KR850001046Y1 - Remote Control Transmitter Using Ultrasonic Sensor - Google Patents
Remote Control Transmitter Using Ultrasonic Sensor Download PDFInfo
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- KR850001046Y1 KR850001046Y1 KR2019830009999U KR830009999U KR850001046Y1 KR 850001046 Y1 KR850001046 Y1 KR 850001046Y1 KR 2019830009999 U KR2019830009999 U KR 2019830009999U KR 830009999 U KR830009999 U KR 830009999U KR 850001046 Y1 KR850001046 Y1 KR 850001046Y1
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- South Korea
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- remote control
- transistor
- ultrasonic sensor
- capacitor
- control transmitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/02—Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
내용 없음.No content.
Description
제1도는 본 고안의 계통도.1 is a schematic diagram of the present invention.
제2도는 본 고안의 상세 회로도.2 is a detailed circuit diagram of the present invention.
제3도는 본 고안의 각부 파형도.3 is a waveform diagram of each part of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 주파수 선택 스위치부 2 : 비안정 멀리 바이브 레이터 회로1: Frequency selector switch 2: Unstable far vibrator circuit
3 : 위상반전 회로 4 : 초음파 발생 구동회로이다.3: Phase inversion circuit 4: Ultrasonic generation drive circuit.
본 고안은 선풍기 등의 원격 조정 송신기에 있어서, 초음파 센서에 의해 초음파를 발생시켜 원격제어하므로서 조정 불능상태라던가, 조정 범위가 광선등으로 부터 제약을 받지 않도록한 송신기에 관한 것이다.The present invention relates to a transmitter in which a remote control transmitter, such as a fan, generates an ultrasonic wave by an ultrasonic sensor and remotely controls the remote control transmitter so that the adjustment range is not restricted from the light beam or the like.
일반적으로, 선풍기등을 원격 조정키 위한 원격조정 송신기는 적외선 송신 방법으로 제어하게 되는데, 이러한 경우 센서와 가시방향에서만 원격조정이 가능하므로 원격조정 범위가 지극히 제한을 받게 되어 조정하는데 있어 용이치 못하며, 센서가 높은 광도(예 : 태양광등) 아래서는 센서에 의한 잡음신호 혼입으로 인해 감도가 저하될 뿐만 아니라, 동작불능을 유발시키게 되는 것이다.In general, a remote control transmitter for remote control of a fan, etc. is controlled by an infrared transmission method, in which case the remote control range is extremely limited because it can only be remotely controlled in the sensor and the visible direction, it is not easy to adjust, If the sensor is under high brightness (eg sunlight), the noise signal by the sensor will not only reduce the sensitivity but also cause the malfunction.
또한, 이러한 적외선 송신 주파수는 발진 코일의 더스트 코아(Dust core)를 조정하여 각 스위치단에 연결된 리액턴스(Reactance)값을 선택하도록 되어 송신 주파수를 조정하는데 어려운 점 등 원격조정에 있어 많은 저해 요인이 대두되었던 것이다.In addition, this infrared transmission frequency is adjusted to the dust core of the oscillation coil to select the reactance value connected to each switch stage, so that many obstacles to the remote control, such as difficult to adjust the transmission frequency has emerged It would have been.
본 고안은 이러한 점을 감안하여 적외선 센서가 아닌 초음파 센서를 이용하여 원격제어 할수 있도록 하므로서, 동작의 신뢰성을 부여하고, 사용상의 편의를 제공하기 위한 목적으로 안출한 것으로, 이를 도면에 의거 상세히 설명하면 다음과 같다.The present invention has been made for the purpose of providing remote control by using an ultrasonic sensor instead of an infrared sensor in consideration of such a point, to provide reliability of operation and provide convenience for use. As follows.
즉, 그 구성에 있어서는 직류공원(+Vcc)단에 다수의 선택 스위치(SW1~SW4) 및 주파수 선별저항(R2, R3, R4, R5)으로 된 주파수 선택 스위치부(1)를 연결하고, 이에 모노리틱 IC(Monolitic Integrated Circuit ; mc1455, me1455, NE555 등)(IC) 및 저항(R1), 콘덴서(C1,C2)등으로 이루어지는 비안정 멀티 바이브레이터(Astable multivibrator) 회로(2)를 연결하고, 이의 출력단(OUT)에 저항(R6,R7,R8) 및 트랜지스터(TR1)로 결선되는 위상반전 회로(3)를 연결하며, 초음파 발생여부에 따라 스위칭되는 다이오드(D)를 통하여 센서(S) 및 발진증폭 트랜스(T), 콘덴서(C3,C4,C5), 트랜지스터(TR2), 임피이던스 매칭(Impedance matching)용 저항(R10) 등으로 구성되는 초음파 발생 구동부(4)를 연결하여 된 것이다.That is, in the configuration, the frequency selection switch unit 1 comprising a plurality of selection switches SW 1 to SW 4 and frequency selection resistors R 2 , R 3 , R 4 and R 5 at the DC park (+ Vcc) stage. ), And an unstable multivibrator consisting of a monolithic integrated circuit (IC1455, me1455, NE555, etc.) (IC), a resistor (R 1 ), a capacitor (C 1 , C 2 ), and the like. The circuit 2 is connected, and the phase inversion circuit 3 connected to the resistors R 6 , R 7 and R 8 and the transistor TR 1 is connected to the output terminal OUT thereof, and switching is performed depending on whether the ultrasonic wave is generated. Through the diode (D), the sensor (S) and the oscillating amplifier (T), the capacitor (C 3 , C 4 , C 5 ), the transistor (TR 2 ), impedance matching (Impedance matching) resistance (R 10 ), etc. It is made by connecting the ultrasonic wave generation driver (4) consisting of.
이러한 구성을 갖는 본 고안의 동작상태를 설명하면, 처음에 임의의 선택 스위치(SW1)를 누르면, a1점에 전원 전압(+Vcc)이 인가되어 저항(R2,R1)을 통하여 콘덴서(C1)에 충전됨과 동시에 저항(R1) 및 콘덴서(C1)의 접속점(a)에 연결되는 모노리틱 IC(IC)의 문지방(Threshol1) 단자 및 트리거(Trigger) 단자에 인가되는 것인데, 콘덴서(C1)에 충전돈 전압이 시각 t2에서 2/3 Vcc에 이르렀다면, 그때 모노리틱 타이밍 IC(IC)에 내장된 회로의 동작으로 충전을 멈추고 저항(R1)을 통하여 방전을 시작한다.Referring to the operating state of the present invention having such a configuration, when an arbitrary selection switch (SW 1 ) is first pressed, a power supply voltage (+ Vcc) is applied to a 1 point, and the capacitors (R 2 , R 1 ) are connected to each other. geotinde soon as charged to the (C 1) is simultaneously applied to the resistor (R 1) and a condenser threshold (Threshol1) terminal, and the firing of the monolithic IC (IC) which is connected to the connection point (a) of (C 1) (trigger) terminals, If the charge voltage in the capacitor C 1 reaches 2/3 Vcc at time t 2 , then the charging is stopped by the operation of the circuit built in the monolithic timing IC (IC) and discharge is started through the resistor R 1 . do.
이후 콘덴서(C1)의 방전으로 a점 전위가 시각 t3에서 1/3Vcc 전압에 이르게 되면, 모노리틱 타이밍 IC(IC)의 동작으로 방전을 멈추고, 다시 콘덴서(C1)에 충전이 시작되는 것으로서, 이러한 콘덴서(C1)의 충방전은 주파수 선택스위치(SW1~SW4)를 통해서 주파수 선택 저항(R2,R3,R4,R5)에 전원(+Vcc)이 인가되는 동안 계속되는 것인데, 그 충방전의 주기에 있어서는 모노리틱 IC(IC)의 동작으로 콘덴서(C1)의 전압이 1/3 Vcc와 2/3 Vcc의 범위에서 이루어지게 되므로, 충전기간(T1)은 선택스위치(SW1)를 ON시켰을때는 (R1+R2) C1(여기서는 상수이다), 스위치(SW2) ON시에는 (R1+R2+R3) C1이고, 스위치(SW3) ON시에는 (R1+R2+R3+R4) C1이 되며, 스위치(SW4) ON시에는 (R1+R2+R3+R4+R5) C1이 된다. 한편, 방전 기간(T2)은 저항(R1)을 통하여 모노리틱 IC(IC) 내부로 방전하게 되는 것으로 항상 R1C1의 값으로 주어진다.If after the capacitor (C 1) discharged to a point A potential has reached 1 / 3Vcc voltage at time t 3, the monolithic stop the operation discharging a timing IC (IC), which is again the start of the charge in the capacitor (C 1) As the charge and discharge of the capacitor C 1 is applied to the frequency selection resistors R 2 , R 3 , R 4 , and R 5 through the frequency selection switches SW 1 to SW 4 , power (+ Vcc) is applied. In the charging / discharging cycle, since the voltage of the capacitor C 1 is in the range of 1/3 Vcc and 2/3 Vcc by the operation of the monolithic IC (IC), the charger T 1 is When the selector switch (SW 1 ) is turned on (R 1 + R 2 ) C 1 (here constant), when the switch (SW 2 ) is turned on (R 1 + R 2 + R 3 ) C 1 , the switch (SW 3 ) When ON, (R 1 + R 2 + R 3 + R 4 ) C 1 , and when the switch (SW 4 ) is ON, (R 1 + R 2 + R 3 + R 4 + R 5 ) C 1 do. On the other hand, the discharge period (T 2 ) is discharged into the monolithic IC (IC) through the resistor (R 1 ) is always given as a value of R 1 C 1 .
