CN203364774U

CN203364774U - Optical fiber angle transducer for measuring windage yaw angle of insulator

Info

Publication number: CN203364774U
Application number: CN 201320342594
Authority: CN
Inventors: 陈洪波; 白欢; 方欣; 段晓方
Original assignee: State Grid Corp of China SGCC; Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
Priority date: 2013-06-14
Filing date: 2013-06-14
Publication date: 2013-12-25
Anticipated expiration: 2023-06-14

Abstract

The utility model relates to the field of sensors, in particular to an optical fiber angle transducer for measuring a windage yaw angle of an insulator. The optical fiber angle transducer comprises a housing (6), pendulum bobs (1), swinging arms (2), optical fiber rasters (3) and a substrate (4 ), wherein the substrate (4) is fixed in the top of the housing (6); the upper ends of the swinging arms (2) are connected to the substrate (4 ), and the lower ends are connected to the pendulum bobs (1); the optical fiber rasters (3) are integrally fixed on the swinging arms (2); hold hoops (5) are fixed on the side wall of the housing (6); and fittings, clamped at the low voltage end of the insulator, of the hold hoops (5) enable the optical fiber rasters (3) inside the hold hoops (5) to be vertical downwardly. The optical fiber angle transducer for measuring the windage yaw angle of the insulator is free from electromagnetic interference, does not need power supply, is high in measuring accuracy, resolution and respond speed, and can be used in harsh environments with high temperature, high humidity, chemical erosion and the like.

Description

A kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection

Technical field

The utility model relates to sensor field, is specifically related to a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection.

Background technology

The insulator windage yaw angle of high-voltage conducting wires is an important indicator of reflection circuit running status, and the angle of insulator has important indicative function to the monitoring conductor galloping, therefore, requires the angle of periodic monitoring insulator.Adopted the angular transducer of electric class in the past, or by the tester under tower with specialized equipment to the insulator angle measured, record, then analyze.But these two kinds of metering systems often exist and are subject to that high-voltage electric field environmental impact, low precision, climate affect, waste of manpower, the shortcoming such as can not Real-Time Monitoring pinpoint the problems in time.Therefore, how can accurately reflect in real time that the insulator angle just seems particularly important.For meeting the requirement of the sub-windage yaw angle monitor of power system insulation, we adopt Fiber Bragg Grating technology to make angular transducer.

The utility model content

The purpose of this utility model is to provide a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection, solve existing sensor and easily be subject to the impact of high-voltage electric field environmental impact, low precision, climate, can not accurately show the problem of Real-time defence insulator angle.

For solving above-mentioned technical matters, the utility model is by the following technical solutions: a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection, comprise housing, pendulum, swing arm, fiber grating and substrate, wherein said substrate is fixed on the top interior of housing, the upper end connection substrate of described swing arm, the lower end of swing arm connects pendulum, described fiber grating integral body is fixed in swing arm, be fixed with anchor ear on the sidewall of described housing, the gold utensil that described anchor ear is clamped in the insulator low pressure end makes its inner fiber grating straight down.

Further technical scheme is, described swing arm is laminar, fiber grating growth strip, and its entire length is less than the length of described swing arm.

Further technical scheme is, fiber grating is fixed in swing arm by UV glue integral body.

Further technical scheme is, the cube that described pendulum is elongated 10mm; The long 150mm of swing arm, wide 10mm, thick 1mm; The long 10mm of described fiber grating, the fixing position of fiber grating is positioned in swing arm apart from pendulum 10mm place.

Further technical scheme is, described pendulum and swing arm are all that the mode of being cast by die sinking by titanium alloy material is made.

Compared with prior art, the beneficial effects of the utility model are: on high-tension line, fiber-optical grating temperature sensor has with respect to traditional electricity temperature sensor the electromagnetic interference (EMI) of not being subject to, without power supply, measuring accuracy is high, resolution is high, fast response time, the mean free error time is 15 years, but prolonged application is in high temperature, high humidity and there are the rugged surroundings of chemical erosion etc.This sensor can utilize optical fiber as light transducing signal passage, can realize direct-connected between passive optical sensors and remote equipment, has broken away from original electrical sensor the later maintenance difficult problem that power-supply unit etc. exists need to be installed;

Can carry out in real time the insulator angle of wind deflection, on-line monitoring, the generation of the accident that contributes to prevent that conductor galloping from causing, provide safety guarantee to the operation of electrical network, also the quality of life for the development of national economy and broad masses of the people provides safeguard.Can also monitor accurately the manual measurement method and be difficult to or immeasurable insulator angle of wind deflection, solve the variety of issue that the manual measurement method is brought.Filled up the blank in domestic this field.

The accompanying drawing explanation

Fig. 1 is a kind of the Optical Fiber Angle Transducer enclosure interior structural representation of measuring for the insulator angle of wind deflection of the utility model.

Fig. 2 is a kind of the Optical Fiber Angle Transducer enclosure interior structural front view of measuring for the insulator angle of wind deflection of the utility model.

The structure upward view that Fig. 3 is Fig. 2.

Fig. 4 is the view of a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection of the utility model while occurring to swing towards a direction.

The measurement procedure schematic diagram that Fig. 5 is a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

Fig. 1, Fig. 2 and Fig. 3 show an embodiment of a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection of the utility model: a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection, comprise housing 6, pendulum 1, swing arm 2, fiber grating 3 and substrate 4, wherein said substrate 4 is fixed on the top interior of housing 6, the upper end connection substrate 4 of described swing arm 2, the lower end of swing arm 2 connects pendulum 1, described fiber grating 3 integral body are fixed in swing arm 2, be fixed with anchor ear 5 on the sidewall of described housing 6, the gold utensil that described anchor ear 5 is clamped in the insulator low pressure end makes its inner fiber grating 3 straight down.

According to a preferred embodiment of a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection of the utility model, described swing arm 2 is laminar, fiber grating 3 growth strips, and its entire length is less than the length of described swing arm 2.

According to another preferred embodiment of a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection of the utility model, fiber grating 3 is fixed in swing arm 2 by UV glue integral body.

According to another preferred embodiment of a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection of the utility model, the cube that described pendulum 1 is elongated 10mm; The long 150mm of swing arm 2, wide 10mm, thick 1mm; The long 10mm of described fiber grating 3, the fixing position of fiber grating 3 is positioned in swing arm 2 apart from pendulum 110mm place.

According to another preferred embodiment of a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection of the utility model, described pendulum 1 and swing arm 2 are all that the mode of being cast by die sinking by titanium alloy material is made.

As shown in Figure 4, when sensor occurs to swing towards a direction, pendulum 1 gravitate, swing arm 2 bends, 3 one stretchings of the fiber grating of swing arm 2 pros and cons, a compression, the pivot angle situation in the time of can calculating sensor generation swing by the wavelength variable quantity of two fiber gratings 3.

As shown in Figure 5, sensor uses light signal, with outside, is connected also and is undertaken by optical fiber, and by the wideband light source input, through a coupling mechanism, the light wave long value reflected is exactly to need the amount detected.

In the utility model, grating, along the axial restraint of swing arm, must guarantee that the bonding direction of double-edged grating is parallel, and fixing prestress is consistent, little for the loss that guarantees the grating interface, also needs 4 gratings are connected in series.To guarantee minimum bending radius in the process of grating cloth fibre.

Claims

1. a Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection, it is characterized in that: comprise housing (6), pendulum (1), swing arm (2), fiber grating (3) and substrate (4), wherein said substrate (4) is fixed on the top interior of housing (6), the upper end connection substrate (4) of described swing arm (2), the lower end of swing arm (2) connects pendulum (1), described fiber grating (3) integral body is fixed in swing arm (2), be fixed with anchor ear (5) on the sidewall of described housing (6), the gold utensil that described anchor ear (5) is clamped in the insulator low pressure end makes its inner fiber grating (3) straight down.

2. a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection according to claim 1 is characterized in that: described swing arm (2) is for laminar, fiber grating (3) growth strip, and its entire length is less than the length of described swing arm (2).

3. a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection according to claim 1, it is characterized in that: described fiber grating (3) is fixed in swing arm (2) by UV glue integral body.

4. according to the described a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection of claim 1-3 any one, it is characterized in that: described pendulum (1) is the cube of elongated 10mm; The long 150mm of swing arm (2), wide 10mm, thick 1mm; The long 10mm of described fiber grating (3), it is upper apart from pendulum (1) 10mm place that the fixing position of fiber grating (3) is positioned at swing arm (2).

5. a kind of the Optical Fiber Angle Transducer of measuring for the insulator angle of wind deflection according to claim 1, it is characterized in that: described pendulum (1) and swing arm (2) are all that the mode of being cast by die sinking by titanium alloy material is made.