JP6859392B2 - 受電デバイス - Google Patents
受電デバイス Download PDFInfo
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- JP6859392B2 JP6859392B2 JP2019100037A JP2019100037A JP6859392B2 JP 6859392 B2 JP6859392 B2 JP 6859392B2 JP 2019100037 A JP2019100037 A JP 2019100037A JP 2019100037 A JP2019100037 A JP 2019100037A JP 6859392 B2 JP6859392 B2 JP 6859392B2
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- mosfet
- contact pair
- pair
- diode
- potential
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- 238000001514 detection method Methods 0.000 claims description 22
- 230000005669 field effect Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000012358 sourcing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/60—Contacts spaced along planar side wall transverse to longitudinal axis of engagement
- H01R24/62—Sliding engagements with one side only, e.g. modular jack coupling devices
- H01R24/64—Sliding engagements with one side only, e.g. modular jack coupling devices for high frequency, e.g. RJ 45
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2107/00—Four or more poles
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Rectifiers (AREA)
- Electronic Switches (AREA)
- Thin Film Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
Claims (6)
- イーサネットポートと、整流回路と、受電デバイス(PD)回路とを含むPDであって、
前記イーサネットポートは、第1の接点ペアと、第2の接点ペアと、第3の接点ペアと、第4の接点ペアとを含み、前記第1の接点ペアは、イーサネットケーブルのケーブルペア1-2に接続するように構成され、前記第2の接点ペアは、前記イーサネットケーブルのケーブルペア3-6に接続するように構成され、前記第3の接点ペアは、前記イーサネットケーブルのケーブルペア4-5に接続するように構成され、前記第4の接点ペアは、前記イーサネットケーブルのケーブルペア7-8に接続するように構成され、
前記整流回路は、4つの金属酸化物半導体電界効果トランジスタ(MOSFET)と、少なくとも4つのダイオードとを含み、
前記4つのMOSFETは、第1のMOSFET、第2のMOSFET、第3のMOSFET及び第4のMOSFETであり、
前記少なくとも4つのダイオードは、第1のダイオードと、第2のダイオードと、第3のダイオードと、第4のダイオードとを含み、
前記第1の接点ペアは、前記第1のダイオードのアノードに接続され、前記第1のMOSFETの第1端に接続され、
前記第2の接点ペアは、前記第2のダイオードのカソードに接続され、前記第2のMOSFETの第1端に接続され、
前記第3の接点ペアは、前記第3のダイオードのカソードに接続され、前記第3のMOSFETの第1端に接続され、
前記第4の接点ペアは、前記第4のダイオードのアノードに接続され、前記第4のMOSFETの第1端に接続され、
前記PD回路の電力入力正極は、前記第1のダイオードのカソードに接続され、前記第2のMOSFETの第2端に接続され、前記第3のMOSFETの第2端に接続され、前記第4のダイオードのカソードに接続され、
前記PD回路の電力入力負極は、前記第1のMOSFETの第2端に接続され、前記第2のダイオードのアノードに接続され、前記第3のダイオードのアノードに接続され、前記第4のMOSFETの第2端に接続される、PD。 - 前記第1のMOSFETのゲート電極は、前記第2の接点ペアに接続され、
前記第2のMOSFETのゲート電極は、前記第1の接点ペアに接続され、
前記第3のMOSFETのゲート電極は、前記第4の接点ペアに接続され、
前記第4のMOSFETのゲート電極は、前記第3の接点ペアに接続される、請求項1に記載のPD。 - 前記第1のMOSFETはN型MOSFETであり、前記第2のMOSFETはP型MOSFETであり、前記第3のMOSFETはP型MOSFETであり、前記第4のMOSFETはN型MOSFETである、請求項2に記載のPD。
