CN217825372U

CN217825372U - Miniature speaker test fixture

Info

Publication number: CN217825372U
Application number: CN202221176634.9U
Authority: CN
Inventors: 吴国侦; 周威龙; 郑君秀
Original assignee: Weishi Technology Co ltd
Current assignee: Weishi Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-15
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a micro loudspeaker test tool, which comprises a baffle plate and a mounting seat which is detachably mounted on one side of the baffle plate, wherein a through test channel is arranged on the baffle plate, and the test channel is communicated with the other side of the baffle plate to form a plurality of test holes; the mounting seat comprises a base and a clamping arm which are movably connected, the base and the clamping arm surround to form a mounting cavity, and a sound outlet corresponding to the test channel is formed in the side wall of the mounting cavity; the clamp arm is provided with a probe corresponding to the installation cavity. This miniature speaker test fixture simple structure, the commonality is strong. Arrange the miniature speaker module in the installation cavity, make the mount pad install in baffle one side, can install in intelligent terminal through the operational environment of ID hole sound production through holding chamber and test hole simulation miniature speaker module, send the work signal of telecommunication to miniature speaker module through the probe this moment, then utilize test equipment to collect audio signal outside the test hole, can judge whether the audio performance of this miniature speaker module meets the requirements.

Description

Miniature speaker test fixture

Technical Field

The utility model relates to a miniature speaker testing arrangement technical field especially relates to a miniature speaker test fixture.

Background

With the continuous update of mainstream intelligent electronic equipment, the requirements on the tone quality of the micro-speaker used in mobile phones, notebook computers and the like in the market are higher and higher, and the audio performance of the micro-speaker is increasingly important besides meeting the basic pure tone audition. The audio performance that novel miniature speaker module carries out the sound production through the ID hole in certain die cavity needs to be tested before putting into service to reference when installing in terminal shells such as cell-phone as last miniature speaker module and using. Therefore, it is necessary to develop a testing tool capable of simulating the micro speaker module to be installed in a shaped cavity to sound through an ID hole.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a can simulate intelligent terminal casing's miniature speaker test fixture.

In order to solve the technical problem, the utility model discloses a technical scheme be: a micro loudspeaker test tool comprises a baffle and a mounting seat which is detachably mounted on one side of the baffle, wherein a through test channel is arranged on the baffle, and the test channel is communicated with the other side of the baffle to form a plurality of test holes; the mounting seat comprises a base and a clamping arm which are movably connected, the base and the clamping arm surround to form a mounting cavity, and a sound outlet corresponding to the test channel is formed in the side wall of the mounting cavity; the corresponding installation cavity on the clamping arm is provided with a probe.

The test device further comprises a support block, wherein one side of the baffle plate is provided with a positioning groove, the test channel is communicated with the bottom surface of the positioning groove, the support block is fixedly connected to one side surface of the baffle plate, which is provided with the positioning groove, and the top surface of the support block is flush with one side surface of the positioning groove; the mounting seat is arranged on the supporting block and extends into the positioning groove.

Furthermore, a rapid clamp is fixedly arranged on the supporting block and used for compressing the mounting seat far away from one side face of the sound outlet so that the sound outlet is close to the test channel.

Further, still include outer silica gel pad, outer silica gel pad can dismantle connect in the baffle is kept away from one side of mount pad, be equipped with a plurality of on the outer silica gel pad test hole, it is a plurality of test hole intercommunication the test passageway, and it is a plurality of the test hole array sets up.

Furthermore, one side of the baffle, which is far away from the mounting seat, is also provided with a containing groove for containing at least partial area of the outer silica gel pad, and the test channel is communicated with the bottom surface of the containing groove.

Further, still be equipped with first dust screen on the outer silica gel pad, first dust screen shields the test hole.

Furthermore, the baffle is close to one side of mount pad has set firmly interior silica gel pad, interior silica gel pad is gone up to correspond test channel is equipped with the opening, interior silica gel pad still is equipped with on the cushion and is used for shielding open-ended second dust screen.

