CN107732332B - Telecommunication base station battery dormancy and air conditioner cooperative control method and system - Google Patents
Telecommunication base station battery dormancy and air conditioner cooperative control method and system Download PDFInfo
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- CN107732332B CN107732332B CN201710818751.8A CN201710818751A CN107732332B CN 107732332 B CN107732332 B CN 107732332B CN 201710818751 A CN201710818751 A CN 201710818751A CN 107732332 B CN107732332 B CN 107732332B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A telecommunication base station battery dormancy and air conditioner cooperative control method and system, the method includes detecting the state of the battery, when detecting that the battery charging capacity exceeds the set proportion value S1 of the previous discharging capacity or detecting that the battery charging current is less than the set value C1, controlling the battery to enter dormancy; and controlling the battery to exit from the sleep mode when the set condition is detected. The telecommunication base station battery dormancy and air conditioner cooperative control method adopts the dormancy technology in the intermittent battery charging, reduces the floating charge time, improves the environmental temperature range in the base station and prolongs the service life of the battery. In addition, the intelligent battery dormancy control module and the infrared controller are used for controlling the air conditioner in the telecommunication base station, so that the air conditioner and the battery are cooperatively controlled, the refrigeration requirement of a machine room is reduced, the operating temperature of the base station is maintained by 24 hours in the past, the starting time of the air conditioner is reduced by 2/3, the operating time of a compressor is reduced by 40%, the energy consumption and the failure occurrence probability of the air conditioner are reduced, the maintenance cost of the air conditioner is saved, and the service life of the air conditioner is prolonged.
Description
Technical Field
The invention relates to the field of telecommunication base station battery control, in particular to a telecommunication base station battery dormancy and air conditioner cooperative control method and system.
Background
With the development of communication construction, the number of communication base stations is gradually increased, 380V/220V commercial power is generally introduced into the base stations, and then power is supplied to each device of the base stations after AC/DC conversion and voltage reduction; and the base station uses a valve-controlled lead-acid battery or a lithium iron phosphate battery and other storage batteries as a backup power supply, and can support the base station to continuously work for a period of time after the mains supply is powered off.
the equipment in the base station generally comprises wireless communication equipment, transmission equipment, power supply equipment and a storage battery, wherein in the aspect of working temperature, the working temperature of the wireless communication equipment is mostly rated as-5-55 ℃, the highest working temperature range is 50 ℃, the working temperature of the transmission equipment is mostly rated as 0-45 ℃, and the highest working temperature can reach 60 ℃; the requirements of a high-frequency switching power supply system and an alternating current distribution box in power supply equipment on the environmental temperature are not high, and the power supply system and the alternating current distribution box can normally work at the temperature of-5-40 ℃; however, the nominal service temperature of the storage battery is only 25 ℃, and the service life of the storage battery is reduced by about half when the ambient temperature exceeds 25 ℃ and is increased by 10 ℃ every time when the ambient temperature is operated for a long time, and the main reasons are that the excessive ambient temperature causes the internal water loss of the valve-controlled sealed battery to be aggravated, and the saturation of the electrolyte is reduced (the electrolyte in the glass fiber cotton diaphragm is reduced), so that the capacity of the battery is reduced and the service life of the battery is shortened. On the other hand, the thermal runaway effect of the storage battery is aggravated due to overhigh environmental temperature, so that the corrosion rate of the positive plate of the storage battery is aggravated, the deformation and expansion of the polar plate, the bulging and even cracking of the battery shell and the like are caused, the capacity of the battery is reduced rapidly, and the service life of the battery is shortened. In addition, the charging and discharging of the storage battery have corresponding chemical reactions, and besides the main reaction, side reactions such as oxygen recombination and corrosion are factors influencing the service life of the storage battery: (1) float charging at high temperature is the main cause of battery failure: side reactions are accelerated under the high temperature condition, so that the battery loses water, the plate grid is corroded, thermal runaway is caused, and finally the battery loses efficacy; (2) float under the normal temperature and fill for a long time, also influence battery life: the oxygen recombination reaction is not 100 percent recombination, the water loss is serious after a long time, and the service life is terminated early.
In a word, ensuring that the working environment temperature of the storage battery is proper is a key factor for prolonging the service life of the storage battery, and an air conditioner for adjusting the temperature in the base station is necessary. In order to ensure the working temperature of the battery, the air conditioner has large refrigeration requirement, uninterrupted stalling and high energy consumption and failure rate, and the service life of the air conditioner is also influenced. According to the statistical analysis of the existing data, the average electricity charge of each base station air conditioner accounts for about 54 percent of the electricity charge of the whole base station, and the air conditioner becomes the main electricity utilization equipment in a base station machine room. The demand of the total power consumption of the base station is increasing, and the reduction of the power consumption and the reduction of the expenditure of the electric charge become the concern of the communication company.
Disclosure of Invention
The application provides a method for cooperatively controlling the battery dormancy and the air conditioner of a telecommunication base station, which can prolong the service life of the battery and the air conditioner, reduce energy consumption and save electricity consumption on the one hand, and also provide a control system adopting the control method on the other hand.
In order to achieve the purpose, the invention adopts the technical scheme that: a telecommunication base station battery dormancy and air conditioner cooperative control method comprises the following steps:
detecting the state of the battery;
When the charging capacity of the battery is detected to exceed the set proportional value S1 of the previous discharging capacity or the charging current of the battery is detected to be smaller than the set value C1, the battery is controlled to enter the sleep mode;
Controlling the battery to exit from sleep when any one of the following conditions is detected:
When the battery is fully charged and the battery is switched into a supplementary power mode after reaching the preset sleep time t 1;
when the switching power supply carries out equalizing charge in the equalizing charge period;
After a power on during a power outage.
In a preferred embodiment, the method further comprises detecting an ambient temperature;
when the ambient temperature is detected to be lower than a set value T1 and the battery is in a dormant state, controlling the air conditioner to be turned off;
and when the ambient temperature is higher than a set value T2, controlling the air conditioner to be started.
in a preferred embodiment, the set ratio value S1 is in the range of 102% to 108%; the set value C1 was 0.005C.
In a preferred embodiment, the predetermined sleep time t1 is 20 hours; the electricity supplementing time of the electricity supplementing mode is 4 hours.
In a preferred embodiment, the set point T1 for the ambient temperature is 32 ℃; the set point T2 for the ambient temperature was 35 ℃.
According to another aspect of the present invention, the present invention further provides a telecommunication base station battery dormancy and air conditioner cooperative control system, including:
a battery dormancy control module for detecting the state of the battery,
When the charging capacity of the battery is detected to exceed the set proportional value S1 of the previous discharging capacity or the charging current of the battery is detected to be smaller than the set value C1, the battery is controlled to enter the sleep mode;
When the battery is detected to be full and is switched to a power supplement mode after reaching the preset sleep time t1, when the switch power supply carries out equalizing charge in an equalizing charge period, or under any condition after power failure and power supply, the battery is controlled to exit the sleep;
And the switching power supply is used for charging the battery.
in a preferred embodiment, the system further comprises:
The temperature detection module is used for detecting the ambient temperature;
The infrared controller is used for controlling the on-off of the air conditioner according to the received battery state signal of the battery dormancy control module and the ambient temperature signal, and controlling the air conditioner to be turned off when the ambient temperature is detected to be lower than a set value T1 and the battery is in the dormancy state; and controlling the air conditioner to be started when the ambient temperature is higher than a set value T2.
In a preferred embodiment, the battery dormancy control module and the infrared controller are in RS485 communication connection.
in a preferred embodiment, the set ratio value S1 is in the range of 102% to 108%; the set value C1 is 0.005C; the preset sleep time t1 is 20 hours; the electricity supplementing time of the electricity supplementing mode is 4 hours.
in a preferred embodiment, the set point T1 for the ambient temperature is 32 ℃; the set point T2 for the ambient temperature was 35 ℃.
Has the advantages that: the telecommunication base station battery dormancy and air conditioner cooperative control method adopts the dormancy technology in the intermittent battery charging, reduces the floating charge time, improves the environmental temperature range in the base station and prolongs the service life of the battery; the intelligent battery dormancy control module and the infrared controller are added to control the air conditioner in the telecommunication base station, so that the air conditioner and the battery are cooperatively controlled, the refrigeration requirement of a machine room is reduced, the air conditioner maintains the working temperature of the base station by 24 hours before, the starting time of the air conditioner is reduced by 2/3, the running time of a compressor is reduced by 40%, the energy consumption and the fault occurrence probability of the air conditioner are reduced, the maintenance cost of the air conditioner is saved, and the service life of the air conditioner is prolonged.
Drawings
FIG. 1 is a flow chart of a method for coordinating control of battery dormancy and air conditioning in a telecommunication base station;
Fig. 2 is a schematic structural diagram of a cooperative control system for battery dormancy and air conditioning of a telecommunication base station.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The terms "connected" and "coupled" when used herein, unless otherwise indicated, include both direct and indirect connections (couplings).
in order to solve the problems of service life shortening caused by improper charging of a battery and energy saving and consumption reduction of an air conditioner in the prior art, the invention provides a method for cooperatively controlling the battery dormancy and the air conditioner of a telecommunication base station, which comprises the steps of detecting the state of the battery as shown in figure 1;
When the charging capacity of the battery is detected to exceed the set proportional value S1 of the previous discharging capacity or the charging current of the battery is detected to be smaller than the set value C1, the battery is controlled to enter the sleep mode;
controlling the battery to exit from sleep when any one of the following conditions is detected:
When the battery is fully charged and the battery is switched into a supplementary power mode after reaching the preset sleep time t 1;
when the switching power supply carries out equalizing charge in the equalizing charge period;
After a power on during a power outage.
The recharging mode is a recharging mode, in which the battery generally needs to be recharged after sleeping for a period of time due to the self-discharging effect of the battery itself.
The float charging and the even charging are charging modes of the battery, and the float charging means that when the battery is in a full-charging state, the charger does not stop charging, and can still provide constant float charging voltage and small float charging current for supplying the battery, because once the charger stops charging, the battery naturally releases electric energy, and therefore the natural discharging is balanced by the float charging mode. The uniform charging means that the battery is charged in a constant current and constant time mode, and the charging is fast. The charging mode, which is often used when a professional maintainer maintains the battery, also facilitates activation of the battery chemistry.
The switching power supply has the function of periodically and uniformly charging the battery, and when the battery reaches the uniform charging period, the battery is uniformly charged, and the charging time is the uniform charging time.
further, the control method of the invention also comprises the steps of detecting the ambient temperature, and controlling the air conditioner to be closed when the ambient temperature is detected to be lower than a set value T1 and the battery is in a dormant state; and when the ambient temperature is higher than a set value T2, controlling the air conditioner to be started.
preferably, the range of the set proportion value S1 is 102% -108% in the process of entering the sleep control in the embodiment; the charging current set value C1 is 0.005C. The system monitors the service state of the battery in real time, namely whether the battery is in a floating charge state, a uniform charge state or a discharge state, if the proportion value of the charging electric quantity of the battery exceeding the previous discharging electric quantity reaches 102-108 percent or the charging current of the battery is detected to be less than 0.005C, the battery can be considered to be fully charged, the battery is controlled to enter a dormant state, and the problems that the battery floats repeatedly and charges for too long time and the service life of the battery is influenced are avoided.
In the embodiment, the preset sleep time t1 is 20 hours in the process of exiting the sleep control, the power supplementing time in the power supplementing mode is 4 hours, and the selection of the specific preset sleep time t1 and the power supplementing time can be adaptively and intelligently adjusted according to the temperature and the aging condition of the battery.
as can be seen from the above, for the sleep control of the battery, when one of the above three conditions occurs, the battery exits from the sleep state.
