KR970061007A - Dual full bridge type electromagnetic induction heating device - Google Patents

Dual full bridge type electromagnetic induction heating device Download PDF

Info

Publication number
KR970061007A
KR970061007A KR1019960000830A KR19960000830A KR970061007A KR 970061007 A KR970061007 A KR 970061007A KR 1019960000830 A KR1019960000830 A KR 1019960000830A KR 19960000830 A KR19960000830 A KR 19960000830A KR 970061007 A KR970061007 A KR 970061007A
Authority
KR
South Korea
Prior art keywords
heating
transistors
bridge type
induction heating
electromagnetic induction
Prior art date
Application number
KR1019960000830A
Other languages
Korean (ko)
Other versions
KR0184137B1 (en
Inventor
정용채
전효식
Original Assignee
구자홍
엘지전자 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 구자홍, 엘지전자 주식회사 filed Critical 구자홍
Priority to KR1019960000830A priority Critical patent/KR0184137B1/en
Publication of KR970061007A publication Critical patent/KR970061007A/en
Application granted granted Critical
Publication of KR0184137B1 publication Critical patent/KR0184137B1/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • 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
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/04—Sources of current
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Induction Heating (AREA)
  • Induction Heating Cooking Devices (AREA)

Abstract

본 발명은 듀얼 풀 브릿지(Dual Full Bridge)형 전자 유도 가열장치에 관한 것으로서, 종래의 유도 가열 조리장치는 인접한 워킹 코일 사이에 동작주파수의 차이에 의한 간섭음이 발생하게 되어 사용자가 불쾌감을 느끼게 되고, 또한 각각의 구성된 인버터만큼 정류수단과 입력단의 정류수단으로 부터의 전압을 평활 및 필터링하게 되는 L,C필터를 구성하여야만 하므로서, 전체 회로가 복잡하게 되며, 기기구성에의 경제성이 결여되는 문제점이 발생하게 된다.The present invention relates to a dual full bridge type electromagnetic induction heating apparatus. In a conventional induction heating cooking apparatus, an interference sound due to a difference in operating frequency is generated between adjacent working coils, and the user feels discomfort And the L and C filters that smooth and filter the voltage from the rectifying means and the rectifying means of the input stage as much as the respective configured inverters must be constituted so that the entire circuit becomes complicated and the problem of lacking economical efficiency .

따라서, 상기 문제점을 해결하기 위한 본 발명은 하나의 인버터 회로를 구성하여 다수의 가열판을 가열할 수 있도록 하고, 또한 가열수단으로 전원을 공급하는 스위칭 수단을 시분할 제어하여 다수의 가열판이 독립적으로 교번 가열되도록 하므로서 가열시 발생하는 간섭음을 방지할 수 있도록 한 듀얼 폴 브릿지형 전자 유도 가열장치이다.In order to solve the above problems, according to the present invention, one inverter circuit is constituted to heat a plurality of heating plates and a switching means for supplying power to the heating means is time-division controlled, So that it is possible to prevent interference noise generated during heating.

Description

듀얼 풀 브릿지형 전자 유도 가열장치Dual full bridge type electromagnetic induction heating device

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

제2도는 본 발명의 듀얼 풀 브릿지형 전자 유도 가열장치를 보인 회로도.FIG. 2 is a circuit diagram showing a dual full bridge type electromagnetic induction heating apparatus according to the present invention. FIG.

제3도는 본 발명의 듀얼 풀 브릿지형 전자 유도 가열장치에서 제1가열부가 동작할 때 스위칭 수단의 제어 타이밍과 그에 따라 제1가열부에 유기되는 전류의 변화량을 보인 파형도.FIG. 3 is a waveform diagram showing the control timing of the switching means and the amount of change of the current induced in the first heating unit according to the control when the first heating unit operates in the dual full bridge type electromagnetic induction heating apparatus of the present invention.

제4도는 본 발명의 듀얼 풀 브릿지형 전자 유도 가열장치에서 제2가열부가 동작할 때 스위칭 수단의 제어 타이밍과 그에 따라 제2가열부에 유기되는 전류의 변화량을 보인 파형도.FIG. 4 is a waveform diagram showing the control timing of the switching means and the amount of change in the current induced in the second heating unit according to the control when the second heating unit operates in the dual full bridge type electromagnetic induction heating apparatus of the present invention.

제5도는 본 발명의 듀얼 풀 브릿지형 전자 유도 가열장치의 다른 실시예를 보인 회로도.FIG. 5 is a circuit diagram showing another embodiment of the dual full bridge type electromagnetic induction heating apparatus of the present invention. FIG.

Claims (8)

입력전원의 역률을 높이기 위한 입력필터 콘덴터(Cf)와, 입력되는 전원에 따라 발열하여 하나 이상의 가열판을 선택적으로 가열하는 가열수단과, 별도의 제어신호에 의해 스위칭 동작하여 상기 가열수단이 선택적으로 가열되도록 하는 스위칭 수단과, 상기 스위칭 수단의 온/오프 동작을 제어하기 위한 제어신호를 출력하는 제어수단(11)으로 구성되어 하나 이상의 가열판을 가열할 수 있도록 한 것을 특징으로 하는 듀얼 풀 브릿지형 전자 유도 가열장치.An input filter capacitor (Cf) for increasing the power factor of the input power source; heating means for selectively heating one or more heating plates according to an input power source; switching means for performing switching operation by a separate control signal, And a control means (11) for outputting a control signal for controlling the on / off operation of the switching means so that one or more heating plates can be heated. The dual full bridge type electronic device Induction heating apparatus. 제1항에 있어서, 상기 가열수단은 상기 스위칭 수단의 스위칭 동작에 따라 입력되는 전원으로 공진하여 각기 대응되는 가열판을 가열하며, 워킹코일(Lr1)(Lr2)및 콘덴서(Cr1)(Cr2)가 직렬로 접속된 형태인 제1, 제2가열부(12)(13)로 구성된 것을 특징으로 하는 듀얼 풀 브릿지형 전자 유도 가열장치.2. The plasma display device according to claim 1, wherein the heating means resonates with a power source inputted in accordance with a switching operation of the switching means to heat corresponding heating plates, and the working coil Lr1, Lr2 and the capacitors Cr1, And the first and second heating units 12 and 13 are connected to the first and second heating units 12 and 13, respectively. 제1항에 있어서, 상기 스위칭 수단은 장기 제어수단(11)의 제어에 따라 온/오프 스위칭 동작하여 상기 제1,제2가열부(12)(13)가 독립적으로 가열동작을 수행할 수 있도록 전원을 공급하는 트랜지스터(Q11∼Q16)로 구성되는 것을 특징으로 하는 듀얼 풀 브릿지형 전자 유도 가열장치.The apparatus according to claim 1, wherein the switching means is an on / off switching operation under the control of the long term control means (11) so that the first and second heating portions (12) and (13) And transistors (Q11 to Q16) for supplying power. 제3항에 있어서, 상기 트랜지스터(Q11,Q12,Q13,Q14)는 제어수단(11)의 제어에 따라 제1 가열부(12)가 동작할 때에 트랜지스터(Q11,Q14)와 트랜지스터(Q12,Q13)가 교번 스위칭 동작하는 것을 특징으로 하는 듀얼 풀 브릿지형 전자 유도 가열장치.4. The semiconductor memory device according to claim 3, wherein the transistors Q11, Q12, Q13 and Q14 are controlled by the control means 11 such that the transistors Q11 and Q14 and the transistors Q12 and Q13 ) Alternatingly operates. The dual full-bridge type electromagnetic induction heating apparatus according to claim 1, 제3항에 있어서, 상기 트랜지스터(Q11,Q12,Q15,Q16)는 제어수단(11)의 제어에 따라 제2 가열부(13)가 동작할 때에 트랜지스터(Q11,Q16)와 트랜지스터(Q15,Q12)가 교번 스위칭 동작하는 것을 특징으로 하는 듀얼 풀 브릿지형 전자 유도 가열장치.The semiconductor memory device according to claim 3, wherein the transistors Q11, Q12, Q15 and Q16 are controlled by the control means 11 such that the transistors Q11 and Q16 and the transistors Q15 and Q12 ) Alternatingly operates. The dual full-bridge type electromagnetic induction heating apparatus according to claim 1, 제3항 또는 제4항에 있어서, 제1가열부(12)가 동작할 때 트랜지스터(Q15)는 트랜지스터(Q11)의 온/오프 타이밍과 동시 제어되고, 트랜지스터(Q16)는 트랜지스터(Q12)의 온/오프 타이밍과 동시 제어되어 제2가열부(13)가 동작하지 않도록 하는 것을 특징으로 하는 듀얼 풀 브릿지형 전자 유도 가열장치.The method according to claim 3 or 4, wherein the transistor Q15 is controlled simultaneously with the on / off timing of the transistor Q11 when the first heating unit 12 is operated, Off timing so that the second heating unit (13) does not operate. The dual full bridge type electromagnetic induction heating apparatus according to claim 1 or 2, 제3항 또는 제5항에 있어서, 제2가열부(2)가 동작할 때 트랜지스터(Q13)는 트랜지스터(Q11)의 온/오프 타이밍과 동시 제어되고, 트랜지스터(Q14)는 트랜지스터(Q12)의 온/오프 타이밍과 동시 제어되어 제1가열부(12)가 동작하지 않도록 하는 것을 특징으로 하는 듀얼 풀 브릿지형 전자 유도 가열장치.6. The method according to claim 3 or 5, wherein the transistor Q13 is controlled simultaneously with the on / off timing of the transistor Q11 when the second heating unit 2 is operated, Off timing so that the first heating unit (12) is not operated. The dual full bridge type electromagnetic induction heating apparatus according to claim 1, wherein the first heating unit (12) 제3항에 있어서, 스위칭 수단을 구성하는 트랜지스터(Q11∼Q16)에 보조 공진 콘덴서(C1∼C6)를 병렬로 각각 접속하면,모든 트랜지스터(Q11∼Q16)가 오프되는 데드 타임이 생겨 트랜지스터의 턴 오프손실을 감소시킬 수 있는 것을 특징으로 하는 듀얼 풀 브릿지형 전자 유도 가열장치.The method according to claim 3, wherein when the auxiliary resonant capacitors (C1 to C6) are connected in parallel to the transistors (Q11 to Q16) constituting the switching means, a dead time occurs in which all the transistors (Q11 to Q16) are turned off, Off loss can be reduced in the case of the full-bridge type electromagnetic induction heating apparatus. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960000830A 1996-01-17 1996-01-17 Dual full bridge type induction heating cooker KR0184137B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960000830A KR0184137B1 (en) 1996-01-17 1996-01-17 Dual full bridge type induction heating cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960000830A KR0184137B1 (en) 1996-01-17 1996-01-17 Dual full bridge type induction heating cooker

Publications (2)

Publication Number Publication Date
KR970061007A true KR970061007A (en) 1997-08-12
KR0184137B1 KR0184137B1 (en) 1999-05-15

Family

ID=19449546

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960000830A KR0184137B1 (en) 1996-01-17 1996-01-17 Dual full bridge type induction heating cooker

Country Status (1)

Country Link
KR (1) KR0184137B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017101839A1 (en) * 2015-12-18 2017-06-22 Byd Company Limited Electric vehicle and vehicle-mounted charger and method for controlling the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106891744B (en) 2015-12-18 2019-11-08 比亚迪股份有限公司 The control method of electric car and its onboard charger and onboard charger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017101839A1 (en) * 2015-12-18 2017-06-22 Byd Company Limited Electric vehicle and vehicle-mounted charger and method for controlling the same
US10618416B2 (en) 2015-12-18 2020-04-14 Byd Company Limited Electric vehicle, vehicle-mounted charger, and method for controlling the same

Also Published As

Publication number Publication date
KR0184137B1 (en) 1999-05-15

Similar Documents

Publication Publication Date Title
JP2828966B2 (en) Dual half-bridge electronic induction cooking device for multi-output control
KR970061007A (en) Dual full bridge type electromagnetic induction heating device
KR0179529B1 (en) Dual half bridge type induction heating cooker
KR970061008A (en) Dual full-bridge type electromagnetic induction heating device and its control method
KR0176904B1 (en) Controller for induction heater of rice cooker
KR19980021826A (en) Half bridge electronic induction heating cooker with multi-load
JP2002034241A (en) Power supply device, electronic apparatus there with, induction heater therewith and image processor therewith
KR970058362A (en) Dual Half-Bridge Electromagnetic Induction Heating Cooker for Multi-Output Control
JP2000295857A (en) Inverter device
KR970058342A (en) Resonant Electromagnetic Induction Heating Cooker for Multi-Output Control
KR100226828B1 (en) Low loss half bridge induction heating cooker with multi-load
KR970058348A (en) Dual Half-Bridge Electromagnetic Induction Heating Cooker for Multi-Output Control
KR0179535B1 (en) Dual half bridge type induction heating cooker
KR970064513A (en) Half-bridge type multi-output electromagnetic induction heating device
KR970064515A (en) Composite bridge type electromagnetic induction heating apparatus and control method
KR970058361A (en) Resonant Electromagnetic Induction Heating Cooker for Multi-Output Control
KR970068741A (en) Dual pole-buried type electromagnetic induction heating device
KR970058360A (en) Resonant Electromagnetic Induction Heating Cooker for Multi-Output Control
KR100186482B1 (en) Inverter for induction heating cooker
KR970064512A (en) Dual full-bridge type electromagnetic induction heating apparatus and control method
KR19990032341A (en) Multi-Load Parallel Resonant Soft Switching Induction Heating Cooker
KR100248715B1 (en) Soft switching dual bridge induction heating cooker
KR970058343A (en) Resonant Electromagnetic Induction Heating Cooker for Multi-Output Control
KR100234760B1 (en) Low loss resonant induction heating cooker with multi load
KR100246425B1 (en) Half bridge induction heating cooker with multi load

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: 20041125

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee