CN113671291A - Method and system for simultaneously testing equipment in batches - Google Patents
Method and system for simultaneously testing equipment in batches Download PDFInfo
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- CN113671291A CN113671291A CN202110970923.XA CN202110970923A CN113671291A CN 113671291 A CN113671291 A CN 113671291A CN 202110970923 A CN202110970923 A CN 202110970923A CN 113671291 A CN113671291 A CN 113671291A
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- 238000012360 testing method Methods 0.000 title claims abstract description 261
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 11
- 238000012795 verification Methods 0.000 claims description 16
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 5
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention provides a method for simultaneously testing equipment in batches, which comprises a server and a plurality of testing stations which are respectively in communication connection with the server, wherein a concentrator realizes the simultaneous connection of multiple ports of the equipment to be tested, a processing end is used for testing the equipment to be tested, and the testing stations in a first process comprise: connecting with a device to be tested; starting a test to the equipment to be tested; generating a test report of the equipment to be tested and uploading the test report to the server; the test station of the non-first procedure is connected with the equipment to be tested; and acquiring a test report generated by the equipment to be tested on the last test station from the server, judging whether to start the test of the test station, realizing the test of a plurality of pieces of equipment to be tested at the same time, judging whether the equipment to be tested has the condition of test missing, and ensuring the integrity of the test.
Description
Technical Field
The invention relates to the technical field of production informatization management, in particular to a method and a system for simultaneously testing equipment in batches.
Background
In recent years, the market competition is more and more intense due to the large-scale use of intelligent terminal products such as intelligent set top boxes, intelligent sound boxes, intelligent cameras and the like, the production efficiency, quality assurance and production cost requirements of intelligent terminal equipment are higher and higher, and the PCBA and the whole machine of the intelligent terminal equipment are required to be tested in the production process of the intelligent terminal equipment in order to guarantee the quality of the products.
At present, because the intelligent terminal device products are produced in large scale and are large in quantity, batch spot check is generally adopted for testing, so that the testing cardinality of the produced intelligent terminal device products is small, omission easily occurs, and therefore an efficient method for simultaneously testing the intelligent terminal devices is inevitably required to be pursued.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method and a system for simultaneously testing equipment in batches, which aim to solve the technical problems of small test base number and easy omission of intelligent terminal equipment products in the related technology.
In a first aspect, the present invention provides a method for batch simultaneous testing of devices, comprising a server and a plurality of test stations respectively communicatively coupled to the server;
the test station located in the first process step comprises the following steps: connecting with a device to be tested; testing the equipment to be tested; generating a test report of the equipment to be tested and uploading the test report to the server;
the test station located in a non-first process step, comprising the steps of: connecting with a device to be tested; and acquiring a test report generated by the equipment to be tested on a test station of the previous procedure from the server, and if the equipment to be tested passes the test of the test station of the first procedure, starting the test to the equipment to be tested by the test station of the non-first procedure.
Optionally, the test station includes a hub and a processing end, the hub is in communication with the processing end, the hub is used for connecting a plurality of devices to be tested simultaneously, and the processing end is used for testing the devices to be tested.
In another aspect, the present invention provides a method for batch simultaneous testing of devices, including a server and a plurality of testing stations respectively connected to the server in communication, including the steps of:
the test station is connected with the equipment to be tested; the test station reads the equipment information of the equipment to be tested and uploads the equipment information to the server for verification;
and after the verification, detecting whether the equipment to be tested generates a test report, if not, testing, if so, analyzing the test report, and testing at a corresponding stage according to the stage of the test report.
Optionally, the test device further comprises a conveying device, the device to be tested completes the test of the test station, is disconnected from the test station, and is conveyed to the next test station through the conveying device.
The invention also provides a system for testing the equipment simultaneously in batches, which comprises a server and a plurality of testing stations, wherein the server is respectively in communication connection with the server;
the test station of the first procedure is used for connecting equipment to be tested; the test report is uploaded to the server;
and the server is used for storing a test report of the equipment to be tested by a plurality of test stations.
The test station of the non-first procedure is also used for acquiring a test report generated by the equipment to be tested at the previous test station from the server.
Optionally, the test station includes a hub and a processing end, the hub includes a first interface module, and the first interface module includes a plurality of interface ends for connecting the processing end and simultaneously connecting a plurality of devices to be tested; the processing end comprises a second interface module and a verification module, the second interface module is respectively used for connecting the first interface module and the server, the verification module is used for reading the equipment information of the equipment to be tested and uploading the information to the server for verification when the processing end is connected with the equipment to be tested, and meanwhile, the information whether the equipment to be tested passes through the previous test station test is obtained.
Optionally, the processing end further includes a test module, when the device to be tested passes through the test station of the previous bit, the test module sends a test script of a corresponding stage according to the test stage of the device to be tested, generates a test report, and uploads the test report to the server, otherwise, the test report is regarded as abnormal.
Optionally, the testing device further comprises a conveying device, and the conveying device is used for conveying the equipment to be tested.
Optionally, the test stations are alternately arranged on two sides of the conveying device respectively.
Optionally, the hub further comprises a status indication module, wherein the status indication module is an LCD, an LED, a sound producing device or a vibration device.
Compared with the prior art, the invention has the following beneficial effects:
the technology of the invention comprises a server and a plurality of testing stations which are respectively in communication connection with the server, the concentrator realizes the simultaneous connection of a plurality of multiports of equipment to be tested, the processing end is used for testing the equipment to be tested, and the testing station of the first procedure comprises: connecting with a device to be tested; starting a test to the equipment to be tested; generating a test report of the equipment to be tested and uploading the test report to the server; the test station of the non-first procedure is connected with the equipment to be tested; and acquiring a test report generated by the equipment to be tested on the last test station from the server, judging whether to start the test of the test station, realizing the test of a plurality of pieces of equipment to be tested at the same time, judging whether the equipment to be tested has the condition of test missing, and ensuring the integrity of the test.
Drawings
FIG. 1 is a schematic illustration of the process flow of the present invention;
FIG. 2 is a schematic diagram of the system of the present invention;
FIG. 3 is a schematic flow chart of the system of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and beneficial effects of the present invention more clearly apparent, the technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a method of simultaneously testing devices in batches, comprising:
the system comprises a server and a plurality of test stations which are respectively in communication connection with the server;
the test station located in the first process step comprises the following steps: connecting with a device to be tested; testing the equipment to be tested; generating a test report of the equipment to be tested and uploading the test report to the server;
the test station located in a non-first process step, comprising the steps of: connecting with a device to be tested; and acquiring a test report generated by the equipment to be tested on a test station of the previous procedure from the server, and if the equipment to be tested passes the test of the test station of the first procedure, starting the test to the equipment to be tested by the test station of the non-first procedure.
In this embodiment, the test stations of the present invention are arranged according to a test procedure sequence (depending on the specific test equipment), the operator in the first procedure accesses the equipment to be tested to the test station in the first procedure, the equipment to be tested is powered on, the test station in the first procedure tests the equipment to be tested, and after the test is finished, a test report is generated, the test report is simultaneously uploaded to the server cache, and the equipment to be tested is powered off, the operator in the test station in the first procedure judges whether the equipment to be tested passing the test is sent to the test station in a non-first procedure for testing or the equipment to be tested which does not pass the test is put aside for being sent for rechecking according to the test report, and when the equipment to be tested reaches the test station in the non-first procedure, the operator in the test station in the non-first procedure connects the equipment to be tested to the test station in the non-first procedure, the method comprises the steps of connecting the electrified test station of the non-first procedure to the server to obtain a test report of the equipment to be tested at the test station of the first procedure, checking whether the equipment to be tested passes the test of the test station of the first procedure, waiting for retest if the test is omitted, and testing the equipment to be tested by the test station of the non-first procedure through the test of the test station of the first procedure.
