Wire surface wettability and morphology detection device and method

Abstract

The invention relates to the field of wire detection, in particular to a wire surface wettability and morphology detection device and method, and the device comprises a first measurement assembly which comprises a first camera, a control part connected with the first camera, and a first nozzle for spraying water to a wire; wherein the control piece can drive the first camera to circumferentially move around the wire; the second measuring assembly comprises a water drop generator and a second camera used for shooting and recording the motion state of water drops in the water drop generator in the process of dripping on the surface of the wire and rebounding, the detection device is arranged, and after the detection device is installed, the wettability of the surface of the wire is judged by spraying water to the surface of the wire. The first camera observes the surface appearance of the wire, the second camera records the water drop bouncing height, and finally, the wetting characteristic and the surface appearance are integrated, so that a worker can quickly judge the state of the wire.

Description

Technical Field

[0001] This invention relates to the field of conductor testing, and in particular to a device and method for testing the surface wettability and morphology of conductors. Background Technology

[0002] The heat dissipation performance of aluminum power transmission conductors is a key performance indicator that determines the transmission capacity of the conductors. Currently, many experts and scholars are engaged in the research of efficient heat dissipation technology for conductors, and anodizing technology is one of them.

[0003] In the preparation of anodized wires, the wires need to be placed in an acid solution and an electric current is passed through them. The electrochemical reaction causes a nanoporous structure to form on the surface of the wires, increasing the surface area. Then, a low surface energy material is modified on the surface. The combined effect of these two factors achieves efficient heat dissipation, which has yielded significant results.

[0004] However, heat dissipation wires operate outdoors year-round in harsh environmental conditions, and their surfaces are subject to damage from various environmental factors such as sand, salt spray, and acid rain. These factors damage the nanoporous structure and low surface energy materials on the surface, severely reducing the heat dissipation performance of the wires. In addition, the damage caused by these factors also reduces the corona initiation voltage of the wires, causing further damage to the wire surface. Therefore, after anodized heat dissipation wires are put into operation, the assessment of their surface performance becomes very important, as it determines whether the circuit can continue to be used.

[0005] Based on this, we propose a device and method for detecting the surface wettability and morphology of conductors. Summary of the Invention

[0006] Therefore, the technical problem to be solved by the present invention is to detect and record the wetting characteristics and surface morphology of the conductor in order to quickly determine the state of the conductor.

[0007] The above-mentioned technical problems are solved by the following technical solution: The present invention proposes a device for detecting the wettability and morphology of a conductor surface, comprising: a first measuring component, including a first camera, a control component connected to the first camera, and a first nozzle for spraying water onto the conductor; wherein the control component is capable of driving the first camera to move circumferentially around the conductor; and a second measuring component, including a water droplet generator and a second camera for capturing and recording the motion state of water droplets falling onto the conductor surface and bouncing off the conductor surface.

[0008] In a preferred embodiment of the conductor surface wettability and morphology detection device of the present invention: the conductor surface wettability and morphology detection device further includes an installation component, the installation component including a connecting ring sleeved on the outside of the conductor; the connecting ring is divided into two parts and connected by a buckle; clamping members are provided on both sides of the connecting ring.

[0009] In a preferred embodiment of the conductor surface wettability and morphology detection device of the present invention: the clamping member includes a first clamping plate and a second clamping plate for clamping the conductor, and a first connecting rod is provided on both the first clamping plate and the second clamping plate.

[0010] In a preferred embodiment of the wire surface wettability and morphology detection device of the present invention: a second connecting rod is movably connected to one end of the first connecting rod away from the first clamping plate and the second clamping plate, and the other end of the second connecting rod away from the first connecting rod is connected to the connecting ring.

[0011] In a preferred embodiment of the wire surface wettability and morphology detection device of the present invention: a limiting groove is formed on the outer wall of the connecting ring, the control component includes a movable carrier that movably cooperates with the limiting groove, the movable carrier is provided with limiting wheels, and the movable carrier is connected to the first camera.

[0012] In a preferred embodiment of the wire surface wettability and morphology detection device of the present invention: the droplet generator includes a second nozzle connected to the first nozzle through a water inlet, a contact plate is provided at the opposite position of the water outlet end of the second nozzle, and a motor is connected to the outer wall of the contact plate.

[0013] In a preferred embodiment of the wire surface wettability and morphology detection device of the present invention: a grid-shaped scale is provided between the water droplet generator and the second camera.

[0014] In a preferred embodiment of the conductor surface wettability and morphology detection device of the present invention: a support wheel is provided on the inner wall of the first clamping plate and the second clamping plate located on one side of the connecting ring, and a driving device for moving the conductor surface wettability and morphology detection device is provided on the first clamping plate and the second clamping plate located on the other side of the connecting ring.

[0015] The above-mentioned technical problems are solved by the following technical solution: This invention proposes a method for detecting the surface wettability and morphology of a conductor, which includes a device for detecting the surface wettability and morphology of a conductor; and, A device for detecting the wettability and morphology of a conductor surface is installed on the outer wall of the conductor. A first camera is driven by a control unit to capture images of different points along the circumference of the conductor and record the surface morphology of the conductor. A first nozzle is opened to spray water droplets onto the surface of the conductor, and the state of the remaining water droplets on the conductor surface is captured and recorded by the first camera. Water is dripped onto the surface of the conductor through a water droplet generator, and the motion characteristics of the water droplets falling onto the conductor surface and bouncing are recorded by a second camera. A grid scale is used to quantify the bounce height of the water droplets. A pre-designed sub-standard is used to evaluate the wettability and morphology of the conductor surface based on the recorded data.

[0016] In a preferred embodiment of the wire surface wettability and morphology detection method of the present invention: the surface condition of the wire is comprehensively evaluated by a scoring method, and the performance of the wire is judged based on the score.

[0017] The beneficial effects of this invention are as follows: by opening the first camera to magnify the image and record the surface morphology of the conductor, after recording one point, the camera is rotated to the next point using the control component until the conductor can be detected in the circumferential direction. Then, the first nozzle is opened to spray water droplets onto the surface of the conductor. The state of the remaining water droplets on the conductor surface is recorded by the first camera. Water is dripped onto the surface of the conductor by a water droplet generator. The bouncing state of the water droplets is recorded by the second camera and the grid ruler. In this way, the wettability and morphology of the conductor surface can be detected. Then, the surface condition of the conductor is evaluated by a scoring method. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments of the present invention will be briefly described below. Obviously, the drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention. Wherein: Figure 1 A schematic diagram of the overall structure of the device for detecting the wettability and morphology of conductor surfaces is shown. Figure 2 A schematic diagram of the connection structure between the connecting ring and the clamping member is shown; Figure 3 A side view of the connection structure of the conductor surface wettability and morphology detection device is shown; Figure 4 A schematic diagram of the support wheel connection structure is shown; Figure 5 A schematic diagram of the connection structure between the control unit and the first camera is shown; Figure 6 A schematic diagram of the water droplet generator connection structure is shown; Figure 7 A schematic diagram of the grid scale connection structure is shown. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0020] The terminology used in this invention is that which is currently widely used in the art in consideration of the function of the invention; however, these terms may vary according to the intent of those skilled in the art, precedent, or new technology in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of the invention. Therefore, the terms used in this specification should not be construed as simple names, but rather based on their meanings and the overall description of the invention.

[0021] Reference Figure 1 This embodiment provides a device for detecting the wettability and morphology of a conductor surface, including a first measuring component 1, comprising a first camera 11, a control component 12 connected to the first camera 11, and a first nozzle 13 for spraying water onto the conductor; wherein, the first camera 11 can be installed on the outer wall of the connecting ring 31, preferably placed at the top, and sprays water downwards; the control component 12 can drive the first camera 11 to move circumferentially around the conductor; and a second measuring component 2, comprising a water droplet generator 21 and a second camera 22 for capturing and recording the motion state of water droplets falling onto the conductor surface and bouncing during the process.

[0022] The first camera 11 is preferably a magnifying camera to magnify the image and record the surface morphology of the wire; the second camera 22 is preferably a high-speed camera to record the bouncing height of the water droplet.

[0023] In one embodiment provided in this application, the wire surface wettability and morphology detection device further includes a mounting component 3, which includes a connecting ring 31 sleeved on the outside of the wire; the connecting ring 31 is divided into two parts and connected by a buckle 311; clamping members 32 are provided on both sides of the connecting ring 31.

[0024] like Figure 3 As shown, by setting the buckle 311, since the wire is hung on the power grid, when actually installing the detection device, the connecting ring 31 is first split into two, and then connected by the buckle 311, so that it can be installed from both sides.

[0025] In one embodiment provided in this application, the clamping member 32 includes a first clamping plate 321 and a second clamping plate 322 for clamping the wire. The inner surfaces of the first clamping plate 321 and the second clamping plate 322 are preferably arc-shaped to fit the wire. A first connecting rod 3211 is provided on both the first clamping plate 321 and the second clamping plate 322.

[0026] In one embodiment provided in this application, a second link 3212 is movably connected to one end of the first link 3211 away from the first clamping plate 321 and the second clamping plate 322, and the other end of the second link 3212 away from the first link 3211 is connected to the connecting ring 31.

[0027] The connection method between the first link 3211 and the second link 3212 is as follows: Figure 1 As shown, there is a "knob" connection point between the two. The first link 3211 can rotate relative to the second link 3212. After rotating to a suitable angle, the clamping member 32 clamps the wire, and then the angle is fixed through the "knob" connection point. This movable connection method is common in the prior art, such as using a hinge with a self-locking nut for locking, using a ball joint with a locking nut or locking ring to fix the ball head in the ball socket by tightening the nut or ring, or using a universal joint with a built-in self-locking nut or buckle to lock the angle of the joint, etc. Replacements of these conventional connection methods should be included in the scope of protection of this application; furthermore, combined with Figure 1 and Figure 3 As shown, the clamping member 32 is divided into a first clamping plate 321 and a second clamping plate 322, which clamp and fix the wire from both sides to facilitate the installation of the detection device on the wire.

[0028] In one embodiment provided in this application, a limiting groove 312 is formed on the outer wall of the connecting ring 31. The limiting groove 312 is annular. The control component 12 includes a movable carrier 121 that movably engages with the limiting groove 312. The movable carrier 121 is provided with a limiting wheel 1211. The movable carrier 121 is connected to the first camera 11.

[0029] Among them, such as Figure 5 As shown, the limiting groove 312 is used to limit the movement trajectory of the mobile carrier 121. The mobile carrier 121 passes through the limiting groove 312 and is connected to the first camera 11. The limiting wheels 1211 are arranged on both sides of the limiting groove 312, preferably four in number. The limiting wheels 1211 drive the mobile carrier 121 to move.

[0030] It should be further explained that the mobile carrier 121 can perform circular trajectory movement, thereby driving the first camera 11 connected to it to perform circumferential movement, so as to capture the surface morphology of different points in the circumferential direction of the conductor for subsequent observation, recording and judgment. The mobile carrier 121 combined with the limiting wheel 1211 can be regarded as a mobile cart. The way to realize the circular trajectory movement of the mobile carrier 121 is not limited to the conventional built-in motor, PID-based control drive, using the PID controller to adjust the motor speed to make the cart move along the circumferential path, or the installation of sensors to monitor the position and speed of the cart in real time and adjust the control commands to achieve circular movement, or the use of traditional mechanical structure to control its circular movement, etc. All of the above methods are existing technologies and will not be elaborated in detail in this case. Of course, in this application, the built-in motor intelligent control method is preferred.

[0031] In one embodiment provided in this application, the water droplet generator 21 includes a second nozzle 211 connected to the first nozzle 13 via a water inlet 2111. A contact piece 212 is provided at a position opposite to the water outlet end of the second nozzle 211, and a motor 213 is connected to the outer wall of the contact piece 212. Figure 6 As shown, water replenishment is achieved by setting a water inlet 2111 on the outer wall of the second nozzle 211, which is connected to the first nozzle 13. Water droplets are stored in the nozzle 22. The output end of the motor 213 is connected to the contact plate 212. When the water droplet generator 21 is working, the motor 213 is powered to make it move axially (the movement stroke and speed can be designed according to requirements). The motor 213 is a linear motor. Pressing the contact plate 212 squeezes the water stored in the second nozzle 211, causing it to spray water droplets from the nozzle. The nozzle can be treated with superhydrophobicity to make the internal water droplets easier to detach.

[0032] When the second camera 22 is triggered to work, the motor 213 can be triggered to work after a certain period of time (such as 3 seconds), and then the water droplet bouncing height recording will begin.

[0033] In one embodiment provided in this application, a grid-shaped scale 23 is provided between the water droplet generator 21 and the second camera 22, as shown in Figure 1. The grid-shaped scale 23 and the second camera 22 can be installed on the second connecting rod 3212. When actually installing the detection device, the water droplet generator 21 needs to be located at the top of the wire and drip water downwards.

[0034] Among them, such as Figure 7 As shown, the grid-shaped ruler 23 has fences at fixed intervals. The second camera 22 records the water droplet bouncing through the grid-shaped ruler 23, thereby quantifying the water droplet bouncing height.

[0035] Furthermore, in this application, the first nozzle 13, the first camera 11, and the water droplet generator 21 can all be installed and replaced using fixing bolts to accommodate heat dissipation wires of different specifications.

[0036] In one embodiment provided in this application, such as Figure 4 As shown, the inner walls of the first clamping plate 321 and the second clamping plate 322 located on one side of the connecting ring 31 are movably provided with support wheels 323. The support wheels 323 have no driving function and only support the wires. They will not affect the movement of the overall detection device. The surface of the wheels is specially treated (such as spraying a rubber coating) to provide greater adhesion to the surface of the wires while protecting the surface of the wires.

[0037] In one embodiment provided in this application, a drive device for moving the wire surface wettability and morphology detection device is provided on the first clamping plate 321 and the second clamping plate 322 located on the other side of the connecting ring 31.

[0038] The clamping member 32 located on one side of the connecting ring 31, that is, the clamping member 32 equipped with the support wheel 323, is preferably located at the rear end of the overall detection device, i.e., as shown in the figure. Figure 1 The position shown is on the right side; while the clamping member 32 located on the other side of the connecting ring 31, that is, the clamping member 32 equipped with the driving device, is preferably located at the front end of the overall detection device, that is, as shown. Figure 1 The position shown is on the left.

[0039] Furthermore, the drive device mainly enables the overall detection device to move, thereby detecting different positions of the wire. The drive device includes drive wheels, which can be controlled by a motor. The drive wheels can be made of rubber track wheels. After special treatment (such as spraying a rubber coating), the surface of the track can provide greater adhesion to the surface of the wire while also protecting the surface of the wire.

[0040] When the first link 3211 is rotated to install the clamping member 32, the drive wheel on the drive device will be pressed against the surface of the wire. When the drive wheel is running, the detection device can be driven to move on the wire.

[0041] In one embodiment provided in this application, the wire surface wettability and morphology detection device is connected to a power supply line 4, such as... Figure 1 As shown, the power supply circuit 4 is divided into two paths through the first junction box 41. One path supplies power to the drive device, and the other path supplies power to the control unit 12. The first connecting rod 3211 is equipped with a cable tie 42, which is used to automatically bind the power supply line of the control unit 12, the camera transmission line of the first camera 11, and the water supply line of the first nozzle 13 in the cable tie box, so as to realize automatic cable winding and prevent the cable from getting tangled due to the movement of the control unit 12. The second connecting rod 3212 is equipped with a second junction box 43. The power supply line 4 also supplies power to the motor 213 on the water droplet generator 21 and the second camera 22 through the second junction box and 43.

[0042] It should be further noted that the overall testing device needs to be designed to be lightweight. For non-standard devices, aluminum alloy can be used as much as possible for metal materials, and plastic or glass can be used for non-metallic materials.

[0043] Reference Figures 1-7 This embodiment provides a method for detecting the surface wettability and morphology of a conductor, including the following steps Z1~Z5: Z1: Install the conductor surface wettability and morphology detection device on the outer wall of the conductor; Z2: Drive the first camera 11 through the control unit 12 to capture images of different points along the circumferential position of the conductor and record the surface morphology of the conductor; Z3: Open the first nozzle 13 and spray water droplets onto the surface of the wire. The first camera 11 captures and records the state of the remaining water droplets on the surface of the wire. Z4: Water is dripped onto the surface of the wire by the water droplet generator 21, and the motion characteristics of the water droplets falling onto the surface of the wire and bouncing are recorded by the second camera 22. The grating scale 23 is used to compare and quantify the bouncing height of the water droplets. Z5: Pre-design sub-standard, which evaluates the wettability and morphology of the conductor surface based on recorded data.

[0044] In one embodiment provided in this application, the surface condition of the conductor is comprehensively evaluated by a scoring method, and the performance of the conductor is judged based on the score.

[0045] Specifically, the scoring criteria corresponding to each data point recorded during filming are shown in Table 1: Table 1 Scoring Criteria for Conductor Surface Wettability and Morphology

[0046] Based on the above table, the performance of the heat dissipation wires after surface wetting test and morphological observation is comprehensively evaluated and a total score is calculated. The rating is based on Table 2 (which can be adjusted according to actual conditions): Table 2 Evaluation of Conductor Performance Grades

[0047] In summary, by performing steps Z1 to Z5 above, the wettability and morphology of the conductor surface can be detected. Then, the image data captured and recorded by the first camera 11 and the second camera 22 are further processed. The surface condition of the conductor is scored according to Table 1, and the total score is calculated. The operating status of the conductor is determined according to Table 2 to guide subsequent work. In addition, it should be mentioned that the contact part between the overall detection device and the conductor can also be specially designed to avoid friction damage to the conductor during movement.

[0048] Finally, it should be noted that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways as long as they do not depart from the scope of the present invention.

Claims

1. A device for detecting the surface wettability and morphology of a conductor, characterized in that: include, The first measuring component (1) includes a first camera (11), a control unit (12) connected to the first camera (11), and a first nozzle (13) for spraying water onto the conductor; wherein the control unit (12) is capable of driving the first camera (11) to move circumferentially around the conductor; and, The second measurement component (2) includes a water droplet generator (21) and a second camera (22) for capturing and recording the motion of water droplets falling onto the surface of the wire and bouncing off the water droplet generator (21).

2. The device for detecting the surface wettability and morphology of a conductor according to claim 1, characterized in that: The wire surface wettability and morphology detection device also includes an installation component (3), which includes a connecting ring (31) sleeved on the outside of the wire; the connecting ring (31) is divided into two parts and connected by a buckle (311); clamping parts (32) are provided on both sides of the connecting ring (31).

3. The device for detecting the surface wettability and morphology of a conductor according to claim 2, characterized in that: The clamping member (32) includes a first clamping plate (321) and a second clamping plate (322) for clamping the wire, and a first connecting rod (3211) is provided on both the first clamping plate (321) and the second clamping plate (322).

4. The device for detecting the surface wettability and morphology of a conductor according to claim 3, characterized in that: The first connecting rod (3211) is movably connected to the second connecting rod (3212) at the end away from the first clamping plate (321) and the second clamping plate (322), and the end of the second connecting rod (3212) away from the first connecting rod (3211) is connected to the connecting ring (31).

5. The device for detecting the surface wettability and morphology of a conductor according to claim 2 or 4, characterized in that: The outer wall of the connecting ring (31) has a limiting groove (312), and the control component (12) includes a movable carrier (121) that is movably engaged with the limiting groove (312). The movable carrier (121) is provided with a limiting wheel (1211), and the movable carrier (121) is connected to the first camera (11).

6. The device for detecting the surface wettability and morphology of a conductor according to any one of claims 1 to 4, characterized in that: The water droplet generator (21) includes a second nozzle (211) connected to the first nozzle (13) through a water inlet (2111). A contact piece (212) is provided at the relative position of the water outlet end of the second nozzle (211), and a motor (213) is connected to the outer wall of the contact piece (212).

7. The conductor surface wettability and morphology detection device according to claim 6, characterized in that: A grid-shaped scale (23) is provided between the water droplet generator (21) and the second camera (22).

8. The device for detecting the surface wettability and morphology of a conductor according to claim 3 or 4, characterized in that: Support wheels (323) are provided on the inner walls of the first clamping plate (321) and the second clamping plate (322) located on one side of the connecting ring (31), and a driving device for moving the wire surface wettability and morphology detection device is provided on the first clamping plate (321) and the second clamping plate (322) located on the other side of the connecting ring (31).

9. A method for detecting the surface wettability and morphology of a conductor, characterized in that: Includes the conductor surface wettability and morphology detection device according to any one of claims 1 to 8; and, The device for detecting the wettability and morphology of the conductor surface is installed on the outer wall of the conductor. The first camera (11) is driven by the control unit (12) to capture images of different points along the circumferential position of the conductor and record the surface morphology of the conductor; Open the first nozzle (13) and spray water droplets onto the surface of the wire. Use the first camera (11) to capture and record the state of the water droplets remaining on the surface of the wire. Water is dripped onto the surface of the wire by a water droplet generator (21), and the motion characteristics of the water droplets falling onto the surface of the wire and bouncing are recorded by a second camera (22). The height of the water droplet bounce is compared and quantified by a grid scale (23). Pre-designed sub-standards are used to evaluate the wettability and morphology of the conductor surface based on recorded data.

10. The method for detecting the surface wettability and morphology of a conductor according to claim 9, characterized in that: The surface condition of the conductor is comprehensively evaluated using a scoring method, and the performance of the conductor is judged based on the score.

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