Single-parallel close-packed structure for battery pack of electric cross-country motorcycle

Abstract

The utility model discloses a single-parallel close-packed structure for a battery pack of an electric cross-country motorcycle, which comprises a single-parallel close-packed body, an auxiliary component arranged above the single-parallel close-packed body, and a protective component arranged on one side of the single-parallel close-packed body. The first telescopic rods sleeved with the springs can absorb impact force and disperse pressure, so that the battery units are effectively protected against direct impact, meanwhile, the protection assemblies which are arranged in a single and close-packed mode can provide additional buffer protection when the battery pack is subjected to side impact, the influence of the impact force on the battery units is further reduced, and the service life of the battery pack is prolonged. Impact force can be effectively absorbed and dispersed in multiple directions, and the use requirements of the electric cross-country motorcycle under complex and changeable terrains are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field, specifically, relate to a single parallel dense arrangement structure for electric off -road motorcycle battery pack. BACKGROUND

[0002] Single parallel dense arrangement structure is a kind of optimized space utilization, improves the way of battery pack energy density in electric off -road motorcycle battery pack design, this structure usually involves the close arrangement of multiple battery units in series or parallel, to form a whole battery module, for electric off -road motorcycle, since it needs to face complex and changeable terrain, therefore, the energy density, safety and heat dissipation performance of battery have higher requirements.

[0003] But single parallel dense arrangement structure single parallel dense arrangement structure cannot provide sufficient buffer and protection when suffering external impact in actual use, leading to battery unit damage, even cause short circuit, fire or explosion and other dangerous situations.

[0004] For the problems in the related art, so far no effective solution has been proposed. INVENTION CONTENTS

[0005] For the problems in the related art, the utility model provides a single parallel dense arrangement structure for electric off -road motorcycle battery pack to overcome the above technical problems existing in the prior art.

[0006] Therefore, the specific technical scheme adopted by the utility model is as follows:

[0007] A single parallel dense arrangement structure for electric off -road motorcycle battery pack, including single parallel dense arrangement body, the upper portion of single parallel dense arrangement body is provided with auxiliary assembly, auxiliary assembly includes the protective plate provided on the upper portion of single parallel dense arrangement body, the upper portion and the lower portion of protective plate are provided with auxiliary hole distributed at equal distance, the inner wall of auxiliary hole is fixedly connected with spring sleeve telescopic rod one, one end of spring sleeve telescopic rod one is fixed with auxiliary plate, one side of auxiliary plate is connected with auxiliary rod through bearing, and one end of auxiliary rod is screw-connected with the upper portion of single parallel dense arrangement body.

[0008] Further, in order to better assist protection for electric off -road motorcycle battery pack, the side of single parallel dense arrangement body is provided with protection assembly, protection assembly includes the protection groove provided on the side of single parallel dense arrangement body away from protective plate, the inner wall of protection groove is fixed with spring sleeve telescopic rod two, and one end of spring sleeve telescopic rod two is fixed with buffer plate.

[0009] Further, in order to better limit composite busbar, the side of single parallel dense arrangement body is provided with multiple composite busbars, and the side of composite busbar is provided with multiple clamping blocks.

[0010] Further, one end of the plurality of clamping blocks is clamped with a clamping seat, and one side of the clamping seat is arranged on the inner wall of the single parallel and dense arrangement body.

[0011] Further, the single parallel and dense arrangement body is fixedly provided with equidistantly distributed vertical square columns on one side, and a plurality of hollow cylindrical fasteners are fixedly arranged on one side of the single parallel and dense arrangement body close to the vertical square columns.

[0012] Further, the single parallel and dense arrangement body is fixedly provided with a limiting plate on one side, and one side of the limiting plate is close to one side of the vertical square column.

[0013] Further, the single parallel and dense arrangement body is provided with equidistantly distributed cylindrical ventilation holes.

