CN218511180U

CN218511180U - Gas water heater

Info

Publication number: CN218511180U
Application number: CN202222564225.2U
Authority: CN
Inventors: 卢宇聪; 张袁萌; 陈正
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-02-21
Anticipated expiration: 2032-09-27

Abstract

The utility model belongs to the technical field of the heat supply, specifically disclose gas heater. The gas water heater comprises a box body and an air deflector, wherein the box body comprises a back plate, the back plate is provided with a plurality of air inlet holes, the air inlet holes are communicated with the inside of the box body, and the back plate can be connected to the mounting piece; the air deflector is arranged on the outer side of the box body and connected to the back plate, an air inlet cavity channel is formed between the air deflector and the back plate and provided with an air guide opening, the air guide opening faces upwards and is flush with the top of the box body, and the air inlet cavity channel is communicated with the air inlet hole. The utility model discloses a gas water heater, the wind-guiding mouth of its air inlet chamber way arranges up, on one hand supplements the secondary air through the last air inlet, the wind-guiding mouth up can guide more air, get into air inlet chamber way faster; on the other hand, the noise exhausting effect is achieved, the noise in the box body is upwards transmitted through the air guide opening, the noise is guaranteed not to be completely reflected by the back wall body, and the noise entering human ears is reduced. Simple structure is applicable to different models gas heater, and the cost of making an uproar is low.

Description

Gas water heater

Technical Field

The utility model relates to a heat supply technical field especially relates to gas heater.

Background

The gas water heater is a gas appliance which takes gas as fuel and transfers the heat of high-temperature flue gas after combustion to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water, and the flue gas after heat exchange is discharged by a fan. The working principle makes the gas water heater have the noise problem universally, and the noise is mainly from the combustion noise in the gas water heater, the noise of a fan system, the vaporization noise in a heat exchange system, the airflow turbulence noise, the vibration noise and the like. For improving the use experience of users, the problem of noise reduction of the gas water heater becomes an important problem. The noise reduction mode is divided into active noise reduction and passive noise reduction, the active noise reduction is to control a noise source to reduce noise, but the working process of the gas water heater involves various factors such as combustion, fluid and the like, and the technical difficulty of the active noise reduction is high, so that the noise reduction of the gas water heater mostly adopts a passive noise reduction scheme at present, namely, a transmission path is cut off, and the energy transmitted by the noise is weakened to achieve the purpose of reducing the noise. The passive noise reduction treatment mode of the existing gas water heater is generally as follows: the sealing performance of the whole machine is improved, the thickness of materials is increased, the vibration noise is reduced, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide gas heater, can reduce the propagation of internal noise, simple structure falls the cost of making an uproar and hangs down.

The technical problem is solved by the following technical scheme:

a gas water heater comprising:

the box body comprises a back plate, the back plate is provided with a plurality of air inlet holes, the air inlet holes are communicated with the interior of the box body, and the back plate can be connected to the mounting piece;

the air guide plate is arranged on the outer side of the box body and connected to the back plate, an air inlet cavity channel is formed between the air guide plate and the back plate and provided with an air guide opening, the air guide opening faces upwards and is flush with the top of the box body, and the air inlet cavity channel is communicated with the air inlet hole.

Gas heater, compare with the background art, the beneficial effect who has is: the air guide port of the air inlet cavity channel is arranged upwards, the air inlet cavity channel has an upper air inlet effect on one hand, secondary air for combustion is supplemented for the combustion chamber, the space above the box body is wide, and compared with a side air inlet structure or a bottom air inlet structure, the air guide port arranged upwards can guide more air and can enter the air inlet cavity channel more quickly; the air inlet chamber says on the other hand and plays the effect of the row on the noise, says the guide to sound through the air inlet chamber, makes the noise in the box upwards propagate through the wind-guiding mouth, and the wind-guiding mouth just upwards just with the top parallel and level of box, guarantees that the noise does not pass through the reflection of installed parts such as back wall body completely, has greatly reduced the noise that gets into the people's ear. The structure is simple, the gas water heater is not limited by the space in the box body, the gas water heater is suitable for various different models, and the noise reduction cost is low.

In one embodiment, the plurality of air inlet holes are arranged in a matrix and are arranged at the bottom of the air inlet cavity channel.

In one embodiment, the air deflector protrudes towards one side facing away from the back plate to form the air inlet cavity channel.

In one embodiment, the air deflector is provided with a first connecting flange, the first connecting flange is arranged on the periphery of the air deflector, and the first connecting flange is used for connecting the back plate.

In one embodiment, the air deflector comprises a bottom plate section, a left plate section and a right plate section which are communicated with each other, the left plate section and the right plate section are respectively arranged at two ends of the bottom plate section, and an avoidance space is enclosed among the bottom plate section, the left plate section and the right plate section; the air guide opening comprises a first air guide opening and a second air guide opening, the first air guide opening is arranged at the top end of the left plate section, and the second air guide opening is arranged at the top end of the right plate section.

In one embodiment, the air inlet holes are correspondingly arranged in the bottom plate section.

In one embodiment, the bottom plate section is arranged transversely, and the left plate section and the right plate section are arranged vertically.

In one embodiment, the air deflector is further provided with a second connecting flange, the second connecting flange is arranged on the inner periphery of the air deflector, and the second connecting flange is used for connecting the back plate.

In one embodiment, the air deflector is further provided with a drain hole, the drain hole is arranged at the bottom of the air deflector, and the drain hole is communicated with the air inlet cavity channel.

In one embodiment, the drain holes are arranged in a plurality, the drain holes are uniformly arranged along the bottom of the air deflector at intervals, and the diameter of each drain hole is not more than 6mm.

Drawings

Fig. 1 is a schematic view of a gas water heater according to an embodiment of the present invention, which is disassembled;

fig. 2 is a schematic diagram of a noise propagation path according to an embodiment of the present invention;

fig. 3 is a schematic structural view of an air deflector according to an embodiment of the present invention;

fig. 4 is an air inlet path intention of the gas water heater provided by the embodiment of the present invention.

Description of reference numerals:

1. a box body; 11. a back plate; 111. an air inlet hole; 2. an air deflector; 21. an air inlet channel; 211. an air guide opening; 2111. a first air guide opening; 2112. a second air guide opening; 22. a first connecting flange; 23. a second connecting flange; 24. a drain hole; 25. a floor section; 26. a left plate section; 27. a right plate section;

100. a mounting member; 200. avoiding the space.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second" and "third" may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to 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 meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

The embodiment of the utility model provides a gas water heater, as shown in fig. 1-4, gas water heater includes box 1 and aviation baffle 2. The box 1 includes backplate 11, and backplate 11 is provided with a plurality of fresh air inlets 111, and fresh air inlet 111 communicates the inside of box 1, and in the outside air passed through fresh air inlet 111 and got into box 1, for the gas combustion in the combustion chamber provides the secondary and supplyes the air to improve combustion efficiency. The back plate 11 can be connected to the mounting member 100, the mounting member 100 refers to a structure for mounting the gas water heater, and the mounting member 100 can be a wall, a decoration panel, and the like, which is not limited in this embodiment. The air deflector 2 is arranged on the outer side of the box body 1 and connected to the back plate 11, an air inlet cavity channel 21 is formed between the air deflector 2 and the back plate 11, an air guide opening 211 is formed in the air inlet cavity channel 21, the air guide opening 211 faces upwards and is flush with the top of the box body 1, and the air inlet cavity channel 21 is communicated with the air inlet hole 111. External air enters the air inlet cavity channel 21 through the air guide opening 211, flows along the air inlet cavity channel 21, and finally enters the box body 1 through the air inlet hole 111 to provide secondary supplementary air for the combustion chamber; the propagation path of the noise is just opposite to the propagation path of the noise, as shown in fig. 2, the arrow in the figure is the flowing direction of the noise, the noise in the box body 1 enters the air inlet cavity channel 21 through the air inlet hole 111, flows along the air inlet cavity channel 21 and is reflected back and forth in the air inlet cavity channel 21, finally is discharged through the upward air guide port 211 and is discharged to the upper space of the gas water heater without being reflected by the back wall, and the noise entering human ears is greatly reduced.

The gas water heater of the embodiment of the utility model adopts a passive noise reduction mode, the air guide port 21 of the air inlet cavity channel 21 is arranged upwards, the air inlet cavity channel 21 plays an upper air inlet effect on one hand, secondary air for combustion is supplemented for a combustion chamber, the space above the box body 1 is wide, and compared with a side air inlet or bottom air inlet structure, the air guide port 21 arranged upwards can guide more air and enter the air inlet cavity channel 21 more quickly; the air inlet cavity way 21 on the other hand plays the effect of arranging on the noise, through the guide of air inlet cavity way 21 to sound, makes the noise in the box 1 upwards propagate through wind-guiding mouth 21, and wind-guiding mouth 211 just upwards just with the top parallel and level of box 1, guarantees that the noise does not pass through the reflection of installed parts 100 such as back wall body completely, has greatly reduced the noise that gets into the people's ear. The structure is simple, the gas water heater is not limited by the space in the box body 1, the gas water heater is suitable for various different models, and the noise reduction cost is low.

Preferably, the air inlet holes 111 are arranged in a matrix and are disposed at the bottom of the air inlet channel 21. The embodiment of the utility model provides an in, the shape of fresh air inlet 111 has the rectangular hole of semicircle for both sides, and a plurality of fresh air inlet 111 distribute the arrangement that is two rows of four lines, and the air inlet is comparatively even. In other embodiments, the shape and number of the air inlet holes 111 are not limited to the embodiment, and are designed according to the air inlet requirement of the gas water heater.

Preferably, the air deflector 2 protrudes towards a side facing away from the back plate 11 to form an air inlet channel 21. The air deflector 2 can be made of plastic or metal, the protruding shape of the air deflector 2 can be formed by plastic injection molding or sheet metal stamping, and the processing mode is simpler.

Preferably, the air guiding plate 2 is provided with a first connecting flange 22, the first connecting flange 22 is arranged on the periphery of the air guiding plate 2, and the first connecting flange 22 is used for connecting the back plate 11. Screws (not shown) penetrate through the first connecting flange 22 and are screwed with the box body 1 to realize the connection of the air deflector 2 and the box body 1. The first connecting flange 22 has a certain width, the length of the first connecting flange extends along the periphery of the air deflector 2, and the first connecting flange 22 can be attached to the box body 1, so that the sealing performance of the air inlet cavity channel 21 is ensured, and sound is prevented from leaking from other positions of the air inlet cavity channel 21.

As preferred scheme, aviation baffle 2 includes inside interconnected bottom plate section 25, left board section 26 and right board section 27, and left board section 26 and right board section 27 are located the both ends of bottom plate section 25 respectively, enclose between bottom plate section 25, left board section 26 and the right board section 27 and dodge space 200, dodge space 200 and can dodge the protruding structure on backplate 11, satisfy gas heater's structural requirement, and the function is more diversified. The air guiding opening 211 comprises a first air guiding opening 2111 and a second air guiding opening 2112, the first air guiding opening 2111 is disposed at the top end of the left plate section 26, and the second air guiding opening 2112 is disposed at the top end of the right plate section 27, so that the propagation path of sound can be extended, and the decibel of noise transmitted through the air guiding opening 211 can be further reduced.

Furthermore, the air inlet holes 111 are correspondingly disposed in the bottom plate section 25, as shown in fig. 4, where L is the length of the bottom plate section 25. The external air enters the left plate section 26 through the first air guiding opening 2111, enters the right plate section 27 through the second air guiding opening 2112, and finally enters the air inlet holes 111 in the bottom plate section 25, wherein the arrow in the figure is the air flowing direction. Therefore, the air inlet hole 111 does not directly align with the first air guide opening 2111 and the second air guide opening 2112, the flowing path of the sound transmitted out through the air inlet hole 111 is longer, the reflection stroke is also longer, the noise weakening effect is increased, and the noise reduction effect is improved.

Preferably, the bottom plate section 25 is arranged transversely, and the left plate section 26 and the right plate section 27 are arranged vertically, as shown in fig. 4, that is, the air guiding plate 2 is arranged in a U shape. It can be understood that, compared with the arc-shaped cavity, the side wall of the linearly extending bottom plate section 25 is a straight edge, so that the length of the bottom plate section 25 is longer, the reflection stroke of the noise in the bottom plate section 25 is also longer, the noise loss is further improved, and the decibel of the noise discharged by the air guide opening 211 is further reduced.

Preferably, as the U-shaped air guiding plate 2, the air guiding plate 2 is further provided with a second connecting flange 23, the second connecting flange 23 is arranged on the inner periphery of the air guiding plate 2, and the second connecting flange 23 is used for connecting the back plate 11. The second connecting flange 23 has a certain width, the length of the second connecting flange extends along the inner periphery of the air deflector 2, the second connecting flange 23 can be attached to the box body 1, the sealing performance of the air inlet cavity channel 21 is guaranteed, and sound leakage from other positions of the air inlet cavity channel 21 is avoided.

