CN106058701B - The preassembled transformer station of shielding tunnel excavator - Google Patents
The preassembled transformer station of shielding tunnel excavator Download PDFInfo
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- CN106058701B CN106058701B CN201610402380.0A CN201610402380A CN106058701B CN 106058701 B CN106058701 B CN 106058701B CN 201610402380 A CN201610402380 A CN 201610402380A CN 106058701 B CN106058701 B CN 106058701B
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- transformer
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- pressure chamber
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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
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
A kind of preassembled transformer station of shielding tunnel excavator, including shell, and it is arranged at low voltage switch equipment, power transformer, distribution transformer and high-tension switch gear in shell, mutually independent low-pressure chamber, transformer room and hyperbaric chamber are equipped in the shell, the low voltage switch equipment is placed in low-pressure chamber, power transformer and distribution transformer are respectively placed in transformer room, and high-tension switch gear is placed in hyperbaric chamber；The heat dissipation channel mouth and exhaust fan of ventilation and heat are provided on the shell, the heat dissipation channel mouth is using double-deck dislocation blinds sandwich, and inside is embedded with metal mesh.The characteristics of present invention is multiple functional, compact-sized, degree of protection is high, and it is integrated with shield mechanomotive force, aid in different electric power system demands, suitable for spaces compact on shield machine, long and narrow arrangement requirement, meet the requirement of shield machine underground adverse circumstances, the manufacturing cost of shield machine and assembling and setting time can be reduced.
Description
Technical field
The present invention relates to shielding tunnel excavator field, the prepackage type power transformation of more particularly to a kind of shielding tunnel excavator
It stands.
Background technology
With flourishing for China's communication, urban rail transit construction is particularly important, and the construction of wherein city underground has
It is future city transport development to be saved beneficial to earth's surface resource space, reduce the advantages that being polluted to city interference, energy saving, reduction
Main composition.And subway engineering relies primarily on shielding tunnel excavator and carries out tunnelling, the power configuration of shield machine is extremely
Important, since shield machine works in tunnel, power supply should ensure the stabilization of power quality, ensure to meet equipment in underground again
Narrow requirements of installation space and adverse circumstances requirement.What it is due to shield machine excavation cutter motor demand is power rectifier electricity
Source and such as water pump on shield machine, illumination ancillary equipment demand are regular distribution power supplys, the purposes of both power supplys, electricity
Energy parameter is inconsistent, if electrical source of power and accessory power supply merge design, can influence power supply quality, and influence each other.It is all
On the premise of meeting shield machine structure arrangement, size requirement, using substation equipment singly cover, prefabricated, provided to shield machine
Electrical source of power and accessory power supply can effectively improve shield machine and design and produce the cycle, reduce development cost and the assembling of shield machine
Debug time.It is the trend of shielding tunnel excavator power supply requirement.
Chinese patent literature CN203406543U disclosed a kind of shield machine box-type substation on January 22nd, 2014,
It specifically discloses including babinet, the first transformer, the second transformer, the box house is from left to right divided into high pressure successively
Room, the first transformer room, the second transformer room and low-voltage device room, first transformer are arranged in the first transformer room, institute
It states the second transformer to be arranged in the second transformer room, High-voltage Incoming Cabinet and high-voltage terminal cabinet is provided in the hyperbaric chamber.Institute
State setting hyperbaric chamber operation panel on the babinet of hyperbaric chamber left side end face.On the babinet of end face low-pressure chamber is set to grasp on the right of the low-pressure chamber
Make panel.The front and rear sides of first transformer room and the second transformer room door is all provided with being set to labyrinth shape heat dissipation door.The structure
Function is single, product design fabrication cycle is longer, and development cost are higher, and the assembling and setting time is longer.
Therefore, it is necessary to it is further improved.
