CN203910264U - Household appliance composite sound insulating plate and dish washing machine having same - Google Patents
Household appliance composite sound insulating plate and dish washing machine having same Download PDFInfo
- Publication number
- CN203910264U CN203910264U CN201420294870.XU CN201420294870U CN203910264U CN 203910264 U CN203910264 U CN 203910264U CN 201420294870 U CN201420294870 U CN 201420294870U CN 203910264 U CN203910264 U CN 203910264U
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- Prior art keywords
- sound insulation
- sound
- material layer
- absorbing material
- household electrical
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- Expired - Lifetime
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- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000004851 dishwashing Methods 0.000 title claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 71
- 239000011358 absorbing material Substances 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 6
- 239000008397 galvanized steel Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model is suitable for the technical field of household appliance sound insulation, and provides a household appliance composite sound insulating plate and a dish washing machine having the same. The household appliance composite sound insulating board includes a sound insulating substrate, a micropunch plate and a porous sound absorbing material layer. One face of the porous sound absorbing material layer is connected with the sound insulating substrate while the other face is arranged at a distance away from the micropunch plate. An air layer is arranged between the porous sound absorbing material layer and the micropunch plate. Multiple hole sites are disposed in the micropunch plate. The dish washing machine includes a chassis. The household appliance composite sound insulating plate is connected with the chasiss with the sound insulating substrate facing the outside of the chassis and the micropunch plate facing the inside of the chassis. The household appliance composite sound insulating plate and the dish washing machine having the same generate little noise, and can help to effectively eliminate noise and bring better user experience effects.
Description
Technical field
The utility model belongs to household electrical appliances sound insulation technical field, relates in particular to a kind of household electrical appliances composite sound insulation board and has the dish-washing machine of this household electrical appliances composite sound insulation board.
Background technology
In prior art, the common sound panel of dish-washing machine is a kind of parts that can isolate dish-washing machine noise under most of occasions, is generally all designed to slab structure, and its material majority forms with galvanized steel plain sheet.Because dish-washing machine sound panel is normally assemblied between dish-washing machine chassis and inner bag, washing pump and unwatering pump are assemblied in the inside on chassis, the radio-frequency head branch of the washing pump of being come by inside chassis biography and the airborne noise of unwatering pump is cut off by sound panel, major part has been kept inside chassis, but Middle and low frequency noise still can go out noise transmission through sound panel, causes the increase of dish-washing machine overall noise.Common sound panel of the prior art in dish-washing machine chassis, wash pump noise but to put effect very limited, particularly when the noise accounting of washing pump institute's radiation under its operating frequency is heavy when larger, this situation can be more serious, directly can affect user's sound impression and the limit value of noise, product noise is large, and user's experience effect is poor.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of household electrical appliances composite sound insulation board is provided and has had the dish-washing machine of this household electrical appliances composite sound insulation board, and its product noise is little, and user's experience effect is good.
The utility model is achieved in that a kind of household electrical appliances composite sound insulation board, comprise sound insulation substrate, also comprise microperforated panel and poriness sound-absorbing material layer, the one side of described poriness sound-absorbing material layer is connected in described sound insulation substrate, spacing setting between the another side of described poriness sound-absorbing material layer and described microperforated panel, between described poriness sound-absorbing material layer and described microperforated panel, there is air layer, on described microperforated panel, be provided with position, a plurality of hole.
Alternatively, described household electrical appliances composite sound insulation board also comprises the support member being arranged between described sound insulation substrate and described microperforated panel, and the one side of described support member is joined with described sound insulation substrate, and the another side of described support member and described microperforated panel sound insulation substrate join.
Alternatively, described poriness sound-absorbing material layer and described microperforated panel one side in opposite directions, vertical with the axis of position, described hole.
Alternatively, described microperforated panel is micropunch steel plate, and position, described hole is rounded.
Alternatively, described sound insulation substrate is metal sound insulation substrate.
Alternatively, described sound insulation substrate is galvanized steel plain sheet.
Alternatively, described poriness sound-absorbing material layer is adhered to described sound insulation substrate.
Alternatively, described poriness sound-absorbing material layer comprises the different sound absorbing layer of at least two-layer density.
Alternatively, described support member is tabular or strip.
The utility model also provides a kind of dish-washing machine, comprises chassis, described chassis be connected with above-mentioned household electrical appliances composite sound insulation board, and described sound insulation substrate is outside chassis, described microperforated panel is in chassis.
Household electrical appliances composite sound insulation board provided by the utility model and there is the dish-washing machine of this household electrical appliances composite sound insulation board, when sound wave incides microperforated panel surface, some the low and medium frequency noise passing can produce resonance with the natural frequency of microperforated panel, in the process of resonance, becomes thermal energy consumption to dissipate the energy conversion of this part noise.And remaining high-frequency noises can be passed position, hole, incide in poriness sound-absorbing material layer, by poriness sound-absorbing material layer, sponged a part, noise through poriness sound-absorbing material layer finally can be reflected by sound insulation substrate, come back in poriness sound-absorbing material layer and sponged step by step by poriness sound-absorbing material layer, effectively eliminated noise, product noise is little, and user's experience effect is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the diagrammatic cross-section of the household electrical appliances composite sound insulation board that provides of the utility model embodiment;
Fig. 2 is the schematic perspective view of the household electrical appliances composite sound insulation board that provides of the utility model embodiment;
Fig. 3 is the partial schematic diagram of the dish-washing machine that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can be directly on another element or may have centering elements simultaneously.When an element " being connected in " another element of being known as, it can be directly connected to another element or may have centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only that relative concept or the normal operating condition of product of take are reference each other, and should not be regarded as have restrictive.
As depicted in figs. 1 and 2, a kind of household electrical appliances composite sound insulation board that the utility model embodiment provides, can be applicable on the household electrical appliances such as dish-washing machine.Above-mentioned household electrical appliances composite sound insulation board comprises sound insulation substrate 1, microperforated panel 2 and poriness sound-absorbing material layer 4, and sound insulation substrate 1 can be atresia solid slab, such as sheet metal etc., in concrete application, sound insulation substrate 1 can be steel plate, galvanized steel plain sheet for example, and it is thick etc. that its thickness can be 1mm.On described microperforated panel 2, be provided with position, a plurality of hole 201, microperforated panel 2 also can adopt position, a plurality of hole of steel plate punched 201 to form.Poriness sound-absorbing material layer 4 can adopt many intercommunicating pores acoustic damping materials to make, and it has less density, and poriness sound-absorbing material layer 4 can be sponge etc.The one side of described poriness sound-absorbing material layer 4 is connected in described sound insulation substrate 1, and spacing setting between the another side of described poriness sound-absorbing material layer 4 and described microperforated panel 2 has air layer 3 between described poriness sound-absorbing material layer 4 and described microperforated panel 2.Like this, when noise impinges perpendicularly on microperforated panel 2 surfaces, when its position 201, hole through microperforated panel 2, because microperforated panel is the combination of Hai Muhuozhi resonator, therefore can be regarded as the resonator system being formed by quality and spring.When the resonant frequency of incident sound wave frequency and system is consistent, the air of microperforated panel 2 necks produces fierce vibration friction, has strengthened absorption effect, has formed absorption peak, and acoustic energy is significantly decayed; During away from resonant frequency, absorption is less.When placing porous sound-absorbing material layer after microperforated panel 24 increases acoustic resistance, can make structure absorption band widen, produce better noise reduction.So, the low and medium frequency of the noise that passes can produce resonance (scope of resonant frequency can for example, be decided by the architectural feature (position, hole 201 sizes, density) of designed microperforated panel 2) with the natural frequency of microperforated panel 2, in the process of resonance, the energy dissipation of this part noise is fallen.Remaining high-frequency noises can be passed position, hole 201, incide in poriness sound-absorbing material layer 4, by poriness sound-absorbing material layer 4, sponged a part, noise through poriness sound-absorbing material layer 4 finally can be by 1 reflection of sound insulation substrate, come back in poriness sound-absorbing material layer 4 and sponged step by step by poriness sound-absorbing material layer 4, effectively abate the noise, product noise is little, and user's experience effect is good.Through overtesting, household electrical appliances composite sound insulation board provided by the utility model, under the test condition of equal noise configuration, compares with the dish-washing machine that existing common sound panel is installed, and at least can reduce noise 1～3dB (A).
Particularly, as depicted in figs. 1 and 2, described household electrical appliances composite sound insulation board also comprises the support member 5 being arranged between described sound insulation substrate 1 and described microperforated panel 2, and the thickness of support member 5 is greater than the thickness of poriness sound-absorbing material layer 4.The one side of described support member 5 is joined with described sound insulation substrate 1, and the another side of described support member 5 and described microperforated panel 2 sound insulation substrates 1 join.
