CN110829192A - Be applied to cable pit of looped netowrk cabinet and remove tide and early warning device - Google Patents
Be applied to cable pit of looped netowrk cabinet and remove tide and early warning device Download PDFInfo
- Publication number
- CN110829192A CN110829192A CN201911118310.2A CN201911118310A CN110829192A CN 110829192 A CN110829192 A CN 110829192A CN 201911118310 A CN201911118310 A CN 201911118310A CN 110829192 A CN110829192 A CN 110829192A
- Authority
- CN
- China
- Prior art keywords
- main unit
- cabinet
- ring main
- dehumidifying
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 238000007791 dehumidification Methods 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drying Of Gases (AREA)
Abstract
The invention relates to a cable trench dehumidification and early warning device applied to a ring main unit, which comprises: the system comprises secondary blocking walls and a dehumidifying cabinet, wherein the secondary blocking walls are arranged in cable trenches at two sides of the ring main unit and are positioned at the outer side of the blocking walls of the ring main unit, and the dehumidifying cabinet is arranged on the cable trench between each secondary blocking wall and the adjacent blocking wall of the ring main unit; the dehumidification cabinet wholly be upper and lower open-ended box structure, its lower part opening links firmly and communicates with each other with the cable pit, is provided with the guard plate above its upper portion opening, is provided with the air discharge fan in the dehumidification cabinet upper portion opening, is provided with humidity transducer and smoke on the open-ended inner wall in lower part and feels the detector. According to the invention, the secondary blocking wall is arranged in the cable trench communicated with the ring main unit, so that the fireproof and damp-proof capabilities of the ring main unit are improved, and the dehumidifying equipment with the smoke early warning function is arranged between the secondary blocking wall and the ring main unit blocking wall, so that the early warning of the fault of a cable line is realized on the basis of improving the dehumidifying effect of the ring main unit.
Description
Technical Field
The invention relates to a laying technology of power cables, in particular to a cable trench dehumidification and early warning device applied to a ring main unit.
Background
The cable trench is an underground pipeline for laying and replacing electric power or telecommunication cable facilities and is also an enclosure structure of laid cable facilities, has pipeline structure forms of rectangle, circle, arch and the like, and is the mainstream of modern urban underground line network construction. The main cable is generally laid in the cable trench, and when a branch line needs to be branched, a ring main unit is usually arranged on the ground surface, and the voltage is adjusted and the branch line is arranged through the ring main unit. At present, the moisture in the ring main unit above the cable trench in the urban area is large, especially in winter, water drops float on primary equipment and secondary equipment, so that secondary signal false alarm and primary equipment short circuit are caused, the ring main unit and the cable incoming line are well sealed, but the moisture can still enter; in addition, the cable trench is provided with blocking partition walls at the positions of the cable trench entering and exiting the ring main unit, so that smoke and fire can be prevented from spreading and diffusing into the ring main unit when the cable is on fire, small animals can be prevented from entering the ring main unit, and when a circuit is on fire, corresponding observation and early warning equipment is not provided, so that equipment in the ring main unit is often damaged to a certain extent, and then alarm warning is given.
Disclosure of Invention
The invention aims to provide a cable trench dehumidification and early warning device applied to a ring main unit.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a be applied to cable pit dehumidification and early warning device of looped netowrk cabinet, includes: the system comprises secondary blocking walls and a dehumidifying cabinet, wherein the secondary blocking walls are arranged in cable trenches at two sides of the ring main unit and are positioned at the outer side of the blocking walls of the ring main unit, and the dehumidifying cabinet is arranged on the cable trench between each secondary blocking wall and the adjacent blocking wall of the ring main unit; the whole box structure that is upper and lower open-ended that is of dehumidification cabinet, its lower part opening links firmly and communicates with each other with the cable pit, and its upper portion opening top is provided with the guard plate, is provided with the air discharge fan in the dehumidification cabinet upper portion opening, is provided with humidity transducer and smoke on the open-ended inner wall of lower part and feels the detector, the control circuit and the control system electric connection who sets up in the looped netowrk cabinet of air discharge fan, humidity transducer passes through the switch of control system control air discharge fan, the smoke feels the detector and the fire control system electric connection of looped netowrk cabinet.
The protection plate and the upper opening of the dehumidification cabinet are provided with a net-shaped protection cover, the upper end of the protection cover is fixedly connected with the protection plate, and the lower end of the protection cover is fixedly connected with the upper end of the dehumidification cabinet.
The dehumidification cabinet in still be provided with the protection network in its upper portion opening, the protection network sets up the top at the air discharge fan.
The dehumidifying cabinet is arranged above the cable trench in a spanning mode, and mounting plates fixedly connected with the ground are arranged on the lower portions of the two sides of the dehumidifying cabinet.
The invention has the beneficial effects that: according to the invention, the secondary blocking wall is arranged in the cable trench communicated with the ring main unit, so that the fireproof and damp-proof capabilities of the ring main unit are improved, and the dehumidifying equipment with the smoke early warning function is arranged between the secondary blocking wall and the ring main unit blocking wall, so that the early warning of the fault of a cable line is realized on the basis of improving the dehumidifying effect of the ring main unit.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a side schematic view of the moisture-proof cabinet.
In the figure, 1, a secondary blocking wall, 2, a dehumidification cabinet, 3, a ring main unit, 4, a cable trench, 5, a ring main unit blocking wall, 6, a protection plate, 7, an exhaust fan, 8, a humidity sensor, 9, a smoke detector, 10, a protection cover, 11, a protection net, 12 and a mounting plate.
Detailed Description
The invention is described in further detail below with reference to the drawings.
As shown in fig. 1 and fig. 2, a cable trench dehumidification and early warning device applied to ring main unit includes: the device comprises secondary blocking walls 1 and dehumidifying cabinets 2, wherein the secondary blocking walls 1 are arranged in cable trenches 4 on two sides of a ring main unit 3 and are positioned on the outer sides of the ring main unit blocking walls 5, and the dehumidifying cabinet 2 is arranged on the cable trench 4 between each secondary blocking wall 1 and the adjacent ring main unit blocking wall 5; remove damp cabinet 2 whole be upper and lower open-ended box structure, its lower part opening links firmly and communicates with each other with cable pit 4, and its upper portion opening top is provided with guard plate 6, removes to be provided with air discharge fan 7 in the 2 upper portion openings of damp cabinet, is provided with humidity transducer 8 and smoke detector 9 on the lower part open-ended inner wall, the control circuit and the control system electric connection who sets up in looped netowrk cabinet 3 of air discharge fan 7, humidity transducer 8 passes through the switch of control system control air discharge fan 7, smoke detector 9 and the fire control system electric connection of looped netowrk cabinet. In the above structure, the power supply of the exhaust fan 7 can be directly led out from the ring main unit 3, and the smoke detector 9 can be electrically connected with the fire control unit of the ring main unit 3 or directly electrically connected with the control host of the fire control room.
The protection plate 6 and the upper opening of the dehumidifying cabinet 2 are provided with a netted protection cover 10, the upper end of the protection cover 10 is fixedly connected with the protection plate 6, and the lower end of the protection cover is fixedly connected with the upper end of the dehumidifying cabinet 2. The purpose is to prevent the entry of foreign matter.
A protective net 11 is further arranged in an opening at the upper part of the dehumidifying cabinet 2, and the protective net 11 is arranged above the exhaust fan 7. Further preventing the entry of foreign matter.
The dehumidifying cabinet 2 is arranged above the cable trench in a spanning mode, and mounting plates 12 fixedly connected with the ground are arranged on the lower portions of the two sides of the dehumidifying cabinet 2. The mounting panel can be pour in ground, also can fix subaerial through rag bolt.
The present invention is not described in detail in the prior art.
Claims (4)
1. The utility model provides a be applied to cable pit dehumidification and early warning device of looped netowrk cabinet, includes: secondary shutoff wall (1) and remove damp cabinet (2), characterized by: the secondary blocking walls (1) are arranged in the cable trenches (4) at two sides of the ring main unit (3) and are positioned at the outer sides of the ring main unit blocking walls (5), and the moisture removal cabinet (2) is arranged on the cable trench (4) between each secondary blocking wall (1) and the adjacent ring main unit blocking wall (5); remove damp cabinet (2) whole be upper and lower open-ended box structure, its lower part opening links firmly and communicates with each other with cable pit (4), and its upper portion opening top is provided with guard plate (6), removes to be provided with air discharge fan (7) in damp cabinet (2) upper portion opening, is provided with humidity transducer (8) and smoke on the open-ended inner wall in lower part and feels detector (9), the control circuit of air discharge fan (7) and the control system electric connection who sets up in looped netowrk cabinet (3), humidity transducer (8) are through the switch of control system control air discharge fan (7), smoke is felt detector (9) and looped netowrk cabinet's fire control system electric connection.
2. The cable trench dehumidifying and early warning device applied to the ring main unit as claimed in claim 1, wherein: the protection plate (6) and the upper opening of the dehumidifying cabinet (2) are provided with a netted protection cover (10), the upper end of the protection cover (10) is fixedly connected with the protection plate (6), and the lower end of the protection cover is fixedly connected with the upper end of the dehumidifying cabinet (2).
3. The cable trench dehumidifying and early warning device applied to the ring main unit as claimed in claim 1, wherein: a protective net (11) is further arranged in an opening at the upper part of the dehumidifying cabinet (2), and the protective net (11) is arranged above the exhaust fan (7).
4. The cable trench dehumidifying and early warning device applied to the ring main unit as claimed in claim 1, wherein: the dehumidifying cabinet (2) is arranged above the cable trench (4) in a spanning mode, and mounting plates (12) fixedly connected with the ground are arranged on the lower portions of the two sides of the dehumidifying cabinet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118310.2A CN110829192A (en) | 2019-11-15 | 2019-11-15 | Be applied to cable pit of looped netowrk cabinet and remove tide and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118310.2A CN110829192A (en) | 2019-11-15 | 2019-11-15 | Be applied to cable pit of looped netowrk cabinet and remove tide and early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110829192A true CN110829192A (en) | 2020-02-21 |
Family
ID=69555636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911118310.2A Pending CN110829192A (en) | 2019-11-15 | 2019-11-15 | Be applied to cable pit of looped netowrk cabinet and remove tide and early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110829192A (en) |
-
2019
- 2019-11-15 CN CN201911118310.2A patent/CN110829192A/en active Pending
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |