CN204751800U - Elevator car sound -insulating structure - Google Patents
Elevator car sound -insulating structure Download PDFInfo
- Publication number
- CN204751800U CN204751800U CN201520434668.7U CN201520434668U CN204751800U CN 204751800 U CN204751800 U CN 204751800U CN 201520434668 U CN201520434668 U CN 201520434668U CN 204751800 U CN204751800 U CN 204751800U
- Authority
- CN
- China
- Prior art keywords
- sound
- car
- drag reduction
- layer
- absorbing layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to an elevator technical field especially relates to an elevator car sound -insulating structure. Including the car, set up to be in respectively the drag reduction noise insulation of car top and bottom. Drag reduction noise insulation is including sound insulation portion, drag reduction portion. Drag reduction portion sets up the car is at the both ends of vertical direction, the width of drag reduction portion horizontal direction is less than the car top is at the width of horizontal direction. Reduced the windage noise and the eddy current crack of car. Sound insulation portion is by outer extremely interior damping layer, sound absorbing layer and the puigging of including in proper order, the damping layer sets up drag reduction portion both sides. The damping layer reduces and absorbs the vibration of elevator, the source of directly having reduced mechanical noise, the sound absorbing layer externally absorbs the noise of production for the noise is attenuateed greatly, the puigging parts noise and car, blocks sound wave propagation in the air to reach and fall the mesh of making an uproar.
Description
Technical field
The utility model relates to a kind of elevator technology field, particularly relates to a kind of lift car acoustic construction.
Background technology
Elevator runs in hoistway, along with the increase of car speed will bring the Pneu problems such as aerodynamics noise, have impact on safety and the traveling comfort of elevator.And noise of elevator is mainly caused by air resistance and mechanical vibration.Produce very large windage when elevator up and down reciprocatingly runs in hoistway, these resistances and car effect produce windage noise; In addition due to the sharply increase of air rate, air-flow produces very large separation and discontinuous whirlpool at envelope afterbody, and this discontinuous whirlpool constantly comes off and evolution can make the pressure in vortex field produce big ups and downs generation eddy noise.Many noises of elevator are caused by vibration, and this vibration is propagated in air, solid dielectric with the form of elastic wave, is called gas noise and solid borne noise.In order to ensure the traveling comfort of lift car passenger, necessity carries out noise reduction to lift car.
Utility model content
Technical purpose of the present utility model is to provide a kind of lift car acoustic construction, solves the noise reduction problem of lift car in prior art.
The technical solution of the utility model is as follows: a kind of lift car acoustic construction, is characterized in that: comprise car, be separately positioned on the drag reduction sound arrester of described car top and bottom.Described drag reduction sound arrester comprises sound proof part, drag reduction portion.Described drag reduction portion is arranged on described car two ends in the vertical direction, and the width of described drag reduction portion horizontal direction is less than described car top width in the horizontal direction.Therefore, substantially reduce the area of contact of described elevator car roof and bottom and air, reduce the air resistance in described cage operation process, thus reduce windage noise and the eddy noise of described car.Described sound proof part comprises vibration damping layer, sound absorbing layer and sound isolating layer from outside to inside successively, and described vibration damping layer is arranged on both sides, described drag reduction portion.Described vibration damping layer reduces and absorbs the vibration of elevator, directly decreases the source of mechanical noise; Described sound absorbing layer absorbs the noise produced in outside, make the large lossy of noise; Noise and car separate by described sound isolating layer, block sound wave propagation in air, thus reach noise reduction object.
As preferably, described drag reduction sound arrester also comprises air circulation portion, and described air circulation portion comprises airport and air by-pass passage.Described air by-pass passage is arranged between described vibration damping layer and described sound absorbing layer, and described airport runs through described vibration damping layer and is communicated with described air by-pass passage and described car space outerpace.In order to the air circulation performance of the confined space in car described in noise reduction is poor, described air circulation portion achieves described car and extraneous air inerchange, while the described car noise of reduction, increase air circulation, improves traveling comfort and the safety of elevator.Described airport runs through the vibration damping layer being arranged on both sides, described drag reduction portion, avoids parallel with elevator service direction, reduces the air resistance in running process of elevator thus decrease noise and vibration.
As preferably, described sound absorbing layer comprises the first sound absorbing layer, the second sound absorbing layer, the 3rd sound absorbing layer from outside to inside successively; Described first sound absorbing layer arranges the first sound-absorption hole, and described second sound absorbing layer arranges the second sound-absorption hole, and described first sound-absorption hole and described second sound-absorption hole are interspersed.Three layers of described sound absorbing layer add sound-absorbing effect, and described first sound-absorption hole and described second sound-absorption hole add the area of sound absorption materials, and described first sound-absorption hole and being interspersed of described second sound-absorption hole add the propagation distance of sound, and sound-absorbing effect is better.
As preferably, described car arranges side drag reduction sound arrester, and described side drag reduction sound arrester is arranged on outside the sidewall of described car, and described side drag reduction sound arrester comprises side vibration damping layer, side draught sound-absorbing layer and side sound isolating layer from outside to inside successively.Described side vibration damping layer reduces and absorbs the vibration of elevator, directly decreases the source of mechanical noise; Described side draught sound-absorbing layer absorbs the noise produced in outside, make the large lossy of noise; Noise and car separate by described side sound isolating layer, block sound wave propagation in air, thus reach noise reduction object.
As preferably, described car arranges air circulation portion, side.Air circulation portion, described side comprises side air by-pass passage and air outlet.Air circulation portion, described side to be arranged on inside the sound isolating layer of described side and to be communicated with described air by-pass passage up and down.Described air outlet is communicated with the inside of described side air by-pass passage and described car.Described air by-pass passage and described side air by-pass passage form the wind circulation of described car, and are sent in described car by air by described air outlet.
As preferably, described vibration damping layer is vibration isolation rubber layer; Described sound absorbing layer is centrifugally glass-wool material; Described sound isolating layer is steel plate.
As preferably, described side vibration damping layer is vibration isolation rubber layer; Described side draught sound-absorbing layer is centrifugally glass-wool material; Described side sound isolating layer is steel plate.
Disclosed in the utility model, a kind of lift car acoustic construction has following beneficial effect: the width of described drag reduction portion horizontal direction is less than described car top width in the horizontal direction.Therefore, substantially reduce the area of contact of described elevator car roof and bottom and air, reduce the air resistance in described cage operation process, thus reduce windage noise and the eddy noise of described car.Described sound proof part comprises vibration damping layer, sound absorbing layer and sound isolating layer from outside to inside successively, and described vibration damping layer is arranged on both sides, described drag reduction portion.Described vibration damping layer reduces and absorbs the vibration of elevator, directly decreases the source of mechanical noise; Described sound absorbing layer absorbs the noise produced in outside, make the large lossy of noise; Noise and car separate by described sound isolating layer, block sound wave propagation in air, thus reach noise reduction object.
Accompanying drawing explanation
Fig. 1 is a kind of cutaway view of lift car acoustic construction.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.As shown in Figure 1, a kind of lift car acoustic construction, comprises car 1, is separately positioned on the drag reduction sound arrester 2 of car 1 top and bottom.Drag reduction portion 22 is arranged on car 1 two ends in the vertical direction, and the width of drag reduction portion 22 horizontal direction is less than car 1 top width in the horizontal direction.Drag reduction portion 22 forms fleetline structure with sound proof part 21 in car 1 outside.
Drag reduction sound arrester 2 comprises sound proof part 21, drag reduction portion 22, air circulation portion 23.Sound proof part 21 comprises vibration damping layer 211, sound absorbing layer 212 and sound isolating layer 213 from outside to inside successively.Vibration damping layer 211 is vibration isolation rubber layer, is arranged on both sides, drag reduction portion 22.Sound absorbing layer 212 is centrifugally glass-wool material, comprises the first sound absorbing layer 2121, second sound absorbing layer 2122, the 3rd sound absorbing layer 2123 from outside to inside successively; First sound absorbing layer 2121 arranges the first sound-absorption hole 21211, second sound absorbing layer 2122 and arranges the second sound-absorption hole 21221, first sound-absorption hole 21211 and the second sound-absorption hole 21221 is interspersed.Sound isolating layer 213 is steel plate.Air circulation portion 23 comprises airport 231 and air by-pass passage 232; Air by-pass passage 232 is arranged between vibration damping layer 211 and sound absorbing layer 212, and airport 231 runs through vibration damping layer 211 and is communicated with air by-pass passage 232 and car 1 space outerpace.
Car 1 arranges side drag reduction sound arrester 11, air circulation portion, side 12.Side drag reduction sound arrester 11 is arranged on outside the sidewall of car 1, and side drag reduction sound arrester 11 comprises side vibration damping layer 111, side draught sound-absorbing layer 112 and side sound isolating layer 113 from outside to inside successively.Side vibration damping layer 111 is vibration isolation rubber layer; Side draught sound-absorbing layer 112 is centrifugally glass-wool material; Side sound isolating layer 113 is steel plate.Air circulation portion, side 12 comprises side air by-pass passage 121 and air outlet 122; Air circulation portion, side 12 to be arranged on inside side sound isolating layer 113 and to be communicated with air by-pass passage 232 up and down; Air outlet 122 is communicated with the inside of side air by-pass passage 121 and car 1.
Although describe embodiment of the present utility model by reference to the accompanying drawings, those of ordinary skill in the art can make various distortion or amendment within the scope of the appended claims.
Claims (7)
1. a lift car acoustic construction, is characterized in that: comprise car (1), be separately positioned on the drag reduction sound arrester (2) of described car (1) top and bottom; Described drag reduction sound arrester (2) comprises sound proof part (21), drag reduction portion (22); Described drag reduction portion (22) is arranged on described car (1) two ends in the vertical direction, and the width of described drag reduction portion (22) horizontal direction is less than described car (1) top width in the horizontal direction; Described sound proof part (21) comprises vibration damping layer (211), sound absorbing layer (212) and sound isolating layer (213) from outside to inside successively, and described vibration damping layer (211) is arranged on described drag reduction portion (22) both sides.
2. a kind of lift car acoustic construction according to claim 1, is characterized in that: described drag reduction sound arrester (2) also comprises air circulation portion (23), and described air circulation portion (23) comprises airport (231) and air by-pass passage (232); Described air by-pass passage (232) is arranged between described vibration damping layer (211) and described sound absorbing layer (212), and described airport (231) runs through described vibration damping layer (211) and is communicated with described air by-pass passage (232) and described car (1) space outerpace.
3. a kind of lift car acoustic construction according to claim 1, is characterized in that: described sound absorbing layer (212) comprises the first sound absorbing layer (2121), the second sound absorbing layer (2122), the 3rd sound absorbing layer (2123) from outside to inside successively; Described first sound absorbing layer (2121) arranges the first sound-absorption hole (21211), and described second sound absorbing layer (2122) arranges the second sound-absorption hole (21221), and described first sound-absorption hole (21211) and described second sound-absorption hole (21221) are interspersed.
4. a kind of lift car acoustic construction according to claim 2, it is characterized in that: described car (1) arranges side drag reduction sound arrester (11), described side drag reduction sound arrester (11) is arranged on outside the sidewall of described car (1), and described side drag reduction sound arrester (11) comprises side vibration damping layer (111), side draught sound-absorbing layer (112) and side sound isolating layer (113) from outside to inside successively.
5. a kind of lift car acoustic construction according to claim 4, is characterized in that: described car (1) arranges air circulation portion, side (12); Air circulation portion, described side (12) comprises side air by-pass passage (121) and air outlet (122); Air circulation portion, described side (12) is arranged on inner side, described side sound isolating layer (113) and is communicated with described air by-pass passage (232) up and down; Described air outlet (122) is communicated with the inside of described side air by-pass passage (121) and described car (1).
6. a kind of lift car acoustic construction according to claim 1, is characterized in that: described vibration damping layer (211) is vibration isolation rubber layer; Described sound absorbing layer (212) is centrifugally glass-wool material; Described sound isolating layer (213) is steel plate.
7. a kind of lift car acoustic construction according to claim 4, is characterized in that: described side vibration damping layer (111) is vibration isolation rubber layer; Described side draught sound-absorbing layer (112) is centrifugally glass-wool material; Described side sound isolating layer (113) is steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434668.7U CN204751800U (en) | 2015-06-24 | 2015-06-24 | Elevator car sound -insulating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520434668.7U CN204751800U (en) | 2015-06-24 | 2015-06-24 | Elevator car sound -insulating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204751800U true CN204751800U (en) | 2015-11-11 |
Family
ID=54466529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520434668.7U Active CN204751800U (en) | 2015-06-24 | 2015-06-24 | Elevator car sound -insulating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204751800U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348135A (en) * | 2016-10-09 | 2017-01-25 | 德森克电梯（中国）有限公司 | Mute elevator |
| CN107601220A (en) * | 2017-10-27 | 2018-01-19 | 湖南奥力斯电梯有限公司 | A kind of noise reduction system for vertical lift elevator |
| CN108091208A (en) * | 2018-02-07 | 2018-05-29 | 河南农业职业学院 | A kind of vocal music practice facility based on heliotechnics |
-
2015
- 2015-06-24 CN CN201520434668.7U patent/CN204751800U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348135A (en) * | 2016-10-09 | 2017-01-25 | 德森克电梯（中国）有限公司 | Mute elevator |
| CN106348135B (en) * | 2016-10-09 | 2018-09-11 | 德森克电梯（中国）有限公司 | A kind of mute elevator |
| CN107601220A (en) * | 2017-10-27 | 2018-01-19 | 湖南奥力斯电梯有限公司 | A kind of noise reduction system for vertical lift elevator |
| CN107601220B (en) * | 2017-10-27 | 2023-07-28 | 华容县广播电视技术学会 | Noise reduction system for vertical elevator |
| CN108091208A (en) * | 2018-02-07 | 2018-05-29 | 河南农业职业学院 | A kind of vocal music practice facility based on heliotechnics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204751800U (en) | Elevator car sound -insulating structure | |
| KR20090044166A (en) | Hood for reducing a micro-pressure wave on high-speed railway tunnel | |
| CN203033608U (en) | High-speed elevator car | |
| CN202905429U (en) | Multifunctional outer cover for silencing dry-type transformer | |
| CN202378883U (en) | Noise-reducing structure of floors of railway vehicle | |
| CN201333986Y (en) | Automobile interior roof | |
| CN203962104U (en) | A kind of outlet pipe baffler | |
| CN203412137U (en) | Silencing wall | |
| CN205709379U (en) | A kind of lift car sound-insulating structure | |
| CN203132093U (en) | Muffling board | |
| CN202817647U (en) | Automobile front wall wire harness passing hole sealing device | |
| CN207312876U (en) | A kind of noise reduction system for vertical lift elevator | |
| CN206088675U (en) | Car ventilation structure | |
| JP5905096B2 (en) | Elevator car | |
| CN205294564U (en) | Car gives sound insulation | |
| CN202508097U (en) | Floor structure with high sound insulating capability | |
| CN114104920A (en) | Environment-friendly, energy-saving and noise-reducing elevator car | |
| CN205472143U (en) | Closed silence elevator car | |
| CN207607502U (en) | Dust cover and the rail vehicle with it, Rail Transit System | |
| CN209780138U (en) | Sound-insulation and sound-absorption wall structure for elevator shaft | |
| CN207059627U (en) | A kind of railcar damping ring wheel | |
| CN205472147U (en) | Elevator is with sedan -chair wall that gives sound insulation | |
| CN207156562U (en) | A kind of automotive interior sound insulation pad with heat insulating function | |
| CN212450200U (en) | Mute passenger elevator | |
| CN202827592U (en) | Inner side wallboard installing structure of railway vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160912 Address after: 313000 Zhejiang Province, Huzhou city Nanxun District Nanxun science and Technology Industrial Park Xitailu No. 8 Patentee after: Waxman elevator (China) Co., Ltd. Address before: 313000 Zhejiang express Elevator Co., Ltd., Nanxun Town, Nanxun District, Zhejiang, Huzhou Patentee before: Zhejiang fast Elevator Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 313000 Zhejiang Province, Huzhou city Nanxun District Nanxun science and Technology Industrial Park Xitailu No. 8 Patentee after: Walkers Schindler Elevator Co., Ltd Address before: 313000 Zhejiang Province, Huzhou city Nanxun District Nanxun science and Technology Industrial Park Xitailu No. 8 Patentee before: VOLKSLIFT ELEVATOR (CHINA) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |