HDC dual-mode module production measurement method and system based on Balun circuit

Abstract

The invention relates to the technical field of electric power, in particular to an HDC dual-mode module production measurement method and system based on a balun circuit. The method comprises the steps that bar code information of all to-be-detected HDC dual-mode modules is obtained through scanning and input into an upper computer system, and the multiple to-be-detected HDC dual-mode modules are in butt joint with corresponding modules in a detection tool; the HDC dual-mode modules to be tested enter corresponding test modes according to the received test command and send received test data to the upper computer, and the upper computer obtains a detection result of each HDC dual-mode module to be tested according to a verification result of the test data; wherein the test mode comprises a single-channel receiving test, a single-channel sending test, a dual-channel receiving test and a dual-channel sending test; the test data comprises HPLC (High Performance Liquid Chromatography) data and HRF data.

Description

Technical Field

[0001] The present application relates to the field of electric power technology, and more specifically to a production and testing method and system for a HDC dual-mode module based on a balun circuit. Background Art

[0002] HPLC (High-speed Power Line Communications) high-speed power line carrier communication technology, its operation depends on the reliability of the line, and the high impedance of the line will cause poor communication between its sites. HRF (High-speed Radio Frequency) high-speed wireless communication technology, its operation is affected by the environment, weather, building obstruction and other reasons will cause channel data frame loss. In order to overcome the above problems, HDC (High-speed Dual-mode Communications) high-speed dual-mode communication, that is, HPLC+HRF dual-mode communication technology has become an important promotion direction for the construction of new power systems.

[0003] In order to reduce the failure rate of dual-mode communication units, they need to be fully tested. Since the HRF function is added to the HPLC function, the production test solution needs to add a link. In order to improve production efficiency, it is increasingly valuable to test both sets of functions at one station. However, due to the limited fixture space, the HPLC carrier signal can easily pass through the attenuator and couple through wires or space, making it difficult to accurately measure the dual-mode module's anti-attenuation performance for communication signals. Summary of the invention

[0004] Therefore, this application is proposed to address the problems and needs existing in the above-mentioned prior art.

[0005] The purpose of this application is to provide a HDC dual-mode module production and testing method and system based on a balun circuit, which, compared with the defects of the prior art, can comprehensively detect the performance of the dual-mode module, reduce the failure rate, and improve the detection efficiency and the accuracy of the HPLC signal anti-attenuation performance test of the HDC dual-mode module.

[0006] The purpose of this application is achieved through the following technical solutions: In a first aspect, an embodiment of the present application provides a production test method of an HDC dual-mode module based on a balun circuit, the method comprising: S1. Scan and obtain the barcode information of all HDC dual-mode modules to be tested and enter it into the host computer system, and connect multiple HDC dual-mode modules to be tested with the corresponding modules in the detection tooling respectively; S2, multiple HDC dual-mode modules to be tested enter corresponding test modes according to the received test commands, and send the received test data to the host computer, and the host computer obtains the detection results of each HDC dual-mode module to be tested according to the verification results of the test data; The test modes include single-channel receiving test, single-channel sending test, dual-channel receiving test, and dual-channel sending test; and the test data include HPLC data and HRF data.

[0007] In a second aspect, an embodiment of the present application provides a HDC dual-mode module production and testing system based on a balun circuit, the system comprising: The host computer is used to run the host computer system, store the information of the HDC dual-mode module to be tested, send test commands and control commands to the accompanying test module, and verify the received test data to obtain the test result of the HDC dual-mode module to be tested; The test baseboard is respectively connected to the HDC dual-mode module to be tested and the host computer for communication, and is connected to the HPLC signal attenuator via a coaxial signal line, and is used to receive the test command and forward it to the corresponding HDC dual-mode module to be tested, and is also used to send the test data to the host computer through the network port. The test baseboard includes a balun circuit A, and the balun circuit A is used to convert the HPLC double-ended signal of the HDC dual-mode module to be tested into a single-ended signal or the HPLC single-ended signal into a double-ended signal; The HDC dual-mode module to be tested is used to enter the corresponding test mode according to the test command, receive test data and confirm the data forwarding mode according to the test mode, and send the test data to the host computer according to the data forwarding mode; The accompanying test baseboard is respectively connected to the accompanying test module and the host computer for communication, and is connected to the HPLC signal attenuator via a coaxial signal line, and is used to receive control commands and forward them to the accompanying test module, and is also used to send the test data sent or received by the accompanying test module to the host computer through the network port. The accompanying test baseboard includes a balun circuit B, and the balun circuit B is used to convert the HPLC single-ended signal of the HDC dual-mode module to be tested into a double-ended signal or the HPLC double-ended signal into a single-ended signal; The accompanying test module is used to receive control commands and send test data to multiple HDC dual-mode modules to be tested according to the control commands, and send the test data to the host computer through the accompanying test base plate via the network port, and is also used to receive the test data sent by the HDC dual-mode module to be tested and send the test data to the host computer through the network port of the accompanying test base plate; Scanning and recording module, used to scan and obtain the barcode information of all HDC dual-mode modules to be tested and enter it into the host computer system; The detection tooling comprises a test box, a test companion box, an HPLC signal attenuator and a radio frequency attenuator. The test base plate and the HDC dual-mode module to be tested are arranged in the test box, and the test companion module and the test companion base plate are arranged in the test companion box; the HPLC signal attenuator and the radio frequency attenuator are arranged outside the test box and outside the test companion box.

[0008] Compared with the prior art, the beneficial effects of the present invention are at least as follows: The HDC dual-mode module production and testing method and system based on the balun circuit of the present application, multiple HDC dual-mode modules to be tested enter the corresponding test mode according to the test command, and perform single-channel reception test, single-channel transmission test, dual-channel reception test, and dual-channel transmission test on the HDC dual-mode modules to be tested, add noise and interference to the test data, test the anti-interference and anti-noise performance of the dual-mode modules, and can comprehensively detect the performance of the dual-mode modules, reducing the failure rate; the dual-mode function can be tested in one workstation and multiple dual-mode modules to be tested at one time, thereby improving the detection efficiency; the HPLC signal is converted by the balun circuit and connected to the HPLC signal attenuator via the coaxial signal line, thereby improving the accuracy of the anti-attenuation performance test of the HPLC signal of the HDC dual-mode module. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The figure shows a method flow chart of a HDC dual-mode module production and testing method based on a balun circuit according to an embodiment of the present application; Figure 2 The figure shows a schematic diagram of a HDC dual-mode module production and testing system based on a balun circuit provided according to an embodiment of the present application. DETAILED DESCRIPTION

[0010] Below, the exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described here are only part of the embodiments of the present application, and the present application is not limited to the exemplary embodiments described here.

[0011] like Figure 1 As shown, a HDC dual-mode module production and testing method based on a balun circuit provided according to an embodiment of the present application includes step S1 and step S2.

[0012] In step S1, the barcode information of all the HDC dual-mode modules to be tested is scanned and acquired and entered into the host computer system, and the multiple HDC dual-mode modules to be tested are respectively connected to the corresponding modules in the detection tooling.

[0013] The barcode information of all HDC dual-mode modules to be tested is scanned by a barcode scanner, and then the scanned barcode information is entered into the upper computer system; the detection tooling includes a test box, a companion test box, an HPLC signal attenuator and a radio frequency attenuator, the test box has multiple test baseboards, and the test baseboard includes a balun circuit A; the companion test box has a companion test baseboard and a companion test module, and the companion test baseboard includes a balun circuit B; the multiple HDC dual-mode modules to be tested are respectively connected to multiple test baseboards for communication, the multiple test baseboards are connected to the HPLC signal attenuator via a coaxial signal line, the HPLC signal attenuator is connected to the companion test baseboard via a coaxial signal line, and the companion test module is connected to the companion test baseboard for communication; the balun circuit A of the test baseboard is used to convert the HPLC double-end signal of the HDC dual-mode module to be tested into a signal signal. The balun circuit B of the accompanying test baseboard is used to convert the HPLC single-ended signal of the HDC dual-mode module to be tested into a double-ended signal or the HPLC double-ended signal into a single-ended signal. After the HPLC signal is converted by the balun circuits of the test baseboard and the accompanying test baseboard, it is attenuated to different degrees by the HPLC signal attenuator, so that the HPLC signal anti-attenuation performance of the HDC dual-mode module to be tested can be accurately measured; the test baseboard is communicatively connected to the host computer, and the accompanying test baseboard is communicatively connected to the host computer; the radio frequency attenuator is used for attenuating the HRF signal, and the HPLC signal attenuator and the radio frequency attenuator are adjustable attenuators, and the attenuation value can be adjusted according to the host computer instruction to accurately measure the anti-attenuation performance of the HDC dual-mode module.

