A converter valve installation monitoring device

Abstract

This utility model discloses a converter valve installation monitoring device, comprising a mounting frame, a connecting sleeve inside the mounting frame, a reset assembly inside the connecting sleeve, and the mounting sleeve inside the reset assembly. The reset assembly includes a drive motor fixedly connected to the connecting sleeve, a rope shaft fixedly connected to the output end of the drive motor, and a pull rope wound on the rope shaft. The pull rope is fixedly connected to the mounting sleeve. A slot is provided inside the connecting sleeve, and an electromagnet is installed in the slot. In this utility model, by setting up the reset assembly, the user can remotely control the operation of the drive motor and the electromagnet, thereby lowering the mounting sleeve to a position close to the ground. This facilitates the replacement and maintenance of the sensors used for converter valve monitoring, and allows the user to operate safely while remaining away from the converter valve, greatly facilitating the management and maintenance of the converter valve.

Description

Technical Field

[0001] This utility model relates to the field of power equipment technology, and in particular to a converter valve installation monitoring device. Background Technology

[0002] Converter valves are core equipment in DC transmission projects. They connect three-phase AC voltages sequentially to the DC terminal to obtain the desired DC voltage and control power. Their value accounts for approximately 22-25% of the total price of a complete converter station system. The design of converter valves utilizes the latest technologies and research results in power electronics, optical conversion, high-voltage technology, control technology, voltage equalization technology, cooling technology, and high-voltage insulation materials. With the development of the times and the growth of electricity demand, the power consumption of converter valves has gradually increased, making the monitoring of various operating data particularly important.

[0003] In existing technologies, converter valves are generally installed at high locations, 2-3 meters above the ground. After installation, it is inconvenient to replace or maintain the monitoring equipment. Furthermore, as converter valves are electrical equipment, there is a certain degree of danger in approaching them without shutting down the system. There is a lack of an installation device that facilitates the replacement of monitoring equipment on the ground. Therefore, we propose a converter valve installation monitoring device to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to solve the problems existing in the prior art by proposing a converter valve installation monitoring device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a converter valve installation monitoring device, including a mounting frame, a connecting sleeve disposed inside the mounting frame, a reset component disposed inside the connecting sleeve, and a mounting sleeve disposed inside the reset component; The reset assembly includes a drive motor fixedly connected to the connecting sleeve. The output end of the drive motor is fixedly connected to a rope shaft, and a pull rope is wound on the rope shaft. The pull rope is fixedly connected to the mounting sleeve. A slot is opened inside the connecting sleeve, and an electromagnet is installed in the slot. A locking block that matches the slot is slidably connected to the mounting sleeve, and a permanent magnet is installed on the locking block. Multiple guide blocks are also fixedly connected inside the connecting sleeve. Multiple round rods are rotatably connected to the side wall of the mounting sleeve.

[0006] Preferably, the mounting sleeve includes a base plate, a housing is rotatably connected to the base plate, the locking block is slidably connected to the housing, the round rod is rotatably connected to the side wall of the housing, and the inner wall of the housing is provided with a limiting groove for placing the sensor.

[0007] Preferably, the slot has a tapered opening on the side near the mounting sleeve, and the block has a rounded corner on the end near the slot.

[0008] Preferably, the housing is provided with multiple connection points, and a connecting rope is fixedly connected to each connection point, and the connecting rope is fixedly connected to a pull rope.

[0009] Preferably, the plurality of guide blocks are arranged in a circular pattern.

[0010] Preferably, the outer diameter of the base plate is equal to the inner diameter of the connecting sleeve, and the base plate and the connecting sleeve are clearance fit.

[0011] Compared with the prior art, the beneficial effects of this utility model are: This utility model, by setting a reset component, allows users to remotely control the operation of the drive motor and electromagnet, thereby lowering the mounting sleeve to a position close to the ground. This facilitates the replacement and maintenance of the sensors used for monitoring the converter valve, and allows users to operate more safely while keeping away from the converter valve, greatly facilitating the management and maintenance of the converter valve. This invention utilizes an electromagnet and a locking block. When fixing the connecting sleeve, the electromagnet's magnetic force attracts the locking block, causing it to engage with the slot and thus securing the connecting sleeve. When it is necessary to lower the installation sleeve, the direction of the current in the electromagnet can be changed, causing the magnetic poles of the solenoid valve to change. The repulsive force then drives the locking block away from the slot, thus separating the locking block from the slot. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main cross-sectional structure of a converter valve installation and monitoring device proposed in this utility model; Figure 2 This is a top-section structural diagram of a converter valve installation and monitoring device proposed in this utility model; Figure 3 This is a schematic diagram of the guide block structure of a converter valve installation and monitoring device proposed in this utility model.

[0013] In the diagram: 1. Mounting bracket; 2. Connecting sleeve; 3. Drive motor; 4. Rope shaft; 5. Pull rope; 6. Slot; 7. Electromagnet; 8. Locking block; 9. Guide block; 10. Round rod; 11. Base plate; 12. Housing; 13. Conical opening; 14. Connecting rope. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0015] Reference Figure 1-3 A converter valve installation monitoring device includes a mounting frame 1, a connecting sleeve 2 is provided inside the mounting frame 1, a reset component is provided inside the connecting sleeve 2, and a mounting sleeve is provided inside the reset component. The reset assembly includes a drive motor 3 fixedly connected to the connecting sleeve 2. The output end of the drive motor 3 is fixedly connected to a rope shaft 4, and a pull rope 5 is wound on the rope shaft 4. The pull rope 5 is fixedly connected to the mounting sleeve. A slot 6 is opened in the connecting sleeve 2, and an electromagnet 7 is provided in the slot 6. A locking block 8 matching the slot 6 is slidably connected to the mounting sleeve, and a permanent magnet is provided on the locking block 8. Multiple guide blocks 9 are also fixedly connected in the connecting sleeve 2. Multiple round rods 10 are rotatably connected to the side wall of the mounting sleeve. In this design, the drive motor 3, together with the rope shaft 4 and the pull rope 5, can achieve the purpose of lifting and installing the sleeve below, thereby facilitating users to perform operations such as testing, maintenance or replacement of the monitoring sensor on the ground; When the monitoring sensor needs to be removed, the user controls the electromagnet 7 to operate. Utilizing the repulsive property between the like poles of the electromagnet 7 and the permanent magnet, the locking block 8 moves away from the locking slot 6. Then, the user controls the drive motor 3 to rotate the rope shaft 4, releasing the pull rope 5 wound on the rope shaft 4, allowing the mounting sleeve to move downwards until it reaches a position close to the ground. At this point, the user can perform maintenance or replacement operations on the monitoring sensor inside the mounting sleeve. Subsequently, the user controls the drive motor 3 to run in the opposite direction, cooperating with the rope shaft 4 and pull rope 5 to move the mounting sleeve upwards. After the mounting sleeve moves into the connecting sleeve 2, the round rod 10 and the guide block 9... The opposing forces cause the mounting sleeve to rotate. Simultaneously, the user changes the current direction of electromagnet 7 and activates it. Utilizing the property of magnetic attraction between opposite poles, when the locking block 8 rotates to a position close to the slot 6, it moves the locking block 8 towards the slot 6. As the permanent magnet approaches the electromagnet 7, the attraction between the two becomes stronger, ultimately causing the locking block 8 to engage in the slot 6, completing the installation of the monitoring sensor. It should be noted that although there is some magnetic field interference near the converter valve as an electrical device, its impact on the movement of the locking block 8 driven by the electromagnet 7 is negligible and will not affect the reset assembly.

[0016] Furthermore, the mounting sleeve includes a base plate 11, on which a housing 12 is rotatably connected. The locking block 8 is slidably connected to the housing 12, and the round rod 10 is rotatably connected to the side wall of the housing 12. The inner wall of the housing 12 is provided with a limiting groove for placing the sensor. In this design, the housing 12, in conjunction with the limiting groove, is used to install the monitoring sensor, while the base plate 11, after the mounting sleeve enters the connecting sleeve 2, abuts against the inner wall of the mounting sleeve and the connecting sleeve 2, adjusting the posture of the entire mounting sleeve and preventing the mounting sleeve from being tilted.

[0017] Furthermore, the slot 6 is provided with a tapered opening 13 on the side near the mounting sleeve, and the end of the block 8 near the slot 6 is provided with a rounded corner; The tapered opening 13 with rounded corners allows the card block 8 to be inserted more stably into the card slot 6, ensuring that the card slot 6 and the card block 8 can effectively cooperate under the action of the electromagnet 7 and the permanent magnet.

[0018] Furthermore, the housing 12 is provided with multiple connection points, and a connecting rope 14 is fixedly connected to each connection point. The connecting rope 14 is fixedly connected to the pull rope 5. This arrangement can ensure that the mounting sleeve can move up and down in a nearly horizontal state, which is beneficial for the mounting sleeve to be inserted into the connecting sleeve 2.

[0019] Furthermore, the lower end of the guide block 9 is arc-shaped and the side is inclined, and multiple guide blocks 9 are arranged in a circle. The guide blocks 9 are set to cooperate with the round rod 10 to drive the housing 12 to rotate after the mounting sleeve enters the connecting sleeve 2.

[0020] Furthermore, the outer diameter of the base plate 11 is equal to the inner diameter of the connecting sleeve 2, and the base plate 11 and the connecting sleeve 2 are in clearance fit. The base plate 11 is used to limit the installation sleeve, and the clearance fit is set to avoid excessive friction between the base plate 11 and the connecting sleeve 2, which would prevent the connecting sleeve 2 from being lowered.

[0021] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A converter valve mounting monitoring device comprising a mounting frame (1), characterized in that The mounting bracket (1) is provided with a connecting sleeve (2), the connecting sleeve (2) is provided with a reset component, and the reset component is provided with a mounting sleeve; The reset assembly includes a drive motor (3) fixedly connected to the connecting sleeve (2). The output end of the drive motor (3) is fixedly connected to a rope shaft (4), and a pull rope (5) is wound on the rope shaft (4). The pull rope (5) is fixedly connected to the mounting sleeve. A slot (6) is provided in the connecting sleeve (2), and an electromagnet (7) is provided in the slot (6). A locking block (8) matching the slot (6) is slidably connected to the mounting sleeve, and a permanent magnet is provided on the locking block (8). Multiple guide blocks (9) are also fixedly connected to the connecting sleeve (2). Multiple round rods (10) are rotatably connected to the side wall of the mounting sleeve.

2. A converter valve installation monitoring apparatus according to claim 1, characterised in that, The mounting sleeve includes a base plate (11), on which a housing (12) is rotatably connected. The locking block (8) is slidably connected to the housing (12), and the round rod (10) is rotatably connected to the side wall of the housing (12). The inner wall of the housing (12) is provided with a limiting groove for placing the sensor.

3. A converter valve installation monitoring apparatus according to claim 1, characterised in that, The slot (6) has a tapered opening (13) on the side near the mounting sleeve, and the block (8) has a rounded corner on the end near the slot (6).

4. A converter valve installation monitoring apparatus according to claim 2, characterised in that, The housing (12) is provided with multiple connection points, and a connecting rope (14) is fixedly connected to the connection points. The connecting rope (14) is fixedly connected to the pull rope (5).

5. A converter valve installation monitoring apparatus according to claim 1, characterised in that, The multiple guide blocks (9) are arranged in a surrounding manner.

6. A converter valve installation monitoring apparatus according to claim 2, characterised in that, The outer diameter of the base plate (11) is equal to the inner diameter of the connecting sleeve (2), and the base plate (11) and the connecting sleeve (2) are in clearance fit.

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