CN111601225A - Bluetooth headset acoustics testing arrangement - Google Patents

Bluetooth headset acoustics testing arrangement Download PDF

Info

Publication number
CN111601225A
CN111601225A CN202010391382.0A CN202010391382A CN111601225A CN 111601225 A CN111601225 A CN 111601225A CN 202010391382 A CN202010391382 A CN 202010391382A CN 111601225 A CN111601225 A CN 111601225A
Authority
CN
China
Prior art keywords
wall
bluetooth headset
electric
slide rail
headset
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.)
Granted
Application number
CN202010391382.0A
Other languages
Chinese (zh)
Other versions
CN111601225B (en
Inventor
郭霈
官文武
刘建伟
刘德华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Luxshare Intelligent Manufacture Co Ltd
Original Assignee
Jiangxi Luxshare Intelligent Manufacture Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Luxshare Intelligent Manufacture Co Ltd filed Critical Jiangxi Luxshare Intelligent Manufacture Co Ltd
Priority to CN202010391382.0A priority Critical patent/CN111601225B/en
Publication of CN111601225A publication Critical patent/CN111601225A/en
Application granted granted Critical
Publication of CN111601225B publication Critical patent/CN111601225B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/08Shock-testing

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The invention belongs to the technical field of Bluetooth earphones, and particularly relates to a Bluetooth earphone acoustic testing device. According to the Bluetooth headset, the electric telescopic rod, the third electric slide rail, the connecting rod, the electric clamping jaw and the fixing rod are arranged, the Bluetooth headset is fixed by the electric clamping jaw, the fixing rod is of an arc-shaped structure and is more fit with the shape of the Bluetooth headset, the Bluetooth headset can be fixed more stably, the Bluetooth headset can be dropped from a high place by opening the electric clamping jaw, a drop test can be carried out on the Bluetooth headset, and the quality of the Bluetooth headset is ensured.

Description

Bluetooth headset acoustics testing arrangement
Technical Field
The invention relates to the technical field of Bluetooth earphones, in particular to an acoustic testing device for a Bluetooth earphone.
Background
The Bluetooth headset is a small device based on Bluetooth technology, and free communication can be realized only by hiding the light device beside the headset without directly using communication equipment (mobile phones, computers and the like).
Through retrieval, chinese patent with grant number CN208924512U discloses a bluetooth headset acoustics testing arrangement, including the base, base one side is provided with the bluetooth headset support.
The above patent also has the following disadvantages: when examining bluetooth headset, not only need carry out the acoustics test to bluetooth headset, still need drop test to it, above-mentioned device does not drop test to it, may lead to the earphone to break easily, and the quality is lower, has reduced the practicality of device.
Disclosure of Invention
The invention provides an acoustic testing device for a Bluetooth headset, which is based on the technical problem that the headset is likely to be broken due to the fact that a drop test is not carried out on the Bluetooth headset.
The invention provides a Bluetooth headset acoustic testing device which comprises a testing base, wherein second electric slide rails are arranged on two sides of the outer wall of the top of the testing base, a second sliding block is connected to the inner wall of each second electric slide rail in a sliding mode, an electric telescopic rod is arranged on the outer wall of the top of each second sliding block, a transverse plate is arranged on the outer wall of the top of the electric telescopic rod, a third electric slide rail is arranged on the outer wall of the bottom of the transverse plate, a third sliding block is connected to the inner wall of the third electric slide rail in a sliding mode, a connecting rod is arranged on the outer wall of the bottom of the third sliding block, an electric clamping jaw is arranged on the outer wall of the bottom of the connecting rod, fixing rods are.
Preferably, the top outer wall of test base is provided with first electronic slide rail, and the inner wall sliding connection of first electronic slide rail has the second slider.
Preferably, the top outer wall of test base is provided with the fixed block, and the top outer wall of fixed block and the top outer wall of second slider all are provided with the bracing piece, and the top outer wall of bracing piece all is provided with the earphone joint board, and the earphone joint board is half circular ring structure.
Preferably, the inner wall of the earphone clamping plate is provided with springs distributed at equal intervals, and the other end of each spring is provided with the same extrusion plate.
Preferably, the extrusion plate is of a semicircular annular structure, and a protective layer is bonded to the inner wall of the extrusion plate.
Preferably, the outer wall of the top of the test base is provided with a detector, the outer wall of one side of the earphone clamping plate is provided with an earphone, and the signal output end of the earphone is connected with the detector through a signal line.
Preferably, the earphone also comprises a sound blocking plate arranged on the outer wall of one side of the supporting rod, the sound blocking plate is of an arc-shaped structure, and the sound blocking plate is positioned on the outer wall of one side of the earphone.
The beneficial effects of the invention are as follows:
1. this testing arrangement convenient to detect, through being provided with electric telescopic handle, the electronic slide rail of third, the connecting rod, electronic clamping jaw and dead lever, according to bluetooth headset's position control electric telescopic handle and the electronic slide rail of third, utilize electronic clamping jaw to fix bluetooth headset, the dead lever is convex structure, bluetooth headset's shape of laminating more, can be more stable with bluetooth headset is fixed, open electronic clamping jaw and can fall bluetooth headset from the eminence, can fall the test to it, bluetooth headset's quality has been ensured.
2. This testing arrangement convenient to detect through being provided with fixed block, first electronic slide rail, bracing piece and earphone joint board, when carrying out the acoustics test to bluetooth headset, can adjust first electronic slide rail according to bluetooth headset's specification, can fix the bluetooth headset of different specifications, in addition through being provided with bluetooth headset's next door, the accurate of being convenient for carries out the acoustics test to bluetooth headset.
3. This testing arrangement convenient to detect through being provided with spring and stripper plate, the stripper plate is circle ring mechanism to the top outer wall of stripper plate is seted up slottedly, laminating bluetooth headset's structure more, and the spring has certain elastic action, but elastic fixes the inside bluetooth headset of certain limit, has improved the practicality of device.
4. This testing arrangement convenient to detect through being provided with and hindering the soundboard, hinders the soundboard and can simulate out the comparatively confined space that produces when the earphone wears on the ear, and the sound to the earphone that is convenient for more accurate carries out the acoustics and detects, the effectual degree of accuracy that has improved the detection.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
Fig. 1 is a schematic overall structure diagram of a bluetooth headset acoustic testing apparatus according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an earphone clamping plate of a bluetooth earphone acoustic testing apparatus according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a fixing rod of a bluetooth headset acoustic testing apparatus according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a spring of a bluetooth headset acoustic testing apparatus according to embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a sound blocking plate of a bluetooth headset acoustic testing apparatus according to embodiment 2 of the present invention.
In the figure: 1 test base, 2 detectors, 3 diaphragm, 4 electronic clamping jaws, 5 connecting rods, 6 bluetooth headset bodies, 7 first electric slide rail, 8 electric telescopic handle, 9 second electric slide rail, 10 fixed blocks, 11 bracing pieces, 12 earphone joint boards, 13 third electric slide rail, 14 dead levers, 15 headset, 16 stripper plates, 17 springs, 18 hinder the soundboard.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, 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 device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, a bluetooth headset acoustic testing device comprises a testing base 1, wherein two sides of the top outer wall of the testing base 1 are both fixed with a second electric slide rail 9 through screws, the inner wall of the second electric slide rail 9 is connected with a second slide block in a sliding manner, the top outer wall of the second slide block is fixed with an electric telescopic rod 8 through screws, the top outer wall of the electric telescopic rod 8 is fixed with a transverse plate 3 through screws, the bottom outer wall of the transverse plate 3 is fixed with a third electric slide rail 13 through screws, the inner wall of the third electric slide rail 13 is connected with a third slide block in a sliding manner, the bottom outer wall of the third slide block is welded with a connecting rod 5, the bottom outer wall of the connecting rod 5 is fixed with an electric clamping jaw 4 through screws, two sides of the bottom outer wall of the electric clamping jaw 4 are both fixed with fixing rods 14 through screws, the Bluetooth headset can be fixed more stably.
According to the invention, a first electric slide rail 7 is fixed on the outer wall of the top of a test base 1 through screws, a second slide block is connected on the inner wall of the first electric slide rail 7 in a sliding manner, a fixed block 10 is welded on the outer wall of the top of the test base 1, supporting rods 11 are fixed on the outer wall of the top of the fixed block 10 and the outer wall of the top of the second slide block through screws, earphone clamping plates 12 are fixed on the outer wall of the top of each supporting rod 11 through screws, and the earphone clamping plates 12 are of a semicircular structure.
According to the invention, the springs 17 which are distributed equidistantly are welded on the inner wall of the earphone clamping plate 12, the same extrusion plate 16 is fixed at the other end of each spring 17 through a screw, preferably, the spring 17 has a certain elastic effect, the extrusion plate 16 can elastically fix the Bluetooth earphones in a certain range, the extrusion plate 16 is of a semicircular structure, a protective layer is bonded on the inner wall of the extrusion plate 16, the extrusion plate 16 is of a circular mechanism, a groove is formed in the outer wall of the top of the extrusion plate 16, the Bluetooth earphones are more attached to the protective layer, the protective layer can be protected by a Bluetooth crisis to prevent the occurrence of a scratching phenomenon.
In the invention, the detector 2 is fixed on the outer wall of the top of the test base 1 through screws, the headset 15 is fixed on the outer wall of one side of the headset clamping plate 12 through screws, and the signal output end of the headset 15 is connected with the detector 2 through a signal wire.
The equipment is connected with a power supply, firstly, a first electric slide rail 7 is adjusted according to the specification of the Bluetooth headset, because a spring 17 has a certain elastic action, an extrusion plate 16 can elastically fix the Bluetooth headset in a certain range, the extrusion plate 16 is a circular ring-shaped mechanism, and the outer wall of the top of the extrusion plate 16 is provided with a groove, so that the Bluetooth headset is more in structure fit with the Bluetooth headset, firstly, a third electric slide rail 13 is adjusted according to the position of the Bluetooth headset to enable an electric clamping jaw 4 to be positioned right above the Bluetooth headset, an electric telescopic rod 8 is adjusted, the Bluetooth headset is fixed by utilizing the electric clamping jaw 4, a fixed rod 14 is of a circular arc-shaped structure and is more in shape fit with the Bluetooth headset, the Bluetooth headset can be fixed more stably, then, the third electric slide rail 13 is adjusted to enable the Bluetooth headset to be separated from the extrusion plate 16, a second electric slide rail 9 and the electric, it can be subjected to a drop test.
Example 2
Referring to fig. 5, a bluetooth headset acoustics testing arrangement, including test base 1, test base 1's top outer wall both sides all are fixed with second electronic slide rail 9 through the fix with screw, and the inner wall sliding connection of second electronic slide rail 9 has the second slider, the top outer wall of second slider has electric telescopic handle 8 through the fix with screw, and electric telescopic handle 8's top outer wall has diaphragm 3 through the fix with screw, diaphragm 3's bottom outer wall has third electronic slide rail 13 through the fix with screw, and the inner wall sliding connection of third electronic slide rail 13 has the third slider, the bottom outer wall welding of third slider has connecting rod 5, and connecting rod 5's bottom outer wall has electronic clamping jaw 4 through the fix with screw, electronic clamping jaw 4's bottom outer wall both sides all have dead lever 14 through the fix with screw, and dead lever 14 is convex structure.
According to the invention, a first electric slide rail 7 is fixed on the outer wall of the top of a test base 1 through screws, a second slide block is connected on the inner wall of the first electric slide rail 7 in a sliding manner, a fixed block 10 is welded on the outer wall of the top of the test base 1, supporting rods 11 are fixed on the outer wall of the top of the fixed block 10 and the outer wall of the top of the second slide block through screws, earphone clamping plates 12 are fixed on the outer wall of the top of each supporting rod 11 through screws, and the earphone clamping plates 12 are of a semicircular structure.
In the invention, the inner wall of the earphone clamping plate 12 is welded with springs 17 distributed at equal intervals, the other end of each spring 17 is fixed with the same extrusion plate 16 through a screw, each extrusion plate 16 is of a semicircular structure, and the inner wall of each extrusion plate 16 is bonded with a protective layer.
In the invention, the detector 2 is fixed on the outer wall of the top of the test base 1 through screws, the headset 15 is fixed on the outer wall of one side of the headset clamping plate 12 through screws, and the signal output end of the headset 15 is connected with the detector 2 through a signal wire.
This embodiment still includes through the fix with screw in the sound board 18 that hinders of bracing piece 11 one side outer wall in comparison with embodiment 1, hinders the sound board 18 and be the arc structure, and hinders the sound board 18 and be located one side outer wall of headset 15, hinders the sound board 18 and can simulate the comparatively confined space that produces when the earphone wears on the ear, is convenient for carry out acoustic detection to the sound of earphone more accurately.
The equipment is connected with a power supply, firstly, a first electric slide rail 7 is adjusted according to the specification of the Bluetooth headset, because a spring 17 has a certain elastic action, an extrusion plate 16 can elastically fix the Bluetooth headset in a certain range, the extrusion plate 16 is a circular ring-shaped mechanism, and the outer wall of the top of the extrusion plate 16 is provided with a groove, so that the Bluetooth headset is more in structure fit with the Bluetooth headset, firstly, a third electric slide rail 13 is adjusted according to the position of the Bluetooth headset to enable an electric clamping jaw 4 to be positioned right above the Bluetooth headset, an electric telescopic rod 8 is adjusted, the Bluetooth headset is fixed by utilizing the electric clamping jaw 4, a fixed rod 14 is of a circular arc-shaped structure and is more in shape fit with the Bluetooth headset, the Bluetooth headset can be fixed more stably, then, the third electric slide rail 13 is adjusted to enable the Bluetooth headset to be separated from the extrusion plate 16, a second electric slide rail 9 and the electric, can drop test it, hinder the soundboard 18 in addition and can simulate out the comparatively confined space that produces when the earphone wears on the ear, be convenient for more accurate sound to the earphone carries out the acoustics and detects, the effectual degree of accuracy that has improved the detection.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. An acoustic testing device of a Bluetooth headset comprises a testing base (1) and is characterized in that, two sides of the outer wall of the top of the test base (1) are respectively provided with a second electric slide rail (9), the inner wall of the second electric slide rail (9) is connected with a second slide block in a sliding way, the outer wall of the top part of the second slide block is provided with an electric telescopic rod (8), a transverse plate (3) is arranged on the outer wall of the top of the electric telescopic rod (8), a third electric slide rail (13) is arranged on the outer wall of the bottom of the transverse plate (3), and the inner wall of the third electric slide rail (13) is connected with a third slide block in a sliding way, the outer wall of the bottom of the third slide block is provided with a connecting rod (5), and the outer wall of the bottom of the connecting rod (5) is provided with an electric clamping jaw (4), fixing rods (14) are arranged on two sides of the outer wall of the bottom of the electric clamping jaw (4), and the fixing rods (14) are of arc-shaped structures.
2. The acoustic testing device for the Bluetooth headset as claimed in claim 1, wherein a first electric slide rail (7) is arranged on the outer wall of the top of the testing base (1), and a second slide block is slidably connected to the inner wall of the first electric slide rail (7).
3. The acoustic testing device for the Bluetooth earphones according to claim 2, wherein a fixed block (10) is arranged on the outer wall of the top of the testing base (1), supporting rods (11) are arranged on the outer wall of the top of the fixed block (10) and the outer wall of the top of the second sliding block, earphone clamping plates (12) are arranged on the outer wall of the top of the supporting rods (11), and the earphone clamping plates (12) are of semicircular structures.
4. The acoustic testing device for the Bluetooth headset as claimed in claim 3, wherein the inner wall of the headset clamping plate (12) is provided with springs (17) distributed at equal intervals, and the other end of the springs (17) is provided with the same extrusion plate (16).
5. The acoustic testing device for the Bluetooth headset as claimed in claim 4, wherein the extrusion plate (16) is of a semi-circular ring structure, and a protective layer is adhered to the inner wall of the extrusion plate (16).
6. The acoustic testing device for the Bluetooth headset as claimed in claim 3, wherein the detector (2) is arranged on the outer wall of the top of the testing base (1), the headset (15) is arranged on the outer wall of one side of the headset clamping plate (12), and the signal output end of the headset (15) is connected with the detector (2) through a signal line.
7. The acoustic testing device for the Bluetooth earphones as claimed in claim 6, further comprising a sound blocking plate (18) arranged on the outer wall of one side of the supporting rod (11), wherein the sound blocking plate (18) is of an arc-shaped structure, and the sound blocking plate (18) is arranged on the outer wall of one side of the earphone (15).
CN202010391382.0A 2020-05-11 2020-05-11 Bluetooth headset acoustics testing arrangement Active CN111601225B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010391382.0A CN111601225B (en) 2020-05-11 2020-05-11 Bluetooth headset acoustics testing arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010391382.0A CN111601225B (en) 2020-05-11 2020-05-11 Bluetooth headset acoustics testing arrangement

Publications (2)

Publication Number Publication Date
CN111601225A true CN111601225A (en) 2020-08-28
CN111601225B CN111601225B (en) 2021-09-03

Family

ID=72191169

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010391382.0A Active CN111601225B (en) 2020-05-11 2020-05-11 Bluetooth headset acoustics testing arrangement

Country Status (1)

Country Link
CN (1) CN111601225B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112165679A (en) * 2020-09-27 2021-01-01 惠州市克林声学有限公司 Earphone testing device and equipment
CN112468951A (en) * 2021-01-05 2021-03-09 南京三恩驰贸易有限公司 Bluetooth headset sound insulation effect high-end test machine
CN114007180A (en) * 2021-12-30 2022-02-01 深圳市国昌兴业五金制品有限公司 Earphone bandeau slip life-span test equipment
CN116567514A (en) * 2023-07-05 2023-08-08 深圳市三德大康电子有限公司 Bluetooth headset step-down effect check out test set

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101701938A (en) * 2009-11-23 2010-05-05 中国计量学院 Audio detection method of defect type of workpiece adopting vibrating-mode frequency combination
CN104717596A (en) * 2015-03-23 2015-06-17 惠州Tcl移动通信有限公司 Microphone audio testing system and method
US9271097B2 (en) * 2013-05-31 2016-02-23 Ronald Quan Method and apparatus to evaluate audio equipment via filter banks
CN207911019U (en) * 2018-03-16 2018-09-25 深圳市指南测控技术有限公司 A kind of bluetooth headset acoustical testing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101701938A (en) * 2009-11-23 2010-05-05 中国计量学院 Audio detection method of defect type of workpiece adopting vibrating-mode frequency combination
US9271097B2 (en) * 2013-05-31 2016-02-23 Ronald Quan Method and apparatus to evaluate audio equipment via filter banks
CN104717596A (en) * 2015-03-23 2015-06-17 惠州Tcl移动通信有限公司 Microphone audio testing system and method
CN207911019U (en) * 2018-03-16 2018-09-25 深圳市指南测控技术有限公司 A kind of bluetooth headset acoustical testing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112165679A (en) * 2020-09-27 2021-01-01 惠州市克林声学有限公司 Earphone testing device and equipment
CN112468951A (en) * 2021-01-05 2021-03-09 南京三恩驰贸易有限公司 Bluetooth headset sound insulation effect high-end test machine
CN114007180A (en) * 2021-12-30 2022-02-01 深圳市国昌兴业五金制品有限公司 Earphone bandeau slip life-span test equipment
CN114007180B (en) * 2021-12-30 2022-03-18 深圳市国昌兴业五金制品有限公司 Earphone bandeau slip life-span test equipment
CN116567514A (en) * 2023-07-05 2023-08-08 深圳市三德大康电子有限公司 Bluetooth headset step-down effect check out test set
CN116567514B (en) * 2023-07-05 2023-10-10 深圳市三德大康电子有限公司 Bluetooth headset step-down effect check out test set

Also Published As

Publication number Publication date
CN111601225B (en) 2021-09-03

Similar Documents

Publication Publication Date Title
CN111601225B (en) Bluetooth headset acoustics testing arrangement
AU2018344778B2 (en) A noise-reduction air tube microphone, noise-reduction anti-radiation headset and noise-reduction anti-radiation Bluetooth headset
CN101662719B (en) Isolation box for audio-frequency test
WO2018233251A1 (en) Wireless communication earphone test device and method
CN213094491U (en) Testing device for Bluetooth headset
CN110541733A (en) Rock burst disaster early warning device and method for high-ground stress tunnel
WO2017173310A1 (en) In-ear noise dosimeter
CN110891236A (en) Method and device for realizing production test of multi-microphone array
CN105580387B (en) Microphone with closed-cell foam main body
CN108471587B (en) Testing device and testing method for earphone single body
US20070133820A1 (en) Channel capacity improvement in wireless mobile communications by voice SNR advancements
CN106550298B (en) Bluetooth sound box
CN112702686B (en) Intelligent glasses testing frame
CN210075495U (en) Bluetooth sound box convenient to interim rigidity
CN209964257U (en) Hearing earphone convenient to accomodate
CN210431893U (en) Automatic detection system for earphone single body
CN215296465U (en) Voice broadcast temperature measurement gun convenient to grip
CN110062319B (en) Loudspeaker sound test platform
CN210075581U (en) Acoustic auxiliary test tool equipment
CN215935066U (en) Pick-up for keyword detection
CN211720743U (en) Can carry out for earphone electroacoustic test appearance of dustproof protection
CN219627899U (en) Audio test equipment
CN213990830U (en) Audio and video life detection instrument
CN215453278U (en) Earphone loudspeaker phase testing arrangement
CN218071805U (en) Speaker tone quality detection device that functionality is strong

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant