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公开(公告)号：US12096582B2
公开(公告)日：2024-09-17
申请号：US17875130
申请日：2022-07-27
Applicant: Delta Electronics, Inc.
Inventor： Jui-Chien Hung , Wen-Lung Huang , Chun-Han Lin , Sheng-Hua Li
Abstract: A bearing structure for a high-low-voltage conversion circuit is disclosed and includes an insulation carrier, a first conductor layer, a second conductor layer, a first trench and a first insulation material. The first conductor layer and the second conductor layer are coated on the first surface and the second surface of the insulation carrier, respectively. A voltage difference is formed between the first conductor layer and the second conductor layer. The first trench is disposed on the first surface and surrounds an outer peripheral edge of the first conductor layer. The first conductor layer is extended from the first surface into the first trench, and the outer peripheral edge of the first conductor layer is located at a bottom of the first trench. The first insulation material covers the outer peripheral edge of the first conductor layer and is filled in the first trench.
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公开(公告)号：US11581885B2
公开(公告)日：2023-02-14
申请号：US17011370
申请日：2020-09-03
Applicant: DELTA ELECTRONICS, INC.
Inventor： Li-Ching Yang , Wen-Lung Huang , Sheng-Hua Li
IPC: H03K17/0812 , H02M3/158
Abstract: A pre-charge control circuit includes a control unit, a conversion unit, and a pre-charge switch. The control unit provides a control signal according to a PWM signal, and the conversion unit provides a control voltage according to the control signal. The pre-charge switch adjusts a magnitude of the current flowing through the input path of the electronic circuit according to the control voltage.
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公开(公告)号：US12143020B2
公开(公告)日：2024-11-12
申请号：US18471731
申请日：2023-09-21
Applicant: DELTA ELECTRONICS, INC.
Inventor： Sheng-Hua Li , Wen-Lung Huang
Abstract: A power apparatus applied in a solid state transformer structure includes an AC-to-DC conversion unit, a first DC bus, and a plurality of bi-directional DC conversion units. First sides of the bi-directional DC conversion units are coupled to the first DC bus. Second sides of the bi-directional DC conversion units are configured to form at least one second DC bus, and the number of the at least one second DC bus is a bus number. The bi-directional DC conversion units receive a bus voltage of the first DC bus and convert the bus voltage into at least one DC voltage, or the bi-directional DC conversion units receive at least one external DC voltage and convert the at least one external DC voltage into the bus voltage.
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公开(公告)号：US12066479B2
公开(公告)日：2024-08-20
申请号：US17892512
申请日：2022-08-22
Applicant: DELTA ELECTRONICS, INC.
Inventor： Li-Ching Yang , Wen-Lung Huang , Sheng-Hua Li
CPC classification number: G01R31/14
Abstract: An insulation resistance detection circuit is coupled to a positive end and a negative end of a DC power source, and is used to detect a positive insulation resistance between the positive end and a ground point and detect a negative insulation resistance between the negative end and the ground point. A detection unit sets a first estimated resistance and a second estimated resistance, and acquires a first voltage based on turning on the switch and acquires a second voltage based on turning off the switch. The detection unit calculates a third voltage and a fourth voltage according to the first estimated resistance and the second estimated resistance so as to detect the positive insulation resistance and the negative insulation resistance when the third voltage is equal to the first voltage and the fourth voltage is equal to the second voltage.
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公开(公告)号：US12062988B2
公开(公告)日：2024-08-13
申请号：US17735772
申请日：2022-05-03
Applicant: DELTA ELECTRONICS, INC.
Inventor： Che-Wei Chang , Wen-Lung Huang , Sheng-Hua Li
CPC classification number: H02M3/3353 , H02M1/0058 , H02M3/33592
Abstract: An auxiliary power circuit of a conversion module is used to supply power to a control unit, and an input end of the conversion module includes an even number of energy storage units coupled in series. The auxiliary power circuit includes an even number of primary-side circuits and a secondary-side circuit. Each primary-side circuit includes a first switch unit, a second switch unit, and a resonance tank. The first switch unit is connected to the second switch unit in series, and is correspondingly connected to one of the energy storage units in parallel. The resonance tank is connected to the second switch unit in parallel. The secondary-side circuit is coupled to the resonance tanks of two of the primary-side circuits to acquire power and supply power to the control unit.
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Patent Agency Ranking
公开(公告)号：US20230371194A1
公开(公告)日：2023-11-16
申请号：US17875130
申请日：2022-07-27
Applicant: Delta Electronics, Inc.
Inventor： Jui-Chien Hung , Wen-Lung Huang , Chun-Han Lin , Sheng-Hua Li
Abstract: A bearing structure for a high-low-voltage conversion circuit is disclosed and includes an insulation carrier, a first conductor layer, a second conductor layer, a first trench and a first insulation material. The first conductor layer and the second conductor layer are coated on the first surface and the second surface of the insulation carrier, respectively. A voltage difference is formed between the first conductor layer and the second conductor layer. The first trench is disposed on the first surface and surrounds an outer peripheral edge of the first conductor layer. The first conductor layer is extended from the first surface into the first trench, and the outer peripheral edge of the first conductor layer is located at a bottom of the first trench. The first insulation material covers the outer peripheral edge of the first conductor layer and is filled in the first trench.
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公开(公告)号：US12222383B2
公开(公告)日：2025-02-11
申请号：US18637993
申请日：2024-04-17
Applicant: DELTA ELECTRONICS, INC.
Inventor： Li-Ching Yang , Wen-Lung Huang , Sheng-Hua Li
Abstract: An insulation resistance detection circuit is coupled to a positive end and a negative end of a DC power source, and is used to detect a positive insulation resistance between the positive end and a ground point and detect a negative insulation resistance between the negative end and the ground point. A detection unit sets a first estimated resistance and a second estimated resistance, and acquires a first voltage based on turning on the switch and acquires a second voltage based on turning off the switch. The detection unit calculates a third voltage and a fourth voltage according to the first estimated resistance and the second estimated resistance so as to detect the positive insulation resistance and the negative insulation resistance when the third voltage is equal to the first voltage and the fourth voltage is equal to the second voltage.
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公开(公告)号：US11839067B2
公开(公告)日：2023-12-05
申请号：US17521413
申请日：2021-11-08
Applicant: DELTA ELECTRONICS, INC.
Inventor： Sheng-Hua Li , Wen-Lung Huang
CPC classification number: H05K7/20909 , H05K7/1492
Abstract: A rack device having a cabinet and power modules stacked in the cabinet is provided. The power module has a frame, an insulative plate, an insulative cover and transformers. The insulative plate is arranged in the frame. The insulative cover is arranged in the frame and disposed spacedly from and parallel with the insulative plate. Each transformer arranged in the frame has a high-voltage set and a low-voltage set electrically connected with each other. The low-voltage sets are arranged on one surface of the insulative plate and do not protrude from the frame, and the high-voltage sets are arranged on another surface of the insulative plate and between the insulative plate and the insulative cover. The frame of each power module is connected with the frame of adjacent power module, and the frame of at least one of the power modules is connected to the cabinet.
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公开(公告)号：US11774690B2
公开(公告)日：2023-10-03
申请号：US17451532
申请日：2021-10-20
Applicant: Delta Electronics, Inc.
Inventor： Sheng-Hua Li , Chun-Han Lin , Wen-Lung Huang
IPC: G02B6/42
CPC classification number: G02B6/4245 , G02B6/428 , G02B6/4231 , G02B6/4257
Abstract: A connector for a system circuit board or a power module is provided. The connector includes a main body and an optical connection mechanism. The main body includes a first connecting terminal and a second connecting terminal. The first connecting terminal and the second connecting terminal are power contacts or signal contacts. The optical fiber connection mechanism is embedded within the main body. The optical fiber connection mechanism is disposed between the first connecting terminal and the second connecting terminal. Since the optical fiber connection mechanism is embedded within the main body, it is not necessary to specifically remove the optical fiber cable when the power module is detached from the cabinet. Moreover, the appearance of the product is more aesthetically-pleasing, and the maintaining speed and the product reliability are increased.
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10.发明授权公开(公告)号：US11515800B2
公开(公告)日：2022-11-29
申请号：US17168815
申请日：2021-02-05
Applicant: DELTA ELECTRONICS, INC.
Inventor： Wen-Lung Huang , Sheng-Hua Li
IPC: H02M7/797 , H02M3/335 , H02M5/458 , H02M7/5387 , H02M7/219 , H02M7/48 , H02M7/483 , H02M7/81 , H02M3/00
Abstract: A power apparatus applied in an SST structure includes a first AC-to-DC conversion unit, a first DC bus, an isolated transformer, a DC-to-AC conversion unit, a second AC-to-DC conversion unit, and a second DC bus. The first AC-to-DC conversion unit has a first bridge arm and a second bridge arm. The first DC bus provides a first DC voltage. The isolated transformer has a primary side and a secondary side. The DC-to-AC conversion unit has a third bridge arm and a fourth bridge arm. The second AC-to-DC conversion unit has a fifth bridge arm and a sixth bridge arm. The second DC bus provides a second DC voltage.
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