Detection device for vehicle-mounted antenna

Abstract

The invention discloses a detection device for a vehicle-mounted antenna. The detection device comprises a shell, a fixed bracket, a test bracket, a connecting bracket, a first motor, a second motor, a third motor and a signal collection device, wherein the fixed bracket is arranged on the bottom wall of the shell; the test bracket is rotatably arranged on the fixed bracket and extends in a first direction; the connecting bracket is rotatably arranged on the fixed bracket, and the connecting bracket is suitable for mounting an antenna to be tested; the first motor is arranged on the fixed bracket and is linked with the test bracket to drive the test bracket to rotate around a first direction; the second motor is arranged on the test bracket and is linked with the connecting bracket to selectively drive the connecting bracket to rotate around a second direction; the third motor is arranged in the shell and is linked with the connecting bracket to selectively drive the connecting bracket to rotate around a third direction; the signal collecting device is arranged in the shell and is suitable for collecting and analyzing signals sent by the antenna to be tested. According to the detection device, the detection result is more comprehensive.

Description

Technical Field

[0001] The present invention relates to the field of signal detection, and in particular to a detection device for vehicle-mounted antennas. Background Art

[0002] When the existing vehicle-mounted antenna detection system detects the antenna to be measured, it can only detect the signal intensity in one or two directions, and cannot meet the all-round signal detection of the antenna to be measured, and the accuracy of the detection result is low. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. For this purpose, an object of the present invention is to provide a detection device for vehicle-mounted antennas. The detection device according to the present invention drives the antenna to be measured by three motors, so that the antenna to be measured has more detection positions in three-dimensional space, and thus the detection result of the detection device is more comprehensive and accurate.

[0004] The detection device according to the present invention includes a housing, a fixed bracket, a test bracket, a connecting bracket, a first motor, a second motor, a third motor and a signal collection device. The fixed bracket is arranged on the bottom wall of the housing; the test bracket is rotatably arranged on the fixed bracket and extends in a first direction; the connecting bracket is rotatably arranged at the free end of the fixed bracket, and the connecting bracket is adapted to mount the antenna to be measured; the first motor is arranged on the fixed bracket, and the output shaft of the first motor extends in the first direction and is linked with the test bracket to selectively drive the test bracket to rotate around the first direction; the second motor is arranged on the test bracket, and the output shaft of the second motor extends in a second direction and is linked with the connecting bracket to selectively drive the connecting bracket to rotate around the second direction; the third motor is arranged in the housing, and the output shaft of the third motor extends in a third direction and is linked with the connecting bracket to selectively drive the connecting bracket to rotate around the third direction; the signal collection device is arranged in the housing, and the signal collection device is adapted to collect and analyze the signals emitted by the antenna to be measured; wherein, the first direction, the second direction and the third direction are orthogonal to each other in pairs.

[0005] The detection device according to the present invention is provided with a housing, and an accommodation space is formed inside the housing to facilitate accommodating other structures of the detection device, and the signal of the antenna to be measured is detected in this space, which can improve the accuracy of the detection device for detecting signals. A fixed bracket is provided inside the housing, a test bracket is provided on the fixed bracket, and the fixed bracket is arranged on the bottom wall of the housing, which can serve as a support structure for the test bracket and improve the stability of the entire detection device. The test bracket is rotatably arranged on the fixed bracket. At the same time, a connecting bracket is rotatably arranged on the test bracket, and the connecting bracket is used to install the antenna to be measured. When detecting the signal of the antenna to be measured, the position of the antenna to be measured can be adjusted to detect the signals when the antenna to be measured is at different positions, realizing omnidirectional signal detection and improving the accuracy of the detection device for detecting the signal of the antenna to be measured. Three motors can drive the movement of the antenna to be measured respectively, or work simultaneously to move the antenna to be measured to more positions, so that the antenna to be measured can rotate omnidirectionally in three-dimensional space, and then the signal collecting device collects the signal of the antenna to be measured, thereby realizing the omnidirectional detection of the signal intensity of the antenna to be measured by the detection device and improving the accuracy of the detection device when detecting signals.

