CN103912974A - Multilevel vibration-attenuation multilayer sound insulation structure - Google Patents
Multilevel vibration-attenuation multilayer sound insulation structure Download PDFInfo
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- CN103912974A CN103912974A CN201310004334.1A CN201310004334A CN103912974A CN 103912974 A CN103912974 A CN 103912974A CN 201310004334 A CN201310004334 A CN 201310004334A CN 103912974 A CN103912974 A CN 103912974A
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- vibration
- support plate
- reduction support
- vibration reduction
- attenuation
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Abstract
The invention relates to a multilevel vibration-attenuation multilayer sound insulation structure. The structure comprises a vibratory noise source, a multilevel vibration-attenuation buffer structure, a sound insulation device and the like. A vibratory noise source (1) is flexibly connected with a primary vibration-attenuation support plate (3) through a vibration-attenuation rubber (2), rhe primary vibration-attenuation support plate (3) is flexibly connected with a secondary vibration-attenuation support plate (5) through a vibration-attenuation rubber (4), and the secondary vibration-attenuation support plate (5) is flexibly connected with a shell noise enclosure (7) through a vibration-attenuation rubber (6). An installation base (8) is flexibly connected with the secondary vibration-attenuation support plate (5) through the vibration-attenuation rubber (9), or is flexibly connected with a shell coaming (7) through the vibration-attenuation rubber (9), and an inner sound insulation cover (10) is arranged on the vibration-attenuation support plate. A sound insulation material is arranged on the surfaces of the shell coaming (7) and the inner sound insulation cover (10), and certain gaps are formed between the surfaces of the shell coaming (7) and the inner sound insulation cover (10). According to the structure, vibration attenuation and noise reduction can be effectively realized.
Description
Technical field
The invention belongs to Noise and vibration field, particularly relate to a kind of water source heat pump air-conditioner vibration and noise reducing system.
Background technology
Original water source heat pump units vibration insulating system adopts at most twin-stage, and sound insulation adopts individual layer.Because unit is arranged on indoorly, noise is low especially, and low frequency noise is because penetration capacity is strong especially in addition, and therefore reducing low frequency noise is the important indicator of water source heat pump units.
Original twin-stage damper mechanism vibration-proof structures at different levels are placed in above gripper shoe to be installed, because vibration damping progression is few, vibration source directly passes to gripper shoe by rubber, and gripper shoe passes to shell coaming plate by vibration isolation rubber, and shell coaming plate is arranged on basis by vibration isolation rubber.Because the weight of vibration noise source is born by shell coaming plate entirely, the periodicity momentum of generation of vibration is also passed to shell coaming plate simultaneously, and the intrinsic frequency of shell coaming plate and vibration frequency approach, and is easy to produce resonance.Acting in conjunction by vibration-proof structures at different levels is amplified, can send overcast, intermittently drone, drone, boom, low frequency noise penetration capacity is strong, in certain distance, more can not hear away from more, and this low frequency noise is difficult to eliminate from vibration noise source.
Original technology sound insulation generally adopts individual layer sound panel, also has the double-layer foamed plate sound insulation of employing.Individual layer sound insulation is due to too thin, and sound easily passes, in addition, because noise is encountered sound panel and can be reflected, vibration source also has partial vibration to pass over simultaneously, and sound panel vibration will strengthen, and vibration will produce low frequency noise, therefore, spreading out of the low frequency noise coming can amplify.Double-layer foamed sound panel is because two-ply is fixed together, and two-ply vibrates together, although high frequency noise soundproof effect is better, low frequency noise soundproof effect is poor.
Summary of the invention
The present invention is a kind of multistage vibration damping multiple sound insulation structure, the weight of vibration noise source is passed to basis is installed by vibration-proof structure, and do not need to pass to shell coaming plate, due to being installed, the natural frequency of a foundation and vibration frequency differ larger, and vibration-proof structures at different levels have certain vibration gap, vibration passes to next stage vibration reduction support plate by shoulder bolt and rubber, and therefore the moving free degree of vibration is large, vibration transmission capacity is less, effectively reduces vibration and low frequency noise.
The two-layer sound panel of this structure all adopts floating structure, is soft connection between them, and peripheral sound panel can not directly be passed in the vibration of internal layer sound panel.Noise, by air layer, acoustic material, internal layer sound panel, air layer, acoustic material, outer sound panel, due to the different Transfer Mediums of process, and makes low-and high-frequency sound attenuation larger, reaches the effect of basic elimination low frequency noise.
This structure adopts multistage vibration-proof structure, adopts the double-deck blimp that floats, and vibration damping and sound insulation organically combine, and effectively reduces vibration and reduces noise.
Described multistage vibration damping multiple sound insulation structure, involving vibrations noise source, multistage vibration-proof structure, sound arrester etc.Described vibration noise source (1) is by vibration isolation rubber (2) and the soft connection of one-level vibration reduction support plate (3), one-level vibration reduction support plate (3) is by vibration isolation rubber (4) and the soft connection of secondary vibration reduction support plate (5), and secondary vibration reduction support plate (5) is by vibration isolation rubber (6) and the soft connection of shell coaming plate (7).Basis (8) is installed by vibration isolation rubber (9) and the soft connection of secondary vibration reduction support plate (5), or by vibration isolation rubber (9) and soft being connected of shell coaming plate (7).
Described multistage vibration damping multiple sound insulation structure, it is upper that internal layer blimp (10) is arranged on one-level vibration reduction support plate (3), or be arranged on secondary vibration reduction support plate (5).Internal layer blimp (10) surface is provided with acoustic material, and acoustic material can be glass wool, and PE is rubber-plastic foamed etc.
Described multistage vibration damping multiple sound insulation structure, as shown in Figure 2, one-level vibration reduction support plate (3) and secondary vibration reduction support plate (5) adopt the soft connection of lifting, be connected by vibration isolation rubber (4), shoulder bolt (11), nut (12) and pad (13), after connection, between vibration reduction support plate (3) and secondary vibration reduction support plate (5), there is certain vibration free clearance.
Described multistage vibration damping multiple sound insulation structure, as shown in Figure 2, secondary vibration reduction support plate (5) and shell coaming plate (7) adopt the soft connection of lifting, be connected by vibration isolation rubber (6), shoulder bolt (11), nut (12) and pad (13), after connection, between vibration reduction support plate (5) and secondary vibration reduction support plate (7), there is certain vibration free clearance.
Described secondary vibration reduction support plate (5) and installation basis (8) adopt the soft connection of lifting, or employing is placed in soft installation connection above.
Described shell coaming plate (7) and internal layer blimp (10) can adopt panel beating, plastics, orifice plate or other material.Described internal layer blimp (10) and internal layer blimp (11), except essential line hole, pore etc., adopt sealing sound insulation form.
When described vibration noise source (1) is compressor, pipe arrangement is arranged on internal layer blimp (10) inner space, or is arranged between shell coaming plate (7) and internal layer blimp (10).
Beneficial effect
1. the present invention effectively solves vibration and the noise of water source heat pump air-conditioner.2. the present invention eliminates the low frequency noise of water source heat pump air-conditioner substantially.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present invention.
Fig. 2 is topography enlarged drawing of the present invention.
Fig. 3 is that schematic diagram is transmitted in noise of the present invention and vibration.
Fig. 4 is that the present invention installs the schematic diagram of basis for ground
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1 and Figure 2:
It is upper that vibration noise source (1) is placed on one-level vibration reduction support plate (3) by vibration isolation rubber (2), shoulder bolt (11), forms first order vibration reduction and cushioning mechanism.One-level vibration reduction support plate (3) and secondary vibration reduction support plate (5) adopt the soft connection of lifting, be connected by vibration isolation rubber (4), shoulder bolt (11), nut (12) and pad (13), form second level vibration reduction and cushioning mechanism.Secondary vibration reduction support plate (5) and shell coaming plate (7) adopt the soft connection of lifting, be connected by vibration isolation rubber (6), shoulder bolt (11), nut (12) and pad (13), form multistage vibration reduction and cushioning mechanism.
It is upper that internal layer blimp (10) is arranged on secondary vibration reduction support plate (5), and secondary vibration reduction support plate (5) is fixed together, and is ground floor sound-insulating structure.Shell coaming plate (7) is second layer sound-insulating structure.
As shown in Figure 2, between described vibration reduction support plates at different levels link, have certain vibration free clearance A, gap A is generally 1 ~ 5mm.
Described secondary vibration reduction support plate (5) and installation basis (8) can adopt the soft connection of lifting, also can adopt and be placed in soft installation connection above.
It is upper that described internal layer blimp (10) also can be arranged on one-level vibration reduction support plate (3), and one-level vibration reduction support plate (3) is fixed together.
Set forth the bang path of noise and vibration below with Fig. 3.
As shown in Figure 3, the noise transmission of side (14) is by vibration noise source (1)
air layer
the acoustic material that internal layer blimp (10) surface is laid
internal layer blimp (10)
air layer
the acoustic material that shell coaming plate (7) surface is laid
shell coaming plate (7).
As shown in Figure 3, to noise transmission (14) below by vibration noise source (1)
air layer
one-level vibration reduction support plate (3)
the acoustic material that one-level vibration reduction support plate (3) lays below
air layer
the acoustic material that shell coaming plate (7) surface is laid
shell coaming plate (7).
As shown in Figure 3, vibration transmission one paths is that vibration noise source (1) is transmitted (15) by vibration
one-level vibration reduction support plate (3), then transmit (16) by vibration
secondary vibration reduction support plate (5), then transmit (17) by vibration
shell coaming plate (7).
As shown in Figure 3, another paths of vibration transmission is that vibration noise source (1) is transmitted (15) by vibration
one-level vibration reduction support plate (3), then transmit (16) by vibration
secondary vibration reduction support plate (5), then transmit (18) by vibration
suspension rod nut
suspension rod
basis (8) is installed.
Claims (9)
1. a shock-absorption sound-insulation structure, involving vibrations noise source, multistage vibration reduction and cushioning structure, sound arrester etc.
2. the vibration noise source (1) described in is by vibration isolation rubber (2) and the soft connection of one-level vibration reduction support plate (3), one-level vibration reduction support plate (3) is by vibration isolation rubber (4) and the soft connection of secondary vibration reduction support plate (5), and secondary vibration reduction support plate (5) is by vibration isolation rubber (6) and the soft connection of shell coaming plate (7).
3. basis (8) is installed by vibration isolation rubber (9) and the soft connection of secondary vibration reduction support plate (5), or by vibration isolation rubber (9) and soft being connected of shell coaming plate (7).
4. according to a kind of shock-absorption sound-insulation structure described in claim 1,2, it is upper that internal layer blimp (10) is arranged on secondary vibration reduction support plate (5), or be arranged on one-level vibration reduction support plate (3).
5. internal layer blimp (10) surface is provided with acoustic material.
6. according to a kind of shock-absorption sound-insulation structure described in claim 1,2,3, as shown in Figure 2, one-level vibration reduction support plate (3) and secondary vibration reduction support plate (5) adopt the soft connection of lifting, be connected by vibration isolation rubber (4), shoulder bolt (11), nut (12) and pad (13), after connection, between one-level vibration reduction support plate (3) and secondary vibration reduction support plate (5), there is certain vibration free clearance.
7. according to a kind of shock-absorption sound-insulation structure described in claim 1,2,3, as shown in Figure 2, secondary vibration reduction support plate (5) and shell coaming plate (7) adopt the soft connection of lifting, be connected by vibration isolation rubber (6), shoulder bolt (11), nut (12) and pad (13), after connection, between secondary vibration reduction support plate (5) and shell coaming plate (7), there is certain vibration free clearance.
8. according to a kind of shock-absorption sound-insulation structure described in claim 1,2, secondary vibration reduction support plate (5) and installation basis (8) adopt the soft connection of lifting, or employing is placed in soft installation connection above.
9. when vibration noise source (1) is compressor, pipe arrangement can be arranged on internal layer blimp (10) inner space, also can be arranged between shell coaming plate (7) and internal layer blimp (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004334.1A CN103912974A (en) | 2013-01-07 | 2013-01-07 | Multilevel vibration-attenuation multilayer sound insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004334.1A CN103912974A (en) | 2013-01-07 | 2013-01-07 | Multilevel vibration-attenuation multilayer sound insulation structure |
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| Publication Number | Publication Date |
|---|---|
| CN103912974A true CN103912974A (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310004334.1A Pending CN103912974A (en) | 2013-01-07 | 2013-01-07 | Multilevel vibration-attenuation multilayer sound insulation structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954569A (en) * | 2018-07-30 | 2018-12-07 | 佛山市缘懿科技有限公司 | A kind of low noise outdoor machine of air-conditioner |
| CN109263165A (en) * | 2018-10-26 | 2019-01-25 | 西南交通大学 | A kind of middle low frequency suction vibration isolation metamaterial of multiband selected control |
| CN110088535A (en) * | 2016-12-21 | 2019-08-02 | 三菱电机株式会社 | The assemble method of the outdoor unit of the outdoor unit and air conditioner of air conditioner |
| CN112594812A (en) * | 2020-12-11 | 2021-04-02 | 庞传红 | Step heat pump air conditioning unit |
-
2013
- 2013-01-07 CN CN201310004334.1A patent/CN103912974A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110088535A (en) * | 2016-12-21 | 2019-08-02 | 三菱电机株式会社 | The assemble method of the outdoor unit of the outdoor unit and air conditioner of air conditioner |
| CN108954569A (en) * | 2018-07-30 | 2018-12-07 | 佛山市缘懿科技有限公司 | A kind of low noise outdoor machine of air-conditioner |
| CN109263165A (en) * | 2018-10-26 | 2019-01-25 | 西南交通大学 | A kind of middle low frequency suction vibration isolation metamaterial of multiband selected control |
| CN109263165B (en) * | 2018-10-26 | 2024-01-30 | 西南交通大学 | Multiband-selected-control medium-low frequency absorption and vibration isolation metamaterial |
| CN112594812A (en) * | 2020-12-11 | 2021-04-02 | 庞传红 | Step heat pump air conditioning unit |
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Application publication date: 20140709 |