CN112114245A - PCBA (printed circuit board assembly) board testing method, PCBA board testing device and PCBA board testing system - Google Patents
PCBA (printed circuit board assembly) board testing method, PCBA board testing device and PCBA board testing system Download PDFInfo
- Publication number
- CN112114245A CN112114245A CN202010984795.XA CN202010984795A CN112114245A CN 112114245 A CN112114245 A CN 112114245A CN 202010984795 A CN202010984795 A CN 202010984795A CN 112114245 A CN112114245 A CN 112114245A
- Authority
- CN
- China
- Prior art keywords
- test
- pcba
- board
- control box
- different
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 785
- 239000000523 sample Substances 0.000 claims abstract description 126
- 238000010998 test method Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 23
- 210000004907 gland Anatomy 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 10
- 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 abstract 12
- 230000008569 process Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006870 function Effects 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
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2803—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP] by means of functional tests, e.g. logic-circuit-simulation or algorithms therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- 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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention discloses a PCBA jointed board testing method, which comprises the following steps: correspondingly connecting the test contacts on the PCBA jointed board to the test probes on the needle plate test fixture, wherein the PCBA jointed board is formed by splicing a plurality of PCBA boards; connecting test accessories in the test control box to the PCBA through different test probes to complete the test of the PCBA, wherein the test accessories are test elements corresponding to the PCBA. The invention also discloses a PCBA testing device and a PCBA testing system. Through one set of test accessory, just can accomplish the test to the PCBA makeup, need not to all connect one set of test accessory for each PCBA board in the PCBA makeup, can avoid making mistakes because of the test that the test procedure is loaded down with trivial details to lead to, improved test effect.
Description
Technical Field
The invention relates to the technical field of circuit board testing, in particular to a PCBA jointed board testing method, a PCBA testing device and a PCBA testing system.
Background
When the function test is performed on the PCBA, two modes, namely a single board test and a jointed board test, are generally performed, and in the specific application process, the jointed board test is generally adopted in order to improve the production efficiency.
At present, the PCBA jointed board can be tested by connecting a power supply, a load, a testing instrument and other testing accessories to each PCBA to be tested in the PCBA jointed board. However, since there are many test accessories in this way, it is easy to have a test error or a test missing due to the wrong connection accessory during production test. Therefore, the existing PCBA jointed board test has the problems of easy error detection or test omission and the like, and the test effect is poor.
Disclosure of Invention
The invention mainly aims to provide a PCBA (printed circuit board assembly) board testing method, a PCBA board testing device and a PCBA board testing system, and aims to solve the problem that in the prior art, the PCBA board testing is easy to have the conditions of test errors, test omission and the like, so that the testing effect is poor.
In order to achieve the aim, the invention provides a PCBA jointed board testing method, which is applied to a PCBA testing system, wherein the PCBA testing system comprises a pin plate testing clamp and a testing control box, and the method comprises the following steps:
correspondingly connecting the test contacts on the PCBA jointed board to the test probes on the needle plate test fixture, wherein the PCBA jointed board is formed by splicing a plurality of PCBA boards;
connecting test accessories in the test control box to the PCBA through different test probes to complete the test of the PCBA, wherein the test accessories are test elements corresponding to the PCBA.
Optionally, the step of connecting the test part in the test control box to the PCBA panel through different test probes to complete the test of the PCBA panel comprises:
determining a test mode corresponding to the PCBA jointed board, wherein the test mode comprises at least one of manual test and automatic test;
and connecting the test accessories in the test control box to the PCBA board through different test probes in the determined test mode to complete the test of the PCBA board.
Optionally, the step of connecting the test parts in the test control box to the PCBA panels through different test probes in the determined test mode comprises:
if the determined test mode is manual test, connecting the test accessories in the test control box to different test probes through a switching key on the needle plate test fixture;
and connecting the test accessories to different PCBA boards in the PCBA jointed board through different test probes to complete the test of the PCBA jointed board.
Optionally, the step of connecting the test parts in the test control box to the PCBA panels through different test probes in the determined test mode comprises:
if the determined test mode is automatic test, determining the switching times of the test accessories according to the number of the PCBA boards in the PCBA jointed board, and setting the switching time of the test accessories;
connecting the test accessories in the test control box to the PCBA board through different test probes by taking the determined switching time as a time interval;
and when the connection times of the test fittings and the PCBA jointed board reach the switching times, the PCBA jointed board is tested.
Optionally, the step of connecting the test part in the test control box to the PCBA panel through different test probes to complete the test of the PCBA panel comprises:
determining the test sequence of different PCBA boards in the PCBA jointed board;
and according to the determined test sequence, sequentially connecting the test accessories in the test control box to different PCBA boards in the PCBA jointed board through different test probes to finish the test of the PCBA jointed board.
Optionally, the step of sequentially connecting the test accessories in the test control box to different PCBA boards in the PCBA jointed board through different test probes according to the determined test sequence includes:
acquiring indication information of the indicator light, wherein the indication information is test information of a PCBA board currently connected with the test accessory;
and when unqualified PCBA boards exist in the PCBA jointed board, determining the unqualified PCBA boards in the PCBA jointed board according to the test information and the test sequence.
Optionally, the test control box includes a counter and a plurality of relays, the test assembly in the test control box is connected to the PCBA jointed board through different test probes, and the step of completing the test of the PCBA jointed board includes:
controlling different relays by adopting the counter to connect the test accessories in the test control box to different test probes;
and connecting the test accessories to the PCBA board through different test probes to complete the test of the PCBA board.
Optionally, after the step of correspondingly connecting the test contacts on the PCBA jointed board to the test probes on the pin plate test fixture, the method includes:
correspondingly connecting a test probe output interface on the needle plate test fixture with an output interface of a test control box;
and the PCBA jointed board is connected with the output interface of the test part on the test control box through the output interface of the test probe, so that the test part is connected to the PCBA jointed board through different test probe output interfaces.
In order to achieve the above object, the present invention also provides a PCBA test apparatus, including:
the pin plate test fixture comprises a test probe, a carrying platform and a lifting assembly; the object carrying platform is positioned above the test probe and used for placing a PCBA (printed Circuit Board Assembly) to be detected, and the PCBA comprises a test contact; the lifting assembly comprises a lifting mechanism and a gland which is arranged at the bottom of a movable structure in the lifting mechanism, and the lifting mechanism is used for driving the gland to move up and down so as to enable the test contact of the PCBA jointed board to be correspondingly connected with the test probe;
the test control box comprises a test part and an output interface corresponding to the test part, the output interface corresponding to the test part is connected with the output interface of the test probe, so that the test part is connected to the PCBA jointed board through different test probes, and the test of the PCBA jointed board is completed.
In addition, in order to achieve the above object, the present invention further provides a PCBA test system, where the PCBA test device includes a memory, a processor, and a PCBA panel test program stored in the memory and operable on the processor, and when executed by the processor, the PCBA panel test program implements the steps of the PCBA panel test method as described above; and
the PCBA test device as described above, connected to the processor, for controlling the PCBA test device to perform the steps of the PCBA panel test method as described above when the processor executes the PCBA panel test program.
In the embodiment of the invention, the test contacts on the PCBA jointed board are correspondingly connected with the test probes on the needle plate test fixture, and then the test accessories corresponding to the PCBA jointed board in the test control box are connected to the PCBA jointed board through different test probes, so that the test of the PCBA jointed board is completed. That is, faller test fixture is the faller test fixture that PCBA makeup corresponds, and the test fitting in the test control box also is the test fitting that corresponds with the PCBA makeup, to PCBA makeup of the same type, can share one set of test fitting. So, during the test, only need through the test probe of difference with same test accessory be connected to the PCBA makeup and can realize the test to the PCBA makeup, need not to connect for every PCBA board and all dispose one set of test accessory, can avoid appearing the circumstances such as error-finding or side leakage because of the process is loaded down with trivial details, improved the test effect of PCBA makeup test.
Drawings
FIG. 1 is a schematic flow chart of a PCBA panel testing method according to a first embodiment of the present invention;
FIG. 2 is a schematic flow chart of a PCBA panel testing method according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a PCBA testing apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a structure of a test control box according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a structure of a test control box according to another embodiment of the present invention;
FIG. 6 is a schematic diagram of the structure of a probe plate testing fixture according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a PCBA test system of a hardware operating environment according to an embodiment 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
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the invention is: correspondingly connecting the test contacts on the PCBA jointed board to the test probes on the needle plate test fixture, wherein the PCBA jointed board is formed by splicing a plurality of PCBA boards; connecting test accessories in the test control box to the PCBA through different test probes to complete the test of the PCBA, wherein the test accessories are test elements corresponding to the PCBA.
Currently, testing of PCBA panels can be accomplished by attaching a set of test accessories to each PCBA panel in the PCBA panel. However, the test result is not good due to the occurrence of a test error or a side leakage caused by too many test parts during the test. Therefore, the invention provides a PCBA jointed board testing method, a PCBA testing device and a PCBA testing system, wherein testing contacts on a plurality of PCBA boards are correspondingly connected with testing probes on a pin plate testing clamp, and then testing accessories corresponding to the PCBA jointed boards in a testing control box are connected to the PCBA jointed boards through different testing probes, so that the PCBA jointed boards can be tested, one set of testing accessories does not need to be connected to each PCBA board, the situation that testing errors are caused by the fact that the testing accessories are connected with the PCBA boards in a wrong mode can be avoided, and the testing effect of the PCBA jointed board testing can be improved.
Referring to fig. 1, fig. 1 is a flowchart of a PCBA jigsaw testing method according to a first embodiment of the present invention, in this embodiment, the PCBA jigsaw testing method includes the following steps:
step S10: correspondingly connecting the test contacts on the PCBA jointed board to the test probes on the needle plate test fixture, wherein the PCBA jointed board is formed by splicing a plurality of PCBA boards;
the PCBA (Printed Circuit Board + Assembly) refers to a whole process of mounting a Printed Circuit Board (PCB) blank by a Surface Mount Technology (SMT) and then packaging by a Dual Inline Package (DIP). That is, the PCBA board is a circuit board obtained by mounting a PCB circuit board by surface mount technology and performing dip-in packaging.
The PCBA jointed board refers to a circuit board formed by splicing a plurality of PCBA boards, and is generally formed by splicing PCBA boards of the same type.
The PCBA jointed board testing method in the embodiment can be applied to a PCBA testing system, and the PCBA testing system can comprise a pin plate testing clamp and a testing control box. Wherein, faller test fixture can be the special test fixture that like product corresponds, including test probe, this test probe can be used for corresponding with the test contact on the PCBA makeup and is connected, and concrete connection process depends on faller test fixture's constitutional structure, e.g., faller test fixture still can include lifting unit and cargo platform, cargo platform is used for shelving the PCBA makeup, lifting unit includes elevating system and is located the gland of the structure bottom that can remove on the elevating system, after placing the PCBA makeup in the cargo platform of faller test fixture, accessible elevating system drives the gland and reciprocates, applys pressure so that the test contact (for example, the pin) of PCBA makeup corresponds with the test probe on the faller test fixture and is connected. The fixture can move at a constant speed to ensure that the acting force applied by the gland to the PCBA jointed board is uniform so as to ensure that each test contact can be effectively connected with a corresponding test probe. In addition, the test control box especially is used for providing the device of test accessory for each PCBA board in the PCBA makeup, can share to the same type product of different models. The test control box in the embodiment comprises a test fitting corresponding to the PCBA jointed board to be detected and an output interface corresponding to the test fitting, wherein the test fitting can be adapted to the PCBA jointed boards of the same type and can test different PCBA jointed boards of the same type; the output interface on the test control box can be used for being connected with the output interface on the faller test fixture, and the output interface on the faller test fixture is the output interface that test probe corresponds to with the different output interface on being connected to the faller test fixture of test accessory, through the different output interface on the faller test fixture with test accessory is connected to the PCBA board of difference in the PCBA makeup. In addition, the test control box can provide test accessories including power supply, load, voltmeter and ammeter. The output interface on the test control box and the output interface on the needle plate test fixture can be connected through a flat cable, so that the operation of a user is facilitated.
