CN101699075A - Cooling fan for traction transformer system of motor train unit train - Google Patents
Cooling fan for traction transformer system of motor train unit train Download PDFInfo
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- CN101699075A CN101699075A CN200910043313A CN200910043313A CN101699075A CN 101699075 A CN101699075 A CN 101699075A CN 200910043313 A CN200910043313 A CN 200910043313A CN 200910043313 A CN200910043313 A CN 200910043313A CN 101699075 A CN101699075 A CN 101699075A
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- movable vane
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- vane wheel
- fan
- intake grill
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Abstract
The invention relates to a cooling fan for a traction transformer system of a motor train unit train, which comprises a fan shell (1), a flow guidance fan impeller (2), a motor (3), an air inlet impeller (4) and an air outlet impeller (5), wherein the flow guidance fan impeller (2) is fixedly arranged in the fan shell (1); the motor (3) is arranged in a hub of the flow guidance fan impeller (2); a rotating output shaft (31) of the motor (3) extends out of two ends of the motor body; the air inlet impeller (4) is arranged at one end, close to an air inlet (11), of the rotating output shaft (31) of the motor (3) and is positioned in the fan shell (1); and the air outlet impeller (5) is arranged at the other end, close to an air outlet (12), of the rotating output shaft (31) of the motor (3) and is positioned in the fan shell (1). The cooling fan is characterized by enough wind power and small size, and is particularly suitable for cooling and radiating the traction transformer system of the motor train unit train with the speed of over 300 kilometers per hour.
Description
Technical field
The present invention relates to a kind of blower fan that the electric express locomotive traction transformer system is cooled off, specifically, be air quantity that blower fan is produced with certain pressure by the radiator in the traction transformer system, the heat that produces when taking away traction transformer of locomotive work, to guarantee the heat load level of whole electric express locomotive traction transformer system, its particularly a kind of cooling fan for traction transformer system of motor train unit train.
Background technique
According to the state-owned railroads development strategy, country invests the high-speed railway net energetically, and introduces and produced 200 kilometers rail motor set locomotives of speed per hour.Quickening along with national high speed railway construction, country vigorously advocates and assimilates advanced foreign technologies and further refine them, at independent development speed per hour motor train unit train more than 300 kilometers energetically on the basis of 200 kilometers rail motor set locomotives, be mainly used in intercity high ferro and Wu Guang high ferro and following high-speed railway.
Present cooling fan for traction transformer system of motor train unit train mainly is to adopt " movable vane wheel+rearmounted water conservancy diversion fan blade " (R+S level) or " preposition water conservancy diversion fan blade+movable vane wheel " (P+R level) structure, the blower fan of this structure is because its movable vane wheel has only one, cause wind-force few, it gives the radiating effect of traction transformer system of motor train unit train undesirable, and it is difficult to adapt to speed per hour traction transformer system of motor train unit train cooling heat dissipation requirement more than 300 kilometers.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art and a kind of cooling fan for traction transformer system of motor train unit train is provided, its strong wind power, the blower fan chi is too small, and its cooling heat dissipation that is particularly suitable for speed per hour traction transformer system of motor train unit train more than 300 kilometers uses.
Technological scheme of the present invention is: a kind of cooling fan for traction transformer system of motor train unit train, and it comprises Fan casing, water conservancy diversion fan blade, motor, intake grill movable vane wheel and exhaust outlet movable vane wheel; The water conservancy diversion fan blade is fixedly mounted in the Fan casing, and motor is installed in the wheel hub of water conservancy diversion fan blade, and the rotary output axis of motor stretches out from the two ends of motor body; Intake grill movable vane wheel be installed in motor rotary output axis close intake grill an end and be positioned at Fan casing; Exhaust outlet movable vane wheel be installed in motor rotary output axis close exhaust outlet the other end and be positioned at Fan casing, intake grill movable vane wheel is consistent with the direction blade that the exhaust outlet movable vane is taken turns.
The further technological scheme of the present invention is: the air inlet of described intake grill movable vane wheel is designed to " M " streamlined structure.
The present invention further technological scheme is: the blade of described intake grill movable vane wheel and exhaust outlet movable vane wheel adopts wing blades.
The further again technological scheme of the present invention is: the blade of described water conservancy diversion fan blade adopts the template blade.
The also further technological scheme of the present invention is: the diameter range of intake grill movable vane wheel and exhaust outlet movable vane wheel is between φ 565～595mm.
Casing, water conservancy diversion fan blade, intake grill movable vane wheel and exhaust outlet movable vane wheel all adopt aluminum alloy to be made.
The present invention compared with prior art has following characteristics:
1, the present invention adopts axial flow intake grill movable vane wheel and exhaust outlet movable vane wheel two-stage drive blade wheel structure, with traditional " movable vane wheel+rearmounted water conservancy diversion fan blade " (R+S level) and " preposition water conservancy diversion fan blade+movable vane wheel " (P+R level) structure integrator, form new " movable vane wheel+mid-water conservancy diversion fan blade+movable vane wheel ", i.e. " R+M+R " structure; That is to say that intake grill and exhaust outlet at blower fan have all designed movable vane wheel (totally two movable vane wheels), design has the water conservancy diversion fan blade between two movable vane wheels, blower fan adopts the separate unit motor driving, motor adopts twin shaft to stretch structure to drive two movable vane wheels simultaneously, air axially flows into from intake grill movable vane wheel, axially flows out from exhaust outlet movable vane wheel.The wind-force that the blower fan of this structure produces is big, compact structure, and blower sizes is few.
2, the air inlet of intake grill movable vane wheel is designed to " M " streamlined structure, and it can reduce length of the present invention, improves the air inlet situation, improves air inflow.
3, casing, water conservancy diversion fan blade, intake grill movable vane wheel and exhaust outlet movable vane wheel all adopt aluminum alloy to be made, and have alleviated weight of the present invention.
In order to be illustrated more clearly in the present invention, enumerate following examples, but it there is not any restriction to scope of invention.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of intake grill movable vane wheel of the present invention.
Embodiment
Embodiment 1
A kind of cooling fan for traction transformer system of motor train unit train, it comprises Fan casing 1, water conservancy diversion fan blade 2, motor 3, intake grill movable vane wheel 4 and exhaust outlet movable vane wheel 5; Water conservancy diversion fan blade 2 is fixedly mounted in the Fan casing 1, and motor 3 is stretched the motor of structure for twin shaft, and promptly the rotary output axis 31 of motor 3 stretches out from the two ends of motor body, and motor 3 is installed in the wheel hub of water conservancy diversion fan blade 2; Intake grill movable vane wheel 4 be installed in motor 3 rotary output axis 31 close intake grill 11 an end and be positioned at Fan casing 1; Exhaust outlet movable vane wheel 5 be installed in motor 3 rotary output axis 31 close exhaust outlet 12 the other end and be positioned at Fan casing 1, intake grill movable vane wheel 4 is consistent with the direction blade of exhaust outlet movable vane wheel 5, and promptly intake grill movable vane wheel 4 and exhaust outlet movable vane are taken turns 5 air supply direction and be air is blowed to exhaust outlet 12 from the intake grill 11 of casing 1 when motor 3 rotates.
Casing 1, water conservancy diversion fan blade 2, intake grill movable vane wheel 4 and exhaust outlet movable vane wheel 5 all adopt aluminum alloy to be made, with weight reduction.
The air inlet of intake grill movable vane wheel 4 is designed to " M " streamlined structure (as the shape of the dotted line among Fig. 26, its air inlet shape resembles " M " font), and this structure can reduce length of the present invention, improves the air inlet situation, improves air inflow.
The diameter range of intake grill movable vane wheel 4 and exhaust outlet movable vane wheel 5 is positioned at φ 565～595mm.
Intake grill movable vane wheel 4 and exhaust outlet movable vane wheel 5 adopt wing blades.
The blade of water conservancy diversion fan blade 2 adopts the template blade.
The present invention is not limited to above-mentioned concrete structure, so long as motor 3 is stretched structure for twin shaft and be respectively equipped with intake grill movable vane wheel 4 at its two ends and cooling fan for traction transformer system of motor train unit train that two movable vanes of exhaust outlet movable vane wheel 5 are taken turns just drops within the protection domain of invention.
Claims (10)
1. cooling fan for traction transformer system of motor train unit train, it comprises Fan casing (1), water conservancy diversion fan blade (2) and motor (3), it is characterized in that: it comprises that also intake grill movable vane wheel (4) and exhaust outlet movable vane take turns (5); Water conservancy diversion fan blade (2) is fixedly mounted in the Fan casing (1), and motor (3) is installed in the wheel hub of water conservancy diversion fan blade (2), and the rotary output axis (31) of motor (3) stretches out from the two ends of motor body; Intake grill movable vane wheel (4) be installed in motor (3) rotary output axis (31) close intake grill (11) an end and be positioned at Fan casing (1); Exhaust outlet movable vane wheel (5) be installed in motor (3) rotary output axis (31) close exhaust outlet (12) the other end and be positioned at Fan casing (1), intake grill movable vane wheel (4) is consistent with the direction blade that the exhaust outlet movable vane is taken turns (5).
2. cooling fan for traction transformer system of motor train unit train according to claim 1 is characterized in that: the air inlet of described intake grill movable vane wheel (4) is designed to " M " streamlined structure.
3. cooling fan for traction transformer system of motor train unit train according to claim 1 and 2 is characterized in that: the blade of described intake grill movable vane wheel (4) and exhaust outlet movable vane wheel (5) adopts wing blades.
4. cooling fan for traction transformer system of motor train unit train according to claim 1 and 2 is characterized in that: the blade of described water conservancy diversion fan blade (2) adopts the template blade.
5. cooling fan for traction transformer system of motor train unit train according to claim 3 is characterized in that: the blade of described water conservancy diversion fan blade (2) adopts the template blade.
6. cooling fan for traction transformer system of motor train unit train according to claim 1 and 2 is characterized in that: the diameter range of described intake grill movable vane wheel (4) and exhaust outlet movable vane wheel (5) is between φ 565～595mm.
7. cooling fan for traction transformer system of motor train unit train according to claim 3 is characterized in that: the diameter range of described intake grill movable vane wheel (4) and exhaust outlet movable vane wheel (5) is between φ 565～595mm.
8. cooling fan for traction transformer system of motor train unit train according to claim 4 is characterized in that: the diameter range of described intake grill movable vane wheel (4) and exhaust outlet movable vane wheel (5) is between φ 565～595mm.
9. cooling fan for traction transformer system of motor train unit train according to claim 5 is characterized in that: the diameter range of described intake grill movable vane wheel (4) and exhaust outlet movable vane wheel (5) is between φ 565～595mm.
10. cooling fan for traction transformer system of motor train unit train according to claim 1 and 2 is characterized in that: described casing (1), water conservancy diversion fan blade (2), intake grill movable vane wheel (4) and exhaust outlet movable vane wheel (5) all adopt aluminum alloy to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910043313A CN101699075A (en) | 2009-05-05 | 2009-05-05 | Cooling fan for traction transformer system of motor train unit train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910043313A CN101699075A (en) | 2009-05-05 | 2009-05-05 | Cooling fan for traction transformer system of motor train unit train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101699075A true CN101699075A (en) | 2010-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910043313A Pending CN101699075A (en) | 2009-05-05 | 2009-05-05 | Cooling fan for traction transformer system of motor train unit train |
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| CN (1) | CN101699075A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913466A (en) * | 2011-08-01 | 2013-02-06 | 日本电产株式会社 | Cooling fan |
| CN103016369A (en) * | 2012-12-06 | 2013-04-03 | 大连理工大学 | Novel axial-flow fan with small-aspect-ratio blades having obliquely-cut and twisted blade roots |
| CN103161742A (en) * | 2011-12-09 | 2013-06-19 | 台达电子工业股份有限公司 | Circulating fan and fan blade group thereof |
| CN103629158A (en) * | 2012-08-23 | 2014-03-12 | 哈米尔顿森德斯特兰德公司 | Inlet shroud assembly |
| CN105244142A (en) * | 2015-08-10 | 2016-01-13 | 无锡金鑫集团股份有限公司 | Light-weight type traction transformer cooling system for motor train unit |
-
2009
- 2009-05-05 CN CN200910043313A patent/CN101699075A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913466A (en) * | 2011-08-01 | 2013-02-06 | 日本电产株式会社 | Cooling fan |
| CN102913466B (en) * | 2011-08-01 | 2015-04-08 | 日本电产株式会社 | Cooling fan |
| CN103161742A (en) * | 2011-12-09 | 2013-06-19 | 台达电子工业股份有限公司 | Circulating fan and fan blade group thereof |
| CN103161742B (en) * | 2011-12-09 | 2015-09-30 | 台达电子工业股份有限公司 | Circulation fan and flabellum group thereof |
| CN103629158A (en) * | 2012-08-23 | 2014-03-12 | 哈米尔顿森德斯特兰德公司 | Inlet shroud assembly |
| US9556885B2 (en) | 2012-08-23 | 2017-01-31 | Hamilton Sundstrand Corporation | Inlet shroud assembly |
| CN103016369A (en) * | 2012-12-06 | 2013-04-03 | 大连理工大学 | Novel axial-flow fan with small-aspect-ratio blades having obliquely-cut and twisted blade roots |
| CN103016369B (en) * | 2012-12-06 | 2015-06-17 | 大连理工大学 | Novel axial-flow fan with small-aspect-ratio blades having obliquely-cut and twisted blade roots |
| CN105244142A (en) * | 2015-08-10 | 2016-01-13 | 无锡金鑫集团股份有限公司 | Light-weight type traction transformer cooling system for motor train unit |
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Open date: 20100428 |