CN201243281Y - Powerline Network Devices - Google Patents

Abstract

The utility model discloses a power line network device, which includes at least one network socket, the network socket is connected to a network device; a power line network circuit, the power line network circuit connects a power line and the network socket, the power line network circuit receives and sends a network signal through the power line or the network socket; a power supply circuit, the power supply circuit connects the power line and the network socket, the power supply circuit converts an AC voltage source on the power line into a power supply to supply power to the network device. The power line network device of the utility model does not need to be connected to an external power supply line, and directly uses a connecting line to provide network communication and power supply to the network device at the same time. Thereby, not only the number of connecting lines set is reduced, the application cost is reduced, but also the occupation of a power socket is reduced, and the convenience of use is increased.

Description

Powerline Network Devices

technical field

The utility model relates to a network device, in particular to a power line network device.

Background technique

In recent years, with the continuous improvement of broadband technology, the ways of broadband Internet access have become more and more diverse, such as: ADSL, Cable-Modern, power line Internet (Power Line Communication, PLC), etc. Therefore, network users can use various methods to Connect to the Internet to achieve the purpose of broadband Internet access.

Among them, power line access (PLC) is a technology that utilizes home power line access to the Internet. Its advantages include no need for rewiring, wide coverage, convenient connection, and high transmission rate. Moreover, network users only need to plug the power line network device into the power socket at home, and they can directly access the Internet through the power line. In this way, there is no need to add additional network lines to avoid the cost of wiring, and it has the feature of plug and play to increase the convenience of network use.

Please refer to FIG. 1 , the power line network device 100 is plugged into a power socket 11 , and the power socket 11 can be set on a power line in a house. The network device 15 is connected to the power line network device 100 through a first connection line 101, and the first connection line 101 can be a signal transmission line, so that the network device 15 can perform network communication through the indoor power line.

In addition, the network device 15 is also connected to an adapter 13 through a second connection line 131, and the second connection line 131 can be a power line, and the adapter 13 is plugged into another power socket 11, To provide the working power required by the network device 15 .

The conventional power line network device 100 only provides the network communication function of the network device 15 , and the network device 15 must be powered by the adapter 13 to obtain the required working power.

In this way, the conventional power line network device 100 will not only increase the setting of external lines, but also occupy a power socket 11. If the power socket 11 reserved in the home is limited, it will cause a dilemma in the use of the power socket 11.

Utility model content

The purpose of the utility model is to provide a power line network device, the power line network device can not only provide network communication functions for network equipment, but also can supply power to network equipment without adding external power supply lines, Increased convenience in use.

In order to achieve the above object, the utility model adopts the following technical solutions:

A power line network device, characterized in that it comprises:

At least one network socket connected to a network device;

A power line network circuit, the power line network circuit is connected to a power line and the network socket, and the power line network circuit transmits and receives a network signal through the power line or the network socket;

A power supply circuit, the power supply circuit is connected to the power line and the network socket, and the power supply circuit converts an AC voltage source on the power line into a power supply to supply power to the network equipment.

The utility model has the advantages of:

The power line network device of the utility model does not need to be additionally connected to an external power supply line (adapter and connection line in conventional technology), and directly uses a connection line to simultaneously provide network communication and supply power to network equipment. In this way, not only the number of connecting wires is reduced, which reduces the application cost, but also reduces the occupation of a power socket, increasing the convenience of use.

Description of drawings

FIG. 1 is a schematic diagram of the application connection of a conventional power line network device;

Fig. 2 is a circuit block diagram of a preferred embodiment of the utility model power line network device;

FIG. 3 is a schematic diagram of the application connection of the power line network device of the present invention.

Detailed ways

Please refer to FIG. 2 , the power line network device 200 includes at least one network socket 60 , a power line network circuit 30 and a power supply circuit 50 .

Wherein, the network socket 60 is externally connected to a network device 300 through a connection line 201, the network socket 60 is an RJ45, and the network device 300 can be a router, a network phone, a computer or a Any of the electronic products with communication function.

The power line network circuit 30 is connected between a power line 21 and the network socket 60, and transmits and receives the network signal 213 through the power line 21, or transmits and receives the network signal 213 transmitted by the network device 300 through the network socket 60. The road device 300 provides the function of network communication. In addition, the power line 21 is an AC power line, and the network signal 213 transmitted by the power line 21 will be carried on an AC voltage source 211 .

The power supply circuit 50 is also connected between the power line 21 and the network socket 60 , it can convert the AC voltage source 211 on the power line 21 into a power supply voltage, and transmit the power supply voltage to the network device 300 through the network socket 60 , so as to provide operating power for the network device 300 .

Moreover, the power line network circuit 30 includes a data transformer 31 , a microprocessor 35 , an Ethernet physical layer unit 37 and an Ethernet transformer 39 . The data transformer 31 is connected to the power line 21 for taking out the network signal 213 from the AC voltage source 211 or loading the network signal 213 into the AC voltage source 211 . In addition, the data transformer 31 has an electrical isolation function, which is used to isolate the AC voltage source 211 (for example: AC110/220V) on the high-voltage side and the power line network device 200 on the low-voltage side, so as to avoid damage or damage to the power line network device 200 caused by high-voltage electricity. affect the communication quality of the network.

The microprocessor 35 is connected to the data transformer 31 for calculating and processing the network signal 213 and converting the network signal 213 in format. If the network device 300 receives the network signal 213 from the power line 21, the microprocessor 35 will convert the network signal 213 from analog to digital format. Processor 35 converts network signal 213 from digital to analog format.

The Ethernet physical layer unit 37 is connected to the microprocessor 35 for sending and receiving the network signal 213, and performs protocol processing on the network signal 213, so that the network signal 213 complies with the Open System Interconnection (OSI) ) communication protocol provisions.

The Ethernet transformer 39 is connected to the Ethernet physical layer unit 37 and the network socket 60 for transmitting the network signal 213 sent by the Ethernet physical layer unit 37 and the network device 300 . Moreover, the Ethernet transformer 39 also has an electrical isolation function, which isolates the electrical interference generated by the Ethernet physical layer unit 37, such as electromagnetic interference (EMI), so as to avoid the network received by the network device 300 from being caused by electrical interference. Road signal 213 generated an error.

The power line network circuit 30 of the present utility model can also include a signal processor 33, the signal processor 33 is connected between the microprocessor 35 and the data transformer 31. The network signal 213 is filtered to filter the noise in the network signal 213, or the network signal 213 transmitted by the network device 300 is amplified to avoid signal attenuation of the network signal 213 during the transmission of the power line 21 situation.

Moreover, the power supply circuit 50 includes an AC-DC converter 51 and an Ethernet power supply unit 53 . The AC-DC converter 51 receives the AC voltage source 211 for converting and outputting a DC voltage. The Ethernet power supply unit 53 is connected to the AC-DC converter 51 for receiving the DC voltage converted by the AC-DC converter 51 . The DC voltage will be used as the working voltage of the Ethernet power supply unit 53, so that the Ethernet power supply unit 53 generates a power supply, and the power supply is a DC power supply, such as DC 48V.

Moreover, the power over Ethernet unit 53 is a power supply unit of a standard protocol of Power over Ethernet (PoE), such as the standard protocol of IEEE802.3af. The Ethernet power supply unit 53 will actively detect whether the network device 300 complies with the PoE standard. If the network device 300 conforms to the PoE standard, the power line network device 200 will provide network communication functions and supply power to the network device 300 at the same time, otherwise, if the network device 300 does not meet the PoE standard, the power line network device 200 will only provide Network communication function.

Please refer to FIG. 3 , the power line network device 200 can be plugged into the power socket 11 through a power plug or a combination of a power cord and a plug, so as to connect to the indoor power line 21 . The network device 300 is connected to the power line network device 200 through the connection line 201, and the connection line 201 can be used as a connection line for network and power transmission. The power supply of the network device 300 .

In this way, the power line network device 200 of the present invention does not need to be additionally connected to an external power supply line (the adapter 13 and the connection line 131 in conventional technology), and can directly use the network communication connection line 201 to supply power to the network device 300 at the same time. In this way, it not only reduces the application cost, but also reduces the occupation of a power socket 11, increasing the convenience of use.

The above are the preferred embodiments of the utility model and the technical principles used therefor. For those skilled in the art, without departing from the spirit and scope of the utility model, any technical solution based on the utility model Obvious changes such as basic equivalent transformations and simple replacements all fall within the protection scope of the present utility model.

Claims (10)

1. electric line network device, it is characterized in that: it comprises:

At least one Network socket, this Network socket is connected with a network equipment;

One electric line network circuit, this electric line network circuit connect a power line and this Network socket, and this electric line network circuit is received and dispatched a networking signal by this power line or this Network socket;

One power supply circuit, this power supply circuit connect this power line and this Network socket, and this power supply circuit is converted to a power supply with the alternating-current voltage source on this power line, so that this network equipment is powered.

2. electric line network device as claimed in claim 1 is characterized in that: described power line is arranged under the supply socket, and described electric line network device is plugged in this supply socket, to be used to connect described power line.

3. electric line network device as claimed in claim 1 is characterized in that: described electric line network circuit comprises:

One data transformer, this data transformer connects described power line, takes out this networking signal from described alternating-current voltage source and maybe this networking signal is written into the described alternating-current voltage source;

One microprocessor, this microprocessor connect this data transformer, and this this isdn data of microprocessor calculation process also is converted to this isdn data digital format or is converted to the analogy form from numerical digit from analogy;

One Etherloop physical layer unit, this Etherloop physical layer unit connects this microprocessor, in order to receive and dispatch this networking signal;

One Etherloop transformer, this Etherloop transformer connects this Etherloop physical layer unit and described Network socket, in order to transmit this networking signal that this Etherloop physical layer unit and described network equipment are sent.

4. electric line network device as claimed in claim 3, it is characterized in that: described electric line network circuit comprises a signal processor, described microprocessor connects described data transformer by this signal processor, and this signal processor is in order to filtering and amplify this networking signal.

5. electric line network device as claimed in claim 1 is characterized in that: described power supply circuit comprises:

One AC/DC changeover switch, this AC/DC changeover switch receives described alternating-current voltage source, in order to be converted to a direct current voltage;

One Etherloop power supply unit, this Etherloop power supply unit connects this AC/DC changeover switch, in order to produce this power supply.

6. electric line network device as claimed in claim 5 is characterized in that: described Etherloop power supply unit and described network equipment all meet Etherloop supply standard agreement, and described Etherloop power supply unit provides power supply to described network equipment.

7. electric line network device as claimed in claim 5 is characterized in that: described Etherloop power supply unit is detected the connection status of described network equipment and described Network socket.

8. electric line network device as claimed in claim 1 is characterized in that: described power supply is a direct current power supply.

9. electric line network device as claimed in claim 1 is characterized in that: described Network socket is a RJ45.

10. electric line network device as claimed in claim 1 is characterized in that: described network equipment is that a router, a network telephone, a computer or have any in the electronic product of network communication function.

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