WO2020073721A1 - 直流家居用电系统及基于该系统的家用电器的接线方法 - Google Patents

直流家居用电系统及基于该系统的家用电器的接线方法 Download PDF

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Publication number
WO2020073721A1
WO2020073721A1 PCT/CN2019/098490 CN2019098490W WO2020073721A1 WO 2020073721 A1 WO2020073721 A1 WO 2020073721A1 CN 2019098490 W CN2019098490 W CN 2019098490W WO 2020073721 A1 WO2020073721 A1 WO 2020073721A1
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WIPO (PCT)
Prior art keywords
voltage
bus
low
power
home
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PCT/CN2019/098490
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English (en)
French (fr)
Inventor
张雪芬
赵志刚
袁金荣
唐文强
冯重阳
刘含
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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 AU2019357100A priority Critical patent/AU2019357100B2/en
Priority to CA3121403A priority patent/CA3121403A1/en
Priority to EP19870629.3A priority patent/EP3866291A4/en
Priority to SG11202105676PA priority patent/SG11202105676PA/en
Publication of WO2020073721A1 publication Critical patent/WO2020073721A1/zh
Priority to US17/325,537 priority patent/US11862970B2/en

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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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H02J1/109—Scheduling or re-scheduling the operation of the DC sources in a particular order, e.g. connecting or disconnecting the sources in sequential, alternating or in subsets, to meet a given demand
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/08—Three-wire systems; Systems having more than three wires
    • H02J1/084—Three-wire systems; Systems having more than three wires for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0421—Multiprocessor system
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/08—Three-wire systems; Systems having more than three wires
    • H02J1/082—Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
    • 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
    • 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
    • H02J3/144—Demand-response operation of the power transmission or distribution network
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2613—Household appliance in general
    • 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
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/12—The local stationary network supplying a household or a building
    • 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
    • H02J2310/10—The network having a local or delimited stationary reach
    • H02J2310/12—The local stationary network supplying a household or a building
    • H02J2310/14—The load or loads being home appliances

Definitions

  • the present disclosure relates to the field of DC home furnishing technology, and in particular, to a DC home furnishing system and a wiring method of household appliances based on the system.
  • the present disclosure provides a DC household electricity system and a wiring method of household appliances based on the system, to at least solve the problems of complicated and poor safety of DC household wiring in the prior art.
  • a DC household electricity system which includes: a household power supply configured to provide power for the household electricity system; a high-voltage DC bus connected to the household power supply, Set to provide power for high-power appliances; low-voltage DC bus, connected to the household power supply or high-voltage DC bus, set to provide power for low-power appliances.
  • the home power supply is a DC power grid or a non-DC power grid; where the non-DC power grid includes at least one of the following: AC power grid, new energy, and energy storage equipment.
  • the high-voltage DC bus is directly connected to the DC power grid, and the low-voltage DC bus is connected to the high-voltage DC bus: when the home power supply is a non-DC power grid, the high-voltage DC bus passes through the energy router and the non-DC power grid Connect the low-voltage DC bus to the energy router or high-voltage DC bus.
  • connection of the low-voltage DC bus to the energy router or the high-voltage DC bus includes: according to the output capability of the low-voltage DC bus, and / or the output line of the energy router, determining whether the low-voltage DC bus is connected to the energy router or the high-voltage DC bus.
  • the output capacity of the low-voltage DC bus is the transmission capacity of the low-voltage DC bus, or the transmission distance of the low-voltage DC bus; the output capacity of the low-voltage DC bus includes meeting the needs of low-voltage homes or not meeting the needs of low-voltage homes; the output line of the energy router includes High voltage DC line or high voltage DC line and low voltage DC line.
  • the low-voltage DC bus is connected to the energy router, and is connected to the energy router through the low-voltage DC line;
  • the low-voltage DC bus is connected to the high-voltage DC bus; where the high-voltage DC bus is connected to the high-voltage DC line.
  • the low-voltage DC bus is divided into different low-voltage bus regions according to the use area. When the low-voltage DC bus is connected to the high-voltage DC bus, each low-voltage bus region is connected to the high-voltage DC bus through a DC converter.
  • the high-voltage DC bus is located in the upper part of the home space, and the low-voltage DC bus is located in the lower part of the home space.
  • the voltages of the high-voltage DC bus and the low-voltage DC bus are determined according to the area where the household electrical system is located.
  • a wiring method for household appliances is provided. Based on the above-mentioned DC household electricity system, it includes: acquiring the electricity parameters of the household appliances; and connecting the household appliances to the household appliances according to the electricity parameters of the household appliances High voltage DC bus or low voltage DC bus.
  • the power consumption parameters include at least: power, frequency of use, and user requirements.
  • the priority of power consumption parameters is: priority of power> priority of use frequency> priority of user use requirements; according to the power consumption parameters of household appliances, connect household appliances to high-voltage DC bus or low-voltage DC bus, Including: connecting household appliances to high-voltage DC bus or low-voltage DC bus according to the priority of electrical parameters of household appliances.
  • connecting the home appliance to the high-voltage DC bus or the low-voltage DC bus according to the priority of the home appliance's power consumption parameters includes: connecting the home appliance to the high-voltage DC bus or the low-voltage DC bus according to the power of the home appliance; wherein, When the power of the home appliance is greater than the first preset power, connect the home appliance to the high-voltage DC bus; when the power of the home appliance is less than the second preset power, connect the home appliance to the low-voltage DC bus; when the power of the home appliance is less than When equal to the first preset power and greater than or equal to the second preset power, the home appliance is connected to the high-voltage DC bus or the low-voltage DC bus according to the frequency of use of the home appliance.
  • the use area includes at least one of the following: bedroom area, living room area, study area, dining area, bathroom area, kitchen area; wherein, the bedroom area
  • the living area, study area and dining area are frequent activity areas: bathroom area and kitchen area are living function areas.
  • connecting the household appliances to the high-voltage DC bus or the low-voltage DC bus includes: when the household appliances are in a frequently active area, the household appliances are connected to the low-voltage DC bus; At the time, according to the user's requirements for household appliances, connect the household appliances to the high-voltage DC bus or the low-voltage DC bus.
  • connecting household appliances to high-voltage DC bus or low-voltage DC bus according to user requirements of household appliances includes: connecting household appliances to high-voltage DC bus when the user's usage requirements are located in the upper part of the home environment; When it is required to be located in the lower part of the home environment, connect household appliances to the low-voltage DC bus.
  • a computer device which includes a memory, a processor, and a computer program stored on the memory and executable on the processor.
  • the processor executes the program, the wiring method of the household appliance as described above is implemented .
  • a storage medium containing computer-executable instructions, which when executed by a computer processor are configured to perform the wiring method of the household appliance as described above.
  • a wiring method for a full DC home power system and household appliances is proposed, which greatly reduces the DC home voltage level, and forms the basic DC home wiring principles according to the concepts of high and low voltage zones and DC appliance application zones , To ensure the safe and reliable power consumption of DC home appliances.
  • FIG. 1 is an optional structural block diagram of a DC household electricity system according to an embodiment of the present disclosure
  • FIG. 2 is an optional structural block diagram of a decentralized full DC home system according to an embodiment of the present disclosure
  • FIG. 3 is an optional structural block diagram of a centralized full DC home system according to an embodiment of the present disclosure
  • FIG. 4 is an optional structural block diagram of a distributed full DC home furnishing system according to an embodiment of the present disclosure
  • FIG. 5 is an optional flowchart of a wiring method of a household appliance according to an embodiment of the present disclosure.
  • FIG. 6 is an optional schematic diagram of the distribution of household appliances in a home area according to an embodiment of the present disclosure.
  • FIG. 1 shows an optional structural block diagram of the system. As shown in FIG. 1, the system includes:
  • the home power supply 102 is set to provide power for the household electricity system
  • the high-voltage DC bus 104 is connected to the household power supply 102 and is set to provide power for high-power electrical appliances;
  • the low-voltage DC bus 106 is connected to the home power supply 102 or the high-voltage DC bus 104, and is configured to provide power for low-power electrical appliances.
  • the high-power electrical appliance may be an electrical appliance whose power is greater than the first preset power
  • the low-power electrical appliance may be an electrical appliance whose power is less than the second preset power
  • a full DC home power system which greatly reduces the DC home voltage level, and forms a basic DC home wiring principle according to the concepts of high and low voltage zoning and DC electrical appliance application zoning, which ensures DC home furnishing Safe and reliable electricity.
  • the home power source is a DC power grid or a non-DC power grid; wherein the non-DC power grid includes at least one of the following: AC power grid, new energy, and energy storage equipment.
  • the high-voltage DC bus is directly connected to the DC power grid, and the low-voltage DC bus is connected to the high-voltage DC bus: when the home power supply is a non-DC power grid, the high-voltage DC bus is connected to the non-DC power grid through an energy router , The low-voltage DC bus is connected to the energy router or high-voltage DC bus.
  • the DC home power system When the home power supply is a DC power grid, the DC home power system is shown in Figure 2, which is a decentralized full DC home system.
  • the home DC power supply directly provides 360V-400V DC power from the DC power grid, and the low-voltage DC bus passes the DC converter Connect with high voltage DC bus.
  • connection of the low-voltage DC bus to the energy router or the high-voltage DC bus includes: according to the output capability of the low-voltage DC bus, and / or the output line of the energy router, determining whether the low-voltage DC bus is connected to the energy router or the high-voltage DC bus.
  • the output capacity of the low-voltage DC bus is the transmission capacity of the low-voltage DC bus, or the transmission distance of the low-voltage DC bus; the output capacity of the low-voltage DC bus includes meeting the needs of low-voltage homes or does not meet the needs of low-voltage homes; the output line of the energy router includes high-voltage DC lines Or high-voltage DC line and low-voltage DC line.
  • the low-voltage DC bus is connected to the energy router, and is connected to the energy router through the low-voltage DC line, as shown in FIG. 3 It is shown that it is a centralized full DC home system.
  • the home DC power supply can be provided by AC grid / new energy + energy router or DC grid + energy router; the output capacity of the low-voltage DC bus does not meet the needs of low-voltage home or energy router
  • the output line is a high-voltage DC line
  • the low-voltage DC bus is connected to the high-voltage DC bus; among them, the high-voltage DC bus is connected to the high-voltage DC line.
  • the low-voltage DC bus is divided into different low-voltage bus regions according to the use area.
  • each low-voltage bus region is connected to the high-voltage DC bus through a DC converter.
  • the in-home DC power supply can be provided by the AC grid / new energy + energy router, or by the DC grid + energy router.
  • the low-voltage DC bus is divided into different low-voltage bus regions according to the use area.
  • each low-voltage bus region is connected to the high-voltage DC bus through a DC converter.
  • the high-voltage DC bus is located in the upper part of the home space
  • the low-voltage DC bus is located in the lower part of the home space.
  • the voltages of the high-voltage DC bus and the low-voltage DC bus are determined according to the area where the household electrical system is located.
  • the basic architecture of the three full DC household electrical systems adopts the basic idea of high and low voltage safety isolation.
  • the high voltage voltage is 360V-400V (implemented according to actual application scenarios or national standards); the safe low voltage voltage is 48V / 24V (according to actual application scenarios or National standard implementation).
  • the basic architecture reduces various DC compressions of the full DC household electrical system to one high voltage and one safe low voltage.
  • high-voltage voltage be wired in the upper part of the home space when electrical wiring is carried out in the home; safe low-voltage voltage is wired in the lower part of the home space for ease of use; at the same time, high and low voltage voltage space isolation is achieved to ensure the overall home Electricity is safe and reliable.
  • FIG. 5 shows the method An optional flowchart, as shown in FIG. 5, the method includes the following steps S502-S504:
  • S504 Connect the home appliance to the high-voltage DC bus or the low-voltage DC bus according to the power consumption parameters of the home appliance.
  • a wiring method for household appliances which greatly reduces the DC home voltage level, and forms a basic DC home wiring principle based on the concepts of high and low voltage zoning and DC electrical appliance application zoning to solve the safety of DC home appliances Power consumption and reliable power consumption.
  • the power consumption parameters include at least: power, frequency of use, and user requirements.
  • the priority of power consumption parameters is: power priority> priority of frequency of use> priority of user use requirements; according to the power consumption parameters of household appliances, connect household appliances to high-voltage DC bus or low-voltage DC bus, including: Priority of electrical parameters of household appliances, connecting household appliances to high-voltage DC bus or low-voltage DC bus.
  • connecting the home appliance to the high-voltage DC bus or the low-voltage DC bus according to the priority of the electrical parameters of the home appliance includes: connecting the home appliance to the high-voltage DC bus or the low-voltage DC bus according to the power of the home appliance; wherein, When the power of the home appliance is greater than the first preset power, connect the home appliance to the high-voltage DC bus; when the power of the home appliance is less than the second preset power, connect the home appliance to the low-voltage DC bus; when the power of the home appliance is less than When equal to the first preset power and greater than or equal to the second preset power, the home appliance is connected to the high-voltage DC bus or the low-voltage DC bus according to the frequency of use of the home appliance.
  • household appliances are divided into different use areas, the use area includes at least one of the following: bedroom area, living room area, study area, dining area, bathroom area, kitchen area; wherein, the bedroom area The living area, study area and dining area are frequent activity areas: bathroom area and kitchen area are living function areas.
  • connect household appliances to high-voltage DC bus or low-voltage DC bus including: when household appliances are in a frequently active area, connect household appliances to low-voltage DC bus; when household appliances are in living function area, according to The user's requirements for household appliances are to connect the household appliances to the high-voltage DC bus or the low-voltage DC bus.
  • connect the home appliance to the high-voltage DC bus or the low-voltage DC bus according to the user requirements of the home appliance including: connecting the home appliance to the high-voltage DC bus when the user's use requirement is located in the upper part of the home environment; When the use requirement is located in the lower part of the home environment, connect household appliances to the low-voltage DC bus.
  • the home DC appliances are evaluated in three dimensions of power, voltage and use area, and the distribution diagram of DC appliances in the full DC home application environment is shown in FIG. 6.
  • DC appliances are often configured as low-power, safe, low-voltage, and mobile DC appliances at any time.
  • the air conditioners involved in the frequent activity area are installed in the upper part of the space of the home environment, which is isolated from the voltage level and physical space to ensure the safety of electricity.
  • DC appliances in living function areas such as bathing areas and kitchen areas usually have a slightly higher power level.
  • a preferred embodiment 3 of the present disclosure also provides a computer device, including a memory, a processor, and a computer stored on the memory and capable of running on the processor Program, the processor implements the method as described above when executing the program.
  • a wiring method for household appliances which greatly reduces the DC home voltage level, and forms a basic DC home wiring principle based on the concepts of high and low voltage zoning and DC electrical appliance application zoning to solve the safety of DC home appliances Power consumption and reliable power consumption.
  • a storage medium containing computer-executable instructions is also provided.
  • the computer-executable instructions are executed by the computer processor Set to perform the method described above.
  • a wiring method for household appliances which greatly reduces the DC home voltage level, and forms a basic DC home wiring principle based on the concepts of high and low voltage zoning and DC electrical appliance application zoning to solve the safety of DC home appliances Power consumption and reliable power consumption.
  • the solution provided by the embodiments of the present disclosure can be applied to DC home appliances.
  • basic DC home wiring principles are formed, which solves the problems in the prior art that DC home wiring is complicated and has poor safety performance.
  • the problem improves the safety and reliability of electricity used in the DC furniture system.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

本公开公开了一种直流家居用电系统及基于该系统的家用电器的接线方法，其中，该系统包括：入户电源，设置为为家居用电系统提供电源；高压直流母线，与入户电源连接，设置为为大功率电器提供电源；低压直流母线，与入户电源或高压直流母线连接，设置为为小功率电器提供电源。

Description

直流家居用电系统及基于该系统的家用电器的接线方法 技术领域
本公开涉及直流家居技术领域，具体而言，涉及一种直流家居用电系统及基于该系统的家用电器的接线方法。
背景技术
随着直流化的快速发展,直流家居、直流建筑、直流电器近几年逐渐成为各行业热点。直流电器功率级别的差异、工作电压的差异等使得直流家居、直流建筑存在多个直流电压，整体系统的走线复杂，易交叉，容易形成强弱电的干扰等。
针对相关技术中直流家居布线复杂且安全性差的问题，目前尚未提出有效地解决方案。
发明内容
本公开提供了一种直流家居用电系统及基于该系统的家用电器的接线方法，以至少解决现有技术中直流家居布线复杂且安全性差的问题。
为解决上述技术问题，根据本公开其中一实施例，提供了一种直流家居用电系统，包括：入户电源，设置为为家居用电系统提供电源；高压直流母线，与入户电源连接，设置为为大功率电器提供电源；低压直流母线，与入户电源或高压直流母线连接，设置为为小功率电器提供电源。
进一步地，入户电源为直流电网或非直流电网；其中，非直流电网至少包括以下之一：交流电网、新能源、储能设备。
进一步地，在入户电源为直流电网时，高压直流母线直接与直流电网连接，低压直流母线与高压直流母线连接：在入户电源为非直流电网时，高压直流母线通过能源路由器与非直流电网连接，低压直流 母线与能源路由器或高压直流母线连接。
进一步地，低压直流母线与能源路由器或高压直流母线连接包括：根据低压直流母线的输出能力，和/或，能源路由器的输出线路，确定低压直流母线与能源路由器连接或者与高压直流母线连接。
进一步地，低压直流母线的输出能力为低压直流母线的传输能力，或，低压直流母线的传输距离；低压直流母线的输出能力包括满足低压家居需求或不满足低压家居需求；能源路由器的输出线路包括高压直流线或高压直流线和低压直流线。
进一步地，在低压直流母线的输出能力满足低压家居需求，且能源路由器的输出线路为高压直流线和低压直流线时，低压直流母线与能源路由器连接，且通过低压直流线与能源路由器连接；在低压直流母线的输出能力不满足低压家居需求，或能源路由器的输出线路为高压直流线时，低压直流母线与高压直流母线连接；其中，高压直流母线与高压直流线连接。进一步地，低压直流母线根据使用区域分为不同的低压母线区域，在低压直流母线与高压直流母线连接时，每个低压母线区域均通过直流转换器与高压直流母线连接。
进一步地，高压直流母线位于家居空间的上部，低压直流母线位于家居空间的下部。
进一步地，高压直流母线和低压直流母线的电压均根据家居用电系统所处的地区确定。
根据本公开其中一实施例，提供了一种家用电器的接线方法，基于上述的直流家居用电系统，包括：获取家用电器的用电参数；根据家用电器的用电参数，将家用电器连接于高压直流母线或低压直流母线。
进一步地，用电参数至少包括：功率、使用频率、用户使用要求。
进一步地，用电参数的优先级为：功率的优先级＞使用频率的优先级＞用户使用要求的优先级；根据家用电器的用电参数，将家用电器连接于高压直流母线或低压直流母线，包括：根据家用电器的用电参数的优先级，将家用电器连接于高压直流母线或低压直流母线。
进一步地，根据家用电器的用电参数的优先级，将家用电器连接于高压直流母线或低压直流母线，包括：根据家用电器的功率，将家 用电器连接于高压直流母线或低压直流母线；其中，在家用电器的功率大于第一预设功率时，将家用电器连接于高压直流母线；在家用电器的功率小于第二预设功率时，将家用电器连接于低压直流母线；在家用电器的功率小于等于第一预设功率，且大于等于第二预设功率时，根据家用电器的使用频率，将家用电器连接于高压直流母线或低压直流母线。
进一步地，根据家用电器的使用频率，将家用电器分为不同的使用区域，使用区域至少包括以下之一：卧室区、客厅区、书房区、餐厅区、卫浴区，厨房区；其中，卧室区、客厅区、书房区、餐厅区为频繁活动区：卫浴区，厨房区为生活功能区。
进一步地，根据家用电器的使用频率，将家用电器连接于高压直流母线或低压直流母线，包括：在家用电器为频繁活动区时，将家用电器连接于低压直流母线；在家用电器为生活功能区时，根据家用电器的用户使用要求，将家用电器连接于高压直流母线或低压直流母线。
进一步地，根据家用电器的用户使用要求，将家用电器连接于高压直流母线或低压直流母线，包括：在用户使用要求为位于家居环境的上部时，将家用电器连接于高压直流母线；在用户使用要求为位于家居环境的下部时，将家用电器连接于低压直流母线。
根据本公开其中一实施例，提供了一种计算机设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，处理器执行程序时实现如上述的家用电器的接线方法。
根据本公开其中一实施例，提供了一种包含计算机可执行指令的存储介质，计算机可执行指令在由计算机处理器执行时设置为执行如上述的家用电器的接线方法。
在本公开中，提出一种全直流家庭用电系统及家用电器的接线方法，对直流家居电压等级进行大幅缩减，并根据高低压分区及直流电器应用分区的概念，形成基本的直流家居布线原则，保证了直流家居的安全用电及可靠用电。
附图说明
图1是根据本公开实施例的直流家居用电系统的一种可选的结构 框图；
图2是根据本公开实施例的分散式全直流家居系统的一种可选的结构框图；
图3是根据本公开实施例的集中式全直流家居系统的一种可选的结构框图；
图4是根据本公开实施例的集散式全直流家居系统的一种可选的结构框图；
图5是根据本公开实施例的家用电器的接线方法的一种可选的流程图；以及
图6是根据本公开实施例的家用电器在家居区域的分布的一种可选的示意图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
实施例1
在本公开优选的实施例1中提供了一种直流家居用电系统，具体地，图1示出该系统的一种可选的结构框图，如图1所示，该系统包括：
入户电源102，设置为为家居用电系统提供电源；
高压直流母线104，与入户电源102连接，设置为为大功率电器提供电源；
低压直流母线106，与入户电源102或高压直流母线104连接，设置为为小功率电器提供电源。
其中，大功率电器可选的为功率大于第一预设功率的电器，小功率电器可选的为功率小于第二预设功率的电器。
在上述实施方式中，提出一种全直流家庭用电系统，对直流家居电压等级进行大幅缩减，并根据高低压分区及直流电器应用分区的概念，形成基本的直流家居布线原则，保证了直流家居的安全用电及可 靠用电。
在本公开一个优选的实施方式中，入户电源为直流电网或非直流电网；其中，非直流电网至少包括以下之一：交流电网、新能源、储能设备。
其中，在入户电源为直流电网时，高压直流母线直接与直流电网连接，低压直流母线与高压直流母线连接：在入户电源为非直流电网时，高压直流母线通过能源路由器与非直流电网连接，低压直流母线与能源路由器或高压直流母线连接。
在入户电源为直流电网时，直流家居用电系统如图2所示，为分散式全直流家居系统，入户直流电源由直流电网直接提供360V-400V直流电源，低压直流母线通过直流转换器与高压直流母线连接。
进一步地，低压直流母线与能源路由器或高压直流母线连接包括：根据低压直流母线的输出能力，和/或，能源路由器的输出线路，确定低压直流母线与能源路由器连接或者与高压直流母线连接。低压直流母线的输出能力为低压直流母线的传输能力，或，低压直流母线的传输距离；低压直流母线的输出能力包括满足低压家居需求或不满足低压家居需求；能源路由器的输出线路包括高压直流线或高压直流线和低压直流线。在低压直流母线的输出能力满足低压家居需求，且能源路由器的输出线路为高压直流线和低压直流线时，低压直流母线与能源路由器连接，且通过低压直流线与能源路由器连接，如图3所示，为集中式全直流家居系统，入户直流电源可由交流电网/新能源+能源路由器提供，也可由直流电网+能源路由器提供；在低压直流母线的输出能力不满足低压家居需求，或能源路由器的输出线路为高压直流线时，低压直流母线与高压直流母线连接；其中，高压直流母线与高压直流线连接。进一步地，低压直流母线根据使用区域分为不同的低压母线区域，在低压直流母线与高压直流母线连接时，每个低压母线区域均通过直流转换器与高压直流母线连接。如图4所示，为集散式全直流家居系统，入户直流电源可由交流电网/新能源+能源路由器提供，也可由直流电网+能源路由器提供。
其中，低压直流母线根据使用区域分为不同的低压母线区域，在低压直流母线与高压直流母线连接时，每个低压母线区域均通过直流 转换器与高压直流母线连接。
进一步地，高压直流母线位于家居空间的上部，低压直流母线位于家居空间的下部。高压直流母线和低压直流母线的电压均根据家居用电系统所处的地区确定。
三种全直流家居用电系统基本架构均采用高低压安全隔离的基本思想，高压电压采用360V-400V(根据实际应用场景或国家标准执行)；安全低压电压采用48V/24V(根据实际应用场景或国家标准执行)。基本架构将全直流家居用电系统多种直流电压缩减为1种高压电压和1种安全低压电压。同时根据该架构及日常电器应用习惯，在家居进行电气布线时，建议高压电压布线于家居空间上部；安全低压电压布线于家居空间下部，便于使用；同时实现高低压电压的空间隔离，保证整体家居用电的安全可靠。
实施例2
基于上述实施例1中提供的系统，在本公开优选的实施例2中还提供了一种家用电器的接线方法，该控制方法可以直接应用至上述系统，具体来说，图5示出该方法的一种可选的流程图，如图5所示，该方法包括如下步骤S502-S504：
S502：获取家用电器的用电参数；
S504：根据家用电器的用电参数，将家用电器连接于高压直流母线或低压直流母线。
在上述实施方式中，提出一种家用电器的接线方法，对直流家居电压等级进行大幅缩减，并根据高低压分区及直流电器应用分区的概念，形成基本的直流家居布线原则，解决直流家居的安全用电及可靠用电。
其中，用电参数至少包括：功率、使用频率、用户使用要求。用电参数的优先级为：功率的优先级＞使用频率的优先级＞用户使用要求的优先级；根据家用电器的用电参数，将家用电器连接于高压直流母线或低压直流母线，包括：根据家用电器的用电参数的优先级，将家用电器连接于高压直流母线或低压直流母线。
优选地，根据家用电器的用电参数的优先级，将家用电器连接于高压直流母线或低压直流母线，包括：根据家用电器的功率，将家用 电器连接于高压直流母线或低压直流母线；其中，在家用电器的功率大于第一预设功率时，将家用电器连接于高压直流母线；在家用电器的功率小于第二预设功率时，将家用电器连接于低压直流母线；在家用电器的功率小于等于第一预设功率，且大于等于第二预设功率时，根据家用电器的使用频率，将家用电器连接于高压直流母线或低压直流母线。
进一步地，根据家用电器的使用频率，将家用电器分为不同的使用区域，使用区域至少包括以下之一：卧室区、客厅区、书房区、餐厅区、卫浴区，厨房区；其中，卧室区、客厅区、书房区、餐厅区为频繁活动区：卫浴区，厨房区为生活功能区。根据家用电器的使用频率，将家用电器连接于高压直流母线或低压直流母线，包括：在家用电器为频繁活动区时，将家用电器连接于低压直流母线；在家用电器为生活功能区时，根据家用电器的用户使用要求，将家用电器连接于高压直流母线或低压直流母线。
可选地，根据家用电器的用户使用要求，将家用电器连接于高压直流母线或低压直流母线，包括：在用户使用要求为位于家居环境的上部时，将家用电器连接于高压直流母线；在用户使用要求为位于家居环境的下部时，将家用电器连接于低压直流母线。
根据使用区域和习惯，对家庭直流电器从功率、电压、使用区域三个维度进行评价，确定直流电器在全直流家居应用环境中的分布图如图6所示。在卧室、客厅、书房区以及餐厅区域中等频繁活动区域，直流电器常配置为小功率、安全低电压、可随时移动的直流电器。而在频繁活动区域中涉及到的空调等根据安装位置及用电要求，安装于家居环境的空间上部，从电压等级和物理空间上实现隔离，保证用电安全。在生活功能区如洗浴区和厨房区直流电器通常功率等级略大，根据用电要求合理选择高压直流母线或低压直流母线，并根据高低压分区的原则进行布线设计。
实施例3
基于上述实施例2中提供的家用电器的接线方法，在本公开优选的实施例3中还提供了一种计算机设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述处理器执行所述 程序时实现如上述的方法。
在上述实施方式中，提出一种家用电器的接线方法，对直流家居电压等级进行大幅缩减，并根据高低压分区及直流电器应用分区的概念，形成基本的直流家居布线原则，解决直流家居的安全用电及可靠用电。
实施例4
基于上述实施例2中提供的家用电器的接线方法，在本公开优选的实施例4中还提供了一种包含计算机可执行指令的存储介质，所述计算机可执行指令在由计算机处理器执行时设置为执行如上述的方法。
在上述实施方式中，提出一种家用电器的接线方法，对直流家居电压等级进行大幅缩减，并根据高低压分区及直流电器应用分区的概念，形成基本的直流家居布线原则，解决直流家居的安全用电及可靠用电。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本公开旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未发明的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利要求来限制。
工业实用性
本公开实施例提供的方案，可以应用在直流家居方面，根据高低压分区及直流电器应用分区的概念，形成基本的直流家居布线原则，解决了现有技术中直流家居布线复杂，安全性能差的问题，提高了直流家具系统用电的安全性和可靠性。

Claims (18)

  1. 一种直流家居用电系统，包括：
    入户电源，设置为为家居用电系统提供电源；
    高压直流母线，与所述入户电源连接，设置为为大功率电器提供电源；
    低压直流母线，与所述入户电源或所述高压直流母线连接，设置为为小功率电器提供电源。
  2. 根据权利要求1所述的系统，其特征在于，所述入户电源为直流电网或非直流电网；其中，所述非直流电网至少包括以下之一：交流电网、新能源、储能设备。
  3. 根据权利要求2所述的系统，其中，
    在所述入户电源为所述直流电网时，所述高压直流母线直接与所述直流电网连接，所述低压直流母线与所述高压直流母线连接：
    在所述入户电源为所述非直流电网时，所述高压直流母线通过能源路由器与所述非直流电网连接，所述低压直流母线与所述能源路由器或所述高压直流母线连接。
  4. 根据权利要求3所述的系统，其中，所述低压直流母线与所述能源路由器或所述高压直流母线连接包括：
    根据所述低压直流母线的输出能力，和/或，所述能源路由器的输出线路，确定所述低压直流母线与所述能源路由器连接或者与所述高压直流母线连接。
  5. 根据权利要求4所述的系统，其中，
    所述低压直流母线的输出能力为所述低压直流母线的传输能力，或，所述低压直流母线的传输距离；
    所述低压直流母线的输出能力包括满足低压家居需求或不满足低压家居需求；
    所述能源路由器的输出线路包括高压直流线或高压直流线和低压直流线。
  6. 根据权利要求5所述的系统，其中，
    在所述低压直流母线的输出能力满足低压家居需求，且所述能源路由器的输出线路为所述高压直流线和所述低压直流线时，所述低压 直流母线与所述能源路由器连接，且通过所述低压直流线与所述能源路由器连接；
    在所述低压直流母线的输出能力不满足低压家居需求，或所述能源路由器的输出线路为所述高压直流线时，所述低压直流母线与所述高压直流母线连接；其中，所述高压直流母线与所述高压直流线连接。
  7. 根据权利要求6所述的系统，其中，所述低压直流母线根据使用区域分为不同的低压母线区域，
    在所述低压直流母线与所述高压直流母线连接时，每个所述低压母线区域均通过直流转换器与所述高压直流母线连接。
  8. 根据权利要求1所述的系统，其中，所述高压直流母线位于家居空间的上部，所述低压直流母线位于家居空间的下部。
  9. 根据权利要求1所述的系统，其中，所述高压直流母线和所述低压直流母线的电压均根据所述家居用电系统所处的地区确定。
  10. 一种家用电器的接线方法，基于如权利要求1-9任一项所述的直流家居用电系统，包括：
    获取家用电器的用电参数；
    根据所述家用电器的用电参数，将所述家用电器连接于所述高压直流母线或所述低压直流母线。
  11. 根据权利要求10所述的方法，其中，所述用电参数至少包括：功率、使用频率、用户使用要求。
  12. 根据权利要求11所述的方法，其中，所述用电参数的优先级为：所述功率的优先级＞所述使用频率的优先级＞所述用户使用要求的优先级；根据所述家用电器的用电参数，将所述家用电器连接于所述高压直流母线或所述低压直流母线，包括：
    根据所述家用电器的用电参数的优先级，将所述家用电器连接于所述高压直流母线或所述低压直流母线。
  13. 根据权利要求12所述的方法，其中，所述根据所述家用电器的用电参数的优先级，将所述家用电器连接于所述高压直流母线或所述低压直流母线，包括：
    根据所述家用电器的功率，将所述家用电器连接于所述高压直流母线或所述低压直流母线；
    其中，在所述家用电器的功率大于第一预设功率时，将所述家用电器连接于所述高压直流母线；
    在所述家用电器的功率小于第二预设功率时，将所述家用电器连接于所述低压直流母线；
    在所述家用电器的功率小于等于所述第一预设功率，且大于等于所述第二预设功率时，根据所述家用电器的使用频率，将所述家用电器连接于所述高压直流母线或所述低压直流母线。
  14. 根据权利要求13所述的方法，其中，根据所述家用电器的使用频率，将所述家用电器分为不同的使用区域，所述使用区域至少包括以下之一：卧室区、客厅区、书房区、餐厅区、卫浴区，厨房区；其中，所述卧室区、客厅区、书房区、餐厅区为频繁活动区：所述卫浴区，厨房区为生活功能区。
  15. 根据权利要求14所述的方法，其中，所述根据所述家用电器的使用频率，将所述家用电器连接于所述高压直流母线或所述低压直流母线，包括：
    在所述家用电器为所述频繁活动区时，将所述家用电器连接于所述低压直流母线；
    在所述家用电器为所述生活功能区时，根据所述家用电器的用户使用要求，将所述家用电器连接于所述高压直流母线或所述低压直流母线。
  16. 根据权利要求15所述的方法，其中，所述根据所述家用电器的用户使用要求，将所述家用电器连接于所述高压直流母线或所述低压直流母线，包括：
    在所述用户使用要求为位于家居环境的上部时，将所述家用电器连接于所述高压直流母线；
    在所述用户使用要求为位于家居环境的下部时，将所述家用电器连接于所述低压直流母线。
  17. 一种计算机设备，包括存储器、处理器及存储在存储器上并可在所述处理器上运行的计算机程序，所述处理器执行所述计算机程序时实现如权利要求10至16中任一项所述的家用电器的接线方法。
  18. 一种包含计算机可执行指令的存储介质，所述计算机可执行指 令在由计算机处理器执行时设置为执行如权利要求10至16中任一项所述的家用电器的接线方法。
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