Power device fault analysis and diagnosis device based on FDR technology

Abstract

The invention discloses a power device fault analysis and diagnosis device based on the FDR technology, and the device comprises a housing, the interior of the housing is provided with an assembly frame, the interior of the assembly frame is provided with a mounting plate, the mounting plate is provided with a main control module, and the main control module comprises a communication module, a detection module, and a signal detection and analysis module. The main control module is connected with the communication module, the detection module and the signal detection and analysis module, a touch display screen is installed on the top of the shell, a display and control module is installed in the touch display screen, and the display and control module is connected with the main control module. The electrical characteristics of the power device are detected and analyzed by utilizing the reflection characteristics of the electromagnetic waves on the transmission line, so that rapid fault analysis and diagnosis are realized.

Description

Technical Field

[0001] The invention belongs to the technical field of power device fault analysis and diagnosis, and in particular relates to a power device fault analysis and diagnosis device based on FDR technology. Background Art

[0002] Reliability testing of power devices is an important part of ensuring the long-term stable operation of electronic devices. Testing methods usually include high temperature storage life test (HTRB), high temperature gate bias test (HTGB), high voltage high temperature high humidity reverse bias test (HV-H3TRB), temperature cycle test (TC), high pressure cooking test (AC) and intermittent life test (IOL). These methods are designed to simulate various stress conditions that devices may encounter in actual working environments to expose potential defects and failures.

[0003] The FDR (Failure Detection Rate) technology plays a key role in reliability testing, which involves the construction of the test environment, the improvement of fault detection efficiency, reliability modeling and reliability growth.

[0004] However, the existing power device fault analysis and diagnosis device takes a long time to detect faults during use, has a complex test process, and cannot achieve rapid diagnosis. Therefore, there is an urgent need for a power device fault analysis and diagnosis device based on FDR technology to solve the above problems. Summary of the invention

[0005] In view of the problems raised by the above background technology, the purpose of the present invention is to provide a power device fault analysis and diagnosis device based on FDR technology.

[0006] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0007] A power device fault analysis and diagnosis device based on FDR technology comprises a shell, an assembly frame is installed in the shell, a mounting plate is installed in the assembly frame, a main control module is installed on the mounting plate, the main control module comprises a communication module, a detection module and a signal detection and analysis module, the main control module is connected with the communication module, the detection module and the signal detection and analysis module, a touch display screen is installed on the top of the shell, a display and control module is installed in the touch display screen, and the display and control module is connected with the main control module.

[0008] It is further defined that the communication module includes a wired / wireless network interface, an RS485 interface and a USB interface, and the communication module is connected to the wired / wireless network interface, the RS485 interface and the USB interface. Such a structural design facilitates the operator to select a suitable communication method to communicate with the management computer to export data, analyze data, etc.

[0009] It is further defined that the detection module includes a signal generator and a reflection signal detector, the detection module is connected to the signal generator and the reflection signal detector, the signal generator is connected to a transmission line, and the transmission line is connected to the power device to be detected. Such a structural design facilitates sending electromagnetic wave signals within a specific frequency range and detecting signals reflected from the power device.

[0010] It is further defined that the signal detection and analysis module is connected to a data processing module. Such a structural design facilitates capturing the reflected signal and transmitting it to the data processing module, so that the data processing module analyzes the characteristics of the reflected signal, such as amplitude, phase, etc., to determine the electrical characteristics of the power device.

[0011] It is further defined that the data processing module includes a reliability detection module and a fault diagnosis module, and the data processing module is connected to the reliability detection module and the fault diagnosis module. Such a structural design facilitates timely detection and diagnosis of faults.

[0012] It is further defined that the main control module is also connected to a power module, and the power module is connected to a battery. Such a structural design is convenient for providing power output.

[0013] It is further defined that the main control module is also connected to a storage module, and the storage module includes a FLASH memory, a DDR memory and an SD card. With such a structural design, the operator selects a suitable storage mode to store data information.

[0014] It is further defined that heat dissipation grooves are provided on both sides of the housing, step mounting grooves are provided on the outer sides of the heat dissipation grooves, dustproof plates are installed in the step mounting grooves, and a plurality of heat dissipation ports are provided on the dustproof plates. Such a structural design has a dustproof and heat dissipation effect.