The oxygen recombination reaction and grid corrosion under the floating charge state are one of the main reasons for the dehydration and the early failure of the battery, and experiments prove that the floating charge time of the whole service cycle of the battery can be reduced by over 79 percent through the dormancy control of the battery, so that the service life of the battery is greatly prolonged.
in addition, it is preferable for the control of the air conditioner to preliminarily control the ambient temperature to 32 to 35 ℃ during the sleep of the battery, that is, to set the set value T1 of the ambient temperature of the base station to 32 ℃ and the set value T2 to 35 ℃ in consideration of the stability (not higher than 40 ℃) of the operation of the base station main device and the transmission device, and this operation control set temperature is adjustably set according to the actual situation, that is, the air conditioner control keeps the current state without adjustment when the ambient temperature is within the range of 32 to 35 ℃, but once the ambient temperature in the base station is lower than 32 ℃ and the battery is in the sleep state, if the air conditioner is in the working state at that time, an instruction may be issued to control the air conditioner to turn off; when the ambient temperature in the base station is higher than 35 ℃, if the air conditioner is in a closed state at the moment, the air conditioner needs to be controlled to be started.
the air-conditioning control temperature (base station ambient temperature) selected in this embodiment is no longer based on 24-26 ℃, and the ambient temperature can be set to 32-35 ℃ or more by more than 79% of the float charging time of the battery. According to experimental test experience values, the energy is saved by 7% when the air conditioner refrigeration control temperature is increased by 1 ℃, and a remarkable energy-saving effect can be obtained by increasing the air conditioner refrigeration control temperature.
As shown in fig. 2, according to another aspect of the present invention, the present invention further provides a control system using the above telecommunication base station battery dormancy and air conditioner cooperative control method, including:
a battery dormancy control module 3, configured to detect a state of the battery 1, so as to control whether the battery is dormant according to a usage state thereof:
when the charging capacity of the battery is detected to exceed the set proportional value S1 of the previous discharging capacity or the charging current of the battery is detected to be smaller than the set value C1, the battery is controlled to enter the sleep mode;
when the battery is detected to be full and is switched to a power supplement mode after reaching the preset sleep time t1, when the switch power supply carries out equalizing charge in an equalizing charge period, or under any condition after power failure and power supply, the battery is controlled to exit the sleep;
and the switching power supply 4 is connected with the battery dormancy control module 3 and the battery 1 and is used for charging the battery 1 and supplying power to the battery dormancy control module 3.
preferably, the telecommunication base station battery dormancy and air conditioner cooperative control system of the embodiment further includes a temperature detection module 6 for detecting the ambient temperature, and an infrared controller 5 in communication connection with the battery dormancy control module 3, wherein the infrared controller 5 is used for controlling the on-off of the air conditioner 2 according to the ambient temperature and the state of the battery, and controlling the air conditioner to be turned off when the ambient temperature is detected to be lower than the set value T1 and the battery is in the dormancy state; and controlling the air conditioner to be started when the ambient temperature is higher than a set value T2.
Preferably, the battery sleep control module 3 and the infrared controller 5 are in RS485 communication connection, which is not limited to this communication connection mode and can be adjusted according to actual situations. The battery sleep control module 3 is a conventional technology and will not be described in detail herein.
In this embodiment, the range of the set ratio value S1, the set value C1, the preset sleep time T1, the power supply time of the power supply mode, and the set values T1 and T1 of the ambient temperature are all the same as those of the above-mentioned method for cooperatively controlling the battery sleep and the air conditioner of the telecommunication base station, and are not described herein again.
the invention is insensitive to the ambient temperature during the battery dormancy, so the invention cooperates with the air conditioner 2 to work by the linkage infrared controller 5, improves the ambient temperature control range in the base station, reduces the refrigeration of the air conditioner and reduces the energy consumption.
The telecommunication base station battery dormancy and air conditioner cooperative control method adopts the dormancy technology in the intermittent battery charging process, and the intelligent battery dormancy control module and the infrared controller are added to control the air conditioner in the telecommunication base station, so that the starting time of the air conditioner is greatly reduced on the basis of maintaining the working temperature of the base station, the working time of the air conditioner is reduced while the service life of the battery is prolonged, the energy is greatly saved, and the service life of the air conditioner is prolonged.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (9)
1. a telecommunication base station battery dormancy and air conditioner cooperative control method is characterized by comprising the following steps:
detecting the state of the battery;
When the charging capacity of the battery is detected to exceed the set proportional value S1 of the previous discharging capacity or the charging current of the battery is detected to be smaller than the set value C1, the battery is controlled to enter the sleep mode; the range of the set proportion value S1 is 102-108%; the set value C1 is 0.005C;
Controlling the battery to exit from sleep when any one of the following conditions is detected:
when the battery is fully charged and the battery is switched into a supplementary power mode after reaching the preset sleep time t 1;
when the switching power supply carries out equalizing charge in the equalizing charge period;
After a power on during a power outage.
