CN1308830C - Computer controlled easy extendable intelligent main board environment test system - Google Patents

Computer controlled easy extendable intelligent main board environment test system Download PDF

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CN1308830C
CN1308830C CN 02159054 CN02159054A CN1308830C CN 1308830 C CN1308830 C CN 1308830C CN 02159054 CN02159054 CN 02159054 CN 02159054 A CN02159054 A CN 02159054A CN 1308830 C CN1308830 C CN 1308830C
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programmable
computer
test
power supply
smart board
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CN1512341A (en )
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周操
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联想(北京)有限公司
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Abstract

一种计算机控制的易扩展的智能主板环境测试系统,由可编程电源、时序控制器、可编程温湿试验箱和计算机通过IEEE488(GPIB)总线连接构成,由计算机控制可编程的温湿试验箱的状态和可编程电源的输出电压值,由计算机控制时序控制器产生符合不同电源标准的启动关闭时序,通过符合相应电源标准的物理接口与放置在可编程温湿试验箱内的被测智能主板连接,用数据传输方式接收被测智能主板发回的反馈信息,记录并自动生成测试报告和日记。 Extensible smart board test system environment a computer controlled by the programmable power supply, a timing controller, a programmable temperature and humidity chamber and the chamber temperature and humidity by the computer IEEE488 (GPIB) bus constituted by a programmable computer-controlled state and the output voltage value of the programmable power supply, controlled by the timing controller generates the computer starts meet different standards of power supply turn-off timings by the corresponding physical interface complies with the standard power supply is placed in a programmable temperature and humidity in the test chamber smart board test connection, receiving feedback information back to the smart board under test with data transmission, recording and automatically generate test reports and diaries.

Description

计算机控制的易扩展的智能主板环境测试系统 Easy to expand the smart board computer-controlled test system environment

技术领域 FIELD

本发明涉及一种电子技术领域的智能主板环境测试系统,特别是涉及一种计算机控制的易扩展的智能主板环境测试系统。 The present invention relates to an environmental test system for smart board field of electronic technology, particularly to a smart board extensible environment of a computer controlled test system.

背景技术 Background technique

联想的智能主板环境测试系统的专利对过去的系统在测试自动化上作了很大的改进,实现了主板环境测试全程无人监控,自动实现电压拉偏和温度拉偏同时自动监测被测试主板系统的供电电压和湿温试验箱是否正常工作,并能够根据用户的需要,任意设定测试曲线;测试完成后,能够自动生成测试报告。 Lenovo's patented smart board test system environment of the past system made a great improvement in test automation, test environment to achieve the full board unattended, automatically pull side voltage and temperature pull side at the same time automatic monitoring system to be tested motherboard supply voltage and the temperature of the wet chamber is working properly, and the needs of users can be arbitrarily set test curve; the test is completed, it is possible to automatically generate test reports. 但是该系统仍存在以下不足:1.由于采用了自制的计算机控制的可调压电源可靠性低,在电源的各种保护电路上考虑不全面,在测试中易出现烧毁大功率程控电源和被测计算机主板的情况。 But the system still has the following disadvantages: 1. As a result of the low voltage power supply reliability can be self-made computer-controlled, consider not comprehensive in various protection circuit power, high-power programmable power prone to burning in the test and is measured where the computer motherboard.

2.大功率程控电源和系统关系紧密,需要借助控制计算机上的AD/DA控制卡才能工作,因此其直流输出电压标定困难。 2. The programmable power supply and the power system close relationship, it is necessary to control means AD / DA card control to work on a computer, so that the DC output voltage calibration difficult.

3.大功率程控电源在某一路输出电压的功率不能满足被测主板实际需要时,不能方便的扩展,需要开发出新的大功率程控电源,造成设备的浪费。 3. When the power supply of a high-power programmable output voltage can not satisfy the actual needs of the motherboard measured, can not be easily extended, it is necessary to develop a new high-power programmable power supply, resulting in waste of equipment.