[0015] It is further defined that the plurality of heat dissipation openings are arranged on the dustproof plate in sequence from bottom to top, wherein the spacing between two adjacent heat dissipation openings is equal, and the heat dissipation openings are arranged in an inclined structure from outside to inside and from bottom to top. Such a structural design not only has the effect of dustproof and heat dissipation, but also has a waterproof effect, preventing external water from entering the housing through the heat dissipation openings.

[0016] It is further defined that a fan rack is installed in the heat dissipation slot, and a plurality of evenly arranged silent fans are installed on the fan rack. Such a structural design improves the heat dissipation effect and has a silent effect during heat dissipation.

[0017] The beneficial effects of the present invention are as follows: the present invention sets a detection module, utilizes the reflection characteristics of the electromagnetic waves generated by the signal generator on the transmission line to detect and analyze the electrical characteristics of the power device, detects the signal reflected from the power device by the reflection signal detector, and at the same time, the signal detection and analysis module captures the reflection signal and transmits it to the data processing module, the data processing module analyzes the characteristics of the reflection signal, such as amplitude, phase, etc., to determine the electrical characteristics of the power device, and according to the characteristics of the reflection signal, the impedance, parasitic capacitance, parasitic inductance and other parameters of the power device can be inferred, thereby evaluating the performance and reliability of the power device, thereby reducing the detection time, improving the detection efficiency, and realizing rapid fault analysis and diagnosis. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

[0019] Figure 1 This is a schematic diagram of the shaft side structure of a power device fault analysis and diagnosis device based on FDR technology according to an embodiment of the present invention;

[0020] Figure 2 A schematic cross-sectional structure diagram of a power device fault analysis and diagnosis device based on FDR technology according to an embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of the overall frame connection structure of a power device fault analysis and diagnosis device based on FDR technology according to an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the connection structure of a main control module of a power device fault analysis and diagnosis device based on FDR technology according to an embodiment of the present invention;

[0023] The main component symbols are described as follows:

[0024] Shell 1, assembly frame 2, mounting plate 3, main control module 4, communication module 5, detection module 6, signal detection and analysis module 7, touch display screen 8, display and control module 9, wired / wireless network interface 10, RS485 interface 11, USB interface 12, signal generator 13, reflection signal detector 14, transmission line 15, data processing module 16, reliability detection module 17, fault diagnosis module 18, power module 19, battery 20, storage module 21, FLASH storage 22, DDR memory 23, SD card 24, heat dissipation slot 25, step installation slot 26, dustproof plate 27, heat dissipation port 28, fan rack 29, silent fan 30. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0026] Embodiment 1, as Figure 1 , Figure 2 and Figure 3 As shown, a power device fault analysis and diagnosis device based on FDR technology includes a shell 1, an assembly frame 2 is installed in the shell 1, a mounting plate 3 is installed in the assembly frame 2, a main control module 4 is installed on the mounting plate 3, the main control module 4 includes a communication module 5, a detection module 6 and a signal detection and analysis module 7, the main control module 4 is connected with the communication module 5, the detection module 6 and the signal detection and analysis module 7, a touch display screen 8 is installed on the top of the shell 1, a display and control module 9 is installed in the touch display screen 8, and the display and control module 9 is connected with the main control module 4.

[0027] In this embodiment, during use, the detection module 6 is connected to the power device to be detected and detected, and the detected information is sent to the signal detection and analysis module 7 through the main control module 4, and analyzed and interpreted by the signal detection and analysis module 7, and the fault analysis and diagnosis information of the power device is displayed on the touch screen 8 through the display and control module 9. The touch screen 8 is used to display the detection results and allow the user to control the detection process. At the same time, the operator can operate through the touch screen 8, and the fault analysis and diagnosis information is sent to the management computer through the communication module 5 to facilitate data export.

[0028] Embodiment 2, as Figure 3 As shown, this embodiment adds the following structure on the basis of embodiment 1, the communication module 5 includes a wired / wireless network interface 10, an RS485 interface 11 and a USB interface 12, and the communication module 5 is connected to the wired / wireless network interface 10, the RS485 interface 11 and the USB interface 12. Such a structural design facilitates the operator to select a suitable communication method to communicate with the management computer to export data.

[0029] In this embodiment, during use, the wired / wireless network interface 10, the RS485 interface 11 and the USB interface 12 facilitate the operator to select a suitable communication method to communicate with the management computer to export data.

[0030] Embodiment 3, as Figure 3 As shown, this embodiment adds the following structure on the basis of embodiment 1, the detection module 6 includes a signal generator 13 and a reflection signal detector 14, the detection module 6 is connected to the signal generator 13 and the reflection signal detector 14, the signal generator 13 is connected to a transmission line 15, and the transmission line 15 is connected to the power device to be detected.

[0031] In this embodiment, the signal generator 13 is used to generate an electromagnetic wave signal within a specific frequency range. The electromagnetic wave signal is connected to the power device to be detected through the transmission line 15, and its electrical characteristics will affect the reflected signal. The reflected signal detector 14 is used to detect the signal reflected from the power device.

[0032] Embodiment 4, as Figure 3 As shown, this embodiment adds the following structure on the basis of embodiment 1: the signal detection and analysis module 7 is connected to the data processing module 16 .

[0033] In this embodiment, the signal detection and analysis module 7 captures the reflected signal and transmits it to the data processing module 16. The data processing module 16 analyzes the characteristics of the reflected signal, such as amplitude, phase, etc., to determine the electrical characteristics of the power device. According to the characteristics of the reflected signal, the impedance, parasitic capacitance, parasitic inductance and other parameters of the power device can be inferred, thereby evaluating the performance and reliability of the device.

[0034] Embodiment 5, as Figure 3 As shown, this embodiment adds the following structure on the basis of embodiment 4: the data processing module 16 includes a reliability detection module 17 and a fault diagnosis module 18 , and the data processing module 16 is connected to the reliability detection module 17 and the fault diagnosis module 18 .

[0035] In this embodiment, the reliability detection module 17 can evaluate the reliability of the device, including its voltage resistance, thermal stability, etc., by analyzing the reflection signal of the power device under different working conditions. When the power device has performance degradation or failure, the characteristics of its reflection signal will change in the fault diagnosis module 18, so that the fault can be discovered and diagnosed in time.

[0036] Embodiment 6, as Figure 4 As shown, this embodiment adds the following structure on the basis of the embodiment 1: the main control module 4 is further connected to the power module 19 , and the power module 19 is connected to the battery 20 .

[0037] In this embodiment, when in use, the storage battery 20 and the power module 19 provide power output to the main control module 4 for use.

[0038] Embodiment 7, as Figure 4 As shown, this embodiment adds the following structure on the basis of the embodiment 1: the main control module 4 is further connected to a storage module 21 , and the storage module 21 includes a FLASH storage 22 , a DDR memory 23 and an SD card 24 .

[0039] In this embodiment, the FLASH storage 22 is used to store historical data and configuration parameters, the DDR memory 23 is used to store the data cache of the main control module 4, and the SD card 24 is used for data storage and import and export.

[0040] Embodiment 8, as Figure 2 As shown, this embodiment adds the following structure on the basis of embodiment 1: heat dissipation grooves 25 are provided on both sides of the shell 1, and step mounting grooves 26 are provided on the outer sides of the heat dissipation grooves 25. A dustproof plate 27 is installed in the step mounting groove 26, and a plurality of heat dissipation ports 28 are provided on the dustproof plate 27.

[0041] In this embodiment, when the main control module 4 and other corresponding electronic components are working, the high temperature generated by them can be discharged to the outside of the outer casing 1 through the heat dissipation port 28 in the dustproof plate 27, thereby achieving the heat dissipation effect and preventing heat accumulation from causing problems to the electronic components. The step mounting groove 26 facilitates the installation and removal of the dustproof plate 27 to facilitate subsequent maintenance work.

[0042] Embodiment 9, as Figure 2 As shown, this embodiment adds the following structure on the basis of Embodiment 8, a plurality of heat dissipation openings 28 are arranged on the dustproof plate 27 from bottom to top, wherein the spacing between two adjacent heat dissipation openings 28 is equal, and the heat dissipation openings 28 are arranged in an inclined structure from outside to inside and from bottom to top.

[0043] In this embodiment, during use, the heat dissipation opening 28 is arranged in an inclined structure from outside to inside and from bottom to top, so that it can achieve a heat dissipation effect and a waterproof effect at the same time, and can effectively prevent external water from entering the housing 1 through the heat dissipation opening 28.

[0044] Embodiment 10, as Figure 2 As shown, this embodiment adds the following structure on the basis of the embodiment 8: a fan frame 29 is installed in the heat dissipation groove 25, and a plurality of evenly arranged silent fans 30 are installed on the fan frame 29.

[0045] In this embodiment, during operation, the silent fan 30 is started synchronously to accelerate the heat dissipation efficiency inside the housing 1 , and the silent fan 30 generates less noise during operation, thereby improving the use effect.

[0046] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A power device fault analysis and diagnosis device based on FDR technology, characterized in that: The invention comprises a shell (1), wherein an assembly frame (2) is installed in the shell (1), wherein an installation plate (3) is installed in the assembly frame (2), wherein a main control module (4) is installed on the installation plate (3), wherein the main control module (4) comprises a communication module (5), a detection module (6) and a signal detection and analysis module (7), wherein the main control module (4) is connected to the communication module (5), the detection module (6) and the signal detection and analysis module (7), wherein a touch display screen (8) is installed on the top of the shell (1), wherein a display and control module (9) is installed in the touch display screen (8), and wherein the display and control module (9) is connected to the main control module (4).

2. The power device fault analysis and diagnosis device based on FDR technology according to claim 1, characterized in that: The communication module (5) comprises a wired / wireless network interface (10), an RS485 interface (11) and a USB interface (12), and the communication module (5) is connected to the wired / wireless network interface (10), the RS485 interface (11) and the USB interface (12).

3. The power device fault analysis and diagnosis device based on FDR technology according to claim 2, characterized in that: The detection module (6) comprises a signal generator (13) and a reflection signal detector (14); the detection module (6) is connected to the signal generator (13) and the reflection signal detector (14); the signal generator (13) is connected to a transmission line (15); and the transmission line (15) is connected to a power device to be detected.

4. The power device fault analysis and diagnosis device based on FDR technology according to claim 3, characterized in that: The signal detection and analysis module (7) is connected to a data processing module (16).

5. The power device fault analysis and diagnosis device based on FDR technology according to claim 4 is characterized in that: The data processing module (16) comprises a reliability detection module (17) and a fault diagnosis module (18), and the data processing module (16) is connected to the reliability detection module (17) and the fault diagnosis module (18).

6. The power device fault analysis and diagnosis device based on FDR technology according to claim 5, characterized in that: The main control module (4) is also connected to a power module (19), and the power module (19) is connected to a storage battery (20).

7. The power device fault analysis and diagnosis device based on FDR technology according to claim 6, characterized in that: The main control module (4) is also connected to a storage module (21), and the storage module (21) comprises a FLASH storage (22), a DDR memory (23) and an SD card (24).

8. The power device fault analysis and diagnosis device based on FDR technology according to claim 7, characterized in that: Both sides of the housing (1) are provided with heat dissipation grooves (25), the outer sides of the heat dissipation grooves (25) are provided with step mounting grooves (26), a dustproof plate (27) is installed in the step mounting groove (26), and a plurality of heat dissipation openings (28) are provided on the dustproof plate (27).

9. The power device fault analysis and diagnosis device based on FDR technology according to claim 8, characterized in that: A plurality of heat dissipation openings (28) are arranged on the dustproof plate (27) in sequence from bottom to top, wherein the spacing between two adjacent heat dissipation openings (28) is equal, and the heat dissipation openings (28) are arranged in an inclined structure from outside to inside and from bottom to top.

10. The power device fault analysis and diagnosis device based on FDR technology according to claim 9, characterized in that: A fan frame (29) is also installed in the heat dissipation groove (25), and a plurality of evenly arranged silent fans (30) are installed on the fan frame (29).

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