Truck parking battery pack

Abstract

The utility model relates to a truck parking battery pack, and belongs to the technical field of battery packs. Which comprises a lower shell, heating plates, end plates, a BMS protection plate, a GMS communication box, battery cells and an upper cover, and is characterized in that a plurality of battery cells are arranged, an insulating plate is arranged on each battery cell, the plurality of battery cells are sequentially connected through connecting pieces in the insulating plates to form a battery module, the heating plates are arranged on the two side surfaces of the battery module, and the end plates are arranged on the end surfaces of the battery module; a pressing strip assembly is arranged above the end plate and fixed to the pressing strip assembly through riveting screws, and the BMS protection plate and the GMS communication box are located on the pressing strip assembly. The upper cover is located above the pressing strip assembly and fixedly connected with the lower shell. And the battery cell is a lithium iron phosphate battery cell. According to the truck parking battery pack provided by the utility model, the lithium iron phosphate battery core is adopted, so that the problems of large volume and overweight of the battery pack are solved, the problem that a phosphoric acid battery cannot be used at a low temperature is solved through the heating plate when the truck parking battery pack is used, and the battery can be positioned when the truck parking battery pack is used.

Description

Technical Field

[0001] The utility model relates to a truck parking battery pack and belongs to the technical field of battery packs. Background Art

[0002] A battery module generally refers to a combination of cells connected in series or in parallel, and then fixed with a device to provide electrical energy. It is one of the secondary structures that make up a power battery pack. According to the structural shape of the cells, at present, vehicle starting batteries mostly use lead-acid batteries, lithium iron phosphate batteries, lithium-ion batteries, and nickel-cadmium batteries. They are characterized by fast charging, ultra-large current discharge, ultra-low internal resistance, high and low temperature resistance, high capacity and stable voltage output, and can provide long-term power supply and a large number of cycles.

[0003] However, existing lead-acid starting batteries have low energy density, large battery size, heavy weight, require maintenance, and have a short service life;

[0004] Lithium iron phosphate parking batteries have high energy density and small battery size, but are greatly affected by temperature and cannot be used in low temperature environments. Utility Model Content

[0005] In view of this, the utility model provides a truck parking battery pack, which solves the problem that phosphoric acid batteries cannot be used at low temperatures when in use, and the batteries can be positioned when in use.

[0006] The utility model provides a truck parking battery pack, which includes a lower shell, a heating plate, an end plate, a BMS protection plate, a GMS communication box, a battery cell, and an upper cover, and is characterized in that: there are multiple battery cells, an insulating plate is provided on the battery cell, and the multiple battery cells are sequentially connected through connecting pieces inside the insulating plate to form a battery module, and heating plates are provided on both sides of the battery module and are located inside the end plate;

[0007] A pressure strip assembly is provided above the end plate and fixed to the pressure strip assembly by riveting screws, and the BMS protection plate and the GMS communication box are located on the pressure strip assembly;

[0008] The upper cover is located above the pressure strip assembly and is fixedly connected to the lower shell;

[0009] The battery cell is a lithium iron phosphate battery cell.

[0010] Preferably, fixedly connected handles are provided at both ends of the top of the lower shell, a plurality of linearly distributed first reinforcing ribs are provided on the inner wall of the lower shell, shock-absorbing cotton is provided on the reinforcing ribs, and first limiting plates are provided on both sides of the inner wall of the lower shell.

[0011] Preferably, an annular waterproof adhesive strip sticking groove is provided on the top of the lower shell and the inner side is stepped, and a first threaded hole is provided on the outer side of the annular waterproof adhesive strip sticking groove.

[0012] Preferably, the upper cover is provided with a protrusion and an avoidance groove corresponding to the annular waterproof tape sticking groove, the protrusion is provided with positive and negative copper columns, and the upper cover and the lower shell are fixedly connected by screws.

[0013] Preferably, the top of the upper cover is designed to be thinned and is provided with corresponding reinforcing ribs for reinforcement.

[0014] Preferably, the end plate is U-shaped, and both sides and the bottom of the end plate are connected to the battery module. Bending platforms are provided on both sides of the end plate, and waist-shaped holes and riveted nuts corresponding to riveting screws are provided on the bending platforms. The bending platform is fixed by the first bolt passing through the waist-shaped hole and cooperating with the lower shell.

[0015] Preferably, the pressure strip assembly includes a pressure strip and a fixed block, wherein the fixed block is located at both ends of the pressure strip and fixedly connected to the pressure strip, the pressure strip is fixed to the end plate, and the pressure strip is provided with linearly distributed battery cell explosion-proof valve avoidance holes.

[0016] Preferably, the GMS communication box and the BMS protection plate are fixed on the pressure strip by means of riveted nut columns.

[0017] Beneficial effects of the utility model:

[0018] The utility model provides a truck parking battery pack, which adopts lithium iron phosphate battery cells, solves the problem of large battery pack volume and excessive weight, solves the problem that the phosphoric acid battery cannot be used at low temperatures by a heating plate during use, and the battery can be positioned during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic diagram of the overall explosion structure of a truck parking battery pack.

[0020] Figure 2 The utility model is a schematic diagram of the lower shell structure of a truck parking battery pack.

[0021] Figure 3 The utility model is a schematic diagram of the upper cover structure of a truck parking battery pack.

[0022] Figure 4 This is a schematic structural diagram of another angle of the upper cover of a truck parking battery pack of the utility model.

[0023] Figure 5 The utility model is a schematic diagram of the end plate structure of a truck parking battery pack.

[0024] Figure 6 The utility model is a schematic diagram of the structure of a pressure strip assembly of a truck parking battery pack.

[0025] (1. Lower shell, 2. Heating plate, 3. End plate, 4. BMS protection plate, 5. GMS communication box, 6. Battery, 7. Upper cover, 8. Handle, 9. Reinforcement rib, 10. First limit plate, 11. Annular waterproof tape pasting groove, 12. Positive and negative copper columns, 13. Reinforcement rib, 14. Bending platform, 15. Pressure strip, 16. Fixing block, 17. Avoidance hole of battery explosion-proof valve, 18. Riveted nut column) DETAILED DESCRIPTION

[0026] The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

[0027] As shown in the figure, the utility model provides a truck parking battery pack, which includes a lower shell 1, a heating plate 2, an end plate 3, a BMS protection plate 4, a GMS communication box 5, a battery cell 6, and an upper cover 7. There are multiple battery cells 6, and an insulating plate is provided on the battery cell 6. The multiple battery cells 6 are sequentially connected through the connecting piece inside the insulating plate to form a battery module. The heating plates 2 are provided on both sides of the battery module and are located inside the end plate 3;

[0028] A pressure strip assembly is provided above the end plate 3 and fixed to the pressure strip assembly by riveting screws, and the BMS protection plate 4 and the GMS communication box 5 are located on the pressure strip assembly;

[0029] The upper cover 7 is located above the pressure strip assembly and is fixedly connected to the lower shell 1;

[0030] The battery cell 6 is a lithium iron phosphate battery cell

[0031] Fixedly connected handles 8 are provided at both ends of the top of the lower shell 1, a plurality of linearly distributed first reinforcing ribs 9 are provided on the inner wall of the lower shell 1, shock-absorbing cotton is provided on the reinforcing ribs 9, and first limiting plates 10 are provided on both sides of the inner wall of the lower shell 1.

[0032] An annular waterproof adhesive strip sticking groove 11 is provided on the top of the lower shell 1 and the inner side thereof is stepped. A first threaded hole is provided on the outer side of the annular waterproof adhesive strip sticking groove 11 .

[0033] The upper cover 7 is provided with a protrusion and an avoidance groove corresponding to the annular waterproof tape sticking groove 11, and the protrusion is provided with positive and negative copper columns 12. The upper cover 7 is fixedly connected to the lower shell 1 by screws.

[0034] The top of the upper cover 7 is designed to be thinned and is provided with corresponding reinforcing ribs 13 .

[0035] The end plate 3 is U-shaped, and both sides and the bottom of the end plate 3 are connected to the battery module. Bending platforms 14 are provided on both sides of the end plate 3. The bending platforms 14 are provided with waist-shaped holes and riveted nuts corresponding to the riveting screws. The bending platform 14 is fixed to the lower shell 1 by the first bolt passing through the waist-shaped hole.

[0036] The pressure strip assembly includes a pressure strip 15 and a fixing block 16 . The fixing block 16 is located at both ends of the pressure strip 15 and fixedly connected to the pressure strip 15 . The pressure strip 15 is fixed to the end plate 3 . The pressure strip 15 is provided with linearly distributed battery cell explosion-proof valve avoidance holes 17 .

[0037] The GMS communication box 5 and the BMS protection plate 4 are fixed on the pressure strip 15 by means of riveted nut columns 18 .

[0038] When the utility model is in use, an insulating partition is pasted on the wide surface of the battery cell 6, and the battery cells are connected in series in sequence. The connecting plate assembly includes positive and negative output connection studs, and the temperature and voltage collection components are welded to form a battery module; after the insulating plate is pasted on the surface of the battery module in contact with the end plate 3, it is placed inside the end plate 3, and the two sides of the end plate 3 limit the displacement of the upper end of the battery module. At the same time, the end plate is tightened to limit the expansion of the battery module. The heating plates 2 are pasted on both sides of the long direction of the battery module, and the plastic steel belts are tied to further restrain the expansion of the battery cells. The heating plate 2 works to prevent the phosphoric acid battery from being unusable at low temperatures. The end plate with the battery module is placed in the lower shell 1 and fixed by the first bolt penetrating the waist-shaped hole and cooperating with the lower shell 1. Shock-absorbing foam is pasted on the reinforcing ribs 9 in the lower shell 1 to limit the displacement on both sides of the battery module. The first limit plate is used to limit the displacement of the two end faces of the battery module. The inner wall of the top of the upper cover 7 is thinned, and then a reinforcing rib 13 is set. The thinning of the top of the upper cover 7 not only saves materials but also facilitates the communication of the GMS communication box 5. The battery is positioned through the GMS communication box 5 during use. Threaded holes are opened in the positive and negative copper columns 12 to fix the power harness. The outside of the copper column cover is divided into a columnar structure with a conical protrusion, which is used to fix the external power harness. The battery cell explosion-proof valve avoidance hole (504) is provided on the pressure strip 15, which also has the effect of reducing weight. At the same time, it is fixed on the end plate 3 to further limit the expansion of the battery cell.

[0039] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A truck parking battery pack, comprising a lower shell (1), a heating plate (2), an end plate (3), a BMS protection plate (4), a GMS communication box (5), a battery cell (6), and an upper cover (7), characterized in that: There are a plurality of battery cells (6), an insulating plate is provided on the battery cells (6), and the plurality of battery cells (6) are sequentially connected via connecting sheets inside the insulating plate to form a battery module, and heating plates (2) are provided on both sides of the battery module and are located inside the end plate (3); A pressure strip assembly is provided above the end plate (3) and is fixed to the pressure strip assembly by means of riveting screws, and the BMS protection plate (4) and the GMS communication box (5) are located on the pressure strip assembly; The upper cover (7) is located above the pressure strip assembly and is fixedly connected to the lower shell (1); The battery cell (6) is a lithium iron phosphate battery cell.

2. A truck parking battery pack according to claim 1, characterized in that: The two ends of the top of the lower shell (1) are provided with fixedly connected handles (8), the inner wall of the lower shell (1) is provided with a plurality of linearly distributed first reinforcing ribs (9), the reinforcing ribs (9) are provided with shock-absorbing cotton, and first limiting plates (10) are provided on both sides of the inner wall of the lower shell (1).

3. The truck parking battery pack according to claim 1, characterized in that: An annular waterproof adhesive strip sticking groove (11) is provided on the top of the lower shell (1) and is stepped on the inner side. A first threaded hole is provided on the outer side of the annular waterproof adhesive strip sticking groove (11).

4. A truck parking battery pack according to claim 3, characterized in that: The upper cover (7) is provided with a protrusion and an avoidance groove corresponding to the annular waterproof adhesive strip sticking groove (11); the protrusion is provided with positive and negative copper columns (12); and the upper cover (7) and the lower shell (1) are fixedly connected by screws.

5. The truck parking battery pack according to claim 1, characterized in that: The top of the upper cover (7) is designed to be thinned and is provided with corresponding reinforcing ribs (13).

6. The truck parking battery pack according to claim 1, characterized in that: The end plate (3) is U-shaped, and both sides and the bottom of the end plate (3) are connected to the battery module. Bending platforms (14) are provided on both sides of the end plate (3). The bending platforms (14) are provided with waist-shaped holes and riveting nuts corresponding to riveting screws. The bending platforms (14) are fixed to the lower shell (1) by means of a first bolt passing through the waist-shaped holes and cooperating with each other.

7. The truck parking battery pack according to claim 1, characterized in that: The pressure strip assembly comprises a pressure strip (15) and a fixing block (16); the fixing block (16) is located between two ends of the pressure strip (15) and is fixedly connected to the pressure strip (15); the pressure strip (15) is fixed to the end plate (3); and the pressure strip (15) is provided with linearly distributed battery cell explosion-proof valve avoidance holes (17).

8. The truck parking battery pack according to claim 7, characterized in that: The GMS communication box (5) and the BMS protection plate (4) are fixed on the pressure strip (15) by means of riveted nut columns (18).

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