Heat dissipation structure of driving assembly

Abstract

The utility model provides a heat dissipation structure of a driving assembly, and belongs to the field of module motors. The problem of how to improve the heat dissipation efficiency of the driving assembly is solved. A heat dissipation structure of a driving assembly comprises a main body and a cover plate located above the main body, an integrated motor and a battery bin are arranged in the main body, the cover plate is arranged above the battery bin in a covering mode, and an air inlet and an air outlet formed by the cover plate and the main body in a matched mode are formed in the two ends of the main body respectively. The integrated motor is internally provided with an impeller opposite to the battery bin and heat dissipation channels located on the two sides of the impeller, the heat dissipation channels are communicated with the outside through air outlets, and when the integrated motor drives the impeller to rotate, air enters from the air inlets, penetrates through the heat dissipation grooves in the battery bin and is exhausted from the air outlets. The air sequentially flows through the battery compartment and the integrated motor, and the velocity of the discharged air is increased through the heat dissipation channel, so that heat accumulation is avoided, and the heat dissipation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of module motors, and in particular relates to a heat dissipation structure of a driving component. Background Art

[0002] With the continuous development of the economy, in order to improve production efficiency, reduce costs, and improve product quality and reliability, so as to make product design and manufacturing simpler and more flexible, modular design is usually adopted. According to different functions or different performances of the same function, different product design methods are formed by selecting and combining modules. In order to adapt to the market trend of electrification, the existing technology usually replaces the internal combustion engine as the driving module with the motor as the driving module, and drives the motor through the battery pack. However, due to the high degree of integration, the heat generated by the motor and the battery during operation is prone to accumulation, thereby affecting the normal use of the driving component. Summary of the invention

[0003] The purpose of the utility model is to solve the above problems in the prior art and to propose a heat dissipation structure of a drive component. The technical problem to be solved by the utility model is: how to improve the heat dissipation efficiency of the drive component.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a heat dissipation structure of a drive component, comprising a main body and a cover plate located above the main body, wherein an integrated motor and a battery compartment are arranged in the main body, the cover plate is arranged above the battery compartment, and air inlets and air outlets are respectively provided at both ends of the main body in which the cover plate and the main body cooperate to form an air inlet and an air outlet, and the utility model is characterized in that an impeller placed opposite to the battery compartment and heat dissipation channels located on both sides of the impeller are arranged in the integrated motor, the heat dissipation channels are connected with the outside through the air outlet, and when the integrated motor drives the impeller to rotate, air enters from the air inlet and passes through the heat dissipation groove on the battery compartment and is discharged from the air outlet.

[0005] The present application mainly achieves this goal by arranging an integrated motor and a battery compartment in a main body, wherein a cover plate is arranged on the main body to prevent dirt from entering the main body and affecting its use, and the cover plate cooperates with the main body to form an air inlet, thereby avoiding opening a number of air inlets on the main body which would reduce its structural strength and affect the visual integrity of the drive module, and an air outlet is arranged at the other end to avoid as much as possible a certain angle between the air outlet and the air inlet which would affect the heat dissipation effect, and through the impeller on the integrated motor and the heat dissipation channels on both sides of the impeller, and placing the battery compartment and the impeller relative to each other, the integrated motor can drive the impeller to rotate while working, because the air first passes through the battery compartment and then through the motor, and the gas flow rate inside the main body and out of the air outlet is increased through the cooperation of the impeller and the heat dissipation channel, thereby reducing the heat accumulation of the motor and the battery during use and improving the heat dissipation efficiency of the drive component.

[0006] In the heat dissipation structure of the drive assembly, a grip is provided at one end of the cover plate, the grip cooperates with the upper end surface of the main body to form an air inlet, the battery compartment cooperates with the cover plate to form a cavity that can accommodate the battery, and the cavity is connected to the outside through the air inlet. By cooperating the grip with the main body to form the air inlet, and cooperating the cover with the battery compartment to form a cavity, a buffer space that can accommodate gas is formed, which reduces the risk of the air inlet being too small and the air volume being too large, which affects the normal use of the motor.

[0007] In the heat dissipation structure of the above-mentioned drive assembly, the integrated motor includes a main motor and an impeller connected to the main motor, the main motor and the impeller are covered in a casing, and the inner wall of the casing cooperates with the outer wall of the main motor to form a heat dissipation channel. By covering the main motor and the impeller in the casing, and making the casing cooperate with the main motor to form a heat dissipation channel, the narrow tube effect is used to increase the air flow rate in the heat dissipation channel and at the air outlet, thereby improving the heat dissipation efficiency.

[0008] In the heat dissipation structure of the drive assembly, the air outlet is located between the main motor and the housing, and the heat dissipation channel is connected to the outside. The air outlet is set between the main motor and the housing, and the narrow tube effect is used to increase the air flow speed at the air outlet, thereby improving the heat dissipation efficiency.

[0009] In the heat dissipation structure of the drive assembly, a battery pack is detachably connected to the battery compartment, a gap is provided between the motor pack and the side wall of the battery compartment to allow air to flow through, and the heat dissipation slot is located at the bottom of the battery compartment and is placed opposite to the impeller. The heat dissipation slot is arranged at the bottom of the battery compartment to increase the contact area between the air and the battery pack, thereby improving the heat dissipation efficiency.

[0010] In the heat dissipation structure of the driving assembly, a circuit board is provided on one side of the integrated motor, the circuit board is fixed to a side wall of the main body through heat dissipation fins, and a plurality of heat dissipation openings are provided on the side.

[0011] In the heat dissipation structure of the above-mentioned drive assembly, the integrated motor is fixed on the base, the base is connected to the main body by snap-fitting, and the air outlet is located on the base.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. In the present application, the gripping portion on the cover plate cooperates with the main body to form an air inlet, and when the integrated motor is working, the impeller is driven to rotate, so that the outside air enters the cavity formed by the cover plate and the battery compartment through the air inlet, and then passes through the heat dissipation groove at the bottom of the side wall of the battery compartment into the heat dissipation channel located in the main motor and the cover shell, and is discharged through the air outlet. Since the incoming air enters the two heat sources of the battery compartment and the main motor in turn, and an impeller is arranged on the integrated motor to ensure air circulation, internal heat accumulation is avoided and the heat dissipation efficiency is improved.

[0014] 2. The present application forms a cavity by cooperating the cover plate with the battery compartment in the main body, thereby reserving a certain buffer space to avoid affecting the normal use of the integrated motor due to the air intake volume of the air inlet being less than the air outlet volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an exploded schematic diagram of this embodiment.

[0016] Figure 2 is a rear view schematic diagram of this embodiment;

[0017] Figure 3 It is a schematic diagram of a left-side stepped cross-sectional view of this embodiment.

[0018] In the figure, 1, main body; 1a, air inlet; 1b, base; 1b1, air outlet; 2, cover plate; 2a, grip; 3, integrated motor; 3a, impeller; 3b, heat dissipation channel; 3c, main motor; 3d, cover; 4, battery compartment; 4a, heat dissipation slot; 4b, battery pack; 5, circuit board; 5a, heat dissipation fins; DETAILED DESCRIPTION

[0019] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0020] like Figure 1 As shown, a heat dissipation structure of a drive assembly includes a main body 1 with a battery compartment 4 and an integrated motor 3, a cover plate 2 is provided on the main body 1, and the cover plate 2 can be hingedly connected to the main body 1, a battery pack 4b is detachably connected to the battery compartment 4, and a heat dissipation groove 4a is provided on the side wall of the battery compartment 4, and the integrated motor 3 is fixedly connected to the main body 1 through the base 1b, and the integrated motor 3 includes a main motor 3c, an impeller 3a, and a cover 3d covering the main motor 3c and the impeller 3a. The air outlet 1b1 is located on the base 1b and is arranged opposite to the cover 3d. A circuit board 5 with heat dissipation fins 5a is fixed to one side of the main body 1.

[0021] like Figure 2 As shown, the driving assembly includes a main body 1 and a cover plate 2 located above the main body 1, a gripping portion 2a is provided on the cover plate 2, and the gripping portion 2a cooperates with the upper end surface of the main body 1 to form an air inlet 1a.

[0022] like Figure 3As shown, the driving assembly includes a main body 1 that accommodates an integrated motor 3 and a battery compartment 4. A cover plate 2 is hinged on the main body 1. The cover plate 2 cooperates with the battery pack 4b to form a cavity. The battery pack 4b is located in the cavity and is fixed by the battery compartment 4. The bottom of the side wall of the battery compartment 4 is provided with a plurality of heat dissipation grooves 4a. The gripping portion 2a on the cover plate 2 cooperates with one end of the main body 1 to form an air inlet 1a. The other end of the main body 1 is provided with a base 1b, and the base 1b is provided with an air outlet 1b1. The battery compartment 4 is located between the air inlet 1a and the integrated motor 3, and is arranged opposite to the impeller 3a in the integrated motor 3. The cover shell 3d is arranged outside the impeller 3a and the main motor 3c, and the inner side wall of the cover shell 3d cooperates with the outer side wall of the main motor 3c to form a heat dissipation channel 3b. The heat dissipation channel 3b is located on both sides of the impeller 3a. The heat dissipation channel 3b is connected to the outside through the air outlet 1b1 on the base 1b, and the impeller 3a is placed opposite to the battery compartment 4.

[0023] In summary, the working principle of the present application is as follows: the main motor 3c drives the impeller 3a to rotate, accelerating the air flow inside the main body 1. Since the impeller 3a is placed opposite to the battery compartment 4 in the main body 1, and a heat dissipation groove 4a is provided at the bottom of the side wall of the battery compartment 4, the battery compartment 4 can be connected with the heat dissipation channel 3b in the integrated motor 3. While the impeller 3a drives the gas flow in the heat dissipation channel 3b, the gas in the battery compartment 4 begins to flow under the influence of the pressure difference. Since the battery compartment 4 is connected to the outside world through the air inlet 1a formed by the holding portion 2a on the cover plate 2 and the main body 1, the outside air can enter through the air inlet 1a, and pass through the two positions with higher heat generation of the battery compartment 4 and the main motor 3c in turn, and form a heat dissipation channel 3b located on the periphery of the impeller 3a by making the main motor 3c cooperate with the cover shell 3d, the heat dissipation efficiency is improved by accelerating the air flow rate entering the integrated motor 3, and since the gas is mainly discharged from the air outlet 1b1 through the narrow and long heat dissipation channel 3b, affected by the narrow tube effect, the air outlet 1b 1 has a certain improvement in flow rate compared to the air inlet 1a, and can timely discharge the gas flowing out of the heat dissipation channel 3b to the outside, thereby improving the heat dissipation efficiency. The battery pack 4b is placed in the battery compartment 4, and the cover plate 2 cooperates with the battery compartment 4 to form a cavity, and the heat dissipation groove 4a is set at the bottom of the side wall of the battery compartment 4. Since there is a certain height difference between the heat dissipation groove 4a and the air inlet 1a, and the air entering from the air inlet 1a needs to enter the cavity first, and then enter the heat dissipation channel 3b through the heat dissipation groove 4a, thereby increasing the contact area between the battery pack 4b and the air, it can be buffered through the cavity, thereby avoiding the normal operation of the integrated motor 3 being affected by the air intake of the air inlet 1a being less than the air outlet of the air outlet 1b1.

[0024] In addition, the integrated motor 3 and the battery pack 4b are detachably connected to the main body 1 through the base 1b and the battery compartment 4, respectively, so as to facilitate replacement of the integrated motor 3 and the battery pack 4b.

[0025] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0026] Although this article uses more terms such as 1, main body; 1a, air inlet; 1b, base; 1b1, air outlet; 2, cover; 2a, grip; 3, integrated motor; 3a, impeller; 3b, heat dissipation channel; 3c, main motor; 3d, cover; 4, battery compartment; 4a, heat dissipation slot; 4b, battery pack; 5, circuit board; 5a, heat dissipation fin, etc., it does not exclude the possibility of using other terms. The use of these terms is only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A heat dissipation structure of a drive assembly, comprising a main body (1) and a cover plate (2) located above the main body (1), wherein a detachable integrated motor (3) and a battery compartment (4) are arranged in the main body (1), the cover plate (2) is arranged above the battery compartment (4), and an air inlet (1a) and an air outlet (1b1) are respectively provided at both ends of the main body (1), the air inlet (1a) and the air outlet (1b1) formed by the cover plate (2) and the main body (1) in cooperation with each other, characterized in that: The integrated motor (3) is provided with an impeller (3a) disposed opposite to the battery compartment (4) and heat dissipation channels (3b) located on both sides of the impeller (3a); the heat dissipation channels (3b) are connected to the outside through the air outlet (1b1); when the integrated motor (3) drives the impeller (3a) to rotate, air enters from the air inlet (1a) and passes through the heat dissipation slots (4a) on the battery compartment (4) and is discharged from the air outlet (1b1).

2. The heat dissipation structure of the drive assembly according to claim 1, characterized in that: A gripping portion (2a) is provided at one end of the cover plate (2), and the gripping portion (2a) cooperates with the upper end surface of the main body (1) to form an air inlet (1a), and the battery compartment (4) cooperates with the cover plate (2) to form a cavity capable of accommodating a battery, and the cavity is connected to the outside through the air inlet (1a).

3. The heat dissipation structure of the drive assembly according to claim 2, characterized in that: The integrated motor (3) comprises a main motor (3c) and an impeller (3a) connected to the main motor (3c); the main motor (3c) and the impeller (3a) are housed in a cover shell (3d); the inner wall of the cover shell (3d) cooperates with the outer wall of the main motor (3c) to form a heat dissipation channel (3b).

4. The heat dissipation structure of the drive assembly according to claim 3, characterized in that: The air outlet (1b1) is located between the main motor (3c) and the cover (3d), and enables the heat dissipation channel (3b) to communicate with the outside world.

5. The heat dissipation structure of the drive assembly according to claim 1, 2, 3 or 4, characterized in that: A battery pack (4b) is detachably connected to the battery compartment (4), a gap through which air can flow is provided between the motor pack and the side wall of the battery compartment (4), and the heat dissipation groove (4a) is located at the bottom of the battery compartment (4) and is placed opposite to the impeller (3a).

6. The heat dissipation structure of the drive assembly according to claim 5, characterized in that: A circuit board (5) is provided on one side of the integrated motor (3); the circuit board (5) is fixed to a side wall of the main body (1) via heat dissipation fins (5a); and a plurality of heat dissipation openings are provided on the side wall.

7. The heat dissipation structure of the drive assembly according to claim 1, characterized in that: The integrated motor (3) is fixed on a base (1b), the base (1b) is snap-connected to the main body (1), and the air outlet (1b1) is located on the base (1b).

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