CN202764971U - Cooling device for motor train unit - Google Patents
Cooling device for motor train unit Download PDFInfo
- Publication number
- CN202764971U CN202764971U CN 201220321143 CN201220321143U CN202764971U CN 202764971 U CN202764971 U CN 202764971U CN 201220321143 CN201220321143 CN 201220321143 CN 201220321143 U CN201220321143 U CN 201220321143U CN 202764971 U CN202764971 U CN 202764971U
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- box
- air box
- motor
- radiator
- double
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a cooling device for a motor train unit. The cooling device comprises a supporting frame, at least one fan, fan boxes, air inlet boxes and radiators, and is characterized in that the supporting frame comprises a frame I and a frame II, two mounting seats are arranged at two ends of each of the frame I and the frame II respectively, each fan comprises a double-extension motor and centrifugal fan impellers, a motor frame is fixed above the double-extension motors, the fan boxes include a fan box I and a fan box II, each of the fan box I and the fan box II covers the centrifugal fan impellers at two ends of each double-extension motor, a bottom plate is fixed on the lower portions of the fan box I and the fan box II, the air inlet boxes include an air inlet box I and an air inlet box II, the radiators include a radiator I and a radiator II, and the radiator I, the radiator II, the air inlet box I, air inlet box II, the fan box I, the fan box II and the motor frame which are fixed integrally are connected between the frame I and the frame II. The cooling device for the motor train unit has the advantages of compact structure, light weight, high reliability, low noise, convenience in mounting, low maintenance load and the like.
Description
Technical field
The utility model relates to the heat transfer technology field, specifically a kind of motor train unit cooling mechanism.
Background technology
At present, EMU is higher to traction drive integrated cooling device performance requriements, and is high to reliability requirement, noise and vibration required harsh.In the motor train unit operational process, expose gradually some problems that cooling mechanism exists, such as minority cooling mechanism heat-sinking capability deficiency, fan box crackle, radiator leak, radiator laying dust easy cleaning etc. seriously and not.For the higher motor train unit of speed per hour, need to increase the quantity of the cooling mechanism of cooling traction drive, therefore strict restriction has been proposed again the weight of cooling mechanism.For improving cooling mechanism heat-sinking capability and reliability, and make things convenient for operation and maintenance, reduce to use cost, be necessary to provide that a kind of heat-sinking capability is strong, reliability is high, lightweight, auxiliary power consume low, working service convenient, uses cooling mechanism with low cost to solve the problems referred to above.
The utility model content
According to the technical matters of above-mentioned proposition, and provide a kind of motor train unit cooling mechanism.The technological means that the utility model adopts is as follows:
A kind of motor train unit cooling mechanism comprises bracing frame, at least one blower fan, air box, inlet box and radiator, it is characterized in that: support frame as described above comprises frame I and frame II, and the two ends of described I and described II respectively are provided with a mount pad; Described blower fan is comprised of motor for double-ended drive and the centrifugal blower fan blade wheel that is arranged on the motor shaft two ends of described motor for double-ended drive, and described motor for double-ended drive top is fixed with motor rack; Described air box comprises air box I and air box II, described air box I and described air box II cover on respectively on the centrifugal blower fan blade wheel at described motor for double-ended drive two ends, the bottom of described air box I and described air box II is fixed with base plate, is respectively equipped with the main exhaust outlet that is complementary with described air box I and described air box II lower ending opening on the described base plate; Described inlet box comprises inlet box I and inlet box II, and described inlet box I and described inlet box II are separately fixed at the both sides of described air box I and described air box II; Described radiator comprises radiator I and radiator II, and described radiator I and described radiator II are separately fixed at the both sides of described inlet box I and described inlet box II; Fixedly the described radiator I of all-in-one-piece, described radiator II, described inlet box I, described inlet box II, described air box I, described air box II and described motor rack are fixedly connected between described I and described the II.
As preferably, described air box I is respectively equipped with current collector with described air box II on the inlet side box body wall of described inlet box II one side on the inlet side box body wall of described inlet box I one side, described current collector is to the tapering type open-type current collector of described centrifugal blower fan blade wheel direction from box body wall, described current collector portlet cylindrical cap is inboard at the air intake air duct of described centrifugal blower fan blade wheel, and the air duct of described current collector and the overlapped part of described centrifugal blower fan blade wheel leaves 1～5mm gap between radially.
As preferably, offer respectively the side exhaust outlet on the box body wall of described air box I and described air box II.
As preferably, described air box I and described air box II are respectively equipped with baffle plate on the box body wall of described motor for double-ended drive one side, the upper end of described baffle plate is provided with diameter greater than the semicircle orifice I of the motor shaft diameter of described motor for double-ended drive, box body wall towards described motor for double-ended drive one side is provided with the semicircle orifice II that is complementary with described semicircle orifice I, when described baffle plate fastens on the casing, with a surplus circular hole that can pass for the motor shaft of described motor for double-ended drive only on the contacted side box body wall of described motor for double-ended drive.
As preferably, the quantity of described current collector is n
1, the quantity of described baffle plate is n
2, n
1And n
2Satisfy:
n
1=n
2=2m，
Wherein m is the quantity of described blower fan; Be respectively equipped with the air box dividing plate in the casing of described air box I and described air box II, the quantity of the air box dividing plate in described air box I and the described air box II casing is n
3, n
3Satisfy:
n
3=m-1。
As preferably, be equipped with elastic sealing ring between described inlet box I and the described air box I and between described inlet box II and the described air box II.
As preferably, be equipped with lightening hole on described I, described II and the described motor rack; The fixed end of each described mount pad and described I and described II is equipped with the reinforced rib I; The cross section of described I and described II is U-shaped, is provided with the reinforcement gusset in U-shaped structure.
As preferably, the casing edge of described inlet box I, described inlet box II, described air box I and described air box II and the edge of described base plate are equipped with the hole that condition of a fire alarm cable can be installed.
As preferably, the both sides of described radiator I and described radiator II also can arrange Combined-type air filter.
As preferably, described radiator I and described radiator II all adopt plate-fin structure, and its Air fin adopts the corrugated heat radiating fin structure of non-incision, adopt small echo apart from many otch fin structure in the oily passage.
The utility model adopts whole supporting method of designing, utilizes the Simulation Analysis means, realizes Proper Match between each component capabilities.The utlity model has following advantage:
1, Lightened structure design makes the cooling mechanism more compact structure, and weight is lighter;
2, the connection mode between parts has lowered inner vibration source to the adverse effect of each parts of cooling mechanism, makes the cooling mechanism reliability higher;
3, blower fan group structure design makes Air Flow more smooth and easy, and the auxiliary power of consumption is lower.
The utility model satisfies under the prerequisite that heat radiation requires, and volume is little, compact conformation, reliability is high, noise is low, easy for installation, the maintenance and repair work capacity is little.The utility model can extensively be promoted in fields such as Mobile Equipment cooling system for vehicles for the foregoing reasons.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the utility model front view.
Fig. 2 is the schematic diagram of the utility model frame II.
Fig. 3 be among Fig. 2 A-A to schematic diagram.
Fig. 4 is perspective view of the present utility model.
The specific embodiment
As shown in Figure 1 and Figure 4, a kind of motor train unit cooling mechanism comprises bracing frame, two blower fans, air box, inlet box and radiatores.Support frame as described above comprises frame I 11 and frame II 12, frame I 11 and frame II 12 adopt the low temperature resistance steel plate bending to make, the cross section is U-shaped, according to strength simulation result of calculation, the lightening hole of some is set in frame I 11 and frame II 12, and main weight-bearing position is set up to arrange and strengthens gusset 16(as shown in Figure 3 in U-shaped structure); The two ends of described I 11 and described II 12 respectively are provided with a mount pad 13, and mount pad 13 is fixed with frame I 11 and frame II 12 by the mode of welding; Each described mount pad 13 is equipped with reinforced rib I 15(as shown in Figure 2 with the fixed end of described I 11 and described II 12); Weld behind the L shaped steel plate bending that mount pad 13 adopts with flank and make, this special design, simple in structure, both satisfied requirement of strength, can alleviate to greatest extent again the weight of bracing frame.According to specific design, also can adopt the alternate manners such as fastener to be connected between mount pad 13 and the bracing frame, along the bracing frame length direction, U-shaped section-variable size design.
Described blower fan forms 2 blower fans, totally 4 centrifugal blower fan blade wheels 22 by motor for double-ended drive 21 and the centrifugal blower fan blade wheel 22 that is arranged on the motor shaft two ends of described motor for double-ended drive 21; The shaft centre line of described blower fan is consistent with the bracing frame length direction.Described motor for double-ended drive 21 tops are fixed with motor rack 14, weld after the low temperature resistant breaker plate bending of motor rack 14 employings and make.Motor rack 14 is vertical with frame II 12 with frame I 11 along its length, and described motor rack 14 is provided with lightening hole, rationally adjusts the frequency of motor rack 14 by lightening hole, makes motor rack 14 fundamental frequencies thoroughly avoid the motor running frequency.Motor rack 14 cross sections are similar to 1 square waveform, and 2 flange deformable designs in the square wave outside along motor rack 14 length directions, arrange reinforced rib in square wave two perpendicular edge inboards.This structure design is the same with the design of bracing frame, and is simple in structure, both satisfied requirement of strength, again expendable weight to greatest extent.According to specific design, along motor rack 14 length directions, square wave section-variable size design.
Described air box comprises air box I 31 and air box II 32, described air box I 31 and described air box II 32 cover on respectively on the centrifugal blower fan blade wheel 22 at described motor for double-ended drive 21 two ends, the bottom of described air box I 31 and described air box II 32 is fixed with base plate 33, is respectively equipped with the main exhaust outlet that is complementary with described air box I 31 and described air box II 32 lower ending openings on the described base plate 33; Described inlet box comprises inlet box I 41 and inlet box II 42, described inlet box I 41 and described inlet box II 42 are separately fixed at the both sides of described air box I 31 and described air box II 32, be equipped with elastic sealing ring 43 between described inlet box I 41 and the described air box I 31 and between described inlet box II 42 and the described air box II 32, this design has guaranteed the leak tightness of air system, can avoid the abnormal sound that leaks gas and produce; Simultaneously, elastic sealing ring 43 can absorb the shock and vibration to casing that casing internal air stream movable property is given birth to, and reduces inner vibration source to the impact of cooling mechanism radiator, is conducive to improve the reliability of cooling mechanism, adjusts the axial deformation after radiator is heated.Described air box I 31 is respectively equipped with current collector 23, totally 4 with described air box II 32 on the inlet side box body wall of described inlet box II 42 1 sides on the inlet side box body wall of described inlet box I 41 1 sides; Described current collector 23 is to the tapering type open-type current collector of described centrifugal blower fan blade wheel 22 directions from box body wall, described current collector 23 portlet cylindrical cap are inboard at the air intake air duct of described centrifugal blower fan blade wheel 22, and the air duct of described current collector 23 and described centrifugal blower fan blade wheel 22 overlapped parts leaves 1～5mm gap between radially.This design can make cooling-air evenly enter smoothly blower fan, be conducive to reduce the airiness resistance, reduce air in the spillage of centrifugal blower fan blade wheel 22 inflow points, improve charge air, finally help to improve the cooling mechanism heat-sinking capability, reduce the Air Flow noise, reduce the power of electrical consumption, save the energy.Described air box I 31 and described air box II 32 also are respectively equipped with 4 baffle plates 34 on the box body wall of described motor for double-ended drive 21 1 sides, the upper end of described baffle plate 34 is provided with slightly larger in diameter in the semicircle orifice I of the motor shaft diameter of described motor for double-ended drive 21, box body wall towards described motor for double-ended drive 21 1 sides is provided with the semicircle orifice II that is complementary with described semicircle orifice I, when described baffle plate 34 fastens on the casing, on the box body wall of described motor for double-ended drive 21 1 sides, only remain a circular hole that can pass for the motor shaft of described motor for double-ended drive 21, this design can further improve charge air in the fan box, improves cooling capacity.Be respectively equipped with 1 air box dividing plate in the casing of described air box I 31 and described air box II 32, the blower fan separator of battery plates makes each blower fan runner independent, can not affect because of the mutual interference of multi fan air draft phase the whole performance of ventilating of blower fan group.Air box is except the bottom arranges main exhaust outlet, on the box body wall of described air box I 31 and described air box II 32, offer respectively the side exhaust outlet, described side exhaust outlet can be opened on the sidewall of the two side of casing or either side, this design can reduce blower fan bottom exhaust air rate, namely reduce blower fan bottom ventilation velocity, make the overall aeroperformance of cooling mechanism better, can reduce air box and base plate 33 loads, reduce the possibility that casing cracks, improve the cooling mechanism reliability; Simultaneously on fan box and base plate 33, a plurality of reinforced ribs are set respectively, can further strengthen the casing load-bearing capacity.
Described radiator comprises radiator I 51 and radiator II 52, and described radiator I 51 and described radiator II 52 are separately fixed at the both sides of described inlet box I 41 and described inlet box II 42; Described radiator I 51 and described radiator II 52 all adopt plate-fin structure, and its Air fin adopts the corrugated heat radiating fin structure of non-incision, and this structure has solved the motor train unit radiator difficult problems such as easily dirt is dirty, maintenance workload is large; Adopt small echo apart from many otch fin structure in the oil passage, under the prerequisite that satisfies oily lateral pressure loss, improved heat-sinking capability.As required, the both sides of described radiator I 51 and described radiator II 52 also can arrange Combined-type air filter.
Fixedly the described radiator I 51 of all-in-one-piece, described radiator II 52, described inlet box I 41, described inlet box II 42, described air box I 31, described air box II 32 and described motor rack 14 are fixedly connected between described I 11 and described the II 12.Be that each parts does not directly link to each other with the vibration source parts, this design has reduced the internal vibration of cooling mechanism motor rotation generation to the impact of casing, can reduce the possibility that each parts cracks equally, improves the cooling mechanism reliability.
In addition, the casing edge of described inlet box I 41, described inlet box II 42, described air box I 31 and described air box II 32 and the edge of described base plate 33 are equipped with the hole 17 that condition of a fire alarm cable can be installed, and can increase the safety performance of equipment.Each component part of the utility model can increase and decrease quantity as required.
During the utility model work, motor 21 rotations of blower fan, driving centrifugal blower fan blade wheel 22 rotates, attract ambient air outside to flow to radiator, cooling-air is through radiator, after absorbing the heat of high-temp liquid in the lumen of radiator, successively through inlet box, air box, behind the effect downstream 90-degree rotation of centrifugal blower fan blade wheel 22, vertically blow to ground again.Liquid after being cooled flows back to voltage transformer or current transformer under the effect of pump, finish the cooling to electric elements.
The above; it only is the better specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all should be encompassed within the protection domain of the present utility model.
Claims (10)
1. motor train unit cooling mechanism, comprise bracing frame, at least one blower fan, air box, inlet box and radiator, it is characterized in that: support frame as described above comprises frame I (11) and frame II (12), and the two ends of described I (11) and described II (12) respectively are provided with a mount pad (13); Described blower fan is comprised of motor for double-ended drive (21) and the centrifugal blower fan blade wheel (22) that is arranged on the motor shaft two ends of described motor for double-ended drive (21), and described motor for double-ended drive (21) top is fixed with motor rack (14); Described air box comprises air box I (31) and air box II (32), described air box I (31) and described air box II (32) cover on respectively on the centrifugal blower fan blade wheel (22) at described motor for double-ended drive (21) two ends, the bottom of described air box I (31) and described air box II (32) is fixed with base plate (33), is respectively equipped with the main exhaust outlet that is complementary with described air box I (31) and described air box II (32) lower ending opening on the described base plate (33); Described inlet box comprises inlet box I (41) and inlet box II (42), and described inlet box I (41) and described inlet box II (42) are separately fixed at the both sides of described air box I (31) and described air box II (32); Described radiator comprises radiator I (51) and radiator II (52), and described radiator I (51) and described radiator II (52) are separately fixed at the both sides of described inlet box I (41) and described inlet box II (42); Fixedly the described radiator I of all-in-one-piece (51), described radiator II (52), described inlet box I (41), described inlet box II (42), described air box I (31), described air box II (32) and described motor rack (14) are fixedly connected between described I (11) and described the II (12).
2. motor train unit cooling mechanism according to claim 1, it is characterized in that: described air box I (31) is respectively equipped with current collector (23) with described air box II (32) on the inlet side box body wall of described inlet box II (42) one sides on the inlet side box body wall of described inlet box I (41) one sides, described current collector (23) is to the tapering type open-type current collector of described centrifugal blower fan blade wheel (22) direction from box body wall, described current collector (23) portlet cylindrical cap is inboard at the air intake air duct of described centrifugal blower fan blade wheel (22), and the air duct of described current collector (23) and the overlapped part of described centrifugal blower fan blade wheel (22) leaves 1～5mm gap between radially.
3. motor train unit cooling mechanism according to claim 1 is characterized in that: offer respectively the side exhaust outlet on the box body wall of described air box I (31) and described air box II (32).
4. motor train unit cooling mechanism according to claim 1, it is characterized in that: described air box I (31) and described air box II (32) are respectively equipped with baffle plate (34) on the box body wall of described motor for double-ended drive (21) one sides, the upper end of described baffle plate (34) is provided with diameter greater than the semicircle orifice I of the motor shaft diameter of described motor for double-ended drive (21), box body wall towards described motor for double-ended drive (21) one sides is provided with the semicircle orifice II that is complementary with described semicircle orifice I, when described baffle plate (34) fastens on the casing, on the box body wall of described motor for double-ended drive (21) one sides, only remain a circular hole that can pass for the motor shaft of described motor for double-ended drive (21).
5. motor train unit cooling mechanism according to claim 2, it is characterized in that: the quantity of described current collector (23) is n
1, the quantity of described baffle plate (34) is n
2, n
1And n
2Satisfy:
n
1=n
2=2m，
Wherein m is the quantity of described blower fan; Be respectively equipped with the air box dividing plate in the casing of described air box I (31) and described air box II (32), the quantity of the air box dividing plate in described air box I (31) and described air box II (32) casing is n
3, n
3Satisfy:
n
3=m-1。
6. motor train unit cooling mechanism according to claim 1 is characterized in that: be equipped with elastic sealing ring (43) between described inlet box I (41) and the described air box I (31) and between described inlet box II (42) and the described air box II (32).
7. motor train unit cooling mechanism according to claim 1 is characterized in that: be equipped with lightening hole on described I (11), described II (12) and the described motor rack (14); Each described mount pad (13) is equipped with reinforced rib I (15) with the fixed end of described I (11) and described II (12); The cross section of described I (11) and described II (12) is U-shaped, is provided with to strengthen gusset (16) in U-shaped structure.
8. motor train unit cooling mechanism according to claim 1, it is characterized in that: the casing edge of described inlet box I (41), described inlet box II (42), described air box I (31) and described air box II (32) and the edge of described base plate (33) are equipped with the hole (17) that condition of a fire alarm cable can be installed.
9. motor train unit cooling mechanism according to claim 1, it is characterized in that: the both sides of described radiator I (51) and described radiator II (52) also can arrange Combined-type air filter.
10. motor train unit cooling mechanism according to claim 1, it is characterized in that: described radiator I (51) and described radiator II (52) all adopt plate-fin structure, its Air fin adopts the corrugated heat radiating fin structure of non-incision, adopts small echo apart from many otch fin structure in the oily passage.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321143 CN202764971U (en) | 2012-07-04 | 2012-07-04 | Cooling device for motor train unit |
| PCT/CN2012/083519 WO2014005384A1 (en) | 2012-07-04 | 2012-10-25 | Cooling device for multi-unit trains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321143 CN202764971U (en) | 2012-07-04 | 2012-07-04 | Cooling device for motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202764971U true CN202764971U (en) | 2013-03-06 |
Family
ID=47771565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321143 Expired - Lifetime CN202764971U (en) | 2012-07-04 | 2012-07-04 | Cooling device for motor train unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202764971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717806A (en) * | 2012-07-04 | 2012-10-10 | 中国北车集团大连机车研究所有限公司 | Cooling device for motor train unit |
-
2012
- 2012-07-04 CN CN 201220321143 patent/CN202764971U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717806A (en) * | 2012-07-04 | 2012-10-10 | 中国北车集团大连机车研究所有限公司 | Cooling device for motor train unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116021 Shahekou, Liaoning, China No. 49 The Strip Patentee after: CRRC DALIAN INSTITUTE Co.,Ltd. Address before: 116021 Shahekou, Liaoning, China No. 49 The Strip Patentee before: CNR DALIAN LOCOMOTIVE RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |