CN108847332A - A kind of high heat-flux mobile transformer radiating module and radiating module group - Google Patents
A kind of high heat-flux mobile transformer radiating module and radiating module group Download PDFInfo
- Publication number
- CN108847332A CN108847332A CN201810856793.5A CN201810856793A CN108847332A CN 108847332 A CN108847332 A CN 108847332A CN 201810856793 A CN201810856793 A CN 201810856793A CN 108847332 A CN108847332 A CN 108847332A
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- heat
- radiating module
- pipe
- mobile transformer
- high heat
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 37
- 238000013016 damping Methods 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000003137 locomotive effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 208000021760 high fever Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of high heat-flux mobile transformer radiating module, including heat dissipation tube bank, high pressure vibration damping blower and shell；Heat convection pipe internal surface in heat dissipation tube bank axially installs single thread piece or twin-feed spiral piece additional using multi-thread helicla flute or along it, outer surface is using light pipe or ratio-frequency welding helical fin or monometallic rolled fin or bimetallic composite rolling fin, the airflow direction and the axially vertical arrangement of heat dissipation tube bank for using high pressure vibration damping blower are to reach in heat exchanger tube, the enhanced heat exchange of outer surface, realize that individual module heat dissipation capacity reaches 100kW, it can be according to the string for needing to carry out multimode of different heat dissipation capacities, parallel combination uses, meet high speed, the high heat-flux cooling requirements of superexpress train mobile transformer in a limited space.
Description
Technical field
The present invention relates to the cooling technical field of heat exchange device of air, and in particular to a kind of high heat-flux oil immersion of close-coupled
Formula mobile transformer radiating module.
The invention further relates to the radiating module group formed is combined by above-mentioned radiating module.
Background technique
With the speed-raising of express locomotive and the development of superhigh-speed magnetic hovertrain and exploitation, scooter 300km/h is arrived at that time
The mobile transformer load of 600km/h, train increase in succession, high fever phenomenon when operation are inevitably brought, to transformation
Device has greatly damage.
Application No. is 201621150333.3 Chinese patents to disclose a kind of radiator of conventional oil-immersed transformer
Scheme, the upper butterfly valve in the transformer radiator are connect with lower butterfly valve, upper butterfly valve by oil guide pipe and it is main into
Oil pipe link, the main oil inlet pipe left and right sides is respectively communicated with oil inlet pipe a, oil inlet pipe b, between oil inlet pipe a, oil inlet pipe b and oil return pipe
It is connected to respectively by cooling fin, oil return pipe is located at the underface of main oil inlet pipe, the cooling fin connecting with oil inlet pipe a and oil inlet pipe b
The cooling fin of connection is respectively arranged on oil return pipe respectively, is connected and fixed between cooling fin by fixing muscle, oil inlet pipe a with into
A venting plug is each provided on oil pipe b, the side of cooling fin is provided with ventilating duct, fan, oil return pipe are provided in ventilating duct
It is connected with oil filter below, oil filter is connect with oil-immersed pump, and flowing relay is provided on the oil guide pipe that oil-immersed pump is connect with fuel tank
Device and lower butterfly valve.Radiator of this kind for oil-immersed transformer heat dissipation, it is limited that there are radiating efficiencys, it is difficult to fast prompt drop
Low temperature of oil in transformer, and the problem that equipment volume is excessive, can not be suitably mounted to locomotive bottom has vehicle-mounted change in extreme position
On depressor.
Application No. is 201310699053.2 Chinese patent disclose it is a kind of cold for intercity motor train unit traction transformer
But system, the device include bearing structure beam I, bearing structure beam II and fan box, are equipped with blower fan group in the fan box,
The cooling system further includes that cylinder I, oil radiator I, transition wind are entered the wind in the side being fixedly connected sequentially in described fan box one end
Cylinder I and filter I, it is characterised in that：The side air inlet two sides cylinder I are respectively equipped with side air inlet cylinder lifting seat I, and cylinder is entered the wind in the side
I enters the wind cylinder lifting seat I by the side of two sides and is separately fixed on the bearing structure beam I and the bearing structure beam II,
The two sides the oil radiator I are respectively equipped with oil radiator lifting seat I, the oil radiator I and pass through the oil radiator of two sides
Lifting seat I is separately fixed on the bearing structure beam I and bearing structure beam II.Although radiator in the program solves
Device volume problem, but radiating efficiency is still limited, and intercity EMU highest runs speed per hour only 300km/h, in train operation speed
When degree is further promoted, the promotion of transformer capacity can bring the problem of heat dissipation deficiency.
