Rapid detection device and method for corresponding relation of phased-array antenna channels

Abstract

The invention discloses a device and a method for rapidly detecting the corresponding relation of phased-array antenna channels, and relates to the technical field of phased-array antennae, the device comprises a positioning plate, a signal coupling array, a detection array, an ADC array, a single-chip microcomputer and an LED display array; the positioning plate is fixed above the phased-array antenna through the supporting part, i * j coaxial line mounting holes are formed in the positioning plate, the distance between the mounting holes is consistent with the distance between radiation units of the phased-array antenna, i * j coaxial line openings are formed in the signal coupling array, and the i * j coaxial line openings are matched with the i * j coaxial line mounting holes. The coaxial line openings are in one-to-one correspondence with the phased-array antenna radiation units in position; the detection array is electrically connected with the ADC array and the signal coupling array. The single-chip microcomputer is electrically connected with the ADC array and the LED display array. By controlling the opening of the channels of the phased array one by one, the corresponding relation of the channels of the phased array antenna is reflected through the LED array, the purpose of visualization is achieved, and then whether the corresponding relation of the channels of the phased array antenna is correct or not is rapidly judged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of phased array antenna, and particularly relates to a rapid detection device and method for phased array antenna channel corresponding relationship. BACKGROUND

[0002] With the rapid development of phased array antenna technology, the integration degree is higher and higher. The chip type phased array antenna integrates the antenna, beam forming chip, beam control network, power supply and other functional circuits, and has the excellent characteristics of being lighter and thinner. In the phased array antenna, the channels of the beam forming chip correspond to the channels of the radiating antenna unit one by one, which is the primary prerequisite for ensuring the normal operation of the phased array antenna. The channel corresponding relationship involves multiple aspects such as antenna, radio frequency, hardware, software and system function, and if there is a problem in one of the aspects, the channel corresponding relationship will be incorrect, which will cause the problem that the phased array antenna cannot work normally. However, with the increase of the integration degree, the detection difficulty of the channel corresponding relationship between the beam forming chip and the radiating antenna unit is higher and higher, which leads to a waste of a large amount of time in the early problem analysis and troubleshooting of the phased array antenna, and is not conducive to the rapid production test of the phased array product. The existing channel corresponding relationship troubleshooting scheme mostly uses an oscilloscope to capture the corresponding beam forming chip control line data and compare it with the simulation data, and there is the technical problem of low troubleshooting efficiency. SUMMARY

[0003] The present application aims to overcome the deficiencies of the prior art and provide a rapid detection device and method for phased array antenna channel corresponding relationship.

[0004] The purpose of the present application is achieved by the following technical solutions: In a first aspect, the present application provides a rapid detection device for phased array antenna channel corresponding relationship, comprising a positioning plate, a signal coupling array, a detection array, an ADC array, a single-chip microcomputer and an LED display array. The positioning plate is fixed above the phased array antenna through a support component, and the positioning plate is provided with a coaxial line mounting hole, wherein , ; the mounting hole has a spacing size consistent with the spacing of the radiating units of the phased array antenna, the signal coupling array is provided with a coaxial line opening, the coaxial line opening corresponds to the position of the radiating unit of the phased array antenna one by one, and the signal coupling array is used for coupling the radio frequency signals of the phased array antenna. The detection array is electrically connected with the ADC array and the signal coupling array respectively, the detection array is used for converting the amplitude of the coupled radio frequency signal into a voltage signal, and the ADC array is used for converting the voltage signal into a digital voltage signal; the single-chip microcomputer is electrically connected with the ADC array and the LED display array respectively, the converted digital voltage signal is input into the single-chip microcomputer, the single-chip microcomputer finds out the maximum amplitude channel, and the single-chip microcomputer controls the LED display array to light up the LED at the position corresponding to the maximum amplitude channel.

[0005] Based on the first aspect, the detection array comprises a wideband detection chip, the wideband detection chip is in one-to-one correspondence and communication with the coaxial line opening position.

[0006] Based on the first aspect, the ADC array comprises an analog-to-digital converter (ADC), the ADC is in one-to-one correspondence and communication with the wideband detection chip position.

[0007] Based on the first aspect, the support component is a support column, and the support column is installed on both sides of the phased array antenna array surface.

[0008] The second aspect discloses a rapid detection method of a phased array antenna channel corresponding relationship, which is used for the rapid detection device of the phased array antenna channel corresponding relationship and comprises the following steps: S1, the phased array antenna and the rapid detection device are powered on and initialized; S2, based on the phased array antenna control protocol, the phased array antenna is controlled to open the channels one by one, the antenna radiating units of each channel emit radio frequency signals, the radio frequency signals are coupled through the signal coupling array, then enter the corresponding detection array, the radio frequency signal amplitude input by the coupling array is converted into a voltage signal by the detection array, the voltage signal output by the detection array is converted into a digital voltage by the ADC array, and the digital voltage is input into the single-chip microcomputer for processing; S3, the single-chip microcomputer compares the sizes of the signal values corresponding to each channel, calculates the channel corresponding to the maximum voltage, controls the LED display array to light up the LED at the position corresponding to the maximum voltage, and the LEDs at the remaining positions are in an extinguished state; S4, whether the relationship between the opened channels of the phased array antenna and the lighted positions of the LEDs is consistent is judged, if the relationship between the opened channels and the lighted LEDs is consistent, the phased array antenna channel control is correct, otherwise, the corresponding relationship of the phased array antenna is abnormal.

[0009] The application has the following beneficial effects: 1) The phased array antenna channel corresponding relationship is visualized and intuitively displayed through the LED array, without the aid of other instruments and equipment, whether the phased array antenna channel corresponding relationship is correct can be judged, and the efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a structure schematic view of a fast detection device of a phased array antenna channel corresponding relationship of an embodiment of the present application. Figure 2 It is a signal coupling array, a detection array, an ADC array, a single-chip microcomputer, and a LED display array position corresponding relationship schematic view of an embodiment of the present application. Figure 3 It is a signal coupling array and phased array antenna channel corresponding relationship schematic view of an embodiment of the present application. In the figure, 1 is a phased array antenna, 2 is a positioning plate, 3 is a signal coupling array, 4 is a detection array, 5 is an ADC array, 6 is a single-chip microcomputer, 7 is a LED display array, and 8 is a support column. DETAILED DESCRIPTION

[0011] The technical solutions of the present application will be described clearly and completely below in combination with embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0012] The present application discloses a fast detection device and method of a phased array antenna channel corresponding relationship, which is used to solve the problem that the detection of the beam forming chip and the radiation antenna unit channel corresponding relationship is difficult in the prior art, which leads to the waste of time in the early problem analysis and troubleshooting of the phased array antenna, and is not conducive to the rapid production test of the phased array product. At the same time, the existing channel corresponding relationship troubleshooting scheme mostly uses an oscilloscope to capture the corresponding beam forming chip control line data and simulation data for comparison, and there is also the technical problem of low troubleshooting efficiency. The structure schematic view of the device is shown in Figure 1 The device specifically includes a positioning plate 2, a signal coupling array 3, a detection array 4, an ADC array 5, a single-chip microcomputer 6, and a LED display array 7. The positioning plate 2 is fixed above the phased array antenna 1 through a support component, and the positioning plate 2 is provided with one coaxial line mounting hole, wherein , ; the mounting hole spacing is consistent with the spacing of the radiation units of the phased array antenna 1, the signal coupling array 3 is provided with one coaxial line opening, the coaxial line opening corresponds one-to-one to the position of the radiation units of the phased array antenna 1, and the signal coupling array 3 is used to couple the radio frequency signals of the phased array antenna 1. The detection array 4 is electrically connected with the ADC array 5 and the signal coupling array 3 respectively, the detection array 4 is used for converting the amplitude of the coupled radio frequency signal into a voltage signal, and the ADC array 5 is used for converting the voltage signal into a digital voltage signal; the single-chip microcomputer 6 is electrically connected with the ADC array 5 and the LED display array 7 respectively, the ADC array 5 inputs the converted digital voltage signal into the single-chip microcomputer 6, the single-chip microcomputer 6 finds out the maximum amplitude channel, and the single-chip microcomputer 6 controls the LED display array 7 to light up and display the LED at the position corresponding to the maximum amplitude channel.

[0013] Specifically, the detection array 4 comprises a wideband detection chip, the wideband detection chip is in one-to-one correspondence with and communicates with the coaxial line opening position.

[0014] Specifically, the ADC array 5 comprises an analog-to-digital converter ADC, the analog-to-digital converter ADC is in one-to-one correspondence with and communicates with the wideband detection chip position.

[0015] Specifically, the support component is a support column 8, and the support column 8 is installed on both sides of the array surface of the phased array antenna 1.

[0016] Exemplarily, taking the channel rapid detection device as an example, the structure specifically comprises: a positioning plate composed of a coaxial line mounting hole, the mounting hole spacing is consistent with the phased array antenna radiation unit spacing; a signal coupling array composed of a coaxial line opening, the signal coupling array realizes the coupling of the radio frequency signal; a signal coupling array and phased array antenna channel corresponding relationship diagram is shown in the four corners of the phased array antenna beam forming chip are respectively provided with antenna radiation units, and the antenna radiation units and the signal coupling array are in one-to-one correspondence; Figure 3 a detection array composed of a wideband detection chip, the wideband detection chip converts the amplitude of the radio frequency signal input by the coupling array into a voltage signal; an ADC array composed of an analog-to-digital converter ADC, the ADC array converts the voltage output by the detection array into a digital voltage; a single-chip microcomputer for comparing the signals output by each channel ADC and finding out the maximum amplitude channel; an LED display array for lighting up and displaying the LED at the position corresponding to the maximum amplitude channel; a signal coupling array, a detection array, an ADC array, a single-chip microcomputer and an LED display array position corresponding relationship diagram is shown in the four corners of the phased array antenna beam forming chip are respectively provided with antenna radiation units, and the antenna radiation units and the signal coupling array are in one-to-one correspondence; Figure 2As shown, the coupling array, the detection array and the ADC array are connected by hardware circuit to ensure one-to-one correspondence, and the ADC array, the single-chip microcomputer and the LED array are connected by hardware circuit and program algorithm to ensure one-to-one correspondence.

[0017] The application further discloses a fast detection method of the correspondence of channels of a phased array antenna. S1, turning on the phased array antenna and the fast detection device and completing initialization; S2, based on a phased array antenna control protocol, controlling the phased array antenna to open channels one by one, each channel antenna radiating unit emitting a radio frequency signal, the radio frequency signal being coupled through a signal coupling array, then entering a corresponding detection array, the radio frequency signal amplitude input by the coupling array being converted into a voltage signal by the detection array, the voltage signal output by the detection array being converted into a digital voltage by an ADC array and input into a single-chip microcomputer for processing; S3, the single-chip microcomputer comparing the sizes of signal values corresponding to each channel, calculating a channel corresponding to the maximum voltage, controlling an LED display array to light up the LED at the position of the channel corresponding to the maximum voltage (lighting up the LED is to control the antenna unit channel), and the LEDs at the other positions being in an extinguished state; S4, judging whether the relationship between the opened channels of the phased array antenna and the lighted positions of the LEDs is consistent, if the relationship between the opened channels and the lighted LEDs is consistent, the control of the channels of the phased array antenna is correct, otherwise, the correspondence of the phased array antenna is abnormal.

[0018] In summary, the application controls each channel of the phased array to open one by one, adopts the fast detection device of the correspondence of channels of the phased array antenna, embodies the correspondence of channels of the phased array antenna through the LED array, achieves the purpose of visualization, and then quickly judges whether the correspondence of channels of the phased array antenna is correct.

[0019] The above description is only the preferred embodiment of the application, and it should be understood that the application is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified by the above teachings or related art or knowledge within the scope of the concept described herein. Any modification and change made by those skilled in the art without departing from the spirit and scope of the application shall be within the protection scope of the appended claims of the application.

Claims

1. A rapid detection device for phased array antenna channel correspondence, characterized in that: It includes a positioning plate (2), a signal coupling array (3), a detection array (4), an ADC array (5), a single chip microcomputer (6) and an LED display array (7); The positioning plate (2) is fixed above the phased array antenna (1) via a supporting component, and the positioning plate (2) is provided with Coaxial mounting holes, , The spacing between the mounting holes is consistent with the spacing between the radiation units of the phased array antenna (1), and the signal coupling array (3) is provided with coaxial line openings, the coaxial line openings corresponding one-to-one to the positions of the radiation units of the phased array antenna (1), and the signal coupling array (3) being used to couple the radio frequency signal of the phased array antenna (1); The detection array (4) is electrically connected to the ADC array (5) and the signal coupling array (3) respectively. The detection array (4) is used to convert the coupled radio frequency signal amplitude into a voltage signal. The ADC array (5) is used to convert the voltage signal into a digital voltage signal. The single chip computer (6) is electrically connected to the ADC array (5) and the LED display array (7) respectively. The ADC array (5) inputs the converted digital voltage signal into the single chip computer (6). The single chip computer (6) finds the maximum amplitude channel. The single chip computer (6) controls the LED display array (7) to light up the LED at the position corresponding to the maximum amplitude channel.

2. The device for rapidly detecting the corresponding relationship of phased array antenna channels according to claim 1, characterized in that: The detection array (4) includes A broadband detection chip is provided, and the broadband detection chip corresponds to the opening position of the coaxial line one by one and is connected to the coaxial line.

3. The device for rapidly detecting the corresponding relationship of phased array antenna channels according to claim 2, characterized in that: The ADC array (5) includes An analog-to-digital converter ADC is provided, and the analog-to-digital converter ADC corresponds to the broadband detection chip in a one-to-one manner and is connected to the broadband detection chip.

4. The device for rapidly detecting the corresponding relationship of phased array antenna channels according to claim 1, characterized in that: The supporting components are supporting columns (8), and the supporting columns (8) are installed on both sides of the array surface of the phased array antenna (1).

5. A method for quickly detecting the correspondence between phased array antenna channels, used in a device for quickly detecting the correspondence between phased array antenna channels according to any one of claims 1 to 4, characterized in that: The following steps are involved: S1. Power on the phased array antenna and rapid detection device and complete initialization; S2. Based on the phased array antenna control protocol, the phased array antenna is controlled to open channels one by one. The antenna radiating unit of each channel transmits a radio frequency signal, which is coupled through the signal coupling array and then enters the corresponding detection array. The detection array converts the amplitude of the radio frequency signal input from the coupling array into a voltage signal and inputs it into the ADC array. The ADC array converts the voltage signal output from the detection array into a digital voltage and inputs it into the single-chip microcomputer for processing. S3, the single chip microcomputer calculates the channel corresponding to the maximum voltage by comparing the signal values ​​corresponding to each channel, and controls the LED display array to light up the LED at the channel position corresponding to the maximum voltage, and the LEDs at other positions are off; S4. Determine whether the relationship between the phased array antenna's open channel and the LED's lighting position is consistent. If the corresponding relationship between the open channel and the lighting LED is consistent, the phased array antenna channel control is correct. Otherwise, the corresponding relationship between the phased array antenna is abnormal.

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