CN213574446U - Tidal current energy power generation device with large impeller and small impeller on same side - Google Patents
Tidal current energy power generation device with large impeller and small impeller on same side Download PDFInfo
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- CN213574446U CN213574446U CN202021875145.3U CN202021875145U CN213574446U CN 213574446 U CN213574446 U CN 213574446U CN 202021875145 U CN202021875145 U CN 202021875145U CN 213574446 U CN213574446 U CN 213574446U
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The utility model is suitable for the technical field of tidal current energy power generation, and provides a tidal current energy power generation device with large and small impellers at the same side, a through hole is arranged on the side wall of the power generation device box body far away from the power generator, a main shaft is arranged in the through hole, a small impeller hub is fixedly connected on the side wall of the main shaft far away from the large impeller hub through a bolt, a plurality of large impellers and small impellers are respectively arranged on the peripheral walls of the large impeller hub and the small impeller hub, a diversion cover is fixedly connected on the side wall of the small impeller hub far away from the large impeller hub, the utilization area of tidal current energy is increased by the configuration of the large impeller, the tidal current passing through the power generation device is utilized as much as possible, and the tidal current rectified by the small impeller is secondarily utilized, so that the utilization efficiency of tidal current energy is improved, and the impact of the tidal current on the power generation device is, the water flow impact cavitation of the large impeller is reduced, and the service life of the large impeller, the large impeller hub and the like is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the trend can electricity generation, especially, relate to a big, little impeller is at trend energy power generation facility of homonymy.
Background
Tidal current energy is kinetic energy generated by seawater flow, mainly refers to energy generated by relatively stable flow in a submarine water channel and a strait and regular seawater flow caused by tidal current, is renewable clean energy, and is tightly researched and developed in various countries.
The conventional tidal current energy power generation device mainly has a vertical shaft type and a horizontal shaft type, the vertical shaft type is low in common efficiency, the horizontal shaft type is relatively high in efficiency, however, the diameter of a hub of a single impeller is large, so that tidal current in the area of the hub cannot be utilized, the efficiency still has a lifting space, the hub is subjected to large water flow impact due to overlarge size, the stable operation of the tidal current energy power generation device is not facilitated, and the requirement on the applied sea area is strict; the tidal current energy power generation range is narrow, the requirements on the flow speed and the flow direction of tidal current are very high, and the tidal current energy power generation device has the defect of few adaptive watersheds.
SUMMERY OF THE UTILITY MODEL
The utility model provides a big, little impeller can power generation facility at the trend of homonymy aims at providing a generating efficiency height, range of application wide, operation stable, can be to ocean current make full use of, green's big, little impeller can power generation facility at the trend of homonymy.
The utility model discloses a realize like this, a big, the trend energy power generation facility of little impeller at the homonymy, including supporting the pylon.
The top fixed mounting who supports the pylon has the power generation facility box, set up in the power generation facility box and hold the chamber, the one end that holds the intracavity passes through flange bolt fixedly connected with generator, follows the extending direction of the output of generator is provided with and is located hold the planet acceleration gear set of intracavity portion, planet acceleration gear set is close to one side central point of generator put fixed mounting have with the output of generator is located the connecting axle of same level, just the connecting axle with the output fixed connection of generator.
The utility model discloses a power generation device, including power generation device box, planetary speed-up gear set, power generation device box, through-hole, be provided with the main shaft in the through-hole, the one end of main shaft with planetary speed-up gear set keeps away from one side fixed connection of generator, the other end extends to power generation device box is external and the big impeller thick liquid hub of fixedly connected with, big impeller thick liquid hub keeps away from through bolt fixedly connected with little impeller thick liquid hub on the lateral wall of main shaft, big impeller thick liquid hub with install a plurality of big impellers and little impeller on the periphery wall of little impeller thick liquid hub respectively, little impeller thick liquid hub is kept away from fixedly connected with kuppe on the lateral wall of big impeller thick liquid hub.
