CN218103517U - Miniature speaker test fixture - Google Patents
Miniature speaker test fixture Download PDFInfo
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- CN218103517U CN218103517U CN202220490634.XU CN202220490634U CN218103517U CN 218103517 U CN218103517 U CN 218103517U CN 202220490634 U CN202220490634 U CN 202220490634U CN 218103517 U CN218103517 U CN 218103517U
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Abstract
The utility model discloses a miniature speaker test fixture, including the base, be equipped with bottom plate, first closing plate, second closing plate and the apron of range upon range of setting on the base, be equipped with the sound outlet that runs through on bottom plate and the apron respectively, be equipped with the location logical groove with sound outlet intercommunication on first closing plate and the second closing plate respectively, still be equipped with FPC and partial FPC between first closing plate and the second closing plate and stretch into the location logical groove. The utility model provides a miniature speaker test fixture can simulate the free work cavity of speaker that has two vibrating diaphragm structures, is convenient for get rid of the free trouble of this speaker and selects the defective products, has satisfied the free listening test demand of speaker that has two vibrating diaphragm structures to convenient operation, efficiency of software testing are high.
Description
Technical Field
The utility model relates to a test equipment technical field especially relates to a miniature speaker test fixture.
Background
The micro-speaker is an electroacoustic conversion device widely applied to electronic products such as smart phones, smart watches and tablet computers, and in order to improve the experience of consumers, the micro-speaker with a double-diaphragm structure appears on the market so as to improve the tone quality of the micro-speaker.
Because the relative both sides of the miniature speaker who has two vibrating diaphragm structures sound jointly, need follow the both sides of miniature speaker when carrying out performance test and listen sound respectively, current test equipment only can test from one side of miniature speaker, and the miniature speaker who has two vibrating diaphragm structures can disturb the opposite side when wherein one side sound production when moving, influences test equipment and gathers test data, consequently current test equipment can not satisfy the test demand of the miniature speaker who has two vibrating diaphragm structures.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the micro loudspeaker testing tool can meet the testing requirement of the micro loudspeaker with the double vibrating diaphragms.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a miniature speaker test fixture, includes the base, is equipped with bottom plate, first closing plate, second closing plate and the apron of range upon range of setting on the base, is equipped with the sound outlet that runs through on bottom plate and the apron respectively, is equipped with the location logical groove with the sound outlet intercommunication on first closing plate and the second closing plate respectively, still is equipped with FPC and partial FPC stretches into the location logical groove between first closing plate and the second closing plate.
Furthermore, a first sealing ring is arranged between the first sealing plate and the second sealing plate, and the first sealing ring surrounds the positioning through groove.
Furthermore, a second sealing ring is arranged between the bottom plate and the first sealing plate, and the second sealing ring surrounds the sound outlet on the bottom plate.
Furthermore, a third sealing ring is arranged between the cover plate and the second sealing plate, and the third sealing ring surrounds the sound outlet on the cover plate.
Further, the bottom plate the first closing plate the second closing plate reaches be equipped with the disappointing hole that is linked together on the apron respectively, be equipped with the bulge on the base, the bulge covers on the bottom plate disappointing hole is kept away from the opening of the one end of first closing plate.
Furthermore, the second sealing plate is close to one side of the first sealing plate and is provided with a first protruding positioning column, and the first sealing plate is provided with a first positioning hole matched with the first positioning column.
Furthermore, one surface of the second sealing plate, which is close to the first sealing plate, is provided with a containing groove for containing the FPC, and the containing groove is communicated with the positioning through groove.
Furthermore, a second protruding positioning column is arranged in the accommodating groove, and a second positioning hole matched with the second positioning column is formed in the FPC.
Furthermore, a magnetic attraction piece is arranged between the first sealing plate and the second sealing plate and is used for respectively adsorbing the first sealing plate and the second sealing plate.
Furthermore, an elbow clamp is further arranged on the base, and the elbow clamp abuts against the cover plate and drives the cover plate to move towards the direction close to the bottom plate.
The beneficial effects of the utility model reside in that: the utility model provides a miniature speaker test fixture adopts the bottom plate that stacks on the base, first closing plate, second closing plate and apron enclose into the free cavity that holds the speaker that awaits measuring, and be equipped with the sound outlet that supplies speaker monomer both sides to go out the sound on bottom plate and the apron respectively, and fix a position the speaker monomer through the logical groove of location on first closing plate and the second closing plate, in order to simulate the free operational environment of speaker on miniature speaker test fixture, make the free both sides homoenergetic of speaker normally produce sound on miniature speaker test fixture, avoid mutual interference, and be equipped with the FPC who switches on with the speaker monomer between first closing plate and the second closing plate, with the relevant data when gathering speaker monomer operation, be convenient for get rid of the free trouble of this speaker and select the defective products, the free speaker's that has the dual-diaphragm structure speaker test demand has been satisfied, and convenient operation, high test efficiency.
Drawings
Fig. 1 is a schematic structural view of a testing tool for a micro-speaker according to a first embodiment of the present invention;
fig. 2 is an exploded view of a testing tool for a micro-speaker according to a first embodiment of the present invention;
fig. 3 is a cross-sectional view of a testing tool for a micro-speaker according to a first embodiment of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is a schematic structural view of a base in a testing tool for a micro-speaker according to a first embodiment of the present invention;
fig. 6 is a schematic structural view of a first sealing plate in the testing tool for a micro-speaker according to the present invention;
fig. 7 is an exploded view of a part of the structure in the testing tool for micro-speakers according to the present invention;
fig. 8 is a cross-sectional view of another cross-section of the testing tool for the micro-speaker according to the first embodiment of the present invention;
fig. 9 is an enlarged view at B in fig. 8.
Description of reference numerals:
1. a base; 11. a first seal ring; 12. a second seal ring; 13. a third seal ring; 14. an elbow clip; 15. avoiding a position groove; 16. a projection; 2. a base plate; 21. a sound outlet; 22. an air release hole; 23. mounting holes; 3. a first sealing plate; 31. positioning the through groove; 32. a first positioning hole; 33. a via hole; 34. mounting grooves; 4. a second sealing plate; 41. a first positioning post; 42. a containing groove; 43. a second positioning column; 5. a cover plate; 6. FPC; 61. a second positioning hole; 7. a speaker unit.
Detailed Description
In order to explain the technical content, the objects and the 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 to 9, a micro speaker testing tool includes a base 1, a bottom plate 2, a first sealing plate 3, a second sealing plate 4 and a cover plate 5 are stacked on the base 1, the bottom plate 2 and the cover plate 5 are respectively provided with a sound outlet 21, the first sealing plate 3 and the second sealing plate 4 are respectively provided with a positioning through groove 31 communicated with the sound outlet 21, an FPC6 is further provided between the first sealing plate 3 and the second sealing plate 4, and a part of the FPC6 extends into the positioning through groove 31.
From the above description, the beneficial effects of the present invention are: the utility model provides a miniature speaker test fixture can simulate the work cavity of speaker monomer 7 that has the dual-diaphragm structure, is convenient for get rid of this speaker monomer 7's trouble and select the defective products, has satisfied the listening test demand of speaker monomer 7 who has the dual-diaphragm structure to convenient operation, efficiency of software testing are high.
Further, a first sealing ring 11 is arranged between the first sealing plate 3 and the second sealing plate 4, and the first sealing ring 11 is arranged around the positioning through groove 31.
As can be seen from the above description, the first sealing ring 11 is provided between the first sealing plates 3 and the second sealing plates 4 to seal the positions where the FPC6 contacts the first sealing plates 3 and the second sealing plates 4, thereby preventing the FPC6 from leaking air.
Further, a second sealing ring 12 is disposed between the bottom plate 2 and the first sealing plate 3, and the second sealing ring 12 is disposed around the sound outlet 21 on the bottom plate 2.
As can be seen from the above description, the second sealing ring 12 is used to fill the gap between the base plate 2 and the first sealing plate 3 to prevent air leakage at the sound outlet 21 on the base plate 2.
Further, a third sealing ring 13 is arranged between the cover plate 5 and the second sealing plate 4, and the third sealing ring 13 is arranged around the sound outlet 21 on the cover plate 5.
As can be seen from the above description, the third sealing ring 13 is disposed between the cover plate 5 and the second sealing plate 4 to keep the edge of the sound outlet 21 on the cover plate 5 closed to prevent air leakage.
Further, the bottom plate 2, first closing plate 3 the second closing plate 4 reaches be equipped with the disappointing hole 22 that is linked together on the apron 5 respectively, be equipped with the bulge 16 on the base 1, the bulge 16 covers on the bottom plate 2 the opening of the one end of first closing plate 3 is kept away from to disappointing hole 22.
As can be seen from the above description, the air release hole 22 formed in the micro-speaker testing tool sequentially penetrates through the bottom plate 2, the first sealing plate 3, the second sealing plate 4 and the cover plate 5, and the protruding portion 16 is formed on the base 1 to cover one end of the air release hole 22, so that one-side air release is realized, and the working state of the speaker unit 7 on the micro-speaker testing tool is ensured to be consistent with the actual situation.
Furthermore, a protruding first positioning column 41 is disposed on one surface of the second sealing plate 4 close to the first sealing plate 3, and a first positioning hole 32 matched with the first positioning column 41 is disposed on the first sealing plate 3.
As can be seen from the above description, the second sealing plate 4 and the first sealing plate 3 are positioned by the cooperation of the first positioning column 41 and the first positioning hole 32, so as to ensure that the second sealing plate 4 is aligned with the first sealing plate 3.
Further, one surface of the second sealing plate 4 close to the first sealing plate 3 is provided with a containing groove 42 for containing the FPC6, and the containing groove 42 is communicated with the positioning through groove 31.
As can be seen from the above description, the FPC6 is accommodated in the accommodating groove 42 formed in the second sealing plate 4, so that the position of the FPC6 between the first sealing plate 3 and the second sealing plate 4 is kept stable, and the speaker unit 7 is stably conducted with the FPC6 after being placed in the micro-speaker testing fixture.
Further, a second positioning column 43 protruding from the accommodating groove 42 is disposed in the accommodating groove, and a second positioning hole 61 matched with the second positioning column 43 is disposed on the FPC 6.
As can be seen from the above description, the second positioning hole 61 on the FPC6 is matched with the second positioning column 43 disposed in the accommodating groove 42 to position the FPC6, so as to prevent the FPC6 from moving unexpectedly to cause poor contact between the FPC6 and the speaker unit 7.
Furthermore, a magnetic attraction piece is arranged between the first sealing plate 3 and the second sealing plate 4, and the magnetic attraction piece is used for respectively adsorbing the first sealing plate 3 and the second sealing plate 4.
It can be known from the above description that first closing plate 3 and second closing plate 4 constitute integratively through the adsorption of magnetism piece, can fix the relative position of first closing plate 3 and second closing plate 4 promptly, still be convenient for dismantle second closing plate 4 and take out speaker monomer 7 after the test is accomplished.
Furthermore, an elbow clip 14 is further arranged on the base 1, and the elbow clip 14 abuts against the cover plate 5 and drives the cover plate 5 to move towards the direction close to the bottom plate 2.
As can be seen from the above description, the toggle clamp 14 provided on the base 1 is used to press the cover plate 5 against the base 1, so as to prevent the cover plate 5, the first sealing plate 3, the second sealing plate 4 or the base plate 2 from moving during the test, and ensure the seamless fit between the cover plate 5, the first sealing plate 3, the second sealing plate 4 and the base plate 2.
Example one
Referring to fig. 1 to 9, a first embodiment of the present invention is: a micro loudspeaker test tool is used for listening test on the performance of a loudspeaker single body 7 with a double-diaphragm structure.
As shown in fig. 1 and 2, the micro speaker testing tool includes a base 1, a bottom plate 2, a first sealing plate 3, a second sealing plate 4 and a cover plate 5 are sequentially stacked from bottom to top on the base 1, wherein a sound outlet 21 exposed at one side of the bottom plate 2 and the cover plate 5 for emitting sound of a speaker unit 7 is respectively provided on the bottom plate 2 and the cover plate 5, a positioning through groove 31 for positioning the speaker unit 7 is respectively provided on the first sealing plate 3 and the second sealing plate 4, the positioning through groove 31 is communicated with the sound outlet 21, an FPC6 is further provided between the first sealing plate 3 and the second sealing plate 4, a part of the FPC6 extends into the positioning through groove 31, and the FPC6 is used for electrifying the speaker unit 7 placed into the positioning through groove 31 and communicating the speaker unit 7 with a detection instrument.
In detail, when the micro speaker testing tool is used for detecting the speaker unit 7, the base plate 2, the first sealing plate 3, the speaker unit 7 to be tested, the second sealing plate 4 and the cover plate 5 are sequentially placed on the base 1, the speaker unit 7 to be tested is placed in the positioning through groove 31 in the first sealing plate 3 and the second sealing plate 4, a cavity simulating the working environment of the speaker unit 7 with a double-diaphragm structure can be formed in a surrounding mode, at the moment, the FPC6 is in contact with and conducted on the speaker unit 7, relevant data in the operation process of the speaker unit 7 can be collected through a detecting instrument, faults of the speaker unit 7 can be eliminated according to a measured result, defective products can be screened out, the testing requirement of the speaker unit 7 with the double-diaphragm structure is met, and the micro speaker testing tool is convenient to operate and high in testing efficiency.
With reference to fig. 2 and 3, in order to maintain the sealed cavity enclosed by the micro-speaker testing tool, the micro-speaker testing tool further includes a first sealing ring 11, a second sealing ring 12, and a third sealing ring 13, where the first sealing ring 11 is located between the first sealing plate 3 and the second sealing plate 4 and is disposed around the positioning through groove 31, so as to seal a contact surface between the first sealing plate 3 and the second sealing plate 4, a contact position between the FPC6 and the first sealing plate 3, and a contact position between the FPC6 and the second sealing plate 4, the second sealing ring 12 is located between the bottom plate 2 and the first sealing plate 3, the second sealing ring 12 is disposed around the sound outlet 21 on the bottom plate 2, so as to prevent air leakage at the sound outlet 21 on the bottom plate 2, and the third sealing ring 13 is located between the cover plate 5 and the second sealing plate 4 and is disposed around the sound outlet 21 on the cover plate 5, so as to maintain the edge of the sound outlet 21 on the cover plate 5 sealed, and ensure that the speaker unit 7 can stably operate in the cavity enclosed by the bottom plate 2, the first sealing plate 3, the second sealing plate 4, and the second sealing plate 5.
As shown in fig. 4, 6 and 7, the bottom plate 2 and the cover plate 5 are respectively provided with a mounting hole 23, the first sealing plate 3 and the second sealing plate 4 are respectively provided with a via hole 33 aligned with the mounting hole 23, the via hole 33 allows a screw to pass through the first sealing plate 3 or the second sealing plate 4 to be matched with the mounting hole 23 on the bottom plate 2 or the cover plate 5, so as to fixedly connect the bottom plate 2 with the first sealing plate 3 and the cover plate 5 with the second sealing plate 4, so that the bottom plate 2 and the first sealing plate 3 are integrated, and the cover plate 5 and the second sealing plate 4 are integrated, which not only facilitates the assembly of the micro-speaker testing tool, but also ensures that the bottom plate 2, the first sealing plate 3, the second sealing plate 4 and the cover plate 5 are straight, thereby preventing the micro-speaker testing tool from generating a gap after being assembled to cause air leakage.
Referring to fig. 6 and 7, in order to facilitate the assembling of the micro speaker testing tool, the first sealing plate 3 is aligned with the second sealing plate 4, a protruding first positioning post 41 is disposed on a surface of the second sealing plate 4 close to the first sealing plate 3, a first positioning hole 32 matched with the first positioning post 41 is disposed on the first sealing plate 3, when the whole body formed by the bottom plate 2 and the first sealing plate 3, the speaker unit 7, and the whole body formed by the second sealing plate 4 and the cover plate 5 are assembled into a whole body in sequence, the first positioning post 41 is extended into the first positioning hole 32, so that the parts of the micro speaker testing tool can be aligned conveniently, and the speaker unit 7 is respectively matched with the positioning through grooves 31 on the first sealing plate 3 and the second sealing plate 4, so that the speaker unit 7 can be conveniently placed in the micro speaker testing tool.
As shown in fig. 5, 8 and 9, still be equipped with on the micro loudspeaker test fixture with bottom plate 2 first closing plate 3 the second closing plate 4 reaches the disappointing hole 22 of the cavity intercommunication that bottom plate 2 encloses, disappointing hole 22 runs through in proper order bottom plate 2 first closing plate 3 the second closing plate 4 reaches apron 5, just be equipped with bulge 16 on base 1, bulge 16 covers on bottom plate 2 disappointing hole 22 keeps away from the opening of the one end of first closing plate 3 to realize the unilateral is lost heart, ensure that speaker monomer 7 is in operating condition on the micro loudspeaker test fixture is unanimous with actual conditions, just on bottom plate 2 disappointing hole 22 keeps away from the one end of first closing plate 3 reaches on apron 5 disappointing hole 22 keeps away from the one end of second closing plate 4 covers the screen cloth respectively, in order to prevent debris such as dust in the environment from in the micro loudspeaker test fixture.
Referring to fig. 6 and 7, one surface of the second sealing plate 4 close to the first sealing plate 3 is provided with an accommodating groove 42 for accommodating the FPC6, the base 1 is provided with a clearance groove 15 for accommodating a portion of the FPC6 extending out of the cavity, the FPC6 is mounted in the accommodating groove 42, and the accommodating groove 42 is communicated with the positioning through groove 31, so that the position of the FPC6 between the first sealing plate 3 and the second sealing plate 4 is kept stable, and the speaker unit 7 is ensured to be stably conducted with the FPC6 after being placed in the micro-speaker testing tool.
In detail, a second positioning column 43 protruding from the inside of the accommodating groove 42 is provided, a second positioning hole 61 matched with the second positioning column 43 is provided on the FPC6, and the second positioning column 43 is matched with the second positioning hole 61 to position the FPC6 after the FPC6 is installed in the accommodating groove 42, so that the FPC6 is prevented from being undesirably moved to cause poor contact between the FPC6 and the speaker unit 7.
As shown in fig. 1 and 3, the base 1 is further provided with an elbow clip 14 for fixing the bottom plate 2, the first sealing plate 3, the second sealing plate 4 and the cover plate 5, the elbow clip 14 abuts against the cover plate 5 and drives the cover plate 5 to move towards the direction close to the bottom plate 2, so that the cover plate 5 is pressed on the base 1 to prevent the cover plate 5, the first sealing plate 3, the second sealing plate 4 or the bottom plate 2 from moving in the testing process, and the first sealing plate 3 and the second sealing plate 4 are respectively made of silica gel to ensure the seamless matching of the cover plate 5, the first sealing plate 3, the second sealing plate 4 and the bottom plate 2.
Example two
Referring to fig. 6 and 7, another technical solution proposed in the second embodiment of the present invention is based on the first embodiment, and the second embodiment is different from the first embodiment only in the structure of the first sealing plate 3 and the second sealing plate 4.
In this embodiment, the first sealing plate 3 with be equipped with magnetism between the second sealing plate 4 and inhale the piece, first sealing plate 3 reaches the one side that the second sealing plate 4 is close to each other is equipped with a plurality ofly at the interval respectively and is used for holding the mounting groove 34 of magnetism inhaling the piece, magnetism is inhaled the piece and is adsorbed respectively first sealing plate 3 reaches second sealing plate 4 is in order with first sealing plate 3 with the relative position of second sealing plate 4 is fixed, and the convenience detects the completion back simultaneously will first sealing plate 3 with the separation of second sealing plate 4 and take out the speaker monomer.
To sum up, the utility model provides a miniature speaker test fixture adopts and sets up bottom plate, first closing plate, second closing plate and apron on the base and enclose into the cavity that holds the speaker monomer, makes the both sides that the speaker monomer sounded can all be through setting up the sound outlet normal sound production on bottom plate and apron to simulate the single operational environment of speaker, and communicate the single and detecting instrument of speaker and carry out the listening test to the speaker monomer through FPC, can get rid of the single trouble of this speaker and select the defective products according to the data measured, satisfied the listening test demand of the single speaker of double-diaphragm structure; the miniature loudspeaker test fixture middle bottom plate is combined with the first sealing plate, the cover plate is combined with the second sealing plate, the miniature loudspeaker test fixture is convenient to operate and the parts are combined or disassembled, the loudspeaker monomer is convenient to put into the miniature loudspeaker test fixture or the loudspeaker monomer is convenient to take out, and therefore the test efficiency is improved.
The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a miniature speaker test fixture, includes the base, its characterized in that: the base is provided with a bottom plate, a first sealing plate, a second sealing plate and a cover plate which are arranged in a stacked mode, the bottom plate and the cover plate are respectively provided with a sound outlet which penetrates through the bottom plate and the cover plate, the first sealing plate and the second sealing plate are respectively provided with a positioning through groove communicated with the sound outlet, and an FPC (flexible printed circuit) and a part of FPC (flexible printed circuit) stretch into the positioning through groove are further arranged between the first sealing plate and the second sealing plate.
2. The micro-speaker test tool according to claim 1, wherein: a first sealing ring is arranged between the first sealing plate and the second sealing plate, and the first sealing ring surrounds the positioning through groove.
3. The micro-speaker test tool of claim 1, wherein: and a second sealing ring is arranged between the bottom plate and the first sealing plate and surrounds the sound outlet on the bottom plate.
4. The micro-speaker test tool according to claim 1, wherein: and a third sealing ring is arranged between the cover plate and the second sealing plate and surrounds the sound outlet on the cover plate.
5. The micro-speaker test tool of claim 1, wherein: the bottom plate first closing plate the second closing plate reaches be equipped with the disappointing hole that is linked together on the apron respectively, be equipped with the bulge on the base, the bulge covers on the bottom plate disappointing hole is kept away from the opening of the one end of first closing plate.
6. The micro-speaker test tool of claim 1, wherein: the second sealing plate is close to one side of the first sealing plate and provided with a first protruding positioning column, and the first sealing plate is provided with a first positioning hole matched with the first positioning column.
7. The micro-speaker test tool of claim 1, wherein: one side of the second sealing plate, which is close to the first sealing plate, is provided with a containing groove for containing the FPC, and the containing groove is communicated with the positioning through groove.
8. The micro-speaker test tool of claim 7, wherein: a second protruding positioning column is arranged in the accommodating groove, and a second positioning hole matched with the second positioning column is formed in the FPC.
9. The micro-speaker test tool of claim 1, wherein: the magnetic attraction piece is arranged between the first sealing plate and the second sealing plate and respectively adsorbs the first sealing plate and the second sealing plate.
10. The micro-speaker test tool of claim 1, wherein: the base is further provided with an elbow clamp, and the elbow clamp abuts against the cover plate and drives the cover plate to move towards the direction close to the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220490634.XU CN218103517U (en) | 2022-03-04 | 2022-03-04 | Miniature speaker test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220490634.XU CN218103517U (en) | 2022-03-04 | 2022-03-04 | Miniature speaker test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218103517U true CN218103517U (en) | 2022-12-20 |
Family
ID=84443767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220490634.XU Active CN218103517U (en) | 2022-03-04 | 2022-03-04 | Miniature speaker test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218103517U (en) |
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2022
- 2022-03-04 CN CN202220490634.XU patent/CN218103517U/en active Active
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