CN205811496U - Lay the radioprotective subway tunnel structure of high tension cable - Google Patents
Lay the radioprotective subway tunnel structure of high tension cable Download PDFInfo
- Publication number
- CN205811496U CN205811496U CN201620105883.7U CN201620105883U CN205811496U CN 205811496 U CN205811496 U CN 205811496U CN 201620105883 U CN201620105883 U CN 201620105883U CN 205811496 U CN205811496 U CN 205811496U
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- China
- Prior art keywords
- cable
- tunnel
- radioprotective
- high tension
- space
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of radioprotective subway tunnel structure laying high tension cable, including subway tunnel, be arranged on described subway tunnel roadbed in space, cable tunnel and metallic conductor radioprotective fluid drainage layer, described cable tunnel is spatially located at the lower section of metallic conductor radioprotective fluid drainage layer, cable tunnel is provided with access path in space, space, cable tunnel is vertically arranged with radioprotective communication cable passage and high-voltage cable support, described radioprotective communication cable passage is equipped with communication cable, described high-voltage cable support is equipped with high tension cable.This utility model is widely portable to carry out laying of high tension cable or communication cable with traffic tunnel, while Appropriate application tunnel space saves extra expenses, can effectively avoid harm subway safe operation brought due to high tension cable electromagnetic radiation, thus not only can ensure that metro safety runs, and has the advantages such as anticorrosion, anti-electromagnetic radiation, vibrationproof, safety simultaneously.
Description
Technical field
This utility model relates to tunnel structure layout, particularly relates to a kind of calculation with subway transportation and lays more than 220kV height
The radioprotective tunnel structure of voltage cable.
Background technology
Along with the fast development in city and improving constantly view requirement, urban underground space has been increasingly becoming on the ground
The extension in space, Underground Space Resource highlights preciousness.For meeting urban development requirement, planning construction " resource-conserving, environment friend
Good type " electrical network, cracks a passage route selection difficult problem, utilizes municipal public use tunnel to lay high tension cable and be widely adopted.Utilize
Subway excess room is laid high tension cable high pressure and is had vast potential for future development.It is necessary high tension cable is applied with the common of subway
If being designed and implementing.Power cable layer in narrow and small subway tunnel space, high tension cable jointly laying with subway
Problems with will be brought: the stray electrical current in track traffic tractive power supply system has harm to high tension cable and adnexa；High
Communication cable, public subway tunnel space and other subway equipment can be brought by generation power frequency electromagnetic field in space by voltage cable around
Electromagnetic radiation；The dynamic effect that cable cleat and cable itself etc. are produced by express locomotive vibration during subway circulation.
Owing to subterranean tunnel pipeline density is high, cost is high, and the electromagnetic radiation simultaneously produced by high tension cable is to subway equipment
And tunnel structure produces harm, stray electrical current also can produce corrosion harmfulness to high tension cable and other metal pipe lines simultaneously.Cause
This, designing a kind of high tension cable with radioprotective is the most necessary with the tunnel layout structure that subway is deposited.
Utility model content
Technical problem: the purpose of this utility model be to provide a kind of connection and reasonable arrangement, can radioprotective, Appropriate application space apply
If the radioprotective subway tunnel structure of high tension cable.
Technical scheme: the radioprotective subway tunnel structure laying high tension cable of the present utility model, including subway tunnel, sets
Put the space, cable tunnel in the roadbed of described subway tunnel and metallic conductor radioprotective fluid drainage layer, space, described cable tunnel
It is positioned at the lower section of metallic conductor radioprotective fluid drainage layer, space, cable tunnel is provided with access path, along vertical in space, cable tunnel
To being provided with radioprotective communication cable passage and high-voltage cable support, described radioprotective communication cable passage is equipped with communication electricity
Cable, described high-voltage cable support is equipped with high tension cable.
Further, this utility model lays in the radioprotective subway tunnel structure of high tension cable, metallic conductor radioprotective
Fluid drainage layer is made up of metal material wire, is arranged between subway long rails and space, cable tunnel.
Further, this utility model lays in the radioprotective subway tunnel structure of high tension cable, and high tension cable is along high pressure
Cable bearer carries out circulating picture-changing phase after often laying certain distance.
Further, this utility model lays in the radioprotective subway tunnel structure of high tension cable, space, cable tunnel
Outer wrap has radiation protective layer.
Described cable tunnel building iron cement layer is made up of concrete and reinforcing bar.
Described metallic conductor radioprotective fluid drainage layer is made up of longitudinal metal wire, and multipoint earthing also carries out longitudinally connected,
Realize netted connection, it is achieved shielding electromagnetic interference and the dual function of drainage.
Be respectively provided with the communication cable passage of a radioprotective on described reinforced concrete layer left and right sides wall and 3 can vibrationproof
Dynamic cable bearer.
What described radioprotective communication cable passage was arranged on radiation protective layer most goes up two ends, disconnected left and right, lays communication cable,
Reduce the radiation to communication cable.
Described 220kV high tension cable and high-voltage cable joint are separately positioned on the vibrationproof cable bearer of the right and left,
Reduce the subway circulation vibration effect to cable.
Described loop, 220kV high tension cable left and right is respectively adopted different phase sequence structure.Threephase cable in the same circuit
Line, adjusts phase sequence position according to phase sequence arrangement after laying certain distance.
Described cable tunnel central space sets up People's Bank of China's access path.
Beneficial effect: this utility model compared with prior art, has the advantage that
A kind of radioprotective subway tunnel structure laying more than 220kV high tension cable of this utility model, is widely portable to
Lay in the engineering of high tension cable with subway, existing subway tunnel structure exists that the layout of high tension cable is overstocked, layout does not conforms to
The problems such as reason, and the problems such as the electromagnetic radiation that high tension cable brings can not be taken into account simultaneously.In existing subway tunnel structure, high
Pressure transmission of electricity threephase cable midway not commutation, each relatively electric capacity causing cable run is asymmetric, the terminal voltage meeting of this phase line
Occur serious uneven, affect the conveying quality of electric energy, electrical equipment is had a negative impact.This utility model is at subway tunnel
In the threephase cable laid processes of structure, during longitudinal cabling, every a segment distance, threephase cable is carried out commutation
Arrange, so that it is guaranteed that power transmission cable triphase parameter balance, improve electric energy transmission quality, so that it is guaranteed that electrical equipment safety and stability
Run.This utility model not only Appropriate application space of subway tunnel, is saved additionally by rational high tension cable layout
Lay the tunnel toll use opened for high tension cable, the communication equipment etc. within subway carries out electromagnetic protection simultaneously, thus reaches
Make high tension cable rationally distributed, and purpose subway safe operation worked the mischief because of electromagnetic radiation can be prevented, have anti-
Burn into anti-electromagnetic radiation, vibrationproof, the advantage such as waterproof.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in this utility model tunnel structure cross section.
Fig. 2 is tunnel longitudinal direction cabling commutation second stage structure chart.
Fig. 3 is tunnel longitudinal direction cabling commutation phase III structure chart.
Figure has: 1, radiation protective layer；2, metallic conductor radioprotective fluid drainage layer；3, high tension cable；4, space, cable tunnel；5、
Radioprotective communication cable passage；6, high-voltage cable support.
Detailed description of the invention
Below in conjunction with embodiment and Figure of description, this utility model is further described.
As it is shown in figure 1, a kind of radioprotective subway tunnel structure laying more than 220KV high tension cable, including roadbed；Metal
Conductor radioprotective fluid drainage layer 2；High tension cable 3；Space, cable tunnel 4；Radioprotective communication cable passage 5；Vibrationproof high tension cable props up
Frame 6.
Integral cable tunnel of the present utility model is positioned at the reinforced concrete layer composition of Metro Space tunnel underlying space
In roadbed, metallic conductor radioprotective fluid drainage layer 2 is embedded between cable tunnel and subway tunnel space, carries out at a distance
Grounding connection, can carry out lateral connection between longitudinal wire.Using the wire of metal material, the direction of advance with subway tunnel is longitudinal
Arrangement is laid.It lays position between subway tunnel public space and cable tunnel.Each longitudinal metal wire use every
Section multipoint earthing, realizes the lateral connection between line by earth point, forms equivalent network structure.This structure can shield high-tension electricity
Cable low frequency electromagnetic disturbs, and reduces high tension cable and runs and under fault on public space in subway tunnel and the impact of the equipment of operation.
Meanwhile, DC power-supply system stray electrical current can be reduced to high tension cable and other metals as the drainage net of DC traction system
The laying effect of facility.Vibrationproof high-voltage cable support 6 uses longitudinal parallel arranged to be installed on the wall of reinforced concrete layer, left
Right each 3 times high tension cables 3 are placed on vibrationproof high-voltage cable support 6.Use two groups of three-phase high-voltage cable layout structures, often organize electricity
Cable vertical direction is arranged in parallel, and same parallel position cable uses different phase sequence, can realize the mutual weakening of transient magnetic field, reduce
Superposition magnetic field size.Often organize cable after laying certain distance with group cable employing along direction, tunnel and be circulated commutation, specifically side
Formula: the tunnel longitudinal direction cabling commutation first stage arranges structure A-B-C three-phase and arranges, after laying a segment distance, tunnel longitudinally applies
If cable commutation second stage arranges structure C-A-B, then lays the tunnel longitudinal direction cabling commutation phase III after a segment distance
Arranging structure B-C-A, connecing the tunnel longitudinal direction cabling commutation first stage the most again arranges structure, and three phases is propped up by cable
Frame commutation structure is configured.Can reduce the longitudinal induction kinetic potential of the wire arranged in parallel to other and high tension cable, it is right to reduce
The impact of communication cable, underground railway track and direct current supply line.Its commutation distance can require according to current-carrying capacity of cable design, other
Circuit row distance and lay overall length and be determined.Cable tunnel is provided above communication cable, it is achieved to tunnel environment and
The monitoring of cable running status, uses metallic box type structure, reduces high tension cable and disturbs the low frequency electromagnetic of this communication cable.As
Shown in Fig. 2 and Fig. 3.People's Bank of China's access path 4 is arranged in the middle part of tunnel, to realize cable installation, overhaul and safeguard.In cable tunnel
The superiors arrange communication cable passage 6, and communication cable passage 6 uses box-like metal material, is placed on vibration-proof mounting, communication electricity
Cable is fixed on to be put in radioprotective communication cable passage, it addition, drainage channel can be offered bottom cable tunnel.