Preferably, a sealing device matched with the main shaft is sleeved on the outer wall of the main shaft, and the sealing device is located on the outer side of the power generation device box body.
Preferably, a coupling is sleeved at the joint of the connecting shaft and the output end of the generator.
Preferably, a plurality of the small impeller and the large impeller are respectively arranged on the peripheral walls of the small impeller hub and the large impeller hub and are uniformly distributed, surrounded and equidistantly distributed, and each of the small impeller and the large impeller is fixedly arranged on the small impeller hub and the large impeller hub through bolts.
Preferably, the cross section of the air guide sleeve is conical.
Compared with the prior art, the beneficial effects of the utility model are that:
the tidal current energy power generation device of the utility model adopts the configuration of the large and small impeller to increase the utilization area of tidal current energy, and utilizes all tidal currents passing through the power generation device as much as possible; meanwhile, tidal current rectified by the small impeller is secondarily utilized, the utilization efficiency of tidal current energy is improved, the impact of the tidal current on the power generation device is reduced, the water flow impact cavitation of the large impeller is reduced, the service lives of the large impeller, the large impeller hub and the like are prolonged, the stability and the reliability of the power generation device are improved, the construction cost of the support tower is reduced, the range of available tidal current flow velocity is extended, the basin where the tidal current energy can be applied is expanded, and the tidal current energy utilization device has very high market prospect and application value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
in the figure: the wind guide cover is 1-a wind guide cover, the 2-small impeller hub, the 3-small impeller, the 4-large impeller, the 5-large impeller hub, the 6-sealing device, the 7-main shaft, the 8-planetary speed increasing gear set, the 9-power generation device box body, the 10-coupler, the 11-power generator and the 12-supporting tower frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
Referring to fig. 1, the present invention provides a tidal current energy power generation device with large and small impellers at the same side, which comprises a support tower 12;
the top fixed mounting who supports pylon 12 has power generation facility box 9, it holds the chamber to have seted up in the power generation facility box 9, the one end that holds the intracavity passes through flange bolt fixedly connected with generator 11, the extending direction along the output of generator 11 is provided with and is located the planet acceleration gear set 8 that holds the intracavity portion, one side central point that planet acceleration gear set 8 is close to generator 11 puts fixed mounting and is located the connecting axle of same level with generator 11's output, and the output fixed connection of connecting axle and generator 11.
The through-hole has been seted up on the lateral wall that generator 11 was kept away from to power generation facility box 9, be provided with main shaft 7 in the through-hole, one side fixed connection that generator 11 was kept away from to main shaft 7's one end and planet speed increasing gear set 8, the other end extends to power generation facility box 9 outer and big impeller thick liquid hub 5 of fixedly connected with, big impeller thick liquid hub 5 is kept away from through bolt fixedly connected with impeller thick liquid hub 2 on the lateral wall of main shaft 7, install a plurality of big impellers 4 and little impeller 3 on the periphery wall of big impeller thick liquid hub 5 and little impeller thick liquid hub 2 respectively, fixedly connected with kuppe 1 on the lateral wall that big impeller thick liquid hub 5 was kept away from to impeller thick liquid.
In the embodiment, a supporting tower 12 is fixedly arranged on the seabed for supporting the whole tidal current energy generating device, a user fixedly installs the device on the seabed through the supporting tower 12, the seabed tidal current is divided by a flow guide cover 1 and then reaches a small impeller 3 and a small impeller hub 2, the small impeller 3 and a large impeller 4 are respectively fixed with the small impeller hub 2 and the large impeller hub 5 through bolts, the flow guide cover 1 guides part of the tidal current to the small impeller 3 and drives the small impeller 3 to rotate together with the tidal current which is vertical to the front surface of the small impeller 3, the small impeller 3 transmits the rotation kinetic energy to the small impeller hub 2 through flange bolt connection, the small impeller hub 2 transmits the kinetic energy to the large impeller hub 5 through bolt connection, the large impeller 4 is driven by the tidal current which is in the front surface of the large impeller 4 and the tidal current which is rectified by the large impeller hub, the large impeller 4 transmits the rotation kinetic energy to the large impeller hub 5 through flange bolt connection, the rotary kinetic energy transmitted by the small impeller hub 2 is superposed and transmitted to the main shaft 7 together, the main shaft 7 rotates, the planetary speed-increasing gear set 8 is driven to increase speed, the rotor of the generator 11 is driven to rotate through the coupler 10 to generate electricity, the electric energy generated by the generator 11 can be collected and utilized by a user, compared with a tidal current energy generating device with a single impeller, the tidal current conversion rotary energy of the small impeller is increased, the tidal current rectified by the small impeller is secondarily utilized by the large impeller, the utilization rate is improved, the conversion efficiency of the tidal current energy is improved, meanwhile, the impact of the tidal current on the generating device is greatly reduced, part of the impact is converted into rotary energy, the generating efficiency is finally improved, the impact on the generating device is reduced, the use reliability is improved, and the applicable sea area of the device can be wider.
Referring to fig. 1, further, the outer wall of the main shaft 7 is sleeved with mutually adaptive sealing devices 6, and the sealing devices 6 are located outside the power generation device box 9 and fixedly connected with the power generation device box 9.
In the embodiment, the sealing device 6 is used for protecting the main shaft 7, preventing the main shaft 7 from being damaged due to too high tidal current flow speed and too large impact during normal operation, and influencing the normal operation of the device, and preventing seawater from entering the power generation device box 9 to corrode and damage working element elements in the power generation device box 9.
Referring to fig. 1, further, a coupling 10 is sleeved at a connection between the connection shaft and an output end of the generator 11.
In the present embodiment, the coupling 10 is a device for coupling two shafts or a shaft and a rotating member to rotate together during the process of transmitting motion and power, and does not detach from each other under normal conditions, and serves to connect the output end of the generator 11 and the connecting shaft in the present embodiment, in order to transmit the rotational kinetic energy generated by the planetary speed-increasing gear set 8 to the generator 11 through the connecting shaft, so that the generator 11 can generate electric power.
Referring to fig. 1, further, a plurality of small impeller 3 and large impeller 4 are uniformly, circumferentially and equidistantly distributed on the outer peripheral wall of the small impeller hub 2 and the large impeller hub 5, respectively, and each of the small impeller 3 and the large impeller 4 is fixedly mounted on the small impeller hub 2 and the large impeller hub 5 by bolts.
In the embodiment, a plurality of small impellers 3 are uniformly, circularly and equidistantly distributed on the small impeller hub 2, so that the small impellers can be better contacted with tide, tide drives the small impellers 3 to rotate around the small impeller hub 2, tide energy is converted into rotary kinetic energy, the small impeller hub 2 is transmitted to the large impeller hub 5, a plurality of large impellers 4 larger than the small impellers 3 are uniformly, circularly and equidistantly distributed on the large impeller hub 5, the large impeller 4 is used for converting tide energy flowing vertically and tide energy rectified by the small impellers 3 into rotary kinetic energy, and the rotary kinetic energy carried by the large impeller hub 5 and transmitted by the small impeller hub 2 is transmitted to the main shaft 7 together to be transmitted to the generator 11 for generating electric energy.
Referring to fig. 1, further, the cross section of the air guide sleeve 1 is conical.
In the embodiment, the cross section of the air guide sleeve 1 is conical, which is used for conveniently guiding the tide flowing to the device to the small impeller 3, and preventing the tide from impacting too much to damage the device and influence the normal operation of the device.
