Miniature loudspeaker test tool

Abstract

The utility model discloses a miniature loudspeaker test tool, which comprises a base, a rear cavity and a pressing plate, the base is provided with a placing groove and a positioning groove which are communicated with each other, and the placing groove is used for placing a miniature loudspeaker to be tested; the rear cavity is detachably placed in the positioning groove, the rear cavity is provided with a butt joint opening communicated with the inner space of the rear cavity, and the butt joint opening is located in the side, close to the placing groove, of the rear cavity; and one end of the pressing plate is rotatably connected with the base, and the pressing plate is used for pressing the rear cavity and the micro loudspeaker to be tested. The rear cavity is independent from the pressing plate to form the independent rear cavity body, and when the performance of the miniature loudspeaker under the condition of the rear cavities with different sizes needs to be tested, a tester can directly replace the rear cavity bodies with the same outer contour size and different internal space volumes without detaching and replacing the whole pressing plate from the bottom plate, so that the test efficiency is greatly improved. The operation of testers is greatly facilitated, and the utilization rate of the miniature loudspeaker test tool can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling and fixtures, in particular to a micro speaker testing tooling. Background Art

[0002] With the popularity of mobile devices such as smartphones, more and more users want to improve the sound quality of their devices, and the requirements for the performance of micro speakers are getting higher and higher. Therefore, micro speaker test tooling is needed to test the performance of micro speakers during the production process.

[0003] The micro speaker includes a module housing and a speaker unit disposed in the module housing. In the prior art, the rear cavity of some micro speakers is provided by the internal space of the mobile device, that is, the rear cavity is separated from the module housing, but the module housing 72 has a connecting port 71 (such as Figure 1 As shown in the figure, when testing this type of micro-speaker, the existing test fixtures often choose to process the rear cavity of the connecting port on the pressure plate, which results in the total volume of the rear cavity on the pressure plate being fixed and the total volume of the rear cavity cannot be adjusted. If the performance test of the micro-speaker with rear cavities of different sizes is required, it is necessary to prepare multiple test fixtures with different rear cavity sizes. During the test, the fixture parts need to be replaced many times, which makes the operation complicated. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a micro-speaker testing tool with a variable rear cavity volume.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a micro speaker testing tool, comprising:

[0006] A base, wherein the base is provided with a placement groove and a positioning groove which are connected to each other, and the placement groove is used to place the micro speaker to be tested;

[0007] A rear cavity, the rear cavity is detachably placed in the positioning groove, the rear cavity has a docking port communicating with its internal space, and the docking port is located on a side of the rear cavity close to the placement groove;

[0008] A pressing plate, one end of which is rotatably connected to the base, and the pressing plate is used to press the rear cavity and the micro speaker to be tested.

[0009] Furthermore, it also includes a quick pressing head, which is arranged on the base and is used to press the pressing plate.

[0010] Furthermore, a contact area between the quick pressing head and the pressing plate is arranged close to the placement groove.

[0011] Further, a buffer pad for contacting the micro speaker to be tested is provided on the inner bottom surface of the placement groove.

[0012] Further, the docking surface of the docking interface is inclined.

[0013] Further, a sealing pad is provided at the docking interface, and the sealing pad is in a ring frame shape.

[0014] Further, the sealing pad is made of silica gel.

[0015] Further, the rear cavity includes an upper shell and a lower shell connected to each other.

[0016] Further, a conduction probe is provided on the base, and one end of the conduction probe extends into the placement groove.

[0017] Further, a first magnetic attraction member is provided at the other end of the pressing plate, and a second magnetic attraction member magnetically coupled with the first magnetic attraction member is provided on the base.

[0018] The beneficial effects of the present utility model are as follows: In this micro speaker testing tooling, the rear cavity is separated from the pressing plate to form an independent rear cavity. When it is necessary to test the performance of the micro speaker under the condition of different sizes of the rear cavity, the tester can directly replace the rear cavity with the same outer contour size but different internal space volumes, without disassembling and replacing the entire pressing plate from the bottom plate, which greatly facilitates the operation of the tester and can improve the utilization rate of the micro speaker testing tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of a micro speaker to be tested in the prior art;

[0020] Figure 2 It is a schematic structural diagram of the micro speaker testing tooling according to Embodiment 1 of the present utility model;

[0021] Figure 3 It is a schematic structural diagram of a partial structure of the micro speaker testing tooling according to Embodiment 1 of the present utility model.

[0022] Label Description:

[0023] 1. Base; 11. Placement groove; 12. Positioning groove;

[0024] 2. Rear cavity; 21. Docking interface; 22. Sealing pad; 23. Upper shell; 24. Lower shell;

[0025] 3. Pressing plate; 31. First magnetic attraction member;

[0026] 4. Quick pressing head;

[0027] 5. Buffer pad;

[0028] 6. Conductive probe

[0029] 7. Micro speaker to be tested; 71. Connecting port; 72. Module housing Specific implementation manner

[0030] To describe in detail the technical content, achieved purpose and effects of the present utility model, the following is described in conjunction with the implementation manners and with reference to the drawings

[0031] Please refer to Figure 2 and Figure 3 , a micro speaker testing tooling, comprising:

[0032] Base 1, on which there are a connected placement groove 11 and a positioning groove 12, and the placement groove 11 is used for placing the micro speaker 7 to be tested

[0033] Rear cavity 2, which is detachably placed in the positioning groove 12, and the rear cavity 2 has a docking port 21 communicating with its internal space, and the docking port 21 is located on the side of the rear cavity 2 close to the placement groove 11

[0034] Pressing plate 3, one end of which is rotatably connected to the base 1, and the pressing plate 3 is used to press the rear cavity 2 and the micro speaker 7 to be tested

[0035] As can be seen from the above description, the beneficial effect of the present utility model is that: in this micro speaker testing tooling, the rear cavity is separated from the pressing plate 3 to form an independent rear cavity 2. When it is necessary to test the performance of the micro speaker under the condition of different sizes of the rear cavity, the tester can directly replace the rear cavity 2 with the same outer contour size but different internal space volumes, without disassembling and replacing the entire pressing plate 3 from the bottom plate, which greatly facilitates the operation of the tester and can improve the utilization rate of the micro speaker testing tooling

[0036] Furthermore, it further includes a quick pressing head 4, which is arranged on the base 1, and the quick pressing head 4 is used to press the pressing plate 3

[0037] As can be seen from the above description, the quick pressing head 4 can apply a large pressure to the pressing plate 3, so that the pressing plate 3 can tightly press the pressing plate 3, enabling the pressing plate 3 to better press the rear cavity 2 and the micro speaker 7 to be tested, which is beneficial to ensuring the accuracy of the test results

[0038] Furthermore, the contact area between the quick pressing head 4 and the pressing plate 3 is arranged close to the placement groove 11

[0039] As can be seen from the above description, arranging the quick pressing head 4 corresponding to the placement groove 11 can enable the pressing plate 3 to better apply pressure to the micro speaker

[0040] Furthermore, a buffer pad 5 for contacting the micro speaker 7 to be tested is provided on the inner bottom surface of the placement groove 11.

[0041] As can be seen from the above description, the setting of the buffer pad 5 can prevent the micro speaker 7 to be tested from being crushed.

[0042] Furthermore, the docking surface of the docking port 21 is inclined.

[0043] As can be seen from the above description, the docking surface of the docking port 21 is set according to the communication port 71 of the micro speaker. The inclined docking surface can enable better docking between the micro speaker and the rear cavity 2.

[0044] Furthermore, a sealing pad 22 is provided at the docking port 21, and the sealing pad 22 is in a ring frame shape.

[0045] As can be seen from the above description, the sealing pad 22 can enable sealed docking between the rear cavity 2 and the micro speaker 7 to be tested, thereby improving the accuracy of the test results.

[0046] Furthermore, the sealing pad 22 is made of silica gel.

[0047] As can be seen from the above description, the sealing pad 22 made of silica gel is convenient for processing and manufacturing.

[0048] Furthermore, the rear cavity 2 includes an upper shell 23 and a lower shell 24 connected to each other.

[0049] Furthermore, a conduction probe 6 is provided on the base 1, and one end of the conduction probe 6 extends into the placement groove 11.

[0050] As can be seen from the above description, the conduction probe 6 is used to power the micro speaker in the placement groove 11.

[0051] Furthermore, a first magnetic attraction member 31 is provided at the other end of the pressing plate 3, and a second magnetic attraction member magnetically coupled with the first magnetic attraction member 31 is provided on the base 1.

[0052] As can be seen from the above description, the magnetic coupling between the first magnetic attraction member 31 and the second magnetic attraction member can enable pre - pressing of the pressing plate 3, which is convenient for the subsequent downward pressing of the quick press head 4.

[0053] Embodiment 1

[0054] Please refer to Figure 2 and Figure 3, Embodiment 1 of the present utility model is: a micro-speaker testing tooling, including a base 1, a rear cavity 2 and a pressing plate 3. A placement groove 11 and a positioning groove 12 are provided on the base 1 and are in communication with each other. The placement groove 11 is used for placing the micro-speaker 7 to be tested; the rear cavity 2 is detachably placed in the positioning groove 12. The rear cavity 2 has a docking port 21 communicating with its internal space. The docking port 21 is located on the side of the rear cavity 2 close to the placement groove 11. The docking port 21 is used for docking with the communication port 71 of the micro-speaker 7 to be tested placed in the placement groove 11; one end of the pressing plate 3 is rotatably connected to the base 1, and the pressing plate 3 is used to press the rear cavity 2 and the micro-speaker 7 to be tested placed in the placement groove 11.

[0055] The micro-speaker testing tooling further includes a quick press head 4. The quick press head 4 is provided on the base 1. The quick press head 4 is used to press the pressing plate 3. In order to enable the quick press head 4 to better press the pressing plate 3, in this embodiment, a first magnetic attraction member 31 is provided at the other end of the pressing plate 3, and a second magnetic attraction member magnetically cooperating with the first magnetic attraction member 31 is provided on the base 1. When the first magnetic attraction member 31 is a magnet, the second magnetic attraction member is a magnet or a soft magnetic body. When the first magnetic attraction member 31 is a soft magnetic body, the second magnetic attraction member is a magnet.

[0056] As a preferred implementation manner, the contact area between the quick press head 4 and the pressing plate 3 is arranged close to the placement groove 11.

[0057] In this embodiment, a buffer pad 5 for contacting the micro-speaker 7 to be tested is provided on the inner bottom surface of the placement groove 11. The buffer pad 5 can be a rubber pad, a foam pad, etc. The buffer pad 5 can improve the phenomenon that the micro-speaker 7 to be tested is damaged by pressing.

[0058] Optionally, the docking surface of the docking port 21 is inclined, so that it can be adapted to the inclined communication port 71 on the micro-speaker 7 to be tested. Moreover, when the pressing plate 3 presses the rear cavity 2 and the micro-speaker 7 to be tested, the communication port 71 and the docking port 21 can achieve a closer docking.

[0059] Preferably, a sealing pad 22 is provided at the docking port 21. The sealing pad 22 is in a ring frame shape. In this embodiment, the material of the sealing pad 22 is silica gel.

[0060] The rear cavity 2 includes an upper shell 23 and a lower shell 24 connected to each other. The communication port 71 is provided on the upper shell 23 or the lower shell 24, or a part of the communication port 71 is located on the upper shell 23 and another part is located on the lower shell 24.

[0061] A conducting probe 6 is provided on the base 1, and one end of the conducting probe 6 extends into the placement groove 11.

[0062] In summary, the micro-speaker test tooling provided by the present utility model separates the rear cavity from the pressing plate to form a separate rear cavity body. When it is necessary to test the performance of the micro-speaker under the condition of rear cavities of different sizes, the tester can directly replace the rear cavity body with the same outer contour size but different internal space volumes, without disassembling and replacing the entire pressing plate from the bottom plate, which greatly facilitates the operation of the tester and can improve the utilization rate of the micro-speaker test tooling.

[0063] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the related technical field, shall be equally included in the patent protection scope of the present utility model.

Claims

1. A micro speaker testing tool, characterized in that: include A base, wherein the base is provided with a placement groove and a positioning groove which are connected to each other, and the placement groove is used to place the micro speaker to be tested; A rear cavity, the rear cavity is detachably placed in the positioning groove, the rear cavity has a docking port communicating with its internal space, and the docking port is located on a side of the rear cavity close to the placement groove; A pressing plate, one end of which is rotatably connected to the base, and the pressing plate is used to press the rear cavity and the micro speaker to be tested.

2. The micro speaker test fixture according to claim 1, characterized in that: It also includes a quick pressing head, which is arranged on the base and is used to press the pressing plate.

3. The micro speaker test fixture according to claim 2, characterized in that: The contact area between the quick pressing head and the pressing plate is arranged close to the placement groove.

4. The micro speaker test fixture according to claim 1, characterized in that: The inner bottom surface of the placement groove is provided with a buffer pad for contacting the micro speaker to be tested.

5. The micro speaker test fixture according to claim 1, characterized in that: The docking surface of the docking port is arranged inclined.

6. The micro speaker test fixture according to claim 1, characterized in that: A sealing gasket is provided at the docking interface, and the sealing gasket is in a ring frame shape.

7. The micro speaker testing tool according to claim 6, characterized in that: The sealing pad is made of silicone.

8. The micro speaker test fixture according to claim 1, characterized in that: The rear cavity comprises an upper shell and a lower shell which are connected.

9. The micro speaker testing tool according to claim 1, characterized in that: A conducting probe is arranged on the base, and one end of the conducting probe extends into the placement groove.

10. The micro speaker testing tool according to claim 1, characterized in that: The other end of the pressing plate is provided with a first magnetic attraction component, and the base is provided with a second magnetic attraction component that magnetically cooperates with the first magnetic attraction component.

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