Particularly, as depicted in figs. 1 and 2, described poriness sound-absorbing material layer 4 and described microperforated panel 2 one side in opposite directions, vertical with the axis of position, described hole 201, to improve sound-absorbing effect.
Particularly, described microperforated panel 2 is micropunch steel plate, and position, described hole 201 can be rounded or polygon etc.
Alternatively, described sound insulation substrate 1 is metal sound insulation substrate, and its reflecting effect is good.
Particularly, described poriness sound-absorbing material layer 4 can be adhered to described sound insulation substrate 1, and its assembling process is simple.
Particularly, described poriness sound-absorbing material layer 4 can comprise the different sound absorbing layer of at least two-layer density, to absorb the noise of different frequency.The poriness sound-absorbing material layer 4 that certainly, also can adopt same acoustical material to make.
Particularly, as depicted in figs. 1 and 2, described support member 5 is tabular or strip, and support member 5 can be arranged between the two ends of sound insulation substrate 1, microperforated panel 2, and structural reliability is good.
Household electrical appliances composite sound insulation board provided by the utility model, comprise that sound insulation substrate 1 (generally consists of steel plate, galvanized steel plain sheet for example), the poriness sound-absorbing material layer 4 of moulding (for example: acoustical cotton) and microperforated panel 2 (generally by certain thickness steel plate, formed, the thick galvanized steel plain sheet of 1mm for example), the poriness sound-absorbing material layer 4 of this moulding can be comprised of porous many intercommunicating pores acoustic damping materials, has less density.Microperforated panel 2 is in certain thickness steel plate upper punch, to go out to have the circular hole of certain diameter, and need the noise frequency of noise reduction relevant with the size of circular hole (generally, microperforated panel 2 is applicable to the reduction of Middle and low frequency noise), the frequency that needs in addition noise reduction also with the thickness of microperforated panel 2, after microperforated panel 2, the thickness of air layer 3 and the factors such as quantity (percentage of perforation) of position, hole 201 are relevant, therefore, according to the feature of dish-washing machine noise, can design the microperforated panel 2 having for reducing different frequency noise, during concrete application, those skilled in the art as required sound frequency of noise reduction adjust relevant parameter.
As shown in FIG. 1 to 3, the utility model also provides a kind of dish-washing machine, comprises chassis, in described chassis, be provided with washing pump and unwatering pump, described chassis be connected with above-mentioned household electrical appliances composite sound insulation board, and described sound insulation substrate 1 is outside chassis, described microperforated panel 2 is in chassis, and noise reduction is good.In concrete application, sound insulation substrate 1 can be the chassis lateral wall of dish-washing machine.Fig. 3 is the partial structurtes schematic diagram of dish-washing machine, and in Fig. 3,6 is the direction of washing pump noise transmission, and 7 is the border on dish-washing machine chassis.
Household electrical appliances composite sound insulation board provided by the utility model and there is the dish-washing machine of this household electrical appliances composite sound insulation board, when sound wave incides microperforated panel 2 surface, some the low and medium frequency noise passing can produce resonance with the natural frequency of microperforated panel 2, in the process of resonance, becomes thermal energy consumption to dissipate the energy conversion of this part noise.And remaining high-frequency noises can be passed position, hole 201, incide in poriness sound-absorbing material layer 4, by poriness sound-absorbing material layer 4, sponged a part, noise through poriness sound-absorbing material layer 4 finally can be by 1 reflection of sound insulation substrate, come back in poriness sound-absorbing material layer 4 and sponged step by step by poriness sound-absorbing material layer 4, effectively eliminated noise, product noise is little, and user's experience effect is good.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a household electrical appliances composite sound insulation board, comprise sound insulation substrate, it is characterized in that, also comprise microperforated panel and poriness sound-absorbing material layer, the one side of described poriness sound-absorbing material layer is connected in described sound insulation substrate, spacing setting between the another side of described poriness sound-absorbing material layer and described microperforated panel, has air layer between described poriness sound-absorbing material layer and described microperforated panel, is provided with position, a plurality of hole on described microperforated panel.
2. household electrical appliances composite sound insulation board as claimed in claim 1, it is characterized in that, described household electrical appliances composite sound insulation board also comprises the support member being arranged between described sound insulation substrate and described microperforated panel, the one side of described support member is joined with described sound insulation substrate, and the another side of described support member and described microperforated panel sound insulation substrate join.
3. household electrical appliances composite sound insulation board as claimed in claim 1, is characterized in that, described poriness sound-absorbing material layer and described microperforated panel one side are in opposite directions vertical with the axis of position, described hole.
4. household electrical appliances composite sound insulation board as claimed in claim 1, is characterized in that, described microperforated panel is micropunch steel plate, and position, described hole is rounded.
5. the household electrical appliances composite sound insulation board as described in any one in claim 1 to 4, is characterized in that, described sound insulation substrate is metal sound insulation substrate.
6. the household electrical appliances composite sound insulation board as described in any one in claim 1 to 4, is characterized in that, described sound insulation substrate is galvanized steel plain sheet.
7. the household electrical appliances composite sound insulation board as described in any one in claim 1 to 4, is characterized in that, described poriness sound-absorbing material layer is adhered to described sound insulation substrate.
8. the household electrical appliances composite sound insulation board as described in any one in claim 1 to 4, is characterized in that, described poriness sound-absorbing material layer comprises the different sound absorbing layer of at least two-layer density.
9. household electrical appliances composite sound insulation board as claimed in claim 2, is characterized in that, described support member is tabular or strip.
10. a dish-washing machine, comprises chassis, it is characterized in that, described chassis be connected with household electrical appliances composite sound insulation board as described in any one in claim 1 to 9, and described sound insulation substrate is outside chassis, described microperforated panel is in chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294870.XU CN203910264U (en) | 2014-06-04 | 2014-06-04 | Household appliance composite sound insulating plate and dish washing machine having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294870.XU CN203910264U (en) | 2014-06-04 | 2014-06-04 | Household appliance composite sound insulating plate and dish washing machine having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910264U true CN203910264U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420294870.XU Expired - Lifetime CN203910264U (en) | 2014-06-04 | 2014-06-04 | Household appliance composite sound insulating plate and dish washing machine having same |
Country Status (1)
| Country | Link |
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| CN (1) | CN203910264U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957513A (en) * | 2016-04-29 | 2016-09-21 | 重庆长安汽车股份有限公司 | Plate-type broadband sound insulation component |
| CN106367924A (en) * | 2016-08-26 | 2017-02-01 | 珠海格力电器股份有限公司 | Noise reduction structure and method of washing machine and washing machine |
| CN106467067A (en) * | 2016-05-04 | 2017-03-01 | 徐工集团工程机械有限公司 | Muffling unit and engineering truck |
| CN107854099A (en) * | 2017-12-12 | 2018-03-30 | 芜湖广盈实业有限公司 | A kind of dish-washing machine external door and preparation method thereof |
| CN108413516A (en) * | 2018-04-23 | 2018-08-17 | 青岛海信日立空调系统有限公司 | A kind of compressor blimp, compressor and air-conditioner outdoor unit |
| DE102018221149A1 (en) * | 2018-12-06 | 2020-06-10 | BSH Hausgeräte GmbH | Home appliance |
-
2014
- 2014-06-04 CN CN201420294870.XU patent/CN203910264U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957513A (en) * | 2016-04-29 | 2016-09-21 | 重庆长安汽车股份有限公司 | Plate-type broadband sound insulation component |
| CN106467067A (en) * | 2016-05-04 | 2017-03-01 | 徐工集团工程机械有限公司 | Muffling unit and engineering truck |
| CN106467067B (en) * | 2016-05-04 | 2019-09-24 | 徐工集团工程机械有限公司 | Muffling unit and engineering truck |
| CN106367924A (en) * | 2016-08-26 | 2017-02-01 | 珠海格力电器股份有限公司 | Noise reduction structure and method of washing machine and washing machine |
| CN107854099A (en) * | 2017-12-12 | 2018-03-30 | 芜湖广盈实业有限公司 | A kind of dish-washing machine external door and preparation method thereof |
| CN108413516A (en) * | 2018-04-23 | 2018-08-17 | 青岛海信日立空调系统有限公司 | A kind of compressor blimp, compressor and air-conditioner outdoor unit |
| DE102018221149A1 (en) * | 2018-12-06 | 2020-06-10 | BSH Hausgeräte GmbH | Home appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230417 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311, 26-28, B District, Mei headquarters building, 6 Mei Road, Beijiao Town, Shunde District, Foshan, Guangdong. Patentee before: MIDEA GROUP Co.,Ltd. Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |