Control logic for controlling multiple outboard motors by MCU (Microprogrammed Control Unit)

Abstract

The invention discloses a control logic for controlling multiple outboard motors through MCUs. The control logic comprises a central control device, a high-voltage box, a push rod, a steering wheel detection device, a man-machine interaction interface and the multiple outboard motors. The high-voltage box is connected with each outboard motor, and the outboard motors are connected with the central control device. The push rod, the steering wheel detection device and the man-machine interaction interface are connected with the central control device through a CAN bus. The central control device is connected with the high-voltage box; a battery management system is arranged in the high-voltage box; when the MCU breaks down, the push rod is directly connected into the outboard motor to control the outboard motor, the power safety of the outboard motor is guaranteed, and at least one outboard motor can still work normally. The MCU control mode and the push rod control mode can be switched for use, and different control modes can be switched according to different driving conditions; and when the battery management system fails or the electric quantity of the battery management system is insufficient to start the central control device, the power supply switching module switches the standby battery to supply power.

Description

Technical Field

[0001] The present invention relates to the technical field of outboard motor control, and in particular to a control logic for an MCU to control multiple outboard motors. Background Art

[0002] With the continuous development of intelligent technology, more and more intelligent equipment has emerged. Existing equipment such as smart ships, drones or unmanned vehicles generally use remote control to autonomously drive the power system to complete designated tasks; the power system of such intelligent equipment usually includes cooling pumps, impeller pumps, cover locks, steering motors, lifting motors, main push motors and other power equipment. These power equipment are combined with each other to achieve different power outputs.

[0003] The existing outboard motor uses the CAN communication bus. After the motion control unit sends a command to turn on the outboard motor controller, the outboard motor controller executes the corresponding command, detects the status of the manual lift switch, the cooling water level, the lift angle, starts the water pump, lights, cameras, lift motor and other actions, and reports the detected status to the motion control unit; the motion control unit responds to the action control signal made by the outboard motor controller and outputs a digital control signal; but electronic equipment is not as reliable as simple mechanical equipment. Electronic equipment may fail in some cases, making the power of the outboard motor uncontrollable. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a control logic for MCU to control multiple outboard motors.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A control logic for MCU to control multiple outboard motors, comprising a central control device, a high-voltage box, a push rod, a steering wheel detection device, a human-computer interaction interface and a plurality of outboard motors; the high-voltage box is connected to each outboard motor respectively, and the plurality of outboard motors are connected to the central control device respectively; the push rod, the steering wheel detection device and the human-computer interaction interface are all connected to the central control device via a CAN bus; the central control device is connected to the high-voltage box; a battery management system is arranged in the high-voltage box.

[0006] Preferably, the central control device includes an MCU, a control module, a communication module, a power module and a power switching module; the MCU is respectively connected to the control module, the communication module, the power module and the power switching module, and the control module is connected to the several outboard motors; the communication module is respectively connected to the power module and the power switching module.

[0007] Preferably, the push rod, the steering wheel detection device and the human-computer interaction interface are all connected to the communication module via a CAN bus.

[0008] Preferably, each outboard motor includes a cooling pump, an impeller pump, a cover lock, a steering motor, a lifting motor, a main propulsion motor, a seawater pump, an NTC and a solenoid valve.

[0009] Preferably, the power switching module is also connected to a backup battery.

[0010] Preferably, the battery management system is respectively connected to a range-extended generator DC input terminal, an MPPT solar DC input terminal, a DC gun input terminal and a communication controller; the range-extended generator DC input terminal is connected to the range-extended generator, the MPPT solar DC input terminal is connected to the solar panel, the DC gun input terminal is connected to the DC charging gun, and the communication controller is respectively connected to the battery management system and the power switching module through a CAN bus.

[0011] Preferably, the battery management system is also connected to a charger, which is connected to the input end of the AC gun; the power switching module is connected to the charger and detects signals.

[0012] Preferably, the power switching module is respectively connected to the DC input terminal of the range extender generator and the DC input terminal of the MPPT solar energy to detect and control signals.

[0013] Preferably, the battery management system includes several battery packs.

[0014] Preferably, the DC gun input terminal and the AC gun input terminal are respectively connected to the communication controller.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention designs a control logic for MCU to control multiple outboard motors. When a central control device fails, the information flow of a push rod is directly passed into the outboard motor to control the outboard motor, thereby ensuring the power safety of the outboard motor and allowing at least one outboard motor to work normally. The two control modes of MCU control and push rod control can be switched and used, and different control modes are switched according to different driving conditions. When a battery management system fails or the battery management system is insufficient to start the central control device, a power switching module switches to a backup battery for power supply. The battery management system is connected to a plurality of power supplies, and the power switching module detects and sends and receives control signals for the plurality of power supplies, and supplies power to the battery management system according to different power supplies. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which: Figure 1 A schematic diagram of the control logic proposed by the present invention; Figure 2 The present invention is a schematic structural diagram of the outboard motor. DETAILED DESCRIPTION

[0017] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more; in addition, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a communication between the two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] Reference Figure 1 to Figure 2 As shown, a control logic of MCU controlling multiple outboard motors includes a central control device, a high-voltage box, a push rod, a steering wheel detection device, a human-computer interaction interface and several outboard motors; the high-voltage box is connected to each outboard motor respectively, and the several outboard motors are connected to the central control device respectively; the push rod, the steering wheel detection device and the human-computer interaction interface are all connected to the central control device through a CAN bus; the central control device is connected to the high-voltage box; a battery management system is arranged in the high-voltage box.

