KR20020087015A - Direct current voltage transformer - Google Patents

Direct current voltage transformer Download PDF

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Publication number
KR20020087015A
KR20020087015A KR1020020061594A KR20020061594A KR20020087015A KR 20020087015 A KR20020087015 A KR 20020087015A KR 1020020061594 A KR1020020061594 A KR 1020020061594A KR 20020061594 A KR20020061594 A KR 20020061594A KR 20020087015 A KR20020087015 A KR 20020087015A
Authority
KR
South Korea
Prior art keywords
voltage
transformer
relay
rectifier
direct current
Prior art date
Application number
KR1020020061594A
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Korean (ko)
Inventor
공하성
Original Assignee
공하성
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.)
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Publication date
Application filed by 공하성 filed Critical 공하성
Priority to KR1020020061594A priority Critical patent/KR20020087015A/en
Publication of KR20020087015A publication Critical patent/KR20020087015A/en

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Classifications

    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/34—Conversion of dc power input into dc power output with intermediate conversion into ac by dynamic converters
    • H02M3/38—Conversion of dc power input into dc power output with intermediate conversion into ac by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential
    • H02M3/42—Conversion of dc power input into dc power output with intermediate conversion into ac by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential with electromagnetically-operated vibrating contacts, e.g. chopper
    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Relay Circuits (AREA)

Abstract

PURPOSE: A DC(Direct Current) voltage transformer is provided to improve the procedure of DC voltage conversion by chopping and applying DC voltage to a transformer, converting the applied voltage into a predetermined voltage, rectifying the converted voltage through a rectifier, and obtaining a desired DC voltage through a smoothing circuit. CONSTITUTION: A relay(1) is installed at an input side of a transformer(5). Contacts(2,3,4) for the relay(1) is installed. In order to convert a DC voltage, the DC voltage is applied to an input terminal(8). A current from the input terminal(8) flows to excite the relay(1). Thereafter, the contacts(2,3) are opened and the contact(4) is closed to apply an AC(Alternating Current) voltage to the transformer(5). The AC voltage transformed by the transformer(5) passes a rectifier(6) to be converted into a DC voltage. The DC voltage from the rectifier(6) is transmitted to an output terminal(9) through a smoothing circuit(7).

Description

직류전압 변압기{ Direct current voltage transformer }Direct current voltage transformer

본 발명은 기존의 변압기로는 변압할 수 없는 직류전압을 간단한 회로를 추가함으로써 직류전압이 자유롭게 변환되도록 하기 위한 것이다.The present invention is to allow the DC voltage to be converted freely by adding a simple circuit of a DC voltage that can not be transformed by the existing transformer.

본 발명의 목적은 직류전압의 변압이 필요한 소방전기시설, 기타 모든 전기기구 및 시설에 사용하기 위한 것이다.An object of the present invention is to use in firefighting electrical facilities, all other electrical equipment and facilities that require the transformation of DC voltage.

도 1은 본 발명에 따른 직류전압 변압기의 회로도1 is a circuit diagram of a DC voltage transformer according to the present invention

도 2는 직류전압의 입력파형2 shows input waveform of DC voltage

도 3은 직류전압의 출력파형(강압)3 is the output waveform of the DC voltage (step-down)

도 4는 직류전압의 출력파형(승압)4 is an output waveform of a direct voltage (step-up)

＜도면의 주요부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>

1 : 계전기(Relay) 2,3 : 계전기 b접점1: Relay 2,3: Relay b contact

4 : 계전기 a접점 5 : 변압기(Transformer)4: relay a contact 5: transformer

6 : 정류기 7 : 평활회로6: rectifier 7: smoothing circuit

8 : 입력단자 9 : 출력단자8: Input terminal 9: Output terminal

본 발명의 구성은 도1에서 변압기(5)의 입력측에 계전기(1)를 설치하고 계전기 b,a접점(2,3,4)을 구성한 후 직류전압의 변압을 위하여 입력측(8)에 직류전압을 공급하면 계전기(1)에 전류가 흘러 여자 되고 계전기 b접점(2,3)은 개로 되고, 계전기 a접점(4)은 폐로되어 변압기(5)에 교류전압이 인가되고, 계전기 b접점(2)이 개로 되면 계전기(1)에 전류가 흐르지 않으므로 소자되어 상기 계전기 b접점(2,3)은 폐로, 계전기 a접점(4)은 개로된 후 계전기 b접점(2)이 폐로 되었으므로 다시 계전기(1)에 전류가 흘러 여자되고 계전기 b접점(2,3)은 개로되고, 계전기 a접점(4)은 폐로되어 변압기(5)에 교류전압을 계속 인가하게 된다.In the configuration of the present invention, the relay 1 is installed on the input side of the transformer 5 in FIG. 1, and the relays b, a contacts 2, 3, and 4 are configured, and then the DC voltage is applied to the input side 8 for the transformation of DC voltage. Supplying current causes the current to flow to the relay 1 to be excited and relay b contacts 2 and 3 open, the relay a contact 4 closes, and an alternating voltage is applied to the transformer 5, and the relay b contact 2 When the circuit is open, since the current does not flow in the relay 1, the element B is closed and the relay a contact 4 is closed, and the relay b contact 2 is closed. The current flows into the excitation current, and the relay b contacts 2 and 3 are opened, and the relay a contact 4 is closed to continuously apply an alternating voltage to the transformer 5.

입력측(8)에 직류전압이 공급되고 있는 상태에서는 위의 과정을 계속 반복하여 직류전압이 교류전압으로 바꾸어 져서 변압기(5)에는 교류전압이 계속 인가되는 것이다.In the state in which the DC voltage is supplied to the input side 8, the above process is repeated repeatedly so that the DC voltage is changed to the AC voltage and the AC voltage is continuously applied to the transformer 5.

변압기 (5)에 의해 변압된 교류전압은 정류기(6)를 통과한 후 직류에 가까운 전압으로 변환된 후 다시 평활회로(7)를 거치면서 거의 완전한 직류전압으로 만들어진 후 출력측(9)에 전달되어 도2의 직류전압이 도3 또는 도4의 직류전압으로 변압되는 것이다.The alternating voltage transformed by the transformer (5) passes through the rectifier (6), is converted to a voltage close to the direct current, and then made through the smoothing circuit (7) to make a nearly complete direct current voltage and then transmitted to the output side (9). The DC voltage of FIG. 2 is transformed into the DC voltage of FIG. 3 or 4.

본 발명은 변압기(5) 1·2차측의 코일권수의 비에 따라서 원하는 직류전압을 모두 얻을 수 있다는 장점이 있다.The present invention has the advantage that all desired DC voltages can be obtained in accordance with the ratio of the number of coil turns on the primary and secondary sides of the transformer 5.

본 발명은 기존의 일반변압기로는 불가능한 직류전압을 쉽게 변압할 수 있는 장치로서 소방전기기기 및 시설 기타 산업전기시설, 가정용 전기기기 등에 유용하게 사용될 수 있다.The present invention can be usefully used for fire-fighting equipment and facilities other industrial electrical equipment, household electrical equipment as a device that can easily transform a DC voltage that is impossible with the conventional general transformer.

Claims (2)

계전기(1)와 계전기 b,a접점(2,3,4)에 의해 입력측의 직류전압(8)을 교류전압으로 변환하는 회로,A circuit for converting the DC voltage 8 on the input side into an AC voltage by the relay 1 and the relays b and a contacts 2, 3 and 4, 변환된 교류전압을 변압기(5)를 통해 변압하고 정류기(6)와 평활회로(7)를 통해 다시 직류전압으로 변환하는 회로로 된 것을 특징으로 하는 직류전압 변압기DC voltage transformer, characterized in that for converting the converted AC voltage through the transformer (5) and converts it back to DC voltage through the rectifier (6) and smoothing circuit (7) 직류전압(8)을 교류전압으로 변환하는 회로는 계전기(1) 및 계전기 b,a접점(2,3,4)을 이용한 초퍼회로를 다이오드를 사용한 반도체 초퍼 또는 트랜지스터의 바이브레이터 기능을 이용한 회로로 대체한 회로로 된 것을 특징으로 하는 직류전압 변압기The circuit for converting the DC voltage (8) into an AC voltage replaces the chopper circuit using the relay (1) and the relay b, a contacts (2, 3, 4) with the circuit using the semiconductor chopper using the diode or the vibrator function of the transistor. DC voltage transformers, characterized in that in one circuit
KR1020020061594A 2002-10-09 2002-10-09 Direct current voltage transformer KR20020087015A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020020061594A KR20020087015A (en) 2002-10-09 2002-10-09 Direct current voltage transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020061594A KR20020087015A (en) 2002-10-09 2002-10-09 Direct current voltage transformer

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR20-2002-0030444U Division KR200303702Y1 (en) 2002-10-11 2002-10-11 Direct current voltage transformer

Publications (1)

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KR20020087015A true KR20020087015A (en) 2002-11-21

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144923A (en) * 1978-05-02 1979-11-12 Fujitsu Ltd Switching regulator
JPS63314142A (en) * 1987-03-10 1988-12-22 Nippon Signal Co Ltd:The Constant-voltage power equipment
JPH04368464A (en) * 1991-06-12 1992-12-21 Sanyo Denki Co Ltd Dc power source
JPH0564444A (en) * 1991-05-10 1993-03-12 Murata Mfg Co Ltd Dc-dc converter
JPH07123720A (en) * 1993-10-26 1995-05-12 Sanyo Electric Co Ltd Switching power supply
US6272024B2 (en) * 1999-12-27 2001-08-07 Sanken Electric Co., Ltd. D.c.-to-d.c. converter having an improved surge suppressor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54144923A (en) * 1978-05-02 1979-11-12 Fujitsu Ltd Switching regulator
JPS63314142A (en) * 1987-03-10 1988-12-22 Nippon Signal Co Ltd:The Constant-voltage power equipment
JPH0564444A (en) * 1991-05-10 1993-03-12 Murata Mfg Co Ltd Dc-dc converter
JPH04368464A (en) * 1991-06-12 1992-12-21 Sanyo Denki Co Ltd Dc power source
JPH07123720A (en) * 1993-10-26 1995-05-12 Sanyo Electric Co Ltd Switching power supply
US6272024B2 (en) * 1999-12-27 2001-08-07 Sanken Electric Co., Ltd. D.c.-to-d.c. converter having an improved surge suppressor

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