CN114624264A - A substation cable detection device and method - Google Patents

Abstract

The invention discloses a transformer substation cable detection device and a method, wherein the device comprises an X-ray machine, an IP plate and an IP plate clamp; the IP plate clamp comprises an upper top plate, a lower bottom plate and a side plate; the first end of the upper top plate is arranged on the side plate, and the second end of the upper top plate is provided with a first groove; the first end of the lower bottom plate is arranged on the side plate, and the second end of the lower bottom plate is provided with a second groove; the upper top plate, the lower bottom plate and the side plates form a cable accommodating space with a side opening; the first end of IP board is used for installing in first recess, and the second end is used for installing in the second recess, and when detecting the cable state, the middle part of IP board is crooked to the curb plate for the radian to the first face of IP board is laminated mutually with waiting to detect the cable surface. Through with the IP integrated circuit board in IP board anchor clamps for the IP board can be crooked and the laminating waits to detect the surface of cable, thereby makes the IP board and waits to detect regional distance and be close the homogeneous, makes the formation of image result true, and the recognition accuracy improves greatly.

Description

A substation cable detection device and method

technical field

The invention belongs to the technical field of substation detection equipment, and in particular relates to a substation cable detection device and method.

Background technique

Smart substations are advanced, reliable, integrated and environmentally friendly intelligent equipment, with the basic requirements of information digitization, communication platform networking, and standardization of information sharing in the whole station, and automatically complete basic functions such as information collection, measurement, control, protection, measurement and detection. At the same time, it has a substation that supports advanced functions such as real-time automatic control of the power grid, intelligent regulation, online analysis and decision-making, and collaborative interaction.

In smart substations, fast and efficient inspection of power equipment is one of the important links to ensure the safety of power equipment. As a conventional detection method, X-ray charged detection has been widely used for rapid inspection of power equipment. However, for equipment with cylindrical structures such as cables and GIS pipelines, the common radiographic imaging device cannot completely fit the surface of the equipment, resulting in the imaging results of the area close to the imaging plate being real, while the imaging results of the area far away from the imaging plate will be distorted. Part of the defect information will be masked, thus affecting the accuracy of defect identification.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a substation cable detection device and method, so as to solve the problem of partial image distortion caused by the inability of the imaging plate to fit the surface of the equipment in the common radiographic imaging device proposed in the above background art.

To achieve the above object, the present invention provides the following technical solutions:

A first aspect of the present invention provides a substation cable detection device, comprising an X-ray machine, an IP board and an IP board fixture;

The IP board fixture includes an upper top board, a lower bottom board and a side board; the first end of the upper top board is mounted on the side board, and the second end is provided with a first groove; the first end of the lower bottom board is mounted on On the side plate, the second end is provided with a second groove; the upper top plate, the lower bottom plate and the side plate together form a cable accommodating space with an opening on one side;

The first end of the IP board is used to be installed in the first groove, and the second end is used to be installed in the second groove. When the cable state is detected, the middle part of the IP board is bent to the side board is an arc, and the first side of the IP board is in contact with the outer surface of the cable to be tested.

Further, the IP board is a flexible board.

Further, the upper top plate includes: an upper sliding plate and an upper fixing plate;

The first end of the upper fixing plate is connected with the side plate, the first end of the upper sliding plate is slidably connected with the second end of the upper fixing plate, and the second end of the upper sliding plate is provided with an upper A collet, the first groove is located on the upper collet and is disposed toward the side plate.

Further, the first end of the upper fixing plate is connected with the rotating shaft of the side plate.

Further, the lower top plate includes: a lower sliding plate and a lower fixing plate;

The first end of the lower fixing plate is connected with the side plate, the first end of the lower sliding plate is slidably connected with the second end of the lower fixing plate, and the second end of the lower sliding plate is provided with a lower A collet, the second groove is located on the lower collet and is disposed toward the side plate.

Further, the first end of the lower fixing plate is connected with the rotating shaft of the side plate.

Further, the side plate includes: an upper side plate and a lower side plate, the upper side plate is slidably connected with the lower side plate, the upper side plate is connected with the rotating shaft of the upper fixing plate, and the lower side plate is connected with the lower fixing plate Shaft connection.

Further, the X-ray machine is a constant pressure machine or a pulse machine.

Further, an automatic inspection robot for adjusting the positions of the X-ray machine and the IP board fixture is also included, and the X-ray machine and the IP board fixture are installed on the automatic inspection robot.

A second aspect of the present invention provides an automatic detection method for substation cables, based on the above-mentioned substation cable detection device, comprising the following steps:

The big data platform of the smart substation automatically calls the historical data of the system, screens out the power equipment that needs to be inspected on the day, and dispatches the automatic inspection robot to the designated equipment location;

The automatic inspection robot selects the appropriate IP board and places it on the IP board fixture according to the size and shape of the tested equipment, and adjusts the relative positions of the components of the IP board fixture to make the IP board fit on the surface of the tested equipment;

The automatic inspection robot automatically adjusts the position of the X-ray machine according to the placement position of the IP board to match the position of the IP board;

The automatic inspection robot controls the X-ray machine to emit X-rays for inspection according to the instructions sent by the big data platform of the smart substation;

After the inspection is completed, the automatic inspection robot continues to arrive at the next device to be inspected for inspection.

The advantages of the present invention:

1) In the substation cable detection device provided by the embodiment of the present invention, by clamping the IP board in the IP board fixture, the IP board can be bent and attached to the outer surface of the cable to be tested, so that the distance between the IP board and the area to be tested is close Uniform, so that the imaging results are real, and the recognition accuracy is greatly improved.

2) In the substation cable detection device provided by the embodiment of the present invention, the upper and lower top plates are adjustable in length. By adjusting the lengths of the upper top plate, the lower bottom plate and the side plates in the IP plate fixture, IP plates of different sizes can be adapted.

3) In the substation cable detection device provided by the embodiment of the present invention, the upper top plate and the lower top plate are respectively connected with the side plate rotating shaft, and the bending degree of the IP plate can be adjusted by adjusting the rotation angle of the upper top plate and the lower bottom plate, so as to adapt to cylinders of different sizes electrical equipment. When the upper top plate is rotated upwards and the lower bottom plate is rotated downwards to be parallel to the side plates, the fixture can place both flexible IP plates and rigid imaging plates, so as to meet the inspection requirements of conventional power equipment.

4) In the substation cable detection device provided by the embodiment of the present invention, the X-ray machine and the IP board fixture are installed on the automatic inspection robot, the position of the X-ray machine is adjusted by the automatic inspection robot, and the IP board fixture is adjusted by the automatic inspection robot The sliding and rotation parameters of each component can automatically match cylindrical power equipment such as cables and GIS pipes of different sizes, which can meet the needs of fast and efficient inspection in smart substations.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 is a front view of a substation cable detection device according to an embodiment of the present invention.

FIG. 2 is a perspective view of an IP board fixture in an embodiment of the present invention.

FIG. 3 is a front view of an IP board and an IP board fixture in an embodiment of the present invention.

FIG. 4 is a front view of an IP board fixture in an embodiment of the present invention.

FIG. 5 is a schematic diagram of the upper top plate and the lower bottom plate of the IP board fixture rotated by a certain angle in the embodiment of the present invention.

In the figure: 1-X-ray machine; 2-IP board; 3-IP board fixture; 31-upper top board; 311-upper sliding board; 312-upper fixed board; 313-upper chuck; 32-lower bottom plate; 321- Lower sliding plate; 322-lower fixed plate; 323-lower chuck; 33-side plate; 331-upper side plate; 332-lower side plate.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

The following detailed descriptions are all exemplary descriptions and are intended to provide further detailed descriptions of the present invention. Unless otherwise specified, all technical terms used in the present invention have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention.

As shown in FIGS. 1 to 5, the first aspect of the embodiment of the present invention provides a substation cable detection device, including an X-ray machine 1, an IP board 2 and an IP board fixture 3; the IP board fixture 3 includes an upper top board 31, The lower bottom plate 32 and the side plate 33; the first end of the upper top plate 31 is mounted on the side plate 33, and the second end is provided with a first groove; the first end of the lower bottom plate 32 is mounted on the side plate 33, and the second end is provided with There is a second groove; the upper top plate 31, the lower bottom plate 32 and the side plate 33 together form a cable accommodating space open on one side; the first end of the IP board 2 is used for installation in the first groove, and the second end is used for installation In the second groove, when the state of the cable is detected, the middle of the IP board 2 is curved toward the side board 33, and the first surface of the IP board 2 is in contact with the outer surface of the cable to be detected. By bending the IP board and attaching it to the outer surface of the cable to be detected, the distance between the IP board and the region to be detected is nearly uniform, the imaging result is real, and the recognition accuracy is improved.

As an example of the embodiment of the present invention, the IP board 2 adopts a flexible imaging board, which has a high degree of bendability and can better fit with the surface of the cable to be tested to make the imaging more realistic.

Applied to the embodiment of the present invention, the upper top plate 31 includes: an upper sliding plate 311 and an upper fixing plate 312; the first end of the upper fixing plate 312 is connected to the side plate 33, and the first end of the upper sliding plate 311 and the upper fixing plate 312 The second end is slidably connected, and the length of the upper top plate 31 can be adjusted by adjusting the sliding distance of the upper sliding plate 311 . The second end of the upper sliding plate 311 is provided with an upper collet 313 , and the first groove is located on the upper collet 313 and is disposed toward the side plate 33 .

In this embodiment, the lower top plate 32 includes: a lower sliding plate 321 and a lower fixing plate 322 ; the first end of the lower fixing plate 322 is connected to the side plate 33 , the first end of the lower sliding plate 321 and the second The length of the lower bottom plate 32 can be adjusted by adjusting the sliding distance of the lower sliding plate 321. The second end of the lower sliding plate 321 is provided with a lower clip 323, and the second groove is located on the lower clip 323 and faces the side plate. 33 orientation settings.

In the preferred embodiment of the present invention, the upper sliding plate 311 and the upper fixing plate 312, the lower sliding plate 321 and the lower fixing plate 322 are both provided with a limiting mechanism, and the upper top plate 31 and the lower top plate 32 are extended or shortened Limit afterward. As an example, the upper sliding plate 311 and the upper fixing plate 312 are drilled and the positioning bolts are used for positioning, which is simple and effective; the lower sliding plate 321 and the lower fixing plate 322 also adopt the same method.

As an example of the present invention, the upper chuck 313 is in the shape of a rectangular parallelepiped, one long side of the rectangular parallelepiped is fixedly connected to the upper sliding plate 311 along the edge, and the first groove is formed on the long side of the rectangular parallelepiped. In the same way, the lower chuck 323 is also in the shape of a rectangular parallelepiped, one long side of the rectangular parallelepiped is fixedly connected to the lower sliding plate 321 along the edge, and the second groove is formed on the long side of the rectangular parallelepiped.

As a preferred embodiment of the present invention, the first end of the upper fixing plate 312 is connected with the rotating shaft of the side plate 33 , so that the upper top plate 31 can rotate relative to the upper end of the side plate 33 . The first end of the lower fixing plate 322 is connected with the rotating shaft of the side plate 33 , so that the lower bottom plate 32 can rotate relative to the lower end of the side plate 33 .

Specifically, in this embodiment, the side plate 33 includes: an upper side plate 331 and a lower side plate 332 . The upper side plate 331 and the lower side plate 332 are slidably connected to each other. By adjusting the relative relationship between the upper side plate 331 and the lower side plate 332 The length of the side plate 33 can be adjusted in position. The upper side plate 331 is connected with the upper fixing plate 312 and the lower side plate 332 is connected with the lower fixing plate 322.

As an example of the present invention, the upper side plate 331 and the upper fixing plate 312 are connected by a hinge, and the lower side plate 332 and the lower fixing plate 322 are also connected by a hinge. In a further example, the hinges used are all damping hinges or self-locking hinges, which have certain damping and self-locking effects.

As an example of the present invention, the X-ray machine 1 used in this embodiment is a constant pressure machine or a pulse machine or other equipment.

In a preferred embodiment of the present invention, an automatic inspection robot for adjusting the positions of the X-ray machine 1 and the IP board fixture 3 is also included, and the X-ray machine 1 and the IP board fixture 3 are installed on the automatic inspection robot. The position of the X-ray machine 1 is adjusted by the automatic inspection robot, and the sliding and rotation parameters of each component in the IP board fixture 3 are adjusted by the automatic inspection robot, so as to automatically match the cylindrical power equipment such as cables and GIS pipes of different sizes, and realize fast Efficient inspection.

The technical solution provided by the present invention further includes: a method for automatic detection of cables in an intelligent substation, based on the above-mentioned detection device for cables in a substation, comprising the following steps:

(1) The big data platform of the smart substation automatically calls the historical data of the system, screens out the power equipment that needs to be inspected on the day, and dispatches the automatic inspection robot to the designated equipment location;

(2) The automatic inspection robot selects the appropriate IP board 2 and places it on the IP board fixture 3 according to the size and shape of the tested equipment, and adjusts the relative positions of the components of the IP board fixture 3 so that the IP board 2 can fit on the tested equipment. surface;

(3) The automatic inspection robot automatically adjusts the position of the X-ray machine 1 according to the placement position of the IP board 2 to match the position of the IP board 2;

(4) The automatic inspection robot controls the X-ray machine 1 to emit X-rays for detection according to the instructions sent by the big data platform of the smart substation;

(5) After the inspection is completed, the automatic inspection robot continues to arrive at the next equipment to be inspected for inspection.

