CN104654499A - Air conditioning system capable of combining dew point evaporative cooling and solar combined heat and power generation - Google Patents
Air conditioning system capable of combining dew point evaporative cooling and solar combined heat and power generation Download PDFInfo
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- CN104654499A CN104654499A CN201510041348.XA CN201510041348A CN104654499A CN 104654499 A CN104654499 A CN 104654499A CN 201510041348 A CN201510041348 A CN 201510041348A CN 104654499 A CN104654499 A CN 104654499A
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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
- F24F5/0007—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
- F24F5/0035—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 evaporation
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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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
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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
- 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
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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
- 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
- F24F2005/0067—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 with photovoltaic panels
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Abstract
Description
技术领域technical field
本发明属于空调设备技术领域,具体涉及一种露点蒸发冷却与太阳能热电联产结合的空调系统。The invention belongs to the technical field of air-conditioning equipment, and in particular relates to an air-conditioning system combining dew point evaporative cooling and solar heat and power cogeneration.
背景技术Background technique
一般光伏发电系统中采用的太阳能电池是敷设在平面上的单晶硅或者多晶硅,由于是板式结构,所以在使用时比较占空间;此外,该种结构的光伏发电系统具有不稳定性,容易受太阳能分布的地域限制。而近几年来新兴的薄膜太阳能电池由于具有可挠性,可以敷设在非平面结构上,能够灵活设置,应用较为广泛。Generally, the solar cells used in photovoltaic power generation systems are monocrystalline silicon or polycrystalline silicon laid on a plane. Because of the plate structure, they take up a lot of space when used; in addition, the photovoltaic power generation system with this structure is unstable and susceptible to damage. Geographical restrictions on solar distribution. In recent years, the emerging thin-film solar cells can be laid on non-planar structures due to their flexibility, which can be flexibly arranged and widely used.
众所周知,太阳能作为清洁能源使用时,光伏发电只是利用了太阳能中的很小一部分,大多数的太阳能主要以辐射热的形式散失掉。倘若把太阳能的辐射热通过某种手段加以利用,就可以最大限度的利用太阳能资源,更好的为我们的生活服务。As we all know, when solar energy is used as clean energy, photovoltaic power generation only utilizes a small part of solar energy, and most of the solar energy is mainly lost in the form of radiant heat. If the radiant heat of solar energy is utilized by some means, we can maximize the use of solar energy resources and better serve our lives.
露点蒸发冷却空调基于蒸发冷却技术,主要是利用干空气能,将室外空气的干湿球温差作为驱动势进行空气调节。露点蒸发冷却空调不仅结构紧凑,而且具有降温效果显著的特点;但是其排出的二次风温度较低,没有很好的利用,存在能量浪费现象。Dew-point evaporative cooling air conditioners are based on evaporative cooling technology, which mainly uses dry air energy and uses the temperature difference between dry and wet bulbs of outdoor air as the driving potential for air conditioning. The dew point evaporative cooling air conditioner is not only compact in structure, but also has the characteristics of remarkable cooling effect; but the temperature of the secondary air discharged by it is low, it is not well utilized, and there is a phenomenon of energy waste.
发明内容Contents of the invention
本发明的目的在于提供一种露点蒸发冷却与太阳能热电联产结合的空调系统,采用太阳能热电联产方式给露点蒸发冷却空调提供电能和热水,以最大化利用太阳能资源的同时,达到冬、夏两用效果。The purpose of the present invention is to provide an air-conditioning system combining dew point evaporative cooling and solar heat and power cogeneration, using solar heat and power cogeneration to provide electric energy and hot water for dew point evaporative cooling air conditioners, so as to maximize the use of solar resources and achieve winter, Summer dual-purpose effect.
本发明所采用的技术方案是,露点蒸发冷却与太阳能热电联产结合的空调系统,包括有太阳能热电联产系统,太阳能热电联产系统通过水管网与露点蒸发冷却空调机组、板式换热器、蓄热罐及地板辐射管连接。The technical scheme adopted in the present invention is that the air-conditioning system combining dew point evaporative cooling and solar cogeneration includes a solar cogeneration system, and the solar cogeneration system passes through the water pipe network and dew point evaporative cooling air conditioning unit, plate heat exchanger, Heat storage tank and floor radiant tube connections.
