CN108598963A - A kind of box-type substation - Google Patents
A kind of box-type substation Download PDFInfo
- Publication number
- CN108598963A CN108598963A CN201810809868.4A CN201810809868A CN108598963A CN 108598963 A CN108598963 A CN 108598963A CN 201810809868 A CN201810809868 A CN 201810809868A CN 108598963 A CN108598963 A CN 108598963A
- Authority
- CN
- China
- Prior art keywords
- box
- babinet
- type substation
- air inlet
- cable vault
- 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
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000001131 transforming effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005086 pumping Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
- H02B7/08—Underground substations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The present invention discloses a kind of box-type substation, including:Babinet and cable vault;The cable vault is arranged in the lower section of the babinet, cable vault's part is above ground level, a part is below ground level, the cable vault, which is located on the wall on ground level, is provided with air vent, it is provided with air inlet on the bottom plate of the babinet, exhaust perforated pipe is provided on the head cover of the babinet.Air inlet is arranged on the bottom plate of box for box-type transformer substation the present invention, and exhaust perforated pipe is arranged on the head cover of box for box-type transformer substation, and exhaust perforated pipe is higher than the head cover of box for box-type transformer substation.Because the internal temperature of box-type substation is high, density becomes smaller, and babinet is inside and outside to form pressure difference, and the present invention is gone out the high-temperature gas row (pumping) in babinet to outside babinet by " stack effect " principle, realizes automatic dissipating heat function.
Description
Technical field
The present invention relates to power grid transmission & distribution electrical domains, more particularly to a kind of electrical power trans mission/distribution system terminal and generation of electricity by new energy (wind
Power Generate, Generation, Generator volt power generation) a kind of box-type substation.
Background technology
Because compact-sized, small, easy to transportation and installation, power transmission and distribution department was largely set using this box-type substation in recent years
It is standby.It is more (it includes rainwater, dust, toy etc. to invade object outside) to invade object because of outdoor installation outside for this equipment.Equipment is affected normally to transport
Row.The outer intrusion for invading object, the babinet of box-type substation use enclosed construction in order to prevent for device fabrication producer thus.It is closed
Though it is difficult row that the box-type substation of structure, which prevents the outer intrusion for invading object, the heat that the electric equipment operation in babinet generates,
It removes.Box-type substation is run outdoors, and variation of ambient temperature is big, and summer passes through solarization, and the surface temperature of babinet can reach 50-
80 DEG C, along with the heat that the electric equipment operation in babinet generates, the temperature in babinet can reach 80-110 DEG C or so.It causes
So that the electrical equipment in babinet is not normally functioning, even results in large-scale accident.Device fabrication producer also adopts various measures,
Louvered shutter is set on babinet framed side wallboard, and babinet inner top installs wind turbine additional and helps heat-producing device heat dissipation.Equipment heating in babinet
Temperature is higher, and the hot gas density of generation is smaller, and sole mass is lighter, and hot gas can be floated by the buoyancy for coming from air.
That is end layer temperature is highest on box house.If installing wind turbine additional in babinet inner top blows to heat-producing device, essence
It is that the gas of box house maximum temperature is blowed to heat-producing device, the louvered shutter being arranged on babinet is outer in order to prevent to invade object
Intrusion will also add protective device, cause the opening area very little externally to radiate, do not have ideal heat sinking function, cause high temperature
Gas rotates in babinet, and the high-temperature gas in babinet is difficult to distribute, and the equipment in babinet is run at high temperature for a long time, causes
So that the current-carrying capacity of conductor is reduced, the decline of insulating part dielectric level, results in the generation of various accidents.Existing box type transformation station equipment exists
Heat dissipation is at insoluble problem in operation, and there are no ideal solutions.
Invention content
The object of the present invention is to provide a kind of box-type substations to realize automatic dissipating heat function by " stack effect " principle.
To achieve the above object, the present invention provides following schemes:
A kind of box-type substation, including:Babinet and cable vault;The cable vault is arranged in the lower section of the babinet, described
Cable vault's part is above ground level, and below ground level, the cable vault is located on the wall on ground level a part
It is provided with air vent, air inlet is provided on the bottom plate of the babinet, exhaust perforated pipe is provided on the head cover of the babinet.
Optionally, the babinet is divided into high voltage unit, electric transforming unit and low voltage unit, each unit according to electric equipment function
Between be isolated using partition board.
Optionally, the one third of the cable vault is above ground level, and 2/3rds below ground level.
Optionally, rain cover and protective cover are set on the exhaust perforated pipe.
Optionally, the air inlet is provided with protective cover, and the protective cover includes steel wire and metal supporting frames.
Optionally, the air inlet is multiple, is separately positioned on the bottom plate of the high voltage unit, the electric transforming unit
On bottom plate and on the bottom plate of the low voltage unit;The exhaust perforated pipe is multiple, is separately positioned on the head cover of the high voltage unit
On the head cover of upper, described electric transforming unit and on the head cover of the low voltage unit.
