WO2014201973A1 - 一种节能水冷空调 - Google Patents

一种节能水冷空调 Download PDF

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Publication number
WO2014201973A1
WO2014201973A1 PCT/CN2014/079829 CN2014079829W WO2014201973A1 WO 2014201973 A1 WO2014201973 A1 WO 2014201973A1 CN 2014079829 W CN2014079829 W CN 2014079829W WO 2014201973 A1 WO2014201973 A1 WO 2014201973A1
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Prior art keywords
water
cooling
cooling water
tank
heat exchanger
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PCT/CN2014/079829
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English (en)
French (fr)
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周哲明
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Individual
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/13—Pump speed control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21173—Temperatures of an evaporator of the fluid cooled by the evaporator at the outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/006—Cooling of compressor or motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to an air conditioning system, and belongs to the technical field of air conditioners, and also belongs to the field of new energy or renewable energy technologies. Background technique
  • the advantages of the current semiconductor air conditioner are that the cooling and heating speed is fast, and it is easy to control and adjust the temperature.
  • the disadvantage is that the cooling efficiency is low in response to a large cooling capacity, and is not suitable for use as an ordinary building air conditioner.
  • ground source heat pumps have their unique advantages in the field of air conditioning.
  • the ground source heat pump system buryes the cooling water pipe deep underground or surface water, and exchanges heat with underground soil. It is well known that the temperature of soil, seawater and groundwater below 2 ⁇ 3 meters underground is basically constant throughout the year, and it is always maintained at 13 °C ⁇ 19 °C, which is very close to the most comfortable ambient temperature of the human body 20 °C ⁇ 28 °C; Limited by geography, resources, etc., it can be said that it is inexhaustible. The disadvantage is that it is not flexible to install and use and cannot be used directly in air conditioning terminals.
  • the present invention provides an energy-saving water-cooled air conditioner, which uses a water-cooled heat exchanger to exchange heat with an external cooling water system such as a ground source heat pump and a cooling tower, and uses a semiconductor refrigeration component. And an additional compressor refrigeration unit adjusts the water temperature of the cooling water of the air conditioning terminal. Additional compressor refrigeration components, outdoor cooling water tanks, and fans allow the energy-efficient water-cooled air conditioner to operate normally if the external cooling water system is not available or is ineffective.
  • An energy-saving water-cooled air conditioner includes a refrigeration system, an indoor heat exchange system, an outdoor heat exchange system, a cooling water circulation system, and a control system.
  • the refrigeration system is mainly composed of a semiconductor refrigeration component and an additional compressor refrigeration component;
  • the indoor heat exchange system is mainly composed of a heat dissipation water tank and a fan;
  • the outdoor heat exchange system is mainly composed of a water-cooled heat exchanger, a heat dissipation water tank and a fan;
  • the cooling water circulation system includes an inner circulation
  • the internal circulation system is composed of a water tank, a water storage tank, a water pump, a refrigeration system, an indoor heat exchange system, and an outdoor heat exchange system, and the external circulation system is connected by an external cooling water system, a water pump, and an outdoor heat exchange system.
  • the water-cooled heat exchangers are connected together.
  • the external cooling water system is an energy-saving water-cooling system such as a ground source heat pump and a cooling tower, and the water-cooling heat exchanger between the inner circulation system and the outer circulation system passes through the outdoor heat exchanger;
  • the control system mainly By temperature sensor, It consists of a flow sensor, a speed controller and a refrigeration controller.
  • the semiconductor refrigeration component of the refrigeration system includes a chilled water cooled plate, a hot water absorbing cold plate, and a semiconductor refrigeration chip set.
  • the refrigerating end of the semiconductor refrigeration chip group is in contact with the chilled water cooling plate, and the heating end of the semiconductor refrigerating chip group is in contact with the hot water absorbing plate.
  • Additional compressor refrigeration components of the refrigeration system include a compressor, a condenser, an evaporator, a throttle, a chilled water tank, and a hot water tank.
  • the evaporator is installed in a chilled water tank
  • the condenser is installed in the hot water tank to exchange heat with the cooling water flowing through the chilled water tank and the heat absorbing tank.
  • the semiconductor refrigeration unit operates to adjust the water temperature of the cooling water of the air conditioning terminal, and the additional compressor refrigeration unit does not operate.
  • the additional compressor refrigeration unit is started to improve the cooling and heating efficiency and reduce the energy consumption.
  • the indoor heat exchange system is mainly composed of a heat dissipation water tank and a fan, and the fan blows the wind to the heat dissipation water tank to cool or heat the indoor air.
  • the water-cooled heat exchanger of the outdoor heat exchange system is a place where the internal circulation system of the cooling water circulation system is connected to the external circulation system, and the cooling water in the internal circulation system absorbs the cooling amount or heat of the external cooling water therein.
  • the water temperature in the circulation pipe is close to the water temperature of the external cooling water. If the external cooling water system is a ground source heat pump, the cooling water can get the ideal temperature of 13 °C ⁇ 19 °C, which is almost the same as the most comfortable environment temperature of the human body 20 °C ⁇ 28 °C, then the inner circulation system after heat exchange
  • the water temperature of the cooling water can basically meet the needs of indoor refrigeration and heating, or the semiconductor refrigeration components can do a small amount of work to meet the needs of indoor refrigeration and heating.
  • the fan of the outdoor heat exchange system does not work.
  • the fan of the outdoor heat exchange system is activated when the temperature of the input cooling water of the heat dissipation water tank of the outdoor heat exchange system is higher than or lower than the air temperature during heating due to the failure or ineffectiveness of the external cooling water system.
  • the cooling water flowing through the heat-dissipating water tank exchanges heat with the air, so that the temperature of the cooling water tank output cooling water is as close as possible to the air temperature.
  • An optimized structure of the internal circulation system of the cooling water circulation system is: the cooling water is driven by the water pump, flows out from the water storage tank, and then flows to the suction water tank, the hot water tank and the hot water absorption cold plate in three ways; The cooling water tank, the cold water cooling plate, the heat exchanger water tank of the indoor heat exchanger, and then flow to the inner circulation pipe of the water cooling heat exchanger; the other two paths respectively flow from the hot water tank and the hot water suction cold plate to the inner circulation pipe of the water cooling heat exchanger Then flow from the inner circulation pipe of the water-cooled heat exchanger to the heat-dissipating water tank of the outdoor heat exchanger; then flow back to the water storage tank.
  • An optimized structure of the external circulation system of the cooling water circulation system is:
  • the cooling water is driven by the water pump, flows from the external cooling water system to the outer circulation pipe of the water-cooled heat exchanger, and then flows back to the external cooling water system;
  • the external cooling water system includes the cold water pipe And the hot water pipe, the cooling water flows from the cold water pipe to the hot water pipe during cooling, and the cooling water flows from the hot water pipe to the cold water pipe when heating.
  • the generated hot water and cold water can be utilized by the other party.
  • the cooling water in the inner circulation system uses a non-toxic antifreeze to meet environmental and low temperature environmental requirements.
  • the temperature sensor of the control system is installed in the cooling water tank of the cooling water circulation system, the suction water tank, the cold water cooling plate, the hot water absorption cold plate, the heat dissipation water tank of the indoor heat exchanger, the inner circulation pipe of the water cooling heat exchanger, and the water cooling
  • the outer water circulation pipe of the heat exchanger and the cooling water input end and the output end of the heat dissipation water tank of the outdoor heat exchanger are used to collect the cooling water temperature of each node.
  • the temperature sensor of the control system is also installed near the intake and exhaust sides of the cooling water tanks of the indoor and outdoor heat exchange systems to collect the air temperature at each node.
  • the flow sensor of the control system is installed on the water pump of the cooling water circulation system for collecting the flow rate of the cooling water.
  • the speed controller of the control system is used to control the speed of the water pump and the fan.
  • the refrigeration controller of the control system is used to control the cooling and heating of the semiconductor refrigeration component and the additional compressor refrigeration component [0019]
  • the main control logics are:
  • the temperature difference is larger, and the temperature of the fan of the water pump and the indoor heat exchange system is larger, and the temperature difference is Stop rotating when negative.
  • the fan of the indoor heat exchange system adjusts the speed according to the target air volume.
  • the cooling water flow rate of the internal circulation system of the cooling water circulation system is less than the target flow rate, it may indicate that leakage or pipeline blockage may occur, and the energy-saving water-cooled air conditioner stops working; when the cooling water input temperature of the outer circulation pipe of the water-cooled heat exchanger When the cooling is higher than or lower than the cooling water input temperature of the inner circulation pipeline during heating, or the cooling water flow of the outer circulation system is smaller than the target flow, the external cooling water system may be invalid or not, and the external circulation system pump stop working.
  • the additional compressor refrigerating unit Work, the greater the temperature difference, the greater the cooling and heating capacity of the additional compressor refrigeration components, and the additional compressor refrigeration components stop working when the temperature difference is negative.
  • the cooling water output temperature of the chilled water tank of the additional compressor refrigeration unit is brought to the target cooling water output temperature of the refrigeration system.
  • the semiconductor refrigeration component When the cooling water input temperature of the chilled water-cooled plate of the semiconductor refrigeration component is higher than or lower than the target cooling water output temperature of the refrigeration system during cooling, the semiconductor refrigeration component operates, and the temperature difference is larger, and the additional semiconductor refrigeration component is The larger the cooling heat is, the lower the temperature difference is, the semiconductor refrigeration unit stops working, and the cooling water output temperature of the cold water-cooling plate of the semiconductor refrigeration unit reaches the target cooling water output temperature of the refrigeration system.
  • the energy-saving water-cooled air conditioner of the present invention uses a water-cooled heat exchanger to exchange heat with an external cooling water system such as a ground source heat pump and a cooling tower, so that the water temperature of the cooling water of the air-conditioning terminal can basically satisfy the indoor refrigeration system.
  • the demand for heat, or a small amount of work of the semiconductor refrigeration unit and the additional compressor refrigeration unit can meet the needs of indoor refrigeration and heating;
  • ground-source heat pump air conditioners are energy-saving and cannot be popularized because of the large investment in the early stage, the investment entities are generally units, and the ordinary building air-conditioning of compressor refrigeration It is expensive and common because the investment in the early stage is small and can be afforded by ordinary household users.
  • the energy-saving water-cooled air conditioner of the present invention can be popularized due to small investment and energy saving potential, and then attracts units and communities to establish a ground source heat pump.
  • ground source heat pumps to ordinary home users Reduce total energy consumption of social conditioning.
  • the energy-saving water-cooled air conditioner of the invention has the advantages of energy saving, less noise pollution, convenient installation, flexible use and convenient promotion and application.
  • FIG. 1 is a schematic structural view of an energy-saving water-cooled air conditioner according to the present invention.
  • refrigeration system 11. semiconductor refrigeration component, 111. semiconductor refrigeration chip set, 1111. refrigeration end, 1112. heating end, 112. suction cold water plate, 113. hot water cold plate, 12 Additional compressor refrigeration unit, 121. compressor, 122. condenser, 123. evaporator, 124. throttling device, 125. suction water tank, 126. hot water tank, 2. indoor heat exchange system, 21. heat dissipation Water tank, 22. Fan, 3. Outdoor heat exchange system, 31. Water-cooled heat exchanger, 311. Internal circulation pipeline, 312. External circulation pipeline, 4. Cooling water circulation system, 41. Internal circulation system, 411. Water pipe, 412. Water storage tank, 413. Water pump, 42. External circulation system, 5. Control system, 51.
  • Temperature sensor 52. Flow sensor, 53. Speed controller, 54. Refrigeration controller, 55. Cooling water input, 56. The output end of the cooling water, 57. the intake side of the radiator tank, 58. the outlet side of the radiator tank, 6. the external cooling water system, 61. the cold water pipe, 62. the hot water pipe.
  • an embodiment of the present invention is an energy-saving water-cooled air conditioner.
  • An energy-saving water-cooled air conditioner comprising a refrigeration system 1, an indoor heat exchange system 2, an outdoor heat exchange system 3, a cooling water circulation system 4, and a control system 5.
  • the refrigeration system 1 is mainly composed of a semiconductor refrigeration component 11 and an additional compressor refrigeration component 12;
  • the indoor heat exchange system 2 is mainly composed of a heat dissipation water tank 21 and a fan 22;
  • the outdoor heat exchange system 3 is mainly composed of a water-cooled heat exchanger 31, a heat dissipation water tank 21, and
  • the cooling water circulation system 4 includes an internal circulation system 41 and an external circulation system 42.
  • the internal circulation system 41 connects the water storage tank 412, the water pump 413, the refrigeration system 1, the indoor heat exchange system 2, and the outdoor heat exchange system 3 by a water pipe 411.
  • the external circulation system 42 is composed of a water pipe 411 connecting the external cooling water system 6, the water pump 413 and the water-cooling heat exchanger 31 of the outdoor heat exchange system, and the external cooling water system 6 is an energy-saving water cooling system such as a ground source heat pump and a cooling tower.
  • the inner circulation system 41 and the outer circulation system 42 exchange heat through the water-cooled heat exchanger 31 of the outdoor heat exchanger;
  • the control system 5 is mainly composed of a temperature sensor 51, a flow sensor 52, a rotational speed controller 53, and a refrigeration controller 54. .
  • the semiconductor refrigeration unit 11 of the refrigeration system 1 includes a semiconductor refrigeration fin group 111, a chilled water cooling plate 112, and a hot water absorbing plate 113.
  • the refrigerating end 1111 of the semiconductor refrigerating sheet group 111 is in contact with the chilled water cooling plate 112, and the heating end 1112 of the semiconductor refrigerating sheet group 111 is in contact with the hot water absorbing plate 113.
  • the additional compressor refrigeration unit 12 of the refrigeration system 1 includes a compressor 121, a condenser 122, an evaporator 123, a throttle device 124, a chilled water tank 125, and a hot water tank 126.
  • the evaporator 123 is installed in the chilling water tank 125
  • the condenser 122 is installed in the hot water absorbing tank 126 to exchange heat with the cooling water flowing through the chilling water tank 125 and the hot water absorbing tank 126.
  • the semiconductor refrigeration unit 11 operates to adjust the water temperature of the air-conditioning terminal cooling water, and the additional compressor refrigeration unit 12 does not operate.
  • the additional compressor refrigeration unit 12 is activated to improve the cooling and heating efficiency and reduce the energy consumption.
  • the indoor heat exchange system 2 is mainly composed of a heat dissipation water tank 21 and a fan 22, and the fan 22 blows the wind toward the heat dissipation water tank 21 to cool or heat the indoor air.
  • the water-cooled heat exchanger 31 of the outdoor heat exchange system 3 is an internal circulation system 41 of the cooling water circulation system 4 and an external circulation system
  • the cooling water in the internal circulation system 41 absorbs the cooling or heat of the external cooling water, so that the temperature of the water in the inner circulation pipe 311 is close to the water temperature of the external cooling water.
  • the external cooling water system 6 is a ground source heat pump
  • the cooling water can obtain an ideal temperature of 13 ° C ⁇ 19 ° C, which is almost the same as the most comfortable ambient temperature of the human body 20 ° C ⁇ 28 ° C, then the inner circulation after heat exchange
  • the water temperature of the cooling water in the system 41 can basically satisfy the demand of the air conditioning terminal, or the semiconductor refrigeration unit 11 can perform the work of the air conditioning terminal with a small amount of work.
  • the fan 22 of the outdoor heat exchange system 3 does not operate. Because the external cooling water system 6 is not provided or is invalid, the temperature of the input cooling water of the heat dissipation water tank 21 of the outdoor heat exchange system 3 is higher than or lower than the air temperature when heating, the outdoor heat exchange system 3 The fan 22 is activated to exchange heat between the cooling water flowing through the cooling water tank 21 and the air. The temperature at which the cooling water tank 21 outputs the cooling water is as close as possible to the air temperature.
  • An optimized structure of the inner circulation system 41 of the cooling water circulation system 4 is: the cooling water is driven by the water pump 413, flows out of the water storage tank 412, and then flows in three directions to the suction water tank 125, the hot water tank 126, and the hot water suction tank.
  • the plate 113; - the road sequentially flows through the suction water tank 125, the suction cold water plate 112, the heat dissipation water tank 21 of the indoor heat exchanger 2, and then flows to the inner circulation pipe 311 of the water-cooling heat exchanger 31; the other two paths respectively from the suction water tank 126 and the hot water absorption cold plate 113 flow to the inner circulation pipe 311 of the water-cooling heat exchanger 31; then flow from the inner circulation pipe 311 of the water-cooling heat exchanger 31 to the heat dissipation water tank 21 of the outdoor heat exchanger 3; then flow back to the water storage tank 412;
  • An optimized structure of the outer circulation system 42 of the water circulation system 4 is that the cooling water is driven by the water pump 413, flows from the external cooling water system 6 to the outer circulation pipe 312 of the water-cooling heat exchanger 31, and then flows back to the external cooling water system 6;
  • the cooling water system 6 includes a cold water pipe 61 and a hot water pipe 62. The cooling water flows
  • the cooling water in the inner circulation system 41 uses a non-toxic antifreeze to meet environmental and low temperature environmental requirements.
  • the temperature sensor 51 of the control system 5 is installed in the chilling water tank 125, the hot water absorbing tank 126, the chilled water cooling plate 112, the hot water absorbing plate 113, the heat dissipating water tank 21 of the indoor heat exchanger 2, and the water cooling heat exchanger 31.
  • the inner circulation duct 311, the outer circulation duct 312 of the water-cooling heat exchanger 31, and the cooling water input end 55 and the output end 56 of the heat dissipating water tank 21 of the outdoor heat exchanger 3 are used to collect the cooling water temperature of each node.
  • the temperature sensor 51 of the control system 5 is also installed in the vicinity of the intake side 57 and the outlet side 58 of the indoor heat exchange system 2 and the outdoor heat exchange system 3 for collecting the air temperature of each node.
  • the flow sensor 52 of the control system 5 is mounted on the water pump 413 of the cooling water circulation system 4 for collecting the flow rate of the cooling water.
  • the rotational speed controller 53 of the control system 5 is used to control the rotational speed of the water pump 413 and the fan 22.
  • the refrigeration controller 54 of the control system 5 is used to control the cooling and heating of the semiconductor refrigeration unit 11 and the additional compressor refrigeration unit 12.
  • the main control logic is:
  • the temperature difference is larger, the water pump 413 and the fan 22 of the indoor heat exchange system 2 The greater the rotational speed, the rotation stops when the temperature difference is negative; or the fan 22 of the indoor heat exchange system 2 adjusts the rotational speed according to the target air volume.
  • the cooling water flow rate of the inner circulation system 41 is smaller than the target flow rate, it may indicate that a leak or a pipe blockage may occur, and the energy-saving water-cooled air conditioner stops working; when the cooling water input temperature of the outer circulation pipe 312 of the water-cooling heat exchanger 31 When the cooling is higher than or lower than the cooling water input temperature of the inner circulation pipe 311 during heating, or the cooling water flow of the outer circulation system 42 is smaller than the target flow rate, the external cooling water system 6 may be invalid or not, and the outer circulation The water pump 413 of the system 42 is stopped.
  • the semiconductor refrigerating part 11 When the cooling water input temperature of the chilled water-cooling plate 112 of the semiconductor refrigerating part 11 is higher than or lower than the target cooling water output temperature of the refrigerating system 1 at the time of cooling, the semiconductor refrigerating part 11 operates, and the temperature difference is larger, the semiconductor The cooling and heating amount of the refrigerating member 11 is larger, and when the temperature difference is negative, the semiconductor refrigerating unit 11 is stopped, and the cooling water output temperature of the chilled water cooling plate 112 reaches the target cooling water output temperature of the refrigerating system 1.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

一种节能水冷空调，包含制冷系统（1）、室内换热系统（2）、室外换热系统（3）、冷却水循环系统（4）和控制系统（5）；所述制冷系统（1）主要由半导体制冷部件（11）和附加压缩机制冷部件（12）组成；所述室内换热系统（2）主要由散热水箱（21）和风扇（22）组成；所述室外换热系统（3）主要由水冷换热器（31）、散热水箱（21）和风扇（22）组成；所述冷却水循环系统（4）包含内循环系统（41）和外循环系统（42），所述内循环系统（41）由水管（41）将储水箱（412）、水泵（413）、制冷系统（1）、所述室内换热系统（2）和所述室外换热系统（3）连接起来组成，所述外循环系统（42）由水管（411）将外部冷却水系统（6）、水泵（413）和室外换热系统（3）的水冷换热器（31）连接起来组成，所述内循环系统（41）与所述外循环系统（42）之间通过所述室外换热系统的水冷换热器（31）换热。使用水冷换热器（31）与地源热泵等外部冷却水系统换热，使空调终端冷却水的水温可以直接满足室内制冷制热的需求，或者半导体制冷部件（11）和附加压缩机制冷部件（12）少量做功就可以满足室内制冷制热的需求。

Description

一种节能水冷空调 技术领域
[0001] 本发明涉及一种空调系统，属于空调技术领域，也属于新能源或可再生能源技术领域。 背景技术
[0002] 目前普通建筑空调普遍采用压缩机制冷技术， 其优点是安装方便， 使用灵活， 其缺点 是能耗高。 据国家相关部门统计： 在我国， 目前建筑能耗约占全社会总能耗的 1/3， 其中空调 占 50%以上。
[0003] 目前的半导体空调的优点是， 制冷制热速度快， 易于控制和调节温度， 其缺点是应对 大制冷量的情况下制冷效率低， 不适合作为普通建筑空调使用。
[0004] 目前新能源、 可再生能源的发展日益得到人们的重视， 其中地源热泵在空调领域有其 独到的优势。 地源热泵系统是把冷却水管道埋入地下深处或地表水等处， 通过与地下土壤等 进行热量交换。 众所周知， 地下 2~3米以下的土壤、 海水、 地下水温度常年基本恒定， 始终 保持在 13 °C~19°C， 与人体最舒适的环境温度 20°C~28°C非常接近； 而且它不受地域、 资源等 限制， 可谓取之不尽用之不竭。 其缺点是安装和使用不灵活， 不能直接用于空调终端。
发明内容
[00051 为解决现有技术中普通建筑空调能耗高的问题， 本发明提供一种节能水冷空调， 使用 水冷换热器与地源热泵、 冷却塔等外部冷却水系统换热， 使用半导体制冷部件和附加压缩机 制冷部件调节空调终端冷却水的水温。 附加压缩机制冷部件、 室外散热水箱和风扇等部件使 节能水冷空调能够在外部冷却水系统不具备或者无效的情况下正常工作。 这样既利用了地源 热泵、冷却塔等水冷系统的节能优点， 又利用了半导体空调技术的制冷制热速度快、无噪音、 易于控制和调节温度的优点， 还利用了压缩机制冷技术的安装方便、 使用灵活的优点。
[0006] 本发明解决其技术问题所采用的技术方案是：
一种节能水冷空调， 包含制冷系统、 室内换热系统、 室外换热系统、 冷却水循环系统和控制 系统。 制冷系统主要由半导体制冷部件和附加压缩机制冷部件组成； 室内换热系统主要由散 热水箱和风扇组成； 室外换热系统主要由水冷换热器、 散热水箱和风扇组成； 冷却水循环系 统包含内循环系统和外循环系统， 内循环系统由水管将储水箱、 水泵、 制冷系统、 室内换热 系统、 室外换热系统连接起来组成， 外循环系统由水管将外部冷却水系统、 水泵、 室外换热 系统的水冷换热器连接起来组成， 外部冷却水系统是地源热泵、 冷却塔等节能水冷系统， 内 循环系统与外循环系统之间通过室外换热器的水冷换热器换热；控制系统主要由温度传感器、 流量传感器、 转速控制器和制冷控制器组成。
[0007] 制冷系统的半导体制冷部件包括吸冷水冷板、 吸热水冷板和半导体制冷片组。 半导体 制冷片组的制冷端与吸冷水冷板相接触， 半导体制冷片组的制热端与吸热水冷板相接触。
[0008] 制冷系统的附加压缩机制冷部件包括压缩机、 冷凝器、 蒸发器、 节流装置、 吸冷水箱 和吸热水箱。 蒸发器安装在吸冷水箱内， 冷凝器安装在吸热水箱内， 与流经吸冷水箱和吸热 水箱的冷却水进行热交换。
[0009] 一般情况下由半导体制冷部件工作来调节空调终端冷却水的水温， 附加压缩机制冷部 件不工作。 由于外部冷却水系统不具备或者无效等原因， 导致制冷系统的冷却水输入温度与 目标输出温度相差较大时， 附加压缩机制冷部件启动， 以提高制冷制热效率， 降低能耗。
[0010] 室内换热系统主要由散热水箱和风扇组成， 风扇使风吹向散热水箱， 对室内空气进行 制冷或制热。
[0011] 室外换热系统的水冷换热器是冷却水循环系统的内循环系统与外循环系统相连接的 地方， 内循环系统里的冷却水在这里吸收外部冷却水的冷量或热量， 使内循环管道里的水温 接近外部冷却水的水温。 如果外部冷却水系统是地源热泵， 冷却水能得到理想的 13 °C~19°C 的温度， 与人体最舒适的环境温度 20°C~28°C相差无几， 那么换热后内循环系统里的冷却水 的水温基本上可以满足室内制冷制热的需求， 或者半导体制冷部件少量做功就可以满足室内 制冷制热的需求了。
[0012] 一般情况下室外换热系统的风扇不工作。 由于外部冷却水系统不具备或者无效等原 因， 导致室外换热系统的散热水箱的输入冷却水温度在制冷时高于或在制热时低于空气温度 时， 室外换热系统的风扇启动， 使流经散热水箱的冷却水与空气换热， 使散热水箱输出冷却 水的温度尽可能接近空气温度。
[0013] 冷却水循环系统的内循环系统的一种优化结构是：冷却水由水泵驱动，从储水箱流出， 然后分三路流向吸冷水箱、 吸热水箱和吸热水冷板； 一路依次流经吸冷水箱、 吸冷水冷板、 室内换热器的散热水箱， 然后流向水冷换热器的内循环管道； 另外两路分别从吸热水箱和吸 热水冷板流向水冷换热器的内循环管道； 然后从水冷换热器的内循环管道流向室外换热器的 散热水箱； 然后流回储水箱。 冷却水循环系统的外循环系统的一种优化结构是： 冷却水由水 泵驱动， 从外部冷却水系统流向水冷换热器的外循环管道， 然后流回外部冷却水系统； 外部 冷却水系统包含冷水管和热水管， 制冷时冷却水从冷水管流向热水管， 制热时冷却水从热水 管流向冷水管。 这样， 当与同一个外部冷却水系统相连接的空调终端一部分制冷一部分制热 时， 所产生的热水和冷水可以被对方利用起来。 [0014] 内循环系统里的冷却水使用无毒型防冻液， 以满足环保和低温环境需求。
[0015] 控制系统的温度传感器安装在冷却水循环系统的吸冷水箱、 吸热水箱、 吸冷水冷板、 吸热水冷板、 室内换热器的散热水箱、 水冷换热器的内循环管道、 水冷换热器的外循环管道 和室外换热器的散热水箱的冷却水输入端和输出端， 用来采集各节点的冷却水温度。 控制系 统的温度传感器还安装在室内和室外换热系统的散热水箱的进气侧和出气侧附近， 用来采集 各节点的空气温度。
[0016] 控制系统的流量传感器安装在冷却水循环系统的水泵上， 用来采集冷却水的流量。
[0017] 控制系统的转速控制器用来控制水泵和风扇的转速。
[0018] 控制系统的制冷控制器用来控制半导体制冷部件和附加压缩机制冷部件的制冷制热 [0019] 主要控制逻辑有：
当室内换热系统的散热水箱的进气侧的空气温度在制冷时高于或在制热时低于目标温度时， 温差越大， 水泵和室内换热系统的风扇的转速越大， 温差为负数时停止转动。 或者， 室内换 热系统的风扇根据目标风量调整转速。
[0020] 当室内换热系统的风扇根据目标风量运转， 而且室内换热系统的散热水箱的进气侧的 空气温度在制冷时低于或在制热时高于目标温度时， 冷却水循环系统的内循环系统和外循环 系统的水泵都停止工作， 制冷系统也停止工作。
[0021] 当室外换热系统的水冷换热器的内循环管道的冷却水输入温度在制冷时高于或在制 热时低于目标冷却水输出温度时，温差越大， 冷却水循环系统的外循环系统的水泵转速越大， 使内循环管道的冷却水输出温度尽可能接近目标冷却水输出温度。
[00221 当室外换热系统的散热水箱的冷却水的输入温度在制冷时高于或在制热时低于进气 侧的空气温度时， 温差越大， 室外换热系统的风扇的转速越大， 使室外换热系统的散热水箱 的冷却水的输出温度尽可能接近散热水箱的进气侧的空气温度。
[00231 当冷却水循环系统的内循环系统的冷却水流量小于目标流量时，说明可能出现了泄漏 或管道堵塞等情况， 节能水冷空调停止工作； 当水冷换热器的外循环管道的冷却水输入温度 在制冷时高于或在制热时低于内循环管道的冷却水输入温度， 或者外循环系统的冷却水流量 小于目标流量时， 说明外部冷却水系统可能无效或不具备， 外循环系统的水泵停止工作。
[00241 当附加压缩机制冷部件的吸冷水箱的冷却水输入温度在制冷时高于或在制热时低于 半导体制冷部件的吸冷水冷板的冷却水理想输入温度时， 附加压缩机制冷部件工作， 温差越 大， 附加压缩机制冷部件的制冷制热量越大， 温差为负数时附加压缩机制冷部件停止工作， 使附加压缩机制冷部件的吸冷水箱的冷却水输出温度达到制冷系统的目标冷却水输出温度。 当半导体制冷部件的吸冷水冷板的冷却水输入温度在制冷时高于或在制热时低于制冷系统的 目标冷却水输出温度时， 半导体制冷部件工作， 温差越大， 附加半导体制冷部件的制冷制热 量越大， 温差为负数时半导体制冷部件停止工作， 使半导体制冷部件的吸冷水冷板的冷却水 输出温度达到制冷系统的目标冷却水输出温度。
[0025] 本发明的有益效果是： 本发明的节能水冷空调使用水冷换热器与地源热泵、冷却塔等 外部冷却水系统换热， 使空调终端冷却水的水温基本上可以满足室内制冷制热的需求， 或者 半导体制冷部件和附加压缩机制冷部件少量做功就可以满足室内制冷制热的需求； 本发明的 节能水冷空调的附加压缩机制冷部件、 室外换热系统的散热水箱和风扇， 使节能水冷空调能 够在外部冷却水系统不具备或者无效的情况下正常工作； 目前， 地源热泵空调节能而不能普 及， 是因为前期投资大， 投资主体一般是单位， 压缩机制冷的普通建筑空调能耗高而很普遍， 是因为前期投资小， 普通家庭用户能承受得起； 本发明的节能水冷空调可以由于投资小和有 节能潜力被普及， 然后吸引单位和社区等为之建立地源热泵， 从而逐步将地源热泵普及到普 通家庭用户， 降低社会空调总能耗。 与目前的压缩机制冷的普通建筑空调和地源热泵空调相 比， 本发明的节能水冷空调具有节能、 噪音污染少、 安装方便、 使用灵活和便于推广应用等 优点。
附图说明
[0026] 图 1是根据本发明的节能水冷空调的结构示意图。
[0027] 图中， 1.制冷系统， 11.半导体制冷部件， 111.半导体制冷片组， 1111.制冷端， 1112.制 热端， 112.吸冷水冷板， 113.吸热水冷板， 12.附加压缩机制冷部件， 121.压缩机， 122.冷凝器， 123.蒸发器， 124.节流装置， 125.吸冷水箱， 126.吸热水箱， 2.室内换热系统， 21.散热水箱， 22.风扇， 3.室外换热系统， 31.水冷换热器， 311.内循环管道， 312.外循环管道， 4.冷却水循环 系统， 41.内循环系统， 411.水管， 412.储水箱， 413.水泵， 42.外循环系统， 5.控制系统， 51. 温度传感器， 52.流量传感器， 53.转速控制器， 54.制冷控制器， 55.冷却水的输入端， 56.冷却 水的输出端， 57.散热水箱的进气侧， 58.散热水箱的出气侧， 6.外部冷却水系统， 61.冷水管， 62.热水管。
具体实施方式
[00281 下面结合附图和实施例对本发明进一步说明。
[0029] 在图 1中， 本发明的实施例是一种节能水冷空调。
[0030] 如图 1所示： 一种节能水冷空调， 包含制冷系统 1、 室内换热系统 2、 室外换热系统 3、 冷却水循环系统 4 和控制系统 5。 制冷系统 1主要由半导体制冷部件 11和附加压缩机制冷部件 12组成； 室内 换热系统 2主要由散热水箱 21和风扇 22组成； 室外换热系统 3主要由水冷换热器 31、 散热 水箱 21和风扇 22组成； 冷却水循环系统 4包含内循环系统 41和外循环系统 42， 内循环系 统 41 由水管 411将储水箱 412、 水泵 413、 制冷系统 1、 室内换热系统 2和室外换热系统 3 连接起来组成， 外循环系统 42由水管 411将外部冷却水系统 6、 水泵 413和室外换热系统的 水冷换热器 31连接起来组成， 外部冷却水系统 6是地源热泵、冷却塔等节能水冷系统， 内循 环系统 41与外循环系统 42之间通过室外换热器的水冷换热器 31换热；控制系统 5主要由温 度传感器 51、 流量传感器 52、 转速控制器 53和制冷控制器 54等组成。
[0031] 制冷系统 1的半导体制冷部件 11包括半导体制冷片组 111，吸冷水冷板 112和吸热水 冷板 113。半导体制冷片组 111的制冷端 1111与吸冷水冷板 112相接触，半导体制冷片组 111 的制热端 1112与吸热水冷板 113相接触。
[0032] 制冷系统 1的附加压缩机制冷部件 12包括压缩机 121、 冷凝器 122、 蒸发器 123、 节 流装置 124、 吸冷水箱 125和吸热水箱 126。 蒸发器 123安装在吸冷水箱 125内， 冷凝器 122 安装在吸热水箱 126内， 与流经吸冷水箱 125和吸热水箱 126的冷却水进行热交换。
[00331 一般情况下由半导体制冷部件 11工作来调节空调终端冷却水的水温，附加压缩机制冷 部件 12不工作。 由于外部冷却水系统 6不具备或者无效等原因， 导致制冷系统 1的冷却水输 入温度与目标输出温度相差较大时， 附加压缩机制冷部件 12启动， 以提高制冷制热效率， 降 低能耗。
[00341 室内换热系统 2主要由散热水箱 21和风扇 22组成， 风扇 22使风吹向散热水箱 21， 对室内空气进行制冷或制热。
[0035] 室外换热系统 3的水冷换热器 31是冷却水循环系统 4的内循环系统 41与外循环系统
42相连接的地方， 内循环系统 41里的冷却水在这里吸收外部冷却水的冷量或热量， 使内循 环管道 311里的水温接近外部冷却水的水温。 如果外部冷却水系统 6是地源热泵， 冷却水能 得到理想的 13 °C~19°C的温度， 与人体最舒适的环境温度 20°C~28°C相差无几，那么换热后内 循环系统 41里的冷却水的水温基本上可以满足空调终端的需求， 或者半导体制冷部件 11少 量做功就可以满足空调终端的需求了。
[00361 一般情况下室外换热系统 3的风扇 22不工作。 由于外部冷却水系统 6不具备或者无 效等原因，导致室外换热系统 3的散热水箱 21的输入冷却水温度在制冷时高于或在制热时低 于空气温度时， 室外换热系统 3的风扇 22启动， 使流经散热水箱 21的冷却水与空气换热， 使散热水箱 21输出冷却水的温度尽可能接近空气温度。
[0037] 冷却水循环系统 4的内循环系统 41的一种优化结构是： 冷却水由水泵 413驱动， 从 储水箱 412流出， 然后分三路流向吸冷水箱 125、 吸热水箱 126和吸热水冷板 113 ; —路依次 流经吸冷水箱 125、 吸冷水冷板 112、 室内换热器 2的散热水箱 21， 然后流向水冷换热器 31 的内循环管道 311 ; 另外两路分别从吸热水箱 126和吸热水冷板 113流向水冷换热器 31的内 循环管道 311 ; 然后从水冷换热器 31的内循环管道 311流向室外换热器 3的散热水箱 21 ; 然 后流回储水箱 412;冷却水循环系统 4的外循环系统 42的一种优化结构是：冷却水由水泵 413 驱动， 从外部冷却水系统 6流向水冷换热器 31的外循环管道 312， 然后流回外部冷却水系统 6； 外部冷却水系统 6包含冷水管 61和热水管 62， 制冷时冷却水从冷水管 61流向热水管 62， 制热时冷却水从热水管 62流向冷水管 61。
[0038] 内循环系统 41里的冷却水使用无毒型防冻液， 以满足环保和低温环境需求。
[0039] 控制系统 5的温度传感器 51安装在吸冷水箱 125、 吸热水箱 126、 吸冷水冷板 112、 吸热水冷板 113、 室内换热器 2的散热水箱 21、 水冷换热器 31的内循环管道 311、 水冷换热 器 31的外循环管道 312和室外换热器 3的散热水箱 21的冷却水输入端 55和输出端 56， 用 来采集各节点的冷却水温度。控制系统 5的温度传感器 51还安装在室内换热系统 2和室外换 热系统 3的散热水箱 21的进气侧 57和出气侧 58附近， 用来采集各节点的空气温度。
[00401 控制系统 5的流量传感器 52安装在冷却水循环系统 4的水泵 413上， 用来采集冷却 水的流量。
[0041] 控制系统 5的转速控制器 53用来控制水泵 413和风扇 22的转速。
[00421 控制系统 5的制冷控制器 54用来控制半导体制冷部件 11和附加压缩机制冷部件 12 的制冷制热量。
[0043] 主要控制逻辑有：
当室内换热系统 2的散热水箱 21的进气侧 57的空气温度在制冷时高于或在制热时低于目标 温度时， 温差越大， 水泵 413和室内换热系统 2的风扇 22的转速越大， 温差为负数时停止转 动； 或者室内换热系统 2的风扇 22根据目标风量调整转速。
[0044] 当室内换热系统 2的风扇 22根据目标风量运转， 而且室内换热系统 2的散热水箱 21 的进气侧 57的空气温度在制冷时低于或在制热时高于目标温度时，冷却水循环系统 4的内循 环系统 41和外循环系统 42的水泵 413都停止工作， 制冷系统 1也停止工作。
[0045] 当室外换热系统 3的水冷换热器 31的内循环管道 311的冷却水输入温度在制冷时高 于或在制热时低于目标冷却水输出温度时，温差越大， 冷却水循环系统 4的外循环系统 42的 水泵 413转速越大， 使内循环管道 311的冷却水输出温度尽可能接近目标冷却水输出温度。
[0046] 当室外换热系统 3 的散热水箱 21 的冷却水的输入温度在制冷时高于或在制热时低于 进气侧 57的空气温度时， 温差越大， 室外换热系统 3的风扇 22的转速越大， 使室外换热系 统 3的散热水箱 21的冷却水的输出温度尽可能接近散热水箱 21的进气侧 57的空气温度。
[0047] 当内循环系统 41 的冷却水流量小于目标流量时， 说明可能出现了泄漏或管道堵塞等 情况， 节能水冷空调停止工作； 当水冷换热器 31的外循环管道 312的冷却水输入温度在制冷 时高于或在制热时低于内循环管道 311的冷却水输入温度，或者外循环系统 42的冷却水流量 小于目标流量时， 说明外部冷却水系统 6可能无效或不具备， 外循环系统 42的水泵 413停止 工作。
[0048] 当附加压缩机制冷部件 12的吸冷水箱 125 的冷却水输入温度在制冷时高于或在制热 时低于半导体制冷部件 11的吸冷水冷板 112的冷却水理想输入温度时， 附加压缩机制冷部件 12工作， 温差越大， 附加压缩机制冷部件 12的制冷制热量越大， 温差为负数时附加压缩机 制冷部件 12停止工作，使吸冷水箱 125的冷却水输出温度达到制冷系统 1的目标冷却水输出 温度。当半导体制冷部件 11的吸冷水冷板 112的冷却水输入温度在制冷时高于或在制热时低 于制冷系统 1的目标冷却水输出温度时， 半导体制冷部件 11工作， 温差越大， 半导体制冷部 件 11的制冷制热量越大， 温差为负数时半导体制冷部件 11停止工作， 使吸冷水冷板 112的 冷却水输出温度达到制冷系统 1的目标冷却水输出温度。

Claims

WO 2014/201973 权 利 要 求 书 PCT/CN2014/079829
1. 一种节能水冷空调， 其特征是： 包含制冷系统、 室内换热系统、 室外换热系统、 冷却水循 环系统和控制系统； 所述制冷系统主要由半导体制冷部件和附加压缩机制冷部件组成； 所述 室内换热系统主要由散热水箱和风扇组成； 所述室外换热系统主要由水冷换热器、 散热水箱 和风扇组成； 所述冷却水循环系统包含内循环系统和外循环系统， 所述内循环系统由水管将 储水箱、 水泵、 所述制冷系统、 所述室内换热系统和所述室外换热系统连接起来组成， 所述 外循环系统由水管将外部冷却水系统、水泵和所述室外换热系统的水冷换热器连接起来组成， 所述内循环系统与所述外循环系统之间通过所述室外换热器的水冷换热器换热； 所述控制系 统主要包含温度传感器、 流量传感器、 转速控制器和制冷控制器。
2. 根据权利要求 1所述的节能水冷空调， 其特征是： 所述制冷系统的半导体制冷部件包括吸 冷水冷板、 吸热水冷板和半导体制冷片组； 所述半导体制冷片组的制冷端与所述吸冷水冷板 相接触， 所述半导体制冷片组的制热端与所述吸热水冷板相接触； 所述制冷系统的附加压缩 机制冷部件包括压缩机、 冷凝器、 蒸发器、 节流装置、 吸冷水箱和吸热水箱； 所述蒸发器安 装在所述吸冷水箱内， 所述冷凝器安装在所述吸热水箱内， 与流经所述吸冷水箱和所述吸热 水箱的冷却水进行热交换。
3. 根据权利要求 2所述的节能水冷空调， 其特征是： 所述冷却水循环系统的内循环系统的一 种优化结构是： 冷却水由所述水泵驱动， 从所述储水箱流出， 然后分三路流向所述吸冷水箱、 所述吸热水箱和所述吸热水冷板； 一路依次流经所述吸冷水箱、 所述吸冷水冷板、 所述室内 换热器的散热水箱， 然后流向所述水冷换热器的内循环管道； 另外两路分别从所述吸热水箱 和所述吸热水冷板流向所述水冷换热器的内循环管道； 然后从所述水冷换热器的内循环管道 流向所述室外换热器的散热水箱； 然后流回所述储水箱； 所述冷却水循环系统的外循环系统 的一种优化结构是： 冷却水由所述水泵驱动， 从所述外部冷却水系统流向所述水冷换热器的 外循环管道， 然后流回所述外部冷却水系统； 所述外部冷却水系统包含冷水管和热水管， 制 冷时冷却水从所述冷水管流向所述热水管， 制热时冷却水从所述热水管流向所述冷水管。
4. 根据权利要求 2所述的节能水冷空调， 其特征是： 所述控制系统的温度传感器安装在所述 冷却水循环系统的吸冷水箱、 吸热水箱、 吸冷水冷板、 吸热水冷板、 室内换热器的散热水箱、 水冷换热器的内循环管道、 水冷换热器的外循环管道和室外换热器的散热水箱的冷却水输入 端和输出端， 用来采集各节点的冷却水温度； 所述温度传感器还安装在所述室内和室外换热 系统的散热水箱的进气侧和出气侧附近， 用来采集各节点的空气温度； 所述控制系统的流量 传感器安装在所述水泵上， 用来采集冷却水的流量； 所述控制系统的转速控制器用来控制所 述水泵和所述风扇的转速； 所述控制系统的制冷控制器用来控制所述半导体制冷部件和所述 附加压缩机制冷部件的制冷量。
5. 根据权利要求 1所述的节能水冷空调， 其特征是： 所述冷却水循环系统的内循环系统里的 冷却水使用无毒型防冻液， 以满足环保和低温环境需求。
PCT/CN2014/079829 2013-06-17 2014-06-13 一种节能水冷空调 Ceased WO2014201973A1 (zh)

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