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KR930007010B1 - Temperature display circuit of monitor - Google Patents

Temperature display circuit of monitor Download PDF

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Publication number
KR930007010B1
KR930007010B1 KR1019880009472A KR880009472A KR930007010B1 KR 930007010 B1 KR930007010 B1 KR 930007010B1 KR 1019880009472 A KR1019880009472 A KR 1019880009472A KR 880009472 A KR880009472 A KR 880009472A KR 930007010 B1 KR930007010 B1 KR 930007010B1
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South Korea
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output
sawtooth wave
horizontal
vertical
resistor
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KR1019880009472A
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Korean (ko)
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KR900002632A (en
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이윤기
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주식회사 금성사
최근선
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Liquid Crystal (AREA)

Abstract

The temperature display circuit displays the temperature inside a monitor or a room on a screen by using a thermistor to prevent the malfunction of memories. The circuit comprises a horizontal sawtooth wave generator (1) for generating the sawtooth wave by driving a transistor (Q1), a horizontal display setting section (2) for setting the level of the horizontal sawtooth wave with a varistor (VR1) and an invertor, a temperature voltage detecting section (3) for controlling the voltage (Vcc) with a thermistor, a vertical sawtooth wave generator (5), a current level setting section (6) for setting the level of the vertical sawtooth wave with a varistor (VR2), a vertical display pulse output section (7), and an output signal mixing section (8) for controlling the voltage applying to an image green output section (9).

Description

모니터의 온도 표시회로Temperature display circuit of the monitor

제1도는 본 발명 온도 표시 회로도.1 is a temperature display circuit diagram of the present invention.

제2도는 (a) 내지 (i)는 본 발명 온도 표시회로의 각부 파형도.2 is a waveform diagram of each part of the temperature display circuit of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

R1-R15: 저항 VR1, VR2: 가변저항R 1 -R 15 : resistance VR 1 , VR 2 : variable resistance

C1-C7: 콘덴서 TH1: 더어미스터C 1 -C 7 : Condenser TH 1 : Thermistor

D1-D7: 다이오 ZD1: 제너다이오드D 1 -D 7 : DIO ZD 1 : Zener Diode

I1-I4: 인버터 L1: 코일I 1 -I 4 : Inverter L 1 : Coil

Vcc : 전원 1 : 수평톱니파 발생부Vcc: Power 1: Horizontal Sawtooth Wave Generator

2 : 수평표시 펄스출력부 3 : 온도전압감지부2: Horizontal display pulse output part 3: Temperature voltage detection part

4 : 수직출력부 5 : 수직톱니파발생부4: vertical output unit 5: vertical sawtooth wave generating unit

6 : 직류레벨성정부 7 : 수직표시 펄스출력부6 DC level compensator 7 Vertical display pulse output unit

8: 출력신호혼합부 9 : 영상녹색 출력부8: Output signal mixing unit 9: Image green output unit

P1: 입력단자P 1 : Input terminal

본 발명은 모니터에 관한 것으로, 특히 모니터 내부 혹은 실내온도를 화면에 표시하게한 모니터의 온도표시회로에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a monitor, and more particularly, to a temperature display circuit of a monitor that displays a monitor's internal or indoor temperature on a screen.

종래의 모니터에는 컴퓨터나 모니터의 내부동작 온도, 실내 온도를 나타내주는 회로가 없었기 때문에 고온으로 인하여 기억소자등이 오동작되거나 수평이 단축되는 현상이 있었을 뿐 아니라 내부 온도의 변화등을 알 수 없게 되는 결함이 있었다.Conventional monitors do not have a circuit that displays the internal operating temperature of the computer or the monitor, so that the memory device malfunctions or the horizontal level is reduced due to the high temperature, and the change in the internal temperature is not known. There was this.

본 발명은 이와 같은 결함을 감안하여 온도감지용 더어미스터로 셋트내부의 온도변화를 점검함으로써 고온으로 인한 기억소자등의 오동작을 미연에 방지하도록한 모니터의 온도 표시회로를 창안한 것으로, 이를 첨부한 도면에 의하여 상세히 설명하면 다음과 같다.In view of such a deficiency, the present invention has devised a temperature display circuit of a monitor that prevents a malfunction of a memory device due to a high temperature by checking a temperature change in a set with a temperature sensing demister. Referring to the drawings in detail as follows.

제1도는 본 발명 온도표시 회로도로서 이에 도시한 바와 같이, 입력단자(P1)를 통과한 수평동기신호가 직류차단용 콘덴서(C1), 분재저항(R1) 병렬 접속된 다이오드(D1-D3)를 통과하게 하고, 전원(Vcc)이 바이어스 저항(R2-R4), 콘덴서(C2)에 접속된 트랜지스터(Q1)를 구동하여, 톱니파를 발생하게한 수평톱니파 발생부(1)와 전원(Vcc)인가용 가변저항(VR1)을 조정하여, 상기한 수평톱니파 발생부(1)의 출력레벨을 조정한 후 인버터(I1), 콘덴서(C5)C4,분배저항(R5)을 통과시켜, 수평표시 펄스를 출력하게한 수평표시 펄스출력부(2)와, 직류차단용 콘덴서(C5)를 통과한 수직출력부(4)의 수직동기신호가 코일(L1), 저항(R10)을 통하여 톱니파를 발생하게한 수직톱니파 발생부(5)와, 전원(Vcc)이 분배 저항(R7-R9), 정전압용 제너다이오드(ZD1)를 통하여 분배되게한 후 온도감지용 더어미스터(TH1)에 의하여 전압을 변화하여, 실내온도를 감지하게한 온도전압감지부(3)와, 저항(R11)(R12)(R17)을 통하여 상기한 수직톱니파 발생부(5), 온도전압감지부(3)의 출력이 분배되게한 후 전원(Vcc)인가용 가변저항(VR2)을 조정하여, 다이오드(D7)에 인가시켜, 직류레벨을 설정하게한 직류레벨 설정부(6)와, 인버터(I2)를 통과한 상기 직류레벨 설정부(6)의 출력이 미분용 콘덴서(C7), 저항(R13)을 통과하게한 후 인버터(I3)(I4)를 통하여 펄스를 출력하게한 수직표시 펄스출력부(7)와, 상기한 수평표시 펄스출력부(2)의 출력이 다이오드(D4)를 통하여 저항(R6)을 통과한 전원(Vcc)을 제어하게 하고, 상기한 수직표시 펄스출력부(7)의 출력이 콘덴서(C8) 저항(R14), 다이오드(D8)를 통하여 저항(R8)을 통과한 전원(Vcc)을 제어한 후 다이오드(D7)를 통하여 영상녹색 출력부(9)에 인가되게한 출력 신호혼합부(8)로 구성한 것이다.1 is a circuit diagram of a temperature display according to the present invention. As shown therein, a diode D 1 having a horizontal synchronous signal passing through an input terminal P 1 connected in parallel with a DC blocking capacitor C 1 and a bonsai resistor R 1 . -D 3 ) and a horizontal sawtooth wave generator in which a power supply Vcc drives a transistor Q 1 connected to a bias resistor (R 2 -R 4 ) and a capacitor (C 2 ) to generate a sawtooth wave. (1) and the variable resistor (VR 1 ) for applying the power supply (Vcc), and after adjusting the output level of the horizontal sawtooth wave generator (1), the inverter (I 1 ), capacitor (C 5 ) C 4, The vertical synchronizing signal of the horizontal display pulse output unit 2 through which the distribution resistor R 5 is passed to output the horizontal display pulse and the vertical output unit 4 which has passed through the DC blocking capacitor C 5 is coiled. (L 1 ), the vertical sawtooth wave generator 5 which generates the sawtooth wave through the resistor R 10 , and the power supply Vcc connect the distribution resistors R 7 to R 9 and the zener diode ZD 1 for the constant voltage. Distribution through By changing the voltage by after Keihan the temperature sensing deoeo Mr (TH 1) for, by the via and one senses the room temperature temperature voltage detection portion 3, the resistance (R 11) (R 12) (R 17) After the outputs of the vertical sawtooth wave generator 5 and the temperature voltage detector 3 are distributed, the variable resistor VR 2 for applying the power supply Vcc is adjusted and applied to the diode D 7 so as to apply a DC level. After the DC level setting section 6 and the output of the DC level setting section 6 having passed through the inverter I 2 pass through the differential capacitor C 7 and the resistor R 13 , the inverter (I 3), (I 4) for outputting a pulse to the vertical display pulse output unit 7, through through the output diode (D 4) of said one horizontal display pulse output unit (2) resistance (R 6) To control the power supply (Vcc) passed through, and the output of the vertical display pulse output unit 7 passes through the resistor (R 8 ) through the capacitor (C 8 ) resistor (R 14 ), diode (D 8 ). One power supply (Vcc) Diodes (D 7) is configured as a green image output unit 9 outputs the signal mixing portion (8) to be applied to the via.

제2도(a-h)는 제1도의 각부 파형도를 나타낸 것이다.FIG. 2 (a-h) shows the waveform diagram of each part of FIG.

이와 같이 구성된 본 발명의 작용효과를 설명하면 다음과 같다.Referring to the effects of the present invention configured as described above are as follows.

제2도에 도시한 바와 같이, 직류차단용 콘덴서(C7)를 통과한 제2도(a)에 도시한 바와 같은 수직동기 신호가 코일(L1)과 저항(R10)을 통과함에 따라 제2도(b)에 도시한 바와 같은 톱니파형으로 변화되며, 전원(Vcc)이 저항(R7-R9), 제너다이오드(ZD1), 더어미스터(TH1)를 통하여 분배된 후 저항(R17)(R11)(R12), 가변저항(VR2)을 통하여 분배되는데, 이때 가변저항(VR2)을 조정함에 따라 톱니파형의 직류레벨이 변동된다.As shown in FIG. 2, as the vertical synchronous signal as shown in FIG. 2 (a) passing through the DC blocking capacitor C 7 passes through the coil L 1 and the resistor R 10 . As shown in FIG. 2 (b), the sawtooth waveform is changed, and the power source Vcc is distributed through the resistors R 7 -R 9 , the zener diodes ZD1, and the thermistor TH 1 , and then the resistances ( the DC level of the sawtooth waveform is varied as the R 17) (R 11) ( R 12), there is distributed through the variable resistor (VR 2), wherein adjusting the variable resistor (VR 2).

그리고 톱니파형이 인버터(I2)를 통하여 반전되어 레벨을 검출함에 따라 제2도(c)에 도시한 바와 같은 파형으로 변화된 후 콘덴서(C7)와 저항(R13)을 통하여 미분되어 제2도(d)에 도시한 바와 같은 미분 파형으로 변형되며, 이의 신호가 인버터(I3)를 통하여 반전되어 검출됨에 따라 제2도(e)에 도시한 바와 같은 파형으로 변화된 후 인버터(I4)를 통하여 제2도(f)와 도시한 바와 같은 파형으로 출력되어 콘덴서(C8)와 저항(R14)에 인가된다.As the sawtooth waveform is inverted through the inverter I 2 to detect the level, the sawtooth waveform is changed into a waveform as shown in FIG. 2C, and then differentiated through the capacitor C 7 and the resistor R 13 to obtain a second waveform. It is transformed into a differential waveform as shown in Fig. (D), and after the signal thereof is inverted through the inverter I 3 and detected, it is changed into a waveform as shown in Fig. 2 (e) and then the inverter I 4 . It is the output through a waveform as shown as FIG. 2 (f) is applied to the capacitor (C 8) and a resistor (R 14).

이와 동시에 저항(R6)과 다이오드(D7)(D8)를 통하여 영상녹색출력부(9)에 인가된 전원(Vcc)이 저항(R14)과 콘덴서(C0)에 인가된 온도변화에 따른 출력 파형에 의하여 제어됨으로써 온도변환에 따라서 화면의 수직면에 녹색의 수평바아가 나타난다.At the same time, the temperature change applied to the resistor R 14 and the capacitor C 0 by the power supply Vcc applied to the image green output unit 9 through the resistor R 6 and the diode D 7 and D 8 . Controlled by the output waveform according to the green horizontal bar appears on the vertical plane of the screen in accordance with the temperature conversion.

즉, 모니터의 내부 온도가 상승하면, 더어미스터(TH1)의 저항값이 감소되어 분배저항(R8)(R9)의 전압이 상승되므로 제2도(c)에 도시한 바와 같이 고전위로 인식되는 톱니파(점t1)가 넓어져 우측으로 이동된 후 변화되어 영상녹색 출력부(9)의 입력전원을 제어함에 따라 화면에 나타나는 녹색바아가 하측에 나타나고, 모니터의 내부 온도가 낮아지면, 상기의 동작이 반대로 수행되므로 화면의 녹색바아가 상측에 나타난다.That is, when the internal temperature of the monitor rises, the resistance value of the demister (TH 1 ) decreases and the voltage of the distribution resistors (R 8 ) (R 9 ) rises, so as shown in FIG. When the recognized sawtooth wave (dot t 1 ) is widened and moved to the right side, it changes and controls the input power of the image green output unit 9 so that a green bar appears on the lower side, and when the internal temperature of the monitor becomes low, Since the above operation is reversed, the green bar of the screen appears on the upper side.

따라서 모니터의 내부온도가 상승되면, 화면의 녹색바아가 위에서 아래로 나타나게 된다.Therefore, when the internal temperature of the monitor rises, the green bar of the screen appears from top to bottom.

한편 직류차단용 콘덴서(C1)를 통과하여 분배저항(R1)에 인가된 제2도(g)에 도시한 바와 같은 수평동기 신호가 다이오드(D3)를 통하여 콘덴서(C2)를 충전시키고, 전원(Vcc)의 바이어스 저항(R2)(R3)을 통하여 트랜지스터 턴온시킨 후 콘덴서(C2)의 충전전원이 방전됨에 따라 제2도(h)에 도시한 바와 같은 톱니파가 발생되며, 이때 가변저항(VR1)을 조정하여 톱니파의 직류레벨을 조정한다.On the other hand, a horizontal synchronous signal as shown in FIG. 2 (g) applied through the DC blocking capacitor C 1 and applied to the distribution resistor R 1 charges the capacitor C 2 through the diode D 3 . After the transistor is turned on through the bias resistor (R 2 ) (R 3 ) of the power supply (Vcc), the sawtooth wave is generated as shown in FIG. 2 (h) as the charging power of the capacitor (C 2 ) is discharged. At this time, adjust the DC level of the sawtooth wave by adjusting the variable resistor (VR 1 ).

이와 동시에 발생된 톱니파가 인버터(I1)를 통하여 반전되어 레벨을 검출함에 따라 제2도(i)에 도시한 바와 같은 파형으로 변화되고, 저항(R8)과 다이오드(D4)(D5)를 통하여 영상녹색 출력부(9)에 인가되는 전원(Vcc)이 상기에서 검출된 신호에 의하여 제어됨으로서 수평화면의 앞부분이 짤리게 된다.At the same time, the generated sawtooth wave is inverted through the inverter I 1 and changed into a waveform as shown in FIG. 2 i as it detects the level, and the resistor R 8 and the diode D 4 (D 5 ). The power Vcc applied to the image green output unit 9 is controlled by the signal detected above, thereby cutting off the front part of the horizontal screen.

따라서 모니터의 내부온도가 낮으면, 화면의 우측 상단에 짧은 녹색바아가 나타나고, 온도가 높아짐에 따라 녹색바아가 하단으로 이동됨으로써 온도변화에 의한 화면표시가 가능해진다.Therefore, when the internal temperature of the monitor is low, a short green bar appears on the upper right side of the screen, and as the temperature increases, the green bar moves to the lower side, thereby enabling the screen display by the temperature change.

Claims (1)

모니터의 영상녹색 출력회로에 있어서, 수평동기 신호가 콘덴서(C1), 저항(R1) 다이오드(D3)를 통과하게 하고, 전원(Vcc)이 바이어스 저항(R2-R4), 콘덴서(C2)에 접속된 트랜지스터(Q1)를 구동하여, 톱니파를 발생하게 한 수평톱니파 발생부(1)와, 상기한 수평톱니파 발생부(1)의 출력이 가변저항(VR1), 인버터(I1)를 통하여 레벨을 설정하게한 수평표시 설정부(2)와, 전원(Vcc)이 저항(R7-R9), 제너다이오드(ZD1)를 통하여 분배된 후 더어미스터(TH1)를 통하여 제어 되게한 온도전압감지부(3)와, 수직출력부(4)의 출력이 코일(L1), 저항(R10)을 통하여 톱니파를 발생하게 한 수직톱니파 발생부(5)와, 상기한 온도전압감지부(3), 수직톱니파 발생부(4)의 출력이 저항(R11)(R12)(R15)에 분배되게한 후 가변저항(VR2)을 조정하여 직류레벨을 설정하게 한 직류레벨설정부(6)와, 상기한 직류레벨 설정부(6)의 출력이 인버터(I2)를 통과하고, 콘덴서(C7), 저항(R13)을 통하여 미분된 후 인버터(I3)(I4)를 통하여 펄스를 발생하게 한 수직표시 펄스출력부(7)와, 상기한 수평, 수직펄스출력부(2)(7)의 출력이 각각의 콘덴서(C8), 저항(R14), 다이오드(D4)(D6)에 분배되게한 후 저항(R6), 다이오드(D5)를 통하여 영상녹색 출력부(9)에 인가되는 전원(Vcc)을 제어하게 한 출력신호 혼합부(8)로 구성하여된 것을 특징으로 한 모니터의 온도 표시회로.In the image green output circuit of the monitor, the horizontal synchronous signal is passed through the capacitor (C 1 ), the resistor (R 1 ) diode (D 3 ), and the power supply (Vcc) is the bias resistor (R 2 -R 4 ), the capacitor. The output of the horizontal sawtooth wave generator 1 driving the transistor Q 1 connected to (C 2 ) to generate a sawtooth wave, and the output of the horizontal sawtooth wave generator 1, is a variable resistor VR 1 and an inverter. The horizontal display setting unit (2) which sets the level through (I 1 ), and the power supply (Vcc) are distributed through the resistors (R 7 -R 9 ) and the zener diode (ZD 1 ), and then the thermistor (TH 1). ) a so control the temperature voltage detection part 3 via the, and the output of the vertical output section (4) coil (L 1), a resistance (R 10) for generating a sawtooth wave to the vertical sawtooth wave generated by unit 5 The output of the temperature voltage detector 3 and the vertical sawtooth wave generator 4 are distributed to the resistors R 11 , R 12 , and R 15 , and then the variable resistor VR 2 is adjusted to adjust the DC level. DC level to set After the setting section 6 and the output of the DC level setting section 6 pass through the inverter I 2 , are differentiated through the capacitor C 7 and the resistor R 13 , the inverter I 3 ( The output of the vertical display pulse output unit 7 and the horizontal and vertical pulse output units 2 and 7 which generate pulses through I 4 ) are respectively condensers C 8 and resistors R 14 . , Output signal mixing unit for distributing to diode D 4 and D 6 and controlling power Vcc applied to image green output unit 9 through resistor R 6 and diode D 5 . A temperature display circuit of a monitor, characterized by comprising (8).
KR1019880009472A 1988-07-27 1988-07-27 Temperature display circuit of monitor KR930007010B1 (en)

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KR930007010B1 true KR930007010B1 (en) 1993-07-26

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