New energy battery pack with uniform heat dissipation

Abstract

The utility model discloses a new energy battery pack with uniform heat dissipation, which relates to the technical field of new energy automobiles and comprises a battery pack storage rack base and partition heat dissipation pieces, battery pack storage rack side plates are fixedly connected to the outer walls of the four sides of the battery pack storage rack base, and wear-resistant pads are connected to the outer walls of the side faces of the battery pack storage rack side plates. A heat dissipation groove and a positioning mounting hole are formed in the battery pack storage rack base, the partition heat dissipation piece is arranged on the outer wall of the wear-resistant pad, and a battery pack storage rack side plate is arranged on the side of the partition heat dissipation piece. According to the new energy battery pack with uniform heat dissipation, the wear-resistant pad can play a role in skid resistance and wear resistance, the heat dissipation grooves can enable the bottom of the battery pack to ventilate and dissipate heat and prevent the temperature of the bottom from being too high, the air blower extracts external cold air, the external cold air enters the heat dissipation air ducts and is discharged from the air outlets, and the heat dissipation air ducts are distributed in a wavy shape. And the passing time of cold air in the partition heat dissipation piece is prolonged, so that the outer wall between the batteries is prevented from being overheated.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicles, in particular to a new energy battery pack with uniform heat dissipation. Background Art

[0002] The main types of batteries for new energy vehicles are: lithium-ion batteries, nickel-metal hydride batteries, fuel cells, lead-acid batteries, and supercapacitors. In pure electric vehicles, power batteries are the only source of power for the vehicle. The level of battery power determines the mileage of the electric vehicle. After long-term use, the temperature of new energy batteries rises, and the heat dissipation effect between new energy battery packs is poor.

[0003] Existing new energy battery packs are usually arranged in battery arrays. When the batteries are discharged at a high rate, the battery in the middle is wrapped by the batteries on both sides and tends to have a higher temperature than the batteries on both sides, resulting in uneven heat dissipation, which will affect the battery life over time.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a new energy battery pack with uniform heat dissipation is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a new energy battery pack with uniform heat dissipation to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a new energy battery pack with uniform heat dissipation, comprising a battery pack storage rack base and a partitioning heat sink, the four side outer walls of the battery pack storage rack base are fixedly connected with the battery pack storage rack side panels, and the top outer wall of the battery pack storage rack base is provided with a wear-resistant pad, the side outer walls of the battery pack storage rack side panels are connected with the wear-resistant pad, a heat dissipation groove and a positioning mounting hole are opened inside the battery pack storage rack base, and the positioning mounting holes are provided on the left and right sides of the heat dissipation groove, the partitioning heat sink is provided on the outer wall of the wear-resistant pad, and the bottom outer wall of the partitioning heat sink is adapted to the outer wall of the positioning mounting hole, and the side of the partitioning heat sink is provided with a battery pack storage rack side panel.

[0007] Furthermore, the heat dissipation slot is in a rectangular shape, and three heat dissipation slots are provided.

[0008] Furthermore, the side outer wall of the battery pack storage rack side panel is provided with a limit installation component for limit installation, and the limit installation component includes a positioning groove and a positioning key. The inside of the battery pack storage rack side panel is provided with a positioning groove, and the inside of the positioning groove is snap-connected with a positioning key.

[0009] Furthermore, the position limiting installation assembly also includes a return spring and a connecting rod. The outer wall of the side plate of the battery pack storage rack is connected to the return spring, and the outer wall of the end of the return spring is connected to the connecting rod.

[0010] Furthermore, the position limiting installation assembly also includes a first telescopic rod and a second telescopic rod, the first telescopic rod is fixed to the outer wall of the connecting rod, and the second telescopic rod is slidably connected to the outer wall of the first telescopic rod.

[0011] Furthermore, the outer wall of the partition heat sink is provided with a heat dissipation assembly for heat dissipation, and the heat dissipation assembly includes a blower, a heat dissipation duct and an air outlet, the bottom of the blower is connected to the heat dissipation duct, and the end of the heat dissipation duct is connected to the air outlet.

[0012] Furthermore, the air outlet is opened on the side outer wall of the partition heat sink, and the height of the top outer wall of the partition heat sink is higher than the height of the top outer wall of the side plate of the battery pack storage rack.

[0013] Furthermore, the front outer wall and the rear outer wall of the partitioned heat sink are provided with heat conducting plates, and the vertical center axis of the partitioned heat sink is consistent with the vertical center axis of the heat conducting plates.

