CN109268922A - Direct-expansion type heat pump adds photovoltaic power generation coupling to utilize heating system - Google Patents
Direct-expansion type heat pump adds photovoltaic power generation coupling to utilize heating system Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 69
- 238000010248 power generation Methods 0.000 title claims abstract description 35
- 230000008878 coupling Effects 0.000 title claims abstract description 18
- 238000010168 coupling process Methods 0.000 title claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000004378 air conditioning Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 5
- 239000008399 tap water Substances 0.000 claims description 4
- 235000020679 tap water Nutrition 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/02—Photovoltaic energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
- F24D2200/123—Compression type heat pumps
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
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Abstract
Description
技术领域：Technical field:
本发明涉及一种光伏发电及光热采暖系统，特别是一种直膨式热泵加光伏发电耦合利用采暖系统。The invention relates to a photovoltaic power generation and a photothermal heating system, in particular to a direct expansion heat pump and a photovoltaic power generation coupling utilization heating system.
背景技术：Background technique:
我国处于能源利用大国，可再生能源、清洁能源和替代能源急需开发和应用。太阳能光伏作为一种清洁绿色能源，其环保性、持续性、丰富性等优点受到人们的青睐。现有技术中有光伏发电的利用与直膨式热泵技术有机结合在一起的应用系统，如CN105716329B公开的一种直膨式太阳能热泵系统，其由太阳能集热/蓄热/蒸发器，两个三通阀门，气液分离器，四通换向阀，压缩机，冷凝换热器，四个单向阀门，电子膨胀阀，储液器，干燥过滤器，储热水箱以及辅助蒸发器组成；该直膨式热泵+太阳能发电技术在传统的空气源热泵技术上大幅提高了制热COP值，降低了环境因素对其的影响，实现了热水的集中收集和太阳能的高效利用，环保节能。China is in a big country of energy utilization, and renewable energy, clean energy and alternative energy are urgently needed to be developed and applied. As a kind of clean green energy, solar photovoltaic has been favored by people for its environmental protection, sustainability and richness. In the prior art, there is an application system in which photovoltaic power generation is combined with direct expansion heat pump technology, such as a direct expansion solar heat pump system disclosed in CN105716329B, which is composed of a solar heat collecting/heat storage/evaporator, two Three-way valve, gas-liquid separator, four-way reversing valve, compressor, condensing heat exchanger, four one-way valves, electronic expansion valve, accumulator, drying filter, hot water storage tank and auxiliary evaporator The direct expansion heat pump + solar power generation technology greatly improves the heating COP value in the traditional air source heat pump technology, reduces the influence of environmental factors on it, realizes the concentrated collection of hot water and the efficient use of solar energy, and is environmentally friendly and energy-saving. .
目前，冬季农村及无暖气环境下的供暖主要是采用传统的散煤燃烧、炉体和烟筒散热的方式，采暖期安全事故、环境污染问题突出。为此，在现有技术对太阳能光伏的开发与应用基础上，针对住宅供暖供电采用的光伏光热空气能利用系统，研发出一种直膨式热泵加光伏发电供热系统。At present, the heating in rural and non-heating environments in the winter is mainly based on the traditional method of loose coal combustion, furnace body and chimney cooling. The safety accidents and environmental pollution problems during the heating period are prominent. To this end, based on the development and application of solar photovoltaic technology in the prior art, a direct expansion heat pump plus photovoltaic power generation system has been developed for the photovoltaic light and hot air energy utilization system used for residential heating and power supply.
发明内容：Summary of the invention:
本发明的目的旨在提供一种直膨式热泵加光伏发电耦合利用采暖系统，将直膨式太阳能热泵采暖系统与太阳能光伏发电系统进行耦合利用，实现住宅供暖供电达到目标值的同时，提高直膨式太阳能热泵采暖系统中太阳能的贡献率，使系统最终实现零费用运行。The object of the present invention is to provide a direct expansion heat pump and photovoltaic power generation coupling utilization heating system, and the direct expansion type solar heat pump heating system is coupled with the solar photovoltaic power generation system to realize the heating power supply of the house to reach the target value and improve the straightness. The contribution rate of solar energy in the expansion solar heat pump heating system enables the system to achieve zero cost operation.
