Outboard engine control device based on EFI technology

Abstract

The outboard engine control device based on the EFI technology comprises an installation frame, an engine cover and a gasoline engine, the engine cover is arranged at the top of the installation frame, the gasoline engine is arranged in the center of the interior of the engine cover, the bottom of the installation frame is connected with an installation box, the interior of the installation box is connected with a transmission shaft through a bearing, and the transmission shaft is connected with a transmission shaft. The driving end of the gasoline engine is connected with the transmission shaft, a fuel pump is arranged on one side of the oil pipe, an ECU controller is arranged on one side of the gasoline engine, a connecting frame is arranged on one side of the mounting box, and a mounting frame is connected to one side of the connecting frame through a rotating shaft. The ECU controller is adopted to calculate the optimal fuel injection amount and ignition time to control the fuel pump to carry out fuel transportation, so that the ignition time and the combustion process of the engine are optimized, emission is reduced, the second clamping plate and the first clamping plate are adopted to achieve the dual fixing effect, the outboard engine is firmly fixed to a ship body, and meanwhile tools are not needed when the outboard engine needs to be disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of outboard motors, in particular to an outboard motor control device based on EFI technology. Background Art

[0002] An outboard motor is an engine installed outside a boat, usually suspended outside the stern to provide propulsion. Outboard motors can be divided into two types: fuel-powered and electric. The application number CN202210923921.X is retrieved, which is an outboard motor and a ship. The outboard motor includes: a controller for receiving a steering signal; a first motor electrically connected to the controller, and the controller is used to control the operation of the first motor based on the steering signal; a reduction mechanism including a worm and a worm wheel, the worm is coaxially fixed with the output shaft of the first motor, and the worm wheel is meshed with the worm; a steering shaft connected to the worm wheel transmission, and is used to receive the steering torque of the worm wheel; a frame connected to the steering shaft, and turns under the steering torque of the steering shaft; a propeller connected to the frame, and swings with the steering of the frame. In this way, the electric control of the steering of the outboard motor can be realized, the power steering torque of the outboard motor can be improved, and the reliability of the outboard motor can be improved.

[0003] Similar to the above-mentioned outboard motor and ship: although it is connected to the frame through a propeller and swings with the frame, it can realize electric control of the outboard motor steering and improve the steering torque of the outboard motor, but firstly, it does not have a control system to calculate the optimal fuel injection amount and ignition timing, which is easy to cause waste. Secondly, at this stage, the installation of outboard motors is often fixed by bolts, and tools are needed for disassembly and maintenance.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and an outboard motor control device based on EFI technology is proposed to achieve a more practical purpose. Utility Model Content

[0005] The purpose of the utility model is to provide an outboard motor control device based on EFI technology to solve the problems that the above-mentioned outboard motor and ship proposed in the above-mentioned background technology firstly do not have a control system to calculate the optimal fuel injection amount and ignition timing, which is easy to cause waste; secondly, the installation of outboard motors at this stage is often fixed by bolts, and tools are needed for disassembly and maintenance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an outboard motor control device based on EFI technology, comprising a mounting frame, an engine cover and a gasoline engine, the engine cover being arranged on the top of the mounting frame, the gasoline engine being arranged at the inner center of the engine cover, the bottom of the mounting frame being connected to a mounting box, the interior of the mounting box being connected to a transmission shaft via a bearing, and the driving end of the gasoline engine being connected to the transmission shaft.

[0007] Furthermore, a gear box is connected to the bottom of the mounting box, the transmission shaft is connected to the gear box, one side of the gear box is connected to a propeller via a rotating shaft, and an oil tank is provided on one side of the gasoline engine, and the oil tank is connected to the gasoline engine via an oil pipe.

[0008] Furthermore, a fuel pump is provided on one side of the oil pipe, an ECU controller is provided on one side of the gasoline engine, the fuel pump and the ECU controller are connected via wires, a sensor assembly is provided on one side of the gasoline engine, and the ECU controller and the sensor assembly are connected via wires.

[0009] Furthermore, a connecting frame is provided on one side of the installation box, and a mounting frame is connected to one side of the connecting frame via a rotating shaft, a movable cavity is provided on the top inner wall of the installation frame, a screw is connected to the middle of the movable cavity via a bearing, a moving block is threadedly connected to the outer wall of the screw, a driving motor is provided on the outer wall of one side of the installation frame, and an output end of the driving motor is connected to the screw.

[0010] Furthermore, a connecting rod is connected to the bottom of the moving block, and the bottom of the movable cavity is connected to a limiting groove. The end of the connecting rod away from the moving block passes through the limiting groove and is connected to a clamping plate No. 1. The inner wall of one side of the mounting frame is connected to a threaded cylinder through a bearing, and the inner wall of one side of the threaded cylinder is threadedly connected to a threaded rod, and the end of the threaded rod away from the threaded cylinder is connected to a clamping plate No. 2, and the outer walls of the No. 2 clamping plate and the No. 1 clamping plate are both provided with rubber pads.

[0011] Furthermore, a limiting rod is provided on one side of the bottom of the second clamping plate, and the limiting rod passes through the inner wall of the mounting frame. An adjusting knob is provided on the bottom of the driving motor, and an adjusting end of the adjusting knob is connected to the threaded barrel.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the outboard motor control device based on EFI technology uses an ECU controller to calculate the optimal fuel injection amount and ignition timing to control the fuel pump to deliver oil, thereby optimizing the ignition timing and combustion process of the engine and reducing emissions. The second clamping plate and the first clamping plate are used to achieve a double fixing effect so that the outboard motor is firmly fixed to the hull, and no tools are required when it needs to be disassembled. The specific contents are as follows:

[0013] The ECU controller calculates the best fuel injection amount and ignition timing to control the fuel pump to deliver oil, thereby optimizing the engine's ignition timing and combustion process and reducing emissions. The mounting frame facilitates the connection and installation of the outboard motor to the hull. The drive motor can drive the screw rod to rotate, thereby driving the moving block to translate. The translation of the moving block drives the connecting rod and the No. 1 clamping plate to move, thereby clamping and fixing the ship board for installation. The adjusting knob drives the threaded barrel to rotate. The rotation of the threaded barrel drives the threaded rod to translate axially. The translation of the threaded rod drives the No. 2 clamping plate to translate, thereby clamping and fixing the ship board for the second time, thereby achieving a double fixation effect so that the outboard motor is firmly fixed to the hull. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the outboard motor control device based on EFI technology of the utility model;

[0015] Figure 2 This is a schematic diagram of the front view of the outboard motor control device based on the EFI technology of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the outboard motor control device cover based on the EFI technology of the utility model;

[0017] Figure 4 It is a schematic diagram of the installation frame structure of the outboard motor control device based on EFI technology of the utility model.

[0018] In the figure: 1. mounting frame; 2. engine cover; 3. gasoline engine; 4. mounting box; 5. transmission shaft; 6. gear box; 7. propeller; 8. fuel tank; 9. oil pipe; 10. fuel pump; 11. ECU controller; 12. sensor assembly; 13. connecting frame; 14. mounting frame; 15. movable cavity; 16. screw rod; 17. moving block; 171. driving motor; 18. connecting rod; 19. limiting groove; 20. clamping plate No. 1; 21. threaded cylinder; 22. threaded rod; 23. clamping plate No. 2; 231. rubber pad; 24. limiting rod; 25. adjusting knob. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] See also Figure 1 - Figure 4The utility model provides a technical solution: an outboard motor control device based on EFI technology, including a mounting frame 1, a cover 2 and a gasoline engine 3. The cover 2 is arranged on the top of the mounting frame 1, and the cover 2 plays a protective role. The gasoline engine 3 is arranged at the inner center of the cover 2, and the gasoline engine 3 plays a driving role for the gasoline engine. The bottom of the mounting frame 1 is connected with a mounting box 4, and the mounting box 4 plays a role of fixing a transmission shaft 5. The interior of the mounting box 4 is connected with a transmission shaft 5 through a bearing, and the transmission shaft 5 plays a transmission role. The driving end of the gasoline engine 3 is connected to the transmission shaft 5.

[0021] A gear box 6 is connected to the bottom of the mounting box 4. The gear box 6 plays the role of transmitting torque. The transmission shaft 5 is connected to the gear box 6. One side of the gear box 6 is connected to a propeller 7 through a rotating shaft. The transmission shaft 5 is driven by the gasoline engine 3 to rotate, and then the torque is transferred to the rotating shaft through the gear box 6, and then the propeller 7 is driven to rotate, thereby realizing the driving effect. A fuel tank 8 is provided on one side of the gasoline engine 3. Gasoline can be stored in the fuel tank 8. The fuel tank 8 is connected to the gasoline engine 3 through an oil pipe 9.

[0022] A fuel pump 10 is provided on one side of the oil pipe 9. The fuel pump 10 is responsible for delivering the fuel to the injector and then injecting the fuel into the cylinder of the engine in the form of atomization. An ECU controller 11 is provided on one side of the gasoline engine 3. The ECU controller 11 is a controller based on EFI technology. As the brain of the system, the ECU controller 11 is responsible for processing signals from various sensors and calculating the optimal fuel injection amount and ignition timing. The fuel pump 10 and the ECU controller 11 are connected by wires. A sensor assembly 12 is provided on one side of the gasoline engine 3. The ECU controller 11 and the sensor assembly 12 They are connected by wires. The sensor assembly 12 includes an air flow meter, an oxygen sensor, a temperature sensor, etc., which are used to monitor the operating status of the gasoline engine 3 and provide necessary data to the ECU controller 11. The ECU controller 11 calculates the optimal fuel injection amount and ignition timing to control the fuel pump 10 to deliver oil, thereby optimizing the engine's ignition timing and combustion process and reducing emissions. The gasoline engine 3 is characterized by using spark plug ignition. Because the self-ignition temperature of gasoline is low, an external fire source is required to initiate the combustion process. The compression ratio of a gasoline engine is usually low, so the device is more suitable for a gasoline outboard motor.

[0023] A connecting frame 13 is provided on one side of the installation box 4, and the connecting frame 13 plays a connecting role. One side of the connecting frame 13 is connected to a mounting frame 14 through a rotating shaft. The mounting frame 14 is convenient for connecting and installing the outboard motor to the hull. A movable cavity 15 is provided on the top inner wall of the installation frame 14. A screw rod 16 is connected to the middle part of the movable cavity 15 through a bearing. A moving block 17 is threadedly connected to the outer wall of the screw rod 16. The spiral angle between the screw rod 16 and the moving block 17 is small and self-locking. A driving motor 171 is provided on the outer wall of one side of the installation frame 14. The output end of the driving motor 171 is connected to the screw rod 16. The driving motor 171 can drive the screw rod 16 to rotate, thereby driving the moving block 17 to translate.

[0024] The bottom of the moving block 17 is connected with a connecting rod 18, and the bottom of the movable cavity 15 is connected with a limiting groove 19. The end of the connecting rod 18 away from the moving block 17 passes through the limiting groove 19 and is connected to a clamping plate 20. The moving block 17 translates to drive the connecting rod 18 and the clamping plate 20 to move, so as to clamp and fix the shipboard. A threaded cylinder 21 is connected to the inner wall of one side of the installation frame 14 through a bearing. The threaded cylinder 21 can rotate in the installation frame 14. A threaded rod 22 is threadedly connected to the inner wall of one side of the threaded cylinder 21. The rotation of the threaded cylinder 21 can drive the threaded rod 22 to rotate. The threaded rod 22 translates axially, and the helix angle between the threaded rod 22 and the threaded tube 21 is small and self-locking. The end of the threaded rod 22 away from the threaded tube 21 is connected to the second clamping plate 23. The translation of the threaded rod 22 drives the second clamping plate 23 to translate, thereby clamping and fixing the boat board for the second time, thereby realizing the double fixing effect so that the outboard motor is firmly fixed to the hull. The outer walls of the second clamping plate 23 and the first clamping plate 20 are both provided with rubber pads 231, which protect the hull from being squeezed and deformed and increase the friction.

[0025] A limiting rod 24 is provided on one side of the bottom of the No. 2 clamping plate 23, and the limiting rod 24 passes through the inner wall of the mounting frame 14. The limiting rod 24 serves as a limit to prevent the No. 2 clamping plate 23 from rotating. An adjusting knob 25 is provided at the bottom of the driving motor 171, and the adjusting end of the adjusting knob 25 is connected to the threaded tube 21. The adjusting knob 25 serves as a driving function to drive the threaded tube 21 to rotate, thereby facilitating the clamping of the hull.

[0026] Working principle: When using the outboard motor control device based on EFI technology, the outboard motor is fixed to the hull, and the gasoline engine 3 drives the transmission shaft 5 to rotate, and then transmits the torque to the rotating shaft through the gear box 6, and then drives the propeller 7 to rotate, thereby realizing the driving effect. The ECU controller 11 is the brain of the system, responsible for processing the signals from various sensors, calculating the optimal fuel injection amount and ignition timing, the fuel pump 10 and the ECU controller 11 are connected by wires, and a sensor assembly 12 is provided on one side of the gasoline engine 3, and the ECU controller 11 and the sensor assembly 12 are connected by wires. The sensor assembly 12 includes an air flow meter, an oxygen sensor, a temperature sensor, etc., which are used to monitor the operating status of the gasoline engine 3 and provide the ECU controller 11 with necessary data, through The ECU controller 11 calculates the optimal fuel injection amount and ignition timing to control the fuel pump 10 to deliver oil, thereby optimizing the engine's ignition timing and combustion process and reducing emissions. The mounting frame 14 facilitates the connection and installation of the outboard motor to the hull. The driving motor 171 can drive the screw rod 16 to rotate, thereby driving the moving block 17 to translate. The translation of the moving block 17 drives the connecting rod 18 and the No. 1 clamping plate 20 to move, thereby clamping and fixing the ship board. The adjusting knob 25 drives the threaded barrel 21 to rotate. The rotation of the threaded barrel 21 drives the threaded rod 22 to translate axially. The translation of the threaded rod 22 drives the No. 2 clamping plate 23 to translate, thereby clamping and fixing the ship board for the second time, thereby achieving a double fixation effect so that the outboard motor is firmly fixed to the hull.

Claims

1. An outboard engine control device based on EFI technology, comprising a mounting frame (1), an engine cover (2) and a gasoline engine (3), characterized in that: A machine cover (2) is arranged on the top of the mounting frame (1), the gasoline engine (3) is arranged at the inner center of the machine cover (2), the bottom of the mounting frame (1) is connected to a mounting box (4), the interior of the mounting box (4) is connected to a transmission shaft (5) via a bearing, and the driving end of the gasoline engine (3) is connected to the transmission shaft (5).

2. The outboard motor control device based on EFI technology according to claim 1, characterized in that: The bottom of the installation box (4) is connected to a gear box (6), the transmission shaft (5) is connected to the gear box (6), one side of the gear box (6) is connected to a propeller (7) via a rotating shaft, and one side of the gasoline engine (3) is provided with an oil tank (8), and the oil tank (8) and the gasoline engine (3) are connected via an oil pipe (9).

3. The outboard motor control device based on EFI technology according to claim 2, characterized in that: A fuel pump (10) is provided on one side of the oil pipe (9), an ECU controller (11) is provided on one side of the gasoline engine (3), the fuel pump (10) and the ECU controller (11) are connected via electric wires, and a sensor assembly (12) is provided on one side of the gasoline engine (3), the ECU controller (11) and the sensor assembly (12) are connected via electric wires.

4. The outboard motor control device based on EFI technology according to claim 1, characterized in that: A connecting frame (13) is provided on one side of the installation box (4); one side of the connecting frame (13) is connected to a mounting frame (14) via a rotating shaft; a movable cavity (15) is provided on the top inner wall of the installation frame (14); a screw rod (16) is connected to the middle of the movable cavity (15) via a bearing; a moving block (17) is threadedly connected to the outer wall of the screw rod (16); a driving motor (171) is provided on the outer wall of one side of the installation frame (14); and an output end of the driving motor (171) is connected to the screw rod (16).

5. The outboard motor control device based on EFI technology according to claim 4, characterized in that: The bottom of the moving block (17) is connected to a connecting rod (18), the bottom of the movable cavity (15) is connected to a limiting groove (19), one end of the connecting rod (18) away from the moving block (17) passes through the limiting groove (19) and is connected to a first clamping plate (20), one inner wall of one side of the mounting frame (14) is connected to a threaded cylinder (21) through a bearing, one inner wall of one side of the threaded cylinder (21) is threadedly connected to a threaded rod (22), one end of the threaded rod (22) away from the threaded cylinder (21) is connected to a second clamping plate (23), and the outer walls of the second clamping plate (23) and the first clamping plate (20) are both provided with rubber pads (231).

6. The outboard motor control device based on EFI technology according to claim 5, characterized in that: A limiting rod (24) is provided at one side of the bottom of the second clamping plate (23), and the limiting rod (24) passes through the inner wall of the mounting frame (14). An adjusting knob (25) is provided at the bottom of the driving motor (171), and an adjusting end of the adjusting knob (25) is connected to the threaded barrel (21).

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