The content of the invention
The purpose of the present invention is intended to provide a kind of rationally distributed, compact-sized, set power transformer and distribution transformer
Knockdown shielding tunnel excavator preassembled transformer station, to overcome shortcoming of the prior art.The shield tunnel
The preassembled transformer station of development machine is developed according to shield machine feature, has both met the requirement of shield machine interior spatial structure and confession
Electricity requirement, and meets the requirement of tunneling adverse circumstances, and it specially provides power and auxiliary to shielding tunnel excavator
Help power supply.
By a kind of preassembled transformer station of shielding tunnel excavator of this purpose design, including shell, it is characterised in that：Also
Including low voltage switch equipment, power transformer, distribution transformer and the high-tension switch gear being arranged in shell, in the shell
Equipped with mutually independent low-pressure chamber, transformer room and hyperbaric chamber, the low voltage switch equipment is placed in low-pressure chamber, power transformer
It is respectively placed in distribution transformer in transformer room, high-tension switch gear is placed in hyperbaric chamber；Ventilation is provided on the shell
The heat dissipation channel mouth and exhaust fan of heat transmission, the heat dissipation channel mouth is using double-deck dislocation blinds sandwich, and inside is embedded with
Metal mesh.
The low-pressure chamber, transformer room and hyperbaric chamber in being in long narrow mesh font arrangement in shell, facilitate unilateral dimension successively
Shield.
The heat dissipation channel mouth is communicated with the external world, and corresponding transformer room is arranged at side wall of outer shell；The exhaust fan is set
In cover top portion, and corresponding power transformer and distribution transformer are arranged side by side three respectively, and exhaust fan effectively prevents heat from accumulating
Gather in cover top portion.
The power transformer and distribution transformer are respectively adopted low-loss, the dry-type transformer of high high temperature insulation grade,
Can be respectively that the ancillary equipments such as driving power-equipment and the illumination of shield are powered, anti-interference, reasonable power distribution.
The low voltage switch equipment, power transformer, distribution transformer and high-tension switch gear are formed digs to shield tunnel
Two sets of power, auxiliary system equipment powered are provided into machine.
The low-pressure chamber and/or hyperbaric chamber bottom are provided with cable of the height more than 300mm and debug padded step.
Pass through connecting cable between the low voltage switch equipment, power transformer, distribution transformer and high-tension switch gear
Or busbar is electrically connected.
The low voltage switch equipment and/or high-tension switch gear lower part are equipped with debugging feeder line step.
The shell is using steel plate and section bar welding or assembled.
The side wall of outer shell corresponds to low-pressure chamber and/or transformer room is hinged with door body.
The present invention is by setting high-tension switch gear and low voltage switch equipment that can meet the guarantor of two sets of different purposes transformers
The functions such as shield, electric energy distribution.Two sets of mating transformers provide electrical source of power and auxiliary power to shield machine respectively, and mutually
It is independent not influence.This substation's size is long and narrow, meets the arrangement requirement of shield machine structure, bottom is with feeder line step is debugged, just
It connects and debugs in factory.This multiple functional, compact-sized substation, which can meet the more power supply requirements of shield machine and excavate, to dislike
The use of bad operating mode improves shield machine and designs and produces the cycle, reduces the development cost of shield machine and assembling and setting time.
In addition, low voltage switch equipment uses Integration Design, and it can be the power of user demand and distribution difference purposes, different electricity
Pressure, different protection requirements are incorporated on a low-voltage cabinet and realize, compact dimensions, while can consider to match somebody with somebody according to shield operating condition
Put the measures such as insulated monitoring, ground protection, anti-misoperation.
Description of the drawings
Fig. 1 is the front view of one embodiment of the invention.
Fig. 2 is the top view of one embodiment of the invention.
In figure：1 is low voltage switch equipment, and 2 be power transformer, and 3 be distribution transformer, and 4 be high-tension switch gear, and 5 are
Shell, 5.1 be door body, and 6 be heat dissipation channel mouth, and 7 be exhaust fan, and 8 be low-pressure chamber, and 9 be transformer room, and 10 be hyperbaric chamber.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
Referring to Fig. 1 and Fig. 2, the preassembled transformer station of this shielding tunnel excavator including shell 5 and is arranged in shell 5
Low voltage switch equipment 1, power transformer 2, distribution transformer 3 and high-tension switch gear 4；It is equipped in the shell 5 mutually solely
Vertical low-pressure chamber 8, transformer room 9 and hyperbaric chamber 10, the low voltage switch equipment 1 are placed in low-pressure chamber 8,2 He of power transformer
Distribution transformer 3 is respectively placed in transformer room 9, and high-tension switch gear 4 is placed in hyperbaric chamber 10；It is provided on the shell 5
The heat dissipation channel mouth 6 of ventilation and heat and exhaust fan 7, the heat dissipation channel mouth 6 use double-deck dislocation blinds sandwich, and internal
The metal mesh of high-protection level is embedded with, reaches IP55 degree of protection, and can directly be rinsed, solves strainer problem of aging.It is described
The structure of heat dissipation channel mouth 6 should meet the big protection level requirements of tunnel dust, meet drafting efficiency again and cleaning requires.
The structure layout design requirement of the preassembled transformer station of this shielding tunnel excavator is as follows：
1. meet the installation space of mating shield vehicle frame equipment operation platform；
It is 2. wide<Operating space on the outside of (vehicle frame wide-transmission bandwidth)/2-；
3. length<Single-unit vehicle frame length-vehicle frame support column length；
It is 4. high<The inside circular arc tangential line (can level height be made with minimum point) in vehicle frame platform to shield；
5. it is often located at operating surface along the long two sides of vehicle frame；
6. heat dissipation channel mouth 6 is using double-deck dislocation blinds sandwich, and internal layer is provided with strainer.
Louver structure and exhaust fan 7 the selection formula of heat dissipation channel mouth 6 are as follows：
Ad→ draught area, m2
Fd→ blower ventilation amount, m3/h
Pk→ heat-producing device is lost, kW
t-to→ indoor and outdoor average temperature difference, K
R → air is in toWhen density, kg/m3
640 → empirical coefficient.
H → inlet and outlet vertical drop, m
1000 → air specific heat, kg/J.k
E → drafting efficiency
N → wind turbine quantity
Furtherly, 7 special construction of the exhaust fan design, can effectively prevent the accumulation of 5 inner top heat of shell, special
Different structure can prevent top from setting leakage hidden trouble caused by gas vent again.
Furtherly, the low-pressure chamber 8, transformer room 9 and hyperbaric chamber 10 are interior in long narrow mesh font cloth in shell 5 successively
It puts, facilitates unilateral maintenance.
Furtherly, the heat dissipation channel mouth 6 is communicated with the external world, and corresponding transformer room 9 is arranged at 5 side wall of shell；Institute
It states exhaust fan 7 and is arranged at 5 top of shell, and corresponding power transformer 2 and distribution transformer 3 are arranged side by side three respectively, exhausting
Machine 7 effectively prevents heat from accumulating in 5 top of shell.
Furtherly, low-loss is respectively adopted in the power transformer 2 and distribution transformer 3, high high temperature insulation grade
Dry-type transformer, power transformer 2 and distribution transformer 3 are respectively the different transformer of two functions, can be respectively shield
Driving power-equipment and illumination etc. ancillary equipments power supply, anti-interference, reasonable power distribution.
Furtherly, the low voltage switch equipment 1, power transformer 2, distribution transformer 3 and high-tension switch gear 4 are formed
Two sets of power, auxiliary system equipment powered are provided to shielding tunnel excavator.
Furtherly, the power transformer 2 is to export transformer using 12 pulse waves, can be provided for power-equipment excellent
Matter reliable source of power, than using first, second two transformer schemes excellent for compression box width.
Furtherly, the low-pressure chamber 8 and/or 10 bottom of hyperbaric chamber are provided with cable debugging pad of the height more than 300mm
High step, it is convenient anywhere to debug without special mating support.
Furtherly, between the low voltage switch equipment 1, power transformer 2, distribution transformer 3 and high-tension switch gear 4
It is electrically connected by connecting cable or busbar.
Furtherly, the low voltage switch equipment 1 and/or 4 lower part of high-tension switch gear are equipped with debugging feeder line step.
Furtherly, the shell 5 is using steel plate and section bar welding or assembled.
Furtherly, 5 side wall of shell corresponds to low-pressure chamber 8 and/or transformer room 9 is hinged with door body 5.1.
Furtherly, the low voltage switch equipment 1 and high-tension switch gear 2 are often operation equipment, so being located at shell 5
Two sides, and limited and designed according to 5 width of shell, while low pressure feeder clearance is independently located at 1 rear portion of low voltage switch equipment, subtract
The volume of few low voltage switch equipment 1.The power transformer 2 and distribution transformer 3 are placed respectively along 5 length direction of shell, and
Coil design considers the compound inslation distance on surface to periphery.Two transformers need across other side's inlet wire high-low pressure to connect respectively
It connects, in 5 upper design high-low pressure interface channel of shell, by the height limitation of shell 5, transformer equipment is using 5 pedestal of shell as branch
Support, cancels traditional separate base(plate).The high-and low-voltage switch equipment difference lifting arrangement, in order to which this preassembled transformer station lifts
Preceding experiment connection.
The preassembled transformer station of this shielding tunnel excavator is used for external high pressure power supply to distribute to shield machine by decompression
On dynamical system and auxiliary system power equipment.Wherein, power transformer 2 and distribution transformer 3 are respectively to shield power
System and auxiliary system provide power supply, power transformer 2 and distribution transformer 3 using low-loss, and high high temperature insulation grade is done
Formula transformer.The shell 5 is welded by steel plate and section bar, and surrounding siding is detachable structure, and at least forms low-pressure chamber
8th, the functional compartments such as transformer room 9 and hyperbaric chamber 10, each functional compartments are mutual indepedent and have the heat dissipation work(of forced air cooling or gravity-flow ventilation
Energy.
The preassembled transformer station of this shielding tunnel excavator has the characteristics that multiple functional, compact-sized, degree of protection is high,
And shield mechanomotive force is integrated with, different electric power system demands is aided in, suitable for spaces compact on shield machine, long and narrow arrangement will
It asks, meets the requirement of shield machine underground adverse circumstances, the manufacturing cost of shield machine and assembling and setting time can be reduced.
Basic principle, main feature and the present invention of the present invention has been shown and described in the above-mentioned preferred embodiment for the present invention
The advantages of.Those skilled in the art should be recognized that the present invention is not limited to the above embodiments, above embodiments and description
Described in merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention the present invention also have it is various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent define.
Claims (3)
1. a kind of preassembled transformer station of shielding tunnel excavator, including shell (5) and the low tension switch being arranged in shell (5)
Equipment (1), power transformer (2), distribution transformer (3) and high-tension switch gear (4), the shell (5) is interior to be equipped with mutually solely
Vertical low-pressure chamber (8), transformer room (9) and hyperbaric chamber (10), the low voltage switch equipment (1) are placed in low-pressure chamber (8), power
Transformer (2) and distribution transformer (3) are respectively placed in transformer room (9), and high-tension switch gear (4) is placed in hyperbaric chamber (10)
It is interior；The heat dissipation channel mouth (6) of ventilation and heat and exhaust fan (7) are provided on the shell (5), which adopts
It is misplaced blinds sandwich with bilayer, and inside is embedded with metal mesh；
The low-pressure chamber (8), transformer room (9) and hyperbaric chamber (10) are arranged successively in the interior mesh font narrow in length of shell (5)；
The heat dissipation channel mouth (6) communicates with the external world, and corresponding transformer room (9) are arranged at shell (5) side wall；The exhaust fan
(7) it is arranged at the top of shell (5), and corresponding power transformer (2) and distribution transformer (3) are arranged side by side three respectively；
It is characterized in that：Low-loss, high high temperature insulation grade is respectively adopted in the power transformer (2) and distribution transformer (3)
Dry-type transformer；
The low voltage switch equipment (1), power transformer (2), distribution transformer (3) and high-tension switch gear (4) are formed to shield
Structure rock tunnel(ling) machine provides power, the equipment of two sets of power supplies of auxiliary system；
The low-pressure chamber (8) and/or hyperbaric chamber (10) bottom are provided with cable of the height more than 300mm and debug padded step；
Pass through between the low voltage switch equipment (1), power transformer (2), distribution transformer (3) and high-tension switch gear (4)
Connecting cable or busbar are electrically connected；
The low voltage switch equipment (1) and/or high-tension switch gear (4) lower part are equipped with debugging feeder line step.
