Embedded rapid scanning system

Abstract

According to the embedded rapid scanning system, a detection device is vertically arranged on an installation support, the installation support is fixed to the position above a production line through two stand columns, an antenna can be placed on the production line after being produced and flows backwards, and when the antenna flows to the position below the detection device, the detection device is based on the near-field scanning and far-field conversion technology; the device transversely moves above an antenna radiation surface, samples a near field, measures amplitude and phase values of an oscillator, can also convert the amplitude and phase values into a vertical plane far-field directional diagram, extracts radiation parameters, is simple and rapid in test process, takes a production line as a workbench, does not need to be additionally provided with a workbench, reduces the size, is embedded in the production line, and improves the test efficiency. And when one antenna is tested to be unqualified, interception can be directly carried out, so that the yield of products is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of antenna testing technology, and in particular relates to an embedded fast scanning system. Background Technology

[0002] With the rapid development of wireless communication technology, especially since the deployment of 4G and 5G communication systems, base station antennas, as key components of wireless communication systems, typically contain several subarrays supporting various communication protocols. Antennas are becoming increasingly complex, making quality control during manufacturing increasingly difficult. During manufacturing, to control antenna quality, base station antennas undergo scattering and intermodulation parameter measurements. However, radiation parameters, as one of the most important performance indicators of base station antennas, traditionally require measurement in an anechoic chamber using specialized testing systems. Common measurement systems include far-field measurement systems and multi-probe near-field measurement systems, which are expensive, time-consuming, inefficient, and costly. Utility Model Content

[0003] (I) Purpose of the utility model

[0004] To overcome the above shortcomings, the purpose of this utility model is to provide an embedded fast scanning system to solve the technical problems of high cost, very time-consuming testing, low testing efficiency and high testing cost of existing traditional antenna radiation index measurement systems.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, the technical solution provided in this application is as follows:

[0007] An embedded rapid scanning system includes: a mounting bracket, the mounting bracket including a mounting plate and two columns located below the mounting plate, the two columns being fixed to both sides of a production line respectively; a detection device horizontally movably mounted on the mounting plate for detecting the radiation parameters of an antenna placed on the production line and driven by the production line to pass beneath it; and a control device mounted on the mounting bracket and electrically connected to the detection device, capable of controlling the movement position of the detection device and receiving the radiation parameters detected by the detection device.

[0008] This application utilizes a vertically mounted detection device on a support bracket, which is fixed above the production line by two columns. After the antenna is produced, it is placed on the production line and flows backward. When it reaches the detection device, the device, based on near-field scanning and far-field transformation technology, moves laterally above the antenna's radiating surface and samples the near field, measuring the amplitude and phase values ​​of the oscillator. It can also transform the amplitude and phase values ​​into a vertical far-field radiation pattern and extract radiation parameters. The testing process is simple and fast, using the production line as a workbench without the need for an additional workbench, thus reducing the overall size. Furthermore, the scanning system is embedded in the production line, allowing for direct interception of antennas that fail the test, ensuring product yield.

[0009] In some embodiments, it further includes: a movable plate movably disposed on the mounting plate, and multiple detection devices movably connected to the movable plate;

[0010] By setting up multiple detection devices and making them movable, the position and spacing of the detection devices can be adjusted to accommodate multiple antennas or antennas with different positions and widths, thus improving the versatility of the scanning system.

[0011] In some embodiments, the column includes: a fixed section and a movable section located above the fixed section and with its lower end sleeved inside the fixed section, wherein the fixed section has a screw locking hole, and when the movable section is adjusted to a predetermined position, a screw is inserted to abut against the outer wall of the movable section to fix the movable section to a predetermined height;

[0012] By making the column retractable, the height of the entire scanning system can be easily adjusted to accommodate antennas of different heights, further improving the versatility of the scanning system.

[0013] In some embodiments, the control device is provided with an MES interface for the MES system to access;

[0014] By setting up the MES interface testing device, the test data can be directly written into the MES system, or the testers can directly query the radiation parameters of the antennas passing through the station on the MES system. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the embedded fast scanning system of this utility model;

[0016] Figure 2 This is a schematic diagram of a preferred embodiment of the embedded fast scanning system of this utility model;

[0017] Figure 3 This is an interaction diagram between the embedded fast scanning system of this utility model and the antenna during the measurement process.

[0018] Figure label:

[0019] 1. Mounting plate; 2. Column; 201. Fixed section; 202. Moving section; 3. Moving plate; 301. Slide groove; 4. Detection device; 5. Control device; 6. Motor. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0021] Please see Figure 1 The present invention provides an embedded rapid scanning system, comprising: a mounting bracket, the mounting bracket including a mounting plate 1 and two columns 2 located below the mounting plate 1, the two columns 2 being fixed to both sides of the production line respectively; a detection device 4 being horizontally movable on the mounting plate 1 for scanning the radiation parameters of an antenna placed on the production line and passing beneath it via the production line; and a control device 5 being mounted on the mounting bracket and electrically connected to the detection device 4, capable of controlling the movement position of the detection device 4 and receiving the radiation parameters scanned by the detection device 4.

[0022] Specifically, the detection device 4 is a scanning probe. Preferably, the detection device 4 has a built-in micro mesh module for test sampling to reduce the overall size.

[0023] Specifically, after the products are manufactured, they are placed on the production line. As the production line continues to move backward, the scanning system forms a gantry structure above the scanning system. When a product flows under it, the detection device 4, based on near-field scanning and far-field transformation technology, moves laterally above the antenna radiating surface and samples the near field to measure the amplitude and phase values ​​of the oscillator. It can also transform the amplitude and phase values ​​into a vertical plane far-field radiation pattern and extract the radiation parameters. Then, the radiation parameters are sent to the control device 5.

[0024] Specifically, the flow speed of the production line needs to match the lateral movement speed of the detection device 4. Alternatively, sensors can be installed at the corresponding bracket positions on the edge of the production line. When the sensor detects that an antenna has arrived, it sends a pause signal to the control device that controls the production line. The production line stops moving, and the detection device 4 detects the antenna. After the detection is completed, the production line restarts, and the antenna continues to flow backward. This process continues until all antennas have been detected.

[0025] Specifically, the mounting plate 1 is equipped with a guide rail, a movable plate 3 that slides with the guide rail, and a motor 6. The motor 6 and the movable plate 3 are connected by a transmission belt. The detection device 4 is mounted on the movable plate 3. When the motor 6 starts, it can drive the detection device 4 to move laterally on the mounting plate 1.

[0026] Specifically, a sliding groove 301 is provided on the movable plate 3, and there are multiple detection devices 4 (2 in total). The upper ends of the devices slide and cooperate with the sliding groove 301 respectively. For different numbers of antennas and the spacing between adjacent antennas, the corresponding number of detection devices 4 can be activated and the spacing between the two detection devices 4 can be adjusted to adapt to different types of antenna detection.

[0027] Please see Figure 2 Preferably, the column 2 includes a fixed section 201 and a movable section 202. The fixed section 201 is connected to both sides of the production line, and the lower end of the movable section 202 is fitted into the fixed section 201. Specifically, the fixed section 201 has screw holes. The telescopic length of the movable section 202 can be adjusted for antennas of different heights. When the movable section 202 is adjusted to the appropriate position, screws are inserted into the screw holes, so that the end of the screw abuts against the outer wall of the movable section 202, locking the movable section 202 to the current height.

[0028] Specifically, the control device 5 can be a tablet computer.

[0029] Preferably, the control device 5 can be equipped with an MES interface for the MES system to access.

[0030] Specifically, an MES (Manufacturing Execution System) is a solution for production information management at the shop floor execution level in manufacturing enterprises. By collecting, analyzing, and processing data in real time during the production process, it helps enterprises achieve visualization, transparency, and efficient management of the production process, thereby improving production efficiency, optimizing production plans, and reducing operating costs.

[0031] Specifically, microwave switches, also known as radio frequency (RF) switches, control the switching of microwave signal channels. In essence, an RF / microwave switch is a device that routes high-frequency signals through the transmission path. RF / microwave switches are widely used in microwave test systems for signal routing between instruments and devices under test (DUTs). Combining switches into a switch matrix system allows signals from multiple instruments to be routed to one or more DUTs. This enables multiple tests to be performed in the same setup without frequent connection and disconnection. The entire testing process can be automated, thereby increasing throughput in high-volume production environments.

[0032] Specifically, before testing the antenna, the test frequency of each port of the antenna and the criteria for judging the quality of the antenna need to be pre-inputted and stored in the control device 4.

[0033] Specifically, before testing, the transmitter port of the TR component (a key part between the frequency band and the antenna in a wireless transceiver system, whose main functions include signal amplification, attenuation, and phase control) is connected to the antenna connector via the first electronic switch (a microwave switch that transmits signals via radio frequency), and the receiver port of the TR component is connected to the testing device 4 via the second electronic switch.

[0034] The detailed measurement process is as follows:

[0035] First, the antenna is laid flat on the production line. When the antenna moves under the detection device 4, the control device 5 drives the probe to pass over the antenna at a constant speed through the motion controller. While the detection device 4 passes over the antenna at a constant speed, the control device 5 records the position of the detection device 4 at regular intervals, switches the microwave signal channel of the second electronic switch, and reads the detection value (i.e., the near-field value) from the receiving port of the TR component. Then, the detection device 4 calculates the far-field radiation of the antenna by using the far-field transformation algorithm based on the recorded position information and near-field value, calculates the radiation parameters, compares the calculated radiation parameters with the set quality judgment standard, makes a qualified judgment, and finally stores the measured data and writes the results into the MES system.

[0036] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within its protection scope. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. An embedded high-speed scanning system, characterized in that, include: The mounting bracket includes a mounting plate (1) and two uprights (2) fixed to both sides of the production line below the mounting plate (1), a detection device (4) that can be horizontally movably mounted on the mounting plate (1) for detecting the radiation parameters of an antenna placed on the production line and passing below it under the drive of the production line, and a control device (5) mounted on the mounting bracket and electrically connected to the detection device (4) for controlling the movement of the detection device (4) and receiving the radiation parameters of the detection device (4).

2. The embedded fast scanning system according to claim 1, characterized in that, Also includes: A movable plate (3) is movably mounted on the mounting plate (1), and multiple detection devices (4) are movably connected to the movable plate (3).

3. The embedded fast scanning system according to claim 1, characterized in that, The column (2) includes a fixed section (201) connected to both sides of the production line and a movable section (202) located above the fixed section (201). The lower end of the movable section (202) is fitted inside the fixed section (201). The fixed section (201) has screw holes for locking the movable section (202) to a predetermined height.

4. The embedded fast scanning system according to claim 1, characterized in that, The control device (5) is equipped with an MES interface for the MES system to access.

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