The radioprotective subway tunnel structure of this utility model a kind of 220KV of laying high tension cable is widely used in underground rail
Laying of road traffic high tension cable or communication cable, while Appropriate application tunnel space saves extra expenses, can be effective
The harm avoiding due to high tension cable electromagnetic radiation, subway safe operation being brought, thus reached to ensure that metro safety is transported
OK, there is anticorrosion, anti-electromagnetic radiation, fire prevention, the advantage such as waterproof.This utility model is applicable to other traffic tunnels and lays height
The situation of voltage cable.
Above-described embodiment is only preferred implementation of the present utility model, it should be pointed out that: common for the art
For technical staff, on the premise of without departing from this utility model principle, it is also possible to make some improvement and equivalent, these
This utility model claim is improved and technical scheme after equivalent, each fall within protection model of the present utility model
Enclose.
Claims (4)
1. the radioprotective subway tunnel structure laying high tension cable, it is characterised in that: this tunnel structure include subway tunnel,
The space, cable tunnel (4) being arranged in the roadbed of described subway tunnel and metallic conductor radioprotective fluid drainage layer (2), described cable
Tunnel space (4) is positioned at the lower section of metallic conductor radioprotective fluid drainage layer (2), and space, cable tunnel is provided with access path in (4), electricity
Cable tunnel space (4) is vertically arranged with radioprotective communication cable passage (5) and high-voltage cable support (6), described radioprotective
Communication cable passage (5) is equipped with communication cable, described high-voltage cable support (6) is equipped with high tension cable (3).
Lay the radioprotective subway tunnel structure of high tension cable the most as described in claim 1, it is characterised in that described metal
Conductor radioprotective fluid drainage layer (2) is made up of metal material wire, be arranged on subway long rails and space, cable tunnel (4) it
Between.
Lay the radioprotective subway tunnel structure of high tension cable the most as claimed in claim 1, it is characterised in that described high-tension electricity
Cable (3) carries out circulating picture-changing phase after often laying certain distance along high-voltage cable support (6).
4. the radioprotective subway tunnel structure laying high tension cable as described in claim 1,2 or 3, it is characterised in that described
The outer wrap in space, cable tunnel (4) has radiation protective layer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105883.7U CN205811496U (en) | 2016-02-02 | 2016-02-02 | Lay the radioprotective subway tunnel structure of high tension cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105883.7U CN205811496U (en) | 2016-02-02 | 2016-02-02 | Lay the radioprotective subway tunnel structure of high tension cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205811496U true CN205811496U (en) | 2016-12-14 |
Family
ID=58143424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620105883.7U Withdrawn - After Issue CN205811496U (en) | 2016-02-02 | 2016-02-02 | Lay the radioprotective subway tunnel structure of high tension cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205811496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025989A (en) * | 2016-02-02 | 2016-10-12 | 江苏省电力公司南京供电公司 | Radiation-proof subway tunnel structure for laying of high-voltage cable |
| CN115000880A (en) * | 2022-05-30 | 2022-09-02 | 广东顺德电力设计院有限公司 | Laying method and laying structure of large-length high-voltage cable |
-
2016
- 2016-02-02 CN CN201620105883.7U patent/CN205811496U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025989A (en) * | 2016-02-02 | 2016-10-12 | 江苏省电力公司南京供电公司 | Radiation-proof subway tunnel structure for laying of high-voltage cable |
| CN106025989B (en) * | 2016-02-02 | 2018-11-16 | 江苏省电力公司南京供电公司 | A kind of radiation protection subway tunnel structure laying high-tension cable |
| CN115000880A (en) * | 2022-05-30 | 2022-09-02 | 广东顺德电力设计院有限公司 | Laying method and laying structure of large-length high-voltage cable |
| CN115000880B (en) * | 2022-05-30 | 2024-04-05 | 广东顺德电力设计院有限公司 | Laying method and laying structure of long-length high-voltage cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161214 Effective date of abandoning: 20181116 |
|
| AV01 | Patent right actively abandoned |