CN106226679A - For detecting frock and the method for testing thereof of embedded pos payment terminal mainboard - Google Patents

For detecting frock and the method for testing thereof of embedded pos payment terminal mainboard Download PDF

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Publication number
CN106226679A
CN106226679A CN201610597489.4A CN201610597489A CN106226679A CN 106226679 A CN106226679 A CN 106226679A CN 201610597489 A CN201610597489 A CN 201610597489A CN 106226679 A CN106226679 A CN 106226679A
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CN
China
Prior art keywords
frock
mainboard
board
tested
module
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.)
Pending
Application number
CN201610597489.4A
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Chinese (zh)
Inventor
于孙晶
袁金颖
吕剑锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Langfang Information Technology Co Ltd
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Fujian Langfang Information Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujian Langfang Information Technology Co Ltd filed Critical Fujian Langfang Information Technology Co Ltd
Priority to CN201610597489.4A priority Critical patent/CN106226679A/en
Publication of CN106226679A publication Critical patent/CN106226679A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/281Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
    • G01R31/2812Checking for open circuits or shorts, e.g. solder bridges; Testing conductivity, resistivity or impedance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections

Abstract

It is an object of the invention to provide a kind of frock for detecting embedded pos payment terminal mainboard and method of testing thereof.It includes a frock testing jig embryo, and it is installed on the frock ejector retainner plate of frock testing jig embryo, frock liquid crystal display module, frock mainboard, the pressing plate of linkage depression bar, wherein said frock mainboard is for being provided with CPU, Norflash, the frock mainboard of SDRAM, and board AD identification module, supply voltage detection module, power module, LCD MODULE, serial communication, GPIO interface.Method of testing includes step 1: by etc. board to be detected put into frock and detect, wherein the version of board is judged by frock, step 2: the performance of board is sequentially detected by frock;Step 3: it is an advantage of the current invention that: improve the efficiency of mainboard detection, and then improve work efficiency.

