CN210640788U - Traction motor cooling and ventilating device for urban train - Google Patents
Traction motor cooling and ventilating device for urban train Download PDFInfo
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- CN210640788U CN210640788U CN201922072602.9U CN201922072602U CN210640788U CN 210640788 U CN210640788 U CN 210640788U CN 201922072602 U CN201922072602 U CN 201922072602U CN 210640788 U CN210640788 U CN 210640788U
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Abstract
The utility model relates to a traction motor cooling ventilation device for city territory train, including cooling blower and supply-air duct, traction motor's income wind gap and supply-air duct intercommunication, the supply-air duct includes total wind channel, the last wind channel that leads to distal end traction motor and the lower wind channel that leads to near-end traction motor, lower wind channel sets up in the below in last wind channel, the upper reaches end of going up wind channel and lower wind channel is connected with total wind channel, the inside in total wind channel, the inside of going up the wind channel is provided with the guide plate with the inside of lower wind channel along the air current direction interval, the guide plate is arranged along the central line in wind channel, in order to reduce the turbulent flow. Each traction motor cooling fan cools two traction motors of the same bogie to form a one-to-two structure, and an air channel is brand-new designed, so that the cooling fan is particularly suitable for urban trains with narrow bottom spaces.
Description
Technical Field
The utility model relates to a traction motor cooling ventilation unit for city territory train belongs to rail vehicle air conditioning system technical field.
Background
With the new urbanization construction of China, particularly the rise of metropolis and grouped cities, the urban railways present the trend of rapid development, and many domestic cities are planning the urban railways at present. The urban train technology is based on a high-speed motor train unit technology and an A-type subway vehicle and technology. When the designed speed of the train in the urban area reaches about 160km/h, the train needs to be provided with a traction motor cooling and ventilating device.
At present, a cooling and ventilating device is commonly used for a motor train unit, but the space of a motor train unit underframe is abundant, so that the space limitation of the device caused by the structural problem does not need to be considered. The common air cooling mode of the traction motor is that a traction motor cooling fan is connected with a section of air supply duct to supply air to a traction motor. And because the motor train unit is provided with the equipment bin, the cooling fan of the traction motor on the motor train unit does not need to consider the problem that the air source is filtered and purified by a filter.
In the prior art, one air outlet of a fan corresponds to one air supply duct, two main air ducts for supplying air quantity by two traction motors are independent from each other, and the cooling fan of the existing traction motor is usually provided with a stainless steel filter screen at the air inlet of the fan to achieve the purpose of filtering and purifying the air source.
The defects of the prior art are as follows: the urban train has no enough space to arrange the device equipment in the prior technical scheme: 2 traction motor cooling fans or 2 independent air supply ducts are assembled under the vehicle. The problem of installation interference when a vehicle is static is considered in a limited subway underframe space, and meanwhile, various motion states of a bogie need to be additionally considered, so that the problem of structural interference of equipment (an air duct and a telescopic pipe) is solved when the bogie moves and an air outlet moves along with the bogie.
Disclosure of Invention
The utility model aims at providing a traction motor cooling ventilation unit for municipality territory train to the problem of above-mentioned prior art mainly.
In order to solve the technical problem, the utility model provides a traction motor cooling ventilation device for city district train, including cooling blower and supply air duct, traction motor's income wind gap and supply air duct intercommunication, its characterized in that: the air supply duct comprises a main air duct, an upper air duct leading to the far-end traction motor and a lower air duct leading to the near-end traction motor, the lower air duct is arranged below the upper air duct, the upstream ends of the upper air duct and the lower air duct are connected with the main air duct, guide plates are arranged inside the main air duct, inside the upper air duct and inside the lower air duct at intervals along the air flow direction, and the guide plates are arranged along the central line of the air duct to reduce turbulence.
Furthermore, the utility model discloses still claim a city domain subway train, its characterized in that: the traction motor cooling and ventilating device is provided.
Each traction motor cooling fan cools two traction motors of the same bogie to form a one-to-two structure, and an air channel is brand-new designed, so that the cooling fan is particularly suitable for urban trains with narrow bottom spaces.
Drawings
Fig. 1 is a schematic structural diagram of a traction motor cooling and ventilating device for a train in a city area.
Fig. 2 is a schematic diagram of the air supply duct of the traction motor cooling and ventilating device for the urban train of the present invention.
Fig. 3 is an internal schematic view of the main duct and the upper duct.
Fig. 4 is an internal schematic view of the main duct and the under duct.
The numbers in the figures are as follows:
1-a cooling fan, 2-an air supply duct, 21-a main air duct, 22-an upper air duct, 221-the bottom of the upper air duct and 23-a lower air duct; 3-soft air duct, 4-telescopic pipe, 5-guide plate, 6-L-shaped guide plate, 61-first upper top surface, 62-second upper top surface, 7-support and 8-hanging beam.
Detailed Description
The following explains an embodiment of the present invention with reference to the drawings.
As shown in fig. 1 to 4, the traction motor cooling and ventilating device for a train in an urban area of the present embodiment mainly includes a cooling fan 1, an air supply duct 2, a soft air duct 3, and a telescopic pipe 4.
The cooling fan 1 is fixed with the hanging beam 8 through the vibration absorber, the hanging beam 8 is fixed with the side beam of the vehicle body underframe, and the cooling fan 1 is hoisted on the vehicle body underframe.
The air outlet of the cooling fan 1 is connected with the air supply duct 2 through a soft air duct 3. The air supply duct 2 is provided with two air outlets which respectively correspond to two traction motor air inlets of the bogie, and the air inlets of the traction motors are connected with the air outlet of the air supply duct 2 through the telescopic pipes 4. The air supply duct realizes one inlet and two outlets, and realizes air cooling and temperature reduction of the two traction motors through one cooling fan. The air supply duct 2 and the extension tube 4 are fixedly connected with a C-shaped groove of a vehicle underframe through a bracket 7.
As shown in the figure, the air supply duct 2 includes a main air duct 21, an upper air duct 22 leading to a far-end traction motor, and a lower air duct 23 leading to a near-end traction motor, the lower air duct 23 is disposed below the upper air duct 22, the upstream ends of the upper air duct 22 and the lower air duct 23 are connected to the main air duct 21, baffles 5 are disposed inside the main air duct 21, inside the upper air duct 22, and inside the lower air duct 23 at intervals along the airflow direction, and the baffles 5 are disposed along the central axis of the air duct to reduce turbulence. The guide plate 5 is supported in the air supply duct 2, and the upper bottom surface and the lower bottom surface of the guide plate are respectively fixed with the inner wall of the air supply duct 2, so that the strength of the air duct is improved.
In this embodiment, an L-shaped baffle 6 is disposed at the connection between the main air duct 21 and the upper air duct 22 and the lower air duct 23, the lower bottom surface of the L-shaped baffle 6 is fixed to the inner bottom of the main air duct 21 and the lower air duct 23, the L-shaped baffle 6 has a first upper top surface 61 near the upstream end and a second upper top surface 62 near the downstream end, the first upper top surface 61 is fixed to the inner top of the main air duct 21, the second upper top surface 62 is fixed to the bottom 221 of the upper air duct 22, and the bottom of the upper air duct 22 is used as the upper top of the lower air duct 23. The bottom surface of the downstream end of the main air duct 21 is flush with the bottom surface of the upstream end of the lower air duct 23, and the top surface of the downstream end of the main air duct 21 is flush with the top surface of the upstream end of the upper air duct 22.
For solving the space shortage problem, the utility model discloses cooling and ventilating device adopts "one drags two" structure, and the design amount of wind of a traction motor cooling fan satisfies 2 required cooling air volumes of traction motor promptly, and 2 layers air supply about the air supply duct presents after main wind channel department wind regime is stable, and the inside guide plate of arranging of air supply duct accessible CAE emulation and actual ground ventilation test optimize the adjustment structure, reach the even effect of amount of wind distribution. The telescopic pipe fully considers the motion state of the bogie and avoids structural interference.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (8)
1. The utility model provides a traction motor cooling ventilation unit for city field train, includes cooling blower (1) and supply-air duct (2), traction motor's income wind gap and supply-air duct (2) intercommunication, its characterized in that: the air supply duct (2) comprises a main air duct (21), an upper air duct (22) leading to a far-end traction motor and a lower air duct (23) leading to a near-end traction motor, the lower air duct (23) is arranged below the upper air duct (22), the upstream ends of the upper air duct (22) and the lower air duct (23) are connected with the main air duct (21), guide plates (5) are arranged inside the main air duct (21), inside the upper air duct (22) and inside the lower air duct (23) at intervals along the air flow direction, and the guide plates (5) are arranged along the central axis of the air duct to reduce turbulence.
2. Traction motor cooling ventilation device for city trains according to claim 1, characterized in that: and the air conditioner is also provided with a soft air channel (3) connected between the air outlet of the cooling fan (1) and the air supply channel (2).
3. Traction motor cooling ventilation device for city trains according to claim 1, characterized in that: the air outlet of the upper air duct (22), the air outlet of the lower air duct (23) and the corresponding air inlet of the traction motor are connected through telescopic pipes (4).
4. Traction motor cooling ventilation device for city trains according to claim 1, characterized in that: the cooling fan (1) is fixed with the hanging beam (8) through the shock absorber, the hanging beam (8) is fixed with the side beam of the vehicle body chassis, and the cooling fan (1) is hoisted on the vehicle body chassis.
5. Traction motor cooling ventilation device for city trains according to claim 3, characterized in that: the air supply duct (2) and the telescopic pipe (4) are fixedly connected with a C-shaped groove of a vehicle underframe through a support (7).
6. Traction motor cooling ventilation device for city trains according to claim 1, characterized in that: the guide plate (5) is supported in the air supply duct (2), and the upper bottom surface and the lower bottom surface of the guide plate are respectively fixed with the inner wall of the air supply duct (2).
7. Traction motor cooling ventilation device for city trains according to claim 1, characterized in that: an L-shaped guide plate (6) is arranged at the joint of the main air duct (21) and the upper air duct (22) and the lower air duct (23), the lower bottom surface of the L-shaped guide plate (6) is fixed with the inner bottoms of the main air duct and the lower air duct (23), the L-shaped guide plate (6) is provided with a first upper top surface (61) close to the upstream end and a second upper top surface (62) close to the downstream end, the first upper top surface (61) is fixed with the inner top of the main air duct (21), the second upper top surface (62) is fixed with the bottom (221) of the upper air duct (22), and the bottom of the upper air duct (22) at the joint is used as the upper top of the lower air duct (23) at the same time; the bottom surface of the downstream end of the main air duct (21) is flush with the bottom surface of the upstream end of the lower air duct (23), and the top surface of the downstream end of the main air duct (21) is flush with the top surface of the upstream end of the upper air duct (22).
8. The utility model provides a city subway train which characterized in that: traction motor cooling ventilation device for a city train having any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922072602.9U CN210640788U (en) | 2019-11-27 | 2019-11-27 | Traction motor cooling and ventilating device for urban train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922072602.9U CN210640788U (en) | 2019-11-27 | 2019-11-27 | Traction motor cooling and ventilating device for urban train |
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| Publication Number | Publication Date |
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| CN210640788U true CN210640788U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922072602.9U Active CN210640788U (en) | 2019-11-27 | 2019-11-27 | Traction motor cooling and ventilating device for urban train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829728A (en) * | 2019-11-27 | 2020-02-21 | 中车南京浦镇车辆有限公司 | Traction motor cooling and ventilating device for urban train |
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2019
- 2019-11-27 CN CN201922072602.9U patent/CN210640788U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829728A (en) * | 2019-11-27 | 2020-02-21 | 中车南京浦镇车辆有限公司 | Traction motor cooling and ventilating device for urban train |
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