AR070444A4 - Hair dryer whose electronic control circuit comprises a brushless DC motor - Google Patents

Hair dryer whose electronic control circuit comprises a brushless DC motor

Info

Publication number
AR070444A4
AR070444A4 ARM090100581U AR070444A4 AR 070444 A4 AR070444 A4 AR 070444A4 AR M090100581 U ARM090100581 U AR M090100581U AR 070444 A4 AR070444 A4 AR 070444A4
Authority
AR
Argentina
Prior art keywords
sensor
signal
control circuit
motor
transistor
Prior art date
Application number
Other languages
Spanish (es)
Inventor
Carlos Ceva
Original Assignee
Duna Entpr S L
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Duna Entpr S L filed Critical Duna Entpr S L
Priority to ARM090100581 priority Critical patent/AR070444A4/en
Publication of AR070444A4 publication Critical patent/AR070444A4/en

Links

Abstract

Es un secador de pelo cuyo circuito de control incorpora un motor del tipo de polos lisos con tres bobinas desfasadas a 120° conectadas en estrella y el rotor está provisto con imanes permanentes. It is a hair dryer whose control circuit incorporates a smooth pole type motor with three coils out of phase at 120 ° connected in a star connection and the rotor is provided with permanent magnets. El circuito electronico está compuesto por tres sensores S1, S2, S3, de efecto Hall emisores de senales cuadradas desfasadas 120° entre si, donde la senal de S1 pasa por un transistor buffer Q5; The electronic circuit is made up of three Hall effect sensors S1, S2, S3 emitting square signals out of phase 120 ° with each other, where the signal from S1 passes through a buffer transistor Q5; los sensores tienen salida por coIector y una resistencia, en el nivel bajo la corriente del sensor S1 pasa por el diodo D1, luego sigue por R4 a la compuerta del mosfet canal N Q4, reduciéndose a los primeros 120° del sensor correspondiente, donde se utiliza la senal del sensor siguiente en la secuencia S2 y pasando por R1 al transistor Q2; The sensors have a coIctor output and a resistance, at the low level the current from the sensor S1 passes through the diode D1, then it continues through R4 to the gate of the mosfet channel N Q4, reducing to the first 120 ° of the corresponding sensor, where it is uses the next sensor signal in sequence S2 and passing through R1 to transistor Q2; para el mosfet P Q3, se conecta el transistor Q1, la senal de S1 entra por R3 al emisor y la de S2 entra por R2 a la base; for the mosfet P Q3, the transistor Q1 is connected, the signal from S1 enters through R3 to the emitter and that of S2 enters through R2 to the base; las senales de dichos sensores S1, S2 y S3 son canalizadas a los seis CI mosfets de potencia que forman el circuito y resultan de la combinacion de la senal correspondiente a cada sensor con la del sensor siguiente en la secuencia definida por los transistores incorporados al circuito, con la interconexion al motor de un optoacoplador; the signals from said sensors S1, S2 and S3 are channeled to the six power IC mosfets that make up the circuit and result from the combination of the signal corresponding to each sensor with that of the next sensor in the sequence defined by the transistors incorporated into the circuit , with the interconnection to the motor of an optocoupler; la fuente de alimentacion está conectada a la red de CA Incluye un resistor en serie y un puente de diodos con su capacitor correspondiente y una derivacion a través de un diodo Zenner D8 complementados con un divisor de tension y capacitor de filtro. the power supply is connected to the AC network. It includes a series resistor and a diode bridge with its corresponding capacitor and a shunt through a Zenner D8 diode complemented with a voltage divider and filter capacitor. El circuito de control regula la velocidad por ángulo de fase mediante el comando por disparo de triacs. The control circuit regulates the speed by phase angle by triac triggering command.
ARM090100581 2009-02-19 2009-02-19 Hair dryer whose electronic control circuit comprises a brushless DC motor AR070444A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ARM090100581 AR070444A4 (en) 2009-02-19 2009-02-19 Hair dryer whose electronic control circuit comprises a brushless DC motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ARM090100581 AR070444A4 (en) 2009-02-19 2009-02-19 Hair dryer whose electronic control circuit comprises a brushless DC motor

Publications (1)

Publication Number Publication Date
AR070444A4 true AR070444A4 (en) 2010-04-07

Family

ID=42138884

Family Applications (1)

Application Number Title Priority Date Filing Date
ARM090100581 AR070444A4 (en) 2009-02-19 2009-02-19 Hair dryer whose electronic control circuit comprises a brushless DC motor

Country Status (1)

Country Link
AR (1) AR070444A4 (en)

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