CN205377897U - Network power supply device and system - Google Patents
Network power supply device and system Download PDFInfo
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- CN205377897U CN205377897U CN201620114603.9U CN201620114603U CN205377897U CN 205377897 U CN205377897 U CN 205377897U CN 201620114603 U CN201620114603 U CN 201620114603U CN 205377897 U CN205377897 U CN 205377897U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a network power supply device and system, network power supply device are applicable to the setting at feeder ear equipment to be written into dc power the network signal and produce the power network signal, or set up at receiving end equipment, and with the dc power lade of power network signal and produce the network signal. The network power supply device contains two linking module. Each linking module includes two isolation electric capacity that are used for the transmission network signal and keep apart the direct current, and a cross -over connection is in keeping apart the power transformer between electric capacity. Keep apart the direct current through keeping apart electric capacity, and extra the connection power transformer transmits electric power, can not only reduce the volume and the weight of network power supply device, also can reach network power supply 's function.
Description
Technical field
This utility model relates to a kind of network equipment and system, particularly relates to a kind of network power supply Apparatus and system powered for Ethernet.
Background technology
Ethernet is powered (PoweroverEthernet, PoE) refer to, under existing Ethernet framework, feeder ear equipment (such as the network switch) can pass through a Network transmission line (such as RJ45 transmission line), transmission electric power and network data to a receiving end equipment (such as wireless router, network camera or the networking telephone) simultaneously, whereby, receiving end equipment need not still further electric connection of power supply plug or battery can operate, quite convenient.
In the framework of existing feeder ear equipment, transmit electric power and network data mainly by a group network transformator simultaneously.But the function of receiving end equipment gets more and more at present, and its required power is also gradually increased, and old network transformer cannot bear the power needed for existing receiving end equipment gradually.If increasing merely the core volume of this network transformer, and increase the copper wire diameter being wrapped on this iron core simultaneously, improve the through-put power of network transformer, volume and the weight of network transformer can be rolled up on the contrary, cause that feeder ear equipment and receiving end equipment are difficult to limit volume and weight, particularly in now electronic product all being said that cube is little and lightweight epoch, the puzzlement in design more can be caused.
Summary of the invention
The purpose of this utility model is in that providing a kind of can reduce volume and weight the network power supply device that can transmit electric power.
Network power supply device of the present utility model, it is applicable to be arranged on a feeder ear equipment, and a direct current power is loaded into a network signal and produces an electric power networks signal, or it is arranged on a receiving end equipment, and the direct current power of an electric power networks signal is drained out and produces this network signal, this network power supply device comprises two link blocks.Each link block includes two isolation capacitances for carrying out DC-isolation, and a power transformer being connected across between described isolation capacitance, described isolation capacitance is used for transmitting this network signal and this electric power networks signal being carried out DC-isolation, when this network power supply device is arranged at this feeder ear equipment, this direct current power can be combined with this network signal and produce this electric power networks signal by described power transformer；When this network power supply device is arranged at this receiving end equipment, the direct current power of this electric power networks signal can be drained out by described power transformer.
Network power supply device described in the utility model, this feeder ear equipment comprises a network generator that can produce this network signal, each isolation capacitance has first joint, and second joint coupled with this first joint, the power transformer of each link block is connected across the second joint of the described isolation capacitance of described link block, when this network power supply device is arranged on this feeder ear equipment, the first joint of the described isolation capacitance of each link block electrically connects this network generator.
Network power supply device described in the utility model, this feeder ear equipment also comprises an electric power supply apparatus that can produce this direct current power, when this network power supply device is arranged on this feeder ear equipment, direct current power produced by this electric power supply apparatus can be combined by described power transformer with this network signal, produces this electric power networks signal to change the Dc bias of this network signal.
Network power supply device described in the utility model, this receiving end equipment comprises a network and receives device, each isolation capacitance has first joint, and second joint coupled with this first joint, the power transformer of each link block is connected across the second joint of the described isolation capacitance of described link block, when this network power supply device is arranged on this receiving end equipment, the first joint of the described isolation capacitance of each link block electrically connects this network and receives device.
Network power supply device described in the utility model, this receiving end equipment also comprises an electric power capture device, when this network power supply device is arranged on this receiving end equipment, described power transformer can capture the direct current power of this electric power networks signal, and exports the direct current power captured to this electric power capture device.
Network power supply device described in the utility model, each power transformer is an autotransformer.
Another object of the present utility model is in that providing a kind of can reduce volume and weight the network power supply system that can transmit electric power.
Network power supply system of the present utility model, it is adaptable to be arranged on a feeder ear equipment and a receiving end equipment, this network power supply system comprises two described network power supply devices.One of them of described network power supply device is arranged at this feeder ear equipment, and the other in which of described network power supply device is arranged at this receiving end equipment.
The beneficial effects of the utility model are in that: carry out DC-isolation by described isolation capacitance, and additionally connect described power transformer to transmit electric power, volume and the weight of whole network power supply system can not only be reduced, also can reach the function of network power supply, quite practical.
Accompanying drawing explanation
Of the present utility model other feature and effect, clearly will present in reference to graphic embodiment, wherein:
Fig. 1 is a cross-sectional schematic, and an embodiment of this utility model network power supply system is described；
Fig. 2 is a functional block diagram, and the system architecture of this embodiment is described；
Fig. 3 is an electric network schematic diagram, and the circuit framework of two network power supply devices of this embodiment is described.
Detailed description of the invention
Consult Fig. 1, Fig. 2 and Fig. 3, an embodiment of this utility model network power supply system, it is adaptable to be arranged on a feeder ear equipment 800 (PowerSourceEquipment, PSE) and a receiving end equipment 900 (PowerDevice, PD).This feeder ear equipment 800 includes a network generator 801 that can produce a network signal and an electric power supply apparatus 802 that can export a direct current power.This receiving end equipment 900 includes a network and receives device 901 and an electric power capture device 902.On the implementation, this feeder ear equipment 800 can be a network switch, and this receiving end equipment 900 can be wireless router, network camera or the networking telephone etc., but is not limited with above-mentioned when implementing.It addition, can be electrically connected by a RJ45 grid line (not shown) between this feeder ear equipment 800 with this receiving end equipment 900.
This network power supply system comprises two network power supply devices 1,2 being respectively arranged at this feeder ear equipment 800 and this receiving end equipment 900.This electric power supply apparatus 802 this direct current power produced can be loaded into this network signal and produce an electric power networks signal by the network power supply device 1 being arranged at this feeder ear equipment 800；The direct current power of this electric power networks signal can be drained out and produce this network signal by the network power supply device 2 being arranged at this receiving end equipment 900.
First this network power supply device 1 is described, this network power supply device 1 comprises a housing module 11 and two link blocks 12 being arranged in this housing module 11,12'.
This housing module 11 includes 112, circuit board 113 being arranged at this room 112 of room that a shell block 111, is defined by this shell block 111, several are extended through this shell block 111 and this circuit board 113 and outwardly directed pin 114, and setting-in exposes to the joint chair 115 of this shell block 111.Described pin 114 can be used for being fixed on this circuit board 113 this shell block 111.Described pin 114 all electrically connects this circuit board 113 with this joint chair 115 by wire.
Described link block 12,12' are installed on this circuit board 113 and (only show one of them link block 12 in Fig. 1, another link block 12' is located behind and shielded), each link block 12,12' include two isolation capacitances 121 for carrying out DC-isolation and a power transformer 122 being connected across between described isolation capacitance 121.Each isolation capacitance 121 has first joint 123 electrically connecting this network generator 801, and second joint 124 coupled with this first joint 123, described isolation capacitance 121 is used for transmitting this network signal, and isolate the flip-flop of this electric power networks signal by intercoupling between the first joint 123 and the second joint 124, during enforcement, the size of described isolation capacitance 121 is about 100nF ± 10%, but is not limited with above-mentioned.
This power transformer 122 is connected across the second joint 124 of described isolation capacitance 121, direct current power produced by this electric power supply apparatus 802 can be combined with this network signal, this electric power networks signal is produced to change the Dc bias of this network signal, this power transformer 122 is autotransformer, but be not limited with above-mentioned when implementing, as long as it is made up of with coil unshakable in one's determination.
In the present embodiment, one of them link block 12 represents radiating circuit (TransmitterCircuit), and other in which link block 12' represents and receives circuit (ReceiverCircuit).
First illustrating to represent the link block 12 of radiating circuit, the described isolation capacitance 121 of this link block 12 can receive and transmit network signal produced by this network generator 801.Direct current power produced by this electric power supply apparatus 802 can be combined by the power transformer 122 of this link block 12 with this network signal, change the Dc bias of this network signal, to produce an electric power networks signal that can send the use of this receiving end equipment 900 to, and by the first joint 123 of described isolation capacitance 121 and coupling of the second joint 124, this network signal and this electric power networks signal can be carried out DC-isolation.
Represent the link block 12' receiving circuit for receiving the electric power networks signal that this receiving end equipment 900 returns, the power transformer 122 of this link block 12' is for receiving the electric power networks signal that this receiving end equipment 900 returns, so as to forming a power circuit.Described isolation capacitance 121 can receive this electric power networks signal by the second joint 124, and the flip-flop of this electric power networks signal is isolated, and sends network signal back to this network generator 801 by the first joint 123, so as to forming a signal loop.
This network power supply device 2 is then described, this network power supply device 2 comprises a housing module (not shown) and two link blocks being arranged in this housing module 22,22' equally.
This housing module identical with the structure of the housing module 11 of this network power supply device 1 (see Fig. 1), so not repeating them here, certainly, on implementing, this housing module also can differ with the structure of the housing module 11 of this network power supply device 1, is not limited with the present embodiment.
Described link block 22,22' are installed on the circuit board of this housing module, are equivalent to the position of the described link block 12 of this network power supply device 1,12', and each link block 22,22' include a power transformer 222 and two isolation capacitances 221.This power transformer 222 can capture the direct current power of the electric power networks signal that this feeder ear equipment 800 transmits, and the direct current power captured is exported to this electric power capture device 902, this power transformer 222 is autotransformer, but be not limited with above-mentioned when implementing, as long as it is made up of with coil unshakable in one's determination.
Each isolation capacitance 221 has an electrical connection network and receives the first joint 223 of device 901 and second joint 224 coupled with this first joint 223.Second joint 224 span of described isolation capacitance 221 is connected to this power transformer 222.Described isolation capacitance 221 is used for transmitting this network signal, and isolate the flip-flop of this electric power networks signal by intercoupling between the first joint 223 and the second joint 224, during enforcement, the size of described isolation capacitance 221 is about 100nF ± 10%, but is not limited with above-mentioned.
In the present embodiment, one of them link block 22 represents and receives circuit, and other in which link block 22' represents radiating circuit.First illustrate to represent the link block 22 receiving circuit, this link block 22 is for receiving the electric power networks signal that this feeder ear equipment 800 transmits, the power transformer 222 of this link block 22 is for receiving this electric power networks signal that this feeder ear equipment 800 transmits, and capture the direct current power of the electric power networks signal that this feeder ear equipment 800 transmits, and by the direct current power output that captures to this electric power capture device 902.Described isolation capacitance 221 can receive this electric power networks signal by the second joint 224, and the flip-flop of this electric power networks signal is isolated, and by the first joint 223, network signal is delivered to this network and receive device 901.
Next illustrate to represent the link block 22' of radiating circuit, the described isolation capacitance 221 of this link block 22' can receive this network by the first joint 223 and receive the network signal that device 901 transmits, and send back this feeder ear equipment 800 via the second joint 224, and form this signal loop with this feeder ear equipment 800.The power transformer 222 of this link block 22' is combined with this network signal and sends back this feeder ear equipment 800 for the direct current power returned by this electric power capture device 902, and forms this power circuit with this feeder ear equipment 800.
When this utility model network power supply system uses, network signal produced by this network generator 801 can be combined to produce electric power networks signal by the described link block 12 of this feeder ear equipment 800,12' with direct current power produced by this electric power supply apparatus 802, and is sent to this receiving end equipment 900.The described link block 22 of this receiving end equipment 900,22' can go out this direct current power from the electric power networks signal capturing that this feeder ear equipment 800 transmits, and this direct current power is sent to this electric power capture device 902.Consequently, it is possible to user is when installing this receiving end equipment 900, it is not necessary to still further connect power supply or battery gets final product smooth operation.
It is worth mentioning that, if the power needed for this receiving end equipment 900 increases, such as, this receiving end equipment 900 is a wireless router, and need to increase radio transmitted power, as long as the specification capacity improving described power transformer 122,222 in this utility model transmits bigger direct current power, provide for the power needed for this receiving end equipment 900, quite convenient.
Owing to this utility model is to carry out DC-isolation by described isolation capacitance 121,221, and isolation capacitance 121,221 has, and volume is little and lightweight advantage, this room 112 can be reduced by this utility model, and then reduce the volume size of this housing module 11, reduce overall volume and the weight of described network power supply device 1,2 and this network power supply system whereby, to increase product competitiveness of the present utility model.
It should be noted that, this network power supply system is when getting shocked, often produce huge surging, and cause described isolation capacitance 121,221 to damage, therefore implement upper can in each link block 12,12', 22,22' one filter element that can filter surging is set, avoid described isolation capacitance 121,221 because of surging by and damage.
In sum, this utility model network power supply system, by described isolation capacitance 121, 221 carry out DC-isolation, and additionally connect described power transformer 122, the design of 222, volume and the weight of whole network power supply system can not only be reduced, also the function of network power supply can be maintained, make this receiving end equipment 900 can be issued to required power in the situation of small in volume, to meet, now the design of electronic product being said, cube is little and lightweight demand, increase product competitiveness of the present utility model whereby, in addition, the volume reducing this housing module 11 can also reduce material required when the manufacture of this housing module 11 produces, to reduce manufacturing cost, so the purpose of this utility model really can be reached.
As described above, it is only embodiment of the present utility model, when not limiting, with this, the scope that this utility model is implemented, namely all simple equivalences made according to this utility model claims and description change and modify, and all still belong to scope of the present utility model.
Claims (7)
1. a network power supply device, it is applicable to be arranged on a feeder ear equipment, and a direct current power is loaded into a network signal and produces an electric power networks signal, or it is arranged on a receiving end equipment, and the direct current power of an electric power networks signal is drained out and produces this network signal, this network power supply device comprises: two link blocks, it is characterized in that: each link block includes two isolation capacitances for carrying out DC-isolation, and a power transformer being connected across between described isolation capacitance, described isolation capacitance is used for transmitting this network signal and this electric power networks signal being carried out DC-isolation, when this network power supply device is arranged at this feeder ear equipment, this direct current power can be combined with this network signal and produce this electric power networks signal by described power transformer；When this network power supply device is arranged at this receiving end equipment, the direct current power of this electric power networks signal can be drained out by described power transformer.
2. network power supply device as claimed in claim 1, it is characterized in that: this feeder ear equipment comprises a network generator that can produce this network signal, each isolation capacitance has first joint, and second joint coupled with this first joint, the power transformer of each link block is connected across the second joint of the described isolation capacitance of described link block, when this network power supply device is arranged on this feeder ear equipment, the first joint of the described isolation capacitance of each link block electrically connects this network generator.
3. network power supply device as claimed in claim 2, it is characterized in that: this feeder ear equipment also comprises an electric power supply apparatus that can produce this direct current power, when this network power supply device is arranged on this feeder ear equipment, direct current power produced by this electric power supply apparatus can be combined by described power transformer with this network signal, produces this electric power networks signal to change the Dc bias of this network signal.
4. network power supply device as claimed in claim 1, it is characterized in that: this receiving end equipment comprises a network and receives device, each isolation capacitance has first joint, and second joint coupled with this first joint, the power transformer of each link block is connected across the second joint of the described isolation capacitance of described link block, when this network power supply device is arranged on this receiving end equipment, the first joint of the described isolation capacitance of each link block electrically connects this network and receives device.
5. network power supply device as claimed in claim 4, it is characterized in that: this receiving end equipment also comprises an electric power capture device, when this network power supply device is arranged on this receiving end equipment, described power transformer can capture the direct current power of this electric power networks signal, and exports the direct current power captured to this electric power capture device.
6. the network power supply device as described in any claim in claim 1 to 5, it is characterised in that: each power transformer is an autotransformer.
7. a network power supply system, it is applicable to be arranged on a feeder ear equipment and a receiving end equipment, it is characterized in that: this network power supply system comprises: two network power supply devices as described in any claim in claim 1 to 6, one of them of described network power supply device is arranged at this feeder ear equipment, and the other in which of described network power supply device is arranged at this receiving end equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620114603.9U CN205377897U (en) | 2016-02-04 | 2016-02-04 | Network power supply device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620114603.9U CN205377897U (en) | 2016-02-04 | 2016-02-04 | Network power supply device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205377897U true CN205377897U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620114603.9U Active CN205377897U (en) | 2016-02-04 | 2016-02-04 | Network power supply device and system |
Country Status (1)
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| CN (1) | CN205377897U (en) |
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2016
- 2016-02-04 CN CN201620114603.9U patent/CN205377897U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231117 Address after: 621000 Mianyang High tech Industrial Development Zone Comprehensive Bonded Zone, Mianyang High tech Industrial Development Zone, Sichuan Province Patentee after: MIANYANG PULSE ELECTRONIC CO.,LTD. Address before: 510370 floors 1, 2, 4, block 4, 1-4, block 3, No. 38, North Wai, Zhaocun, Liwan District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU CHENGHAN ELECTRONIC TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |