CN205618189U - Cable tunnel and air exchange system thereof - Google Patents
Cable tunnel and air exchange system thereof Download PDFInfo
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- CN205618189U CN205618189U CN201620356234.4U CN201620356234U CN205618189U CN 205618189 U CN205618189 U CN 205618189U CN 201620356234 U CN201620356234 U CN 201620356234U CN 205618189 U CN205618189 U CN 205618189U
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- air
- cable tunnel
- exchange system
- ventilation duct
- air exchange
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- 238000009423 ventilation Methods 0.000 claims abstract description 60
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000003915 air pollution Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a cable tunnel's air exchange system, including the ventilation pipe, the one end intercommunication earth's surface atmosphere of ventilation pipe is inside the other end intercommunication cable tunnel, be provided with on the ventilation pipe be used for controlling self inside air current to the accuse fan. The utility model provides an air exchange system, the electrician can start the accuse fan before in getting into cable tunnel for it is external that foul air in the cable tunnel discharges the earth's surface. Later can start the accuse fan once more, make fresh air enter into the cable to in arriving, the electrician can enter into that cable tunnel is inside normally to overhaul the operation this moment, so only need to accomplish to cable tunnel inside provides fresh air and with the purpose of the inside foul air evacuation of cable, compares the mode that needs through two ventilation pipes in prior art through a ventilation pipe, reduce half the cost, avoided the wasting of resources. The utility model discloses still disclose the cable tunnel including above -mentioned air exchange system, its beneficial effect as above.
Description
Technical field
This utility model relates to electric power project engineering field, particularly to the air exchange system of a kind of cable tunnel.
This utility model further relates to a kind of cable tunnel including above-mentioned air exchange system.
Background technology
Along with the development of China Power engineering, increasing electric power facility is used widely, accordingly
, in the city that electric power facility is densely distributed, realize electric power often through the cable tunnel that underground is huge and supply
Should.
Cable tunnel is a kind of to accommodate that number of cables is more, have the passage for installing and making an inspection tour, Totally-enclosed-type
Underground structure, it is low that cable tunnel is applicable to level of ground water, the electrical power mains line that cable run is relatively concentrated,
Typically can lay the power cable of more than 30.When electric power facility goes wrong and needs repairing, electrician is past
It is deep in cable tunnel toward needs and carries out upkeep operation.And deeper cable tunnel up to underground 10m with
On, this kind of environment easily cause electrician when upkeep operation by tunnel in air capacity not enough and suffocate.To this end,
In cable tunnel, it is both provided with ventilation duct, provides sufficient air for it.But meanwhile, the external world is fresh
After air enters into cable tunnel, the air pollution in cable tunnel is also required to timing and is discharged to the external world, with
Antibacterial etc. is avoided to grow.To this end, often two ends at a cable tunnel are respectively provided with two in prior art
Bar ventilation duct, wherein a ventilation duct is exclusively used in and provides fresh air into cable tunnel, and another ventilates
Pipe is exclusively used in extracts air pollution termly from cable tunnel out.
Owing to the degree of depth of cable tunnel is relatively big, and topographic structure is more complicated, therefore sets up one suitably
The cost expenses of ventilation duct is higher, and maintenance cost is the highest.By arranging two effects not in prior art
With ventilation duct, wherein one work time, another often without work, thus resulted in resource and
The waste of cost.
Therefore, realize the supply of the fresh air to cable tunnel and the emptying of air pollution the most smoothly,
And reduce cost and the wasting of resources, be those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide the air exchange system of a kind of cable tunnel, it is possible to only led to by one
Airduct just realizes the fresh air to cable tunnel and supplies and the emptying of air pollution, reduces cost, keeps away
Exempt from the wasting of resources.Another object of the present utility model is to provide a kind of cable tunnel including above-mentioned air exchange system
Road.
