CN107135457A - A kind of headphone test device - Google Patents
A kind of headphone test device Download PDFInfo
- Publication number
- CN107135457A CN107135457A CN201710366730.7A CN201710366730A CN107135457A CN 107135457 A CN107135457 A CN 107135457A CN 201710366730 A CN201710366730 A CN 201710366730A CN 107135457 A CN107135457 A CN 107135457A
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- CN
- China
- Prior art keywords
- microphone
- measuring
- test device
- measuring head
- groove
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of headphone test device, including dial, combined pad, spring retaining ring, measuring head, rubber gasket, O-ring, support column, base, sleeve pipe and measuring microphone, described support column is arranged on base, connecting pole is provided with the top of the support column, the lower end excircle of the connecting pole offers U-type groove, the rubber gasket is fixed by screws in the top of connecting pole, it is fixed at the top of described sleeve pipe in the hollow hole of measuring head, bottom is set on the connecting pole at the top of support column, the two ends of the measuring head symmetrically offer microphone and install groove, the inner of the measuring microphone is connected by spring retaining ring with the fit inside that microphone installs groove, the outside that groove is installed in the outer end of measuring microphone by combined pad and microphone is connected, dial is mounted in the both ends of the surface of the measuring head.Stability of the present invention is strong, and good sealing effect is applied widely, and measuring accuracy is high.
Description
【Technical field】
The present invention relates to the technical field of earphone test, more particularly to a kind of headphone test device.
【Background technology】
It is known that in earphone industry, in order to ensure the quality of product, it is in producing that test is carried out to finished product earphone
Necessary process.For headphone test, polytype measuring microphone is generally required in test process, and in test
The tested cavity volumes between earphone and measuring microphone of Shi Yaoqiu are consistent and needed airtight.When tested earphone is transaudient with measuring
Cavity volume changes between device, has a strong impact on the uniformity of test result.Particularly when tested earphone and measuring microphone
Between air-tightness it is bad, measurement result can be made not to be inconsistent completely with actual earphone parameter.Conventional traditional earphone test device is difficult
With compatible different shape dimension measurement microphones, and be difficult to ensure that tested earphone or so between ear and measuring microphone cavity hold
Product ensures consistent.More seriously traditional earphone test device it is difficult to ensure that tested airtight between earphone and measuring microphone
Property, it is unreliable which results in test result.
To sum up there is complex operation in traditional earphone test device, and stability is relatively low, by the external world in test process
Disturbing factor influence is larger, causes test result not accurate, and earphone test device applicability is relatively low.Therefore, it is necessary to propose
The headphone test device that a kind of easy to use, simple to operate, stability is good, measuring accuracy is high.
【The content of the invention】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art there is provided a kind of headphone test device, its
Aim to solve the problem that the relatively low technical problem of the stability of earphone test device, applicability, sealing in the prior art.
To achieve the above object, the present invention proposes a kind of headphone test device, including dial, combination mat
Block, spring retaining ring, measuring head, rubber gasket, O-ring, support column, base, sleeve pipe and measuring microphone, described support column
On base, connecting pole is provided with the top of described support column, the lower end excircle of described connecting pole offers U-shaped
Groove, described O-ring is fixed in U-type groove, and described rubber gasket is fixed by screws in the top of connecting pole, described
Hollow hole is offered inside measuring head, described cannula tip is fixed in the hollow hole of measuring head, described sleeve bottom set
It is located on the connecting pole at the top of support column, the two ends of described measuring head symmetrically offer microphone and install groove, described survey
The inner of amount microphone is connected by spring retaining ring with the fit inside that microphone installs groove, and the outer end of measuring microphone passes through
The outside that combined pad and microphone install groove is connected, and dial is mounted in the both ends of the surface of described measuring head.
Preferably, the side of described measuring head symmetrically offers screw hole, described screw hole and spring retaining ring
Fixed position is corresponding, and a set screw is threadedly coupled on each screw hole, spring retaining ring is collapsible into by set screw
And fixation measuring microphone.
Preferably, described spring retaining ring is the stretchy nylon ring of side openings.
Preferably, the top of described connecting pole offers screw hole, described rubber gasket is central aperture side
The sealing gasket of face fluting, described rubber gasket is passed through after central aperture by screw and is fastened on connecting pole with screw hole
Top.
