CN202721688U - Double board power over Ethernet device - Google Patents
Double board power over Ethernet device Download PDFInfo
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- CN202721688U CN202721688U CN 201220309587 CN201220309587U CN202721688U CN 202721688 U CN202721688 U CN 202721688U CN 201220309587 CN201220309587 CN 201220309587 CN 201220309587 U CN201220309587 U CN 201220309587U CN 202721688 U CN202721688 U CN 202721688U
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- over ethernet
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Abstract
The utility model relates to Ethernet technology, and discloses a double board power over Ethernet device. According to the utility model, current is acquired from external power sourcing equipment (PSE) by using a power device (PD) through a power over Ethernet (POE) input network port, acquired current is not only provided for a mainboard of the a circuit board, but also provided for internal PSE, and the internal PSE provides power for the PD which is connected with the POE input network port. Through a cascaded PSE mode, single external PSE is enabled not only to provide power for the PD connected through the POE network port, but also to provide power for the follow-up cascaded PD, thereby promoting the power supply efficiency of the PSE effectively. Furthermore, the POE technical standard in the prior art does not need to be changed, thereby being beneficial to the popularization and application. In addition, a double board design, which comprises a bottom board processing power supply parts and the mainboard processing signal parts, solves a space limitation problem of multifunctional equipment.
Description
Technical field
The utility model relates to ethernet technology, particularly a kind of double-plate Power over Ethernet device.
Background technology
Power over Ethernet (Power Over Ethernet, be called for short " POE ") refer 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.POE is also referred to as the electric power system (POL based on local area network (LAN), Power over LAN) or active Ethernet (Active Ethernet), this is the newest standards standard that transmits data and electrical power when utilizing existing standard ethernet transmission cable, and has kept the compatibility with existing Ethernet system and user.
A complete POE system comprises feeder ear equipment (Power Sourcing Equipment is called for short " PSE ") and receiving end equipment (Powered Device is called for short " PD ") two parts.PSE equipment is the equipment for the ethernet client power devices, also is the manager of whole Power over Ethernet process simultaneously.And PD equipment is the PSE load of accepting power supply, i.e. the client device of POE system.In fact, necessarily the equipment of power can as PD, obtain corresponding electric power from the RJ45 socket.
Concrete supply power mode in the POE system is: whether PSE detects with this PSE is PD by the power receiving equipment that the POE network interface is connected, if PD then exports electric energy to this PD, if not PD, does not then export electric energy to power receiving equipment.Can find by this supply power mode if a PSE connects a plurality of power receiving equipments, whether this PSE is PD with the None-identified connection, therefore also just can't power.That is to say that in existing POE system, a PSE can only be a PD power supply.
The utility model content
The purpose of this utility model is to provide a kind of double-plate Power over Ethernet device, so that a PSE not only is the power electronic equipment in the device, but also can power for a plurality of PD, thereby promoted the power supply efficiency of PSE, and, need not to change existing POE technical standard, be conducive to apply.
For solving the problems of the technologies described above, execution mode of the present utility model provides a kind of double-plate Power over Ethernet device, comprises: Power over Ethernet POE input network interface 6, circuit board base plate 4, circuit board mainboard 8, with the network interface 5 of POE output function;
Wherein, described circuit board base plate 4 comprises receiving end equipment, power-switching circuit, in-line power end equipment;
The input of described receiving end equipment links to each other with described POE input network interface 6, and the output of described receiving end equipment links to each other with described circuit board mainboard 8, will input the electric current that network interface obtains from POE and export to described circuit board mainboard;
One end of described power-switching circuit links to each other with described POE input network interface 6, and the other end of described power-switching circuit connects the input of described in-line power end equipment, and the output voltage of described POE being inputted network interface 6 directly offers described in-line power end equipment;
Described network interface with the POE output function is corresponding one by one with described in-line power end equipment; The output of described in-line power end equipment links to each other with corresponding network interface with the POE output function, for this next stage receiving end power devices that links to each other with the network interface of POE output function.