[0014] In step S2, multiple HDC dual-mode modules to be tested enter corresponding test modes according to the received test commands, and send the received test data to the host computer, and the host computer obtains the detection results of each HDC dual-mode module to be tested according to the verification results of the test data; wherein, the test modes include single-channel receiving test, single-channel sending test, dual-channel receiving test, and dual-channel sending test; and the test data include HPLC data and HRF data.

[0015] The host computer sends a test command to multiple test baseboards through the network port, the test baseboard receives the test command and forwards it to the corresponding HDC dual-mode module to be tested, and the HDC dual-mode module to be tested enters the corresponding test mode after parsing the command, and the test mode includes single-channel receiving test, single-channel sending test, dual-channel receiving test, and dual-channel sending test; the host computer controls the HPLC or HRF communication channel of the HDC dual-mode module to be tested to close or open through the test command, and performs a single HPLC channel receiving and sending function test or an HRF channel receiving and sending function test or a simultaneous HPLC+HRF dual-channel receiving and sending function test; After the HDC dual-mode module to be tested enters the corresponding test mode, the host computer sends a control command to the accompanying test module, so that the accompanying test module sends test data to the multiple HDC dual-mode modules to be tested according to the control command; The host computer sends a control command to the accompanying test module through the accompanying test baseboard. After receiving and parsing the control command, the accompanying test module sends test data to multiple HDC dual-mode modules to be tested according to the control command. Optionally, noise and interference are added to the test data to test the anti-noise and anti-interference performance of the HDC dual-mode module to be tested. The test data includes HPLC test data or HRF test data or HPLC+HRF test data, wherein the HPLC test data is transmitted to the HPLC signal attenuator through the accompanying test baseboard for attenuation, the HRF test data is attenuated by the radio frequency attenuator, the attenuated HPLC test data is transmitted to the HDC dual-mode module to be tested through the test baseboard, and the attenuated HRF test data is transmitted to the HDC dual-mode module to be tested through the flat antenna; the accompanying test module sends the test data to the multiple HDC dual-mode modules to be tested according to the control command, and at the same time sends the test data to the host computer through the accompanying test baseboard through the network port, so that the host computer uses this test data as standard data to verify other received test data; After receiving the test data, the multiple HDC dual-mode modules to be tested determine the data forwarding mode according to the current test mode, and send the test data to the host computer according to the data forwarding mode, specifically: If the current test mode is a single-channel receiving test or a dual-channel receiving test, the HDC dual-mode module to be tested directly sends the test data to the host computer through the test baseboard via the network port; If the current test mode is a single-channel transmission test or a dual-channel transmission test, the HDC dual-mode module to be tested sends the test data to the accompanying test module after attenuation by the HPLC signal attenuator or the radio frequency attenuator, so that the accompanying test module sends the test data to the host computer through the accompanying test bottom board via the network port; After receiving the test data from the multiple HDC dual-mode modules to be tested, the host computer verifies the multiple test data with the above-mentioned standard data, and obtains the detection results of each HDC dual-mode module to be tested based on the verification results.

[0016] Below, reference Figure 2 To describe an HDC dual-mode module production and testing system based on a balun circuit provided according to an embodiment of the present application.

[0017] like Figure 2 As shown, the HDC dual-mode module production and testing system based on the balun circuit includes: The host computer is used to run the host computer system, store the information of the HDC dual-mode module to be tested, send test commands and control commands to the accompanying test module, and verify the received test data to obtain the test result of the HDC dual-mode module to be tested; The test baseboard is respectively connected to the HDC dual-mode module to be tested and the host computer for communication, and is connected to the HPLC signal attenuator via a coaxial signal line, and is used to receive the test command and forward it to the corresponding HDC dual-mode module to be tested, and is also used to send the test data to the host computer through the network port. The test baseboard includes a balun circuit A, and the balun circuit A is used to convert the HPLC double-ended signal of the HDC dual-mode module to be tested into a single-ended signal or the HPLC single-ended signal into a double-ended signal; The HDC dual-mode module to be tested is used to enter the corresponding test mode according to the test command, receive test data and confirm the data forwarding mode according to the test mode, and send the test data to the host computer according to the data forwarding mode; The accompanying test baseboard is respectively connected to the accompanying test module and the host computer for communication, and is connected to the HPLC signal attenuator via a coaxial signal line, and is used to receive control commands and forward them to the accompanying test module, and is also used to send the test data sent or received by the accompanying test module to the host computer through the network port. The accompanying test baseboard includes a balun circuit B, and the balun circuit B is used to convert the HPLC single-ended signal of the HDC dual-mode module to be tested into a double-ended signal or the HPLC double-ended signal into a single-ended signal; The accompanying test module is used to receive control commands and send test data to multiple HDC dual-mode modules to be tested according to the control commands, and send the test data to the host computer through the accompanying test base plate via the network port, and is also used to receive the test data sent by the HDC dual-mode module to be tested and send the test data to the host computer through the network port of the accompanying test base plate; Scanning and recording module, used to scan and obtain the barcode information of all HDC dual-mode modules to be tested and enter it into the host computer system; The detection tooling comprises a test box, a test companion box, an HPLC signal attenuator and a radio frequency attenuator. The test base plate and the HDC dual-mode module to be tested are arranged in the test box, and the test companion module and the test companion base plate are arranged in the test companion box; the HPLC signal attenuator and the radio frequency attenuator are arranged outside the test box and outside the test companion box. The test box and the test companion box shield external interference when testing the HDC dual-mode module.

[0018] The specific functions and operations of each module in the above-mentioned HDC dual-mode module production and testing system based on balun circuit are described in detail in the above-described HDC dual-mode module production and testing method based on balun circuit, so the repeated description will be omitted here.

[0019] The basic principles of the present application are described above in conjunction with specific embodiments. It should be understood that the specific details disclosed above are only for illustration and ease of understanding, and are not restrictive, and are not used to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A production and testing method for HDC dual-mode modules based on balun circuits, characterized in that: The method comprises: S1. Scan and obtain the barcode information of all HDC dual-mode modules to be tested and enter it into the host computer system, and connect multiple HDC dual-mode modules to be tested with the corresponding modules in the detection tooling respectively; S2, multiple HDC dual-mode modules to be tested enter corresponding test modes according to the received test commands, and send the received test data to the host computer, and the host computer obtains the detection results of each HDC dual-mode module to be tested according to the verification results of the test data; The test modes include single-channel receiving test, single-channel sending test, dual-channel receiving test, and dual-channel sending test; and the test data include HPLC data and HRF data.

2. The HDC dual-mode module production and testing method based on balun circuit according to claim 1, characterized in that: The detection tooling includes a test box, a companion test box, an HPLC signal attenuator and a radio frequency attenuator. The test box contains multiple test baseboards, and the test baseboard includes a balun circuit A. The companion test box contains a companion test baseboard and a companion test module, and the companion test baseboard includes a balun circuit B; the multiple HDC dual-mode modules to be tested are respectively communicatively connected to the multiple test baseboards, the multiple test baseboards are connected to the HPLC signal attenuator via a coaxial signal line, the HPLC signal attenuator is connected to the companion test baseboard via a coaxial signal line, and the companion test module is communicatively connected to the companion test baseboard.

3. The HDC dual-mode module production and testing method based on balun circuit according to claim 2, characterized in that: The balun circuit A of the test base plate is used to convert the HPLC double-ended signal of the HDC dual-mode module to be tested into a single-ended signal or the HPLC single-ended signal into a double-ended signal, and the balun circuit B of the companion test base plate is used to convert the HPLC single-ended signal of the HDC dual-mode module to be tested into a double-ended signal or the HPLC double-ended signal into a single-ended signal.

4. The HDC dual-mode module production and testing method based on balun circuit according to claim 1, characterized in that: The multiple HDC dual-mode modules to be tested enter corresponding test modes according to the received test commands, including: The host computer sends test commands to multiple test boards through the network port. The test boards receive the test commands and forward them to the corresponding HDC dual-mode modules to be tested. The HDC dual-mode modules to be tested enter the corresponding test mode after parsing the commands.

