CN103107891A - Network power supply device - Google Patents
Network power supply device Download PDFInfo
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- CN103107891A CN103107891A CN2011103719817A CN201110371981A CN103107891A CN 103107891 A CN103107891 A CN 103107891A CN 2011103719817 A CN2011103719817 A CN 2011103719817A CN 201110371981 A CN201110371981 A CN 201110371981A CN 103107891 A CN103107891 A CN 103107891A
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Abstract
The invention provides a network power supply device. The network power supply device comprises a power supply unit and a power using unit. The power supply unit comprises a power source unit and a first processing unit. The power source unit provides a first voltage and a second voltage, wherein the first voltage is provided with a first power and the second voltage is provided with a second power. The first processing unit detects the connecting condition of the power supply unit so as to control the power source unit to provide the first voltage. According to control signals, the first processing unit can control the power source unit to provide the second voltage. The power using unit comprises a connecting unit and a second processing unit. The connecting unit is used for connecting the power source unit and the first processing unit. The second processing unit receives the first voltage through the connecting unit, and the second processing unit provides the control signals according to the first voltage.
Description
Technical field
The present invention relates to a kind of electric supply installation, particularly a kind of network power supply device.
Background technology
Along with the expansion of Internet use, network communication is more and more important for people.The frequency range of network and online speed are also along with people's increasing and continuous lifting to network data amount demand, the audio-visual real-time broadcast till now of pure words from the beginning, black and white image, coloured image.And the function of network is no longer only also to do merely communication, people also begin to notice also can be by grid line as one of medium of powering, Ethernet power supply (Power Over Ethernet for example, POE), namely can be in Ethernet come technology on transferring electric power and data auto levelizer by twisted-pair feeder.
Because need not extra supply socket, just can use by the electronic installation (as mobile computer or desktop PC) that obtains power supply by Ethernet, so can economize time and the money of configure power line simultaneously, and then reduce the use cost of assembly.Yet, present Ethernet electric supply installation (PSEequipment) on the market, its each port (Port) maximum can only provide the 12.95W voltage of (for example 802.3af).For some high-power products (need to greater than 12.95W), the mode that can't utilize the Ethernet power supply be as start or use.Although, some product is after start is completed on the market at present, by operating system (Operation System, OS) access point (the Access Point under, AP) remove to carry out for example Link Layer Discovery Protocol (Link Layer Discovery Protocol, LLDP), make the Ethernet electric supply installation that the voltage of 25.5W is provided.Thus, still can't obtain in real time the voltage of higher-wattage in the situation that product is not started shooting, and reduce the convenience that uses.
Summary of the invention
In view of above problem, the object of the present invention is to provide a kind of network power supply device, use at power device when not starting shooting, obtain the supply power voltage of higher-wattage, to increase the convenience that uses.
A kind of network power supply device of the present invention comprises power supply unit and power unit.Power supply unit comprises power subsystem and the first processing unit.Power subsystem is in order to provide the first voltage with first power and the second voltage with second power.The first processing unit couples power subsystem, in order to detect the connection status of power supply unit, provides the first voltage to control power subsystem, and according to control signal, provides second voltage to control power subsystem.Power unit comprises linkage unit and the second processing unit.Linkage unit is suitable for connecting power subsystem and the first processing unit.The second processing unit couples linkage unit, receives the first voltage by linkage unit, and foundation the first voltage is to provide control signal.
In one embodiment, aforementioned control signal comprises the agreement code.
In one embodiment, aforementioned power unit also comprises memory body.Memory body couples the second processing unit, in order to store the agreement code.
In one embodiment, aforementioned the second processing unit comprises memory body, in order to store the agreement code.
In one embodiment, aforementioned this second processing unit also provides one to switch signal according to second voltage, and power unit also comprises switch element and voltage conversion unit.Switch element couples linkage unit and the second processing unit, in order to the foundation switching signal, with conducting or cut-off switch unit.Voltage conversion unit couples switch element, in order to when the switch element conducting, converts second voltage to operating voltage output.
A kind of network power supply device of the present invention, when being connected with power unit by power supply unit, utilize the processing unit of power unit to detect and obtain the first voltage with first power, so that the processing unit of control signal to power supply unit to be provided, and then the power subsystem of controlling power supply unit provides the second voltage with second power.Thus, can make the intraware of power unit use second voltage to start shooting and enter normal operation, to increase the convenience that uses.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the block diagram of network power supply device of the present invention;
Fig. 2 is the block diagram of another network power supply device of the present invention.
Wherein, Reference numeral
100 network power supply devices
110 power supply units
120 power subsystems
130,170 processing units
150 power units
160 linkage units
171,210 memory bodys
180 switch units
190 voltage conversion units
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are done concrete description:
Please refer to shown in Figure 1ly, it is the block diagram of network power supply device of the present invention.The present embodiment network power supply device 100 is suitable for Ethernet power supply (Power over Ethernet, POE).Network power supply device 100 comprises power supply unit 110 and power unit 150.Power supply unit 110 can be Ethernet power supply unit (PES Equipment), and power unit 150 can be electronic installation, for example flat computer, mobile computer or desktop PC.
Aforesaid control signal can have an agreement code, for example Link Layer Discovery Protocol (Link LayerDiscovery Protocol, LLDP) firmware (firmware) code (FW code).And after processing unit 130 receives the control signal with aforementioned protocols code, make processing unit 130 and 170 complete the communication of Link Layer Discovery Protocol, so that controlling power subsystem 120, processing unit 130 provide second voltage (to have the second power, 25.5W), for intraware and the normal operation of power unit 150.
In the present embodiment, processing unit 170 can comprise memory body 171, is also to be built in processing unit 170 in memory body 171.Memory body 171 is in order to store aforementioned agreement code.Also namely, processing unit 170 receives the first voltage and after operating, just can read out the aforementioned protocols code from memory body 171, and utilizes control signal that this agreement code transmission is caused processing unit 130, to carry out follow-up running.In another embodiment, power unit 150 can comprise memory body 210, as shown in Figure 2.Memory body 210 couples processing unit 170, in order to store the aforementioned protocols code.Memory body 210 was arranged with processing unit in 170 minutes, and namely memory body 210 is connected with processing unit 170 in external mode.
In addition, power unit 150 also includes switch element 180 and voltage conversion unit 190.Switch element 180 couples linkage unit 160 and processing unit 170, the switching signal that produces in order to foundation processing unit 170, and conducting or cut-off switch unit 180.For instance, when processing unit 170 does not detect and receives second voltage, can for example produce the switching signal of low logic current potential, make switch element 170 disconnect, to disconnect being connected between unit 160 and voltage conversion unit 190; When processing unit 170 detects and receives second voltage, can for example produce the switching signal of high logic current potential, make the switch element conducting, linkage unit 160 is connected with voltage conversion unit 190.
The network power supply device of embodiments of the invention, when it is connected with power unit by power supply unit, utilize the processing unit of power unit to detect and obtain the first voltage with first power, so that control signal with the agreement code processing unit to power supply unit to be provided, and then the power subsystem of controlling power supply unit provides the second voltage with second power.Thus, can make the intraware of power unit use second voltage to start shooting and enter normal operation, to increase the convenience that uses.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1. a network power supply device, is characterized in that, comprising:
One power supply unit comprises:
One power subsystem is in order to provide one first voltage with at least one first power and the second voltage with one second power; And
One first processing unit couples this power subsystem, in order to detect the connection status of this power supply unit, provides this first voltage to control this power subsystem, and according to a control signal, provides this second voltage to control this power subsystem; And
One power unit comprises:
One linkage unit is suitable for connecting this power subsystem and this first processing unit; And
One second processing unit couples this linkage unit, in order to receiving this first voltage by this linkage unit, and according to this first voltage so that this control signal to be provided.
2. network power supply device according to claim 1, is characterized in that, this control signal comprises an agreement code.
3. network power supply device according to claim 2, is characterized in that, this power unit also comprises a memory body, couples this second processing unit, in order to store this agreement code.
4. network power supply device according to claim 2, is characterized in that, this second processing unit comprises a memory body, in order to store this agreement code.
5. network power supply device according to claim 1, is characterized in that, this second processing unit also provides one to switch signal according to this second voltage, and this power unit also comprises:
One switch element couples this linkage unit and this second processing unit, in order to according to this switching signal, with conducting or disconnect this switch element; And
One voltage conversion unit couples this switch element, in order to when this switch element conducting, converts this second voltage to an operating voltage output.
6. network power supply device according to claim 1, is characterized in that, this power supply unit is an Ethernet power supply unit.
7. network power supply device according to claim 1, is characterized in that, this power unit is an electronic installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103719817A CN103107891A (en) | 2011-11-10 | 2011-11-10 | Network power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103719817A CN103107891A (en) | 2011-11-10 | 2011-11-10 | Network power supply device |
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| Publication Number | Publication Date |
|---|---|
| CN103107891A true CN103107891A (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011103719817A Pending CN103107891A (en) | 2011-11-10 | 2011-11-10 | Network power supply device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9401821B2 (en) | 2013-07-16 | 2016-07-26 | Alpha Networks Inc. | Powered device, power supply system, and operation mode selection method |
| WO2017092390A1 (en) * | 2015-11-30 | 2017-06-08 | 中兴通讯股份有限公司 | Power supply control method and apparatus for communication network |
| CN110830266A (en) * | 2018-08-08 | 2020-02-21 | 悦达科技股份有限公司 | Power supply switching management method, network equipment and power supply switching management module |
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| CN101305546A (en) * | 2005-11-10 | 2008-11-12 | 美高森美股份有限公司-模拟混合信号集团有限公司 | Enhanced classification for power over ethernet |
| CN102075330A (en) * | 2009-11-19 | 2011-05-25 | 一硕科技股份有限公司 | Long-distance PoE power supply equipment and method |
| US20110125341A1 (en) * | 2009-11-23 | 2011-05-26 | Linear Technology Corporation | Providing power to powered device having multiple power supply inputs |
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2011
- 2011-11-10 CN CN2011103719817A patent/CN103107891A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101305546A (en) * | 2005-11-10 | 2008-11-12 | 美高森美股份有限公司-模拟混合信号集团有限公司 | Enhanced classification for power over ethernet |
| CN102075330A (en) * | 2009-11-19 | 2011-05-25 | 一硕科技股份有限公司 | Long-distance PoE power supply equipment and method |
| US20110125341A1 (en) * | 2009-11-23 | 2011-05-26 | Linear Technology Corporation | Providing power to powered device having multiple power supply inputs |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9401821B2 (en) | 2013-07-16 | 2016-07-26 | Alpha Networks Inc. | Powered device, power supply system, and operation mode selection method |
| WO2017092390A1 (en) * | 2015-11-30 | 2017-06-08 | 中兴通讯股份有限公司 | Power supply control method and apparatus for communication network |
| CN106816866A (en) * | 2015-11-30 | 2017-06-09 | 中兴通讯股份有限公司 | Communication network method for controlling power supply and device |
| CN106816866B (en) * | 2015-11-30 | 2021-03-26 | 中兴通讯股份有限公司 | Power supply control method and device for communication network |
| CN110830266A (en) * | 2018-08-08 | 2020-02-21 | 悦达科技股份有限公司 | Power supply switching management method, network equipment and power supply switching management module |
| CN110830266B (en) * | 2018-08-08 | 2021-08-17 | 悦达科技股份有限公司 | Power supply switching management method, network equipment and power supply switching management module |
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Application publication date: 20130515 |