Preferably, described combined pad is combined by outer cushion block, middle spacer and interior cushion block, described outer pad
The endoporus being engaged with the measuring microphone of different size, described middle pad are offered on block, middle spacer and interior cushion block
Block is embedded in the endoporus of outer cushion block, and described interior cushion block is embedded in the endoporus of middle spacer.
Preferably, the centre of described dial offers the through hole for making the outer end of measuring microphone be communicated with the external world,
With horizontal and vertical scale on described dial.
Preferably, the top of described measuring head is provided with supporting table, the upper surface of described supporting table is upper convex arc
Shape face.
Preferably, the top side of described support column offers the tongue-and-groove being engaged with sleeve pipe.
Beneficial effects of the present invention：Compared with prior art, a kind of headphone test device that the present invention is provided, knot
Structure rationally, the dial with horizontal and vertical scale, the earphone position on convenient regulation both sides is mounted at the two ends of measuring head
It is consistent, improves the degree of accuracy of test；Spring retaining ring is can reach by set screw to shrink so as to which measuring microphone be fixed,
Improve the stability of measuring microphone；O-ring and rubber gasket combination reach the effect of dual-seal, while improving measuring head
Stability, prevent test process it is red occur rocking and cause test it is not accurate；Combined pad can be according to measuring microphone
Specification size select being applied in combination, and can coordinate the measuring microphone of sizes, expand the scope of application of measuring head.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of explosive view of headphone test device of the embodiment of the present invention；
Fig. 2 is the support column of the embodiment of the present invention and the installation effect figure of base；
Fig. 3 is the measuring head internal structure schematic diagram of the embodiment of the present invention；
Fig. 4 is the structural representation of the combined pad of the embodiment of the present invention；
Fig. 5 is a kind of using renderings of headphone test device of the embodiment of the present invention.
In figure：The outer cushion block of 1- dials, 2- combined pads, 21-, 22- middle spacers, cushion block in 23-, 3- spring retaining rings,
4- measuring heads, 41- hollow holes, 42- screw holes, 43- supporting tables, 5- rubber gaskets, 6-O types circle, 7- support columns, 71- connections
Post, 72-U type grooves, 73- screw holes, 74- tongue-and-grooves, 8- bases, 9- set screws, 10- sleeve pipes, 11- measuring microphones.
【Embodiment】
To make the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The scope being not intended to limit the invention.In addition, in the following description, the description to known features and technology is eliminated, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to Fig. 1 to Fig. 5, the embodiment of the present invention provides a kind of headphone test device, including dial 1, combination
Cushion block 2, spring retaining ring 3, measuring head 4, rubber gasket 5, O-ring 6, support column 7, base 8, sleeve pipe 10 and measuring microphone
11, described support column 7 is arranged on base 8, and the described top of support column 7 is provided with connecting pole 71, described connecting pole 71
Lower end excircle offer U-type groove 72, described O-ring 6 is fixed in U-type groove 72, and described rubber gasket 5 passes through spiral shell
Nail, which is fixed on inside the top of connecting pole 71, described measuring head 4, offers hollow hole 41, and the described top of sleeve pipe 10 is fixed on
In the hollow hole 41 of measuring head 4, the described bottom of sleeve pipe 10 is set on the connecting pole 71 at the top of support column 7, described test
First 4 two ends symmetrically offer microphone and install groove, described measuring microphone 11 it is inner by spring retaining ring 3 with it is transaudient
Device installs the fit inside connection of groove, and the outer of groove is installed in the outer end of measuring microphone 11 by combined pad 2 and microphone
Side is connected, and dial 1 is mounted in the both ends of the surface of described measuring head 4.
Further, the side of described measuring head 4 symmetrically offers screw hole 42, described screw hole 42 and elastic buckles
The fixed position of ring 3 is corresponding, and a set screw 9 is threadedly coupled on each screw hole 42, makes elastic buckles by set screw 9
Ring 3 shrinks and then fixation measuring microphone 11.
Specifically, described spring retaining ring 3 is the stretchy nylon ring of side openings.In embodiments of the present invention, by turning
Dynamic set screw 9, makes the front end of set screw 9 compress spring retaining ring 3, and then shrinks spring retaining ring 3, reaches that fixation measuring is passed
The purpose of sound device 11, improves the stability of measuring microphone 11.
Further, the top of described connecting pole 71 offers screw hole 73, and described rubber gasket 5 is opened for centre
The sealing gasket of hole groove at side surface, described rubber gasket 5 is connected after passing through central aperture by screw with screw hole 73
On the top of connecting pole 71.In embodiments of the present invention, the inside of sleeve pipe 10 is carried out by rubber gasket 5 and O-ring 6 close
Envelope, reaches efficient sealed effect.
Further, described combined pad 2 is combined by outer cushion block 21, middle spacer 22 and interior cushion block 23, described
Outer cushion block 21, middle spacer 22 and interior cushion block 23 on offer and be engaged with the measuring microphone 11 of different size in
Hole, described middle spacer 22 is embedded in the endoporus of outer cushion block 21, and described interior cushion block 23 is embedded in the interior of middle spacer 22
Kong Zhong.In use, selection can be carried out to combined pad 2 according to the measuring microphone 11 of different size to assemble, strengthened
The applicability of test device.
Further, the centre of described dial 1 offer the outer end that makes measuring microphone 11 and it is extraneous communicate it is logical
With horizontal and vertical scale on hole, described dial 1.The earphone position on both sides can be conveniently reached by horizontal and vertical scale
Put and be consistent.
Further, the top of described measuring head 4 is provided with supporting table 43, and the upper surface of described supporting table 43 is upper
Convex face, the top side of described support column 7 offers the tongue-and-groove 74 being engaged with sleeve pipe 10.The setting of tongue-and-groove 74 is favourable
In the connection reliability for improving measuring head 4 and support column 7, prevent from departing from.
A kind of headphone test device of the present invention, it is rational in infrastructure, it is aesthetic in appearance, it is respectively mounted at the two ends of measuring head 4
There is the dial 1 with horizontal and vertical scale, the earphone position on convenient regulation both sides is consistent, and improves the degree of accuracy of test；
Spring retaining ring 3 is can reach by set screw 9 to shrink so as to which measuring microphone 11 be fixed, and improves the stabilization of measuring microphone 11
Property, it is to avoid the disturbed test because of vibrations, contribute to the raising of measuring accuracy；O-ring 6 and the combination of rubber gasket 5 reach dual
Sealed effect, while improve the stability of measuring head 4, prevents occurring rocking and cause test not accurate test process is red；
Combined pad 2 according to the specification size of measuring microphone 11 can select being applied in combination, and can coordinate the measurement of sizes
Microphone, expands the scope of application of measuring head 4.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of headphone test device, including dial (1), combined pad (2), spring retaining ring (3), measuring head (4),
Rubber gasket (5), O-ring (6), support column (7), base (8), sleeve pipe (10) and measuring microphone (11), it is characterised in that：
Described support column (7) is arranged on base (8), and connecting pole (71), described connection are provided with the top of described support column (7)
The lower end excircle of post (71) offers U-type groove (72), and described O-ring (6) is fixed in U-type groove (72), described rubber
Sealing gasket (5) is fixed by screws in inside the top of connecting pole (71), described measuring head (4) and offers hollow hole (41),
It is fixed at the top of described sleeve pipe (10) in the hollow hole of measuring head (4) (41), described sleeve pipe (10) bottom is set in support
On connecting pole (71) at the top of post (7), the two ends of described measuring head (4) symmetrically offer microphone and install groove, described
The inner of measuring microphone (11) is connected by spring retaining ring (3) with the fit inside that microphone installs groove, measuring microphone
(11) outside that groove is installed in outer end by combined pad (2) and microphone is connected, the two ends of described measuring head (4)
Dial (1) is mounted on face.
2. a kind of headphone test device as claimed in claim 1, it is characterised in that：The side of described measuring head (4)
Face symmetrically offers screw hole (42), and described screw hole (42) is corresponding with the fixed position of spring retaining ring (3), each screw
A set screw (9) is threadedly coupled on hole (42), spring retaining ring (3) is shunk and then fixation measuring by set screw (9)
Microphone (11).
3. a kind of headphone test device as claimed in claim 2, it is characterised in that：Described spring retaining ring (3) is
The stretchy nylon ring of side openings.
4. a kind of headphone test device as claimed in claim 1, it is characterised in that：The top of described connecting pole (71)
End offers screw hole (73), and described rubber gasket (5) is the sealing gasket of central aperture groove at side surface, and described rubber is close
Packing (5) passes through the top for being fastened on connecting pole (71) after central aperture with screw hole (73) by screw.
5. a kind of headphone test device as claimed in claim 1, it is characterised in that：Described combined pad (2) by
Outer cushion block (21), middle spacer (22) and interior cushion block (23) are combined, described outer cushion block (21), middle spacer (22) and interior
Offered on cushion block (23) in the endoporus being engaged with the measuring microphone (11) of different size, described middle spacer (22)
In the endoporus for being embedded in outer cushion block (21), described interior cushion block (23) is embedded in the endoporus of middle spacer (22).
6. a kind of headphone test device as claimed in claim 1, it is characterised in that：In described dial (1)
Between offer on the outer end for making measuring microphone (11) and the extraneous through hole communicated, described dial (1) with horizontal and vertical
Scale.
7. a kind of headphone test device as claimed in claim 1, it is characterised in that：The top of described measuring head (4)
End is provided with supporting table (43), and the upper surface of described supporting table (43) is convex arcwall face.
8. a kind of headphone test device as claimed in claim 1, it is characterised in that：Described support column (7) it is upper
Portion side offers the tongue-and-groove (74) being engaged with sleeve pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366730.7A CN107135457B (en) | 2017-05-23 | 2017-05-23 | Headset testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366730.7A CN107135457B (en) | 2017-05-23 | 2017-05-23 | Headset testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107135457A true CN107135457A (en) | 2017-09-05 |
| CN107135457B CN107135457B (en) | 2023-01-31 |
Family
ID=59733287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710366730.7A Active CN107135457B (en) | 2017-05-23 | 2017-05-23 | Headset testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107135457B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010041638A (en) * | 2008-08-08 | 2010-02-18 | Panasonic Corp | Examination apparatus for microphone device |
| CN201805550U (en) * | 2010-04-06 | 2011-04-20 | 北京声望声电技术有限公司 | Acoustic test box |
| CN102769816A (en) * | 2012-07-18 | 2012-11-07 | 歌尔声学股份有限公司 | Device and method for testing noise-reduction earphone |
| CN103027688A (en) * | 2012-11-06 | 2013-04-10 | 北京交通大学 | Otoacoustic emission simulation and test system |
| JP2013143612A (en) * | 2012-01-10 | 2013-07-22 | Foster Electric Co Ltd | Measurement mounting member of insert type headphone |
| CN205902023U (en) * | 2016-07-25 | 2017-01-18 | 深圳市冠旭电子股份有限公司 | Scale disk earphone fine setting structure and earphone |
| CN206807778U (en) * | 2017-05-23 | 2017-12-26 | 杭州兆华电子有限公司 | A kind of headphone test device |
-
2017
- 2017-05-23 CN CN201710366730.7A patent/CN107135457B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010041638A (en) * | 2008-08-08 | 2010-02-18 | Panasonic Corp | Examination apparatus for microphone device |
| CN201805550U (en) * | 2010-04-06 | 2011-04-20 | 北京声望声电技术有限公司 | Acoustic test box |
| JP2013143612A (en) * | 2012-01-10 | 2013-07-22 | Foster Electric Co Ltd | Measurement mounting member of insert type headphone |
| CN102769816A (en) * | 2012-07-18 | 2012-11-07 | 歌尔声学股份有限公司 | Device and method for testing noise-reduction earphone |
| CN103027688A (en) * | 2012-11-06 | 2013-04-10 | 北京交通大学 | Otoacoustic emission simulation and test system |
| CN205902023U (en) * | 2016-07-25 | 2017-01-18 | 深圳市冠旭电子股份有限公司 | Scale disk earphone fine setting structure and earphone |
| CN206807778U (en) * | 2017-05-23 | 2017-12-26 | 杭州兆华电子有限公司 | A kind of headphone test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107135457B (en) | 2023-01-31 |
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| CB02 | Change of applicant information |
Address after: 310000 No. 10, Xianqiao Road, Zhongtai street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Zhaohua Electronics Co.,Ltd. Address before: 310000 building 1-3, No. 31-1, Xianxing Road, Xianlin street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: CRY SOUND CO.,LTD. |
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| GR01 | Patent grant |