CN110099349A - A kind of multifunctional testing platform of loudspeaker - Google Patents
A kind of multifunctional testing platform of loudspeaker Download PDFInfo
- Publication number
- CN110099349A CN110099349A CN201910258837.9A CN201910258837A CN110099349A CN 110099349 A CN110099349 A CN 110099349A CN 201910258837 A CN201910258837 A CN 201910258837A CN 110099349 A CN110099349 A CN 110099349A
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- desktop
- testing platform
- output end
- multifunctional testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of multifunctional testing platforms of loudspeaker, including desktop, there are four stabilizer blades for the lower surface array distribution of the desktop, fixed plate is connected with by stiffening plate on the left of the upper surface of desktop, baffle ring is equipped in hole in the middle part of the left surface of fixed plate, there is loose collar in the left surface of baffle ring by installing Stud connection, loudspeaker are equipped in the middle part of loose collar, audio analyzer is equipped on the left of the upper surface of desktop, the upper surface of audio analyzer is equipped with power amplifier module, positioning plate is equipped on the right side of the upper surface of desktop, positioning plate is equipped with locating rod, the multifunctional testing platform of this loudspeaker, test function multiplicity, when the model of loudspeaker is larger, disassemble loose collar, loudspeaker are directly connect with baffle ring, it can be adapted to and install various types of loudspeaker, good test effect, it is able to detect the sound effect of different distance, can automatically record data and Judge loudspeaker qualification with it is unqualified.
Description
Technical field
The present invention relates to loudspeaker the field of test technology, specially a kind of multifunctional testing platform of loudspeaker.
Background technique
Loudspeaker are also loudspeaker, are a kind of energy transducer for electric signal being changed into acoustical signal, the performance superiority and inferiority of loudspeaker
Influence to sound quality is very big.Loudspeaker is a most weak device in stereo set, and for acoustics, it is again
It is a most important component.Loudspeaker it is many kinds of, and price differs greatly.Loudspeaker needs to carry out before factory more
The test of a project.In the prior art, the test equipment function of loudspeaker is less, and the project of test is few, and can not be adapted to more
The loudspeaker of kind model, test effect is bad, can not detect the sound effect of different distance, can not automatically record data and sentence
Disconnected loudspeaker qualification with it is unqualified.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of multifunctional testing platform of loudspeaker,
Test function multiplicity, and various types of loudspeaker can be adapted to and install, good test effect is able to detect the sound of different distance
Audio fruit, data can be automatically recorded and judge loudspeaker qualification with it is unqualified, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of multifunctional testing platform of loudspeaker, including table
Plate, for the lower surface array distribution of the desktop there are four stabilizer blade, the upper surface left side of desktop is connected with fixed plate by stiffening plate,
Baffle ring is equipped in hole in the middle part of the left surface of fixed plate, there is loose collar in the left surface of baffle ring by installing Stud connection, activity
It is equipped with loudspeaker in the middle part of ring, audio analyzer is equipped on the left of the upper surface of desktop, the upper surface of audio analyzer is equipped with power amplifier module,
Positioning plate is equipped on the right side of the upper surface of desktop, positioning plate is equipped with locating rod, the left-handed watch of the side surface of locating rod and the first sliding block
The hole in face is socketed, and the upper surface of the first sliding block is equipped with connection strap, and connection strap is equipped with slide construction, and slide construction, which is equipped with, to be stretched
Contracting mechanism, telescoping mechanism are equipped with oscillograph, and the front surface of desktop is equipped with single-chip microcontroller, the input terminal of single-chip microcontroller and external power supply
Output end electrical connection, single-chip microcontroller with audio analyzer is two-way is electrically connected, the output end of single-chip microcontroller and the input terminal of power amplifier module are electric
Connection, the output end of power amplifier module are electrically connected with the input terminal of loudspeaker, the output end of oscillograph and the input terminal of audio analyzer
Electrical connection.
As a preferred technical solution of the present invention, the left surface of the fixed plate is connected to ten thousand by strip detachable card
Energy table, the output end of universal meter are electrically connected with the input terminal of single-chip microcontroller, and the input terminal of universal meter is electrically connected with the output end of loudspeaker,
Multimeter is adjusted and arrives " ohm " shelves, two test pencils connect two leads of loudspeaker respectively, if the resistance value measured be equal to zero or
Person's very little illustrates that the coil inside of loudspeaker has the place of short circuit；If the resistance value measured has got to infinitely great position, explanation
Loudspeaker break, and increase test mode.
As a preferred technical solution of the present invention, there are four the quantity of the positioning plate is set, and four positioning plates are flat
Row array distribution, there are two locating rod is set, and locating rod is separately positioned between two or so corresponding positioning plates, passes through restriction
The quantity of positioning plate and position and the position of locating rod guarantee the reasonability of design.
As a preferred technical solution of the present invention, first is threaded in the screw hole of first sliding block side surface
Fastening stud, the end of the first fastening stud are contacted with the side surface of locating rod, increase fixing intensity, are prevented when test
First sliding block slides, to influence test effect.
As a preferred technical solution of the present invention, the front surface of the desktop is equipped with U-shaped piece, U-shaped piece of lower surface
The second fastening stud is threaded in screw hole, the end of the second fastening stud is contacted with desktop, and U-shaped piece of upper surface is equipped with goose
Neck tube, the upper end of gooseneck are connected with microphone by placing block, and the output end of microphone and the input terminal of power amplifier module are electrically connected
It connects, can be propagandaed directed to communicate to power amplifier module by microphone, when increasing test mode, and twisting gooseneck, microphone can be driven
Movement.
As a preferred technical solution of the present invention, the slide construction includes draw runner, and connection strap is arranged in draw runner
Upper surface, the upper surface slide of draw runner are connected with the second sliding block, and the second sliding block can be slided on draw runner, thus it is possible to vary survey
Test effect is improved in the position of examination.
As a preferred technical solution of the present invention, the telescoping mechanism includes casing, and casing is arranged in the second sliding block
Upper surface, the middle part of casing is equipped with portable pillar, is threaded with third fastening stud in the screw hole of casing side surface, third is tight
Gu the end of stud is contacted with the side surface of portable pillar, portable pillar can be moved in casing, facilitated and adjusted oscillograph
Just, the sound effect of different location can be tested.
Compared with prior art, the beneficial effects of the present invention are: the multifunctional testing platform of this loudspeaker, test function are more
Sample disassembles loose collar when the model of loudspeaker is larger, and loudspeaker are directly connect with baffle ring, a variety of types can be adapted to and install
Number loudspeaker, good test effect is able to detect the sound effect of different distance, can automatically record data and judge loudspeaker qualification
With it is unqualified.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is leading flank schematic diagram of the present invention；
Fig. 3 is right side schematic diagram of the present invention.
In figure: 1 desktop, 2 positioning plates, 3 locating rods, 4 first fastening studs, 5 single-chip microcontrollers, 6 oscillographs, 7 portable pillars, 8 sets
Pipe, 9 fixed plates, 10 loose collars, 11 loudspeaker, 12 stiffening plates, 13 power amplifier modules, 14 audio analyzers, 15 universal meters, 16 strips,
17 second fastening studs, 18 U-shaped pieces, 19 goosenecks, 20 place blocks, 21 microphones, 22 third fastening studs, 23 first sliding blocks,
24 stabilizer blades, 25 draw runners, 26 second sliding blocks, 27 telescoping mechanisms, 28 connection straps, 29 slide constructions, 30 baffle rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution:
Embodiment 1: a kind of multifunctional testing platform of loudspeaker, including desktop 1, there are four branch for the lower surface array distribution of desktop 1
The upper surface left side of foot 24, desktop 1 is connected with fixed plate 9 by stiffening plate 12, increases structural strength by stiffening plate 12, and
Fixed plate 9 is vertically arranged with desktop 1, and baffle ring 30 is equipped in the hole in the middle part of the left surface of fixed plate 9, and the left surface of baffle ring 30 is logical
Crossing installation Stud connection has loose collar 10, is equipped with loudspeaker 11, when the model of loudspeaker 11 is larger, disassembly activity in the middle part of loose collar 10
Loudspeaker 11 are directly connect with baffle ring 30 by ring 10, convenient for being adapted to and installing various types of loudspeaker, the upper surface left side of desktop 1
Equipped with audio analyzer 14, the upper surface of audio analyzer 14 is equipped with power amplifier module 13, is equipped with positioning on the right side of the upper surface of desktop 1
Plate 2, positioning plate 2 are equipped with locating rod 3, and the side surface of locating rod 3 and the hole of the left surface of the first sliding block 23 are socketed, and first is sliding
The upper surface of block 23 is equipped with connection strap 28, and connection strap 28 is equipped with slide construction 29, and slide construction 29 is equipped with telescoping mechanism 27,
Telescoping mechanism 27 is equipped with oscillograph 6, and the first sliding block 23 can be slided along locating rod 3, and the first sliding block 23 can pass through
Connection strap 28 drives the movement of slide construction 29 and telescoping mechanism 27, and telescoping mechanism 27 can drive the movement of oscillograph 6, desktop
1 front surface is equipped with single-chip microcontroller 5, and the input terminal of single-chip microcontroller 5 is electrically connected with the output end of external power supply, single-chip microcontroller 5 and audio point
The two-way electrical connection of analyzer 14, the input terminal electrical connection of the output end and power amplifier module 13 of single-chip microcontroller 5, the output end of power amplifier module 13
It is electrically connected with the input terminal of loudspeaker 11, the output end of oscillograph 6 is electrically connected with the input terminal of audio analyzer 14, and single-chip microcontroller 5 is controlled
Audio analyzer 14 and power amplifier module 13 processed are all made of common method in the prior art, and single-chip microcontroller 5 is public using Motorola
The M68HC12 model of department.
The left surface of fixed plate 9 is connected to universal meter 15, the output end and monolithic of universal meter 15 by 16 detachable card of strip
The input terminal of machine 5 is electrically connected, and the input terminal of universal meter 15 is electrically connected with the output end of loudspeaker 11, and multimeter 15 is adjusted and arrives " Europe
Nurse " shelves, two test pencils connect two leads of loudspeaker 11 respectively, if the resistance value measured is equal to zero or very little, illustrate loudspeaker
11 coil inside has the place of short circuit；If the resistance value measured has got to infinitely great position, illustrate that loudspeaker 11 break,
Increase test mode.
There are four the quantity of positioning plate 2 is set, and the distribution of four 2 parallel arrays of positioning plate, there are two locating rod 3 is set, and it is fixed
Position bar 3 is separately positioned between two or so corresponding positioning plates 2, passes through the quantity of restriction positioning plate 2 and position and positioning
The position of bar 3 guarantees the reasonability of design.
Be threaded with the first fastening stud 4 in the screw hole of first sliding block, 23 side surface, the end of the first fastening stud 4 with
The side surface of locating rod 3 contacts, and increases fixing intensity, prevents the first sliding block 23 when test from sliding, to influence
Test effect.
Embodiment 2:
The present embodiment the difference from embodiment 1 is that:
In the present embodiment, the front surface of desktop 1 is equipped with U-shaped piece 18, and it is tight that second is threaded in the screw hole of U-shaped piece of 18 lower surfaces
Gu the end of stud 17, the second fastening stud 17 is contacted with desktop 1, U-shaped piece 18 of upper surface is equipped with gooseneck 19, gooseneck 19
Upper end by place block 20 be connected with microphone 21, the output end of microphone 21 is electrically connected with the input terminal of power amplifier module 13.
Specifically, can propaganda directed to communicate to power amplifier module 13 by microphone 21, increase test mode, and twist gooseneck 19
When, the movement of microphone 21 can be driven.
Embodiment 3:
The present embodiment the difference from embodiment 1 is that:
In the present embodiment, slide construction 29 includes draw runner 25, and the upper surface of connection strap 28, the upper table of draw runner 25 is arranged in draw runner 25
Face slidably connects the second sliding block 26, and telescoping mechanism 27 includes casing 8, and the upper surface of the second sliding block 26, casing is arranged in casing 8
8 middle part is equipped with portable pillar 7, is threaded with third fastening stud 22, third fastening stud 22 in the screw hole of 8 side surface of casing
End contacted with the side surface of portable pillar 7.
Specifically, the second sliding block 26 can be slided on draw runner 25, thus it is possible to vary the position of test, 7 energy of portable pillar
It is enough to be moved in casing 8, facilitate the height for adjusting oscillograph 6, the sound effect of different location, test effect can be tested
It is good, improve test effect.
When in use: loudspeaker 11 are mounted on fixed plate 9 by connection external power supply, can be to power amplifier mould by microphone 21
Block 13 is propagandaed directed to communicate, and power amplifier module 13 plays out content of propagandaing directed to communicate by loudspeaker 11, and oscillograph 6 records sound wave and frequency, and will letter
Number it is transferred to audio analyzer 14, analyzes whether loudspeaker 11 are qualified, and audio analyzer 14 will be qualified by audio analyzer 14
Signal is transferred to single-chip microcontroller 5, automatically records data by single-chip microcontroller 5；
Multimeter 15 is adjusted and arrives " ohm " shelves, two test pencils connect two leads of loudspeaker 11 respectively, if the resistance value measured
Equal to zero or very little, illustrate that the coil inside of loudspeaker 11 has the place of short circuit；If the resistance value measured has got to infinity
Position, illustrate loudspeaker 11 break；
Second sliding block 26 can be slided on draw runner 25, thus it is possible to vary the position of test, portable pillar 7 can be in casings 8
It is moved, facilitates the position for adjusting oscillograph 6.
Test function of the present invention multiplicity, when the model of loudspeaker 11 is larger, disassembles loose collar 10, by loudspeaker 11 directly with
Baffle ring 30 connects, and can be adapted to and install various types of loudspeaker 11, and good test effect is able to detect the sound effect of different distance
Fruit, data can be automatically recorded and judge loudspeaker qualification with it is unqualified.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of multifunctional testing platform of loudspeaker, including desktop (1), it is characterised in that: the lower surface array of the desktop (1)
There are four stabilizer blade (24), the upper surface left sides of desktop (1) to be connected with fixed plate (9) by stiffening plate (12) for distribution, fixed plate (9)
Left surface in the middle part of hole in be equipped with baffle ring (30), there is loose collar in the left surface of baffle ring (30) by installation Stud connection
(10), loudspeaker (11) are equipped in the middle part of loose collar (10), are equipped with audio analyzer (14) on the left of the upper surface of desktop (1), audio point
The upper surface of analyzer (14) is equipped with power amplifier module (13), is equipped with positioning plate (2) on the right side of the upper surface of desktop (1), on positioning plate (2)
Equipped with locating rod (3), the hole of the left surface of the side surface and the first sliding block (23) of locating rod (3) is socketed, the first sliding block (23)
Upper surface be equipped with connection strap (28), connection strap (28) be equipped with slide construction (29), slide construction (29) be equipped with telescopic machine
Structure (27), telescoping mechanism (27) are equipped with oscillograph (6), and the front surface of desktop (1) is equipped with single-chip microcontroller (5), single-chip microcontroller (5) it is defeated
Enter end to be electrically connected with the output end of external power supply, single-chip microcontroller (5) with audio analyzer (14) is two-way is electrically connected, single-chip microcontroller (5)
The electrical connection of the input terminal of output end and power amplifier module (13), the input terminal of the output end and loudspeaker (11) of power amplifier module (13) are electrically connected
It connects, the output end of oscillograph (6) is electrically connected with the input terminal of audio analyzer (14).
2. a kind of multifunctional testing platform of loudspeaker according to claim 1, it is characterised in that: the fixed plate (9)
Left surface is connected to universal meter (15) by strip (16) detachable card, the output end of universal meter (15) and the input of single-chip microcontroller (5)
End electrical connection, the input terminal of universal meter (15) are electrically connected with the output end of loudspeaker (11).
3. a kind of multifunctional testing platform of loudspeaker according to claim 1, it is characterised in that: the positioning plate (2)
There are four quantity is set, and the distribution of four positioning plate (2) parallel arrays, there are two locating rod (3) is set, and locating rod (3) is set respectively
It sets between two or so corresponding positioning plates (2).
4. a kind of multifunctional testing platform of loudspeaker according to claim 1, it is characterised in that: first sliding block (23)
It is threaded in the screw hole of side surface the first fastening stud (4), the end of the first fastening stud (4) and the side of locating rod (3)
Surface contact.
5. a kind of multifunctional testing platform of loudspeaker according to claim 1, it is characterised in that: before the desktop (1)
Surface is equipped with U-shaped piece (18), is threaded with the second fastening stud (17) in the screw hole of U-shaped piece of (18) lower surface, the second fastening
The end of stud (17) is contacted with desktop (1), and the upper surface of U-shaped piece (18) is equipped with gooseneck (19), the upper end of gooseneck (19)
It is connected with microphone (21) by placing block (20), the input terminal of the output end and power amplifier module (13) of microphone (21) is electrically connected
It connects.
6. a kind of multifunctional testing platform of loudspeaker according to claim 1, it is characterised in that: the slide construction (29)
Including draw runner (25), draw runner (25) is arranged in the upper surface of connection strap (28), and the upper surface slide of draw runner (25) is connected with second
Sliding block (26).
7. a kind of multifunctional testing platform of loudspeaker according to claim 1, it is characterised in that: the telescoping mechanism (27)
Including casing (8), casing (8) setting is equipped with portable pillar (7) at the upper surface of the second sliding block (26), the middle part of casing (8), casing
(8) it is threaded in the screw hole of side surface third fastening stud (22), the end and portable pillar (7) of third fastening stud (22)
Side surface contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258837.9A CN110099349B (en) | 2019-04-01 | 2019-04-01 | Multifunctional testing platform for loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258837.9A CN110099349B (en) | 2019-04-01 | 2019-04-01 | Multifunctional testing platform for loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110099349A true CN110099349A (en) | 2019-08-06 |
| CN110099349B CN110099349B (en) | 2021-11-09 |
Family
ID=67444191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910258837.9A Expired - Fee Related CN110099349B (en) | 2019-04-01 | 2019-04-01 | Multifunctional testing platform for loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110099349B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083583A (en) * | 2019-12-18 | 2020-04-28 | 公安部第三研究所 | Be applied to testing arrangement at desktop gooseneck microphone formula terminal of talkbacking |
| CN111263287A (en) * | 2020-02-28 | 2020-06-09 | 广州市天历德电子科技有限公司 | Testing arrangement of test sound performance |
| CN113301489A (en) * | 2021-05-20 | 2021-08-24 | 江苏集结号机车科技有限公司 | Automatic testing system and method for vehicle-mounted loudspeaker |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04302300A (en) * | 1991-03-29 | 1992-10-26 | Aiwa Co Ltd | Driving device for bass reflecting type loudspeaker |
| CN202818603U (en) * | 2012-07-31 | 2013-03-20 | 广州市拓煌电声配件科技有限公司 | Equipment for testing Young's modulus and loss factor of loudspeaker cone |
| CN203279179U (en) * | 2013-06-07 | 2013-11-06 | 宁波东源音响器材有限公司 | Loudspeaker laser test support |
| CN103546855A (en) * | 2013-10-31 | 2014-01-29 | 京东方科技集团股份有限公司 | Testing jig for testing horn |
| CN205902077U (en) * | 2016-07-06 | 2017-01-18 | 深圳市方博仪器有限公司 | Loudspeaker body measuring device |
| CN107635184A (en) * | 2017-08-04 | 2018-01-26 | 王路明 | A kind of test device of multifunction speaker |
| CN207783142U (en) * | 2017-12-28 | 2018-08-28 | 珠海市精实测控技术有限公司 | A kind of Microspeaker test fixture |
| CN208273244U (en) * | 2018-04-23 | 2018-12-21 | 广州雅瑞电子有限公司 | A kind of loudspeaker public address efficacy test device |
| CN109474880A (en) * | 2018-12-28 | 2019-03-15 | 深圳市智立方自动化设备有限公司 | The sound proof box of loudspeaker acoustical testing |
-
2019
- 2019-04-01 CN CN201910258837.9A patent/CN110099349B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04302300A (en) * | 1991-03-29 | 1992-10-26 | Aiwa Co Ltd | Driving device for bass reflecting type loudspeaker |
| CN202818603U (en) * | 2012-07-31 | 2013-03-20 | 广州市拓煌电声配件科技有限公司 | Equipment for testing Young's modulus and loss factor of loudspeaker cone |
| CN203279179U (en) * | 2013-06-07 | 2013-11-06 | 宁波东源音响器材有限公司 | Loudspeaker laser test support |
| CN103546855A (en) * | 2013-10-31 | 2014-01-29 | 京东方科技集团股份有限公司 | Testing jig for testing horn |
| CN205902077U (en) * | 2016-07-06 | 2017-01-18 | 深圳市方博仪器有限公司 | Loudspeaker body measuring device |
| CN107635184A (en) * | 2017-08-04 | 2018-01-26 | 王路明 | A kind of test device of multifunction speaker |
| CN207783142U (en) * | 2017-12-28 | 2018-08-28 | 珠海市精实测控技术有限公司 | A kind of Microspeaker test fixture |
| CN208273244U (en) * | 2018-04-23 | 2018-12-21 | 广州雅瑞电子有限公司 | A kind of loudspeaker public address efficacy test device |
| CN109474880A (en) * | 2018-12-28 | 2019-03-15 | 深圳市智立方自动化设备有限公司 | The sound proof box of loudspeaker acoustical testing |
Non-Patent Citations (1)
| Title |
|---|
| 王太晓: "微型扬声器功率测试仪的设计与实现", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111083583A (en) * | 2019-12-18 | 2020-04-28 | 公安部第三研究所 | Be applied to testing arrangement at desktop gooseneck microphone formula terminal of talkbacking |
| CN111083583B (en) * | 2019-12-18 | 2021-08-03 | 公安部第三研究所 | Be applied to testing arrangement at desktop gooseneck microphone formula terminal of talkbacking |
| CN111263287A (en) * | 2020-02-28 | 2020-06-09 | 广州市天历德电子科技有限公司 | Testing arrangement of test sound performance |
| CN113301489A (en) * | 2021-05-20 | 2021-08-24 | 江苏集结号机车科技有限公司 | Automatic testing system and method for vehicle-mounted loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110099349B (en) | 2021-11-09 |
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