| 摘要 |
<p>An air-driven generator has an impeller (3), an impeller shell (1) and a generator body (2), the impeller (3) is in the impeller shell (1), the generator body (2) is set on one end of the impeller shell (1), a rotor (21) of the generator body (2) and the impeller (3) are connected fixedly and coaxially, the side wall of the impeller shell (1) has at least one air inlet (11), the other end of the impeller shell (1) has an air outlet. The air-driven generator is set in the sleeve (721) which is inside the handle (72) of the dental handpiece, the sleeve (721) connects with the main power air pipe (81) in series, the front end of the handle (72) has a LED light (74), the LED light (74) connects with the voltage output of the generator through a lead (741).</p> |