[0020] Among them, the central control device includes MCU, control module, communication module, power module and power switching module; MCU is connected to the control module, communication module, power module and power switching module respectively, and the control module is connected to several outboard motors; the communication module is connected to the power module and the power switching module respectively; the push rod, steering wheel detection device and human-computer interaction interface are all connected to the communication module through the CAN bus; when the central control device fails, the information flow of the push rod is directly passed to the outboard motor to control the outboard motor to ensure the power safety of the outboard motor, so that at least one outboard motor can still work normally; and the two control modes of MCU control and push rod control can be switched, and different control modes are switched according to different driving conditions.

[0021] Each outboard motor includes a cooling pump, an impeller pump, a cover lock, a steering motor, a lifting motor, a main propulsion motor, a seawater pump, an NTC and a solenoid valve; the power switching module is also connected to a backup battery. When the battery management system fails or the battery management system is insufficient to start the central control device, the power switching module switches to the backup battery for power supply.

[0022] The battery management system is respectively connected to a DC input terminal of a range-extended generator, a MPPT solar DC input terminal, a DC gun input terminal and a communication controller; the DC input terminal of the range-extended generator is connected to the range-extended generator, the MPPT solar DC input terminal is connected to the solar panel, the DC gun input terminal is connected to the DC charging gun, and the communication controller is respectively connected to the battery management system and the power switching module through the CAN bus; the battery management system is connected to a variety of power supplies, the power switching module detects and controls the sending and receiving of signals for a variety of power supplies, and supplies power to the battery management system according to different power supplies; the battery management system includes a number of battery packs, and the battery management system is composed of a number of battery packs; the battery packs are powered by a variety of power supplies, and the battery packs store energy.

[0023] The battery management system is also connected to a charger, which is connected to the AC gun input terminal; the power switching module is connected to the charger and detects signals; the power switching module is respectively connected to the DC input terminal of the range extender generator and the MPPT solar DC input terminal and detects and controls signals; the DC gun input terminal and the AC gun input terminal are respectively connected to the communication controller.

[0024] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0025] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A control logic for MCU to control multiple outboard motors, characterized in that: It includes a central control device, a high-voltage box, a push rod, a steering wheel detection device, a human-computer interaction interface and several outboard motors; the high-voltage box is connected to each outboard motor respectively, and the several outboard motors are connected to the central control device respectively; the push rod, the steering wheel detection device and the human-computer interaction interface are all connected to the central control device through a CAN bus; the central control device is connected to the high-voltage box; a battery management system is arranged in the high-voltage box.

2. According to the control logic of the MCU controlling multiple outboard motors as described in claim 1, it is characterized in that: The central control device includes an MCU, a control module, a communication module, a power module and a power switching module; the MCU is respectively connected to the control module, the communication module, the power module and the power switching module, and the control module is connected to the several outboard motors; the communication module is respectively connected to the power module and the power switching module.

3. According to the control logic of the MCU controlling multiple outboard motors as described in claim 2, it is characterized in that: The push rod, the steering wheel detection device and the human-machine interaction interface are all connected to the communication module via a CAN bus.

4. According to the control logic of the MCU controlling multiple outboard motors as described in claim 1, it is characterized in that: Each outboard motor includes a cooling pump, an impeller pump, a cover lock, a steering motor, a lifting motor, a main propulsion motor, a seawater pump, an NTC and a solenoid valve.

5. According to the control logic of the MCU controlling multiple outboard motors as described in claim 2, it is characterized in that: The power switching module is also connected to a backup battery.

6. The control logic of a MCU controlling multiple outboard motors according to claim 5, characterized in that: The battery management system is respectively connected to a DC input terminal of an extended-range generator, an MPPT solar DC input terminal, a DC gun input terminal and a communication controller; the DC input terminal of the extended-range generator is connected to the extended-range generator, the MPPT solar DC input terminal is connected to the solar panel, the DC gun input terminal is connected to the DC charging gun, and the communication controller is respectively connected to the battery management system and the power switching module through a CAN bus.

7. The control logic of a MCU controlling multiple outboard motors according to claim 6, characterized in that: The battery management system is also connected to a charger, which is connected to the input end of the AC gun; the power switching module is connected to the charger and detects signals.

8. The control logic of a MCU controlling multiple outboard motors according to claim 7, characterized in that: The power switching module is respectively connected to the DC input terminal of the range extender generator and the DC input terminal of the MPPT solar energy to detect and control signals.

9. The control logic of a MCU controlling multiple outboard motors according to claim 1, characterized in that: The battery management system includes a plurality of battery packs.

10. The control logic of a MCU controlling multiple outboard motors according to claim 8, characterized in that: The DC gun input end and the AC gun input end are respectively connected to the communication controller.

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