Power motor of electrically driven vehicle and power supply mode

Abstract

The invention discloses a power motor and a power supply mode of an electrically driven vehicle. A main body comprises a power motor, a power supply system and a cooling system; the main body of the power supply system comprises a driving motor, a gear driver, a generator, an electric control assembly and a battery; the driving motor is connected with the gear driver and drives a power input gear of the gear driver to rotate, and finally power is output from a power output gear. One wire group of the electric control assembly is connected to the driving motor, one wire group of the electric control assembly is connected to the battery pack, one wire group of the electric control assembly is connected to the generator, one wire group of the electric control assembly is connected to the cooling system, one wire group of the electric control assembly is connected to the power motor, and one wire group of the electric control assembly is connected to the driving motor starting switch; and one wire group is connected to the power motor speed controller.

Description

Technical Field

[0001] This invention relates to a power motor and power supply method for electrically driven vehicles, particularly a drive motor for electric vehicles, and a power supply method with a power generation system. Background Technology

[0002] Currently, all types of electric vehicles use a combination of reducers and drive motors to transmit power. While this can increase torque to some extent, there are still different structural options and room for improvement. Current pure electric vehicles all use battery packs as their power source. However, battery packs have limited capacity, cannot be used for extended periods, require external power when depleted, and are prone to spontaneous combustion. Summary of the Invention

[0003] In order to overcome the above-mentioned defects and shortcomings of the power motor and power supply method of electric vehicles, the purpose of this invention is to provide a power motor that outputs power through a gear transmission, and a power supply method with a generator that can be used for a long time, is safe and efficient.

[0004] The technical solution adopted by this invention to solve its technical problem is: The electric motor and power supply method of the electric vehicle of the present invention mainly include a power motor, a power supply system, and a cooling system; The aforementioned power motor mainly includes an electric motor and a transmission device; The power output terminal of the electric motor is connected to a transmission device, through which the electric motor outputs power to the outside. The power supply system mainly includes a drive motor, a transmission, a generator, an electronic control component, and a battery pack. The drive motor is connected to the transmission device, driving the transmission device to rotate; the transmission device is not only connected to the drive motor, but also to the generator, driving the generator to rotate. The electronic control component has one set of wires connected to the drive motor, one set of wires connected to the battery pack, one set of wires connected to the generator, one set of wires connected to the cooling system, one set of wires connected to the power motor, one set of wires connected to the Hall sensor of the power motor, one set of wires connected to the speed control controller of the power motor, one set of wires connected to the gear control controller of the power motor, and one set of wires connected to the start switch of the drive motor.

[0005] The electronic control component is equipped with the function of rectifying and stabilizing the current supplied by the generator and then distributing it to various electronic components, and also has a port for transmitting current to the outside.

[0006] The cooling system mainly includes a refrigerant compressor, a drive motor and generator, an evaporator, an evaporator, a condenser, a fan, and a temperature sensor in the electronic control components.

[0007] The beneficial effects of this invention are that the power motor can convert 100% of electrical energy into mechanical energy, and has the characteristics of strong practicality, high working efficiency and green environmental protection. It not only does not have the limitation of the limited amount of electricity stored by batteries as a power source, but also does not have the safety hazards of spontaneous combustion or explosion. It can be used for a long time and is a safe and efficient power supply method with a generator. Attached Figure Description

[0008] Figure 1 This is a simplified schematic diagram of Embodiment 1 of the present invention. Figure 2 This is a schematic diagram showing the meshing state of each gear in the gear transmission of Embodiment 1. Figure 3 This is a simplified schematic diagram of the power output tooth layer of the power input gear and the power output tooth layer of the transmission gear in Embodiment 1. Figure 4 This is a simplified schematic diagram of the power input tooth layer of the transmission gear and the power input tooth layer of the power output gear in the gear transmission device of Embodiment 1. Detailed Implementation

[0009] To make the technical problems solved, the technical solutions, and the beneficial effects of this invention clearer, the invention will be further described below with reference to the accompanying drawings and embodiments. It should be understood that the embodiments described herein are merely illustrative and not intended to limit the invention. Example 1

[0010] The power motor and power supply method of electric vehicles mainly include the power motor, power supply system, and cooling system; The aforementioned power motor mainly includes an electric motor and a gear transmission; The power output end of the electric motor is connected to a gear drive, and the electric motor outputs power through the gear drive; The gear transmission body includes a gearbox, a power input gear, a double-layer transmission gear, a power output gear, bearings, a flywheel, an oil pan, an electric drive oil pump, a top cover, and oil lines.

[0011] The gearbox is a hollow cuboid without a top surface, and multiple bearing holes are provided on both sides of the gearbox.

[0012] The power input gear is mounted on the corresponding bearing hole in the gearbox.

[0013] The main components include a power input spline shaft, a gear shaft, a gear hub, and a power output tooth layer.

[0014] The power input spline shaft and gear shaft are located at the center of the two end faces of the gear hub; The power input spline shaft is provided with a spline shaft body, a bearing mounting shaft body, and a large shaft body, and the diameter of the spline shaft body is less than the diameter of the bearing mounting shaft body, which is less than the diameter of the large shaft body.

[0015] The gear shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than the diameter of the bearing mounting shaft body.

[0016] The gear hub is a cylinder, and the side of the gear hub is provided with a power input tooth layer and a power output tooth layer.

[0017] Preferably, the power output tooth layer is a structural component that combines a cuboid and a semi-cylindrical component, with the semi-cylindrical component located at the tooth top and connected to the width of the cuboid component. Preferably, the arc diameter of the semi-cylindrical structure of the power output tooth layer is equal to the width of the cuboid component.

[0018] The bearings for the double-layer transmission gears are mounted on the corresponding bearing holes in the gearbox.

[0019] The transmission gear is a double-layer gear, the main body of which includes a gear shaft, a gear hub, a power input tooth layer, and a power output tooth layer; the gear shaft is provided with a front end shaft and a rear end shaft, which are respectively located at the center of the two end faces of the gear hub; the gear shaft is provided with a large shaft body and a bearing mounting shaft body, and the diameter of the large shaft body is larger than the diameter of the bearing mounting shaft body; the gear hub is a cylinder. The tooth layers of the power input gear and the power output gear are disposed on the side of the gear hub. Preferably, the tooth of the power input tooth layer is a structural component that combines a cuboid and a cylindrical component, with the cylindrical component located at the top of the tooth and the side of the cylindrical component connected to the width of the cuboid component. Preferably, the diameter of the cylindrical component of the power input tooth layer is greater than the width of the cuboid component.

[0020] Preferably, the power output tooth layer is a structural component that combines a cuboid and a semi-cylindrical component, with the semi-cylindrical component located at the tooth top and connected to the width of the cuboid component. Preferably, the arc diameter of the semi-cylindrical structure of the power output tooth layer is equal to the width of the cuboid component.

[0021] The bearing for the power output gear is mounted on the corresponding bearing hole in the gearbox.

[0022] The power output gear mainly comprises a front shaft, a flange shaft, a gear hub, and a power input gear layer. The front shaft and flange shaft are respectively located at the center of two end faces of the gear hub. The front shaft is sequentially provided with a bearing mounting shaft and a large shaft, with the diameter of the large shaft being larger than that of the bearing mounting shaft. The flange shaft is sequentially provided with a large shaft, a bearing mounting shaft, and a power output flange, with the diameter of the large shaft being larger than that of the bearing mounting shaft. The flange not only has a splined shaft hole at its center but also bolt holes that match the flywheel. The gear hub is a cylinder. The gear layers of the power input gear and the power output gear are located on the side of the gear hub. The structure of the power input gear layer is consistent with the structure of the power input gear layer of a double-layer transmission gear.

[0023] The teeth of the power input gear can mesh with the teeth of the power input tooth layer of the adjacent double-layer transmission gear, and the teeth of the power output tooth layer of the double-layer transmission gear can mesh with the teeth of the power input tooth layer of the adjacent gear.

[0024] Power is input from the power input gear, passes through a double-layer transmission gear, and is finally output from the power output gear.

[0025] The oil pan is installed on the bottom surface of the gearbox, and the oil pan is equipped with an electric drive oil pump; the oil outlet of the electric drive oil pump is equipped with an oil pipeline; the oil pipeline is not only installed at the oil outlet of the oil pump, but also on the top cover.

[0026] The top cover is installed on the top surface of the gearbox, and the top cover is provided with an oil outlet that matches the power input gear, the double-layer transmission gear, and the power output gear.

[0027] The more transmission gears there are, the smoother the output power will be.

[0028] Power is input from the splined shaft of the power input gear, passes through the transmission gear, and is finally output from the power output gear.

[0029] The flywheel is mounted on the flange of the power output gear and is provided with bolt holes and spline holes that match the flange.

[0030] The teeth of the power input gear can mesh with the teeth of the first transmission gear, the teeth of the transmission gears mesh with the teeth of the adjacent transmission gears in sequence, and the last transmission gear can mesh with the teeth of the power output gear.

[0031] Power is input from the power input gear, passes through the transmission gear, and is finally output from the power output gear.

[0032] The drive motor is connected to the gear transmission, which drives the power input gear to rotate, and finally outputs power through the power output gear; the gear transmission not only connects the power input gear to the drive motor, but also connects the power output gear to the generator. The main body of the power supply system includes a drive motor, a gear transmission, a generator, an electronic control component, and a battery pack; The drive motor is connected to the gear transmission, which drives the power input gear of the gear transmission to rotate; the gear transmission not only connects the power input gear to the drive motor, but also connects the power output gear to the generator, which drives the generator to rotate and generate electricity. The gear drive mentioned is the same as the gear drive on the power motor; The electronic control component has one set of wires connected to the drive motor, one set of wires connected to the battery pack, one set of wires connected to the generator, one set of wires connected to the cooling system, one set of wires connected to the power motor, one set of wires connected to the Hall sensor of the power motor, one set of wires connected to the speed control controller of the power motor, one set of wires connected to the gear control controller of the power motor, and one set of wires connected to the start switch of the drive motor.

[0033] The electronic control component is equipped with the function of rectifying and stabilizing the current supplied by the generator and then distributing it to various electronic components, and also has a port for transmitting current to the outside.

[0034] The cooling system mainly includes a refrigerant compressor, a drive motor and generator, an evaporator, an evaporator, a condenser, a fan, and a temperature sensor in the electronic control components.

[0035] The aforementioned power motor, drive motor, generator, and electronic control components are all equipped with condensers.

[0036] A smaller-power drive motor drives a larger-power generator via a gear transmission. The electricity generated by the larger generator is supplied to the electronic control unit (ECU). The ECU rectifies and regulates the current before distributing it to various electronic components and external current transmission ports. The ECU also has the function of temporarily storing electrical energy. The drive motor only uses the power supplied to the ECU from the battery pack during startup. After the drive motor starts, when the ECU detects current from the generator, it prioritizes using the generator's current and no longer uses the battery pack's power. Furthermore, when the ECU detects that the battery pack's charge has dropped to a set value, it will recharge the battery pack. When the motor is not used for an extended period of time... When the battery pack loses power or is damaged, preventing the drive motor from starting normally, an external power supply can be connected to the corresponding port of the electronic control component to start the drive motor. After the drive motor starts, when the temperature sensor connected to the drive motor, the generator, the electronic control component, or the power output drive motor reaches the set value, the compressor is started to cool the drive motor or generator, the electronic control component, and the power output drive motor. The cooling system can also cool the drive motor or generator, the electronic control component, and the power output drive motor independently. Example 2

[0037] The power motor and power supply method of electric vehicles mainly include the power motor, power supply system, and cooling system; The aforementioned power motor mainly includes an electric motor and a crankshaft transmission. The rotor of the electric motor is connected to the power input crankshaft of the crankshaft drive, and the drive motor outputs power through the power output half gear of the crankshaft drive; the main body of the crankshaft drive includes a main housing, a left housing cover, a right housing cover, a crankshaft drive assembly, an electric drive lubricating oil pump, and a flywheel.

[0038] The main housing is a hollow cylindrical component with open sides. A bearing mounting block is located in the center, and numerous bearing holes are arranged in a straight line on one side and the other side. Multiple lubricating oil injection ports and lubricating oil filling holes are located on the top of the main housing, while lubricating oil drain holes and electric oil pump mounting holes are located at the bottom. The right housing cover has numerous bearing holes arranged in a straight line and mounting screw holes. The left housing cover has bearing holes and mounting screw holes.

[0039] The crankshaft transmission group is divided into a left transmission group and a right transmission group.

[0040] The left and right transmission groups share a common power input crankshaft.

[0041] The left and right transmission groups share a common power output half gear, which is a common power output half gear.

[0042] The left and right transmission groups are mainly composed of a common power input crankshaft, a lever, a gear crankshaft, and a common power output half gear.

[0043] The common power input crankshaft mainly includes a power input end, a power output crank, and a main journal. The power input end is installed in the bearing hole corresponding to the right housing cover, and the main journal is installed in the bearing hole corresponding to the main housing. After installation, the common power input crankshaft is located between the two levers of the left and right transmission groups.

[0044] The power input end is provided with a splined shaft, a bearing mounting shaft, and a large shaft in sequence. The diameter of the large shaft is larger than the diameter of the bearing mounting shaft, which is larger than the diameter of the splined shaft.

[0045] One end of the power output journal is connected to the main shaft of the power input end, and the other end is connected to the main shaft of the main journal; the power output journal is directly connected to the power input end and the main journal to form a lever structure.

[0046] The balance weights are provided in two parts, which are respectively located on the opposite side of the shaft center of the main shaft at the power input end and the main shaft journal.

[0047] The main journal is provided with a large shaft body and a bearing mounting shaft body, the diameter of the large shaft body being larger than the diameter of the bearing mounting shaft body.

[0048] The left and right transmission groups have two levers, the main body of which includes a lever shaft and a transmission rod. The lever shaft is provided with a front shaft and a rear shaft. The front shaft is installed in the bearing hole corresponding to the right housing cover, and the rear shaft is installed in the bearing hole corresponding to the main housing. They are respectively located between the gear crankshaft and the power input crankshaft. One transmission rod of the two levers is jointly locked in the power output crankshaft of the common power input crankshaft, and the other is locked in the power input crankshaft of the two gear crankshafts respectively.

[0049] The structure of the front shaft of the lever in the left and right transmission groups is the same as that of the rear shaft, with a large shaft body and a bearing mounting shaft body. The diameter of the large shaft body is larger than that of the bearing mounting shaft body. The transmission rods are located on the side between the large shaft body of the front shaft and the large shaft body of the rear shaft, and there are two of them, which are similar to a U-shape.

[0050] The left and right transmission groups each have two gear crankshafts. The main body of each gear crankshaft includes a power input journal, a power output gear, a counterweight, and a front shaft. The front shaft is installed in the bearing mounting hole corresponding to the right housing cover, and the power output gear is installed in the bearing mounting hole corresponding to the main housing. After installation, they are located on one side of the lever of the left and right transmission groups, respectively.

[0051] The power input journal is located at the edge of the main shaft of the power output gear and the edge of the main shaft of the front shaft. One end is connected to the main shaft of the power output gear, and the other end is connected to the main shaft of the front shaft. The distance between the power input journal and the center of the main shaft of the front shaft is no greater than the radius of the main shaft of the front shaft. The power input journal is directly connected to the front shaft and the power output gear, forming a lever structure. Two counterweights are provided, respectively located on opposite sides of the axis of the main shaft of the front shaft and the main shaft of the power output gear on the power input journal.

[0052] The power output gear is provided with a large shaft, a mounting shaft, and a gear in sequence; the diameter of the large shaft is greater than the diameter of the mounting shaft, which is greater than the diameter of the gear.

[0053] The front end shaft is provided with a large shaft body and a bearing mounting shaft body, the diameter of the large shaft body being larger than the diameter of the bearing mounting shaft body.

[0054] The common power output half gear mainly includes a front shaft, a half gear, and a power output spline shaft; the front shaft is installed in the bearing hole corresponding to the main housing.

[0055] The front end shaft is provided with a large shaft body and a bearing mounting shaft body, the diameter of the large shaft body being larger than the diameter of the bearing mounting shaft body.

[0056] The half gear is connected between the main shaft of the front end shaft and the main shaft of the power output spline shaft.

[0057] The power output spline shaft body includes a large shaft body, a bearing mounting shaft body, and a spline shaft.

[0058] The half gear can engage with the gears on the gear crankshafts of the left and right transmission groups, and can disengage as it rotates. Regardless of how it rotates, the half gear can always engage with a gear on a gear crankshaft.

[0059] The electric-driven lubricating oil pump is installed on the lower side of the left crankcase.

[0060] The flywheel is mounted on the power output spline shaft of the common power output half gear.

[0061] The drive motor is connected to the crankshaft transmission, which drives the crankshaft to rotate by inputting power into the crankshaft, and finally outputs power through the power output half gear; the crankshaft transmission not only connects the power input gear to the drive motor, but also connects the power output gear to the generator. The main body of the power supply system includes a drive motor, a crankshaft transmission, a generator, an electronic control assembly, and a battery pack; The drive motor is connected to the crankshaft transmission, which drives the power input gear of the crankshaft transmission to rotate; the crankshaft transmission not only connects the power input crankshaft to the drive motor, but also connects the power output half gear to the generator, which drives the generator to rotate and generate electricity. The crankshaft drive in the power supply system is the same as the crankshaft drive on the power motor; The electronic control component has one set of wires connected to the drive motor, one set of wires connected to the battery pack, one set of wires connected to the generator, one set of wires connected to the cooling system, one set of wires connected to the power motor, one set of wires connected to the Hall sensor of the power motor, one set of wires connected to the speed control controller of the power motor, one set of wires connected to the gear control controller of the power motor, and one set of wires connected to the start switch of the drive motor.

[0062] The electronic control component is equipped with the function of rectifying and stabilizing the current supplied by the generator and then distributing it to various electronic components, and also has a port for transmitting current to the outside.

[0063] The cooling system mainly includes a refrigerant compressor, a drive motor and generator, an evaporator, an evaporator, a condenser, a fan, and a temperature sensor in the electronic control components.

[0064] The aforementioned power motor, drive motor, generator, and electronic control components are all equipped with condensers.

[0065] A smaller-power drive motor drives a larger-power generator via a crankshaft transmission. The electricity generated by the larger generator is supplied to the electronic control unit (ECU). The ECU rectifies and regulates the current before distributing it to various electronic components and external current transmission ports. The ECU also has the function of temporarily storing electrical energy. The drive motor only uses the power supplied to the ECU from the battery pack during startup. After the drive motor starts, when the ECU detects current from the generator, it prioritizes using the generator's current and no longer uses the battery pack's power. Furthermore, when the ECU detects that the battery pack's charge level has dropped to a set value, it will recharge the battery pack. When the drive motor is not used for a long time... When the battery pack loses power or is damaged, preventing the drive motor from starting normally, an external power supply can be connected to the corresponding port of the electronic control component to start the drive motor. After the drive motor starts, when the temperature sensor connected to the drive motor, the generator, the electronic control component, or the power output drive motor reaches the set value, the compressor is started to cool the drive motor or generator, the electronic control component, and the power output drive motor. The cooling system can also cool the drive motor or generator, the electronic control component, and the power output drive motor independently.