[0006] According to an embodiment of the present invention, the fixed bracket includes: a fixed frame, a rotating table and a rotating shaft. The fixed frame is arranged at the bottom of the housing, and an accommodation cavity suitable for accommodating the first motor is formed inside the fixed frame; the rotating table is rotatably arranged on the fixed frame, and the test bracket is arranged on the rotating table; the rotating shaft is arranged on the side of the rotating table facing the fixed frame, and the rotating shaft passes through the fixed frame and is connected to the output shaft of the first motor.

[0007] According to an embodiment of the present invention, the test bracket is close to the edge of the rotating table, and the rotating shaft is located at the center of the rotating table.

[0008] According to an embodiment of the present invention, an installation groove is formed on the test bracket, and an installation limiting frame is rotatably arranged in the installation groove. The installation limiting frame is connected to the connecting bracket. The detection device for vehicle-mounted antennas further includes: a transmission mechanism, and the transmission mechanism is arranged in the installation groove and is linked with the second motor and the installation limiting frame respectively.

[0009] According to an embodiment of the present invention, the transmission mechanism includes: a transmission shaft, a first gear and a second gear. The transmission shaft is rotatably arranged in the installation groove, and at least part of the outer circumference of the transmission shaft is sleeved with the installation limiting frame; the first gear is arranged in the installation groove and is linked with the output shaft of the second motor; the second gear meshes with the first gear and is sleeved on the outer circumference of the transmission shaft, and the second gear is adapted to drive the transmission shaft to rotate under the drive of the first gear.

[0010] According to an embodiment of the present invention, a sliding frame is provided at one end of the transmission shaft away from the second gear, an arc-shaped slideway is provided on at least one side wall of the installation groove, and the sliding frame can selectively slide in the arc-shaped slideway.

[0011] According to an embodiment of the present invention, the detection device further includes: a connecting rod, one end of the connecting rod is connected to the connecting bracket, a motor cavity for accommodating the third motor is formed on the installation limiting frame, and one end of the connecting rod is rotatably arranged on the installation limiting frame and coaxially connected to the output shaft of the third motor.

[0012] According to an embodiment of the present invention, the connecting bracket includes: a bracket housing and a clamping member, a cavity is formed inside the bracket housing; the clamping member is arranged inside the cavity and is suitable for clamping the antenna to be measured.

[0013] According to an embodiment of the present invention, the clamping member includes: a limiting slide rail, a lead screw, a clamping frame, a rotary knob and a locking member, the limiting slide rail is also arranged on the inner wall of the cavity; the lead screw is rotatably arranged inside the cavity; the clamping frames are constructed as two spaced apart from each other and are respectively sleeved on the outer periphery of the lead screw, the end of the clamping frame is slidably arranged on the limiting slide rail, and the antenna to be measured is clamped between the two clamping frames; the rotary knob is arranged at one end of the lead screw to control the rotation of the lead screw; the locking member is arranged on the rotary knob to selectively limit the rotation of the rotary knob.

[0014] According to an embodiment of the present invention, the signal collection device includes: a receiver and an analyzer, the receiver is arranged on one side of the housing close to the installation position and is suitable for receiving the signal emitted by the antenna to be measured; the analyzer is arranged on the housing and is spaced from the receiver, and the analyzer is connected to the receiver to be suitable for analyzing the signal received by the receiver.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0017] Figure 1 is a schematic diagram of a detection device according to an embodiment of the present invention;

[0018] Figure 2 is a partially enlarged view of a test bracket according to an embodiment of the present invention;

[0019] Figure 3 Schematic diagram of the cooperation between the test bracket and the fixing bracket according to an embodiment of the present invention;

[0020] Figure 4 Schematic diagram of the test bracket according to an embodiment of the present invention;

[0021] Figure 5 Schematic diagram of the connecting bracket according to an embodiment of the present invention.

