Novel MIC dual-channel manual test fixture

By designing a MIC dual-channel manual test fixture containing sound insulation mechanism, the problem that the existing technology cannot meet the dual-channel MIC testing needs is solved, and stable and accurate dual-channel testing and convenient installation are achieved.

CN222602586UActive Publication Date: 2025-03-11NANCHANG TXD PRECISION OPTOELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421306172.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-11
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing dual-channel MIC test fixture without dedicated use cannot meet the needs of dual-channel MIC testing on the camera section, resulting in the inability to conduct dual-channel MIC testing of finished modules, or the MIC factory needs to assist in the test, which is more troublesome.

Method used

A new type of MIC dual-channel manual test fixture is designed, including substrate, test components and sound insulation mechanism. The sound insulation mechanism consists of an L-shaped plate, a sound insulation cotton, a slider and a limiting plate. Through the sliding connection between the slider and the slide chute, the fixed connection of the limiting plate, and the connection of the bolts, the sound insulation cotton isolates the conductive sound.

Benefits of technology

The test fixture can effectively conduct dual-channel speaker testing, isolate the conduction sound, ensure the stability and accuracy of the test, and improve the installation convenience and stability through the installation mechanism.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222602586U_ABST
    Figure CN222602586U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of MIC dual-channel test fixtures, and discloses a novel MIC dual-channel manual test fixture, which comprises a substrate, two sides of the upper surface of the substrate are connected with test assemblies, a sound insulation mechanism is arranged between the two test assemblies, and the sound insulation mechanism comprises an L-shaped plate, sound insulation cotton, a sliding block and a limiting plate. A notch is formed between the two testing assemblies, a sliding groove is formed in the lower surface of the notch, the outer surface of the sliding block is slidably connected with the interior of the sliding groove, the upper surface of the sliding block is fixedly connected with the lower surface of an L-shaped plate, and the outer surface of the L-shaped plate is connected with the interior of the notch in an inserted mode. According to the novel MIC dual-channel manual test fixture, dual-channel loudspeaker testing can be effectively carried out at the same time, conducted sound generated in the testing process can be isolated, the testing effect between the two is prevented from being interfered, and the testing accuracy is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of MIC dual-channel test fixtures, in particular to a novel MIC dual-channel manual test fixture. Background Art

[0002] At present, the CCM industry market basically uses conventional mobile phone test fixtures. Due to the rapid development of the camera industry, it is no longer limited to mobile phones and laptops. Therefore, it is necessary to perform MIC testing on the camera to ensure that the camera can be used normally.

[0003] However, the following problems still exist in actual use:

[0004] There is no dedicated dual-channel MIC test fixture. Due to the increase in test requirements, the camera module has added a dual-channel MIC that needs to be tested, resulting in the existing fixture being unable to meet customer needs and unable to perform dual-channel MIC testing on finished modules. Or the MIC manufacturer can only assist in testing, and the testing process is more troublesome. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a novel MIC dual-channel manual test fixture, which has the advantages of being able to effectively perform dual-channel testing on a camera while avoiding the occurrence of sound conduction during the dual-channel testing process, thereby solving the problems raised in the background technology.

[0006] The utility model provides the following technical solutions: a novel MIC dual-channel manual test fixture, comprising: a substrate, both sides of the upper surface of the substrate are connected with test components, a sound insulation mechanism is arranged between the two groups of the test components, the sound insulation mechanism comprises an L-shaped plate, sound insulation cotton, a slider and a limit plate, a notch is arranged between the two groups of the test components, a slide groove is opened on the lower surface of the notch, the outer surface of the slider is slidably connected to the inside of the slide groove, the upper surface of the slider is fixedly connected to the lower surface of the L-shaped plate, the outer surface of the L-shaped plate is plugged into the inside of the notch, one side of the limit plate is fitted with one side of the substrate, one side of the slider and one side of the L-shaped plate, the inside of the limit plate is connected with a bolt, the end part of the bolt is connected to the inside of the slider, and the outer surface of the sound insulation cotton is connected to the inside of the L-shaped plate.

[0007] Preferably, mounting mechanisms are provided at the four corners of the substrate, and the mounting mechanisms include a fixed block, an elastic component, a connecting plate, a movable block and an L-shaped support leg, one side of the fixed block is fixedly connected to the end corner of the substrate, an inner groove is provided inside the fixed block, one end of the elastic component is fixedly connected to the inside of the inner groove, one side of the connecting plate is fixedly connected to the other end of the elastic component, and one end of the movable block is fixedly connected to the other side of the connecting plate.

[0008] Preferably, slots are provided at both ends of one side of the substrate, and plug blocks are fixedly connected to both ends of the side of the limiting plate opposite to the substrate, and the outer surface of the plug block is plugged into the inside of the slot.

[0009] Preferably, a speaker placement opening is provided on the upper surface of the test component.

[0010] Preferably, the outer surface of the connecting plate is slidably connected to the inside of the inner groove, and one side of the L-shaped leg is fixedly connected to the lower surface of the other end of the movable block.

[0011] Preferably, a mounting hole is provided on the L-shaped leg.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. This new type of MIC dual-channel manual test fixture is equipped with a sound insulation mechanism. When testing two groups of speakers at the same time, first, the L-shaped plate with sound insulation cotton is connected to the inside of the slot between the two groups of test components. Since the lower surface of the L-shaped plate is connected to a slider, and the lower surface of the slot is provided with a slide groove, the synchronous slider is inserted into the inside of the slide groove, and then the limit plate is attached to one side of the L-shaped plate. Since both ends of one side of the base plate are provided with slots, the plug-in block provided on the side of the limit plate close to the base plate is inserted into the inside of the slot, and then the limit plate and the slider are connected by bolts to limit the position of the L-shaped plate. When testing at this time, the sound insulation cotton provided inside the L-shaped plate isolates the conducted sound, thereby ensuring the stability of the test. The setting of this structure can effectively carry out dual-channel speaker testing at the same time, and can isolate the conducted sound generated during the test to avoid interference with the test effects between the two, thereby improving the accuracy of the test.

[0014] 2. This new type of MIC dual-channel manual test fixture is provided with an installation mechanism. When the overall device is installed and used, the device is first placed on the test platform. Since the two side corners of the substrate are connected to fixed blocks, and the interior of the fixed block is connected to an elastic component, the other end of the elastic component is connected to a connecting plate, and the other end of the connecting plate is connected to a movable block movably connected to an inner groove opened inside the fixed block, and the L-shaped foot on the lower surface of one end of the movable block extending out of the inner groove is used to support the ground. By pulling the L-shaped foot, the position of the movable block inside the inner groove can be adjusted, so that the position of the L-shaped foot can be determined according to the installation requirements, and the position of the L-shaped foot can be fixed by cooperating with the existing screws to complete its installation. The setting of this structure can effectively determine the installation position according to the requirements, thereby improving the convenience of installation, and at the same time can ensure the stability of the device after installation, and avoid the displacement caused by external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0016] Figure 2 This is a schematic diagram of the installation mechanism structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the L-shaped plate connection structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the sound insulation mechanism of the utility model;

[0019] Figure 5 This is a schematic diagram of the connection structure of the limit plate of the utility model.

[0020] In the figure: 1. Base plate; 2. Test component; 3. Speaker placement port; 4. Sound insulation mechanism; 5. Installation mechanism; 6. Fixed block; 7. Elastic component; 8. Connecting plate; 9. Movable block; 10. L-shaped support foot; 11. Inner groove; 12. Slide groove; 13. Notch; 14. L-shaped plate; 15. Limit plate; 16. Bolt; 17. Slider; 18. Sound insulation cotton; 19. Slot; 20. Insert block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 3 , Figure 4 and Figure 5A novel MIC dual-channel manual test fixture comprises: a substrate 1, test components 2 are connected to both sides of the upper surface of the substrate 1, a sound insulation mechanism 4 is arranged between the two groups of test components 2, the sound insulation mechanism 4 comprises an L-shaped plate 14, sound insulation cotton 18, a slider 17 and a limit plate 15, a notch 13 is arranged between the two groups of test components 2, a slide groove 12 is provided on the lower surface of the notch 13, the outer surface of the slider 17 is slidably connected to the inside of the slide groove 12, the upper surface of the slider 17 is fixedly connected to the lower surface of the L-shaped plate 14, the outer surface of the L-shaped plate 14 is plugged into the inside of the notch 13, one side of the limit plate 15 is fitted with one side of the substrate 1, one side of the slider 17 and one side of the L-shaped plate 14, a bolt 16 is connected to the inside of the limit plate 15, the end portion of the bolt 16 is connected to the inside of the slider 17, the outer surface of the sound insulation cotton 18 is connected to the inside of the L-shaped plate 14, slots 19 are provided at both ends of one side of the substrate 1, and the limit plate 15 is relatively The two ends of one side of the substrate 1 are fixedly connected with plug blocks 20, and the outer surface of the plug block 20 is plugged into the interior of the slot 19. The upper surface of the test component 2 is provided with a speaker placement port 3. When testing two groups of speakers, first, the L-shaped plate 14 with sound insulation cotton 18 is snapped into the interior of the slot 13 between the two groups of test components 2. Since the lower surface of the L-shaped plate 14 is connected with a slider 17, and the lower surface of the slot 13 is provided with a slide groove 12, the synchronous slider 17 is inserted into the interior of the slide groove 12, and then the limit plate 15 is attached to one side of the L-shaped plate 14. Since the two ends of one side of the substrate 1 are provided with slots 19, the plug block 20 set on the side of the limit plate 15 close to the substrate 1 is inserted into the interior of the slot 19, and then the limit plate 15 and the slider 17 are connected by bolts 16, so as to limit the position of the L-shaped plate 14. When testing at this time, the sound insulation cotton 18 set inside the L-shaped plate 14 isolates the conducted sound, thereby ensuring the stability of the test.

[0023] See also Figure 1 and Figure 2The four corners of the substrate 1 are all provided with mounting mechanisms 5, which include a fixed block 6, an elastic component 7, a connecting plate 8, a movable block 9 and an L-shaped support leg 10. One side of the fixed block 6 is fixedly connected to the end corner of the substrate 1, an inner groove 11 is provided inside the fixed block 6, one end of the elastic component 7 is fixedly connected to the inside of the inner groove 11, one side of the connecting plate 8 is fixedly connected to the other end of the elastic component 7, one end of the movable block 9 is fixedly connected to the other side of the connecting plate 8, the outer surface of the connecting plate 8 is slidably connected to the inside of the inner groove 11, one side of the L-shaped support leg 10 is fixedly connected to the lower surface of the other end of the movable block 9, and the device is placed on the test platform. On the top, since the two side corner positions of the substrate 1 are connected to fixed blocks 6, and the interior of the fixed block 6 is connected to an elastic component 7, the other end of the elastic component 7 is connected to a connecting plate 8, and the other end of the connecting plate 8 is connected to a movable block 9 movably connected to an inner groove 11 opened inside the fixed block 6, and the movable block 9 extends out of the inner groove 11. The L-shaped support foot 10 on the lower surface of one end of the inner groove 11 is used to support the ground. By pulling the L-shaped support foot 10, the position of the movable block 9 inside the inner groove 11 can be adjusted, so that the position of the L-shaped support foot 10 can be determined according to the installation requirements, and the position of the L-shaped support foot 10 can be fixed by cooperating with the existing screws to complete its installation.

[0024] See also Figure 2 The L-shaped leg 10 is provided with a mounting hole.

[0025] Working principle: When in use, first, when installing the entire device, first place the device on the test platform. Since the two side corner positions of the substrate 1 are connected to fixed blocks 6, and the interior of the fixed block 6 is connected to an elastic component 7, the other end of the elastic component 7 is connected to a connecting plate 8, and the other end of the connecting plate 8 is connected to a movable block 9 that is movably connected to an inner groove 11 opened inside the fixed block 6, and the L-shaped foot 10 on the lower surface of one end of the movable block 9 extending out of the inner groove 11 is used to support the ground. By pulling the L-shaped foot 10, the position of the movable block 9 inside the inner groove 11 can be adjusted, so that the position of the L-shaped foot 10 can be determined according to the installation requirements, and the position of the L-shaped foot 10 can be fixed by cooperating with the existing screws to complete its installation.

[0026] When testing two groups of speakers, first, the L-shaped plate 14 with the sound insulation cotton 18 is snapped into the slot 13 between the two groups of test components 2. Since the lower surface of the L-shaped plate 14 is connected to the slider 17, and the lower surface of the slot 13 is provided with a slide groove 12, the synchronous slider 17 is inserted into the inside of the slide groove 12, and then the limit plate 15 is attached to one side of the L-shaped plate 14. Since slots 19 are provided at both ends of one side of the substrate 1, the plug block 20 arranged on the side of the limit plate 15 close to the substrate 1 is inserted into the inside of the slot 19, and then the limit plate 15 and the slider 17 are connected by bolts 16 to limit the position of the L-shaped plate 14. When testing at this time, the sound insulation cotton 18 arranged inside the L-shaped plate 14 isolates the conducted sound, thereby ensuring the stability of the test.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of MIC dual-channel manual test fixture, characterized in that: include: A substrate (1), wherein both sides of the upper surface of the substrate (1) are connected to test components (2), a sound insulation mechanism (4) is arranged between two groups of the test components (2), the sound insulation mechanism (4) comprises an L-shaped plate (14), sound insulation cotton (18), a slider (17) and a limit plate (15), a notch (13) is arranged between the two groups of the test components (2), a slide groove (12) is provided on the lower surface of the notch (13), the outer surface of the slider (17) is slidably connected to the inside of the slide groove (12), and the The upper surface of the slider (17) is fixedly connected to the lower surface of the L-shaped plate (14), the outer surface of the L-shaped plate (14) is plugged into the inside of the slot (13), one side of the limit plate (15) is in contact with one side of the base plate (1), one side of the slider (17) and one side of the L-shaped plate (14), the inside of the limit plate (15) is connected with a bolt (16), the end portion of the bolt (16) is connected to the inside of the slider (17), and the outer surface of the sound insulation cotton (18) is connected to the inside of the L-shaped plate (14).

2. According to claim 1, a novel MIC dual-channel manual test fixture is characterized in that: The four corners of the base plate (1) are each provided with a mounting mechanism (5), the mounting mechanism (5) comprising a fixed block (6), an elastic component (7), a connecting plate (8), a movable block (9) and an L-shaped support leg (10), one side of the fixed block (6) is fixedly connected to the end corner of the base plate (1), an inner groove (11) is provided inside the fixed block (6), one end of the elastic component (7) is fixedly connected to the inside of the inner groove (11), one side of the connecting plate (8) is fixedly connected to the other end of the elastic component (7), and one end of the movable block (9) is fixedly connected to the other side of the connecting plate (8).

3. According to claim 1, a novel MIC dual-channel manual test fixture is characterized in that: Slots (19) are provided at both ends of one side of the base plate (1), and plug blocks (20) are fixedly connected at both ends of the side of the limit plate (15) opposite to the base plate (1), and the outer surface of the plug block (20) is plugged into the inside of the slot (19).

4. According to claim 1, a novel MIC dual-channel manual test fixture is characterized in that: The upper surface of the test component (2) is provided with a speaker placement opening (3).

5. According to claim 2, a novel MIC dual-channel manual test fixture is characterized in that: The outer surface of the connecting plate (8) is slidably connected to the inside of the inner groove (11), and one side of the L-shaped support leg (10) is fixedly connected to the lower surface of the other end of the movable block (9).

6. The novel MIC dual-channel manual test fixture according to claim 2 is characterized in that: The L-shaped supporting foot (10) is provided with a mounting hole.