CN2777845Y - POE power supply module with synchronously output 48 ports - Google Patents
POE power supply module with synchronously output 48 ports Download PDFInfo
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- CN2777845Y CN2777845Y CN 200420122402 CN200420122402U CN2777845Y CN 2777845 Y CN2777845 Y CN 2777845Y CN 200420122402 CN200420122402 CN 200420122402 CN 200420122402 U CN200420122402 U CN 200420122402U CN 2777845 Y CN2777845 Y CN 2777845Y
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Abstract
The utility model relates to a POE power supply module capable of synchronously outputting 48 ports, which comprises an alternating current input interface, AC / DC isolation and conversion circuit, a direct current input interface, an isolating circuit, a DC / DC isolation and conversion circuit, a POE control circuit, 48 ports of minus 48V, an output interface of 12V and a POE communication interface. The utility model combines the existing power supply module technique and a POE control part. As a consequence, the utility model can realize the novel POE power supply module which has double functions of electricity supply characteristic and POE communication management and can simultaneously output 48 ports.
Description
Technical field
The utility model relates to a kind of power module with the POE management function, the particularly a kind of POE power module that can export 48 ports simultaneously.
Background technology
Along with POE (uploading the transmission of electricity source at Ethernet) broad application, increasing POE equipment emerges.Present POE equipment all is that power module and POE control section are designed separately, and power module only is the electric supply installation as the equipment mainboard.
As shown in Figure 1, the alternating current of 90～264VAC is input to the AC/DC isolating converter only as the block diagram of the AC/DC power module of POE electric supply installation for existing, the direct current of direct current through isolating conversion back output+12Vdc and-48Vdc.
And for example shown in Figure 2, for existing only as the block diagram of the DC/DC power module of POE electric supply installation ,-36～-direct current of 75Vdc is input to the DC/DC isolating converter, the direct current of direct current through isolating conversion back output+12Vdc and-48Vdc.
The block diagram of the existing P OE equipment realization management function under above-mentioned two kinds of power module situations as shown in Figure 3, at first power supply is imported existing power supply module, then with existing power supply module output+direct current of 12Vdc and-direct current of the 48Vdc main control part and the POE control section of input equipment mainboard respectively, main control part is connected by communication interface with the POE control section, and multichannel POE port is received in the output of main control part and POE control section.
As seen by above-mentioned, there is following shortcoming in prior art:
1) above two kinds of power modules only are to realize function of supplying power merely in POE equipment, do not have the telecommunication management function of POE.In order to realize the POE function, just necessarily requiring increases the POE control circuit on the equipment mainboard, so bring very big workload for POE equipment mainboard developer.
2) if the POE control section damages, then whole POE function can not realize, must buy new apparatus for POE user, spend higher, and can not on-call maintenance, the maintenance cost height.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and defective, a kind of POE power module that can export 48 ports is simultaneously proposed, existing power module technology and POE control section are combined, realize having the POE novel power supply module that to export 48 ports simultaneously of supplied character and POE telecommunication management dual-use function.
For reaching above-mentioned purpose, the utility model provides a kind of POE power module that can export 48 ports simultaneously, and it comprises:
1) one exchanges input interface, input AC;
2) AC/DC isolated variable circuit is connected with described interchange input interface, and its direct current of opening up the alternating current isolated variable one-tenths-48V that the benefit technology will exchange input interface input by the single-end ortho-exciting isolated variable is exported;
3) a direct current input interface, input dc power;
4) buffer circuit, it comprises two diode connected in parallel, wherein the anode of first diode and the output of described AC/DC isolated variable circuit-direct current of 48V is connected; The anode of second diode and the input of described direct current input interface-direct current of 48V is connected, and is merged into the direct current of one tunnel-48V then at the negative electrode of described two diodes, is further divided into the direct current of direct current and the second tunnel-48V of the first via-48V;
5) DC/DC isolates change-over circuit, and the direct current of its input first via-48V by single-end ortho-exciting or instead swash isolated variable and open up the direct current that the direct current isolated variable of benefit technology general-48V becomes 12V, is exported by the 12V output interface;
6) POE control circuit, it comprises the POE controller of two parallel connections, imports the direct current of the second tunnel-48V simultaneously, first POE controller is transformed into the direct current of the second tunnel-48V of being imported the direct current of 24 tunnel-48V; Second POE controller also is transformed into the direct current of the second tunnel-48V of being imported the direct current of 24 tunnel-48V, and this POE control circuit also has a POE communication interface simultaneously;
7) 48-48V port is connected the direct current of output-48V with the direct current of 48 tunnel-48V of described POE control circuit output respectively.
The alternating current of described interchange input interface input is 90VAC～264VAC.
The direct current of described direct current input interface input is-36VDC～-75VDC.
Described diode can substitute with switching tube.
Described diode can substitute with field effect transistor.
For high-power output, described diode can substitute with the parallel current-sharing circuit.
Described two POE controllers possess socket separately, can match by socket separately.
The advantage that the utility model had is:
1) making power supply is not single power supply unit, can realize functions such as POE communication, management, control simultaneously;
2) simplified POE equipment mainboard development difficulty, for the time has been saved in the main equipment exploitation;
3) maintain and replace is timely, and maintenance cost is low, can solve the damage of POE control section and cause the disabled problem of POE complete equipment, for the POE equipment user has reduced the more expense of exchange device only by changing the power module part;
3) power supply POE modularized design has improved reliability.
Description of drawings
Fig. 1 is existing only as the block diagram of the AC/DC power module of POE electric supply installation;
Fig. 2 is existing only as the block diagram of the DC/DC power module of POE electric supply installation;
Fig. 3 is the block diagram that the existing P OE equipment under two kinds of power modules illustrated in figures 1 and 2 is realized management function;
Fig. 4 can export the realization block diagram of the POE power module of 48 ports simultaneously for the utility model.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with drawings and Examples.
As shown in Figure 4, the utility model provides a kind of embodiment that can export the POE power module of 48 ports simultaneously, and it comprises:
1) one exchanges input interface 1, input AC;
2) AC/DC isolated variable circuit 3 is connected with described interchange input interface 1, and it is opened up the direct current that the benefit technology will exchange the alternating current isolated variable one-tenths-48V of input interface 1 input by the single-end ortho-exciting isolated variable and exports;
3) a direct current input interface 2, input dc power;
4) buffer circuit 4, it comprises two diode connected in parallel, wherein the anode of first diode 41 and 3 outputs of described AC/DC isolated variable circuit-direct current that the direct current of 48V is electrically connected is connected, the anode of second diode 42 and 2 inputs of described direct current input interface-direct current of 48V is connected, be merged into the direct current of one tunnel-48V then at the negative electrode of described two diodes 41,42, be further divided into the direct current of direct current and the second tunnel-48V of the first via-48V;
5) DC/DC isolates change-over circuit 5, and the direct current of its input first via-48V by single-end ortho-exciting or instead swash isolated variable and open up the direct current that the direct current isolated variable of benefit technology general-48V becomes 12V, is exported by 12V output interface 6;
6) the POE control circuit 7, and it comprises the POE controller (not shown) of two parallel connections, import the direct current of the second tunnel-48V simultaneously, and first POE controller is transformed into the direct current of the second tunnel-48V of being imported the direct current of 24 tunnel-48V; Second POE controller also is transformed into the direct current of the second tunnel-48V of being imported the direct current of 24 tunnel-48V, and this POE control circuit 7 also has a POE communication interface 8 simultaneously;
7) 48-48V port 9, are connected the direct current of output-48V with the direct current of 48 tunnel-48V of described POE control circuit 7 outputs respectively.
The voltage range of the alternating current of described interchange input interface 1 input is 90VAC～264VAC, is generally 110VAC or 220VAC.
The galvanic voltage range of described direct current input interface 2 inputs is-36VDC～-75VDC, be generally-48VDC.
As another embodiment, described diode 41,42 can substitute with switching tube.
As another embodiment, described diode 41,42 can substitute with field effect transistor.
For the embodiment of high-power output, described diode 41,42 can also substitute with the parallel current-sharing circuit.
Two POE controllers in the described POE control circuit 7 possess socket separately, can match by socket separately.When two POE controllers socket is separately all planted, 48 ports of this POE power module can export simultaneously-direct current of 48V.When the socket of a POE controller is planted, when the socket of another POE controller is not planted, have 24 ports can export simultaneously-direct current of 48V in 48 ports of this POE power module, other 24 ports are temporarily idle.Certainly the socket of these two POE controllers can take turns to plant as required, is convenient to maintenance, applies in a flexible way.
Claims (7)
1. the POE power module that can export 48 ports simultaneously is characterized in that, comprising:
1) one exchanges input interface, input AC;
2) AC/DC isolated variable circuit is connected with described interchange input interface, and its direct current of opening up the alternating current isolated variable one-tenths-48V that the benefit technology will exchange input interface input by the single-end ortho-exciting isolated variable is exported;
3) a direct current input interface, input dc power;
4) buffer circuit, it comprises two diode connected in parallel, wherein the anode of first diode and the output of described AC/DC isolated variable circuit-direct current of 48V is connected; The anode of second diode and the input of described direct current input interface-direct current of 48V is connected, and is merged into the direct current of one tunnel-48V then at the negative electrode of described two diodes, is further divided into the direct current of direct current and the second tunnel-48V of the first via-48V;
5) DC/DC isolates change-over circuit, and the direct current of its input first via-48V by single-end ortho-exciting or instead swash isolated variable and open up the direct current that the direct current isolated variable of benefit technology general-48V becomes 12V, is exported by the 12V output interface;
6) POE control circuit, it comprises the POE controller of two parallel connections, imports the direct current of the second tunnel-48V simultaneously, first POE controller is transformed into the direct current of the second tunnel-48V of being imported the direct current of 24 tunnel-48V; Second POE controller also is transformed into the direct current of the second tunnel-48V of being imported the direct current of 24 tunnel-48V, and this POE control circuit also has a POE communication interface simultaneously;
7) 48-48V port is connected the direct current of output-48V with the direct current of 48 tunnel-48V of described POE control circuit output respectively.
2. the POE power module that can export 48 ports simultaneously according to claim 1 is characterized in that, the alternating current of described interchange input interface input is 90VAC～264VAC.
3. the POE power module that can export 48 ports simultaneously according to claim 1 is characterized in that, the direct current of described direct current input interface input is-and 36VDC～-75VDC.
4. the POE power module that can export 48 ports simultaneously according to claim 1 is characterized in that, described diode can substitute with switching tube.
5. the POE power module that can export 48 ports simultaneously according to claim 1 is characterized in that, described diode can substitute with field effect transistor.
6. the POE power module that can export 48 ports simultaneously according to claim 1 is characterized in that, for high-power output, described diode can substitute with the parallel current-sharing circuit.
7. the POE power module that can export 48 ports simultaneously according to claim 1 is characterized in that, described two POE controllers possess socket separately, can match by socket separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420122402 CN2777845Y (en) | 2004-12-10 | 2004-12-10 | POE power supply module with synchronously output 48 ports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420122402 CN2777845Y (en) | 2004-12-10 | 2004-12-10 | POE power supply module with synchronously output 48 ports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777845Y true CN2777845Y (en) | 2006-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420122402 Expired - Lifetime CN2777845Y (en) | 2004-12-10 | 2004-12-10 | POE power supply module with synchronously output 48 ports |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777845Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060412B (en) * | 2007-03-29 | 2011-05-11 | 杭州华三通信技术有限公司 | Ethernet power supply system, master control module and Ethernet power supply method |
| CN102185698A (en) * | 2011-04-11 | 2011-09-14 | 成都市华为赛门铁克科技有限公司 | Ethernet power supply port protective circuit and ethernet power supply equipment |
| CN102710011A (en) * | 2012-06-14 | 2012-10-03 | 济南镭之源电气有限公司 | Power over Ethernet (POE) device capable of supplying power uninterruptedly |
| CN103095465A (en) * | 2013-01-21 | 2013-05-08 | 杭州优迈科技有限公司 | Power over Ethernet (POE) system and light-emitting diode (LED) lighting device using the same |
| CN103259325A (en) * | 2012-02-15 | 2013-08-21 | 中兴通讯股份有限公司 | Power supply device and power supply method |
-
2004
- 2004-12-10 CN CN 200420122402 patent/CN2777845Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101060412B (en) * | 2007-03-29 | 2011-05-11 | 杭州华三通信技术有限公司 | Ethernet power supply system, master control module and Ethernet power supply method |
| CN102185698A (en) * | 2011-04-11 | 2011-09-14 | 成都市华为赛门铁克科技有限公司 | Ethernet power supply port protective circuit and ethernet power supply equipment |
| CN102185698B (en) * | 2011-04-11 | 2013-04-17 | 华为数字技术（成都）有限公司 | Ethernet power supply port protective circuit and ethernet power supply equipment |
| US9472950B2 (en) | 2011-04-11 | 2016-10-18 | Huawei Technologies Co., Ltd. | Protection circuit of power over ethernet port and ethernet power-sourcing equipment |
| CN103259325A (en) * | 2012-02-15 | 2013-08-21 | 中兴通讯股份有限公司 | Power supply device and power supply method |
| CN102710011A (en) * | 2012-06-14 | 2012-10-03 | 济南镭之源电气有限公司 | Power over Ethernet (POE) device capable of supplying power uninterruptedly |
| CN102710011B (en) * | 2012-06-14 | 2015-12-09 | 济南镭之源电气有限公司 | A kind of uninterrupted power supply POE device |
| CN103095465A (en) * | 2013-01-21 | 2013-05-08 | 杭州优迈科技有限公司 | Power over Ethernet (POE) system and light-emitting diode (LED) lighting device using the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU HUASAN COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME OR ADDRESS: HANGZHOU HUAWEI 3COM TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 310053, Hangzhou hi tech Industrial Development Zone, Zhejiang hi tech Industrial Park, No. six and No. 310 HUAWEI Hangzhou production base Patentee after: Huasan Communication Technology Co., Ltd. Address before: 310053, Jiang hi tech Industrial Development Zone, Zhejiang, Hangzhou hi tech Industrial Park six and Lu Donghua as the 3COM headquarters Patentee before: Huawei Sankang Technology Co., Ltd., Hangzhou |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141210 Granted publication date: 20060503 |