[0022] Reference numerals:

[0023] Detection device 1, antenna under test 10;

[0024] Housing 11;

[0025] Fixing bracket 12, fixing frame 121, accommodating cavity 1211, rotating table 122, rotating shaft 123;

[0026] Test bracket 13, installation groove 131, installation limiting frame 132, motor cavity 1321, transmission mechanism 133;

[0027] Drive shaft 1331, first gear 1332, second gear 1333, sliding frame 1334, arc-shaped slideway 1335;

[0028] Connecting bracket 14, bracket housing 141, clamping member 142;

[0029] Limit slide rail 1421, lead screw 1422, clamping frame 1423, turning knob 1424, locking member 1425;

[0030] First motor 151, second motor 152, third motor 153;

[0031] Receiver 161, analyzer 162;

[0032] Connecting rod 17, absorption sponge 18. Detailed implementation manners

[0033] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0034] The existing vehicle-mounted antenna detection system can only detect the signal strength in one or two directions when detecting the antenna under test, and cannot meet the all-round signal detection of the antenna under test, resulting in low accuracy of the detection results.

[0035] The following refers to Figures 1-5Describe a detection device according to an embodiment of the present invention.

[0036] The detection device 1 according to the present invention includes a housing 11, a fixed bracket 12, a test bracket 13, a connecting bracket 14, a first motor 151, a second motor 152, a third motor 153 and a signal collection device. The fixed bracket 12 is disposed at the bottom of the housing 11. The test bracket 13 is rotatably disposed on the fixed bracket 12 and extends in a first direction. The connecting bracket 14 is rotatably disposed at the free end of the fixed bracket 12, and the connecting bracket 14 is adapted to mount the antenna 10 to be tested. The first motor 151 is disposed on the fixed bracket 12, and the output shaft of the first motor 151 extends in the first direction and is linked with the test bracket 13 to selectively drive the test bracket 13 to rotate about the first direction. The second motor 152 is disposed on the test bracket 13, and the output shaft of the second motor 152 extends in a second direction and is linked with the connecting bracket 14 to selectively drive the connecting bracket 14 to rotate about the second direction. The third motor 153 is disposed in the housing 11, and the output shaft of the third motor 153 extends in a third direction and is linked with the connecting bracket 14 to selectively drive the connecting bracket 14 to rotate about the third direction. The signal collection device is disposed in the housing 11, and the signal collection device is adapted to collect and analyze the signals emitted by the antenna 10 to be tested. Among them, the first direction, the second direction and the third direction are orthogonal to each other in pairs.

[0037] The detection device 1 according to the present invention is provided with a housing 11. An accommodation space is formed in the housing 11 to facilitate accommodating other structures of the detection device 1, and the signals of the antenna 10 to be tested are detected in this space, which can improve the accuracy of the detection device 1 in detecting signals. A fixed bracket 12 is disposed in the housing 11, and a test bracket 13 is disposed on the fixed bracket 12. The fixed bracket 12 is disposed on the bottom wall of the housing 11 and can serve as a support structure for the test bracket 13, improving the stability of the entire detection device 1. The test bracket 13 is rotatably disposed on the fixed bracket 12. At the same time, a connecting bracket 14 is rotatably disposed on the test bracket 13. The connecting bracket 14 is used to mount the antenna 10 to be tested. When detecting the signals of the antenna 10 to be tested, the position of the antenna 10 to be tested can be adjusted to detect the signals when the antenna 10 to be tested is located at different positions, realizing omnidirectional signal detection and improving the accuracy of the detection device 1 in detecting the signals of the antenna 10 to be tested.

[0038] Specifically, a first motor 151 is provided on the fixed bracket 12. The output shaft of the first motor 151 extends in a first direction. During assembly, the output shaft of the first motor 151 can be linked with the test bracket 13 so that the first motor 151 drives the test bracket 13 to rotate around the first direction. The rotation of the test bracket 13 can drive the connection bracket 14 and the antenna under test 10 to rotate around the first direction. Furthermore, when the detection device 1 detects the signal of the wire under test, the position of the antenna under test 10 is changed to obtain more signal data and improve the accuracy of detection. Similarly, a second motor 152 is provided on the test bracket 13. The output shaft of the second motor 152 extends in a second direction and is linked with the connection bracket 14. Therefore, the second motor 152 can independently drive the connection bracket 14 to rotate around the second direction. And a third motor 153 is provided in the housing 11, and the output shaft of the third motor 153 extends in a third direction and is linked with the connection bracket 14. Therefore, the third motor 153 can drive the connection bracket 14 to drive the antenna under test 10 to rotate around the third direction. Since the first direction, the second direction, and the third direction are orthogonal to each other pairwise, the three motors can drive the movement of the antenna under test 10 respectively, or can work simultaneously to move the antenna under test 10 to more positions, so that the antenna under test 10 can rotate omnidirectionally in three-dimensional space. Then, the signal collection device collects the signal of the antenna under test 10, and further realizes the omnidirectional detection of the signal intensity of the antenna under test 10 by the detection device 1, improving the accuracy of the detection device 1 when detecting signals.

[0039] According to an embodiment of the present invention, the fixed bracket 12 includes: a fixed frame 121, a rotating table 122, and a rotating shaft 123. The fixed frame 121 is provided at the bottom of the housing 11, and a receiving cavity 1211 adapted to receive the first motor 151 is formed in the fixed frame 121; the rotating table 122 is rotatably provided on the fixed frame 121, and the test bracket 13 is provided on the rotating table 122; the rotating shaft 123 is provided on the side of the rotating table 122 facing the fixed frame 121, and the rotating shaft 123 passes through the fixed frame 121 and is connected to the output shaft of the first motor 151.

[0040] The detection device 1 achieves precise control and stable support of the test bracket 13 and the antenna to be tested 10 during the vehicle-mounted antenna detection process by introducing a fixed frame 121, a rotating table 122 and a rotating shaft 123. Specifically, the fixed frame 121 is arranged at the bottom of the shell 11, providing a stable support foundation for the entire detection device 1. At the same time, a receiving cavity 1211 for accommodating the first motor 151 is formed inside the fixed frame 121. The first motor 151 is assembled into the receiving cavity 1211, thereby avoiding the influence of the motor operation on the signal detection. At the same time, the structure of the entire detection device 1 is more compact, the occupied space is reduced, and the overall integration and aesthetics are improved. The rotating table 122 is rotatably arranged on the fixed frame 121, and the test bracket 13 is installed on the rotating table 122, so that the test bracket 13 can freely adjust the angle as the rotating table 122 rotates, thereby meeting the needs of multi-angle and all-round detection of the antenna to be tested 10, and improving the accuracy and comprehensiveness of the detection. The rotating shaft 123 is arranged on the side of the rotating table 122 facing the fixed frame 121, and passes through the fixed frame 121 to be connected with the output shaft of the first motor 151, ensuring that the power of the first motor 151 can be accurately transmitted to the rotating table 122, thereby driving the test bracket 13 and the antenna to be tested 10 thereon to rotate, making the detection result more accurate and reliable.

[0041] According to an embodiment of the present invention, the test bracket 13 is close to the edge of the rotating table 122, and the rotating shaft 123 is located at the center of the rotating table 122. The test bracket 13 is close to the edge of the rotating table 122. When the rotating table 122 rotates, the test bracket 13 can cover a larger angle range, thereby enhancing the ability to perform multi-angle and all-round detection of the vehicle-mounted antenna, making the detection process more flexible and able to meet more diverse detection needs. Designing the test bracket 13 at the edge of the rotating table 122 can also improve space utilization to a certain extent, so that the central area of ​​the rotating table 122 can be retained and can be used to install other necessary detection components or equipment, thereby further enhancing the functionality and practicality of the detection device 1. The rotating shaft 123 is located in the center, so that the rotating table 122 can form a more uniform torque distribution when rotating, which helps to reduce the vibration and shaking that may occur during the rotation process, thereby improving the stability of the entire detection device 1.

[0042] According to an embodiment of the present invention, an installation groove 131 is formed on the test bracket 13. An installation limiting bracket 132 is rotatably arranged in the installation groove 131. The installation limiting bracket 132 is connected to the connection bracket 14. The detection device 1 for the vehicle-mounted antenna further includes: a transmission mechanism 133. The transmission mechanism 133 is arranged in the installation groove 131 and is linked with the second motor 152 and the installation limiting bracket 132 respectively. The installation limiting bracket 132 rotatably arranged in the installation groove 131 enables the antenna under test 10 to adjust its angle as needed during installation, thereby enhancing the flexibility of antenna installation. At the same time, the connection between the installation limiting bracket 132 and the connection bracket 14 ensures the stability of the antenna during the detection process, avoiding the antenna from shaking or falling off due to angle changes. By introducing the transmission mechanism 133 and making the transmission mechanism 133 linked with the second motor 152 and the installation limiting bracket 132, the detection device 1 can realize the automatic adjustment of the antenna angle by the second motor 152, which not only improves the detection efficiency, but also reduces the complexity and error of manual operation, making the detection process more accurate and reliable. Moreover, the antenna under test 10 can be adjusted to more positions driven by the installation limiting bracket 132, so that the detection device 1 can detect the signal of the antenna more comprehensively and accurately, discover the signal differences of the antenna at different angles, and thus obtain a more comprehensive detection result.

[0043] In addition, by arranging the transmission mechanism 133 in the installation groove 131, the space of the test bracket 13 is fully utilized, avoiding additional occupation of external space. This design not only improves the integration of the device, but also makes the overall structure more compact and beautiful.

[0044] According to an embodiment of the present invention, the transmission mechanism 133 includes: a transmission shaft 1331, a first gear 1332 and a second gear 1333. The transmission shaft 1331 is rotatably arranged in the installation groove 131. The installation limiting bracket 132 is sleeved on at least part of the outer periphery of the transmission shaft 1331. The first gear 1332 is arranged in the installation groove 131 and is linked with the output shaft of the second motor 152. The second gear 1333 meshes with the first gear 1332 and is sleeved on the outer periphery of the transmission shaft 1331. The second gear 1333 is adapted to drive the transmission shaft 1331 to rotate under the drive of the first gear 1332.

[0045] The transmission mechanism 133 is provided with a transmission shaft 1331. The transmission shaft 1331 is rotatably arranged in the installation groove 131. The installation limiting bracket 132 is sleeved on at least part of the outer periphery of the transmission shaft 1331, ensuring that the transmission shaft 1331 can rotate stably and effectively transmit power to the installation limiting bracket 132, thereby adjusting the angle of the antenna under test 10.

[0046] The first gear 1332 is linked to the output shaft of the second motor 152. The second gear 1333 meshes with the first gear 1332 and is sleeved on the outer periphery of the transmission shaft 1331, forming an efficient transmission chain, which improves the stability and efficiency of the transmission. Through the meshing transmission of the first gear 1332 and the second gear 1333, the rotation angle of the transmission shaft 1331 can be accurately controlled, so as to realize the precise adjustment of the antenna angle by the second motor 152, which helps to obtain more accurate and comprehensive antenna performance data during the detection process.

[0047] The detection device 1 integrates all components of the transmission mechanism 133 (transmission shaft 1331, first gear 1332 and second gear 1333) in the installation groove 131, making full use of the space, avoiding additional occupation of external space, and improving the compactness and integration of the device.

[0048] According to an embodiment of the present invention, a sliding frame 1334 is provided at one end of the transmission shaft 1331 away from the second gear 1333, and an arc-shaped slideway 1335 is provided on at least one side wall of the installation groove 131. The sliding frame 1334 can selectively slide in the arc-shaped slideway 1335. The matching design of the sliding frame 1334 and the arc-shaped slideway 1335 provides a stable guidance and support for the transmission shaft 1331. During the transmission process, the sliding frame 1334 slides along the arc-shaped slideway 1335, which can ensure that the transmission shaft 1331 always maintains the correct rotation trajectory, avoiding transmission errors caused by deviation from the center, not only improving the stability of the transmission, but also enhancing the accuracy of the angle adjustment. In addition, by setting the arc-shaped slideway 1335, the detection device 1 can limit the rotation range of the transmission shaft 1331. When the sliding frame 1334 slides to the end of the arc-shaped slideway 1335, it will no longer be able to slide, thus restricting the further rotation of the transmission shaft 1331, preventing the transmission shaft 1331 from being damaged due to excessive rotation, and improving the durability and safety of the device.

