CN219245702U

CN219245702U - Current partial discharge sensor

Info

Publication number: CN219245702U
Application number: CN202320719841.2U
Authority: CN
Inventors: 杜赟; 左凡辉; 张洪波
Original assignee: Qingdao Liheng Electronics Co ltd
Current assignee: Qingdao Liheng Electronics Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-06-23
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a current partial discharge sensor which comprises a sensor body, wherein a base is fixedly connected to the side wall of the sensor body, a plurality of fixing screws are connected to the side wall of the base in a penetrating and sliding mode, a mounting plate is fixedly connected to the end portion, far away from the sensor body, of one end of each fixing screw, a plurality of mounting screws are connected to the side wall of each mounting plate in a penetrating and threaded mode, an adjusting mechanism used for adjusting the mounting height of the base is arranged on the side wall of each fixing screw, and mounting rings are arranged on the side walls of two sides of the sensor body. The utility model is provided with the structures of the movable plate, the adjusting screw, the contact block, the sliding groove and the like, and the stability of the cable of the sensor body in the current electric field detection process is realized by adjusting the position of the movable plate by the adjusting screw and supporting and positioning the cable of the contact block away from the detection part of the sensor body, so that the influence of the movement or swing of the cable on the detection process of the sensor body is avoided.

Description

Current partial discharge sensor

Technical Field

The utility model relates to the technical field of current partial discharge sensors, in particular to a current partial discharge sensor.

Background

In an electric power device such as a gas-insulated switchgear, a high-voltage conductor (wire) is supported in a metal container for sealing an enclosed insulating gas, and the high-voltage conductor is kept in an insulated state. Although the electric field distribution in the metal container is designed so as to be uniform, if a defect (for example, a metal impurity, a needle-like protrusion, or the like) that forms an uneven electric field is mixed, partial discharge may occur starting from a portion of the defect.

When the existing current partial discharge sensor is used, a wire is placed inside the sensor, a current electric field flowing through the wire is detected, but the wire cannot be limited and fixed in the placing process, so that the detection precision of the sensor to the current electric field is affected after the wire is pulled and moved, and meanwhile, the installation height of the existing current partial discharge sensor cannot be adjusted when the existing current partial discharge sensor is installed, so that a cable cannot be located in the middle of the partial discharge sensor, and the precision of the sensor is affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a current partial discharge sensor.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a sensor is put in electric current office, includes the sensor body, the lateral wall fixedly connected with base of sensor body, the lateral wall of base runs through sliding connection has a plurality of fixing screw, and is a plurality of the one end tip fixedly connected with mounting panel of sensor body is kept away from to the fixing screw, the lateral wall of mounting panel runs through threaded connection has a plurality of mounting screw, the lateral wall of fixing screw is equipped with the adjustment mechanism who is used for the base mounting altitude mixture control, the both sides lateral wall of sensor body all is equipped with the collar, the lateral wall of collar is equipped with the fly leaf that a plurality of circumference set up, a plurality of the opposite lateral wall of fly leaf all is equipped with the contact block, the contact block is equipped with the installation mechanism that is used for the installation to the contact block with the opposite lateral wall of fly leaf, the lateral wall of collar is equipped with the adjustment mechanism that is used for the fly leaf position adjustment.

Preferably, the adjusting mechanism comprises an upper nut and a lower nut which are connected to the side wall of the fixed screw in a threaded manner, and the upper nut and the lower nut are respectively arranged on the upper side and the lower side of the base.

Preferably, the mounting mechanism comprises two symmetrically arranged limiting grooves formed in the side wall of the movable plate, two symmetrically arranged limiting blocks are fixedly connected to the opposite side wall of the contact block and the movable plate, and the limiting blocks are slidably connected in the limiting grooves.

Preferably, the adjusting mechanism comprises a plurality of circumferentially arranged sliding grooves formed in the side wall of the mounting ring, a sliding plate is fixedly connected to the side wall of the movable plate, which is close to the mounting ring, and the sliding plate is slidably connected in the sliding grooves.

Preferably, an adjusting screw is connected to the side wall of the mounting ring in a threaded manner, the adjusting screw penetrates through the sliding groove, and the positioning rod penetrates through the threaded connection sliding plate.

Preferably, the side wall of the mounting ring is in threaded connection with a plurality of circumferentially arranged positioning rods, and the positioning rods are in threaded connection with the sensor body.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with the structures of the movable plate, the adjusting screw, the contact block, the sliding groove and the like, and the stability of the cable of the sensor body in the current electric field detection process is realized by adjusting the position of the movable plate by the adjusting screw and supporting and positioning the cable of the contact block away from the detection part of the sensor body, so that the influence of the movement or swing of the cable on the detection process of the sensor body is avoided.

2. The utility model is provided with the structures of the base, the mounting plate, the fixing screw, the upper nut, the lower nut and the like, the base is positioned on the fixing screw by matching the upper nut and the lower nut through the mounting of the mounting plate, the convenient adjustment and the adjustment of the mounting height of the sensor body are realized, the cable of the sensor body is positioned at the middle position of the detection of the sensor body in the mounting process, and the influence on the detection precision of the sensor body is avoided.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a current partial discharge sensor according to the present utility model;

FIG. 2 is a schematic side view of a partial discharge sensor according to the present utility model;

fig. 3 is a schematic diagram of a bottom structure of a current partial discharge sensor according to the present utility model.

In the figure: the sensor comprises a sensor body 1, a base 2, a mounting plate 3, a mounting screw 4, a fixing screw 5, an upper nut 6, a lower nut 7, a mounting ring 8, a positioning rod 9, a movable plate 10, a sliding groove 11, an adjusting screw 12, a contact block 13 and a limiting groove 14.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

Referring to fig. 1-3, a current partial discharge sensor comprises a sensor body 1, wherein a base 2 is fixedly connected to the side wall of the sensor body 1, a plurality of fixing screws 5 are connected to the side wall of the base 2 in a penetrating and sliding manner, a mounting plate 3 is fixedly connected to one end part of the plurality of fixing screws 5, which is far away from the sensor body 1, a plurality of mounting screws 4 are connected to the side wall of the mounting plate 3 in a penetrating and threaded manner, an adjusting mechanism for adjusting the mounting height of the base 2 is arranged on the side wall of the fixing screws 5, the adjusting mechanism comprises an upper nut 6 and a lower nut 7 which are connected to the side wall of the fixing screws 5 in a threaded manner, and the upper nut 6 and the lower nut 7 are respectively arranged on the upper side and the lower side of the base 2.

The both sides lateral wall of sensor body 1 all is equipped with collar 8, the lateral wall threaded connection of collar 8 a plurality of circumference setting's locating lever 9, locating lever 9 threaded connection sensor body 1, the lateral wall of collar 8 is equipped with the fly leaf 10 of a plurality of circumference settings, the relative lateral wall of a plurality of fly leaves 10 all is equipped with contact block 13, contact block 13 and the relative lateral wall of fly leaf 10 are equipped with the installation mechanism that is used for installing contact block 13, the installation mechanism is including seting up the spacing groove 14 that two symmetries set up on the fly leaf 10 lateral wall, the stopper that two symmetries set up of relative lateral wall fixedly connected with of contact block 13 and fly leaf 10, stopper sliding connection is in the spacing groove.

The lateral wall of collar 8 is equipped with the guiding mechanism that is used for the adjustment of fly leaf 10 position, and guiding mechanism is including seting up a plurality of circumference setting's on collar 8 lateral wall sliding tray 11, and one side lateral wall fixedly connected with sliding tray that collar 8 is close to fly leaf 10, and sliding tray sliding connection is in sliding tray 11, and the lateral wall threaded connection of collar 8 has adjusting screw 12, and adjusting screw 12 runs through sliding tray 11, and adjusting screw 12 runs through threaded connection sliding tray.

When the utility model is used, as shown in fig. 1-3, when the utility model is used, firstly, the mounting plate 3 is fixed at the mounting position through the plurality of mounting screws 4, then the base 2 is mounted on the plurality of fixing screws 5, the mounting position of the base 2 can be tightly supported and fixed through the threaded connection of the upper nuts 6 and the lower nuts 7 on the fixing screws 5, namely, the cable is kept at the middle position of the sensor body 1 in the process of mounting the sensor body 1, the difference of the cable positions is prevented from influencing the detection precision of the sensor body 1, then the cable passes through the mounting rings 8 at the two sides, at the moment, the adjusting screw 12 drives the adjustment of the position of the sliding plate under the limiting action of the sliding groove 11, namely, the adjustment and the adjustment of the position of the movable plate 10 are realized, in the process, the limiting blocks on the side walls of the contact blocks 13 are slidably clamped in the limiting grooves 14, the convenient mounting and dismounting of the contact blocks 13 can be realized, and the contact blocks 13 with different thicknesses can be used according to the cable sizes, and the stability of the cable in the detection process can be realized.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a sensor is put in electric current office, includes sensor body (1), a serial communication port, the lateral wall fixedly connected with base (2) of sensor body (1), the lateral wall of base (2) runs through sliding connection has a plurality of fixing screw (5), and is a plurality of the one end tip fixedly connected with mounting panel (3) of sensor body (1) are kept away from to fixing screw (5), the lateral wall of mounting panel (3) runs through threaded connection has a plurality of installation screw (4), the lateral wall of fixing screw (5) is equipped with the adjustment mechanism who is used for installing altitude mixture control to base (2), the both sides lateral wall of sensor body (1) all is equipped with collar (8), the lateral wall of collar (8) is equipped with movable plate (10) that a plurality of circumference set up, a plurality of the relative lateral wall of movable plate (10) all is equipped with contact block (13), the relative lateral wall of contact block (13) and movable plate (10) is equipped with the installation mechanism that is used for installing contact block (13), the lateral wall of collar (8) is equipped with the adjustment mechanism who is used for adjusting movable plate (10) position.

2. The partial discharge sensor according to claim 1, wherein the adjusting mechanism comprises an upper nut (6) and a lower nut (7) which are connected to the side wall of the fixing screw (5) in a threaded manner, and the upper nut (6) and the lower nut (7) are respectively arranged on the upper side and the lower side of the base (2).

3. The partial discharge sensor according to claim 2, wherein the mounting mechanism comprises two symmetrically arranged limiting grooves (14) formed in the side wall of the movable plate (10), two symmetrically arranged limiting blocks are fixedly connected to the opposite side wall of the contact block (13) and the movable plate (10), and the limiting blocks are slidably connected in the limiting grooves (14).

4. A partial discharge sensor according to claim 3, wherein the adjusting mechanism comprises a plurality of circumferentially arranged sliding grooves (11) formed in the side wall of the mounting ring (8), and the side wall of the movable plate (10) close to the mounting ring (8) is fixedly connected with a sliding plate which is slidably connected in the sliding grooves (11).

5. The partial discharge sensor according to claim 4, wherein an adjusting screw (12) is screwed on the side wall of the mounting ring (8), the adjusting screw (12) penetrates through the sliding groove (11), and the adjusting screw (12) penetrates through the screwed sliding plate.

6. A partial discharge sensor according to claim 5, characterized in that the side wall of the mounting ring (8) is threaded with a plurality of circumferentially arranged positioning rods (9), the positioning rods (9) being threaded with the sensor body (1).