2. the preassembled transformer station of shielding tunnel excavator according to claim 1, it is characterised in that：The shell (5) is adopted
It is welded with steel plate with section bar or assembled.
3. the preassembled transformer station of shielding tunnel excavator according to claim 2, it is characterised in that：Shell (5) side
Wall corresponds to low-pressure chamber (8) and/or transformer room (9) are hinged with door body (5.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402380.0A CN106058701B (en) | 2016-06-07 | 2016-06-07 | The preassembled transformer station of shielding tunnel excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402380.0A CN106058701B (en) | 2016-06-07 | 2016-06-07 | The preassembled transformer station of shielding tunnel excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106058701A CN106058701A (en) | 2016-10-26 |
| CN106058701B true CN106058701B (en) | 2018-05-29 |
Family
ID=57169744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610402380.0A Active CN106058701B (en) | 2016-06-07 | 2016-06-07 | The preassembled transformer station of shielding tunnel excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106058701B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3808225B2 (en) * | 1998-12-18 | 2006-08-09 | 三菱電機株式会社 | Substation equipment unit |
| CN201051617Y (en) * | 2007-04-13 | 2008-04-23 | 上海南桥变压器有限责任公司 | A pre-installed transformer substation box with top heat radiation blower |
| CN202633782U (en) * | 2012-06-15 | 2012-12-26 | 南车资阳机车有限公司 | Protection device for box-type substation of tunnel borer |
| CN203406543U (en) * | 2013-08-09 | 2014-01-22 | 南车资阳机车有限公司 | Box type transformer station for shield machine |
| CN203562680U (en) * | 2013-11-26 | 2014-04-23 | 河南昊锐电气有限公司 | Shield machine prefabricated substation |
| CN205791150U (en) * | 2016-06-07 | 2016-12-07 | 顺特电气设备有限公司 | The preassembled transformer station of shielding tunnel excavator |
-
2016
- 2016-06-07 CN CN201610402380.0A patent/CN106058701B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3808225B2 (en) * | 1998-12-18 | 2006-08-09 | 三菱電機株式会社 | Substation equipment unit |
| CN201051617Y (en) * | 2007-04-13 | 2008-04-23 | 上海南桥变压器有限责任公司 | A pre-installed transformer substation box with top heat radiation blower |
| CN202633782U (en) * | 2012-06-15 | 2012-12-26 | 南车资阳机车有限公司 | Protection device for box-type substation of tunnel borer |
| CN203406543U (en) * | 2013-08-09 | 2014-01-22 | 南车资阳机车有限公司 | Box type transformer station for shield machine |
| CN203562680U (en) * | 2013-11-26 | 2014-04-23 | 河南昊锐电气有限公司 | Shield machine prefabricated substation |
| CN205791150U (en) * | 2016-06-07 | 2016-12-07 | 顺特电气设备有限公司 | The preassembled transformer station of shielding tunnel excavator |
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| Publication number | Publication date |
|---|---|
| CN106058701A (en) | 2016-10-26 |
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