CN209512283U - Noise reduction structure of gas water heater - Google Patents
Noise reduction structure of gas water heater Download PDFInfo
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- CN209512283U CN209512283U CN201821749114.6U CN201821749114U CN209512283U CN 209512283 U CN209512283 U CN 209512283U CN 201821749114 U CN201821749114 U CN 201821749114U CN 209512283 U CN209512283 U CN 209512283U
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- metal plate
- noise reduction
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- 230000009467 reduction Effects 0.000 title claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 4
- 239000002184 metal Substances 0.000 claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 57
- 239000003063 flame retardant Substances 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 239000002649 leather substitute Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 19
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a structure of making an uproar falls in gas heater, including shell and heat exchanger, heat exchanger set up in the shell the inside be provided with the device of making an uproar that falls between the heat exchanger, the device of making an uproar falls the layer of making an uproar including at least one deck, each layer fall the layer of making an uproar and all include metal sheet and flexible material a plurality of through-holes have been seted up on the metal sheet, flexible material sets up the metal sheet dorsad heat exchanger on the surface and flexible material covers the through-hole, it falls to make an uproar, noise cancelling effect is good.
Description
Technical field
The utility model relates to gas heater technical field more particularly to a kind of denoising structures of gas heater.
Background technique
As the improvement of people's living standards, the use of gas heater becomes universal, but gas heater is being run
When noise problem also make us perplexing.It is reported that noise requirements when national standard burns to gas heater are no more than 65
Decibel, and the noise issued when the operation of general gas water heater is generally all at 55 decibels or more.If level of noise is too high, Jiu Huiying
Ring the hearing of people.According to medical experiment, statistics indicate that, level of noise is more than 50 decibels, is equivalent to people's declamation, influences normal life；
60-70 decibels are equivalent to station on seething road, and the annoyed meaning of meeting is random, distraction；90 decibels or more with regard to phase
It when in being in noisy bar, and is lived in such noisy environment for a long time, hearing can be seriously affected and lead to cardiac blood
The generation of the other diseases such as pipe.Therefore noise becomes technical problem urgently to be resolved existing for existing gas heater.
In addition, for user when choosing gas heater, increasingly concern is electric with the raising that people require quality of the life
The size of the noise parameters of device, it may be said that the superiority and inferiority of noiseproof feature is a big key factor of product competitiveness.
Utility model content
The utility model one of is intended to solve the problems, such as at least to a certain extent present in existing the relevant technologies, for this purpose,
The utility model proposes a kind of denoising structure of gas heater, noise reductions, good muffling effect.
Above-mentioned purpose is achieved by the following technical solution:
A kind of denoising structure of gas heater, including shell and heat exchanger, the heat exchanger are set to described outer
Inside shell, denoising device is provided between the shell and the heat exchanger, the denoising device includes at least one layer of drop
It makes an uproar layer, each layer noise reduction layer includes metal plate and flexible material, and several through-holes are offered on the metal plate, described
The metal plate is arranged on the surface of the heat exchanger for flexible material and the flexible material covers the through-hole.
In some embodiments, the shell includes the front panel and coaming plate fitted together, and the denoising device is set
It is placed on the inner surface of the front panel.
In some embodiments, the pore size of the through-hole be 1mm to 20mm, the flexible material with a thickness of 1 μ
m-200μm。
In some embodiments, the noise reduction layer includes multilayer, and the aperture of each layer through-hole is along close to heat exchanger
It is gradually decreased to the direction far from exchanger.
In some embodiments, the thickness of each layer flexible material is along close to heat exchanger to the side far from exchanger
To gradually decreasing.
In some embodiments, the noise reduction layer includes three layers, along close to heat exchanger to the side far from heat exchanger
To specifically: internal layer noise reduction layer, middle layer noise reduction layer and outer layer noise reduction layer, wherein the internal layer noise reduction layer include inner layer metal plate and
Flexible material, the middle layer noise reduction layer include middle layer metal plate and flexible material, and the outer layer noise reduction layer includes outer metal plates
And flexible material.
In some embodiments, the aperture of the through-hole of the inner layer metal plate is 12mm to 20mm, is set in described
Layer metal sheet surface on flexible material with a thickness of 100 μm to 200 μm；
The aperture of the through-hole of the middle layer metal plate is 5mm to 12mm, is set to soft in the middle layer metal plate surface
Property material with a thickness of 20 μm to 100 μm；
The aperture of the through-hole of the outer metal plates is 1mm to 5mm, the flexibility being set in the outer layer metal plate surface
Material with a thickness of 2 μm to 20 μm.
In some embodiments, the flexible material is fire-retardant film, fire retardant papers or artificial leather；The flexible material
It between the metal plate is bonded together by glue.
In some embodiments, the cross section of the metal plate is arc-shaped, from towards the heat exchanger side toward back
It is recessed to the heat exchanger side.
In some embodiments, the width of each layer metal plate is along close to heat exchanger to the side far from heat exchanger
To gradually increasing.
In some embodiments, there is prestressing force, prestressing force range is between the metal plate and the flexible material
100-1000pa。
The utility model compared with prior art, at least has the effect that
1, the denoising structure of the gas heater of the utility model can significantly reduce combustion gas by the denoising device added
Generated noise when water heater working improves user experience, promotes product competitiveness.
Other beneficial outcomes of the utility model will be explained in conjunction with attached drawing in a specific embodiment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of gas heater in the utility model embodiment；
Fig. 2 is the stereoscopic schematic diagram of denoising device in the utility model embodiment；
Fig. 3 is the decomposition diagram of denoising device in the utility model embodiment；
Fig. 4 is the top view of denoising device in the utility model embodiment.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Embodiment one: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present embodiment provides a kind of noise reduction knots of gas heater
Structure, including shell 3 and heat exchanger 4, heat exchanger 4 are set to 3 the inside of shell, are provided between shell 3 and heat exchanger 4
Denoising device 1, denoising device 1 include at least one layer of metal plate, and in the present embodiment, noise reduction layer includes three layers, along close to blower
System 4 to far from blower fan system 4 direction specifically: internal layer noise reduction layer, middle layer noise reduction layer and outer layer noise reduction layer, wherein internal layer drop
Layer of making an uproar includes inner layer metal plate 101 and flexible material 2, and middle layer noise reduction layer includes middle layer metal plate 102 and flexible material 2, outer layer
Noise reduction layer includes outer metal plates 103 and flexible material 2, in inner layer metal plate 101, middle layer metal plate 102 and outer metal plates
Several through-holes 100 are offered on 103 respectively, through-hole 100 is uniformly arranged, and flexible material 2 is arranged in metal plate backwards to heat exchanger 4
Surface on and flexible material 2 cover through-hole 100, signified inside and outside direction can be found in Fig. 2 or Fig. 4 in the present embodiment
Direction shown in arrow.
The denoising structure of the gas heater of the present embodiment is absorbed or is eliminated by the denoising device 1 added and handed over by heat
Generated noise when other component work inside parallel operation 4 or gas heater, and then reach significant decrease gas heater
The purpose of generated noise when work improves user experience, promotes product competitiveness.
Specifically, each through-hole 100 of inner layer metal plate 101, middle layer metal plate 102 and outer metal plates 103 and its right
The vestibule air layer answered forms several rows of cavity, when incident acoustic wave frequency is identical with this system frequency,
Hole chamber air will rub and loss sound energy in high vibration generation due to resonance.
In addition, the sound absorption mechanism of ultrathin flexible material is mainly interior damping loss when flexible material 2 makees body vibration, because
And can approximation regard simple mass-spring system as.Acoustic absorptivity is very low in high frequency, resonant frequency usually 200~
Between 2000Hz, maximum acoustic absorptivity is 0.3~0.4.So that the denoising device of the present embodiment have both metal plate sound absorption with
The characteristic of 2 resonance sound-absorbing of flexible material, noise reduction, noise reduction effect are ideal.
In the present embodiment, shell 3 includes the front panel 301 and coaming plate 302 fitted together, and wherein coaming plate 302 includes
Backboard and the side plate for being set to backboard two sides, front panel 301 are connected between the side plate front end of two sides, and denoising device 1 is set to
On the inner surface of front panel 301, in face of the surface of 4 side of heat exchanger, thus the inner surface of front panel 301 specifically refers to
So that denoising device 1 can effectively absorb the noise for being generated and being propagated toward user direction from heat exchanger 4 or other component.
Preferably, the pore size of through-hole 100 be 1mm to 20mm, flexible material 2 with a thickness of 1 μm -200 μm, using this
Kind cooperation can farthest reduce or absorb generated noise when gas water heater working, and that improves user uses body
It tests.
Particularly, noise reduction layer includes multilayer, and the aperture of each layer through-hole 100 is along close to heat exchanger 4 to far from heat exchanger 4
Direction gradually decrease, in the present embodiment, inner layer metal plate 101 compares outer layer than middle layer metal plate 102, middle layer metal plate 102
Metal plate 103 is closer to heat exchanger 4, and the through-hole of the aperture ratio middle layer metal plate 102 of the through-hole 100 of inner layer metal plate 101
100 aperture is big, and the aperture ratio of the through-hole 100 of the aperture ratio outer metal plates 103 of the through-hole 100 of middle layer metal plate 102 is big.
In addition, the thickness of each layer flexible material 2 is gradually decreased along close to heat exchanger 4 to the direction far from heat exchanger 4,
In the present embodiment, flexible material 2 of the thickness of the flexible material 2 on 101 surface of inner layer metal plate than 102 surface of middle layer metal plate
Thickness it is big, the thickness of the flexible material 2 on 102 surface of middle layer metal plate is thicker than the flexible material 2 on 103 surface of outer metal plates
Degree is big.The noise for absorbing low, middle and high frequency can be cooperated by this design, specific size parameter can be according to different gas heater situations
Specific implementation.By be arranged different through-holes 100 aperture and flexible material 2 thickness cooperation come reach absorb full frequency band noise it
Purpose, as far as possible absorption noise reduce noise, improve the usage experience of user.
Specifically, the aperture of the through-hole 100 of inner layer metal plate 101 is 12mm to 20mm, is set to 101 table of inner layer metal plate
Flexible material 2 on face with a thickness of 100 μm to 200 μm；
The aperture of the through-hole 100 of middle layer metal plate 102 is 5mm to 12mm, is set to soft on 102 surface of middle layer metal plate
Property material 2 with a thickness of 20 μm to 100 μm；
The aperture of the through-hole 100 of outer metal plates 103 is 1mm to 5mm, is set to soft on 103 surface of outer metal plates
Property material 2 with a thickness of 2 μm to 20 μm.Through surveying, the sound absorption of this design denoising device, noise reduction effect are ideal, can absorb low
The noise of medium-high frequency effectively improves the usage experience of user, avoids noise from bringing to user and uses upper discomfort.
In the present embodiment, flexible material 2 is fire-retardant film, fire retardant papers or artificial leather, noise reduction, good muffling effect.
Certainly, flexible material 2 can be made of other flexible materials, as long as can reach the purpose of design of the present embodiment.
It preferably, between flexible material 2 and metal plate is bonded together by glue, structure is simple, convenient for soft
Property material 2 installation and fixation, and the flexible material 2 after installing is comparatively firm, is not likely to produce displacement or falls off.?
When adhering to flexible material 2, it is ensured that certain prestressing force to have between metal plate and flexible material 2 and answer in advance with this
Power, prestressing force range is 100-1000pa, to reach preferable noise reduction effect.In the present embodiment, glue is used with fire-retardant
The glue of performance.
Particularly, the cross section of metal plate is arc-shaped, from towards 4 side of heat exchanger toward backwards to 4 side of heat exchanger it is recessed
It falls into and forms, thus can expand the range that denoising device absorbs noise, avoid the noise at sound source from circumventing denoising device and propagate outward,
And then sound-absorbing, the noise reduction effect of denoising device can be effectively improved.
In the present embodiment, each layer metal plate width along close to heat exchanger 4 to far from heat exchanger 4 direction gradually
Increase, specifically in the present embodiment, referring to fig. 4, the width of middle layer metal plate 102 is bigger than the width of inner layer metal plate 101, outer layer
The width of metal plate 103 is bigger than the width of middle layer metal plate 102, and inner layer metal plate 101 is substantially placed in middle layer metal plate 102
Recess is formed by inside arc, and middle layer metal plate 102 is substantially placed in the recess of outer metal plates 103 and is formed by arc
Face can improve sound-absorbing, the noise reduction effect of denoising device with this, promote the usage experience of user, improve the competitiveness of product in market.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical
Novel protection scope.
Claims (11)
1. a kind of denoising structure of gas heater, including shell (3) and heat exchanger (4), the heat exchanger (4) are set to
Inside the shell (3), which is characterized in that be provided with denoising device between the shell (3) and the heat exchanger (4)
(1), the denoising device (1) includes at least one layer of noise reduction layer, and each layer noise reduction layer includes metal plate and flexible material
(2), it is offered on the metal plate several through-holes (100), flexible material (2) setting is in the metal plate backwards to described
On the surface of heat exchanger (4) and the flexible material (2) covers the through-hole (100).
2. a kind of denoising structure of gas heater according to claim 1, which is characterized in that the shell (3) includes
The front panel (301) and coaming plate (302) fitted together, the denoising device (1) are set to the inside of the front panel (301)
On surface.
3. a kind of denoising structure of gas heater according to claim 1, which is characterized in that the through-hole (100)
Pore size be 1mm to 20mm, the flexible material (2) with a thickness of 1 μm -200 μm.
4. a kind of denoising structure of gas heater according to claim 1, which is characterized in that the noise reduction layer includes more
The aperture of layer, each layer through-hole (100) is gradually decreased along close to heat exchanger (4) to the direction far from heat exchanger (4).
5. a kind of denoising structure of gas heater according to claim 4, which is characterized in that each layer flexible material
(2) thickness is gradually decreased along close to heat exchanger (4) to the direction far from heat exchanger (4).
6. a kind of denoising structure of gas heater according to any one of claims 1 to 5, which is characterized in that the noise reduction
Layer includes three layers, along close to heat exchanger (4) to the direction far from heat exchanger (4) specifically: internal layer noise reduction layer, middle layer noise reduction
Layer and outer layer noise reduction layer, wherein the internal layer noise reduction layer includes inner layer metal plate (101) and flexible material (2), the middle layer drop
Layer of making an uproar includes middle layer metal plate (102) and flexible material (2), and the outer layer noise reduction layer includes outer metal plates (103) and flexibility
Material (2).
7. a kind of denoising structure of gas heater according to claim 6, which is characterized in that the inner layer metal plate
(101) aperture of through-hole (100) is 12mm to 20mm, the flexible material being set on the inner layer metal plate (101) surface
(2) with a thickness of 100 μm to 200 μm；
The aperture of the through-hole (100) of the middle layer metal plate (102) is 5mm to 12mm, is set to the middle layer metal plate (102)
Flexible material (2) on surface with a thickness of 20 μm to 100 μm；
The aperture of the through-hole (100) of the outer metal plates (103) is 1mm to 5mm, is set to the outer metal plates (103)
Flexible material (2) on surface with a thickness of 2 μm to 20 μm.
8. a kind of denoising structure of gas heater according to any one of claims 1 to 5, which is characterized in that the flexibility
Material (2) is fire-retardant film, fire retardant papers or artificial leather；
It between the flexible material (2) and the metal plate is bonded together by glue.
9. a kind of denoising structure of gas heater according to any one of claims 1 to 5, which is characterized in that the metal
The cross section of plate is arc-shaped, from being recessed towards the heat exchanger (4) side toward backwards to the heat exchanger (4) side.
10. a kind of denoising structure of gas heater according to claim 9, which is characterized in that each layer metal plate
Width gradually increased along close to heat exchanger (4) to far from the direction of heat exchanger (4).
11. a kind of denoising structure of gas heater according to any one of claims 1 to 5, which is characterized in that the metal
There is prestressing force, prestressing force range is 100-1000pa between plate and the flexible material (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821749114.6U CN209512283U (en) | 2018-10-26 | 2018-10-26 | Noise reduction structure of gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821749114.6U CN209512283U (en) | 2018-10-26 | 2018-10-26 | Noise reduction structure of gas water heater |
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| Publication Number | Publication Date |
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| CN209512283U true CN209512283U (en) | 2019-10-18 |
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| CN201821749114.6U Active CN209512283U (en) | 2018-10-26 | 2018-10-26 | Noise reduction structure of gas water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247892A (en) * | 2021-04-28 | 2022-10-28 | 芜湖美的厨卫电器制造有限公司 | Water heating apparatus, control method of water heating apparatus, and readable storage medium |
-
2018
- 2018-10-26 CN CN201821749114.6U patent/CN209512283U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247892A (en) * | 2021-04-28 | 2022-10-28 | 芜湖美的厨卫电器制造有限公司 | Water heating apparatus, control method of water heating apparatus, and readable storage medium |
| CN115247892B (en) * | 2021-04-28 | 2024-06-11 | 芜湖美的厨卫电器制造有限公司 | Water heating device, control method of water heating device, and readable storage medium |
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