pipe and a hot water outlet pipe which are connected with the heat exchanger part; the water tank is characterized in that the hot water outlet pipe is provided with the water tank structure.
As a further explanation of the above solution, the water tank structure is disposed inside the gas water heater body.
As a further explanation of the above scheme, the gas water heater body is a strong pumping type gas water heater or a strong drum type gas water heater
The invention has the beneficial effects that:
by arranging the connecting pipe for connecting the water tank water inlet pipe and the water tank water outlet pipe, when the gas instantaneous water heater is started to work, water flows through the water tank water inlet pipe and simultaneously flows to the connecting pipe and the inner cavity of the water tank body, the water flows flowing to the connecting pipe directly flows out through the water tank water outlet pipe for users to use, and the water flows flowing to the inner cavity of the water tank body gradually fill the inner cavity of the water tank body, so that hot water can be discharged without waiting for the inner cavity of the water tank body to be filled with water, and the heating time of the whole machine is reduced; when the gas water heater is stopped when in use, the inner cavity of the water tank body is filled with warm water, when the gas water heater is boiled, the warm water in the inner cavity of the water tank body flows into and out of the water pipe under the action of the water pressure of the water tank, is mixed with cold water and hot water (firstly a section of high-temperature water and then a section of cold water) flowing into the connecting pipe from the water inlet pipe, is neutralized in temperature, and finally flows out from the water outlet pipe, so that the water-stop temperature rise of the whole machine is reduced; thereby achieving the effects of reducing the water cut-off temperature rise and not influencing the hot water outlet time of the gas water heater.
Drawings
Fig. 1 is a schematic structural diagram of a gas instantaneous water heater provided by the invention.
Fig. 2 is a schematic view showing the structure of the water tank.
Description of reference numerals:
1: gas water heater body, 2: heat exchanger unit, 3: cold water inlet pipe, 4: hot water outlet pipe, 5: a water tank structure.
5-1: water tank body, 5-2: inlet tube, 5-3: water outlet pipe, 5-4: water outlet, 5-5: water inlet, 5-6: and (4) connecting the pipes.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present invention, unless otherwise specified and limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the invention, but are not to be construed as limiting the invention.
As shown in fig. 1, a gas instantaneous water heater comprises: the gas water heater comprises a gas water heater body 1, a heat exchanger part 2 arranged in the gas water heater body 1, and a cold water inlet pipe 3 and a hot water outlet pipe 4 which are connected with the heat exchanger part 2; a water tank structure 5 is arranged on the hot water outlet pipe 4.
Wherein, the gas water heater body 1 is a strong pumping type gas water heater or a strong drum type gas water heater. The heat exchanger unit 2 is made of copper or stainless steel.
The water tank structure 5 is arranged in the gas water heater body 1. The water tank structure 5 includes: the water tank comprises a water tank body 5-1, and a water inlet pipe 5-2 and a water outlet pipe 5-3 which are connected to the water tank body 5-1; the water inlet pipe 5-2 enters from the top of the water tank body 5-1, the water outlet pipe 5-3 enters from the bottom of the water tank body 5-1, and the water outlet 5-4 of the water inlet pipe 5-2 is lower than the water inlet 5-5 of the water outlet pipe 5-3; a connecting pipe 5-6 for communicating the water inlet pipe 5-2 with the water outlet pipe 5-3 is arranged between the water inlet pipe 5-2 and the water outlet pipe 5-3, the connecting end of the connecting pipe 5-6 and the water inlet pipe 5-2 is higher than the water outlet 5-4, and the connecting end of the connecting pipe 5-6 and the water outlet pipe 5-3 is lower than the water inlet 5-5.
In this embodiment, the connection pipe 5-6 is preferably a straight pipe disposed inside the water tank body 5-1. Preferably, the water inlet pipe 5-2, the water outlet pipe 5-3 and the connecting pipe 5-6 are all round pipes, the pipe diameters of the water inlet pipe 5-2 and the water outlet pipe 5-3 are the same, and the pipe diameter of the connecting pipe 5-6 is larger than or equal to the pipe diameter of the water inlet pipe 5-2. Therefore, the hot water for starting the gas instantaneous water heater can flow out of the water outlet pipe 5-3 quickly.
Further preferably, the distance from the water outlet 5-4 to the bottom of the water tank body 5-1 is not more than 30 mm. Preferably, the distance from the water outlet 5-4 to the bottom of the water tank body 5-1 is less than the distance from the water inlet 5-5 to the top of the water tank body 5-1. Therefore, the quick water outlet and the water mixing effect can be ensured.
Comparative experiment
The gas instantaneous water heater provided by the embodiment is used as a first sample, a gas instantaneous water heater with a common water storage tank is used as a second sample, and a gas instantaneous water heater without a water storage tank is used as a third sample, and the heating time (hot water outlet time) and the water cut-off temperature rise of the gas instantaneous water heater are respectively tested by ignition, and the results are shown in table 1.
TABLE 1 comparative experimental results
| Sample No | Sample No. 2 | Sample No. three | |
| Heating time(s) | 14 | 28 | 13 |
| Water temperature rise (DEG C) | 2 | 1 | Oxygen-free copper 7 stainless steel 13 |
As can be seen from table 1: and on the water stop temperature rise of the whole machine, the first sample and the second sample are close to each other and are lower than the third sample, and on the heating time of the whole machine, the first sample is close to the third sample and is far lower than the second sample. Therefore, the gas instantaneous water heater provided by the embodiment can reduce the water cut-off temperature rise of the gas water heater and avoid the great extension of the heating time and the water waste of the gas water heater caused by the introduction of the water storage tank; the method has the advantages of achieving the technical effects which are not achieved by the prior art and having remarkable progress.
It will be appreciated by those skilled in the art from the foregoing description of construction and principles that the invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the teachings of the art may be made without departing from the scope of the invention as defined by the appended claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (5)
1. A pitcher configuration for reducing the water cut-off temperature rise of a gas water heater, comprising: the water tank comprises a water tank body, and a water inlet pipe and a water outlet pipe which are connected to the water tank body; the water tank is characterized in that the water inlet pipe enters from the top of the water tank body, the water outlet pipe enters from the bottom of the water tank body, and the water outlet of the water inlet pipe is lower than the water inlet of the water outlet pipe; a connecting pipe for communicating the water inlet pipe and the water outlet pipe is arranged between the water inlet pipe and the water outlet pipe, the connecting pipe is a straight pipe arranged in the water tank body, the connecting end of the connecting pipe and the water inlet pipe is higher than the water outlet, and the connecting end of the connecting pipe and the water outlet pipe is lower than the water inlet; the distance from the water outlet to the bottom of the water tank body is smaller than the distance from the water inlet to the top of the water tank body, and the distance from the water outlet to the bottom of the water tank body is not more than 30 mm.
2. The water tank structure according to claim 1, wherein the water inlet pipe, the water outlet pipe and the connecting pipe are all round pipes, the diameter of the water inlet pipe is the same as that of the water outlet pipe, and the diameter of the connecting pipe is larger than or equal to that of the water inlet pipe.
3. A gas instantaneous water heater comprising: the gas water heater comprises a gas water heater body, a heat exchanger part arranged in the gas water heater body, and a cold water inlet pipe and a hot water outlet pipe which are connected with the heat exchanger part; characterized in that the hot water outlet pipe is provided with a water tank structure according to any one of claims 1-2.
4. A gas instantaneous water heater according to claim 3, characterized in that said water tank structure is provided in said gas water heater body.
5. The gas instantaneous water heater according to claim 3, characterized in that the gas water heater body is a strong pumping type gas water heater or a strong drum type gas water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220130.9A CN110017608B (en) | 2019-03-22 | 2019-03-22 | Water tank structure and gas instantaneous water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910220130.9A CN110017608B (en) | 2019-03-22 | 2019-03-22 | Water tank structure and gas instantaneous water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110017608A CN110017608A (en) | 2019-07-16 |
| CN110017608B true CN110017608B (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910220130.9A Active CN110017608B (en) | 2019-03-22 | 2019-03-22 | Water tank structure and gas instantaneous water heater |
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| CN (1) | CN110017608B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938546A (en) * | 1982-08-30 | 1984-03-02 | Matsushita Electric Ind Co Ltd | Hot-water boiler |
| CN2391141Y (en) * | 1999-08-05 | 2000-08-09 | 李毅 | Water temperature buffer |
| CN106091385B (en) * | 2016-07-29 | 2022-12-20 | 芜湖美的厨卫电器制造有限公司 | Water storage tank and gas water heater |
| CN106766115A (en) * | 2016-12-14 | 2017-05-31 | 广东万家乐燃气具有限公司 | A kind of thermostate gas combustion water heater |
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- 2019-03-22 CN CN201910220130.9A patent/CN110017608B/en active Active
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