CN114313161A - Flow guide device and diving equipment - Google Patents
Flow guide device and diving equipment Download PDFInfo
- Publication number
- CN114313161A CN114313161A CN202111514279.1A CN202111514279A CN114313161A CN 114313161 A CN114313161 A CN 114313161A CN 202111514279 A CN202111514279 A CN 202111514279A CN 114313161 A CN114313161 A CN 114313161A
- Authority
- CN
- China
- Prior art keywords
- flow
- flow guide
- water
- propeller
- water outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/02—Divers' equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/28—Other means for improving propeller efficiency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
- B63H5/15—Nozzles, e.g. Kort-type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Hydraulic Turbines (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a flow guide device and diving equipment, wherein the flow guide device is used for diving equipment, the diving equipment comprises a propeller main body and a duct propeller, the flow guide device is arranged between the propeller main body and the duct propeller, the flow guide device is provided with a water inlet end and a water outlet end, the water inlet end is arranged at one side of the flow guide device close to the propeller main body, the water outlet end is arranged at one side of the flow guide device close to the duct propeller, the water inlet end is communicated with the water outlet end and is provided with a water flow channel, a first flow guide structure is arranged between the water inlet end and the water outlet end, the first flow guide structure is provided with a first flow guide surface, the first flow guide surface is arranged in an arc shape and is used for guiding water flow to the duct propeller, so that the technical problems of excessive energy loss and unstable flow when the water flow enters the duct propeller are solved through the flow guide device to the duct propeller, the effect of reducing energy loss and improving the working efficiency of the ducted propeller of the diving equipment is achieved.
Description
Technical Field
The invention relates to the technical field of diving equipment, in particular to a flow guide device and diving equipment.
Background
Ducted propellers refer to a propeller system surrounded by a duct, have high aerodynamic efficiency, have the advantages of low aerodynamic noise, high safety and the like, and have been widely used in the field of diving equipment.
At present, ducted propellers are mainly divided into two types of straight-through drainage and special-design-free open-hole drainage, the straight-through drainage is not suitable for ducted propeller systems with front power systems and compact structures, and the special-design-free open-hole drainage causes the situations of fluid adhesion and turbulence, and the like, so that the working efficiency of the ducted propeller systems is low.
Disclosure of Invention
The invention mainly aims to provide a flow guide device and diving equipment, and aims to improve the flow field condition of ducted drainage and improve the efficiency of a ducted propeller.
In order to achieve the above purpose, the diversion device provided by the present invention is used for diving equipment, the diving equipment includes a propeller main body and a ducted propeller, the diversion device is arranged between the propeller main body and the ducted propeller, the diversion device is provided with a water inlet end and a water outlet end, the water inlet end is arranged at one side of the diversion device close to the propeller main body, the water outlet end is arranged at one side of the diversion device close to the ducted propeller, the water inlet end is communicated with the water outlet end and forms a water flow channel, wherein a first diversion structure is arranged between the water inlet end and the water outlet end, the first diversion structure is provided with a first diversion surface, the first diversion surface is arranged in an arc shape, and the first diversion surface is used for guiding water flow to the ducted propeller.
Optionally, the first flow guiding structure is annularly arranged, and the inner diameter of the first flow guiding structure gradually decreases from the water inlet end to the water outlet end.
Optionally, the diversion device includes a first diversion member and a connection ring, the first diversion member is located between the water inlet end and the water outlet end and connected to the propeller body, the first diversion structure is disposed on the first diversion member, and the connection ring is connected to the ducted propeller and connected to the first diversion member.
Optionally, one side of the first flow guide piece, which deviates from the propeller main body, is provided with a first transmission shaft through hole.
Optionally, a connection through hole is formed in one side, close to the propeller main body, of the first flow guide piece.
Optionally, a second diversion structure is further disposed between the water inlet end and the water outlet end, the second diversion structure includes a first incident flow surface and a second diversion surface, the first incident flow surface and the second diversion surface are both located between the water inlet end and the water outlet end and are arranged at an included angle, the first incident flow surface is used for keeping water flow entering a flow direction of the water inlet end, and the second diversion surface is used for guiding water flow to the water outlet end.
Optionally, the first incident flow surface and the second diversion surface are both arranged in an arc shape.
Optionally, the flow guiding device further includes a plurality of second flow guiding members, the second flow guiding structures are respectively disposed on the plurality of second flow guiding members, the plurality of second flow guiding members are connected to the first flow guiding member and connected to the connection ring, and the plurality of second flow guiding members are disposed at intervals and located between the water inlet end and the water outlet end.
Optionally, the ducted propeller includes a paddle tray and blades, the blades are spaced apart from the outer periphery of the paddle tray, the water outlet end faces the paddle tray, and the first flow guide structure is configured to guide the water flow to the paddle tray.
In order to achieve the above object, an embodiment of the present invention provides a diving device, where the diving device includes a propeller main body, a ducted propeller, and the above flow guide device, and the flow guide device is disposed between the propeller main body and the ducted propeller.
The invention relates to a flow guide device and diving equipment, wherein the flow guide device is used for diving equipment, the diving equipment comprises a propeller main body and a ducted propeller, the flow guide device is arranged between the propeller main body and the ducted propeller, the flow guide device is provided with a water inlet end and a water outlet end, the water inlet end is arranged at one side of the flow guide device close to the propeller main body, the water outlet end is arranged at one side of the flow guide device close to the ducted propeller, the water inlet end is communicated with the water outlet end and is provided with a water flow channel, a first flow guide structure is arranged between the water inlet end and the water outlet end, the first flow guide structure is provided with a first flow guide surface, the first flow guide surface is arranged in an arc shape and is used for guiding water flow to the ducted propeller, so that the technical problems of excessive energy loss and unstable flow field when the water flow enters the ducted propeller are solved by stably guiding the water flow to the ducted propeller through the flow guide device, the effect of reducing energy loss and improving the working efficiency of the ducted propeller of the diving equipment is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of the diving equipment of the present invention;
FIG. 2 is a schematic structural view of the deflector of FIG. 1;
FIG. 3 is a schematic view of the deflector of FIG. 1 at another angle;
FIG. 4 is a schematic view of the deflector of FIG. 1 at a further angle;
FIG. 5 is a schematic structural view of the second fluid guiding structure in FIG. 2;
fig. 6 is a schematic structural view of the ducted propeller of fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
91 | Second |
| 10 | Water inlet |
911 | |
| 30 | |
913 | Second flow guide surface |
| 50 | First |
300 | |
| 51 | First |
301 | Propeller |
| 511 | First |
302 | |
| 53 | First transmission shaft through |
303 | |
| 55 | Connecting through |
304 | |
| 70 | Connecting |
305 | Second transmission shaft through |
| 90 | Second flow guide member |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides a flow guiding device 100.
In an embodiment of the present invention, as shown in fig. 1 to 4, the flow guiding device 100 is used for a diving apparatus 300, the diving apparatus 300 includes a propeller main body 301 and a ducted propeller 302, the flow guiding device 100 is disposed between the propeller main body 301 and the ducted propeller 302, the flow guiding device 100 is provided with a water inlet end 10 and a water outlet end 30, the water inlet end 10 is disposed on a side of the flow guiding device 100 close to the propeller main body 301, the water outlet end 30 is disposed on a side of the flow guiding device 100 close to the ducted propeller 302, the water inlet end 10 is communicated with the water outlet end 30 and forms a water flow channel, wherein a first flow guiding structure 51 is disposed between the water inlet end 10 and the water outlet end 30, the first flow guiding structure 51 is provided with a first flow guiding surface 511, the first flow guiding surface 511 is disposed in an arc shape, and the first flow guiding surface 511 is used for guiding water flow to the ducted propeller 302.
In an embodiment, the first diversion structure 51 is configured to enable water to be guided to the ducted propeller 302 by the first diversion structure 51 and directly enter the ducted propeller 302 during the process of flowing out from the water outlet end 30 after the water flows into the water flow channel from the water inlet end 10, so as to improve the working efficiency of the ducted propeller 302; the first flow guiding surface 511 is arranged in an arc shape, and is used for keeping the flow velocity of the water flow when the water flow is guided by the first flow guiding surface 511 of the first flow guiding structure 51, so that the water flow fluid keeps a better flow state, the flow velocity of the water flow is matched with the arc shape of the first flow guiding surface 511, so that the energy loss caused by the generation of turbulence can be avoided, the shape of the first flow guiding surface 511 is not limited, the shape of the first flow guiding surface 511 only needs to be designed into a streamline shape, the shape of the first flow guiding surface 511 which is matched with the flow velocity of the water flow can be selected according to the specific flow velocity of the water flow, the water inlet end 10 is an annular water inlet end 10, the water flow can enter the water flow channel from the annular water inlet end 10, the inflow space of the water flow is increased, and the flow guiding efficiency of the flow guiding device 100 is improved.
Specifically, compared with the first flow guiding surface 511 without the arc-shaped first flow guiding surface, the first flow guiding surface 511 without the arc-shaped first flow guiding surface causes flow separation of the water flow, and further generates turbulence and vortices, and the turbulence and vortices occupy a certain inflow space of the water flow at the water inlet end 10, so that the space is an ineffective inflow space, and the effective inflow space of the water flow is compressed. Conversely, the first deflector surface 511 having an arc shape eliminates flow separation of the water flow, so that turbulence and vortex are not generated, thereby increasing an effective inflow space of the water flow.
The technical scheme of this embodiment is through setting up first water conservancy diversion structure 51, be provided with on the first water conservancy diversion structure 51 and be curved first water conservancy diversion face 511 to make rivers get into the rivers passageway after, can be by direction duct screw 302, thereby can keep the better velocity of flow of rivers when the rivers passageway, and then improve the stability in flow field, reduce the separation from of rivers and first water conservancy diversion structure 51, and then reduce the energy loss that rivers got into in the duct screw 302, improve the efficiency of duct screw 302 work.
In an embodiment of the present invention, as shown in fig. 2 to 4, the first flow guiding structure 51 is annularly disposed, and an inner diameter of the first flow guiding structure 51 gradually decreases from the water inlet end 10 to the water outlet end 30.
In an embodiment, the first diversion structure 51 is annularly arranged, and is configured to enable water to enter from the circumferential direction of the water inlet end 10, and then the water can flow along the first diversion structure 51, so as to be guided by the first diversion structure 51, thereby ensuring the guidance of the whole water flow in the water flow channel, and the inner diameter of the first diversion structure 51 is gradually reduced from the water inlet end 10 to the water outlet end 30, and the inner diameter is reduced to the geometric center of the ducted propeller 302, so that the water can be better guided to the geometric center of the ducted propeller 302, thereby greatly improving the flow rate of the water flowing to the geometric center of the ducted propeller 302, and avoiding the loss of the water after entering the ducted propeller 302, thereby improving the work efficiency of the ducted propeller 302, and further improving the work efficiency of the diving equipment 300.
In an embodiment of the present invention, as shown in fig. 1, the flow guiding device 100 includes a first flow guiding member 50 and a connecting ring 70, the first flow guiding member 50 is located between the water inlet end 10 and the water outlet end 30 and is connected to the propeller body 301, the first flow guiding structure 51 is disposed on the first flow guiding member 50, and the connecting ring 70 is connected to the ducted propeller 302 and is connected to the first flow guiding member 50.
In an embodiment, the first diversion element 50 is located between the water inlet end 10 and the water outlet end 30, so that after water enters from the water inlet end 10, the water can be guided to the ducted propeller 302 of the water outlet end 30 by the first diversion element 50 in the water flow passage, the connection ring 70 is arranged to function as a connection between the ducted propeller 302 and the diversion device 100, and the connection ring 70 and the ducted propeller 302 are detachably connected, so that the assembly and disassembly are convenient, the first diversion element 50 and the connection ring 70 have simple structures, low production cost and good diversion and connection effects.
In an embodiment of the present invention, as shown in fig. 4, a first transmission shaft through hole 53 is formed on a side of the first flow guiding member 50 facing away from the propeller main body 301.
In an embodiment, the first transmission shaft through hole 53 is disposed such that the transmission shaft can penetrate through the diversion device 100 and further penetrate through the ducted propeller 302, such that the transmission shaft can transmit kinetic energy generated in the propeller to the ducted propeller 302, such that the ducted propeller 302 can operate at a high speed under water, and provide power for the diving equipment 300 to operate under water.
In an embodiment of the present invention, as shown in fig. 3 and 4, a connecting through hole 55 is formed on a side of the first flow guiding element 50 close to the propeller main body 301.
In an embodiment, the connection through hole 55 is formed, so that the propeller main body 301 and the first flow guiding element 50 can be connected through the screw penetrating through the connection through hole 55, and the connection stability is higher, the structure is simple, and the processing cost is low.
In an embodiment of the present invention, as shown in fig. 2, a second flow guiding structure 91 is further disposed between the water inlet end 10 and the water outlet end 30, the second flow guiding structure 91 includes a first flow facing surface 911 and a second flow guiding surface 913, the first flow facing surface 911 and the second flow guiding surface 913 are both disposed between the water inlet end 10 and the water outlet end 30 and form an included angle therebetween, the first flow facing surface 911 is used for maintaining a flow direction of the water flow entering the water inlet end 10, and the second flow guiding surface 913 is used for guiding the water flow to flow toward the water outlet end 30.
In an embodiment, the second diversion structure 91 is disposed between the water inlet end 10 and the water outlet end 30, so that the water flow can be guided to the water outlet end 30, the first incident surface 911 is configured to enable the water flow to enter from the water inlet end 10, and when passing through the first incident surface 911, the water flow can enter the water flow channel in a certain flow direction, and the second diversion surface 913 is configured to enable the water flow to be guided to the water outlet end 30 after passing through the first incident surface 911, so that the water flow can maintain a certain inflow direction when entering the water flow channel, and when passing through the second diversion structure 91, the water flow can be guided to the water outlet end 30 all the time, thereby improving the working efficiency of the ducted propeller 302.
In an embodiment of the invention, as shown in fig. 4 to 5, the first incident flow surface 911 and the second guiding surface 913 are both arc-shaped.
In an embodiment, the first incident flow surface 911 and the second guiding surface 913 are arranged in an arc shape, so that when water flows through the first incident flow surface 911 and the second guiding surface 913, the flow velocity of the water flow can be maintained, and thus, the flow state of the water flow can be maintained in a better state, the flow velocity of the water flow is matched with the arc shape of the first incident flow surface 911 and the second guiding surface 913, so that energy loss caused by generation of turbulence can be avoided, the shapes of the first incident flow surface 911 and the second guiding surface 913 are not limited, the shapes of the first incident flow surface 911 and the second guiding surface 913 only need to be designed into a streamline shape, and the shapes of the first incident flow surface 911 and the second guiding surface 913 which are matched with each other can be selected according to the specific flow velocity of the water flow.
Specifically, compared with the first incident flow surface 911 and the second guide surface 913 which are arranged in an arc shape, the first incident flow surface 911 and the second guide surface 913 which are arranged in an arc shape do not have the first incident flow surface 911 and the second guide surface 913 which are arranged in an arc shape, so that the water flow is separated in a flowing manner, and then turbulence and vortex are generated, and the turbulence and the vortex occupy a certain inflow space of the water flow at the water inlet end 10, so that the space is an invalid inflow space, and the valid inflow space of the water flow is compressed. Conversely, the first incident flow surface 911 and the second guide surface 913, which are disposed in an arc shape, will eliminate the flow separation of the water flow, so that no turbulence or vortex is generated, thereby increasing the effective inflow space of the water flow.
In an embodiment of the present invention, as shown in fig. 1 to fig. 2, the flow guiding device 100 further includes a plurality of second flow guiding members 90, the second flow guiding structures 91 are respectively disposed on the plurality of second flow guiding members 90, the plurality of second flow guiding members 90 are connected to the first flow guiding member 50 and the connecting ring 70, and the plurality of second flow guiding members 90 are disposed at intervals and located between the water inlet end 10 and the water outlet end 30.
In an embodiment, the second flow guiding members 90 are disposed at the water inlet end 10 at intervals, and the second flow guiding structure 91 is disposed to guide the water flow to the water flow channel by the second flow guiding members 90 after the water flow enters from the water inlet end 10, and maintain a good flow rate, and meanwhile, the first flow guiding member 50 is connected to the connection ring 70 through the second flow guiding members 90, without disposing an additional connection structure.
In an embodiment of the present invention, as shown in fig. 1 and 6, the ducted propeller 302 includes a paddle board 303 and blades 304, the blades 304 are spaced apart from the outer periphery of the paddle board 303, the water outlet end 30 faces the paddle board 303, and the first diversion structure 51 is used for guiding the water flow to the paddle board 303.
In an embodiment, the blades 304 are spaced at the periphery of the paddle wheel 303, the paddle wheel 303 is a circular surface which is approximately radial to the radius of the propeller and is centered at the midpoint of the propeller in the plane of the ducted propeller 302, and the water flows out from the water outlet end 30 under the guidance of the first diversion structure 51 and is guided to the geometric center position of the ducted propeller 302, that is, the position of the paddle wheel 303, so that the energy waste of the water flow can be avoided, and the working efficiency of the ducted propeller 302 is greatly improved.
In an embodiment of the present invention, as shown in fig. 6, a second transmission shaft through hole 305 is formed in the center of the paddle disk 303.
In an embodiment, the second transmission shaft through hole 305 is disposed such that the transmission shaft can penetrate through the diversion device 100 and then penetrate through the second transmission shaft through hole 305, so that the transmission shaft can transmit kinetic energy generated in the propeller body 301 to the propeller disc 303 of the ducted propeller 302, and the blades 304 of the ducted propeller 302 can operate at a high speed under water, thereby providing power for the diving equipment 300 to operate under water.
In addition, the present invention further provides a diving apparatus 300, as shown in fig. 1, the diving apparatus 300 includes the above-mentioned propeller main body 301, the ducted propeller 302 and the guiding device 100, and the guiding device 100 is disposed between the propeller main body 301 and the ducted propeller 302.
It should be noted that, the detailed structure of the diversion device 100 in the diving equipment 300 can refer to the above embodiment of the diversion device 100, and is not described herein again; since the diversion device 100 is used in the diving equipment 300 of the present invention, the embodiment of the diving equipment 300 of the present invention includes all technical solutions of all embodiments of the diversion device 100, and the achieved technical effects are also completely the same, and are not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a guiding device for diving equipment, diving equipment includes propeller main part and duct screw, guiding device locates the propeller main part with between the duct screw, its characterized in that, guiding device is provided with:
the water inlet end is arranged on one side of the flow guide device close to the propeller main body;
the water inlet end is communicated with the water outlet end and forms a water flow channel;
the water inlet end is connected with the water outlet end through a water inlet pipe, the water outlet end is connected with the water inlet pipe through a water outlet pipe, the water inlet pipe is connected with the water outlet pipe through a water inlet pipe, the water outlet pipe is connected with the water outlet pipe through a water outlet pipe, a first flow guide structure is arranged between the water inlet end and the water outlet end, a first flow guide surface is arranged on the first flow guide structure, the first flow guide surface is arranged in an arc shape and used for guiding water flow to the duct propeller.
2. The flow directing device of claim 1, wherein the first flow directing structure is annularly shaped, and the inner diameter of the first flow directing structure decreases from the water inlet end toward the water outlet end.
3. The deflector of claim 2, comprising:
the first flow guide piece is positioned between the water inlet end and the water outlet end and connected with the propeller main body, and the first flow guide structure is arranged on the first flow guide piece;
and the connecting ring is connected with the duct propeller and is connected with the first flow guide piece.
4. The flow guide device of claim 3, wherein a side of the first flow guide member facing away from the propeller body is provided with a first transmission shaft through hole.
5. The flow guide device of claim 3, wherein a connecting through hole is formed at one side of the first flow guide member close to the propeller body.
6. The flow guide device of claim 4, wherein a second flow guide structure is disposed between the water inlet end and the water outlet end, the second flow guide structure includes a first incident surface and a second flow guide surface, the first incident surface and the second flow guide surface are both disposed between the water inlet end and the water outlet end and form an included angle therebetween, the first incident surface is configured to maintain a flow direction of the water entering the water inlet end, and the second flow guide surface is configured to guide the water to flow toward the water outlet end.
7. The flow directing device of claim 6, wherein the first incident flow surface and the second flow directing surface are each arcuate.
8. The flow guide device of claim 7, further comprising a plurality of second flow guide members, wherein the second flow guide structures are respectively disposed on the plurality of second flow guide members, the plurality of second flow guide members are connected to the first flow guide member and the connecting ring, and the plurality of second flow guide members are spaced apart from each other and located between the water inlet end and the water outlet end.
9. The flow directing device of any one of claims 1 to 8, wherein the ducted propeller includes a paddle tray and blades spaced about the outer periphery of the paddle tray, the water outlet end facing the paddle tray, the first flow directing structure for directing a flow of water towards the paddle tray.
10. Diving equipment, characterized in that it comprises a propeller body, a ducted propeller and a deflector device according to any one of claims 1 to 9, which is arranged between the propeller body and the ducted propeller.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514279.1A CN114313161A (en) | 2021-12-10 | 2021-12-10 | Flow guide device and diving equipment |
| PCT/CN2022/137408 WO2023104129A1 (en) | 2021-12-10 | 2022-12-08 | Flow guide apparatus and diving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111514279.1A CN114313161A (en) | 2021-12-10 | 2021-12-10 | Flow guide device and diving equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114313161A true CN114313161A (en) | 2022-04-12 |
Family
ID=81049735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111514279.1A Pending CN114313161A (en) | 2021-12-10 | 2021-12-10 | Flow guide device and diving equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114313161A (en) |
| WO (1) | WO2023104129A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023104129A1 (en) * | 2021-12-10 | 2023-06-15 | 深圳市苇渡智能科技有限公司 | Flow guide apparatus and diving device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018154177A (en) * | 2017-03-16 | 2018-10-04 | ヤンマー株式会社 | Underwater propulsion device |
| CN107487429A (en) * | 2017-08-23 | 2017-12-19 | 北京臻迪科技股份有限公司 | Stator blade structure, propeller and submarine navigation device |
| CN208069990U (en) * | 2018-04-20 | 2018-11-09 | 浙江风回科技有限公司 | A kind of spray pump propeller |
| NO20180926A1 (en) * | 2018-06-29 | 2019-05-06 | Jungminds As | Fluid machines |
| CN111086611A (en) * | 2018-10-23 | 2020-05-01 | 东辉休闲运动用品(上海)有限公司 | Underwater propeller |
| CN109367747A (en) * | 2018-10-24 | 2019-02-22 | 深圳市朗非创新科技有限公司 | Underwater propeller and its control method |
| CN211308934U (en) * | 2019-08-12 | 2020-08-21 | 速智科技(惠州)有限公司 | Underwater propulsion system |
| CN216611548U (en) * | 2021-12-10 | 2022-05-27 | 深圳市苇渡智能科技有限公司 | Duct shell, nozzle assembly and submersible propeller |
| CN114313161A (en) * | 2021-12-10 | 2022-04-12 | 深圳市苇渡智能科技有限公司 | Flow guide device and diving equipment |
| CN216834220U (en) * | 2021-12-10 | 2022-06-28 | 深圳市苇渡智能科技有限公司 | Flow guide device and diving equipment |
-
2021
- 2021-12-10 CN CN202111514279.1A patent/CN114313161A/en active Pending
-
2022
- 2022-12-08 WO PCT/CN2022/137408 patent/WO2023104129A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023104129A1 (en) * | 2021-12-10 | 2023-06-15 | 深圳市苇渡智能科技有限公司 | Flow guide apparatus and diving device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023104129A1 (en) | 2023-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201535267U (en) | Fan structure of range hood | |
| EP2530331B1 (en) | Axial fan assembly for a vehicle cooling system | |
| CN216834220U (en) | Flow guide device and diving equipment | |
| CN102518602A (en) | Centrifugal fan impeller and centrifugal fan | |
| CN109373091B (en) | Pipeline split-flow device | |
| US9739287B2 (en) | Fan and motor assembly and method of assembling | |
| CN114313161A (en) | Flow guide device and diving equipment | |
| CN211422997U (en) | Sealing structure for reducing gap leakage of inlet collector of centrifugal fan | |
| CN111677692B (en) | Noise reduction type axial flow fan | |
| US20030147745A1 (en) | Centrifugal fan | |
| US2176325A (en) | Fluid impelling means | |
| CN107630725A (en) | Suitable for testing the air inlet volute of ride | |
| CN111878455A (en) | Centrifugal impeller, centrifugal fan and refrigeration equipment | |
| CN111535974A (en) | Low-water-head large-flow mixed-flow water turbine with double-inlet volute | |
| CN110594199A (en) | Water jet propulsion pump with variable cross-section water inlet pipeline type water inlet flow channel | |
| CN207750266U (en) | A kind of centrifugal blower | |
| CN216611548U (en) | Duct shell, nozzle assembly and submersible propeller | |
| CN212003641U (en) | Centrifugal fan | |
| CN212130847U (en) | Axial flow fan blade, fan assembly and air conditioner thereof | |
| JP4505523B2 (en) | Axial diffuser for centrifugal compressor | |
| CN110145481B (en) | Air inlet ring and centrifugal fan with same | |
| CN210686442U (en) | Water jet propulsion pump with variable cross-section water inlet pipeline type water inlet flow channel | |
| CN109882444B (en) | Mixed flow pump impeller with stepped rectifying device in flow channel | |
| JP2011117402A (en) | Suction casing of centrifugal fluid machine | |
| JPH04143499A (en) | Diffuser of centrifugal fluid machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |