CN114252728A - Remote alarm device for power transmission line leakage fault of transformer substation - Google Patents
Remote alarm device for power transmission line leakage fault of transformer substation Download PDFInfo
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- CN114252728A CN114252728A CN202111437986.5A CN202111437986A CN114252728A CN 114252728 A CN114252728 A CN 114252728A CN 202111437986 A CN202111437986 A CN 202111437986A CN 114252728 A CN114252728 A CN 114252728A
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- transmission line
- power transmission
- junction box
- alarm device
- line body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
Abstract
The invention discloses a remote alarm device for a power transmission line leakage fault of a transformer substation, which relates to the technical field of transformer substation equipment and comprises a junction box and a power transmission line body, wherein the power transmission line body is arranged at the output end of the junction box, a wiring groove is arranged in the junction box, a leakage protection circuit breaker is arranged in the middle of the wiring groove, wiring rows are arranged on two sides of the leakage protection circuit breaker, a partition plate is arranged at the lower end of the junction box, a controller is arranged below the partition plate, a wired networking module is arranged on one side of the controller, a grounding wire is arranged outside the junction box, and a cabinet door is hinged to the front side of the junction box; evenly set up test terminal on the transmission line body through setting up the sheath, when taking place the electric leakage, the test terminal near corresponding position produces the signal, plays supplementary judgement effect to the electric leakage position through the signal, improves the convenience that line loss position investigation was overhauld, makes things convenient for transformer substation's line loss electric leakage investigation.
Description
Technical Field
The invention relates to the technical field of transformer substation equipment, in particular to a remote alarm device for a leakage fault of a power transmission line of a transformer substation.
Background
Transformer substation, place of changing voltage. In order to transmit the electric energy generated by the power plant to a remote place, the voltage must be increased to become high voltage, and then the voltage is decreased as required near the user, and the voltage increasing and decreasing work is completed by a transformer substation. The main equipment of a substation are switches and transformers. The small transformer substations are called as transformer substations according to different sizes. The transformer substation is larger than the substation. The transformer substation refers to a step-down transformer substation with the voltage grade below 110kV, and comprises step-up and step-down transformer substations with various voltage grades.
Among the prior art, the electric leakage phenomenon probably appears in transformer substation's transmission line because of the line loss, and common processing mode carries out circuit protection through earth leakage protection switch, lacks the electric leakage position and judges the function, and the circuit overhauls the in-process and needs artifical investigation, is unfavorable for the quick elimination of transformer substation's trouble.
Disclosure of Invention
The invention provides a remote alarm device for a power transmission line leakage fault of a transformer substation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a remote alarm device for leakage faults of a power transmission line of a transformer substation comprises a junction box and a power transmission line body, wherein the power transmission line body is arranged at the output end of the junction box;
a wiring groove is formed in the junction box, an earth leakage protection circuit breaker is arranged in the middle of the wiring groove, wiring rows are arranged on two sides of the earth leakage protection circuit breaker, a partition plate is arranged at the lower end of the junction box, a controller is arranged below the partition plate, a wired networking module is arranged on one side of the controller, an earth wire is arranged outside the junction box, a cabinet door is hinged to the front of the junction box, a mark is arranged on the surface of the cabinet door, and a warning light bar is arranged at the upper end of the junction box;
the surface of the power transmission line body is provided with a covering, a metal wire is arranged in the covering in an inserting mode, a sheath is sleeved outside the power transmission line body, a conducting ring is arranged in the sheath, the lower end of the sheath is provided with a zero line, a data wire is arranged on the side face of the zero line, a detection terminal is arranged at the lower end of the conducting ring, and insulation packaging plates are arranged at two ends of the power transmission line body
Further, the insulating packaging plate is fixed at an opening of the wiring groove through a bolt, the power transmission line body is electrically connected with the earth leakage protection circuit breaker through a wiring bar, the data wire is connected with the controller, and the zero line is communicated with the earth wire.
