CN115840124A - System and method for controlling continuous operation of test fixture machine according to test result - Google Patents
System and method for controlling continuous operation of test fixture machine according to test result Download PDFInfo
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Abstract
The invention discloses a system and a method for controlling a test fixture machine station to continuously operate according to a test result, wherein the test fixture machine station is firstly connected to a fixture management server to confirm whether a circuit board can operate or not before the circuit board is tested, the circuit board is tested to generate a test result when the test fixture machine station can operate, and a data server transmits an abnormal notification message to the fixture management server when the test result meets a data processing rule, so that the fixture management server sets a technical means that the test fixture machine station cannot operate according to the abnormal notification message, can effectively master the abrasion/aging state of the test fixture machine station, and achieves the technical effect of reducing the abnormal probability of the test result.
Description
Technical Field
The present invention relates to a system and method for controlling the operation of a test fixture, and more particularly, to a system and method for controlling the continuous operation of a test fixture according to a test result.
Background
Industry 4.0 (Industry 4.0), also known as the fourth industrial revolution, is not a new industrial technology created solely, but focuses on integrating the existing industrial technologies, sales processes and product experiences, building an intelligent factory with adaptability, resource efficiency and human factors engineering by artificial intelligence technology, and integrating customers and business partners in business processes and value processes to provide complete after-sales services, thereby constructing a novel intelligent industrial world with perceptual awareness.
With the 4.0 industrial wave striking the world, manufacturers have no intelligent manufacturing optimization production transformation, and the competitiveness is improved. The intelligent manufacturing is based on sensing technology, network technology, automation technology and artificial intelligence, and realizes the intellectualization of product design and manufacturing, enterprise management and service through the processes of perception, man-machine interaction, decision, execution and feedback.
The electronic assembly industry is thin and profitable, and the price competition of products is strong, so that the manufacturers pursue more effective control and optimization on raw materials and production tools, and the production resource benefit of factories is maximized. In the production line of the printed circuit board, after the production operation flow of the printed circuit board is completed, a test detection link is entered.
In the testing and detecting step, the testing process is usually performed with the aid of a testing fixture. A printed circuit board can be tested on a test fixture machine platform in a predefined way, and after the test is finished, no matter whether the printed circuit board passes the test or not, the test software can generate a record file of the test process. If the printed circuit board does not pass the test, the test software can record different defect codes (defect codes) according to the types of the abnormal codes so as to facilitate maintenance personnel to directly search the abnormal positions according to the defect codes and maintain the abnormal positions. Meanwhile, after the printed circuit board is tested, the printed circuit board can be taken down from the test fixture machine no matter whether the printed circuit board passes the test or not, and a new printed circuit board can be placed on the test fixture machine and the same test can be repeated by the test fixture machine.
In the testing process, the printed circuit board product board can be continuously put into the testing jig machine for testing and then taken away, so that the testing jig machine can be worn and aged by the printed circuit board, and after a certain using time and using times are reached, accidental abnormity can occur on the testing jig machine, so that the normal printed circuit board can not pass the testing; if the test fixture machine is not repaired or maintained as soon as possible, the loss is accumulated continuously until the test fixture machine is abnormal frequently, and the production efficiency is affected.
In order to avoid such problems, the test fixture needs to be maintained regularly, but the current maintenance is performed in a predetermined period, for example, the maintenance is performed after a fixed time interval or test number according to experience or history records, and the wear/aging state of the test fixture cannot be effectively controlled, so that the wear/aging state of the test fixture may be enough to affect the test accuracy before the maintenance time reaches.
In summary, it is known that there is a problem in the prior art that the test result may be abnormal due to the periodic maintenance of the test fixture according to experience or history and the effective control of the wear/aging status of the test fixture cannot be obtained, and therefore, an improved technical means is needed to solve the problem.
Disclosure of Invention
In view of the problem of the prior art that the wear/aging status of the test fixture may not be effectively controlled, the present invention discloses a system and a method for controlling the continuous operation of the test fixture according to the test result, wherein:
the invention discloses a system for controlling the continuous operation of a test fixture machine according to a test result, which at least comprises: a jig management server; the test fixture machine is connected to the fixture management server to test the circuit board and generate a test result corresponding to the circuit board when the test fixture machine is confirmed to be operable; and the data server is used for obtaining the test result and generating an abnormal notification message corresponding to the data processing rule and transmitting the abnormal notification message to the jig management server when the test result meets the data processing rule, so that the jig management server sets the test jig machine to be inoperable according to the abnormal notification message.
The invention discloses a method for controlling the continuous operation of a test fixture machine according to a test result, which at least comprises the following steps: testing the circuit board and generating a test result corresponding to the circuit board when the test fixture machine to the fixture management server confirms that the test fixture machine can operate; when the data server obtains the test result and judges that the test result meets the data processing rule, generating an abnormal notification message corresponding to the data processing rule and transmitting the abnormal notification message to the jig management server; the tool management server sets the test tool machine to be inoperable according to the abnormal notification message.
The system and the method disclosed by the invention are different from the prior art in that the test fixture machine is firstly connected to the fixture management server to confirm whether the test fixture machine can operate or not before testing the circuit board, the circuit board is tested to generate a test result when the test fixture machine can operate, and the data server transmits an abnormal notification message to the fixture management server when the test result meets the data processing rule, so that the abnormal notification message of the fixture management server sets that the test fixture machine cannot operate, thereby solving the problems in the prior art and achieving the technical effect of maintaining the test fixture machine in time to reduce the abnormal probability of the test result.
Drawings
Fig. 1 is a system architecture diagram for controlling the test fixture to operate continuously according to the test result.
Fig. 2A is a flowchart of a method for controlling a test fixture to continuously operate according to a test result.
Fig. 2B is a flowchart of a method for controlling whether a test fixture machine is running by the fixture management server according to the present invention.
Fig. 2C is a flowchart of an additional method for generating a test result by the testing tool provided by the present invention.
Fig. 2D is a flowchart of a method for generating an exception notification message by a data server according to the present invention.
Description of the reference numerals:
110. test fixture machine
120. Data server
121. Data acquisition host
125. Data processing host
130. Tool management server
150. Maintenance terminal
Detailed Description
The features and embodiments of the present invention will be described in detail with reference to the drawings and examples, which are sufficient for those skilled in the art to easily understand the technical means applied to solve the technical problems and to implement the technical means, thereby achieving the effects achieved by the present invention.
The invention can control the test fixture machine whether to test the circuit board or not through the fixture management server according to the test state of the test fixture machine.
The system operation of the present invention will be described with reference to fig. 1, which is a system architecture diagram for controlling the test fixture to operate continuously according to the test result. As shown in fig. 1, the system of the present invention includes a test fixture machine 110, a data server 120, a fixture management server 130, and an attachable maintenance end 150. The data or signals may be transmitted between the test fixture machine 110 and the data server 120, between the test fixture machine 110 and the fixture management server 130, between the data server 120 and the fixture management server 130, and between the fixture management server 130 and the maintenance end 150 in a wired or wireless manner, and the test fixture machine 110, the data server 120, the fixture management server 130, and the maintenance end 150 may be computing devices.
The test fixture 110 is responsible for connecting to the fixture management server 130 to determine whether the test fixture 110 itself can operate, i.e., determine whether it can continue testing the circuit board. For example, the test fixture 110 may send a query request to the fixture management server 130, receive a query result from the fixture management server 130, and determine whether it is operable according to the received query result.
The test fixture apparatus 110 may set apparatus identification data, and may determine whether the test fixture apparatus is operable according to the set apparatus identification data from the apparatus management server 130. For example, the test fixture 110 may add the device identification data to the query request when generating the query request.
The testing tool 110 is also responsible for testing the circuit board when it is determined that it can run, and generating a testing result corresponding to the tested circuit board. The manner of testing the circuit board and generating the corresponding test result by the testing tool 110 includes, but is not limited to, testing the circuit board by various test programs with corresponding test items, wherein the detailed test process of various test items is already the prior art, and therefore not described in more detail.
In some embodiments, the testing tool 110 may also obtain product identification data of the tested circuit board and generate a testing result including the obtained product identification data. For example, the testing tool machine 110 may include a scanner, which may scan the product identification data printed or attached on the circuit board. The product identification data includes, but is not limited to, a serial number of the circuit board, and the like.
The test result generated by the testing tool machine 110 includes one or more pieces of result data, and each piece of result data may include an error identification code, machine identification data of the testing tool machine 110, product identification data of the tested circuit board, test time, and the like, but the invention is not limited thereto.
The testing tool machine 110 may also store the generated testing result, or may transmit the generated testing result to an external device such as a storage device or a data server 120 for storage.
The data server 120 is responsible for obtaining the test result generated by the testing tool 110 and for selecting whether to transmit the abnormal notification message to the tool management server 130 according to the obtained test result. The abnormal notification message may include the machine identification data of the test fixture machine 110 read from the test result by the data server 120.
In some embodiments, the data server 120 may also be configured to include a data obtaining host 121 and a data processing host 125, data or signals may be transmitted between the data obtaining host 121 and the data processing host 125 in a wired or wireless manner, and the data server 120 may include all functions and data processing capabilities of the data obtaining host 121 and the data processing host 125. The data acquiring host 121 and the data processing host 125 will be described below to describe the data server 120.
The data acquiring host 121 is responsible for acquiring the test result generated by the testing tool 110. The data acquisition host 121 may be connected to the test tool 110 to download the test result generated by the test tool 110, receive the test result transmitted by the test tool 110, or be connected to an external device storing the test result generated by the test tool 110 to read the test result generated by the test tool 110.
The data processing host 125 can retrieve the data processing rules. The data processing rules retrieved by the data processing host 125 include one or more check rules. Generally, the data processing rule is recorded by the data processing host 125, and the data processing host 125 may provide an administrator to set the data processing rule or obtain the data processing rule from other external devices.
The data processing host 125 is also responsible for determining whether the test result obtained by the data obtaining host 121 satisfies the obtained data processing rule, i.e. determining whether the test result satisfies any check rule. If not, finishing the judgment; if so, the data processing host 125 is also responsible for generating an exception notification message and for transmitting the generated exception notification message to the jig management server 130.
More specifically, the data processing host 125 may also obtain one or more result data from the test results obtained by the data obtaining host 121, and generate accumulated data according to the history and the obtained result data. The history record of the present invention includes all or part of the result data generated by the same testing tool 110 in a past period of time. The data processing host 125 may store the history record, or be connected to an external device to read the history record, and the present invention is not particularly limited; the accumulated data provided by the present invention is data generated after statistical analysis is performed on the result data and the history, but the present invention is not limited thereto.
The data processing host 125 may also compare the generated accumulated data with each of the obtained data processing rules one by one, and determine whether the test result satisfies the data processing rules according to the comparison result. For example, the data processing rule may include inspection rules that a certain number of (e.g., three) circuit boards are continuously tested and correspond to the same error identification code (i.e., the same abnormal condition occurs on the three circuit boards), a certain number of circuit boards are continuously tested and correspond to the same error identification code (i.e., the same abnormal condition occurs on the circuit boards in a certain number within two hours) within a certain testing time (e.g., two hours), and a certain number of circuit boards are continuously tested and correspond to the same error identification code (i.e., the same abnormal condition occurs on the circuit boards in a certain number of twenty circuit boards).
The data processing host 125 may also generate an exception description message corresponding to the satisfied check rule when one or more check results in the data processing rule are satisfied by the accumulated data, that is, when the test result satisfies the data processing rule, and may generate an exception notification message including the generated exception description message.
The tool management server 130 is responsible for providing the test tool 110 to determine whether it is operable. More specifically, the tool management server 130 may receive the query request transmitted by the test tool machine 110, read the machine identification data included in the query request, query the corresponding query result according to the read machine identification data, i.e., query the operable state corresponding to the read machine identification data, and transmit the query result back to the test tool machine 110 that issued the query request. The operable state may indicate whether the test fixture 110 set as the corresponding equipment identification data is operable.
The tool management server 130 is also responsible for receiving the abnormal notification message transmitted by the data server 120, and for setting the test tool 110 to be inoperable according to the received abnormal notification message; the fixture management server 130 may also receive the exception removal message transmitted by the maintenance end 150, and may test the operation of the fixture machine 110 according to the received setting. More specifically, the tool management server 130 may obtain the tool identification data from the received abnormality notification message or the abnormality elimination message, and set or record whether the test tool 110 corresponding to the obtained tool identification data can be operated or not.
The fixture management server 130 may also generate a maintenance notification message and transmit the generated maintenance notification message to the maintenance terminal 150 when receiving the abnormality notification message transmitted by the data server 120 or when confirming that the test fixture 110 is not operable. The maintenance notification message includes the machine identification data of the test fixture machine 110. In more detail, the tool management server 130 may obtain the tool identification data from the received abnormal notification message or the received query request from the testing tool 110, and generate the maintenance notification message containing the obtained tool identification data.
The maintenance terminal 150 may receive the maintenance notification message transmitted by the fixture management server 130, or may connect to the fixture management server 130 and transmit the exception removal message to the fixture management server 130.
The maintenance terminal 150 may be a mobile phone, a tablet computer, a notebook computer, etc., and any computing device that can provide an operation interface for the maintenance personnel, so that the maintenance personnel can operate or set the operation interface and transmit an exception elimination message to the jig management server 130 to set the test jig machine 110 to operate can be used as the maintenance terminal 150 of the present invention.
Next, an embodiment of the operation system and method of the present invention is described with reference to fig. 2A, which is a flowchart of a method for controlling a test fixture to continuously operate according to a test result.
In the production line of the circuit board, if the tester uses the present invention to test the circuit board, after the circuit board is placed on the test fixture machine 110 and the test fixture machine 110 is started, the test fixture machine 110 can be connected to the fixture management server 130 to confirm whether the test fixture machine 110 can operate (step 210). In the embodiment, it is assumed that before the tester places the circuit board on the test fixture 110, the tester can operate the scanner of the test fixture 110, so that the test fixture 110 scans the product serial number (product identification data) of the circuit board through the scanner.
In addition, in the embodiment, it is also assumed that the production line includes a plurality of test fixture machines 110, as shown in the flow of fig. 2B, each test fixture machine 110 may first provide the tester with machine identification data thereof, and may set the machine identification data according to the machine identification data input by the tester (step 201), and then, before the test fixture machine 110 is connected to the fixture management server 130 or when the test fixture machine 110 is connected to the fixture management server 130, a query request including the machine identification data thereof is generated, so as to transmit the generated query request to the fixture management server 130 (step 211).
After the tool management server 130 receives the query request transmitted by the test tool 110, it can determine whether the test tool 110 sending the query request can operate according to the tool identification data in the received query request (step 213). For example, the tool management server 130 may query whether the corresponding test tool 110 is operable according to the tool identification data in the received query request, generate a corresponding query result, and transmit the generated query result back to the test tool 110 that sent the query request.
It should be noted that, if the fixture management server 130 determines that the test fixture 110 sending the query request is not operable and the embodiment includes the maintenance end 150, the fixture management server 130 may notify the maintenance end 150 that the test fixture 110 sending the query request needs to be maintained (step 217). For example, the tool management server 130 may read the machine identification data from the received query request, obtain the machine information such as the position of the machine according to the read machine identification data, generate the maintenance notification message including the extracted machine identification data and/or the machine information, and transmit the generated maintenance notification message to the maintenance end 150, so that the maintenance end 150 may display the maintenance notification message to the maintenance staff, so that the maintenance staff may know that the test tool 110 needs to be maintained according to the maintenance notification message.
After the test fixture machine 110 receives the query result transmitted by the fixture management server 130, it can determine whether it can operate according to the received query result, that is, determine whether it can test the circuit board. If the testing tool 110 determines that it is not operable according to the received query result, it can indicate that the circuit board cannot be tested currently through the display or the light signal; if the testing tool machine 110 determines that it can operate according to the received query result, the testing tool machine 110 can test the circuit board disposed thereon according to the testing procedure predetermined by the tester, and can generate a testing result corresponding to the tested circuit board after the testing is completed (step 220). As shown in the flow of fig. 2C, the test fixture 110 may obtain product identification data of the circuit board previously obtained by the scanner and generate a test result including the obtained product identification data (steps 221 and 225), for example, the product identification data of the circuit board is used as a file name of the test result of the circuit board.
After the testing tool 110 generates the testing result of the circuit board, the data server 120 can obtain the testing result generated by the testing tool 110 (step 230). In the embodiment, it is assumed that the data server 120 includes a data obtaining host 121 and a data processing host 125, and an Agent (Agent) is executed on the data obtaining host 121, and the Agent can be connected to the test fixture 110 through the data obtaining host 121 to download the test result generated by the test fixture 110 and transmit the obtained test result to the data processing host 125.
After the data server 120 obtains the test result generated by the test fixture 110 (step 230), the data server 120 may determine whether the obtained test result satisfies the pre-established data processing rule. In this embodiment, it is assumed that the data processing host 125 can read the result data of the test fixture 110, such as the tool identification data, the error identification code, the test time, etc., from the test result after obtaining the test result, and can classify the obtained test result according to the read result data. Then, the data processing host 125 may read the history of the test fixture 110 according to the obtained equipment identification data, and may perform statistical analysis on the obtained result data and the obtained history to generate accumulated data, and then the data processing host 125 may compare the generated accumulated data with all the check rules in the data processing rules one by one, and determine whether the test result satisfies the data processing rules according to the comparison result. For example, when the check rule includes "the same misidentification code appears three times consecutively" and "the same misidentification code appears three times cumulatively within two hours", the data processing host 125 may compare whether the cumulative data has the same misidentification code appearing three times consecutively, then compare whether the cumulative data has the same misidentification code appearing three times cumulatively within two hours, and so on.
If the data server 120 determines that the obtained test result does not satisfy the predetermined data processing rule, indicating that the test fixture 110 is operating normally, the data server 120 may end the execution; if the data server 120 determines that the obtained test result satisfies the predetermined data processing rule, an exception notification message corresponding to the data processing rule may be generated, and the generated exception notification message may be transmitted to the tool management server 130 (step 250). In the present embodiment, it is assumed that, as shown in the flow of fig. 2D, the data processing host 125 may generate an exception description message corresponding to the data processing rule (step 251), for example, generate an exception description message corresponding to the satisfied check rule, the data processing host 125 may generate an exception notification message including the generated exception description message (step 255), and may transmit the generated exception notification message to the jig management server 130. The exception notification message generated by the data processing host 125 may further include the machine identification data of the test fixture machine 110 read from the test result.
After the tool management server 130 receives the abnormal notification message transmitted by the data server 120, the tool management server 130 may set the test tool 110 to be inoperable according to the received abnormal notification message (step 260). In this embodiment, it is assumed that the tool management server 130 may set the corresponding test tool machine 110 to be inoperable according to the machine identification data in the exception notification message, for example, the operation state corresponding to the machine identification data is set to be inoperable, so that the query result obtained by connecting the test tool machine 110 to the tool management server 130 before testing another circuit board again will indicate that the test tool machine 110 is inoperable, and thus, according to the present invention, the tool management server 130 may determine whether the test tool machine 110 can continue to test the circuit board according to the test result generated by the test tool machine 110.
In the above embodiment, after the fixture management server 130 receives the abnormal notification message transmitted by the data server 120, the fixture management server 130 may generate an abnormal status record and notify the maintenance end 150 (step 270). For example, the tool management server 130 may store the machine identification data and the abnormality description message included in the abnormality notification message to generate an abnormal state record, and may transmit the abnormality notification message to the maintenance terminal 150 as a maintenance notification message to notify the maintenance personnel to maintain the test tool 110.
The maintenance terminal 150 may also provide a maintenance reporting interface for the maintenance personnel to operate, so as to generate an exception removal message including the machine identification data included in the maintenance notification message, and transmit the generated exception removal message to the jig management server 130, so that the jig management server 130 sets the corresponding test jig 110 to be operable according to the machine identification data in the received exception removal message after receiving the exception removal message generated by the maintenance terminal 150 (step 280). Thus, after the testing tool 110 needs to continue testing other circuit boards and connects to the tool management server 130, the query result obtained by the testing tool 110 will indicate that the testing tool 110 can operate, and the testing tool 110 can resume testing the circuit board.
To sum up, it can be seen that the difference between the present invention and the prior art is that the test fixture machine is connected to the fixture management server to determine whether the test fixture machine can operate before testing the circuit board, when the test fixture machine can operate, the test circuit board is tested to generate a test result, and when the test result satisfies the data processing rule, the data server transmits an abnormal notification message to the fixture management server, so that the tool management server sets the tool management server to be inoperable, thereby solving the problem that the wear/aging status of the test fixture machine cannot be effectively grasped in the prior art, and further achieving the technical effect of maintaining the test fixture machine in time to reduce the abnormal probability of the test result.
Furthermore, the method for controlling the test fixture machine to continuously run according to the test result can be realized in hardware, software or a combination of hardware and software, and can also be realized in a centralized manner in a computer system or realized in a distributed manner in which different elements are scattered in a plurality of interconnected computer systems.
Although the embodiments of the present invention have been disclosed, the disclosure is not intended to limit the scope of the invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the present invention is defined by the appended claims.
Claims (10)
1. A method for controlling the continuous operation of a test fixture machine according to a test result at least comprises the following steps:
testing the circuit board and generating a test result corresponding to the circuit board when the test fixture machine to the fixture management server confirms that the test fixture machine can operate;
the data server obtains the test result and judges that the test result meets the data processing rule, generates an abnormal notification message corresponding to the data processing rule and transmits the abnormal notification message to the jig management server; and
the tool management server sets the test tool machine to be inoperable according to the abnormal notification message.
2. The method as claimed in claim 1, further comprising the step of the tool management server generating an abnormal status record and notifying a maintenance end after receiving the abnormal notification message, wherein the maintenance end is connected to the tool management server to set the tool management server to run.
3. The method as claimed in claim 1, wherein the method further comprises setting the tool id data of the testing tool before the step of the testing tool to the tool management server to confirm that the testing tool is operable, so that the testing tool can confirm whether the testing tool can operate or not by the tool management server according to the tool id data.
4. The method as claimed in claim 1, wherein the step of generating the test result corresponding to the circuit board further comprises the step of obtaining product identification data of the circuit board and generating the test result including the product identification data.
5. The method as claimed in claim 1, wherein the step of the data server generating the exception notification message corresponding to the data processing rule generates an exception description message corresponding to the data processing rule for the data server and generates the exception notification message including the exception description message.
6. A system for controlling the continuous operation of a test fixture machine according to a test result at least comprises:
a jig management server;
the test fixture machine is connected to the fixture management server to test the circuit board and generate a test result corresponding to the circuit board when the test fixture machine is determined to be operable; and
and the data server is used for obtaining the test result, generating an abnormal notification message corresponding to the data processing rule and transmitting the abnormal notification message to the jig management server when judging that the test result meets the data processing rule, so that the jig management server sets the test jig machine to be inoperable according to the abnormal notification message.
7. The system as claimed in claim 6, further comprising a maintenance end for receiving the notification message from the tool management server after receiving the abnormal notification message, and for connecting to the tool management server to set the tool management server to run.
8. The system as claimed in claim 6, wherein the test fixture further comprises a device identification data for determining whether the test fixture can be operated according to the device identification data.
9. The system of claim 6, wherein the data server obtains at least one result data from the test result, generates cumulative data according to the at least one result data and the history, compares the cumulative data with all the check rules in the data processing rules one by one, and determines whether the test result satisfies the data processing rules according to the comparison result.
10. The system of claim 6, wherein the data server generates an exception description message corresponding to the data processing rule and generates the exception notification message including the exception description message.
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| CN202111096895.XA CN115840124A (en) | 2021-09-18 | 2021-09-18 | System and method for controlling continuous operation of test fixture machine according to test result |
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| CN202111096895.XA CN115840124A (en) | 2021-09-18 | 2021-09-18 | System and method for controlling continuous operation of test fixture machine according to test result |
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