CN104067478B - Method of supplying power to and control equipment - Google Patents
Method of supplying power to and control equipment Download PDFInfo
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- CN104067478B CN104067478B CN201280002086.0A CN201280002086A CN104067478B CN 104067478 B CN104067478 B CN 104067478B CN 201280002086 A CN201280002086 A CN 201280002086A CN 104067478 B CN104067478 B CN 104067478B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
A kind of method of supplying power to and control equipment.This method of supplying power to includes: when civil power stops powering for base station, controls accumulator access and powers (S201) for base station；When the supply voltage of accumulator reaches charging voltage threshold value, control accumulator and stop powering for base station, control oil machine simultaneously and be that base station powers and be that accumulator charges (S202)；Civil power according to precognition again for base station power moment, the power consumption of base station and the information calculating accumulator of accumulator be base station power civil power again power for base station time the first electricity of being filled with of needs and oil machine be accumulator charge to the first electricity time corresponding very first time point (S203)；Control oil machine the very first time point stop for accumulator charging, stop powering for base station, and control accumulator access power (S204) for base station.This method of supplying power to and control equipment can intelligent, reduce working time of oil machine with becoming more meticulous, thus reducing the oil consumption of oil machine.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of method of supplying power to and control equipment.
Background technology
Telecom operators adopt oil electricity combined power supply way be base station power time, by seamless switching base station powered with realization that cooperates of civil power, accumulator and oil machine.
Adopting this kind of power supply mode, in the process of work, there is the problem that oil consumption is high in oil machine.
Summary of the invention
In view of this, embodiments provide a kind of method of supplying power to and control equipment, by calculating accumulator be base station power civil power again power for base station time the required electricity being filled with and oil machine be accumulator charge to this electricity time corresponding time point, to control the above-mentioned time point stopping of oil machine for accumulator charging, and stop powering for base station, thus reducing the purpose of oil consumption.
In first aspect, it is provided that a kind of method of supplying power to, the method comprises the following steps:
When civil power stops powering for base station, control accumulator access and power for described base station；
When the supply voltage of described accumulator reaches charging voltage threshold value, control described accumulator and stop powering for described base station, control oil machine simultaneously and be that described base station powers and be that described accumulator is charged；
Civil power according to precognition again for base station power moment, the power consumption of described base station and the information of described accumulator calculate described accumulator be described base station power civil power again power for base station time the first electricity of being filled with of needs and described oil machine be described accumulator charge to the first electricity time corresponding very first time point；
Control described oil machine the described very first time point stop for described accumulator charging, stop powering for described base station, and control described accumulator access power for described base station.
In second aspect, it is provided that a kind of electric controller, this equipment includes:
Control unit, when stopping powering for base station for civil power, controls accumulator access and powers for described base station；
Described control unit, is additionally operable to when the supply voltage of described accumulator reaches charging voltage threshold value, controls described accumulator and stops powering for described base station, controls oil machine simultaneously and is that described base station powers and is that described accumulator is charged；
Computing unit, for according to the civil power of precognition again for base station power moment, the power consumption of described base station and the information of described accumulator calculate described accumulator be described base station power civil power again power for base station time the first electricity of being filled with of needs and described oil machine be described accumulator charge to the first electricity time corresponding very first time point；
Described control unit, is additionally operable to control described oil machine and stops for the charging of described accumulator, stopping powering for described base station at point of the described very first time, and controls described accumulator and access and power for described base station.
Utilize method of supplying power to provided by the invention and control equipment, control oil machine be base station power and be accumulator charge process in, by calculating accumulator be base station power need when civil power is powered for base station again the electricity that is filled with and oil machine be accumulator charge to this electricity time corresponding time point, according to result of calculation, control oil machine to stop charging for accumulator at above-mentioned time point, stop powering for base station simultaneously, make oil machine be not necessary for accumulator and charge to electricity saturation, thus it is intelligent, the working time of the minimizing oil machine become more meticulous, to reduce the purpose of oil machine oil consumption.
Accompanying drawing explanation
Fig. 1 is it is that civil power of the prior art, accumulator, oil machine cooperate the schematic diagram that base station is powered；
Fig. 2 executes the flow chart of a kind of method of supplying power to that example provides for the present invention；
The schematic diagram one that base station is powered by the method for supplying power to that Fig. 3 provides for utilizing the embodiment of the present invention；
The schematic diagram two that base station is powered by the method for supplying power to that Fig. 4 provides for utilizing the embodiment of the present invention；
The schematic diagram three that base station is powered by the method for supplying power to that Fig. 5 provides for utilizing the embodiment of the present invention；
A kind of electric controller structural representation that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail.
As it is shown in figure 1, its to be civil power of the prior art, accumulator, oil machine cooperate schematic diagram that base station is powered.
Under civil power, the electricity time is shorter, switching accumulator is that base station is powered, if civil power powers on before accumulator reaches charging threshold value, then need not start oil machine is that base station powers.If when accumulator reaches charging threshold value, civil power does not also power on, then starting oil machine is that base station powers, until civil power powers on, civil power is that base station powers, and charges for accumulator simultaneously.
Under civil power, the electricity time is longer, first switching accumulator is that base station is powered, and when accumulator reaches charging threshold value, civil power does not also power on, then starting oil machine is that base station powers, and charges for accumulator simultaneously.When the electricity of accumulator reaches capacity value, oil machine quits work, and switching accumulator is that base station is powered again, circulates with this, until civil power powers on, civil power is that base station powers, and charges for accumulator simultaneously.
It can be seen that oil machine is in the process of work from such scheme, that power to base station it is also desirable to charge for accumulator, thus result in the problem that oil consumption is high.
As in figure 2 it is shown, the flow chart of its a kind of method of supplying power to provided for the embodiment of the present invention, the executive agent of this method of supplying power to is electric controller, and this method of supplying power to comprises the following steps:
Step S201, when civil power stops powering for base station, controls accumulator access and powers for base station.
If before the supply voltage of accumulator is not up to charging voltage threshold value, civil power is powered for base station again, then control accumulator and stop powering for base station.
If the supply voltage in accumulator reaches charging voltage threshold value, civil power still stops powering for base station, then perform step S202.
Step S202, when the supply voltage of accumulator reaches charging voltage threshold value, controls accumulator and stops powering for base station, controls oil machine simultaneously and is that base station powers and is that accumulator is charged.
When the supply voltage of accumulator reaches charging voltage threshold value, power seamless switching for being embodied as base station, needing to start oil machine is that base station powers, charge for accumulator simultaneously, to ensure when civil power stops powering for base station for a long time, when accumulator charges to saturation, it is possible to replace with base station with oil machine and power, reduce the working time of oil machine, to reduce oil consumption.
Step S203, according to the civil power of precognition again for base station power moment, the power consumption of base station and the information calculating accumulator of accumulator be base station power civil power again power for base station time the first electricity of being filled with of needs and oil machine be accumulator charge to the first electricity time corresponding very first time point.
When civil power stops powering for base station, mains system can be informed the moment that electric controller civil power is powered for base station again in advance.Electric controller can calculate oil machine for this accumulator fills how many electricity according to moment, the power consumption of base station and the information of accumulator that the civil power of precognition is powered for base station again, can make accumulator is that base station supplies power to civil power and powers on, and calculate oil machine be accumulator charge so far electricity time corresponding time point.
First electricity is that described base station powers when civil power is powered for base station again and needs the minimum electricity that is filled be more than or equal to described accumulator, preferably, first electricity is accumulator is that base station powers the minimum electricity that civil power needs when again powering for base station to be filled with, namely when civil power be base station again power time, the supply voltage of accumulator reaches charging voltage threshold value just, the shortest time of such oil machine work, the oil consumption of its saving is maximum.
Wherein, battery information includes the information such as capacitance of storage, life-span, operating temperature.Above-mentioned information is more accurate more detailed, then the electricity calculated is more accurate.
Step S204, control oil machine the very first time point stop for accumulator charging, stop powering for base station, and control accumulator access power for described base station.
