CN111894785A - Self-adjusting ocean current power generation device - Google Patents
Self-adjusting ocean current power generation device Download PDFInfo
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- CN111894785A CN111894785A CN202010774724.7A CN202010774724A CN111894785A CN 111894785 A CN111894785 A CN 111894785A CN 202010774724 A CN202010774724 A CN 202010774724A CN 111894785 A CN111894785 A CN 111894785A
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- ocean current
- current generator
- groove
- sliding rod
- oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/22—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements to drive a motor or turbine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/002—Injecting air or other fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
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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
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a self-adjusting ocean current power generation device which comprises an ocean current generator, a flow guide mechanism, a rotating shaft, an impeller, a bearing, an oil injection mechanism, a sliding rod, a filter screen, a compression spring, an oil injection groove, a through groove, a guide groove and an oil storage mechanism. The invention has the beneficial effects that: impeller through a plurality of spiral distributions, thereby be favorable to making the direction change of ocean current generator and ocean current swing, reached and carried out the effect of automatically regulated ocean current generator direction according to the direction of ocean current, it is higher to make ocean current generator efficiency, make the impeller drive the pivot rotation under the effect of ocean current simultaneously, when the pivot rotates, can contradict the slide bar in addition a bit lateral wall under inside curved effect, thereby make the slide bar in the inside activity repeatedly of ocean current generator one end, make logical groove hide the jam, it carries out the indirectness lubrication to ocean current generator inside through the guide slot to extrude lubricating oil simultaneously, ocean current generator's life extension has been ensured.
Description
Technical Field
The invention relates to an ocean current power generation device, in particular to a self-adjusting ocean current power generation device, and belongs to the technical field of ocean current power generation.
Background
The ocean current power generation method converts ocean current energy into electric energy, wherein a part of seawater flows towards a certain direction to form ocean current in the ocean except for the fluctuation of tidal water and the fluctuation of waves, the difference between the wind power and the seawater density is the main reason for generating the ocean current, the ocean current caused by continuously blowing directional wind to the sea surface is called wind ocean current, the ocean current generated due to the difference between the seawater densities is called density current, the ocean current energy is the kinetic energy of the flowing seawater, the impact force of the ocean current makes a water turbine rotate, and then the ocean current power generation is converted into high speed to drive a generator to generate power.
In order to make the ocean current generator automatically adjust and change according to the direction of ocean current, the prior patent numbers are: 201310479983.7A self-adjusting ocean current generator, when adjusting the ocean current generator, the tail wing at one end of the device has a single functional structure, although the device plays a role of diversion, the ocean current generator is in the sea bottom for a long time, if the lubrication effect is not good, the service life of the ocean current generator is easy to be reduced or the ocean current generator is easy to be damaged.
Disclosure of Invention
The invention aims to solve the problems, and provides a self-adjusting ocean current power generation device which can well play a role in guiding flow, is convenient and indirect to fill oil and lubricate the interior of an ocean current generator, and prolongs the service life of the ocean current generator.
The invention achieves the aim through the following technical scheme, and the self-adjusting ocean current power generation device comprises an ocean current generator and a flow guide mechanism arranged at one end of the ocean current generator, wherein the flow guide mechanism comprises a rotating shaft, an impeller and a bearing, and the rotating shaft is rotatably connected with one end of the ocean current generator through the bearing; the impeller is spirally distributed, the oil injection mechanism is arranged in the rotating shaft and comprises a sliding rod, a filter screen, a compression spring, an oil injection groove, a through groove and a guide groove, the sliding rod is arranged in one end of the ocean current generator, and the sliding rod is connected with the inside of one end of the ocean current generator in a sliding manner; the oil injection groove is formed in the sliding rod, the compression spring is mounted on the outer side of one end of the sliding rod, and the plurality of through grooves are formed in the outer side of one end of the sliding rod; one end of the guide groove extends to the outer side of one end of the compression spring, and the oil filling groove is communicated with the guide groove through the through groove; the filter screen is installed in the center department outside of slide bar, the filter screen with the inside intercommunication of oiling groove, just ocean current generator's one end internally mounted has the oil storage mechanism.
Preferably, in order to enable the sliding rod to reset, so as to achieve the effect of repeated sliding, the oil injection mechanism further comprises a reset spring, the other end of the sliding rod is of a hexagonal prism structure, the reset spring is mounted on the outer side of the other end of the sliding rod, and the side wall of the other end of the sliding rod is of an arc structure.
Preferably, in order to make it is right when the pivot rotates the other end lateral wall of slide bar is contradicted, the one end inboard of pivot is the arc structure, just the one end of pivot inside with the other end lateral wall of slide bar is contradicted, the pivot with the other end of slide bar is rotated and is connected.
Preferably, in order to guide the lubricating oil into the interior of the ocean current generator for lubrication, the oil injection mechanism further comprises an oil outlet groove, the oil outlet groove is formed in one end of the ocean current generator, one end of the oil outlet groove is communicated with the other end of the guide groove, and the other end of the oil outlet groove is communicated with the interior of the ocean current generator.
Preferably, in order to increase the air tightness and improve the sealing performance, the oil injection mechanism further comprises a plug, the plug is of a cylindrical structure, the plug is connected with the side wall of one end of the sliding rod, and the plug is connected with the inside of the ocean current generator in a sliding mode through the sliding rod.
Preferably, in order to deposit lubricating oil, oil storage mechanism includes the oil storage tank, the oil storage tank is located inside the one end of ocean current generator, just the oil storage tank passes through the filter screen with the inside intercommunication of oiling groove.
Preferably, for the convenience right the inside oiling that carries out of oil storage tank, oil storage mechanism still includes the oil feed tank, the oil feed tank is located inside ocean current generator's one end, just the one end of oil feed tank with the inside intercommunication of oil storage tank, the other end of oil feed tank with ocean current generator's inside intercommunication.
The invention has the beneficial effects that: the invention has the advantages that the impeller is spirally distributed, so that the ocean current generator and the direction change of the ocean current can swing, the effect of automatically adjusting the direction of the ocean current generator according to the direction of the ocean current is achieved, the efficiency of the ocean current generator is higher, meanwhile, the impeller drives the rotating shaft to rotate under the effect of the ocean current, when the rotating shaft rotates, the side wall of the other point of the sliding rod is abutted under the action of an internal arc, so that the sliding rod repeatedly moves in one end of the ocean current generator, the through groove is hidden and blocked, meanwhile, the lubricating oil is extruded to indirectly lubricate the inside of the ocean current generator through the guide groove, and the service life of the ocean current generator is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connection structure between the ocean current generator and the diversion mechanism shown in FIG. 1;
fig. 3 is an enlarged view of the portion a shown in fig. 2.
In the figure: 1. the ocean current generator comprises an ocean current generator 2, a diversion mechanism 21, a rotating shaft 22, an impeller 23, a bearing 3, an oil injection mechanism 31, a sliding rod 32, a return spring 33, an oil outlet groove 34, a leather plug 35, a filter screen 36, a compression spring 37, an oil injection groove 38, a through groove 39, a guide groove 4, an oil storage mechanism 41, an oil storage groove 42 and an oil inlet groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a self-adjusting ocean current power generation apparatus includes an ocean current generator 1 and a diversion mechanism 2 installed at one end of the ocean current generator 1, where the diversion mechanism 2 includes a rotating shaft 21, an impeller 22 and a bearing 23, and the rotating shaft 21 is rotatably connected with one end of the ocean current generator 1 through the bearing 23; the impeller 22 which is spirally distributed is installed on the outer side of the rotating shaft 21, the oiling mechanism 3 is installed inside the rotating shaft 21, the oiling mechanism 3 comprises a sliding rod 31, a filter screen 35, a compression spring 36, an oiling groove 37, a through groove 38 and a guide groove 39, the sliding rod 31 is arranged inside one end of the ocean current generator 1, and the sliding rod 31 is connected with the inside of one end of the ocean current generator 1 in a sliding manner; the oil injection groove 37 is formed in the slide rod 31, the compression spring 36 is mounted on the outer side of one end of the slide rod 31, and the through grooves 38 are formed in the outer side of one end of the slide rod 31; one end of the guide groove 39 extends to the outside of one end of the compression spring 36, and the oil reservoir 37 communicates with the guide groove 39 through the through groove 38; install the center department outside of slide bar 31 filter screen 35, filter screen 35 with the inside intercommunication of oiling groove 37, just one end internally mounted of ocean current generator 1 has oil storage mechanism 4.
As a technical optimization scheme of the present invention, the oil injection mechanism 3 further includes a return spring 32, the other end of the slide rod 31 is of a hexagonal prism structure, the return spring 32 is installed on the outer side of the other end of the slide rod 31, and the side wall of the other end of the slide rod 31 is of an arc structure.
As a technical optimization scheme of the present invention, the inner side of one end of the rotating shaft 21 is an arc-shaped structure, the inner part of one end of the rotating shaft 21 abuts against the side wall of the other end of the sliding rod 31, and the rotating shaft 21 is rotatably connected with the other end of the sliding rod 31.
As a technical optimization scheme of the present invention, the oil injection mechanism 3 further includes an oil outlet groove 33, the oil outlet groove 33 is disposed inside one end of the ocean current generator 1, one end of the oil outlet groove 33 is communicated with the other end of the guide groove 39, and the other end of the oil outlet groove 33 is communicated with the inside of the ocean current generator 1.
As a technical optimization scheme of the present invention, the oil injection mechanism 3 further includes a plug 34, the plug 34 is a cylindrical structure, the plug 34 is connected to a side wall of one end of the sliding rod 31, and the plug 34 is slidably connected to the inside of the ocean current generator 1 through the sliding rod 31.
As a technical optimization scheme of the present invention, the oil storage mechanism 4 includes an oil storage tank 41, the oil storage tank 41 is disposed inside one end of the ocean current generator 1, and the oil storage tank 41 is communicated with the inside of the oil tank 37 through the filter screen 35.
As a technical optimization scheme of the present invention, the oil storage mechanism 4 further includes an oil inlet tank 42, the oil inlet tank 42 is disposed inside one end of the ocean current generator 1, one end of the oil inlet tank 42 is communicated with the inside of the oil storage tank 41, and the other end of the oil inlet tank 42 is communicated with the inside of the ocean current generator 1.
When the invention is used, firstly, the rotating shaft 21 is rotatably connected with the outer side of one end of the ocean current generator 1, and the direction change of the ocean current generator 1 and the ocean current is favorably swung through the plurality of impellers 22 which are spirally distributed, so that the effect of automatically adjusting the direction of the ocean current generator 1 according to the direction of the ocean current is achieved, the efficiency of the ocean current generator 1 is higher, meanwhile, the impeller 22 drives the rotating shaft 21 to rotate under the action of the ocean current, when the rotating shaft 21 rotates, the other point side wall of the sliding rod 31 is propped under the action of an inner arc, so that the sliding rod 31 is free from repeated movement in one end of the ocean current generator 1 under the action of the reset spring 32, meanwhile, the lubricating oil in the oil storage tank 41 enters the outer side of one end of the sliding rod 31 through the oil injection tank 37 and the through groove 38 to be stored, when the sliding rod 31 moves, the through groove 38 is hidden and blocked, and meanwhile, the lubricating, the life extension of ocean current generator 1 has been ensured, installs the piston simultaneously at the one end lateral wall of slide bar 31, has played the effect of leakproofness, makes the entering that lubricating oil can be better, can not reveal, simultaneously through ocean current generator 1 inside oil feed tank 42 to the convenience refuels to oil storage tank 41 inside, ensures the sufficient of lubricating oil.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a self-interacting ocean current power generation facility, includes ocean current generator (1) and install in water conservancy diversion mechanism (2) of ocean current generator (1) one end which characterized in that: the flow guide mechanism (2) comprises a rotating shaft (21), an impeller (22) and a bearing (23), and the rotating shaft (21) is rotatably connected with one end of the ocean current generator (1) through the bearing (23); the impeller (22) which is spirally distributed is installed on the outer side of the rotating shaft (21), the oiling mechanism (3) is installed inside the rotating shaft (21), the oiling mechanism (3) comprises a sliding rod (31), a filter screen (35), a compression spring (36), an oiling groove (37), a through groove (38) and a guide groove (39), the sliding rod (31) is arranged inside one end of the ocean current generator (1), and the sliding rod (31) is connected with one end of the ocean current generator (1) in a sliding mode; the oil filling groove (37) is formed in the sliding rod (31), the compression spring (36) is mounted on the outer side of one end of the sliding rod (31), and the through grooves (38) are formed in the outer side of one end of the sliding rod (31); one end of the guide groove (39) extends to the outer side of one end of the compression spring (36), and the oil filling groove (37) is communicated with the guide groove (39) through the through groove (38); install in the center department outside of slide bar (31) filter screen (35), filter screen (35) with oiling groove (37) inside intercommunication, just one end internally mounted of ocean current generator (1) has oil storage mechanism (4).
2. A self-regulating ocean current power plant according to claim 1, wherein: the oiling mechanism (3) further comprises a return spring (32), the other end of the sliding rod (31) is of a hexagonal prism structure, the return spring (32) is installed on the outer side of the other end of the sliding rod (31), and the side wall of the other end of the sliding rod (31) is of an arc-shaped structure.
3. A self-regulating ocean current power plant according to claim 1, wherein: the one end inboard of pivot (21) is the arc structure, just the one end of pivot (21) inside with the other end lateral wall of slide bar (31) is contradicted, pivot (21) with the other end of slide bar (31) is rotated and is connected.
4. A self-regulating ocean current power plant according to claim 1, wherein: oiling mechanism (3) still includes oil outlet groove (33), just oil outlet groove (33) are located inside the one end of ocean current generator (1), the one end of oil outlet groove (33) with the guide slot (39) other end intercommunication, the other end of oil outlet groove (33) with ocean current generator (1) inside intercommunication.
5. A self-regulating ocean current power plant according to claim 1, wherein: the oiling mechanism (3) further comprises a leather plug (34), the leather plug (34) is of a cylindrical structure, the leather plug (34) is connected with the side wall of one end of the sliding rod (31), and the leather plug (34) is connected with the interior of the ocean current generator (1) in a sliding mode through the sliding rod (31).
6. A self-regulating ocean current power plant according to claim 1, wherein: oil storage mechanism (4) include oil storage tank (41), oil storage tank (41) are located inside the one end of ocean current generator (1), just oil storage tank (41) pass through filter screen (35) with the inside intercommunication of oiling groove (37).
7. A self-regulating ocean current power plant according to claim 6, wherein: oil storage mechanism (4) still include oil feed tank (42), oil feed tank (42) are located inside the one end of ocean current generator (1), just the one end of oil feed tank (42) with the inside intercommunication of oil storage tank (41), the other end of oil feed tank (42) with the inside intercommunication of ocean current generator (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010774724.7A CN111894785B (en) | 2020-08-04 | 2020-08-04 | Self-adjusting ocean current power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010774724.7A CN111894785B (en) | 2020-08-04 | 2020-08-04 | Self-adjusting ocean current power generation device |
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| Publication Number | Publication Date |
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| CN111894785A true CN111894785A (en) | 2020-11-06 |
| CN111894785B CN111894785B (en) | 2022-05-10 |
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| CN202010774724.7A Active CN111894785B (en) | 2020-08-04 | 2020-08-04 | Self-adjusting ocean current power generation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924717A (en) * | 2021-02-02 | 2021-06-08 | 山东交通学院 | Wind direction recognition device for rescue at sea |
| CN114087344A (en) * | 2021-11-19 | 2022-02-25 | 广东华于科技股份有限公司 | Oil seal seat for output shaft |
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| CN101680417A (en) * | 2006-11-06 | 2010-03-24 | 费尔南多·格雷西亚洛佩兹 | Dynamic fluid energy conversion system and method of use |
| US20130277980A1 (en) * | 2010-11-25 | 2013-10-24 | Kawasaki Jukogyo Kabushiki Kaisha | Water flow electricity generating device |
| CN103470434A (en) * | 2013-10-15 | 2013-12-25 | 东南大学 | Ocean current power generation device with self-regulating function |
| CN104428545A (en) * | 2012-07-05 | 2015-03-18 | 米内斯图股份公司 | Arrangement for a self-lubricating bearing |
| CN105065189A (en) * | 2015-07-31 | 2015-11-18 | 中国海洋石油总公司 | Self-counter flow type horizontal shaft tidal current energy power generation device |
| CN105736233A (en) * | 2016-05-12 | 2016-07-06 | 于传祖 | Tidal current energy power generator |
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2020
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| CN101680417A (en) * | 2006-11-06 | 2010-03-24 | 费尔南多·格雷西亚洛佩兹 | Dynamic fluid energy conversion system and method of use |
| US20130277980A1 (en) * | 2010-11-25 | 2013-10-24 | Kawasaki Jukogyo Kabushiki Kaisha | Water flow electricity generating device |
| CN104428545A (en) * | 2012-07-05 | 2015-03-18 | 米内斯图股份公司 | Arrangement for a self-lubricating bearing |
| CN103470434A (en) * | 2013-10-15 | 2013-12-25 | 东南大学 | Ocean current power generation device with self-regulating function |
| CN105065189A (en) * | 2015-07-31 | 2015-11-18 | 中国海洋石油总公司 | Self-counter flow type horizontal shaft tidal current energy power generation device |
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| CN112924717A (en) * | 2021-02-02 | 2021-06-08 | 山东交通学院 | Wind direction recognition device for rescue at sea |
| CN114087344A (en) * | 2021-11-19 | 2022-02-25 | 广东华于科技股份有限公司 | Oil seal seat for output shaft |
| CN114087344B (en) * | 2021-11-19 | 2023-09-01 | 广东华于科技股份有限公司 | Oil seal seat for output shaft |
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| CN111894785B (en) | 2022-05-10 |
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Effective date of registration: 20220420 Address after: No. 10, Yingbin Avenue, Dongtai Economic Development Zone, Yancheng City, Jiangsu Province Applicant after: DONGTAI GAOKE TECHNOLOGY INNOVATION PARK Co.,Ltd. Address before: 250000 Taixin new energy, building 1, 15612 Century Avenue, Lixia District, Jinan City, Shandong Province Applicant before: Guo Yongjun |
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Effective date of registration: 20230712 Address after: 224200 central Europe Industrial Park, Jingba Road, Dongtai Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Jiangsu wanchenda Energy Technology Co.,Ltd. Address before: No. 10, Yingbin Avenue, Dongtai Economic Development Zone, Yancheng City, Jiangsu Province Patentee before: DONGTAI GAOKE TECHNOLOGY INNOVATION PARK Co.,Ltd. |