CN112747459A - Energy-saving water heater - Google Patents
Energy-saving water heater Download PDFInfo
- Publication number
- CN112747459A CN112747459A CN202110124711.XA CN202110124711A CN112747459A CN 112747459 A CN112747459 A CN 112747459A CN 202110124711 A CN202110124711 A CN 202110124711A CN 112747459 A CN112747459 A CN 112747459A
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- Prior art keywords
- heat
- pipe
- heat exchange
- water
- layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 182
- 238000002485 combustion reaction Methods 0.000 claims abstract description 30
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 56
- 239000000945 filler Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000443 aerosol Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Classifications
-
- 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
- F24H1/14—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 by tubes, e.g. bent in serpentine form
- F24H1/16—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 by tubes, e.g. bent in serpentine form helically or spirally coiled
- F24H1/165—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 by tubes, e.g. bent in serpentine form helically or spirally coiled using fluid fuel
-
- 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
-
- 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
- F24H9/02—Casings; Cover lids; Ornamental panels
Landscapes
- 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)
Abstract
The invention provides an energy-saving water heater which comprises a combustion chamber, a water inlet pipe, a water outlet pipe, a heat preservation shell and a water storage part, wherein the combustion chamber and the water storage part are arranged in the heat preservation shell, a combustion cavity is arranged in the combustion chamber, the top of the combustion cavity is provided with a heat exchange mechanism, the heat exchange mechanism comprises a first heat exchange water pipe, a second heat exchange water pipe and a plurality of heat conduction fins, the first heat exchange water pipe is of a spiral tubular structure extending along the horizontal direction, one end of the second heat exchange water pipe is connected with the bottom of the water storage part through the first heat exchange water pipe, the top of the water storage part is connected with the water outlet pipe, and the water storage capacity of the water storage part is not less than 2 times. According to the invention, the water storage part is arranged, so that the water storage capacity of the energy-saving water heater is improved, and the heat loss in the short-term stopping process is reduced.
Description
Technical Field
The invention relates to a water heater, in particular to an energy-saving water heater.
Background
The water heater can provide hot water at any time, is a necessary arrangement for families, and is popularized to thousands of households. The water heaters are classified by heating modes and mainly divided into gas water heaters and electric water heaters. The gas water heater mainly adopts gas heating and heats water in the water pipe through a heat exchange structure to achieve a heating effect. However, a user often needs to close the gas water heater for a short time in the using process and then start the gas water heater (such as wiping shower gel in the bathing process), the gas water heater is mostly placed outdoors, the short-time closing can cause the heat in the water heater to be lost quickly in winter, and the water temperature is suddenly dropped when the user uses the gas water heater again, so that the using experience of the user is influenced.
Disclosure of Invention
The invention provides an energy-saving water heater which is simple in structure and can effectively preserve heat of residual hot water in the water heater to achieve an energy-saving effect.
The invention provides an energy-saving water heater, which comprises a combustion chamber, a water inlet pipe, a water outlet pipe, a heat preservation shell and a water storage part, wherein the combustion chamber and the water storage part are arranged in the heat preservation shell, a combustion cavity is arranged in the combustion chamber, the top of the combustion cavity is provided with a heat exchange mechanism, the heat exchange mechanism comprises a first heat exchange water pipe, a second heat exchange water pipe and a plurality of heat conduction fins, the first heat exchange water pipe is of a spiral tubular structure extending along the horizontal direction, part or all of the second heat exchange water pipe is inserted into the spiral tubular structure of the first heat exchange water pipe, one end of the second heat exchange water pipe is connected with the bottom of the water storage part through the first heat exchange water pipe, the other end of the second heat exchange water pipe is connected with the water inlet pipe, the first heat exchange water pipe is in heat conduction connection with the second heat exchange water pipe inserted into the spiral tubular structure of, the water storage capacity of the water storage part is not less than 2 times of the capacity of the first heat exchange water pipe.
Further, the water storage part comprises a water storage pipe and a heat insulation pipe, the water storage pipe is of a tubular structure, and the water storage pipe is installed in the heat insulation pipe.
Furthermore, the second heat exchange water pipe comprises a U-shaped pipe, the U-shaped pipe is inserted into the spiral tubular structure of the first heat exchange water pipe, the second heat exchange water pipe further comprises a preheating pipe, the preheating pipe is arranged above the spiral tubular structure of the first heat exchange water pipe, and the combustion cavity is provided with a gradually contracted air outlet structure at the position of the preheating pipe.
Further, the heat preservation shell comprises a shell body, a first heat insulation layer, a vacuum layer and a second heat insulation layer, wherein the shell body, the first heat insulation layer, the vacuum layer and the second heat insulation layer are sequentially connected, a vacuum cavity is arranged in the vacuum layer, a fixing rod is arranged on the surface of one side, close to the second heat insulation layer, of the vacuum cavity, heat insulation filler is arranged in the vacuum cavity, and the heat insulation filler is fixedly connected with the vacuum layer through the fixing rod.
Furthermore, the surface of the vacuum cavity close to one side of the first heat insulation layer is provided with an aluminum foil layer.
Furthermore, an infrared reflecting layer is arranged on one side, away from the vacuum layer, of the second heat insulation layer.
Furthermore, a heat insulation support composed of a plurality of rod bodies is further arranged at the joint of the vacuum layer and the second heat insulation layer, and the vacuum layer is connected with the second heat insulation layer through the heat insulation support.
Furthermore, the rod body is made of heat-insulating silica gel.
Furthermore, the first heat insulation layer and the second heat insulation layer are both made of heat insulation cotton.
Still further, the insulating filler is an aerosol sheet.
Compared with the prior art, the water storage device improves the water storage capacity of the energy-saving water heater and reduces the heat loss in the transient stopping process by arranging the water storage part. Meanwhile, the water storage capacity of the water storage part is adjusted to be not less than 2 times of the capacity of the second heat exchange water pipe, so that hot water at the capacity of the second heat exchange water pipe can be subjected to heat exchange at the water storage part, and the temperature difference change of the hot water in the using process is effectively reduced.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a front view of a combustion chamber according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a combustion chamber according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a heat-insulating housing according to an embodiment of the present invention;
FIG. 5 is a schematic view of a vacuum chamber fixing rod according to an embodiment of the present invention;
FIG. 6 is a schematic view of a vacuum layer insulation support according to an embodiment of the present invention;
fig. 7 is a schematic view of a rod structure according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The embodiment of the invention discloses an energy-saving water heater, which comprises a combustion chamber 1, a water inlet pipe 2, a water outlet pipe 3, a heat preservation shell 4 and a water storage part 5, wherein the combustion chamber 1 and the water storage part 5 are arranged in the heat preservation shell 4, a combustion chamber 11 is arranged in the combustion chamber 1, a heat exchange mechanism 12 is arranged at the top of the combustion chamber 11, the heat exchange mechanism 12 comprises a first heat exchange water pipe 121, a second heat exchange water pipe 122 and a plurality of heat conduction fins 123, the first heat exchange water pipe 121 is of a spiral tubular structure extending along the horizontal direction, part or all of the second heat exchange water pipe 122 is inserted into the spiral tubular structure of the first heat exchange water pipe 121, one end of the second heat exchange water pipe 122 is connected with the bottom of the water storage part 5 through the first heat exchange water pipe 121, the other end of the second heat exchange water pipe 122 is connected with the water inlet pipe 2, the first heat exchange water pipe 121 is connected with the second heat exchange water pipe 122 inserted into the spiral tubular structure through the heat conduction The top of the water storage part 5 is connected with the water outlet pipe 3, and the water storage capacity of the water storage part 5 is not less than 2 times of the capacity of the first heat exchange water pipe 121.
Wherein, water storage spare 5 includes the standpipe, separates the warm tube, the standpipe is the tubular structure, the standpipe is installed in separating the warm tube, separates the warm tube and can select for aerosol pipe. As shown in fig. 1 to 3, the spiral tubular structure of the first heat exchange water pipe 121 is a spring tubular structure, and the second heat exchange water pipe 122 is at least partially inserted into the spiral tubular structure of the first heat exchange water pipe 121. The first heat exchange water pipe 121, the second heat exchange water pipe 122 and the heat conduction fins 123 are all made of brass.
In the combustion process, heat directly contacts with the spiral tubular structure of the first heat exchange water pipe 121 to heat, and the second heat exchange water pipe 122 exchanges heat with the first heat exchange water pipe 121 through the heat conduction fins 123, so that a high heat exchange rate is ensured between the second heat exchange water pipe 122 and the first heat exchange water pipe 121.
According to the embodiment of the invention, the water storage part is arranged, so that the water storage capacity of the energy-saving water heater is improved, and the heat loss in the transient stopping process is reduced. Meanwhile, the water storage capacity of the water storage part is adjusted to be not less than 2 times of the capacity of the second heat exchange water pipe, so that hot water at the capacity of the second heat exchange water pipe can be further subjected to heat exchange in the water storage part, and the temperature difference change of the hot water in the using process is effectively reduced. In addition, the first heat exchange water pipe is arranged to be of the spiral tubular structure extending along the horizontal direction, so that hot water in the first heat exchange water pipe can perform sufficient heat exchange with the second heat exchange water pipe before flowing out, the heat exchange efficiency is improved, the temperature of water flowing out of the water heater is stable and balanced, and the condition that the water temperature is uneven is avoided. Meanwhile, the embodiment of the invention utilizes the spiral tubular structure to increase the contact area of the first heat exchange water pipe and the second heat exchange water pipe in a limited space, thereby increasing the heat exchange rate.
Optionally, as shown in fig. 1 to 3, the second heat exchange water pipe 122 includes a U-shaped pipe 1221, and the U-shaped pipe 1221 is inserted into the spiral tubular structure of the first heat exchange water pipe 121.
According to the embodiment of the invention, the U-shaped pipe is arranged, so that the heat exchange area between the second heat exchange water pipe and the first heat exchange water pipe is increased, the heat exchange rate is further increased, and the stability of water temperature is further increased.
In particular, as shown in fig. 1 to 3, the second heat exchange water pipe 122 further includes a preheating pipe 1222, the preheating pipe 1222 is disposed above the spiral tubular structure of the first heat exchange water pipe 121, and the combustion chamber 11 is provided with a gradually shrinking air outlet structure 13 at the preheating pipe 1222.
As shown in fig. 1-3, the preheating pipe 1222 is further provided with a plurality of preheating pipe fins 1223, and the preheating pipe fins 1223 are respectively provided in two groups, as shown in fig. 3, the tops of the preheating pipe fins 1223 in each group are inclined in opposite directions to form a structure in a shape of a Chinese character "eight".
According to the embodiment of the invention, the preheating pipe is arranged, so that the water in the water inlet pipe can be preheated by using the combusted waste gas, and the water temperature of the inlet water is improved. Meanwhile, the embodiment of the invention adopts the gas outlet structure with the gradually contracted top, so that the exhaust difficulty of the combustion waste gas is increased, the pressure in the combustion chamber is increased, and the heat release characteristic of the gas in a high-pressure state is utilized to be matched with the fins of the preheating pipe, thereby effectively promoting the heat exchange of the combusted waste gas and improving the heat utilization rate.
Optionally, as shown in fig. 4-5, the heat-insulating housing 4 includes a housing 41, a first heat-insulating layer 42, a vacuum layer 43, and a second heat-insulating layer 44, the housing 41, the first heat-insulating layer 42, the vacuum layer 43, and the second heat-insulating layer 44 are sequentially connected, a vacuum cavity 431 is disposed in the vacuum layer 43, a fixing rod 432 is disposed on a surface of the vacuum cavity 431, which is close to one side of the second heat-insulating layer 44, a heat-insulating filler 433 is disposed in the vacuum cavity 431, and the heat-insulating filler 433 is fixedly connected to the vacuum layer 43 through the fixing rod.
As shown in fig. 4-5, the shell 1 is a metal plate, the first and second heat insulating layers 42 and 44 are both made of heat insulating cotton, and the heat insulating filler 433 is an aerosol plate. The vacuum layer 43 is a thermally insulated vacuum plate structure. The fixing rod 432 is made of heat-insulating silica gel.
In use, the second insulating layer 44 faces the combustion chamber 1, and a heat preservation effect on the combustion chamber 1 is achieved.
According to the embodiment of the invention, the vacuum layer is adopted, and the first heat insulation layer and the second heat insulation layer are matched to form the multi-layer heat insulation structure, so that heat loss in the heating process of the water heater can be effectively reduced, and the heat insulation effect is improved. Meanwhile, the embodiment of the invention adopts the heat insulation filler, so that when the airtightness of the vacuum layer is reduced, good heat insulation can be provided, and a good heat insulation effect is achieved.
Optionally, as shown in fig. 4-5, the surface of the vacuum chamber 431 near the first thermal insulation layer 42 is provided with an aluminum foil layer 434.
In the embodiment of the present invention, the aluminum foil layer 434 is disposed in the vacuum chamber 431, so that the vacuum chamber has an infrared reflection function, and when the vacuum layer is damaged, the thermal conductivity can be reduced, thereby achieving a good thermal insulation effect.
Optionally, as shown in fig. 4-5, an infrared reflective layer 441 is further disposed on a side of the second thermal insulation layer 44 away from the vacuum layer 43.
The infrared reflective layer 441 may be an aluminum foil structure or a silver-plated structure.
According to the embodiment of the invention, the infrared reflecting layer is arranged on the surface of the second heat insulation layer, so that infrared rays generated by the gas water heater during working can be reflected, the heat conduction efficiency is reduced, and the heat insulation effect is improved.
Specifically, as shown in fig. 6, a heat insulation support 435 composed of a plurality of rod bodies 4351 is further disposed at a joint of the vacuum layer 431 and the second heat insulation layer 44, and the vacuum layer 43 is connected to the second heat insulation layer 44 through the heat insulation support 4351.
As shown in fig. 6, the rods 4351 are arranged at equal intervals to form a heat insulation bracket 435 for fixedly supporting the second heat insulation layer 44, and an air gap is formed between the vacuum layer 431 and the second heat insulation layer 44.
According to the embodiment of the invention, the heat insulation support is adopted, so that the air layer is arranged between the vacuum layer and the second heat insulation layer, the large-area direct contact between the vacuum layer and the second heat insulation layer is avoided, the direct heat conduction between the vacuum layer and the second heat insulation layer is reduced, and the heat insulation effect is improved.
Particularly, the rod 4351 is made of a heat-insulating silica gel material.
As shown in fig. 7, the rod 4351 is a cylindrical structure, one end of the rod 4351 is fixed on the vacuum layer, and the other end of the rod 4351 is provided with a hook-needle structure, so that the second thermal insulation layer 44 is pressed on the thermal insulation bracket 435 during installation, and the hook-needle structure of the rod 4351 is entangled with the fibers of the second thermal insulation layer 44, thereby achieving the fixing effect.
Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the modifications and equivalents of the specific embodiments of the present invention can be made by those skilled in the art after reading the present specification, but these modifications and variations do not depart from the scope of the claims of the present application.
Claims (10)
1. An energy-saving water heater is characterized by comprising a combustion chamber, a water inlet pipe, a water outlet pipe, a heat preservation shell and a water storage part, wherein the combustion chamber and the water storage part are arranged in the heat preservation shell, a combustion chamber is arranged in the combustion chamber, the top of the combustion chamber is provided with a heat exchange mechanism, the heat exchange mechanism comprises a first heat exchange water pipe, a second heat exchange water pipe and a plurality of heat conduction fins, the first heat exchange water pipe is of a spiral tubular structure extending along the horizontal direction, part or all of the second heat exchange water pipe is inserted into the spiral tubular structure of the first heat exchange water pipe, one end of the second heat exchange water pipe is connected with the bottom of the water storage part through the first heat exchange water pipe, the other end of the second heat exchange water pipe is connected with the water inlet pipe, the first heat exchange water pipe is connected with the second heat exchange water pipe inserted into the spiral tubular structure of, the top of the water storage part is connected with the water outlet pipe, and the water storage capacity of the water storage part is not less than 2 times of the capacity of the first heat exchange water pipe.
2. The energy-saving water heater according to claim 1, wherein the water storage member comprises a water storage pipe and a thermal insulation pipe, the water storage pipe is of a tubular structure, and the water storage pipe is installed in the thermal insulation pipe.
3. The energy-saving water heater according to claim 1, wherein the second heat exchange water pipe comprises a U-shaped pipe, the U-shaped pipe is inserted into the spiral tubular structure of the first heat exchange water pipe, the second heat exchange water pipe further comprises a preheating pipe, the preheating pipe is arranged above the spiral tubular structure of the first heat exchange water pipe, and the combustion chamber is provided with a gradually shrinking air outlet structure at the preheating pipe.
4. The energy-saving water heater according to claim 1, wherein the heat-insulating casing comprises a casing, a first heat-insulating layer, a vacuum layer and a second heat-insulating layer, the casing, the first heat-insulating layer, the vacuum layer and the second heat-insulating layer are sequentially connected, a vacuum cavity is arranged in the vacuum layer, a fixing rod is arranged on the surface of one side, close to the second heat-insulating layer, of the vacuum cavity, heat-insulating filler is arranged in the vacuum cavity, and the heat-insulating filler is fixedly connected with the vacuum layer through the fixing rod.
5. The energy-saving water heater according to claim 4, wherein the surface of the vacuum chamber on the side close to the first thermal insulation layer is provided with an aluminum foil layer.
6. The energy-saving water heater according to claim 4, wherein an infrared reflecting layer is further arranged on one side of the second heat insulation layer away from the vacuum layer.
7. The energy-saving water heater according to claim 6, wherein a heat insulation support composed of a plurality of rod bodies is further arranged at the joint of the vacuum layer and the second heat insulation layer, and the vacuum layer is connected with the second heat insulation layer through the heat insulation support.
8. The energy-saving water heater according to claim 7, wherein the rod body is made of heat-insulating silica gel.
9. The energy-saving water heater according to claim 4, wherein the first and second heat insulation layers are both heat insulation cotton.
10. The energy saving water heater of claim 4, wherein the heat insulating filler is an aerosol plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124711.XA CN112747459A (en) | 2021-01-29 | 2021-01-29 | Energy-saving water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124711.XA CN112747459A (en) | 2021-01-29 | 2021-01-29 | Energy-saving water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112747459A true CN112747459A (en) | 2021-05-04 |
Family
ID=75653372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110124711.XA Pending CN112747459A (en) | 2021-01-29 | 2021-01-29 | Energy-saving water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112747459A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2239007Y (en) * | 1995-05-11 | 1996-10-30 | 董书彬 | Quick heating water heater with radiator for household |
| CN2416421Y (en) * | 2000-05-08 | 2001-01-24 | 张新民 | Air heating water heater |
| US20040234918A1 (en) * | 2003-05-22 | 2004-11-25 | Velke William H. | Combination of devices operational to increase the efficiency of storage tank or flow-through type waterheaters and hydronic boilers |
| CN201093753Y (en) * | 2007-09-29 | 2008-07-30 | 郑发忠 | Low energy consumption and high heat cold heat converter |
| CN105650855A (en) * | 2016-03-26 | 2016-06-08 | 广东万家乐燃气具有限公司 | Gas water heater with reservation function and control method thereof |
| CN207049888U (en) * | 2017-07-07 | 2018-02-27 | 河南永兴锅炉集团有限公司 | Integral condensing steam boiler |
| CN207945693U (en) * | 2018-03-20 | 2018-10-09 | 曾泽康 | A kind of condensing exchanger exhaust pipe for gas heater |
| US20190011150A1 (en) * | 2016-04-01 | 2019-01-10 | Xi'an Jiaotong University | Heat exchanger |
| CN208519972U (en) * | 2018-05-23 | 2019-02-19 | 深圳通利机电工程有限公司 | A kind of gas heater |
-
2021
- 2021-01-29 CN CN202110124711.XA patent/CN112747459A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2239007Y (en) * | 1995-05-11 | 1996-10-30 | 董书彬 | Quick heating water heater with radiator for household |
| CN2416421Y (en) * | 2000-05-08 | 2001-01-24 | 张新民 | Air heating water heater |
| US20040234918A1 (en) * | 2003-05-22 | 2004-11-25 | Velke William H. | Combination of devices operational to increase the efficiency of storage tank or flow-through type waterheaters and hydronic boilers |
| CN201093753Y (en) * | 2007-09-29 | 2008-07-30 | 郑发忠 | Low energy consumption and high heat cold heat converter |
| CN105650855A (en) * | 2016-03-26 | 2016-06-08 | 广东万家乐燃气具有限公司 | Gas water heater with reservation function and control method thereof |
| US20190011150A1 (en) * | 2016-04-01 | 2019-01-10 | Xi'an Jiaotong University | Heat exchanger |
| CN207049888U (en) * | 2017-07-07 | 2018-02-27 | 河南永兴锅炉集团有限公司 | Integral condensing steam boiler |
| CN207945693U (en) * | 2018-03-20 | 2018-10-09 | 曾泽康 | A kind of condensing exchanger exhaust pipe for gas heater |
| CN208519972U (en) * | 2018-05-23 | 2019-02-19 | 深圳通利机电工程有限公司 | A kind of gas heater |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210504 |