CN206347681U - Solar ejector refrigeration auxiliary air conditioner unit - Google Patents
Solar ejector refrigeration auxiliary air conditioner unit Download PDFInfo
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- CN206347681U CN206347681U CN201720013353.4U CN201720013353U CN206347681U CN 206347681 U CN206347681 U CN 206347681U CN 201720013353 U CN201720013353 U CN 201720013353U CN 206347681 U CN206347681 U CN 206347681U
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004378 air conditioning Methods 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及空调领域，具体讲是一种太阳能喷射制冷辅助空调机组。The utility model relates to the field of air conditioning, in particular to an auxiliary air conditioning unit for solar jet refrigeration.
背景技术Background technique
节能一直是空调行业的重要目标和研发方向，而利用太阳能作为驱动能源的空调可以大幅度降低运行成本，所以太阳能空调一直都是空调行业内的研发热点。然而，目前的太阳能空调普遍存在三个问题，一是完全采用太阳能，则需要设置大面积的太阳能收集装置，收集装置成本高、占地面积大；二是空调性能受光照条件制约，看天吃饭；三是如果想实现稳定可靠的运行，则必须增设储能装置，会进一步使系统复杂化，进一步增加成本。Energy saving has always been an important goal and research and development direction of the air-conditioning industry, and the use of solar energy as the driving energy for air-conditioning can greatly reduce operating costs, so solar air-conditioning has always been a research and development hotspot in the air-conditioning industry. However, the current solar air conditioners generally have three problems. First, if solar energy is fully used, a large-area solar energy collection device needs to be installed. The collection device is expensive and occupies a large area; The third is that if you want to achieve stable and reliable operation, you must add an energy storage device, which will further complicate the system and further increase the cost.
所以，目前的太阳能空调往往只是技术原理层面上的可行，在实际推广和应用方面存在上述难以克服的问题，难以获得市场的认可，太阳能空调更像噱头，有概念无市场。Therefore, the current solar air conditioners are often only feasible at the level of technical principles. In terms of practical promotion and application, there are the above-mentioned insurmountable problems, and it is difficult to gain market recognition. Solar air conditioners are more like gimmicks, and there is no market for concepts.
而目前空调领域中最常规的电驱动压缩机式的热泵空调技术，是最成熟、技术最完善、应用最广泛的技术。上述电驱动压缩式空调又普遍存在电能利用率低、制冷能耗高、不够节能。At present, the most conventional electric-driven compressor heat pump air-conditioning technology in the field of air-conditioning is the most mature, most perfect and most widely used technology. The above-mentioned electrically driven compression air conditioners generally have low power utilization rate, high cooling energy consumption, and insufficient energy saving.
实用新型内容Utility model content
本实用新型要解决的技术问题是，提供一种能提高电能利用率、降低制冷能耗、高效节能的太阳能喷射制冷辅助空调机组。The technical problem to be solved by the utility model is to provide a solar jet refrigeration auxiliary air conditioner unit that can improve the utilization rate of electric energy, reduce refrigeration energy consumption, and have high efficiency and energy saving.
本实用新型的技术解决方案是，提供一种具有以下结构的太阳能喷射制冷辅助空调机组，它包括由压缩机、室内换热器、第一节流阀和室外换热器依次连接成的主机循环系统；The technical solution of the utility model is to provide a solar jet refrigeration auxiliary air conditioner unit with the following structure, which includes a main engine cycle connected in sequence by a compressor, an indoor heat exchanger, a first throttle valve and an outdoor heat exchanger system;
第一节流阀和室外换热器之间还设有一个辅助换热器；There is also an auxiliary heat exchanger between the first throttle valve and the outdoor heat exchanger;
该机组还包括由循环泵、太阳能集热器、喷射器、中间换热器和第二节流阀构成的太阳能辅助循环系统；The unit also includes a solar auxiliary circulation system consisting of a circulation pump, a solar collector, an ejector, an intermediate heat exchanger and a second throttle valve;
循环泵出口与太阳能集热器入口连通，太阳能集热器出口与喷射器入口连通，喷射器出口与中间换热器入口连通，中间换热器出口与循环泵入口连通，中间换热器出口还与第二节流阀入口连通，第二节流阀出口与辅助换热器入口连通，辅助换热器出口与喷射器入口连通。The outlet of the circulating pump is connected with the inlet of the solar collector, the outlet of the solar collector is connected with the inlet of the ejector, the outlet of the ejector is connected with the inlet of the intermediate heat exchanger, the outlet of the intermediate heat exchanger is connected with the inlet of the circulating pump, and the outlet of the intermediate heat exchanger is connected with the inlet of the intermediate heat exchanger. It communicates with the inlet of the second throttle valve, the outlet of the second throttle valve communicates with the inlet of the auxiliary heat exchanger, and the outlet of the auxiliary heat exchanger communicates with the inlet of the injector.
结合工作原理来分析本实用新型太阳能喷射制冷辅助空调机组与现有技术相比的优点和进步。Combined with the working principle, the advantages and progress of the utility model solar jet refrigeration auxiliary air conditioning unit compared with the prior art are analyzed.
主机循环系统按照压缩机、室外换热器、辅助换热器、室内换热器的路线循环；而在太阳能辅助循环系统中，冷媒被循环泵送入太阳能集热器、接受太阳辐射转化为高温高压蒸汽，进入喷射器，经过喷射器的拉戈尔喷嘴形成高速气流，将辅助换热器中的冷媒抽吸到喷射器中，同时维持了辅助换热器中的真空和低温，产生了冷量；喷射器将分别从太阳能集热器和辅助换热器进入的两股冷媒混合后，以高压进入中间换热器中放热冷凝，从中间换热器排出的冷媒一部分重新回到循环泵，另一部分经第二节流阀进入辅助换热器中吸热蒸发，释放冷量。而辅助换热器释放的冷量，又被主机循环系统吸收，也就是说，辅助换热器在主机循环系统中起到冷凝或过冷的作用，主机循环系统中的冷媒在室外换热器放热后又在辅助换热器再次放热，这就大幅度降低了主机制冷系统的高压压力和冷凝温度，使主机压缩机运行在低压压力区，提高了电能利用率，同时利用太阳能分担了压缩机系统的部分工作负荷，从而大幅度降低了空调的制冷能耗，与普通压缩机空调相比系统能耗降低了30﹪，实现节能。而且，上述机组并不是完全依靠太阳能，所以无需设置大面积的收集装置，有效控制了成本和占地面积，同时也无需设置储能装置，不会增加储能部分的成本，阳光不好的时候也能正常依靠压缩机制冷，无需看天吃饭。况且，上述控制方法在室外环境温度较高、太阳能集热系统效果较好时，喷射制冷效果自然也更好，故可以降低对室外换热器换热的依赖，将室外风机低风档运行，进一步节省室外换热器风机部分的能耗。The host circulation system circulates according to the route of the compressor, outdoor heat exchanger, auxiliary heat exchanger, and indoor heat exchanger; while in the solar auxiliary circulation system, the refrigerant is circulated and pumped into the solar collector to receive solar radiation and convert it into high temperature. The high-pressure steam enters the ejector, passes through the Lagor nozzle of the ejector to form a high-speed airflow, and sucks the refrigerant in the auxiliary heat exchanger into the ejector, while maintaining the vacuum and low temperature in the auxiliary heat exchanger, resulting in cooling Quantity; the ejector mixes the two streams of refrigerant entering from the solar collector and the auxiliary heat exchanger respectively, and then enters the intermediate heat exchanger at high pressure to release heat and condense, and part of the refrigerant discharged from the intermediate heat exchanger returns to the circulation pump , and the other part enters the auxiliary heat exchanger through the second throttle valve to absorb heat and evaporate to release the cooling capacity. The cold released by the auxiliary heat exchanger is absorbed by the main engine circulation system. After releasing the heat, it releases heat again in the auxiliary heat exchanger, which greatly reduces the high pressure and condensation temperature of the main engine refrigeration system, makes the main engine compressor run in the low pressure pressure area, improves the utilization rate of electric energy, and uses solar energy to share the Part of the working load of the compressor system, thereby greatly reducing the cooling energy consumption of the air conditioner. Compared with ordinary compressor air conditioners, the system energy consumption is reduced by 30%, realizing energy saving. Moreover, the above-mentioned units do not completely rely on solar energy, so there is no need to install a large-area collection device, which effectively controls the cost and floor area. At the same time, there is no need to install an energy storage device, which will not increase the cost of the energy storage part. When the sun is not good It can also rely on the compressor for refrigeration normally, without having to watch the sky for food. Moreover, when the above-mentioned control method has a higher outdoor ambient temperature and a better effect of the solar heat collection system, the spray cooling effect is naturally better, so it can reduce the dependence on the heat exchange of the outdoor heat exchanger and operate the outdoor fan at a low wind speed. Further save the energy consumption of the fan part of the outdoor heat exchanger.
附图说明Description of drawings
图1是本实用新型太阳能喷射制冷辅助空调机组的系统原理示意图。Fig. 1 is a schematic diagram of the system principle of the utility model solar jet refrigeration auxiliary air conditioner unit.
图中所示1、压缩机，2、室内换热器，3、第一节流阀，4、室外换热器，5、辅助换热器，6、循环泵，7、太阳能集热器，8、第二节流阀，9、喷射器，10、中间换热器。As shown in the figure 1. Compressor, 2. Indoor heat exchanger, 3. First throttle valve, 4. Outdoor heat exchanger, 5. Auxiliary heat exchanger, 6. Circulation pump, 7. Solar heat collector, 8. The second throttle valve, 9. The ejector, 10. The intermediate heat exchanger.
具体实施方式detailed description
下面结合附图和具体实施例对本实用新型作进一步说明。Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.
如图1所示，本实用新型太阳能喷射制冷辅助空调机组，它包括由压缩机1、室内换热器2、第一节流阀3和室外换热器4依次连接成的主机循环系统。As shown in Figure 1, the utility model solar jet refrigeration auxiliary air conditioner unit includes a main engine circulation system connected in sequence by a compressor 1, an indoor heat exchanger 2, a first throttle valve 3 and an outdoor heat exchanger 4.
第一节流阀3和室外换热器4之间还设有一个辅助换热器5。An auxiliary heat exchanger 5 is also provided between the first throttle valve 3 and the outdoor heat exchanger 4 .
该机组还包括由循环泵6、太阳能集热器7、喷射器9、中间换热器10和第二节流阀8构成的太阳能辅助循环系统。The unit also includes a solar auxiliary circulation system composed of a circulation pump 6 , a solar heat collector 7 , an ejector 9 , an intermediate heat exchanger 10 and a second throttle valve 8 .
循环泵6出口与太阳能集热器7入口连通，太阳能集热器7出口与喷射器9入口连通，喷射器9出口与中间换热器10入口连通，中间换热器10出口与循环泵6入口连通，中间换热器10出口还与第二节流阀8入口连通，第二节流阀8出口与辅助换热器5入口连通，辅助换热器5出口与喷射器9入口连通。The outlet of circulation pump 6 is connected with the inlet of solar heat collector 7, the outlet of solar heat collector 7 is connected with the inlet of ejector 9, the outlet of ejector 9 is connected with the inlet of intermediate heat exchanger 10, the outlet of intermediate heat exchanger 10 is connected with the inlet of circulation pump 6 The outlet of the intermediate heat exchanger 10 is also communicated with the inlet of the second throttle valve 8, the outlet of the second throttle valve 8 is communicated with the inlet of the auxiliary heat exchanger 5, and the outlet of the auxiliary heat exchanger 5 is communicated with the inlet of the injector 9.
如图1所示，本实用新型太阳能喷射制冷辅助空调机组的控制方法，其步骤包括：As shown in Figure 1, the control method of the utility model solar jet refrigeration auxiliary air conditioning unit, its steps include:
启动主机循环系统的压缩机1和太阳能辅助循环系统的循环泵6；当室外环境温度大于临界值如30℃时，室外换热器4的风机低风档运行；当室外环境温度不超过临界值时，室外换热器4的风机以正常风档运行。Start the compressor 1 of the host circulation system and the circulation pump 6 of the solar auxiliary circulation system; when the outdoor ambient temperature is greater than the critical value such as 30°C, the fan of the outdoor heat exchanger 4 operates at low wind speed; when the outdoor ambient temperature does not exceed the critical value , the fan of the outdoor heat exchanger 4 operates with a normal wind speed.
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| CN107062463A (en) * | 2017-01-05 | 2017-08-18 | 宁波奥克斯电气股份有限公司 | Solar ejector refrigeration auxiliary air conditioner unit and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107062463A (en) * | 2017-01-05 | 2017-08-18 | 宁波奥克斯电气股份有限公司 | Solar ejector refrigeration auxiliary air conditioner unit and control method |
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Address after: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO AUX ELECTRIC Co.,Ltd. Country or region after: China Address before: No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee before: NINGBO AUX ELECTRIC Co.,Ltd. Country or region before: China |