KR960039519A - Voltage monitoring device - Google Patents

Voltage monitoring device Download PDF

Info

Publication number
KR960039519A
KR960039519A KR1019960010113A KR19960010113A KR960039519A KR 960039519 A KR960039519 A KR 960039519A KR 1019960010113 A KR1019960010113 A KR 1019960010113A KR 19960010113 A KR19960010113 A KR 19960010113A KR 960039519 A KR960039519 A KR 960039519A
Authority
KR
South Korea
Prior art keywords
load
circuit
voltage
relay
secondary coil
Prior art date
Application number
KR1019960010113A
Other languages
Korean (ko)
Other versions
KR0165743B1 (en
Inventor
시게아끼 야스이
유끼히로 스즈끼
Original Assignee
나이또오 스스무
린나이 가부시끼가이샤
최창선
린나이 코리아 주식회사
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 나이또오 스스무, 린나이 가부시끼가이샤, 최창선, 린나이 코리아 주식회사 filed Critical 나이또오 스스무
Publication of KR960039519A publication Critical patent/KR960039519A/en
Application granted granted Critical
Publication of KR0165743B1 publication Critical patent/KR0165743B1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145—Indicating the presence of current or voltage
    • G01R19/15—Indicating the presence of current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/04—Single phase motors, e.g. capacitor motors

Abstract

본 발명의 목적은 낮은 비용으로 상용전원의 전압을 정확하게 감시할 수 있는 전압감시장치의 제공에 있다. 루버모터(30)를 작동시키기 위한 루버작동 지시신호(801)가 입력되면, 마이크로컴퓨터(8)는 통전지시신호(820)를 송출하여 디지탈트랜지스터(4)를 온하여 릴레이(3)를 작동시키고, 또 루버작동 지시신호(801)가 입력되지 않을 경우는 디지탈트랜지스터(4)가 오프, 릴레이(3)가 비작동, 접속점(m)이 하이레벨, 디지탈트랜지스터(6)가 온이 되어 저항치가 릴레이(3)와 같은 저항(5)으로에 통전이 행하여진다.It is an object of the present invention to provide a voltage monitoring apparatus which can accurately monitor the voltage of a commercial power supply at low cost. When the louver operation instruction signal 801 for operating the louver motor 30 is input, the microcomputer 8 sends the energization instruction signal 820 to turn on the digital transistor 4 to operate the relay 3 When the louver operation instruction signal 801 is not input, the digital transistor 4 is turned off, the relay 3 is inactive, the connection point m is high, the digital transistor 6 is turned on, Electric current is applied to the resistor 5 such as the relay 3.

Description

전압감시장치Voltage monitoring device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명의 제1실시예에 관계된 전압감지장치의 전기회로도이고, 제2도는 본 발명의 제2실시예에 관계된 전압감시장치의 전기회로도이며, 제3도는 본 발명의 제3실시예에 관계된 전압감시장치의 전기회로도이고, 제4도는 본 발명의 제4실시예에 관계된 전압감시장치의 전기회로도이다.FIG. 1 is an electric circuit diagram of a voltage sensing apparatus according to a first embodiment of the present invention, FIG. 2 is an electric circuit diagram of a voltage monitoring apparatus according to a second embodiment of the present invention, Fig. 4 is an electric circuit diagram of the voltage monitoring apparatus according to the fourth embodiment of the present invention. Fig.

Claims (4)

1차코일을 상용전원에 접속한 전원트랜스와, 상기 전원트랜스의 2차코일에 접속되는 정류회로와, 상기전원트랜스의 2차코일측에 접속되는 부하회로와, 상기 정류회로의 출력전압에 의거하여 상기 상용전원의 전압을 감시하는 전압감시수단과, 상기 부하회로와 동일한 전기저항을 가지며, 상기 전원트랜스의 2차코일측에 접속되어 상기 부하회로의 작동시에 작동정지하고 상기 부하회로의 작동정지시에 작동하는 의사부하회로를 구비하는 것을 특징으로 하는 전압감시장치.A load circuit connected to the secondary coil side of the power transformer; and a load circuit connected to the secondary coil side of the power transformer based on an output voltage of the rectifier circuit A voltage monitoring means for monitoring the voltage of the commercial power supply, and a control means for controlling the operation of the load circuit when the load circuit is in operation and is connected to the secondary coil side of the power transformer, And a pseudo load circuit which operates at a time of stopping. 1차코일을 상용전원에 접속한 전원트랜스와, 상기 전원트랜스의 2차코일에 접속되는 정류회로와, 상기 정류회로의 출력측에 직렬접속되는 부하 및 제1반도체스위치소자와, 상기 정류회로의 출력측에 직렬접속되는 의사부하 및 제2반도체 스위치소자와, 상기 정류회로의 출력전압에 의거하여 상기 상용전원의 전압을 감시하는 전압감시부 및 상기 부하에 통전을 행할 경우 통전지시신호를 상기 제1반도체 스위치소자에 송출지시하는 통전지시부를 가지는 제어기를 구비하고, 상기 의사부하의 전기저항은 상기 부하의 전기저항과 같고, 상기 부하와 상기 제1반도체스위치소자의 접속점과, 상기 제2반도체스위치소자의 제어단자를 전기접속하고, 상기 부하의 비통전시에 상기 제2반도체스위치소자가 도통상태가 되는 것을 특징으로 하는 전압감시장치.A rectifying circuit connected to a secondary coil of the power transformer; a load and a first semiconductor switch element connected in series to an output side of the rectifying circuit; A voltage monitoring unit for monitoring a voltage of the commercial power supply based on an output voltage of the rectifying circuit; and a voltage monitoring unit for outputting an energization instruction signal to the first semiconductor Wherein the electrical resistance of the pseudo load is the same as the electrical resistance of the load and the connection point between the load and the first semiconductor switch element and the connection point between the load and the second semiconductor switch element And the control terminal is electrically connected, and the second semiconductor switch element becomes conductive when the load is non-conductive. 1차코일을 상용전원에 접속한 전원트랜스와, 상기 전원트랜스의 2차코일에 접속되는 정류회로와, 상기 정류회로의 출력측에 직렬접속되는 부하 및 반도체스위치소자와, 상기 부하와 같은 전기저항의 의사부하를 가지며 상기 정류회로의 출력측에 접속되는 의사부하회로와, 상기 정류회로의 출력전압에 의거하여 상기 상용전원의 전압을 감시하는 전압감시부 및 상기 부하에 통전을 행할 경우 상기 반도체스위치소자 및 의사부하회로의 제어단자에 제어신호를 송출지시하는 통전지시부를 가지는 제어기를 구비하고, 상기 의사부하회로는 상기 제어신호가 입력되지 않은 경우, 상기 의사 부하에 통전하는 것을 특징으로 하는 전압감시장치.A rectifier circuit connected to a secondary coil of the power transformer; a load and a semiconductor switch element connected in series to an output side of the rectifier circuit; A pseudo load circuit having a pseudo load and connected to an output side of the rectifying circuit; a voltage monitoring unit for monitoring a voltage of the commercial power supply based on an output voltage of the rectifying circuit; And a controller having an energizing instruction section for instructing the control terminal of the pseudo load circuit to send out a control signal, wherein the pseudo load circuit energizes the pseudo load when the control signal is not inputted. 1차코일을 상용전원에 접속한 전원트랜스와, 상기 전원트랜스의 2차코일에 접속되는 정류회로와, 상기 정류회로의 출력측에 직렬접속되는 릴레이 및 제1트랜지스터와, 상기 정류회로의 출력측에 직렬접속되는 의사부하 및 제2트랜지스터와, 상기 정류회로의 출력전압에 의거하여 상기 상용전원의 전압을 감시하는 전압감시부 및 입력되는 신호에 의거하여 상기 릴레이를 작동시킬지의 여부를 판별하여, 작동시킬 경우는 상기 제1트랜지스터에 통전지시신호를 송출지시하는 릴레이작동지시부를 가지는 마이크로컴퓨터를 구비하고, 상기 의사부하의 전기저항은 상기 릴레이의 전기저항과 같고, 상기 릴레이와 제1트랜지스터의 접속점과 상기 제2트랜지스터의 제어단자가 전기접속되고, 상기 제2트랜지스터가 상기 릴레이의 비작동시에 도통상태가 되는 것을 특징으로하는 전압감시장치.A rectifier circuit connected to a secondary coil of the power transformer; a relay and a first transistor serially connected to the output side of the rectifier circuit; and a series circuit connected in series to the output side of the rectifier circuit, A voltage monitoring unit for monitoring a voltage of the commercial power supply based on an output voltage of the rectifying circuit, and a controller for determining whether to operate the relay on the basis of an input signal, And a relay operation instruction unit for instructing the first transistor to send and receive an energization instruction signal, wherein the electrical resistance of the pseudo load is equal to the electrical resistance of the relay, and the connection point of the relay and the first transistor, The control terminal of the second transistor is electrically connected and the second transistor is rendered conductive when the relay is not in operation Wherein the voltage monitoring device comprises: ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960010113A 1995-04-04 1996-04-04 Voltage monitoring device KR0165743B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP07920895A JP3150873B2 (en) 1995-04-04 1995-04-04 Voltage monitoring device
JP95-079208 1995-04-04

Publications (2)

Publication Number Publication Date
KR960039519A true KR960039519A (en) 1996-11-25
KR0165743B1 KR0165743B1 (en) 1999-04-15

Family

ID=13683535

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960010113A KR0165743B1 (en) 1995-04-04 1996-04-04 Voltage monitoring device

Country Status (2)

Country Link
JP (1) JP3150873B2 (en)
KR (1) KR0165743B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013070138A (en) 2011-09-21 2013-04-18 D & M Holdings Inc Headphone device
CN112327023B (en) * 2020-10-10 2023-05-23 浙江晨泰科技股份有限公司 Electric energy meter with equivalent load circuit

Also Published As

Publication number Publication date
JPH08278331A (en) 1996-10-22
JP3150873B2 (en) 2001-03-26
KR0165743B1 (en) 1999-04-15

Similar Documents

Publication Publication Date Title
KR870004347A (en) Load control system
JP5354072B2 (en) Robot controller
ATE208072T1 (en) CONTROL DEVICE BASED ON PERSONAL RADIO CALLER
KR880013251A (en) Monolithic Integrated Circuit Devices
CA2559318A1 (en) Electrical safety lockout mechanism for power tools and other hazardous machinery
JPH1041797A (en) Switch circuit with excess current detecting function
US10910982B2 (en) Air conditioner
JP4524663B2 (en) Voltage control device for vehicle
JP4263685B2 (en) Protection circuit
KR960034996A (en) Temperature monitoring circuit and method using pulse
KR960039519A (en) Voltage monitoring device
JPH0956058A (en) Circuit device having rush current preventing function
US3505531A (en) Control circuit for electrical systems having redundant power supplies
JP2017174765A (en) Electronic switch device and electronic switch system
KR100573994B1 (en) Voltage control apparatus for vehicle generator
GB2049329A (en) Electrical load control system
US5708357A (en) Power circuit for electronic controller
US3936705A (en) Monitor circuit
KR200315061Y1 (en) An apparatus for preventing a rush-current in a 3-phase power-supply
KR200153462Y1 (en) Extention supply apparatus of an auxiliary power supply for an electric car
KR100625171B1 (en) A device for preventing overcurrent
KR200171185Y1 (en) Remote control system for a boiler
US20070039946A1 (en) Electrical load control apparatus and method
JPH0424954B2 (en)
KR200321222Y1 (en) A device for preventing overcurrent

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20060829

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee