Lightweight and height-variable automobile power battery fixing structure

Abstract

The utility model discloses a lightweight and height-variable automobile power battery fixing structure, and belongs to the technical field of automobile battery installation. The device mainly comprises two side mounting racks, two cross beams are fixedly connected to the two sides of the bottoms of the middles of the two side mounting racks respectively, a soaking plate is fixedly connected to the middles of the two cross beams, two telescopic beams are fixedly connected to the two sides of the upper portions of the middles of the two side mounting racks respectively, and the soaking plate is fixedly connected to the middles of the two telescopic beams. The outer side of one side mounting frame is fixedly connected with a circulating device; each side mounting frame comprises a side protection plate, one end of the side protection plate is fixedly connected with a front protection plate, the bottom of the side protection plate is fixedly connected with a bottom protection plate, the bottom protection plate is perpendicular to the side protection plate, one side of the side protection plate and one side of the front protection plate are fixedly connected with an inner protection plate, and the lower end of the side protection plate is provided with a plurality of wire harness fixing holes and heat dissipation holes. The battery packs with different heights are fixed through the telescopic beams, and the soaking plates are arranged around the battery packs to assist in heat dissipation of the batteries, so that the safety of the batteries is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile battery installation, specifically, especially relates to a light weight and variable height's automobile power battery fixed structure. BACKGROUND

[0002] Under the development trend of automobile electrification, power battery is the core component of new energy vehicle, but there are problems such as easy heating and large proportion of vehicle quality.Besides, battery technology develops rapidly, and battery structure is continuously innovated.At present, the whole aluminum battery package shell frame is high in cost and large in deformation, and the whole steel structure is difficult to meet the demand of light weight, and a kind of battery fixed structure can only adapt to one kind of battery pack.Therefore, developing a light weight and variable height's automobile power battery fixed structure which can assist battery heat dissipation and adapt to different battery packs has important significance for reducing vehicle quality, improving endurance mileage and adapting to different vehicles.

[0003] In view of the above technical problems, the application provides a solution. UTILITY MODEL CONTENTS

[0004] The utility model wants to solve the technical problem: overcome the insufficient of prior art, provide a light weight and variable height's automobile power battery fixed structure, its through telescopic beam to the battery pack of different height is fixed, and is provided around the battery pack hot plate, assists battery heat dissipation, improves battery safety.

[0005] A light weight and variable height's automobile power battery fixed structure, including two groups of side mounting frames, two groups of side mounting frames middle bottom both sides are fixedly connected with a crossbeam, two crossbeams middle fixedly connected with hot plate, two groups of telescopic beams are fixedly connected with hot plate in the middle of two groups of side mounting frames upper part both sides, one of side mounting frames outside fixedly connected with circulating device;

[0006] The side mounting frame includes a side guard plate, the side guard plate is fixedly connected with a front guard plate at one end, the side guard plate is perpendicular to the front guard plate, the bottom of the side guard plate is fixedly connected with a bottom guard plate, the bottom guard plate is perpendicular to the side guard plate, the side guard plate is fixedly connected with an inner guard plate on one side of the front guard plate, the inner guard plate is horizontally arranged as an L-shaped, the inner guard plate is provided with a vehicle frame mounting hole penetrating through the front guard plate at one end close to the front guard plate, the inner guard plate is fixedly connected with two limit plates on one side close to the crossbeam, a plurality of fixing holes perpendicular to the bottom guard plate are formed in the limit plate, a bolt is fixedly connected in the fixing hole, a first weight reduction hole is formed in the upper end of the side guard plate, a plurality of wire harness fixing holes and heat dissipation holes are formed in the lower end of the side guard plate, two second weight reduction holes are formed in the bottom of the front guard plate, and the bottom guard plate is provided with a gasket and a bushing fixedly connected with the crossbeam on both sides.

[0007] Preferably, the uniform heat plate includes a shell, the shell is open at both ends, a plurality of vertical plates are arranged inside the shell, a circulating pipe is fixedly connected in the middle of the plurality of vertical plates, the circulating pipe is arranged in an "S" shape inside the vertical plate, a pipe is sealingly connected to one end of the circulating pipe of the two uniform heat plates, the two circulating pipes are communicated with each other through the pipe, the pipe is sealingly connected to an external water tank, and the other end of the circulating pipe penetrates through the side guard plate and is sealingly connected to a circulating device.

[0008] Preferably, the circulating device includes a circulating pump body sealingly connected to the circulating pipe, and one end of the circulating pump body is provided with an external circulation port sealingly connected to the external water tank.

[0009] Preferably, the vertical plate is in the same direction as the length direction of the cross beam, and the shell is not in contact with the side mounting frame at both open ends.

[0010] Preferably, the vertical plate and the shell are made of aluminum material.

[0011] Preferably, the telescopic beam includes a bottom cross beam, the bottom cross beam is provided with a battery mounting hole for fixing a battery pack, the bottom cross beam is fixedly connected with a side beam at both ends, the side beam is slidingly connected with a limiting plate, the side beam is provided with a plurality of mounting holes, and the mounting holes are fixedly connected with bolts.

[0012] Preferably, the side guard plate, the front guard plate and the bottom guard plate in the side mounting frame are formed by an integral bending process, and the first weight reduction hole and the second weight reduction hole are stamping holes.

[0013] Preferably, the cross beam is provided with an opening hole for fixing a battery pack.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The side mounting frame of the utility model is formed by an integral bending process, the first weight reduction hole and the second weight reduction hole are arranged in a low stress area of the structure, the weight is reduced, the utility model can fix a single battery pack or a double battery pack, the universality and flexibility of the battery fixation are greatly improved, the height of the battery pack can be adjusted according to actual needs, the space arrangement of the battery pack is convenient, the utility model is provided with a uniform heat plate at the position in contact with the battery, the heat generated during the operation of the battery is transmitted to the uniform heat plate, and then the heat is taken away by the circulating pipe in the uniform heat plate, so that the heat generation of the battery is reduced and the overall safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the cooperation of the side mounting frame and the circulating device in the utility model;

[0018] Figure 3 Another perspective structure schematic view of the utility model;

[0019] Figure 4 The specific structure schematic view of two telescopic beams;

[0020] Figure 5 The section view of the internal structure of the heat plate;

[0021] Figure 6 The external structure schematic view of the heat plate.

[0022] In the figure, 1, side mounting frame; 101, side guard plate; 102, first weight reduction hole; 103, front guard plate; 104, frame mounting hole; 105, inner guard plate; 106, second weight reduction hole; 107, bottom guard plate; 108, pad plate; 109, bushing; 110, heat dissipation hole; 111, wire harness fixing hole; 112, fixing hole; 113, bolt; 114, limiting plate; 2, circulating device; 201, outer circulating port; 202, circulating pump main body; 3, cross beam; 4, heat plate; 401, vertical plate; 402, circulating pipe; 403, shell; 5, pipe; 6, telescopic beam; 601, bottom cross beam; 602, side beam; 603, mounting hole; 604, battery mounting hole. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings:

[0024] The orientation terms involved in the paragraphs of detailed description are only for the convenience of the person skilled in the art to understand the technical solutions described in the application according to the visual orientation shown in the drawings. Except for explicit provisions and limitations, the terms "set", "install", "connect" and the like should be understood broadly, and for the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] As Figures 1 to 6 shown, a light-weight and variable-height automobile power battery fixing structure can fix battery packs of different heights and assist in heat dissipation of the battery packs, comprising two groups of side mounting frames 1, one root of cross beam 3 is fixedly connected to each of the two sides of the bottom of the two groups of side mounting frames 1, the heat plate 4 is fixedly connected to the middle of the two roots of cross beam 3, one root of telescopic beam 6 is fixedly connected to each of the two sides of the upper middle of the two groups of side mounting frames 1, the heat plate 4 is fixedly connected to the middle of the two groups of telescopic beams 6, and the circulating device 2 is fixedly connected to the outside of one side mounting frame 1;

[0026] As Figure 2 and Figure 3As shown, the side mounting frame 1 includes a side guard plate 101, one end of which is fixedly connected with a front guard plate 103, the side guard plate 101 is perpendicular to the front guard plate 103, the bottom of the side guard plate 101 is fixedly connected with a bottom guard plate 107, the bottom guard plate 107 is perpendicular to the side guard plate 101, one side of the side guard plate 101 and the front guard plate 103 is fixedly connected with an inner guard plate 105, the inner guard plate 105 is connected with the side guard plate 101 and the front guard plate 103 through welding, so as to increase the structural strength of this area. The inner guard plate 105 is horizontally arranged in an "L" shape, one end of the inner guard plate 105 close to the front guard plate 103 is provided with a frame mounting hole 104 penetrating through the front guard plate 103, one side of the inner guard plate 105 close to the cross beam 3 is fixedly connected with two limiting plates 114, a plurality of fixing holes 112 perpendicular to the bottom guard plate 107 are formed in the limiting plates 114, bolts 113 are fixedly connected in the fixing holes 112, a first lightening hole 102 is formed in the upper end of the side guard plate 101, a plurality of wire harness fixing holes 111 and heat dissipation holes 110 are formed in the lower end of the side guard plate 101, the wire harness fixing holes 111 can constrain the wire harness connected with the battery pack, keep the appearance beautiful, and can transfer heat in the wire harness to the side guard plate 101 for heat dissipation. Two second lightening holes 106 are formed in the bottom of the front guard plate 103, gaskets 108 and bushings 109 fixedly connected with the cross beam 3 are arranged on both sides of the bottom guard plate 107, the bushings 109 can improve the vertical rigidity of the lower cross beam and prevent deformation around the bolt holes of the cross beam when the bolts are tightened.

[0027] The heat plate 4 includes an outer shell 403, the outer shell 403 is provided with holes at both ends to facilitate air circulation, a plurality of vertical plates 401 are arranged in the inner part of the outer shell 403, a circulating pipe 402 is fixedly connected in the middle of the plurality of vertical plates 401, the circulating pipe 402 is arranged in an "S" shape in the inner part of the vertical plate 401, so as to increase the contact area as much as possible and help heat dissipation. A pipe 5 is sealingly connected to one end of the circulating pipe 402 of two heat plates 4, the pipe 5 connects the two circulating pipes 402 with each other, the pipe 5 is sealingly connected with an external water tank, and the other end of the circulating pipe 402 is sealingly connected with a circulating device 2. The circulating device 2 includes a circulating pump main body 202 sealingly connected with the circulating pipe 402, one end of the circulating pump main body 202 is provided with an outer circulation port 201 sealingly connected with the external water tank. The advantage of this design is that the circulating pipes 402 in the two heat plates 4 are circulated by the circulating pump main body 202 at the same time, so as to drive heat, and the external water tank can not only be filled with water, but also can be filled with other heat-conducting media, such as cooling liquid, mineral oil and other heat-conducting materials, to help heat dissipation.

[0028] The vertical plate 401 is in the same direction as the length direction of the cross beam 3, and the openings at both ends of the shell 403 are not in contact with the side mounting frame 1. The advantage of this is that air can enter the inside of the vapor chamber 4 from the openings on both sides of the shell 403, assisting the vapor chamber 4 in dissipating heat. The vertical plate 401 and the shell 403 are made of aluminum material, mainly considering that the thermal conductivity of aluminum material is relatively high, and the price is relatively lower than that of copper. The telescopic beam 6 includes a bottom cross beam 601, and the bottom cross beam 601 is provided with a battery mounting hole 604 for fixing the battery. The battery is fixed to prevent the battery from moving during vehicle driving. The bottom cross beam 601 is fixedly connected with side beams 602 at both ends, and the side beams 602 are slidably connected with the limiting plates 114. The up and down sliding can adapt to batteries of different heights, and provide convenience for replacing the batteries later. The side beams 602 are provided with a plurality of mounting holes 603, and the mounting holes 603 are fixedly connected with the bolts 113. The battery pack is fixed according to the height of the battery pack. The side guard plates 101, the front guard plates 103 and the bottom guard plates 107 in the side mounting frame 1 are formed by an integral bending process, which reduces the number of parts and effectively avoids stress concentration caused by welding, and the structure is more stable as a whole. The first weight reduction hole 102 and the second weight reduction hole 106 are stamping holes. The holes are opened in a low stress area of the structure, which can reduce the overall weight and reduce energy consumption. The cross beam 3 is provided with an opening for fixing the battery pack.

[0029] The skilled person in the art can limit the specified positions of the execution components in the following movement process by means of the prior art known to them, such as installing corresponding mechanical limit switches or photoelectric sensors; in order to realize automatic operation, the utility model can adopt numerical control technology or PLC to control the movement of the execution components.

[0030] The installation steps are as follows: first, the utility model is installed through the frame mounting hole 104 and fixed to the frame, second, the battery pack is placed on the cross beam 3, so that the lower bottom surface of the battery is tightly attached to the vapor chamber 4 in the middle of the cross beam 3, third, another set of battery pack is installed above the telescopic beam 6, after installation, the telescopic beam 6 is moved downward, so that the vapor chamber 4 in the middle of the telescopic beam 6 is tightly attached to the upper surface and the lower bottom surface of the two battery packs respectively, then the telescopic beam is fixedly connected with the side mounting frame 1 through the bolts 113, and finally the pipe 5 and the outer circulation port are sealingly connected with the interface on the external water tank. When the battery is working, the circulating pump main body 202 is started to take away the heat of the battery, thereby cooling the battery.

[0031] Finally, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity. The skilled person should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that can be understood by the skilled person.

Claims

1. A lightweight and variable height automobile power battery fixing structure comprising two groups of side mounting racks (1), characterized in that: Two groups of the side mounting frame (1) middle bottom two sides are fixedly connected with a cross beam (3), two cross beams (3) are fixedly connected with a uniform heating plate (4) in the middle, two groups of the side mounting frame (1) middle upper two sides are fixedly connected with a telescopic beam (6), two groups of the telescopic beam (6) are fixedly connected with a uniform heating plate (4) in the middle, one of the side mounting frame (1) outside is fixedly connected with a circulating device (2); The side mounting frame (1) includes a side guard plate (101), one end of the side guard plate (101) is fixedly connected with a front guard plate (103), the side guard plate (101) is perpendicular to the front guard plate (103), the bottom of the side guard plate (101) is fixedly connected with a bottom guard plate (107), the bottom guard plate (107) is perpendicular to the side guard plate (101), one side of the side guard plate (101) and the front guard plate (103) is fixedly connected with an inner guard plate (105), the inner guard plate (105) is horizontally arranged "L" type, one end of the inner guard plate (105) close to the front guard plate (103) is provided with a frame mounting hole (104) penetrating through the front guard plate (103), one side of the inner guard plate (105) close to the cross beam (3) is fixedly connected with two limiting plates (114), a plurality of fixing holes (112) perpendicular to the bottom guard plate (107) are formed in the limiting plate (114), a bolt (113) is fixedly connected in the fixing hole (112), a first weight-reducing hole (102) is formed in the upper end of the side guard plate (101), a plurality of wire harness fixing holes (111) and heat dissipation holes (110) are formed in the lower end of the side guard plate (101), two second weight-reducing holes (106) are formed in the bottom of the front guard plate (103), the bottom guard plate (107) is provided with a gasket (108) and a bushing (109) fixedly connected with the cross beam (3) on both sides.

2. The light-weight and variable-height automobile power battery fixing structure according to claim 1, characterized in that: The uniform heating plate (4) includes an outer shell (403), the outer shell (403) is provided with a plurality of vertical plates (401) inside, a plurality of the vertical plates (401) are fixedly connected with a circulating pipe (402) in the middle, the circulating pipe (402) is arranged in "S" shape inside the vertical plate (401), a pipe (5) is sealingly connected with the circulating pipe (402) at one end of the two uniform heating plates (4), the pipe (5) is connected with an external water tank, and the other end of the circulating pipe (402) is sealingly connected with the circulating device (2) through the side guard plate (101).

3. The light-weight and variable-height automobile power battery fixing structure according to claim 2, characterized in that: The circulating device (2) includes a circulating pump body (202) sealingly connected with the circulating pipe (402), and the circulating pump body (202) is provided with an external circulating port (201) sealingly connected with an external water tank at one end.

4. The light-weight and variable-height automobile power battery fixing structure according to claim 2, characterized in that: The direction of the vertical plate (401) is consistent with the length direction of the cross beam (3), and the two ends of the opening of the outer shell (403) are not in contact with the side mounting frame (1).

5. The light-weight and variable-height automobile power battery fixing structure according to claim 2, characterized in that: The vertical plate (401) and the outer shell (403) are made of aluminum material.

6. The light-weight and variable-height automobile power battery fixing structure according to claim 1, characterized in that: The telescopic beam (6) comprises a bottom cross beam (601), the bottom cross beam (601) is provided with a battery mounting hole (604) for fixing a battery pack, and the bottom cross beam (601) is fixedly connected with side beams (602) at both ends, the side beams (602) are slidably connected with limiting plates (114), a plurality of mounting holes (603) are arranged on the side beams (602), and the mounting holes (603) are fixedly connected with bolts (113).

7. The light-weight and variable-height automobile power battery fixing structure according to claim 1, characterized in that: The side guard plates (101), the front guard plates (103) and the bottom guard plates (107) in the side mounting racks (1) are formed by adopting an integral bending process, and the first weight reduction holes (102) and the second weight reduction holes (106) are stamping holes.

8. The light-weight and variable-height automobile power battery fixing structure according to claim 1, characterized in that: The cross beam (3) is provided with an opening hole for fixing a battery pack.

Images