[0014] The utility model provides a new energy battery pack with uniform heat dissipation, which has the following beneficial effects:

[0015] 1. The new energy battery pack with uniform heat dissipation has a wear-resistant pad that can prevent slipping and wear, and a heat dissipation groove that can ventilate and dissipate heat at the bottom of the battery pack to prevent the bottom temperature of the battery pack from being too high. The heat dissipation element is arranged between the batteries to play a separation role, and a plurality of positioning and mounting holes are provided. A maximum of five heat dissipation elements can be installed, so that the installation position of the heat dissipation element can be selected according to the thickness of the battery, thereby increasing the practicality of the device.

[0016] 2. In the new energy battery pack with uniform heat dissipation, the blower draws external cold air into the heat dissipation duct and is discharged from the air outlet. The heat dissipation duct is distributed in a wave shape inside the partition heat sink, which prolongs the time that the cold air spends inside the partition heat sink and increases the contact area of ​​the cold air, making it easier to dissipate heat for the partition heat sink, thereby preventing the outer wall between the batteries from overheating. Partition heat sinks are provided between the batteries to achieve uniform heat dissipation of the batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the top view of a new energy battery pack with uniform heat dissipation according to the utility model;

[0018] Figure 2 This is a front view structural diagram of a new energy battery pack with uniform heat dissipation according to the utility model;

[0019] Figure 3 The utility model is a new energy battery pack with uniform heat dissipation Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of a separated heat dissipating element of a new energy battery pack with uniform heat dissipation according to the utility model.

[0021] In the figure: 1. battery pack storage rack base; 2. battery pack storage rack side panel; 3. wear-resistant pad; 4. heat dissipation groove; 5. positioning installation hole; 6. partition heat dissipation element; 7. limit installation assembly; 701. positioning groove; 702. positioning key; 703. return spring; 704. connecting rod; 705. first telescopic rod; 706. second telescopic rod; 8. heat dissipation assembly; 801. blower; 802. heat dissipation air duct; 803. air outlet; 9. heat conductive sheet. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] like Figure 1-Figure 4 As shown, a new energy battery pack with uniform heat dissipation includes a battery pack storage rack base 1 and a partition heat sink 6, the four side outer walls of the battery pack storage rack base 1 are fixedly connected with the battery pack storage rack side panels 2, and the top outer wall of the battery pack storage rack base 1 is provided with a wear-resistant pad 3, the side outer wall of the battery pack storage rack side panel 2 is connected with the wear-resistant pad 3, the battery pack storage rack base 1 is provided with a heat dissipation groove 4 and a positioning installation hole 5, and the left and right sides of the heat dissipation groove 4 are provided with the positioning installation hole 5, the partition heat sink 6 is provided on the outer wall of the wear-resistant pad 3, and the bottom outer wall of the partition heat sink 6 is matched with the outer wall of the positioning installation hole 5, the battery pack storage rack side panel 2 is provided on the side of the partition heat sink 6, the heat dissipation groove 4 is rectangular, and three heat dissipation grooves 4 are provided;

[0024] The specific operation is as follows: the battery pack storage rack base 1 and the battery pack storage rack side plate 2 form a complete battery pack accommodating space, the wear-resistant pad 3 covers the top outer wall of the battery pack storage rack base 1 and does not cover the top of the heat dissipation slot 4 and the positioning installation hole 5, and the battery pack is placed on the top of the wear-resistant pad 3. The wear-resistant pad 3 can play a role in anti-slip and wear resistance. The heat dissipation slot 4 can ventilate and dissipate the bottom of the battery pack to prevent the bottom temperature of the battery pack from being too high;

[0025] The partition heat sink 6 is mounted above the battery pack storage rack base 1 by being snap-connected with the positioning installation hole 5. The positioning installation hole 5 positions the partition heat sink 6. The partition heat sink 6 is arranged between the batteries to play a separation role. There are a plurality of positioning installation holes 5. A maximum of five partition heat sinks 6 can be installed, so that the installation position of the partition heat sink 6 can be selected according to the thickness of the battery, thereby increasing the practicality of the device.

[0026] like Figure 1-Figure 4 As shown, the side outer wall of the battery pack storage rack side plate 2 is provided with a limit installation component 7 for limit installation, and the limit installation component 7 includes a positioning groove 701 and a positioning key 702, the interior of the battery pack storage rack side plate 2 is provided with a positioning groove 701, and the interior of the positioning groove 701 is snap-connected with the positioning key 702, the limit installation component 7 also includes a reset spring 703 and a connecting rod 704, the outer wall of the battery pack storage rack side plate 2 is connected with the reset spring 703, and the outer wall of the end of the reset spring 703 is connected with the connecting rod 704, the limit installation component 7 also includes a first telescopic rod 705 and a second telescopic rod 706, the outer wall of the connecting rod 704 is fixed with the first telescopic rod 705, and the second telescopic rod 706 is fixed with the first telescopic rod 705. The outer wall of a telescopic rod 705 is slidably connected to a second telescopic rod 706, and the outer wall of the partition heat sink 6 is provided with a heat dissipation assembly 8 for heat dissipation, and the heat dissipation assembly 8 includes a blower 801, a heat dissipation duct 802 and an air outlet 803, the bottom of the blower 801 is connected to the heat dissipation duct 802, and the end of the heat dissipation duct 802 is connected to the air outlet 803, the air outlet 803 is opened on the side outer wall of the partition heat sink 6, and the height of the top outer wall of the partition heat sink 6 is higher than the height of the top outer wall of the battery pack storage rack side plate 2, the front outer wall and the rear outer wall of the partition heat sink 6 are provided with a heat conductive sheet 9, and the vertical center axis of the partition heat sink 6 is consistent with the vertical center axis of the heat conductive sheet 9;

[0027] The specific operation is as follows: the two ends of the heat separation member 6 are fixed by the positioning keys 702. Before installing the heat separation member 6, the second telescopic rod 706 is started, and the first telescopic rod 705 slides outward on the outer wall of the end of the second telescopic rod 706, and the first telescopic rod 705 drives the connecting rod 704 to move outward, and the connecting rod 704 drives the positioning key 702 to move outward, and the positioning key 702 slides out inside the positioning groove 701, and the return spring 703 is stretched to engage and connect the bottom of the heat separation member 6 with the positioning installation hole 5, and the first telescopic rod 705 slides inward on the outer wall of the end of the second telescopic rod 706, and the connecting rod 704 drives the positioning key 702 to move inward, and the end of the positioning key 702 enters the positioning groove 701, and enters the battery pack storage rack base 1, the wear-resistant pad 3 and the heat separation member 6 in turn, so as to achieve the fixed position of the heat separation member 6 and facilitate the disassembly and maintenance of the heat separation member 6;

[0028] The front outer wall and the rear outer wall of the partition heat sink 6 are both in close contact with the outer wall of the battery. The battery will emit heat when working. The heat enters the interior of the partition heat sink 6 through the conduction of the heat conductive sheet 9. The blower 801 is started, and the blower 801 draws external cold air into the heat dissipation duct 802 and is discharged from the air outlet 803. The heat dissipation duct 802 is distributed in a wave shape inside the partition heat sink 6, which prolongs the time that the cold air spends inside the partition heat sink 6 and increases the contact area of ​​the cold air, which facilitates the heat dissipation of the partition heat sink 6, thereby preventing the outer wall between the batteries from overheating. Partition heat sinks 6 are provided between the batteries to achieve uniform heat dissipation of the batteries.

[0029] In summary, if Figure 1-Figure 4 As shown, when the new energy battery pack with uniform heat dissipation is used, first, the battery pack storage rack base 1 and the battery pack storage rack side plate 2 form a complete battery pack accommodating space, and the battery pack is placed on the top of the wear-resistant pad 3. The wear-resistant pad 3 can play a role of anti-slip and wear-resistant. The heat dissipation groove 4 can ventilate and dissipate the heat at the bottom of the battery pack to prevent the bottom temperature of the battery pack from being too high. The partition heat sink 6 is installed above the battery pack storage rack base 1 by being snap-connected with the positioning installation hole 5. The partition heat sink 6 is arranged between the batteries, and the positioning installation hole 5 is provided with a plurality of partition heat sinks 6. A maximum of five partition heat sinks 6 can be installed, so that the installation position of the partition heat sink 6 can be selected according to the thickness of the battery, thereby increasing the practicality of the device;

[0030] Before installing the partition heat sink 6, the second telescopic rod 706 is started, and the first telescopic rod 705 slides outward on the outer wall of the end of the second telescopic rod 706, and the first telescopic rod 705 drives the connecting rod 704 to move outward, and the connecting rod 704 drives the positioning key 702 to move outward, and the positioning key 702 slides out inside the positioning groove 701, and the return spring 703 is stretched, and the bottom of the partition heat sink 6 is engaged with the positioning installation hole 5. After the first telescopic rod 705 slides inward on the outer wall of the end of the second telescopic rod 706, the connecting rod 704 drives the positioning key 702 to move inward, and the positioning key 70 2 enters the positioning groove 701, and enters the interior of the battery pack storage rack base 1, the wear-resistant pad 3 and the partition heat sink 6 in turn, so as to achieve the fixed position of the partition heat sink 6. The front outer wall and the rear outer wall of the partition heat sink 6 are both close to the outer wall of the battery. The battery will emit heat when working, and the heat is conducted through the heat conductive sheet 9 and enters the interior of the partition heat sink 6. The blower 801 is started, and the blower 801 draws external cold air into the heat dissipation duct 802 and is discharged from the air outlet 803. The heat dissipation duct 802 is distributed in a wave shape inside the partition heat sink 6 to facilitate the heat dissipation of the partition heat sink 6.

[0031] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A new energy battery pack with uniform heat dissipation, comprising a battery pack storage rack base (1) and a partition heat dissipation element (6), characterized in that: The four side outer walls of the battery pack storage rack base (1) are fixedly connected to the battery pack storage rack side panels (2), and the top outer wall of the battery pack storage rack base (1) is provided with a wear-resistant pad (3), the side outer walls of the battery pack storage rack side panels (2) are connected to the wear-resistant pad (3), the interior of the battery pack storage rack base (1) is provided with a heat dissipation groove (4) and a positioning installation hole (5), and the positioning installation holes (5) are provided on the left and right sides of the heat dissipation groove (4), the partition heat dissipation element (6) is provided on the outer wall of the wear-resistant pad (3), and the bottom outer wall of the partition heat dissipation element (6) is adapted to the outer wall of the positioning installation hole (5), and the battery pack storage rack side panels (2) are provided on the sides of the partition heat dissipation element (6).

2. A new energy battery pack with uniform heat dissipation according to claim 1, characterized in that: The heat dissipation groove (4) is in the shape of a rectangular parallelepiped, and three heat dissipation grooves (4) are provided.

3. A new energy battery pack with uniform heat dissipation according to claim 1, characterized in that: The side outer wall of the battery pack storage rack side plate (2) is provided with a limit installation assembly (7) for limit installation, and the limit installation assembly (7) comprises a positioning groove (701) and a positioning key (702). The battery pack storage rack side plate (2) is provided with a positioning groove (701) inside, and the positioning groove (701) is snap-connected with the positioning key (702) inside.

4. A new energy battery pack with uniform heat dissipation according to claim 3, characterized in that: The position limiting installation assembly (7) further comprises a return spring (703) and a connecting rod (704); the outer wall of the battery pack storage rack side plate (2) is connected to the return spring (703), and the outer wall of the end of the return spring (703) is connected to the connecting rod (704).

5. A new energy battery pack with uniform heat dissipation according to claim 4, characterized in that: The position limiting installation assembly (7) further comprises a first telescopic rod (705) and a second telescopic rod (706); the first telescopic rod (705) is fixed to the outer wall of the connecting rod (704); and the second telescopic rod (706) is slidably connected to the outer wall of the first telescopic rod (705).

6. A new energy battery pack with uniform heat dissipation according to claim 1, characterized in that: The outer wall of the partitioned heat sink (6) is provided with a heat dissipation assembly (8) for dissipating heat, and the heat dissipation assembly (8) comprises a blower (801), a heat dissipation air duct (802) and an air outlet (803), the bottom of the blower (801) is connected to the heat dissipation air duct (802), and the end of the heat dissipation air duct (802) is connected to the air outlet (803).

7. A new energy battery pack with uniform heat dissipation according to claim 6, characterized in that: The air outlet (803) is provided on the side outer wall of the partition heat sink (6), and the height of the top outer wall of the partition heat sink (6) is higher than the height of the top outer wall of the battery pack storage rack side plate (2).

8. The new energy battery pack with uniform heat dissipation according to claim 1, characterized in that: The front outer wall and the rear outer wall of the partition heat sink (6) are provided with heat conducting plates (9), and the vertical center axis of the partition heat sink (6) is consistent with the vertical center axis of the heat conducting plates (9).

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