5. The HDC dual-mode module production and testing method based on balun circuit according to claim 1, characterized in that: The HDC dual-mode module to be tested sends the received test data to the host computer, including: The host computer sends a control command to the accompanying test module, so that the accompanying test module sends test data to multiple HDC dual-mode modules to be tested according to the control command; After receiving the test data, the multiple HDC dual-mode modules to be tested determine a data forwarding mode according to the current test mode, and send the test data to the host computer according to the data forwarding mode.

6. The HDC dual-mode module production and testing method based on balun circuit according to claim 5, characterized in that: After receiving the test data, the multiple HDC dual-mode modules to be tested determine a data forwarding mode according to the current test mode, and send the test data to the host computer according to the data forwarding mode, including: If the current test mode is a single-channel receiving test or a dual-channel receiving test, the test data is directly sent to the host computer through the test baseboard via the network port; If the current test mode is a single-channel transmission test or a dual-channel transmission test, the test data is sent to the accompanying test module, so that the accompanying test module sends the test data to the host computer through the accompanying test baseboard via the network port.

7. The HDC dual-mode module production and testing method based on balun circuit according to claim 5, characterized in that: The accompanying test module sends test data to multiple HDC dual-mode modules to be tested according to the control command, and at the same time sends test data to the host computer through the accompanying test baseboard via the network port, so that the host computer uses this test data as standard data to verify other received test data.

8. The HDC dual-mode module production and testing method based on balun circuit according to claim 2, characterized in that: The HPLC signal attenuator and the radio frequency attenuator are adjustable attenuators, and the attenuation value can be adjusted according to the host computer instruction to accurately measure the anti-attenuation performance of the HDC dual-mode module.

9. A HDC dual-mode module production and testing system based on a balun circuit, characterized in that: The system comprises: The host computer is used to run the host computer system, store the information of the HDC dual-mode module to be tested, send test commands and control commands to the accompanying test module, and verify the received test data to obtain the test result of the HDC dual-mode module to be tested; The test baseboard is respectively connected to the HDC dual-mode module to be tested and the host computer for communication, and is connected to the HPLC signal attenuator via a coaxial signal line, and is used to receive the test command and forward it to the corresponding HDC dual-mode module to be tested, and is also used to send the test data to the host computer through the network port. The test baseboard includes a balun circuit A, and the balun circuit A is used to convert the HPLC double-ended signal of the HDC dual-mode module to be tested into a single-ended signal or the HPLC single-ended signal into a double-ended signal; The HDC dual-mode module to be tested is used to enter the corresponding test mode according to the test command, receive test data and confirm the data forwarding mode according to the test mode, and send the test data to the host computer according to the data forwarding mode; The accompanying test baseboard is respectively connected to the accompanying test module and the host computer for communication, and is connected to the HPLC signal attenuator via a coaxial signal line, and is used to receive control commands and forward them to the accompanying test module, and is also used to send the test data sent or received by the accompanying test module to the host computer through the network port. The accompanying test baseboard includes a balun circuit B, and the balun circuit B is used to convert the HPLC single-ended signal of the HDC dual-mode module to be tested into a double-ended signal or the HPLC double-ended signal into a single-ended signal; The accompanying test module is used to receive control commands and send test data to multiple HDC dual-mode modules to be tested according to the control commands, and send the test data to the host computer through the accompanying test baseboard via the network port. It is also used to receive test data sent by the HDC dual-mode module to be tested and send the test data to the host computer through the network port of the accompanying test baseboard.

10. The HDC dual-mode module production and testing system based on balun circuit according to claim 9, characterized in that: The system further comprises: Scanning and recording module, used to scan and obtain the barcode information of all HDC dual-mode modules to be tested and enter it into the host computer system; The detection tooling comprises a test box, a test companion box, an HPLC signal attenuator and a radio frequency attenuator. The test base plate and the HDC dual-mode module to be tested are arranged in the test box, and the test companion module and the test companion base plate are arranged in the test companion box; the HPLC signal attenuator and the radio frequency attenuator are arranged outside the test box and outside the test companion box.

Images