4.自制的大功率程控电源仅能在一定范围内对+3.3V,+5V,+12V的输出进行调整,不能实现对其他智能主板要求的输入如-12V,+5VStandby的电压控制。 4. A programmable power supply is made only to 5V, the output of + 3.3V, + + 12V adjusted within a certain range, the input can not be achieved other smart board as in claim -12V, + 5VStandby of voltage control.

5.对不同电源标准的支持差,因为被测主板的启动时序是大功率程控电源内部的单片机控制的,如果测试不同的主板需要改变各路输出电压的启动时序,则需要改变大功率程控电源内部单片机的程序,操作复杂。 Different power standard differential 5. support, as measured motherboard startup sequence is internal high-power programmable microprocessor controlled power supply, motherboard if testing different timing to change the output voltage of each group to start, it is necessary to change the programmable power supply internal microcontroller program, complicated operations.

6.虽然系统实时检测了被测主板工作电压,但是缺乏对被测主板的实际工作状态的监测。 6. While the measured real-time detection system motherboard operating voltage, but the lack of monitoring of the actual working conditions of the test board.

有鉴于上述现有的智能主板环境测试系统存在的缺陷,本设计人基于丰富的实务经验及专业知识,积极加以研究创新,经过不断的研究、设计,并经反复试作样品及改进后,终于创设出确具实用价值的本发明。 In view of the above-mentioned shortcomings of existing smart board system test environment, the designer based on a wealth of practical experience and expertise, actively pursued research and innovation, through continuous research, design, and after repeated samples and test for improvement, and finally with the creation of the present invention is indeed practical value.

发明内容 SUMMARY

本发明所要解决的主要技术问题在于,克服现有的智能主板环境测试系统存在的缺陷,而提供一种计算机控制的智能主板环境测试系统,使其利用计算机的程序控制,分别地、较大范围地调整各路输出电压,模拟各种标准的电源,调整智能主板的工作电压和环境温、湿度,并能接收被测计算机系统发回的反馈信息,记录并自动生成测试报告和日志。 The present invention solves the technical problem is mainly to overcome the problems of the conventional environment of the smart board test systems, smart board to provide an environmental test system for computer-controlled, so that the control program using the computer, respectively, a wide range adjusting each output voltage, a variety of standard analog power, smart board to adjust the operating voltage and the ambient temperature and humidity, and can receive the measured feedback information back to the computer system, the recording and automatically generate test reports and logs.

本发明所要解决的另一技术问题在于,提供一种计算机控制的易扩展的智能主板环境测试系统,使其可以针对不同的产品设定测试的时间、测试标准和测试点,从而扩大适用范围,提高测试的有效性。 The present invention further technical problem to be solved is to provide an extensible environmental test smart board computer controlled system, so that different products can be set for test time, test criteria and test points, thereby expanding the scope of application, improve the effectiveness of the test.

本发明解决其主要技术问题是采用以下技术方案来实现的。 The present invention to solve the main technical problem is achieved by the following technical solutions. 依据本发明提出的计算机控制的易扩展的智能主板环境测试系统,是以控制计算机作为整个系统的核心,控制计算机通过IEEE488(GPIB)总线分别连接并控制可编程温湿试验箱、若干个可编程电源和若干个时序控制器。 Based extensible smart board computer controlled environmental test system proposed by the present invention, the control computer is used as core of the system, the control computer by IEEE488 (GPIB) and a control bus are connected to a programmable temperature and humidity chamber, a plurality of programmable and a plurality of power supply timing controller. 每个可编程电源具有输出一种电压,并且在计算机控制下使电压能在一定范围内变化的功能。 Each programmable power supply having an output A voltage, and the voltage can be varied within a certain range of functions under computer control. 若一台被测智能主板需要几种电压,用相应数目的各自输出相应电压的可编程电源共同提供,这些可编程电源输出的电压用导线接入一台时序控制器作为输入。 If a voltage test requires several smart board, together with the corresponding number of each to provide a respective output programmable power voltage, the power supply output voltage programmable access a timing controller as the input lead wire. 时序控制器根据控制计算机发来的指令,可产生符合不同电源标准的启动关闭时序,通过符合相应电源标准的物理接口与放置在可编程温湿试验箱内的被测智能主板连接。 The timing controller according to instructions sent by the control computer, power can be generated to start conforming to different standards closing timing via the respective physical interface complies with the standard power supply is placed in a programmable temperature and humidity in the test chamber measured smart board. 可编程温湿试验箱接受控制计算机发来的控制命令,调整被测智能主板的实际工作环境温度和湿度,同时将试验箱内传感器检测到的温、湿度值反馈给控制计算机。 Temperature, humidity programmable temperature and humidity control chamber receiving the control command sent by the computer to adjust the temperature and humidity in the actual working environment of the smart board under test, while the detection sensor to the test chamber is fed back to the control computer. 被测智能主板的工作状态信息通过数据传输线路传输至控制计算机。 Smart board measured operating state information transmitted by the data transmission line to the control computer. 一种被测智能主板需要一个时序控制器;功率允许的条件下,几台相同的被测智能主板能共用一个时序控制器。 One metered smart board requires a timing controller; allowed power conditions, the same test several smart board can share a timing controller. 如果被测智能主板的某一路电压需要的功率超过一台可编程电源的输出功率,可采用几个可编程电源并联形式对该路供电。 If the measured power of a road smart board required voltage exceeds a programmable output power supply, may be employed in the form of several parallel to the programmable power supply path. 一个可编程温湿试验箱一般可以放置若干台被测智能主板。 A programmable temperature and humidity chamber test station may generally be placed several smart board.

本发明与现有技术相比具有明显的优点和有益效果。 The prior art and the present invention has obvious advantages and beneficial effects compared. 由以上技术方案可知:本发明利用可编程电源、时序控制器、可编程温湿试验箱和计算机的连接,通过计算机分别调整每路工作的电压,调整环境温度和湿度,模拟各种标准的电源开启和关闭时序,允许电源电压针对不同的情况进行并联,满足被测智能主板对电源输入的要求,扩大了适用范围。 It is seen from the above technical solutions: The present invention utilizes a programmable power supply is connected, a timing controller, a programmable temperature and humidity chamber and the computer, each channel operating voltage adjusted by a computer, respectively, to adjust the ambient temperature and humidity to simulate a variety of standard power opening and closing timing, the power supply voltage in parallel to allow for different situations, smart board to meet the test requirements of power input, to expand the scope of application. 系统采用了通用的可编程电源作为模块,每个可编程电源除了可以程序控制调整输出之外,也可以手动调节控制输出,便于标定操作,而且被测智能主板得到每一路电压都是由一个可编程电源或一组并联的可编程电源提供的,也就是系统中提供电压的各模块是完全独立的,各个单独模块可以单独标定,这样也使系统的标定更为方便。 The system uses a programmable power supply as a common module, in addition to the program each programmable power control adjustment output, but can also manually adjust the control output, ease of calibration operation, and to give each of the smart board test circuit voltage can be made is a programming power supply or a parallel array of programmable power supply, that is, a voltage of each module in the system is completely independent, individual modules can be individually calibrated, this calibration system is also more convenient. 同时通用的可编程电源有专门的电路实现过压、过流保护、输出纹波的抑制等,这样整个测试系统本身的可靠性也大大提高,出现异常的情况下可以快速地切断输出,大大减少了甚至可以避免出现烧坏测试系统和被测智能主板的情况。 Output can be cut off quickly at the same time universal programmable power dedicated circuit implementation overvoltage, overcurrent protection, output ripple suppressing the like, so that the reliability of the entire test system itself is also greatly improved, abnormal situation, greatly reduced the situation even burn test systems and test the smart board can be avoided. 系统可以采用多个时序控制器同时测试多块主板,如果被测智能主板的某一路电压需要的功率超过一台可编程电源的输出功率,可采用几个可编程电源并联形式对该路供电,实现了方便的扩展。 The system may employ a plurality of simultaneously testing a plurality of timing controller motherboard, if the measured power of the smart board a road required voltage exceeds a programmable output power supply, may be employed in the form of several parallel to the programmable power supply path, It achieved easily extended. 系统使用了多个电源模块,能够提供比过去的系统更多的可改变的电压,采用了程序控制的时序控制器独立控制启动时序,解决了过去系统不能方便的修改智能主板启动关闭时序的问题,使系统不用修改硬件或仅改变接口形式,就可实现不同产品的环境测试,避免了多次反复投资,节省了成本,提高了效率。 The system uses a plurality of power modules, more than in the past to provide a system voltage can change, using a process control independent control of the timing controller startup sequence, the system can not solve the past problem of easily modify the smart board to start closing timing the system without modifying the hardware or change only the interface form, you can achieve environmental testing different products, to avoid repeatedly investment, cost savings and improve efficiency. 并采用数据传输线路接收被测智能主板工作状态的反馈信息,比过去的系统仅能检测被测主板的主要几路供电电压有了较大的改进,测试系统会对智能主板工作状态的反馈信息记录并自动生成测试报告和日志。 Several main passage and the supply voltage using the feedback information received smart board measured operating state data transmission path, the system than in the past only detecting the test board have been greatly improved, feedback information from the smart motherboard operating state of the test system recording and automatically generate test reports and logs.

本发明的具体实施方式由以下实施例及其附图详细给出。 DETAILED DESCRIPTION Example embodiments of the present invention is given by the following and the accompanying drawings in detail.

附图说明 BRIEF DESCRIPTION

图1是本发明的原理图。 1 is a schematic view of the invention.

图2是本发明用于测试Intel奔腾4 CPU主板的实施连接图。 FIG 2 is a connection diagram of the present invention is used to test the Intel Pentium 4 CPU motherboard.

图中标号:1.控制计算机 2、3、4、5、6.可编程电源 7、8.时序控制器9.可编程温湿试验箱, 10、11.被测智能主板 12.IEEE488总线13.A标准电源物理接口 14.B标准电源物理接口 15.数据传输线路16.键盘鼠标显示器切换器 17.键盘鼠标显示器转换电缆18.ATX标准电源物理接口 100.计算机主机箱, 101.GPIB卡102.多串口通讯卡 103.显示器 104.鼠标105.键盘 106.硬盘 107.软驱701.可编程多路控制器 702.多路电压调整器具体实施方式以下结合附图及较佳实施例,对依据本发明提出的计算机控制的智能主板环境测试系统其具体实施方式、结构及特征,详细说明如后。 FIG numeral: 1 programmable power control computer 2,3,4,5,6 7,8 timing controller 9. The programmable temperature and humidity chamber, the test smart board 12.IEEE488 bus 10, 13... .A 14.B standard physical interface standard power supply 15. The physical interface 16. The keyboard and mouse data transmission line switching display monitor 17. The keyboard cable 18.ATX standard power converter 100. The physical interface of the computer main chassis, 101.GPIB card 102 the multi-display 104. the serial communication card 103. the hard disk 106. the mouse keyboard 105. 107. 701. floppy programmable multiplexer 702. the multiplexer controller voltage regulator DETAILED embodiments described below in conjunction with the accompanying drawings and the preferred embodiments according to environmental testing system smart board computer control proposed by the invention to specific embodiments thereof, and structural characteristics, as will be described in detail.

请参阅图1所示的本发明计算机控制的智能主板环境测试系统原理图,控制计算机1作为整个系统的核心通过IEEE488(GPIB)总线12分别连接并控制可编程电源2、3、4、5、6,时序控制器7、8和可编程温湿试验箱9。 Please refer to FIG. 1 environment smart board computer controlled test system schematic diagram of the present invention, the control computer 1 as the core of the system by IEEE488 (GPIB) and the control bus 12 are connected to a programmable power supply 2,3,4,5, 6, 7, 8, the timing controller 9 and programmable temperature and humidity chamber.

可编程电源2、3、4、5、6用于提供电能即被测主板需要的各个不同电压U1、U2、U3、U4,并在计算机1控制下在一定范围内改变这些电压。 2,3,4,5,6 programmable power supply for supplying power to the motherboard i.e. measured voltages required for the different U1, U2, U3, U4, and these voltage changes at the control computer 1 within a certain range. 其中可编程电源5、6采用电压源并联,输出同样的电压U4但能提供更大的输出功率。 Wherein the programmable supply voltage source using 5,6 parallel, the output voltage U4 the same but provides more output power.

电压U1、U2、U3输入给时序控制器7,电压U1、U2、U3、U4输入给时序控制器8,时序控制器根据控制计算机1通过IEEE488总线12发来的指令,可分别产生符合A、B标准电源的启动关闭时序,时序控制器7的输出为A标准电源物理接口13,时序控制器8的输出为B标准电源物理接口14。 Voltage U1, U2, U3 input to the timing controller 7, the voltage U1, U2, U3, U4 input to the timing controller 8, the timing controller according to the control computer 1 IEEE488 12 sent by the bus command can be generated in line with A, respectively, B start timing of closure standard power output, the timing controller 7 is power a standard physical interface 13, the output timing controller 8 for the B standard physical interface 14 supply.

可编程温湿试验箱9接受控制计算机1发来的控制命令,调整被测智能主板10、11的实际工作环境温、湿度,同时将试验箱内传感器检测到的温、湿度值通过IEEE488总线12反馈给控制计算机1。 Programmable temperature and humidity chamber 9 accepts the control computer 1 to send the control command to adjust the measured actual smart board 10, ambient temperature and humidity, while the detection sensor to the test chamber temperature and humidity values ​​IEEE488 bus 12 1 back to the control computer.

被测智能主板10通过A标准电源物理接口13连接时序控制器7的输出,被测智能主板11通过B标准电源物理接口14连接时序控制器8的输出。 Measured by an A smart board 10 outputs the physical interface 13 is connected to a standard power output of the timing controller 7, B measured by standard smart board 11 power connector physical interface 14 of the timing controller 8. 当被测智能主板在各种工作电压和温、湿度环境下运行测试时,其工作状态信号通过数据传输线路15与控制计算机1连接,控制计算机1会将不同的工作环境及被测智能主板的工作状态自动记录下来,便于后期分析试验结果。 When the measured test run smart board in the operating voltage and temperature and humidity environment, the operation status signal is connected via a data transmission line 15 and the control computer, the control computer 1 will be measured in different working environments and the smart board working state automatically recorded, to facilitate later analysis results.

请参阅图2所示,本发明计算机控制的智能主板环境测试系统用于测试Intel奔腾4 CPU主板的实施连接图。 Please refer to FIG. 2, the intelligent system computer motherboard test environment for testing of the present invention controls the connection of FIG embodiment Intel Pentium 4 CPU motherboard. 系统的核心为计算机主机箱100,GPIB(IEEE488)卡101安装在计算机主机箱100的PCI扩展槽上。 The core of computer system main chassis 100, GPIB (IEEE488) card 101 is mounted on the PCI expansion slot of the computer main chassis 100. GPIB卡101通过IEEE488总线12和可编程电源2、3、4、5、6,时序控制器7中的可编程多路控制器DAC 701,可编程温湿试验箱9并联连接。 IEEE488 GPIB card 101 via the bus 12 and the programmable power supply 2,3,4,5,6, of the timing controller 7 programmable multiplexer controller DAC 701, programmable temperature and humidity chamber 9 is connected in parallel.

计算机通过IEEE488总线12可以设定:可编程电源2的输出为+3.3V;可编程电源3的输出为+5V;可编程电源4的输出为-5V;可编程电源5的输出为+12V;可编程电源6的输出为-12V;计算机通过IEEE488总线12也可以一起或单独调节这些可编程电源的输出电压。 The computer 12 may be set by IEEE488 bus: programmable output power supply 2 to + 3.3V; 3-output programmable power supply for the + 5V; 4 programmable output power supply is -5 V; 5 programmable output power supply is + 12V; 6 is a programmable output power supply -12V; IEEE488 via the computer bus 12 may be adjusted together or individually programmable output voltage of these power supplies.

可编程电源2的输出端通过电缆向可编程多路控制器DAC 701提供+3.3V电压;可编程电源3的输出端通过电缆向可编程多路控制器DAC 701提供+5V电压;可编程电源4的输出端通过电缆向可编程多路控制器DAC701提供-5V电压;可编程电源5的输出端通过电缆向可编程多路控制器DAC 701提供+12V电压;可编程电源6的输出端通过电缆向可编程多路控制器DAC 701提供-12V电压;计算机通过IEEE488总线12控制时序控制器7中的可编程多路控制器DAC 701的模拟输出,分别模仿计算机启动和关闭时±12V,±5V,+3.3V,Power Good信号的时序和波形。 Programmable output of the power cable 2 is provided by the controller to the programmable multiplexer DAC 701 + 3.3V voltage; programmable power supply output terminal 3 is provided to the programmable multiplexer controller DAC 701 + 5V voltage through the cable; programmable power supply output terminal 4 is provided by a cable to a programmable multiplexer controller DAC701 -5V voltage; 5 programmable power output is provided to the programmable multiplexer controller DAC 701 + 12V voltage through the cable; output terminal of the programmable power supply 6 through providing to the programmable multiplexer cable controller DAC 701 -12V voltage; computer IEEE488 via the analog output bus 12 controls the timing controller 7 programmable multiplexer controller DAC 701 respectively mimic the computer starts and closing ± 12V, ± 5V, + 3.3V, timing and waveform Power Good signal. 这几路输出通过电缆连接到多路电压调整器MVA 702。 These outputs are connected to the multiple voltage regulator MVA 702 by a cable. 时序控制器7中的多路电压调整器MVA 702的输出接口有±12V,+5V,3.3V,Power Good和+5V Standby,按照ATX-12V的接口规范,选择相应电缆,与被测的INTEL奔腾4CPU主板连接;也可以按照ATX的接口规范,选择±12V,±5V,3.3V,Power Good和+5V Standby用相应电缆构成ATX标准电源物理接口18,可用于INTEL奔腾3CPU主板。 Multiple voltage regulator in the timing controller 7 MVA output interface 702 are ± 12V, + 5V, 3.3V, Power Good and + 5V Standby, in accordance with the interface specifications of ATX-12V, select cable, and the measured INTEL 4CPU Pentium motherboard connector; according to the interface specifications may ATX choose ± 12V, ± 5V, 3.3V, power Good + 5V Standby and the corresponding power cable constituting the ATX standard physical interfaces 18, may be used 3CPU INTEL Pentium motherboard.

计算机通过IEEE488总线12控制可编程温湿试验箱9的开启、关闭、温度和湿度,并接收可编程温湿试验箱9反馈回来的工作状态。 IEEE488 bus 12 by the control computer programmable temperature and humidity chamber 9 is open, closed, temperature and humidity, temperature and humidity chamber 9 and receives programmable operating state fed back. 通过这种方式可以控制被测主板10工作的环境温度和湿度,模拟不同的使用环境。 Board 10 can control the work measured in this way the ambient temperature and humidity to simulate different environments.

已安装CPU、散热片和内存的被测主板10放置在可编程温湿试验箱9之中,通过软驱连线与放置在可编程温湿试验箱9外的软驱107相连,通过硬盘数据连接线与放置在可编程温湿试验箱9外的硬盘106相连。 Floppy with CPU, memory, and fins 10 placed in the test motherboard programmable temperature and humidity chamber 9, through connection with the floppy placed outside the chamber 9 is connected to a programmable temperature and humidity 107, connected by a hard wire data connected to a programmable temperature and humidity chamber placed outside the hard disk 106 9. 硬盘106中可安装用于运行测试程序的操作系统,软驱107既可用来运行简单的测试程序,也可用来输出测试程序产生的日志文件。 The hard disk 106 can be installed to run the test program of the operating system, a floppy drive 107 can be used to run a simple test procedure, also be used to output a log file generated by the test program.

计算机主机箱100的PCI扩展插槽上安装有多串口通讯卡102,并通过RS232连线15和被测主板10的串行通讯口连接,被测主板10上运行的测试程序会不断地将被测主板10的状态信息通过串行通讯口发至多串口通讯卡102,测试系统将它们记录在测试日志中。 The computer main chassis mounted on a plurality of PCI expansion slot 100 serial communication card 102, and the connection via the RS232 serial communication port 15 and 10 is connected to the main board under test, the test program running on the main board under test 10 is continually test board 10 status information is sent up to the serial communication card 102 via the serial communication port, the system will test them in a test log record.

计算机1的显示输出和键盘鼠标输入通过键盘鼠标显示器转换电缆17和键盘鼠标显示器切换器16连接。 The computer output display and an input keyboard 16 is connected to cable 17 and converting keyboard switch via keyboard display monitor. 被测主板10的显示输出和键盘鼠标输入通过键盘鼠标显示器转换电缆17和键盘鼠标显示器切换器16连接。 Board test keyboard and mouse input and display output 10 of the converter 16 is connected to cable 17 and display keyboard switch via keyboard display. 计算机显示器103、鼠标104、键盘105也和键盘鼠标显示器切换器16连接,通过键盘鼠标显示器切换器16上的按键切换,操作人员可以完成对计算机1的操作和对被测主板10状态的监控。 The computer display 103, mouse 104, keyboard 105 is also connected to a display and keyboard switch 16, switching of the switching button on the keyboard 16 by display, the operator can operate and monitor the state of the examinee 10 on the motherboard of the computer 1.

图中仅列举了对一块计算机主板的测试连接,事实上整个系统可完成多个被测主板的同时测试。 Just to name a test chart of a computer connected to the test board, a plurality of fact, the entire system can be completed simultaneously test board. 当可编程电源2、3、4、5、6的功率不足时,可以并连接入相同型号的电源;计算机1可独立控制八个时序控制器7;多串口通讯卡102可接受八路串行RS232的信号输入,即可接受八个被测系统的反馈;键盘鼠标显示器切换器16也可以连接多个被测主板,方便操作人员的控制。 2,3,4,5,6 programmable power when there is insufficient power, and can be connected to the same type of power supply; Computer 1 can be controlled independently eight timing controller 7; pharmaceutically multiple serial communication card 102 eight serial RS232 a signal input, eight to receive feedback from the system under test; keyboard display switch 16 may be connected to a plurality of test boards, to facilitate operator control.

以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。 Above, only the preferred embodiment of the present invention, it is not limited in the present invention of any form, all according to the technical essence any simple modification of the above embodiment of the present invention is made of embodiments, modifications and equivalents as would fall within the technical scope of the present invention.

Claims (6)

  1. 1.一种计算机控制的易扩展的智能主板环境测试系统,用于对智能主板在不同环境条件下的工作状态进行测试,其特征在于:系统由可编程电源、时序控制器、可编程温湿试验箱和计算机构成,计算机通过IEEE488总线分别连接并控制可编程温湿试验箱、可编程电源和时序控制器;可编程电源输出的电压输入时序控制器;时序控制器通过符合相应电源标准的物理接口与放置在可编程温湿试验箱内的被测智能主板连接;计算机与可编程温湿试验箱内的被测智能主板之间有数据传输线路连接。 A smart board and scalable computer controlled environmental test system for testing the operating state of the smart board under different environmental conditions, characterized by: a programmable power supply system, a timing controller, a programmable temperature and humidity and a computer configured chamber, and a control computer connected to a programmable temperature and humidity chamber, and a timing controller through the programmable power IEEE488 bus, respectively; programmable timing controller input voltage of the power supply output; timing controller via a respective supply line with the physical standards interface temperature and humidity test chamber is placed in a programmable smart board under test is connected; data transmission line connected between the test smart board computer with a programmable temperature and humidity in the test chamber.
  2. 2.根据权利要求1所述的计算机控制的智能主板环境测试系统,其特征在于其中所述的计算机装有IEEE488卡,卡的数量在测试系统需要时可以超过一块。 The environmental test smart board computer controlled system according to claim 1, characterized in that said computer with IEEE488 card, the number of cards when necessary, more than one test system.
  3. 3.根据权利要求1所述的计算机控制的智能主板环境测试系统,其特征在于其中所述的可编程电源可以根据被测智能主板的需要采用单独或并联方式组合使用;可编程电源的数量与被测智能主板所需电压种类相适配;每个可编程电源所输出的电压值根据计算机发来的指令产生并根据计算机发来的指令变化。 The environmental test smart board computer controlled system according to claim 1, characterized in that wherein said programmable power supply may be used singly or in combination of parallel intelligence required test board; programmable power supply and the number of smart measured voltage required motherboard adapted species; each programmable power supply voltage output is generated and changed according to an instruction sent by the computer according to the instructions sent by a computer.
  4. 4.根据权利要求1所述的计算机控制的智能主板环境测试系统,其特征在于其中所述的时序控制器由可编程多路控制器和多路电压调整器通过电缆连接组成;DAC连接IEEE488总线;MVA的输入端连接可编程电源的电压输出,MVA的输出端按照所需电源标准的要求构成相应的物理接口形式。 The environmental test smart board computer controlled system according to claim 1, characterized in that said timing controller by a programmable controller and a multiplexer multiplexing the voltage regulator composed by a cable; IEEE488 bus connected to the DAC ; MVA is connected to the input of the voltage output of the programmable power supply, an output terminal constituting the MVA form the physical interface standards as required by the desired power.
  5. 5.根据权利要求1所述的计算机控制的智能主板环境测试系统,其特征在于其中所述的可编程温湿试验箱的开启、关闭以及箱内的温度和湿度是根据计算机发来的指令产生并根据计算机发来的指令调整的;可编程温湿试验箱的工作状态通过IEEE488总线反馈给计算机。 The environmental test smart board computer controlled system according to claim 1, characterized in that the opening programmable temperature and humidity test chamber wherein the temperature and humidity tank is closed and produced according to the instructions sent by a computer and adjusted according to the instructions sent by a computer; programmable temperature and humidity chamber operating state back to the computer via IEEE488 bus.
  6. 6.根据权利要求1所述的计算机控制的智能主板环境测试系统,其特征在于其中所述的数据传输线路是计算机通讯所使用的方式之一,可以是串行通讯线路,也可以是以太网线路或其他通讯协议线路,根据智能主板使用的硬件设备和软件决定。 The environmental test smart board computer controlled system according to claim 1, characterized in that the data transmission line wherein said communication is one of the ways used by the computer, may be a serial communication line, or may be an Ethernet line or other communication protocols line, determined by the hardware and software smart board use.
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