CN108735450A - A kind of cooling system of tractive transformer for rail vehicle - Google Patents
A kind of cooling system of tractive transformer for rail vehicle Download PDFInfo
- Publication number
- CN108735450A CN108735450A CN201810789107.7A CN201810789107A CN108735450A CN 108735450 A CN108735450 A CN 108735450A CN 201810789107 A CN201810789107 A CN 201810789107A CN 108735450 A CN108735450 A CN 108735450A
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- CN
- China
- Prior art keywords
- rail vehicle
- cooling system
- tractive transformer
- cooler
- wind turbine
- Prior art date
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Classifications
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- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of cooling systems of the tractive transformer for rail vehicle, including the circulating oil path being arranged between the oil inlet and outlet of the cooling system of tractive transformer and the cooling unit being fixed on the bottom or tractive transformer of rail vehicle, circulating oil path includes the first subcycle oil circuit and the second subcycle oil circuit being arranged in parallel between oil inlet and outlet, and cooling unit includes the first sub- cooling unit being arranged on the first subcycle oil circuit and the second sub- cooling unit being arranged on the second subcycle oil circuit.Above-mentioned cooling system, one big cooling system two small sub- cooling units have been distributed into, so that the corresponding operation element of sub- cooling unit, for example the power of cooler, wind turbine and motor reduces accordingly, and then operation element more tends to miniaturization, lightweight, low energy consumption and low noise, and arrangement can be more convenient and flexible after operation element miniaturization.
Description
Technical field
The present invention relates to the coolings of technical field of rail traffic more particularly to a kind of tractive transformer for rail vehicle
System.
Background technology
The type of cooling of existing rail traffic tractive transformer is mainly that forced oil-circulation is air-cooled, and cooling system utilizes wind
Machine impeller rotates under the drive of motor, and forcing functions air flows transversely across oil cooler along train, and the high temperature in transformer is cold
But medium enters cooler core under the action of oil pump by oil pipe, and hot friendship is carried out with cooling air in cooler core body
It changes, the cooling medium after being cooled flows back into tractive transformer fuel tank again, carries out heat exchange with each component in fuel tank, follows according to this
Ring realizes the cooling to tractive transformer.
With the fast development of rail traffic, miniaturization, lightweight, low energy consumption and environmental-friendly rail traffic parts
Design is increasingly important.EMU has been realized in from 140km/h, 200km/h, 300km/h, 400km/h to 500km/h at present
The train product of friction speed grade, each train traction transformer cooling system are often mounted on train bottom, and bulk is tight
Lattice are limited.Existing common tractive transformer cooling system is single oil circuit cooling system, such cooling system is larger in heat dissipation performance
When, according to two wind turbines, longer dimension so that the length dimension of entire tractive transformer increases, and occupancy underbody space is big,
Train bottom space, while heavier-weight cannot be effectively utilized, increasingly important Lightweight Technology index cannot be met；If adopting
With single wind turbine, height dimension is difficult to meet car body requirement, while fan performance is big, and power for auxiliary machinery is big, and energy consumption is higher, and makes an uproar
Sound pitch, it is difficult to meet the comfort level requirement of rail vehicle now.In addition, single oil circuit cooling system is when heat dissipation performance is larger, it is cold
But device core is thicker, and cooler is difficult to clean totally, is easy to block corrosion, is unfavorable for the extension of cooler service life, to cold
But the repair and maintenance of device brings difficulty.Therefore, traditional cooling system is difficult to meet big cooling performance, miniaturization, lightweight, low energy
The requirement of consumption, low noise, easy care.
In conclusion the cooling system for how solving the tractive transformer of track train is difficult to meet big cooling performance, small
Type, lightweight, low energy consumption, low noise, easy care requirement the problem of have become those skilled in the art's urgent need to resolve
Technical barrier.
Invention content
The object of the present invention is to provide a kind of cooling systems of the tractive transformer for rail vehicle, big cooling to meet
Performance, miniaturization, lightweight, low energy consumption, the requirement of low noise, easy care.
To achieve the goals above, the present invention provides a kind of cooling system of the tractive transformer for rail vehicle,
Including the circulating oil path being arranged between the oil inlet and outlet of the cooling system of the tractive transformer and it is fixed on described
The bottom of rail vehicle or the cooling unit on tractive transformer, the circulating oil path include be arranged in parallel in the oil inlet with
The first subcycle oil circuit between the oil outlet and the second subcycle oil circuit, the cooling unit include being arranged described first
The first sub- cooling unit on subcycle oil circuit and the second sub- cooling unit being arranged on the second subcycle oil circuit.
Preferably, the described first sub- cooling unit and the second sub- cooling unit include cooler, are used for described
The motor of the wind turbine of the offer wind-force of cooler and the impeller for driving the wind turbine.
Preferably, the cooling system further includes the bearing beam of two parallel arrangements, and the bearing beam is used for and institute
Bottom or the tractive transformer connection of rail vehicle are stated, the cooler, the wind turbine and the motor are lifted on two institutes
It states between bearing beam.
Preferably, damper is also set up between the wind turbine and the bearing beam.
Preferably, motor mounting plate is provided on the wind turbine, the motor is fixed on the motor mounting plate.
Preferably, it is additionally provided with sealing strip between the wind turbine and the cooler.
Preferably, gas vent, relief port and quick coupling are provided on the cooler；
The gas vent, for what the gas inside the cooler was discharged；
The relief port, for the cooling medium inside the cooler to be discharged；
The quick coupling is at least used to inject cooling medium and discharge gas into the cooler.
Preferably, the described first sub- cooling unit and the second sub- cooling unit are also included for entering cooler
The filter that is filtered of air.
Preferably, the air intake of the corresponding filter is provided with filter screen.
Preferably, the air intake of the corresponding filter is provided with fixed frame, and the filter screen is fixed on the fixed frame
On.
Preferably, the filter screen is also connect by Anti-rope drop with the filter.
Preferably, the side of the cooler is inlet side, and the other side of the cooler is air side, the filter
Mounted on the inlet side, the wind turbine is air-draft-type wind turbine, air side peace described in the air inlet face of the air-draft-type wind turbine
Dress.
Preferably, the air channel structure in the cooler is the corrugated fin structure or sawtooth mismatch fin of smooth non-incision
Structure.
Preferably, the air-draft-type wind turbine is centrifugal blower, and the outlet air mouth down of the centrifugal blower is arranged.
Preferably, the air outlet is circumferentially provided with caulking gum, and the caulking gum is for preventing the air outlet
The hot gas of outflow enters in the body apparatus cabin of the rail vehicle.
Preferably, the cavity of the wind turbine, the cooler and the filter are that aluminium is made.
Preferably, the both sides of the wind turbine are provided with wind turbine anti-off board, and the both sides of the cooler are provided with cooler and prevent
De- plate, the wind turbine anti-off board and the cooler anti-off board are bolted with the bearing beam.
Content, the cooling system of the above-mentioned tractive transformer for rail vehicle are introduced compared to background technology, including is set
It sets the circulating oil path between the oil inlet and outlet of the cooling system of tractive transformer and is fixed on the bottom of rail vehicle
Or the cooling unit on tractive transformer, circulating oil path include the first subcycle being arranged in parallel between oil inlet and outlet
Oil circuit and the second subcycle oil circuit, cooling unit include the first sub- cooling unit being arranged on the first subcycle oil circuit and setting
The second sub- cooling unit on the second subcycle oil circuit.Above-mentioned cooling system, by the way that circulating oil path to be arranged to be arranged in parallel
The first subcycle oil circuit and the second subcycle oil circuit, and respectively by first sub- cooling unit pair the first subcycle oil circuit
Cooling medium cooled down, cooled down by the cooling medium in second sub- cooling unit pair the second subcycle oil circuit, will
One big cooling system has been distributed into two small sub- cooling units, so that the corresponding operation element of sub- cooling unit,
For example the power of cooler, wind turbine and motor reduces accordingly, and then operation element more tends to miniaturization, lightweight, low energy
Consumption, low noise and easy care, and arrangement can be more convenient and flexible after operation element miniaturization, in addition, by being arranged to two
The form of sub- cooling unit, after one of break down, another still is able to provide certain heat sinking function, reduces scattered
The entirely ineffective probability of hot function.
Description of the drawings
Fig. 1 is that the front view structure of the cooling system of the tractive transformer provided in an embodiment of the present invention for rail vehicle is shown
It is intended to；
Fig. 2 is that the plan structure of the cooling system of the tractive transformer provided in an embodiment of the present invention for rail vehicle is shown
It is intended to.
In figure 1 above and Fig. 2,
Oil inlet 1, oil outlet 2, the first subcycle oil circuit 3, the second subcycle oil circuit 4, the first sub- cooling unit 5, second
Sub- cooling unit 6, cooler 7, wind turbine 8, motor 9, bearing beam 10, damper 11, gas vent 12, relief port 13, filter
14, filter screen 15, fixed frame 16, Anti-rope drop 17, air outlet 18, caulking gum 19, wind turbine anti-off board 20, cooler anti-off board
21, mounting hole 22, quick coupling 23.
Specific implementation mode
Core of the invention is to provide a kind of cooling system of the tractive transformer for rail vehicle, big cooling to meet
Performance, miniaturization, lightweight, low energy consumption, the requirement of low noise, easy care.
In order to make those skilled in the art more fully understand technical solution provided by the invention, below in conjunction with attached drawing and
The present invention is described in further detail for specific embodiment.
As depicted in figs. 1 and 2, the cooling system of a kind of tractive transformer for rail vehicle provided in an embodiment of the present invention
System, including the circulating oil path that is arranged between the oil inlet 1 and oil outlet 2 of the cooling system of tractive transformer and it is fixed on track
The bottom of vehicle or the cooling unit on tractive transformer, circulating oil path include being arranged in parallel between oil inlet 1 and oil outlet 2
The first subcycle oil circuit 3 and the second subcycle oil circuit 4, cooling unit includes first be arranged on the first subcycle oil circuit 3
Sub- cooling unit 5 and the second sub- cooling unit 6 being arranged on the second subcycle oil circuit 4.
Above-mentioned cooling system, by the way that circulating oil path is arranged to the first subcycle oil circuit being arranged in parallel and the second subcycle
Oil circuit, and cooled down respectively by the cooling medium in first sub- cooling unit pair the first subcycle oil circuit, pass through second
Cooling medium in sub- cooling unit pair the second subcycle oil circuit cools down, and a big cooling system has been distributed into two
Small sub- cooling unit so that the corresponding operation element of sub- cooling unit, such as cooler, wind turbine and motor power phase
The reduction answered, and then operation element more tends to miniaturization, lightweight, low energy consumption, low noise and easy care, and operation element
Arrangement can be more convenient and flexible after miniaturization, in addition, the form by being arranged to two sub- cooling units, when one of them goes out
After existing failure, another still is able to provide certain heat sinking function, reduces the entirely ineffective probability of heat sinking function.
What needs to be explained here is that circulating oil path for the power with circulation, should be also set up on circulating oil path
Have oil circulating pump, those skilled in the art that should be able to all know, when operation element (such as cooler, wind turbine, motor and
Oil circulating pump etc.) power it is lower, more tend to miniaturization, lightweight, low energy consumption, low noise and easy care.It additionally needs
Bright, the cooling medium to circulate in above-mentioned circulating oil path is not limited to oil, right when system is using other cooling media
The fluid to circulate in the circulating oil path answered is corresponding cooling medium.Furthermore, it is necessary to explanation, the import of circulating oil path corresponds to
The oil outlet of tractive transformer is connected, the outlet of circulating oil path is correspondingly connected with the oil inlet of tractive transformer.Therefore, when traction becomes
When the oil inlet of depressor and the upper and lower position of oil outlet exchange, the inlet and outlet of circulating oil path is corresponding to be interchangeable.
In some specific embodiments, the first sub- cooling unit 5 and the second sub- cooling unit 6 include cooler 7,
The motor 9 of impeller for the wind turbine 8 of the offer wind-force to cooler 7 and for driving wind turbine 8.Wind turbine is driven by motor
Impeller operation, and then cold wind can be made to enter cooler, heat exchange is carried out to the High-temperature cooling medium in cooler, it is handed over through overheat
The cooling medium changed comes back in the fuel tank of transformer.Of course, it should be understood that above-mentioned air-cooled cooler is only
The preferable examples of the embodiment of the present invention in actual application, can also select that corresponding other are cold according to actual demand
But form, for example, water cooling mode, but water cooling needs to increase water tank and water pump, does not meet light-weighted design requirement.
In some more particular embodiments, above-mentioned cooling system further includes the bearing beam 10 of two parallel arrangements,
For bearing beam 10 for being connect with the bottom of rail vehicle or tractive transformer, cooler 7, wind turbine 8 and motor 9 are lifted on two
Between a bearing beam 10.By arranging bearing beam 10 so that cooling system is on the bottom of rail vehicle or tractive transformer
Arrange more convenient, rail vehicle can be directly installed on by the way that mounting hole 22 is arranged on bearing beam 10 bottom or traction
On transformer.What needs to be explained here is that the concrete mode that cooler 7, wind turbine 8 and motor 9 lift, is mainly fastened using bolt
Mode be fixed on bearing beam.
Vibration in order to reduce wind turbine is transferred to tractive transformer and car body and is impacted to tractive transformer and car body,
Damper 11 is also set up between corresponding wind turbine 8 and bearing beam 10.In general wind turbine corresponds to fixed point there are four bearing beams,
Corresponding each fixed point is both provided with damper.
It is further to note that in general, motor mounting plate is additionally provided on wind turbine 8, motor 9 is fixed on motor peace
In loading board, 9 axle stretch end of motor is equipped with the impeller of wind turbine.And the motor mounting plate is generally bolted to the chamber of wind turbine
On body, so that when dismounting motor or impeller, it is only necessary to by the disassembling bolts between motor mounting plate and the cavity of wind turbine, you can
The dismounting and change of motor and impeller, cooling system when facilitating train on-line operation are carried out in the case where not dismantling the cavity of wind turbine
Motor or impeller replace, reduce replace workload, save replacing construction.
In order to avoid there are gaps between wind turbine and cooler, sealing strip is additionally provided between wind turbine 8 and cooler 7.It is logical
Setting sealing strip is crossed, gap of the extraneous air between wind turbine and cooler can be avoided to enter wind turbine and influence wind turbine to cooling
The air supply ability of device ensure that the cooling performance of cooling system.
In order to which repair and maintenance is more convenient, gas vent 12, relief port 13 and quick coupling are provided on corresponding cooler 7
23；Gas vent 12, for the gas inside cooler 7 to be discharged, which can be by way of air relief cock or vent valve
It realizes and deflates；Relief port 13, for by cooling medium discharge cooler 7 inside, which by bleeder plug or can to put
The mode of fuel tap, which is realized, drains the oil；Quick coupling 23 is at least used to inject cooling medium and gas discharge into cooler 7.Here
It should be noted that cooling medium can be oil, can also be other cooling media, when which can realize Maintenance and Repair
Aerial drainage function.
In order to ensure the cleannes into the air of cooler, impurity is avoided to enter blocking cooler, corresponding first son
Cooling unit 5 and the second sub- cooling unit 6 also include the filter 14 for being filtered to the air for entering cooler 7.
In order to ensure that the filtration result of filter, the air intake of corresponding filter 14 are provided with filter screen 15.Pass through filtering
Net can directly filter out larger impurity or sundries, and larger impurity is avoided to enter in filter, be played to filter certain
Protective effect.
In further embodiment, the air intake of corresponding filter 14 is provided with fixed frame 16, and filter screen 15 is fixed on
On fixed frame 16.In such a way that fixed frame and rotation lock are set so that filter screen dismounting is more convenient.Specific structure can be with
It is that fixed frame can be installed or be welded by bolt on the filter, and there are two rotation lock, the rotation lock packets for dress on fixed frame
The lock frame of the marginal position mounted on fixed frame and lock tongue compatible with lock frame are included, can be fixed when lock tongue screws out lock frame
Strainer can be filtered the dismounting of net when frame is locked in lock tongue precession, and above structure can quickly be filtered the installation and removal of net,
Time and the workload of repair and maintenance are saved in the cleaning and replacement for facilitating filter screen.
In order to prevent because abnormal filter screen is fallen in operational process, filter screen 15 is also connected by Anti-rope drop 17 and filter 14
It connects.
It should be noted that for air cooled chiller, the side of general cooler 7 is inlet side, cooler 7
The other side is air side, and corresponding filter 14 is typically mounted at inlet side, and wind turbine 8 is air-draft-type wind turbine, air-draft-type wind turbine into
It installs air port face air side.The flow direction of wind is to enter cooler after being filtered in this way, is then taken out by air-draft-type wind turbine
It walks.Of course, it should be understood that the arrangement of above-mentioned filter and air-draft-type wind turbine is only the preferred of the embodiment of the present invention
It illustrates, can also be by wind turbine layout at air blower in actual application, corresponding filter is mounted on the air inlet of air blower
Mouthful, the air outlet of air blower and the inlet side abutting joint of cooler.It can be selected according to actual demand in practical application
Arrangement.
It is further to note that the air channel structure in cooler 7 be preferably smooth non-incision corrugated fin structure or
Sawtooth mismatch fin structure.By the way that air channel structure is designed to above structure form so that cooler is not easy to plug, easy to clean
It safeguards, while wind collateral resistance is low, reduces performance and power requirement to wind turbine and motor.Of course, it should be understood that above-mentioned
Only the embodiment of the present invention in actual application, is also designed to ability for the preferable examples of air channel structure
The air channel structure form of other common Optimized Matchings of field technique personnel.
It is further to note that in general, air-draft-type wind turbine is preferably centrifugal blower, and the air outlet of centrifugal blower
18 arrange downward.Make the location arrangements of the air outlet of wind turbine more convenient by being arranged to centrifugal blower.It will be understood
, above-mentioned centrifugal blower is only the preferable examples of the embodiment of the present invention, can also be according to reality in actual application
Border demand selects corresponding other kinds of wind turbine.
In addition, in order to avoid influencing equipment compartment in the body apparatus cabin of the hot gas injection vehicle of the outflow of air outlet 18
Normal operation, be circumferentially provided with caulking gum 19 in air outlet 18, which is generally compressible caulking gum,
Pass through the sealed bottom of caulking gum and rail vehicle connect so that the body apparatus cabin of air outlet and rail vehicle it is good every
It leaves and.
In order to mitigate the weight of cooling system to a greater extent, cavity, cooler 7 and the filter 14 of above-mentioned wind turbine 8 are equal
It is made for aluminium, so that it is met strength demand by way of structure optimization.
Wind turbine and cooler fall off because lifting bolt failure in the process of running in order to prevent, are set in the both sides of wind turbine 8
It is equipped with wind turbine anti-off board 20, the both sides of cooler 7 are provided with cooler anti-off board 21, wind turbine anti-off board 20 and cooler anti-off board
21 are bolted with bearing beam 10.Ensure wind turbine and the fixed reliability of cooler and safety by double insurance
Property.
In short, the application passes through optimizing structure design and matching technique, reasonable disposition wind turbine, cooler, filter space
Size and technical parameter reduce the overall dimensions of tractive transformer cooling system, wind turbine and cooler are made to be operated in peak efficiency
Region, makes full use of the useful space and resource, realize the big cooling performance of tractive transformer cooling system, miniaturization, lightweight,
Safety Design reduces the power of cooling blower and oil circulating pump, reduces the noise of tractive transformer cooling system, extends cooling
The service life of device, maintenance convenient to overhaul.
The cooling system of the tractive transformer provided by the present invention for rail vehicle is described in detail above.
It should be noted that each embodiment in this specification is described in a progressive manner, what each embodiment stressed
All it is difference from other examples, the same or similar parts between the embodiments can be referred to each other.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements include not only those elements, but also
Including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article for including above-mentioned element
Or there is also other identical elements in equipment.
Principle and implementation of the present invention are described for specific case used herein, and above example is said
It is bright to be merely used to help understand the core idea of the present invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection domain of the claims in the present invention.
Claims (17)
1. a kind of cooling system of tractive transformer for rail vehicle, including the cooling system in the tractive transformer is set
Circulating oil path between the oil inlet (1) and oil outlet (2) of system and bottom or the tractive transformer for being fixed on the rail vehicle
On cooling unit, which is characterized in that the circulating oil path include be arranged in parallel in the oil inlet (1) and the oil outlet
(2) the first subcycle oil circuit (3) between and the second subcycle oil circuit (4), the cooling unit include being arranged described first
The second son of the first sub- cooling unit (5) and setting on the second subcycle oil circuit (4) on subcycle oil circuit (3) is cooling
Unit (6).
2. the cooling system for the tractive transformer of rail vehicle as described in claim 1, which is characterized in that described first
Sub- cooling unit (5) and the second sub- cooling unit (6) include cooler (7), for the offer to the cooler (7)
The motor (9) of the wind turbine (8) of wind-force and impeller for driving the wind turbine (8).
3. the cooling system for the tractive transformer of rail vehicle as claimed in claim 2, which is characterized in that the cooling
System further includes the bearing beam (10) of two parallel arrangements, and the bearing beam (10) is for the bottom with the rail vehicle
Or tractive transformer connection, it is horizontal that the cooler (7), the wind turbine (8) and the motor (9) are lifted on two carryings
Between beam (10).
4. the cooling system for the tractive transformer of rail vehicle as claimed in claim 3, which is characterized in that the wind turbine
(8) damper (11) is also set up between the bearing beam (10).
5. the cooling system for the tractive transformer of rail vehicle as claimed in claim 3, which is characterized in that the wind turbine
(8) motor mounting plate is provided on, the motor (9) is fixed on the motor mounting plate.
6. the cooling system for the tractive transformer of rail vehicle as claimed in claim 3, which is characterized in that the wind turbine
(8) it is additionally provided with sealing strip between the cooler (7).
7. the cooling system for the tractive transformer of rail vehicle as claimed in claim 3, which is characterized in that the cooling
Gas vent (12), relief port (13) and quick coupling (23) are provided on device (7)；
The gas vent (12), for the internal gas of the cooler (7) to be discharged；
The relief port (13), for the internal cooling medium of the cooler (7) to be discharged；
The quick coupling (23) is at least used for the cooling medium of injection and discharge gas into the cooler (7).
8. the cooling system for the tractive transformer of rail vehicle as claimed in claim 3, which is characterized in that described first
Sub- cooling unit (5) and the second sub- cooling unit (6) also include for being filtered to the air for entering cooler (7)
Filter (14).
9. the cooling system for the tractive transformer of rail vehicle as claimed in claim 8, which is characterized in that described in corresponding
The air intake of filter (14) is provided with filter screen (15).
10. the cooling system for the tractive transformer of rail vehicle as claimed in claim 9, which is characterized in that corresponding institute
The air intake for stating filter (14) is provided with fixed frame (16), and the filter screen (15) is fixed on the fixed frame (16).
11. the cooling system for the tractive transformer of rail vehicle as claimed in claim 10, which is characterized in that the mistake
Strainer (15) is also connect by Anti-rope drop (17) with the filter (14).
12. the cooling system of the tractive transformer for rail vehicle as described in any one of claim 8-11, feature
It is, the side of the cooler (7) is inlet side, and the other side of the cooler (7) is air side, the filter (14)
Mounted on the inlet side, the wind turbine (8) is air-draft-type wind turbine, air side described in the air inlet face of the air-draft-type wind turbine
Installation.
13. the cooling system for the tractive transformer of rail vehicle as claimed in claim 12, which is characterized in that described cold
But the air channel structure in device (7) is the corrugated fin structure or sawtooth mismatch fin structure of smooth non-incision.
14. the cooling system for the tractive transformer of rail vehicle as claimed in claim 12, which is characterized in that the pumping
Wind formula wind turbine is centrifugal blower, and the air outlet (18) of the centrifugal blower is arranged downward.
15. as claimed in claim 14 for rail vehicle tractive transformer cooling system, which is characterized in that it is described go out
Air port (18) is circumferentially provided with caulking gum (19), what the caulking gum (19) was used to prevent the air outlet (18) from flowing out
Hot gas enters in the body apparatus cabin of the rail vehicle.
16. the cooling system of the tractive transformer for rail vehicle as described in any one of claim 8-11 and 13-15,
It is characterized in that, the cavity of the wind turbine (8), the cooler (7) and the filter (14) are that aluminium is made.
17. the cooling system of the tractive transformer for rail vehicle as described in any one of claim 3-11 and 13-15,
It is characterized in that, the both sides of the wind turbine (8) are provided with wind turbine anti-off board (20), the both sides of the cooler (7) are provided with cold
But device anti-off board (21), the wind turbine anti-off board (20) and the cooler anti-off board (21) are logical with the bearing beam (10)
It crosses and is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789107.7A CN108735450B (en) | 2018-07-18 | 2018-07-18 | Cooling system for traction transformer of railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789107.7A CN108735450B (en) | 2018-07-18 | 2018-07-18 | Cooling system for traction transformer of railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108735450A true CN108735450A (en) | 2018-11-02 |
| CN108735450B CN108735450B (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810789107.7A Active CN108735450B (en) | 2018-07-18 | 2018-07-18 | Cooling system for traction transformer of railway vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211771A (en) * | 2019-07-05 | 2019-09-06 | 中车大连机车研究所有限公司 | A kind of power transmission and transformation transformer air cooler and its control method |
| CN110428952A (en) * | 2019-09-04 | 2019-11-08 | 中车株洲电机有限公司 | Tractive transformer and rail vehicle |
| CN112910180A (en) * | 2019-12-03 | 2021-06-04 | 中车唐山机车车辆有限公司 | Rail vehicle and traction motor cooling system thereof |
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