Test device

Abstract

This application relates to a testing device, comprising: a base; and a testing assembly including a movable base, a rotating arm, a testing arm, a testing piece, a first driving member, and a second driving member. The movable base is movably disposed on the base along a first direction. The first driving member is drivenly connected to the rotating arm, causing the rotating arm to rotate relative to the movable base about a first axis by a first preset angle, the first axis extending along a second direction. The second driving member is drivenly connected to the testing arm, causing the testing arm to rotate relative to the rotating arm about a second axis by a second preset angle, the testing piece being disposed on the testing arm, the extension direction of the second axis being perpendicular to the extension direction of the first axis. The first direction, the second direction, and the third direction are mutually perpendicular. By integrating the rotating arm, the testing arm, and the testing piece onto the movable base, and measuring the horizontal and vertical divergence angles of the laser by the relative rotation of the rotating arm and the testing arm, the testing process is simplified and testing time is saved.

Description

Technical Field

[0001] This application relates to the field of testing technology, and in particular to testing apparatus. Background Technology

[0002] The divergence angle of a laser refers to the angle at which the laser beam diameter expands with increasing distance during propagation. A smaller divergence angle indicates a more concentrated beam and a longer propagation distance. Conversely, a larger divergence angle causes the beam to spread rapidly, affecting its effectiveness and accuracy. The divergence angle of a semiconductor laser is an important parameter for evaluating its optical characteristics.

[0003] In related technologies, the divergence angle of a laser is detected using two components: one component tests the horizontal divergence angle, and the other component tests the vertical divergence angle.

[0004] However, the testing processes for the two components mentioned above are conducted separately, and the testing processes are cumbersome. Utility Model Content

[0005] Based on this, this application provides a testing device to solve the problem of the cumbersome process of laser divergence angle detection in related technologies.

[0006] This application provides a testing device, comprising: a base; and a testing assembly including a movable base, a rotating arm, a testing arm, a testing component, a first driving member, and a second driving member; the testing component is disposed on the testing arm, and the movable base is movably disposed on the base along a first direction; the first driving member is drivenly connected to the rotating arm, enabling the rotating arm to rotate relative to the movable base around a first axis at a first preset angle, thereby giving the rotating arm a first position and a second position, the first axis extending along a second direction; the second driving member is drivenly connected to the testing arm, enabling the testing arm to rotate relative to the rotating arm around a second axis at a second preset angle; when the rotating arm is in the first position, the second axis extends along a third direction, and when the rotating arm is in the second position, the second axis extends along the first direction; the first direction, the second direction, and the third direction are mutually perpendicular.

[0007] In one embodiment, the test assembly further includes an angle detection element, which is disposed between the rotating arm and the movable seat to detect the rotation angle of the rotating arm relative to the movable seat; and an angle detection element is disposed between the test arm and the rotating arm to detect the rotation angle between the rotating arm and the test arm.

[0008] In one embodiment, the angle detection device includes a transmitter, a first feedback end, and a second feedback end, wherein the transmitter is capable of sensing and engaging with the first feedback end and the second feedback end respectively; the first feedback end and the second feedback end are both disposed on the movable base and have a first preset angle, and the transmitter is disposed on the rotating arm; and / or, the first feedback end and the second feedback end are both disposed on the rotating arm and have a second preset angle, and the transmitter is disposed on the test arm.

[0009] In one embodiment, the test component further includes a controller, which is signal-connected to the first drive unit and the angle detection unit respectively, and the controller can control the working state of the first drive unit according to the detection signal of the angle detection unit; and / or, the controller is signal-connected to the second drive unit and the angle detection unit respectively, and the controller can control the working state of the second drive unit according to the detection signal of the angle detection unit.

[0010] In one embodiment, the rotating arm includes a first rotating plate and a first mounting plate connected to each other, with an included angle between the first rotating plate and the first mounting plate; the first rotating plate is rotatably disposed on the movable base, and the test arm is rotatably disposed on the first mounting plate, so that the base and the test arm are arranged at intervals along a second direction.

[0011] In one embodiment, the test assembly further includes a transmission element, through which a second drive element drives the test arm to rotate.

[0012] In one embodiment, the transmission component includes a transmission rod, a first transmission wheel, a transmission belt, and a second transmission wheel. A second driving component is disposed on a first rotating plate. The first end of the transmission rod is connected to the second driving component, and the second end of the transmission rod passes through a first mounting plate. The first transmission wheel is sleeved on the second end of the transmission rod. The transmission belt is sleeved on the outer periphery of the first and second transmission wheels. The second transmission wheel is disposed on a test arm.

[0013] In one embodiment, the test assembly further includes a reducer disposed on a movable base, a first drive member disposed on the reducer and connected to the reducer, and the reducer being connected to a rotating arm.

[0014] In one embodiment, the test arm includes a second rotating plate and a second mounting plate connected together, with an included angle between the second rotating plate and the second mounting plate; the second rotating plate is rotatably disposed on the rotating arm, and the test piece is disposed on the second mounting plate such that there is a distance between the test piece and the rotation axis of the second rotating plate.

[0015] In one embodiment, the first direction is a first horizontal direction, the second direction is a second horizontal direction, and the third direction is a vertical direction.

[0016] By applying the technical solution of this application, when testing the emission angle of a laser, the movable base is moved along a first direction on the base to the position corresponding to the laser, and the rotating arm is positioned in a first position. A second driving member drives the test arm to rotate relative to the rotating arm around a second axis by a second preset angle. The test piece can follow the rotation of the rotating arm, thus enabling the testing of the laser's emission angle in a third direction. A first driving member drives the rotating arm to rotate relative to the movable base by a first preset angle to a second position. The rotating arm simultaneously drives the test arm and the test piece to rotate. Then, the second driving member drives the test arm to rotate relative to the rotating arm around a second axis by a second preset angle, thus enabling the testing of the laser's divergence angle in a first direction. Compared to testing devices in related technologies, the testing device of this application integrates the rotating arm, test arm, and test piece on the movable base. The relative rotation of the rotating arm and test arm measures the laser's divergence angle in the first direction and a third direction, i.e., the horizontal and vertical divergence angles of the laser, simplifying the testing process and saving testing time. Attached Figure Description

[0017] Figure 1 A schematic diagram of the test apparatus provided in an embodiment of this application is shown.

[0018] Figure 2 An assembly diagram of the rotating arm and test arm provided in an embodiment of this application is shown.

[0019] Figure 3 An initial diagram of the test apparatus provided in this application for testing the divergence angle in the first direction is shown.

[0020] Figure 4 The diagram shows the results of the test apparatus provided in this application for testing the divergence angle in the first direction.

[0021] Figure 5 An initial diagram of the test apparatus provided in this application for testing a third-direction divergence angle is shown.

[0022] Figure 6 The diagram shows the results of a third-direction divergence angle test performed by the testing apparatus provided in this application embodiment.

[0023] Explanation of reference numerals in the attached figures:

[0024] 10. Base; 20. Test assembly; 21. Movable seat; 22. Rotating arm; 221. First rotating plate; 222. First mounting plate; 23. Test arm; 231. Second rotating plate; 232. Second mounting plate; 24. First driving component; 25. Second driving component; 26. Angle detection component; 261. Transmitting end; 262. First feedback end; 263. Second feedback end; 27. Transmission component; 271. Transmission rod; 272. First transmission wheel; 273. Transmission belt; 274. Second transmission wheel; 28. Reducer; 29. ​​Test piece. Detailed Implementation

[0025] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0026] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0027] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0028] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0029] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0030] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0031] See Figures 1 to 6 , Figure 1 A schematic diagram of the test apparatus provided in an embodiment of this application is shown. Figure 2 An assembly diagram of the rotating arm and test arm provided in an embodiment of this application is shown. Figure 3 An initial diagram of the test apparatus provided in this application for testing the divergence angle in the first direction X is shown. Figure 4 The diagram shows the results of the test apparatus provided in this application for testing the divergence angle in the first direction X. Figure 5 An initial diagram of the test apparatus provided in this application for testing the Z-divergence angle of a third party is shown. Figure 6This diagram shows the results of testing the divergence angle of a third direction Z using the testing device provided in an embodiment of this application. One embodiment of this application provides a testing device including a base 10 and a testing assembly 20. The testing assembly 20 includes a movable base 21, a rotating arm 22, a testing arm 23, a testing element 29, a first driving member 24, and a second driving member 25. The movable base 21 is movably disposed on the base 10 along a first direction X, and the testing element 29 is disposed on the testing arm 23. The first driving member 24 is drivenly connected to the rotating arm 22, enabling the rotating arm 22 to rotate relative to the movable base 21 around a first axis at a first preset angle, thus giving the rotating arm 22 a first position and a second position. The first axis extends along a second direction Y. The second driving member 25 is drivenly connected to the testing arm 23, enabling the testing arm 23 to rotate relative to the rotating arm 22 around a second axis at a second preset angle. When the rotating arm 22 is in the first position, the second axis extends along the third direction; when the rotating arm is in the second position, the second axis extends along the first direction. The first direction X, the second direction Y, and the third direction Z are mutually perpendicular.

[0032] By applying the technical solution of this application, when testing the emission angle of a laser, the movable base 21 is moved along the first direction X on the base 10 to the position corresponding to the laser, and the rotating arm 22 is positioned in the first position. The second driving member 25 drives the test arm 23 to rotate relative to the rotating arm 22 around the second axis by a second preset angle. The test piece 29 can follow the rotation of the rotating arm 22, thereby enabling the test piece 29 to test the emission angle of the laser in the third direction Z. The first driving member 24 drives the rotating arm 22 to rotate relative to the movable base 21 by the first preset angle to the second position. The rotating arm 22 simultaneously drives the test arm 23 and the test piece 29 to rotate. Then, the second driving member 25 drives the test arm 23 to rotate relative to the rotating arm 22 around the second axis by a second preset angle, thereby enabling the test piece 29 to test the divergence angle of the laser in the first direction X. Compared with the testing devices in related technologies, the testing device of this application integrates the rotating arm 22, the testing arm 23 and the test piece 29 on the movable seat 21. The relative rotation of the rotating arm 22 and the testing arm 23 measures the divergence angle of the laser in the first direction X and the third direction Z, that is, the horizontal divergence angle and the vertical divergence angle of the laser, which simplifies the testing process and saves testing time.

[0033] It should be noted that the testing process of the testing device has no specific order. The rotating arm 22 and the testing arm 23 can be rotated to appropriate positions respectively, and then the divergence angle of the laser in the first direction X is measured first, followed by the divergence angle in the third direction Z. Since it is necessary to measure the divergence angle of the laser in two mutually perpendicular directions, the first preset angle is 90°. In order to test the divergence angle of the laser in a specific direction, the initial position of the test piece 29 and the position of the test piece 29 after being rotated by the testing arm 23 should be in the first direction X or the third direction Z, that is, the second preset angle is 180°.

[0034] A test platform is set on one side of the base 10 in the second direction Y, and multiple lasers are set on the test platform. By making the movable seat 21 movable relative to the base 10 in the first direction X, the test component 20 can be moved to the position corresponding to any one of the lasers, so that the divergence angle test of multiple lasers can be performed continuously.

[0035] In some embodiments, depending on the actual arrangement, the first direction X is a first horizontal direction, the second direction Y is a second horizontal direction, and the third direction Z is a vertical direction. Of course, in other embodiments, the above three directions can be arbitrarily interchanged, depending on the actual arrangement of the testing device.

[0036] Wherein, the extension direction of the second axis is perpendicular to the extension direction of the first axis, including when the test device performs a divergence angle test of the laser in the first direction X, the second axis extends along the third direction Z; and when the test device performs a divergence angle test of the laser in the third direction Z, the second axis extends along the first direction X.

[0037] In some embodiments, in order to make the movement of the movable seat 21 smoother, one of the movable seat 21 and the base 10 is provided with a guide rail, and the other of the movable seat 21 and the base 10 is provided with a guide groove. Both the guide rail and the guide groove extend along the first direction X. The guide rail is inserted into the guide groove and can slide relative to the guide groove.

[0038] Combination Figure 2 As shown, the test assembly 20 also includes an angle detection element 26. The angle detection element 26 is disposed between the rotating arm 22 and the movable seat 21 to detect the rotation angle of the rotating arm 22 relative to the movable seat 21. By using the angle detection element 26 to detect the rotation angle of the rotating arm 22 relative to the movable seat 21, the rotating arm 22 can move within a first preset angle range, thus preventing over-rotation.

[0039] Combination Figures 1 to 3As shown, an angle detection element 26 is provided between the test arm 23 and the rotating arm 22 to detect the rotation angle between the rotating arm 22 and the test arm 23. By using the angle detection element 26 to detect the rotation angle of the test arm 23 relative to the rotating arm 22, the test arm 23 can move within a second preset angle range, thus preventing over-rotation.

[0040] The angle detection component 26 can be a sensor using existing mature technologies, such as photoelectric angle sensors, magnetoelectric angle sensors, and resistive angle sensors.

[0041] Combination Figure 3 As shown, the angle detection component 26 includes a transmitter 261, a first feedback end 262, and a second feedback end 263. The transmitter 261 can sense and cooperate with the first feedback end 262 and the second feedback end 263 respectively. The first feedback end 262 and the second feedback end 263 are both disposed on the movable base 21 and have a first preset included angle. The transmitter 261 is disposed on the rotating arm 22. With the above design, the first feedback end 262 and the second feedback end 263 correspond to the initial position before rotation and the position after rotation of the rotating arm 22, respectively. By sensing and cooperating with the two feedback ends, the rotation angle of the rotating arm 22 can be controlled, so that the rotating arm 22 stops at a suitable position.

[0042] Combination Figure 1 and Figure 3 As shown, the first feedback end 262 and the second feedback end 263 are both disposed on the rotating arm 22 and have a second preset included angle, while the transmitting end 261 is disposed on the test arm 23. With the above design, the first feedback end 262 and the second feedback end 263 correspond to the initial position before rotation and the position after rotation of the test arm 23, respectively. Furthermore, through the sensing cooperation between the transmitting end 261 and the two feedback ends, the rotation angle of the test arm 23 can be controlled, allowing the test arm 23 to remain in a suitable position.

[0043] The first preset included angle is the same as the first preset angle. The second preset included angle is the same as the second preset angle.

[0044] In other embodiments, the angle detection element 26 can also be configured with other structures. For example, when the angle detection element 26 adopts a resistive angle sensor, the resistive angle sensor may include a rotating shaft and an arc-shaped resistor, and the angle measurement is achieved by rotating the rotating shaft relative to the arc-shaped resistor.

[0045] Combination Figure 3 and Figure 4As shown, when the testing device tests the divergence angle of the laser, the first driving member 24 first rotates the rotating arm 22 to a suitable position. At this time, the emitting end 261 of the rotating arm 22 and the first feedback end 262 of the moving seat 21 are inductively engaged. The rotating arm 22 extends along the third direction Z. The second driving member 25 drives the test arm 23 to rotate 180° around the second axis extending along the third direction Z, and rotates it from one side of the rotating arm 22 to the other side, thereby realizing the divergence angle test of the laser in the first direction X. Figure 5 and Figure 6 As shown, the first driving member 24 then rotates the rotating arm 22 by 90°. At this time, the transmitting end 261 of the rotating arm 22 and the second feedback end 263 of the moving seat 21 are inductively engaged. The rotating arm 22 extends along the first direction X. The second driving member 25 drives the test arm 23 to rotate 180° around the second axis extending along the first direction X, and rotates from one side of the rotating arm 22 to the other side, thereby realizing the divergence angle test of the laser in the third direction Z.

