A transformer oil level wireless testing device based on ultrasonic technology

Abstract

This utility model discloses a wireless transformer oil level testing device based on ultrasonic technology, including a mounting plate and an ultrasonic probe. A magnetic suction assembly is provided on the side of the mounting plate away from the ultrasonic probe. A bracket is fixedly connected to the outer wall of the mounting plate via a locking rod. The ultrasonic probe is fixedly connected to the bracket on the side away from the mounting plate. In this application, the mounting plate is fixed to a suitable position in the transformer oil tank using magnetic suction blocks. The bracket is snapped onto the protruding frame, thus achieving quick alignment between the bracket and the mounting plate. Tightening the locking rod secures the bracket, thereby installing the ultrasonic probe. Finally, tightening the protective cover completes the assembly of the wireless testing device. Subsequent disassembly and assembly of the ultrasonic probe and its connecting components can be achieved simply by separating the locking rod. By designing the magnetic suction structure and connecting components separately, both installation flexibility and ease of disassembly and assembly of the ultrasonic probe and its connecting components are maintained.

Description

Technical Field

[0001] This utility model relates to the technical field of transformer supporting equipment, and in particular to a wireless transformer oil level testing device based on ultrasonic technology. Background Technology

[0002] The wireless transformer oil level testing device based on ultrasonic technology is a device used to monitor the oil level in the transformer oil tank. It utilizes the propagation characteristics of ultrasonic waves to achieve non-contact measurement and transmits the measurement data to the receiving end via wireless communication.

[0003] Chinese Patent Publication No. CN112683368B, published on 20221202, discloses a transformer oil level measuring device, which is installed in conjunction with a transformer oil tank to detect the oil level in the tank. The device includes a mounting base, a leveling mechanism, an ultrasonic probe, an electronic display screen, and a control unit. The mounting base is fixedly installed at the bottom of the transformer oil tank. The ultrasonic probe and the leveling mechanism are installed together on the mounting base. The leveling mechanism adjusts the installation angle of the ultrasonic probe, and the ultrasonic probe detects the oil level in the transformer oil tank.

[0004] Existing wireless transformer oil level testing devices based on ultrasonic technology mostly use screws to push and pull magnetic blocks, and then fix the testing device by attracting the magnetic blocks to the transformer oil tank. In practice, overcoming the magnetic force of the magnetic blocks by pulling them longitudinally is inconvenient. Moreover, each time the device is disassembled or assembled, the magnetic blocks need to be pushed and pulled repeatedly, which is inconvenient in overall operation. Therefore, there is an urgent need to propose a corresponding wireless transformer oil level testing device based on ultrasonic technology to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a wireless transformer oil level testing device based on ultrasonic technology to solve the above-mentioned problems.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A wireless transformer oil level testing device based on ultrasonic technology includes a mounting plate and an ultrasonic probe. A magnetic suction component is provided on the side of the mounting plate away from the ultrasonic probe. A bracket is fixedly connected to the outer wall of the mounting plate by a locking rod. The ultrasonic probe is fixedly connected to the side of the bracket away from the mounting plate, and a protective cover is provided on the outer side of the ultrasonic probe that is detachably connected to the outer wall of the bracket.

[0008] Preferably, the support and the outer wall of the ultrasonic probe are respectively fixedly connected with a sleeve and an outer ball, and a positioning rod is screwed onto the inner wall of the sleeve, with the open end of the positioning rod abutting against the outer wall of the outer ball.

[0009] Preferably, a mounting bracket is fixedly connected to the outer wall of the sleeve, and the mounting bracket is fixedly connected to the outer wall of the support via a fixing rod.

[0010] Preferably, a protruding frame is fixedly connected to the outer wall of the mounting plate, and the protruding frame engages with the inner wall of the bracket.

[0011] Preferably, the magnetic attraction assembly includes multiple sets of magnetic blocks fixedly connected to the outer wall of the mounting plate, and the multiple sets of magnetic blocks are arranged in a rectangular pattern.

[0012] Preferably, a connecting ring is fixedly connected to the outer wall of the support, and the protective cover is screwed into the connecting ring.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0014] 1. In this application, after the mounting plate is fixed in a suitable position in the transformer oil tank by magnetic blocks, the bracket is attached to the convex frame to achieve quick alignment between the bracket and the mounting plate. The bracket can be fixed by screwing on the locking rod, thereby realizing the installation of the ultrasonic probe. Finally, the entire wireless testing device can be assembled by screwing on the protective cover. Subsequently, the ultrasonic probe and its connecting components can be disassembled and assembled by simply separating the locking rod. By designing the magnetic structure and connecting components separately, both the flexibility of installation can be maintained and the convenience of disassembling and assembling the ultrasonic probe and its connecting components can be guaranteed.

[0015] 2. In this application, the ultrasonic probe is moved so that the outer ball rolls on the inner wall of the socket until the ultrasonic probe reaches the appropriate orientation. Then, the positioning rod is rotated to engage with the inner wall of the socket until the open end of the positioning rod abuts against the outer wall of the outer ball. This achieves the attitude lock of the ultrasonic probe through friction, which improves the convenience of ultrasonic probe attitude adjustment and thus improves the ease of use of the wireless transformer oil level testing device based on ultrasonic technology. Attached Figure Description

[0016] Figure 1 A schematic diagram of the overall structure according to an embodiment of the present utility model is shown;

[0017] Figure 2 A schematic diagram of a connecting ring structure according to an embodiment of the present invention is shown;

[0018] Figure 3 A schematic diagram of a support structure according to an embodiment of the present invention is shown;

[0019] Figure 4 A schematic diagram of the outer sphere structure provided according to an embodiment of the present invention is shown.

[0020] Legend:

[0021] 1. Mounting plate; 2. Support; 3. Magnetic block; 4. Ultrasonic probe; 5. Protective cover; 6. Connecting ring; 7. Locking rod; 8. Mounting bracket; 9. Fixing rod; 10. Outer ball; 11. Sleeve; 12. Positioning rod; 13. Protruding frame. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] A wireless transformer oil level testing device based on ultrasonic technology includes a mounting plate 1 and an ultrasonic probe 4. A magnetic suction component is provided on the side of the mounting plate 1 away from the ultrasonic probe 4. A bracket 2 is fixedly connected to the outer wall of the mounting plate 1 by a locking rod 7. The ultrasonic probe 4 is fixedly connected to the side of the bracket 2 away from the mounting plate 1, and a protective cover 5 is provided on the outer side of the ultrasonic probe 4 that is detachably connected to the outer wall of the bracket 2.

[0025] After fixing the mounting plate 1 to a suitable position in the transformer tank using the magnetic block 3, the bracket 2 is snapped onto the protruding frame 13 to achieve quick alignment between the bracket 2 and the mounting plate 1. The bracket 2 can be fixed by screwing on the locking rod 7, thereby enabling the installation of the ultrasonic probe 4. Finally, the entire wireless testing device can be assembled by screwing on the protective cover 5. Subsequently, the ultrasonic probe 4 and its connecting components can be disassembled and assembled simply by separating the locking rod 7. By designing the magnetic structure and connecting components separately, the flexibility of installation can be maintained, while ensuring the ease of disassembly and assembly of the ultrasonic probe 4 and its connecting components.

[0026] The principle of the wireless transformer oil level testing device based on ultrasonic technology is that the ultrasonic probe 4 emits ultrasonic signals to the oil surface inside the transformer oil tank. The ultrasonic waves are reflected after encountering the oil surface, and the reflected waves are received by the ultrasonic sensor. Since the speed of ultrasonic waves in the air is known, the distance from the oil surface to the sensor can be calculated according to the formula by measuring the time from the emission to the reception of the ultrasonic waves, and thus the height of the transformer oil level can be obtained. This technology has been fully disclosed in the existing technology, and the specific testing process will not be described in detail here.

[0027] Specifically, such as Figure 2 and Figure 4As shown, a sleeve 11 and an outer ball 10 are fixedly connected to the outer wall of the support 2 and the ultrasonic probe 4, respectively. A positioning rod 12 is screwed onto the inner wall of the sleeve 11, and the open end of the positioning rod 12 abuts against the outer wall of the outer ball 10. When the ultrasonic probe 4 is moved, the outer ball 10 rolls on the inner wall of the sleeve 11 until the ultrasonic probe 4 reaches the appropriate orientation. Then, the positioning rod 12 is rotated to screw onto the inner wall of the sleeve 11 until the open end of the positioning rod 12 abuts against the outer wall of the outer ball 10. This achieves attitude locking of the ultrasonic probe 4 through friction, improving the convenience of attitude adjustment of the ultrasonic probe 4 and thus improving the ease of use of the wireless transformer oil level testing device based on ultrasonic technology. A mounting bracket 8 is fixedly connected to the outer wall of the sleeve 11, and the mounting bracket 8 is fixedly connected to the outer wall of the support 2 through a fixing rod 9, thereby further ensuring the convenience of independent assembly and disassembly of the ultrasonic probe 4.

[0028] Specifically, such as Figure 2 and Figure 3 As shown, a protruding frame 13 is fixedly connected to the outer wall of the mounting plate 1. The protruding frame 13 engages with the inner wall of the bracket 2, thereby facilitating quick alignment between the bracket 2 and the mounting plate 1. The magnetic suction assembly includes multiple sets of magnetic blocks 3 fixedly connected to the outer wall of the mounting plate 1, and the multiple sets of magnetic blocks 3 are arranged in a rectangular shape. The mounting plate 1 is fixed in a suitable position in the transformer tank by means of the magnetic blocks 3. A connecting ring 6 is fixedly connected to the outer wall of the bracket 2, and the protective cover 5 is screwed into the connecting ring 6 to achieve protection of the ultrasonic probe 4.

[0029] Working principle: After fixing the mounting plate 1 to a suitable position in the transformer oil tank using the magnetic block 3, the bracket 2 is snapped onto the convex frame 13, thus achieving quick alignment between the bracket 2 and the mounting plate 1. Tightening the locking rod 7 secures the bracket 2, thereby installing the ultrasonic probe 4. Finally, tightening the protective cover 5 completes the overall assembly of the wireless testing device. Subsequent disassembly and assembly of the ultrasonic probe 4 and its connecting components can be achieved simply by separating the locking rod 7. By separating the magnetic structure and connecting components, both installation flexibility and ease of disassembly and assembly of the ultrasonic probe 4 and its connecting components are maintained. Moving the ultrasonic probe 4 causes the outer ball 10 to roll on the inner wall of the sleeve 11 until the ultrasonic probe 4 reaches the appropriate orientation. Then, rotating the positioning rod 12 causes it to engage with the inner wall of the sleeve 11 until the open end of the positioning rod 12 abuts against the outer wall of the outer ball 10. This friction locks the ultrasonic probe 4, improving the ease of adjusting its orientation and thus enhancing the usability of the ultrasonic-based wireless transformer oil level testing device.

[0030] The above description of the embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wireless transformer oil level testing device based on ultrasonic technology, comprising a mounting plate (1) and an ultrasonic probe (4), characterized in that, A magnetic suction assembly is provided on the side of the mounting plate (1) away from the ultrasonic probe (4). The outer wall of the mounting plate (1) is fixedly connected to a support (2) by a locking rod (7). The ultrasonic probe (4) is fixedly connected to the side of the support (2) away from the mounting plate (1). A protective cover (5) is provided on the outer side of the ultrasonic probe (4) and is detachably connected to the outer wall of the support (2).

2. The wireless transformer oil level testing device based on ultrasonic technology according to claim 1, characterized in that, The support (2) and the outer wall of the ultrasonic probe (4) are respectively fixedly connected to the sleeve (11) and the outer ball (10). The inner wall of the sleeve (11) is screwed with a positioning rod (12), and the open end of the positioning rod (12) abuts against the outer wall of the outer ball (10).

3. The wireless transformer oil level testing device based on ultrasonic technology according to claim 2, characterized in that, The outer wall of the sleeve (11) is fixedly connected to the mounting bracket (8), and the mounting bracket (8) is fixedly connected to the outer wall of the support (2) via a fixing rod (9).

4. The wireless transformer oil level testing device based on ultrasonic technology according to claim 3, characterized in that, The mounting plate (1) has a protruding frame (13) fixedly connected to its outer wall, and the protruding frame (13) engages with the inner wall of the support (2).

5. The wireless transformer oil level testing device based on ultrasonic technology according to claim 4, characterized in that, The magnetic suction assembly includes multiple sets of magnetic blocks (3) fixedly connected to the outer wall of the mounting plate (1), and the multiple sets of magnetic blocks (3) are arranged in a rectangular shape.

6. The wireless transformer oil level testing device based on ultrasonic technology according to claim 5, characterized in that, The outer wall of the support (2) is fixedly connected to a connecting ring (6), and the protective cover (5) is screwed into the connecting ring (6).

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