이와 같은 주기를 갖는 콘덴서(C1)의 충방전으로 모노리틱 IC(IC)의 출력단인 b점의 전위는 콘덴서(C1)가 충전되는 동안은 논리레벨 High 상태를 유지하게 되며, 콘덴서(C1)의 방전기간에는 Low 상태를 유지시키면서 위상반전 회로부(3)의 스위칭 트랜지스터(TR1)의 베이스에 인가되므로 b점의 전위가 High상태일 때 즉, 콘덴서(C1)의 충전기간에는 트랜지스터(TR1)가 ON되어 C점의 전위가 0 상태가 되고, b점의 전위가 LoW 상태일 때 즉, 콘덴서(C1)의 방전기간에는 트랜지스터(TR1)가 OFF 되어 C점의 전위가 +전위를 유지한다.Due to the charge and discharge of the capacitor C 1 having such a cycle, the potential at the point b, which is the output terminal of the monolithic IC IC, is maintained at a logic level high while the capacitor C 1 is charged. 1 ) is applied to the base of the switching transistor TR 1 of the phase inversion circuit section 3 while maintaining a low state, so that when the potential at point b is high, that is, between the chargers of the capacitor C 1 , the transistor TR When 1 ) is turned on and the potential at point C is at 0, and the potential at point b is at the LoW state, that is, during the discharge period of the capacitor C 1 , the transistor TR 1 is turned off so that the potential at the point C is at + potential. Keep it.
한편, 초음파 발생회로(4)에서는 전원(+Vcc)이 인가되면, 저항(R9)을 통하여 트랜지스터(TR2)의 베이스에 전류가 흘러 트랜지스터(TR2)가 ON 되어 발진 증폭 트랜스(T)의 1차측에 전류가 흐르게 되고, 이때 2차측에 유기전류가 발생되어 콘덴서(C5)를 통하여 트랜지스터(TR2)의 베이스에-전위가 인가되므로 트랜지스터(TR2)는 OFF되며, 트랜지스터(TR2)가 ON 상태에서 충전되었던 콘덴서(C3)의 충전전압은 트랜스(T)의 1차측 코일로 방전을 하게 되고, 그 방전 전류에 의하여 2차측에 유기전류가 발생되어 콘덴서(C5)를 통하여 트랜지스터(TR2)의 베이스에 +전위를 인가시키게 되므로 트랜지스터(TR2)는 다시 ON된다.On the other hand, in the ultrasonic wave generator 4, when a power supply (+ Vcc) is applied, a current flows to the base of the transistor TR 2 through the resistor R 9 so that the transistor TR 2 is turned on so that the oscillation amplifying transformer T is turned on. A current flows on the primary side of the transistor, and an organic current is generated on the secondary side, so that a potential is applied to the base of the transistor TR 2 through the capacitor C 5 so that the transistor TR 2 is turned off and the transistor TR 2 ) The charging voltage of the capacitor C 3 , which was charged in the ON state, is discharged to the primary coil of the transformer T, and an organic current is generated on the secondary side by the discharge current, so that the capacitor C 5 is discharged. Since the + potential is applied to the base of the transistor TR 2 through, the transistor TR 2 is turned on again.
이러한 과정을 되풀이 하면서 발진동작을 하게되는데, 이 발진파형은 초음파 센서(S)에 인가되어 초음파를 발생시키게 되는 것으로서, 이때의 발진주파수는 트랜스(T)의 1차측 인덕턴스와 콘덴서(C3)의 용량으로 결정되는 것이다.The oscillation operation is repeated while repeating this process. The oscillation waveform is applied to the ultrasonic sensor S to generate ultrasonic waves. The oscillation frequency at this time is the primary inductance of the transformer T and the condenser C 3 . It is determined by the dose.
그리고, 이러한 발진동작은 전원(+Vcc)이 인가되어 트랜지스터(TR2)의 스위칭 동작으로 콘덴서(C3)를 충방전 시키므로서 이루어지게 되므로 트랜지스터(TR1)의 ON으로 c점의 전위가 Low로 되면 트랜지스터(TR2)의 베이스는 다이오드(D)를 통하여 항상 Low 상태를 유지하게되어 발진을 하지 않는다.This oscillation operation is performed by applying a power supply (+ Vcc) to charge / discharge the capacitor C 3 by the switching operation of the transistor TR 2 , so that the potential at the c point is low when the transistor TR 1 is turned on. When the base of the transistor TR 2 is kept low through the diode D, oscillation is not performed.
즉, c점의 전위가 High상태인 동안, 다시말하면 전원전압(+Vcc)으로 콘덴서(C1)의 충전전압이 2/3Vcc에 이른 시각(t2)에서 1/3Vcc에 이르는 방전기간으로 트랜지스터(TR1)가 OFF된 기간(T2) 동안에만 트랜스(T)는 발진을 하게 되고, 이 발진 전압으로 초음파 센서(S)에서 초음파를 송신한다.In other words, while the potential at the point c is high, that is, the transistor is discharged in a discharge period of 1/3 Vcc at a time t 2 at which the charging voltage of the capacitor C 1 reaches 2/3 Vcc at the power supply voltage (+ Vcc). The transformer T oscillates only during the period T 2 in which the TR 1 is turned off, and the ultrasonic sensor S transmits ultrasonic waves at this oscillation voltage.
이상과 같은 발진 동작으로 초음파 센서(S)에서 초음파를 송신하게 되므로 적외선 송신으로 원격 조정하던 종래의 송신기와는 달리 태양광선하에서와 같이 센서가 높은 광도아래서 센서에 의한 잡음신호 혼입으로 감도가 저하된다던가 동작불능의 우려가 없으며, 송신기 주파수가 선택스위치에 의한 주파수 선택저항으로 조정되기 때문에 송신주파수 조정이 용이할뿐만 아니라, 원격조정 범위가 크게 확장되어 사용상의 편의를 제공하게 되는 등 여려가지 유익한 특징을 지닌 것이다.Since the ultrasonic sensor S transmits ultrasonic waves by the oscillation operation as described above, unlike the conventional transmitter which is remotely controlled by infrared ray transmission, the sensitivity is reduced due to the mixing of noise signal by the sensor under high brightness as in the sunlight. There is no fear of malfunction, and since the transmitter frequency is adjusted by the frequency selection resistor by the selector switch, not only is it easy to adjust the transmission frequency, but also the remote control range is greatly expanded to provide convenience. Will have.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019830009999U KR850001046Y1 (en) | 1983-11-25 | 1983-11-25 | Remote Control Transmitter Using Ultrasonic Sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019830009999U KR850001046Y1 (en) | 1983-11-25 | 1983-11-25 | Remote Control Transmitter Using Ultrasonic Sensor |
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| Publication Number | Publication Date |
|---|---|
| KR850001046Y1 true KR850001046Y1 (en) | 1985-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019830009999U Expired KR850001046Y1 (en) | 1983-11-25 | 1983-11-25 | Remote Control Transmitter Using Ultrasonic Sensor |
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| Country | Link |
|---|---|
| KR (1) | KR850001046Y1 (en) |
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1983
- 1983-11-25 KR KR2019830009999U patent/KR850001046Y1/en not_active Expired
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