Self-closing through cable line fault positioning device
By designing a self-closed through-cable cable line fault positioning device with multiple power withdrawal methods, using current sensors, GPS modules and 4G communication modules, the rapid and accurate positioning of railway self-closed/through line faults is achieved, and the problem of low accuracy of fault diagnosis in the prior art is solved.
Patent Information
- Application Number
- CN202420469523.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-03-12
AI Technical Summary
The existing railway self-closing/through line fault indicators cannot accurately identify single-phase grounding faults and high-resistance grounding faults, with an accuracy rate of less than 50%, so it is impossible to quickly and accurately diagnose faults.
A self-closed through-cable cable line fault positioning device is designed, adopting a variety of power withdrawal methods (main power withdrawal, solar power withdrawal and battery power supply), and through current sensors, GPS modules and 4G communication modules, accurate positioning and data feedback of high-voltage line defect discharge points are achieved.
It realizes rapid and accurate positioning of self-closed through cable line faults, improves the accuracy and reliability of fault diagnosis, reduces electromagnetic interference, and simplifies the mains power withdrawal operation.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to a fault locating device, in particular to a self-closing through-cable line fault locating device, belonging to the technical field of high-voltage line fault locating equipment. Background Art
[0002] The high-voltage lines of railway signal power supply mainly include automatic block lines (abbreviated as automatic block lines) and power through lines (abbreviated as through lines). The power supply reliability requirements are high and it is extremely important to ensure the safe operation of railways. The operating environment along the railway automatic block / through lines is harsh and prone to failures. In serious cases, it will affect the safe and stable operation of the railway system. At present, the automatic block through lines of the domestic railway power distribution system have applied fault indicators, but they only indicate interval faults and cannot identify single-phase grounding faults and high-resistance grounding faults. The accuracy rate is less than 50%, and the effect is not good. Rapid and accurate diagnosis of automatic block through faults is of great significance.
[0003] Therefore, in order to solve the above problems, a self-closing through-cable line fault locating device is proposed. Utility Model Content
[0004] The purpose of the utility model is to solve the above-mentioned shortcomings and provide a self-closing through-cable line fault locating device, which has multiple power supply modes and reliable power supply, reduces electromagnetic interference, facilitates the mains power supply process, and accurately locates the defective discharge position.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A self-closing through-cable line fault locating device comprises a shell; a first power taking module is connected to the outer side of the shell; a second power taking module is arranged in the shell; the first power taking module and the second power taking module are respectively connected to a power control board; the power control board is connected to a main board; the main board is connected to a current sensor, a positioning module and a communication module.
[0007] Furthermore, the shell includes an upper shell and a lower shell; the first power supply module is a solar panel; the solar panel is connected to the outside of the upper shell through a hinge; a solar power supply interface is also provided outside the upper shell; the solar power supply port is connected to the power control board through a wire; the upper shell and the lower shell are divided by a partition.
[0008] Furthermore, the upper shell is connected to an upper waterproof cover; the lower shell is provided with a mains power supply window; the second power supply module includes a mains power supply unit; the mains power supply unit, the power supply control board, and the main board are electrically connected in sequence; and the mains power supply unit is arranged in the lower shell.
[0009] Furthermore, it also includes a battery; the battery is connected to the power control board.
[0010] Furthermore, the positioning module is a GPS module; the communication module is a 4G module; the positioning module and the communication module are both arranged in the lower shell; wiring holes are opened on the bottom and the partition of the lower shell; and the main board is arranged in the upper shell.
[0011] Furthermore, the mains power intake window is connected to the lower shell through a quick-opening bolt; a waterproof flange is provided between the upper shell and the upper waterproof cover.
[0012] Furthermore, a solar panel support rod is connected between the lower shell and the solar panel; and a back-hanging steel tie connector is connected to the outer side of the upper waterproof cover.
[0013] The utility model has the following beneficial effects: it can provide three power supply modes: mains power, solar power and battery power, and the power supply is reliable; inside the device, the mains power module and the mainboard are respectively located in the upper shell and the lower shell, so as to achieve partition placement and reduce electromagnetic interference.
[0014] At the same time, the current sensor can be used to locate the defective discharge point on the high-voltage line based on the principle of traveling waves, and the location and time can be fed back to the background data center through the positioning module and communication module. Finally, the mains power supply window is connected to the lower shell through a quick-opening bolt, which is convenient to open and close, and the wiring is extremely convenient when operating the mains power supply. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model.
[0016] Figure 2 It is a structural schematic diagram of another aspect of the utility model.
