CN100361838C - Battery mounting structure for an electric vehicle - Google Patents
Battery mounting structure for an electric vehicle Download PDFInfo
- Publication number
- CN100361838C CN100361838C CNB2005100704886A CN200510070488A CN100361838C CN 100361838 C CN100361838 C CN 100361838C CN B2005100704886 A CNB2005100704886 A CN B2005100704886A CN 200510070488 A CN200510070488 A CN 200510070488A CN 100361838 C CN100361838 C CN 100361838C
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- cooling air
- mounting structure
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- Y02T10/7005—
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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
PROBLEM TO BE SOLVED: To provide a battery mounting structure for an electric vehicle enhancing cooling efficiency of a battery by effectively utilizing traveling wind.
Description
Technical field
The present invention relates to the battery mounting structure of the elec. vehicle that can travel as drive source with electrical motor.
Background technology
The battery of this elec. vehicle driving motor is big, and problem is arranged on the allocation position, about side arm portion from the beginning pipe to retread vehicle that the below extends of car body the example (for example with reference to patent documentation 1) of battery for example is set along side arm portion.
[patent documentation 1] spy opens flat 5-105142 communique
Such structure is disclosed in patent documentation 1: forwardly manage pipe from the beginning in the cart that extend the oblique back lower place of car body, be welded on the bottom of bolt battery box on the carriage on the anterior pipe, the battery the place ahead of taking in this battery box is covered by Internal baffle, the lid of the opening of blocked shroud in rear (レ Star グ シ one Le De) covers, and is configured in the confined space.
It is big that the electrical motor that elec. vehicle is travelled consumes electric power, big to the battery cal val of its power supply.And, in the example of above-mentioned patent documentation 1, by carriage be installed in the battery on the anterior pipe since be configured in that heat in the confined space has an easy delay may.
Summary of the invention
The present invention is in view of the above problems and research and development, and its purpose is to provide effective utilization wind that travels to improve the battery mounting structure of the elec. vehicle of battery cooling effectiveness.
For achieving the above object, in the battery mounting structure of the described elec. vehicle of first aspect present invention, elec. vehicle has the from the beginning vehicle frame that extends to the oblique back lower place of car body of pipe of side arm portion, can travel as drive source with electrical motor, battery to above-mentioned electrical motor power supply is covered by protecgulum the place ahead from car body, described protecgulum in the face of the front wall portion in car body the place ahead forms the cooling air inlet port, directly be exposed to the side arm portion that is installed in above-mentioned vehicle frame from the structure of the wind that travels of cooling air inlet port with the cooling surface of this battery.The side arm portion that sailing is concentrated because cell arrangement is expert at, and cooling surface directly is exposed to the wind that travels, and therefore can increase substantially cooling effectiveness.
Because the front wall portion in the face of car body the place ahead at protecgulum has formed the cooling air inlet port, the wind that travels enters easily, directly blows on the battery, therefore can improve the cooling effectiveness of battery.In the battery mounting structure as the described elec. vehicle of first aspect of second aspect present invention, be provided with cooling element at the cooling surface of above-mentioned battery.
By on the cooling surface of battery, cooling element being set, can further improve the cooling effectiveness of battery.
In the battery mounting structure as first aspect or the described elec. vehicle of second aspect of third aspect present invention, the above-mentioned battery of installing in the side arm portion of above-mentioned vehicle frame circumferentially disposes a plurality of, and each battery interbody spacer is in the below than in the wide position relation in top.
Adopt a plurality of batteries can guarantee the capacity of battery,, guarantee the foot-operated space that is provided with at its rear portion easily because wideer than above below a plurality of batteries space that side arm portion installs.
Fourth aspect present invention as first aspect to the battery mounting structure of the described elec. vehicle of either side of the third aspect, above-mentioned battery clips about the side arm portion of above-mentioned car body and disposes, and disposes other batteries along above-mentioned side arm portion simultaneously.
Adopt a plurality of batteries can guarantee the capacity of battery,, and dispose other batteries, can realize the efficient activity in cell arrangement space along side arm portion simultaneously because clip side arm portion left and right sides setting battery.
Can make between each battery like this to keep appropriate intervals, can reduce the mutual heat affecting of battery simultaneously.
In the battery mounting structure as the described elec. vehicle of first aspect of fifth aspect present invention, louver (Le one バ) is set at above-mentioned cooling air inlet port.
