CN107335630B - Antenna test system and method - Google Patents
Antenna test system and method Download PDFInfo
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- CN107335630B CN107335630B CN201710473833.3A CN201710473833A CN107335630B CN 107335630 B CN107335630 B CN 107335630B CN 201710473833 A CN201710473833 A CN 201710473833A CN 107335630 B CN107335630 B CN 107335630B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Measurement Of Resistance Or Impedance (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an antenna test system, which comprises a PC, a scanning gun, a resistance tester, a network analyzer and a test jig, wherein the PC comprises a data acquisition module, a data analysis module and a control module which are connected with each other; the scanning gun, the resistance tester and the network analyzer are in communication connection with a data acquisition module of the PC; the testing jig comprises a testing platform and a first air cylinder and a second air cylinder which are arranged above the testing platform, wherein the first air cylinder and the second air cylinder are both in communication connection with a control module of the PC; the power output end of the first cylinder is connected with the probe of the network analyzer, and the power output end of the second cylinder is connected with the probe of the resistance tester. An antenna testing method using the testing system is also disclosed. The invention can improve the test efficiency, is convenient for data analysis and management and prevents defective products from flowing out.
Description
Technical Field
The present invention relates to the field of antenna testing technologies, and in particular, to an antenna testing system and method.
Background
The antenna is an indispensable part of communication, and with the development of technology, near field communication is increasingly widely applied to our life, such as functions of NFC of our mobile phone, wireless charging of the mobile phone, and the like. Such antenna products require RF performance testing and resistance testing during production testing.
In the prior art, the process of the antenna product in the production test is as follows: and testing the RF performance of the antenna product by using a network analyzer, testing the resistance by using a resistance tester, and finally judging whether the RF performance and the resistance are PASS at the same time manually according to the data respectively measured by the two instruments so as to judge whether the antenna product is qualified. The current testing mode has the following defects:
1. the whole testing process is required to be carried out on different instruments, and the time required by testing is long due to instrument replacement, so that the labor cost is wasted;
2. the manual judgment is easy to have errors, so that defective products flow out;
3. the data measured by the existing resistance tester is generally stored in the tester only, cannot be associated with an antenna product, and cannot track the resistance of the product at a later stage.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the antenna test system and the method can be used for performing RF performance test and resistance test on one device, improving test efficiency, correlating test data with products one by one, facilitating data management and tracking, and preventing defective products from flowing out.
In order to solve the technical problems, the first technical scheme adopted by the invention is as follows:
the antenna test system comprises a PC, a scanning gun, a resistance tester, a network analyzer and a test jig, wherein the PC comprises a data acquisition module, a data analysis module and a control module which are connected with each other; the scanning gun, the resistance tester and the network analyzer are in communication connection with a data acquisition module of the PC; the testing jig comprises a testing platform and a first air cylinder and a second air cylinder which are arranged above the testing platform, wherein the first air cylinder and the second air cylinder are both in communication connection with a control module of the PC; the power output end of the first cylinder is connected with the probe of the network analyzer, and the power output end of the second cylinder is connected with the probe of the resistance tester.
In order to solve the technical problems, the second technical scheme adopted by the invention is as follows:
an antenna test method using the antenna test system comprises the following steps:
s1, scanning a bar code on an antenna product by using a scanning gun, and transmitting bar code information to a PC (personal computer) by using the scanning gun;
s2, placing the product into a testing jig, respectively driving a probe of a network analyzer and a probe of a resistance tester to press the product, respectively acquiring RF performance testing data and resistance testing data by the network analyzer and the resistance tester, and transmitting the data to a PC;
s3, a data analysis module of the PC analyzes the acquired data, if the analysis result is PASS, bar code information, RF performance test data and resistance test data of the product are put into a file, and then the file is stored into a database; if the analysis result is FAIL, the data is not stored, and the control module of the PC machine gives out a signal to enable the test fixture to be in a locking state.
The invention has the beneficial effects that: the RF performance test and the resistance test of the antenna can be continuously completed on one device, so that the whole test procedure can be simplified, and the test time can be shortened; after the test, the system can automatically collect, judge and store the test data, and compared with the manual judgment in the prior art, the system has higher judgment efficiency and accuracy on one hand, and can correlate and store the product information and the test data one by one on the other hand, thereby being beneficial to later tracking; in addition, when the data of product test is unqualified, the PC can also control the test fixture to be in a locking state, and the test fixture can be unlocked to be used continuously until an unlocking signal is given, so that the outflow of defective products can be effectively prevented.
Drawings
Fig. 1 is a schematic structural diagram of an antenna testing system according to a first embodiment of the present invention;
description of the reference numerals:
1. a server; 2. a switch; 3. a PC; 4. a network analyzer; 5. a resistance tester;
6. a scanning gun; 7. an I/O interface box; 8. a relay; 9. a photocoupler; 10. testing jig.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical conception of the invention is that the scanning gun 6, the resistance tester 5 and the network analyzer 4 are all connected with the PC 3 in a communication way, the PC 3 can control the probe actions of the resistance tester 5 and the network analyzer 4 and can also carry out bar code judgment, data analysis and storage.
Referring to fig. 1, an antenna test system includes a PC 3, a scanning gun 6, a resistance tester 5, a network analyzer 4 and a test fixture 10, where the PC 3 includes a data acquisition module, a data analysis module and a control module that are connected with each other; the scanning gun 6, the resistance tester 5 and the network analyzer 4 are in communication connection with a data acquisition module of the PC 3; the test fixture 10 comprises a test platform, and a first air cylinder and a second air cylinder which are arranged above the test platform, wherein the first air cylinder and the second air cylinder are both in communication connection with a control module of the PC 3; the power output end of the first cylinder is connected with the probe of the network analyzer 4, and the power output end of the second cylinder is connected with the probe of the resistance tester 5.
From the above description, the beneficial effects of the invention are as follows: the RF performance test and the resistance test of the antenna can be continuously completed on one device, so that the whole test procedure can be simplified, and the test time can be shortened; after the test, the system can automatically collect, judge and store the test data, and compared with the manual judgment in the prior art, the system has higher judgment efficiency and accuracy on one hand, and can correlate and store the product information and the test data one by one on the other hand, thereby being beneficial to later tracking; in addition, when the data of the product test are unqualified, the PC can also control the test fixture 10 to be in a locking state, and the test fixture 10 can be unlocked to be used continuously until an unlocking signal is given, so that the outflow of defective products can be effectively prevented.
Further, the system also comprises a switch 2, wherein the switch is connected between the PC 3 and the network analyzer 4.
Further, a server 1 is also included, the server 1 is connected to the switch 2, and the server 1 includes a database.
From the above description, when the PC collects data and the analysis data is qualified, the PC can store the data into the database of the server through the switch so as to view and track later, and all the data in the database can be used as basic data for checking the next round of bar code information.
Further, the test fixture 10 further includes a first switch, a second switch, and a power supply for providing electric power for the first cylinder and the second cylinder, where the first switch, the second switch and the power supply are connected in series.
As can be seen from the above description, the test system cannot be started by pressing one of the switches alone, and the test system can be started only when the first switch and the second switch are pressed simultaneously.
Further, the intelligent electronic device further comprises an I/O interface box 7, a relay 8, a defective product box and a photoelectric coupler 9 arranged in the defective product box, wherein the I/O interface box 7 comprises a USB interface, a P2.0 interface, a P2.2 interface, a P1.1 interface and a P1.0 interface, and the PC 3 is connected with the USB interface; the P2.0 interface is connected in a series loop of the first switch and the second switch; the P2.2 interface is connected with the photoelectric coupler 9; the P1.1 interface and the P1.0 interface are respectively connected with an input interface of the relay 8, and an output interface of the relay 8 is connected with the first cylinder and the second cylinder.
As can be seen from the above description, when the product is judged to be unqualified, the test fixture is locked, and only when the defective product is placed in the defective product box to block infrared light of the photoelectric coupler, the I/O interface box receives a low-level signal through the P2.2 interface and transmits the low-level signal to the PC through the USB interface, and the PC gives out a control signal to unlock the test fixture, so that each defective product can be ensured to enter the defective product box; the relay can convert a 5V signal provided by the I/O box into a 24V signal to enable the first cylinder and the second cylinder to operate (the cylinder operation requires 24V voltage).
An antenna test method using the antenna test system comprises the following steps:
s1, scanning a bar code on an antenna product by using a scanning gun 6, and transmitting bar code information to a PC 3 by using the scanning gun 6;
s2, placing the product into a test jig 10, respectively driving a probe of a network analyzer 4 and a probe of a resistance tester 5 to contact the product by a first cylinder and a second cylinder, respectively acquiring RF performance test data and resistance test data by the network analyzer 4 and the resistance tester 5, and transmitting the data to a PC 3;
s3, the data analysis module of the PC 3 analyzes the acquired data, if the analysis result is PASS, the bar code information, the RF performance test data and the resistance test data of the product are put into a file, and then the file is stored into a database; if the analysis result is FAIL, the data is not stored, and the control module of the PC 3 gives out a signal to make the test fixture 10 in a locking state.
From the above description, the test method has high efficiency and accurate judgment, and can effectively prevent defective products from being mixed into good products; compared with the prior art, the resistance test data can be automatically acquired and recorded and is associated with bar code information and RF test data, thereby being beneficial to product tracking.
Further, step S1 further includes: after receiving the bar code information, the PC 3 searches the same bar code information from the database, and if the same bar code information is not found, the next test is carried out; if found, the PC 3 interface gives an alarm and stops the test of the product.
Further, the step S3 further includes the steps of: and (3) putting the product with the analysis result of FAIL into a defective product box, blocking infrared light emitted by the photoelectric coupler 9, receiving a low-level signal by the I/O interface box 7, transmitting the signal to the PC 3, and unlocking the test fixture 10 after the PC 3 receives the signal.
Further, the data analysis in step S3 specifically includes: performing AND processing on the RF performance test data and the resistance test data, then performing true and false judgment on the data after AND processing, and if the judgment result is true, displaying the result as PASS; if the judgment result is false, the display result is FAIL.
Further, in step S2, the network analyzer 4 transmits the RF performance test data to the PC 3 through the switch 2.
Example 1
Referring to fig. 1, a first embodiment of the present invention is as follows: the antenna test system comprises a server 1, a switch 2, a PC 3, a scanning gun 6, a resistance tester 5, a network analyzer 4 and a test jig 10, wherein the server 1 comprises a database for storing bar code information and test data of products. The switch 2 is respectively connected with the server 1, the PC 3 and the network tester in a communication way through three LAN interfaces. The PC 3 is the core of the system and comprises a data acquisition module, a data analysis module and a control module which are connected with each other, and can respectively acquire product data, analyze the data and control the actions of a jig, and bar code judgment, data storage, system locking and unlocking are all executed. The scanning gun 6 is connected with the data acquisition module of the PC 3 through a USB interface; the network analyzer 4 is connected with the switch 2 through a LAN interface, and can realize communication with the PC 3 through the switch 2; the resistance tester 5 is directly connected with the PC 3 through an RS232 interface to realize communication with the PC 3; the resistance tester 5, the network analyzer 4 and the scanning gun 6 can transmit the data obtained by the resistance tester to a data acquisition module of the PC 3.
The test fixture 10 comprises a test platform, and a first air cylinder and a second air cylinder which are arranged above the test platform, wherein the first air cylinder and the second air cylinder are both in communication connection with a control module of the PC 3; the power output end of the first cylinder is connected with the probe of the network analyzer 4, and the power output end of the second cylinder is connected with the probe of the resistance tester 5. Specifically, an I/O interface box 7 and a relay 8 are further connected between the control module of the PC 3 and the test fixture 10, the I/O interface box 7 includes a USB interface, a P2.0 interface, a P2.2 interface, a P1.1 interface and a P1.0 interface, and the PC 3 is connected to the USB interface of the I/O interface box 7; the P2.0 interface is connected in a power supply loop of the test fixture 10, the relay 8 comprises an OHM input interface, an RF input interface, an OHM output interface and an RF output interface, the P1.1 interface and the P1.0 interface of the I/O interface box 7 are respectively connected with the OHM input interface and the RF input interface of the relay 8, and the OHM output interface and the RF output interface are respectively connected with the second cylinder and the first cylinder. The relay 8 is used for converting the 5V signal provided by the I/O interface box 7 into a 24V signal, so that the test fixture 10 operates in a cylinder (the cylinder operation requires a voltage of 24V).
The test fixture 10 further comprises a defective box for preventing defective products and a photoelectric coupler 9 arranged in the defective box, and the P2.2 interface of the I/O interface box 7 is connected with the photoelectric coupler 9. The power supply loop of the test fixture 10 is connected with a first switch and a second switch in series, and the test system can be started only when the first switch and the second switch are pressed down simultaneously.
The working principle of the system is as follows: firstly, scanning the bar code of the product by using a scanning gun 6, transmitting bar code information of the product to a PC 3 through a USB interface by using the scanning gun 6, searching the same bar code information from a database of a server 1 after the PC 3 receives the bar code information, and if the same bar code information is not found, carrying out normal test and executing the next test; if the software in the interface of the PC 3 is found, the prompt is given, the bar code is repeated, and the system cannot be tested. Then put the product on the test platform of the test fixture 10, press first switch and second switch at the same time, P2.0 interface of I/O interface box 7 receives a low level signal, and transmit this signal to PC 3 through USB interface, PC 3 feeds back the first cylinder and pushes down the signal (this signal is offered by P1.0 in the I/O box), the signal is transmitted to the first cylinder after the voltage is amplified through the relay 8, the first cylinder pushes down the product, the network analyzer 4 can gather RF data, RF data is transmitted to PC 3 through LAN interface and switch 2. Then the PC 3 gives out a signal to control the second cylinder to press down against the product, the resistance tester 5 can collect resistance test data and transmit the data to the PC 3 through the RS232 interface (the pressing down sequence of the first cylinder and the second cylinder can be exchanged). So far, the data acquisition is completed. The software part of the PC 3 analyzes and judges the acquired data, and if the result is PASS, the information of the product is stored in the database of the server 1; if the result is FAIL, the PC 3 controls the first air cylinder and the second air cylinder to be in a locking state through software until the unqualified products on the testing platform are put into the unqualified product box, when the infrared light of the photoelectric coupler 9 is blocked, the P2.2 interface of the I/O interface box 7 can detect a low-level signal, the I/O box informs the PC 3 of the low-level signal through USB, and the software can automatically unlock the system after receiving the signal.
Example two
The embodiment is an antenna testing method, which includes the following steps:
s1, scanning a bar code on an antenna product by using a scanning gun 6, and transmitting bar code information to a PC 3 by using the scanning gun 6; after receiving the bar code information, the PC 3 searches the same bar code information from the database, and if the same bar code information is not found, the next test is carried out; if found, the PC 3 interface gives an alarm and stops the test of the product.
S2, placing the product into a test jig 10, wherein a first cylinder and a second cylinder respectively drive a probe of a network analyzer 4 and a probe of a resistance tester 5 to press the product, the network analyzer 4 and the resistance tester 5 respectively collect RF performance test data and resistance test data, the network analyzer 4 transmits the RF performance test data to a PC 3 through a switch 2, and the resistance tester 5 can directly transmit the data to the PC 3 through a USB interface;
s3, the data analysis module of the PC 3 analyzes the acquired data, if the analysis result is PASS, the bar code information, the RF performance test data and the resistance test data of the product are put into a file, and then the file is stored into a database; if the analysis result is FAIL, the data is not stored, and the control module of the PC 3 gives out a signal to make the test fixture 10 in a locking state.
The data analysis is specifically as follows: performing AND processing on the RF performance test data and the resistance test data, then performing true and false judgment on the data after AND processing, and if the judgment result is true, displaying the result as PASS; if the judgment result is false, the display result is FAIL.
S4, putting the product with the analysis result of FAIL into a defective product box, blocking infrared light emitted by the photoelectric coupler 9, receiving a low-level signal by the I/O interface box 7, transmitting the signal to the PC 3, and unlocking the test fixture 10 after the PC 3 receives the signal.
In conclusion, the antenna test system and the antenna test method provided by the invention can greatly shorten the test time, reduce the labor cost, prevent defective products from being mixed into good products, have higher data arrangement efficiency, and are beneficial to later tracking.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (8)
1. The antenna test system is characterized by comprising a PC, a scanning gun, a resistance tester, a network analyzer and a test jig, wherein the PC comprises a data acquisition module, a data analysis module and a control module which are connected with each other; the scanning gun, the resistance tester and the network analyzer are in communication connection with a data acquisition module of the PC; the testing jig comprises a testing platform and a first air cylinder and a second air cylinder which are arranged above the testing platform, wherein the first air cylinder and the second air cylinder are both in communication connection with a control module of the PC; the power output end of the first cylinder is connected with the probe of the network analyzer, and the power output end of the second cylinder is connected with the probe of the resistance tester;
the test fixture further comprises a first switch, a second switch and a power supply for providing electric energy for the first air cylinder and the second air cylinder, wherein the first switch, the second switch and the power supply are connected in series;
the intelligent control system further comprises an I/O interface box, a relay, a defective product box and a photoelectric coupler arranged in the defective product box, wherein the I/O interface box comprises a USB interface, a P2.0 interface, a P2.2 interface, a P1.1 interface and a P1.0 interface, and the PC is connected with the USB interface; the P2.0 interface is connected in a series loop of the first switch and the second switch; the P2.2 interface is connected with the photoelectric coupler; the P1.1 interface and the P1.0 interface are respectively connected with the input interface of the relay, and the output interface of the relay is connected with the first cylinder and the second cylinder.
2. The antenna test system of claim 1, further comprising a switch connected between the PC and a network analyzer.
3. The antenna test system of claim 2, further comprising a server, the server coupled to the switch, the server comprising a database.
4. An antenna testing method using the antenna testing system according to any one of claims 1-3, comprising the steps of:
s1, scanning a bar code on an antenna product by using a scanning gun, and transmitting bar code information to a PC (personal computer) by using the scanning gun;
s2, placing the product into a testing jig, respectively driving a probe of a network analyzer and a probe of a resistance tester to press the product, respectively acquiring RF performance testing data and resistance testing data by the network analyzer and the resistance tester, and transmitting the data to a PC;
s3, a data analysis module of the PC analyzes the acquired data, if the analysis result is PASS, bar code information, RF performance test data and resistance test data of the product are put into a file, and then the file is stored into a database;
if the analysis result is FAIL, the data is not stored, and the control module of the PC machine gives out a signal to enable the test fixture to be in a locking state.
5. The antenna testing method of claim 4, wherein step S1 further comprises: after receiving the bar code information, the PC searches the same bar code information from the database, and if the same bar code information is not found, the PC performs the next test; if found, the PC interface gives an alarm and stops the test of the product.
6. The antenna testing method according to claim 4, further comprising the step of, after step S3: and (3) putting the product with the analysis result of FAIL into a defective product box, blocking infrared light emitted by the photoelectric coupler, receiving a low-level signal by the I/O interface box, transmitting the signal to a PC, and unlocking the test fixture after receiving the signal by the PC.
7. The antenna testing method according to claim 4, wherein the data analysis in step S3 specifically includes: performing AND processing on the RF performance test data and the resistance test data, then performing true and false judgment on the data after AND processing, and if the judgment result is true, displaying the result as PASS; if the judgment result is false, the display result is FAIL.
8. The antenna testing method according to claim 4, wherein the network analyzer transmits the RF performance test data to the PC through the switch in step S2.
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| CN108055171A (en) * | 2018-01-22 | 2018-05-18 | 深圳市吉祥腾达科技有限公司 | A kind of test method and system integrated handling capacity and surveyed eventually |
| CN108152603B (en) * | 2018-01-23 | 2024-06-18 | 深圳市信维通信股份有限公司 | Antenna radio frequency and impedance test fixture |
| CN109188083A (en) * | 2018-08-28 | 2019-01-11 | 深圳市信维通信股份有限公司 | A kind of RF consistency of LDS antenna and line impedance detection system and method |
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