CN111022879A

CN111022879A - Transformer monitoring system

Info

Publication number: CN111022879A
Application number: CN201911243367.5A
Authority: CN
Inventors: 林培川; 张文莉
Original assignee: Guangzhou Fengtai Technology Development Co ltd
Current assignee: Guangzhou Fengtai Technology Development Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-04-17

Abstract

The invention relates to a transformer monitoring system, which comprises a transformer and a monitoring system, wherein the transformer is provided with an oil tank, the top of the transformer is provided with a high-voltage sleeve, a low-voltage sleeve, an oil conservator and a gas relay, and the oil conservator is provided with an oil temperature gauge and an oil level gauge; a cooling fan set is arranged on the side surface of the transformer in the length direction; the monitoring system comprises a guide rail, a mechanical arm and a camera device, wherein the guide rail is arranged at the top of the transformer, the mechanical arm is movably arranged on the guide rail, and the camera device passes through the mechanical arm and is arranged on the guide rail. The monitoring system of the invention introduces the combination of the guide rail and the mechanical arm, so that the camera device can move to each height and position, and can be used for monitoring each part of the transformer after adjusting the angle, comprehensively monitoring the use condition of the transformer in real time, finding out big and small faults and processing in time.

Description

Transformer monitoring system

Technical Field

The invention relates to the technical field of power equipment safety monitoring, in particular to a transformer monitoring system.

Background

The power transformer is an important infrastructure, and qualified voltage quality and stable power supply service can provide guarantee for production and life of human beings. As an extremely important electrical equipment in power transmission and distribution system, be equipped with big numerous parts of little and inductor etc. on the transformer, because various reasons can break down sometimes in service, and current transformer mostly just overhauls and maintains when having a power failure, lacks effectual real time monitoring, if the transformer breaks down the back and in time discovers and effectively solves, probably causes transformer conflagration etc. major accident because of the little problem to greatly influence user's life and the production activities of enterprise. The fact that power workers cannot find out the large and small faults of the transformer in time due to lack of effective monitoring is a defect of the power transformer in the current use process.

Disclosure of Invention

The invention aims to overcome at least one defect of the prior art and provides a transformer monitoring system which can comprehensively and timely find out transformer faults and is used for solving the problem that the transformer is lack of effective monitoring and is likely to cause major accidents because minor faults are not timely processed.

The technical scheme adopted by the invention is as follows:

a transformer monitoring system comprises a transformer and a monitoring system, wherein the transformer is provided with an oil tank, the top of the transformer is provided with a high-voltage sleeve, a low-voltage sleeve, an oil conservator and a gas relay, and the oil conservator is provided with an oil temperature gauge and an oil level gauge; a cooling fan set is arranged on the side surface of the transformer in the length direction; the monitoring system comprises a guide rail, a mechanical arm and a camera device, wherein the guide rail is arranged at the top of the transformer, the mechanical arm is movably arranged on the guide rail, and the camera device passes through the mechanical arm and is arranged on the guide rail. In order to stabilize the conversion and output of power, the transformer has a plurality of components and sensing devices located at various positions such as the top, side, bottom, etc. of the transformer, and in order to allow the monitoring system to effectively and comprehensively monitor all areas, a combination of guide rails and robot arms is provided. The guide rail is arranged on the top of the transformer, and the camera device can move along the guide rail track to monitor all conditions on the top of the transformer; the mechanical arm is used as an intermediate mechanism and is movably connected to the guide rail and can extend out and retract, so that the monitoring range of the camera device is expanded, and the camera device is helped to monitor all conditions of the side face and the bottom of the transformer.

Further, the mechanical arm is provided with a plurality of mechanical rods which are respectively a first-stage mechanical rod, a second-stage mechanical rod and a third-stage mechanical rod, the first-stage mechanical rod is directly connected with the guide rail, the second-stage mechanical rod is connected with the first-stage mechanical rod, the third-stage mechanical rod is connected with the second-stage mechanical rod, the camera device is connected with the third-stage mechanical rod, and the telescopic parts between the mechanical rods at all stages are driven by the air cylinders. Three-level mechanical rod of arm mutually supports, stretches out and draws back through the cylinder transmission, and camera device that is located above that can reach different heights along with the extension of mechanical rod for the part or the inductor of monitoring transformer co-altitude not.

Further, camera device contains base, camera and the controller of being connected with the camera electricity, and the pedestal mounting is on the arm, and camera and controller are installed on the base. The bottom of the base of the camera device is fixedly connected with the mechanical arm, so that the camera device is stably installed, and the stability of the camera and the controller is guaranteed. The camera is electrically connected with the controller, and images shot by the camera are uploaded to the controller and then transmitted to the computer monitoring end of the electric power worker through the controller, so that the effect of real-time monitoring is achieved.

Further, the base is an electric pan-tilt. The electric pan-tilt is controlled by electric power workers at a computer end, can drive the camera to rotate 360 degrees in the horizontal direction, and can also adjust the pitch angle of the camera in the vertical direction, so that after a suspected fault is found, the fault condition can be observed more clearly by controlling the angle of the electric pan-tilt to adjust the camera, and the workers can take appropriate measures according to actual conditions.

Furthermore, the top of the transformer is provided with a plurality of support rods fixedly connected with the transformer and the guide rail, the lower end of each support rod is connected with the edge of the top of the transformer, and the upper end of each support rod is connected with the bottom of the guide rail. The bracing piece is located between transformer and the guide rail, and its effect is used for the fixed guide rail, can respectively set up 1 bracing piece in 4 side upper ends of transformer, also can adjust the tie point inhomogeneous distribution of bracing piece and transformer, also can increase the quantity of bracing piece, makes the guide rail stabilize and erects the transformer top. The supporting rod is made of stainless steel, and has light weight, good rigidity and corrosion resistance.

Further, the guide rail is an annular closed track. The annular closed guide rail can enable the camera device to move more smoothly due to the fact that no specific turning angle exists, meanwhile, the closed track enables the camera device to achieve the purpose of complete monitoring only by arranging the front driving power mechanism, the camera device does not need to back up, and control operation of workers is simplified.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the transformer monitoring system, power workers can monitor the use condition of the transformer in real time, find out big and small faults and process the big and small faults in time;

(2) according to the transformer monitoring system, the combination of the guide rail and the mechanical arm is introduced, so that the camera device can move to various heights and positions, and can be used for monitoring various parts of the transformer after the angle is adjusted, and the monitoring range is comprehensive;

(3) the transformer monitoring system is simple in structure and convenient to operate by workers.

Drawings

Fig. 1 is a schematic diagram of a transformer monitoring system according to embodiment 1.

Fig. 2 is a schematic diagram of a transformer monitoring system according to embodiment 2.

The figure contains 1-guide rail; 2-first-stage mechanical rod; 3-a secondary mechanical lever; 4-three-stage mechanical rod; 5-a base; 6-a camera; 7-support bar.

Detailed Description

The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

Fig. 1 shows a schematic diagram of a transformer monitoring system.

4 bracing pieces 7 are connected to the transformer top, and the bracing piece 7 upper end is connected to guide rail 1 bottom for fixed guide rail 1. The supporting rod 7 is made of stainless steel, and has light weight, good rigidity and corrosion resistance. The guide rail 1 is an annular closed rail. Swing joint arm on the guide rail 1, arm divide into one-level mechanical pole 2, second grade mechanical pole 3 and tertiary mechanical pole 4, and one-level mechanical pole 2 directly links to each other with guide rail 1, and second grade mechanical pole 3 links to each other with one-level mechanical pole 2, and tertiary mechanical pole 4 links to each other with second grade mechanical pole 3, and camera device links to each other with tertiary mechanical pole 4, through cylinder transmission control between each grade mechanical pole. The camera device can reach different heights along with the extension of the mechanical rod, and is used for monitoring components or sensors of the transformer at different heights. The camera device comprises a base 5, a camera 6 and a controller electrically connected with the camera, wherein the base 5 is installed on the mechanical arm, and the camera 6 and the controller are installed on the base 5. The base 5 is an electric pan-tilt. The electric pan-tilt is controlled by electric workers at a computer end, can drive the camera to rotate for 360 degrees in the horizontal direction, and can also adjust the pitch angle of the camera 6 in the vertical direction.

An electric worker controls a mechanical arm to drive a camera device to move on a guide rail 1, after the camera device reaches a required position, a primary mechanical rod 2 drives a secondary mechanical rod 3 to drive a tertiary machine 4 to extend or retract, the camera device is moved to a certain height, and then an electric holder of a base 5 is adjusted through a controller, so that a camera 6 is adjusted to a proper angle in the horizontal direction and the vertical direction, and the camera is used for observing whether parameters such as an oil temperature meter and an oil level meter of a transformer are normal or not; the gas relay has gas leakage or not; whether the connection part of the sleeve and the lead has corona phenomenon or not; whether the cooling fan group on the side surface is jammed or stops rotating or not; whether the respirator is dry or not; whether water is accumulated at the cobblestone part at the bottom, etc. When the monitoring finds that the transformer is abnormal, related workers can be quickly arranged to maintain the transformer, so that the transformer is prevented from further developing into a major accident, and the stable operation of the transformer is guaranteed.

Example 2

Fig. 2 shows a schematic diagram of another transformer monitoring system.

The number of the support rods 7 in this embodiment is 6, and the stability of the guide rail is better due to the increase of the number of the support rods 7, and the structure and the function of the guide rail are similar to those in embodiment 1, and are not described again.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.

Claims

1. A transformer monitoring system comprises a transformer and a monitoring system, wherein the transformer is provided with an oil tank, the top of the transformer is provided with a high-voltage sleeve, a low-voltage sleeve, an oil conservator and a gas relay, and the oil conservator is provided with an oil temperature gauge and an oil level gauge; a cooling fan set is arranged on the side surface of the transformer in the length direction; the monitoring system is characterized in that the monitoring system comprises a guide rail, a mechanical arm and a camera device, the guide rail is mounted at the top of the transformer, the mechanical arm is movably mounted on the guide rail, and the camera device is mounted on the guide rail through the mechanical arm.

2. The transformer monitoring system according to claim 1, wherein the mechanical arm is provided with a plurality of mechanical rods, namely a first-stage mechanical rod, a second-stage mechanical rod and a third-stage mechanical rod, the first-stage mechanical rod is directly connected with the guide rail, the second-stage mechanical rod is connected with the first-stage mechanical rod, the third-stage mechanical rod is connected with the second-stage mechanical rod, the camera device is connected with the third-stage mechanical rod, and the extension and retraction between the mechanical rods are driven by a cylinder.

3. The transformer monitoring system according to claim 1, wherein the camera device comprises a base, a camera and a controller electrically connected to the camera, the base is mounted on the mechanical arm, and the camera and the controller are mounted on the base.

4. The transformer monitoring system of claim 3, wherein the base is a motorized pan and tilt head.

5. The transformer monitoring system according to claim 1, wherein the transformer top is provided with a plurality of support rods for fixedly connecting the transformer and the guide rail, the lower ends of the support rods are connected with the top edge of the transformer, and the upper ends of the support rods are connected with the bottom of the guide rail.

6. The transformer monitoring system of claim 5, wherein the rail is an endless closed track.