CN113359065B - Antenna testing method, device and computer readable storage medium - Google Patents
Antenna testing method, device and computer readable storage medium Download PDFInfo
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- CN113359065B CN113359065B CN202010144917.4A CN202010144917A CN113359065B CN 113359065 B CN113359065 B CN 113359065B CN 202010144917 A CN202010144917 A CN 202010144917A CN 113359065 B CN113359065 B CN 113359065B
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Abstract
The application provides an antenna testing method, an antenna testing device and a computer readable storage medium, wherein the method comprises the following steps: controlling the first probe to move so that the first probe is contacted with an antenna to be tested; controlling the second probe to move so that the second probe is respectively contacted with the rest of antennas to be tested, and the first probe, the antennas to be tested contacted with the first probe, the second probe and the second probe form an antenna test loop; and then, when the antenna test loop is formed each time, detecting whether the antenna test loop is a passage or not to obtain a connection test result of each antenna to be tested. The connection condition of a plurality of antennas on the detection circuit board that this application can be convenient and accurate.
Description
Technical Field
The present application relates to the field of antennas, and in particular, to an antenna testing method and apparatus, and a computer-readable storage medium.
Background
With the development of communication technology, the 5G technology is gradually popularized, and multiple-in multiple-out (MIMO) technology is widely applied, so that the number of antennas on communication products is increased, and the number of antennas connected to the same circuit board is increased. The greater the number of antennas, the greater the possibility of poor connection conditions in the production line.
At present, in a method for detecting whether antenna connection is normal on a production line, a multimeter is used for shifting to a 0 omega buzzer gear, a meter pen is respectively contacted with an antenna pattern part and a radio frequency microstrip transmission line, if the meter pens at two ends of the multimeter are contacted with the two places, a buzzer of the multimeter can sound, the antenna is considered to be normally connected, and if the buzzer does not sound, the antenna is indicated to be not normally connected to a circuit main board. However, when the number of antennas is large, erroneous judgment or missing measurement is likely to occur. Therefore, how to quickly and accurately measure whether the antenna is normally connected is an urgent problem to be solved at present.
Disclosure of Invention
The present application is directed to an antenna testing method, an antenna testing device, and a computer-readable storage medium, which are used for accurately and conveniently detecting the connection condition of multiple antennas on a circuit board.
In a first aspect, the present application provides an antenna testing method, including the following steps:
controlling the first probe to move so that the first probe is contacted with one antenna to be tested;
controlling the second probe to move so that the second probe is respectively contacted with the rest of antennas to be tested, and the first probe, the antennas to be tested contacted with the first probe, the second probe and the second probe form an antenna test loop;
and when the antenna test loop is formed every time, detecting whether the antenna test loop is a passage or not to obtain a connection test result of each antenna to be tested.
In a second aspect, the present application also provides an antenna testing device comprising a first probe, a second probe, a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program, when executed by the processor, implements the steps of the antenna testing method as described above.
In a third aspect, the present application further provides a computer-readable storage medium having a computer program stored thereon, where the computer program, when executed by a processor, implements the steps of the antenna testing method as described above.
The application provides an antenna test method, equipment and a computer readable storage medium, which are characterized in that a first probe is controlled to move so as to be in contact with an antenna to be tested; then controlling the second probe to move so that the second probe is respectively contacted with the rest of antennas to be tested, and enabling the first probe, the antennas to be tested contacted with the first probe, the second probe and the antennas to be tested contacted with the second probe to form an antenna test loop; and then, when an antenna test loop is formed each time, detecting whether the antenna test loop is a passage or not to obtain a connection test result of each antenna to be tested. This application removes in order to form antenna test loop through control first probe and second probe to whether this antenna test loop is the route, the connection condition of a plurality of antennas on the detection circuit board that can be convenient and accurate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circuit board to be tested in an embodiment of the present application;
fig. 2 is a schematic flowchart of an antenna testing method according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a scene of the antenna testing device detecting the circuit board to be tested in the embodiment of the present application;
fig. 4 is a schematic block diagram of a structure of an antenna testing device according to an embodiment of the present application.
The implementation, functional features and advantages of the object of the present application will be further explained with reference to the embodiments, and with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
The embodiment of the application provides an antenna testing method, antenna testing equipment and a computer readable storage medium. The antenna testing method can be applied to antenna testing equipment, and can also be applied to detection equipment such as a multimeter, an ammeter, a voltmeter and a resistance measuring instrument.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
An embodiment of the present application provides an antenna testing method, which is applied to an antenna testing device, and please refer to fig. 1, where fig. 1 is a schematic structural diagram of a circuit board to be tested in the embodiment of the present application. As shown in fig. 1, the circuit board 100 to be tested includes a circuit board body 101, a wire port 102, a metal wire 103, an inductor 104, a radio frequency microstrip transmission line 105, a radio frequency cable 106 and an antenna 107 to be tested.
The circuit board body 101 serves as a connecting carrier of the electronic component; the wire port 102 is located on the circuit board body 101, the wire port 102 is used for connecting a metal wire 103, and a plurality of metal wires are connected in parallel; one end of a metal wire 103 is connected to the wire port 102, and the other end is connected to an inductor 104; one end of the inductor 104 is connected to the metal wire 103, and the other end is connected to the rf microstrip transmission line 105; one end of the radio frequency microstrip transmission line 105 is connected to the circuit board body 101, and the other end is connected to the radio frequency cable 106; one end of the rf cable 106 is connected to the rf microstrip transmission line 105, and the other end is connected to the antenna 107 to be tested, where the antenna 107 to be tested is used for signal transmission and signal reception.
It should be noted that only one circuit of the antenna to be tested is drawn on the circuit board to be tested for identification purposes, and other circuits of the antenna to be tested are not drawn.
It is understood that the names of the parts of the circuit board 100 to be tested in fig. 1 are only for identification purposes, and do not limit the embodiments of the present application.
Referring to fig. 2, fig. 2 is a schematic flowchart illustrating an antenna testing method according to an embodiment of the present application.
As shown in fig. 2, the antenna testing method includes steps S101 to S103.
Step S101, controlling the first probe to move so that the first probe is contacted with one antenna to be tested.
The antenna test equipment comprises a first probe and a second probe, wherein the first probe and the second probe are connected to the antenna test equipment through metal wires, the first probe and the second probe are made of conductive materials, and the conductive materials can be selected according to actual situations, and the antenna test equipment is not particularly limited in this application. Optionally, the conductive material is iron or copper.
The antenna to be tested comprises an antenna radiator, an isolation strip and a ground layer. The antenna radiator is a radiation part of the antenna, the radiation part transmits and receives radio waves of the antenna, and the material of the antenna radiator is selected according to the actual situation, and the application is not particularly limited; the isolation strip is an insulator and prevents the antenna from conducting so as to protect the antenna.
It should be noted that the antenna test apparatus is used for testing a circuit board to be tested, where the circuit board to be tested includes a wire port and a plurality of antenna circuits, each antenna circuit is connected to the wire port, so that each antenna circuit is connected in parallel, and each antenna circuit includes an antenna to be tested.
In an embodiment, the antenna detection platform is arranged opposite to the antenna test equipment, the antenna detection platform is provided with an infrared transmitter, the antenna test equipment is provided with an infrared receiver, the infrared transmitter sends infrared light, the infrared receiver receives the infrared light sent by the infrared sounder, infrared light exists between the antenna detection platform and the antenna test equipment, when a circuit board to be tested is placed on the antenna detection platform, the infrared light sent by the infrared transmitter is shielded by the circuit board to be tested, the infrared receiver cannot receive the infrared light, the infrared receiver triggers an antenna test instruction, and sends the antenna test instruction to the antenna control equipment, so that the antenna test equipment controls the first probe to move based on the antenna test instruction, and the first probe is in contact with an antenna to be tested. Through the infrared receiver and the infrared transmitter, the existence of the circuit board to be detected in the antenna detection platform can be detected timely, and the efficiency of industrial production is greatly improved.
In one embodiment, the antenna detection platform is located right below the antenna test equipment, the antenna test equipment comprises a camera, the camera is located at the bottom of the antenna test equipment and is used for conducting downward shooting on a circuit board to be tested on the antenna detection platform, and when the fact that the circuit board to be tested is placed on the antenna detection platform is detected, the camera is controlled to conduct downward shooting on the circuit board to be tested, and a downward shooting image containing the circuit board to be tested is obtained; determining the position coordinates of each antenna to be detected in the antenna detection platform according to the overhead image; acquiring a first preset position coordinate of a projection point of the first probe projected on the antenna detection platform; determining a target antenna to be tested according to the position coordinate of each antenna to be tested and the first preset position coordinate; and controlling the first probe to move according to the first preset position coordinate, the position coordinate of the target antenna to be detected and a preset distance so as to enable the first probe to be in contact with the target antenna to be detected. Wherein, this camera can select according to actual conditions, and this application does not do specifically and restricts here, and optionally, cameras such as 2D camera, degree of depth camera and wide-angle camera.
