Battery cell heating mechanism and equipment

Abstract

The utility model discloses a battery cell heating mechanism and equipment, which is characterized in that a battery cell is placed between two electromagnetic heating components, and a hot-pressing driving piece is driven, so that the distance between the two electromagnetic heating components is shortened, an induction coil eddy current is formed between the two electromagnetic heating components, and magnetic substances in the battery cell and magnetic lines generate cutting heating; and the magnetic medium in the magnetic field range is heated together in an electromagnetic induction manner, so that the heating speed is high, the heat loss can be reduced, the heat conduction efficiency is improved, and the productivity of the battery cell in the heating process is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric core making, and specifically relates to an electric core heating mechanism and equipment. BACKGROUND

[0002] Current electric core processes more and more need to use hot pressing process, and one of the cores of hot pressing is to heat the electric core. The current mainstream heating mode is to heat the upper and lower two plates (referred to as heating plates) in contact with the electric core by means of electric heating, and the temperature of the heating plate is controlled by the built-in electric heating sheet or electric heating rod. The temperature of the heating plate is controlled by the temperature in the required temperature range, and finally the heating plate is in contact with the electric core to realize the heating mode of the electric core penetrating from both sides to the middle by means of heat conduction. However, the current electric core heating mode has low heat conduction efficiency, and it takes a long time to meet the temperature requirement, so the production capacity is low, and more stations need to be configured to meet the production line capacity requirement. SUMMARY

[0003] In order to overcome the defects of the prior art, the utility model provides an electric core heating mechanism and equipment, which can solve the problems of low heat conduction efficiency and low production capacity of the existing electric core heating mode.

[0004] The technical scheme adopted by the utility model to solve its technical problems is: on the one hand, an electric core heating mechanism is provided, which comprises a hot pressing driving part, a first rack and a second rack, the hot pressing driving part is installed on the first rack, two electromagnetic heating assemblies are arranged between the first rack and the second rack, the two electromagnetic heating assemblies are oppositely arranged, and the hot pressing driving part is used to drive one of the electromagnetic heating assemblies to approach or move away from the other electromagnetic heating assembly; an induction coil eddy current is generated between the two electromagnetic heating assemblies, and the induction coil eddy current is used to heat the electric core.

[0005] As a further improvement of the above technical scheme, the electromagnetic heating assembly comprises a mounting plate, a winding plate, an electromagnetic coil and a separation plate, the winding plate is clamped between the mounting plate and the separation plate, and the electromagnetic coil is wound on the winding plate; the faces of the two electromagnetic heating assemblies provided with the separation plate are oppositely arranged, and the two separation plates are used to accommodate the electric core.

[0006] As a further improvement of the above technical scheme, the end of the electromagnetic coil extends from one side of the winding plate.

[0007] As a further improvement of the above technical scheme, the electromagnetic coil is wound in a back-shaped shape inside the winding plate.

[0008] As a further improvement of the above technical scheme, the two electromagnetic heating assemblies are arranged in a vertical direction, and the hot pressing driving part is used to drive one of the electromagnetic heating assemblies to ascend and descend.

[0009] As a further improvement of the above technical solution, a plurality of guide columns are arranged between the first rack and the second rack, the plurality of guide columns are arranged in parallel with each other and are arranged in a vertical direction, and one of the electromagnetic heating assemblies is in sliding connection with the plurality of guide columns.

[0010] As a further improvement of the above technical solution, a guide sleeve is arranged on the guide column, one of the electromagnetic heating assemblies is fixedly connected with a lifting plate, and the lifting plate is fixedly connected with the guide sleeve.

[0011] As a further improvement of the above technical solution, the guide column is provided with four guide sleeves, the four guide sleeves are arranged in a square shape, and the lifting plate is connected with the four guide sleeves.

[0012] As a further improvement of the above technical solution, the heat pressing driving member comprises a linear motor, a fixed end of the linear motor is mounted on the first rack, and an output end of the linear motor is connected with the lifting plate.

[0013] On the other hand, the utility model provides a kind of electric core heating equipment, including electric core conveying mechanism and the electric core heating mechanism of preceding, and the electric core conveying mechanism is used to deliver electric core to between two described electromagnetic heating assemblies.

[0014] The utility model has the advantages that: by being placed between two electromagnetic heating assemblies, and driving heat pressing driving member, the distance between two electromagnetic heating assemblies is shortened, and induction coil eddy current is formed between them, the magnetic material inside electric core is cut with magnetic line of force to generate heating, so that the heating of electric core is realized, the magnetic medium in magnetic field range is heated together by the way of electromagnetic induction, heating speed is fast, and heat loss can be reduced, heat conduction efficiency is improved, and it is beneficial to improve the production capacity in the process of electric core heating. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further described below in connection with drawings and examples.

[0016] Figure 1 It is the structure schematic view of electric core heating mechanism provided by preferred embodiment of the utility model;

[0017] Figure 2 It is the structure schematic view of electric core heating mechanism provided by preferred embodiment of the utility model; Figure 1 Two electromagnetic heating assemblies in it and the structure schematic view of electric core;

[0018] Figure 3 It is the structure schematic view of electric core heating mechanism provided by preferred embodiment of the utility model; Figure 1 The sectional view of winding plate in it.

[0019] Reference signs: 1, hot pressing driving part, 2, first rack, 3, second rack, 4, electromagnetic heating assembly, 5, battery cell;

[0020] 11, linear motor, 21, guide post, 22, guide sleeve, 41, mounting plate, 42, winding plate, 43, electromagnetic coil, 44, isolation plate, 45, lifting plate. DETAILED DESCRIPTION

[0021] The concept, specific structure and generated technical effects of the utility model will be described clearly and completely in combination with the embodiments and drawings, so that the purpose, features and effects of the utility model can be fully understood. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and other embodiments obtained by the skilled in the art without creative labor based on the embodiments of the utility model all belong to the protection scope of the utility model. In addition, all the connection / connection relations involved in the patent are not single connection of components, but can be composed of better connection structures by adding or reducing connection auxiliary components according to the specific implementation situation, such as fixed connection / fixed installation, which can be selected according to the needs, such as screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and the like, such as detachable connection, which can be selected according to the needs, such as screw connection, bolt connection, threaded connection, buckle connection, mortise and tenon connection, magic tape connection and the like. The various technical features in the utility model creation can be interactively combined without mutual contradiction and conflict.

[0022] Please see Figures 1-3 The utility model provides a kind of battery cell heating mechanism, including hot pressing driving part 1, first rack 2 and second rack 3, hot pressing driving part 1 is installed on first rack 2, two electromagnetic heating assemblies 4 are provided between first rack 2 and second rack 3, two electromagnetic heating assemblies 4 are oppositely arranged, and hot pressing driving part 1 is used to drive one of electromagnetic heating assemblies 4 to be close to or away from another electromagnetic heating assembly 4;Battery cell 5 is placed between two electromagnetic heating assemblies 4, and hot pressing driving part 1 is driven, so that the distance between two electromagnetic heating assemblies 4 is shortened, battery cell 5 is clamped between two electromagnetic heating assemblies 4, and heat conduction effect can be generated between each other, and battery cell 5 can be heated within the range of two electromagnetic heating assemblies 4, and compression is only to further improve the heating efficiency of battery cell 5.

[0023] Induction coil eddy current is used between two electromagnetic heating assemblies 4, induction coil eddy current is used to heat battery cell 5, and the inside of battery cell 5 is cut with magnetic material and magnetic line to generate cutting heating, so as to realize the heating of battery cell 5, and the magnetic medium in the magnetic field range is heated together by the mode of electromagnetic induction, the heating speed is fast, and the heat loss can be reduced, the heat conduction efficiency is improved, and the production capacity in the heating process of battery cell 5 is improved.

[0024] In the embodiment, the electromagnetic heating assembly 4 comprises a mounting plate 41, a winding plate 42, an electromagnetic coil 43 and an isolation plate 44, the winding plate 42 is clamped between the mounting plate 41 and the isolation plate 44, and the electromagnetic coil 43 is wound on the winding plate 42; the two electromagnetic heating assemblies 4 are arranged opposite to each other in the face of the isolation plate 44, and the two isolation plates 44 are used for accommodating the battery cell 5. The two mounting plates 41 are respectively mounted on the first rack 2 and the second rack 3, the electromagnetic coil 43 wound on the winding plate 42 can generate a magnetic field after being electrified, the two isolation plates 44 are used for clamping the battery cell 5, and the magnetic material inside the battery cell 5 is cut by the magnetic field generated by the electromagnetic coil 43 to generate heat.

[0025] Specifically, the end of the electromagnetic coil 43 protrudes from one side of the winding plate 42, which facilitates the connection of the electromagnetic coil 43 with an external power supply; and the electromagnetic coil 43 is wound in a character-shaped manner inside the winding plate 42, which increases the capacity of the electromagnetic coil 43 in a unit area of the winding plate 42, so as to increase the magnetic force generated by the electromagnetic coil 43.

[0026] The two electromagnetic heating assemblies 4 are arranged in a vertical direction, the heat-pressing driving member 1 is used for driving the electromagnetic heating assembly 4 on the upper side to move up and down, and the battery cell 5 can be naturally placed above the electromagnetic heating assembly 4 on the lower side, so as to facilitate the maintenance of the battery cell 5 between the two electromagnetic heating assemblies 4.

[0027] A plurality of guide columns 21 are arranged between the first rack 2 and the second rack 3, the plurality of guide columns 21 are arranged in parallel to each other and in a vertical direction, and one of the electromagnetic heating assemblies 4 is in sliding connection with the plurality of guide columns 21, so that the guide columns 21 can play a guiding role and facilitate the stability of the heat-pressing driving member 1 in driving the electromagnetic heating assembly 4 to move up and down.

[0028] A guide sleeve 22 is slidingly arranged on the guide column 21, and the electromagnetic heating assembly 4 is fixedly connected with a lifting plate 45, the lifting plate 45 is fixedly connected with the guide sleeve 22, and the guide sleeve 22 can reduce the friction with the guide column 21, so as to facilitate the lifting plate 45 in driving the electromagnetic heating assembly 4 to move up and down relative to the guide column 21.

[0029] In other embodiments, the component for guiding the electromagnetic heating assembly can also be a sliding rail and a sliding block, the sliding rail is arranged between the first rack and the second rack, and the lifting plate is in sliding connection with the sliding rail through the sliding block, so that the positioning precision is high and the precise linear motion can be realized.

[0030] In the embodiment, the guide column 21 is provided with four guide sleeves 22 and arranged in a square shape, and the lifting plate 45 is connected with the four guide sleeves 22 around the lifting plate 45, so that the four sides of the lifting plate 45 can move up and down relative to the guide column 21 at the same time, thereby maintaining the stability of the lifting plate 45 during the lifting process.

[0031] The hot-pressing driving part 1 comprises a linear motor 11, a fixed end of the linear motor 11 is installed on the first rack 2, an output end of the linear motor 11 is connected with the lifting plate 45, the linear motor 11 is simple in structure and high in sensitivity, and is favorable for the lifting movement of the electromagnetic heating assembly 4.

[0032] In other embodiments, the hot-pressing driving part can also be a pneumatic cylinder, an electric cylinder, a hydraulic cylinder or the like, the pneumatic cylinder is simple in structure and favorable for reducing the cost, the electric cylinder is high in precision and high in energy utilization rate, and the hydraulic cylinder is stable in operation and good in stability.

[0033] The utility model discloses preferred embodiment further provide a kind of battery heating equipment, including battery conveying mechanism and the battery heating mechanism of above-mentioned embodiment, battery conveying mechanism is used to deliver battery 5 between two electromagnetic heating assemblies 4, realize the automation of battery 5 delivery, drive hot-pressing driving part 1, so that the distance between two electromagnetic heating assemblies 4 shortens, inductive coil eddy current is formed between two, magnetic material inside battery 5 and magnetic force line produce cutting heating, to realize the heating of battery 5, by the way of electromagnetic induction, magnetic medium in magnetic field range is heated together, heating speed is fast, and it can reduce heat loss, improve heat conduction efficiency, it is favorable for improving the production capacity in the heating process of battery 5.

[0034] The above is a specific description of the preferred embodiment of the utility model, but the utility model creation is not limited to the described embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A battery cell heating mechanism, characterized in that: The device includes a hot-pressing drive, a first frame, and a second frame. The hot-pressing drive is mounted on the first frame. Two electromagnetic heating components are disposed between the first frame and the second frame, and the two electromagnetic heating components are disposed opposite to each other. The hot-pressing drive is used to drive one of the electromagnetic heating components to move closer to or away from the other electromagnetic heating component. Eddy currents in induction coils are generated between the two electromagnetic heating components, and the eddy currents in induction coils are used to heat the battery cell.

2. The cell heating mechanism according to claim 1, characterized in that: The electromagnetic heating assembly includes a mounting plate, a winding plate, an electromagnetic coil, and an isolation plate. The winding plate is sandwiched between the mounting plate and the isolation plate, and the electromagnetic coil is wound on the winding plate. The two electromagnetic heating assemblies with the isolation plates are arranged opposite each other, and the space between the two isolation plates is used to accommodate the battery cell.

3. The cell heating mechanism according to claim 2, characterized in that: The end of the electromagnetic coil extends out from one side of the winding plate.

4. The cell heating mechanism according to claim 2, characterized in that: The electromagnetic coil is wound in a U-shape inside the winding plate.

5. The cell heating mechanism according to claim 1, characterized in that: The two electromagnetic heating components are arranged vertically, and the thermo-pressing drive is used to drive one of the electromagnetic heating components to rise and fall.

6. The cell heating mechanism according to claim 5, characterized in that: A plurality of guide posts are provided between the first frame and the second frame. The plurality of guide posts are arranged parallel to each other and are all arranged in a vertical direction. One of the electromagnetic heating components is slidably connected to the plurality of guide posts.

7. The cell heating mechanism according to claim 6, characterized in that: A guide sleeve is slidably disposed on the guide post, and one of the electromagnetic heating components is fixedly connected to a lifting plate, the lifting plate being fixedly connected to the guide sleeve.

8. The cell heating mechanism according to claim 7, characterized in that: The guide post is provided with four guide sleeves, and the four guide posts are arranged in a square. The lifting plate is connected to the four guide sleeves on all four sides.

9. The cell heating mechanism according to claim 8, characterized in that: The hot-pressing drive includes a linear electric cylinder, the fixed end of which is mounted on the first frame, and the output end of which is connected to the lifting plate.

10. A battery cell heating device, characterized in that: It includes a cell delivery mechanism and a cell heating mechanism as described in any one of claims 1-9, wherein the cell delivery mechanism is used to deliver a cell between two of the electromagnetic heating components.

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