CN207820172U - Wear-type sound field device - Google Patents
Wear-type sound field device Download PDFInfo
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- CN207820172U CN207820172U CN201820200750.7U CN201820200750U CN207820172U CN 207820172 U CN207820172 U CN 207820172U CN 201820200750 U CN201820200750 U CN 201820200750U CN 207820172 U CN207820172 U CN 207820172U
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- acoustic baffling
- sound field
- baffling ear
- loud speaker
- wear
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Abstract
The utility model discloses a kind of wear-type sound field devices, including Acoustic baffling ear shield, loud speaker and connecting bracket, the loud speaker is located in Acoustic baffling ear shield and is fixedly connected with Acoustic baffling ear shield, the Acoustic baffling ear shield is two and is connected to the both ends of connecting bracket, and the loud speaker is two and is correspondingly arranged respectively with two Acoustic baffling ear shields.Can be mutually isolated by tested left and right ear all using two Acoustic baffling ear shields, test sound is played with loud speaker, can isolation test be carried out to the ears by degree person respectively.It solves the problems, such as the noise jamming in current Free field measurement, to the problem of eavesdropping of picking up the ears, space hold problem and the method for optimizing Free field measurement, makes sound field audiometry in clinical audition inspection using wider.
Description
Technical field
The utility model is related to a kind of simulated sound field device, more particularly to a kind of wear-type sound field device.
Background technology
Sound field (sound field), the part medium range for having sound wave to propagate wherein, refers to having bullet existing for sound wave
The space that property medium is occupied.Medium can be gas, liquid and solid, and the medium that environmental acoustics is related to is mainly air.Sound
Field can be divided into free found field (free field) and reverberant field (reverberant field), diffusion sound field again
(diffuse sound field) etc..
Audiological examination often uses sound field audiometry, most common threshold of audibility survey after having naked ear hearing threshold test, hearing aid fits
Hearing threshold test after fixed and artificial cochlea wears, the unavailable conductance earphone of these tests are completed, can only be completed under sound field.Pass through
Free field measurement can preferably test out the threshold level of listening of children, and assess the effect after hearing aid and artificial cochlea's wearing, be hearing
It learns rehabilitation and objective test result is provided, the setting of recovering aid scheme has important clinical meaning.
When sound field audiometry, ears do not have an earphone covering, the ambient noise bigger of reception, and the accuracy of test result can be by
It is certain to influence；When the naked ear threshold of audibility of sound field audiometry, sound passes to ears simultaneously, and the ears that test result reflects subject are listened
Ability is listened, if diotic hearing power is variant, what is reflected has been ear situation, if it is desired to the monaural threshold of audibility is tested under sound field conditions,
Then need to cover up other side ear with earphone, if but stimulation sound it is too strong also will appear eavesdrop phenomenon；Sound field audiometry hearing aid
The threshold of audibility needs when test one is picked up the ears another hearing aid or artitificial ear picked up the ears after the threshold of audibility and artificial cochlea wear after device is worn
Snail device is closed or is not worn, the complex trouble of operating process.
Establishing sound field has certain environmental requirement, exactly needs to build soundproof room, usually ensures left and right sound field and subject
Between have 1 meter of distance, it is meant that for Free field measurement than the sound deadening space bigger that the test of common audiology needs, input is more.
Utility model content
It is good that the purpose of this utility model is to provide a kind of soundproof effects, the low wear-type sound field device of environmental sensibility.
One side according to the present utility model provides a kind of wear-type sound field device, including Acoustic baffling ear shield, loud speaker
And connecting bracket, the loud speaker are located in Acoustic baffling ear shield and are fixedly connected with Acoustic baffling ear shield, the Acoustic baffling ear shield be two simultaneously
The both ends of connecting bracket are connected to, the loud speaker is two and is correspondingly arranged respectively with two Acoustic baffling ear shields.It adopts as a result,
Can be mutually isolated by tested left and right ear all with two Acoustic baffling ear shields, with loud speaker play test sound, can respectively to by
The ears of degree person carry out isolation test.
In some embodiments, the Acoustic baffling ear shield includes circular cowling edge and camber cover body, the side of the camber cover body
Edge is fixedly connected with circular cowling edge, and the circular cowling edge and camber cover body are made of acoustic material or high density sound-absorbing material,
The circular cowling edge is airbag structure.Circular cowling edge can comfortably be close to human body head as a result, and camber cover body can wrap up human body ear
And the hearing devices such as hearing aid are without crushing device.
In some embodiments, a diameter of 15~20cm of the circular cowling edge, the interior depth of the camber cover body is 9~
10cm.It can make have enough spaces to simulate sound field environment in Acoustic baffling ear shield as a result,.
In some embodiments, wear-type sound field device further includes moving casing, and the loud speaker includes conducting wire harmony
Cylinder, one end of the moving casing are fixedly connected with Acoustic baffling ear shield, and the cylinder record is fixed on the other end of moving casing, described to lead
Line is connect across moving casing with cylinder record.As a result, moving casing it is flexible or it is flexible with coordinate different sound receivers into
Row Free field measurement.
In some embodiments, the moving casing includes scalable distortion casing, the first jointing and the second company
Connector, between the first jointing of the scalable distortion casing connection and the second jointing, first jointing
It is fixedly connected with Acoustic baffling ear shield, second jointing is fixedly connected with cylinder record.Scalable distortion casing can be stretched as a result,
Contracting and bending, to coordinate to human ear or different device be helped to test.
The utility model has the beneficial effects that：It solves the problems, such as the noise jamming in current Free field measurement, ask picking up the ears to eavesdrop
Topic, space hold problem and the method for optimizing Free field measurement make sound field audiometry in clinical audition inspection using wider.
Description of the drawings
Fig. 1 is the structural schematic diagram of the wear-type sound field device of one embodiment of the utility model；
Fig. 2 is the usage state diagram of wear-type sound field device shown in Fig. 1.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 schematically shows a kind of wear-type sound field device of embodiment according to the present utility model.
Referring to Figures 1 and 2, wear-type sound field device includes Acoustic baffling ear shield 1, loud speaker 2, connecting bracket 3 and moving casing
4.Loud speaker 2 is located in Acoustic baffling ear shield 1 and is fixedly connected with Acoustic baffling ear shield 1, and Acoustic baffling ear shield 1 is two and is connected to connection
The both ends of holder 3, loud speaker 2 are two and are correspondingly arranged respectively with two Acoustic baffling ear shields 1.Connecting bracket 3 is arc-shaped, when use
It wears in conductance stretching structure on subject's head, can be used to adjust the wearing position of Acoustic baffling ear shield 1.
Acoustic baffling ear shield 1 includes circular cowling edge 11 and camber cover body 12, and edge and the circular cowling edge 11 of camber cover body 12 are fixed
Connection.Camber cover body 12 is in semi-circular shell structure, and circular cowling edge 11 is hollow airbag structure.Circular cowling edge 11 and camber
Cover body 12 is all made of acoustic material or high density sound-absorbing material makes.Circular cowling edge 11 can be with the head around the ear of wearer
Fitting, airbag structure design can increase comfort level and compactness, can fit closely but will not crushing user ear hearing aid
The hearing devices such as device.Acoustic baffling ear shield 1 may replace the soundproof room in sound field audiometry, make an uproar outside space-saving while effective isolation
Sound, and the too strong test tone to being sent out in Acoustic baffling ear shield 1 can also carry out absorption isolation, anti-leak-stopping sound.
The diameter of circular cowling edge 11 is set as 15~20cm, and the internal depth of camber cover body 12 is set as 9~10cm.It can use
Certain space is formed to simulate the Free field measurement space of soundproof room outside the ear of person.
Loud speaker 2 includes conducting wire 21 and cylinder record 22, and conducting wire 21 is used to test the transmission of sound, and cylinder record 22 is for testing sound
Broadcasting.One end of moving casing 4 can be fixedly connected with the camber cover body 12 of Acoustic baffling ear shield 1, and cylinder record 22 is fixed on moving casing 4
The other end.Conducting wire 21 passes through camber cover body 12 and is connect with cylinder record 22 across the inside of moving casing 4.
Moving casing 4 includes scalable distortion casing 41, the first jointing 42 and the second jointing 43.Scalable torsion
Bent casing 41 can be used the scalable material such as TPE and make.Scalable distortion casing 41 connects the first jointing 42 and second and connects
Between connector 43, the first jointing 42 is fixedly connected with Acoustic baffling ear shield 1, and the second jointing 43 is fixed with cylinder record 22 to be connected
It connects.
When carrying out naked ear situation test, the cylinder record 22 of loud speaker 2 is directed at external auditory canal edge, makes the directly incoming ear of test tone
It is interior.When assessing hearing aid, the cylinder record 22 of loud speaker 2 should be placed at the microphone of hearing aid, be spoken against microphone.
When assessing artificial cochlea, the cylinder record 22 of loud speaker 2 should then be directed at external sound reception device of artificial cochlea etc..
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to this practicality
Novel protection domain.
Claims (5)
1. a kind of wear-type sound field device, it is characterised in that：Including Acoustic baffling ear shield (1), loud speaker (2) and connecting bracket (3), institute
It states loud speaker (2) to be located in Acoustic baffling ear shield (1) and be fixedly connected with Acoustic baffling ear shield (1), the Acoustic baffling ear shield (1) is two and divides
It is not connected to the both ends of connecting bracket (3), the loud speaker (2) is two and is correspondingly arranged respectively with two Acoustic baffling ear shields (1).
2. wear-type sound field device according to claim 1, it is characterised in that：The Acoustic baffling ear shield (1) includes circular cowling
The edge of edge (11) and camber cover body (12), the camber cover body (12) is fixedly connected with circular cowling edge (11), the circular cowling
Edge (11) and camber cover body (12) are made of acoustic material or sound-absorbing material, and the circular cowling edge (11) is airbag structure.
3. wear-type sound field device according to claim 2, it is characterised in that：A diameter of the 15 of the circular cowling edge (11)
The interior depth of~20cm, the camber cover body (12) are 9~10cm.
4. wear-type sound field device according to claim 1,2 or 3, it is characterised in that：Further include moving casing (4), institute
It includes conducting wire (21) and cylinder record (22) to state loud speaker (2), and one end of the moving casing (4) is fixedly connected with Acoustic baffling ear shield (1),
The cylinder record (22) is fixed on the other end of moving casing (4), and the conducting wire (21) passes through moving casing (4) to connect with cylinder record (22)
It connects.
5. wear-type sound field device according to claim 4, it is characterised in that：The moving casing (4) includes scalable
Distort casing (41), the first jointing (42) and the second jointing (43), the scalable distortion casing (41) connects the
Between one jointing (42) and the second jointing (43), first jointing (42) and the fixed company of Acoustic baffling ear shield (1)
It connects, second jointing (43) is fixedly connected with cylinder record (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200750.7U CN207820172U (en) | 2018-02-05 | 2018-02-05 | Wear-type sound field device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200750.7U CN207820172U (en) | 2018-02-05 | 2018-02-05 | Wear-type sound field device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207820172U true CN207820172U (en) | 2018-09-04 |
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ID=63320595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820200750.7U Active CN207820172U (en) | 2018-02-05 | 2018-02-05 | Wear-type sound field device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207820172U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937953A (en) * | 2018-09-21 | 2018-12-07 | 佛山市威耳听力技术有限公司 | Adjustable ear-shield type hearing test device |
| CN111110248A (en) * | 2020-01-14 | 2020-05-08 | 孙晓鹏 | Method for detecting tinnitus in ear-nose-throat department |
-
2018
- 2018-02-05 CN CN201820200750.7U patent/CN207820172U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937953A (en) * | 2018-09-21 | 2018-12-07 | 佛山市威耳听力技术有限公司 | Adjustable ear-shield type hearing test device |
| CN108937953B (en) * | 2018-09-21 | 2024-03-29 | 广州市清晰医疗器械有限公司 | Adjustable earmuff type hearing test device |
| CN111110248A (en) * | 2020-01-14 | 2020-05-08 | 孙晓鹏 | Method for detecting tinnitus in ear-nose-throat department |
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