CN209184810U - The sound proof box of loudspeaker acoustical testing - Google Patents
The sound proof box of loudspeaker acoustical testing Download PDFInfo
- Publication number
- CN209184810U CN209184810U CN201822232867.6U CN201822232867U CN209184810U CN 209184810 U CN209184810 U CN 209184810U CN 201822232867 U CN201822232867 U CN 201822232867U CN 209184810 U CN209184810 U CN 209184810U
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- CN
- China
- Prior art keywords
- loudspeaker
- proof box
- sound proof
- jig
- acoustical testing
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Abstract
The utility model discloses a kind of sound proof boxs of loudspeaker acoustical testing, enclosed housing including rectangular parallelepiped structure, the cabinet includes the shell being made of outer housing and the inner housing being connected with the outer housing, acoustical cotton is filled between the outer housing and inner housing, the inner housing is provided with the microphone of the jig for placing loudspeaker to be tested, the information of acoustic wave for acquiring the loudspeaker around accommodating cavity is formed in the accommodating cavity.Compared with the existing technology, the utility model reduces interference of the external environment noise to test effect, to improve testing reliability and testing efficiency, and then promotes production capacity, reduces production cost.
Description
Technical field
The utility model relates to loudspeaker technical field more particularly to a kind of sound proof boxs of loudspeaker acoustical testing.
Background technique
Current car horn sound quality judgement, using the sound insulation test case of semi open model, the energization of loudspeaker connects
Connecing device, portion is completed by plug manually outside the enclosure.The pronunciation of loudspeaker is facing towards box house, and the loudspeaker back side is exposed in opening
In environment.After loudspeaker are powered, acoustic software sends test execution order, makes loudspeaker in each frequency range such as low frequency, intermediate frequency and high frequency
It makes a sound, information of acoustic wave is collected by microphone and analyzes it, output waveform figure.
Semi-open sound insulation test case is highly susceptible to the interference of external environment noise, and test result is caused to be distorted, and has not
The loudspeaker shipment of good sound to terminal client risk.Meanwhile manual plug-in connector has certain want to the gimmick of operator
It asks, prevents the phenomenon that scratching flared surface or poor contact occur, operator is easy to appear work fatigue.Due to entirely testing
The frequent manual operation intervention of technique, the reliability and equipment output of test result are all affected, in addition enterprise, modern society
Recruitment cost is high, so as to cause product competitiveness in the market decline.
Utility model content
The utility model provides a kind of sound proof box of loudspeaker acoustical testing, it is intended to promote loudspeaker acoustics testing efficiency and reliable
Property, production capacity is promoted, production cost is reduced.
To achieve the above object, the utility model provides a kind of sound proof box of loudspeaker acoustical testing, including rectangular parallelepiped structure
Enclosed housing, the cabinet includes the shell being made of outer housing and the inner housing being connected with the outer housing, institute
It states filled with acoustical cotton between outer housing and inner housing, the inner housing is set in the accommodating cavity around accommodating cavity is formed
It is equipped with the microphone of the jig for placing loudspeaker to be tested, the information of acoustic wave for acquiring the loudspeaker.
The further technical solution of the utility model is that the inner top of the inner housing is equipped with stretching motion mechanism,
The jig mounting bracket for being used to install the jig being connected with the stretching motion mechanism is installed in the accommodating cavity,
The sound proof box of the loudspeaker acoustical testing further includes the front door being connected with the jig mounting bracket, when the stretching motion machine
Structure ecto-entad or when moving from inside to outside, the stretching motion mechanism drives the corresponding ecto-entad of the jig mounting bracket
Or move from inside to outside, when the movement of stretching motion mechanism ecto-entad inwardly moves to second by export-oriented from first position
Opening when setting, on outer housing described in the preceding door termination.
The further technical solution of the utility model is that the stretching motion mechanism includes being installed on the inner housing
The sliding rail of inner top, sliding block corresponding with the sliding rail, the motor for driving the sliding block to move along the sliding rail, it is described to control
Tool mounting bracket is slideably positioned on the sliding rail by the sliding block.
The further technical solution of the utility model is that the jig includes pedestal, the loudspeaker being installed on the pedestal
Connector cylinder, loudspeaker electrification connector, horizontal extension cylinder and rotation pre- air cylinder.
The further technical solution of the utility model is to be equipped in the jig mounting bracket for clamping and fastening
The quick change elbow of the jig presss from both sides.
The further technical solution of the utility model is that external electrical interface, institute are provided at the top of the outer housing
It states and is provided with electrical fast joint in jig mounting bracket, one end of the external electrical interface and external loudspeaker acoustics tester connect
It connects, the other end is connect with one end of the electrical fast joint, the other end of the electrical fast joint and the loudspeaker connector gas
Cylinder, loudspeaker electrification connector, horizontal extension cylinder and rotation pre- air cylinder connection.
The further technical solution of the utility model is that wedge-shaped acoustical cotton, the wedge shape are pasted in the inner housing
The depth of acoustical cotton is 150mm.
The further technical solution of the utility model is to pass through cylindrical wooden between the outer housing and the inner housing
The diameter of bar connection, the cylinder rod is 40mm.
The further technical solution of the utility model is that the outside of the shell carries out bound edge reinforcing using stainless steel,
The stainless steel with a thickness of 1mm.
The further technical solution of the utility model is that the inner housing, outer housing are made of three folder planks.
The beneficial effects of the utility model are: the sound proof box of the utility model loudspeaker acoustical testing passes through above-mentioned technical side
Case, the enclosed housing including rectangular parallelepiped structure, the cabinet include in being connected by outer housing and with the outer housing
The shell of shell composition is filled with acoustical cotton between the outer housing and inner housing, the inner housing surrounds and forms accommodating cavity,
The Mike of the jig for placing loudspeaker to be tested, the information of acoustic wave for acquiring the loudspeaker is provided in the accommodating cavity
Wind reduces interference of the external environment noise to test effect, to improve testing reliability and testing efficiency, and then is promoted
Production capacity reduces production cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the sound proof box of the utility model loudspeaker acoustical testing；
Fig. 2 is the schematic cross-section of the sound proof box of the utility model loudspeaker acoustical testing；
Fig. 3 is the structural schematic diagram of jig mounting bracket in the sound proof box of the utility model loudspeaker acoustical testing；
Fig. 4 is the structural schematic diagram of jig in the sound proof box of the utility model loudspeaker acoustical testing.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
In view of the sound insulation test case tested at present car horn is highly susceptible to the interference of external environment noise,
Test result is caused to be distorted, entire test process needs frequent manual intervention, and the reliability and output of test result all can be by
To influence, and testing cost is high, and the utility model proposes a solution as a result,.
Specifically, the utility model proposes a kind of sound proof box of loudspeaker acoustical testing, the sound insulation of the loudspeaker acoustical testing
Case is mainly used in loudspeaker production test field, especially car horn production test field.Skill used by the utility model
Middle and high or woofer is mainly placed in a completely enclosed sound proof box by art scheme, cooperates automatic docking structure
And the acoustical testing software of profession, realize sounding and the acoustics performance test of car horn.
As shown in Figures 1 to 4, the sound proof box of the utility model loudspeaker acoustical testing includes the closed enclosure of rectangular parallelepiped structure
Body 1, the cabinet 1 include the shell being made of outer housing 2 and the inner housing 3 being connected with the outer housing 2, the shell
Acoustical cotton 4 is filled between body 2 and inner housing 3.
The inner housing 3 is provided in the accommodating cavity for placing loudspeaker to be tested around accommodating cavity is formed
The microphone 6 of jig 5, information of acoustic wave for acquiring the loudspeaker.
It is understood that the utility model sets closed for the cabinet 1, and outer housing 2 and inner housing 3 it
Between fill acoustical cotton 4, can reduce interference of the external environment noise to test effect, thus improve testing reliability and test effect
Rate, and then production capacity is promoted, reduce production cost.
It, as an implementation, can be in institute in order to further avoid interference of the ambient noise environment to test effect
The wedge-shaped acoustical cotton 7 for attaching that depth is 150mm in inner housing 3 is stated, and the outer housing 2 and inner housing is made using three folder planks
3, the outer housing 2 and inner housing 3 are connected by the cylindrical rod that diameter is 40mm.
It should be noted that the diameter of depth and the round rod for the wedge-shaped acoustical cotton 7, this is practical
It is novel and be not especially limited, when it is implemented, can determine according to actual needs.In the utility model, the acoustical cotton 4 can
To select BASF acoustical cotton 4.
In order to guarantee the loudspeaker acoustical testing sound proof box fixing and stability, the utility model is in the shell
Outside bound edge reinforcing is carried out using stainless steel 8, wherein the thickness of the stainless steel 8 can be set according to actual needs, such as
It can be set as 1mm.
Further, as a kind of the utility model, the inner top of the inner housing 3 is equipped with stretching motion mechanism 9, institute
State the jig mounting bracket for being used to install the jig 5 for being equipped in accommodating cavity and being connected with the stretching motion mechanism 9
10, the sound proof box of the loudspeaker acoustical testing further includes the front door 11 being connected with the jig mounting bracket 10, is stretched when described
9 ecto-entad of contracting movement mechanism or when moving from inside to outside, the stretching motion mechanism 9 drives the jig mounting bracket 10 right
The ecto-entad answered moves from inside to outside, when 9 ecto-entad of stretching motion mechanism movement from first position from extroversion to
When inside moving to the second position, the opening on the outer housing 2 is closed at the front door 11.
When it is implemented, the quick change elbow folder for clamping and fastening the jig 5 can be installed in the mounting bracket
12。
In addition, the utility model is in the side adjacent with the front door 11 of the outer housing 2 for the ease of user's operation
It is provided with side door 13.
Further, the stretching motion mechanism 9 includes sliding rail and the institute for being installed on the inner top of the inner housing 3
The corresponding sliding block of sliding rail, the motor for driving the sliding block to move along the sliding rail are stated, the jig mounting bracket 10 passes through
The sliding block is slideably positioned on the sliding rail.
Further, the jig 5 includes pedestal 14, be installed on loudspeaker connector cylinder 15 on the pedestal 14,
Loudspeaker electrification connector 16, horizontal extension cylinder 17 and rotation pre- air cylinder 18.
Wherein, as an implementation, the top of the outer housing 2 is provided with external electrical interface, the jig peace
Electrical fast joint is provided on dress bracket 10, one end of the external electrical interface is connect with external loudspeaker acoustics tester, separately
One end is connect with one end of the electrical fast joint, the other end of the electrical fast joint and the loudspeaker connector cylinder 15,
Loudspeaker electrification connector 16, horizontal extension cylinder 17 and rotation pre- air cylinder 18 connect.
In addition, the utility model is additionally provided with for detecting whether the front door 11 is closed in place in the accommodating cavity
Sensor, the sensor are connect with the electric appliance fast joint.
The workflow of the sound proof box of the utility model loudspeaker acoustical testing is elaborated below.
Step 1: equipment initialization is completed；
Step 2: loudspeaker to be tested are placed on the jig 5 by operator, it is solid by the rotation pre- air cylinder 18
It is fixed, then pressed from both sides by the quick change elbow and the jig 5 is placed in the jig mounting bracket 10；
Step 3: pressing ACK button, the front door 11 is closed in the movement of sliding block ecto-entad described in the motor driven；
Step 4: the sensor detects that the front door 11 is closed passes through the loudspeaker connector cylinder 15 certainly afterwards in place
It is dynamic to connect the loudspeaker connector and loudspeaker electrification connector 16, make its energization；
Step 5: the external loudspeaker acoustics tester issues test instruction；
Step 6: the sound horn；
Step 7: the microphone 6 acquires the acoustic information of the loudspeaker；
Step 8: the external loudspeaker acoustics tester analyze to the acoustic information and output waveform figure；
Step 9: the external loudspeaker acoustics tester judges loudspeaker specification and bright light prompt based on the analysis results；
Step 10: sliding block described in the motor driven moves from inside to outside, opens the front door 11 after the completion of test；
Step 11: removing the loudspeaker by operator.
In conclusion the sound proof box of the utility model loudspeaker acoustical testing is through the above technical solutions, include cuboid knot
The enclosed housing of structure, the cabinet include the shell being made of outer housing and the inner housing being connected with the outer housing,
Acoustical cotton is filled between the outer housing and inner housing, the inner housing, which surrounds, forms accommodating cavity, in the accommodating cavity
It is provided with the microphone of the jig for placing loudspeaker to be tested, the information of acoustic wave for acquiring the loudspeaker, reduces the external world
Interference of the environmental noise to test effect to improve testing reliability and testing efficiency, and then promotes production capacity, reduces production
Cost.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure made by using the description of the utility model and the drawings or process transformation, are applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of sound proof box of loudspeaker acoustical testing, which is characterized in that the enclosed housing including rectangular parallelepiped structure, the cabinet
Including the shell being made of outer housing and the inner housing being connected with the outer housing, filled out between the outer housing and inner housing
Filled with acoustical cotton, the inner housing is provided in the accommodating cavity for placing loudspeaker to be tested around accommodating cavity is formed
Jig, information of acoustic wave for acquiring the loudspeaker microphone.
2. the sound proof box of loudspeaker acoustical testing according to claim 1, which is characterized in that the inner top of the inner housing is pacified
Equipped with stretching motion mechanism, be equipped in the accommodating cavity be connected with the stretching motion mechanism for installing described control
The jig mounting bracket of tool, the sound proof box of the loudspeaker acoustical testing further include before being connected with the jig mounting bracket
Door, when stretching motion mechanism ecto-entad or when moving from inside to outside, the stretching motion mechanism drives the jig peace
The corresponding ecto-entad of dress bracket moves from inside to outside, when the movement of stretching motion mechanism ecto-entad from first position by
Opening when extroversion inwardly moves to the second position, on outer housing described in the preceding door termination.
3. the sound proof box of loudspeaker acoustical testing according to claim 2, which is characterized in that the stretching motion mechanism includes
It is installed on the sliding rail of the inner top of the inner housing, sliding block corresponding with the sliding rail, for driving the sliding block along the cunning
The motor of rail movement, the jig mounting bracket are slideably positioned on the sliding rail by the sliding block.
4. the sound proof box of loudspeaker acoustical testing according to claim 3, which is characterized in that the jig includes pedestal, peace
Loaded on loudspeaker connector cylinder, loudspeaker electrification connector, horizontal extension cylinder and the rotation pre- air cylinder on the pedestal.
5. the sound proof box of loudspeaker acoustical testing according to claim 4, which is characterized in that pacify in the jig mounting bracket
Equipped with the quick change elbow folder for clamping and fastening the jig.
6. the sound proof box of loudspeaker acoustical testing according to claim 5, which is characterized in that the top of the outer housing is arranged
There is external electrical interface, is provided with electrical fast joint in the jig mounting bracket, one end of the external electrical interface and outer
The connection of portion's loudspeaker acoustics tester, the other end are connect with one end of the electrical fast joint, the other end of the electrical fast joint
It is connect with the loudspeaker connector cylinder, loudspeaker electrification connector, horizontal extension cylinder and rotation pre- air cylinder.
7. according to claim 1 to the sound proof box of loudspeaker acoustical testing described in 6 any one, which is characterized in that the inner casing
It is pasted with wedge-shaped acoustical cotton in vivo, the depth of the wedge shape acoustical cotton is 150mm.
8. according to claim 1 to the sound proof box of loudspeaker acoustical testing described in 6 any one, which is characterized in that the shell
By cylindrical rod connection between body and the inner housing, the diameter of the cylinder rod is 40mm.
9. according to claim 1 to the sound proof box of loudspeaker acoustical testing described in 6 any one, which is characterized in that the shell
Outside using stainless steel carry out bound edge reinforcing, the stainless steel with a thickness of 1mm.
10. according to claim 1 to the sound proof box of loudspeaker acoustical testing described in 6 any one, which is characterized in that the inner casing
Body, outer housing are made of three folder planks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232867.6U CN209184810U (en) | 2018-12-28 | 2018-12-28 | The sound proof box of loudspeaker acoustical testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232867.6U CN209184810U (en) | 2018-12-28 | 2018-12-28 | The sound proof box of loudspeaker acoustical testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209184810U true CN209184810U (en) | 2019-07-30 |
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ID=67378063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822232867.6U Active CN209184810U (en) | 2018-12-28 | 2018-12-28 | The sound proof box of loudspeaker acoustical testing |
Country Status (1)
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| CN (1) | CN209184810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474880A (en) * | 2018-12-28 | 2019-03-15 | 深圳市智立方自动化设备有限公司 | The sound proof box of loudspeaker acoustical testing |
| TWI754384B (en) * | 2020-09-21 | 2022-02-01 | 華碩電腦股份有限公司 | Noise measuring device |
-
2018
- 2018-12-28 CN CN201822232867.6U patent/CN209184810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474880A (en) * | 2018-12-28 | 2019-03-15 | 深圳市智立方自动化设备有限公司 | The sound proof box of loudspeaker acoustical testing |
| TWI754384B (en) * | 2020-09-21 | 2022-02-01 | 華碩電腦股份有限公司 | Noise measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200713 Address after: 518000 1st-3rd floor, building a, Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN IN-CUBE AUTOMATION Co.,Ltd. Address before: 518000 2-3 floor, A building, Hongfa science and Technology Industrial Park, Baoan District, Shiyan community, Shiyan street, Baoan District, Shenzhen. Co-patentee before: Qiu Peng Patentee before: SHENZHEN IN-CUBE AUTOMATION Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 1st-3rd floor, building a, Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen zhicube automation equipment Co., Ltd Address before: 518000 1st-3rd floor, building a, Tangtou community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN IN-CUBE AUTOMATION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |