CN102717806A - Cooling device for motor train unit - Google Patents
Cooling device for motor train unit Download PDFInfo
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- CN102717806A CN102717806A CN2012102307903A CN201210230790A CN102717806A CN 102717806 A CN102717806 A CN 102717806A CN 2012102307903 A CN2012102307903 A CN 2012102307903A CN 201210230790 A CN201210230790 A CN 201210230790A CN 102717806 A CN102717806 A CN 102717806A
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- air
- radiator
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Abstract
The invention discloses a cooing device for a motor train unit. The cooling device comprises a support frame, at least one fan, a fan box, an air inlet box and a radiator, and is characterized in that the support frame comprises a frame I and a frame II; an installation base is arranged at the two ends of the frame I and the frame II respectively; the fan consists of a dual shaft extension motor and centrifugal fan impellers; a motor frame is fixed above the dual shaft extension motor; the fan box comprises a fan box I and a fan box II; the fan box I and the fan box II cover the centrifugal fan impellers at the two ends of the dual shaft extension motor respectively; bottom plates are fixed on the lower parts of the fan box I and the fan box II; the air inlet box comprises an air inlet box I and an air inlet box II; the radiator comprises a radiator I and a radiator II; and the radiator I, the radiator II, the air inlet box I, the air inlet box II, the fan box I, the fan box II and the motor frame which are fixed integrally are fixedly connected between the frame I and the frame II. The cooling device has the advantages of compact structure, light weight, high reliability, low noise, convenience for installing, low maintenance workload, and the like.
Description
Technical field
The present invention relates to the heat transfer technology field, specifically a kind of motor train unit are used cooling mechanism.
Background technology
At present, EMU is higher to traction drive integrated form cooling mechanism performance requriements, and is high to reliability requirement, requires harsh to noise and vibration.In the motor train unit operational process, expose some problems that cooling mechanism exists gradually, for example minority cooling mechanism heat-sinking capability deficiency, fan box crackle, radiator leak, the radiator laying dust is serious and be difficult for cleaning etc.For the higher motor train unit of speed per hour, need to increase the quantity of the cooling mechanism of cooling traction drive, therefore the weight to cooling mechanism has proposed strict restriction again.For improving cooling mechanism heat-sinking capability and reliability; And make things convenient for operation and maintenance; Reduce the utilization cost, be necessary to provide that a kind of heat-sinking capability is strong, reliability is high, in light weight, auxiliary power consume low, working service convenient, uses cooling mechanism with low cost to solve the problems referred to above.
Summary of the invention
According to the technical matters of above-mentioned proposition, and provide a kind of motor train unit to use cooling mechanism.The technological means that the present invention adopts is following:
A kind of motor train unit are used 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 and frame II, and the two ends of said I and said II respectively are provided with a mount pad; Said blower fan is stretched motor and is arranged on said twin shaft and stretches the centrifugal blower fan blade wheel at the motor shaft two ends of motor and form by twin shaft, and said twin shaft is stretched the motor upper fixed has the motor frame; Said air box comprises air box I and air box II; Said air box I and said air box II cover on said twin shaft respectively and stretch on the centrifugal blower fan blade wheel at motor two ends; The bottom of said air box I and said air box II is fixed with base plate, is respectively equipped with the main exhaust outlet that is complementary with said air box I and said air box II lower ending opening on the said base plate; Said inlet box comprises inlet box I and inlet box II, and said inlet box I and said inlet box II are separately fixed at the both sides of said air box I and said air box II; Said radiator comprises radiator I and radiator II, and said radiator I and said radiator II are separately fixed at the both sides of said inlet box I and said inlet box II; Fixedly the said radiator I of all-in-one-piece, said radiator II, said inlet box I, said inlet box II, said air box I, said air box II and said motor frame are fixedly connected between said I and said the II.
As preferably; Said air box I is respectively equipped with current collector with said air box II on the inlet side box body wall of said inlet box II one side on the inlet side box body wall of said inlet box I one side; Said current collector is to the tapering type open-type current collector of said centrifugal blower fan blade wheel direction from box body wall; Said current collector portlet cylindrical cap is inboard at the air intake air duct of said centrifugal blower fan blade wheel, and the air duct of said current collector and the overlapped part of said centrifugal blower fan blade wheel leaves 1～5mm gap between radially.
As preferably, offer the side exhaust outlet respectively on the box body wall of said air box I and said air box II.
As preferably; Said air box I and said air box II are stretched towards said twin shaft on the box body wall of motor one side and are respectively equipped with baffle plate; The upper end of said baffle plate is provided with diameter is stretched the motor shaft diameter of motor greater than said twin shaft semicircle orifice I; The box body wall of stretching motor one side towards said twin shaft is provided with the semicircle orifice II that is complementary with said semicircle orifice I; When said baffle plate fastens on the casing, stretch only surplus circular hole that the motor shaft that can supply said twin shaft to stretch motor passes on the contacted side box body wall of motor with said twin shaft.
As preferably, the quantity of said current collector is n
1, the quantity of said baffle plate is n
2, n
1And n
2Satisfy:
n
1=n
2=2m，
Wherein m is the quantity of said blower fan; Be respectively equipped with the air box dividing plate in the casing of said air box I and said air box II, the quantity of the air box dividing plate in said air box I and the said air box II casing is n
3, n
3Satisfy:
n
3=m-1。
As preferably, be equipped with elastic sealing ring between said inlet box I and the said air box I and between said inlet box II and the said air box II.
As preferably, be equipped with lightening hole on said I, said II and the said motor frame; The fixed end of each said mount pad and said I and said II is equipped with the reinforced rib I; The cross section of said I and said II is the U type, in U type structure, is provided with the reinforcement gusset.
As preferably, the casing edge of said inlet box I, said inlet box II, said air box I and said air box II and the edge of said base plate are equipped with the hole that the fire cable can be installed.
As preferably, the both sides of said radiator I and said radiator II also can be provided with the combined air air filter.
As preferably, said radiator I and said 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 present invention adopts whole supporting method of designing, utilizes the simulation calculation analysis means, realizes rational Match between each component capabilities.The present invention has the following advantages:
1, loss of weight structure design makes the cooling mechanism more compact structure, and weight is lighter;
2, the connection mode between parts has lowered the adverse effect of inner vibration source to each parts of cooling mechanism, makes the cooling mechanism reliability higher;
3, blower fan group structure design makes air flows more smooth and easy, and the auxiliary power of consumption is lower.
The present invention 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 present invention can extensively promote with fields such as cooling systems at mobile equipment cart for the foregoing reasons.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Fig. 1 is a front view of the present invention.
Fig. 2 is the scheme drawing of frame II of the present invention.
Fig. 3 be among Fig. 2 A-A to scheme drawing.
Fig. 4 is a perspective view of the present invention.
The specific embodiment
Like Fig. 1 and shown in Figure 4, a kind of motor train unit are used cooling mechanism, comprise 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 adopts the low temperature resistance steel plate bending to process with frame II 12; The cross section is a U-shaped; According to strength simulation result of calculation, the lightening hole of some is set on frame I 11 and frame II 12, in U type structure, be provided with on the main load-bearing position and strengthen gusset 16 (as shown in Figure 3); The two ends of said I 11 and said II 12 respectively are provided with a mount pad 13, and mount pad 13 is fixing with frame II 12 through the mode and the frame I 11 of welding; Each said mount pad 13 is equipped with reinforced rib I 15 (as shown in Figure 2) with the fixed end of said I 11 and said II 12; Weld after the L shaped steel plate bending of mount pad 13 employing band flanks and process, this special design, simple in structure, both satisfied requirement of strength, can alleviate the weight of bracing frame again to greatest extent.According to concrete design, also can adopt alternate manners such as fastener to be connected between mount pad 13 and the bracing frame, along the bracing frame length direction, the variable-sized design in U-shaped cross section.
Said blower fan is stretched motor 21 and is arranged on said twin shaft and stretches the centrifugal blower fan blade wheel 22 at the motor shaft two ends of motor 21 and form 2 blower fans, totally 4 centrifugal blower fan blade wheels 22 by twin shaft; The shaft centre line of said blower fan is consistent with the bracing frame length direction.Said twin shaft is stretched motor 21 upper fixed has motor frame 14, welds after the low temperature resistant breaker plate bending of motor frame 14 employings and processes.Motor frame 14 is vertical with frame II 12 with frame I 11 along its length, and said motor frame 14 is provided with lightening hole, rationally adjusts the frequency of motor frame 14 through lightening hole, makes motor frame 14 fundamental frequencies thoroughly avoid the motor running frequency.Motor frame 14 cross sections are similar to 1 square waveform, and 2 flange deformable designs in the square wave outside along motor frame 14 length directions, are provided with reinforced rib in square wave two vertical edges 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 concrete design, along motor frame 14 length directions, the variable-sized design in square wave cross section.
Said air box comprises air box I 31 and air box II 32; Said air box I 31 covers on said twin shaft respectively with said air box II 32 and stretches on the centrifugal blower fan blade wheel 22 at motor 21 two ends; The bottom of said air box I 31 and said air box II 32 is fixed with base plate 33, is respectively equipped with the main exhaust outlet that is complementary with said air box I 31 and said air box II 32 lower ending openings on the said base plate 33; Said inlet box comprises inlet box I 41 and inlet box II 42; Said inlet box I 41 and said inlet box II 42 are separately fixed at the both sides of said air box I 31 and said air box II 32; Be equipped with elastic sealing ring 43 between said inlet box I 41 and the said air box I 31 and between said inlet box II 42 and the said 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 the influence of inner vibration source to the cooling mechanism radiator, helps improving the reliability of cooling mechanism, the axial deformation after the adjustment radiator is heated.Said air box I 31 is respectively equipped with current collector 23, totally 4 with said air box II 32 on the inlet side box body wall of said inlet box II 42 1 sides on the inlet side box body wall of said inlet box I 41 1 sides; Said current collector 23 is to the tapering type open-type current collector of said centrifugal blower fan blade wheel 22 directions from box body wall; Said current collector 23 portlet cylindrical cap are inboard at the air intake air duct of said centrifugal blower fan blade wheel 22, and the air duct of said current collector 23 and said centrifugal blower fan blade wheel 22 overlapped parts leaves 1～5mm gap between radially.This design can make coolant air evenly get into blower fan smoothly; Help reducing the airiness resistance, reduce the spillage of air, improve charge air in centrifugal blower fan blade wheel 22 inflow points; Finally help to improve the cooling mechanism heat-sinking capability; Reduce the air flows noise, reduce the power of electrical consumption, save the energy.Said air box I 31 and said air box II 32 are stretched towards said twin shaft on the box body wall of motor 21 1 sides and also are respectively equipped with 4 baffle plates 34; The upper end of said baffle plate 34 is provided with somewhat larger in diameter is stretched the motor shaft diameter of motor 21 in said twin shaft semicircle orifice I; The box body wall of stretching motor 21 1 sides towards said twin shaft is provided with the semicircle orifice II that is complementary with said semicircle orifice I; When said baffle plate 34 fastens on the casing; Stretch only surplus circular hole that the motor shaft that can supply said twin shaft to stretch motor 21 passes on the box body wall of motor 21 1 sides towards said twin shaft, 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 said air box I 31 and said air box II 32, the blower fan separator of battery plates makes each blower fan runner independent, can not influence the whole performance of ventilating of blower fan group because of the mutual interference of multi fan air draft phase.Air box offers the side exhaust outlet respectively on the box body wall of said air box I 31 and said air box II 32 except the bottom is provided with main exhaust outlet, said 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; Promptly 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.
Said radiator comprises radiator I 51 and radiator II 52, and said radiator I 51 and said radiator II 52 are separately fixed at the both sides of said inlet box I 41 and said inlet box II 42; Said radiator I 51 all adopts plate-fin structure with said radiator II 52, and its air fin adopts the corrugated heat radiating fin structure of non-incision, and this structure has solved the motor train unit radiator and has been prone to difficult problems such as dirt is dirty, maintenance workload is big; 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 said radiator I 51 and said radiator II 52 also can be provided with the combined air air filter.
Fixedly the said radiator I of all-in-one-piece 51, said radiator II 52, said inlet box I 41, said inlet box II 42, said air box I 31, said air box II 32 and said motor frame 14 are fixedly connected between said I 11 and said the II 12.Be that each parts does not directly link to each other with the vibration source parts, this design has reduced the influence of the internal vibration of cooling mechanism motor rotation generation to casing, can reduce the possibility that each parts cracks equally, improves the cooling mechanism reliability.
In addition, said inlet box I 41, said inlet box II 42, said air box I 31 and the casing edge of said air box II 32 and the edge of said base plate 33 are equipped with the hole 17 that the fire cable can be installed, and can increase device '.Each component part of the present invention can increase and decrease quantity as required.
When the present invention works; Motor 21 rotations of blower fan drive centrifugal blower fan blade wheel 22 and rotate, and attract ambient air outside to flow to radiator; Coolant air is through radiator; After absorbing the heat of high-temp liquid in the lumen of radiator,, revolve in the effect downstream of centrifugal blower fan blade wheel 22 and vertically to blow to ground after turning 90 degrees again successively through inlet box, air box.Liquid after being cooled flows back to voltage transformer or current transformer under the effect of pump, accomplish the cooling to electric elements.
The above; Be merely the preferable specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technical personnel of being familiar with the present technique field is equal to replacement or change according to technical scheme of the present invention and inventive concept thereof in the technical scope that the present invention discloses, all should be encompassed within protection scope of the present invention.
Claims (10)
1. motor train unit are used 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 said I (11) and said II (12) respectively are provided with a mount pad (13); Said blower fan is stretched motor (21) by twin shaft and is arranged on said twin shaft and stretches the centrifugal blower fan blade wheel (22) at the motor shaft two ends of motor (21) and form, and said twin shaft is stretched motor (21) upper fixed has motor frame (14); Said air box comprises air box I (31) and air box II (32); Said air box I (31) and said air box II (32) cover on said twin shaft respectively and stretch on the centrifugal blower fan blade wheel (22) at motor (21) two ends; The bottom of said air box I (31) and said air box II (32) is fixed with base plate (33), is respectively equipped with the main exhaust outlet that is complementary with said air box I (31) and said air box II (32) lower ending opening on the said base plate (33); Said inlet box comprises inlet box I (41) and inlet box II (42), and said inlet box I (41) and said inlet box II (42) are separately fixed at the both sides of said air box I (31) and said air box II (32); Said radiator comprises radiator I (51) and radiator II (52), and said radiator I (51) and said radiator II (52) are separately fixed at the both sides of said inlet box I (41) and said inlet box II (42); Fixedly the said radiator I of all-in-one-piece (51), said radiator II (52), said inlet box I (41), said inlet box II (42), said air box I (31), said air box II (32) and said motor frame (14) are fixedly connected between said I (11) and said the II (12).
2. motor train unit according to claim 1 are used cooling mechanism; It is characterized in that: said air box I (31) is respectively equipped with current collector (23) with said air box II (32) on the inlet side box body wall of said inlet box II (42) one sides on the inlet side box body wall of said inlet box I (41) one sides; Said current collector (23) is to the tapering type open-type current collector of said centrifugal blower fan blade wheel (22) direction from box body wall; Said current collector (23) portlet cylindrical cap is inboard at the air intake air duct of said centrifugal blower fan blade wheel (22), and the air duct of said current collector (23) and the overlapped part of said centrifugal blower fan blade wheel (22) leaves 1～5mm gap between radially.
3. motor train unit according to claim 1 are used cooling mechanism, it is characterized in that: offer the side exhaust outlet respectively on the box body wall of said air box I (31) and said air box II (32).
4. motor train unit according to claim 1 are used cooling mechanism; It is characterized in that: said air box I (31) and said air box II (32) are stretched towards said twin shaft on the box body wall of motor (21) one sides and are respectively equipped with baffle plate (34); The upper end of said baffle plate (34) is provided with diameter is stretched the motor shaft diameter of motor (21) greater than said twin shaft semicircle orifice I; The box body wall of stretching motor (21) one sides towards said twin shaft is provided with the semicircle orifice II that is complementary with said semicircle orifice I; When said baffle plate (34) fastens on the casing, stretch only surplus circular hole that the motor shaft that can supply said twin shaft to stretch motor (21) passes on the box body wall of motor (21) one sides towards said twin shaft.
5. motor train unit according to claim 1 are used cooling mechanism, it is characterized in that: the quantity of said current collector (23) is n
1, the quantity of said baffle plate (34) is n
2, n
1And n
2Satisfy:
n
1=n
2=2m，
Wherein m is the quantity of said blower fan; Be respectively equipped with the air box dividing plate in the casing of said air box I (31) and said air box II (32), the quantity of the air box dividing plate in said air box I (31) and said air box II (32) casing is n
3, n
3Satisfy:
n
3=m-1。
6. motor train unit according to claim 1 are used cooling mechanism, it is characterized in that: be equipped with elastic sealing ring (43) between said inlet box I (41) and the said air box I (31) and between said inlet box II (42) and the said air box II (32).
7. motor train unit according to claim 1 are used cooling mechanism, it is characterized in that: be equipped with lightening hole on said I (11), said II (12) and the said motor frame (14); Each said mount pad (13) is equipped with reinforced rib I (15) with the fixed end of said I (11) and said II (12); The cross section of said I (11) and said II (12) is the U type, in U type structure, is provided with to strengthen gusset (16).
8. motor train unit according to claim 1 are used cooling mechanism, it is characterized in that: the casing edge of said inlet box I (41), said inlet box II (42), said air box I (31) and said air box II (32) and the edge of said base plate (33) are equipped with the hole (17) that the fire cable can be installed.
9. motor train unit according to claim 1 are used cooling mechanism, it is characterized in that: the both sides of said radiator I (51) and said radiator II (52) also can be provided with the combined air air filter.
10. motor train unit according to claim 1 are used cooling mechanism; It is characterized in that: said radiator I (51) and said 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 |
|---|---|---|---|
| CN2012102307903A CN102717806A (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 |
|---|---|---|---|
| CN2012102307903A CN102717806A (en) | 2012-07-04 | 2012-07-04 | Cooling device for motor train unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102717806A true CN102717806A (en) | 2012-10-10 |
Family
ID=46943723
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102307903A Pending CN102717806A (en) | 2012-07-04 | 2012-07-04 | Cooling device for motor train unit |
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| Country | Link |
|---|---|
| CN (1) | CN102717806A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253277A (en) * | 2013-05-30 | 2013-08-21 | 中国北车集团大连机车研究所有限公司 | Cooling unit for traction system |
| WO2014005384A1 (en) * | 2012-07-04 | 2014-01-09 | 中国北车集团大连机车研究所有限公司 | Cooling device for multi-unit trains |
| CN103646752A (en) * | 2013-12-18 | 2014-03-19 | 中国北车集团大连机车研究所有限公司 | Traction transformer cooling system of intercity CRH (China railway high-speed) |
| WO2024198369A1 (en) * | 2023-03-29 | 2024-10-03 | 中车大连机车研究所有限公司 | Cooling system for locomotive or multiple unit |
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| EP0794098A1 (en) * | 1996-03-05 | 1997-09-10 | Hitachi, Ltd. | Electric power transforming apparatus for electric rolling stock |
| CN101101008A (en) * | 2007-08-01 | 2008-01-09 | 深圳市龙岗区金怡信电子厂 | Centrifugal fan and aeration device with indoor air purifying function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014005384A1 (en) * | 2012-07-04 | 2014-01-09 | 中国北车集团大连机车研究所有限公司 | Cooling device for multi-unit trains |
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| CN103253277B (en) * | 2013-05-30 | 2016-03-30 | 中国北车集团大连机车研究所有限公司 | Traction system cooling unit |
| CN103646752A (en) * | 2013-12-18 | 2014-03-19 | 中国北车集团大连机车研究所有限公司 | Traction transformer cooling system of intercity CRH (China railway high-speed) |
| CN103646752B (en) * | 2013-12-18 | 2016-01-27 | 中国北车集团大连机车研究所有限公司 | Intercity motor train unit traction transformer cooling system |
| WO2024198369A1 (en) * | 2023-03-29 | 2024-10-03 | 中车大连机车研究所有限公司 | Cooling system for locomotive or multiple unit |
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Application publication date: 20121010 |