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公开(公告)号：US20170366029A1
公开(公告)日：2017-12-21
申请号：US15182888
申请日：2016-06-15
发明人： Brian McKenna , Kaushal J. Patel , Kenneth J. Steeves , Marcel B. Grenier , Qinghong Yu , Jeffrey M. August , James Edward Briggs , Steven Allen Diggins , Jeffrey Steven Young , Devin Patrick Auclair , James Walter Frey
CPC分类号： H02J7/0068 , G08G1/095 , H02J5/00 , H02J9/065
摘要： According to at least one aspect, embodiments herein provide a traffic light power management system comprising a power source, a first output, a service bypass unit and a power management unit. The service bypass unit is configured to receive AC power from the power source, convert the AC power to a first DC power in a first mode of operation, provide the first DC power to the first output in the first mode of operation, and provide the AC power to a power management unit in a second mode of operation. The power management unit is coupled to the service bypass unit, and is configured to receive the AC power from the service bypass unit in the second mode of operation, convert the AC power to a second DC power in the second mode of operation, and provide the DC power to the first output in the second mode of operation.
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公开(公告)号：US11824466B2
公开(公告)日：2023-11-21
申请号：US17126324
申请日：2020-12-18
CPC分类号： H02M7/797 , H02M1/32 , H02M1/4208
摘要： A power supply including an input configured to receive input power, an output configured to provide output power to a load, at least one relay, a crowbar circuit configured to selectively divert the input power away from the load, and a controller configured to detect a high-voltage condition at the input, activate, in response to detecting the high-voltage condition at the input, the crowbar circuit to divert the input power away from the load, output, in response to detecting the high-voltage condition at the input, a signal to operate the at least one relay to transition from a first state to a second state, and deactivate the crowbar circuit in response to a determination that the at least one relay has transitioned to the second state.
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公开(公告)号：US20220200483A1
公开(公告)日：2022-06-23
申请号：US17126324
申请日：2020-12-18
摘要： A power supply including an input configured to receive input power, an output configured to provide output power to a load, at least one relay, a crowbar circuit configured to selectively divert the input power away from the load, and a controller configured to detect a high-voltage condition at the input, activate, in response to detecting the high-voltage condition at the input, the crowbar circuit to divert the input power away from the load, output, in response to detecting the high-voltage condition at the input, a signal to operate the at least one relay to transition from a first state to a second state, and deactivate the crowbar circuit in response to a determination that the at least one relay has transitioned to the second state.
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公开(公告)号：US11799318B2
公开(公告)日：2023-10-24
申请号：US17647109
申请日：2022-01-05
CPC分类号： H02J9/062 , H02J3/003 , H02J3/004 , H02J7/0048 , H02J7/0063 , H02J7/00712
摘要： Aspects of the disclosure include a power device having a first input configured to be coupled to a main power source, a second input configured to be coupled to a back-up power source, an output configured to be coupled to a load, the load being configured to perform a procedure, and at least one controller configured to determine a required energy for the load to perform the procedure, estimate an amount of available energy predicted to be available to the power device during the procedure, the available energy being derived from at least the back-up power source, determine whether the amount of available energy predicted to be available is equal to or greater than the required energy, and prevent power from being provided at the output responsive to determining that the amount of available energy predicted to be available is less than the required energy.
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公开(公告)号：US20220224150A1
公开(公告)日：2022-07-14
申请号：US17647109
申请日：2022-01-05
摘要： Aspects of the disclosure include a power device having a first input configured to be coupled to a main power source, a second input configured to be coupled to a back-up power source, an output configured to be coupled to a load, the load being configured to perform a procedure, and at least one controller configured to determine a required energy for the load to perform the procedure, estimate an amount of available energy predicted to be available to the power device during the procedure, the available energy being derived from at least the back-up power source, determine whether the amount of available energy predicted to be available is equal to or greater than the required energy, and prevent power from being provided at the output responsive to determining that the amount of available energy predicted to be available is less than the required energy.
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公开(公告)号：US10547191B2
公开(公告)日：2020-01-28
申请号：US15182888
申请日：2016-06-15
发明人： Brian McKenna , Kaushal J. Patel , Kenneth J. Steeves , Marcel B. Grenier , Qinghong Yu , Jeffrey M. August , James Edward Briggs , Steven Allen Diggins , Jeffrey Steven Young , Devin Patrick Auclair , James Walter Frey
IPC分类号： H02J7/00
摘要： According to at least one aspect, embodiments herein provide a traffic light power management system comprising a power source, a first output, a service bypass unit and a power management unit. The service bypass unit is configured to receive AC power from the power source, convert the AC power to a first DC power in a first mode of operation, provide the first DC power to the first output in the first mode of operation, and provide the AC power to a power management unit in a second mode of operation. The power management unit is coupled to the service bypass unit, and is configured to receive the AC power from the service bypass unit in the second mode of operation, convert the AC power to a second DC power in the second mode of operation, and provide the DC power to the first output in the second mode of operation.
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