CN104676799B - 一种节能空调系统 - Google Patents

一种节能空调系统 Download PDF

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CN104676799B
CN104676799B CN201510121771.0A CN201510121771A CN104676799B CN 104676799 B CN104676799 B CN 104676799B CN 201510121771 A CN201510121771 A CN 201510121771A CN 104676799 B CN104676799 B CN 104676799B
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赵兵
刘学
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Acceptance Of Bid New Asia Beijing Energy Conservation Project Ltd Co
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/006—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from the drinking or sanitary water supply circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272—Solar heating or cooling
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Energy (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

本发明涉及空调技术领域，尤其涉及一种节能空调系统，包括：太阳能光伏发电系统、光伏冷水机组、水源侧换热系统、建筑内空调系统及蓄能系统；所述太阳能光伏发电系统与所述光伏冷水机组连接，所述光伏冷水机组与所述水源侧换热系统及建筑内空调系统连接，所述蓄能系统与所述光伏冷水机组及建筑内空调系统连接。本发明通过设置水源侧换热系统，利用地表水源进行冷却，大大提高了制冷效率；通过设置蓄能系统，将多余冷能进行储存，待需要时进行供冷，在满足全天候供冷的需要的同时降低了储电成本。

Description

一种节能空调系统
技术领域
本发明涉及空调技术领域，尤其涉及一种节能空调系统。
背景技术
目前光伏发电作为新兴技术在世界范围内得到推广，利用光伏发电作为电力供应的光伏空调系统已经出现，其通过将光伏发电系统为光伏冷水机组提供电力，光伏冷水机组通过与冷却塔连接为建筑本体供冷。
现有光伏空调系统具有以下技术缺陷：
(1)太阳能发电的储存问题至今是世界难题，现今储存太阳能的方法为蓄电池，但蓄电池造价相当昂贵，如利用蓄电池储存太阳能充裕时的电能，其成本将大大提高；
(2)该系统虽然可以达到一定的节能效果，但由于供冷量受限于冷却塔的处理能力，其制冷效率不高；
(3)由于太阳能供电具有间歇性特点，故该系统不能满足建筑本体全天候供冷需求。
发明内容
为了实现上述目的，本发明的一个目的是提供一种节能空调系统，以解决上述问题。
本发明提供了一种节能空调系统，包括：太阳能光伏发电系统、光伏冷水机组、水源侧换热系统、建筑内空调系统及蓄能系统；太阳能光伏发电系统与光伏冷水机组连接，光伏冷水机组与水源侧换热系统及建筑内空调系统连接，蓄能系统与光伏冷水机组及建筑内空调系统连接。
进一步，该太阳能光伏发电系统包括太阳能光伏矩阵及太阳能光伏组件，太阳能光伏矩阵与太阳能光伏组件连接；太阳能光伏组件与光伏冷水机组连接，用于为光伏冷水机组提供电力；太阳能光伏组件与市政电网连接，用于供应多余电力给市政电网。
与现有技术相比本发明的有益效果是：通过水源侧换热系统替代现有技术中的冷却塔，利用地表水源进行冷却，大大提高了制冷效率；通过设置蓄能系统，将多余冷能进行储存，待需要时进行供冷，在满足全天候供冷的需要的同时降低了储电成本。
附图说明
图1是本发明一种节能空调系统的结构示意图。
具体实施方式
下面通过具体的实施例子并结合附图对本发明做进一步的详细描述。
如图1所示，图1是本发明一种节能空调系统的结构示意图。
本实施例提供了一种节能空调系统，包括：太阳能光伏发电系统10、光伏冷水机组20(包括蒸发器21及冷凝器22)、水源侧换热系统30(包括取水管路31及退水管路32)、建筑内空调系统40(包括空调冷冻水供水管路41及空调冷冻水回水管路42)及蓄能系统50；太阳能光伏发电系统10与光伏冷水机组20连接，光伏冷水机组20与水源侧换热系统30及建筑内空调系统40连接，蓄能系统50与光伏冷水机组20及建筑内空调系统40连接。
本实施例利用太阳能光伏系统10发电后，使用光伏冷水机组利用太阳能发电制冷，再用蓄能系统50把冷储存起来在没有太阳的时候释放出来给需要空调的房间使用。其工作过程如下：
当建筑本体需要供冷，太阳能光伏发电系统10发电，为光伏冷水机组20供电，水源侧换热系统30内的供冷水泵等设备开始运转，完成随建筑内空调系统40的供冷。
当建筑本体不需要供冷时，或白天负荷较低，但此时日照很好，太阳能光伏系统10可以很好的提供电力，为了避免浪费太阳能资源，可以开启光伏冷水机组20、蓄能系统50，将光伏冷水机组20提供的冷量储存在蓄能系统50，即将太阳能产生的电能转换为冷量。
当夜间太阳能光伏系统10无法工作，且建筑本体需要供冷时，可开启蓄能系统50进行释冷来实现供冷，而无需开启光伏冷水机组20。
本实施例中的水源侧换热系统30可就地采用各种地表水水源进行冷却，如河流、湖泊或海水等，其冷却效率比冷却塔提高20％，整体节能效果明显。
本实施例通过设置水源侧换热系统30，利用地表水源进行冷却，大大提高了制冷效率；通过设置蓄能系统40，将多余冷能进行储存，待需要时进行供冷，在满足全天候(夜间)供冷的需要的同时降低了储电成本。通过水源侧换热系统30及蓄能系统40，该系统大大提高了整体节能的效果。
在本实施例中，该太阳能光伏发电系统10包括太阳能光伏矩阵11及太阳能光伏组件12，太阳能光伏矩阵11与太阳能光伏组件12连接；太阳能光伏组件12与光伏冷水机组20连接，用于为光伏冷水机组20提供电力；太阳能光伏组件12与市政电网60连接，用于供应多余电力给市政电网60。
当建筑本体不需要供冷时，或白天负荷较低，但此时日照很好，太阳能光伏系统10可以很好的提供电力，为了避免浪费太阳能资源，还可以将太阳能光伏系统10产生的电能发至市政电网60，实现光伏发电的并网。
上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施方式的具体说明，它们并非用以限制本发明的保护范围，凡未脱离本发明技艺精神所作的等效实施方式或变更均应包含在本发明的保护范围之内。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。

Claims (1)

1.一种节能空调系统，其特征在于，包括：太阳能光伏发电系统、光伏冷水机组、水源侧换热系统、建筑内空调系统及蓄能系统；所述太阳能光伏发电系统与所述光伏冷水机组连接，所述光伏冷水机组与所述水源侧换热系统及建筑内空调系统连接，所述蓄能系统与所述光伏冷水机组及建筑内空调系统连接；
所述太阳能光伏发电系统包括太阳能光伏矩阵及太阳能光伏组件，所述太阳能光伏矩阵与所述太阳能光伏组件连接；所述太阳能光伏组件与所述光伏冷水机组连接，用于为所述光伏冷水机组提供电力；所述太阳能光伏组件与市政电网连接，用于供应多余电力给市政电网；
所述节能空调系统的工作过程如下：
当建筑本体需要供冷时，所述太阳能光伏发电系统发电，为所述光伏冷水机组供电，所述光伏冷水机组利用太阳能发电制冷，所述水源侧换热系统就地采用地表水水源进行冷却，完成建筑内空调系统的供冷；
当建筑本体不需要供冷，或白天负荷较低，且日照很好时，开启所述光伏冷水机组及蓄能系统，将所述光伏冷水机组提供的冷量储存在蓄能系统，将太阳能产生的电能转换为冷量；
当夜间所述太阳能光伏系统无法工作，且建筑本体需要供冷时，开启所述蓄能系统进行释冷来实现供冷，而无需开启所述光伏冷水机组。
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