CN216291443U - Loudspeaker test fixture - Google Patents
Loudspeaker test fixture Download PDFInfo
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- CN216291443U CN216291443U CN202121595709.2U CN202121595709U CN216291443U CN 216291443 U CN216291443 U CN 216291443U CN 202121595709 U CN202121595709 U CN 202121595709U CN 216291443 U CN216291443 U CN 216291443U
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- loudspeaker
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Abstract
The utility model discloses a loudspeaker test fixture, wherein a groove is arranged on one side of a base, a sound outlet is arranged at one end of the groove, a cover plate is connected with one side of the groove of the base to form an accommodating cavity, a probe penetrates through the cover plate and extends into the groove, so that the loudspeaker in the groove can be tested through the probe during a characteristic test, and the loudspeaker can be subjected to a listening test only by connecting the sound outlet with listening equipment during the listening test, thereby realizing the simultaneous matching of the listening test and the characteristic test through a set of fixture, avoiding the assembly and disassembly of the loudspeaker and the equipment during the test, and greatly improving the test efficiency of the loudspeaker.
Description
Technical Field
The utility model relates to the field of loudspeaker test fixtures, in particular to a loudspeaker test fixture.
Background
A loudspeaker is an electroacoustic transducer device that converts an electrical signal into an acoustic signal. The performance of the speaker has a great influence on the sound quality, so that the speaker needs to be subjected to a listening test and a characteristic test after the speaker is manufactured.
Currently, when a listening test and a characteristic test are performed on a loudspeaker, two kinds of test equipment are generally needed to respectively implement the listening test and the characteristic test of the loudspeaker. However, the assembling modes between different devices and the loudspeaker fixture are different, so that the loudspeaker and the test fixture need to be assembled and disassembled in the testing process, and the testing efficiency of the loudspeaker is low.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a loudspeaker test fixture improves the efficiency of software testing of loudspeaker.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a loudspeaker test fixture comprises a base, a cover plate and a probe;
one side of the base is provided with a groove;
one end of the groove is provided with a sound outlet;
the cover plate is connected with one side of the base, which is provided with the groove, and the cover plate and the groove form an accommodating cavity;
the probe penetrates through the cover plate and extends into the accommodating cavity.
Further, the device also comprises a baffle plate;
the one end of the groove is provided with a U-shaped cambered surface, and the sound outlet is arranged on the U-shaped cambered surface;
the baffle plate is provided with a through hole;
one side of the base where the U-shaped cambered surface is located is connected with the baffle, and the U-shaped cambered surface penetrates through the through hole.
Furthermore, the probe is arranged at one end of the cover plate far away from the sound outlet.
Furthermore, the elbow clip support block is also included;
the elbow clamp supporting block is arranged on one side, far away from the cover plate, of the base;
one end of the elbow clamping support block is connected with the baffle plate.
Furthermore, the baffle plate is provided with a stepped groove;
the bottom of the stepped groove is provided with the through hole;
one side of the base where the U-shaped cambered surface is arranged in the stepped groove.
Further, the elbow clip comprises a first elbow clip;
one end of the elbow clamping support block, which is far away from the baffle plate, is provided with a first elbow clamping hole;
the first elbow clip is fixed on the elbow clip supporting block through the first elbow clip hole.
Furthermore, the device also comprises a rotary fixed block;
the rotary fixing block is rotatably arranged in the groove, and a distance is reserved between the rotary fixing block and the U-shaped cambered surface of the base.
Further, the fabric also comprises foam;
the foam is arranged at the bottom of the groove and between the cover plate and the groove.
Further, a second elbow clip is further included;
one end of the base, which is close to the cover plate, is provided with a second toggle clamp hole;
the second elbow clip is fixed on the base through the second elbow clip hole.
Further, the outer edge of the groove is provided with a notch;
the cover plate is provided with a connecting part matched with the notch;
the connecting part is pivoted with the notch.
The utility model has the beneficial effects that: set up the recess through one side at the base, the one end of recess sets up the sound outlet, and the apron is connected and forms with one side that the base has the recess and hold the cavity, run through the probe again in the apron gos deep into the recess, make can test the speaker in the recess through the probe during feature test, and only need be connected sound outlet and listening equipment when listening the test and just can carry out listening test to the speaker, thereby realize matching listening test and feature test's equipment simultaneously through one set of tool, avoid the equipment of speaker and equipment in the test process and disassemble, the efficiency of software testing of speaker has been improved greatly.
Drawings
Fig. 1 is a schematic structural diagram of a loudspeaker test fixture according to an embodiment of the utility model;
fig. 2 is an exploded view of a speaker testing fixture according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a loudspeaker test fixture according to an embodiment of the utility model;
fig. 4 is another schematic structural diagram of a loudspeaker test fixture according to an embodiment of the utility model;
fig. 5 is a schematic view illustrating a foam assembly of the loudspeaker test fixture according to the embodiment of the utility model;
description of reference numerals:
1. a base; 2. a cover plate; 3. a groove; 4. a probe; 5. a sound outlet; 6. a baffle plate; 7. a through hole; 8. an elbow clip support block; 9. a stepped groove; 10. a first elbow clip; 11. a first toggle clamp aperture; 12. rotating the fixed block; 13. soaking cotton; 14. a second elbow clip; 15. a second toggle clamp aperture; 16. a notch; 17. a connecting portion.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, a testing fixture for a speaker includes a base, a cover plate and a probe;
one side of the base is provided with a groove;
one end of the groove is provided with a sound outlet;
the cover plate is connected with one side of the base, which is provided with the groove, and the cover plate and the groove form an accommodating cavity;
the probe penetrates through the cover plate and extends into the accommodating cavity.
From the above description, the beneficial effects of the present invention are: set up the recess through one side at the base, the one end of recess sets up the sound outlet, and the apron is connected and forms with one side that the base has the recess and hold the cavity, run through the probe again in the apron gos deep into the recess, make can test the speaker in the recess through the probe during feature test, and only need be connected sound outlet and listening equipment when listening the test and just can carry out listening test to the speaker, thereby realize matching listening test and feature test's equipment simultaneously through one set of tool, avoid the equipment of speaker and equipment in the test process and disassemble, the efficiency of software testing of speaker has been improved greatly.
Further, the device also comprises a baffle plate;
the one end of the groove is provided with a U-shaped cambered surface, and the sound outlet is arranged on the U-shaped cambered surface;
the baffle plate is provided with a through hole;
one side of the base where the U-shaped cambered surface is located is connected with the baffle, and the U-shaped cambered surface penetrates through the through hole.
According to the above description, the U-shaped cambered surface is arranged on the base, the sound outlet is arranged on the U-shaped cambered surface, and the U-shaped cambered surface penetrates through the through hole, so that the sound outlet is positioned on one side of the baffle, and other structures are positioned on the other side of the baffle, and therefore the noise interference in the listening test process is reduced.
Furthermore, the probe is arranged at one end of the cover plate far away from the sound outlet.
It can be known from the above description, through setting up the probe in the one end of keeping away from the sound outlet, avoid the probe to lead to the fact the influence to the sound production performance of speaker after going deep into the recess, keep away from the sound outlet setting with the probe simultaneously and also be favorable to carrying out characteristic test to the speaker to improve characteristic test's convenience when not influencing the sound production effect.
Furthermore, the elbow clip support block is also included;
the elbow clamp supporting block is arranged on one side, far away from the cover plate, of the base;
one end of the elbow clamping support block is connected with the baffle plate.
Can know by above-mentioned description, press from both sides a piece through pressing from both sides the elbow and set up the one side of keeping away from the support apron at the base, and the elbow presss from both sides the one end of a piece and is connected with the baffle to when testing, the elbow presss from both sides a piece and can play the supporting role to the baffle, reduces rocking of baffle, improves the test accuracy.
Furthermore, the baffle plate is provided with a stepped groove;
the bottom of the stepped groove is provided with the through hole;
one side of the base where the U-shaped cambered surface is arranged in the stepped groove.
Can know from the above-mentioned description, through set up cascaded recess in the baffle to with the apron setting in cascaded recess, press from both sides a piece with the elbow and set up the outside at cascaded recess, thereby make the distance between sound outlet and the baffle on the base reduce, promoted the performance of tool listening test.
Further, the elbow clip comprises a first elbow clip;
one end of the elbow clamping support block, which is far away from the baffle plate, is provided with a first elbow clamping hole;
the first elbow clip is fixed on the elbow clip supporting block through the first elbow clip hole.
It can be known from the above-mentioned description, press from both sides the one end of piece and keeping away from the baffle through pressing from both sides at the elbow and set up first elbow and press from both sides the hole to press from both sides when needs strengthen the elbow and press from both sides the stability between piece and the base, can press from both sides the piece at the elbow and set up the elbow and press from both sides the piece, press from both sides a piece with the elbow and closely fix with the base, reduce the vibration of base.
Furthermore, the device also comprises a rotary fixed block;
the rotary fixing block is rotatably arranged in the groove, and a distance is reserved between the rotary fixing block and the U-shaped cambered surface of the base.
It can be known from the above description that through set up rotatory fixed block in the recess, and the U-shaped cambered surface of rotatory fixed block and base has the interval to can set up the speaker that awaits measuring between the U-shaped cambered surface of rotatory fixed block and base at the test speaker, avoid the speaker to break away from the test area because of the vibration.
Further, the fabric also comprises foam;
the foam is arranged at the bottom of the groove and between the cover plate and the groove.
According to the description, the foam is arranged, so that the resonance effect between the jig and the loudspeaker is reduced, the resonance influence on the loudspeaker in the test process is reduced, and the accuracy of test data is improved.
Further, a second elbow clip is further included;
one end of the base, which is close to the cover plate, is provided with a second toggle clamp hole;
the second elbow clip is fixed on the base through the second elbow clip hole.
It can be known from the above-mentioned description, through be equipped with the second toggle clamp hole in the base is close to one side of apron to when needs strengthen the stability between apron and the base, can set up the toggle clamp on the base, closely fixed apron and base, reduce rocking between base and the apron.
Further, the outer edge of the groove is provided with a notch;
the cover plate is provided with a connecting part matched with the notch;
the connecting part is pivoted with the notch.
According to the above description, the groove is formed in the outer edge of the groove, the connecting portion matched with the groove is arranged on the cover plate, the cover plate is pivoted with the groove, and the loudspeaker can be placed in the groove or taken out of the groove conveniently.
Example one
Referring to fig. 1 and 2, a loudspeaker testing fixture includes a base 1, a cover plate 2, a baffle plate 6, an elbow clamp support block 8 and a probe 4;
one side of the base 1 is provided with a groove 3; one end of the groove 3 is provided with a sound outlet 5; the cover plate 2 is connected with one side of the base 1 with a groove 3, and the cover plate 2 and the groove 3 form an accommodating cavity; the probe 4 penetrates through the cover plate 2 and extends into the accommodating cavity; the probe 4 is arranged at one end of the cover plate 2 far away from the sound outlet 5;
the one end of the groove 3 is provided with a U-shaped cambered surface, and the sound outlet 5 is arranged on the U-shaped cambered surface; the baffle 6 is provided with a through hole 7; one side of the base 1 where the U-shaped cambered surface is located is connected with the baffle 6, and the U-shaped cambered surface penetrates through the through hole 7; the elbow clamp supporting block 8 is arranged on one side of the base 1 far away from the cover plate 2; one end of the elbow clamp supporting block 8 is connected with the baffle 6 and is used for supporting the base 1 during testing; the elbow clamp supporting block 8 is made of bakelite or acrylic material; the cover plate 2 is made of a peek (poly-ether-ether-ketone) material, and a leakage hole of 0.5mm is reserved on the cover plate 2; the leakage hole is far away from the sound outlet hole, so that the effect that the probe 4 is far away from the sound outlet 5 is achieved; the base 1 and the cover plate 2 are square plates, the size is 150mm x 150mm, and the tolerance is +/-0.05 mm-0.15 mm;
the U-shaped cambered surface of the base 1 protrudes along one end of the groove 3, and the interface of the protruding part and the groove 3 forms the sound outlet 5; the loudspeaker is arranged on one side of the U-shaped cambered surface close to the base 1, so that the distance between the loudspeaker and the sound outlet 5 is shorter, and sound production is facilitated; meanwhile, the baffle 6 is provided with a through hole 7; the protruding end of the U-shaped cambered surface of the base 3 penetrates through the through hole 7, so that the distance from the sound outlet 5 to the through hole 7 is further reduced; the volume of the accommodating cavity is far larger than that of the loudspeaker to be tested, so that the effect of a large cavity is realized;
the outer edge of the groove 3 is provided with a notch 16; the cover plate 2 is provided with a connecting part 17 matched with the notch 16; the connecting part 17 is pivoted with the notch 16;
specifically, the notch 16 is arranged on one side of the outer edge of the groove 3; one side of the cover plate 2 corresponding to the groove 3 is provided with the connecting part 17 matched with the groove 3 in size; the connecting portion 17 is hemispherical; the notch 16 is provided with a pin connection positioning hole, and the connecting part 17 is correspondingly provided with the same pin connection positioning hole; after the pin positioning hole of the notch 16 and the pin positioning hole of the connecting part 17 are at the same height, a pin penetrates through the pin positioning hole of the notch 16 and the pin positioning hole of the connecting part 17, so that the cover plate 2 rotates by taking the connecting part 17 as a rotating shaft, and the loudspeaker to be placed and taken is convenient;
the structure of the loudspeaker test fixture can be universal with most of test machine ports, and the universality of the loudspeaker test fixture is improved.
Example two
The present embodiment is different from the first embodiment in that the shape of the shadow mask 6 is defined;
referring to fig. 3, the baffle 9 is provided with a stepped groove 9; the through hole 7 is formed at the bottom of the stepped groove 9; one side of the base 1 where the U-shaped cambered surface is located is arranged in the stepped groove 9;
the elbow clamp supporting block 8 is arranged on one side far away from the through hole 7; the height of the stepped groove 9 is in an annular descending step from one side of the baffle 6 close to the elbow clamp jig to the side opposite to the one side; the through hole 7 is formed in the bottom of the stepped groove 9; therefore, the U-shaped cambered surface of the base 1 and the elbow clamp supporting block 8 are respectively arranged on different steps to form a clear laminated structure, and the interference of resonance between the structures is reduced; meanwhile, the distance from the sound outlet 5 to the through hole 7 is further reduced, so that a loudspeaker to be tested is closer to a microphone, and the accuracy of listening tests is improved.
EXAMPLE III
The difference between the present embodiment and the first or second embodiment is that how to fix the loudspeaker test fixture is specifically defined;
referring to fig. 4, the first elbow clip 10, the rotary fixing block 12 and the second elbow clip 14 are further included;
a first toggle clamp hole 11 is formed in one end, far away from the baffle 6, of the toggle clamp support block 8; the first toggle clamp 10 is fixed on the toggle clamp support block 8 through the first toggle clamp hole 11; in an alternative embodiment, the first elbow clamps 10 are provided in multiple groups, and are respectively arranged on one end of the elbow clamp support block 8 far away from the baffle 6; the supporting effect of the elbow clamp supporting block 8 on the base 1 is enhanced, and meanwhile, the rapid fixing effect is achieved;
a second toggle clamp hole 15 is formed in one end, close to the cover plate 2, of the base 1; the second toggle clamp 14 is fixed on the base 2 through the second toggle clamp hole 15;
the rotary fixed block 12 is rotatably arranged in the groove 3, and a gap is formed between the rotary fixed block 12 and the U-shaped cambered surface of the base 1; after the loudspeaker to be tested is arranged in the accommodating cavity, the loudspeaker to be tested is limited between the U-shaped cambered surface of the base 1 and the rotary fixing block 12 by rotating the rotary fixing block 12, so that the loudspeaker is prevented from falling off a test area due to vibration in the test process;
the whole test fixture structure is quickly fixed through the first elbow clamp 10 and the second elbow clamp 14; the loudspeaker to be tested is fixed through the rotary fixing block 12, and the overall stability of the testing jig is improved;
referring to fig. 5, in an alternative embodiment, the resonance between the speaker to be tested and the structure may be reduced by providing a foam 13;
the foam 13 is arranged at the bottom of the groove 3 and between the cover plate 2 and the groove 3; after the loudspeaker to be tested is arranged in the accommodating cavity, foam 13 is arranged on one side, close to the cover plate 2, of the loudspeaker to be tested again; meanwhile, the compression ratio of the foam 13 by the loudspeaker is 45% -50%.
In summary, the loudspeaker testing jig provided by the utility model has the advantages that the groove is arranged on one side of the base, the sound outlet is arranged at one end of the groove, the cover plate is connected with one side of the base with the groove to form an accommodating cavity, and the probe penetrates through the cover plate and goes deep into the groove, so that the loudspeaker in the groove can be tested through the probe during characteristic test, when in listening test, the listening test can be carried out on the loudspeaker only by connecting the sound outlet with the listening equipment, and meanwhile, the device is also provided with a first elbow clamp, a rotary fixed block, a second elbow clamp and other fixed structures, thereby realize matching the equipment of listening test and characteristic test simultaneously through one set of tool, avoid the equipment and the disassembling of speaker and equipment in the test procedure, improved the efficiency of software testing of speaker greatly to make the speaker more stable at the test document in-process, and convenient fixed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A loudspeaker test fixture is characterized by comprising a base, a cover plate and a probe;
one side of the base is provided with a groove;
one end of the groove is provided with a sound outlet;
the cover plate is connected with one side of the base, which is provided with the groove, and the cover plate and the groove form an accommodating cavity;
the probe penetrates through the cover plate and extends into the accommodating cavity.
2. The loudspeaker test fixture of claim 1, further comprising a baffle;
the one end of the groove is provided with a U-shaped cambered surface, and the sound outlet is arranged on the U-shaped cambered surface;
the baffle plate is provided with a through hole;
one side of the base where the U-shaped cambered surface is located is connected with the baffle, and the U-shaped cambered surface penetrates through the through hole.
3. The testing fixture of claim 1 or 2, wherein the probe is disposed on an end of the cover plate away from the sound outlet.
4. The testing fixture of claim 2, further comprising an elbow clamp support block;
the elbow clamp supporting block is arranged on one side, far away from the cover plate, of the base;
one end of the elbow clamping support block is connected with the baffle plate.
5. The testing fixture of claim 4, wherein the baffle has a stepped recess;
the bottom of the stepped groove is provided with the through hole;
one side of the base where the U-shaped cambered surface is arranged in the stepped groove.
6. The testing fixture of claim 4, further comprising a first elbow clip;
one end of the elbow clamping support block, which is far away from the baffle plate, is provided with a first elbow clamping hole;
the first elbow clip is fixed on the elbow clip supporting block through the first elbow clip hole.
7. The loudspeaker test fixture according to claim 2, further comprising a rotary fixing block;
the rotary fixing block is rotatably arranged in the groove, and a distance is reserved between the rotary fixing block and the U-shaped cambered surface of the base.
8. The loudspeaker test fixture according to claim 1, further comprising foam;
the foam is arranged at the bottom of the groove and between the cover plate and the groove.
9. The testing fixture of claim 1, further comprising a second elbow clip;
one end of the base, which is close to the cover plate, is provided with a second toggle clamp hole;
the second elbow clip is fixed on the base through the second elbow clip hole.
10. The testing fixture for the loudspeaker according to claim 1, wherein the outer edge of the groove is provided with a notch;
the cover plate is provided with a connecting part matched with the notch;
the connecting part is pivoted with the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121595709.2U CN216291443U (en) | 2021-07-13 | 2021-07-13 | Loudspeaker test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121595709.2U CN216291443U (en) | 2021-07-13 | 2021-07-13 | Loudspeaker test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216291443U true CN216291443U (en) | 2022-04-12 |
Family
ID=81059339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121595709.2U Active CN216291443U (en) | 2021-07-13 | 2021-07-13 | Loudspeaker test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216291443U (en) |
-
2021
- 2021-07-13 CN CN202121595709.2U patent/CN216291443U/en active Active
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