Mini-tiller with power generation function

Abstract

The utility model discloses a mini-tiller with a power generation function. The mini-tiller comprises a rack, an engine, a power generator, an inverter, a cooling fan and a voltage regulator. The engine is obliquely arranged on the rack and comprises an air cylinder and a crankcase, the crankcase is arranged at the lower end of the air cylinder and comprises a crankshaft, and the crankshaft comprises a front end shaft and a rear end shaft; the generator is arranged at the front end of the crankcase; the cooling fan is arranged at the front end of the generator; the generator comprises a stator part arranged in the middle and a rotor part arranged on the periphery of the stator part, a front end shaft of the crankshaft penetrates through the center of the stator part and is fixedly connected with the center of the rotor part, and the cooling fan is fixedly arranged on the rotor part and is coaxial with the rotor part and the front end shaft; the air cylinder and the inverter are arranged on the left side and the right side of the cooling fan respectively. The independent cooling system formed by the fan can circularly cool the crankcase, the cylinder, the generator, the inverter and the like of the engine according to the operation of the engine, so that the service life is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural tillage machinery, in particular to a micro-tillage machine with good heat dissipation performance and a power generation function. Background Art

[0002] Mini-tillers are agricultural tillage machines powered by small diesel or gasoline engines, characterized by their light weight, compact size, and simple structure. They are widely used in drylands, paddy fields, and orchards across plains, mountainous areas, and hilly regions. Currently, mini-tillers are used only for plowing and cultivating fields. After spring plowing, they are essentially idle for extended periods, hindering their application. In rural areas, especially during power outages and when power is needed for field operations, the need for power generation equipment, such as for electrical equipment and electric vehicle charging, becomes increasingly important. However, purchasing a separate generator is costly and requires extensive maintenance. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a micro-tillage machine with a simple structure, reasonable design, stable use, good heat dissipation effect and power generation function in response to the deficiencies in the existing technical solutions.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is as follows:

[0005] A micro-tillage machine with a power generation function is characterized in that it includes a frame, an engine, a generator, an inverter, a cooling fan and a voltage regulator; the engine is obliquely arranged on the frame, the engine includes a cylinder and a crankcase, the crankcase is arranged at the lower end of the cylinder, the crankcase includes a crankshaft, and the crankshaft includes a front shaft and a rear end shaft; the generator is arranged at the front end of the crankcase, and the cooling fan is arranged at the front end of the generator; the generator includes a stator component arranged in the middle and a rotor component arranged on the periphery of the stator component, the front end shaft of the crankshaft passes through the center of the stator component and is fixedly connected to the center of the rotor component, the cooling fan is fixedly arranged on the rotor component and is coaxially arranged with the rotor component and the front end shaft; the cylinder and inverter are respectively arranged on the left and right sides of the cooling fan, so that the cooling fan can dissipate heat for the cylinder, inverter and generator at the same time.

[0006] By tilting the engine and placing the engine cylinders and inverter on either side of the cooling fan, the cooling fan generates rotating air when the engine is running. Part of the airflow cools the crankcase and cylinders, while another part cools the inverter and voltage regulator, ensuring optimal functioning of all components. A single cooling fan simultaneously cools the engine, inverter, and voltage regulator, eliminating the need for two fans to cool the engine and motor separately in traditional generators and simplifying the structure. Furthermore, the micro-tiller can serve two purposes, reducing costs. The micro-tiller is lightweight, energy-efficient, and self-propelled, making it flexible and convenient to use.

[0007] Furthermore, the generator further includes a connecting disk, which is fixed on the crankcase. The stator component is fixed on the connecting disk and consists of twelve groups of windings. The rotor component is covered on the stator component.

[0008] The stator component is provided with twelve windings to increase the power generation capacity. The stator component is easily fixed by providing a connecting plate.

[0009] Furthermore, the cooling fan is composed of a starting cup and a plurality of fan blades, the starting cup is fixedly set on the rotor component, and the plurality of fan blades are evenly arranged in a circle around the starting cup; a fan cover is provided on the cooling fan, and a plurality of air vents are provided around the fan cover; the starting cup passes through the fan cover, and a starting assembly for starting the engine is provided on the starting cup.

[0010] The front end of the crankshaft connects to the starting assembly for starting the engine, while the rear end serves as the power output shaft. Ventilation holes allow the cooling fan to dissipate heat from the engine and inverter on both sides, while also dissipating heat from the generator. The structure is simple and rational.

[0011] Furthermore, a bracket is provided on one side of the cooling fan, and the inverter and voltage regulator are arranged on the bracket; the vent on one side of the cooling fan is opposite to the inverter and voltage regulator, and the cylinder is arranged on the other side of the cooling fan opposite to the inverter.

[0012] The bracket makes it easy to install the inverter and voltage regulator on the bracket and also allows for easy removal. When using the tiller for farming alone, the inverter and voltage regulator can be removed. When using the tiller for power generation, the inverter and voltage regulator can be directly installed. This flexible and compact design allows for dual use.

[0013] Furthermore, the output terminal of the generator is electrically connected to an inverter, the inverter is electrically connected to a voltage regulator, and the voltage regulator is electrically connected to a battery or an electrical appliance.

[0014] When the engine starts running, the stator and rotor components generate a magnetic field, and the coils inside the stator generate voltage and current, which are transmitted to the inverter to be converted into usable voltage and current to stabilize them; finally, the voltage and current are output through the voltage regulator and can be connected to the battery or electrical appliances for use.

[0015] Furthermore, the inverter is provided with heat dissipation fins, which are directly opposite to one side of the heat dissipation fan. The heat dissipation fins provided on the inverter can better dissipate heat for the inverter and the voltage regulator, ensuring the stability of the inverter and having a simple and reasonable structure.

[0016] The micro-tillage machine with power generation function of the utility model has the following beneficial effects:

[0017] 1. Advantages of variable frequency motor: light weight, low energy consumption, and very stable voltage waveform.

[0018] 2. Utilize the power part of the micro tiller to add a power generation device, which is small in size, light in weight and has a reasonable structure.

[0019] 3. An independent cooling system cools the engine crankcase, cylinders, generator, inverter, and voltage regulator according to engine operation, ensuring long service life. This inverter can be widely used for powering various household appliances and charging electric vehicles. Its variable frequency power generation function offers advantages such as stable frequency, high power, and stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The contents and symbols of the drawings in this specification are briefly described as follows:

[0021] Figure 1 Schematic diagram of the micro-tillage machine structure in the embodiment;

[0022] Figure 2 This is a schematic diagram of the power structure of the micro-tillage machine;

[0023] Figure 3 for Figure 2 Cross-sectional view at AA in the middle;

[0024] In the figure: 1 is the frame; 2 is the engine; 21 is the cylinder; 22 is the crankcase; 23 is the front shaft; 24 is the rear broken shaft; 3 is the generator; 31 is the stator component; 32 is the rotor component; 33 is the connecting plate; 4 is the inverter; 5 is the cooling fan; 51 is the starting cup; 52 is the fan blade; 53 is the fan cover; 6 is the voltage regulator; 7 is the starting assembly; 8 is the bracket; 9 is the cooling fin. DETAILED DESCRIPTION

[0025] The present invention is further described below using a non-limiting embodiment with reference to the accompanying drawings. However, it should be understood that these descriptions are merely illustrative and are not intended to limit the scope of the present invention. Furthermore, descriptions of known structures and techniques are omitted in the following description to avoid unnecessary confusion regarding the concepts of the present invention. Example

[0026] like Figure 1 、 2 As shown in Figure 3, the micro-tillage machine with power generation function includes a frame 1, an engine 2, a generator 3, an inverter 4, a cooling fan 5 and a voltage regulator 6; the engine 2 is obliquely arranged on the frame 1, and the engine 2 includes a cylinder 21 and a crankcase 22, the crankcase 22 is arranged at the lower end of the cylinder 21, the crankcase 22 includes a crankshaft, and the crankshaft includes a front end shaft 23 and a rear end shaft 24; the generator 3 is arranged at the front end of the crankcase 22, and the cooling fan 5 is arranged at the front end of the generator 3.

[0027] Generator 3 includes a centrally located stator component 31, a rotor component 32 disposed around stator component 31, and a connecting plate 33. Connecting plate 33 is secured to crankcase 22. Stator component 31 is secured to connecting plate 33 and comprises twelve windings. Rotor component 32 is mounted on stator component 31. Cooling fan 5 consists of a starting cup 51 and a plurality of blades 52. Starting cup 51 is secured to rotor component 32, with blades 52 arranged in a circular pattern around starting cup 51. Cooling fan 5 is provided with a fan cover 53, which is surrounded by a plurality of ventilation holes. Starting cup 51 passes through fan cover 53 and is provided with a starting assembly 7 for starting engine 2. The front end shaft 23 of the crankshaft is connected to the starting assembly 7 for starting the engine 2, and the rear end shaft 24 of the crankshaft is the power output shaft; the front end shaft 23 of the crankshaft passes through the center of the stator component 31 and is fixedly connected to the center of the rotor component 32, and the cooling fan 5 is fixedly set on the rotor component 32 and is coaxially arranged with the rotor component 32 and the front end shaft 23.

[0028] A bracket 8 is provided on one side of the cooling fan 5, and the inverter 4 and voltage regulator 6 are mounted on the bracket 8. The ventilation holes on one side of the cooling fan 5 face the inverter 4 and voltage regulator 6, and the cylinder 21 is provided on the other side of the cooling fan 5 opposite the inverter 4. Heat dissipation fins 9 are provided on the inverter 4, facing one side of the cooling fan 5. The output terminal of the generator 3 is electrically connected to the inverter 4, which is electrically connected to the voltage regulator 6, which is electrically connected to a battery or electrical appliance. The cylinder 21 and inverter 4 are respectively provided on the left and right sides of the cooling fan 5, allowing the cooling fan 5 to dissipate heat from the cylinder 21, the generator 3, the inverter 4, and the voltage regulator 6 simultaneously.

[0029] like Figure 2 、 3As shown, when using the tiller to generate electricity, the starting assembly 7 is activated, driving the starter cup and rotor assembly 32 to rotate. This activates the crankshaft, engine 2 pistons, and other components. Rotating rotor assembly 32 then drives the engine 2's ignition coil, generating ignition. Once engine 2 is running, the stator assembly 31 and rotor assembly 32 generate a magnetic field. Voltage and current are generated by the coils within stator assembly 31, which are then transmitted to inverter 4, converted to usable voltage and current for stabilization. Finally, voltage and current are output via voltage regulator 6. The tiller can then be connected to an electrical appliance for use. To install the tiller's power generation function: First, bolt the built-in connection plate 33 to the crankcase 22. Then, install the stator assembly 31 and rotor assembly 32 in sequence and tighten them with the rotor nuts. Next, install the cooling fan 5 and starter cup and tighten them with bolts. Finally, install the fan cover 53 to protect the rotating components. Finally, secure bracket 8, install voltage regulator 6 and inverter 4, and tighten with the torx bolts for operation. The micro-tillage machine of this embodiment is light in weight, simple in structure, stable in output, and good in heat dissipation, and can simultaneously have the functions of generating electricity or tilling the soil.

[0030] In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if the terms "first", "second", etc. appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, features defined as "first", "second", etc. 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.

[0031] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

Claims

1. A micro-tillage machine with power generation function, characterized in that: The invention comprises a frame (1), an engine (2), a generator (3), an inverter (4), a cooling fan (5) and a voltage regulator (6); the engine (2) is obliquely arranged on the frame (1); the engine (2) comprises a cylinder (21) and a crankcase (22); the crankcase (22) is arranged at the lower end of the cylinder (21); the crankcase (22) comprises a crankshaft; the crankshaft comprises a front end shaft (23) and a rear end shaft (24); the generator (3) is arranged at the front end of the crankcase (22); the cooling fan (5) is arranged at the front end of the generator (3); the generator (3) The invention comprises a stator component (31) arranged in the middle and a rotor component (32) arranged on the periphery of the stator component (31); the front end shaft (23) of the crankshaft passes through the center of the stator component (31) and is fixedly connected to the center of the rotor component (32); the cooling fan (5) is fixedly arranged on the rotor component (32) and is coaxially arranged with the rotor component (32) and the front end shaft (23); the cylinder (21) and the inverter (4) are respectively arranged on the left and right sides of the cooling fan (5), so that the cooling fan (5) can dissipate heat from the cylinder (21), the inverter (4) and the generator (3) at the same time.

2. The micro-tillage machine with power generation function according to claim 1, characterized in that: The generator (3) further comprises a connecting disk (33), the connecting disk (33) being fixed on the crankcase (22), the stator component (31) being fixedly arranged on the connecting disk (33) and consisting of twelve groups of windings, and the rotor component (32) being covered on the stator component (31).

3. The micro-tillage machine with power generation function according to claim 1, characterized in that: The heat dissipation fan (5) is composed of a starting cup (51) and a plurality of fan blades (52), wherein the starting cup (51) is fixedly arranged on the rotor component (32), and the plurality of fan blades (52) are evenly arranged in a circular shape around the starting cup (51); a fan cover (53) is provided on the heat dissipation fan (5), and a plurality of vent holes are provided around the fan cover (53); the starting cup (51) passes through the fan cover (53), and a starting assembly (7) for starting the engine (2) is provided on the starting cup (51).

4. The micro-tillage machine with power generation function according to claim 3, characterized in that: A bracket (8) is provided on one side of the cooling fan (5), and the inverter (4) and the voltage regulator (6) are provided on the bracket (8); the vent hole on one side of the cooling fan (5) is directly opposite to the inverter (4) and the voltage regulator (6), and the cylinder (21) is provided on the other side of the cooling fan (5) opposite to the inverter (4).

5. The micro-tillage machine with power generation function according to claim 1, characterized in that: The output terminal of the generator (3) is electrically connected to the inverter (4), the inverter (4) is electrically connected to the voltage regulator (6), and the voltage regulator (6) is electrically connected to a battery or an electrical appliance.

6. The micro-tillage machine with power generation function according to claim 1, characterized in that: A heat dissipation fin (9) is provided on the inverter (4), and the heat dissipation fin (9) is directly opposite to one side of the heat dissipation fan (5).

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