为达到上述目的，本发明采取以下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种直膨式热泵加光伏发电耦合利用采暖系统，主要由直膨式太阳能热泵采暖系统与太阳能光伏发电系统组成，其中：A direct expansion heat pump and photovoltaic power generation coupling utilization heating system is mainly composed of a direct expansion solar heat pump heating system and a solar photovoltaic power generation system, wherein:
直膨式太阳能热泵采暖系统由太阳能集热蒸发器、压缩机、冷凝器、缓冲水箱、热力膨胀阀、空气源热泵构成；所述太阳能集热蒸发器、压缩机与空气源热泵通过蒸汽管道并联连接，热力膨胀阀安装于压缩机与空气源热泵的蒸汽管道之间，冷凝器的进口与压缩机的排气口连接，经压缩机压缩后的蒸汽通过冷凝器换热进行加热；所述缓冲水箱的一端通过集水管道与所述空气源热泵的输出端相连接，另一端通过集水管道分别连接膨胀罐和集分水器，所述集分水器通过管道与风机盘管连接，用于为住宅提供空调供暖；The direct expansion solar heat pump heating system is composed of a solar collector evaporator, a compressor, a condenser, a buffer water tank, a thermal expansion valve and an air source heat pump; the solar collector evaporator, the compressor and the air source heat pump are connected in parallel through the steam pipeline Connecting, the thermal expansion valve is installed between the compressor and the steam pipe of the air source heat pump, the inlet of the condenser is connected with the exhaust port of the compressor, and the steam compressed by the compressor is heated by the heat exchange of the condenser; the buffer One end of the water tank is connected to the output end of the air source heat pump through a water collecting pipe, and the other end is connected to the expansion tank and the collecting water separator through the water collecting pipe respectively, and the collecting water separator is connected to the fan coil through the pipe, and is used. Providing air conditioning for the home;
太阳能光伏发电系统由太阳能光伏组件阵列、并网逆变器、智能配电箱、用户侧配电箱以及充电终端设备的充电桩构成；所述太阳能光伏组件阵列与并网逆变器的一端连接，并网逆变器的另一端分别连接智能配电箱和所述直膨式太阳能热泵采暖系统的空气源热泵；所述智能配电箱与用户侧配电箱一端连接，用户侧配电箱的另一端分别与市电网和充电终端设备的充电桩相连，用于为新能源电动汽车或电动摩托车等供电。The solar photovoltaic power generation system is composed of a solar photovoltaic module array, a grid-connected inverter, a smart distribution box, a user-side distribution box, and a charging pile of a charging terminal device; the solar photovoltaic module array is connected to one end of the grid-connected inverter The other end of the grid-connected inverter is respectively connected with a smart distribution box and an air source heat pump of the direct-expansion solar heat pump heating system; the smart distribution box is connected with one end of the user-side distribution box, and the user-side distribution box The other end is connected to a charging post of the city grid and charging terminal equipment, respectively, for powering new energy electric vehicles or electric motorcycles.
进一步地，上述直膨式热泵加光伏发电耦合利用采暖系统还设有智能控制系统，所述智能控制系统包括太阳能集热蒸发器控制模块、空气源热泵控制模块和室内控制模块，其分别与系统中所述的太阳能集热蒸发器、空气源热泵及市电网相连通；其中，所述太阳能集热蒸发器控制模块和空气源热泵控制模块用于自动监控所述太阳能集热蒸发器内循环介质的温度，并通过电磁阀自动控制所述太阳能集热蒸发器中制冷剂管路的开启或关闭，同时不断调整控制所述压缩机的进气量；所述室内控制模块用于控制所述太阳能光伏发电系统为所述空气源热泵进行供电。Further, the above-mentioned direct expansion heat pump plus photovoltaic power generation coupling utilization heating system is further provided with an intelligent control system, which comprises a solar collector evaporator control module, an air source heat pump control module and an indoor control module, respectively, and the system The solar collector evaporator, the air source heat pump and the city grid are connected; wherein the solar collector evaporator control module and the air source heat pump control module are used for automatically monitoring the circulating medium in the solar collector evaporator Temperature, and automatically controlling the opening or closing of the refrigerant line in the solar collector evaporator by a solenoid valve while continuously adjusting the amount of intake air of the compressor; the indoor control module is used to control the solar energy A photovoltaic power generation system supplies power to the air source heat pump.
进一步地，上述缓冲水箱底端通有自来水补水管道，为缓冲水箱供水。Further, the bottom end of the buffer water tank is provided with a tap water supply pipe to supply water to the buffer water tank.
进一步地，上述太阳能光伏组件阵列由若干个270W的多晶组件组成，其直流侧功率为5.4W。Further, the solar photovoltaic module array described above is composed of a plurality of 270W polycrystalline components having a DC side power of 5.4W.
本发明的有益效果在于：The beneficial effects of the invention are:
本发明采用直膨式太阳能热泵采暖系统与太阳能光伏发电的耦合利用技术，实现了为示范建筑住宅采暖期每天08:00-18:00时段提供空调供暖，达到了室内温度不低于18℃、年度供暖期不低于150天的设计目标，且直膨式热泵+光伏发电耦合利用采暖系统，作为太阳能供暖其贡献率不低于65％，系统后期实现了零费用运行。The invention adopts the coupling utilization technology of the direct expansion solar heat pump heating system and the solar photovoltaic power generation, and realizes the air conditioning heating for the demonstration building residential heating period from 08:00 to 18:00 every day, and the indoor temperature is not lower than 18 ° C, The annual heating period is not less than 150 days of design goals, and the direct expansion heat pump + photovoltaic power generation coupling utilization heating system, as a solar heating, its contribution rate is not less than 65%, and the system realizes zero cost operation later.
附图说明：BRIEF DESCRIPTION OF THE DRAWINGS:
图1是本发明直膨式热泵加光伏发电耦合利用采暖系统的结构示意图；1 is a schematic structural view of a direct expansion heat pump plus photovoltaic power generation coupling utilization heating system of the present invention;
图2是本发明中太阳能光伏发电系统的原理示意图；2 is a schematic diagram of the principle of a solar photovoltaic power generation system in the present invention;
图中：1-太阳能集热蒸发器，2-压缩机，3-缓冲水箱，4-热力膨胀阀，5-空气源热泵，6-蒸汽管道，7-集水管道，8-膨胀罐，9-集分水器，10-风机盘管，11-太阳能光伏组件阵列，12-并网逆变器，13-智能配电箱，14-用户侧配电箱，15-充电终端设备的充电桩，16-市电网，17-自来水补水管道。In the picture: 1-Solar collector evaporator, 2-compressor, 3-buffer tank, 4-thermal expansion valve, 5-air source heat pump, 6-steam pipe, 7-catch pipe, 8-expansion tank, 9 - Set water separator, 10-fan coil, 11-solar PV module array, 12-grid inverter, 13-smart distribution box, 14-user-side distribution box, 15-charging terminal charging pile , 16-city grid, 17- tap water hydration pipeline.
具体实施方式：Detailed ways:
下面结合附图对本发明的技术方案进行详细说明。The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
如图1～2所示，一种直膨式热泵加光伏发电耦合利用采暖系统，主要由直膨式太阳能热泵采暖系统与太阳能光伏发电系统组成，其中：As shown in Figure 1-2, a direct expansion heat pump plus photovoltaic power generation coupling heating system is mainly composed of a direct expansion solar heat pump heating system and a solar photovoltaic power generation system, wherein:
直膨式太阳能热泵采暖系统由太阳能集热蒸发器1、压缩机2、冷凝器、缓冲水箱3、热力膨胀阀4、空气源热泵5构成；太阳能集热蒸发器1、压缩机2与空气源热泵5通过蒸汽管道6并联连接，热力膨胀阀4安装于压缩机2与空气源热泵5的蒸汽管道6之间，冷凝器的进口与压缩机2的排气口连接，经压缩机2压缩后的蒸汽通过冷凝器换热进行加热；缓冲水箱3的一端通过集水管道7与空气源热泵5的输出端相连接，另一端通过集水管道7分别连接膨胀罐8和集分水器9，集分水器9通过管道与风机盘管10连接，用于为住宅提供空调供暖；缓冲水箱3底端通有自来水补水管道17，为缓冲水箱供水。The direct expansion solar heat pump heating system is composed of a solar collector evaporator 1, a compressor 2, a condenser, a buffer tank 3, a thermal expansion valve 4, and an air source heat pump 5; a solar collector evaporator 1, a compressor 2 and an air source The heat pump 5 is connected in parallel via a steam pipe 6, and the thermal expansion valve 4 is installed between the compressor 2 and the steam pipe 6 of the air source heat pump 5. The inlet of the condenser is connected to the exhaust port of the compressor 2, and is compressed by the compressor 2. The steam is heated by the heat exchange of the condenser; one end of the buffer water tank 3 is connected to the output end of the air source heat pump 5 through the water collecting pipe 7, and the other end is connected to the expansion tank 8 and the collecting water separator 9 through the water collecting pipe 7, respectively. The water separator 9 is connected to the fan coil 10 through a pipe for heating air conditioning for the house; the bottom of the buffer water tank 3 is provided with a tap water supply pipe 17 for supplying water to the buffer water tank.
太阳能光伏发电系统由太阳能光伏组件阵列11、并网逆变器12、智能配电箱13、用户侧配电箱14以及充电终端设备的充电桩15构成；太阳能光伏组件阵列11与并网逆变器12的一端连接，并网逆变器12的另一端分别连接智能配电箱13和直膨式太阳能热泵采暖系统的空气源热泵5；智能配电箱13与用户侧配电箱14一端连接，用户侧配电箱14的另一端分别与市电网16和充电终端设备的充电桩15相连，用于为新能源电动汽车或电动摩托车等供电。The solar photovoltaic power generation system is composed of a solar photovoltaic module array 11, a grid-connected inverter 12, a smart distribution box 13, a user-side distribution box 14 and a charging pile 15 of a charging terminal device; the solar photovoltaic module array 11 and the grid-connected inverter One end of the grid 12 is connected, and the other end of the grid-connected inverter 12 is respectively connected to the intelligent distribution box 13 and the air source heat pump 5 of the direct expansion solar heat pump heating system; the intelligent distribution box 13 is connected to one end of the user-side distribution box 14 The other end of the user-side power distribution box 14 is connected to the power grid 16 and the charging pile 15 of the charging terminal device, respectively, for supplying power to a new energy electric vehicle or an electric motorcycle.
太阳能光伏组件阵列11由若干个270W的多晶组件组成，其直流侧功率为5.4W。The solar photovoltaic module array 11 is composed of a plurality of 270 W polycrystalline components with a DC side power of 5.4 W.
本发明直膨式热泵加光伏发电耦合利用采暖系统还设有智能控制系统，智能控制系统包括太阳能集热蒸发器控制模块、空气源热泵控制模块和室内控制模块，其分别与系统中的太阳能集热蒸发器1、空气源热泵5及市电网16相连通；其中，太阳能集热蒸发器控制模块和空气源热泵控制模块用于自动监控太阳能集热蒸发器1内循环介质的温度，并通过电磁阀自动控制太阳能集热蒸发器1中制冷剂管路的开启或关闭，同时不断调整控制压缩机的进气量；室内控制模块用于控制太阳能光伏发电系统为空气源热泵5进行供电。The direct expansion heat pump and photovoltaic power generation coupling utilization heating system of the invention also has an intelligent control system, and the intelligent control system comprises a solar collector evaporator control module, an air source heat pump control module and an indoor control module, respectively, and the solar energy set in the system respectively The thermal evaporator 1, the air source heat pump 5 and the city grid 16 are connected; wherein the solar collector evaporator control module and the air source heat pump control module are used for automatically monitoring the temperature of the circulating medium in the solar collector evaporator 1 and passing the electromagnetic The valve automatically controls the opening or closing of the refrigerant pipeline in the solar collector evaporator 1 while continuously adjusting and controlling the intake air amount of the compressor; the indoor control module is used to control the solar photovoltaic power generation system to supply power to the air source heat pump 5.
本发明直膨式热泵加光伏发电耦合利用采暖系统的运行原理：The operating principle of the direct expansion heat pump plus photovoltaic power generation coupling utilization heating system of the invention is as follows:
(1)通过太阳能光伏发电系统中的太阳能光伏组件阵列11为系统提供太阳辐射能，流经太阳能集热蒸发器1的制冷剂吸收太阳辐射能后迅速气化，经过压缩机2压缩后变成高温高压的蒸汽，高温高压的蒸汽通过空气源热泵5，最后经冷凝器换热将水温加热至60℃经集分水器9流入采暖末端的风机盘管10，通过风机盘管10为示范建筑住宅提供空调供暖。(1) Solar radiant energy is supplied to the system through the solar photovoltaic module array 11 in the solar photovoltaic power generation system, and the refrigerant flowing through the solar heat collecting evaporator 1 absorbs the solar radiant energy and rapidly vaporizes, and is compressed by the compressor 2 to become The high temperature and high pressure steam, the high temperature and high pressure steam pass through the air source heat pump 5, and finally the water temperature is heated to 60 ° C by the condenser heat exchange, and the fan coil 10 flows into the heating end through the collecting water separator 9 through the fan coil 10 as a demonstration building. The house is supplied with air conditioning and heating.
(2)当太阳辐射能无法为系统循环提供足够的热量时，空气源热泵5从空气中收集热量或辅助加热设备临时启动，以提供补充热源。(2) When solar radiant energy is unable to provide sufficient heat for the system cycle, the air source heat pump 5 collects heat from the air or assists the heating device to temporarily activate to provide a supplemental heat source.
(3)系统通过智能控制系统采用智能控制模式，自动监控太阳能集热蒸发器1内循环介质的温度，并通过电磁阀自动控制太阳能集热蒸发器1内每块制冷剂管路的开启或关闭，不断调整控制压缩机2的进气量，以保证主机始终安全稳定运行。(3) The system adopts the intelligent control mode to automatically monitor the temperature of the circulating medium in the solar collector evaporator 1 and automatically control the opening or closing of each refrigerant pipeline in the solar collector evaporator 1 through the solenoid valve. The inverter automatically controls the intake air volume of the compressor 2 to ensure that the main engine is always safe and stable.
(4)系统中的太阳能光伏发电系统主要通过太阳能光伏组件阵列11收集的太阳辐射能，由并网逆变器12转换为直流电和连接220V的市电，为空气源热泵5供电，同时并联连接智能配电箱13，智能配电箱13连接用户侧配电箱14，充电终端设备的充电桩15与用户侧配电箱14连接，为新能源电动汽车或电动摩托车等供电。(4) The solar photovoltaic power generation system in the system mainly converts the solar radiant energy collected by the solar photovoltaic module array 11 into a direct current and a 220V mains supply by the grid-connected inverter 12, and supplies power to the air source heat pump 5, and is connected in parallel. The smart distribution box 13 and the smart distribution box 13 are connected to the user-side distribution box 14. The charging post 15 of the charging terminal device is connected to the user-side distribution box 14 to supply power for a new energy electric vehicle or an electric motorcycle.
实际应用本发明的直膨式热泵加光伏发电耦合利用采暖系统，依据CJJ 34-2010《城镇供热管网设计规范》中3.1热负荷要求西北住宅采暖热指标推荐值为58～64W/㎡，依据设计要求配置100平米的房屋配置5P的直膨式热泵，制热量为8.5kw，额定制热量18.2kw，额定制热cop4.5，低温名义制热量9.1kw，低温名义制热cop2.3，100㎡房屋平均每平米热量值为91～182W，完全满足热负荷指标中的58～64W。因此，本发明的系统实现了为建筑住宅采暖期每天08:00-18:00时段提供空调供暖，达到了室内温度不低于18℃、年度供暖期不低于150天的设计目标，且作为太阳能供暖其贡献率不低于65％，系统后期完全能够实现零费用运行。The direct application of the direct expansion heat pump plus photovoltaic power generation coupling heating heating system according to the present invention, according to the CJJ 34-2010 "Code for Design of Urban Heating Pipe Network" 3.1 heat load requirement, the recommended value of the northwest residential heating heat index is 58-64W/m2, According to the design requirements, the 100-square-meter house is equipped with a 5P direct expansion heat pump with a heating capacity of 8.5kw, a rated heating capacity of 18.2kw, a rated heating capacity of cop4.5, a low-temperature nominal heating capacity of 9.1kw, and a low-temperature nominal heating cop2.3. The average calorific value per square meter of a 100m2 house is 91-182W, which fully meets the 58-64W of the heat load index. Therefore, the system of the present invention realizes the provision of air-conditioning heating for the building heating period from 08:00 to 18:00 every day, and achieves the design goal that the indoor temperature is not lower than 18 ° C and the annual heating period is not less than 150 days, and The contribution rate of solar heating is not less than 65%, and the system can fully realize zero-cost operation in the later stage of the system.
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