CN110588533A - Noise reduction assembly with folding structure - Google Patents
Noise reduction assembly with folding structure Download PDFInfo
- Publication number
- CN110588533A CN110588533A CN201910904640.8A CN201910904640A CN110588533A CN 110588533 A CN110588533 A CN 110588533A CN 201910904640 A CN201910904640 A CN 201910904640A CN 110588533 A CN110588533 A CN 110588533A
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- foldable
- plate
- plates
- folding
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000011120 plywood Substances 0.000 abstract 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model provides a folding structure subassembly of making an uproar falls, contain beta structure and establish two fixed plates in the relative both sides of beta structure respectively, all be equipped with first fixed orifices on the fixed plate lateral wall relative with beta structure, but beta structure contains a plurality of folding plywood mechanisms that set up from top to bottom, but folding plywood mechanism contains a plurality of boards of making an uproar of falling that set gradually along same direction, but adjacent board end to end hinge of making an uproar falls, the member that board both sides all were equipped with falls, but with the same folding plywood mechanism adjacent board of making an uproar falls links to each other respectively homonymy member end to end hinge, but folding member mechanism is constituteed to a plurality of members of homonymy that link to each other respectively with same folding plywood mechanism, it is gapped between two folding member mechanisms that the homonymy is adjacent, but be equipped with the second fixed orifices. The flexible arrangement can be carried out according to different conditions in a working state; the length of the noise reduction assembly can be adjusted according to actual conditions.
Description
Technical Field
The invention relates to the technical field of noise reduction, in particular to a noise reduction assembly with a folding structure.
Background
The noise reduction assembly is used for reducing the noise intensity generated by an external noise source, and generally adopts the modes of sound absorption materials, sound insulation and noise reduction, noise reduction of a silencer and the like. The sound insulation and noise reduction utilizes walls, various plates and structures as shields or utilizes an enclosure structure to control noise within a certain range, and the noise is blocked from being transmitted in the air and cannot pass through smoothly, so that the aim of reducing the noise is fulfilled.
In the prior art, noise reduction of equipment in a vehicle is mostly realized in a sound insulation and noise reduction mode, namely, a wall body, various plates and structures are used as a shield or an enclosure structure is used for controlling noise within a certain range, so that the noise cannot smoothly pass through due to the fact that the noise is blocked in the air, and the purpose of reducing the noise is achieved. The noise reduction assembly of the current in-car equipment adopts a frame structure fixed in the car, the length of the noise reduction assembly cannot be adjusted, a large amount of space in the car is occupied, the worker is inconvenient to operate and the equipment is difficult to maintain.
Disclosure of Invention
The invention aims to design a noise reduction assembly with a folding structure, which can be flexibly arranged according to different conditions in a working state; the length of the noise reduction assembly can be adjusted according to actual conditions, and the occupation of the internal space of the carriage is reduced.
The technical scheme of the invention is as follows:
a noise reduction assembly with a folding structure comprises a folding structure and two fixed plates which are respectively arranged at two opposite sides of the folding structure, wherein the side wall of the fixed plate opposite to the folding structure is provided with a first fixed hole, the folding structure comprises a plurality of folding laminated plate mechanisms which are arranged up and down, gaps are arranged among the folding laminated plate mechanisms, the folding laminated plate mechanisms are all arranged along the same direction, each folding laminated plate mechanism comprises a plurality of noise reduction plates which are sequentially arranged along the same direction, adjacent noise reduction plates are hinged end to end, a plurality of connecting shafts are arranged on two opposite side walls of each noise reduction plate, rod pieces parallel to the noise reduction plates are arranged at two sides of each noise reduction plate provided with the connecting shafts, a plurality of connecting holes matched with the connecting shafts are arranged on the side wall of each rod piece opposite to the noise reduction plate, and rod pieces which are respectively connected with the adjacent noise reduction plates in the same folding, a plurality of rod pieces on the same side respectively connected with the same foldable laminate mechanism form a foldable rod piece mechanism, a gap is reserved between two adjacent foldable rod piece mechanisms on the same side, and a second fixing hole matched with the first fixing hole is formed in the side wall of the foldable rod piece mechanism opposite to the adjacent fixing plate.
Preferably, the two noise reduction plates hinged to the same noise reduction plate are arranged in parallel.
Preferably, one noise reduction plate of one foldable layer plate mechanism is arranged in parallel with one noise reduction plate of the other foldable layer plate mechanism.
Preferably, the noise reduction plate is filled with sound absorption materials, and a communication port for communicating the inside and the outside of the noise reduction plate is formed in the noise reduction plate.
Preferably, the space enclosed by the two adjacent foldable layer plate mechanisms and the two fixing plates is a noise reduction channel, the two ends of the noise reduction channel are respectively provided with a first air opening and a second air opening, the first air openings of the noise reduction channels are arranged on the same side, and a total first air opening formed by the noise reduction channels is matched with an air outlet of the carriage.
By adopting the technical scheme, when the foldable noise reduction assembly is in a working state, the foldable noise reduction assembly can be arranged outside or inside a carriage according to actual conditions, and flexible arrangement can be realized according to different conditions in the working state.
When the folding structure noise reduction assembly is arranged outside the carriage, the folding structure noise reduction assembly is communicated with an air outlet of the carriage, noise sound waves generated by equipment inside the carriage enter different noise reduction channels from different first air openings, partial noise sound waves are generated after the noise sound waves are reflected by the noise reduction plate in the noise reduction channels and are subjected to interference cancellation, the partial noise sound waves are absorbed by sound absorption materials, and the noise reduction sound waves leave from a second air opening of the noise reduction channels after being subjected to noise reduction treatment, so that the purpose of noise reduction is achieved; when the noise reduction assembly with the folding structure is arranged outside the carriage, the purpose of reducing the space inside the carriage is achieved.
When the folding structure noise reduction assembly is arranged inside the carriage, the folding structure noise reduction assembly is communicated with an air outlet of the carriage, noise sound waves generated by internal equipment of the carriage enter different noise reduction channels from different second air ports, interference cancellation is performed on partial noise sound waves generated after the noise sound waves are reflected by noise reduction plates in the noise reduction channels, the partial noise sound waves are absorbed by sound absorption materials, the noise reduction sound waves leave from a first air port of the noise reduction channel after being subjected to noise reduction treatment, and the purpose of noise reduction is achieved.
On the basis of meeting the requirement of noise reduction effect, the length of the foldable noise reduction plate layer is adjusted by controlling the length of the foldable rod piece mechanism, and the length of the noise reduction channel is adjusted by controlling the noise reduction assembly of the foldable structure, so that the times of reflection of the noise reduction plate in the noise reduction channel and the times of destructive interference of the noise sound wave are adjusted, and the purpose of adjusting the length of the noise reduction assembly according to actual conditions is realized.
When the folding device is in a storage state, the folding rod mechanism set is compressed to the minimum state and stored in the carriage, so that the aim of reducing the space in the carriage is fulfilled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, but the described drawings are only some embodiments of the present invention, and not all embodiments of the present invention.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the foldable deck mechanism of the present invention;
FIG. 3 is a block diagram of the foldable lever mechanism of the present invention;
fig. 4 is a structural view of the foldable structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, wherein like reference numerals represent like parts in the drawings. It should be noted that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without undue burden, shall fall within the scope of protection of the present invention.
As shown in fig. 1, a noise reduction assembly with a foldable structure comprises a foldable structure and two fixing plates 3 respectively arranged at the left and right sides of the foldable structure, wherein first fixing holes are respectively arranged on the side walls of the two fixing plates 3 opposite to the foldable structure. Preferably, the two fixing plates 3 are vertically arranged in parallel.
As shown in fig. 2 and 3, the foldable structure includes a plurality of foldable layer plate mechanisms arranged up and down, the plurality of foldable layer plate mechanisms 1 are all arranged along the same direction, a gap is formed between every two adjacent foldable layer plate mechanisms 1, each foldable layer plate mechanism 1 includes a plurality of noise reduction plates 11 arranged in sequence along the front-back direction, the front ends and the back ends of the adjacent noise reduction plates 11 are hinged, two noise reduction plates 12 hinged to the same noise reduction plate 11 are arranged in parallel, one noise reduction plate 11 in one foldable layer plate mechanism is arranged in parallel with one noise reduction plate 13 in the other foldable layer plate mechanism, a plurality of connecting shafts 14 are arranged on the left side wall and the right side wall of each noise reduction plate 11, rod pieces 21 parallel to the noise reduction plates are arranged on the left side and the right side of each noise reduction plate 11, a plurality of connecting holes 22 matched with the connecting shafts 14 are arranged on the side wall of each rod piece 21 opposite to the noise reduction plate 11, the adjacent rod pieces 21 connected with the same The structure 2, two adjacent foldable rod mechanisms 2 on the same side have a gap, and the side wall of the foldable rod mechanism 2 opposite to the adjacent fixed plate 3 is provided with a second fixed hole matched with the first fixed hole. Preferably, the number of the foldable layer plate mechanisms 1 is four, each foldable layer plate mechanism 1 comprises four noise reduction plates 11 which are sequentially arranged along the front-back direction, and two ends of each foldable layer plate mechanism 1 are respectively aligned; preferably, the number of the foldable rod mechanisms 2 is eight, the left side and the right side of each foldable layer plate mechanism 1 are respectively provided with one foldable rod mechanism 2, and two ends of the four foldable rod mechanisms 2 on the same side are respectively aligned; preferably, the connecting shafts 14 are all arranged at the end parts of the side walls of the noise reduction plate 11.
In order to ensure the noise reduction effect, the noise reduction plate 11 is filled with sound absorption materials, and the noise reduction plate 11 is provided with a communication port 15 for communicating the inside and the outside of the noise reduction plate. Preferably, the sound absorbing material is sound absorbing rock wool, and the bottom of the noise reduction plate 11 is provided with a plurality of identical communication ports 15.
In order to ensure that all noise generated by equipment in a carriage during working is reduced by the folding noise reduction assembly, a space enclosed by two adjacent foldable laminate mechanisms 1 and two fixing plates 3 is a noise reduction channel, two ends of the noise reduction channel are respectively a first air port and a second air port, the first air ports of the noise reduction channels are on the same side, and a total first air port formed by a plurality of noise reduction through first air ports is matched with an air outlet of the carriage.
In order to realize the synchronous motion of the plurality of foldable rod member mechanisms 2 on the same side, the foldable rod member mechanism.
When the foldable noise reduction assembly is in a working state, the foldable noise reduction assembly can be arranged outside or inside a carriage according to actual conditions, and flexible arrangement under different working states is achieved.
When the noise reduction assembly with the folding structure is arranged outside the carriage, the noise reduction assembly with the folding structure is communicated with an air outlet of the carriage, noise sound waves generated by equipment inside the carriage enter different noise reduction channels from different first air openings, interference cancellation is generated by partial noise sound waves after the noise sound waves are reflected by the noise reduction plate 11 in the noise reduction channels, the partial noise sound waves are absorbed by sound absorption materials, and the noise reduction sound waves leave from a second air opening of the noise reduction channels after being subjected to noise reduction treatment, so that the purpose of noise reduction is achieved; when the noise reduction assembly with the folding structure is arranged outside the carriage, the purpose of reducing the space inside the carriage is achieved.
When the folding structure noise reduction assembly is arranged inside the carriage, the folding structure noise reduction assembly is communicated with an air outlet of the carriage, noise sound waves generated by internal equipment of the carriage enter different noise reduction channels from different second air ports, interference cancellation is generated by partial noise sound waves after the noise sound waves are reflected by the noise reduction plate 11 in the noise reduction channels, the partial noise sound waves are absorbed by sound absorption materials, the noise reduction sound waves leave from a first air port of the noise reduction channel after being subjected to noise reduction treatment, and the purpose of noise reduction is achieved.
On the basis of meeting the requirement of noise reduction effect, the length of the foldable noise reduction plate layer is adjusted by controlling the length of the foldable rod piece mechanism, and the length of the noise reduction channel is adjusted by controlling the noise reduction assembly of the foldable structure, so that the times of reflection of the noise reduction plate 11 in the noise reduction channel and the times of destructive interference of the noise sound waves are adjusted, and the purpose of adjusting the length of the noise reduction assembly according to actual conditions is realized.
When the folding device is in a storage state, the folding rod mechanism set is compressed to the minimum state and stored in the carriage, so that the aim of reducing the space in the carriage is fulfilled.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (5)
1. A noise reduction assembly of a folding structure is characterized in that: comprises a foldable structure and two fixed plates respectively arranged at two opposite sides of the foldable structure, wherein the side wall of the fixed plate opposite to the foldable structure is provided with a first fixed hole, the foldable structure comprises a plurality of foldable layer plate mechanisms which are arranged up and down, gaps are arranged among the foldable layer plate mechanisms, the foldable layer plate mechanisms comprise a plurality of noise reduction plates which are sequentially arranged along the same direction, adjacent noise reduction plates are hinged end to end, a plurality of connecting shafts are arranged on two opposite side walls of the noise reduction plates, rod members are arranged at two sides of the noise reduction plates, the side wall of the rod member opposite to the noise reduction plates is provided with a plurality of connecting holes matched with the connecting shafts, the rod members at the same side which are respectively connected with the adjacent noise reduction plates in the same foldable layer plate mechanism are hinged end to end, a plurality of rod members at the same side which are respectively connected with the same foldable layer plate mechanism form a, and a second fixing hole matched with the first fixing hole is formed in the side wall of the foldable rod piece mechanism opposite to the adjacent fixing plate.
2. A folded configuration noise reduction assembly according to claim 1, wherein: and the two noise reduction plates hinged with the same noise reduction plate are arranged in parallel.
3. A folded configuration noise reduction assembly according to claim 2, wherein: one noise reduction plate in one foldable layer plate mechanism is arranged in parallel with one noise reduction plate in the other foldable layer plate mechanism.
4. A folded configuration noise reduction assembly according to claim 3, wherein: the noise reduction plate is internally filled with sound absorption materials and is provided with a communication port for communicating the interior and the exterior of the noise reduction plate.
5. A folded configuration noise reduction assembly according to any one of claims 1 or 4, wherein: the space enclosed by the two adjacent foldable laminate mechanisms and the two fixing plates is a noise reduction channel, the two ends of the noise reduction channel are respectively provided with a first air port and a second air port, the first air ports of the noise reduction channels are on the same side, and a total first air port formed by the noise reduction channels is matched with an air outlet of the carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904640.8A CN110588533A (en) | 2019-09-24 | 2019-09-24 | Noise reduction assembly with folding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904640.8A CN110588533A (en) | 2019-09-24 | 2019-09-24 | Noise reduction assembly with folding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110588533A true CN110588533A (en) | 2019-12-20 |
Family
ID=68862820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910904640.8A Pending CN110588533A (en) | 2019-09-24 | 2019-09-24 | Noise reduction assembly with folding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110588533A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1378399A1 (en) * | 2002-07-03 | 2004-01-07 | Le Joint Francais | Acoustic isolation for a hollow vehicle body part |
| US20090188633A1 (en) * | 2008-01-30 | 2009-07-30 | Won-Door Corporation | Folding partitions, components therefor and related methods |
| CN101761732A (en) * | 2008-12-24 | 2010-06-30 | 同方威视技术股份有限公司 | Sound insulation system for noise source |
| CN104376841A (en) * | 2013-08-14 | 2015-02-25 | 北新集团建材股份有限公司 | Denoising cover |
| CN205895031U (en) * | 2016-08-22 | 2017-01-18 | 四川建筑职业技术学院 | Electronic collapsible glass window of accomodating |
| CN107424745A (en) * | 2017-09-14 | 2017-12-01 | 成都飞航沛腾科技有限公司 | A kind of device for transformer with decrease of noise functions |
| CN107791924A (en) * | 2017-10-16 | 2018-03-13 | 河南宜和城保装备科技实业有限公司 | A kind of span formula supply vehicle |
| CN207113188U (en) * | 2017-08-30 | 2018-03-16 | 宋俊生 | A kind of air conditioner noise reduction device |
| CN207496612U (en) * | 2017-10-16 | 2018-06-15 | 河南宜和城保装备科技实业有限公司 | A kind of carriage body air intake and noise reduction system |
| CN109378501A (en) * | 2018-12-28 | 2019-02-22 | 郑州佛光发电设备有限公司 | Metal fuel cell heat dissipation structure and heat dissipation method |
| CN210734037U (en) * | 2019-09-24 | 2020-06-12 | 郑州佛光发电设备有限公司 | Noise reduction assembly with folding structure |
-
2019
- 2019-09-24 CN CN201910904640.8A patent/CN110588533A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1378399A1 (en) * | 2002-07-03 | 2004-01-07 | Le Joint Francais | Acoustic isolation for a hollow vehicle body part |
| US20090188633A1 (en) * | 2008-01-30 | 2009-07-30 | Won-Door Corporation | Folding partitions, components therefor and related methods |
| CN101761732A (en) * | 2008-12-24 | 2010-06-30 | 同方威视技术股份有限公司 | Sound insulation system for noise source |
| CN104376841A (en) * | 2013-08-14 | 2015-02-25 | 北新集团建材股份有限公司 | Denoising cover |
| CN205895031U (en) * | 2016-08-22 | 2017-01-18 | 四川建筑职业技术学院 | Electronic collapsible glass window of accomodating |
| CN207113188U (en) * | 2017-08-30 | 2018-03-16 | 宋俊生 | A kind of air conditioner noise reduction device |
| CN107424745A (en) * | 2017-09-14 | 2017-12-01 | 成都飞航沛腾科技有限公司 | A kind of device for transformer with decrease of noise functions |
| CN107791924A (en) * | 2017-10-16 | 2018-03-13 | 河南宜和城保装备科技实业有限公司 | A kind of span formula supply vehicle |
| CN207496612U (en) * | 2017-10-16 | 2018-06-15 | 河南宜和城保装备科技实业有限公司 | A kind of carriage body air intake and noise reduction system |
| CN109378501A (en) * | 2018-12-28 | 2019-02-22 | 郑州佛光发电设备有限公司 | Metal fuel cell heat dissipation structure and heat dissipation method |
| CN210734037U (en) * | 2019-09-24 | 2020-06-12 | 郑州佛光发电设备有限公司 | Noise reduction assembly with folding structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 450001 No.50 Dongqing street, high tech Development Zone, Zhengzhou City, Henan Province Applicant after: Zhengzhou Foguang power generation equipment Co.,Ltd. Address before: 450001 No.50 Dongqing street, high tech Development Zone, Zhengzhou City, Henan Province Applicant before: ZHENGZHOU FOGUANG POWER GENERATION EQUIPMENT Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191220 |