LIN communication integrated drive brushless motor

Abstract

The utility model discloses an LIN communication integrated driving brushless motor, which belongs to the technical field of brushless motors and comprises a control assembly, an LIN communication assembly, a detection assembly, an external controller, a driving assembly and a motor. The control assembly is connected with an external controller through an LIN communication assembly, and the brushless motor is electrically connected with the control assembly through a driving assembly; the detection assembly is electrically connected with the motor, the driving assembly and the control assembly, and the control assembly, the LIN communication assembly, the detection assembly and the driving assembly are integrated in the motor. Through the above mode, the motor is compact in structure, convenient to use and integrate, high in control precision, and suitable for various applications.

Description

Technical Field

[0001] The utility model relates to the technical field of brushless motors, in particular to a LIN communication integrated drive brushless motor. Background Art

[0002] 1. Existing brushless motors are used in a variety of application fields that require angle adjustment, speed adjustment, etc. due to their small size, large torque, superior performance, simple structure, and low failure rate. They can be adapted to a variety of application systems in automobiles.

[0003] 2. Most of the existing brushless motors do not have a driver, communication function, or fault feedback function, and cannot provide feedback on the working status of the brushless motor. They are difficult to use and have complex adaptation procedures.

[0004] 3. Generally, brushless motor drivers are large in size, which makes integration difficult. After integrating the brushless motor driver with the brushless motor, the structure is complex and generally cannot be used as a general-purpose product, so the product application is limited. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a LIN communication integrated drive brushless motor.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A LIN communication integrated drive brushless motor, comprising a control component, a LIN communication component, a detection component, an external controller, a drive component and a motor;

[0008] The control component is connected to the external controller via a LIN communication component, and the brushless motor is electrically connected to the control component via a drive component; the detection component is electrically connected to the motor, the drive component, and the control component, and the control component, the LIN communication component, the detection component, and the drive component are all integrated in the motor.

[0009] The LIN communication integrated drive brushless motor according to claim further comprises a power supply, and the power supply is electrically connected to the control component and the drive component.

[0010] Furthermore, the PCB circuit board includes a PCB circuit board and an MCU, the PCB circuit board is electrically connected to the MCU, the PCB circuit board and the MCU are both connected to the detection component, and the MCU is electrically connected to the communication component, the drive component, the external controller, and the power supply.

[0011] Furthermore, the detection component includes a current detection module and a voltage detection module, the current detection module and the voltage detection module are both electrically connected to the MCU, and the current detection module and the voltage detection module are respectively connected to the driving component and the motor.

[0012] Furthermore, the detection component also includes a temperature detection module, the temperature detection module is electrically connected to the MCU, and the detection end of the temperature detection module is fixedly connected to the PCB circuit board.

[0013] Furthermore, the communication component is a LIN communication module.

[0014] Furthermore, the external controller is a LIN communication controller, and the LIN communication controller is communicatively connected to the MCU via a LIN communication module.

[0015] Furthermore, the driving component is a MOSFET driving circuit, and the MOSFET driving circuit is electrically connected to the current detection module and the power supply.

[0016] Furthermore, the MOSFET driving circuit is provided with six groups of MOSFETs.

[0017] Furthermore, the motor rotor of the motor is electrically connected to the voltage detection module and the MOSFET drive circuit.

[0018] The utility model has the following technical effects:

[0019] When the utility model is in use, the control component is connected to the external controller through the LIN communication component, and the LIN communication function is complete, the position control is accurate, the protection function is complete, the fault diagnosis function is provided, and the system safety is high. At the same time, the control component, the LIN communication component, the detection component, and the drive component are all integrated in the motor, so that the motor structure is compact, easy to use, easy to integrate, and has high control accuracy, and is suitable for a variety of applications.

[0020] When the utility model is in use, the temperature of the PCB circuit board, the current of the MOSFET drive circuit and the voltage of the motor rotor are respectively detected by the temperature detection module, the current detection module and the voltage detection module, and the results are sent to the MCU. The MCU sends the detection results to the LIN communication controller through the LIN communication module. The voltage, current, temperature and other signals are collected by integrating high-performance sensors. The utility model has complete functions, stable performance and high safety, is suitable for various occasions, and realizes the feedback of motor status information.

[0021] The utility model uses a high-performance MOSFET (metal oxide semiconductor field effect transistor) to drive the motor rotor and adopts a high-performance MCU to achieve precise control of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 The utility model is a block diagram of a LIN communication integrated drive brushless motor.

[0024] The numbers in the figure represent:

[0025] 1. PCB circuit board 2. MCU 3. LIN communication module 4. Temperature detection module 5. Current detection module 6. Voltage detection module 7. MOSFET drive circuit 8. Motor rotor 9. Power supply 10. LIN communication controller. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model is further described below in conjunction with embodiments.

[0028] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0029] Example 1

[0030] Please refer to the instruction manual Figure 1 , a LIN communication integrated drive brushless motor, comprising a control component, a LIN communication component, a detection component, an external controller, a drive component and a motor;

[0031] The control component is connected to the external controller via a LIN communication component, and the brushless motor is electrically connected to the control component via a drive component; the detection component is electrically connected to the motor, the drive component, and the control component, and the control component, the LIN communication component, the detection component, and the drive component are all integrated in the motor.

[0032] The control component is connected to the external controller through the LIN communication component, and the LIN communication function is complete, the position control is precise, the protection function is complete, it has a fault diagnosis function, and the system safety is high. At the same time, the control component, LIN communication component, detection component, and drive component are all integrated in the motor, making the motor compact, easy to use, easy to integrate, high in control accuracy, and suitable for a variety of applications.

[0033] Example 2

[0034] like Figure 1 As shown, as a preferred embodiment of the utility model, it also includes a power supply 9, and the power supply 9 is electrically connected to the control component and the drive component.

[0035] The PCB circuit board 1 includes a PCB circuit board 1 and an MCU2. The PCB circuit board 1 is electrically connected to the MCU2. The PCB circuit board 1 and the MCU2 are both connected to the detection component. The MCU2 is electrically connected to the communication component, the driving component, the external controller, and the power supply 9.

[0036] The detection component includes a current detection module 5 and a voltage detection module 6. Both the current detection module 5 and the voltage detection module 6 are electrically connected to the MCU 2. The current detection module 5 and the voltage detection module 6 are connected to the driving component and the motor respectively.

[0037] The detection component also includes a temperature detection module 4 , which is electrically connected to the MCU2 , and a detection end of the temperature detection module 4 is fixedly connected to the PCB circuit board 1 .

[0038] The communication component is a LIN communication module 3 , the external controller is a LIN communication controller 10 , and the LIN communication controller 10 is communicatively connected with the MCU 2 via the LIN communication module 3 .

[0039] The temperature of the PCB circuit board 1, the current of the MOSFET drive circuit 7 and the voltage of the motor rotor 8 are detected respectively through the temperature detection module 4, the current detection module 5 and the voltage detection module 6 and sent to the MCU2. The MCU2 sends the detection result to the LIN communication controller 10 through the LIN communication module 3. The voltage, current, temperature and other signals are collected by integrating high-performance sensors. It has complete functions, stable performance, high safety, and is suitable for various applications. At the same time, it realizes the feedback of motor status information.

[0040] Example 3

[0041] like Figure 1 As shown, as a preferred embodiment of the utility model, the driving component is a MOSFET driving circuit 7, and the MOSFET driving circuit 7 is electrically connected to the current detection module 5 and the power supply 9.

[0042] The MOSFET driving circuit 7 is provided with six groups of MOSFETs;

[0043] The motor rotor 8 of the motor is electrically connected to the voltage detection module 6 and the MOSFET drive circuit 7 .

[0044] The utility model uses a high-performance MOSFET metal oxide semiconductor field effect transistor to drive the motor rotor 8, and adopts a high-performance MCU2 to achieve precise control of the motor.

[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A LIN communication integrated drive brushless motor, characterized in that: Including control components, LIN communication components, detection components, external controllers, drive components and motors; The control component is connected to the external controller via a LIN communication component, and the brushless motor is electrically connected to the control component via a drive component; the detection component is electrically connected to the motor, the drive component, and the control component, and the control component, the LIN communication component, the detection component, and the drive component are all integrated in the motor.

2. The LIN communication integrated drive brushless motor according to claim 1, characterized in that: It also includes a power supply (9), wherein the power supply (9) is electrically connected to the control component and the drive component.

3. The LIN communication integrated drive brushless motor according to claim 2, characterized in that: It also comprises a PCB circuit board (1) and an MCU (2), wherein the PCB circuit board (1) is electrically connected to the MCU (2), the PCB circuit board (1) and the MCU (2) are both connected to a detection component, and the MCU (2) is electrically connected to a communication component, a drive component, an external controller, and a power supply (9).

4. The LIN communication integrated drive brushless motor according to claim 3, characterized in that: The detection component comprises a current detection module (5) and a voltage detection module (6); the current detection module (5) and the voltage detection module (6) are both electrically connected to the MCU (2); and the current detection module (5) and the voltage detection module (6) are respectively connected to the drive component and the motor.

5. The LIN communication integrated drive brushless motor according to claim 4, characterized in that: The detection component further comprises a temperature detection module (4), the temperature detection module (4) being electrically connected to the MCU (2), and the detection end of the temperature detection module (4) being fixedly connected to the PCB circuit board (1).

6. The LIN communication integrated drive brushless motor according to claim 5, characterized in that: The communication component is a LIN communication module (3).

7. The LIN communication integrated drive brushless motor according to claim 6, characterized in that: The external controller is a LIN communication controller (10), and the LIN communication controller (10) is communicatively connected to the MCU (2) via a LIN communication module (3).

8. The LIN communication integrated drive brushless motor according to claim 7, characterized in that: The driving component is a MOSFET driving circuit (7), and the MOSFET driving circuit (7) is electrically connected to the current detection module (5) and the power supply (9).

9. The LIN communication integrated drive brushless motor according to claim 8, characterized in that: The MOSFET driving circuit (7) is provided with six groups of MOSFETs.

10. The LIN communication integrated drive brushless motor according to claim 9, characterized in that: The motor rotor (8) of the motor is electrically connected to the voltage detection module (6) and the MOSFET drive circuit (7).

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