Battery module compatible with various voltages

Abstract

The utility model relates to the technical field of battery modules, and discloses a battery module compatible with various voltages, which comprises a battery, a protective shell is arranged on the outer side of the battery, a battery cell and a plurality of connecting components are arranged in the battery, the connecting components are sleeved on the outer side of the battery cell, and the protective shell is arranged on the outer side of the battery cell. Three heat dissipation plates are arranged on the front side and the rear side of the connecting assembly, a plurality of open grooves are formed in the front side and the rear side of the protective shell at equal intervals, and the heat dissipation plates penetrate through the open grooves and extend outwards. According to the utility model, the heat dissipation plate is connected with the connecting assembly, the heat generated by the battery cell in the working process is transmitted to the heat dissipation plate through the connecting assembly, one end of the heat dissipation plate is arranged on the outer side and is in contact with the air to conduct and dissipate the heat of the battery cell, and meanwhile, through the F-shaped and T-shaped arrangement of the heat dissipation plate, the surface area of the heat dissipation plate is increased, and the heat dissipation rate is increased; and the damage to the battery cell due to the fact that heat generated during working of the battery cell is difficult to dissipate and long-time use is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module technical field especially relates to a kind of battery module of compatible multiple voltage. BACKGROUND

[0002] Energy storage battery is used to provide power for peak load regulation power auxiliary service, electric vehicle, electric train, electric bicycle, golf cart etc., and most energy storage battery devices do not need to move, so energy storage battery is set using lithium battery, different energy storage batteries have different requirements in the face of different scenes, and problems such as swelling rate, energy density, electrode material performance uniformity need to be paid attention to, in order to pursue long service life and low cost of the whole energy storage equipment.

[0003] Lithium-ion power battery, as a kind of energy storage battery, has become the most important power source for the development of new energy vehicles with the advantages of high power density, high energy density and long service life. In addition, lithium-ion battery has long service life, high voltage, high charging and discharging efficiency and no pollution, so it is widely used in power grid energy storage. At present, the battery module in the industry can only be compatible with one voltage platform, so when different voltage platforms are needed, the battery module needs to be redesigned and the aluminum row of the battery cell needs to be rearranged. After evaluation, a new mold needs to be opened, which requires a large cost. Therefore, energy storage battery with battery module compatible with multiple voltages is needed.

[0004] The existing energy storage battery with battery module compatible with multiple voltages is arranged by multiple groups of battery cells inside, the output voltage of each battery cell is the same, and then connected with power management unit through connecting assembly. The battery cell is output through connecting assembly, and connecting assembly realizes series and parallel connection of battery cell to meet different voltage output requirements of different battery modules. However, the heat generated by battery cell during work is difficult to dissipate, and long-term use can cause damage to battery cell. Therefore, a battery module compatible with multiple voltages is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a battery module compatible with multiple voltages.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A battery module compatible with multiple voltages includes a battery, a protective shell is arranged on the outer side of the battery, a battery cell and a connecting assembly are arranged inside the battery, the connecting assembly is arranged with a plurality of connecting assemblies and is sleeved on the outer side of the battery cell, three heat dissipation plates are arranged on the front and rear sides of the connecting assembly, a plurality of slots are equidistantly arranged on the front and rear sides of the protective shell, and the heat dissipation plates pass through the slots and extend outward.

[0008] The front and back sides of the protective shell are provided with protective sleeves, and the heat dissipation plates are arranged on the inner sides of the protective sleeves.

[0009] The middle part of the protective sleeve is provided with a plurality of heat dissipation holes, and the four corners of the protective sleeve are provided with side ears.

[0010] Further, the inner sides of the protective shell are provided with inner grooves at the left and right ends of the bottom, and the bottom of the connecting assembly is clamped and connected in the inner grooves.

[0011] Further, the outer sides of the heat dissipation plates are provided with rubber rings close to the protective shell.

[0012] Further, among the three heat dissipation plates, the left and right heat dissipation plates are F-shaped, and the middle heat dissipation plate is T-shaped, and the heat dissipation plates are 2mm thick copper plates.

[0013] Further, the protective sleeve is a 3mm thick rubber plate.

[0014] Further, the width of the heat dissipation hole is 2cm.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] In the utility model, the heat generated by the electric core in the working process is transmitted to the heat dissipation plate through the connecting assembly, one end of the heat dissipation plate is arranged on the outer side and contacts with air, the heat of the electric core is conducted and dissipated, and the surface area of the heat dissipation plate is increased through the F-shaped and T-shaped arrangement of the heat dissipation plate, so that the heat dissipation rate is increased, and the damage to the electric core caused by the heat generated by the electric core in the working process and long-time use is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A front side three-dimensional structure schematic view of a battery module compatible with multiple voltages is provided for the utility model;

[0018] Figure 2 A battery and heat dissipation plate three-dimensional structure schematic view of a battery module compatible with multiple voltages is provided for the utility model;

[0019] Figure 3 An electric core, a connecting assembly and a heat dissipation plate three-dimensional structure schematic view of a battery module compatible with multiple voltages is provided for the utility model;

[0020] Figure 4 A protective shell three-dimensional structure schematic view of a battery module compatible with multiple voltages is provided for the utility model;

[0021] Figure 5 A protective sleeve three-dimensional structure schematic view of a battery module compatible with multiple voltages is provided for the utility model;

[0022] Figure 6 The utility model provides a battery module's heat dissipation plate of compatible multiple voltage's plan view.

[0023] Legend:

[0024] 1, battery; 2, protective shell; 3, electric core; 4, connecting assembly; 5, heat dissipation plate; 6, slot; 7, inner groove; 8, protective sleeve; 9, side ear; 10, heat dissipation hole; 11, rubber ring. Specific embodiments

[0025] The technical scheme 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 and 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 belong to the scope of protection of the utility model.

[0026] Reference Figures 1-6 , the utility model provides an embodiment: a kind of battery module compatible multiple voltage, including battery 1, the outside of battery 1 is provided with protective shell 2, battery 1 is provided with including electric core 3 and connecting assembly 4, connecting assembly 4 is provided with several and all is set on the outside of electric core 3, connecting assembly 4 is all arranged and is provided with three heat dissipation plates 5 in front and back side, the front and back side of protective shell 2 is all equidistantly provided with several slots 6, heat dissipation plate 5 passes through slot 6 and extends outward, by protective shell 2 to battery 1 protection;

[0027] The front and back side of protective shell 2 is provided with protective sleeve 8, and the inner side of heat dissipation plate 5 is provided with protective sleeve 8, the end of heat dissipation plate 5 is protected from protective sleeve 8 outside protective shell 2, to prevent damage to heat dissipation plate 5 by impact or collision;

[0028] The middle part of protective sleeve 8 is equidistantly provided with several heat dissipation holes 10, and the four corners of protective sleeve 8 are all provided with side ears 9, the heat dissipated by heat dissipation plate 5 is communicated with the outside through heat dissipation hole 10, and the side ear 9 is convenient for the front and back side of protective sleeve 8 and protective shell 2 to be installed and disassembled.

[0029] Preferably, the inner side bottom of protective shell 2 is provided with inner groove 7, and the bottom of connecting assembly 4 is connected in the inner groove 7, so that the whole of connecting assembly 4 and electric core 3 is placed in the inner side of protective shell 2, and the stability of the connection after placement is improved.

[0030] Preferably, the outer side of the heat dissipation plate 5 is provided with a rubber ring 11 near the protective shell 2, and the rubber ring 11 is sleeved on the outer side of the heat dissipation plate 5, which not only increases the sealing performance of the connection position of the heat dissipation plate 5 and the slot 6, but also prevents rainwater from entering the interior of the protective shell 2 through the slot 6.

[0031] Preferably, among the three heat dissipation plates 5, the left and right heat dissipation plates 5 are F-shaped, and the middle heat dissipation plate 5 is T-shaped, and the heat dissipation plate 5 is a 2mm-thick copper plate, which increases the surface area of the heat dissipation plate 5 and increases the heat dissipation capacity, and the heat dissipation rate of the copper plate is relatively fast, which can increase the heat conduction rate of the battery cell 3.

[0032] Preferably, the protective sleeve 8 is a 3mm-thick rubber plate, which is convenient to manufacture and is not easy to be damaged, and can effectively protect the heat dissipation plate 5.

[0033] Preferably, the width of the heat dissipation hole 10 is 2cm, which prevents too large to fall in the sundries.

[0034] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or to the equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A multi-voltage-compatible battery module comprising a battery (1), characterized by: The outer side of the battery (1) is provided with a protective shell (2), and the inner side of the battery (1) is provided with an electric core (3) and a connecting assembly (4), the connecting assembly (4) is provided with several and is sleeved on the outer side of the electric core (3), the front and rear sides of the connecting assembly (4) are provided with three heat dissipation plates (5), the front and rear sides of the protective shell (2) are provided with several equal-interval slot (6), the heat dissipation plates (5) pass through the slot (6) and extend outward; The front and rear sides of the protective shell (2) are provided with a protective sleeve (8), and the heat dissipation plates (5) are arranged on the inner side of the protective sleeve (8); The middle part of the protective sleeve (8) is provided with several equal-interval heat dissipation holes (10), and the corners of the protective sleeve (8) are provided with side ears (9).

2. The multi-voltage-compatible battery module according to claim 1, wherein: The inner side of the protective shell (2) is provided with an inner groove (7) at the left and right ends of the bottom, and the bottom of the connecting assembly (4) is clamped and connected in the inner groove (7).

3. The multi-voltage compatible battery module of claim 1, wherein: The outer side of the heat dissipation plate (5) is provided with a rubber ring (11) near the protective shell (2).

4. The multi-voltage compatible battery module of claim 1, wherein: Among the three heat dissipation plates (5), the left and right heat dissipation plates (5) are F-shaped, the middle heat dissipation plate (5) is T-shaped, and the heat dissipation plate (5) is a 2mm thick copper plate.

5. The multi-voltage compatible battery module of claim 1, wherein: The protective sleeve (8) is a 3mm thick rubber plate.

6. The multi-voltage compatible battery module of claim 1, wherein: The width of the heat dissipation hole (10) is 2cm.

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