CN100377418C - Method for extending accumulator power supply time - Google Patents

Method for extending accumulator power supply time Download PDF

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Publication number
CN100377418C
CN100377418C CNB2004100868260A CN200410086826A CN100377418C CN 100377418 C CN100377418 C CN 100377418C CN B2004100868260 A CNB2004100868260 A CN B2004100868260A CN 200410086826 A CN200410086826 A CN 200410086826A CN 100377418 C CN100377418 C CN 100377418C
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China
Prior art keywords
base station
storage battery
power supply
voltage
power
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Expired - Fee Related
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CNB2004100868260A
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Chinese (zh)
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CN1767257A (en
Inventor
文承伟
李丰
汪顺利
周振宇
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Global Innovation Polymerization LLC
Gw Partnership Co ltd
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Huawei Technologies Co Ltd
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Publication of CN100377418C publication Critical patent/CN100377418C/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a method for prolonging the electricity supplying time of a storage battery. The storage battery is used for supplying electricity in a base station and is provided with at least three threshold value voltages according to the discharge characteristic of the storage battery, wherein one threshold value voltage is a blackout voltage v <d>, and other threshold value voltages are both greater than the blackout voltage v <d>. The discharge voltage V <f> output by the storage battery is detected and is compared with every threshold value voltage to judge the discharge capacity reduction of the storage battery and hierarchical regulation total power consumption. Because the hierarchical regulation total power consumption is used, the present invention can prolong the electricity supplying time of the storage battery. As long as V <f> is greater than V <d>, base station important load electricity supply is reserved, and the service time of personal communication business in mobile users in a base station coverage residential area is prolonged.

Description

Prolong the storage battery power supply time method
Technical field
The present invention relates to communication equipment and adopt storage battery power supply, particularly relate to a kind of storage battery power supply time method that is used to prolong.
Background technology
At present, the outdoor version macro base station in the communication system generally all is equipped with storage battery, so that after the Alternating Current Power Supply outage, continues as the macro base station power supply by storage battery, to ensure the proper communication of communication system.
See also Fig. 1, the networking of existing base station is adopted in the chain communication mode, controls a plurality of base stations by a base station controller.Wherein, connect successively until base station N-1, base station N in base station controller, base station 1, base station 2.Base station 1 is directly with base station controller communication; Base station 2 connects base station 1, and passes through base station 1 with base station controller communication; Base station 3 connects base station 2, and communicates by letter with base station controller by base station 2, base station 1; By that analogy, connecting base station N-1, base station N-2 until base station N communicates by letter with base station controller until base station 2, base station 1.Therefore, the base station in the communication system not only possesses the function that Personal Communications Services is provided for its coverage cell, also possesses the function that transmission channel is provided for other base stations and base station controller simultaneously.Thereby, if in the communication system in case there is a base station not interrupt transmitting because of there being sufficient power supply, communicating by letter and will be interrupted between base station and the base station controller in the whole system then.
This shows that the storage battery that the base station is equipped with must possess sufficient discharge capacity to ensure sufficient power-on time.If there is not alternating current for a long time, battery capacity emptying, the base station will not have power supply and service disconnection occur.
But in actual applications, the discharge capacity of storage battery is big more, and its volume is also just big more, causes cost correspondingly to improve simultaneously.Therefore, in view of the consideration of volume and cost, the battery discharging finite capacity that existing outdoor version macro base station is equipped with, storage battery is that the power-on time of base station is also correspondingly more limited.
In addition, according to the discharge principle of storage battery, the long-term emptying of battery capacity is prone to damage.In existing design, system detects battery discharging voltage, and (this threshold values can be set, and for the cell batteries of 2V, is set at 1.8V usually when being lower than certain cut-ff voltage Vd; For the cell batteries of 12V, be set at 10.8V usually.), system will cut off being connected of storage battery and base station.Therefore, storage battery will be more limited to the time of base station power backup.
In order to prolong the power-on time of storage battery, in actual applications by the carrier frequency of control base station, the method that reduces its transmitting power or close all carrier frequency reduces the total power consumption of base station, with the power-on time of further prolongation storage battery.
The communication base station system comprises main control unit, Base Band Unit, transmission unit, radio-frequency (RF) power amplification unit and auxiliary unit.Wherein Base Band Unit, transmission unit, main control unit are guaranteed communicating by letter of base station and base stations control, belong to important load (also claiming the second load); Radio-frequency (RF) power amplification unit and auxiliary unit belong to less important load (also claiming the principal load).
The radio-frequency (RF) power amplification unit can be divided into a plurality of power grades, and the power grade value of different base station is set according to local networks planning and optimization situation, and not heightening or turn down of power grade can influence mobile communication business, only influences network communication quality.It is bigger that the power of radio-frequency (RF) power amplification unit accounts for total base station power proportion.With the base station that disposes 6 power amplifiers is example, the about 1080W of power amplifier gross power during the full power emission, account for 70% of total base station power (about 1550W), if power amplifier power reduces 3db (50%), the power amplifier gross power is 630W, and then total base station power is 1100W, reduce by 30%, therefore can effectively reduce total base station power by the class of emission that reduces the radio-frequency (RF) power amplification unit, to prolong the charging time of storage battery
Only set a threshold value (that is threshold voltage) of storage battery output voltage in the prior art; When alternating current cut off the power supply, it was each unit power supply in the base station that storage battery at first comes with the predetermined power grade; Monitoring storage battery output voltage in case when the output voltage of storage battery is lower than threshold value, turn-off all principal loads in the base station, is only given the second electric of base station.
In a single day the output voltage that detects storage battery by said method is lower than threshold value, carrier frequency unit and power amplifier unit in the base station can all be turned off, storage battery is only given main control unit, base band and the transmission unit power supply of enable transmission, thus the power-on time that can prolong storage battery.But, in application in practice,, thereby cause the mobile subscriber's Personal Communications Services in this sub-district to be interrupted in case after carrier frequency unit in the base station and power amplifier unit can all be turned off, the mobile subscriber in the sub-district that the base station covered can't be linked into this base station.
Summary of the invention
The invention provides a kind of prolongation storage battery power supply time method, solution can improve the storage battery power supply time.
The present invention prolongs the storage battery power supply time method, and this storage battery is used for the base station power supply, according to the battery discharging characteristic three threshold voltages is set at least, and it is cut-ff voltage V that a threshold voltage is wherein arranged d, and other threshold voltages are all greater than this cut-ff voltage V dDetect the discharge voltage V of storage battery output f, compare with each threshold voltage, judge that the discharge capacity of storage battery reduces, total power consumption is regulated in classification.
Classification is regulated total power consumption by turning down emitting power grade step by step and closing the less important load in base station and realize.
Work as V f>V dThe time keep base station basic load power supply; Other threshold voltages refer to first threshold voltage V 1With the second threshold voltage V 2, and first threshold voltage V 1Greater than the second threshold voltage V 2
Described prolongation storage battery power supply time method is worked as V f>V 1>V 2, battery discharging capacity abundance, operate as normal; Work as V 1>V f>V 2, the battery discharging capacity is inadequate, reduces emitting power grade; Work as V 1>V 2>V f>V d, the battery discharging capacity is under-voltage, closes the less important load in base station; Work as V d>V f, the battery discharging capacity is in over-discharge state, and the base station all cuts off the power supply.Described emitting power grade is downgraded to 3-6db.
The present invention compared with prior art has the following advantages:
Owing to adopt classification to turn down total power consumption, prolong the storage battery power supply time;
In addition as long as V f>V dThe time keep base station important load power supply, prolong the mobile subscriber's Personal Communications Services service time in the coverage cell of base station.
Description of drawings
Fig. 1 is a base station system connection diagram in the prior art;
Fig. 2 is that the present invention prolongs embodiment schematic diagram in the storage battery power supply time method.
Embodiment
The present invention prolongs the storage battery power supply time method, and this storage battery is used for the base station power supply and it is characterized in that according to the battery discharging characteristic three threshold voltages are set at least, it is cut-ff voltage V that a threshold voltage is wherein arranged d, and other threshold voltages are all greater than this cut-ff voltage V dDetect the discharge voltage V of storage battery output f, and with each threshold voltage relatively, judge that the discharge capacity of storage battery reduces, total power consumption is regulated in classification.Work as V f>V dThe time keep base station important load power supply.Reduce total power consumption so step by step, rather than resemble and reduce total power consumption according to a threshold voltage the prior art, not only prolong the storage battery power supply time but also prolong mobile subscriber's Personal Communications Services service time in the coverage cell of base station.
Please refer to shown in Figure 2ly, initialization is provided with three threshold voltages, i.e. threshold voltage V 1, threshold voltage V 2With cut-ff voltage V dThreshold voltage choose the flash-over characteristic decision that needs according to storage battery, such as, for every joint cell batteries, generally its floating voltage is 2.23V, V dBe 1.8V, can set V 2Be 1.85V, V 1Be 1.9V.The 48V backup power supply system can be composed in series by 24 joint 2V cell batteries, and then floating voltage is 53.5V, V dBe 43.2V, V 2Be 44.4V, V 1Be 45.6V.
When alternating current cut off the power supply, when promptly detecting no Alternating Current Power Supply by the voltage detecting circuit of system, the master control module controls storage battery was the base station power supply.The voltage detecting circuit of system detects the discharge voltage V of storage battery output fWherein voltage detecting circuit is a preferred circuit, repeats no more.
With V fCompare with three threshold voltages, judge that the discharge capacity of storage battery reduces, and regulate total base station power, comprise dual mode: turn down emitting power grade with this classification; Close the less important load of base station.
State 1:V f>V 1>V 2, battery discharging capacity abundance, the base station is with level works such as normal powers.
State 2:V 1>V f>V 2, the battery discharging capacity is inadequate, and system reduces the emitting power grade of base station power amplification unit, is generally 3~6db, and this moment, the mobile communication business of base station was not interrupted, and the network communication quality influence is little.If downgrade less than 3db, the reduction of total base station power is not obvious, if downgrade greater than 6db, can have a strong impact on network communication quality.Like this, though the transmitting power of each radio-frequency (RF) power amplification unit reduces, make the scope that the base station covered reduce, the community user that makes the base station cover also remains with the frequency that can insert, thereby still can guarantee under the situation of alternating current outage, the base station can provide Personal Communications Services, to prolong Personal Communications Services service time.
State 3:V 1>V 2>V f>V dStorage battery is in under-voltage condition, the less important load in system closing base station (comprising auxiliary units such as radio-frequency (RF) power amplification unit and fan), keep important load (as transmission unit and Base Band Unit), mobile subscriber's Personal Communications Services in the coverage cell of base station is interrupted at this moment, and the communication service of base station and base station controller is normal.
State 4:Vd>Vf, storage battery is in over-discharge state, and the cut-out storage battery is connected with the base station, and the base station all cuts off the power supply.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. one kind prolongs the storage battery power supply time method, and this storage battery is used for the base station power supply, it is characterized in that according to the battery discharging characteristic three threshold voltages are set at least, it is cut-ff voltage V that a threshold voltage is wherein arranged d, and other threshold voltages are all greater than this cut-ff voltage V dDetect the discharge voltage V of storage battery output f, compare with each threshold voltage, judge that the discharge capacity of storage battery reduces, reduce the emitting power grade of base station step by step and close the less important load in base station.
2. prolongation storage battery power supply time method as claimed in claim 1 is characterized in that, works as V f>V dThe time keep base station basic load power supply.
3. prolongation storage battery power supply time method as claimed in claim 2 is characterized in that other threshold voltages refer to first threshold voltage V 1With the second threshold voltage V 2, and first threshold voltage V 1Greater than the second threshold voltage V 2
4. prolongation storage battery power supply time method as claimed in claim 3 is characterized in that,
Work as V f>V 1>V 2, battery discharging capacity abundance, operate as normal;
Work as V 1>V f>V 2, the battery discharging capacity is inadequate, reduces emitting power grade;
Work as V 1>V 2>V f>V d, the battery discharging capacity is under-voltage, closes the less important load in base station;
Work as V d>V f, the battery discharging capacity is in over-discharge state, and the base station all cuts off the power supply.
5. prolongation storage battery power supply time method as claimed in claim 4 is characterized in that emitting power grade is downgraded to 3-6db.
CNB2004100868260A 2004-10-28 2004-10-28 Method for extending accumulator power supply time Expired - Fee Related CN100377418C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11206556B2 (en) 2016-11-29 2021-12-21 Huawei Technologies Co., Ltd. Power outage processing method and connection relationship obtaining method and device

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CN101350934B (en) * 2007-07-17 2011-04-20 中兴通讯股份有限公司 Control method for secondary charging of net element equipment based on network management system
JP5307126B2 (en) 2008-05-01 2013-10-02 ホーチキ株式会社 Alarm
CN102137419A (en) * 2011-03-17 2011-07-27 华为技术有限公司 Carrier frequency regulating method, matched monitoring device, base station and system
JP5733042B2 (en) * 2011-06-14 2015-06-10 日本電気株式会社 Femtocell radio base station, communication control method and program
CN103107572B (en) * 2012-12-10 2015-08-19 惠州市亿能电子有限公司 A kind of Poewr control method of battery management system
CN104578324A (en) * 2015-02-04 2015-04-29 环旭电子股份有限公司 Battery drive device
CN110650518A (en) * 2018-06-27 2020-01-03 上海华为技术有限公司 Energy-saving method and equipment for base station equipment
CN109256836A (en) * 2018-10-18 2019-01-22 中国联合网络通信集团有限公司 A kind of lower electric control method and device
CN115514032A (en) * 2021-06-22 2022-12-23 中兴通讯股份有限公司 Power supply control method and device and electronic equipment
CN114421558B (en) * 2021-12-30 2022-08-12 金名正元(北京)科技有限公司 Intelligent power supply management method

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US5778026A (en) * 1995-04-21 1998-07-07 Ericsson Inc. Reducing electrical power consumption in a radio transceiver by de-energizing selected components when speech is not present
CN1449205A (en) * 2002-04-02 2003-10-15 深圳市中兴通讯股份有限公司上海第二研究所 Dynamic optimization method and apparatus for power control
CN1518373A (en) * 2003-01-16 2004-08-04 华为技术有限公司 Method for implementing protection mechanism for lost of power supply of base station

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US5778026A (en) * 1995-04-21 1998-07-07 Ericsson Inc. Reducing electrical power consumption in a radio transceiver by de-energizing selected components when speech is not present
CN1449205A (en) * 2002-04-02 2003-10-15 深圳市中兴通讯股份有限公司上海第二研究所 Dynamic optimization method and apparatus for power control
CN1518373A (en) * 2003-01-16 2004-08-04 华为技术有限公司 Method for implementing protection mechanism for lost of power supply of base station

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11206556B2 (en) 2016-11-29 2021-12-21 Huawei Technologies Co., Ltd. Power outage processing method and connection relationship obtaining method and device

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Effective date of registration: 20180510

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Granted publication date: 20080326

Termination date: 20211028