CN111595025A - Temperature control device of water heater and water heater - Google Patents
Temperature control device of water heater and water heater Download PDFInfo
- Publication number
- CN111595025A CN111595025A CN202010398816.XA CN202010398816A CN111595025A CN 111595025 A CN111595025 A CN 111595025A CN 202010398816 A CN202010398816 A CN 202010398816A CN 111595025 A CN111595025 A CN 111595025A
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- chamber
- water
- control device
- hot water
- temperature control
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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
- F24H9/0005—Details for water heaters
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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
- F24H1/12—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 in which the water is kept separate from the heating medium
- F24H1/124—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 in which the water is kept separate from the heating medium using fluid fuel
- F24H1/125—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 in which the water is kept separate from the heating medium using fluid fuel combined with storage tank
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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)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
Relate to the water heater technique, the application provides a temperature control device and water heater of water heater, temperature control device packs water storage container, water storage container includes first cavity and second cavity, first cavity with be equipped with the heat transfer portion that is used for carrying out the heat exchange between the second cavity, first cavity is provided with cold water inlet and cold water supply mouth, the second cavity is provided with hot water inlet and hot water supply mouth. The temperature maintaining function of the whole machine is realized, so that the phenomenon that the water temperature is suddenly cooled and suddenly heated within a period of time after the water heater is turned on and off is effectively solved.
Description
Technical Field
The application relates to a water heater technology, in particular to a temperature control device of a water heater and the water heater.
Background
The instant water heater is characterized in that cold water is rapidly heated to a preset temperature through a high-power heating element, and the instant water heater has the advantages of small volume, no need of a water storage tank, space saving and high hot water discharging speed compared with a water storage type water heater.
With the popularization of gas water heaters and the popularization of comfortable bathing concepts, the stability of the temperature of hot water discharged from the gas water heater and the control of constant temperature performance in the bathing process are important points for industrial research. When a user uses water, the water heater is temporarily turned off and then boiled, the water temperature of the water temporarily stored in the heat exchanger rises rapidly, and the heat exchanger is heated after the water is boiled again, so that the problem of uncomfortable bathing caused by that the water temperature of the hot water supplied to the outside is suddenly high and suddenly cold can be solved.
Disclosure of Invention
In order to solve the problem that the water temperature of the water heater in the prior art is suddenly cold and hot, the application provides a temperature control device of the water heater and the water heater.
In a first aspect, the application provides a temperature control device of a water heater, temperature control device packs water storage container, water storage container includes first cavity and second cavity, first cavity with be equipped with the heat transfer portion that is used for carrying on the heat exchange between the second cavity, first cavity is provided with cold water inlet and cold water supply mouth, the second cavity is provided with hot water inlet and hot water supply mouth.
According to an embodiment of the present application, the second chamber further comprises a mixing tube connected to the outlet tube, and the hot water supply port is provided at an end of the mixing tube close to a top of the second chamber.
According to an embodiment of the present application, the flow mixing tube extends through the first chamber to a top of the second chamber.
According to an embodiment of the present application, the heat exchanging portion is a heat conducting wall plate partitioned between the first chamber and the second chamber.
According to an embodiment of the present application, the first chamber is located at a lower side of the second chamber, or the first chamber is located at an upper side of the second chamber.
According to an embodiment of the present application, the first chamber surrounds the second chamber.
According to an embodiment of the present application, the first chamber passes through the second chamber, the first chamber having a multi-stage folded section within the second chamber.
On the other hand, the application still has a water heater, includes hot water outlet pipe, heat exchanger, cold water inlet tube and temperature control device as before.
According to an embodiment of the present application, the temperature control device is connected to the cold water inlet pipe and the hot water outlet pipe, and is used for the hot water outlet pipe and the cold water inlet pipe to exchange heat.
According to an embodiment of the present application, the water heater is an instantaneous gas water heater.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
when the water is switched on and off temporarily at the water using point of the water heater, hot water is automatically stored in the thermostatic device, and when the water using switch is switched on again, high-temperature hot water flowing out of the heat exchanger is mixed with water in the thermostatic device for buffering, and simultaneously exchanges heat with cold water circulating in the water inlet pipe, so that the water outlet temperature is reduced, and uncomfortable use caused by overhigh temperature rise due to water cut-off is avoided; the general water heater can output certain cold water which is not heated by a heat exchange system in the process of ignition to combustion heating after being shut down, the use comfort is seriously influenced, the constant temperature device is of a double-layer structure, hot water in the tank and the cold water of the water inlet pipe are subjected to heat exchange heating, when the unit is restarted again, the temperature of the unheated section of cold water is close to the temperature of water stored in the constant temperature device, the unheated cold water and the stored hot water of the constant temperature device are mixed and buffered, and simultaneously, the cold water exchanges heat with the cold water in the water inlet pipe and then outputs the hot water, so that the temperature continuing function of the whole machine is realized, and the phenomenon that the water temperature is suddenly cooled and suddenly.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic system diagram of a water heater provided in an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a thermostat of a water heater according to a first embodiment of the present application.
Fig. 3 is a schematic structural diagram of a thermostat of a water heater according to a second embodiment of the present application.
Reference numerals:
a hot water outlet pipe 1; a water storage container 3; a first chamber 31; a second chamber 32; a heat exchanging portion 33; a mixing tube 34; a cold water inlet 35; a cold water supply port 36; a hot water inlet 37; a hot water supply port 38; a heat exchanger 5; a cold water inlet pipe 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In view of the prior art, after the general water heater is restarted after being shut down, the water heater can output certain cold water which is not heated by the heat exchange system in the process from ignition to combustion heating, and the use comfort is seriously influenced.
Utilize this application embodiment, can be when water heater water spot short-time switch water, automatic storage hot water in thermostatic device, when opening the water switch once more, the high temperature hot water that the heat exchanger flows mixes the buffering with the thermostatic device internal water, carries out the heat transfer with the cold water of the intraductal circulation of intaking simultaneously to reduce leaving water temperature, avoid leading to uncomfortable using because of the temperature rise of cutting off the water is too high.
The constant temperature device can be of a double-layer structure, hot water in the tank and cold water of the water inlet pipe exchange heat and heat, when the unit is restarted again, the temperature of the unheated section of cold water is close to the temperature of water stored in the constant temperature device, the unheated cold water and the stored hot water of the constant temperature device are mixed and buffered at the moment, and simultaneously the unheated cold water and the stored hot water of the constant temperature device exchange heat and then output hot water, so that the temperature continuing function of the whole machine is realized, and the phenomenon that the water temperature is suddenly cooled and suddenly heated in a period of time after the.
The embodiments of the present application are schematically described below with reference to the accompanying drawings:
in one aspect of the present application, fig. 1 is a schematic system diagram of a water heater according to an embodiment of the present application, and fig. 2 is a schematic structural diagram of a thermostat of a water heater according to a first embodiment of the present application. The temperature control device of the water heater provided by this embodiment mainly packages the water storage container 3, the water storage container 3 may be considered to include a first chamber 31 and a second chamber 32, a heat exchanging portion 33 for performing heat exchange is disposed between the first chamber 31 and the second chamber 32, the first chamber 31 is provided with a cold water inlet 35 and a cold water supply port 36, and the second chamber 32 is provided with a hot water inlet 37 and a hot water supply port 38.
Can carry out the heat transfer with cold water and hot water storage space through heat transfer portion 33, can reduce the quick temperature rise of outlet pipe on the one hand, on the other hand can exchange the heat of hot water to cold water in the outlet pipe, can reduce because the output hot water that the interchanger heating lag leads to becomes cold problem fast.
Compared with the prior art, through the technical idea of mixing water and solving the same problem, the problem that the hot water is suddenly cooled and suddenly heated is solved through hot water cache and with cold water heat transfer in this application, and for the stable hot water of the muddy hydrophone output temperature of rear end, user's travelling comfort has been improved, and this kind of technical idea is not like mixing water idea fast disturbance leaving water temperature.
According to an embodiment of the present invention, the second chamber 32 further comprises a mixing tube 34 connected to the outlet tube, and the hot water supply port 38 is provided at an end of the mixing tube 34 near the top of the second chamber 32. The mixing pipe 34 fully extends into the second chamber 32, the hot water inlet 37 is arranged at the position far away from the hot water supply port 38 on the side surface of the second chamber 32, and the water supply direction of the hot water inlet 37 is vertical to the water outlet direction of the mixing pipe 34, so that the hot water entering through the hot water inlet 37 can enter the mixing pipe 34 to be supplied outwards after turning and flowing for a long distance, and can be fully mixed with the hot water entering the second chamber 32.
