CN1085302C

CN1085302C - Wind-driven generating equipment

Info

Publication number: CN1085302C
Application number: CN97107614A
Authority: CN
Inventors: 葛开茂
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-31
Filing date: 1997-07-31
Publication date: 2002-05-22
Anticipated expiration: 2017-07-31
Also published as: CN1207459A

Abstract

The present invention relates to a wind power generating device matched with a circulating water system. A wind wheel can horizontally change directions according to the wind direction, so a water pump is driven to make water operate in a circulation mode for generating electricity by driving a water wheel generator; at least a group of low pressure water supply pipes and high pressure sewer pipes which are vertically arranged are arranged in the circulating water system, and the starting end of each of the low pressure water supply pipes is connected with a water storing structure; at least one wind collecting and energy gathering unit which is composed of a variable water pump driven by the wind wheel and a one way valve connected with the variable water pump is arranged in the vertical segment of each of the low pressure water supply pipes, and is connected with each of the low pressure water supply pipes; each of the low pressure water supply pipes is connected with each of the high pressure sewer pipes on the top of the upper part of each of the low pressure water supply pipes; the end of each of the high pressure sewer pipes is connected with a pressure balance chamber, and high pressure water with constant pressure in the pressure balance chamber is led into the water wheel generator set; a water discharging channel with an automatic valve which can be controlled by the preset pressure of the pressure balance chamber is arranged between the pressure balance chamber and the water storing structure.

Description

Wind generating unit

What the present invention relates to is a kind of wind generating unit that is used in combination by circulation and hydraulic generator unit.

Wind energy is a kind of inexhaustible, nexhaustible green energy resource, and in development plan has been listed wind-power electricity generation by existing in the world at present many countries.But the power of the monomotor group of wind-power electricity generation is generally all smaller at present, and some can only be used to produce low-voltage DC.The wind energy of disperseing is directly to carry the practical difficulty that powerful Ac ran into to electrical network.

Present wind-power electricity generation mode except that by wind wheel through gear-box drives power generating equipment, match with circulation, driving the hydraulic turbine generator generating by pressure flow also is a kind of mode, as, SU 1813917-A1 is to this existing introduction.But its wind tower of single-stage normally on vertical height, so be difficult to the work water pressure and the energization density that reach higher.In addition, NL 8004268, and DT 2838139, and what FR 2384964 waited some reported in literature is the another kind of mode that is driven generator for electricity generation by wind wheel through oil hydraulic pump by oil hydraulic motor.Because be subjected to the Power Limitation of oil hydraulic motor, it will drive powerful generator set and still have any problem at present.On the other hand, above-mentioned generation mode normally drives the driving mode of " one to one " of a generator set with the single wind wheel on the wind tower, even introduce and to drive a generator by two shared oil hydraulic motors of wind wheel as FR 2384964, but it can allow shared wind wheel quantity still limited, and generated output is difficult to increase substantially equally.

First purpose of the present invention is to provide a kind of at above-mentioned situation can increase substantially monomotor group generated output, adopts the wind generating unit that is used in combination by circulation and hydraulic generator unit.Second purpose of the present invention is to provide a kind of with higher wind energy conversion efficiency on this basis, and what make that wind energy more made full use of passes through the wind generating unit that circulation and hydraulic generator unit are used in combination.

The wind generating unit that the present invention relates to drives the generating of hydraulic generator unit by water cycle being moved according to the wind wheel drive water pump that wind direction turns to as level.At least should include the low pressure water inlet and the high pressure sewer of a pair of vertical setting in its circulation, the top of low pressure water inlet links to each other with containment structures.At least being provided with a variable water pump that is driven by wind wheel and the energy collecting unit of collecting folk songs that one-way valve constituted that is attached thereto in the vertical section of low pressure water inlet is connected with this low pressure water inlet.Low pressure water inlet top above it is connected with the high pressure sewer, the end of high pressure sewer is connected in surge-chamber, himself can be provided with the valve with the water turbine adapted routinely, with prevent little wind or when calm water in the high pressure sewer flow to containment structures by water turbine, cause its water storage excess to be overflowed.The high pressure water of constant pressure then is introduced into the hydraulic generator unit in the surge-chamber.Be provided with between surge-chamber and the containment structures and have the automatic valve that can be subjected to surge-chamber preset pressure control or the current by pass of other form, so that the earial drainage when wind-force is superpower keeps the constant and complete machine safety for the pressure of the high pressure water that drives hydraulic turbine generator.The purpose of above-mentioned employing variable water pump is for changing its output water yield to the difference of wind wheel drive condition according to the variation of wind-force size, and with the variable water pump of the gear pump with variable capacity mode of structure of existing report for well.Above-mentioned said by be provided with in pairs vertically and up the pipeline that become with the high pressure sewer of the low pressure water inlet that is connected of top generally can adopt the high pressure sewer to be positioned at bushing type pipeline outside it at interior, low pressure water inlet.This pipeline also can be used as the supporting structure that carrying energy collecting unit and other member dead weight are used simultaneously, needn't the ad hoc again pylon bearing structure as shown in above-mentioned document.Said these pipelines are when surface deployment so that it arranges and surrounds the energy collecting wind field of the polygonal framework formation formulas such as Hexagon of rule by ranks, be coupled to each other with structures such as interconnected trusses therebetween fixing, to increase the stability that opposing high wind is overturned.The top of each low pressure water inlet all links to each other with containment structures, and the end of each high pressure sewer converges at said surge-chamber, can collect that the high pressure water of respectively organizing pipeline is common to drive one or match the hydraulic generator unit generating of some different capacities.

For further improving the generated output of wind-power electricity generation, the above-mentioned low pressure water inlet or the vertical section of sleeved pipe can be connected and composed through linkage structure by two sections or multistage pipeline section, the connection part place of each pipeline section all can be provided with the said energy collecting unit of collecting folk songs, then promptly all can there be a plurality of energy collecting unit of collecting folk songs to work simultaneously in each vertical pipeline, water is promoted step by step, carry with the potential energy increase of water and to the high pressure sewer, and can be with above-mentioned energy collecting wind field by pipeline networking and usefulness.

As everyone knows, in the normal wind excursion, wind wheel need a variable load resisting moment bring up one with wind-force adapt by the formed axial velocity component in wind wheel blade face, so that the conversion efficiency of raising wind energy.If what use in said structure is as the existing open variable water pump of reporting the gear pump with variable capacity mode of structure of being introduced, because what adopt in its structure is a pair of working gear that the driving gear determined by the position and axially displaceable driven gear constitute, change the length of action of itself and driving gear by regulating driven gear moving vertically, reach and regulate and the change output flow, and produce corresponding variable load resisting moment simultaneously, can be used to control the axial velocity component that the wind wheel blade face forms effectively when work, realize obtaining higher wind energy conversion efficiency.Therefore it changes to change the output flow of water pump at any time and make full use of and will demonstrate obvious superiority aspect the wind energy adapting to wind-force.

With wind wheel or wind wheel seat be arranged at can reciprocating vertically structure on, and can make it to be associated with the wind direction empennage, make wind wheel can keep consistent with wind direction.With the reset components of this structure and appropriate format, for example match with the elastic reset member, it can be moved back and forth vertically accordingly with the variation of wind-force size.This axially reciprocating of wind wheel or wind wheel seat combines with the driven gear of above-mentioned variable gear water pump, just can be used to the flow of controlled variable water pump, and the rotating power of wind wheel seat can pass to the variable pump working by the gear-box speedup.

This shows that the present invention structurally is again a kind of hydroelectric installation that does not rely on water conservation reservoir, is to be the water source at ducted circulating water, by wind-force water can be compiled, and head then is by the formed drop of high pressure sewer.Pipeline wherein, hydraulic generator unit, and aspect such as building related then all belong to present mature technology, repeat no more.

Below with example shown in the drawings foregoing of the present invention is described further, what adopt in the example is the structural type of collect folk songs the energy collecting unit and the sleeved pipe installation setting of variable gear water pump.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following example.