Therefore, it is badly in need of the radiating module that a kind of heat dissipation capacity is big, small in size in current develop, becomes for high-speed train vehicle-mounted
Depressor heat dissipation, to guarantee the safe and reliable operation of train.
Summary of the invention
Present invention aim to address high speed and the heat dissipation problem of superexpress train mobile transformer in a limited space, if
Count a kind of high heat-flux immersion carriage transformer radiating module of close-coupled.
The present invention uses following technical scheme：
High heat-flux mobile transformer radiating module of the present invention, including blower, heat dissipation tube bank and shell, the wind
Machine, heat dissipation tube bank are fixed in shell, and heat dissipation tube bank is connect with oily import and export pipe；The heat dissipation tube bank includes that several convection current are changed
Heat pipe is correspondingly connected between each straight pipe of heat convection pipe using 180 ° of iso-diameter elbows；The heat dissipation tube bank axial direction and institute
The airflow direction for stating blower is arranged vertically；The shell is frame structure, and in addition to its outlet and inlet side, remaining surrounding is by side plate packet
It covers.
The present invention restrains axially vertical arrangement using fan airflow direction and heat dissipation, realizes forced-convection heat transfer；It adopts simultaneously
It is correspondingly connected with heat convection straight tube and 180 ° of iso-diameter elbows, forms heat dissipation tube bank, under the premise of guaranteeing radiating efficiency, effectively
Reduce the overall dimensions of radiating module.
To improve radiating efficiency, multi-thread helicla flute is arranged in the straight pipe inner surface of the heat convection pipe.Preferably, described
The slot pitch P of multi-thread helicla flute is 1.0~2.0mm, and groove width B is 0.2~0.5mm, and groove depth h is 0.2~0.4mm, pitch angle alpha 30
~40 °.
Single thread piece or twin-feed spiral piece can also be installed additional along axial in the straight pipe of the heat convection pipe.It is preferred that
, the ratio of the pitch P n of the single thread piece and radial maximum width Bn are between 7.5~8.5；The twin-feed spiral piece
Lead Tn and the ratio between pitch P n between 1.8~2.2, the ratio of pitch P n and radial maximum width Bn 7.5~8.5 it
Between.
Multi-thread helicla flute, single thread piece or double end spiral shell is arranged in each straight pipe inner surface of the heat convection pipe in the present invention
Blade can sufficiently break laminar flow of fluid bottom, increase flow disturbance, improve convection transfer rate.
To further enhance above-mentioned technical effect, multi-thread spiral set by each adjacent straight pipe segment inner surface of heat convection pipe
Slot or the single thread piece or twin-feed spiral piece axially installed additional along it are alternately arranged using left and right rotation.
The heat convection tube outer surface can be light pipe, ratio-frequency welding spiral wing can also be arranged in its straight pipe outer surface
Piece or monometallic rolled fin or bimetallic composite rolling fin, to increase heat dissipation area to further increase radiating efficiency.
Meanwhile high pressure vibration damping axial flow blower can be selected as cooling fan, the axial direction of airflow direction and heat dissipation tube bank
Vertically and it is centrally arranged.The high pressure vibration damping axial flow blower refers to that wind pressure in the axial flow blower of 1000~1200Pa, and contains bullet
Property pedestal be used for vibration damping.
The air side of the shell uses mesh solid folded plate, can effectively increase ventilation area, reduces drag losses,
To reinforce forced convertion.Preferably, mesh aperture d≤5~10mm of mesh solid folded plate, mesh planar central are 10 away from D
~15mm, Stereocenter are 40~50mm away from S.