[0017] Figure 3 It is a schematic diagram of the internal structure of the utility model.
[0018] Figure 4 It is a schematic diagram of the internal structure of the upper shell of the utility model.
[0019] Figure 5 It is a structural schematic diagram of the lower shell in the utility model.
[0020] Figure 6 It is a schematic diagram of the working principle of the utility model.
[0021] In the figure: 1 is a solar panel, 2 is a shell, 3 is a battery, 4 is a power control board, 5 is a mainboard, 6 is a mains unit, 7 is a GPS module, 8 is a 4G communication module, 11 is a back-hanging steel tie connector, 12 is a solar panel support rod, 13 is a quick-opening bolt, 14 is a solar power interface, 21 is an upper shell, 22 is an upper waterproof cover, 23 is a mains power window, 24 is a lower shell, 25 is a waterproof flange, and 26 is a partition. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] The terms used herein, including technical and scientific terms, have the same meaning as those generally understood by those skilled in the art, unless the terms are defined differently. It should be understood that the terms defined in commonly used dictionaries have the same meaning as those in the prior art.
[0024] See also Figure 1-Figure 6
[0025] A self-closing through-cable line fault locating device comprises a shell 2; a first power taking module is connected to the outer side of the shell 2; a second power taking module is arranged inside the shell 2; the first power taking module and the second power taking module are respectively connected to a power control board 4; the power control board 4 is connected to a main board 5; the main board 5 is connected to a current sensor, a positioning module and a communication module.
[0026] Furthermore, the shell 2 includes an upper shell 21 and a lower shell 24; the first power supply module is a solar panel 1; the solar panel 1 is connected to the outer side of the upper shell 21 through a hinge; a solar power supply interface 14 is also provided outside the upper shell 21; the solar power supply interface 14 is connected to the power control board 4 through a wire; the upper shell 21 and the lower shell 24 are divided by a partition 26.
[0027] Furthermore, the upper shell 21 is connected to an upper waterproof cover; the lower shell 24 is provided with a mains power supply window 23; the second power supply module includes a mains power supply unit 6; the mains power supply unit 6, the power supply control board 4, and the main board 5 are electrically connected in sequence; and the mains power supply unit 6 is arranged in the lower shell 24.
[0028] The power control board 4 is fixed in the upper shell 21 of the device, connected to the solar power interface 14 through a wire, its input end is electrically connected to the output of the AC power module 6, the power control board 4 is electrically connected to the battery 3, and its output end is electrically connected to the mainboard 5. Its function is to provide power to the mainboard and charge the battery 3.
[0029] The main board 5 is fixed in the upper shell 21 of the device, and is electrically connected to the power control board 4, the GPS module 7, the 4G communication module 8, and an external current sensor. Its functions are as follows: the power control board 4 provides power to the main board, the main board 5 collects data from the current sensor, uses the GPS module 7 to synchronize the data, and then transmits the data to the data center through the 4G communication module 8; executes the instructions of the data center transmitted from the 4G communication module 8.
[0030] The mains module 5 is fixed in the lower housing 24 of the device, and is connected to the mains. Its output is connected to the power control board 4, and its function is to supply power to the device through the mains.
[0031] The GPS module 7 is fixed in the lower housing 24 of the device and is electrically connected to the mainboard 5. Its function is to obtain the GPS location and time data of the device and transmit the data to the mainboard.
[0032] The 4G communication module 8 is fixed in the lower housing 24 of the device and is electrically connected to the mainboard 5. Its functions are: sending the data processed by the mainboard to the data center; receiving instructions from the data center and transmitting them to the mainboard.
[0033] Furthermore, it also includes a battery 3; the battery 3 is connected to the power control board 4 and the main board.
[0034] Furthermore, the positioning module is a GPS module 7; the communication module is a 4G module 8; the positioning module and the communication module are both arranged in the lower shell 24; wiring holes are opened on the bottom of the lower shell 24 and the partition 26; the mainboard 5 is arranged in the upper shell 21.
[0035] Furthermore, the mains power intake window 23 is connected to the lower shell 24 via a quick-open bolt 13 ; a waterproof flange 25 is provided between the upper shell 31 and the upper waterproof cover 22 .
[0036] Furthermore, a solar panel support rod 12 is connected between the lower shell 24 and the solar panel 1; and a back-hanging steel tie connector 11 is connected to the outer side of the upper waterproof cover.
[0037] The back-hanging steel tie connector is installed on the outside of the waterproof cover 21 of the device. Its function is to use it and the steel tie to make the device back-hang on the cable line.
[0038] The solar panel support rod has one end fixed on the lower shell 24 of the device and the other end fixed on the solar panel. Its function is to support the solar panel, increase its area for receiving sunlight, and improve the efficiency of solar power supply.
[0039] The quick-opening bolt is fixed on the lower shell 24 of the device and can rotate. When it is rotated to the "open" position, the mains power intake window 23 can be opened; when it is rotated to the "closed" position, the mains power intake window 23 can be fixed to the lower shell 24 of the device. Its function is to control the opening and closing of the mains power intake window 23.
[0040] The solar power interface is installed outside the upper shell 21 of the device. The output of the solar panel 1 is connected to the solar power interface 14. Its function is to supply power to the device through the solar panel 1.
[0041] The upper shell of the device has a battery 3, a power control board 4, and a main board 5 fixed inside, and the top of the outer shell is connected to the solar panel 1 through a hinge.
[0042] The upper waterproof cover of the device has a back-hanging steel tie connector 11 fixed to its outside. The waterproof flange is located at the connection between the upper shell 21 of the device and the upper waterproof cover 22 of the device. Its function is to waterproof the connection between the upper shell of the device. The mains power supply window is fixed to the lower shell 24 of the device through a hinge on one side and can be fixed to the lower shell 24 of the device through a quick-open bolt 13 on the other side. The lower shell of the device has a mains module 6, a GPS module 7, and a 4G communication module 8 fixed inside it, and there are multiple wire holes on its bottom surface. Function: connect the external sensor to the mains through the wire holes.
[0043] When connecting to the mains, first rotate the quick-open bolt to the "open" position, open the mains access window 23, extend the external mains power line through the hole on the bottom of the lower shell 24 of the device into the lower shell 24 of the device, and then connect the power line to the mains module 6 accordingly. After the connection is completed, close the mains access window 23, and finally rotate the quick-open bolt to the "closed" position. The partition is located between the upper shell 21 and the lower shell 24 of the device, and there are multiple small = line controls on it. The function is to partition the components and facilitate wiring.
[0044] In actual use, the sensor is clipped onto the corresponding cable line, the quick-open bolt of the device is rotated to the "open" position, the mains power access window of the device is opened, the mains power line is connected, the mains power access window is closed, and the quick-open bolt is rotated to the "closed" position. After the device is powered on, the power frequency and traveling wave current on the line are collected at all times. After being processed by the mainboard, the processed signal is transmitted to the data analysis center through the 4G communication board. The data analysis center analyzes the fault point according to the traveling wave signal and provides fault information to the maintenance personnel in a timely manner.
[0045] Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the utility model rather than limiting it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A self-closing through-cable line fault locating device, characterized in that: It includes a shell; a first power-taking module is connected to the outer side of the shell; a second power-taking module is arranged in the shell; the first power-taking module and the second power-taking module are respectively connected to the power control board; the power control board is connected to the main board; the main board is connected to the current sensor, the positioning module and the communication module.
2. A self-closing through-cable line fault locating device according to claim 1, characterized in that: The shell includes an upper shell and a lower shell; the first power supply module is a solar panel; the solar panel is connected to the outer side of the upper shell through a hinge; a solar power supply interface is also provided outside the upper shell; the solar power supply interface is connected to the power control board through a wire; the upper shell and the lower shell are divided by a partition.
3. A self-closing through-cable line fault locating device according to claim 2, characterized in that: The upper shell is connected with an upper waterproof cover; the lower shell is provided with a mains power supply window; the second power supply module includes a mains power supply unit; the mains power supply unit, power supply control board and main board are electrically connected in sequence; the mains power supply unit is arranged in the lower shell.
4. A self-closing through-cable line fault locating device according to claim 3, characterized in that: It also includes a battery; the battery is connected to the power control board.
5. A self-closing through-cable line fault locating device according to claim 4, characterized in that: The positioning module is a GPS module; the communication module is a 4G module; the positioning module and the communication module are both arranged in the lower shell; wiring holes are provided on the bottom and the partition of the lower shell; and the mainboard is arranged in the upper shell.
6. A self-closing through-cable line fault locating device according to claim 5, characterized in that: The mains power supply window is connected to the lower shell through a quick-opening bolt; a waterproof flange is arranged between the upper shell and the upper waterproof cover.
7. A self-closing through-cable line fault locating device according to claim 6, characterized in that: A solar panel support rod is connected between the lower shell and the solar panel; and a back-hanging steel tie connector is connected to the outer side of the upper waterproof cover.