CN217423633U

CN217423633U - Noise reduction device and gas water heater comprising same

Info

Publication number: CN217423633U
Application number: CN202221364452.4U
Authority: CN
Inventors: 范天星
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-13
Anticipated expiration: 2032-05-31

Abstract

The utility model provides a noise reduction device and a gas water heater comprising the same, wherein the noise reduction device comprises a shell and a silencing piece, the shell is provided with a first side wall provided with a through hole, and the first side wall is used for forming at least one side wall of an airflow channel; the silencing piece is embedded into the shell, a silencing cavity is formed between the silencing piece and the shell, and the silencing cavity is communicated with the through hole. The utility model provides a device of making an uproar falls in its use, the air current passes through the through-hole entering casing on the casing and the amortization chamber between the amortization piece, reduces the noise that the air current produced, reduces the propagation of sound energy.

Description

Noise reduction device and gas water heater comprising same

Technical Field

The utility model relates to a device of making an uproar and contain its gas heater falls.

Background

The domestic gas water heater is a common hot water supply device in daily life, has the advantages of quick hot water discharge, constant water temperature, less scale formation, small occupied area, no water quantity control and the like, and is deeply favored by consumers. However, the gas water heater generates relatively large noise in the using process, which causes trouble to users.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a fall the device of making an uproar and contain its gas heater in order to overcome among the prior art gas heater can produce the defect of great noise in its use.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides a device of making an uproar falls, it includes to fall the device of making an uproar:

the air conditioner comprises a shell, a first air inlet and a second air inlet, wherein the shell is provided with a first side wall provided with a through hole, and the first side wall is used for forming at least one side wall of an air flow channel;

the silencing piece is embedded into the shell, a silencing cavity is formed between the silencing piece and the shell, and the silencing cavity is communicated with the through hole.

In this scheme, adopt above-mentioned structural style, the air current passes through the through-hole entering casing on the casing and the amortization chamber between the amortization piece to reduce the noise that the air current produced, reduce the propagation of sound energy.

Preferably, a groove communicated with the through hole is formed in the side wall of the silencing piece, and the silencing cavity is formed by enclosing the groove and the first side wall.

In this scheme, adopt above-mentioned structural style, form the amortization chamber between the recess of seting up on through the amortization piece and the first side wall of casing, the processing of being convenient for saves material, and then reduction in production cost.

Preferably, along the length direction of the groove, the number of the through holes is multiple;

or, along the width direction of the groove, the number of the through holes is multiple.

In this scheme, adopt above-mentioned structural style, the air current gets into the amortization chamber through a plurality of through-holes, further improves the noise reduction effect.

Preferably, the number of the grooves is plural along the length direction of the airflow passage.

In this scheme, adopt above-mentioned structural style, the device of making an uproar falls has a plurality of amortization chambeies, and the noise reduction effect is better, and simple structure, the processing of being convenient for.

Preferably, a plurality of the grooves are uniformly distributed.

Preferably, the silencing piece is made of silencing materials.

In the scheme, the structure is adopted, the sound emitted from the air inlet is absorbed through the silencing material, namely the sound emitted by the air flow in the air flow channel is absorbed, and the noise generated by the air flow is further reduced.

Preferably, the shell is a tubular sheet metal part, and the silencing part is accommodated in the tubular sheet metal part.

In this scheme, adopt above-mentioned structural style, place the casing in the amortization piece in, the space sets up rationally, in addition, the casing is made through sheet metal processing technology, the processing of being convenient for.

The utility model also provides a gas heater for install on the wall body, gas heater include the gas heater body and as above fall the device of making an uproar, fall the device of making an uproar with the gas heater body with the wall body encloses to close and forms airflow channel.

Preferably, the number of the noise reduction devices is multiple.

In this scheme, adopt above-mentioned structural style, fall and make an uproar through a plurality of noise reduction devices, further reduce the noise.

Preferably, two opposite side walls of the noise reduction device are respectively connected with the wall body and the gas water heater body, two sides of the air flow channel are respectively provided with one or more noise reduction devices, and openings at two ends of the air flow channel are respectively positioned above and below the gas water heater body.

In this scheme, adopt above-mentioned structural style, wall body and gas heater body are hugged closely respectively to two lateral walls of the device of making an uproar of falling for fall and open about, control confined space between the device of making an uproar, wall body and the gas heater body, in order to form a circulation of air, inside the air current got into the gas heater body from two upper and lower entries, increased the propagation path of sound, sound reduction, gas heater in the combustion process, can reach the purpose of making an uproar of falling, thereby improve user experience nature.

The utility model discloses an actively advance the effect and lie in:

the utility model provides a device of making an uproar falls in its use, the air current passes through the through-hole entering casing on the casing and the amortization chamber between the amortization piece, reduces the noise that the air current produced, reduces the propagation of sound energy.

Drawings

Fig. 1 is a schematic structural view of a noise reduction device according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of another angle of the noise reduction device according to the preferred embodiment of the present invention.

Fig. 3 is a schematic partial structure diagram of a noise reduction device according to a preferred embodiment of the present invention.

Fig. 4 is an installation diagram of the noise reduction device according to the preferred embodiment of the present invention.

Description of reference numerals:

noise reduction device 1

Housing 11

First side wall 111

Through-hole 1111

Silencing element 12

Groove 121

Silencing chamber 13

Gas water heater body 2

Wall 3

Air flow channel 4

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

The embodiment of the present invention provides a noise reduction apparatus 1, please refer to fig. 1 to fig. 3 at the same time. The noise reduction device 1 comprises a housing 11 and a noise reduction part 12, wherein the housing 11 is provided with a first side wall 111 with a through hole 1111, the first side wall 111 is used for forming at least one side wall of the airflow channel 4, namely the first side wall 111 faces the airflow channel 4, the noise reduction part 12 is embedded in the housing 11, a noise reduction cavity 13 is formed between the noise reduction part 12 and the housing 11, and the noise reduction cavity 13 is communicated with the through hole 1111. The air flow enters the silencing cavity 13 between the shell 11 and the silencing piece 12 through the through hole 1111 on the shell 11, so that the noise generated by the air flow is reduced, and the transmission of sound energy is reduced. The noise reduction device 1 in the embodiment can be applied to a gas water heater, so that the noise generated by airflow in the use process of the gas water heater is reduced.

In the present embodiment, as shown in fig. 2 and 3, the side wall of the sound deadening member 12 is opened with a groove 121 communicating with the through hole 1111, and the sound deadening chamber 13 is formed by the groove 121 and the first side wall 111. The silencing cavity 13 is formed between the groove 121 formed on the silencing piece 12 and the first side wall 111 of the shell 11, so that the processing is convenient, the material is saved, and the production cost is reduced. In this case, the housing 11 and the silencer 12 together form a helmholtz resonator.

Of course, in other embodiments, a protruding portion protruding away from the silencer 12 may be disposed in the first sidewall 111, and the through hole 1111 opens on the protruding portion and communicates with the silencer 12, and a silencing cavity is defined between the protruding portion and the silencer 12.

In the present embodiment, as shown in fig. 2, the number of the through holes 1111 is plural along the length direction of the groove 121. Alternatively, the number of the through holes 1111 is plural along the width direction of the groove 121. The air current enters the silencing cavity 13 through the through holes 1111, and the noise reduction effect is further improved.

Preferably, along the length direction of the groove 121, a plurality of through holes 1111 are uniformly distributed; along the width direction of the groove 121, a plurality of through holes 1111 are uniformly distributed.

As shown in fig. 2, the number of the grooves 121 is plural along the length direction of the airflow passage 4. Correspondingly, along the length direction of the airflow channel 4, the noise reduction device 1 is provided with a plurality of silencing cavities 13, so that the noise reduction effect is better, the structure is simple, and the processing is convenient. Preferably, the plurality of grooves 121 are evenly distributed.

Specifically, the diameter of the through-holes 1111 is 4mm, and the number of the through-holes 1111 is 4 along the length direction of the groove 121; the number of the through-holes 1111 is 3 along the width direction of the groove 121. Along the length of the airflow passage 4, the number of the grooves 121 is 9, the length of each groove 121 is 30mm, and the distance between each groove 121 is 30 mm.

Of course, in other embodiments, the number of the grooves 121 is plural along the width direction of the airflow passage 4. Alternatively, the number of the grooves 121 is plural along the length direction and the width direction of the airflow passage 4, respectively.

The silencing member 12 is made of a silencing material, and the silencing material absorbs sound emitted from the air inlet, that is, sound emitted from the air flow in the air flow passage, so as to further reduce noise generated by the air flow. Wherein, the sound attenuation material can adopt polyurethane foam, polystyrene perlite, slag wool and the like.

As shown in fig. 3, the housing 11 is a tubular sheet metal part, the inside of which accommodates the noise deadening member 12. The silencing piece 12 is arranged in the shell 11, the space is reasonably arranged, and in addition, the shell 11 is processed by a sheet metal process, so that the processing is convenient.

The embodiment of the utility model provides a gas heater is still provided for install on wall body 3, as shown in fig. 4, gas heater includes gas heater body 2 and as above arbitrary embodiment fall device 1 of making an uproar, fall device 1 of making an uproar and enclose with gas heater body 2 and wall body 3 and close and form airflow channel 4.

The number of the noise reduction devices 1 is plural, and noise is reduced by the plural noise reduction devices 1, thereby further reducing noise.

As shown in fig. 4, two opposite side walls of the noise reducer 1 are respectively connected to the wall 3 and the gas water heater body 2, two sides of the air flow channel 4 are respectively provided with one or more noise reducers 1, and openings at two ends of the air flow channel 4 are respectively located above and below the gas water heater body 2. Two lateral walls of the noise reduction device 1 are tightly attached to the wall body 3 and the gas water heater body 2 respectively, so that a space which is open from top to bottom and closed from left to right is formed among the noise reduction device 1, the wall body 3 and the gas water heater body 2, an airflow channel is formed, airflow enters the gas water heater body 2 from the upper inlet and the lower inlet, the propagation path of sound is increased, the sound is reduced, the gas water heater can achieve the purpose of noise reduction in the combustion process, and the user experience is improved.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A noise reducing device, comprising:

2. The noise reducer according to claim 1, wherein a groove communicating with the through hole is formed in a side wall of the silencer, and the silencing cavity is defined by the groove and the first side wall.

3. The noise reducer according to claim 2, wherein the number of the through holes is plural along the length direction of the groove;

4. The noise reducer according to claim 2, wherein the number of the grooves is plural along the length direction of the airflow passage.

5. The noise reduction device of claim 4, wherein the plurality of grooves are evenly distributed.

6. The noise reducer of claim 1, wherein the sound attenuating element is a sound attenuating material.

7. A noise reducing device according to any of claims 1-6, wherein the housing is a tubular sheet metal part, the interior of which accommodates the sound damping member.

8. A gas water heater for mounting on a wall, the gas water heater comprising a gas water heater body and a noise reducer as claimed in any one of claims 1 to 7, the noise reducer enclosing the gas water heater body and the wall to form the airflow passage.

9. The gas water heater of claim 8, wherein said noise reducing means is plural in number.

10. The gas water heater of claim 8, wherein two opposite side walls of the noise reducer are respectively connected to the wall and the gas water heater body, one or more noise reducers are respectively disposed on two sides of the air flow channel, and openings at two ends of the air flow channel are respectively located above and below the gas water heater body.