- 前記第1のMOSFETの前記第1端は、前記第1のMOSFETのドレイン電極であり、前記第1のMOSFETの前記第2端は、前記第1のMOSFETのソース電極であり、前記第2のMOSFETの前記第1端は、前記第2のMOSFETのドレイン電極であり、前記第2のMOSFETの前記第2端は、前記第2のMOSFETのソース電極であり、前記第3のMOSFETの前記第1端は、前記第3のMOSFETのドレイン電極であり、前記第3のMOSFETの前記第2端は、前記第3のMOSFETのソース電極であり、前記第4のMOSFETの前記第1端は、前記第4のMOSFETのドレイン電極であり、前記第4のMOSFETの前記第2端は、前記第4のMOSFETのソース電極である、請求項3に記載のPD。
- 前記整流回路は、第1の制御回路と、第2の制御回路とを更に含み、
前記第1のMOSFETの前記ゲート電極は、前記第1の制御回路を通じて前記第2の接点ペアに接続され、
前記第4のMOSFETの前記ゲート電極は、前記第2の制御回路を通じて前記第3の接点ペアに接続され、
前記第1の制御回路は、前記第2の接点ペアの電位から前記第1の接点ペアの電位を減算することにより取得された値が第1の電圧閾値よりも大きいとき、前記第1のMOSFETをオンにし、前記第2の接点ペアの前記電位から前記第1の接点ペアの前記電位を減算することにより取得された前記値が前記第1の電圧閾値よりも小さいとき、前記第1のMOSFETをカットオフするように構成され、前記第1の電圧閾値の絶対値は、最大パワーオーバーイーサーネットPoE検出電圧の絶対値よりも大きく、最小PoE供給電圧の絶対値以下であり、
前記第2の制御回路は、前記第3の接点ペアの電位から前記第4の接点ペアの電位を減算することにより取得された値が第2の電圧閾値よりも大きいとき、前記第4のMOSFETをオンにし、前記第3の接点ペアの前記電位から前記第4の接点ペアの前記電位を減算することにより取得された前記値が前記第2の電圧閾値よりも小さいとき、前記第4のMOSFETをカットオフするように構成され、前記第2の電圧閾値の絶対値は、前記最大PoE検出電圧の絶対値よりも大きく、前記最小PoE供給電圧の前記絶対値以上である、請求項4に記載のPD。 - 前記PDはタイプ4 PDである、請求項1乃至5のうちいずれか1項に記載のPD。
Applications Claiming Priority (2)
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CN201810542835.8 | 2018-05-30 | ||
CN201810542835.8A CN110557262B (zh) | 2018-05-30 | 2018-05-30 | 一种受电设备 |
Publications (2)
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JP2019213450A JP2019213450A (ja) | 2019-12-12 |
JP6859392B2 true JP6859392B2 (ja) | 2021-04-14 |
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Country Status (5)
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US (1) | US10594229B2 (ja) |
EP (1) | EP3576345B1 (ja) |
JP (1) | JP6859392B2 (ja) |
KR (1) | KR102266492B1 (ja) |
CN (1) | CN110557262B (ja) |
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CN110554725B (zh) * | 2018-05-30 | 2021-02-23 | 华为技术有限公司 | 用于以太网供电的受电设备 |
CN111181737B (zh) * | 2018-11-12 | 2021-09-14 | 华为技术有限公司 | 控制方法、受电设备和系统 |
CN112526318A (zh) * | 2020-11-24 | 2021-03-19 | 锐捷网络股份有限公司 | 一种以太网供电电路检测方法及装置 |
CN112600016B (zh) * | 2020-11-25 | 2022-08-05 | Oppo广东移动通信有限公司 | 接口装置、供电设备、受电设备及用电系统 |
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2018
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2019
- 2019-05-29 US US16/425,528 patent/US10594229B2/en active Active
- 2019-05-29 JP JP2019100037A patent/JP6859392B2/ja active Active
- 2019-05-29 EP EP19177315.9A patent/EP3576345B1/en active Active
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EP3576345B1 (en) | 2021-09-15 |
US10594229B2 (en) | 2020-03-17 |
US20190372475A1 (en) | 2019-12-05 |
KR102266492B1 (ko) | 2021-06-16 |
JP2019213450A (ja) | 2019-12-12 |
CN110557262B (zh) | 2021-05-18 |
KR20190136981A (ko) | 2019-12-10 |
EP3576345A1 (en) | 2019-12-04 |
CN110557262A (zh) | 2019-12-10 |
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