CN203232134U - Testing device of printed circuit board assembly (PCBA) - Google Patents
Testing device of printed circuit board assembly (PCBA) Download PDFInfo
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- CN203232134U CN203232134U CN 201220742311 CN201220742311U CN203232134U CN 203232134 U CN203232134 U CN 203232134U CN 201220742311 CN201220742311 CN 201220742311 CN 201220742311 U CN201220742311 U CN 201220742311U CN 203232134 U CN203232134 U CN 203232134U
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Abstract
The utility model discloses a testing device of a printed circuit board assembly (PCBA); and the testing device comprises the following elements: a testing item enabling unit for sending testing function test enabling signals to a function test control unit connected with the testing item enabling unit according to function test requirements of a to-be-tested circuit board; a test connecting wire harness connected on to-be-tested points of the to-be-tested circuit board, is for collecting test information of the to-be-tested circuit board and inputting the test information to the function test control unit; and the function test control unit for determining the test information to realize function test of the to-be-tested circuit board according to received function test enabling signals and preset test standards and rules. The test connecting wire harness is employed to connect with the to-be-tested points of the to-be-tested circuit board, so contact failure is prevented; tested faults can be simultaneously repaired when the to-be-tested circuit board is being tested; and determination of problem positioning of the PCBA board is easy, thereby improving maintenance efficiency of the PCBA board.
Description
Technical field
The utility model relates to field of automatic testing, relates in particular to a kind of real device, circuit board proving installation of (Printed Circuit Board Assembly is called for short PCBA).
Background technology
In the batch production process of PCBA, because equipment and operator's various possible factor can not guarantee that the PCBA that produces is intact product all.This just require the later stage of producing by utilizing various testing apparatuss and testing tool, guarantee that all size and the parameter of all real device, circuit boards of dispatching from the factory and design is in full accord.
Now testing the most frequently used method of PCBA production board is the flying probe method, but the disadvantage of the method is Board Under Test must be completely fixed, the direct Elastic Contact of probe is on the test point or solder joint of Board Under Test, structure control compresses contact point, contact pin has been easy to the loose contact phenomenon, to very big restriction is also arranged in serviceable life of test fixture.Though promote to some extent on test speed, because the structure of test point fixedly causes individual event function and the maintenance of judging the PCBA plate are made troubles.
The utility model content
One of technical problem to be solved in the utility model is that a kind of proving installation that can contact the real device, circuit board of Board Under Test fully need be provided.
In order to solve the problems of the technologies described above, the utility model provides a kind of proving installation of real device, circuit board, this device comprises: functional test control module, test item enable unit and test rat tail, wherein, described test item enables the unit, it sends the functional test enable signal that will test according to the functional test demand of circuit board under test to connected described functional test control module;
Described test rat tail, it is connected on the measured point of described circuit board under test, is used for gathering the detecting information of described circuit board under test, and described detecting information is inputed to described functional test control module;
Described functional test control module, it according to the testing standard that presets and rule, judges to realize the functional test of described circuit board under test according to the described functional test enable signal that receives to described detecting information.
The proving installation of the real device, circuit board that the utility model provides, preferably, also comprise: power module, described power module, it is connected with described functional test unit, be used for giving described proving installation power supply, and needed operating voltage is provided when described circuit board under test is carried out functional test.
The proving installation of the real device, circuit board that the utility model provides preferably, also comprises: the test mode display unit, it is connected with described functional test control module, and the result after current content measurement and functional test state and/or the test is shown.
The proving installation of the real device, circuit board that the utility model provides, preferably, described functional test control module is central processing unit, its voltage to described circuit board under test, electric current, communication and/or temperature are carried out functional test.
The proving installation of the real device, circuit board that the utility model provides, preferably, described test mode display unit shows by the result of display screen after to current content measurement and functional test state and/or test.
The proving installation of real device, circuit board provided by the invention preferably, also comprises grip unit, described grip unit, and it is used for fixing described circuit board under test.
The proving installation of the real device, circuit board that the utility model provides, preferably, the edge that described grip unit is clamped described circuit board under test at least fixes described circuit board under test.
The proving installation of the real device, circuit board that the utility model provides, preferably, described grip unit comprises:
Two vertical pillars that are used for built on stilts described circuit board under test;
The base that is used for fixing described two vertical pillars;
Be installed in rotating two hold assemblies on the described vertical pillars respectively;
With the rotary handle that described hold assembly is connected one of at least, rotate described rotary handle and drive described hold assembly and make and make somebody a mere figurehead described circuit board under test upset between two vertical pillars.
The proving installation of the real device, circuit board that the utility model provides, preferably, described rat tail is signal wire.
Compared with prior art, one or more embodiment of the present utility model can have following advantage:
The utility model is connected to the measured point of Board Under Test by adopting the test rat tail, avoid occurring the situation of loose contact as the probe test method, make and when Board Under Test is tested, can also the defect problem that test out be keeped in repair, the convenient positioning problems of judging the PCBA plate, the overhaul efficiency of raising PCBA plate.Greatly made things convenient for the maintenance of PCBA, make things convenient for the fault of Board Under Test to judge, produce reprocess, functional test.The utility model has improved test speed, reduces cost, and reduction is artificial, is applicable to test and the detection of general industry and product for civilian use PCBA.
Other features and advantages of the utility model will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in instructions, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of instructions, is used for jointly explaining the utility model with embodiment of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the system chart according to the proving installation of the real device, circuit board of the utility model embodiment;
Fig. 2 is the structural representation according to the grip unit 5 of the proving installation of the utility model embodiment.
Embodiment
Understand easily, according to the technical solution of the utility model, do not changing under the connotation of the present utility model, one of ordinary skill in the art can propose a plurality of frame mode of the present utility model.Therefore following embodiment and accompanying drawing only are specifying of the technical solution of the utility model, and should not be considered as of the present utility model all or be considered as restriction or the restriction of technical solutions of the utility model.
Fig. 1 is the system chart according to the proving installation of the real device, circuit board of the utility model embodiment, below with reference to Fig. 1, describes each ingredient and the function of the proving installation of present embodiment in detail.
As shown in Figure 1, this proving installation mainly comprises: functional test control module 1, test item enable unit 2, test mode display unit 3, power module 4, grip unit 5 and test rat tail 6.
Test item enables unit 2, it is connected with functional test control module 1, it starts every functional test according to the functional test demand of circuit board under test (also can be described as Board Under Test), sends the functional test enable signal that will test to connected functional test control module 1.Need to prove, the test function item of Board Under Test can be enabled by manually operated mode, can be by multinomial functions such as the independent test of the key to run that arranges or follow-on tests.The keypress function that test item enables unit 2 is defined as every functional test content of startup.When button was pressed, its corresponding functional test task of enabling brought into operation.According to the functional test demand of Board Under Test, trigger every task run that enables by button, can realize the unordered test of every function, repeated test, follow-on test also can be realized individual event functional test, multinomial functional test synchronism detection.Like this design indicates the test intelligent and dirigibility.
Test rat tail 6, it is connected on the measured point of circuit board under test, cooperates the fixed sturcture of Board Under Test, gathers the detecting information of Board Under Test, and detecting information is inputed to functional test control module 1.Need to prove that this test rat tail 6 is signal wire, as long as this wire harness can transmit signal.
Functional test control module 1, it is central processing unit (hereinafter to be referred as CPU), core for the system test device, it is according to the functional test enable signal that receives, by being connected the test rat tail 6 of circuit board under test (also can be described as Board Under Test) measured point, circuit board under test carries out corresponding functional test in the grip unit 5 to being fixed on.Specific as follows:
It receives after above-mentioned test item enables the functional test enable signal of unit 2 input, according to the testing standard that presets and rule, enable resources such as the inner IO of CPU, interruption, communication, AD, cooperate with the CPU internal processes, detecting information to the Board Under Test that collects of test rat tail 6 is judged, and determine according to judged result whether Board Under Test is qualified, thereby realize every function of circuit board under test is tested.For example, can test the functions such as voltage, electric current, communication and/or temperature of PCBA plate by this functional test control module 1, each functional test can be tested in individual event, also can test synchronously.
In addition, the instrument and meter according to testing requirement interpolation subtest is used for presenting the various analog or digital signals that test process inputs or outputs.Current test mode is provided simultaneously, the content measurement in each step is judged and record, finally draw test result.
According to the testing requirement of Board Under Test, can finish multiple test function, also can be according to the replacing test function of the different demands of tested PCB A plate.The testing standard that presets and rule specifically can be as shown in table 1 below:
The definition of test function is directly connected to demand that Board Under Test is finished, for example, Board Under Test need be realized communications protocol is resolved forwarding capability, then needs Board Under Test is imported one group of data that meet the Board Under Test communications protocol, judges the correctness of its output data then.Particularly, by starting the button that test item enables unit 2, send this functional test signal to functional test control module 1, make functional test control module 1 finish functional test, and indicate test mode.
Test mode display unit 3, it is connected with functional test control module 1, and the result after current content measurement and functional test state and/or the test is shown.
Particularly, can utilize LED to show that the test mode of current test function, test mode just comprise in test mode, test by state (also can be described as the test passes state), test not by state (also can be described as the not qualified state of testing).Can be to the current content measurement of synchronous demonstration and test mode when display screen shows test mode.Display screen also shows test results, and is convenient to the staff and by this test result the PCBA product quality is control effectively.
In addition, need to prove when functional test control module 1 uses state machine to carry out programmed control, be divided into state to be measured, test mode, test completion status:
Holding state: after the initialization, test mode pilot lamp (LED in the test mode display unit 3) glimmers after 2 times synchronously, test complement mark=0; Change test mode over to.
Test mode: under test mode, test complement mark==0; Inquire about inner sub-test function module button simultaneously, the tested item of group test function module is carried out sub-test procedure after enabling unit 3 activation, and judges finishing or qualified situation of test.After all test was finished, test complement mark=1 transferred completion status to.
Completion status: test complement mark==1, if after all passing through, expression is the pilot lamp Chang Liang of test all; If have not by test item, expression all pilot lamp and the unsanctioned test item pilot lamp of test is glimmered simultaneously; Wait continues test after newly power on.
Power module 4, it is connected with functional test control module 1, and being used for provides needed electric signal to the whole test system power supply and to circuit board under test when carrying out functional test, reach simulation Board Under Test actual working environment.Power module 4 can also play the effect of current limliting, short-circuit protection.
Grip unit 5, its edge clamping circuit board under test at least fixes circuit board under test.Because in the present embodiment, be to be connected with the measured point of circuit board under test by rat tail, and then test by 1 pair of this circuit-under-test plate of functional test control module that is connected with rat tail.Therefore, this grip unit 5 needs only the energy fixing circuit board, and the tow sides of circuit board are exposed, to get final product convenient the connection with circuit board.For grip unit 5, be not particularly limited its concrete structure.
Preferably, Fig. 2 is the structural representation according to grip unit in the test macro of the utility model embodiment, describes each ingredient of this unit in detail below with reference to Fig. 2.
Grip unit 5 comprises: two vertical pillars 51 that are used for built on stilts described circuit board under test; Be used for fixing the base 52 of two vertical pillars; Be installed in rotating two hold assemblies 53 on the vertical pillars 51 respectively; With the rotary handle 54 that hold assembly 53 is connected one of at least, rotate rotary handle 54 and drive hold assemblies 53 and make and make somebody a mere figurehead circuit board under test upset between two vertical pillars 51.
Therefore generally, circuit board under test is rectangular panel blocks, about the distance between the length of two vertical pillars and two vertical pillars, as long as can make circuit board to overturn, is not specifically limited.For example, when hold assembly 53 was clamped two broadsides of circuit board, the length of two vertical pillars was greater than wide half, and the distance between two columns gets final product greater than the length of circuit board.
Design grip unit 5 like this, convenient tow sides with the PCBA plate expose, and make rat tail can connect the measured point more easily.
And, owing to be connected on the measured point of circuit board under test by test rat tail 6, therefore, when detecting this circuit board and break down, by direct break function unit of testing and controlling 1, corresponding maintenance unit is connected on the test rat tail 6, just can keeps in repair this circuit board rapidly, be convenient in maintenance, use.
Need not to redesign whole testing device at different PCBA, only need to change corresponding rat tail and get final product, cost obviously reduces, and the overturn structure of grip unit 5 has been accelerated the integrated testability of circuit board.
The utility model is connected to the measured point of Board Under Test by adopting the test rat tail, avoid occurring the situation as the probe loose contact, and when being tested, can also the defect problem that test out be keeped in repair Board Under Test, the convenient positioning problems of judging the PCBA plate, the overhaul efficiency of raising PCBA plate.Greatly made things convenient for the maintenance of PCBA, make things convenient for the fault of Board Under Test to judge, produce reprocess, functional test.The utility model has improved test speed, reduces cost, and reduction is artificial, is applicable to test and the detection of general industry and product for civilian use PCBA.
Though the disclosed embodiment of the utility model as above, the embodiment that described content just adopts for the ease of understanding the utility model is not in order to limit the utility model.Technician under any the utility model in the technical field; under the prerequisite that does not break away from the disclosed spirit and scope of the utility model; can do any modification and variation in the details of implementing that reaches in form; but scope of patent protection of the present utility model still must be as the criterion with the scope that appending claims was defined.
Claims (9)
1. the proving installation of a real device, circuit board is characterized in that, comprising:
According to the functional test demand of circuit board under test, the test item that sends the functional test enable signal that will test to connected functional test control module enables the unit;
Be connected on the measured point of described circuit board under test, be used for gathering the detecting information of described circuit board under test, and described detecting information is inputed to the test rat tail of described functional test control module;
Be connected with described test rat tail, according to the described functional test enable signal that receives, according to the testing standard that presets and rule, described detecting information judged to realize the functional test control module of the functional test of described circuit board under test.
2. proving installation according to claim 1 is characterized in that, also comprises power module,
Described power module, it is connected with described functional test unit, is used for giving described proving installation power supply, and needed operating voltage is provided when described circuit board under test is carried out functional test.
3. proving installation according to claim 2 is characterized in that, also comprises:
The test mode display unit, it is connected with described functional test control module, and the result after current content measurement and functional test state and/or the test is shown.
4. proving installation according to claim 1 is characterized in that,
Described functional test control module is central processing unit, and its voltage to described circuit board under test, electric current, communication and/or temperature are carried out functional test.
5. proving installation according to claim 2 is characterized in that,
Described test mode display unit shows by the result of display screen after to current content measurement and functional test state and/or test.
6. according to each described proving installation in the claim 1 to 5, it is characterized in that, also comprise grip unit, described grip unit, it is used for fixing described circuit board under test.
7. proving installation according to claim 6 is characterized in that,
The edge that described grip unit is clamped described circuit board under test at least fixes described circuit board under test.
8. proving installation according to claim 7 is characterized in that, described grip unit comprises:
Two vertical pillars that are used for built on stilts described circuit board under test;
The base that is used for fixing described two vertical pillars;
Be installed in rotating two hold assemblies on the described vertical pillars respectively;
With the rotary handle that described hold assembly is connected one of at least, rotate described rotary handle and drive described hold assembly and make and make somebody a mere figurehead described circuit board under test upset between two vertical pillars.
9. proving installation according to claim 1 is characterized in that,
Described rat tail is signal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742311 CN203232134U (en) | 2012-12-28 | 2012-12-28 | Testing device of printed circuit board assembly (PCBA) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742311 CN203232134U (en) | 2012-12-28 | 2012-12-28 | Testing device of printed circuit board assembly (PCBA) |
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| Publication Number | Publication Date |
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| CN203232134U true CN203232134U (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220742311 Expired - Lifetime CN203232134U (en) | 2012-12-28 | 2012-12-28 | Testing device of printed circuit board assembly (PCBA) |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076553A (en) * | 2012-12-28 | 2013-05-01 | 北京世纪东方国铁科技股份有限公司 | Test device for PCBA (printed circuit board assembly) |
| CN104459520A (en) * | 2014-12-09 | 2015-03-25 | 欧朗科技（苏州）有限公司 | Automatic rapid detecting device for PCBA |
| CN104897988A (en) * | 2015-05-19 | 2015-09-09 | 苏州高新区世纪福科技有限公司 | FCT test system |
| CN108241362A (en) * | 2017-12-29 | 2018-07-03 | 武汉祺誉星科技有限公司 | Control board measuring method |
| CN109143035A (en) * | 2018-09-03 | 2019-01-04 | 安徽文康科技有限公司 | Circuit board detecting tooling |
-
2012
- 2012-12-28 CN CN 201220742311 patent/CN203232134U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076553A (en) * | 2012-12-28 | 2013-05-01 | 北京世纪东方国铁科技股份有限公司 | Test device for PCBA (printed circuit board assembly) |
| CN104459520A (en) * | 2014-12-09 | 2015-03-25 | 欧朗科技（苏州）有限公司 | Automatic rapid detecting device for PCBA |
| CN104897988A (en) * | 2015-05-19 | 2015-09-09 | 苏州高新区世纪福科技有限公司 | FCT test system |
| CN108241362A (en) * | 2017-12-29 | 2018-07-03 | 武汉祺誉星科技有限公司 | Control board measuring method |
| CN109143035A (en) * | 2018-09-03 | 2019-01-04 | 安徽文康科技有限公司 | Circuit board detecting tooling |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171222 Address after: 102600 Beijing city Daxing District Zhongguancun science and Technology Park Daxing bio pharmaceutical industry base, No. 21 courtyard, Tianrong street, building No. 1 Patentee after: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. Address before: 100070 Beijing, Fengtai District, South Fourth Ring Road West, No. twelve, district 31, building (Park) Patentee before: BEIJING CENTURY EAST CHINA RAILWAY TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee after: Beijing Century Oriental Zhihui Technology Co.,Ltd. Address before: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee before: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131009 |