CN108598963A - A kind of box-type substation - Google Patents

A kind of box-type substation Download PDF

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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
Application number
CN201810809868.4A
Other languages
Chinese (zh)
Inventor
陈振石
范英超
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.)
Hebei Jin Jiang Electric Ltd By Share Ltd
Original Assignee
Hebei Jin Jiang Electric Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei Jin Jiang Electric Ltd By Share Ltd filed Critical Hebei Jin Jiang Electric Ltd By Share Ltd
Priority to CN201810809868.4A priority Critical patent/CN108598963A/en
Publication of CN108598963A publication Critical patent/CN108598963A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/46Boxes; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B7/00Enclosed substations, e.g. compact substations
    • H02B7/06Distribution substations, e.g. for urban network
    • H02B7/08Underground substations

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  • 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

A kind of box-type substation
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.
CN201810809868.4A 2018-07-23 2018-07-23 A kind of box-type substation Pending CN108598963A (en)

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
CN108598963A true CN108598963A (en) 2018-09-28

Family

ID=63617996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810809868.4A Pending CN108598963A (en) 2018-07-23 2018-07-23 A kind of box-type substation

Country Status (1)

Country Link
CN (1) CN108598963A (en)

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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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