CN205260374U - Cooling unit of electric rail car group organizes with compounding in series formula axial fan with parallelly connected - Google Patents
Cooling unit of electric rail car group organizes with compounding in series formula axial fan with parallelly connected Download PDFInfo
- Publication number
- CN205260374U CN205260374U CN201521031729.1U CN201521031729U CN205260374U CN 205260374 U CN205260374 U CN 205260374U CN 201521031729 U CN201521031729 U CN 201521031729U CN 205260374 U CN205260374 U CN 205260374U
- Authority
- CN
- China
- Prior art keywords
- impeller
- cooling unit
- fan
- air
- rail car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a cooling unit of electric rail car group organizes with compounding in series formula axial fan with parallelly connected, organize in the internal serial -type fan more than two of fan box with setting up including the fan box body, including air inlet baffle and air -out baffle on the fan box body, serial -type fan group includes the first impeller, second impeller, the dryer of the setting of establishing ties and is used for the driven motor, the first impeller, second impeller and motor all set up in the dryer, the both ends of serial -type fan group are fixed respectively on air inlet baffle and air -out baffle, the first impeller corresponds with the air intake, and the second impeller corresponds with the air outlet. The utility model discloses a mode of serial -type fan group and fan box body coupling has played the effect that increases rigidity, has strengthened cooling unit's structural strength, has avoided external collision to the damage of dryer betterly, prevent that the dryer from damaging and influence fan normal operating, and heat dispersion is high, and the noise is low, compact structure, the installation with dismantle simple, the maintenance convenience.
Description
Technical field
The utility model relates to a kind of axial flow blower group, is specifically related to a kind of electric rail car group cooling unit and uses alsoConnection and series hybrid formula axial flow blower group.
Background technology
Electric rail car group cooling unit is the critical component of motor train unit traction system, is arranged under EMUs vehicle frameEquipment compartment in, its installing space is narrower and small. Along with social progress, the raising of people's living standard, movingCar group speed also improves constantly, thereby to parameter requests such as cooling unit fan delivery, blast, noises also notDisconnected raising, therefore adopts rational means to meet wanting of performance, noise and the space of EMUs to cooling unitChanges persuing obtains particularly important. At present, because cooling blower installing space is limited, so cannot be with two or moreLarge axial flow fan parallel connection realizes, and the impeller size of large axial flow fan is larger, easily produces casting flaw,The phenomenon that has crackle even to rupture.
Utility model content
The utility model is for the proposition of above problem, and a kind of electric rail car group of research and design cooling unit is usedParallel connection and series hybrid formula axial flow blower group. The technological means that the utility model adopts is as follows:
A kind of electric rail car group is in parallel and series hybrid formula axial flow blower group for cooling unit, comprises fan boxWith the plural tandem blower fan group being arranged in fan box, described fan box comprises air intake baffle plateAnd air outlet guard board, described air intake baffle plate is provided with air inlet, and described air outlet guard board is provided with air outlet, described inTandem blower fan group comprises the first impeller, the second impeller, air duct that series connection arranges and for driving the first impellerAnd second motor between impeller, described the first impeller, the second impeller and motor are all arranged in air duct, instituteThe two ends of stating tandem blower fan group are separately fixed on air intake baffle plate and air outlet guard board, described the first impeller with enterAir port correspondence, described the second impeller is corresponding with air outlet.
Further, described air duct comprise urceolus, inner core and be fixed on urceolus and inner core between stator, instituteThe surrounding that states air inlet and air outlet is equipped with installing hole, and the two ends of described urceolus are respectively by bolt or rivetBe fixed on described air intake baffle plate and air outlet guard board with described installing hole, described inner core end is provided with installationFlange, described motor is arranged at the inside of inner core and is fixed on mounting flange, and described stator is arc bent plate.
Further, the inlet end of described urceolus is toroidal structure, and the outside of described the first impeller is provided withThe arch kuppe of the protrusion coordinating with wheel hub.
Further, in described air duct, be provided with acoustic damping materials, for example porous sound-absorbing material.
Further, described motor is motor for double-ended drive, and described the first impeller and the second impeller are individually fixed inOn two output shafts of motor, the external diameter of the large and inner core of the internal diameter of the wheel hub of the first impeller and the second impeller.
Further, described fan box is provided with mount pad outward, and described mount pad is provided with damper.
Further, described the first impeller and the second impeller are casting impeller, and its blade is wing blades.
Compared with the prior art, in parallel and string for a kind of electric rail car group cooling unit described in the utility modelJoin the structure that hybrid axial flow blower group adopts in parallel and series hybrid formula, can be under the condition of limited spaceMeet EMUs cooling unit heat dispersion high, the requirement of the low and good reliability of noise, compact conformation, designRationally, installation and removal are simple, easy to maintenance; The mode that adopts tandem blower fan group to be connected with fan boxNot only play the effect that increases rigidity, strengthened the structural strength of cooling unit, also played protection blower fanEffect, avoided preferably the damage of extraneous collision to air duct 31, effectively prevent due to air duct 31Damage and affect the fault that blower fan normally moves. The utility model can be in fields such as heat exchange for the foregoing reasonsExtensive use.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 a and Fig. 2 b are the structural representations of the fan box described in the utility model embodiment.
Fig. 3 a and Fig. 3 b are the structural representations of the tandem blower fan group described in the utility model embodiment.
Fig. 4 is the structural representation of the air duct described in the utility model embodiment.
Detailed description of the invention
As shown in Figures 1 to 4, in parallel and series hybrid formula axial flow wind for a kind of electric rail car group cooling unitUnit, comprises fan box 11 and is arranged at the plural series connection being arranged in parallel in fan box 11Formula blower fan group 12, described fan box 11 comprises air intake baffle plate 15 and air outlet guard board 16, described air intake baffle plate15 are provided with air inlet 13, and described air outlet guard board 16 is provided with air outlet 14, described tandem blower fan group 12Comprising the first impeller 32, the second impeller 34, air duct 31 that series connection arranges and for driving the first impeller 32 andThe motor 33 of the second impeller 34, motor 33 is arranged between the first impeller 32 and the second impeller 34, described inThe first impeller 32, the second impeller 34 and motor 33 are all arranged in air duct 31, described tandem blower fan group12 two ends are separately fixed on air intake baffle plate 15 and air outlet guard board 16, described the first impeller 32 and air inlet13 correspondences, described the second impeller 34 is corresponding with air outlet 14. The first impeller 32 and the second impeller 34 canFor identical axial wheel, also can adopt different axial wheels, can be by different axial flow blowers be closedThereby reason coupling realizes the object of performance and noise optimum.
Described air duct 31 comprise urceolus 41, inner core 43 and be fixed on urceolus 41 and inner core 43 between stator42, the two ends of described urceolus 41 are separately fixed on air intake baffle plate 15 and air outlet guard board 16, urceolus 41Inlet end is fixed on air inlet 13 places, and the outlet side of urceolus 41 is fixed on air outlet 14 places, air inlet 13Be equipped with installing hole around with air outlet 14, between urceolus 41 and fan box 11 by bolt or rivet andInstalling hole is fixed, and has increased the rigidity of whole blower fan group, has the effect that reduces noise simultaneously. DescribedInner core 43 ends are provided with mounting flange 44, and described motor 33 is arranged at the inside of inner core 43 and is fixed on installationOn flange 44, described stator 42 is arc bent plate, the axle center of arc bent plate and air duct 31 axis parallels, noOnly play and supported and the effect being connected, and played the effect of rectification, improved the total pressure efficiency of blower fan.Circular air outlet place on circular air inlet and air outlet guard board on the air intake baffle plate of fan box 11 has respectively allThe installing hole of even distribution is for fixing tandem blower fan group 12, and institute's tandem blower fan group 12 is by bolt or riveted jointForm be fixed in fan box 11, fan box 11 structures have not only played the effect that increases rigidity,Strengthen the structural strength of cooling unit, also played the effect of protection blower fan, avoided preferably the external world to touchHit the damage to air duct 31, effectively prevent from affecting due to the damage of air duct 31 event of the normal operation of blower fanBarrier.
The inlet end of described urceolus 41 is toroidal structure, and the outside of described the first impeller 32 is provided with and takes turnsThe arch kuppe 35 of the protrusion that hub coordinates. Air-flow first enters the first impeller 32 after kuppe 35 current stabilizations,Obtain kinetic energy, and by entering the second impeller 34 after stator 42 rectifications, whole blower fan group is by reasonably designThe pressure, flow, efficiency and the noise that ensure blower fan have reached optimum state.
In described air duct 31, be provided with acoustic damping materials, further to realize the object that reduces noise.
Described motor 22 is motor for double-ended drive, and described the first impeller 32 and the second impeller 34 are individually fixed in electricityOn two output shafts of machine 33, the large and inner core 43 of the internal diameter of the wheel hub of the first impeller 32 and the second impeller 34External diameter. The dead in line of the axis of motor 33 and impeller and air duct 31.
Described fan box 11 is outer is provided with mount pad 24, and described mount pad 24 is provided with damper, is used for fallingLow fan box 11 is passed to outside vibration and the outside vibration of passing to fan box 11, has avoided preferablyThe danger of resonance. Existing damper can, concrete model is selected according to the difference of blower fan.
Described the first impeller 32 and the second impeller 34 are casting impeller, and its blade is wing blades.
The above, be only preferably detailed description of the invention of the utility model, but protection model of the present utility modelEnclose and be not limited to this, any be familiar with those skilled in the art the utility model disclose technology modelIn enclosing, be equal to replacement or changed according to the technical solution of the utility model and inventive concept thereof, all should be containedCover within protection domain of the present utility model.
Claims (7)
1. in parallel and a series hybrid formula axial flow blower group for electric rail car group cooling unit, is characterized in that:Comprise fan box and be arranged at the plural tandem blower fan group in fan box, described fan boxComprise air intake baffle plate and air outlet guard board, described air intake baffle plate is provided with air inlet, and described air outlet guard board is provided withAir outlet, described tandem blower fan group comprise the first impeller, the second impeller, air duct that series connection arranges and forDrive the motor between the first impeller and the second impeller, described the first impeller, the second impeller and motor all arrangeIn air duct, the two ends of described tandem blower fan group are separately fixed on air intake baffle plate and air outlet guard board, described inThe first impeller is corresponding with air inlet, and described the second impeller is corresponding with air outlet.
2. in parallel and series hybrid formula axial flow wind for electric rail car group cooling unit according to claim 1Unit, is characterized in that: described air duct comprise urceolus, inner core and be fixed on urceolus and inner core between stator,The surrounding of described air inlet and air outlet is equipped with installing hole, and the two ends of described urceolus are respectively by bolt or rivetingNail is fixed on described air intake baffle plate and air outlet guard board with described installing hole, and described inner core end is provided with peaceDress flange, described motor is arranged at the inside of inner core and is fixed on mounting flange, and described stator is curved bendPlate.
3. in parallel and series hybrid formula axial flow wind for electric rail car group cooling unit according to claim 2Unit, is characterized in that: the inlet end of described urceolus is toroidal structure, the outside of described the first impellerBe provided with the arch kuppe of the protrusion coordinating with wheel hub.
4. in parallel and series hybrid formula axial flow wind for electric rail car group cooling unit according to claim 2Unit, is characterized in that: in described air duct, be provided with acoustic damping materials.
5. in parallel and series hybrid formula axial flow wind for electric rail car group cooling unit according to claim 2Unit, is characterized in that: described motor is motor for double-ended drive, and described the first impeller and the second impeller are solid respectivelyOn two output shafts of motor, the external diameter of the large and inner core of the internal diameter of the wheel hub of the first impeller and the second impeller.
6. in parallel and series hybrid formula axial flow wind for electric rail car group cooling unit according to claim 1Unit, is characterized in that: described fan box is provided with mount pad outward, and described mount pad is provided with damper.
7. according in parallel and series connection for the electric rail car group cooling unit described in any one in claim 1-6Hybrid axial flow blower group, is characterized in that: described the first impeller and the second impeller are casting impeller, itsBlade is wing blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031729.1U CN205260374U (en) | 2015-12-10 | 2015-12-10 | Cooling unit of electric rail car group organizes with compounding in series formula axial fan with parallelly connected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521031729.1U CN205260374U (en) | 2015-12-10 | 2015-12-10 | Cooling unit of electric rail car group organizes with compounding in series formula axial fan with parallelly connected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205260374U true CN205260374U (en) | 2016-05-25 |
Family
ID=56001904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521031729.1U Active CN205260374U (en) | 2015-12-10 | 2015-12-10 | Cooling unit of electric rail car group organizes with compounding in series formula axial fan with parallelly connected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205260374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370597A (en) * | 2015-12-10 | 2016-03-02 | 中车大连机车研究所有限公司 | Parallel and series hybrid type axial flow fan set for cooling unit of electric multiple unit |
-
2015
- 2015-12-10 CN CN201521031729.1U patent/CN205260374U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370597A (en) * | 2015-12-10 | 2016-03-02 | 中车大连机车研究所有限公司 | Parallel and series hybrid type axial flow fan set for cooling unit of electric multiple unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2718464C (en) | Cool exchange system for an indoor unit of an air conditioner | |
| CN205578321U (en) | Draught fan | |
| CN203721428U (en) | Traction transformer cooling system for intercity CRH (China Railway High-speed) train | |
| CN101975188B (en) | Centrifugal fan impeller for automobile air conditioning | |
| CN205260374U (en) | Cooling unit of electric rail car group organizes with compounding in series formula axial fan with parallelly connected | |
| CN105370597A (en) | Parallel and series hybrid type axial flow fan set for cooling unit of electric multiple unit | |
| CN104589984B (en) | A kind of power assembly of electric automobile arrangement form | |
| CN202468477U (en) | Axial flow fan (in machine room) for electric locomotives | |
| CN202176545U (en) | Electric automobile air conditioning centrifugal fan | |
| CN207049036U (en) | A kind of motor-car tractive transformer anti-blown sand cooling fan | |
| CN206753945U (en) | Radial type electric power wheel self-discharging vehicle braking resistor blower fan | |
| CN202203139U (en) | Horizontal double-side air inlet ventilator structure | |
| CN205064324U (en) | Cooling of EMUs traction motor is with two air -out formula centrifugal fan | |
| CN204578293U (en) | Turbine cooling system | |
| CN203453094U (en) | Meridionally accelerated axial-flow cooling fan for electric locomotive brake resistor | |
| CN208024586U (en) | A kind of Light Rail Rapid Transit vehicle traction convertor cooling fan | |
| CN209638052U (en) | A kind of Air Exhaust Heat Dissipating Double-fuselage | |
| CN105515282A (en) | Forced ventilation air-air cooler for variable-frequency motor | |
| CN103016369A (en) | Novel axial-flow fan with small-aspect-ratio blades having obliquely-cut and twisted blade roots | |
| CN209195779U (en) | A kind of blower of motor-car tractive transformer cooling system | |
| CN201100245Y (en) | A radial acentric ventilator for engine traction motor | |
| CN203867944U (en) | Nonmetal impeller shaft ventilation fan for locomotive cooling | |
| CN201916253U (en) | Ventilation cabinet fan for electric locomotive | |
| CN206086402U (en) | Device of making an uproar falls in locomotive brake resistance | |
| CN201851397U (en) | Centrifugal fan impeller for car air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |