Gas water heater

Abstract

The utility model discloses a gas water heater which comprises a top plate, a wind scooper, a first partition plate and a second partition plate, and the top plate is located at the top of the gas water heater and provided with an air inlet; the wind scooper is connected to the lower portion of the top plate, a wind guiding cavity is formed in the wind scooper, and a wind guiding opening is formed in the side portion of the wind scooper. The first partition plate and the second partition plate are both arranged in the gas water heater and extend in the height direction of the gas water heater. The first partition plate and the second partition plate are arranged in a spaced mode to form an air inlet channel. The top of the air inlet channel is communicated with the air guide opening, and the bottom of the air inlet channel is used for being communicated with a draught fan of the gas water heater. By the adoption of the scheme, the independent air inlet channel can be formed in the gas water heater, an opening does not need to be formed in the shell of the gas water heater, combustion noise is isolated from the outside, and the combustion noise can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas water heater. BACKGROUND

[0002] The air inlet of the general strong exhaust type gas water heater is arranged on the back of the box, and the hole or the ventilation groove is arranged on the back of the box. The negative pressure generated by the ventilation fan system introduces the air from the outside into the combustion system, mixes the air with the gas, and then burns and discharges to the outside. The setting structure of the air inlet directly transmits the combustion noise of the whole machine to the outside, and the full load combustion noise of the whole machine is generally above 50dB, which affects the use comfort. SUMMARY

[0003] The utility model wants to solve the technical problem to overcome above -mentioned defects in the prior art, provides a gas water heater.

[0004] The utility model solves the above technical problem through the following technical scheme:

[0005] A gas water heater, the gas water heater includes top plate, wind scooper, first baffle and second baffle, the top plate is located at the top of gas water heater, and has air inlet;The wind scooper is connected below the top plate, and the wind scooper has wind chamber in it, and forms air inlet on its side portion;

[0006] The first baffle and the second baffle are arranged in the gas water heater, and extend along the height direction of the gas water heater;The first baffle and the second baffle are arranged at intervals to form an air inlet channel;The top of the air inlet channel is communicated with the air inlet, and the bottom of the air inlet channel is communicated with the fan of the gas water heater.

[0007] In the scheme, the wind scooper, the first baffle and the second baffle can form an independent air inlet channel in the gas water heater, without opening on the shell of the gas water heater, so that the combustion noise is isolated from the outside, and the combustion noise can be reduced.

[0008] Preferably, the wind scooper includes a body and an extension, the extension is arranged on one side of the body and extends downward;The top of the wind scooper is provided with a top opening, the top plate covers the top opening, and the top opening is communicated with the air inlet;The side portion of the extension has an air inlet, and the air inlet is communicated with the air inlet channel.

[0009] In the scheme, the top plate can shield the top opening of the wind scooper, and the top opening is communicated with the air inlet, so that the external air can enter the wind chamber of the wind scooper from the air inlet, and then enter the air inlet channel formed by the first baffle and the second baffle from the air inlet, so as to guide the external air to flow to the fan.

[0010] Preferably, the air deflector comprises a bottom plate and a side plate, the bottom plate has a first horizontal section, a vertical section and a second horizontal section, the first horizontal section, the vertical section and the second horizontal section are connected in sequence, and the vertical section extends downward after being connected with the first horizontal section;

[0011] The side plate surrounds the periphery of the bottom plate and forms the air deflection chamber and the top opening at the top of the air deflector; the part of the side plate connected with the second horizontal section is provided with the air deflection opening.

[0012] In this scheme, the air deflection chamber with the top opening is formed by the side plate and the bottom plate, and the air deflection opening is further formed on the side plate, so that the air enters from the top and flows out from the side.

[0013] Preferably, the part of the side plate connected with the second horizontal section is provided with a plurality of air deflection openings, and the plurality of air deflection openings are arranged at intervals.

[0014] And / or, the first horizontal section is provided with a hole penetrating through;

[0015] And / or, the first horizontal section and the vertical section are connected by a circular arc, and the side plate and the first horizontal section and the vertical section are connected by a circular arc.

[0016] Preferably, the first partition plate is arranged directly below the vertical section, the second partition plate is located on one side of the air deflector, and the upper end of the second partition plate covers the air deflection opening.

[0017] In this scheme, the effective communication between the air deflection opening and the air inlet channel is formed by the position arrangement among the air deflector, the first partition plate and the second partition plate, and the air deflection opening is formed on the downwardly extending extension, which is beneficial to increase the area of the air deflection opening and improve the air inlet effect.

[0018] Preferably, the first partition plate is a core panel of a combustion heat exchange system of the gas water heater.

[0019] In this scheme, during the process that the external cold air enters the independent air duct, the air is preheated after contacting with the core panel of the combustion heat exchange system, and the preheated air helps to fully and stably burn and improves the combustion efficiency.

[0020] Preferably, the middle part of the second partition plate is convex in a direction away from the first partition plate, so as to be arranged at intervals with the first partition plate.

[0021] Preferably, the top plate is sleeved on the smoke exhaust pipe of the gas water heater, and has a gap between the top plate and the outer side wall of the smoke exhaust pipe to form the air inlet.

[0022] Preferably, the top plate includes a first plate and a second plate, the first plate being embedded in the second plate, and the upper surface of the first plate being flush with the upper surface of the second plate; the first plate is sleeved on the exhaust pipe, and the first plate is trapezoidal.

[0023] Preferably, the gas water heater further includes a fan interface, and the bottom of the second partition is provided with a docking part. The fan interface is horizontally arranged between the docking part and the fan, and the docking part covers the end face of the fan interface.

[0024] In this solution, air can be further guided into the fan through the fan interface.

[0025] Preferably, the end face of the fan interface facing the docking portion is flush with the end face of the first partition facing the second partition.

[0026] Preferably, the air guide cover and the second partition, the second partition and the first partition, and the fan interface and the second partition are all sealed connections.

[0027] In this solution, the aforementioned sealing connection can further reduce combustion noise.

[0028] Preferably, the gas water heater includes an outer panel, and the first partition and the second partition are disposed inside the gas water heater on the side near the outer panel.

[0029] The positive and progressive effects of this utility model are as follows: through the air guide cover, the first partition and the second partition, an independent air intake channel can be formed inside the gas water heater, eliminating the need for an opening on the casing of the gas water heater, thus isolating combustion noise from the outside and reducing combustion noise. Attached Figure Description

[0030] Figure 1 This is an exploded view of a gas water heater provided in this embodiment;

[0031] Figure 2 This is a cross-sectional view of the gas water heater provided in this embodiment, wherein the outer panel has been removed;

[0032] Figure 3 This embodiment provides a structural schematic diagram of some components of a gas water heater, wherein the component is related to forming the air intake path;

[0033] Figure 4 for Figure 3 Another structural diagram of some components of a gas water heater;

[0034] Figure 5 This is a schematic diagram of the structure of an air guide shroud provided in this embodiment;

[0035] Figure 6 for Figure 5 A structural schematic diagram of the central wind deflector from another perspective.

[0036] Reference sign list

[0037] Gas water heater 10, flue pipe 11, outer panel 12, top plate 100, air inlet 101, first plate 110, second plate 120, air guide hood 200, body 201, extension 202, top opening 203, air guide 204, bottom plate 210, first horizontal section 211, vertical section 212, second horizontal section 213, side plate 220, first partition 300, second partition 400, connecting part 410, fan interface 500. Detailed Implementation

[0038] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0039] This embodiment provides a gas water heater 10, such as Figures 1-6 As shown, the gas water heater 10 includes a top plate 100, an air guide hood 200, a first partition 300, and a second partition 400. The top plate 100 is located at the top of the gas water heater 10 and has an air inlet 101. The air guide hood 200 is connected to the bottom of the top plate 100, has an air guide chamber inside, and forms an air guide port 204 on its side. The first partition 300 and the second partition 400 are both disposed inside the gas water heater 10 and extend along the height direction of the gas water heater 10. The first partition 300 and the second partition 400 are arranged at intervals to form an air intake channel. The top of the air intake channel communicates with the air guide port 204, and the bottom of the air intake channel is used to communicate with the fan of the gas water heater 10.

[0040] By using the air guide shroud 200, the first partition 300, and the second partition 400, an independent air intake channel can be formed inside the gas water heater 10, eliminating the need for openings in the casing of the gas water heater 10, thus isolating combustion noise from the outside and reducing combustion noise.

[0041] In this embodiment, the orientation relationships such as "top," "bottom," "upper," and "lower" refer to the orientation of the gas water heater 10 when it is in use. The top plate 100 can serve as the top part of the housing of the gas water heater 10, which forms the overall external outline of the gas water heater 10. The top plate 100 has a hole, part or all of which can serve as an air inlet 101. For example, for a top-vented gas water heater 10, there is an exhaust pipe 11 at the top, which can pass through the top plate 100 to extend beyond the gas water heater 10. The hole in the top plate 100 has a larger size than the outer diameter of the exhaust pipe 11, thereby forming an air inlet 101 between the top plate 100 and the exhaust pipe 11. The air guide hood 200 has a structure similar to a hood, and there is a cavity inside the air guide hood 200 for guiding air. The air vent 204 can be located on either side of the air guide shroud 200. The gas water heater 10 typically has a roughly rectangular structure, and the air guide shroud 200 can have four side walls circumferentially. The air vent 204 can be located on any one of these four side walls. Correspondingly, the positions of the first partition 300 and the second partition 400 correspond to the positions of the side walls where the air vent 204 is located. Through the first partition 300 and the second partition 400, air can be guided from the top of the gas water heater 10 to the fan located at the bottom of the gas water heater 10, passing over the components in the middle of the gas water heater 10.

[0042] During operation, the fan generates negative pressure, drawing outside air into the air guide hood 200 through the air inlet 101 between the top plate 100 and the exhaust pipe 11. An independent air duct is formed between the air guide hood 200, the first partition 300, and the second partition 400. Outside air enters the fan inlet 101 through this duct, mixes with the gas, and undergoes complete combustion. High-temperature exhaust gas is then discharged outdoors. The air inlet 101 of the entire air intake system is located at the top of the unit. The air guide hood 200 and the top plate 100 are also sealed and isolated from the main unit, making the air intake system completely independent. No openings are needed in the hood or housing, effectively isolating combustion noise from the outside environment and reducing combustion noise to below 50dB. As air flows along the height of the gas water heater 10, cold outside air passes through the combustion zone in the middle of the gas water heater 10. The heat transferred from this combustion zone warms the air to some extent. This preheated air contributes to complete and stable combustion, improving combustion efficiency.

[0043] like Figure 5 and Figure 6As shown, the air guide hood 200 includes a body 201 and an extension 202. The extension 202 is disposed on one side of the body 201 and extends downward. The top of the air guide hood 200 has a top opening 203, which is covered by a top plate 100 and communicates with the air inlet 101. The side of the extension 202 has an air guide port 204, which communicates with the air intake channel. The top plate 100 can cover the top opening 203 of the air guide hood 200, and the top opening 203 communicates with the air inlet 101. External air can enter the air guide chamber of the air guide hood 200 from the air inlet 101, and then enter the air intake channel formed by the first partition 300 and the second partition 400 from the air guide port 204, thereby guiding the external air to the fan.

[0044] like Figure 1 and Figure 2 As shown, the main body 201 can be positioned above the smoke hood of the exhaust pipe 11, and the extension 202 extends downward and is located on one side of the smoke hood, thereby allowing the air guide hood 200 to be installed using the space above and on the side of the smoke hood. Figure 4 and Figure 6 As shown, a raised rib may be provided on the lower surface of the body 201. Additionally, as... Figure 5 As shown, in the height direction of the gas water heater 10, the extension 202 has a larger size than the main body 201, and the air guide 204 can extend in the height direction of the gas water heater 10 to form a larger diameter to improve the air guiding capacity.

[0045] like Figure 5 and Figure 6 As shown, the air guide hood 200 includes a base plate 210 and a side plate 220. The base plate 210 has a first horizontal section 211, a vertical section 212, and a second horizontal section 213, which are connected sequentially. The vertical section 212 extends downward after being connected to the first horizontal section 211. The side plate 220 surrounds the circumference of the base plate 210, forming an air guide chamber and a top opening 203 at the top of the air guide hood 200. The portion of the side plate 220 connected to the second horizontal section 213 is provided with an air guide port 204. The side plate 220 and the base plate 210 form an air guide chamber with a top opening 203, and the air guide port 204 is also formed on the side plate 220, so that air enters from the top and flows out from the side.

[0046] like Figure 5 and Figure 6As shown, the vertical section 212, the second horizontal section 213, and the corresponding side plate 220 form the extension 202, while the first horizontal section 211 and the corresponding side plate 220 form the main body. The portion of the side plate 220 connected to the first horizontal section 211 can be provided with mounting holes for connection to the back plate of the gas water heater 10's casing. The first horizontal section 211, the vertical section 212, and the second horizontal section 213 form an L-shaped structure, which can then be mounted on a smoke hood.

[0047] The portion of side panel 220 that connects to the second horizontal section 213 can also serve as the portion connecting to the second partition 400. For example... Figure 1 and Figure 5 As shown, the part of the side plate 220 connected to the second horizontal section 213 is provided with multiple air guides 204. The multiple air guides 204 are spaced apart and form a horizontal beam on the upper side. Vertical beams are formed on both sides of the air guides 204. The horizontal beam and the vertical beam can be used as the part connected to the second partition plate 400. Specifically, they can be connected by fasteners such as screws and bolts.

[0048] like Figure 5 As shown, the first horizontal section 211 has a through hole; this hole allows the exhaust pipe 11 to pass through, and the inner diameter of the hole is preferably the same as the outer diameter of the exhaust pipe 11. Figure 5 As shown, there is a circular arc transition between the first horizontal segment 211 and the vertical segment 212, and a circular arc transition between the side plate 220 and the first horizontal segment 211 and the vertical segment 212.

[0049] like Figure 2 , Figure 3 and Figure 4 As shown, the first partition 300 is located directly below the vertical section 212, and the second partition 400 is located on one side of the air guide hood 200, with the upper end of the second partition 400 covering the air guide opening 204. Through the positional arrangement of the air guide hood 200, the first partition 300, and the second partition 400, an effective connection between the air guide opening 204 and the air inlet channel can be formed. Furthermore, the air guide opening 204 is formed on the downwardly extending portion 202, which helps to increase the area of ​​the air guide opening 204, thereby improving the air intake effect.

[0050] like Figure 2 , Figure 3 and Figure 4 As shown, the end face of the first partition 300 facing the second partition 400 is substantially flush with the end face of the portion of the side plate 220 that connects to the second horizontal segment 213. The middle portion of the second partition 400 protrudes away from the first partition 300 to be spaced apart from the first partition 300; and a connecting flange is formed around the second partition 400, which can be connected to the portion of the side plate 220 that connects to the second horizontal segment 213 and the end face of the first partition 300 facing the second partition 400, specifically by fasteners such as screws and bolts.

[0051] Preferably, the first partition 300 is the core panel of the combustion heat exchange system of the gas water heater 10. When cold outside air enters the independent air duct, the air is preheated after contacting the core panel of the combustion heat exchange system. This preheated air helps to ensure complete and stable combustion and improves combustion efficiency.

[0052] like Figure 1 and Figure 3 As shown, the top plate 100 is fitted onto the exhaust pipe 11 of the gas water heater 10, and there is a gap between it and the outer wall of the exhaust pipe 11 to form an air inlet 101. The top plate 100 includes a first plate 110 and a second plate 120. The first plate 110 is embedded in the second plate 120, and the upper surface of the first plate 110 and the upper surface of the second plate 120 are flush. The first plate 110 is fitted onto the exhaust pipe 11 and is trapezoidal in shape.

[0053] like Figures 1-4 As shown, the gas water heater 10 also includes a fan interface 500. The bottom of the second partition 400 is provided with a connecting portion 410. The fan interface 500 is horizontally arranged between the connecting portion 410 and the fan, and the connecting portion 410 covers the end face of the fan interface 500. Air can be further guided into the fan through the fan interface 500. Furthermore, the end face of the fan interface 500 facing the connecting portion 410 is flush with the end face of the first partition 300 facing the second partition 400. Figure 2 As shown in the figure, the solid arrows represent the air intake path, and the dashed arrows represent the smoke exhaust path.

[0054] like Figures 1-4 As shown, the fan interface 500 can be a cylindrical structure, and the mating portion 410 on the second partition 400 can have a shape that is basically the same as the end face of the fan interface 500. The end of the fan interface 500 can also be provided with a flange, which can be connected to the mating portion 410, specifically through fasteners such as screws or bolts. In this embodiment, the fan interface 500 and the second partition 400 are separate structures, connected by fasteners. In other embodiments, the fan interface 500 can also be directly formed on the second partition 400, for example, the fan interface 500 and the second partition 400 can be integrally formed.

[0055] Furthermore, the connections between the air guide shroud 200 and the second partition 400, between the second partition 400 and the first partition 300, and between the fan interface 500 and the second partition 400 are all sealed. These sealed connections further reduce combustion noise.

[0056] Specifically, the portion of the air guide shroud 200 and the top plate 100, excluding the air inlet 101, is sealingly connected. The upper end of the second partition 400 is sealingly connected to the upper end of the air guide shroud 200, the middle portion of the second partition 400 is sealingly connected to the first partition 300, and the lower portion of the second partition 400 is sealingly connected to the fan interface 500. Thus, after air enters through the air inlet 101, it flows sequentially along the air guide shroud 200, the space between the first partition 300 and the second partition 400, and the fan interface 500, ultimately entering the fan.

[0057] Furthermore, air intake grilles can be used to extend the noise propagation path. Specifically, air intake grilles can be installed at components such as air inlet 101 and air guide hood 200.

[0058] like Figure 1 As shown, the gas water heater 10 includes an outer panel 12, and a first partition 300 and a second partition 400 are disposed inside the gas water heater 10 on the side near the outer panel 12. The outer panel 12 is part of the housing of the gas water heater 10, specifically the panel facing the user.

[0059] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A gas water heater, characterized in that, The gas water heater includes a top plate, an air guide hood, a first partition, and a second partition. The top plate is located at the top of the gas water heater and has an air inlet. The air guide hood is connected to the bottom of the top plate, has an air guide chamber inside, and forms an air guide opening on its side. Both the first partition and the second partition are disposed inside the gas water heater and extend along the height direction of the gas water heater; the first partition and the second partition are arranged at intervals to form an air inlet channel; the top of the air inlet channel is connected to the air guide port, and the bottom of the air inlet channel is used to connect to the fan of the gas water heater.

2. The gas water heater as described in claim 1, characterized in that, The air guide shroud includes a main body and an extension. The extension is disposed on one side of the main body and extends downward. The top of the air guide shroud has a top opening, and the top plate covers the top opening, which is connected to the air inlet. The side of the extension has an air guide port, which is connected to the air inlet channel.

3. The gas water heater as described in claim 2, characterized in that, The air guide shroud includes a base plate and a side plate. The base plate has a first horizontal section, a vertical section, and a second horizontal section. The first horizontal section, the vertical section, and the second horizontal section are connected in sequence, and the vertical section extends downward after being connected to the first horizontal section. The side plate surrounds the circumference of the bottom plate and forms the air guide chamber, and forms the top opening at the top of the air guide hood; the part of the side plate connected to the second horizontal section is provided with the air guide port.

4. The gas water heater as described in claim 3, characterized in that, The portion of the side plate connected to the second horizontal section is provided with multiple air vents, which are spaced apart. And / or, the first horizontal segment is provided with a through hole; And / or, there is an arc transition between the first horizontal segment and the vertical segment, and an arc transition between the side plate and the first horizontal segment and the vertical segment.

5. The gas water heater as described in claim 3, characterized in that, The first partition is located directly below the vertical section, the second partition is located on one side of the air guide shroud, and the upper end of the second partition covers the air guide opening.

6. The gas water heater as described in claim 5, characterized in that, The first partition is the core panel of the combustion heat exchange system of the gas water heater; And / or, the middle portion of the second partition protrudes away from the first partition to be spaced apart from the first partition.

7. The gas water heater as described in claim 2, characterized in that, The top plate is fitted onto the exhaust pipe of the gas water heater and has a gap between it and the outer wall of the exhaust pipe to form the air inlet.

8. The gas water heater as described in claim 7, characterized in that, The top plate includes a first plate and a second plate, the first plate being embedded in the second plate, and the upper surface of the first plate being flush with the upper surface of the second plate; the first plate is sleeved on the exhaust pipe, and the first plate is trapezoidal.

9. The gas water heater as described in claim 1, characterized in that, The gas water heater also includes a fan interface. The bottom of the second partition is provided with a docking part. The fan interface is horizontally arranged between the docking part and the fan. The docking part covers the end face of the fan interface.

10. The gas water heater as described in claim 9, characterized in that, The end face of the fan interface facing the docking part is flush with the end face of the first partition facing the second partition.

11. The gas water heater as described in claim 9, characterized in that, The air guide cover and the second partition, the second partition and the first partition, and the fan interface and the second partition are all sealed connections.

12. The gas water heater as described in any one of claims 1-11, characterized in that, The gas water heater includes an outer panel, and the first partition and the second partition are disposed inside the gas water heater on the side near the outer panel.

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