CN213457090U - Cable becomes end current drainage cabinet - Google Patents

Cable becomes end current drainage cabinet Download PDF

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Publication number
CN213457090U
CN213457090U CN202021748833.3U CN202021748833U CN213457090U CN 213457090 U CN213457090 U CN 213457090U CN 202021748833 U CN202021748833 U CN 202021748833U CN 213457090 U CN213457090 U CN 213457090U
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China
Prior art keywords
current sensor
power frequency
frequency current
cabinet
cable
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CN202021748833.3U
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Chinese (zh)
Inventor
郭丰明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Keanda Rail Transit Technology Co ltd
Shenzhen Keanda Electronic Technology Co ltd
Original Assignee
Shenzhen Keanda Rail Transit Technology Co ltd
Shenzhen Keanda Electronic Technology Co ltd
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Application filed by Shenzhen Keanda Rail Transit Technology Co ltd, Shenzhen Keanda Electronic Technology Co ltd filed Critical Shenzhen Keanda Rail Transit Technology Co ltd
Priority to CN202021748833.3U priority Critical patent/CN213457090U/en
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Publication of CN213457090U publication Critical patent/CN213457090U/en
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  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The utility model relates to a cable becomes end current drainage cabinet, including monitoring devices, monitoring devices includes the harvester to and power frequency current sensor and the thunder current sensor who links to each other with the harvester, thunder current sensor gathers monitoring lightning current, power frequency current sensor gathers monitoring power frequency current.

Description

Cable becomes end current drainage cabinet
Technical Field
The utility model relates to a signal cable earial drainage technical field that flows especially relates to a cable becomes end current drainage cabinet.
Background
The existing cable leakage monitoring device is only used for monitoring lightning current and is only provided with an internal alarm device, so that accidents already occur when an alarm is given out, the existing cable leakage monitoring device cannot prevent the accidents, is lack of data collection and processing, and cannot perform investigation and prevention according to data.
Disclosure of Invention
In view of the above, it is necessary to provide a cable terminal drainage cabinet with high safety.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a cable becomes end current drainage cabinet, includes monitoring devices, monitoring devices includes the harvester to and power frequency current sensor and the thunder current sensor that links to each other with the harvester, thunder current sensor gathers the monitoring thunder current, power frequency current sensor gathers the monitoring power frequency current.
Furthermore, the shielding layers of the signal cables are electrically connected through a grounding copper bar, and the lightning current sensor and the power frequency current sensor are connected with the grounding copper bar.
Furthermore, the steel belt layers of the signal cables are connected with a steel belt grounding copper strip, the aluminum sheath layers of the signal cables are connected with an aluminum sheath grounding copper strip, and the steel belt grounding copper strip and the aluminum sheath grounding copper strip are both connected with the lightning current sensor and the power frequency current sensor.
Furthermore, the plurality of grounding copper bars are grounded through a bus bar, and the bus bar is commonly provided with the power frequency current sensor and the lightning current sensor.
Furthermore, the acquisition machine is connected with a display screen.
Furthermore, the system also comprises a temperature control fire extinguisher and a temperature sensor, wherein the acquisition machine is respectively connected with the temperature control fire extinguisher and the temperature sensor.
Furthermore, the acquisition machine is connected with an upper computer through an RS485 interface or an RJ45 Ethernet interface.
Furthermore, the collection machine is connected with the power frequency current sensor, the lightning current sensor, the temperature control fire extinguisher and the temperature sensor in a plurality of cable end-to-end drainage cabinets, and the upper computer is connected with a plurality of collection machines.
The beneficial effects of the utility model reside in that: not only can monitor lightning current and can also monitor power frequency current to can gather and handle data in real time through the harvester, just monitor when the current of going into outward does not reach the alarm threshold value, and can arrange and maintain according to data, avoid not in time maintaining the accident that leads to after lightning protection equipment ages.
Drawings
Fig. 1 is a schematic structural diagram of a monitoring device according to an embodiment of the present invention;
fig. 2 is a schematic view of a cable terminating drainage cabinet according to an embodiment of the present invention.
Description of reference numerals:
10. a collecting machine; 20. a power frequency current sensor; 30. a lightning current sensor; 40. a display screen;
50. a temperature-controlled fire extinguisher; 60. a temperature sensor; 70. an upper computer; 80. a power source;
81. an air switch; 100. a signal cable; 110. a steel belt layer; 120. an aluminum jacket layer;
200. a bleed box; 310. a steel strip grounding copper strip; 320. an aluminum sheath grounding copper bar; 400. a bus bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will explain the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-2, a cable terminating drainage cabinet includes a monitoring device, where the monitoring device includes a collector 10, and a power frequency current sensor 20 and a lightning current sensor 30 connected to the collector 10, the lightning current sensor 30 collects and monitors lightning current, and the power frequency current sensor 20 collects and monitors power frequency current.
Not only can monitor lightning current and can also monitor power frequency current to can gather and handle data in real time through collection machine 10, just monitor when the current of going into outward does not reach the alarm threshold value, and can investigate and maintain according to data, avoid not in time maintaining the accident that leads to after lightning protection equipment ages.
Real-time monitoring is realized through the acquisition machine 10, the power frequency current sensor 20 and the lightning current sensor 30, the information of the external current can be mastered in time, corresponding adjustment can be made, and the leakage box 200 or other leakage parts can be maintained and replaced according to statistical data. If the external lightning current is more times, lightning rods can be added around, and the leakage condition can be timely checked by the external power frequency current. By monitoring the changes of the power frequency current and the traction backflow in real time, the leakage condition of the power frequency current and the traction backflow to the cable shielding layer is mastered in time, and reference is provided for field maintenance of outdoor related equipment. It will be appreciated that the lightning current sensor 30 is used to monitor lightning current and the power frequency current sensor 20 is used to monitor power frequency current and traction return.
It will be appreciated that the lightning current sensor 30 and the power frequency current sensor 20 are connected to the shielding of the signal cable 100. It is understood that the shielding layer of the signal cable 100 includes a steel tape layer 110 and an aluminum jacket layer 120.
It can be understood that the signal cable 100 is sleeved with the leakage box 200, and the shielding layer of the signal cable 100 is exposed and connected to the grounding copper bar in the leakage box 200.
Simply, the shielding layer of the signal cable 100 connects the lightning current sensor 30 and the power frequency current sensor 20. As another embodiment of the utility model, a plurality of signal cable 100's shielding layer passes through ground connection copper bar electric connection, and lightning current sensor 30 and power frequency current sensor 20 are connected with the ground connection copper bar. As another embodiment of the present invention, the steel tape layer 110 of the signal cables 100 is connected to a steel tape grounding copper strip 310, the aluminum sheath layer 120 of the signal cables 100 is connected to an aluminum sheath grounding copper strip 320, and the steel tape grounding copper strip 310 and the aluminum sheath grounding copper strip 320 are both connected to the lightning current sensor 30 and the power frequency current sensor 20. As a further embodiment of the present invention, a plurality of grounding copper bars are grounded through the bus bar 400, and the bus bar 400 is commonly provided with a power frequency current sensor 20 and a lightning current sensor 30.
Referring to fig. 1 and 2, the harvester 10 is generally used in conjunction with a human-computer interaction device for viewing monitoring data. Further, the harvester 10 is connected with a display screen 40.
Referring to fig. 1 and 2, the fire extinguisher system further comprises a temperature control fire extinguisher 50 and a temperature sensor 60, and the collecting machine 10 is respectively connected with the temperature control fire extinguisher 50 and the temperature sensor 60. The temperature control fire extinguisher 50 and the temperature sensor 60 are arranged, so that the fire can be extinguished in time when the fire is small, and a serious fire is prevented from being caused. The temperature-controlled fire extinguisher 50 is generally a hot aerosol automatic fire extinguisher.
Referring to fig. 1 and 2, the collecting device 10 is connected to the upper computer 70 through an RS485 interface or an RJ45 ethernet interface. Remote monitoring is facilitated through the upper computer 70.
Simply, the collection machine 10 is connected with a plurality of power frequency current sensors 20, lightning current sensors 30, temperature control fire extinguishers 50 and temperature sensors 60 in the cable end-to-end drainage cabinet, and the upper computer 70 is connected with the collection machines 10. That is, one collection machine 10 is connected with a plurality of cable one-end drainage cabinets, one upper computer 70 is connected with a plurality of collection machines 10, and all data are gathered, analyzed and counted through the upper computer 70, so that the operation condition of each cable one-end drainage cabinet can be conveniently and remotely monitored, and the cost is saved.
It can be understood that the harvester 10 is generally connected with a power supply 80, and the power supply 80 is provided with an air switch 81, so that the safety performance is improved, and the power can be cut off in time when an accident occurs.
It can be understood that the connection between the power frequency current sensor 20 and the lightning current sensor 30 and the shielding layer, the grounding copper bar or the bus bar 400 means that the power frequency current sensor 20 and the lightning current sensor 30 collect signals thereof, and the connection may be a contact connection or a non-contact connection.
To sum up, the utility model provides a pair of cable one-tenth end current drainage cabinet not only can monitor the lightning current and can also monitor the power frequency electric current to can gather and handle data through the harvester in real time, just monitor when the current of going into outward does not reach the alarm threshold value, and can arrange for and maintain according to data, avoid the lightning protection equipment not in time to maintain after ageing to lead to the accident.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims (8)

1. The cable forming-end drainage cabinet is characterized by comprising a monitoring device, wherein the monitoring device comprises a collector, and a power frequency current sensor and a lightning current sensor which are connected with the collector, the lightning current sensor collects and monitors lightning current, and the power frequency current sensor collects and monitors power frequency current.
2. A cable termination cabinet as claimed in claim 1, wherein the shielding layers of the signal cables are electrically connected by a grounded copper bar, the lightning current sensor and the power frequency current sensor being connected to the grounded copper bar.
3. A cable terminating cabinet as claimed in claim 1, wherein the steel strips of the plurality of signal cables are connected to a steel strip grounding copper strip, the aluminum sheaths of the plurality of signal cables are connected to an aluminum sheath grounding copper strip, and the steel strip grounding copper strip and the aluminum sheath grounding copper strip are both connected to the lightning current sensor and the power frequency current sensor.
4. A cable termination cabinet as claimed in claim 1, wherein a plurality of grounding bars are grounded via busbars which together carry a said line frequency current sensor and a said lightning current sensor.
5. A cable termination cabinet as claimed in claim 1, wherein a display screen is connected to the harvester.
6. A cable terminating discharge cabinet as claimed in claim 1, further comprising a temperature controlled fire extinguisher and a temperature sensor, said collection machine being connected to said temperature controlled fire extinguisher and said temperature sensor respectively.
7. A cable terminating drainage cabinet as claimed in claim 6, wherein the collection machine is connected to an upper computer through an RS485 interface or an RJ45 Ethernet interface.
8. The electric cable terminal drainage cabinet of claim 7, wherein the collection machine is connected with the power frequency current sensor, the lightning current sensor, the temperature-controlled fire extinguisher and the temperature sensor in a plurality of electric cable terminal drainage cabinets, and the upper computer is connected with a plurality of collection machines.
CN202021748833.3U 2020-01-10 2020-01-10 Cable becomes end current drainage cabinet Active CN213457090U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021748833.3U CN213457090U (en) 2020-01-10 2020-01-10 Cable becomes end current drainage cabinet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202020052876.1U CN211790696U (en) 2020-01-10 2020-01-10 Cable becomes end current drainage cabinet
CN202021748833.3U CN213457090U (en) 2020-01-10 2020-01-10 Cable becomes end current drainage cabinet

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN202020052876.1U Division CN211790696U (en) 2020-01-10 2020-01-10 Cable becomes end current drainage cabinet

Publications (1)

Publication Number Publication Date
CN213457090U true CN213457090U (en) 2021-06-15

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CN202021748833.3U Active CN213457090U (en) 2020-01-10 2020-01-10 Cable becomes end current drainage cabinet
CN202020052876.1U Active CN211790696U (en) 2020-01-10 2020-01-10 Cable becomes end current drainage cabinet

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Publication number Publication date
CN211790696U (en) 2020-10-27

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