CN111752777A - Functional testing system and method for interface equipment - Google Patents
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及接口测试领域，尤其涉及一种接口设备的功能测试系统及方法。The invention relates to the field of interface testing, in particular to a functional testing system and method for interface equipment.
背景技术Background technique
目前，随着科技的日益更新，电脑等消费类产品的集成度越来越高，对整机电气方面以及通信方面的测试一直是测试行业内一个关注的重点。电脑等消费类产品与网络或其他设备连接的接口也是一个非常重要的组件，影响着设备之间的互联和通信。At present, with the increasing updating of science and technology, the integration of consumer products such as computers is getting higher and higher, and the testing of the electrical and communication aspects of the whole machine has always been a focus of attention in the testing industry. The interface between consumer products such as computers and the network or other devices is also a very important component, affecting the interconnection and communication between devices.
但是，现有的接口测试存在以下缺陷：However, existing interface tests have the following flaws:
1、使用专门的仪器测试扩展坞的通信成本昂贵，需要独立测试，占用空间和人力，更重要的是，由于接口的种类随之增多，测试仪器的适用性低，无法满足多种接口依次测试的要求。1. The communication cost of using a special instrument to test the docking station is expensive, requires independent testing, takes up space and manpower, and more importantly, due to the increase in the types of interfaces, the applicability of the test instrument is low, and it cannot meet the sequential testing of multiple interfaces. requirements.
2、工人岗前技能培训复杂，对工人的要求较高，不宜推广。2. The pre-job skills training for workers is complex and requires higher requirements for workers, so it should not be promoted.
3、测试效率低，耗费成本大。3. The test efficiency is low and the cost is high.
发明内容SUMMARY OF THE INVENTION
为了克服现有技术的不足，本发明的目的之一在于提供一种接口设备的功能测试系统及方法，其能解决无法满足多种接口依次测试的要求的问题。In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a functional testing system and method for an interface device, which can solve the problem that the requirements for sequential testing of multiple interfaces cannot be met.
本发明的目的之一采用如下技术方案实现：One of the objects of the present invention adopts the following technical scheme to realize:
一种接口设备的功能测试系统，包括工号验证单元、光电感应器、测试治具、接口选择单元、接口识别单元、测试单元及微处理器，所述微处理器分别与所述工号验证单元、测试单元、光电感应器、测试治具、接口选择单元建立连接，待测试的接口设备设置有若干个不同种类的测试接口，待测试的接口设备安置于测试治具上，所述光电感应器固定于所述测试治具并感应待测试的接口设备是否安置到位，所述工号验证单元验证输入的工号是否满足要求并将测试信号传递到所述微处理器，所述微处理器驱动所述接口选择单元选择测试接口，所述接口识别单元识别测试接口选择无误后发送测试指令到所述微处理器，所述微处理器驱动所述测试单元向测试接口发送数据包、读取信息，判断速率与信号质量并将测试结果反馈至工控机。A functional testing system for interface equipment, comprising a job number verification unit, a photoelectric sensor, a test fixture, an interface selection unit, an interface identification unit, a test unit and a microprocessor, wherein the microprocessor is respectively associated with the job number verification unit. The unit, the test unit, the photoelectric sensor, the test fixture, and the interface selection unit are connected. The interface device to be tested is provided with several different types of test interfaces. The interface device to be tested is placed on the test fixture. The photoelectric sensor The tester is fixed on the test fixture and senses whether the interface device to be tested is placed in place, the work number verification unit verifies whether the input work number meets the requirements and transmits the test signal to the microprocessor, the microprocessor Drive the interface selection unit to select a test interface, the interface identification unit sends a test instruction to the microprocessor after identifying that the test interface is selected correctly, and the microprocessor drives the test unit to send data packets to the test interface, read information, judge the speed and signal quality, and feed back the test results to the industrial computer.
进一步地，所述测试单元包括短路测试模块，所述短路测试模块检测接口是否存在短路。Further, the test unit includes a short circuit test module, and the short circuit test module detects whether there is a short circuit in the interface.
进一步地，所述测试单元包括断路测试模块，所述断路测试模块检测接口是否存在断路。Further, the test unit includes an open circuit test module, and the open circuit test module detects whether there is an open circuit in the interface.
进一步地，所述测试单元包括电阻测试模块，所述电阻测试模块测量接口的电阻值大小。Further, the test unit includes a resistance test module, and the resistance test module measures the resistance value of the interface.
进一步地，所述测试单元还包括恒流源模块，所述恒流源模块与测试接口连接。Further, the test unit further includes a constant current source module, and the constant current source module is connected to the test interface.
进一步地，所述待测试的接口设备与扩展坞建立连接。Further, the interface device to be tested is connected with the docking station.
进一步地，所述测试接口包括USB Type-C，USB3.0，Audio Jack和网口。Further, the test interface includes USB Type-C, USB3.0, Audio Jack and a network port.
一种接口设备的功能测试方法，应用于接口设备的功能测试系统，接口设备的功能测试系统包括工号验证单元、光电感应器、测试治具、接口选择单元、接口识别单元、测试单元及微处理器，所述微处理器分别与所述工号验证单元、测试单元、光电感应器、测试治具、接口选择单元建立连接，其特征在于，包括以下步骤：工号验证步骤：检测输入的工号是否符合要求，若是，执行下一步，若否，发送工号错误指令到微处理器；A functional testing method for interface equipment, which is applied to a functional testing system for interface equipment. The functional testing system for interface equipment includes a job number verification unit, a photoelectric sensor, a test fixture, an interface selection unit, an interface identification unit, a test unit and a microcomputer. The processor, the microprocessor establishes connections with the job number verification unit, the test unit, the photoelectric sensor, the test fixture, and the interface selection unit respectively, and is characterized in that it includes the following steps: a job number verification step: detecting the input Whether the job number meets the requirements, if so, execute the next step, if not, send the error command of the job number to the microprocessor;
位置感应步骤：光电感应器检测待测试的接口设备的位置是否安置正确，若是，执行下一步，若否，发送位置错误指令到微处理器；Position sensing step: the photoelectric sensor detects whether the position of the interface device to be tested is placed correctly, if so, execute the next step, if not, send a position error command to the microprocessor;
接口选择步骤：微处理器从测试接口中选择出待测接口，标识待测接口；Interface selection step: the microprocessor selects the interface to be tested from the test interfaces, and identifies the interface to be tested;
接口检测步骤：检测待测接口是否已经被检测过，若是，返回接口选择步骤，若否，执行下一步；Interface detection step: detect whether the interface to be tested has been detected, if so, return to the interface selection step, if not, go to the next step;
测试步骤：测试单元向测试接口发送数据包、读取信息，判断速率与信号质量并将测试结果反馈至工控机。Test steps: The test unit sends data packets to the test interface, reads the information, judges the rate and signal quality, and feeds back the test results to the industrial computer.
进一步地，在所述接口选择步骤中，微处理器识别待测借口并形成数据库。Further, in the interface selection step, the microprocessor identifies the interface to be tested and forms a database.
进一步地，在所述测试步骤中，测试完接口后，标识当前接口为已测接口，返回接口选择步骤进行下一个接口的测试。Further, in the testing step, after the interface is tested, the current interface is identified as the tested interface, and the interface selection step is returned to test the next interface.
相比现有技术，本发明的有益效果在于：Compared with the prior art, the beneficial effects of the present invention are:
待测试的接口设备设置有若干个不同种类的测试接口，待测试的接口设备安置于测试治具上，所述光电感应器固定于所述测试治具并感应待测试的接口设备是否安置到位，所述工号验证单元验证输入的工号是否满足要求并将测试信号传递到所述微处理器，所述微处理器驱动所述接口选择单元选择测试接口，所述接口识别单元识别测试接口选择无误后发送测试指令到所述微处理器，所述微处理器驱动所述测试单元向测试接口发送数据包、读取信息，判断速率与信号质量并将测试结果反馈至工控机。灵活度高，可适用于不同类型的接口依次进行测试，可根据客户要求灵活运用测试方式，使其更容易满足客户的各种需求，自动化测试，极大的减少对人力的依赖，时效性高，操作简易，成本低廉。The interface device to be tested is provided with several different types of test interfaces, the interface device to be tested is placed on the test fixture, the photoelectric sensor is fixed on the test fixture and senses whether the interface device to be tested is placed in place, The job number verification unit verifies whether the input job number meets the requirements and transmits a test signal to the microprocessor, the microprocessor drives the interface selection unit to select a test interface, and the interface identification unit identifies the test interface selection After no error, the test command is sent to the microprocessor, and the microprocessor drives the test unit to send data packets to the test interface, read information, judge the rate and signal quality, and feed back the test results to the industrial computer. High flexibility, it can be applied to different types of interfaces to be tested in sequence, and the test method can be flexibly used according to customer requirements, making it easier to meet various needs of customers, automated testing, greatly reducing the dependence on manpower, and high timeliness , Simple operation and low cost.
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其他目的、特征和优点能够更明显易懂，以下特举较佳实施例，并配合附图，详细说明如下。The above description is only an overview of the technical solutions of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand , the following specific preferred embodiments, and in conjunction with the accompanying drawings, are described in detail as follows.
附图说明Description of drawings
图1为本发明接口设备的功能测试系统中一较佳实施例的结构框体；Fig. 1 is the structural frame of a preferred embodiment in the functional testing system of the interface device of the present invention;
图2为图1所示接口设备的功能测试系统用于短路测试的电路图；Fig. 2 is the circuit diagram that the functional test system of the interface device shown in Fig. 1 is used for short circuit test;
图3为图1所示接口设备的功能测试系统中恒流源的电路图；Fig. 3 is the circuit diagram of the constant current source in the functional test system of the interface device shown in Fig. 1;
图4为阀值比较电路；Figure 4 is a threshold comparison circuit;
图5为UTC2000与TYPE C的配置图；Figure 5 is the configuration diagram of UTC2000 and TYPE C;
图6为流程图。FIG. 6 is a flowchart.
具体实施方式Detailed ways
下面，结合附图以及具体实施方式，对本发明做进一步描述，需要说明的是，在不相冲突的前提下，以下描述的各实施例之间或各技术特征之间可以任意组合形成新的实施例。The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be combined arbitrarily to form new embodiments. .
需要说明的是，当组件被称为“固定于”另一个组件，它可以直接在另一个组件上或者也可以存在居中的组件。当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时存在居中组件。当一个组件被认为是“设置于”另一个组件，它可以是直接设置在另一个组件上或者可能同时存在居中组件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
请参阅图1，一种接口设备的功能测试系统，包括工号验证单元、光电感应器、测试治具、接口选择单元、接口识别单元、测试单元及微处理器，所述微处理器分别与所述工号验证单元、测试单元、光电感应器、测试治具、接口选择单元建立连接，待测试的接口设备设置有若干个不同种类的测试接口，待测试的接口设备安置于测试治具上，所述光电感应器固定于所述测试治具并感应待测试的接口设备是否安置到位，所述工号验证单元验证输入的工号是否满足要求并将测试信号传递到所述微处理器，所述微处理器驱动所述接口选择单元选择测试接口，所述接口识别单元识别测试接口选择无误后发送测试指令到所述微处理器，所述微处理器驱动所述测试单元向测试接口发送数据包、读取信息，判断速率与信号质量并将测试结果反馈至工控机。灵活度高，可适用于不同类型的接口依次进行测试，可根据客户要求灵活运用测试方式，使其更容易满足客户的各种需求，自动化测试，极大的减少对人力的依赖，时效性高，操作简易，成本低廉。Please refer to FIG. 1, a functional testing system for interface equipment, including a job number verification unit, a photoelectric sensor, a test fixture, an interface selection unit, an interface identification unit, a test unit and a microprocessor, the microprocessors are respectively connected with The job number verification unit, the test unit, the photoelectric sensor, the test fixture, and the interface selection unit are connected. The interface device to be tested is provided with several different types of test interfaces, and the interface device to be tested is placed on the test fixture. , the photoelectric sensor is fixed on the test fixture and senses whether the interface device to be tested is placed in place, the job number verification unit verifies whether the input job number meets the requirements and transmits the test signal to the microprocessor, The microprocessor drives the interface selection unit to select a test interface, the interface identification unit sends a test instruction to the microprocessor after identifying that the test interface is selected correctly, and the microprocessor drives the test unit to send the test interface to the test interface. Data packets, read information, judge the rate and signal quality, and feed back the test results to the industrial computer. High flexibility, it can be applied to different types of interfaces to be tested in sequence, and the test method can be flexibly used according to customer requirements, making it easier to meet various needs of customers, automated testing, greatly reducing the dependence on manpower, and high timeliness , Simple operation and low cost.
优选的，所述测试单元包括短路测试模块、断路测试模块、电阻测试模块、与电阻测试模块配合测试的恒流源模块，所述短路测试模块检测接口是否存在短路。所述断路测试模块检测接口是否存在断路，所述测试单元包括，所述电阻测试模块测量接口的电阻值大小，所述测试单元还包括，所述恒流源模块与测试接口连接。具体的，测试单元主要用来检测扩展坞与NOTBOOK连接的接口是否存在短路或者电源PIN阻值过大的问题。请参阅图2，所述断路测试模块采用与门电路来测试的，请参阅图3-4，所述电阻测试模块采用恒流源流经线路产生电压，与标准电阻产生的电压进行比较然后输出结果给微处理器。Preferably, the test unit includes a short-circuit test module, an open-circuit test module, a resistance test module, and a constant current source module for co-testing with the resistance test module, and the short-circuit test module detects whether the interface is short-circuited. The open circuit testing module detects whether there is an open circuit in the interface, the test unit includes the resistance test module for measuring the resistance value of the interface, and the test unit further includes the constant current source module connected to the test interface. Specifically, the test unit is mainly used to detect whether the interface connecting the docking station and the NOTBOOK is short-circuited or the resistance of the power supply PIN is too large. Please refer to Figure 2, the open circuit test module is tested by using an AND gate circuit, please refer to Figure 3-4, the resistance test module uses a constant current source to flow through the line to generate a voltage, compare it with the voltage generated by the standard resistance, and then output the result to the microprocessor.
优选的，所述待测试的接口设备与扩展坞建立连接。请参阅图5，所述测试接口包括USB Type-C，USB3.0，Audio Jack和网口。利用UTC2000芯片对type C的CC引脚进行电阻配置，选择A或者B面，在用两组高速切换开关分别将A和B面的信号延伸出去。使用芯片X863702-001连接USB口，控制X863702-001可选择USB3.0和USB2.0进行通讯。X863702-001属于大容量存储从设备，工控机通过软件可以读出其接受数据包的速率，即可测试USB通信速率与质量，测试效率高。Preferably, the interface device to be tested is connected to the docking station. Please refer to Figure 5, the test interface includes USB Type-C, USB3.0, Audio Jack and network port. Use the UTC2000 chip to configure the resistance of the CC pin of type C, select the A or B side, and use two sets of high-speed switches to extend the signals of the A and B sides respectively. Use the chip X863702-001 to connect to the USB port, and control the X863702-001 to select USB3.0 and USB2.0 for communication. X863702-001 belongs to a large-capacity storage slave device. The industrial computer can read the rate of its received data packets through the software, and can test the USB communication rate and quality, and the test efficiency is high.
请参阅图6，一种接口设备的功能测试方法，应用于接口设备的功能测试系统，接口设备的功能测试系统包括工号验证单元、光电感应器、测试治具、接口选择单元、接口识别单元、测试单元及微处理器，所述微处理器分别与所述工号验证单元、测试单元、光电感应器、测试治具、接口选择单元建立连接，其特征在于，包括以下步骤：工号验证步骤：检测输入的工号是否符合要求，若是，执行下一步，若否，发送工号错误指令到微处理器；Please refer to FIG. 6 , a functional testing method of an interface device, applied to a functional testing system of an interface device. The functional testing system of an interface device includes a job number verification unit, a photoelectric sensor, a test fixture, an interface selection unit, and an interface identification unit. , a test unit and a microprocessor, the microprocessor is respectively connected with the job number verification unit, the test unit, the photoelectric sensor, the test fixture, and the interface selection unit, and it is characterized in that it includes the following steps: job number verification Steps: check whether the input work number meets the requirements, if so, execute the next step, if not, send the work number error command to the microprocessor;
位置感应步骤：光电感应器检测待测试的接口设备的位置是否安置正确，若是，执行下一步，若否，发送位置错误指令到微处理器；Position sensing step: the photoelectric sensor detects whether the position of the interface device to be tested is placed correctly, if so, execute the next step, if not, send a position error command to the microprocessor;
接口选择步骤：微处理器从测试接口中选择出待测接口，标识待测接口；在所述接口选择步骤中，微处理器识别待测借口并形成数据库。Interface selection step: the microprocessor selects the interface to be tested from the test interfaces, and identifies the interface to be tested; in the interface selection step, the microprocessor identifies the interface to be tested and forms a database.
接口检测步骤：检测待测接口是否已经被检测过，若是，返回接口选择步骤，若否，执行下一步；Interface detection step: detect whether the interface to be tested has been detected, if so, return to the interface selection step, if not, go to the next step;
测试步骤：测试单元向测试接口发送数据包、读取信息，判断速率与信号质量并将测试结果反馈至工控机。在所述测试步骤中，测试完接口后，标识当前接口为已测接口，返回接口选择步骤进行下一个接口的测试。Test steps: The test unit sends data packets to the test interface, reads the information, judges the rate and signal quality, and feeds back the test results to the industrial computer. In the test step, after the interface is tested, the current interface is identified as the tested interface, and the interface selection step is returned to test the next interface.
具体的，在实际应用中，工作流程如下：Specifically, in practical applications, the workflow is as follows:
1、治具上电上气，打开工控机测试程序，输入工号进入测试模式，在工位放入产品，工位上有光电感应器可确认是否放好产品1. Power on the fixture, open the test program of the industrial computer, enter the job number to enter the test mode, put the product in the station, and there is a photoelectric sensor on the station to confirm whether the product is placed
2、将待测试设备的接口插入测试单元，工控机读取NI6501上的输入口电平变化判断接口质量是否合格且结果通过微处理器(NI6501)反馈给IPC，确认合格后将socket插入netbook接口上。2. Insert the interface of the device to be tested into the test unit, and the industrial computer reads the level change of the input port on the NI6501 to determine whether the interface quality is qualified or not, and the result is fed back to the IPC through the microprocessor (NI6501), and the socket is inserted into the netbook interface after confirmation superior.
3、IPC(工控机)通过网口向平板电脑发送USB3.0测试要求，netbook通过向USB3.0口向USB Board发送数据包和读取信息，判断速率与信号质量，其结果反馈给IPC。3. The IPC (industrial personal computer) sends the USB3.0 test requirements to the tablet computer through the network port, and the netbook sends data packets and read information to the USB Board through the USB3.0 port to judge the rate and signal quality, and the results are fed back to the IPC.
4、IPC(工控机)通过网口向平板电脑发送TYPE C测试要求，通过微处理器的输出来控制Flip Board切换A,B面同时利用USB Board测试A，B面的USB3.0与USB2.0的通讯质量，其结果反馈给IPC。4. The IPC (industrial personal computer) sends the TYPE C test request to the tablet computer through the network port, and controls the Flip Board to switch the A and B sides through the output of the microprocessor. At the same time, the USB Board is used to test the A and B sides of the USB3.0 and USB2. The communication quality is 0, and the result is fed back to IPC.
5、IPC(工控机)通过网口向平板电脑发送Audio Jack测试要求，netbook通过Audio Jack接口向Loopbackmodule发送音频信号，经返回后读取音频信息，结果反馈IPC。5. The IPC (industrial computer) sends the Audio Jack test request to the tablet computer through the network port, and the netbook sends the audio signal to the Loopbackmodule through the Audio Jack interface. After returning, the audio information is read, and the result is fed back to the IPC.
上述实施方式仅为本发明的优选实施方式，不能以此来限定本发明保护的范围，本领域的技术人员在本发明的基础上所做的任何非实质性的变化及替换均属于本发明所要求保护的范围。The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.
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