The heat dissipation capacity of the above-mentioned individual module of the present invention is up to 100kW, and compact dimensions, can also be according to different heat dissipation capacities
Need to carry out the series-parallel combination of each module, formed radiating module group come using.
Compared with prior art, the present invention having the advantages that：
It is suitable for the installation of locomotive bottom 1. radiating module structure is compact, small in size；
2. the heat convection pipe in radiating module：Outer surface rolls wing using light pipe, ratio-frequency welding helical fin, monometallic
Piece, bimetallic composite rolling fin；Inner surface using multi-thread helicla flute, install single thread piece, twin-feed spiral piece and in convection current additional
It is alternately arranged in each adjacent straight pipe of heat exchanger tube using left and right rotation, improves heat exchange efficiency, reduce metal consumption；
3. using high pressure vibration damping blower, air-flow and the axially vertical arrangement of heat exchanger tube in radiating module, realize that forced convertion is changed
Heat；
4. shell air side uses mesh solid folded plate, effective protection is played to heat-dissipating pipe, while increasing air circulation face
Product reduces drag losses；
5. radiating module can flexible combination, can according to different heat dissipation capacities need the series and parallel for carrying out multimode combination make
With.
Detailed description of the invention
Fig. 1 is modular structure elevational schematic view；
Fig. 2 is the top view of module shown in Fig. 1；
Fig. 3 is mesh solid folded plate main view；
Fig. 4 is mesh solid folded plate left view；
Fig. 5 is mesh solid folded plate top view；
Fig. 6 is the heat convection pipe main sectional view that inner surface uses multi-thread helical groove structure；
Fig. 7 is the left cross-sectional view of heat convection pipe that inner surface uses multi-thread helical groove structure；
Fig. 8 is the heat convection inside pipe wall face partial enlarged view that inner surface uses multi-thread helical groove structure；
Fig. 9 is the internal heat convection pipe main sectional view for installing single thread piece additional；
Figure 10 is the internal left cross-sectional view of heat convection pipe for installing single thread piece additional；
Figure 11 is the internal heat convection pipe main sectional view for installing twin-feed spiral piece additional；
Figure 12 is the internal left cross-sectional view of heat convection pipe for installing twin-feed spiral piece additional；
In figure：1, heat dissipation tube bank；1-1, oil inlet pipe；1-2, import header；1-3, heat convection pipe；1-4, outlet collection
Case；1-5, oil export pipe；2, high pressure vibration damping blower；3, shell；3-1, inlet side；3-2, air side.
Specific embodiment
As shown in Figures 1 and 2, individual module of the present invention includes heat dissipation tube bank 1, high pressure vibration damping blower 2 and shell 3.
As shown in Figure 1, heat dissipation tube bank 1 includes oil inlet pipe 1-1, import header 1-2, heat convection pipe 1-3, outlet header
1-4, oil export pipe 1-5.Oil inlet pipe 1-1 is connected to the lower part of import header 1-2 closed at both ends；Oil export pipe 1-4 and two
The top of closed outlet header 1-4 is held to be connected to.It is connected between each straight section of heat convection pipe 1-3 using isometrical 180 ° of elbows, two
End is connect with import and export header, therefore, can flexibly realize the combination of more gauge modules.
As shown in Fig. 2, the airflow direction of high pressure vibration damping blower 2 is axially vertical with heat dissipation tube bank 1 and is centrally arranged, heat-dissipating pipe
Beam 1 and high pressure vibration damping blower 2 are fixed in shell 3, are integrally formed module；Shell 2 is frame structure, removes inlet side 3-1, outlet air
Outside the 3-2 of side, remaining surrounding is all coated by side plate, and air side 3-2 is mesh solid folded plate.
As seen in figures 3-5, mesh solid folded plate, preferred size used by the 3-2 of air side are：Mesh aperture d≤5
~10mm, mesh planar central are 10~15mm away from D, and Stereocenter is 40~50mm away from S.
As shown in Figure 1, 2, width B1≤700mm of heat dissipation tube bank 1, it is long containing module overall width B2≤1300mm after blower
L≤1200mm, height H≤700mm are spent, the requirement of the limited accommodation space of radiating module can be sufficiently met.
Consider that the outer surface of heat convection pipe 1-3 can be light pipe based on heat exchange efficiency, can also as shown in Fig. 6,9 and 11,
It directlys adopt ratio-frequency welding helical fin or monometallic rolled fin or uses bimetallic composite rolling fin, to increase radiating surface
Product.
Meanwhile multi-thread helical groove structure can be used in the inner surface of heat convection pipe 1-3, and as can be seen from figures 6 to 8, the multi-thread spiral shell
Spin slot preferred size is：Slot pitch P is 1.0~2.0mm, and groove width B is 0.2~0.5mm, and groove depth h is 0.2~0.4mm, pitch angle alpha
It is 30~40 °.
As shown in Fig. 9~10, the inner surface of heat convection pipe 1-3 axially can also install single thread piece additional along it, preferably
Having a size of：The ratio of pitch P n and radial maximum width Bn are between 7.5~8.5.
As shown in Figure 11~12, the inner surface of heat convection pipe 1-3 can also install twin-feed spiral piece additional, and the twin-feed spiral piece is excellent
Choosing having a size of：The ratio between lead Tn and pitch P n be between 1.8~2.2, the ratio of pitch P n and radial maximum width Bn 7.5~
Between 8.5.
The inner surface of heat convection pipe 1-3 uses the above-mentioned structure as shown in Fig. 6~8,9~10 or 11~12, can sufficiently beat
Broken laminar flow of fluid bottom, increases flow disturbance, improves convection transfer rate.To further increase the technical effect, heat convection
Multi-thread helicla flute set by each adjacent straight pipe segment inner surface of pipe 1-3 or the single thread piece or double end spiral shell axially installed additional along it
Blade is alternately arranged using left and right rotation.
Based on above-mentioned preferred embodiment, the heat dissipation capacity of individual module of the present invention, and can be according to different heat dissipations up to 100kW
Amount need to carry out multimode series and parallel combination, formed radiating module group carry out using.
Working method of the present invention is as follows：
High-temperature insulation oil from transformer realizes forced-convection heat transfer with high pressure vibration damping blower 2 by heat dissipation tube bank 1,
Achieve the purpose that oily cooling and heat dissipation.High-temperature insulation oil enters import header 1-2 by oil inlet pipe 1-1, flows through several convection current and changes
Heat pipe 1-3 flows into outlet header 1-4 after radiating and cooling, then is flowed out by oil export pipe 1-5, and the insulating oil after cooling down is again
It flows back to transformer and continues cycling through work.
Individual module heat dissipation capacity of the present invention reaches 100kW, combines in series and parallel through multimode, can meet speed per hour 300km/h and arrive
The heat dissipation of the express locomotive and superhigh-speed magnetic hovertrain of 600km/h high power mobile transformer needs.
Claims (10)
1. a kind of high heat-flux mobile transformer radiating module, including blower, heat dissipation tube bank and shell, the blower, heat-dissipating pipe
Beam is fixed in shell, and heat dissipation tube bank is connect with oily import and export pipe, it is characterised in that：The heat dissipation tube bank includes several convection current
Heat exchanger tube is correspondingly connected between each straight tube of heat convection pipe using 180 ° of iso-diameter elbows；The heat dissipation tube bank axial direction and institute
The airflow direction for stating blower is arranged vertically；The shell is frame structure, and in addition to its outlet and inlet side, remaining surrounding is by side plate packet
It covers.
2. a kind of high heat-flux mobile transformer radiating module according to claim 1, it is characterised in that：The convection current is changed
Multi-thread helicla flute is arranged in the straight pipe inner surface of heat pipe.
3. a kind of high heat-flux mobile transformer radiating module according to claim 2, it is characterised in that：The multi-thread spiral shell
The slot pitch P of spin slot is 1.0~2.0mm, and groove width B is 0.2~0.5mm, and groove depth h is 0.2~0.4mm, and pitch angle alpha is 30~40 °.
4. a kind of high heat-flux mobile transformer radiating module according to claim 1, it is characterised in that：The convection current is changed
The straight pipe inner surface of heat pipe installs single thread piece or twin-feed spiral piece additional along axial.
5. a kind of high heat-flux mobile transformer radiating module according to claim 4, it is characterised in that：The single head spiral shell
The ratio of the pitch P n of blade and radial maximum width Bn are between 7.5~8.5；The lead Tn and screw pitch of the twin-feed spiral piece
The ratio between Pn is between 1.8~2.2, and the ratio of pitch P n and radial maximum width Bn are between 7.5~8.5.
6. a kind of high heat-flux mobile transformer radiating module according to claim 2,3,4 or 5, it is characterised in that：
Multi-thread helicla flute, single thread piece or the twin-feed spiral piece of each adjacent straight pipe segment inner surface setting of the heat convection pipe be it is left,
Dextrorotation is alternately arranged.
7. a kind of high heat-flux mobile transformer radiating module according to claim 1, it is characterised in that：The convection current is changed
The straight pipe outer surface setting ratio-frequency welding helical fin or monometallic rolled fin or bimetallic composite rolling fin of heat pipe.
8. a kind of high heat-flux mobile transformer radiating module according to claim 1, it is characterised in that：The blower is
High pressure vibration damping axial flow blower.
9. a kind of high heat-flux mobile transformer radiating module according to claim 1, it is characterised in that：The shell
Air side use mesh solid folded plate, mesh aperture d≤5~10mm of mesh solid folded plate, mesh planar central away from D be 10~
15mm, Stereocenter are 40~50mm away from S.
10. a kind of high heat-flux mobile transformer radiating module group, it is characterised in that：Any one as described in claim 1-9
Kind high heat-flux mobile transformer radiating module serial or parallel connection combines to be formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856793.5A CN108847332A (en) | 2018-07-31 | 2018-07-31 | A kind of high heat-flux mobile transformer radiating module and radiating module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856793.5A CN108847332A (en) | 2018-07-31 | 2018-07-31 | A kind of high heat-flux mobile transformer radiating module and radiating module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108847332A true CN108847332A (en) | 2018-11-20 |
Family
ID=64195350
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810856793.5A Pending CN108847332A (en) | 2018-07-31 | 2018-07-31 | A kind of high heat-flux mobile transformer radiating module and radiating module group |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2731656Y (en) * | 2004-09-28 | 2005-10-05 | 袁炳林 | Forced oil-circulating air cooling device for transformer |
| JP2006196794A (en) * | 2005-01-14 | 2006-07-27 | Chugoku Electric Power Co Inc:The | Snow damage preventing device for cooling fan |
| CN204884785U (en) * | 2015-07-30 | 2015-12-16 | 国家电网公司 | Power transformer heat abstractor |
| CN205918707U (en) * | 2016-08-25 | 2017-02-01 | 彭程林 | Three -dimensional manage -style cold type oil cooler |
| CN208607992U (en) * | 2018-07-31 | 2019-03-15 | 南京圣诺热管有限公司 | A kind of high heat-flux mobile transformer radiating module and radiating module group |
-
2018
- 2018-07-31 CN CN201810856793.5A patent/CN108847332A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2731656Y (en) * | 2004-09-28 | 2005-10-05 | 袁炳林 | Forced oil-circulating air cooling device for transformer |
| JP2006196794A (en) * | 2005-01-14 | 2006-07-27 | Chugoku Electric Power Co Inc:The | Snow damage preventing device for cooling fan |
| CN204884785U (en) * | 2015-07-30 | 2015-12-16 | 国家电网公司 | Power transformer heat abstractor |
| CN205918707U (en) * | 2016-08-25 | 2017-02-01 | 彭程林 | Three -dimensional manage -style cold type oil cooler |
| CN208607992U (en) * | 2018-07-31 | 2019-03-15 | 南京圣诺热管有限公司 | A kind of high heat-flux mobile transformer radiating module and radiating module group |
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