CN202971043U

CN202971043U - Wind power generating device

Info

Publication number: CN202971043U
Application number: CN2012205519980U
Authority: CN
Inventors: 水池宏友
Original assignee: Nidec Corp
Current assignee: Nidec Corp
Priority date: 2011-10-28
Filing date: 2012-10-25
Publication date: 2013-06-05
Anticipated expiration: 2022-10-25
Also published as: JP2013096257A

Abstract

The utility model provides a wind power generating device which is provided with a cylindrical conductive component, an outer side terminal and an inner side terminal. The cylindrical conductive component is relatively static relative to a support component extending in a first axial line. The outer side terminal is electrically connected with a power generator, and is movably in contact with the periphery of a conductive component relative to the periphery of the conductive component. The inner side terminal is fixed on a connecting part arranged on the inner peripheral surface of the conductive component through a way of thread fixing or welding. Moreover, the conductive component is provided with an opening in a position corresponding to the connecting part. When the inner side terminal is fixed on the conductive component, in virtue of the opening part, a tool for implementing thread fixing or welding is enabled to be close to the connecting part. Therefore, the inner side terminal can be fixed on the inner peripheral surface of the conductive component easily and firmly.

Description

Wind generating unit

Technical field

The utility model relates to a kind of wind generating unit.

Background technique

In the past, known have a wind generating unit that utilizes wind-force to obtain electric power.Particularly recent, the instead high thermal power generation of carbon dioxide output, or the natural energy resources technology of the nuclear energy power generation of management of radioactive material difficulty increase gradually to the demand of wind-power electricity generation.

Wind generating unit changes the direction of rotary wings according to wind direction.Therefore, in order to carry with the orientation independent ground of rotary wings the electric power that is obtained by generating, the mechanism that makes brush contact slip ring is arranged.For example, put down in writing a kind of wind generating unit in the specification of No. the 2000-274347th, TOHKEMY.This wind generating unit is provided with slip-ring device (claim 1) between the cable of the electric power that conveying is generated electricity out and load device.

And, about the structure of in the past slip ring, for example be documented in the specification of No. the 2002-260799th, TOHKEMY.In the specification of No. the 2002-260799th, TOHKEMY, thus put down in writing inner peripheral surface welding electric wire at a plurality of contact annulus form the situation that conduction connects (paragraph 0022, Fig. 2)

Patent documentation 1: TOHKEMY 2000-274347 specification

Patent documentation 2: TOHKEMY 2002-260799 specification

Comparison is fixed or welded to soldering and screw thread, and the reliability of electrical connection is lower.Therefore, in order more reliably connecting terminals to be connected to slip ring, the mode of preferably utilizing screw thread to fix or weld.But, because slip ring itself be shaped as ring-type, so be difficult to realize will for implement that screw thread is fixed or the instrument that welds with respect to the inner peripheral surface arranged perpendicular of slip ring.Therefore, at the inner peripheral surface of slip ring, screw thread is fixed or the operation of solder terminal becomes difficult.

The model utility content

The purpose of this utility model is, in wind generating unit, providing can be easily and securely terminal is fixed on the structure of inner peripheral surface of the conductive member of ring-type.

The wind generating unit of the 1st model utility of the application's example has supporting part, cabin, generator, rotary wings, conductive member cylindraceous, outer terminal and inner terminal.Supporting part is cylindric extension along the 1st axis; The cabin is rotatable by bearing by described support member supports; Generator is installed on described cabin; Rotary wings is connected in described generator, rotates centered by the 2nd axis; Conductive member cylindraceous is relatively static with respect to described supporting part; Outer terminal is electrically connected on described generator, contacts movably the outer circumferential face of described conductive member with respect to the outer circumferential face of described conductive member; The mode that inner terminal is fixed or welded by screw thread is fixed in the joint of the inner peripheral surface that is arranged on described conductive member, and described conductive member has opening portion with described joint opposed position.

According to the 1st model utility of the application's example, can be by opening portion, make and implement that screw is fixed or the instrument that welds approaches to joint.Therefore, can be easily and securely inner terminal is fixed on the inner peripheral surface of conductive member.

Description of drawings

Fig. 1 is the longitudinal section of the related wind generating unit of the 1st mode of execution.

Fig. 2 is the side view of the related wind generating unit of the 2nd mode of execution.

Fig. 3 is the longitudinal section of the related wind generating unit of the 2nd mode of execution.

Fig. 4 is the stereogram of the related axle of the 2nd mode of execution.

Fig. 5 is the longitudinal section of the related electrical conduction mechanism of the 2nd mode of execution.

Fig. 6 is the exploded perspective view of the related slip ring of the 2nd mode of execution and insulating element.

The longitudinal section of the appearance when Fig. 7 means the assembling of the power device that the 2nd mode of execution is related.

Fig. 8 is the side view of the related slip ring of the 2nd mode of execution.

Fig. 9 is the plan view of the related slip ring of variation.

Figure 10 is the stereogram of the related slip ring of variation.

Symbol description

1,1A wind generating unit

11 bars

12 axles

The 12A supporting part

13,13A cabin

14,14A generator

15,15A rotary wings

16 empennages

17 electrical conduction mechanisms

21 lower bearing sections

The 21A bearing

22 upper bearing (metal) sections

23 wires

24 screws

31,31B, 31C slip ring

The 31A conductive member

32 insulating elements

33,33A outer terminal

34,34A inner terminal

91,91A the 1st axis

92,92A the 2nd axis

124 slits

311,311B, 311C screw hole

The 311A joint

312 otch

The 312A opening portion

The 312C through hole

323 recesses

Embodiment

Below, describe with reference to the mode of execution of accompanying drawing to the utility model example.

1. the 1st mode of execution

Fig. 1 is the longitudinal section of the related wind generating unit 1A of the 1st mode of execution of the present utility model.As shown in Figure 1, this wind generating unit 1A has supporting part 12A, cabin 13A, generator 14A, rotary wings 15A, conductive member 31A, outer terminal 33A and inner terminal 34A.

Supporting part 12A is cylindric extension along the 1st axis 91A.Cabin 13A is by bearing 21A, and supported parts 12A is supported for rotatable.Generator 14A is installed on cabin 13A.Rotary wings 15A is connected in generator 14A, rotates centered by the 2nd axis 92A.

Conductive member 31A is parts cylindraceous, and is relatively static with respect to supporting part 12A.Outer terminal 33A is electrically connected to generator 14A.And outer terminal 33A contacts the outer circumferential face of conductive member 31A movably with respect to the outer circumferential face of conductive member 31A.Inner terminal 34A fixes by screw thread or welds, and is fixed in the joint 311A of the inner peripheral surface that is arranged on conductive member 31A.

And as shown in Figure 1, conductive member 31A has opening portion 312A with joint 311A opposed position.Therefore, when inner terminal 34A is fixed in conductive member 31A, can makes by opening portion 312A and implement that screw thread is fixed or the instrument that welds approaches to joint 311A.Therefore, can be easily and securely inner terminal 34A is fixed on the inner peripheral surface of conductive member 31A.

2. the 2nd mode of execution

2-1. the overall structure of wind generating unit

Next, the 2nd mode of execution of the present utility model is described.

Fig. 2 is the side view of the related wind generating unit of the 2nd mode of execution 1.Fig. 3 is the longitudinal section of the wind generating unit 1 of the III-III position observation from Fig. 2.This wind generating unit 1 is to make rotary wings 15 rotations by the strength of the outside wind of flowing through, and the torque conversion that rotary wings 15 produces is become the device of electric power.As Fig. 2 and shown in Figure 3, the wind generating unit 1 of present embodiment has bar (pole) 11, axle 12, cabin 13, generator 14, rotary wings 15, empennage 16 and electrical conduction mechanism 17.

Bar 11 and axle 12 are respectively roughly cylindric extension along the 1st axis 91.The 1st axis 91 can vertically extend, and also can extend along other direction.But, below will be along the direction of the 1st axis 91 as above-below direction, with respect to bar 11 with electrical conduction mechanism 17 sides as upper, shape and the position relationship of each several part is described.Yet this just for convenience of description and the above-below direction of definition does not limit the related wind generating unit of the utility model direction in use.

Axle 12 is supported by bar 11.Electrical conduction mechanism 17 is supported by axle 12.And cabin 13 is supported by axle 12 by lower bearing section 21 and upper bearing (metal) section 22.That is to say, in the present embodiment, bar 11 and axle 12 consist of the supporting part that directly or indirectly supports electrical conduction mechanism 17 and cabin 13.

Fig. 4 is the stereogram of axle 12.As shown in Figure 4, axle 12 has lower minor diameter part 121, is positioned at than lower minor diameter part 121 near the large-diameter portion 122 of upsides and is positioned at upper minor diameter part 123 than large-diameter portion 122 more close upsides.The diameter of large-diameter portion 122 is greater than the diameter of lower minor diameter part 121 and upper minor diameter part 123.And, at upper minor diameter part 123 places, be provided with the slit 124 for configuring inner terminal 34 described later.Slit 124 extends downwards along the 1st axis 91 from the upper end portion of axle 12.

As shown in Figure 3, lower minor diameter part 121 and large-diameter portion 122 are inserted into the inboard of bar 11.And the lower surface contact of large-diameter portion 122 is formed on the step surface of bar 11 inside.Thus, axle 12 is positioned at the 1st axial direction with respect to bar 11.And, the upper surface of the inner ring contact large-diameter portion 122 of lower bearing section 21.And 3 wires 23 are inserted into the inboard of bar 11 and axle 12.

Cabin 13, generator 14 and rotary wings 15 are arranged along the 2nd axis 92.But the 2nd axis 92 along continuous straight runs extend, and also can extend along other direction.Below will be along the direction of the 2nd axis 92 as fore-and-aft direction, with respect to cabin 13 with rotary wings 15 sides as before, shape and the position relationship of each several part are described.But this just for convenience of description and the fore-and-aft direction of definition does not limit the related wind generating unit of the utility model direction in use.

Cabin 13 has centered by the 2nd axis 92 side wall portion 131 that extends in the form of a ring and blocks the end face portion 132 of end at the rear of side wall portion 131.Electrical conduction mechanism 17 is contained in the inside in cabin 13.And, as shown in Figure 3, cabin 13 have bottom from side wall portion 131 towards the cabin 13 inboard, be the inside cylindrical section 133 of roughly cylindric extension.Lower bearing section 21 and upper bearing (metal) section 22 are between axle 12 and inside cylindrical section 133.Therefore, cabin 13 rotates centered by the 1st axis 91 when being supported by axle 12.

Generator 14 is arranged on the front portion in cabin 13.Generator 14 has the rotary part with respect to the relatively static stationary part in cabin 13 and rotation centered by the 2nd axis 92.The stationary part of generator 14 for example has the armature that is made of a plurality of coils that are arranged in around the 2nd axis 92.And the rotary part of generator 14 for example has the field magnet that is made of a plurality of magnet that are arranged in around the 2nd axis 92.

Rotary wings 15 is connected to the rotary part of generator 14.Rotary wings 15 has a plurality of blades 151 that are radiated entends with respect to the 2nd axis 92.When the outside wind of flowing through was got to blade 151, by the strength of the outside wind of flowing through, the rotary part of rotary wings 15 and generator 14 rotated centered by the 2nd axis 92.Like this, due to the armature of generator 14 and the magnetic action between field magnet, the place produces induction power at a plurality of coils.That is to say, the torque of rotary wings 15 is converted into electric power.

Empennage 16 can joltily be installed on the end face portion 132 in cabin 13 by joint 161.When wind was got to empennage 16, empennage 16 was towards leeward side.Consequently, rotary wings 15 is towards windward side.Like this, wind is got to rotary wings 15 more efficiently, thereby can improve generating efficiency.That is to say, empennage 16 plays the effect towards the variation of following wind direction that makes rotary wings 15.

2-2. about electrical conduction mechanism

Electrical conduction mechanism 17 is with the 1st axis 91 as the rotational position of the cabin 13 at center and generator 14 irrespectively, the mechanism of 3 wires 23 in the conduct current axle 12 that will obtain from generator 14.Fig. 5 is the longitudinal section of electrical conduction mechanism 17.As shown in Figure 5, electrical conduction mechanism 17 has three slip rings 31, four insulating elements 32, six outer terminal 33 and three inner terminal 34.

Three slip rings 31 and four insulating elements 32 are configured to multilayer along the 1st axial direction between lower bearing section 21 and upper bearing (metal) section 22.Axle 12 is inserted into the inboard of slip ring 31 and insulating element 32.Slip ring 31 and insulating element 32 are supported by axle 12, and relatively static with respect to axle 12.Each slip ring 31 is conductive member cylindraceous roughly, and with the 1st axis 91 arranged coaxial.For the material of slip ring 31, can use such as metals such as copper.

Insulating element 32 is served as reasons as the parts in the form of a ring of the resin formation of insulator.Fig. 6 is the exploded perspective view of slip ring 31 and insulating element 32.As shown in Figure 5 and Figure 6, insulating element 32 has inboard insulation division 321 cylindraceous roughly and from the outer circumferential face of inboard insulation division 321 outstanding lip part 322 laterally.The inboard insulation division 321 of each insulating element 32 is between the inner peripheral surface of the outer circumferential face of axle 12 and slip ring 31.Thus, axle 12 and slip ring 31 are insulated from each other.

And the lip part 322 of each insulating element 32 is configured in respectively between the slip ring 31 of lower bearing section 21 and lower floor, between the slip ring 31 in the slip ring 31 of lower floor and mesosphere, between the slip ring 31 between the slip ring 31 on the slip ring 31 in mesosphere and upper strata and upper strata and upper bearing (metal) section 22.Thus, lower bearing section 21, upper bearing (metal) section 22 and three slip rings 31 are insulated from each other.Therefore, can closely configure these parts at the 1st axial direction.

And in the present embodiment, the pair of

bearings section

21,22 that be used for to support cabin 13 is configured in respectively downside and the upside of electrical conduction mechanism 17.Thus, pair of

bearings section

21,22 is configured in the position of the separation on the 1st axial direction.Consequently, cabin 13 is with respect to axle 12, and is more stably supported.

Outer terminal 33 is brushes of electric conductivity of the outer circumferential face of contact slip ring 31.In the present embodiment, configure respectively two outer terminal 33 in each outside of lower floor, mesosphere and upper strata slip ring 31.Six outer terminal 33 and cabin 13 together, rotation centered by the 1st axis 91.And each outer terminal 33 is biased to slip ring 31 sides by spring 331.Therefore, when 13 rotation of cabin, each outer terminal 33 contacts the outer circumferential face of slip ring 31 on one side movably with respect to the outer circumferential face of slip ring 31, on one side rotation.

And each outer terminal 33 is electrically connected on the coil of generator 14.The induction current that is produced by the coil of generator 14 is by outer terminal 33 guide links 31.Particularly, in the present embodiment, each mutually corresponding electric current of three phase current is supplied with to each slip ring 31 by two outer terminal 33 respectively.By being set up in parallel two outer terminal 33, reduced the resistance between generator 14 and slip ring 31.Therefore, can be by outer terminal 33 more expeditiously to slip ring 31 supply capabilities.

Inner terminal 34 is separately positioned on the upper end portion of 3 wires 23.And each inner terminal 34 is fixed on the inner peripheral surface of slip ring 31.In the present embodiment, at slip ring 31 places formation screw hole 311.And screw 24 is fixed in screw hole 311, and inner terminal 34 is clipped between the inner peripheral surface of the head of screw 24 and slip ring 31.Thus, slip ring 31 and inner terminal 34 are firmly fixed.That is to say, in the present embodiment, the screw hole 311 of slip ring 31 becomes for the joint that connects inner terminal 34.

And slip ring 31 has otch 312 with screw hole 311 opposed position.Otch 312 extends towards the below from the upper end portion of slip ring 31.In the present embodiment, utilize this otch 312, can easily implement inner terminal 34 and fix with respect to the screw thread of slip ring 31.

Fig. 7 means the longitudinal section of the appearance when inner terminal 34 is fixed in slip ring 31.In addition, at this moment, axle 12 also is not inserted into the inboard of slip ring 31 and insulating element 32.As shown in Figure 7, when fixing inner terminal 34, will be for implementing the fixing instrument of screw thread that is screw-driver 40 inserts otch 312.And, by otch 312 make screw-driver 40 approach to screw hole 311 near.Like this, can be configured at the axis with the axis of screw-driver 40 and screw 24 and implement screw thread under state on a straight line roughly and fix.Therefore, can be easily and securely inner terminal 34 is fixed on the inner peripheral surface of slip ring 31.

And as shown in Figure 6, in the present embodiment, inboard insulation division 321 places at insulating element 32 are provided with a pair of recess 323.When insulating element 32 is installed on slip ring 31, these recesses 323 are configured in top or the below of the screw hole 311 of slip ring 31.Like this, can prevent that insulating element 32 from contacting with inner terminal 34, screw 24 and wire 23.Therefore, can closely configure slip ring 31 and insulating element 32 at the 1st axial direction.

Fig. 8 is the side view of slip ring 31.As shown in Figure 8, in the present embodiment, the size h2 of the 1st axial direction of otch 312 is greater than the size h1 of the 1st axial direction of screw hole 311.And the circumferential size d2 of otch 312 is greater than the circumferential size d1 of screw hole 311.Like this, the movable range of screw-driver 40 in otch 312 inside that extended.Therefore, utilizing the screw-driver 40 fixing operations of enforcement screw thread to become is more prone to.

And as shown in Figure 5, in the present embodiment, outer terminal 33 is configured in the position different with otch 312 from screw hole 311 on the 1st axial direction.Thus, outer terminal 33 can not overlap with screw hole 311 and otch 312, and contacts movably the outer circumferential face of slip ring 31 with respect to the outer circumferential face of slip ring 31.Like this, outer terminal 33 can not contact the edge of screw 24 and otch 312 and damage.Therefore, can suppress the deteriorated of outer terminal 33.Particularly, in the present embodiment, be provided with otch 312 in the end of the 1st axial direction of slip ring 31.Therefore, can be when preventing otch 312 and outer terminal 33 contact, the area of contact of expansion slip ring 31 and outer terminal 33.

And in the present embodiment, each screw hole 311 of three slip rings 31 and three inner terminal 34 all are configured in the 1st axial direction along the slit 124 of axle 12.And according to accordingly above-mentioned, each otch 312 of three slip rings 31 is also arranged along the 1st axial direction.Therefore, can fix from the screw thread that equidirectional is implemented three inner terminal 34.Thus, the fixing operation of screw thread becomes and is more prone to.

3. variation

Above, the mode of execution of the utility model example is illustrated, but the utility model is not limited to above-mentioned mode of execution.

Fig. 9 is the plan view of the related slip ring 31B of a variation.As shown in Figure 9, otch 312B also can be located at the position of staggering a little from over against the position of screw hole 311B.Even screw hole 311B and otch 312B be not located at slip ring 31B over against the position, as long as can be by otch 312B, make fixedly the instrument of inner terminal approach near the of screw hole 311B and get final product.

Figure 10 is the stereogram of the related slip ring 31C of other variation.In the example of Figure 10, at slip ring 31C, through hole 312C is set and replaces otch.Even such shape also can be by through hole 312C, make the fixing instrument of inner terminal approach to screw hole 311C near.That is to say, " opening portion " of the present utility model can be otch as shown in Figure 6, also can be through hole as shown in figure 10.

But, in the situation that adopt otch, not only can from the side insertion tool of otch, also can insert from the top of otch.Therefore, consider from the viewpoint of the easy degree of insertion tool, compare preferred otch with through hole.And, even in the situation that adopt through hole, also preferably through hole is arranged on the position of staggering from the central authorities of the 1st axial direction of slip ring.Like this, can be when preventing through hole and outer terminal contact, the area of contact of expansion slip ring and outer terminal.

And, as other variation, also can adopt resistance welding, ultrasonic welding or laser bonding, come in the fixing inner terminal of the inner peripheral surface of slip ring.When implementing these welding, if be provided with otch or through hole at the slip ring place, also can by this otch or this through hole, make instrument approach the place of welding.Therefore, can easily inner terminal be welded on the inner peripheral surface of slip ring.

As above-mentioned the 2nd mode of execution, generator is configurable in the front portion in cabin, also configurable position at other.For example, generator is configurable in the inside in cabin or the rear portion in cabin.And in the present embodiment, the quantity of slip ring is three, but is not limited to aforesaid way.The quantity of slip ring can be one, two, also can be more than four.And the shape of the opening portion that arranges at the slip ring place is not limited to the shape shown in each figure of the application.

In addition, about the shape of the trickle part of each parts, also can be different from the shape shown in each figure of the application.And each key element that occurs in above-mentioned mode of execution or variation can suitably make up in the scope that does not conflict.

The utility model can be used in wind generating unit.

Claims

1. a wind generating unit, is characterized in that,

This wind generating unit has:

Supporting part, it is cylindric extension along the 1st axis;

The cabin, it is rotatable by bearing by described support member supports;

Generator, it is installed on described cabin;

Rotary wings, it is connected in described generator, rotates centered by the 2nd axis;

Conductive member cylindraceous, it is relatively static with respect to described supporting part;

Outer terminal, it is electrically connected on described generator, contacts movably the outer circumferential face of described conductive member with respect to the outer circumferential face of described conductive member; And

Inner terminal, the mode that it is fixed or weld by screw thread is fixed in the joint of the inner peripheral surface that is arranged on described conductive member,

Described conductive member has opening portion with described joint opposed position.

2. wind generating unit according to claim 1, is characterized in that,

Described inner terminal screw thread is fixed in described joint.

3. wind generating unit according to claim 2, is characterized in that,

Described joint has screw hole,

When observing from the side, described opening portion is greater than described screw hole.

4. the described wind generating unit of any one to the claim 3 according to claim 1, is characterized in that,

Described opening portion and described outer terminal are configured in the mutually different position on the 1st axial direction.

5. wind generating unit according to claim 1, is characterized in that,

Described opening portion is arranged on the position of staggering from the central authorities of the 1st axial direction of described conductive member.

6. wind generating unit according to claim 5, is characterized in that,

Described opening portion is arranged on the otch of end of the 1st axial direction of described conductive member.

7. wind generating unit according to claim 1, is characterized in that,

Described wind generating unit has:

A plurality of described conductive members, they are arranged along the 1st axial direction;

A plurality of inner terminal, they are corresponding to a plurality of described conductive members; And

Insulating element, it is configured between a plurality of described conductive members.

8. wind generating unit according to claim 7, is characterized in that,

Each joint of a plurality of described conductive members is arranged along the 1st axial direction,

Each opening portion of a plurality of described conductive members is arranged along the 1st axial direction.

9. wind generating unit according to claim 8, is characterized in that,

Described supporting part comprises the axle cylindraceous of the inboard that is inserted in a plurality of described conductive members,

Described axle has the slit that extends along the 1st axial direction,

A plurality of described inner terminal are configured in the 1st axial direction along described slit.

10. the described wind generating unit of any one to the claim 9 according to claim 7, is characterized in that,

Described insulating element has recess near described joint.

11. wind generating unit according to claim 1 is characterized in that,

Between described supporting part and described cabin, have a pair of described bearing,

Between a pair of described bearing, dispose described conductive member.

12. wind generating unit according to claim 1 is characterized in that,

Described cabin also has:

Joint, it is configured in the end face opposite with described rotary wings; And

Empennage, it can joltily be mounted by described joint.

13. wind generating unit according to claim 7 is characterized in that,

The quantity of described conductive member is three.

14. wind generating unit according to claim 7 is characterized in that,

Described insulating element also has:

Inboard insulation division cylindraceous; With

From the outer circumferential face of described inboard insulation division outstanding lip part laterally.