A kind of wind generating unit being applied to pure electric automobile
Technical field
The utility model relates to a kind of pure electric automobile energy recycle device, and particularly a kind of automobile running windage, recovered energy of reducing is to improve the wind generating unit of pure electric automobile course continuation mileage.
Background technique
At present, along with the continuous increase of automobile pollution, energy crisis more and more receives the concern of society.How to realize pure electric automobile energy regenerating when not changing existing car body profile and become automobile making dealer and relevant practitioner technical barrier urgently to be resolved hurrily.
Electrokinetic cell is the sole power source of pure electric automobile, and the course continuation mileage of battery capacity on electric vehicle has vital impact.Windage exists all the time in vehicle traveling process, and when galloping, the consumption of windage to the energy is one of main energy consumption, and this course continuation mileage to electric vehicle produces considerable influence.Wind energy is a kind of clean energy resource, wind generating technology is applied on electric vehicle, wind wheel is driven to drive electrical power generators with resistance wind during galloping, portion of energy recovery is carried out while reducing windage by appropriate design, can not only energy consumption be saved, and the course continuation mileage of electric vehicle can be improved.How to realize the utilization to wind energy, people have carried out various trial.A kind of vehicle wind generation device disclosed in Chinese patent literature data [application number: 201020649114.6 publication numbers: CN 201941609 U], its feature is, at roof, the housing of wind-driven generator, fan and generator are installed, utilize the head-on wind of automobile running to drive wind wheel to rotate to generate electricity, the shortcoming of this design is the wind-exposuring area greatly increasing automobile, adds the running resistance of automobile.The rotational noise of roof fan can affect the riding comfort of member simultaneously; Another kind of wind-energy assisted electric vehicle [application number: 201010500090.2 publication numbers: CN 102442216 A], its feature is, C type wind wheel is positioned at automobile body fore-cabin, and automobile body fore-cabin covers and is provided with some gill-like air outlets.The shortcoming of this design is that wind wheel is placed in the position of front deck middle, occupies the position of air-conditioning system cooling water tank.Front hatch cover outputs gas port, and rainwater is easy to enter front deck, brings potential safety hazard.In addition, automobile chassis outputs air port, affects high speed traveling stability.
Model utility content
For the deficiency that prior art exists, the utility model provides a kind of automobile running windage, recovered energy of reducing to improve pure electric automobile course continuation mileage wind generating unit.
To achieve these goals, the utility model adopts following technological scheme:
A kind of wind generating unit being applied to pure electric automobile, comprise wind-collection cover, wind wheel, generator and charging control circuit, described wind-collection cover is arranged in automobile front chamber, described wind-collection cover front end has intake grill, the side, air port of described intake grill is provided with some guide plates, described wind-collection cover rear end has exhaust outlet, connects air delivery pipeline after described exhaust outlet, is provided with described wind wheel in described wind-collection cover; Described wind wheel comprises blade and line shaft, and described blade connects described line shaft by connection strap, and described line shaft connects described generator by elastic dowel pin shaft coupling, and described generator connects described charging control circuit by wire.
This wind generating unit is arranged in automobile front chamber, the object done like this making full use of automobile front chamber space while, utilizes front hatch cover to play good protective action to device on the one hand, do not need to change existing car conour, additionally can not increase the wind-exposuring area of automobile, can not bring inconvenience to the use of automobile; On the other hand, in the utility model, the side of wind-collection cover front end intake grill is provided with the wind deflector of some arcs, be mainly used to the wind collecting air-conditioning system water tank cooling fan, the design of curved surface is also provided with arc deflector wind can be made to enter wind-collection cover more smoothly, avoids wind vertically to blow to the inner casing of wind-collection cover.Consider the layout that there are other parts in pure electric automobile front deck, wind-collection cover asymmetric design, wind wheel is arranged between the intake grill of wind-collection cover and exhaust outlet, exhaust outlet described in the utility model is at the end of wind-collection cover, exhaust outlet mainly rises and lets out wind action, during galloping, the wind entering high speed winds and air-conditioning system water tank cooling fan via air-inlet grille can form larger Inner eycle resistance in front deck, installing this device can collect in wind-collection cover by above-mentioned two kinds of resistance wind, the air delivery pipeline driving the postrotational air-flow of wind wheel to connect through this exhaust outlet is below discharged from the tailstock, the Inner eycle resistance of automobile front chamber can also be reduced to a certain extent while avoiding forming vapour lock in wind-collection cover, reduce the electric energy loss for overcoming windage.In addition, air-flow is discharged from the tailstock can not affect high speed traveling stability.
As further improvement of the utility model, described intake grill makes the curved surface caved inward, and curved surface inwardly reduces gradually, after described intake grill mounting point is close to air-conditioning system cooling fan, and wraps air-inlet grille and cooling fan.
Further, the side, air port of described intake grill arranges nine arc deflectors in the horizontal direction, and the two ends of guide plate described in every sheet and the upper and lower inwall in side, air port of described intake grill are fixed together, and have interval between adjacent two panels guide plate.
The object that above-mentioned wind-collection cover device improves to collect the wind of high speed winds and the air-conditioning system water tank cooling fan entering air-inlet grille to greatest extent, and along with reducing gradually of wind-collection cover, after wind enters wind-collection cover, speed improves gradually.Above-mentioned two kinds enter wind-collection cover and through accelerate wind be used in the lump drive wind wheel rotate, improve the utilization ratio of wind energy.
As further improvement of the utility model, described wind wheel is along the circumferential direction evenly arranged five blades, and each blade is formed by lightweight, that intensity is high carbon fibre material;
Further, the profile of described blade selects NACA0018 airfoil structure in NACA6 series, and described blade is hollow design, inner filling blocking materials.
The object that above-mentioned wind wheel improves with the blade structure of its inside is, described wind wheel adopts aerofoil profile wind wheel, wind wheel is arranged on the position before rear end in wind-collection cover, exhaust outlet, wind wheel blade adopts the lifting-force type vertical-axis wind power generator airfoil fan high to the operation efficiency of air aeroperformance, the large-scale airfoil fan of the utility model to lifting-force type vertical-axis wind power generator reduces in proportion, while ensureing that it has equal outstanding aeroperformance, can also play a role in this comparatively narrow space in the wind-collection cover of automobile front chamber, realize the recovery of energy.The NACA6 series NACA0018 aerofoil profile selecting wind energy utilization the highest in the utility model, wind wheel employing is lightweight, intensity is high, corrosion resistant advanced composite material (ACM) is made, airfoil fan adopts hollow design, inner blocking materials of filling, to improve intensity, has the advantage that threshold wind velocity is low, rotating speed is high, High Rotation Speed noise is little.
Further, described line shaft is parallel to the width direction of vehicle body, described line shaft two ends are along the circumferential direction evenly arranged five grooves, the two ends that described each blade presses close to the side of line shaft all have a groove, and described connection strap two ends are inserted in the described blade groove corresponding with described line shaft respectively.
Further, one end of described line shaft is through a via hole on wind-collection cover housing, be connected with bearing, described bearing is fixed on car body, the other end of described line shaft passes another corresponding via hole of wind-collection cover housing, and the other end port of described line shaft is provided with the first common round end flat key, described line shaft is connected by described first common round end flat key one end with elastic dowel pin shaft coupling, one end of described generator is provided with the second common round end flat key, described generator is connected by the other end of described second common round end flat key with elastic dowel pin shaft coupling.In the utility model, the flexible coupling had elastic component selected by coupling, in vehicle traveling process, because the factors such as Uneven road, wind wheel rotation may cause the vibration of wind-collection cover, and the flexible coupling had elastic component not only can compensate the relative displacement of two between centers, but also there is the ability of buffer shock-absorbing, select this kind of coupling to avoid between wind wheel and generator to be directly rigidly connected, can better run well by assurance device.
As further improvement of the utility model, described generator and described charging control circuit are all fixedly mounted on front deck vehicle frame, and the electric energy that described generator operation produces is stored in battery after charging control circuit.During galloping, the wind of the high speed winds and air-conditioning system water tank cooling fan that enter front deck via air-inlet grille is collected into and enters in wind-collection cover, high velocity air drives wind wheel and line shaft to rotate, line shaft drives generator rotation by coupling, the electric energy that generator operation produces is stored in battery after charging control circuit, and the air delivery pipeline driving the postrotational air-flow of wind wheel to connect through wind-collection cover exhaust outlet is below discharged from the tailstock.
The utility model has following effective achievement:
1. device described in the utility model can when not changing car body profile, for pure electric automobile provides extra power supply system to improve the flying power of pure electric automobile.
2. device described in the utility model achieves miniaturization, vehicle-mountedization of wind generating technology, decreases windage in vehicle traveling process and, to the loss of electric energy, achieves the recovery of portion of energy simultaneously.
3. simple, with low cost, easy for installation, the highly versatile of apparatus structure described in the utility model, has good market prospects.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the global design schematic diagram that the utility model is applied to the wind generating unit of pure electric automobile.
Fig. 2 is the wind-collection cover plan that the utility model is applied to the wind generating unit of pure electric automobile.
Fig. 3 is the wind wheel plan that the utility model is applied to the wind generating unit of pure electric automobile.
In figure: 1-wind-collection cover; 2-wind wheel; 3-line shaft; 4-bearing; 5-elastic dowel pin shaft coupling; The common round end flat key of 6-first; The common round end flat key of 6-1-second; 7-generator; 8-charging control circuit; 9-exhaust outlet; 10-airfoil fan; 11-guide plate; 12-connection strap; 13-intake grill.
Embodiment
Be below the mode of execution of specific embodiment of the utility model, and by reference to the accompanying drawings the technical solution of the utility model be further described, but the utility model is not limited to these embodiments.
Select Cherry Riich M1-EV as reference vehicle in the present embodiment.The front deck space of this vehicle is relatively well-to-do, only slightly need adjust the position of a few components in front deck, just wind generating unit can be arranged in automobile front chamber.
As Figure 1-3, a kind of wind generating unit being applied to pure electric automobile, comprise wind-collection cover 1, wind wheel 2, generator 7 and charging control circuit 8, described wind-collection cover 1 is arranged in automobile front chamber, described wind-collection cover 1 front end has intake grill 13, the side, air port of described intake grill 13 is provided with some guide plates 11, and described wind-collection cover 1 rear end has exhaust outlet 9, and described exhaust outlet 9 connects air delivery pipeline below; In described wind-collection cover 1, described wind wheel 2 is installed, described wind wheel 2 comprises blade 10 and line shaft 3, described blade 10 connects described line shaft 3 by connection strap 12, described line shaft 3 connects described generator 7 by elastic dowel pin shaft coupling 5, and described generator 7 connects described charging control circuit 8 by wire.
As further improvement of the utility model, described intake grill 13 makes the curved surface caved inward, and curved surface inwardly reduces gradually, after described intake grill 13 mounting point is close to air-conditioning system cooling fan, and wraps air-inlet grille and cooling fan.
As further improvement of the utility model, the side, air port of described intake grill 13 arranges nine arc deflectors 11 in the horizontal direction, the two ends of guide plate 11 described in every sheet and the upper and lower inwall in side, air port of described intake grill 13 are fixed together, and have interval between adjacent two panels guide plate 11.
As further improvement of the utility model, described wind wheel 2 is along the circumferential direction evenly arranged five described blades 10, and each blade is formed by lightweight, that intensity is high carbon fibre material.The profile of described blade 10 selects NACA0018 airfoil structure in NACA6 series, and described blade 10 is hollow design, inner filling blocking materials.
As further improvement of the utility model, described line shaft 3 is parallel to the width direction of vehicle body, described line shaft 3 two ends are along the circumferential direction evenly arranged five grooves, the two ends that described each blade 10 presses close to the side of line shaft 3 all have a groove, and described connection strap 12 two ends are inserted in described blade 10 and the corresponding groove of described line shaft 3 respectively.
As further improvement of the utility model, one end of described line shaft 3 is through a via hole on wind-collection cover housing, be connected with bearing 4, described bearing 4 is fixed on car body, the other end of described line shaft 3 passes another corresponding via hole of wind-collection cover housing, and the other end port of described line shaft 3 is provided with the first common round end flat key 6, described line shaft 3 is connected by described first common round end flat key 6 one end with elastic dowel pin shaft coupling 5, one end of described generator 7 is provided with the second common round end flat key 6-1, described generator 7 is connected with the other end of elastic dowel pin shaft coupling 5 by described second common round end flat key 6-1.
As further improvement of the utility model, described generator 7 and described charging control circuit 8 are all fixedly mounted on front deck vehicle frame, and the electric energy that described generator 7 work produces is stored in battery after charging control circuit 8.
For alleviating the weight of wind wheel 2, manufacture airfoil fan 10 and connection strap 12 all adopt advanced composite material (ACM)---the carbon fibre material that quality is light, intensity is high, and described airfoil fan 10 is hollow design, inner filling supporter.Described wind wheel 2 is selected has outstanding aeroperformance and the aerofoil profile wind wheel that can play efficient effect in automobile front chamber in this comparatively narrow space of wind-collection cover 1.
The working procedure of the wind generating unit of pure electric automobile should be used for:
1), during galloping, the wind of the high speed winds and air-conditioning system water tank cooling fan that enter front deck via air-inlet grille is collected in wind-collection cover 1;
2) high speed winds in wind-collection cover drives wind wheel 2 and line shaft 3 to rotate;
3) line shaft 3 is rotated by elastic dowel pin shaft coupling 5 and common round end flat key drive electrical generators 7;
4) electric energy that generator 7 work produces reaches charging control circuit 8 through wire;
5) electric energy is stored in batteries of electric automobile after charging control circuit, realizes recovery windage being carried out to portion of energy in vehicle traveling process, improves the flying power of electric vehicle;
6) pipeline of dredging driving the postrotational air-flow of wind wheel 2 to connect through exhaust outlet 9 is below discharged from the tailstock.
Embodiment recited above is described preferred implementation of the present utility model; not design of the present utility model and scope are limited; under the prerequisite not departing from the utility model design concept; the various modification that in related domain, common engineers and technicians make the technical solution of the utility model and improvement, all should fall into protection domain of the present utility model.