WO2016150091A1 - 光伏发电系统的配电优先级控制器及控制方法 - Google Patents

光伏发电系统的配电优先级控制器及控制方法 Download PDF

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Publication number
WO2016150091A1
WO2016150091A1 PCT/CN2015/087847 CN2015087847W WO2016150091A1 WO 2016150091 A1 WO2016150091 A1 WO 2016150091A1 CN 2015087847 W CN2015087847 W CN 2015087847W WO 2016150091 A1 WO2016150091 A1 WO 2016150091A1
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priority
power distribution
power
power generation
photovoltaic power
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PCT/CN2015/087847
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English (en)
French (fr)
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杨都
苏玉海
金国华
肖焕明
王文灿
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珠海格力电器股份有限公司
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Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to US15/511,060 priority Critical patent/US10389124B2/en
Priority to CA2961096A priority patent/CA2961096C/en
Priority to ES15886020T priority patent/ES2761810T3/es
Priority to EP15886020.5A priority patent/EP3182581B1/en
Priority to AU2015387704A priority patent/AU2015387704B9/en
Publication of WO2016150091A1 publication Critical patent/WO2016150091A1/zh

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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
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • 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
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
    • H02J2310/58—The condition being electrical

Definitions

  • the invention relates to the technical field of photovoltaic power generation control, in particular to a power distribution priority controller of a photovoltaic power generation system and a control method using the power distribution priority controller.
  • An object of the present invention is to provide a power distribution priority controller of a photovoltaic power generation system, wherein the power distribution priority controller of the photovoltaic power generation system satisfies the necessary power consumption equipment according to actual needs of the user in the case of insufficient photovoltaic power generation.
  • the use of the demand provides users with more humanized choices, enhances the user experience and improves product competitiveness.
  • Another object of the present invention is to provide a power distribution priority control method for a photovoltaic power generation system using a power distribution priority controller of a photovoltaic power generation system as described above.
  • the invention provides a power distribution priority controller of a photovoltaic power generation system, the controller comprising:
  • An operation unit configured to calculate a priority list of the power equipment according to the photovoltaic power generation data and the operating state information of the power equipment, and determine a priority power distribution scheme
  • the control unit is configured to acquire running state information of all the powered devices in real time, and control the powered devices according to the priority power distribution scheme determined by the computing unit;
  • a communication unit for use in photovoltaic power generation data, operational status information of electrical equipment, and transmission of control command information
  • the storage unit is configured to store the photovoltaic power generation data, the operating state information of the electrical equipment, and the priority power distribution scheme according to the time unit.
  • the controller further includes a display unit, configured to display a list of powered devices, operating state information of all powered devices, and operation information of the user.
  • the powered device comprises a refrigeration device, a heating device, and/or a lighting device.
  • the priority power distribution scheme includes an air conditioner priority power distribution scheme, a refrigerator priority power distribution scheme, a water heater priority power distribution scheme, a lighting equipment priority power distribution scheme, a bedroom equipment priority power distribution scheme, a summer priority power distribution scheme, and a winter priority distribution scheme. Electrical solutions and custom power distribution solutions.
  • the operating status information of the powered device includes power consumption of the powered device and power on/off status data.
  • the controller further includes an intelligent priority power distribution mode, and when the photovoltaic power generation is insufficient, the control unit controls the power device according to the priority power distribution scheme determined in descending order of priority.
  • the invention also provides a photovoltaic power distribution priority controller using the above photovoltaic power generation system
  • a power distribution priority control method for a power generation system comprising the steps of:
  • control unit of the controller acquires the running state information of all the powered devices in real time, and stores them in the storage unit;
  • the computing unit calculates a priority list of the power device according to the photovoltaic power generation data stored in the storage unit and the operating state information of the power device, and determines a priority power distribution plan, and then stores the priority power distribution plan in the storage unit;
  • the control unit controls the powered device according to a priority power distribution scheme stored in the storage unit.
