CN102710011B - A kind of uninterrupted power supply POE device - Google Patents
A kind of uninterrupted power supply POE device Download PDFInfo
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- CN102710011B CN102710011B CN201210195803.8A CN201210195803A CN102710011B CN 102710011 B CN102710011 B CN 102710011B CN 201210195803 A CN201210195803 A CN 201210195803A CN 102710011 B CN102710011 B CN 102710011B
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- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 15
- 238000010276 construction Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 4
- 230000005693 optoelectronics Effects 0.000 description 4
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Abstract
The present invention proposes a kind of uninterrupted power supply POE device, input power occurs during for solving the work of existing POE device and interrupts affecting the problem that Ethernet equipment normally works.Uninterrupted power supply POE device comprises: DC UPS, comprise AC/DC conversion module, the battery management module be connected with described AC/DC conversion module, the battery be connected with described battery management module, the DC/DC conversion module that is connected with described AC/DC conversion module and described battery management module respectively, and the auxiliary power interface be connected with described DC/DC conversion module; Data netting twine output interface, is connected with described AC/DC conversion module and described battery management module respectively; Data netting twine input interface, is connected with described data netting twine output interface.Beneficial effect of the present invention: no matter stabilized input voltage or instability, can ensure the output voltage stabilization of data netting twine output interface and auxiliary power interface.
Description
Technical field
The present invention relates to Power over Ethernet (PowerOverEthernet; POE) field, refers to a kind of uninterrupted power supply POE device especially.
Background technology
Ethernet is powered (PowerOverEthernet; POE) be a kind of technology by Ethernet winding thread (also netting twine can be called for short) transferring electric power, for directly powering to Ethernet equipment such as the networking telephone, radio base station, network camera, hubs by Ethernet, do not need other power line, and do not need the cable framework changing Ethernet.Now commercially meet the POE device of 802.3AF standard or 802.3AT standard, its inside is by the DC power supply of AC/DC converter (or AC/DC converter of outside) or outside), data netting twine input interface and the data netting twine output interface that is compounded with direct current 48V power supply form.During this POE device work, if its input power, namely exchange or DC power supply, when input power failure or input voltage too low (input voltage range lower than it normally works), data netting twine output interface will be caused to be with Ethernet equipment to quit work, after restoring electricity, data netting twine output interface is with Ethernet equipment can restart again, go round and begin again, this situation the lighter can cause Ethernet equipment cisco unity malfunction, severe one causes Ethernet equipment eventual failure, and existing POE device itself does not have power fail warning function, cause and search Ethernet equipment fault reason difficulty, maintenance cost improves.
Summary of the invention
The present invention proposes a kind of uninterrupted power supply POE device, and input power interruption occurs when to solve in prior art the work of POE device can be affected Ethernet equipment and normally to work and to the hurtful problem of Ethernet equipment.
Technical scheme of the present invention is achieved in that
A kind of uninterrupted power supply POE device, comprising:
DC UPS, comprise AC/DC conversion module, the battery management module be connected with described AC/DC conversion module, the battery be connected with described battery management module, the DC/DC conversion module that is connected with described AC/DC conversion module and described battery management module respectively, and the auxiliary power interface be connected with described DC/DC conversion module;
Data netting twine output interface, is connected with described AC/DC conversion module and described battery management module respectively;
Data netting twine input interface, is connected with described data netting twine output interface.
Further, described battery management module comprises:
Constant current or current limliting floating charge unit, be connected with described AC/DC conversion module and described battery respectively;
Battery switch unit, is connected with described constant current or current limliting floating charge unit, described battery, described data netting twine output interface and described DC/DC conversion module respectively.
Further, described battery management module also comprises:
Cell voltage power shortage processing unit, is connected with described battery switch unit;
Cell voltage detection unit, is connected with described cell voltage power shortage processing unit and described battery respectively.
Further, described battery management module also comprises:
Battery undervoltage Alarm Unit, is connected with described cell voltage detection unit;
Described DC UPS also comprises:
Alarm output interface, is connected with described battery undervoltage Alarm Unit;
AC dump detecting unit, is connected with described AC/DC conversion module and described alarm output interface respectively.
Further, described battery management module also comprises:
Battery alarm voltage preinstall apparatus, is connected with described battery undervoltage Alarm Unit.
Preferably, described battery alarm voltage preinstall apparatus is toggle switch.
Further, described auxiliary power interface comprise in DC12V interface, DC24V interface, DC48V interface and the DC220V interface be connected with described DC/DC conversion module any one or multiple.
Beneficial effect of the present invention is:
1, no matter this uninterrupted power supply POE device is at input power stable power-supplying or when there is the various spread of voltages such as power-off, voltage die, voltage sag, the output voltage of data netting twine output interface and the output voltage stabilization of auxiliary power interface can be ensured, efficiently solve the data netting twine output interface of original POE device with Ethernet equipment because input power is unstable, frequent power down powers on and cause the problem of job insecurity, avoid Ethernet equipment therefore to cause damage, even the danger of eventual failure.
2, the constant current of this uninterrupted power supply POE device or current limliting floating charge unit, can prevent self-discharge of battery, increase depth of charge simultaneously; Battery switch unit switches to battery when not only can there is the situation of the various spread of voltages such as power-off, voltage die, voltage sag at input power to data netting twine output interface and powers, and can protect battery, prevents battery from occurring overdischarge.
3, the cell voltage power shortage processing unit of this uninterrupted power supply POE device and cell voltage detection unit, can, when the cut-ff voltage of the real work voltage of battery lower than battery request, make battery quit work, thus form protection to battery.
4, the battery undervoltage Alarm Unit of this uninterrupted power supply POE device is all connected with alarm output interface with AC dump detecting unit, realize battery undervoltage alarm and AC dump alarm, make Ethernet equipment operation maintenance from blindly becoming active warning, dramatically reduce labour intensity and the difficulty of attendant, shorten preventive maintenance time, decrease human resources, greatly maintenance cost saving.
5, the battery alarm voltage preinstall apparatus of this uninterrupted power supply POE device, the distance of attendant according to maintenance locations, the time of arrival maintenance locations can be made, the magnitude of voltage of battery undervoltage alarm is set voluntarily, make Ethernet plant maintenance more timely, ensure the normal operation of Ethernet equipment, also can provide necessary foundation for the recruitment time of reasonable arrangement attendant simultaneously.
6, the auxiliary power interface of this uninterrupted power supply POE device, can provide 12V, 24V, 48V, 220V one or more DC power supply wherein stable output.
7, utilize this uninterrupted power supply POE device building WLAN, general UPS is utilized (to refer to and exchange input here with normally used in present WLAN construction, exchange the UPS exported) centrally connected power supply, broadband case is transferred to again with optoelectronic composite cable, the common POE device exporting 48V through inner AC/DC conversion again in the case of broadband drives AP (AccessPoint, wireless access points) compare, greatly can reduce use amount and the construction cost of optoelectronic composite cable, make construction greatly easy simultaneously, it can utilize existing electric transmission network in local power taking and can realize stable power-supplying, be very easy to the installation construction based on Ethernet and Ethernet equipment, operation maintenance works.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of a kind of uninterrupted power supply POE of the present invention device embodiment 1;
Fig. 2 is the structured flowchart of a kind of uninterrupted power supply POE of the present invention device embodiment 2;
Fig. 3 is the structured flowchart of a kind of uninterrupted power supply POE of the present invention device embodiment 3;
Fig. 4 is the structured flowchart of a kind of uninterrupted power supply POE of the present invention device embodiment 4;
Fig. 5 is the structured flowchart of a kind of uninterrupted power supply POE of the present invention device embodiment 5;
Fig. 6 is the structured flowchart of a kind of uninterrupted power supply POE of the present invention device embodiment 6.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, in the first embodiment of a kind of uninterrupted power supply POE of the present invention device, uninterrupted power supply POE device comprises:
DC UPS, comprise AC/DC conversion module, the battery management module be connected with AC/DC conversion module, the battery be connected with battery management module, the DC/DC conversion module that is connected with AC/DC conversion module and battery management module respectively, and the auxiliary power interface be connected with DC/DC conversion module;
Data netting twine output interface, is connected with AC/DC conversion module and battery management module respectively;
Data netting twine input interface, is connected with data netting twine output interface.
During work, convert alternating current is direct current by the AC/DC conversion module of DC UPS, and for data netting twine output interface and DC/DC conversion module provide direct current 48V power supply, DC/DC conversion module exports auxiliary power interface to by after direct current 48V power conversion; Battery management module is charged to battery when AC/DC conversion module has and exchanges input, is carried out discharging etc. management when AC/DC conversion module does not exchange input to battery.
No matter this uninterrupted power supply POE device is at input power stable power-supplying or when there is the various spread of voltages such as power-off, voltage die, voltage sag, the output voltage of data netting twine output interface and the output voltage stabilization of auxiliary power interface can be ensured, efficiently solve the data netting twine output interface of original POE device with Ethernet equipment because input power is unstable, frequent power down powers on and cause the problem of job insecurity, avoid Ethernet equipment therefore to cause damage, even the danger of eventual failure.
As shown in Figure 2, in another embodiment of a kind of uninterrupted power supply POE of the present invention device, battery management module comprises:
Constant current or current limliting floating charge unit, be connected with AC/DC conversion module and battery respectively;
Battery switch unit, is connected with constant current or current limliting floating charge unit, battery, data netting twine output interface and DC/DC conversion module respectively.
During work, AC/DC conversion module is charged to battery by constant current or current limliting floating charge unit when having and exchanging input, AC/DC conversion module battery switch unit when not exchanging input makes battery carry out electric discharge to power for data netting twine output interface and DC/DC conversion module.
The constant current of this uninterrupted power supply POE device or current limliting floating charge unit, can prevent self-discharge of battery, increase depth of charge simultaneously; Battery switch unit switches to battery when not only can there is the situation of the various spread of voltages such as power-off, voltage die, voltage sag at input power to data netting twine output interface and powers, and can protect battery, prevents battery from occurring overdischarge.
As shown in Figure 3, in another embodiment of a kind of uninterrupted power supply POE of the present invention device, battery management module also comprises:
Cell voltage power shortage processing unit, is connected with battery switch unit;
Cell voltage detection unit, is connected with cell voltage power shortage processing unit and battery respectively.
During work, cell voltage detection unit detects in real time to cell voltage, when cut-ff voltage lower than battery request of the real work voltage of battery, feeds back to battery switch unit, make battery stop electric discharge by cell voltage power shortage processing unit.
The cell voltage power shortage processing unit of this uninterrupted power supply POE device and cell voltage detection unit, can, when the cut-ff voltage of the real work voltage of battery lower than battery request, make battery quit work, thus form protection to battery.
As shown in Figure 4, in another embodiment of a kind of uninterrupted power supply POE of the present invention device,
Battery management module also comprises:
Battery undervoltage Alarm Unit, is connected with cell voltage detection unit;
DC UPS also comprises:
Alarm output interface, is connected with battery undervoltage Alarm Unit;
AC dump detecting unit, is connected with AC/DC conversion module and alarm output interface respectively.
During work, when cell voltage detection unit detects that cell voltage reaches preset value, battery undervoltage Alarm Unit can carry out alarm, and is sent a warning message by alarm output interface, warning information comprises the information such as IP address, thus can locate quickly and accurately; When AC dump detecting unit detects that AC/DC conversion module does not exchange input, also can carry out alarm, and be sent a warning message by alarm output interface.
The battery undervoltage Alarm Unit of this uninterrupted power supply POE device is all connected with alarm output interface with AC dump detecting unit, realize battery undervoltage alarm and AC dump alarm, make Ethernet equipment operation maintenance from blindly becoming active warning, dramatically reduce labour intensity and the difficulty of attendant, shorten preventive maintenance time, decrease human resources, greatly maintenance cost saving.
As shown in Figure 5, in another embodiment of a kind of uninterrupted power supply POE of the present invention device, battery management module also comprises:
Battery alarm voltage preinstall apparatus, is connected with battery undervoltage Alarm Unit.
By battery alarm voltage preinstall apparatus, the threshold value that battery undervoltage Alarm Unit carries out alarm can be adjusted.
Wherein, preferably, battery alarm voltage preinstall apparatus is toggle switch.
The battery alarm voltage preinstall apparatus of this uninterrupted power supply POE device, the distance of attendant according to maintenance locations, the time of arrival maintenance locations can be made, the magnitude of voltage of battery undervoltage alarm is set voluntarily, make Ethernet plant maintenance more timely, ensure the normal operation of Ethernet equipment, also can provide necessary foundation for the recruitment time of reasonable arrangement attendant simultaneously.
As shown in Figure 6, in another embodiment of a kind of uninterrupted power supply POE of the present invention device, auxiliary power interface comprise in DC12V interface, DC24V interface, DC48V interface and the DC220V interface be connected with DC/DC conversion module any one or multiple.
Wherein, the 48V DC power supply that AC/DC conversion module or battery provide by DC/DC conversion module be transformed to direct current 12V to DC12V interface, direct current 24V to DC24V interface and direct current 220V to DC220V interface, DC/DC does not convert the 48V DC power supply that AC/DC conversion module or battery provide, and directly exports to DC48V interface.
The auxiliary power interface of this uninterrupted power supply POE device, can provide 12V, 24V, 48V, 220V one or more DC power supply wherein stable output, thus extend range of application, more Ethernet equipment is normally worked.
In addition, utilize this uninterrupted power supply POE device building WLAN, general UPS is utilized (to refer to and exchange input here with normally used in present WLAN construction, exchange the UPS exported) centrally connected power supply, broadband case is transferred to again with optoelectronic composite cable, the common POE device exporting 48V through inner AC/DC conversion again in the case of broadband drives AP (AccessPoint, wireless access points) compare, greatly can reduce use amount and the construction cost of optoelectronic composite cable, make construction greatly easy simultaneously, it can utilize existing electric transmission network in local power taking and can realize stable power-supplying, be very easy to the installation construction based on Ethernet and Ethernet equipment, operation maintenance works.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a uninterrupted power supply POE device, is characterized in that, comprising:
DC UPS, comprise AC/DC conversion module, the battery management module be connected with described AC/DC conversion module, the battery be connected with described battery management module, the DC/DC conversion module that is connected with described AC/DC conversion module and described battery management module respectively, and the auxiliary power interface be connected with described DC/DC conversion module;
Data netting twine output interface, is connected with described AC/DC conversion module and described battery management module respectively;
Data netting twine input interface, is connected with described data netting twine output interface;
Wherein, described battery management module comprises:
Constant current or current limliting floating charge unit, be connected with described AC/DC conversion module and described battery respectively;
Battery switch unit, is connected with described constant current or current limliting floating charge unit, described battery, described data netting twine output interface and described DC/DC conversion module respectively.
2. uninterrupted power supply POE device according to claim 1, it is characterized in that, described battery management module also comprises:
Cell voltage power shortage processing unit, is connected with described battery switch unit;
Cell voltage detection unit, is connected with described cell voltage power shortage processing unit and described battery respectively.
3. uninterrupted power supply POE device according to claim 2, is characterized in that,
Described battery management module also comprises:
Battery undervoltage Alarm Unit, is connected with described cell voltage detection unit;
Described DC UPS also comprises:
Alarm output interface, is connected with described battery undervoltage Alarm Unit;
AC dump detecting unit, is connected with described AC/DC conversion module and described alarm output interface respectively.
4. uninterrupted power supply POE device according to claim 3, it is characterized in that, described battery management module also comprises:
Battery alarm voltage preinstall apparatus, is connected with described battery undervoltage Alarm Unit.
5. uninterrupted power supply POE device according to claim 4, is characterized in that, described battery alarm voltage preinstall apparatus is toggle switch.
6. uninterrupted power supply POE device according to claim 5, is characterized in that, described auxiliary power interface comprise in DC12V interface, DC24V interface, DC48V interface and the DC220V interface be connected with described DC/DC conversion module any one or multiple.
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Families Citing this family (8)
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US9385562B2 (en) * | 2013-12-19 | 2016-07-05 | Btu Research Llc | System and method for supplying uninterruptible power to a PoE device |
CN104113041B (en) * | 2014-05-30 | 2017-03-29 | 西安电子科技大学 | A kind of under-voltage protecting circuit for POE |
CN104052144B (en) * | 2014-06-23 | 2016-08-24 | 武汉烽火众智数字技术有限责任公司 | A kind of electric supply installation with POE power supply and accessory power supply backup |
CN105337403A (en) * | 2015-11-27 | 2016-02-17 | 广州中海达卫星导航技术股份有限公司 | Network GNSS receiver power source system and control method thereof |
CN106410955B (en) * | 2016-10-28 | 2019-03-22 | 北京航天控制仪器研究所 | One kind being used for gravimetric uninterrupted power supply circuit |
CN107342871A (en) * | 2017-07-05 | 2017-11-10 | 广州市金宏骏科技工程有限公司 | A kind of POE electric supply installations and method |
CN110231508A (en) * | 2019-07-09 | 2019-09-13 | 和记奥普泰通信技术有限公司 | Packetizing OTN, PTN, IPRAN, SPN and PON device looses power alarm detection method |
CN111245088B (en) | 2020-01-23 | 2021-05-14 | 京东方科技集团股份有限公司 | Power supply device, electronic equipment and power supply control method |
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