Portable monitoring device for high-voltage switch cabinet

Abstract

The utility model discloses a portable monitoring device for a high-voltage switch cabinet, which comprises a high-frequency current sensor main body, a magnetic core coil and a signal line, and the signal line is connected between the high-frequency current sensor main body and the magnetic core coil. The inner side of the magnetic core coil is provided with a circular hole for a cable of the high-voltage switch cabinet to penetrate through. The combined connecting mechanism is arranged on the surface of the high-frequency current sensor main body and comprises a cylindrical base fixed on the surface of the high-frequency current sensor main body and a transverse sliding block arranged on the surface of the cylindrical base in a sliding manner; according to the utility model, the combined connection mechanism is designed on the high-frequency current sensor main body, so that the magnetic core coil and the high-frequency current sensor main body can be combined and connected in the follow-up device carrying process, and the magnetic core coil and the high-frequency current sensor main body are combined into a whole; therefore, the problem that a connecting line between the magnetic core coil and the high-frequency current sensor main body is damaged due to mutual pulling between the magnetic core coil and the high-frequency current sensor main body in the subsequent carrying process is solved, and the overall portability is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high voltage switchgear monitoring technical field, and specifically relates to high voltage switchgear portable monitoring device. BACKGROUND

[0002] At present, the detection methods for the running state of high voltage switchgear equipment are mainly divided into two types of artificial live detection and online monitoring. When the artificial live detection is carried out, ultrasonic wave, transient ground wave, three-in-one online monitoring sensor of temperature and humidity, ultra-high frequency online monitoring sensor, high frequency current online monitoring sensor, internet of things concentrator and intelligent state monitoring platform are needed. The high frequency current online monitoring sensor is a kind of high voltage switchgear monitoring device. The high frequency current sensor adopts the structure of Rogowski coil and adopts the design of wide frequency band. The frequency range is 0.5-30MHz, and the measurement range is 0-65dBmV. It is used for coupling the electromagnetic field signal generated by the partial discharge pulse current flowing through the surrounding of the passage. The cable on the high voltage switchgear can be monitored. For example, the existing patent with the publication number CN219224924U discloses a 50D high frequency current sensor. The sensor body and the waterproof connecting piece are arranged on the sensor body. The N-shaped joint is arranged on the sensor body and is arranged in the waterproof connecting piece.

[0003] The high frequency current sensor in the prior art is used as a high voltage switchgear monitoring device in actual use. It is mainly composed of a high frequency current sensor body and a magnetic core coil. However, the high frequency current sensor body and the magnetic core coil cannot be combined and connected during carrying. Therefore, the high frequency current sensor body and the magnetic core coil in the split state are easily pulled by external force during carrying of the monitoring device, which leads to the signal line between the high frequency current sensor body and the magnetic core coil being excessively pulled or even damaged, and the portability is reduced. Therefore, the utility model provides a high voltage switchgear portable monitoring device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a high voltage switchgear portable monitoring device to solve the problems in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a high voltage switchgear portable monitoring device, which comprises

[0006] A high frequency current sensor body, a magnetic core coil and a signal line are arranged. The signal line is connected between the high frequency current sensor body and the magnetic core coil. The inner side of the magnetic core coil is provided with a circular hole for the high voltage switchgear cable to penetrate.

[0007] And the combination connecting mechanism arranged on the surface of the high-frequency current sensor body includes a cylindrical base fixed on the surface of the high-frequency current sensor body and a transverse sliding block slidingly arranged on the surface of the cylindrical base, and further includes a limiting structure.

[0008] Preferably, a T-shaped sliding groove is arranged on the surface of the cylindrical base, and a T-shaped sliding block is slidingly arranged in the T-shaped sliding groove, and one end of the T-shaped sliding block extends out of the surface of the cylindrical base and is fixed with the transverse sliding block.

[0009] Preferably, the limiting structure includes an inner sliding groove arranged in the transverse sliding block, an inner sliding plate slidingly arranged in the inner sliding groove, a limiting clamping rod fixed on the bottom surface of the inner sliding plate, and three limiting rod grooves arranged on the inner wall of the T-shaped sliding groove, and the bottom end of the limiting clamping rod penetrates through the T-shaped sliding block and is inserted into one of the limiting rod grooves.

[0010] Preferably, two pull rods are fixed on the top of the inner sliding plate, and the top ends of the two pull rods penetrate through the top of the transverse sliding block and are fixed with a push plate.

[0011] Preferably, two springs are arranged on the top of the inner sliding plate, and the pull rods penetrate through the inner side of the springs.

[0012] Preferably, two through holes for the pull rods to penetrate through are arranged on the top surface of the transverse sliding block, and the through holes are communicated with the inner sliding groove.

[0013] Preferably, a through hole for the limiting clamping rod to penetrate through is arranged on the surface of the T-shaped sliding block.

[0014] Preferably, an operation button is further arranged on one side of the surface of the high-frequency current sensor body relative to the combination connecting mechanism.

[0015] Compared with the prior art, the utility model has the advantages that: the utility model discloses a high-frequency current sensor body and a combination connecting mechanism arranged on the surface of the high-frequency current sensor body, which can realize the combination connection of the magnetic core coil and the high-frequency current sensor body during the carrying process of the subsequent device, and the two are combined into a whole, so that the problem of the damage of the connecting line between the magnetic core coil and the high-frequency current sensor body caused by mutual pulling during the subsequent carrying process is avoided, and the portability of the whole is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a three-dimensional view of the high-frequency current sensor body of the utility model;

[0018] Fig. 3The utility model discloses a combined connecting mechanism's section view;

[0019] In the drawing: 1, high frequency current sensor main part;11, operating button;2, magnetic core coil;3, combined connecting mechanism;31, cylindrical base;32, transverse sliding block;33, limit structure;331, push plate;332, inner sliding groove;333, inner sliding plate;334, limit card rod;335, limit rod groove;336, pull rod;337, spring;34, T-shaped sliding groove;35, T-shaped sliding block;4, signal line. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] EMBODIMENT

[0022] Please refer to Figs. 1 to 3 For the embodiment of the utility model, the embodiment provides a kind of technical scheme: high voltage switchgear portable monitoring device, including

[0023] High frequency current sensor main part 1, magnetic core coil 2 and signal line 4, signal line 4 is connected between high frequency current sensor main part 1 and magnetic core coil 2;The inside of magnetic core coil 2 is left with the circular hole for high voltage switchgear cable to pass through;

[0024] And the combined connecting mechanism 3 arranged on the surface of the high-frequency current sensor body 1, comprising a cylindrical base 31 welded on the surface of the high-frequency current sensor body 1 and a transverse sliding block 32 slidingly arranged on the surface of the cylindrical base 31, and further comprising a limiting structure 33, when actually carrying the device, the magnetic core coil 2 can be attached to the surface of the high-frequency current sensor body 1, and the cylindrical base 31 is inserted into the circular hole inside the magnetic core coil 2, and the transverse sliding block 32 is located on one side of the magnetic core coil 2, at this time the lever 331 can be lifted, the limiting lever 334 is moved out of the limiting rod groove 335, the limiting of the transverse sliding block 32 is released, then the transverse sliding block 32 is transversely slid, so that one end of the transverse sliding block 32 can be slid to the side of the magnetic core coil 2, then the lever 331 is released, the spring 337 pushes back the inner sliding plate 333, and the end of the limiting lever 334 is clamped into the limiting rod groove 335 in other positions, so that the transverse sliding block 32 is limited again, at this time one end of the transverse sliding block 32 is located on one side of the magnetic core coil 2 and blocks the magnetic core coil 2, so that the combination of the magnetic core coil 2 and the high-frequency current sensor body 1 is achieved, and the two are combined into a whole, so that the problem of damage to the connecting line between the magnetic core coil 2 and the high-frequency current sensor body 1 caused by mutual pulling during subsequent carrying process is avoided, and the portability of the whole is improved.

[0025] Wherein, the surface of the cylindrical base 31 is provided with a T-shaped sliding groove 34, and a T-shaped sliding block 35 is slidingly arranged in the T-shaped sliding groove 34, one end of the T-shaped sliding block 35 extends out of the surface of the cylindrical base 31 and is fixed with the transverse sliding block 32, so that the transverse sliding block 32 can smoothly slide left and right on the surface of the cylindrical base 31, the limiting structure 33 comprises an inner sliding groove 332 opened in the transverse sliding block 32, an inner sliding plate 333 slidingly arranged in the inner sliding groove 332, a limiting lever 334 welded on the bottom surface of the inner sliding plate 333, and three limiting rod grooves 335 opened in the inner wall of the T-shaped sliding groove 34, the bottom end of the limiting lever 334 penetrates through the T-shaped sliding block 35 and is inserted into one of the limiting rod grooves 335, for stable limiting of the transverse sliding block 32 during daily use.

[0026] Wherein, the top of the inner sliding plate 333 is welded with two pull rods 336, and the top ends of the two pull rods 336 penetrate through the top of the transverse sliding block 32 and are fixed with the lever 331, so that the subsequent operator can lift the limiting lever 334 through the lever 331 to quickly release the limiting of the transverse sliding block 32, the top of the inner sliding plate 333 is provided with two springs 337, and the pull rod 336 penetrates through the inner side of the spring 337, under the pushing action of the spring 337, the end of the limiting lever 334 can be stably inserted into the limiting rod groove 335 during daily use, to ensure the limiting stability of the transverse sliding block 32.

[0027] The top surface of the transverse sliding block 32 is provided with two through holes for the pull rod 336 to pass through, and the through holes are communicated with the inner sliding groove 332.

[0028] The surface of the T-shaped sliding block 35 is provided with a through hole for the limiting clamping rod 334 to pass through.

[0029] The surface of the high-frequency current sensor body 1 is further provided with an operation button 11 relative to one side of the combined connecting mechanism 3.

[0030] The structure principle of the high-frequency current sensor body 1 and the magnetic core coil 2 in the utility model is the known technology which has been disclosed in the prior art, and the specific reference can be made to the prior patent with the publication number CN219224924U, and here, too much repetition is not described.

[0031] Although the embodiments of the utility model have been shown and described (detailed in the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A portable monitoring device for high voltage switchgear, characterized in that: Comprising High-frequency current sensor body (1), magnetic core coil (2) and signal line (4), the signal line (4) is connected between high-frequency current sensor body (1) and magnetic core coil (2); The inside of the magnetic core coil (2) is left with a circular hole for the high-voltage switch cabinet cable to penetrate; And the combination connecting mechanism (3) arranged on the surface of the high-frequency current sensor body (1) includes a cylindrical base (31) fixed on the surface of the high-frequency current sensor body (1) and a transverse sliding block (32) slidingly arranged on the surface of the cylindrical base (31), and further comprising a limiting structure (33).

2. The portable monitoring device for high voltage switchgear according to claim 1, characterized in that: The surface of the cylindrical base (31) is provided with a T-shaped sliding groove (34), and a T-shaped sliding block (35) is slidingly arranged in the T-shaped sliding groove (34), one end of the T-shaped sliding block (35) extends out of the surface of the cylindrical base (31) and is fixed with the transverse sliding block (32).

3. The portable monitoring device for high voltage switchgear according to claim 1, characterized in that: The limiting structure (33) includes an inner sliding groove (332) opened in the transverse sliding block (32), an inner sliding plate (333) slidingly arranged in the inner sliding groove (332), a limiting clamping rod (334) fixed on the bottom surface of the inner sliding plate (333), three limiting rod grooves (335) opened in the inner wall of the T-shaped sliding groove (34), and the bottom end of the limiting clamping rod (334) penetrates the T-shaped sliding block (35) and is inserted into one of the limiting rod grooves (335).

4. The portable monitoring device for high voltage switchgear according to claim 3, characterized in that: The top of the inner sliding plate (333) is fixed with two pull rods (336), and the top ends of the two pull rods (336) penetrate the top of the transverse sliding block (32) and are fixed with a push plate (331).

5. The portable monitoring device for high voltage switchgear according to claim 4, characterized in that: The top of the inner sliding plate (333) is provided with two springs (337), and the pull rod (336) passes through the inner side of the spring (337).

6. The portable monitoring device for high voltage switchgear according to claim 4, characterized in that: The top surface of the transverse sliding block (32) is provided with two through holes for the pull rod (336) to penetrate, and the through holes are communicated with the inner sliding groove (332).

7. The portable monitoring device for high voltage switchgear according to claim 3, characterized in that: The surface of the T-shaped sliding block (35) is provided with a through hole for the limiting clamping rod (334) to penetrate.

8. The portable monitoring device for high voltage switchgear according to claim 1, characterized in that: The surface of the high-frequency current sensor body (1) relative to one side of the combination connecting mechanism (3) is further provided with an operation button (11).

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