CN107131678A - 一种利用太阳能光伏为地源热泵系统供电的控制系统 - Google Patents

一种利用太阳能光伏为地源热泵系统供电的控制系统 Download PDF

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CN107131678A
CN107131678A CN201710473831.4A CN201710473831A CN107131678A CN 107131678 A CN107131678 A CN 107131678A CN 201710473831 A CN201710473831 A CN 201710473831A CN 107131678 A CN107131678 A CN 107131678A
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熊健
孟凡亮
邵涤清
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New Energy Technology (shanghai) Ltd By Share Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • 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
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • 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
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • 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
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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Abstract

本发明公开了一种利用太阳能光伏为地源热泵系统供电的控制系统，包括控制器、太阳能光伏系统﹑地源热泵系统﹑生活热水系统和空调末端系统，所述太阳能光伏系统包括光伏组件﹑蓄电池组和逆变器；所述地源热泵系统包括地源热泵机组﹑地埋管系统和地源侧水泵；所述生活热水系统包括生活水箱﹑热水管道和生活热水泵；所述空调末端系统包括室内末端设备﹑空调供水管、空调回水管和空调循环泵。本发明的利用太阳能光伏为地源热泵系统供电的控制系统，以光伏组件和蓄电池组供电为主，公用电网供电为辅，根据太阳能光照强度的不同状态，利用控制器对电源进行有效切换，既有利于节能，又易于控制。

Description

一种利用太阳能光伏为地源热泵系统供电的控制系统
技术领域
本发明涉及一种利用太阳能光伏为地源热泵系统供电的控制系统。
背景技术
当地源热泵系统在为建筑物供暖/供冷的运行过程中，会消耗大量的电能能耗，将会影响社会的经济环境效益。目前全球的传统资源能源已呈现出日趋紧张的态势，能源的价格也不断地攀高，将太阳能光伏技术﹑地源热泵技术等相互间有机结合，组成一个综合利用新能源的耦合系统，将是太阳能光伏-地源热泵技术与产品的发展趋势。
发明内容
本发明的目的是克服现有技术的缺陷，提供一种利用太阳能光伏为地源热泵系统供电的控制系统，既有利于节能，又易于控制，最终减少地源热泵系统对公用电网的依赖，保证地源热泵系统能稳定、安全的运行。
实现上述目的的技术方案是：一种利用太阳能光伏为地源热泵系统供电的控制系统，包括控制器、太阳能光伏系统﹑地源热泵系统﹑生活热水系统和空调末端系统，所述太阳能光伏系统包括光伏组件﹑蓄电池组和逆变器；所述地源热泵系统包括地源热泵机组﹑地埋管系统和地源侧水泵；所述生活热水系统包括生活水箱﹑热水管道和生活热水泵；所述空调末端系统包括室内末端设备﹑空调供水管、空调回水管和空调循环泵；其中：
所述光伏组件与所述蓄电池组相连；
所述光伏组件和蓄电池组分别与所述逆变器相连；
所述逆变器与所述地源热泵机组相连；
所述太阳能光伏系统和地源热泵机组分别与所述控制器相连；
所述地埋管系统通过管道与所述地源热泵机组循环连通，所述地源侧水泵设置在所述地埋管系统与所述地源热泵机组之间的管道上；
所述生活水箱通过所述热水管道与所述地源热泵机组相连，所述生活热水泵设置在所述热水管道上；
所述室内末端设备的进口通过所述空调供水管与所述地源热泵机组相连，所述室内末端设备的出口通过所述空调回水管与所述地源热泵机组相连，所述空调循环泵设置在所述空调回水管上；
所述控制器通过控制柜外接公用电网，所述公用电网为所述地源热泵机组供电。
上述的一种利用太阳能光伏为地源热泵系统供电的控制系统，其中，所述光伏组件通过所述逆变器为所述地源热泵机组供电；
所述光伏组件为所述蓄电池组充电；
所述蓄电池组通过所述逆变器为所述地源热泵机组供电。
上述的一种利用太阳能光伏为地源热泵系统供电的控制系统，其中，所述控制器根据太阳能光照强度的不同状态，控制所述光伏组件﹑蓄电池组或公用电网为所述地源热泵机组供电。
上述的一种利用太阳能光伏为地源热泵系统供电的控制系统，其中，所述生活水箱上设置有生活热水供水管、生活热水回水管和冷水补水管。
本发明的利用太阳能光伏为地源热泵系统供电的控制系统，以光伏组件和蓄电池组供电为主，公用电网供电为辅，根据太阳能光照强度的不同状态，利用控制器对电源进行有效切换，既有利于节能，又易于控制，最终减少地源热泵系统对公用电网的依赖，保证地源热泵系统能稳定、安全的运行。
附图说明
图1为本发明的利用太阳能光伏为地源热泵系统供电的控制系统的结构示意图。
具体实施方式
为了使本技术领域的技术人员能更好地理解本发明的技术方案，下面结合附图对其具体实施方式进行详细地说明：
请参阅图1，本发明的最佳实施例，一种利用太阳能光伏为地源热泵系统供电的控制系统，包括控制器4、太阳能光伏系统﹑地源热泵系统﹑生活热水系统和空调末端系统，太阳能光伏系统包括光伏组件1﹑蓄电池组2和逆变器3；地源热泵系统包括地源热泵机组6﹑地埋管系统7和地源侧水泵71；生活热水系统包括生活水箱9﹑热水管道和生活热水泵94；空调末端系统包括室内末端设备8﹑空调供水管81、空调回水管82和空调循环泵83。
光伏组件1与蓄电池组2相连；光伏组件1和蓄电池组2分别与逆变器3相连；逆变器3与地源热泵机组6相连；太阳能光伏系统和地源热泵机组6分别与控制器4相连；地埋管系统7通过管道与地源热泵机组6循环连通，地源侧水泵71设置在地埋管系统7与地源热泵机组6之间的管道上；生活水箱9上设置有生活热水供水管91、生活热水回水管92和冷水补水管93，生活水箱9通过热水管道与地源热泵机组6相连，生活热水泵94设置在热水管道上；室内末端设备8的进口通过空调供水管81与地源热泵机组6相连，室内末端设备8的出口通过空调回水管82与地源热泵机组6相连，空调循环泵83设置在空调回水管82上；控制器4通过控制柜外接公用电网5，公用电网5为地源热泵机组6供电。
本发明的利用太阳能光伏为地源热泵系统供电的控制系统，光伏组件1通过逆变器3为地源热泵机组6供电；光伏组件1为蓄电池组2充电；蓄电池组2通过逆变器3为地源热泵机组6供电。公用电网5为地源热泵机组6供电。控制器4根据太阳能光照强度的不同状态，控制光伏组件1﹑蓄电池组2或公用电网5为地源热泵机组6供电。控制器4控制太阳能光伏系统的工作状态，太阳能光伏系统反馈信息给控制器4；控制器4控制公用电网5的工作状态，公用电网5反馈信息给控制器4；控制器4控制地源热泵机组6的工作状态，地源热泵机组6反馈信息给控制器4。
光伏发电系统是直流系统，而地源热泵机组6﹑地源侧水泵71、生活热水泵94和空调循环泵83都为交流负载设备，因此需要用逆变器3将光伏组件1和蓄电池组2产生的直流电转换为各设备所需的交流电。
本发明的利用太阳能光伏为地源热泵系统供电的控制系统，动作原理为：
(1)当光照强度充裕的时候，其光伏组件1产生的电量一方面通过逆变器3供给地源热泵机组6，另一方面光伏组件1给蓄电池组2充电储能；
(2)当光照强度稍弱时，光伏组件1产生的电量不能满足负载的用电需求，这时控制器4发出信号给蓄电池组2，蓄电池组2通过逆变器2为地源热泵系统供电，保证光伏系统供电的稳定性；
(3)当太阳能的光照强度长期处于较弱时，如天气连续阴雨天，当蓄电池组2电量降至某设定极限值时，控制器4接受蓄电池组2发出的反馈信号后，立即切断蓄电池组2的供电，以保护蓄电池组2的使用寿命，同时控制器4发出信号给控制柜，立即启动公用电网5，以保证地源热泵系统的正常运行。
控制器4应根据光伏组件1处在不同光照强度的状态下产生的电量，根据信号的反馈数据，加以分析后，及时地切换电源的供给源，以保证整个系统的节能性﹑稳定性﹑安全性。
本发明的利用太阳能光伏为地源热泵系统供电的控制系统，利用光伏组件对地源热泵系统﹑空调末端系统﹑生活热水系统等供电，控制器根据数据反馈进行电源切换，通过控制器实现对光伏组件﹑蓄电池组﹑公用电网相互间电源转换，为地源热泵系统运行提供电能，使地源热泵系统能在没有或少占有公用电网的情况下正常稳定的运转。
综上所述，本发明的利用太阳能光伏为地源热泵系统供电的控制系统，以光伏组件和蓄电池组供电为主，公用电网供电为辅，根据太阳能光照强度的不同状态，利用控制器对电源进行有效切换，既有利于节能，又易于控制，最终减少地源热泵系统对公用电网的依赖，保证地源热泵系统能稳定、安全的运行。
本技术领域中的普通技术人员应当认识到，以上的实施例仅是用来说明本发明，而并非用作为对本发明的限定，只要在本发明的实质精神范围内，对以上所述实施例的变化、变型都将落在本发明的权利要求书范围内。

Claims (4)

1.一种利用太阳能光伏为地源热泵系统供电的控制系统，其特征在于，包括控制器、太阳能光伏系统﹑地源热泵系统﹑生活热水系统和空调末端系统，所述太阳能光伏系统包括光伏组件﹑蓄电池组和逆变器；所述地源热泵系统包括地源热泵机组﹑地埋管系统和地源侧水泵；所述生活热水系统包括生活水箱﹑热水管道和生活热水泵；所述空调末端系统包括室内末端设备﹑空调供水管、空调回水管和空调循环泵；其中：
所述光伏组件与所述蓄电池组相连；
所述光伏组件和蓄电池组分别与所述逆变器相连；
所述逆变器与所述地源热泵机组相连；
所述太阳能光伏系统和地源热泵机组分别与所述控制器相连；
所述地埋管系统通过管道与所述地源热泵机组循环连通，所述地源侧水泵设置在所述地埋管系统与所述地源热泵机组之间的管道上；
所述生活水箱通过所述热水管道与所述地源热泵机组相连，所述生活热水泵设置在所述热水管道上；
所述室内末端设备的进口通过所述空调供水管与所述地源热泵机组相连，所述室内末端设备的出口通过所述空调回水管与所述地源热泵机组相连，所述空调循环泵设置在所述空调回水管上；
所述控制器通过控制柜外接公用电网，所述公用电网为所述地源热泵机组供电。
2.根据权利要求1所述的一种利用太阳能光伏为地源热泵系统供电的控制系统，其特征在于，所述光伏组件通过所述逆变器为所述地源热泵机组供电；
所述光伏组件为所述蓄电池组充电；
所述蓄电池组通过所述逆变器为所述地源热泵机组供电。
3.根据权利要求1所述的一种利用太阳能光伏为地源热泵系统供电的控制系统，其特征在于，所述控制器根据太阳能光照强度的不同状态，控制所述光伏组件﹑蓄电池组或公用电网为所述地源热泵机组供电。
4.根据权利要求1所述的一种利用太阳能光伏为地源热泵系统供电的控制系统，其特征在于，所述生活水箱上设置有生活热水供水管、生活热水回水管和冷水补水管。
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