本发明的特点还在于:The present invention is also characterized in that:
太阳能热电联产系统的出水端通过热水管与板式换热器连接;板式换热器通过第一水管与蓄热罐连接;蓄热罐连接有第三水管,热水管通过第二水管与第三水管连通;The water outlet of the solar cogeneration system is connected to the plate heat exchanger through the hot water pipe; the plate heat exchanger is connected to the heat storage tank through the first water pipe; the heat storage tank is connected to the third water pipe, and the hot water pipe is connected to the heat storage tank through the second water pipe. The third water pipe is connected;
第三水管通过第四水管与露点蒸发冷却空调机组内的微通道换热器连接,微通道换热器通过第六水管与太阳能热电联产系统的进水管连接;The third water pipe is connected to the micro-channel heat exchanger in the dew point evaporative cooling air-conditioning unit through the fourth water pipe, and the micro-channel heat exchanger is connected to the water inlet pipe of the solar cogeneration system through the sixth water pipe;
第三水管还通过第五水管与地板辐射管的进水口连接,地板辐射管的出水口通过第七水管与回水管连接。The third water pipe is also connected to the water inlet of the floor radiant pipe through the fifth water pipe, and the water outlet of the floor radiant pipe is connected to the return water pipe through the seventh water pipe.
板式换热器上分别外接有淋浴喷头、市政给水管。The plate heat exchanger is respectively connected with a shower nozzle and a municipal water supply pipe.
太阳能热电联产系统包括太阳能热电联产单元和聚光板;太阳能热电联产单元通过固定支架与聚光板连接,太阳能热电联产单元支撑于支柱上。The solar cogeneration system includes a solar cogeneration unit and a concentrator; the solar cogeneration unit is connected to the concentrator through a fixed bracket, and the solar cogeneration unit is supported on a pillar.
太阳能热电联产单元,包括有多根首尾依次相接的金属圆管,每根金属圆管的外壁均包裹有薄膜太阳能电池,薄膜太阳能电池通过导线依次与供电控制单元、露点蒸发冷却空调机组连接;The solar heat and power cogeneration unit includes a plurality of metal round tubes connected end to end in sequence. The outer wall of each metal round tube is wrapped with a thin-film solar cell. The thin-film solar cell is connected to the power supply control unit and the dew point evaporative cooling air-conditioning unit in turn through wires. ;
每根金属圆管的管内沿金属圆管内壁设置有一圈低阻传热管;多根金属圆管内的低阻传热管之间通过软管连接。A circle of low-resistance heat transfer tubes is arranged inside each metal round tube along the inner wall of the metal round tube; the low-resistance heat transfer tubes in multiple metal round tubes are connected by flexible pipes.
供电控制单元由通过电源线连接在一起的控制器及高能蓄电池组成;The power supply control unit is composed of a controller and a high-energy storage battery connected together through a power line;
露点蒸发冷却空调机组,包括有机组壳体,机组壳体一侧壁上设置有进风口;机组壳体内设置有露点蒸发冷却单元,露点蒸发冷却单元的上方分别设置有挡水板和微通道换热器,挡水板和微通道换热器并排设置且连为一体;挡水板的上方设置有一次风机,微通道换热器的上方设置有二次风机;The dew-point evaporative cooling air-conditioning unit includes an organic unit shell, and an air inlet is arranged on the side wall of the unit shell; a dew-point evaporative cooling unit is arranged inside the unit shell, and a water baffle and a micro-channel switch are respectively arranged above the dew-point evaporative cooling unit. The heater, the water baffle and the micro-channel heat exchanger are arranged side by side and connected together; a primary fan is arranged above the water baffle, and a secondary fan is arranged above the micro-channel heat exchanger;
一次风机对应的机组壳体侧壁上设置有送风口,二次风机对应的机组壳体顶壁上设置有排风口;The side wall of the unit housing corresponding to the primary fan is provided with an air outlet, and the top wall of the unit housing corresponding to the secondary fan is provided with an air outlet;
一次风机和二次风机均通过电源线与控制器连接。Both the primary fan and the secondary fan are connected to the controller through the power line.
送风口与进风口相对设置。The air supply port is arranged opposite to the air inlet port.
进风口内设置有过滤网。A filter screen is arranged in the air inlet.
露点蒸发冷却单元,包括有管式换热芯体,管式换热芯体由多根水平设置的陶瓷椭圆管组成,管式换热芯体的表面按一次空气流动方向自下而上沿对角线设置有一排小孔;The dew point evaporative cooling unit includes a tubular heat exchange core. The tubular heat exchange core is composed of a number of ceramic oval tubes arranged horizontally. The surface of the tubular heat exchange core is from bottom to top along the direction of primary air flow. The corner line is provided with a row of small holes;
管式换热芯体的上方设置有布水器,布水器由布水管和均匀设置于布水管上多个面向管式换热芯体喷淋的喷头组成;A water distributor is arranged above the tubular heat exchange core, and the water distributor is composed of a water distribution pipe and a plurality of spray nozzles evenly arranged on the water distribution pipe facing the tubular heat exchange core;
管式换热芯体的下方设置有水池,水池通过供水管与布水管连接;位于水池内的供水管上设置有直流水泵a;直流水泵a通过电源线与控制器连接。A water pool is arranged below the tubular heat exchange core, and the water pool is connected to the water distribution pipe through a water supply pipe; a DC water pump a is arranged on the water supply pipe in the pool; the DC water pump a is connected to the controller through a power line.
热水管上设置有止回阀;A check valve is installed on the hot water pipe;
第三水管上设置有直流水泵b;The third water pipe is provided with a DC water pump b;
第四水管上设置有阀门a;The fourth water pipe is provided with a valve a;
第五水管上设置有阀门b。The fifth water pipe is provided with a valve b.
本发明的有益效果在于:The beneficial effects of the present invention are:
1)本发明的空调系统采用太阳能热电联产方式给露点蒸发冷却空调机组提供电能和热水,能以最大化利用太阳能资源,并通过聚光板汇聚太阳光,提高了太阳能的利用率。1) The air-conditioning system of the present invention adopts solar heat and power cogeneration to provide electric energy and hot water to the dew point evaporative cooling air-conditioning unit, which can maximize the utilization of solar energy resources, and gather sunlight through the concentrating plate to improve the utilization rate of solar energy.
2)本发明的空调系统内设置有板式换热器和蓄热罐,满足了各个季节的日常生活热水供给,还能将多余的热能储存起来以备冬季采暖使用,在各个季节最大化利用太阳能清洁能源。2) The air-conditioning system of the present invention is equipped with a plate heat exchanger and a heat storage tank, which meets the daily hot water supply in each season, and can also store excess heat energy for heating in winter, so as to maximize utilization in each season Solar clean energy.
3)本发明的空调系统在夏季使用时,利用露点蒸发冷却空调的二次风冷为热电联产中热能提取后的水进行降温,即采用微通道换热器作为二次风的挡水板,充分利用了二次风冷却系统的回水,提高了光伏发电效率。3) When the air conditioning system of the present invention is used in summer, the secondary air cooling of the dew point evaporative cooling air conditioner is used to cool down the water after heat energy extraction in cogeneration, that is, the microchannel heat exchanger is used as the water barrier of the secondary air , making full use of the return water of the secondary air cooling system, improving the efficiency of photovoltaic power generation.
4)本发明的空调系统在夏季使用时,利用露点蒸发冷却空调进行室内降温;在冬季使用时,利用太阳能热水和蓄热罐的能量进行地板辐射采暖;整个空调系统的电力运转部件均采用太阳能发出的直流电,清洁无污染,达到冬夏两用效果。4) When the air-conditioning system of the present invention is used in summer, the dew point evaporative cooling air conditioner is used for indoor cooling; when used in winter, the energy of solar hot water and heat storage tanks is used for floor radiation heating; The direct current generated by solar energy is clean and pollution-free, and can be used in both winter and summer.
附图说明Description of drawings
图1是本发明空调系统的结构示意图;Fig. 1 is the structural representation of air-conditioning system of the present invention;
图2是本发明空调系统内太阳能热电联产系统的侧视图;Fig. 2 is a side view of the solar cogeneration system in the air conditioning system of the present invention;
图3是本发明空调系统内太阳能热电联产系统的结构示意图;Fig. 3 is a schematic structural view of the solar cogeneration system in the air conditioning system of the present invention;
图4是本发明空调系统内太阳能热电联产系统与露点蒸发冷却空调机组的电路连接示意图。Fig. 4 is a schematic diagram of the circuit connection between the solar heat and power cogeneration system and the dew point evaporative cooling air conditioning unit in the air conditioning system of the present invention.
图中,1.聚光板,2.薄膜太阳能电池,3.露点蒸发冷却空调机组,4.板式换热器,5.蓄热罐,6.地板辐射管,7.低阻传热管,8.止回阀,9.阀门a,10.阀门b,11.微通道换热器,12.淋浴喷头,13.市政给水管,14.热水管,15.软管,16.支柱,17.固定支架,18.喷头,19.小孔,20.陶瓷椭圆管,21.过滤网,22.一次风机,23.二次风机,24.挡水板,25.水池,26.直流水泵a,27.导线,28.控制器,29.高能蓄电池,30.直流水泵b,31.金属圆管,32.进风口,33.送风口,34.排风口,35.布水管,36.供水管,37.进水管,G1.第一水管,G2.第二水管,G3.第三水管,G4.第四水管,G5.第五水管,G6.第六水管,G7.第七水管。In the figure, 1. Concentrating plate, 2. Thin film solar cell, 3. Dew point evaporative cooling air conditioning unit, 4. Plate heat exchanger, 5. Heat storage tank, 6. Floor radiant tube, 7. Low resistance heat transfer tube, 8 .Check valve, 9. Valve a, 10. Valve b, 11. Micro-channel heat exchanger, 12. Shower nozzle, 13. Municipal water supply pipe, 14. Hot water pipe, 15. Hoses, 16. Pillar, 17 .Fixed bracket, 18. Nozzle, 19. Small hole, 20. Ceramic oval tube, 21. Filter, 22. Primary fan, 23. Secondary fan, 24. Water baffle, 25. Pool, 26. DC water pump a . Water supply pipe, 37. water inlet pipe, G1. first water pipe, G2. second water pipe, G3. third water pipe, G4. fourth water pipe, G5. fifth water pipe, G6. sixth water pipe, G7. seventh water pipe.
具体实施方式Detailed ways
下面结合附图和具体实施方式对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
本发明露点蒸发冷却与太阳能热电联产结合的空调系统,其结构如图1所示,包括有太阳能热电联产系统,太阳能热电联产系统通过水管网与露点蒸发冷却空调机组3、板式换热器4、蓄热罐5及地板辐射管6连接。The air conditioning system combining dew point evaporative cooling and solar heat and power cogeneration of the present invention has a structure as shown in Figure 1, including a solar heat and power cogeneration system, and the solar heat and power cogeneration system passes through the water pipe network and the dew point evaporative cooling air conditioning unit 3. Plate heat exchange Device 4, heat storage tank 5 and floor radiant tube 6 are connected.
太阳能热电联产系统、露点蒸发冷却空调机组3、板式换热器4、蓄热罐5及地板辐射管6之间的水管网结构具体如下:The water pipe network structure between the solar cogeneration system, dew point evaporative cooling air conditioning unit 3, plate heat exchanger 4, heat storage tank 5 and floor radiant tube 6 is as follows:
太阳能热电联产系统的出水端通过热水管14与板式换热器4连接;板式换热器4通过第一水管G1与蓄热罐5连接;蓄热罐5连接有第三水管G3,热水管14通过第二水管G2与第三水管G3连接;第三水管G3通过第四水管G4与露点蒸发冷却空调机组3内的微通道换热器11连接,微通道换热器11通过第六水管G6与太阳能热电联产系统的进水管37连接;第三水管G3还通过第五水管G5与地板辐射管6的进水口连接,地板辐射管6的出水口通过第七水管G7与回水管37连接。The water outlet of the solar cogeneration system is connected to the plate heat exchanger 4 through the hot water pipe 14; the plate heat exchanger 4 is connected to the heat storage tank 5 through the first water pipe G1; the heat storage tank 5 is connected to the third water pipe G3, and the heat The water pipe 14 is connected to the third water pipe G3 through the second water pipe G2; the third water pipe G3 is connected to the microchannel heat exchanger 11 in the dew point evaporative cooling air conditioning unit 3 through the fourth water pipe G4, and the microchannel heat exchanger 11 passes through the sixth The water pipe G6 is connected to the water inlet pipe 37 of the solar cogeneration system; the third water pipe G3 is also connected to the water inlet of the floor radiant pipe 6 through the fifth water pipe G5, and the water outlet of the floor radiant pipe 6 is connected to the return water pipe 37 through the seventh water pipe G7 connect.
板式换热器4上分别外接有淋浴喷头12、市政给水管13。A shower nozzle 12 and a municipal water supply pipe 13 are externally connected to the plate heat exchanger 4 respectively.
热水管14上设置有止回阀8;第三水管G3上设置有直流水泵b30,直流水泵b30为整个系统提供动力,并为板式换热器4的生活热水使用提供循环动力;第四水管G4上设置有阀门a9;第五水管G5上设置有阀门b10。The hot water pipe 14 is provided with a check valve 8; the third water pipe G3 is provided with a DC water pump b30, which provides power for the entire system and provides circulation power for the domestic hot water of the plate heat exchanger 4; the fourth The water pipe G4 is provided with a valve a9; the fifth water pipe G5 is provided with a valve b10.
太阳能热电联产系统,如图1及图2所示,包括太阳能热电联产单元和聚光板1,太阳能热电联产单元通过固定支架17连接到聚光板1上,太阳能热电联产单元支撑于支柱16上。The solar cogeneration system, as shown in Figure 1 and Figure 2, includes a solar cogeneration unit and a concentrating panel 1, the solar cogeneration unit is connected to the concentrating panel 1 through a fixed bracket 17, and the solar cogeneration unit is supported on a pillar 16 on.
太阳能热电联产单元,其结构如图3所示,包括有多根首尾依次相接的金属圆管31,每根金属圆管31的外壁均包裹有薄膜太阳能电池2,薄膜太阳能电池2通过导线27依次与供电控制单元、露点蒸发冷却空调机组3内的耗电设备连接,如图4所示;每根金属圆管31的管内沿金属圆管31内壁设置有一圈低阻传热管7;多根金属圆管31内的低阻传热管7之间通过软管15连接。The solar heat and power cogeneration unit has a structure as shown in Figure 3, including a plurality of metal round tubes 31 connected end to end in sequence, and the outer wall of each metal round tube 31 is wrapped with a thin-film solar cell 2, and the thin-film solar cell 2 passes through a wire 27 is sequentially connected with the power supply control unit and the power consumption equipment in the dew point evaporative cooling air-conditioning unit 3, as shown in Figure 4; each metal round tube 31 is provided with a circle of low-resistance heat transfer tubes 7 along the inner wall of the metal round tube 31; The low-resistance heat transfer tubes 7 in the plurality of metal round tubes 31 are connected by hoses 15 .
供电控制单元由通过电源线连接在一起的控制器28及高能蓄电池29组成,如图4所示。The power supply control unit is composed of a controller 28 and a high-energy storage battery 29 connected together through a power line, as shown in FIG. 4 .
露点蒸发冷却空调机组3,其结构如图4所示,包括有机组壳体,机组壳体一侧壁上设置有进风口32,机组壳体内设置有露点蒸发冷却单元,露点蒸发冷却单元的上方设置有挡水板24和微通道换热器11,微通道换热器11位于进风侧,挡水板24和微通道换热器11并排设置且连为一体,挡水板24的上方设置有一次风机22,微通道换热器11的上方设置有二次风机23;一次风机22对应的机组壳体侧壁上设置有送风口33,送风口33与进风口32相对设置;二次风机23对应的机组壳体顶壁上设置有排风口34。The dew-point evaporative cooling air-conditioning unit 3 has a structure as shown in Figure 4. It includes an organic unit casing, an air inlet 32 is arranged on the side wall of the unit casing, and a dew-point evaporative cooling unit is arranged inside the unit casing. A water baffle 24 and a microchannel heat exchanger 11 are provided. The microchannel heat exchanger 11 is located on the air inlet side. The water baffle 24 and the microchannel heat exchanger 11 are arranged side by side and connected as one. There is a primary fan 22, and a secondary fan 23 is arranged above the microchannel heat exchanger 11; an air supply port 33 is arranged on the side wall of the unit housing corresponding to the primary fan 22, and the air supply port 33 is arranged opposite to the air inlet 32; the secondary fan 23 is provided with an air outlet 34 on the top wall of the casing of the unit.
进风口32内设置有过滤网21。A filter screen 21 is arranged in the air inlet 32 .
露点蒸发冷却单元,如图4所示,包括有管式换热芯体,管式换热芯体由多根水平设置的陶瓷椭圆管20组成,管式换热芯体的表面按一次空气流动方向自下而上沿对角线设置有一排小孔19;管式换热芯体的上方设置有布水器,布水器由布水管35和均匀设置于布水管35上多个面向管式换热芯体喷淋的喷头18组成;管式换热芯体的下方设置有水池25,水池25通过供水管与布水管35连接;位于水池25内的供水管36上设置有直流水泵a26。The dew point evaporative cooling unit, as shown in Figure 4, includes a tubular heat exchange core, which is composed of a plurality of ceramic elliptical tubes 20 arranged horizontally, and the surface of the tubular heat exchange core is controlled by primary air flow. A row of small holes 19 are arranged along the diagonal from bottom to top; a water distributor is arranged above the tubular heat exchange core, and the water distributor is composed of a water distribution pipe 35 and a plurality of water distribution pipes 35 that are evenly arranged on the water distribution pipe 35 facing the tubular heat exchanger. The heat core spray nozzle 18 is composed of; a pool 25 is arranged under the tubular heat exchange core, and the pool 25 is connected to the water distribution pipe 35 through a water supply pipe; the water supply pipe 36 in the pool 25 is provided with a DC water pump a26.
一次风机22、二次风机23及直流水泵a26均通过电源线与控制器28连接。The primary air blower 22 , the secondary air blower 23 and the DC water pump a26 are all connected to the controller 28 through power lines.
本发明露点蒸发冷却与太阳能热电联产结合的空调系统中各部件的作用:The role of each component in the air-conditioning system combined with dew point evaporative cooling and solar heat and power cogeneration of the present invention:
(1)太阳能热电联产系统:其核心部件是太阳能热电联产单元,太阳能热电联产单元通过固定支架17固定于聚光板1上,多个太阳能热电联产单元均通过支柱16固定于地面或者是其他部件上;(1) Solar cogeneration system: its core component is the solar cogeneration unit, the solar cogeneration unit is fixed on the concentrator panel 1 through the fixing bracket 17, and multiple solar cogeneration units are fixed on the ground or the ground through the pillar 16 is on other components;
其中的太阳能热电联产单元内设置有多根金属圆管31,在金属圆管31的外壁上包裹有薄膜太阳能电池2,薄膜太阳能电池2用于吸收太阳能;在金属圆管31的内壁一周均匀敷设多根低阻传热管7,多根金属圆管31内的低阻传热管7之间通过软管15连接起来,低阻传热管7中产生的热水流入热水管14内,经热水管14输送到其他部件内。Wherein the solar cogeneration unit is provided with a plurality of metal round tubes 31, and the outer wall of the metal round tube 31 is wrapped with a thin film solar cell 2, and the thin film solar cell 2 is used to absorb solar energy; A plurality of low-resistance heat transfer tubes 7 are laid, and the low-resistance heat transfer tubes 7 in the plurality of metal round tubes 31 are connected by flexible hoses 15, and the hot water generated in the low-resistance heat transfer tubes 7 flows into the hot water pipe 14 , delivered to other components through the hot water pipe 14.
(2)供电控制单元:与太阳能热电联产系统配合用于辅助为露点蒸发冷却空调机组3内的耗电部件供电(如:直流水泵a26、一次风机22及二次风机23);(2) Power supply control unit: cooperate with the solar heat and power cogeneration system to assist in supplying power to the power consumption components in the dew point evaporative cooling air conditioning unit 3 (such as: DC water pump a26, primary fan 22 and secondary fan 23);
供电控制单元由通过电源线连接在一起的控制器28及高能蓄电池29组成;为了节省占地面积,可以将控制器28和高能量蓄电池29敷设在露点蒸发冷却空调机组3的上部;The power supply control unit is composed of a controller 28 and a high-energy battery 29 connected together through a power line; in order to save floor space, the controller 28 and the high-energy battery 29 can be laid on the top of the dew point evaporative cooling air conditioning unit 3;
由薄膜太阳电池2产生的直流电经导线27接入供电控制单元内的控制器28内,将电能提供给露点蒸发冷却空调机组3内的耗能部件;多余的电能存储于高能蓄电池29中。The direct current generated by the thin-film solar cell 2 is connected to the controller 28 in the power supply control unit through the wire 27, and provides electric energy to the energy-consuming components in the dew point evaporative cooling air-conditioning unit 3; the excess electric energy is stored in the high-energy battery 29.
(3)露点蒸发冷却空调机组3:用于对室外空气进行降温;(3) Dew point evaporative cooling air conditioning unit 3: used to cool the outdoor air;
室外空气经进风口32进入机组壳体内,室外空气在进风口32处经过滤网21过滤,过滤后的空气流经露点蒸发冷却单元处,在露点蒸发冷却单元内的管式换热芯体处,空气从陶瓷椭圆管20上的小孔19流出先后进入二次流道和一次流道分别变成二次风、一次风;The outdoor air enters the unit casing through the air inlet 32, and the outdoor air is filtered by the filter 21 at the air inlet 32, and the filtered air flows through the dew point evaporative cooling unit, where the tubular heat exchange core in the dew point evaporative cooling unit , the air flows out from the small hole 19 on the ceramic oval tube 20 and enters the secondary flow path and the primary flow path to become secondary air and primary air respectively;
微通道换热器11在这里用作二次风的挡水板。The microchannel heat exchanger 11 is used here as a water barrier for the secondary air.
(4)板式换热器4:用于加热市政供水,为市民直接提供生活热水。(4) Plate heat exchanger 4: used to heat municipal water supply and directly provide domestic hot water for citizens.
(5)蓄热罐5:用于续存多余的热能,以便于在热能不充足时直接使用热能。(5) Heat storage tank 5: used to continuously store excess heat energy, so that the heat energy can be used directly when the heat energy is not sufficient.
(6)地板辐射管6:设置于室内地板下,用于在冬季为室内供热。(6) Floor radiant tube 6: installed under the floor of the room for heating the room in winter.
本发明露点蒸发冷却与太阳能热电联产结合的空调系统在冬夏的工作过程分别如下:The working process of the air-conditioning system combined with dew point evaporative cooling and solar heat and power cogeneration of the present invention in winter and summer is as follows respectively:
(1)在夏季使用时打开阀门a9,关闭阀门b10:(1) Open valve a9 and close valve b10 when using in summer:
通过聚光板1汇聚太阳光,敷设在金属圆管31外壁上的薄膜太阳能电池2接收汇聚的太阳光产生直流电,通过导线27引入供电控制单元内的控制器28,多余的电能储存在高能蓄电池29中备用;Concentrate sunlight through the concentrating plate 1, and the thin-film solar cell 2 laid on the outer wall of the metal circular tube 31 receives the concentrated sunlight to generate direct current, which is introduced into the controller 28 in the power supply control unit through the wire 27, and the excess electric energy is stored in the high-energy battery 29 in standby;
同时,太阳能热电联产单元也接收聚光板1汇聚太阳光的照射产生辐射热,加热低阻传热管7中的水,通过低阻传热管7将产生的热能带至板式换热器4,由板式换热器4加热市政给水管13内的市政给水,以便于能供给人们生活用的热水;At the same time, the solar heat and power cogeneration unit also receives the sunlight concentrated by the concentrating panel 1 to generate radiant heat, heats the water in the low-resistance heat transfer tube 7, and brings the generated heat energy to the plate heat exchanger 4 through the low-resistance heat transfer tube 7 , the municipal water supply in the municipal water supply pipe 13 is heated by the plate heat exchanger 4, so as to supply hot water for people's daily life;
多余的热能被储存在蓄热罐5中(由蓄热罐5内的储能介质吸收储存起来),然后变成温度较低的水,再进入露点蒸发冷却空调机组3内的微通道换热器11中进一步冷却,最后依次通过第六水管G6、第七水管G7的输送回到低热阻传热管7中,进行下一个循环,继续带走太阳能热电联产系统中产生的热量。The excess heat energy is stored in the heat storage tank 5 (absorbed and stored by the energy storage medium in the heat storage tank 5), then becomes water with a lower temperature, and then enters the microchannel heat exchange in the dew point evaporative cooling air conditioning unit 3 It is further cooled in the device 11, and finally returned to the low thermal resistance heat transfer tube 7 through the sixth water pipe G6 and the seventh water pipe G7 in order to carry out the next cycle and continue to take away the heat generated in the solar cogeneration system.
其中,露点蒸发冷却空调机组3的工作过程具体如下:Wherein, the working process of the dew point evaporative cooling air conditioning unit 3 is as follows:
通过一次风机22和二次风机23的运转,外界空气经进风口32进入的同时由过滤网21进行过滤,室外空气经过滤后进入陶瓷椭圆管20中,部分空气通过小孔19流出后进入二次流道,在陶瓷椭圆管20外表面与喷头18喷淋下来的水滴进行蒸发冷却降温预冷陶瓷椭圆管20内剩余的空气,最后经微通道换热器11处理之后,在二次风机23作用下由排风口34排出;同时,陶瓷椭圆管20内剩余空气经小孔19流出进入一次流道,进行等焓降温进一步降温,然后经挡水板24过滤掉多余的水份后,在一次风机22的作用下经送风口33送入降温场所。Through the operation of the primary fan 22 and the secondary fan 23, the external air enters through the air inlet 32 and is filtered by the filter screen 21 at the same time. In the secondary flow channel, the water droplets sprayed on the outer surface of the ceramic elliptical tube 20 and the nozzle 18 are evaporatively cooled and cooled to pre-cool the remaining air in the ceramic elliptical tube 20. Under the action, it is discharged from the air outlet 34; at the same time, the remaining air in the ceramic oval tube 20 flows out through the small hole 19 and enters the primary flow channel for isenthalpic cooling to further cool down, and then the excess water is filtered through the water baffle 24, and then Under the effect of the primary blower fan 22, it is sent into the cooling place through the air supply port 33.
(2)在冬季使用时,关闭阀门a9,打开阀门b10:(2) When using in winter, close the valve a9 and open the valve b10:
利用太阳能热电联产系统产生热水,热水沿着热水管14流入板式换热器4内,经板式换热器4处理后的热水再沿着第一水管G1进入蓄热罐5中,经蓄热罐5流出后的热水继续沿着第三水管G3流入第五水管G5,最后为地板辐射管6提供较高温度的水,达到采暖的目的。The hot water is generated by the solar heat and power cogeneration system, the hot water flows into the plate heat exchanger 4 along the hot water pipe 14, and the hot water treated by the plate heat exchanger 4 enters the heat storage tank 5 along the first water pipe G1 , the hot water flowing out of the thermal storage tank 5 continues to flow into the fifth water pipe G5 along the third water pipe G3, and finally provides higher temperature water for the floor radiant pipe 6 to achieve the purpose of heating.
当阴天或者夜晚时,太阳能热电联产系统无法提供足够的热能,通过蓄热罐5中储存的热能供暖。When it is cloudy or at night, the solar cogeneration system cannot provide enough heat energy, and the heat energy stored in the thermal storage tank 5 is used for heating.
本发明露点蒸发冷却与太阳能热电联产结合的空调系统内设置有核心部件太阳能热电联产系统和露点蒸发冷却空调机组3,并配合设置有板式换热器4、蓄热罐5及地板辐射管6。其中,在太阳能热电联产系统中通过聚光板1汇聚太阳能,提高了太阳能的利用率,同时通过在金属圆管31内部设置低阻传热管7及时带走太阳辐射热。在露点蒸发冷却空调机组3中设置有露点蒸发冷却单元和微通道换热器11,不仅能有效降低空气温度,还利用了二次风的能量。利用蓄热罐5储存热能,通过设置板式换热器4保证了一年四季使用太阳能热水;利用蓄热罐5与地板辐射管6结合保证了热能的持续稳定供应。The air conditioning system combining dew point evaporative cooling and solar heat and power cogeneration of the present invention is provided with a core component solar heat and power cogeneration system and dew point evaporative cooling air conditioning unit 3, and is equipped with a plate heat exchanger 4, a heat storage tank 5 and a floor radiant tube 6. Among them, in the solar heat and power cogeneration system, the solar energy is collected by the concentrating plate 1, which improves the utilization rate of the solar energy, and at the same time, the solar radiation heat is taken away in time by setting the low-resistance heat transfer tube 7 inside the metal circular tube 31 . The dew point evaporative cooling air conditioning unit 3 is provided with a dew point evaporative cooling unit and a micro-channel heat exchanger 11, which not only can effectively reduce the air temperature, but also utilize the energy of the secondary air. The heat storage tank 5 is used to store heat energy, and the use of solar hot water is guaranteed throughout the year by setting the plate heat exchanger 4; the combination of the heat storage tank 5 and the floor radiant tube 6 ensures continuous and stable supply of heat energy.
本发明露点蒸发冷却与太阳能热电联产结合的空调系统利用清洁能源太阳能,通过特殊的结构设计保证了太阳能热电产生,同时与露点蒸发冷却结合防止了能量浪费,解决了冬夏的供暖、制冷问题。The air-conditioning system combined with dew point evaporative cooling and solar heat and power cogeneration of the present invention utilizes clean energy solar energy, ensures solar thermal power generation through a special structural design, and at the same time combines with dew point evaporative cooling to prevent energy waste and solves the heating and cooling problems in winter and summer.
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