CN203243343U - Network device possessing power over ethernet (POE) function - Google Patents
Network device possessing power over ethernet (POE) function Download PDFInfo
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- CN203243343U CN203243343U CN 201320223940 CN201320223940U CN203243343U CN 203243343 U CN203243343 U CN 203243343U CN 201320223940 CN201320223940 CN 201320223940 CN 201320223940 U CN201320223940 U CN 201320223940U CN 203243343 U CN203243343 U CN 203243343U
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- pse
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- network equipment
- mainboard
- supplying power
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Abstract
The utility model relates to a power over ethernet system, and discloses a network device possessing a power over ethernet function, for solving the problems that a POE device is huge in volume and is complicated in assembly during the production process. The technical scheme of the utility model is that the network device possessing the power over ethernet function is characterized by comprising a mainboard, N power sourcing equipment (PSE) modules and M device ports, wherein the N PSE modules and the M device ports are connected and are assembled on the mainboard, and each PSE module of the N PSE modules supports K device ports, and wherein the M, N and K are all positive integers, and N=M/K, N>=1. According to the technical scheme, the PSE modules are modularized highly in a manner of using the single PSE module when the number of the device ports is small, and combining the plurality of PSE modules when the number of the device ports is large. According to the utility model, the development amount and the production management complexity are reduced, the development cycle is shortened, and the production efficiency is improved.
Description
Technical field
The utility model relates to the feeder ear equipment (Power Sourcing Equipment is referred to as PSE) based on Ethernet power supply (Power over Ethernet is referred to as POE) system.
Background technology
POE refers in the situation that existing Ethernet Cat.5 wiring architecture does not make any changes, when being some IP-based terminals (such as IP phone machine, wireless local network connecting point AP, web camera etc.) transmission of data signals, kind equipment provides the technology of direct current supply for this reason.The POE technology can guarantee the normal operation of existing network when guaranteeing existing structure wiring safety, reduce to greatest extent cost.Thisly realize that based on the Ethernet electric power system data, electric power transmit at the same physical circuit, the shop that greatly facilitates information network is built.The issue of POE relevant criterion (802.3AF and 802.3AT) is used more general so that this system is safer, reliable.Clear and definite power supply unit (PSE) in the POE system has two kinds of implementations in the standard: the firstth, PSE and data terminal are put together, and be called terminal power supply unit (EndPoint PSE); The second is that PSE is placed in the middle of the link, is called " MidSpan PSE ".
PSE is as power supply unit, and high-power (in the general 100W～1000W), the power consumption of self is also very large in output.The implementation of the EndPoint PSE of prior art all is to realize function of supplying power at PSE buckle of network device internal assembling.Because the power consumption of buckle own is large, so buckle generally is larger whole plate.Adopt contact pin to be connected PSE buckle and mainboard with socket, fix with screw, double-screw bolt again.Will bring so following several problem:
First: the diversity of PSE device port causes the diversity of PSE buckle (whole plate).As for 8POE, 16POE, 24POE and 48POE, be respectively applied to provide 8,16,24 and 48 pipeline equipment ports, terminal equipment (PD) power supply for respective numbers needs 4 sections of PSE buckles that structure is different of exploitation.The exploitation amount is large, and production management is complicated.
Second: PSE mainly is used in router and the switch at present.In two-forty, under the highly integrated development trend, so that the power consumption of FU volume is larger, larger PSE buckle can not satisfy highly integrated requirement.If directly buckle do very little, have again heat dissipation problem.
The 3rd: need contact pin, socket to connect during assembling, screw, double-screw bolt is fixed, and assembly technology is complicated, and production efficiency is low.
The utility model content
Technical problem to be solved in the utility model just provides a kind of network equipment of Ethernet function of supplying power, solves the complicated problem of assembling in the huge and production process of POE equipment volume.
The technical scheme that the utility model solve the technical problem employing is, have the network equipment of Ethernet function of supplying power, it is characterized in that, comprise mainboard, a N PSE module and M pipeline equipment port, described N PSE module is connected with M pipeline equipment port, and is assemblied on the mainboard; Each PSE module in described N PSE module is supported K pipeline equipment port; Wherein, M, N, K are positive integer, and N=M/K, N 〉=1.
Further, in described N the PSE module, it is the PSE primary module that a PSE module is arranged, and all the other PSE modules are that PSE is from module.
Further, described PSE primary module comprises control unit, and described control unit connects each interior PSE chip of place PSE module by the first bus signal line, and the low level of the address wire of each PSE chip is connected respectively to corresponding high and low level; Described control unit utilizes the second bus signal line to be connected to isolating device, is connected with the CPU of mainboard again.
Concrete, the second bus signal line of described PSE primary module is that the universal input output pin GPIO by described control unit simulates the bus signal line identical with the CPU of described mainboard.
Concrete, described PSE connects each PSE chip in the PSE module of place from module by the first bus signal line.
Concrete, described PSE primary module and each described PSE are interconnected by the first bus signal line at mainboard from module.
Concrete, described PSE primary module and PSE are drawn out to outside the module address as module from the high address of the PSE chip of module; On mainboard, described module's address is connected to high and low level.
Further, described N PSE module is vertically fixed on the mainboard.
The module at right angle setting not only is conducive to module heat dissipating, and is also little on the heat radiation impact of mainboard, is particularly suitable for adopting the network equipment of wind-cooling heat dissipating.
Further, described N PSE module arranged in alignment.
N module arrangement is in alignment, cooperates the design of complete machine ventilation and heat, can improve radiating efficiency, saves the device space
Further, described N PSE module arranged in alignment or is staggered.
Further, described N the concrete arrangement mode of PSE module adopts one of following scheme:
PSE primary module in described N PSE module be arranged in Far Left, configuration PSE primary module address is minimum value; Or
PSE primary module in described N PSE module be arranged in rightmost, configuration PSE primary module address is maximum; Or
In the middle of being arranged in of PSE primary module in described N PSE module, configuration PSE primary module address is median.
The beneficial effects of the utility model are that PSE module high modularization when the device port number is less, with single PSE module, when the device port number is more, adopted a plurality of PSE module combinations to realize.Individual in the development process like this, only need the printed board of a standard P SE module of exploitation to get final product, reduced the complexity of exploitation amount and production management.Shorten the construction cycle and improved production efficiency.The PSE module adopts vertical fixing mode to be welded on device interior, the space that can reduce volume and take.Under the condition of equipment wind-cooling heat dissipating, the perpendicular module front and back of inserting is wind-cooling heat dissipating well, has solved module dissipation large, the problem that temperature is high.Also so that the material that is welded is few, technique is simple simultaneously.Improve greatly production efficiency, reduced cost.
Description of drawings
Fig. 1 is the network equipment structural representation with Ethernet function of supplying power of embodiment;
Fig. 2 is the 8 port PSE primary module structural representations of embodiment;
Fig. 3 is that the 8 port PSE of the utility model embodiment are from the modular structure schematic diagram;
Fig. 4 is the POE network equipment structural representation of 24 ports of the utility model embodiment.
Embodiment
Below in conjunction with drawings and the specific embodiments the utility model is further described in more detail.
The utility model carries out modularized design according to the port number that the network equipment provides to the PSE module that comprises, the network equipment of M pipeline equipment port is provided for needs, adopt N the PSE module composition that structure is identical, each PSE module can be PD(receiving end equipment by K pipeline equipment port) power supply is provided.The network equipment with Ethernet function of supplying power of the present utility model comprises mainboard, a N PSE module and M pipeline equipment port, and described N PSE module is connected with M pipeline equipment port, and is assemblied on the mainboard; Each PSE module in described N PSE module is supported K pipeline equipment port; Wherein, M, N, K are positive integer, and N=M/K, N 〉=1.In order to realize the cascade of module, realize the multiport POE network equipment, and so that the module of cascade permeates " integral body ".Design PSE primary module and PSE from module, with PSE primary module and PSE from module-cascade, thereby permeate an integral body.But for the integral body of an independent operating that cascade module is permeated, only at PSE primary module design control unit MCU, PSE does not design control unit on module.The first bus signal line BUS1 that the control unit of PSE primary module is drawn is drawn out to the interface of module.PSE links together the PSE chip with the first identical bus signal line BUS1 on module, is drawn out to simultaneously module-external.On mainboard that the BUS1 of two class PSE modules is interconnected, the interconnected communication of realization module realizes that the MCU management control of mainboard module is from the PSE chip of module.
The PSE module can be carried out standardized designs, becomes the standardized structural parts, for the different network equipment of device port number, adopts the module of varying number just can satisfy the network power supply requirement.For example the minimum port number of the project planning network equipment is 8, and the POE port number that then designs the PSE module is 8, i.e. the 8PSE module.8 port devices are only realized with the primary module of a 8PSE; The 16POE port device adopts 2 8PSE modules, the like, 24 mouthfuls, 48 ports then adopt respectively 3 8PSE modules and 6 8PSE module-cascades to realize.
Referring to Fig. 1, be the network equipment structural representation with Ethernet function of supplying power of the utility model embodiment; Comprise mainboard, 3 PSE modules and 24 pipeline equipment ports, described 3 PSE modules are connected with 24 pipeline equipment ports respectively, and are assemblied on the mainboard; Each PSE module in described 3 PSE modules is supported 8 pipeline equipment ports.In described 3 PSE modules, it is the PSE primary module that a PSE module is arranged, and all the other 2 PSE modules are that PSE is from module.
Embodiment
As an example of the POE network equipment that designs 8 ports example the utility model scheme is elaborated.The POE network equipment of 8 ports can only design the PSE module of 8 ports of a standard.Referring to Fig. 2, for being the 8 port PSE primary module structural representations of the utility model embodiment; Realize the PSE module (referred to as 8PSE) of 8 ports with 2 PSE chips (such as U2 and the U3 of Fig. 2).The U1 of design control unit MCU(such as Fig. 2 on the 8PSE primary module), and draws the first bus signal line BUS1, connect PSE chip U2 and the U3 of PSE inside modules; The second bus signal line BUS2 by the universal input output pin GPIO of MCU simulates is connected with the CPU of mainboard through isolating device.The address A0 of PSE chip U2 is connect logical zero, the address A0 of PSE chip U3 is connect logical one, the high address A3A2A1 of two PSE chips is connected together, be drawn out to module interface.As shown in Figure 2, the bus B US1 among Fig. 2, BUS2 are drawn, address wire A3A2A1 draws, and realizes the 8PSE primary module.The second bus signal line BUS2 of 8PSE primary module meets the CPU that the mainboard of establishing the network equipment is mainboard, the address A3A2A1=000 of configuration module, and then the logical address of two chips is 0000 and 0001.Module adopts and uprightly is welded on the mainboard, convenient fixing and heat radiation.
Be that the 8 port PSE of the utility model embodiment are from the modular structure schematic diagram referring to Fig. 3; Compare the PSE primary module, in the U2U3 welding, bus B US1 and address wire A3A2A1 draw, and welding control unit U1 and isolating device U4 do not realize that 8PSE is from module.Namely compare with the PSE primary module, the control unit and the digital isolator spare that remove on the main PSE module namely are from the PSE module.
Be the structural representation of the 24 port PO E network equipments of the utility model embodiment referring to Fig. 4.When realizing the network equipment of 24 ports, need to be in 3 PSE modules of mainboard assembling of the network equipment.The second bus signal line BUS2 of 8PSE primary module meets the CPU of network equipment mainboard, with the first bus signal line BUS1 3 8PSE modules are connected, the address wire A3A2A1 of configuration module is respectively 000,001,010, thereby distinguishes 3 PSE modules, the address of totally 6 chips.Module adopts and uprightly is welded on the mainboard.Three module " one " word arrangements or be staggered.On mainboard, address wire A3A2A1 is connected logical zero and logical one simultaneously.By selectivity configuration module address.Realization is cut to the network equipment of less port number than the network equipment of multiport.For the use of more convenient module, in inside modules, will move logical one on the A3A2A1 of address.Such as the R1R2R3 among Fig. 2.On mainboard, with address A3A2A1 ground connection, realize logical zero, unsettled then presentation logic 1.
According to the universal design of the POE network equipment, need to be with the POE power supply in isolating with the numeric field (being the cpu power territory) of the network equipment.Therefore need to increase isolating device by the signal between PSE module and CPU.According to the characteristic of bus, isolating device can adopt optocoupler, also can adopt digital isolator spare.According to the difference of BUS1 and BUS2, isolating device U4 can be connected on the second bus signal line BUS2; Also can be connected on the first bus signal line BUS1.
Wiring, fabric swatch demand according to network equipment reality.When a plurality of PSE module-cascade, main PSE module and can exchange arbitrarily from the mutual arrangement position of PSE module.Be that the PSE primary module can be at Far Left, rightmost, also can be in the middle of module, thus convenient the first bus signal line BUS1 and the second bus signal line BUS2 connect up at mainboard.The body arrangement mode adopts one of following scheme:
The PSE primary module is arranged in Far Left, and configuration PSE primary module address is minimum value; Or
The PSE primary module be arranged in rightmost, configuration PSE primary module address is maximum; Or
Being arranged in of PSE primary module is middle, and configuration PSE primary module address is median.
Need to prove, the minimum port number of the utility model embodiment is 8, if minimum port number 12, then decision design 12POE module.Adopt 3 PSE chips to realize 12 ports in inside modules.The low order address A1A0 of chip is set to respectively 00,01 and 10.High address A3A2 is drawn out to outside the module, as module's address.
The beneficial effects of the utility model are that the module high modularization when device port number is less, is used individual module, when the device port number is more, adopts a plurality of module combinations to realize.Individual in the development process like this, only need standard module of exploitation to get final product, reduced the complexity of exploitation amount and production management.Shorten the construction cycle and improved production efficiency.Module adopts perpendicular mode of inserting to be welded on device interior, the space that can reduce volume and take.Under the condition of equipment wind-cooling heat dissipating, the perpendicular module front and back of inserting is wind-cooling heat dissipating well, has solved module dissipation large, the problem that temperature is high.Also so that the material that is welded is few, technique is simple simultaneously.Improve greatly production efficiency, reduced cost.
Claims (10)
1. have the network equipment of Ethernet function of supplying power, it is characterized in that, comprise mainboard, a N PSE module and M pipeline equipment port, described N PSE module is connected with M pipeline equipment port, and is assemblied on the mainboard; Each PSE module in described N PSE module is supported K pipeline equipment port; Wherein, M, N, K are positive integer, and N=M/K, N 〉=1.
2. the network equipment with Ethernet function of supplying power according to claim 1 is characterized in that, in described N the PSE module, it is the PSE primary module that a PSE module is arranged, and all the other PSE modules are that PSE is from module.
3. the network equipment with Ethernet function of supplying power according to claim 2, it is characterized in that, described PSE primary module comprises control unit, described control unit connects each interior PSE chip of place PSE module by the first bus signal line, and the low level of the address wire of each PSE chip is connected respectively to corresponding high and low level; Described control unit utilizes the second bus signal line to be connected to isolating device, is connected with the CPU of mainboard again.
4. the network equipment with Ethernet function of supplying power according to claim 3, it is characterized in that, the second bus signal line of described PSE primary module is that the universal input output pin GPIO by described control unit simulates the bus signal line identical with the CPU of described mainboard.
5. the network equipment with Ethernet function of supplying power according to claim 2 is characterized in that, described PSE connects each PSE chip in the PSE module of place from module by the first bus signal line.
6. the network equipment with Ethernet function of supplying power according to claim 5 is characterized in that, described PSE primary module and each described PSE are interconnected by the first bus signal line at mainboard from module.
7. the network equipment with Ethernet function of supplying power according to claim 2 is characterized in that, described PSE primary module and PSE are drawn out to outside the module address as module from the high address of the PSE chip of module; On mainboard, described module's address is connected to high and low level.
8. each described network equipment with Ethernet function of supplying power is characterized in that according to claim 1-7, and described N PSE module is vertically fixed on the mainboard.
9. the network equipment with Ethernet function of supplying power according to claim 8 is characterized in that, described N PSE module arranged in alignment or be staggered.
10. the network equipment with Ethernet function of supplying power according to claim 9 is characterized in that, described N the concrete arrangement mode of PSE module adopts one of following scheme:
PSE primary module in described N PSE module be arranged in Far Left, configuration PSE primary module address is minimum value; Or
PSE primary module in described N PSE module be arranged in rightmost, configuration PSE primary module address is maximum; Or
In the middle of being arranged in of PSE primary module in described N PSE module, configuration PSE primary module address is median.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320223940 CN203243343U (en) | 2013-04-27 | 2013-04-27 | Network device possessing power over ethernet (POE) function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320223940 CN203243343U (en) | 2013-04-27 | 2013-04-27 | Network device possessing power over ethernet (POE) function |
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| CN203243343U true CN203243343U (en) | 2013-10-16 |
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| CN 201320223940 Expired - Lifetime CN203243343U (en) | 2013-04-27 | 2013-04-27 | Network device possessing power over ethernet (POE) function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055212A (en) * | 2017-12-05 | 2018-05-18 | 锐捷网络股份有限公司 | A kind of method and device of compatible PSE chips |
| CN108337194A (en) * | 2018-02-24 | 2018-07-27 | 上海剑桥科技股份有限公司 | POE interchangers |
-
2013
- 2013-04-27 CN CN 201320223940 patent/CN203243343U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108055212A (en) * | 2017-12-05 | 2018-05-18 | 锐捷网络股份有限公司 | A kind of method and device of compatible PSE chips |
| CN108055212B (en) * | 2017-12-05 | 2021-05-18 | 锐捷网络股份有限公司 | Method and device compatible with PSE chip |
| CN108337194A (en) * | 2018-02-24 | 2018-07-27 | 上海剑桥科技股份有限公司 | POE interchangers |
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Granted publication date: 20131016 |
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| CX01 | Expiry of patent term |