CN204961067U - Centrifugal impeller - Google Patents
Centrifugal impeller Download PDFInfo
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- CN204961067U CN204961067U CN201420449092.7U CN201420449092U CN204961067U CN 204961067 U CN204961067 U CN 204961067U CN 201420449092 U CN201420449092 U CN 201420449092U CN 204961067 U CN204961067 U CN 204961067U
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- centrifugal impeller
- blade
- arc portion
- flow guide
- impeller
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- 239000007789 gas Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
Centrifugal impeller, constitute by rim plate, wheel cap, blade and reel, a serial communication port, centrifugal impeller is divided into the action wheel and follows two kinds on driving wheel, wherein, the action wheel has still increased a flow guide disc, flow guide disc's cross section with the rim plate is the concentric circles, and the radius of flow guide disc cross section equals the centre of a circle just and arrives the distance on limit in the blade makes quilt between blade and the reel flow guide disc separates, and makes flow guide disc becomes the bottom of two slice arbitrary blades, and when the air current promotes the impeller rotation, discharge in the whole clearances of passing through between flow guide disc and the wheel cap on the blade that are used in of atmospheric pressure, centrifugal impeller, its characteristic still lies in, the blade of following the driving wheel is the linear form of double arc of " S " shape pitch arc, makes airflow direction from the driving wheel is followed when the engine is breathed in in the engine pipeline is rotatory. Include, realize through following technical scheme.
Description
Technical field:
The utility model relates to draught fan impeller technology and turbo impeller technical field.
Background technique:
The patent No. is the application of CN201210193224.X (hereinafter referred to as " D2 "), give the method realizing wind power boosting, and applied in practice, wherein centrifugal impeller is one of essential core component of this pressurized machine, the advantage of centrifugal impeller is that intake and exhaust amount is large, inertia is large, rotating speed is fast, but relative to axial-flow blower, centrifugal impeller more easily changes the flow direction of medium in airduct, conversely, in pipe, the flow direction of medium also can directly affect turning to of impeller, and centrifugal impeller gearing better its be subject to MEDIA FLOW to impact also larger, only have after automobile speed per hour reaches 50km/h in the actual use of wind turbine turbocharger of therefore this " zero energy consumption " at present, pressurized effect just there will be, more test result shows that the air output of increase wind-drive device can only shorten the intervention time of pressurized machine to a certain extent, and pressurized machine is difficult to effectively promote engine power under automobile lower-speed state, reason is the blade two sides mineralization pressure difference of the supercharger impeller when engine suction and occurs reversal phenomenon: the direction of vane rotary is just in time contrary with the flow direction of gas in engine charge pipeline.Only have the pressurized machine when the automobile air pressure reached in certain speed, wind-drive device is enough to overcome the impeller converse rotating force caused because of engine suction just can work.
Centrifugal impeller is widely used in work, agricultural production, Main Function is the absorption or the discharge that coordinate turbine casing to complete convection cell, in tradition application, centrifugal impeller or axial-flow blower all rely on driven by motor, it is gearing is extremely restricted, centrifugal impeller do not rely on driven by motor but utilize hydrodynamic pressure as power source appear at the earliest exhaust turbine pressuring technology be born after, the high pressure exhaust gas of being discharged by motor promotes centrifugal impeller work, make the rotating speed of impeller break through ten thousand turns of high pointes, its maximum speed even can reach more than 100,000 turns; D2 scheme, that the power source of pressurized machine is become high pressure normal temperature air by waste gas, under normal temperature, the gearing of supercharger impeller obtains significant increase, can be described as a great revolution leap of supercharging technology, centrifugal supercharging impeller reversion when but bringing the engine suction thus thus problem of engine power cannot be promoted under causing automobile lower-speed state, urgently to be resolved hurrily.
Model utility content:
Centrifugal impeller described in the utility model, by wheel disc, wheel cap, blade and reel composition, it is characterized in that, described centrifugal impeller is divided into driving wheel and follower two kinds, wherein, described driving wheel also add a diversion disk, the radius of described diversion disk arbitrary cross section equals the distance of the center of circle to described blade just, make to be separated by described diversion disk between described blade and reel, and make described diversion disk become the bottom of any two panels blade, when air propels vane rotary, air pressure all to be acted on blade and is discharged by the gap between diversion disk and wheel cap, described centrifugal impeller, is further characterized in that, the blade of described follower is the double camber shape of serpentine camber line, and described follower is rotated along the airflow direction in engine pipeline when engine suction.Comprise, be achieved through the following technical solutions:
Described diversion disk is tubular, the opening of described diversion disk is towards the direction residing for disk cover, the bottom of described diversion disk and the wheel disc of described driving wheel exist together a plane, and, the bottom of described diversion disk and wheel disc and reel are concentric circle, be further characterized in that, the blade close contact of described diversion disk cylinder and described driving wheel is to make full use of air pressure, and the diameter of described diversion disk is less than the diameter of described disk cover, make to form enough large gap between described diversion disk and described disk cover discharges to guide air-flow; The blade of described follower is double camber shape, described pair of arc blade is divided into arc portion and lower arc portion, wherein, under identical air pressure conditions, the pressure that the pressure that lower arc portion is subject to should be subject to than upper arc portion is large, to guarantee that the lower arc position that turbine internal gas flow in motor natural aspiration process acts on described pair of arc blade more rotates along engine charge direction to promote described follower, make the air-flow entering motor unblocked.
Particularly, the utility model provides a kind of centrifugal impeller, it is characterized in that, each blade of centrifugal impeller, in two arc shape, is divided into arc portion and lower arc portion, wherein, the upper arc portion of centrifugal impeller and lower arc portion infinite approach rectilinear form, and, described upper arc portion and lower arc portion also linearly shape, make under same air pressure, the air pressure that described upper arc portion bears is less than or equal to the air pressure that described lower arc portion bears.
In addition, the utility model provides a kind of centrifugal impeller, and described centrifugal impeller is made up of wheel disc, wheel cap, blade and reel, it is characterized in that, also add diversion disk; The bottom of wherein said diversion disk and described wheel disc exist together in one plane and they are concentric structures, the cross-section area of the open part of described diversion disk can be less than or equal to the bottom of described diversion disk, described diversion disk can be cylindricality tubular or taper tubular, its surrounding and blade close contact.
According to a kind of mode of execution, the cross-section area of the open part of centrifugal impeller is less than the cross-section area of wheel cover gab.
Beneficial effect:
The problem that centrifugal impeller described in the utility model solves and effect as follows:
1, the utilization of power turbine to wind-force of pressurized machine is greatly improved.
Conventional centrifugal impeller carries out air-breathing or exhaust work by driven by motor, therefore reduce as far as possible impeller drag with farthest promote while saving electric power into, exhaust effect, but when impeller only relies on wind-force as power, prior art divides into the centrifugal impeller of family planning product owing to there is very wide arc gap between blade, the air pressure acted on vane stress face weakens with the loss of gas, cause a large amount of wastes of wind resource, centrifugal impeller described in the utility model well solves this problem, the rotating speed of power turbine is significantly promoted, make the pressurized effect of driven impeller significantly improve simultaneously.
The difficult problem that when 2, solving automobile low speed driving, wind power boosting is invalid.
Due to impeller reversion driven during engine suction, then power turbine is made to reverse, during automobile low speed driving, wind-force is more weak, be difficult to the converse rotating force overcoming supercharger impeller, under making automobile lower-speed state, motor loses pressurized effect, centrifugal impeller perfection described in the utility model solves this great problem, driven impeller is under any circumstance all rotated with the airflow direction in engine pipeline, the intake resistance produced by engine suction power when eliminating automobile low speed, suction pressure endlessly is all had under making to have installed which kind of operating mode of motor of wind turbine turbocharger, wind power boosting automobile " low speed is unable " becomes history.
3, field of traffic energy-saving and emission-reduction cause will be made to upgrade to a new height.
As everyone knows, mechanical turbine supercharging, electronic turbine supercharging need consumption of engine electric energy and mechanical energy, supercharging and not fuel-economizing, and exhaust-gas turbocharger is owing to relying on waste gas drive work, pressurized effect can only be improved by promoting air displacement, causing oil consumption to increase equally; As the supercharging technology of " zero energy consumption ", wind power boosting technology is once solve the low difficult problem of automobile low speed pressurized effect, to numerous traffic tool be made while raising efficiency no longer using oil consumption as cost, and, adopt natural gas as the traffic tool of fuel without the need to worrying the problem be short of power again for decreasing pollution, centrifugal impeller described in the utility model will make wind turbine supercharging technology further strengthened and above problem is readily solved along with the popularization and application of wind power boosting technology.
Accompanying drawing illustrates:
Fig. 1 is the cross-sectional view of centrifugal impeller driving wheel described in the utility model.
Fig. 2 is the cross-sectional view of centrifugal impeller follower described in the utility model.
Fig. 3 A is the cross-sectional view of centrifugal impeller driving wheel described in the utility model.
Fig. 3 B is the vertical section figure of centrifugal impeller driving wheel described in the utility model.
Fig. 4 A is the cross-sectional view of centrifugal impeller follower described in the utility model.
Fig. 4 B is the vertical section figure of centrifugal impeller follower described in the utility model.
Fig. 5 is conventional centrifugal impeller motive power wheel operating diagram.
Fig. 6 is the operating diagram of centrifugal impeller driving wheel described in the utility model.
Fig. 7 is conventional centrifugal impeller follower operating diagram.
Fig. 8 is the operating diagram of centrifugal impeller follower described in the utility model.
Fig. 9 is the work relationship figure of centrifugal impeller driving wheel described in the utility model and follower.
Figure 10 is the work relationship figure of conventional centrifugal impeller driving wheel and follower.
Embodiment:
Centrifugal impeller described in the utility model, wherein said driving wheel is as Fig. 1, shown in Fig. 3 A and 3B, air-flow 7 promotes blade 1 and drives whole driving wheel to rotate, air-flow 7 and air-flow 8 are subject to break-in after the stop of diversion disk 4, (see Fig. 6) on blade 1 is acted on pressure maximum, driving wheel is made to obtain maximum moment of torsion and rotating speed, discharged by the vent 6 between diversion disk 4 and disk cover 2 after gas work done, and we see, Fig. 5 is conventional centrifugal impeller, this conventional impellers is owing to lacking the effect of diversion disk 4, when conventional centrifugal impeller is driven by wind-force, can find out that air-flow 8 does not almost act on blade, wind-force is run off in a large number, and lack the guiding of described diversion disk 4 due to conventional centrifugal impeller, air-flow easily forms sinuous flow around wheel disc 3 and reel 5, exhaust is not enough, restrictive function is produced to the transmission inertia of driving wheel, driving wheel described in the utility model greatly improves the utilization of impeller to wind-force due to the existence of diversion disk 4, make the power of described driving wheel stronger, rotating speed is faster, those skilled in the art are to be understood that, gap length between diversion disk 4 and disk cover 2 can carry out design modifying according to airspeed and uninterrupted, as diversion disk can being designed to taper or cone barrel type shape, the diameter of diversion disk open part is diminished, make as described in gap between diversion disk and disk cover become large, to guarantee that air-flow is discharged with the fastest speed.
Centrifugal impeller described in the utility model, wherein said follower is as Fig. 2, shown in Fig. 4 A and 4B, the blade of described follower is double camber shape, divide upper arc portion 1a and lower arc portion 1b two-part, the camber of arc portion 1b is wherein descended to be greater than the camber of arc portion 1a, or, the arc length in arc portion is made to be less than the arc length in lower arc portion, or, make arc portion close to rectilinear form or make it to become rectilinear form, thus make to be drawn arc portion 1b at present when turbine inner air by external force and bear larger pressure and rotate along inspiratory direction with impeller, as shown in Figure 8, air-flow 7 is engine suction direction, turbine internal gas is under air-flow 7 drives, greatly impeller is rotated towards air-flow 7 direction because lower arc portion is stressed, make engine suction stronger, and Fig. 7 shows conventional impellers can rotate towards the direction contrary with air-flow 7, cause engine suction not enough.
Fig. 9 better describes the effect of centrifugal impeller described in the utility model, due to follower, this drives lower turbine internal gas flow 9 to promote impeller along engine suction direction in air-flow 7 to rotate, therefore, under the effect of outer gas stream 8, driving wheel will drive follower not rotate with the fastest speed by any obstruction, makes motor obtain enough air inflows; On the contrary, in Figure 10, we see, traditional impeller is when engine suction, air-flow 7 drives lower turbine internal gas flow 9 to be promote impeller to rotate towards the direction contrary with air-flow 7, when therefore only having the active force when air-flow 8 to be greater than engine suction power, impeller just can towards correct direction (engine suction direction), namely rotate towards the direction of air-flow 7, engine suction quantity not sufficient when causing low vehicle speeds.
Due to visible, centrifugal impeller described in the utility model, completely solve low vehicle speeds in wind turbine pressurization and cause the problem of engine charge quantity not sufficient, the significant increase working efficiency of wind power boosting device, upgrades to a new height making comprehensive popularization and application of wind power boosting technology.
Claims (3)
1. a centrifugal impeller, it is characterized in that, each blade of centrifugal impeller is in two arc shape, be divided into arc portion and lower arc portion, wherein, the described upper arc portion of centrifugal impeller and lower arc portion infinite approach rectilinear form, or, described upper arc portion and lower arc portion also linearly shape, make under same air pressure, the air pressure that described upper arc portion bears is less than or equal to the air pressure that described lower arc portion bears.
2. a centrifugal impeller, described centrifugal impeller is made up of wheel disc, wheel cap, blade and reel, it is characterized in that, also add diversion disk;
The bottom of wherein said diversion disk and described wheel disc exist together in one plane and they are concentric structures, the cross-section area of the open part of described diversion disk is less than or equal to the bottom of described diversion disk, described diversion disk is cylindricality tubular or taper tubular, its surrounding and blade close contact.
3. centrifugal impeller according to claim 2, is characterized in that, the cross-section area of the open part of described diversion disk is less than the cross-section area of wheel cover gab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449092.7U CN204961067U (en) | 2014-08-08 | 2014-08-08 | Centrifugal impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449092.7U CN204961067U (en) | 2014-08-08 | 2014-08-08 | Centrifugal impeller |
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| Publication Number | Publication Date |
|---|---|
| CN204961067U true CN204961067U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420449092.7U Expired - Lifetime CN204961067U (en) | 2014-08-08 | 2014-08-08 | Centrifugal impeller |
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| Country | Link |
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| CN (1) | CN204961067U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443235A (en) * | 2014-08-08 | 2016-03-30 | 山西华旗风能科技有限公司 | Centrifugal vane wheel |
| CN114658491A (en) * | 2022-03-21 | 2022-06-24 | 上海交通大学 | Wheel rim driven Taiji turbofan blade and application |
-
2014
- 2014-08-08 CN CN201420449092.7U patent/CN204961067U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443235A (en) * | 2014-08-08 | 2016-03-30 | 山西华旗风能科技有限公司 | Centrifugal vane wheel |
| CN114658491A (en) * | 2022-03-21 | 2022-06-24 | 上海交通大学 | Wheel rim driven Taiji turbofan blade and application |
| CN114658491B (en) * | 2022-03-21 | 2023-08-11 | 上海交通大学 | Rim-driven Taiji vortex fan blade and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210413 Address after: 030000 Room 201, 2 / F, 101 Tanghuai Road, Tanghuai Park, Taiyuan comprehensive reform demonstration zone, Taiyuan City, Shanxi Province Patentee after: Zhongrui Weilan Power Technology Co.,Ltd. Address before: 030000 room 1903, block a, high tech international building, 227 Changzhi Road, Taiyuan City, Shanxi Province Patentee before: SHANXI HUAQI WIND ENERGY TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20160113 |