Range-extending battery assembly for electric vehicle and electric vehicle

Abstract

The utility model relates to a range-extending battery assembly for an electric vehicle and the electric vehicle, and the range-extending battery assembly comprises a range-extending battery which is used for supplying power to the electric vehicle; the installation frame comprises a base, an installation part and a supporting part, the base is connected with the installation part, the supporting part comprises a first supporting plate and a second supporting plate connected with the first supporting plate, the first supporting plate is connected with the end, away from the base, of the installation part, and the second supporting plate is connected with the end, away from the base, of the installation part. The first supporting plate is connected with the end face of the base, the second supporting plate is connected with the end face of the base, the first supporting plate and the second supporting plate both extend along the edge of the base, and a space used for containing the range extending battery is formed among the base, the mounting piece and the supporting piece. According to the range extending battery assembly for the electric vehicle and the electric vehicle, the total endurance mileage can be flexibly increased, and meanwhile the overall weight of the electric vehicle is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of range extending battery, especially a range extending battery assembly for electric vehicle and electric vehicle. BACKGROUND

[0002] Electric vehicle includes electric bicycle, electric power-assisted bicycle etc., current electric power-assisted bicycle will appear main battery capacity insufficient condition when carrying out long distance riding, thereby leading to electric power-assisted bicycle insufficient range. Current through replacing large capacity main battery to increase range, due to large capacity battery usually bulky, and electric power-assisted bicycle frame internal space is small, large capacity battery can not be installed directly in the frame, need to modify the frame, thereby making half-buried electric power-assisted bicycle, this mode will increase the weight of the frame on the basis of increasing battery weight, thereby leading to electric power-assisted bicycle overall weight is larger, and half-buried electric power-assisted bicycle can not increase total range flexibly. SUMMARY

[0003] Therefore, the utility model wants to solve the technical problem in providing a range extending battery assembly for electric vehicle and electric vehicle, can increase total range flexibly, and electric vehicle overall weight is smaller.

[0004] To solve the above technical problem, the utility model provides a range extending battery assembly for electric vehicle, include: range extending battery, range extending battery is used to power supply for electric vehicle, mounting frame, mounting frame includes base, mounting piece and support, base is connected with mounting piece, support includes first support plate and second support plate connected with first support plate, first support plate is connected with the end of mounting piece away from base, second support plate is connected with the end surface of base, first support plate and second support plate all extend along the edge of base, the space for accommodating range extending battery is formed between base, mounting piece and support.

[0005] In an embodiment of the utility model, the base is provided with a first clamping block, the range extending battery is provided with a clamping groove corresponding to the position of the first clamping block, and the range extending battery is further provided with a sliding groove connected with the clamping groove.

[0006] In an embodiment of the utility model, the mounting piece includes a mounting plate, and a first baffle and a second baffle connected with the mounting plate and symmetrically arranged, the mounting plate is provided with a mounting hole for connecting with the electric vehicle, and the space for accommodating the connecting piece is formed between the first baffle, the second baffle and the mounting plate.

[0007] In one embodiment of the utility model, the first support plate is connected with the first baffle, the second baffle is provided with a third baffle extending towards the support piece, and the line between the third baffle and the support piece at the close position is smaller than the diameter of the range extending battery.

[0008] In one embodiment of the utility model, the mounting plate is provided with a fourth baffle at the end away from the base, the fourth baffle is arc-shaped and is bent towards the range extending battery, and the fourth baffle can abut against the range extending battery.

[0009] In one embodiment of the utility model, the side wall of the range extending battery is provided with a protruding block, the protruding block is rotatably connected with a rotating ring, and the rotating ring is provided with a handle capable of being bent.

[0010] In one embodiment of the utility model, a plurality of second clamping blocks are continuously arranged on the center line of the handle, a plurality of clamping holes capable of being clamped by the second clamping blocks are also continuously arranged on the center line of the handle, the distance between adjacent clamping holes is the same as the distance between adjacent second clamping blocks, and the first support plate is provided with a clasp capable of being penetrated by the handle.

[0011] In one embodiment of the utility model, the protruding block is provided with a charging port, and the charging port is provided with a sealing plug capable of sealing the charging port.

[0012] In one embodiment of the utility model, the range extending battery is provided with a discharging port at the end abutting against the base, and the base is provided with an output port at the position corresponding to the discharging port.

[0013] The utility model also provides an electric vehicle, which comprises the range extending battery assembly for the electric vehicle and further comprises a main battery in the electric vehicle and a driving device connected with the main battery, and the electric vehicle is provided with a parallel seat connected with the main battery and the driving device, and the range extending battery is connected with the parallel seat through a parallel wire harness.

[0014] Compared with the prior art, the above technical scheme of the utility model has the following advantages:

[0015] The utility model relates to a kind of range extending battery assembly and electric vehicle for electric vehicle, mounting frame can be detachably fixed to range extending battery, can flexibly increase the total endurance mileage of electric vehicle, and need not to be modified to frame, only the weight of mounting frame is increased, so that the overall weight of electric vehicle is smaller. By setting the half-enclosing structure of first support piece and second support piece, the fixation of range extending battery and mounting frame is more stable, and the better adhesion is. The positioning assembly of range extending battery and mounting frame is realized by the cooperation of first clamping block and clamping groove, the quick fixation of range extending battery and mounting frame is realized by the cooperation of handle and buckle. Range extending battery is connected with the driving device of electric vehicle by parallel seat, main battery is connected with the driving device of electric vehicle, so that range extending battery and main battery constitute parallel relationship, so that range extending battery can preferentially power supply to driving device, and the flexibility and convenience in the use of range extending battery are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily be clearly understood, the utility model is further explained in detail below according to the specific embodiment of the utility model and combining with the drawings, wherein

[0017] Figure 1 It is the structure schematic view of a kind of range extending battery assembly for electric vehicle of the utility model;

[0018] Figure 2 It is the structure schematic view of mounting frame;

[0019] Figure 3 It is Figure 2 Another angle structure schematic view of;

[0020] Figure 4 It is the structure schematic view of range extending battery;

[0021] Figure 5 It is Figure 4 Bottom end structure schematic view of;

[0022] Figure 6 It is the structure schematic view of parallel wire harness;

[0023] Figure 7 It is the structure schematic view of parallel seat and electric vehicle;

[0024] Figure 8 It is Figure 7 Local enlarged view of A in;

[0025] Figure 9 It is the connection structure schematic view of parallel seat and range extending battery.

[0026] The description reference signs are as follows: 1, range extending battery; 2, handle; 3, mounting frame; 4, parallel wire harness; 5, parallel seat; 11, protruding block; 12, sealing plug; 13, lamp display; 14, button; 15, sliding groove; 16, clamping groove; 17, mounting groove; 18, discharge port; 21, rotating ring; 22, second clamping block; 23, clamping hole; 31, base; 32, mounting plate; 33, support piece; 41, first connector; 42, second connector; 51, parallel power terminal; 52, parallel signal terminal; 111, charging port; 181, power terminal; 182, second signal terminal; 311, weight-reducing groove; 312, first clamping block; 313, output port; 314, first weight-reducing port; 321, mounting hole; 322, first baffle; 323, second baffle; 324, fourth baffle; 325, third baffle; 331, first support plate; 332, second support plate; 333, clamping buckle; 334, second weight-reducing port; 335, third weight-reducing port. DETAILED DESCRIPTION

[0027] The utility model will be further explained in connection with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0028] Embodiment one

[0029] Refer to Figure 1 And Figure 2 As shown in the utility model discloses a range extending battery assembly for electric vehicle, including: range extending battery 1, range extending battery 1 is used to power supply for electric vehicle;Mounting frame 3, the mounting frame 3 includes base 31, mounting piece and support piece 33, the base 31 is connected with the mounting piece, the support piece 33 includes first support plate 331 and the second support plate 332 that is connected with first support plate 331, first support plate 331 is connected with the mounting piece and is away from the end of base 31, the second support plate 332 is connected with the end surface of base 31, first support plate 331 and second support plate 332 all extend along the edge of base 31, the space for accommodating range extending battery 1 is formed between base 31, mounting piece and support piece 33.

[0030] This embodiment describes a range extender battery assembly for an electric vehicle. A mounting bracket 3 connects to the electric vehicle, and the range extender battery 1 is located within the mounting bracket 3 and supplies power to the electric vehicle. The base 31 of the mounting bracket 3 abuts against the end of the range extender battery 1, and the support member 33 of the mounting bracket 3 abuts against the side wall of the range extender battery 1, thereby allowing the range extender battery 1 to be secured within the mounting bracket 3. The first support plate 331 of the support member 33 abuts against the side wall of the range extender battery 1 away from the base 31, and the second support plate 332 abuts against the side wall of the range extender battery 1 near the base 31. The arrangement of the first support plate 331 and the second support plate 332 extending along the edge of the base 31 improves the fit between the first support plate 331 and the second support plate 332 and the side wall of the range extender battery 1, making the range extender battery 1 more stable within the mounting bracket 3. The mounting bracket 3 allows for detachable fixing of the range extender battery 1, flexibly increasing the total range of the electric vehicle without requiring modification to the vehicle frame; only the weight of the mounting bracket 3 is added, resulting in a lighter overall weight for the electric vehicle.

[0031] Reference Figure 3 As shown, the mounting bracket 3 includes a base 31, a mounting component, and a support component 33. Figure 2 and Figure 3 The upper side is designated as the top of the mounting bracket 3, and the lower side is designated as the bottom of the mounting bracket 3. The base 31 is cylindrical in shape. The top of the side wall of the base 31 is provided with a weight-reducing groove 311, and the side wall of the base 31 is provided with multiple first weight-reducing openings 314, thereby reducing the overall weight of the mounting bracket 3. Specifically, the first weight-reducing openings 314 are rectangular. The base 31 is used to fix the bottom of the range extender battery 1 and the bottom side wall.

[0032] The mounting member is connected with the base 31, specifically, the mounting member is connected with the bottom of the base 31 vertically. The mounting member comprises a mounting plate 32 and a first baffle 322 and a second baffle 323 which are connected with the mounting plate 32 and are symmetrically arranged. A plurality of mounting holes 321 are arranged on the center line of the mounting plate 32, the mounting holes 321 comprise a waist-shaped hole and a circular hole which is arranged at the position close to the base 31 of the waist-shaped hole, the mounting frame 3 can be fixed with the electric vehicle through the connecting member and the mounting holes 321 and the electric vehicle. The first baffle 322 and the second baffle 323 are symmetrically arranged on both sides of the mounting plate 32, and the first baffle 322 and the second baffle 323 are connected with the side wall of the base 31. The first baffle 322 and the second baffle 323 are arranged at an obtuse angle with the mounting plate 32, so that the mounting member as a whole is convex in the direction away from the base 31, and then the space for accommodating the connecting member is formed between the first baffle 322, the second baffle 323 and the mounting plate 32, so as to avoid that the part of the connecting member located in the mounting member causes damage to the range extending battery 1. The end of the mounting plate 32 away from the base 31 is provided with a fourth baffle 324, that is, the fourth baffle 324 is located at the top end of the mounting plate 32, the fourth baffle 324 is arc-shaped and is curved towards the range extending battery 1, so that the fourth baffle 324 is convex towards the range extending battery 1. The curved part of the fourth baffle 324 can abut against the range extending battery 1, so that the fourth baffle 324 has the supporting effect on the range extending battery 1.

[0033] The support 33 comprises a first support plate 331 and a second support plate 332 connected with the first support plate 331. The first support plate 331 is connected with the mounting away from the one end of the base 31, i.e. the first support plate 331 is connected with the top end of the mounting. Specifically, the first support plate 331 is connected with the side wall of the top end of the first baffle 322 and extends along the edge of the base 31 away from the one end of the lightened groove 311 of the mounting. The first support plate 331 protrudes towards the lightened groove 311 at the position corresponding to the lightened groove 311, and the second lightened opening 334 is arranged on the first support plate 331. Specifically, the second lightened opening 334 is in the shape of a circular arc triangle similar to the protruding part. The second support plate 332 is connected with the end surface of the base 31. Specifically, the second support plate 332 is connected with the one end of the lightened groove 311 away from the mounting and extends along the edge of the base 31 away from the lightened groove 311. The position of the first support plate 331 close to the end part constitutes a transition part, the transition part extends towards the second support plate 332, the second support plate 332 extends towards the first support plate 331, the end part of the first support plate 331 is connected with the end part of the second support plate 332 to constitute a connecting part, the connecting part is located on the opposite side of the mounting, and the first support plate 331 and the second support plate 332 as a whole are in a half-enclosed shape, so as to form a space for accommodating the range-extended battery 1 between the base 31, the mounting and the support 33, and a third lightened opening 335 is formed between the first support plate 331 and the second support plate 332 and communicates with the lightened groove 311. The second baffle 323 is provided with a third baffle 325 extending towards the support 33, the third baffle 325 extends along the edge of the base 31, and the line connecting the third baffle 325 and the connecting part of the support 33 close to the position is smaller than the diameter of the range-extended battery 1, so as to prevent the range-extended battery 1 from falling between the support 33 and the mounting. An opening for the range-extended battery 1 to pass through is formed between the base 31 and the one end of the support 33 away from the base 31, i.e. an opening for the range-extended battery 1 to pass through is formed between the top end of the base 31 and the support 33. The support 33 can be made of a material capable of elastic deformation, and the opening is slightly smaller than the range-extended battery 1, so that the range-extended battery 1 can be clamped by the support 33 and the mounting, the range-extended battery 1 is fixed more stably, and the mounting rack 3 can also adapt to range-extended batteries 1 of different sizes. In another embodiment, the first support plate 331 and the second support plate 332 as a whole are in a fully-enclosed shape, and the connecting part of the first support plate 331 and the second support plate 332 is connected with the second baffle 323.

[0034] Referring to FIGS. 1, 2 and 3, Figure 4 and Figure 5 The range-extended battery 1 is in a cylindrical shape as a whole and is used to supply power to an electric vehicle. Figure 4The upper side of the extension range battery 1 is designated as the top end of the extension range battery 1, and the lower side is designated as the bottom end of the extension range battery 1. The top end of the extension range battery 1 is in the shape of a circular truncated cone, and is provided with a lamp display 13 and a button 14. The extension range battery 1 is internally provided with a controller, and the lamp display 13 and the button 14 are connected to the controller. The lamp display 13 is in the shape of a ring, and the button 14 is in the shape of a circle and is located at the center of the lamp display 13. After the button 14 is pressed, the lamp display 13 can display the power of the extension range battery 1. The arrangement of the lamp display 13 and the button 14 at the top end of the extension range battery 1 does not affect the arrangement of the battery cells in the extension range battery 1, does not occupy the space of the battery cells, and is convenient for checking the power of the battery. The top space of the extension range battery 1 can be fully utilized, the overall structure of the extension range battery 1 is more compact, and the volume is smaller. The lamp display 13 and the button 14 can also be arranged at other positions without affecting the arrangement of the battery cells, and the lamp display 13 and the button 14 can also be arranged in other shapes.

[0035] The side wall of the extension range battery 1 is provided with a protrusion 11, which is located near the top end of the circular truncated cone on the side wall of the extension range battery 1. The protrusion 11 is provided with a charging port 111. The position of the charging port 111 does not affect the arrangement of the battery cells, does not occupy the space of the battery cells, and is convenient for the user to charge the extension range battery 1 from the mounting rack 3, or to charge the extension range battery 1 together with the main battery on the electric vehicle, or to charge the extension range battery 1 alone when it is mounted on the mounting rack 3. The charging port 111 can also be arranged at other positions without affecting the arrangement of the battery cells. In the embodiment, the charging port 111 has a charging terminal and a first signal terminal, both of which are located at the bottom of the charging port 111. Preferably, the charging port 111 is provided with a sealing plug 12 which has the same shape as the charging port 111 and can block the charging port 111. The sealing plug 12 is made of a material that has elastic deformation and is waterproof. When charging is not needed, the sealing plug 12 can be blocked at the position of the charging port 111. The arrangement of the sealing plug 12 can prevent dust, rainwater, mud and other impurities from entering the charging port 111, and can prevent the charging port 111 from being damaged, thereby prolonging the service life of the extension range battery 1. When charging is needed, the sealing plug 12 can be pulled out to charge.

[0036] The side wall of the protrusion 11 is rotationally connected with a rotating ring 21, one side of the rotating ring 21 is rotationally connected with the protrusion 11, and the other side is sleeved with a bendable handle 2. Specifically, the end of the handle 2 is sleeved on the rotating ring 21. The handle 2 is made of soft material, and a plurality of second clamping blocks 22 are continuously arranged on the center line of the handle 2. The second clamping block 22 includes a check ring on the side wall of the end, and a plurality of clamping holes 23 capable of clamping the second clamping block 22 are continuously arranged on the center line of the handle 2. The distance between adjacent clamping holes 23 is the same as the distance between adjacent second clamping blocks 22. The clamping hole 23 can be sleeved on the second clamping block 22 and the end face abuts against the check ring. The distance between adjacent second clamping blocks 22 and clamping holes 23 is large, so that the handle 2 can be folded. The second clamping block 22 is located closer to the protrusion 11 than the clamping hole 23. The first supporting plate 331 is provided with a buckle 333 through which the handle 2 can pass. The position of the buckle 333 corresponds to the position between adjacent second clamping blocks 22 and clamping holes 23. The handle 2 can pass through the buckle 333 and be folded towards the protrusion 11, so that the clamping hole 23 and the second clamping block 22 are clamped, thereby quickly fixing the range extending battery 1 and the mounting frame 3, facilitating the installation and disassembly of the range extending battery 1, preventing the range extending battery 1 from shaking, and avoiding the range extending battery 1 from falling. In another embodiment, the clamping hole 23 is located closer to the protrusion 11 than the second clamping block 22. After the handle 2 passes through the buckle 333 and is turned over towards the protrusion 11, the second clamping block 22 is clamped with the buckle 333, thereby quickly fixing the range extending battery 1 and the mounting frame 3.

[0037] The end of the range extending battery 1 abutting against the base 31 is provided with a discharge port 18, i.e. the bottom end of the range extending battery 1 is provided with the discharge port 18. Specifically, the discharge port 18 is located in the mounting groove 17 at the bottom end of the range extending battery 1. The bottom of the base 31 is provided with an output port 313 corresponding to the discharge port 18. The output port 313 is used for the first connector 41 of the parallel wire harness 4 to pass through, so that the parallel wire harness 4 can be connected with the discharge port 18. The discharge port 18 is provided with a power terminal 181 and a plurality of second signal terminals 182, so that the range extending battery 1 can communicate in real time after being connected with the main battery. Specifically, the number of power terminals 181 is not less than 2, and the number of second signal terminals 182 is not less than 4. The discharge port 18 is located at the bottom end of the range extending battery 1, which can not affect the arrangement of the battery cells in the range extending battery 1, does not occupy the space of the battery cells, and can also avoid rainwater from flowing in.

[0038] The edge of the output port 313 is provided with a first clamping block 312, specifically, the first clamping block 312 is in a cylindrical shape. The range extending battery 1 is provided with a clamping groove 16 corresponding to the position of the first clamping block 312, and the range extending battery 1 is provided with a sliding groove 15 corresponding to the position of both sides of the clamping groove 16 at the bottom end, the depth of the sliding groove 15 gradually deepens towards the clamping groove 16, so that the first clamping block 312 and the clamping groove 16 are blind inserted and assembled, that is, after the range extending battery 1 is installed into the mounting rack 3, the range extending battery 1 is rotated to make the first clamping block 312 gradually inserted into the clamping groove 16 from the sliding groove 15, so as to realize the positioning assembly of the range extending battery 1 and the mounting rack 3.

[0039] In use, after the mounting rack 3 is connected with the electric vehicle, the range extending battery 1 is inserted into the mounting rack 3 through the opening formed between the base 31 and the supporting piece 33, then the range extending battery 1 is rotated to make the first clamping block 312 gradually inserted into the clamping groove 16 from the sliding groove 15 to realize the positioning assembly of the range extending battery 1 and the mounting rack 3, then the handle 2 is folded towards the protruding block 11 through the buckle 333, so that the clamping hole 23 is clamped with the second clamping block 22 to realize the quick fixing of the range extending battery 1 and the mounting rack 3, finally the range extending battery 1 and the electric vehicle are connected through the parallel wire harness 4.

[0040] Example two

[0041] Reference Figures 6 to 9As shown, the embodiment provides a range-extended battery assembly for an electric vehicle, which comprises the range-extended battery assembly for an electric vehicle of the first embodiment, and further comprises a main battery located in the electric vehicle and a driving device connected with the main battery. The electric vehicle is provided with a parallel seat 5 connected with the main battery and the driving device. Specifically, the parallel seat 5 is connected with the driving device and the main battery, and the parallel seat 5 is provided with parallel power terminals 51 and a plurality of parallel signal terminals 52. The parallel seat 5 is located close to the discharge port 18. Preferably, the parallel seat 5 is located close to the top of the five-way joint of the electric vehicle, so as to facilitate the connection of the parallel seat 5 with the discharge port 18 and the transmission of electric energy, and does not affect the riding, carrying and storage of the user. The mounting member of the mounting bracket 3 is fixed with the electric vehicle through a connecting member, which can be regarded as a screw. The range-extended battery 1 is connected with the parallel seat 5 through a parallel wire harness 4. The parallel wire harness 4 comprises a first connector 41 and a second connector 42 located at two ends. The first connector 41 is connected with the discharge port 18, and the second connector 42 is connected with the parallel seat 5. Preferably, the first connector 41 and the second connector 42 have the same structure, and the discharge port 18 and the parallel seat 5 have the same structure, so that the first connector 41 and the second connector 42 can be connected with the discharge port 18 and the parallel seat 5, thereby improving the convenience in use. In use, the range-extended battery 1 preferentially supplies power to the driving device through the parallel seat 5, and then the main battery of the electric vehicle supplies power when the range-extended battery 1 is out of power. When charging, when the range-extended battery 1 is not connected with the parallel seat 5, an external charging plug is connected with the parallel seat 5, and the external charging plug charges the main battery through the parallel seat 5; when the range-extended battery 1 is connected with the parallel seat 5 through the parallel wire harness, the external charging plug is connected with the charging port 111 of the range-extended battery 1, and the external charging plug charges the main battery through the range-extended battery 1 and the parallel seat 5, and then charges the range-extended battery, so as to achieve the purpose of preferentially charging the main battery. The above charging and power supply processes are controlled by a communication controller in the electric vehicle.

[0042] The range-extended battery assembly for an electric vehicle and the electric vehicle have the mounting bracket 3 capable of detachably fixing the range-extended battery 1, capable of flexibly increasing the total endurance mileage of the electric vehicle, and without the need of modifying the frame, only the weight of the mounting bracket 3 is increased, so that the overall weight of the electric vehicle is small. The half-enclosing structure of the first supporting member 33 and the second supporting member 33 makes the fixing of the range-extended battery 1 and the mounting bracket 3 more stable and better in adhesion. The positioning assembly of the range-extended battery 1 and the mounting bracket 3 is realized through the cooperation of the first clamping block 312 and the clamping groove 16, and the quick fixing of the range-extended battery 1 and the mounting bracket 3 is realized through the cooperation of the handle 2 and the buckle 333. The range-extended battery 1 is connected with the driving device of the electric vehicle through the parallel seat 5, and the main battery is connected with the driving device of the electric vehicle, so that the range-extended battery 1 and the main battery form a parallel relationship, thereby making the range-extended battery 1 preferentially supply power to the driving device, and improving the flexibility and convenience of the range-extended battery 1 in use.

[0043] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated, and the obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A range extending battery assembly for an electric vehicle, characterized by, include: A range extender battery for powering an electric vehicle; The mounting bracket includes a base, a mounting component, and a support component. The base is connected to the mounting component. The support component includes a first support plate and a second support plate connected to the first support plate. The first support plate is connected to the end of the mounting component away from the base, and the second support plate is connected to the end face of the base. Both the first support plate and the second support plate extend along the edge of the base. The base, the mounting component, and the support component together form a space for accommodating the range extender battery.

2. The range extending battery assembly for an electric vehicle of claim 1, wherein: The base is provided with a first locking block, the range extender battery is provided with a locking slot corresponding to the position of the first locking block, and the range extender battery is also provided with a sliding groove that connects to the locking slot.

3. The range extending battery assembly for an electric vehicle of claim 1, wherein: The mounting component includes a mounting plate and a first baffle and a second baffle connected to and symmetrically arranged with the mounting plate. The mounting plate has mounting holes for connecting to the electric vehicle. The first baffle, the second baffle, and the mounting plate form a space for accommodating the connector.

4. The range extending battery assembly for an electric vehicle of claim 3, wherein: The first support plate is connected to the first baffle, and the second baffle is provided with a third baffle extending toward the support member. The line connecting the third baffle and the support member at their closest positions is smaller than the diameter of the range extender battery.

5. The range extending battery assembly for an electric vehicle of claim 3, wherein: The mounting plate has a fourth baffle at one end away from the base. The fourth baffle is arc-shaped and bends toward the range extender battery. The fourth baffle can abut against the range extender battery.

6. The range extending battery assembly for an electric vehicle of claim 1, wherein: The side wall of the range extender battery is provided with a protrusion, and the protrusion is rotatably connected to a rotating ring, and a flexible handle is fitted on the rotating ring.

7. The range extending battery assembly for an electric vehicle of claim 6, wherein: The handle has multiple second locking blocks continuously arranged along its center line, and multiple locking holes for the second locking blocks to engage are also continuously arranged along its center line. The distance between adjacent locking holes is the same as the distance between adjacent second locking blocks. The first support plate has a buckle through which the handle can pass.

8. The range extending battery assembly for an electric vehicle of claim 6, wherein: The protrusion is provided with a charging port, and the charging port is provided with a sealing plug that can block the charging port.

9. The range extending battery assembly for an electric vehicle of claim 1, wherein: The end of the range extender battery that abuts against the base is provided with a discharge port, and the base is provided with an output port corresponding to the position of the discharge port.

10. An electric vehicle, characterized by The range extender battery assembly for an electric vehicle as described in any one of claims 1-9 further includes a main battery located within the electric vehicle and a drive unit connected to the main battery. The electric vehicle is provided with a parallel connector connected to the main battery and the drive unit, and the range extender battery is connected to the parallel connector via a parallel wiring harness.

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