Further, the sheaths are uniformly arranged on the power transmission line body at equal intervals, the detection terminal comprises an electronic ammeter and a timer, the metal wire is communicated with the zero line through the conducting ring, the detection terminal is connected between the metal wire and the zero line in series, and the detection terminal is electrically connected with the data lead.
Further, the controller is connected with earth leakage circuit breaker and warning lamp strip electricity, the controller is through wired networking module networking.
Furthermore, an insulating interlayer is arranged inside the junction box, and the partition plate is connected with the insulating interlayer.
Further, the sign is that fluorescent paint applies paint with a brush, warning light strip branch is equipped with three module, and both sides module is the directional corresponding direction of arrow form respectively, and middle module is double-colored banks.
Further, the skin is an insulating shell, and the metal wire is arranged inside the skin and separated from the power transmission line body.
Compared with the prior art, the invention provides a remote alarm device for the leakage fault of the power transmission line of the transformer substation, which has the following beneficial effects:
this transmission line of transformer substation leaks electric fault and uses remote alarm device evenly sets up detection terminal on the transmission line body through setting up the sheath, and when the emergence electric leakage, the detection terminal near corresponding position produces the signal, plays supplementary judgement effect to the electric leakage position through the signal, improves the convenience that the line damaged position investigation was overhauld, makes things convenient for the transformer substation line to damage the electric leakage investigation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the junction box of the present invention;
fig. 3 is a cross-sectional view of a power transmission line of the present invention.
Fig. 4 is a block diagram of the system of the present invention.
In the figure: 1. a junction box; 11. a wiring groove; 12. a leakage protection circuit breaker; 13. a line bank; 14. a partition plate; 15. a controller; 16. a wired networking module; 17. a ground line; 18. a cabinet door; 19. identifying; 110. a warning light bar; 2. a power transmission line body; 21. covering a skin; 22. a metal wire; 23. a sheath; 24. conducting rings; 25. a zero line; 26. a data conductor; 27. detecting a terminal; 271. an electronic electricity meter; 272. a timer; 28. and an insulating packaging plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the invention discloses a remote alarm device for leakage fault of a power transmission line of a transformer substation, which comprises a junction box 1 and a power transmission line body 2, wherein the output end of the junction box 1 is provided with the power transmission line body 2;
a wiring groove 11 is formed in the wiring box 1, an electric leakage protection circuit breaker 12 is arranged in the middle of the wiring groove 11, wiring rows 13 are arranged on two sides of the electric leakage protection circuit breaker 12, a partition plate 14 is arranged at the lower end of the wiring box 1, a controller 15 is arranged below the partition plate 14, a wired networking module 16 is arranged on one side of the controller 15, a grounding wire 17 is arranged outside the wiring box 1, a cabinet door 18 is hinged to the front side of the wiring box 1, a mark 19 is arranged on the surface of the cabinet door 18, and a warning light bar 110 is arranged at the upper end of the wiring box 1;
the surface of the power transmission line body 2 is provided with a skin 21, a metal wire 22 is inserted into the skin 21, a sheath 23 is sleeved outside the power transmission line body 2, a conducting ring 24 is arranged inside the sheath 23, a zero line 25 is arranged at the lower end of the sheath 23, a data wire 26 is arranged on the side surface of the zero line 25, a detection terminal 27 is arranged at the lower end of the conducting ring 24, and insulating packaging plates 28 are arranged at two ends of the power transmission line body 2
Specifically, the insulating packaging plate 28 is fixed at an opening of the wiring groove 11 through a bolt, the power transmission line body 2 is electrically connected with the earth leakage protection circuit breaker 12 through the wiring bar 13, the data conductor 26 is connected with the controller 15, and the zero line 25 is communicated with the earth wire 17.
In this embodiment, the power transmission line body 2 is connected to the earth leakage protection circuit breaker 12 through the connection bar 13, when an earth leakage problem occurs, the earth leakage protection circuit breaker 12 performs circuit breaking protection on a circuit, the data wire 26 generates a signal when an earth leakage occurs, the cooperation controller 15 forms an alarm, and the zero line 25 guides an earth leakage charge to the earth wire 17 when an earth leakage occurs and finally discharges the earth leakage charge.
Specifically, the sheaths 23 are uniformly arranged on the power transmission line body 2 at equal intervals, the detection terminal 27 includes an electronic meter 271 and a timer 272 inside, the wire 22 is communicated with the neutral line 25 through the conducting ring 24, the detection terminal 27 is connected in series between the wire 22 and the neutral line 25, and the detection terminal 27 is electrically connected with the data conductor 26.
In this embodiment, detection terminal 27 year sheath 23 evenly arranges on the power transmission line body 2, forms a plurality of detection subareas, and when electric leakage appeared in a certain subarea, the electric current produced in wire 22, and the electric current passes through conducting ring 24 and transmits to zero line 25 in the sheath 23 department that closes on, and electric meter 271 detects the signal of telecommunication, generates the leakage signal, and this signal passes through data wire 26 and sends to controller 15, plays the additional action to the judgement of electric leakage position.
Specifically, the controller 15 is electrically connected with the earth leakage protection circuit breaker 12 and the warning light bar 110, and the controller 15 is networked through the wired networking module 16.
In this embodiment, when the earth leakage protection circuit breaker 12 triggers earth leakage protection, a signal is sent to the controller 15, and the controller 15 generates the breaking information and uploads the breaking information to the network through the wired networking module 16, so that the working end at the far end acquires the electricity leakage breaking information, and a light mark is formed on the surface of the junction box 1 through the warning light bar 110 after the breaking to form warning.
Specifically, an insulating interlayer is arranged inside the junction box 1, and the partition plate 14 is connected with the insulating interlayer.
In this embodiment, the insulating interlayer that sets up in junction box 1 plays the anticreep protect function to internal plant, and baffle 14 divides the box inner space, prevents that 15 grades of wired networking module 16 of controller from receiving electric leakage interference.
Specifically, sign 19 is that fluorescent paint applies paint with a brush, warning light bar 110 divides to be equipped with three module, and both sides module is the directional corresponding direction of arrow form respectively, and middle module is double-colored banks.
In this embodiment, sign 19 of fluorescent paint system still can play the marking effect when light is dim, and arrow-shaped warning light strip 110 points to the transmission line body 2 of junction box 1 both sides respectively, indicates the direction that produces the electric leakage, and middle double-colored banks then indicates whether normal work of circuit through the colour change.
Specifically, the skin 21 is an insulating shell, and the metal wire 22 is arranged inside the skin 21 and separated from the power transmission line body 2.
In this embodiment, the metal wire 22 is separated from the power transmission line body 2 through the skin 21, when the line loss enough to cause electric leakage occurs, the metal wire 22 and the core of the power transmission line body 2 all leak outwards, the metal wire 22 is in contact with the core due to line loss deformation, direct current is generated, or induced current is generated due to magnetic field change at the corresponding position, and electric signals are generated at the conducting ring 24.
When the leakage protection circuit breaker is used, the power transmission line body 2 is led in from the wiring groove 11 and is connected with the leakage protection circuit breaker 12 through the wiring bar 13, when the power transmission line body 2 leaks electricity, the metal wire 22 firstly generates current, the detection terminal 27 detects an electric signal and then sends the electric signal to the controller 15, the controller 15 uploads leakage information through the wired networking module 16, remote alarm is achieved, indication is carried out through the warning light bar 110, and when the leakage state reaches a threshold value, the leakage protection circuit breaker 12 breaks a circuit.
In conclusion, this transmission line electric leakage fault of transformer substation uses remote alarm device evenly sets up detection terminal 27 on the transmission line body 2 through setting up sheath 23, and when the emergence electric leakage, the detection terminal 27 near the corresponding position produces the signal, plays supplementary judgement effect to the electric leakage position through the signal, improves the convenience of line loss position investigation maintenance, makes things convenient for transformer substation's line loss electric leakage investigation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a transmission line electric leakage fault of transformer substation uses remote alarm device, includes junction box (1) and transmission line body (2), its characterized in that: the output end of the junction box (1) is provided with a power transmission line body (2);
a wiring groove (11) is formed in the junction box (1), an electric leakage protection circuit breaker (12) is arranged in the middle of the wiring groove (11), wiring rows (13) are arranged on two sides of the electric leakage protection circuit breaker (12), a partition plate (14) is arranged at the lower end of the junction box (1), a controller (15) is arranged below the partition plate (14), a wired networking module (16) is arranged on one side of the controller (15), a grounding wire (17) is arranged outside the junction box (1), a cabinet door (18) is hinged to the front side of the junction box (1), a mark (19) is arranged on the surface of the cabinet door (18), and a warning light bar (110) is arranged at the upper end of the junction box (1);
the surface of the power transmission line body (2) is provided with a skin (21), a metal wire (22) is arranged inside the skin (21) in an inserting mode, a sheath (23) is sleeved outside the power transmission line body (2), a conducting ring (24) is arranged inside the sheath (23), the lower end of the sheath (23) is provided with a zero line (25), a data conducting wire (26) is arranged on the side face of the zero line (25), a detection terminal (27) is arranged at the lower end of the conducting ring (24), and insulating packaging plates (28) are arranged at two ends of the power transmission line body (2).
2. The remote alarm device for the power transmission line leakage fault of the substation according to claim 1, characterized in that: the insulating packaging plate (28) is fixed at an opening of the wiring groove (11) through a bolt, the power transmission line body (2) is electrically connected with the earth leakage protection circuit breaker (12) through the wiring bar (13), the data lead (26) is connected with the controller (15), and the zero line (25) is communicated with the earth wire (17).
3. The remote alarm device for the power transmission line leakage fault of the substation according to claim 1, characterized in that: the protective sleeve (23) is uniformly arranged on the power transmission line body (2) at equal intervals, an electronic electric meter (271) and a timer (272) are arranged in the detection terminal (27), the metal wire (22) is communicated with the zero line (25) through the conducting ring (24), the detection terminal (27) is connected between the metal wire (22) and the zero line (25) in series, and the detection terminal (27) is electrically connected with the data lead (26).
4. The remote alarm device for the power transmission line leakage fault of the substation according to claim 1, characterized in that: the controller (15) is connected with earth leakage circuit breaker (12) and warning light bar (110) electricity, controller (15) are through wired networking module (16) networking.
5. The remote alarm device for the power transmission line leakage fault of the substation according to claim 1, characterized in that: an insulating interlayer is arranged in the junction box (1), and the partition plate (14) is connected with the insulating interlayer.
6. The remote alarm device for the power transmission line leakage fault of the substation according to claim 1, characterized in that: sign (19) are applied paint with a brush for fluorescent paint, warning light strip (110) branch is equipped with three module, and both sides module is the directional corresponding direction of arrow form respectively, and middle module is double-colored banks.
7. The remote alarm device for the power transmission line leakage fault of the substation according to claim 1, characterized in that: the skin (21) is an insulating shell, and the metal wire (22) is arranged inside the skin (21) and separated from the power transmission line body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437986.5A CN114252728A (en) | 2021-11-30 | 2021-11-30 | Remote alarm device for power transmission line leakage fault of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111437986.5A CN114252728A (en) | 2021-11-30 | 2021-11-30 | Remote alarm device for power transmission line leakage fault of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114252728A true CN114252728A (en) | 2022-03-29 |
Family
ID=80791372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111437986.5A Pending CN114252728A (en) | 2021-11-30 | 2021-11-30 | Remote alarm device for power transmission line leakage fault of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114252728A (en) |
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2021
- 2021-11-30 CN CN202111437986.5A patent/CN114252728A/en active Pending
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