Antenna module and its corresponding millimeter wave shielding box

Abstract

This divisional application relates to an antenna module and its corresponding millimeter wave shielding box, which includes a chassis, a front door module, a clamping module and an antenna module. The front door module is arranged on one side of the chassis and is used to seal the feed port during testing. One end of the clamping module is connected to the front door module, and the product is placed on the clamping module. The clamping module and the antenna module are both located in the chassis. The antenna module is provided with a moving device and an antenna. The moving device drives the antenna to move along the XYZ direction, and the antenna and the product on the clamping module are connected by telecommunication through the electromagnetic waves emitted by the antenna. The millimeter wave shielding box has a simple structure, convenient operation, accurate testing and low cost.

Description

[0001] This application is a divisional application. The application number of the original application is: "2021109450668", the application date is: "August 17, 2021", and the name of the invention is: "Millimeter wave shielding box that is easy to install and disassemble". Technical Field

[0002] The present invention relates to the technical field of testing and manufacturing, and in particular to an antenna module and a corresponding millimeter wave shielding box. Background Art

[0003] The fifth generation of communication technology has higher reliability and lower latency, and can meet the specific needs of industry applications such as intelligent manufacturing and autonomous driving, broaden the development space of integrated industries, and support the innovative development of the economy and society. At the same time, the communication frequency band of the fifth generation of mobile communication products is 700MHz~60GHz, and the range of product testing is wider and higher. Therefore, the testing of the fifth generation of communication products is more rigorous. The existing technology for testing 5G millimeter wave terminals usually uses microwave darkrooms to measure RF performance. However, microwave darkrooms are large in size, expensive, complex in design, and require high operating skills of personnel. In addition, they are economically burdensome and costly for small enterprises.

[0004] Therefore, it is necessary to provide an antenna module and a corresponding millimeter wave shielding box to solve the above problems. Summary of the invention

[0005] The present invention relates to an antenna module and a corresponding millimeter wave shielding box, the millimeter wave shielding box comprising a chassis, a front door module, a clamping module and an antenna module. The front door module is arranged on one side of the chassis, and is used to seal the feed port during testing. One end of the clamping module is connected to the front door module, and the product is placed on the clamping module, and the clamping module and the antenna module are both located in the chassis. The antenna module is provided with a moving device and an antenna, and the moving device drives the antenna to move along the XYZ direction, and the antenna and the product on the clamping module are connected by telecommunication through the electromagnetic waves emitted by the antenna. The millimeter wave shielding box has a simple structure, convenient operation, accurate testing and low cost, which solves the problem of large size, high cost and complex design of microwave darkroom in the prior art, resulting in high cost.

[0006] To solve the above problems, the present invention provides an antenna module for performing communication detection on a product, comprising:

[0007] A mobile device, the mobile device comprising a mobile platform, an X-axis mobile unit, a Y-axis mobile unit and a Z-axis mobile unit; the X-axis mobile unit is arranged on the mobile platform; the Y-axis mobile unit is arranged on the X-axis mobile unit; the Z-axis mobile unit is arranged on the Y-axis mobile unit, and the antenna is slidably connected to the Z-axis mobile unit; and,

[0008] Antenna, the moving device is used to drive the antenna to move along the XYZ direction, the antenna is used to emit electromagnetic waves, and the antenna is connected to the product to be tested by telecommunication;

[0009] Among them, the X-axis moving unit is provided with an X-axis guide rail and an X-axis slider, the X-axis guide rail is arranged on the moving platform, and the X-axis slider is slidably connected to the X-axis guide rail; the Y-axis moving unit is provided with a connecting plate, a Y-axis guide rail and a Y-axis slider, the connecting plate is provided with a connecting end and a supporting end, the connecting end is bolted to the X-axis slider, the supporting end is suspended on the moving platform, the Y-axis guide rail is arranged on the side of the supporting end away from the moving platform, and the Y-axis slider is slidably connected to the Y-axis guide rail; the Z-axis moving unit is provided with a supporting plate, a Z-axis guide rail and a Z-axis slider, one end of the supporting plate is connected to the Y-axis slider, the Z-axis guide rail is arranged on one side of the supporting plate, the Z-axis slider is slidably connected to the Z-axis guide rail, and the antenna is connected to the Z-axis slider.

[0010] In the antenna module described in the present invention, the X-axis guide rail is provided with a first guide plate and a second guide plate, and the first guide plate is provided between the second guide plate and the mobile platform. The second guide plate is provided as a rectangular parallelepiped structure, and the width of the second guide plate is smaller than the width of the first guide plate. Inclined surfaces are provided on both sides of the length direction of the first guide plate, and the width of the contact surface between the first guide plate and the second guide plate is smaller than the width of the contact surface between the first guide plate and the mobile platform, providing a guiding function to prevent tilting during sliding. The X-axis slider and the X-axis guide rail are provided with grooves corresponding to the X-axis slider, and the first guide plate and the second guide plate pass through the grooves and are tightly attached to the side walls of the grooves, so that the connection between the X-axis slider and the X-axis guide rail is stable.

[0011] Furthermore, a first screw and a second screw are respectively provided on both sides of the X-axis slider, the Y-axis slider and the Z-axis slider, one end of the first screw is threadedly connected to one side of the X-axis slider and is extrudedly connected to the second guide plate, and the second screw is threadedly connected to the other side of the X-axis slider and is extrudedly connected to the first guide plate, so as to prevent displacement changes during the test and affect the test accuracy.

[0012] Furthermore, a convex ring is provided at the end of the first screw rod, and the convex ring is used for screwing the first screw rod in and out, which is convenient to operate and improves the efficiency of installation.

[0013] Furthermore, the end of the second screw is provided with a lug and a body, the lug is provided on one side of the body, and the lug is used for screwing the second screw in and out, which is convenient to operate and improves the efficiency of installation.

[0014] Furthermore, the size of the second screw is smaller than that of the first screw, thereby saving costs.

[0015] Furthermore, the Z-axis guide rail, the X-axis guide rail, and the Y-axis guide rail have the same structure, and the X-axis slider, the Y-axis slider, and the Z-axis slider have the same structure. A connecting groove is provided on the mobile platform, and the X-axis guide rail is provided in the connecting groove. The Y-axis is provided on the support end, and the Z-axis guide rail is provided on the side of the support plate. This facilitates installation and saves costs.

[0016] Furthermore, the antenna is provided with a first rod segment, a second rod segment and a rotating shaft, and the first rod segment and the second rod segment are rotatably connected through the rotating shaft, which is used to adjust the angle and height of the electromagnetic wave emitted by the second rod segment. A card slot is provided at the end of the first rod segment, and a connecting block, a fixed rod and a card block are provided on the side of the Z-axis slider away from the Z-axis guide rail. One end of the connecting block is connected to the Z-axis slider, one end of the fixed rod is connected to one side of the connecting block, and the other end of the fixed rod is connected to the card block. The shape of the card slot matches the shape of the fixed rod and the card block, and is used to rotate the antenna around the axis direction of the fixed rod. The antenna can rotate at any angle, which improves the compatibility of the test.

[0017] Furthermore, the antenna is configured as a millimeter wave horn antenna, which can meet the requirements of the 5G frequency band and is compatible with higher test frequencies.

[0018] A millimeter wave shielding box, comprising any of the above-mentioned antenna modules, comprising:

[0019] The chassis is provided with a feed inlet;

[0020] A front door module, arranged on one side of the chassis and located at the feed inlet, for sealing the feed inlet;

[0021] A clamping module, used for placing products, one end of the clamping module is connected to the front door module, and the other end of the clamping module is located in the chassis; and,

[0022] The antenna module is located at one side of the chassis, and the antenna is connected to the product on the clamping module by telecommunication.

[0023] Since the present invention adopts the above-mentioned antenna module and its corresponding millimeter wave shielding box, compared with the prior art, its beneficial effects are as follows: the present invention relates to an antenna module and its corresponding millimeter wave shielding box, the millimeter wave shielding box includes a chassis, a front door module, a clamping module and an antenna module. The front door module is arranged on one side of the chassis, and is used to seal the feed port during testing. One end of the clamping module is connected to the front door module, and the product is placed on the clamping module, and the clamping module and the antenna module are both located in the chassis. The antenna module is provided with a moving device and an antenna, and the moving device drives the antenna to move along the XYZ direction, and the antenna and the product on the clamping module are connected by telecommunication through the electromagnetic waves emitted by the antenna. The millimeter wave shielding box has a simple structure, convenient operation, accurate testing and low cost, which solves the problem of large size, high cost and complex design of microwave darkroom in the prior art, resulting in high cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. The drawings described below are only drawings corresponding to some embodiments of the present invention.

[0025] Figure 1 The figure is a schematic diagram of the explosion structure of an embodiment of the millimeter wave shielding box of the present invention.

[0026] Figure 2 The figure is a schematic diagram of the exploded structure of an embodiment of the framework of the millimeter wave shielding box of the present invention.

[0027] Figure 3 It is a structural schematic diagram of an embodiment of a mobile device group of a millimeter wave shielding box of the present invention.

[0028] Figure 4 It is a schematic structural diagram of an embodiment of the antenna of the millimeter wave shielding box of the present invention.

[0029] In the figure: 10. millimeter wave shielding box, 20. chassis, 21. frame, 211. C-type conductive foam noodles, 212. rectangular conductive foam noodles, 213. absorbing cotton, 22. bottom cover, 23. top cover, 24. front door cover, 25. back cover, 26. right cover, 27. left cover, 30. front door module, 31. USB device, 32. front door, 321. through slot, 33. control box, 331. support frame, 332. drive cylinder, 333. piston rod, 40. clamping module, 50. antenna module, 51. moving device, 511. moving platform, 512. X-axis moving unit, 5121. X-axis guide rail, 5121 1. First guide plate, 51212. Second guide plate, 5122. X-axis slider, 513. Y-axis moving unit, 5131. Connecting plate, 51311. Connecting end, 51312. Supporting end, 5132. Y-axis guide rail, 5133. Y-axis slider, 514. Z-axis moving unit, 5141. Supporting plate, 5142. Z-axis guide rail, 5143. Z-axis slider, 515. First screw rod, 5151. Raised ring, 516. Second screw rod, 5161. Lug, 5162. Main body, 52. Antenna, 521. First rod segment, 522. Second rod segment, 523. Rotating shaft, 524. Connecting block, 525. Fixed rod, 526. Block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0031] The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are only for reference to the orientation of the drawings. The directional terms used are used to illustrate and understand the present invention, but not to limit the present invention.

[0032] In the figures, structurally similar elements are denoted by the same reference numerals.

[0033] Please refer to Figure 1 , Figure 2In this embodiment, the millimeter wave shielding box 10 includes a chassis 20, a front door module 30, a clamping module 40 and an antenna module 50. The chassis 20 includes a skeleton 21, a bottom cover plate 22, a top cover plate 23, a front door cover plate 24, a back cover plate 25, a right cover plate 26, and a left cover plate 27. The six surface frame structures of the skeleton 21 are arranged in the same way, so that the covers can be replaced with each other, which is convenient to install and meets different test requirements and later upgrades. The bottom cover plate 22, the top cover plate 23, the front door cover plate 24, the back cover plate 25, the right cover plate 26, and the left cover plate 27 are all the same size and are all bolted to the skeleton 21. The connection between the skeleton 21 and each cover plate is provided with a C-shaped conductive bubble surface 211, a rectangular conductive bubble surface 212 and an absorbing cotton 213 to reduce the interference of external electromagnetic waves on the test. A discharge port is provided on one side of the chassis 20, and the front door module 30 is provided at the position of the feed port. The front door module 30 includes a USB device 31, a front door 32, a front door cover plate 24, and a control box 33. The front door cover plate 24 is provided at the position of the discharge port, and a through slot 321 connected to the feed port is provided on the front door cover plate 24. The USB device 31 is provided on the front door 32 and is provided opposite to the through slot 321, and the front door 32 is movably connected to the front door cover plate 24. The control box 33 is provided at the bottom of the chassis 20, and a support frame 331, a driving cylinder 332, and a piston rod 333 are provided in the control box 33, the driving cylinder 332 is fixedly connected to the support frame 331, the piston rod 333 is slidably connected to the support frame 331, one end of the piston rod 333 passes through the support frame 331 and is connected to the front door 32, and the driving cylinder 332 drives the piston rod 333 to drive the front door 32 to approach or move away from the front door cover plate 24. The clamping module 40 is disposed on a side of the front door 32 away from the USB device 31 , and the USB device 31 is electrically connected to the clamping module 40 . The product to be tested is placed on the clamping module 40 .

[0034] In this embodiment, please refer to Figure 1 , Figure 3 , the antenna module 50 is arranged on the bottom cover plate 22. The antenna module 50 is provided with a moving device 51 and an antenna 52. The moving device 51 is used to drive the antenna 52 to move along the XYZ direction. The antenna 52 is used to transmit electromagnetic waves. The antenna 52 is connected to the product on the clamping module 40 by telecommunications. The moving device 51 includes a moving platform 511, an X-axis moving unit 512, a Y-axis moving unit 513 and a Z-axis moving unit 514. Among them, the Z-axis moving unit 514 is used to drive the antenna 52 to move along the Z-axis direction, and the Y-axis moving unit 513 is used to drive the Z-axis moving unit 514 and the antenna 52 to move along the Y-axis direction as a whole. The Z-axis moving unit 514 is used to drive the Y-axis moving unit 513, the Z-axis moving unit 514 and the antenna 52 to move along the X-axis direction as a whole.

[0035] The mobile platform 511 is arranged on the bottom cover plate 22 of the chassis 20, and a connecting groove is arranged on the mobile platform 511, and the connecting groove is used to install the X-axis guide rail 5121 to improve the overall stability of the mobile device 51. The X-axis moving unit 512 is provided with an X-axis guide rail 5121 and an X-axis slider 5122. The X-axis guide rail 5121 is provided with a first guide plate 51211 and a second guide plate 51212, and the first guide plate 51211 is arranged between the second guide plate 51212 and the mobile platform 511, and the first guide plate 51211 and the second guide plate 51212 are both located in the connecting groove. The second guide plate 51212 is arranged as a rectangular parallelepiped structure, and the width of the second guide plate 51212 is less than the width of the first guide plate 51211. The first guide plate 51211 is provided with inclined surfaces on both sides of the length direction. The width of the contact surface between the first guide plate 51211 and the second guide plate 51212 is smaller than the width of the contact surface between the first guide plate 51211 and the mobile platform 511, providing a guiding function to prevent tilting during the sliding process. The X-axis slider 5122 is provided with grooves corresponding to the X-axis guide rail 5121. The first guide plate 51211 and the second guide plate 51212 pass through the grooves and are in close contact with the side walls of the grooves, so that the connection between the X-axis slider 5122 and the X-axis guide rail 5121 is stable. The first screw 515 and the second screw 516 are respectively provided on both sides of the X-axis slider 5122. The size of the second screw 516 is smaller than that of the first screw 515. The end of the first screw 515 is provided with a convex ring 5151, which is used for the first screw 515 to be screwed in and out. The end of the second screw rod 516 is provided with a lug 5161 and a body 5162, and the lug 5161 is provided on one side of the body 5162, and the lug 5161 is used for screwing in and out of the second screw rod 516. The operation is convenient and the efficiency of installation is improved. One end of the first screw rod 515 is threadedly connected to one side of the X-axis slider 5122 and is extruded and connected to the second guide plate 51212, and the second screw rod 516 is threadedly connected to the other side of the X-axis slider 5122 and is extruded and connected to the first guide plate 51211, so as to prevent displacement changes from occurring during the test process and affecting the test accuracy.

[0036] The Y-axis moving unit 513 is provided with a connecting plate 5131, a Y-axis guide rail 5132 and a Y-axis slider 5133. The connecting plate 5131 is provided with a connecting end 51311 and a supporting end 51312, the connecting end 51311 is bolted to the X-axis slider 5122, and the supporting end 51312 is suspended on the moving platform 511, so that the installation between the connecting end 51311 and the X-axis slider 5122, and the installation between the supporting end 51312 and the Y-axis guide rail 5132 is avoided, which is convenient for installation and disassembly. The Y-axis guide rail 5132 is arranged on the side of the supporting end 51312 away from the moving platform 511, and the Y-axis slider 5133 is slidably connected to the Y-axis guide rail 5132. The Z-axis moving unit 514 is provided with a support plate 5141, a Z-axis guide rail 5142 and a Z-axis slider 5143. One end of the support plate 5141 is connected to the Y-axis slider 5133. A Z-axis guide rail 5142 is provided on one side of the support plate 5141. The Z-axis slider 5143 is slidably connected to the Z-axis guide rail 5142, and the antenna 52 is connected to the Z-axis slider 5143. In this embodiment, the Z-axis guide rail 5142, the X-axis guide rail 5121, and the Y-axis guide rail 5132 have the same structure, and the X-axis slider 5122 and the Y-axis slider 5133 have the same structure as the Z-axis slider 5143. The X-axis guide rail 5121 is arranged in the connecting groove, the Y-axis is arranged on the support end 51312, and the Z-axis guide rail 5142 is arranged on the side of the support plate 5141, which is convenient for installation and saves costs.

[0037] In this embodiment, the antenna 52 is configured as a millimeter wave horn antenna 52, which can meet the requirements of the 5G frequency band and be compatible with higher test frequencies. Figure 3 , the antenna 52 can be configured in a sheet format. Figure 4 In order to enable the antenna 52 to change the angle of emitting electromagnetic waves at will, test the influence of electromagnetic waves emitted at different angles on the product, and improve the test accuracy, the antenna 52 can also be set as a first rod segment 521, a second rod segment 522 and a rotating shaft 523. The first rod segment 521 and the second rod segment 522 are rotatably connected through the rotating shaft 523, and a card slot is provided at the end of the first rod segment 521. A connecting block 524, a fixing rod 525 and a card block 526 are provided on the side of the Z-axis slider 5143 away from the Z-axis guide rail 5142. One end of the connecting block 524 is connected to the Z-axis slider 5143, one end of the fixing rod 525 is connected to one side of the connecting block 524, and the other end of the fixing rod 525 is connected to the card block 526. The shape of the card slot matches the shape of the fixing rod 525 and the card block 526, and is used to rotate the antenna 52 around the axis direction of the fixing rod 525. The first rod section 521 is used to enable the antenna 52 to emit electromagnetic waves from any direction, and the angle and height of the emitted electromagnetic waves and the product can be adjusted by rotating the second rod section 522. The rotation of the first rod section 521 and the second rod section 522 can be adjusted manually, or the antenna 52 can be automatically adjusted by controlling the control system. The antenna 52 can rotate at any angle, which improves the compatibility and accuracy of the test.

[0038] The working principle of the millimeter wave shielding box 10 of the present invention is as follows:

[0039] According to the set position of the antenna 52, the positions of the X-axis moving unit 512, the Y-axis moving unit 513 and the Z-axis moving unit 514 are adjusted in sequence. The X-axis slider 5122 is moved to the set position of the X-axis guide rail 5121, and the first screw 515 and the second screw 516 are tightened respectively, so that the X-axis slider 5122 is firmly connected to the X-axis guide rail 5121. Taking the X-axis moving unit 512 as an example, the position adjustment of the Y-axis moving unit 513 and the Z-axis moving unit 514 is consistent with the X-axis moving unit 512. After adjusting the position of the antenna 52, the power supply is turned on, and the driving cylinder 332 drives the piston rod 333 to drive the front door 32 to send the product into the chassis 20. After the front door 32 seals the through groove 321, the driving cylinder 332 is stopped. The control system controls the antenna 52 to emit electromagnetic waves and starts the product testing operation.

[0040] The present invention relates to an antenna module and a corresponding millimeter wave shielding box, the millimeter wave shielding box comprising a chassis, a front door module, a clamping module and an antenna module. The front door module is arranged on one side of the chassis, and is used to seal the feed port during testing. One end of the clamping module is connected to the front door module, and the product is placed on the clamping module, and the clamping module and the antenna module are both located in the chassis. The antenna module is provided with a moving device and an antenna, and the moving device drives the antenna to move along the XYZ direction, and the antenna and the product on the clamping module are connected by telecommunication through the electromagnetic waves emitted by the antenna. The millimeter wave shielding box has a simple structure, convenient operation, accurate testing and low cost, which solves the problem of large size, high cost and complex design of microwave darkroom in the prior art, resulting in high cost.

[0041] In summary, although the present invention has been disclosed as above in terms of preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.

Claims

1. An antenna module, used for communication detection of a product, characterized in that: include: A mobile device, the mobile device comprising a mobile platform, an X-axis mobile unit, a Y-axis mobile unit and a Z-axis mobile unit; The X-axis moving unit is arranged on the moving platform; the Y-axis moving unit is arranged on the X-axis moving unit; the Z-axis moving unit is arranged on the Y-axis moving unit, and the antenna is slidably connected to the Z-axis moving unit; as well as, Antenna, the moving device is used to drive the antenna to move along the XYZ direction, the antenna is used to emit electromagnetic waves, and the antenna is connected to the product to be tested by telecommunication; Wherein, the X-axis moving unit is provided with an X-axis guide rail and an X-axis slider, the X-axis guide rail is arranged on the moving platform, and the X-axis slider is slidably connected to the X-axis guide rail; the Y-axis moving unit is provided with a connecting plate, a Y-axis guide rail and a Y-axis slider, the connecting plate is provided with a connecting end and a supporting end, the connecting end is bolted to the X-axis slider, the supporting end is suspended on the moving platform, the Y-axis guide rail is arranged on the side of the supporting end away from the moving platform, and the Y-axis slider is slidably connected to the Y-axis guide rail; the Z-axis moving unit is provided with a supporting plate, a Z-axis guide rail and a Z-axis slider, one end of the supporting plate is connected to the Y-axis slider, the Z-axis guide rail is arranged on one side of the supporting plate, the Z-axis slider is slidably connected to the Z-axis guide rail, and the antenna is connected to the Z-axis slider; The X-axis guide rail is provided with a first guide plate and a second guide plate, the first guide plate is arranged between the second guide plate and the moving platform; the second guide plate is arranged as a rectangular parallelepiped structure, and the width of the second guide plate is smaller than the width of the first guide plate; inclined surfaces are arranged on both sides of the length direction of the first guide plate, and the width of the contact surface between the first guide plate and the second guide plate is smaller than the width of the contact surface between the first guide plate and the moving platform; the X-axis slider and the X-axis guide rail are provided with grooves corresponding to the X-axis guide rail, and the first guide plate and the second guide plate pass through the grooves and are tightly attached to the side walls of the grooves.

2. The antenna module according to claim 1, characterized in that: A first screw and a second screw are respectively provided on both sides of the X-axis slider, the Y-axis slider and the Z-axis slider, one end of the first screw is threadedly connected to one side of the X-axis slider and is extrudedly connected to the second guide plate, and the second screw is threadedly connected to the other side of the X-axis slider and is extrudedly connected to the first guide plate.

3. The antenna module according to claim 2, characterized in that: A convex ring is disposed at the end of the first screw rod, and the convex ring is used for screwing the first screw rod in and out.

4. The antenna module according to claim 2, characterized in that: The end of the second screw rod is provided with a lug and a body, wherein the lug is provided on one side of the body and is used for the second screw rod to be screwed in and out.

5. The antenna module according to claim 2, characterized in that: The second screw has a smaller size than the first screw.

6. The antenna module according to claim 1, characterized in that: The Z-axis guide rail, the X-axis guide rail, and the Y-axis guide rail have the same structure, and the X-axis slider, the Y-axis slider and the Z-axis slider have the same structure; a connecting groove is provided on the mobile platform, and the X-axis guide rail is provided in the connecting groove; the Y-axis is provided on the support end, and the Z-axis guide rail is provided on the side of the support plate.

7. The antenna module according to claim 1, characterized in that: The antenna is provided with a first rod segment, a second rod segment and a rotating shaft, and the first rod segment and the second rod segment are rotatably connected through the rotating shaft, so as to adjust the angle and height of electromagnetic waves emitted by the second rod segment; a clamping groove is provided at the end of the first rod segment, and a connecting block, a fixing rod and a clamping block are provided on the side of the Z-axis slider away from the Z-axis guide rail, one end of the connecting block is connected to the Z-axis slider, one end of the fixing rod is connected to one side of the connecting block, and the other end of the fixing rod is connected to the clamping block; the shape of the clamping groove matches the shape of the fixing rod and the clamping block, so as to rotate the antenna around the axis direction of the fixing rod; the first rod segment is used to enable the antenna to emit electromagnetic waves from any orientation, and rotating the second rod segment can adjust the angle and height of the emitted electromagnetic waves and the product, thereby improving the compatibility and accuracy of the test.

8. The antenna module according to claim 1, characterized in that: The antenna is configured as a millimeter wave horn antenna.

9. A millimeter wave shielding box, comprising the antenna module according to any one of claims 1 to 8, characterized in that: include: The chassis is provided with a feed inlet; A front door module, arranged on one side of the chassis and located at the feed inlet, for sealing the feed inlet; A clamping module, used for placing products, one end of the clamping module is connected to the front door module, and the other end of the clamping module is located in the chassis; and, The antenna module is located at one side of the chassis, and the antenna is connected to the product on the clamping module by telecommunication.

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