CN114025296B - Intelligent test system for high-power speakers - Google Patents
Intelligent test system for high-power speakers Download PDFInfo
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- CN114025296B CN114025296B CN202111313086.XA CN202111313086A CN114025296B CN 114025296 B CN114025296 B CN 114025296B CN 202111313086 A CN202111313086 A CN 202111313086A CN 114025296 B CN114025296 B CN 114025296B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
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- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
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- Acoustics & Sound (AREA)
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Abstract
本发明涉及音箱测试技术领域，具体地说，涉及高功率音箱的智能化测试系统。其包括测试台，测试台包括底板，底板设有承托体，承托体开设有插接槽，底板设有卡接体，卡接体设有测试环境，测试环境至少包括：消声罩，消声罩包括顶板，顶板开设有一号槽，一号槽设有一号海绵，顶板设有侧面板，侧面板开设有二号槽，二号槽设有二号海绵，侧面板开设有卡接槽；固定体，固定体包括连接杆，连接杆设有插接体，插接体设有固定环；收音体，收音体包括连接板，连接板连接有一号杆，一号杆连接有套环，套环套接有声音收集器。本发明主要提出一种用于测试高功率音箱的音频播放质量的智能测试系统。
The present invention relates to the technical field of speaker testing, and in particular, to an intelligent testing system for high-power speakers. The test bench includes a test bench, which includes a bottom plate, a supporting body, a plug-in slot, a clamping body, a test environment, and a soundproof cover, which includes a top plate, a slot No. 1, a sponge No. 1, a side panel, a slot No. 2, a sponge No. 2, and a clamping slot; a fixed body, which includes a connecting rod, a plug-in body, and a fixing ring; a sound receiving body, which includes a connecting plate, a connecting plate connected to a rod No. 1, a rod No. 1 connected to a ring, and a sound collector connected to the ring. The present invention mainly proposes an intelligent testing system for testing the audio playback quality of a high-power speaker.
Description
Technical Field
The invention relates to the technical field of sound box testing, in particular to an intelligent testing system of a high-power sound box.
Background
The sound box is a device capable of converting audio signals into sound, and generally speaking, the sound box is a device capable of converting audio signals into sound, namely a power amplifier is arranged in a box body of a sound box main body or a box body of a bass loudspeaker, the sound is played back by the sound box after the audio signals are amplified, so that the sound is amplified, the sound box is a terminal of the whole sound system, the sound box is used for converting audio electric energy into corresponding sound energy and radiating the corresponding sound energy into space, and the sound box is an extremely important component part of the sound system and is responsible for converting electric signals into sound signals for ears of people to directly listen.
The power determines the maximum sound intensity which can be emitted by the sound box, and the high-power sound box can have strong shock force when playing music, however, the high-power sound box has the defects that the played audio is distorted, the error between the audio and the original audio is large, the sound playing quality is poor, and no industry standard for testing the sound box exists at present, so an intelligent testing system for the high-power sound box is needed.
Disclosure of Invention
The invention aims to provide an intelligent test system of a high-power sound box so as to solve the problems in the background technology.
In order to achieve the above object, the present invention provides an intelligent test system for a high-power sound box, comprising a test device, wherein the test device comprises a test board, the test board comprises a bottom plate, a supporting body is arranged in the middle of the upper surface of the top of the bottom plate, inserting grooves are symmetrically formed in the side surfaces of the supporting body, a clamping body is arranged at the edge of the upper surface of the top of the bottom plate, a test environment is arranged at the top of the clamping body, and the test environment at least comprises:
The muffler cover comprises a top plate, a first groove is formed in the top plate, a first sponge is arranged in the first groove, a side panel is arranged at the bottom of the top plate, a second groove is formed in the surface of the side panel, a second sponge is arranged in the second groove, a clamping groove is formed in the bottom of the side panel, and the clamping groove is matched with the clamping body in a clamping mode;
the fixing body comprises a connecting rod, one end of the bottom of the connecting rod is provided with a plug body, the plug body is in plug fit with the plug groove, and one end of the top of the plug body is provided with a fixing ring;
The sound receiving body comprises a connecting plate connected with the supporting body, one end of the connecting plate is connected with a first rod, the top of the first rod is connected with a lantern ring, and the lantern ring is sleeved with a sound collector.
As a further improvement of the technical scheme, a layer of fiber blanket is arranged on the top surface of the supporting body and the contact surface of the fixing ring and the sound box.
As a further improvement of the technical scheme, a wind shield is sleeved at the top of the sound collector.
As a further improvement of the technical scheme, a clamping ring is arranged on the bottom surface of the supporting body, a circular penetrating opening is formed in one end, away from the first rod, of the connecting plate, and the clamping ring is located in the circular penetrating opening and is rotationally connected with the connecting plate.
As a further improvement of the technical scheme, a sliding groove is formed in the surface of the connecting plate, a sliding plate is arranged at the bottom of the first rod, the sliding plate is in sliding connection with the sliding groove, the top of the first rod is in plug-in connection with the second rod, and the second rod is connected with the lantern ring.
As a further improvement of the technical scheme, the second rod is rotationally connected with the lantern ring.
As a further improvement of the technical scheme, the test device comprises a test module, wherein the test module comprises a sound collecting module, an audio analyzer, a data comparison module, a recording module and a control module, the sound collecting module comprises a sound collector, the sound collecting module is connected with the audio analyzer, the audio analyzer is connected with the recording module, the recording module is connected with the data comparison module, and the data comparison module is connected with the control module in a bidirectional manner.
As a further improvement of the technical scheme, the control module adopts APE format audio files.
As a further improvement of the technical scheme, all modules of the test system are communicated through RS 485.
As a further improvement of the technical scheme, the control module is connected with a high-power sound box through a wire.
Compared with the prior art, the invention has the beneficial effects that:
1. In this intelligent test system of high-power audio amplifier, through being equipped with the fibre blanket and can carrying out the buffering to the vibrations that produce when audio amplifier broadcast audio frequency and clear up, can reduce the influence that the air flow gathered the audio frequency to sound collector through being equipped with the windshield.
2. In this intelligent test system of high-power audio amplifier, be favorable to changing sound collector horizontal position through being equipped with joint ring, the connecting plate that rotate the connection, thereby be favorable to changing sound collector's inclination through being equipped with rotation connection No. two poles, lantern ring and be favorable to the collection to the audio frequency.
3. In this intelligent test system of high-power audio amplifier, have high-power audio amplifier through wired connection can ensure that the audio amplifier can accept complete audio file, avoids test error from the source, can improve the degree of accuracy of test.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a test stand according to the present invention;
FIG. 3 is a schematic view of a test environment according to the present invention;
FIG. 4 is a schematic cross-sectional view of a muffler cover according to the present invention;
FIG. 5 is a schematic view of a fixture according to the present invention;
FIG. 6 is a schematic view of a sound receiver according to the present invention;
FIG. 7 is a schematic diagram of a testing system according to the present invention.
The meaning of each reference sign in the figure is:
1. A test bench;
11. the device comprises a bottom plate, a supporting body, a clamping body, a plugging groove, a clamping ring and a clamping ring, wherein the bottom plate is provided with a plurality of holes;
2. testing the environment;
21. a muffler cover;
211. Top plate 212, first groove 213, first sponge 214, side panel 215, second groove 216, second sponge 217, clamping groove;
22. a fixed body;
221. 222 parts of connecting rod, 223 parts of plug body and 223 parts of fixing ring;
23. a radio body;
231. Connection plate 232, rod one, 233, sound collector 234, sliding groove 235, sliding plate 236, rod two, 237, collar 238, windshield.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-6, an objective of the present embodiment is to provide an intelligent testing system for a high-power sound box, which comprises a testing device, wherein the testing device comprises a testing table 1, the testing table 1 comprises a bottom plate 11, the bottom plate 11 is a cylinder, a supporting body 12 is arranged in the middle of the top surface of the bottom plate 11, the supporting body 12 is a 'T' -shaped cylinder, inserting grooves 14 are symmetrically arranged on the side surfaces of the supporting body 12, the inserting grooves 14 are square structure grooves, a clamping body 13 is arranged on the edge of the top surface of the bottom plate 11, the clamping body 13 is a semi-annular protrusion, a testing environment 2 is arranged at the top of the clamping body 13, and the testing environment 2 at least comprises:
The muffler cover 21, the muffler cover 21 comprises a top plate 211, the top plate 211 is a cylinder, the top plate 211 is provided with a first groove 212, a first sponge 213 is arranged in the first groove 212, a side plate 214 is arranged at the bottom of the top plate 211, the side plate 214 is of a torus structure, a second groove 215 is arranged on the surface of the side plate 214, a second sponge 216 is arranged in the second groove 215, a clamping groove 217 is arranged at the bottom of the side plate 214, the clamping groove 217 is a semi-annular structure groove, and the clamping groove 217 is matched with the clamping body 13 in a clamping way;
The fixing body 22, the fixing body 22 comprises a connecting rod 221, the connecting rod 221 is of a C-shaped structure, one end of the bottom of the connecting rod 221 is provided with a plug body 222, the plug body 222 is of a cube, the plug body 222 is in plug fit with the plug groove 14, one end of the top of the plug body 222 is provided with a fixing ring 223, and the fixing ring 223 is a cube plate with an arc-shaped groove at one side;
The sound receiving body 23, the sound receiving body 23 includes the connecting plate 231 that is connected with the bearing body 12, and connecting plate 231 one end is connected with a pole 232, and a pole 232 top is connected with the lantern ring 237, and the lantern ring 237 cup joints sound collector 233.
The sound collector 233 of this embodiment preferably adopts a PM422 with a microphone metal cover, a mute touch & LED indicator light, microphone gain control, a USB interface, and the PM422 adopts a heart-shaped design to facilitate sound collection, the frequency response is 20 to 20000Hz, the sensitivity is-47 dB to 29dB, ±3dB, (0 db=1v/Pa at 1 KHz), the sampling depth is 24 bits, and the sampling rate is up to 192KHz.
In the embodiment, when the high-power sound box to be tested is specifically used, the middle part of the top of the supporting body 12 is placed, the plug body 222 is moved in the plug groove 14, so that the connecting rod 221 drives the fixing ring 223 to approach and fix the sound box, after the top of the wind shield 238 is sleeved with the wind shield 238, the sound elimination cover 21 is placed on the top of the test bench 1, so that the sound box is in a closed state, the test accuracy is ensured, the clamping body 13 is clamped into the clamping groove 217 when the sound elimination cover is placed, and the first sponge 213 and the second sponge 216 can effectively eliminate environmental noise during the test, so that the sound collector 233 is beneficial to collecting sound played by the sound box.
Further, in order to buffer vibration, a layer of fiber blanket is arranged on the top surface of the supporting body 12 and the contact surface between the fixing ring 223 and the sound box, and vibration generated when the sound box plays audio can be buffered and resolved by arranging the fiber blanket.
Further to reduce the air effect, the top of the sound collector 233 is sleeved with a windshield 238, and by providing the windshield 238, the effect of air flow on the sound collection of the sound collector 233 can be reduced.
Example 2
To facilitate adjusting the position of the sound collector 233 to better measure the sound box when ensuring that the high power sound box can be subjected to audio testing, this embodiment is an improvement over embodiment 1:
Wherein, support body 12 bottom surface is equipped with joint ring 15, and joint ring 15 is "H" cylinder, and round wearing mouth has been seted up to connecting plate 231 one end of keeping away from a pole 232, and joint ring 15 is located round wearing mouth and rotates with connecting plate 231 to be connected, is favorable to changing sound collector 233 horizontal position through being equipped with joint ring 15, the connecting plate 231 that rotate to be connected, is convenient for to the collection of audio amplifier broadcast audio frequency.
Further, the sliding groove 234 is formed in the surface of the connecting plate 231, the sliding groove 234 is a square through hole, the sliding plate 235 is arranged at the bottom of the first rod 232, the sliding plate 235 is an H-shaped structural plate, the sliding plate 235 is slidably connected with the sliding groove 234, the second rod 236 is in plug-in fit with the top of the first rod 232, the second rod 236 is connected with the collar 237, and the distance between the sound collector 233 and the sound box can be adjusted through the sliding groove 234, the sliding plate 235 and the plug-in fit first rod 232 and the second rod 236.
Further, the second rod 236 is rotatably connected with the collar 237, and the second rod 236 and the collar 237 are rotatably connected to facilitate changing the inclination angle of the sound collector 233, thereby facilitating the collection of audio.
Example 3
Referring to fig. 7, an objective of the present embodiment is to provide an intelligent test system for a high-power sound box, which includes a test module, wherein the test module includes a sound collecting module, an audio analyzer, a data comparing module, a recording module, and a control module, the sound collecting module includes a sound collector 233, the sound collecting module is connected with the audio analyzer, the audio analyzer is connected with the recording module, the recording module is connected with the data comparing module, and the data comparing module is bidirectionally connected with the control module.
Furthermore, the control module adopts the APE format audio file, and the tone quality of the APE format audio file is good, so that the test of the high-power sound box is facilitated.
Furthermore, each module of the test system is communicated through RS485, the RS485 has good anti-interference performance, and data errors can be avoided through communication of the RS 485.
Furthermore, the control module is connected with the high-power sound box in a wired mode, and the sound box can be ensured to accept the complete audio file in a wired mode.
When the embodiment is specifically implemented, the control module selects a section of audio file in an APE format and sends the section of audio file to the high-power sound box and the data comparison module, the high-power sound box converts the received audio file into an analog signal from a digital signal and plays the analog signal through the loudspeaker system, the loudspeaker system of the sound box adopts maximum power during playing, the sound collection module is responsible for collecting sound played by the sound box and transmitting the collected sound signal to the audio analyzer, the analog signal is inverted into a digital signal, the audio digital signal is transmitted to the recording module for storage, the recording module sends the stored audio information to the data comparison module after the audio file of the sound box is played, and the data comparison module compares the collected and played sound signal with the original audio file, so that the playing quality of the sound box is tested.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313086.XA CN114025296B (en) | 2021-11-08 | 2021-11-08 | Intelligent test system for high-power speakers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111313086.XA CN114025296B (en) | 2021-11-08 | 2021-11-08 | Intelligent test system for high-power speakers |
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| CN114025296A CN114025296A (en) | 2022-02-08 |
| CN114025296B true CN114025296B (en) | 2025-01-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204291336U (en) * | 2014-12-15 | 2015-04-22 | 深圳市佳晨科技有限公司 | A soundproof sound box with side opening door |
| CN109005493A (en) * | 2018-05-29 | 2018-12-14 | 东莞市龙健电子有限公司 | A kind of sound equipment test device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4180807B2 (en) * | 2001-04-27 | 2008-11-12 | パイオニア株式会社 | Speaker detection device |
| CN213485165U (en) * | 2020-11-25 | 2021-06-18 | 深圳市雅乐实业有限公司 | Intelligent testing device for high-fidelity sound source |
| CN214544796U (en) * | 2021-04-29 | 2021-10-29 | 广西声讯信息科技有限公司 | Efficient sound quality detection device |
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2021
- 2021-11-08 CN CN202111313086.XA patent/CN114025296B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204291336U (en) * | 2014-12-15 | 2015-04-22 | 深圳市佳晨科技有限公司 | A soundproof sound box with side opening door |
| CN109005493A (en) * | 2018-05-29 | 2018-12-14 | 东莞市龙健电子有限公司 | A kind of sound equipment test device |
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| CN114025296A (en) | 2022-02-08 |
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Effective date of registration: 20241217 Address after: No. 2, Dawei 10th Lane, Xidong Village, Xichang Town, Jiedong County, Jieyang City, Guangdong Province, 522000 Applicant after: Lin Danqin Country or region after: China Address before: 518119 No. 101, 201, 301, 401, 501, 201, 301, A005, building a006, Zhiyou group, No. 92, Jinye Road, Kuixin community, Kuiyong street, Dapeng New District, Shenzhen, Guangdong Applicant before: FLYBALL ELECTRONIC (SHENZHEN) Co.,Ltd. Country or region before: China |
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Effective date of registration: 20250515 Address after: 510800 Guangdong Province Guangzhou City Huadu District Juzihshi Avenue No. 333 Building 1, Room 701 (Self-compiled) Patentee after: Guangzhou Yingge Electronics Co.,Ltd. Country or region after: China Address before: No. 2, Dawei 10th Lane, Xidong Village, Xichang Town, Jiedong County, Jieyang City, Guangdong Province, 522000 Patentee before: Lin Danqin Country or region before: China |