CN204572336U - A kind of low damage axial flow type wind generating unit be applicable on expressway - Google Patents
A kind of low damage axial flow type wind generating unit be applicable on expressway Download PDFInfo
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- CN204572336U CN204572336U CN201520280497.7U CN201520280497U CN204572336U CN 204572336 U CN204572336 U CN 204572336U CN 201520280497 U CN201520280497 U CN 201520280497U CN 204572336 U CN204572336 U CN 204572336U
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- fan
- expressway
- generating unit
- applicable
- axial flow
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- 239000006096 absorbing agent Substances 0.000 claims description 14
- 230000035939 shock Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 14
- 238000007664 blowing Methods 0.000 abstract description 6
- 241000883990 Flabellum Species 0.000 abstract description 3
- 238000005266 casting Methods 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 2
- 230000003139 buffering Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000001015 Abdomen Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- 231100000817 safety factor Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a kind of low damage axial flow type wind generating unit be applicable on expressway, it comprises fan, fan comprises housing and fan shaft, one end of fan is provided with rotation section, rotation section comprises multiple fan blade, internal fixtion circle and extenal fixation circle, the other end of fan is provided with generator, the rotor of generator and fan shaft coaxial parallel-connection move, the middle part of housing is provided with back shaft, back shaft is fixed in supporting sleeve by bearing, the lower end of supporting sleeve is fixed on ground or guardrail, and generator is electrically connected with electric accumulator; Elastic component is provided with between back shaft and flabellum.Arranging of rotation section can have larger blowing area, and extenal fixation circle serves distinguished and admirable rectification and the effect gathering wind energy simultaneously, and eliminate blade tip effect, wind energy utilization is high.And fan of the present utility model according to the size of wind-force from Row sum-equal matrix direction windward, and then can reduce circumferential torsion and the internal stress of blower-casting and back shaft, improves generating efficiency.
Description
Technical field
The utility model relates to technical field of wind power generating equipment, relates to a kind of low damage axial flow type wind generating unit be applicable on expressway specifically.
Background technique
Day by day exhausted along with traditional energy, people are just striving to find the energy of sustainable, environmental protection to meet the demand of human development, and wind energy receives much concern as important green energy resource.
Natural wind due to wind direction, wind speed all non-constant, and relevant device is of a high price, generating efficiency is lower, therefore common demand can not be applicable to, how people utilizes the directed wind energy produced in human activity process to generate electricity, as the wind energy that Motor Vehicle on expressway produces in the process of moving if beginning one's study.
Existing low damage wind generating unit on expressway generally all adopts a fan to drive a generator, as Chinese patent literature CN101294548A discloses a kind of wind generating unit and the system that are applied to expressway, the axle of its each wind-driven generator is all connected with blade, and the aligning direction making blade fixing, although this setup can ensure that rotation section drive electrical generators rotates, but because the vehicle on expressway is not continue through, spacing is each other indefinite, Motor Vehicle through out-of-date generation wind-force by strong as, particularly Motor Vehicle just produces a very large circumferential torsion through the instantaneous large wind of out-of-date generation to blower-casting, the joint of supporting post (for supports fan) and fan and supporting post has larger internal stress, and Motor Vehicle torsion in later disappears, the joint of supporting post and fan and supporting post is in order to reset and have a reverse circumferential stress, and often will the circulation of once " circumferential torsion---reset " through a car, therefore the supporting post of this fan and the joint of supporting post and fan are easily damaged, permanent use can not be suitable for, and maintenance cost is higher.
And the lift-type fan blades such as current fan many employings three fan blade or multiple fan blade, its fan blade blade tip is free state, and blade tip effect is obvious.Define almost plane during fan blade High Rotation Speed, hinder air-flow and pass through, make fan blade reduce wind energy utilization air-flow and flow with turning to surrounding, fan blade rear presents vacuum state, and fan blade torsional deformation phenomenon is obvious, destroys the stability of generator.Bulk strength is poor, and noise is large, and poor stability, easily come off and cause contingency.
Therefore, inventor of the present utility model needs a kind of new technology of design badly to improve its problem.
Model utility content
The utility model aims to provide a kind ofly has higher wind energy utilization, the low damage axial flow type wind generating unit be applicable on expressway compared with high safety factor, higher electrical generation efficiency and lower maintenance cost.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of low damage axial flow type wind generating unit be applicable on expressway, comprise fan, described fan comprises housing and is arranged on the fan shaft in described housing, one end of described fan is provided with rotation section, described rotation section comprises multiple fan blade, internal fixtion circle and extenal fixation circle, the along the circumferential direction uniform arrangement of described multiple fan blade is also installed on described internal fixtion circle and described extenal fixation circle, described internal fixtion circle is fixed on described fan shaft, described extenal fixation circle is round table-like structure, constant or evenly reduce along the cross-sectional diameter size of internal fixtion circle described in the direction away from described housing, evenly increase along the cross-sectional diameter of extenal fixation circle described in the direction away from described housing, described all fan blade circular arc directions are consistent, the Leaf inclination direction of described all fan blades is consistent.
The other end of described fan is provided with generator, the rotor of described generator and described fan shaft coaxial parallel-connection move, the middle part of described housing is provided with the back shaft to downward-extension, described back shaft is fixed in supporting sleeve by bearing, described back shaft can rotate relative to described supporting sleeve, the lower end of described supporting sleeve is fixed on for supporting described fan on ground or guardrail, and described generator is electrically connected with electric accumulator; Elastic component is provided with between described back shaft and described rotation section, the upper end of described elastic component is fixing on the housing, the lower end of described elastic component is fixed on described supporting sleeve or ground, and the plane orthogonal that the axis of described elastic component, described fan shaft and described back shaft is formed jointly is in ground.
Further, described extenal fixation circle is the round table-like structure of hollow, and the cross-sectional diameter of its shell ends far away and the cross-sectional diameter of nearly shell ends are than between 1.1:1 to 1.5:1.
Further, the Leaf inclination of described fan blade is 30 ° ~ 60 °.
Further, the side of described supporting sleeve is provided with the limiting steering device for preventing described fan oversteering.
Further, described limiting steering device is the limiting board being arranged on described supporting sleeve both sides, the lower end of described limiting board is fixed on the sidewall of described supporting sleeve, the upper end of described limiting board extends to the both sides of described fan front or rear end, and the distance between two described limiting boards is suitable for the angle that described fan shaft turns to positive and negative 30 degree in horizontal plane.
Further, be provided with shock absorber between the top of described limiting board and the housing of described fan, one end of described shock absorber is fixed on the upper end of described limiting board, and the other end of described shock absorber is fixed on the housing of described fan.
Further, described shock absorber is spiral spring, and one end that described spring is connected with the housing of described fan is arranged near described rotation section.
Further, described elastic component is spiral spring or stretch cord.
Further, described internal fixtion circle is that equal diameter is columnar structured.
Further, described internal fixtion circle is round table-like structure.
Adopt technique scheme, the utility model at least comprises following beneficial effect:
1. the low damage axial flow type wind generating unit be applicable on expressway described in the utility model, arranging of its rotation section can have larger blowing area, described extenal fixation circle serves distinguished and admirable rectification and the effect gathering wind energy simultaneously, overall structure effectively improves the smoothness of operation of fan blade intensity, fan blade, eliminate blade tip effect, structure is simple, and wind energy utilization is high.Described fan blade by described internal fixtion circle and described extenal fixation circle fastening, make that the entirety of described rotation section is counter-bending, to obstruct performance good, relative to large fluid wind energy energy, not frangibility, thrust-neutral, rotate effect is good, because blade tip wraps, do not draw stream effect, relative noise is little, has certain stability and working life.
2. the low damage axial flow type wind generating unit be applicable on expressway described in the utility model, whole fan can back shaft be that axle center circumference is rotated, when the wind-force produced in motor-driven vehicle going process is excessive, fan can rotate around the axis several angle, and then the twisting force that buffering wind-force produces whole fan, reduce the internal stress of back shaft, supporting sleeve and housing, and then extend the life-span of wind generating unit; And by arranging elastic component, and the plane orthogonal jointly formed by the axis of elastic component, fan shaft and back shaft is in ground, then only have when fan be in default meet the direction of coming to Motor Vehicle time, the extended length of elastic component is the shortest, no matter fan is left under the action of the forces of the wind or turns right fan all can be driven to rotate around back shaft, and then the extended length of elastic component is stretched, the elastic force of elastic component becomes large, to overcome excessive wind-force, and make the flabellum of fan aim at wind-force direction rightly, improve generating efficiency; Therefore its fan of wind generating unit of the present utility model can according to the size of wind-force from Row sum-equal matrix direction windward, reduce circumferential torsion and the internal stress of blower-casting and back shaft, increase the service life, and the Windward angle of rotation section can be optimized, improve generating efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the low damage axial flow type wind generating unit be applicable on expressway described in the utility model;
Fig. 2 is the schematic top plan view of the low damage axial flow type wind generating unit be applicable on expressway described in the utility model;
Fig. 3 is the structural representation of rotation section described in the utility model;
Fig. 4 is the structural representation of fan blade described in the utility model.
Wherein: 1. fan, 10. housing, 11. fan shafts, 12. rotation sections, 121. fan blades, 122. internal fixtion circles, 123. extenal fixation circle, 2. generator, 3. back shaft, 4. supporting sleeve, 5. electric accumulator, 6. elastic component, 7. shock absorber, 8. limiting boards.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figures 1 to 4, for meeting a kind of low damage axial flow type wind generating unit be applicable on expressway of the present utility model, comprise fan 1, the fan shaft 11 that described fan 1 comprises housing 10 and is arranged in described housing 10, one end of described fan 1 is provided with rotation section 12, described rotation section 12 comprises multiple fan blade 121, internal fixtion circle 122 and extenal fixation circle 123, the along the circumferential direction uniform arrangement of described multiple fan blade 121 is also installed on described internal fixtion circle 122 and described extenal fixation circle 123, described internal fixtion circle 122 is fixed on described fan shaft 11, described extenal fixation circle 123 is round table-like structure, constant or evenly reduce along the cross-sectional diameter size of internal fixtion circle 122 described in the direction away from described housing 10, evenly increase along the cross-sectional diameter of extenal fixation circle 123 described in the direction away from described housing 10, described all fan blades 121 circular arc direction is consistent, the Leaf inclination direction of described all fan blades 121 is consistent.Arranging of described rotation section 12 can have larger blowing area, described extenal fixation circle 123 serves distinguished and admirable rectification and the effect gathering wind energy simultaneously, overall structure effectively improves the smoothness of operation of fan blade 121 intensity, fan blade 121, eliminate blade tip effect, structure is simple, and wind energy utilization is high.Described fan blade 121 by described internal fixtion circle 122 and described extenal fixation circle 123 fastening, make that the entirety of described rotation section 12 is counter-bending, to obstruct performance good, relative to large fluid wind energy energy, not frangibility, thrust-neutral, rotate effect is good, because blade tip wraps, do not draw stream effect, relative noise is little, has certain stability and working life.
The other end of described fan 1 is provided with generator 2, the rotor of described generator 2 and described fan shaft 11 coaxial parallel-connection move, the middle part of described housing 10 is provided with the back shaft 3 to downward-extension, described back shaft 3 is fixed in supporting sleeve 4 by bearing, described back shaft 3 can rotate relative to described supporting sleeve 4, the lower end of described supporting sleeve 4 is fixed on for supporting described fan 1 on ground or guardrail, and described generator 2 is electrically connected with electric accumulator 5; Elastic component 6 is provided with between described back shaft 3 and described rotation section 12, the upper end of described elastic component 6 is fixed on described housing 10, the lower end of described elastic component 6 is fixed on described supporting sleeve 4 or ground, and the plane orthogonal that the axis of described elastic component 6, described fan shaft 11 and described back shaft 3 is formed jointly is in ground.The airflow direction setting produced to Motor Vehicle is initially being met in the rotation section 12 of described fan 1, makes the windward side of fan 1 just to the main flow wind direction of wagon flow when initial installation.Because fan 1 is fixed in supporting sleeve 4 by back shaft 3, whole fan 1 can back shaft 3 be that axle center circumference is rotated, when the wind-force produced in motor-driven vehicle going process is excessive, fan 1 can rotate around the axis several angle, and then the twisting force that buffering wind-force produces whole fan 1, reduce the internal stress of back shaft 3, supporting sleeve 4 and housing 10, and then extend the life-span of wind generating unit, and by arranging elastic component 6, and by elastic component 6, the plane orthogonal that the axis of fan shaft 11 and back shaft 3 is formed jointly is in ground, then only have when fan 1 be in default meet the direction of coming to Motor Vehicle time, the extended length of elastic component 6 is the shortest, no matter fan 1 is left under the action of the forces of the wind or turns right fan 1 all can be driven to turn to, and then the extended length of elastic component 6 is stretched, the elastic force of elastic component 6 becomes large, to overcome excessive wind-force, and make the flabellum of fan 1 aim at wind-force direction rightly, improve generating efficiency, the circumferential torsion acted on fan 1 once wind-force is less than elastic component 6 and is applied to torsion on fan 1, fan 1 returns to home position.Described elastic component 6 in the present embodiment selects spiral spring or stretch cord etc. to have the elastic component 6 of Telescopic.
Preferably, described extenal fixation circle 123 is the round table-like structure of hollow, and the cross-sectional diameter of its housing 10 end far away and the cross-sectional diameter of nearly housing 10 end are than between 1.1:1 to 1.5:1.Through verification experimental verification, the vibrational power flow of described internal fixtion circle 122 and described extenal fixation circle 123 can increase blowing area, improves air draft ability.
Preferably, the Leaf inclination of described fan blade 121 is 30 ° ~ 60 °.The Leaf inclination of more preferably described fan blade 121 is 45 °.As everyone knows, described Leaf inclination is the normal of the blade outside of belly and the angle of sky apical axis.Fan blade 121 described in the present embodiment adopts orthodrome, wide-angle shape, adds blowing area, improves air draft ability, eliminates air-flow and gathers, and because air current flow is unobstructed, fan blade 121 rear air pressure is relatively stable, improves overall stationarity.Overall stationarity can be improve to a greater extent by the Leaf inclination of the structure and fan blade 121 that reasonably arrange described internal fixtion circle 122 and described extenal fixation circle 123, improve wind energy utilization.
Preferably, the side of described supporting sleeve 4 is provided with the limiting steering device for preventing described fan 1 oversteering.By arranging limiting steering device, can prevent fan 1 because of wind-force oversteering, and then cause the windward side of rotation section 12 just to wind direction, and then not cause wind-force to waste, reduce generating efficiency.
See Fig. 2, (described rotation section 12 is schematic construction, those skilled in the art should know), described limiting steering device in the present embodiment is the limiting board being arranged on described supporting sleeve 4 both sides, the lower end of described limiting board is fixed on the sidewall of described supporting sleeve 4, the upper end of described limiting board extends to described fan 1 front end, and (front end is the one end near rotation section 12, rear end can certainly be arranged on, namely near one end of generator 2) both sides, distance between two described limiting boards is suitable for described fan shaft 11 in horizontal plane, turns to the angle of positive and negative 30 degree (rotating centered by initial position), to improve rotation section 12 area windward, and prevent oversteering, improve generating efficiency.
See Fig. 2, in the present embodiment, shock absorber 7 is provided with between the top of described limiting board and the housing 10 of described fan 1, described shock absorber 7 is spiral spring, one end of described shock absorber 7 is fixed on the upper end of described limiting board, the other end of described shock absorber 7 is fixed on the housing 10 of described fan 1, immovable point is arranged on the housing 10 on rear side of rotation section 12, when fan 1 is in the process turned to, except elastic component 6 pairs of fans 1 apply its active force turned to of obstruction, two shock absorbers 7 form push-and-pull action in both sides to housing 10, and then the further driving effect reducing excessive wind-force and wind-force is turned to, be conducive to the stability improving generating.
Described internal fixtion circle 122 is that equal diameter is columnar structured in one embodiment, and described internal fixtion circle 122 is round table-like structure in another embodiment.Described internal fixtion circle 122 adopts round table-like structure, evenly reduces along the cross-sectional diameter size of internal fixtion circle 122 described in the direction away from described housing 10.Adopt round table-like structure can obtain the blowing area large compared with diameter cylindrical, but adopt the preparation process of diameter cylindrical relatively simple.Those skilled in the art can be arranged accordingly according to the user demand of reality, and the present embodiment is not construed as limiting this.
Above an embodiment of the present utility model has been described in detail, but described content is only the preferred embodiment that the utility model is created, and can not be considered to for limiting practical range of the present utility model.All any equivalent variations done according to the utility model application range, all should still be within patent covering scope of the present utility model.
Claims (10)
1. one kind is applicable to the low damage axial flow type wind generating unit on expressway, it is characterized in that, comprise fan, described fan comprises housing and is arranged on the fan shaft in described housing, one end of described fan is provided with rotation section, described rotation section comprises multiple fan blade, internal fixtion circle and extenal fixation circle, the along the circumferential direction uniform arrangement of described multiple fan blade is also installed on described internal fixtion circle and described extenal fixation circle, described internal fixtion circle is fixed on described fan shaft, described extenal fixation circle is round table-like structure, constant or evenly reduce along the cross-sectional diameter size of internal fixtion circle described in the direction away from described housing, evenly increase along the cross-sectional diameter of extenal fixation circle described in the direction away from described housing, described all fan blade circular arc directions are consistent, the Leaf inclination direction of described all fan blades is consistent,
The other end of described fan is provided with generator, the rotor of described generator and described fan shaft coaxial parallel-connection move, the middle part of described housing is provided with the back shaft to downward-extension, described back shaft is fixed in supporting sleeve by bearing, described back shaft can rotate relative to described supporting sleeve, the lower end of described supporting sleeve is fixed on for supporting described fan on ground or guardrail, and described generator is electrically connected with electric accumulator; Elastic component is provided with between described back shaft and described rotation section, the upper end of described elastic component is fixing on the housing, the lower end of described elastic component is fixed on described supporting sleeve or ground, and the plane orthogonal that the axis of described elastic component, described fan shaft and described back shaft is formed jointly is in ground.
2. be applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 1, it is characterized in that: described extenal fixation circle is the round table-like structure of hollow, the cross-sectional diameter of its shell ends far away and the cross-sectional diameter of nearly shell ends are than between 1.1:1 to 1.5:1.
3. be applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 1, it is characterized in that: the Leaf inclination of described fan blade is 30 ° ~ 60 °.
4. being applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 1, it is characterized in that: the side of described supporting sleeve being provided with the limiting steering device for preventing described fan oversteering.
5. be applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 4, it is characterized in that: described limiting steering device is the limiting board being arranged on described supporting sleeve both sides, the lower end of described limiting board is fixed on the sidewall of described supporting sleeve, the upper end of described limiting board extends to the both sides of described fan front or rear end, and the distance between two described limiting boards is suitable for the angle that described fan shaft turns to positive and negative 30 degree in horizontal plane.
6. be applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 5, it is characterized in that: between the top of described limiting board and the housing of described fan, be provided with shock absorber, one end of described shock absorber is fixed on the upper end of described limiting board, and the other end of described shock absorber is fixed on the housing of described fan.
7. be applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 6, it is characterized in that: described shock absorber is spiral spring, one end that described spring is connected with the housing of described fan is arranged near described rotation section.
8. be applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 1, it is characterized in that: described elastic component is spiral spring or stretch cord.
9. be applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 1, it is characterized in that: described internal fixtion circle is that equal diameter is columnar structured.
10. be applicable to the low damage axial flow type wind generating unit on expressway as claimed in claim 1, it is characterized in that: described internal fixtion circle is round table-like structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280497.7U CN204572336U (en) | 2015-05-04 | 2015-05-04 | A kind of low damage axial flow type wind generating unit be applicable on expressway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280497.7U CN204572336U (en) | 2015-05-04 | 2015-05-04 | A kind of low damage axial flow type wind generating unit be applicable on expressway |
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| CN204572336U true CN204572336U (en) | 2015-08-19 |
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| CN201520280497.7U Expired - Fee Related CN204572336U (en) | 2015-05-04 | 2015-05-04 | A kind of low damage axial flow type wind generating unit be applicable on expressway |
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| CN (1) | CN204572336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791188A (en) * | 2015-05-04 | 2015-07-22 | 苏州常实工业设备有限公司 | Self-steering axial flow type wind power generating device suitable for expressway |
-
2015
- 2015-05-04 CN CN201520280497.7U patent/CN204572336U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791188A (en) * | 2015-05-04 | 2015-07-22 | 苏州常实工业设备有限公司 | Self-steering axial flow type wind power generating device suitable for expressway |
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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 |
Granted publication date: 20150819 Termination date: 20160504 |
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| CF01 | Termination of patent right due to non-payment of annual fee |