CN216683644U

CN216683644U - Novel broadband sound absorbing material FFP board

Info

Publication number: CN216683644U
Application number: CN202123282569.6U
Authority: CN
Inventors: 王岩岩
Original assignee: Tianjin Liexing Technology Co ltd
Current assignee: Tianjin Liexing Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-07
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a novel broadband sound absorbing material FFP board, including broadband sound absorbing composite board main part and increase the hole frame, the intermediate position of the inside of broadband sound absorbing composite board main part is equipped with the sound absorption sandwich layer, the top of sound absorption sandwich layer is equipped with the design gusset plate, the top of design gusset plate is equipped with the function board, the below of sound absorption sandwich layer is equipped with the paper thin layer, the below of paper thin layer is equipped with the aluminium fiberboard. The utility model discloses a well bottom in the sound absorption hole on the function board is located sealed position department and is equipped with and increases the hole frame, and increase the both sides in the hole frame and be equipped with interior sound absorption hole, can the diversion increase the sound absorption hole to the function board through increasing the hole frame, both can guarantee the intensity of function board, also can improve the quantity in sound absorption hole, increase the quantity of sound absorption hole at least twice, through the increase in sound absorption hole, it is more complicated to make the sound wave in the inside route of propagating of material, sound absorption effect is just better, the sound absorption frequency band is also wider.

Description

Novel broadband sound absorbing material FFP board

Technical Field

The utility model relates to the field of broadband sound absorption materials, in particular to a novel broadband sound absorption material FFP plate.

Background

The sound absorption material is a material with strong energy saving and noise reduction performance, has absorption effect on incident sound energy by virtue of self porosity, film effect or resonance effect, and is one of elements of ultrasonic examination equipment.

In the prior art, when the broadband sound absorption material FFP plate is used, generally, the larger the pore is, the better the sound absorption performance is, the wider the sound absorption frequency band is, but the porosity can reduce the strength of the material, so that the material is difficult to form and has short service life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel broadband FFP (flexible flat panel) plate made of sound absorption material, which aims to solve the problems that the larger the pore is, the better the sound absorption performance is, the wider the sound absorption frequency band is, but the porosity reduces the strength of the material, the forming is difficult and the service life is short in general.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel broadband FFP (flexible flat panel) plate made of sound absorption materials comprises a broadband sound absorption composite plate main body and a hole increasing frame, wherein a sound absorption core layer is arranged in the middle of the inside of the broadband sound absorption composite plate main body, a shaping reinforcing plate is arranged above the sound absorption core layer, a function plate is arranged above the shaping reinforcing plate, a paper thin layer is arranged below the sound absorption core layer, and an aluminum fiber plate is arranged below the paper thin layer; the function board comprises a perforated plate, polyester fiber cotton, a resonance board and ammonia cotton; the perforated plate, the polyester fiber cotton, the resonance plate and the ammonia cotton are sequentially arranged from top to bottom.

In a further embodiment, a plurality of sound absorption holes are formed in the functional board, a hole increasing frame is arranged at a sealing position, located on one side of the sound absorption holes, at the joint of the lower part of the functional board and the shaping reinforcing board, and the hole increasing frame is connected with the functional board through gluing.

In a further embodiment, inner sound absorption holes are formed in two sides of the interior of the hole increasing frame, the interior of the hole increasing frame is of a hollow structure, the lower portion of the hole increasing frame is connected with the shaping reinforcing plate through the V-shaped positioning grooves, and the cross section of the hole increasing frame is of a triangular structure.

In a further embodiment, the sound absorption core layer is set to be of a honeycomb structure, the inside of the sound absorption core layer is set to be a plurality of honeycomb holes, the shaping reinforcing plate is connected with the sound absorption core layer through gluing, and the inside of the shaping reinforcing plate is set to be of a hollow structure.

In a further embodiment, a cavity body is arranged inside the aluminum fiber board, a supporting framework is arranged inside the cavity body, and the supporting framework and the aluminum fiber board are arranged into an integral structure.

In a further embodiment, a plurality of FFP sound absorbing materials are arranged in the hollow cavity inside the aluminum fiber board, and the thickness of the FFP sound absorbing materials is the same as the height of the supporting framework.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model discloses an in the bottom in the sound absorption hole on the function board be located sealed position department and be equipped with and increase the hole frame, and increase the both sides in the hole frame and be equipped with interior sound absorption hole, can the diversion increase the sound absorption hole to the function board through increasing the hole frame, both can guarantee the intensity of function board, also can improve the quantity in sound absorption hole, increase the quantity of sound absorption hole at least twice, increase through sound absorption hole, it is more complicated to make the sound wave in the inside route of propagating of material, sound absorption effect just is better, sound absorption frequency band is just also wider, and the cross section that increases the hole frame establishes to the triangle-shaped structure, can improve inside overall structure's support dynamics through the characteristic of triangle-shaped, make to connect more firmly reliably between the structure.

Drawings

Fig. 1 is a schematic structural diagram of a novel broadband sound absorbing material FFP plate according to the present invention;

fig. 2 is a top view of a novel broadband sound absorbing material FFP board of the present invention;

FIG. 3 is a schematic view of the detail structure of part A of the present invention;

FIG. 4 is a side view of the hole-increasing stand of the present invention;

fig. 5 is a schematic diagram of a functional board structure according to the present invention.

In the figure: 1. a broadband sound absorption composite board main body; 2. a sound absorbing aperture; 3. a function board; 4. a hole increasing frame; 5. shaping a reinforcing plate; 6. a V-shaped positioning groove; 7. a sound absorbing core layer; 8. a paper lamina; 9. an FFP sound absorbing material; 10. a cavity body; 11. a support framework; 12. an aluminum fiberboard; 13. an inner sound absorption hole; 301. a perforated plate; 302. polyester fiber cotton; 303. a resonator plate; 304. and (4) ammonia cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an embodiment of the present invention is shown: a novel broadband FFP (flexible flat panel) plate made of sound absorption materials comprises a broadband sound absorption composite plate main body 1 and a hole increasing frame 4, wherein the hole increasing frame 4 is used for increasing a sound wave propagation path, a sound absorption core layer 7 is arranged in the middle of the inside of the broadband sound absorption composite plate main body 1, the sound absorption core layer 7 absorbs sound waves, a shaping reinforcing plate 5 is arranged above the sound absorption core layer 7, the shaping reinforcing plate 5 is used for increasing the mounting stability of the hole increasing frame 4, a function plate 3 is arranged above the shaping reinforcing plate 5, the function plate 3 is used for increasing the sound absorption function, a paper thin layer 8 is arranged below the sound absorption core layer 7, the paper thin layer 8 is used for sealing and spacing the lower part of the sound absorption core layer 7, an aluminum fiber plate 12 is arranged below the paper thin layer 8, and the aluminum fiber plate 12 is used for absorbing sound; the function board comprises a perforated plate 301, polyester fiber cotton 302, a resonance board 303 and ammonia cotton 304; the perforated plate 301, the polyester fiber cotton 302, the resonance plate 303 and the ammonia cotton 304 are sequentially arranged from top to bottom.

Further, the inside of function board 3 is equipped with a plurality of sound absorption hole 2, and sound absorption hole 2 transmits the sound wave to inside, and the below of function board 3 is equipped with increase hole frame 4 with the sealed position department that is located sound absorption hole 2 one side of design gusset plate 5 junction, and increases hole frame 4 and function board 3 and be connected through the veneer, can make increase hole frame 4 and function board 3 be connected more durable reliably through the veneer.

Further, the both sides of the inside of increase hole frame 4 are equipped with interior sound absorption hole 13, interior sound absorption hole 13 changes the route gold of sound wave, increase the width of sound wave band, the inside of increasing hole frame 4 is established to hollow structure, the below of increasing hole frame 4 is connected through V type constant head tank 6 with design gusset plate 5, can make the below installation of increasing hole frame 4 more firm through V type constant head tank 6, and the cross section of increasing hole frame 4 establishes to the triangle-shaped structure, can increase the support dynamics through the triangle-shaped structure.

Further, sound absorption sandwich layer 7 establishes to honeycomb structure, can increase the sound absorption effect through honeycomb structure, and establishes to a plurality of honeycomb holes in sound absorption sandwich layer 7's inside, and design gusset plate 5 is connected through the veneer with sound absorption sandwich layer 7, connects to be convenient for install as an organic whole design gusset plate 5 and sound absorption sandwich layer 7 through the veneer, and establishes the inside of design gusset plate 5 to hollow out construction, is convenient for the sound wave through hollow out construction and spreads into and absorb in sound absorption sandwich layer 7.

Further, the inside of aluminum fiber board 12 is equipped with the cavity body 10, and the installation of FFP sound absorbing material 9 is fixed with the cavity body 10, and the inside of cavity body 10 is equipped with supporting framework 11, and supporting framework 11 increases the fastness of the cavity body 10, and supporting framework 11 and aluminum fiber board 12 establish structure as an organic whole.

Further, a plurality of FFP sound absorbing materials 9 are provided inside the hollow cavity 10 of the aluminum fiber board 12, the FFP sound absorbing materials 9 can absorb larger sound waves, and the thickness of the FFP sound absorbing materials 9 is the same as the height of the supporting frame 11.

The working principle is as follows: during the use, paint dedicated adhesive in the rear end of aluminium fiberboard 12, fix broadband sound absorption composite sheet main part 1 bonding on required fixed body, the noise is transmitted to inside through sound absorption hole 2, enlarges the route of sound wave transmission through interior sound absorption hole 13, improves the width of sound absorption bin, makes the sound wave get into and reflects the sound absorption in sound absorption sandwich layer 7, great sound wave can absorb through FFP sound absorbing material 9 can.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel broadband sound absorbing material FFP board, includes broadband sound absorbing composite board main part (1) and increases hole frame (4), its characterized in that: a sound absorption core layer (7) is arranged in the middle of the inside of the broadband sound absorption composite board main body (1), a shaping reinforcing plate (5) is arranged above the sound absorption core layer (7), a function board (3) is arranged above the shaping reinforcing plate (5), a paper thin layer (8) is arranged below the sound absorption core layer (7), and an aluminum fiber board (12) is arranged below the paper thin layer (8); the function board comprises a perforated plate (301), polyester fiber cotton (302), a resonance board (303) and ammonia cotton (304); the perforated plate (301), the polyester fiber cotton (302), the resonance plate (303) and the ammonia cotton (304) are sequentially arranged from top to bottom.

2. The FFP board of claim 1, wherein the broadband sound absorbing material comprises: the utility model discloses a function board, including function board (3), the inside of function board (3) is equipped with a plurality of sound-absorbing hole (2), the below of function board (3) is equipped with increase hole frame (4) with the sealed position department that is located sound-absorbing hole (2) one side of design gusset plate (5) junction, and increases hole frame (4) and function board (3) and be connected through the veneer.

3. The FFP board of claim 2, wherein the broadband sound absorbing material comprises: the inner sound absorption holes (13) are formed in two sides of the interior of the hole increasing frame (4), the interior of the hole increasing frame (4) is of a hollow structure, the lower portion of the hole increasing frame (4) is connected with the shaping reinforcing plate (5) through the V-shaped positioning groove (6), and the cross section of the hole increasing frame (4) is of a triangular structure.

4. The FFP board of claim 1, wherein the broadband sound absorbing material comprises: the sound absorption core layer (7) is of a honeycomb structure, a plurality of honeycomb holes are formed in the sound absorption core layer (7), the shaping reinforcing plate (5) is connected with the sound absorption core layer (7) through gluing, and the inside of the shaping reinforcing plate (5) is of a hollow structure.

5. The FFP board of claim 1, wherein the broadband sound absorbing material comprises: the aluminum fiber plate is characterized in that a cavity body (10) is arranged inside the aluminum fiber plate (12), a supporting framework (11) is arranged inside the cavity body (10), and the supporting framework (11) and the aluminum fiber plate (12) are arranged into an integral structure.

6. The FFP board of claim 5, wherein the broadband sound absorbing material comprises: a plurality of FFP sound-absorbing materials (9) are arranged in the hollow cavity (10) inside the aluminum fiber board (12), and the thickness of the FFP sound-absorbing materials (9) is the same as the height of the supporting framework (11).