[0066] This invention has a simple and reasonable structure, a wide range of applications, and can effectively solve the problem of short usage time and frequent reliance on external power for charging when using battery packs as the power source for electric vehicles.

[0067] The above are merely preferred embodiments for illustrative purposes. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention shall fall within the protection scope of this invention.

Claims

1. The power motor and power supply method for electric vehicles, characterized in that, The main components include a power motor, a power supply system, and a cooling system; The aforementioned power motor mainly includes an electric motor and a transmission device; The power output terminal of the electric motor is connected to a transmission device, and the electric motor outputs power through the transmission device; The electric motor is equipped with a Hall sensor; The power supply system mainly includes a drive motor, a transmission, a generator, an electronic control component, and a battery pack. The drive motor in the power system is connected to the transmission in the power system, driving the transmission to rotate, and finally outputting power to the generator; the transmission is not only connected to the drive motor, but also to the generator, driving the generator to rotate. The electronic control component has one set of wires connected to the drive motor, one set of wires connected to the battery pack, one set of wires connected to the generator, one set of wires connected to the cooling system, one set of wires connected to the power motor, one set of wires connected to the Hall sensor of the power motor, one set of wires connected to the power motor speed control controller, one set of wires connected to the power motor gear control controller, one set of wires connected to the drive motor start switch, and one set of wires connected to the vehicle's display screen. The electronic control component is equipped with the function of rectifying and regulating the current supplied from the generator and then distributing it to various electronic components, and also has a port for supplying current to the outside. The main body of the cooling system includes a refrigerant compressor, a drive motor, an evaporator in the generator, an evaporator, a condenser, a fan, and a temperature sensor in the electronic control component.

2. According to claim 1, the power motor and power supply method for an electric vehicle are characterized in that, A smaller power drive motor drives a larger power generator through a transmission. The electricity generated by the larger power generator is delivered to the electronic control components. The electronic control components rectify and regulate the delivered current, and then distribute it to various electronic components and external current transmission ports.

3. According to claim 1, the power motor and power supply method for an electric vehicle are characterized in that, The electronic control components have the function of temporarily storing electrical energy.

4. According to claim 1, the power motor and power supply method for an electric vehicle are characterized in that, The drive motor only uses the power supplied by the battery pack to the electronic control unit when it starts up. After the drive motor starts, when the electronic control unit detects that the generator is supplying current, it will prioritize using the current supplied by the generator and will no longer use the power from the battery pack. In addition, when the electronic control unit detects that the battery pack's power has dropped to a set value, it will charge the battery pack.

5. According to claim 1, the power motor and power supply method for an electric vehicle are characterized in that, The cooling system mainly includes a refrigerant compressor, a drive motor and generator, an evaporator, an evaporator, a condenser, a fan, and a temperature sensor in the electronic control components.

6. According to claim 1, the power motor and power supply method for an electric vehicle are characterized in that, The aforementioned power motor, drive motor, generator, and electronic control components are all equipped with condensers.

7. The power motor and power supply method for an electric vehicle according to claim 1, characterized in that, After the drive motor is started, when the temperature sensor connected to the drive motor of the cooling system reaches the set value, or the temperature sensor connected to the generator reaches the set value, the temperature sensor in the electronic control component reaches the set value, or the temperature sensor in the power motor reaches the set value, the compressor is started to cool the drive motor or generator and electronic control component, and the power output drive motor. The cooling system can also cool the drive motor or generator, electronic control component, and power output drive motor separately.

8. The power motor and power supply method for an electric vehicle according to claim 1, characterized in that, The aforementioned transmission device is a gear transmission device. The power of the drive motor is input from the power input gear of the gear transmission device, passes through the transmission gear, and is finally output from the power output gear.

9. The power motor and power supply method for an electric vehicle according to claim 1, characterized in that, The aforementioned transmission is a crankshaft transmission. The power of the drive motor is input from the power input crankshaft of the crankshaft transmission, passes through the gear crankshaft, and is finally output from the power output half gear.

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