Testing device
By designing a fully automatic test device, using simulated ear components, circulation tooling and power supply components, the problems of traditional manual testing are solved, and efficient and accurate headphone sound quality testing is achieved.
Patent Information
- Application Number
- CN202323640115.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2033-12-28
AI Technical Summary
Traditional manual single-station operation test headphone sound quality is inefficient and easy to misjudgment, making it difficult to meet the increase in market demand for TWS and the increase in customer recognition of tests.
A fully automatic testing device is designed, including a seat body, simulated ear assembly, circulation tooling and power supply assembly. The simulated ear assembly forms an incoming sound part and an incoming sound port, and the circulating tool installation is equipped with a cavity to accommodate the earphones to be tested. The power supply assembly is connected to the earphone electrode through the probe part to achieve fully automatic power supply and testing.
It realizes fully automated headphone sound quality testing, improves testing efficiency, reduces the risk of misjudgment of manual operations, and can meet the market's efficient testing needs for TWS equipment.
Smart Images

Figure CN222531832U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of testing equipment, in particular to a testing device. Background Art
[0002] As the market demand for TWS increases, competition in the industry becomes fierce. In order to support production line upgrades, meet customer needs, and improve customer recognition, traditional manual single-station testing involves many actions, low efficiency, and is prone to misjudgment. Utility Model Content
[0003] The main purpose of the utility model is to provide a testing device, aiming to provide a testing device for fully automatically testing the sound quality of earphones.
[0004] To achieve the above purpose, the testing device proposed by the utility model includes:
[0005] seat body;
[0006] An artificial ear component is arranged on the seat body, the artificial ear component is formed with a sound input part, the sound input part is formed with a sound input port, and the sound input port is exposed outward from the seat body;
[0007] A circulation tool can be positioned and installed on the seat body, and a receiving cavity is formed inside the circulation tool for receiving the earphone to be tested, and the sound mouth of the earphone to be tested can be exposed from the circulation tool and arranged in alignment with the sound inlet; and
[0008] The power supply component comprises a probe part movably mounted relative to the seat body. During the movable stroke of the probe part, the probe part can be electrically connected to the electrode part of the earphone to be tested to supply power to the earphone to be tested.
[0009] Optionally, the seat body includes a seat body and a positioning plate arranged on the seat body, and the sound inlet exposes the positioning plate outwardly;
[0010] The testing device comprises a positioning matching structure, and the positioning matching structure comprises a positioning column and a positioning hole which are plugged and matched with each other. One of the positioning column and the positioning hole is arranged on the positioning plate, and the other is arranged on the circulation tooling.
[0011] Optionally, the circulation tooling comprises:
[0012] The outer frame is provided with a mounting cavity, and the bottom wall of the mounting cavity is provided with a through hole;
[0013] An internal body is disposed in the installation cavity, and the receiving cavity is formed in the internal body; and
[0014] The sealing sleeve body has an upper end for sealing between the accommodating cavity and the sound mouthpiece of the earphone to be tested, and a lower end for sealing between the via hole and the sound input part.
[0015] Optionally, the material of the outer frame includes acrylic; and / or,
[0016] The material of the inner body and / or the sealing sleeve body includes silicone.
[0017] Optionally, an annular protrusion is formed on the sealing sleeve body to cooperate with an annular groove provided on the inner wall of the mounting cavity of the outer frame body; and / or,
[0018] A strip-shaped convex portion extending in the up-down direction is also formed on the sealing sleeve body to cooperate with a strip-shaped groove arranged in the inner wall surface of the accommodating cavity.
[0019] Optionally, the testing device further comprises a limiting portion movable relative to the seat body, wherein the limiting portion can be movable to be positioned and installed above the circulation tooling to press the circulation tooling downward.
[0020] Optionally, the limiting portion comprises a limiting plate, and an exposure avoidance hole is provided on the limiting plate to allow the electrodes of the earphone to be tested to be exposed outwardly.
[0021] Optionally, the testing device further comprises:
[0022] A connecting seat, mounted on the seat body;
[0023] A mounting base is movably mounted on the connecting base in a horizontal direction; and
[0024] A mounting seat, movably mounted on the mounting seat in an up-and-down direction;
[0025] The limiting plate is arranged on the placement seat.
[0026] Optionally, the testing device comprises a first linear drive device, a second linear drive device and a third linear drive device, wherein the first linear drive device is arranged between the mounting seat and the connecting seat, the second linear drive device is arranged between the placement seat and the mounting seat, and the third linear drive device is at least partially arranged between the limiting plate and the probe part;
[0027] The testing device includes a circuit board, and the circuit board is electrically connected to the first linear drive device, the second linear drive device, and the third linear drive device.
[0028] In the technical solution provided by the utility model, the test device is used to test the earphone, including a seat, an artificial ear component, a circulation tooling and a power supply component, wherein the artificial ear component is arranged on the seat, the artificial ear component is formed with a sound input part, the sound input part is formed with a sound input port, the sound input port is exposed to the outside of the seat, the circulation tooling can be positioned and installed on the seat, a receiving cavity is formed inside the circulation tooling, which is used to accommodate the earphone to be tested, and the sound mouth of the earphone to be tested can be exposed to the outside of the circulation tooling, and is arranged in alignment with the sound input port, and the power supply component includes a probe part movably installed relative to the seat, and during the movable stroke of the probe part, the probe part can be electrically connected to the electrode part of the earphone to be tested to supply power to the earphone to be tested. Among them, exposure refers to being exposed to the outside and being connected to other components, and sound input refers to entering sound, receiving external sound into the interior of the artificial ear component. Thus, the sound quality test of the earphone is realized fully automatically without manual operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0030] Figure 1 A schematic diagram of the principle of an embodiment of the testing device provided by the utility model;
[0031] Figure 2 for Figure 1 A schematic diagram of the three-dimensional structure of the circulation tooling;
[0032] Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of the earphone in the sealing sleeve body when it is docked with the probe part.
[0033] Description of Figure Numbers:
[0034]
[0035]
[0036] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0037] 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 of 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.
[0038] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0040] As the market demand for TWS increases, competition in the industry becomes fierce. In order to support production line upgrades, meet customer needs, and improve customer recognition, traditional manual single-station testing involves many actions, low efficiency, and is prone to misjudgment.
[0041] In view of this, the utility model provides a testing device. Figures 1 to 3 This is an embodiment of the testing device provided by the utility model.
[0042] See also Figure 1, is a schematic diagram of an embodiment of the utility model, the testing device 100 is used to test earphones, including a seat body 1, an artificial ear component 2, a circulation tool 3 and a power supply component 4, the artificial ear component 2 is arranged on the seat body 1, the artificial ear component 2 is formed with a sound input part, the sound input part is formed with a sound input port 21, the sound input port 21 exposes the seat body 1 outwardly, the circulation tool 3 can be positioned and installed on the seat body 1, the circulation tool 3 is formed with a receiving cavity 321 inside, for accommodating the earphone to be tested, and can make the sound mouth of the earphone to be tested expose the circulation tool 3 outwardly, and be arranged in alignment with the sound input port 21, the power supply component 4 includes a probe part 41 movably installed relative to the seat body 1, and during the movable stroke of the probe part 41, the probe part 41 can be electrically connected to the electrode part of the earphone to be tested to power the earphone to be tested.
[0043] In the technical solution provided by the utility model, the test device 100 is used to test the earphone, including a seat body 1, an artificial ear component 2, a circulation tool 3 and a power supply component 4, wherein the artificial ear component 2 is arranged on the seat body 1, the artificial ear component 2 is formed with a sound input part, the sound input part is formed with a sound input port 21, the sound input port 21 is exposed to the outside of the seat body 1, the circulation tool 3 can be positioned and installed on the seat body 1, the circulation tool 3 is formed with a receiving cavity 321 inside, for receiving the earphone to be tested, and the sound mouth of the earphone to be tested is exposed to the outside of the circulation tool 3, and is arranged in alignment with the sound input port 21, the power supply component 4 includes a probe part 41 movably installed relative to the seat body 1, and the probe part 41 can be electrically connected to the electrode part of the earphone to be tested during the movable stroke of the probe part 41, so as to supply power to the earphone to be tested. Among them, exposure means being exposed to the outside and being connected to other components, and sound input means entering sound, receiving external sound into the artificial ear component 2. This enables fully automatic sound quality testing of headphones without the need for manual operation.
[0044] In this embodiment, in order to place the circulation tooling 3 at a designated position, the seat body 1 includes a seat body 11 and a positioning plate 12 disposed on the seat body 11, and the sound inlet 21 exposes the positioning plate 12 outwardly; the test device 100 includes a positioning matching structure, and the positioning matching structure includes a positioning column and a positioning hole that are plugged and matched with each other, and one of the positioning column and the positioning hole is disposed on the positioning plate 12, and the other is disposed on the circulation tooling 3. In this way, the circulation tooling 3 can be positioned at a designated position. In another embodiment, the positioning matching structure may also include a buckle and a matching portion, one of which is disposed on the positioning plate 12, and the other is disposed on the circulation tooling 3.
[0045] See also Figure 2, the circulation tooling 3 includes an outer frame 31, an inner body 32 and a sealing sleeve body 33. The outer frame 31 is provided with an installation cavity 311, and the bottom wall of the installation cavity 311 is provided with a through hole; the inner body 32 is arranged in the installation cavity 311, and the accommodating cavity 321 is formed in the inner body 32; and the upper end of the sealing sleeve body 33 is used to seal between the accommodating cavity 321 and the sound mouth of the earphone to be tested, and the lower end is sealed between the through hole and the sound input part. In this way, in this embodiment, the inner body 32 and the outer frame 31 are provided, and the outer frame 31 can reduce the risk of damage to the inner body 32 and the sealing sleeve body 33 caused by external impact and the like, and the structure is simple, and the sealing sleeve body 33 is convenient for disassembly and assembly.
[0046] Further, the material of the outer frame 31 includes acrylic; and / or, the material of the inner body 32 and / or the sealing sleeve body 33 includes silicone. In this embodiment, the acrylic material has high light transmittance and is not fragile and can resist external impact. It is not fragile and has good plasticity. Obviously, the material is not limited to this, and materials such as glass can also be used. In this embodiment, the material of the sealing sleeve body 33 is preferably silicone with a hardness of 30. It has good sealing performance, avoids the risk of leakage after the earphone makes sound, and thus enables the artificial ear component 2 to receive more realistic sound and more accurate testing.
[0047] See also Figure 3 In this embodiment, an annular convex portion 331 is formed on the sealing sleeve body 33 to cooperate with the annular groove on the inner wall of the installation cavity 311 of the outer frame body 31; so that the sealing sleeve body 33 can be detachably installed in the inner wall of the installation cavity 311. In another embodiment, a groove can be provided on the sealing sleeve body 33, and a convex portion is correspondingly provided on the inner wall of the installation cavity 311. A strip-shaped convex portion 332 extending in the up-down direction is also formed on the sealing sleeve body 33 to cooperate with the strip-shaped groove provided in the inner wall surface of the accommodating cavity 321. So that the sealing sleeve body 33 can be detachably installed in the accommodating cavity 321. In another embodiment, a groove can be provided on the sealing sleeve body, and a convex portion can be provided on the inner wall surface of the accommodating cavity 321. The strip-shaped convex portion 332 is inclined to fit the shape of the sealing sleeve body 33, which is convenient for removal.
[0048] In addition, see Figure 1In this embodiment, the test device 100 further includes a limiting portion 5 that can move relative to the seat body 1, and the limiting portion 5 can move to be positioned and installed above the circulation tooling 3 to press down the circulation tooling 3. After the circulation tooling 3 reaches the positioning plate 12 for positioning, in order to further avoid the risk of the earphone in the circulation tooling 3 shaking during power supply and testing, the limiting portion 5 is pressed downward into the circulation tooling 3 from above.
[0049] Furthermore, the limiting portion 5 includes a limiting plate 5a, on which a revealing avoidance hole 5a1 is provided for allowing the electrodes of the earphone to be tested to be exposed outward. The limiting plate 5a can be pressed in from top to bottom perpendicularly to the circulation tooling 3. The outer side surface of the limiting plate 5a that presses downward is spaced from the side surface of the circulation tooling 3 that is pressed in the vertical direction, and both are arranged on a plane perpendicular to the vertical direction.
[0050] In addition, see Figure 1 In this embodiment, the test device 100 further includes a connecting seat 6, a mounting seat 7 and a placement seat 8. The connecting seat 6 is mounted on the seat body 1; the mounting seat 7 is movably mounted on the connecting seat 6 in the horizontal direction; and the placement seat 8 is movably mounted on the mounting seat 7 in the up-down direction, and the limiting plate 5a is arranged on the placement seat 8. In this way, the limiting plate 5a can be installed on the placement seat 8, the placement seat 8 is movably mounted on the mounting seat 7 in the up-down direction, and the limiting plate 5a moves up and down on the mounting seat 7 along with the placement seat 8. Then, in this embodiment, the mounting seat 7 is also movably mounted on the connecting seat 6 in the horizontal direction, so that the limiting plate 5a can move in the horizontal direction relative to the connecting seat 6, so that the limiting plate 5a can move in the horizontal direction to avoid placing the circulation tooling 3, and the limiting plate 5a can also move in the up-down direction to limit the circulation tooling 3.
[0051] Furthermore, the probe part 41 is movably mounted on the limiting plate 5a along a straight line direction so that the probe part 41 can face and contact the electrode part of the earphone to be tested. The straight line direction is the normal direction of the electrode part exposed outward. In this way, corresponding to the angle of the sealing sleeve body 33, the probe part 41 moves along the straight line direction to power the sound mouthpiece of the earphone to be tested in the sealing sleeve body 33 and activate it to emit sound.
[0052] Further, in this embodiment, the test device 100 includes a first linear drive device 101, a second linear drive device 102 and a third linear drive device 103, wherein the first linear drive device 101 is disposed between the mounting seat 7 and the connecting seat 6, the second linear drive device 102 is disposed between the placement seat 8 and the mounting seat 7, and the third linear drive device 103 is at least partially disposed between the limit plate 5a and the probe portion 41, and the test device 100 includes a circuit board, and the circuit board is electrically connected to the first linear drive device 101, the second linear drive device 102 and the third linear drive device 103. The first linear drive device 101 is used to drive the mounting seat 7 to move horizontally relative to the connecting seat 6, the second linear drive device 102 is used to drive the placement seat 8 to move up and down relative to the mounting seat 7, and the third drive device is used to move the probe portion 41 relative to the limit plate 5a, wherein, in one embodiment, the drive device includes a drive cylinder, and in another embodiment, the drive device includes a drive motor.
[0053] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.
Claims
1. A testing device for testing headphones, characterized in that: include: seat body; An artificial ear component is arranged on the seat body, the artificial ear component is formed with a sound input part, the sound input part is formed with a sound input port, and the sound input port is exposed outward from the seat body; A circulation tool can be positioned and installed on the seat body, and a receiving cavity is formed inside the circulation tool for receiving the earphone to be tested, and the sound mouth of the earphone to be tested can be exposed from the circulation tool and arranged in alignment with the sound inlet; and The power supply component comprises a probe part movably mounted relative to the seat body. During the movable stroke of the probe part, the probe part can be electrically connected to the electrode part of the earphone to be tested to supply power to the earphone to be tested.
2. The testing device according to claim 1, characterized in that: The seat body comprises a seat body and a positioning plate arranged on the seat body, and the sound inlet exposes the positioning plate outwardly; The testing device comprises a positioning matching structure, and the positioning matching structure comprises a positioning column and a positioning hole which are plugged and matched with each other. One of the positioning column and the positioning hole is arranged on the positioning plate, and the other is arranged on the circulation tooling.
3. The testing device according to claim 1, characterized in that: The circulation tooling comprises: The outer frame is provided with a mounting cavity, and the bottom wall of the mounting cavity is provided with a through hole; An internal body is disposed in the installation cavity, and the receiving cavity is formed in the internal body; and The sealing sleeve body has an upper end for sealing between the accommodating cavity and the sound mouthpiece of the earphone to be tested, and a lower end for sealing between the via hole and the sound input part.
4. The testing device according to claim 3, characterized in that: The material of the outer frame includes acrylic; and / or, The material of the inner body and / or the sealing sleeve body includes silicone.
5. The testing device according to claim 3, characterized in that: The sealing sleeve body is formed with an annular protrusion to cooperate with an annular groove provided on the inner wall of the mounting cavity of the outer frame body; and / or, A strip-shaped convex portion extending in the up-down direction is also formed on the sealing sleeve body to cooperate with a strip-shaped groove arranged in the inner wall surface of the accommodating cavity.
6. The testing device according to claim 1, characterized in that: The testing device further comprises a limiting portion that can move relative to the seat body, and the limiting portion can move to be positioned and installed above the circulation tooling to press the circulation tooling downward.
7. The testing device according to claim 6, characterized in that: The limiting part comprises a limiting plate, and an exposure avoidance hole is arranged on the limiting plate to allow the electrodes of the earphone to be tested to be exposed outwardly.
8. The testing device according to claim 7, characterized in that: The testing device also includes: A connecting seat, mounted on the seat body; A mounting base is movably mounted on the connecting base in a horizontal direction; and A mounting seat, movably mounted on the mounting seat in an up-and-down direction; The limiting plate is arranged on the placement seat.
9. The testing device according to claim 8, characterized in that: The probe part is movably mounted on the limiting plate along a straight line direction, so that the probe part can face and contact the electrode part of the earphone to be tested.
10. The testing device according to claim 9, characterized in that: The testing device comprises a first linear drive device, a second linear drive device and a third linear drive device, wherein the first linear drive device is arranged between the mounting seat and the connecting seat, the second linear drive device is arranged between the placement seat and the mounting seat, and the third linear drive device is at least partially arranged between the limiting plate and the probe part; The testing device includes a circuit board, and the circuit board is electrically connected to the first linear drive device, the second linear drive device, and the third linear drive device.