Dual-motor driving device

By designing a dual motor drive structure in the motor power output device, the stator assembly and rotor assembly of the two motors are connected to the substrate and the drive assembly respectively, the problem of insufficient output of a single motor is solved, higher torque and speed are achieved, and the Power performance and stability reduce vibration and noise and improve the overall performance of the system.

CN222234603UActive Publication Date: 2024-12-24DONGGUAN DIRECT DRIVE TECH LTD
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Patent Information

Application Number
CN202420857102.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2024-12-24
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

Existing motor power output devices usually have only a single output power function, and it is difficult to effectively combine the power output of two motors, affecting structural stability.

Method used

Design a dual motor drive device, in which the stator components of the two motors are respectively arranged on both sides of the connecting substrate, and the rotor components are connected to the driving components. Through reasonable structural design and optimization, the coordinated work of the two motors is achieved to provide higher Torque and speed, and flexibility to adjust working mode and power output.

Benefits of technology

The stable and coordinated work of the two motors is achieved, which enhances the power performance and driving capabilities, reduces vibration and noise, improves the stability and reliability of the system, extends the service life, and realizes efficient energy conversion and motion control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of motor power output, in particular to a dual-motor driving device, which comprises a connecting substrate, a first motor, a second motor, a first driving assembly and a second driving assembly, the first motor comprises a first stator assembly and a first rotor assembly, and the second motor comprises a second stator assembly and a second rotor assembly. The first stator assembly and the second stator assembly are arranged on the two sides of the connecting base plate respectively, the first rotor assembly is connected with the first driving assembly, and the second rotor assembly is connected with the second driving assembly. The two motors can work cooperatively, higher torque and rotating speed are provided, and therefore the power performance and the driving capacity of the device are enhanced. Meanwhile, the double-motor driving device further has high flexibility, and the working modes and power output of the two motors can be flexibly adjusted according to actual requirements.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor power output, in particular to a dual-motor driving device. Background Art

[0002] The power output of a motor refers to the motor's conversion of electrical energy into mechanical energy and outputting it to other components or devices in the form of rotation or linear motion. The power output of a motor depends on the type and design parameters of the motor, as well as the applied voltage and current. The power output of a motor can be adjusted by controlling the voltage and current of the power supply. Increasing the voltage and current can increase the motor's output power and speed, while reducing the voltage and current will reduce the motor's output power and speed.

[0003] Most of the existing motor power output devices only have a single power output function. When the power output of two motors needs to be combined, they cannot be effectively combined and will affect the structural stability. Therefore, it is necessary to improve the existing motor drive structure. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a dual motor drive device that can work together to provide higher torque and speed, thereby enhancing the power performance and driving ability of the device. At the same time, the dual motor drive device also has high flexibility and can flexibly adjust the working mode and power output of the two motors according to actual needs.

[0005] The technical solution adopted by the utility model is: a dual-motor drive device, including a connecting substrate, a first motor, a second motor, a first drive component and a second drive component, the first motor includes a first stator component and a first rotor component, the second motor includes a second stator component and a second rotor component, the first stator component and the second stator component are respectively arranged on both sides of the connecting substrate, and the connecting substrate connects the first stator component and the second stator component; the first rotor component is connected to the first drive component, and the second rotor component is connected to the second drive component.

[0006] A further improvement to the above solution is that the first stator assembly includes a first stator frame and a first stator element arranged on the first stator frame, the first stator element is arranged on the periphery of the first stator frame, and one side of the first stator frame is connected to the connection substrate.

[0007] A further improvement to the above solution is that the first rotor assembly includes a first rotor housing and a first drive connecting platform connected to the first rotor housing, and one end of the first drive connecting platform is connected to the first drive assembly.

[0008] A further improvement to the above solution is that the first drive assembly includes a drive rod, one end of which is connected to the first drive connecting platform, and the other end of which passes through the second motor and is located in the second drive assembly.

[0009] A further improvement to the above solution is that the first rotor housing is provided with a first magnetic tile, and the inner side surface of the first magnetic tile faces the first stator element.

[0010] A further improvement to the above solution is that the second stator assembly includes a second stator frame and a second stator element arranged on the second stator frame, the second stator element is arranged on the periphery of the second stator frame, and one side of the second stator frame is connected to the connection substrate.

[0011] A further improvement to the above solution is that the second rotor assembly includes a second rotor housing and a second drive connecting platform disposed on the second rotor housing, and one end of the second drive connecting platform is connected to the second drive assembly.

[0012] A further improvement to the above solution is that the second drive connecting platform is arranged on an end surface of the second rotor housing away from the first motor.

[0013] A further improvement to the above solution is that the second drive assembly includes a drive sleeve, the drive sleeve is provided with a drive connecting ring, and the drive connecting ring is connected to the second drive connecting platform.

[0014] A further improvement to the above solution is that the second rotor housing is provided with a second magnetic tile, and the inner side surface of the second magnetic tile faces the second stator element.

[0015] The beneficial effects of the utility model are:

[0016] Compared with the existing drive structure, the utility model adopts dual motor drive, and the stator components of the two motors are fixedly installed on the connecting substrate. After installation, the first rotor component rotates around the first stator component, and the second rotor component rotates around the second stator component. The first rotor component is connected to the first drive component, and the second rotor component is connected to the second drive component, so that in the output drive process, the two combined output mechanisms are used for power output. The dual motors do not interfere with each other, and the output is stable.

[0017] The utility model can provide a stronger driving force and power output through two motors. The two motors can work together to provide higher torque and speed, thereby enhancing the power performance and driving ability of the device. At the same time, the dual-motor drive device also has high flexibility, and the working mode and power output of the two motors can be flexibly adjusted according to actual needs.

[0018] The first stator assembly and the second stator assembly in the dual-motor drive device of the utility model are respectively arranged on both sides of the connection base plate, and the vibration and unbalanced force of the system can be reduced through a balanced arrangement. This can improve the stability and reliability of the entire system, reduce vibration and noise, and extend the service life of the device.

[0019] The first motor and the second motor of the utility model are driven by the first rotor assembly and the second rotor assembly respectively, and these rotor assemblies are connected to the first drive assembly and the second drive assembly. Through reasonable structural design and optimization, the dual-motor drive device can achieve efficient energy conversion and transmission. Electrical energy can be effectively converted into mechanical energy, thereby achieving efficient drive and motion control.

[0020] The dual motor structure of the utility model can achieve faster response speed and higher control accuracy. The two motors can work independently or in coordination to perform precise motion control and adjustment as needed. This structure can meet application scenarios with high requirements on speed, position and torque, and improve the dynamic performance of the system and the accuracy of motion control. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the dual-motor drive device of the utility model;

[0022] Figure 2 for Figure 1 A three-dimensional schematic diagram of the dual-motor drive device from another perspective;

[0023] Figure 3 for Figure 1 The front view of the dual motor drive unit;

[0024] Figure 4 for Figure 3 Sectional view of AA in the middle;

[0025] Figure 5 for Figure 1 Schematic diagram of the internal structure of the dual-motor drive device.

[0026] Explanation of the figure marks: connecting substrate 1, first motor 2, first stator assembly 21, first stator frame 211, first stator element 212, first rotor assembly 22, first rotor housing 221, first drive connecting platform 222, first magnetic tile 223, second motor 3, second stator assembly 31, second stator frame 311, second stator element 312, second rotor assembly 32, second rotor housing 321, second drive connecting platform 322, second magnetic tile 323, first drive assembly 4, drive rod 41, second drive assembly 5, drive sleeve 51, drive connecting ring 52. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] like Figure 1 to Figure 5 As shown, in one embodiment of the utility model, a dual-motor drive device is involved, including a connecting substrate 1, a first motor 2, a second motor 3, a first drive assembly 4 and a second drive assembly 5, wherein the first motor 2 includes a first stator assembly 21 and a first rotor assembly 22, and the second motor 3 includes a second stator assembly 31 and a second rotor assembly 32, wherein the first stator assembly 21 and the second stator assembly 31 are respectively arranged on both sides of the connecting substrate 1, the first rotor assembly 22 is connected to the first drive assembly 4, and the second rotor assembly 32 is connected to the second drive assembly 5. This embodiment adopts dual-motor drive, and the connecting substrate 1 fixes and installs the stator assemblies of the two motors. After installation, the first rotor assembly 22 rotates around the first stator assembly 21, and the second rotor assembly 32 rotates around the second stator assembly 31. The first rotor assembly 22 is connected to the first drive assembly 4, and the second rotor assembly 32 is connected to the second drive assembly 5, so that in the output drive process, the two combined output mechanisms are used for power output. The dual motors do not interfere with each other, and the output is stable.

[0031] In the above embodiment, the two stator components can be die-cast or machined integrally with the connection base plate 1 to ensure the stability and integrity of the structure.

[0032] In the above embodiment, two motors can provide a stronger driving force and power output. The two motors can work together to provide higher torque and speed, thereby enhancing the power performance and driving ability of the device. At the same time, the dual-motor drive device also has high flexibility, and the working mode and power output of the two motors can be flexibly adjusted according to actual needs.

[0033] In the above embodiment, the first stator assembly 21 and the second stator assembly 31 are respectively arranged on both sides of the connection substrate 1, and the vibration and unbalanced force of the system can be reduced through a balanced arrangement. This can improve the stability and reliability of the entire system, reduce vibration and noise, and extend the service life of the device.

[0034] In the above embodiment, the first motor 2 and the second motor 3 are driven by the first rotor assembly 22 and the second rotor assembly 32 respectively, the first rotor assembly 22 is connected to the first drive assembly 4, and the second rotor assembly 32 is connected to the second drive assembly 5. Through reasonable structural design and optimization, the dual-motor drive device can achieve efficient energy conversion and transmission. Electrical energy can be effectively converted into mechanical energy, thereby achieving efficient drive and motion control.

[0035] The above embodiment achieves faster response speed and higher control accuracy. The two motors can work independently or in coordination to perform precise motion control and regulation as required. This structure can meet application scenarios with high requirements on speed, position and torque, and improve the dynamic performance of the system and the accuracy of motion control.

[0036] The first stator assembly 21 includes a first stator frame 211 and a first stator element 212 arranged on the first stator frame 211, wherein the first stator element 212 is arranged on the periphery of the first stator frame 211, and one side of the first stator frame 211 is connected to the connection substrate 1. Specifically, the first rotor assembly 22 includes a first rotor housing 221 and a first drive connection platform 222 connected to the first rotor housing 221, and one end of the first drive connection platform 222 is connected to the first drive assembly 4. In this embodiment, the first stator frame 211 of the first stator assembly 21 is connected to the connection substrate 1 through one side, thereby achieving a stable fixation and connection. In this way, a firm contact between the first stator assembly 21 and the connection substrate 1 can be ensured, thereby improving the structural stability and reliability of the entire device. The first stator element 212 is arranged on the periphery of the first stator frame 211, and provides support and protection for the first stator assembly 21. The structural design of the first stator frame 211 can effectively fix and protect the first stator element 212, prevent it from being disturbed and damaged by the external environment, and improve the reliability and service life of the device. The first rotor assembly 22 includes a first rotor housing 221 and a first drive connection platform 222 connected thereto. The first drive connection platform 222 is connected to the first drive assembly 4, and this design can achieve efficient transmission and control. The structural design of the first rotor housing 221 and the connection method of the first drive connection platform 222 can ensure stable power transmission and precise motion control, and improve the driving efficiency and motion accuracy of the device.

[0037] The first driving assembly 4 includes a driving rod 41, one end of which is connected to the first driving connection platform 222, and the other end of which passes through the second motor 3 and is located in the second driving assembly 5. In this embodiment, by connecting one end of the driving rod 41 to the first driving connection platform 222, the driving force can be transmitted from the first driving assembly 4 to the driving rod 41. In this way, the driving rod 41 can serve as a transmission medium for the driving force and effectively transmit the driving force to the output.

[0038] The first rotor housing 221 is provided with a first magnetic tile 223, and the inner side surface of the first magnetic tile 223 faces the first stator element 212. In this embodiment, the inner side surface of the first magnetic tile 223 faces the first stator element 212, which can enhance the conduction effect of the magnetic force. When a magnetic field is formed between the first rotor housing 221 and the first stator element 212, the inner side surface of the first magnetic tile 223 can better contact and adsorb the first stator element 212, thereby improving the transmission efficiency of the magnetic force.

[0039] The second stator assembly 31 includes a second stator frame 311 and a second stator element 312 arranged on the second stator frame 311, wherein the second stator element 312 is arranged on the periphery of the second stator frame 311, and one side of the second stator frame 311 is connected to the connection substrate 1. Specifically, the second rotor assembly 32 includes a second rotor housing 321 and a second drive connection platform 322 arranged on the second rotor housing 321, and one end of the second drive connection platform 322 is connected to the second drive assembly 5. In this embodiment, the second stator assembly 31 is firmly fixed and connected by connecting one side of the second stator frame 311 to the connection substrate 1. In this way, a firm contact between the second stator assembly 31 and the connection substrate 1 can be ensured, and the structural stability and reliability of the entire device can be improved. The second stator element 312 is arranged on the periphery of the second stator frame 311 to provide support and protection for the second stator assembly 31. The structural design of the second stator frame 311 can effectively fix and protect the second stator element 312, prevent it from being disturbed and damaged by the external environment, and improve the reliability and service life of the device. The second rotor assembly 32 is composed of a second rotor housing 321 and a second drive connection platform 322 disposed thereon. The second drive connection platform 322 is connected to the second drive assembly 5, and this design can achieve efficient transmission and control. The structural design of the second rotor housing 321 and the connection method of the second drive connection platform 322 can ensure stable power transmission and precise motion control, thereby improving the driving efficiency and motion accuracy of the device.

[0040] The second drive connection platform 322 is disposed on an end surface of the second rotor housing 321 away from the first motor 2. In this embodiment, by disposing the second drive connection platform 322 on an end surface of the second rotor housing 321 away from the first motor 2, space utilization can be optimized. This design can avoid conflict and interference between the second drive connection platform 322 and the first motor 2, fully utilize the device space, and improve the compactness and efficiency of the overall structure.

[0041] The second drive assembly 5 includes a drive sleeve 51, and the drive sleeve 51 is provided with a drive connection ring 52, and the drive connection ring 52 is connected to the second drive connection platform 322. In this embodiment, by providing the drive connection ring 52 on the drive sleeve 51 and connecting it to the second drive connection platform 322, the driving force can be transmitted from the second drive assembly 5 to the drive sleeve 51. In this way, the drive sleeve 51 can serve as a transmission medium for the driving force and effectively transmit the driving force to other components.

[0042] The second rotor housing 321 is provided with a second magnetic tile 323, and the inner side surface of the second magnetic tile 323 faces the second stator element 312. In this embodiment, the inner side surface of the second magnetic tile 323 faces the second stator element 312, which can enhance the conduction effect of the magnetic force. When a magnetic field is formed between the second rotor housing 321 and the second stator element 312, the inner side surface of the second magnetic tile 323 can better contact and adsorb the second stator element 312, thereby improving the transmission efficiency of the magnetic force.

[0043] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A dual-motor drive device, characterized in that: It includes a connecting substrate, a first motor, a second motor, a first drive component and a second drive component, the first motor includes a first stator component and a first rotor component, the second motor includes a second stator component and a second rotor component, the first stator component and the second stator component are respectively arranged on both sides of the connecting substrate, and the connecting substrate connects the first stator component and the second stator component; the first rotor component is connected to the first drive component, and the second rotor component is connected to the second drive component.

2. The dual-motor driving device according to claim 1, characterized in that: The first stator assembly includes a first stator frame and a first stator element arranged on the first stator frame. The first stator element is arranged on the outer periphery of the first stator frame. One side of the first stator frame is connected to a connection substrate.

3. The dual-motor driving device according to claim 2, characterized in that: The first rotor assembly includes a first rotor housing and a first drive connecting platform connected to the first rotor housing, and one end of the first drive connecting platform is connected to the first drive assembly.

4. The dual-motor driving device according to claim 3, characterized in that: The first driving assembly comprises a driving rod, one end of which is connected to the first driving connection platform, and the other end of which passes through the second motor and is located in the second driving assembly.

5. The dual-motor driving device according to claim 3, characterized in that: The first rotor housing is provided with a first magnetic tile, and the inner side of the first magnetic tile faces the first stator element.

6. The dual-motor driving device according to claim 1, characterized in that: The second stator assembly includes a second stator frame and a second stator element arranged on the second stator frame, the second stator element is arranged on the outer periphery of the second stator frame, and one side of the second stator frame is connected to the connection substrate.

7. The dual-motor driving device according to claim 6, characterized in that: The second rotor assembly includes a second rotor housing and a second drive connecting platform arranged on the second rotor housing, and one end of the second drive connecting platform is connected to the second drive assembly.

8. The dual-motor driving device according to claim 7, characterized in that: The second driving connection platform is arranged on an end surface of the second rotor housing away from the first motor.

9. The dual-motor driving device according to claim 7, characterized in that: The second driving assembly comprises a driving sleeve, the driving sleeve is provided with a driving connecting ring, and the driving connecting ring is connected to the second driving connecting platform.

10. The dual-motor driving device according to claim 7, characterized in that: The second rotor housing is provided with a second magnetic tile, and the inner side of the second magnetic tile faces the second stator element.

Citation Information

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