As shown, the mixing tube 34 extends through the first chamber 31 to the top of the second chamber 32. That is, the mixing pipe 34 can still exchange heat with the cold water in the first chamber 31.
According to an embodiment of the present invention, the heat exchanging portion 33 is a heat conducting wall plate separated between the first chamber 31 and the second chamber 32. The thermally conductive wall plate may be made of a high thermal conductivity material, such as aluminum, aluminum alloy, or magnesium alloy. Those skilled in the art will appreciate that the thermally conductive wall plate may have a concave-convex portion, similar to a radiator structure or a radiator fin structure.
According to an embodiment of the present application, the first chamber 31 is located at a lower side of the second chamber 32, but the first chamber 31 may be located at an upper side of the second chamber 32.
Fig. 3 is a schematic structural view of a thermostat of a water heater according to a second embodiment of the present application. Referring to the first embodiment, the temperature control device of a water heater provided in this embodiment mainly packages a water storage container 3, where the water storage container 3 may be considered to include a first chamber 31 and a second chamber 32, a heat exchanging portion 33 for performing heat exchange is disposed between the first chamber 31 and the second chamber 32, the first chamber 31 is provided with a cold water inlet 35 and a cold water supply port 36, and the second chamber 32 is provided with a hot water inlet 37 and a hot water supply port 38. In this embodiment the first chamber 31 is formed in a pipe passing through the second chamber 32, and the wall of this pipe is the heat exchanging part 33.
Can carry out the heat transfer with cold water and hot water storage space through heat transfer portion 33, can reduce the quick temperature rise of outlet pipe on the one hand, on the other hand can exchange the heat of hot water to cold water in the outlet pipe, can reduce because the output hot water that the interchanger heating lag leads to becomes cold problem fast.
Compared with the prior art, through the technical idea of mixing water and solving the same problem, the problem that the hot water is suddenly cooled and suddenly heated is solved through hot water cache and with cold water heat transfer in this application, and for the stable hot water of the muddy hydrophone output temperature of rear end, user's travelling comfort has been improved, and this kind of technical idea is not like mixing water idea fast disturbance leaving water temperature.
According to an embodiment of the present invention, the second chamber 32 further comprises a mixing tube 34 connected to the outlet tube, and the hot water supply port 38 is provided at an end of the mixing tube 34 near the top of the second chamber 32. The mixing pipe 34 fully extends into the second chamber 32, the hot water inlet 37 is arranged at the position far away from the hot water supply port 38 on the side surface of the second chamber 32, and the water supply direction of the hot water inlet 37 is vertical to the water outlet direction of the mixing pipe 34, so that the hot water entering through the hot water inlet 37 can enter the mixing pipe 34 to be supplied outwards after turning and flowing for a long distance, and can be fully mixed with the hot water entering the second chamber 32.
According to an embodiment of the present application, the first chamber 31 passes through the second chamber 32, and the first chamber 31 has a multi-stage folding section in the second chamber 32. As shown, the first chamber 31 is formed as a spiral tube structure, coiled outside the flow mixing tube 34. The cold and hot water heat exchange structure with the spiral pipe structure can prolong the heat exchange area of the cold water pipe, and the heat exchange path is lengthened, so that the heat in cold water can be effectively absorbed.
In another embodiment, the first chamber 31 may alternatively surround the second chamber 32, or vice versa.
In another aspect of the present application, it can also be considered to provide a water heater, which mainly comprises a hot water outlet pipe 1, a heat exchanger 5, a cold water inlet pipe 6 and a temperature control device as in any one of the previous embodiments.
According to an embodiment of the present application, the temperature control device is connected to the cold water inlet pipe 6 and the hot water outlet pipe 1, and is used for the hot water outlet pipe 1 and the cold water inlet pipe 6 to exchange heat.
According to an embodiment of the present application, the water heater is an instantaneous gas water heater.