Optionally, the area of the cross section of the exhaust perforated pipe is less than the area of the cross section of the air inlet.
Optionally, the area of the cross section of the air inlet is 0.03-0.07m2, the face of the cross section of the exhaust pipe
Product is 70 ﹪ -80 ﹪ of the area of the cross section of the air inlet.
Optionally, the height of the cable vault is 1.8-1.9 meters.
According to specific embodiment provided by the invention, the invention discloses following technique effects:
Air inlet is arranged on the bottom plate of box for box-type transformer substation the present invention, and exhaust perforated pipe is arranged in box type transformer box
On the head cover of body, and exhaust perforated pipe is higher than the head cover of box for box-type transformer substation.Because the internal temperature of box-type substation is high, close
Degree becomes smaller, and babinet is inside and outside to form pressure difference, is gone out the high-temperature gas row (pumping) in babinet to babinet by " stack effect " principle
Outside.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure connection figure of the box-type substation of the present invention.
In figure:1- box for box-type transformer substation, 2- type transformer substation high-voltage units, 3- box-type substation electric transforming units,
4- box-type substation low voltage units, the cable vaults 5-, 6- air inlets, 7- protective covers, 8- exhaust perforated pipes, 9- rain covers,
10- protective covers, 11- air vents
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
" stack effect " principle is:Air themperature is higher, and density is smaller, according to fluid density and pressure principle, gas
Weight forms pressure, that is, the inside and outside formation pressure difference of babinet.Since the hot-air density in babinet is small, by entrance babinet
Outside air buoyancy and flow up, generate certain geometry pressure head, bottom of box air inlet generate negative pressure, formed draft.
The present invention is designed into air inlet on the bottom plate of box for box-type transformer substation, and exhaust perforated pipe is designed into box type transformer box
On the head cover of body, and exhaust perforated pipe is higher than the head cover of box for box-type transformer substation.Make gas circulation up and down in babinet.Because in babinet
Temperature is higher than 40-65 DEG C of air inlet gas temperature, and which forms " stack effects " to go out the high-temperature gas row (pumping) in babinet
To outside babinet.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is the structure connection figure of the box-type substation of the present invention, as shown in Figure 1, the box-type substation is by box change
Power station babinet 1 is formed with electrical equipment.Box for box-type transformer substation 1 is made of head cover, four cycle side plates (door-plate), bottom plate.Box change
Type transformer substation high-voltage unit 2 is divided into according to electric equipment function after installation electrical equipment in power station babinet 1, box-type substation becomes
4 three electric unit 3, box-type substation low voltage unit unit compositions, each unit are mutually isolated using partition board.Box-type substation exists
Cable vault 5 is arranged in field erected lower section, and between 1.8-1.9 meters, human body can stand the height of cable vault 5 in cable vault 5
Construction.The one third of cable vault 5 is mounted on electricity in the top of ground level, 2/3rds in the lower section of ground level, air vent 11
On wall above 5 ground level of cable room.Air inlet 6 is arranged on each separate unit bottom plate of box for box-type transformer substation, air inlet 6
To prevent the intrusion for invading object outside that protective cover 7 is arranged, protective cover 7 is formed with steel wire+metal supporting frames, and air inlet 6 is mounted on
In, protective cover 7 will have certain mechanical strength, and human body can stand operation above.Head cover center line of the setting of exhaust perforated pipe 8 to babinet
On, and exhaust perforated pipe 8 is higher than the head cover of box for box-type transformer substation.To prevent rainwater and invading the intrusion of object outside, on exhaust perforated pipe 8
End setting rain cover 9 and protective cover 10.
To ensure charge flow rate, the area of air inlet 6 can determine according to transformer capacity, and being experimentally confirmed should be
Within the scope of 0.03-0.07 ㎡.The sectional area of exhaust perforated pipe 8 will be matched with air inlet 6, and the sectional area of exhaust pipe is less than air inlet
20 ﹪ -30 ﹪ of 6 sectional areas of mouth, because the gas temperature of exhaust pipe discharge is high, gas density is small, flowing velocity is fast, in " chimney
The pressure difference (draft) inside and outside babinet is formd under effect " effect.Box-type substation lower section cable vault 5 (box type transformer substation base)
Face upper section and the air vent 11 being arranged on wall are executed by the technical parameter requirement of national Specification.
The present invention is mainly that the heat that the equipment in case is generated in operation is discharged, and the method for discharge is to use " chimney
Effect " principle.The method of specific implementation is:Three separate units of box-type substation using enclosed construction and extraneous natural ring
Gas barrier under border, equipment generates 40-65 DEG C of heat in operation in unit, also and that is in three separate unit babinets
Temperature is higher than 40-65 DEG C of the temperature outside babinet.The higher gas density of temperature is smaller, according to fluid and pressure theory, in babinet
The pressure that is formed of gas column weight be less than the pressure that the outer air weight of babinet is formed, there are pressure difference inside and outside babinet, outside babinet
Cold air gas set by the air vent 11 and each unit of box baseplate that are arranged on 5 wall of cable vault under the action of pressure difference
The air inlet 6 set enters in babinet, to float since hot-air density is small in babinet, and hot-air is floated to be arranged in top of the box
Exhaust perforated pipe 8 be discharged to outside babinet.According to " stack effect " principle, gas outside babinet can only from the bottom of babinet into
Enter, thus form draft under the action of pressure difference, gas out of the bottom of box inlet box body, hot-air, which floats, is discharged babinet
Outside.Wind-force outside babinet is bigger, and the pressure difference of generation is bigger, and hot-air ascent rate is faster, and the draft of formation is bigger.In babinet
The air-flow of flowing helps heat-producing device heat dissipation, has achieved the purpose that box-type substation auto-radiating.
Principle and implementation of the present invention are described for specific case used herein, and above example is said
The bright method and its core concept for being merely used to help understand the present invention;Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of box-type substation, which is characterized in that including:Babinet and cable vault;The cable vault is arranged in the babinet
Lower section, cable vault's part is above ground level, and below ground level, the cable vault is located on ground level a part
Wall on be provided with air vent, air inlet is provided on the bottom plate of the babinet, exhaust is provided on the head cover of the babinet
Kong Guan.
2. box-type substation according to claim 1, which is characterized in that the babinet is divided into height according to electric equipment function
Unit, electric transforming unit and low voltage unit are pressed, is isolated using partition board between each unit.
3. box-type substation according to claim 1, which is characterized in that the one third of the cable vault is on ground level
Side, 2/3rds below ground level.
4. box-type substation according to claim 1, which is characterized in that rain cover and protection are arranged on the exhaust perforated pipe
Cover.
5. box-type substation according to claim 1, which is characterized in that the air inlet is provided with protective cover, described anti-
Shield includes steel wire and metal supporting frames.
6. box-type substation according to claim 2, which is characterized in that the air inlet is multiple, is separately positioned on institute
It states on the bottom plate of high voltage unit, on the bottom plate of the electric transforming unit and on the bottom plate of the low voltage unit;The exhaust perforated pipe is
It is multiple, it is separately positioned on the head cover of the high voltage unit, on the head cover of the electric transforming unit and the head cover of the low voltage unit
On.
7. box-type substation according to claim 1, which is characterized in that the area of the cross section of the exhaust perforated pipe is less than
The area of the cross section of the air inlet.
8. box-type substation according to claim 7, which is characterized in that the area of the cross section of the air inlet is
0.03-0.07m2, the area of the cross section of the exhaust pipe is 70 ﹪ -80 ﹪ of the area of the cross section of the air inlet.
9. box-type substation according to claim 1, which is characterized in that the height of the cable vault is 1.8-1.9 meters.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810809868.4A CN108598963A (en) | 2018-07-23 | 2018-07-23 | A kind of box-type substation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810809868.4A CN108598963A (en) | 2018-07-23 | 2018-07-23 | A kind of box-type substation |
Publications (1)
Publication Number | Publication Date |
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CN108598963A true CN108598963A (en) | 2018-09-28 |
Family
ID=63617996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810809868.4A Pending CN108598963A (en) | 2018-07-23 | 2018-07-23 | A kind of box-type substation |
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CN (1) | CN108598963A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1764888A1 (en) * | 2005-09-16 | 2007-03-21 | Prefabricados Uniblok, S.A. | Electrical transformer centre |
CN102263387A (en) * | 2011-08-11 | 2011-11-30 | 浙江安可电气科技有限公司 | Low-voltage switchgear of semi-buried box-type transformer substation |
CN202840319U (en) * | 2012-09-05 | 2013-03-27 | 贵州鑫精电器有限公司 | Half-buried landscape box type transformer station |
CN105977852A (en) * | 2016-06-17 | 2016-09-28 | 凯地(广东)电业设备有限公司 | Landscape buried box-type substation with ventilation cooling system |
CN208674700U (en) * | 2018-07-23 | 2019-03-29 | 河北金江电气股份有限公司 | A kind of box-type substation |
-
2018
- 2018-07-23 CN CN201810809868.4A patent/CN108598963A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1764888A1 (en) * | 2005-09-16 | 2007-03-21 | Prefabricados Uniblok, S.A. | Electrical transformer centre |
CN102263387A (en) * | 2011-08-11 | 2011-11-30 | 浙江安可电气科技有限公司 | Low-voltage switchgear of semi-buried box-type transformer substation |
CN202840319U (en) * | 2012-09-05 | 2013-03-27 | 贵州鑫精电器有限公司 | Half-buried landscape box type transformer station |
CN105977852A (en) * | 2016-06-17 | 2016-09-28 | 凯地(广东)电业设备有限公司 | Landscape buried box-type substation with ventilation cooling system |
CN208674700U (en) * | 2018-07-23 | 2019-03-29 | 河北金江电气股份有限公司 | A kind of box-type substation |
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