Bracket structure based on interior of battery pack

Abstract

The utility model belongs to the technical field of batteries, and discloses a support structure based on the interior of a battery pack, which comprises an interface module and a plurality of groups of power supply modules, the interface module is electrically connected with the uppermost power supply module, the plurality of groups of power supply modules are electrically connected with one another, and the interface module comprises a positive pole connecting column and a negative pole connecting column. The anode connecting columns and the cathode connecting columns penetrate through the battery pack shell to be electrically connected with equipment, button batteries are installed in the power modules, the anode connecting blocks and the cathode connecting blocks of the multiple sets of power modules make contact and are electrically connected, the cathode connecting blocks and the cathode connecting blocks make contact and are connected, and therefore the multiple sets of connecting blocks enable the button batteries to be connected in parallel. According to the utility model, the structure design is compact and reasonable, the current intensity can be changed, the device can be suitable for various kinds of equipment, no lead is arranged in the device, the overheating risk of the connecting wire can be avoided, and the stability and the safety are high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery technology field, concretely is a kind of support structure based on the inside of battery pack. BACKGROUND

[0002] Battery pack is a device for storing and releasing electrical energy when needed. It is usually composed of multiple battery cells and can be manufactured in different shapes and sizes for a wide range of applications, such as electric vehicles, mobile devices, household appliances, etc.

[0003] Battery pack can be easily carried and used in different situations. Most battery packs can be repeatedly charged and used, saving resource costs. Battery pack can store a large capacity of electrical energy in a small volume, suitable for devices that require high energy density. Battery pack can release stored energy relatively efficiently, providing a stable power supply for devices. In general, battery pack has the advantages of portability, rechargeability, high energy density and efficiency, and is an indispensable energy storage device in modern life.

[0004] When battery pack is applied, different devices need to be connected, and the current or voltage required by different devices is not the same. Changing voltage can be done using a variable voltage coil, but the current intensity is difficult to control. Some technicians use intelligent control chips to shield or control the disconnection of part of the circuit and the connection of the battery, and multiple batteries are set in the battery pack to adjust the current intensity to meet the demand. However, this method cannot increase the current intensity.

[0005] Some battery packs use copper wires to connect the batteries inside. Copper wires have resistance, and in high-load use or long-time charging use, the wires are prone to overheating and burning, causing the battery pack to be damaged, and even the burning of the wires may cause the battery to burn and explode, which is very dangerous. UTILITY MODEL CONTENTS

[0006] To solve the problems of difficult increase of current intensity and overheating of connecting wires in the background technology, the utility model provides a support structure based on the inside of battery pack.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a support structure based on the inside of battery pack, comprising an interface module and multiple power modules, the interface module is electrically connected with the uppermost power module, and the multiple power modules are electrically connected with each other, the interface module includes a positive pole and a negative pole, and the positive pole and the negative pole pass through the battery pack shell and are electrically connected with the equipment.

[0008] Preferably, the interface module further comprises a positive electrode connecting plate, a negative electrode connecting plate, an insulating strip and a control chip, the positive electrode connecting plate is welded with a positive electrode connecting column, the negative electrode connecting plate is welded with a negative electrode connecting column, the positive electrode connecting plate and the negative electrode connecting plate are provided with the insulating strip, and the positive electrode connecting plate and the negative electrode connecting plate are electrically connected with the control chip.

[0009] Preferably, the power module comprises a positive electrode plate, a negative electrode plate, two groups of isolation layers and a connecting pad, the connecting pad is arranged above the positive electrode plate, the negative electrode plate is arranged above the connecting pad, and the isolation layers are arranged above the negative electrode plate and below the positive electrode plate.

[0010] Preferably, the positive electrode plate is provided with two groups of battery compartments, the positive electrode plate is welded with a positive electrode connecting block on one side, the battery compartment is provided with a button cell, and the positive electrode of the button cell is in contact with and electrically connected with the inner wall of the battery compartment.

[0011] Preferably, the connecting pad comprises an insulating layer and two groups of connecting round blocks, the two groups of connecting round blocks are arranged on the insulating layer at the positions corresponding to the battery compartments, and the connecting round blocks are in contact with and electrically connected with the negative electrodes of the button cells.

[0012] Preferably, the negative electrode plate is welded with a negative electrode connecting block on the side away from the positive electrode connecting block, and the negative electrode plate is in contact with and electrically connected with the connecting round blocks.