2. The method for controlling the cooperation of battery dormancy and air conditioning of a telecommunication base station as claimed in claim 1, wherein the method further comprises:
Detecting the ambient temperature;
When the ambient temperature is detected to be lower than a set value T1 and the battery is in a dormant state, controlling the air conditioner to be turned off;
and when the ambient temperature is higher than a set value T2, controlling the air conditioner to be started.
3. The cooperative control method for battery dormancy and air conditioning of telecommunication base station as claimed in claim 2, wherein the preset dormancy time t1 is 20 hours; the electricity supplementing time of the electricity supplementing mode is 4 hours.
4. The cooperative control method for battery dormancy and air conditioning of telecommunication base station as claimed in claim 3, wherein the set value T1 of the environmental temperature is 32 ℃; the set point T2 for the ambient temperature was 35 ℃.
5. a telecommunication base station battery dormancy and air conditioner cooperative control system is characterized by comprising:
a battery dormancy control module for detecting the state of the battery,
when the charging capacity of the battery is detected to exceed the set proportional value S1 of the previous discharging capacity or the charging current of the battery is detected to be smaller than the set value C1, the battery is controlled to enter the sleep mode; the range of the set proportion value S1 is 102-108%; the set value C1 is 0.005C;
When the battery is detected to be full and is switched to a power supplement mode after reaching the preset sleep time t1, when the switch power supply carries out equalizing charge in an equalizing charge period, or under any condition after power failure and power supply, the battery is controlled to exit the sleep;
And the switching power supply is used for charging the battery.
6. The system of claim 5, further comprising:
the temperature detection module is used for detecting the ambient temperature;
The infrared controller is used for controlling the on-off of the air conditioner according to the received battery state signal of the battery dormancy control module and the ambient temperature signal, and controlling the air conditioner to be turned off when the ambient temperature is detected to be lower than a set value T1 and the battery is in the dormancy state; and controlling the air conditioner to be started when the ambient temperature is higher than a set value T2.
7. The system of claim 6, wherein the battery sleep control module is in RS485 communication connection with the infrared controller.
8. The cooperative control system for battery dormancy and air conditioning of a telecommunication base station as claimed in claim 7, wherein the preset dormancy time t1 is 20 hours; the electricity supplementing time of the electricity supplementing mode is 4 hours.
9. the cooperative control system for battery dormancy and air conditioning of a telecommunication base station as claimed in claim 7, wherein the set point T1 for the ambient temperature is 32 ℃; the set point T2 for the ambient temperature was 35 ℃.
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| CN108599330A (en) * | 2018-06-21 | 2018-09-28 | 广东省电信规划设计院有限公司 | Accumulator cell charging and discharging control device and and its control system with air conditioner refrigerating coordination |
| CN112234667A (en) * | 2020-09-23 | 2021-01-15 | 上海置信智能电气有限公司 | Intelligent power supplementing method and system for standby lead-acid storage battery of base station |
| CN117715160A (en) * | 2022-09-07 | 2024-03-15 | 中兴通讯股份有限公司 | Base station energy saving method, baseband equipment, radio frequency equipment, base station and storage medium |
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Effective date of registration: 20220309 Address after: 1303, yuemeite building, No. 1, Gaoxin South seventh Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Baite Rui Intelligent Control Technology Co.,Ltd. Address before: 518055 2 building, A3 tower, Nanshan Zhiyuan, 1001 Nanshan District Xue Yuan Avenue, Shenzhen, Guangdong. Patentee before: BSB POWER Co.,Ltd. |