It is that base station powers in very first time point control accumulator so that oil machine is not necessary for accumulator and charges to saturation and just can quit work, it is possible to effectively reduce oil consumption.
If it should be noted that civil power stop time of powering for base station longer time, it is necessary to first control accumulator and alternately power for base station with oil machine, until very first time point.Then, stop powering for base station in very first time point control oil machine, stop as accumulator charging, and to control accumulator be that base station powers.If in the process that accumulator and oil machine are alternately powered for base station, accumulator be base station power time civil power start again to power for base station, then the stopping of control accumulator is powered for base station, it is not necessary to restart oil machine.
In actual power supply scene, it is possible to there will be following several situation:
First, civil power again for base station power moment and the civil power of precognition again for base station moment of powering identical, then controlling accumulator to access at very first time point and supply power to civil power for base station and again power the moment for base station, now the supply voltage of accumulator reaches charging voltage thresholding just.As it is shown on figure 3, the schematic diagram one that base station is powered by its method of supplying power to provided for utilizing the embodiment of the present invention.Wherein, A point for oil machine be accumulator charge to the first electricity time corresponding very first time point, the working curve of battery when dotted line in battery curve is utilize prior art to power for base station, the solid line started from A point is in these cases, the working curve of battery when utilizing method of supplying power to provided by the invention to power for base station, the working curve of oil machine when dotted line in oil machine curve is utilize prior art to power for base station, the time that the method for supplying power to oil machine that black bars provides for utilizing the present embodiment is saved.It can thus be seen that in these cases, utilize the method for supplying power to that the present embodiment provides, the shortest time of oil machine work, it is possible to reduce oil consumption to greatest extent.
Second, civil power is powered for base station moment and the very first time of being later than point early than the civil power of precognition again for base station moment of powering again, then controlling accumulator to access at very first time point and supply power to civil power for base station and again power the moment for base station, now the supply voltage of accumulator is not up to charging voltage threshold value.As shown in Figure 4, the schematic diagram two that base station is powered by its method of supplying power to provided for utilizing the embodiment of the present invention.Wherein, A point for oil machine be accumulator charge to the first electricity time corresponding very first time point, the working curve of battery when dotted line in battery curve is utilize prior art to power for base station, the solid line started from A point is in these cases, the working curve of battery when utilizing method of supplying power to provided by the invention to power for base station, the working curve of oil machine when dotted line in oil machine curve is utilize prior art to power for base station, the time that the method for supplying power to oil machine that black bars provides for utilizing the present embodiment is saved.As seen from Figure 4, in these cases, the method for supplying power to that the present embodiment provides is utilized, it is possible to reduce the time of oil machine work is thus reducing oil consumption.
3rd, civil power powers the moment early than very first time point for base station again, then the working time of oil machine is same as the prior art, but will not increase oil consumption.
4th, civil power is again later than the civil power of precognition again powers the moment for base station for base station moment of powering, and controlling accumulator is that base station supplies power to supply voltage and reaches charging voltage threshold value, and then controlling to restart oil machine is that base station powers and for accumulator charging.For avoiding when starting oil machine because time delay makes into base station power failure, then to arrange overdischarge voltage threshold.When battery electric quantity reaches charging voltage threshold value, civil power is not also powered for base station, then reach to complete between overdischarge voltage threshold to start oil machine at battery tension.As it is shown in figure 5, the schematic diagram three that base station is powered by its method of supplying power to provided for utilizing the embodiment of the present invention.Wherein, A point for oil machine be accumulator charge to the first electricity time corresponding very first time point, the working curve of battery when dotted line in battery curve is utilize prior art to power for base station, the solid line started from A point is in these cases, the working curve of battery when utilizing method of supplying power to provided by the invention to power for base station, the working curve of oil machine when dotted line in oil machine curve is utilize prior art to power for base station, the working curve of oil machine when the method for supplying power to that solid line in oil machine curve provides for utilizing the present embodiment is powered for base station, the time that the method for supplying power to oil machine that black bars provides for utilizing the present embodiment is saved.As seen from Figure 5, in these cases, the method for supplying power to that the present embodiment provides is utilized, while it is desirable to restart oil machine, but stopped oil machine work before this in advance, still can reduce the working time of oil machine, effectively reduce oil consumption.
This shows, utilize the method for supplying power to that the present embodiment provides, when civil power stops powering for base station for a long time, by calculating accumulator be base station power need when civil power is powered for base station again the electricity that is filled with and oil machine be accumulator charge to this electricity time corresponding time point, oil machine is quit work at this time point, can intelligent, working time of minimizing oil machine of becoming more meticulous, thus reducing oil consumption.
The embodiment of the present invention provides the device embodiment realizing each step and method in said method embodiment further.As shown in Figure 6, its a kind of electric controller structural representation provided for the embodiment of the present invention.This electric controller includes: control unit 610 and computing unit 620.
Control unit 610 is for when civil power stops powering for base station, controlling accumulator access and power for base station.
Before if the supply voltage in accumulator is not up to charging voltage threshold value, civil power is powered for base station again, then control unit 610 be additionally operable to control accumulator stop power for base station.
If the supply voltage in accumulator reaches charging voltage threshold value, civil power still stops powering for base station, then control unit 610 be additionally operable to control accumulator stop power for base station, simultaneously control oil machine be base station power and be accumulator charge.
Computing unit 620 for according to the civil power of precognition again for base station power moment, the power consumption of base station and the information calculating accumulator of accumulator be base station power civil power again power for base station time the first electricity of being filled with of needs and oil machine be accumulator charge to the first electricity time corresponding very first time point.
When civil power stops powering for base station, mains system can inform the moment that computing unit 620 civil power is powered for base station again in advance.Moment, the power consumption of base station and the information of accumulator that computing unit 620 is powered for base station again according to the civil power of precognition calculate oil machine for this accumulator fills how many electricity, can make accumulator is that base station supplies power to civil power and powers on, and calculate oil machine be accumulator charge so far electricity time corresponding time point.
Control unit 610 be additionally operable to control oil machine the very first time point stop power for base station, and control accumulator access power for base station.
If it should be noted that civil power stop time of powering for base station longer time, control unit 610 first controls accumulator and replaces with oil machine and power for base station, until very first time point.Then, control oil machine at very first time point control unit 610 and stop powering for base station, stop as accumulator charging, and to control accumulator be that base station powers.If in the process that accumulator and oil machine are alternately powered for base station, accumulator be base station power time civil power start again to power for base station, then control unit 610 controls accumulator stopping and powering for base station, it is not necessary to restart oil machine.
Further, when civil power again for base station power moment and the civil power of precognition again for base station power the moment identical time, control unit 610 controls oil machine and stops powering for base station at very first time point, and control accumulator and access at very first time point and supply power to civil power for base station and again power the moment for base station, now the supply voltage of accumulator reaches charging voltage thresholding just.In this case, the shortest time of oil machine work, it is possible to reduce oil consumption to greatest extent.
When civil power again for base station power the moment early than precognition civil power again for base station power moment and the very first time of being later than put time, control unit 610 controls oil machine and stops powering for base station at very first time point, and control accumulator and access at very first time point and supply power to actual civil power for base station and again power the moment for base station, now the supply voltage of accumulator is not up to charging voltage threshold value.In this case, the working time of oil machine can still be reduced, it is possible to effectively reduce oil consumption.
When civil power is again later than the civil power of precognition again powers the moment for base station for base station moment of powering, control unit 610 controls oil machine and stops powering for base station at very first time point, and to control accumulator be that base station supplies power to supply voltage and reaches charging voltage threshold value.Therefore control unit 610 be additionally operable to control oil machine precognition civil power again for base station power the moment again power for base station and for accumulator charging.In this case, while it is desirable to restart oil machine, but stopped oil machine work before this in advance, still can reduce the working time of oil machine, effectively reduce oil consumption.
This shows, utilize the method for supplying power to that the present embodiment provides, when civil power stops powering for base station for a long time, by calculating accumulator be base station power need when civil power is powered for base station again the electricity that is filled with and oil machine be accumulator charge to this electricity time corresponding time point, oil machine is quit work at this time point, can intelligent, working time of minimizing oil machine of becoming more meticulous, thus reducing oil consumption.
Utilize a kind of electric controller that the embodiment of the present invention provides, by calculating accumulator be base station power need the electricity that is filled with when civil power is powered for base station again and charge to this electricity for accumulator time corresponding time point, control oil machine to quit work at this time point, can effectively reduce the working time of oil machine, thus minimizing oil consumption intelligent, that become more meticulous.
Professional should further appreciate that, the unit of each example described in conjunction with the embodiments described herein and algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate the interchangeability of hardware and software, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention.
Through the above description of the embodiments, those skilled in the art is it can be understood that can realize with hardware to the present invention, or firmware realizes, or their compound mode realizes.When implemented in software, it is possible to above-mentioned functions is stored in computer-readable medium or is transmitted as the one or more instructions on computer-readable medium or code.Computer-readable medium includes computer-readable storage medium and communication media, and wherein communication media includes being easy to any medium of transmission computer program from a place to another place.Storage medium can be any usable medium that computer can access.As example but be not limited to: computer-readable medium can include RAM, ROM, EEPROM, CD-ROM or other optical disc storage, magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store the desired program code with instruction or data structure form can by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.Such as, if software be use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DSL) or such as infrared ray, radio and microwave etc wireless technology from website, server or other remote source, then the wireless technology of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave etc include affiliated medium fixing in.As used in the present invention, dish (Disk) and dish (disc) include compression laser disc (CD), laser dish, laser disc, Digital Versatile Disc (DVD), floppy disk and Blu-ray Disc, the duplication data of the usual magnetic of its mid-game, dish then carrys out the duplication data of optics with laser.Above combination above should also be as including within the protection domain of computer-readable medium.
In a word, the foregoing is only the preferred embodiment of technical solution of the present invention, be not intended to limit protection scope of the present invention.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a method of supplying power to, it is characterised in that described method includes:
When civil power stops powering for base station, control accumulator access and power for described base station；
When the supply voltage of described accumulator reaches charging voltage threshold value, control described accumulator and stop powering for described base station, control oil machine simultaneously and be that described base station powers and be that described accumulator is charged；
Civil power according to precognition again for base station power moment, the power consumption of described base station and the information of described accumulator calculate described accumulator be described base station power civil power again power for base station time the first electricity of being filled with of needs and described oil machine be described accumulator charge to the first electricity time corresponding very first time point；
Control described oil machine the described very first time point stop for described accumulator charging, stop powering for described base station, and control described accumulator access power for described base station.
2. method according to claim 1, it is characterised in that described first electricity is that described base station powers when civil power is powered for base station again and needs the minimum electricity that is filled be more than or equal to described accumulator.
3. method according to claim 1, it is characterised in that the described accumulator of described control access power for described base station particularly as follows:
When civil power again for base station power moment and the civil power of described precognition again for base station power the moment identical time, control described accumulator and access and supply power to civil power for described base station and again power the moment for base station.
4. method according to claim 1, it is characterised in that the described accumulator of described control access power for described base station particularly as follows:
When civil power again for base station power the moment early than the civil power of described precognition again power for base station moment and the very first time of being later than some time, control described accumulator and access and supply power to civil power again power the moment for base station for described base station.
5. method according to claim 1, it is characterized in that, when civil power is again later than the civil power of described precognition again powers the moment for base station for base station moment of powering, the described accumulator of described control accesses powers for described base station particularly as follows: control described accumulator and access and supply power to supply voltage for described base station and reach charging voltage threshold value；
Described method also includes: controls described oil machine and again again charges for described accumulator for base station moment of powering at the civil power of precognition, and powers for described base station.
6. according to the arbitrary described method of claim 1-5, it is characterised in that described battery information include following information at least one: capacitance of storage, life-span, operating temperature.
7. an electric controller, it is characterised in that described equipment includes:
Control unit, for when civil power stops powering for base station, controlling accumulator access and power for described base station；
Described control unit, is additionally operable to when the supply voltage of described accumulator reaches charging voltage threshold value, controls described accumulator and stops powering for described base station, controls oil machine simultaneously and is that described base station powers and is that described accumulator is charged；
Computing unit, for according to the civil power of precognition again for base station power moment, the power consumption of described base station and the information of described accumulator calculate described accumulator be described base station power civil power again power for base station time the first electricity of being filled with of needs and described oil machine be described accumulator charge to the first electricity time corresponding very first time point；
Described control unit, is additionally operable to control described oil machine and stops for the charging of described accumulator, stopping powering for described base station at point of the described very first time, and controls described accumulator and access and power for described base station.
8. equipment according to claim 7, it is characterized in that, when civil power again for base station power moment and the civil power of described precognition again for base station power the moment identical time, described control unit stops as the charging of described accumulator specifically for controlling described oil machine at point of the described very first time, stop powering for described base station, and to control that described accumulator accesses be that described base station supplies power to civil power and again powers the moment for base station.
9. equipment according to claim 7, it is characterized in that, when civil power again for base station power the moment early than described precognition civil power again for base station power the moment and the very first time of being later than some time, described control unit stops as the charging of described accumulator specifically for controlling described oil machine at point of the described very first time, stop powering for described base station, and to control that described accumulator accesses be that described base station supplies power to civil power and again powers the moment for base station.
10. equipment according to claim 7, it is characterized in that, when civil power is again later than the civil power of described precognition again powers the moment for base station for base station moment of powering, described control unit stops as the charging of described accumulator specifically for controlling described oil machine at point of the described very first time, stop powering for described base station, and to control that described accumulator accesses be that described base station supplies power to supply voltage and reaches charging voltage threshold value；
Described control unit is additionally operable to control described oil machine and again again charges for described accumulator for base station moment of powering at the civil power of precognition, and powers for described base station.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/086814 WO2014094222A1 (en) | 2012-12-18 | 2012-12-18 | Power supply method and control device |
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| Publication Number | Publication Date |
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| CN104067478A CN104067478A (en) | 2014-09-24 |
| CN104067478B true CN104067478B (en) | 2016-06-29 |
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| CN201280002086.0A Active CN104067478B (en) | 2012-12-18 | 2012-12-18 | Method of supplying power to and control equipment |
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| WO (1) | WO2014094222A1 (en) |
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| CN106304418A (en) * | 2016-08-03 | 2017-01-04 | 成都昊普环保技术有限公司 | A kind of base station equipment is powered method of discrimination and system |
| CN107706953B (en) * | 2016-08-09 | 2019-12-13 | 中国移动通信集团湖北有限公司 | Base station power supply method and device |
| CN113890188A (en) * | 2021-09-14 | 2022-01-04 | 广州瀚信通信科技股份有限公司 | Oil engine commanding and dispatching system, method and device based on 5G network |
| CN116321240B (en) * | 2023-05-25 | 2023-12-01 | 武汉一龙技术有限公司 | Remote oil engine power generation monitoring system of communication base station |
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- 2012-12-18 CN CN201280002086.0A patent/CN104067478B/en active Active
- 2012-12-18 WO PCT/CN2012/086814 patent/WO2014094222A1/en active Application Filing
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| CN101728839A (en) * | 2008-10-13 | 2010-06-09 | 华为技术有限公司 | Method and device for controlling charge and discharge of storage battery in base station |
| CN101741111A (en) * | 2008-11-05 | 2010-06-16 | 苏州工业园区新大诚科技发展有限公司 | Solar power supply device for communication base station |
| CN202004531U (en) * | 2011-03-04 | 2011-10-05 | 四川科威信息工程有限公司 | Oil engine self-starting and power supply switching device for mobile base station |
| CN102545365A (en) * | 2011-12-30 | 2012-07-04 | 华为技术有限公司 | Generator control method and device and communication base station |
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| Publication number | Publication date |
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| WO2014094222A1 (en) | 2014-06-26 |
| CN104067478A (en) | 2014-09-24 |
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