The utility model execution mode in terms of existing technologies, utilize PD to input network interface by POE, obtain electric current from the PSE of outside, with the electric current that gets access to except offering the circuit board mainboard, also offer inner PSE, powered for the PD that links to each other with POE input network interface by this inside PSE.By the mode of cascade PSE, so that the PSE of single outside not only can be the PD power supply that links to each other by the POE network interface, can also be the PD power supply of subsequent cascaded, effectively promote the power supply efficiency of PSE, and, need not to change existing POE technical standard, be conducive to apply; In addition, process two plates designs of base plate and the processing signals mainboard partly of power unit, solved the space constraints of multifunctional equipment.
In addition, described circuit board mainboard comprises master chip 12, terminal equipment; Signal from described POE input network interface (6) obtains directly is sent to described circuit board mainboard (8); Described master chip (12) is processed this signal, for described terminal equipment, exports to described network interface with the POE output function (5), and be connected to this device talk with the network interface of POE output function.Make Power over Ethernet device transmission of data signals when direct current supply is provided, need not to change existing POE technical standard, be conducive to apply.
In addition, described terminal equipment is wireless WiFi AP equipment, makes the Power over Ethernet device that wireless access way can be provided, and is user-friendly to.
In addition, described Power over Ethernet device also comprises common Ethernet network interface.When making the Power over Ethernet device that the active Ethernet access can be provided, can also provide common Ethernet access for the user, provide multiple access scheme, for the user offers convenience.
In addition, described power-switching circuit is solid-state switch; Controlling described solid-state switch by described receiving end equipment is in and opens or closure state; When described solid-state switch was in closure state, the described POE input of conducting network interface was to the circuit of described in-line power end equipment, for described in-line power end equipment provides electric current.Make externally fed end equipment can correctly identify a plurality of receiving end equipment, thus normal power supply.
In addition, when comprising at least 2 described in-line power end equipment in the described Power over Ethernet device, the input of each described in-line power end equipment is parallel to described power-switching circuit.Can realize the cascade of a plurality of PSE, PD, further promote the power supply efficiency of PSE.
In addition, described device also comprises heating panel 10, is connected with described circuit board mainboard by the first link place 1001, the second link place 1003 and the 3rd link place 1004, makes the heater members heat radiation of circuit board mainboard faster.
In addition, offer hollow out 1002 on the described heating panel, to guarantee circulation of air, convenient heat radiation.
In addition, described device also comprises drain pan 1, shell 3 and panel 2; Described Power over Ethernet POE input network interface 6, circuit board base plate 4, circuit board mainboard 8, be positioned at described drain pan 1 with the network interface 5 of POE output function; Described shell is held on the described drain pan, and described panel covers on the described shell; By POE being inputted network interface, circuit board base plate, circuit board mainboard, all being accommodated in the drain pan with the parts such as network interface of POE output function, both covered dust, again convenient the installation.
In addition, described drain pan, shell and panel are provided with louvre.By louvre the amount of heat that the Power over Ethernet device distributes is distributed, avoid device to damage because of heating, solved device is built in heat dissipation problem in the wall.
Description of drawings
Fig. 1 is the double-plate Power over Ethernet structure drawing of device according to a preferred embodiments of the present utility model;
Fig. 2 is the power supply processing section principle schematic according to the double-plate Power over Ethernet device of a preferred embodiments of the present utility model;
Fig. 3 is the signal processing principle schematic according to the double-plate Power over Ethernet device of a preferred embodiments of the present utility model;
Fig. 4 is the external structure according to the double-plate Power over Ethernet device of a preferred embodiments of the present utility model;
Fig. 5 is the external structure according to the double-plate Power over Ethernet device of a preferred embodiments of the present utility model;
Fig. 6 is the structure chart that removes panel according to the double-plate Power over Ethernet device of a preferred embodiments of the present utility model;
Fig. 7 is the shell schematic diagram according to the double-plate Power over Ethernet device of a preferred embodiments of the present utility model;
Fig. 8 is the cut-away view according to the double-plate Power over Ethernet device of a preferred embodiments of the present utility model;
Fig. 9 is the heat radiating fin structure figure according to the double-plate Power over Ethernet device of a preferred embodiments of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing execution mode of the present utility model is explained in detail.Yet, persons of ordinary skill in the art may appreciate that in the utility model execution mode, in order to make the reader understand the application better many ins and outs have been proposed.But, even without these ins and outs with based on many variations and the modification of following execution mode, also can realize each claim of the application technical scheme required for protection.
Execution mode of the present utility model relates to a kind of double-plate Power over Ethernet device, utilize PD to input network interface by POE, obtain electric current from the PSE of outside, with the electric current that gets access to except offering terminal equipment, also offer inner PSE, powered for the PD that links to each other with POE input network interface by this inside PSE.By the mode of cascade PSE, so that the PSE of single outside not only can be the PD power supply that links to each other by the POE network interface, can also be one or more PD power supplies of subsequent cascaded, effectively promote the power supply efficiency of PSE, and, need not to change existing POE technical standard, be conducive to apply.The Power over Ethernet device that present embodiment provides comprises: Power over Ethernet POE input network interface 6, circuit board base plate 4, circuit board mainboard 8, with the network interface 5 of POE output function, as shown in Figure 1.Wherein the circuit board base plate comprises receiving end equipment, power-switching circuit, in-line power end equipment, and mainly for the treatment of the power supply conversion of Power over Ethernet device, its principle as shown in Figure 2.
On the one hand, the input of the receiving end equipment on the circuit board base plate and POE input network interface 6 links to each other, and the output of receiving end equipment links to each other with circuit board mainboard 8, will input the electric current that network interface obtains from POE and export to the circuit board mainboard.Specifically, outside PSE inputs network interface 6 by the POE that the CAT5/6 netting twine is connected to the Power over Ethernet device, and this POE input network interface 6 PD direct and in the Power over Ethernet equipment link to each other.Owing to according to existing POE standard, be PD in case outside PSE detects power receiving equipment, then will export electric energy to this PD, therefore, can utilize PD to input network interface by POE, obtain electric current from externally fed end equipment; To 8 power supplies of circuit board mainboard, this circuit board mainboard 8 comprises master chip 12, terminal equipment, internal memory 11 etc. by receiving end equipment; This terminal equipment can produce WiFi WLAN mouth for wireless local network connecting point WIFI AP equipment, makes the Power over Ethernet device that wireless access way can be provided, and is user-friendly to.The output voltage of PD is U1 in the present embodiment, such as 3.3V, 5V or 12V etc.
On the other hand, an end of power-switching circuit links to each other with POE input network interface 6, and the other end of this power-switching circuit connects the input of in-line power end equipment, and the output voltage of POE being inputted network interface 6 directly offers in-line power end equipment; That is to say that the output voltage of POE being inputted network interface 6 is converted to the required input voltage of in-line power end equipment by power-switching circuit, for this in-line power end equipment provides electric current.The input voltage of in-line power end equipment is 48V in the present embodiment.It will be appreciated by those skilled in the art that, in the Power over Ethernet device as shown in Figure 2, only have an inner PSE and power-switching circuit, but in actual applications, this power-switching circuit can a plurality of inner PSE in parallel, the output voltage of this power-switching circuit is 48V, for a plurality of inner PSE provide required voltage.Thereby realize the cascade of a plurality of PSE, PD, further promoted the power supply efficiency of PSE.
Network interface with the POE output function is corresponding one by one with in-line power end equipment; The output of in-line power end equipment links to each other with corresponding network interface with the POE output function, and this in-line power end equipment is by the corresponding network interface with the POE output function, for this next stage receiving end power devices that links to each other with the network interface of POE output function.That is to say that inner PSE links to each other with the network interface 5 with the POE output function of Power over Ethernet device, this network interface 5 with the POE output function is used for connecting outside PD by the CAT5/6 netting twine.Because that in a single day inner PSE detects that this connects with network interface of POE output function is PD, then should be about to this PD output electric energy by inside PSE.
Can find out according to prior art if a PSE connects a plurality of power receiving equipments, whether this PSE is PD with the None-identified connection, therefore also just can't power.Can power to a plurality of power receiving equipments in order to make present embodiment, the output voltage that just can not directly POE be inputted network interface is connected directly to in-line power end equipment, and need to use power-switching circuit, control in-line power end equipment and POE input the opportunity that is connected of network interface, to avoid the detection-phase of externally fed end equipment, to be detected finishing, access after the normal operation of externally fed end equipment, thereby normal power supply.Such as, adopt solid-state switch as power-switching circuit, be in by receiving end equipment control solid-state switch and open or closure state.At the PD that obtains electric current from POE input network interface, during to the terminal equipment output current, this PD controls simultaneously solid-state switch SW and is in closure state and conducting, for the inside PSE that is connected with this solid-state switch provides electric current, that is to say, when solid-state switch was in closure state, conducting POE input network interface was to the circuit of in-line power end equipment, for in-line power end equipment provides electric current.
In addition, it is worth mentioning that the double-plate Power over Ethernet device that present embodiment provides will be inputted the signal that network interface 6 obtains from POE, directly be sent to circuit board mainboard 8; Master chip 12 is processed these signals, for terminal equipment, perhaps exports to the network interface 5 with the POE output function, and be connected to this device talk with the network interface of POE output function, as shown in Figure 3.Make Power over Ethernet device transmission of data signals when direct current supply is provided, need not to change existing POE technical standard, be conducive to apply.In addition, this Power over Ethernet device has two network interfaces, and one is common Ethernet network interface, and one is the network interface with the POE output function.That is to say that this Power over Ethernet device also comprises common Ethernet network interface, can when the active Ethernet access is provided, can also provide common Ethernet access for the user, provide multiple access scheme, for the user offers convenience.
Except above-mentioned chief component, the double-plate Power over Ethernet device that present embodiment provides also comprises drain pan 1, shell 3 and panel 2, shell 3 is held on the drain pan 1, panel 2 covers on the shell, and by in the fixing hole 303 and 309 that runs through shell and drain pan, adopting bolt nut structure with shell and drain pan fastening, extremely shown in Figure 7 such as Fig. 4; The POE of Power over Ethernet device input network interface 6, circuit board base plate 4, circuit board mainboard 8, be positioned at drain pan 1 with the network interface 5 of POE output function, as shown in Figure 8.By POE being inputted network interface 6, circuit board base plate 4, circuit board mainboard 8, all being accommodated in the drain pan 1 with the parts such as network interface 5 of POE output function, both covered dust, the convenient installation again can be with whole being installed in the body of wall of device, and be not only attractive in appearance but also do not take up space.After assembling is finished, will input Ethernet Cat.5 wiring by the opening 307 (seeing Fig. 7) on the shell 3 and be connected to POE input network interface 6, and from pulling out output Ethernet Cat.5 wiring with the network interface 5 of POE output function in order to be connected with external equipment; Also have radome line wire hole on the shell, have in the present embodiment four radome line wire holes 306,308,311,312.And have outstanding structure 305 on the shell, and this outstanding structure is consistent with the height of panel 2, and in the time of on panel 2 covers shell 3, this outstanding structure just in time is stuck in the opening 203 on the panel 2.In addition, the Power over Ethernet equipment of present embodiment also is provided with restarts button 7,13, is used for rebooting device.
In addition, it is worth mentioning that, because the Power over Ethernet device can produce amount of heat in carrying out power supply conversion and signal processing, cause the device heating to damage, therefore, at shell, the position corresponding to main heater members on drain pan and the panel is equipped with louvre 101,102,201,202,301, dissipation of heat is gone out, damage because of heating to avoid device; In addition, in order to make the heater members heat radiation faster, also be provided with heating panel 10, as shown in Figure 9, this heating panel is connected with master chip 12 on the circuit board mainboard by the first link place 1001, and the second link place 1003 is connected with internal memory 11 on the circuit board mainboard, the 3rd link place 1004 is connected with circuit board mainboard two ends, and have hollow out 1002, guarantee circulation of air, to reach the purpose of heat radiation.
Persons of ordinary skill in the art may appreciate that above-mentioned execution mode is to realize specific embodiment of the utility model, and in actual applications, can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (11)
1. a double-plate Power over Ethernet device is characterized in that, comprises: Power over Ethernet POE input network interface (6), circuit board base plate (4), circuit board mainboard (8), with the network interface (5) of POE output function;
Wherein, described circuit board base plate (4) comprises receiving end equipment, power-switching circuit, in-line power end equipment;
The input of described receiving end equipment links to each other with described POE input network interface (6), and the output of described receiving end equipment links to each other with described circuit board mainboard (8), will input the electric current that network interface obtains from POE and export to described circuit board mainboard;
One end of described power-switching circuit links to each other with described POE input network interface (6), the other end of described power-switching circuit connects the input of described in-line power end equipment, and the output voltage of described POE being inputted network interface (6) directly offers described in-line power end equipment;
Described network interface with the POE output function is corresponding one by one with described in-line power end equipment; The output of described in-line power end equipment and the corresponding network interface with the POE output function (5) link to each other, for this next stage receiving end power devices that links to each other with the network interface of POE output function.
2. double-plate Power over Ethernet device according to claim 1 is characterized in that, described circuit board mainboard comprises master chip (12), terminal equipment;
Signal from described POE input network interface (6) obtains directly is sent to described circuit board mainboard (8); Described master chip (12) is processed this signal, for described terminal equipment, perhaps exports to described network interface with the POE output function (5), and be connected to this device talk with the network interface of POE output function.
3. double-plate Power over Ethernet device according to claim 2 is characterized in that, described terminal equipment is wireless local network connecting point WiFi AP equipment.
4. double-plate Power over Ethernet device according to claim 1 is characterized in that, described Power over Ethernet device also comprises common Ethernet network interface.
5. double-plate Power over Ethernet device according to claim 1 is characterized in that, described power-switching circuit is solid-state switch; Controlling described solid-state switch by described receiving end equipment is in and opens or closure state;
When described solid-state switch was in closure state, the described POE input of conducting network interface was to the circuit of described in-line power end equipment, for described in-line power end equipment provides electric current.
6. double-plate Power over Ethernet device according to claim 1 is characterized in that, when comprising at least 2 described in-line power end equipment in the described Power over Ethernet device, the input of each described in-line power end equipment is parallel to described power-switching circuit.
7. double-plate Power over Ethernet device according to claim 1, it is characterized in that, described device also comprises heating panel (10), is connected with described circuit board mainboard by the first link place (1001), the second link place (1003) and the 3rd link place (1004).
8. double-plate Power over Ethernet device according to claim 7 is characterized in that, offers hollow out (1002) on the described heating panel.
9. double-plate Power over Ethernet device according to claim 1 is characterized in that, described device also comprises drain pan (1), shell (3) and panel (2);
Described Power over Ethernet POE input network interface (6), circuit board base plate (4), circuit board mainboard (8), be positioned at described drain pan (1) with the network interface (5) of POE output function;
Described shell is held on the described drain pan, and described panel covers on the described shell;
10. double-plate Power over Ethernet device according to claim 9 is characterized in that, described drain pan (1), shell (3) and panel (2) are provided with louvre.
11. double-plate Power over Ethernet device according to claim 9 is characterized in that, has outstanding structure (305) on the described shell (3), this outstanding structure (305) is consistent with the height of described panel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309587 CN202721688U (en) | 2012-06-28 | 2012-06-28 | Double board power over Ethernet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220309587 CN202721688U (en) | 2012-06-28 | 2012-06-28 | Double board power over Ethernet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202721688U true CN202721688U (en) | 2013-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220309587 Expired - Fee Related CN202721688U (en) | 2012-06-28 | 2012-06-28 | Double board power over Ethernet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202721688U (en) |
-
2012
- 2012-06-28 CN CN 201220309587 patent/CN202721688U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20150628 |
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| EXPY | Termination of patent right or utility model |