CN219936009U - Space induction type contact net fault monitoring device - Google Patents
Space induction type contact net fault monitoring device Download PDFInfo
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- CN219936009U CN219936009U CN202320820083.3U CN202320820083U CN219936009U CN 219936009 U CN219936009 U CN 219936009U CN 202320820083 U CN202320820083 U CN 202320820083U CN 219936009 U CN219936009 U CN 219936009U
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- 230000006698 induction Effects 0.000 title claims abstract description 22
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 239000004593 Epoxy Substances 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a space induction type contact net fault monitoring device, which comprises: the device comprises a current sensor, a shell and a main board, wherein the current sensor is fixed at the top of the shell, the main board is arranged in the shell, and the current sensor is electrically connected with the main board respectively; the current sensor is used for sensing a power frequency current magnetic field signal and a traveling wave current magnetic field signal which are generated by the three-phase lead in the surrounding space. The beneficial effects of the utility model are as follows: the line fault information of the overhead line system can be early warned in time, and an overhaul basis is provided for overhaul personnel; the electric wire is not contacted, so that secondary faults are eliminated, and the electric wire can be normally installed and maintained in an electrified state; can replace manual inspection and inspection of a contact net detection vehicle.
Description
Technical Field
The utility model relates to the field of overhead line system fault monitoring, in particular to a space induction overhead line system fault monitoring device.
Background
The overhead contact system is used as an important component in an electrified railway traction power supply system and is responsible for the current taking of an electric locomotive, and the state of the overhead contact system directly influences the safe operation of the locomotive. The overhead contact system is characterized in that no standby is arranged along the line, equipment is exposed, the working environment is bad, and the overhead contact system is extremely fragile and easy to break down due to the characteristics. Therefore, integrity and safety monitoring of the catenary system is of paramount importance in order to ensure safe operation of the locomotive.
For monitoring the contact net, a great deal of research and practice work are carried out at home and abroad, and most of the research is to monitor the geometric parameters of the contact net, such as the contact line height, the contact line tension, the pull-out value and the like, while the research on the contact net monitoring and fault monitoring is relatively late.
At present, the monitoring mode of the overhead line system mainly comprises manual inspection and inspection of an overhead line inspection vehicle, the manual inspection workload is large, the period is long, the requirement of high-speed operation of an electric locomotive cannot be met, the measurement error of the inspection vehicle inspection mode in high-speed operation is large, and the accuracy is not high.
In recent years, traveling wave fault locating technology is widely applied to a power grid, but the traveling wave fault locating technology is required to be installed on the high-voltage environment side of a circuit body, power failure installation is required, and the traveling wave fault locating technology is disturbed by high-voltage and strong magnetic environments throughout the year, so that the reliability of equipment can be affected to different degrees.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a space induction type overhead contact system fault monitoring device so as to overcome the defects in the prior art.
The technical scheme for solving the technical problems is as follows: a space induction catenary fault monitoring device, comprising: the device comprises a current sensor, a shell and a main board, wherein the current sensor is fixed at the top of the shell, the main board is arranged in the shell, and the current sensor is electrically connected with the main board; the current sensor is used for sensing a power frequency current magnetic field signal and a traveling wave current magnetic field signal which are generated by the three-phase lead in the surrounding space.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the method further comprises the following steps: the storage battery, the power panel and the solar interface are arranged at the tail end of the shell, the storage battery and the power panel are arranged in the shell, and the storage battery, the solar interface and the main board are respectively electrically connected with the power panel.
Further, the method further comprises the following steps: the epoxy board is fixed in the shell, and power panel, mainboard and battery are all fixed on the epoxy board.
Further, the method further comprises the following steps: and the radiating fin is arranged below the power panel and is fixed with the epoxy panel.
Further, the method further comprises the following steps: the power switch is arranged at the tail end of the shell and is electrically connected with the power panel.
Further, the housing includes: the outer cover is sleeved outside the bottom shell in a drawing mode, and the bottom shell and the outer cover are made of metal materials.
