CN203399290U - Tester for earphone clamp forces - Google Patents
Tester for earphone clamp forces Download PDFInfo
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- CN203399290U CN203399290U CN201320537360.6U CN201320537360U CN203399290U CN 203399290 U CN203399290 U CN 203399290U CN 201320537360 U CN201320537360 U CN 201320537360U CN 203399290 U CN203399290 U CN 203399290U
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- earphone
- tester
- testing
- data acquisition
- pressure sensor
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Abstract
The utility model discloses a tester for earphone clamp forces. The tester for the earphone clamp forces includes an earphone to be tested, and testing equipment used for testing clamp forces. The testing equipment includes a testing device, and the tester which is connected with the testing device and used for collecting testing data obtained by the testing equipment. The testing device includes one or more pressure testers arranged on the earphone. The tester includes a shell; a main control module mounted in the shell; and a pressure data acquisition module, a display screen, a key module, a USB interface, one or more data acquisition ports, a chargeable battery and a power source module which are connected with the main control module. The tester for earphone clamp forces is advantageous in that: the tester for earphone clamp forces is convenient to use, since pressures of every contact point can be obtained directly by actual wearing through arranging a pressure sensor at the contact position of the earphone and a human body; no testing support is needed, so that resource is saved; and a plurality of sensors can be arranged flexibly according to requirements by employing movable pasting taps, so that the testing result is made more elaborate and accurate.
Description
Technical field
The utility model relates to a kind of earphone clip force tester.
Background technology
Requirement in the tangible tonequality of high-quality headphone or in the comfortableness of wearing is all very high, and the folder power that a large problem of General Influence comfortableness is exactly headphone, must consider that in the design phase whether the size of the power of pressing from both sides is moderate conventionally.The test of headphone folder power at present, the main dynamometer that adopts is placed on testing jig and utilizes a pair of clamping plate of testing jig that dynamometer is clamped, then two ears of clamping plate being used as to people are placed on headphone on testing jig, two of the left and right phonation unit of headphone produces folder power to clamping plate, thereby the instrumentation axle on dynamometer top is produced to a folder power, and tester just can record the size of folder power.But the data that this method is measured are more coarse, and cannot measure the pressure size of headband to head.In addition, need to be by testing jig in test process, very inconvenient.
Utility model content
In order to solve existing headphone folder power test above shortcomings, the utility model provides a kind of design of earphone clip force tester.
A kind of earphone clip force tester, comprise earphone to be tested, and for the testing equipment of test clip power, described testing equipment comprises the testing apparatus being arranged on earphone, and be connected with testing apparatus for collecting the tester of the test data that testing apparatus obtains.
Described testing equipment comprises the one or more pressure testers that are arranged on earphone.
Described pressure tester is electronics strain gauge pressure sensor, and electronics strain gauge pressure sensor is arranged at respectively the inner side of headband inner side, left phonation unit and right phonation unit, and is connected with tester by connecting line.
The described electronics strain gauge pressure sensor back side is provided with for being fixed in the high movable adhesive band on earphone.
Described electronics strain gauge pressure sensor is provided with and is socketed on its surrounding for the protection of the screening glass of pressure sensor.
Described tester comprises housing, be installed on the main control module in housing, be arranged at the pressure data acquisition module, display screen, key-press module, the USB interface that are connected with main control module respectively on housing, and for one or more data acquisition mouths of Bonding pressure tester; Also be provided with rechargeable battery and connected power module for powering.
Described pressure data acquisition module comprises resistance bridge and the amplifying circuit being connected with resistance bridge, and the arm using electronics strain gauge pressure sensor as resistance bridge.
Also be provided with the analog to digital converter ADC being connected with amplifying circuit, analog to digital converter ADC carries out the signal of amplifying circuit to send to main control module after analog-to-digital conversion.
Data acquisition mouth adopts the three-dimensional adapter of 2.5mm, and connecting line is used in conjunction with by stereoscopic plug and the three-dimensional adapter of 2.5mm.
Also be provided with the testing circuit module being connected with data acquisition mouth and main control module respectively.
