TWI222416B - Electric vehicle - Google Patents

Abstract

To provide a battery device having a structure in which the entire part of a battery unit can be uniformly cooled while making cooling fans smaller in size. A battery device 35 includes of a plurality of batteries 351 contained in a battery frame 352 having a rectangular parallelepiped shape. A cooling fan 38 is provided at a front portion of the battery frame 352, and a second cooling fan 39 is provided at an upper surface of a rear portion of the battery frame 352. Both the cooling fan 38 at the front portion and the cooling fan 39 at the rear portion take in air from the front side of the vehicle body, and feed the air into passages formed between the batteries 351. The cooling winds having uniformly cooled all of the batteries 351 are discharged to the outside through wind exhaust ports 354 provided at side surfaces of the outer periphery of the battery frame 352. The battery device 35 is provided with stays 355, 356 so that it can be fixed to a vehicle body frame on the lower side of a step floor of a motor cycle. To realize a layout by which good appearance of a vehicle as a whole can be secured while taking into consideration the cooling of heat-generating components. A charger 37 is fitted on the left side of a rear wheel 16 so as to avoid interference with a motor 21, taking into account the weight balance with a transmission. A cooling fan 43 is provided at an upper portion of the charger 37, and the fan 43 is covered by a side cover, so that parts which would be intricate such as wiring are not exposed to appearance. Therefore, good appearance can be secured while disposing the charger 37 at an outside portion of the vehicle body which ensures easy cooling. A down converter 44 is mounted in contact with a vehicle body frame 11 in a space at a rear portion of the vehicle body. Therefore, heat can be favorably dissipated through the vehicle body.

Description

1222416

[Technical field to which the invention belongs] The present invention relates to an electric vehicle, which is an electric vehicle having a device structure of a charger device having good cooling performance under the appearance. In particular, a battery that has zero heat generation, such as a battery device, uses a secondary battery (battery) that uses chemical power. In Japan, the repeatable use of the charger has revealed the speed of the charger equipped with this type of battery: sk

: Ray; "The space behind the seat of the 动 士 辆 is stored in the ί: F! Cover, pull out the internal power cord to connect to commercial electricity;.:: ΓΓ = :? 87 ° disclosed The battery arranged under the Sukhoda electric vehicle and low-bed type foot-carrying plate has cooling air in the above vehicle, and a cooling fan is installed above the rear part of the battery device, and the cooling fan is ventilated by "[Invention Institute Problems to be solved]

Since the charger is a heating element, it is necessary to consider the problem of cooling. In the vehicle disclosed in Japanese Patent Application Laid-Open No. 5- 1 1 2270 mentioned above, because the charger is placed in a location where the outside air is difficult to convect, it is desirable in terms of cooling performance. The charger can be placed at a location where the outside air, such as the side of the car body, is easy to convect. In this way, the advantages of the storage space under the seat cushion can be maintained. In addition, in order to improve the cooling performance, a cooling fan is considered in the charger device, but the cooling is not desired.

‘Nephew ()

The charger split structure. The onboard fan is superior in external performance and frequency conversion. The frequency is reduced by the frequency. In the previous type, only the fan needs to be loaded with a large volume of electricity. Therefore, I hope the appearance and cooling performance of electric vehicles, in addition to the charger, is also equipped with the benefits of heat-generating components ’. Therefore, it is also desirable to improve the coldness of the down-converter. SH AA-¾ 1 α ^ J V I, Wang Yuejian. Department] Brother 1 aims to provide the appearance and t in view of the above problems. Electric vehicle with good charger structure and excellent cooling performance. The battery device disclosed in Japanese Patent Laid-Open No. 5-6 9870 is one by one. The cooling fan cools the entire battery device structure. Therefore, the cooling must be large, and it is particularly difficult to keep a fan of Saint Q on a two-wheeled locomotive. Space. In addition, there is only one cooling fan for large and uniform cooling, which requires a complicated cooling structure, so it is improved in this respect. A second object of the present invention is to provide an electric vehicle in which the above-mentioned problems can be maintained while maintaining a cold load space and providing a uniform battery cooling system for the entire battery. Means of problem

In order to achieve the first object described above, the present invention is an electric vehicle. The first feature of the present invention is that the rear-wheel transmission is arranged on the side of the vehicle body. A charger is arranged on one side of the vehicle body. A charger cooling fan is provided above the charger to cover the side of the charger cooling fan. A body cover of a side cover is provided at the lower end position. According to the first feature, the charger and the transmission are arranged in a balanced manner in the rain of the vehicle body.

9ll13854.ptd

V. Description of the invention (3) Side 'and using a fan and charger on the side ::: 2: Covers the charger that is easy to be complicated to cool the second outside of the present invention * The knife extends in the wide direction of the car body "The aforementioned motor The motor shaft is a dagger that extends horizontally. *, The lowest end of the charger is placed above the aforementioned rear wheel 'and is placed within the length of the front and rear of the aforementioned rear wheel. The top is thinner, so it is equipped with an electric II to avoid the interference of the motor, and the mountability on the rear wheels. There is sufficient space for the car body to make the charger good. In addition, the third aspect of the present invention is set to suck the air from below and the charger cooling fan is provided. It is characterized in that the above-mentioned charging 4;] =; a pillar for the car body, the pillar is formed by the air-conducting path-the back of the wall surface device is arranged to extend the up-down direction with the aforementioned charger cooling fan: hour: the aforementioned air guide Above the road, the aforementioned charger is facing toward: 'Invention has a fifth characteristic fan. The cooling air is provided on the surface of the air-conducting path to the other 34. According to the third to fifth features, the air-conducting path * can be formed to rise upward Reverse airflow: Cooling wind, which can effectively cool; Charging 11: Cheng and the fan flow in a small size, so the cooling fan can be exposed at the same time, so the appearance is good. In addition, the fan is not only In addition, what is the tongue of the sixth special mud trap of the present invention when viewed from a top view? ~ __— The upper part of the fan is covered by the front and rear 9ll] 3854.ptd Page 0 of 0, the description of the invention (4) The rear fender is covered. According to the sixth feature, it is protected by the rear fender, so it can maintain the wind / exhaust vents for cooling air. Furthermore, the seventh feature of the present invention is that the efficiency is 1v. Frequency converter, the aforementioned down-converter is mounted on the rear of the car body, and is stored in the rear body pen: the alloy body frame converter is stored at least in front of the car It is characterized in that the abutment surface between the aforementioned cooling air openings extending in the front-rear direction of the vehicle body with a frequency reduction is provided in a frame made of a heart-shaped f cup according to the seventh to eighth features. The space enclosed by the cover is equipped with a down-converter Γ 2 outside the rear body of the car body. The down-converter is next to the cooling fan. Another effective heat release. Special; the body frame, so you can increase the cooling performance. Like the 8th special quilt, the cooler fan can achieve the second purpose mentioned above. A small two-wheeled vehicle is set in the lower part of the front of the seat, which is made of batteries. In the conclusion, the first μ sign is a cooling fan for the pool set of the low-bed foot-carrying board. At least one of the rear parts is equipped with a cooling wind that cools the rear side of the electric vehicle body. The feature is' fitted in front of the aforementioned battery pack. The cooling fan mounted on the front side of the vehicle body is combined with an air pipe and connected to the rear side of the aforementioned battery pack vehicle body. The cooling fan of the unit is passed through the 9th ~ 11th special λ square wind, even if each cooling wind V can be transmitted from the front and back of the battery device, the cooling performance can be transmitted. Therefore, the cooling air; 疋 small ’can also get high cooling overall ^ The fan can be plasticized small, thereby improving the cooling fan

1222416 V. Description of the invention (5) Degree of freedom of configuration. In particular, the space in the front and bottom, according to the tenth feature, effectively utilizes the long-sound electric unit and the low-bed type foot-carrying plate with approximately the same seat cushions. Youguli, and the space under the seat cushion can be used to match the 12th special type of the invention. According to the twelfth feature: the cooling fan of the Aiji Department is the same-and the parts management is simplified. As a result, the cost can be reduced. In addition, the battery rack according to the present invention includes a connecting machine # for holding the battery pack body frame in the battery rack. Root ^ 1 = The battery frame is combined with the light alloy and the battery frame's connecting mechanism to conduct the ^ sign, and the heat generated by the battery is further enhanced by the cooling effect of the battery pack. ..., a highly conductive body frame, so the cooling air passage formed between the pools according to the U-th feature of the present invention is provided with an exhaust port for each electric power in the battery pack. According to the fourteenth feature, the second battery pack is formed to connect the above-mentioned passage opening to the outside, so it can be used to cool the battery room by exhausting from the exhaust air. Mann wind is slightly equal to the battery. In addition, the fifteenth feature of the present invention is that the air is introduced into the front of the vehicle body, and then the two cooling fans are directed to guide the wind direction. According to the fifteenth feature, the cooling air is transmitted by means of a fan. The fan can be effectively sucked in while walking, and the walking wind is cooled. [Embodiment of the Invention] Ask the efficiency of the fan. In the following description of the present invention with reference to the drawings, "front", "rear", and "perform the form. And, under" __ ^ "" is the display driving 91113854.ptd Page 12 丄 222416 5 Explanation of the invention (6) The direction seen by the respected person is the position corresponding to the front side Fr, the rear side Rr, and the left direction of the vehicle. On the right, Figure 10 is a side view of the charger and battery according to the present invention. The second wheel of the Sukda vehicle is connected to the handle 14 of the front fork 12 and installed 2 to two; the rear wheel 16 will be 5: = power! Group 15, Unit 17 installed in power unit 15, Installed in: Rear shock absorber of body JdU on body frame 11: Chuan, equipped with openable phase above storage box 18 (: ^ 1 8 can be stored safely The cap i 1 y is in the shape of the ring. If the frame is a bracket tube lla—a body-molded aluminum alloy, etc., _ a gold = two; the power unit 15 is the motor 21 and the skin with a centrifugal clutch. The combination of the speed machine 22. The motor 21 in the transverse direction of the car body 91] ^ ^ ^ By the side of the horse and the ground extended helmet section speed changer 22 3 β g, the rotation of the motor shaft 211 is by the belt ί The two if reduction mechanism is transmitted to the shaft (rear wheel shaft) 161 of the rear wheel 16. The motor 21 is preferably the axis direction of the motor 21 = phase brushless motor, the control of the semiconductor components in use I: illustration; brushless Motor power supply control unit and driver ’s feet call for restoring bracket officer 11 a front cover 3 1 low-bed type foot-carrying plate at the rear 'foot protection cover 26, bearing driver ’s footwork, anti-footing plate Side cover 28, covering the footboard side cover 91113854.ptd Page 13 1222416

28 is formed by a bottom cover 29 at the lower edge portion, a seat cushion 36 covering the front lower periphery of the seat cushion 19, a rear cover 32 covering the lower rear portion of the seat cushion 19 and above the rear wheel 16, and a side cover 33 opposite to the side cover 33. Sighing to the left and right, a battery device 35 is arranged below the low-bed type foot carrier plate 27. The battery device 35 is said to support the connecting mechanism of the pillars 355, 356 and the support 35a under the low-bed type foot-carrying board 27 to support a horizontally extending 11L in the front-back direction (underframe) of the vehicle body. The support shaft 35 a is mounted on a pivot shaft, which is coaxial with the pivot shaft of the swing arm of the frame 11 of the power unit 15. The battery unit 35 is spaced from left to right along the vehicle body. two

Fans 38 and 39 for battery cooling are installed at the front and rear of the battery device 35. The front fan 38 is installed directly in front of the battery device 35, and the fan 39 is installed above the main body of the battery device 35. In particular, in the rear part, a cooling coil 41 is provided to transmit cooling air to each battery of the battery device 35. The cooling fans 38 and 39 are the same size, and the battery unit 冷却 is cooled by the two fans, so each fan can be small. The miniaturized fan 39 can effectively use the storage box space for storage. " Charger for battery charging with battery device 35 installed at the rear of the car body

Machines 22 5: 2 37 are arranged on the right side of the frame 11, that is, on the opposite side of the belt-type stepless speed change side, and are suspended from the frame 11 by the pillar 42. A cooling fan 43 is provided above the charger station 1 ^ 1. The lower end of the charger 37 is placed above the rear wheels, and its size is set in front of the rear wheels 16 and 16 in the side view.泫 The size and configuration can avoid the motor located in front of the rear wheels 16

V. Description of the invention (8) Disturbances ′ and can be followed by y after frame η 2: Effective use of space. Hold the upper orientation of the shaft 35a. The down-converter 44 is loaded in the bracket 37 of the frame 11 and stored in a circuit breaker 41. The charging plug is charged from the hook (not shown) in the aforementioned down-converter 44 S ::: 18. Above the car hole 丨〗 is covered by the rear cover 32. The lock 46 is located in Germany, and the seat cushion corresponding to the hook 19a of the seat cushion 19 extends from the frame u under the rear bumper 47a, and a second rear fender 47b on the outer periphery and a lower rear 2 . Charger: "Electricity: An oblique view, Figure 4 is a top view of the charger, Figure 5 is a person eight: 刼: Ϊ Figure (partial cross-section). In this figure, the charger 37 is aluminum ^ The box-shaped body 371 and the resin cover 372 are formed. One side of the box-shaped body 371 (the opposite side of the cover 372) is an empty body integrated with the body 371, and is formed by a fan 373. The pillar 42 is bolted 374 opposite the fan 373 to the pillar 42. It is fixed to the main body 371. A mounting hole 375 'for mounting on the frame u is provided above the pillar 42, and a three-dimensionally formed air guide channel 50 between the pillar 42 and the charger 37 is installed above the charger 37. The cooling fan 43 is set to take in air from below and release it from above. After the cooling fan 43 is driven, the air guide 50 draws in air from below and then passes air from above. Air flow (cooling air) C Α The cooling performance of the fan 3 7 3 is further improved, and the body 371 of the charger 37 is effectively cooled. FIG. 1 is a perspective view of the rear portion of the two-wheeled locomotive 10 showing the mounted state of the charger 37. FIG. 2 is the same rear portion side View. In Figure 1, the charger 37 is close to the center of the car body, borrowing Said strut 42 is fixed to the frame 11, the front side of the vehicle body is

91113854.ptd Page 15 1222416 V. Description of the invention (9)-The bracket 52 is fixed to the car anger 11 ^ ^ 43 products _ +, road ^ square, soap wood 11. The cooling air installed above the charger 37 belongs to two other-mentioned air guides 50 which efficiently take in air and form a side edge 431. The grapefruit = f rear mudguard 47b is extended from the rear side of the vehicle body to the front and upper side of the vehicle body. The trowel RFD has a portion extending from the RFD to the front horizontally. When viewed from a top view, the position of the GHRFH is set to cover the cold insulation :. t It is above the tuyere. Because 1 ^ 'the exhaust fan of the cooling fan 43 is covered. Qiu =. The downconverter 44 mounted on the rear of the frame 11 is partially covered by a second rear fender 47b. The state where the side cover 33 is installed at 10,000 and the side wind m is that the charger 37 is covered by the side cover 33 above and cooled down. Therefore, the charger 37 has only the lower part, and instead: i 充电器 appearance is visible to the naked eye, but it is not complicated even if it is exposed to the outside. Instead, it provides a charger mounting structure with a simple appearance. Picture down: The oblique view of the Korean frequency conversion 44. Figure 7 is a side view of the down converter. The body of the conversion 44 is light alloy such as the charger 37, which is stored in each i4H44j. The case 441 is provided with a resin cover 442. Because 443 ^ forms an air-cooling fan covering the front, back, and lower sides of the car body, the oblique Γ diagram is the left side of the second car. Figure 9 is seen from the rear of the car body at the rear of the car body. The down-converter II is discharged by the fine fan 443. In particular, it has good thermal conductivity and is in contact with the fan 4 4 3 to further promote heat dissipation. μ In addition: it is a bracket of high-strength steel, etc. at the front of the frequency converter 44. 马, horse snail inspection 5 3, 5 4 is installed on the Yude shelf 1〗. Yu + Wenyiwan, early bile wood 11. 46 seat cushion locks

9lU38S4 丄 厶 厶 厶 叶 10 V. Description of the invention (10) The metal plate 461 constituted is fixed to the bracket 52. In this way, the space formed at the rear of the car body can be fully activated, so it can be the cooling fan 443 for the storage yard of Zhao Yuanyi 44. This result interacts with a wide-area setting of the light metal conversion benefit 44, and the frequency reduction can be loaded on the car. Figure 1 1 is a side view of the battery device 35. Figure = ^ The main part is enlarged. Figure 13 is a picture. : 也: In the picture on the side of 35, the battery is 罟 q ς said w — ·! 〇 的 仏 ^ 面 图. Among these 351 are round-shaped Γ-volt Nl ~ MH batteries, 35 batteries, 1 solid columns, and are housed in four rows of gold and φ soaps arranged in 15 rows along the car transverse electric power. qy Yue Meiren 4 is a clothing structure (battery rack) 352. That is, the battery f is set to 35 = 'and the battery is introduced from the outside by the cooling fans 38 and 39. In addition, the path 353 running in the battery device 35 is shaped U. On the one hand, an air outlet 354 is provided in the battery rack 352, which is for sL '^ T Τη ^ ^ 1 ^ 351 ^ ^ ^ ^ ^ t ^ ^ Heterogeneous Jin, ^, 354 are extensions of the passage 353 provided between the batteries 351, avoiding the complexity of the drawings, and only show a part of the drawings. Bits and Mi :: Set 35 are installed on the chassis UL ′. Pillars 355 and 356 are respectively provided on the front part and the upper part of the battery rack 352. The front support 卩 5 部位 is fixed to the battery holder 352 with bolts 355a and 355b. On the other hand, the pillar 356 in the upper part is fixed to the battery 2 by bolts 3 56a and 356b. The cross plate 357 is fixed on the top of the battery, and it is also fixed to the battery holder 3 52 by bolts 3 56c. The side of the battery device 35 is inserted in a manner that the rear of the battery device 35 approaches. Ji t㈣_ $

1222416 V. Description of the invention (]]) = shaft hole seat 358, which is provided at the front of the bracket 3 5 9 which extends from the rear of the battery holder to the upper rear. ^^ Said composition, the cooling fans 38, 39 are as shown by the arrow w, the air is drawn from the car side, the air from the front cooling fan 38 * plant = the air drawn by the rear cooling fan 39 is borrowed; pipe; Change the wind and mouth, and transmit cooling air in the battery rack 3 5 2 respectively. The introduced cold air passes through the passage 353 between the batteries 351 and is transmitted to the side of the battery rack. It is discharged from the outside of the air outlet 354. Here again, the cooling air is transmitted from the front and back of the battery 35, and travels smoothly in the passage 3 53: so heat can be evenly recovered from each of the batteries 3 51, and the field of the battery 3 5 1 is maintained below a predetermined temperature. (2) The cooling fans 38 and 3g suck in air from the vehicle two, so the traveling wind can be effectively sucked in during the traveling, which improves the efficiency of the fan. In addition, the cooling fans 3 8 and 39 can use the same type of feather parts, which can reduce costs and simplify parts management. FIG. 14 is a plan view showing a state in which the battery device 35 is mounted on a vehicle body frame. FIG. 15 is the same rear view (view from the rear of the vehicle body). In this figure, the battery device 35 is disposed between the chassis 11L having a substantially U-shaped cross-sectional shape. The pillar 3 5 5 is fixed to the upper surface of the chassis nL by bolts 3 5 6c, and the pillar 356 is fixed to the chassis ul by bolts 356d. The battery 351 is combined with the chassis 1 1 L made of metal (made of light metal such as aluminum alloy) via the pillars 35 and 356. Therefore, the generated heat can be efficiently transmitted in the chassis 丨 L and can Efficiently cooling the battery device 35. -In addition, U-shape of the base frame 11L can be used in the U-shaped groove 1Lu, and there are 4-8, 4-9 cables such as cables for control cables and power cables. As shown

91113854.ptd Page 18 1222416 V. Description of the invention (12) 5, the battery device 35 and the bottom frame nL are above the low-bed type footboard 27. The side of the bottom frame 11L is a footboard. Covered by side covers 2-8. [Effects of the Invention] As shown in the above description, the invention is charged according to the inventions in claims 1 to 8 of the scope of patent application. . The vehicle body can be arranged in a balanced weight, and the cooling fan, which is easy to form complicated wiring and the like, can be hidden by the body cover to obtain a good appearance. In addition, according to the inventions in the scope of patent applications Nos. 3 to 6, the charging is effectively cooled. σ $ There is also a structured heat-reduction diffusion, which can be efficiently used, and the patented Fan Fang, the same is also the cooling efficiency of the south, and also equipped with a charger, especially, can be obtained, Pool device according to the front and rear of the body. The invention of the fan configuration, the lower patent range of the patent can be sought for the patent scope. The battery production patent range can be borrowed from the heat to the high temperature. The patent can be borrowed two. Therefore, the free rear cold room can be the first 2 parts Regardless of the 13th item, the frequency converter can be used according to the application effect. The interaction shown on the description to provide electricity from the car cooling wind improves the cooling enclosure items 2 and 3 to the front of the seat cushion according to the application type, so 'conductivity according to application 4 is more improved' according to the application inch The performance of the body frame 11 with high conductivity formed by the cooling fan box. Each of the cooling fan transmission batteries in the range of items 9 to 15 has a small size for each cooling fan. In particular, according to the application, the fan is located above the battery for efficient use. The invention simplifies and reduces the cost of the two cooling fans. The invention can use the car body to diffuse deliberately. The invention of item 14 can be used in the battery. 1222416 V. Description of the invention (13) But the wind can go unimpeded. In addition, according to the invention in item 15 of the scope of patent application, since the traveling wind can be sucked in, the efficiency of the fan can be improved. [Description of component numbers] 10 Two-wheeled locomotive 11 Frame 11a Bracket tube 1 1L Underframe 12 Front fork 13 Front wheel 14 Caiba hand 15 Power unit 1 5, 1 6 Rear wheel 17 Shock absorber unit 18 Storage box (luggage compartment 19 Seat cushion 19a Hook 21 Motor 22 Speed changer 24 Body cover 26 Foot protection cover 27 Low-bed type footboard 28 Footboard side cover 29 Under cover 31 Front cover

91113854.ptd Page 20 1222416

V. Description of the invention (14) 32 Rear cover 33 Side cover 34 Charging plug 35 Battery unit 35a Support shaft 36 Seat under cover 37 Charger 38 > 39 Cooling fan 41 Ventilation pipe 42 Pillar 43 Cooling fan 44 Down-converter 45 Circuit breaker 46 Seat pad lock 47a Rear fender 47b Second rear fender 48 Cable 49 Cable 50 Air duct 52 Bracket (supporting member) 53 Bolt 54 Bolt 161 Wheel shaft 211 Motor shaft 91113854.ptd Page 21 1222416 V. Description of the invention (15) 351 352 353 354 355, 356 3 5 5a 3 5 5b 3 5 6a 3 5 6b 3 5 6c 3 5 6d 357 358 359 371 372 373 374 375 431 441 442 443 461 Battery Shelf passage exhaust vent pillar bolt bolt bolt bolt bolt bolt cross plate shaft hole bracket bracket box-shaped body resin cover air cooling fan bolt mounting hole outer edge box resin cover fan metal plate

91113854.pid Page 22 1222416 V. Description of the invention (16) F r forward R r backward L left R right

91113854.pid Page 23 丄 222416

Hui 1 is related to one embodiment of the present invention-it is necessary to partially see the oblique deflection. Γ as viewed from the rear right of the wheel. The rear right side of a two-wheeled locomotive according to the embodiment of the present invention. Fig. 3 is a perspective view of a charger. Figure 4 is a top view of the charger. Figure 5 is a side view of the charger. ® 6 is an oblique view of the down converter. 11 7 is a side view of the down-converter. Fig. 8 is a left side view of essential parts of a two-wheeled locomotive according to an embodiment of the present invention. . ^ FIG. 9 is an exploded perspective view of a main part of a two-wheeled locomotive according to an embodiment of the present invention, which is seen from behind. FIG. 10 is a side view of a fast-speed Keda-type two-wheeled vehicle equipped with a charger and a down-conversion converter according to one embodiment of the present invention. 11 is a side view of a battery device according to an embodiment of the present invention. Fig. 12 is an enlarged view of a main part of a battery device according to an embodiment of the present invention. Fig. 13 is a cross-sectional view of a-a position in Fig. 11. Mounted vehicle Fig. 14 is an exploded plan view of a main part of a battery device according to an embodiment of the present invention. Fig. 15 is a rear view of essential parts of the present invention. Vehicle mounted on a battery device according to an embodiment FIG. 16 shows a speed gram mounted on a battery device according to an embodiment of the present invention.

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Claims (1)

1222416 VI. Application for patent scope 1. One kind of power to the rear wheel is: charger, charger cold body cover type is set under it 2. If the applied motor shaft is slightly charged as mentioned above, it is charged on the aforementioned rear wheel 3. If applied | § Cooling fan 4. Charger as described in the application. The pillar is attached in the up and down direction at the same time. 5. If the application is attached to the face 6. If the application is above the rear wheel, it is covered with a top angle plate. The speed changer of the moving vehicle is installed on the fan, but it has the end position. The patent range is the foremost level. The patent range is set to the patent range. The patent range is installed in the car. Look at the aforementioned motor, and retract it, charge it, and then release it from the top. Among them, it is equipped with a front wheel that is a motor arranged from the front of the rear wheels on one side of the car body. It is provided with the side of the vehicle body on the other side of the above-mentioned transmission. 'Set above the aforementioned charger; & to cover the side cover of the aforementioned charger cooling fan. . The electric vehicle of the Fang Weidi item 1 is arranged in such a way that the ground extends in the width direction of the car body and the lower end is located within the length above the rear axle. The electric vehicle surrounded by item 1 is formed by drawing air into the electric vehicle surrounded by item 3 below, the pillars for the body, = the charging benefit and the inter-body < charging, the-wall surface method, and the extension There are the aforementioned charger cooling fans. = Four items of electric vehicles, of which = / standby fan. Paddles, moving vehicles, in which, if covered, the upper part of the cooling fan is covered with mud 91113854.ptd Page 26 VI. Application scope of patent _7 The down-converter at the rear of the car body, such as the patent application scope M. Le Zao vehicles, which is equipped with the aforementioned down-converter is mounted on the rear body cover Inside. 、 Gold body frame, and collect 8 · If item 7 of the scope of the patent application, the converter is stored in at least 1, electric vehicles, where the aforementioned frequency reduction extends in the front and rear direction of the vehicle body. The top surface of the room is extended with 9. If the patent application is applied, the lower part of the front is equipped with a low-bed foot electric vehicle, in which the battery pack of the Thunder 4 strong battle plate, The fan is provided with a plurality of batteries assembled under the low-bed type foot carrier plate before and after the vehicle body. Xi Fangshang equipped with cooling air for cooling the battery pack. 10. For example, the cold side of the rear side of the vehicle in the scope of patent application No. 9 changes the vehicle, which is assembled in the car 1 ㈣ eyebrow J 疋 deployed in the current scope of the patent scope 1G, Second electricity: above the group. Cooling θ of the side of the vehicle, electric vehicle, which is assembled on the 7th part of the car, which fits in the battery above + the side of the battery, the front side of the rear side of the early vehicle, Behind the pool group. The fan fan is combined with the above-mentioned electricity through a ventilation pipe. If the 9th side of the patent application, the cooling fan is the same type. Electric vehicles, including the foregoing before and after 1 3 · If you apply for an exemption 丨》 Baoshen a, Seven Belt Spear Consumption No. 9 thunder and private attack to keep the battery pack electric vehicle, which has the Battery rack = Ikeki II, the link mechanism used. X has a combination of ° Hai battery frame and light alloy body frame 91113854.ptd $ 27Page 1222416 VI. Application for Patent Scope 1 4. For electric vehicles such as Article 13 of the scope of patent application, the aforementioned battery pack is provided with a cooling air passage formed between the batteries and formed in the aforementioned battery rack. Connect the exhaust vents of the aforementioned path. 1 5. The electric vehicle according to item 9 of the patent application scope, wherein the cooling fan sets the direction of the air guide so that air is introduced from the front of the vehicle body and cooling air is transmitted through the passage. 91113854.ptd Page 28