Further, the method further comprises the following steps: the weather shield, the weather shield sets up in the shell front end.
The beneficial effects of the utility model are as follows:
1) The space induction type overhead contact system fault monitoring device is arranged on a tower below an overhead contact system line, the current sensor is used for sensing a power frequency current magnetic field signal and a traveling wave current magnetic field signal which are generated by a three-phase wire in the surrounding space, the main board receives the power frequency current magnetic field signal and the traveling wave current magnetic field signal which are acquired by the current sensor and processes the signals, then the data is sent to a data center, a data instruction of the data center is received and executed, the data center processes the power frequency current magnetic field signal to obtain a magnetic field fundamental wave signal, so that whether the line is faulty or not is judged, if yes, a fault point is further positioned through the traveling wave current magnetic field signal, if no, the line is faulty, the line fault information of the overhead contact system can be early warned in time, and a maintenance basis is provided for maintenance personnel;
2) The electric wire is not contacted, so that secondary faults are eliminated, and the electric wire can be normally installed and maintained in an electrified state;
3) The system can replace manual inspection and inspection of a contact net detection vehicle;
4) The anti-interference performance is strong.
Drawings
Fig. 1 is a structural diagram of a space induction type overhead line system fault monitoring device according to the present utility model;
fig. 2 is an exploded view of the space induction type overhead contact line fault monitoring device according to the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the solar energy power supply comprises a current sensor, 2, a shell, 210, a bottom shell, 220, a housing, 3, a main board, 4, a storage battery, 5, a power supply board, 6, a solar interface, 7, an epoxy board, 8, a radiating fin, 9, a power switch, 10 and a rain shield.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
As shown in fig. 1 and 2, a space induction type overhead contact line fault monitoring device includes: a current sensor 1, a housing 2 and a main board 3; the current sensor 1 is fixed on the top of the housing 2, and in general, the current sensor 1 can be fixed on the top of the housing 2 by adopting screws; the main board 3 is arranged in the shell 2, the signal output end of the current sensor 1 is electrically connected with the signal input end of the main board 3, the space induction type overhead contact system fault monitoring device is arranged on a pole tower below an overhead contact system line, the current sensor 1 is used for inducing a power frequency current magnetic field signal and a traveling wave current magnetic field signal which are generated by a three-phase wire in the surrounding space, the main board 3 receives the power frequency current magnetic field signal and the traveling wave current magnetic field signal which are acquired by the current sensor 1, processes the power frequency current magnetic field signal and the traveling wave current magnetic field signal, then transmits data to a data center, receives a data instruction of the data center and executes the data instruction, the data center processes the power frequency current magnetic field signal to obtain a magnetic field fundamental wave signal, so that whether the line is faulty or not is judged, if the line is faulty, the fault point is further positioned through the traveling wave current magnetic field signal, and if the fault is not.
Example 2
As shown in fig. 1 and 2, this embodiment is a further improvement on the basis of embodiment 1, and is specifically as follows:
space induction type contact net fault monitoring device still includes: the storage battery 4, the power panel 5 and the solar interface 6, the solar interface 6 sets up at the shell 2 tail end, the storage battery 4 and the power panel 5 all arrange in the shell 2, the output of storage battery 4 is connected with the power input of power panel 5, the output of solar interface 6 is connected with the power input of power panel 5, and the power output of power panel 5 is connected with the power input of mainboard 3 electricity, solar panel can insert in the solar interface 6 and provide electric energy and charge to the storage battery 4 for whole device, the storage battery 4 is as stand-by power supply, under unstable or outage circumstances of solar energy power supply etc. the device is guaranteed to the power supply of storage battery 4.
Example 3
As shown in fig. 1 and 2, this embodiment is a further improvement on the basis of embodiment 2, and is specifically as follows:
space induction type contact net fault monitoring device still includes: epoxy board 7, epoxy board 7 are fixed in shell 2, and power board 5, mainboard 3 and battery 4 are all fixed on epoxy board 7, and epoxy board 7 is mainly used for supporting each inside part of fixed shell 2.
