CN116015988A - Gigabit PoE extender - Google Patents

Gigabit PoE extender Download PDF

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Publication number
CN116015988A
CN116015988A CN202211470691.2A CN202211470691A CN116015988A CN 116015988 A CN116015988 A CN 116015988A CN 202211470691 A CN202211470691 A CN 202211470691A CN 116015988 A CN116015988 A CN 116015988A
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China
Prior art keywords
module
transformer
port
chip
conversion circuit
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Pending
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CN202211470691.2A
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Chinese (zh)
Inventor
吴凯
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Shenzhen JWIPC Technology Co Ltd
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Shenzhen JWIPC Technology Co Ltd
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Priority to CN202211470691.2A priority Critical patent/CN116015988A/en
Publication of CN116015988A publication Critical patent/CN116015988A/en
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    • 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

Abstract

The invention belongs to the technical field of power over Ethernet, and provides a gigabit PoE extender, which comprises: PHY chip module, net gape transformer module, PD power module, voltage conversion module and PSE power module, PHY chip module is connected with net gape transformer module, voltage conversion module respectively, net gape transformer module, voltage conversion module all are connected with PD power module and PSE power module, net gape transformer module still is connected with the RJ45 connector, has effectively solved the equipment and has appeared the condition that the business lost packet when exceeding 100m net twine transmission easily, more is favorable to data transmission.

Description

Gigabit PoE extender
Technical Field
The invention belongs to the technical field of power over Ethernet, and particularly relates to a gigabit PoE extender.
Background
PoE (Power over Ethernet ) refers to a technology that can provide dc power to some IP-based terminals (e.g., IP phones, wireless lan access points AP, webcams, etc.) while transmitting data signals to such devices without any modification to the existing cat.5 cabling infrastructure.
Although with the popularization of PoE power over ethernet standards, it is possible for more and more terminal devices to obtain dc power from ethernet cables, such as the latest I EEE802.3BT ethernet standard, at PSE end, power over 90W can be provided, and at PD end, power of powered devices can reach 71W at maximum. However, most of ethernet power supply switches sold in the existing market are limited by ethernet standards, the transmission distance is generally 100m, and for communication and power supply transmission over a longer distance, the ethernet power supply switches cannot support well, and the problem that data transmission is blocked due to service packet loss in long-distance transmission with a construction wiring length of over 100m, such as 200m, is likely to occur.
Disclosure of Invention
The invention aims to provide a gigabit PoE extender, which aims to solve the problems that service packet loss easily occurs in long-distance transmission with construction wiring length exceeding 100m and data transmission is not facilitated in the prior art.
The present invention provides a gigabit PoE extender comprising: PHY chip module, net gape transformer module, PD power module, voltage conversion module and PSE power module, PHY chip module is connected with net gape transformer module, voltage conversion module respectively, net gape transformer module, voltage conversion module all are connected with PD power module and PSE power module, net gape transformer module still is connected with the RJ45 connector.
Preferably, the PHY chip module includes a PHY chip, the PHY chip is provided with a first gigabit ethernet port and a second gigabit ethernet port, and the first gigabit ethernet port and the second gigabit ethernet port are both connected with the network port transformer module.
Preferably, the network port transformer module comprises an input network port transformer and an output network port transformer, the input network port transformer is connected with the first gigabit Ethernet port, and the output network port transformer is connected with the second gigabit Ethernet port.
Preferably, the RJ45 connector comprises an input single-port RJ45 connector and an output single-port RJ45 connector, the input single-port RJ45 connector is connected with an input network port transformer, and the output single-port RJ45 connector is connected with an output network port transformer.
Preferably, the PD power receiving module comprises a PD chip and a bridge rectifier circuit, one end of the bridge rectifier circuit is connected with the PD chip, and the other end of the bridge rectifier circuit is connected between the input network port transformer and the input single-port RJ45 connector.
Preferably, the voltage conversion module comprises a 54V-to-12 VDC-DC conversion circuit module, a plurality of paths of 12VDC-DC conversion circuit modules and a 54V conversion circuit module, wherein the 54V-to-12 VDC-DC conversion circuit module is respectively connected with the plurality of paths of 12VDC-DC conversion circuit modules, the 54V conversion circuit module, the PD chip and the PSE power supply module, and the plurality of paths of 12VDC-DC conversion circuit modules are connected with the PHY chip.
Preferably, the PSE power supply module comprises a PSE chip and a linear voltage stabilizer, one end of the PSE chip is connected with the linear voltage stabilizer, the other end of the PSE chip is connected with the 54V converting circuit module, the other end of the 54V converting circuit module is connected between the output network port transformer and the output single-port RJ45 connector, and the other end of the linear voltage stabilizer is connected with the 54V-to-12 VDC-DC converting circuit module.
Preferably, the PHY chip module is further connected with an MCU processor module and/or an EEPROM chip module, and the MCU processor module is connected with the PHY chip module through an SMI serial interface.
Preferably, the PHY chip module is further connected with a crystal oscillator module.
Preferably, the voltage conversion module is further connected with a fan module.
The invention has the beneficial effects that: in the gigabit PoE extender, a PHY chip module is respectively connected with a network port transformer module and a voltage conversion module, the network port transformer module and the voltage conversion module are connected with a PD power receiving module and a PSE power supply module, the network port transformer module is also connected with an RJ45 connector, and when the length of construction wiring is greater than 100m, the input port of the RJ45 connector can accept the maximum 71W power consumption input; the output port of the RJ45 connector can provide maximum 30W output power consumption outwards, so that the problem that service packet loss is easy to occur when equipment transmits over 100m network cables is effectively solved, and data transmission is facilitated.
Drawings
FIG. 1 is a schematic diagram of a gigabit PoE extender in accordance with a first embodiment of the invention;
fig. 2 is a schematic structural diagram of a gigabit PoE extender in a second embodiment of the invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The following describes in detail the implementation of the present invention in connection with specific embodiments:
embodiment one:
fig. 1 shows a configuration of a gigabit PoE extender in accordance with a first embodiment of the present invention, including: PHY chip module, net gape transformer module, PD power module, voltage conversion module and PSE power module, PHY chip module are connected with net gape transformer module, voltage conversion module respectively, and net gape transformer module, voltage conversion module all are connected with PD power module and PSE power module, and net gape transformer module still is connected with the RJ45 connector.
In this embodiment, the PHY chip module includes a PHY chip 101, where the PHY chip 101 is configured to transmit and receive data frames (frames) of ethernet; as shown in fig. 1, the PHY chip 101 is provided with a first gigabit ethernet port 0 and a second gigabit ethernet port 1, where the first gigabit ethernet port 0 is connected to an input network port transformer 201, and the second gigabit ethernet port 1 is connected to an output network port transformer 202.
Correspondingly, in this embodiment, as shown in fig. 1, the network port transformer module includes an input network port transformer 201 and an output network port transformer 202, where the input network port transformer 201 is connected with the first gigabit ethernet port 0, the output network port transformer 202 is connected with the second gigabit ethernet port 1, and the functions of the input network port transformer 201 and the output network port transformer 202 are used for signal level coupling, so that the signal transmission distance can be further; the PHY chip 101 can be isolated from the outside, so that the anti-interference capability is greatly enhanced, and the protection effect on the PHY chip 101 is increased.
Correspondingly, in this embodiment, as shown in fig. 1, the RJ45 connector includes an input single-port RJ45 connector 601 and an output single-port RJ45 connector 602, where the input single-port RJ45 connector 601 is connected with the input network port transformer 201, the output single-port RJ45 connector 602 is connected with the output network port transformer 202, and the input single-port RJ45 connector 601 supports the I EEE802.3BT standard, so as to accept the input of the maximum 71W power consumption; the output single port RJ45 connector 602 supports the I EEE802.3AT standard and can provide a maximum 30W output power consumption to the outside.
In this embodiment, as shown in fig. 1, the PD power receiving module includes a PD chip 301 and a bridge rectifier circuit 302, where one end of the bridge rectifier circuit 302 is connected to the PD chip 301, and the other end of the bridge rectifier circuit 302 is connected between the input network port transformer 201 and the input single port RJ45 connector 601.
In this embodiment, as shown in fig. 1, the voltage conversion module includes a 54V to 12VDC-DC conversion circuit module 401, a plurality of 12VDC-DC conversion circuit modules 402 and 54V conversion circuit module 403, wherein the 54V to 12VDC-DC conversion circuit module 401 is connected to the plurality of 12VDC-DC conversion circuit modules 402 and 54V conversion circuit module 403, the PD chip 301 and the linear voltage regulator 502, respectively, and the plurality of 12VDC-DC conversion circuit modules 402 are connected to the PHY chip 101.
In this embodiment, as shown in fig. 1, the PSE power module includes a PSE chip 501 and a linear voltage stabilizer 502, where one end of the PSE chip 501 is connected to the linear voltage stabilizer 502, the other end of the PSE chip 501 is connected to the 54V conversion circuit module 403, the other end of the 54V conversion circuit module 403 is connected between the output network port transformer 202 and the output single port RJ45 connector 602, and the other end of the linear voltage stabilizer 502 is connected to the 54V-to-12 VDC-DC conversion circuit module 401.
In practical application, the ethernet differential signal is supplied to the device through the input network port transformer 201 and the bridge rectifier circuit 302, and the PD chip 301 meeting the I EEE802.3BT is matched, so that the PSE chip 501 meeting the BT standard can be accepted to supply power to the device, the 54V direct current recovered from the bridge rectifier circuit 302 is converted into 12VDC-DC by the 54V conversion circuit module 401, and the 12V voltage is output, and then the 12V voltage is converted into multiple paths of 12VDC-DC conversion circuit modules 402 to provide various paths of working voltages required by the PHY chip 101.
The first gigabit ethernet port 0, upon receiving the ethernet differential signal transmitted from the input port transformer 201, can filter and shape the ethernet waveform, and then output the ethernet waveform from the second gigabit ethernet port 1 to the output port transformer 202.
Meanwhile, through matching with the PSE chip 501 with the I EEE802.3AT standard power supply capability, 54V direct current is externally provided through the 54V conversion circuit module 403.
It should be noted that, the 54V conversion circuit module 403 in this embodiment is a buck-boost circuit, so that when the voltage at the input end of the module is lower than or higher than the POE power supply voltage, the 54V voltage can still be stably output by the 54V conversion circuit module 403, and a dc power supply is provided for the power supply output of the next stage POE.
In this embodiment, the PHY chip 101 is a PHY chip having at least 2port (port) gigabit portal output.
In addition, since the 3.3V supply current typically required by the PSE chip 501 is not large, a linear regulator 502 is used to provide the 3.3V operating voltage to the PSE chip 501 instead of a DC-DC conversion circuit; in this embodiment, the model of the linear voltage regulator 502 is TLV431.
Further, in this embodiment, as shown in fig. 1, the PHY chip 101 is further connected to an MCU processor module 700, and the MCU processor module 700 is connected to the PHY chip 101 through an SM I serial interface, where the SM I serial interface is used to transmit MDC/MD I O signals, and the MCU processor module 700 is used to coordinate the input port and the output port to keep consistent in port rate.
Further, in this embodiment, as shown in fig. 1, the PHY chip 101 is further connected to a crystal oscillator module 800, where the crystal oscillator module 800 is used to provide an operating clock inside the PHY chip 101, the crystal oscillator is a clock element commonly used in a circuit, and the higher the clock frequency provided by the crystal oscillator, the faster the running speed of the MCU.
Embodiment two:
fig. 2 shows a structure of a gigabit PoE extender in a second embodiment of the present invention, including: PHY chip module, net gape transformer module, PD power module, voltage conversion module and PSE power module, PHY chip module are connected with net gape transformer module, voltage conversion module respectively, and net gape transformer module, voltage conversion module all are connected with PD power module and PSE power module, and net gape transformer module still is connected with the RJ45 connector.
In this embodiment, the PHY chip module includes a PHY chip 101, as shown in fig. 2, where the PHY chip 101 is provided with a first gigabit ethernet port 0 and a second gigabit ethernet port 1, where the first gigabit ethernet port 0 is connected to an input network port transformer 201, and the second gigabit ethernet port 1 is connected to an output network port transformer 202.
Correspondingly, in this embodiment, as shown in fig. 2, the network port transformer module includes an input network port transformer 201 and an output network port transformer 202, where the input network port transformer 201 is connected to the first gigabit ethernet port 0, and the output network port transformer 202 is connected to the second gigabit ethernet port 1.
Correspondingly, in this embodiment, as shown in fig. 2, the RJ45 connector includes an input single-port RJ45 connector 601 and an output single-port RJ45 connector 602, where the input single-port RJ45 connector 601 is connected to the input network port transformer 201, and the output single-port RJ45 connector 602 is connected to the output network port transformer 202.
In this embodiment, as shown in fig. 2, the PD power receiving module includes a PD chip 301 and a bridge rectifier circuit 302, where one end of the bridge rectifier circuit 302 is connected to the PD chip 301, and the other end of the bridge rectifier circuit 302 is connected between the input network port transformer 201 and the input single port RJ45 connector 601.
In this embodiment, as shown in fig. 2, the voltage conversion module includes a 54V to 12VDC-DC conversion circuit module 401, a plurality of 12VDC-DC conversion circuit modules 402 and 54V conversion circuit module 403, wherein the 54V to 12VDC-DC conversion circuit module 401 is connected to the plurality of 12VDC-DC conversion circuit modules 402 and 54V conversion circuit module 403, the PD chip 301 and the linear voltage regulator 502, respectively, and the plurality of 12VDC-DC conversion circuit modules 402 are connected to the PHY chip 101.
In this embodiment, as shown in fig. 2, the PSE power module includes a PSE chip 501 and a linear voltage stabilizer 502, where one end of the PSE chip 501 is connected to the linear voltage stabilizer 502, the other end of the PSE chip 501 is connected to the 54V conversion circuit module 403, the other end of the 54V conversion circuit module 403 is connected between the output network port transformer 202 and the output single port RJ45 connector 602, and the other end of the linear voltage stabilizer 502 is connected to the 54V-to-12 VDC-DC conversion circuit module 401.
In this embodiment, as shown in fig. 2, the PHY chip 101 is further connected to an MCU processor module 700 and a crystal oscillator module 800.
The working principle of each element and circuit in the second embodiment of the present invention is the same as that in the first embodiment, and will not be repeated here.
Further, in this embodiment, as shown in fig. 2, the PHY chip 101 is further connected to an EEPROM chip module 900, where the EEPROM chip module 900 includes an EEPROM chip, and the EEPROM chip module 900, like the MCU processor module 700, is reserved as a type of reservation for coordinating the input port and the output port to keep consistent in port rate.
Further, in this embodiment, in order to make the whole circuit work stably and reliably, a low noise fan module 1000 is further added for dissipating heat from the whole machine, and specifically, as shown in fig. 2, the fan module 1000 is connected to the 54V-to-12 VDC-DC conversion circuit module 401.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (10)

1. A gigabit PoE extender, characterized by: comprising the following steps: PHY chip module, net gape transformer module, PD power module, voltage conversion module and PSE power module, PHY chip module is connected with net gape transformer module, voltage conversion module respectively, net gape transformer module, voltage conversion module all are connected with PD power module and PSE power module, net gape transformer module still is connected with the RJ45 connector.
2. The gigabit PoE extender of claim 1, wherein: the PHY chip module comprises a PHY chip, wherein the PHY chip is provided with a first gigabit Ethernet port and a second gigabit Ethernet port, and the first gigabit Ethernet port and the second gigabit Ethernet port are both connected with the network port transformer module.
3. The gigabit PoE extender of claim 2, wherein: the network port transformer module comprises an input network port transformer and an output network port transformer, wherein the input network port transformer is connected with a first kilomega Ethernet port, and the output network port transformer is connected with a second kilomega Ethernet port.
4. A gigabit PoE extender as recited in claim 3 wherein: the RJ45 connector comprises an input single-port RJ45 connector and an output single-port RJ45 connector, the input single-port RJ45 connector is connected with an input network port transformer, and the output single-port RJ45 connector is connected with an output network port transformer.
5. The gigabit PoE extender of claim 4, wherein: the PD power receiving module comprises a PD chip and a bridge rectifier circuit, one end of the bridge rectifier circuit is connected with the PD chip, and the other end of the bridge rectifier circuit is connected between an input network port transformer and an input single-port RJ45 connector.
6. The gigabit PoE extender of claim 5, wherein: the voltage conversion module comprises a 54V-to-12 VDC-DC conversion circuit module, a plurality of paths of 12VDC-DC conversion circuit modules and a 54V conversion circuit module, wherein the 54V-to-12 VDC-DC conversion circuit module is respectively connected with the plurality of paths of 12VDC-DC conversion circuit modules, the 54V conversion circuit module, the PD chip and the PSE power supply module, and the plurality of paths of 12VDC-DC conversion circuit modules are connected with the PHY chip.
7. The gigabit PoE extender of claim 6, wherein: the PSE power supply module comprises a PSE chip and a linear voltage stabilizer, one end of the PSE chip is connected with the linear voltage stabilizer, the other end of the PSE chip is connected with the 54V conversion circuit module, the other end of the 54V conversion circuit module is connected between the output network port transformer and the output single-port RJ45 connector, and the other end of the linear voltage stabilizer is connected with the 54V-to-12 VDC-DC conversion circuit module.
8. The gigabit PoE extender of claim 1, wherein: the PHY chip module is also connected with an MCU processor module and/or an EEPROM chip module, and the MCU processor module is connected with the PHY chip module through an SMI serial interface.
9. The gigabit PoE extender of claim 1, wherein: and the PHY chip module is also connected with a crystal oscillator module.
10. The gigabit PoE extender of claim 1, wherein: the voltage conversion module is also connected with a fan module.
CN202211470691.2A 2022-11-23 2022-11-23 Gigabit PoE extender Pending CN116015988A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211470691.2A CN116015988A (en) 2022-11-23 2022-11-23 Gigabit PoE extender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211470691.2A CN116015988A (en) 2022-11-23 2022-11-23 Gigabit PoE extender

Publications (1)

Publication Number Publication Date
CN116015988A true CN116015988A (en) 2023-04-25

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CN202211470691.2A Pending CN116015988A (en) 2022-11-23 2022-11-23 Gigabit PoE extender

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