[0014] The utility model discloses the beneficial effects are:

[0015] (1), through the auxiliary assembly of single parallel and dense arrangement body setting, can absorb impact force and disperse pressure when the battery pack is impacted from outside, thereby effectively protecting the battery unit from direct impact, and the protection assembly of single parallel and dense arrangement body setting can provide additional buffer protection when the battery pack is impacted from the side, further reduce the influence of impact force on the battery unit, can effectively absorb and disperse impact force in multiple directions, adapt to the use demand of electric off-road motorcycle under complex and changeable terrain.

[0016] (2), through the composite busbar of single parallel and dense arrangement body setting, and utilize the clamping block and clamping seat to realize stable connection, ensure that the electrical connection between the battery unit is stable and reliable, avoid loose connection due to vibration or impact, thereby improve the overall stability of the battery pack, and the cylindrical ventilation hole of single parallel and dense arrangement body setting can effectively improve the air flow inside the battery pack, accelerate heat dissipation, and prevent the battery pack from causing safety hazards due to high temperature during charging and discharging. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0018] Figure 1 It is a structure schematic view of a single parallel and dense arrangement structure for the battery pack of electric off-road motorcycle according to the utility model embodiments;

[0019] Figure 2 It is a bottom view structure schematic view of a single parallel and dense arrangement structure for the battery pack of electric off-road motorcycle according to the utility model embodiments;

[0020] Figure 3 This is a schematic diagram of a protective component structure for a single parallel close-packed structure of a battery pack for an electric off-road motorcycle according to an embodiment of the present utility model;

[0021] Figure 4 This is a schematic diagram of an auxiliary component structure for a single parallel close-packed structure of a battery pack for an electric off-road motorcycle, according to an embodiment of the present invention.

[0022] Figure 5 This is a schematic diagram of a composite busbar and snap-fit ​​block structure for a single parallel close-packed structure of a battery pack for an electric off-road motorcycle, according to an embodiment of the present invention.

[0023] In the picture:

[0024] 1. Single parallel close-packed body; 2. Auxiliary components; 201. Protective plate; 202. Auxiliary hole; 203. Spring-loaded telescopic rod one; 204. Auxiliary plate; 205. Auxiliary rod; 3. Protective components; 301. Protective groove; 302. Spring-loaded telescopic rod two; 303. Buffer plate; 4. Composite busbar; 5. Snap-fit ​​block; 6. Snap-fit ​​seat; 7. Upright square column; 8. Hollow cylindrical fastener; 9. Limiting plate; 10. Cylindrical vent. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1:

[0027] like Figures 1-5 As shown, a single-parallel close-packed structure for an electric off-road motorcycle battery pack according to an embodiment of the present invention includes a single-parallel close-packed body 1, which is composed of a cell support and multiple isolation layers. The isolation layers isolate each battery cell, ensuring the safety and robustness of the battery pack, but also increasing the volume and weight of the battery pack. No isolation layers are set between adjacent cells in the parallel battery pack, forming a tight parallel battery module. The bottom of the isolation layer protrudes slightly into the cell to support the battery cell and improve the tightness of the cell support.

[0028] The insulating layer provides electrical isolation between two series-connected battery modules, ensuring the safety of the entire battery module and strictly preventing direct contact between the positive and negative terminals of the battery cells during charging and discharging. If a short circuit occurs, the battery may rapidly overheat, catch fire, or even explode. Therefore, the cell support effectively isolates the electrical contact between battery cells, preventing short circuits caused by manufacturing defects, external impacts, or improper installation.

[0029] The single-parallel densely packed cell 1 has three grooves on both sides of the cell support, with nuts embedded at the bottom of the grooves and the outer side of the nuts being gear-shaped;

[0030] An auxiliary component 2 is provided above the single-parallel close-packed body 1. The auxiliary component 2 includes a protective plate 201 provided above the single-parallel close-packed body 1. The protective plate 201 has auxiliary holes 202 that are evenly distributed above and below it. A spring-loaded telescopic rod 203 is fixedly connected to the inner wall of the auxiliary hole 202. An auxiliary plate 204 is fixed to one end of the spring-loaded telescopic rod 203. An auxiliary rod 205 is connected to one side of the auxiliary plate 204 through a bearing. One end of the auxiliary rod 205 is threadedly connected to the top of the single-parallel close-packed body 1.

[0031] A protective component 3 is provided on one side of the single-parallel close-packed body 1. The protective component 3 includes six protective grooves 301 opened on the side of the single-parallel close-packed body 1 away from the protective plate 201. A spring-loaded telescopic rod 302 is fixed to the inner wall of the protective groove 301. A buffer plate 303 is fixed to one end of the spring-loaded telescopic rod 302.

[0032] The spring-loaded telescopic rod 2 (302) and the spring-loaded telescopic rod 1 (203) consist of telescopic rod 1 (small diameter), telescopic rod 2 (large diameter) and their springs. One end of telescopic rod 1 is nested and connected to the inner wall of telescopic rod 2 through a sealing block or sealing gasket. The spring is fitted on the outside of telescopic rod 1 and telescopic rod 2.

[0033] Example 2:

[0034] like Figures 1-5 As shown, according to an embodiment of the present invention, a single-parallel dense-pack structure for an electric off-road motorcycle battery pack is provided on one side of the single-parallel dense-pack body 1. The number of composite busbars 4 can be adjusted according to the actual situation. The composite busbars 4 are composed of a pure nickel layer and a nickel-plated copper layer. Four snap-fit ​​blocks 5 are provided on one side of the composite busbars 4. One end of the four snap-fit ​​blocks 5 is snapped with a snap-fit ​​seat 6. The number of snap-fit ​​seats 6 and snap-fit ​​blocks 5 can be adjusted according to the actual situation. One side of the snap-fit ​​seat 6 is provided on the inner wall of the single-parallel dense-pack body 1.

[0035] The single parallel and dense body 1 is fixedly provided with equidistantly distributed vertical square columns 7 on one side, the middle of the square column is provided with a square hollow, and the square hollow is opened on the outside of the square column, the square hollow is used for preventing the voltage sampling line of the battery module, the sampling line is placed in the hollow, the falling and disorder of the sampling line are prevented, five hollow cylindrical fasteners 8 are fixedly arranged on one side of the single parallel and dense body 1 close to the vertical square column 7, and are used for fixing two groups of battery modules, and the two battery modules are stacked;

[0036] The lower end of the hollow cylindrical fastener 8 is provided with a sheet-shaped support wing, equidistantly distributed hexagonal nut grooves are left between the hollow cylindrical fastener 8 and the bottom of the cell support of the single parallel and dense body 1, the hexagonal nut grooves are opposite to the hollow cylindrical fastener 8 and the vertical square column 7, the hexagonal nut grooves have the same thickness as the support thickness, a limiting plate 9 is fixedly arranged on one side of the single parallel and dense body 1, one side of the limiting plate 9 is close to one side of the vertical square column 7, equidistantly distributed cylindrical ventilation holes 10 are formed in the single parallel and dense body 1, and are used for improving the air flow in the battery, effectively improving the heat dissipation of the battery, and preventing the battery from being dangerous due to excessively high temperature in the charging and discharging process of the battery module.

[0037] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail.

[0038] As described above, according to the above technical scheme of the utility model, when installing, the staff places the battery module into the single parallel and dense body 1, then contacts another single parallel and dense body 1 with the battery module, places the auxiliary rod 205 in threaded connection with the single parallel and dense body 1, one end of the auxiliary rod 205 can rotate through the bearing, rigid transmission is avoided to cause the deformation of the battery unit, when the battery pack is vertically impacted (such as a bumpy road), the auxiliary rod 205 connected through the bearing of the spring sleeve telescopic rod two 203 and the auxiliary plate 204 transmits the impact force to the threaded connection position of the single parallel and dense body 1, and multi-stage buffering is formed.

[0039] The protection groove 301 and the spring sleeve telescopic rod two 302 and the buffer plate 303 embedded in the protection groove 301 of the single parallel and dense body 1 can push the spring sleeve telescopic rod two 302 to shrink when being impacted, convert the impact force into elastic potential energy, and the displacement range of the buffer plate 303 is limited by the protection groove 301, so that the internal structure is prevented from being damaged due to excessive compression;

[0040] The composite busbar 4 adopts a composite structure of a pure nickel layer (high conductivity) and a nickel-plated copper layer (corrosion resistance), so that the resistance is reduced and the service life is prolonged, the clamping block 5 provided on the composite busbar 4 is mechanically clamped with the clamping seat 6 provided in the single parallel and dense body 1, the composite busbar 4 is fixed through elastic engagement, even under high-frequency vibration, the composite busbar 4 still maintains close contact, and the loose is avoided to cause a circuit break or a spark.

[0041] At the same time, equidistant cylindrical ventilation holes 10 are opened on the surface of the single and dense array 1, so that the single and dense array 1 forms a through type air duct, and when the battery module is charged and discharged, the internal hot air is naturally convected and discharged through the cylindrical ventilation holes 10, the external cold air is inhaled from the bottom, passive heat dissipation is realized, and the hollowed-out upright square column 7 and the sheet-shaped support wing of the hollow cylindrical fastener 8 are combined, so that structure reinforcement, module stacking and cable regulation are realized.

[0042] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A single parallel monoblock structure for an electric off-road motorcycle battery pack, characterized by, Including single and dense body (1), the upper side of single and dense body (1) is provided with auxiliary assembly (2), auxiliary assembly (2) includes the protective plate (201) provided above single and dense body (1), the upper side and the lower side of protective plate (201) are provided with auxiliary hole (202) of equal distance distribution, the inner wall of auxiliary hole (202) is fixedly connected with spring sleeve telescopic rod one (203), one end of spring sleeve telescopic rod one (203) is fixed with auxiliary plate (204), one side of auxiliary plate (204) is connected with auxiliary rod (205) through bearing, one end of auxiliary rod (205) is connected with the upper side of single and dense body (1) by screw thread.

2. A single parallel arrangement for a battery pack for an electrically powered off-road motorcycle as claimed in claim 1, wherein, One side of single and dense body (1) is provided with protection assembly (3), protection assembly (3) includes several protection grooves (301) that are opened in the side of single and dense body (1) away from protective plate (201), the inner wall of protection groove (301) is fixed with spring sleeve telescopic rod two (302), one end of spring sleeve telescopic rod two (302) is fixed with buffer plate (303).

3. A single parallel arrangement for an electric off-road motorcycle battery pack according to claim 2, characterized in that, One side of single and dense body (1) is provided with multiple composite busbars (4), one side of composite busbar (4) is provided with multiple clamping blocks (5).

4. A single parallel arrangement for an electric off-road motorcycle battery pack according to claim 3, characterized in that, One end of multiple clamping blocks (5) is clamped with clamping seat (6), one side of clamping seat (6) is arranged on the inner wall of single and dense body (1).

5. A single parallel arrangement for an electric off-road motorcycle battery pack according to claim 4, characterized in that, One side of single and dense body (1) is fixedly provided with the upright square column (7) of equal distance distribution, one side of single and dense body (1) is fixedly provided with several hollow cylindrical fasteners (8) near the side of upright square column (7).

6. A single parallel arrangement for an electric off-road motorcycle battery pack according to claim 5, characterized in that, One side of single and dense body (1) is fixedly provided with limiting plate (9), one side of limiting plate (9) is near the side of upright square column (7).

7. A single parallel arrangement for an electric off-road motorcycle battery pack according to claim 6, characterized in that, Single and dense body (1) is provided with cylindrical ventilation hole (10) of equal distance distribution.

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