Example 4
As shown in fig. 1 and 2, this embodiment is a further improvement on the basis of embodiment 3, and is specifically as follows:
space induction type contact net fault monitoring device still includes: the fin 8, fin 8 are arranged below power strip 5, and fin 8 is fixed mutually with epoxy board 7, and fin 8 is used for dispelling the heat to power strip 5.
Example 5
As shown in fig. 1 and 2, this embodiment is a further improvement on any one of embodiments 2 to 4, and specifically includes the following:
space induction type contact net fault monitoring device still includes: the power switch 9, the power switch 9 sets up at shell 2 tail end, and power switch 9 is connected with power strip 5 electricity, through power switch 9, can control whole device switch-on and switch-off.
Example 6
As shown in fig. 1 and 2, this embodiment is a further improvement on any one of embodiments 2 to 5, and specifically includes the following:
the housing 2 includes: the bottom shell 210 and the outer cover 220 are sleeved outside the bottom shell 210 in a drawing mode, so that the installation of internal parts is facilitated, and in addition, the bottom shell 210 and the outer cover 220 are made of metal materials, so that the internal parts are prevented from being subjected to strong magnetic interference; the power switch 9 and the solar interface 6 are both fixed at the tail end of the bottom shell 210; the epoxy plate 7 is fixed to the bottom case 210.
Example 7
As shown in fig. 1 and 2, this embodiment is a further improvement on any one of embodiments 1 to 6, and specifically includes the following:
space induction type contact net fault monitoring device still includes: the rain shield 10. The rain shield 10 is arranged at the front end of the shell 2, so that the whole device can be shielded from rain.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (7)
1. A space induction type overhead contact system fault monitoring device, comprising: the device comprises a current sensor (1), a shell (2) and a main board (3), wherein the current sensor (1) is fixed at the top of the shell (2), the main board (3) is arranged in the shell (2), and a storage battery (4) and the current sensor (1) are respectively and electrically connected with the main board (3); the current sensor (1) is used for sensing a power frequency current magnetic field signal and a traveling wave current magnetic field signal which are generated by the three-phase lead in the surrounding space.
2. The space induction catenary fault monitoring device of claim 1, further comprising: the solar energy power panel (5) and solar energy interface (6), solar energy interface (6) set up shell (2) tail end, battery (4) and power panel (5) equipartition are in shell (2), battery (4) solar energy interface (6) with mainboard (3) respectively with power panel (5) electricity is connected.
3. The space induction catenary fault monitoring device of claim 2, further comprising: the power panel (5), the main board (3) and the storage battery (4) are all fixed on the epoxy panel (7).
4. A space induction catenary fault monitoring device according to claim 3, further comprising: and the radiating fins (8) are arranged below the power panel (5), and the radiating fins (8) are fixed with the epoxy panel (7).
5. The space induction catenary fault monitoring device of claim 2, further comprising: the power supply switch (9), the power supply switch (9) is arranged at the tail end of the shell (2), and the power supply switch (9) is electrically connected with the power panel (5).
6. A device for monitoring the faults of a space-sensitive catenary according to any one of claims 1 to 5, characterized in that the casing (2) comprises: the bottom shell (210) and the outer cover (220), wherein the outer cover (220) is sleeved outside the bottom shell (210) in a drawing mode, and the bottom shell (210) and the outer cover (220) are made of metal materials.
7. The space induction catenary fault monitoring device according to any one of claims 1 to 5, further comprising: the rain shield (10) is arranged at the front end of the shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320820083.3U CN219936009U (en) | 2023-04-13 | 2023-04-13 | Space induction type contact net fault monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320820083.3U CN219936009U (en) | 2023-04-13 | 2023-04-13 | Space induction type contact net fault monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219936009U true CN219936009U (en) | 2023-10-31 |
Family
ID=88494703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320820083.3U Active CN219936009U (en) | 2023-04-13 | 2023-04-13 | Space induction type contact net fault monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219936009U (en) |
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2023
- 2023-04-13 CN CN202320820083.3U patent/CN219936009U/en active Active
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