Abstract:
본 발명은 모터 유닛 및 그릴 셔터 구동장치를 개시한다. 개시된 본 발명에 의한 그릴 셔터 구동장치는, 복수의 그릴 셔터 사이에 개재되는 몸체유닛, 몸체유닛 내에 설치되어 그릴 셔터를 구동시키는 구동력을 발생시키는 모터유닛, 모터유닛의 구동력 발생을 제어하는 제어유닛 및, 모터유닛의 구동력을 그릴 셔터로 제공하는 연결유닛을 포함한다. 모터유닛은 전기 코일이 권선되는 복수의 권선치를 구비하여, 자화되는 고정자 및, 영구자석을 구비하여 자성을 가지며 고정자의 자화에 간섭되어 회전되는 회전자를 포함하며, 복수의 권선치는 짝수개가 상호 방사형으로 이격되어 마련되되, 상호 마주하는 복수의 권선치 중 어느 일측에만 전기 코일이 권선되도록 비대칭 권선 구조를 가진다.
Abstract:
본 발명은, 실린더, 실린더로 관통 형성된 흡입관, 흡입관과 이격되고 실린더로 관통 형성된 토출관, 및 흡입관으로부터 토출관으로 유동하는 유체를 분리하는 블레이드로 이루어진 로터리 압축기에 있어서, 실린더의 원통 형상의 내부 공간을 형성하는 하우징과, 실린더에서 로터 샤프트를 회전축으로 하여 일정 회전속도로 회전하는 편심형 롤러와, 편심형 롤러를 회전시키는 구동부와, 하우징의 일측에 형성된 블레이드 가이드홈을 따라 병진운동하고, 블레이드 가이드홈 내측에 삽입 고정된 탄성부재에 의해서 회전하는 편심형 롤러의 외측과 밀착되는 블레이드와, 블레이드의 병진운동 위치를 감지하는 감지부를 포함하는, 로터리 압축기를 개시한다. 본 발명에 의하면, 저비용으로 블레이드, 롤러, 및 모터의 회전자의 위치 측정이 용이하여, 블레이드, 롤러, 및 모터를 안정적으로 제어할 수 있다. 블레이드, 유도 코일, 교류전압, 편심형 롤러
Abstract:
PURPOSE: An apparatus for estimating the position of a compressor motor is provided to improve the reliability and efficiency of motor control by detecting the position of a rotor according to the principle of a magnetic filed by winding a wire around a conductor. CONSTITUTION: A rotor is rotatably installed in a stator. A plurality of magnets(20) are arranged outside the rotor to have an alternative polarity. A detection conductor(30) is formed on the outer surface of the rotor. An electromotive force detector(40) extracts the electromotive force induced through a coil wound around the conductor. A controller(50) determines the position of the rotor according to the electromotive force detected by the electromotive force detector.
Abstract:
The present invention relates to a permanent magnet motor. Disclosed are a method and a system for detecting faults in the serial coil type permanent magnet motor making a feature of comprising: a step of driving a serial type coil motor based on the defined current order value; a step of detecting the current vector of the motor; a step of calculating a current compensation value for removing the negative sequence component of the motor based on the current vector; a step of providing the current compensation value to a negative sequence current control device and calculating the output of the negative sequence current control device, a fault degree, and a fault image of the serial coil type motor using a fault model in which the inducement magnetic flux change amount of other slots on the specific image and the specific slot of the serial coil type motor; and a step of applying the current indication value in which the calculated fault image and fault degree are applied. [Reference numerals] (AA) START; (BB) END; (S101) Provide a control signal according to defined current instruction value to an invertor; (S103) Serial coil type motor operation according to control signal; (S105) Detect a current vector of a serial coil type motor; (S107) Calculate a current compensation value for removing a negative sequence component; (S109) Provide a current compensation value to a negative sequence current controller; (S111) Detect and apply a fault degree and a fault image using a fault model in which an inducement magnetic flux change amount and the output of a negative sequence current controller are applied
Abstract:
The present invention discloses a grill shutter driving device for driving a plurality of grill shutters installed in a route to which air is introduced, comprising a body unit which is interposed between the grill shutters; a motor unit which is installed in the body unit to generate a driving force for driving the grill shutters; a control unit which controls the generation of the driving force of the motor unit; and a connection unit which supplies the driving force of the motor unit to the grill shutters, wherein the motor unit includes a plurality of windings that an electric coil is winded, a magnetized stator and permanent magnet to have magnetic properties, and a rotator which is interfered by the magnetization of the stator and is rotated, and wherein the even-numbered windings are arranged to be spaced in the radial form while having an asymmetry winding structure so that the electric coil is winded in only one side of the windings opposite to each other. According to the present invention, the electric coil may be winded in only a part of the windings in which a torque is generated, thereby improving the process efficiency by the simplification of the part number and the process.
Abstract:
The present invention relates to a gate driving circuit for a large-capacity inverter capable of performing self-triggering in a large-capacity by using an SCR rectifier for reducing the volume of an initial charging circuit. Given in the present invention, a gate driving circuit for a large-capacity inverter includes a rectifier, an initial charging unit, and an SCR gate driving circuit. The SCR gate driving circuit includes a plurality of blocking diodes (D7 - D9), an A contact point relay (RY1), a plurality of SCR driving resistors (R7 - R9), and a plurality of filter capacitors (C7 - C9). [Reference numerals] (AA) Controller
Abstract:
PURPOSE: Location correction method of a Hall sensor of a BLDC electric motor using reverse electromotive voltage and BLDC electric motor supporting the same are provided to reduce vibration and noise by decreasing torque ripple. CONSTITUTION: A motor includes stator and rotor. Hall sensors (120) detect a location of a rotor of the motor. A motor control unit (130) controls driving of the motor. A memory stores a location correction value. An inverter (150) supplies power required for the motor driving. [Reference numerals] (130) Motor control unit; (140) PWM driving unit
Abstract:
본 발명의 회전자 위치 검출 장치를 내장한 브러시리스 직류 모터(Brushless DC Motor : BLDC Motor)에 관한 것으로, 엔코더의 사용 없이 회전자 위치를 간단하게 검출할 수 있도록 지원하기 위한 것이다. 이러한 본 발명에 따른 브러시리스 직류 모터는 고정자, 회전자, 영구 자석, 하우징, 브래킷, 및 회전자 위치 검출 장치를 포함한다. 여기서 회전자는 고정자 내측에 배치된다. 영구 자석은 회전자의 일정 영역에 배치된다. 하우징은 회전자를 관통하며 배치되는 축계, 고정자, 회전자, 영구 자석을 감싸며 축계가 관통하는 홀을 포함한다. 브래킷은 축계를 하우징에 고정하기 위하여 홀 주변에 배치된다. 그리고 회전자 위치 검출 장치는 하우징 후방 내측에 고정되어 회전자에 배치된 영구 자석의 자력 측정을 통한 회전자의 위치를 검출한다.
Abstract:
PURPOSE: A temperature compensation control method of a brushless DC(BLDC) motor and a device are provided to modify location information of a BLDC motor rotor measured by a hall sensor, thereby preventing malfunction of the BLDC motor. CONSTITUTION: A location of a BLDC motor rotor is measured through a hall sensor(S110). Temperature of the hall sensor or the surrounding hall sensor is measured through a temperature sensor(S120). Location information of the hall sensor is modified corresponding to the temperature measured by the temperature sensor(S130). An inverter is controlled corresponding to the modified location information(S140). [Reference numerals] (AA) Start; (BB) End; (S110) Measuring a location of a BLDC motor rotor; (S120) Measuring the temperature of a hall sensor or the surrounding hall sensor; (S130) Modifying location information of the hall sensor according to the measured temperature; (S140) Controlling an inverter