[0013] Preferably, the positive electrode connecting block in the power module is in contact with and electrically connected with the positive electrode connecting block in another group of power modules, the negative electrode connecting block in the power module is in contact with and electrically connected with the negative electrode connecting block in another group of power modules, and the isolation layers are arranged between the positive electrode connecting blocks and the negative electrode connecting blocks above and below the power module.

[0014] Compared with the prior art, the utility model provides a support structure based on the inside of a battery pack, which has the following beneficial effects:

[0015] 1. The support structure based on the inside of a battery pack is provided with a unique power module, the power module can be increased or decreased, the current intensity can be changed, the power module can be applied to various devices, there is no wire in the inside, the risk of overheating of the connecting wire can be avoided, and the stability and safety are high.

[0016] 2. The power module can be increased or decreased, the number of power modules can be increased or decreased according to requirements, the current intensity can be changed, and the power module can be applied to various devices.

[0017] 3. The positive electrode connecting block and the negative electrode connecting block are arranged, there is no wire in the inside, the connecting blocks are used for electrical connection and also play a supporting role to support the power module, there is no risk of overheating of the connecting wire, and the stability and safety are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model discloses a whole structure schematic diagram;

[0019] Figure 2 The utility model discloses an interface module schematic diagram;

[0020] Figure 3 The utility model discloses a power module schematic diagram;

[0021] Figure 4 The utility model discloses a positive plate schematic diagram;

[0022] Figure 5 The utility model discloses a connecting gasket schematic diagram;

[0023] Figure 6 The utility model discloses a negative plate schematic diagram;

[0024] Figure 7 The utility model discloses a power module connection schematic diagram;

[0025] Figure 8 The utility model discloses a whole schematic diagram.

[0026] In the drawing: 1, interface module;2, power module;3, positive pole;4, negative pole;5, insulating band;6, positive pole post;7, negative pole post;8, control chip;9, positive plate;10, negative plate;11, isolation layer;12, connecting gasket;13, battery compartment;14, positive connection block;15, negative connection block;16, insulating layer;17, connecting round block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Please refer to Figures 1-8 The utility model provides a technical scheme:

[0029] A support structure based on the inside of a battery pack, comprising an interface module 1 and multiple groups of power modules 2, the interface module 1 is electrically connected with the uppermost power module 2, the multiple groups of power modules 2 are all electrically connected with each other, the interface module 1 contains positive pole posts 6 and negative pole posts 7, and the positive pole posts 6 and the negative pole posts 7 are electrically connected with equipment through the battery pack shell. The battery pack shell should be made of insulating material, and plastic is recommended, and non-insulating material should not be used to contact the positive pole plate 3, the negative pole plate 4, the positive pole post 6, the negative pole post 7 and the power module 2 on the interface module 1.

[0030] Further, the interface module 1 further comprises a positive electrode connecting plate 3, a negative electrode connecting plate 4, an insulating strip 5 and a control chip 8, the positive electrode connecting plate 3 is welded with a positive electrode connecting column 6, the negative electrode connecting plate 4 is welded with a negative electrode connecting column 7, the positive electrode connecting plate 3 and the negative electrode connecting plate 4 are provided with the insulating strip 5, and the positive electrode connecting plate 3 and the negative electrode connecting plate 4 are electrically connected with the control chip 8. The control chip 8 can control the display of the battery pack power storage capacity and the like, and manage the charging and discharging.

[0031] Further, the power module 2 comprises a positive electrode plate 9, a negative electrode plate 10, two groups of isolation layers 11 and a connecting pad 12, the connecting pad 12 is arranged above the positive electrode plate 9, the negative electrode plate 10 is arranged above the connecting pad 12, and the isolation layer 11 is arranged above the negative electrode plate 10 and below the positive electrode plate 9. A plurality of power modules 2 are stacked and spliced, and the number of power modules 2 can be increased or decreased as required.

[0032] Further, two groups of battery compartments 13 are arranged on the positive electrode plate 9, a positive electrode connecting block 14 is welded on one side of the positive electrode plate 9, a button cell is arranged in the battery compartment 13, and the positive electrode of the button cell is in contact with and electrically connected with the inner wall of the battery compartment 13. The button cell is placed in the battery compartment 13, so that the smooth side of the button cell faces the bottom of the battery compartment 13, and the side with the convex surface faces upward. Most of the button cells have the smooth side as the positive electrode and the convex side as the negative electrode. If the smooth side of the button cell to be filled is the negative electrode, it will not cause damage to the battery pack, but attention should be paid to the fact that the positive electrode connecting column 6 and the negative electrode connecting column 7 of the battery pack should be opposite in use.

