Water heater with heat insulation and low temperature rise structure

Abstract

The utility model discloses a water heater with a heat insulation and low temperature rise structure. The water heater comprises a box shell and a heat insulation plate, and the box shell is provided with an exhaust assembly, a heat exchanger, a combustion chamber and a combustor from top to bottom. The box shell is of a box-shaped structure, an opening is formed in the front of the box shell, and the box shell can be sealed through a front panel. The heat insulation plate can cover the front sides of the heat exchanger, the combustion chamber and the combustor and is located on the rear side of the front panel so as to prevent heat from being transmitted to the front panel. And a plurality of first air supplementing holes are formed in the thermal insulation plate in front of the combustor. According to the utility model, the thermal insulation plate effectively reduces the temperature rise of the front panel, so that a user is not easy to scald, other electronic elements of the box shell are also convenient to protect, and meanwhile, the user is also convenient to adjust adjusting buttons or knobs at the front panel.

Description

Technical Field

[0001] The utility model relates to the technical field of water heaters, in particular to a water heater with a heat-insulating low-temperature rise structure. Background Art

[0002] The water heater is mainly composed of a fan assembly, a heat exchanger assembly and a burner assembly. The burner assembly ignites the gas to heat the heat exchange tubes that are wrapped around the heat exchanger assembly, and then the fan assembly is used to discharge the smoke. During operation, the burner, combustion chamber and heat exchanger will dissipate heat outward. This heat is transferred to the front panel, which can easily increase the temperature of the front panel. If the user touches the front panel of the water heater during use, there is a risk of high temperature burns, and it is not conducive to adjusting the water heater adjustment buttons or knobs on the front panel. Therefore, further improvements are needed. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a water heater with a heat insulation low temperature rise structure.

[0004] The technical solution adopted by an embodiment of the utility model to solve the technical problem is: a water heater with a heat-insulating low-temperature rise structure, comprising: a box shell, a temperature-insulating plate, and the box shell is provided with an exhaust assembly, a heat exchanger, a combustion chamber and a burner from top to bottom;

[0005] The box shell is arranged in a box-shaped structure, with an opening arranged in the front, and can be covered by a front panel; the insulation plate can cover the front side of the heat exchanger, the combustion chamber and the burner, and is located on the rear side of the front panel to block the transfer of heat to the front panel; the insulation plate is provided with a plurality of first air supply holes in front of the burner.

[0006] Optionally, the burner includes a fire bar assembly; and the first air supply hole is located on the side of the fire bar assembly.

[0007] Optionally, the insulation plate is provided with a boss structure protruding toward the front panel; the boss structure can be spaced apart and arranged on the front side of the combustion chamber.

[0008] Optionally, the boss structure is provided with a plurality of second air supply holes; and the combustion chamber is provided with a plurality of third air supply holes.

[0009] Optionally, the second air supply hole is arranged below the boss structure.

[0010] Optionally, the boss structure is provided with a plurality of connection recesses, and the connection recesses are provided with connection holes; the combustion chamber is provided with a plurality of connection protrusions corresponding to the connection recesses, and the connection protrusions are fixed with connection nuts.

[0011] Optionally, the insulation board is provided with a plurality of reinforcement recesses.

[0012] The beneficial effects of the utility model are as follows: the thermal insulation board can cover the front side of the heat exchanger, the combustion chamber and the burner, and the main heating elements in the box shell are shielded by the thermal insulation board, which can effectively block the transfer of heat to the front panel, effectively reduce the temperature rise of the front panel, and is not easy to scald the user. It is also convenient to protect other electronic components of the box shell, and it is also convenient for users to adjust the adjustment buttons or knobs on the front panel.

[0013] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0015] Figure 1 This is a schematic diagram of the structure of the utility model water heater after the front panel is removed;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure of the middle insulation board;

[0017] Figure 3 for Figure 1 Schematic diagram of the combustion chamber structure.

[0018] Description of main component symbols:

[0019] 10. Box shell; 20. Insulation board; 21. First air supply hole; 22. Boss structure; 23. Second air supply hole; 24. Connection depression; 25. Reinforcement depression; 30. Exhaust assembly; 40. Heat exchanger; 50. Combustion chamber; 51. Third air supply hole; 52. Connection protrusion; 60. Burner. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0024] Example

[0025] Reference Figures 1 to 3 The utility model proposes a water heater with a heat insulation and low temperature rise structure, comprising: a box shell 10, a heat insulation board 20, and the box shell 10 is provided with an exhaust assembly 30, a heat exchanger 40, a combustion chamber 50 and a burner 60 from top to bottom;

[0026] The box shell 10 is arranged in a box-shaped structure with an opening at the front, which can be covered by a front panel; the insulation board 20 can cover the front side of the heat exchanger 40, the combustion chamber 50 and the burner 60, and is located on the rear side of the front panel to block the transfer of heat to the front panel; the insulation board 20 is provided with a plurality of first air supply holes 21 in front of the burner 60.

[0027] In the utility model, the insulation board 20 can cover the front side of the heat exchanger 40, the combustion chamber 50 and the burner 60. The main heating elements in the box shell 10 are shielded by the insulation board 20, which can effectively block the transfer of heat to the front panel, effectively reduce the temperature rise of the front panel, and is not easy to scald the user. It is also convenient to protect other electronic components of the box shell 10, and it is also convenient for the user to adjust the adjustment buttons or knobs on the front panel.

[0028] In this embodiment, the burner 60 includes a fire bar assembly; the first air supply hole 21 is located on the side of the fire bar assembly. The first air supply hole 21 can be used to supply air from the side for the combustion of the fire bar; and the burner 60 can maintain smooth combustion air supply.

[0029] In this embodiment, the insulation board 20 is provided with a boss structure 22 protruding toward the front panel; the boss structure 22 can be spaced apart and set at the front side of the combustion chamber 50. The boss structure 22 can enhance the mechanical strength of the insulation board 20, and can be well matched to be set at the front side of the combustion chamber 50 with a larger volume.

[0030] Specifically, the boss structure 22 is provided with a plurality of second air supply holes 23, and the combustion chamber 50 is provided with a plurality of third air supply holes 51. The second air supply holes 23 provide a way for air to be quickly supplied to the combustion chamber 50. After passing through the second air supply holes 23, the air can be supplied to the combustion chamber 50 from the third air supply holes 51 under the influence of the rising airflow in the combustion chamber 50, thereby supplying the combustion air.

[0031] Further, the second air supply hole 23 is arranged below the boss structure 22. The second air supply hole is located below the boss structure 22, and can supply air to the combustion chamber 50 from below. The air supply process can provide the combustion chamber 50 with multiple layers of third air supply holes 51.

[0032] In this embodiment, the boss structure 22 is provided with a plurality of connection recesses 24, and the connection recesses 24 are provided with connection holes; the combustion chamber 50 is provided with a plurality of connection protrusions 52 corresponding to the connection recesses 24, and the connection protrusions 52 are fixed with connection nuts. The connection recesses 24 match the connection protrusions 52, and the boss structure 22 and the combustion chamber 50 can form an air cavity. The connection holes are aligned with the connection nuts, and the insulation board 20 can be conveniently disassembled and assembled by bolts.

[0033] In this embodiment, in order to further improve the strength of the insulation board 20 , the insulation board 20 is provided with a plurality of reinforcement recesses 25 .

[0034] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A water heater with a heat-insulating low-temperature rise structure, characterized in that: include: A box shell (10), a heat insulation plate (20), and the box shell (10) is provided with an exhaust assembly (30), a heat exchanger (40), a combustion chamber (50) and a burner (60) from top to bottom; The box shell (10) is arranged in a box-shaped structure, with an opening arranged in the front, and can be covered by a front panel; the insulation board (20) can cover the front side of the heat exchanger (40), the combustion chamber (50) and the burner (60), and is located on the rear side of the front panel to block the transfer of heat to the front panel; the insulation board (20) is provided with a plurality of first air supply holes (21) in front of the burner (60).

2. The water heater with a heat-insulating low-temperature rise structure according to claim 1, characterized in that: The burner (60) comprises a fire bar assembly; the first air supply hole (21) is located on the side of the fire bar assembly.

3. The water heater with a heat-insulating low-temperature rise structure according to claim 1, characterized in that: The insulation plate (20) is provided with a boss structure (22) protruding toward the front panel; the boss structure (22) can be spaced apart and arranged at the front side of the combustion chamber (50).

4. The water heater with a heat-insulating low-temperature rise structure according to claim 3, characterized in that: The boss structure (22) is provided with a plurality of second air supply holes (23); and the combustion chamber (50) is provided with a plurality of third air supply holes (51).

5. The water heater with a heat-insulating low-temperature rise structure according to claim 4, characterized in that: The second air supply hole (23) is arranged below the boss structure (22).

6. The water heater with a heat-insulating low-temperature rise structure according to claim 3, characterized in that: The boss structure (22) is provided with a plurality of connection recesses (24), and the connection recesses (24) are provided with connection holes; the combustion chamber (50) is provided with a plurality of connection protrusions (52) corresponding to the connection recesses (24), and the connection protrusions (52) are fixed with connection nuts.

7. The water heater with a heat-insulating low-temperature rise structure according to claim 1, characterized in that: The thermal insulation plate (20) is provided with a plurality of reinforcement recesses (25).

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