CN102938580B - Portable multifunctional power supply for emergency repair - Google Patents

Portable multifunctional power supply for emergency repair Download PDF

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Publication number
CN102938580B
CN102938580B CN201210488775.9A CN201210488775A CN102938580B CN 102938580 B CN102938580 B CN 102938580B CN 201210488775 A CN201210488775 A CN 201210488775A CN 102938580 B CN102938580 B CN 102938580B
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CN
China
Prior art keywords
output
bus
input
power supply
unit
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201210488775.9A
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Chinese (zh)
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CN102938580A (en
Inventor
朱银为
王福生
胡博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INFORMATION COMMUNICATION BRANCH OF NINGXIA ELECTRIC POWER Corp
State Grid Corp of China SGCC
Original Assignee
INFORMATION COMMUNICATION BRANCH OF NINGXIA ELECTRIC POWER Corp
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by INFORMATION COMMUNICATION BRANCH OF NINGXIA ELECTRIC POWER Corp, State Grid Corp of China SGCC filed Critical INFORMATION COMMUNICATION BRANCH OF NINGXIA ELECTRIC POWER Corp
Priority to CN201210488775.9A priority Critical patent/CN102938580B/en
Publication of CN102938580A publication Critical patent/CN102938580A/en
Application granted granted Critical
Publication of CN102938580B publication Critical patent/CN102938580B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates a portable multifunctional power supply for emergency repair, which is characterized by comprising a rectification unit, a first DC (direct current)-DC converter, a storage battery and an inverter, wherein the input end of the rectification unit is connected with a generator or commercial power, so that input 220V AC (alternating current) is converted into 48V DC for output; the output end of the rectification unit is connected with a DC distribution unit through a DC bus; the input end of the first DC-DC converter is connected with an automobile power supply, and the output end thereof is connected with the DC bus; the output voltage of the storage battery is 48V; the output end of the storage battery is connected with the DC bus; and the input end of the inverter is connected with the DC bus, and the output end thereof is connected with an AC distribution unit, so that 220V AC is output. The power supply provided by the invention can supply required +/-48V DC and +/-12V DC multi-path power supply output to equipment such as an optical transmitter and receiver and a switch, and can also supply stable 220V AC power supply to information network equipment.

Description

Portable multi-function emergency first-aid repair power supply
Technical field
The present invention relates to a kind of portable multi-function emergency first-aid repair power supply.
Background technology
Power of alterating and direct current is the power source of whole communication network, is the support that all communication equipments run, and it requires long-term, uninterrupted safe and stable operation.Along with the development of telecommunications, more and more higher to index requests such as communication equipment operation ratios, the long-time power failure that power circuit is caused, equipment fault and disaster tolerance or the Capability Requirement of dealing with contingencies also more and more higher; Simultaneously, load equipment electric current also constantly increases, and more causes the original system battery backup time significantly to be reduced in the renewal of equipment.Have no progeny in input power in time for equipment provides back-up source, emergency case causes having no progeny in dc source, provides temporary source rapidly, and shortening equipment robs logical speed, and the safe and stable operation for communication network has very important meaning.
But the generator output voltage generally adopted at present is unstable, is difficult to meet equipment service requirement, and cannot provides portable AC and DC stand-by power supply simultaneously.
Summary of the invention
The object of this invention is to provide a kind of portable multi-function emergency first-aid repair power supply, 48VDC and 12VDC multi-channel dc power supply both can be provided to export, stable 220VAC AC power can be provided again to export.
A kind of portable multi-function emergency first-aid repair power supply, its special feature is: comprise rectification unit, the input of this rectification unit is electrically connected with generator or city thus the 220V alternating current of input is converted to 48V direct current and exports, and the output of this rectification unit connects Direct Current Distribution Unit by dc bus; Also comprise the first DC-DC converter, the input termination automobile power source of this first DC-DC converter and it exports the aforementioned dc bus of termination; Also comprise the batteries that output voltage is 48V, the aforementioned dc bus of output termination of this batteries; Also comprise inverter, the aforementioned dc bus of input termination of this inverter and it exports termination Alternating Current Unit thus export 220V alternating current.
Also comprise the second DC-DC converter, the input termination dc bus of this second DC-DC converter and its output exports 12V direct current.
Wherein also comprise lightning protection device, one end of this lightning protection device is electrically connected with generator or city and its other end is connected with rectification unit.
Wherein rectification unit is made up of the rectification module of 4 30A.
Wherein batteries is made up of 4 joints, 12 volt of 100 ampere-hour battery.
Wherein the power of generator is 10 kilowatts.
Power supply of the present invention have employed rectification, inversion and alternating current-direct current power supply unit, additionally use the 220V input of external electric main or generator, and direct-flow storage battery or automobile 12V power supply input, both the equipment such as optical transmitter and receiver, switch that can be provides required ± 48VDC and ± 12VDC multi-channel dc power supply to export, and can be again the 220VAC AC power that information network equipment provides stable.Alternating current 220V electric energy can also be provided by the equipment such as illumination, electric tool needed for field work.The present invention flexiblely can carry out emergency repair to each communication site, the unfavorable conditions such as long-time power failure, equipment fault, accumulator capacity deficiency, natural calamity can be tackled, can replace or visual plant dual-host backup power-supply device complete machine, regular charge and discharge maintenance can also be carried out to the medium-term and long-term idle battery of microwave station of closing.When not installing in time after new accumulator arrival, discharge and recharge test can be done on the spot, and provide electric energy can also to when other field work the equipment such as illumination, electric tool.
Accompanying drawing explanation
Accompanying drawing 1 is logic theory block diagram of the present invention.
Detailed description of the invention
As shown in Figure 1, the present invention is a kind of portable multi-function emergency first-aid repair power supply, comprise rectification unit, the input of this rectification unit is electrically connected with generator or city thus the 220V alternating current of input is converted to 48V direct current and exports, and the output of this rectification unit connects Direct Current Distribution Unit by dc bus; Also comprise the first DC-DC converter, the input termination automobile power source of this first DC-DC converter and it exports the aforementioned dc bus of termination; Also comprise the batteries that output voltage is 48V, the aforementioned dc bus of output termination of this batteries; Also comprise inverter, the aforementioned dc bus of input termination of this inverter and it exports termination Alternating Current Unit thus export 220V alternating current.Also comprise the second DC-DC converter, the input termination dc bus of this second DC-DC converter and its output exports 12V direct current.
Wherein also comprise lightning protection device, one end of this lightning protection device is electrically connected with generator or city and its other end is connected with rectification unit.Wherein rectification unit is made up of the rectification module of 4 30A, and batteries is made up of 4 joints, 12 volt of 100 ampere-hour battery, and the power of generator is 10 kilowatts.
Lightning protection unit in the present invention is used to release the proterctive equipment of thunder and lightning, by equipment ground terminal access machine room the earth during work.Rectification unit is made up of four rectification modules, and 220V alternating current is carried out rectification, exports the 48V direct current needed for miscellaneous equipment, simultaneously accumulators group electric energy supplement.Inversion unit becomes 220V alternating current for illumination, electric tool 48V DC power conversion.Two DC-DC converter are made up of 12V DC-DC converter and 48V DC-DC converter respectively, 48V DC-DC converter becomes 48V direct current automobile 12V DC power conversion, be used for supplementary batteries electric energy and use under small-sized load condition, 12V DC/DC converter becomes 12V direct current the 48V DC power conversion of batteries, is used for supply portion communication equipment and the network equipment to use.Direct Current Distribution Unit and Alternating Current Unit are used for the combined-voltage exported, and opening through alternating current-direct current sky needs for difference according to load shunt output.

Claims (1)

1. a portable multi-function emergency first-aid repair power supply, it is characterized in that: comprise rectification unit, the input of this rectification unit is electrically connected with generator or city thus the 220V alternating current of input is converted to 48V direct current and exports, and the output of this rectification unit connects Direct Current Distribution Unit by dc bus;
Also comprise the first DC-DC converter, the input termination automobile power source of this first DC-DC converter and it exports the aforementioned dc bus of termination;
Also comprise the batteries that output voltage is 48V, the aforementioned dc bus of output termination of this batteries;
Also comprise inverter, the aforementioned dc bus of input termination of this inverter and it exports termination Alternating Current Unit thus export 220V alternating current;
Direct Current Distribution Unit and Alternating Current Unit are used for the combined-voltage exported, and opening through alternating current-direct current sky needs for difference according to load shunt output;
Also comprise the second DC-DC converter, the input termination dc bus of this second DC-DC converter and its output exports 12V direct current, being used for supply portion communication equipment and the network equipment uses;
Wherein also comprise lightning protection device, one end of this lightning protection device is electrically connected with generator or city and its other end is connected with rectification unit;
Wherein rectification unit is made up of the rectification module of 4 30A;
Wherein batteries is made up of 4 joints, 12 volt of 100 ampere-hour battery;
Wherein the power of generator is 10 kilowatts.
CN201210488775.9A 2012-11-27 2012-11-27 Portable multifunctional power supply for emergency repair Expired - Fee Related CN102938580B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210488775.9A CN102938580B (en) 2012-11-27 2012-11-27 Portable multifunctional power supply for emergency repair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210488775.9A CN102938580B (en) 2012-11-27 2012-11-27 Portable multifunctional power supply for emergency repair

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CN102938580A CN102938580A (en) 2013-02-20
CN102938580B true CN102938580B (en) 2015-04-29

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105515643B (en) * 2015-11-27 2019-02-22 上海电力学院 A kind of trunk optical fiber communication network reliability appraisal procedure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1790864A (en) * 2004-12-13 2006-06-21 新巨企业股份有限公司 Stand-by power supply with AC-DC power input
CN101552543A (en) * 2009-01-08 2009-10-07 广州金升阳科技有限公司 Multi-path input alternating/direct current hybrid power supply
CN201839195U (en) * 2010-11-05 2011-05-18 湖南丰日电源电气股份有限公司 AC-DC dual-purpose high-voltage DC power supply system
CN102185358A (en) * 2011-05-24 2011-09-14 深圳茂硕电子科技有限公司 Simple and practical movable uninterruptible power supply
CN202276284U (en) * 2011-11-04 2012-06-13 四川阿海珐电气有限公司 Electric power-used AC/DC integrated power supply device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006246616A (en) * 2005-03-03 2006-09-14 Nec Corp Uninterruptible power supply
CN201312129Y (en) * 2008-08-06 2009-09-16 中国移动通信集团甘肃有限公司 Mobile edge base station power supply system
CN201383691Y (en) * 2009-02-23 2010-01-13 河北超创电子科技有限公司 Mobile emergency direct current power supply device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1790864A (en) * 2004-12-13 2006-06-21 新巨企业股份有限公司 Stand-by power supply with AC-DC power input
CN101552543A (en) * 2009-01-08 2009-10-07 广州金升阳科技有限公司 Multi-path input alternating/direct current hybrid power supply
CN201839195U (en) * 2010-11-05 2011-05-18 湖南丰日电源电气股份有限公司 AC-DC dual-purpose high-voltage DC power supply system
CN102185358A (en) * 2011-05-24 2011-09-14 深圳茂硕电子科技有限公司 Simple and practical movable uninterruptible power supply
CN202276284U (en) * 2011-11-04 2012-06-13 四川阿海珐电气有限公司 Electric power-used AC/DC integrated power supply device

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