  • the step S1 includes: the control unit of the controller acquires the power consumption condition and the switch state data of all the powered devices in real time through the communication unit, and stores the data in the storage unit.
  • step S2 is specifically: the computing unit calculates a priority list of the power device according to the photovoltaic power generation data stored in the storage unit, the power consumption condition of the power device, and the power state information of the power switch, and determines a priority power distribution scheme, and then The priority power distribution scheme is stored in the storage unit.
  • step S3 is specifically: the control unit controls switching, mode switching, and power allocation of the powered device according to the priority power distribution scheme stored in the storage unit.
  • the present invention provides a power distribution priority controller of a photovoltaic power generation system, the power distribution priority controller comprising: an operation unit, configured to calculate a priority of the power equipment according to the photovoltaic power generation data and the operating state information of the power equipment List and determine a priority power distribution scheme; the control unit is configured to obtain real-time operating status information of all powered devices, and control the powered devices according to the priority power distribution scheme determined by the computing unit; the communication unit is used for photovoltaic power generation data, The operation status information of the electric equipment and the transmission of the control command information; the storage unit is configured to store the photovoltaic power generation data, the operation status information of the electric equipment, and the priority power distribution scheme according to the time unit.
  • the invention also provides a power distribution priority controller using the above Power distribution priority control method for photovoltaic power generation systems.
  • the controller and the control method of the invention realize the priority control management of the electric equipment in the photovoltaic power generation system, and satisfy the use requirement of the necessary electric equipment according to the actual demand of the user in the case of insufficient photovoltaic power generation, and provide the user with the demand More user-friendly choices enhance the user experience and increase product competitiveness.
  • FIG. 1 is a schematic flow chart of a power distribution priority control method of a photovoltaic power generation system according to a preferred embodiment of the present invention.
  • the embodiment provides a power distribution priority controller of a photovoltaic power generation system, and the power distribution priority controller includes:
  • An operation unit configured to calculate a priority list of the power equipment according to the photovoltaic power generation data and the operating state information of the power equipment, and determine a priority power distribution scheme
  • control unit configured to acquire running state information of all the powered devices in real time, and control the powered device according to the priority power distribution scheme determined by the computing unit;
  • Communication unit for photovoltaic power generation data, operating status information of power equipment and control command information Transmission
  • the storage unit is configured to store the photovoltaic power generation data, the operating state information of the electrical equipment, and the priority power distribution scheme according to the time unit.
  • the operating status information of the electrical equipment includes the power consumption condition of the electrical equipment and the power status of the power on and off, such as real-time power, power, and switching status of the electrical equipment.
  • Photovoltaic power generation data includes data such as power generation, output power, and output voltage of photovoltaic cells.
  • the controller computing unit of the embodiment calculates the real-time power, power, and other data of the powered device received by the communication unit, and combines the data of the power of the powered device stored in the storage unit to determine the power supply profit and loss, and
  • the priority power distribution scheme controls the powered equipment through the control unit.
  • the power distribution priority controller further includes a display unit for displaying the power device list, the operating state information of all the power devices, and the operation information of the user.
  • the electrical equipment includes a refrigeration device, a heating device, and/or a lighting device, and is not limited thereto, and may include other household devices than the above.
  • the controller presets different power distribution priorities for different powered devices.
  • the default initial priority of the powered device is sorted from small to large according to the power. The smaller the power, the higher the priority.
  • the priority of the powered device can be adjusted according to actual needs.
  • the priority power distribution scheme preset by the controller of the embodiment includes an air conditioner priority power distribution scheme, a refrigerator priority power distribution scheme, a lighting equipment priority power distribution scheme, a bedroom equipment priority power distribution scheme, a summer priority power distribution scheme, and a winter season.
  • Priority power distribution schemes and custom power distribution schemes can be selected by the user as follows:
  • Air conditioning priority power distribution scheme The preset air conditioner has the highest priority, and the photovoltaic power generation is preferentially supplied to the air conditioner;
  • the preset water heater has the highest priority, and the water heater is preferentially supplied to the water heater when the photovoltaic power generation is insufficient;
  • Lighting equipment priority power distribution scheme The preset lighting equipment has the highest priority, and the photovoltaic equipment is preferentially supplied to the refrigeration equipment when it is insufficient;
  • Priority distribution scheme for bedroom equipment The priority of the power equipment in the preset bedroom is the highest, and the priority is arranged according to the power level of the power equipment;
  • Priority distribution plan for summer preset cooling equipment such as air conditioners and refrigerators are given priority;
  • Customized power distribution scheme The user can set the priority of different power equipment and supply power according to the actual needs of the display unit.
  • the controller further comprises an intelligent priority power distribution mode, wherein when the photovoltaic power generation is insufficient, the control unit controls the power device according to the priority power distribution scheme determined in descending order of priority.
  • the priority of the smart priority power distribution mode is determined as follows:
  • the controller records information such as switches and power consumption of each electrical device in real time, and stores the information in the storage unit.
  • the controller obtains the list of the power equipment and the state of the power on and off in the T 1 time interval before and after the time point in the previous period T period stored in the storage unit based on the current time.
  • Data information such as power consumption, duration, etc. (where T is the sampling period, such as 1 month, T 1 is the priority reference time, such as 30 minutes).
  • the controller operation unit calculates the priority list of the power equipment according to the following formula, and determines the priority power distribution scheme according to the priority from high to low.
  • PRI indicates the power distribution priority of the electrical equipment, and the smaller the PRI value, the higher the priority of the powered equipment;
  • T represents the sampling period, such as 1 month
  • T 1 is a priority reference time, such as 30 minutes
  • t d is the time during which the electrical equipment is used in the T 1 time in the T period
  • P d is the maximum power of the powered device
  • P S is the maximum power supply of the current photovoltaic power supply
  • ⁇ is the time priority coefficient. In the period T 1, the time of electrical equipment used in the current time is closer to the smaller ⁇ value.
  • the control unit of the controller centrally manages and controls the switching, mode switching, power distribution, etc. of the powered device according to the intelligent priority power distribution scheme determined above.
  • the embodiment further provides a power distribution priority control method for a photovoltaic power generation system using the power distribution priority controller of the photovoltaic power generation system as above, and the flow thereof is as shown in FIG. 1 , and the control method includes the following steps:
  • the control unit acquires running state information of all the powered devices in real time and stores them in the storage unit.
  • the step S1 is specifically: the control unit of the controller acquires the power consumption condition and the switch state data of all the powered devices in real time through the communication unit, and stores the information in the storage unit.
  • the computing unit calculates a priority list of the power device according to the photovoltaic power generation data stored in the storage unit and the running state information of the power device, and determines a priority power distribution plan, and then saves the priority power distribution plan. Stored in a storage unit.
  • the step S2 is specifically: the computing unit calculates the priority list of the power device according to the photovoltaic power generation data stored in the storage unit, the power consumption condition of the power device, and the power state information of the power switch, and determines the priority.
  • the electrical solution then stores the prioritized power distribution scheme in the storage unit.
  • the priority power distribution scheme is as above, and will not be described here.
  • the control unit controls the powered device according to a priority power distribution scheme stored in the storage unit.
  • step S3 is specifically: the control unit controls switching, mode switching, and power allocation of the powered device according to the priority power distribution scheme stored in the storage unit.
  • the invention realizes the priority control management of the electric equipment in the photovoltaic power generation system, and in the case of insufficient photovoltaic power generation, according to the actual needs of the user, satisfies the use requirement of the necessary electric equipment, and provides a more humanized choice for the user. Enhance the user experience and increase product competitiveness.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
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Abstract

一种光伏发电系统的配电优先级控制器及控制方法，涉及光伏发电控制技术领域。控制器包括：运算单元，用于根据光伏发电数据及用电设备的运行状态数据确定优先配电方案；控制单元，用于实时获取所有用电设备的运行状态信息，根据确定的优先配电方案对用电设备进行控制；通讯单元，用于光伏发电数据、用电设备的运行状态数据及控制命令信息的传输；存储单元，用于按照时间单位存储光伏发电数据、用电设备的运行状态数据及优先配电方案数据。上述控制器实现了光伏发电系统中用电设备的优先级控制管理，在光伏发电不足情况下，根据用户的实际需求，满足了必要用电设备的使用需求，为用户提供了更加人性化的选择，增强了用户体验，提高了产品竞争力。

Description

光伏发电系统的配电优先级控制器及控制方法 技术领域
本发明涉及光伏发电控制技术领域，尤其涉及一种光伏发电系统的配电优先级控制器及应用该配电优先级控制器的控制方法。
背景技术
随着科学技术和经济的发展，人们的物质生活水平得到不断提高，对能源的需求量也越来越大，但是由于不可再生能源(如石油、煤)储量逐渐减少，且容易造成环境污染，因此，人们逐渐开发使用具有可再生和清洁无污染等特点的太阳能和风能等新能源，在电能应用领域中光伏产业得到高度重视和发展，上至航天用电，下至家庭用电，光伏电源无处不在。
但是，在实际工作过程中，由于光伏板、发电功率和成本等限制，以及天气等不可控因素的影响，不可避免的出现光伏发电量不足，不能满足所用设备用电需求的情况，最终导致用电设备无法正常工作。
基于以上所述，亟需一种新的光伏发电系统的配电优先级控制器，以解决现有技术存在的在光伏发电不足情况下，无法满足用电设备供电需求的问题。
发明内容
本发明的一个目的是提出一种光伏发电系统的配电优先级控制器，该光伏发电系统的配电优先级控制器在光伏发电不足情况下，根据用户的实际需求，满足必要用电设备的使用需求，为用户提供了更加人性化的选择，增强了用户体验，提高了产品竞争力。
本发明的另一个目的是提出一种应用如上的光伏发电系统的配电优先级控制器的光伏发电系统的配电优先级控制方法。
为达此目的，本发明采用以下技术方案：
本发明提供了一种光伏发电系统的配电优先级控制器，该控制器包括：
运算单元，用于根据光伏发电数据及用电设备的运行状态信息计算出用电设备优先级列表，并确定优先配电方案；
控制单元，用于实时获取所有用电设备的运行状态信息，根据运算单元确定的优先配电方案对用电设备进行控制；
通讯单元，用于光伏发电数据、用电设备的运行状态信息及控制命令信息的传输；
存储单元，用于按照时间单位存储光伏发电数据、用电设备的运行状态信息及优先配电方案。
可选地，控制器还包括显示单元，用于显示用电设备列表、所有用电设备的运行状态信息及用户的操作信息。
可选地，用电设备包括制冷设备、制热设备和/或照明设备。
可选地，优先配电方案包括空调优先配电方案、冰箱优先配电方案、热水器优先配电方案、照明设备优先配电方案、卧室设备优先配电方案、夏季优先配电方案、冬季优先配电方案和自定义配电方案。
可选地，用电设备的运行状态信息包括用电设备的耗电情况及开关机状态数据。
可选地，控制器还包括智能优先配电模式，当发生光伏发电不足时，控制单元按照优先级从高到低顺序确定的优先配电方案对用电设备进行控制。
本发明还提供了一种应用如上的光伏发电系统的配电优先级控制器的光伏 发电系统的配电优先级控制方法，该方法包括以下步骤：
S1、控制器的控制单元实时获取所有用电设备的运行状态信息，并将其存储在存储单元中；
S2、运算单元根据存储单元存储的光伏发电数据及用电设备的运行状态信息计算出用电设备优先级列表，并确定优先配电方案，然后将优先配电方案存储在存储单元中；
S3、控制单元根据存储在存储单元中的优先配电方案对用电设备进行控制。
可选地，步骤S1包括：控制器的控制单元通过通讯单元实时获取所有用电设备的耗电情况及开关机状态数据，并将其存储在存储单元中。
可选地，步骤S2具体为：运算单元根据存储单元存储的光伏发电数据及用电设备的耗电情况及开关机状态数据计算出用电设备优先级列表，并确定优先配电方案，然后将优先配电方案存储在存储单元中。
可选地，步骤S3具体为：控制单元根据存储在存储单元中的优先配电方案控制用电设备的开关、模式转换及功率分配。
本发明的有益效果为：
本发明提供了一种光伏发电系统的配电优先级控制器，该配电优先级控制器包括：运算单元，用于根据光伏发电数据及用电设备的运行状态信息计算出用电设备优先级列表，并确定优先配电方案；控制单元，用于实时获取所有用电设备的运行状态信息，根据运算单元确定的优先配电方案对用电设备进行控制；通讯单元，用于光伏发电数据、用电设备的运行状态信息及控制命令信息的传输；存储单元，用于按照时间单位存储光伏发电数据、用电设备的运行状态信息及优先配电方案。本发明还提供了一种应用如上的配电优先级控制器的 光伏发电系统的配电优先级控制方法。本发明的控制器及控制方法实现了光伏发电系统中用电设备的优先级控制管理，在光伏发电不足情况下，根据用户的实际需求，满足了必要用电设备的使用需求，为用户提供了更加人性化的选择，增强了用户体验，提高了产品竞争力。
附图说明
图1是本发明优选实施例提供的光伏发电系统的配电优先级控制方法的流程示意图。
具体实施方式
为使本发明解决的技术问题、采用的技术方案和达到的技术效果更加清楚，下面将结合附图对本发明实施例的技术方案作进一步的详细描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
优选实施例
本实施例提供了一种光伏发电系统的配电优先级控制器，该配电优先级控制器包括：
运算单元，用于根据光伏发电数据及用电设备的运行状态信息计算出用电设备优先级列表，并确定优先配电方案；
控制单元，用于实时获取所有用电设备的运行状态信息，根据所述运算单元确定的优先配电方案对用电设备进行控制；
通讯单元，用于光伏发电数据、用电设备的运行状态信息及控制命令信息 的传输；
存储单元，用于按照时间单位存储光伏发电数据、用电设备的运行状态信息及优先配电方案。
优选的，上述的用电设备的运行状态信息包括用电设备的耗电情况及开关机状态数据，如用电设备的实时电量、功率及开关情况等数据。光伏发电数据包括光伏电池的发电量、输出功率及输出电压等数据。
本实施例的控制器运算单元根据通讯单元接收到的用电设备的实时电量、功率等数据，结合存储单元存储的用电设备的功率等数据信息进行计算，判断出供电盈亏等情况，并根据优先配电方案通过控制单元对用电设备进行控制。
作为优选方案，配电优先级控制器还包括显示单元，用于显示用电设备列表、所有用电设备的运行状态信息及用户的操作信息。
优选的，用电设备包括制冷设备、制热设备和/或照明设备，并不局限于此，还可以包括除上述以外的其他家用设备。
控制器预设不同的用电设备不同的配电优先级。用电设备默认初始优先级按照功率的大小，从小到大排序，功率越小优先级越高。用电设备的优先级可根据实际需要进行调整。优选的，本实施例的控制器预设的优先配电方案包括空调优先配电方案、冰箱优先配电方案、照明设备优先配电方案、卧室设备优先配电方案、夏季优先配电方案、冬季优先配电方案和自定义配电方案。上述优先配电方案可供用户进行选择，具体如下：
(1)空调优先配电方案：预设空调优先级最高，光伏发电不足时优先供给空调使用；
(2)冰箱优先配电方案：预设冰箱优先级最高，光伏发电不足时优先供给冰箱使用；
(3)热水器优先配电方案：预设热水器优先级最高，光伏发电不足时优先供给热水器使用；
(4)照明设备优先配电方案：预设照明设备优先级最高，光伏发电不足时优先供给制冷设备使用；
(5)卧室设备优先配电方案：预设卧室中的用电设备优先级最高，并按照用电设备的功率大小依次排列优先级进行供电；
(6)夏季优先配电方案：预设空调、冰箱等制冷设备优先供电；
(7)冬季优先配电方案：预设地暖、热水器等制热设备优先供电；
(8)自定义配电方案：用户可通过显示单元的显示数据信息，根据实际需要设定不同用电设备的优先级并进行供电。
作为优选方案，控制器还包括智能优先配电模式，当发生光伏发电不足时，控制单元按照优先级从高到低顺序确定的优先配电方案对用电设备进行控制。
于本实施例中，智能优先配电模式的优先级确定方式如下：
1、控制器实时记录各用电设备的开关及耗电情况等信息，并将这些信息存储在存储单元中。
2、当发生光伏发电不足时，控制器以当前时间为基准，获取存储单元中存储的前一周期T时间段内该时间点前后T1时间间隔内的用电设备列表及其开关机状态、耗电量、持续时间等数据信息(其中T为采样的周期，如1个月，T1为优先级参照时间，如30分钟)。
3、控制器运算单元通过计算，按照如下公式计算得出用电设备优先级列表，并按优先级从高到低确定优先配电方案。
Figure PCTCN2015087847-appb-000001
其中：PRI表示用电设备配电优先级，PRI值越小表示用电设备优先级越高；
T表示采样周期，如1个月；
T1为确定优先级参照时间，如30分钟；
td为T周期内，该用电设备每天在T1时间内使用的时间；
Pd为该用电设备的最大功率；
PS为当前光伏供电的最大供电功率；
σ为时间优先系数。在T1时间段内，该用电设备使用的时间越接近当前时间则σ值越小。
4、控制器的控制单元按照上述确定的智能优先配电方案对用电设备的开关、模式转换、功率分配等集中管理和控制。
本实施例还提供了一种应用如上的光伏发电系统的配电优先级控制器的光伏发电系统的配电优先级控制方法，其流程如图1所示，该控制方法包括如下步骤：
S1、控制单元实时获取所有用电设备的运行状态信息，并将其存储在存储单元中。
在本实施例中，优选的，步骤S1具体为：控制器的控制单元通过通讯单元实时获取所有用电设备的耗电情况及开关机状态数据，并将这些信息存储在存储单元中。
S2、运算单元根据存储单元存储的光伏发电数据及用电设备的运行状态信息计算出用电设备优先级列表，并确定优先配电方案，然后将优先配电方案存 储在存储单元中。
于本实施例中，优选的，步骤S2具体为：运算单元根据存储单元存储的光伏发电数据及用电设备的耗电情况及开关机状态数据计算出用电设备优先级列表，并确定优先配电方案，然后将优先配电方案存储在存储单元中。该优先配电方案如上，在此不再赘述。
S3、控制单元根据存储在存储单元中的优先配电方案对用电设备进行控制。
于本实施例中，优选的，步骤S3具体为：控制单元根据存储在存储单元中的优先配电方案控制用电设备的开关、模式转换及功率分配。
本发明实现了光伏发电系统中用电设备的优先级控制管理，在光伏发电不足情况下，根据用户的实际需求，满足了必要用电设备的使用需求，为用户提供了更加人性化的选择，增强了用户体验，提高了产品竞争力。
以上结合具体实施例描述了本发明的技术原理。这些描述只是为了解释本发明的原理，而不能以任何方式解释为对本发明保护范围的限制。基于此处的解释，本领域的技术人员不需要付出创造性的劳动即可联想到本发明的其它具体实施方式，这些方式都将落入本发明的保护范围之内。

Claims (12)

  1. 一种光伏发电系统的配电优先级控制器，其特征在于，包括：
    运算单元，用于根据光伏发电数据及用电设备的运行状态信息计算出用电设备优先级列表，并确定优先配电方案；
    控制单元，用于实时获取所有所述用电设备的运行状态信息，根据所述运算单元确定的所述优先配电方案对所述用电设备进行控制；
    通讯单元，用于所述光伏发电数据、所述用电设备的运行状态信息及控制命令信息的传输；
    存储单元，用于按照时间单位存储所述光伏发电数据、所述用电设备的运行状态信息及所述优先配电方案。
  2. 根据权利要求1所述的光伏发电系统的配电优先级控制器，其特征在于，所述控制器还包括：显示单元，用于显示用电设备列表、所有所述用电设备的运行状态信息及用户的操作信息。
  3. 根据权利要求1所述的光伏发电系统的配电优先级控制器，其特征在于，所述用电设备包括：制冷设备、制热设备和/或照明设备。
  4. 根据权利要求1所述的光伏发电系统的配电优先级控制器，其特征在于，所述优先配电方案包括：空调优先配电方案、冰箱优先配电方案、热水器优先配电方案、照明设备优先配电方案、卧室设备优先配电方案、夏季优先配电方案、冬季优先配电方案和自定义配电方案。
  5. 根据权利要求1所述的光伏发电系统的配电优先级控制器，其特征在于，所述用电设备的运行状态信息包括：用电设备的耗电情况及开关机状态数据。
  6. 根据权利要求1所述的光伏发电系统的配电优先级控制器，其特征在 于，所述控制器还包括智能优先配电模式，当发生光伏发电不足时，所述控制单元按照优先级从高到低顺序确定的所述优先配电方案对所述用电设备进行控制。
  7. 一种应用如权利要求1-6任一项所述的光伏发电系统的配电优先级控制器的光伏发电系统的配电优先级控制方法，其特征在于，包括以下步骤：
    S1、所述控制器的控制单元实时获取所有用电设备的运行状态信息，并将其存储在存储单元中；
    S2、运算单元根据所述存储单元存储的所述光伏发电数据及所述用电设备的运行状态信息计算出用电设备优先级列表，并确定优先配电方案，然后将所述优先配电方案存储在所述存储单元中；
    S3、所述控制单元根据存储在所述存储单元中的所述优先配电方案对所述用电设备进行控制。
  8. 根据权利要求7所述的光伏发电系统的配电优先级控制方法，其特征在于，所述步骤S1具体为：所述控制器的控制单元通过通讯单元实时获取所有所述用电设备的耗电情况及开关机状态数据，并将其存储在所述存储单元中。
  9. 根据权利要求7所述的光伏发电系统的配电优先级控制方法，其特征在于，所述步骤S2具体为：所述运算单元根据所述存储单元存储的所述光伏发电数据及所述用电设备的耗电情况及开关机状态数据计算出所述用电设备优先级列表，并确定所述优先配电方案，然后将所述优先配电方案存储在所述存储单元中。
  10. 根据权利要求7所述的光伏发电系统的配电优先级控制方法，其特征在于，所述步骤S3具体为：所述控制单元根据存储在所述存储单元中的所述优先配电方案控制所述用电设备的开关、模式转换及功率分配。
  11. 一种光伏发电系统的配电优先级控制器，其特征在于，包括：
    运算单元，用于根据光伏发电数据及实时获取的用电设备的运行状态信息计算出用电设备优先级列表，并基于所述设备优先级列表确定优先配电方案；
    控制单元，用于实时获取所有所述用电设备的运行状态信息，根据所述运算单元确定的所述优先配电方案生成控制命令信息，以对所述用电设备进行控制；
    通讯单元，用于传输所述光伏发电数据、所述用电设备的运行状态信息及所述控制命令信息；
    存储单元，用于按照时间单位存储所述光伏发电数据、所述用电设备的运行状态信息及所述优先配电方案。
  12. 一种光伏发电系统的配电优先级控制方法，其特征在于，包括：
    S1、控制器的控制单元实时获取所有所述用电设备的运行状态信息，并将其存储在存储单元中；
    S2、运算单元根据所述存储单元存储的所述光伏发电数据及所述用电设备的运行状态信息计算出用电设备优先级列表，并基于所述用电设备优先级列表确定优先配电方案，然后将所述优先配电方案存储在所述存储单元中；
    S3、所述控制单元根据存储在所述存储单元中的所述优先配电方案对所述用电设备进行控制。
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