CN204239966U - A kind of refrigerator and the sound-absorbing sleeve pipe for refrigerator - Google Patents
A kind of refrigerator and the sound-absorbing sleeve pipe for refrigerator Download PDFInfo
- Publication number
- CN204239966U CN204239966U CN201420732736.3U CN201420732736U CN204239966U CN 204239966 U CN204239966 U CN 204239966U CN 201420732736 U CN201420732736 U CN 201420732736U CN 204239966 U CN204239966 U CN 204239966U
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- Prior art keywords
- sound
- sleeve pipe
- receiving cavity
- absorbing sleeve
- hole
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- 230000007704 transition Effects 0.000 claims abstract description 43
- 238000013016 damping Methods 0.000 description 7
- 238000005187 foaming Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a kind of refrigerator and the sound-absorbing sleeve pipe for refrigerator, it is characterized in that: attract sleeve pipe to be have the first location wing and the second location wing in the two ends integrated setting of a receiving cavity; The front end of the first location wing has the first positioning hole, and the rear end of the first positioning hole is communicated with the one end with receiving cavity by capillary tube mounting hole; The front end of the second location wing has the second positioning hole, and the rear end of the second positioning hole is communicated with the other end with receiving cavity by transition tube mounting hole; Multiple standing wave hole is evenly had in receiving cavity, on the thin-walled that is positioned at receiving cavity.Sound-absorbing sleeve pipe of the present utility model is used for refrigerator capillary tube and transition tube joint, effectively can eliminate capillary tube and to dam sound, reduction complete machine sound pressure level.
Description
Technical field
The utility model relates to refrigerator refrigeration system, is specifically related to a kind of capillary tube of effectively eliminating and dams the sound-absorbing sleeve pipe of sound.
Background technique
Along with living standard improves and the improvement of living conditions, people require more and more higher to noise of refrigerator.Especially, when night, background noise was lower, too high noise of refrigerator can have influence on normal life and the rest of user, easily causes customer complaint, and then affects brand image.
The capillary tube sound that dams is one of Main Noise Sources of refrigerator, and this sound sharpness is higher, sound inferior quality, more greatly, very easily cause hearer unhappy to the contribution of complete machine sound pressure level.For suppressing capillary tube to dam sound, traditional way wrap up damping clay at capillary tube and transition tube joint, to reach the object of obstruct sound transmission, absorption acoustic energy.Though use damping clay can reduce complete machine sound pressure level, if improper use, easily cause extraordinary noise (abnormal sound), user can be aggravated on the contrary to the complaint of noise of refrigerator problem and complaint; Under cryogenic, damping clay rigidity increases simultaneously, and elasticity reduces, and sound insulation damping is had a greatly reduced quality.
Model utility content
The utility model is intended to solve the deficiency existing for above-mentioned prior art, first object of the present invention is to provide a kind of attraction sleeve pipe can effectively eliminating or reduce capillary tube noise, and second object of the present invention is to provide a kind of refrigerator with this sound-absorbing sleeve pipe.
The utility model is that technical solution problem adopts following technological scheme:
The utility model is used for the sound-absorbing sleeve pipe of refrigerator, and its feature is: described sound-absorbing sleeve pipe is for holding the joint of refrigerator capillary tube and transition tube; Described attraction sleeve pipe has the first location wing and the second location wing in the two ends integrated setting of a receiving cavity;
The front end of described first location wing has the first positioning hole, and the rear end of described first positioning hole is communicated with the one end with receiving cavity by capillary tube mounting hole;
The front end of described second location wing has the second positioning hole, and the rear end of described second positioning hole is communicated with the other end with receiving cavity by transition tube mounting hole;
Multiple standing wave hole is evenly had in described receiving cavity, on the thin-walled that is positioned at described receiving cavity.
Sound-absorbing sleeve pipe of the present utility model, its feature is also: the aperture of described capillary tube mounting hole and the diameter compatible of capillary tube close, and the aperture of described transition tube mounting hole and the diameter compatible of transition tube close.
Described first location wing is equal with the second location wing thickness, and is not less than the twice of transition tube diameter.
The degree of depth of described first positioning hole and described second positioning hole is 1/2 of described first location wing and described second location wing thickness.
The deep equality in each standing wave hole, is not less than 8mm, and the degree of depth in described standing wave hole is the even-multiple of transition tube diameter.
The thickness of the diapire distance receiving cavity outer surface in described standing wave hole is the twice of capillary diameter.
The length of described receiving cavity is not less than four times of transition tube diameter.
Invention further provides a kind of refrigerator, comprise capillary tube and transition tube, its feature is: also comprise above-mentioned sound-absorbing sleeve pipe, the joint of described capillary tube and described transition tube is contained in the receiving cavity of described sound-absorbing sleeve pipe, and described capillary tube stretches out from described capillary tube mounting hole, described transition tube is stretched out from described transition tube mounting hole.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, location wing makes to attract sleeve pipe to be in appropriately correct position, avoids the impact because of foaming liquid to occur the situation of displacement, distortion; And be full of foaming liquid in positioning hole after foaming, effectively cut off the bang path of sound, prevent the outside diffusive transport of sound.
2, receiving cavity is isosceles trapezoid, guarantees that sound-absorbing sleeve pipe is closely connected with capillary tube, transition tube;
3, incident acoustic wave excites air column to-and-fro motion in standing wave hole, part acoustic energy is converted into heat energy and consumes, reaching sound absorption object.When incident sound wave frequency is identical with attracting the natural frequency of sleeve pipe, resonate, air column motion aggravation, amplitude and vibration velocity reach maximum, and damping is also maximum, and sound energy consumption is maximum, and sound absorbing capabilities is best;
4, incident acoustic wave can cause thin-walled to vibrate, and thin-walled vibration overcomes self damping makes part acoustic energy be converted into kinetic energy and consume.When incident sound wave frequency is identical with attracting the natural frequency of sleeve pipe, resonate, wall buckling distortion is maximum, and vibration is the most violent, and acoustic energy consumption is maximum.
5, the utility model effectively can be eliminated capillary tube and to dam sound, reduces complete machine sound pressure level, reduces Customer Complaint and complaint, greatly reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model sound-absorbing sleeve pipe;
Fig. 2 is the optimum configurations schematic diagram of the utility model sound-absorbing sleeve pipe;
Number in the figure: 1a first location wing, 1b second location wing; 2 receiving cavities; 3a first positioning hole; 3b second positioning hole; 4 standing wave holes; 5 thin-walleds; 6a capillary tube mounting hole; 6b transition tube mounting hole.
Embodiment
As shown in Figure 1, the utility model is used for the sound-absorbing sleeve pipe of refrigerator for holding the joint of refrigerator capillary tube and transition tube; Concrete structure is: have the first location wing 1a and the second location wing 1b in the two ends integrated setting of a receiving cavity 2;
The front end of the first location wing 1a has the first positioning hole 3a, and the rear end of the first positioning hole 3a is communicated with the one end with receiving cavity 2 by capillary tube mounting hole 6a;
The front end of the second location wing 1b has the second positioning hole 3b, and the rear end of the second positioning hole 3b is communicated with the other end with receiving cavity 2 by transition tube mounting hole 6b;
Multiple standing wave hole 4 is evenly had in receiving cavity 2, on the thin-walled 5 that is positioned at receiving cavity 2.Incident acoustic wave excites air column to-and-fro motion in standing wave hole, part acoustic energy is converted into heat energy and consumes, reaching sound absorption object.
Being close to for making capillary tube and transition tube attracts internal surface of sleeve pipe to arrange, and matches with the diameter d of capillary tube in the aperture of capillary tube mounting hole 6a, the aperture of transition tube mounting hole 6b and the diameter D approximately equal of transition tube.
As shown in Figure 2, when specifically implementing, the thickness h 1 of the first location wing 1a is equal with the second location wing 1b thickness h 2, and is not less than the twice of transition tube diameter D.The object of such setting is: (1) ensures that the thickness of location wing can not be too little, and enough thickness improves the intensity of sound-absorbing sleeve pipe, avoids the situation occurring that sound-absorbing sleeve pipe is out of shape under the impact of foaming liquid; (2) ensure that the size of positioning hole can not be too little.
The degree of depth of the first positioning hole 3a and the second positioning hole 3b is 1/2 of the first location wing 1a and the second location wing 1b thickness.The object of such setting is: (1) ensures that positioning hole has certain degree of depth, and such foaming liquid can effectively prevent sound from revealing after entering positioning hole solidification; (2) improve the intensity of sound-absorbing sleeve pipe, avoid the situation occurring that sound-absorbing sleeve pipe is out of shape under the impact of foaming liquid.
The deep equality in each standing wave hole 4, is not less than 8mm, and the degree of depth in standing wave hole 4 is the even-multiple of transition tube diameter.Can ensureing that incident sound wave frequency is identical with attracting the natural frequency of sleeve pipe like this, making to resonate, the motion of aggravation air column, amplitude and vibration velocity reach maximum, and damping is also maximum, and sound energy consumption is maximum, and sound absorbing capabilities is best.
The thickness of diapire distance receiving cavity 2 outer surface in described standing wave hole 4 is the twice of capillary diameter.Arranging wall thickness like this can make incident sound wave frequency identical with the natural frequency of sound-absorbing sleeve pipe, and then causes resonance, and wall buckling distortion is maximum, and vibration is the most violent, and acoustic energy consumption is maximum.
The length of receiving cavity 2 is not less than four times of transition tube diameter.The distance of more than four times makes receiving cavity can wrap the solder joint of capillary tube and transition tube joint completely, if too short, not exclusively can reduce sound-absorbing effect because wrapping up.
According to above-mentioned setting, the cross section attracting the receiving cavity of sleeve pipe is isosceles trapezoid, bond length is the thickness of the diapire distance receiving cavity outer surface in the degree of depth+standing wave hole in capillary diameter+standing wave hole, and long edge lengths is the thickness of the diapire distance receiving cavity outer surface in the degree of depth+standing wave hole in transition tube diameter+standing wave hole.
The present embodiment further public affairs has carried out a kind of refrigerator, comprise capillary tube and transition tube, the joint of capillary tube and transition tube is contained in the receiving cavity 2 of above-mentioned sound-absorbing sleeve pipe, and capillary tube stretches out from capillary tube mounting hole 6a, and transition tube is stretched out from transition tube mounting hole 6b.
For 400-500L large refrigerator, its capillary diameter d is 1.8mm, transition tube diameter is 9mm, arrange and attract sleeve pipe to be of a size of: the first location wing and the thick 20mm of the second location wing, receiving cavity length 40mm, location hole depth 10mm, standing wave hole depth 18mm, the thickness of the diapire distance receiving cavity outer surface in standing wave hole is 3.6mm, two waists of receiving cavity and horizontal line angle 6.5 degree.This sound-absorbing sleeve pipe is used in 400-500L large refrigerator capillary tube and transition tube joint, noise source sound pressure level can be reduced 4-6dB (A), and complete machine sound pressure level can be made to reduce 2.38dB (A).
Claims (8)
1. for a sound-absorbing sleeve pipe for refrigerator, it is characterized in that: described sound-absorbing sleeve pipe is for holding the joint of refrigerator capillary tube and transition tube; Described sound-absorbing sleeve pipe has the first location wing (1a) and the second location wing (1b) in the two ends integrated setting of a receiving cavity (2);
The front end of described first location wing (1a) has the first positioning hole (3a), and the rear end of described first positioning hole (3a) is communicated in one end of receiving cavity (2) by capillary tube mounting hole (6a);
The front end of described second location wing (1b) has the second positioning hole (3b), and the rear end of described second positioning hole (3b) is communicated in the other end of receiving cavity (2) by transition tube mounting hole (6b);
Multiple standing wave hole (4) is evenly had in described receiving cavity (2), on the thin-walled (5) that is positioned at described receiving cavity (2).
2. sound-absorbing sleeve pipe according to claim 1, is characterized in that: the described aperture of capillary tube mounting hole (6a) and the diameter compatible of capillary tube close, and the described aperture of transition tube mounting hole (6b) and the diameter compatible of transition tube close.
3. sound-absorbing sleeve pipe according to claim 1, is characterized in that: described first location wing (1a) is equal with the second location wing (1b) thickness, and is not less than the twice of transition tube diameter.
4. sound-absorbing sleeve pipe according to claim 3, is characterized in that:
The degree of depth of described first positioning hole (3a) and described second positioning hole (3b) is 1/2 of described first location wing (1a) and described second location wing (1b) thickness.
5. sound-absorbing sleeve pipe according to claim 1, is characterized in that: the deep equality of each standing wave hole (4), is not less than 8mm, and the degree of depth in described standing wave hole (4) is the even-multiple of transition tube diameter.
6. sound-absorbing sleeve pipe according to claim 1, is characterized in that: the thickness of diapire distance receiving cavity (2) outer surface of described standing wave hole (4) is the twice of capillary diameter.
7. sound-absorbing sleeve pipe according to claim 1, is characterized in that: the length of described receiving cavity (2) is not less than four times of transition tube diameter.
8. a refrigerator, comprise capillary tube and transition tube, it is characterized in that: also comprise the sound-absorbing sleeve pipe in claim 1 ~ 7 described in any one, the joint of described capillary tube and described transition tube is contained in the receiving cavity (2) of described sound-absorbing sleeve pipe, and described capillary tube stretches out from described capillary tube mounting hole (6a), described transition tube is stretched out from described transition tube mounting hole (6b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732736.3U CN204239966U (en) | 2014-11-28 | 2014-11-28 | A kind of refrigerator and the sound-absorbing sleeve pipe for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732736.3U CN204239966U (en) | 2014-11-28 | 2014-11-28 | A kind of refrigerator and the sound-absorbing sleeve pipe for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239966U true CN204239966U (en) | 2015-04-01 |
Family
ID=52769464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420732736.3U Active CN204239966U (en) | 2014-11-28 | 2014-11-28 | A kind of refrigerator and the sound-absorbing sleeve pipe for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051297A (en) * | 2015-04-02 | 2016-10-26 | 费希尔控制产品国际有限公司 | Modal attenuator |
-
2014
- 2014-11-28 CN CN201420732736.3U patent/CN204239966U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051297A (en) * | 2015-04-02 | 2016-10-26 | 费希尔控制产品国际有限公司 | Modal attenuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Changhong MeiLing Limited by Share Ltd Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Hefei Meiling Co., Ltd. |
|
| CP03 | Change of name, title or address |