Furthermore, a boss is arranged on one side, away from the base, of the clamping arm, a through hole is formed in the boss, and the probe penetrates through the through hole and stretches into the installation cavity.

Furthermore, the clamping arm is provided with an air leakage hole communicated with the mounting cavity and the outside.

Furthermore, arm lock one end rotate connect in on the base, just the arm lock other end is close to the one side of base is equipped with first magnetism and inhales the piece, correspond on the base first magnetism is inhaled the piece and is equipped with the second magnetism and inhales the piece.

The beneficial effects of the utility model reside in that: this miniature speaker test fixture simple structure, the commonality is strong. Arrange the miniature speaker module in the installation cavity, make the mount pad install in baffle one side, can install in intelligent terminal through the operational environment of ID hole sound production through holding chamber and test hole simulation miniature speaker module, send the work signal of telecommunication to miniature speaker module through the probe this moment, then utilize test equipment to collect audio signal outside the test hole, can judge whether the audio performance of this miniature speaker module meets the requirements.

Drawings

Fig. 1 is a schematic view of an overall structure of a testing tool for a micro-speaker according to a first embodiment of the present invention;

fig. 2 is a schematic view of an overall structure 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 detail view of portion A of FIG. 3;

fig. 5 is a schematic structural view of a baffle and a support block in a testing tool for a micro-speaker according to a first embodiment of the present invention;

FIG. 6 is an enlarged detail view of portion B of FIG. 5;

fig. 7 is a schematic structural diagram of an outer silica gel pad in a testing tool for a micro-speaker according to a first embodiment of the present invention;

fig. 8 is a schematic structural diagram of an outer silica gel pad in the micro-speaker testing tool according to the first embodiment of the present invention;

fig. 9 is a first schematic structural diagram of a mounting seat in a testing tool for a micro-speaker according to a first embodiment of the present invention;

fig. 10 is a schematic structural diagram of a mounting seat in a testing tool for a micro-speaker according to a first embodiment of the present invention.

Description of reference numerals:

1. a baffle plate; 11. a test channel; 12. positioning a groove; 13. accommodating grooves;

2. a mounting seat; 21. a base; 22. clamping arms; 221. a boss; 222. an air release hole; 23. a sound outlet;

3. a probe;

4. supporting a block;

5. a rapid clamp;

6. an outer silica gel pad; 61. a test well; 62. a first dust screen;

7. an inner silica gel pad; 71. a second dust screen;

81. a first magnetic attraction member; 82. a second magnetic attachment.

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 10, a micro-speaker testing tool includes a baffle 1 and a mounting base 2 detachably mounted on one side of the baffle 1, a through testing channel 11 is provided on the baffle 1, the testing channel 11 is communicated with the other side of the baffle 1 to form a plurality of testing holes 61; the mounting seat 2 comprises a base 21 and a clamping arm 22 which are movably connected, the base 21 and the clamping arm 22 surround to form a mounting cavity, and a sound outlet 23 corresponding to the test channel 11 is arranged on the side wall of the mounting cavity; the clamping arm 22 is provided with a probe 3 corresponding to the mounting cavity.

From the above description, the beneficial effects of the present invention are: this miniature speaker test fixture simple structure, the commonality is strong. Arrange the miniature speaker module in the installation cavity, make mount pad 2 install in baffle 1 one side, can install the operational environment through ID hole vocal in intelligent terminal through holding chamber and test hole 61 simulation miniature speaker module, send the work signal of telecommunication to miniature speaker module through probe 3 this moment, then utilize test equipment to collect audio signal outside test hole 61, can judge whether the audio performance of this miniature speaker module meets the requirements.

Furthermore, the test board further comprises a support block 4, one side of the baffle board 1 is provided with a positioning groove 12, the test channel 11 is communicated with the bottom surface of the positioning groove 12, the support block 4 is fixedly connected to one side surface of the baffle board 1 provided with the positioning groove 12, and the top surface of the support block 4 is flush with one side surface of the positioning groove 12; the mounting seat 2 is arranged on the supporting block 4 and extends into the positioning groove 12.

As can be seen from the above description, the positioning slot 12 helps the worker to limit the position of the mounting seat 2, and the support block 4 can be used to carry the mounting seat 2 so that the mounting seat 2 stably rests on one side of the baffle 1.

Furthermore, a rapid clamp 5 is further fixedly arranged on the supporting block 4, and the rapid clamp 5 is used for compressing a side surface of the mounting base 2 far away from the sound outlet 23 so that the sound outlet 23 is close to the test channel 11.

As can be seen from the above description, the rapid clamp 5 can be used for clamping the mounting base 2, so that the sound outlet 23 of the mounting base 2 is always close to the test channel 11, the work intensity of workers is favorably reduced, and the accuracy of the test result is improved.

Further, still include outer silica gel pad 6, outer silica gel pad 6 can dismantle connect in baffle 1 keeps away from one side of mount pad 2, be equipped with a plurality ofly on the outer silica gel pad 6 test hole 61, it is a plurality of test hole 61 communicates test channel 11, and a plurality of test hole 61 array sets up.

From the above description, the worker may replace the outer silicone pad 6 having the test holes 61 of different model sizes, so as to simulate the ID holes of different intelligent terminal housings.

Furthermore, one side of the baffle plate 1, which is far away from the mounting base 2, is further provided with a containing groove 13 for containing at least a partial region of the outer silica gel pad 6, and the testing channel 11 is communicated with the bottom surface of the containing groove 13.

From the above description, the accommodating groove 13 can play a certain positioning role in the process of installing the outer silica gel pad 6, and simultaneously, the height of the outer silica gel pad 6 protruding out of the surface of the baffle 1 can be reduced, so that the risk that the outer silica gel pad 6 is damaged or even falls off due to the fact that the side surface of the outer silica gel pad is collided by external force is reduced.

Further, still be equipped with first dust screen 62 on the outer silica gel pad 6, first dust screen 62 shields test hole 61.

Further, one side of the baffle 1 close to the mounting base 2 is fixedly provided with an inner silica gel pad 7, an opening is formed in the inner silica gel pad 7 corresponding to the test channel 11, and a second dust screen 71 used for shielding the opening is further arranged on the inner silica gel pad 7.

As can be seen from the above description, the first dust-proof net 62 and the second dust-proof net 71 can prevent dust, foreign matters, etc. from entering the test channel 11, and avoid adverse effects on the test result.

Furthermore, one side of the clamping arm 22, which is far away from the base 21, is provided with a boss 221, a through hole is formed in the boss 221, and the probe 3 penetrates through the through hole and extends into the installation cavity.

As can be seen from the above description, the provision of the projection 221 can increase the length of the probe 3 inserted into the clamping arm 22, thereby reducing the angular deviation of the probe 3 caused by the external force.

Further, the clamping arm 22 is provided with an air release hole 222 for communicating the installation cavity with the outside.

As can be known from the above description, when the miniature speaker module produces sound in the installation cavity, the vibration of the diaphragm causes air flow, and the air flow in the installation cavity can be smooth by arranging the air release hole 222, so that the miniature speaker module can produce sound normally.

Furthermore, one end of the clamping arm 22 is rotatably connected to the base 21, the other end of the clamping arm 22 is close to one side of the base 21 and provided with a first magnetic attraction piece 81, and the base 21 is provided with a second magnetic attraction piece 82 corresponding to the first magnetic attraction piece 81.

As can be seen from the above description, the first magnetic attraction element 81 and the second magnetic attraction element 82 attract each other, so that the clipping arm 22 can be tightly attached to the base 21 to keep the position of the micro-speaker module in the mounting cavity stable.

Example one

Referring to fig. 1 to 10, a first embodiment of the present invention is: the utility model provides a miniature speaker test fixture, can help the miniature speaker module of test to install in a design intracavity and carry out the audio frequency effect of sound production through the ID hole.

The micro loudspeaker test tool comprises a baffle plate 1 and a mounting seat 2 which is detachably mounted on one side of the baffle plate 1, wherein a through test channel 11 is arranged on the baffle plate 1, and the test channel 11 is communicated with the other side of the baffle plate 1 to form a plurality of test holes 61; the mounting seat 2 comprises a base 21 and a clamping arm 22 which are movably connected, the base 21 and the clamping arm 22 surround to form a mounting cavity, and a sound outlet 23 corresponding to the test channel 11 is arranged on the side wall of the mounting cavity; the clamping arm 22 is provided with a probe 3 corresponding to the mounting cavity.

Specifically, the mount 2 is rectangular as a whole. In this embodiment, the micro speaker module has two sound holes, and the test channel 11 has two sound holes in parallel corresponding to the sound outlet 23. The test holes 61 are in a shape of a waist circle, and seven test holes 61 are arranged in the length direction of the sound outlet 23. In other embodiments, the test well 61 may be formed in various shapes such as a rectangle, a circle, or an ellipse. The number of the probes 3 is two, the two probes 3 are respectively communicated with the positive electrode and the negative electrode of the micro loudspeaker module, and indication symbols are engraved on the clamping arms 22 corresponding to the two probes 3.

As shown in fig. 1, fig. 2, fig. 3 and fig. 5, the micro-speaker testing fixture further includes a support block 4, a positioning groove 12 is disposed on one side of the mask 1, the testing channel 11 is communicated with a bottom surface of the positioning groove 12, the support block 4 is fixedly connected to a side surface of the mask 1 where the positioning groove 12 is disposed, and a top surface of the support block 4 is flush with a side surface of the positioning groove 12; the mounting seat 2 is arranged on the supporting block 4 and extends into the positioning groove 12. Specifically, the positioning groove 12 is rectangular; the supporting block 4 is rectangular, a threaded hole is formed in the baffle plate 1, and a countersunk hole is formed in the supporting block 4 corresponding to the threaded hole, so that the supporting block 4 is connected with the baffle plate 1 through a countersunk screw.

As shown in fig. 2, as a preferred embodiment, a quick clamp 5 is further fixedly arranged on the support block 4, and the quick clamp 5 is used for pressing a side surface of the mounting base 2 away from the sound outlet 23 so as to make the sound outlet 23 close to the test channel 11. In particular, in this embodiment the quick clamp 5 is preferably an elbow clamp and is screwed to the clamp block on the side remote from the mask 1. Quick fixture 5 is equipped with two, and two quick fixtures 5 are contradicted and are kept away from the one side of baffle 1 and be close to both sides setting in mount pad 2 to make the both sides stress balance of mount pad 2.

In a preferred embodiment, the top surface of the base 21 is screwed with an elbow clip for pressing the clip arm 22 against the base 21.

As shown in fig. 3, 4 and 7, the micro-speaker test fixture further includes an outer silica gel pad 6, the outer silica gel pad 6 is detachably connected to the baffle 1 far away from one side of the mounting base 2, the outer silica gel pad 6 is provided with a plurality of test holes 61, a plurality of the test holes 61 are communicated with the test channel 11, and a plurality of the test holes 61 are arranged in an array manner. Specifically, in this embodiment, outer silica gel pad 6 is the rounded rectangle, and four corners punishment do not are equipped with the through-hole, correspond on the baffle 1 the through-hole is equipped with the screw hole to make 6 screwed connections of outer silica gel pad on baffle 1.

As shown in fig. 4, an accommodating groove 13 for accommodating at least a partial region of the outer silicone rubber pad 6 is further disposed on one side of the baffle 1 away from the mounting seat 2, and the testing channel 11 is communicated with a bottom surface of the accommodating groove 13. Specifically, the mounting groove is set to be a rounded rectangle corresponding to the outer silica gel pad 6, and a threaded hole is formed in the bottom surface of the mounting groove; in this embodiment, the depth of the mounting groove is equal to the thickness of the outer silicone pad 6, so that the outer silicone pad 6 is completely accommodated in the mounting groove.

As shown in fig. 8, a first dust screen 62 is further disposed on the outer silicone rubber pad 6, and the first dust screen 62 shields the test hole 61. Specifically, the first dust screen 62 is adhesively connected to one surface of the outer silicone pad 6 close to the baffle 1.

As shown in fig. 5 and 6, an inner silica gel pad 7 is fixedly arranged on one side of the baffle 1 close to the mounting base 2, an opening is arranged on the inner silica gel pad 7 corresponding to the test channel 11, and a second dust screen 71 for shielding the opening is further arranged on the inner silica gel pad 7. Specifically, interior silica gel pad 7 adhesive connection is close to the one end of mount pad 2 in test passageway 11, corresponds test passageway 11 and is equipped with two openings on the interior silica gel pad 7.

As shown in fig. 9, a boss 221 is arranged on one surface of the clamping arm 22 away from the base 21, a through hole is arranged on the boss 221, and the probe 3 penetrates through the through hole and extends into the mounting cavity. Specifically, the boss 221 is provided with two through holes, and the two probes 3 are inserted from one side of the clamping arm 22 close to the base 21 and respectively penetrate through one through hole. The through hole is provided with a limiting waistcoat, and the probe 3 is provided with a contact waistcoat matched with the limiting waistcoat, so that the probe 3 is prevented from being separated from one end of the through hole far away from the base 21 under the action of external force after the clamping arm 22 is folded with the base 21.

As shown in fig. 9, the clamping arm 22 is provided with a relief hole 222 for communicating the installation cavity with the outside.

As shown in fig. 10, one end of the clamping arm 22 is rotatably connected to the base 21, a first magnetic element 81 is disposed on a side of the other end of the clamping arm 22 close to the base 21, and a second magnetic element 82 is disposed on the base 21 corresponding to the first magnetic element 81. Specifically, a first projection and a second projection which are projected outwards are respectively arranged at two ends of the clamping arm 22, and a through rotating connection hole is arranged on the first projection so as to enable the clamping arm 22 to be rotatably connected with the base 21; the second protrusion protrudes from the side of the base 21, so that the clamping arm 22 can be lifted by the worker through the second protrusion. A first mounting groove is formed in the clamping arm 22, and the first magnetic suction piece 81 is arranged in the first mounting groove in an interference manner; a second mounting groove is formed in the corresponding position of the base 21, and the second magnetic suction piece 82 is arranged in the second mounting groove in an interference manner; the bottom surface of the first installation groove is provided with an ejection hole communicated with the other surface of the clamping arm 22, the bottom surface of the second installation groove is provided with an ejection hole communicated with the bottom surface of the base 21, and a worker can eject the first magnetic attraction piece 81 and the second magnetic attraction piece 82 through the ejection holes. The first mounting groove is disposed at the second protrusion, so that when the first magnetic attraction piece 81 and the second magnetic attraction piece 82 are attracted to each other, the constraint force on the clamp arm 22 has a larger moment.

To sum up, the utility model provides a miniature speaker test fixture simple structure, the commonality is strong. Arrange the miniature speaker module in the installation cavity, make the mount pad install in baffle one side, can install in intelligent terminal through the operational environment of ID hole sound production through holding chamber and test hole simulation miniature speaker module, send the work signal of telecommunication to miniature speaker module through the probe this moment, then utilize test equipment to collect audio signal outside the test hole, can judge whether the audio performance of this miniature speaker module meets the requirements. The locating slot can help the staff to limit the position of mount pad, and the brace piece can be used to bear the mount pad to make the mount pad stably stop in one side of baffle. The rapid clamp can be used for clamping the mounting seat, so that the sound outlet of the mounting seat is always close to the test channel, the working strength of workers is favorably reduced, and the accuracy of a test result is improved. The holding tank can play certain positioning role in the process of installing the outer silica gel pad, and can reduce the height of the outer silica gel pad protruding out of the surface of the baffle plate and reduce the risk that the outer silica gel pad is damaged or even falls off due to the fact that the side face of the outer silica gel pad is collided by external force. The first dustproof net and the second dustproof net can prevent dust or foreign matters from entering the test channel, and adverse effects on test results are avoided. The lug boss is arranged on the clamping arm, so that the length of the probe inserted into the clamping arm can be increased, and further, the angular deviation of the probe under the action of external force is reduced. Set up the hole of disappointing on the arm lock and can make the air flow in the installation cavity smooth and easy to guarantee that miniature speaker module is normal vocal.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, 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

1. The utility model provides a miniature speaker test fixture which characterized in that: the test device comprises a baffle and a mounting seat which is detachably mounted on one side of the baffle, wherein a through test channel is arranged on the baffle, and the test channel is communicated with the other side of the baffle to form a plurality of test holes; the mounting seat comprises a base and a clamping arm which are movably connected, the base and the clamping arm surround to form a mounting cavity, and a sound outlet corresponding to the test channel is formed in the side wall of the mounting cavity; the corresponding installation cavity on the clamping arm is provided with a probe.

2. The micro-speaker test tool of claim 1, wherein: the test device is characterized by further comprising a support block, wherein one side of the baffle plate is provided with a positioning groove, the test channel is communicated with the bottom surface of the positioning groove, the support block is fixedly connected to one side face, provided with the positioning groove, of the baffle plate, and the top surface of the support block is flush with one side face of the positioning groove; the mounting seat is arranged on the supporting block and extends into the positioning groove.

3. The micro-speaker test tool of claim 2, wherein: the quick clamp is used for pressing the side face, far away from the sound outlet, of the mounting seat, so that the sound outlet is close to the test channel.

4. The micro-speaker test tool of claim 1, wherein: still include outer silica gel pad, outer silica gel pad can dismantle connect in the baffle is kept away from one side of mount pad, be equipped with a plurality ofly on the outer silica gel pad test hole, it is a plurality of test hole intercommunication the test passageway, and a plurality of the test hole array sets up.

5. The micro-speaker test tool of claim 4, wherein: one side of the baffle, which is far away from the mounting seat, is also provided with a containing groove for containing at least part of the outer silica gel pad, and the test channel is communicated with the bottom surface of the containing groove.

6. The micro-speaker test tool of claim 4, wherein: still be equipped with first dust screen on the outer silica gel pad, first dust screen shields the test hole.

7. The micro-speaker test tool of claim 6, wherein: one side that the shadow mask is close to the mount pad has set firmly interior silica gel pad, interior silica gel pad is gone up and is corresponded the test channel is equipped with the opening, interior silica gel pad is gone up still to be equipped with and is used for shielding open-ended second dust screen.

8. The micro-speaker test tool of claim 1, wherein: the base is provided with a clamping arm, the clamping arm is provided with a through hole, and the probe penetrates through the through hole and stretches into the installation cavity.

9. The micro-speaker test tool according to claim 1, wherein: and the clamping arm is provided with an air leakage hole for communicating the mounting cavity with the outside.

10. The micro-speaker test tool according to claim 1, wherein: one end of the clamping arm is rotatably connected to the base, the other end of the clamping arm is close to one side of the base, a first magnetic attraction piece is arranged on the base, and a second magnetic attraction piece is arranged on the base corresponding to the first magnetic attraction piece.