Fig. 1: the working principle schematic representation of wind generating unit of the present invention

Fig. 2: the local arrangement of the adoptable energy collecting wind field of wind generating unit of the present invention

The A-A view of Fig. 3: Fig. 2

Fig. 4: the appearance assumption diagram of the energy collecting unit of collecting folk songs in the wind generating unit of the present invention

Fig. 5: the pipeline section linkage structure among Fig. 4

The B-B view of Fig. 6: Fig. 5

Fig. 7: the structure component of J fragment position among Fig. 4

Fig. 8: the structure component of K fragment position among Fig. 4

Fig. 9: the structure component of L fragment position among Fig. 4

Figure 10: the structural drawing of the variable gear water pump among Fig. 4

The G-G sectional view of Figure 11: Figure 10

Figure 12: the left view that has Figure 11 of E-E half section

As shown in the figure, Fig. 1 is the working principle of the said wind generating unit that is used in combination by circulation and hydraulic generator unit of the present invention.Driving gear pump with variable capacity 3 by wind wheel makes the water cycle operation and drives 9 generatings of hydraulic generator unit.This circulation comprises some groups by being provided with in pairs vertically and the sleeved pipe that constituted of the low pressure water inlet 11 that is connected of top and high pressure sewer 12 up.Its set-up mode can adopt with interconnected trusses 55 interconnected fixing, and it is arranged by column-row arrangement as shown in Figures 2 and 3, and the form that its polygonal framework type such as Hexagon that surround rule is arranged.Each is organized sleeved pipe and all adopts with high pressure sewer 12 at sleeve pipe 24 interior, that low pressure water inlet 11 is positioned at form outside it, and respectively organize sleeved pipe all simultaneously as carrying energy collecting unit and other member dead weight bearing structure.Each joint, top, top of organizing the high low pressure water pipe can be provided with exhaust obstruction 1, the air during for test-run a machine in the discharging blank pipe.The top of each low pressure water inlet 11 all links to each other with containment structures 10, the end of each high pressure sewer 12 can be communicated with having routinely with the surge-chamber 6 of the valve of water turbine adapted by pipe network is common, and the hydraulic generator unit 9 that makes one of the high pressure water driving of its constant pressure again or match some different capacities generates electricity.Be provided with the current by pass 7 that has the automatic valve 8 that the preset pressure that can be subjected to surge-chamber 6 controls between surge-chamber 6 and the containment structures 10, when causing because of superpower wind-force that hydraulic pressure is too high to surpass preset pressure, earial drainage automatically is to guarantee the complete machine safe operation.Under high pressure also be provided with venting gas appliance 4 between water pipe 12 and the surge-chamber 6, be used for discharging the gas of sneaking into circulating water pipeline, and can have corresponding pipeline to be communicated with, to prevent the loss of water amount with containment structures.6 of high pressure sewer 12 and surge-chambers can add a stop valve 5, and with containment structures 10 between be arranged in parallel with another stop valve be communicated with bypass 13, use in the time of can be for Maintenance and Repair.The vertical section of each sleeved pipe 24 is linked in sequence through linkage structure 14 by some pipeline sections and forms, as shown in Figure 4.

As seen from Figure 4, wind wheel 25 is installed on the wind wheel seat 28, and its power drives 3 work of variable gear water pump through gear-box 22.Variable gear water pump 3 is connected on the pipeline section linkage structure 14 through pivoting support frame 17, and is communicated with low pressure water inlet 11 in below and the last square casing pipeline section 24 respectively through intake pipe 15 and the outlet pipe 16 that is serially connected with an one-way valve 2.Pass wind wheel seat 28 by strut 36 lengthening afterbodys and the rudder 30 that has a wind direction empennage 37, by connecting with pivoting support frame 17 with gear-box 22, variable gear water pump 3, realization makes the function of wind wheel 25 energy box haul.

Fig. 5 and shown in Figure 6 be the structural type of a kind of linkage structure 14 of being adopted between the sleeve pipe pipeline section described in Fig. 4.Its with the sleeve pipe pipeline section is connected up and down fixed base on be equipped with and can be used to connect the pivoting support frame 17 of energy collecting unit of collecting folk songs around its center steering, along its circumference be provided with three axis all vertical with the pipeline section center line and can along the ring-type raceway on this fixed base 18 roll load-bearing roller 19, and three can be rolled and all parallel with the sleeve pipe center line centering rollers 20 of its axis along this raceway 18 equally.They can reduce the resistance of energy collecting unit box haul.There is one to insert the central duct 53 that can directly be communicated with behind the pipeline in the linkage structure 14 with the center high pressure sewer 12 of two ends sleeve pipe, and its axial two end part respectively have one group to separate mutually and the end face opening is respectively applied for the cavity 21 that is communicated with the low pressure water inlet 11 of upper and lower institute connected set pipe pipeline section, and by with the movable cylinder sleeve 54 that is positioned on can rotating bearing support 17 on separately dypass passage, be communicated with the intake pipe 15 and the outlet pipe 16 of variable gear water pump 3 respectively.

Shown in Figure 7 is among Fig. 4 gear-box in the J fragment position 22 is connected with wind wheel seat 28 a kind of drive mechanism at position.Wind wheel drives hollow spindle 27 rotations through wind wheel seat 28 and axial antifriction bearing 29, and the gear transmission speedup in gear-box 22 is passed to output shaft 23 to power again.The output shaft 23 of gear-box 22 will link to each other with the main shaft 50 of the driving gear 49 of variable gear water pump 3, make wind wheel drive 3 work of variable gear water pump.The rolling bearing of installing on the bearing support 31 of this hollow spindle 27 41 is supporting and is being arranged at its inner and outward extending hollow rudder 30, and its afterbody will be provided with wind direction empennage 37, thereby makes its energy box haul.Introduce in the lump in this same structure that the concrete structure of axial antifriction bearing 29 wherein will adopt in the variable gear water pump of Figure 10.

Shown in Figure 8 is a kind of structure of K fragment position among Fig. 4.In above-mentioned hollow rudder 30, also be provided with the regulating tie bar 26 that to make axially reciprocating, the end face seal body 44 that the one end is used for being connected with variable gear water pump 3 axially displaceable driven gears 47 is connected, the other end is equipped with driving pin 33, to-and-fro motion in the guiding waist shape elongated slot 40 that this driving pin 33 can be offered on rudder 30 vertically.Afterbody at the driving pin place of regulating tie bar 26 end also is provided with the pressure spring 34 with suitable rigidity.The other end that one end is connected in the rain-and-snow protective cover 35 of wind wheel seat 28 and double as linkage structure is equipped with axial thrust bearing 32 and the bearing inner sleeve 39 that is nested with on hollow rudder 30.When wind-force from large to small the time, spring 34 can be by driving pin 33, bearing inner sleeve 39, axial thrust bearing 32 and rain-and-snow protective cover 35 with wind wheel seat 28 corresponding resetting, and regulating tie bar 26 also will be turned the flow of variable gear water pump 3 down automatically with diminishing of wind-force.When wind-force changed from small to big, the motion that is caused by wind-force and the variation of flow were then in contrast.The to-and-fro motion of wind wheel seat 28 and rain-and-snow protective cover 35 is spacing by the two ends of bearing support 31, is not damaged with the protection associated components.Tail end at regulating tie bar 26 also is provided with the less extension spring of a rigidity 38 simultaneously, the driven gear 47 that is used for offsetting variable gear water pump 3 is because of from the suffered axial force of water column hydraulic action in its water outlet top water pipe pipeline section, is subjected to the influence of this axial force and sensitivity when keeping the Moderator Variable gear water pump equally so that wind-force is unlikely when the wind wheel seat is done axial motion with little wind-force when diminishing.

Shown in Figure 9 is a kind of structure of L fragment position among Fig. 4, at the afterbody of rudder 30, links into an integrated entity by strut 36 lengthenings and with wind direction empennage 37, to realize box haul.

Figure 10, Figure 11 and a kind of structure that is the variable gear water pump among Fig. 4 shown in Figure 12.The other end of the above-mentioned variable gear water pump 3 that is connected with pivoting support frame 17 links to each other with gear-box 22.The content that its detailed variable principle and basic structure can be consulted CN 96233770.6.In the basic structure of this variable gear water pump, have a pair of can intermeshing external gear, one of them is the driving gear 49 that axial position is determined, another is on the central shaft 45 that is arranged in the pump housing and can makes the driven gear 47 of axial motion thereon.The sealing ring gear that one end of driven gear 47 is equipped with an interior shape and its profile of tooth matches and axial position is determined, its other end contacts with end face seal body 44 on being arranged at central shaft 45.The driving shaft 50 of the driving gear 49 in this variable gear water pump 3 is connected with the output shaft 23 of above-mentioned gear-box 22; The end face seal body 44 that can make the driven gear 47 of axial motion is connected with above-mentioned regulating tie bar 26.The rotation of wind wheel 25 can drive the main shaft 50 and driving gear 49 rotations of gear pump with variable capacity 3 through the output shaft 23 of hollow spindle 27 and gear-box 22.Simultaneously, the variation of wind-force size makes wind wheel seat 28 can drive the driven gear 47 that is meshed with driving gear 49 in the variable gear water pump 3 along the axially reciprocating of this hollow spindle 27 by regulating tie bar 26 and does axial motion, thereby realizes the output flow according to the variation automatic variable gear water pump 3 of wind-force size.Surface friction drag when reducing these driven gear 47 axial motions, 45 of driven gear 47 and central shafts are provided with the axial antifriction bearing 56 with axial antifriction bearing 29 same structures employed in figure 7.This axial antifriction bearing forms ring-type raceway 51 by the bearing cap at bearing outside 42 and separated type raceway cover 46 and two ends, steel ball 48 in this raceway can be made pure rolling between the raceway of central shaft 45 and separated type raceway cover 46, and overlap in the 46 formed rectangle raceways at bearing outside 42 and separated type raceway, steel ball 48 can freely pass through.This axial antifriction bearing can reduce a upper member and the frictional force between himself; Its another function is promptly to be used for transmitting the moment of torsion of wind wheel as the axial antifriction bearing among above-mentioned Fig. 7 29 by the steel ball transmitting torque of raceway on the central shaft.In order further to reduce the resistance of driven gear 47 axial motions, handing-over position at end face seal body 44 and driving gear 49 end face seal structures 52 also is provided with roller 43 or other similar rolling member, in order to reduce friction, to improve the control sensitivity of regulating tie bar 26.

Be understood that by foregoing, the principle of wind generating unit of the present invention is simple, and help improving the conversion efficiency of wind energy, its power can be determined by the quantity of the energy collecting unit that is provided with, therefore can improve the generated output of monomotor group greatly, even can near or reach and the existing water power plant generated output of the monomotor group of analogy mutually, so aspect the large-scale developing and utilizing of wind energy, have very important Practical significance.Particularly water system wherein is set to prevent the system of the closed circulation of water loss, also can make this electricity generating device of the present invention become possibility in the use as water-deficient areas such as deserts.

Claims

1. wind generating unit that matches with circulation, drive the generating of hydraulic generator unit by water cycle being moved according to the wind wheel drive water pump that wind direction turns to as level, it is characterized in that having at least in the circulation one group of vertically low pressure water inlet (11) and high pressure sewer (12) of setting, the top of low pressure water inlet (11) links to each other with containment structures (10), at least the energy collecting unit of collecting folk songs that the one-way valve (2) that is provided with a variable water pump (3) that is driven by wind wheel (25) and is attached thereto in the vertical section of low pressure water inlet (11) is constituted is connected with it, low pressure water inlet (11) top up is connected with high pressure sewer (12), high pressure sewer (12) end is connected in surge-chamber (6), and the high pressure water of its constant pressure introduced hydraulic generator unit (9), be provided with between surge-chamber (6) and the containment structures (10) and have the current by pass (7) that can be subjected to the automatic valve (8) that surge-chamber (6) preset pressure controls.

2. wind generating unit as claimed in claim 1 is characterized in that said variable water pump (3) is the variable gear water pump.

3. wind generating unit as claimed in claim 1 or 2, it is characterized in that said low pressure water inlet (11) and high pressure sewer (12) for the high pressure sewer at sleeve structure interior, that the low pressure water inlet is positioned at form it outside, and this sleeve pipe comprises the supporting structure of wind wheel (25) in interior energy collecting unit for carrying simultaneously.

4. wind generating unit as claimed in claim 1 or 2, the vertical section that it is characterized in that said at least low pressure water inlet (11) by at least two sections pipeline sections through linkage structure (14) be linked in sequence become, the connection part of pipeline section is provided with the said energy collecting unit of collecting folk songs.

5. wind generating unit as claimed in claim 3, the vertical section that it is characterized in that said sleeve pipe by at least two sections pipeline sections through linkage structure (14) be linked in sequence become, the fixed base of the linkage structure that is connected with sleeve pipe (14) is provided with and can be used to be connected the bearing support (17) of energy collecting unit of collecting folk songs around its center steering, at least being provided with three on it can move and all vertical with the pipeline section center line load-bearing roller (19) of axis along the ring-type raceway (18) that linkage structure (14) fixed base circumference is provided with, also being equipped with one group equally can be along the centering roller (20) that this raceway moves and axis is parallel with the pipeline section center line, the central duct (53) that can directly be communicated with the high pressure sewer (12) of last lower tube section is arranged in the linkage structure (14), and axially two end part respectively have one group to separate mutually and the end face opening is respectively applied for the cavity (21) that is communicated with the low pressure water inlet (11) of last lower tube section, and by with the cylinder sleeve (54) that is positioned on can rotating bearing support (17) on separately passage be communicated with the intake pipe (15) and the outlet pipe (16) of variable water pump respectively.

6. wind generating unit as claimed in claim 2, it is characterized in that the driving gear (49) that the position is determined in the said variable gear water pump is driven by the transmission output shaft (23) of hollow spindle (27) through gear-box (22) that wind-engaging wheel seat (28) drives, this hollow spindle (27) is arranged at the hollow rudder (30) that its interior also outward extending afterbody is provided with wind direction empennage (37) by rolling bearing (41) supporting one that is connected by bearing support (31) thereon, also be provided with the regulating tie bar that to do axially to move back and forth (26) in this hollow rudder (30), the end face seal body (44) of one end axially displaceable driven gear (47) in the variable gear water pump is connected with this driven gear (47), the other end of regulating tie bar (26) is provided with one can be with its driving pin (33) reciprocating in the guiding elongated slot (40) that hollow rudder (30) last is offered vertically, and be connected with the resilient member (34) that can make this regulating tie bar (26) make axial reseting movement, hollow rudder (30) is gone up and is equipped with axial thrust bearing (32) through bearing inner sleeve (39), and has linkage structure (35) that this bearing inner sleeve (39) is connected with wind wheel seat (28).

7. wind generating unit as claimed in claim 6, the joint that it is characterized in that said resilient member (34) also can be provided with another elastic reaction direction in contrast and elastic force than its little resilient member (38).

8. as claim 2, one of 6 or 7 described wind generating units, it is characterized in that being provided with one by bearing outside (42) with symmetry status at least between axially displaceable driven gear (47) and central shaft (45) in the said gear pump with variable capacity, the axial antifriction bearing structure (56) that common loop-like raceway (51) of arranging vertically that forms of the raceway cover (46) of separated type and two bearings end cap and the free rolling steel ball (48) that wherein cooperates are constituted, the end face seal body (44) that can make axially reciprocating with regulating tie bar (26) and the motion of the end face seal structure (52) of driving gear (49) join the position rolling member (43) in order to reduce mutual frictional force also are set.

9. as claim 6 or 7 described wind generating units, it is characterized in that between said wind wheel seat (28) and the hollow spindle (27) at least with the axial antifriction bearing structure (29) that symmetry status is provided with one group of closed circular raceway (51) of arranging vertically that is formed jointly by the raceway cover (46) and the bearing (ball) cover of bearing outside, separated type and the steel ball (48) that wherein cooperates is constituted, and be used as the drive splines structure of moment of torsion between wind wheel seat (28) and hollow spindle (27) simultaneously.

10. wind generating unit as claimed in claim 8, it is characterized in that between said wind wheel seat (28) and the hollow spindle (27) at least with the axial antifriction bearing structure (29) that symmetry status is provided with one group of closed circular raceway (51) of arranging vertically that is formed jointly by the raceway cover (46) and the bearing (ball) cover of bearing outside, separated type and the steel ball (48) that wherein cooperates is constituted, and be used as torsion transmission bond structure between wind wheel seat (28) and hollow spindle (27) simultaneously.