CN206817806U - A kind of refrigeration system with new micro-channel evaporator - Google Patents
A kind of refrigeration system with new micro-channel evaporator Download PDFInfo
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 33
- 239000003507 refrigerant Substances 0.000 claims abstract description 92
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 13
- 230000005514 two-phase flow Effects 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
本实用新型公开了一种具有新型微通道蒸发器的制冷系统，包括压缩机、油分离器、冷凝器、电磁阀、热力膨胀阀和微通道蒸发器；压缩机顶部的制冷剂出口通过油分离器与冷凝器的制冷剂入口相连通；冷凝器的制冷剂出口通过电磁阀与所述热力膨胀阀的入口相连通；热力膨胀阀的出口与所述微通道蒸发器的制冷剂入口相连通；微通道蒸发器的制冷剂出口与所述压缩机的制冷剂入口相连通；微通道蒸发器顶部与至少一根气体逸出管的左端相连通，每根气体逸出管的右端与压缩机的制冷剂入口相连通。本实用新型可及时排出微通道蒸发器内的气化制冷剂，有效解决微通道蒸发器内气液两相流动相互干扰问题，提升微通道蒸发器的换热效果以及制冷系统的整体制冷效果。
The utility model discloses a refrigeration system with a novel microchannel evaporator, which comprises a compressor, an oil separator, a condenser, a solenoid valve, a thermal expansion valve and a microchannel evaporator; the refrigerant outlet on the top of the compressor passes through the oil separation The condenser is connected with the refrigerant inlet of the condenser; the refrigerant outlet of the condenser is connected with the inlet of the thermal expansion valve through a solenoid valve; the outlet of the thermal expansion valve is connected with the refrigerant inlet of the microchannel evaporator; The refrigerant outlet of the microchannel evaporator communicates with the refrigerant inlet of the compressor; the top of the microchannel evaporator communicates with the left end of at least one gas escape pipe, and the right end of each gas escape pipe communicates with the compressor's The refrigerant inlet is connected. The utility model can discharge the vaporized refrigerant in the micro-channel evaporator in time, effectively solve the problem of mutual interference of gas-liquid two-phase flow in the micro-channel evaporator, and improve the heat exchange effect of the micro-channel evaporator and the overall cooling effect of the refrigeration system.
Description
技术领域technical field
本实用新型涉及制冷技术领域，特别是涉及一种具有新型微通道蒸发器的制冷系统。The utility model relates to the technical field of refrigeration, in particular to a refrigeration system with a novel microchannel evaporator.
背景技术Background technique
目前，制冷系统中的蒸发器多为套管式蒸发器、管壳式蒸发器、翅片式蒸发器等类型，这些类型的蒸发器均存在制冷剂充注量大、加工耗材量大、换热效率低等缺点。而与此形成明显对比的是，微通道蒸发器作为一种新型蒸发器，其具有体积小、重量轻、使用制冷剂少、换热效果好等优点，因此近年来被推广应用到空调制冷领域。At present, the evaporators in the refrigeration system are mostly sleeve-type evaporators, shell-and-tube evaporators, and fin-type evaporators. Disadvantages such as low thermal efficiency. In contrast to this, the microchannel evaporator, as a new type of evaporator, has the advantages of small size, light weight, less refrigerant used, and good heat transfer effect, so it has been promoted and applied to the field of air conditioning and refrigeration in recent years. .
对于制冷系统中的微通道蒸发器来说，其具有的微通道内气液两相流动相互干扰，其中气化的制冷剂严重阻碍液体制冷剂流动，从而容易造成制冷系统中微通道蒸发器内的制冷剂流量分配不均以及降低微通道蒸发器的换热效果等问题。但是，目前没有还没有一种技术，其可以有效解决制冷系统中微通道蒸发器存在的气液两相流动相互干扰问题，避免气化的制冷剂阻碍液体制冷剂流动。For the micro-channel evaporator in the refrigeration system, the gas-liquid two-phase flow in the micro-channel interferes with each other, and the vaporized refrigerant seriously hinders the flow of the liquid refrigerant, which is easy to cause in the micro-channel evaporator in the refrigeration system. The uneven distribution of the refrigerant flow and the reduction of the heat exchange effect of the micro-channel evaporator. However, there is currently no technology that can effectively solve the problem of mutual interference between the gas-liquid two-phase flow in the microchannel evaporator in the refrigeration system, and prevent the gasified refrigerant from hindering the flow of the liquid refrigerant.
因此，目前迫切需要开发出一种技术，其可以有效解决制冷系统中微通道蒸发器存在的气液两相流动相互干扰问题，避免气化的制冷剂阻碍液体制冷剂流动，从而保证制冷系统中微通道蒸发器内的制冷剂流量分配均匀，提升微通道蒸发器的换热效果，进而提升制冷系统的整体制冷效果。Therefore, there is an urgent need to develop a technology that can effectively solve the problem of mutual interference between the gas-liquid two-phase flow in the microchannel evaporator in the refrigeration system, avoid the vaporized refrigerant from hindering the flow of the liquid refrigerant, and ensure that the refrigerant in the refrigeration system The refrigerant flow in the micro-channel evaporator is evenly distributed, which improves the heat transfer effect of the micro-channel evaporator, thereby improving the overall cooling effect of the refrigeration system.
实用新型内容Utility model content
有鉴于此，本实用新型的目的是提供一种具有新型微通道蒸发器的制冷系统，其可以有效解决制冷系统中微通道蒸发器存在的气液两相流动相互干扰问题，避免气化的制冷剂阻碍液体制冷剂流动，从而保证制冷系统中微通道蒸发器内的制冷剂流量分配均匀，提升微通道蒸发器的换热效果，进而提升制冷系统的整体制冷效果，有利于广泛的推广应用，具有重大的生产实践意义。In view of this, the purpose of this utility model is to provide a refrigeration system with a new type of microchannel evaporator, which can effectively solve the problem of mutual interference of gas-liquid two-phase flow in the microchannel evaporator in the refrigeration system, and avoid the refrigeration of gasification. The refrigerant hinders the flow of liquid refrigerant, so as to ensure that the refrigerant flow in the micro-channel evaporator in the refrigeration system is evenly distributed, improve the heat transfer effect of the micro-channel evaporator, and then improve the overall cooling effect of the refrigeration system, which is conducive to wide application. It has great practical significance in production.
为此，本实用新型提供了一种具有新型微通道蒸发器的制冷系统，包括压缩机、油分离器、冷凝器、电磁阀、热力膨胀阀和微通道蒸发器；Therefore, the utility model provides a refrigeration system with a novel microchannel evaporator, including a compressor, an oil separator, a condenser, a solenoid valve, a thermal expansion valve and a microchannel evaporator;
其中，所述压缩机顶部的制冷剂出口通过所述油分离器与所述冷凝器的制冷剂入口相连通；Wherein, the refrigerant outlet at the top of the compressor communicates with the refrigerant inlet of the condenser through the oil separator;
所述冷凝器的制冷剂出口通过所述电磁阀与所述热力膨胀阀的入口相连通；The refrigerant outlet of the condenser communicates with the inlet of the thermal expansion valve through the solenoid valve;
所述热力膨胀阀的出口与所述微通道蒸发器的制冷剂入口相连通；The outlet of the thermal expansion valve communicates with the refrigerant inlet of the microchannel evaporator;
所述微通道蒸发器的制冷剂出口与所述压缩机的制冷剂入口相连通；The refrigerant outlet of the microchannel evaporator communicates with the refrigerant inlet of the compressor;
所述微通道蒸发器顶部与至少一根气体逸出管的左端相连通，每根所述气体逸出管的右端与所述压缩机底部的制冷剂入口相连通。The top of the micro-channel evaporator communicates with the left end of at least one gas outlet pipe, and the right end of each gas outlet pipe communicates with the refrigerant inlet at the bottom of the compressor.
其中，所述微通道蒸发器的制冷剂入口位于所述微通道蒸发器左端下部；Wherein, the refrigerant inlet of the micro-channel evaporator is located at the lower part of the left end of the micro-channel evaporator;
所述微通道蒸发器的制冷剂出口位于所述微通道蒸发器右端上部。The refrigerant outlet of the micro-channel evaporator is located at the upper right end of the micro-channel evaporator.
其中，所述微通道蒸发器顶部与一根所述气体逸出管的左端相连通，所述气体逸出管的右端与所述微通道蒸发器的制冷剂出口汇合后通过一根管路与所述压缩机的制冷剂入口相连通。Wherein, the top of the microchannel evaporator communicates with the left end of a gas escape pipe, and the right end of the gas escape pipe merges with the refrigerant outlet of the microchannel evaporator through a pipeline and The refrigerant inlets of the compressors are connected.
其中，所述热力膨胀阀包括有过热度感温包，所述过热度感温包安装在所述气体逸出管的右端与所述微通道蒸发器的制冷剂出口汇合处外侧的所述管路上。Wherein, the thermal expansion valve includes a superheat temperature sensing package, and the superheat temperature sensing package is installed on the outside of the tube where the right end of the gas escape tube meets the refrigerant outlet of the microchannel evaporator. on the way.
其中，所述气体逸出管的右端与所述微通道蒸发器的制冷剂出口汇合后相连的管路上还设置有一个温度传感器和一个湿度传感器。Wherein, a temperature sensor and a humidity sensor are also arranged on the pipeline connected after the right end of the gas escape pipe merges with the refrigerant outlet of the microchannel evaporator.
其中，所述热力膨胀阀的出口与所述微通道蒸发器的制冷剂入口之间的连接管路上设置有一个温度传感器和一个湿度传感器。Wherein, a temperature sensor and a humidity sensor are arranged on the connecting pipeline between the outlet of the thermal expansion valve and the refrigerant inlet of the microchannel evaporator.
由以上本实用新型提供的技术方案可见，与现有技术相比较，本实用新型提供了一种具有新型微通道蒸发器的制冷系统，其可以通过在微通道蒸发器顶部设置的气体逸出管，及时排出微通道蒸发器内存在的气化的制冷剂，从而有效解决制冷系统中微通道蒸发器存在的气液两相流动相互干扰问题，避免气化的制冷剂阻碍液体制冷剂流动，使得微通道蒸发器内的制冷剂流速变大，从而保证制冷系统中微通道蒸发器内的制冷剂流量分配均匀，提升微通道蒸发器的换热效果，进而提升制冷系统的整体制冷效果，有利于广泛的推广应用，具有重大的生产实践意义。It can be seen from the technical solution provided by the utility model above that, compared with the prior art, the utility model provides a refrigeration system with a new microchannel evaporator, which can pass through the gas escape tube arranged on the top of the microchannel evaporator , timely discharge the vaporized refrigerant in the micro-channel evaporator, thereby effectively solving the problem of mutual interference between the gas-liquid two-phase flow in the micro-channel evaporator in the refrigeration system, and avoiding the vaporized refrigerant from hindering the flow of liquid refrigerant, so that The refrigerant flow rate in the micro-channel evaporator becomes larger, so as to ensure that the refrigerant flow in the micro-channel evaporator in the refrigeration system is evenly distributed, improve the heat transfer effect of the micro-channel evaporator, and then improve the overall cooling effect of the refrigeration system, which is beneficial to Extensive popularization and application have great practical significance in production.
此外，对于本实用新型提供的具有新型微通道蒸发器的制冷系统，其能够通过气体逸出管及时排出微通道蒸发器内气化的制冷剂，因此可以充分利用微通道蒸发器的换热面积，降低微通道蒸发器内的压力，提高微通道蒸发器换热效率、大大降低蒸发器制冷剂充注量。In addition, for the refrigeration system with the new microchannel evaporator provided by the utility model, it can timely discharge the gasified refrigerant in the microchannel evaporator through the gas escape pipe, so the heat exchange area of the microchannel evaporator can be fully utilized , reduce the pressure in the micro-channel evaporator, improve the heat exchange efficiency of the micro-channel evaporator, and greatly reduce the refrigerant charge of the evaporator.
