CN202957981U - Headset oscillator detection device and system - Google Patents
Headset oscillator detection device and system Download PDFInfo
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- CN202957981U CN202957981U CN 201220627458 CN201220627458U CN202957981U CN 202957981 U CN202957981 U CN 202957981U CN 201220627458 CN201220627458 CN 201220627458 CN 201220627458 U CN201220627458 U CN 201220627458U CN 202957981 U CN202957981 U CN 202957981U
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Abstract
The utility model discloses a headset oscillator detection device and system. The headset oscillator detection device and system is suitable to detect oscillators of a headset, and is arranged on a wearing position of the headset when being detected. The headset oscillator detection device and system comprises an acceleration sensor and a signal conversion module which are connected with each other, wherein the acceleration sensor is used to detect acceleration information on the wearing position when the headset plays specified audio, and converts the acceleration information into voltage signals to be output to the signal conversion module, the signal conversion module is used to convert received voltage signals into digital signal to be output, and vibration amplitude of the oscillators of the headset can be detected according to the output digital signals. The headset oscillator detection device and system can solve the problems that existing headset oscillators can be detected through artificial means and the artificial means are trouble and waste labor.
Description
Technical field
The utility model relates to earphone Performance Detection technical field, particularly relates to a kind of earphone oscillator checkout gear and system.
Background technology
The detection of earphone performance comprises the detection to the earphone oscillator, the size of the Oscillation Amplitude of main Test earphone oscillator.The Oscillation Amplitude of earphone oscillator is unsuitable excessive also unsuitable too small, need to be in certain critical field.
At present can only be by the mode of artificial judgment for the detection of earphone oscillator, the testing staff by virtue of experience judges the quality of earphone oscillator.Such manual detection pattern, not only need to drop into a large amount of manpowers, and, owing to being to rely on individual experience to be detected, there is no unified standard, and can there be deviation in the quality of product.
In sum, existing earphone oscillator detects and need to be undertaken by artificial mode, have the problem of bothersome effort, and product quality can not be guaranteed.
The utility model content
The utility model provides a kind of earphone oscillator checkout gear and system, to solve existing earphone oscillator, detects and need to be undertaken by artificial mode, the problem that bothersome effort and product quality can not be guaranteed.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model discloses a kind of earphone oscillator checkout gear, this device is suitable for detecting the oscillator of headphone, and when detecting, this device is placed on wearing of headphone, and this device comprises: interconnective acceleration transducer and signal conversion module, wherein,
Acceleration transducer, wear the acceleration information at place while for detection of headphone, play specifying audio frequency, and degree of will speed up information converts voltage signal to and exports to signal conversion module;
Signal conversion module, convert digital signal output to for the voltage signal by received, and makes it possible to the Oscillation Amplitude according to the oscillator of exported digital signal detection headphone.
The invention also discloses a kind of earphone oscillator detection system, this system comprises: control terminal and above-mentioned earphone oscillator checkout gear, and control terminal is connected with the signal conversion module in earphone oscillator checkout gear;
Control terminal, for receiving the digital signal of signal conversion module output, judge that according to this digital signal the Oscillation Amplitude of oscillator of headphone is whether in specified scope.
In said system, described acceleration transducer, wear the acceleration information of the x, y and z axes direction at place while for detection of headphone, playing the appointment audio frequency, the voltage signal that the acceleration information of described x, y and z axes direction is converted to corresponding x, y and z axes direction is exported to signal conversion module;
Described signal conversion module, be converted to the digital signal of corresponding x, y and z axes direction for the voltage signal by described x, y and z axes direction, the digital signal of described corresponding x, y and z axes direction is sent to control terminal;
Control terminal, for the digital signal of the corresponding x, y and z axes direction that receives signal conversion module output, calculate respectively the Oscillation Amplitude of the oscillator of headphone in corresponding x, y and z axes direction according to the digital signal of the x, y and z axes direction in setting-up time;
Wherein, described y direction of principal axis is the horizontal direction of determined straight line parallel of being connected with two earphone oscillators;
Described x direction of principal axis is the vertical horizontal direction of determined straight line that is connected with two earphone oscillators;
Described z direction of principal axis is the vertical vertical direction of determined straight line that is connected with two earphone oscillators.
In said system, described control terminal, for the Oscillation Amplitude at the x axle, in the first specified scope, the Oscillation Amplitude of y axle in the second specified scope and the Oscillation Amplitude of z axle in the 3rd specified scope the time, judges that the oscillator of headphone is qualified.
In said system, described control terminal, when being further used for Oscillation Amplitude that Oscillation Amplitude at the y axle is greater than the maximum of the second specified scope and z axle and being less than the minimum value of the 3rd specified scope, judge that the oscillator of headphone is reversed installation.
In said system, the signal conversion module of described earphone oscillator checkout gear is connected with described control terminal by data wire,
Perhaps,
The signal conversion module of described earphone oscillator checkout gear is connected with described control terminal by wireless mode.
Said system also comprises the glove tooling platform of placing headphone to be detected;
Described glove tooling platform comprises: left plate, right plate and base plate, left plate and right plate are separately fixed on base plate.
From above-mentioned, the technical scheme that the utility model provides arranges acceleration transducer by the place of wearing at headphone, the information output of the acceleration of gravity that acceleration transducer obtains detection is to signal conversion module, after converting digital signal to, signal conversion module sends to control terminal, whether the Oscillation Amplitude that judges the headphone oscillator according to the digital signal on received corresponding x, y and z axes direction by control terminal is in specified scope, and whether the oscillator that judges the headphone detected with this is qualified.And can judge according to the Oscillation Amplitude of the headphone oscillator detected whether oscillator is reversed installation.The technical scheme that the utility model provides is not done any change to product, can obtain by the acceleration at the Test earphone place of wearing the Oscillation Amplitude of earphone oscillator, and then judge that according to the size of the Oscillation Amplitude of earphone oscillator whether the earphone oscillator is qualified, determined the measurement standard detected, improve the efficiency and the effect that detect, avoided occurring the non-type situation of measurement caused because of artificial judgement.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of earphone oscillator checkout gear in the utility model;
Fig. 2 is the structural representation of a kind of earphone oscillator detection system in the utility model;
Fig. 3 is the use state diagram of a kind of earphone oscillator detection system in the utility model;
Fig. 4 is that the headphone oscillator is installed correct Oscillation Amplitude schematic diagram;
Fig. 5 is the Oscillation Amplitude schematic diagram that the headphone oscillator is oppositely installed;
Fig. 6 is the flow chart of a kind of earphone oscillator detection method in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model execution mode is described in further detail.
Principle of the present utility model is: the oscillator of headphone is arranged in two of the left and right earmuff of headphone, and when the audio signal input is arranged, two oscillators vibrate along horizontal rightabout, and the arch of headphone is worn and can be moved up and down like this.Wearing here refers to the part that connects two earmuffs, also can be described as headband.Oscillator can, according to the audio signal vibration-generating of input, can drive whole headphone vibration simultaneously, and wear the Oscillation Amplitude maximum at place.The Oscillation Amplitude of earphone oscillator is larger, and the Oscillation Amplitude of wearing place is also larger, and under identical frequency, the Oscillation Amplitude of wearing place is larger, and the acceleration of wearing place is also larger, and the acceleration at the place of wearing is directly proportional to the Oscillation Amplitude of oscillator.Therefore indirectly detect the Oscillation Amplitude of wearing place of this headphone oscillator by the acceleration of gravity at the detection place of wearing in the utility model, judge the Vibration Condition of the oscillator of this headphone by the Oscillation Amplitude at the place of wearing.
Core of the present utility model is: headphone is enclosed within for fixing the glove tooling platform of this headphone, the earphone oscillator checkout gear that comprises acceleration transducer and signal conversion module is placed at the place of wearing at headphone, in the situation of the audio signal of input same frequency (when detecting the headphone oscillator of same model, the input audio frequency that guarantees each headphone to be detected is identical) under, acceleration transducer converts the acceleration of gravity information collected to voltage signal and is transferred to signal conversion module, be transferred to control terminal after converting voltage signal to digital signal by signal conversion module again.Control terminal is worn the Oscillation Amplitude at place according to digital signal judgement headphone, with this, detects the Oscillation Amplitude of the oscillator of headphone.Be less than designated value if detect the Oscillation Amplitude of the oscillator obtained, illustrate that the Oscillation Amplitude of this headphone oscillator is less than normal; Be greater than designated value if detect the Oscillation Amplitude of the oscillator obtained, the Oscillation Amplitude of described this headphone oscillator is excessively strong.
In the utility model, a kind of earphone oscillator checkout gear is provided, whether this earphone oscillator checkout gear meets standard for detection of the Oscillation Amplitude of the oscillator of headphone, and when detecting, this device is placed in the place that wears of headphone.
Fig. 1 is the structural representation of a kind of earphone oscillator checkout gear in the utility model, and as shown in Figure 1, this earphone oscillator checkout gear 201 comprises: interconnective acceleration transducer 101 and signal conversion module 102.When detecting the oscillator of headphone, this device is placed in the place that wears of headphone.
The headphone oscillator checkout gear provided in the utility model can detect the acceleration of gravity information of wearing place of headphone, and export after converting detected acceleration information to corresponding digital signal, make the control terminal that is attached thereto can be according to the Oscillation Amplitude of the oscillator of described digital signal detection headphone.
The utility model also provides a kind of earphone oscillator detection system, and Fig. 2 is the structural representation of a kind of earphone oscillator detection system in the utility model, and as shown in Figure 2, this system comprises the earphone oscillator checkout gear 201 shown in control terminal 202 and Fig. 1.Control terminal 202 is connected with the signal conversion module 102 in earphone oscillator checkout gear 201.
Fig. 3 is the use state diagram of a kind of earphone oscillator detection system in the utility model, as shown in Figure 3, for convenience of description, defined respectively the x-axis, y-axis and z-axis direction, wherein, the y direction of principal axis is the horizontal direction of determined straight line parallel of being connected with two earphone oscillators; The x direction of principal axis is the vertical horizontal direction of determined straight line that is connected with two earphone oscillators, the x axle be with the y axle on same horizontal plane and vertical with the y axle; The z direction of principal axis is the vertical vertical direction of determined straight line that is connected with two earphone oscillators, and the z axle is vertical with the determined horizontal plane of y axle with the x axle.
The earphone oscillator checkout gear 201 that comprises acceleration transducer 101 and signal conversion module 102 is placed on the place that wears of headphone 204.Acceleration transducer 101 in earphone oscillator checkout gear 201 detects headphone 204 and plays the acceleration information of wearing the x, y and z axes direction at place while specifying audio frequency, and the acceleration information of the corresponding x, y and z axes direction that detection is obtained converts the voltage signal of corresponding x, y and z axes direction to and exports to signal conversion module 102.In order to detect maximum Oscillation Amplitude, the position, middle that the arch that earphone oscillator checkout gear 201 is placed on to headphone 204 is worn.
The input of signal conversion module 102 is connected with acceleration transducer 101, and its output is connected with control terminal 202.The voltage signal of the x, y and z axes direction of signal conversion module 102 degree of will speed up transducer 101 outputs is converted to the digital signal of corresponding x, y and z axes direction, and the digital signal of this correspondence x, y and z axes direction is sent to control terminal 202.
In embodiment of the present utility model, control terminal 202 is worn the Oscillation Amplitude at place according to the headphone 204 on the corresponding x-axis, y-axis and z-axis direction respectively calculated, compare the amplitude of oscillator of judgement headphone 204 with preset value: amplitude in range of normal value, amplitude is excessive or amplitude is too small.
In the actual measurement process, input the audio signal of same frequency for a collection of headphone of same model, and can determine the first specified scope, the second specified scope and the 3rd specified scope for the headphone 204 of same batch according to actual conditions.The material difference that dissimilar headphone 204 is worn because of its arch, the value of its first specified scope, the second specified scope and the 3rd specified scope is not identical.
Wherein, because two oscillators in headphone are reversals of vibrations, in the situation that installation is correct, the Oscillation Amplitude maximum of z axle, x axle and y axle only have slight Oscillation Amplitude.Oscillator in headphone is reversed while installing, and the Oscillation Amplitude of y axle can increase considerably, and the Oscillation Amplitude of z axle can significantly weaken.Whether the device that therefore, the utility model provides can also be reversed installation for detection of the oscillator of headphone 204.
In specific embodiment of the utility model, the signal conversion module 102 of earphone oscillator checkout gear 201 is connected with control terminal 202 by data wire, as connected signal conversion module 102 and control terminal 202 by the usb data line.Perhaps, the signal conversion module 102 of earphone oscillator checkout gear 201 is connected with control terminal 202 by wireless mode, as connected signal conversion module 102 and control terminal 202 by wireless modes such as bluetooths.
Wear the acceleration of gravity information at place in order to detect more accurately when headphone 204 is play the appointment audio frequency, native system also comprises: for placing the glove tooling platform 203 of headphone to be detected 204204.
As shown in Figure 3, glove tooling platform 203 comprises: left plate 2031, right plate 2032 and base plate 2033, left plate 2031 and right plate 2032 are separately fixed on base plate 2033.
In an embodiment of the present utility model, control terminal 202 can comprise operating key, and operating key is for controlling the unlatching of control terminal 202 or closing.Control terminal can also comprise indicator light, whether qualifiedly is used to indicate earphone; Wherein, control terminal 202, after having detected a headphone, the output control indicator light obtained according to detection sends corresponding indication information.The red light that for example glimmers, mean that the oscillator of the headphone that detects is defective; The flicker green light, mean that the oscillator of the headphone detect is qualified, and amplitude is crossed strong or spent weak can the expression by long bright or flicker.Control terminal can also comprise display screen, Oscillation Amplitude on the x-axis, y-axis and z-axis direction of the correspondence that the digital signal of the x, y and z axes that display screen sends according to signal conversion module 102 for display control terminal 202 calculates, can also be for showing testing result.
In a kind of specific embodiment of the present utility model, the sine wave signal of 100HZ of input of take is example, is elaborated.Wherein, Fig. 4 is that the headphone oscillator is installed correct Oscillation Amplitude schematic diagram; Fig. 4 is the Oscillation Amplitude schematic diagram that the headphone oscillator is oppositely installed.
As shown in Figure 4, Figure 5, uppermost waveform represents the Oscillation Amplitude of x axle, and middle waveform represents the Oscillation Amplitude of y axle, and nethermost waveform represents the Oscillation Amplitude of z axle.Control terminal 202 calculates respectively the Oscillation Amplitude of the oscillator of headphone 204 in corresponding x, y and z axes direction according to the digital signal of the x, y and z axes direction in 5 second time.
In Fig. 4, the maximum of the Oscillation Amplitude that the maximum of the Oscillation Amplitude that the maximum of the Oscillation Amplitude of x axle is 223, y axle is 438, z axle is 2126.In Fig. 5, the maximum of the Oscillation Amplitude that the maximum of the Oscillation Amplitude that the maximum of the Oscillation Amplitude of x axle is 58, y axle is 910, z axle is 826.
Referring to Fig. 4, at the oscillator of headphone 204 in the situation that install correct, the Oscillation Amplitude maximum of z axle, x axle and y axle are subject to minimal effect, Oscillation Amplitude is less.Referring to Fig. 5, after headphone 204 oscillators are reversed installation, the Oscillation Amplitude of z axle weakens, and the Oscillation Amplitude of y axle increases.In addition, install by this whether Oscillation Amplitude on the x-axis, y-axis and z-axis direction of normal headphone 204 oscillators judges in specified scope whether the Oscillation Amplitude of these headphone 204 oscillators is crossed by force or excessively.For example, the Oscillation Amplitude of x axle is in 200～300 span, and the Oscillation Amplitude of y axle is in 400～500 span, and the Oscillation Amplitude of z axle in 2000～2400 span the time, thinks that the oscillator of headphone is qualified.
Oscillogram as shown in Figure 4, Figure 5 can show by the display screen of control terminal.
The utility model also provides a kind of earphone oscillator detection method, and the method is carried out the detection of headphone oscillator by the earphone oscillator checkout gear that uses the utility model to provide.
Fig. 6 is the flow chart of a kind of earphone oscillator detection method in the utility model; As shown in Figure 6,
Step 601, be placed on headphone on the glove tooling platform, earphone oscillator checkout gear is placed on to the place that wears of described headphone, and described earphone oscillator checkout gear is connected with control terminal.
Step 602, send to control terminal after when earphone oscillator checkout gear is play the appointment audio frequency by headphone, the acceleration information at the place of wearing converts digital signal to.
Step 603, control terminal judges that according to described digital signal the Oscillation Amplitude of oscillator of headphone is whether in specified scope.
In the earphone oscillator detection method provided at the utility model, after when earphone oscillator checkout gear play to be specified audio frequency by headphone, the acceleration information at the place of wearing converts digital signal to, send to control terminal to comprise: earphone oscillator checkout gear detects headphone and plays the acceleration information of wearing the x, y and z axes direction at place while specifying audio frequency, sends to control terminal after the acceleration information of described x, y and z axes direction being converted to the digital signal of corresponding x, y and z axes direction
Control terminal judges according to described digital signal whether the Oscillation Amplitude of the oscillator of headphone comprises in specified scope: control terminal receives the digital signal of the corresponding x, y and z axes direction of earphone oscillator checkout gear transmission; Calculate respectively the Oscillation Amplitude of corresponding x, y and z axes direction according to described digital signal;
At the Oscillation Amplitude of x axle, in the first specified scope, the Oscillation Amplitude of y axle in the second specified scope and the Oscillation Amplitude of z axle in the 3rd specified scope the time, judges that the oscillator of headphone is qualified.
In said method, whether the method that the utility model provides can also exist oscillator to be reversed the situation of installation for detection of the headphone oscillator.Be specially, when the Oscillation Amplitude that is greater than the maximum of the second specified scope and z axle at the Oscillation Amplitude of y axle is less than the minimum value of the 3rd specified scope, judge that the oscillator of headphone is reversed installation.
In sum, the technical scheme that the utility model provides arranges acceleration transducer by the place of wearing at headphone, the information output of the acceleration of gravity that acceleration transducer obtains detection is to signal conversion module, after converting digital signal to, signal conversion module sends to control terminal, whether the Oscillation Amplitude that judges the headphone oscillator according to the digital signal on received corresponding x, y and z axes direction by control terminal is in specified scope, and whether the oscillator that judges the headphone detected with this is qualified.And can judge according to the Oscillation Amplitude of the headphone oscillator detected whether oscillator is reversed installation.The technical scheme that the utility model provides is not done any change to product, can obtain by the acceleration at the Test earphone place of wearing the Oscillation Amplitude of earphone oscillator, and then judge that according to the size of the Oscillation Amplitude of earphone oscillator whether the earphone oscillator is qualified, determined the measurement standard detected, improve the efficiency and the effect that detect, avoided occurring the non-type situation of measurement caused because of artificial judgement.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection range of the present utility model.All any modifications of doing, be equal to replacement, improvement etc. within spirit of the present utility model and principle, all be included in protection range of the present utility model.
Claims (7)
1. an earphone oscillator checkout gear, is characterized in that, this device is suitable for detecting the oscillator of headphone, and when detecting, this device is placed in the place that wears of headphone, and this device comprises: interconnective acceleration transducer and signal conversion module, wherein,
Acceleration transducer, wear the acceleration information at place while for detection of headphone, play specifying audio frequency, and degree of will speed up information converts voltage signal to and exports to signal conversion module;
Signal conversion module, convert digital signal output to for the voltage signal by received, and makes it possible to the Oscillation Amplitude according to the oscillator of exported digital signal detection headphone.
2. an earphone oscillator detection system, is characterized in that, this system comprises: control terminal and earphone oscillator checkout gear as claimed in claim 1, and control terminal is connected with the signal conversion module in earphone oscillator checkout gear;
Control terminal, for receiving the digital signal of signal conversion module output, judge that according to this digital signal the Oscillation Amplitude of oscillator of headphone is whether in specified scope.
3. system according to claim 2, is characterized in that,
Described acceleration transducer, wear the acceleration information of the x, y and z axes direction at place while for detection of headphone, playing the appointment audio frequency, the voltage signal that the acceleration information of described x, y and z axes direction is converted to corresponding x, y and z axes direction is exported to signal conversion module;
Described signal conversion module, be converted to the digital signal of corresponding x, y and z axes direction for the voltage signal by described x, y and z axes direction, the digital signal of described corresponding x, y and z axes direction is sent to control terminal;
Control terminal, for the digital signal of the corresponding x, y and z axes direction that receives signal conversion module output, calculate respectively the Oscillation Amplitude of the oscillator of headphone in corresponding x, y and z axes direction according to the digital signal of the x, y and z axes direction in setting-up time;
Wherein, described y direction of principal axis is the horizontal direction of determined straight line parallel of being connected with two earphone oscillators;
Described x direction of principal axis is the vertical horizontal direction of determined straight line that is connected with two earphone oscillators;
Described z direction of principal axis is the vertical vertical direction of determined straight line that is connected with two earphone oscillators.
4. system according to claim 3, is characterized in that,
Described control terminal, for the Oscillation Amplitude at the x axle, in the first specified scope, the Oscillation Amplitude of y axle in the second specified scope and the Oscillation Amplitude of z axle in the 3rd specified scope the time, judges that the oscillator of headphone is qualified.
5. system according to claim 3, is characterized in that,
Described control terminal, when being further used for Oscillation Amplitude that Oscillation Amplitude at the y axle is greater than the maximum of the second specified scope and z axle and being less than the minimum value of the 3rd specified scope, judge that the oscillator of headphone is reversed installation.
6. system according to claim 2, is characterized in that,
The signal conversion module of described earphone oscillator checkout gear is connected with described control terminal by data wire,
Perhaps,
The signal conversion module of described earphone oscillator checkout gear is connected with described control terminal by wireless mode.
7. according to the described system of claim 2 to 6 any one, it is characterized in that, described system also comprises the glove tooling platform of placing headphone to be detected;
Described glove tooling platform comprises: left plate, right plate and base plate, left plate and right plate are separately fixed on base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627458 CN202957981U (en) | 2012-11-19 | 2012-11-19 | Headset oscillator detection device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627458 CN202957981U (en) | 2012-11-19 | 2012-11-19 | Headset oscillator detection device and system |
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| CN202957981U true CN202957981U (en) | 2013-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220627458 Withdrawn - After Issue CN202957981U (en) | 2012-11-19 | 2012-11-19 | Headset oscillator detection device and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024655A (en) * | 2012-11-19 | 2013-04-03 | 青岛歌尔声学科技有限公司 | Detection device, system and method for earphone oscillator |
| CN113993028A (en) * | 2021-11-01 | 2022-01-28 | 苏州敏芯微电子技术股份有限公司 | Signal processing circuit and method and bone conduction earphone |
-
2012
- 2012-11-19 CN CN 201220627458 patent/CN202957981U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024655A (en) * | 2012-11-19 | 2013-04-03 | 青岛歌尔声学科技有限公司 | Detection device, system and method for earphone oscillator |
| WO2014075639A1 (en) * | 2012-11-19 | 2014-05-22 | 青岛歌尔声学科技有限公司 | Headset oscillator detection device, system and method |
| CN103024655B (en) * | 2012-11-19 | 2015-01-28 | 青岛歌尔声学科技有限公司 | Detection device, system and method for earphone oscillator |
| CN113993028A (en) * | 2021-11-01 | 2022-01-28 | 苏州敏芯微电子技术股份有限公司 | Signal processing circuit and method and bone conduction earphone |
| CN113993028B (en) * | 2021-11-01 | 2024-02-13 | 苏州敏芯微电子技术股份有限公司 | Signal processing circuit and method and bone conduction earphone |
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