CN207558843U - Battery tray - Google Patents

Abstract

The utility model proposes a battery tray, comprising: a lower tray, a middle frame and an upper tray, the middle frame is arranged between the lower tray and the upper tray, wherein the lower tray, the middle frame and the The above pallets are all fiber reinforced composite materials. The battery tray according to the utility model has the characteristics of high strength, light weight and simple structure.

Description

battery tray

technical field

The utility model relates to the technical field of vehicles, in particular to a battery tray.

Background technique

In the related art, the battery tray welded by all aluminum alloy is heavy, has many welding seam positions, poor sealing performance, and the aluminum alloy has a large coefficient of electrical conductivity and thermal conductivity, which poses a safety hazard as a material for the battery tray.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, the utility model proposes a battery tray, which has the advantages of high strength, light weight, good sealing performance and simple structure.

The battery tray according to the utility model includes: a lower tray, a middle frame and an upper tray, and the middle frame is arranged between the lower tray and the upper tray, wherein the lower tray, the middle frame and the The upper trays are made of fiber reinforced composite materials.

The battery tray according to the utility model has the characteristics of high strength, light weight and simple structure because the lower tray, the middle frame and the upper tray are all made of fiber-reinforced composite materials.

According to an embodiment of the present invention, the lower tray includes: a lower tray bottom wall and a lower tray peripheral wall arranged on the outer periphery of the lower tray bottom wall and extending upward; the lower tray bottom wall and the middle frame The lower side of the lower tray is bonded and fixed, and the bottom wall of the lower tray is bonded and fixed to the outer side of the middle frame.

According to an embodiment of the present invention, the upper tray includes: an upper tray bottom wall, an upper tray peripheral wall, and an upper tray flange, and the upper tray peripheral wall is arranged on the outer peripheral edge of the upper tray bottom wall and extends upward, so that The upper tray flange is arranged on the upper edge of the upper tray peripheral wall and extends outward; the upper tray flange is bonded to the upper side of the middle frame, and the upper tray peripheral wall is bonded to the inner side of the middle frame. Side adhesive fastening.

According to an embodiment of the present utility model, an insulation layer is provided between the bottom wall of the lower tray and the bottom wall of the upper tray.

According to an embodiment of the present utility model, a thermal insulation element is arranged inside the middle frame.

According to an embodiment of the present invention, the battery tray further includes: a reinforcing beam, the reinforcing beam is arranged on the upper side of the upper tray and bonded and fixed with the upper tray, the reinforcing beam is a fiber-reinforced composite material pieces.

According to an embodiment of the present invention, the reinforcing beam includes: reinforcing beams and reinforcing longitudinal beams, and the reinforcing beams and the reinforcing longitudinal beams are multiple and arranged in a staggered manner.

According to an embodiment of the present utility model, the inside of the middle frame is provided with a middle frame reinforcing rib.

According to an embodiment of the present invention, the cross-section of the middle frame is configured in the shape of "口", "日", "目" or "田".

According to an embodiment of the present utility model, lower tray reinforcement ribs are provided on the outer surface or the inner surface of the lower tray.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic diagram of a battery tray according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the lower tray according to an embodiment of the present invention;

Fig. 3 is an exploded view of a battery tray according to an embodiment of the present invention;

Fig. 4 is a schematic diagram of the middle frame of the battery tray according to the embodiment of the present invention;

5 is a cross-sectional view of a battery tray according to an embodiment of the present invention;

Fig. 6 is a partially enlarged view of A circled in Fig. 5;

Fig. 7 is a cross-sectional view of a battery tray according to an embodiment of the present invention.

Reference signs:

battery tray 100,

Lower tray 110, lower tray bottom wall 111, lower tray peripheral wall 112, lower tray reinforcing rib 113,

Middle frame 120, middle frame rib 121,

Upper tray 130, upper tray bottom wall 131, upper tray peripheral wall 132, upper tray flange 133,

insulation layer 140,

Reinforced beam 150, reinforced beam 151, reinforced longitudinal beam 152,

Thermal insulation 160.

Detailed ways

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components , unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The battery tray 100 of the present invention will be described below according to FIGS. 1-7 .

The battery tray 100 according to the utility model includes a lower tray 110, a middle frame 120 and an upper tray 130, and the middle frame 120 is arranged between the lower tray 110 and the upper tray 130, wherein the lower tray 110, the middle frame 120 and the upper tray 130 are all fiber Reinforced composite parts.

The fiber-reinforced composite materials used in the lower tray 110, the middle frame 120 and the upper tray 130 can be one or more of glass fiber, carbon fiber, aramid fiber and basalt fiber. The fiber-reinforced composite material has the characteristics of insulation and high strength .

The lower tray 110 has an accommodation space for the middle frame 120 and the upper tray 130, the middle frame 120 is a frame structure, the middle frame 120 can be embedded in the lower tray 110, and the outer side wall and the bottom wall of the middle frame 120 can be connected with the side of the lower tray 110. The wall and the bottom wall are fixed, the upper tray 130 can be fixed in the middle frame 120 , and the side wall of the upper tray 130 can be fixed with the inner side wall of the middle frame 120 .