附图说明Description of drawings
图1为本实用新型提供的一种具有新型微通道蒸发器的制冷系统的结构示意图；Fig. 1 is a structural representation of a refrigeration system with a novel microchannel evaporator provided by the utility model;
图中，1为压缩机，2为油分离器，3为冷凝器，4为电磁阀，5为热力膨胀阀，6为微通道蒸发器，7为气体逸出管，8为温度传感器，9为湿度传感器。In the figure, 1 is a compressor, 2 is an oil separator, 3 is a condenser, 4 is a solenoid valve, 5 is a thermal expansion valve, 6 is a microchannel evaporator, 7 is a gas escape pipe, 8 is a temperature sensor, 9 for the humidity sensor.
具体实施方式detailed description
为了使本技术领域的人员更好地理解本实用新型方案，下面结合附图和实施方式对本实用新型作进一步的详细说明。In order to enable those skilled in the art to better understand the solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.
参见图1，本实用新型提供了一种具有新型微通道蒸发器的制冷系统，包括压缩机1、油分离器2、冷凝器3、电磁阀4、热力膨胀阀5和微通道蒸发器6；Referring to Fig. 1, the utility model provides a refrigeration system with a novel microchannel evaporator, including a compressor 1, an oil separator 2, a condenser 3, a solenoid valve 4, a thermal expansion valve 5 and a microchannel evaporator 6;
其中，所述压缩机1顶部的制冷剂出口(即气态制冷剂出口)通过所述油分离器2与所述冷凝器3左端上部的制冷剂入口相连通(通过管路)；Wherein, the refrigerant outlet at the top of the compressor 1 (i.e., the gaseous refrigerant outlet) communicates with the refrigerant inlet at the upper left end of the condenser 3 through the oil separator 2 (through a pipeline);
所述冷凝器3右端下部的制冷剂出口通过所述电磁阀4与所述热力膨胀阀5的入口相连通；The refrigerant outlet at the lower part of the right end of the condenser 3 communicates with the inlet of the thermal expansion valve 5 through the solenoid valve 4;
所述热力膨胀阀5的出口与所述微通道蒸发器6左端下部的制冷剂入口相连通；The outlet of the thermal expansion valve 5 communicates with the refrigerant inlet at the lower left end of the microchannel evaporator 6;
所述微通道蒸发器6右端上部的制冷剂出口与所述压缩机1底部的制冷剂入口(即气态制冷剂入口)相连通。The refrigerant outlet at the upper right end of the micro-channel evaporator 6 communicates with the refrigerant inlet at the bottom of the compressor 1 (that is, the gaseous refrigerant inlet).
在本实用新型中，为了及时排出微通道蒸发器内存在的气化的制冷剂，具体实现上，所述微通道蒸发器6顶部与一根气体逸出管7的左端相连通，所述气体逸出管7的右端与所述压缩机1的制冷剂入口(即气态制冷剂入口)相连通。In the utility model, in order to timely discharge the gasified refrigerant existing in the microchannel evaporator, in practice, the top of the microchannel evaporator 6 communicates with the left end of a gas escape pipe 7, and the gas The right end of the escape pipe 7 communicates with the refrigerant inlet of the compressor 1 (that is, the gas refrigerant inlet).
具体实现上，所述气体逸出管7的右端与所述微通道蒸发器6右端上部的制冷剂出口汇合后通过一根管路与所述压缩机1的制冷剂入口(即气态制冷剂入口)相连通。In specific implementation, the right end of the gas escape pipe 7 merges with the refrigerant outlet on the upper right end of the microchannel evaporator 6 and connects with the refrigerant inlet of the compressor 1 (i.e., the gaseous refrigerant inlet) through a pipeline. ) are connected.
需要说明的是，对于本实用新型，所述气体逸出管7不限于图1所示的一根，根据用户的需要以及微通道蒸发器6的具体尺寸大小，还可以设置为任意多根。It should be noted that, for the present utility model, the gas escape pipe 7 is not limited to one as shown in FIG. 1 , and can be arranged in any number according to the needs of users and the specific size of the microchannel evaporator 6 .
在本实用新型中，具体实现上，所述热力膨胀阀5包括有过热度感温包，所述过热度感温包安装在所述气体逸出管7的右端与所述微通道蒸发器6右端上部的制冷剂出口汇合处外侧(即右侧)的所述管路上。In the present utility model, in specific implementation, the thermal expansion valve 5 includes a superheat temperature-sensing package, and the superheat-degree temperature-sensing package is installed on the right end of the gas escape pipe 7 and the microchannel evaporator 6 The refrigerant outlet at the upper part of the right end meets the outer side (that is, the right side) of the pipeline.
需要说明的是，过热度感温包是热力膨胀阀的重要组成部件之一，其用来检测微通道蒸发器6的制冷剂出口的温度，并把温度信息转换成压力信息后传给热力膨胀阀的阀体，从而起到调节流入到微通道蒸发器6中的制冷剂流量的作用。It should be noted that the superheat temperature sensor bulb is one of the important components of the thermal expansion valve, which is used to detect the temperature of the refrigerant outlet of the microchannel evaporator 6, and convert the temperature information into pressure information and then transmit it to the thermal expansion valve. The valve body of the valve plays a role in regulating the flow of refrigerant flowing into the micro-channel evaporator 6 .
在本实用新型中，具体实现上，所述气体逸出管7的右端与所述微通道蒸发器6右端上部的制冷剂出口汇合后相连的管路上还设置有一个温度传感器(T)8和一个湿度传感器(P)9；In the present utility model, in concrete implementation, a temperature sensor (T) 8 and a temperature sensor (T) 8 are also arranged on the pipeline connected after the right end of the gas escape pipe 7 merges with the refrigerant outlet on the upper right end of the microchannel evaporator 6. a humidity sensor (P) 9;
所述热力膨胀阀5的出口与所述微通道蒸发器6左端下部的制冷剂入口之间的连接管路上也设置有一个所述温度传感器(T)8和一个所述湿度传感器(P)9。所述温度传感器8和湿度传感器9用于分别检测所安装管路中流通的制冷剂的温度和湿度。A temperature sensor (T) 8 and a humidity sensor (P) 9 are also arranged on the connecting pipeline between the outlet of the thermal expansion valve 5 and the refrigerant inlet at the lower left end of the microchannel evaporator 6 . The temperature sensor 8 and the humidity sensor 9 are used to respectively detect the temperature and humidity of the refrigerant circulating in the installed pipeline.
需要说明的是，对于本实用新型，任意两个相互连通的部件之间是通过一段管路相连通，如图1所示。It should be noted that, for the present utility model, any two connected components are connected through a section of pipeline, as shown in FIG. 1 .
对于本实用新型，需要说明的是，通过所述压缩机1将来自微通道蒸发器6的低压的制冷剂气体压缩为高压的制冷剂气体，然后高压的制冷剂气体继续导入油分离器2中，通过油分离器2将高压制冷剂气体中携带的润滑油分离，然后高压的制冷剂气体继续进入冷凝器3中，在冷凝器3中制冷剂将自身的热量传递给外部，制冷剂气体被冷却为高压的制冷剂液体，然后经电磁阀4和热力膨胀阀5节流为低压的气液两相流体，制冷剂继续进入微通道蒸发器6中，在微通道蒸发器6中吸收外部的热量而实现蒸发成低压的制冷剂气体，最终达到制冷的效果。For the utility model, it should be noted that the low-pressure refrigerant gas from the microchannel evaporator 6 is compressed into high-pressure refrigerant gas by the compressor 1, and then the high-pressure refrigerant gas continues to be introduced into the oil separator 2 , the lubricating oil carried in the high-pressure refrigerant gas is separated through the oil separator 2, and then the high-pressure refrigerant gas continues to enter the condenser 3, and the refrigerant transfers its own heat to the outside in the condenser 3, and the refrigerant gas is Cooled into a high-pressure refrigerant liquid, and then throttled into a low-pressure gas-liquid two-phase fluid through the solenoid valve 4 and the thermal expansion valve 5, the refrigerant continues to enter the micro-channel evaporator 6, where it absorbs external The heat is evaporated into a low-pressure refrigerant gas, and finally the cooling effect is achieved.
