CN203223971U - Multi-energy intelligent coupling system - Google Patents
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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
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Abstract
本实用新型公开了一种多能源智能耦合系统，其包括环境温度传感器、控制器和太阳能—地热能—燃气能耦合系统，所述的太阳能—地热能—燃气能耦合系统包括一个三通电磁阀，所述的环境温度传感器和三通电磁阀均与控制器电连接。本实用新型通过将太阳能与地源热泵及燃气炉构建在一起，实现了太阳能、地热能、燃气能三者之间的耦合利用，不仅具有各自特有经济、环保的特性，而且可取长补短、合理补给；另外，本实用新型还可根据环境温度进行智能转换控制，可实现真正意义上的环保节能效果，具有极强的实用价值和广阔的应用前景。
The utility model discloses a multi-energy intelligent coupling system, which includes an ambient temperature sensor, a controller and a solar energy-geothermal energy-gas energy coupling system, and the solar energy-geothermal energy-gas energy coupling system includes a three-way electromagnetic valve , the ambient temperature sensor and the three-way solenoid valve are both electrically connected to the controller. The utility model realizes the coupled utilization of solar energy, geothermal energy and gas energy by building together solar energy, ground source heat pump and gas furnace. In addition, the utility model can also carry out intelligent conversion control according to the ambient temperature, which can realize the effect of environmental protection and energy saving in the true sense, and has extremely strong practical value and broad application prospects.
Description
技术领域technical field
本实用新型涉及一种多能源智能耦合系统，具体说，是涉及一种实现太阳能、地热能、燃气能三种能源之间智能转换的多能源智能耦合系统，属于新能源技术领域。The utility model relates to a multi-energy intelligent coupling system, in particular to a multi-energy intelligent coupling system for realizing intelligent conversion among three energy sources: solar energy, geothermal energy and gas energy, and belongs to the technical field of new energy.
背景技术Background technique
太阳能是一种取之不尽、用之不竭的绿色能源，但是太阳能有两个严重不足：一是能流密度低；二是其强度受各种因素的影响不能维持常量，这两大缺点大大限制了太阳能的有效利用。Solar energy is an inexhaustible and inexhaustible green energy, but solar energy has two serious shortcomings: one is the low energy flow density; the other is that its intensity cannot be maintained constant due to the influence of various factors. These two shortcomings The effective utilization of solar energy is greatly limited.
地源热泵是一种利用地下浅层地热资源的高效节能环保型能源利用技术。通过输入少量的高品位电能，即可实现能量从低温热源向高温热源的转移。地源热泵技术是可再生能源应用的主要方向之一，具有良好的节能与环保效益，近年来在国内得到了日益广泛的应用。但是地源热泵长期运行将会使土壤温度场得不到有效恢复，蒸发温度及冷凝温度波动较大，热泵机组运行效率较低。Ground source heat pump is a high-efficiency, energy-saving and environment-friendly energy utilization technology that utilizes underground shallow geothermal resources. By inputting a small amount of high-grade electric energy, energy can be transferred from a low-temperature heat source to a high-temperature heat source. Ground source heat pump technology is one of the main directions of renewable energy application. It has good energy saving and environmental protection benefits. It has been increasingly widely used in China in recent years. However, the long-term operation of the ground source heat pump will not effectively restore the soil temperature field, the evaporation temperature and condensation temperature will fluctuate greatly, and the operating efficiency of the heat pump unit will be low.
燃气炉能够非常迅速、方便地为人们提供热量，并可用热水提供采暖和制冷；但如果单独采用燃气炉生产热水，将消耗大量的常规能源。Gas furnaces can provide people with heat very quickly and conveniently, and hot water can be used to provide heating and cooling; but if gas furnaces are used alone to produce hot water, a large amount of conventional energy will be consumed.
综上所述可见，如果将太阳能与地源热泵及燃气炉构建在一起，“取长补短，合理补给”，将具有显著的环保节能效果和经济价值，但至今未见相关技术报道。To sum up, it can be seen that if the solar energy is built together with the ground source heat pump and the gas furnace, "learn from each other and supplement reasonably", it will have significant environmental protection and energy saving effects and economic value, but no related technical reports have been seen so far.
实用新型内容Utility model content
针对现有技术存在的上述问题和需求，本实用新型的目的是提供一种多能源智能耦合系统，以实现太阳能、地热能、燃气能三者之间的耦合利用，且可根据不同环境温度进行智能转换，达到最佳的环保节能效果。Aiming at the above-mentioned problems and demands in the prior art, the purpose of this utility model is to provide a multi-energy intelligent coupling system to realize the coupling and utilization of solar energy, geothermal energy and gas energy, and it can be carried out according to different ambient temperatures. Intelligent conversion to achieve the best environmental protection and energy saving effect.
为实现上述目的，本实用新型采用的技术方案如下：In order to achieve the above object, the technical scheme adopted by the utility model is as follows:
一种多能源智能耦合系统，包括环境温度传感器、控制器和太阳能—地热能—燃气能耦合系统，所述的太阳能—地热能—燃气能耦合系统包括一个三通电磁阀，所述的环境温度传感器和三通电磁阀均与控制器电连接。A multi-energy intelligent coupling system, including an ambient temperature sensor, a controller and a solar-geothermal energy-gas energy coupling system, the solar-geothermal energy-gas energy coupling system includes a three-way solenoid valve, and the ambient temperature Both the sensor and the three-way solenoid valve are electrically connected with the controller.
作为一种优选方案，所述的控制器包括数据处理模块、数据分析模块、数据推理模块和数据输出模块，所述的数据处理模块的输入端与环境温度传感器的输出端相连接，所述的数据处理模块的输出端与数据分析模块的输入端相连接，所述的数据分析模块的输出端与数据推理模块的输入端相连接，所述的数据推理模块的输出端与数据输出模块的输入端相连接，所述的数据输出模块的输出端与三通电磁阀的输入端相连接。As a preferred solution, the controller includes a data processing module, a data analysis module, a data reasoning module and a data output module, the input of the data processing module is connected to the output of the ambient temperature sensor, and the The output of the data processing module is connected to the input of the data analysis module, the output of the data analysis module is connected to the input of the data reasoning module, the output of the data reasoning module is connected to the input of the data output module terminals, and the output terminal of the data output module is connected to the input terminal of the three-way solenoid valve.
作为一种优选方案，所述的太阳能—地热能—燃气能耦合系统包括真空热管集热器、集热系统循环泵、蓄热水箱、太阳能热水循环泵、热泵主机、室外地埋管、室外地埋管循环泵、燃气壁挂炉、室内末端循环泵、采暖盘管和三通电磁阀，所述真空热管集热器与蓄热水箱相连接，所述蓄热水箱通过太阳能热水循环泵分别与采暖盘管、热泵主机、室外地埋管和燃气壁挂炉相连接；所述热泵主机的一路通过三通电磁阀与燃气壁挂炉相连接，另一路通过蓄热水箱和集热系统循环泵与真空热管集热器相连接；所述室外地埋管的输入端与热泵主机相连接，所述室外地埋管的输出端通过室外地埋管循环泵和三通电磁阀与燃气壁挂炉相连接；所述采暖盘管的一路通过热泵主机分别与室外地埋管和燃气壁挂炉相连接，另一路通过室内末端循环泵、蓄热水箱和集热系统循环泵与真空热管集热器相连接；所述三通电磁阀的三路端口分别与热泵主机、室外地埋管循环泵和燃气壁挂炉相连接。As a preferred solution, the solar-geothermal energy-gas energy coupling system includes a vacuum heat pipe collector, a heat collection system circulation pump, a water storage tank, a solar hot water circulation pump, a heat pump host, an outdoor buried pipe, Outdoor buried pipe circulation pump, gas wall-hung boiler, indoor terminal circulation pump, heating coil and three-way solenoid valve, the vacuum heat pipe collector is connected to the heat storage tank, and the heat storage tank The circulation pump is respectively connected with the heating coil, the heat pump host, the outdoor buried pipe and the gas wall-hung boiler; The system circulation pump is connected to the vacuum heat pipe collector; the input end of the outdoor buried pipe is connected to the heat pump host, and the output end of the outdoor buried pipe is connected to the gas pump through the outdoor buried pipe circulation pump and the three-way solenoid valve The heating coil is connected with the outdoor buried pipe and the gas wall-hung boiler through the heat pump host, and the other is connected with the vacuum heat pipe collector through the indoor end circulation pump, the heat storage tank and the circulation pump of the heat collection system. The three-way ports of the three-way solenoid valve are respectively connected with the heat pump host, the outdoor buried pipe circulation pump and the gas wall-hung boiler.
作为进一步优选方案，在蓄热水箱与集热系统循环泵的连接管路上设有膨胀定压罐。As a further preferred solution, an expansion and constant pressure tank is provided on the connecting pipeline between the heat storage tank and the circulation pump of the heat collection system.
作为进一步优选方案，在太阳能热水循环泵与室外地埋管的连接管道上设有分水器。As a further preferred solution, a water separator is provided on the connecting pipe between the solar hot water circulation pump and the outdoor buried pipe.
作为进一步优选方案，在室外地埋管与室外地埋管循环泵之间设有集水器。As a further preferred solution, a water collector is provided between the outdoor ground pipe and the outdoor ground pipe circulating pump.
作为进一步优选方案，在采暖盘管与热泵主机的连接管路上设有分水器。As a further preferred solution, a water separator is provided on the connecting pipeline between the heating coil and the heat pump host.
作为进一步优选方案，在采暖盘管与室内末端循环泵的连接管路上设有集水器。As a further preferred solution, a water collector is provided on the connecting pipeline between the heating coil and the indoor end circulation pump.
与现有技术相比，本实用新型提供的多能源智能耦合系统，通过将太阳能与地源热泵及燃气炉构建在一起，实现了太阳能、地热能、燃气能三者之间的耦合利用，不仅具有各自特有经济、环保的特性，而且可取长补短、合理补给；另外，本实用新型还可根据环境温度进行智能转换控制，可实现真正意义上的环保节能效果，具有极强的实用价值和广阔的应用前景。Compared with the prior art, the multi-energy intelligent coupling system provided by the utility model realizes the coupling and utilization of solar energy, geothermal energy and gas energy by building solar energy, ground source heat pump and gas furnace together, not only They have their own unique characteristics of economy and environmental protection, and they can learn from each other's strengths and supply them reasonably; in addition, the utility model can also carry out intelligent conversion control according to the ambient temperature, which can realize the effect of environmental protection and energy saving in the true sense, and has strong practical value and broad application potential. Application prospects.
附图说明Description of drawings
图1是本实用新型提供的一种多能源智能耦合系统的结构示意图；Fig. 1 is a schematic structural diagram of a multi-energy intelligent coupling system provided by the utility model;
图2是本实用新型提供的一种太阳能—地热能—燃气能耦合系统的结构示意图。Fig. 2 is a structural schematic diagram of a solar energy-geothermal energy-gas energy coupling system provided by the utility model.
图中：1、真空热管集热器；2、集热系统循环泵；3、蓄热水箱；4、太阳能热水循环泵；5、热泵主机；6、室外地埋管；7、室外地埋管循环泵；8、燃气壁挂炉；9、室内末端循环泵；10、采暖盘管；11、三通电磁阀；12、膨胀定压罐；13、分水器；14、集水器。In the figure: 1. Vacuum heat pipe heat collector; 2. Circulation pump of heat collection system; 3. Hot water storage tank; 4. Solar hot water circulation pump; 5. Heat pump host; 6. Outdoor buried pipe; 7. Outdoor ground Buried pipe circulation pump; 8. Gas wall-hung boiler; 9. Indoor terminal circulation pump; 10. Heating coil; 11. Three-way solenoid valve; 12. Expansion constant pressure tank; 13. Water separator; 14. Water collector.
具体实施方式Detailed ways
下面结合附图和具体实施例对本实用新型的技术方案做进一步详细阐述：Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present utility model is described in further detail:
如图1所示：本实用新型提供的一种多能源智能耦合系统，包括环境温度传感器、控制器和太阳能—地热能—燃气能耦合系统，所述的太阳能—地热能—燃气能耦合系统包括一个三通电磁阀，所述的环境温度传感器和三通电磁阀均与控制器电连接；所述的控制器包括数据处理模块、数据分析模块、数据推理模块和数据输出模块，所述的数据处理模块的输入端与环境温度传感器的输出端相连接，所述的数据处理模块的输出端与数据分析模块的输入端相连接，所述的数据分析模块的输出端与数据推理模块的输入端相连接，所述的数据推理模块的输出端与数据输出模块的输入端相连接，所述的数据输出模块的输出端与三通电磁阀的输入端相连接。As shown in Figure 1: a multi-energy intelligent coupling system provided by the utility model includes an ambient temperature sensor, a controller and a solar energy-geothermal energy-gas energy coupling system, and the solar energy-geothermal energy-gas energy coupling system includes A three-way solenoid valve, the ambient temperature sensor and the three-way solenoid valve are electrically connected to the controller; the controller includes a data processing module, a data analysis module, a data reasoning module and a data output module, and the data The input end of the processing module is connected to the output end of the ambient temperature sensor, the output end of the data processing module is connected to the input end of the data analysis module, and the output end of the data analysis module is connected to the input end of the data reasoning module The output end of the data reasoning module is connected to the input end of the data output module, and the output end of the data output module is connected to the input end of the three-way solenoid valve.
如图2所示：本实用新型所述的太阳能—地热能—燃气能耦合系统包括真空热管集热器1、集热系统循环泵2、蓄热水箱3、太阳能热水循环泵4、热泵主机5、室外地埋管6、室外地埋管循环泵7、燃气壁挂炉8、室内末端循环泵9、采暖盘管10和三通电磁阀11，所述真空热管集热器1与蓄热水箱3相连接，所述蓄热水箱3通过太阳能热水循环泵4分别与采暖盘管10、热泵主机5、室外地埋管6和燃气壁挂炉8相连接；所述热泵主机5的一路通过三通电磁阀11与燃气壁挂炉8相连接，另一路通过蓄热水箱3和集热系统循环泵2与真空热管集热器1相连接；所述室外地埋管6的输入端与热泵主机5相连接，所述室外地埋管6的输出端通过室外地埋管循环泵7和三通电磁阀11与燃气壁挂炉8相连接；所述采暖盘管10的一路通过热泵主机5分别与室外地埋管6和燃气壁挂炉8相连接，另一路通过室内末端循环泵9、蓄热水箱3和集热系统循环泵2与真空热管集热器1相连接；所述三通电磁阀11的三路端口分别与热泵主机5、室外地埋管循环泵7和燃气壁挂炉8相连接；在蓄热水箱3与集热系统循环泵2的连接管路上设有膨胀定压罐12；在太阳能热水循环泵4与室外地埋管6的连接管道上设有分水器13；在室外地埋管6与室外地埋管循环泵7之间设有集水器14；在采暖盘管10与热泵主机5的连接管路上设有分水器13；在采暖盘管10与室内末端循环泵9的连接管路上设有集水器14。As shown in Figure 2: the solar energy-geothermal energy-gas energy coupling system described in the utility model includes a vacuum heat pipe collector 1, a heat collection system circulation pump 2, a
本实用新型的工作原理如下：The working principle of the utility model is as follows:
在天气晴朗的初冬和末冬的夜晚，房间热负荷较小，太阳能集热效果良好，经过一天的集热后，蓄热水箱温度T>45℃，水箱里的热水可直接用来给房间供暖；通过混水阀，还可使水箱出水温度恒定在45℃，保证供水温度的稳定。On sunny nights in early winter and late winter, the heat load of the room is small, and the solar heat collection effect is good. After a day of heat collection, the temperature of the heat storage tank is T>45℃, and the hot water in the water tank can be directly used for water heating. Room heating; through the water mixing valve, the outlet water temperature of the water tank can also be kept at 45°C to ensure the stability of the water supply temperature.
当水箱温度（15±2）℃<T<（45±2）℃时（±2℃是死区温度，可使能源转换得到缓冲），太阳能与地热能联合供热，此时水温中等，不能直接用来给末端进行供热，考虑到其与系统末端的回水温度接近，太阳能出水至热泵冷凝器入口，进一步提升温度后再送到末端进行供暖，此时水箱还充当一个缓冲水箱的作用，可减小系统管路内的水温波动，提升末端供暖的舒适性。When the temperature of the water tank is (15±2)°C<T<(45±2)°C (±2°C is the dead zone temperature, which can buffer the energy conversion), the combined heating of solar energy and geothermal energy, at this time, the water temperature is moderate and cannot It is directly used to supply heat to the end. Considering that it is close to the return water temperature at the end of the system, the solar water flows to the inlet of the heat pump condenser, and after further raising the temperature, it is sent to the end for heating. At this time, the water tank also acts as a buffer water tank. It can reduce the water temperature fluctuation in the system pipeline and improve the comfort of terminal heating.
在采暖季的阴雨天或晚上，太阳能集热系统不起作用，当水箱温度5℃<T<15℃时，三通电磁阀左右相通，应用地源热泵系统进行供暖，此时，不需要启动燃气炉加热系统。在该模式下，蒸发器进行热交换，土壤作为热泵低温热源。In the rainy days or nights of the heating season, the solar heat collection system does not work. When the temperature of the water tank is 5°C<T<15°C, the three-way solenoid valve is connected to the left and right, and the ground source heat pump system is used for heating. At this time, there is no need to start Gas furnace heating system. In this mode, the evaporator performs heat exchange, and the soil acts as a low-temperature heat source for the heat pump.
在寒冷冬季，当水箱温度T<（5±2）℃时，燃气炉与三通电磁阀相通，燃气炉水泵启动，燃烧器点燃，将水加热后再通过热泵向末端供暖。同时蓄热水箱与燃气炉连接，必要时可直接加热水箱的水，并将加热后的水送回蓄热水箱，一旦蓄热水箱中的热水温度达到了要求，控制器将会控制三通电磁阀转向热水供应。In the cold winter, when the temperature of the water tank is T<(5±2)℃, the gas furnace is connected to the three-way solenoid valve, the water pump of the gas furnace is started, the burner is ignited, the water is heated and then heated to the end by the heat pump. At the same time, the hot water storage tank is connected with the gas furnace. If necessary, the water in the water tank can be heated directly, and the heated water can be sent back to the hot water storage tank. Once the temperature of the hot water in the hot water storage tank reaches the requirement, the controller will Control the three-way solenoid valve to turn to hot water supply.
由此可见，在冬季，考虑到较大的热负荷，联合使用太阳能和土壤热作为热泵的低位热源，如果过冷则可以以燃气作为补充，夏季，因冷负荷不大而只使用土壤冷源来进行空调，太阳能系统则主要用于提供生活用热水。过渡季节，可以利用地下埋管将太阳能引入地下蓄热，为冬季供热储备能量。It can be seen that in winter, considering the large heat load, the combination of solar energy and soil heat is used as the low-level heat source of the heat pump. If it is too cold, gas can be used as a supplement. In summer, only the soil cold source is used because the cooling load is not large. for air conditioning, while the solar system is mainly used to provide domestic hot water. In the transitional season, underground pipes can be used to introduce solar energy into the ground for thermal storage, and store energy for heating in winter.
由于每个季节的每天气温和室外环境不尽相同，如果只是笼统地根据水箱温度来选择启用不同能源，会造成一定的浪费或供应的不足；其次，越来越严格的工况要求进行更人性化的温度设置。因此，本实用新型通过设置环境温度传感器和控制器，使所述的环境温度传感器和三通电磁阀均与控制器电连接，通过控制器对获取的环境温度数据进行处理、分析和推理后，输出三通电磁阀的导向信号，进行智能切换。其中的数据分析模块是根据流体力学和热交换理论公式及运行机理进行相关数据分析；其中的数据推理模块是采用精确推理方法，选用事实驱动方式，进行控制策略的推理。Since the daily temperature and outdoor environment are different in each season, if you choose to use different energy sources based on the temperature of the water tank in general, it will cause certain waste or insufficient supply; secondly, more and more stringent working conditions require more humane optimized temperature setting. Therefore, the utility model makes the described ambient temperature sensor and the three-way electromagnetic valve electrically connected with the controller by setting the ambient temperature sensor and the controller, and after processing, analyzing and reasoning the obtained ambient temperature data through the controller, Output the guidance signal of the three-way solenoid valve for intelligent switching. The data analysis module is based on fluid mechanics and heat exchange theoretical formulas and operating mechanisms for relevant data analysis; the data reasoning module uses precise reasoning methods and selects fact-driven methods to reason about control strategies.
由于太阳能的加入，可实现地源热泵的间歇运行，使土壤温度可以在一定程度上得到恢复，提高热泵运行效率；土壤热源的加入，可使太阳能热泵系统在阴雨天及夜间太阳辐照量低的环境下仍能够在适宜热源温度下运行；燃气能的加入，可不受天气及环境的影响，适时开启，补充前二者的不足。Due to the addition of solar energy, the intermittent operation of the ground source heat pump can be realized, so that the soil temperature can be restored to a certain extent, and the operating efficiency of the heat pump can be improved; the addition of soil heat source can make the solar heat pump system have low solar radiation in rainy days and at night It can still operate at a suitable temperature of the heat source in an environment; the addition of gas energy can be turned on in a timely manner without being affected by the weather and environment, supplementing the deficiencies of the former two.
综上所述可见：本实用新型提供的多能源智能耦合系统，通过将太阳能与地源热泵及燃气炉构建在一起，实现了太阳能、地热能、燃气能三者之间的耦合利用，不仅具有各自特有经济、环保的特性，而且取长补短、合理补给；另外，本实用新型还可根据环境温度进行智能转换控制，可实现真正意义上的环保节能效果，具有极强的实用价值和广阔的应用前景。To sum up, it can be seen that the multi-energy intelligent coupling system provided by the utility model realizes the coupled utilization of solar energy, geothermal energy and gas energy by building together solar energy, ground source heat pump and gas furnace, and not only has Each has unique economical and environmental protection characteristics, and learns from each other's strengths to make up for one's weaknesses, and provides reasonable supplies; in addition, the utility model can also carry out intelligent conversion control according to the ambient temperature, which can realize environmental protection and energy saving effects in the true sense, and has strong practical value and broad application prospects .
最后有必要在此指出的是，上述说明只用于对本实用新型的技术方案作进一步详细说明，不能理解为对本实用新型保护范围的限制，本领域的技术人员根据本实用新型的上述内容作出的一些非本质的改进和调整均属于本实用新型的保护范围。Finally, it is necessary to point out that the above description is only used to further describe the technical solution of the utility model in detail, and cannot be interpreted as limiting the protection scope of the utility model. Some non-essential improvements and adjustments all belong to the protection scope of the present utility model.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216870A (en) * | 2013-05-06 | 2013-07-24 | 上海工程技术大学 | Multi-energy conversion control system |
| CN103615835A (en) * | 2013-11-08 | 2014-03-05 | 黄山金普森新能源科技股份有限公司 | Quintuplet-generation system |
| CN107726426A (en) * | 2017-11-13 | 2018-02-23 | 济南金孚瑞供热工程技术有限公司 | Double thermal source complementary heating systems and its implementation |
| CN108006864A (en) * | 2017-11-23 | 2018-05-08 | 青岛新奥清洁能源有限公司 | A kind of more category energy co-feeding systems |
| CN117570504A (en) * | 2024-01-17 | 2024-02-20 | 江苏西墅新能源科技有限公司 | Ground source heat pump unit for building heating |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216870A (en) * | 2013-05-06 | 2013-07-24 | 上海工程技术大学 | Multi-energy conversion control system |
| CN103615835A (en) * | 2013-11-08 | 2014-03-05 | 黄山金普森新能源科技股份有限公司 | Quintuplet-generation system |
| CN103615835B (en) * | 2013-11-08 | 2016-06-15 | 黄山金晖能源科技有限公司 | A kind of Quintuplet-generatiosystem system |
| CN107726426A (en) * | 2017-11-13 | 2018-02-23 | 济南金孚瑞供热工程技术有限公司 | Double thermal source complementary heating systems and its implementation |
| CN108006864A (en) * | 2017-11-23 | 2018-05-08 | 青岛新奥清洁能源有限公司 | A kind of more category energy co-feeding systems |
| CN108006864B (en) * | 2017-11-23 | 2019-11-22 | 青岛新奥清洁能源有限公司 | A multi-category energy co-supply system |
| CN117570504A (en) * | 2024-01-17 | 2024-02-20 | 江苏西墅新能源科技有限公司 | Ground source heat pump unit for building heating |
| CN117570504B (en) * | 2024-01-17 | 2024-04-12 | 江苏西墅新能源科技有限公司 | Ground source heat pump unit for building heating |
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