In sum, the utlity model has following beneficial effect: (1) utilizes pressure sensor to stick on the position that earphone contacts with human body, by wearing of reality, just can directly obtain the pressure size of each contact point, very convenient; (2) without use test frame, saved resource; (3) a plurality of transducers can enough according to demand arrange flexibly by high movable adhesive band, and test result is more careful accurately.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of a kind of earphone clip force tester described in the utility model;
Fig. 2 is the structural representation of electronics strain gauge pressure sensor described in the utility model;
Fig. 3 is the cross-sectional structure schematic diagram of electronics strain gauge pressure sensor described in the utility model;
Fig. 4 is the framework schematic diagram of tester described in the utility model;
Fig. 5 is the First Principle schematic diagram that a kind of earphone clip force tester folder power described in the utility model gathers;
Fig. 6 is the second principle schematic that a kind of earphone clip force tester folder power described in the utility model gathers;
Fig. 7 is the principle schematic of testing circuit module described in the utility model.
Embodiment
In order to allow those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Figure 1, the utility model has disclosed a kind of earphone clip force tester, comprise earphone to be tested 1, and for the testing equipment of test clip power, described testing equipment comprises the testing apparatus being arranged on earphone, and is connected with testing apparatus for collecting the tester 2 of the test data that testing apparatus obtains.Described testing equipment comprises the one or more pressure testers that are arranged on earphone.Described pressure tester is electronics strain gauge pressure sensor 3, and electronics strain gauge pressure sensor is arranged at respectively the inner side of headband inner side, left phonation unit and right phonation unit, and is connected with tester by connecting line 4.
Described tester 2 comprises housing 21, be installed on the main control module in housing, and be arranged at the pressure data acquisition module being connected with main control module respectively on housing 21, display screen 22, key-press module 23, USB interface 24 and for one or more data acquisition mouths 25 of Bonding pressure tester.Also be provided with rechargeable battery and connected power module for powering.As shown in Figure 4, wherein rechargeable battery and power module do not mark the frame diagram of tester 2.
As shown in Figures 2 and 3; described electronics strain gauge pressure sensor 3 back sides are provided with for being fixed in the high movable adhesive band 31 on earphone; electronics strain gauge pressure sensor is provided with and is socketed on its surrounding for the protection of the screening glass 32 of pressure sensor, and is provided with the connecting line 4 being connected with tester.
As shown in Figure 1, electronics strain gauge pressure sensor 3 is pasted on to the inner side of the headband inner side of earphone 1, left phonation unit and right phonation unit by the high movable adhesive band 31 at the back side, and by connecting line 4 with data acquisition mouth 25 be connected, setting rear tester can directly wear earphone, now, each electronics strain gauge pressure sensor will pressurized.
As shown in Fig. 5 and Fig. 6, the amplifying circuit B that pressure data acquisition module comprises resistance bridge A and is connected with resistance bridge.When electronics strain gauge pressure sensor is by interface data acquisition port J1 when access, electronics strain gauge pressure sensor is as an arm (being R2) of resistance bridge A.R1, R2, R3 is fixed value resistance.Its resistance value of electronics strain gauge pressure sensor of pressurized can change, the resistance variations of R2 causes the variation of resistance bridge A electric current, the current changing signal of resistance bridge A amplifies by amplifying circuit B, then by with amplifying circuit B(by VOUT port) the analog to digital converter ADC that is connected carries out sending to main control module after analog-to-digital conversion.Pressure data acquisition module can arrange a plurality of, respectively corresponding a plurality of different electronics strain gauge pressure sensors, main control module calculates the suffered pressure of each electronics strain gauge pressure sensor according to each data-signal receiving, then by display screen 22, show, and can switch and check various data by key-press module.
Test the data that obtain and not only can on pressure tester, show, key-press module can operate the data that show.The data that test obtains also can export to by USB interface on the equipment such as PC, and meanwhile, pressure tester also charges by USB interface.
Data acquisition mouth can adopt the three-dimensional adapter (being similar to 2.5mm earphone interface) of 2.5mm, and connecting line is used in conjunction with by stereoscopic plug and the three-dimensional adapter of 2.5mm.
Also be provided with the testing circuit module being connected with data acquisition mouth and main control module respectively.As shown in Fig. 5 and Fig. 7, the three-dimensional adapter J1 that data acquisition mouth is 2.5mm, is provided with a hard contact shell fragment K in three-dimensional adapter J1.Whether when inserting the stereoscopic plug of 2.5mm, shell fragment K upsprings, and tie point P disconnects, and MCU detects high level, detect thus and have cable plug to insert.
Originally be for describing part in detail, all to adopt the state of the art to realize in embodiment.
The present embodiment is more excellent execution mode of the present utility model, and the part not being described in detail all adopts known mature technology.It should be noted that; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. an earphone clip force tester, comprise earphone to be tested, and for the testing equipment of test clip power, it is characterized in that, described testing equipment comprises the testing apparatus being arranged on earphone, and is connected with testing apparatus for collecting the tester of the test data that testing apparatus obtains.
2. a kind of earphone clip force tester according to claim 1, is characterized in that, described testing equipment comprises the one or more pressure testers that are arranged on earphone.
3. a kind of earphone clip force tester according to claim 2, it is characterized in that, described pressure tester is electronics strain gauge pressure sensor, electronics strain gauge pressure sensor is arranged at respectively the inner side of headband inner side, left phonation unit and right phonation unit, and is connected with tester by connecting line.
4. a kind of earphone clip force tester according to claim 3, is characterized in that, the described electronics strain gauge pressure sensor back side is provided with for being fixed in the high movable adhesive band on earphone.
5. a kind of earphone clip force tester according to claim 4, is characterized in that, described electronics strain gauge pressure sensor is provided with and is socketed on the screening glass that its surrounding shields.
6. a kind of earphone clip force tester according to claim 5, it is characterized in that, described tester comprises housing, be installed on the main control module in housing, be arranged at the pressure data acquisition module, display screen, key-press module, the USB interface that are connected with main control module respectively on housing, and for one or more data acquisition mouths of Bonding pressure tester; Also be provided with rechargeable battery and connected power module for powering.
7. a kind of earphone clip force tester according to claim 6, it is characterized in that, described pressure data acquisition module comprises resistance bridge and the amplifying circuit being connected with resistance bridge, and the arm using electronics strain gauge pressure sensor as resistance bridge.
8. a kind of earphone clip force tester according to claim 7, is characterized in that, is also provided with the analog to digital converter ADC being connected with amplifying circuit, and analog to digital converter ADC carries out the signal of amplifying circuit to send to main control module after analog-to-digital conversion.
9. a kind of earphone clip force tester according to claim 8, is characterized in that, data acquisition mouth adopts the three-dimensional adapter of 2.5mm, and connecting line is used in conjunction with by stereoscopic plug and the three-dimensional adapter of 2.5mm.
10. a kind of earphone clip force tester according to claim 9, is characterized in that, is also provided with the testing circuit module being connected with data acquisition mouth and main control module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537360.6U CN203399290U (en) | 2013-08-30 | 2013-08-30 | Tester for earphone clamp forces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320537360.6U CN203399290U (en) | 2013-08-30 | 2013-08-30 | Tester for earphone clamp forces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203399290U true CN203399290U (en) | 2014-01-15 |
Family
ID=49910785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320537360.6U Expired - Fee Related CN203399290U (en) | 2013-08-30 | 2013-08-30 | Tester for earphone clamp forces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203399290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163217A (en) * | 2015-08-28 | 2015-12-16 | 深圳市冠旭电子有限公司 | Headphone and headphone adjustment method |
| CN108200508A (en) * | 2018-04-04 | 2018-06-22 | 会听声学科技（北京）有限公司 | Earphone grip force calibration system and method |
-
2013
- 2013-08-30 CN CN201320537360.6U patent/CN203399290U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163217A (en) * | 2015-08-28 | 2015-12-16 | 深圳市冠旭电子有限公司 | Headphone and headphone adjustment method |
| CN108200508A (en) * | 2018-04-04 | 2018-06-22 | 会听声学科技（北京）有限公司 | Earphone grip force calibration system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20170830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |