CN208518810U - A kind of ultra low head power generation unit - Google Patents
A kind of ultra low head power generation unit Download PDFInfo
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- CN208518810U CN208518810U CN201821212565.6U CN201821212565U CN208518810U CN 208518810 U CN208518810 U CN 208518810U CN 201821212565 U CN201821212565 U CN 201821212565U CN 208518810 U CN208518810 U CN 208518810U
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- outer cylinder
- generator
- central axis
- power generation
- generation unit
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- 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
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a kind of ultra low head power generation units, relate generally to power generator field.Including water turbine equipment assembly, transmission mechanism and generator；The water turbine equipment assembly includes outer cylinder, central axis, auger impeller, the outer cylinder both ends are equipped with rolling bearing units, the rolling bearing units are fixed on outer cylinder both ends by hack lever, the auger impeller is made of multistage helical blade, multistage helical blade is overall structure, and is welded in central axis outer wall, and the auger impeller is coiled in central axis periphery, the rolling bearing units are matched with central axis, and the central axis is sequentially connected by the rotor shaft of transmission mechanism and generator.The utility model has the beneficial effects that: the present apparatus uses helical blade type auger impeller-driven, static pressure difference and water impact synergy using helical blade upper and lower surface, it is generated electricity within the scope of low water head by transmission mechanism driven generator, the water energy of low water head drop is made to be utilized effectively.
Description
Technical field
The utility model relates to power generator field, specifically a kind of ultra low head power generation unit.
Background technique
China's hydraulic power potentials is abundant, and whether resource reserves or exploitable resources, occupy first in the whole world.By
To the influence of the factors such as weather, landform, topography, China's hydraulic power potentials has that river is steep, the huge outstanding feature of drop, to exploitation
Hydroelectric generation is highly beneficial.In addition, water resource is a kind of regenerated resources, inexhaustible, hydroelectric generation has a extensive future.
It is emphasized that China bows, hydraulic power potentials is so far also in state to be developed.Numerous stream, river etc. are miniature
Waterpower resourses (referring to installed capacity 500KW or less) are distributed in wide knob and remote countryside, according to statistics only 0.1KW~
100KW range is that waterpower exploitable resources just reach 80,000,000 KW.Simultaneously with various middle-size and small-size water conservancy projects, sewage treatment
The construction of drain facility forms countless low water head drop facility, such as river weir, hilly pond, mining area reservoir, power station tail
Water and city piping lane, industrial pipeline etc..It can be seen that the micro- water resource very abundant in China.Wideling popularize micro- water power not only can solve
Powerup issue from far-off regions promotes China's Rural Electrification Construction, but also is able to achieve the occasions such as power plant tail water, municipal pipeline
Energy regenerating helps speed up the strategic objective for realizing China's energy-saving and emission-reduction.
Utility model content
The purpose of this utility model is to provide a kind of ultra low head power generation units, it uses helical blade type auger impeller
Driving, static pressure difference and water impact synergy using helical blade upper and lower surface pass through driver within the scope of low water head
The power generation of structure driven generator, makes the water energy of low water head drop be utilized effectively.
The utility model to achieve the above object, is achieved through the following technical solutions:
A kind of ultra low head power generation unit, including water turbine equipment assembly, transmission mechanism and generator；The hydraulic turbine dress
Setting assembly includes outer cylinder, central axis, auger impeller, and the outer cylinder both ends are equipped with rolling bearing units, and the rolling bearing units pass through
Hack lever is fixed on outer cylinder both ends, and the auger impeller is made of multistage helical blade, and multistage helical blade is overall structure, and
It is welded in central axis outer wall, the auger impeller is coiled in central axis periphery, and the rolling bearing units are matched with central axis, described
Central axis is sequentially connected by the rotor shaft of transmission mechanism and generator.
The central axis includes hollow shaft and solid spindle, and the solid spindle is located at hollow shaft both ends, the auger leaf
Wheel is coiled in hollow shaft periphery.
The solid spindle is matched with rolling bearing units, the hollow shaft diameter dmWith the ratio d of outer cylinder diameter dm/ d=
0.2~0.5；Ratio P/d=0.6~1.2 of pitch P and outer cylinder diameter d between adjacent two sections of helical blades；Auger impeller
Ratio L/d=2~5 of helix length and outer cylinder diameter d；Outer cylinder inclination angle beta=18 °~32 °.
It further include downstream pedestal, the downstream pedestal is fixed on downstream water channel bottom, and the downstream pedestal is equipped with bottom
Bearing block, the bottom bearings are interior to be equipped with thrust bearing and rolling bearing, the solid spindle end shaft end in downstream and thrust axis
It holds and is matched with rolling bearing, the thrust bearing and rolling bearing are sealingly disposed in the interior of bottom bearings by seal washer
Chamber.
It further include the supporting beam being fixed between water channel two sidewalls, the supporting beam is equipped with top bearing block, on
The solid spindle end shaft end of trip is matched with the bearing in the bearing block of top.
The transmission mechanism is tape handler, and the tape handler includes big belt wheel, small pulley and belt, described big
The solid spindle end of upstream is arranged in belt wheel, is driven between the big belt wheel and small pulley by belt, and the small pulley is logical
It crosses connection shaft and alternator shaft is sequentially connected.
The connection shaft connecting with small pulley is equipped with bearing spider, the bearing spider fixed setting far from generator one end
On the ground.The generator is permanent magnet generator, is rare-earth permanent magnet rotor, the rare earth permanent magnet in the permanent magnet generator
Body rotor is magnetized using the Halbach mode of magnetizing.
The both ends of the outer cylinder are equipped with filter screen, and the outside face of the outer cylinder is equipped with fixed ear.
The auger impeller outer circle is equipped with rubber flange collar.
The generator is connected with frequency conversion stable-pressure device, and the frequency conversion stable-pressure device fixed setting is on the ground.
The prior art is compared, the utility model has the beneficial effects that:
1, the present apparatus uses helical blade type auger impeller-driven, using the static pressure difference and water flow of helical blade upper and lower surface
Combined impulse effect, is generated electricity by transmission mechanism driven generator within the scope of low water head, obtains the water energy of low water head drop
Effective use.
2, the auger impeller disk around central axis shaft part be hollow shaft, hollow shaft and auger impeller are all made of vinyl esters green wood
Material production, significantly reduces hollow shaft and auger impeller weight, reduces material cost；Solid spindle is used as transmission connection axis,
So metal shaft is set by solid spindle, to increase its service life；Outer cylinder also uses vinyl esters material to make, thus
Reduce the weight of whole device.
3, the optimum speed of generator amature shaft is generally at 500 turns or more, it is therefore desirable to install speed change gear additional.Routine side
Formula is using gear shift, it is known that the low efficiency of gear shift, loss are greatly.The present apparatus is become using belt gear
Speed realizes speed change by the transmission ratio being rationally arranged between big belt wheel and small pulley.
4, currently used hydroelectric generator is all made of excitation asynchronous generator, low efficiency.The present apparatus uses permanent-magnet synchronous
Generator is made of eight rare-earth permanent magnet rotors in permanent magnet generator in the prior art, magnetizes to improve generating efficiency
As shown in Figure of description Fig. 6, rare-earth permanent magnet rotor is magnetized using the Halbach mode of magnetizing in direction, which can be with
Perfect sinusoidal air-gap field distribution is generated, while the side flux density of field weakening is very low, reduces leakage field, reduces iron loss,
Improve generating efficiency.
5, due to the influence of hydroelectric generation water flow variation, it is easy to cause power generation output voltage, frequency unstable, be this this dress
It sets and increases frequency conversion stable-pressure device, voltage stabilization is exported, it can directly electricity consumption or grid-connected.
Detailed description of the invention
Attached drawing 1 is the utility model concrete structure schematic diagram.
Attached drawing 2 is the portion I enlarged drawing in the utility model attached drawing 1.
Attached drawing 3 be in the utility model helical blade by the force analysis figure of static pressure.
Attached drawing 4 is the structural schematic diagram that rolling bearing units are fixed on outer cylinder both ends by hack lever in the utility model.
Attached drawing 5 is water turbine equipment assembly dimension scale marking structure schematic diagram in the utility model.
Attached drawing 6 is that rare-earth permanent magnet rotor is distributed and magnetizing direction schematic diagram in permanent magnet generator in the utility model.
Label shown in attached drawing:
1, generator；2, outer cylinder；3, central axis；4, auger impeller；5, rolling bearing units；6, hack lever；7, hollow shaft；8, real
Heart shaft；9, downstream pedestal；10, bottom bearings；11, thrust bearing；12, rolling bearing；13, seal washer；14, it supports
Beam；15, top bearing block；16, big belt wheel；17, small pulley；18, belt；19, shaft is connected；20, bearing spider；21, it filters
Net；22, rubber flange collar；23, frequency conversion stable-pressure device.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please limited range.
Described in the utility model is a kind of ultra low head power generation unit, and main structure includes water turbine equipment assembly, transmission
Mechanism and generator 1；The water turbine equipment assembly includes outer cylinder 2, central axis 3, auger impeller 4,2 both ends of outer cylinder
Equipped with rolling bearing units 5, the rolling bearing units 5 are fixed on 2 both ends of outer cylinder by hack lever 6, and rolling bearing units 5 can be to central axis 3
It is supported, and can guarantee can be more stable, steady when central axis 3 rotates.The auger impeller 4 is by multistage helical blade set
At, multistage helical blade is overall structure, and is welded in 3 outer wall of central axis, and the auger impeller 4 is coiled in 3 periphery of central axis,
The rolling bearing units 5 are matched with central axis 3, and the central axis 3 is driven by the rotor shaft of transmission mechanism and generator 1 to be connected
It connects.The present apparatus is driven using helical blade type auger impeller 4, is joined using the static pressure difference and water impact of helical blade upper and lower surface
Cooperation is used, and is generated electricity within the scope of low water head by transmission mechanism driven generator 1, the water energy of low water head drop is made to obtain effective benefit
With.Static pressure difference force analysis: firstly, static pressure refers to object pressure suffered by surface in static or linear uniform motion.Such as
Shown in Figure of description Fig. 3, due to the movement tendency that Water seeks its own level, it is clear that big on the upstream static pressure F of helical blade upper surface
Under downstream static pressure F, F it is upper under F between resultant force F close there are the component of both direction, i.e. F1And F2, F1For perpendicular to center
The axial power of axis 3, will form torque and central axis 3, auger impeller 4 is driven to rotate, F2Being parallel to central axis 3 cannot axially form
Torque, to not have the effect for driving central axis 3, auger impeller 4 to rotate, the component F that resultant force F is closed1For driving central axis
3, auger impeller 4 rotates.In F1It rotates, and then drives with driving central axis 3, auger impeller 4 under the collective effect of water impact
Generator 1 generates electricity.
The central axis 3 includes hollow shaft 7 and solid spindle 8, and the solid spindle 8 is located at 7 both ends of hollow shaft, the strand
Imperial impeller 4 is coiled in 7 periphery of hollow shaft.3 shaft part of central axis that auger impeller 4 coils is hollow shaft 7, hollow shaft 7 and auger leaf
Wheel 4 is all made of the production of vinyl esters new material, significantly reduces 4 weight of hollow shaft 7 and auger impeller, reduces material cost；
Solid spindle 8 is as transmission connection axis, so metal shaft is set by solid spindle 8, to increase its service life；Outer cylinder 2
Also it is made of vinyl esters material, to reduce the weight of whole device.
The solid spindle 8 is matched with rolling bearing units 5, the 7 diameter d of hollow shaftmWith the ratio of 2 diameter d of outer cylinder
dm/ d=0.2~0.5；Ratio P/d=0.6~1.2 of pitch P and 2 diameter d of outer cylinder between adjacent two sections of helical blades；
Ratio L/d=2~5 of 4 helix length of auger impeller and 2 diameter d of outer cylinder；2 inclination angle beta=18 °~32 ° of outer cylinder.Through
It crosses repetition test to learn, 1 group of generator of generating efficiency is best in above-mentioned ratio range.
It further include downstream pedestal 9, the downstream pedestal 9 is fixed on downstream water channel bottom, and downstream pedestal 9 can play device
To certain support protective effect, and the downstream pedestal 9 is equipped with bottom bearings 10, sets in the bottom bearings 10
There are thrust bearing 11 and rolling bearing 12, the 8 end shaft end of solid spindle in downstream and thrust bearing 11 and rolling bearing 12 match
It closes, thrust bearing 11 can play a supporting role to the shaft shoulder of 3 bottom of central axis, and the setting of rolling bearing 12 can make central axis
3 rotations are more steady to stablize, and the thrust bearing 11 and rolling bearing 12 pass through seal washer 13 and be sealingly disposed in bottom bearing
The inner cavity of seat 10, seal washer 13 can play good sealing function.
It further include the supporting beam 14 being fixed between water channel two sidewalls, the supporting beam 14 is equipped with top bearing block
15, the 8 end shaft end of solid spindle of upstream is matched with the bearing in top bearing block 15.
The transmission mechanism is tape handler, and the tape handler includes big belt wheel 16, small pulley 17 and belt 18,
8 end of solid spindle of upstream is arranged in the big belt wheel 16, is passed between the big belt wheel 16 and small pulley 17 by belt 18
Dynamic, the small pulley 17 is connect by connecting shaft 19 with 1 rotating shaft transmission of generator.The optimum speed of 1 rotor shaft of generator
Generally at 500 turns or more, it is therefore desirable to install speed change gear additional.Usual manner is using gear shift, it is known that gear shift
Low efficiency, loss it is big.The present apparatus carries out speed change using 18 transmission mechanism of belt, by the way that big belt wheel 16 and small pulley is rationally arranged
Transmission ratio between 17 realizes speed change.
The connection shaft 19 connecting with small pulley 17 is equipped with bearing spider 20, the bearing spider far from 1 one end of generator
20 fixed settings are on the ground.The generator 1 is permanent magnet generator, is rare-earth permanent magnet rotor in the permanent magnet generator,
The rare-earth permanent magnet rotor is magnetized using the Halbach mode of magnetizing.Currently used hydroelectric generator is all made of excitation
Asynchronous generator, low efficiency.The present apparatus uses magneto alternator, in order to improve generating efficiency, permanent magnetism in the prior art
It is made of in generator eight rare-earth permanent magnet rotors, magnetizing direction as shown in Figure of description Fig. 6, adopt by rare-earth permanent magnet rotor
It is magnetized with the Halbach mode of magnetizing, which can be generated perfect sinusoidal air-gap field and is distributed, while field weakening
Side flux density is very low, reduces leakage field, reduces iron loss, improves generating efficiency.
The both ends of the outer cylinder 2 are equipped with filter screen 21, and the outside face of the outer cylinder 2 is equipped with fixed ear 24.By setting
It sets filter screen 21 and can be avoided the water bodys animals such as water plant, sundries, fish in water channel and enter in outer cylinder 2, ensure that outer circle
There is no compared with bigger material in cylinder 2, water plant, sundries, fish etc. is avoided to wind accumulation in outer cylinder 2.Fixed ear 24 is convenient for water
Turbine installation is installed on cement water channel two sides.
4 outer circle of auger impeller is equipped with rubber flange collar 22.The setting of rubber flange collar 22 can make 4 outer circle of auger impeller not
It is sharp again, it avoids the biology such as small fish shrimp from entering in outer cylinder 2 through filter screen 21, is hurt by sharp 4 outer circle of auger impeller
Evil.
The generator 1 is connected with frequency conversion stable-pressure device 23, and the fixed setting of frequency conversion stable-pressure device 23 is on the ground.By
In the influence of hydroelectric generation water flow variation, it is easy to cause power generation output voltage, frequency unstable, the present apparatus increases frequency conversion thus
Stable-pressure device 23, voltage stabilization is exported, can directly electricity consumption or grid-connected.
Embodiment:
Described in the utility model is a kind of ultra low head power generation unit, and main structure includes water turbine equipment assembly, transmission
Mechanism and generator 1；The water turbine equipment assembly includes outer cylinder 2, central axis 3, auger impeller 4, and the outer cylinder 2 is also adopted
It is made of vinyl esters material, 2 both ends of outer cylinder are equipped with rolling bearing units 5, and the rolling bearing units 5 are fixed on by hack lever 6
2 both ends of outer cylinder, the auger impeller 4 are made of multistage helical blade, multistage helical blade is overall structure, and are welded in
3 outer wall of mandrel, the auger impeller 4 are coiled in 3 periphery of central axis, and the rolling bearing units 5 are matched with central axis 3, the hair
Motor 1 is permanent magnet generator, is rare-earth permanent magnet rotor in the permanent magnet generator, and the rare-earth permanent magnet rotor uses
The Halbach mode of magnetizing magnetizes.The central axis 3 is sequentially connected by the rotor shaft of transmission mechanism and generator 1.Institute
Stating central axis 3 includes hollow shaft 7 and solid spindle 8, and the solid spindle 8 is located at 7 both ends of hollow shaft, 4 disk of auger impeller
It is wound on 7 periphery of hollow shaft, hollow shaft 7 and auger impeller 4 are all made of the production of vinyl esters new material, and solid spindle 8 is as transmission
Connecting shaft, so setting metal shaft for solid spindle 8.The solid spindle 8 is matched with rolling bearing units 5, the hollow shaft 7
Diameter dmWith the ratio d of 2 diameter d of outer cylinderm/ d=0.2~0.5, the present embodiment value 0.5；Between adjacent two sections of helical blades
Pitch P and 2 diameter d of outer cylinder ratio P/d=0.6~1.2, the present embodiment value 0.8；4 helix length of auger impeller with
Ratio L/d=2~5 of 2 diameter d of outer cylinder, the present embodiment value 5；2 inclination angle beta=18 °~32 ° of outer cylinder, the present embodiment
25 ° of value.
The present apparatus further includes downstream pedestal 9, and the downstream pedestal 9 is fixed on downstream water channel bottom, on the downstream pedestal 9
Equipped with bottom bearings 10, thrust bearing 11 and rolling bearing 12, the solid spindle 8 in downstream are equipped in the bottom bearings 10
End shaft end is matched with thrust bearing 11 and rolling bearing 12, and the thrust bearing 11 and rolling bearing 12 pass through seal washer
13 are sealingly disposed in the inner cavity of bottom bearings 10.It further include the supporting beam 14 being fixed between water channel two sidewalls, it is described
Supporting beam 14 is equipped with top bearing block 15, and the 8 end shaft end of solid spindle of upstream and the bearing in top bearing block 15 match
It closes.The transmission mechanism is tape handler, and the tape handler includes big belt wheel 16, small pulley 17 and belt 18, described
8 end of solid spindle of upstream is arranged in big belt wheel 16, is driven between the big belt wheel 16 and small pulley 17 by belt 18, institute
It states small pulley 17 and is connect by connecting shaft 19 with 1 rotating shaft transmission of generator.The connection shaft 19 connecting with small pulley 17 is separate
1 one end of generator is equipped with bearing spider 20, and the fixed setting of bearing spider 20 is on the ground.The both ends of the outer cylinder 2 are set
There is filter screen 21, the outside face of the outer cylinder 2 is equipped with fixed ear 24.4 outer circle of auger impeller is equipped with rubber flange collar 22.Institute
It states generator 1 to be connected with frequency conversion stable-pressure device 23, the fixed setting of frequency conversion stable-pressure device 23 is on the ground.
Claims (10)
1. a kind of ultra low head power generation unit, it is characterised in that: including water turbine equipment assembly, transmission mechanism and generator (1)；
The water turbine equipment assembly includes outer cylinder (2), central axis (3), auger impeller (4), and outer cylinder (2) both ends are equipped with band
Seat bearing (5), the rolling bearing units (5) are fixed on outer cylinder (2) both ends by hack lever (6), and the auger impeller (4) is by multistage
Helical blade composition, multistage helical blade is overall structure, and is welded in central axis (3) outer wall, auger impeller (4) coiling
In central axis (3) periphery, the rolling bearing units (5) match with central axis (3), the central axis (3) by transmission mechanism and
The rotor shaft of generator (1) is sequentially connected.
2. a kind of ultra low head power generation unit according to claim 1, it is characterised in that: the central axis (3) includes hollow
Axis (7) and solid spindle (8), the solid spindle (8) are located at hollow shaft (7) both ends, and the auger impeller (4) is coiled in hollow
Axis (7) periphery.
3. a kind of ultra low head power generation unit according to claim 2, it is characterised in that: the solid spindle (8) with usher to seat
Bearing (5) matches, hollow shaft (7) the diameter dmWith the ratio d of outer cylinder (2) diameter dm/ d=0.2~0.5；Adjacent two sections
Ratio P/d=0.6~1.2 of pitch P and outer cylinder (2) diameter d between helical blade；Auger impeller (4) helix length with
Ratio L/d=2~5 of outer cylinder (2) diameter d；Outer cylinder (2) inclination angle beta=18 °~32 °.
4. a kind of ultra low head power generation unit according to claim 2, it is characterised in that: it further include downstream pedestal (9), it is described
Downstream pedestal (9) is fixed on downstream water channel bottom, and the downstream pedestal (9) is equipped with bottom bearings (10), the bottom axis
It holds and is equipped with thrust bearing (11) and rolling bearing (12), solid spindle (8) the end shaft end in downstream and thrust bearing in seat (10)
(11) it is matched with rolling bearing (12), the thrust bearing (11) and rolling bearing (12) are set by seal washer (13) sealing
Set the inner cavity in bottom bearings (10).
5. a kind of ultra low head power generation unit according to claim 4, it is characterised in that: further include being fixed at water channel two
Supporting beam (14) between side wall, the supporting beam (14) are equipped with top bearing block (15), solid spindle (8) end of upstream
Shaft end is matched with the bearing in top bearing block (15).
6. a kind of ultra low head power generation unit according to claim 1, it is characterised in that: the transmission mechanism is V belt translation machine
Structure, the tape handler include big belt wheel (16), small pulley (17) and belt (18), and the big belt wheel (16) is arranged in upstream
Solid spindle (8) end, between the big belt wheel (16) and small pulley (17) by belt (18) be driven, the small pulley
(17) it is connect by connecting shaft (19) with generator (1) rotating shaft transmission.
7. a kind of ultra low head power generation unit according to claim 6, it is characterised in that: the connection being connect with small pulley (17)
Shaft (19) is equipped with bearing spider (20) far from generator (1) one end, and the bearing spider (20) is fixedly installed on the ground, institute
Stating generator (1) is permanent magnet generator, is rare-earth permanent magnet rotor in the permanent magnet generator, the rare-earth permanent magnet rotor is adopted
It is magnetized with the Halbach mode of magnetizing.
8. a kind of ultra low head power generation unit according to claim 1, it is characterised in that: the both ends of the outer cylinder (2) are set
Have filter screen (21), the outside face of the outer cylinder (2) is equipped with fixed ear (24).
9. a kind of ultra low head power generation unit according to claim 1, it is characterised in that: auger impeller (4) outer circle is set
There are rubber flange collar (22).
10. a kind of ultra low head power generation unit according to claim 1, it is characterised in that: the generator (1) and frequency conversion are steady
Pressure device (23) is connected, and frequency conversion stable-pressure device (23) fixed setting is on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821212565.6U CN208518810U (en) | 2018-07-27 | 2018-07-27 | A kind of ultra low head power generation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821212565.6U CN208518810U (en) | 2018-07-27 | 2018-07-27 | A kind of ultra low head power generation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208518810U true CN208518810U (en) | 2019-02-19 |
Family
ID=65333228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821212565.6U Active CN208518810U (en) | 2018-07-27 | 2018-07-27 | A kind of ultra low head power generation unit |
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| CN (1) | CN208518810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869154A (en) * | 2018-07-27 | 2018-11-23 | 顾亚梅 | A kind of ultra low head power generation unit |
| CN111365202A (en) * | 2020-03-17 | 2020-07-03 | 柯思妤 | Heat engine power generation device with combined action of solar energy and terrestrial heat |
-
2018
- 2018-07-27 CN CN201821212565.6U patent/CN208518810U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869154A (en) * | 2018-07-27 | 2018-11-23 | 顾亚梅 | A kind of ultra low head power generation unit |
| CN111365202A (en) * | 2020-03-17 | 2020-07-03 | 柯思妤 | Heat engine power generation device with combined action of solar energy and terrestrial heat |
| CN111365202B (en) * | 2020-03-17 | 2021-02-09 | 钱小英 | Heat engine power generation device with combined action of solar energy and terrestrial heat |
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