[0046] In some embodiments, the test assembly 20 further includes a controller, which is signal-connected to the first drive member 24 and the angle detection member 26 respectively. The controller can control the working state of the first drive member 24 according to the detection signal of the angle detection member 26. With the above design, during the rotation of the rotating arm 22, the rotation angle of the rotating arm 22 is detected by the angle detection member 26 and the detection data is sent to the controller. When the rotating arm 22 rotates to a first preset angle, the controller can control the first drive member 24 according to the detection signal of the angle detection member 26, so that the first drive member 24 stops working, thereby stopping the rotation of the rotating arm 22, so as to realize the automated operation of the test device.

[0047] The controller is connected to both the second drive unit 25 and the angle detection unit 26. The controller can control the operating state of the second drive unit 25 based on the detection signal from the angle detection unit 26. With this design, during the rotation of the test arm 23, the angle detection unit 26 detects the rotation angle of the test arm 23 and sends the detection data to the controller. When the test arm 23 rotates to a first preset angle, the controller can control the second drive unit 25 based on the detection signal from the angle detection unit 26, causing the second drive unit 25 to stop working, thereby stopping the rotation of the test arm 23 and achieving automated operation of the testing device.

[0048] Combination Figure 1 and Figure 2As shown, the rotating arm 22 includes a first rotating plate 221 and a first mounting plate 222 connected to each other, with an included angle between them. The first rotating plate 221 is rotatably mounted on the movable base 21, and the test arm 23 is rotatably mounted on the first mounting plate 222, so that the base 10 and the test arm 23 are arranged at intervals along the second direction Y. With the above structure, the first mounting plate 222 can be used to arrange the test arm 23 and the test piece 29 on the side of the base 10 in the second direction Y, so as to reserve space for the rotation of the test arm 23 and prevent the base 10 from interfering with the testing process of the test piece 29.

[0049] In some embodiments, the test assembly 20 further includes a transmission member 27, through which the second drive member 25 drives the test arm 23 to rotate. The transmission member 27 facilitates the arrangement of the second drive member 25 and the test arm 23, making the design of the test device more rational.

[0050] Combination Figure 2 As shown, the transmission component 27 includes a first transmission wheel 272, a transmission belt 273, and a second transmission wheel 274. A second driving component 25 is disposed on a first rotating plate 221. The first transmission wheel 272, transmission belt 273, and second transmission wheel 274 are all rotatably mounted on the first mounting plate 222. The second driving component 25 is connected to the first transmission wheel 272. The transmission belt 273 is sleeved on the outer periphery of the first transmission wheel 272 and the second transmission wheel 274. The second transmission wheel 274 is connected to the test arm 23. Using this design, the second driving component 25 drives the first transmission wheel 272 to rotate. The first transmission wheel 272 can then drive the second transmission wheel 274 to rotate via the transmission belt 273. This, in turn, drives the test arm 23 to rotate relative to the first rotating plate 221 via the second transmission wheel 274, causing the test piece 29 to rotate with the test arm 23, thus achieving the measurement of the laser divergence angle.

[0051] In some embodiments, the transmission member 27 further includes a transmission rod 271, the first end of which is connected to the second drive member 25, and the first transmission wheel 272 is sleeved on the second end of the transmission rod 271. The transmission rod 271 can transmit the power of the second drive member 25 to the first transmission wheel 272, and it is beneficial to optimize the arrangement position of the second drive member 25.

[0052] Combination Figure 1 As shown, the test assembly 20 also includes a reducer 28, which is disposed on the movable base 21. A first drive member 24 is disposed on the reducer 28 and connected to the reducer 28. The reducer 28 is connected to the rotating arm 22. The reducer 28 can transmit the power of the first drive member 24 to the rotating arm 22, enabling the rotating arm 22 to have a suitable rotation speed.

[0053] Combination Figure 1and Figure 2 As shown, the test arm 23 includes a second rotating plate 231 and a second mounting plate 232 connected together, with an included angle between them. The second rotating plate 231 is rotatably mounted on the rotating arm 22, and the test piece 29 is mounted on the second mounting plate 232 such that there is a distance between the test piece 29 and the rotation axis of the second rotating plate 231. With this design, the distance between the test piece 29 and the rotation axis of the second rotating plate 231 is created by the second mounting plate 232, making the test piece 29 eccentrically positioned relative to the rotation axis. This allows the test piece 29 to rotate in a specific direction from one side of the laser to the other, thereby enabling the testing of the laser's divergence angle.

[0054] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0055] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A test device, characterized by The testing apparatus includes: Base; The testing assembly includes a movable base, a rotating arm, a testing arm, a testing component, a first driving member, and a second driving member. The movable base is movably disposed on the base along a first direction, and the testing component is disposed on the testing arm. The first driving member is drivenly connected to the rotating arm so that the rotating arm can rotate relative to the movable base about a first axis at a first preset angle, so that the rotating arm has a first position and a second position, and the first axis extends along a second direction. The second driving member is drivenly connected to the testing arm so that the testing arm can rotate relative to the rotating arm about a second axis at a second preset angle. When the rotating arm is in the first position, the second axis extends along a third direction. When the rotating arm is in the second position, the second axis extends along the first direction. The first direction, the second direction, and the third direction are mutually perpendicular.

2. The test device of claim 1, wherein, The testing assembly further includes an angle detection element, which is disposed between the rotating arm and the movable seat to detect the rotation angle of the rotating arm relative to the movable seat; the angle detection element is disposed between the testing arm and the rotating arm to detect the rotation angle of the rotating arm relative to the testing arm.

3. The test device of claim 2, wherein, The angle detection device includes a transmitter, a first feedback end, and a second feedback end. The transmitter can sense and cooperate with the first feedback end and the second feedback end respectively. The first feedback end and the second feedback end are both disposed on the movable base and have a first preset angle. The transmitter is disposed on the rotating arm. And / or, the first feedback end and the second feedback end are both disposed on the rotating arm and have a second preset angle. The transmitter is disposed on the test arm.

4. The test device of claim 2, wherein, The testing component further includes a controller, which is signal-connected to the first driving component and the angle detection component respectively, and the controller can control the working state of the first driving component according to the detection signal of the angle detection component; and / or, the controller is signal-connected to the second driving component and the angle detection component respectively, and the controller can control the working state of the second driving component according to the detection signal of the angle detection component.

5. The test device of claim 1, wherein, The rotating arm includes a first rotating plate and a first mounting plate connected to each other, with an included angle between the first rotating plate and the first mounting plate; the first rotating plate is rotatably disposed on the movable base, and the test arm is rotatably disposed on the first mounting plate, so that the base and the test arm are arranged at intervals along the second direction.

6. The test device of claim 5, wherein, The test assembly further includes a first drive wheel, a drive belt, and a second drive wheel. The second drive member is disposed on the first rotating plate. The first drive wheel, the drive belt, and the second drive wheel are all rotatably disposed on the first mounting plate. The second drive member is connected to the first drive wheel. The drive belt is sleeved on the outer periphery of the first drive wheel and the second drive wheel. The second drive wheel is connected to the test arm.

7. The test device of claim 6, wherein, The test assembly also includes a transmission rod, the first end of which is connected to the second driving component, and the first transmission wheel is sleeved on the second end of the transmission rod.

8. The test device of any one of claims 1 to 7, wherein, The test assembly also includes a speed reducer, which is disposed on the movable base. The first drive member is disposed on the speed reducer and connected to the speed reducer. The speed reducer is connected to the rotating arm.

9. The test device of any one of claims 1 to 7, wherein, The test arm includes a second rotating plate and a second mounting plate connected to each other, with an included angle between the second rotating plate and the second mounting plate; the second rotating plate is rotatably disposed on the rotating arm, and the test piece is disposed on the second mounting plate such that there is a distance between the test piece and the rotation axis of the second rotating plate.

10. The testing apparatus according to any one of claims 1 to 7, characterized in that, The first direction is a first horizontal direction, the second direction is a second horizontal direction, and the third direction is a vertical direction; and / or, The first preset angle is 90°, and the second preset angle is 180°.

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