Air-cooled gas water heater

Abstract

An air-cooled gas water heater comprises a combustor, a combustion chamber, a heat exchanger and a smoke exhaust subassembly, and a front wall plate and a rear wall plate of the combustion chamber extend upwards to form a heat exchanger cavity with a top opening and an end opening; the heat exchanger is arranged in the heat exchanger cavity, two ends of the heat exchanger close end openings of the heat exchanger cavity, and the fan part is arranged at the top of the heat exchanger cavity; the combustor is arranged at the lower end of the heat exchanger and a combustion part extends into the combustion chamber; the bottom front inner air outlet hole, the bottom rear inner air outlet hole, the left bottom inner air outlet hole and the right bottom inner air outlet hole are located below the plane where the top of the combustion part is located. The front wall plate, the rear wall plate, the left wall plate and the right wall plate are hollow and provided with an air inlet hole set and an air outlet hole set respectively, and cooling is achieved in the air flowing process. And air is provided for the combustor, secondary air is provided, and the energy efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a gas water heater, in particular to an air-cooled gas water heater. Background Art

[0002] The current existing technology, Chinese patent 202223363061.3, and an air-cooled combustion chamber cavity of a gas water heater, an air-cooled combustion system of a gas water heater and a water heater. The air-cooled combustion chamber cavity includes: an outer plate, an inner plate and a barrier. The outer plate is arranged to form a accommodating space, and the outer plate has an air inlet hole connected to the accommodating space. The inner plate is arranged in the accommodating space, and an air-cooling channel is provided between the inner plate and the outer plate. The inner plate is arranged to form a combustion space, and the inner plate has an air outlet hole connecting the combustion space and the air-cooling channel. The existing problem is: there is less secondary air in the combustion chamber and the temperature rises. Utility Model Content

[0003] The purpose of the utility model is to provide an air-cooled gas water heater, which has the characteristics of sufficient secondary air and low combustion room temperature.

[0004] The utility model is realized as follows: an air-cooled gas water heater, which is special in that it includes a burner, a combustion chamber, a heat exchanger and a smoke exhaust unit.

[0005] The combustion chamber includes a front wall plate, a rear wall plate, a left wall plate and a right wall plate, wherein the front wall plate and the rear wall plate extend upward to form a heat exchanger cavity with a top opening and an end opening;

[0006] The front wall panel is hollow and includes a front upper air inlet group, a front lower air inlet group, a bottom front inner air outlet and a front middle air outlet;

[0007] The rear wall panel is hollow and includes a rear upper air inlet group, a rear lower air inlet group, a bottom rear inner air outlet and a rear middle air outlet;

[0008] The left wall panel is hollow and includes a left upper air inlet group, a left middle air inlet group, a left lower air inlet group, a left top inner air outlet, a left middle inner air outlet and a left bottom inner air outlet;

[0009] The right wall panel is hollow and includes a right upper air inlet group, a right middle air inlet group, a right lower air inlet group, a right top inner air outlet, a right middle inner air outlet and a right bottom inner air outlet;

[0010] The heat exchanger is arranged in the heat exchanger cavity, and the end openings of the heat exchanger cavity are closed at both ends of the heat exchanger, and the fan part is installed at the top of the heat exchanger cavity; the burner is provided with the lower end of the heat exchanger and the combustion part extends into the combustion chamber; the bottom front inner air outlet, the bottom rear inner air outlet, the left bottom inner air outlet and the right bottom inner air outlet are located below the plane where the top of the combustion part is located.

[0011] The air-cooled gas water heater is characterized in that: the front wall panel comprises a front panel and a front inner lining panel, which are buckled together; the front panel is provided with a front upper air inlet hole group and a front lower air inlet hole group, the front inner lining panel is provided with a bottom front inner air outlet hole and a front middle air outlet hole in the middle;

[0012] The rear wall panel includes a rear panel and a rear inner lining panel, which are buckled together; the rear panel is provided with a rear upper air inlet hole group and a rear lower air inlet hole group, the rear inner lining panel is provided with a bottom rear inner air outlet hole and a rear middle air outlet hole in the middle;

[0013] The left wall panel includes a left panel and a left inner lining panel, and the left panel and the left inner lining panel are buckled together; the left panel is provided with a left upper air inlet group, a left middle air inlet group and a left lower air inlet group, and the left inner lining panel is provided with a left top inner air outlet, a left middle inner air outlet and a left bottom inner air outlet;

[0014] The right wall panel includes a right panel and a right inner lining panel, which are buckled together; the right panel is provided with a right upper air inlet group, a right middle air inlet group and a right lower air inlet group, and the right inner lining panel is provided with a right top inner air outlet, a right middle inner air outlet and a right bottom inner air outlet.

[0015] The air-cooled gas water heater is special in that the front panel, rear panel and left panel extend downward to form a burner cavity with a lower opening and a right opening, and a gap is provided on the burner cavity to avoid air.

[0016] The burner is arranged in the burner cavity.

[0017] The air-cooled gas water heater is special in that: the burner comprises a burner body and a shell with an upper opening.

[0018] The burner body includes a plurality of burner units, each of which is provided with an ejector tube;

[0019] The bottom plate of the shell is provided with an air inlet hole, and the side wall plate is provided with a through hole;

[0020] The burner body is arranged in the shell, and the ejector pipe and the through hole are butted against each other.

[0021] The utility model discloses an air-cooled gas water heater, wherein the front wall plate, the rear wall plate, the left wall plate and the right wall plate are hollow and respectively provided with an air inlet hole group and an air outlet hole group, so that the temperature is reduced during the air flow; the air is provided to the burner, providing secondary air, thereby improving energy efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional view of the present utility model.

[0023] Figure 2 yes Figure 1 A-A view of.

[0024] Figure 3 yes Figure 1 B-B view.

[0025] Figure 4 yes Figure 1 A partial enlarged view of .

[0026] Figure 5 This is one of the three-dimensional exploded views of the present invention.

[0027] Figure 6 This is the second three-dimensional exploded view of the present invention.

[0028] Figure 7 It is one of the three-dimensional diagrams of this practical model.

[0029] Figure 8 It is the second stereogram of this practical model. DETAILED DESCRIPTION

[0030] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0031] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0032] like Figure 1 As shown, an air-cooled gas water heater includes a burner 1, a combustion chamber 2, a heat exchanger 3 and a smoke exhaust device 4.

[0033] The combustion chamber 2 includes a front wall plate 21, a rear wall plate 22, a left wall plate 23 and a right wall plate 24. The front wall plate 21 and the rear wall plate 22 extend upward to form a heat exchanger cavity 25 with a top opening and an end opening.

[0034] like Figure 4 As shown, the front wall panel 21 is hollow and includes a front upper air inlet hole group 2111, a front lower air inlet hole group 2112, a bottom front inner air outlet hole 2121, and a front middle air outlet hole 2122. The front lower air inlet hole group 2112 is located between the bottom front inner air outlet hole 2121 and the front middle air outlet hole 2122.

[0035] like Figure 4As shown, the rear wall plate 22 is hollow and includes a rear upper air inlet hole group 2211, a rear lower air inlet hole group 2212, a bottom rear inner air outlet hole 2221 and a rear middle air outlet hole 2222, and the rear lower air inlet hole group 2212 is located between the bottom rear inner air outlet hole 2221 and the rear middle air outlet hole 2222;

[0036] like Figure 2 As shown, the left wall panel 23 is hollow and includes an upper left air inlet hole group 2311, a left middle air inlet hole group 2312, a lower left air inlet hole group 2313, a left top inner air outlet hole 2321, a left middle inner air outlet hole 2322, and a left bottom inner air outlet hole 2323; the left top inner air outlet hole 2321 is opposite to the upper left air inlet hole group 2311 and the left middle air inlet hole group 2312, and the left middle inner air outlet hole 2322 is opposite to the left middle air inlet hole group 2312 and the lower left air inlet hole group 2313;

[0037] The right wall panel 24 is hollow and includes a right upper air inlet hole group 2411, a right middle air inlet hole group 2412, a right lower air inlet hole group 2413, a right top inner air outlet hole 2421, a right middle inner air outlet hole 2422, and a right bottom inner air outlet hole; the layout of the right wall panel 24 is the same as that of the left wall panel;

[0038] The heat exchanger 3 is disposed within the heat exchanger cavity 25, with both ends of the heat exchanger 3 sealing the end openings of the heat exchanger cavity 25. The fan unit is mounted at the top of the heat exchanger cavity 25. The burner 1 is provided with the lower end of the heat exchanger 3, and the combustion unit extends into the combustion chamber 2. The bottom front inner air outlet 2121, the bottom rear inner air outlet 2221, the left bottom inner air outlet 2323, and the right bottom inner air outlet are located below the plane where the top of the combustion unit is located.

[0039] With such a structure, the air entering the combustion chamber 2 from the front and rear wall panels is distributed from bottom to top, and the air entering the combustion chamber 2 from the left and right wall panels is evenly distributed from bottom to top. This not only sends the heat energy input from the wall panels to the combustion chamber and provides secondary air, but also reduces the temperature rise of the wall panels.

