Radiator shields for automotive new energy battery packs and engine cooling systems

Abstract

This invention relates to a radiator shroud for a new energy vehicle battery pack and engine cooling system, belonging to the field of automotive cooling technology. It includes a motor mounting hub and a fan shroud inner ring. The inner ring shroud features multiple V-shaped grooves designed to facilitate airflow and improve airflow efficiency. Twelve supporting spokes are distributed circumferentially along the motor mounting hub, with each pair of adjacent spokes having a different included angle. The twelve non-equidistantly distributed supporting spokes optimize the airflow path, and combined with the guiding effect of the V-shaped grooves in the inner ring shroud, reduce airflow resistance, ensuring more airflow through the radiator and motor, significantly improving heat dissipation. The non-equidistant spoke design avoids airflow resonance, and the optimized angles of the spokes' windward and leeward sides reduce noise generated by airflow turbulence, improving the quietness of the vehicle.

Description

Technical Field

[0001] This invention relates to the field of automotive cooling technology, specifically to a radiator shroud for a new energy vehicle battery pack and engine cooling system. Background Technology

[0002] Cooling fan shrouds are key components of the cooling systems for new energy vehicle battery packs and gasoline vehicle engines. Their main functions include: safety protection (preventing fingers or objects from touching the rotating fan blades), airflow control (guiding airflow along a specific path to improve heat dissipation efficiency), dust prevention and cleaning (blocking dust and debris from entering the fan), preventing foreign object inhalation (avoiding the fan from contacting or inhaling foreign objects), and improving fan efficiency (ensuring that all airflow passes through the radiator).

[0003] However, existing wind shields have many shortcomings:

[0004] 1. Affects heat dissipation: Improper design or installation can obstruct airflow, leading to reduced heat dissipation efficiency and potentially causing overheating and damage to the equipment;

[0005] 2. Increased maintenance difficulty: Some wind shields have complex structures, making disassembly and installation cumbersome, thus increasing maintenance costs and time;

[0006] 3. Safety hazards exist: Improper installation location is susceptible to external forces, which may cause the wind shield to fall off or be damaged, resulting in personal injury or equipment damage;

[0007] 4. Affects appearance and cleaning: It easily accumulates dust and debris, increasing the difficulty and frequency of cleaning, and may also damage the overall appearance of the equipment. Summary of the Invention

[0008] The present invention aims to solve the above-mentioned technical problems by providing a radiator shroud for a new energy vehicle battery pack and engine cooling system.

[0009] To solve the above-mentioned technical problems, the technical solution provided by the present invention is as follows:

[0010] A radiator shroud for a new energy vehicle battery pack and engine cooling system includes a motor mounting hub and a fan shroud inner ring.

[0011] Twelve supporting spokes for airflow and heat dissipation are installed between the motor mounting hub and the inner ring of the fan shroud.

[0012] Two sets of inner ring guard plates are installed on the motor mounting hub;

[0013] The inner rim guard plate of the wheel hub has multiple sets of V-shaped grooves to facilitate airflow and improve airflow efficiency.

[0014] The twelve supporting and fixing spokes are distributed circumferentially along the motor mounting hub, and the included angle between any two adjacent supporting and fixing spokes is different.

[0015] The supporting fixed spoke includes a windward side and a leeward side of the supporting fixed spoke;

[0016] The two ends of the supporting and fixing spoke are rounded, and the straight-line distance between the centers of the two ends of the supporting and fixing spoke is 37.5-42.5mm. The angle between the centers of the two ends of the supporting and fixing spoke is 12.5-17.5°, and the thickness of the supporting and fixing spoke is 5-7mm.

[0017] Preferably, the inner rim guard plate has six sets of V-shaped grooves, and the included angle of the V-shaped grooves is 60°.

[0018] Preferably, the included angles between the twelve supporting spokes are 32°±5°, 29°±5°, 26°±5°, 38°±5°, 26°±5°, 30°±5°, 32°±5°, 29°±5°, 26°±5°, 39°±5°, 25°±5° and 28°±5° respectively.

[0019] Preferably, an outer wind shield fan wind shield is installed on the outside of the inner wind shield of the wind shield fan, and the outer wind shield fan wind shield is provided with a semi-circular reinforcing rib and a vertical reinforcing rib.

[0020] Preferably, the semi-circular reinforcing ribs are distributed circumferentially along the outer ring of the fan windshield, and the vertical reinforcing ribs extend radially along the outer ring of the fan windshield.

[0021] Preferably, the semi-circular reinforcing ribs and vertical reinforcing ribs are intersected and connected to form a grid-like reinforcing structure.

[0022] Preferably, the motor mounting hub is provided with a wire harness fixing U-shaped groove for fixing the wire harness, and a wire harness mounting and fixing slot for fixing the wire harness is installed on the supporting fixing spoke near the wire harness fixing U-shaped groove.

[0023] Preferably, a motor mounting plate is installed on the motor mounting hub and on both sides of the inner ring guard plate of the hub, and the motor mounting plate has positioning holes for motor mounting and fixing.

[0024] With the above structure, the present invention has the following advantages:

[0025] 1. Significantly improved heat dissipation efficiency: The airflow path is optimized by twelve non-uniformly distributed support spokes, which, together with the airflow guiding effect of the V-shaped groove of the inner ring guard plate, reduces airflow resistance and ensures that more airflow passes through the radiator and motor, greatly improving the heat dissipation effect;

[0026] 2. Improved ease of maintenance: The simplified installation structure and reasonable positioning hole design make the disassembly and installation of the wind shield easier, reducing the workload of maintenance personnel and reducing maintenance time and costs;

[0027] 3. Enhanced safety: The three-dimensional reinforced structure formed by the semi-circular reinforcing ribs and vertical reinforcing ribs improves the windshield's resistance to deformation and structural stability, adapts to the complex operating environment of automobiles, and reduces the risk of detachment or damage.

[0028] 4. Noise reduction: The non-equidistant spoke design avoids airflow resonance. Combined with the optimized angle of the windward and leeward sides of the spokes, it reduces noise generated by airflow turbulence and improves the quietness of the car's driving.

[0029] 5. Reduced cleaning difficulty: The V-shaped grooves and smooth airflow path of the inner wheel rim guard plate reduce the accumulation of dust and debris, reducing the frequency and difficulty of cleaning and saving cleaning costs.

[0030] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a first structural schematic diagram of the present invention;

[0033] Figure 2 This is a schematic diagram of the second structure of the present invention;

[0034] Figure 3 This is the front view of the present invention;

[0035] Figure 4 This is a cross-sectional view of the support and fixing spokes of the present invention;

[0036] Figure 5 This is a schematic diagram of the airflow of the present invention.

[0037] As shown in the figure: 1. Motor mounting hub; 2. Support and fixing spokes; 3. Mounting positioning hole; 4. Wiring harness fixing U-shaped groove; 5. Positioning hole; 6. Inner ring guard plate of the hub; 7. Motor mounting fixing plate; 8. Windshield fan windshield outer ring; 9. Semi-circular arc reinforcing rib; 10. Wiring harness mounting fixing slot; 11. Vertical reinforcing rib; 12. Windshield fan windshield inner ring; 13. Inner ring guard plate V-shaped groove of the hub; 14. Mounting fixing groove; 15. Support and fixing spoke leeward side; 16. Support and fixing spoke windward side. Detailed Implementation

[0038] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0039] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0040] The present invention will now be described in further detail with reference to the full text.

[0041] Combined with appendix Figures 1-5 A radiator shroud for a new energy vehicle battery pack and engine cooling system includes a motor mounting hub 1 and a fan shroud inner ring 12.

[0042] Twelve supporting and fixing spokes 2 for guiding air and dissipating heat are installed between the motor mounting hub 1 and the inner ring 12 of the fan shroud.

[0043] Two sets of inner wheel ring guards 6 are installed on the motor mounting hub 1;

[0044] Multiple sets of V-shaped grooves 13 are provided on the inner ring guard plate 6 of the wheel hub to facilitate airflow and improve airflow efficiency;

[0045] In specific implementations of this invention, such as Figure 4As shown, the supporting fixed spoke 2 includes a windward side 16 and a leeward side 15. The radius of the leeward side 15 can be 51-52mm, preferably 51.6mm. The two ends of the supporting fixed spoke 2 are rounded, and the straight-line distance L between the centers of the two ends of the supporting fixed spoke 2 is 37.5-42.5mm, preferably 40mm. The angle b between the centers of the two ends of the supporting fixed spoke 2 is 12.5-17.5°, preferably 15°. The thickness a of the supporting fixed spoke 2 is 5-7mm, preferably 6.4mm. It is adapted to the air inflow direction and the air outflow direction. The windward side 16 of the supporting fixed spoke is set to adapt to the air inflow direction; the leeward side 15 of the supporting fixed spoke is set to adapt to the air outflow direction and reduce the resistance generated by airflow impact, thereby improving the air volume utilization rate.

[0046] The inner rim guard plate has six sets of V-shaped grooves 13, and the included angle of the V-shaped grooves 13 is 60°. They are evenly distributed circumferentially to guide airflow to the motor surface.

[0047] In specific implementations of this invention, such as Figures 1-3 As shown, twelve supporting spokes 2 are distributed circumferentially along the motor mounting hub 1, and the included angle between any two adjacent supporting spokes 2 is different from each other; the included angles between the twelve supporting spokes 2 are 32°±5°, 29°±5°, 26°±5°, 38°±5°, 26°±5°, 30°±5°, 32°±5°, 29°±5°, 26°±5°, 39°±5°, 25°±5° and 28°±5° in sequence. Preferably, the included angles are 32°, 29°, 26°, 38°, 26°, 30°, 32°, 29°, 26°, 39°, 25° and 28° in sequence. The included angles are set to adapt to the airflow direction, further reduce wind resistance, improve air volume utilization, and the angles are distributed alternately to avoid airflow resonance.

[0048] In specific implementations of this invention, such as Figures 1-3 As shown, an outer ring 8 is installed on the outside of the inner ring 12 of the fan shield. The outer ring 8 is provided with a semi-circular reinforcing rib 9 and a vertical reinforcing rib 11. The semi-circular reinforcing rib 9 is distributed around the outer ring 8, and the vertical reinforcing rib 11 extends radially along the outer ring 8. The semi-circular reinforcing rib 9 and the vertical reinforcing rib 11 are intersected and connected to form a grid-like reinforcing structure. The intersecting connection forms a grid structure, which improves the deformation resistance of the outer ring, significantly improves the overall strength of the fan shield, effectively resists the stress generated by high temperature environment and long-term operation, and avoids deformation or damage.

[0049] In specific implementations of this invention, such as Figures 1-3As shown, the motor mounting hub 1 is provided with a wire harness fixing U-shaped groove 4 for fixing the wire harness, and the support fixing spoke 2 near the wire harness fixing U-shaped groove 4 is provided with a wire harness mounting fixing slot 10 for fixing the wire harness. The connection between the wire harness fixing U-shaped groove 4 and the wire harness mounting fixing slot 10 is used to fix the direction of the wire harness and prevent the wire harness from interfering with the airflow.

[0050] Motor mounting plates 7 are installed on the wheel hub 1 and on both sides of the inner ring guard plate 6 of the wheel hub. Positioning holes 5 for motor mounting and fixing are opened on the motor mounting plates 7.

[0051] In a specific implementation of the present invention, one end of the inner ring 12 of the fan shroud is equipped with a fan shroud mounting ring for connecting external products. The fan shroud mounting ring is provided with mounting positioning holes 3 and mounting grooves 14 for connecting with external products. There are two sets of mounting grooves 14 and at least four sets of mounting positioning holes 3. The thickness of the mounting plate is 15.3 mm, and the total thickness of the radiator fan shroud of the present invention is 55.3 mm.

[0052] During installation, the wind shield in this embodiment is fixed to the vehicle's cooling system via the mounting positioning holes 3. The motor is fixed to the motor mounting plate 7 via the motor mounting positioning holes 5. The wiring harness is inserted into the wiring harness fixing U-shaped groove 4 and the wiring harness mounting fixing slot 10. When the fan is running, the airflow enters along the windward side 16 of the supporting fixed spokes, is guided by the V-shaped groove 13 of the inner ring guard plate of the hub, flows through the motor and radiator, and then flows out from the leeward side 15 of the supporting fixed spokes, achieving efficient heat dissipation. The reinforcing rib structure ensures that the wind shield can operate without deformation in environments ranging from -40℃ to 120℃ for a long time, meeting the requirements for automotive use.

[0053] The airflow velocity under high static pressure is more advantageous, and the present invention is 1%-3% higher than that of traditional wind shields;

[0054] The airflow output efficiency under high static pressure is 1%-3% higher than that of traditional wind shields.

[0055] Under normal structural strength conditions, the supporting strength of this invention is 2%-4% higher than that of traditional windshields.

[0056] In terms of heat deformation strength at high temperatures, the present invention exhibits a 2%-4% higher capacity to withstand heat deformation compared to traditional wind shields.

[0057] Under normal conditions, vibrations in six directions (X, Y, Z) on different planes have a greater advantage in terms of lifespan without deformation, which is 2%-4% longer than that of traditional wind shields.

[0058] This invention provides a wind shield for cooling fan systems of battery packs in new energy vehicles and engines in fuel vehicles, in order to solve the problems of low heat dissipation efficiency, complex maintenance, poor safety and difficult cleaning of existing wind shields, and achieve the goals of improving heat dissipation, reducing maintenance costs, enhancing safety and optimizing cleaning performance.

[0059] The present invention and its embodiments have been described above. This description is not restrictive, and the embodiments shown throughout are only one of the embodiments of the present invention. The actual structure is not limited to this. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A radiator shroud for a new energy vehicle battery pack and engine cooling system, characterized in that, Includes motor mounting hub (1) and fan guard inner ring (12); Twelve supporting and fixing spokes (2) for guiding air and dissipating heat are installed between the motor mounting hub (1) and the inner ring of the fan shroud (12); Two sets of inner ring guard plates (6) are installed on the motor mounting hub (1); The inner rim guard plate (6) of the wheel hub has multiple sets of V-shaped grooves (13) to facilitate airflow and improve airflow efficiency; The twelve supporting and fixing spokes (2) are distributed circumferentially along the motor mounting hub (1), and the included angle between any two adjacent supporting and fixing spokes (2) is different from each other; The supporting fixed spoke (2) includes a windward side (16) and a leeward side (15) of the supporting fixed spoke; The two ends of the supporting and fixing spoke (2) are rounded, and the straight-line distance between the centers of the two ends of the supporting and fixing spoke (2) is 37.5-42.5mm. The angle between the centers of the two ends of the supporting and fixing spoke (2) is 12.5-17.5°. The thickness of the supporting and fixing spoke (2) is 5-7mm.

2. The radiator shroud for the automotive new energy battery pack and engine cooling system according to claim 1, characterized in that: The inner rim guard plate has six sets of V-shaped grooves (13), and the included angle of the inner rim guard plate V-shaped grooves (13) is 60°.

3. The radiator shroud for the automotive new energy battery pack and engine cooling system according to claim 1, characterized in that: The included angles between the twelve supporting and fixing spokes (2) are 32°±5°, 29°±5°, 26°±5°, 38°±5°, 26°±5°, 30°±5°, 32°±5°, 29°±5°, 26°±5°, 39°±5°, 25°±5° and 28°±5° respectively.

4. The radiator shroud for the automotive new energy battery pack and engine cooling system according to claim 1, characterized in that: The outer side of the inner wind shield of the fan (12) is equipped with an outer wind shield of the fan (8), and the outer side of the outer wind shield of the fan (8) is provided with a semi-circular reinforcing rib (9) and a vertical reinforcing rib (11).

5. The radiator shroud for the automotive new energy battery pack and engine cooling system according to claim 4, characterized in that: The semi-circular reinforcing ribs (9) are distributed circumferentially along the outer ring (8) of the fan wind shield, and the vertical reinforcing ribs (11) extend radially along the outer ring (8) of the fan wind shield.

6. The radiator shroud for the automotive new energy battery pack and engine cooling system according to claim 4, characterized in that: The semi-circular reinforcing rib (9) and the vertical reinforcing rib (11) are intersected to form a grid-like reinforcing structure.

7. The radiator shroud for the automotive new energy battery pack and engine cooling system according to claim 1, characterized in that: The motor mounting hub (1) is provided with a wire harness fixing U-shaped groove (4) for fixing the wire harness, and a wire harness mounting fixing slot (10) for fixing the wire harness is installed on the support fixing spoke (2) near the wire harness fixing U-shaped groove (4).

8. The radiator shroud for the automotive new energy battery pack and engine cooling system according to claim 1, characterized in that: Motor mounting plates (7) are installed on the motor mounting hub (1) and on both sides of the inner ring guard plate (6) of the hub. Positioning holes (5) for motor mounting and fixing are provided on the motor mounting plates (7).

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