Low-power-consumption network wireless partial discharge sensor data transmission equipment

Abstract

The utility model discloses a low-power-consumption network wireless partial discharge sensor data transmission device, which relates to the technical field of wireless partial discharge monitoring and comprises a support, and a sensing device is arranged on one side of the support. A low-power-consumption network wireless partial discharge sensor data transmission device is characterized in that two groups of electric telescopic rods are started through an external controller to drive a pressure sensor and a clamping block to move relatively, so that two groups of arc-shaped grooves are in contact with the outer side of a cable, meanwhile, the pressure sensor detects the clamping pressure, and after the clamping pressure reaches a set value, the clamping pressure is fed back to the external controller; according to the cable mounting device, manual operation is not needed, the structure is simple, operation is convenient and fast, the cable mounting efficiency is improved, and meanwhile, the cable mounting device is suitable for being used by cables with different diameters.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless partial discharge monitoring, in particular to low-power network wireless partial discharge sensor data transmission equipment. Background Art

[0002] Discharge that occurs only in a local area of ​​the insulator without penetrating between the conductors to which the voltage is applied can occur near the conductor or elsewhere. This phenomenon is called partial discharge. For its electrical equipment, discharge sensors are usually required to detect and monitor the discharge phenomenon.

[0003] Existing discharge sensors can sense discharge signals and convert them into measurable electrical signals or digital signals for analysis and judgment. For example, a patent discloses a low-power network wireless partial discharge sensor data transmission device (publication number: CN220289762U), which connects the monitoring rod on the surface of the annular inductor with the discharge monitor wrapped around the cable surface to monitor the partial discharge on the cable surface. However, when fixing the cable, it is necessary to manually operate the fixing bolts to connect the fixing device to the cable, which is time-consuming and labor-intensive. Therefore, the utility model proposes a low-power network wireless partial discharge sensor data transmission device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a low-power network wireless partial discharge sensor data transmission device, which solves the problems in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a low-power network wireless partial discharge sensor data transmission device, comprising a bracket, a sensor device is arranged on one side of the bracket, a plug rod is arranged on the outside of the sensor device, a fixing device is arranged on the upper end of the bracket, a cable is connected to the middle of the fixing device, a monitoring device is arranged on one side of the sensor device, the monitoring device comprises a monitoring rod, a toroidal inductor and a shell, and a discharge monitor is arranged on the outside of the cable;

[0006] The fixing device includes a support plate, an electric telescopic rod is arranged at the upper end of the support plate, a pressure sensor is arranged at the output end of the electric telescopic rod, a clamping block is arranged at one side of the pressure sensor, a guide rod is arranged at one side of the clamping block, a guide hole is opened at the upper end of the support plate, and an arc groove is opened at one side of the clamping block.

[0007] As a further technical solution of the utility model, the bracket is fixedly connected to the fixing device, the discharge monitor is located on the outside of the cable, the sensor device is fixedly connected to the insertion rod, and the sensor device is internally provided with a low-power lora module and a wireless transmission device as well as an ADC conversion and MCU data processing module.

[0008] As a further technical solution of the utility model, the monitoring rod is connected to the discharge monitor, the annular inductor is connected to the sensor device through an insertion rod, the insertion rod is made of insulating material, and a through hole matching the monitoring rod is opened at the upper end of the shell.

[0009] As a further technical solution of the utility model, the number of the support plates is two groups and they are symmetrically distributed, the support plates are fixedly connected to the brackets, the electric telescopic rods are fixedly connected to the support plates by bolts, and the electric telescopic rods are electrically connected to the external controller.

[0010] As a further technical solution of the utility model, the output end of the electric telescopic rod is fixedly connected to the detection end of the pressure sensor, the pressure sensor is electrically connected to the external controller, the pressure sensor is fixedly connected to the clamping block, and the number of the clamping blocks is two groups and they are symmetrically distributed.

[0011] As a further technical solution of the utility model, the guide rod and the clamping block are fixedly connected, the guide hole passes through the middle of the support plate, the guide rod and the guide hole are adapted to each other, and the arc groove is an arc structure.

[0012] The utility model provides a low-power network wireless partial discharge sensor data transmission device. Compared with the prior art, it has the following beneficial effects:

[0013] A low-power network wireless partial discharge sensor data transmission device, through the setting of a fixing device, in the process of clamping and fixing the cable, two groups of electric telescopic rods are started by an external controller, under the support of a support plate, the output ends of the two groups of electric telescopic rods drive the pressure sensor and the clamping block to move relative to each other, and in the process of the clamping block moving, the guide rod is driven to move along the inside of the guide hole, so that the two groups of arc grooves are in contact with the outside of the cable, and at the same time, the pressure sensor detects the clamping pressure, and after reaching the set value, it is fed back to the external controller, thereby stopping the operation of the output end of the electric telescopic rod, thereby positioning the clamping block, and then automatically clamping the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a low-power network wireless partial discharge sensor data transmission device;

[0015] Figure 2 It is a schematic diagram of the partial internal structure of a low-power network wireless partial discharge sensor data transmission device;

[0016] Figure 3 Another perspective diagram of a low-power network wireless partial discharge sensor data transmission device;

[0017] Figure 4 This is a partial breakdown diagram of a low-power network wireless partial discharge sensor data transmission device.

[0018] In the figure: 1. bracket; 2. fixing device; 21. support plate; 22. electric telescopic rod; 23. pressure sensor; 24. clamping block; 25. guide rod; 26. guide hole; 27. arc groove; 3. cable; 4. sensing device; 41. plug rod; 5. monitoring device; 51. monitoring rod; 52. toroidal inductor; 53. housing; 6. discharge monitor. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution for a low-power network wireless partial discharge sensor data transmission device: a low-power network wireless partial discharge sensor data transmission device, comprising a bracket 1, a sensor device 4 is arranged on one side of the bracket 1, a plug rod 41 is arranged on the outside of the sensor device 4, a fixing device 2 is arranged on the upper end of the bracket 1, a cable 3 is connected to the middle of the fixing device 2, a monitoring device 5 is arranged on one side of the sensor device 4, the monitoring device 5 comprises a monitoring rod 51, a toroidal inductor 52 and a housing 53, and a discharge monitor 6 is arranged on the outside of the cable 3;

[0021] Among them, the fixing device 2 includes a support plate 21, an electric telescopic rod 22 is arranged at the upper end of the support plate 21, a pressure sensor 23 is arranged at the output end of the electric telescopic rod 22, a clamping block 24 is arranged on one side of the pressure sensor 23, a guide rod 25 is arranged on one side of the clamping block 24, a guide hole 26 is opened at the upper end of the support plate 21, and an arc groove 27 is opened on one side of the clamping block 24.

[0022] See also Figure 1-2The bracket 1 is fixedly connected to the fixing device 2, the discharge monitor 6 is located on the outside of the cable 3, the sensor device 4 is fixedly connected to the plug rod 41, and the interior of the sensor device 4 is provided with a low-power lora module and a wireless transmission device as well as an ADC conversion and MCU data processing module, which is conducive to the MCU in the sensor device 4 to determine whether it is necessary to send data. For example, when it is necessary to detect partial discharge of the cable 3, the sensor device 4 is operated to detect the cable, amplify the detection signal and filter the signal, and the data is sent to the MCU main control room for processing through the ADC analog-to-digital conversion in the sensor device 4, and the data is sealed and sent wirelessly. If no detection is required, it returns to the sleep state.

[0023] See also Figure 1-2 The monitoring rod 51 is connected to the discharge monitor 6, and the annular inductor 52 is connected to the sensor device 4 through the plug rod 41. The plug rod 41 is made of insulating material. A through hole that matches the monitoring rod 51 is opened at the upper end of the shell 53, thereby facilitating the monitoring of partial discharge on the surface of the cable 3.

[0024] See also Figure 3-4 There are two groups of support plates 21 and they are symmetrically distributed. The support plate 21 is fixedly connected to the bracket 1. The electric telescopic rod 22 is fixedly connected to the support plate 21 by bolts. The electric telescopic rod 22 is electrically connected to the external controller. The output end of the electric telescopic rod 22 is fixedly connected to the detection end of the pressure sensor 23. The pressure sensor 23 is electrically connected to the external controller. The pressure sensor 23 is fixedly connected to the clamping block 24. There are two groups of clamping blocks 24 and they are symmetrically distributed. The guide rod 25 is fixedly connected to the clamping block 24. The guide hole 26 runs through the middle of the support plate 21. The guide rod 25 and the guide hole 26 are matched. The arc groove 27 is an arc structure, which is conducive to the automatic clamping of the cable 3, and can automatically clamp cables 3 of different diameters.

[0025] The working principle of the utility model is as follows: during the use of the equipment, the cable 3 is automatically clamped by the fixing device 2, and then connected to the monitoring rod 51 through the discharge monitor 6, and the bracket 1 and the toroidal inductor 52 are connected through the insertion rod 41, so as to monitor the partial discharge on the surface of the cable 3.

[0026] It should be noted that, through the setting of the fixing device 2, in the process of clamping and fixing the cable 3, the two groups of electric telescopic rods 22 are started through the external controller. Under the support of the support plate 21, the output ends of the two groups of electric telescopic rods 22 drive the pressure sensor 23 and the clamping block 24 to move relative to each other. During the movement of the clamping block 24, the guide rod 25 is driven to move along the inside of the guide hole 26, so that the two groups of arc grooves 27 are in contact with the outside of the cable 3. At the same time, the pressure sensor 23 detects the clamping pressure. After reaching the set value, it is fed back to the external controller, and then the operation of the output end of the electric telescopic rod 22 is stopped, so that the clamping block 24 is positioned, and then the cable 3 is automatically clamped. No manual operation is required, the structure is simple, the operation is convenient, the installation efficiency of the cable 3 is improved, and it is suitable for cables 3 of different diameters.

Claims

1. A low-power network wireless partial discharge sensor data transmission device, comprising a bracket (1), characterized in that: A sensing device (4) is provided on one side of the support (1), an inserting rod (41) is provided on the outside of the sensing device (4), a fixing device (2) is provided on the upper end of the support (1), a cable (3) is connected to the middle of the fixing device (2), a monitoring device (5) is provided on one side of the sensing device (4), the monitoring device (5) comprises a monitoring rod (51), a toroidal inductor (52) and a housing (53), and a discharge monitor (6) is provided on the outside of the cable (3); The fixing device (2) comprises a support plate (21), an electric telescopic rod (22) is arranged at the upper end of the support plate (21), a pressure sensor (23) is arranged at the output end of the electric telescopic rod (22), a clamping block (24) is arranged on one side of the pressure sensor (23), a guide rod (25) is arranged on one side of the clamping block (24), a guide hole (26) is provided at the upper end of the support plate (21), and an arc groove (27) is provided on one side of the clamping block (24).

2. A low-power network wireless partial discharge sensor data transmission device according to claim 1, characterized in that: The bracket (1) and the fixing device (2) are fixedly connected, the discharge monitor (6) is located outside the cable (3), the sensor device (4) and the insertion rod (41) are fixedly connected, and a low-power lora module and a wireless transmission device as well as an ADC conversion and MCU data processing module are arranged inside the sensor device (4).

3. A low-power network wireless partial discharge sensor data transmission device according to claim 1, characterized in that: The monitoring rod (51) is connected to the discharge monitor (6), and the annular inductor (52) is connected to the sensor device (4) via an insertion rod (41). The insertion rod (41) is made of insulating material, and a through hole matching the monitoring rod (51) is provided at the upper end of the housing (53).

4. A low-power network wireless partial discharge sensor data transmission device according to claim 1, characterized in that: The support plates (21) are provided in two groups and are symmetrically distributed; the support plates (21) are fixedly connected to the bracket (1); the electric telescopic rod (22) is fixedly connected to the support plate (21) via bolts; and the electric telescopic rod (22) is electrically connected to an external controller.

5. A low-power network wireless partial discharge sensor data transmission device according to claim 1, characterized in that: The output end of the electric telescopic rod (22) is fixedly connected to the detection end of the pressure sensor (23), the pressure sensor (23) is electrically connected to an external controller, the pressure sensor (23) is fixedly connected to a clamping block (24), and the clamping blocks (24) are provided in two groups and are symmetrically distributed.

6. A low-power network wireless partial discharge sensor data transmission device according to claim 1, characterized in that: The guide rod (25) and the clamping block (24) are fixedly connected, the guide hole (26) passes through the middle of the support plate (21), the guide rod (25) and the guide hole (26) are adapted to each other, and the arc groove (27) is an arc structure.

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