Image acquisition device and inspection equipment

Abstract

The application discloses an image acquisition device and an inspection equipment, and relates to the technical field of power inspection devices, wherein the image acquisition device comprises a holder and an image acquisition mechanism, the image acquisition mechanism comprises a detection probe, an image acquisition module and an image display module which are electrically connected to an information output end of the detection probe, and the detection probe is installed on the holder; the holder is used for supporting the detection probe, and the holder comprises a base which is horizontally arranged, and a linear driving assembly which is installed on the base and is used for mounting the detection probe and driving the detection probe to be close to the surface of a power equipment to be detected; a cleaning mechanism is further installed on the base and is used for cleaning the surface of the power equipment to be detected and cleaning the scattered dust when the detection probe is close to the surface of the power equipment to be detected; the application can effectively reduce the influence of dust on the surface of the power equipment to be detected on the detection accuracy of the detection probe, and effectively reduce the measurement deviation of the image acquisition device.

Description

Technical Field

[0001] This application relates to the field of power inspection device technology, and in particular to an image acquisition device and inspection equipment. Background Technology

[0002] When electrical equipment malfunctions, partial discharge typically occurs. If not repaired promptly, this can lead to equipment breakdown and prevent the equipment from operating normally. In current technology, because it is difficult to guarantee uninterrupted partial discharge detection through manual inspection, a combined ultrasonic and ultra-high frequency detection system is commonly used to detect partial discharge in electrical equipment.

[0003] The ultrasonic and ultra-high frequency (UHF) combined detection system refers to a system where an UHF sensor is fixed to a basin-type insulator, and an ultrasonic sensor is mounted on the housing. The partial discharge (PD) signal detected by the sensors is input to the PD detection system for testing. The PD detection system includes a signal amplifier, a signal acquisition front-end, and an expert system. The PD signal detected by the sensors first passes through the signal amplifier, then enters the signal acquisition front-end, and after processing by the signal acquisition front-end, it is sent to the expert system for analysis. In this process, the initial location of the discharge is determined using the ultra-high frequency method, while the accurate location is determined using the ultrasonic method. Currently, a common method for detecting partial discharge in circuits involves using an inverted device and a sliding rail to move the image acquisition module to the detection position, aligning the detection probe of the image acquisition module with the area to be detected. The partial discharge is then detected using a combination of ultra-high frequency and ultrasonic methods. For example, a partial discharge detection device and inspection equipment disclosed in Chinese utility model patent document CN215986198U are shown. In this case, partial discharge detection of switchgear mainly involves placing the probe of the partial discharge detector against the switchgear cabinet and inspecting each switchgear individually. Another example is an image acquisition device and inspection robot disclosed in Chinese utility model patent document CN218387663U. This device connects the drive wheel and driven wheel using a synchronous belt drive, and mounts the image acquisition module on the synchronous belt. The drive device moves the synchronous belt while simultaneously moving the image acquisition module, thus detecting partial discharge and acquiring images.

[0004] Regarding the aforementioned technologies, in actual testing operations, since ultra-high frequency (UHF) testing primarily uses the time sequence of signals detected by the probe as the basis for judgment, and the probe's detection of UHF signals mainly relies on the propagation of electromagnetic waves, while ultrasonic testing mainly relies on the propagation of sound wave pulses; when there is dust accumulation on the switch cabinet surface, the dust absorbs the ultrasonic pulse signals, causing most of the energy to be scattered and absorbed, resulting in only a small portion of the energy returning, which easily leads to signal loss; in addition, during the movement of the probe, a small amount of dust can easily adhere to the probe surface, affecting the normal signal transmission and reception of the probe, ultimately causing measurement deviation. Summary of the Invention

[0005] In order to improve the impact of dust accumulation on the switch cabinet surface on the detection probe and reduce measurement deviation, this application provides an image acquisition device and inspection equipment.

[0006] In a first aspect, this application provides an image acquisition device, which adopts the following technical solution: An image acquisition device includes a pan-tilt unit and an image acquisition mechanism. The image acquisition mechanism includes a detection probe and an image acquisition module and an image display module electrically connected to the information output terminal of the detection probe. The detection probe is mounted on the pan-tilt unit. The pan-tilt unit supports the detection probe and includes a horizontally arranged base and a linear drive assembly mounted on the base for mounting the detection probe and driving the detection probe close to the surface of the electrical equipment to be tested. The base is also equipped with a cleaning mechanism for cleaning the surface of the electrical equipment to be tested and removing any loose dust when the detection probe is close to the surface of the electrical equipment.

[0007] By adopting the above technical solution, on the one hand, the pan-tilt unit drives the image acquisition mechanism closer to the electrical equipment under test, and the pan-tilt unit and image acquisition mechanism are less prone to shaking, which is conducive to the stable ultra-high frequency detection and ultrasonic detection of the image acquisition mechanism. On the other hand, the linear drive component drives the detection probe to move linearly closer to / away from the electrical equipment under test, which is relatively easy to control. When the linear drive component drives the detection probe closer to the electrical equipment under test, the cleaning mechanism can clean the surface of the electrical equipment under test and remove the scattered dust, thereby reducing the accumulation of dust on the surface of the electrical equipment under test, reducing the influence of dust on the ultrasonic pulse signal, and simultaneously reducing the dispersion of dust, improving the dust adhesion phenomenon on the surface of the detection probe, and thus reducing the impact of dust accumulation on the detection accuracy of the detection probe, effectively reducing measurement deviation.

[0008] Optionally, the linear drive assembly includes a first linear drive member and a mounting base. The first linear drive member is fixedly mounted on one side of the base and is used to drive the mounting base horizontally closer to / away from the base. The detection probe and the cleaning mechanism are both mounted on the mounting base. The cleaning mechanism includes a movable cover rotatably connected to one side of the mounting base, a cleaning member disposed on the movable cover, and a drive assembly for driving the movable cover to rotate. The cleaning member is located on the side of the movable cover away from the mounting base, and the side of the cleaning member away from the movable cover is adapted to move and abut against the surface of the electrical equipment to be tested.

[0009] By adopting the above technical solution, controlling the first linear drive component can conveniently drive the mounting base to move the probe and cleaning mechanism horizontally closer to / away from the base, thereby moving them closer to / away from the surface of the electrical equipment to be tested. During this process, when the side of the cleaning component away from the moving cover comes into contact with the surface of the part to be tested, the drive component drives the moving cover to rotate, which in turn drives the cleaning component on the moving cover to rotate, thereby scraping and cleaning the dust accumulated on the surface of the electrical equipment to be tested.

[0010] Optionally, the drive assembly includes a first gear rotatably mounted on a mounting base and a drive component for driving the first gear to rotate. A connecting rod is fixedly connected to the movable cover, and the end of the connecting rod away from the movable cover is provided with teeth adapted to mesh with the first gear. The movable cover moves closer to / away from the front of the detection probe, and the axial direction of the first gear is perpendicular to the output direction of the first linear drive component.

[0011] By adopting the above technical solution, the first gear is driven to rotate by the driving component, which can drive the connecting rod to rotate around the first gear in a relatively convenient and stable manner. This causes the moving cover to move closer to or away from the front of the detection probe, so that the moving cover can drive the cleaning component to scrape and clean the dust accumulated on the surface to be detected in a relatively convenient and stable manner.

[0012] Optionally, the movable cover has an air intake hole on the side away from the mounting base, and an air intake pipe is connected to the air intake hole. The end of the air intake pipe away from the air intake hole is connected to a suction component for drawing in external air, and the suction component is fixedly installed on the mounting base.

[0013] By adopting the above technical solution, the suction component is activated and the suction component is controlled accordingly to draw air from the suction pipe. After the moving cover and the cleaning component sweep away the dust on the surface of the electrical equipment to be tested, the dust dispersed on the surface of the electrical equipment to be tested can be sucked up, thereby effectively improving the dust adhesion phenomenon on the surface of the detection probe.

[0014] Optionally, two sets of the movable cover and the first gear are provided, and the two sets of the movable cover and the first gear are respectively located on both sides of the mounting base. The driving component is used to drive the two sets of first gears to rotate synchronously. When the two sets of movable covers rotate to the end point of the rotation of the movable cover, the two sets of movable covers together cover the surface of the detection probe. When the two sets of movable covers rotate to the starting point of the rotation of the movable cover, the surface of the two sets of movable covers that are close to each other and the detection surface of the detection probe are coplanar.

[0015] By adopting the above technical solution, the two sets of movable covers and the first gear cooperate to expand the cleaning area of ​​the cleaning mechanism. On the other hand, when the movable cover rotates to its rotation endpoint, the two sets of movable covers can jointly cover the surface of the detection probe, protecting it from collisions with external debris and acting as a protective barrier to reduce the adhesion of drifting dust to the surface of the detection probe. When the movable cover rotates to its rotation starting point, and the detection probe is in contact with the surface of the electrical equipment to be tested, the side of the movable cover is also in contact with the surface of the electrical equipment to be tested, thereby effectively supporting the detection probe, expanding the support area of ​​the base for the detection probe, and enabling the detection probe to test the electrical equipment to be tested more stably.

[0016] Optionally, the cleaning component is hinged to the movable cover, the rotation axis of the cleaning component is parallel to the rotation axis of the movable cover, and the movable cover is equipped with a conversion component for driving the cleaning component to rotate with the movable cover when the movable cover rotates.

[0017] By adopting the above technical solution, the conversion component drives the cleaning component to rotate with the moving cover when the moving cover rotates, which can expand the sweeping range of the moving cover and the cleaning component on the surface of the electrical equipment to be tested, thereby enabling the cleaning mechanism to more effectively and powerfully clean the surface of the electrical equipment to be tested.

[0018] Optionally, the mounting base is further fixedly mounted with a suction cup for adsorbing and fixing the surface of the electrical equipment to be tested when the mounting base moves to the working position. The suction cup is slidably connected to the mounting base, and the sliding direction of the suction cup is parallel to the output direction of the first linear drive component. The mounting base is also fixedly mounted with a moving component for driving the suction cup to move linearly back and forth.

[0019] By adopting the above technical solution, the suction cup is driven by a moving component to move in a straight line closer to the electrical equipment to be tested. This allows the suction cup to be adsorbed and fixed on the surface of the electrical equipment to be tested when the mounting base moves to the working position, thereby enabling the detection probe to perform ultra-high frequency and ultrasonic testing on the electrical equipment to be tested more stably.

[0020] Optionally, the moving component includes a second gear rotatably connected to the mounting base and a drive rack slidably connected to the mounting base. The drive rack and the second gear mesh with each other, and the length direction and sliding direction of the drive rack are parallel to the output direction of the first linear drive member. The second gear is coaxially fixedly connected to the rotation shaft of the first gear.

[0021] By adopting the above technical solution, when the operator drives the first gear to rotate using the drive component, the second gear can be driven to rotate synchronously. Thus, when the operator controls the moving cover and cleaning component to move away from the detection probe, the first gear drives the suction cup to approach the electrical equipment to be tested, thereby fixing the detection probe to the surface of the electrical equipment to be tested and facilitating stable detection by the detection probe. When the operator controls the moving cover and cleaning component to approach the detection probe, the first gear drives the suction cup to move away from the electrical equipment to be tested, making it easier for the detection probe to detach from the surface of the electrical equipment to be tested.

[0022] Optionally, a movable block for slidingly connecting a suction cup to the mounting base is slidably connected to the mounting base. The movable block has a negative pressure hole. The negative pressure hole and the suction cup are both located on the side of the movable block closer to the electrical equipment to be tested, and the negative pressure hole is connected to the suction end of the suction component.

[0023] By adopting the above technical solution, which uses a suction component and a negative pressure hole in combination, on the one hand, it is easy to create a negative pressure environment on the surface of the electrical equipment to be tested, so that the detection probe can be more stably fixed on the surface of the electrical equipment to be tested, which is conducive to more accurate partial discharge detection; on the other hand, as the suction component draws into the negative pressure hole, it can draw in some dust that has escaped from the air, thereby further reducing the possibility of dust adhering to the surface of the detection probe and improving the accuracy of partial discharge detection.

[0024] Secondly, this application provides an inspection device, which adopts the following technical solution: An inspection device includes an image acquisition device as described above, and also includes a hanging rail suspended above the electrical equipment to be inspected, a slide block slidably connected to the hanging rail, and a lifting platform and lifting assembly fixedly connected to the slide block for fixing the pan-tilt unit and driving the pan-tilt unit to move up and down in the vertical direction, wherein the base is installed on the lifting platform.

[0025] By adopting the above technical solution, the combination of the hanging rail and the slide can easily move the image acquisition device to the part to be inspected, thereby realizing the partial discharge detection of multiple power devices in a certain area. This facilitates the operator to carry out timely maintenance of the power devices in the relevant area and ensures the normal operation of the power devices.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. By coordinating the pan-tilt unit, image acquisition mechanism, and cleaning mechanism, the detection probe can be driven to move relatively stably in a straight line towards / away from the electrical equipment to be tested, and the surface of the electrical equipment to be tested can be effectively cleaned and the loose dust can be sucked up and cleaned. This effectively reduces the impact of dust accumulation on the surface of the electrical equipment to be tested on the detection accuracy of the detection probe and effectively reduces the measurement deviation of the image acquisition device. 2. By combining the movable cover, cleaning components and drive assembly, it is possible to easily and stably scrape and clean the dust on the surface of the power equipment to be tested, thereby reducing the impact of dust on the ultrasonic pulse signal. 3. By using a suction cup and a negative pressure hole, the detection probe and the surface of the electrical equipment to be tested can be adsorbed and fixed when the mounting base is moved to the working position. This allows the detection probe to perform ultra-high frequency and ultrasonic testing on the component to be tested more stably, thereby improving the accuracy of partial discharge detection by the detection probe. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application; Figure 2 This is a partial structural diagram of an embodiment of this application; Figure 3 yes Figure 2 An enlarged schematic diagram of part A in the middle; Figure 4 This is a partial structural diagram of an embodiment of this application, made to illustrate the negative pressure hole.

[0028] Reference numerals: 1. Gimbal; 11. Base; 12. First linear drive component; 13. Mounting base; 131. Suction cup; 132. Moving block; 133. Negative pressure hole; 14. Moving assembly; 141. Second gear; 142. Drive rack; 2. Detection probe; 3. Cleaning mechanism; 31. Moving cover; 311. Flexible paddle; 312. Suction hole; 313. Suction pipe; 32. Cleaning component; 33. Drive assembly; 331. First gear; 332. Drive gear plate; 333. Second linear drive component; 34. Connecting rod; 35. Conversion component; 351. Limiting frame; 352. Limiting rod; 353. Hinge rod; 4. Hanging rail; 5. Slide; 6. Lifting platform; 7. Lifting assembly. Detailed Implementation

[0029] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0030] This application discloses an image acquisition device.

[0031] Reference Figure 1 and Figure 2An image acquisition device includes a pan-tilt unit 1 and an image acquisition mechanism. The image acquisition mechanism includes a detection probe 2 for contacting and detecting electrical equipment, and an image acquisition module and an image display module electrically connected to the information output end of the detection probe 2. The pan-tilt unit 1 is used for mounting and fixing the image acquisition mechanism and for supporting the detection probe 2. The pan-tilt unit 1 is provided with a cleaning mechanism 3 for cleaning the surface of the electrical equipment to be detected and cleaning up any dust that escapes when the detection probe 2 is close to the surface of the electrical equipment to be detected.

[0032] Specifically, the pan-tilt unit 1 includes a horizontally arranged base 11 and a linear drive assembly mounted on the base 11 for mounting the detection probe 2 and driving the detection probe 2 close to the electrical equipment to be inspected. The base 11 is suitable for mounting the image acquisition device onto the relevant inspection equipment / device.

[0033] Reference Figure 2 and Figure 3 The linear drive assembly includes a first linear drive component 12 and a mounting base 13. The first linear drive component 12 can be any linear drive component such as a drive motor, drive cylinder, or electric push rod. The mounting base 13 is rectangular in shape. The first linear drive component 12 is fixedly installed on one side of the base 11, and the mounting base 13 is fixedly installed on the output shaft end of the first linear drive component 12. The mounting base 13 is horizontally arranged, and the connection surface between the mounting base 13 and the first linear drive component 12 is a vertical plane. The first linear drive component 12 is used to drive the mounting base 13 to move horizontally closer to / away from the base 11.

[0034] Both the detection probe 2 and the cleaning mechanism 3 are mounted on the mounting base 13. When the operator needs to move the detection probe 2 to the electrical equipment to be tested, the operator can first move the base 11 to the front of the electrical equipment to be tested, and then control the first linear drive 12 to drive the mounting base 13 horizontally away from the base 11 until the detection probe 2 comes into contact with the detection surface of the electrical equipment to be tested.

[0035] Furthermore, refer to Figure 2 and Figure 3 The cleaning mechanism 3 includes a movable cover 31 rotatably connected to one side of the mounting base 13, a cleaning component 32 provided on the movable cover 31 for cleaning the testing surface of the electrical equipment to be tested in conjunction with the movable cover 31, and a drive assembly 33 provided on the mounting base 13 for driving the movable cover 31 to rotate.

[0036] The movable cover 31 is an arc-shaped cover with the arc surface facing inward. The movable cover 31 is located outside the mounting base 13, and a connecting rod 34 is fixedly connected to the side of the movable cover 31 near the mounting base 13. The end of the connecting rod 34 away from the movable cover 31 is provided with teeth. The drive assembly 33 cooperates with the connecting rod 34, and the drive assembly 33 includes a first gear 331 rotatably mounted on the mounting base 13 and a drive component for driving the first gear 331 to rotate. The rotation axis of the first gear 331 is perpendicular to the upper surface of the mounting base 13, and the first gear 331 meshes with the teeth at the end of the connecting rod 34.

[0037] Reference Figure 2 and Figure 3 The driving component includes a driving toothed plate 332 slidably connected above the mounting base 13 and a second linear drive member 333 for driving the second toothed plate to perform linear motion.

[0038] The drive gear plate 332 is arranged horizontally, and the length direction of the drive gear plate 332 and the output direction of the second linear drive member 333 are both parallel to the first linear drive member 12. The drive gear plate 332 has its teeth on both sides of the long side in the horizontal direction. The first gear 331 is located outside the drive gear plate 332 and meshes with the drive gear plate 332.

[0039] When the movable cover 31 is at its starting point of rotation, the surface of the movable cover 31 away from the base 11 is coplanar with the detection surface of the detection probe 2, and the drive tooth plate 332 is also located at its initial position. The drive tooth plate 332 is located on the side of the mounting base 13 close to the base 11. When the movable cover 31 is at its ending point of rotation, the movable cover 31 is located in front of the detection probe 2, and the projection of the movable cover 31 in the horizontal direction covers the detection probe 2.

[0040] In this embodiment, the movable cover 31 and the first gear 331 are provided in two sets, and the two sets of movable covers 31 and the first gear 331 are respectively located on the horizontal sides of the mounting base 13 along the output direction of the first linear drive member 12, and the two first gears 331 are respectively meshed on both sides of the drive gear plate 332.

[0041] Reference Figure 2 and Figure 3The detection probe 2 is fixedly installed on the middle part of the side of the mounting base 13 away from the base 11. The second linear drive 333 drives the drive tooth plate 332 to move linearly closer to the detection probe 2, which can correspondingly drive the two sets of moving covers 31 to rotate synchronously to the end point of the rotation of the two sets of moving covers 31. When the two sets of moving covers 31 rotate to their end point, the surfaces of the two sets of moving covers 31 that are close to each other abut against each other, and the two sets of moving covers 31 together cover the surface of the detection probe 2, thereby covering and protecting the detection probe 2, effectively preventing the detection probe 2 from colliding with external debris, and to a certain extent acting as a protective barrier to reduce the amount of dust that escapes and approaches the surface of the detection probe 2.

[0042] When the two sets of movable covers 31 rotate to the starting point of rotation of the movable cover 31, the detection surface of the detection probe 2 is adapted to fit with the surface of the electrical equipment to be tested, and the side of the movable cover 31 is also adapted to fit with the surface of the electrical equipment to be tested, thereby effectively supporting the detection probe 2, expanding the support area of ​​the base 11 for the detection probe 2, so that the detection probe 2 can more stably detect the electrical equipment to be tested.

[0043] Furthermore, multiple flexible paddles 311 are protruding and fixedly installed on the side of the movable cover 31 away from the mounting base 13. Both the flexible paddles 311 and the cleaning element 32 are flexible elements. The cleaning element 32 is also located on the side of the movable cover 31 away from the mounting base 13, and the cleaning element 32 is hinged to the movable cover 31. The rotation axis of the cleaning element 32 is parallel to the rotation axis of the movable cover 31. The movable cover 31 is equipped with a conversion component 35 for driving the cleaning element 32 to rotate with the movable cover 31 when the movable cover 31 rotates. The side of the flexible paddles 311 away from the movable cover 31 and the side of the cleaning element 32 away from the movable cover 31 are both suitable for moving and contacting the surface of the electrical equipment to be tested.

[0044] The conversion component 35 includes a limiting frame 351, a limiting rod 352, and a hinge rod 353. The limiting frame 351 is an arc-shaped triangular support formed by connecting an arc-shaped rod and two straight rods end to end. The side of the limiting frame 351 away from the teeth of the connecting rod 34 is its arc-shaped part. One corner of the limiting frame 351 away from its arc-shaped part is coaxially fixed to the upper end of the rotation shaft of the connecting rod 34. The rotation shaft of the connecting rod 34 is fixedly connected to the mounting base 13, and the connecting rod 34 is rotatably connected to its rotation shaft. Multiple sets of cleaning components 32 are provided. The number of limiting rods 352, hinge rods 353, and cleaning components 32 are all the same. The number of limiting rods 352 is the same as the number of cleaning components 32. The limiting rods 352, cleaning components 32, and hinge rods 353 correspond one-to-one. Multiple cleaning components 32 are evenly spaced above the moving cover 31 around the arc surface of the moving cover 31.

[0045] Reference Figure 2 and Figure 3The hinge rod 353 is adapted to the cleaning component 32, and the middle part of the hinge rod 353 is hinged above the moving cover 31. The hinge axis of the hinge rod 353 is a vertical axis and is perpendicular to the moving cover 31. One end of the limiting rod 352 is hinged to the arc-shaped part of the limiting frame 351, and the other end is provided with an oval limiting hole. The end of the hinge rod 353 away from the cleaning component 32 has a protruding limiting block, which is slidably connected in the limiting hole.

[0046] When the first gear 331 drives the connecting rod 34 to rotate toward the side closer to the detection probe 2, the limiting frame 351 remains stationary relative to the mounting base 13. The connecting rod 34 drives the moving cover 31 to move closer to the detection probe 2. The limiting frame 351 can correspondingly pull the limiting rod 352, causing the limiting rod 352 to pull the hinge rod 353 to move in the opposite direction to the movement direction of the moving cover 31. This allows the cleaning component 32 to swing on the moving cover 31. Thus, when the moving cover 31 rotates, the cleaning component 32 can rotate with the moving cover 31, effectively expanding the sweeping range of the moving cover 31 and the cleaning component 32 on the surface dust of the power equipment to be tested. This is beneficial for the cleaning mechanism to more effectively and powerfully clean the surface dust of the power equipment to be tested.

[0047] Correspondingly, multiple sets of flexible levers 311 are evenly arranged along the arc surface of the movable cover 31. An air intake hole 312 is also provided on the side of the movable cover 31 away from the mounting base 13 and between two adjacent flexible levers 311. An air intake pipe 313 is connected to the air intake hole 312. The end of the air intake pipe 313 away from the air intake hole 312 is connected to a suction component for sucking in external air. The suction component is fixedly installed on the mounting base 13.

[0048] Reference Figure 2 and Figure 3 During the rotation of the movable cover 31 from its rotation end point to its rotation start point, the suction component is activated and the suction component is controlled accordingly to suck air from the suction pipe 313. After the movable cover 31 and the cleaning component 32 sweep away the dust on the surface of the electrical equipment to be tested, the dust dispersed on the surface of the electrical equipment to be tested is sucked up, thereby effectively improving the dust adhesion phenomenon on the surface of the detection probe 2.

[0049] Furthermore, a suction cup 131 is fixedly installed on the mounting base 13 for adsorbing and fixing the surface of the electrical equipment to be tested when the mounting base 13 moves to the working position. The suction cup 131 is slidably connected to the mounting base 13, and the sliding direction of the suction cup 131 is parallel to the output direction of the first linear drive member 12. A moving component 14 for driving the suction cup 131 to move linearly back and forth is fixedly installed on the mounting base 13.

[0050] The moving component 14 specifically includes a second gear 141 rotatably connected to the mounting base 13 and a drive rack 142 slidably connected to the mounting base 13. The drive rack 142 meshes with the second gear 141, and the length direction and sliding direction of the drive rack 142 are parallel to the output direction of the first linear drive member 12. The second gear 141 is coaxially fixedly connected to the rotating shaft of the first gear 331.

[0051] Reference Figure 3 and Figure 4 A movable block 132 is slidably connected to the mounting base 13 for the suction cup 131 to be slidably connected to the mounting base 13. The movable block 132 is fixedly installed on the drive rack 142, and a negative pressure hole 133 is provided on the movable block 132. The negative pressure hole 133 and the suction cup 131 are both located on the side of the movable block 132 closer to the electrical equipment to be tested, and the negative pressure hole 133 is located in the middle of the suction cup 131. The negative pressure hole 133 is connected to the suction end of the suction component. In this embodiment, the suction cup 131, the negative pressure hole 133 and the movable component 14 are all provided in two sets. The two sets of suction cup 131, negative pressure hole 133 and movable component 14 are respectively located on both sides of the detection probe 2. The two sets of suction cup 131 and negative pressure hole 133 can cooperate with the suction component to create a negative pressure environment on both sides of the detection probe 2.

[0052] During the process of the operator driving the first gear 331 to rotate using the drive component, the second gear 141 can be driven to rotate synchronously. Thus, when the operator controls the moving cover 31 and the cleaning component 32 to move away from the detection probe 2, the first gear 331 drives the suction cup 131 to approach the electrical equipment to be tested, thereby fixing the detection probe 2 to the surface of the electrical equipment to be tested, which facilitates stable detection by the detection probe 2. Furthermore, through the cooperation of the suction cup 131 and the negative pressure hole 133, the detection probe 2 and the surface of the electrical equipment to be tested can be adsorbed and fixed when the mounting base 13 moves to the working position, thereby enabling the detection probe 2 to perform ultra-high frequency detection and ultrasonic detection on the component to be tested more stably, thereby improving the accuracy of partial discharge detection by the detection probe 2.

[0053] Reference Figure 1 and Figure 2 This application also discloses an inspection device, including the image acquisition device as described above, a hanging rail 4 suspended above the electrical equipment to be inspected, a slide block 5 slidably connected to the hanging rail 4, and a lifting platform 6 and a lifting assembly 7 fixedly connected to the slide block 5 for fixing the pan-tilt unit 1 and driving the pan-tilt unit 1 to move up and down in the vertical direction. The base 11 is fixedly installed on the lifting platform 6. In other application embodiments, the pan-tilt unit 1 and the base 11 in the pan-tilt unit 1 may also be designed to be rotatably installed on the lifting platform 6.

[0054] The combination of the hanging rail 4 and the slide 5 allows the image acquisition device to be moved to the area to be inspected, thereby enabling partial discharge detection of multiple power devices in a certain area. This facilitates timely maintenance of the power devices in the relevant area by the operators, ensuring the normal operation of the power devices.

[0055] The implementation principle of the image acquisition device and inspection equipment in this application embodiment is as follows: by using the pan-tilt unit 1, the image acquisition mechanism and the cleaning mechanism in combination, the detection probe 2 can be driven to move relatively stably in a straight line closer to / away from the power equipment to be tested, and the surface of the power equipment to be tested can be effectively cleaned and the dust can be sucked up and cleaned. This effectively reduces the impact of dust accumulation on the surface of the power equipment to be tested on the detection accuracy of the detection probe 2, effectively reduces the measurement deviation of the image acquisition device, and makes it easier for operators to accurately detect partial discharge of multiple power equipment.

[0056] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An image acquisition device, characterized in that: The device includes a pan-tilt unit (1) and an image acquisition mechanism. The image acquisition mechanism includes a detection probe (2) and an image acquisition module and an image display module electrically connected to the information output terminal of the detection probe (2). The detection probe (2) is mounted on the pan-tilt unit (1). The pan-tilt unit (1) is used to support the detection probe (2). The pan-tilt unit (1) includes a horizontally arranged base (11) and a linear drive assembly mounted on the base (11) for mounting the detection probe (2) and driving the detection probe (2) close to the surface of the electrical equipment to be tested. The base (11) is also equipped with a cleaning mechanism (3) for cleaning the surface of the electrical equipment to be tested and cleaning up the dust when the detection probe (2) is close to the surface of the electrical equipment to be tested. The linear drive assembly includes a first linear drive member (12) and a mounting base (13). The first linear drive member (12) is fixedly installed on one side of the base (11) and is used to drive the mounting base (13) to move horizontally closer to / away from the base (11). The detection probe (2) and the cleaning mechanism (3) are both installed on the mounting base (13). The cleaning mechanism (3) includes a movable cover (31) rotatably connected to one side of the mounting base (13), a cleaning member (32) provided on the movable cover (31), and a drive assembly (33) for driving the movable cover (31) to rotate. The cleaning member (32) is located on the side of the movable cover (31) away from the mounting base (13), and the side of the cleaning member (32) away from the movable cover (31) is adapted to move and contact the surface of the electrical equipment to be tested. The drive assembly (33) includes a first gear (331) rotatably mounted on the mounting base (13) and a drive component for driving the first gear (331) to rotate. A connecting rod (34) is fixedly connected to the movable cover (31). The end of the connecting rod (34) away from the movable cover (31) is provided with teeth suitable for meshing with the first gear (331). The movable cover (31) moves closer to / away from the front of the detection probe (2). The axial direction of the first gear (331) is perpendicular to the output direction of the first linear drive (12). The movable cover (31) and the first gear (331) are provided in two sets, and the two sets of movable covers (31) and the first gear (331) are respectively located on both sides of the mounting base (13). The driving component is used to drive the two sets of first gears (331) to rotate synchronously. When the two sets of movable covers (31) rotate to the end point of the rotation of the movable cover (31), the two sets of movable covers (31) together cover the surface of the detection probe (2). When the two sets of movable covers (31) rotate to the starting point of the rotation of the movable cover (31), the side surfaces of the two sets of movable covers (31) that are close to each other are coplanar with the detection surface of the detection probe (2). The driving component includes a driving toothed plate (332) slidably connected above the mounting base (13) and a second linear drive (333) for driving the second toothed plate to perform linear motion. The first gear (331) is located outside the drive gear plate (332) and meshes with the drive gear plate (332); When the movable cover (31) is at its starting point of rotation, the side surface of the movable cover (31) away from the base (11) and the detection surface of the detection probe (2) are coplanar, and the drive tooth plate (332) is also located at its initial position. The drive tooth plate (332) is located on the side of the mounting base (13) close to the base (11). When the movable cover (31) is at its ending point of rotation, the movable cover (31) is located in front of the detection probe (2), and the projection of the movable cover (31) in the horizontal direction covers the detection probe (2).

2. The image acquisition device according to claim 1, characterized in that: The movable cover (31) has an air intake hole (312) on the side away from the mounting base (13). An air intake pipe (313) is connected to the air intake hole (312). The end of the air intake pipe (313) away from the air intake hole (312) is connected to a suction component for drawing in external air. The suction component is fixedly installed on the mounting base (13).

3. The image acquisition device according to claim 1, characterized in that: The cleaning component (32) is hinged to the movable cover (31), the rotation axis of the cleaning component (32) is parallel to the rotation axis of the movable cover (31), and the movable cover (31) is equipped with a conversion component (35) for driving the cleaning component (32) to rotate with the movable cover (31) when the movable cover (31) rotates.

4. The image acquisition device according to claim 2, characterized in that: The mounting base (13) is also fixedly mounted with a suction cup (131) for adsorbing and fixing the surface of the electrical equipment to be tested when the mounting base (13) moves to the working position. The suction cup (131) is slidably connected to the mounting base (13), and the sliding direction of the suction cup (131) is parallel to the output direction of the first linear drive (12). The mounting base (13) is fixedly mounted with a moving component (14) for driving the suction cup (131) to move linearly back and forth.

5. The image acquisition device according to claim 4, characterized in that: The moving component (14) includes a second gear (141) rotatably connected to the mounting base (13) and a drive rack (142) slidably connected to the mounting base (13). The drive rack (142) meshes with the second gear (141), and the length direction and sliding direction of the drive rack (142) are parallel to the output direction of the first linear drive (12). The second gear (141) is coaxially fixedly connected to the rotating shaft of the first gear (331).

6. The image acquisition device according to claim 4, characterized in that: The mounting base (13) is slidably connected to a movable block (132) for the suction cup (131) to be slidably connected to the mounting base (13). The movable block (132) is provided with a negative pressure hole (133). The negative pressure hole (133) and the suction cup (131) are both located on the side of the movable block (132) closer to the electrical equipment to be tested, and the negative pressure hole (133) is connected to the suction end of the suction component.

7. An inspection device, comprising the image acquisition device as described in any one of claims 1-6, characterized in that: It also includes a hanging rail (4) suspended above the electrical equipment to be tested, a slide (5) slidably connected to the hanging rail (4), and a lifting platform (6) and lifting assembly (7) fixedly connected to the slide (5) for fixing the gimbal (1) and driving the gimbal (1) to move up and down in the vertical direction. The base (11) is installed on the lifting platform (6).

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