The working principle of the constant temperature device in the embodiment of the application is that high-temperature hot water which is heated when water is cut off or a section of cold water which is not heated when the unit is restarted is mixed and buffered with the hot water in the constant temperature device, so that the outlet water temperature of the water outlet end of the constant temperature device is constant, and overlarge water temperature fluctuation is avoided; in the unit use, the water spot among the user's family can not be always be the normally open state, when the short-term closed condition appears, the temperature rise condition can appear for hot water temperature in the heat exchanger is too high, when opening the water spot once more, in the hot water of excess enters into constant temperature equipment through the outlet pipe, mixes with the hot water of self storage in the constant temperature equipment and carries out the heat transfer with the intraductal circulation's of intaking cold water simultaneously, thereby reduces leaving water temperature, avoids the temperature too high scald skin.
When the unit is restarted for a short time, after the common water heater is restarted, cold water which is not heated by a heat exchange system is output in the process from ignition to combustion heating, the cold water is mixed and buffered with hot water in a constant temperature device, but the obtained outlet water temperature is not very high, in order to ensure that the obtained outlet water temperature has small deviation from the temperature set in the actual use process, a water inlet pipe is connected to the constant temperature device and then connected to the heat exchange system, in the use process, the cold water of the water inlet pipe exchanges heat with the hot water in the constant temperature device, so that the temperature of the water entering the heating system is increased, when the unit is restarted for the second time, the actual temperature of the unheated cold water in the section in the ignition heating process is close to the outlet water temperature of the constant temperature device, the cold water flows into the constant temperature device through a water outlet pipe to be buffered and mixed with the hot water in a tank, meanwhile, the, effectively reduce the problem of water temperature fluctuation and improve the use comfort of users.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The temperature control device of the water heater is characterized in that the temperature control device is used for packaging a water storage container (3), the water storage container (3) comprises a first chamber (31) and a second chamber (32), a heat exchange portion (33) used for carrying out heat exchange is arranged between the first chamber (31) and the second chamber (32), the first chamber (31) is provided with a cold water inlet (35) and a cold water supply port (36), and the second chamber (32) is provided with a hot water inlet (37) and a hot water supply port (38).
2. A temperature control device according to claim 1, wherein the second chamber (32) further comprises a mixing tube (34) leading to a water outlet, the hot water supply port (38) being provided at an end of the mixing tube (34) adjacent to the top of the second chamber (32).
3. The temperature control device of claim 2, wherein the flow mixing tube (34) extends through the first chamber (31) to a top of the second chamber (32).
4. The temperature control device according to claim 1, wherein the heat exchanging portion (33) is a heat conductive wall plate partitioned between the first chamber (31) and the second chamber (32).
5. A temperature control device according to claim 1, characterized in that the first chamber (31) is located at the lower side of the second chamber (32) or the first chamber (31) is located at the upper side of the second chamber (32).
6. The temperature control device according to any one of claims 1 to 4, wherein the first chamber (31) surrounds the second chamber (32).
7. The temperature control device according to any one of claims 1 to 4, wherein the first chamber (31) passes through the second chamber (32), the first chamber (31) having a multi-stage zone within the second chamber (32).
8. A water heater comprising a hot water outlet pipe (1), a heat exchanger (5), a cold water inlet pipe (6) and a temperature control device according to any one of claims 1 to 7.
9. The water heater according to claim 8, characterized in that the temperature control device is connected to the cold water inlet pipe (6) and the hot water outlet pipe (1) for heat exchange between the hot water outlet pipe (1) and the cold water inlet pipe (6).
10. The water heater of claim 8, wherein the water heater is a gas instantaneous water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398816.XA CN111595025A (en) | 2020-05-12 | 2020-05-12 | Temperature control device of water heater and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010398816.XA CN111595025A (en) | 2020-05-12 | 2020-05-12 | Temperature control device of water heater and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111595025A true CN111595025A (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010398816.XA Pending CN111595025A (en) | 2020-05-12 | 2020-05-12 | Temperature control device of water heater and water heater |
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| CN (1) | CN111595025A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251841A (en) * | 2021-12-28 | 2022-03-29 | 华帝股份有限公司 | Control method of zero-cold-water heater and zero-cold-water heater |
-
2020
- 2020-05-12 CN CN202010398816.XA patent/CN111595025A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251841A (en) * | 2021-12-28 | 2022-03-29 | 华帝股份有限公司 | Control method of zero-cold-water heater and zero-cold-water heater |
| CN114251841B (en) * | 2021-12-28 | 2023-06-02 | 华帝股份有限公司 | Control method of zero-cooling water heater and zero-cooling water heater |
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