Sodium-ion battery electric vehicle

Abstract

The utility model discloses a sodium ion battery electric vehicle which comprises a vehicle frame and a bottom plate fixedly connected to the top of the vehicle frame, fixing columns are fixedly connected to the top of the bottom plate and located on one side of the four corners, a detachable top plate is jointly installed on the tops of the fixing columns, and a sodium ion battery pack is installed on the top of the bottom plate. Side plates are fixedly connected to the outer sides of every two adjacent fixing columns, a plurality of through grooves are formed in the side plates at equal intervals, movable plates are movably connected to the interiors of the through grooves, rotating shafts rotationally connected to the interiors of the side plates are fixedly connected to the upper ends and the lower ends of the movable plates, and positioning plates are detachably mounted at the tops of the side plates; a plurality of clamping grooves of a cross-shaped structure are formed in the positioning plate at equal intervals. By means of the structure, normal operation and long service life of the battery in different seasons and environments can be guaranteed, especially for the problems that the temperature drops in winter and the endurance mileage is obviously reduced, the influence of the temperature on the battery pack is small, and the stability and reliability of the electric vehicle under the severe weather condition can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric vehicle technical field, especially a kind of sodium ion battery electric vehicle. BACKGROUND

[0002] Electric vehicle is a pure electric motor vehicle driven by battery (battery) and motor (DC, AC, series, he-activated). In recent years, it has been very widely popularized in China. At present, the battery of electric vehicle is mostly lithium battery and lead-acid battery, and sodium ion battery electric vehicle is a new type of electric vehicle, which uses sodium ion battery as power source.

[0003] Currently, electric vehicles face a significant technical problem in cold regions and seasons, that is, battery performance is greatly affected by temperature. In low temperature environment, the chemical reaction rate of battery slows down, resulting in reduced battery capacity, which means that the range of electric vehicles in cold weather may decrease significantly, and users need to charge more frequently when driving long distances, affecting the convenience of use and the stability of electric vehicles in cold regions and seasons. Therefore, the utility model provides a sodium ion battery electric vehicle to solve the problems raised in the above background technology. SUMMARY

[0004] The utility model aims at providing a kind of sodium ion battery electric vehicle, it is beneficial to ensure the normal operation and long service life of battery in different seasons and environments, especially for the problem that the range will decrease significantly in winter, so that the battery pack is less affected by temperature, which is beneficial to improve the stability and reliability of electric vehicles in severe weather conditions.

[0005] To achieve the above purpose, a kind of sodium ion battery electric vehicle is provided, which comprises a vehicle frame and a bottom plate fixedly connected to the top of the vehicle frame, the top of the bottom plate and one side of the four corners are fixedly connected with a fixed column, the top of the fixed column is jointly installed with a detachable top plate, the top of the bottom plate is installed with a sodium ion battery pack, the outer side of every two adjacent fixed columns is fixedly connected with a side plate, a plurality of through slots are equally arranged in the inside of the side plate, the inside of the through slot is movably connected with a movable plate, the upper and lower ends of the movable plate are fixedly connected with a rotating shaft rotatably connected to the inside of the side plate, the top of the side plate is detachably installed with a positioning plate, a plurality of cross-shaped clamping grooves are equally arranged in the inside of the positioning plate, the top end of the rotating shaft of the movable plate is fixedly connected with two clamping blocks symmetrically, and the clamping block is connected with the corresponding clamping groove.

[0006] According to the sodium ion battery electric vehicle, the two sides of the through slot are arc structures and are fixedly connected with sealing pads, and the two sides of the movable plate are also arc structures.

[0007] According to the sodium ion battery electric vehicle, the top plate is connected with the fixing column through bolts, and the positioning plate is also connected with the top of the corresponding side plate through bolts.

[0008] According to the sodium ion battery electric vehicle, the inner surfaces of the bottom plate, the side plate and the top plate are all provided with a fireproof layer.

[0009] According to the sodium ion battery electric vehicle, the inside of the bottom plate, the side plate and the top plate is all provided with a thermal insulation interlayer.

[0010] According to the sodium ion battery electric vehicle, the sealing gasket is made of fluorosilicon material.

[0011] The utility model has the advantages of:

[0012] Compared with the prior art, the sodium ion battery electric vehicle is closed and protected by the side plate, which is beneficial to ensure the normal operation and long service life of the battery under different seasons and environments, especially for the problem that the cruising range will be significantly reduced under winter temperature, so that the battery pack is less affected by temperature, and the stability and reliability of the electric vehicle under adverse weather conditions are improved.

[0013] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further described below in combination with the drawings and examples;

[0015] Figure 1 It is the first whole structure schematic view of the utility model sodium ion battery electric vehicle;

[0016] Figure 2 It is the second whole structure schematic view of the utility model sodium ion battery electric vehicle;

[0017] Figure 3 It is the bottom plate internal structure schematic view of the utility model sodium ion battery electric vehicle;

[0018] Figure 4 It is the bottom plate and fixing column structure schematic view of the utility model sodium ion battery electric vehicle;

[0019] Figure 5 It is the side plate, through slot, movable plate and positioning plate structure schematic view of the utility model sodium ion battery electric vehicle;

[0020] Figure 6 It is the side plate internal section structure schematic view of the utility model sodium ion battery electric vehicle;

[0021] Figure 7 It is a side plate and through slot structure schematic view of the sodium ion battery electric vehicle of the utility model;

[0022] Figure 8 It is a movable plate, pivot, clamping block and movable plate structure schematic view of the sodium ion battery electric vehicle of the utility model;

[0023] Figure 9 It is a movable plate, pivot, clamping block and movable plate structure schematic view of the sodium ion battery electric vehicle of the utility model; Figure 6 The enlarged structure schematic view of A place in the middle.

[0024] Legend:

[0025] 1, frame; 2, bottom plate; 3, side plate; 4, top plate; 5, through slot; 6, movable plate; 7, positioning plate; 8, fixed column; 9, sealing gasket; 10, pivot; 11, clamping block; 12, clamping groove; 13, bolt; 14, sodium ion battery pack. Specific implementation

[0026] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0027] With reference to Figures 1-9 , the utility model embodiment a sodium ion battery electric vehicle, it includes frame 1 and the bottom plate 2 of fixed connection in the top of frame 1, the bottom plate 2 top and one side fixed connection in four corners have fixed column 8, the top of fixed column 8 is detachably installed with top plate 4, the bottom plate 2 top is installed with sodium ion battery pack 14, every two adjacent fixed column 8 outside is fixedly connected with side plate 3, the inside of side plate 3 is all equidistantly provided with multiple through slots 5, the inside of through slot 5 is all movably connected with movable plate 6, the upper and lower ends of movable plate 6 are all fixedly connected with pivot 10 rotatably connected in the inside of side plate 3, the top of side plate 3 is detachably installed with positioning plate 7, the inside of positioning plate 7 is all equidistantly provided with multiple clamping grooves 12 of cross structure, the top end of pivot 10 on the top of movable plate 6 is all fixedly connected with two clamping blocks 11, and clamping block 11 is all connected with corresponding clamping groove 12.

[0028] The sodium-ion battery pack 14 is mounted inside the side plate 3, and a through slot 5 is formed in the inside of the side plate 3 to ensure air circulation and heat dissipation of the sodium-ion battery pack 14. When the sodium-ion battery pack 14 needs ventilation and heat dissipation, the movable plate 6 is rotated to be perpendicular to the side plate 3, the positioning plate 7 is mounted on the side plate 3 and the clamping groove 12 is connected with the clamping block 11 to realize the positioning operation of the movable plate 6, so as to avoid affecting the battery performance and service life due to high temperature. When the sodium-ion battery pack 14 needs protection in cold season, after removing the positioning plate 7, the movable plate 6 is rotated to be parallel to the side plate 3, the through slot 5 is closed, the positioning plate 7 is installed and the clamping groove 12 is connected with the clamping block 11 to realize the positioning operation of the movable plate 6, so as to ensure the good closing effect of the side plate 3. The sodium-ion battery pack 14 is closed and protected by the side plate 3, so as to effectively reduce the influence of temperature on the battery pack. The design of closing and protecting the sodium-ion battery pack 14 by the side plate 3 is beneficial to ensure the normal operation and long service life of the battery in different seasons and environments, especially for the problem that the range will be significantly reduced in winter, so that the battery pack is less affected by temperature, which is beneficial to improve the stability and reliability of the electric vehicle in bad weather conditions.

[0029] Both sides of the through slot 5 are circular arc structures and are fixedly connected with sealing pads 9, both sides of the movable plate 6 are also circular arc structures, and when the movable plate 6 moves inside the through slot 5 and keeps parallel to the side plate 3, the two sides of the movable plate 6 cooperate with the circular arc sealing pads 9 to ensure the sealing of the connection between the movable plate 6 and the through slot 5, thereby facilitating the sealing of the inside space of the side plate 3.

[0030] In order to ensure the stability and adjustability of the movable plate 6 and the top plate 4, the top plate 4 is connected with the fixed column 8 through the bolt 13, the positioning plate 7 is also connected with the top of the corresponding side plate 3 through the bolt 13, and the bolt 13 is used to fix the top plate 4 and the movable plate 6, which facilitates the disassembly and assembly work.

[0031] The inside surfaces of the bottom plate 2, the side plate 3 and the top plate 4 are provided with fire-resistant layers to enhance safety and reduce the occurrence of fire accidents. The inside of the bottom plate 2, the side plate 3 and the top plate 4 is provided with a thermal insulation interlayer to improve the performance of the vehicle in cold environment. The sealing pad 9 is made of fluorosilicon material, which has the characteristics of cold resistance, high temperature resistance and low temperature resistance, so as to ensure good sealing effect.

[0032] Working principle: the sodium ion battery pack 14 is installed in the inner side of the side plate 3, and a through slot 5 is formed in the inner side of the side plate 3 to ensure air circulation and heat dissipation function of the sodium ion battery pack 14. When the sodium ion battery pack 14 needs ventilation and heat dissipation, the movable plate 6 is rotated to be perpendicular to the side plate 3, the positioning plate 7 is installed on the side plate 3 and the clamping groove 12 is connected with the clamping block 11 to realize the positioning operation of the movable plate 6, so that the influence of high temperature on the battery performance and service life is avoided. When the sodium ion battery pack 14 needs protection in cold season, the positioning plate 7 is removed and the movable plate 6 is rotated to be parallel to the side plate 3, so that the through slot 5 can be closed, the positioning plate 7 is installed and the clamping groove 12 is connected with the clamping block 11 to realize the positioning operation of the movable plate 6, so that the good closing effect of the side plate 3 is ensured. The sodium ion battery pack 14 is closed and protected by the side plate 3, so that the influence of temperature on the battery pack is effectively reduced. The design of closing and protecting the sodium ion battery pack 14 by the side plate 3 can ensure the normal operation and long service life of the battery in different seasons and environments, especially for the problem that the cruising range will be obviously reduced under the temperature drop in winter, so that the battery pack is less affected by temperature, and the stability and reliability of the electric vehicle under adverse weather conditions are improved.

[0033] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A sodium-ion battery electric vehicle, characterized in that, The system includes a frame (1) and a base plate (2) fixedly connected to the top of the frame (1). A fixing post (8) is fixedly connected to the top of the base plate (2) and to one of its four corners. A detachable top plate (4) is installed on the top of each fixing post (8). A sodium-ion battery pack (14) is installed on the top of the base plate (2). A side plate (3) is fixedly connected to the outer side of every two adjacent fixing posts (8). Multiple through slots (5) are equidistantly spaced inside each side plate (3). Each through slot (5) contains... The movable plate (6) is connected to the movable plate (6). Both the upper and lower ends of the movable plate (6) are fixedly connected to the rotating shaft (10) which is rotatably connected inside the side plate (3). The top of the side plate (3) is equipped with a detachable positioning plate (7). The positioning plate (7) has multiple cross-shaped slots (12) evenly spaced inside. The top of the rotating shaft (10) at the top of the movable plate (6) is symmetrically fixedly connected to two locking blocks (11). The locking blocks (11) are connected to the corresponding locking slots (12).

2. The sodium-ion battery electric vehicle according to claim 1, characterized in that, Both sides of the through groove (5) are arc structures and are fixedly connected with sealing gaskets (9). Both sides of the movable plate (6) are also arc structures.

3. A sodium-ion battery electric vehicle according to claim 2, characterized in that, The top plate (4) is connected to the fixed column (8) by bolts (13), and the positioning plate (7) is also connected to the top of the corresponding side plate (3) by bolts (13).

4. A sodium-ion battery electric vehicle according to claim 3, characterized in that, The inner surfaces of the bottom plate (2), side plate (3) and top plate (4) are all provided with flame-retardant layers.

5. A sodium-ion battery electric vehicle according to claim 4, characterized in that, The bottom plate (2), side plate (3) and top plate (4) are all equipped with thermal insulation interlayers.

6. A sodium-ion battery electric vehicle according to claim 5, characterized in that, The sealing gasket (9) is made of fluorosilicone material.

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