CN213186559U - Noise reduction earphone electroacoustic test equipment - Google Patents
Noise reduction earphone electroacoustic test equipment Download PDFInfo
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- CN213186559U CN213186559U CN202021976638.6U CN202021976638U CN213186559U CN 213186559 U CN213186559 U CN 213186559U CN 202021976638 U CN202021976638 U CN 202021976638U CN 213186559 U CN213186559 U CN 213186559U
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- insulation box
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Abstract
The utility model relates to an electroacoustic test equipment technical field especially relates to an earphone electroacoustic test equipment of making an uproar falls. The electroacoustic test equipment for the noise reduction earphone comprises a sound insulation box body, and further comprises an artificial mouth, a left artificial ear, a right artificial ear, a sliding seat and a noise generation loudspeaker, wherein the artificial mouth, the left artificial ear, the right artificial ear, the sliding seat and the noise generation loudspeaker are arranged in the sound insulation box body; the left artificial ear and the right artificial ear are arranged on the sliding seat in a mirror image manner; the two noise generation loudspeakers are positioned on the same straight line in the vertical direction and are respectively arranged at the top and the bottom of the sound insulation box body; the device also comprises a power assembly for driving the sliding seat to slide. The utility model discloses a noise reduction earphone electroacoustic test equipment can carry out dynamic test to the earphone, and simultaneously measurable quantity earphone to the noise reduction of the noise source of top and below to the realization is measured the noise reduction performance of the earphone that awaits measuring to the multi-angle position noise source.
Description
Technical Field
The utility model relates to an electroacoustic test equipment technical field especially relates to an earphone electroacoustic test equipment of making an uproar falls.
Background
The existing electroacoustic test equipment can only test the standing earphone generally, but the motion state of the noise reduction earphone can influence the noise reduction performance, the test of the noise reduction earphone needs to be carried out under different motion states, and the existing electroacoustic test equipment can not provide the state of the earphone to be tested in motion.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make an uproar earphone electroacoustic test equipment falls to the not enough of prior art, can be so that the earphone that awaits measuring is in the motion state, can carry out dynamic test to the earphone that awaits measuring.
In order to achieve the purpose, the utility model discloses a noise reduction earphone electroacoustic test equipment, which comprises a sound insulation box body, an artificial mouth, a left artificial ear, a right artificial ear, a slide seat and a noise generation loudspeaker, wherein the artificial mouth, the left artificial ear, the right artificial ear, the slide seat and the noise generation loudspeaker are arranged in the sound insulation box body; the left artificial ear and the right artificial ear are arranged on the sliding seat in a mirror image manner; the two noise generation loudspeakers are positioned on the same straight line in the vertical direction and are respectively arranged at the top and the bottom of the sound insulation box body; the device also comprises a power assembly for driving the sliding seat to slide.
Furthermore, the electric component comprises a controller, an electric motor, a screw shaft and a nut seat, the electric motor is arranged on the outer wall of the sound insulation box body, two ends of the screw shaft are in transmission connection with the electric motor and in threaded connection with the nut seat respectively, and the nut seat is connected with the sliding seat.
The device further comprises a control analysis module and an active noise reduction module for reducing noise of the electric component, wherein the active noise reduction module comprises a microphone detection module and a Hi-Fi loudspeaker, and is arranged on the nut seat; the artificial mouth, the left artificial ear, the right artificial ear and the noise generation loudspeaker are all electrically connected with the control analysis module.
Further, the control analysis module comprises an MCU.
Furthermore, the artificial mouth, the left artificial ear and the right artificial ear are positioned on the same straight line.
Furthermore, still include silence slide rail set spare, silence slide rail set spare is including the slide rail, the slider of mutually supporting, the slide is rotatable to be set up in the slider at the horizontal plane.
Furthermore, the device also comprises a magnetic suction component, wherein a limiting shaft is arranged on the sliding block, a limiting hole is arranged in the sliding seat, the limiting hole is sleeved outside the limiting shaft, and the sliding block and the sliding seat are sucked through the magnetic suction component.
The utility model has the advantages that: the utility model discloses an it makes an uproar to fall earphone electroacoustic test equipment, artifical mouth is used for simulating the human sound including the speaker, it hangs in left artifical ear to await measuring and fall the earphone of making an uproar, right artifical ear, artifical mouth sends interference sound during the test, two noises take place the speaker simultaneously at top and below sound production, the electric component can drive the slide and slide along the length direction of sound insulation box, thereby can carry out dynamic test to the earphone, and the noise reduction effect of noise source of measurable quantity earphone to top and below simultaneously, in order to realize measuring the performance of making an uproar of falling of the earphone that awaits measuring to the noise source in multi-angle position.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numerals include:
1-sound insulation box body 2-artificial mouth 3-left artificial ear
4-right artificial ear 5-slide 6-noise generating loudspeaker
7-electric motor
8-active noise reduction module
9-a slide rail assembly.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a noise reduction earphone electroacoustic test equipment, including sound insulation box 1, still including setting up in sound insulation box 1 inside artifical mouth 2, left artifical ear 3, right artifical ear 4, slide 5, noise generation speaker 6, artifical mouth 2 sets up in one end of box, slide 5 sets up in sound insulation box 1's bottom along the length direction slip of sound insulation box 1; the left artificial ear 3 and the right artificial ear 4 are arranged on the sliding seat 5 in a mirror image manner; the two noise generation loudspeakers 6 are positioned on the same straight line in the vertical direction and are respectively arranged at the top and the bottom of the sound insulation box body 1; and also comprises a motorized assembly for driving the slide 5 to slide. The utility model discloses an it makes an uproar to fall earphone electroacoustic test equipment, artifical mouth 2 is used for simulating the human sound including the speaker, it hangs in artifical ear 3 in a left side to await measuring to fall the earphone of making an uproar, artifical ear 4 in the right side, artifical mouth 2 sends interference sound during the test, speaker 6 is taken place to two noises and is simultaneously in the sound production in top and below, electric component can drive slide 5 and slide along the length direction who gives sound insulation box 1, thereby change the motion state of the earphone of awaiting measuring, thereby can carry out dynamic test to the earphone, and simultaneously measurable quantity earphone is to the noise source's of top and below constant noise reduction effect, in order to realize measuring the noise reduction performance of.
Further, the electric component comprises a controller, an electric motor 7, a screw shaft and a nut seat, the electric motor 7 is arranged on the outer wall of the sound insulation box body 1, two ends of the screw shaft are respectively in transmission connection with the electric motor 7 and in threaded connection with the nut seat, and the nut seat is connected with the sliding seat 5. The utility model discloses a noise reduction earphone electroacoustic test equipment, simple structure, it is with low costs. The motor 7 is a servo motor, the speed can be accurately regulated, and the controller can be a PLC and used for controlling the movement speed of the motor 7.
Further, the device also comprises a control analysis module and an active noise reduction module 8 for reducing noise of the electric component, wherein the active noise reduction module 8 comprises a microphone detection module and a Hi-Fi loudspeaker, and the active noise reduction module 8 is arranged on the nut seat; the artificial mouth 2, the left artificial ear 3, the right artificial ear 4 and the noise generation loudspeaker 6 are all electrically connected with the control analysis module. The utility model discloses a noise reduction earphone electroacoustic test equipment can avoid the noise of electrical component to the measurement interference of the earphone that awaits measuring.
Further, the control analysis module comprises an MCU. The utility model discloses a make an uproar earphone electroacoustic test equipment falls, MCU storage has data analysis procedure, can with computer signal transmission connection, MCU can carry out the analysis to various data.
Furthermore, the artificial mouth 2, the left artificial ear 3 and the right artificial ear 4 are positioned on the same straight line. The utility model discloses a make an uproar earphone electroacoustic test equipment falls, simple structure.
Furthermore, still include silence slide rail set spare 9, silence slide rail set spare 9 includes slide rail, the slider of mutually supporting, slide 5 is rotatable to be set up in the slider in the horizontal plane. The utility model discloses a make an uproar earphone electroacoustic test equipment falls, rotatable slide 5 is in order to realize the earphone in the measurement of different angles.
Further, still include magnetism and inhale the part, be provided with a spacing axle on the slider, be provided with a spacing hole in the slide 5, spacing hole cup joints outside spacing axle, and the slider inhales the part actuation through magnetism with slide 5. The utility model discloses an earphone electro-acoustic test equipment of making an uproar falls can be by the slider actuation after rotating slide 5, avoids slider and slide 5 not hard up.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the effectiveness of the prior art and has practicability, and thus it is a product with practical value.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a noise reduction earphone electroacoustic test equipment, includes sound insulation box (1), its characterized in that:
the noise-insulation box body is characterized by further comprising an artificial mouth (2), a left artificial ear (3), a right artificial ear (4), a sliding seat (5) and a noise generation loudspeaker (6), wherein the artificial mouth (2) is arranged at one end of the box body, and the sliding seat (5) is arranged at the bottom of the sound-insulation box body (1) in a sliding manner along the length direction of the sound-insulation box body (1); the left artificial ear (3) and the right artificial ear (4) are arranged on the sliding seat (5) in a mirror image manner; the two noise generation loudspeakers (6) are positioned on the same straight line in the vertical direction and are respectively arranged at the top and the bottom of the sound insulation box body (1);
the sound insulation box further comprises an electric component for driving the sliding seat (5) to slide, the electric component comprises a controller, an electric motor (7), a screw rod shaft and a nut seat, the electric motor (7) is arranged on the outer wall of the sound insulation box body (1), two ends of the screw rod shaft are in transmission connection with the electric motor (7) and in threaded connection with the nut seat respectively, and the nut seat is connected with the sliding seat (5).
2. The electro-acoustic testing device of a noise reducing headphone of claim 1, characterized by: the device also comprises a control analysis module and an active noise reduction module (8) for reducing noise of the electric component, wherein the active noise reduction module (8) comprises a microphone detection module and a Hi-Fi loudspeaker, and the active noise reduction module (8) is arranged on the nut seat; the artificial mouth (2), the left artificial ear (3), the right artificial ear (4) and the noise generation loudspeaker (6) are all electrically connected with the control analysis module.
3. The electro-acoustic testing device of a noise reducing headphone of claim 2, characterized by: the control analysis module comprises an MCU.
4. The electro-acoustic testing device of a noise reducing headphone of claim 1, characterized by: the artificial mouth (2) is positioned on the same straight line with the left artificial ear (3) and the right artificial ear (4).
5. The electro-acoustic testing device of a noise reducing headphone of claim 1, characterized by: still include silence slide rail set spare (9), silence slide rail set spare (9) are including the slide rail, the slider of mutually supporting, slide (5) are rotatable to be set up in the slider at the horizontal plane.
6. A noise reducing headphone electroacoustic testing device according to claim 5, characterized in that: the magnetic attraction type sliding seat is characterized by further comprising a magnetic attraction component, a limiting shaft is arranged on the sliding block, a limiting hole is formed in the sliding seat (5), the limiting hole is sleeved outside the limiting shaft, and the sliding block and the sliding seat (5) are attracted through the magnetic attraction component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021976638.6U CN213186559U (en) | 2020-09-11 | 2020-09-11 | Noise reduction earphone electroacoustic test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021976638.6U CN213186559U (en) | 2020-09-11 | 2020-09-11 | Noise reduction earphone electroacoustic test equipment |
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| Publication Number | Publication Date |
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| CN213186559U true CN213186559U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021976638.6U Active CN213186559U (en) | 2020-09-11 | 2020-09-11 | Noise reduction earphone electroacoustic test equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960175A (en) * | 2021-10-21 | 2022-01-21 | 格云特自动化科技（深圳）有限公司 | Material permeability detection device |
| CN114666719A (en) * | 2022-03-01 | 2022-06-24 | 深圳市百泰实业股份有限公司 | Noise reduction earphone testing device |
-
2020
- 2020-09-11 CN CN202021976638.6U patent/CN213186559U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960175A (en) * | 2021-10-21 | 2022-01-21 | 格云特自动化科技（深圳）有限公司 | Material permeability detection device |
| CN113960175B (en) * | 2021-10-21 | 2024-03-01 | 格云特自动化科技（深圳）有限公司 | Material permeability detection device |
| CN114666719A (en) * | 2022-03-01 | 2022-06-24 | 深圳市百泰实业股份有限公司 | Noise reduction earphone testing device |
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