CN112577198B - Burner assembly, heat exchanger assembly and hot water equipment - Google Patents
Burner assembly, heat exchanger assembly and hot water equipment Download PDFInfo
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- CN112577198B CN112577198B CN201910945639.XA CN201910945639A CN112577198B CN 112577198 B CN112577198 B CN 112577198B CN 201910945639 A CN201910945639 A CN 201910945639A CN 112577198 B CN112577198 B CN 112577198B
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- combustion chamber
- shell
- inner combustion
- heat exchanger
- outer housing
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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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means 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
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention discloses a burner assembly, a heat exchanger assembly and a water heating apparatus, the water heating apparatus comprising: a housing; the outer cover shell is arranged in the shell, and the shape of the outer cover shell is matched with that of the shell; the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing; the combustor is arranged in the shell and is communicated with the inner combustion chamber; the heat exchanger is arranged in the outer housing shell, and the shape of the heat exchanger is matched with that of the outer housing shell. The water heating equipment provided by the embodiment of the invention has the advantages of convenience in processing, high internal structure generalization rate and the like.
Description
Technical Field
The invention relates to the technical field of electric appliance manufacturing, in particular to a burner assembly for a hot water device, a heat exchanger assembly for the hot water device and the hot water device.
Background
In related art water heating apparatuses, such as gas water heaters, gas water heaters of different power types have different sizes of many internal parts. For example, as the power of the gas water heater is increased, the sizes of internal parts of the gas water heater are correspondingly increased, so that the volume of the whole gas water heater is also correspondingly increased. Therefore, when the gas water heaters with different power types are produced, a large number of parts need to be manufactured by respectively and independently opening the molds, and the production cost and the production efficiency of the gas water heaters are influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the water heating equipment which has the advantages of convenience in processing, high internal structure generalization rate and the like.
The invention also provides a burner assembly for the water heating device.
The invention also provides a heat exchanger assembly for the hot water equipment.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a hot water apparatus including: a housing; the outer cover shell is arranged in the shell, and the shape of the outer cover shell is matched with that of the shell; the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing; the combustor is arranged in the shell and is communicated with the inner combustion chamber; the heat exchanger is arranged in the outer housing shell, and the shape of the heat exchanger is matched with that of the outer housing shell.
The hot water equipment provided by the embodiment of the invention has the advantages of convenience in processing, high internal structure generalization rate and the like.
In addition, the hot water apparatus according to the above embodiment of the present invention may further have the following additional technical features:
according to some embodiments of the invention, at least a portion of the housing is cylindrical and at least a portion of the outer casing is cylindrical.
According to some embodiments of the invention, the inner combustion chamber is cylindrical with two open ends, and a central axis of the inner combustion chamber coincides with a central axis of the outer casing.
According to some embodiments of the invention, the burner is located in a lower portion of the inner combustion chamber and the heat exchanger is located in an upper portion of the inner combustion chamber.
According to some embodiments of the invention, one end of the inner combustion chamber is located inside the outer casing and the other end is located inside or flush with the outer casing in the vertical direction.
According to some embodiments of the invention, the water heating apparatus further comprises connection portions connected to an outer wall surface of the inner combustion chamber and an inner wall surface of the outer jacket, respectively.
According to some embodiments of the invention, the connecting portion is annular, the outer edge of the annulus being connected to the outer casing and the inner edge of the annulus being connected to the inner combustion chamber.
According to some embodiments of the invention, the connection portion has a cooling hole penetrating therethrough in a thickness direction of the connection portion.
According to some embodiments of the invention, the cooling hole is plural and provided at intervals in a circumferential direction of the connection portion.
According to some embodiments of the invention, said outer casing has a cylindrical section adapted to house said inner combustion chamber and said heat exchanger, said cylindrical section having a height H in the vertical direction, said inner combustion chamber having a height D in the vertical direction, and said heat exchanger having a height E in the vertical direction, then: h is greater than or equal to the sum of D and E.
According to some embodiments of the invention, the water heating apparatus further comprises a fan assembly disposed within the housing, the outer shell further comprises a tapered section, a first end of the tapered section is connected to the straight section, a second end of the tapered section is in communication with the fan assembly, and an inner diameter of the tapered section decreases from the first end to the second end.
According to some embodiments of the invention, the heat exchanger includes a heat exchange tube extending spirally, a spiral radius of the heat exchange tube being constant in an axial direction of the housing.
An embodiment according to a second aspect of the invention proposes a burner assembly for a hot water appliance, comprising: the outer cover shell is arranged in the shell of the hot water equipment, and the shape of the outer cover shell is matched with that of the shell; the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing; the combustor is arranged in the shell and communicated with the inner combustion chamber.
The burner assembly for the hot water equipment provided by the embodiment of the invention has the advantages of high combustion efficiency, good hot water preparation effect and the like.
An embodiment according to a third aspect of the invention proposes a heat exchanger assembly for a hot water appliance, the heat exchanger assembly comprising: the outer cover shell is arranged in the shell of the hot water equipment, and the shape of the outer cover shell is matched with that of the shell; the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing; the heat exchanger is arranged in the outer housing shell, and the shape of the heat exchanger is matched with that of the outer housing shell.
The heat exchanger assembly for the hot water equipment has the advantages of high heat exchange efficiency, good hot water preparation effect and the like.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a partial structural schematic view of a hot water apparatus according to an embodiment of the present invention.
Fig. 2 is a sectional view of a hot water apparatus according to an embodiment of the present invention.
Fig. 3 is a sectional view of a hot water apparatus according to another embodiment of the present invention.
Fig. 4 is a partial structural schematic view of a hot water apparatus according to an embodiment of the present invention.
Fig. 5 is a partial sectional view of a hot water apparatus according to an embodiment of the present invention.
Reference numerals: the water heating device 1, the shell 100, the outer casing 200, the straight cylinder section 210, the tapered section 220, the inner combustion chamber 300, the burner 400, the heat exchanger 500, the heat exchange pipe 510, the connecting part 600, the cooling hole 610 and the fan assembly 700.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A hot water apparatus 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, a water heating apparatus 1 according to an embodiment of the present invention includes a housing 100, an outer casing 200, an inner combustion chamber 300, a burner 400, and a heat exchanger 500.
The outer casing 200 is provided in the housing 100, and the shape of the outer casing 200 is adapted to the shape of the housing 100. The inner combustion chamber 300 is provided inside the outer casing 200, and the shape of the inner combustion chamber 300 is adapted to the shape of the outer casing 200. A burner 400 is provided in the housing 100, and the burner 400 communicates with the inner combustion chamber 300. The heat exchanger 500 is provided in the outer casing 200, and the shape of the heat exchanger 500 is adapted to the shape of the outer casing 200.
According to the water heating equipment 1 provided by the embodiment of the invention, the inner combustion chamber 300 and the heat exchanger 500 are respectively arranged on the inner side of the outer housing 200 by arranging the outer housing 200, so that the formation of an air flow channel in the water heating equipment 1 is facilitated, the normal combustion of gas is facilitated, the combustion efficiency of the gas is improved, the full heat exchange between the flue gas generated after the gas is combusted and the heat exchanger 500 is facilitated, the heat exchange efficiency of the heat exchanger 500 is improved, and the performance of the water heating equipment 1 for preparing hot water is improved.
Further, by providing the inner combustion chamber 300 inside the outer housing 200, the high temperature of the inner combustion chamber 300 during operation can be isolated by the air layer between the outer housing 200 and the inner combustion chamber 300, thereby preventing the high temperature of the inner combustion chamber 300 from being transmitted to other components in the water heating apparatus 1 to affect the usability of the water heating apparatus 1, and preventing the high temperature of the inner combustion chamber 300 from being transmitted to the housing 100 to affect the use of the user, or even posing a threat to the safety of the user.
In addition, by providing the inner combustion chamber 300 and the heat exchanger 500 inside the outer housing 200, respectively, the rated power of the water heating apparatus 1 can be changed by changing the heights of the inner combustion chamber 300 and the heat exchanger 500 accordingly, and the overall volume and internal parts of the water heating apparatus 1 can be prevented from being changed compared to those of the related art.
For example, when it is required to produce a water heating apparatus 1 of a smaller power, the height of the inner combustion chamber 300 may be increased and the height of the heat exchanger 500 may be reduced accordingly, and when it is required to produce a water heating apparatus of a larger power, the height of the inner combustion chamber 300 may be reduced and the height of the heat exchanger 500 may be increased accordingly.
Like this when the hot-water apparatus 1 of different power types of production, can reduce the demand of the independent die sinking of spare part, be convenient for improve the universalization rate of the inner structure of hot-water apparatus 1, simplify the production process of hot-water apparatus 1, reduce the manufacturing cost of hot-water apparatus 1, improve the production efficiency of hot-water apparatus 1, the production and processing of the hot-water apparatus 1 of being convenient for improves the production convenience of hot-water apparatus 1.
Therefore, the hot water apparatus 1 according to the embodiment of the present invention has the advantages of convenient processing, high generalization rate of internal structure, etc.
A hot water apparatus 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1 to 5, a water heating apparatus 1 according to an embodiment of the present invention includes a housing 100, an outer casing 200, an inner combustion chamber 300, a burner 400, and a heat exchanger 500.
In some embodiments of the invention, at least a portion of the housing 100 is cylindrical and at least a portion of the outer casing 200 is cylindrical. Therefore, the shape of the shell 100 and the shape of the outer housing shell 200 are matched conveniently, the hot water device 1 is convenient to form, a plurality of dead angles and unsmooth flowing areas of an airflow channel in the hot water device 1 can be avoided, flowing resistance of airflow is reduced, gas is combusted fully, combustion efficiency of the gas is improved, hot water preparation efficiency and working reliability of the hot water device 1 are improved, and using comfort of a user is improved.
Specifically, the inner combustion chamber 300 has a cylindrical shape with both ends open, and the central axis of the inner combustion chamber 300 coincides with the central axis of the outer casing 200. Therefore, the assembly of the inner combustion chamber 300 and the outer housing 200 is facilitated, the assembly efficiency of the water heating equipment 1 is improved, the structure of the water heating equipment 1 can be neat and compact, and the installation and the arrangement of other parts in the water heating equipment 1 are facilitated.
Alternatively, as shown in fig. 2, the burner 400 is located at a lower portion of the inner combustion chamber 300 (the up-down direction is shown by arrow a in fig. 1), and the heat exchanger 500 is located at an upper portion of the inner combustion chamber 300. The gas of being convenient for like this smoothly burns in internal combustion chamber 300, improves the combustion effect of gas, is convenient for simultaneously give heat exchanger 500 with the heat transfer that the gas burning produced, heats the cold water in the heat exchanger 500, and the hot water heating equipment 1 of being convenient for prepares hot water.
In some embodiments of the present invention, as shown in fig. 2, one end of the inner combustion chamber 300 is located inside the outer casing 200 in a vertical direction, and the other end is located inside the outer casing 200 or is flush with the outer casing 200. This is convenient for completely shielding the inner combustion chamber 300 by the outer casing 200, so that an air layer is formed between the inner combustion chamber 300 and the outer casing 200, the inner combustion chamber 300 is conveniently isolated, and the inner combustion chamber 300 is prevented from conducting excessive heat outwards.
Specifically, as shown in fig. 2, the water heating apparatus 1 further includes a connection portion 600, and the connection portion 600 is connected to an outer wall surface of the inner combustion chamber 300 and an inner wall surface of the outer housing 200, respectively. Thus, the inner combustion chamber 300 and the outer housing 200 can be connected by the connecting portion 600, which not only facilitates the improvement of the structural strength of the water heating apparatus 1, but also further facilitates the heat insulation effect of the inner combustion chamber 300.
More specifically, the coupling portion 600 has a ring shape, an outer edge of which is coupled to the outer housing 200, and an inner edge of which is coupled to the inner combustion chamber 300. Thus, the inner combustion chamber 300 and the outer housing 200 can be connected by the annular connecting part 600, the stress of the inner combustion chamber 300 and the stress of the outer housing 200 can be more uniform, the structural stability of the water heating equipment 1 can be improved, and the heat insulation effect on the inner combustion chamber 300 can be improved.
Alternatively, as shown in fig. 3, the connection portion 600 has a cooling hole 610, and the cooling hole 610 penetrates the connection portion 600 in the thickness direction of the connection portion 600. Therefore, in the working process of the water heating equipment 1, gas can flow through the gap between the inner combustion chamber 300 and the outer housing 200 through the cooling hole 610, so that the inner combustion chamber 300 and the outer housing 200 with higher temperature can be cooled conveniently, the cooling effect on the inner combustion chamber 300 and the outer housing 200 can be improved conveniently, and the working stability and the reliability of the water heating equipment 1 can be further improved.
Further, as shown in fig. 5, the cooling hole 610 is plural and provided at intervals in the circumferential direction of the connection portion 600. This facilitates to improve the cooling effect of the cooling hole 610, to improve the cooling uniformity of the inner combustion chamber 300 and the outer shroud 200, and to avoid the occurrence of the local overheating.
Specifically, the plurality of cooling holes 610 may be disposed at equal intervals in the circumferential direction of the connection portion 600.
In some embodiments of the present invention, as shown in fig. 2, the outer shell 200 has a straight cylindrical section 210 adapted to accommodate the inner combustion chamber 300 and the heat exchanger 500, and the height of the straight cylindrical section 210 in the vertical direction is H, the height of the inner combustion chamber 300 in the vertical direction is D, and the height of the heat exchanger 500 in the vertical direction is E, then: h is greater than or equal to the sum of D and E. Therefore, the installation and the arrangement of the inner combustion chamber 300 and the heat exchanger 500 are convenient, and under the condition that the sum of the height of the inner combustion chamber 300 and the height of the heat exchanger 500 is not changed, the water heating equipment 1 with different power types can be obtained by correspondingly changing the heights of the inner combustion chamber 300 and the heat exchanger 500, the generalization rate of parts of the water heating equipment 1 is improved, the production efficiency of the water heating equipment 1 is improved, and the production cost of the water heating equipment 1 is reduced.
Specifically, as shown in fig. 2, the water heating apparatus 1 further includes a fan assembly 700, the fan assembly 700 is disposed in the housing 100, the outer casing 200 further includes a tapered section 220, a first end of the tapered section 220 is connected to the straight section 210, a second end of the tapered section 220 is communicated with the fan assembly 700, and an inner diameter of the tapered section 220 is gradually reduced from the first end to the second end. This can provide the driving force for the flow of the smoke by the fan assembly 700, and at the same time, the smoke in the outer housing 200 is guided by the tapered section 220, which facilitates the smooth flow and discharge of the smoke in the water heating apparatus 1.
Alternatively, as shown in fig. 3, the heat exchanger 500 includes a heat exchange tube 510, the heat exchange tube 510 extending spirally, and a spiral radius of the heat exchange tube 510 in the axial direction of the casing 100 is kept constant. This facilitates the shape of the heat exchanger 500 to be adapted to the shape of the outer casing 200, and at the same time facilitates the increase of the contact area between the flue gas and the heat exchanger 500, so that the heat released by the combustion of the fuel gas can better heat the cold water in the heat exchange pipe 510.
Further, the heat exchanger 500 further includes a plurality of fins surrounding the outside of the heat exchange tube 510 and connected to the outer surface of the heat exchange tube 510, and the fins are spaced apart along the axis of the heat exchange tube 510. Therefore, the contact area between the flue gas and the heat exchanger 500 is further increased, the heat in the flue gas can be conducted to the heat exchange tube 510 by utilizing the fins, the heat exchange efficiency of the heat exchanger 500 is improved, and the hot water preparation capacity of the hot water equipment 1 is improved.
According to one embodiment of the present invention, the water heating apparatus 1 includes a housing 100, an outer casing 200, an inner combustion chamber 300, a burner 400, a heat exchanger 500, and a fan assembly 700. The outer casing 200 is provided in the housing 100, and the shape of the outer casing 200 is adapted to the shape of the housing 100. The inner combustion chamber 300 is provided inside the outer casing 200, and the shape of the inner combustion chamber 300 is adapted to the shape of the outer casing 200. A burner 400 is provided in the housing 100, and the burner 400 communicates with the inner combustion chamber 300. The heat exchanger 500 is provided in the outer casing 200, and the shape of the heat exchanger 500 is adapted to the shape of the outer casing 200.
Specifically, at least a part of the housing 100 is cylindrical, and at least a part of the outer casing 200 is cylindrical. The inner combustion chamber 300 has a cylindrical shape with both ends open, and the center axis of the inner combustion chamber 300 coincides with the center axis of the outer casing 200. The burner 400 is located at a lower portion of the inner combustion chamber 300, and the heat exchanger 500 is located at an upper portion of the inner combustion chamber 300. The fan assembly 700 is disposed within the housing 100 above the heat exchanger 500.
One end of the inner combustion chamber 300 is located inside the outer closure 200 in the vertical direction, and the other end is located inside the outer closure 200 or is flush with the outer closure 200. The water heating apparatus 1 further includes a connection portion 600, and the connection portion 600 is connected to the outer wall surface of the inner combustion chamber 300 and the inner wall surface of the outer jacket 200, respectively. The outer edge of the ring shape is connected to the outer shroud shell 200, and the inner edge of the ring shape is connected to the inner combustion chamber 300. The connection 600 has a cooling hole 610, and the cooling hole 610 penetrates the connection 600 in the thickness direction of the connection 600. The cooling holes 610 are plural and arranged at intervals in the circumferential direction of the connection portion 600.
The outer shell 200 has a straight cylindrical section 210 adapted to accommodate the inner combustion chamber 300 and the heat exchanger 500, the height of the straight cylindrical section 210 in the vertical direction being H, the height of the inner combustion chamber 300 in the vertical direction being D, and the height of the heat exchanger 500 in the vertical direction being E, then: h is greater than or equal to the sum of D and E. The outer casing 200 further comprises a tapered section 220, a first end of the tapered section 220 is connected to the straight section 210, a second end of the tapered section 220 is communicated with the blower assembly 700, and an inner diameter of the tapered section 220 is gradually reduced from the first end to the second end.
The heat exchanger 500 includes a heat exchange tube 510, the heat exchange tube 510 extending spirally, a spiral radius of the heat exchange tube 510 remaining constant in an axial direction of the case 100. The heat exchanger 500 further includes a plurality of fins which surround the outside of the heat exchange tube 510 and are connected to the outer surface of the heat exchange tube 510, and which are arranged at intervals along the axis of the heat exchange tube 510.
The water heating equipment 1 further comprises a water path system and an air path system, wherein the water path system comprises a water inlet pipe and a water outlet pipe, the water inlet pipe is communicated with the water outlet pipe respectively through the heat exchanger 500, the air path system comprises an air inlet pipe, and the air inlet pipe is connected with a gas proportional valve to control the air inflow of gas.
A burner assembly for a hot water appliance according to an embodiment of the present invention is described below. A burner assembly according to an embodiment of the invention comprises: the outer cover shell is arranged in the shell of the hot water equipment, and the shape of the outer cover shell is matched with that of the shell; the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing; the combustor is arranged in the shell and communicated with the inner combustion chamber.
The burner assembly for the hot water equipment provided by the embodiment of the invention has the advantages of high combustion efficiency, good hot water preparation effect and the like.
A heat exchanger assembly for a hot water appliance according to an embodiment of the present invention is described below. A heat exchanger assembly according to an embodiment of the present invention includes: the outer cover shell is arranged in the shell of the hot water equipment, and the shape of the outer cover shell is matched with that of the shell; the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing; the heat exchanger is arranged in the outer housing shell, and the shape of the heat exchanger is matched with that of the outer housing shell.
The heat exchanger assembly for the hot water equipment has the advantages of high heat exchange efficiency, good hot water preparation effect and the like.
Other constructions and operations of the water heating apparatus 1 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description of the present invention, it should 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. A water heating apparatus, comprising:
a housing;
the outer cover shell is arranged in the shell, and the shape of the outer cover shell is matched with that of the shell;
the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing;
the combustor is arranged in the shell and is communicated with the inner combustion chamber;
the heat exchanger is arranged in the outer shell, and the shape of the heat exchanger is matched with that of the outer shell;
one end of the inner combustion chamber is positioned in the outer housing shell in the vertical direction, and the other end of the inner combustion chamber is positioned in the outer housing shell or is flush with the outer housing shell.
2. The water heater according to claim 1, wherein at least a portion of the housing is cylindrical and at least a portion of the outer jacket is cylindrical.
3. The water heating apparatus according to claim 2, wherein the inner combustion chamber is cylindrical with both ends open, and a central axis of the inner combustion chamber coincides with a central axis of the outer casing.
4. The water heating apparatus according to claim 1, wherein the burner is located in a lower portion of the inner combustion chamber and the heat exchanger is located in an upper portion of the inner combustion chamber.
5. The water heating apparatus according to claim 1, further comprising connection portions connected to an outer wall surface of the inner combustion chamber and an inner wall surface of the outer jacket, respectively.
6. The water heating apparatus according to claim 5, wherein the connecting portion is annular, and an outer edge of the annular shape is connected to the outer casing and an inner edge of the annular shape is connected to the inner combustion chamber.
7. The water heating apparatus according to claim 5, wherein the connection part has a cooling hole penetrating therethrough in a thickness direction of the connection part.
8. The water heating apparatus according to claim 7, wherein the cooling hole is plural and provided at intervals in a circumferential direction of the connection portion.
9. The water heating apparatus according to claim 1, wherein the outer shell has a cylindrical section adapted to accommodate the inner combustion chamber and the heat exchanger, the cylindrical section having a height H in a vertical direction, the inner combustion chamber having a height D in a vertical direction, and the heat exchanger having a height E in a vertical direction, such that: h is greater than or equal to the sum of D and E.
10. The water heater according to claim 9, further comprising a fan assembly disposed within the housing, the outer jacket shell further comprising a tapered section having a first end connected to the straight section and a second end in communication with the fan assembly, the tapered section having an inner diameter that decreases from the first end to the second end.
11. The water heating apparatus according to claim 1, wherein the heat exchanger includes a heat exchange tube extending spirally, a spiral radius of the heat exchange tube being constant in an axial direction of the housing.
12. A burner assembly for a water heating appliance, the burner assembly comprising:
the outer cover shell is arranged in the shell of the hot water equipment, and the shape of the outer cover shell is matched with that of the shell;
the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing;
the combustor is arranged in the shell and is communicated with the inner combustion chamber;
one end of the inner combustion chamber is positioned in the outer housing shell in the vertical direction, and the other end of the inner combustion chamber is positioned in the outer housing shell or is flush with the outer housing shell.
13. A heat exchanger assembly for a hot water appliance, the heat exchanger assembly comprising:
the outer cover shell is arranged in the shell of the hot water equipment, and the shape of the outer cover shell is matched with that of the shell;
the inner combustion chamber is arranged on the inner side of the outer housing, and the shape of the inner combustion chamber is matched with that of the outer housing;
the heat exchanger is arranged in the outer shell, and the shape of the heat exchanger is matched with that of the outer shell;
one end of the inner combustion chamber is positioned in the outer housing shell in the vertical direction, and the other end of the inner combustion chamber is positioned in the outer housing shell or is flush with the outer housing shell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910945639.XA CN112577198B (en) | 2019-09-30 | 2019-09-30 | Burner assembly, heat exchanger assembly and hot water equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910945639.XA CN112577198B (en) | 2019-09-30 | 2019-09-30 | Burner assembly, heat exchanger assembly and hot water equipment |
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| CN112577198B true CN112577198B (en) | 2022-05-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10184690B2 (en) * | 2017-02-09 | 2019-01-22 | Bock Water Heaters, Inc. | Condensing water heater and condensation control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203671918U (en) * | 2013-10-23 | 2014-06-25 | 广东万家乐燃气具有限公司 | High-efficiency condensation gas water heater |
| CN103900261A (en) * | 2014-02-28 | 2014-07-02 | 芜湖美的厨卫电器制造有限公司 | Water heater and method for controlling ultraviolet sterilization of water heater |
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