CN101776729B - Portable automatic test fixture - Google Patents
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- CN101776729B CN101776729B CN 200910188824 CN200910188824A CN101776729B CN 101776729 B CN101776729 B CN 101776729B CN 200910188824 CN200910188824 CN 200910188824 CN 200910188824 A CN200910188824 A CN 200910188824A CN 101776729 B CN101776729 B CN 101776729B
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Abstract
The invention relates to a portable automatic test fixture, comprising a tooling, a PCB connecting board, a plurality of digital-to-analogue converting modules, an analogue interface module and a controlling module, wherein the tooling is fixed with the PCB connecting board; the digital-to-analogue converting module are arranged separately with the PCB connecting board; and the controlling module comprises test programs. The implementation of the tooling of the sequential logic module in the invention can realize automatic detection, simplify test procedures, improve production efficiency and avoid artificial carelessness on the one hand, and on the other hand, testing is carried out without needing to assemble the sequential logic module into a semi-finished product, thus reducing defective percentage and lowering rejection rate.
Description
Technical field
The present invention relates to a kind of proving installation, more particularly, relate to a kind of portable automatic test fixture.
Background technology
At present, integrated control chip does not all have corresponding testing apparatus after design, such as, the sequential logic module refers to relate to the control circuit that single-chip microcomputer, DSP, FPGA etc. can utilize the sequential programming.This type of sequential logic module is such as having numerical control fluorescent lamp rectifier, communication module etc., because the complicacy of sequential logic module and the randomness of programmed logic are difficult to test in process of production by simple method.
Usually way is: after 1, producing the sequential logic module with unify to carry out half-finished test after other module assembleds become semi-manufacture; 2, the tester makes frock and carries out the manual testing according to one one of function items, and it is qualified to be judged whether by operating personnel.When producing, as adopt above-mentioned first method to test, unusual if the sequential logic module occurs, break down etc. such as program error, pin, will become substandard products with its other modules of jointly testing, caused waste; As adopting second method to test, the manual testing is wasted time and energy, and is unfavorable for test in enormous quantities.Simultaneously, because complexity and the diversity of sequential logic, the content measurement of artificial regulation easily causes careless omission, causes defect rate to increase.
So just need to improve the dependence test mode of prior art.
Summary of the invention
The technical problem to be solved in the present invention is, give birth to the defective that poor efficient is low, defect rate is high, scrappage is high when for prior art above-mentioned the order logic module being tested, the portable automatic test fixture that a kind of production efficiency is high, defect rate is low, scrappage is low is provided.
The technical solution adopted for the present invention to solve the technical problems is: the invention provides a kind of portable automatic test fixture, wherein, described test fixture comprises a frock clamp, the PCB web joint that is fixedly installed at this frock clamp, and a plurality of D/A converter modules of separating setting with described PCB web joint, analog interface module and contain the control module of test procedure; Piecemeal is provided with on described PCB web joint: be used for the first plug socket that grafting contains the control module of test procedure, and a plurality of the second plug socket be used to the described D/A converter module of pegging graft; Described the first plug socket is provided with a plurality of interface end, wherein, the a plurality of interface end that are used as signal output or signal input are electrically connected respectively an interface end of described second plug socket, and another interface end of this second plug socket is by a test port of one road analog interface module linking objective test board; Also be provided with power module on described PCB web joint, the output terminal of described power module is electrically connected respectively on described the first plug socket as the interface end of power supply input and another interface end of described the second plug socket; When described control module is inserted into the first plug socket and multi-channel digital and analogue modular converter and is inserted into the second plug socket, described control module is according to described test procedure output digital test signal, and exporting described target detection plate to by described D/A converter module, analog interface module successively, described target detection plate also passes through analog interface module, D/A converter module successively to described control module feedback test information.
Described portable automatic test fixture wherein, also is provided with on described PCB web joint for the display interface module that connects display, and the interface end as display output on described the first plug socket connects described display interface module.
Described portable automatic test fixture wherein, also is provided with on described PCB web joint for realizing the communication module of communication with the outside, and the interface end as the communication data transmission on described the first plug socket is electrically connected described communication module.
Described portable automatic test fixture, wherein, described power module comprises:
The external power source interface is used for connecting the external power source output terminal; And
Voltage regulating module, be used for the voltage with external power source output, buck or boost is to meeting the direct voltage output that is inserted into control module and D/A converter module requirement, and the input end of this voltage regulating module connects described external power source interface, output terminal is electrically connected respectively described the first plug socket and the second plug socket.
Described portable automatic test fixture, wherein, described D/A converter module comprises: the input modular converter that a plurality of separation arrange and output modular converter, the interface end of exporting as signal at described the first plug socket connects one tunnel described analog interface module by the second plug socket that is plugged with described output modular converter, and described output modular converter is converted to for the output signal with described control module and meets the input signal that the target detection plate requires; The interface end of inputting as signal at described the first plug socket connects one tunnel described analog interface module by the second plug socket that is plugged with described input modular converter, and described input modular converter is used for described target detection plate feedack is converted to the input signal that meets described control module requirement.
Described portable automatic test fixture, wherein, the input modular converter of described separation setting comprises the series circuit that the first resistance and the second resistance are in series and consist of; One end of this series circuit is electrically connected an end of one road analog interface module, the other end ground connection of this series circuit, and the joint of the first resistance and the series connection of the second resistance is electrically connected an interface end of inputting as signal on described the first plug socket.
Described portable automatic test fixture, wherein, the output modular converter of described separation setting comprises switching tube and current-limiting resistance unit, the grid of described switching tube connects an interface end of exporting as signal on described the first plug socket, the source electrode of described switching tube connects an end of one road analog interface module by described current-limiting resistance unit, and the drain electrode of described switching tube connects the output terminal of described power module.
Described portable automatic test fixture, wherein, in the described output modular converter, described current-limiting resistance unit comprises the series circuit of single resistance or two above resistance or the series parallel structure that a plurality of resistance forms.
Described portable automatic test fixture, wherein, described control module comprises: memory module, and single-chip microcomputer, described memory module is connected by data line with described single-chip microcomputer.
Described portable automatic test fixture, wherein, described memory module adopts can repeat erasable formula storage medium.
Implement portable automatic test fixture provided by the invention, has following beneficial effect: on the one hand, can be directly in PCB web joint access target detection plate or sequential logic module to be tested, then adjust arbitrarily the corresponding D/A converter module of access according to the FPDP of target to be tested, and select corresponding analog interface module, just can automatically export the test signal of simulation according to the test procedure of storage, therefore, can realize automatic detection, simplify the test link, improved production efficiency, avoided artificial careless omission; On the other hand, for different sequential logic modules or target detection plate test, only need the corresponding test procedure of updated stored module and D/A converter module or analog interface module, can realize test, therefore do not need to become semi-manufacture to test again the sequential logic module assembled, reduced defect rate, reduced scrappage; Another aspect, portable automatic test fixture structure provided by the present invention is little, and control module and D/A converter module all can replace installation, makes things convenient for the HardwareUpgring of test fixture.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the logical organization synoptic diagram of portable automatic test fixture embodiment one of the present invention;
Fig. 2 is the logical organization synoptic diagram of D/A converter module of the present invention;
Fig. 3 is the particular circuit configurations synoptic diagram of D/A converter module of the present invention;
Fig. 4 is the circuit diagram of portable automatic test fixture embodiment one of the present invention.
Embodiment
As shown in Figure 1, the invention provides a kind of portable automatic test fixture, its structure is as follows:
Test fixture comprises a frock clamp, the PCB web joint 100 that is fixedly installed at this frock clamp, and a plurality of D/A converter modules 300 of separating setting with described PCB web joint 100, analog interface module 200 and contain the control module of test procedure; Piecemeal is provided with on described PCB web joint 100: be used for the first plug socket 101 (in the boxed area of Fig. 1 solid line 101) that grafting contains the control module of test procedure, and a plurality of the second plug socket 102 be used to the described D/A converter module 300 of pegging graft (in the boxed area of Fig. 1 solid line 102); The first plug socket 101 is provided with a plurality of interface end, wherein, the a plurality of interface end that are used as signal output or signal input are electrically connected respectively an interface end of described second plug socket 102, and another interface end of this second plug socket 102 is by a test port of one road analog interface module, 300 linking objective test boards; Also be provided with power module 106 on PCB web joint 100, the output terminal of power module 106 is electrically connected respectively on the first plug socket 101 as the interface end of power supply input and another interface end of the second plug socket 102.
The control module here comprises: memory module and single-chip microcomputer, this memory module is connected by data line with single-chip microcomputer, such as, control module can adopt the control chip of tape program storer or adopt independently that control chip adds exterior storage medium, but this program storage or exterior storage medium be direct read/write all, perhaps can repeat erasablely, storage medium is mainly used in storing test program.When control module is inserted into the first plug socket 101 and multi-channel digital and analogue modular converter 200 and is inserted into the second plug socket 102, control module is exported digital test signal according to test procedure, and exporting described target detection plate to by described D/A converter module, analog interface module successively, described target detection plate also passes through analog interface module, D/A converter module successively to described control module feedback test information.
Can find out from said structure, control module of the present invention and D/A converter module all can be separately from the plug socket installation that disassembles or peg graft, convenient directly in PCB web joint access target detection plate or sequential logic module to be tested, then adjust arbitrarily the corresponding D/A converter module of access according to the FPDP of target to be tested, and select corresponding analog interface module, just can automatically export the test signal of simulation according to the test procedure of storage, therefore, can realize automatic detection, simplify the test link, improved production efficiency, avoided artificial careless omission.Same, since different sequential logic module or target detection plate test, the desired test procedure of possibility is different, so the present invention also can the dismounting and change control module, perhaps realize software upgrading by the test procedure in the erasable control module, then upgrade corresponding D/A converter module or analog interface module, can realize test, thereby do not need to become semi-manufacture to test again the sequential logic module assembled, reduced defect rate, reduced scrappage.
In a word, portable automatic test fixture structure provided by the present invention is little, and control module and D/A converter module all can replace installation, makes things convenient for the HardwareUpgring of test fixture.
For the ease of showing whether corresponding test data or characterization test carry out successfully, then can on also being provided with for display interface module 104, the first plug sockets 101 that connect display on the PCB web joint 100, the interface end as display output connect described display interface module 104.This display interface module can connect external display, perhaps adopt in connect with the control module one control output end mouth mode of light emitting diode of direct supply, after test is carried out successfully, make led lighting by the control module data controlling signal, whether carry out successfully with characterization test.
In order to realize and the communicating by letter of outside host computer or main control system, can also be provided for realizing that with the outside interface end as the communication data transmission is electrically connected communication module 105 on communication module 105, the first plug sockets 101 of communication at PCB web joint 100.
Above-mentioned power module can comprise: the external power source interface is used for connecting the external power source output terminal; And voltage regulating module, be used for the voltage with external power source output, buck or boost is to meeting the direct voltage output that is inserted into control module and D/A converter module requirement, and the input end of this voltage regulating module connects described external power source interface, output terminal is electrically connected respectively described the first plug socket and the second plug socket.The voltage regulating module here can be fixing output three terminal regulator, can select to arrange plurality of voltages output by voltage as required, thinks that subsequent conditioning circuit provides the multiple voltage type.
As shown in Figure 2, above-mentioned D/A converter module comprises: the input modular converter 301 that a plurality of separation arrange and output modular converter 302, the interface end of exporting as signal at the first plug socket 101 connects one tunnel described analog interface module by the second plug socket 102 that is plugged with described output modular converter 302, and the output modular converter is converted to for the output signal with described control module and meets the input signal that the target detection plate requires; The interface end of inputting as signal at the first plug socket 101 connects one road analog interface module by the second plug socket 102 that is plugged with input modular converter 301, and input modular converter 301 is used for described target detection plate feedack is converted to the input signal that meets described control module requirement.
As shown in Figure 3, the input modular converter 301 of above-mentioned separation setting comprises the series circuit that the first resistance R 1 and the second resistance R 2 are in series and consist of; One end of this series circuit is electrically connected an end of one road analog interface module, the other end ground connection of this series circuit, and the joint of the first resistance R 1 and 2 series connection of the second resistance R is electrically connected an interface end of inputting as signal on described the first plug socket.
As shown in Figure 3, the output modular converter 302 of above-mentioned separation setting comprises switching tube Q1 and current-limiting resistance unit, the grid of switching tube Q1 connects an interface end of exporting as signal on the first plug socket, the source electrode of switching tube Q1 connects an end of one road analog interface module by described current-limiting resistance unit, and the drain electrode of switching tube Q1 connects the output terminal of described power module.The current-limiting resistance unit here can comprise the series circuit (being in series such as R4, R5) of single resistance (such as R3) or two above resistance or the series parallel structure (such as the series parallel structure of R6 to R11) that a plurality of resistance forms.
Certainly, according to the different attribute of target detection plate corresponding ports, the input modular converter 301 of above-mentioned separation setting, output modular converter 302 can adopt different implementations.
Fig. 4 is the circuit diagram of portable automatic test fixture embodiment one of the present invention, the control module of the below take sequential logic module to be tested as on-vehicle lamp is elaborated as example, two groups of lamp holders that this sequential logic module can be controlled on-vehicle lamp are the light on and off of totally 10 direction motions and every group of lamp holder, on the on-vehicle lamp with motor and gearing, two groups of lamp holders are respectively: right The Cloud Terrace lamp holder, Zuoyun desk lamp socket; The motion of 10 directions is respectively: right The Cloud Terrace lamp holder turns left, right The Cloud Terrace lamp holder is turned right, turn on the right The Cloud Terrace lamp holder, right The Cloud Terrace lamp holder descends, the Zuoyun desk lamp socket turns left, the Zuoyun desk lamp socket is turned right, turn on the desk lamp socket of Zuoyun, turn under the desk lamp socket of Zuoyun, wholely turn left, the whole right-hand rotation.The below only transfers example on the right The Cloud Terrace lamp holder with sequential logic module controls on-vehicle lamp and is elaborated, and the circuit of other rotating manner is similar with it, does not do at this and gives unnecessary details.
In the circuit of present embodiment, control module comprises that model is the single-chip microcomputer U1 of ATMEG128-TQFP64, single-chip microcomputer U1 self-contained storing devices, therefore memory module can be built in the sequential logic module, crystal oscillator Y1 is connected between the 23rd pin (XTAL2) and the 24th pin (XTAL1) of single-chip microcomputer U1, capacitor C 2 is connected between the 23rd pin and ground of single-chip microcomputer U1, capacitor C 3 is connected between the 24th pin and ground of single-chip microcomputer U1, be single-chip microcomputer U1 power supply behind the voltage process step-down chip U2 of 12V, in addition, can carry out online programming to single-chip microcomputer U1, change its test procedure according to the difference of sequential logic module.
D/A converter module comprises input modular converter 301 and output modular converter 302, its input modular converter 301 comprises resistance R 50, resistance R 51, its output modular converter 302 comprises resistance R 30, resistance R 31 and metal-oxide-semiconductor Q31, resistance R 50 and resistance R 51 series connection, one termination analog interface module, its other end ground connection, the joint of its series connection connect the 43rd pin (PG2) of single-chip microcomputer U1.Resistance R 30 and resistance R 31 series connection, a termination analog interface module, the source electrode of another termination metal-oxide-semiconductor Q31, the grid of metal-oxide-semiconductor Q31 connect the 38th pin (PC3) of single-chip microcomputer U1, and its drain electrode connects analog interface module.Only provide a few road input and output change-over circuits among the figure, such as a few way analog conversion circuits of single-chip microcomputer U1 37 pin to 43 pin, the circuit structure among other several roads and Fig. 4 is identical, so just provide no longer in detail among the figure.
The equal connecting analog interface module of all resistance output lower margins of D/A converter module among Fig. 4.In the foregoing circuit, 2 pin of single-chip microcomputer U1 with are connected pin and can be connected with communication module, communication module can be the communication chip (not shown) that model is MAX488.
The principle of work that transfers example explanation test fixture of the present invention on the right The Cloud Terrace lamp holder of the below with the Single-chip Controlling on-vehicle lamp to, at first, after single-chip microcomputer U1 powers on and enters testing process, test procedure according to storage, if it is correct to control the sequential logic that turns on the right The Cloud Terrace lamp holder, the high level of the 43rd pin (PG2) the output 5V of single-chip microcomputer U1, if resistance R 51 is 51K Ω, resistance R 50 is 100K Ω, output is about the voltage of 15V after the high level D/A converter module of 5V, be the voltage of the about 15V of pin output of analog interface module, so the tester can judge that the sequential logic that turns on the right The Cloud Terrace lamp holder of control is correct according to the 15V voltage that the pin of analog interface module is exported; Otherwise if control the sequential logic mistake that turns on the right The Cloud Terrace lamp holder, the voltage of the pin of analog interface module output is not 15V just, and then the tester can judge the sequential logic mistake that turns on the right The Cloud Terrace lamp holder of control.
Reason similarly, whether the sequential logic that can turn right according to the right The Cloud Terrace lamp holder of the 40th～49 pin of single-chip microcomputer U1 test control on-vehicle lamp, right The Cloud Terrace lamp holder turns left, right The Cloud Terrace lamp holder descends, turn on the right The Cloud Terrace lamp holder, wholely turn right, wholely turn left, the Zuoyun desk lamp socket is turned right, the Zuoyun desk lamp socket turns left, turn under the right The Cloud Terrace lamp holder, turns on the desk lamp socket of Zuoyun is correct, and whether the sequential logic that also can detect according to the 50th, 51 pin of single-chip microcomputer U1 the rising overally of control on-vehicle lamp, whole landing place is correct; Whether detect the sequential logic that the cylinder of control on-vehicle lamp fills, exits according to the 31st pin of single-chip microcomputer U1 correct; Whether the sequential logic that detects the rising overally of control on-vehicle lamp, whole landing according to the 29th, 30 pin of single-chip microcomputer U1 is correct.Be one embodiment of the present of invention more than, in addition, can set up or reduce the control program of single-chip microcomputer according to actual conditions, also can test by this test fixture.
In addition, whether this test fixture also can detect single-chip microcomputer U1 correct to the logical sequence of external feedback signal, for example, input the feedback signal of motor by the pin of analog interface module, for example, low-voltage for 0.5V, if the logical sequence of control motor feedback signals is correct, then the 38th pin (PC3) of single-chip microcomputer U1 will be exported high level, the gate source voltage of metal-oxide-semiconductor Q31 is during greater than its cut-in voltage, metal-oxide-semiconductor Q31 conducting, its output LOW voltage that drains, the voltage that is the pin output of analog interface module is dragged down, and the tester can judge that single-chip microcomputer U1 is correct to the logical sequence of the feedback signal of motor by the low-voltage that the pin that detects analog interface module is exported; Otherwise, if the logical sequence mistake of control motor feedback signals, then the 38th pin (PC3) of single-chip microcomputer U1 just can not exported high level, not conducting of metal-oxide-semiconductor Q31, the pin output HIGH voltage of analog interface module, the tester just can judge that single-chip microcomputer U1 is wrong to the logical sequence of the feedback signal of motor.Be one embodiment of the present of invention also below, be not limited to the present invention, can according to actual conditions, set up or reduce the control program to feedback signal of single-chip microcomputer.
The below illustrates that with an example this test fixture is how continuous working, turns left 2 seconds if the test procedure of storage is the Zuoyun desk lamp socket, follows on the right The Cloud Terrace lamp holder to turn 3 seconds, then turns 5 seconds on the desk lamp socket of Zuoyun, the feedback signal of last scan module.If the sequential logic of single-chip microcomputer U1 is correct, then tester's respective pin high voltage that just can record the analog interface module that control Zuoyun desk lamp socket turns left continues 2 seconds; The respective pin high voltage of then controlling the analog interface module that turns on the desk lamp socket of Zuoyun continues 3 seconds; Then the respective pin high voltage of controlling the analog interface module that turns on the desk lamp socket of Zuoyun continues 5 seconds.The main method of above-mentioned test is that the performance test program applies to Target Board or the time-sequence control module that will detect on the actuating unit, by the motion that detects actuating unit or the correctness that the actuating unit feedack comes test target plate or time-sequence control module.
Be that example is illustrated to the sequential logic module for the control module that the control on-vehicle lamp rotates only below, being to be understood that the present invention also can expand to tests any control module that contains single-chip microcomputer, DSP, FPGA, just when the sequential logic module not simultaneously, only need change test procedure in the memory module and corresponding analog interface module just.
Implement the test fixture of sequential logic module of the present invention, two kinds of method of testings compared to existing technology have following beneficial effect: compare the first method of testing, do not need to become semi-manufacture to test again the sequential logic module assembled, reduced defect rate, reduced scrappage; Compare the second method of testing, can realize automatic detection, simplified the test link, improved production efficiency, avoided artificial careless omission.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (9)
1. portable automatic test fixture, it is characterized in that, described test fixture comprises a frock clamp, the PCB web joint that is fixedly installed at this frock clamp, and a plurality of D/A converter modules of separating setting with described PCB web joint, analog interface module and contain the control module of test procedure;
Piecemeal is provided with on described PCB web joint: be used for the first plug socket that grafting contains the control module of test procedure, and a plurality of the second plug socket be used to the described D/A converter module of pegging graft; Described the first plug socket is provided with a plurality of interface end, wherein, the a plurality of interface end that are used as signal output or signal input are electrically connected respectively an interface end of described second plug socket, and another interface end of this second plug socket is by a test port of one road analog interface module linking objective test board;
Also be provided with power module on described PCB web joint, the output terminal of described power module is electrically connected respectively on described the first plug socket as the interface end of power supply input and another interface end of described the second plug socket;
When described control module is inserted into the first plug socket and multi-channel digital and analogue modular converter and is inserted into the second plug socket, described control module is according to described test procedure output digital test signal, and exporting described target detection plate to by described D/A converter module, analog interface module successively, described target detection plate also passes through analog interface module, D/A converter module successively to described control module feedback test information;
Each described D/A converter module comprises: separate an input modular converter and an output modular converter of arranging, the interface end of exporting as signal at described the first plug socket connects one tunnel described analog interface module by the second plug socket that is plugged with described output modular converter, and described output modular converter is converted to for the output signal with described control module and meets the input signal that the target detection plate requires; The interface end of inputting as signal at described the first plug socket connects one tunnel described analog interface module by the second plug socket that is plugged with described input modular converter, and described input modular converter is used for described target detection plate feedack is converted to the input signal that meets described control module requirement.
2. portable automatic test fixture according to claim 1, it is characterized in that, also be provided with on described PCB web joint for the display interface module that connects display, the interface end as display output on described the first plug socket connects described display interface module.
3. portable automatic test fixture according to claim 1, it is characterized in that, also be provided with on described PCB web joint for realizing the communication module of communication with the outside, the interface end as the communication data transmission on described the first plug socket is electrically connected described communication module.
4. portable automatic test fixture according to claim 1 is characterized in that, described power module comprises:
The external power source interface is used for connecting the external power source output terminal; And
Voltage regulating module, be used for the voltage with external power source output, buck or boost is to meeting the direct voltage output that is inserted into control module and D/A converter module requirement, and the input end of this voltage regulating module connects described external power source interface, output terminal is electrically connected respectively described the first plug socket and the second plug socket.
5. portable automatic test fixture according to claim 1 is characterized in that, the input modular converter of described separation setting comprises the series circuit that the first resistance and the second resistance are in series and consist of; One end of this series circuit is electrically connected an end of one road analog interface module, the other end ground connection of this series circuit, and the joint of the first resistance and the series connection of the second resistance is electrically connected an interface end of inputting as signal on described the first plug socket.
6. portable automatic test fixture according to claim 1, it is characterized in that, the output modular converter of described separation setting comprises switching tube and current-limiting resistance unit, the grid of described switching tube connects an interface end of exporting as signal on described the first plug socket, the source electrode of described switching tube connects an end of one road analog interface module by described current-limiting resistance unit, and the drain electrode of described switching tube connects the output terminal of described power module.
7. portable automatic test fixture according to claim 6, it is characterized in that, in the described output modular converter, described current-limiting resistance unit comprises the series circuit of single resistance or two above resistance or the series parallel structure that a plurality of resistance forms.
8. portable automatic test fixture according to claim 1 is characterized in that, described control module comprises: memory module, and single-chip microcomputer, described memory module is connected by data line with described single-chip microcomputer.
9. portable automatic test fixture according to claim 8 is characterized in that, described memory module adopts can repeat erasable formula storage medium.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910188824 CN101776729B (en) | 2009-12-10 | 2009-12-10 | Portable automatic test fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910188824 CN101776729B (en) | 2009-12-10 | 2009-12-10 | Portable automatic test fixture |
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| CN101776729A CN101776729A (en) | 2010-07-14 |
| CN101776729B true CN101776729B (en) | 2013-03-27 |
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| CN 200910188824 Expired - Fee Related CN101776729B (en) | 2009-12-10 | 2009-12-10 | Portable automatic test fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341750A (en) * | 2018-11-29 | 2019-02-15 | 徐州博雷自动化技术有限公司 | A kind of test device of automated system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102394789A (en) * | 2011-09-19 | 2012-03-28 | 中国北车股份有限公司大连电力牵引研发中心 | Board card test device |
| CN104183272B (en) * | 2014-08-18 | 2018-01-19 | 广州泰瑞捷电子科技有限公司 | A kind of core board self-test of stamp hole encapsulation and burning device, method |
| CN108152716A (en) * | 2018-01-23 | 2018-06-12 | 开封青天伟业流量仪表有限公司 | A kind of electromagnetic flowmeter circuit board automatic test platform and test method |
| CN110275103B (en) * | 2019-06-24 | 2022-03-15 | 浙江华仪电子股份有限公司 | Target board power consumption and level time sequence detection system |
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2009
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341750A (en) * | 2018-11-29 | 2019-02-15 | 徐州博雷自动化技术有限公司 | A kind of test device of automated system |
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| CN101776729A (en) | 2010-07-14 |
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