Heat dissipation type large cylindrical lithium battery tray compatible with various diameters

Abstract

A heat-dissipation-type large cylindrical lithium battery tray compatible with various diameters, comprising a tray body (1), wherein the tray body (1) is a rectangle with an open upper part, and comprises rims (11) and a bottom plate (12); a partition plate is connected between opposite rims (11), a longitudinal partition plate and a transverse partition plate divide an inner cavity of the tray body (1) into a plurality of small rectangular areas, and probe holes (123) are formed in the bottom plate (12); a bushing (2) is detachably mounted in each small rectangular area, the bushing (2) is adapted to the small rectangular area, parallel first ribs (21) are evenly distributed between the opposite rims (11) of four rims (11) of each bushing (2), longitudinal first ribs (21) and transverse first ribs (21) jointly divide an upper surface of the bushing (2) into a first grid, a baffle (23) extends vertically downward from each edge of each lattice in the first grid, and the baffles (23) around each lattice enclose a battery placing slot (22); each battery placing slot (22) is aligned with one probe hole (123); and heat dissipation holes (122) are provided around the probe hole (123), and at least part of the area of the heat dissipation hole (122) is distributed outside an area of the bottom plate (12) covered by the bottom of a battery. The tray has the beneficial effects of high compatibility and good heat dissipation.

Description

A heat-dissipating large cylindrical lithium battery tray compatible with various diameters Technical Field

[0001] The invention relates to a heat-dissipating large cylindrical lithium battery tray compatible with various diameters, belonging to the field of battery transportation. Background Art

[0002] Lithium batteries are now increasingly widely used. Compared to traditional batteries, they offer advantages such as large capacity, high operating voltage, fast charging speed, wide operating temperature range, long cycle life, and small size and light weight. Common types of lithium batteries include cylindrical, soft-pack, and prismatic. Currently, cylindrical batteries are widely used as power batteries and energy storage batteries, and they come in a wide variety of types. After manufacturing, cylindrical lithium batteries require a capacity splitting process to activate the battery and stabilize performance indicators such as internal resistance, output voltage, current, and power. The capacity splitting process requires repeated charging and discharging of the battery, which generates a large amount of heat, causing the battery to heat up. High temperatures can cause fluctuations in the battery's internal resistance, which in turn affects the battery's performance. Lithium battery trays are important basic loading components in cylindrical lithium battery charging and discharging equipment and are also crucial processes in automated logistics, transportation, and storage. Therefore, the battery's ambient temperature must be controlled during the capacity splitting process.

[0003] During the process of disintegration and capacity formation, cylindrical batteries are generally placed in battery trays and arranged in a dense matrix to facilitate charging and discharging operations. Cylindrical batteries are also generally arranged in battery trays in automated logistics transportation and storage. Common battery trays on the market are square in shape, including a frame and a base plate. The top is open and divided into several small square areas by partitions. Parallel ribs are evenly distributed between the partitions and the opposite frames. The crisscrossing ribs divide the surface of the small squares into a grid. Each side of the grid has a baffle extending vertically downward, enclosing a battery placement slot. The bottom of the battery tray has a probe hole for introducing electrodes to the battery during the charging and discharging process. Each battery placement slot is aligned with a probe hole on the base plate. For batteries of different diameters, the diameter of the battery placement slot needs to be adjusted. However, this lithium battery tray can only correspond to one specification of lithium batteries and cannot be universal. If lithium batteries of different specifications need to be placed, lithium battery trays of different specifications need to be selected, that is, special battery trays need to be prepared for cylindrical batteries of each diameter. Since there are many specifications of cylindrical battery diameters, a large number of battery trays need to be manufactured as spares, which increases economic costs, wastes resources and increases production costs. Moreover, during the charging and discharging process of the lithium battery, the structure of the lithium battery tray is not conducive to the heat dissipation of the battery, which affects the consistency of the battery, including capacity and voltage, and affects the battery safety, thereby easily affecting the service life of the lithium battery.

[0004] Summary of the Invention

[0005] In order to solve the above problems, the present invention proposes a large cylindrical lithium battery tray with good heat dissipation and compatibility with batteries of various diameters.

[0006] The present invention adopts the following technical solutions:

[0007] A heat-dissipating large cylindrical lithium battery tray compatible with various diameters includes a tray body, which is a rectangular body with an open top, including a frame and a bottom plate. Partitions are connected between the opposing frames. The longitudinal and transverse partitions divide the inner cavity of the tray body into several small rectangular areas. The bottom plate has a probe hole for introducing electrodes into the battery during charging and discharging.

[0008] A bushing is removably mounted within each small rectangular area, and the bushing is rectangular in shape and conforms to the small rectangular area. First ribs parallel to each other are evenly distributed between opposing frames of the four sides of the bushing. The longitudinal first ribs and the transverse first ribs together divide the upper surface of the bushing into a first grid. Baffles extend vertically downward on the edges of the grids within the first grid. The baffles surrounding the grids form battery placement slots. Each battery placement slot is aligned with a probe hole on the bottom plate.

[0009] Heat dissipation holes are opened around the probe hole of the bottom plate. Both the probe hole and the heat dissipation holes are through holes, and at least part of the area of ​​the heat dissipation holes is distributed outside the area of ​​the bottom plate covered by the bottom of the battery.

[0010] Furthermore, a bushing can be detachably installed in each small rectangular area, which is achieved in the following manner: a first screw hole is set on the base plate, a second screw hole is set at the intersection of the first rib on the grid of the bushing, and the first screw hole is aligned with the second screw hole, and a bolt is set through the first screw hole and the second screw hole to fasten the bushing to the base plate.

[0011] Furthermore, the bottom plate is divided by the second ribs into a second grid composed of a plurality of grid units centered on the probe hole, and the grids outside the probe hole form heat dissipation holes.

[0012] Furthermore, a boss is provided on each side of the battery placement slot, and the inscribed circles of the inner edges of the four bosses are matched with the outer circumference of the battery.

[0013] Furthermore, a slot is provided at the tail of the boss, and the boss is mounted on the baffle through the slot.

[0014] During the battery capacity test, the cylindrical battery is placed into the battery compartment of the sleeve through the grid on the upper surface of the sleeve. The baffles on the four sides of the grid surround the battery and position it in place, with the bottom of the battery pressed against the base plate. The grid-like heat dissipation holes on the base plate connect to the inner cavity of the battery compartment, forming a continuous ventilation channel that helps to dissipate the heat generated by the battery during charging and discharging.

[0015] It is particularly advantageous that when a boss is provided on the side wall of the battery placement groove, that is, the baffle, there is a gap between the cylindrical battery and the baffle. This gap expands the area of ​​the ventilation channel, which is conducive to discharging heat and maintaining the temperature of the cylindrical battery stable.

[0016] When cylindrical batteries of different diameters need to be processed, only the bushing needs to be replaced. This makes the tray body suitable for the chemical composition and capacity processing of cylindrical batteries of different diameters, greatly reducing the number of tray bodies required and saving costs.

[0017] More advantageously, the boss and the baffle can be configured as a detachable connection structure, so that the battery tray can be adapted to various cylindrical batteries of different diameters simply by replacing the boss, thereby further saving costs.

[0018] The beneficial effects of the present invention are:

[0019] 1. Strong compatibility. When testing cylindrical batteries of different diameters, you only need to replace the tray lining or even just the boss to be compatible with cylindrical lithium batteries with diameters ranging from 32mm to 46mm, effectively saving costs.

[0020] 2. Good heat dissipation performance; the hollow structure of the tray bottom plate and the tray outer frame is conducive to heat dissipation. The heat dissipation holes outside the bottom area covered by the battery bottom are connected with the battery placement slot to form a connected heat dissipation channel, which has good heat dissipation performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG1 is a structural diagram of the present invention, wherein a bushing is installed on a tray body.

[0022] FIG2 is a structural diagram of the tray body of the present invention.

[0023] FIG3 is a partial enlarged view of FIG2 .

[0024] FIG. 4 is a front view of the tray body of the present invention.

[0025] FIG5 is a partial enlarged view of FIG4 , showing the grid structure of the bottom plate.

[0026] FIG6 is a structural diagram of a bushing without a boss according to the present invention.

[0027] FIG. 7 is a partial enlarged view of FIG. 6 , showing that the baffle on the bushing is not provided with a boss.

[0028] FIG8 is a front view of the bushing of the present invention.

[0029] FIG9 is a schematic diagram of a bushing according to the present invention, wherein a boss is provided on the baffle.

[0030] FIG10 shows the detachable plug-in relationship between the baffle and the boss of the bushing.

[0031] FIG. 11 is a front view of the bushing of the present invention.

[0032] FIG12 is a structural diagram of the boss of the present invention. DETAILED DESCRIPTION

[0033] The following describes the specific implementation of the embodiment of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the embodiment of the present invention and is not used to limit the embodiment of the present invention.

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0037] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0038] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0039] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0040] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with exemplary embodiments.

[0041] Example 1

[0042] The heat dissipation battery tray of the present invention, which is compatible with batteries of various diameters, includes a tray body 1. The tray body 1 is a rectangular body with an open top, including a frame 11 and a bottom plate 12. Partitions 13 are connected between the opposing frames 11. The longitudinal and transverse partitions divide the inner cavity of the tray body 1 into multiple small rectangular areas. The bottom plate 12 is provided with a probe hole 123 for introducing electrodes into the battery during charging and discharging.

[0043] A bushing 2 is detachably mounted in each small rectangular area. The bushing 2 is rectangular and matches the small rectangular area. First parallel ribs 21 are evenly distributed between the four opposing frames of the bushing 2. The longitudinal first ribs 21 and the transverse first ribs 21 together divide the upper surface of the bushing 2 into a first grid. Baffles 23 extend vertically downward on the edges of the grids in the first grid. The baffles around the grids form battery placement slots 22 for placing lithium batteries. The hollowed-out area can be set according to the diameter of the lithium batteries to achieve compatibility with lithium batteries of different diameters. Each battery placement slot 22 is aligned with a probe hole 123 on the bottom plate 12.

[0044] Heat dissipation holes 122 are formed around the probe hole 123 of the bottom plate 12 . Both the probe hole 123 and the heat dissipation holes 122 are through holes, and at least part of the heat dissipation holes 122 is distributed outside the area of ​​the bottom plate 12 covered by the bottom of the battery.

[0045] A bushing 2 is detachably installed in each small rectangular area, which is achieved as follows: a first screw hole 121 is set on the base plate 12, a second screw hole 24 is set at the intersection of the first rib 21 on the grid of the bushing 2, and the first screw hole 121 is aligned with the second screw hole 24, and a bolt is set through the first screw hole 121 and the second screw hole 24 to fasten the bushing to the base plate 12.

[0046] The bottom plate 12 is divided by the second ribs 124 into a second grid composed of a plurality of grid units centered on the probe hole 123 . The grids outside the probe hole 123 form heat dissipation holes 122 .

[0047] As shown in Figure 1 , each probe hole 123 on the bottom plate 12 is a channel. The probe holes on the bottom plate are arranged in a matrix, resulting in a total of 256 channels in the tray body 1. Because the inner cavity of the tray body 1 is divided into four small rectangular areas by longitudinal and transverse partitions, each small rectangular area has 64 channels.

[0048] When testing the battery's chemical composition and capacity, the cylindrical battery is placed into the battery receiving slot 22 of the liner 2 through the grid on the upper surface of the liner 2. The baffles 23 on the four sides of the grid surround the battery, keeping it in place, with the bottom of the battery pressed against the bottom plate 12. The grid-like heat dissipation holes 122 on the bottom plate 12 communicate with the inner cavity of the battery receiving slot 22, forming a continuous ventilation channel that facilitates the dissipation of heat generated by the battery during charging and discharging.

[0049] When cylindrical batteries of different diameters need to be processed, only the bushing 2 needs to be replaced. This makes the tray body 1 suitable for the chemical composition and capacity processing of cylindrical batteries of different diameters, greatly reducing the number of tray bodies required and saving costs.

[0050] Example 2

[0051] As shown in Figure 9, the battery receiving groove of the bushing is provided with bosses. The basic structure of this embodiment is the same as that of Example 1, except that a boss 25 is provided on each side of the battery receiving groove 22, and the inscribed circle of the inner edge of each of the four bosses 25 is adapted to the outer circumference of the cylindrical battery.

[0052] When the side wall of the battery placement groove 22, that is, the baffle 23, is provided with a boss 25, there is a gap between the cylindrical battery and the baffle 23. This gap expands the area of ​​the ventilation channel, which is conducive to discharging heat and maintaining the temperature of the cylindrical battery stable.

[0053] Example 3

[0054] As shown in Figures 10-12, the drawings show the insertion of the boss on the battery placement groove of the bushing. The basic structure of this embodiment is the same as that of Example 1, except that a slot 251 is opened at the tail of the boss 25, and the boss 25 is installed on the baffle 23 through the slot 251.

[0055] In this embodiment, the boss 25 and baffle 23 are configured as a detachable connection structure. Simply replacing the boss 25 allows the battery tray to accommodate cylindrical batteries of varying diameters, further reducing costs. Of course, the boss 25 and baffle 23 can be installed in more than just a plug-in manner; this embodiment only illustrates the plug-in connection between the boss 25 and baffle 23.

[0056] For better heat dissipation, a plurality of rectangular ventilation holes 111 may be spaced apart on the frame 11 of the tray body 1. Specifically, six ventilation holes 111 are spaced apart on each frame edge, so that a total of twenty-four ventilation holes 111 are provided on the tray body 1. This allows the heat generated by the cylindrical batteries during the dissolution process to be quickly discharged, thereby achieving a good heat dissipation effect.

[0057] In order to reduce the weight of the bushing, a plurality of grooves 231 can be provided at equal intervals on the baffle 23 to reduce material costs. The height of the baffle 23 can be varied according to the height of the lithium battery.

[0058] In order to improve the strength of the pallet body 1, the partitions can be replaced with reinforcing ribs. The crisscross reinforcing ribs are connected between the frames 11 of the pallet body 1, which effectively improves the strength of the pallet body.

[0059] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A heat dissipation type large cylindrical lithium battery tray compatible with various diameters, comprising a tray body, the tray body is a rectangular body with an open top, including a frame and a bottom plate, partitions are connected between the opposite frames, the longitudinal partitions and the transverse partitions divide the inner cavity of the tray body into a plurality of small rectangular areas, and the bottom plate is provided with a probe hole for introducing electrodes into the battery during the charging and discharging process of the battery; characterized in that: A bushing is detachably mounted in each small rectangular area, and the bushing is in a rectangular shape matching the small rectangular area. First ribs parallel to each other are evenly distributed between the four frames of the bushing, and the longitudinal first ribs and the transverse first ribs jointly divide the upper surface of the bushing into a first grid. The edges of the grids in the first grid are provided with baffles extending vertically downward, and the baffles around the grids enclose a battery placement slot; each battery placement slot is aligned with a probe hole on the bottom plate; Heat dissipation holes are opened around the probe hole of the bottom plate. Both the probe hole and the heat dissipation holes are through holes, and at least part of the heat dissipation holes are distributed outside the area of ​​the bottom plate covered by the bottom of the battery.

2. A heat dissipation type large cylindrical lithium battery tray compatible with various diameters as claimed in claim 1, characterized in that: A bushing is detachably installed in each small rectangular area, which is achieved in the following manner: a first screw hole is set on the base plate, a second screw hole is set at the intersection of the first rib on the grid of the bushing, and the first screw hole is aligned with the second screw hole, and a bolt is set through the first screw hole and the second screw hole to fasten the bushing to the base plate.

3. A heat dissipation type large cylindrical lithium battery tray compatible with various diameters as claimed in claim 2, characterized in that: The bottom plate is divided by the second ribs into a second grid composed of a plurality of grid units centered on the probe hole, and the grids outside the probe hole form heat dissipation holes.

4. A heat dissipation type large cylindrical lithium battery tray compatible with various diameters as claimed in claim 3, characterized in that: A boss is arranged on each side of the battery placement groove, and the inscribed circles of the inner edges of the four bosses are matched with the outer circumference of the cylindrical battery.

5. A heat dissipation type large cylindrical lithium battery tray compatible with various diameters as claimed in claim 4, characterized in that: A slot is provided at the tail of the boss, and the boss is installed on the baffle through the slot.

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