CN1512341A - Computer controled easy extension intelligent main board environment test system - Google Patents
Computer controled easy extension intelligent main board environment test system Download PDFInfo
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- CN1512341A CN1512341A CNA021590540A CN02159054A CN1512341A CN 1512341 A CN1512341 A CN 1512341A CN A021590540 A CNA021590540 A CN A021590540A CN 02159054 A CN02159054 A CN 02159054A CN 1512341 A CN1512341 A CN 1512341A
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Abstract
The computer controlled test system for easy-to-extend intelligent mainboard environment includes programmable power supply, time sequence controller, programmable temperature and humidity test box and computer connected via IEEE488(GPIB) bus. The computer controls the state of the programmable temperature and humidity test box and the output voltage of the programmable power supply, and controls the time sequence controller to generate on-off time sequence according with different power supply standards. By means of the connection via physical interfaces according with corresponding power supply standard to the tested intelligent mainboard set inside the programmable temperature and humidity test box, the computer receives the feedback information from the tested intelligent mainboard in data transmission mode, records and creates test report and journal automatically.
Description
Technical field
The present invention relates to a kind of intelligent envivonment test of mainboard system of electronic technology field, particularly relate to a kind of intelligent envivonment test of mainboard system of computer-controlled easy expansion.
Background technology
The patent of the intelligent envivonment test of mainboard system of association has been done very big improvement to the system in past in test automation, realized the omnidistance no worker monitor of envivonment test of mainboard, automatically realize that voltage draws partially and temperature draws the inclined to one side while to monitor whether operate as normal of the supply voltage of tested main board system and damp-warm syndrome chamber automatically, and can set test curve arbitrarily according to user's needs; After test is finished, can generate test report automatically.But this system still has the following disadvantages:
1. but owing to adopted homemade computer-controlled voltage controller power source reliability low, on the various holding circuits of power supply, consider not comprehensively, in test, be prone to the situation of burning high-power programmable power supply and tested computer motherboard.
2. high-power programmable power supply and phylogenetic relationship are tight, need could work by the AD/DA control card on the control computer, so its VD are demarcated difficulty.
3. when high-power programmable power supply can not satisfy tested mainboard actual needs at the power of a certain road output voltage, can easily not expand, the high-power programmable power supply that needs exploitation to make new advances causes the waste of equipment.
4. homemade high-power programmable power supply only can right within the specific limits+3.3V ,+5V, and the output of+12V is adjusted, and can not realize the input of other intelligent mainboard requirements as-12V, the Control of Voltage of+5VStandby.
5. poor to the support of different electrical power standard, because the startup sequential of tested mainboard is the monolithic processor controlled of high-power programmable power supply inside, if test the startup sequential that different mainboards need change each road output voltage, then need to change the program of the inner single-chip microcomputer of high-power programmable power supply, complicated operation.
6., lack monitoring to the actual working state of tested mainboard though system has detected tested mainboard operating voltage in real time.
Because the defective that above-mentioned existing intelligent envivonment test of mainboard system exists, the design people is actively studied innovation, through constantly studying, designing based on abundant practical experience and professional knowledge, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective that existing intelligent envivonment test of mainboard system exists, and provide a kind of computer-controlled intelligent envivonment test of mainboard system, make it utilize the programmed control of computing machine, respectively, adjust each road output voltage in a big way, simulate the power supply of various standards, adjust the operating voltage of intelligent mainboard and environment temperature, humidity, and can receive the feedback information that tested computer system is beamed back, record also generates test report and daily record automatically.
Another technical matters to be solved by this invention is, a kind of intelligent envivonment test of mainboard system of computer-controlled easy expansion is provided, make it can set time, testing standard and the test point of test, thereby enlarge the scope of application, improve the validity of test at different products.
