CN210427701U

CN210427701U - Overhead transmission line electric wire and hardware fitting string fault diagnosis device

Info

Publication number: CN210427701U
Application number: CN201921239000.1U
Authority: CN
Inventors: 苏晓学; 温燕萍; 任建峰; 刘继武; 樊勖皓; 安向勇
Original assignee: State Grid Shanxi Electric Power Survey And Design Institute Co ltd; State Grid Shanxi Electric Power Co Ltd; Economic and Technological Research Institute of State Grid Shanxi Electric Power Co Ltd
Current assignee: State Grid Shanxi Electric Power Survey And Design Institute Co ltd; State Grid Shanxi Electric Power Co Ltd; Economic and Technological Research Institute of State Grid Shanxi Electric Power Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-28
Anticipated expiration: 2029-08-02

Abstract

The utility model provides an overhead transmission line electric wire and gold utensil cluster fault diagnosis device, including diagnosis gold utensil cluster, overhead line gold utensil cluster, wireless transmission module and monitoring platform, diagnosis gold utensil cluster and overhead line gold utensil cluster are fixed between electric wire and shaft tower cross arm, have concatenated vibrating wire formula tension sensor in the middle of the diagnosis gold utensil cluster, vibrating wire formula tension sensor passes through cable junction and installs the wireless transmission module on the shaft tower cross arm, wireless transmission module and ground monitoring platform wireless connection. The utility model discloses accurately judge the fastener according to electric wire pulling force size and slide, fall trouble such as cluster, broken string, can play certain reserve guard action simultaneously, can improve transmission line operational reliability, in time accurately judge fault type, accurate location trouble place, can also reduce the fault handling time.

Description

Overhead transmission line electric wire and hardware fitting string fault diagnosis device

Technical Field

The utility model belongs to the technical field of transmission line on-line monitoring, concretely relates to overhead transmission line electric wire and gold utensil cluster fault diagnosis device.

Background

The overhead transmission line is in the field, the environment is complex, the damage influence of the external force of the nature is large, the problems of hardware string falling, wire clamp sliding, wire breakage and the like often occur, the corresponding treatment measures can be taken according to the type and the characteristics of accidents through field inspection in actual work, and the defects of low operation reliability, difficult positioning, long accident treatment time and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly to open-air overhead transmission line operational reliability low, location difficulty, the long scheduling problem of accident handling time, provide an overhead transmission line electric wire and gold utensil cluster fault diagnosis device, this diagnosis device simple structure reequips on current gold utensil cluster basis, can accurately judge according to electric wire pulling force size that the fastener slides, fall the cluster, trouble such as broken string, excellent in use effect, fault information provides rapidly accurate, can use widely.

In order to solve the technical problem, the utility model discloses a technical scheme is: the device for diagnosing the faults of the electric wires and the hardware strings of the overhead transmission line is characterized by comprising a plurality of diagnostic hardware strings and a plurality of wireless transmission modules, wherein the diagnostic hardware strings are arranged in parallel in a one-to-one correspondence manner with the existing wire hanging hardware strings on the transmission line, and the wireless transmission modules are fixedly arranged on a cross arm of a tower;

the wire hanging hardware fitting string comprises a wire clamp, a traction plate, an adjusting plate, a hanging plate and a hanging ring which are fixedly connected in sequence from bottom to top, wherein the wire clamp is connected with an electric wire, and the hanging ring is connected with a fixed hanging point on a cross arm of a tower;

the diagnosis hardware string is formed by replacing a hanging plate on the wire hanging hardware string with a vibrating wire type tension sensor, the upper end and the lower end of the vibrating wire type tension sensor are fixedly connected with an adjusting plate and a hanging ring respectively, the vibrating wire type tension sensor is connected with a wireless transmission module through a cable, the wireless transmission module is wirelessly connected with a monitoring platform arranged in a ground control room, and the vibrating wire type tension sensor which is fixedly connected with the two ends is tensioned to sense tension change in the diagnosis hardware string so as to judge the fault position and the fault degree.

Preferably, when the wire clamp slides, the string of the wire-hanging hardware string falls and the wire in the gear is broken, the wire longitudinally generates displacement along the line to cause the deflection of the diagnosis hardware string, the tension is increased, the vibrating wire type tension sensor generates tension which is transmitted to the monitoring platform through the wireless transmission module, the monitoring platform judges the accident type according to the tension and gives alarm information, and operation and maintenance personnel can quickly organize emergency repair according to the accident type, so that the accident time is reduced.

Preferably, the adjusting plate is a sector plate, one side of the adjusting plate is provided with a fixing bolt hole in bolted connection with the hanging plate, the other side of the adjusting plate is provided with a plurality of mounting holes with different distances from the fixing bolt hole, and the stress of the wire-hanging hardware string is increased by connecting different mounting holes, so that the stress of the diagnostic hardware string is very small when the power transmission line normally runs, and the diagnostic hardware string has enough sensitivity.

Preferably, the utility model provides a diagnostic device is applicable to the tower that dangles.

Preferably, when the electric wire connected to the diagnosis fitting string and the wire-hanging fitting string is a wire, an insulator is connected in series in the diagnosis fitting string and the wire-hanging fitting string.

Preferably, the wireless transmission module is internally provided with a GPS module, so that accurate positioning of each diagnosis hardware fitting string and the tower can be realized, and quick and accurate query and positioning of the tower and the electric wire can be realized by encoding the vibrating string type tension sensor.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses simple structure, simple to operate, diagnostic effect is good, can transmit the message fast and fix a position in real time, does benefit to fortune dimension personnel and organizes fast and salvage, reduces the potential safety hazard and reduces economic loss.

2. The utility model discloses accurately judge the fastener according to electric wire pulling force size and slide, fall trouble such as cluster, broken string, can play certain reserve guard action simultaneously, can improve transmission line operational reliability, in time accurately judge fault type, accurate location trouble place, can also reduce the fault handling time.

3. The utility model discloses a vibrating wire formula force sensor transmits pulling force information to wireless communication module, and rethread wireless communication module is to monitoring platform wireless transmission data information, in time reminds fortune dimension personnel fault location and fault degree, has greatly reduced loss and the harm that the information lag caused.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals:

1-diagnosing the hardware string; 2-vibrating wire type tension sensor; 3, a wireless transmission module;

4-monitoring platform; 5-a cable; 6, hanging a wire hardware string;

7-pole tower cross arm; 8, adjusting a plate; 9-wire clamp;

10-electric wire.

Detailed Description

As shown in fig. 1, the utility model comprises a plurality of diagnosis hardware strings 1 and a plurality of wireless transmission modules, wherein the diagnosis hardware strings 1 are arranged in parallel with the existing wire hanging hardware strings 6 on the transmission line in a one-to-one correspondence manner, and the wireless transmission modules 3 are fixedly arranged on a tower cross arm 7;

the wire hanging hardware fitting string 6 comprises a wire clamp 9, a traction plate, an adjusting plate 8, a hanging plate and a hanging ring which are fixedly connected in sequence from bottom to top, wherein the wire clamp 9 is connected with an electric wire 10, and the hanging ring is connected with a tower cross arm 7;

the diagnosis hardware string 1 is formed by replacing a hanging plate on the hanging wire hardware string 6 with a vibrating wire type tension sensor 2, the upper end and the lower end of the vibrating wire type tension sensor 2 are fixedly connected with an adjusting plate 8 and a hanging ring respectively, the vibrating wire type tension sensor 2 is connected with a wireless transmission module 3 through a cable 5, the wireless transmission module 3 is wirelessly connected with a monitoring platform 4 arranged in a ground control room, the vibrating wire type tension sensor 2 which is fixedly connected with the two ends in a tensioning mode senses tension change in the diagnosis hardware string 1 so as to judge the fault position and the fault degree, and the monitoring platform 4 can be a computer system.

In this embodiment, the adjusting plate 8 is a sector plate, one side of the adjusting plate 8 is provided with a fixing bolt hole connected with a hanging plate bolt, the other side of the adjusting plate 8 is provided with a plurality of mounting holes with different distances from the fixing bolt hole, and the stress of the wire-hanging hardware string 6 is increased by connecting different mounting holes, so that the stress of the diagnostic hardware string 1 is very small when the power transmission line normally runs, and the diagnostic hardware string has enough sensitivity.

In this embodiment, the utility model provides a diagnostic device is applicable to the tower that dangles.

In this embodiment, when the electric wire 10 to which the diagnostic fitting string 1 and the wire-hanging fitting string 6 are connected is a wire, insulators are connected in series in the diagnostic fitting string 1 and the wire-hanging fitting string 6.

In this embodiment, the wireless transmission module 3 is internally provided with a GPS module electrically connected with the wireless transmission module 3, so that accurate positioning of the diagnosis hardware string and the tower can be realized, and the tower can be quickly and accurately positioned by encoding the vibrating string type tension sensor 2.

In this embodiment, by adjusting the mounting hole position of the adjusting plate 8, the diagnostic hardware string 1 is stressed very little under normal operation conditions, and the load of the electric wire 10 is basically borne by the wire-hanging hardware string 6. When the fastener 9 takes place to slide, string 6 falls in the string of string gold utensil cluster, when keeping off the interior electric wire 10 broken string of gear, the electric wire 10 will be along the vertical production displacement of line, cause diagnosis gold utensil cluster 1 to deflect, 2 pulling force increases of string form force sensor, wireless transmission module 3 is real-time with 1 atress information of diagnosis gold utensil cluster and positional information transmission to monitoring platform 4, monitoring platform 4 judges the electric wire running state according to the pulling force numerical value size, and give alarm information, fortune dimension personnel organize fast according to accident type and positional information and salvage.

There are three states at the time of specific diagnosis as follows:

judging the slip state: when the wire-hanging hardware string 6 slides, the electric wire 10 longitudinally generates small longitudinal displacement along the line, the diagnosis hardware string 1 bears small horizontal tension of the electric wire 10, and the vibrating string type tension sensor 2 measures small tension.

Judging the string dropping state: when the wire-hanging hardware string 6 falls, the electric wire 10 does not generate displacement, the diagnosis hardware string 1 bears the vertical load of the electric wire, and the vibrating string type tension sensor 2 measures large tension.

And (3) judging the disconnection state: when the wire 10 is broken outside the diagnostic hardware string 1, the wire 10 longitudinally generates large displacement along the line, the diagnostic hardware string 1 bears large horizontal tension and vertical load of the wire 10, and the vibrating string type tension sensor 2 measures the maximum tension.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modifications, changes and equivalent changes made to the above embodiments according to the technical spirit of the present invention all fall within the protection scope of the technical solution of the present invention.

Claims

1. The device for diagnosing the faults of the electric wires and the hardware strings of the overhead transmission line is characterized by comprising a plurality of diagnostic hardware strings (1) and a plurality of wireless transmission modules (3), wherein the diagnostic hardware strings (1) are arranged in parallel in a one-to-one correspondence manner with the existing wire hanging hardware strings (6) on the transmission line, and the wireless transmission modules (3) are fixedly arranged on a tower cross arm (7);

the wire hanging hardware fitting string (6) comprises a wire clamp (9), a traction plate, an adjusting plate (8), a hanging plate and a hanging ring which are fixedly connected in sequence from bottom to top, wherein the wire clamp (9) is connected with an electric wire (10), and the hanging ring is connected with a tower cross arm (7);

the diagnosis hardware string is characterized in that a hanging plate on the wire hanging hardware string (6) is replaced by a vibrating wire type tension sensor (2) to form the diagnosis hardware string (1), the upper end and the lower end of the vibrating wire type tension sensor (2) are fixedly connected with an adjusting plate (8) and a hanging ring respectively, a wire clamp (9) in the diagnosis hardware string (1) is connected with an electric wire (10), the hanging ring in the diagnosis hardware string (1) is fixedly connected with a tower cross arm (7), the vibrating wire type tension sensor (2) is connected with a wireless transmission module (3) through a cable (5), and the wireless transmission module (3) is wirelessly connected with a monitoring platform (4) arranged in a ground control room.

2. The overhead transmission line wire and hardware string fault diagnosis device of claim 1, wherein the tower cross arm (7) is a suspension tower cross arm.

3. The overhead transmission line electric wire and hardware string fault diagnosis device of claim 1, wherein the adjusting plate (8) is a sector plate, one side of the adjusting plate (8) is provided with a fixing bolt hole connected with the hanging plate through a bolt, and the other side of the adjusting plate (8) is provided with a plurality of mounting holes with unequal distances from the fixing bolt hole.

4. The overhead transmission line electric wire and hardware string fault diagnosis device according to claim 1, wherein a GPS module for positioning and diagnosing the hardware string (1) is built in the wireless transmission module (3), and the GPS module is electrically connected with the wireless transmission module (3).

5. The overhead transmission line electric wire and hardware string fault diagnosis device according to claim 1, wherein when the electric wire (10) connected by the diagnosis hardware string (1) and the wire hanging hardware string (6) is a conducting wire, an insulator is connected in series in the diagnosis hardware string (1) and the wire hanging hardware string (6).