Power over ethernet system, related method and related apparatus
View Patent ↗The present disclosure discloses a power over Ethernet system, including: at least one network port module, configured to achieve power over Ethernet or receive electric energy provided by Ethernet; a power supply module, configured to acquire the electric energy; a power consumption module, configured to act as a load component using the electric energy; and at least one integrated power supply and power receiving module, configured to supply power to the network port module by the electric energy acquired from the power supply module when in a power supply mode, and supply power to the power assumption module by the electric energy acquired from the network port module when in a power receiving mode. The present disclosure reduces the cost of the PoE system, and improves the integration level of a device.
1 . A power over Ethernet device, comprising:
at least one network port module, configured to transmit electric power via an Ethernet cable when the power over Ethernet device is in a power supply mode, and receive electric power via the Ethernet cable when the power over Ethernet device is in a power receiving mode;
a power supply module, configured to acquire the electric power when the power over Ethernet device is in the power receiving mode;
a power consumption module, configured to act as a load component using the electric power; and
at least one integrated power supply and power receiving module, configured to supply power to the at least one network port module by the electric power acquired from the power supply module when in the power supply mode, and supply power to the power consumption module by the electric power acquired from the at least one network port module when in the power receiving mode;
wherein the power consumption module is configured to acquire the electric power from the power supply module when the power over Ethernet device is in the power supply mode, and acquire the electric power from the at least one integrated power supply and power receiving module when the power over Ethernet device is in the power receiving mode;
wherein the at least one network port module comprises an auxiliary switch component, and the auxiliary switch component is configured to achieve turn-on/turn-off control, rectification and multi-port extension.
2 . The power over Ethernet device as claimed in claim 1 , wherein the integrated power supply and power receiving module comprises:
a non-polar bidirectional power converter, configured to achieve bidirectional power transmission; and
an autonomous negotiation control component, configured to determine a working mode of the power over Ethernet device, and control, in a case that the working mode is the power supply mode, the non-polar bidirectional power converter to supply power to the at least one network port module by the electric power acquired from the power supply module; and configured to control, in a case that the working mode is the power receiving mode, the non-polar bidirectional power converter to supply power to the power consumption module by the electric power acquired from the at least one network port module.
3 . The power over Ethernet device as claimed in claim 2 , wherein the autonomous negotiation control component comprises a system control subcomponent, a power consumption control subcomponent, a power control subcomponent, a switch control subcomponent, and a handshake control subcomponent.
4 . The power over Ethernet device as claimed in claim 3 , wherein the system control subcomponent is configured to autonomous identity negotiation control, power on/off timing control, and power supply on/off control.
5 . The power over Ethernet device as claimed in claim 3 , wherein the power consumption control subcomponent is integrated in the power consumption module, and is configured to perform bidirectional current conduction and blocking and forward hot-swapping protection.
6 . The power over Ethernet device as claimed in claim 3 , wherein the power consumption module is further configured to cooperate with the system control subcomponent to achieve autonomous device identify recognition of the power over Ethernet device.
7 . The power over Ethernet device as claimed in claim 2 , wherein the non-polar bidirectional power converter is a bidirectional isolated converter or a bidirectional Direct Current-Direct Current (DC-DC for short) converter.
8 . The power over Ethernet device as claimed in claim 2 , wherein the autonomous negotiation control component is specifically configured to determine whether power supply access exists in the power supply module; set the working mode as the power supply mode and execute a power supply operation process when the power supply access exists in the power supply module; and set the working mode as the power receiving mode and execute a power receiving operation process when the power supply access does not exist in the power supply module.
9 . The power over Ethernet device as claimed in claim 1 , wherein the at least one network port module is a Registered Jack (RJ for short) 45 network port connector.
10 . The power over Ethernet device as claimed in claim 1 , wherein the power supply module is one of the following: an adapter, an industrial power supply system, a battery pack, other power over Ethernet device.
11 . The power over Ethernet device as claimed in claim 1 , there are a plurality of integrated power supply and power receiving modules; wherein a first integrated power supply and power receiving module is in the power supply mode, and a second integrated power supply and power receiving module is in the power receiving mode.
12 . The power over Ethernet device as claimed in claim 11 , wherein an output end of the second integrated power supply and power receiving module is connected to an input end of the first integrated power supply and power receiving module.
13 . The power over Ethernet device as claimed in claim 11 , wherein the at least one network port module corresponding to the second integrated power supply and power receiving module is connected to other power over Ethernet device, and is configured to receive electric power.
14 . The power over Ethernet device as claimed in claim 1 , wherein there are a plurality of network port modules; wherein the plurality of network port modules are configured to transmit electric power via the Ethernet cable for a plurality of powered devices.
15 . The power over Ethernet device as claimed in claim 14 , wherein the plurality of powered devices are power over Ethernet devices.
16 . The power over Ethernet device as claimed in claim 1 , wherein the power consumption module at least comprises a hot-swapping component, an one-time programmable memory component and a transistor component, and is configured to achieve protection control and current combining and paralleling by the hot-swapping component, the one-time programmable memory component and the transistor component.