TWI456370B - 電流調節裝置 - Google Patents

電流調節裝置 Download PDF

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Publication number
TWI456370B
TWI456370B TW101105643A TW101105643A TWI456370B TW I456370 B TWI456370 B TW I456370B TW 101105643 A TW101105643 A TW 101105643A TW 101105643 A TW101105643 A TW 101105643A TW I456370 B TWI456370 B TW I456370B
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TW
Taiwan
Prior art keywords
unit
voltage
adjustment device
output
auxiliary coil
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TW101105643A
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English (en)
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TW201241591A (en
Inventor
Young Jong Kim
Hyun Sik Kim
Taek Soo Kim
Dong Young Huh
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Lg Innotek Co Ltd
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Publication of TW201241591A publication Critical patent/TW201241591A/zh
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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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or 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
    • 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
    • H02M3/325—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 using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—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 using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—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 using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • 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
    • H02M3/325—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 using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—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 using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—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 using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—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 using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/345—Current stabilisation; Maintaining constant 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/355—Power factor correction [PFC]; Reactive power compensation
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/385—Switched mode power supply [SMPS] using flyback topology
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Dc-Dc Converters (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (14)

  1. 一種電流調整裝置，包括：一變壓器單元，包括一輔助線圈單元；一第一切換單元，控制該變壓器單元的運作；一誤差電壓檢測單元與一回授單元分別連接至該變壓器單元之該輔助線圈單元的兩端；以及一控制單元，根據一電壓比較單元之一輸出電壓，調整該第一切換單元之一啟動時段，其中該誤差電壓檢測單元包括：一電壓檢測單元，檢測耦合至該輔助線圈單元的電壓；以及該電壓比較單元，藉由該電壓檢測單元所檢測到的電壓以及一參考電壓進行比較。
  2. 如專利申請範圍第1項所述之電流調整裝置，更包含一發光單元，該發光單元包括複數個發光二極體(LEDs)，其係藉由該變壓器單元之二次側的輸出電壓發光。
  3. 如專利申請範圍第1項所述之電流調整裝置，更包含一第二切換單元用以接收一訊號，並將該訊號輸入至該電壓檢測單元之一輸出端和該第一切換單元，以進行一切換運作。
  4. 如專利申請範圍第3項所述之電流調整裝置，更包含一電阻，連接至該第二切換單元之一汲極以及該電壓檢測單元之該輸出端，該電阻係防止因該第一切換單元啟動而造成一輸入電壓被轉送到該電壓比較單元。
  5. 如專利申請範圍第1項所述之電流調整裝置，其中該回授單元用以回授該變壓器單元之一輸出電壓至該控制單元的一回授端點。
  6. 如專利申請範圍第1項所述之電流調整裝置，其中該電壓檢測單元包括：一第一時間常數電路連接至該輔助線圈單元；以及一第二時間常數電路使該第一時間常數電路之輸出電壓平穩。
  7. 如專利申請範圍第1項所述之電流調整裝置，其中該電壓比較單元包括： 一比較單元，比較該電壓檢測單元之一輸出電壓及一在此處之參考電壓，以輸出一信號至該控制單元之一控制端；以及一增益調整電路，以調整該比較單元的一輸出電壓增益。
  8. 如專利申請範圍第7項所述之電流調整裝置，其中該輔助線圈單元的一分接頭透過一二極體連接至該控制單元的一電源端，以及該控制單元的該電源端連接至該電壓比較單元之該比較單元的一輸出端。
  9. 如專利申請範圍第1項所述之電流調整裝置，更包含耦合至該變壓器單元之二次側的電壓與耦合至該輔助線圈單元的電壓成正比。
  10. 如專利申請範圍第1項所述之電流調整裝置，其中該控制單元包含一功率因數補償電路。
  11. 如專利申請範圍第3項所述之電流調整裝置，其中該第二切換單元與該第一切換單元，藉由該控制單元之一驅動信號同時啟動或關閉。
  12. 如專利申請範圍第3項所述之電流調整裝置，其中該第二切換單元與該第一切換單元兩者中任一個，包含一雙極性接面電晶體(BJT)或一金氧半場效電晶體(MOSFET)。
  13. 如專利申請範圍第1項所述之電流調整裝置，更包含：一直流(DC)輸出單元連接至該變壓器單元之一二次側線圈，以及該直流輸出單元包括一第二二極體，以及一第五電容以並聯方式接至該第二二極體的陰極，其另一端則接地。
  14. 如專利申請範圍第1項所述之電流調整裝置，更包含：該誤差電壓檢測單元連接至該變壓器單元的該輔助線圈單元之一第一分接頭；該回授單元連接至該輔助線圈單元之一第二分接頭；該輔助線圈單元之一中間分接頭係接地；一耦合至該輔助線圈單元之該第一分接頭的電壓，與該變壓器單元之一二次側線圈的極性相反；以及一耦合至該輔助線圈單元之該第二分接頭的電壓，與該變壓器單元之該二次側線圈的極性相同。
TW101105643A 2011-02-24 2012-02-21 電流調節裝置 TWI456370B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110016765A KR101241470B1 (ko) 2011-02-24 2011-02-24 전류 조절 장치

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TW201241591A TW201241591A (en) 2012-10-16
TWI456370B true TWI456370B (zh) 2014-10-11

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US (1) US9112420B2 (zh)
EP (1) EP2678751B1 (zh)
KR (1) KR101241470B1 (zh)
CN (1) CN103477295B (zh)
TW (1) TWI456370B (zh)
WO (1) WO2012115323A1 (zh)

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CN104660022B (zh) 2015-02-02 2017-06-13 昂宝电子（上海）有限公司 为电源变换器提供过流保护的***和方法
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KR102423064B1 (ko) * 2017-05-02 2022-07-21 삼성전자주식회사 전력 변환 장치와 방법 및 그 장치를 이용하는 전자 장치
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Publication number Publication date
EP2678751A4 (en) 2016-12-28
CN103477295B (zh) 2015-04-15
CN103477295A (zh) 2013-12-25
US9112420B2 (en) 2015-08-18
TW201241591A (en) 2012-10-16
EP2678751B1 (en) 2019-12-11
WO2012115323A1 (en) 2012-08-30
US20140055057A1 (en) 2014-02-27
EP2678751A1 (en) 2014-01-01
KR20120097274A (ko) 2012-09-03
KR101241470B1 (ko) 2013-03-11

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