Optionally, the test station includes a hub and a processing end, the hub is in communication with the processing end, the hub is used for connecting a plurality of devices to be tested simultaneously, and the processing end is used for testing the devices to be tested.
In this embodiment, the hub is a switching hub, an internal monolithic program of the switching hub can remember an MAC address of each port and receive and transmit the MAC address through a corresponding MAC address, the device to be tested and the processing terminal are connected to the hub through a USB to achieve simultaneous multi-port connection, the device to be tested includes a USB interface and a PCBA, the processing terminal is generally a monolithic computer or a PC, and the processing terminal and the hub include ADB tools therein for matching tests; the plurality of test stations are connected with the server through the local area network in the production area to form a network, test information of the equipment to be tested is uploaded to the server for backup, and interaction of the information of the equipment to be tested through the server among different test stations is facilitated.
The invention also provides a method for simultaneously testing equipment in batches, which comprises a server and a plurality of testing stations which are respectively in communication connection with the server, and comprises the following steps:
the test station is connected with the equipment to be tested; the test station reads the equipment information of the equipment to be tested and uploads the equipment information to the server for verification;
and after the verification, detecting whether the equipment to be tested generates a test report, if not, testing, if so, analyzing the test report, and testing at a corresponding stage according to the stage of the test report.
In this embodiment, the test station reads the device information of the device to be tested, where the device information includes identification information such as an SN code, and each test station verifies the device information of the device to be tested with respect to the server, and after the verification, determines whether a test report is generated, and if no test report is generated, starts a test at an initial stage, and if a test report is generated, and determines according to a stage of the test report, a corresponding test stage includes, for example, a pressure test, a function test, a reaction test, and the like (depending on a specific test device), so that the test station starts a corresponding test script according to the test stage where the device to be tested is located.
Optionally, the test device further comprises a conveying device, the device to be tested completes the test of the test station, is disconnected from the test station, and is conveyed to the next test station through the conveying device.
In this embodiment, the equipment to be tested passes through conveyer conveying, has increased the efficiency of test, and the operation workman obtains through conveyer equipment to be tested and conveying equipment to be tested.
Based on the above embodiments, as can be understood by those skilled in the art, referring to fig. 2 and fig. 3, the present invention further provides a system for batch simultaneous testing of devices, including a server and a plurality of testing stations respectively communicatively connected to the server;
the test station of the first procedure is used for connecting equipment to be tested; the test report is uploaded to the server;
and the server is used for storing a test report of the equipment to be tested by a plurality of test stations.
The test station of the non-first procedure is also used for acquiring a test report generated by the equipment to be tested at the previous test station from the server.
In this embodiment, a plurality of adjacent test stations respectively with the server is connected and is formed the network deployment, the server adopts the MES system, the test report of equipment to be tested includes equipment to be tested has passed through several rounds of tests and test result etc..
Optionally, the test station includes a hub and a processing end, the hub includes a first interface module, and the first interface module includes a plurality of interface ends for connecting the processing end and simultaneously connecting a plurality of devices to be tested; the processing end comprises a second interface module and a verification module, the second interface module is respectively used for connecting the first interface module and the server, the verification module is used for reading the equipment information of the equipment to be tested and uploading the information to the server for verification when the processing end is connected with the equipment to be tested, and meanwhile, the information whether the equipment to be tested passes through the previous test station test is obtained.
In this embodiment, a plurality of interface ends are arranged on one side of a first interface module of the hub and used for connecting a plurality of devices to be tested, the number of the interface ends can be determined according to the actual test requirements, the other side of the first interface module is connected with a processing end, a second interface module of the processing end is respectively used for connecting the first interface module and the server, when the devices to be tested are read to be connected with the hub, information of the devices to be tested is uploaded to the server and device information of the devices to be tested of the server are compared, and the devices to be tested are obtained simultaneously and undergo several rounds of tests to determine whether the devices to be tested pass the tests and other information.
Optionally, the processing end further includes a test module, when the device to be tested passes through the test station of the previous bit, the test module sends a test script of a corresponding stage according to the test stage of the device to be tested, generates a test report, and uploads the test report to the server, otherwise, the test report is regarded as abnormal.
In this embodiment, the test module of the processing end determines which stage of the test needs to be performed on the device to be tested according to the feedback information of the server, and calls a corresponding script through an ADB tool, so that the device to be tested which is considered to be abnormal waits for being sent to a review.
Optionally, the testing device further comprises a conveying device, and the conveying device is used for conveying the equipment to be tested.
In this embodiment, conveyer is conveyer belt, conveying platform etc. for constantly transmit the equipment that awaits measuring, strengthened efficiency of software testing.
Optionally, the test stations are alternately arranged on two sides of the conveying device respectively.
In this embodiment, the two sides of the conveying device are alternately arranged, so that the length of the conveying device is saved.
Optionally, the hub further comprises a status indication module, wherein the status indication module is an LCD, an LED, a sound producing device or a vibration device.
In this embodiment, the state indicating module is used for reminding the staff the test state of the equipment to be tested prevents the staff from missing the test or forgetting to pull out after the test is finished, and improves the reliability of the test.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. A method of simultaneously testing devices in a batch, comprising:
the system comprises a server and a plurality of test stations which are respectively in communication connection with the server;
the test station located in the first process step comprises the following steps: connecting with a device to be tested; testing the equipment to be tested; generating a test report of the equipment to be tested and uploading the test report to the server;
the test station located in a non-first process step, comprising the steps of: connecting with a device to be tested; and acquiring a test report generated by the equipment to be tested on a test station of the previous procedure from the server, and if the equipment to be tested passes the test of the test station of the first procedure, starting the test to the equipment to be tested by the test station of the non-first procedure.
2. The method for batch simultaneous testing of devices according to claim 1, wherein the test station comprises a hub and a processing end, the hub is communicatively connected to the processing end, the hub is configured to simultaneously connect to a plurality of devices under test, and the processing end is configured to test the devices under test.
3. A method for simultaneously testing equipment in batches is characterized by comprising a server and a plurality of testing stations which are respectively in communication connection with the server, and comprises the following steps:
the test station is connected with the equipment to be tested; the test station reads the equipment information of the equipment to be tested and uploads the equipment information to the server for verification;
and after the verification, detecting whether the equipment to be tested generates a test report, if not, testing, if so, analyzing the test report, and testing at a corresponding stage according to the stage of the test report.
4. The method for batch simultaneous testing of equipment according to any one of claims 1-3, further comprising a transfer device, wherein the equipment under test completes the test of a test station, is disconnected from the test station, and is transferred to the next test station by the transfer device.
5. The system for simultaneously testing the equipment in batches is characterized by comprising a server and a plurality of testing stations which are respectively in communication connection with the server;
the test station is positioned in the first procedure and used for connecting equipment to be tested; the test report is uploaded to the server;
and the server is used for storing a test report of the equipment to be tested by a plurality of test stations.
The test station located in the non-first procedure is further configured to obtain, from the server, a test report generated by the device under test at the test station in the previous procedure.
6. The system for batch simultaneous testing of equipment according to claim 5, wherein the test station includes a hub and a processing end, the hub including a first interface module, the first interface module including a plurality of interface ends for connecting the processing end and a plurality of devices under test simultaneously; the processing end comprises a second interface module and a verification module, the second interface module is respectively used for connecting the first interface module and the server, the verification module is used for reading the equipment information of the equipment to be tested and uploading the information to the server for verification when the processing end is connected with the equipment to be tested, and meanwhile, the information whether the equipment to be tested passes through the previous test station test is obtained.
7. The system for batch simultaneous testing of equipment according to claim 6, wherein the processing end further comprises a test module, and when the equipment to be tested passes the test station of the previous bit, the test module sends a test script of a corresponding stage according to the test stage of the equipment to be tested, generates a test report, and uploads the test report to the server, otherwise, the test report is regarded as abnormal.
8. The system for batch simultaneous testing of devices according to claim 7, further comprising a transport for transporting the devices under test.
9. The system for batch simultaneous testing of equipment according to claim 8, wherein said test stations are alternately disposed on both sides of said conveyor.
10. The system for batch simultaneous testing of equipment according to any one of claims 6-9, wherein the hub further comprises a status indication module that is an LCD, LED, sound producing device, or vibration device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110970923.XA CN113671291A (en) | 2021-08-23 | 2021-08-23 | Method and system for simultaneously testing equipment in batches |
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| CN202110970923.XA CN113671291A (en) | 2021-08-23 | 2021-08-23 | Method and system for simultaneously testing equipment in batches |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147607A (en) * | 2010-02-09 | 2011-08-10 | 科博达技术有限公司 | Flexible general production line and production method of electronic product |
| CN102608479A (en) * | 2012-04-10 | 2012-07-25 | 李春光 | Automatic multi-machine testing system |
| CN106970318A (en) * | 2017-04-25 | 2017-07-21 | 金卡智能集团股份有限公司 | Measuring instrument circuit board intelligent test system and intelligent test method |
| CN107037301A (en) * | 2017-03-28 | 2017-08-11 | 上海大学 | A kind of automatic p-wire of probe interface class product multistation |
| CN109765488A (en) * | 2018-12-26 | 2019-05-17 | 堆知(北京)科技集团有限公司 | A kind of traceable production system of battery quality |
| CN109782179A (en) * | 2018-12-26 | 2019-05-21 | 堆知(北京)科技集团有限公司 | A kind of traceable production method of battery quality |
| CN109856580A (en) * | 2018-12-19 | 2019-06-07 | 珠海派诺科技股份有限公司 | Power monitoring instrumentation produces test macro and method in batches |
| CN110032481A (en) * | 2019-03-21 | 2019-07-19 | 杭州涂鸦信息技术有限公司 | A kind of wireless product test method, wireless product test macro and electronic equipment |
| CN112630600A (en) * | 2021-03-10 | 2021-04-09 | 中通维易科技服务有限公司 | Online monitoring system and method for communication cable detection |
-
2021
- 2021-08-23 CN CN202110970923.XA patent/CN113671291A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147607A (en) * | 2010-02-09 | 2011-08-10 | 科博达技术有限公司 | Flexible general production line and production method of electronic product |
| CN102608479A (en) * | 2012-04-10 | 2012-07-25 | 李春光 | Automatic multi-machine testing system |
| CN107037301A (en) * | 2017-03-28 | 2017-08-11 | 上海大学 | A kind of automatic p-wire of probe interface class product multistation |
| CN106970318A (en) * | 2017-04-25 | 2017-07-21 | 金卡智能集团股份有限公司 | Measuring instrument circuit board intelligent test system and intelligent test method |
| CN109856580A (en) * | 2018-12-19 | 2019-06-07 | 珠海派诺科技股份有限公司 | Power monitoring instrumentation produces test macro and method in batches |
| CN109765488A (en) * | 2018-12-26 | 2019-05-17 | 堆知(北京)科技集团有限公司 | A kind of traceable production system of battery quality |
| CN109782179A (en) * | 2018-12-26 | 2019-05-21 | 堆知(北京)科技集团有限公司 | A kind of traceable production method of battery quality |
| CN110032481A (en) * | 2019-03-21 | 2019-07-19 | 杭州涂鸦信息技术有限公司 | A kind of wireless product test method, wireless product test macro and electronic equipment |
| CN112630600A (en) * | 2021-03-10 | 2021-04-09 | 中通维易科技服务有限公司 | Online monitoring system and method for communication cable detection |
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Application publication date: 20211119 |