CN110836900A - X-ray digital imaging detection correction auxiliary device for transformer substation - Google Patents

Abstract

The present application relates to the technical field of non-destructive testing of power equipment, and in particular, to an auxiliary device for X-ray digital imaging detection and correction used in substations. The present application provides an X-ray digital imaging detection and correction auxiliary device for a substation, including: an X-ray machine, which is electrically connected to a control terminal, and the X-ray machine receives a control signal from the control terminal and emits X-rays; a digital imaging board, which uses In order to receive and display the detected object to generate X-ray images, the digital imaging board is electrically connected with the made terminal; the control terminal is electrically connected with the digital imaging board, the X-ray machine and the image correction unit respectively, and the control terminal is used to set the X-ray machine. Detecting parameters, receiving the angle data of the digital imaging board and the X-ray machine; the control terminal is used to control the digital imaging board and receive the X-ray image data from the digital imaging board; the image correction unit is used to control the digital imaging board sent by the control terminal. Correction calculation is performed on the image data to obtain a corrected image.

Description

A kind of X-ray digital imaging detection and correction auxiliary device for substation

technical field

The present application relates to the technical field of non-destructive testing of power equipment, and in particular, to an auxiliary device for X-ray digital imaging detection and correction used in substations.

Background technique

X-ray detection technology has been widely used in the fault diagnosis of power equipment in substations. X-ray can find internal faults of invisible power equipment, such as internal foreign objects in GIS, assembly faults, etc.

However, the complex working conditions of the substation lead to two problems in X-ray inspection: the imaging angle is limited, and it is difficult to accurately locate and judge the defect position; the X-ray machine and the imaging board cannot be guaranteed to be parallel, making it difficult to intelligently identify X-ray images and manually read images. Increase, it is easy to cause misjudgment of the image or missed detection of defects.

SUMMARY OF THE INVENTION

The application provides an X-ray digital imaging detection and correction auxiliary device for a substation. An X-ray machine is used to establish an electrical connection with a control terminal, the digital imaging panel receives and displays the detected object to generate an X-ray image, and the control terminal controls the X-ray The parameters and angles of the machine are sent to the image correction unit for calculation to obtain the corrected image.

The embodiments of the present application are implemented as follows:

The embodiment of the present application provides an X-ray digital imaging detection and correction auxiliary device for a substation, including:

The X-ray machine establishes an electrical connection with the control terminal, and the X-ray machine receives the control signal of the control terminal and emits X-rays with a certain power;

a digital imaging board for receiving and displaying the X-ray image generated by the detected object, the digital imaging board is electrically connected with the control terminal;

A control terminal, which is electrically connected to the digital imaging board, the X-ray machine, and the image correction unit, respectively, and the control terminal is used to set detection parameters of the X-ray machine, and receive the information from the X-ray machine and the digital imaging board. angle data; and the control terminal is used to control the digital imaging panel and receive X-ray image data from the digital imaging panel;

The image correction unit is configured to perform correction calculation on the image data of the digital imaging panel 2 sent by the control terminal to obtain a corrected image.

Optionally, the X-ray machine includes an emission module, an angle monitoring module and a data transmission module;

The emission module is configured to control the tube voltage, tube current and the holding time of the maximum tube voltage of the X-ray machine through the control terminal, so as to emit X-rays with a specific intensity;

an angle monitoring module configured to measure the angle between the X-ray machine and the horizontal ground;

The data transmission module is configured to transmit the three-dimensional angle data measured by the angle monitoring module.

Optionally, the data transmission module may use wired communication or wireless communication, wherein the wireless communication may use 3G, 4G, and 5G communication.

Optionally, the digital imaging board includes an angle monitoring module, an imaging module, a correction module and a data transmission module,

The angle monitoring module is configured to measure the angle data of the digital imaging plate and the horizontal ground;

The imaging module is configured to collect radiographic image data generated after the X-ray irradiates the detected object;

Correction module, configured to correct special images;

The data transmission module is configured to transmit the radiographic image data of the imaging module and the angle data measured by the angle monitoring module.

