Wind power generation device for small ship

By introducing protective mechanisms and staggered blade design into marine wind power generation devices, the problems of equipment corrosion and structural damage in marine environments have been solved, achieving stable operation and extended service life of the equipment.

CN223724757UActive Publication Date: 2025-12-26HAIHUI OCEAN ENG TECH (ZHOUSHAN) CO LTD
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Patent Information

Application Number
CN202520605380.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2025-12-26
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

Existing marine wind power generation equipment is susceptible to corrosion in strong winds and marine environments, leading to structural damage and affecting its service life.

Method used

The system employs a protective mechanism, including a protective plate and a limiting component. The protective plate seals the ventilation slots in severe weather to prevent corrosion from seawater and impurities. The rotary fan blades are arranged with staggered angles to improve wind energy capture efficiency.

Benefits of technology

It effectively protects power generation equipment, reduces corrosion and structural damage, extends equipment life, and improves wind energy conversion efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of marine wind power generation equipment, and discloses a small marine wind power generation device which comprises a base, the upper portion of the base is fixedly connected with a supporting seat, the upper portion of the supporting seat is provided with a generator, the input end of the generator is fixedly connected with a roller fan, and the outer side of the roller fan is fixedly connected with a fixing frame. The outer side of the fixing frame is fixedly connected with a wing-shaped piece, the upper portion of the base is fixedly connected with a protection mechanism, the protection mechanism comprises a protection assembly and a limiting assembly, and the protection assembly comprises a protection frame. In the utility model, through the use of the protection mechanism, the limiting piece is pulled, the limitation on the limiting rod is relieved, the protection plate is moved upwards, and the ventilation slot is sealed in severe weather, so that the power generation device is protected, the corrosion of seawater, sundries and the like is reduced, the stable operation of equipment is ensured, and meanwhile, the direct impact of strong wind is avoided; damage of strong wind to the internal structure of the device is reduced, and the service life of equipment is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of marine wind power generation equipment, especially to a small marine wind power generation device. BACKGROUND

[0002] The vertical axis wind turbine is a type of wind power generation equipment, and its rotating shaft is perpendicular to the ground, which is different from the common horizontal axis wind turbine in structure and working principle, and has unique application value in the field of small marine.

[0003] Based on the principle of aerodynamics, when the wind blows to the blade of the vertical axis wind turbine, due to the special airfoil design of the blade, the speed of the wind flowing through the upper and lower surfaces of the blade is different, according to Bernoulli's principle, a pressure difference is generated, forming a force to drive the blade to rotate, at the same time, the momentum change of the wind also gives the blade an opposite force, promoting the blade to rotate around the vertical shaft, the rotation of the blade drives the hub and the shaft to rotate, and then drives the rotor of the generator to cut the magnetic induction lines in the magnetic field, according to the law of electromagnetic induction to generate electric energy.

[0004] The existing marine wind power generation equipment is usually fixed with the ship only through the support frame, but the marine environment is harsh, with frequent strong winds, heavy rain and seawater erosion, in strong wind weather, seawater is blown onto the equipment, after a long time of use, the seawater is easy to corrode the key components of the equipment, and under the impact of strong wind, the structure of the device is damaged, the parts are loose, the maintenance cost and frequency are increased, and the service life of the equipment is affected, therefore, a small marine wind power generation device is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a small marine wind power generation device, which aims at solving the problem of "in strong wind weather, seawater is easy to corrode the key components of the equipment, causing the structure of the device to be damaged and affecting the service life of the equipment" in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A small marine wind power generation device, comprising a base, the upper part of the base is fixedly connected with a support seat, the upper part of the support seat is provided with a generator, the input end of the generator is fixedly connected with a drum fan, the outer side of the drum fan is fixedly connected with a fixed frame, and the outer side of the fixed frame is fixedly connected with an airfoil sheet;

[0008] The upper part of the base is fixedly connected with a protection frame, the four sides of the protection frame are all provided with ventilation grooves, the four sides of the lower part of the protection frame are all provided with protection mechanisms, and the protection mechanisms comprise protection assemblies and limiting assemblies;

[0009] The protection assembly comprises a protection plate slidingly arranged inside a protection frame, a sliding block fixedly connected to a lower portion of the protection plate, and a sliding groove formed in an outer side of the protection frame, wherein the sliding block slides in an inner wall of the sliding groove.

[0010] The limiting assembly is arranged on the protection frame and can fix the protection plate at the lower end and the upper end of the sliding groove.

[0011] As a further description of the above technical solution:

[0012] The limiting assembly comprises two limiting rods fixedly connected to side surfaces of the protection frame, a support block fixedly connected to the protection frame on the right side of the limiting rods, and a bolt inserted into an inner wall of the limiting rod and the support block.

[0013] As a further description of the above technical solution:

[0014] The side of the limiting rod close to the support block is fixedly connected with an outer shell, a limiting piece for limiting the bolt is slidingly connected to a right inner wall of the outer shell, and the limiting piece and the outer shell are elastically connected through a compression spring.

[0015] As a further description of the above technical solution:

[0016] The limiting piece is surrounded by a sealing ring fixedly connected to the inner wall of the outer shell.

[0017] As a further description of the above technical solution:

[0018] The upper portion of the side of the limiting piece close to the bolt is provided with an operation plate.

[0019] As a further description of the above technical solution:

[0020] The lower portion of the bolt close to the support block is provided with a groove, and the upper end surface of the support block is provided with an annular convex edge, and the annular convex edge of the support block is inserted into the groove.

[0021] As a further description of the above technical solution:

[0022] The drum fan is provided with two groups, and the blade angles of the two groups of drum fans are staggered.

[0023] As a further description of the above technical solution:

[0024] The lower portion of the bolt is provided with a protruding strip.

[0025] The utility model has the following beneficial effects:

[0026] 1. The utility model discloses a protection mechanism is used, and in bad weather, the limiting piece is pulled, and the limiting of limiting rod is relieved, and the protection board is moved upwards, and the ventilation groove is closed, thereby the power generation device is protected, and the seawater, sundries etc. are reduced and erode, guarantee equipment stable operation, avoid strong wind direct impact simultaneously, reduce the damage of strong wind to the internal structure of device, prolong equipment life;

[0027] 2. The utility model discloses a fan blade angle of two groups of drum fans is staggered and is set up with the cooperation of multiple groups of airfoil pieces, and the fan blade of different angles of drum fan can capture wind energy under different wind direction and wind speed conditions, compared with single drum fan, the contact area and action time with wind are increased, and the efficiency of wind energy conversion into mechanical energy is improved through multiple groups of airfoil pieces. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the three-dimensional structure schematic diagram of the whole device in the utility model;

[0029] Figure 2 It is the split three-dimensional structure schematic diagram of the whole device in the utility model;

[0030] Figure 3 It is the three-dimensional structure schematic diagram of drum fan and airfoil piece in the utility model;

[0031] Figure 4 It is the split three-dimensional structure schematic diagram of protection frame goods protection board in the utility model;

[0032] Figure 5 It is the three-dimensional structure schematic diagram of the bolt in the utility model;

[0033] Figure 6 It is the three-dimensional structure schematic diagram of the bolt in the utility model; Figure 4 A place of the utility model

[0034] LEGEND:

[0035] 1, base; 2, support seat; 3, generator; 4, drum fan; 5, fixed frame; 6, protection frame; 61, protection assembly; 62, protection board; 63, sliding block; 64, limiting rod; 65, support block; 66, bolt; 67, sliding slot; 68, recess; 7, limiting assembly; 71, shell; 72, limiting piece; 73, compression spring; 74, sealing ring; 8, airfoil piece. DETAILED DESCRIPTION

[0036] The technical scheme in the utility model embodiment will be described clearly and completely in connection with the drawings in the utility model embodiment.

[0037] Refer to Figure 1 - Figure 3The utility model provides a kind of embodiment: a kind of small marine wind power generation device, including base 1, it is firmly fixed on small boat with power generation device, base 1 upper portion is fixedly connected with support seat 2, connect base 1 and generator 3, play the role of supporting generator 3, support seat 2 upper portion is provided with generator 3, the mechanical energy of drum fan 4 and airfoil piece 8 transmission is converted into electric energy, in small marine scene, for the power support of various electric equipment on the boat, the input end of generator 3 is fixedly connected with drum fan 4, drum fan 4 is provided with two groups, the angle of the fan blade of two groups drum fan 4 is staggered, it is provided with half-arc fan blade, and angle stagger, rotate under the action of wind force, convert wind energy into its mechanical energy, and pass to generator 3.

[0038] Drum fan 4 outer side is fixedly connected with fixed frame 5, for supporting airfoil piece 8, fixed frame 5 outer side is fixedly connected with airfoil piece 8, utilize airfoil structure, change airflow flow state, guide airflow more effectively act on drum fan 4, improve the efficiency of wind energy conversion into mechanical energy, auxiliary drum fan 4 more efficiently capture wind energy, base 1 upper portion is fixedly connected with protection frame 6, four sides of the lower portion of protection frame 6 are equipped with protection mechanism, for protecting power generation device, reduce the damage to power generation device under adverse weather, protection mechanism includes protection assembly 61 and limiting assembly 7;

[0039] Refer to Figure 3 Figure 5 Protection assembly 61 includes protection frame 6, the lower portion of protection frame 6 is closed and is supported for protection plate 62, is set to 316L stainless steel material, protection frame 6 is fixedly connected on base 1 upper portion, protection frame 6 four side inner wall is slidably connected with protection plate 62, and its material is set to glass fiber reinforced polyester resin composite material, has good water resistance and corrosion resistance, can effectively resist seawater erosion, and quality is lighter, convenient operation, strength is enough to bear certain degree of external force impact, ventilation groove is set up in protection frame 6 upper portion four sides, protection plate 62 is provided with four groups, for the ventilation groove of protection frame 6 four sides is closed, prevent seawater and impurities adhere to the outside of power generation device, reduce the corrosion to power generation device.

[0040] ​The lower part of the protection plate 62 is fixedly connected with a sliding block 63, which cooperates with a sliding groove 67 and can limit the protection plate 62. The outer side of the protection frame 6 is provided with a sliding groove 67 for limiting the movement distance of the protection plate 62, preventing the protection plate 62 from separating from the protection frame 6. The sliding block 63 slides in the inner wall of the sliding groove 67. The four sides of the protection frame 6 are transversely rotatably connected with limiting rods 64, which are provided in multiple groups and are arranged on the upper and lower sides of the protection frame 6, for limiting the protection plate 62 in the storage and unfolded states. The outer side of the protection frame 6 is fixedly connected with a support block 65 on the right side of the limiting rod 64, for supporting the limiting rod 64. The support block 65 is divided into two parts and is arranged on the upper and lower sides of the limiting rod 64. The support block 65 and the inner wall of the limiting rod 64 are inserted with a latch 66 for fixing the limiting rod 64 on the support block 65, thereby maintaining the stability of the limiting rod 64. The lower part of the long rod of the latch 66 is provided with a protruding strip, which can reduce the self-rotation of the latch 66 and improve the stability of the latch 66.

[0041] Referring to Figure 4 and Figure 6 The limiting assembly 7 comprises a housing 71 fixedly connected to one side of the limiting rod 64 close to the support block 65, for supporting a limiting piece 72 and a compression spring 73. The right inner wall of the housing 71 is slidably connected with the limiting piece 72 for limiting the latch 66. The limiting piece 72 controls the latch 66 by sliding on the upper side of the latch 66, preventing its movement in the vertical direction. The limiting piece 72 and the housing 71 are elastically connected by the compression spring 73 in the initial state, which provides elastic force for the limiting piece 72 and maintains the limiting of the latch 66.

[0042] Further, the limiting piece 72 is provided with a sealing ring 74 close to the inner wall of the housing 71. The sealing ring 74 is fixedly connected to the inner wall of the housing 71. The sealing ring 74 seals the connection between the limiting piece 72 and the housing 71, preventing seawater from entering and corroding. At the same time, it can increase the friction when the limiting piece 72 moves, thereby improving the stability of the limiting piece 72. The upper part of the side close to the latch 66 of the limiting piece 72 is provided with an operation plate, which facilitates the operator to pull the limiting piece 72 and release the limiting of the latch 66. The lower part of the latch 66 close to the support block 65 is provided with a groove 68. The upper end surface of the support block 65 is provided with an annular convex edge. The annular convex edge of the support block 65 is inserted into the groove 68, which can increase the contact area with the support block 65, thereby improving the stability of the latch 66.

[0043] Working principle: in use, in normal weather, the wind blows to the device, acting on the drum fan 4 and the airfoil sheet 8. Two groups of drum fan 4 blade angle staggered, can capture wind energy from different directions, increase the contact area and action time with the wind, airfoil sheet 8 fixed outside the fixed frame 5, using special wing type structure changes airflow flow state, guide airflow more effectively impact drum fan 4, improve the efficiency of wind energy capture, drum fan 4 in wind driven rotation, wind energy into their own mechanical energy, through the generator 3 input fixed connection, mechanical energy transmission to the generator 3, generator 3 based on electromagnetic induction principle, the received mechanical energy into electrical energy, for the ship power supply equipment.

[0044] When the bad weather comes, the device needs to be protected, first operation limiting component 7, pull the operating plate on the limiting piece 72, overcome the elastic force of compression spring 73, make limiting piece 72 slide in the shell 71, remove the limiting of bolt 66. At this time, the bolt 66 can be pulled out, rotate the limiting rod 64, remove the restriction of the protection plate 62.

[0045] Because the lower part of the protection plate 62 and the sliding block 63 of the protection frame 6 outside the sliding groove 67 cooperation, can move the protection plate 62 upward, close the protection frame 6 upper four side ventilation slot, protection plate 62 can block the seawater, sundries, etc., reduce their erosion on the internal components of the power generation device, avoid strong wind directly impact the internal structure of the device, thereby prolong the service life of the equipment, guarantee the stable operation of the power generation device in harsh environment.

Claims

1. A small wind power plant for boats, comprising a base (1), characterized in that: The base (1) is fixedly connected with a support seat (2), the support seat (2) is provided with a generator (3) on the upper portion, the input end of the generator (3) is fixedly connected with a drum fan (4), the outer side of the drum fan (4) is fixedly connected with a fixed frame (5), the outer side of the fixed frame (5) is fixedly connected with a wing type sheet (8). The base (1) is fixedly connected with a protection frame (6) on the upper portion, the four sides of the upper portion of the protection frame (6) are provided with ventilation grooves, the four sides of the protection frame (6) are provided with protection mechanisms, the protection mechanisms comprise protection assemblies (61) and limiting assemblies (7). The protection assembly (61) comprises a protection plate (62) slidingly arranged in the protection frame (6), the lower portion of the protection plate (62) is fixedly connected with a sliding block (63), the outer side of the protection frame (6) is provided with a sliding groove (67), and the sliding block (63) slides in the inner wall of the sliding groove (67). The limiting assembly (7) is arranged on the protection frame (6), and the limiting assembly (7) can fix the protection plate (62) at the lower end and the upper end of the sliding groove (67).

2. A small wind power generator for boats according to claim 1, characterized in that: The limiting assembly (7) comprises two limiting rods (64) fixedly connected to the side of the protection frame (6), a support block (65) is fixedly connected to the right side of the protection frame (6) and located on the limiting rod (64), and the support block (65) is inserted with a bolt (66) in the inner wall of the limiting rod (64).

3. A small wind power generator for boats according to claim 2, characterized in that: The side, close to the support block (65), of the limiting rod (64) is fixedly connected with an outer shell (71), the right inner wall of the outer shell (71) is slidingly connected with a limiting piece (72) for limiting the bolt (66), and the limiting piece (72) is elastically connected with the outer shell (71) through a compression spring (73).

4. A small wind power generator for boats according to claim 3, characterized in that: The limiting piece (72) is provided with a sealing ring (74) around the inner wall of the outer shell (71), and the sealing ring (74) is fixedly connected to the inner wall of the outer shell (71).

5. A small wind power generator for boats according to claim 3, characterized in that: The upper portion of the side, close to the bolt (66), of the limiting piece (72) is provided with an operation plate.

6. A small wind power generator for boats according to claim 3, characterized in that: The lower portion of the bolt (66), close to the support block (65), is provided with a groove (68), the upper end surface of the support block (65) is provided with an annular convex edge, and the annular convex edge of the support block (65) is inserted into the groove (68).

7. A small wind power generator for boats according to claim 1, characterized in that: The drum fan (4) is provided with two groups, and the blade angles of the two groups of drum fans (4) are staggered.

8. A small wind power generator for boats according to claim 3, characterized in that: The lower portion of the bolt (66) is provided with a convex strip.