Convenient ultra-light model airplane power system

Abstract

The invention discloses a convenient ultra-light model airplane power system. According to different model airplane motor installation positions, a motor is well installed and fixed, and a spiral paddle and the motor are firmly installed; according to the power supply installation position, a power supply capacitor is well installed, and the motor and the capacitor are well connected through power supply wires; a normally-closed control switch is connected between the power supply wires in series, and a charging head is connected between the capacitor and the control switch in parallel. When the capacitor is charged through a mobile power supply, pressure is exerted on a button of the control switch so that the control switch can be switched off first; when charging is completed and a model airplane is thrown out and released, the control switch is instantly switched on at the same time because no pressure is exerted on the control switch. The capacitor can be charged again within two minutes after a flight is completed so that flights can be repeatedly achieved without detaching the model airplane or replacing the capacitor. Through the control mode, the advantage that the capacitor charging time is short is given into play, all the capacity of the capacitor is effectively utilized, and the defect that a capacitor is opposite to a battery is overcome.

Description

technical field [0001] The invention belongs to model airplanes, and relates to a convenient ultra-light model airplane power system. Background technique [0002] Problems in model aircraft design and activities: 1. Model aircraft design often worries about the selection of power sources when designing small model aircraft, because the weight of the battery is relatively large now, which has a great impact on the weight of the overall model aircraft, and finally the model has to be enlarged Aircraft size solves the problem. 2. When the model aircraft is flying, because the current batteries generally have the problem of long charging time, it usually takes several hours or more to charge a set of batteries, and it takes at least 20 minutes for fast charging and seriously affects the battery life. To solve this problem, the only way to solve this problem is to prepare a large number of batteries for replacement. 3. When flying for a long time, it is time-consuming to repla...

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Problems solved by technology

[0002] Problems in model aircraft design and activities: 1. Model aircraft design often worries about the selection of power sources when designing small model aircraft, because the weight of the battery is relatively large now, which has a great impact on the weight of the overall model aircraft, and finally the model has to be enlarged Aircraft size solves the problem

2. When the model aircraft is flying, because the current batteries generally have the problem of long charging time, it usually takes several hours or more to charge a set of batteries, and it takes at least 20 minutes for fast charging and seriously affects the battery life. , to solve this problem can only prepare a large number of batteries for replacement

3. It is time-consuming to replace the battery for each round during long-term flight

4. When charging the battery, the charger requires high precision, which leads to high price. Matching with model airplanes makes the price of model airplanes increase, which is not suitable for popularization.

5. The capacitor has the characteristics of light weight, charging time is as short as 10 seconds to 2 minutes, no special charger is needed, and the service life is long. However, compared with the battery, the capacitor capacity is relatively small, the effective use time is short, and the self-discharge is serious and the storage time is short. Insufficient waiting, especially the current model airplanes are powered on first and then thrown out to let the model airplane fly, resulting in a lot of waste of capacitor power, so the capacitor will not be used as the power supply when designing the model

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