[0040] As a further improvement of the present invention: the front wall panel 21 includes a front panel and a front inner lining panel, which are buckled together; the front panel is provided with a front upper air inlet hole group 2111 and a front lower air inlet hole group 2112, the front inner lining panel is provided with a bottom front inner air outlet hole 2121, and a front middle air outlet hole 2122 in the middle;

[0041] The rear wall panel 22 includes a rear panel and a rear inner lining panel, which are buckled together to form a rear air cavity; the rear panel is provided with a rear upper air inlet hole group 2211 and a rear lower air inlet hole group 2212, and the rear inner lining panel is provided with a bottom rear inner air outlet hole 2221 and a rear middle air outlet hole 2222 in the middle;

[0042] The left wall panel 23 includes a left panel and a left inner lining panel, which are buckled together; the left panel is provided with a left upper air inlet hole group 2311, a left middle air inlet hole group 2312 and a left lower air inlet hole group 2313, and the left inner lining panel is provided with a left top inner air outlet hole 2321, a left middle inner air outlet hole 2322 and a left bottom inner air outlet hole 2323;

[0043] The right wall panel 24 includes a right panel and a right inner lining panel, which are buckled together; the right panel is provided with a right upper air inlet hole group 2411, a right middle air inlet hole group 2412 and a right lower air inlet hole group 2413, and the right inner lining panel is provided with a right top inner air outlet hole 2421, a right middle inner air outlet hole 2422 and a right bottom inner air outlet hole.

[0044] As a further improvement of the present invention: the front panel, rear panel and left panel extend downward to form a burner cavity 26 with a lower opening and a right opening, and a gap 261 is provided on the burner cavity 26;

[0045] The burner 1 is arranged in the burner cavity.

[0046] The burner 1 includes a burner body 11 and a housing 12 with an upper opening.

[0047] The burner body 11 includes a plurality of burner units, each of which is provided with an ejector tube;

[0048] The bottom plate of the housing 12 is provided with an air inlet hole, and the side wall plate is provided with a through hole 121;

[0049] The burner body 11 is disposed in the housing 12 , and the ejector pipe and the through hole 121 are connected to each other.

[0050] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An air-cooled gas water heater, characterized by: Including burner, combustion chamber, heat exchanger and smoke exhaust equipment, The combustion chamber includes a front wall plate, a rear wall plate, a left wall plate and a right wall plate, wherein the front wall plate and the rear wall plate extend upward to form a heat exchanger cavity with a top opening and an end opening; The front wall panel is hollow and includes a front upper air inlet group, a front lower air inlet group, a bottom front inner air outlet and a front middle air outlet; The rear wall panel is hollow and includes a rear upper air inlet group, a rear lower air inlet group, a bottom rear inner air outlet and a rear middle air outlet; The left wall panel is hollow and includes a left upper air inlet group, a left middle air inlet group, a left lower air inlet group, a left top inner air outlet, a left middle inner air outlet and a left bottom inner air outlet; The right wall panel is hollow and includes a right upper air inlet group, a right middle air inlet group, a right lower air inlet group, a right top inner air outlet, a right middle inner air outlet and a right bottom inner air outlet; The heat exchanger is arranged in the heat exchanger cavity, and the end openings of the heat exchanger cavity are closed at both ends of the heat exchanger, and the fan part is installed at the top of the heat exchanger cavity; the burner is provided with the lower end of the heat exchanger and the combustion part extends into the combustion chamber; the bottom front inner air outlet, the bottom rear inner air outlet, the left bottom inner air outlet and the right bottom inner air outlet are located below the plane where the top of the combustion part is located.

2. The air-cooled gas water heater according to claim 1, characterized in that: The front wall panel includes a front panel and a front inner lining panel, which are buckled together; the front panel is provided with a front upper air inlet hole group and a front lower air inlet hole group, the front inner lining panel is provided with a bottom front inner air outlet hole and a front middle air outlet hole in the middle; The rear wall panel includes a rear panel and a rear inner lining panel, which are buckled together; the rear panel is provided with a rear upper air inlet hole group and a rear lower air inlet hole group, the rear inner lining panel is provided with a bottom rear inner air outlet hole and a rear middle air outlet hole in the middle; The left wall panel includes a left panel and a left inner lining panel, and the left panel and the left inner lining panel are buckled together; the left panel is provided with a left upper air inlet group, a left middle air inlet group and a left lower air inlet group, and the left inner lining panel is provided with a left top inner air outlet, a left middle inner air outlet and a left bottom inner air outlet; The right wall panel includes a right panel and a right inner lining panel, which are buckled together; the right panel is provided with a right upper air inlet group, a right middle air inlet group and a right lower air inlet group, and the right inner lining panel is provided with a right top inner air outlet, a right middle inner air outlet and a right bottom inner air outlet.

3. The air-cooled gas water heater according to claim 2, characterized in that: The front panel, rear panel and left panel extend downward to form a burner cavity with a lower opening and a right opening, and a gap is provided on the burner cavity to avoid air. The burner is arranged in the burner cavity.

4. The air-cooled gas water heater according to claim 3, characterized in that: The burner includes a burner body and a shell with an upper opening. The burner body includes a plurality of burner units, each of which is provided with an ejector tube; The bottom plate of the shell is provided with an air inlet hole, and the side wall plate is provided with a through hole; The burner body is arranged in the shell, and the ejector pipe and the through hole are butted against each other.

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