CN111917122B - Peak clipping and valley filling power supply control method for communication base station - Google Patents
Peak clipping and valley filling power supply control method for communication base stationDownload PDFInfo
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- CN111917122B CN111917122BCN202010611374.2ACN202010611374ACN111917122BCN 111917122 BCN111917122 BCN 111917122BCN 202010611374 ACN202010611374 ACN 202010611374ACN 111917122 BCN111917122 BCN 111917122B
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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
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及通信基站的基站电源技术领域，特别是一种通信基站的削峰填谷电源控制方法。The invention relates to the technical field of base station power supplies of communication base stations, in particular to a method for controlling peak-shaving and valley-filling power supplies of communication base stations.
背景技术Background technique
为了保障通信不间断进行，基站除了正常的市电供应之外，还需要配备应急备用电源，以保证市电供应异常时，基站也能正常工作。In order to ensure uninterrupted communication, in addition to the normal mains power supply, the base station also needs to be equipped with an emergency backup power supply to ensure that the base station can also work normally when the mains power supply is abnormal.
现有的基站的备用电源主要是铅酸电池。随着锂电池的发展，成本下降，应用于基站成成为可能。与铅酸电池相比，锂电更环保，使用寿命更长，同等容量时，锂电池占地面积更小，重量更轻。并且，锂电池便于监控电池的使用状态。The backup power supply of existing base stations is mainly lead-acid batteries. With the development of lithium batteries, the cost has dropped, and it has become possible to apply them to base stations. Compared with lead-acid batteries, lithium batteries are more environmentally friendly and have a longer service life. At the same capacity, lithium batteries occupy a smaller area and are lighter in weight. Moreover, the lithium battery is convenient for monitoring the usage status of the battery.
目前，基站电源一般只是当做备用电源，利用率较低。另外，市电在不同的时间，如工作日或非工作日、同一天的上午、中午、下午及晚上，用电需求量也有很大不同；如此在不同的用电时段对基站电源进行合理地使用，实现对电网的削峰填谷，最大程度的发挥出基站电源的作用，是本申请人研究的一个课题。At present, the base station power supply is generally only used as a backup power supply, and the utilization rate is low. In addition, the power demand of the city power is also very different at different times, such as working days or non-working days, morning, noon, afternoon and evening of the same day; It is a research subject of the present applicant to realize the load-shaving and valley-shaving of the power grid and maximize the function of the power supply of the base station.
发明内容Contents of the invention
有鉴于此，本发明提供了一种合理利用通信基站的基站电源、实现电网的削峰填谷、极大的发挥基站电源的作用、提高收益的通信基站的削峰填谷电源控制方法，以解决上述问题。In view of this, the present invention provides a control method for peak-shaving and valley-filling power supply of communication base stations that rationally utilizes the base station power supply of the communication base station, realizes peak-shaving and valley-filling of the power grid, maximizes the role of the base station power supply, and improves revenue. Solve the above problems.
一种通信基站的削峰填谷电源控制方法，包括以下步骤：步骤S11：判断是否接收到一控制器发出的控制指令；若未接收到控制指令则进入步骤S12，接收到控制指令则进入步骤S20；步骤S12：检测并判断电网中是否有电，有则进入步骤S20，否则进入步骤S13；步骤S13：控制器控制基站电源向基站负载供电，同时控制与电网连接的交流侧开关断开；步骤S14：判断交流侧开关是否断开，是则进入步骤S15，否则进入步骤S16；步骤S15：检测基站电源的电压并判断基站电源的电压是否过低，是则进入步骤S18，否则进入步骤S17；步骤S16：若交流侧开关未断开，则控制器向一控制中心发出报警信号；步骤S17：判断电网是否来电，是则进入步骤S20，否则返回步骤S15；步骤S18：控制器控制基站电源停止放电，控制器向控制中心发出电量耗尽的报警信号；步骤S20：执行控制器发出的控制指令。A control method for peak-shaving and valley-filling power supply of a communication base station, comprising the following steps: Step S11: judging whether a control command sent by a controller is received; if the control command is not received, then enter step S12, and if the control command is received, then enter step S20; Step S12: Detect and judge whether there is electricity in the power grid, if there is, go to step S20, otherwise go to step S13; Step S13: the controller controls the power supply of the base station to supply power to the load of the base station, and at the same time controls the switching of the AC side switch connected to the power grid; Step S14: Judging whether the AC side switch is off, if yes, go to step S15, otherwise go to step S16; step S15: detect the voltage of the base station power supply and judge whether the voltage of the base station power supply is too low, if yes, go to step S18, otherwise go to step S17 ; Step S16: If the switch on the AC side is not disconnected, the controller sends an alarm signal to a control center; Step S17: Determine whether the grid is receiving power, if so, enter step S20, otherwise return to step S15; step S18: the controller controls the power supply of the base station Stop discharging, and the controller sends an alarm signal of power exhaustion to the control center; Step S20: Execute the control command sent by the controller.
进一步地，所述步骤S11之前，设置基站电源的第一总电压阈值及电池单元的第一单体电压阈值；步骤S15中，若基站电源的总电压小于第一总电压阈值或任意一电池单元的电压小于第一单体电压阈值，则判断基站电源的电压过低；若基站电源的总电压大于或等于第一总电压阈值，同时任意一电池单元的电压均大于或等于第一单体电压阈值，则判断基站电源的电压正常。Further, before the step S11, set the first total voltage threshold of the base station power supply and the first cell voltage threshold of the battery unit; in step S15, if the total voltage of the base station power supply is less than the first total voltage threshold or any battery unit If the voltage of the base station power supply is less than the first cell voltage threshold, it is judged that the voltage of the base station power supply is too low; if the total voltage of the base station power supply is greater than or equal to the first total voltage threshold, and the voltage of any battery cell is greater than or equal to the first cell voltage threshold, it is judged that the voltage of the base station power supply is normal.
进一步地，所述交流侧开关为一继电器。Further, the AC side switch is a relay.
进一步地，上述步骤S16中，若连续三次检测交流侧开关均未断开，则控制器向一控制中心发出报警信号。Further, in the above step S16, if it is detected that the AC side switch is not disconnected for three consecutive times, the controller sends an alarm signal to a control center.
进一步地，所述步骤S20包括以下步骤：步骤S21：接收控制器发出的控制指令；步骤S22：判断控制指令为充电指令，还是放电指令；若为充电指令则进入步骤S40，若为放电指令则进入步骤S30；步骤S30：执行放电指令；步骤S40：执行充电指令。Further, the step S20 includes the following steps: Step S21: Receive the control instruction issued by the controller; Step S22: Determine whether the control instruction is a charging instruction or a discharging instruction; if it is a charging instruction, enter step S40; if it is a discharging instruction, then Enter step S30; step S30: execute the discharge instruction; step S40: execute the charge instruction.
进一步地，所述步骤S30包括以下步骤：步骤S31：双向逆变器接收控制器发出的放电指令，基站电源同时向基站负载供电；步骤S32：基站电源进行放电，双向逆变器将基站电源的直流电转换为电网传输的交流电，使得基站电源向电网输电；步骤S33：检测基站电源的电压并判断基站电源的电压是否过低，是则进入步骤S36，否则进入步骤S34；步骤S36：控制器控制基站电源停止放电并切换由电网向基站供电，同时控制器向控制中心发出电量耗尽的报警信号；步骤S34：持续监测控制器发出的控制指令；步骤S35：判断控制指令是否为放电指令，是则返回步骤S32，否则进入步骤S20。Further, the step S30 includes the following steps: Step S31: the bidirectional inverter receives the discharge command issued by the controller, and the base station power supply supplies power to the base station load at the same time; Step S32: the base station power supply discharges, and the bidirectional inverter converts the base station power supply The direct current is converted into the alternating current transmitted by the grid, so that the base station power supply transmits power to the grid; step S33: detect the voltage of the base station power supply and judge whether the voltage of the base station power supply is too low, if yes, enter step S36, otherwise enter step S34; step S36: controller control The power supply of the base station stops discharging and switches the power supply from the power grid to the base station, and at the same time the controller sends an alarm signal of power exhaustion to the control center; step S34: continuously monitors the control command sent by the controller; step S35: judges whether the control command is a discharge command, yes Then return to step S32, otherwise go to step S20.
进一步地，步骤S31之前，设置基站电源的第二总电压阈值及电池单元的第一单体电压阈值；第二总电压阈值大于第一总电压阈值；步骤S33中，若基站电源的总电压小于第二总电压阈值或任意一电池单元的电压小于第一单体电压阈值，则判断基站电源的电压过低；若基站电源的总电压大于或等于第二总电压阈值，同时任意一电池单元的电压均大于或等于第一单体电压阈值，则判断基站电源的电压正常。Further, before step S31, set the second total voltage threshold of the base station power supply and the first monomer voltage threshold of the battery unit; the second total voltage threshold is greater than the first total voltage threshold; in step S33, if the total voltage of the base station power supply is less than The second total voltage threshold or the voltage of any one battery unit is less than the first cell voltage threshold, then it is judged that the voltage of the base station power supply is too low; if the total voltage of the base station power supply is greater than or equal to the second total voltage threshold, and at the same time If the voltages are all greater than or equal to the first cell voltage threshold, it is determined that the voltage of the base station power supply is normal.
进一步地，所述步骤S40包括以下步骤：步骤S41：双向逆变器接收控制器发出的充电指令；步骤S42：双向逆变器将电网中的交流电转换为直流电，以对基站电源进行充电；步骤S43：检测基站电源充电是否完成，是则进入步骤S46，否则进入步骤S44；步骤S46：控制器控制电网停止对基站电源充电，控制器向控制中心发出充电完成的信号；步骤S44：持续监测控制器发出的控制指令；步骤S45：判断控制指令是否为充电指令，是则返回步骤S42，否则进入步骤S20。Further, the step S40 includes the following steps: Step S41: the bidirectional inverter receives the charging instruction issued by the controller; Step S42: the bidirectional inverter converts the alternating current in the power grid into direct current to charge the power supply of the base station; step S43: Detect whether the charging of the base station power supply is completed, if yes, enter step S46, otherwise enter step S44; step S46: the controller controls the grid to stop charging the base station power supply, and the controller sends a signal to the control center that the charging is complete; step S44: continuous monitoring and control The control command issued by the device; step S45: judge whether the control command is a charging command, if yes, return to step S42, otherwise, go to step S20.
进一步地，在所述步骤S41之前，设置基站电源的第三总电压阈值及电池单元的第二单体电压阈值，第三总电压阈值大于第一总电压阈值及第二总电压阈值，第二单体电压阈值大于第一单体电压阈值；步骤S43中，若基站电源的总电压大于或等于第三总电压阈值，或任意一电池单元的电压大于或等于第二单体电压阈值，则判断基站电源充电完成；若基站电源的总电压小于第三总电压阈值，同时任意一电池单元的电压均小于第二单体电压阈值，则判断基站电源充电尚未完成。Further, before the step S41, the third total voltage threshold of the base station power supply and the second cell voltage threshold of the battery unit are set, the third total voltage threshold is greater than the first total voltage threshold and the second total voltage threshold, and the second The cell voltage threshold is greater than the first cell voltage threshold; in step S43, if the total voltage of the base station power supply is greater than or equal to the third total voltage threshold, or the voltage of any battery cell is greater than or equal to the second cell voltage threshold, then judge The charging of the base station power supply is completed; if the total voltage of the base station power supply is less than the third total voltage threshold and the voltage of any battery unit is lower than the second cell voltage threshold, it is determined that the base station power supply charging has not been completed.
与现有技术相比，本发明的通信基站的削峰填谷电源控制方法包括以下步骤：步骤S11：判断是否接收到一控制器发出的控制指令；若未接收到控制指令则进入步骤S12，接收到控制指令则进入步骤S20；步骤S12：检测并判断电网中是否有电，有则进入步骤S20，否则进入步骤S13；步骤S13：控制器控制基站电源向基站负载供电，同时控制与电网连接的交流侧开关断开；步骤S14：判断交流侧开关是否断开，是则进入步骤S15，否则进入步骤S16；步骤S15：检测基站电源的电压并判断基站电源的电压是否过低，是则进入步骤S18，否则进入步骤S17；步骤S16：若交流侧开关未断开，则控制器向一控制中心发出报警信号；步骤S17：判断电网是否来电，是则进入步骤S20，否则返回步骤S15；步骤S18：控制器控制基站电源停止放电；步骤S20：执行控制器发出的控制指令。如此能够合理利用通信基站的基站电源、实现电网的削峰填谷、极大的发挥基站电源的作用，提高收益。Compared with the prior art, the peak-shaving and valley-filling power supply control method of the communication base station of the present invention includes the following steps: Step S11: judge whether a control command sent by a controller is received; if the control command is not received, enter step S12, After receiving the control command, go to step S20; step S12: detect and judge whether there is electricity in the grid, if there is, go to step S20, otherwise go to step S13; step S13: the controller controls the power supply of the base station to supply power to the load of the base station, and at the same time controls the connection with the grid The AC side switch is disconnected; step S14: judge whether the AC side switch is disconnected, if yes, enter step S15; otherwise, enter step S16; step S15: detect the voltage of the base station power supply and judge whether the voltage of the base station power supply is too low, if yes, enter Step S18, otherwise enter step S17; step S16: if the AC side switch is not disconnected, the controller sends an alarm signal to a control center; step S17: judge whether the power grid is incoming, if yes, enter step S20, otherwise return to step S15; step S18: The controller controls the power supply of the base station to stop discharging; Step S20: Executes the control instruction sent by the controller. In this way, the power supply of the base station of the communication base station can be rationally used, the peak load of the power grid can be realized, the role of the power supply of the base station can be maximized, and the income can be increased.
附图说明Description of drawings
以下结合附图描述本发明的实施例，其中：Embodiments of the present invention are described below in conjunction with the accompanying drawings, wherein:
图1为本发明提供的通信基站的削峰填谷电源控制方法的断电时刻的工作流程示意图。FIG. 1 is a schematic diagram of the work flow at the power-off time of the peak-shaving and valley-filling power supply control method of the communication base station provided by the present invention.
图2为图1中的执行控制指令的工作流程示意图。FIG. 2 is a schematic diagram of the workflow of executing the control instruction in FIG. 1 .
图3为图2中的执行放电指令的工作流程示意图。FIG. 3 is a schematic diagram of a workflow for executing a discharge command in FIG. 2 .
图4为图2中的执行充电指令的工作流程示意图。FIG. 4 is a schematic diagram of the workflow of executing the charging instruction in FIG. 2 .
具体实施方式Detailed ways
以下基于附图对本发明的具体实施例进行进一步详细说明。应当理解的是，此处对本发明实施例的说明并不用于限定本发明的保护范围。Specific embodiments of the present invention will be described in further detail below based on the accompanying drawings. It should be understood that the description of the embodiments of the present invention here is not intended to limit the protection scope of the present invention.
请参考图1，本发明提供的通信基站的削峰填谷电源控制方法包括以下步骤：Please refer to Fig. 1, the peak-shaving and valley-filling power supply control method of the communication base station provided by the present invention includes the following steps:
步骤S10：设置基站电源的第一总电压阈值、第二总电压阈值、第三总电压阈值；设置电池单元的第一单体电压阈值、第二单体电压阈值；第二总电压阈值大于第一总电压阈值，第三总电压阈值大于第二总电压阈值，第二单体电压阈值大于第一单体电压阈值。Step S10: Set the first total voltage threshold, the second total voltage threshold, and the third total voltage threshold of the base station power supply; set the first cell voltage threshold and the second cell voltage threshold of the battery unit; the second total voltage threshold is greater than the first A total voltage threshold, the third total voltage threshold is greater than the second total voltage threshold, the second cell voltage threshold is greater than the first cell voltage threshold.
步骤S11：判断是否接收到控制器发出的控制指令；若未接收到，则进入步骤S12，接收到控制指令则进入步骤S20；Step S11: Judging whether the control instruction from the controller has been received; if not, proceed to step S12, and enter step S20 if the control instruction is received;
步骤S12：检测并判断电网中是否有电，有则进入步骤S20，否则进入步骤S13；Step S12: Detect and judge whether there is electricity in the grid, if there is, go to step S20, otherwise go to step S13;
步骤S13：控制器控制基站电源向基站负载供电，同时控制与电网连接的交流侧开关断开；Step S13: the controller controls the power supply of the base station to supply power to the load of the base station, and at the same time controls the switch on the AC side connected to the power grid to be turned off;
步骤S14：判断交流侧开关是否断开，是则进入步骤S15，否则进入步骤S16；交流侧开关可为一继电器。Step S14: Determine whether the AC side switch is off, if yes, go to step S15, otherwise go to step S16; the AC side switch can be a relay.
步骤S15：检测基站电源的电压并判断基站电源的电压是否过低，是则进入步骤S18，否则进入步骤S17。具体地，若基站电源的总电压小于第一总电压阈值或任意一电池单元的电压小于第一单体电压阈值，则判断基站电源的电压过低；若基站电源的总电压大于或等于第一总电压阈值，同时任意一电池单元的电压均大于或等于第一单体电压阈值，则判断基站电源的电压正常。Step S15: Detect the voltage of the power supply of the base station and judge whether the voltage of the power supply of the base station is too low, if yes, go to step S18, otherwise go to step S17. Specifically, if the total voltage of the base station power supply is less than the first total voltage threshold or the voltage of any battery unit is less than the first cell voltage threshold, it is judged that the voltage of the base station power supply is too low; if the total voltage of the base station power supply is greater than or equal to the first The total voltage threshold, and the voltage of any battery unit is greater than or equal to the first cell voltage threshold, then it is determined that the voltage of the base station power supply is normal.
步骤S16：若连续三次检测交流侧开关均未断开，则控制器向一控制中心发出表示交流侧开关未断开的报警信号；Step S16: If it is detected that the AC side switch is not disconnected for three consecutive times, the controller sends an alarm signal indicating that the AC side switch is not disconnected to a control center;
步骤S17：判断电网是否来电，是则进入步骤S20，否则返回步骤S15；Step S17: Determine whether the grid is receiving electricity, if yes, enter step S20, otherwise return to step S15;
步骤S18：控制器控制基站电源停止放电，控制器向控制中心发出表示电量耗尽的报警信号；Step S18: the controller controls the power supply of the base station to stop discharging, and the controller sends an alarm signal indicating that the power is exhausted to the control center;
步骤S20：执行控制器发出的控制指令。Step S20: Execute the control instruction issued by the controller.
请参考图2，若电网来电，或者用户向控制器发出操作指令，使得控制器发出控制指令，则启动步骤S20。Please refer to FIG. 2 , if the grid receives power, or the user sends an operation instruction to the controller, so that the controller sends a control instruction, step S20 is started.
执行控制器发出的控制指令包括以下步骤：Executing the control instruction sent by the controller includes the following steps:
步骤S21：接收控制器发出的控制指令；Step S21: receiving a control instruction from the controller;
步骤S22：判断控制指令为充电指令，还是放电指令；若为充电指令则进入步骤S40，若为放电指令则进入步骤S30。控制指令为充电指令或放电指令可由控制中心决定，也可根据不同的时段自动设置控制指令为充电指令或放电指令。如用电低谷期(此时电价较低)，购入电网的电对基站电源进行充电；用电高峰期(此时电价较高)，向电网输出电能。从而赚得差价，提高收益。Step S22: Determine whether the control command is a charge command or a discharge command; if it is a charge command, proceed to step S40, and if it is a discharge command, proceed to step S30. Whether the control command is a charge command or a discharge command can be determined by the control center, and the control command can also be automatically set as a charge command or a discharge command according to different time periods. For example, during the period of low electricity consumption (the price of electricity is low at this time), the electricity purchased from the grid is used to charge the power supply of the base station; during the peak period of electricity consumption (the price of electricity is high at this time), electric energy is output to the grid. So as to earn the difference and increase the income.
步骤S30：执行放电指令；Step S30: Execute the discharge instruction;
步骤S40：执行充电指令。Step S40: Execute the charging instruction.
请参考图3，上述步骤S30包括以下步骤：Please refer to Fig. 3, above-mentioned step S30 comprises the following steps:
步骤S31：双向逆变器接收控制器发出的放电指令，基站电源同时向基站负载供电；Step S31: the bidirectional inverter receives the discharge instruction from the controller, and the power supply of the base station supplies power to the load of the base station at the same time;
步骤S32：基站电源进行放电，双向逆变器将基站电源的直流电转换为电网传输的交流电，使得基站电源向电网输电；Step S32: the base station power supply is discharged, and the bidirectional inverter converts the DC power of the base station power supply into AC power transmitted by the grid, so that the base station power supply transmits power to the grid;
步骤S321：电网反馈基站电源的馈电状态；Step S321: The power grid feeds back the feeding status of the base station power supply;
步骤S322：判断电网馈电是否工作正常，若是则进入步骤S33，否则进入步骤S323；Step S322: Determine whether the power grid feed is working normally, if so, go to step S33, otherwise go to step S323;
步骤S323：若电网连续三次反馈基站电源馈电异常，则控制器向控制中心发出表示馈电异常的报警信号；Step S323: If the power grid feeds back the abnormality of the power supply of the base station for three consecutive times, the controller sends an alarm signal indicating the abnormality of the power supply to the control center;
步骤S33：检测基站电源的电压并判断基站电源的电压是否过低，是则进入步骤S36，否则进入步骤S34。具体地，若基站电源的总电压小于第二总电压阈值或任意一电池单元的电压小于第一单体电压阈值，则判断基站电源的电压过低；若基站电源的总电压大于或等于第二总电压阈值，同时任意一电池单元的电压均大于或等于第一单体电压阈值，则判断基站电源的电压正常。第二总电压阈值大于第一总电压阈值，使得基站电源在完成馈电后还有足够的电能为基站负载供电。Step S33: Detect the voltage of the power supply of the base station and determine whether the voltage of the power supply of the base station is too low, if yes, go to step S36, otherwise go to step S34. Specifically, if the total voltage of the base station power supply is less than the second total voltage threshold or the voltage of any battery unit is less than the first cell voltage threshold, it is judged that the voltage of the base station power supply is too low; if the total voltage of the base station power supply is greater than or equal to the second The total voltage threshold, and the voltage of any battery unit is greater than or equal to the first cell voltage threshold, then it is determined that the voltage of the base station power supply is normal. The second total voltage threshold is greater than the first total voltage threshold, so that the power supply of the base station still has enough electric energy to supply power to the load of the base station after the power feeding is completed.
步骤S36：控制器控制基站电源停止放电并切换由电网向基站供电，同时控制器向控制中心发出表示电量耗尽的报警信号；Step S36: the controller controls the power supply of the base station to stop discharging and switches the power supply from the power grid to the base station, and at the same time, the controller sends an alarm signal indicating that the power is exhausted to the control center;
步骤S34：持续监测控制器发出的控制指令；Step S34: Continuously monitor the control instructions issued by the controller;
步骤S35：判断控制指令是否为放电指令，是则返回步骤S32，否则进入步骤S20。Step S35: Determine whether the control command is a discharge command, if yes, return to step S32, otherwise, go to step S20.
启动步骤S20，控制器控制双向逆变器对应地改变工作模式。Starting step S20, the controller controls the bidirectional inverter to change the working mode correspondingly.
请参考图4，上述步骤S40包括以下步骤：Please refer to FIG. 4, the above step S40 includes the following steps:
步骤S41：双向逆变器接收控制器发出的充电指令；Step S41: the bidirectional inverter receives the charging instruction from the controller;
步骤S42：双向逆变器将电网中的交流电转换为直流电，以对基站电源进行充电；Step S42: the bidirectional inverter converts the alternating current in the grid into direct current to charge the power supply of the base station;
步骤S421：基站电源反馈充电状态；Step S421: The power supply of the base station feeds back the charging status;
步骤S422：判断基站电源充电是否正常，若是则进入步骤S43，否则进入步骤S423；Step S422: Determine whether the charging of the power supply of the base station is normal, if so, go to step S43, otherwise go to step S423;
步骤S423：若基站电源连续三次反馈充电异常，则控制器向控制中心发出表示充电异常的报警信号；步骤S43：检测基站电源充电是否完成，是则进入步骤S46，否则进入步骤S44。具体地，若基站电源的总电压大于或等于第三总电压阈值，或任意一电池单元的电压大于或等于第二单体电压阈值，则判断基站电源充电完成；若基站电源的总电压小于第三总电压阈值，同时任意一电池单元的电压均小于第二单体电压阈值，则判断基站电源充电尚未完成。Step S423: If the power supply of the base station reports abnormal charging for three consecutive times, the controller sends an alarm signal indicating abnormal charging to the control center; Step S43: Check whether the charging of the power supply of the base station is completed, if yes, go to step S46, otherwise go to step S44. Specifically, if the total voltage of the base station power supply is greater than or equal to the third total voltage threshold, or the voltage of any battery unit is greater than or equal to the second cell voltage threshold, it is determined that the charging of the base station power supply is completed; if the total voltage of the base station power supply is less than the first Three total voltage thresholds, and at the same time, the voltage of any battery cell is lower than the second cell voltage threshold, it is judged that the charging of the power supply of the base station has not been completed.
步骤S46：控制器控制电网停止对基站电源充电，控制器向控制中心发出表示充电完成的信号。控制中心通过点亮一指示灯表示基站电源充电完成。步骤S44：持续监测控制器发出的控制指令；Step S46: the controller controls the power grid to stop charging the power supply of the base station, and the controller sends a signal indicating that the charging is completed to the control center. The control center indicates that the power supply of the base station is fully charged by lighting an indicator light. Step S44: Continuously monitor the control instructions issued by the controller;
步骤S45：判断控制指令是否为充电指令，是则返回步骤S42，否则进入步骤S20。Step S45: Determine whether the control command is a charging command, if yes, return to step S42, otherwise, go to step S20.
启动步骤S20，控制器控制双向逆变器对应地改变工作模式。Starting step S20, the controller controls the bidirectional inverter to change the working mode correspondingly.
本发明的通信基站的削峰填谷电源控制方法在未接收到控制中心临时发出的控制指令时，按照预定的程序或流程工作；另外可实时接收控制中心临时发出的控制指令，并根据控制指令执行对应的操作。如此可实时结算或执行来自控制中心的控制指令。The peak-shaving and valley-filling power supply control method of the communication base station of the present invention works according to a predetermined program or flow when the control instruction temporarily issued by the control center is not received; in addition, the control instruction temporarily issued by the control center can be received in real time, and according to the control instruction Perform the corresponding operation. This enables real-time settlement or execution of control instructions from the control center.
与现有技术相比，本发明的通信基站的削峰填谷电源控制方法包括以下步骤：步骤S11：判断是否接收到一控制器发出的控制指令；若未接收到控制指令则进入步骤S12，接收到控制指令则进入步骤S20；步骤S12：检测并判断电网中是否有电，有则进入步骤S20，否则进入步骤S13；步骤S13：控制器控制基站电源向基站负载供电，同时控制与电网连接的交流侧开关断开；步骤S14：判断交流侧开关是否断开，是则进入步骤S15，否则进入步骤S16；步骤S15：检测基站电源的电压并判断基站电源的电压是否过低，是则进入步骤S18，否则进入步骤S17；步骤S16：若交流侧开关未断开，则控制器向一控制中心发出报警信号；步骤S17：判断电网是否来电，是则进入步骤S20，否则返回步骤S15；步骤S18：控制器控制基站电源停止放电；步骤S20：执行控制器发出的控制指令。如此能够合理利用通信基站的基站电源、实现电网的削峰填谷、极大的发挥基站电源的作用，提高收益。Compared with the prior art, the peak-shaving and valley-filling power supply control method of the communication base station of the present invention includes the following steps: Step S11: judge whether a control command sent by a controller is received; if the control command is not received, enter step S12, After receiving the control command, go to step S20; step S12: detect and judge whether there is electricity in the grid, if there is, go to step S20, otherwise go to step S13; step S13: the controller controls the power supply of the base station to supply power to the load of the base station, and at the same time controls the connection with the grid The AC side switch is disconnected; step S14: judge whether the AC side switch is disconnected, if yes, enter step S15; otherwise, enter step S16; step S15: detect the voltage of the base station power supply and judge whether the voltage of the base station power supply is too low, if yes, enter Step S18, otherwise enter step S17; step S16: if the AC side switch is not disconnected, the controller sends an alarm signal to a control center; step S17: judge whether the power grid is incoming, if yes, enter step S20, otherwise return to step S15; step S18: The controller controls the power supply of the base station to stop discharging; Step S20: Executes the control instruction sent by the controller. In this way, the power supply of the base station of the communication base station can be rationally used, the peak load of the power grid can be realized, the role of the power supply of the base station can be maximized, and the income can be increased.
以上仅为本发明的较佳实施例，并不用于局限本发明的保护范围，任何在本发明精神内的修改、等同替换或改进等，都涵盖在本发明的权利要求范围内。The above are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modification, equivalent replacement or improvement within the spirit of the present invention is covered by the claims of the present invention.
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