Preferably, the air deflector 2 is further provided with a water drainage hole 24, the water drainage hole 24 is arranged at the bottom of the air deflector 2, and the water drainage hole 24 is communicated with the air inlet cavity channel 21. The gas water heater needs to be subjected to a spraying test before leaving a factory so as to verify the sealing and waterproof performance of the gas water heater. The spray water can enter the air inlet cavity channel 21 through the air inlet hole 111, and can be discharged through the water outlet hole 24, so that the spray water in the air inlet cavity channel 21 is prevented from being accumulated in the air inlet cavity channel 21, and the spray water enters the box body 1 through the air inlet hole 111, and the faults that the gas water heater cannot be ignited and the like are avoided. Specifically, as shown in fig. 3, a plurality of water discharge holes 24 are provided, and the plurality of water discharge holes 24 are uniformly spaced along the bottom of the air deflector 2 to ensure the balance of the water discharge function and prevent the shower water from accumulating in the corners of the air inlet channel 21. The diameter of the drain hole 24 is not more than 6mm, the drain hole 24 with the diameter of 6mm is proper in size, too large diameter can cause too much noise to be discharged through the drain hole 24, the guiding effect of the air inlet cavity channel 21 on the noise is reduced, and too small diameter can cause that spray water can not be smoothly discharged out of the air inlet cavity channel 21.

In the detailed description of the above embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the above technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The detailed description of the above embodiments only expresses several embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Gas heater, its characterized in that includes:

the refrigerator comprises a refrigerator body (1), wherein the refrigerator body (1) comprises a back plate (11), the back plate (11) is provided with a plurality of air inlet holes (111), the air inlet holes (111) are communicated with the inside of the refrigerator body (1), and the back plate (11) can be connected to a mounting piece (100);

the air guide plate (2) is arranged on the outer side of the box body (1) and connected to the back plate (11), an air inlet cavity channel (21) is formed between the air guide plate (2) and the back plate (11), an air guide opening (211) is formed in the air inlet cavity channel (21), the air guide opening (211) is arranged upwards and is flush with the top of the box body (1), and the air inlet cavity channel (21) is communicated with the air inlet hole (111).

2. The gas water heater according to claim 1, wherein a plurality of said air inlet holes (111) are arranged in a matrix and are disposed at the bottom of said air inlet channel (21).

3. Gas water heater according to claim 1, characterized in that the air deflector (2) projects towards the side facing away from the back plate (11) to form the air inlet channel (21).

4. Gas water heater according to claim 1, wherein the air deflector (2) is provided with a first connecting flange (22), the first connecting flange (22) being provided at the periphery of the air deflector (2), the first connecting flange (22) being used for connecting the back plate (11).

5. The gas water heater according to any one of claims 1-4, characterized in that the air deflector (2) comprises a bottom plate section (25), a left plate section (26) and a right plate section (27) which are communicated with each other, the left plate section (26) and the right plate section (27) are respectively arranged at two ends of the bottom plate section (25), and an avoiding space (200) is enclosed among the bottom plate section (25), the left plate section (26) and the right plate section (27); the air guide opening (211) comprises a first air guide opening (2111) and a second air guide opening (2112), the first air guide opening (2111) is arranged at the top end of the left plate section (26), and the second air guide opening (2112) is arranged at the top end of the right plate section (27).

6. The gas water heater according to claim 5, characterized in that said air inlet openings (111) are provided in correspondence of said floor section (25).

7. Gas water heater according to claim 5, characterized in that the bottom plate section (25) is in a transversal arrangement, the left plate section (26) and the right plate section (27) are in a vertical arrangement.

8. Gas water heater according to any one of claims 1-4, characterized in that the air deflector (2) is further provided with a second connecting flange (23), the second connecting flange (23) being provided at the inner periphery of the air deflector (2), the second connecting flange (23) being used for connecting the back plate (11).

9. The gas water heater according to any one of claims 1 to 4, characterized in that the air deflector (2) is further provided with a drain hole (24), the drain hole (24) is arranged at the bottom of the air deflector (2), and the drain hole (24) is communicated with the air inlet channel (21).

10. The gas water heater of claim 9, characterized in that the drain hole (24) is provided in plurality, the drain holes (24) are evenly spaced along the bottom of the air deflector (2), and the diameter of the drain hole (24) is not more than 6mm.