The utility model discloses a theory of operation and use flow: after the utility model is installed, a user fixedly installs the device on the seabed through a supporting tower 12, meanwhile, the front end of the device is provided with a flow guide cover 1, the flow guide cover 1 guides partial tide to a small impeller 3, the small impeller 3 is driven to rotate together with the front tide of the small impeller 3, the small impeller 3 transmits the rotation kinetic energy to a small impeller hub 2 through flange bolt connection, the small impeller hub 2 transmits the rotation kinetic energy to a large impeller hub 5 through bolt connection, the front tide of a large impeller 4 and the tide rectified by the small impeller 3 drive a large impeller 5, the large impeller 5 transmits the rotation kinetic energy to the large impeller hub 5 through flange bolt connection, the rotation kinetic energy transmitted by the small impeller hub 2 is transmitted to a main shaft 7 together, the main shaft 7 is connected with a generator 11 through a shaft coupling 10 after passing through a planetary gear speed-increasing gear set 8, so that the main shaft of the generator 11 rotates to generate electricity, the sealing device 6 is mainly used for protecting the main shaft 7 and preventing seawater corrosion at the same time, and further preventing seawater from entering the box body 9 of the power generation device to protect the normal operation of the device.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a big, the trend of little impeller in homonymy can power generation facility which characterized in that: the device comprises a supporting tower frame (12), wherein a power generation device box body (9) is fixedly mounted at the top of the supporting tower frame (12), a containing cavity is formed in the power generation device box body (9), a power generator (11) is fixedly connected to one end in the containing cavity through a flange bolt, a planetary speed-increasing gear set (8) located in the containing cavity is arranged in the extending direction of the output end of the power generator (11), a connecting shaft which is located at the same horizontal height as the output end of the power generator (11) is fixedly mounted at the center of one side, close to the power generator (11), of the planetary speed-increasing gear set (8), and the connecting shaft is fixedly connected with the output end of the power generator (11);
keep away from power generation facility box (9) the through-hole has been seted up on the lateral wall of generator (11), be provided with main shaft (7) in the through-hole, the one end of main shaft (7) with planet speed increasing gear group (8) are kept away from one side fixed connection of generator (11), the other end extends to power generation facility box (9) outer and have connected gradually big impeller thick liquid hub (5) and little impeller thick liquid hub (2), big impeller thick liquid hub (5) with install a plurality of big impeller (4) and little impeller (3) on the periphery wall of little impeller thick liquid hub (2) respectively, little impeller thick liquid hub (2) are kept away from fixedly connected with kuppe (1) on the lateral wall of big impeller thick liquid hub (5).
2. The tidal current energy power generation device with the large impeller and the small impeller on the same side as each other according to claim 1, wherein: the outer wall of the main shaft (7) is sleeved with a sealing device (6) matched with the main shaft (7), and the sealing device (6) is located on the outer side of the power generation device box body (9).
3. The tidal current energy power generation device with the large impeller and the small impeller on the same side as each other according to claim 1, wherein: the connecting shaft and the joint of the output end of the generator (11) are sleeved with a coupler (10).
4. The tidal current energy power generation device with the large impeller and the small impeller on the same side as each other according to claim 1, wherein: a plurality of little impeller (3) and big impeller (4) are in respectively be even, encircle, equidistant distribution on the periphery wall of little impeller thick liquid hub (2) and big impeller thick liquid hub (5).
5. The tidal current energy power generation device with the large impeller and the small impeller on the same side as each other according to claim 4, wherein: and each small impeller (3) and each large impeller (4) are fixedly arranged on the small impeller hub (2) and the large impeller hub (5) through bolts.
6. The tidal current energy power generation device with the large impeller and the small impeller on the same side as each other according to claim 1, wherein: the air guide sleeve (1) is conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021875145.3U CN213574446U (en) | 2020-09-01 | 2020-09-01 | Tidal current energy power generation device with large impeller and small impeller on same side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021875145.3U CN213574446U (en) | 2020-09-01 | 2020-09-01 | Tidal current energy power generation device with large impeller and small impeller on same side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213574446U true CN213574446U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021875145.3U Active CN213574446U (en) | 2020-09-01 | 2020-09-01 | Tidal current energy power generation device with large impeller and small impeller on same side |
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|---|---|
| CN (1) | CN213574446U (en) |
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- 2020-09-01 CN CN202021875145.3U patent/CN213574446U/en active Active
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