CN218240706U - Intelligent PoE repeater - Google Patents
Intelligent PoE repeater Download PDFInfo
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- CN218240706U CN218240706U CN202222217200.5U CN202222217200U CN218240706U CN 218240706 U CN218240706 U CN 218240706U CN 202222217200 U CN202222217200 U CN 202222217200U CN 218240706 U CN218240706 U CN 218240706U
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Abstract
The utility model discloses an intelligent PoE repeater, which comprises a PoE input port; the data end of the PoE input port is connected with the input end of the switch processing module; the power supply end of the PoE input port is connected with the input end of the PD module; the output end of the PD module is connected with the input end of the power module; the output end of the power supply module is connected with the input end of the PSE module; the system comprises a PoE output port, a PSE module, a switch processing module and a PoE output port, wherein the PSE module is connected with a power end of the PoE output port; and the MCU control module is respectively connected with the switch processing module and the control end of the PSE module. The utility model discloses need not external power supply, only need a net twine alright accomplish the power supply and the communication of a plurality of equipment, can adapt to diversified exchange application environment, reduce the wiring and the construction degree of difficulty. In addition, the running power consumption can be intelligently adjusted, and the energy-saving effect is achieved.
Description
Technical Field
The utility model relates to a PoE equipment field, in particular to intelligence PoE repeater.
Background
With the popularization of electronic goods, network switches are used in more and more places, the application of the switches is wide, the switches are particularly common in enterprises, schools, markets and the like and play an important role as important carriers of network transmission all the time, due to the diversification of environments and different requirements of various scenes, a common switch needs to be connected with a power supply and a network cable at the same time, elbows are caught in outdoor engineering application, the power of a common repeater is too small, the number of ports is small and the like, the devices such as a Wireless LAN AP, an IP Phone, an IP Camera and the like are numerous, special in position, complex in data/power line wiring, difficult in power taking of the devices, manpower and material resources are consumed in engineering implementation, the construction cost is increased, and the construction period is prolonged. The existing switch also has the problem that the power consumption is high, and the running power consumption of the equipment cannot be intelligently adjusted according to the running state.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an intelligence PoE repeater can adapt to diversified exchange application environment, reduces the wiring and the construction degree of difficulty to can intelligent regulation equipment's operation consumption.
According to the utility model discloses intelligence PoE repeater of first aspect embodiment, include: the PoE input port is used for connecting a front-stage PoE device through a network cable; the data end of the PoE input port is connected with the input end of the switch processing module; the power supply end of the PoE input port is connected with the input end of the PD module; the output end of the PD module is connected with the input end of the power supply module; the output end of the power supply module is connected with the input end of the PSE module; the output end of the PSE module is connected with the power end of the PoE output port, and the output end of the switch processing module is connected with the data end of the PoE output port; the MCU control module is in communication connection with the switch processing module, and is connected with a control end of the PSE module to close the PSE module when PoE-free data output is achieved.
According to the utility model discloses intelligence PoE repeater has following beneficial effect at least:
PoE input port passes through net twine connection higher level PoE equipment, and the PD module provides power module after with the power rectification of higher level PoE equipment input, gives each module power supply by power module, and the PSE module supplies power for the subordinate PD equipment that PoE output port is connected, realizes the interaction of data through switch processing module between PoE input port and the PoE output port, makes can normal communication between preceding stage PoE equipment and the subordinate PD equipment, the utility model discloses need not external power source, only need a net twine alright accomplish the power supply and the communication of a plurality of equipment, can adapt to diversified exchange application environment, reduce the wiring and the construction degree of difficulty. In addition MCU control module and switch processing module intercommunication each other, MCU control module implements the data flow of monitoring switch processing module, if no data flow is monitored then close PSE module, makes PoE repeater be in low-power consumption operating mode, and this application can intelligent regulation operation power consumption to reduce whole operation power consumption, play energy-conserving effect.
According to some embodiments of the invention, the PD module comprises a rectifier circuit, a detection circuit and a PD chip U19; the input end of the rectifying circuit is connected with the power end of the PoE input port, the output end of the rectifying circuit is connected with the input end of the PD chip U19, the output end of the PD chip U19 is connected with the input end of the power module, and the detection circuit is arranged between the rectifying circuit and the PD chip U19 and used for enabling preceding-stage equipment to carry out power detection on the PD module.
According to some embodiments of the present invention, the model of the PD chip U19 is MP8003A.
According to some embodiments of the present invention, the power module comprises a first DC-DC conversion circuit, a second DC-DC conversion circuit and a third DC-DC conversion circuit, an input end of the first DC-DC conversion circuit is connected to an output end of the PD module, and an output end of the first DC-DC conversion circuit is used for outputting a 12V low-voltage operating power; the input end of the second DC-DC conversion circuit is connected with the output end of the PD module, and the output end of the second DC-DC conversion circuit is used for outputting a 3.3V low-voltage working power supply; the input end of the third DC-DC conversion circuit is connected with the output end of the second DC-DC conversion circuit, and the output end of the third DC-DC conversion circuit is used for outputting a 1.1V low-voltage working power supply.
According to some embodiments of the present invention, further comprising a DC interface module, the power end of the DC interface module is connected to the output of the power module.
According to the utility model discloses a some embodiments, MCU control module connects power module's control end cuts off when being used for full load DC interface module's power supply.
According to the utility model discloses a some embodiments still include display module, display module connects switch processing module and MCU control module respectively in order to be used for showing running state.
According to some embodiments of the invention, the switch processing module is RTL8367N-VBQFN88.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is a schematic block diagram of an intelligent PoE repeater according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a PD module according to an embodiment of the present invention;
fig. 3a is a schematic circuit diagram of a first DC-DC conversion circuit in a power module according to an embodiment of the present invention;
fig. 3b is a schematic circuit diagram of a second DC-DC conversion circuit in the power module according to the embodiment of the present invention;
fig. 3c is a schematic circuit diagram of a third DC-DC conversion circuit in the power module according to the embodiment of the present invention;
fig. 4a is a schematic circuit diagram of a network interface module in a PoE input port according to an embodiment of the present invention;
fig. 4b is a schematic circuit diagram of a network transformer in a PoE input port according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.
In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, an intelligent PoE repeater, comprising: poE input port, switch processing module, PD module, power module, PSE module, poE output port and MCU control module. In the embodiment, the 90W high-power PoE input is realized through the PoE input port, and the PoE input port can be applied to the work of most electronic devices. The data end of the PoE input port is connected with the input end of the switch processing module, and the output end of the switch processing module is connected with the data end of the PoE output port, so that data interaction between pre-stage PoE equipment and lower-stage PD equipment is realized. The input of PD module is connected to the power end of PoE input port, the input of power module is connected to the output of PD module, the input of PSE module is connected to power module's output, the power end of PoE output port is connected to the output of PSE module, supply power for the back stage PD equipment that PoE output port connects through the PSE module. MCU control module passes through the IO mouth and links to each other with switch processing module, realizes the real time monitoring to data traffic, and MCU control module connects the control end of PSE module, closes the PSE module when there is not PoE data output, reduces the operation consumption, and MCU control module adopts the processor chip that the model is STC15W408AS in this embodiment, and the MCU control module of other models can also be adopted according to actual need to the skilled in the art of course.
The embodiment of the utility model provides a PoE input port passes through net twine connection higher level PoE equipment, and the PD module provides power module after with the power rectification of higher level PoE equipment input, gives each module power supply by power module, and the PSE module supplies power for the subordinate PD equipment that PoE output port is connected, realizes the interaction of data through switch processing module between PoE input port and the PoE output port, makes can normal communication between preceding stage PoE equipment and the subordinate PD equipment, the utility model discloses need not external power source, only need a net twine alright accomplish the power supply and the communication of a plurality of equipment, can adapt to diversified exchange application environment, reduce the wiring and the construction degree of difficulty. In addition MCU control module and switch processing module intercommunication each other, MCU control module implements the data flow of monitoring switch processing module, if no data flow is monitored then close PSE module, makes PoE repeater be in low-power consumption operating mode, and this application can intelligent regulation operation power consumption to reduce whole operation power consumption, play energy-conserving effect.
It should be noted that, as shown in fig. 1, the present application further includes a DC interface module, a power supply end of the DC interface module is connected to an output end of the power supply module, and other switches or other electronic devices can be expanded through the DC interface module. The MCU control module is connected with a control end of a power supply part of the DC interface module by the power module, and can control to cut off the power supply of the DC interface module when the PoE repeater is fully loaded, so that the power is reduced.
Referring to fig. 2, a PD module according to an embodiment of the present invention includes a rectifying circuit, a detection circuit, and a PD chip U19; the input end of the rectifying circuit is connected with a power pin of the PoE input port, the output end of the rectifying circuit is connected with the input end of the PD chip U19, the output end of the PD chip U19 is connected with the input end of the power module, and the detection circuit is arranged between the rectifying circuit and the PD chip U19 and used for enabling front-stage PoE equipment to carry out power detection on the PD module. The detection circuit in the embodiment comprises a detection resistor PR2 and a classification resistor PR4, a positive electrode output pin VP + of the rectification circuit is connected with a pin DET of a PD chip U19 through the detection resistor PR2, a negative electrode output pin VP-of the rectification circuit is connected with a pin CLASS of the PD chip U19 through the classification resistor PR4, the rectification circuit in the embodiment adopts a bridge rectifier with the model of MB6S, the model of the PD chip U19 is MP8003A, of course, other types of rectification circuits or PD chips can be adopted, and PoE input voltage can be converted into 54V voltage through the MP8003A to be output. The PD module is provided with a detection circuit for judging whether legal rear-end PD equipment exists or not by detecting the resistance capacitance value between a power output line pair before front-stage PoE equipment supplies power to a circuit, and the principle is as follows: the PD module and the PSE module of the front-stage PoE equipment negotiate a power level in an initial connection stage. In order to prevent damage to non-PoE devices, a 25K ohm detection resistor PR2 is connected across the pair of power supply lines to facilitate the detection operation of the PSE module. When the PD device leaves the network, the PSE module also detects in the same way. And immediately detecting the power level of the PD equipment at the opposite end after detecting that the PD equipment which meets the standard exists. The specific method is to apply a detection voltage of 15.5V to 20.5V to the cable, the detection current is less than 100mA, and the detection time is 10-75 ms. The voltage applied to the twisted pair is then rapidly increased to 48V and normal power supply to the PD module begins, while the detection circuitry in the PD module is immediately switched off so that the detection circuitry does not continue to consume power from the power supply.
Referring to fig. 3a to 3c, for the utility model discloses a power module, it includes first DC-DC converting circuit, second DC-DC converting circuit and third DC-DC converting circuit, refer to fig. 3a and show, the output of PD module is connected to first DC-DC converting circuit's input, first DC-DC converting circuit's effect is for the low pressure working power supply of converting 54V's voltage into 12V, for components and parts such as DC interface module power supply. Referring to fig. 3b, an input end of the second DC-DC conversion circuit is connected to an output end of the PD module, and the second DC-DC conversion circuit is used to convert a voltage of 54V into a low voltage working power supply of 3.3V, so as to supply power to components such as the AVDDH terminal of the switch processing module and the MCU control module. Referring to fig. 3c, the input terminal of the third DC-DC converting circuit is connected to the output terminal of the second DC-DC converting circuit, and the third DC-DC converting circuit is used to convert the voltage of 3.3V into the voltage of 1.1V for the AVDDL terminal of the switch processing module. In this embodiment, the first DC-DC conversion circuit is implemented by using a voltage conversion chip U3 with a model of MP6002 and a peripheral circuit, the second DC-DC conversion circuit is implemented by using a voltage conversion chip U2 with a model of MP9457 and a peripheral circuit, and the third DC-DC conversion circuit is implemented by using a voltage conversion chip U18 with a model of MP1605 and a peripheral circuit.
Referring to fig. 4a and 4b, in the present embodiment, the PoE input port includes a network port module PJ1 and a network transformer T1. Data enters the switch processing module through the network transformer T1 to exchange port data with the PoE output port, and 54V input is PoE output to the PD equipment at the later stage through the network transformer of the PoE output port by the PSE module. The circuit structure of the PoE output port is basically the same as that of the PoE input port, a plurality of PoE output ports are arranged in the embodiment, a plurality of PD devices can be connected in an extensible manner, and after the PD devices are input and detected by the PSE module and handshake is carried out, voltages of all levels appear. The display module is connected with the switch processing module and the MCU control module respectively to display the running state, and the display module adopts an LED lamp and can also adopt other display devices.
The model of the switch processing module in this embodiment is RTL8367N-VBQFN88, and data exchange of the switch processing module is realized. Of course, other switch processing modules may be used in the present application.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. An intelligent PoE repeater, comprising:
the PoE input port is used for connecting a front-stage PoE device through a network cable;
the data end of the PoE input port is connected with the input end of the switch processing module;
the power supply end of the PoE input port is connected with the input end of the PD module;
the output end of the PD module is connected with the input end of the power supply module;
the output end of the power supply module is connected with the input end of the PSE module;
the output end of the PSE module is connected with the power end of the PoE output port, and the output end of the switch processing module is connected with the data end of the PoE output port;
the MCU control module is in communication connection with the switch processing module, and is connected with a control end of the PSE module to close the PSE module when PoE-free data output is achieved.
2. The intelligent PoE repeater according to claim 1, wherein: the PD module comprises a rectifying circuit, a detection circuit and a PD chip; the input end of the rectifying circuit is connected with the power end of the PoE input port, the output end of the rectifying circuit is connected with the input end of the PD chip, the output end of the PD chip is connected with the input end of the power module, and the detection circuit is arranged between the rectifying circuit and the PD chip and used for enabling front-stage PoE equipment to detect power of the PD module.
3. The intelligent PoE repeater as recited in claim 2, wherein: the model of the PD chip is MP8003A.
4. The intelligent PoE repeater as recited in claim 1, wherein: the power module comprises a first DC-DC conversion circuit, a second DC-DC conversion circuit and a third DC-DC conversion circuit, wherein the input end of the first DC-DC conversion circuit is connected with the output end of the PD module, and the output end of the first DC-DC conversion circuit is used for outputting a 12V low-voltage working power supply; the input end of the second DC-DC conversion circuit is connected with the output end of the PD module, and the output end of the second DC-DC conversion circuit is used for outputting a 3.3V low-voltage working power supply; the input end of the third DC-DC conversion circuit is connected with the output end of the second DC-DC conversion circuit, and the output end of the third DC-DC conversion circuit is used for outputting a 1.1V low-voltage working power supply.
5. The intelligent PoE repeater as recited in claim 1, wherein: the power supply system further comprises a DC interface module, and a power supply end of the DC interface module is connected with an output end of the power supply module.
6. The intelligent PoE repeater according to claim 5, wherein: and the MCU control module is connected with the control end of the power supply module and is used for cutting off the power supply of the DC interface module when the load is full.
7. The intelligent PoE repeater as recited in claim 1, wherein: the display module is respectively connected with the switch processing module and the MCU control module and used for displaying the running state.
8. The intelligent PoE repeater as recited in claim 1, wherein: the type of the switch processing module is RTL8367N-VBQFN88.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222217200.5U CN218240706U (en) | 2022-08-22 | 2022-08-22 | Intelligent PoE repeater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222217200.5U CN218240706U (en) | 2022-08-22 | 2022-08-22 | Intelligent PoE repeater |
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| CN218240706U true CN218240706U (en) | 2023-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566925A (en) * | 2023-07-07 | 2023-08-08 | 西安羚控电子科技有限公司 | Unmanned aerial vehicle power supply switch |
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- 2022-08-22 CN CN202222217200.5U patent/CN218240706U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566925A (en) * | 2023-07-07 | 2023-08-08 | 西安羚控电子科技有限公司 | Unmanned aerial vehicle power supply switch |
| CN116566925B (en) * | 2023-07-07 | 2023-10-17 | 西安羚控电子科技有限公司 | Unmanned aerial vehicle power supply switch |
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