CN211718427U - Fault line selection and positioning device for power transmission line - Google Patents
Fault line selection and positioning device for power transmission line Download PDFInfo
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- CN211718427U CN211718427U CN201922004833.6U CN201922004833U CN211718427U CN 211718427 U CN211718427 U CN 211718427U CN 201922004833 U CN201922004833 U CN 201922004833U CN 211718427 U CN211718427 U CN 211718427U
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Abstract
Transmission line trouble selection and positioner relates to transmission line engineering field, the utility model discloses a: hall current sensor, hall voltage sensor, overcurrent protector, overvoltage protector, AD converter, FPGA chip, power module, communication interface chip, wireless communication module, shell, lower mounting panel, first curb plate, last mounting panel, solar cell panel, first external connection board, second curb plate, first interface, second interface, circuit mounting panel and transmission line fixed establishment. The utility model discloses a set up hall current sensor, hall voltage sensor, overcurrent protector, overvoltage protector, AD converter, FPGA chip, power module, communication interface chip, wireless communication module and realize transmission line's fault line selection and location, fix a position accurately, quick, it is easy and simple to handle, have simple to operate, installation strong adaptability's characteristics.
Description
Technical Field
The utility model relates to a transmission line engineering technical field, concretely relates to transmission line trouble line selection and positioner.
Background
With the continuous development of national economy, the demand for electric power is increasing day by day. The transmission line is used as a main medium for electric energy transmission and is an important component of the operation of the whole power system. Therefore, the normal operation of the transmission line is the key point for ensuring the normal, safe and stable operation of the whole power system.
At present, common methods for fault location of a 66kV low-current grounding system include an impedance method, a traveling wave method, a signal injection method, a fault indicator method and the like. The impedance method is mainly used for a circuit with a simple structure; the traveling wave method is greatly influenced by line branches and transition resistance; the signal injection method needs manual hand-held detection equipment for detection along the line, and is complex in operation, time-consuming and labor-consuming. The methods are not suitable for the power transmission line with a complex structure in China. Another common fault location method is to implement online monitoring and sectional location of faults based on the principle of a fault indicator. The fault indicator is mainly used for realizing fault area positioning by monitoring the current of a lead in real time and setting a corresponding fault threshold value. However, the setting of the fault indicator threshold is closely related to the line load, and the setting of the fixed threshold detection method is not reliable due to the complicated and variable load.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned a great deal of problem that current transmission line fault location exists, provide a transmission line fault route selection and positioner.
The utility model discloses a solve the technical scheme that technical problem adopted as follows:
the utility model discloses a transmission line trouble line selection and positioner, include:
a housing;
an upper mounting plate and a lower mounting plate fixed at the upper and lower ends of the housing;
the first side plate and the second side plate are fixed at two ends of the shell;
a solar cell panel disposed on the upper mounting plate;
the second interface is arranged on the lower side of the right end of the shell;
the first interface is arranged on the lower side of the second side plate, and the first interface and the second interface are arranged correspondingly;
the Hall current sensor, the Hall voltage sensor, the over-current protector, the over-voltage protector, the AD converter, the FPGA chip, the power module, the communication interface chip, the wireless communication module, the circuit mounting plate and the power transmission line fixing mechanism are all arranged in the shell, and the Hall current sensor, the Hall voltage sensor, the over-current protector, the over-voltage protector, the AD converter, the FPGA chip, the power module, the communication interface chip, the wireless communication module and the circuit mounting plate are all arranged on the lower mounting plate; the hall current sensor is electrically connected with the overcurrent protector, the hall voltage sensor is electrically connected with the overvoltage protector, the overcurrent protector and the overvoltage protector are electrically connected with the AD converter, the AD converter is electrically connected with the FPGA chip, the communication interface chip and the wireless communication module are electrically connected with the FPGA chip, the hall current sensor, the hall voltage sensor, the overcurrent protector, the overvoltage protector, the AD converter, the FPGA chip, the communication interface chip and the wireless communication module are electrically connected with the power module, and the power module is electrically connected with the solar cell panel.
Further, the transmission line fixing mechanism comprises a first fixing pipe, a second fixing pipe, a third fixing pipe and a fixer; one end of the first fixing pipe is fixed on the left inner side wall of the shell, and the other end of the first fixing pipe is fixed on the Hall current sensor; one end of the second fixing tube is fixed on the Hall current sensor, and the other end of the second fixing tube is fixed on the Hall voltage sensor; one end of the third fixed pipe is fixed on the Hall voltage sensor, and the other end of the third fixed pipe is fixed on the right inner side wall of the shell; a plurality of uniformly distributed fixing devices are arranged in the first fixing pipe, the second fixing pipe and the third fixing pipe.
Further, the fixer includes four fixed blocks, and the contained angle between two adjacent fixed block axes is 90 degrees, and every fixed block front end all sets to the arc structure, and every fixed block front end both sides all set to the inclined plane structure, and four fixed blocks install the back and its central formation fixed orifices, and transmission line is fixed in this fixed orifices.
Further, the method also comprises the following steps: and the first external connecting plates are respectively arranged on the first side plate and the second side plate.
Further, the first external connecting plate is arranged into a hook type fixing structure.
Further, the method also comprises the following steps: the first side plate and the second side plate are respectively provided with two second external connecting plates; on the first side plate, two second external connecting plates are respectively positioned at two sides of the first external connecting plate; on the second side plate, two second external connecting plates are respectively positioned at two sides of the first external connecting plate.
Furthermore, the second external connecting plate comprises two connecting plates which are vertically fixed, threaded holes are formed in the connecting plates, and the device is mechanically connected and fixed with an external mechanism through the second external connecting plate.
Furthermore, the inner surfaces of the upper mounting plate and the lower mounting plate on the inner wall of the shell and the inner surface of the upper mounting plate and the lower mounting plate are respectively provided with an insulating fireproof layer.
Furthermore, waterproof layers are arranged on the outer surfaces of the upper mounting plate and the lower mounting plate of the outer wall of the shell.
The utility model has the advantages that:
1. the utility model discloses a set up hall current sensor, hall voltage sensor, overcurrent protector, overvoltage protector, AD converter, FPGA chip, power module, communication interface chip, wireless communication module and realize transmission line's trouble line selection and location, fix a position accurately, fast, easy and simple to handle.
2. The utility model discloses a set up wireless communication module, can realize wireless communication with last one-level prison center, improve work efficiency.
3. The utility model discloses a power module and solar cell panel are the power supply of whole device, have energy saving, extension fixture standby time, reduce intensity of labour's advantage.
4. Be provided with insulating flame retardant coating on the whole device inner wall, be provided with the waterproof layer on the whole device lateral wall and on the lower surface, reduce danger.
5. The utility model discloses a set up transmission line fixed establishment, realize being connected of whole device and transmission line, firm in connection is stable.
6. The utility model discloses a set up first external connection board and second external connection board and realize whole device and outside fixed, have simple to operate, installation strong adaptability's characteristics.
Drawings
Fig. 1 is the utility model discloses a transmission line trouble line selection and positioner's schematic structure diagram.
Fig. 2 is the utility model discloses a transmission line trouble line selection and positioner shell expandes the sketch map.
Fig. 3 is the utility model discloses a transmission line fault line selection and positioner each parts installation sketch map.
Fig. 4 is a schematic diagram of a transmission line fixing mechanism.
Fig. 5 is a schematic diagram of the circuit connection between the fault line selection and the positioning device of the power transmission line of the present invention.
In the figure: 1. hall current sensor, 2, Hall voltage sensor, 3, overcurrent protector, 4, overvoltage protector, 5, AD converter, 6, FPGA chip, 7, power module, 8, communication interface chip, 9, wireless communication module, 10, shell, 11, lower mounting panel, 12, first curb plate, 13, go up the mounting panel, 14, solar cell panel, 15, first external connecting plate, 16, second external connecting plate, 17, the second curb plate, 18, first interface, 19, the second interface, 20, circuit mounting panel, 21, first fixed pipe, 22, the fixed pipe of second, 23, the fixed pipe of third, 24, transmission line, 25, the fixed block, 26, the arc structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the utility model discloses a transmission line fault line selection and positioning device mainly includes:
hall current sensor 1, Hall voltage sensor 2, overcurrent protector 3, overvoltage protector 4, AD converter 5, FPGA chip 6, power module 7, communication interface chip 8, wireless communication module 9, shell 10, lower mounting panel 11, first curb plate 12, go up mounting panel 13, solar cell panel 14, first external connection board 15, second external connection board 16, second curb plate 17, first interface 18, second interface 19, circuit mounting panel 20 and transmission line fixed establishment.
The upper mounting plate 13 is fixed at the upper end of the housing 10, and the lower mounting plate 11 is fixed at the lower end of the housing 1.
The first side plate 12 is fixed at the left end of the housing 10, and the second side plate 17 is fixed at the right end of the housing 1.
The solar cell panel 14 is disposed on the upper mounting plate 13.
The number of the first external connection plates 15 is two, and one first external connection plate 15 is mounted on each of the first side plate 12 and the second side plate 17. The first external connection plate 15 is provided as a hook type fixing structure, which allows the device to be easily mounted on a carrier such as a plate.
The number of second outer connecting plates 16 is four. Two second external connecting plates 16 are mounted on each of the first side plate 12 and the second side plate 17. The second external connecting plate 16 comprises two vertical connecting plates, threaded holes are formed in the connecting plates, and the device and an external mechanism can be mechanically connected and fixed through the second external connecting plate 16.
On the first side plate 12, two second external connection plates 16 are located on both sides of the first external connection plate 15, respectively.
On the second side plate 17, two second external connection plates 16 are located on both sides of the first external connection plate 15, respectively.
A second port 19 is provided on the lower right end of the housing 10.
A first port 18 is provided on the lower side of the second side plate 17, and the first port 18 is provided in correspondence with the position of the second port 19.
The inner wall of the whole device is provided with an insulating fireproof layer, and waterproof layers are arranged on the upper surface and the lower surface of the outer side wall of the whole device. Namely: the upper and lower mounting panel 13 internal surface of shell 10 inner wall, 11 internal surfaces of lower mounting panel all are provided with insulating flame retardant coating, and the upper and lower mounting panel 11 surface of shell 10 outer wall all is provided with the waterproof layer. The insulating fireproof layer and the waterproof layer are made of the existing products on the market.
As shown in fig. 3, hall current sensor 1, hall voltage sensor 2, overcurrent protector 3, overvoltage protector 4, AD converter 5, FPGA chip 6, power module 7, communication interface chip 8, wireless communication module 9, circuit mounting board 20 and transmission line fixed establishment all install inside shell 10, wherein hall current sensor 1, hall voltage sensor 2, overcurrent protector 3, overvoltage protector 4, AD converter 5, FPGA chip 6, power module 7, communication interface chip 8, wireless communication module 9, circuit mounting board 20 all installs on lower mounting board 11. The circuit mounting plate 20 is fixed to the lower right end of the lower mounting plate 11. The wireless communication module 9, the AD converter 5, the FPGA chip 6 and the communication interface chip 8 are sequentially arranged on the circuit mounting plate 20 from left to right. The second interface 19 is mounted on the right end of the circuit mounting board 20 and exposes the housing 10.
The Hall current sensor 1 and the Hall voltage sensor 2 are arranged in the middle of the left end of the lower mounting plate 11. And the overcurrent protector 3 and the overvoltage protector 4 are arranged at the upper right end of the lower mounting plate 11.
The power module 7 is arranged at the right upper end of the lower mounting plate 11 and is positioned above the overcurrent protector 3 and the overvoltage protector 4.
As shown in fig. 3 and 4, the power transmission line fixing mechanism mainly includes a first fixing tube 21, a second fixing tube 22, a third fixing tube 23, and a fixer. One end of the first fixing tube 21 is fixed on the left inner side wall of the shell 10, and the other end is fixed on the hall current sensor 1. One end of the second fixed tube 22 is fixed on the hall current sensor 1, and the other end is fixed on the hall voltage sensor 2. One end of the third fixing tube 23 is fixed on the hall voltage sensor 2, and the other end is fixed on the right inner side wall of the shell 10. The fixer is the multiunit, and first fixed pipe 21, the inside fixer that all is provided with a plurality of equipartitions of second fixed pipe 22, third fixed pipe 23. As shown in fig. 4, the fixer mainly includes four fixing blocks 25, an included angle between axes of two adjacent fixing blocks 25 is 90 degrees, a front end of each fixing block 25 is set to be an arc-shaped structure 26, two sides of the front end are set to be an inclined plane structure, a fixing hole is formed in the center of each fixing block 25 after installation, and the power transmission line 24 is fixed in the fixing hole.
As shown in fig. 5, the hall current sensor 1 is electrically connected with the overcurrent protector 3, the overcurrent protector 3 is electrically connected with the AD converter 5, the hall voltage sensor 2 is electrically connected with the overvoltage protector 4, the overvoltage protector 4 is electrically connected with the AD converter 5, the AD converter 5 is electrically connected with the FPGA chip 6, and the communication interface chip 8 and the wireless communication module 9 are electrically connected with the FPGA chip 6. The Hall current sensor 1, the Hall voltage sensor 2, the overcurrent protector 3, the overvoltage protector 4, the AD converter 5, the FPGA chip 6, the communication interface chip 8 and the wireless communication module 9 are all electrically connected with the power module 7. The power module 7 is electrically connected to the solar cell panel 14.
The utility model discloses a transmission line trouble line selection and positioner, the during operation, through the electric current on the 24 transmission line of hall current sensor 1 measurement, the current signal output who records gives overcurrent protector 3, realizes overcurrent protection through overcurrent protector 3, and current signal exports for FPGA chip 6 and carries out corresponding processing after 5 conversions of AD converter, and the surveillance center who gives last one-level through wireless communication module 9 transmission carries out processing on next step. Similarly, the voltage on the power transmission line 24 is measured through the Hall voltage sensor 2, the measured voltage signal is output to the overvoltage protector 4, overvoltage protection is achieved through the overvoltage protector 4, the voltage signal is converted through the AD converter 5 and then output to the FPGA chip 6 to be correspondingly processed, and the voltage signal is transmitted to the monitoring center of the upper stage through the wireless communication module 9 to be processed on the next stage.
The utility model discloses a trouble route selection and location that transmission line 24 was realized to hall current sensor 1, hall voltage sensor 2, overcurrent protector 3, overvoltage protector 4, AD converter 5, FPGA chip 6, power module 7, communication interface chip 8, wireless communication module 9, fix a position accurately, fast, improved work efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. Transmission line trouble selection and positioner, its characterized in that includes:
a housing;
an upper mounting plate and a lower mounting plate fixed at the upper and lower ends of the housing;
the first side plate and the second side plate are fixed at two ends of the shell;
a solar cell panel disposed on the upper mounting plate;
the second interface is arranged on the lower side of the right end of the shell;
the first interface is arranged on the lower side of the second side plate, and the first interface and the second interface are arranged correspondingly;
the Hall current sensor, the Hall voltage sensor, the over-current protector, the over-voltage protector, the AD converter, the FPGA chip, the power module, the communication interface chip, the wireless communication module, the circuit mounting plate and the power transmission line fixing mechanism are all arranged in the shell, and the Hall current sensor, the Hall voltage sensor, the over-current protector, the over-voltage protector, the AD converter, the FPGA chip, the power module, the communication interface chip, the wireless communication module and the circuit mounting plate are all arranged on the lower mounting plate; the hall current sensor is electrically connected with the overcurrent protector, the hall voltage sensor is electrically connected with the overvoltage protector, the overcurrent protector and the overvoltage protector are electrically connected with the AD converter, the AD converter is electrically connected with the FPGA chip, the communication interface chip and the wireless communication module are electrically connected with the FPGA chip, the hall current sensor, the hall voltage sensor, the overcurrent protector, the overvoltage protector, the AD converter, the FPGA chip, the communication interface chip and the wireless communication module are electrically connected with the power module, and the power module is electrically connected with the solar cell panel.
2. The transmission line fault line selection and positioning device of claim 1, wherein the transmission line fixing mechanism comprises a first fixing tube, a second fixing tube, a third fixing tube and a fixer; one end of the first fixing pipe is fixed on the left inner side wall of the shell, and the other end of the first fixing pipe is fixed on the Hall current sensor; one end of the second fixing tube is fixed on the Hall current sensor, and the other end of the second fixing tube is fixed on the Hall voltage sensor; one end of the third fixed pipe is fixed on the Hall voltage sensor, and the other end of the third fixed pipe is fixed on the right inner side wall of the shell; a plurality of uniformly distributed fixing devices are arranged in the first fixing pipe, the second fixing pipe and the third fixing pipe.
3. The transmission line fault line selection and positioning device of claim 2, wherein the fixer comprises four fixing blocks, an included angle between axes of two adjacent fixing blocks is 90 degrees, the front end of each fixing block is arranged to be in an arc structure, two sides of the front end of each fixing block are arranged to be in an inclined plane structure, a fixing hole is formed in the center of each fixing block after the four fixing blocks are installed, and the transmission line is fixed in the fixing hole.
4. The transmission line fault line selection and positioning device of claim 1, further comprising: and the first external connecting plates are respectively arranged on the first side plate and the second side plate.
5. The transmission line fault routing and locating device of claim 4 wherein the first external connection plate is configured as a hook-type fixed structure.
6. The transmission line fault line selection and positioning device of claim 4, further comprising: the first side plate and the second side plate are respectively provided with two second external connecting plates; on the first side plate, two second external connecting plates are respectively positioned at two sides of the first external connecting plate; on the second side plate, two second external connecting plates are respectively positioned at two sides of the first external connecting plate.
7. The transmission line fault line selection and positioning device of claim 6, wherein the second external connection plate comprises two connection plates which are vertically fixed, threaded holes are formed in the connection plates, and the device is mechanically connected and fixed with an external mechanism through the second external connection plate.
8. The transmission line fault line selection and positioning device of claim 1, wherein the inner surfaces of the upper mounting plate, the upper mounting plate and the lower mounting plate on the inner wall of the housing are provided with insulating fireproof layers.
9. The transmission line fault line selection and positioning device of claim 1, wherein waterproof layers are arranged on the outer surfaces of the upper and lower mounting plates on the outer wall of the outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004833.6U CN211718427U (en) | 2019-11-19 | 2019-11-19 | Fault line selection and positioning device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004833.6U CN211718427U (en) | 2019-11-19 | 2019-11-19 | Fault line selection and positioning device for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211718427U true CN211718427U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004833.6U Active CN211718427U (en) | 2019-11-19 | 2019-11-19 | Fault line selection and positioning device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211718427U (en) |
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2019
- 2019-11-19 CN CN201922004833.6U patent/CN211718427U/en active Active
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