阅读说明：本技术 一种基于电动多桨动力装置的动力伞 (Power umbrella based on electric multi-propeller power device ) 是由 高洪江 杜明洹 于 2019-12-19 设计创作，主要内容包括：本发明公开了一种基于电动多桨动力装置的动力伞,动力伞用电动多桨动力装置包括机体和安装在机体上的动力电池系统、推进系统和控制手柄。推进系统包括依次连接的电机控制器、驱动电机和螺旋桨；电机控制器、驱动电机、螺旋桨的数量均为偶数且一一对应；螺旋桨在电机控制器的控制下实现旋转并为动力伞提供动力；一半螺旋桨顺时针旋转,另一半螺旋桨逆时针旋转,顺时针旋转的螺旋桨的桨叶翼型与逆时针旋转的螺旋桨的桨叶翼型相反。本发明中动力伞用电动多桨动力装置利用电驱动技术,解决了现有内燃机动力伞噪音大、振动大、排放污染的问题；同时,消除了单桨动力装置带来的反向阻力。(The invention discloses a power umbrella based on an electric multi-paddle power device. The propulsion system comprises a motor controller, a driving motor and a propeller which are connected in sequence; the number of the motor controllers, the number of the driving motors and the number of the propellers are even and are in one-to-one correspondence; the propeller rotates under the control of the motor controller and provides power for the power umbrella; half of the propellers rotate clockwise, the other half of the propellers rotate anticlockwise, and blade profiles of the propellers rotating clockwise are opposite to blade profiles of the propellers rotating anticlockwise. The power umbrella utilizes the electric driving technology by the electric multi-propeller power device, and solves the problems of high noise, large vibration and pollution emission of the power umbrella of the existing internal combustion engine; meanwhile, the reverse resistance brought by a single-paddle power device is eliminated.)

1. The utility model provides a power umbrella based on electronic many oars power device which characterized in that includes:

the device comprises a machine body, and a propulsion system, a power battery system and a control handle which are arranged on the machine body;

the propulsion system is used for providing power for the machine body; the power battery system is connected with the propulsion system and is used for transmitting electric power to the propulsion system; the control handle is connected with the propulsion system and used for adjusting the power of the propulsion system;

the propulsion system comprises a motor controller, a driving motor and a propeller which are connected in sequence; the motor controllers, the driving motors and the propellers are all in even number and are in one-to-one correspondence; the propeller is used for realizing rotation under the control of the motor controller and providing power for the power umbrella; half of the propellers rotate clockwise, the other half of the propellers rotate anticlockwise, and blade airfoils of the propellers rotating clockwise are opposite to blade airfoils of the propellers rotating anticlockwise.

2. The umbrella of claim 1, wherein the driving motors rotating clockwise and the driving motors rotating counterclockwise are installed on the body in a circumferential direction alternately according to the rotation direction, and the center point of the rotor of each driving motor is equidistant from the center point of the body.

3. The umbrella of claim 1 or 2, wherein:

the power battery system comprises a battery management unit, a battery module and a contactor, wherein the battery management unit is connected with the battery module, the battery module is connected with the contactor, and the contactor is connected with the motor controller;

preferably, the power battery system comprises two battery modules, two battery management units and two contactors, wherein the battery modules, the battery management units and the contactors are electrically connected in a one-to-one correspondence mode, and the contactors are connected to the motor controller.

4. The power umbrella based on the electric multi-paddle power device as claimed in claim 3, wherein a switch button is arranged on the control handle, and the switch button is connected with the contactor and used for controlling the on-off of the contactor so as to realize the power output of the battery module.

5. The power umbrella based on the electric multi-paddle power device as claimed in claim 1, wherein a Hall angle sensor and a motor speed regulation PWM signal unit are installed in the control handle; the Hall angle sensor is used for generating an accelerator amount signal according to a handle pressing angle and inputting the accelerator amount signal into the motor speed regulation PWM signal unit; the motor speed regulation PWM signal unit is used for being electrically connected with a motor controller of the propulsion system and outputting motor speed control square waves with different duty ratios to the motor controller.

6. The power umbrella based on the electric multi-paddle power device as claimed in claim 1, wherein a mechanical steel cable is installed in the control handle, and a Hall angle sensor and a motor speed regulation PWM signal unit are arranged on the machine body; the pressing angle of the control handle is transmitted to a Hall angle sensor through the mechanical steel cable, the Hall angle sensor generates an accelerator amount signal, and the accelerator amount signal is input into a motor speed regulation PWM signal unit; the motor speed regulation PWM signal unit is electrically connected with a motor controller of the propulsion system and outputs motor speed control square waves with different duty ratios to the motor controller.

7. The power umbrella based on the electric multi-paddle power device as claimed in claim 3, wherein a display screen is arranged on the control handle, and the display screen is connected with the battery management unit through a bus and used for displaying the state of charge and the throttle amount signal of the battery module.

8. The umbrella of claim 1, wherein the number of the driving motors is four or six, and half of the driving motors rotate clockwise and the other half of the driving motors rotate counterclockwise.

9. The power umbrella based on the electric multi-paddle power device as claimed in claim 3, wherein the battery modules are provided with temperature sensors, and the battery management unit is connected with the corresponding battery modules and the temperature sensors through a data acquisition hub; the battery management unit is connected with a loudspeaker and is used for carrying out sound prompt on the temperature and the charge state of the battery module.

10. The power umbrella based on an electric multi-paddle power device as claimed in claim 1, wherein the driving motor is a three-phase permanent magnet synchronous motor; the motor controller is electrically connected with the corresponding driving motor and is integrated with the driving motor.

Technical Field

The invention relates to the technical field of power umbrellas, in particular to a power umbrella based on an electric multi-paddle power device.

Background

The power umbrella is used as an aviation sport equipment, has the characteristics of easy operation and high safety, and is an aviation sport equipment widely applied; meanwhile, the power parachute can be used as a flight platform for aerial photography, aerial survey, advertising, emergency survey and the like, and has certain industrial application value. For a long time, power umbrellas have used internal combustion engines as the driving propellers as the power plant. The internal combustion engine has the problems of large vibration, large noise, large emission pollution and the like, and seriously influences the entertainment and the comfort of the movement of the power umbrella.

With the development of secondary battery technology, power umbrellas have emerged that use electric power as a source of power. The electric power umbrella uses the secondary battery to drive the motor, drives the propeller to generate thrust, can solve the partial problem that the internal combustion engine is used as the power device of the power umbrella, but still has the problems of low safety and reliability and being not beneficial to control.

Meanwhile, no matter the power umbrella is an internal combustion engine or an electrically driven single-propeller power umbrella, reverse moment caused by driving a propeller exists, the problem is solved by bias installation of a power device and special flight operation training, and the effect is not ideal.

Disclosure of Invention

The invention overcomes the defects of the prior art, provides the power umbrella based on the electric multi-paddle power device, and can at least solve the problems of large vibration, large noise and serious pollution of the existing power umbrella, large reverse moment, difficult control and the like of the single-paddle electric power umbrella.

In order to achieve the above purpose, the invention provides the following technical scheme: a power umbrella based on an electric multi-paddle power device comprises:

the device comprises a machine body, and a propulsion system, a power battery system and a control handle which are arranged on the machine body;

the propulsion system is used for providing power for the machine body; the power battery system is connected with the propulsion system and is used for transmitting electric power to the propulsion system; the control handle is connected with the propulsion system and used for adjusting the power of the propulsion system;

the propulsion system comprises a motor controller, a driving motor and a propeller which are connected in sequence; the motor controllers, the driving motors and the propellers are all in even number and are in one-to-one correspondence; the propeller is used for realizing rotation under the control of the motor controller and providing power for the power umbrella; half of the propellers rotate clockwise, the other half of the propellers rotate anticlockwise, and blade airfoils of the propellers rotating clockwise are opposite to blade airfoils of the propellers rotating anticlockwise.

Based on the above, the clockwise rotating driving motor and the counterclockwise rotating driving motor are alternately and circumferentially installed on the machine body according to the rotation direction, and the distance between the center point of the rotor of each driving motor and the center point of the machine body is equal.

Based on the above, the power battery system comprises a battery management unit, a battery module and a contactor, wherein the battery management unit is connected with the battery module, the battery module is connected with the contactor, and the contactor is connected with the motor controller;

preferably, the power battery system comprises two battery modules, two battery management units and two contactors, wherein the battery modules, the battery management units and the contactors are electrically connected in a one-to-one correspondence mode, and the contactors are connected to the motor controller.

On the basis, a switch button is arranged on the control handle, connected with the contactor and used for controlling the on-off of the contactor so as to realize the power output of the battery module.

Based on the above, a Hall angle sensor and a motor speed regulation PWM signal unit are installed in the control handle; the Hall angle sensor is used for generating an accelerator amount signal according to a handle pressing angle and inputting the accelerator amount signal into the motor speed regulation PWM signal unit; the motor speed regulation PWM signal unit is used for being electrically connected with a motor controller of the propulsion system and outputting motor speed control square waves with different duty ratios to the motor controller.

Based on the above, a mechanical steel cable is installed in the control handle, and a hall angle sensor and a motor speed regulation PWM signal unit are arranged on the machine body; the pressing angle of the control handle is transmitted to a Hall angle sensor through the mechanical steel cable, the Hall angle sensor generates an accelerator amount signal, and the accelerator amount signal is input into a motor speed regulation PWM signal unit; the motor speed regulation PWM signal unit is electrically connected with a motor controller of the propulsion system and outputs motor speed control square waves with different duty ratios to the motor controller.

Based on the above, be provided with the display screen on the brake valve lever, the display screen passes through bus connection the battery management unit for show the state of charge and the throttle volume signal of battery module.

Based on the above, the number of the driving motors is four or six, wherein one half of the driving motors rotate clockwise, and the other half of the driving motors rotate anticlockwise.

Based on the above, the battery module is provided with a temperature sensor, and the battery management unit is connected with the corresponding battery module and the temperature sensor through a data acquisition concentrator; the battery management unit is connected with a loudspeaker and is used for carrying out sound prompt on the temperature and the charge state of the battery module.

Based on the above, the driving motor is a three-phase permanent magnet synchronous motor; the motor controller is electrically connected with the corresponding driving motor and is integrated with the driving motor.

Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:

the invention can provide a power umbrella based on an electric multi-propeller power device, which adopts a secondary battery module, such as a lithium ion battery, as an electric power source, and drives a motor after power conversion is carried out through a motor controller to drive a propeller to generate thrust, thereby effectively solving the problems of vibration, noise and emission pollution of the traditional internal combustion power umbrella.

The safety level of the electric power umbrella is improved by arranging the plurality of battery modules, the parallel connection of the battery modules for outputting electric power is realized through the contactor, and the battery modules can be timely closed after problems such as discharge faults and abnormal rise of battery temperature occur in one of the battery modules, so that the hidden danger is prevented from further expanding; meanwhile, after one battery module is closed, the characteristic that the discharge power of the secondary battery module is large is utilized, and the other battery module is used for continuously providing power for the motor, so that the flight safety is guaranteed.

And thirdly, the multi-propeller contra-rotating propeller layout is adopted, so that the reverse torque of the motor can be eliminated, and the controllability of the power umbrella is improved. The power umbrella provided with the electric multi-propeller power device adopts the positive and negative rotation of a motor and the corresponding installation of positive and negative propellers to generate forward thrust; meanwhile, the configuration can also offset the reverse torque of each motor, eliminate the reverse torque of the driving propeller and greatly improve the controllability of the power umbrella.

Drawings

FIG. 1 is a schematic diagram of a double-battery module four-paddle power device for a power umbrella in the embodiment of the invention;

FIG. 2 is a schematic diagram of a single cell module four-paddle power device for a power umbrella in the embodiment of the invention;

FIG. 3 is a schematic diagram of a dual-battery module six-paddle power device for a power umbrella according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a single cell module six-paddle power device for a power umbrella in an embodiment of the invention;

FIG. 5 is a first schematic structural view of a control handle according to an embodiment of the present invention;

FIG. 6 is a second schematic structural view of a control handle according to an embodiment of the present invention;

FIG. 7 is a front view of the body of the electric multi-paddle power device for the power umbrella in the embodiment of the invention;

FIG. 8 is a rear view of the power umbrella power device.

In the figure: 1 is a machine body; 2 is a charging port; 3 is a data acquisition concentrator; 4 is a battery module; 5 is a temperature sensor; 6 is a contactor; 7 is a Hall current sensor;

8 is a direct current bus; 9 is a control handle; 10 is a switch button; 11 is a display; 12 is a battery management unit; 13 is a loudspeaker; 14 is a CAN bus;

15 to 20 are all motor controllers; 21 is a data acquisition concentrator; 22 is a battery module; 23 is a temperature sensor; 24 is a Hall current sensor; 25 is a contactor; 26 is a battery management unit;

27 is an outer ring; 28 is an inner ring; 29 is a connecting rod; 30 is a driving motor; 31 is a mounting ring; 32 and 33 are both mounting plates; 34 is a pull rope displacement sensor; 35 is a mounting frame; 36 is a suspension arm; 37 is a handle main body; 38 is a pressing handle; and 39 is a mounting box body.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.

The power umbrella comprises an engine body, a power battery system, a propulsion system and a control handle, wherein the power battery system comprises a secondary battery module, a battery management unit and a contactor unit and is used for providing electric power for the propulsion system.

The number of the driving motors, the propellers and the motor controllers of the propulsion system is even, preferably the even number is an even number larger than 2, and one driving motor is electrically connected with one motor controller and drives one propeller; in the even number of the driving motors, one half of the driving motors rotate clockwise, and the other half of the driving motors rotate anticlockwise; the propellers are also even in number and are all thrust propellers, and the wing profiles of the propellers arranged on the clockwise rotating driving motor are opposite to the wing profiles of the propellers arranged on the anticlockwise rotating driving motor.

The power battery system is provided with a replaceable battery module, and the battery module is connected with the battery management unit and is electrically connected with the contactor unit to output electric power.

The control handle is electrically connected with an even number of motor controllers of the propulsion system, and the motor controllers adjust the rotating speed of the driving motor according to the action condition of the control handle.

The control handle is provided with a switch button and is electrically connected with the power battery system, and the power output of any group of replaceable battery modules is disconnected by controlling the contactor unit. The control handle is connected with the battery management unit through a bus, and a display screen is further mounted on the control handle and used for displaying the charge state and the throttle proportion of the battery module.

When the control handle is designed integrally, a Hall angle sensor and a motor speed regulation PWM signal unit are installed in the control handle; the Hall angle sensor generates an accelerator amount signal according to the handle pressing angle and inputs the accelerator amount signal into a motor speed regulation PWM signal unit; the motor speed regulation PWM signal unit is electrically connected with a motor controller of the propulsion system.

The other type of control handle is that a mechanical steel cable is arranged in the control handle, and a Hall angle sensor and a motor speed regulation PWM signal unit are arranged on the machine body; the pressing angle of the control handle is mechanically transmitted to a Hall angle sensor through a steel cable, and an accelerator amount signal is generated by the Hall angle sensor and is input into a motor speed regulation PWM signal unit; the motor speed regulation PWM signal unit is electrically connected with a motor controller of the propulsion system.

The battery management unit carries out voice prompt on the temperature and the charge state of the battery module through the loudspeaker.

Four specific examples are given below, depending on the number of propellers and the number of battery modules.