It is known from the technical common sense that the present invention can be realized by other embodiments without departing from its spirit or essential characteristics. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are encompassed by the present invention.

Claims (10)

1. The transformer substation cable detection device is characterized by comprising an X-ray machine (1), an IP plate (2) and an IP plate clamp (3);

the IP plate clamp (3) comprises an upper top plate (31), a lower bottom plate (32) and a side plate (33); the first end of the upper top plate (31) is mounted on the side plate (33), and the second end of the upper top plate is provided with a first groove; the first end of the lower bottom plate (32) is mounted on the side plate (33), and the second end of the lower bottom plate is provided with a second groove; the upper top plate (31), the lower bottom plate (32) and the side plate (33) jointly form a cable accommodating space with one side opened;

the first end of IP board (2) is used for installing in the first recess, and the second end is used for installing in the second recess, and when detecting the cable state, the middle part of IP board (2) is crooked to curb plate (33) for the radian to the first face of IP board (2) is laminated with waiting to detect the cable surface mutually.

2. Substation cable detection device according to claim 1, characterized in that the IP board (2) is a flexible board.

3. Substation cable detection device according to claim 1, characterized in that the upper ceiling (31) comprises: an upper sliding plate (311) and an upper fixing plate (312);

the first end of the upper fixing plate (312) is connected with the side plate (33), the first end of the upper sliding plate (311) is connected with the second end of the upper fixing plate (312) in a sliding mode, an upper chuck (313) is arranged at the second end of the upper sliding plate (311), and the first groove is located on the upper chuck (313) and arranged towards the side plate (33).

4. The substation cable detection apparatus according to claim 3, wherein the first end of the upper fixing plate (312) is pivotally connected to the side plate (33).

5. The substation cable detection device of claim 3, wherein the lower ceiling comprises: a lower sliding plate (321) and a lower fixing plate (322);

the first end of the lower fixing plate (322) is connected with the side plate (33), the first end of the lower sliding plate (321) is connected with the second end of the lower fixing plate (322) in a sliding mode, a lower chuck (323) is arranged at the second end of the lower sliding plate (321), and the second groove is located on the lower chuck (323) and arranged towards the side plate (33).

6. Substation cable detection device according to claim 5, characterized in that the first end of the lower fixing plate (322) is pivotally connected to the side plate (33).

7. Substation cable detection device according to claim 5, characterized in that the side plate (33) comprises: the upper fixing plate comprises an upper side plate (331) and a lower side plate (332), wherein the upper side plate (331) is in sliding connection with the lower side plate (332), the upper side plate (331) is in rotating shaft connection with the upper fixing plate (312), and the lower side plate (332) is in rotating shaft connection with the lower fixing plate (322).

8. Substation cable detection device according to claim 1, characterized in that the X-ray machine (1) is a constant voltage machine or a pulse machine.

9. The substation cable detection device according to claim 1, further comprising an automatic inspection robot for adjusting the positions of the X-ray machine (1) and the IP board clamp (3), wherein the X-ray machine (1) and the IP board clamp (3) are mounted on the automatic inspection robot.

10. A substation cable automatic detection method based on the substation cable detection device of claim 9 is characterized by comprising the following steps:

the intelligent substation big data platform automatically calls system historical data, screens the power equipment needing to be inspected on the same day, and dispatches an automatic inspection robot to reach the position of the specified equipment;

the automatic inspection robot selects a proper IP plate (2) to be placed on the IP plate clamp (3) according to the size and shape of the inspected equipment, and the IP plate (2) can be attached to the surface of the inspected equipment by adjusting the relative positions of all parts of the IP plate clamp (3);

the automatic inspection robot automatically adjusts the position of the X-ray machine (1) according to the placement position of the IP plate (2) to enable the position of the X-ray machine to be matched with the position of the IP plate (2);

the automatic inspection robot controls an X-ray machine (1) to emit X-rays for detection according to an instruction sent by a big data platform of the intelligent substation;

after the detection is finished, the automatic inspection robot continues to reach the next equipment to be detected for detection.

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