The first preset position coordinate is a position coordinate of a projection point of the first probe on the antenna detection platform relative to an angular point of the antenna detection platform, the preset distance is a distance between the antenna detection platform and the antenna detection equipment, and after the antenna test of a circuit board to be tested is completed, the first probe returns to an initial position.
Specifically, the determination method of the position coordinate of the antenna to be detected in the antenna detection platform may specifically be: extracting an image area comprising an imaging result of the antenna test platform from the overhead image, and establishing a rectangular coordinate system by taking one corner point of the image area as a coordinate origin and two sides where the corner point is located as a longitudinal axis and a transverse axis; and marking the imaging result of each antenna to be detected in the image area to obtain the position of each antenna to be detected, and determining the coordinate of the position of each antenna to be detected in the rectangular coordinate system and the position coordinate of each antenna to be detected in the antenna detection platform.
Specifically, the determination method of the target antenna to be measured may specifically be: and determining the horizontal distance between each antenna to be detected and the first probe according to the position coordinate of each antenna to be detected and the first preset position coordinate, and taking the antenna to be detected with the shortest horizontal distance as a target antenna to be detected. The antenna test platform is rectangular or square.
Illustratively, according to the position coordinates [ (2,2), (2,3), (3,3), (2,3) ] of each antenna under test and the first preset position coordinates (1,1) obtained by projection of the first probe, the horizontal distances between each antenna under test and the first probe are determined to be √ 2, √ 5, 2 √ 2, and √ 5, respectively, the antenna under test with the shortest horizontal distance is taken as the target antenna under test, and therefore the antenna under test in the position coordinates (2,2) is taken as the target antenna under test.
Specifically, according to the first preset position coordinate, the position coordinate of the target antenna to be measured, and the preset distance, the manner of controlling the first probe to move may specifically be: determining the moving distance and moving direction of the first probe in the direction of the longitudinal axis and the moving distance and moving direction of the first probe in the direction of the transverse axis according to the position coordinate of the target antenna to be detected and the first preset position coordinate; and controlling the first probe to move in the horizontal direction based on the moving distance and the moving direction of the first probe in the longitudinal axis direction and the moving distance and the moving direction of the first probe in the transverse axis direction, and controlling the first probe to move in the vertical direction according to the preset distance so as to enable the first probe to be in contact with the target antenna to be tested.
And S102, controlling the second probe to move so that the second probe is respectively contacted with each of the rest antennas to be tested, and the first probe, the antenna to be tested contacted with the first probe, the second probe and the antenna to be tested contacted with the second probe form an antenna test loop.
After the first probe is contacted with the target antenna to be tested, the second probe is controlled to move so that the second probe is contacted with all the other antennas to be tested, the second probe is contacted with all the other antennas to be tested respectively, and the antennas to be tested, contacted with the first probe, the first probe and the antenna to be tested, the second probe and the second probe, form an antenna test loop.
In one embodiment, the antenna detection platform is located right below the antenna test equipment, the antenna test equipment is provided with a camera, the camera is located at the bottom of the antenna test equipment and used for performing downward shooting on a circuit board to be tested on the antenna detection platform, when the fact that the circuit board to be tested is placed on the antenna detection platform is detected, the camera is controlled to shoot the circuit board to be tested to obtain a downward shot image containing the circuit board to be tested, and position coordinates of all the rest antennas to be tested in the antenna detection platform are determined according to the downward shot image; acquiring a second preset position coordinate of a projection point of the second probe projected on the antenna detection platform; determining a moving track of the second probe according to the position coordinates, second preset position coordinates and preset distances of the rest antennas to be detected in the antenna detection platform; and controlling the second probe to move according to the moving track so that the second probe is respectively contacted with each of the rest antennas to be tested, and the first probe, the antenna to be tested contacted with the first probe, the second probe and the second probe form an antenna test loop. Wherein, this camera can select according to actual conditions, and this application does not do specifically and restricts here, and optionally, cameras such as 2D camera, degree of depth camera and wide angle camera.
The second preset position coordinate is a position coordinate of a projection point of the second probe on the antenna detection platform relative to an angular point of the antenna detection platform, the preset distance is a distance between the antenna detection platform and the antenna detection equipment, and after the antenna test of a circuit board to be tested is completed, the second probe returns to the initial position.
Specifically, an image area comprising an imaging result of the antenna test platform is extracted from the overhead image, and a rectangular coordinate system is established by taking one corner point of the image area as a coordinate origin and two sides where the corner point is located as a longitudinal axis and a transverse axis; and marking the imaging result of each antenna to be detected in the image area to obtain the position of each antenna to be detected, determining the coordinate of the position of each antenna to be detected in the rectangular coordinate system, and obtaining the position coordinates of the rest antennas to be detected in the antenna detection platform. The antenna test platform is rectangular or square.
Specifically, a moving path of the second probe in the horizontal direction is determined according to the position coordinates of each of the rest antennas to be detected in the antenna detection platform and a second preset position coordinate; and controlling the second probe to move in the vertical direction based on the preset distance, and controlling the second probe to move in the horizontal direction based on the moving path of the second probe in the horizontal direction, so that the second probe is respectively contacted with the rest of antennas to be tested, and the first probe, the antenna to be tested contacted with the second probe, the second probe and the antenna to be tested contacted with the second probe form an antenna test loop.
For example, please refer to fig. 3, fig. 3 is a schematic view of a scenario of the antenna testing apparatus detecting the circuit board to be tested in the embodiment of the present application. As shown in fig. 3, the first probe B connected to the antenna testing apparatus a controls the first probe B to move so that the first probe B contacts with an antenna to be tested in the circuit board to be tested, and then controls the second probe C to sequentially contact with the remaining antennas to be tested (the remaining antennas to be tested are located in the area D) in the circuit board to be tested, so that the first probe, the antenna to be tested contacted by the first probe, the second probe, and the antenna to be tested contacted by the second probe form an antenna testing loop.
Step S103, when the antenna test loop is formed each time, whether the antenna test loop is a passage or not is detected, and a connection test result of each antenna to be tested is obtained.
When the second probe is connected with the antenna to be tested, the first probe, the antenna to be tested contacted with the first probe, the second probe and the antenna to be tested contacted with the second probe form an antenna test loop, whether the antenna test loop is a channel or not is detected, whether the connection of each antenna to be tested is good or not is determined, and the connection test result of each antenna to be tested is obtained. The connection test result comprises good connection of the antenna to be tested and abnormal connection of the antenna to be tested.
In one embodiment, the antenna test equipment detects whether the antenna test loop has current or not; if the antenna test loop is detected to have current, determining the antenna test loop to be a passage; and if the antenna test loop is detected to be currentless, determining that the antenna test loop is open circuit.
It should be noted that the antenna test equipment includes a current meter and a power supply, when the second probe contacts the antenna to be tested, the power supply provides a test voltage to the test loop, the test voltage provided by the power supply can detect whether the test loop is connected, and does not damage the radio frequency cable, and a specific value of the test voltage can be set according to an actual situation, which is not specifically limited herein, for example, the test voltage can be set to 3V, 5V, 10V, and the like.
Exemplarily, a test voltage provided by a power supply of the antenna test equipment is preset to be 5V, when a first probe contacts one antenna to be tested on a circuit board to be tested, a second probe is connected to the other antenna to be tested, whether current exists in a test loop formed by the first probe, the antenna to be tested contacted with the first probe, the second probe and the antenna to be tested contacted with the second probe is detected through an ammeter in the antenna test equipment, if the ammeter shows that the current exists, the formed test loop is determined to be a path, and the good connection between the antenna to be tested contacted with the first probe and the antenna to be tested contacted with the second probe is further determined; if the circuit meter shows no current, determining that the antenna test loop is open circuit, and further determining that at least one antenna to be tested in the antenna to be tested in contact with the first probe and the antenna to be tested in contact with the second probe is abnormal in connection; and if the circuit board to be tested is detected to have the condition that the antenna test loop is a path, determining that the antenna to be tested contacted by the second probe is abnormal in connection.
In another embodiment, the antenna test equipment detects whether the resistance in the antenna test loop is smaller than a preset resistance threshold, and if the loop resistance in the antenna test loop is smaller than or equal to the preset resistance threshold, the antenna test loop is determined to be a path, so that the antenna to be tested is determined to be well connected; and if the loop resistance of the antenna test loop is detected to be larger than the preset resistance threshold value, determining that the antenna test loop of the antenna test loop is an open circuit, and determining that the connection of the antenna to be tested contacted by the second probe is abnormal.
In an embodiment, after obtaining a connection test result of each antenna to be tested, determining the antenna to be tested with abnormal connection according to the connection test result of each antenna to be tested; and acquiring the antenna number of the antenna to be tested with abnormal connection, and displaying the antenna number. The antenna number is used for uniquely identifying the antenna to be tested, and is generated according to the antenna test moving path test sequence. Through showing the antenna serial number of the antenna to be tested that is connected abnormally, the user can know the antenna to be tested that is connected abnormally through the antenna serial number that shows, and the subsequent processing of being convenient for.
Illustratively, the circuit board to be tested has 10 antennas to be tested, each antenna to be tested on the circuit board to be tested is distributed into a circle, a target antenna to be tested is determined, the antenna number of the target antenna to be tested is recorded as the number 1 of the antenna to be tested, the first probe is controlled to contact the antenna to be tested with the number 1, the second probe is controlled to move according to a moving track to sequentially contact the antennas to be tested with the numbers 2 to 9, whether current exists in each test loop is detected, connection abnormality of the antenna to be tested 3, the antenna to be tested 6 and the antenna to be tested 9 is obtained, and connection abnormality of the antennas to be tested 3, 6 and 9 of the circuit board to be tested is indicated if the connection abnormality is displayed on the antenna test equipment 3, 6 and 9.
In an embodiment, the circuit board to be tested is placed on a transmission belt, the transmission belt is connected with a first rotating device and a second rotating device respectively, and the first rotating device and the second rotating device are connected with the antenna testing equipment respectively. After the connection test result of each antenna to be tested is obtained, determining whether each antenna to be tested is normally connected according to the connection test result of each antenna to be tested; if the connection of each antenna to be tested is normal, controlling the first rotating device to rotate so as to drive the transmission belt to transmit the circuit board to be tested to a first storage area; if at least one antenna to be tested is abnormal in connection, the first rotating device is controlled to rotate to drive the transmission belt, so that the circuit board to be tested is transmitted to the second storage area. Through judging whether all antennas to be tested connected with the circuit board to be tested are well connected or not, different rotating devices are controlled to rotate, and the circuit board to be tested with the antennas to be tested which are abnormally connected is separated.
In the antenna testing method provided by the above embodiment, the first probe is controlled to move so as to contact with an antenna to be tested; then controlling the second probe to move so that the second probe is respectively contacted with the rest of antennas to be tested, and enabling the first probe, the antennas to be tested contacted with the first probe, the second probe and the antennas to be tested contacted with the second probe to form an antenna test loop; and then, when an antenna test loop is formed each time, detecting whether the antenna test loop is a passage or not to obtain a connection test result of each antenna to be tested. According to the embodiment, the first probe and the second probe are controlled to move to form the antenna test loop, whether the antenna test loop is a passage or not is detected, and the connection condition of the plurality of antennas on the circuit board can be conveniently and accurately detected.
Referring to fig. 4, fig. 4 is a schematic block diagram of an antenna testing apparatus according to an embodiment of the present disclosure.
As shown in fig. 4, the antenna test apparatus 300 includes a processor 302, a memory 303, a communication interface 304, a first probe 305, and a second probe 306 connected by a system bus 301, wherein the memory may include a nonvolatile storage medium and an internal memory.
The non-volatile storage medium may store a computer program. The computer program includes program instructions that, when executed, cause a processor to perform any of the antenna testing methods.
The processor 302 is used to provide computational and control capabilities to support the operation of the overall antenna test apparatus.
The internal memory provides an environment for the execution of a computer program on a non-volatile storage medium, which when executed by the processor, causes the processor to perform any of the antenna testing methods.
The communication interface 304 is used for transmission of control instructions.
It will be understood by those skilled in the art that the structure shown in fig. 4 is a block diagram of only a portion of the structure relevant to the present application, and does not constitute a limitation on the antenna test apparatus to which the present application is applied, and a particular antenna test apparatus may include more or less components than those shown in the drawings, or combine certain components, or have a different arrangement of components.
It should be understood that the bus 301 is, for example, an I2C (Inter-Integrated Circuit) bus, the Memory 303 may be a Flash chip, a Read-Only Memory (ROM), a magnetic disk, an optical disk, a usb disk, or a removable hard disk, the Processor 302 may be a Central Processing Unit (CPU), and the Processor may also be other general-purpose processors, Digital Signal Processors (DSP), Application Specific Integrated Circuits (ASIC), Field Programmable Gate Arrays (FPGA) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or the like. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Wherein, in one embodiment, the processor is configured to execute a computer program stored in the memory to implement the steps of:
controlling the first probe to move so that the first probe is contacted with one antenna to be tested;
controlling the second probe to move so that the second probe is respectively contacted with the rest of the antennas to be tested, and enabling the first probe, the antennas to be tested contacted with the first probe, the second probe and the antennas to be tested contacted with the second probe to form an antenna test loop;
and when the antenna test loop is formed every time, detecting whether the antenna test loop is a passage or not to obtain a connection test result of each antenna to be tested.
In one embodiment, the processor includes a camera in implementing the antenna test equipment, the circuit board to be tested is placed on an antenna detection platform, and the antenna detection platform is located within a shooting range of the camera; and when the first probe is controlled to move so as to make the first probe contact with one antenna to be tested, the method is used for realizing that:
controlling a preset camera to perform downward shooting on the circuit board to be tested to obtain a downward shot image containing the circuit board to be tested;
determining the position coordinates of each antenna to be detected in the antenna detection platform according to the overhead image;
acquiring a first preset position coordinate of a projection point of the first probe projected on the antenna detection platform;
determining a target antenna to be tested according to the position coordinate of each antenna to be tested and the first preset position coordinate;
and controlling the first probe to move according to the first preset position coordinate, the position coordinate of the target antenna to be detected and a preset distance so as to enable the first probe to be in contact with the target antenna to be detected.
In an embodiment, when the processor determines the target antenna to be tested according to the position coordinate of each antenna to be tested and the first preset position coordinate, the processor is configured to:
determining a horizontal distance between each antenna to be tested and the first probe according to the position coordinate of each antenna to be tested and the first preset position coordinate;
and taking the antenna to be detected with the shortest horizontal distance as a target antenna to be detected.
In one embodiment, the processor is configured to, when the controlling the second probe to move is implemented to make the second probe contact each of the remaining antennas to be tested, so that the first probe, the antenna to be tested contacted by the first probe, and the antenna to be tested contacted by the second probe, form an antenna test loop, implement:
controlling a preset camera to perform downward shooting on the circuit board to be tested to obtain a downward shot image containing the circuit board to be tested;
according to the overhead image, determining position coordinates of each of the rest antennas to be detected in the antenna detection platform;
acquiring a second preset position coordinate of a projection point of the second probe projected on the antenna detection platform;
determining the moving track of the second probe according to the position coordinates of each of the other antennas to be detected and the second preset position coordinates;
and controlling the second probe to move according to the moving track so that the second probe is respectively contacted with each of the rest antennas to be tested, and the first probe, the antenna to be tested contacted with the first probe, the second probe and the second probe form an antenna test loop.
In one embodiment, the processor, when implementing the detecting whether the antenna test loop is a path, is configured to implement:
detecting whether the antenna test loop has current or not;
if the antenna test loop is detected to have current, determining the antenna test loop to be a passage;
and if the antenna test loop is detected to have no current, determining that the antenna test loop is open circuit.
In one embodiment, the processor, when performing the antenna test, is configured to perform:
after the connection test result of each antenna to be tested is obtained, determining the antenna to be tested with abnormal connection according to the connection test result of each antenna to be tested;
and acquiring the antenna number of the antenna to be tested with abnormal connection, and displaying the antenna number.
In one embodiment, the processor is configured to, when the circuit board to be tested is placed on a transmission belt, the transmission belt is connected to the first rotating device and the second rotating device, and the first rotating device and the second rotating device are connected to the antenna testing apparatus, implement:
after the connection test result of each antenna to be tested is obtained, determining whether each antenna to be tested is normally connected according to the connection test result of each antenna to be tested;
if each antenna to be tested is normally connected, controlling the first rotating device to rotate so as to drive the transmission belt to transmit the circuit board to be tested to a first storage area;
and if at least one antenna to be tested is abnormal in connection, controlling the second rotating device to rotate so as to drive the transmission belt to transmit the circuit board to be tested to a second storage area.
In one embodiment, the processor, when performing the antenna test, is configured to perform:
the circuit board includes the wire port, antenna circuit includes antenna, radio frequency cable, radio frequency microstrip transmission line, inductance and the wire that awaits measuring, the antenna that awaits measuring includes the antenna radiator, the antenna radiator with the one end of radio frequency cable is connected, the other end of radio frequency cable with the one end of radio frequency microstrip transmission line is connected, the radio frequency microstrip transmission line other end is connected in the circuit board, the inductance with the radio frequency microstrip transmission line is parallelly connected, the other end of inductance connect in the one end of wire, the other end of wire connect in the wire port of circuit board.
It should be noted that, as will be clearly understood by those skilled in the art, for convenience and brevity of description, the specific working process of the antenna test described above may refer to the corresponding process in the foregoing embodiment of the antenna test control method, and details are not repeated herein
Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, where the computer program includes program instructions, and a method implemented when the program instructions are executed may refer to the embodiments of the antenna testing method of the present application.
The computer-readable storage medium may be an internal storage unit of the antenna testing device according to the foregoing embodiment, for example, a hard disk or a memory of the antenna testing device. The computer readable storage medium may also be an external storage device of the antenna test device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the antenna test device.
It is to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations. It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or system in which the element is included.
The above-mentioned serial numbers of the embodiments of the present application are merely for description, and do not represent the advantages and disadvantages of the embodiments. While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An antenna test method, applied to an antenna test apparatus including a first probe and a second probe, for testing a circuit board to be tested, the circuit board to be tested including a plurality of antenna circuits and a wire port, each of the antenna circuits being connected to the wire port so as to be connected in parallel, each of the antenna circuits including an antenna to be tested, the method comprising:
controlling the first probe to move so that the first probe is contacted with one antenna to be tested;
controlling the second probe to move so that the second probe is respectively contacted with the rest of antennas to be tested, and forming an antenna test loop by the first probe, the antennas to be tested contacted with the first probe, the second probe and the antennas to be tested contacted with the second probe;
and when the antenna test loop is formed every time, detecting whether the antenna test loop is a passage or not to obtain a connection test result of each antenna to be tested.
2. The antenna test method of claim 1, wherein the antenna test equipment comprises a camera, the circuit board to be tested is placed on an antenna detection platform, and the antenna detection platform is located within a shooting range of the camera; the controlling the first probe to move so that the first probe contacts with one antenna to be tested comprises:
controlling a preset camera to perform downward shooting on the circuit board to be tested to obtain a downward shot image containing the circuit board to be tested;
determining the position coordinates of each antenna to be detected in the antenna detection platform according to the overhead image;
acquiring a first preset position coordinate of a projection point of the first probe projected on the antenna detection platform;
determining a target antenna to be tested according to the position coordinate of each antenna to be tested and the first preset position coordinate;
and controlling the first probe to move according to the first preset position coordinate, the position coordinate of the target antenna to be detected and a preset distance so as to enable the first probe to be in contact with the target antenna to be detected.
3. The antenna test method of claim 2, wherein the determining the target antenna under test according to the position coordinates of each of the antennas under test and the first preset position coordinates comprises:
determining a horizontal distance between each antenna to be tested and the first probe according to the position coordinate of each antenna to be tested and the first preset position coordinate;
and taking the antenna to be detected with the shortest horizontal distance as a target antenna to be detected.
4. The antenna test method of claim 1, wherein the antenna test equipment comprises a camera, the circuit board to be tested is placed on an antenna detection platform, and the antenna detection platform is located within a shooting range of the camera; the controlling the second probe to move so that the second probe is respectively contacted with each of the rest antennas to be tested, so that the antennas to be tested contacted with the first probe, the antennas to be tested contacted with the first probe, the second probe and the second probe form an antenna test loop, including:
controlling a preset camera to perform downward shooting on the circuit board to be tested to obtain a downward shot image containing the circuit board to be tested;
according to the overhead image, determining position coordinates of each of the rest antennas to be detected in the antenna detection platform;
acquiring a second preset position coordinate of a projection point of the second probe projected on the antenna detection platform;
determining the moving track of the second probe according to the position coordinates of each of the rest antennas to be detected and the second preset position coordinates;
and controlling the second probe to move according to the moving track so as to enable the second probe to be respectively contacted with each of the rest antennas to be tested, and enabling the first probe, the antenna to be tested contacted with the first probe, the second probe and the antenna to be tested contacted with the second probe to form an antenna test loop.
5. The antenna test method of claim 1, wherein the detecting whether the antenna test loop is a path comprises:
detecting whether the antenna test loop has current or not;
if the antenna test loop is detected to have current, determining the antenna test loop to be a passage;
and if the antenna test loop is detected to have no current, determining that the antenna test loop is open circuit.
6. The antenna testing method of claim 1, wherein the method further comprises:
after the connection test result of each antenna to be tested is obtained, determining the antenna to be tested with abnormal connection according to the connection test result of each antenna to be tested;
and acquiring the antenna number of the antenna to be tested with abnormal connection, and displaying the antenna number.
7. The antenna testing method according to any one of claims 1 to 6, wherein the circuit board to be tested is placed on a conveyor belt, the conveyor belt is connected to a first rotating device and a second rotating device, respectively, and the first rotating device and the second rotating device are connected to the antenna testing apparatus, respectively, the method further comprising:
after the connection test result of each antenna to be tested is obtained, determining whether each antenna to be tested is normally connected according to the connection test result of each antenna to be tested;
if each antenna to be tested is normally connected, controlling the first rotating device to rotate so as to drive the transmission belt to transmit the circuit board to be tested to a first storage area;
if at least one antenna to be tested is abnormal in connection, the second rotating device is controlled to rotate to drive the transmission belt, so that the circuit board to be tested is transmitted to a second storage area.
8. The antenna testing method of any one of claims 1 to 6, wherein the circuit board includes a wire port, the antenna circuit includes an antenna to be tested, a radio frequency cable, a radio frequency microstrip transmission line, an inductor, and a metal wire, the antenna to be tested includes an antenna radiator, the antenna radiator is connected to one end of the radio frequency cable, the other end of the radio frequency cable is connected to one end of the radio frequency microstrip transmission line, the other end of the radio frequency microstrip transmission line is connected to the circuit board, the inductor is connected in parallel with the radio frequency microstrip transmission line, one end of the inductor is connected to the radio frequency microstrip transmission line, the other end of the inductor is connected to one end of the metal wire, and the other end of the metal wire is connected to the wire port of the circuit board.
9. An antenna test apparatus, characterized in that the antenna test apparatus comprises a first probe, a second probe, a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program, when executed by the processor, implements the steps of the antenna test method according to any of claims 1 to 8.
10. A computer-readable storage medium, having stored thereon a computer program, wherein the computer program, when being executed by a processor, is adapted to carry out the steps of the antenna testing method according to any one of the claims 1 to 8.
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| TW559970B (en) * | 2001-04-05 | 2003-11-01 | Kawasaki Microelectronics Inc | Test circuit, semiconductor product wafer having the test circuit, and method of monitoring manufacturing process using the test circuit |
| US20130015870A1 (en) * | 2011-07-14 | 2013-01-17 | Nickel Joshua G | Test system with contact test probes |
| CN104122481B (en) * | 2014-08-05 | 2016-06-08 | 卡尔迈耶（中国）有限公司 | Multifunctional cable detection device |
| CN205212845U (en) * | 2015-12-18 | 2016-05-04 | 上海安费诺永亿通讯电子有限公司 | NFC antenna testing arrangement |
| CN106526397B (en) * | 2016-09-23 | 2019-09-27 | 上海送变电工程公司 | A kind of automated intelligent line inspection method for intelligent substation |
| GB2559326B (en) * | 2017-01-25 | 2019-05-15 | Aeroflex Ltd | System for testing wireless communication equipment employing antennas |
| CN106910985A (en) * | 2017-04-01 | 2017-06-30 | 禾邦电子(苏州)有限公司 | Application of the novel laminated parallel-connection structure NFC antenna in mobile terminal |
| CN207717872U (en) * | 2018-01-16 | 2018-08-10 | 中山香山微波科技有限公司 | Antenna measurement device and Antenna testing system |
| CN208432696U (en) * | 2018-07-27 | 2019-01-25 | 陕西开尔文测控技术有限公司 | PIM encapsulates scanning tester more |
| CN109873680B (en) * | 2018-09-20 | 2021-08-03 | 华南理工大学 | Test system and test method of large-scale array antenna |
| CN109682997A (en) * | 2018-12-24 | 2019-04-26 | 京信通信系统（中国）有限公司 | Electrical tilt antenna can sensing module mainboard test device |
| CN110764017B (en) * | 2019-10-10 | 2022-04-12 | 复旦大学 | Detection method for quickly determining short circuit of electronic device of parallel circuit |
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