CN204559256U - A kind of novel gas flow parts - Google Patents
A kind of novel gas flow parts Download PDFInfo
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- CN204559256U CN204559256U CN201520127957.2U CN201520127957U CN204559256U CN 204559256 U CN204559256 U CN 204559256U CN 201520127957 U CN201520127957 U CN 201520127957U CN 204559256 U CN204559256 U CN 204559256U
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Abstract
The utility model relates to a kind of novel gas flow parts, and be arranged between stator core segment in the mode of full circle by this novel gas flow parts and form stator ventilation ducts, the fluid flowing through stator ventilation ducts can cool stator coil and stator core.Broken line overcurrent channel-section steel makes ventilation ducts form multiple compression in teeth portion and expand the overcurrent region mutually replaced, utilize the partial fluid whirlpool produced in these overcurrent regions to strengthen the cooling effect of stator coil and stator core, fluid can be made to take away loss heat more, reduce the temperature of each heating position.In addition, this broken line overcurrent channel-section steel also can cause ventilation ducts windage to become large, total blast volume is declined, reduces draft loss, the efficiency of lifting motor.The lifting of cooling effect can meet the cooling requirement of motor better, and the lifting of efficiency can bring larger economic benefit for user.
Description
Technical field
The utility model relates to a kind of novel gas flow parts.
Background technology
For large-size machine, the heat load of motor itself is very high, for axial-flow hydrogenerator, pumped-storage power generation motor and some New-type electric machines, the heat load of motor itself is not very high, but the less area of dissipation at each position that causes of the radial dimension due to unit is less, larger heat load or less area of dissipation all can cause the temperature of each heating position of motor to raise, direct useful life and the reliability of operation affecting motor, therefore to the motor feels hot and the research of cooling problem becomes more and more important, the current research to electromotor cooling system has become the core link of design of electrical motor.
In the process of electromotor cooling system design, heat load is unmodifiable parameter, motor size also cannot be amplified substantially, under this design condition, can only rely on to the structure innovation in overcurrent region to increase the coefficient of heat transfer of heating position, strengthen cooling fluid and the heat exchange of heating position, make cooling fluid take away enough losses hot, ensure that the temperature of heating position is in safe range, guarantees the stable operation of motor long-term safety.
Summary of the invention
The purpose of this utility model is for motor provides a kind of gas flow parts strengthened stator coil and stator core cooling effect, reduce heating position temperature, improve electric efficiency.The purpose of this utility model is achieved through the following technical solutions: a kind of novel gas flow parts, it is characterized in that: be made up of fanning strip, several broken line overcurrent channel-section steels, several long straight line overcurrent channel-section steels and several short lines overcurrent channel-section steels, broken line overcurrent channel-section steel, long straight line overcurrent channel-section steel and short lines overcurrent channel-section steel are all be fixed on fanning strip in the mode of laser spot welding; Be arranged between stator core segment in the mode of full circle and form the flow channels of stator ventilation ducts as fluid, the fluid flowing through this passage can cool stator coil and stator core.
Technique effect
As shown in Figure 4, conventional gas flow parts fix in each teeth portion of fanning strip and the region, yoke portion of correspondence the straight line overcurrent channel-section steel that two run through tooth yoke, and a straight line overcurrent channel-section steel is fixed in the region, yoke portion between fanning strip two teeth portion.As shown in Figure 1, the utility model is each teeth portion paired broken line overcurrent channel-section steel being fixed on fanning strip, all fixes straight line overcurrent channel-section steel in all regions, fanning strip yoke portion.New gas flow path features structure has three advantages compared with conventional gas flow path features structure: one is that the total length of teeth portion overcurrent channel-section steel increases, and makes teeth portion supporting role stronger; Two is that broken line overcurrent channel-section steel makes ventilation ducts define the overcurrent region between multiple compression and expanded phase in teeth portion, fluid can form local turbulence in these regions, these local turbulence can play the effect strengthening stator coil and stator core cooling, reduce the temperature of heating position; Three is that other structure of unit does not change, and the pressure head produced when unit rotates is constant, and the overcurrent region between multiple compression and expanded phase can make the localized loss of fluid become large, namely windage becomes large, cause fluid total blast volume to decline to some extent, can draft loss be reduced, the efficiency of lifting motor.
Draw through summing up a large amount of computational analysis, compared with adopting the unit of new gas flow path features and adopting the unit of conventional gas flow path features, total blast volume declines about 3%, draft loss declines about 1.6%, generator efficiency improves about 0.12%, stator coil temperature rise decline about 2.2K, stator core teeth portion temperature rise decline about 3.5K, yoke portion temperature rise decline about 1.6K.The obvious lifting of cooling effect can meet the cooling requirement of motor better, and the lifting of efficiency can bring larger economic benefit for user.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A partial enlarged drawing;
Fig. 3 is C-C partial enlarged drawing;
Fig. 4 is the structural representation of conventional gas flow path features.
Embodiment
As shown in Figure 1, 2, 3, a kind of novel gas flow parts, be made up of fanning strip 1, several broken line overcurrent channel-section steels 2, several long straight line overcurrent channel-section steels 3 and several short lines overcurrent channel-section steels 4, broken line overcurrent channel-section steel 2, long straight line overcurrent channel-section steel 3 and short lines overcurrent channel-section steel 4 are all be fixed on fanning strip 1 in the mode of laser spot welding; Be arranged between stator core segment in the mode of full circle and form the flow channels of stator ventilation ducts as fluid, the fluid flowing through this passage can cool stator coil and stator core.
Fanning strip 1 is processed by the thick silicon steel sheet of 0.65mm and is obtained, and an integer fanning strip 1 layout that is connected can form an annulus.
Several equally distributed grooves 5 are processed for placing stator coil in the inner circle of fanning strip 1.
Fanning strip 1 yoke portion has several equally distributed circular holes 6, has stretching screw string to cross this circular hole 6 and all stator iron-core laminations and gas flow path features are fixed as stator core entirety conjunction.
At several dovetail slots 7 of Excircle machining of fanning strip 1 for coordinating with the positioning bar on out frame, gas flow parts are fastened on out frame.
Broken line overcurrent channel-section steel 2 is processed by forged steel and is obtained, and its plane projection is broken line, and cross section, in " work " font, is highly 6mm, plays the effect of support stator core tooth part.
The material of long straight line overcurrent channel-section steel 3 and short lines overcurrent channel-section steel 4 is special section, and its plane projection is straight line, and cross section, in " work " font, is highly 6mm, plays the effect of support stator rear of core.
Claims (7)
1. novel gas flow parts, it is characterized in that: be made up of fanning strip (1), several broken line overcurrent channel-section steels (2), several long straight line overcurrent channel-section steels (3) and several short lines overcurrent channel-section steels (4), broken line overcurrent channel-section steel (2), long straight line overcurrent channel-section steel (3) and short lines overcurrent channel-section steel (4) are all be fixed on fanning strip (1) in the mode of laser spot welding; Be arranged between stator core segment in the mode of full circle and form the flow channels of stator ventilation ducts as fluid, flow through fluid cooling stator coil and the stator core of this passage.
2. a kind of novel gas flow parts according to claim 1, is characterized in that: described fanning strip (1) is processed by the silicon steel sheet that 0.65mm is thick and obtained, and the connected layout of an integer fanning strip (1) can form an annulus.
3. a kind of novel gas flow parts according to claim 1, is characterized in that: process several equally distributed grooves (5) for placing stator coil in the inner circle of fanning strip (1).
4. a kind of novel gas flow parts according to claim 1, it is characterized in that: fanning strip (1) yoke portion has several equally distributed circular holes (6), cross circular hole (6) with stretching screw string, all stator iron-core laminations and gas flow path features are fixed as stator core entirety conjunction.
5. a kind of novel gas flow parts according to claim 1, it is characterized in that: at several dovetail slots of Excircle machining (7) of fanning strip (1) for coordinating with the positioning bar on out frame, gas flow parts are fastened on out frame.
6. a kind of novel gas flow parts according to claim 1, is characterized in that: broken line overcurrent channel-section steel (2) is processed by forged steel and obtained, and its plane projection is broken line, and cross section, in " work " font, is highly 6mm, support stator core tooth part.
7. a kind of novel gas flow parts according to claim 1, it is characterized in that: the material of long straight line overcurrent channel-section steel (3) and short lines overcurrent channel-section steel (4) is special section, its plane projection is straight line, cross section is in " work " font, be highly 6mm, support stator rear of core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127957.2U CN204559256U (en) | 2015-03-05 | 2015-03-05 | A kind of novel gas flow parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127957.2U CN204559256U (en) | 2015-03-05 | 2015-03-05 | A kind of novel gas flow parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204559256U true CN204559256U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520127957.2U Expired - Fee Related CN204559256U (en) | 2015-03-05 | 2015-03-05 | A kind of novel gas flow parts |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253526A (en) * | 2016-08-29 | 2016-12-21 | 北京交通大学 | Combine the electric machine structure of dissimilar channel-section steel |
| CN106253527A (en) * | 2016-08-29 | 2016-12-21 | 哈尔滨理工大学 | There is the motor rotor ventilation structure of I-shaped cross-section channel-section steel |
| CN106253512A (en) * | 2016-08-29 | 2016-12-21 | 哈尔滨理工大学 | It is beneficial to the large-size machine stator ventilation steel channel structure of heat radiation |
| CN106300708A (en) * | 2016-08-29 | 2017-01-04 | 北京航空航天大学 | A kind of motor rotor ventilation structure installing three channel-section steels |
| CN106300746A (en) * | 2016-08-29 | 2017-01-04 | 哈尔滨理工大学 | Change the rotor radiator structure of channel-section steel mounting means |
| CN106329760A (en) * | 2016-08-29 | 2017-01-11 | 哈尔滨理工大学 | Multi-structure and multi-distribution stator ventilation channel steep structure |
| CN106329781A (en) * | 2016-08-29 | 2017-01-11 | 哈尔滨理工大学 | Motor rotor ventilation structure with multi-structure combined-type channel steel |
| CN106329744A (en) * | 2016-08-29 | 2017-01-11 | 北京交通大学 | Motor structure based on transverse H-shaped sectional ventilating channel steel |
| CN106329782A (en) * | 2016-08-29 | 2017-01-11 | 哈尔滨理工大学 | Rotor ventilation structure for improving shape of channel steel |
| CN106329759A (en) * | 2016-08-29 | 2017-01-11 | 哈尔滨理工大学 | Stator ventilation duct with diversion and ventilation functions |
| CN106329758A (en) * | 2016-08-29 | 2017-01-11 | 北京航空航天大学 | Ventilating channel steel structure of motor stator |
| CN106357021A (en) * | 2016-08-29 | 2017-01-25 | 哈尔滨理工大学 | Improved structure for radial steel ventilation channels for large motor |
| CN106357022A (en) * | 2016-08-29 | 2017-01-25 | 哈尔滨理工大学 | Motor stator ventilating structure provided with streamline channel steel with I-shaped sections |
| CN106374659A (en) * | 2016-08-29 | 2017-02-01 | 哈尔滨理工大学 | Rotor heat dissipation structure with different combinations of motor rotor slot steel |
| CN107070019A (en) * | 2016-08-29 | 2017-08-18 | 哈尔滨理工大学 | Motor stator aeration structure with square-section channel-section steel |
-
2015
- 2015-03-05 CN CN201520127957.2U patent/CN204559256U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253526A (en) * | 2016-08-29 | 2016-12-21 | 北京交通大学 | Combine the electric machine structure of dissimilar channel-section steel |
| CN106253527A (en) * | 2016-08-29 | 2016-12-21 | 哈尔滨理工大学 | There is the motor rotor ventilation structure of I-shaped cross-section channel-section steel |
| CN106253512A (en) * | 2016-08-29 | 2016-12-21 | 哈尔滨理工大学 | It is beneficial to the large-size machine stator ventilation steel channel structure of heat radiation |
| CN106300708A (en) * | 2016-08-29 | 2017-01-04 | 北京航空航天大学 | A kind of motor rotor ventilation structure installing three channel-section steels |
| CN106300746A (en) * | 2016-08-29 | 2017-01-04 | 哈尔滨理工大学 | Change the rotor radiator structure of channel-section steel mounting means |
| CN106329760A (en) * | 2016-08-29 | 2017-01-11 | 哈尔滨理工大学 | Multi-structure and multi-distribution stator ventilation channel steep structure |
| CN106329781A (en) * | 2016-08-29 | 2017-01-11 | 哈尔滨理工大学 | Motor rotor ventilation structure with multi-structure combined-type channel steel |
| CN106329744A (en) * | 2016-08-29 | 2017-01-11 | 北京交通大学 | Motor structure based on transverse H-shaped sectional ventilating channel steel |
| CN106329782A (en) * | 2016-08-29 | 2017-01-11 | 哈尔滨理工大学 | Rotor ventilation structure for improving shape of channel steel |
| CN106329759A (en) * | 2016-08-29 | 2017-01-11 | 哈尔滨理工大学 | Stator ventilation duct with diversion and ventilation functions |
| CN106329758A (en) * | 2016-08-29 | 2017-01-11 | 北京航空航天大学 | Ventilating channel steel structure of motor stator |
| CN106357021A (en) * | 2016-08-29 | 2017-01-25 | 哈尔滨理工大学 | Improved structure for radial steel ventilation channels for large motor |
| CN106357022A (en) * | 2016-08-29 | 2017-01-25 | 哈尔滨理工大学 | Motor stator ventilating structure provided with streamline channel steel with I-shaped sections |
| CN106374659A (en) * | 2016-08-29 | 2017-02-01 | 哈尔滨理工大学 | Rotor heat dissipation structure with different combinations of motor rotor slot steel |
| CN107070019A (en) * | 2016-08-29 | 2017-08-18 | 哈尔滨理工大学 | Motor stator aeration structure with square-section channel-section steel |
| CN106329758B (en) * | 2016-08-29 | 2019-03-01 | 北京航空航天大学 | A kind of motor stator ventilation steel channel structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |