CN203435147U - Earphone testing apparatus - Google Patents
Earphone testing apparatus Download PDFInfo
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- CN203435147U CN203435147U CN201320397091.8U CN201320397091U CN203435147U CN 203435147 U CN203435147 U CN 203435147U CN 201320397091 U CN201320397091 U CN 201320397091U CN 203435147 U CN203435147 U CN 203435147U
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- pushing block
- plane
- test device
- earphone
- pressure
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Abstract
The utility model discloses an earphone testing apparatus, comprising an artificial head, a left artificial ear and a right artificial ear, wherein the left artificial ear and the right artificial ear are symmetrically arranged at two sides of the artificial head. The earphone testing apparatus also comprises two pressure testing devices which are respectively symmetrically arranged at different sides of the left and right artificial ears. Each pressure testing device comprises a weight measurement display device and a push block arranged on the weight measurement display device. When an external force in the horizontal direction is acted on an inclined surface of the push block, the external force forms a pushing force in the same direction and a pressing force vertical to the weight measurement display device, wherein the weight measurement display device can timely display the value of pressure. The earphone testing apparatus improves the coupling degree of earmuffs and the artificial ears, so that data in the earphone test are enabled to be accurate and credible. In addition, the earphone testing apparatus fully uses the mechanics principles, can accurately master the coupling degree of the earmuffs and the artificial ears by a simple electronic scale, and is simple in structure and convenient to manufacture and use.
Description
Technical field
The utility model relates to testing apparatus field, relates in particular to a kind of earphone test device.
Background technology
In existing headphone testing apparatus, generally, under the elastic force effect of the arc stent by headphone, the earmuff of headphone is attached on artitificial ear.Due to the restriction of support self material, the problem such as its elastic force that can provide can not be grasped, elastic force is unbalanced, therefore, in headphone test, the degree of coupling of earmuff and artitificial ear is difficult to accurately control, and causes test condition to produce difference, and the consistency of measurement data reduces.
Utility model content
Main purpose of the present utility model is to provide a kind of earphone test device, be intended to by applying and can estimate after the active force obtaining being attached at two earmuffs on the artitificial ear of left and right, the degree of coupling of earmuff and artitificial ear can be controlled better, guarantee that the measurement data in earphone test process can be more accurate.
To achieve these goals, the utility model provides a kind of earphone test device, comprise artificial head, and the left and right artitificial ear that is symmetrically set in these artificial head both sides, also comprise two pressure test devices that are separately positioned on left and right artitificial ear heteropleural and are mutually symmetrical, described pressure test device comprises:
For weighing and the weight data being weighed to carried out the weight measurement display unit of electronical display;
Be located at the pushing block in described weight measurement display unit, this pushing block comprises bottom surface, perpendicular to the vertical plane of this bottom surface, and the inclined-plane that connects described bottom surface and vertical plane, and wherein, the vertical plane of described pushing block is located at by artitificial ear direction one side;
Promote described pushing block along thrust unit close or that move away from artitificial ear direction, this thrust unit is connected with the inclined-plane of pushing block.
Preferably, described earphone test device also comprises test platform, and described artificial head, weight measurement display unit and thrust unit are located on described test platform.
Preferably, described thrust unit comprises:
Fixed head, this fixed head is located on described test platform, and described fixed head is provided with the axle center screw parallel with pushing block moving direction;
Pressure revolves rod, and this pressure revolves excellent one end and is provided with the screw thread with the screw adaptation of described fixed head, and described pressure revolves excellent other end top and is pressed on described pushing block inclined-plane.
Preferably, the length that described pressure revolves the screw thread that excellent one end is provided with is greater than the thickness of fixed head.
Preferably, described weight measurement display unit is provided with the gathering sill parallel with described pushing block moving direction, and the bottom surface of described gathering sill and described pushing block is adaptive.
Preferably, the vertical plane of described pushing block is rectangle or square.
Preferably, the inclined-plane of described pushing block is parallel with the top line that described vertical plane is connected with inclined-plane with the bottom line that bottom surface connects.
Preferably, the vertical plane of the pushing block of described two pressure test devices is parallel to each other.
Preferably, shape angle at 45 ° between the inclined-plane of described pushing block and bottom surface.
The utility model proposes a kind of earphone test device, comprising artificial head, and the left and right artitificial ear that is symmetrically set in these artificial head both sides, also comprise two pressure test devices that left and right artitificial ear heteropleural are set respectively and are mutually symmetrical.Wherein, this pressure test device comprises weight measurement display unit and is located at the pushing block in this weight measurement display unit, described pushing block comprises bottom surface, perpendicular to the vertical plane of this bottom surface, and the inclined-plane that is positioned at described vertical plane relative direction one side, and the vertical plane of the pushing block of described two pressure test devices is located at by artitificial ear direction heteropleural and parallel to each other.In the time of on the inclined-plane of the External Force Acting by horizontal direction at pushing block, this external force will form one with the thrust of this external force equidirectional and perpendicular to the pressure of weight test display apparatus, the size of the demonstration force value that wherein, gravity test display apparatus can be real-time.
Therefore, when the same position point to the inclined-plane of the pushing block of two pressure test devices respectively applies after the pressure of horizontal relative direction, when demonstration force value in the gravity test display apparatus in two pressure test devices size is identical, this thrust that shows to act in the relative direction producing behind the inclined-plane of the pushing block of pressure test device is between two also identical.Now, left and right earmuff is fastened on respectively on the artitificial ear of left and right, and the vertical plane of pushing block withstands on earmuff, and this shows that the pressure that left and right earmuff is fastened on the artitificial ear of left and right is identical, and this makes headphone test resulting data will be more accurate.
On this basis, when determining between the inclined-plane of pushing block and bottom surface after formed angle, again according to the shown force value of gravity test display apparatus size, just can calculate accurately the thrust that the vertical plane of pushing block produces earmuff according to trigonometric function relation big or small.
Accompanying drawing explanation
Fig. 1 is the structural representation of earphone test device one embodiment of the present utility model;
Fig. 2 is the structural representation of the pushing block of earphone test device one embodiment of the present utility model;
Fig. 3 is that in earphone test device one embodiment of the present utility model, pushing block is subject to the mechanics exploded view after thrust;
Fig. 4 is the structural representation of thrust unit in earphone test device one embodiment of the present utility model.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment solution is mainly: the utility model proposes a kind of earphone test device, comprise artificial head, an and left side that is symmetrically set in these artificial head both sides, right artitificial ear, also comprise a left side is set respectively, right artitificial ear heteropleural and two pressure test devices that are mutually symmetrical, wherein, this pressure test device comprises weight measurement display unit and is located at the pushing block in this weight measurement display unit, described pushing block comprises bottom surface, vertical plane perpendicular to this bottom surface, and the inclined-plane that is positioned at described vertical plane relative direction one side, and the vertical plane of the pushing block of described two pressure test devices is located at by artitificial ear direction heteropleural and parallel to each other.In the time of on the inclined-plane of the External Force Acting by horizontal direction at pushing block, this external force will form one with the pressure of this external force equidirectional and perpendicular to the gravity of weight test display apparatus, wherein, gravity test display apparatus can be real-time the size of demonstration gravity value, tester can be according to showing that gravity value size calculates force value size by trigonometric function relation, and regulate in real time the amount of force of pushing block to earmuff, it will be more accurate making headphone test resulting data.
Please with reference to shown in Fig. 1 to Fig. 4, wherein, Fig. 1 is the structural representation of earphone test device one embodiment of the present utility model; Fig. 2 is the structural representation of the pushing block of earphone test device one embodiment of the present utility model; Fig. 3 is that in earphone test device one embodiment of the present utility model, pushing block is subject to the mechanics exploded view after thrust; Fig. 4 is the structural representation of thrust unit in earphone test device one embodiment of the present utility model.
The utility model one embodiment proposes a kind of earphone test device, comprise artificial head 1, and the left and right artitificial ear 2 that is symmetrically set in these artificial head 1 both sides, also comprising two pressure test devices that are separately positioned on left and right artitificial ear 2 heteropleurals and are mutually symmetrical, described pressure test device comprises:
For weighing and the weight data being weighed to carried out the weight measurement display unit 4 of electronical display;
Be located at the pushing block 3 in described weight measurement display unit 4, this pushing block 3 comprises bottom surface 31, perpendicular to the vertical plane 32 of this bottom surface 31, and the inclined-plane 33 that connects described bottom surface 31 and vertical plane 32; Wherein, the vertical plane 32 of described pushing block 3 is located at by artitificial ear 2 direction one sides;
Promote the thrust unit 7 that described pushing block 3 is close by edge in weight measurement display unit 4, its bottom surface 31 or move away from artitificial ear 2 directions, this thrust unit 7 is connected with the inclined-plane 33 of pushing block 3.
In the utility model actual application, first by earphone, especially the earmuff 5 of headphone covers on artitificial ear 2, thrust P by thrust unit 7 use horizontal directions acts on the inclined-plane 33 of pushing block 3 and moves to earmuff 5 directions to promote pushing block 2 again, and finally vertical plane 32 tops by pushing block 3 are pressed on earmuff 5, during this time, the thrust that the same position on the inclined-plane 33 of the pushing block 3 of two pressure test devices is applied is for the ease of follow-up calculating, toward each other and mutual horizontal parallel preferably, in addition, weight measurement display unit 4 can be selected conventional electronic scale.
Because acting on, horizontal thrust P will resolve into the thrust T of an equidirectional behind the inclined-plane 33 of pushing block 3 and perpendicular to the gravity G of weight measurement display unit 4, thrust T acts on earmuff 5, and gravity G acts in weight measurement display unit 4, the gravity G that can show in real time by weight measurement display unit 4 and the own wt sum of pushing block 3, according to trigonometric function relation, can judge, when the numerical value of the gravity G showing when the weight measurement display unit 4 of two pressure test devices equates, the thrust T that can judge on left and right two earmuffs that the pushing block 3 of two pressure test devices acts on is respectively also identical, therefore, tester can be according to showing that gravity G value judges and regulate the pressure size of 3 pairs of earmuffs 5 of pushing block, it will be more accurate making headphone test resulting data.
In actual application, in order to guarantee that tester can find the same function point on the inclined-plane 33 of pushing block 3 very accurately, facilitate test operation, in the utility model embodiment, the inclined-plane 33 of described pushing block 3 is provided with the gauge point 34 for External Force Acting position.In actual application, tester only need to be connected on this gauge point 34 with thrust unit 7, and the gravity G value adjusting thrust T that then the weight measurement display unit 4 of basis shows is used conveniently, has reduced test error.
In further implementation process, for fear of pushing block 3 being applied to artitificial ear 2 after active force, weight measurement display unit 4 can produce mobile, the problem that is unfavorable for Obtaining Accurate experimental data, in the utility model embodiment, described earphone test device also comprises test platform 6, and this test platform 6 is provided with described artificial head 1, weight measurement display unit 4 and thrust unit 7.
In further implementation process, in order to guarantee that the thrust that pushing block 3 inclined-planes 33 are applied is constant force, guarantee that in earphone test device test process, earmuff 5 keeps constant with the degree of coupling of artitificial ear 2, in the utility model embodiment, described thrust unit 7 comprises:
Fixed head 71, this fixed head 71 is located on described test platform 6, and described fixed head 71 is provided with the axle center screw parallel with pushing block 3 moving directions;
Pressure revolves rod 72, and this pressure revolves excellent 72 one end and is provided with the screw thread 721 with the screw adaptation of described fixed head, and described pressure revolves excellent 72 other ends tops and is pressed on the inclined-plane 33 of described pushing block 3.
The utility model embodiment is in actual application, the screw that is fixed plate 71 by pressure being revolved to rod 72 screw thread 721 carries out to the left or to the right in rotary moving, pressure revolves rod 72 and for the top, one end of screw thread is set, is pressed in the inclined-plane 33 of pushing block 3, and inclined-plane 33 is produced to a horizontal thrust with respect to artitificial ear 2 directions, and finally promote pushing block 3 top and be pressed on earmuff 5, earmuff 5 is fastened on artitificial ear 2.Now, the gravity G showing in real time according to weight measurement display unit 4 also adjusts the degree that pressure revolves rod 72 back-out or precessions at fixed head 71, finally reaches the accurate adjusting of 3 pairs of earmuffs of pushing block, 5 thrust T sizes.And after regulating, thrust T stops pressure revolving rod 72 back-outs at fixed head 71 or precession, make the inclined-plane 33 that pressure revolves 72 pairs of pushing blocks 3 of rod apply the power that orientation is constant, guarantee the stable of thrust T, be more conducive to the stability that in earphone test device test process, experimental data obtains.
In further implementation process, in order to guarantee that pressure revolves rod 72 in promoting the moving process of pushing block 3, can not cause pressure to revolve rod 72 problems that split away off from fixed head 71 because displacement is long, in the utility model embodiment, the length that described pressure revolves the screw thread 721 that excellent 72 one end are provided with is greater than the thickness of fixed head 71.In actual application, the concrete length of screw thread 721 will be set according to actual needs, at this, does not repeat.
In further implementation process, in order to guarantee that pushing block 3 can displacement on weight test display apparatus 4 in moving process, in the utility model embodiment, described weight measurement display unit 4 is provided with the gathering sill (unmarked) parallel with described pushing block 3 moving directions, bottom surface 31 adaptations of described gathering sill and described pushing block 3.
In the actual application of the present embodiment, the bottom surface 31 of pushing block 3 is built in this gathering sill, thrust unit 7 promotes in pushing block 3 moving process, the direction that pushing block 3 limits along gathering sill all the time moves, guaranteed contact point stable between pushing block 3 and earmuff 5, thrust unit 7, this has also just guaranteed the stable of angular relationship between each active force, has guaranteed the stability triangle functional relation between each active force.
In the implementation process of above embodiment, in order to guarantee that although the vertical plane 32 of pushing block 3 and the contact point of earmuff 5 be not to be fixed on very accurately on certain point of vertical plane 32, but still can make active force remain unchanged, in the utility model embodiment, the vertical plane 32 of described pushing block 3 is square or rectangle.
For the ease of determining of the angular relationship between the 31Yu inclined-plane, bottom surface 33 of pushing block 3, in the utility model embodiment, the bottom line that the 33He bottom surface, inclined-plane 31 of described pushing block 3 connects is parallel with the top line that inclined-plane 33 is connected with described vertical plane 32.
In the implementation process of above embodiment, identical all the time in order to guarantee that the vertical plane 32 of the pushing block 3 of two pressure test devices pushes up the contact point being pressed on earmuff 5, even and thrust unit 7 act in the inconsistent situation of thrust direction of 32 pairs of earmuffs 5 of direction and vertical plane of power on inclined-plane 33, but still can guarantee parallel, in the utility model embodiment, the vertical plane 32 of the pushing block 3 of described two pressure test devices is parallel to each other.
In the present embodiment actual application, even if it is inconsistent that thrust unit 7 acts on the direction of power and the thrust direction of 32 pairs of earmuffs 5 of vertical plane on inclined-plane 33, but because the vertical plane 32 of the pushing block 3 of two pressure test devices is parallel to each other, whole power decomposition texture has still kept stable trigonometric function relation, and the pushing block 3 of being still convenient to obtain two pressure test devices is the stable thrust T value to left and right earmuff effect respectively.
In the implementation process of above embodiment, in order to obtain more intuitively thrust T value size, in the utility model embodiment, shape angle at 45 ° between the 33Yu bottom surface 31, inclined-plane of described pushing block 3.Known according to trigonometric function relation, when 33Yu bottom surface, inclined-plane, 31 angles are 45 °, and vertical plane 32 is during perpendicular to ground 31, thrust T value is identical with pressure G value size, namely by the pressure G value size of directly obtaining in weight measurement display unit 4, can know thrust T value size, more be conducive to earphone testing experiment process, more convenient testing crew is used.
Shortcoming and defect compared to existing technology, the utility model is by adopting above-mentioned design and improvement, this makes the utlity model has following advantage: earphone test device of the present utility model has improved the degree of coupling of earmuff and artitificial ear, makes in earphone test data more accurately credible; Earphone test device of the present utility model makes full use of mechanics principle, by simple electronic scale, just can accurately grasp earmuff and artitificial ear degree of coupling, simple in structure, manufacture, easy to use.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. an earphone test device, comprise artificial head, and the left and right artitificial ear that is symmetrically set in these artificial head both sides, it is characterized in that, also comprise two pressure test devices that are separately positioned on left and right artitificial ear heteropleural and are mutually symmetrical, described pressure test device comprises:
For weighing and the weight data being weighed to carried out the weight measurement display unit of electronical display;
Be located at the pushing block in described weight measurement display unit, this pushing block comprises bottom surface, perpendicular to the vertical plane of this bottom surface, and the inclined-plane that connects described bottom surface and vertical plane, and wherein, the vertical plane of described pushing block is located at by artitificial ear direction one side;
Promote described pushing block along thrust unit close or that move away from artitificial ear direction, this thrust unit is connected with the inclined-plane of pushing block.
2. earphone test device as claimed in claim 1, is characterized in that, also comprises test platform, and described artificial head, weight measurement display unit and thrust unit are located on described test platform.
3. earphone test device as claimed in claim 2, is characterized in that, described thrust unit comprises:
Fixed head, this fixed head is located on described test platform, and described fixed head is provided with the axle center screw parallel with pushing block moving direction;
Pressure revolves rod, and this pressure revolves excellent one end and is provided with the screw thread with the screw adaptation of described fixed head, and other end top is pressed on described pushing block inclined-plane.
4. earphone test device as claimed in claim 3, is characterized in that, the length that described pressure revolves the screw thread that excellent one end is provided with is greater than the thickness of fixed head.
5. earphone test device as claimed in claim 4, is characterized in that, described weight measurement display unit is provided with the gathering sill parallel with described pushing block moving direction, and the bottom surface of described gathering sill and described pushing block is adaptive.
6. the earphone test device as described in claim 1 to 5 any one, is characterized in that, the vertical plane of described pushing block is rectangle or square.
7. earphone test device as claimed in claim 6, is characterized in that, the inclined-plane of described pushing block is parallel with the top line that described vertical plane is connected with inclined-plane with the bottom line that bottom surface connects.
8. the earphone test device as described in claim 1 to 5 any one, is characterized in that, the vertical plane of the pushing block of described two pressure test devices is parallel to each other.
9. earphone test device as claimed in claim 8, is characterized in that, shape angle at 45 ° between the inclined-plane of described pushing block and bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397091.8U CN203435147U (en) | 2013-07-04 | 2013-07-04 | Earphone testing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320397091.8U CN203435147U (en) | 2013-07-04 | 2013-07-04 | Earphone testing apparatus |
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| CN203435147U true CN203435147U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320397091.8U Expired - Lifetime CN203435147U (en) | 2013-07-04 | 2013-07-04 | Earphone testing apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107714047A (en) * | 2017-11-03 | 2018-02-23 | 佛山博智医疗科技有限公司 | Stent-type sound insulation listening device |
| CN108462930A (en) * | 2017-12-19 | 2018-08-28 | 深圳市豪恩声学股份有限公司 | Earphone diaphragm compression test system, method and computer storage media |
| CN108781324A (en) * | 2016-03-17 | 2018-11-09 | 声奇股份公司 | Earphone tests system |
-
2013
- 2013-07-04 CN CN201320397091.8U patent/CN203435147U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108781324A (en) * | 2016-03-17 | 2018-11-09 | 声奇股份公司 | Earphone tests system |
| US10720144B2 (en) | 2016-03-17 | 2020-07-21 | Soundchip Sa | Earphone test system |
| CN108781324B (en) * | 2016-03-17 | 2021-05-25 | 声奇股份公司 | Earphone test system |
| CN107714047A (en) * | 2017-11-03 | 2018-02-23 | 佛山博智医疗科技有限公司 | Stent-type sound insulation listening device |
| CN108462930A (en) * | 2017-12-19 | 2018-08-28 | 深圳市豪恩声学股份有限公司 | Earphone diaphragm compression test system, method and computer storage media |
| CN108462930B (en) * | 2017-12-19 | 2020-09-04 | 深圳市豪恩声学股份有限公司 | Earphone diaphragm compression-resistant test system, method and computer storage medium |
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Granted publication date: 20140212 |
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| CX01 | Expiry of patent term |