[0049] According to an embodiment of the present invention, the detection device 1 further includes: a connecting rod 17. One end of the connecting rod 17 is connected to the connection bracket 14. A motor cavity 1321 for accommodating the third motor 153 is formed on the installation limiting frame 132. One end of the connecting rod 17 is rotatably arranged on the installation limiting frame 132 and is coaxially connected to the output shaft of the third motor 153. Through the third motor 153 and the connecting rod 17, the detection device 1 can adjust the position of the antenna under test 10 in another dimension, increasing the degree of freedom of the detection device 1 to adjust the antenna under test 10, enabling the detection result to cover a wider angular range, thereby improving the comprehensiveness and accuracy of the detection result. Specifically, the third motor 153 of the detection device 1 is arranged in the motor cavity 1321 on the installation limiting frame 132 and is connected to the connection bracket 14 through the connecting rod 17, optimizing the transmission structure, thereby improving the stability and reliability of the transmission. The coaxial connection of the third motor 153 and the connecting rod 17 enables the connecting rod 17 to drive the antenna under test 10 to rotate under the drive of the third motor 153, realizing the automatic adjustment and precise control of the angle of the antenna under test 10, enabling the antenna under test 10 to have more detection positions, and improving the comprehensiveness of the detection result.

[0050] According to an embodiment of the present invention, the connection bracket 14 includes: a bracket housing 141 and a clamping member 142. A cavity is formed inside the bracket housing 141; the clamping member 142 is arranged inside the cavity and is adapted to clamp the antenna under test 10. A cavity is formed inside the bracket housing 141, and the cavity can provide a closed or semi-closed protection environment for the antenna under test 10, which can effectively prevent the influence of other structures of the detection device 1 on the movement of the antenna under test 10, thereby improving the accuracy and reliability of the detection. The clamping member 142 is used to clamp the antenna under test 10, which can ensure that the antenna maintains a stable posture during the detection process, avoiding measurement errors caused by shaking or deviation, and contributing to improving the detection accuracy. In addition, the design of the clamping member 142 makes the installation and disassembly of the antenna under test 10 simpler and faster. The detection personnel can easily fix the antenna under test 10 on the clamping member 142 or remove it from the clamping member 142, thereby improving the detection efficiency.

[0051] According to an embodiment of the present invention, the clamping member 142 includes a limit slide rail 1421, a lead screw 1422, a clamping bracket 1423, a turning knob 1424, and a locking member 1425. The limit slide rail is disposed on the inner wall of the cavity; the lead screw 1422 is rotatably disposed in the cavity; the clamping brackets 1423 are configured as two spaced-apart ones and are respectively sleeved on the outer periphery of the lead screw 1422. The ends of the clamping brackets 1423 are slidably disposed on the limit slide rail 1421. The antenna 10 to be measured is clamped between the two clamping brackets 1423; the turning knob 1424 is disposed at one end of the lead screw 1422 to control the rotation of the lead screw 1422; the locking member 1425 is disposed on the turning knob 1424 to selectively limit the rotation of the turning knob 1424.

[0052] Through the design of the lead screw 1422 and the clamping brackets 1423, the clamping member 142 can achieve precise clamping and adjustment of the antenna 10 to be measured. Specifically, when the turning knob 1424 is rotated, the lead screw 1422 will rotate accordingly, and then drive the clamping brackets 1423 to slide along the limit slide rail 1421, thereby adjusting the distance between the two clamping brackets 1423 to adapt to antennas of different sizes. This not only improves the clamping stability, but also makes the adjustment process simpler and faster, and increases the applicable range of the clamping member 142. The cooperative design of the lead screw 1422 and the clamping brackets 1423 can increase or decrease the clamping force on the antenna 10 to be measured by increasing or decreasing the distance between the clamping brackets 1423, which helps to ensure that the antenna 10 to be measured maintains a stable posture during the detection process, avoiding measurement errors caused by shaking or deviation, and can also adapt to different models of the antenna 10 to be measured, with higher flexibility. The setting of the turning knob 1424 makes the adjustment of the clamping member 142 simpler and more intuitive. For example, the operator only needs to gently rotate the turning knob 1424 to adjust the distance between the clamping brackets 1423. At the same time, the design of the locking member 1425 can ensure that after the adjustment is completed, the turning knob 1424 will not accidentally rotate and change the position of the clamping brackets 1423, thus ensuring the accuracy and reliability of the detection.

[0053] According to an embodiment of the present invention, the signal collection device includes a receiver 161 and an analyzer 162. The receiver 161 is disposed on one side of the housing 11 close to the installation position and is adapted to receive the signal emitted by the antenna 10 to be measured; the analyzer 162 is disposed in the housing 11 and is spaced from the receiver 161. The analyzer 162 is connected to the receiver 161 to be adapted to analyze the signal received by the receiver 161.

[0054] The receiver 161 is specially designed and placed close to the antenna 10 to be measured, which helps to maximize the capture of the signals emitted by the antenna, improve the sensitivity of signal reception, and ensure the accuracy and reliability of the detection results. The analyzer 162 transmits signals through a connection with the receiver 161, and can perform detailed analysis and processing on the received signals. This not only improves the accuracy of signal analysis, but also helps to identify minor changes and characteristics in the signals, thus providing more valuable information for the detection of antenna performance. During the whole process, the three motors work selectively to adjust the position of the antenna 10 to be measured, enabling the receiver 161 to record more test points, and further making the signal intensity pattern of the antenna 10 to be measured drawn by the analyzer 162 more accurate, and the signal intensity test more rigorous and comprehensive.

[0055] In some embodiments, the housing 11 is constructed as a metal piece, and an absorption sponge 18 is arranged inside the housing 11. The absorption sponge 18 can absorb the electromagnetic wave signals that are not captured by the receiver 161, improving the safety of the test environment.

[0056] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

[0057] In the description of the present invention, the "first feature" and "second feature" may include one or more of such features.

[0058] In the description of the present invention, the meaning of "a plurality" is two or more.

[0059] In the description of the present invention, that the first feature is "above" or "below" the second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but in contact through additional features therebetween.

[0060] In the description of the present invention, that the first feature is "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature.

[0061] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0062] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A detection device for a vehicle-mounted antenna, characterized in that: include: Housing (11); A fixed bracket (12), wherein the fixed bracket (12) is arranged on the bottom wall of the housing (11); A test bracket (13), the test bracket (13) being rotatably disposed on the fixed bracket (12) and extending in a first direction; A connecting bracket (14), the connecting bracket (14) being rotatably arranged at a free end of the fixed bracket (12), the connecting bracket (14) being suitable for mounting the antenna to be tested (10); a first motor (151), the first motor (151) being disposed on the fixed bracket (12), the output shaft of the first motor (151) extending in a first direction and being linked with the test bracket (13) to selectively drive the test bracket (13) to rotate around the first direction; a second motor (152), the second motor (152) being disposed on the test bracket (13), the output shaft of the second motor (152) extending in a second direction and being linked with the connecting bracket (14) to selectively drive the connecting bracket (14) to rotate around the second direction; a third motor (153), the third motor (153) being disposed in the housing (11), the output shaft of the third motor (153) extending in a third direction and being linked with the connecting bracket (14) to selectively drive the connecting bracket (14) to rotate around the third direction; A signal collecting device, the signal collecting device is arranged in the housing (11), and the signal collecting device is suitable for collecting and analyzing the signal emitted by the antenna (10) to be tested; wherein The first direction, the second direction and the third direction are orthogonal to each other.

2. The detection device for vehicle-mounted antenna according to claim 1, characterized in that: The fixing bracket (12) comprises: A fixing frame (121), the fixing frame (121) being arranged at the bottom of the housing (11), and a receiving cavity (1211) suitable for receiving the first motor (151) being formed in the fixing frame (121); A rotating table (122), the rotating table (122) being rotatably disposed on the fixed frame (121), and the test bracket (13) being disposed on the rotating table (122); A rotating shaft (123), wherein the rotating shaft (123) is arranged on a side of the rotating platform (122) facing the fixing frame (121), and the rotating shaft (123) passes through the fixing frame (121) and is connected to an output shaft of the first motor (151).

3. The detection device for vehicle-mounted antenna according to claim 2, characterized in that: The test bracket (13) is close to the edge of the rotating platform (122), and the rotating shaft (123) is located at the center of the rotating platform (122).

4. The detection device for vehicle-mounted antenna according to claim 1, characterized in that: The test bracket (13) is formed with a mounting groove (131), a mounting limit frame (132) is rotatably arranged in the mounting groove (131), and the mounting limit frame (132) is connected to the connecting bracket (14). The detection device for the vehicle-mounted antenna also includes: A transmission mechanism (133), wherein the transmission mechanism (133) is arranged in the installation groove (131), and the transmission mechanism (133) is respectively linked with the second motor (152) and the installation limit frame (132).

5. The detection device for vehicle-mounted antenna according to claim 4, characterized in that: The transmission mechanism (133) comprises: A transmission shaft (1331), the transmission shaft (1331) being rotatably disposed in the mounting groove (131), and the mounting limit frame (132) being sleeved on at least a portion of the outer circumference of the transmission shaft (1331); a first gear (1332), the first gear (1332) being arranged in the mounting groove (131) and being linked to an output shaft of the second motor (152); A second gear (1333), the second gear (1333) is meshed with the first gear (1332) and is sleeved on the outer periphery of the transmission shaft (1331), and the second gear (1333) is suitable for driving the transmission shaft (1331) to rotate under the drive of the first gear (1332).

6. The detection device for vehicle-mounted antenna according to claim 5, characterized in that: A sliding frame (1334) is provided at one end of the transmission shaft (1331) away from the second gear (1333), and an arc-shaped slideway (1335) is provided on at least one side wall of the mounting groove (131), and the sliding frame (1334) can selectively slide in the arc-shaped slideway (1335).

7. The detection device for vehicle-mounted antenna according to claim 4, characterized in that: Also includes: A connecting rod (17), one end of which is connected to the connecting bracket (14), a motor cavity (1321) for accommodating the third motor (153) is formed on the mounting limit frame (132), and one end of the connecting rod (17) is rotatably arranged on the mounting limit frame (132) and is coaxially connected to the output shaft of the third motor (153).

8. The detection device for vehicle-mounted antenna according to claim 1, characterized in that: The connecting bracket (14) comprises: A support shell (141), wherein a cavity is formed in the support shell (141); A clamping member (142), the clamping member (142) being disposed in the cavity and being suitable for clamping the antenna to be tested (10).

9. The detection device for vehicle-mounted antenna according to claim 8, characterized in that: The clamping member (142) comprises: A limiting slide rail (1421), wherein the limiting rail is arranged on the inner wall of the cavity; A screw rod (1422), the screw rod (1422) being rotatably disposed in the cavity; A clamping frame (1423), wherein the clamping frame (1423) is constructed as two mutually spaced clamping frames and respectively sleeved on the outer circumference of the screw rod (1422), an end of the clamping frame (1423) is slidably arranged on the limiting slide rail (1421), and the antenna (10) to be tested is clamped between the two clamping frames (1423); A rotating knob (1424), the rotating knob (1424) being disposed at one end of the screw rod (1422) to control the rotation of the screw rod (1422); A locking member (1425), wherein the locking member (1425) is disposed on the rotating knob (1424) to selectively limit the rotation of the rotating knob (1424).

10. The detection device for vehicle-mounted antenna according to claim 1, characterized in that: The signal collection device comprises: A receiver (161), the receiver (161) being arranged on a side of the housing (11) close to the installation position and being suitable for receiving a signal emitted by the antenna (10) to be tested; An analyzer (162) is disposed in the housing (11) and spaced apart from the receiver (161); the analyzer (162) is connected to the receiver (161) and is suitable for analyzing a signal received by the receiver (161).

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