Three-in-one integrated pure electric drive for motorcycle

Abstract

The utility model discloses a motorcycle three-in-one integrated pure electric drive which comprises a controller module, the controller module is electrically connected with a motor assembly, the output end of the motor assembly is provided with a gear transmission system, the other end of the gear transmission system is connected with a wheel, the wheel is connected with a left arm through a rotating shaft, and the left arm is connected with a right arm through a rotating shaft. A rotating shaft on the other side of the wheel is connected with a right arm, the outer side of the controller module and the outer side of the motor assembly are covered with a shell, and the controller module, the motor assembly, the gear transmission system and the shell are all installed on the left arm. According to the utility model, the device is of a three-in-one integrated structure, the mechanical structure is compact, the connection is reliable, the lightweight effect is brought, more energy is saved, most external electrical connections are saved, the cost advantage is obvious, the electrical system is mostly integrated in the closed metal shell, the electromagnetic disturbance is greatly reduced, and the anti-radiation capability is greatly improved; a compact fixed-tooth-ratio gear transmission system is high in transmission efficiency, and the utilization efficiency of battery energy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drive systems, and in particular to a three-in-one integrated pure electric drive for a motorcycle. Background Art

[0002] With the development of new energy technologies and supporting resources, electric two-wheeled vehicles are facing the need for upgrading and development. Traditional two-wheeled vehicles are driven by rear-wheel hub motors, which, due to their inherent characteristics and cost, cannot meet the performance requirements of motorcycles. The current mainstream pure electric motorcycles, which are modified and upgraded from the layout of fuel-powered motorcycles, simply combine the drive controller, motor, and traditional reduction transmission mechanism mechanically. The electrical systems are connected by wiring harnesses and plug-ins, and the gear transmission system uses multiple stages of acceleration and deceleration, which fails to achieve optimal matching. This leads to shortcomings such as low energy efficiency, low reliability, poor performance, and high cost. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a three-in-one integrated pure electric drive for a motorcycle.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a three-in-one integrated pure electric drive for a motorcycle, including a controller module, the controller module is electrically connected to a motor assembly, the output end of the motor assembly is provided with a gear transmission system, the other end of the gear transmission system is connected to a wheel, the rotating shaft on the wheel is connected to a left arm, the rotating shaft on the other side of the wheel is connected to a right arm, the other end of the right arm is connected to the left arm, the controller module and the motor assembly are covered with a shell on the outside, and the controller module, motor assembly, gear transmission system and shell are all installed on the left arm.

[0005] Preferably, the gear transmission system includes a primary transmission gear, which meshes with the motor output shaft gear, and the motor output shaft gear is connected to the output end of the motor assembly. A meshing gear is coaxially connected to the primary transmission gear, and the meshing gear meshes with the secondary transmission gear, and the secondary transmission gear is connected to the wheel.

[0006] Preferably, the gear transmission system is installed between the housing and the wheel, and the housing is made of metal fiber material.

[0007] Preferably, the controller module includes an integrated circuit board, and the integrated circuit board is installed inside the installation cavity.

[0008] Preferably, the motor assembly includes a motor mounting cavity and a motor body, the motor body is mounted inside the motor mounting cavity, and the motor mounting cavity is mounted inside the housing of the three-in-one integrated pure electric drive system.

[0009] Preferably, the motor assembly and the controller module are connected via wires.

[0010] Preferably, a low-voltage signal interface, a communication interface, and positive and negative busbar interfaces are installed on the housing.

[0011] The utility model has the following beneficial effects: the device has a three-in-one integrated structure, a compact mechanical structure, and reliable connection, while also bringing a lightweight effect, being more energy-efficient, eliminating most external electrical connections, and having obvious cost advantages. The electrical system is mostly integrated in a closed metal shell, which greatly reduces electromagnetic interference and greatly improves anti-radiation capability. The compact fixed-tooth ratio gear transmission system matches the motor drive characteristics, has high transmission efficiency, and increases battery energy utilization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a three-in-one integrated pure electric drive motorcycle proposed in the utility model;

[0013] Figure 2 This is a top view of a three-in-one integrated pure electric drive motorcycle proposed in the utility model;

[0014] Figure 3 This is a rear view of a three-in-one integrated pure electric drive motorcycle proposed in the utility model;

[0015] Figure 4 This is a gear transmission diagram of a three-in-one integrated pure electric drive for a motorcycle proposed by the utility model.

[0016] Legend:

[0017] 1. Controller module; 2. Motor assembly; 3. Left arm; 4. Gear transmission system; 41. Primary transmission gear; 42. Motor output shaft gear; 43. Meshing gear; 44. Secondary transmission gear; 5. Wheel; 6. Right arm; 7. Housing. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections, indirect connections through an intermediate medium, or internal connections between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Example

[0021] Reference Figure 1-4 The utility model provides an embodiment: a three-in-one integrated pure electric drive for a motorcycle, comprising a controller module 1, the controller module 1 being electrically connected to a motor assembly 2, the output end of the motor assembly 2 being provided with a gear transmission system 4, the other end of the gear transmission system 4 being connected to a wheel 5, the upper shaft of the wheel 5 being connected to a left arm 3, the other side shaft of the wheel 5 being connected to a right arm 6, the other end of the right arm 6 being connected to the left arm 3, the outer side of the controller module 1 and the motor assembly 2 being covered with a shell 7, the controller module 1, the motor assembly 2, the gear transmission system 4, and the shell 7 being all mounted on the left arm 3.

[0022] The gear transmission system 4 includes a primary transmission gear 41, which meshes with the motor output shaft gear 42. The motor output shaft gear 42 is connected to the output end of the motor assembly 2. A meshing gear 43 is coaxially connected to the primary transmission gear 41. The meshing gear 43 meshes with the secondary transmission gear 44. The secondary transmission gear 44 is connected to the wheel 5. The controller module 1 controls the motor assembly 2 to drive the motor output shaft gear 42 connected to its output end to rotate. The meshing transmission between the motor output shaft gear 42 and the primary transmission gear 41, as well as the meshing transmission between the meshing gear 43 and the secondary transmission gear 44, is used to drive the wheel 5 to rotate. The fixed gear ratio gear transmission system 4 can be changed according to actual needs to match the motor driving characteristics. The dynamic efficiency is high, and the battery energy utilization efficiency is increased. The gear transmission system 4 is installed between the shell 7 and the wheel 5. The shell 7 is made of metal fiber material. The metal fiber material can greatly reduce electromagnetic interference and greatly improve the radiation resistance. The controller module 1 includes an integrated circuit board, which is installed inside the installation cavity. The motor assembly 2 includes a motor installation cavity and a motor body. The motor body is installed inside the motor installation cavity. The motor installation cavity is installed inside the three-in-one integrated pure electric drive system shell 7. The motor assembly 2 and the controller module 1 are connected by wires. The shell 7 is equipped with a low-voltage signal interface, a communication interface, and a positive and negative bus interface, which are convenient for controlling the controller module 1 and charging the battery.

[0023] Working principle: During the operation of the motorcycle, the controller module 1 controls the motor assembly 2 to drive the motor output shaft gear 42 connected to its output end to rotate, and utilizes the meshing transmission between the motor output shaft gear 42 and the first-level transmission gear 41, as well as the meshing transmission between the meshing gear 43 and the second-level transmission gear 44 to drive the wheel 5 to rotate. The fixed gear ratio gear transmission system 4 can be changed according to actual needs to match the motor drive characteristics, with high transmission efficiency and increased battery energy utilization efficiency. The metal fiber shell 7 is used to reduce electromagnetic interference, improve the device's anti-radiation ability, and extend the device's service life.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A three-in-one integrated pure electric drive for a motorcycle, comprising a controller module (1), characterized in that: The controller module (1) is electrically connected to the motor assembly (2); the output end of the motor assembly (2) is provided with a gear transmission system (4); the other end of the gear transmission system (4) is connected to a wheel (5); the upper shaft of the wheel (5) is connected to the left arm (3); the other side shaft of the wheel (5) is connected to the right arm (6); the other end of the right arm (6) is connected to the left arm (3); the controller module (1) and the motor assembly (2) are covered with a housing (7); the controller module (1), the motor assembly (2), the gear transmission system (4), and the housing (7) are all mounted on the left arm (3).

2. The three-in-one integrated pure electric drive for motorcycle according to claim 1, characterized in that: The gear transmission system (4) includes a primary transmission gear (41), the primary transmission gear (41) meshes with a motor output shaft gear (42), the motor output shaft gear (42) is connected to the output end of the motor assembly (2), a meshing gear (43) is coaxially connected to the primary transmission gear (41), the meshing gear (43) meshes with a secondary transmission gear (44), and the secondary transmission gear (44) is connected to the wheel (5).

3. The three-in-one integrated pure electric drive for motorcycle according to claim 2, characterized in that: The gear transmission system (4) is installed between a housing (7) and a wheel (5), and the housing (7) is made of metal fiber material.

4. The three-in-one integrated pure electric drive for motorcycle according to claim 1, characterized in that: The controller module (1) comprises an integrated circuit board, which is installed inside the installation cavity.

5. The three-in-one integrated pure electric drive for motorcycle according to claim 1, characterized in that: The motor assembly (2) comprises a motor mounting cavity and a motor body, the motor body being mounted inside the motor mounting cavity, and the motor mounting cavity being mounted inside a three-in-one integrated pure electric drive system housing (7).

6. The three-in-one integrated pure electric drive for motorcycle according to claim 1, characterized in that: The motor assembly (2) and the controller module (1) are connected via a wire.

7. The three-in-one integrated pure electric drive for motorcycle according to claim 1, characterized in that: The housing (7) is equipped with a low-voltage signal interface, a communication interface, and positive and negative busbar interfaces.

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