CN216522337U - Phase-change heat storage type water heater - Google Patents
Phase-change heat storage type water heater Download PDFInfo
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- CN216522337U CN216522337U CN202122968156.7U CN202122968156U CN216522337U CN 216522337 U CN216522337 U CN 216522337U CN 202122968156 U CN202122968156 U CN 202122968156U CN 216522337 U CN216522337 U CN 216522337U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 215
- 238000005338 heat storage Methods 0.000 title abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 239000012782 phase change material Substances 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 6
- 238000009841 combustion method Methods 0.000 abstract description 8
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of water heaters, and discloses a phase-change heat storage type water heater, which comprises: the shell is internally provided with an inner container made of phase-change materials; the heat exchange pipeline comprises a water inlet section, a water outlet section and a heat exchange section arranged in the liner, the water inlet section is provided with a first heating device, and the water outlet section is provided with a second heating device; and the circulating pipeline is communicated with the water inlet section and the water outlet section, the circulating pipeline is provided with a one-way valve and a first flow sensor, and the conduction direction of the one-way valve is from the water outlet section to the water inlet section. The circulating line communicates the section of intaking and goes out the water section, opens the inner loop and senses the flowing water through the back simultaneously through first flow sensor, recycles first heating device and/or second heating device and to the circulating water heating, further heats the phase change material of inner bag, can prevent the dry combustion method phenomenon to take place for follow-up intensification efficiency simultaneously, also prevents to heat in advance when going out the hot water mode, prevents to burn futilely.
Description
Technical Field
The utility model relates to the technical field of water heaters, in particular to a phase-change heat storage type water heater.
Background
The phase-change heat storage type water heater is characterized in that a phase-change material is filled in an inner container, a heat exchanger is embedded in the phase-change material, and the advantages of high enthalpy value and high energy storage density of the phase-change material are utilized to store heat energy in the phase-change material. When hot water is needed, cold water exchanges heat with the phase-change material through the heat exchanger to replace heat stored in the phase-change material.
However, in the phase change heat storage type water heater in the prior art, when a user uses hot water, the heating device is always in a heating state, and at the beginning stage, because a certain amount of hot water is stored in the water heater, if the high-power heating device is turned on to heat the hot water at this stage, the temperature of the hot water is too high, and a dry burning phenomenon easily occurs, so that the use safety of the water heater is seriously threatened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a phase-change heat storage type water heater which is not easy to dry heat.
The technical problem is solved by the following technical scheme:
a phase change thermal storage water heater comprising:
the shell is internally provided with an inner container made of phase change materials;
the heat exchange pipeline comprises a water inlet section, a water outlet section and a heat exchange section arranged in the inner container, wherein the water inlet section is provided with a first heating device, and the water outlet section is provided with a second heating device; and
and the circulating pipeline is communicated with the water inlet section and the water outlet section, the circulating pipeline is provided with a one-way valve and a first flow sensor, and the conduction direction of the one-way valve is from the water outlet section to the water inlet section.
Compared with the background art, the water inlet pipe has the beneficial effects that:
the circulating line communicates the section of intaking and goes out the water section, opens the inner loop and senses the flowing water through the back simultaneously through first flow sensor, recycles first heating device and/or second heating device and to the circulating water heating, further heats the phase change material of inner bag, can prevent the dry combustion method phenomenon to take place for follow-up intensification efficiency simultaneously, also prevents to heat in advance when going out the hot water mode, prevents to burn futilely.
In one embodiment, the water inlet section further comprises:
and the water pump is arranged between the water outlet section of the circulating pipeline and the heat exchange section.
In one embodiment, the first heating device is arranged between the water pump and the heat exchange section, and/or the second heating device is arranged between the water inlet end of the circulation pipeline and the heat exchange section.
In one embodiment, a water inlet electricity-proof wall is arranged between the water inlet end of the water inlet section and the water outlet end of the circulating pipeline, and a water outlet electricity-proof wall is arranged between the water outlet end of the water outlet section and the water inlet end of the circulating pipeline.
In one embodiment, a second flow sensor is arranged between the water inlet end of the water inlet section and the water outlet end of the circulating pipeline.
In one embodiment, a safety valve is arranged between the second flow sensor and the water outlet end of the circulating pipeline.
In one embodiment, the inner wall of the shell is provided with a heat insulation structure.
In one embodiment, the heat exchange section comprises a first water path and a second water path which are connected in parallel with each other.
In one embodiment, the heat exchange section comprises:
the heat exchanger comprises a first heat exchange tube and a second heat exchange tube, wherein the first heat exchange tube is provided with at least two rows, and each row of the first heat exchange tube is of a snake-shaped structure;
the second heat exchange tubes are provided with at least two rows, each row of the second heat exchange tubes is of a snake-shaped structure, and the second heat exchange tubes in each row and the first heat exchange tubes in each row are arranged in a parallel and staggered mode;
the plurality of U-shaped pipes enable the first heat exchange pipes to be sequentially conducted to form the first water channel, and the plurality of U-shaped pipes enable the second heat exchange pipes to be sequentially conducted to form the second water channel; and
and one Y-shaped pipe connects the water inlet ends of the first heat exchange pipe and the second heat exchange pipe to the water inlet section, and the other Y-shaped pipe connects the water outlet ends of the first heat exchange pipe and the second heat exchange pipe to the water outlet section.
Drawings
Fig. 1 is a phase change heat storage type water heater according to a first embodiment and a second embodiment of the present application;
fig. 2 is a schematic structural diagram of a heat exchange section of a phase change heat storage type water heater according to a second embodiment of the present application;
fig. 3 is a perspective view of a heat exchange section of a phase change thermal storage water heater according to the second embodiment of the present application.
In the figure:
1-a shell;
2-heat exchange lines; 20-a heat exchange section; 21-water inlet section; 22-water outlet section; 100-a first waterway; 200-a second waterway; 201-a first heat exchange tube; 202-a second heat exchange tube; 203-U-shaped pipe; 204-Y type tube;
3-a first heating device;
4-a second heating device;
5-a circulation pipeline; 51-a one-way valve;
61-a first flow sensor; 62-a second flow sensor;
7-a water pump;
81-water inlet electricity-proof wall; 82-water outlet electricity-proof wall;
9-safety valve.
Detailed Description
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 only a part of the embodiments of the present application, and not all of the 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 the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" 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 indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The first embodiment is as follows:
the present embodiment provides a phase change thermal storage type water heater, referring to fig. 1, which includes a housing 1, a heat exchange pipeline 2 and a circulation pipeline 5. The phase-change material heat exchange device comprises a shell 1, a phase-change material heat exchange pipeline 2 and a circulating pipeline 5, wherein the phase-change material heat exchange pipeline is arranged in the shell 1, the heat exchange pipeline 2 comprises a water inlet section 21, a water outlet section 22 and a heat exchange section 20 arranged in the inner container, the water inlet section 21 is provided with a first heating device 3, the water outlet section is provided with a second heating device 4, the circulating pipeline 5 is communicated with the water inlet section 21 and the water outlet section 22, the circulating pipeline 5 is provided with a one-way valve 51 and a first flow sensor 61, and the conducting direction of the one-way valve 51 is from the water outlet section 22 to the water inlet section 21.
Circulating line 5 intercommunication is intake section 21 and is gone out water section 22, opens the inner loop and induces the flowing water through first flow sensor 61 simultaneously and pass through the back, and reuse first heating device 3 and/or second heating device 4 are to the circulating water heating, further heats the phase change material of inner bag, can prevent dry combustion method phenomenon and take place for follow-up intensification efficiency simultaneously, also prevents to heat in advance when going out the hot water mode, prevents to dry combustion method.
Further, the section of intaking 21 still includes water pump 7, and water pump 7 sets up between the play water end of circulating line 5 and heat transfer section 20, for whole water route provides power, even do not intake through the section of intaking 21 simultaneously, also can realize the inner loop.
Further, the first heating device 3 is arranged between the water pump 7 and the heat exchange section 20, and/or the second heating device 4 is arranged between the water inlet end of the circulation pipeline 5 and the heat exchange section 20.
The water inlet section 21 and the water outlet section 22 are closed, water inside the water heater can be circularly heated through the first heating device 3 and/or the second heating device 4, the heating efficiency is improved, and in addition, dry burning can be prevented because the first flow sensor 61 is arranged.
A water inlet electricity-proof wall 81 is arranged between the water inlet end of the water inlet section 21 and the water outlet end of the circulating pipeline 5, and/or a water outlet electricity-proof wall 82 is arranged between the water outlet end of the water outlet section 22 and the water inlet end of the circulating pipeline 5.
The water inlet electricity-proof wall 81 and the water outlet electricity-proof wall 82 are arranged, so that the electric leakage possibly generated by the electric water heater can be prevented, and the safety threat to a bather caused by the electrification of a ground wire or the electrification of a water pipe can also be prevented.
Further, a second flow sensor 62 is disposed between the water inlet end of the water inlet section 21 and the water outlet end of the circulation pipeline 5.
By providing the second flow sensor 62, it is possible to accurately know whether water is entering.
Further, a safety valve 9 is provided between the second flow sensor 62 and the water outlet end of the circulation line 5. The safety valve 9 has the functions of a check valve and a pressure relief valve, can prevent water entering the electric water heater from flowing backwards and can drain redundant pressure when the pressure of the inner container of the electric water heater is higher, so that the service life of the inner container is ensured and the occurrence of an accident of explosion of the inner container is avoided.
Further, the inner wall of the shell 1 is provided with a heat insulation structure, so that the inner container is more easily insulated.
In the embodiment of the present application, the insulation structure is polyurethane.
Example two:
the present embodiment provides a phase change thermal storage type water heater, referring to fig. 1, which includes a housing 1, a heat exchange pipeline 2 and a circulation pipeline 5. The phase-change material inner container is arranged inside the shell 1, the heat exchange pipeline 2 comprises a water inlet section 21, a water outlet section 22 and a heat exchange section 20 arranged in the inner container, the water inlet section 21 is provided with a first heating device 3, the water outlet section 22 is provided with a second heating device 4, the circulating pipeline 5 is communicated with the water inlet section 21 and the water outlet section 22, the circulating pipeline 5 is provided with a one-way valve 51 and a first flow sensor 61, and the conducting direction of the one-way valve 51 is from the water outlet section 22 to the water inlet section 21.
Circulating line 5 intercommunication is intake section 21 and is gone out water section 22, opens the inner loop and induces the flowing water through first flow sensor 61 simultaneously and pass through the back, and reuse first heating device 3 and/or second heating device 4 are to the circulating water heating, further heats the phase change material of inner bag, can prevent dry combustion method phenomenon and take place for follow-up intensification efficiency simultaneously, also prevents to heat in advance when going out the hot water mode, prevents to dry combustion method.
Further, referring to fig. 2-3, the heat exchange section 20 includes a first water circuit 100 and a second water circuit 200 connected in parallel with each other. The first water channel 100 and the second water channel 200 are connected in parallel without mutual interference, so that the flow can be increased, and the flow demand can be met.
Specifically, the heat exchange section 20 includes a first heat exchange pipe 201, a second heat exchange pipe 202, a U-shaped pipe 203, and a Y-shaped pipe 204.
The first heat exchange tubes 201 are provided with four rows, and each row of the first heat exchange tubes 201 is of a snake-shaped structure; the second heat exchange tubes 202 are provided with four rows, each row of the second heat exchange tubes 202 is of a snake-shaped structure, and the second heat exchange tubes 202 in all the rows and the first heat exchange tubes 201 in all the rows are arranged in a parallel and staggered mode, so that the heat exchange efficiency can be ensured.
Three U-shaped tubes 203 will conduct four rows of first heat exchange tubes 201 in sequence to form the first water path 100, i.e. the dotted line part in fig. 3, and three other U-shaped tubes 203 will conduct four rows of second heat exchange tubes 202 in sequence to form the second water path 200, i.e. the solid line part in fig. 3.
One Y-shaped pipe 204 connects the water inlet ends of the first heat exchange pipe 201 and the second heat exchange pipe 202 to the water inlet section 21, and the other Y-shaped pipe 204 connects the water outlet ends of the first heat exchange pipe 201 and the second heat exchange pipe 202 to the water outlet section 22.
Further, the section of intaking 21 still includes water pump 7, and water pump 7 sets up between the play water end of circulating line 5 and heat transfer section 20, for whole water route provides power, even do not intake through the section of intaking 21 simultaneously, also can realize the inner loop.
Further, the first heating device 3 is arranged between the water pump 7 and the heat exchange section 20, and/or the second heating device 4 is arranged between the water inlet end of the circulation pipeline 5 and the heat exchange section 20.
The water inlet section 21 and the water outlet section 22 are closed, water inside the water heater can be circularly heated through the first heating device 3 and/or the second heating device 4, the heating efficiency is improved, and in addition, dry burning can be prevented because the first flow sensor 61 is arranged.
A water inlet electricity-proof wall 81 is arranged between the water inlet end of the water inlet section 21 and the water outlet end of the circulating pipeline 5, and/or a water outlet electricity-proof wall 82 is arranged between the water outlet end of the water outlet section 22 and the water inlet end of the circulating pipeline 5.
The water inlet electricity-proof wall 81 and the water outlet electricity-proof wall 82 are arranged, so that the electric leakage possibly generated by the electric water heater can be prevented, and the safety threat to a bather caused by the electrification of a ground wire or the electrification of a water pipe can also be prevented.
Further, a second flow sensor 62 is disposed between the water inlet end of the water inlet section 21 and the water outlet end of the circulation pipeline 5.
By providing the second flow sensor 62, it is possible to accurately know whether water is entering.
Further, a safety valve 9 is provided between the second flow sensor 62 and the water outlet end of the circulation line 5. The safety valve 9 has the functions of a check valve and a pressure relief valve, can prevent water entering the electric water heater from flowing backwards and can drain redundant pressure when the pressure of the inner container of the electric water heater is higher, so that the service life of the inner container is ensured and the occurrence of an accident of explosion of the inner container is avoided.
Further, the inner wall of the shell 1 is provided with a heat insulation structure, so that the inner container is more easily insulated.
In the embodiment of the present application, the insulation structure is made of a polyurethane material.
Example three:
the present embodiment provides a control method for a phase change heat storage type water heater, which utilizes the above phase change heat storage type water heater.
The control method comprises the following steps:
s100, opening the check valve 51 in response to the inner loop command. After step S200 and the first time period, it is determined whether water flows in the circulation line 5 according to the first flow sensor 61. If water flow exists, the step S300 is performed to turn on the first heating device 3.
Open the inner loop and induce the back that has flowing water to pass through first flow sensor 61 simultaneously, reuse first heating device 3 and/or second heating device 4 to the circulating water heating, the phase change material of further heating inner bag can prevent dry combustion method phenomenon to take place for follow-up intensification efficiency simultaneously also prevents to heat in advance when going out the hot water mode, prevents to dry combustion method.
In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The detailed description of the embodiments above only expresses several embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A phase change thermal storage water heater, comprising:
the shell (1) is internally provided with an inner container made of phase change materials;
the heat exchange pipeline (2) comprises a water inlet section (21), a water outlet section (22) and a heat exchange section (20) arranged in the liner, wherein the water inlet section (21) is provided with a first heating device (3), and the water outlet section is provided with a second heating device (4); and
the circulating pipeline (5) is communicated with the water inlet section (21) and the water outlet section (22), the circulating pipeline (5) is provided with a one-way valve (51) and a first flow sensor (61), and the conduction direction of the one-way valve (51) is from the water outlet section (22) to the water inlet section (21).
2. The phase change thermal storage water heater according to claim 1, wherein the water inlet section (21) further comprises:
and the water pump (7) is arranged between the water outlet end of the circulating pipeline (5) and the heat exchange section (20).
3. The phase change thermal storage water heater according to claim 2, wherein the first heating device (3) is arranged between the water pump (7) and the heat exchange section (20), and/or the second heating device (4) is arranged between the water inlet end of the circulation line (5) and the heat exchange section (20).
4. The phase-change thermal storage water heater according to claim 1, wherein a water inlet electricity-proof wall (81) is arranged between the water inlet end of the water inlet section (21) and the water outlet end of the circulating pipeline (5), and a water outlet electricity-proof wall (82) is arranged between the water outlet end of the water outlet section (22) and the water inlet end of the circulating pipeline (5).
5. The phase change thermal storage water heater according to claim 1, wherein a second flow sensor (62) is further arranged between the water inlet end of the water inlet section (21) and the water outlet end of the circulation pipeline (5).
6. The phase change thermal storage water heater according to claim 5, wherein a safety valve (9) is provided between the second flow sensor (62) and the water outlet end of the circulation line (5).
7. The phase change thermal storage type water heater according to claim 1, wherein the inner wall of the shell (1) is provided with a heat insulation structure.
8. The phase change thermal storage water heater according to claim 1, wherein the heat exchange section (20) comprises a first water circuit (100) and a second water circuit (200) connected in parallel with each other.
9. The phase change thermal storage water heater according to claim 8, wherein the heat exchange section (20) comprises:
the heat exchanger comprises a first heat exchange tube (201) which is provided with at least two rows, wherein each row of the first heat exchange tube (201) is of a snake-shaped structure;
the second heat exchange tubes (202) are provided with at least two rows, each row of the second heat exchange tubes (202) is of a snake-shaped structure, and the second heat exchange tubes (202) and the first heat exchange tubes (201) are arranged in parallel in a staggered mode;
the first heat exchange tubes (201) are sequentially communicated to form the first water channel (100) through the U-shaped tubes (203), and the second heat exchange tubes (202) are sequentially communicated to form the second water channel (200) through the U-shaped tubes (203); and
and two Y-shaped pipes (204), wherein one Y-shaped pipe (204) connects the water inlet ends of the first heat exchange pipe (201) and the second heat exchange pipe (202) to the water inlet section (21), and the other Y-shaped pipe (204) connects the water outlet ends of the first heat exchange pipe (201) and the second heat exchange pipe (202) to the water outlet section (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122968156.7U CN216522337U (en) | 2021-11-30 | 2021-11-30 | Phase-change heat storage type water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122968156.7U CN216522337U (en) | 2021-11-30 | 2021-11-30 | Phase-change heat storage type water heater |
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| Publication Number | Publication Date |
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| CN216522337U true CN216522337U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122968156.7U Active CN216522337U (en) | 2021-11-30 | 2021-11-30 | Phase-change heat storage type water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119146587A (en) * | 2024-11-18 | 2024-12-17 | 广东万家乐燃气具有限公司 | Energy storage heat exchange electric water heater |
-
2021
- 2021-11-30 CN CN202122968156.7U patent/CN216522337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119146587A (en) * | 2024-11-18 | 2024-12-17 | 广东万家乐燃气具有限公司 | Energy storage heat exchange electric water heater |
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