A data processing system for transformer temperature controller detector

Abstract

The invention discloses a data processing system for a transformer temperature controller detector, and relates to the technical field of transformers. The invention is connected to a quantity transmission and traceability device through a data interface module to control various operation actions in the detection process. At the same time, the management system is connected to the inspected device and can call matching database resources according to different device model requirements, intelligently process the range of the switching detection device, and output or measure according to the required requirements to complete the quantity transmission action; combined with the equipment of different manufacturers' performance indicators, the control is unified, the meter source is unified, the switching range can be automatically identified, the equipment is connected at the software and hardware level to obtain the reading value, and the data is intelligently processed, so as to achieve the purpose of intelligent operation of quantity value transmission under various selected standard specifications; it also stores and enters the winding thermal simulation temperature rise test parameters and queries the commonly used winding temperature controller current matcher wiring mode and other information to facilitate on-site work.

Description

Technical Field

[0001] The present invention relates to transformer technology, and more particularly to a data processing system for a transformer temperature controller detector. Background Art

[0002] In order to ensure the long-term effective monitoring of the temperature control system and the accuracy of the test indicators, it needs to be calibrated regularly. According to the situation reflected by the on-site preventive test, during the test or operation of the transformer temperature control system, it was found that most of the technicians only conducted the temperature test according to the oil temperature gauge test, and did not start the winding thermometer temperature rise test, resulting in the winding temperature control being operated according to the oil level control. This operation mode is very risky. At the same time, the on-site temperature measurement often fails or deviates too much from the temperature in the main control room. These faults cannot be checked in time, resulting in the operator misjudging the actual operation situation, thereby reducing the load and causing a certain impact on the stable operation of the power grid. Therefore, in response to the demand for on-site calibration of the thermostat, in addition to the Ip / Is current test, the wiring method, thermal resistance temperature, transmitter signal and other parameters must be tested to comprehensively calibrate various indicators of the temperature control system. There are many types of standard instruments used, and the work content is complicated and cumbersome. We need to develop comprehensive, new and fast methods and more accurate equipment to complete this work.

[0003] With the continuous iteration and upgrading of computer technology and communication technology, the integration of new digital electrical measuring instruments is getting higher and higher. Many electrical measuring instruments are gradually evolving towards integration and intelligence. These devices are widely used in power grid systems, and they are promoting the optimization and transformation of power grid systems at the bottom level. At present, in China, the transmission of electrical measuring instruments is still largely managed by manual paper. The verification / calibration process is cumbersome, time-consuming, and inefficient. Summary of the invention

[0004] In view of this, in order to realize the intelligent operation of the transformer winding temperature control comprehensive test equipment, the present invention proposes a data processing system for the transformer temperature controller detector.

[0005] In order to achieve the above-mentioned purpose, the present invention provides a data processing system for a transformer temperature controller detector, comprising: a detection module, used to obtain various data obtained by the detector when detecting a transformer temperature controller; a control module, used to input the detection instructions and other system instructions of the detector; a data processing module, the data processing module is used to receive the instructions of the control module, the data obtained by the detection module and other system information, can automatically identify the switching range, and intelligently process the data, and transmit it to the display module for display; a display module, used to display the data and instructions of the system; a data interface module, connected to the data processing module, used to connect to a computer system, cooperate with special test software, form a fully automatic detection system, and support the real-time uploading of the measured data to a database to realize big data analysis.

[0006] Preferably, the data processing module includes: a microprocessor, a memory and a field programmable gate array; the memory is mainly used to store system information of the microprocessor; the memory also stores the input winding thermal simulation temperature rise test parameters and queries the commonly used winding temperature controller current matcher wiring method.

[0007] Preferably, the system information includes: version number, serial number, communication settings, and system settings.

[0008] Preferably, the microprocessor adopts the GD32 platform.

[0009] Preferably, the field programmable gate array adopts MAX 10 FPGA device.

[0010] Preferably, the data interface module includes: an RS-232 communication interface and an Ethernet communication interface.

[0011] Preferably, the level of the serial interface of the microprocessor is converted into a standard RS-232 level by a level conversion chip.

[0012] Preferably, the display module adopts a liquid crystal touch screen.

[0013] Preferably, the manual operation mode of the control module includes: touch screen input and key input.

[0014] Beneficial Effects

[0015] Compared with the prior art, the advantages of this technical solution are: the system is connected to the measurement traceability device through a data interface module to control various operation actions in the detection process. At the same time, the management system connected to the inspected equipment can call the matching database resources according to the requirements of different equipment models, intelligently process the range of the switching detection device, and output or measure to complete the measurement transmission action according to the required requirements; combining the equipment with performance indicators of different manufacturers to achieve unified control and source, automatically identify the switching range, connect the equipment at the software and hardware level to obtain the reading value, and intelligently process the data, so as to achieve the purpose of intelligent operation of measurement value transmission under various selected standards and specifications; it also stores and enters the winding thermal simulation temperature rise test parameters and queries the commonly used winding temperature controller current matcher wiring method and other information to facilitate on-site work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the implementation mode will be briefly introduced below. Obviously, the drawings described below are only some implementation modes of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 is a schematic diagram of a data processing system of a transformer temperature controller detector of the present invention;

[0018] Figure 2 It is a typical structural diagram of the GD32 platform in the present invention;

[0019] Figure 3 It is a framework diagram of the Multi-AHB bus matrix in the present invention;

[0020] Figure 4 It is a principle block diagram of the memory circuit in the present invention;

[0021] Figure 5 is a comparison diagram of the traditional FPGA and the MAX 10 FPGA in the present invention;

[0022] Figure 6 It is the principle diagram of RS232 chip in the present invention;

[0023] Figure 7 It is the RS232 circuit principle diagram in the present invention;

[0024] Figure 8 It is the basic principle diagram of TFT LCD in the present invention. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0027] It should also be understood that the terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0028] It should be further understood that the term "and / or" used in the present description and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0029] See also Figure 1 A data processing system for a transformer temperature controller detector comprises: a detection module for acquiring various data obtained by the detector when detecting a transformer temperature controller; a control module for inputting detection instructions and other system instructions of the detector; a data processing module, wherein the data processing module is used to receive instructions from the control module, data obtained by the detection module and other system information, and can automatically identify and switch ranges, intelligently process data, and transmit the data to a display module for display; a display module for displaying system data and instructions; a data interface module, connected to the data processing module, used to connect to a computer system, cooperate with special test software, form a fully automatic detection system, and support real-time uploading of measured data to a database to realize big data analysis.

[0030] The system is connected to the measurement traceability device through the data interface module to control various operation actions in the detection process. At the same time, the management system is connected to the inspected equipment and can call the matching database resources according to the requirements of different equipment models, intelligently process the range of the switching detection device, and complete the measurement transmission action according to the required output or measurement requirements; combined with the equipment of different manufacturers' performance indicators, it can achieve unified control and source, automatically identify the switching range, connect the equipment at the software and hardware level to obtain the reading value, and intelligently process the data to achieve the purpose of intelligent operation of measurement value transmission under the selected standards and specifications; it also stores and enters the winding thermal simulation temperature rise test parameters and queries the commonly used winding temperature controller current matcher wiring method and other information to facilitate on-site work.

[0031] The data processing module includes: a microprocessor, a memory and a field programmable gate array. This module is mainly used to receive instructions from the control module, such as controlling the current source to adjust the frequency and amplitude output, receiving the signal measured by the detection module in real time, and transmitting it to the LCD screen for display.

[0032] The microprocessor uses the domestically produced GD32 platform. Its structure is as follows Figure 2 As shown in the figure, taking the GD32F450 microcontroller as an example, STMicroelectronics' GD32 high-performance ARM® Cortex™ M4-based microcontroller integrates innovative peripherals, 200 MHz operating frequency, and also has Ethernet MAC and camera interface for CMOS sensors. The 32-bit flash MCU has a floating point unit (FPU) with digital signal processing (DSP) instructions and a memory protection device (MPU) to improve application security. The microcontroller has a crypto / hash processor that provides hardware acceleration for AES 128, 192, 256, Triple DES and hash (MD5, SHA-1). The GD32F450 high-performance and industrial standard core system comes with enhanced peripherals and connected inputs / outputs. They include ADC, DAC, RTC, 16-bit timers (including two PWM timers for motor control), and 32-bit timers. There is also a true random number generator (RNG). In addition, the power saving mode kit has a low-power application design.

[0033] The multi-level AHB Bus Matrix is ​​an efficient on-chip bus architecture that allows multiple master devices to access multiple slave devices in parallel. It can effectively improve the bus bandwidth and increase the flexibility of the system. It has strong configurability, supports up to 16 master devices and slave devices, has three arbitration modes, and has no less than 1440 possible configurations. The Multi-AHBbus matrix block diagram is shown in the figure. Figure 3 shown.

[0034] The memory is mainly used to store the system information of the main controller, such as version number, serial number, communication settings, system settings, etc. The memory also stores the input winding thermal simulation temperature rise test parameters and queries the common winding temperature controller current matcher wiring method. The circuit principle is as follows Figure 4 shown.

[0035] The field programmable gate array (FPGA) can use the MAX 10 FPGA device. Its main functions are described as follows:

[0036] (1) Support single power supply (3.3V) / multiple power supplies (1.2 / 2.5 / 3.3V); support 2K / 4K / 8K / 16K / 25K / 40K / 50K LE;

[0037] (2) Integrated on-chip FLASH (up to 5.88Mb); up to 16 Analog Blocks with ADC, internal integrated SRAM (up to 1.6Mb);

[0038] (3) DSP Blocks

[0039] (4) Support DDR2 / DDR3 memory interface;

[0040] (5) Support RS232 / USB / Ethernet / I2C / SPI configuration; support 2 configuration files;

[0041] (6) Support on-chip logic analyzer (SingalTapII);

[0042] (7) Nios II Embedded Soft Processor;

[0043] (8) LVDS, PCI, and 30+ other I / O Standards;

[0044] (9) Compared with traditional FPGA, it can be seen Figure 5 shown.

[0045] MAX10 FPGA optimizes power supply, improves data processing efficiency, reduces corresponding power consumption, and is more convenient to use.

[0046] The data interface module includes: RS-232 communication interface and Ethernet communication interface; it can be connected to the computer system using the corresponding data cable, and with the dedicated test software, a fully automatic detection system can be established to support real-time uploading of the tested data to the database for big data analysis.

[0047] The RS232 chip schematic diagram of the RS-232 communication interface is as follows Figure 6 As shown in the figure, this chip is a high-speed, 2.5 kV fully isolated, single-channel RS-232 / V.28 transceiver that operates from a single 5 V power supply. Since the RIN and TOUT pins provide high-voltage ESD protection, the device is ideal for working in harsh electrical environments or where RS-232 cables are frequently plugged and unplugged. There is no need to use a separate isolated DC-DC converter, and it can be used to isolate logic signals and integrated DC-DC converters at the same time, so the device can provide a total isolation solution. It complies with the EIA-232E specification and has a data rate of up to 460 kbps. There is a transmitter and a receiver to ensure efficient communication.

[0048] The data processing module supports the standard full-duplex RS-232 communication interface. The communication baud rate supports 1200bps~115200bps, and the communication protocol uses 8-bit data bits and 1-bit stop bits. Since the serial interface of the microprocessor is TTL level, it needs to be converted to the standard RS-232 level through a level conversion chip. The circuit schematic is shown in the figure. Figure 7 shown.

[0049] Ethernet refers to the baseband LAN specification created by Xerox and jointly developed by Xerox, Intel and DEC. It is the most common communication protocol standard used in existing LANs. The STM32F429 integrates an Ethernet module, which includes a MAC802.3 (Media Access Control) controller with a dedicated DMA controller, supports the Media Independent Interface (MII) and Reduced Media Independent Interface (RMII), and comes with an SMI interface for external PHY communication. Through a set of configuration registers, users can select the desired mode and function for the MAC controller and DMA control.

[0050] The display module uses a large-size LCD touch screen to display the setting scheme and the measured value. The touch operation mode is convenient for users to set parameters and control the test process. The touch screen uses an LCD model DMIL10401OUMOSP. Its TFT-LCD module is as follows Figure 8 As shown, the signal is input into the scan IC after passing through the clock control module, and then provided with a reference voltage to the data conversion module after being converted by DC / DC. Finally, the result is input into the TFT LCD and then controlled by the LEDBACKLIGHT UNIT for display.

[0051] The display module can display signal waveform, frequency, amplitude and other information. The control module is combined with the display module. The manual operation methods of the control module include: touch screen input and key input.

[0052] Those of ordinary skill in the art will appreciate that the units of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition of each example has been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0053] In the embodiments provided in the present application, it should be understood that the division of units is merely a logical function division, and there may be other division methods in actual implementation, for example, multiple units may be combined into one unit, one unit may be split into multiple units, or some features may be ignored.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A data processing system for a transformer temperature controller detector, characterized in that: include: A detection module, used to obtain various data obtained by the detector detecting the transformer temperature controller; A control module, used for inputting detection instructions and other system instructions of the detector; A data processing module, which is used to receive the instructions of the control module, the data obtained by the detection module and other system information, can automatically identify the switching range, and intelligently process the data, and transmit it to the display module for display; Display module, used to display system data and instructions; The data interface module is connected to the data processing module and is used to connect to the computer system and cooperate with the dedicated test software to form a fully automatic detection system, supporting the real-time uploading of the tested data to the database to realize big data analysis; The system is connected to the measurement and traceability device through the data interface module to control various operation actions in the detection process. At the same time, the management system is connected to the inspected equipment and can call the matching database resources according to the requirements of different equipment models, intelligently process the switching range of the detector, and complete the measurement transmission action according to the required output or measurement requirements; combined with the equipment of different manufacturers' performance indicators, it can achieve unified control and unified source, automatically identify the switching range, connect the equipment at the software and hardware level to obtain the reading value, and intelligently process the data.

2. The data processing system of the transformer temperature controller detector according to claim 1, characterized in that: The data processing module includes: a microprocessor, a memory and a field programmable gate array; the memory is mainly used to store system information of the microprocessor; the memory also stores and enters winding thermal simulation temperature rise test parameters and queries commonly used winding temperature controller current matcher wiring methods.

3. The data processing system of the transformer temperature controller detector according to claim 2, characterized in that: The system information includes: version number, serial number, communication settings, and system settings.

4. The data processing system of the transformer temperature controller detector according to claim 2, characterized in that: The microprocessor adopts the GD32 platform.

5. The data processing system of the transformer temperature controller detector according to claim 2, characterized in that: The field programmable gate array adopts MAX 10 FPGA device.

6. The data processing system of the transformer temperature controller detector according to claim 2, characterized in that: The data interface module includes: an RS232 communication interface and an Ethernet communication interface.

7. The data processing system of the transformer temperature controller detector according to claim 6, characterized in that: The level of the serial interface of the microprocessor is converted into a standard RS232 level by a level conversion chip.

8. The data processing system of the transformer temperature controller detector according to claim 1, characterized in that: The display module adopts a liquid crystal touch screen.

9. The data processing system of the transformer temperature controller detector according to claim 1, characterized in that: The manual operation modes of the control module include: touch screen input and key input.

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