[0033] Further, the connecting pad 12 comprises an insulating layer 16 and two groups of connecting round blocks 17, the two groups of connecting round blocks 17 are arranged in the insulating layer 16 and correspond to the positions of the battery compartments 13, and the connecting round blocks 17 are in contact with and electrically connected with the negative electrodes of the button cells. The connecting round blocks 17 are used to connect the convex surfaces of the button cells with the negative electrode plate 10.

[0034] Further, a negative electrode connecting block 15 is welded on the side of the negative electrode plate 10 away from the positive electrode connecting block 14, and the negative electrode plate 10 is in contact with and electrically connected with the connecting round block 17.

[0035] Further, the positive electrode connecting block 14 in the power module 2 is in contact with and electrically connected with the positive electrode connecting block 14 in another power module 2, the negative electrode connecting block 15 in the power module 2 is in contact with and electrically connected with the negative electrode connecting block 15 in another power module 2, and the isolation layer 11 is arranged between the positive electrode connecting block 14 and the negative electrode connecting block 15 above and below the power module 2. This connection mode makes all the button cells be connected in parallel, so that the voltage is not changed and the current intensity is enhanced.

[0036] Working principle: when the device is needed, the device is placed in the battery package shell, the positive pole connecting column 6 and the negative pole connecting column 7 pass through the battery package shell and are electrically connected with the equipment, wherein the positive pole connecting block 14 between the power module 2 and another group of power modules 2 is connected with the positive pole connecting block 14, a plurality of groups of button batteries are connected together through the battery compartment 13 and the positive pole connecting block 14, the negative pole connecting block 15 between the power module 2 and another group of power modules 2 is connected with the negative pole connecting block 15, and a plurality of groups of button batteries are connected together through the connecting round block 17 and the negative pole connecting block 15.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A battery pack based on the inside of the bracket structure, characterized by: Interface module (1) and multiple groups of power module (2), the interface module (1) is electrically connected with the uppermost power module (2), multiple groups of the power module (2) are electrically connected with each other, the interface module (1) includes positive terminal post (6) and negative terminal post (7), and the positive terminal post (6) and the negative terminal post (7) are electrically connected with the equipment through the battery pack shell.

2. A support structure based on the inside of a battery pack according to claim 1, characterized by: The interface module (1) further includes positive terminal plate (3), negative terminal plate (4), insulating tape (5) and control chip (8), the positive terminal post (6) is welded on the positive terminal plate (3), the negative terminal post (7) is welded on the negative terminal plate (4), the insulating tape (5) is arranged between the positive terminal plate (3) and the negative terminal plate (4), and the control chip (8) is electrically connected on the positive terminal plate (3) and the negative terminal plate (4).

3. The battery pack based internal support structure of claim 1, wherein: The power module (2) includes positive plate (9), negative plate (10), two groups of isolation layers (11) and connecting gasket (12), the connecting gasket (12) is arranged above the positive plate (9), the negative plate (10) is arranged above the connecting gasket (12), and the isolation layer (11) is arranged above the negative plate (10) and below the positive plate (9).

4. The support structure based on the inside of a battery pack according to claim 3, characterized by: Two groups of battery compartments (13) are formed in the positive plate (9), the positive connecting block (14) is welded on one side of the positive plate (9), the button cell is installed in the battery compartment (13), and the positive pole of the button cell is in contact with and electrically connected with the inner wall of the battery compartment (13).

5. A support structure based on the inside of a battery pack according to claim 4, characterized by: The connecting gasket (12) includes insulating layer (16) and two groups of connecting round blocks (17), the two groups of connecting round blocks (17) are installed on the insulating layer (16) at the positions corresponding to the battery compartments (13) through the insulating layer (16), and the connecting round blocks (17) are in contact with and electrically connected with the negative poles of the button cells.

6. A support structure based on the inside of a battery pack according to claim 5, characterized by: The negative connecting block (15) is welded on the side, away from the positive connecting block (14), of the negative plate (10), and the negative plate (10) is in contact with and electrically connected with the connecting round blocks (17).

7. A support structure based on the inside of a battery pack according to claim 6, characterized by: The positive connecting block (14) in the power module (2) is in contact with and electrically connected with the positive connecting block (14) in another power module (2), the negative connecting block (15) in the power module (2) is in contact with and electrically connected with the negative connecting block (15) in another power module (2), and the isolation layer (11) is located between the positive connecting block (14) and the negative connecting block (15) above and below the power module (2).

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