CN207818332U - The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel - Google Patents
The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel Download PDFInfo
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- CN207818332U CN207818332U CN201820316408.3U CN201820316408U CN207818332U CN 207818332 U CN207818332 U CN 207818332U CN 201820316408 U CN201820316408 U CN 201820316408U CN 207818332 U CN207818332 U CN 207818332U
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- radiator
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- oil pipe
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Abstract
The utility model provides a kind of overhead multichannel air inlet heat dissipation motor train unit traction transformer cooling device in parallel, including cooling device main body, main oil pipe system and balanced guard system three parts, cooling device main body includes the first radiator and the second radiator, it is respectively placed in wind turbine left and right ends, first radiator and the second radiator are integrated with a service tank respectively, Buffer bypass is provided for cooling oil, cooling air respectively enters the first radiator and the second radiator from both ends, increase front face area, reduce duct resistance, to reduce power of fan, being finally reached reduces the purpose of cooling device noise；Wind turbine uses sawtooth impeller, and eddy current crack is reduced to realize noise reduction purpose by improving impeller jet stream tail.
Description
Technical field
The utility model is related to EMU fields, particularly, are related to a kind of overhead multichannel air inlet heat dissipation EMU in parallel and lead
Draw transformer cooling device.
Background technology
The tractive transformer of modern quickly EMU is usually used dedicated transformer oily (ester oil) and is cooled down, transformer
Oil is both dielectric, and cooling medium.With the speed of EMU and the increase of marshalling, traction power is increasing,
Heating power is also inevitable to be increased therewith.
To ensure that transformer oil is fully cooled, mating cooling device is also required to increase heat radiation power, it is crucial that cold
But air quantity needs corresponding increase, this will lead to problems such as bulk insufficient and noise increases.
Domestic and international locomotive or motor-car cooling device there are problems that more following at present：
1 is influenced by surrounding devices, and motor train unit cooling apparatus size cannot design too greatly, and heat radiation power is less (≤160KW).
The noise of 2 unit powers is affected to interior driver and conductor than big (>=1.05dB/kw).
3 cooling medium connecting lines mainly use connection by metal hose, and oil resistance is larger, and cleaning is difficult.
4 pipeline coupling flanges are circular flange, and the size that takes up space is big, and structure is not compact.
Utility model content
The utility model aim is to provide a kind of overhead multichannel air inlet heat dissipation motor train unit traction transformer cooling dress in parallel
It sets, belongs to the mating cooling device of the quick EMU of railway (including urban rail, subway) tractive transformer oil circuit, ensureing transformer
Under the premise of oil circuit heat radiation power, agent structure is compact, light-weight, manufacturing cost is low, and noise is low, is influenced on occupant light
It is micro-.
To achieve the above object, the utility model provides that a kind of heat radiation power is big (250KW), and overhead multichannel air inlet is in parallel
Radiate low noise motor train unit traction transformer cooling device, including cooling device main body, main oil pipe system and balanced guard system three
Part, transformer are equipped with oil circuit, which connects into closed circulation, the cooling with cooling device main body by main oil pipe system
Apparatus main body includes wind turbine, the first radiator and the second radiator in parallel, and wind turbine is equipped with cooling air outlet, the first radiator
It is respectively connected to the outlet with the second radiator；The equilibrium guard system includes two service tanks, and each service tank is all provided with
Have gas outlet and oil outlet, they respectively with dehumidifier and oil communication, in transformer oil expanded by heating, two service tanks
Interior oil level rises, and upper space is outwardly vented by dehumidifier；When transformer oil cooling meat, oil level in two service tanks
Decline, after outside air removes steam by dehumidifier, into service tank upper space.
As one of preferred technical solution, the cooling device main body be mounted on car body top, the noise sent out by
To the barrier of roof partition board, the influence to passenger is reduced.
As one of preferred technical solution, the wind turbine is four impeller box centrifugal blower of bi-motor, using sawtooth leaf
Wheel improves impeller jet stream tail, eddy current crack is reduced, to realize noise reduction purpose.
As one of preferred technical solution, the main body of the first radiator or the second radiator is radiator core body, each
One service tank of upper weld of radiator core body, service tank with radiator core body is mutually isolated is not connected to, two auxiliary
The bottom of fuel tank is connected to by oil pipe, and top is connected to by snorkel so that the oil level in two service tanks is contour.
As further preferred one of technical solution, it is aobvious that the corresponding service tank side of the first radiator is additionally provided with liquid level
Show device, for showing the level height in service tank.
As one of preferred technical solution, the first radiator or the second radiator are equipped with oil inlet and oil outlet, preceding
Oil inlet SAE flanges are equipped between person and main oil pipe system, the latter connect by passing in and out oil connecting pipe with radiator core body.
As one of preferred technical solution, the inlet side of the first radiator is equipped with 2 SAE flange-interfaces, is used for and master
The roof oil pipe of tubing system is connected, and the air side of the first radiator is equipped with the tubing interface of 2 outer diameter φ 60, for passing through
Radiator connection is connected with the tubing interface of the second radiator.
As one of preferred technical solution, the first radiator and the second radiator assemble 2 lifting bolts respectively, use
In individually the first radiator of lifting or the second radiator, or entire cooling device main body is lifted.
As one of preferred technical solution, respectively assembly 1 is fast for the upper and lower part of the first radiator or the second radiator
Quick coupling, for being refueled to the first radiator or the second radiator, oil extraction and bleeding.
As one of preferred technical solution, the first radiator and the second radiator are separately mounted to the both ends of wind turbine.
As one of preferred technical solution, the main oil pipe system includes oil pump and oil pipe, and oil pipe is divided into be connected successively
Logical underbody oil pipe, intermediate oil pipe and roof oil pipe.
As further preferred one of technical solution, intermediate oil pipe is separated with roof oil pipe by roof partition board, intermediate
Oil pipe is separated with underbody oil pipe by underbody partition board.
As one of technical solution still more preferably, between roof partition board and roof oil pipe, underbody partition board and underbody
It is respectively equipped with expansion joint between oil pipe, for adjusting rigging error, reduces component processing and packaging technology difficulty, saves production system
Make cost.
As one of technical solution still more preferably, the main body of the expansion joint is rubber elastomer, both ends point
It She You not SAE flanges.
As one of technical solution still more preferably, intermediate oil pipe is equipped with ball valve at the position of underbody partition board.
When transformer needs to safeguard, ball valve can be closed, without all emitting the oil of cooling device body interior, simplifies behaviour
Make service procedure.
As one of technical solution still more preferably, the upper and lower part of the intermediate oil pipe passes through upper tube respectively
Road holder and the support of lower pipeline holder are fixed.
As further preferred one of technical solution, the main oil pipe system is welded using hard tube, common with locomotive
Metal bellow compares, and oil resistance is greatly lowered, and easy to clean clean.
As further preferred one of technical solution, the oil connection flange uses SAE flanged joints, normal with locomotive
It is compared with circular flange, it is compact-sized, it occupies locomotive bulk and greatly declines.
As one of preferred technical solution, the transformer oil outlet is connected to by equalizer line with service tank.
As one of preferred technical solution, described two service tanks are respectively welded to the first radiator and second and dissipate
Hot device, makes full use of installation space.
As one of preferred technical solution, described two service tanks, corresponding two gas outlets pass through snorkel
Connection, two oil outlets are connected to by oil pipe, collectively form the Buffer bypass of oil circuit.
As further preferred one of technical solution, described two gas outlets are connected with snorkel by union elbow
It connects.
The operation principle of the utility model：
High-temperature transformer oil imports the first radiator and the second radiator of cooling device from transformer Oil Tank by oil pipe
Corresponding radiator core body, cooling air enter the air duct side of the first radiator and the second radiator from car body both sides side wall, lead to
It crosses air blast cooling to be discharged to heat outside vehicle from roof by cooling air, low-temperature oil after cooling flows back to transformer oil by oil pipe
Cabinet ensures that transformer operating temperature is no more than limit value.