综上所述，与现有技术相比较，本实用新型提供的一种具有新型微通道蒸发器的制冷系统，其可以通过在微通道蒸发器顶部设置的气体逸出管，及时排出微通道蒸发器内存在的气化的制冷剂，从而有效解决制冷系统中微通道蒸发器存在的气液两相流动相互干扰问题，避免气化的制冷剂阻碍液体制冷剂流动，使得微通道蒸发器内的制冷剂流速变大，从而保证制冷系统中微通道蒸发器内的制冷剂流量分配均匀，提升微通道蒸发器的换热效果，进而提升制冷系统的整体制冷效果，有利于广泛的推广应用，具有重大的生产实践意义。In summary, compared with the prior art, the utility model provides a refrigeration system with a new type of microchannel evaporator, which can discharge the microchannel evaporation in time through the gas escape pipe arranged on the top of the microchannel evaporator. The gasified refrigerant in the evaporator can effectively solve the problem of gas-liquid two-phase flow interference in the micro-channel evaporator in the refrigeration system, and prevent the gasified refrigerant from hindering the flow of liquid refrigerant, so that the micro-channel evaporator The flow rate of the refrigerant becomes larger, so as to ensure the uniform distribution of the refrigerant flow in the micro-channel evaporator in the refrigeration system, improve the heat transfer effect of the micro-channel evaporator, and then improve the overall cooling effect of the refrigeration system, which is conducive to wide popularization and application. Significant practical significance in production.
此外，对于本实用新型提供的具有新型微通道蒸发器的制冷系统，其能够通过气体逸出管及时排出微通道蒸发器内气化的制冷剂，因此可以充分利用微通道蒸发器的换热面积，降低微通道蒸发器内的压力，提高微通道蒸发器换热效率、大大降低蒸发器制冷剂充注量。In addition, for the refrigeration system with the new microchannel evaporator provided by the utility model, it can timely discharge the gasified refrigerant in the microchannel evaporator through the gas escape pipe, so the heat exchange area of the microchannel evaporator can be fully utilized , reduce the pressure in the micro-channel evaporator, improve the heat exchange efficiency of the micro-channel evaporator, and greatly reduce the refrigerant charge of the evaporator.
以上所述仅是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本实用新型的保护范围。The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. Retouching should also be regarded as the scope of protection of the present utility model.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489307A (en) * | 2018-12-04 | 2019-03-19 | 天津商业大学 | Double-flow micro-channel evaporator with double liquid supply pipes and air guide tubule |
| CN109631374A (en) * | 2018-12-04 | 2019-04-16 | 天津商业大学 | A kind of refrigeration system with novel double-flow micro-channel evaporator |
| CN110701806A (en) * | 2019-10-24 | 2020-01-17 | 天津商业大学 | Double-process microchannel evaporator refrigerating system with liquid level control and bypass air guide tube |
| CN113587252A (en) * | 2021-08-11 | 2021-11-02 | 哈尔滨工业大学（深圳） | Microchannel heat exchanger and air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489307A (en) * | 2018-12-04 | 2019-03-19 | 天津商业大学 | Double-flow micro-channel evaporator with double liquid supply pipes and air guide tubule |
| CN109631374A (en) * | 2018-12-04 | 2019-04-16 | 天津商业大学 | A kind of refrigeration system with novel double-flow micro-channel evaporator |
| CN110701806A (en) * | 2019-10-24 | 2020-01-17 | 天津商业大学 | Double-process microchannel evaporator refrigerating system with liquid level control and bypass air guide tube |
| CN110701806B (en) * | 2019-10-24 | 2024-04-30 | 天津商业大学 | Double-flow-path micro-channel evaporator refrigerating system with liquid level control and bypass air duct |
| CN113587252A (en) * | 2021-08-11 | 2021-11-02 | 哈尔滨工业大学（深圳） | Microchannel heat exchanger and air conditioner |
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