Optionally, the correction module includes three built-in lead blocks with the same thickness and the same size.

Optionally, the correction module is configured to correct the tilt of the digital imaging plate, or the special image caused by the emission cone angle of the X-ray machine not being aligned with the center point of the digital imaging plate.

Optionally, the control terminal includes an X-ray control module, a digital imaging control module and a data receiving module;

The X-ray control module ensures that the X-ray machine emits rays of a certain intensity by adjusting the tube voltage, tube current, and maximum tube voltage holding time of the X-ray machine and controlling the start and stop of the X-ray machine;

The digital imaging control module is controlled by the X-ray control module, when the X-ray machine ray is generated, the imaging module of the imaging board is activated, and the acquisition ends when the tube voltage of the X-ray machine reaches the maximum tube voltage and starts to drop;

The data receiving module is connected with the data transmission module of the X-ray machine and the data transmission module of the digital imaging board by wire or wireless, so as to obtain the angle data of the X-ray machine and the digital imaging board, as well as the angle data of the digital imaging board. image data.

Optionally, the image correction unit is electrically connected to the data receiving module of the control terminal, and is used to correct the X-ray image according to the angle of the X-ray machine and the digital imaging board and the three lead blocks built in the digital imaging board. The image of the X-ray machine is calculated to obtain the relationship between the ray emission position of the X-ray machine and the pose of the X-ray machine, and the problem of the X-ray image caused by the pose relationship is corrected.

Optionally, the angle monitoring module of the X-ray machine and the angle monitoring module of the digital imaging board use a three-axis gyroscope as the angle sensor.

The benefits of the present application are as follows: an electrical connection is established with the control terminal through the X-ray machine, the digital imaging panel receives and displays the detected object to generate an X-ray image, and the control terminal controls the parameters and angles of the X-ray machine to send data to the image correction unit for calculation Get the corrected image.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present application, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 shows a structural block diagram of an X-ray digital imaging detection and correction auxiliary device for a substation according to an embodiment of the present application;

2 shows a schematic structural diagram of a transmitter and a digital imaging board of an X-ray digital imaging detection and correction auxiliary device used in a substation according to an embodiment of the present application;

3 shows a schematic diagram of the connection between a control terminal of an X-ray digital imaging detection and correction auxiliary device for a substation, an X-ray machine and a digital imaging board according to an embodiment of the present application;

FIG. 4 shows a data control flow and a data transfer flow chart for X-ray image correction of an X-ray digital imaging detection and correction auxiliary device used in a substation according to an embodiment of the present application;

Illustration description:

Among them, 1-X-ray machine; 2-digital imaging board; 3-control terminal; 4-image correction unit; 11-transmission module; 12-angle monitoring module; 13-data transmission module; 21-angle monitoring module; 22- Imaging module; 23-correction module; 24-data transmission module; 31-X-ray control module; 32-digital imaging control module; 33-data receiving module.

Detailed ways

In order to make the objectives, technical solutions and advantages of the exemplary embodiments of the present application clearer, the technical solutions in the exemplary embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the exemplary embodiments of the present application. Obviously, , the described exemplary embodiments are only a part of the embodiments of the present application, but not all of the embodiments.

Based on the exemplary embodiments shown in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application. In addition, although the disclosures in this application are presented in terms of one or several exemplary examples, it should be understood that each aspect of these disclosures can also constitute a complete technical solution individually.

It should be understood that the terms "first", "second", "third", etc. in the description and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that data so used may be interchanged under appropriate circumstances, eg, can be implemented according to an order other than those presented in the illustrations or descriptions of the embodiments of the present application.

Furthermore, the terms "comprising" and "having" and any variations thereof are intended to cover but not exclusively include, for example, a product or device incorporating a series of components is not necessarily limited to those explicitly listed, but may include No other components are expressly listed or inherent to these products or devices.

As used in this application, the term "module" refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic or combination of hardware or/and software code capable of performing the function associated with that element. .

Reference throughout this specification to "embodiments," "some embodiments," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one in the examples. Thus, appearances of the phrases "in multiple embodiments," "in some embodiments," "in at least another embodiment," or "in an embodiment" and the like throughout this specification are not necessarily all referring to the same Example. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments. Thus, without limitation, a particular feature, structure or characteristic illustrated or described in connection with one embodiment may be combined in whole or in part with the feature, structure or characteristic of one or more other embodiments. Such modifications and variations are intended to be included within the scope of this application.

The present application provides an X-ray digital imaging detection and correction auxiliary device for a substation.

As shown in FIG. 1 , the X-ray digital imaging detection and correction auxiliary device for a substation according to the embodiment of the present application includes an X-ray machine 1 , a digital imaging board 2 , a control terminal 3 , and an image correction unit 4 .

The X-ray machine 1 establishes an electrical connection with a control terminal 3, and the X-ray machine receives a control signal from the control terminal and emits X-rays with a certain power.

The digital imaging board 2 is used to receive and display the X-ray image of the detected object, that is, the detected workpiece, and the digital imaging board 2 is electrically connected with the control terminal 3 .

The control terminal 3 establishes electrical connection with the digital imaging board 2, the X-ray machine 1 and the image correction unit 4 respectively, the control terminal is used for setting and controlling the detection parameters of the X-ray machine 1, receiving the X-ray machine and digital imaging On the other hand, the control terminal is also used to control the imaging start and stop action and time of the digital imaging board 2 , and receive image data from the digital imaging board 2 .

The image correction unit 4 is used to acquire the data of the control terminal 3 and calculate the data; the image correction unit acquires the image data of the digital imaging panel 2 to obtain a corrected image that is convenient for manual reading or intelligent image recognition, The corrected image can also be applied to 3D image reconstruction.

The above components will be described in detail below.

The X-ray machine 1 includes an emission module 11 , an angle monitoring module 12 and a data transmission module 13 , as shown in FIG. 2 .

The emission module 11 is configured to control the tube voltage, tube current and the holding time of the maximum tube voltage of the X-ray machine 1 through the control terminal 3, so as to emit X-rays with a specific intensity.

The angle monitoring module 12 is configured to measure the angle between the X-ray machine 1 and the horizontal ground.

The data transmission module 13 is configured to transmit the three-dimensional angle data measured by the angle monitoring module 12 .

In some embodiments, the data transmission module 13 can use wired communication or wireless communication, wherein the wireless communication can use 3G, 4G, and 5G communication.

The digital imaging board 2 includes an angle monitoring module 21 , an imaging module 22 , a correction module 23 and a data transmission module 24 , as shown in FIG. 2 .

The angle monitoring module 21 is configured to measure the angle data of the digital imaging plate and the horizontal ground.

The imaging module 22 is configured to collect radiographic image data generated after X-rays irradiate the detected object.

The correction module 23 includes three built-in lead blocks with the same thickness and the same size, and is configured to correct the inclination of the digital imaging board 2 at a certain angle when the digital imaging board 2 is perpendicular to the ground and the emission cone of the X-ray machine 1 The corners do not face the special image caused by the center point of the digital imaging plate 2.

The data transmission module 24 is configured to transmit the radiographic image data of the imaging module 22 and the angle data of the angle monitoring module 21 .

The control terminal 3 includes: an X-ray control module 31 , a digital imaging control module 32 and a data receiving module 33 , as shown in FIG. 3 .

The X-ray control module 31 adjusts the tube voltage, tube current, and maximum tube voltage holding time of the X-ray machine 1, and controls the start and stop of the X-ray machine 1 to ensure that the X-ray machine emits rays of a certain intensity.

The digital imaging control module 32 is controlled by the X-ray control module 31. When the radiation of the X-ray machine 1 is generated, the imaging module 22 of the digital imaging board 2 is activated. When the tube voltage of the X-ray machine 1 reaches the maximum tube voltage, it begins to drop. End acquisition.

The data receiving module 33 establishes an electrical connection with the data transmission module 13 of the X-ray machine 1 and the data transmission module 24 of the digital imaging board 2 through wired or wireless, so as to obtain the angle data of the X-ray machine 1 and the digital imaging board 2, as well as the digital imaging image data of plate 2.

The image correction unit 4 is electrically connected to the data receiving module 33 of the control terminal 3, and is configured to correct the X-ray image according to the angle of the X-ray machine 1 and the digital imaging board 2 and the three built-in leads of the digital imaging board. The image of the block is calculated to obtain the positional relationship between the ray emission position of the X-ray machine 1 and the X-ray machine 1, and the problem of difficult judgment and intelligent identification of the X-ray image caused by this positional relationship is corrected, as shown in Figure 4.

In some embodiments, the angle monitoring module 12 of the X-ray machine 1 and the angle monitoring module 24 of the digital imaging panel 2 use a three-axis gyroscope as an angle sensor.

Continue to refer to FIG. 4 .

The on-site staff at the substation completes the arrangement of the X-ray machine 1 and the digital imaging panel 2;

The X-ray control module 31 of the control terminal 3 controls to start the emission module 11 of the X-ray machine. At this time, the angle detection module 12 of the X-ray machine 1 quickly measures and obtains the angle data between the X-ray machine 1 and the ground, and calculates the angle. The data is sent to the data receiving module 33 of the control terminal 3 through the data transmission module 13 of the X-ray machine 1;

At the same time, the X-ray control module 31 triggers the digital imaging control module 32, the digital imaging control module activates the imaging module 22, and the angle monitoring module 21 of the digital imaging board 2 quickly measures the angle data between the digital imaging board 2 and the ground;

When the tube voltage of the X-ray machine 1 rises to the highest tube voltage and begins to drop, the imaging module 22 is turned off, and the collected image data including the data of the correction module 23 and the angle data of the digital imaging board 2 are transmitted to the data receiving module 33 .

When the tube voltage of the X-ray machine 1 drops to zero, the X-ray control module 31 turns off the power of the X-ray machine 1 .

The image correction unit 4 receives the data of the data receiving module 33 of the control terminal 3 by loading the angle data of the digital imaging board 2, the image data of the correction module 23 and the angle data, tube voltage and tube current data of the X-ray machine 1. , calculate the ray cone angle of the X-ray machine 1 and the focal length data between the points of the digital imaging plate 2;

According to the relationship between the grayscale of the X-ray image and the tube voltage, tube current, and focal length, the influence of different focal lengths, different tube voltages, and different tube currents on the X-ray image is corrected, and the obtained X-ray corrected image is the focal length, tube voltage, and tube current. Equivalent X-ray image.

Among them, the correction process affecting the correction module 4 is mainly based on the fact that when the X-ray penetrates electrical equipment of different materials and different thicknesses, the attenuation of the X-ray is different, and the obtained images are quite different. Further, by comparing the correction modules in the correction process 23 The image data of the three lead blocks is used to obtain the pose relationship between the emission cone angle of the X-ray machine 1 and the center point of the digital imaging plate 2 .

The obtained corrected image is equivalent to the X-ray image obtained under the condition of fixed focal length and fixed tube voltage in the laboratory. The image obtained by the image correction unit 4 can be used for three-dimensional image reconstruction of power equipment in the laboratory or on-site PC computer for three-dimensional image reconstruction. Reconstruction provides an effective means for accurate judgment of the location and type of power equipment defects.