When being worked due to transformer, transformer oil can expand with heat and contract with cold, and volume changes.It will be assisted by equalizer line
The oil communication of fuel tank and transformer constitutes buffer loop, ensures that oil circuit pressure is balanced.
The utility model has the advantages that：
The utility model includes cooling device main body, main oil pipe system and balanced guard system three parts, cooling device main body
Including the first radiator and the second radiator, wind turbine left and right ends are respectively placed in, the first radiator and the second radiator collect respectively
At a service tank, Buffer bypass is provided for cooling oil, cooling air respectively enters the first radiator and second from both ends
Radiator increases front face area, reduces duct resistance, and to reduce power of fan, being finally reached, which reduces cooling device, makes an uproar
The purpose of sound；First radiator and the second radiator are connected using parallel way, ensure that the two temperature field parameters are consistent, simplification is set
Meter (according to series system, then temperature field is different, and design difficulty is big).Wind turbine uses sawtooth impeller, by improving impeller jet stream tail
Mark reduces eddy current crack to realize noise reduction purpose.
Main oil pipe system is welded using hard tube, and joint uses SAE flanged joints, and adjusts assembly using expansion joint and miss
Difference.Cooling device main body has the advantages that windage is small, noise is low, the small, easy cleaning of oily resistance.
Compared to the cooling system of an independent radiator, there are axial thrust be difficult to balance cause fan vibration it is exceeded,
Air quantity is uneven and oil stream amount it is uneven to cause heat radiation power uneven etc. difficult, the utility model is by strictly controlling fan shaft
The distribution hindered to balance, impeller assignment of traffic and radiator oil circuit oil, and cooling device is ensured using oil circuit mode in parallel
Vibration performance, heat dissipation performance meet design requirement.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the attachment structure schematic diagram of cooling device main body and other component；
Fig. 3 is the structural schematic diagram of cooling device main body；
Fig. 4 is the decomposition texture schematic diagram of main tubing system；
Fig. 5 a and Fig. 5 b are respectively the structural schematic diagram of the first radiator and the second radiator；
Fig. 6 is the structural schematic diagram of expansion joint；
Fig. 7 is the principle schematic diagram of pipe jointer, and figure (a) is front view, and figure (b) is side view.
Wherein, 1-transformer, 2-oil pumps, 3-oil pipes, 4-ball valves, the 5-the first radiator or the second radiator, 6-
Wind turbine, 7-service tanks, 8-dehumidifiers, 9-equalizer lines, 10-cooling device main bodys, 11-expansion joints, 12-roofs every
Plate, 13-supports of pipelines, 14-lifting bolts, 15-quick couplings, 16-pipe jointers, 17-radiator connections,
18-the first radiator, 19-union elbows, 20-snorkels, 21-oil pipes, the 22-the second radiator, 23-roofs oil
Pipe, 24-roof partition boards, 25-upper pipe holders, 26-intermediate oil pipes, 27-lower pipeline holders, 28-underbody partition boards,
29- disengaging oil connecting pipes, 30- radiator core bodies, 31- oil inlet SAE flanges, the tubing interface of 32- φ 60,33- liquid levels are shown
Device, 34-SAE flanges, 35- rubber elastomers.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Embodiment：
Such as Fig. 1~4, Fig. 5 a, Fig. 5 b and Fig. 6, a kind of overhead multichannel air inlet heat dissipation EMU traction change in parallel shown in Fig. 7
Depressor cooling device, including cooling device main body 10, main oil pipe system and balanced guard system three parts, transformer 1 are equipped with oil circuit,
The oil circuit and cooling device main body 10 connect into closed circulation by main oil pipe system, and cooling device main body 10 includes wind turbine 6, simultaneously
The first radiator 18 and the second radiator 22 of connection, wind turbine 6 are equipped with cooling air outlet, the first radiator 18 and the second radiator
22 are respectively connected to the outlet；Balanced guard system includes two service tanks 7, and each service tank 7 is equipped with gas outlet and goes out
Hydraulic fluid port, they respectively with dehumidifier 8 and oil communication, in transformer oil expanded by heating, in two service tanks 7 on oil level
It rises, upper space is outwardly vented by dehumidifier 8；When transformer oil cooling meat, oil level declines in two service tanks 7,
After outside air removes steam by dehumidifier 8, into 7 upper space of service tank.
Wind turbine 6 is four impeller box centrifugal blower of bi-motor, using sawtooth impeller, improves impeller jet stream tail, reduces whirlpool
Flow noise, to realize noise reduction purpose.
The main body of first radiator or the second radiator 5 is radiator core body 30, and the top of each radiator core body 30 is welded
Connect a service tank 7, service tank 7 with radiator core body 30 is mutually isolated is not connected to, the bottom of two service tanks 7 passes through
Oil pipe 21 is connected to, and top is connected to by snorkel 20 so that the oil level in two service tanks 7 is contour.First radiator 18
Corresponding 7 side of service tank is additionally provided with liquid level display 33, for showing the level height in service tank 7.First heat dissipation
Device or the second radiator 5 are equipped with oil inlet and oil outlet, the former is equipped with oil inlet SAE flanges 31 between main oil pipe system,
The latter is connect by passing in and out oil connecting pipe 29 with radiator core body 30.
Cooling device main body 10 is mounted on car body top, and the noise sent out is by the barrier of roof partition board 24, reduction pair
The influence of passenger.First radiator or the second radiator 5 assemble 2 lifting bolts 14 respectively, for individually lifting first
Radiator or the second radiator 5, or entire cooling device main body 10 is lifted.First radiator or the second radiator 5
Upper and lower part respectively assembly 1 quick coupling 15, for being refueled to the first radiator or the second radiator 5, oil extraction and
Bleeding.First radiator 18 and 22 oil inlet of the second radiator are provided with flow distribution structure, ensure the first radiator 18
With 22 flow equalization of the second radiator.First radiator 18 and the second radiator 22 are separately mounted to the both ends of wind turbine 6, and first dissipates
Connected by pipe jointer 16 and radiator connection 17 between 22 corresponding radiator core body 30 of hot device 18 and the second radiator
It is logical, shunt circuit is formed, it is identical with 22 temperature of the second radiator, resistance, flow parameter convenient for the first radiator 18, simplify heat dissipation
(according to cascaded structure, then the first radiator 18 and 22 parameter of the second radiator differ 30 structure design of device core, design ratio
It is more complex).
The inlet side of first radiator 18 is equipped with 2 SAE flange-interfaces, for being connected with the roof oil pipe of main oil pipe system
It connects, the air side of the first radiator 18 is equipped with the tubing interface 32 of 2 outer diameter φ 60, for passing through pipe jointer 16, heat dissipation
Device connecting tube 17 is connected with the tubing interface 32 of the second radiator 22.
Main oil pipe system includes oil pump 2 and oil pipe 3, and oil pipe 3 divides for underbody oil pipe, intermediate oil pipe and roof oil pipe, and three
Person is sequentially communicated, and intermediate oil pipe is separated with roof oil pipe by roof partition board 24, intermediate oil pipe and underbody oil pipe by underbody every
Plate 28 separates.It is respectively equipped with expansion joint 11 between roof partition board 24 and roof oil pipe, between underbody partition board 28 and underbody oil pipe, is used
In adjusting rigging error, component processing and packaging technology difficulty are reduced, cost is manufactured in saving.The main body of expansion joint 11 is rubber
Glue elastomer 35, both ends are respectively equipped with SAE flanges 34.
Intermediate oil pipe 26 is equipped with ball valve 4 at the position of underbody partition board 28.When transformer 1 needs to safeguard, Ke Yiguan
Ball valve 4 is closed, without all emitting the oil inside cooling device main body 10, simplifies Operation and Maintenance technique.Intermediate oil pipe 26
Upper and lower part pass through upper pipe holder 25 and lower pipeline holder 27 respectively and support.
Main oil pipe system is welded using hard tube, and joint flange uses SAE flanged joints.
Oil pipe 3 is fixed using support of pipelines 13, and compared with the common metal bellow of locomotive, oil resistance is greatly dropped
It is low and easy to clean clean.Oil outlet is connected to by equalizer line 9 with service tank 7.Two service tanks 7 are respectively welded to
First radiator 18 and the second radiator 22, make full use of installation space.Two service tanks 7, corresponding two gas outlets are logical
The connection of snorkel 20 is crossed, two oil outlets are connected to by oil pipe 21, collectively form the Buffer bypass of oil circuit.Two gas outlets with
Snorkel 20 is connected by union elbow 19.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of overhead multichannel air inlet heat dissipation motor train unit traction transformer cooling device in parallel, which is characterized in that filled including cooling
Main body, main oil pipe system and balanced guard system three parts are set, transformer is equipped with oil circuit, which passes through master with cooling device main body
Tubing system connects into closed circulation, and the cooling device main body includes wind turbine, the first radiator and the second radiator in parallel,
Wind turbine is equipped with cooling air outlet, and the first radiator and the second radiator are respectively connected to the outlet；The equilibrium guard system packet
Include two service tanks, each service tank is equipped with gas outlet and oil outlet, they respectively with dehumidifier and oil communication.
2. cooling device according to claim 1, which is characterized in that the wind turbine is that four impeller box of bi-motor centrifuges wind
Machine, using sawtooth impeller.
3. cooling device according to claim 1, which is characterized in that the cooling device main body is mounted on car body top.
4. cooling device according to claim 1, which is characterized in that the first radiator and the second radiator are separately mounted to
The both ends of wind turbine.
5. cooling device according to claim 1, which is characterized in that the main oil pipe system includes oil pump and oil pipe,
Oil pipe is divided into the underbody oil pipe being sequentially communicated, intermediate oil pipe and roof oil pipe.
6. cooling device according to claim 5, which is characterized in that intermediate oil pipe and roof oil pipe by roof partition board every
It opens, intermediate oil pipe is separated with underbody oil pipe by underbody partition board.
7. cooling device according to claim 1, which is characterized in that the oil outlet is connected by equalizer line and service tank
It is logical.
8. cooling device according to claim 1, which is characterized in that two service tanks are respectively welded to first
Radiator and the second radiator.
9. cooling device according to claim 1, which is characterized in that two service tanks, corresponding two go out
Gas port is connected to by snorkel, and two oil outlets are connected to by oil pipe, collectively form the Buffer bypass of oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316408.3U CN207818332U (en) | 2018-03-08 | 2018-03-08 | The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316408.3U CN207818332U (en) | 2018-03-08 | 2018-03-08 | The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818332U true CN207818332U (en) | 2018-09-04 |
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ID=63320675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820316408.3U Active CN207818332U (en) | 2018-03-08 | 2018-03-08 | The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel |
Country Status (1)
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|---|---|
| CN (1) | CN207818332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447657A (en) * | 2018-03-08 | 2018-08-24 | 株洲联诚集团控股股份有限公司 | The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel |
-
2018
- 2018-03-08 CN CN201820316408.3U patent/CN207818332U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447657A (en) * | 2018-03-08 | 2018-08-24 | 株洲联诚集团控股股份有限公司 | The motor train unit traction transformer cooling device of overhead multichannel air inlet heat dissipation in parallel |
| CN108447657B (en) * | 2018-03-08 | 2024-03-12 | 株洲联诚集团控股股份有限公司 | Overhead multi-channel air inlet parallel radiating motor train unit traction transformer cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230614 Address after: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Address before: 412001 Hunan Province, Zhuzhou Shifeng District Tian Xin North Gate Patentee before: ZHUZHOU LINCE GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |