LIN communication large-current integrated half-bridge driving electric adjusting controller

Abstract

The utility model discloses an LIN communication large-current integrated half-bridge driving electric adjusting controller, which belongs to the technical field of electric adjusting controllers and comprises a control assembly, a diagnosis assembly, a signal feedback module, a communication module, a driving module, a power supply assembly and an electric adjusting mechanism. The control assembly is electrically connected with the diagnosis assembly, the signal feedback module, the communication module, the driving module and the power supply assembly, the electric adjusting mechanism is electrically connected with the signal feedback module and the driving module, the diagnosis assembly is electrically connected with the power supply assembly and the driving assembly, and the communication module is electrically connected with a vehicle body. By means of the mode, state feedback and speed regulation control over the electric adjusting mechanism are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric regulating controllers, in particular to a LIN communication large current integrated half-bridge driven electric regulating controller. Background Art

[0002] 1. The existing electric adjustment controller is generally powered by 12V or 24V, and the angle change and relative height change of the mechanism are adjusted by controlling the operation of the motor. In the actual vehicle, the steering wheel and the seat of the vehicle need to be adjusted according to the height and body shape of the driver and passengers to a position suitable for the driver and passengers;

[0003] 2. The existing electric adjustment controller has poor power compatibility and cannot be compatible with both 12V and 24V power supply systems. It also has no fault feedback function and cannot feedback the working status of the electric adjustment controller externally, so its safety is not very good. The existing electric adjustment controller has no fault diagnosis and no fault indication, and is not suitable for vehicles with high functional requirements.

[0004] 3. There are many discrete MOSFETs and discrete MOSFET driver devices, which occupy a large space on the circuit board, are insufficiently protected, and have many unstable factors.

[0005] 4. The performance parameters of the control device are insufficient, resulting in poor power supply compatibility; the inadequate circuit design leads to lack of functions; based on this, the utility model designs a LIN communication high-current integrated half-bridge drive electric regulation controller to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a LIN communication large current integrated half-bridge drive electric regulation controller.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A LIN communication high current integrated half-bridge drive electric adjustment controller, comprising a control component, a diagnostic component, a signal feedback module, a communication module, a drive module, a power supply component and an electric adjustment mechanism;

[0009] The control component is electrically connected to the diagnostic component, the signal feedback module, the communication module, the drive module, and the power supply component; the electric adjustment mechanism is electrically connected to the signal feedback module and the drive module; the diagnostic component is electrically connected to the power supply component and the drive component; and the communication component is electrically connected to the vehicle body.

[0010] Furthermore, it is characterized in that the control component includes an MCU and a button, and the MCU is electrically connected to the button, the diagnostic component, the signal feedback module, the communication module, the drive module, and the power supply component.

[0011] Furthermore, it is characterized in that the diagnostic component includes a current detection module, a voltage detection module and a temperature detection module, the current detection module, the voltage detection module and the temperature detection module are all electrically connected to the MCU, the voltage detection module is electrically connected to the power supply component, and the current detection module is arranged on the bus between the power supply component and the drive component.

[0012] Furthermore, it is characterized in that the current detection module is used to detect the bus current between the power supply component and the drive component, the voltage detection module is used to detect the supply voltage of the power supply component, and the temperature detection module is used to detect the PCB board end temperature of the MCU.

[0013] Furthermore, it is characterized in that the signal feedback module is a Hall signal detection module, and the Hall signal detection module is electrically connected to the MCU and the electric adjustment mechanism.

[0014] Furthermore, it is characterized in that the communication module is a LIN communication module, the LIN communication module is electrically connected to the MCU and the vehicle body, and the LIN communication module is used for communication between the MCU and the vehicle body.

[0015] Furthermore, it is characterized in that the driving module is a high-current integrated half-bridge, the high-current integrated half-bridge is provided with a voltage detection module group, and the high-current integrated half-bridge is electrically connected to the MCU, the electric adjustment mechanism, and the power supply component.

[0016] Furthermore, it is characterized in that the power supply component includes a power supply and a power conversion circuit, the power supply is electrically connected to the power conversion circuit and the high-current integrated half-bridge, and the power conversion circuit is electrically connected to the MCU.

[0017] Furthermore, it is characterized in that the power supply is a 12V / 24V power module, and the power conversion circuit is a 12V / 24V to 5V module.

[0018] Furthermore, it is characterized in that the MCU is electrically connected to a watchdog, and the watchdog is used to detect the system stability of the MCU.

