A control system and method for electric energy meter testing equipment

Abstract

The present invention discloses a control system and method for electric energy meter test equipment, which is used to control several test equipments, wherein the control system includes: a data detection module, which is electrically connected to a tested prototype and detects the output data of the tested prototype; a data reading module, which is electrically connected to the data detection module and the equipment control module, receives the detection data output by the data detection module and sends it to the equipment control module; the equipment control module controls the operation and stop of several test equipments through a power supply module, and controls the working mode sequence and corresponding operation time of several test equipments to realize uninterrupted testing of the tested prototype. By realizing full process control of the test equipment, it avoids the process interruption caused by human control during the test process to affect the accuracy of the test results, ensures the continuity of the test, improves the test efficiency, saves labor costs, realizes dynamic monitoring of the test process, and improves the controllability of the test.

Description

Technical Field

[0001] The present invention relates to the technical field of electric energy meter testing, and in particular to an electric energy meter testing equipment control system and method. Background Art

[0002] The testing standards for the new generation of smart energy meters have put forward higher requirements on the quality and life of energy meters. In order to further improve the quality and life of energy meters, reliability testing methods are generally used to verify the design quality and manufacturing quality of smart energy meters, and reliability evaluation research is conducted on samples to estimate the quality and life of smart energy meters.

[0003] At present, the reliability test of smart electricity meters requires the test prototype to run continuously for hundreds of hours in a laboratory environment. Since the entire experimental process is currently controlled manually, the continuity of the entire experimental cycle cannot be guaranteed. Therefore, the test process does not meet the requirements of the reliability test standards. There are also problems such as long test time, low equipment utilization, and large amount of data recording. Summary of the invention

[0004] The purpose of the embodiments of the present invention is to provide an electric energy meter test equipment control system and control method, which realizes full process control of the test equipment for reliability testing of the electric energy meter, ensures the continuity of the reliability test of the electric energy meter, avoids interruption of the test process due to human control during the test of the electric energy meter, and thus affects the accuracy of the reliability test results of the electric energy meter.

[0005] In order to solve the above technical problems, a first aspect of an embodiment of the present invention provides an electric energy meter test equipment control system, which is used to control a plurality of test equipments, including:

[0006] Data detection module, data reading module, equipment control module and power supply module;

[0007] The data detection module is electrically connected to the tested sample machine and detects the output data of the tested sample machine;

[0008] The data reading module is electrically connected to the data detection module and the device control module, receives the detection data output by the data detection module and sends it to the device control module;

[0009] The device control module controls the operation and stop of the plurality of test devices through the power supply module, and controls the working mode sequence and corresponding operation time of the plurality of test devices to achieve uninterrupted testing of the tested sample.

[0010] The device control module also controls the electrical parameters output by the power module;

[0011] Wherein, the electrical parameters include the output voltage, output current and / or power factor of the power module.

[0012] Further, the data detection module includes: an error tester and / or a clock checker;

[0013] The detection data output by the data detection module includes: measurement error data and / or clock error data.

[0014] Furthermore, the electric energy meter test equipment control system further comprises: a test case management module;

[0015] The test case management module is electrically connected to the device control module, and is used to store the reliability test cases of the tested samples, and to set the scope, risk and / or priority level of the reliability test cases.

[0016] Furthermore, the reliability test cases include: high and low temperature test cases, high temperature and high humidity test cases, double 85 test cases, highly accelerated stress test cases and highly accelerated life test cases;

[0017] Among them, different reliability test cases correspond to different electrical parameters of the power module.

[0018] Furthermore, the electric energy meter test equipment control system also includes a test report generation module;

[0019] The test report generation module is electrically connected to the device control module;

[0020] The test report generating module generates a test report of the tested sample according to the test data received by the equipment control module.

[0021] Furthermore, the electric energy meter test equipment control system also includes a state detection module;

[0022] The state detection module is electrically connected to the data detection module and the device control module respectively;

[0023] If the state detection module does not receive the detection data within a preset time, the device control module controls the plurality of test devices to stop running.

[0024] A second aspect of an embodiment of the present invention provides a method for controlling an electric energy meter test device, which is used to control the electric energy meter test device control system, and comprises the following steps:

[0025] Selecting test cases of several test devices, and determining the working mode sequence and corresponding running time of the several test devices, wherein different test cases correspond to different electrical parameters of the power module;

[0026] The plurality of test devices are controlled to test the tested sample machine uninterruptedly in the order of the working mode, and the test data output by the data detection device is obtained.

[0027] Furthermore, the above-mentioned electric energy meter test equipment control method also includes:

[0028] Saving the detection data output by the data detection device;

[0029] A test report of the tested sample machine is generated according to the test data output by the data detection device.

[0030] Furthermore, it also includes:

[0031] Receiving detection data output by the data detection module;

[0032] Determine whether the detection data is received within a preset time;

[0033] If the detection data can be received within the preset time, controlling the plurality of test devices to continue to operate according to the current working state;

[0034] If the detection data is not received within the preset time, the plurality of test devices are controlled to stop running.

[0035] The above technical solution of the embodiment of the present invention has the following beneficial technical effects:

[0036] By achieving full process control of the test equipment for reliability testing of the electric energy meter, interruptions in the test process caused by human control during the test of the electric energy meter are avoided, which in turn affects the accuracy of the reliability test results of the electric energy meter. The continuity of the reliability test of the electric energy meter is ensured, the test efficiency of the electric energy meter is improved, labor costs are saved, and dynamic monitoring of the test process of the electric energy meter is realized, thereby improving the controllability of the electric energy meter test. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 The control system principle of the electric energy meter test equipment provided by the embodiment of the present invention Figure 1 ;

[0038] Figure 2 The control system principle of the electric energy meter test equipment provided by the embodiment of the present invention Figure 2 ;

[0039] Figure 3 The process of the electric energy meter test equipment control method provided by the embodiment of the present invention is Figure 1 ;

[0040] Figure 4 The process of the electric energy meter test equipment control method provided by the embodiment of the present invention is Figure 2 . DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0042] Figure 1 The control system principle of the electric energy meter test equipment provided by the embodiment of the present invention Figure 1 .

[0043] Please refer to Figure 1 The first aspect of the embodiment of the present invention provides an electric energy meter test equipment control system for controlling a plurality of test equipment, including: a data detection module, a data reading module, a device control module and a power module. The data detection module is electrically connected to the tested sample to detect the output data of the tested sample; the data reading module is electrically connected to the data detection module and the device control module to receive the detection data output by the data detection module and send it to the device control module; the device control module controls the operation and stop of a plurality of test equipment through the power module, and controls the working mode sequence and corresponding operation time of a plurality of test equipment to realize uninterrupted testing of the tested sample.

[0044] The above technical solution realizes full process control through the test equipment for testing the electric energy meter, avoiding the interruption of the test process caused by human control during the test of the electric energy meter, thereby affecting the accuracy of the test results of the electric energy meter, ensuring the continuity of the electric energy meter test, improving the test efficiency of the electric energy meter, saving labor costs, and realizing dynamic monitoring of the electric energy meter test process, thereby improving the controllability of the electric energy meter test.

[0045] Specifically, the test equipment can be an alternating damp heat test equipment, a high and low temperature chamber and / or a sunlight radiation test equipment, and the above test equipment is only used to illustrate the implementation process of this embodiment, and the present invention is not limited thereto. Optionally, the above test equipment is electrically connected to the device control module via an RS-232 serial communication interface.

[0046] Optionally, the device control module power module also controls the electrical parameters of the power module. The electrical parameters include the output voltage, output current and / or power factor of the power module. The voltage and current of the power module are adjustable, the adjustable range of the voltage is 0V-420V, and the adjustable range of the current is 0A-120A, so as to ensure the reliability test of the full voltage working range of the tested prototype of the energy meter.

[0047] In a specific implementation of this embodiment, the data detection module includes: an error tester and / or a clock calibrator. The test data of several tested prototypes include: measurement error data and / or clock error data. Optionally, the error tester and the clock calibrator are electrically connected to the device control module via an RS-232 serial communication interface. Specifically, the pulse terminal and the clock terminal of the tested prototype are connected to the error tester and the clock calibrator respectively.

[0048] Figure 2 The control system principle of the electric energy meter test equipment provided by the embodiment of the present invention Figure 2 .

[0049] Please refer to Figure 2 The electric energy meter test equipment control system also includes: a test case management module. The test case management module is electrically connected to the equipment control module and is used to store reliability test cases of the tested samples and set the scope, risk and / or priority of the reliability test cases. Specifically,

[0050] Reliability test cases include: high and low temperature test cases, high temperature and high humidity test cases, double 85 test cases, highly accelerated stress test cases and highly accelerated life test cases;

[0051] Among them, different reliability test cases correspond to different electrical parameters of the power module.

[0052] Optionally, the electric energy meter test equipment control system also includes: a test report generation module.

[0053] The test report generation module is electrically connected to the equipment control module;

[0054] The test report generation module generates a test report of the tested sample according to the test data received by the equipment control module.

[0055] Optionally, the device control module is electrically connected to the power module, the test device and the data detection module via a one-to-eight serial port.

[0056] In a specific implementation of this embodiment, the electric energy meter test equipment control system further includes: a state detection module.

[0057] The state detection module is electrically connected to the data detection module and the device control module respectively;

[0058] If the status detection module does not receive the detection data within the preset time, the device control module controls several test devices to stop running.

[0059] Figure 3 It is a flow chart of a first control method of an electric energy meter testing device provided in an embodiment of the present invention.

[0060] Please refer to Figure 3 A second aspect of an embodiment of the present invention provides a method for controlling an electric energy meter test device, which is used to control the electric energy meter test device control system, and comprises the following steps:

[0061] S100, selecting test cases of several test devices, determining the working mode sequence and corresponding running time of the several test devices, wherein different test cases correspond to different electrical parameters of the power module.

[0062] S200, controlling a plurality of test devices to continuously test the tested sample machine in a working mode sequence, and obtaining the test data output by the data detection device.

[0063] Furthermore, the above-mentioned electric energy meter test equipment control method also includes:

[0064] S300, saving the detection data output by the data detection device.

[0065] S400, generating a test report of the tested sample according to the test data output by the data detection device.

[0066] Figure 4 The process of the electric energy meter test equipment control method provided by the embodiment of the present invention is Figure 2 .

[0067] Please refer to Figure 4 The above-mentioned electric energy meter test equipment control method further includes the following steps:

[0068] S500, receiving detection data output by a data detection module.

[0069] S600, determining whether detection data is received within a preset time.

[0070] S700, if the detection data can be received within the preset time, control several test devices to continue to operate according to the current working status.

[0071] S800: If no detection data is received within a preset time, several test devices are controlled to stop running.

[0072] The embodiment of the present invention aims to protect a control system and method for electric energy meter test equipment, which is used to control a number of test equipment, wherein the control system includes: a data detection module, a data reading module, a device control module and a power module; the data detection module is electrically connected to the tested sample to detect the output data of the tested sample; the data reading module is electrically connected to the data detection module and the device control module, receives the detection data output by the data detection module and sends it to the device control module; the device control module controls the operation and stop of a number of test equipment through the power module, and controls the working mode sequence and corresponding operating time of a number of test equipment to achieve uninterrupted testing of the tested sample. The above technical solution has the following effects:

[0073] By achieving full process control of the test equipment for reliability testing of the electric energy meter, interruptions in the test process caused by human control during the test of the electric energy meter are avoided, which in turn affects the accuracy of the reliability test results of the electric energy meter. The continuity of the reliability test of the electric energy meter is ensured, the test efficiency of the electric energy meter is improved, labor costs are saved, and dynamic monitoring of the test process of the electric energy meter is realized, thereby improving the controllability of the electric energy meter test.

[0074] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. An electric energy meter test equipment control system, used to control a plurality of test equipment, characterized in that: include: Data detection module, data reading module, equipment control module and power supply module; The data detection module is electrically connected to the tested sample machine and detects the output data of the tested sample machine; The data reading module is electrically connected to the data detection module and the device control module, receives the detection data output by the data detection module and sends it to the device control module; The device control module controls the operation and stop of the plurality of test devices through the power supply module, and controls the working mode sequence and corresponding operating time of the plurality of test devices to achieve uninterrupted testing of the tested sample; The test device is electrically connected to the device control module via an RS-232 serial communication interface.

2. The electric energy meter test equipment control system according to claim 1, characterized in that: The device control module also controls the electrical parameters output by the power module; Wherein, the electrical parameters include the output voltage, output current and / or power factor of the power module.

3. The electric energy meter test equipment control system according to claim 1, characterized in that: The data detection module includes: an error tester and / or a clock checker; The detection data output by the data detection module includes: measurement error data and / or clock error data.

4. The electric energy meter test equipment control system according to claim 1, characterized in that: Also includes: Test case management module; The test case management module is electrically connected to the device control module, and is used to store the reliability test cases of the tested sample machine, and to set the scope, risk and / or priority level of the reliability test cases.

5. The electric energy meter test equipment control system according to claim 4, characterized in that: The reliability test cases include: high and low temperature test cases, high temperature and high humidity test cases, double 85 test cases, high accelerated stress test cases and high accelerated life test cases; Among them, different reliability test cases correspond to different electrical parameters of the power module.

6. The electric energy meter test equipment control system according to claim 1, characterized in that: Also includes a test report generation module; The test report generation module is electrically connected to the device control module; The test report generating module generates a test report of the tested sample according to the test data received by the equipment control module.

7. The electric energy meter test equipment control system according to claim 1, characterized in that: Also includes a status detection module; The state detection module is electrically connected to the data detection module and the device control module respectively; If the state detection module does not receive the detection data within a preset time, the device control module controls the plurality of test devices to stop running.

8. A method for controlling an electric energy meter test device, characterized in that: A control system for controlling an electric energy meter test device according to any one of claims 1 to 7, comprising the following steps: Selecting test cases of several test devices, determining the working mode sequence and corresponding running time of the several test devices, wherein different test cases correspond to different electrical parameters of the power module; The plurality of test devices are controlled to test the tested sample machine uninterruptedly in the order of the working mode, and the test data output by the data detection device is obtained.

9. The electric energy meter test equipment control method according to claim 8, characterized in that: Also includes: Saving the detection data output by the data detection device; A test report of the tested sample machine is generated according to the test data output by the data detection device.

10. A method for controlling electric energy meter testing equipment according to claim 8 or 9, characterized in that: Also includes: Receiving detection data output by the data detection module; Determine whether the detection data is received within a preset time; If the detection data can be received within the preset time, controlling the plurality of test devices to continue to operate according to the current working state; If the detection data is not received within the preset time, the plurality of test devices are controlled to stop running.

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