CN205478384U - Axial fan and have its aeroengine - Google Patents
Axial fan and have its aeroengine Download PDFInfo
- Publication number
- CN205478384U CN205478384U CN201620018902.2U CN201620018902U CN205478384U CN 205478384 U CN205478384 U CN 205478384U CN 201620018902 U CN201620018902 U CN 201620018902U CN 205478384 U CN205478384 U CN 205478384U
- Authority
- CN
- China
- Prior art keywords
- cooling jacket
- driving motor
- axial flow
- flow blower
- housing
- 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.)
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- 238000001816 cooling Methods 0.000 claims abstract description 42
- 239000002826 coolant Substances 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract 2
- 230000002026 carminative effect Effects 0.000 abstract 1
- 230000005465 channeling Effects 0.000 abstract 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract 1
- 241001075561 Fioria Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a fan wheel, drive fan wheel in axial fan and have its aeroengine, this axial fan include the casing and locate the casing rotate in order to carry out axial water conservancy diversion and carminative driving motor, being equipped with cooling jacket in the casing, forming the passageway that supplies gas outgoing between casing and the cooling jacket, driving motor and fan wheel's the strong point all wraps up the coolant liquid cooling in cooling jacket and in leading -in cooling jacket. Through set up cooling jacket in the casing, all wrap up in the cold water water jacket driving motor and fan wheel's the strong point and the coolant liquid cooling through channeling into cooling jacket, the heat of having avoided the high temperature air current in the axial fan casing directly conducts to driving motor, insulating against heat between driving motor and the fan wheel has been realized, thereby greatly reduced for axial fan driving motor's temperature resistant demand, thereby axial fan's cost has been saved, satisfy the axial fan high temperature resistance demand, and this axial fan simple structure, it is convenient to maintain.
Description
Technical field
This utility model relates to engine exhaust emission control field, especially, relates to a kind of axial flow blower.Additionally, this practicality
Novel further relate to a kind of aero-engine including above-mentioned axial flow blower.
Background technology
Owing to the delivery temperature of aero-engine, particularly turboshaft engine or other gas turbine is the highest, and pressure at expulsion is not
Height, simultaneously as ride aerofluxus can not directly be connected with engine tail nozzle, must repeatedly turn round running into ride design
In the case of, in fact it could happen that motor exhaust cannot the phenomenon outside discharge chamber occur, therefore, it is necessary to use large-scale axial flow blower
Carry out the discharge of tail gas.Due to the restriction of test bay layout, it is generally required to use axial flow blower to be exhausted.General high temperature axial flow
Blower fan is required to motor temperature tolerance and improves, and the temperature tolerance of motor improves very limited at present, and cost is the highest；For aviation
Electromotor or combustion turbine exhaustion temperature reach more than 400 DEG C, and the environment of even up to 800 DEG C would be impossible to work.
Owing to the motor of axial flow blower is at blower interior, therefore the temperature of blower fan work rear motor is the highest, substantially with the temperature of medium
Degree is similar, but motor all can not be high temperature resistant at present, and the temperature tolerance causing axial flow blower is the highest, it is difficult to meet high-temperature exhaust air requirement.
Utility model content
This utility model provides a kind of axial flow blower and has its aero-engine, to solve existing axial flow blower due to resistance to
The limited technical problem being difficult to meet engine high-temperature exhaust emissions demand of warm nature.
The technical solution adopted in the utility model is as follows:
According to an aspect of the present utility model, it is provided that a kind of axial flow blower, the draught fan impeller including housing and being located in housing,
Draught fan impeller is driven to rotate with the driving motor carrying out axial diversion and aerofluxus；
It is provided with cooling jacket in housing, forms the passage that supplied gas is discharged between housing and cooling jacket, drive motor and blower fan leaf
Coolant cooling in the strong point of wheel is all wrapped in cooling jacket and in importing cooling jacket.
Further, drive motor through heat insulation connecting shaft connecting fan impeller in cooling jacket.
Further, being provided with for installing the installation cavity driving motor in cooling jacket, installation cavity is communicated with for driving motor
The draft fan that the heat ventilation that self-heating produces is drained.
Further, installation cavity is communicated to hull outside through ventilation shaft, and draft fan is positioned at the ventilation extending to hull outside
On pipeline.
Further, it is tightly connected between ventilation shaft and cooling jacket and housing.
Further, ventilation shaft uses heat-barrier material to make.
Further, ventilation shaft is drawn along the radial direction of housing.
According to another aspect of the present utility model, additionally provide a kind of aero-engine, connect at the nozzle of this aero-engine
Above-mentioned axial flow blower.
This utility model has the advantages that
This utility model axial flow blower and have its aero-engine, by arranging cooling jacket in housing, will drive motor
And the strong point of draught fan impeller is all wrapped in cooling jacket and through importing the coolant cooling of cooling jacket, it is to avoid axial flow blower
The heat of the high temperature gas flow in housing is directly conducted to drive motor, it is achieved that drive between motor and draught fan impeller is heat insulation, from
And greatly reduce axial flow blower and drive the heatproof demand of motor, thus save the cost of axial flow blower, meet axial flow blower
Resistant to elevated temperatures demand, and this utility model axial flow blower simple in construction, it is convenient to safeguard.
In addition to objects, features and advantages described above, this utility model also has other objects, features and advantages.
Below with reference to accompanying drawings, this utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing and being further appreciated by of the present utility model, of the present utility model schematically
Embodiment and explanation thereof are used for explaining this utility model, are not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of this utility model preferred embodiment axial flow blower.
Description of reference numerals:
1, draught fan impeller；2, housing；3, heat insulation connecting shaft；4, cooling jacket；5, motor is driven；6, draft fan.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
With reference to Fig. 1, preferred embodiment of the present utility model provides a kind of axial flow blower, and it includes housing 2 and is located in housing 2
Draught fan impeller 1, drive draught fan impeller 1 rotate to carry out the driving motor 5 of axial diversion and aerofluxus, be provided with cooling in housing 2
Water jacket 4, forms the passage that supplied gas is discharged, drives motor 5 and the strong point of draught fan impeller 1 between housing 2 and cooling jacket 4
Coolant cooling in being all wrapped in cooling jacket 4 and in importing cooling jacket 4.The present embodiment axial flow blower is by housing 2
Cooling jacket 4 is inside set, in the strong point driving motor 5 and draught fan impeller 1 is all wrapped in cooling jacket 4 and through importing cooling
The coolant cooling of water jacket 4, it is to avoid the heat of the high temperature gas flow in the housing 2 of axial flow blower is directly conducted to drive motor 5,
Achieve drive between motor 5 and draught fan impeller 1 heat insulation, thus greatly reduce the heatproof of axial flow blower driving motor 5
Demand, thus save the cost of axial flow blower, meet the resistant to elevated temperatures demand of axial flow blower, and this utility model axial flow blower knot
Structure is simple, and it is convenient to safeguard.
Preferably, with reference to Fig. 1, in the present embodiment, drive motor 5 through heat insulation connecting shaft 3 connecting fan leaf in cooling jacket 4
Wheel 1.It is provided with heat insulation connecting shaft 3 owing to driving between motor 5 and draught fan impeller 1, further enhancing draught fan impeller 1 and drive
Effect of heat insulation between galvanic electricity machine 5, it is to avoid the heat energy on draught fan impeller 1 through connecting shaft conduction to driving on motor 5.
Preferably, being provided with for installing the installation cavity driving motor 5 in cooling jacket 4, installation cavity is communicated with for driving electricity
The draft fan 6 that the heat ventilation that machine 5 self-heating produces is drained.So, drive motor 5 self produce partial heat also and
Time drain through draft fan 6, thus ensure that drive motor 5 installation cavity be in relatively low working temperature environment.The present embodiment
In, it is outside that installation cavity is communicated to housing 2 through ventilation shaft, and draft fan 6 is positioned at the ventilation shaft extended to outside housing 2
On.Wherein, it is tightly connected between ventilation shaft and cooling jacket 4 and housing 2.Preferably, ventilation shaft uses heat-barrier material system
Become, thus the heat being prevented effectively from housing 2 affects the air cooling effect of draft fan 6.Preferably, ventilation shaft is along housing 2
Radial direction draw, consequently facilitating install, and avoid the interference to aero-engine jet pipe.
According to another aspect of the present utility model, additionally provide a kind of aero-engine, connect at the nozzle of this aero-engine
The axial flow blower of above-described embodiment.Aero-engine is preferably turboshaft engine.
During the work of the present embodiment axial flow blower, high temperature air, by taking away through housing 2 runner after draught fan impeller 1 supercharging, cools down water
High-temperature gas is isolated by set 4 with driving motor 5, and draught fan impeller 1 is connected by heat insulation with the heat transfer of the connecting shaft driving motor 5
Axle 3 is heat insulation, makes the heat energy on draught fan impeller 1 will not be reached on driving motor 5 by connecting shaft, drives sending out of motor 5 self
Heat and other very fractions are reached and drive the heat in motor 5 installation cavity to be taken away by draft fan 6, it is ensured that drive motor 5
Installation cavity is in relatively low working temperature environment.This structure greatly reduces axial flow blower and drives the heatproof demand of motor 5, thus
Save the cost of axial flow blower, meet the resistant to elevated temperatures demand of axial flow blower, and this utility model axial flow blower simple in construction, dimension
Protect facility.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
For technical staff, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (8)
1. an axial flow blower, the draught fan impeller (1) including housing (2) and be located in described housing (2), described draught fan impeller (1) is driven to rotate with the driving motor (5) carrying out axial diversion and aerofluxus, it is characterized in that
Cooling jacket (4) it is provided with in described housing (2), the passage that supplied gas is discharged is formed, the coolant cooling in the strong point of described driving motor (5) and described draught fan impeller (1) is all wrapped in described cooling jacket (4) and in importing described cooling jacket (4) between described housing (2) and described cooling jacket (4).
Axial flow blower the most according to claim 1, it is characterised in that
Described driving motor (5) connects described draught fan impeller (1) through heat insulation connecting shaft (3) in described cooling jacket (4).
3. according to the axial flow blower described in claims 1 or 2, it is characterised in that
Being provided with the installation cavity for installing described driving motor (5) in described cooling jacket (4), described installation cavity is communicated with the draft fan (6) that the heat ventilation for being produced by described driving motor (5) self-heating is drained.
Axial flow blower the most according to claim 3, it is characterised in that
It is outside that described installation cavity is communicated to described housing (2) through ventilation shaft, and described draft fan (6) is positioned at and extends on the ventilation shaft that described housing (2) is outside.
Axial flow blower the most according to claim 4, it is characterised in that
It is tightly connected between described ventilation shaft and described cooling jacket (4) and described housing (2).
Axial flow blower the most according to claim 5, it is characterised in that
Described ventilation shaft uses heat-barrier material to make.
Axial flow blower the most according to claim 6, it is characterised in that
Described ventilation shaft is drawn along the radial direction of described housing (2).
8. an aero-engine, it is characterised in that connection axial flow blower as described in claim 1 to 7 is arbitrary at the nozzle of described aero-engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018902.2U CN205478384U (en) | 2016-01-08 | 2016-01-08 | Axial fan and have its aeroengine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018902.2U CN205478384U (en) | 2016-01-08 | 2016-01-08 | Axial fan and have its aeroengine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478384U true CN205478384U (en) | 2016-08-17 |
Family
ID=56664396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620018902.2U Active CN205478384U (en) | 2016-01-08 | 2016-01-08 | Axial fan and have its aeroengine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478384U (en) |
-
2016
- 2016-01-08 CN CN201620018902.2U patent/CN205478384U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Country or region after: Zhong Guo Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE Country or region before: Zhong Guo |