[0019] The utility model has the following technical effects:

[0020] 1. When the utility model is in use, the control component and the drive component are powered by the power supply component, the power supply voltage, operating temperature and bus current of the electric adjustment mechanism are detected by the diagnostic component, the operating status of the electric adjustment mechanism is fed back through the signal feedback module, the operating status of the controller is fed back through the communication component, and the control signal is received at the same time, thereby realizing the status detection and adjustment of the electric adjustment mechanism, and intervening and starting the corresponding protection measures when a fault occurs.

[0021] 2. When the utility model is used, the 12V / 24V power supply is converted to 5V through the 12V / 24V to 5V module and then connected to the MCU for power supply;

[0022] The current detection module transmits the current signal value to the MCU for detection;

[0023] The voltage detection module transmits the voltage signal to the MCU for detection;

[0024] The temperature detection module converts the temperature of the PCB board into an analog signal and transmits it to the MCU for detection;

[0025] The LIN communication module is connected to the MCU and the vehicle body, transmitting the command signal of the vehicle body to the MCU and the feedback signal of the MCU to the vehicle body;

[0026] The buttons are connected to the MCU to control the direction of movement and memory settings;

[0027] The MCU is connected to the four groups of high-current integrated half-bridges. The MCU configures driving parameters of the four groups of high-current integrated half-bridges to control the operation of the high-current integrated half-bridges.

[0028] The four sets of high-current integrated half-bridges are all connected to the electric adjustment mechanism to drive the electric adjustment mechanism to operate;

[0029] The Hall signal detection module collects the position information of the electric adjustment mechanism and transmits it to the MCU for position calculation.

[0030] 3. The power supply is a 12V / 24V power module, which is compatible with both 12V / 24V power supplies. At the same time, the high-current integrated half-bridge adopts highly integrated power components with reliable performance.

[0031] 4. The watchdog is used to detect whether the system is stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] 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.

[0033] Figure 1 The utility model is a block diagram of a LIN communication high current integrated half-bridge drive electric regulation controller.

[0034] The numbers in the figure represent:

[0035] 1. MCU 2. Button 3. Current detection module 4. Voltage detection module 5. Temperature detection module 6. Hall signal detection module 7. LIN communication module 8. High current integrated half bridge 9. Watchdog 10. Electric adjustment mechanism 11. Body 12. Power supply 13. Power conversion circuit. DETAILED DESCRIPTION

[0036] 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.

[0037] The utility model is further described below in conjunction with embodiments.

[0038] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0039] Example 1

[0040] Please refer to the instruction manual Figure 1 , including a control component, a diagnostic component, a signal feedback module, a communication module, a drive module, a power supply component and an electric adjustment mechanism 10;

[0041] The control component is electrically connected to the diagnostic component, signal feedback module, communication module, drive module, and power supply component. The electric adjustment mechanism 10 is electrically connected to the signal feedback module and drive module. The diagnostic component is electrically connected to the power supply component and drive component. The communication component is electrically connected to the vehicle body 11.

[0042] The control component and the drive component are powered by the power supply component, the power supply voltage, operating temperature and bus current of the electric adjustment mechanism 10 are detected by the diagnostic component, the operating status of the electric adjustment mechanism 10 is fed back through the signal feedback module, and the operating status of the controller is fed back through the communication component. At the same time, the control signal is received, thereby realizing the status detection and adjustment of the electric adjustment mechanism 10, and intervening and starting the corresponding protection measures when a fault occurs.

[0043] Example 2

[0044] like Figure 1 As shown, as a preferred embodiment of the utility model, the control component includes MCU1 and button 2, and MCU1 is electrically connected to button 2, diagnosis component, signal feedback module, communication module, drive module, and power supply component.

[0045] The diagnostic component includes a current detection module 3, a voltage detection module 4 and a temperature detection module 5. The current detection module 3, the voltage detection module 4 and the temperature detection module 5 are all electrically connected to the MCU1. The voltage detection module 4 is electrically connected to the power supply component. The current detection module 3 is arranged on the busbar between the power supply component and the drive component.

[0046] The current detection module 3 is used to detect the bus current between the power supply component and the drive component, the voltage detection module 4 is used to detect the supply voltage of the power supply component, and the temperature detection module 5 is used to detect the PCB board end temperature of the MCU1.

[0047] The signal feedback module is a Hall signal detection module 6 , and the Hall signal detection module 6 is electrically connected to the MCU 1 and the electric adjustment mechanism 10 .

[0048] The communication module is a LIN communication module 7 , which is electrically connected to the MCU1 and the vehicle body 11 . The LIN communication module 7 is used for communication between the MCU1 and the vehicle body 11 .

[0049] The driving module is a high-current integrated half-bridge 8 , which is provided with 4 groups of voltage detection modules. The high-current integrated half-bridge 8 is electrically connected to the MCU 1 , the electric regulating mechanism 10 , and the power supply assembly.

[0050] The power supply assembly includes a power supply 12 and a power conversion circuit 13 . The power supply 12 is electrically connected to the power conversion circuit 13 and the high-current integrated half-bridge 8 . The power conversion circuit 13 is electrically connected to the MCU 1 .

[0051] The power supply 12 is a 12V / 24V power supply module, and the power conversion circuit 13 is a 12V / 24V to 5V module.

[0052] Convert the 12V / 24V power supply to 5V through a 12V / 24V to 5V module and then connect it to MCU1 to power it.

[0053] The current detection module 3 transmits the current signal value to MCU1 for detection;

[0054] The voltage detection module 4 transmits the voltage signal of 23 to the MCU1 for detection;

[0055] The temperature detection module 5 converts the temperature of the PCB board into an analog signal and transmits it to the MCU1 for detection;

[0056] The LIN communication module 7 is connected to the MCU1 and the vehicle body 11, and transmits the command signal of the vehicle body 11 to the MCU1 and transmits the feedback signal of the MCU1 to the vehicle body 11;

[0057] Button 2 is connected to MCU1 to control the direction of action and memory settings;

[0058] The MCU1 is connected to the four groups of high-current integrated half-bridges 8. The MCU1 configures driving parameters for the four groups of high-current integrated half-bridges 8 to control the operation of the high-current integrated half-bridges 8.

[0059] The four groups of high current integrated half bridges 8 are all connected to the electric adjustment mechanism 10, and are used to drive the electric adjustment mechanism 10 to operate;

[0060] The Hall signal detection module 6 collects the position information of the electric adjustment mechanism 10 and transmits it to the MCU1 for position calculation.

[0061] The power supply 12 is a 12V / 24V power supply module, which is compatible with both 12V / 24V power supplies. At the same time, the high-current integrated half-bridge 8 uses highly integrated power components and has reliable performance.

[0062] Example 3

[0063] like Figure 1 As shown, as a preferred embodiment of the present invention, the watchdog 9 is used to detect whether the MCU1 system is stable and reliable.

[0064] 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 high current integrated half-bridge drive electric regulation controller, characterized in that: It includes a control component, a diagnostic component, a signal feedback module, a communication module, a drive module, a power supply component and an electric adjustment mechanism (10); The control component is electrically connected to the diagnostic component, the signal feedback module, the communication module, the drive module, and the power supply component; the electric adjustment mechanism (10) is electrically connected to the signal feedback module and the drive module; the diagnostic component is electrically connected to the power supply component and the drive component; and the communication module is electrically connected to the vehicle body (11).

2. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 1, characterized in that: The control component comprises an MCU (1) and a button (2), wherein the MCU (1) is electrically connected to the button (2), a diagnostic component, a signal feedback module, a communication module, a drive module, and a power supply component.

3. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 2 is characterized in that: The diagnostic component comprises a current detection module (3), a voltage detection module (4) and a temperature detection module (5); the current detection module (3), the voltage detection module (4) and the temperature detection module (5) are all electrically connected to the MCU (1); the voltage detection module (4) is electrically connected to the power supply component; and the current detection module (3) is arranged on a busbar between the power supply component and the drive component.

4. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 3 is characterized in that: The current detection module (3) is used to detect the bus current between the power supply component and the drive component, the voltage detection module (4) is used to detect the supply voltage of the power supply component, and the temperature detection module (5) is used to detect the temperature of the PCB board end of the MCU (1).

5. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 4, characterized in that: The signal feedback module is a Hall signal detection module (6), and the Hall signal detection module (6) is electrically connected to the MCU (1) and the electric adjustment mechanism (10).

6. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 5, characterized in that: The communication module is a LIN communication module (7), the LIN communication module (7) is electrically connected to the MCU (1) and the vehicle body (11), and the LIN communication module (7) is used for communication between the MCU (1) and the vehicle body (11).

7. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 6, characterized in that: The driving module is a high-current integrated half-bridge (8), the high-current integrated half-bridge (8) is provided with a voltage detection module (4) group, and the high-current integrated half-bridge (8) is electrically connected to the MCU (1), the electric adjustment mechanism (10), and the power supply component.

8. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 7, characterized in that: The power supply component comprises a power supply (12) and a power conversion circuit (13); the power supply (12) is electrically connected to the power conversion circuit (13) and a high-current integrated half-bridge (8); and the power conversion circuit (13) is electrically connected to the MCU (1).

9. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 8, characterized in that: The power supply (12) is a 12V / 24V power supply module, and the power conversion circuit (13) is a 12V / 24V to 5V module.

10. The LIN communication high current integrated half-bridge drive electric regulation controller according to claim 9, characterized in that: The MCU (1) is electrically connected to a watchdog (9), and the watchdog (9) is used to detect the system stability of the MCU (1).

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