Therefore, after the output interfaces corresponding to the test probes on the pin plate test fixture are correspondingly connected with the output interfaces corresponding to the test accessories on the test control box one by one, the PCBA jointed board to be detected can be placed on the carrying platform of the pin plate test fixture corresponding to the PCBA jointed board. In order to save cost, the PCBA jointed boards can be artificially placed on a carrying platform of the needle plate test fixture, and the carrying platform can be provided with grooves, so that a user can accurately position the placing positions of the PCBA jointed boards. This recess specifically can be hollow groove to after the user arranged the PCBA makeup in the recess, can directly drive the gland through elevating system and reciprocate, in order to follow the PCBA makeup the recess is pressed to its test contact homoenergetic and is corresponded with the test probe of faller test fixture base top and is connected. After the PCBA jointed board test contacts are correspondingly connected with the test probes, the output interfaces of the test control box are in one-to-one correspondence with the test probe output interfaces, so that test accessories in the test control box can be connected with the PCBA jointed board through the output interfaces corresponding to different test probes. At the moment, a plurality of sets of test accessories are not required to be provided to be correspondingly connected with each PCBA in the PCBA jointed board, and test errors caused by connection errors of the test accessories can be avoided.
In other embodiments, in order to improve the testing efficiency, the PCBA panels can also be placed on the carrying platform of the pin plate testing fixture through an automatic tool, for example, when the batch testing is performed, the PCBA panels to be detected can be sequentially placed on the carrying platform of the pin plate testing fixture through a robot arm.
Step S20: connecting test accessories in the test control box to the PCBA through different test probes to complete the test of the PCBA, wherein the test accessories are test elements corresponding to the PCBA.
On the one hand, to the PCBA makeup of the same type, each PCBA board accessible in this PCBA makeup tests with same set of test fitting. Therefore, when the PCBA boards in the PCBA jointed boards are the same type of PCBA boards, the test accessories corresponding to the PCBA jointed boards in the test control box can be connected to the PCBA jointed boards through different test probes so as to complete the test of the PCBA jointed boards. The test accessory can be connected with the output interfaces corresponding to different test probes, and the test probes corresponding to the output interfaces are connected with the PCBA in the PCBA jointed board, so that the test accessory can be connected to the PCBA in the PCBA jointed board through different test probes to test different PCBA boards, and the test on the PCBA jointed board is completed. The mode of connecting the test accessories corresponding to the PCBA jointed boards in the test control box to the PCBA jointed boards through different probes can be that the test accessories are manually switched for each PCBA board in the PCBA jointed boards, namely, the test accessories corresponding to the PCBA jointed boards in the test control box can be manually connected to each PCBA board through different test probes, and when different PCBA boards are tested, the output interfaces corresponding to the test accessories can be manually connected to the output interfaces corresponding to different test probes through flat cables, so that the test accessories are respectively connected to different test probes; of course, the test assembly may be connected to different PCBA boards through different test probes by a switch, and the switch may be one or more; the test kit can be automatically connected to different PCBA boards in the PCBA jointed board through different test probes by controlling the test control box through the single chip microcomputer.
However, if the manual switching is performed, when the number of the PCBA boards in the PCBA jointed boards is too large, the connection process of connecting the test accessories corresponding to the PCBA jointed boards in the test control box to different PCBA boards is complicated, and the test result is prone to be wrong due to connection errors; if the test control box is controlled by the single chip microcomputer and the like to automatically switch the test accessories to be connected with different PCBA boards, the test process is greatly limited by the programming level of a programmer due to the need of programming, and thus, test errors are easily caused due to the influence of the programming level of the programmer. Therefore, this embodiment provides a better test accessory switching mode, controls a plurality of relays through the counter to control different relays with the test accessory that corresponds with the PCBA makeup in the test control box is connected to different PCBA boards through different test probes. That is, the test control box includes counter and a plurality of relay, and each relay can correspond control test accessory and be connected to a PCBA board in the PCBA makeup. That is, through different relays of counter control, can realize switching the test accessory and be connected to different PCBA boards. Therefore, the counter is controlled through the change-over switch, and the relay is controlled through the counter, so that the test accessories corresponding to the PCBA jointed boards in the test control box can be connected to the PCBA boards through different test probes through different relays. At this time, the number of the change-over switches may be one or multiple, and the present embodiment is preferably one, so that it is possible to avoid a test result error caused by a situation of wrong dialing or missing dialing due to a plurality of change-over switches. Moreover, the test accessories can be switched without programming, so that the test error caused by the limitation of the level of programmers can be avoided, the test effect is prevented from being influenced, the manufacturing difficulty of the jig is simplified, and the manufacturing cost is reduced.
Notably, the above-described switching of test accessories refers to switching a test accessory from one of the PCBA boards to connect to another PCBA board.
On the other hand, for PCBA jointed boards of different types, only a pin plate test fixture corresponding to the PCBA jointed board of the type needs to be configured, if a fixing part corresponding to the shape on the pin plate test fixture can be replaced according to the PCBA jointed board of the type, and test probe arrangement on the pin plate test fixture can be replaced according to test point arrangement of the PCBA jointed board of the type. Because the test control box is general, only need set up in advance with test accessories such as voltage, electric current, power and load that this type of PCBA makeup corresponds, then be connected with the faller test fixture that is fixed with this type of PCBA makeup, can be connected the different PCBA boards in this type of PCBA makeup with test accessories, realize test accessories's switching.
The PCBA jointed board testing method is suitable for testing PCBA jointed boards and single PCBA boards, and testing accessories such as power supplies, loads and voltage meters do not need to be switched for different PCBA boards when the single PCBA board is tested.
This embodiment is through test contact correspondence with on the PCBA makeup and connect the test probe on the faller test fixture, then through different test probes with the test fitting in the test control box be connected to the PCBA makeup, it is right to accomplish the test of PCBA makeup. The test process need not all to connect one set of test fitting for each PCBA makeup, only need with in the test control box with the test fitting that the PCBA makeup corresponds is connected to the PCBA makeup through different test probe, can accomplish right the test of PCBA makeup can avoid leading to the test to make mistakes because of test fitting connects wrong PCBA board, has improved the test effect of PCBA makeup test.
Based on the above embodiments, a flow chart of a second embodiment of the PCBA panel testing method of the present invention is presented. Referring to fig. 2, in this embodiment, the PCBA jigsaw testing method includes the following steps:
step S11: correspondingly connecting the test contacts on the PCBA jointed board to the test probes on the needle plate test fixture, wherein the PCBA jointed board is formed by splicing a plurality of PCBA boards;
step S12: determining a test mode corresponding to the PCBA jointed board, wherein the test mode comprises at least one of manual test and automatic test;
step S13: and connecting the test accessories in the test control box to the PCBA board through different test probes in the determined test mode to complete the test of the PCBA board.
In this embodiment, the test to the PCBA makeup includes two modes of manual test and automatic test, and the commonality is stronger. Therefore, after the test contacts on the PCBA jointed board are correspondingly connected with the test probes on the pin plate test fixture, the test mode corresponding to the PCBA jointed board can be determined, and then the test accessories in the test control box corresponding to the PCBA jointed board are connected to different PCBA boards in the PCBA jointed board through different test probes according to the determined test mode, so that the test of the PCBA jointed board can be completed. The test mode corresponding to the PCBA jointed board can be selected by a user, for example, the user can press an automatic test and manual test mode selection switch on the test control box to select the test mode. When a touch display screen is arranged on the test control box, a user can trigger automatic test and manual test mode selection options on the touch display screen to select a test mode. When the user does not select, the automatic test mode is used for testing by default, after the test accessories are connected to each PCBA board, if the test mode selection operation triggered by the user is not received within the preset time, the user can be considered not to select, otherwise, the user selects, and the corresponding test mode is used for testing according to the selection of the user. Of course, for some specific PCBA panels, testing may also be performed in a semi-automatic mode, particularly a test mode that includes both manual and automatic testing. If when PCBA boards of different types are integrated on the PCBA jointed board, the PCBA boards of the same type can be tested through an automatic test mode, and test accessories among the PCBA boards of different types can be switched through a manual test mode.
In one embodiment, the test of the PCBA jointed board can be completed by connecting the test accessories in the test control box to different PCBA boards in the PCBA jointed board through different test probes by using a switch key on the pin plate test fixture. Namely, when testing through manual test mode, can press the shift key on the faller test fixture after every PCBA board test, through the shift key with in the test control box with the test fitting that the PCBA makeup corresponds is connected to corresponding test probe, then can with through different test probe the test fitting is connected to corresponding PCBA board, and it is right to accomplish the test of PCBA makeup. Specifically, after the test of the first PCBA board is completed, the switch key is pressed once to connect the test part to the second PCBA board through the test probe corresponding to the second PCBA board for testing; after the test of the second PCBA board is completed, pressing the switch key once again can connect the test assembly to the test probe corresponding to the third PCBA board so as to test the third PCBA board through the test probe; after the third PCBA board is tested, the switch key is pressed once again, and so on, if the number of the PCBA boards in the PCBA jointed board is n, the test on all the PCBA boards in the PCBA jointed board can be completed after the keys are pressed for (n-1) times. Therefore, through manual testing, the problem that test results are inaccurate due to individual differences of different PCBA boards (for example, differences of test time of different PCBA boards may exist) can be avoided, and the test accuracy is improved. Moreover, one key switching test accessory is realized through the switching key, a plurality of change-over switches are not required to be arranged, the influence on a test result caused by wrong or missing of the change-over switches can be avoided, the test effect is improved, the product quality is ensured, and the production efficiency is improved.
In another embodiment, when the test is performed in the automatic test mode, the set switching time is used as a time interval by setting the switching times and the switching time of the test accessories, and the test accessories corresponding to the PCBA board in the test control box are automatically connected to the PCBA board through different test probes to complete the test of the PCBA board. Specifically, the number of times of switching the test accessories may be determined according to the number of PCBA boards in the PCBA assembly board, and the switching time of the test accessories may be set according to the historical test data, for example, the average switching time may be calculated according to the historical switching time of the type of PCBA board, and considering that there is a certain error range, the switching time of the test accessories may be set with the average switching time as a reference, or the historical switching time with the longest time may be determined according to the historical test time, and the switching time of the test accessories may be set with the longest historical switching time as a reference. Then, taking the determined switching time as a time interval, connecting the test accessories in the test control box corresponding to the PCBA jointed board to different PCBA boards in the PCBA jointed board through different test probes, for example, when the set switching time is 5min, when the test of a first PCBA board is started to reach 5min, executing one switching, and automatically connecting the test accessories to the test probes connected with the next PCBA board; and when the connection times of the test fittings and the PCBA reach the set switching times, all the PCBA boards in the PCBA jointed board are tested, namely the tests of all the PCBA boards in the PCBA jointed board are completed. So, through the mode of automatic test, can further improve efficiency of software testing, and the switching time is adjustable, can adapt to the test demand of the PCBA board of different grade type, and the commonality is stronger.
In another embodiment, the PCBA boards can be tested according to a preset test sequence, so that the problem that the PCBA boards in the PCBA jointed board have problems or are unqualified is avoided, and which PCBA board is unqualified cannot be accurately positioned. That is, the test sequence of different PCBA boards in the PCBA jointed board can be determined first, and then the test component corresponding to the PCBA jointed board in the test control box is connected to each PCBA board in the PCBA jointed board in turn according to the determined test sequence. The test sequence of the PCBA boards can be determined according to the arrangement sequence and the arrangement mode of different PCBA boards in the PCBA jointed board. For example, the PCBA boards in the PCBA board can be tested line by line according to the row arrangement sequence of the PCBA boards in the PCBA board, or the PCBA boards in the PCBA board can be tested column by column according to the column arrangement sequence of the PCBA boards in the PCBA board. In an embodiment, the test control box is further provided with an indicator light for indicating that the PCBA board is currently tested, that is, the indicator light can be obtained first, and the indicator light can indicate the test information of the PCBA board currently connected with the test accessory, where in this embodiment, the test information refers to the test serial number of the PCBA board currently being tested; in other embodiments, the test information may further include test result information indicating whether the test is acceptable, such as a first indicator light may be turned on to green when the test on the first PCBA board is acceptable, a second indicator light may be turned on to red when the test on the second PCBA board is not acceptable, and a third indicator light may be turned on to yellow when the test on the second PCBA board is in progress. Then, the PCBA currently tested can be quickly determined according to the indication information of the indicator lamps, and the PCBA currently tested can be determined according to a predetermined test sequence, wherein the PCBA is the PCBA on the PCBA splicing plate. Therefore, when unqualified PCBA boards exist in the PCBA jointed board, which PCBA board the unqualified PCBA boards in the PCBA jointed board are can be accurately determined according to the indication information of the indicator lamps and the predetermined test sequence, and the problem that the test results of the PCBA boards cannot be effectively recorded when the number of the PCBA boards to be detected is too large is avoided.
Of course, in other embodiments, the test control cartridge and the pin plate test fixture may be integrated together to form a PCBA test system. Therefore, after the PCBA jointed board is fixed on the pin plate test fixture corresponding to the PCBA jointed board, the interaction between the test control box and the pin plate test clamp can be controlled by a control device (such as a processor or a control module integrated with a main control chip) of the PCBA, so that the test of different PCBA boards in the PCBA jointed board is completed.
This embodiment is through the test contact correspondence with on the PCBA makeup connecting in the test probe on faller test fixture, then with the test mode of confirming, with the test accessory in the test control box through different test probe connection to PCBA makeup, it is right to accomplish the test of PCBA makeup can avoid only can switching the button through manual trigger or manually switching test accessory, or can only test with automatic test mode through single chip microcomputer control, leads to unable adaptation different makeup test demands. The PCBA jointed board is tested through various test modes, the test mode is flexible and strong in universality, and the influence on the test effect caused by individual difference can be avoided so as to adapt to different PCBA test requirements.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a PCBA testing apparatus according to an embodiment of the invention. In this embodiment, the PCBA testing apparatus includes: a test control box 13 and a pin plate test jig 14. Wherein:
a pin plate test fixture 14, as shown in fig. 6, which includes a test probe 10, a stage and a lifting assembly; the object carrying platform is positioned above the test probe 10 and used for placing PCBA (printed Circuit Board Assembly) boards to be detected, and the PCBA boards comprise test contacts; the lifting assembly comprises a lifting mechanism and a gland 12 arranged at the bottom of a movable structure in the lifting mechanism, and the lifting mechanism is used for driving the gland 12 to move up and down so as to enable the test contact of the PCBA jointed board to be correspondingly connected with the test probe 10;
optionally, the pin plate test fixture 14 further comprises a toggle key 11. The conversion key 11 is used for converting the test component in the test control box to be connected with a different PCBA board so as to test the different PCBA board.
The test control box 13, the test control box pass through winding displacement 15 with test probe connects, in order to pass through test probe will the test fitting that the PCBA makeup corresponds is connected to PCBA board in the PCBA makeup, it is right to accomplish the test of PCBA makeup. Also, the test control in this embodiment is provided independently of the pin plate test jig. Of course, in other embodiments, the test control box may be directly integrated into the pin plate test fixture.
Optionally, the test control box 13, as shown in fig. 4, includes a power switch 1, a control box output interface 2, a voltmeter 3, an ammeter 4, an indicator lamp 5, a board splicing test quantity setting switch 6, an automatic test and manual test mode selection switch 7, a time adjustment potentiometer 8, and a reset switch 9. The number setting switch 6 for testing the jointed boards is used for setting the number of PCBA boards to be detected, and the set number is consistent with the number of PCBA boards contained in the PCBA jointed boards; the automatic test and manual test mode selection switch 7 is used for switching between an automatic test mode and a manual test mode, the automatic test mode particularly refers to a mode that the test control box automatically connects the test accessories corresponding to the PCBA jointed boards to different PCBA boards in the PCBA jointed boards through different test probes to test the different PCBA boards, and the manual test mode particularly refers to a mode that the test control box can manually stir the conversion key 11 by a user to connect the test accessories corresponding to the PCBA jointed boards to different PCBA boards in the PCBA jointed boards through different test probes to test the different PCBA boards; the time adjustment potentiometer 8 is used for setting switching interval time of the test accessories in the automatic test mode, wherein the switching interval time corresponds to the test time of each PCBA, and can be the average test time of the PCBA; the reset switch 9 is used for resetting data in the previous PCBA jointed board testing process so as to test the current PCBA jointed board after the data is reset.
In one embodiment, as shown in fig. 5, the test control box 13 may include a power circuit, a counter, a timing circuit for adjusting time, a relay for switching the test accessories, an LED indicator, a number setting switch, a voltmeter, a reset switch, a control box output interface, and the like. The counter can be selected according to the actual application requirements, and is preferably a decimal counter in the embodiment, such as a CD4017 decimal counter, each pulse output port of the decimal counter controls 1 LED indicator and 1 group of relays, and 1 group of relays consists of 5 relays and has 10 groups. The LED indicator light is used for indicating that the PCBA boards in the PCBA jointed board are tested, and the relay is used for converting power supply, loads, a voltmeter and the like of the tested PCBA boards; the number setting switch is used for controlling the number of bits of the clearing end of the counter and the pulse output port of the counter, so that the setting of the number of the connecting plates is realized.
It should be noted that, the embodiments of the PCBA testing device are basically the same as the embodiments of the PCBA jigsaw testing method, and detailed description is omitted here.
The test contact correspondence of this embodiment on with the PCBA makeup through faller test fixture 14 connects test probe 10 on faller test fixture to will through test probe 10 the PCBA makeup is established with test control box 13 and is connected to through test control box 13 test fitting in with test control box 13 through different test probe 10 PCBA makeup, it is right to accomplish the test of PCBA makeup for the testing process need not all to connect one set of test fitting for each PCBA makeup, only need with in the test control box with test fitting that the PCBA makeup corresponds connects gradually to each PCBA board, can accomplish right the test of PCBA makeup can avoid leading to the test to make mistakes because of error detection and detection appearance instrument, has improved the test effect of PCBA makeup test.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a PCBA test system for operating a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 7, the PCBA test system may include: a communication bus 1002, a processor 1001, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
And, this PCBA test system includes the above-mentioned PCBA test device, the said PCBA test device includes test control box 13 and faller bar test fixture 14, the said test control box 13 and faller bar test fixture 14 and the said memory 1005 can be connected with processor 1001 through the communication bus 1002.
Those skilled in the art will appreciate that the PCBA test system configuration shown in FIG. 1 does not constitute a limitation of the PCBA test system, and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
In the PCBA test system shown in fig. 7, the processor 1001 may call the PCBA board test program stored in the memory 1005 to control the pin plate test fixture 14 and the test control box 13 to perform the following operations:
correspondingly connecting the test contacts on the PCBA jointed board to the test probes on the needle plate test fixture, wherein the PCBA jointed board is formed by splicing a plurality of PCBA boards;
connecting test accessories in the test control box to the PCBA through different test probes to complete the test of the PCBA, wherein the test accessories are test elements corresponding to the PCBA.
Alternatively, the processor 1001 may call the PCBA panel test program stored in the memory 1005, and also perform the following operations:
determining a test mode corresponding to the PCBA jointed board, wherein the test mode comprises at least one of manual test and automatic test;
and connecting the test accessories in the test control box to the PCBA board through different test probes in the determined test mode to complete the test of the PCBA board.
Alternatively, the processor 1001 may call the PCBA panel test program stored in the memory 1005, and also perform the following operations:
if the determined test mode is manual test, connecting the test accessories in the test control box to different test probes through a switching key on the needle plate test fixture;
and connecting the test accessories to different PCBA boards in the PCBA jointed board through different test probes to complete the test of the PCBA jointed board.
Alternatively, the processor 1001 calls the PCBA panel test program stored in the memory 1005 and performs the following operations:
if the determined test mode is automatic test, determining the switching times of the test accessories according to the number of the PCBA boards in the PCBA jointed board, and setting the switching time of the test accessories;
connecting the test accessories in the test control box to the PCBA board through different test probes by taking the determined switching time as a time interval;
and when the connection times of the test fittings and the PCBA jointed board reach the switching times, the PCBA jointed board is tested.
Alternatively, the processor 1001 may call the PCBA panel test program stored in the memory 1005, and also perform the following operations:
determining the test sequence of different PCBA boards in the PCBA jointed board;
and according to the determined test sequence, sequentially connecting the test accessories in the test control box to different PCBA boards in the PCBA jointed board through different test probes to finish the test of the PCBA jointed board.
Optionally, an indicator light is disposed on the test control box, and after the step of sequentially connecting the test accessories in the test control box to different PCBA boards in the PCBA panels through different test probes according to the determined test sequence, the processor 1001 may call the PCBA panel test program stored in the memory 1005, and further perform the following operations:
acquiring indication information of the indicator light, wherein the indication information is test information of a PCBA board currently connected with the test accessory;
and when unqualified PCBA boards exist in the PCBA jointed board, determining the unqualified PCBA boards in the PCBA jointed board according to the test information and the test sequence.
Optionally, the test control box includes a counter and a plurality of relays, and the processor 1001 may call the PCBA panel test program stored in the memory 1005, and further perform the following operations:
controlling different relays by adopting the counter to connect the test accessories in the test control box to different test probes;
and connecting the test accessories to the PCBA board through different test probes to complete the test of the PCBA board.
Optionally, after the step of connecting the test contacts on the PCBA board to the test probes on the pin plate test fixture, the processor 1001 may call a PCBA board test program stored in the memory 1005, and further perform the following operations:
correspondingly connecting a test probe output interface on the needle plate test fixture with an output interface of a test control box;
and the PCBA jointed board is connected with the output interface of the test part on the test control box through the output interface of the test probe, so that the test part is connected to the PCBA jointed board through different test probe output interfaces.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, a television, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The PCBA jointed board testing method is applied to a PCBA testing system, the PCBA testing system comprises a needle plate testing clamp and a testing control box, and the PCBA jointed board testing method comprises the following steps:
correspondingly connecting the test contacts on the PCBA jointed board to the test probes on the needle plate test fixture, wherein the PCBA jointed board is formed by splicing a plurality of PCBA boards;
connecting test accessories in the test control box to the PCBA through different test probes to complete the test of the PCBA, wherein the test accessories are test elements corresponding to the PCBA.
2. The PCBA panel testing method of claim 1, wherein the step of completing testing of the PCBA panel by connecting test accessories in a test control box to the PCBA panel through different test probes comprises:
determining a test mode corresponding to the PCBA jointed board, wherein the test mode comprises at least one of manual test and automatic test;
and connecting the test accessories in the test control box to the PCBA board through different test probes in the determined test mode to complete the test of the PCBA board.
3. The method for testing a PCBA panel as in claim 2, wherein the step of connecting test components in a test control box to the PCBA panel via different test probes in the determined test pattern comprises:
if the determined test mode is manual test, connecting the test accessories in the test control box to different test probes through a switching key on the needle plate test fixture;
and connecting the test accessories to different PCBA boards in the PCBA jointed board through different test probes to complete the test of the PCBA jointed board.
4. The method for testing a PCBA panel as in claim 2, wherein the step of connecting test components in a test control box to the PCBA panel via different test probes in the determined test pattern comprises:
if the determined test mode is automatic test, determining the switching times of the test accessories according to the number of the PCBA boards in the PCBA jointed board, and setting the switching time of the test accessories;
connecting the test accessories in the test control box to the PCBA board through different test probes by taking the determined switching time as a time interval;
and when the connection times of the test fittings and the PCBA jointed board reach the switching times, the PCBA jointed board is tested.
5. The PCBA panel testing method of claim 1, wherein the step of completing testing of the PCBA panel by connecting test accessories in a test control box to the PCBA panel through different test probes comprises:
determining the test sequence of different PCBA boards in the PCBA jointed board;
and according to the determined test sequence, sequentially connecting the test accessories in the test control box to different PCBA boards in the PCBA jointed board through different test probes to finish the test of the PCBA jointed board.
6. The PCBA panel testing method as in claim 5, wherein the step of sequentially connecting the test components in the test control box to different PCBA boards in the PCBA panel through different test probes according to the determined test sequence is followed by arranging an indicator light on the test control box, and the method comprises the following steps:
acquiring indication information of the indicator light, wherein the indication information is test information of a PCBA board currently connected with the test accessory;
and when unqualified PCBA boards exist in the PCBA jointed board, determining the unqualified PCBA boards in the PCBA jointed board according to the test information and the test sequence.
7. The PCBA panel testing method of claim 1, wherein the test control box includes a counter and a plurality of relays, and wherein connecting the test components in the test control box to the PCBA panel via different test probes completes testing of the PCBA panel, the steps comprising:
controlling different relays by adopting the counter to connect the test accessories in the test control box to different test probes;
and connecting the test accessories to the PCBA board through different test probes to complete the test of the PCBA board.
8. The PCBA board testing method of claim 1, wherein the step of connecting the test contacts on the PCBA board to the test probes on the pin plate test fixture comprises, after the step of connecting the test contacts to the test probes on the pin plate test fixture:
correspondingly connecting a test probe output interface on the needle plate test fixture with an output interface of a test control box;
and the PCBA jointed board is connected with the output interface of the test part on the test control box through the output interface of the test probe, so that the test part is connected to the PCBA jointed board through different test probe output interfaces.
9. A PCBA test device, comprising:
the pin plate test fixture comprises a test probe, a carrying platform and a lifting assembly; the object carrying platform is positioned above the test probe and used for placing a PCBA (printed Circuit Board Assembly) to be detected, and the PCBA comprises a test contact; the lifting assembly comprises a lifting mechanism and a gland which is arranged at the bottom of a movable structure in the lifting mechanism, and the lifting mechanism is used for driving the gland to move up and down so as to enable the test contact of the PCBA jointed board to be correspondingly connected with the test probe;
the test control box comprises a test part and an output interface corresponding to the test part, the output interface corresponding to the test part is connected with the output interface of the test probe, so that the test part is connected to the PCBA jointed board through different test probes, and the test of the PCBA jointed board is completed.
10. A PCBA test system comprising a memory, a processor and a PCBA panel test program stored on the memory and operable on the processor, the PCBA panel test program when executed by the processor implementing the steps of the PCBA panel test method of any one of claims 1-8; and
a PCBA test device as claimed in claim 9, connected to the processor for controlling the PCBA test device to perform the steps of the PCBA panel test method as claimed in any one of claims 1 to 8 when the processor executes the PCBA panel test program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984795.XA CN112114245B (en) | 2020-09-17 | 2020-09-17 | PCBA (printed circuit board assembly) board testing method, PCBA board testing device and PCBA board testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984795.XA CN112114245B (en) | 2020-09-17 | 2020-09-17 | PCBA (printed circuit board assembly) board testing method, PCBA board testing device and PCBA board testing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112114245A true CN112114245A (en) | 2020-12-22 |
| CN112114245B CN112114245B (en) | 2022-12-13 |
Family
ID=73800292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010984795.XA Active CN112114245B (en) | 2020-09-17 | 2020-09-17 | PCBA (printed circuit board assembly) board testing method, PCBA board testing device and PCBA board testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112114245B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125763A (en) * | 1977-07-15 | 1978-11-14 | Fluke Trendar Corporation | Automatic tester for microprocessor board |
| CN202600077U (en) * | 2012-05-30 | 2012-12-12 | 青岛海信电器股份有限公司 | Multi-board combined test board and test system of remote controller |
| CN202710715U (en) * | 2012-04-27 | 2013-01-30 | 深圳市奋达电器有限公司 | PCBA (Printed Circuit Board Assemble) jointed board testing device |
| CN203084159U (en) * | 2013-02-19 | 2013-07-24 | 瑞华高科技电子工业园(厦门)有限公司 | Device for testing flexible printed circuit board (FPCB) |
| CN203786275U (en) * | 2014-03-28 | 2014-08-20 | 山东明华光电科技有限公司 | LED driving power automatic detection device |
| CN203798974U (en) * | 2014-03-06 | 2014-08-27 | 深圳市沃特沃德科技有限公司 | Calibration device of PCBA jointed board |
| CN204009018U (en) * | 2014-06-24 | 2014-12-10 | 四川九州电子科技股份有限公司 | Power supply automatic detecting equipment |
| CN104714168A (en) * | 2015-02-06 | 2015-06-17 | 宁波科瑞特光电技术有限公司 | Flexible circuit board probing method |
| CN204595158U (en) * | 2015-02-12 | 2015-08-26 | 深圳市福瑞康电子有限公司 | A kind of Switching Power Supply yoke plate auto testing instrument |
| CN106940401A (en) * | 2017-03-13 | 2017-07-11 | 郑州云海信息技术有限公司 | A kind of impedance detecting method and system |
| CN107104827A (en) * | 2017-04-12 | 2017-08-29 | 上海斐讯数据通信技术有限公司 | DMZ method for automatically testing functions and system based on Socket |
| CN206930954U (en) * | 2017-07-04 | 2018-01-26 | 厦门亿加凌电子有限公司 | PCBA function automatic detection systems |
| CN206946465U (en) * | 2017-05-16 | 2018-01-30 | 青岛天盈华智科技有限公司 | A kind of recording device |
| CN209231469U (en) * | 2018-11-09 | 2019-08-09 | 青岛地铁集团有限公司运营分公司 | Air conditioner of subway vehicle controller automatization Detecting data |
| CN110261807A (en) * | 2019-06-06 | 2019-09-20 | 广州供电局有限公司 | Mutual inductor detection system, mutual inductor detection method and device |
| CN111175638A (en) * | 2020-01-13 | 2020-05-19 | 易路泰科技(江西)有限公司 | Automatic two-sided test equipment of commonality PCBA board |
-
2020
- 2020-09-17 CN CN202010984795.XA patent/CN112114245B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125763A (en) * | 1977-07-15 | 1978-11-14 | Fluke Trendar Corporation | Automatic tester for microprocessor board |
| CN202710715U (en) * | 2012-04-27 | 2013-01-30 | 深圳市奋达电器有限公司 | PCBA (Printed Circuit Board Assemble) jointed board testing device |
| CN202600077U (en) * | 2012-05-30 | 2012-12-12 | 青岛海信电器股份有限公司 | Multi-board combined test board and test system of remote controller |
| CN203084159U (en) * | 2013-02-19 | 2013-07-24 | 瑞华高科技电子工业园(厦门)有限公司 | Device for testing flexible printed circuit board (FPCB) |
| CN203798974U (en) * | 2014-03-06 | 2014-08-27 | 深圳市沃特沃德科技有限公司 | Calibration device of PCBA jointed board |
| CN203786275U (en) * | 2014-03-28 | 2014-08-20 | 山东明华光电科技有限公司 | LED driving power automatic detection device |
| CN204009018U (en) * | 2014-06-24 | 2014-12-10 | 四川九州电子科技股份有限公司 | Power supply automatic detecting equipment |
| CN104714168A (en) * | 2015-02-06 | 2015-06-17 | 宁波科瑞特光电技术有限公司 | Flexible circuit board probing method |
| CN204595158U (en) * | 2015-02-12 | 2015-08-26 | 深圳市福瑞康电子有限公司 | A kind of Switching Power Supply yoke plate auto testing instrument |
| CN106940401A (en) * | 2017-03-13 | 2017-07-11 | 郑州云海信息技术有限公司 | A kind of impedance detecting method and system |
| CN107104827A (en) * | 2017-04-12 | 2017-08-29 | 上海斐讯数据通信技术有限公司 | DMZ method for automatically testing functions and system based on Socket |
| CN206946465U (en) * | 2017-05-16 | 2018-01-30 | 青岛天盈华智科技有限公司 | A kind of recording device |
| CN206930954U (en) * | 2017-07-04 | 2018-01-26 | 厦门亿加凌电子有限公司 | PCBA function automatic detection systems |
| CN209231469U (en) * | 2018-11-09 | 2019-08-09 | 青岛地铁集团有限公司运营分公司 | Air conditioner of subway vehicle controller automatization Detecting data |
| CN110261807A (en) * | 2019-06-06 | 2019-09-20 | 广州供电局有限公司 | Mutual inductor detection system, mutual inductor detection method and device |
| CN111175638A (en) * | 2020-01-13 | 2020-05-19 | 易路泰科技(江西)有限公司 | Automatic two-sided test equipment of commonality PCBA board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112114245B (en) | 2022-12-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101145859B (en) | Testing system and method for mobile phone single board | |
| US20030126735A1 (en) | Probe for a wire inserting detection jig | |
| US20120119773A1 (en) | Testing Auxiliary Apparatus | |
| KR0163688B1 (en) | Internal circuit measuring device | |
| CN215986161U (en) | Test fixture and test device | |
| CN110609511A (en) | Full-automatic test system, method and storage medium for power automation device plug-in | |
| CN112114245B (en) | PCBA (printed circuit board assembly) board testing method, PCBA board testing device and PCBA board testing system | |
| CN101370230A (en) | Automatic test system and method for mobile phone keyboard | |
| CN213633696U (en) | Circuit board testing device | |
| CN210155262U (en) | General function automatic test platform | |
| CN117214686A (en) | Relay testing device and relay testing method | |
| CN213813677U (en) | Battery package mainboard automatic test system | |
| CA1226037A (en) | Check system for a control board | |
| CN210575574U (en) | Toggle device of dial switch | |
| CN219831314U (en) | General frock testing arrangement of non-customization of PCBA | |
| CN212808514U (en) | Electronic watch movement current detection frame | |
| CN218630076U (en) | Control device and automatic test system | |
| CN220064302U (en) | Underwater mask button life testing device | |
| CN220120939U (en) | Multifunctional testing device and multifunctional testing system | |
| CN111366811B (en) | Integrated automatic inspection device and method for electronic components | |
| CN217060459U (en) | Automatic test equipment of array LED lamp plate | |
| CN220252035U (en) | Time relay power supply and trigger signal supply device | |
| CN216083673U (en) | Automatic testing arrangement and automatic test system of makeup PCBA | |
| CN113985131B (en) | Insulation resistance testing method and device for quartz crystal resonator | |
| CN114325345B (en) | Burn-in machine and interface board for burn-in machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Room 403a, Skyworth Digital Building, Songbai Road, Shiyan street, Bao'an District, Shenzhen, Guangdong Province Applicant after: Shenzhen toptec Technology Co.,Ltd. Address before: 518000 2nd-6th floor, No.3, liaokeng third industrial zone, Langxin community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN TOP-TEK ELECTRONICS Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |