Integrated power system of motor controller of electric vehicle

Abstract

The utility model provides an integrated power system for a motor controller of an electric vehicle. The integrated power system comprises a motor hub cover, a motor shaft, a motor side cover, a motor main outgoing line, a driving controller, a motor stator assembly, motor magnetic steel and a motor rim which are all located in a motor hub and a permanent magnet shell. The hub motor and controller integrated power system has the advantages that by means of the hub motor and controller integrated power system, space needed by the controller originally arranged in a vehicle body can be saved, convenience of installation and maintenance of the controller is improved, and the whole vehicle is more compact in structure; necessary shell protection needed by the original two parts is saved to only need a hub motor shell.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric motor car controller power field especially, it is a kind of electric motor car motor controller integration power system. BACKGROUND

[0002] The present two-wheeled electric vehicle industry rear power system is mostly rear wheel hub motor and controller drive, the wheel hub motor and controller separation power system low heat dissipation efficiency, and need to use power line to connect, by its resistance influence causes the energy unnecessary loss;Wheel hub motor and controller separation power system also push high component manufacturing cost, waste vehicle interior space, reduce installation convenience.

[0003] With the rapid development of two-wheeled electric vehicle industry, environmental protection energy-saving trend is obvious, motor controller integration two-in-one power system, with energy consumption low, high efficient heat dissipation, low manufacturing cost, small size and other advantages. INVENTION CONTENTS

[0004] Therefore, the utility model aims at providing a kind of electric motor car motor controller integration power system to solve the inconvenience of controller installation, maintenance, save vehicle space, reduce the cost of parts and components, and reduce the energy loss of complete drive system, improve energy utilization, and improve the heat dissipation efficiency of controller, reduce the electromagnetic interference of complete power system.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A kind of electric motor car motor controller integration power system, including electric motor hub cover, motor shaft, motor side cover, motor total lead-out wire, drive controller, motor stator assembly, motor magnetic steel and motor rim, all located in the inside of motor hub and permanent magnet shell, the electric motor hub cover and motor side cover are connected to the both sides of motor rim by bolt, electric motor hub cover and motor side cover form hollow structure, hollow structure middle part is sleeved with motor shaft, motor magnetic steel is installed in the inner wall of motor rim, motor stator assembly is also installed in the inside of hollow structure, drive controller is connected to motor stator assembly by bolt, and is connected with motor shaft, drive controller and motor shaft are also connected with motor total lead-out wire.

[0007] Further, it further includes waterproof sealant, the junction of electric motor hub cover, motor side cover and motor rim is pasted with waterproof sealant.

[0008] Further, the motor shaft is provided with a hole for passing through the motor total lead-out wire and sealed with waterproof sealant.

[0009] Further, it further includes anaerobic adhesive, and the motor magnetic steel is pasted to the inner wall of motor rim by anaerobic adhesive.

[0010] Further, the waterproof breather valve is installed on one side of the motor hub cover.

[0011] Further, the drive controller is connected to the motor stator assembly by bolts.

[0012] Compared with the prior art, the electric vehicle motor controller integrated power system has the following advantages:

[0013] (1) The electric vehicle motor controller integrated power system can save the space required for the controller arranged in the vehicle body, improve the convenience of controller installation and maintenance, and make the vehicle structure more compact.

[0014] (2) The electric vehicle motor controller integrated power system can greatly shorten the length of the power line required for connection between the hub motor and the controller, reduce unnecessary heating, improve energy utilization rate and motor working condition performance.

[0015] (3) The electric vehicle motor controller integrated power system can fully utilize the wind impact and heat dissipation effect during driving of the electric vehicle, improve the heat dissipation efficiency of the power system, and fully isolate other electrical components (such as anti-theft components) in the vehicle interior, thereby reducing electromagnetic interference. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. The embodiments of the application and its

[0017] Fig. 1 The overall structure internal structure schematic view of the embodiment of the application;

[0018] Fig. 2 The overall structure cross-sectional view of the embodiment of the application.

[0019] Legend of the drawings:

[0020] 1, motor hub cover; 2, waterproof breather valve; 3, motor shaft; 4, motor side cover; 5, motor total lead-out line; 6, drive controller; 7, motor stator assembly; 8, motor magnetic steel; 9, motor rim; 10, motor hub and permanent magnet. DETAILED DESCRIPTION

[0021] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0022] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0023] In the description of the utility model, it needs to be understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0024] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0025] As Figs. 1-2 As shown in a kind of electric vehicle motor controller integration power system, including being located in motor hub and permanent magnet 10 shell inside motor hub cover 1, waterproof breather valve 2, motor shaft 3, motor side cover 4, motor total lead-out wire 5, drive controller 6, motor stator assembly 7, motor magnetic steel 8 and motor rim 9, motor hub cover 1 and motor side cover 4 are connected on the both sides of motor rim 9 by bolt, motor hub cover 1 and motor side cover 4 form hollow structure, hollow structure middle part is sleeved with motor shaft 3, motor magnetic steel 8 is installed in the inner wall of motor rim 9, motor stator assembly 7 is also installed in hollow structure, drive controller 6 is connected to motor stator assembly 7 by bolt, and is connected with motor shaft 3, drive controller 6 and motor shaft 3 are also connected with motor total lead-out wire 5, waterproof breather valve 2, waterproof breather valve 2 is installed on one side of motor hub cover 1.

[0026] In the embodiment, the drive controller 6 is connected to the motor stator assembly 7 by bolts, and is connected to the motor shaft 3, the motor hub cover 1 and the motor side cover 4 are connected to the two sides of the motor rim 9 by bolts and sealed by waterproof sealant, the motor magnetic steel 8 is attached to the inner wall of the motor rim 9 by anaerobic adhesive, the motor shaft 3 is provided with a hole for passing through the motor total lead-out wire 5 and is sealed by waterproof sealant, and finally the waterproof breather valve 2 is left for discharging the internal heat generated by the temperature rise during the operation of the motor, thereby reducing the risk of demagnetization of the permanent magnet due to heating, balancing the internal and external pressures, and preventing moisture from being passively sucked in due to the decrease in pressure after the operation of the motor is completed. After the drive controller 6 is connected to the motor stator assembly 7, the power line waste caused by the original external controller is eliminated, and the resistance is reduced due to the shortening of the power line, thereby reducing the energy waste of the power system, improving the overall efficiency of the power system, and further improving the vehicle endurance and reducing the risk of electromagnetic interference of the power system from the external environment. Thanks to the reduction of the external controller, the internal space of the vehicle is greatly increased, and the economic practicability is improved.

[0027] Advantages of the utility model:

[0028] 1. The power system integrated with the hub motor and the controller can save the space originally required for the controller arranged in the vehicle body, improve the convenience of controller installation and maintenance, and make the vehicle structure more compact; the necessary shell protection required by the original two parts is saved, and only the hub motor shell is required.

[0029] 2. After the hub motor and the controller are integrated, the length of the power line required for connection between the two is greatly shortened, thereby reducing unnecessary heat generation, improving energy utilization rate, and improving motor working condition performance.

[0030] 3. The controller is adjusted from the inside of the vehicle to be fixed in the motor hub shell, the wind impact and heat dissipation effect during the driving of the electric vehicle can be fully utilized, the heat dissipation efficiency of the power system is improved, and the electromagnetic interference is reduced.

[0031] It should be noted that the control program is not improved in the application, and the control program and electrical devices involved are prior art.

[0032] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An integrated power system for electric vehicle motor controllers, characterized in that: The device includes a motor hub cover (1), a motor shaft (3), a motor side cover (4), a motor main lead wire (5), a drive controller (6), a motor stator assembly (7), a motor magnet (8), and a motor rim (9), all located inside the motor hub and the outer shell of the permanent magnet (10). The motor hub cover (1) and the motor side cover (4) are bolted to both sides of the motor rim (9). The motor hub cover (1) and the motor side cover (4) form a hollow structure. The motor shaft (3) is sleeved in the middle of the hollow structure. The motor magnet (8) is installed on the inner wall of the motor rim (9). The motor stator assembly (7) is also installed inside the hollow structure. The drive controller (6) is bolted to the motor stator assembly (7) and connected to the motor shaft (3). The drive controller (6) and the motor shaft (3) are also connected to the motor main lead wire (5).

2. The integrated power system for electric vehicle motor controller according to claim 1, characterized in that: It also includes waterproof sealant, and waterproof sealant is pasted at the connection between the motor hub cover (1), the motor side cover (4) and the motor rim (9).

3. The integrated power system for electric vehicle motor controller according to claim 1, characterized in that: The motor shaft (3) has a hole for the main lead wire (5) of the motor to pass through and is sealed with waterproof sealant.

4. The integrated power system for electric vehicle motor controller according to claim 1, characterized in that: It also includes anaerobic adhesive, and the motor magnet (8) is attached to the inner wall of the motor rim (9) by anaerobic adhesive.

5. The integrated power system for an electric vehicle motor controller according to claim 1, characterized in that: It also includes a waterproof and breathable valve (2), which is installed on one side of the motor hub cover (1).

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