CN208258080U - A kind of Acoustic test box of high oise insulation factor - Google Patents
A kind of Acoustic test box of high oise insulation factor Download PDFInfo
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- CN208258080U CN208258080U CN201820965641.4U CN201820965641U CN208258080U CN 208258080 U CN208258080 U CN 208258080U CN 201820965641 U CN201820965641 U CN 201820965641U CN 208258080 U CN208258080 U CN 208258080U
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- cabinet
- acoustic test
- chamber door
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Abstract
The utility model discloses a kind of Acoustic test box of high oise insulation factor, the Acoustic test box is made of cabinet and chamber door, and the cabinet and chamber door are made of high sound insulation composite material；The high sound insulation composite material successively includes color steel plate, the first soundproof plate, long fibre sound absorbing layer, the second soundproof plate, sound absorption wedge from outside to inside；The chamber door is made of removable doorframe, fixed door, dodge gate, hinge；The cabinet, which corresponds in the one side of chamber door from top to bottom to hang down, is equipped with sound-absorbing blanket, and the edge of the dodge gate, which is integrally formed ground and is equipped with, extends retaining wall, it is described extend retaining wall towards case outside side be equipped with damping sound insulation felt, it is also viscous on damping sound insulation felt to be equipped with sound insulation adhesive tape.Acoustic test box provided by the utility model can provide the test environment convenient for transfer, high oise insulation factor when test, debugging electronic product are tested by related audio, so that test and debugging are more accurate, the scope of application of test box is more extensive.
Description
Technical field
The utility model relates to acoustical testing technical field more particularly to a kind of Acoustic test boxes of high oise insulation factor.
Background technique
Existing loudspeaking electronic product usually requires to carry out relevant acoustical testing after the manufacturing, thus to its sound
It learns performance and carries out accurate evaluation.The existing device for acoustical testing usually needs to guarantee preferable sound insulation enclosed environment
A dedicated sound insulation house is built, above-mentioned acoustical testing carries out in the sound insulation house.However, the volume of sound insulation house is big, is difficult to remove
The disadvantages of operating moves makes it seem very inconvenient under the use demand with multiple and different occasions；In addition, tester exists
The sound that minor motion in sound insulation house is issued may also influence whether the accuracy of test process.
Utility model content
The purpose of this utility model is to provide a kind of Acoustic test boxes of high oise insulation factor, in test, debugging electronics
Test environment convenient for transfer, high oise insulation factor is provided when product is tested by related audio, so that test and debugging are more accurate,
The scope of application of test box is more extensive.
To achieve the above object, the technical solution of the utility model is as follows:
A kind of Acoustic test box of high oise insulation factor, the Acoustic test box are made of cabinet and chamber door, the cabinet and case
Door is made of high sound insulation composite material；The high sound insulation composite material from outside to inside successively include color steel plate, the first soundproof plate,
Long fibre sound absorbing layer, the second soundproof plate, sound absorption wedge；The chamber door is made of removable doorframe, fixed door, dodge gate, hinge；Institute
It states removable doorframe and is bolted the cabinet by removable, and be equipped with mounting groove, the fixed door and dodge gate in removable doorframe
It is rotatablely connected, and is embedded in the mounting groove by hinge；The cabinet is corresponded to from top to bottom to hang down in the one side of chamber door and be set
Have a sound-absorbing blanket, the edge of the dodge gate, which is integrally formed ground and is equipped with, extends retaining wall, it is described extend retaining wall towards case outside side set
There is damping sound insulation felt, is also glued on damping sound insulation felt and be equipped with sound insulation adhesive tape.
In an alternative embodiment: first soundproof plate, long fibre sound absorbing layer, the second soundproof plate, sound absorption wedge thickness
Degree is respectively 5mm, 10mm, 5mm, 8mm.
In an alternative embodiment: the long fibre sound absorbing layer is PE or monofilament；First soundproof plate, the second soundproof plate
For PE plate or high-density plate.
In an alternative embodiment: the density of the long fibre sound absorbing layer is 3g/cm3.
In an alternative embodiment: the bottom surface of the cabinet is equipped with 4 universal rolling wheels.
Compared to the prior art, the utility model has the beneficial effects that:
(1) high sound insulation composite material includes color steel plate, the first soundproof plate, long fibre sound absorbing layer, the second soundproof plate, sound-absorbing point
It splits.First soundproof plate, the second soundproof plate, long fibre sound absorbing layer, sound absorption wedge all have good sound insulation value, wherein institute
Sound absorption wedge is stated with jagged surface, when sound transmission to the surface, corresponding sound wave is on the jagged surface
Carry out inflection on inclined-plane to return, so that sound is difficult to propagate to the external world；
(2) trial product to be measured and test equipment are sent into Acoustic test box by tester by dodge gate, are carried out corresponding
Testing process, tester can pass through signal outside test box and realize corresponding test operation, thus will not be because of tester
The movement of member influences test accuracy.The dodge gate is realized by hinge and fixed door and is relatively rotated, to open the dodge gate；
At closing time, dodge gate and removable doorframe are connected by conventional lock, to realize the opening and closing of dodge gate.When product to be measured
Volume it is larger when, after being removed removable doorframe from cabinet by operating removable bolt, then product to be measured is put into, due to
Bolted mode securely and convenient for repeat dismount, enable the Acoustic test box be adapted within the scope of certain volume to
Product is surveyed, is had a wide range of application；
(3) it is equipped with sound-absorbing blanket, damping sound insulation felt, sound insulation adhesive tape etc. at chamber door, provides better sound insulation in chamber door position
Performance, so as to preferably be obstructed to the incoming outflow of chamber door position sound；
(4) it is equipped with universal rolling wheel, since the volume of Acoustic test box is little, so as to shift and move between multiple occasions
Dynamic, good portability is easy to shift, and different research and development of products departments is allowed to share same Acoustic test box.
Detailed description of the invention
Fig. 1 shows the front view of the utility model embodiment Acoustic test box；
Fig. 2 shows the structural schematic diagrams of the high sound insulation composite material of the utility model embodiment；
Fig. 3 shows the stereoscopic schematic diagram of the utility model embodiment dodge gate.
Specific embodiment
Please refer to Fig. 1-3, the utility model provides a kind of Acoustic test box of high oise insulation factor, the Acoustic test box by
Cabinet 1 and chamber door 2 form, and the cabinet 1 and chamber door 2 are made of high sound insulation composite material 8.
The high sound insulation composite material 8 successively includes color steel plate 81, the first soundproof plate 82, long fibre sound absorbing layer from outside to inside
83, the second soundproof plate 84, sound absorption wedge 85.First soundproof plate, the second soundproof plate, long fibre sound absorbing layer, sound absorption wedge are equal
It is right when sound transmission to the surface wherein the sound absorption wedge 85 has a jagged surface with good sound insulation value
The sound wave answered inflection on the inclined-plane on the jagged surface is returned, so that sound is difficult to propagate to the external world.The coloured silk steel
Plate 81 provides the support of Acoustic test box mechanical property, and can be in the corresponding appearance coating of its trypsin method, to provide difference
The Acoustic test box of appearance.In specific structure, the density of the long fibre sound absorbing layer 83 is 3g/cm3, first soundproof plate
82, long fibre sound absorbing layer 83, the second soundproof plate 84, sound absorption wedge 85 thickness be respectively 5mm, 10mm, 5mm, 8mm so that this
The oise insulation factor of the high sound insulation composite material of embodiment is 50db.Optionally, the long fibre sound absorbing layer 83 is PE or monofilament；
First soundproof plate 82, the second soundproof plate 84 are PE plate or high-density plate.
The Acoustic test box of the present embodiment has good convenience, specifically, the chamber door 2 is by removable doorframe 21, solid
Determine door 22, dodge gate 23, hinge 24 to form.The removable doorframe 21 connects the cabinet 1, and detachable gate by removable bolt 25
Mounting groove is equipped in frame 21, the fixed door 22 is rotatablely connected with dodge gate 23 by hinge, and is embedded in the mounting groove
It is interior.
Under the action of the above configuration, trial product to be measured and test equipment are sent into acoustics by dodge gate 23 by tester
In test box, corresponding testing process is carried out, tester can pass through signal outside test box and realize corresponding test operation, from
Without because the movement of tester influences test accuracy.The dodge gate 23 realizes phase by hinge 24 and fixed door 22
To rotation, to open the dodge gate；At closing time, dodge gate 23 and removable doorframe 21 are connected by conventional lock, to realize work
The opening and closing of dynamic door.It, can be by operating removable bolt 25 for removable doorframe from cabinet when the volume of product to be measured is larger
After upper dismounting, then product to be measured is put into, due to bolted mode securely and convenient for repeating to dismount, so that the acoustics is surveyed
Examination case can be adapted to the product to be measured within the scope of certain volume, have a wide range of application.
In order to provide better sound insulation property in the position of chamber door 2, so as to the incoming biography of chamber door position sound
Preferably obstructed out, from top to bottom hang down in the one side of the corresponding chamber door of the cabinet 1 and be equipped with sound-absorbing blanket, the sound-absorbing blanket it is upper
The intracorporal upper top surface of case is fixed at end, and lower end is in free state.Furthermore it is preferred that, the edge of the dodge gate 23 one at
Be equipped with to type and extend retaining wall 231, it is described extend retaining wall towards case outside side be equipped with damping sound insulation felt 232, on damping sound insulation felt
It is also viscous to be equipped with sound insulation adhesive tape 233.
In the utility model, the volume of Acoustic test box is little, therefore test box can be shifted and be moved between multiple occasions
Dynamic, good portability allows different research and development of products departments to share same Acoustic test box.Further, the cabinet
Bottom surface is equipped with 4 universal rolling wheels, when so as to carry transfer between multiple and different occasions, carrying to Acoustic test box and turns
It moves and more convenient and fast travelling performance is provided.
The above is only the preferred embodiment of the present invention, is not intended to limit its scope of the patents, all to utilize this
Equivalent structure transformation made by utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain is also included in the patent protection scope of the utility model.
Claims (5)
1. a kind of Acoustic test box of high oise insulation factor, it is characterised in that: the Acoustic test box is made of cabinet and chamber door, described
Cabinet and chamber door are made of high sound insulation composite material；The high sound insulation composite material successively includes color steel plate, the from outside to inside
One soundproof plate, long fibre sound absorbing layer, the second soundproof plate, sound absorption wedge；The chamber door is by removable doorframe, fixed door, dodge gate, conjunction
Page composition；The removable doorframe is bolted the cabinet by removable, and mounting groove, the fixed door are equipped in removable doorframe
It is rotatablely connected, and is embedded in the mounting groove by hinge with dodge gate；The cabinet corresponds in the one side of chamber door by upper
Be equipped with sound-absorbing blanket to sagging, the edge of the dodge gate, which is integrally formed ground and is equipped with, extends retaining wall, the extension retaining wall towards case outside
Side be equipped with damping sound insulation felt, it is also viscous on damping sound insulation felt to be equipped with sound insulation adhesive tape.
2. a kind of Acoustic test box of high oise insulation factor as described in claim 1, it is characterised in that: first soundproof plate, length
Fiber sound absorbing layer, the second soundproof plate, sound absorption wedge thickness be respectively 5mm, 10mm, 5mm, 8mm.
3. a kind of Acoustic test box of high oise insulation factor as described in claim 1, it is characterised in that: the long fibre sound absorbing layer is
PE or monofilament；First soundproof plate, the second soundproof plate are PE plate or high-density plate.
4. a kind of Acoustic test box of high oise insulation factor as described in claim 1, it is characterised in that: the long fibre sound absorbing layer
Density is 3g/cm3。
5. a kind of Acoustic test box of high oise insulation factor as described in claim 1, it is characterised in that: the bottom surface of the cabinet is set
There are 4 universal rolling wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965641.4U CN208258080U (en) | 2018-06-22 | 2018-06-22 | A kind of Acoustic test box of high oise insulation factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965641.4U CN208258080U (en) | 2018-06-22 | 2018-06-22 | A kind of Acoustic test box of high oise insulation factor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208258080U true CN208258080U (en) | 2018-12-18 |
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ID=64655014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820965641.4U Active CN208258080U (en) | 2018-06-22 | 2018-06-22 | A kind of Acoustic test box of high oise insulation factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208258080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432700A (en) * | 2020-09-10 | 2021-03-02 | 北京清源智瑞科技有限公司 | Automatic acoustic test box of assembly line |
-
2018
- 2018-06-22 CN CN201820965641.4U patent/CN208258080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432700A (en) * | 2020-09-10 | 2021-03-02 | 北京清源智瑞科技有限公司 | Automatic acoustic test box of assembly line |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200807 Address after: Room 503E, South Chuangye building, Pioneer Park, torch high tech Zone, Xiamen, Fujian Province Patentee after: China catalyst (Xiamen) Environmental Technology Co., Ltd Address before: 361000 2 unit L unit, building 1, Wuyuan Bay Business Center, Xiamen, Fujian Patentee before: FUJIAN PROVINCE QINGHONG ENERGY SAVING ENVIRONMENTAL PROTECTION Co.,Ltd. |
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| TR01 | Transfer of patent right |