CN104843017A - Electric locomotive and traction motor cooling device - Google Patents
Electric locomotive and traction motor cooling device Download PDFInfo
- Publication number
- CN104843017A CN104843017A CN201510204693.0A CN201510204693A CN104843017A CN 104843017 A CN104843017 A CN 104843017A CN 201510204693 A CN201510204693 A CN 201510204693A CN 104843017 A CN104843017 A CN 104843017A
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- China
- Prior art keywords
- electric machine
- traction
- air
- traction electric
- cooling mechanism
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention provides a traction motor cooling device. The traction motor cooling device comprises an air inlet duct; the air inlets of the air inlet duct are arranged in pneumatic positive-pressure areas of the head of an electric locomotive; air inlet grids are installed at the air inlets of the air inlet duct; the air inlet duct is provided with and communicated with traction air ducts; and air outlets of the traction air ducts are communicated with air inlets of traction motors of the electric locomotive. According to the invention, since the air inlets are arranged in the pneumatic positive-pressure areas of the head of the electric locomotive, air flow, during driving, naturally enters from the air inlets of the air inlet duct, is then filtered by the air inlet grids, then enters the traction air ducts and eventually enters the traction motors through the air inlets of the traction motors, thereby realizing cooling of the traction motors. With such a structure, pneumatic positive pressure in driving of the locomotive is utilized to cool the traction motors, so the power of using blower fans is reduced, or blower fans are omitted, and vibration and noise produced in operation of the blower fans are eliminated or reduced. The invention further provides the electric locomotive including the traction motor cooling device. The technical main points of the electric locomotive are as is mentioned above.
Description
Technical field
The application relates to electric locomotive technical field, more particularly, relates to a kind of traction electric machine cooling mechanism.The application also relates to a kind of electric locomotive comprising above-mentioned traction electric machine cooling mechanism.
Background technology
Electric locomotive has the advantages such as power is large, overload capacity is strong, tractive force is large, is widely used in Heavy-haul Freight train and bus rapid transit train.Traction electric machine operationally produces a large amount of heats, needs to cool.Current common way is, by blower fan, air is sent into traction electric machine, carries out induced ventilation heat radiation.In order to control traction electric machine temperature, needing very large ventilation volume, often adopting the blower fan of relatively high power to blow.High-power blower is arranged between machinery, and the vibration & noise produced during its work is all larger.
Therefore, how eliminating or reduce vibration and the noise of blower fan work, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, this application provides a kind of traction electric machine cooling mechanism, to realize vibration and the noise of eliminating or reduce blower fan work.Present invention also provides a kind of electric locomotive comprising above-mentioned traction electric machine cooling mechanism.
In order to achieve the above object, the application provides following technical scheme:
A kind of traction electric machine cooling mechanism, comprise wind inlet channel, its ventilation inlet is arranged at the pneumatic positive pressure region of electric locomotive headstock, the air inlet of wind inlet channel is provided with air intake grid, wind inlet channel is communicated with traction air channel, the air outlet in traction air channel is communicated in the ventilation inlet of the traction electric machine of electric locomotive.
Preferably, the H Exch between the air outlet being arranged at traction air channel and the ventilation inlet of traction electric machine is also comprised.
Preferably, also comprise for the blower fan by the air-flow sucking-off in traction electric machine, the ventilation inlet of blower fan is communicated with the air outlet of traction electric machine.
Preferably, the air outlet of traction electric machine is communicated with by soft air duct with the ventilation inlet of blower fan.
Preferably, comprise the traction air channel of multiple parallel communication on wind inlet channel, multiple traction electric machine one_to_one corresponding of multiple traction air channel and electric locomotive.
Preferably, wind inlet channel comprises two ventilation inlets, the two is arranged at the two ends of wind inlet channel trunk main respectively, and lay respectively at the pneumatic positive pressure region of electric locomotive two ends headstock, the inner side that the air inlet of two wind inlet channels is positioned at air intake grid is provided with windscreen valve, and windscreen valve is connected with switch controlling device.
Preferably, air intake grid positions is also provided with filtering installation.
Preferably, assembling is at the bottom of the car of electric locomotive.
