TWM530496U - Network power supply device and system - Google Patents

Description

Network power supply device and system

The present invention relates to a network device and system, and more particularly to a network power supply device and system for Ethernet power supply.

Power over Ethernet (PoE) means that under the existing Ethernet architecture, a power supply device (such as a network switch) can transmit power and network through a network transmission line (such as an RJ45 transmission line). The road data is connected to a powered device (such as a wireless router, a network camera or a network phone), so that the power receiving device can be operated without additionally connecting the power plug or the battery, which is quite convenient.

In the existing architecture of the power supply device, the power and network data are transmitted simultaneously through a set of network transformers. However, the functions of the power receiving equipment are increasing, and the power required is gradually increasing. The old network transformers are gradually unable to withstand the power required by the existing power receiving equipment. If the core volume of the network transformer is simply increased and the diameter of the copper wire wound on the iron core is increased at the same time to increase the transmission power of the network transformer, the volume and weight of the network transformer are greatly increased, resulting in the power supply end. It is difficult to limit the size and weight of equipment and power receiving equipment, especially in the era of small size and light weight of electronic products, which will cause design troubles.

Therefore, the object of the present invention is to provide a network power supply device capable of reducing volume and weight and transmitting power.

Therefore, another object of the present invention is to provide a network power supply system capable of reducing volume and weight and transmitting power.

Therefore, the novel network power supply device is adapted to be installed in a power supply terminal device, and a DC power is loaded into a network signal to generate a power network signal, or is set on a power receiving device, and a power network signal is provided. The DC power is generated to generate the network signal, and the network power supply device includes two connection modules.

Each of the connection modules includes two isolation capacitors for DC isolation, and a power transformer connected between the isolation capacitors for transmitting the network signal and performing the power network signal DC isolation. When the network power supply device is disposed on the power supply terminal device, the power transformer can combine the DC power with the network signal to generate the power network signal; when the network power supply device is disposed on the power receiving device, The power transformer can extract the DC power of the power network signal.

Therefore, the novel network power supply system is applicable to a power supply end device and a power receiving end device, and the network power supply system includes two of the network power supply devices. One of the network power supply devices is disposed on the power supply end device, and the other of the network power supply devices is disposed on the power receiving end device.

The effect of the novel is that DC isolation through the isolation capacitors and additional connection of the power transformers to transmit power can not only reduce the size and weight of the entire network power supply system, but also achieve the function of network power supply, practical.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the network power supply system is applicable to a power source device (PSE) and a power device (PD). The power supply terminal device 800 includes a network generation device 801 that generates a network signal, and a power supply device 802 that can output a DC power. The power receiving end device 900 includes a network receiving device 901 and a power capturing device 902. In an implementation, the power supply device 800 can be a network switch, and the power receiving device 900 can be a wireless router, a network camera, or a network phone, but the implementation is not limited to the above. In addition, the power supply end device 800 and the power receiving end device 900 can be connected by an RJ45 network route (not shown).

The network power supply system includes two network power supply devices 1, 2 respectively disposed on the power supply end device 800 and the power receiving end device 900. The network power supply device 1 disposed on the power supply device 800 can load the DC power generated by the power supply device 802 into the network signal to generate a power network signal; and provide network power supply to the power receiving device 900. The device 2 can extract the DC power of the power network signal to generate the network signal.

First, the network power supply device 1 includes a housing module 11 and two connection modules 12, 12' disposed in the housing module 11.

The housing module 11 includes a housing 111, a housing 112 defined by the housing 111, and a circuit board 113 disposed on the housing 112. The plurality of housings 111 extend through the housing 111 and The circuit board 113 and the outwardly extending pins 114 and a socket 115 that is exposed to the housing 111. The pins 114 can be used to secure the circuit board 113 to the housing 111. The pins 114 and the sockets 115 are electrically connected to the circuit board 113 through wires.

The connection modules 12, 12' are mounted on the circuit board 113 (only one of the connection modules 12 is shown in FIG. 3, and the other connection module 12' is located at the rear and is shielded), and each connection module 12, 12 'Includes two isolation capacitors 121 for DC isolation, and a power transformer 122 that is connected across the isolation capacitors 121. Each of the isolation capacitors 121 has a first connector 123 electrically connected to the network generating device 801, and a second connector 124 coupled to the first connector 123. The isolation capacitors 121 are used to transmit the network signal. The DC component of the power network signal is isolated by mutual coupling between the first connector 123 and the second connector 124. The size of the isolation capacitor 121 is approximately 100 nF ± 10%, but is not limited thereto.

The power transformer 122 is connected to the second connector 124 of the isolating capacitor 121, and the DC power generated by the power supply device 802 can be combined with the network signal to change the DC bias of the network signal to generate the The power network signal 122 is an autotransformer, but the implementation is not limited to the above, as long as it is composed of a core and a coil.

In this embodiment, one of the connection modules 12 represents a Transmitter Circuit, and the other connection module 12' represents a Receiver Circuit.

First, the connection module 12 representing the transmitting circuit is described. The isolated capacitors 121 of the connection module 12 receive and transmit the network signals generated by the network generating device 801. The power transformer 122 of the connection module 12 combines the DC power generated by the power supply device 802 with the network signal to change the DC bias of the network signal to generate a transmission to the power receiving device 900. The power network signal is used, and the coupling of the first connector 123 and the second connector 124 of the isolation capacitor 121 can DC isolate the network signal from the power network signal.

The connection module 12 ′ representing the receiving circuit is configured to receive the power network signal returned by the power receiving device 900 , and the power transformer 122 of the connection module 12 ′ is configured to receive the power network signal returned by the power receiving device 900 . In order to form a power circuit. The isolation capacitors 121 receive the power network signal through the second connector 124 and isolate the DC component of the power network signal, and send the network signal back to the network generation device 801 through the first connector 123 to form a Signal loop.

Next, the network power supply device 2 is further illustrated. The network power supply device 2 also includes a housing module (not shown) and two connection modules 22, 22' disposed in the housing module 11.

The housing module 11 has the same structure as the housing module 11 of the network power supply device 1 (see FIG. 1), and therefore will not be described herein. Of course, the housing module can also be powered by the network. The configuration of the housing module 11 of the device 1 is different, and is not limited to this embodiment.

The connection modules 22, 22' are mounted on the circuit board of the housing module, corresponding to the positions of the connection modules 12, 12' of the network power supply device 1, each connection module 22, 22' A power transformer 222 and two isolation capacitors 221 are included. The power transformer 222 can extract the DC power of the power network signal transmitted by the power supply terminal device 800, and output the extracted DC power to the power extraction device 902. The power transformer 222 is an autotransformer, but is implemented. The time is not limited to the above, as long as it is composed of a core and a coil.

Each of the isolation capacitors 221 has a first terminal 223 electrically connected to the network receiving device 901, and a second connector 224 coupled to the first connector 223. The power transformer 222 is connected across the second joint 224 of the isolating capacitor 221. The isolation capacitor 221 is configured to transmit the network signal and isolate the DC component of the power network signal through mutual coupling between the first connector 223 and the second connector 224. When implemented, the size of the isolation capacitor 221 is approximately It is 100nF±10%, but not limited to the above.

In this embodiment, one of the connection modules 22 represents a receiving circuit, and the other connection module 22' represents a transmitting circuit. First, the connection module 22 representing the receiving circuit is configured to receive the power network signal transmitted by the power supply terminal device 800. The power transformer 222 of the connection module 22 is configured to receive the power transmission device 290. The power network signal is extracted from the DC power of the power network signal transmitted by the power supply device 800, and the extracted DC power is output to the power extraction device 902. The isolation capacitors 221 receive the power network signal through the second connector 224, isolate the DC component of the power network signal, and send the network signal to the network receiving device 901 through the first connector 223.

Next, the connection module 22 ′ representing the transmitting circuit is illustrated. The isolation capacitors 221 of the connection module 22 ′ receive the network signal transmitted by the network receiving device 901 through the first connector 223 , and pass through the second The connector 224 is transmitted back to the power supply terminal device 800, and the signal loop circuit is formed with the power supply terminal device 800. The power transformer 222 of the connection module 22' is configured to combine the DC power returned by the power extraction device 902 with the network signal and transmit it back to the power supply terminal device 800, and form the power with the power supply terminal device 800. Loop.

When the network power supply system is used, the connection modules 12, 12' of the power supply device 800 can combine the network signal generated by the network generation device 801 with the DC power generated by the power supply device 802. The power network signal is generated and transmitted to the power receiving end device 900. The connection modules 22, 22' of the power receiving end device 900 can extract the DC power from the power network signal transmitted by the power supply terminal device 800 and transmit the DC power to the power extraction device 902. In this way, when the user installs the power receiving device 900, the user does not have to connect the power source or the battery to operate smoothly.

It is worth mentioning that if the power required by the power receiving device 900 increases, for example, the power receiving device 900 is a wireless router and needs to increase the wireless transmitting power, in the present invention, only the power transformers 122 and 222 are required to be upgraded. The specification of the capacity to deliver greater DC power provides the power required by the powered device 900, which is quite convenient.

Since the present invention performs DC isolation through the isolation capacitors 121 and 221, and the isolation capacitors 121 and 221 have the advantages of small size and light weight, the present invention can reduce the volume 112, thereby reducing the housing mode. The size of the group 11 is thereby reducing the overall volume and weight of the network power supply devices 1, 2 and the network power supply system to increase the competitiveness of the novel product.

It should be noted that when the network power supply system is subjected to an electric shock, a large surge is generated, and the isolation capacitors 121 and 221 are damaged, so that each connection module 12, 12', 22 can be implemented. 22' Set a filter element that filters the glitch to prevent the isolated capacitors 121, 221 from being damaged by the passage of the glitch.

In summary, the novel network power supply system performs DC isolation through the isolation capacitors 121 and 221, and additionally connects the power transformers 122 and 222 to reduce the volume and weight of the entire network power supply system. The function of the network power supply can also be maintained, so that the power receiving end device 900 can achieve the required power in a small size and light weight, so as to meet the demand for small size and light weight of the design of the electronic product. The competitiveness of the novel product is increased. In addition, reducing the volume of the casing module 11 can also reduce the material required for the manufacture of the casing module 11 to reduce the manufacturing cost, so that the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧Network power supply unit
11‧‧‧Shell module
111‧‧‧Shell
112‧‧ ‧ room
113‧‧‧ boards
114‧‧‧ pins
115‧‧‧ Seating
12‧‧‧Connecting module
12'‧‧‧Connecting Module
121‧‧‧Isolation capacitor
122‧‧‧Power Transformer
123‧‧‧First joint
124‧‧‧second joint
2‧‧‧Network power supply
22‧‧‧Connecting module
22'‧‧‧Connecting Module
221‧‧‧Isolation capacitor
222‧‧‧Power Transformer
223‧‧‧First joint
224‧‧‧second joint
800‧‧‧Power supply equipment
801‧‧‧Network generation device
802‧‧‧Power supply unit
900‧‧‧Receiving equipment
901‧‧‧Network receiving device
902‧‧‧Power extraction device

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a cross-sectional view showing an embodiment of the novel network power supply system; Figure 2 is a functional block The figure illustrates the system architecture of the embodiment; and FIG. 3 is a circuit diagram illustrating the circuit architecture of the two network power supply devices of the embodiment.

1‧‧‧Network power supply unit

12‧‧‧Connecting module

12'‧‧‧Connecting Module

121‧‧‧Isolation capacitor

122‧‧‧Power Transformer

123‧‧‧First joint

124‧‧‧second joint

2‧‧‧Network power supply

22‧‧‧Connecting module

22'‧‧‧Connecting Module

221‧‧‧Isolation capacitor

222‧‧‧Power Transformer

223‧‧‧First joint

224‧‧‧second joint

Claims (7)

A network power supply device for setting a power supply device, and loading a DC power into a network signal to generate a power network signal, or setting a DC power to a power receiving device and a power network signal The network signal is generated by the pop-up. The network power supply device comprises: two connection modules, each connection module includes two isolation capacitors for DC isolation, and a bridge across the isolation capacitors. a power transformer, wherein the isolation capacitor is configured to transmit the network signal and perform DC isolation on the power network signal; when the network power supply device is disposed on the power supply terminal device, the power transformer can connect the DC power to the network The power signal is combined to generate the power network signal; when the network power supply device is disposed on the power receiving device, the power transformer can extract the DC power of the power network signal. The network power supply device of claim 1, wherein the power supply terminal device comprises a network generating device capable of generating the network signal, wherein each of the isolation capacitors has a first connector, and a coupling to the first connector a second connector, each of the power transformers of the connection module is connected to the second connector of the isolation capacitor of the connection module, and each connection module is provided when the network power supply device is disposed on the power supply device The first connector of the isolation capacitors is electrically coupled to the network generating device. The network power supply device of claim 2, wherein the power supply terminal device further comprises a power supply device capable of generating the DC power, and when the network power supply device is disposed at the power supply terminal device, the power transformer may The DC power generated by the power supply device is combined with the network signal to change the DC bias of the network signal to generate the power network signal. The network power supply device of claim 1, wherein the power receiving end device comprises a network receiving device, wherein each of the isolation capacitors has a first connector, and a second connector coupled to the first connector, each a power transformer of the connection module is connected to the second connector of the isolation capacitor of the connection module, and the isolation capacitor of each connection module is disposed when the network power supply device is disposed on the power receiving device A connector is electrically connected to the network receiving device. The network power supply device of claim 4, wherein the power receiving device further comprises a power extraction device, wherein the power transformer can capture the power network when the network power supply device is disposed on the power receiving device The DC power of the signal is output to the power extraction device. The network power supply device of any one of claims 1 to 5, wherein each of the power transformers is an autotransformer. A network power supply system, which is applicable to a power supply end device and a power receiving end device, the network power supply system comprising: two network power supply devices according to any one of claims 1 to 6, the network One of the power supply devices is disposed at the power supply end device, and the other of the network power supply devices is disposed at the power receiving end device.