Since the lower tray 110, the middle frame 120, and the upper tray 130 are made of fiber-reinforced composite materials, the weight of the battery tray 100 is significantly lower than that of the aluminum alloy-supported battery tray, so more battery packs can be installed to improve the vehicle performance. Battery life.

In addition, the processing of the lower tray 110, the middle frame 120 and the upper tray 130 is simpler and the production is more convenient, which at least improves the production efficiency of the battery tray to a certain extent.

The battery tray 100 according to the utility model is provided with the lower tray 110, the middle frame 120 and the upper tray 130, and fiber-reinforced composite materials are used at the same time, so that the battery tray 100 has the characteristics of high strength, light weight and simple structure.

According to an embodiment of the present invention, as shown in FIG. 2 , the lower tray 110 includes a lower tray bottom wall 111 and a lower tray peripheral wall 112 disposed on the outer periphery of the lower tray bottom wall 111 and extending upward. The lower tray bottom wall 111 is bonded and fixed to the lower side of the middle frame 120 , and the lower tray bottom wall 111 is bonded and fixed to the outer side of the middle frame 120 .

The bottom wall 111 of the lower tray and the peripheral wall 112 of the lower tray define an accommodating space, and the middle frame 120 can be embedded in the accommodating space.

As shown in Figures 1 and 3, the upper tray 130 includes an upper tray bottom wall 131, an upper tray peripheral wall 132 and an upper tray flange 133, the upper tray peripheral wall 132 is arranged on the outer periphery of the upper tray 130 and extends upward, and the upper tray flange 133 is set On the upper edge of the upper tray peripheral wall 132 and extending outward, the upper tray flange 133 is bonded and fixed to the upper side of the middle frame 120 , and the upper tray peripheral wall 132 is bonded and fixed to the inner side of the middle frame 120 .

The bottom wall 131 of the upper tray and the peripheral wall 132 of the upper tray can define an accommodation space, which can be used to place battery packs or other components. The upper tray flange 133 is bonded and fixed to the upper side of the middle frame 120. 133 can cover the upper side of the middle frame 120 and fix it with the upper side, hide the middle frame 120 on the underside of the upper tray flange 133, and the middle frame 120 is arranged in the middle of the lower tray 110 and the upper tray 130, which strengthens the battery life. The structural strength of the tray 100.

According to an embodiment of the present utility model, as shown in FIG. 3 , FIG. 5 and FIG. 6 , an insulating layer 140 is provided between the lower tray bottom wall 111 and the upper tray bottom wall 131 . The thermal insulation layer 140 can use aluminum honeycomb or foam material as thermal insulation material to increase the thermal insulation performance of the battery tray 100 .

The insulation layer 140 can be a plate type, covering the bottom wall of the lower tray 110, separating the lower tray 110 from the upper tray 130, and can insulate the temperature between the upper tray 130 and the lower tray 110, so that the battery tray 100 inside The temperature is relatively constant to prevent the battery installed on the battery tray 100 from being unstable due to too low or too high temperature; the insulation layer 140 also has the function of impact resistance, and the insulation layer 140 can be used when the battery tray 100 is impacted. Absorb impact energy and effectively reduce battery damage.

As shown in Fig. 5 and Fig. 6, the inside of the middle frame 120 is provided with a thermal insulation member 160, the thermal insulation member 160 can use aluminum honeycomb or foaming material as the thermal insulation material, since the middle frame 120 is a hollow structure, the thermal insulation member 160 can be arranged in the middle In the inner space of the frame 120, the thermal insulation part 160 can make the side of the battery tray 100 have a thermal insulation effect, ensure that the battery pack is in a relatively stable environment, and prevent the batteries on the battery tray 100 from being damaged due to low or high temperature. The thermal insulation part 160 It also has the function of impact resistance. When the side of the battery tray 100 is impacted, it can absorb the impact energy to protect the battery and reduce the damage of the battery.

According to an embodiment of the present utility model, as shown in Fig. 1 , Fig. 3 and Fig. 5 , the battery tray 100 also has a reinforcing beam 150, the reinforcing beam 150 is arranged on the upper side of the upper tray 130 and fixed with the upper tray 130 , the reinforcing beam 150 is a fiber-reinforced composite material, and the fiber-reinforced composite material can be made of one or more of glass fiber, carbon fiber, aramid fiber and basalt fiber.

Further, the reinforcing beam 150 may include reinforcing beams 151 and reinforcing longitudinal beams 152, and the reinforcing beams 151 and the reinforcing longitudinal beams 152 are multiple and arranged in a staggered manner.

The reinforcing beam 151 and the reinforcing longitudinal beam 152 are perpendicular to each other, the lower sides of the reinforcing beam 151 and the reinforcing longitudinal beam 152 are bonded and fixed to the upper tray 130, and the end faces of the reinforcing beam 151 and the reinforcing longitudinal beam 152 can stop against the surrounding wall of the upper tray 130 , and fixed on the bottom wall of the upper tray 130 by bonding, the reinforced beam 151 and the reinforced longitudinal beam 152 form a frame structure, which strengthens the overall strength of the battery tray 100 .

According to an embodiment of the present utility model, as shown in Figure 7, the inside of the middle frame 120 is provided with a middle frame reinforcing rib 121, the middle frame 120 can be integrally formed, and the middle frame reinforcing rib 121 can make the inner space of the middle frame 120 separated to form a plurality of hollow frame structures, which effectively improves the strength of the middle frame 120, and further improves the overall strength of the battery tray 100.

According to an embodiment of the present utility model, the cross-section of the middle frame 120 is configured in the shape of "口", "日", "目" or "田", and the middle frame ribs 121 form a stable structure, and the inside of the middle frame 120 can be divided into multiple spaces, and the middle frame 120 is a one-piece molding, thereby simplifying the structure of the middle frame 120, improving the strength of the middle frame 120, and improving the middle frame 120 at least to a certain extent. Frame 120 production efficiency.

According to an embodiment of the present invention, lower tray reinforcing ribs 113 are provided on the outer or inner surface of the lower tray 110 . When the lower tray reinforcing rib 113 is disposed inside the lower tray 110 , the lower tray reinforcing rib 113 is disposed between the lower tray 110 and the upper tray 130 .

Optionally, as shown in FIG. 2 , lower tray reinforcing ribs 113 are provided on the outer surface of the bottom wall 111 of the lower tray or the outer surface of the peripheral wall 112 of the lower tray.

The lower tray reinforcing rib 113 is arranged on the outer surface of the lower tray bottom wall 111, and the lower tray reinforcing rib 113 can be bonded and fixed on the outer surface of the lower tray bottom wall 111. There are multiple lower tray reinforcing ribs 113, and the lower tray reinforcing rib 113 is uniform. Set on the bottom wall 111 of the lower tray, the rib 113 of the lower tray has a certain thickness. The rib 113 of the lower tray is configured as a long strip, and the edge is thinner and the middle is thicker, so as to further strengthen the strength of the bottom wall 111 of the lower tray.

The battery tray 100 according to the utility model has the lower tray 110, the middle frame 120 and the upper tray 130 of the above-mentioned embodiments, and the reinforcement beam 150, the middle frame rib 121 and the lower tray rib 113 are provided to effectively strengthen the battery tray 100. Intensity, and the lower tray 110, the middle frame 120, and the upper tray 130 are all fiber-reinforced composite materials, which can effectively reduce the weight of the battery tray, and at the same time, because the lower tray 110, the middle frame 120, and the upper tray 130 can be integrally formed, The process of the battery tray 100 can be effectively simplified, and the production efficiency of the battery tray 100 can be improved.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as limitations of the present invention, and those skilled in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (10)

1. A battery tray, characterized in that it comprises: a lower tray, a middle frame and an upper tray, the middle frame is arranged between the lower tray and the upper tray, wherein the lower tray, the middle frame and the upper tray are fiber-reinforced composite parts. 2. The battery tray according to claim 1, wherein the lower tray comprises: a bottom wall of the lower tray and a peripheral wall of the lower tray arranged on the outer periphery of the bottom wall of the lower tray and extending upward; The bottom wall of the lower tray is bonded and fixed to the lower side of the middle frame, and the bottom wall of the lower tray is fixed to the outer side of the middle frame. 3. The battery tray according to claim 1, wherein the upper tray comprises: an upper tray bottom wall, an upper tray peripheral wall, and an upper tray flange, and the upper tray peripheral wall is arranged on the bottom wall of the upper tray The outer periphery extends upward, and the upper tray flange is arranged on the upper edge of the upper tray peripheral wall and extends outward; The flange of the upper tray is bonded and fixed to the upper side of the middle frame, and the peripheral wall of the upper tray is bonded and fixed to the inner side of the middle frame. 4 . The battery tray according to claim 1 , wherein an insulating layer is provided between the bottom wall of the lower tray and the bottom wall of the upper tray. 5 . The battery tray according to claim 1 , wherein a thermal insulation member is arranged inside the middle frame. 5 . 6. The battery tray according to claim 1, further comprising: a reinforcing beam, the reinforcing beam is arranged on the upper side of the upper tray and fixed with the upper tray by bonding, the reinforcing beam is Fibre-reinforced composite parts. 7 . The battery tray according to claim 6 , wherein the reinforcing beams comprise: reinforcing beams and reinforcing longitudinal beams, and the reinforcing beams and the reinforcing longitudinal beams are multiple and arranged in a staggered manner. 8 . The battery tray according to claim 1 , wherein a reinforcing rib of the middle frame is arranged inside the middle frame. 9. The battery tray according to claim 1, wherein the cross-section of the middle frame is configured in the shape of "口", "日", "目" or "田". 10 . The battery tray according to claim 1 , wherein a lower tray reinforcing rib is provided on an outer surface or an inner surface of the lower tray. 11 .