CN204290618U - Rail vehicle and traction electric machine cooling system thereof - Google Patents
Rail vehicle and traction electric machine cooling system thereof Download PDFInfo
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- CN204290618U CN204290618U CN201420806013.3U CN201420806013U CN204290618U CN 204290618 U CN204290618 U CN 204290618U CN 201420806013 U CN201420806013 U CN 201420806013U CN 204290618 U CN204290618 U CN 204290618U
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Abstract
The utility model discloses a kind of rail vehicle and traction electric machine cooling system thereof, this system comprises cooling air unit and two main air ducts; The air inlet of two described main air ducts is communicated with two air outlets of described cooling air unit respectively, and the air outlet of two described main air ducts is communicated with the air inlet of two described traction electric machines of car body bogie respectively.This system provides the main air duct of air quantity independent of one another for two traction electric machines, thus, each main air duct can make full use of installing space, reduce systemic resistance, avoid the unbalanced problem of allocation of the amount of air in background technology simultaneously, cooling effectiveness is higher, makes two traction electric machines all can reach desirable cooling effect.
Description
Technical field
The utility model relates to rail vehicle technical field, particularly relates to a kind of traction electric machine cooling system of rail vehicle.In addition, the utility model also relates to a kind of rail vehicle comprising above-mentioned traction electric machine cooling system.
Background technology
Along with the development of track traffic, the motor train unit of high-speed cruising gets more and more, and the use of High power Traction motor is also more general.For guaranteeing the safety and reliability that High power Traction motor runs, the temperature how reducing traction electric machine becomes the problem of those skilled in the art's concern.
Bogie bottom vehicle body of railway vehicle is provided with two traction electric machines, the needs that arrange of cooling system can be two traction electric machine coolings, to ensure the normal operation of rail vehicle.
Existing traction electric machine cooling system is the cooling air feed of traction electric machine by cooling blower, the version of a usual employing main air duct two branch air ducts, namely the air outlet of cooling blower is communicated with the air inlet of main air duct, main air duct is communicated with two branch air ducts, air quantity is after two branch air duct shuntings, enter the air inlet of two traction electric machines respectively, to cool traction electric machine.
But there is following problems in above-mentioned cooling system:
The air channel structure of a main air duct two branch air ducts adds systemic resistance, reduces cooling effectiveness, and simultaneously by the restriction of installing space, air quantity is difficult to balancedly be dispensed to two traction electric machines, causes the cooling requirement that cannot meet traction electric machine.
In view of this, how to improve traction electric machine cooling system, make air quantity balancedly be dispensed to two traction electric machines, improving cooling effectiveness, is the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of traction electric machine cooling system, and air quantity can be balancedly dispensed to two traction electric machines by this system, and cooling effectiveness is higher.Another object of the present utility model is to provide a kind of rail vehicle comprising above-mentioned traction electric machine cooling system.
For solving the problems of the technologies described above, the utility model provides a kind of traction electric machine cooling system, for rail vehicle, comprises cooling air unit and two main air ducts; The air inlet of two described main air ducts is communicated with two air outlets of described cooling air unit respectively, and the air outlet of two described main air ducts is communicated with the air inlet of two described traction electric machines of car body bogie respectively.
Air quantity can be balancedly dispensed to two traction electric machines by the traction electric machine cooling system that the utility model provides, and cooling effectiveness is high.Particularly, in this programme, described cooling system is provided with two independently main air ducts, the air inlet of two main air ducts is communicated with two air outlets of cooling air unit respectively, air outlet is communicated with the air inlet of two traction electric machines respectively, namely, for two traction electric machines provide the main air duct of air quantity independent of one another, thus, each main air duct can make full use of installing space, reduces systemic resistance, avoids the unbalanced problem of allocation of the amount of air in background technology simultaneously, cooling effectiveness is higher, makes two traction electric machines all can reach desirable cooling effect.
Alternatively, described cooling air unit comprises a motor and two blower fans, and two described blower fans are installed on the output shaft at described motor two ends respectively.
Alternatively, described blower fan is centrifugal fan.
Alternatively, described motor is double-speed motor.
Alternatively, described cooling air unit is fixed on vehicle frame by installing rack.
Alternatively, the air inlet of described blower fan is provided with filter.
Alternatively, adopt between the air outlet of described cooling air unit and the air inlet of described main air duct and be flexible coupling.
Alternatively, adopt between the air outlet of described main air duct and the air inlet of described traction electric machine and be flexible coupling.
The utility model also provides a kind of rail vehicle, and comprise traction electric machine and provide the cooling system of cooling for traction electric machine, described cooling system is the traction electric machine cooling system described in above-mentioned any one.
Because above-mentioned traction electric machine cooling system has above-mentioned technique effect, so the rail vehicle comprising this cooling system also has corresponding technique effect, repeat no more here.
Accompanying drawing explanation
Fig. 1 provides by the utility model the structural representation of a kind of embodiment of traction electric machine cooling system;
Fig. 2 is the structural representation of the first cooling duct in cooling system shown in Fig. 1;
Fig. 3 is the structural representation of the second cooling duct in cooling system shown in Fig. 1;
Fig. 4 is the structural representation of cooling air unit in Fig. 1.
In Fig. 1-4:
Cooling air unit 10, motor 11, blower fan 12, the first blower fan 12a, the second blower fan 12b, protective cover 121, impeller 122, spiral case 123, installing rack 13;
Main air duct 20, the first main air duct 20a, the second main air duct 20b;
Traction electric machine 30, the first traction electric machine 30a, the second traction electric machine 30b.
Embodiment
Core of the present utility model is to provide a kind of traction electric machine cooling system, and air quantity can be balancedly dispensed to two traction electric machines by this system, and cooling effectiveness is higher.Another core of the present utility model is to provide a kind of rail vehicle comprising above-mentioned traction electric machine cooling system.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Here it should be noted that, the use of " first " and " second " ordinal number is herein the different parts in order to distinguish same names, just in order to state the clear and convenient of technical scheme; It is order of representation not, also should not be construed as certain and limits.
Please refer to Fig. 1 to Fig. 3, Fig. 1 provides by the utility model the structural representation of a kind of embodiment of traction electric machine cooling system; Fig. 2 is the structural representation of the first cooling duct in cooling system shown in Fig. 1; Fig. 3 is the structural representation of the second cooling duct in cooling system shown in Fig. 2.
In this embodiment, described traction electric machine cooling system comprises cooling air unit 10 and two main air ducts 20.
Cooling air unit 10 has two air outlets; Two main air ducts 20 are the first main air duct 20a and the second main air duct 20b.
Wherein, the air inlet of the first main air duct 20a is communicated with an air outlet of cooling air unit 10, and its air outlet is communicated with the air inlet of the first traction electric machine 30a; Similarly, the air inlet of the second main air duct 20b is communicated with another air outlet of cooling air unit 10, and its air outlet is communicated with the air inlet of the second traction electric machine 30b.
Above-mentioned two traction electric machines 30 are arranged on car body bogie, for realizing rail vehicle traction and braking.
As above, first main air duct 20a and the second main air duct 20b is independent of one another, installing space under car can be made full use of, reduce systemic resistance, avoid integral type air channel in background technology simultaneously and distribute the problem of air quantity, thus the air quantity being distributed to two traction electric machines 30 can be divided as required, compared with background technology, the overall cooling effectiveness of cooling system is higher, and two traction electric machines 30 can be made to reach desirable cooling effect.
Please also refer to the structural representation that Fig. 4, Fig. 4 are cooling air unit in 1.
In concrete scheme, cooling air unit 10 comprises the output shaft that a motor 11 and two blower fans, 12, two blower fans 12 are installed on motor 11 two ends respectively.
Two blower fans 12 are the first blower fan 12a and the second blower fan 12b.
Wherein, the air outlet of the first blower fan 12a is communicated with the air inlet of the first main air duct 20a, and the air outlet of the second blower fan 12b is communicated with the air inlet of the second main air duct 20b.
Obviously, in the program, described motor 11 drives the first blower fan 12a and the second blower fan 12b simultaneously, and meeting is the demand of two independently main air duct 20 air feeds.
As above, the compact conformation of this cooling air unit 10, effectively can save installing space.
This cooling air unit 10 also comprises installing rack 13, cooling air unit 10 can be fixed on vehicle frame by this installing rack 13.
Particularly, blower fan 12 can be set to centrifugal fan.
The energy consumption of centrifugal fan is low, noise is low, efficiency is high, under the prerequisite of equal demand air quantity, can reduce the volume of cooling air unit 10 further, and the space of being more convenient for limited under car realizes installing.
As shown in Figure 4, centrifugal fan comprises impeller 122 and spiral case 123; Wherein, spiral case 123 is installed on installing rack 13, the end of impeller 122 mounted motor 11 output shaft.
Also protective cover 121 can be set, to protect blower fan 12.
In reality, because the first traction electric machine 30a is different with the second installation site of traction electric machine 30b on bogie, correspondingly, the arrangement form of the first main air duct 20a and the second main air duct 20b is also different, thus the draft loss of the first main air duct 20a and the second main air duct 20b is also different, so, when specifically arranging, the first blower fan 12a and the second blower fan 12b can select identical impeller 122 according to each self-corresponding draft loss, or different impellers 122.
Visible, the suitability of this cooling system is strong, reasonably can distribute air quantity.
Further, filter can be set at the air inlet of blower fan 12, degree of purity and the air quantity of cooling air can be guaranteed.
Further, the motor 11 of cooling air unit 10 can select double-speed motor, and namely motor 11 has two kinds of rotating speeds, cools traction electric machine 30 with the travel speed different for vehicle.
During high vehicle speeds, the cooling air quantity that traction electric machine 30 needs is large, and now, motor 11 can run, to provide larger cooling air quantity by high rotating speed.
During low vehicle speeds, the cooling air quantity that traction electric machine 30 needs is little, and now, motor 11 can run, to provide less cooling air quantity in the slow-speed of revolution.
So, more reasonably air quantity can be distributed, energy efficient.
Separately, during due to low vehicle speeds, motor 11 low-speed running, effectively can reduce the noise of now system.
It is to be noted, above-mentioned cooling air unit 10 adopts a motor 11 to drive the structure of two blower fans 12, certainly, also can be two main air ducts 20 and cooling blower independent of each other is set, just compare the former, this kind of mode can increase the volume and weight of total system, and the situation narrow for installing space under car is inapplicable.So, actual when arranging, preferably adopt the structure of aforementioned cooling air unit 10.
On the basis of above-mentioned each scheme, adopt between the air outlet of blower fan 12 and the air inlet of main air duct 20 and be flexible coupling; Similarly, also adopt between the air outlet of main air duct 20 and the air inlet of traction electric machine 30 and be flexible coupling.
So, can compensate the top to bottom, left and right, front and rear between parts each in vehicle operation and torsional displacement.
Except above-mentioned traction electric machine cooling system, the invention also discloses a kind of rail vehicle, comprise traction electric machine and provide the cooling system of cooling for traction electric machine, this cooling system is traction electric machine cooling system described above.Other structures of rail vehicle can refer to prior art, repeat no more here.
Because above-mentioned traction electric machine cooling system has above-mentioned technique effect, so the rail vehicle comprising this traction electric machine cooling system also has corresponding technique effect, no longer repeat here to discuss.
Above rail vehicle provided by the utility model and traction electric machine cooling system thereof are all described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (9)
1. traction electric machine cooling system, for rail vehicle, is characterized in that, comprises cooling air unit (10) and two main air ducts (20); The air inlet of two described main air ducts (20) is communicated with two air outlets of described cooling air unit (10) respectively, and the air outlet of two described main air ducts (20) is communicated with the air inlet of two traction electric machines (30) of car body bogie respectively.
2. traction electric machine cooling system according to claim 1, it is characterized in that, described cooling air unit (10) comprises a motor (11) and two blower fans (12), and two described blower fans (12) are installed on the output shaft at described motor (11) two ends respectively.
3. traction electric machine cooling system according to claim 2, is characterized in that, described blower fan (12) is centrifugal fan.
4. traction electric machine cooling system according to claim 2, is characterized in that, described motor (11) is double-speed motor.
5. traction electric machine cooling system according to claim 2, is characterized in that, described cooling air unit (10) is fixed on vehicle frame by installing rack (13).
6. the traction electric machine cooling system according to any one of claim 2 to 5, is characterized in that, the air inlet of described blower fan (12) is provided with filter.
7. the traction electric machine cooling system according to any one of claim 1 to 5, is characterized in that, adopts and be flexible coupling between the air outlet of described cooling air unit (10) and the air inlet of described main air duct (20).
8. the traction electric machine cooling system according to any one of claim 1 to 5, is characterized in that, adopts and be flexible coupling between the air outlet of described main air duct (20) and the air inlet of described traction electric machine (30).
9. rail vehicle, comprise traction electric machine (30) and provide the cooling system of cooling for described traction electric machine (30), it is characterized in that, described cooling system is the traction electric machine cooling system described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806013.3U CN204290618U (en) | 2014-12-17 | 2014-12-17 | Rail vehicle and traction electric machine cooling system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420806013.3U CN204290618U (en) | 2014-12-17 | 2014-12-17 | Rail vehicle and traction electric machine cooling system thereof |
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| CN204290618U true CN204290618U (en) | 2015-04-22 |
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| CN201420806013.3U Active CN204290618U (en) | 2014-12-17 | 2014-12-17 | Rail vehicle and traction electric machine cooling system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539103A (en) * | 2014-12-17 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle and traction motor cooling system thereof |
-
2014
- 2014-12-17 CN CN201420806013.3U patent/CN204290618U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539103A (en) * | 2014-12-17 | 2015-04-22 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle and traction motor cooling system thereof |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170816 Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Co-patentee after: CHINA RAILWAY CORPORATION Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CRRC QINGDAO SIFANG CO., LTD. |
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| TR01 | Transfer of patent right |