Description

For detecting frock and the method for testing thereof of embedded pos payment terminal mainboard
Technical field
The present invention relates to a kind of frock for detecting embedded pos payment terminal mainboard and method of testing thereof.
Background technology
The kind of mainboard is a lot of at present, such as host computer mainboard, air-conditioning mainboard, intelligent washing machine mainboard etc., various masters Plate is different due to its service object, and its structure, operation principle etc. there is also difference, Gu the method for testing of mainboard phase the most not to the utmost With, at present about the detection of embedded pos payment terminal mainboard, use electric test more.
The most basic instrument that electric test uses is In-circiut tester, and traditional In-circiut tester uses special when measuring Needle-bar contacts with the components and parts on the most welded good wiring board, and carries out with the electric current within hundreds of millivolts of voltages and 10 milliamperes Discrete isolation test, thus measure accurately the neglected loadings of device such as filled resistance, inductance, electric capacity, audion, integrated package, misloading, The faults such as solder joint even weldering, wiring board open circuit, short circuit, and fault is those components and parts or open circuit is which point tells use accurately Family, Bed of nails advantage is that test speed is fast, is suitable for the survey that single variety civil version household electrical appliances wiring board great scale produces Examination, and main frame low price, but it is as the raising of wiring board packing density, particularly thin space SMT assembles and newly produces The product Development and Production cycle is shorter and shorter, and circuit kind gets more and more, and what needle bed-type In-circiut tester existed that some are difficult to overcome asks Topic, the making of test probe bed fixture, debugging cycle length, price;For some high density SMT wiring boards due to measuring accuracy Problem cannot be carried out test.
It is reported one piece of frock mainboard of cannot accomplishing of current frock, the corresponding application testing multiple tested mainboards, often It is the corresponding a set of testing host of a set of frock mainboard, and it is short often cannot to judge whether tested mainboard exists during frock test , so can there is the situation burning plate test when, it addition, the test of existing frock is by testing functionally in the phenomenon on road The problems such as whether that demonstrate,proves board has rosin joint, or the problem of short circuit, so there will be the testing time long, inefficient.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, easy to use being used for detects embedded pos payment terminal The frock of mainboard and method of testing thereof.
The purpose of the present invention is achieved through the following technical solutions: it includes a frock testing jig embryo 1, different size and energy The frock ejector retainner plate 2 of enough replacements, frock liquid crystal display module 3, frock mainboard 4, the pressing plate 6 of linkage depression bar 5, frock ejector retainner plate is pacified Being loaded on frock testing jig embryo, frock liquid crystal display module is installed on frock testing jig embryo, and frock liquid crystal display module Being connected with the frock mainboard being positioned at frock testing jig embryo, frock mainboard is also connected with frock ejector retainner plate, the pressing plate of linkage depression bar It is positioned at the top of frock ejector retainner plate, and depression bar is connected on frock testing jig embryo so that when tested mainboard is placed on pressing plate, depression bar Under press, tested mainboard is pressed tested mainboard by pressing plate, and the thimble above the TP point above tested mainboard and frock ejector retainner plate is complete It coincide and withstand, it is achieved frock ejector retainner plate and the connection of frock mainboard;
Described frock mainboard is for being integrated with CPU, and the frock mainboard of Norflash, SDRAM, wherein CPU is at data Reason;Norflash is for storing model and the testing requirement of tested mainboard, and performs corresponding GPIO action;SDRAM is used for Temporary storage of data;
It is additionally provided with in frock mainboard with lower module:
Board AD identification module, for testing the model of tested mainboard;
Supply voltage detection module: be inside embedded small voltage AD detection short block and connect power supply and power, defeated for voltage Going out, detection board is the most short-circuit, board voltage is the most normal, the electric situation of board;
Power module: for external power supply, provide power supply for frock mainboard;
LCD MODULE: be connected with frock liquid crystal display module;
Serial communication: be connected with the serial communication of tested mainboard;
GPIO interface: be connected with the GPIO interface of tested mainboard;Perform corresponding GPIO action.
Multi-functional frock method of testing, its step is as follows:
Step 1: by etc. board to be detected put into frock and detect, wherein the version of board is judged by frock,
Step 2: the performance of board is sequentially detected by frock;
Step 3: when Board Under Test card is detected and the most qualified by the whole of step 2, then detection terminates;
Wherein step 2 is divided into again following steps
Step 21: the most short-circuit by small voltage short-circuit detecting board, if short-circuit, then stop detection, and prints tested Board faults point;
Step 22: by the detection of step 21, then whether detection mainboard voltage is in normal range, if board voltage goes out Mistake, then stop detection, and print Board Under Test card failure point;
Step 23: by the detection of step 22, then detect tested board electrical connection situation, if malunion is normal, then Stop detection, and print Board Under Test card failure point;
Step 24: by the detection of step 23, then detect the functional module of tested board, if functional module is abnormal, then Stop detection, and print Board Under Test card failure point.
For prior art, it is an advantage of the current invention that: 1, this frock is accomplished that completely automatic method of testing, After Board Under Test buckle goes down, frock identifies the model of tested board automatically, automatically turns on the test program of correspondence, problematic permissible Print problem place by printer, it is not necessary to manually fill in, be placed directly against on corresponding board, convenient maintenance.2 achieve a set of The application of the tested mainboard of mainboard correspondence polylith, it is mainly identified by AD and judges, on hardware and software, can significantly carry The research and development progress of high frock.3 frocks have the mode adding small voltage AD sampling on the basis of existing frock, first judge Tested mainboard is the most short-circuit, then carries out next step operation, this avoid the phenomenon that board damages, and the maintenance to board also rises Effect to auxiliary.This frock is directly by testing the break-make of board pin, judges whether the pins such as BGA exist rosin joint, Solder skip, so can quick decision problem place.
Accompanying drawing explanation
Fig. 1 is tool structure schematic diagram;
Fig. 2 is the schematic diagram of frock mainboard inner module;
Fig. 3 is overhaul flow chart;
Label declaration
1 frock testing jig embryo, 2 frock ejector retainner plates, 3 frock liquid crystal display modules, 4 frock mainboards, 5 linkage depression bars, 6 pressures Plate.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, present invention is described in detail:
Fig. 1, shown in 2: it includes a frock testing jig embryo 1, different size and the frock ejector retainner plate 2 that can replace, frock Liquid crystal display module 3, frock mainboard 4, the pressing plate 6 of linkage depression bar 5, frock ejector retainner plate is installed on frock testing jig embryo, frock Liquid crystal display module is installed on frock testing jig embryo, and frock liquid crystal display module and the work being positioned at frock testing jig embryo Dress mainboard connects, and frock mainboard is also connected with frock ejector retainner plate, and the pressing plate of linkage depression bar is positioned at the top of frock ejector retainner plate, and pressure Bar is connected on frock testing jig embryo so that when tested mainboard is placed on pressing plate, press under depression bar, pressing plate tested mainboard is pressed by Survey the thimble above mainboard, the TP point above tested mainboard and frock ejector retainner plate to fit like a glove and withstand, it is achieved frock ejector retainner plate and The connection of frock mainboard;
Described frock mainboard is for being integrated with CPU, and the frock mainboard of Norflash, SDRAM, wherein CPU is at data Reason;Norflash is for storing model and the testing requirement of tested mainboard, and performs corresponding GPIO action;SDRAM is used for Temporary storage of data;
It is additionally provided with in frock mainboard with lower module:
Board AD identification module, for testing the model of tested mainboard;
Supply voltage detection module: be inside embedded small voltage AD detection short block and connect power supply and power, defeated for voltage Going out, detection board is the most short-circuit, board voltage is the most normal, the electric situation of board;
Power module: for external power supply, provide power supply for frock mainboard;
LCD MODULE: be connected with frock liquid crystal display module;
Serial communication: be connected with the serial communication of tested mainboard;
GPIO interface: be connected with the GPIO interface of tested mainboard;Perform corresponding GPIO action.
CPU system arithmetical unit, it is connected with board AD identification module, LCD MODULE, serial communication, GPIO interface, is used for Data operation;Norflash system read only memory, for storing model and the testing requirement of tested mainboard, identifies with board AD Module connects, and SDRAM system synchronous DRAM is connected with Norflash.
It also includes PC and printer, is provided with printer module, described PC and printer even on frock mainboard It is connected to the printer module of frock mainboard, when the detection of tested board is abnormal, prints Board Under Test card failure point.
It is additionally provided with buzzer module on frock mainboard, is used for reporting to the police.
During use: awaiting board card put into, corresponding board signal being detected, frock begins to automatically work, and finds again Short circuit, power issue, directly exit test, and print fault point, it is ensured that on the premise of the two is no problem, starts test board Other problems on card, if problematic, buzzer module buzzing is reported to the police, and prints the place, trouble point of problem, if no problem, Then normal flow test is gone down, until having tested, changes the test of next block awaiting board card.
As shown in Figure 3: it comprises the following steps:
Step 1: by etc. board to be detected put into frock and detect, wherein the version of board is judged by frock, As long as the lower test point of the needle-bar amendment of frock, after can test point being concluded, makes the frock thimble of different size here Plate;This saves the Production Time of frock.
Step 2: the performance of board is sequentially detected by frock;
Step 3: when Board Under Test card is detected and the most qualified by the whole of step 2, then detection terminates;
Wherein step 2 is divided into again following steps
Step 21: the most short-circuit by small voltage short-circuit detecting board, if short-circuit, then stop detection, and prints tested Board faults point;This frock also add short-circuit test function, i.e. before tested mainboard does not also power on, is supplied by small voltage Electricity, using high-precision AD to gather, it is judged that whether power end exists shorted to earth, if there being short circuit, at once cutting off the electricity supply, it is to avoid Board burns plate situation.Concrete principle be the CPU on frock master control borad to relay operation, connected by relay, to tested The power supply output pin of mainboard pours into small voltage, detects whether its voltage is zero with AD simultaneously, if detecting close to zero, then and this electricity Source pin shorted to earth, if there being corresponding small voltage, then illustrating that this supply pin does not has short circuit, can disconnect relay, tested master Plate is initially powered up test.
Step 22: by the detection of step 21, then whether detection mainboard voltage is in normal range, if board voltage goes out Mistake, then stop detection, and print Board Under Test card failure point;
Step 23: by the detection of step 22, then detect tested board electrical connection situation, if malunion is normal, then Stop detection, and print Board Under Test card failure point;
Step 24: by the detection of step 23, then detect the functional module of tested board, if functional module is abnormal, then Stop detection, and print Board Under Test card failure point.
Wherein in step 23, dock test by the pin break-make of tested mainboard, detect tested board electrical connection feelings Condition.This frock is also improved from the method for test, it is not necessary to judged, directly to master by the function testing its pin corresponding The pin break-make docking test of plate, is so greatly saved the testing time, has i.e. saved the cost on producing, also improved production Efficiency.

Claims (5)

1. the frock being used for detecting embedded pos payment terminal mainboard, it is characterised in that: it includes a frock testing jig embryo (1), different size and the frock ejector retainner plate (2) that can replace, frock liquid crystal display module (3), frock mainboard (4), linkage pressure The pressing plate (6) of bar (5), frock ejector retainner plate is installed on frock testing jig embryo, and frock liquid crystal display module is installed in frock and surveys On examination frame embryo, and frock liquid crystal display module is connected with the frock mainboard being positioned at frock testing jig embryo, frock mainboard also with work Dress ejector retainner plate connects, and the pressing plate of linkage depression bar is positioned at the top of frock ejector retainner plate, and depression bar is connected on frock testing jig embryo, makes Tested mainboard when being placed on pressing plate, press under depression bar, tested mainboard is pressed tested mainboard by pressing plate, the TP point above tested mainboard Fit like a glove with the thimble above frock ejector retainner plate and withstand, it is achieved frock ejector retainner plate and the connection of frock mainboard;
Described frock mainboard is for being integrated with CPU, and the frock mainboard of Norflash, SDRAM, wherein CPU processes for data; Norflash is for storing model and the testing requirement of tested mainboard, and performs corresponding GPIO action;SDRAM is for interim Deposit data;
It is additionally provided with in frock mainboard with lower module:
Board AD identification module, for testing the model of tested mainboard;
Supply voltage detection module: be inside embedded small voltage AD detection short block and connect power supply and power, exporting for voltage, inspection Drafting board card is the most short-circuit, board voltage is the most normal, the electric situation of board;
Power module: for external power supply, provide power supply for frock mainboard;
LCD MODULE: be connected with frock liquid crystal display module;
Serial communication: be connected with the serial communication of tested mainboard;
GPIO interface: be connected with the GPIO interface of tested mainboard;Perform corresponding GPIO action.
2. according to the frock for detecting embedded pos payment terminal mainboard described in claim 1, it is characterised in that:
It is characterized in that: it also includes PC and printer, frock mainboard is provided with printer module, described PC and beating Print machine is connected to the printer module of frock mainboard, when the detection of tested board is abnormal, prints Board Under Test card failure point.
3. according to the frock for detecting embedded pos payment terminal mainboard described in claim 1, it is characterised in that: work It is additionally provided with buzzer module on dress mainboard, is used for reporting to the police.
4. the method for testing being used for detecting the frock of embedded pos payment terminal mainboard, it is characterised in that: it includes following Step:
Step 1: by etc. board to be detected put into frock and detect, wherein the version of board is judged by frock,
Step 2: the performance of board is sequentially detected by frock;
Step 3: when Board Under Test card is detected and the most qualified by the whole of step 2, then detection terminates;
Wherein step 2 is divided into again following steps
Step 21: the most short-circuit by small voltage short-circuit detecting board, if short-circuit, then stop detection, and prints tested board Trouble point;
Step 22: by the detection of step 21, then whether detection mainboard voltage is in normal range, if board voltage is made mistakes, then Stop detection, and print Board Under Test card failure point;
Step 23: by the detection of step 22, then detect tested board electrical connection situation, if malunion is normal, then stop Detection, and print Board Under Test card failure point;
Step 24: by the detection of step 23, then detect the functional module of tested board, if functional module is abnormal, then stops Detection, and print Board Under Test card failure point.
The method of testing of the frock for detecting embedded pos payment terminal mainboard the most according to claim 4, its feature It is: wherein in step 23, docks test by the pin break-make of tested mainboard, detect tested board electrical connection situation.
CN201610597489.4A 2016-07-27 2016-07-27 For detecting frock and the method for testing thereof of embedded pos payment terminal mainboard Pending CN106226679A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597257A (en) * 2016-12-21 2017-04-26 安徽中兴继远信息技术股份有限公司 Testing device for core board and testing method thereof
CN108318805A (en) * 2018-02-09 2018-07-24 宁波鄞州国康机械科技有限公司 A kind of electronics integrated equipment
CN110703069A (en) * 2019-08-29 2020-01-17 天津市英贝特航天科技有限公司 COMe test bottom plate and test method

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CN101706550A (en) * 2009-11-19 2010-05-12 福建联迪商用设备有限公司 Method for testing mainboard
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CN102944829A (en) * 2012-10-30 2013-02-27 江苏斯菲尔电气股份有限公司 A multifunctional circuit board test machine and using method of test machine
CN204256119U (en) * 2014-11-25 2015-04-08 北京华环电子设备有限公司 Printed-wiring board (PWB) multifunctional testing frock
CN204855733U (en) * 2015-07-01 2015-12-09 福建实达电脑设备有限公司 Needle bed testing arrangement
CN104502832B (en) * 2014-12-31 2017-09-15 福建实达电脑设备有限公司 Based on handheld POS machine mainboard auto testing instrument and method of testing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101706550A (en) * 2009-11-19 2010-05-12 福建联迪商用设备有限公司 Method for testing mainboard
CN201662607U (en) * 2010-01-25 2010-12-01 航天信息股份有限公司 Mainboard testing device of fiscal cash register
CN102944829A (en) * 2012-10-30 2013-02-27 江苏斯菲尔电气股份有限公司 A multifunctional circuit board test machine and using method of test machine
CN204256119U (en) * 2014-11-25 2015-04-08 北京华环电子设备有限公司 Printed-wiring board (PWB) multifunctional testing frock
CN104502832B (en) * 2014-12-31 2017-09-15 福建实达电脑设备有限公司 Based on handheld POS machine mainboard auto testing instrument and method of testing
CN204855733U (en) * 2015-07-01 2015-12-09 福建实达电脑设备有限公司 Needle bed testing arrangement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597257A (en) * 2016-12-21 2017-04-26 安徽中兴继远信息技术股份有限公司 Testing device for core board and testing method thereof
CN108318805A (en) * 2018-02-09 2018-07-24 宁波鄞州国康机械科技有限公司 A kind of electronics integrated equipment
CN108318805B (en) * 2018-02-09 2019-07-02 嵊州潘辰机械科技有限公司 A kind of electronics integrated equipment
CN110703069A (en) * 2019-08-29 2020-01-17 天津市英贝特航天科技有限公司 COMe test bottom plate and test method

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Application publication date: 20161214