The application also provides a kind of electric locomotive, and comprise car body, setting traction electric machine thereon and the traction electric machine cooling mechanism for cooling traction electric machine, traction electric machine cooling mechanism is the traction electric machine cooling mechanism of above-mentioned any one.
The traction electric machine cooling mechanism that the application provides, comprise wind inlet channel, its ventilation inlet is arranged at the pneumatic positive pressure region of electric locomotive headstock, the air inlet of wind inlet channel is provided with air intake grid, wind inlet channel is communicated with traction air channel, the air outlet in traction air channel is communicated in the ventilation inlet of the traction electric machine of electric locomotive.The ventilation inlet of wind inlet channel is due to the pneumatic positive pressure region at headstock, in driving process, air-flow nature is entered by the ventilation inlet of wind inlet channel, and through the filtration of air intake grid, air-flow enters traction air channel, and continue to enter traction electric machine by the ventilation inlet of traction electric machine, realize the cooling to traction electric machine.Owing to adopting this structure, the pneumatic positive pressure that make use of locomotive driving to cool traction electric machine, can reduce use the power of blower fan or save use blower fan, and the fan noise of less power and vibration all can be corresponding less, achieve vibration and the noise of eliminating or reduce blower fan work.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the traction electric machine cooling mechanism that Fig. 1 provides for the application;
In upper figure: 1 is air intake grid, 2 is wind inlet channel, and 3 is traction air channel, and 4 is H Exch, and 5 is traction electric machine, and 6 is soft air duct, and 7 is blower fan, and 8 is windscreen valve.
Detailed description of the invention
This application provides a kind of traction electric machine cooling mechanism, achieve vibration and the noise of eliminating or reduce blower fan work.Present invention also provides a kind of electric locomotive comprising above-mentioned traction electric machine cooling mechanism.
Below in conjunction with the accompanying drawing in the embodiment of the present application, carry out clear, complete description to the technical scheme in the embodiment of the present application, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment of the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
The structural representation of the traction electric machine cooling mechanism that Fig. 1 provides for the application.
The traction electric machine cooling mechanism that the application provides, comprise wind inlet channel 2, its ventilation inlet is arranged at the pneumatic positive pressure region of electric locomotive headstock, the air inlet of wind inlet channel 2 is provided with air intake grid 1, wind inlet channel 2 is communicated with traction air channel 3, the air outlet in traction air channel 3 is communicated in the ventilation inlet of the traction electric machine 5 of electric locomotive.The ventilation inlet of wind inlet channel 2 is due to the pneumatic positive pressure region at headstock, in driving process, air-flow nature is entered by the ventilation inlet of wind inlet channel 2, through the filtration of air intake grid 1, air-flow enters traction air channel 3, and continue to enter traction electric machine 5 by the ventilation inlet of traction electric machine 5, realize the cooling to traction electric machine 5.Owing to adopting this structure, the pneumatic positive pressure that make use of locomotive driving cools traction electric machine 5, can reduce to use the power of blower fan 7 or save to use blower fan 7, achieves the vibration and noise of eliminating or reduce blower fan 7 work.
In the application one specific embodiment, also comprise the H Exch 4 between air outlet and the ventilation inlet of traction electric machine 5 being arranged at traction air channel 3.The air-out in traction air channel 3 cools by H Exch 4, and cooled cold wind enters traction electric machine 5, can strengthen cooling performance.
In the application one specific embodiment, also comprise for the blower fan 7 by the air-flow sucking-off in traction electric machine 5, the ventilation inlet of blower fan 7 is communicated with the air outlet of traction electric machine 5.According to aforementioned, can illustrate, when the air intake air-flow of wind inlet channel 2 very strong and enough to the cooling of traction electric machine 5 time, can save and use blower fan 7, thorough solution is by the problem of drawing fan vibration and noise, if cooling power not enough, a lower-powered blower fan 7 can be increased further, so also can play the effect reducing vibration and noise.
In the application one specific embodiment, the air outlet of traction electric machine 5 is communicated with by soft air duct 6 with the ventilation inlet of blower fan 7.Further, use blower fan 7 to be discharged by soft air duct 6 sucking-off by the cooling-air flow in traction electric machine 5, owing to using soft air duct 6, conveniently to install, and soft air duct 6 can be avoided in motion process by vibrating the relative displacement that draws to the destruction in air channel.
In the application one specific embodiment, comprise the traction air channel 3 of multiple parallel communication on wind inlet channel 2, multiple traction electric machines 5 one_to_one corresponding of multiple traction air channel 3 and electric locomotive.
In the application one specific embodiment, wind inlet channel 2 comprises two ventilation inlets, the two is arranged at the two ends of wind inlet channel 2 trunk main respectively, and lay respectively at the pneumatic positive pressure region of electric locomotive two ends headstock, the inner side that the air inlet of two wind inlet channels 2 is positioned at air intake grid 1 is provided with windscreen valve 8, and windscreen valve 8 is connected with switch controlling device.Electric locomotive two ends air intake grid is a corresponding wind inlet channel 2 simultaneously, the two ends of this wind inlet channel 2 are all set to ventilation inlet, and opposite side ventilation inlet is closed time in order to ensure that side ventilation inlet uses, not leak out, and this two states switches with the direct of travel of locomotive, so arrange two windscreen valves 8, time headstock is advanced, the windscreen valve 8 of homonymy is opened, the closedown of offside.
In the application one specific embodiment, air intake grid 1 position is also provided with filtering installation.Further increase filtering installation, prevents foreign material from entering.
In the application one specific embodiment, blower fan 7 is installed at the bottom of the car of electric locomotive.Because the blower fan 7 after improving can use lower-powered, so respective volume is less, is arranged at the bottom of car and more can reduces noise.
Based on the traction electric machine cooling mechanism provided in above-described embodiment, present invention also provides a kind of electric locomotive, comprise car body, setting traction electric machine 5 thereon and the traction electric machine cooling mechanism for cooling traction electric machine 5, traction electric machine cooling mechanism is the traction electric machine cooling mechanism of above-mentioned any embodiment.
Because this electric locomotive have employed the traction electric machine cooling mechanism of above-described embodiment, so the beneficial effect that this electric locomotive is brought by this traction electric machine cooling mechanism please refer to above-described embodiment.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the application.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a traction electric machine cooling mechanism, it is characterized in that, comprise wind inlet channel (2), its ventilation inlet is arranged at the pneumatic positive pressure region of electric locomotive headstock, the air inlet of described wind inlet channel (2) is provided with air intake grid (1), described wind inlet channel (2) is communicated with traction air channel (3), the air outlet of described traction air channel (3) is communicated in the ventilation inlet of the traction electric machine (5) of described electric locomotive.
2. traction electric machine cooling mechanism as claimed in claim 1, is characterized in that, also comprise the H Exch (4) between air outlet and the ventilation inlet of described traction electric machine (5) being arranged at described traction air channel (3).
3. traction electric machine cooling mechanism as claimed in claim 2, it is characterized in that, also comprise for the blower fan (7) by the air-flow sucking-off in described traction electric machine (5), the ventilation inlet of described blower fan (7) is communicated with the air outlet of described traction electric machine (5).
4. traction electric machine cooling mechanism as claimed in claim 3, is characterized in that, the air outlet of described traction electric machine (5) is communicated with by soft air duct (6) with the ventilation inlet of described blower fan (7).
5. traction electric machine cooling mechanism as claimed in claim 4, it is characterized in that, comprise the described traction air channel (3) of multiple parallel communication on described wind inlet channel (2), multiple described traction air channel (3) is communicated with multiple traction electric machines (5) one_to_one corresponding of described electric locomotive.
6. traction electric machine cooling mechanism as claimed in claim 5, it is characterized in that, described wind inlet channel (2) comprises two ventilation inlets, the two is arranged at the two ends of described wind inlet channel (2) trunk main respectively, and lay respectively at the pneumatic positive pressure region of described electric locomotive two ends headstock, the inner side that the air inlet of two described wind inlet channels (2) is positioned at described air intake grid (1) is provided with windscreen valve (8), and described windscreen valve (8) is connected with switch controlling device.
7. traction electric machine cooling mechanism as claimed in claim 6, it is characterized in that, described air intake grid (1) position is also provided with filtering installation.
8. traction electric machine cooling mechanism as claimed in claim 7, it is characterized in that, described blower fan (7) is installed at the bottom of the car of described electric locomotive.
9. an electric locomotive, comprise car body, setting traction electric machine (5) thereon and the traction electric machine cooling mechanism for cooling described traction electric machine (5), it is characterized in that, described traction electric machine cooling mechanism is the traction electric machine cooling mechanism as described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204693.0A CN104843017A (en) | 2015-04-27 | 2015-04-27 | Electric locomotive and traction motor cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204693.0A CN104843017A (en) | 2015-04-27 | 2015-04-27 | Electric locomotive and traction motor cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104843017A true CN104843017A (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510204693.0A Pending CN104843017A (en) | 2015-04-27 | 2015-04-27 | Electric locomotive and traction motor cooling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104843017A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612190A (en) * | 2017-10-30 | 2018-01-19 | 南京磁谷科技有限公司 | A kind of sealing of platform that exceeds the speed limit and cooling structure |
| WO2024067487A1 (en) * | 2022-09-30 | 2024-04-04 | 中车长春轨道客车股份有限公司 | Air duct system simulation operation test bench and experiment test method |
Citations (6)
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|---|---|---|---|---|
| CN2198132Y (en) * | 1994-07-02 | 1995-05-24 | 姜燕庄 | Vehicle ventilation device |
| CN2276427Y (en) * | 1996-06-07 | 1998-03-18 | 厦门金龙联合汽车工业有限公司 | Improved structure for passenger car ventilating system |
| DE10244902A1 (en) * | 2002-09-26 | 2004-04-15 | Siemens Ag | Self-ventilating railway driving mechanism for local-service rail cars, has a power converter, a self-cooled electric motor and an air-conducting channel |
| CN201580383U (en) * | 2009-10-14 | 2010-09-15 | 青岛四方庞巴迪铁路运输设备有限公司 | Unpowered ventilation cooling structure of vehicle body bottom frame |
| CN102019848A (en) * | 2009-09-09 | 2011-04-20 | 青岛四方庞巴迪铁路运输设备有限公司 | Traction motor cooling system by end wall air intake |
| WO2014044486A1 (en) * | 2012-09-19 | 2014-03-27 | Siemens Aktiengesellschaft | Forced ventilation of a roof-mounted container of a rail vehicle |
-
2015
- 2015-04-27 CN CN201510204693.0A patent/CN104843017A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198132Y (en) * | 1994-07-02 | 1995-05-24 | 姜燕庄 | Vehicle ventilation device |
| CN2276427Y (en) * | 1996-06-07 | 1998-03-18 | 厦门金龙联合汽车工业有限公司 | Improved structure for passenger car ventilating system |
| DE10244902A1 (en) * | 2002-09-26 | 2004-04-15 | Siemens Ag | Self-ventilating railway driving mechanism for local-service rail cars, has a power converter, a self-cooled electric motor and an air-conducting channel |
| CN102019848A (en) * | 2009-09-09 | 2011-04-20 | 青岛四方庞巴迪铁路运输设备有限公司 | Traction motor cooling system by end wall air intake |
| CN201580383U (en) * | 2009-10-14 | 2010-09-15 | 青岛四方庞巴迪铁路运输设备有限公司 | Unpowered ventilation cooling structure of vehicle body bottom frame |
| WO2014044486A1 (en) * | 2012-09-19 | 2014-03-27 | Siemens Aktiengesellschaft | Forced ventilation of a roof-mounted container of a rail vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612190A (en) * | 2017-10-30 | 2018-01-19 | 南京磁谷科技有限公司 | A kind of sealing of platform that exceeds the speed limit and cooling structure |
| CN107612190B (en) * | 2017-10-30 | 2023-09-22 | 南京磁谷科技有限公司 | Sealing and cooling structure of overspeed table |
| WO2024067487A1 (en) * | 2022-09-30 | 2024-04-04 | 中车长春轨道客车股份有限公司 | Air duct system simulation operation test bench and experiment test method |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20150819 |