CN203822534U

CN203822534U - Ocean current power generation device

Info

Publication number: CN203822534U
Application number: CN201420226415.6U
Authority: CN
Inventors: 陈小辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-05-06
Filing date: 2014-05-06
Publication date: 2014-09-10
Anticipated expiration: 2024-05-06

Abstract

The utility model discloses an ocean current power generation device. The ocean current power generation device comprises a generator and a driving device, wherein the generator is composed of a stator and a rotor, and the driving device is used for driving the rotor to rotate. The driving device comprises a left supporting rod, a right supporting rod, a rotating shaft and more than one blade set, the rotating shaft comprises a middle square shaft and two round shafts at the two ends of the square shaft, the round shafts are arranged on the two supporting rods in a rotating mode respectively, and the round shafts are connected with the rotor of the generator; the blade sets are arranged on the square shaft, and each blade set comprises two blades arranged on the cylindrical part of the rotating shaft; each blade is formed by two rectangular side plates and two triangular transverse plates, wherein an included angle is formed between the two side plates, the long edges of the two side plates coincide, the two transverse plates are arranged at the two ends of the side plates, and the whole blade is in a triangular prism shape with the side face opened; the two blades in one blade set are located on the upper portion and the lower portion of the rotating shaft respectively, and the openings of the two blades are opposite in direction. The ocean current power generation device has the advantages of being capable of being used for ocean current power generation and wind power generation, good in generality, simple in structure and low in cost.

Description

Power generation device from sea current

Technical field

The utility model relates to a kind of electricity generating device, especially relates to a kind of power generation device from sea current.

Background technique

Energy by ocean current refers to the kinetic energy of marine stream, mainly refers to the energy that the regular marine stream that flows and cause due to morning and evening tides comparatively stable in seabed water channel and straits produces, and is the another kind of ocean energy occurring with kinetic energy form.The energy of energy by ocean current is directly proportional to the quadratic sum flow of flow velocity.Relative wave, it is much steady and regular that the variation of energy by ocean current is wanted.Marine tidal-current energy changes size and Orientation twice with the fluctuation of morning and evening tides every day.In general, the water channel of Peak Flow Rate more than 2m/s, its energy by ocean current all has the value of exploitation, however although energy by ocean current has exploitation is worth, relatively traditional bioenergy, is limited to the environment of energy by ocean current utilization, the exploitation of energy by ocean current are still seldom.What the utilization of energy by ocean current was the most easily expected is exactly for generating, invent that a kind of to be applicable to utilize the generator of current power generation be the prerequisite of utilizing energy by ocean current generating, existing ocean current generator is only limited in ocean and uses, and simple in structure, be not suitable for such as generatings such as wind energies, versatility is low.

Summary of the invention

The purpose of this utility model is to provide a kind of power generation device from sea current, both can be used for current power generation, also can be used for wind-power electricity generation.

For addressing the above problem, the technological scheme that the utility model is taked is:

A power generation device from sea current, comprises the drive unit that the generator that consists of stator and rotor and rotor driven rotate, and described drive unit comprises:

Two struts in left and right;

Rotating shaft, described rotating shaft comprises the square shaft at middle part and the circular shaft at square shaft two ends, and described circular shaft rotates respectively and is arranged on two struts, and described circular shaft is connected with the rotor of generator;

Be arranged on more than one vane group on square shaft, described vane group comprises two blades that are arranged on square shaft, described blade consists of two block length square side plate and two triangle transverse slats, two blocks of described side plates are an angle and both long limits overlap, two transverse slats are arranged on the two ends of side plate, whole blade is the triangular prism shape of a lateral opening, and two blades lay respectively at the upper and lower of rotating shaft and the opening of two blades in the opposite direction.

Strut is for fixed rotating shaft, more than one vane group makes full use of the energy of ocean current or wind, fully drive rotating shaft rotation, rotating shaft middle part is square shaft, be convenient to the fixing of vane group, the circular shaft at two ends, facilitate rotating shaft relative to the rotating of strut, blade setting is the triangular prism shape of a lateral opening, and two blade openings are contrary, one side of opening has increased the resistance of ocean current or wind flow, be convenient to utilize ocean current and wind energy, and reduce the resistance of ocean current or wind flow with the opposing side of opening, again because two relative blades of opening are separately positioned on the upper and lower of square shaft, namely the resistance difference of rotating shaft upper and lower is larger, institute's rotating shaft is more easily rotated, the utilization ratio of energy is also just higher.

As further improvement of the utility model, described rotating shaft is provided with Non-slip material, and described Non-slip material is positioned on the circular shaft of rotating shaft and is close to square shaft.

Non-slip material is set and prevents rotating shaft left and right play between the strut of two of left and right.

As further improvement of the utility model, described generator has two, and the two ends of rotating shaft are connected with the rotor of two generators respectively.

Two generators are set, are connected with the two ends of rotating shaft respectively, make full use of the energy that rotating shaft is rotated, improved the conversion ratio of energy, improved again the electric energy of output.

As further improvement of the utility model, the end of described circular shaft arranges the first bevel gear, and the rotor tip of described generator arranges the second bevel gear, and the first described bevel gear is meshed with the second bevel gear.

With bevel gear, realize the change of the direction of the power that rotating shaft rotates, and the rotor of generator directly need not be connected with rotating shaft, be convenient to fixing of generator.

As further improvement of the utility model, between the second described bevel gear and the end of generator amature, dowel bar is set.

Dowel bar is set, can increases the distance between generator and rotating shaft.

As further improvement of the utility model, described generator connects the automatic identification converter of both positive and negative polarity.

Both positive and negative polarity is set and automatically sets the positive and negative electrode that transducer can be corrected connecting end automatically, avoided positive and negative electrode to connect anti-rear short circuit and the corresponding issuable harm causing.

As further improvement of the utility model, the automatic identification converter of two described both positive and negative polarities connects combining inverter.

Inverter is set, converts the direct current of generator output to conventional sinusoidal ac output.

As further improvement of the utility model, described inverter is combining inverter, and the automatic identification converter of two described both positive and negative polarities is connected with inverter simultaneously.

With a combining inverter, connecting two automatic identification converters of both positive and negative polarity, is that the electric current of two generator outputs converts direct current to simultaneously, can reduce by an inverter, cost-saving.

In sum, the beneficial effects of the utility model are: both can be used for current power generation, also can be used for wind-power electricity generation, versatility is good, and that the utility model also has advantages of is simple in structure, cost is low.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of drive unit in reaction the utility model.

Fig. 3 is the structural representation of reaction the utility model Leaf.

Fig. 4 is the structural representation of reaction the utility model shaft.

Embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.

Ocean current generator as shown in Figures 1 to 4, comprise the drive unit that two of the left and right generator consisting of stator and rotor 8 and rotor driven rotate, described drive unit comprises: two of left and right strut 1, rotating shaft 2 and be arranged on three vane group on square shaft 21, described rotating shaft 2 comprises the square shaft 21 at middle part and the circular shaft 22 at square shaft 21 two ends, described circular shaft 22 rotates respectively and is arranged on two struts 1, on circular shaft 22, be provided with the Non-slip material 4 that metallic rod supports, Non-slip material 4 inner sides and square shaft 21 laminatings, described circular shaft 22 is connected with the rotor of generator 8; The end of circular shaft 22 arranges the first bevel gear 5, the rotor tip of described generator arranges dowel bar 7, the free end of dowel bar 7 arranges the second bevel gear 6, the first described bevel gear 5 is meshed with the second bevel gear 6, the output terminal of each generator 8 all connects an automatic identification converter 9 of both positive and negative polarity, two automatic identification converters 9 of both positive and negative polarity are connected with same combining inverter 10, after 10 outputs of electric energy combining inverter, connect load.

Described vane group comprises and is arranged on two blades 3 on square shaft 21, described blade 3 consists of two block length square side plate 31 and two triangle transverse slats 32, two blocks of described side plates 31 are an angle and both long limits overlap, two transverse slats 32 are arranged on the two ends of side plate 31, whole blade 3 is the triangular prism shape of a lateral opening, and two blades 3 lay respectively at the upper and lower of rotating shaft 2 and the opening of two blades 3 in the opposite direction.

Two of left and right strut 1 in the utility model is fixing, when seawater passes through drive unit, opening is larger with the resistance that ocean current flows to 3 pairs of ocean currents of contrary blade, ocean current is also larger to the Driving force of this blade 3, and opening is little with the resistance that ocean current flows to 3 pairs of blades of identical blade, ocean current is also less to the Driving force of its generation, the Driving force that namely square shaft 21 upper and lowers are received is unbalanced, therefore rotating shaft 2 can rotate, drive the first gear 5 to rotate, the first gear 5 drives dowel bar 7 to rotate by the second gear 6 being meshed with it, drive the rotor of generator 8 to rotate together, thereby generation electric energy, the electric energy that generator 8 produces connects load through the automatic identification converter 9 of both positive and negative polarity and after converting sinusoidal ac to by combining inverter 10, to load supplying.

Vane group in the utility model can be three groups, also can be one, two or other quantity, the vane group of varying number can be set according to ocean current situation everywhere, it is generally the more anxious region of ocean current flow velocity, the quantity of vane group can be lacked, and ocean current is handed over mild region, for guaranteeing that rotating shaft can meet the requirements of speed, can increase accordingly vane group quantity.

What in all specification, be not specifically noted is prior art, should be understood that described in the utility model, concrete case study on implementation is only better case study on implementation of the present utility model, is not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all should be as technology category of the present utility model.

Claims

1. a power generation device from sea current, comprises the drive unit that the generator (8) that consists of stator and rotor and rotor driven rotate, and it is characterized in that: described drive unit comprises:

Left and right two struts (1);

Rotating shaft (2), described rotating shaft (2) comprises the square shaft (21) at middle part and the circular shaft (22) at square shaft (21) two ends, described circular shaft (22) rotates respectively and is arranged on two struts (1) above, and described circular shaft (22) is connected with the rotor of generator (8);

Be arranged on the upper more than one vane group of square shaft (21), described vane group comprises two blades (3) that are arranged on square shaft (21), described blade (3) consists of two block length square side plate (31) and two triangle transverse slats (32), described two blocks of side plates (31) are an angle and both long limits overlap, two transverse slats (32) are arranged on the two ends of side plate (31), whole blade (3) is the triangular prism shape of a lateral opening, two blades (3) lay respectively at the upper and lower of rotating shaft (2) and the opening of two blades (3) in the opposite direction.

2. power generation device from sea current according to claim 1, is characterized in that: described rotating shaft (2) is provided with Non-slip material (4), and it is upper and be close to square shaft (21) that described Non-slip material is positioned at the circular shaft (22) of rotating shaft (2).

3. power generation device from sea current according to claim 2, is characterized in that: described generator (8) has two, and the two ends of rotating shaft (2) are connected with the rotor of two generators (8) respectively.

4. power generation device from sea current according to claim 3, it is characterized in that: the end of described circular shaft (22) arranges the first bevel gear (5), the rotor tip of described generator arranges the second bevel gear (6), and described the first bevel gear (5) is meshed with the second bevel gear (6).

5. power generation device from sea current according to claim 4, is characterized in that: between described the second bevel gear (6) and the end of generator amature, dowel bar (7) is set.

6. according to the power generation device from sea current described in claim 1 to 5 any one, it is characterized in that: described generator (8) connects the automatic identification converter of both positive and negative polarity (9).

7. power generation device from sea current according to claim 6, is characterized in that: described two automatic identification converters of both positive and negative polarity (9) connect inverter (10).

8. power generation device from sea current according to claim 7, is characterized in that: described inverter (10) is combining inverter, and described two automatic identification converters of both positive and negative polarity (9) are connected with inverter (10) simultaneously.