阅读说明：本技术 一种具有保温效果的圆柱电池托盘结构及其保温方法 (Cylindrical battery tray structure with heat preservation effect and heat preservation method thereof ) 是由 廖翼兵 吴和玮 罗锐 于 2019-10-14 设计创作，主要内容包括：一种具有保温效果的圆柱电池托盘结构及其保温方法,它涉及圆柱电池干燥升温及保温技术领域。它包括：在同一平面平行且间隔设置的多块托盘载板；与多块托盘载板均装配以形成多个独立单元格的托盘侧板；设置于独立单元格内以充当独立单元格底板的、用于承载圆柱电池并在加热时与真空烘箱加热板接触的多块托盘底板；以及,盖设于独立单元格开口处的托盘盖板；在放置圆柱电池后,托盘盖板与托盘载板、托盘侧板和托盘底板组合形成一闭合空间、以保证放置在独立单元格内的圆柱电池受热均匀并减少热量损失。采用上述技术方案的圆柱电池托盘结构,具有圆柱电池摆放密度高、升温速度快、保温效果好、圆柱电池受热均匀、圆柱电池加热效率高的优势。(A cylindrical battery tray structure with a heat preservation effect and a heat preservation method thereof relate to the technical field of drying, temperature rise and heat preservation of cylindrical batteries. It includes: a plurality of tray support plates which are arranged in parallel on the same plane at intervals; the tray side plates are assembled with the plurality of tray support plates to form a plurality of independent unit cells; a plurality of tray bottom plates which are arranged in the independent cells to serve as the bottom plates of the independent cells, are used for bearing the cylindrical batteries and are contacted with the heating plate of the vacuum oven when heating; the tray cover plate is covered at the opening of the independent cell; after the cylindrical batteries are placed, the tray cover plate, the tray support plate, the tray side plates and the tray bottom plate are combined to form a closed space so as to ensure that the cylindrical batteries placed in the independent unit lattices are heated uniformly and reduce heat loss. Adopt above-mentioned technical scheme's cylinder battery tray structure, have that the cylinder battery is put density height, the programming rate is fast, the effectual, the cylinder battery of heat preservation is heated evenly, the high advantage of cylinder battery heating efficiency.)

1. The utility model provides a cylinder battery tray structure with heat preservation effect which characterized in that includes:

a plurality of tray carrier plates (1) which are arranged in parallel and at intervals on the same plane;

a tray side plate (2) which is assembled with a plurality of tray carrier plates (1) to form a plurality of independent cells (5);

a plurality of tray floors (3) disposed within the individual cells (5) to act as floors for the individual cells (5) for carrying cylindrical batteries and contacting the vacuum oven heating plate when heated; and the number of the first and second groups,

the tray cover plate (4) is covered at the opening of the independent cell (5);

after the cylindrical batteries are placed, the tray cover plate (4), the tray support plate (1), the tray side plates (2) and the tray bottom plate (3) are combined to form a closed space so as to ensure that the cylindrical batteries placed in the independent unit cells (5) are heated uniformly and reduce heat loss.

2. The cylindrical battery tray structure with the heat preservation effect according to claim 1, wherein when the two electrode ends of the cylindrical battery are provided with the joint protrusions, the tray bottom plate (3) is of a small metal flat plate structure, and the tray bottom plate (3) is provided with a plurality of positioning small holes (6) for inserting the joint protrusions at the bottom of the cylindrical battery, the positioning small holes (6) can also be used for positioning the placing positions of the cylindrical battery with the joint protrusions at the two electrode ends, and the positioning small holes (6) are arranged in a rectangular array mode, and the density of the positioning small holes increases with the increase of the diameter of the cylindrical battery; when only the top electrode of the cylindrical battery is provided with a joint protrusion, the bearing surface of the tray bottom plate (3) is a plane.

3. The cylindrical battery tray structure with the heat preservation effect as claimed in claim 2, wherein a plurality of placing holes (7) are formed in the tray cover plate (4), the plurality of placing holes (7) are used for placing cylindrical batteries in the independent unit cells (5), the plurality of placing holes (7) are arranged in one-to-one correspondence with the plurality of positioning small holes (6), and the arrangement density of the plurality of placing holes (7) is increased along with the increase of the diameter of the cylindrical batteries.

4. The cylindrical battery tray structure with heat preservation effect according to claim 3, characterized in that a plug structure (8) is arranged between the tray carrier plate (1) and the tray side plate (2), and the plug structure (8) is used for realizing the preliminary assembly of the tray carrier plate (1) and the tray side plate (2) and carrying out the final assembly through a fastening screw after the preliminary assembly.

5. The cylindrical battery tray structure with heat preservation effect of claim 4, characterized in that, the plug structure (8) comprises:

the plug-in connectors (81) are arranged at two ends of one side, far away from the tray bottom plate (3), of the tray carrier plates (1), and the plug-in connectors (81) are arranged on the plurality of tray carrier plates (1); and the number of the first and second groups,

the insertion grooves (82) are arranged on one side, far away from the tray bottom plate (3), of the tray side plate (2) and used for being assembled with the insertion connectors (81) to achieve initial installation, and the number of the insertion grooves (82) is matched with that of the insertion connectors (81).

6. The cylindrical battery tray structure with the heat preservation effect as claimed in claim 5, wherein a plurality of tray carrier plates (1) are provided with a carrying strip (9) at a side away from the plug connector (81), the tray bottom plate (3) is carried between adjacent carrying strips (9), and when the cylindrical battery tray structure is wholly suspended, the tray bottom plate (3) directly falls on the carrying strips (9) by self weight; when the whole cylindrical battery tray structure falls on the heating plate, the bottom of the tray bottom plate (3) is directly contacted with the upper surface of the heating plate and jacked up, so that the tray bottom plate (3) is lifted upwards relative to the carrying strip (9) and is separated from the carrying strip (9).

7. The cylindrical battery tray structure with the heat preservation effect as claimed in claim 6, wherein vertical plates (10) are arranged between adjacent tray side plates (2), the vertical plates (10) are used for separating the independent unit cells (5) and supporting the tray cover plate (4), and weight reduction holes (101) are arranged on the vertical plates (10).

8. The cylindrical battery tray structure with heat preservation effect according to claim 7, wherein the vertical plate (10), the tray bottom plate (3), the tray side plate (2) and the tray carrier plate (1) are all rigid and good thermal conductors, and the tray cover plate (4) is made of high temperature resistant non-metallic material.

9. A method of insulating a cylindrical battery, the method comprising:

the method comprises the following steps: preparing a cylindrical battery tray structure according to any one of claims 1 to 8, while preparing a certain number of cylindrical batteries, which are cylindrical batteries requiring a drying process;

step two: placing the cylindrical battery in the tray structure according to the placing hole (7) on the tray cover plate (4);

step three: the tray structure that will load and have the cylinder battery is placed on the board that generates heat in the vacuum oven, and under cylinder battery action of gravity, it is a plurality of tray bottom plate (3) respectively with the board that generates heat is fully laminated, controls thermal convection intensity through the mode of heat-conduction, heat radiation and adjustment oven in vacuum, simultaneously, because the battery is arranged in the closed space, the heat that gives off when the cylinder battery heats is preserved all the time in the closed space, make cylinder battery thermally equivalent, and rapid heating up to predetermined temperature range, and keep in this temperature range.

Technical Field

The invention relates to the technical field of drying, heating and heat preservation of batteries, in particular to a cylindrical battery tray structure with a heat preservation effect and a heat preservation method thereof.

Background

The baking and drying of the lithium battery (or the super capacitor) is an indispensable key process of the current power battery. In the process of drying the battery, the consistency of the temperature of the battery at different positions is an important factor influencing the drying consistency of the battery, and the pursuit of the temperature rise and the heat preservation consistency of the battery is always a key index in the drying process of the lithium battery.

Most of the existing battery drying methods adopt a vacuum oven for drying. In the cylindrical lithium cell process of heating drying in vacuum oven, for the getting of convenient cylindrical lithium cell is put and is fixed a position, generally all need the bracket to place the lithium cell.

When placing the battery, current bracket adopts the fortune wind mode usually in order to accelerate battery programming rate, but this kind of mode heating efficiency is low, and temperature uniformity is poor, and the energy consumption is high, urgently needs to design a better battery heating structure.

Disclosure of Invention

Aiming at the defects and shortcomings of the prior art, the first purpose of the invention is to provide a cylindrical battery tray structure with a heat preservation effect, when cylindrical batteries are placed in the tray structure, a relatively closed space is formed inside the tray, heat generated by a heating plate in a vacuum oven is transferred to the cylindrical batteries in the closed space through a tray bottom plate, a tray support plate and a tray side plate, so that the cylindrical batteries placed in the closed space can be uniformly heated, the heat loss is reduced, the placing density of the cylindrical batteries is improved, and the cylindrical battery tray structure has the advantages of high temperature rising speed, good heat preservation effect, uniform heating of the cylindrical batteries and high heating efficiency of the cylindrical batteries.

In order to achieve the purpose, the invention adopts the technical scheme that: a cylindrical battery tray structure with heat preservation effect includes: a plurality of tray support plates which are arranged in parallel on the same plane at intervals; the tray side plates are assembled with the plurality of tray carrier plates to form a plurality of independent unit cells; a plurality of tray bottom plates arranged in the independent cells to serve as the independent cell bottom plates, used for bearing the cylindrical batteries and contacted with the heating plate of the vacuum oven when heating; the tray cover plate is covered at the opening of the independent cell; after the cylindrical batteries are placed, the tray cover plate, the tray support plate, the tray side plates and the tray bottom plate are combined to form a closed space so as to ensure that the cylindrical batteries placed in the independent unit cells are heated uniformly and reduce heat loss.

When the two electrode ends of the cylindrical battery are provided with the joint bulges, the tray bottom plate is of a small metal flat plate structure, a plurality of positioning small holes are formed in the tray bottom plate and used for inserting the joint bulges at the bottom of the cylindrical battery, the positioning small holes can also be used for positioning the placing positions of the cylindrical battery with the joint bulges at the two electrode ends, and the positioning small holes are arranged in a rectangular array mode, and the density of the positioning small holes is increased along with the increase of the diameter of the cylindrical battery; when only the top electrode of the cylindrical battery is provided with the joint protrusions, the bearing surface of the tray bottom plate is a plane.

The tray cover plate is provided with a plurality of placing holes, the placing holes are used for placing cylindrical batteries in the independent unit grids, the placing holes and the positioning small holes are arranged in a one-to-one correspondence mode, and the arrangement density of the placing holes is increased along with the increase of the diameter of the cylindrical batteries.

The tray support plate with be provided with grafting structure between the tray curb plate, grafting structure is used for realizing the tray support plate with the preliminary assembly of tray curb plate to carry out final assembly through fastening screw after preliminary assembly.

The grafting structure includes: the plug-in connectors are arranged at two ends of one side, far away from the tray bottom plate, of the tray support plates, and the plug-in connectors are arranged on the plurality of tray support plates; and the slots are arranged on the side, far away from the tray bottom plate, of the tray side plate and used for being assembled with the plug connectors to achieve initial installation, and the number of the slots is matched with that of the plug connectors.

Carrying strips are arranged on one side, far away from the plug connectors, of each tray carrier plate, the tray bottom plates are carried between adjacent carrying strips, and when the cylindrical battery tray structure is integrally suspended, the tray bottom plates directly fall on the carrying strips by means of dead weight; when the whole cylindrical battery tray structure falls on the heating plate, the bottom of the tray bottom plate directly contacts with the upper surface of the heating plate and is jacked up, so that the tray bottom plate is lifted upwards relative to the bearing strip and is separated from the bearing strip.

Vertical plates are arranged between the adjacent tray side plates, are used for separating the independent unit grids and supporting the tray cover plate, and are provided with lightening holes.

The vertical plates, the tray bottom plate, the tray side plates and the tray support plate are all rigid and good thermal conductors, and the tray cover plate is made of high-temperature-resistant non-metallic materials.

After the technical scheme is adopted, the invention has the beneficial effects that: when the cylindrical battery is heated, the cylindrical battery is firstly placed in the tray structure through the placing hole, when the cylindrical battery is placed, the placing hole and the positioning small hole on the tray bottom plate are sealed by the cylindrical battery, so that a relatively sealed space is formed inside the tray structure, heat emitted by the heating plate in the vacuum oven is transferred into the sealed space through the tray bottom plate, the tray side plates, the tray support plate and the vertical plate, then the opening of the cell is sealed through the tray cover plate, so that the heat in the sealed space rapidly rises, the cylindrical battery placed in the sealed space is uniformly heated, and a good heat insulation effect is achieved on the tray structure, so that the tray structure not only reduces heat loss, but also avoids the problem that the cylindrical battery is not uniformly heated in the heating process, and the cylindrical battery is placed vertically, so that the placing density of the cylindrical battery is effectively increased, the efficiency of cylinder battery heating has been promoted, has that the programming rate is fast, the heat preservation is effectual, the cylinder battery is heated evenly, cylinder battery heating efficiency is high, the cylinder battery is put the advantage that density is big, the quantity of once heating is many.

Aiming at the defects and shortcomings of the prior art, the second purpose of the invention is to provide a heat preservation method of a cylindrical battery, which has the advantages of high temperature rise speed, good heat preservation effect, uniform heating of the cylindrical battery and high heating efficiency of the cylindrical battery.

In order to achieve the purpose, the invention adopts the technical scheme that: a method of insulating a cylindrical battery, the method comprising: the method comprises the following steps: preparing the cylindrical battery tray structure and a certain number of cylindrical batteries which need to be dried; step two: placing the cylindrical battery in the tray structure according to the placing groove on the tray cover plate; step three: the tray structure that will load and have the cylinder battery is placed on the board that generates heat in the vacuum oven, and under cylinder battery action of gravity, it is a plurality of the tray bottom plate respectively with the board that generates heat is fully laminated, controls thermal convection intensity through the mode of heat-conduction, heat radiation and adjustment oven in vacuum, simultaneously, because the cylinder battery is arranged in the closed space, the heat that gives off when the cylinder battery heats is preserved all the time in the closed space, make cylinder battery thermally equivalent, and rapid heating up to predetermined temperature range, and keep in this temperature range.

After the technical scheme is adopted, the invention has the beneficial effects that: firstly, through the inside thermal convection intensity of control vacuum oven to effectively promote the rate of heating of vacuum oven to the cylinder battery in the tray structure, secondly, the cylinder battery is placed and is heated the intensification in inclosed space, not only can reduce calorific loss, plays good heat preservation effect, can guarantee moreover that the cylinder battery is heated evenly, make this method have the intensification fast, keep warm effectual, the cylinder battery is heated evenly, the advantage that cylinder battery heating efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an exploded view of the present embodiment;

fig. 3 is a partial enlarged view corresponding to detail a in fig. 2.

Description of reference numerals: 1. a tray support plate; 2. a tray side plate; 3. a tray floor; 4. a tray cover plate; 5. an independent cell; 6. positioning the small hole; 7. a placement hole; 8. a plug-in structure; 81. a plug-in connector; 82. A slot; 9. a carrier strip; 10. a vertical plate; 101. and (7) lightening holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.

The present embodiment relates to a cylindrical battery tray structure with heat preservation effect, as shown in fig. 1-3, including: tray support plate 1, tray curb plate 2, tray bottom plate 3 and tray apron 4.

As shown in fig. 1-3, a plurality of tray carriers 1 are disposed, and the plurality of tray carriers 1 are disposed in parallel and at intervals on the same plane. Both ends of the plurality of tray support plates 1 are provided with tray side plates 2, and the tray side plates 2 and the plurality of tray support plates 1 are assembled to form a plurality of independent cells 5. Each individual cell 5 is internally provided with a tray bottom plate 3, and the tray bottom plate 3 is used as an individual cell 5 bottom plate. The tray floor 3 is used to carry the cylindrical batteries and is in contact with the vacuum oven heating plate when heated. The tray bottom plates 3 are provided with a plurality of blocks, and it should be noted that the number of the tray bottom plates 3 corresponds to the number of the independent cells 5 one by one. The opening of the independent cell 5 is covered by the tray cover plate 4.

Specifically, after placing the cylindrical battery, the tray cover plate 4 forms a closed space with the combination of the tray support plate 1, the tray side plate 2 and the tray bottom plate 3, so that the cylindrical battery placed in the independent cell 5 is guaranteed to be heated uniformly, the heat loss is reduced, and the heating speed and the heating uniformity of the cylindrical battery are guaranteed.

It should be noted that, when the two electrode ends of the cylindrical battery are both provided with the connector protrusions, the tray bottom plate 3 is of a small metal flat plate structure, and the tray bottom plate 3 is provided with a plurality of positioning small holes 6 for the connector protrusions at the bottom of the cylindrical battery to insert, in addition, the positioning small holes 6 can also be used for positioning the placing positions of the cylindrical battery with the connector protrusions at the two electrode ends, and the positioning small holes 6 are arranged in a rectangular array mode, and the density of the positioning small holes is increased along with the increase of the diameter of the cylindrical battery; when only the top electrode of the cylindrical battery is provided with the joint protrusions, the bearing surface of the tray bottom plate 3 is a plane (i.e. the positioning small holes 6 are not arranged).

In this embodiment, both electrode ends of the cylindrical battery are provided with a connector protrusion, as shown in fig. 1 to 3, preferably, the tray bottom plate 3 is provided with a plurality of positioning holes 6, the plurality of positioning holes 6 are used for positioning the placing positions of the loaded cylindrical battery, and the plurality of positioning holes 6 are arranged in a rectangular array manner. Correspondingly, be provided with a plurality of holes 7 of laying on the tray apron 4, a plurality of holes 7 of laying are used for supplying the cylinder battery to lay in independent cell 5, and a plurality of holes 7 of laying set up with a plurality of location aperture 6 one-to-one. In the embodiment, each tray bottom plate 3 is provided with 18 positioning small holes 6, and the number of the corresponding placing holes 7 is also 18. When the cylindrical battery is placed, the cylindrical battery penetrates through the placing hole and is accommodated in the positioning small hole 6, so that the independent unit grids 5 are closed, and a relatively closed space is formed.

Further, a plug-in structure 8 is arranged between the tray carrier plate 1 and the tray side plate 2, and the plug-in structure 8 is used for realizing the preliminary assembly of the tray carrier plate 1 and the tray side plate 2. And the tray carrier plate 1 and the tray side plates 2 are finally assembled through fastening screws after primary assembly.

As shown in fig. 1 to 3, the insertion structure 8 includes: a plug 81 and a socket 82. The plug-in connectors 81 are disposed at two ends of one side of the tray support plate 1 far away from the tray bottom plate 3, and each tray support plate 1 is provided with a plug-in connector 81. The slot 82 is arranged on the side of the tray side plate 2 far away from the tray bottom plate 3, and the slot 82 is used for being assembled with the plug connector 81, so that preliminary installation is realized. It should be noted that the number of the slots 82 is adapted to the number of the connectors 81. In the present embodiment, the number of the insertion grooves 82 in each pallet side plate 2 is 4.

As shown in fig. 1 to 3, preferably, the plurality of tray carriers 1 are provided with carrier strips 9 on a side away from the plug 81, and the tray bottom plate 3 is carried between adjacent carrier strips 9.

It should be noted that, when the cylindrical battery tray structure is wholly suspended, the tray bottom plate 3 directly falls on the carrying strip 9 by the dead weight; when the cylindrical battery tray structure is wholly fallen on the heating plate, the bottom of the tray bottom plate 3 is directly contacted with the upper surface of the heating plate to be jacked up, so that the tray bottom plate 3 is lifted upwards relative to the carrying strip 9 and is separated from the carrying strip 9.

In order to facilitate the classification of the cylindrical batteries, a vertical plate 10 is arranged between the adjacent tray side plates 2, and the vertical plate 10 is used for separating the independent cells 5 and supporting the tray cover plate 4. In order to save material and reduce the overall weight of the pallet structure, lightening holes 101 are provided on the riser 10.

It is noted that the vertical plate 10, the tray bottom plate 3, the tray side plates 2 and the tray carrier plate 1 are all rigid, good thermal conductors. The tray cover plate 4 is made of high-temperature-resistant nonmetal materials, and high-temperature-resistant plastics, Teflon or stainless steel are allowed to be adopted. The vertical plate 10, the tray bottom plate 3, the tray side plate 2 and the tray support plate 1 are all made of aluminum plates.

The working principle of the present embodiment is roughly as follows: when the cylindrical battery is heated, the cylindrical battery is firstly placed in the tray structure through the placing hole 7, when the cylindrical battery is placed, the placing hole 7 and the positioning small hole 6 on the tray bottom plate 3 are sealed by the cylindrical battery, so that a relatively sealed space is formed in the tray structure, heat emitted by the heating plate in the vacuum oven is transferred to the cylindrical battery in the sealed space through the tray bottom plate 3, the tray side plates 2, the tray support plate 1 and the vertical plate 10, because the tray cover plate 4 and the cylindrical battery together seal the upper part of the cell, the heat is locked in the sealed space, so that the heat in the sealed space rapidly rises, the cylindrical battery in the sealed space is uniformly and rapidly heated, and the tray structure has good heat preservation effect, the tray structure not only reduces the loss of heat, but also avoids the problem that the cylindrical battery is heated unevenly in the heating process, and the cylindrical battery adopts vertical placing, effectively increases the placing density of the cylindrical battery, improves the efficiency of cylindrical battery heating, and has the advantages of high temperature rising speed, good heat preservation effect, uniform heating of the cylindrical battery, high heating efficiency of the cylindrical battery, large placing density of the cylindrical battery, and large quantity of primary heating.

Based on the tray structure, the embodiment further provides a heat preservation method of the cylindrical battery, and the method comprises the following steps:

the method comprises the following steps: preparing the cylindrical battery tray structure and simultaneously preparing a certain number of cylindrical batteries which are cylindrical batteries needing drying treatment;

step two: placing the cylindrical battery in the tray structure according to the placing groove on the tray cover plate 4;

step three: the tray structure that will load the cylindrical battery places on the board that generates heat in the vacuum oven, under cylindrical battery action of gravity, a plurality of tray bottom plates 3 fully laminate with the board that generates heat respectively, through heat-conduction, the mode control heat convection intensity of vacuum in heat radiation and the adjustment oven, and simultaneously, because the cylindrical battery is arranged in the closed space, the heat that gives off when the cylindrical battery heats is preserved throughout in the closed space, make cylindrical battery thermally equivalent, and rapid heating up to predetermined temperature range, and keep in this temperature range.

In the heating and temperature rising process, a part of heat energy generated by the heating plate is transferred to the bottom of the corresponding cylindrical battery through the plurality of tray bottom plates 3 of the cylindrical battery tray and the positioning small holes 6 on the tray bottom plates 3, so that the cylindrical battery is promoted to be rapidly heated; another part of heat energy generated by the heating plate is conducted to one side of the tray cover plate 4 along the tray side plate 2, the vertical plate 10 and the tray support plate 1, so that the temperature of the tray side plate 2, the vertical plate 10 and the tray support plate 1 is rapidly increased. After the temperature of the tray side plate 2, the vertical plate 10 and the tray support plate 1 is raised, heat is transferred to the side part of the cylindrical battery through heat convection and heat radiation, so that the cylindrical battery is uniformly heated, and meanwhile, the temperature of the cylindrical battery is raised and kept.

Adopt above-mentioned method to heat the cylinder battery and keep warm, at first, through the inside thermal convection intensity of control vacuum oven, thereby effectively promote the rate of heating of vacuum oven to the cylinder battery in the tray structure, secondly, the cylinder battery is placed and is heated up in inclosed space, not only can reduce calorific loss, play good heat preservation effect, and can guarantee that the cylinder battery is heated evenly, make this method have that the rate of heating is fast, it is effectual to keep warm, the cylinder battery is heated evenly, the advantage that cylinder battery heating efficiency is high.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered by the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.