For solving above-mentioned technical problem, this utility model provides the air exchange system of a kind of cable tunnel, including
Ventilation duct, one end connection Earth Surface Atmosphere of described ventilation duct, other end communication cable tunnel internal；Described
The control blower fan for controlling therein air flow it is provided with on ventilation duct.
Preferably, described control blower fan includes being horizontally set at the impeller in described ventilation duct and for driving
State the motor that impeller rotates, and on described motor, be provided with the converter for controlling its forward or reverse.
Preferably, it is provided with for removing impurity in air at the air inlet of described ventilation duct and/or air outlet
Filter.
Preferably, the interior position after described filter of described ventilation duct is additionally provided with for air
Carry out the attemperating unit being heated or cooled.
Preferably, the exsiccator for reducing air humidity it is additionally provided with in described ventilation duct.
Preferably, described ventilation duct includes that the many hard tubes being close to tunnel wall and Duo Gen are connected for turning to
Flexible pipe.
Preferably, the outer surface of each section of described flexible pipe is provided with the sealant for ensureing hermetic seal.
This utility model also provides for a kind of cable tunnel, including electricity well and the ventilation being arranged in described electricity well
System, wherein, described air exchange system is the air exchange system described in any of the above-described item.
The air exchange system of cable tunnel provided by the utility model, mainly includes ventilation duct and control blower fan.
Wherein, one end connection Earth Surface Atmosphere of ventilation duct, other end communication cable tunnel internal, and control blower fan and set
Putting on ventilation duct, be mainly used in controlling the air flow within ventilation duct, such as controlling air flow is
In inflow cable tunnel, ground, or in cable tunnel, flow out to earth's surface.Owing to controlling the existence of blower fan,
When carrying out upkeep operation in electrician needs to enter cable tunnel, control blower fan can be started, in making ventilation duct
Air flow for be flowed in cable tunnel from earth's surface, it is ensured that have in cable tunnel abundance fresh sky
Gas；And before electrician carries out upkeep operation or upkeep operation complete after certain time, can start
Control blower fan, and make for flowing out to the off-balancesheet of the air flow in ventilation duct from cable tunnel, thus by dirt
Air is discharged to the external world.So, by the operation to control blower fan, it is only necessary to ventilation duct can complete into
Cable tunnel is internal provides fresh air and the target emptied by the air pollution within cable tunnel.Therefore,
The air exchange system of cable tunnel provided by the utility model, compared to passing through two ventilations in prior art
Pipe comes respectively inside, cable tunnel provides fresh air and by the air pollution emptying within cable tunnel
Mode, reduce the cost of half, it is to avoid the wasting of resources.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiment of the present utility model, comes for those of ordinary skill in the art
Say, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the overall structure schematic diagram of a kind of detailed description of the invention provided by the utility model.
Wherein, in Fig. 1:
Ventilation duct 1, hard tube 101, flexible pipe 102, control blower fan 2, filter 3, attemperating unit
4, exsiccator 5.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Refer to the overall structure that Fig. 1, Fig. 1 are a kind of detailed description of the invention provided by the utility model show
It is intended to.
In a kind of detailed description of the invention provided by the utility model, the air exchange system of cable tunnel is main
Including ventilation duct 1 and control blower fan 2.
Wherein, ventilation duct 1 is the passage that communication cable tunnel internal is extraneous with earth's surface, extraneous fresh air
Can enter into inside cable tunnel by ventilation duct 1, the air pollution within cable tunnel also is able to simultaneously
Earth's surface is flowed out to extraneous by ventilation duct 1.In the present embodiment, this ventilation duct 1 gos deep into earth's surface, leading to of one end
Air port connects with earth's surface, and the vent of the other end is then internal with cable tunnel to be connected.
Control blower fan 2 is arranged on ventilation duct 1, is mainly used in controlling the air-flow direction in ventilation duct 1, than
The air in ventilation duct 1 can be controlled as controlled blower fan 2 to flow out to earth's surface inside cable tunnel extraneous, this time control
Blower fan 2 can be considered as air exhauster, the internal extraction air from cable tunnel；Control blower fan 2 can also control to ventilate
Air in pipe 1 is flowed into inside cable tunnel from the earth's surface external world, and this time control blower fan 2 can be considered as pressure fan,
Air is extracted from the earth's surface external world.
Owing to control blower fan 2 changes ability to the flow direction of air in ventilation duct 1, electrician is being prepared to enter into cable tunnel
Before carrying out upkeep operation in road, can first start control blower fan 2 so that the air flowing side in ventilation duct 1
To for extraneous to earth's surface inside cable tunnel, so, over time, become, the dirt in cable tunnel
It is extraneous that controlled blower fan 2 is retracted to earth's surface by ventilation duct 1 by turbid air.Afterwards, can be again started up controlling blower fan 2,
Make the air-flow direction in ventilation duct 1 for extraneous inside cable tunnel, so, at one section from earth's surface
After time, being just filled with fresh air in cable tunnel, now electrician can enter in cable tunnel
Portion carries out normal service operation.And after the upkeep operation of electrician completes certain time, it is also possible to periodically
Open control blower fan 2, the air pollution within cable tunnel is emptied, it is to avoid precipitation produces harmful substance.
Shown in sum up, the air exchange system of cable tunnel provided by the utility model, it is only necessary to led to by
Airduct 1 can complete provide fresh air into inside, cable tunnel and emptied by the air pollution within cable
Purpose, compared to needing in prior art to be respectively by two ventilation ducts, cable tunnel is internal provides new
Fresh air and the mode emptied by the air pollution within cable tunnel, reduce the cost of half, it is to avoid
The wasting of resources.
About control blower fan 2 a kind of preferred implementation in, this control blower fan 2 can include impeller, motor and
Converter.Wherein, it is internal that impeller is arranged on ventilation duct 1, be generally parallel to ventilation duct 1 cross section and
Arrange.Motor is mainly used in driving impeller to carry out high speed rotating, and converter is arranged on motor, mainly uses
Rotating speed, control motor in adjustment motor carry out forward or reverse.Such as, when motor is rotated forward, ventilate
Air flow in pipe 1 is extraneous to earth's surface inside cable tunnel, then during motor reversal, ventilation duct 1
Interior air flow is inside the earth's surface external world to cable tunnel.
Additionally, in order to ensure the air quality entered within cable tunnel, the present embodiment is also at ventilation duct 1
Air inlet and/or air outlet at be provided with the filter 3 for removing impurity in air, such as can ventilate
The mouth of pipe of pipe 1 arranges shutter, arranges the modes such as active carbon layer the most later.
Moreover, it is contemplated that the season in winter in summer, earth's surface and the temperature difference in cable tunnel are relatively big, for avoiding
The healthy of electrician is impacted by big Air Temperature Difference, and it is right that the present embodiment is also provided with in ventilation duct 1
Air carries out the attemperating unit 4 being heated or cooled, and effect is heated or cooled thus by attemperating unit 4,
Can change and enter into the temperature of air in cable tunnel, thus reduce that cable tunnel is internal and between earth's surface
The temperature difference, it is to avoid the respiratory system of electrician works the mischief.General, attemperating unit 4 is in ventilation duct 1
The position that arranges need after filter 3, i.e. only the clean air after filtering need to be carried out temperature control.
Further, since the internal closing in cable tunnel, humidity, easy breed bacteria, mycete etc. are harmful to micro-life
Thing, the present embodiment is provided with the exsiccator 5 for reducing air humidity in ventilation duct 1.So, enter
Air in cable tunnel is relatively dry such that it is able to make the humidity of whole cable tunnel decline, and reduces
The wet environment harm to human body.
About in a kind of preferred implementation of ventilation duct 1, it is contemplated that cable tunnel is often built on ground
Deep place, therefore subsurface geologic structures is more complicated, the laying of ventilation duct 1 will be caused obstruction.To this end,
Ventilation duct 1 is set to the form that many hard tubes 101 combine with many flexible pipes 102 by the present embodiment.Wherein,
Hard tube 101 and the laminating of cable tunnel inwall, be mainly used in long straight tunnel occasion, play the whole ventilation duct of support
The effect of 1；Flexible pipe 102 is mainly used at turning, tunnel turning point, or at the passage of complicated shape, can
Will front and back be connected by two hard tubes 101.So, the ventilation duct 1 being combined with flexible pipe 102 by hard tube 101 is tied
Structure, can improve the adaptability to underground labyrinth, reduces and lays difficulty.
Further, it is contemplated that flexible pipe 102 is frequently bended due to needs, its material is softer, will certainly cause
The problem that intensity is not enough, to this end, the present embodiment is provided with sealant on the outer surface of flexible pipe 102, such as
Layer of polyurethane etc..It is arranged such, on the one hand can ensure that the gas tightness of flexible pipe 102, on the other hand can also
Improve intensity and the toughness of flexible pipe 102, it is to avoid scratched by sharp-pointed stone.
This utility model also provides for a kind of cable tunnel, including electricity well and the air exchange system being arranged in electricity well,
Wherein, this air exchange system is identical with foregoing teachings, and here is omitted.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (8)
1. the air exchange system of a cable tunnel, it is characterised in that include ventilation duct (1) is described logical
One end connection Earth Surface Atmosphere of airduct (1), other end communication cable tunnel internal；Described ventilation duct (1)
On be provided with the control blower fan (2) for controlling therein air flow.
Air exchange system the most according to claim 1, it is characterised in that described control blower fan (2) is wrapped
Include the impeller being horizontally set in described ventilation duct (1) and for the motor driving described impeller to rotate, and
The converter for controlling its forward or reverse it is provided with on described motor.
Air exchange system the most according to claim 2, it is characterised in that described ventilation duct (1)
The filter (3) for removing impurity in air it is provided with at air inlet and/or air outlet.
Air exchange system the most according to claim 3, it is characterised in that in described ventilation duct (1)
Position after described filter (3) is additionally provided with the temperature control for air is heated or cooled
Device (4).
Air exchange system the most according to claim 4, it is characterised in that in described ventilation duct (1)
It is additionally provided with the exsiccator (5) for reducing air humidity.
6. according to the air exchange system described in any one of claim 1-5, it is characterised in that described ventilation duct
(1) include that the many hard tubes being close to tunnel wall (101) and many are for turning to the flexible pipe (102) being connected.
Air exchange system the most according to claim 6, it is characterised in that each section of described flexible pipe (102)
Outer surface be provided with the sealant for ensureing hermetic seal.
8. a cable tunnel, including electricity well and the air exchange system being arranged in described electricity well, its feature exists
In, described air exchange system is the air exchange system described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356234.4U CN205618189U (en) | 2016-04-25 | 2016-04-25 | Cable tunnel and air exchange system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620356234.4U CN205618189U (en) | 2016-04-25 | 2016-04-25 | Cable tunnel and air exchange system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618189U true CN205618189U (en) | 2016-10-05 |
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ID=57027329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620356234.4U Active CN205618189U (en) | 2016-04-25 | 2016-04-25 | Cable tunnel and air exchange system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926540A (en) * | 2019-12-11 | 2020-03-27 | 谢佩汝 | Cable detection system based on well lid system |
-
2016
- 2016-04-25 CN CN201620356234.4U patent/CN205618189U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926540A (en) * | 2019-12-11 | 2020-03-27 | 谢佩汝 | Cable detection system based on well lid system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: State Grid Corporation of China Patentee after: CHONGQING ELECTRIC POWER DESIGN INSTITUTE Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: CHONGQING ELECTRIC POWER DESIGN INSTITUTE |