The present invention solves its technical problem underlying and realizes by the following technical solutions.The intelligent envivonment test of mainboard system of the computer-controlled easy expansion that proposes according to the present invention, be with the core of control computer as total system, control computer connects respectively by IEEE488 (GPIB) bus and controls warm and humid chamber able to programme, several programmable power supplies and several time schedule controllers.Each programmable power supply has a kind of voltage of output, and the function that under computer control voltage can be changed within the specific limits.If a tested intelligent mainboard needs several voltages, provide jointly with the programmable power supply of exporting relevant voltage separately of respective number, the voltage of these programmable power supplies outputs with time schedule controller of lead access as input.The instruction that time schedule controller is sent according to control computer can produce the startup closing timing that meets the different electrical power standard, and the physical interface by meeting corresponding power standard is connected with the tested intelligent mainboard in being placed on warm and humid chamber able to programme.The control command that control computer is sent is accepted in warm and humid chamber able to programme, adjusts the actual working environment temperature and humidity of tested intelligent mainboard, simultaneously the detected temperature of chamber inner sensor, humidity value is fed back to control computer.The work state information of tested intelligent mainboard transfers to control computer by data transmission link.A kind of tested intelligent mainboard needs a time schedule controller; Under the condition that power allows, several identical tested intelligent mainboards can a shared time schedule controller.If the power that a certain road voltage of tested intelligent mainboard needs surpasses the output power of a programmable power supply, can adopt several programmable power supply parallel forms to this road power supply.A warm and humid chamber able to programme generally can be placed some tested intelligent mainboards.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known: the present invention utilizes being connected of programmable power supply, time schedule controller, warm and humid chamber able to programme and computing machine, adjust the voltage of every road work respectively by computing machine, adjust environment temperature and humidity, simulate the electric power starting and the closing timing of various standards, allow supply voltage to carry out parallel connection at different situations, satisfy of the requirement of tested intelligent mainboard, enlarged the scope of application the power supply input.System has adopted general programmable power supply as module, each programmable power supply is except can the programmed control adjustment the output, also can manual adjustments control export, be convenient to proving operation, and tested intelligent mainboard to obtain each road voltage all be that programmable power supply by a programmable power supply or one group of parallel connection provides, it is fully independently that each module of voltage just is provided in the system, and each separate modular can be demarcated separately, so also makes the demarcation of system more convenient.General programmable power supply has the inhibition of special circuit realization overvoltage, overcurrent protection, output ripple etc. simultaneously; the reliability of whole test system itself also improves greatly like this; occur to cut off output apace under the unusual situation, significantly reduced even can avoid occurring burning out the situation of test macro and tested intelligent mainboard.System can adopt a plurality of time schedule controllers to test the polylith mainboard simultaneously, if the power that a certain road voltage of tested intelligent mainboard needs surpasses the output power of a programmable power supply, can adopt several programmable power supply parallel forms to this road power supply, realize expansion easily.System has used a plurality of power modules, the more changeable voltage than the system in past can be provided, adopt programme controlled time schedule controller independently to control and started sequential, solve in the past system and can easily not revise the problem that intelligent mainboard starts closing timing, make system need not revise hardware or only change interface shape, just can realize the environmental testing of different product, avoided repeatedly investment repeatedly, provide cost savings, improved efficient.And adopt data transmission link to receive the feedback information of tested intelligent mainboard duty, main several roads supply voltage that only can detect tested mainboard than system has in the past had bigger improvement, and test macro can and generate test report and daily record automatically to the record of feedback information of intelligent mainboard duty.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is the enforcement connection layout that the present invention is used for test I ntel Pentium 4 cpu motherboard.
Number in the figure:
1. control computer 2,3,4,5,6. programmable power supply 7,8. time schedule controller
9. warm and humid chamber able to programme, 10,11. tested intelligent mainboard 12.IEEE488 buses
13.A reference power supply physics connects 14.B reference power supply physical interface 15. data transmission links
16. keyboard and mouse display switch 17. keyboard and mouse display conversion cables
18.ATX reference power supply physical interface 100. computer host boxes, the 101.GPIB card
102. multi-serial ports communication card 103. displays 104. mouses
105. keyboard 106. hard disks 107. floppy drives
701. programmable multiple controller 702. plurality of voltages adjusters
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of computer-controlled intelligent envivonment test of mainboard system, structure and the feature that foundation the present invention proposes, describe in detail as after.
See also the computer-controlled intelligent envivonment test of mainboard systematic schematic diagram of the present invention shown in Figure 1, control computer (1) connects respectively by IEEE488 (GPIB) bus (12) as the core of total system and controls programmable power supply (2), (3), (4), (5), (6), time schedule controller (7), (8) and warm and humid chamber able to programme (9).
It is each different voltages (U1), (U2), (U3), (U4) of tested mainboard needs that programmable power supply (2), (3), (4), (5), (6) are used to provide electric energy, and changes these voltages within the specific limits under computing machine (1) control.Wherein programmable power supply (5), (6) adopt the voltage source parallel connection, export same voltage (U4) but bigger output power can be provided.
Voltage (U1), (U2), (U3) input to time schedule controller (7), voltage (U1), (U2), (U3), (U4) input to time schedule controller (8), the instruction that time schedule controller is sent by IEEE488 bus (12) according to control computer (1), can produce the startup closing timing that meets A, B reference power supply respectively, time schedule controller (7) is output as A reference power supply physical interface (13), and time schedule controller (8) is output as B reference power supply physical interface (14).
The control command that control computer (1) is sent is accepted in warm and humid chamber able to programme (9), adjust tested intelligent mainboard (10), the actual working environment temperature of (11), humidity, simultaneously the detected temperature of chamber inner sensor, humidity value are fed back to control computer (1) by IEEE488 bus (12).
Tested intelligent mainboard (10) is by the output of A reference power supply physical interface (13) connection time schedule controller (7), and tested intelligent mainboard (11) connects the output of time schedule controller (8) by B reference power supply physical interface (14).When tested intelligent mainboard in various operating voltage and temperature, under the humidity environment during operation test, its working state signal is connected with control computer (1) by data transmission link (15), control computer (1) can automatically record the duty of different working environments and tested intelligent mainboard, is convenient to the post analysis test findings.
See also shown in Figure 2ly, the computer-controlled intelligent envivonment test of mainboard of the present invention system is used for the enforcement connection layout of test I ntel Pentium 4 cpu motherboard.The core of system is computer host box (100), and GPIB (IEEE488) card (101) is installed on the pci expansion slot of computer host box (100).GPIB card (101) is by IEEE488 bus (12) and programmable power supply (2), (3), (4), (5), (6), the programmable multiple controller DAC (701) in the time schedule controller (7), and warm and humid chamber able to programme (9) is connected in parallel.
Computing machine can be set by IEEE488 bus (12): programmable power supply (2) is output as+3.3V; Programmable power supply (3) is output as+5V; Programmable power supply (4) is output as-5V; Programmable power supply (5) is output as+12V; Programmable power supply (6) is output as-12V; Computing machine also can be together by IEEE488 bus (12) or is regulated the output voltage of these programmable power supplies separately.
The output terminal of programmable power supply (2) provides+3.3V voltage to programmable multiple controller DAC (701) by cable; The output terminal of programmable power supply (3) provides+5V voltage to programmable multiple controller DAC (701) by cable; The output terminal of programmable power supply (4) provides-5V voltage to programmable multiple controller DAC (701) by cable; The output terminal of programmable power supply (5) provides+12V voltage to programmable multiple controller DAC (701) by cable; The output terminal of programmable power supply (6) provides-12V voltage to programmable multiple controller DAC (701) by cable;
Computing machine imitates computer starting respectively and cuts out time ± 12V, ± 5V ,+3.3V, the sequential and the waveform of Power Good signal by the simulation output of the programmable multiple controller DAC (701) in IEEE488 bus (12) the control timing controller (7).This several roads output is connected to plurality of voltages adjuster MVA (702) by cable.The output interface of plurality of voltages adjuster MVA (702) in the time schedule controller (7) has ± 12V ,+5V, 3.3V, Power Good and+5V Standby, according to the interface specification of ATX-12V, select respective cable, be connected with tested INTEL Pentium 4 cpu motherboard; Also can be according to the interface specification of ATX, selection ± 12V, ± 5V, 3.3V, Power Good and+5V Standby constitutes ATX reference power supply physical interface (18) with respective cable, can be used for INTEL Pentium 3 cpu motherboards.
The unlatching of computing machine by IEEE488 bus (12) control warm and humid chamber able to programme (9), close, temperature and humidity, and receive the duty that warm and humid chamber able to programme (9) feeds back.Can control the environment temperature and the humidity of tested mainboard (10) work in this way, simulate different environments for use.
The tested mainboard (10) that CPU, heat radiator and internal memory have been installed is placed among the warm and humid chamber able to programme (9), the floppy drive (107) outer with being placed on warm and humid chamber able to programme (9) by the floppy drive line links to each other, and the hard disk (106) outer with being placed on warm and humid chamber able to programme (9) by the hard disc data connecting line links to each other.Hard disk can be installed the operating system that is used to move test procedure in (106), and floppy drive (107) both can be used to move simple test procedure, also can be used to export the journal file that test procedure produces.
Multi-serial ports communication card (102) is installed on the PCI expansion slot of computer host box (100), and the serial communication interface that passes through RS232 line (15) and tested mainboard (10) is connected, tested mainboard (10) is gone up the test procedure of operation can constantly send to multi-serial ports communication card (102) with the status information of tested mainboard (10) by serial communication interface, and test macro is recorded in them in the test log.
Input is connected with keyboard and mouse display switch (16) by keyboard and mouse display conversion cable (17) with keyboard and mouse in the demonstration output of computing machine (1).Input is connected with keyboard and mouse display switch (16) by keyboard and mouse display conversion cable (17) with keyboard and mouse in the demonstration output of tested mainboard (10).Graphoscope (103), mouse (104), keyboard (105) also are connected with keyboard and mouse display switch (16), switch by the button on the keyboard and mouse display switch (16), operating personnel can finish to the operation of computing machine (1) with to the monitoring of tested mainboard (10) state.
Only enumerated among the figure test of a computer motherboard has been connected, test when in fact total system can be finished a plurality of tested mainboard.When the underpower of programmable power supply (2), (3), (4), (5), (6), can and connect into the power supply of same model; Computing machine (1) can independently be controlled eight time schedule controllers (7); Multi-serial ports communication card (102) can be accepted the signal input of eight tunnel serial RS232, can accept the feedback of eight systems under test (SUT); Keyboard and mouse display switch (16) also can connect a plurality of tested mainboards, handled easily personnel's control.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1, a kind of intelligent envivonment test of mainboard system of computer-controlled easy expansion, be used for the duty of intelligent mainboard under the varying environment condition tested, it is characterized in that: system is made of programmable power supply, time schedule controller, warm and humid chamber able to programme and computing machine, and computing machine connects respectively by IEEE488 (GPIB) bus and controls warm and humid chamber able to programme, programmable power supply and time schedule controller; The voltage input timing controller of programmable power supply output; The physical interface of time schedule controller by meeting corresponding power standard is connected with tested intelligent mainboard in being placed on warm and humid chamber able to programme; There is data transmission link to be connected between the tested intelligent mainboard in computing machine and the warm and humid chamber able to programme.
2, computer-controlled intelligent envivonment test of mainboard according to claim 1 system is characterized in that wherein said computing machine is equipped with IEEE488 (GPIB) card, and the quantity of card can be above one when test macro needs.
3, computer-controlled intelligent envivonment test of mainboard according to claim 1 system is characterized in that wherein said programmable power supply can adopt according to the needs of tested intelligent mainboard separately or parallel way is used in combination; The quantity of programmable power supply and tested intelligent mainboard required voltage kind are suitable; The instruction that the magnitude of voltage that each programmable power supply is exported is sent according to computing machine produces and changes according to the instruction that computing machine is sent.
4, computer-controlled intelligent envivonment test of mainboard according to claim 1 system is characterized in that wherein said time schedule controller is connected to form by cable by programmable multiple controller (DAC) and plurality of voltages adjuster (MVA); DAC connects the IEEE488 bus; The input end of MVA connects the voltage output of programmable power supply, and the output terminal of MVA constitutes corresponding physical interface form according to the requirement of required power standard.
5, computer-controlled intelligent envivonment test of mainboard according to claim 1 system, it is characterized in that wherein said warm and humid chamber able to programme unlatching, close and case in temperature and humidity be to produce and adjust according to the instruction that computing machine is sent according to the instruction that computing machine is sent; The duty of warm and humid chamber able to programme feeds back to computing machine by the IEEE488 bus.
6, computer-controlled intelligent envivonment test of mainboard according to claim 1 system, it is characterized in that wherein said data transmission link is one of employed mode of computing machine communication, it can be the serial communication circuit, also can be ethernet line or other communications protocol circuits, the hardware device and the software that use according to intelligent mainboard determine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021590540A CN1308830C (en) | 2002-12-27 | 2002-12-27 | Computer controled easy extension intelligent main board environment test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021590540A CN1308830C (en) | 2002-12-27 | 2002-12-27 | Computer controled easy extension intelligent main board environment test system |
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| CN1512341A true CN1512341A (en) | 2004-07-14 |
| CN1308830C CN1308830C (en) | 2007-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021590540A Expired - Fee Related CN1308830C (en) | 2002-12-27 | 2002-12-27 | Computer controled easy extension intelligent main board environment test system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372314C (en) * | 2004-08-18 | 2008-02-27 | 华为技术有限公司 | User circuit analogy interface index automatic test system and test method |
| CN100517255C (en) * | 2004-08-25 | 2009-07-22 | 鸿富锦精密工业（深圳）有限公司 | Device for testing serial high-order hard disc structural interface function of main machine board |
| CN102692598A (en) * | 2012-06-28 | 2012-09-26 | 南京南车浦镇城轨车辆有限责任公司 | Electric cabinet logic tester device of railway vehicle |
| CN103529824A (en) * | 2013-10-21 | 2014-01-22 | 广东威创视讯科技股份有限公司 | Stability test method and system |
| CN104297664A (en) * | 2013-07-19 | 2015-01-21 | 鸿富锦精密工业(武汉)有限公司 | Mainboard time sequence measuring device and method |
| CN112904112A (en) * | 2021-01-18 | 2021-06-04 | 深圳市科创奇科技有限公司 | Test system and test method of scooter controller |
| CN113590064A (en) * | 2021-07-26 | 2021-11-02 | 曙光信息产业股份有限公司 | Environmental test chamber and environmental test system |
| CN114697244A (en) * | 2022-03-24 | 2022-07-01 | 电信科学技术第五研究所有限公司 | Test system suitable for storage area network intermediate node equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5852617A (en) * | 1995-12-08 | 1998-12-22 | Samsung Electronics Co., Ltd. | Jtag testing of buses using plug-in cards with Jtag logic mounted thereon |
| CN2428780Y (en) * | 2000-06-07 | 2001-05-02 | 四川川嘉电子有限公司 | Video comprehesive test instrument |
-
2002
- 2002-12-27 CN CNB021590540A patent/CN1308830C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372314C (en) * | 2004-08-18 | 2008-02-27 | 华为技术有限公司 | User circuit analogy interface index automatic test system and test method |
| CN100517255C (en) * | 2004-08-25 | 2009-07-22 | 鸿富锦精密工业（深圳）有限公司 | Device for testing serial high-order hard disc structural interface function of main machine board |
| CN102692598A (en) * | 2012-06-28 | 2012-09-26 | 南京南车浦镇城轨车辆有限责任公司 | Electric cabinet logic tester device of railway vehicle |
| CN104297664A (en) * | 2013-07-19 | 2015-01-21 | 鸿富锦精密工业(武汉)有限公司 | Mainboard time sequence measuring device and method |
| CN103529824A (en) * | 2013-10-21 | 2014-01-22 | 广东威创视讯科技股份有限公司 | Stability test method and system |
| CN103529824B (en) * | 2013-10-21 | 2016-04-27 | 广东威创视讯科技股份有限公司 | Stability test method and system |
| CN112904112A (en) * | 2021-01-18 | 2021-06-04 | 深圳市科创奇科技有限公司 | Test system and test method of scooter controller |
| CN113590064A (en) * | 2021-07-26 | 2021-11-02 | 曙光信息产业股份有限公司 | Environmental test chamber and environmental test system |
| CN114697244A (en) * | 2022-03-24 | 2022-07-01 | 电信科学技术第五研究所有限公司 | Test system suitable for storage area network intermediate node equipment |
| CN114697244B (en) * | 2022-03-24 | 2023-08-11 | 电信科学技术第五研究所有限公司 | Test system suitable for storage area network intermediate node equipment |
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|---|---|
| CN1308830C (en) | 2007-04-04 |
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