The beneficial effect of the embodiments of the present application is that, through the X-ray machine, an electrical connection is established with the control terminal, the digital imaging panel receives and displays the detected object to generate an X-ray image, and the control terminal controls the parameters and angles of the X-ray machine to send data to the image correction The unit calculates the corrected image.

Furthermore, those skilled in the art will appreciate that aspects of this application may be illustrated and described in several patentable categories or situations, including any new and useful process, machine, product, or combination of matter, or combinations of them. of any new and useful improvements. Accordingly, various aspects of the present application may be performed entirely by hardware, entirely by software (including firmware, resident software, microcode, etc.), or by a combination of hardware and software. The above hardware or software may be referred to as a "block", "module", "engine", "unit", "component" or "system". Furthermore, aspects of the present application may be embodied as a computer product comprising computer readable program code embodied in one or more computer readable media.

A computer storage medium may contain a propagated data signal encoded with a computer program embodied therein, for example, on baseband or as part of a carrier wave. The propagating signal may take a variety of manifestations, including electromagnetic, optical, etc., or a suitable combination. Computer storage media can be any computer-readable media other than computer-readable storage media that can communicate, propagate, or transmit a program for use by coupling to an instruction execution system, apparatus, or device. Program code on a computer storage medium may be transmitted over any suitable medium, including radio, cable, fiber optic cable, RF, or the like, or a combination of any of the foregoing.

The computer program coding required for the operation of the various parts of this application may be written in any one or more programming languages, including object-oriented programming languages such as Java, Scala, Smalltalk, Eiffel, JADE, Emerald, C++, C#, VB.NET, Python etc., conventional procedural programming languages such as C language, Visual Basic, Fortran 2003, Perl, COBOL 2002, PHP, ABAP, dynamic programming languages such as Python, Ruby and Groovy, or other programming languages, etc. The program code may run entirely on the user's computer, or as a stand-alone software package on the user's computer, or partly on the user's computer and partly on a remote computer, or entirely on the remote computer or server. In the latter case, the remote computer may be connected to the user's computer through any network, such as a local area network (LAN) or wide area network (WAN), or to an external computer (eg, through the Internet), or in a cloud computing environment, or as a service Use eg software as a service (SaaS).

Furthermore, unless explicitly stated in the claims, the order of processing elements and sequences described in the present application, the use of numbers and letters, or the use of other names are not intended to limit the order of the procedures and methods of the present application. While the foregoing disclosure discusses by way of various examples some embodiments of the invention that are presently believed to be useful, it is to be understood that such details are for purposes of illustration only and that the appended claims are not limited to the disclosed embodiments, but rather The requirements are intended to cover all modifications and equivalent combinations falling within the spirit and scope of the embodiments of the present application. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described systems on existing servers or mobile devices.

Similarly, it should be noted that, in order to simplify the expressions disclosed in the present application and thus help the understanding of one or more embodiments of the invention, in the foregoing description of the embodiments of the present application, various features are sometimes combined into one embodiment, in the drawings or descriptions thereof. However, this method of disclosure does not imply that the subject matter of the application requires more features than those mentioned in the claims. Indeed, there are fewer features of an embodiment than all of the features of a single embodiment disclosed above.

Each patent, patent application, patent application publication, and other material, such as article, book, specification, publication, document, etc., cited in this application is hereby incorporated by reference in its entirety. Application history documents that are inconsistent with or conflict with the content of this application are excluded, as are documents (currently or hereafter appended to this application) that limit the broadest scope of the claims of this application. It should be noted that, if there is any inconsistency or conflict between the descriptions, definitions and/or terms used in the attached materials of this application and the content of this application, the descriptions, definitions and/or terms used in this application shall prevail .

Claims (9)

1. An X-ray digital imaging detection and correction auxiliary device for substation, characterized in that, comprising: The X-ray machine establishes an electrical connection with the control terminal, and the X-ray machine receives the control signal of the control terminal and emits X-rays with a certain power; a digital imaging board for receiving and displaying the X-ray image generated by the detected object, the digital imaging board is electrically connected with the control terminal; A control terminal, which is electrically connected to the digital imaging board, the X-ray machine, and the image correction unit, respectively, and the control terminal is used for setting detection parameters of the X-ray machine, and receiving the information from the X-ray machine and the digital imaging board. angle data; and the control terminal is used to control the digital imaging panel and receive X-ray image data from the digital imaging panel; The image correction unit is configured to perform correction calculation on the image data of the digital imaging panel 2 sent by the control terminal to obtain a corrected image. 2. The X-ray digital imaging detection and correction auxiliary device for a substation according to claim 1, wherein the X-ray machine comprises a transmitting module, an angle monitoring module and a data transmission module; The emission module is configured to control the tube voltage, tube current and the holding time of the maximum tube voltage of the X-ray machine through the control terminal, so as to emit X-rays with a specific intensity; an angle monitoring module configured to measure the angle between the X-ray machine and the horizontal ground; The data transmission module is configured to transmit the three-dimensional angle data measured by the angle monitoring module. 3. The X-ray digital imaging detection and correction auxiliary device for a substation according to claim 2, wherein the data transmission module can adopt wired communication or wireless communication, wherein the wireless communication can adopt 3G, 4G, 5G communication. 4. The X-ray digital imaging detection and correction auxiliary device for a substation according to claim 1, wherein the digital imaging board comprises an angle monitoring module, an imaging module, a correction module and a data transmission module, The angle monitoring module is configured to measure the angle data of the digital imaging plate and the horizontal ground; The imaging module is configured to collect radiographic image data generated after the X-ray irradiates the detected object; Correction module, configured to correct special images; The data transmission module is configured to transmit the radiographic image data of the imaging module and the angle data measured by the angle monitoring module. 5 . The X-ray digital imaging detection and correction auxiliary device for a substation according to claim 4 , wherein the correction module comprises three built-in lead blocks with the same thickness and the same size. 6 . 6. The X-ray digital imaging detection and correction auxiliary device for a substation according to claim 5, wherein the correction module is configured to correct the tilt of the digital imaging plate, or the X-ray machine The special image caused by the misalignment of the emission cone angle to the center point of the digital imaging plate. 7. The X-ray digital imaging detection and correction auxiliary device for a substation according to claim 1, wherein the control terminal comprises an X-ray control module, a digital imaging control module and a data receiving module; The X-ray control module ensures that the X-ray machine emits rays of a certain intensity by adjusting the tube voltage, tube current, and maximum tube voltage holding time of the X-ray machine and controlling the start and stop of the X-ray machine; The digital imaging control module is controlled by the X-ray control module, when the X-ray machine ray is generated, the imaging module of the imaging board is activated, and the acquisition ends when the tube voltage of the X-ray machine reaches the maximum tube voltage and starts to drop; The data receiving module is connected with the data transmission module of the X-ray machine and the data transmission module of the digital imaging board by wire or wireless, so as to obtain the angle data of the X-ray machine and the digital imaging board, as well as the angle data of the digital imaging board. image data. 8 . The X-ray digital imaging detection and correction auxiliary device for a substation according to claim 7 , wherein the image correction unit is electrically connected to the data receiving module of the control terminal, and is used for correcting the X-ray image, 9 . According to the angles of the X-ray machine and the digital imaging board and the images of the three lead blocks built in the digital imaging board, the relationship between the ray emission position of the X-ray machine and the pose and attitude of the X-ray machine is calculated, and the position and orientation of the X-ray machine are corrected. Problems with X-ray images caused by the attitude relationship. 9. The X-ray digital imaging detection and correction auxiliary device for a substation according to claim 2 or 4, wherein the angle monitoring module of the X-ray machine and the angle monitoring module of the digital imaging board adopt three-axis A gyroscope acts as an angle sensor.

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