Electromagnetic shielding testing device for nanotube

Abstract

The invention relates to the technical field of test equipment, in particular to an electromagnetic shielding test device for nanotubes, which comprises a base, a test box, a signal transmitting module, a placement mechanism, a control mechanism, a receiving mechanism and a signal analyzer, the base is fixedly connected with the test box, the signal transmitting module is fixedly connected with the top surface in the test box, the receiving mechanism is fixedly connected with the bottom surface in the test box, the placing mechanism is located between the signal transmitting module and the receiving mechanism, the placing mechanism is used for placing a nanotube and can adjust the angle of the nanotube, and the control mechanism is fixedly connected with the test box. The signal analyzer is in signal connection with the receiving mechanism, the signal analyzer is fixedly connected with the base, and the nanotube can be adjusted at any angle in a three-dimensional space through an X-axis adjusting assembly and a Z-axis adjusting assembly in the placing mechanism in combination with the switching assembly, so that multi-direction and multi-angle electromagnetic shielding testing can be performed on the nanotube; and the accuracy and comprehensiveness of a test result are remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of testing equipment technology, and in particular to an electromagnetic shielding testing device for nanotubes. Background Technology

[0002] Electromagnetic shielding refers to the use of shielding bodies to surround electromagnetically sensitive components, equipment, or circuits to suppress the propagation of electromagnetic waves in space, thereby reducing electromagnetic interference. Electromagnetic shielding testing is crucial for evaluating the shielding effectiveness of nanotube materials. It can measure the shielding effect of nanotubes under electromagnetic waves of different frequencies and determine whether they meet the electromagnetic compatibility requirements of specific equipment.

[0003] However, existing devices have relatively simple methods for fixing test materials, usually only allowing for simple planar rotation or limited angle adjustment, and cannot achieve multi-degree-of-freedom adjustment in three-dimensional space. This results in limited test angles, making it difficult to simulate the multi-directional electromagnetic field environment faced by nanotubes in real applications, thus affecting the accuracy and comprehensiveness of test results. Most devices do not integrate temperature and humidity control functions, making it impossible to assess the impact of environmental conditions (such as humidity and temperature) on the electromagnetic shielding performance of nanotubes, which limits the applicability and reliability of the test. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the problem that the existing devices have a relatively simple way of fixing the test material, which can usually only perform simple planar rotation or limited angle adjustment, and cannot achieve multi-degree-of-freedom adjustment in three-dimensional space. The present invention provides an electromagnetic shielding test device for nanotubes.

[0005] The technical solution adopted by the present invention to solve its technical problem is: an electromagnetic shielding test device for nanotubes, including a base, a test box, a signal transmitting module, a placement mechanism, a control mechanism, a receiving mechanism, and a signal analyzer; The base and test chamber are fixedly connected. The test chamber has a placement slot, in which the signal transmitting module, placement mechanism, and receiving mechanism are all arranged. The signal transmitting module is fixedly connected to the top surface of the test chamber, and the receiving mechanism is fixedly connected to the bottom surface of the test chamber. The placement mechanism is located between the signal transmitting module and the receiving mechanism. The placement mechanism is used to place nanotubes and can adjust the angle of the nanotubes. The control mechanism is fixedly connected to the test chamber, and the signal analyzer is connected to the receiving mechanism. The signal analyzer is fixedly connected to the base. Through the X-axis and Z-axis adjustment components in the placement mechanism, combined with the switching component, the nanotubes can be adjusted at any angle in three-dimensional space, thereby performing multi-directional and multi-angle electromagnetic shielding tests on the nanotubes, significantly improving the accuracy and comprehensiveness of the test results.

[0006] To address the issue that angle adjustment mechanisms only support single-axis or simple rotation and cannot achieve multi-degree-of-freedom adjustment in three-dimensional space, a further component is included: a placement mechanism comprising a motor, a first drive shaft, an X-axis adjustment component, a Z-axis adjustment component, and a fixing component. The motor and the test box are fixedly connected, and the output end of the motor is driven by the first drive shaft. The first drive shaft is driven by the X-axis adjustment component or the Z-axis adjustment component through a switching component. The motor provides power for the rotation of the X-axis adjustment component or the Z-axis adjustment component. The Z-axis adjustment component is arranged on the adjustment end of the X-axis adjustment component, and the fixing component is arranged on the adjustment end of the Z-axis adjustment component. The fixing component is used to fix the nanotube.

[0007] To address the issues of low efficiency and error-proneness associated with manual angle adjustment switching, the system further includes a switching component comprising an oil tank, a bidirectional hydraulic pump, a first slider, a second drive shaft, a second slider, a first transmission gear, and a first bevel gear. The first drive shaft has a hydraulic groove. The oil tank and base are fixedly connected. One port of the bidirectional hydraulic pump is connected to the oil tank, and the other port is connected to the hydraulic groove. The first slider is slidably arranged within the hydraulic groove. The second slider and the first drive shaft are slidably connected. One end of the second drive shaft is connected to the first slider, and the other end is connected to the second slider. Both the first transmission gear and the first bevel gear are arranged on the second slider. The first transmission gear is used for transmission connection with the input end of the X-axis adjustment component, and the first bevel gear is used for transmission connection with the input end of the Z-axis adjustment component. The bidirectional hydraulic pump provides power for the first transmission gear to connect to the X-axis adjustment component or the first bevel gear to connect to the Z-axis adjustment component. The switching assembly also includes a first spring, which is sleeved on the second drive shaft. One end of the first spring is connected to the first drive shaft, and the other end is connected to the second slider.

[0008] To address the issue of insufficient transmission stability due to the simple X-axis adjustment structure, the X-axis adjustment assembly further includes a first mounting plate, a connecting shaft, and a second transmission gear. The second transmission gear is arranged on the first mounting plate, which is rotatably connected to the test box via the connecting shaft. The second transmission gear is arranged on the first mounting plate and is used to mesh with the first transmission gear.

[0009] To address the issue of incomplete spatial angle coverage caused by insufficient Z-axis adjustment or incompatibility with X-axis adjustment, a Z-axis adjustment assembly is further included, comprising a second mounting plate, a second bevel gear, a third transmission rod, a fourth transmission rod, and a fifth transmission rod. The third transmission rod is rotatably connected to the first mounting plate. The second bevel gear is arranged on the third transmission rod and meshes with the first bevel gear. The fourth transmission rod is rotatably connected to the second mounting plate. The third transmission rod is rotatably connected to the fourth transmission rod. One end of the fifth transmission rod is rotatably connected to the first mounting plate, and the other end is fixedly connected to the second mounting plate. The axes of the second and third transmission rods are perpendicular to each other, as are the axes of the third and fourth transmission rods. The axes of the fourth and fifth transmission rods are also perpendicular to each other.

[0010] To address the issues of unstable fixation, easy slippage, or damage to nanotubes, a further fixing assembly is included, comprising a first fixing block, a second fixing block, a screw, a second spring, and a washer. The first fixing block and the second mounting plate are fixedly connected, the second fixing block and the first fixing block are slidably connected, the screw and the first fixing block are rotatably connected, and the screw and the second fixing block are threadedly connected. The first fixing block and the second fixing block are used to clamp the nanotube. The washer is arranged at the ends of the first fixing block and the second fixing block that are in contact with the nanotube. The second spring is sleeved on the screw, with one end connected to the first fixing block and the other end connected to the second fixing block. A V-shaped groove is formed on the washer near the nanotube.

[0011] To address the issue of incomplete test data due to the limited range of received signals, a receiving mechanism is further included, comprising a fixed base and several probes. The fixed base and the placement slot are fixedly connected. The fixed base is annular and has an inclined surface. The probes are fixedly connected to the inclined surface.

[0012] To address the issues of being unable to simulate temperature and humidity environments and having limited testing conditions, a control mechanism is further included, comprising a fan, humidifier, water tank, heating element, baffle, rotating shaft, connecting rod, and counterweight. The fan is fixedly connected to the test chamber, the humidifier is connected to the water tank via piping, the fan has an installation slot, the heating element is placed in the installation slot, the baffle is fixedly connected to the rotating shaft, the rotating shaft is rotatably connected to the test chamber, the connecting rod is fixedly connected to the baffle, and the counterweight is fixedly connected to the connecting rod.

[0013] The beneficial effects of the present invention are: The electromagnetic shielding test device for nanotubes provided by the present invention, through the X-axis and Z-axis adjustment components in the placement mechanism, combined with the switching component, can realize the arbitrary angle adjustment of nanotubes in three-dimensional space, thereby performing electromagnetic shielding tests on nanotubes in multiple directions and angles, significantly improving the accuracy and comprehensiveness of the test results; The humidifier converts water in the tank into water vapor, which is then blown into the test chamber's placement slot by a fan. This alters the humidity within the placement slot. By activating the heating element inside the installation slot, the fan generates airflow, which in turn blows heated air into the placement slot, thus controlling the temperature within the slot. This allows for testing the electromagnetic shielding performance of nanotubes under different humidity and temperature conditions, thereby detecting the impact of humidity and temperature on the electromagnetic shielding performance of nanotubes. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the test chamber of the present invention; Figure 3 This is a schematic diagram of the placement mechanism of the present invention; Figure 4 yes Figure 3 A magnified view of part A; Figure 5 This is a schematic diagram of the structure of gear No. 1 and gear No. 2 of the present invention; Figure 6 This is a schematic diagram of the structure of the fixing unit of the present invention; Figure 7 This is a schematic diagram of the structure of the gasket of the present invention; Figure 8 This is a schematic diagram of the control mechanism of the present invention; Figure 9 yes Figure 8 A magnified view of a portion of B.

[0016] In the picture: 1. Base; 2. Test chamber, 21. Placement slot; 3. Signal transmitting module; 4. Placement mechanism; 41. Motor; 42. First drive shaft; 421. Hydraulic tank. 43. X-axis adjustment assembly; 431. First mounting plate; 432. Connecting shaft; 433. Second transmission gear. 44. Z-axis adjustment assembly; 441. Second mounting plate; 442. Second bevel gear; 443. Third transmission rod; 444. Fourth transmission rod; 445. Fifth transmission rod. 45. Fixing component; 451. First fixing block; 452. Second fixing block; 453. Screw; 454. Second spring; 455. Washer; 4551. V-groove. 46. ​​Switching component; 461. Oil tank; 462. Two-way hydraulic pump; 463. First slider; 464. Second drive shaft; 465. Second slider; 466. First drive gear; 467. First bevel gear; 468. First spring. 5. Control mechanism; 51. Fan; 511. Mounting slot; 52. Humidifier; 53. Water tank; 54. Heating element; 55. Baffle; 56. Rotating shaft; 57. Connecting rod; 58. Counterweight. 6. Receiving mechanism; 61. Fixing base; 611. Inclined surface; 62. Probe; 7. Signal analyzer. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the invention, and therefore only show the components relevant to the invention.

[0018] like Figure 1 This is a schematic diagram of the structure of the present invention, an electromagnetic shielding test device for nanotubes, including a base 1, a test box 2, a signal transmitting module 3, a placement mechanism 4, a control mechanism 5, a receiving mechanism 6, and a signal analyzer 7. The base 1 and the test box 2 are fixedly connected. The test box 2 has a placement slot 21. The signal transmitting module 3, the placement mechanism 4, and the receiving mechanism 6 are all arranged in the placement slot 21. The signal transmitting module 3 is fixedly connected to the top surface of the test box 2, and the receiving mechanism 6 is fixedly connected to the bottom surface of the test box 2. The placement mechanism 4 is located between the signal transmitting module 3 and the receiving mechanism 6. The placement mechanism 4 is used to place the nanotube and can adjust the angle of the nanotube. The control mechanism 5 is fixedly connected to the test box 2. The signal analyzer 7 is connected to the receiving mechanism 6. The signal analyzer 7 is fixedly connected to the base 1. Through the X-axis adjustment component 43 and the Z-axis adjustment component 44 in the placement mechanism, combined with the switching component 45, the nanotube can be adjusted at any angle in three-dimensional space, thereby performing multi-directional and multi-angle electromagnetic shielding tests on the nanotube, significantly improving the accuracy and comprehensiveness of the test results.

[0019] The test chamber 2 and the signal analyzer 7 are fixed on the base 1. The nanotube is fixed on the placement mechanism 4 placed in the placement slot 21. The nanotube can be adjusted at any angle in three-dimensional space by the placement mechanism 4, so as to perform multi-angle testing on the nanotube and thus ensure the accuracy of the test results. The temperature and humidity in the placement slot 21 are changed by the control mechanism 5 to realize the testing of the electromagnetic shielding performance of the nanotube under different humidity and temperature. The electromagnetic signal is emitted by the signal transmitting module 3 fixed on the top of the placement slot 21. The electromagnetic signal passes through the placement mechanism 4 and the nanotube. The electromagnetic signal emitted by the signal transmitting module 3 is received by the receiving mechanism 6 at the bottom. The electromagnetic signal received by the receiving mechanism 6 is transmitted to the signal analyzer 7 through the signal line for analysis.

[0020] like Figure 2-4 As shown, the placement mechanism 4 includes a motor 41, a first drive shaft 42, an X-axis adjustment component 43, a Z-axis adjustment component 44, and a fixing component 45. The motor 41 is fixedly connected to the test box 2. The output end of the motor 41 is connected to the first drive shaft 42. The first drive shaft 42 is connected to the X-axis adjustment component 43 or the Z-axis adjustment component 44 via a switching component 46. The motor 41 provides power for the rotation of the X-axis adjustment component 43 or the Z-axis adjustment component 44. The Z-axis adjustment component 44 is arranged on the adjustment end of the X-axis adjustment component 43. The fixing component 45 is arranged on the adjustment end of the Z-axis adjustment component 44. The fixing component 45 is used to fix the nanotube. By driving the X-axis adjustment component 43 and the Z-axis adjustment component 44 through the motor 41, the nanotube can be accurately positioned in three-dimensional space, meeting the multi-directional testing requirements.

[0021] The switching assembly 46 includes an oil tank 461, a bidirectional hydraulic pump 462, a first slider 463, a second drive shaft 464, a second slider 465, a first drive gear 466, and a first bevel gear 467. A hydraulic groove 421 is formed inside the first drive shaft 42. The oil tank 461 is fixedly connected to the base 1. One port of the bidirectional hydraulic pump 462 is connected to the oil tank 461, and the other port is connected to the hydraulic groove 421. The first slider 463 is slidably arranged within the hydraulic groove 421 and is sculpted to connect with the first drive shaft 42. The first slider 463 can be square. The structure is irregular. The second slider 465 and the first drive shaft 42 are slidably connected. One end of the second drive shaft 464 is connected to the first slider 463, and the other end is connected to the second slider 465. The first drive gear 466 and the first bevel gear 467 are both arranged on the second slider 465. The first drive gear 466 is used to drive the input end of the X-axis adjustment component 43, and the first bevel gear 467 is used to drive the input end of the Z-axis adjustment component 44. The bidirectional hydraulic pump 462 is used to provide power for the first drive gear 466 to drive the X-axis adjustment component 43 or the first bevel gear 467 to drive the Z-axis adjustment component 44. The switching assembly 46 also includes a first spring 468, which is sleeved on the second drive shaft 464. One end of the first spring 468 is connected to the first drive shaft 42, and the other end is connected to the second slider 465. The hydraulically driven switching assembly 46 automatically switches the adjustment modes of the X-axis adjustment assembly 43 and the Z-axis adjustment assembly 44, improving operating efficiency and reliability. The first spring 468 assists in reset to ensure smooth switching.

[0022] The X-axis adjustment assembly 43 includes a first mounting plate 431, a connecting shaft 432, and a second transmission gear 433. The second transmission gear 433 is arranged on the first mounting plate 431. The first mounting plate 431 is rotatably connected to the test box 2 via the connecting shaft 432. The second transmission gear 433 is arranged on the first mounting plate 431 and is used to mesh with the first transmission gear 466. Through the cooperation of the first mounting plate 431, the connecting shaft 432, and the second transmission gear 433, stable rotational transmission in the X-axis direction is achieved, ensuring the angle adjustment accuracy.

[0023] The Z-axis adjustment assembly 44 includes a second mounting plate 441, a second bevel gear 442, a third transmission rod 443, a fourth transmission rod 444, and a fifth transmission rod 445. The third transmission rod 443 is rotatably connected to the first mounting plate 431. The second bevel gear 442 is arranged on the third transmission rod 443 and is used to mesh with the first bevel gear 467. The fourth transmission rod 444 is rotatably connected to the second mounting plate 441. The third transmission rod 443 and the fourth transmission rod 444 are rotatably connected. One end of the fifth transmission rod 445 is rotatably connected to the first mounting plate 431, and the other end is fixedly connected to the second mounting plate 441. The axis of the second transmission rod is perpendicular to the axis of the third transmission rod 443, the axis of the third transmission rod 443 is perpendicular to the axis of the fourth transmission rod 444, and the axis of the fourth transmission rod 444 is perpendicular to the axis of the fifth transmission rod 445. Through the vertical axis design of the second bevel gear 442 and the multiple transmission rods, Z-axis adjustment is achieved, and combined with X-axis adjustment, three-dimensional spatial angle coverage is completed.

[0024] like Figure 3 , Figure 6 and Figure 7As shown, the fixing assembly 45 includes a first fixing block 451, a second fixing block 452, a screw 453, a second spring 454, and a washer 455. The first fixing block 451 and the second mounting plate 441 are fixedly connected, the second fixing block 452 and the first fixing block 451 are slidably connected, the screw 453 and the first fixing block 451 are rotatably connected, and the screw 453 and the second fixing block 452 are threadedly connected. The first fixing block 451 and the second fixing block 452 are used to clamp the nanotube. The washer 455... The ends of the first fixing block 451 and the second fixing block 452 that are in contact with the nanotube are arranged. The second spring 454 is sleeved on the screw 453. One end of the second spring 454 is connected to the first fixing block 451 and the other end is connected to the second fixing block 452. A V-shaped groove 4551 is opened on the gasket 455 near the nanotube. The fixing assembly, which uses the screw 453 for pressure and the second spring 454 for buffering, combined with the gasket 455 of the V-shaped groove 4551, enhances the clamping force and prevents damage to the nanotube.

[0025] like Figure 2 As shown, the receiving mechanism 6 includes a fixed base 61 and several probes 62. The fixed base 61 and the placement slot 21 are fixedly connected. The fixed base 61 is annular and has an inclined surface 611. The probes 62 are fixedly connected to the inclined surface 611. The annular fixed base 61 and the probe design with inclined surface 611 enable multi-directional signal reception, improving the integrity and accuracy of test data. By providing several probes 61 and fixing them on the annular fixed base 62, the probes 61 can receive electromagnetic signals emitted by the signal transmitting module 3 from different positions and angles, thereby more comprehensively collecting electromagnetic information in the placement slot 21 and improving the accuracy of electromagnetic shielding testing. The inclined surface 621 on the fixed base 62 allows the probes 61 to face the center of the nanotube, thus more effectively receiving electromagnetic signals scattered or reflected by the nanotube.

[0026] like Figure 8 and Figure 9 As shown, the control mechanism 5 includes a fan 51, a humidifier 52, a water tank 53, a heating element 54, a baffle 55, a rotating shaft 56, a connecting rod 57, and a counterweight 58. The fan 51 is fixedly connected to the test chamber 2, the humidifier 52 is connected to the water tank 53 by pipes, the fan 51 is provided with an installation groove 511, the heating element 54 is placed in the installation groove 511, the baffle 55 is fixedly connected to the rotating shaft 56, the rotating shaft 56 is rotatably connected to the test chamber 2, the connecting rod 57 is fixedly connected to the baffle 55, and the counterweight 58 is fixedly connected to the connecting rod 57. Through the components such as the fan 51, humidifier 52, water tank 53, and heating element 54, the temperature and humidity inside the test chamber are precisely controlled, expanding the test application scenarios.

[0027] The temperature and humidity inside the test chamber 2 are detected by the built-in sensor. The humidifier 52 is connected to the water tank 53 by a pipe. The humidifier 52 is connected to the air outlet of the fan 51 by a pipe. The humidifier 52 converts the water in the water tank 53 into water vapor. The fan 51 is driven to generate airflow, which blows the water vapor into the placement slot 21 of the test chamber 2, thereby changing the humidity in the placement slot 21. By turning on the heating tube 54 in the mounting slot 511, the fan 51 is driven to generate airflow, which blows the heated air into the placement slot 21, thereby controlling the temperature in the placement slot 21. This allows for testing of the electromagnetic shielding performance of the nanotubes under different humidity and temperature conditions. The counterweight 58 and the second connecting rod 57 are fixedly connected. When the fan 51 stops working, the second connecting rod 57 is pulled by gravity, causing the baffle 55 to rotate along the rotating shaft 56, thereby closing the air outlet.

[0028] Working process: The nanotube sample is placed between the first fixing block 451 and the second fixing block 452 of the fixing component 45. The screw 453 is rotated to compress the second spring 454, and the nanotube is clamped by the V-groove 4551 on the gasket 455 to ensure the sample is stable. The motor is started, and the switching component 46 engages the first transmission gear 466 with the second transmission gear 433 of the X-axis adjustment component 43. The motor 41 drives the first mounting plate 431 to rotate around the connecting shaft 432, adjusting the angle of the nanotube in the X-axis direction. The switching component 46 engages the first bevel gear 467 with the second bevel gear 442 of the Z-axis adjustment component 44. The power of the motor 41 is transmitted through the third transmission rod 443, the fourth transmission rod 444 and the fifth transmission rod 445, driving the second mounting plate 441 to rotate, adjusting the angle of the nanotube in the Z-axis direction. By combining the X-axis and Z-axis adjustments, the nanotube can be positioned at any angle in three-dimensional space.

[0029] The humidifier 52 is activated to convert the water in the water tank 53 into water vapor. The fan 51 blows the water vapor into the placement slot 21 of the test chamber to regulate the humidity. The heating tube 54 is activated, and the fan 51 blows heated air into the placement slot 21 to regulate the temperature. The baffle 55 automatically adjusts the airflow channel under the action of the counterweight 58 to ensure a uniform environment. The signal transmission module 3 emits electromagnetic waves to the nanotube. The probe of the receiving mechanism 6 receives the penetration signal and transmits it to the signal analyzer for analysis to obtain electromagnetic shielding effectiveness data.

[0030] The signal analyzer 7 processes the data and outputs shielding performance curves and reports of nanotubes under different angles, temperatures, and humidity conditions.

[0031] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An electromagnetic shielding testing device for nanotubes, characterized in that, It includes a base (1), a test box (2), a signal transmitting module (3), a placement mechanism (4), a control mechanism (5), a receiving mechanism (6), and a signal analyzer (7); The base (1) and the test box (2) are fixedly connected. The test box (2) has a placement slot (21). The signal transmitting module (3), the placement mechanism (4) and the receiving mechanism (6) are all arranged in the placement slot (21). The signal transmitting module (3) and the top surface of the test box (2) are fixedly connected. The receiving mechanism (6) and the bottom surface of the test box (2) are fixedly connected. The placement mechanism (4) is located between the signal transmitting module (3) and the receiving mechanism (6). The placement mechanism (4) is used for placing nanotubes and can adjust the angle of the nanotubes. The control mechanism (5) and the test box (2) are fixedly connected. The signal analyzer (7) and the receiving mechanism (6) are signal connected. The signal analyzer (7) and the base (1) are fixedly connected.

2. The electromagnetic shielding testing device for nanotubes as described in claim 1, characterized in that: The placement mechanism (4) includes a motor (41), a first drive shaft (42), an X-axis adjustment component (43), a Z-axis adjustment component (44), and a fixing component (45). The motor (41) is fixedly connected to the test box (2). The output end of the motor (41) is connected to the first drive shaft (42). The first drive shaft (42) is connected to the X-axis adjustment component (43) or the Z-axis adjustment component (44) via a switching component (46). The motor (41) is used to provide power for the rotation of the X-axis adjustment component (43) or the Z-axis adjustment component (44). The Z-axis adjustment component (44) is arranged on the adjustment end of the X-axis adjustment component (43). The fixing component (45) is arranged on the adjustment end of the Z-axis adjustment component (44). The fixing component (45) is used to fix the nanotube.

3. The electromagnetic shielding testing device for nanotubes as described in claim 2, characterized in that: The switching assembly (46) includes an oil tank (461), a bidirectional hydraulic pump (462), a first slider (463), a second drive shaft (464), a second slider (465), a first drive gear (466), and a first bevel gear (467). A hydraulic groove (421) is formed inside the first drive shaft (42). The oil tank (461) is fixedly connected to the base (1). One port of the bidirectional hydraulic pump (462) is connected to the oil tank (461), and the other port is connected to the hydraulic groove (421). The first slider (463) is slidably arranged within the hydraulic groove (421), and the second slider (465)... The first drive shaft (42) is slidably connected to the first drive shaft (464). One end of the second drive shaft (464) is connected to the first slider (463), and the other end is connected to the second slider (465). The first drive gear (466) and the first bevel gear (467) are both arranged on the second slider (465). The first drive gear (466) is used to drive the X-axis adjustment assembly (43), and the first bevel gear (467) is used to drive the Z-axis adjustment assembly (44). The bidirectional hydraulic pump (462) is used to provide power for the first drive gear (466) to drive the X-axis adjustment assembly (43) or the first bevel gear (467) to drive the Z-axis adjustment assembly (44). The switching assembly (46) further includes a first spring (468), which is sleeved on the second drive shaft (464). One end of the first spring (468) is connected to the first drive shaft (42), and the other end is connected to the second slider (465).

4. The electromagnetic shielding testing device for nanotubes as described in claim 3, characterized in that: The X-axis adjustment assembly (43) includes a first mounting plate (431), a connecting shaft (432), and a second transmission gear (433). The second transmission gear (433) is arranged on the first mounting plate (431). The first mounting plate (431) is rotatably connected to the test box (2) through the connecting shaft (432). The second transmission gear (433) is arranged on the first mounting plate (431) and is used to mesh with the first transmission gear (466).

5. The electromagnetic shielding testing device for nanotubes as described in claim 4, characterized in that: The Z-axis adjustment assembly (44) includes a second mounting plate (441), a second bevel gear (442), a third transmission rod (443), a fourth transmission rod (444), and a fifth transmission rod (445). The third transmission rod (443) is rotatably connected to the first mounting plate (431). The second bevel gear (442) is arranged on the third transmission rod (443) and is used to mesh with the first bevel gear (467). The fourth transmission rod (444) is rotatably connected to the second mounting plate (441). The third transmission rod (443) and the fourth transmission rod (444) are rotatably connected. One end of the fifth transmission rod (445) is rotatably connected to the first mounting plate (431), and the other end is fixedly connected to the second mounting plate (441). The axis of the second transmission rod is perpendicular to the axis of the third transmission rod (443). The axis of the third transmission rod (443) is perpendicular to the axis of the fourth transmission rod (444). The axis of the fourth transmission rod (444) is perpendicular to the axis of the fifth transmission rod (445).

6. The electromagnetic shielding testing device for nanotubes as described in claim 5, characterized in that: The fixing component (45) includes a first fixing block (451), a second fixing block (452), a screw (453), a second spring (454), and a washer (455). The first fixing block (451) is fixedly connected to the second mounting plate (441), the second fixing block (452) is slidably connected to the first fixing block (451), the screw (453) is rotatably connected to the first fixing block (451), and the screw (453) is threadedly connected to the second fixing block (452). The fixing block (451) and the second fixing block (452) are used to clamp the nanotube. The gasket (455) is arranged at the end of the first fixing block (451) and the second fixing block (452) for contacting the nanotube. The second spring (454) is sleeved on the screw (453). One end of the second spring (454) is connected to the first fixing block (451), and the other end is connected to the second fixing block (452). A V-shaped groove (4551) is opened on the side of the gasket (455) near the nanotube.

7. The electromagnetic shielding testing device for nanotubes as described in claim 1, characterized in that: The receiving mechanism (6) includes a fixed base (61) and a plurality of probes (62). The fixed base (61) and the placement groove (21) are fixedly connected. The fixed base (61) is annular and has an inclined surface (611). The probes (62) and the inclined surface (611) are fixedly connected.

8. The electromagnetic shielding testing device for nanotubes as described in claim 1, characterized in that: The control mechanism (5) includes a fan (51), a humidifier (52), a water tank (53), a heating element (54), a baffle (55), a rotating shaft (56), a connecting rod (57), and a counterweight (58). The fan (51) is fixedly connected to the test chamber (2), the humidifier (52) is connected to the water tank (53) by pipes, the fan (51) is provided with an installation groove (511), the heating element (54) is placed in the installation groove (511), the baffle (55) is fixedly connected to the rotating shaft (56), the rotating shaft (56) is rotatably connected to the test chamber (2), the connecting rod (57) is fixedly connected to the baffle (55), and the counterweight (58) is fixedly connected to the connecting rod (57).

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