CN215677512U - Bone conduction oscillator test structure based on displacement sensor - Google Patents
Bone conduction oscillator test structure based on displacement sensor Download PDFInfo
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- CN215677512U CN215677512U CN202120905084.9U CN202120905084U CN215677512U CN 215677512 U CN215677512 U CN 215677512U CN 202120905084 U CN202120905084 U CN 202120905084U CN 215677512 U CN215677512 U CN 215677512U
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Abstract
The utility model provides a bone conduction oscillator test structure based on a displacement sensor, which comprises a controller, a playing device and a displacement sensor, wherein the playing device is used for outputting audio, the displacement sensor is used for converting displacement signals into electric signals, the controller is respectively electrically connected with the playing device and the displacement sensor, the playing device is electrically connected with a bone conduction oscillator to be tested, the displacement sensor is used for measuring the displacement of the bone conduction oscillator to be tested in a vibration state, the controller sends audio data to the playing device, the audio data is converted into signals through the playing device and sent to the bone conduction oscillator to drive the bone conduction oscillator to vibrate, and the displacement sensor detects the displacement, converts the displacement into the electric signals and sends the electric signals to the controller. The bone conduction vibrator quality control method is used for comprehensively detecting the bone conduction vibrator to control the quality of the bone conduction vibrator, and is beneficial to production and popularization of enterprises.
Description
Technical Field
The utility model relates to the technical field of testing bone conduction vibrators, in particular to a bone conduction vibrator testing structure based on a displacement sensor.
Background
At present, in the production industry of the bone conduction vibrator, a set of complete testing equipment does not exist, a unified testing standard or a testing method does not exist, the quality of the bone conduction vibrator is judged mostly by manually listening through a skilled acoustic engineer to screen out the bad bone conduction vibrator, or the quality of the bone conduction vibrator is judged by measuring the acceleration of the bone conduction vibrator through the connection of an acceleration sensor and the bone conduction vibrator, but in the research and development process of an inventor, the acceleration sensor cannot detect under the condition that the bone conduction vibrator transmits an audio signal with the transmission frequency of more than 8KHz, so that the method for detecting the quality of the bone conduction vibrator by using the acceleration has certain limitation, is not beneficial to the comprehensive detection of the bone conduction vibrator, cannot control the quality of the bone conduction vibrator, and is not beneficial to the production and popularization of enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bone conduction vibrator testing structure based on a displacement sensor, which is used for comprehensively detecting a bone conduction vibrator to control the quality of the bone conduction vibrator and is beneficial to production and popularization of enterprises.
For this reason, provide a bone conduction oscillator test structure based on displacement sensor, including the controller, be used for exporting audio playback devices, be used for converting displacement signal into the displacement sensor of signal of telecommunication, the controller is connected with playback devices, displacement sensor electricity respectively, playback devices is connected with the bone conduction oscillator electricity that awaits measuring, displacement sensor is used for measuring the displacement volume of the bone conduction oscillator that awaits measuring under the vibration state, the controller sends audio data to playback devices, converts the signal transmission into through playback devices and sends to the bone conduction oscillator is with its vibration of drive, displacement sensor detects the displacement volume converts the signal of telecommunication into and sends to the controller.
Furthermore, the device also comprises an amplifier, wherein the output end of the playing device is connected with the input end of the amplifier, and the two output ends of the amplifier are respectively connected with the P pole and the N pole of the bone conduction vibrator.
Further, still include two wall structures of support, opposition, have the clearance between two wall structures and regard as the test space with the clearance, the support is column structure and bottom level fixed, during embedding test space behind the bone conduction oscillator is placed to its top, piezoelectric sensor is provided with and is no less than one, and its setting is on the lateral wall of two wall structures mutual orientation.
Furthermore, the top of the support is provided with a support claw for placing the bone conduction vibrator, and the bone conduction vibrator connected with the amplifier is placed in the support claw.
Further, the displacement sensor is a camera.
Further, the camera and the support are arranged on the same plane, and the plane is parallel to the two wall structures respectively.
Further, the camera is arranged above the bracket.
Further, the distance between the camera and the center of the bone conduction vibrator is 120 mm.
Furthermore, the two wall structures are respectively a wall A and a wall B, and the distance between the bracket and the wall A is equal to the distance between the bracket and the wall B.
Further, the playing device is an audio control analysis device.
Has the advantages that:
the utility model provides a bone conduction vibrator test structure based on a displacement sensor, which collects the displacement of the bone conduction vibrator during vibration through the displacement sensor, compares whether the displacement exceeds a limited range, thereby judging whether the current bone conduction vibrator is a qualified product or not, ensuring that the bone conduction vibrators with different transmission frequencies can be tested, compares the bone conduction vibrator test structure with a method for detecting the bone conduction vibrator by using an acceleration sensor, and the method for detecting the bone conduction vibrator by using the acceleration sensor can only test the bone conduction vibrator with the transmission frequency of less than 8KHz, not only can test the bone conduction vibrators with all transmission frequencies, but also is not limited to the bone conduction vibrators with the transmission frequency of less than 8KHz, therefore, the utility model is far better than the method for detecting the bone conduction vibrator by using the acceleration sensor, can comprehensively detect the bone conduction vibrator to control the quality of the bone conduction vibrator, the production and popularization effects of enterprises are facilitated.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Description of reference numerals: 1-an audio control analysis device; 2-MCU; 3-an amplifier; 4-a scaffold; 6-a camera; 7-a bone conduction vibrator; 8-A wall; 9-B wall; 10-test space.
Detailed Description
The utility model is further described with reference to the following examples.
Referring to fig. 1, the bone conduction vibrator testing structure based on the displacement sensor of the present embodiment includes an audio control analysis device 1, an MCU2, an amplifier 3, a bracket 4, a camera 6, a bone conduction vibrator 7, an a wall 8, and a B wall 9, wherein an output end of the audio control analysis device 1 is connected to a B pole of the amplifier 3 to transmit an audio signal of a certain frequency to the amplifier 3 for amplification, an e pole of the amplifier 3 is connected to a P pole of the bone conduction vibrator 7, and a c pole of the amplifier 3 is connected to an N pole of the bone conduction vibrator 7 to transmit the amplified audio signal to the bone conduction vibrator 7. Wall A8 and wall B9 set up in the horizontal plane respectively perpendicularly, and parallel to each other the opposition, have the clearance between wall A8 and the wall B9, regard as test space 10 with this clearance, support 4 is the long columnar structure of vertical setting, the top of support 4 is provided with the brace claw (not shown in the figure) that can supply bone conduction oscillator 7 to place the bone conduction oscillator 7 that will be connected with amplifier 3 in the brace claw, bone conduction oscillator 7 vibrates and drives support 4 and rock about, its bottom is fixed on the horizontal plane, and in test space 10, the distance between support 4 and wall A8 equals its and the distance between wall B9. The camera 6 is arranged above the support 4 and is 120mm away from the center of the bone conduction vibrator, the camera 6 and the support 4 are arranged on the same plane, the plane is parallel to the wall A8 and the wall B9, and the shooting end of the camera 6 shoots towards the support 4. The camera 6 is electrically connected with the MCU2, and the MCU2 records an image of the bone conduction vibrator deviation shot by the camera 6. The MCU2 is connected to the input end of the audio control and analysis device 1, and is used to control the audio control and analysis device 1 to play the audio signal of the next frequency, and to capture the image of the bone conduction oscillator 7 vibrating when playing the audio signal of the frequency, and to measure the offset distance of the bone conduction oscillator 7 from the image, so as to analyze the vibration of each bone conduction oscillator 7 when playing the audio signal of different frequency, and to determine the quality of the bone conduction oscillator 7. The offset distance is a distance between the center position of the bone conduction vibrator 7 after being offset and the original center position thereof, with the position of the bone conduction vibrator 7 without being vibrated as the center, and the center position of the bone conduction vibrator 7 being offset when being vibrated.
The specific working process is as follows: audio control analytical equipment 1 plays sine wave single-frequency signal, every 1s, the frequency of audio signal switches once, then gather the image that camera 6 shot under the audio signal of different frequencies through MCU2 again, measure the offset distance of bone conduction oscillator 7 from the image, if the offset distance is within 5mm, then judge that current bone conduction oscillator 7 is qualified product, otherwise regard as the defective products, the enterprise only need look over MCU 2's judged result just can be respectively bone conduction oscillator 7 qualified product, this embodiment can detect the condition of bone conduction oscillator at the audio signal that transmission frequency is more than 8KHz, realize detecting bone conduction oscillator comprehensively, come the quality of accuse bone conduction oscillator, do benefit to the production and the popularization of enterprise.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A bone conduction vibrator test structure based on a displacement sensor is characterized in that,
comprises a controller, a playing device for outputting audio, a displacement sensor for converting displacement signals into electric signals,
the controller is respectively electrically connected with the playing device and the displacement sensor, the playing device is electrically connected with the bone conduction vibrator to be measured, the displacement sensor is used for measuring the displacement of the bone conduction vibrator to be measured in a vibration state,
the controller sends audio data to the playing equipment, the audio data are converted into signals through the playing equipment, the signals are sent to the bone conduction vibrator to drive the bone conduction vibrator to vibrate, and the displacement sensor detects that the displacement is converted into electric signals and sends the electric signals to the controller.
2. The bone conduction oscillator test structure based on the displacement sensor as claimed in claim 1, further comprising an amplifier, wherein the output end of the playing device is connected with the input end of the amplifier, and two output ends of the amplifier are respectively connected with the P pole and the N pole of the bone conduction oscillator.
3. The bone conduction vibrator testing structure based on the displacement sensor as claimed in claim 1, further comprising a support and two opposite wall structures, wherein a gap is formed between the two wall structures and serves as a testing space, the support is of a columnar structure, the bottom of the support is horizontally fixed, the bone conduction vibrator is placed at the top of the support and then embedded into the testing space, and at least one piezoelectric sensor is arranged on the side wall, facing each other, of the two wall structures.
4. The bone conduction oscillator test structure based on the displacement sensor as claimed in claim 3, wherein a support claw for placing the bone conduction oscillator is arranged at the top of the support, and the bone conduction oscillator connected with the amplifier is placed in the support claw.
5. The bone conduction oscillator test structure based on the displacement sensor as claimed in claim 1, wherein the displacement sensor is a camera.
6. The bone conduction vibrator testing structure based on the displacement sensor as claimed in claim 5, wherein the camera and the bracket are arranged on the same plane, and the plane is parallel to the two wall structures respectively.
7. The bone conduction oscillator test structure based on displacement sensors of claim 6, wherein the camera is disposed above the bracket.
8. The bone conduction oscillator test structure based on the displacement sensor as claimed in claim 7, wherein the distance between the camera and the center of the bone conduction oscillator is 120 mm.
9. The bone conduction oscillator test structure based on the displacement sensor as claimed in claim 3, wherein the two wall structures are a wall A and a wall B respectively, and the distance between the bracket and the wall A is equal to the distance between the bracket and the wall B.
10. The bone conduction oscillator test structure based on the displacement sensor as claimed in any one of claims 1 to 9, wherein the playing device is an audio control analysis device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120905084.9U CN215677512U (en) | 2021-04-28 | 2021-04-28 | Bone conduction oscillator test structure based on displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120905084.9U CN215677512U (en) | 2021-04-28 | 2021-04-28 | Bone conduction oscillator test structure based on displacement sensor |
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| Publication Number | Publication Date |
|---|---|
| CN215677512U true CN215677512U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120905084.9U Active CN215677512U (en) | 2021-04-28 | 2021-04-28 | Bone conduction oscillator test structure based on displacement sensor |
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| CN (1) | CN215677512U (en) |
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2021
- 2021-04-28 CN CN202120905084.9U patent/CN215677512U/en active Active
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