CN218865952U - Cable sheath grounding circulation on-line monitoring device - Google Patents

Abstract

The utility model discloses a cable sheath ground connection circulation on-line monitoring device, including the monitoring case and be located the inside data acquisition unit of monitoring case, the bottom fixedly connected with multiunit data acquisition of monitoring case connects, the data acquisition connects and is connected with the data acquisition unit electricity, the monitoring case is equipped with the installing port, there is the chamber door one side that lies in the installing port on the monitoring case through first torsional spring hinge connection, monitoring bottom of the case portion has the guard box through first torsional spring hinge connection, monitoring case one side fixedly connected with fixes the case, be equipped with the spacing subassembly of first spacing subassembly and second on the fixed case, the spacing chamber door of first spacing subassembly, the spacing guard box of the spacing subassembly of second. The utility model has the advantages of be convenient for maintain the maintenance, guarantee that data transmission is stable, its mainly used data monitoring.

Description

Cable sheath grounding circulation on-line monitoring device

Technical Field

The utility model relates to a sheath circulation monitoring devices technical field, specific cable sheath ground connection circulation on-line monitoring device that says so.

Background

The metal sheath of the high-voltage cable is an important component of the cable, when the cable passes through current, circulation current can be generated on the metal sheath, the abnormal phenomenon of sheath circulation can be caused by poor insulation state of the outer sheath, poor grounding, incorrect grounding mode of the metal sheath and the like, and the operation safety of the cable is seriously threatened. When the circulation of the metal sheath of the cable is abnormal, various hazards can be generated, such as local high-temperature loss heating of cable insulation, accelerated insulation aging and reduced service life of the cable, and in case of serious conditions, the cable is directly broken down to break down the ground fault, so that the cable sheath is damaged. The multi-point grounding phenomenon occurs, the current-carrying capacity is directly influenced, and larger electric energy damage is generated.

The current prediction mode of the sheath loop current is that a current sensor is arranged on a cable sheath earth wire, and the current sensor and a monitoring device (mainly perform data acquisition, analysis and transmission work) are arranged, for example, the notice number CN 209327482U discloses an on-line monitoring device of the cable sheath earth loop current, which comprises an upper cover, a front panel, a base, a rear panel, a common intelligent host, an indicator lamp, a fixed hole, a fixed groove, a battery interface, a solar interface, a loop current interface, a first serial port, a second serial port, a first power output port, a second power output port, a 485 interface, a CAN interface, a defense area interface, a SIM card slot, a dial switch, an antenna interface and a reset button;

the above-described apparatus, however, also has the following drawbacks:

1. when the device is maintained and repaired, the front panel needs to be disassembled and is fixed through the bolt, so that the disassembly is not carried out by means of tools, and the maintenance and the repair are very inconvenient;

2. the circulating interface for connecting the data transmission line is located outside, and after the data line of the current sensor is connected with the circulating interface, the connecting part can be loosened or removed badly due to moisture, dust, shaking and the like because the connecting part is exposed outside for a long time, so that the stability of data transmission is greatly influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a cable sheath ground connection circulation on-line monitoring device convenient to maintain, guarantee that data transmission is stable.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides a cable sheath ground connection circulation on-line monitoring device, includes the monitoring case and is located the inside data acquisition unit of monitoring case, the bottom fixedly connected with multiunit data acquisition of monitoring case connects, the data acquisition connect with the data acquisition unit electricity is connected, the monitoring case is equipped with the installing port, be located on the monitoring case one side of installing port has the chamber door through first torsional spring hinge connection, monitoring bottom of the case portion has the guard box through first torsional spring hinge connection, monitoring case one side fixedly connected with fixed case, be equipped with the spacing subassembly of first spacing subassembly and second on the fixed case, it is spacing that first spacing subassembly is spacing the chamber door, the spacing subassembly of second is spacing the guard box.

In the technical scheme, a plurality of groups of threading openings are formed in the protection box, and each group of threading openings are internally and fixedly connected with sealing rubber rings.

In the technical scheme, a first limiting plate is fixedly connected to the end side of the box door, a first limiting hole is formed in the first limiting plate, the first limiting plate penetrates into the fixed box, and the first limiting component is matched with the first limiting hole to limit the box door.

In the above technical scheme, a second limiting plate is fixedly connected to the protection box, a second limiting hole is formed in the second limiting plate, the second limiting plate penetrates into the fixed box, and the second limiting assembly is matched with the second limiting hole to achieve limiting of the protection box.

In the technical scheme, the first limiting assembly comprises a limiting column, a spring and a handle, the limiting column is connected to the fixed box in a sliding mode, the spring is sleeved on an area, located inside the fixed box, of the limiting column, a circular plate is fixedly connected to one end of the spring, one end of the spring is fixedly connected with the circular plate, the other end of the spring is fixedly connected with the inside of the fixed box, the handle is fixedly connected to the end, located outside, of the limiting column, and the end, located inside the fixed box, of the limiting column penetrates into the first limiting hole.

In the above technical solution, the second limiting component has the same structure as the first limiting component.

In the above technical scheme, a plurality of groups of installation pieces are fixedly connected to the monitoring box.

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

1. the handle of the first limiting assembly is pulled, so that the spring is compressed, and then the limiting column is separated from the first limiting hole of the box door, so that the box door can be automatically opened under the action of the first torsion spring hinge, and the inside of the box door is maintained and repaired;

2. the bottom of the monitoring box is hinged with a protection box, so that a data transmission line of the high-voltage current sensor can pass through the threading port to be connected with the data acquisition interface, and then the protection box is buckled, so that the connection part of the data acquisition interface and the data transmission line can be protected, data transmission faults caused by humidity and dust are avoided, and data transmission is stable;

3. the guard box is articulated through the second torsional spring hinge, through the handle of the spacing subassembly of pulling second, can make compression spring then make spacing post deviate from the spacing downthehole of second of guard box, like this under the effect of second torsional spring hinge, alright make the guard box automatic open to change, maintain internal interface, this kind of mode of opening has convenient effect with the chamber door is the same.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

fig. 3 is a schematic structural view of a first limiting component in the present invention;

fig. 4 is a schematic structural view of the middle protective box of the present invention.

In the figure: the device comprises a monitoring box 1, a data acquisition unit 2, an installation sheet 3, a data acquisition joint 4, an installation port 5, a box door 6, a protection box 7, a fixed box 8, a first limiting component 9, a second limiting component 10, a threading port 11, a sealing rubber ring 12, a first limiting plate 13, a second limiting hole 14, a limiting column 15, a spring 16, a handle 17, a circular plate 18, a second limiting plate 19 and a first limiting hole 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, an on-line monitoring device for ground circulation of a cable sheath comprises a monitoring box 1 and a data acquisition unit 2 located inside the monitoring box 1, wherein a plurality of groups of installation sheets 3 convenient to install are fixedly connected to the monitoring box 1, a plurality of groups of data acquisition joints 4 are fixedly connected to the bottom of the monitoring box 1, the data acquisition joints 4 are electrically connected with the data acquisition unit 2, the monitoring box 1 is provided with an installation opening 5, one side of the monitoring box 1 located at the installation opening 5 is connected with a box door 6 through a first torsion spring hinge, the bottom of the monitoring box 1 is connected with a protection box 7 through a first torsion spring hinge, one side of the monitoring box 1 is fixedly connected with a fixed box 8, the fixed box 8 is provided with a first limiting component 9 and a second limiting component 10, the first limiting component 9 limits the box door 6, the second limiting component 10 limits the protection box 7, meanwhile, the protection box 7 is provided with a plurality of threading openings 11 used for connection of data lines, and a sealing rubber ring 12 is fixedly connected in each group of threading openings 11, thus, after a data line passes through the threading opening 11, the sealing rubber ring 12 can tightly realize sealing and loosening of the data line can also avoid loosening.

In this embodiment, a first limiting plate 13 is fixedly connected to an end side of the box door 6, a first limiting hole 20 is formed in the first limiting plate 13, the first limiting plate 13 penetrates into the fixed box 8, the first limiting component 9 is matched with the first limiting hole 20 to limit the position of the box door 6, particularly, the first limiting component 9 comprises a limiting column 15, a spring 16 and a handle 17, the limiting column 15 is slidably connected to the fixed box 8, the spring 16 is sleeved on an area where the limiting column 15 is located inside the fixed box 8, one end of the spring 16 is fixedly connected to a circular plate 18 on the limiting column 15, one end of the spring 16 is fixedly connected to the circular plate 18, the other end of the spring is fixedly connected to the inside of the fixed box 8, the limiting column 15 is located at the handle 17, and an end of the limiting column 15 located inside the fixed box 8 penetrates into the first limiting hole 20.

Similarly, in this embodiment, fixedly connected with second limiting plate 19 is equipped with the spacing hole of second 14 on the second limiting plate 19 on the guard box 7, and in second limiting plate 19 penetrated fixed case 8, spacing subassembly 10 of second matched with the spacing hole of second 14 and realized the spacing of guard box 7, and the spacing subassembly 10 of second was the same with first spacing subassembly 9 structure, and spacing principle is the same promptly.

To sum up, the embodiment discloses a cable sheath ground connection circulation on-line monitoring device, it is through pulling the handle 17 of first spacing subassembly 9, can make compression spring 16, make spacing post 15 deviate from in the first spacing hole 20 of chamber door 6 then, like this under the effect of first torsion spring hinge, alright make chamber door 6 open automatically, thus to maintain the maintenance to the inside, and it has protection box 7 to articulate in the bottom of monitoring box 1, like this high-voltage current sensor's data transmission line can pass through threading mouth 11 and be connected with the data acquisition interface, later with protection box 7 lock, alright protect data acquisition interface and data transmission line connection position like this, avoid causing the data transmission trouble because of humidity, dust, thus data transmission is stable, and similarly, protection box 7 articulates through the second torsion spring hinge, through pulling the handle 17 of second spacing subassembly 10, can make compression spring 16, make spacing post 15 deviate from in the second spacing hole 14 of protection box 7 then, like this under the effect that the effect can make protection box 7 open automatically, thereby to the inside change, this kind of maintenance is the same as the convenient mode of opening chamber door.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (7)

1. The utility model provides a cable sheath ground connection circulation on-line monitoring device, includes monitoring box (1) and is located monitoring box (1) inside data acquisition unit (2), the bottom fixedly connected with multiunit data acquisition of monitoring box (1) connects (4), data acquisition connect (4) with data acquisition unit (2) electricity is connected, its characterized in that: monitoring case (1) is equipped with installing port (5), monitoring case (1) is last to be located there is chamber door (6) one side of installing port (5) through first torsional spring hinge connection, monitoring case (1) bottom has guard box (7) through first torsional spring hinge connection, monitoring case (1) one side fixedly connected with fixed case (8), be equipped with first spacing subassembly (9) and second spacing subassembly (10) on fixed case (8), first spacing subassembly (9) are spacing chamber door (6), second spacing subassembly (10) are spacing guard box (7).

2. The on-line monitoring device for the grounding circulation of the sheath as claimed in claim 1, wherein: the protective box (7) is provided with a plurality of groups of threading openings (11), and each group of threading openings (11) is internally and fixedly connected with a sealing rubber ring (12).

3. The on-line monitoring device for the grounding circulation of the sheath as claimed in claim 1, wherein: the lateral side of the box door (6) is fixedly connected with a first limiting plate (13), a first limiting hole (20) is formed in the first limiting plate (13), the first limiting plate (13) penetrates into the fixed box (8), and a first limiting component (9) is matched with the first limiting hole (20) to achieve limiting of the box door (6).

4. The on-line monitoring device for the grounding circulation of the sheath as claimed in claim 3, wherein: fixedly connected with second limiting plate (19) is gone up in guard box (7), be equipped with spacing hole of second (14) on second limiting plate (19), second limiting plate (19) penetrate in fixed case (8), the spacing subassembly of second (10) with spacing hole of second (14) match the realization the spacing of guard box (7).

5. The on-line monitoring device for the grounding circulation of the sheath as claimed in claim 4, wherein: first spacing subassembly (9) are including spacing post (15), spring (16) and handle (17), spacing post (15) sliding connection be in on fixed case (8), spacing post (15) are located the inside regional cover of fixed case (8) has spring (16), lie in on spacing post (15) the one end fixedly connected with plectane (18) of spring (16), spring (16) one end with plectane (18) fixed connection, the other end with fixed case (8) inside fixed connection, spacing post (15) are located external tip fixedly connected with handle (17), the tip that spacing post (15) are located fixed case (8) penetrates in first spacing hole (20).

6. The on-line monitoring device for the grounding circulation of the sheath as claimed in claim 5, wherein: the second limiting component (10) is the same as the first limiting component (9) in structure.

7. The on-line monitoring device for the grounding circulation of the cable sheath according to claim 4, wherein: the monitoring box (1) is fixedly connected with a plurality of groups of installation sheets (3).

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