WO2021164068A1 - Test system for variable-frequency drive - Google Patents
Test system for variable-frequency drive Download PDFInfo
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- WO2021164068A1 WO2021164068A1 PCT/CN2020/078521 CN2020078521W WO2021164068A1 WO 2021164068 A1 WO2021164068 A1 WO 2021164068A1 CN 2020078521 W CN2020078521 W CN 2020078521W WO 2021164068 A1 WO2021164068 A1 WO 2021164068A1
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- G—PHYSICS
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- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
Abstract
A test system for a variable-frequency drive. A processor in the present application can send a control instruction to a control board under test, and can further determine, according to the voltage value of an output terminal of the control board under test measured by a first voltage sensor, whether the control board under test meets standards, and indicates a determination result by means of an indication device. No manual intervention is required throughout the process, thus reducing human labor and increasing work efficiency and accuracy.
Description
本申请要求于2020年02月20日提交至中国专利局、申请号为202010105699.3、发明名称为“一种变频器的测试系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application filed to the Chinese Patent Office on February 20, 2020, the application number is 202010105699.3, and the invention title is "a test system for a frequency converter", the entire content of which is incorporated into this application by reference middle.
本发明涉及变频器领域，特别是涉及一种变频器的测试系统。The invention relates to the field of frequency converters, in particular to a test system for frequency converters.
变频器的质量好坏直接关系到本身的价值和市场的信任度，因此在变频器生产时，就涉及到对于变频器中控制板的测试工作，变频器在实际使用时会与电机相连为电机供电，控制板可以响应于控制指令并向电机输出与控制指令对应的电压，以便实现对电机的控制，现有技术中对变频器中的控制板的测试通常为人工测试，工作人员首先需要通过处理器向控制板发送控制指令，然后工作人员会检测控制板的输出端的电压值，并通过电压值来验证控制板是否合格，由于人工需要参与大量工作，工作效率，还容易造成误测。The quality of the inverter is directly related to its own value and market trust. Therefore, when the inverter is produced, it involves the testing of the control board in the inverter. The inverter will be connected to the motor as a motor during actual use. Power supply, the control board can respond to the control instruction and output a voltage corresponding to the control instruction to the motor, so as to realize the control of the motor. In the prior art, the test of the control board in the frequency converter is usually a manual test, and the staff first needs to pass The processor sends a control command to the control board, and then the staff will detect the voltage value of the output terminal of the control board, and use the voltage value to verify whether the control board is qualified. Due to the manual need to participate in a lot of work, the work efficiency is also easy to cause misdetection.
因此，如何提供一种解决上述技术问题的方案是本领域技术人员目前需要解决的问题。Therefore, how to provide a solution to the above technical problems is a problem that needs to be solved by those skilled in the art at present.
发明内容Summary of the invention
本发明的目的是提供一种变频器的测试系统，全程无需人工参与，解放了人力，提高了工作的效率以及准确率。The purpose of the present invention is to provide a test system for a frequency converter, which does not require manual participation in the whole process, liberates manpower, and improves work efficiency and accuracy.
为解决上述技术问题，本发明提供了一种变频器的测试系统，包括：In order to solve the above technical problems, the present invention provides a test system for a frequency converter, including:
与待测控制板连接的第一电压传感器，用于检测所述待测控制板输出端的电压值；The first voltage sensor connected to the control board to be tested is used to detect the voltage value of the output terminal of the control board to be tested;
与所述待测控制板以及所述第一电压传感器连接的处理器，用于向所述待测控制板发送控制指令，在发送所述控制指令后根据所述待测控制板 输出端的电压值判断所述待测控制板是否合格，并控制提示器提示判定结果；The processor connected to the control board under test and the first voltage sensor is used to send a control instruction to the control board under test, and after sending the control instruction, according to the voltage value of the output terminal of the control board under test Determine whether the control board to be tested is qualified, and control the prompter to prompt the determination result;
所述提示器；The reminder;
分别与所述待测控制板以及所述处理器连接的电源，用于为所述待测控制板以及所述处理器供电。The power supplies respectively connected to the control board to be tested and the processor are used for supplying power to the control board to be tested and the processor.
优选地，该变频器的测试系统还包括：Preferably, the test system of the frequency converter further includes:
设置与所述控制板中预设位置，与所述处理器连接的第二电压传感器，用于检测所述预设位置的电压值；A second voltage sensor connected to a preset position in the control board and connected to the processor is configured to detect the voltage value of the preset position;
则所述处理器还用于在向所述待测控制板发送控制指令前，判断所述预设位置的电压值是否等于预设值；The processor is further configured to determine whether the voltage value of the preset position is equal to the preset value before sending a control instruction to the control board to be tested;
若是，则向所述待测控制板发送控制指令；If yes, send a control instruction to the control board to be tested;
否则提示所述预设位置的电压值不合格。Otherwise, it prompts that the voltage value of the preset position is unqualified.
优选地，所述第一电压传感器以及所述第二电压传感器均为所述待测控制板内部原有的电压传感器。Preferably, the first voltage sensor and the second voltage sensor are both original voltage sensors inside the control board to be tested.
优选地，该变频器的测试系统还包括：Preferably, the test system of the frequency converter further includes:
与所述处理器连接的压接装置，用于通过其将所述待测控制板的控制指令输入端、所述第一电压传感器的输出端以及所述第二电压传感器的输出端均连接至所述处理器。The crimping device connected to the processor is used to connect the control command input terminal of the control board to be tested, the output terminal of the first voltage sensor, and the output terminal of the second voltage sensor to The processor.
优选地，所述压接装置包括：Preferably, the crimping device includes:
第一端与所述处理器连接，第二端悬空的顶针，用于实现所述处理器与所述待测控制板的控制指令输入端、所述第一电压传感器的输出端以及所述第二电压传感器的输出端之间的信号连接；The first end is connected with the processor, and the thimble with the second end suspended is used to realize the control command input end of the processor and the control board under test, the output end of the first voltage sensor, and the first 2. The signal connection between the output terminals of the voltage sensor;
第一端与操作杆连接的连接杆，用于在所述操作杆的驱动下改变固定于自身第二端所述待测控制板的位置；The connecting rod connected to the operating rod at the first end is used to change the position of the control board to be tested fixed at the second end of the operating rod under the drive of the operating rod;
分别与所述连接杆的第二端以及所述待测控制板连接的固定装置，用于将所述待测控制板固定于所述连接杆的第二端；Fixing devices respectively connected to the second end of the connecting rod and the control board to be tested, for fixing the control board to be tested to the second end of the connecting rod;
所述操作杆，用于通过其驱动所述连接杆，将所述待测控制板的控制指令输入端、所述第一电压传感器的输出端以及所述第二电压传感器的输出端连接至所述顶针。The operating rod is used to drive the connecting rod to connect the control command input end of the control board to be tested, the output end of the first voltage sensor, and the output end of the second voltage sensor to the The thimble.
优选地，所述操作杆具体为手柄。Preferably, the operating rod is specifically a handle.
优选地，该变频器的测试系统还包括：Preferably, the test system of the frequency converter further includes:
与所述处理器连接的人机交互装置，用于通过其触发所述处理器开始检测流程。The human-computer interaction device connected to the processor is used to trigger the processor to start the detection process.
优选地，所述人机交互装置以及所述提示器组成的整体为触控屏。Preferably, the whole composed of the human-computer interaction device and the prompter is a touch screen.
优选地，所述控制指令包括高电平以及低电平；Preferably, the control instruction includes a high level and a low level;
所述根据所述待测控制板输出端的电压值判断所述待测控制板是否合格具体为：The judging whether the control board to be tested is qualified according to the voltage value of the output terminal of the control board to be tested is specifically:
判断所述待测控制板输出端的电压值是否与所述控制指令对应的理论电压参考值相同；Judging whether the voltage value of the output terminal of the control board to be tested is the same as the theoretical voltage reference value corresponding to the control instruction;
若是，则判定所述待测控制板合格；If yes, it is determined that the control board to be tested is qualified;
否则判定所述待测控制板不合格。Otherwise, it is determined that the control board to be tested is unqualified.
优选地，该变频器的测试系统还包括：Preferably, the test system of the frequency converter further includes:
设置于所述电源以及所述待测控制板之间的控制开关，用于通过其控制所述待测控制板供电回路的通断。A control switch arranged between the power supply and the control board to be tested is used to control the on-off of the power supply circuit of the control board to be tested.
本发明提供了一种变频器的测试系统，由于本申请中的处理器可以向待测控制板发送控制指令，且还可以根据第一电压传感器检测到的待测控制板输出端的电压值对待测控制板是否合格进行判定，并通过提示器将判定结果提示出来，全程无需人工参与，解放了人力，提高了工作的效率以及准确率。The present invention provides a test system for a frequency converter, because the processor in this application can send control instructions to the control board to be tested, and can also be tested according to the voltage value of the output terminal of the control board to be tested detected by the first voltage sensor Whether the control board is qualified or not is judged, and the judgment result is prompted through a reminder. There is no need for manual participation in the whole process, which liberates manpower and improves work efficiency and accuracy.
为了更清楚地说明本发明实施例中的技术方案，下面将对现有技术和实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly describe the technical solutions in the embodiments of the present invention, the following will briefly introduce the prior art and the drawings needed in the embodiments. Obviously, the drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings.
图1为本发明提供的一种变频器的测试系统的结构示意图；Figure 1 is a schematic structural diagram of a test system for a frequency converter provided by the present invention;
图2为本发明提供的另一种变频器的测试系统的结构示意图。Fig. 2 is a schematic structural diagram of another inverter test system provided by the present invention.
本发明的核心是提供一种变频器的测试系统，全程无需人工参与，解放了人力，提高了工作的效率以及准确率。The core of the present invention is to provide a test system for the frequency converter, which does not require manual participation in the whole process, liberates manpower, and improves work efficiency and accuracy.
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
请参考图1，图1为本发明提供的一种变频器的测试系统的结构示意图，该变频器的测试系统包括：Please refer to Figure 1. Figure 1 is a structural diagram of a test system for an inverter provided by the present invention. The test system for the inverter includes:
与待测控制板连接的第一电压传感器1，用于检测待测控制板输出端的电压值；The first voltage sensor 1 connected to the control board to be tested is used to detect the voltage value of the output terminal of the control board to be tested;
与待测控制板以及第一电压传感器1连接的处理器2，用于向待测控制板发送控制指令，在发送控制指令后根据待测控制板输出端的电压值判断待测控制板是否合格，并控制提示器3提示判定结果；The processor 2 connected to the control board under test and the first voltage sensor 1 is used to send control instructions to the control board under test. After sending the control instructions, judge whether the control board under test is qualified according to the voltage value of the output terminal of the control board under test. And control the prompter 3 to prompt the judgment result;
提示器3； Reminder 3;
分别与待测控制板以及处理器2连接的电源4，用于为待测控制板以及处理器2供电。The power supply 4 respectively connected to the control board to be tested and the processor 2 is used to supply power to the control board to be tested and the processor 2.
具体的，本发明实施例中的处理器2可以向待测控制板发送控制指令，以便待测控制板在接收到控制指令后可以输出与控制指令相对应的电压值(理论上)，相比于现有技术中需要工作人员通过工具测量待测控制板输出端的电压值，本发明实施例中的处理器2可以通过第一电压传感器1检测待测控制板输出端的电压值，而且处理器2可以根据电压值判断待测控制板是否合格，全程无需人工参与，不但节省了人力，而且提高了工作的效率以及准确率。Specifically, the processor 2 in the embodiment of the present invention can send a control instruction to the control board under test, so that the control board under test can output the voltage value (theoretically) corresponding to the control instruction after receiving the control instruction. In the prior art, workers need to use tools to measure the voltage value of the output terminal of the control board to be tested. In the embodiment of the present invention, the processor 2 can detect the voltage value of the output terminal of the control board to be tested through the first voltage sensor 1, and the processor 2 It can judge whether the control board to be tested is qualified according to the voltage value, without manual participation in the whole process, which not only saves manpower, but also improves the efficiency and accuracy of work.
其中，处理器2可以在发送控制指令后的预设时长后获取待测控制板输出端的电压值，以便保证获取到的电压值为待测控制板响应于控制指令输出的电压值，从而提高测试的准确性。Among them, the processor 2 can obtain the voltage value of the output terminal of the control board under test after a preset time period after sending the control instruction, so as to ensure that the obtained voltage value is the voltage value output by the control board under test in response to the control instruction, thereby improving the test Accuracy.
其中，预设时长可以进行自主设定，例如为1s等，本发明实施例在此不做限定。Among them, the preset duration can be set independently, for example, 1s, etc., which is not limited in the embodiment of the present invention.
其中，处理器2可以为多种类型，例如ARM处理器2等，本发明实施例在此不做限定。The processor 2 may be of multiple types, such as an ARM processor 2, which is not limited in the embodiment of the present invention.
具体的，提示器3除了提示判断结果外，还可以在处理器2的控制下将待测控制板输出端的电压值提示出来，以便工作人员对判断结果进行校核，此时，若处理器2本身无法生成与提示器3匹配的数据格式，可以额外增加一个格式转换模块，格式转换模块可以将处理器2得到的电压值转换为提示器3需要的数据格式，其中，格式转换模块可以为多种类型，例如可以为PLC(Programmable Logic Controller，可编程逻辑控制器)等，本发明实施例在此不做限定。Specifically, in addition to prompting the judgment result, the prompter 3 can also prompt the voltage value of the output terminal of the control board to be tested under the control of the processor 2 so that the staff can check the judgment result. At this time, if the processor 2 The data format that matches the prompter 3 cannot be generated by itself, and a format conversion module can be added. The format conversion module can convert the voltage value obtained by the processor 2 into the data format required by the prompter 3. Among them, the format conversion module can be multiple One type, for example, may be PLC (Programmable Logic Controller, Programmable Logic Controller), etc., which is not limited in the embodiment of the present invention.
本发明提供了一种变频器的测试系统，由于本申请中的处理器可以向待测控制板发送控制指令，且还可以根据第一电压传感器检测到的待测控制板输出端的电压值对待测控制板是否合格进行判定，并通过提示器将判定结果提示出来，全程无需人工参与，解放了人力，提高了工作的效率以及准确率。The present invention provides a test system for a frequency converter, because the processor in this application can send control instructions to the control board to be tested, and can also be tested according to the voltage value of the output terminal of the control board to be tested detected by the first voltage sensor Whether the control board is qualified or not is judged, and the judgment result is prompted through a reminder. There is no need for manual participation in the whole process, which liberates manpower and improves work efficiency and accuracy.
在上述实施例的基础上：On the basis of the above embodiment:
为了更好地对本发明实施例进行说明，请参考图2，图2为本发明提供的另一种变频器的测试系统的结构示意图，作为一种优选的实施例，该变频器的测试系统还包括：In order to better describe the embodiments of the present invention, please refer to Figure 2. Figure 2 is a schematic structural diagram of another inverter test system provided by the present invention. As a preferred embodiment, the inverter test system also include:
设置与控制板中预设位置，与处理器2连接的第二电压传感器5，用于检测预设位置的电压值；The second voltage sensor 5 connected to the processor 2 in the preset position in the control board is used to detect the voltage value of the preset position;
则处理器2还用于在向待测控制板发送控制指令前，判断预设位置的电压值是否等于预设值；Then the processor 2 is also used to determine whether the voltage value of the preset position is equal to the preset value before sending a control instruction to the control board to be tested;
若是，则向待测控制板发送控制指令；If yes, send a control command to the control board to be tested;
否则提示预设位置的电压值不合格。Otherwise, it prompts that the voltage value of the preset position is unqualified.
具体的，待测控制板在上电后，其多个位置的电压值通常呈现出定值，例如包括+5V、+10V、±15V、25V以及3.3V等多个位置，只有这些位置 的电压值正常，才能够代表待测控制板初步正常，可以进行后续的测试，若这些位置的电压值本身就不正常，那么便代表该待测控制板不合格，无需再进行后续的测试步骤，因此，本发明实施例中可以对预设位置的电压值进行检测，并判断预设位置的电压值是否等于预设值，只有在当预设位置的电压值等于预设值时才进行后续的测试步骤。Specifically, after the control board to be tested is powered on, the voltage values of its multiple positions usually show a fixed value, for example, including +5V, +10V, ±15V, 25V, and 3.3V, etc., and only the voltage at these positions If the value is normal, it can represent that the control board under test is initially normal, and subsequent tests can be carried out. If the voltage value at these positions is not normal, it means that the control board under test is unqualified and no subsequent test steps are required. In the embodiment of the present invention, the voltage value of the preset position can be detected, and the voltage value of the preset position can be judged whether the voltage value of the preset position is equal to the preset value, and the subsequent test is performed only when the voltage value of the preset position is equal to the preset value step.
其中，预设位置可以为多个，例如+5V、+10V、±15V、25V以及3.3V的位置等，本发明实施例在此不做限定。There may be multiple preset positions, such as positions of +5V, +10V, ±15V, 25V, and 3.3V, which are not limited in the embodiment of the present invention.
作为一种优选的实施例，第一电压传感器1以及第二电压传感器5均为待测控制板内部原有的电压传感器。As a preferred embodiment, the first voltage sensor 1 and the second voltage sensor 5 are both original voltage sensors inside the control board to be tested.
具体的，采用待测控制板内部原有的电压传感器作为第一电压传感器1以及第二电压传感器5可以节省成本，而且待测控制板内部原有的电压传感器的准确性较高。Specifically, using the original voltage sensors inside the control board to be tested as the first voltage sensor 1 and the second voltage sensor 5 can save costs, and the accuracy of the original voltage sensors inside the control board to be tested is relatively high.
当然，除了待测控制板内部原有的电压传感器外，第一电压传感器1以及第二电压传感器5还可以为外部独立设置的电压传感器，本发明实施例在此不做限定。Of course, in addition to the original voltage sensor inside the control board to be tested, the first voltage sensor 1 and the second voltage sensor 5 may also be independent external voltage sensors, which are not limited in the embodiment of the present invention.
作为一种优选的实施例，该变频器的测试系统还包括：As a preferred embodiment, the test system of the frequency converter further includes:
与处理器2连接的压接装置6，用于通过其将待测控制板的控制指令输入端、第一电压传感器1的输出端以及第二电压传感器5的输出端均连接至处理器2。The crimping device 6 connected to the processor 2 is used to connect the control command input end of the control board to be tested, the output end of the first voltage sensor 1 and the output end of the second voltage sensor 5 to the processor 2 through it.
具体的，本发明实施例中的变频器的测试系统可以对不同的待测控制板进行测试，因此在测试完其中一个待测控制板后还需要安装其他的待测控制板进行测试，因此就涉及到了待测控制板的接线问题，为了便于对待测控制板进行接线，本发明实施例中设置了压接装置6，可以通过压接装置6将待测控制板的控制指令输入端、第一电压传感器1的输出端以及第二电压传感器5的输出端均连接至处理器2，节省了大量的接线时间，进一步地提高了工作效率。Specifically, the test system of the inverter in the embodiment of the present invention can test different control boards to be tested. Therefore, after testing one of the control boards to be tested, it is necessary to install other control boards to be tested for testing. Involving the wiring problem of the control board to be tested, in order to facilitate the wiring of the control board to be tested, a crimping device 6 is provided in the embodiment of the present invention, and the control command input terminal and the first The output terminal of the voltage sensor 1 and the output terminal of the second voltage sensor 5 are both connected to the processor 2, which saves a lot of wiring time and further improves work efficiency.
作为一种优选的实施例，压接装置6包括：As a preferred embodiment, the crimping device 6 includes:
第一端与处理器2连接，第二端悬空的顶针，用于实现处理器2与待测控制板的控制指令输入端、第一电压传感器1的输出端以及第二电压传感器5的输出端之间的信号连接；The first end is connected to the processor 2, and the second end is a floating thimble, which is used to realize the control command input end of the processor 2 and the control board under test, the output end of the first voltage sensor 1 and the output end of the second voltage sensor 5 Signal connection between;
第一端与操作杆连接的连接杆，用于在操作杆的驱动下改变固定于自身第二端待测控制板的位置；The connecting rod connected to the operating rod at the first end is used to change the position of the control board to be tested fixed at the second end of the operating rod under the drive of the operating rod;
分别与连接杆的第二端以及待测控制板连接的固定装置，用于将待测控制板固定于连接杆的第二端；Fixing devices respectively connected to the second end of the connecting rod and the control board to be tested are used to fix the control board to be tested to the second end of the connecting rod;
操作杆，用于通过其驱动连接杆，将待测控制板的控制指令输入端、第一电压传感器1的输出端以及第二电压传感器5的输出端连接至顶针。The operating rod is used to drive the connecting rod to connect the control command input end of the control board to be tested, the output end of the first voltage sensor 1 and the output end of the second voltage sensor 5 to the thimble.
具体的，顶针的第一端可以与处理器2连接好，顶针的第一端具体分别可以和处理器2的控制指令输出端以及电压值检测端连接，用户可以通过操作杆驱动连接杆，从而将连接杆上的待测控制板移动，以便将待测控制板上的控制指令输入端、第一电压传感器1的输出端以及第二电压传感器5的输出端连接至顶针的第二端，这其中，顶针通常可以为多个，例如第一顶针用于连接处理器2的控制指令输出端以及待测控制板上的控制指令输入端，第二顶针可以用于连接处理器2的第一电压值检测端以及第一电压传感器1的输出端，第三顶针可以用于连接处理器2的第二电压值检测端以及第二电压传感器5的输出端等，从而实现处理器2以及待测控制板各个对应的引脚之间的连接，本发明实施例在此不做限定。Specifically, the first end of the thimble can be connected to the processor 2, and the first end of the thimble can be specifically connected to the control command output terminal and the voltage value detection terminal of the processor 2, and the user can drive the connecting rod through the operating rod, thereby Move the control board under test on the connecting rod to connect the control command input end, the output end of the first voltage sensor 1 and the output end of the second voltage sensor 5 on the control board under test to the second end of the thimble. Among them, the thimble can usually be multiple, for example, the first thimble is used to connect the control instruction output end of the processor 2 and the control instruction input end of the control board to be tested, and the second thimble can be used to connect the first voltage of the processor 2 The value detection terminal and the output terminal of the first voltage sensor 1, and the third thimble can be used to connect the second voltage value detection terminal of the processor 2 and the output terminal of the second voltage sensor 5, etc., so as to realize the processor 2 and the control under test The connection between each corresponding pin of the board is not limited in the embodiment of the present invention.
其中，上述的连接杆可以为多种材质，本发明实施例在此不做限定。Wherein, the above-mentioned connecting rod can be made of multiple materials, which is not limited in the embodiment of the present invention.
其中，上述的顶针可以为多种类型，本发明实施例在此不做限定。Among them, the above-mentioned thimble may be of multiple types, which are not limited in the embodiment of the present invention.
作为一种优选的实施例，操作杆具体为手柄。As a preferred embodiment, the operating rod is specifically a handle.
具体的，手柄具有体积小、使用方便以及成本低等优点。Specifically, the handle has the advantages of small size, convenient use, and low cost.
当然，除了手柄外，操作杆还可以为其他类型，本发明实施例在此不做限定。Of course, in addition to the handle, the operating rod may also be of other types, which is not limited in the embodiment of the present invention.
作为一种优选的实施例，该变频器的测试系统还包括：As a preferred embodiment, the test system of the frequency converter further includes:
与处理器2连接的人机交互装置7，用于通过其触发处理器2开始检测流程。The human-computer interaction device 7 connected to the processor 2 is used to trigger the processor 2 to start the detection process through it.
具体的，为了便于工作人员对整个测试流程开始动作的控制，本发明实施例中设置了人机交互装置7，工作人员可以在连接好待测控制板后控制处理器2开始检测流程，处理器2接着便可以执行前述的测试流程，使得测试过程的可控性以及可靠性增强。Specifically, in order to facilitate the staff to control the start of the entire test process, a human-computer interaction device 7 is provided in the embodiment of the present invention. The staff can control the processor 2 to start the test process after connecting the control board to be tested. 2 Then the aforementioned test procedure can be executed, which enhances the controllability and reliability of the test process.
其中，考虑到不同类型的控制板响应于控制指令具有不同的输出电压值，因此工作人员还可以在测试开始之前，通过本发明实施例中的人机交互装置7对处理器2中的理论电压参考值进行设定，设定的具体过程可以为多种，为了方便，可以在处理器2中预存多种不同类型的控制板的理论电压参考值，在对某种类型的控制板进行测试时仅需通过人机交互装置7对待测控制板的类型进行选定，处理器2便可以根据选定类型的控制板对应的理论电压参考值对待测控制板进行测试，本发明实施例在此不做限定。Among them, considering that different types of control boards have different output voltage values in response to control commands, the staff can also use the human-computer interaction device 7 in the embodiment of the present invention to determine the theoretical voltage in the processor 2 before the test starts. The reference value is set, and the specific process of setting can be various. For convenience, the theoretical voltage reference value of a variety of different types of control boards can be pre-stored in the processor 2. When testing a certain type of control board The type of control board to be tested only needs to be selected through the human-computer interaction device 7, and the processor 2 can test the control board to be tested according to the theoretical voltage reference value corresponding to the selected type of control board. Make a limit.
作为一种优选的实施例，人机交互装置7以及提示器3组成的整体为触控屏。As a preferred embodiment, the whole composed of the human-computer interaction device 7 and the prompter 3 is a touch screen.
具体的，触控屏具有体积小、提示直观以及操纵方便等优点。Specifically, the touch screen has the advantages of small size, intuitive prompts, and convenient operation.
当然，除了触控屏外，人机交互装置7以及提示器3分别还可以为其他类型，本发明实施例在此不做限定。Of course, in addition to the touch screen, the human-computer interaction device 7 and the prompter 3 may also be of other types, which are not limited in the embodiment of the present invention.
作为一种优选的实施例，控制指令包括高电平以及低电平；As a preferred embodiment, the control command includes a high level and a low level;
根据待测控制板输出端的电压值判断待测控制板是否合格具体为：According to the voltage value of the output terminal of the control board to be tested, it is determined whether the control board to be tested is qualified or not specifically as follows:
判断待测控制板输出端的电压值是否与控制指令对应的理论电压参考值相同；Determine whether the voltage value of the output terminal of the control board to be tested is the same as the theoretical voltage reference value corresponding to the control command;
若是，则判定待测控制板合格；If yes, it is judged that the control board to be tested is qualified;
否则判定待测控制板不合格。Otherwise, the control board to be tested is judged to be unqualified.
具体的，控制指令通常可以为高电平以及低电平，响应于不同的控制指令，待测控制板可以输出不同的电压值，例如响应于高电平可以输出3.5V的电压值等，因此本申请可以通过判断待测控制板输出端的电压值是否与控制指令对应的理论电压参考值相同来判断待测控制板是否合格。Specifically, the control command can usually be a high level or a low level. In response to different control commands, the control board under test can output different voltage values, for example, it can output a voltage value of 3.5V in response to a high level. Therefore, This application can determine whether the control board to be tested is qualified by judging whether the voltage value of the output terminal of the control board to be tested is the same as the theoretical voltage reference value corresponding to the control command.
当然，控制指令除了高低电平外，还可以为其他类型，本发明实施例在此不做限定。Of course, in addition to high and low levels, the control commands can also be of other types, which are not limited in the embodiment of the present invention.
其中，理论电压参考值可以为多种，其与待测控制板的类型有关，也与控制指令有关，本发明实施例在此不做限定。Among them, the theoretical voltage reference value can be multiple, which is related to the type of the control board to be tested and also related to the control command, which is not limited in the embodiment of the present invention.
作为一种优选的实施例，该变频器的测试系统还包括：As a preferred embodiment, the test system of the frequency converter further includes:
设置于电源4以及待测控制板之间的控制开关8，用于通过其控制待测控制板供电回路的通断。The control switch 8 arranged between the power source 4 and the control board under test is used to control the on and off of the power supply circuit of the control board under test.
具体的，考虑到在测试结束后，通常需要断开待测控制板的电源4以便将待测控制板拆卸下来，此时无需将处理器2以及提示器3等的电源4断开，因此本发明实施例中设置了设置于电源4以及待测控制板之间的控制开关8，可以通过控制开关8快捷安全地断开待测控制板的供电从而将其安全地拆下，与此同时工作人员还可以通过提示器3看到相关测试数据，不影响工作人员对提示器3上的测试数据的分析。Specifically, considering that after the test is over, it is usually necessary to disconnect the power supply 4 of the control board to be tested in order to remove the control board to be tested. At this time, there is no need to disconnect the power supply 4 of the processor 2 and the prompter 3, etc., so this In the embodiment of the invention, a control switch 8 is provided between the power supply 4 and the control board to be tested. The control switch 8 can be used to quickly and safely disconnect the power supply of the control board to be tested so that it can be safely removed and work at the same time. The personnel can also see the relevant test data through the reminder 3, which does not affect the analysis of the test data on the reminder 3 by the staff.
其中，控制开关8可以为多种类型，例如可以为刀闸式开关等，本发明实施例在此不做限定。Among them, the control switch 8 may be of multiple types, for example, it may be a knife switch, etc., which is not limited in the embodiment of the present invention.
值得一提的是，为了提高本申请中变频器的测试系统的整体性，可以设置一个外壳，外壳可以将以上测试系统中的各个部分固定成为一个整体，提高了变频器的测试系统的整体性。It is worth mentioning that in order to improve the integrity of the test system of the inverter in this application, a shell can be provided, which can fix the various parts of the above test system into a whole, which improves the integrity of the test system of the inverter. .
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referred to each other.
还需要说明的是，在本说明书中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个......”限定的要素，并不排除在包括该要素的过程、方法、物品或者设备中还存在另外的相同要素。It should also be noted that in this specification, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these entities or operations. There is any such actual relationship or sequence between operations. Moreover, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes those that are not explicitly listed Other elements of, or also include elements inherent to this process, method, article or equipment. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, article, or equipment that includes the element.
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其他实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown in this document, but should conform to the widest scope consistent with the principles and novel features disclosed in this document.
Claims (10)
- 一种变频器的测试系统，其特征在于，包括：A test system for a frequency converter, which is characterized in that it comprises:与待测控制板连接的第一电压传感器，用于检测所述待测控制板输出端的电压值；The first voltage sensor connected to the control board to be tested is used to detect the voltage value of the output terminal of the control board to be tested;与所述待测控制板以及所述第一电压传感器连接的处理器，用于向所述待测控制板发送控制指令，在发送所述控制指令后根据所述待测控制板输出端的电压值判断所述待测控制板是否合格，并控制提示器提示判定结果；The processor connected to the control board under test and the first voltage sensor is used to send a control instruction to the control board under test, and after sending the control instruction, according to the voltage value of the output terminal of the control board under test Determine whether the control board to be tested is qualified, and control the prompter to prompt the determination result;所述提示器；The reminder;分别与所述待测控制板以及所述处理器连接的电源，用于为所述待测控制板以及所述处理器供电。The power supplies respectively connected to the control board to be tested and the processor are used for supplying power to the control board to be tested and the processor.
- 根据权利要求1所述的变频器的测试系统，其特征在于，该变频器的测试系统还包括：The test system of the frequency converter according to claim 1, wherein the test system of the frequency converter further comprises:设置与所述控制板中预设位置，与所述处理器连接的第二电压传感器，用于检测所述预设位置的电压值；A second voltage sensor connected to a preset position in the control board and connected to the processor is configured to detect the voltage value of the preset position;则所述处理器还用于在向所述待测控制板发送控制指令前，判断所述预设位置的电压值是否等于预设值；The processor is further configured to determine whether the voltage value of the preset position is equal to the preset value before sending a control instruction to the control board to be tested;若是，则向所述待测控制板发送控制指令；If yes, send a control instruction to the control board to be tested;否则提示所述预设位置的电压值不合格。Otherwise, it prompts that the voltage value of the preset position is unqualified.
- 根据权利要求2所述的变频器的测试系统，其特征在于，所述第一电压传感器以及所述第二电压传感器均为所述待测控制板内部原有的电压传感器。The test system of the frequency converter according to claim 2, wherein the first voltage sensor and the second voltage sensor are both original voltage sensors inside the control board to be tested.
- 根据权利要求3所述的变频器的测试系统，其特征在于，该变频器的测试系统还包括：The test system of the frequency converter according to claim 3, wherein the test system of the frequency converter further comprises:与所述处理器连接的压接装置，用于通过其将所述待测控制板的控制指令输入端、所述第一电压传感器的输出端以及所述第二电压传感器的输出端均连接至所述处理器。The crimping device connected to the processor is used to connect the control command input terminal of the control board to be tested, the output terminal of the first voltage sensor, and the output terminal of the second voltage sensor to The processor.
- 根据权利要求4所述的变频器的测试系统，其特征在于，所述压接装置包括：The test system of the frequency converter according to claim 4, wherein the crimping device comprises:第一端与所述处理器连接，第二端悬空的顶针，用于实现所述处理器与所述待测控制板的控制指令输入端、所述第一电压传感器的输出端以及所述第二电压传感器的输出端之间的信号连接；The first end is connected with the processor, and the thimble with the second end suspended is used to realize the control command input end of the processor and the control board under test, the output end of the first voltage sensor, and the first 2. The signal connection between the output terminals of the voltage sensor;第一端与操作杆连接的连接杆，用于在所述操作杆的驱动下改变固定于自身第二端所述待测控制板的位置；The connecting rod connected to the operating rod at the first end is used to change the position of the control board to be tested fixed at the second end of the operating rod under the drive of the operating rod;分别与所述连接杆的第二端以及所述待测控制板连接的固定装置，用于将所述待测控制板固定于所述连接杆的第二端；Fixing devices respectively connected to the second end of the connecting rod and the control board to be tested, for fixing the control board to be tested to the second end of the connecting rod;所述操作杆，用于通过其驱动所述连接杆，将所述待测控制板的控制指令输入端、所述第一电压传感器的输出端以及所述第二电压传感器的输出端连接至所述顶针。The operating rod is used to drive the connecting rod to connect the control command input end of the control board to be tested, the output end of the first voltage sensor, and the output end of the second voltage sensor to the The thimble.
- 根据权利要求5所述的变频器的测试系统，其特征在于，所述操作杆具体为手柄。The test system of the frequency converter according to claim 5, wherein the operating rod is specifically a handle.
- 根据权利要求1所述的变频器的测试系统，其特征在于，该变频器的测试系统还包括：The test system of the frequency converter according to claim 1, wherein the test system of the frequency converter further comprises:与所述处理器连接的人机交互装置，用于通过其触发所述处理器开始检测流程。The human-computer interaction device connected to the processor is used to trigger the processor to start the detection process.
- 根据权利要求7所述的变频器的测试系统，其特征在于，所述人机交互装置以及所述提示器组成的整体为触控屏。The test system of the frequency converter according to claim 7, wherein the whole composed of the human-computer interaction device and the prompter is a touch screen.
- 根据权利要求1所述的变频器的测试系统，其特征在于，所述控制指令包括高电平以及低电平；The test system of the frequency converter according to claim 1, wherein the control command includes a high level and a low level;所述根据所述待测控制板输出端的电压值判断所述待测控制板是否合格具体为：The judging whether the control board to be tested is qualified according to the voltage value of the output terminal of the control board to be tested is specifically:判断所述待测控制板输出端的电压值是否与所述控制指令对应的理论电压参考值相同；Judging whether the voltage value of the output terminal of the control board to be tested is the same as the theoretical voltage reference value corresponding to the control instruction;若是，则判定所述待测控制板合格；If yes, it is determined that the control board to be tested is qualified;否则判定所述待测控制板不合格。Otherwise, it is determined that the control board to be tested is unqualified.
- 根据权利要求1至9任一项所述的变频器的测试系统，其特征在于，该变频器的测试系统还包括：The test system for the frequency converter according to any one of claims 1 to 9, wherein the test system for the frequency converter further comprises:设置于所述电源以及所述待测控制板之间的控制开关，用于通过其控制所述待测控制板供电回路的通断。A control switch arranged between the power supply and the control board to be tested is used to control the on-off of the power supply circuit of the control board to be tested.
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| CN202010105699.3A CN111257674A (en) | 2020-02-20 | 2020-02-20 | Test system of converter |
| CN202010105699.3 | 2020-02-20 |
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| WO2021164068A1 true WO2021164068A1 (en) | 2021-08-26 |
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| CN111257674A (en) | 2020-06-09 |
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