CN204786979U - Indirect evaporative cooling air -conditioning unit of vertical high efficiency - Google Patents
Indirect evaporative cooling air -conditioning unit of vertical high efficiency Download PDFInfo
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- CN204786979U CN204786979U CN201520469477.4U CN201520469477U CN204786979U CN 204786979 U CN204786979 U CN 204786979U CN 201520469477 U CN201520469477 U CN 201520469477U CN 204786979 U CN204786979 U CN 204786979U
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- 238000001816 cooling Methods 0.000 title claims abstract description 49
- 238000004378 air conditioning Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000002131 composite material Substances 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 6
- 238000012856 packing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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Abstract
本实用新型公开的立式高效间接蒸发冷却空调机组，包括有机组壳体和设置于机组壳体外部的太阳能供电单元；机组壳体相对的两侧壁上分别设置有进风口、送风口；机组壳体内设置有填料-波节管复合式冷却单元；填料-波节管复合式冷却单元上方对应的机组壳体顶壁上设置有排风口。本实用新型立式高效间接蒸发冷却空调机组，采用立式布置形式，结构更紧凑、缩小了机组水平方向占地面积；采用波节管换热器，增加了换热面积，加强了空气间的扰动，使换热更充分，换热效率更高；整个机组利用太阳能电池板发电，带动风机和水泵的运行，减小机组的电耗。
The vertical high-efficiency indirect evaporative cooling air conditioning unit disclosed by the utility model includes an organic unit casing and a solar power supply unit arranged outside the unit casing; air inlets and air supply ports are respectively arranged on the opposite side walls of the unit casing; A filler-corrugated tube composite cooling unit is arranged in the casing; an air exhaust port is arranged on the top wall of the unit casing corresponding to the filler-corrugated tube composite cooling unit. The vertical high-efficiency indirect evaporative cooling air-conditioning unit of the utility model adopts the vertical arrangement form, the structure is more compact, and the horizontal area of the unit is reduced; the corrugated tube heat exchanger is used to increase the heat exchange area and strengthen the space between the air Disturbance, so that the heat exchange is more sufficient and the heat exchange efficiency is higher; the whole unit uses solar panels to generate electricity, driving the operation of fans and water pumps, reducing the power consumption of the unit.
Description
技术领域technical field
本实用新型属于空调设备技术领域，具体涉及一种立式高效间接蒸发冷却空调机组。The utility model belongs to the technical field of air-conditioning equipment, in particular to a vertical high-efficiency indirect evaporative cooling air-conditioning unit.
背景技术Background technique
间接蒸发冷却技术是自20世纪30年代发展起来的一种空调制冷技术，随着能源短缺和环境问题日益突出，20世纪80年代以来这项技术引起很多学者专家的关注。Indirect evaporative cooling technology is an air-conditioning and refrigeration technology developed since the 1930s. With the increasingly prominent energy shortage and environmental problems, this technology has attracted the attention of many scholars and experts since the 1980s.
由于间接蒸发冷却空调机组在运行过程中能大大降低空调制冷的能耗，这使得间接蒸发冷却空调机组已经得到越来越广泛的应用。Since the indirect evaporative cooling air-conditioning unit can greatly reduce the energy consumption of air-conditioning refrigeration during operation, this makes the indirect evaporative cooling air-conditioning unit have been more and more widely used.
然而，现有的间接蒸发冷却空调机组在实际运行中存在着换热效率低以及机组尺寸大的问题亟待解决。However, the existing indirect evaporative cooling air-conditioning units have the problems of low heat exchange efficiency and large unit size in actual operation, which need to be solved urgently.
实用新型内容Utility model content
本实用新型的目的在于提供一种立式高效间接蒸发冷却空调机组，不仅能有效提高换热效率，而且能减小机组体积。The purpose of the utility model is to provide a vertical high-efficiency indirect evaporative cooling air conditioning unit, which can not only effectively improve the heat exchange efficiency, but also reduce the volume of the unit.
本实用新型所采用的技术方案是，立式高效间接蒸发冷却空调机组，包括有机组壳体和设置于机组壳体外部的太阳能供电单元；机组壳体相对的两侧壁上分别设置有进风口、送风口；机组壳体内设置有填料-波节管复合式冷却单元，填料-波节管复合式冷却单元上方对应的机组壳体顶壁上设置有排风口。The technical solution adopted by the utility model is that the vertical high-efficiency indirect evaporative cooling air conditioning unit includes an organic unit casing and a solar power supply unit arranged outside the unit casing; air inlets are respectively arranged on the opposite side walls of the unit casing 1. Air supply port; there is a packing-corrugated tube composite cooling unit inside the unit shell, and an air exhaust port is provided on the top wall of the unit shell corresponding to the packing-corrugated tube compound cooling unit.
本实用新型的特点在于：The utility model is characterized in that:
进风口内设置有风阀。An air valve is arranged in the air inlet.
机组壳体内靠近送风口处设置有送风机，送风机与太阳能供电单元连接。A blower fan is arranged in the casing of the unit close to the air supply port, and the blower fan is connected with the solar power supply unit.
太阳能供电单元由电流转换输出装置和太阳能电池板经导线连接组成；电流转换输出装置通过导线分别与送风机、填料-波节管复合式冷却单元内的二次风机及循环水泵连接；太阳能电池板面向排风口设置。The solar power supply unit is composed of the current conversion output device and the solar panel connected by wires; the current conversion output device is respectively connected to the air blower, the secondary fan and the circulating water pump in the filler-corrugated tube composite cooling unit through wires; the solar panel faces Vent settings.
填料-波节管复合式冷却单元，包括有填料-波节管复合式换热装置，填料-波节管复合式换热装置的上方依次设置有布水器、挡水板及二次风机；填料-波节管复合式换热装置的下方设置有循环水箱，所述循环水箱通过供水管与布水管连接，供水管上设置有循环水泵；布水管上均匀设置有多个面朝下喷淋的喷嘴；填料-波节管复合式换热装置与循环水箱之间形成二次风风道，二次风风道对应的机组壳体侧壁上设置有二次风进风口。Packing-corrugated tube composite cooling unit, including a filler-corrugated tube composite heat exchange device, above which a water distributor, a water baffle and a secondary fan are arranged in sequence; A circulating water tank is arranged below the filler-corrugated tube composite heat exchange device, and the circulating water tank is connected to the water distribution pipe through a water supply pipe. The water supply pipe is provided with a circulating water pump; The nozzle; the secondary air duct is formed between the filler-corrugated tube composite heat exchange device and the circulating water tank, and the side wall of the unit shell corresponding to the secondary air duct is provided with a secondary air inlet.
料-波节管复合式换热装置，包括有填料，填料的下部连接有波节管换热器；填料下部的两端分别通过挡板与同侧的机组壳体侧壁连接。The material-corrugated tube compound heat exchange device includes packing, and the lower part of the packing is connected with a corrugated tube heat exchanger; the two ends of the lower part of the packing are respectively connected to the side wall of the unit shell on the same side through baffles.
波节管换热器由多根竖直设置的波节管组成。The corrugated tube heat exchanger is composed of multiple vertically arranged corrugated tubes.
挡板呈倾斜状设置，便于收集挡水板的挡水流入波节管换热器内。The baffle is arranged in an inclined shape, which is convenient for collecting water from the water baffle to flow into the corrugated tube heat exchanger.
二次风进风口内设置有风量控制阀。An air volume control valve is arranged in the air inlet of the secondary air.
本实用新型的有益效果在于：The beneficial effects of the utility model are:
1.本实用新型立式高效间接蒸发冷却空调机组采用立式布置形式，与卧式机组结构相比，其机组结构更紧凑，有效缩小了机组水平方向占地面积，节省建筑面积。1. The vertical high-efficiency indirect evaporative cooling air-conditioning unit of the utility model adopts a vertical layout. Compared with the horizontal unit structure, the unit structure is more compact, which effectively reduces the horizontal footprint of the unit and saves the building area.
2.本实用新型立式高效间接蒸发冷却空调机组内采用波节管换热器，二次空气自下而上通过波节管内，一次空气流过波节管外；采用波节管换热器，增加了换热面积，加强了空气间的扰动，使换热更充分，换热效率更高，并且波节管换热器在很低流速下就可以产生湍流，管壁不易结垢。2. The vertical high-efficiency indirect evaporative cooling air conditioning unit of this utility model adopts a corrugated tube heat exchanger, the secondary air passes through the corrugated tube from bottom to top, and the primary air flows outside the corrugated tube; the corrugated tube heat exchanger is adopted , the heat exchange area is increased, the disturbance between the air is strengthened, the heat exchange is more sufficient, and the heat exchange efficiency is higher, and the corrugated tube heat exchanger can generate turbulent flow at a very low flow rate, and the tube wall is not easy to scale.
3.在本实用新型立式高效间接蒸发冷却空调机组内，将填料布置于波节管换热器上方，两者共用一套布水系统；通过填料对波节管换热器进行布水，既可以对二次空气进行冷却，降低循环水的温度，又相当于布水网格，使波节管内布水更加均匀。3. In the vertical high-efficiency indirect evaporative cooling air conditioning unit of the utility model, the packing is arranged above the corrugated tube heat exchanger, and the two share a set of water distribution system; the corrugated tube heat exchanger is used to distribute water through the packing, both It can cool the secondary air, reduce the temperature of the circulating water, and is equivalent to the water distribution grid, so that the water distribution in the corrugated tube is more uniform.
4.本实用新型立式高效间接蒸发冷却空调机组，利用太阳能供电单元内的太阳能电池板发电，带动内部的所有风机和循环水泵的运行，减小机组的电耗，使整个机组更节能。4. The vertical high-efficiency indirect evaporative cooling air-conditioning unit of this utility model uses the solar panel in the solar power supply unit to generate electricity, drives the operation of all internal fans and circulating water pumps, reduces the power consumption of the unit, and makes the whole unit more energy-saving.
5.本实用新型立式高效间接蒸发冷却空调机组排出的排风温度较低，利用排风能带走太阳能电池板表面的热量，提高太阳能电池板的发电效率。5. The temperature of the exhaust air discharged by the vertical high-efficiency indirect evaporative cooling air-conditioning unit of the utility model is relatively low, and the heat from the surface of the solar panel can be taken away by the exhaust air to improve the power generation efficiency of the solar panel.
6.本实用新型的立式高效间接蒸发冷却空调机组内设置有倾斜布置的挡板，用于收集挡水板的挡水使其流入波节管换热器内，充分利用水资源。6. The vertical high-efficiency indirect evaporative cooling air-conditioning unit of the utility model is provided with obliquely arranged baffles, which are used to collect the water of the water baffles and make them flow into the corrugated tube heat exchanger, making full use of water resources.
附图说明Description of drawings
图1是本实用新型立式高效间接蒸发冷却空调机组的结构示意图。Fig. 1 is a structural schematic diagram of a vertical high-efficiency indirect evaporative cooling air conditioning unit of the present invention.
图中，1.进风口，2.波节管，3.循环水泵，4.二次风进风口，5.循环水箱，6.挡板，7.填料，8.喷嘴，9.挡水板，10.二次风机，11.送风机，12.电流转换输出装置，13.太阳能电池板，14.排风口，15.送风口，16.供水管。In the figure, 1. Air inlet, 2. Corrugated tube, 3. Circulating water pump, 4. Secondary air inlet, 5. Circulating water tank, 6. Baffle, 7. Packing, 8. Nozzle, 9. Water baffle , 10. Secondary fan, 11. Air blower, 12. Current conversion output device, 13. Solar panel, 14. Air outlet, 15. Air outlet, 16. Water supply pipe.
具体实施方式Detailed ways
下面结合附图和具体实施方式对本实用新型进行详细说明。The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
本实用新型立式高效间接蒸发冷却空调机组，其结构如图1所示，包括有机组壳体和设置于机组壳体外部的太阳能供电单元；机组壳体相对的两侧壁上分别设置有进风口1、送风口15；机组壳体内设置有填料-波节管复合式冷却单元，填料-波节管复合式冷却单元上方对应的机组壳体顶壁上设置有排风口14。The utility model vertical high-efficiency indirect evaporative cooling air-conditioning unit has a structure as shown in Figure 1, including an organic unit casing and a solar power supply unit arranged outside the unit casing; Air port 1, air supply port 15; packing-corrugated tube composite cooling unit is arranged in the casing of the unit, and an air exhaust port 14 is provided on the top wall of the corresponding unit casing above the packing-corrugated tube composite cooling unit.
进风口1内设置有风阀。An air valve is arranged in the air inlet 1 .
机组壳体内靠近送风口15处设置有送风机11，送风机11与太阳能供电单元连接。An air blower 11 is arranged in the casing of the unit close to the air outlet 15, and the air blower 11 is connected with the solar power supply unit.
太阳能供电单元由电流转换输出装置12和太阳能电池板13经导线连接组成；电流转换输出装置12通过导线分别与送风机11、填料-波节管复合式冷却单元内的二次风机10及循环水泵3连接。The solar power supply unit is composed of a current conversion output device 12 and a solar panel 13 connected by wires; the current conversion output device 12 is respectively connected to the air blower 11, the secondary fan 10 and the circulating water pump 3 in the filler-corrugated tube composite cooling unit through wires connect.
太阳能电池板13面向排风口14设置。The solar panel 13 is arranged facing the air outlet 14 .
填料-波节管复合式冷却单元，包括有填料-波节管复合式换热装置，填料-波节管复合式换热装置的上方依次设置有布水器、挡水板9及二次风机10；填料-波节管复合式换热装置的下方设置有循环水箱5，循环水箱5通过供水管16与布水管连接，布水管上均匀设置有多个面朝下喷淋的喷嘴8；填料-波节管复合式换热装置与循环水箱5之间形成二次风风道；二次风风道对应的机组壳体侧壁上设置有二次风进风口4。供水管16上设置有循环水泵3。Filler-corrugated tube composite cooling unit, including filler-corrugated tube composite heat exchange device, above the filler-corrugated tube composite heat exchange device, there are water distributors, water baffles 9 and secondary fans in sequence 10. There is a circulating water tank 5 under the filler-corrugated tube composite heat exchange device, and the circulating water tank 5 is connected to the water distribution pipe through the water supply pipe 16. The water distribution pipe is evenly equipped with a plurality of downward spraying nozzles 8; the filler -A secondary air duct is formed between the corrugated tube composite heat exchange device and the circulating water tank 5; the side wall of the unit housing corresponding to the secondary air duct is provided with a secondary air inlet 4. The circulating water pump 3 is arranged on the water supply pipe 16 .
填料-波节管复合式换热装置，包括有填料7，填料7的下部连接有波节管换热器；波节管换热器由多根竖直设置的波节管2组成；填料7下部的两端分别通过挡板6与同侧的机组壳体侧壁连接。The filler-corrugated tube composite heat exchange device includes filler 7, and the lower part of the filler 7 is connected with a corrugated tube heat exchanger; the corrugated tube heat exchanger is composed of multiple vertically arranged corrugated tubes 2; the filler 7 The two ends of the lower part are respectively connected to the side wall of the unit casing on the same side through the baffle plate 6 .
挡板6呈倾斜状设置，用于收集挡水板9的挡水流入波节管换热器内。The baffle plate 6 is arranged in an inclined shape, and is used for collecting the water of the water baffle plate 9 to flow into the corrugated tube heat exchanger.
二次风进风口4内设置有风量控制阀。An air volume control valve is arranged in the secondary air inlet 4 .
本实用新型立式高效间接蒸发冷却空调机组中主要部件的作用如下：The functions of the main components in the vertical high-efficiency indirect evaporative cooling air-conditioning unit of the utility model are as follows:
进风口1：其内部设置有风阀，供空气进入机组壳体内，并利用风阀调节进风量。Air inlet 1: There is an air valve inside it to supply air into the casing of the unit, and use the air valve to adjust the air intake.
填料-波节管复合式冷却单元：利用填料-波节管复合式换热装置进行换热，在填料-波节管复合式换热装置中，波节管换热器由多根竖直设置的波节管2组成，一次空气从多根波节管2外掠过，二次空气自下而上通过多根波节管2管内；填料7和波节管换热器呈上、下布置，填料7直接坐落于波节管换热器上，两者共用一套布水系统；当布水系统将水通过喷嘴8喷淋至填料7，当填料7被完全润湿后就会流入波节管换热器内，经换热后再流入循环水箱5，如此循环。Packing-corrugated tube composite cooling unit: use the filler-corrugated tube composite heat exchange device for heat exchange. In the filler-corrugated tube composite heat exchange device, the corrugated tube heat exchanger consists of multiple vertically arranged Composed of multiple corrugated tubes 2, the primary air passes through multiple corrugated tubes 2, and the secondary air passes through multiple corrugated tubes 2 from bottom to top; the packing 7 and the corrugated tube heat exchanger are arranged up and down , the filler 7 is directly located on the corrugated tube heat exchanger, and the two share a set of water distribution system; when the water distribution system sprays water to the filler 7 through the nozzle 8, when the filler 7 is completely wetted, it will flow into the corrugated node In the tube heat exchanger, it flows into the circulating water tank 5 after heat exchange, and circulates like this.
挡板6：采用倾斜式设置，收集挡水板9的挡水流入波节管换热器内，充分利用水资源。The baffle plate 6: adopts inclined setting, and collects the retaining water of the water baffle plate 9 to flow into the corrugated tube heat exchanger, so as to make full use of water resources.
太阳能供电单元：太阳能电池板13产生的电，经过电流转换输出装置12处理后，就可以供给送风机11、二次风机10和循环水泵3。Solar power supply unit: the electricity generated by the solar panel 13 can be supplied to the blower 11 , the secondary fan 10 and the circulating water pump 3 after being processed by the current conversion output device 12 .
二次风进风口4：其内部设置有风阀，用于供二次风进入，并控制进风量。Secondary air inlet 4: there is an air valve inside it, which is used for entering the secondary air and controlling the air intake.
送风口15：在送风机11的作用下可以使处理后的空气送入空调区。Air supply port 15: under the action of the blower 11, the treated air can be sent into the air-conditioning area.
排风口14：排风口面向太阳能电池板13，由于排风温度较低，利用排风带走太阳能电池板13表面的热量，能有效提高太阳能电池板的发电效率。Air exhaust port 14: the air exhaust port faces the solar panel 13. Since the exhaust air temperature is low, the heat from the surface of the solar panel 13 can be taken away by the exhaust air, which can effectively improve the power generation efficiency of the solar panel.
本实用新型立式高效间接蒸发冷却空调机组，其工作流程具体如下：The utility model vertical high-efficiency indirect evaporative cooling air conditioning unit, its working process is as follows:
(1)空气系统：(1) Air system:
室外的一次空气通过进风口1进入机组壳体内，掠过多根波节管2的外壁，与波节管2内二次空气和水进行换热，此时一次空气被等湿降温处理，被处理后的空气在送风机11的作用下由送风口15送入需要降温的场所。The outdoor primary air enters the unit casing through the air inlet 1, skims the outer walls of multiple corrugated tubes 2, and exchanges heat with the secondary air and water in the corrugated tubes 2. At this time, the primary air is treated by isohumidity cooling and is The treated air is sent to the place that needs cooling through the air outlet 15 under the action of the air blower 11 .
二次空气由二次风进风口4流入波节管换热器内，自下而上流经波节管2内，与自上而下的喷淋水进行热湿交换，带走多根波节管2外的一次风的热量，然后与填料7进行热湿交换，此时二次空气被冷却；冷却后的二次空气由排风口14通向太阳能电池板13，对太阳能电池板13进行冷却。The secondary air flows into the corrugated tube heat exchanger from the secondary air inlet 4, flows through the corrugated tube 2 from bottom to top, and exchanges heat and moisture with the spray water from top to bottom, taking away multiple corrugated tubes The heat of the primary air outside the tube 2 is then exchanged with the filler 7 for heat and moisture, and the secondary air is cooled at this time; the cooled secondary air is led to the solar panel 13 by the air outlet 14, and the solar panel 13 cool down.
(2)循环水系统：(2) Circulating water system:
循环水箱5中的循环水经循环水泵3加压提升，经供水管16送至布水管内，由布水管上的喷嘴8将水喷淋到填料7上，此时循环水与换热过的二次空气进行完全的热湿交换，循环水和二次空气都得到冷却，之后循环水滴落到波节管2的换热器内，在多根波节管2的外壁上形成水膜，水膜与自下而上的二次空气热湿交换，然后水膜在二次空气作用下蒸发吸热，冷却波节管2外的一次空气，而未蒸发的循环水则落入回循环水箱5中，如此循环。The circulating water in the circulating water tank 5 is pressurized and lifted by the circulating water pump 3, and sent to the water distribution pipe through the water supply pipe 16, and the water is sprayed onto the filler 7 by the nozzle 8 on the water distribution pipe. At this time, the circulating water and the heat-exchanged two The secondary air undergoes complete heat and moisture exchange, the circulating water and the secondary air are cooled, and then the circulating water drops into the heat exchanger of the corrugated tube 2, forming a water film on the outer wall of multiple corrugated tubes 2, and the water film Heat and moisture exchange with the secondary air from bottom to top, and then the water film evaporates and absorbs heat under the action of the secondary air, cooling the primary air outside the corrugated tube 2, while the unevaporated circulating water falls into the circulating water tank 5 , and so on.
(3)太阳能发电系统：(3) Solar power generation system:
送风机11、二次风机10和循环水泵3所需要的电能均是由太阳能供电单元提供的；The electric energy required by the air blower 11, the secondary air blower 10 and the circulating water pump 3 is all provided by the solar power supply unit;
太阳能供电单元中的太阳能电池板13吸收太阳能进行发电，产生的电被送入到电流转换输出装置12，转换处理为需要的交流电，然后输送到送风机11、二次风机10和循环水泵3，供其日常用电。The solar panel 13 in the solar power supply unit absorbs solar energy to generate electricity, and the generated electricity is sent to the current conversion output device 12, converted into the required alternating current, and then sent to the air blower 11, the secondary air blower 10 and the circulating water pump 3. its daily electricity consumption.
本实用新型立式高效间接蒸发冷却空调机组，采用立式布置形式，结构更紧凑、缩小了机组水平方向占地面积；采用波节管换热器，增加了换热面积，加强了空气间的扰动，使换热更充分，换热效率更高；整个机组利用太阳供电单元供电，带动送风机、二次风机和循环水泵的运行，减小了机组的电耗，使得本实用新型立式高效间接蒸发冷却空调机组具有高效及节能的优点。The vertical high-efficiency indirect evaporative cooling air-conditioning unit of the utility model adopts a vertical arrangement form, the structure is more compact, and the horizontal area of the unit is reduced; the wave-jointed tube heat exchanger is used to increase the heat exchange area and strengthen the air gap. disturbance, so that the heat exchange is more sufficient and the heat exchange efficiency is higher; the whole unit is powered by the solar power supply unit to drive the operation of the blower fan, the secondary fan and the circulating water pump, which reduces the power consumption of the unit and makes the utility model vertical efficient indirect Evaporative cooling air conditioning units have the advantages of high efficiency and energy saving.
Claims (9)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650787A (en) * | 2016-02-25 | 2016-06-08 | 西安工程大学 | Solar heating and evaporative cooling combined air conditioner used in winter and summer |
| CN106839169A (en) * | 2017-01-24 | 2017-06-13 | 西安工程大学 | Underground storage case evaporates cooling channel air-conditioning in combination with enclosed handpiece Water Chilling Units |
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2015
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650787A (en) * | 2016-02-25 | 2016-06-08 | 西安工程大学 | Solar heating and evaporative cooling combined air conditioner used in winter and summer |
| CN105650787B (en) * | 2016-02-25 | 2018-09-28 | 西安工程大学 | Solar energy heating is the same as the cooling Winter-summer dual purpose air conditioner being combined of evaporation |
| CN106839169A (en) * | 2017-01-24 | 2017-06-13 | 西安工程大学 | Underground storage case evaporates cooling channel air-conditioning in combination with enclosed handpiece Water Chilling Units |
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