By at the cooling air inlet port louver being set, louver can roughly stop stone or earth etc. and invade from the cooling air inlet port, even if intrusions such as stone enter after also running into louver, this just can prevent from directly to run into battery.
The battery mounting structure as the described elec. vehicle of any one party face in first to the 5th aspect of sixth aspect present invention is provided with from the bonnet of car body rear clad battery, forms the cooling air discharge orifice at above-mentioned bonnet.
By forming the cooling air discharge orifice at bonnet, the cooling air that the cooling air inlet port from protecgulum can be entered forms unobstructed the flowing of the cooling air of guiding cooling air discharge orifice, can reduce air resistance, reduce specific consumption of fuel.
Because from the front and back clad battery, mudstone etc. spatters in the time of can protecting battery to avoid travelling, and can improve durability by protecgulum and bonnet.
Because battery is covered by protecgulum and bonnet, improve aesthetic appearance.
In the battery mounting structure as the described elec. vehicle in the 6th aspect of seventh aspect present invention, above-mentioned cooling air discharge orifice is formed on from vehicular sideview and sees on the side wall portion of the inboard above-mentioned bonnet that overlaps with the side wall portion of above-mentioned protecgulum.
The cooling air discharge orifice that forms on the side wall portion of bonnet is because form the structure of its outside by the side wall portion covering of protecgulum, so can do one's utmost to prevent that stone or earth etc. from entering from the cooling air discharge orifice.
The cooling air discharge orifice is covered by the side wall portion of protecgulum, is difficult to see from the outside, can improve aesthetic appearance.
In the battery mounting structure as the 7th described elec. vehicle of eighth aspect present invention, louver is set at above-mentioned cooling air discharge orifice.
By louver being set, can further make stone or earth etc. be difficult to enter the cooling air discharge orifice at the cooling air discharge orifice.
Description of drawings
Fig. 1 is the whole lateral plan of small-sized (ス Network one ) electric bicycle of one embodiment of the invention;
Fig. 2 is its local abridged planar view;
Fig. 3 is the section-drawing of the III-III line of Fig. 1;
Fig. 4 is the installation constitution block diagram that the expression battery structure is installed to vehicle frame;
Fig. 5 is its front elevation;
Fig. 6 is its lateral plan;
Fig. 7 is its back view;
Fig. 8 is its front elevation of pulling down battery cover etc.;
Fig. 9 is the front elevation of battery structure;
Figure 10 is the section-drawing of the X-X line of Fig. 1;
The section-drawing of the XI-XI line of Figure 11 Fig. 9;
Figure 12 is the whole lateral plan of the small-sized electric cart of another embodiment;
Figure 13 is the section-drawing of the XIII-XIII line of Figure 12.
The explanation of symbol
1 small-sized electric cart, 2 vehicle frames, 3 pipes, 4 side arm portions, 70 battery structures, 71 battery boxs, 71M central tank portion, 71L left side case portion, 71R right side case portion, 72M central battery lid, 72L left side battery cover, 72R right side battery cover, 73M central battery group, 73L left side battery pack, 73R right side battery pack, 76 rubber elastomers, 77 linking strips, 79 liners, 100 small-sized electric carts, 101 pipes, 102 side arm portions, 103 middle frame portions, 104 rear frame portions, 105 handlebars, 106 front forks, 107 front-wheels, 108 power units, 109 back buffer part, 110 trailing wheels, 111 protecgulums, 112 shrouds, 113 inner caps, 114 bonnets, 115 cushions, 116 stretchers, 117 front aproies, 118 back shields, 120 battery structures, 121 battery boxs, 122L, the 122R battery cover, 123L left side battery pack, 123R right side battery pack, 124 central cover, 125 relay units (リ レ one ュ ニ ッ ト), 131 louvers, 132 louvers.
The specific embodiment
Below with reference to Fig. 1～Figure 11 one embodiment of the invention is described.
The elec. vehicle of present embodiment is the small-sized electric cart 1 that carries the mixed type of combustion engine, its lateral plan as shown in Figure 1, local abridged planar view is as shown in Figure 2.
The car body 2 of this small-sized electric cart 1 comprises: from the beginning manage the 3 side arm portions 4 of extending to the oblique back lower place of car body, rearward crooked approximate horizontal is extended after its left and right sides, lower end difference a pair of middle frame portion 5, the rear end that linked by the cross member 5a of this middle frame portion 5 and front end binding and to the rear frame portion 6 of the extended same pair of right and left in oblique back upper place.
The front and back of after-frame 6 middle position by carriage by connecting rod mechanism 12 supporting before the power unit 15 rear portion easy on and off of upper lateral part shake, between the rear portion of the rear portion of this power unit 15 and after-frame 6, buffer part 14 afterwards is installed.
In the combustion engine 16, with the cylinder block 18 of crank case 17 zoariums cylinder 18a is leaned forward, the front of this cylinder block 18 is fixed with cylinder head 19.
The piston 22 that links by connecting rod 21 on the bent axle 20 that crank case is 17 reciprocatingly slides in cylinder 18a, forms combustion chamber 23 between the end face of the piston 22 in cylinder 18a and the cylinder head 19.
On cylinder head 19, disposed control to combustion chamber 23 suck and discharge miscellaneous gas valve (not shown) and light-up plug 24, simultaneously axle opens and closes the camshaft 25 of driving valve door, camshaft 25 by 20 of itself and crank shafts separately sprocket wheel 25a and 20a on the cam chain 26 rotation drivings of setting up.
Overall width direction right side at crank shaft 20 is provided with ACG self-starting motor 27, is provided with the driving wheel (De ラ ィ Block プ one リ) 32 that starts power-transfer clutch 28 and continuously variable unit 31 in overall width direction left side.
Thereby 29 anterior cooperations with the left side of crank case 17 of transmission gearbox engage and extension rearward, and the opening in transmission gearbox 29 left sides is covered by transmission cover 30.
Driven shaft 35 is clipped the left and right horizontal earth's axis by transmission gearbox 29 long on the fore-and-aft direction and transmission cover 30 and props up at the rear of crank shaft 20, sets up ring-type V-type band 34 formation continuously variable units 31 between the flower wheel 33 of the supporting freely of rotation on this driven shaft 35 and above-mentioned driving wheel 32.
Free-wheel clutch 36 is installed between flower wheel 33 and the driven shaft 35, is formed the internal rotor 41 of driving motor 40 with the outer power-transfer clutch of driven shaft 35 one of this free-wheel clutch 36.
Driving motor 40 has external stator 42 around the magnet 41a of this internal rotor 41, by transmission cover 30 supportings.
Rear portion right flank configuration reduction gear 45 along transmission gearbox 29 is covered by gear cap 44, by this speed reduction gearing 45 power is passed to trailing wheel 13 from driven shaft 35.
Promptly, the driven shaft 35 of right-hand perforation transmission gearbox 29 is set in gear cap 44 in parallel to each other, the rear axle 47 of tween drive shaft 46 and supporting wheels 18, between driven shaft 35 and tween drive shaft 46, have the 1st reducing gear, between tween drive shaft 46 and rear axle 47, have second reducing gear 46b, 47b to 35a, 46a.After slowing down, the a/s reduction ratio of the rotation of driven shaft 35 passes to trailing wheel 13.
As mentioned above in present embodiment power unit 15, the power of combustion engine 16 from crank shaft 20 by starting power-transfer clutch 28, continuously variable unit 31, free-wheel clutch 36, driven shaft 35 and reduction gear 45 are delivered to trailing wheel 13, and the power of driving motor 40 is delivered to trailing wheel 13 from its internal rotor 41 by driven shaft 35 and reduction gear 45.
Driving motor 40 be except can helping combustion engine 16 output as electrical motor, is that the electrical generator of electric energy works as the rotation transformation with driven shaft 35.
On the transmission gearbox 29 of the power unit 15 of aforesaid swing unit formula, air purifier 50 is installed.
Above the combustion engine 16 of power unit 15, containing box 51 is set,, in the middle frame portion 5 that forms rectangle with cross member 5a, sets up tanks 52 by rear frame portion 6 supportings of the pair of right and left of vehicle frame 2.
Vehicular body front covers the place ahead of pipe 3 by protecgulum 60, a rear covering shroud 61 of the battery structure 70 of the rear of head pipe 3 and 4 supportings of side arm portion.Bonnet 62 around rear vehicle is provided with covering containing box 51 has formed foot-operated space between a shroud 61 and bonnet 62, covered by stretcher 63 on the Fuel Tank of installing in the middle frame portion 5 52.
Opening can freely openable by cushion 64 obturations above the containing box 51 in bonnet 62.
Fixedly be assembled in driving self-starting motor 53 in the flat case at the left surface of bonnet 62, being fixed with at right flank also is the ACG self-starting motor 54 that is assembled in the flat case.
In the battery structure 70 by side arm portion 4 supporting of vehicle frame 2, the battery pack 73M of chimeric Ni-MH battery (ni-mh) in the chimeric recess about the central authorities of battery box 71,73L and 73R, its exposed portions serve is by battery cover 72M, 72L, 72R covers.Battery box 71 is fixed in side arm portion 4.
Each battery has cylindrical shape, with the contact of its side face or closely connect and be configured to row and form battery pack.
In addition, the left side case 71L of portion, the right side case 71R of portion since with bevelled side arm portion 4 almost parallels, some leans forward as shown in Figure 6.
With reference to Fig. 8, the first half at the 71M of central tank portion forms the central battery group 73M chimeric recess 71Ma chimeric from the rear, forms chimeric recess 71La and the 71Ra that embeds from oblique rear along above-below direction upper left side battery pack 73L and right side battery pack 73R in whole long size respectively at left side case 71L of portion and the right side case 71R of portion
The 71M of central tank portion is as the left and right sides width greater than upside such as the left and right sides width of downside shown in Fig. 9 waits, left side 71L of case portion that launches about therefore by connecting part 71c, 71c and right side case portion 71R front see be for the splayed configuration below wide.
The upper end that forms carefully on the top of the 71M of central tank portion utilizes bolt 75 to be fixed in the side arm portion 4 by rubber elastomer 76, opposite side below is divided into two strands two bottoms and embeds and be fixed on its front end protrusion and embed on the pad 79 of circular hole of linking strip 77 left and right end portions, utilize at the central portion of this linking strip 77 bolt 80 side arm portions 4 the bottom difference and fix with the 4a of difference portion that left and right sides middle frame portion 5,5 links.
Promptly, the upper end of battery box 71 71M of central tank portion is fixed on the top of side arm portion 4, the linking strip 77 that the lower end installs and fixes is fixed on the 4a of below difference portion of side arm portion 4.
A plurality of positions of the circumference of each chimeric recess 71La, the 71Ra of left side case 71L of portion and the right side case 71R of portion form the installation projection 81 with cloudy Luo pit.
Overlap the left side battery cover 72L and the right side battery cover 72R of the long size rectangle of the recess that is formed with corresponding each chimeric recess 71La, 71Ra respectively for 71L of this left side case portion and the right side case 71R of portion, left side battery pack 73L and right side battery pack 73R (with reference to Figure 11) are accommodated in inside clamping respectively.
The above-mentioned installation projection 81 of corresponding left side case 71L of portion and the right side case 71R of portion forms the installation projection 82 of circumference formation mounting hole separately on left side battery cover 72L and right side battery cover 72R, at the left side case 71L of portion and the right side case 71R of portion respectively with after left side battery cover 72L and right side battery cover 72R overlap, by tightening screw 83 is inserted in the hole that projection 82 is installed, screw togather with the cloudy Luo pit that projection 81 is installed, left side battery cover 72L and right side battery cover 72L are fixed with the left side 71L of case portion and the right side case 71R of portion of battery box 71 respectively.
As shown in figure 11, the bottom surface of the chimeric recess 71La of the 71L of left side case portion is the continuous waveform that forms of semicircle cambered surface along the periphery of cylindrical battery.
The corresponding concave part bottom surface of same left side battery cover 72L also is along the continuous waveform that forms of the semicircle cambered surface of each battery periphery.
Therefore, each battery of the left side battery pack 73L that accommodates with left side case 71L of portion and left side battery cover 72L clamping, the big heat conduction easily of the heating surface area of battery and the left side case 71L of portion and left side battery cover 72L, the heat that battery produces are easily by left side 71L of case portion and left side battery cover 72L heat radiation.
The 71R of right side case portion also is identical structure with right side battery cover 72R.
In addition, outstandingly respectively on cooling surface 71Lb, the 71Rb of the face forward of left side case 71L of portion and the right side case 71R of portion form cooling element 71Lc, the 71Rc (with reference to figure 9) that five long up and down dimensional directions are pointed to.
As shown in figure 10, cooling element 71Lc, 71Rc and about tiltedly cooling surface 71Lb, the 71Rb of the left side 71L of case portion that launches of the place ahead and left side battery cover 72L is angled and directly forwards outstanding.
The 72M of central tank portion of battery box 72 first half as shown in Figure 8 forms the chimeric recess 71Ma of chimeric central battery group 73M, and lower part sets relay unit 55 and power supply with fuse 56.
Covering central battery lid 72M on the chimeric central battery group 73M of the chimeric recess 71Ma of the 72M of central tank portion of this battery box 72, fixing by tightening screw 84 on every side.Relay unit 55 and power supply with covering above the fuse 56 on electric power loop lid 85, fixing by tightening screw 86.
The fwd in step space props up shroud 61 and comprises: with head pipe 3 and the upside cap 61a of protecgulum 60 from the front and back covering; The cap 61b of downside central authorities with the back continuous, that cover the battery structure 70 that supports by side arm portion 4 of side cover 61a on this; From the cap 61b of this downside central authorities to the left and right tiltedly the place ahead extend clad battery structure 70 about the medial branch shroud 61c of portion, 61c; The lateral branch shroud 61d, the 61d that launch to the crooked left-right symmetric in oblique rear in the front-end edge portion of this medial branch shroud 61c of portion, 61c.
The forwards extended front apron 65 from middle position of the medial branch shroud 61c that launches about shroud 61,61c clamping be installed in integratedly front fork 8 cover front-wheels 9 above.
Therefore, concern from the shroud 61 of battery structure 70 and the position of front apron 65, as shown in figure 10, about the oblique space configuration side arm portion 4 of a place ahead shroud 61 that launches and front apron 65 that is positioned at its central the place ahead, and setting battery structure 70.
Space between shroud 61 and the front apron 65 circular arc space S of opening forwards about forming on the section shown in Figure 10, side arm 4 is positioned at the central authorities of this circular arc space S, the 71M of central tank portion, central battery group 73M, central battery lid 72M are positioned at its rear, the left side case 71L of portion, left side battery pack 73L, left battery cover 72L be towards the opening in left side, and the right side case 71R of portion, right side battery pack 73R, right battery cover 72R are towards the opening on right side.
Thereby with reference to Figure 10 and Fig. 2, the place ahead of the left side 71L of case portion of battery structure 70 and cooling surface 71Lb, the 71Rb of the right side case 71R of portion forms opening, directly is exposed to the wind that travels.
So battery pack 73M, 73L, 73R be because the big cal val of electric power that consumes when giving driving motor 40 power supplies that drive trailing wheel 13 is big, thereby but directly be exposed to the concentrated wind that travels by cooling surface 71Lb, the 71Rb that makes left side case 71L of portion and the right side case 71R of portion between the medial branch shroud 61c of portion, the 61c of the shroud 61 that the sailing of being expert at is concentrated and increased substantially cooling effectiveness.
In addition, because outstanding cooling element 71Lc, the 71Rc that forms the prominent bar shaped of dimensional directions sensing up and down on cooling surface 71Lb, the 71Rb that some leans forward, so directly brushing the wind that travels of cooling surface 71Lb, 71Rb leads along cooling element 71Lc, 71Rc, on cooling surface 71Lb, 71Rb, unobstructedly flow downwards, can further improve cooling effectiveness while taking away heat.
Because the cooling air that does not touch cooling surface 71Lb, 71Rb the wind that travels that the opening about the circular arc space S between a shroud 61 and front apron 65 enters enters the central interior of circular arc space S, arrive central tank 71M of portion and central battery lid 72M, therefore diffluence downwards also carries out cooling to central battery pack 73M.
Because battery structure 70 is provided with left side battery pack 73L and right battery pack 73R along 4 clamping side arm portions about 4 of side arm portion, and central battery group 73M is set at the rear of side arm portion, so can improve the efficient activity of the configuration space of battery pack, and can appropriateness keep interval between each battery pack, reduce the mutual heat affecting of battery pack.
Can guarantee capacity of cell by a plurality of battery pack 73M, 73L, 73R.
Because left side case 71L of portion and right side case portion 71R front see that to be splayed configuration below wide, promptly the wide splayed configuration in space that is configured to the below is seen in left side battery pack 73L and battery pack 73R front, right side, so can reach the foot-operated space of guaranteeing easily by the rear setting of a shroud 61 thereafter.
Below with reference to Figure 12 and Figure 13 another embodiment is described.
Figure 12 is the whole lateral plan of the small-sized electric cart 100 of present embodiment.
It is basic identical although this small-sized electric cart 100 outward appearances are different with the structure of the small-sized electric cart 1 of the foregoing description.Vehicle frame comprises: from the beginning manage 101 to the oblique back lower place of car body extended side arm portion 102; Rearward crooked approximate horizontal is extended after its left and right sides, lower end difference a pair of middle frame portion 103; The rear end of front end and this middle frame portion 103 link and to oblique back upper place extended identical be the rear frame portion 104 of pair of right and left.
Be provided with on head pipe 101 by its handlebar 105 and can freely rotate, front fork 106 extends to the below of head pipe 101 integratedly with handlebar 105, props up front-wheel 107 at its lower end axle, is covered with front apron 117 on front-wheel 107.
Opposite side, power unit 108 its front portions are set to link to each other with the central portion of rear frame portion, having driving motor and rear portion can shake by easy on and off, and the rear portion of rear frame portion 104 between the power unit 108 of back buffer part 109 has been installed the rear end axle prop up trailing wheel 110, covered back shield 118 on the trailing wheel.
At Vehicular body front, the control lever shaft that the head pipe is 101 is covered by protecgulum 111, and thereunder head pipe 101 has covered a shroud 112 with the place ahead of side arm portion 102, has covered bonnet 113 at the rear of side arm portion 102.
Rear vehicle is provided with and covers containing box bonnet 114 on every side, and the containing box top opening in the bonnet 114 is inaccessible by cushion 115 freely openable ground.
Form foot-operated space between inner cap 113 and the bonnet 114, on middle frame portion 103, laid stretcher 116.
And with reference to Figure 13, the battery structure 120 of side arm portion 102 supportings comprises equally with the battery structure 70 of the foregoing description: the 121M of central tank portion that battery box 121 extends along the side arm portion long size of 102 back side above-below directions; The bending forwards of the left and right sides end edge portion of the 121M of this central tank portion and the left and right sides connecting part 121c, the 121c that to about oblique the place ahead, launch along the left and right side of side arm portion 102; From the ora terminalis separately of this left and right sides connecting part 121c, the 121c extended left side 121L of case portion of foreign side, the right side case 121R of portion to the left and right.
At each chimeric recess of the rear opening of the left side 121L of case portion of long size up and down and the right side case 121R of portion chimeric left side battery pack 123L and right side battery pack 123R respectively, its exposed portions serve is covered by battery cover 122L and 122R.
Outstanding cooling element 121Lc, 121Rc that the prominent bar shaped that many long up and down dimensional directions point to is set towards the place ahead respectively on the cooling surface 121Lb of left side case 121L of portion and the right side case 121R of portion face forward and 121Rb.
In addition,, insert relay unit 125 equal controllers are installed, cover with central cover 124 at the 121M of central tank portion.
The place ahead in aforesaid battery structure 120 and side arm portion 102 is covered by a shroud 112, and the rear is covered by inner cap 113.
As shown in figure 13, propping up shroud 112 comprises: by the central front wall portion 112Mf that the place ahead of side arm portion 102 is launched along side arm portion about 102; About the front wall portion 112Mf of these central authorities to front curve some and then the extended left front wall portion 112Lf in the left and right sides, the 112Rf of right front wall portion laterally; The 112Ls of left side wall portion, right side wall portions 112Rs that end about left front wall portion 112Lf, the 112Rf of right front wall portion is rearward crooked.
Then, grow cooling air inlet port 121h, the 121h that forms front openings on the size at above-below direction, on each cooling air inlet port 121h, 121h, be provided with louver 131,131 at each inside part of left front wall portion 112Lf and the 112Rf of right front wall portion.
The inner cap 113 at clad battery structure 120 rears comprises: with central relay unit 125 grades of battery structure 120 from the rear to the left and right the cross section that covers, side be the 113M of median wall portion of コ font; Hold the extended left rear wall parts 113Lr of foreign side, right rear wall parts 113Rr to the left and right about the 113M of median wall portion; The forwards some 113Ls of left side wall portion, the right side wall portions 113Rs that are tilted to outside curve of end about left side rear wall parts 113Lr, right rear wall parts 113Rr.
The 113Ls of left side wall portion, right side wall portions 113Rs are configured in the 112Ls of left side wall portion of above-mentioned shroud 112, the inboard of right side wall portions 112Rs with having the space respectively, see that from the vehicle side-looking they are in the position relation of coincidence.
Cooling air discharge orifice 113h, 113h form the side opening on 113Ls of left side wall portion and the right side wall portions 113Rs on the long size of above-below direction are provided with louver 132,132 at each cooling air discharge orifice 113h, 113h.
The extended left side wall 113Ls of portion of forwards some inclined outer side, right side wall portions 113Rs go up a plurality of impeller of the louver 132,132 that is provided with and roughly give prominence to vehicle front on the long size of above-below direction.
On left front wall portion 112Lf, the 112Rf of right front wall portion of a shroud 112 in each the place ahead of left side case 121L of portion and the right side case 121R of portion, form cooling air inlet port 121h, 121h, and be provided with louver 131,131, the 113Ls of left side wall portion, the right side wall portions 113Rs of the inner cap 113 of side form cooling air discharge orifice 113h, 113h outside each of left side case 121L of portion and the right side case 121R of portion, and are provided with louver 132,132.
Therefore, the wind that travels from the place ahead directly blows to the cooling surface 121Lb of left side case 121L of portion and the right side case 121R of portion, 121Rb from cooling air inlet port 121h, the 121h of left front wall portion 112Lf, the 112Rf of right front wall portion of shroud 112 by louver 131,131.
Because louver 131, so a plurality of impeller on 131 are given prominence to cooling air side intrusion outside tiltedly shown in Figure 13 dotted arrow towards the car body central side to oblique the place ahead, along the cooling surface 121Lb of left side case 121L of portion and the right side case 121R of portion and 121Rb to the left and right outside the side flow, hold curve about a guiding shroud 112, respectively around going into left side case 121L of portion and the right side case 121R of portion, rearward change on one side towards, 113Ls of left side wall portion and right side wall portions 113Rs towards inner cap 113 is directed to forwards outstanding louver 132 on one side, a plurality of impeller of 132 are from cooling air discharge orifice 113h, 113h discharges rear (with reference to Figure 13 dotted arrow) swimmingly.
Because outstanding cooling element 121Lc, the 121Rc that forms the prominent bar shaped of pointing on the long up and down dimensional directions on cooling surface 121Lb, the 121Rb of left side 121L of case portion that cooling air flows and the right side case 121R of portion, below the surface cool wind of cooling surface 121Lb, 121Rb leads along cooling element 121Lc, 121Rc, and flow out downwards like this.
Because left side 121L of case portion and the 121R of chimeric left side battery pack 123L and right side battery pack 123R directly are exposed to as mentioned above, travel wind from cooling air inlet port 112h, the 1112h guiding louver 131 of shroud 112 and enter and from the flowing smoothly of the cooling air discharge orifice 113h of inner cap 113, cooling air that 113h louver 132,132 guiding are discharged, therefore can improve the cooling effectiveness of left side battery pack 123L and right side battery pack 123R.
Because on cooling surface 121Lb, the 121Rb of left side case 121L of portion and the right side case 121R of portion, be extruded with cooling element 121Lc, 121Rc, cooling air leads along cooling element 121Lc, 121Rc, on cooling surface 121Lb, the 121Rb while taking away below heat flows to swimmingly, therefore improved cooling effectiveness more.
In addition; because cooling air inlet port 112h, 112h at a shroud 112 are provided with louver 131,131; louver 131,131 can stop roughly that earth, slungshot etc. are invaded from cooling air inlet port 121h, 121h when travelling; even if under the situation of intrusions such as slungshot; also be behind the impeller of running into louver 131,131, to enter; so inner cap prevents direct impact battery pack 123L, 123R, enough protects battery pack 123L, 123R, improves service life simultaneously.
In addition,, and cover by the 112Ls of left side wall portion and the right side wall portions 112Rs of shroud 112, invade from the cooling air discharge orifice so can do one's utmost to prevent stone earth etc. in the outside because also be provided with louver 132,132 at the cooling air discharge orifice 113h of inner cap 113.
In addition, because the wind that travels enters from cooling air inlet port 121h, the 112h that props up shroud 112, flow through swimmingly, from cooling air discharge orifice 113h, the 113h discharge of inner cap 113, air resistance is little, can reduce specific consumption of fuel.
Above embodiment is applicable to the small-sized electric cart, as long as but have side arm portion from the beginning pipe is to the extended car body in the oblique back lower place of car body, the present invention is also applicable to electro-tricycle and electric four-wheel vehicle.
Claims (8)
1. the battery mounting structure of an elec. vehicle, this elec. vehicle has the from the beginning vehicle frame that extends to the oblique back lower place of car body of pipe of side arm portion, travel as drive source with electrical motor, this carrying structure is characterised in that, battery to described electrical motor power supply is covered by protecgulum the place ahead from car body, described protecgulum in the face of the front wall portion in car body the place ahead forms the cooling air inlet port, the structure that directly is exposed to from the wind that travels of cooling air inlet port with the heat delivery surface with described battery is installed in the side arm portion of described vehicle frame.
2. the battery mounting structure of elec. vehicle as claimed in claim 1 is characterized in that, is provided with radiating gill at the heat delivery surface of described battery.
3. the battery mounting structure of elec. vehicle as claimed in claim 1 or 2 is characterized in that, the described battery of installing in the side arm portion of described vehicle frame circumferentially disposes a plurality of, and each battery interbody spacer is in the below than in the wide position relation in top.
4. the battery mounting structure of elec. vehicle as claimed in claim 1 or 2 is characterized in that, described battery clips about the side arm portion of described vehicle frame and disposes, and disposes other batteries along described side arm portion simultaneously.
5. the battery mounting structure of elec. vehicle as claimed in claim 1 is characterized in that, at described cooling air inlet port louver is set.
6. as the battery mounting structure of claim 1～2,5 any described elec. vehicles, it is characterized in that, be provided with, form the cooling air discharge orifice at described bonnet from the bonnet of car body rear clad battery.
7. the battery mounting structure of elec. vehicle as claimed in claim 6 is characterized in that, described cooling air discharge orifice is formed at the side wall portion of seeing the inboard described bonnet that overlaps with the side wall portion of described protecgulum from vehicular sideview.
8. the battery mounting structure of elec. vehicle as claimed in claim 7 is characterized in that, at described cooling air discharge orifice louver is set.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP147747/04 | 2004-05-18 | ||
| JP2004147747 | 2004-05-18 | ||
| JP231515/04 | 2004-08-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1699087A CN1699087A (en) | 2005-11-23 |
| CN100361838C true CN100361838C (en) | 2008-01-16 |
Family
ID=35475392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100704886A Expired - Fee Related CN100361838C (en) | 2004-05-18 | 2005-05-13 | Battery mounting structure for an electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100361838C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104010932A (en) * | 2011-12-22 | 2014-08-27 | 雅马哈发动机株式会社 | Straddle-type electric vehicle |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8235566B2 (en) * | 2007-09-18 | 2012-08-07 | Yamaha Hatsudoki Kabushiki Kaisha | Straddle-type vehicle |
| JP5600669B2 (en) * | 2011-12-28 | 2014-10-01 | 本田技研工業株式会社 | Body structure of saddle riding type electric vehicle |
| JP6991430B2 (en) * | 2017-12-28 | 2022-01-12 | カワサキモータース株式会社 | Hybrid saddle-mounted vehicle |
| JP7290589B2 (en) * | 2020-03-13 | 2023-06-13 | トヨタ自動車株式会社 | power control unit |
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| CN1131622A (en) * | 1994-12-07 | 1996-09-25 | 本田技研工业株式会社 | Installation structure of cell box for electric vehicle |
| GB2307218A (en) * | 1995-11-16 | 1997-05-21 | Advanced Safe Sustainable Energy | Electric vehicle |
| WO1998043873A1 (en) * | 1997-04-01 | 1998-10-08 | Eric Offenstadt | Motorcycle or motor bicycle |
| CN2299791Y (en) * | 1997-09-19 | 1998-12-09 | 财团法人工业技术研究院 | Battery case and frame structure of electric vehicle |
| CN2433115Y (en) * | 2000-07-19 | 2001-06-06 | 黄勇和 | Electric motorcycle assembly structure using fuel cell as energy system |
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2005
- 2005-05-13 CN CNB2005100704886A patent/CN100361838C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131622A (en) * | 1994-12-07 | 1996-09-25 | 本田技研工业株式会社 | Installation structure of cell box for electric vehicle |
| GB2307218A (en) * | 1995-11-16 | 1997-05-21 | Advanced Safe Sustainable Energy | Electric vehicle |
| WO1998043873A1 (en) * | 1997-04-01 | 1998-10-08 | Eric Offenstadt | Motorcycle or motor bicycle |
| CN2299791Y (en) * | 1997-09-19 | 1998-12-09 | 财团法人工业技术研究院 | Battery case and frame structure of electric vehicle |
| CN2433115Y (en) * | 2000-07-19 | 2001-06-06 | 黄勇和 | Electric motorcycle assembly structure using fuel cell as energy system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104010932A (en) * | 2011-12-22 | 2014-08-27 | 雅马哈发动机株式会社 | Straddle-type electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1699087A (en) | 2005-11-23 |
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Granted publication date: 20080116 Termination date: 20160513 |