CN220419536U - Cable protection layer grounding monitoring device - Google Patents
Cable protection layer grounding monitoring device Download PDFInfo
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- CN220419536U CN220419536U CN202321855012.3U CN202321855012U CN220419536U CN 220419536 U CN220419536 U CN 220419536U CN 202321855012 U CN202321855012 U CN 202321855012U CN 220419536 U CN220419536 U CN 220419536U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 13
- 239000011241 protective layer Substances 0.000 claims description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of cable protection, and particularly relates to a cable protection layer grounding monitoring device, which comprises a direct grounding box, a cross-connection grounding box, a background server and a management platform; the current transformers and the voltage transformers are respectively arranged on the direct grounding wire and the cross interconnection grounding wire of the three live wires and the zero wire of the three-phase four-wire cable, so that the current and voltage data of the cable grounding can be monitored in real time; and current and voltage data are transmitted to a management platform through a background server, the management platform acquires the current and voltage data and gives an alarm through a local alarm module and a remote alarm module, so that the fault of the cable grounding can be found at the first time, the cable can be timely salvaged, and the safety and stability of the operation of the cable are ensured.
Description
Technical Field
The utility model belongs to the technical field of cable protection, and particularly relates to a cable protection layer grounding monitoring device.
Background
The high-voltage cable generally adopts a single-core cable structure, the outer side of the high-voltage cable is fixed with a metal sheath, and the metal sheath generally adopts a connection mode that one end of the metal sheath is connected with each other and is directly grounded, and the other end of the metal sheath is grounded through a protective layer protector. In the prior art, a direct grounding end, a sheath protector and the like are often assembled in one box body, namely a cable grounding box. The cable protection box comprises a direct grounding box, a cross-connection grounding box and a protection grounding box.
However, the existing cable protection box generally lacks circulation detection and induced voltage monitoring functions, and the cable protection box is inspected through manual inspection, so that the inspection period is long, faults of the cable grounding box are difficult to discover and remove in time, and hidden hazards are brought to safe and stable operation of the high-voltage cable.
Disclosure of Invention
The utility model aims to overcome the defect that the cable protection box in the prior art lacks circulation detection and induced voltage monitoring functions so that hidden danger exists in the operation of a cable, and provides a cable protection layer grounding monitoring device.
The cable protective layer grounding monitoring device comprises a direct grounding box, a cross-connection grounding box, a background server and a management platform;
the three live wires of the three-phase four-wire cable and the metal sheath of a zero wire are respectively connected with the grounding port of the direct grounding box through four direct grounding wires to be grounded; the four direct grounding wires are respectively connected with the four direct grounding current transformers and the four direct grounding voltage transformers;
the three-phase four-wire cable of the multistage is crossed and interconnected and the metal sheaths of three live wires and a zero wire are respectively connected with the grounding port of the crossed interconnection grounding box through four crossed interconnection ground wires to be grounded; the four cross interconnection ground wires are respectively connected with the four cross interconnection ground current transformers and are respectively connected with the four cross interconnection ground voltage transformers;
the background server is connected with the direct grounding current transformer, the direct grounding voltage transformer, the cross interconnection current transformer and the cross interconnection voltage transformer and used for acquiring current and voltage data;
the management platform is connected with the background server and is used for acquiring and displaying current and voltage data; the management platform is connected with the local alarm module and the remote alarm module.
Further, the system also comprises a gas sensor, wherein the gas sensor is arranged in the direct grounding box and the cross-connection grounding box and is connected with the background server.
Further, the gas sensor detects that the detected gas includes oxygen and methane.
Further, the device also comprises a temperature sensor, wherein the temperature sensor is fixed on the surface of the metal sheath and is connected with the background server.
Further, the temperature sensor is provided with a plurality of temperature sensors which are arranged at intervals on the direct grounding wire and the cross interconnection grounding wire.
Further, the local alarm module comprises an audible alarm unit, and the audible alarm unit is used for giving an alarm through an audible signal.
Further, the local alarm module comprises a light alarm unit for giving an alarm through a light signal.
Further, the remote alarm module comprises a short message alarm unit, and is used for sending an alarm through a short message.
Further, the direct grounding current transformer and the cross-interconnection grounding current transformer are electromagnetic current transformers.
Further, the direct grounding voltage transformer and the cross-connection grounding voltage transformer are electromagnetic voltage transformers.
The beneficial effects are that:
1. according to the utility model, the current transformers and the voltage transformers are respectively arranged on the direct grounding wire and the cross interconnection grounding wire of the three live wires and the zero wire of the three-phase four-wire cable, so that the current and voltage data of the cable grounding can be monitored in real time; and current and voltage data are transmitted to a management platform through a background server, the management platform acquires the current and voltage data and gives an alarm through a local alarm module and a remote alarm module, so that the fault of the cable grounding can be found at the first time, the cable can be timely salvaged, and the safety and stability of the operation of the cable are ensured.
2. According to the utility model, through the arrangement of the gas sensor, the gas environments in the direct grounding box and the cross-connection grounding box can be detected in real time, and a dangerous alarm is sent out when the dangerous gas content exceeds a preset threshold value, so that the stability of the cable grounding device is improved; the electromagnetic current transformer and the electromagnetic voltage transformer selected by the utility model have simple structure, are stable and reliable in high-voltage environment, have strong anti-interference capability and have small influence on a power supply circuit.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Detailed Description
In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1, a cable protection layer grounding monitoring device comprises a direct grounding box, a cross-connection grounding box, a background server 2 and a management platform 3;
the grounding box 1 comprises a direct grounding box and a cross-connection grounding box;
the current transformer 11 comprises a direct grounding current transformer and a cross-connection grounding current transformer; the voltage transformer 12 includes a direct ground voltage transformer and a cross-connect ground voltage transformer;
the three live wires of the three-phase four-wire cable and the metal sheath of a zero wire are respectively connected with the grounding port of the direct grounding box through four direct grounding wires to be grounded; the four direct grounding wires are respectively connected with the four direct grounding current transformers and the four direct grounding voltage transformers;
the three-phase four-wire cable of the multistage is crossed and interconnected and the metal sheaths of three live wires and a zero wire are respectively connected with the grounding port of the crossed interconnection grounding box through four crossed interconnection ground wires to be grounded; the four cross interconnection ground wires are respectively connected with the four cross interconnection ground current transformers and are respectively connected with the four cross interconnection ground voltage transformers;
the background server 2 is connected with the direct grounding current transformer, the direct grounding voltage transformer, the cross interconnection current transformer and the cross interconnection voltage transformer and is used for acquiring current and voltage data;
the management platform 3 is connected with the background server 2 and is used for acquiring and displaying current and voltage data; the management platform 3 is connected with the local alarm module 4 and the remote alarm module. Specifically, the management platform 3 includes a PC, and is connected to the background server 2 through a network to obtain current and voltage data and display the current and voltage data on a display.
According to the embodiment, the current transformers and the voltage transformers are respectively arranged on the direct grounding wire and the cross interconnection grounding wire of the three live wires and the zero wire of the three-phase four-wire cable, so that the current and voltage data of the cable grounding can be monitored in real time; and current and voltage data are transmitted to the management platform 3 through the background server 2, the management platform 3 acquires the current and voltage data and gives an alarm through the local alarm module 4 and the remote alarm module, so that the fault of the cable grounding can be found out at the first time, the cable can be timely salvaged, and the safety and stability of the operation of the cable are ensured.
As a further improvement of the present embodiment, a gas sensor is further included, which is disposed in the direct grounding box and the cross-connect grounding box, and is connected to the background server 2. In this embodiment, the gas sensor detects that the detected gas includes oxygen and methane. Through the arrangement of the gas sensor, the gas environment in the direct grounding box and the cross-connection grounding box can be detected in real time, and a dangerous alarm is sent out when the dangerous gas content exceeds a preset threshold value, thereby improving the stability of the cable grounding device,
as a further improvement of the present embodiment, a temperature sensor is further included, and the temperature sensor is fixed on the surface of the metal sheath and is connected to the background server 2. In this embodiment, a plurality of temperature sensors are provided and are arranged at intervals on the direct ground line and the cross-connect ground line. Through the arrangement of the temperature sensor, the gas environment in the direct grounding box and the cross-connection grounding box can be detected in real time, and an overtemperature alarm is sent out when the temperature exceeds a preset threshold value;
in this embodiment, the system further includes an internet of things communication module, where the internet of things communication module is connected to the current transformer, the voltage transformer, the gas sensor and the temperature sensor, and obtains data of the sensors and transmits the data to the background server 2 through a network.
As a further development of the present embodiment, the local alarm module 4 comprises an audible alarm unit for alerting by means of an audible signal. The local alarm module 4 comprises a light alarm unit and is used for giving an alarm through a light signal. In this embodiment, the sound alarm unit is a speaker, and the light alarm unit is an alarm lamp.
Specifically, the remote alarm module comprises a short message alarm unit, and is used for sending an alarm through a short message. And out-of-limit alarm and deflection alarm are defined on the management platform 3, when an alarm occurs, a relevant responsible person receives a short message prompt, and meanwhile, the management platform 3 can store relevant records, so that the checking and alarm records and alarm processing are convenient.
The direct grounding current transformer and the cross-connection grounding current transformer are electromagnetic current transformers. The direct grounding voltage transformer and the cross-connection grounding voltage transformer are electromagnetic voltage transformers. In the embodiment, the electromagnetic current transformer and the electromagnetic voltage transformer are simple in structure, stable and reliable in high-voltage environment, high in anti-interference capability and small in influence on a power supply circuit.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. The cable protection layer grounding monitoring device is characterized by comprising a direct grounding box, a cross-connection grounding box, a background server and a management platform;
the three live wires of the three-phase four-wire cable and the metal sheath of a zero wire are respectively connected with the grounding port of the direct grounding box through four direct grounding wires to be grounded; the four direct grounding wires are respectively connected with the four direct grounding current transformers and the four direct grounding voltage transformers;
the three-phase four-wire cable of the multistage is crossed and interconnected and the metal sheaths of three live wires and a zero wire are respectively connected with the grounding port of the crossed interconnection grounding box through four crossed interconnection ground wires to be grounded; the four cross interconnection ground wires are respectively connected with the four cross interconnection ground current transformers and are respectively connected with the four cross interconnection ground voltage transformers;
the background server is connected with the direct grounding current transformer, the direct grounding voltage transformer, the cross interconnection current transformer and the cross interconnection voltage transformer and used for acquiring current and voltage data;
the management platform is connected with the background server and is used for acquiring and displaying current and voltage data; the management platform is connected with the local alarm module and the remote alarm module.
2. The cable protective layer grounding monitoring device according to claim 1, further comprising a gas sensor disposed in the direct grounding box and the cross-connect grounding box and connected to the background server.
3. The cable protective layer grounding monitoring device of claim 2, wherein said gas sensor detects that the detected gas comprises oxygen and methane.
4. The cable protective layer grounding monitoring device according to claim 1, further comprising a temperature sensor, wherein the temperature sensor is fixed on the surface of the metal sheath and is connected with the background server.
5. The cable protective layer grounding monitoring device according to claim 4, wherein a plurality of temperature sensors are provided, and are arranged at intervals on the direct grounding line and the cross-connect grounding line.
6. The cable protective layer grounding monitoring device according to claim 1, wherein the local alarm module comprises an audible alarm unit for alerting by an audible signal.
7. The cable protective layer grounding monitoring device according to claim 1, wherein the local alarm module comprises a light alarm unit for giving an alarm by a light signal.
8. The cable protective layer grounding monitoring device according to claim 1, wherein the remote alarm module comprises a short message alarm unit for sending an alarm via a short message.
9. The cable protective layer grounding monitoring device of claim 1, wherein said direct grounding current transformer and said cross-connect grounding current transformer are electromagnetic current transformers.
10. The cable protective layer grounding monitoring device of claim 1, wherein the direct grounding voltage transformer and the cross-connect grounding voltage transformer are electromagnetic voltage transformers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855012.3U CN220419536U (en) | 2023-07-14 | 2023-07-14 | Cable protection layer grounding monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321855012.3U CN220419536U (en) | 2023-07-14 | 2023-07-14 | Cable protection layer grounding monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419536U true CN220419536U (en) | 2024-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321855012.3U Active CN220419536U (en) | 2023-07-14 | 2023-07-14 | Cable protection layer grounding monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419536U (en) |
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2023
- 2023-07-14 CN CN202321855012.3U patent/CN220419536U/en active Active
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