CN203163133U

CN203163133U - Energy-saving water-cooling air conditioner

Info

Publication number: CN203163133U
Application number: CN201320081471.0U
Authority: CN
Inventors: 颜怀略; 杨春敏
Original assignee: HUBEI HAOKE ENERGY-SAVING TECHNOLOGY Co Ltd
Current assignee: HUBEI HAOKE ENERGY-SAVING TECHNOLOGY Co Ltd
Priority date: 2013-02-22
Filing date: 2013-02-22
Publication date: 2013-08-28
Anticipated expiration: 2023-02-22

Abstract

The utility model relates to an energy-saving water-cooling air conditioner mainly comprising a cooling tower portion and an equipment room portion. The cooling tower portion and the equipment room portion are arranged side by side, or the cooling tower portion is arranged at the top of the equipment room portion. The cooling tower comprises a cooling tower, water distribution pipes (22), water distributors (23), a water-cooling heat radiation fin set (24), a water collecting tray (25), heat exchangers (3), windshields (29) and pipelines. A water collecting groove (26) is installed at one end of the cooling tower, fans (28) are installed at the top of the cooling tower, and the windshields (29) are installed below the heat exchangers (3). A control cabinet (7), a compressor (1), a condenser (2), a throttle component (5), an evaporator (4), a liquid storage tank (6), a medium water pump (20), a cooling water pump (21) and a plurality of electric valves, one-way valves and pipelines are arranged inside the equipment room portion. By the energy-saving water-cooling air conditioner, air-conditioner rooms are omitted, and indoor space and investment cost for purchase, installation and daily maintenance are saved.

Description

A kind of energy-conservation water-cooled air conditioner

Technical field

The utility model relates to field of heating ventilation air conditioning, particularly utilizes recirculated cooling water to pass through the heat radiation of water-cooling sheet group, the air conditioner that utilizes heat pump principle to heat when heating during a kind of refrigeration.

Background technology

In existing HVAC technical field, particularly utilize the water-cooled central air-conditioning unit of cooling tower cooling water circulation, unit eer during refrigeration (COP value) height can be up to more than 5.0, but can not heat winter, heat supplies such as need power up outward, combustion gas, coal-burning boiler.The wind-cooling type heat pump unit, though have heat-production functions, Energy Efficiency Ratio (COP value) is lower during refrigeration, has only about 3.0, is unfavorable for energy-conserving and environment-protective.

Present most of water-cooled air-conditioning production firm when the publicity unit eer, the Energy Efficiency Ratio that cold and the ratio between the input power of main frame output are regarded as this unit only, there are mistaken ideas in this algorithm in fact.Comparatively the cold of advanced its output of Water cooled air conditioners unit and the power ratio of input can both reach more than 5.0 at present, and be so high but its comprehensive Energy Efficiency Ratio is far from.Because water-cooled central air conditioner main machine when operation, cooling water pump, media water pump also must move simultaneously, so must be with the energy consumption calculation of water pump interior when calculating Energy Efficiency Ratio.Central air conditioner system is the system of a more complicated, and main frame only accounts for the sub-fraction of this air-conditioning system, and most equipment will be leaned on the HVAC system designer design selection of Architecture Design Institute.They tend to consider the factors such as putting position of height and the cooling tower of building when pump selection, with the surplus of cooling water pump, media water pump power output put very big, cause the comprehensive Energy Efficiency Ratio of air-conditioning system to reduce greatly, its comprehensive Energy Efficiency Ratio of water-cooled central air-conditioning unit that has also can only reach about 3.0.

For example the 30HXC130 water-cooled central air-conditioning unit that empty profit accent company produces, refrigerating capacity 464KW's, compressor power input 98KW, Energy Efficiency Ratio 4.7 are opened in International Hotel, Yuanan (Yuanan County, Hubei) (totally two 1 usefulness 1 are equipped with) Shanghai.The HVAC system designer when design is installed, the cooling water pump of selecting for use be 45KW(totally 31 usefulness 2 be equipped with), totally 31 usefulness 2 are fully for media water pump 37KW(), have only 2.6 according to its comprehensive Energy Efficiency Ratio of calculating, cause a large amount of power consumptions on water pump.Of this sort example also has a lot.

Summary of the invention

Technical problem to be solved in the utility model is: provide a kind of energy-conservation water-cooled air conditioner, to overcome the deficiency that above-mentioned technology exists.

The utility model solves its technical problem and adopts following technical scheme:

The energy-conservation water-cooled air conditioner that the utility model provides, mainly partly formed by cooling tower part and equipment room, cooling tower partly is positioned at the top of equipment room part, perhaps put side by side, wherein: described cooling tower partly comprises cooling tower, water distributor, water-locator, water-cooling sheet group, drip tray, heat exchanger, windscreen and pipeline; Described cooling tower, water leg is equipped with in one bottom portion, and blower fan is equipped with at its top, and its side is equipped with heat exchanger, windscreen is installed below the heat exchanger.Be provided with switch board, compressor, condenser, restricting element, evaporimeter, media water pump, cooling water pump and pipeline in the described equipment room part.

The energy-conservation water-cooled air conditioner that the utility model provides, be provided with cooling water recirculation system, media water circulation system, refrigerant loop and control system, wherein: in process of refrigerastion, utilize the water cooling cold-producing medium, heat and utilize the cold-producing medium evaporation to absorb airborne heat in the process; This air conditioner water that utilizes the medium is imported hot and cold amount as medium to indoor air conditioner, perhaps utilizes cold-producing medium to import hot and cold amount as medium to indoor air conditioner.

Described cooling water recirculation system mainly is made up of cooling water pump and condenser, cooling tower, wherein: the delivery port of cooling water pump links to each other with the 2D end of condenser by pipeline, the 2C end of condenser links to each other with water-locator by pipeline, water distributor, water-locator links to each other with water-cooling sheet group, drip tray, drip tray links to each other with water leg, and the delivery port of water leg links to each other with the water inlet of cooling water pump.

Described media water circulation system can comprise media water pump, condenser and evaporimeter, wherein: the delivery port of media water pump links to each other with the 4C end of evaporimeter by pipeline, the 4D end of evaporimeter links to each other with the water inlet pipe that leads to indoor air conditioner by pipeline, the outlet pipe of being drawn by indoor air conditioner links to each other with the water inlet of media water pump, the media water circulation system when forming refrigeration mode; The delivery port of media water pump also links to each other with the 2D end of condenser by pipeline, the 2C end of condenser links to each other with the water inlet pipe that leads to indoor air conditioner by pipeline, the outlet pipe of being drawn by indoor air conditioner links to each other with the water inlet of media water pump, the media water circulation system when forming heating mode.

Described refrigerant loop mainly is made up of compressor and condenser, restricting element, evaporimeter, heat exchanger, a plurality of motor-driven valve, a plurality of check valve, wherein: the exhaust outlet of compressor links to each other with the 2A end of condenser by pipeline, the 3rd motor-driven valve, the 2B end of condenser links to each other with restricting element by pipeline, restricting element links to each other with the 4A end of evaporimeter by pipeline, the 4th motor-driven valve again, the 4B end of evaporimeter links to each other with the air entry of compressor by pipeline, forms the refrigerant circulation loop of a refrigeration mode thus; The exhaust outlet of compressor also links to each other with the 2A end of condenser by pipeline, the 3rd motor-driven valve, the 2B end of condenser links to each other with restricting element by pipeline, restricting element links to each other with the 3B end of heat exchanger by pipeline, second check valve, the 3A end of heat exchanger links to each other with the air entry of compressor by pipeline, first motor-driven valve, forms the refrigerant circulation loop of a heating mode thus.

Described control system is switch board, it links to each other with compressor, media water pump, cooling water pump, blower fan, windscreen, restricting element, a plurality of motor-driven valve, a plurality of flow switch, a plurality of temperature sensor, a plurality of pressure sensor by lead, control these parts open and close or startup, stop.

When energy-conservation water-cooled air conditioner was provided with a plurality of refrigerant loops and forms, the blower fan that is installed in the cooling tower top also had a plurality of, and the air channel dividing plate is set between the blower fan of each refrigerant loop, to occur going here and there the wind phenomenon between the blower fan that prevents from stopping and move.

The utility model can be cancelled media water pump, evaporimeter, flow switch, a plurality of motor-driven valve, a plurality of temperature sensor in the described media water circulation system, utilizes cold-producing medium to import hot and cold amount as medium to indoor air conditioner; In this refrigerant loop, the exhaust outlet of compressor links to each other with the 19A end of cross valve by pipeline, the 19B end of cross valve links to each other with the 2A end of condenser by pipeline, the 3rd motor-driven valve, the 2B end of condenser links to each other with restricting element by pipeline, restricting element links to each other with indoor air conditioner by pipeline, indoor air conditioner links to each other with the 19D end of cross valve, the 19C end of cross valve links to each other with the 6A end of fluid reservoir by pipeline, the 6B end of fluid reservoir links to each other with the air entry of compressor, forms the refrigerant circulation loop of a refrigeration mode thus; In this refrigerant loop, the exhaust outlet of compressor also links to each other with the 19A end of cross valve by pipeline, the 19D end of cross valve links to each other with indoor air conditioner by pipeline, indoor air conditioner links to each other with the 3B end of heat exchanger by pipeline, restricting element, the 3A end of heat exchanger links to each other with the 19B end of cross valve by pipeline, second motor-driven valve, the 19C end of cross valve links to each other with the 6A end of fluid reservoir by pipeline, the 6B end of fluid reservoir links to each other with the air entry of compressor, forms the refrigerant loop of a heating mode thus.

The energy-conservation water-cooled air conditioner that the utility model provides can reduce heat exchanger, fluid reservoir, windscreen and dividing plate thereof, and a plurality of motor-driven valve, check valve, has reduced heat-production functions thus, has only refrigerating function.

The described energy-conservation water-cooled air conditioner that only has refrigerating function, in its structure, the equipment room that is positioned at below the cooling tower can be provided with switch board, compressor, condenser, restricting element, evaporimeter, the media water pump, cooling water pump and pipeline, wherein: the delivery port of cooling water pump links to each other with the 2D end of condenser by pipeline, the 2C end of condenser passes through pipeline, water distributor links to each other with water-locator, water-locator and water-cooling sheet group, drip tray links to each other, drip tray links to each other with water leg, the delivery port of water leg links to each other with the water inlet of cooling water pump, forms cooling water recirculation system; The delivery port of media water pump links to each other with the 4C end of evaporimeter by pipeline, and the 4D end of evaporimeter links to each other with the water inlet pipe that leads to indoor air conditioner by pipeline, and the outlet pipe of being drawn by indoor air conditioner links to each other with the water inlet of media water pump, forms the media water circulation system; The exhaust outlet of compressor links to each other with the 2A end of condenser by pipeline, the 2B end of condenser links to each other with restricting element by pipeline, restricting element links to each other with the 4A end of evaporimeter by pipeline, and the 4B end of evaporimeter links to each other with the air entry of compressor by pipeline, forms refrigerant circulation loop; Switch board links to each other with compressor, media water pump, cooling water pump, blower fan, restricting element, a plurality of flow switch, a plurality of temperature sensor, a plurality of pressure sensor by lead, control these parts open and close or startup, stop.

The utility model compared with prior art has following major advantage:

(1) increased heat-production functions with traditional Water cooled air conditioners ratio, the equipment that has reduced when air-conditioning system is just adorned drops into.

This air conditioner discloses a kind of energy-conservation water-cooled air conditioner, possesses refrigeration and heat-production functions simultaneously, and the water-cooled air conditioner with traditional during refrigeration is the same, and cold-producing medium adopts the water-cooled mode of cooling tower to cool off, and the pressure at expulsion of compressor is low, the Energy Efficiency Ratio height.Difference is, this air conditioner has heat-production functions, after the user selects this air conditioner for use, need not to select for use other air-conditioning heating equipments such as electricity, gas, coal burning boiler of low Energy Efficiency Ratio, and the equipment when greatly reducing first dress drops into and the use cost in later stage.

(2) with traditional wind-cooling type heat pump air-conditioning ratio, Energy Efficiency Ratio height, environmental protection and energy saving.

This air conditioner discloses a kind of energy-conservation water-cooled air conditioner, is a kind of air conditioner for both cooling and heating machine.As everyone knows, Energy Efficiency Ratio during the water-cooled air conditioner refrigeration will be higher than the wind-cooling type heat pump air-conditioning, the water-cooled air-conditioning unit of Xiao Shouing such as the U.S. open brand water-cooling air conditioners such as profit, U.S. York, beautiful, Gree in the market, and the Energy Efficiency Ratio of main frame is all more than 5.0.And in the wind-cooling type heat pump air-conditioning unit refrigeration mode of above-mentioned brand when operation, adopted air-cooled cooling refrigeration agent, the pressure at expulsion height of compressor, so Energy Efficiency Ratio is also just lower, the Energy Efficiency Ratio of most of units has only about 3.0-3.6.Therefore, this air conditioner adopts the agent of water-cooling pattern cooling refrigeration when freezing summer, and its main frame Energy Efficiency Ratio can reach more than 5.0 too, owing to adopted main frame, the design of water circulating pump integral type, comprehensive Energy Efficiency Ratio is higher than traditional air-conditioning.

(3) integrated design, with traditional air conditioner ratio, comprehensive Energy Efficiency Ratio is higher.

This air conditioner adopts integrated design, and media water-circulating pump, cooling water pump all are positioned at this device interior, and its power all is that the professional and technical personnel measures design according to the refrigeration (heat) of this air conditioner, need not HVAC system designer design selection.The air-conditioning system of above-mentioned International Hotel, Yuanan for example, if anthology air-conditioning unit, its cooling water pump power only needs 7.5KW, and the media water pump also only needs 11KW, the comprehensive Energy Efficiency Ratio of this air-conditioning system can reach more than 4.0 so, is higher than the comprehensive Energy Efficiency Ratio of its existing air-conditioning 2.6 far away.And cooling water pump can be adjusted frequency automatically according to the variation of cold, and when compressor unloading was shut down, cooling water pump can be out of service, and water pump started automatically when compressor started again, cut down the consumption of energy greatly.

When outdoor temperature 35 is spent, when cooling water temperature 35 is spent, parameter when recording this air conditioner refrigeration operation by test is as follows: compressor power input 93KW, cooling water flow 100m/h, cooling water pump power 7.5KW, media discharge 80 m/h, media pump power 11KW, refrigerating operaton one hour has produced the cold of 479KW.Its nominal Energy Efficiency Ratio 5.15; Its comprehensive Energy Efficiency Ratio 4.3.

When outdoor temperature 7 was spent, the parameter when recording this air conditioner heating operation by test was as follows: compressor power input 91KW, and media discharge 80 m/h, media pump power 11KW, heating operation one hour has produced the heat of 329KW.Its nominal Energy Efficiency Ratio 3.62; Its comprehensive Energy Efficiency Ratio 3.23.

By above experiment as can be known: this air conditioner Energy Efficiency Ratio when heating is suitable with traditional air-conditioning, but will exceed more than 40% than traditional heat pump air conditioner Energy Efficiency Ratio when refrigeration, and comprehensive Energy Efficiency Ratio is then higher.Office building as 30000 ㎡, per hour approximately must cold 3600KW in the summer process of refrigerastion, if select per hour power consumption=3600 ÷ 3.6(COP values of traditional heat pump air conditioner for use)=1029KW, and select this energy-conservation water-cooled air conditioner for use, power consumption=3600 ÷ 5.15(COP values per hour when freeze summer)=699KW, 329 degree per hour can economize on electricity, move 10 hours every day and can economize on electricity 3300 degree, every degree electricity is by 1 yuan of calculating of commercial electricity price, can save 100,000 yuan of the electricity charge in every month, annual refrigerating operaton can be saved the electricity charge in 5 months more than 500,000 yuan, so economic benefit is considerable.

(4) with traditional air conditioner ratio, save installation space and cooling water pipeline, reduced installation cost.

This air conditioner is installed in outdoor, as roof or vacant lot downstairs, adopt integrated design, media water pump, cooling water pump all are positioned at this equipment, therefore with traditional Water cooled air conditioners ratio, saved the air-conditioning equipment machine room, saved that a large amount of interior spaces and cooling water pipeline are purchased, the input cost of installation and regular maintenance.

Select for use this air-conditioning to reduce to have reduced behind the machine room construction cost about 10% according to measuring and calculating, saved purchasing and installing of cooling water pipeline, it is about 20% then can to reducing the construction costs, and the regular maintenance cost also can reduce in a large number.Therefore it is about more than 30% to select for use this air-conditioning can reduce total construction cost.

Description of drawings

Fig. 1 is the structure perspective diagram of the utility model air conditioner embodiment 1 and embodiment 2.

Fig. 2 is the operation of the utility model air conditioner embodiment 1 refrigeration mode, cooling water, media water, refrigerant flow direction figure.

Fig. 3 is the operation of the utility model air conditioner embodiment 1 heating mode, media water, refrigerant flow direction figure.

Fig. 4 is the operation of the utility model air conditioner embodiment 1 heating mode, and defrost function starts media water, refrigerant flow direction figure.

Fig. 5 is the operations of the utility model air conditioner embodiment 2 refrigeration modes, but water water, refrigerant flow direction figure.

Fig. 6 is the operations of the utility model air conditioner embodiment 2 heating modes, refrigerant flow direction figure.

Fig. 7 is the operations of the utility model air conditioner embodiment 2 heating modes, and defrost function starts back refrigerant flow direction figure.

Fig. 8 is the structure perspective diagram of the utility model air conditioner embodiment 3.

When Fig. 9 is the utility model air conditioner embodiment 3 operations, cooling water, media water, refrigerant flow direction figure.

Figure 10 is the theory diagram of the utility model control system for air conditioner.

Among the figure: 1. compressor; 2. condenser; 3. heat exchanger; 4. evaporimeter; 5. restricting element; 6. fluid reservoir; 7. switch board; 8. first motor-driven valve; 9. second motor-driven valve; 10. the 3rd motor-driven valve; 11. the 4th motor-driven valve; 12. the 5th motor-driven valve; 13. the 6th motor-driven valve; 14. the 7th motor-driven valve; 15. the 8th motor-driven valve; 16. first check valve; 17. second check valve; 18. the 3rd check valve; 19. cross valve; 20. media water pump; 21. cooling water pump; 22. water distributor; 23. water-locator; 24. water-cooling sheet group; 25. drip tray; 26. water leg; 27. air channel dividing plate; 28. blower fan; 29. windscreen; 30. first temp probe; 31. second temp probe; 32. the 3rd temp probe; 33. the 4th temp probe; 34. the 5th temp probe; 35. first flow switch; 36. second flow switch; 37. first pressure probe; 38. second pressure probe; 39. indoor air conditioner.

The specific embodiment

The energy-conservation water-cooled air conditioner that the utility model provides, utilize cooling tower water circulation heat radiation its summer when freezing, Energy Efficiency Ratio can reach more than 5.0, media water pump, cooling water pump are installed in the equipment room below the cooling tower, need not to consider the putting position of cooling tower and the height of building during pump selection, only need according to the actual refrigeration of this air conditioner (heat) amount type selecting, so the pump power that type selecting goes out can reduce greatly than traditional central air-conditioning type selecting power, therefore comprehensive Energy Efficiency Ratio is higher.

Below in conjunction with embodiment 1 and accompanying drawing this air conditioner is described further, but is not limited to following described content.

Embodiment 1: a kind of energy-conservation water-cooled air conditioner that present embodiment provides, the water that utilizes the medium as medium to the hot and cold amount of indoor input.More energy-conservation more than 30% than traditional air-cooled heat-pump air-conditioner, its structure as shown in Figure 1; Its operation logic such as Fig. 2, Fig. 3, shown in Figure 4; The theory diagram of its control system as shown in figure 10.

The energy-conservation water-cooled air conditioner that present embodiment provides mainly partly is made up of cooling tower part and equipment room, is provided with cooling water circulation, the circulation of media water, control, refrigerant loop four big systems.Utilize the medium water as medium to the hot and cold amount of indoor input.Summer, refrigeration adopted the agent of water cooling mode cooling refrigeration, utilized winter the heat pump operation principle to heat.The equipment room part is linked to each other with lead by many pipelines between them in the bottom of cooling tower part (equipment room and cooling tower part also can be put side by side).

Described cooling tower partly is provided with water distributor 22, water-locator 23, water-cooling sheet group 24, drip tray 25, water leg 26, heat exchanger 3, blower fan 28, air channel dividing plate 27, windscreen 29 and section of tubing etc.Wherein: the top that blower fan 28, water-locator 23 are installed cooling tower; Water-cooling sheet group 24, drip tray 25, water leg 26 are installed in the inside of cooling tower; Heat exchanger 3 is installed in the lateral surface of cooling tower; Windscreen 29 be installed in heat exchanger 3 below.

Be provided with switch board 7, compressor 1, condenser 2, restricting element 5, evaporimeter 4, fluid reservoir 6, media water pump 20, cooling water pump 21 and a plurality of motor-driven valve, check valve, pipeline etc. in the described equipment room part.Wherein: media water pump 20, cooling water pump 21 are installed in an end of close cooling tower bottom water leg 26 in the equipment room; The condenser of An Zhuaning, evaporimeter and be installed in the front that compressor 1 above them is installed in media water pump 20 and cooling water pump 21 side by side; Fluid reservoir 6 is installed on the air intake duct of compressor 1; Switch board 7 is installed on the framed side wallboard of equipment room; Restricting element 5, a plurality of motor-driven valve, a plurality of flow switch, a plurality of pressure switch, a plurality of temperature controller are installed on the pipeline corresponding with their function.

Described cooling water recirculation system is provided with cooling water pump 21 and condenser 2, water distributor 22, water-locator 23, water-cooling sheet group 24, drip tray 25, water leg 26 etc.

Described media water circulation system is provided with media water pump 20, condenser 2, evaporimeter 4, a plurality of motor-driven valve, extends to indoor pipeline, indoor air conditioner 39 etc.;

Described refrigerant circulation loop is provided with compressor 1, condenser 2, restricting element 5, evaporimeter 4, heat exchanger 3, fluid reservoir 6, a plurality of motor-driven valve, a plurality of check valves etc.

In the described control system, switch board 7 is the control centre of this air conditioner, it links to each other with compressor 1, media water pump 20, cooling water pump 21, blower fan 28, windscreen 29, restricting element 5, a plurality of motor-driven valve, a plurality of flow switch, a plurality of temperature sensor, a plurality of pressure sensor by lead 7F, control these parts switch or startup, stop.

In the described cooling water recirculation system, the delivery port of cooling water pump 21 links to each other with the 2D end of condenser 2 by pipeline, first check valve 16, the 2C end links to each other with water-locator 23 by pipeline, the 8th motor-driven valve 15, water distributor 22, water-locator 23 links to each other with water-cooling sheet group 24, drip tray 25, drip tray 25 links to each other with water leg 26, and the delivery port of water leg 26 (the C point among Fig. 1) links to each other with the water inlet of cooling water pump 21.

In the described media water circulation system, the delivery port of media water pump 20 links to each other with the 4C end of evaporimeter 4 by pipeline, the 6th motor-driven valve 13, the 4D end of evaporimeter 4 links to each other with indoor air conditioner 39 by pipeline, indoor air conditioner 39 links to each other by the water inlet of pipeline with media water pump 20, the media water circulation system when forming a refrigeration mode thus;

In the described media water circulation system, the delivery port of media water pump 20 also links to each other with the 2D end of condenser 2 by pipeline, the 5th motor-driven valve 12, the 2C end links to each other with indoor air conditioner 39 by pipeline, the 7th motor-driven valve 14, indoor air conditioner 39 links to each other by the water inlet of pipeline with media water pump 20, the media water circulation system when forming a heating mode thus;

In the described refrigerant circulation loop, the exhaust outlet of compressor 1 links to each other with the 2A end of condenser 2 by pipeline, motor-driven valve 10, the 2B end of condenser 2 links to each other with restricting element 5 by pipeline, restricting element 5 links to each other with the 4A end of evaporimeter 4 by pipeline, motor-driven valve 11 again, the 4B end of evaporimeter 4 links to each other with the 6A end of fluid reservoir 6 by pipeline, the 6B end links to each other with the air entry of compressor 1, forms the refrigerant circulation loop of a refrigeration mode thus;

In the described refrigerant circulation loop, the exhaust outlet of compressor 1 also links to each other with the 2A end of condenser 2 by pipeline, motor-driven valve 10, the 2B end of condenser 2 links to each other with restricting element 5 by pipeline, restricting element 5 links to each other with the 3B end of heat exchanger 3 by pipeline, second check valve 17, the 3A end of heat exchanger 3 links to each other with the 6A end of fluid reservoir 6 by pipeline, first motor-driven valve 8, the 6B end links to each other with the air entry of compressor 1, forms the refrigerant circulation loop of a heating mode thus;

In the described refrigerant circulation loop, the exhaust outlet of compressor 1 also links to each other with the 3B end of heat exchanger 3 by pipeline, second motor-driven valve 9, the 3A end of heat exchanger 3 links to each other with restricting element 5 by pipeline, the 3rd check valve 18, restricting element 5 links to each other with the 4A end of evaporimeter 4 by pipeline, the 4th motor-driven valve 11 again, the 4B end of evaporimeter 4 links to each other with the 6A end of fluid reservoir 6 by pipeline, the 6B end links to each other with the air entry of compressor 1, the refrigerant circulation loop when forming a heating mode defrost function startup thus.

Described water-cooling sheet group 24 is made up of the water-cooling sheet that polylith has convex-concave surface, and they are installed in the both sides of cooling tower, and the outside of water-cooling sheet group 24 is equipped with heat exchanger 3, and they are provided with between 2. and prevent the louvre blade that dabbles.

Described water distributor 22 is made up of the many arms that the person in charge who is connected on cooling water pump 21 delivery ports is divided into, and an end of arm links to each other with house steward, and the other end links to each other with water-locator 23.

Described water-locator 23 is that the bottom has the tank of a lot of apertures, after the cooling water of being sent here by cooling water pump 21 injects tank by water distributor, the aperture by its bottom uniformly with water distribution on the top of water-cooling sheet group 24, flow to again in the drip tray 25.

Described drip tray 25 is installed in the bottom of water-cooling sheet, collects by water-cooling sheet group 24 cooled cooling waters.The end that this drip tray links to each other with water leg 26 is lower, and the water of being convenient to be cooled flows into water leg 26 fast.

Described water leg 26 is installed in an end of cooling tower, and its open interface is used for receiving from drip tray 25 cooling waters, and its inside is equipped with the ball-cock assembly of automatic water supplement, and its underpart is provided with delivery port C and links to each other by the water inlet of pipeline with cooling water pump 21.

Described blower fan 28 is installed in the top of cooling tower, when this air conditioner is made up of a plurality of refrigerant loops, between the blower fan of each refrigerant loop air channel dividing plate 27 can be set, to occur string wind phenomenon between the blower fan that prevents from stopping and moving.

Described condenser 2 is installed in the equipment room, and refrigeration mode when operation is as the gaseous refrigerant of the HTHP heat exchanger to the cooling water release heat.When heating as high temperature and high pressure gaseous refrigerant to media water release heat, add the heat exchanger of thermal medium water.

Described evaporimeter 4 is installed in the equipment room, when refrigeration or defrosting mode operation, absorbs the heat exchanger of media hydro-thermal amount as the liquid refrigerant evaporation of low-temp low-pressure.

Described heat exchanger 3 is installed in the outside of cooling tower water-cooled groups of fins 24, and during the heating mode operation, evaporation absorbs the heat exchanger of heat in the air as cold-producing medium; During the defrosting mode operation, melt the heat exchanger of frost layer as cold-producing medium heat exchanger 3 copper pipe release heat.

Described restricting element 5 according to condenser, evaporator pressure, variation of temperature, is regulated the key element of control refrigerant flow during as various mode operation, and it can be various ways such as heating power formula, electronic type, float-valve type.

Described motor-driven valve, according to the medium difference that flows in plant capacity, flow size and the valve body, the model of selecting for use is also different, and it can be magnetic valve, electric butterfly valve, electric two-way valve etc.

Described windscreen 29 is installed in the bottom of heat exchanger 3, opens during refrigerating operaton, increases the ventilation of water-cooling sheet group 24.Close during heating operation, make outdoor air can only pass through the fin slit of heat exchanger 3.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Figure 10, the A among Fig. 1, B, C, D point are respectively with corresponding A, B, C, D point link to each other with it among Fig. 2, Fig. 3, Fig. 4.The course of work of the device that present embodiment 1 provides is as follows:

Cooling water, media water circulation system, refrigerant loop flow process when (1) refrigeration mode moves:

As shown in Figure 2, when this air conditioner starts the refrigeration mode operation, switch board 7 is opened the 3rd motor-driven valve 10, the 4th motor-driven valve 11, the 6th motor-driven valve 13, the 8th motor-driven valve 15, windscreen 29, closes first motor-driven valve 8, second motor-driven valve 9, the 5th motor-driven valve 12, the 7th motor-driven valve 14.Refrigerant circulation loop, cooling water system, media water circulation system form the refrigeration mode path.

Switch board 7 starts media water pump 20, cooling water pump 21, when detecting first flow switch 35, after the discharge normal signal of second flow switch, 36 feedbacks, start compressor 1, the high temperature and high pressure gas that compressor 1 is discharged passes through pipeline, the 3rd motor-driven valve 10, the 2A end of condenser 2 enters condenser 2, after carrying out heat exchange with cooling water in the condenser 2, condensation forms the liquid refrigerant of HTHP, enter restricting element 5 through the 2B of condenser 2 end by pipeline again, form the liquid refrigerant of low-temp low-pressure after the throttling, pass through pipeline again, the 4th motor-driven valve 11, the 4A end of evaporimeter 4 enters evaporimeter 4, carry out heat exchange with the media water in the evaporimeter 4, the liquid refrigerant evaporation forms the gaseous refrigerant of low-temp low-pressure, enter the 6A end of fluid reservoir 6 again by pipeline by the 4B end of evaporimeter 4, enter the air entry of compressor 1 again through the 6B of fluid reservoir 6 end, form a refrigeration mode running refrigerating agent closed circuit thus.

After cooling water pump 21 starts, cooling water enters the 2D end of condenser 2 by pipeline, carry out heat exchange with cold-producing medium in the condenser and enter water-locator 23 by pipeline through the 8th motor-driven valve 15, water distributor 22 by the 2C end of condenser 2, a lot of apertures by water-locator 23 flow out, be dispersed in uniformly on the water-cooling sheet group 24, after its surface forms water membrane, drop on again on the drip tray 25, get back to water leg 26 at last, enter the water inlet of cooling water pump 21 again by pipeline.7 variations in temperature automatic start-stop blower fans 28 according to cooling water of switch board, blower fan 28 starts a large amount of air in back through the fin slit of heat exchanger 3 and the windscreen 29 of unlatching, by the surface of groups of fins 24, accelerate the evaporation of moisture film, thereby reduce the cooling water water temperature fast fast.Form a cooling water recirculation system thus.

After media water pump 20 starts, current enter evaporimeter 4 by pipeline through the 4C of the 6th motor-driven valve 13, evaporimeter 4 end, flow into indoor air conditioner 39 by the 4D end by pipeline with the cold-producing medium heat exchange in the evaporimeter 4, after carrying out heat exchange with room air, be back to the water inlet of media water pump 20 again by pipeline, form the media water circulation system thus.

Switch board 7 is according to the capacity of the real-time adjustment compressor 1 of the temperature and pressure signal of first temp probe 30, second temp probe 31, the 3rd temp probe 32, the 4th temp probe 33, first pressure probe 37, second pressure probe, 38 feedbacks, reach add, the purpose of off-load.Switch board 7 can also be adjusted the frequency of cooling water pump 21 in real time according to the temperature signal of first temp probe 30, second temp probe, 31 feedbacks, reaches purpose of energy saving.

Media water circulation system, refrigerant loop flow process when (2) heating mode moves:

As shown in Figure 3, when this air conditioner started heating mode, switch board 7 was opened first motor-driven valve 8, the 3rd motor-driven valve 10, the 5th motor-driven valve 12, the 7th motor-driven valve 14.Close second motor-driven valve 9, the 4th motor-driven valve 11, the 6th motor-driven valve 13, the 8th motor-driven valve 15, windscreen 29.Cooling water recirculation system is closed, and media water circulation system, refrigerant circuit systems form the heating operation path.

Switch board 7 starts media water pump 20, behind the normal signal of discharge that detects first flow switch 35 feedbacks, start compressor 1, the high temperature and high pressure gas that compressor 1 is discharged passes through pipeline, the 3rd motor-driven valve 10, the 2A end of condenser 2 enters condenser 2, after carrying out heat exchange with media water in the condenser 2, condensation forms the liquid refrigerant of HTHP, enter restricting element 5 through the 2B of condenser 2 end by pipeline again, after restricting element 5 throttlings, form the liquid refrigerant of low-temp low-pressure, pass through pipeline, second check valve 17, enter heat exchanger 3 through the 3B of heat exchanger 3 end, effect and outdoor air by blower fan 28 carry out heat exchange, evaporation forms the gaseous refrigerant of low-temp low-pressure, pass through pipeline through the 3A of heat exchanger 3 end, first motor-driven valve 8 enters the 6A of fluid reservoir 6, the 6B end, be back to the air entry of compressor 1, cold-producing medium forms a complete closed circuit that heats thus.

Media water pump 20 starts the back current and enters condenser 2 by pipeline through the 2D of the 5th motor-driven valve 12, condenser 2 end, after carrying out heat exchange and enter indoor air conditioner 39 and carry out heat exchange with room air by 2C end, the 7th motor-driven valve 14 of condenser 2 with cold-producing medium in the condenser 2, be back to media water pump 20 by pipeline, form a media water circulation system thus.

Defrost function started back media water circulation system, refrigerant loop flow process when (3) heating mode moved:

As shown in Figure 4: when this air conditioner is in the heating mode operation, if outdoor environment temperature is lower, after operation a period of time, the surface of heat exchanger 3 can form one deck frost, when the frost layer reaches certain thickness, be installed in the signal feedback that the 5th temp probe 34 on the heat exchanger 3 will defrost and give switch board 7, switch board 7 is opened second motor-driven valve 9, the 6th motor-driven valve 13.Close the 3rd motor-driven valve 10, the 5th motor-driven valve 12, the 7th motor-driven valve 14.Media water enters the 4C end of evaporimeter 4 by pipeline, the 6th motor-driven valve 13 through media water pump 20, after carrying out heat exchange with cold-producing medium in the evaporimeter 4, enter indoor air conditioner 39 through the 4D of evaporimeter 4 end by pipeline, get back to media water pump 20 by pipeline again, form a defrost state media water circulation system thus.The high temperature and high pressure gaseous refrigerant that compressor 1 is discharged passes through pipeline, second motor-driven valve 9, the 3B end of heat exchanger 3 enters heat exchanger 3, carry out forming the liquid cold-producing medium of HTHP after the heat exchange with the frost layer, pass through pipeline through the 3A of heat exchanger 3 end, the 3rd check valve 18 enters the liquid refrigerant that forms low-temp low-pressure after restricting element 5 throttlings, again through the 4th motor-driven valve 11, the 4A end of evaporimeter 4 enters evaporimeter 4, after carrying out heat exchange with water in the evaporimeter 4, through the 4B of evaporimeter 4 end, the 6A end of fluid reservoir 6 enters fluid reservoir 6, enter the air entry of compressor 1 again through the 6B of fluid reservoir 6 end, form a complete defrost cycle thus.

When defrost process was finished, the 5th temp probe 34 was given switch board 7 with feedback information, and switch board 7 is opened the 3rd motor-driven valve 10, the 5th motor-driven valve 12, the 7th motor-driven valve 14 immediately.Close second motor-driven valve 9, the 4th motor-driven valve 11, the 6th motor-driven valve 13, this air conditioner turns back to heating operation pattern refrigerant circulation loop again.

(4) as shown in figure 10, switch board 7 in the control system is the control centre of this air conditioner, it links to each other with cooling water pump 21, blower fan 28, windscreen 29, the 8th motor-driven valve 15 in the cooling water system by lead 7F, according to the variation of temperature, pressure, the open and close of the frequency of real-time adjustment cooling water pump 21 and blower fan 28, windscreen 29, the 8th motor-driven valve 15; It links to each other with media water pump 20, the 5th motor-driven valve 12, the 6th motor-driven valve 13, the 7th motor-driven valve 14 in the media water system by lead 7F, except the open and close of control media water pump 20, also according to the open and close of real-time adjustment the 5th motor-driven valve 12 of the variation of refrigeration, heating mode, the 6th motor-driven valve 13, the 7th motor-driven valve 14; It is by the compressor 1 in lead 7F and the refrigerant loop, restricting element 5, first motor-driven valve 8, second motor-driven valve 9, the 3rd motor-driven valve 10, the 4th motor-driven valve 11 and first pressure probe 37, second pressure probe 38, first temp probe 30, second temp probe 31, the 3rd temp probe 32, the 4th temp probe 33, the 5th temp probe 34, first flow switch 35, second flow switch 36 links to each other, according to a plurality of pressure probes, temp probe, load and the startup of the adjustment compressor 1 that the feedback information of flow switch is real-time, stop, also according to refrigeration, heat, opening of a plurality of motor-driven valves adjusted in the variation of defrosting mode, close.

(5) day-to-day operation process:

When the user starts the operation of this air conditioner refrigeration, switch board 7 is opened the 3rd motor-driven valve 10, the 4th motor-driven valve 11, the 6th motor-driven valve 13, the 8th motor-driven valve 15, wind shelves 29, after closing first motor-driven valve 8, second motor-driven valve 9, the 5th motor-driven valve 12, the 7th motor-driven valve 14 simultaneously, start cooling water pump 21, media water pump 20.Switch board 7 starts compressor 1 after detecting the discharge normal signal of first flow switch 35, second flow switch 36 feedback, the high-temperature high-pressure refrigerant steam that compressor 1 is discharged enters condenser 2 and carries out heat exchange with cooling water, by the running that cooling water pump 21 does not stop, the heat that compressor 1 compression produces is discharged by the effect of water-locator 23, water-cooling sheet group 24, blower fan 28.The refrigerant vapour condensation that enters the HTHP of condenser 2 forms the liquid cold-producing medium of HTHP, enter evaporimeter 4 by restricting element 5 throttlings and carry out heat exchange with media water, the running that does not stop by media water pump 20, the cold that evaporimeter 4 evaporations are produced is delivered to indoor air conditioner 39, and carries out heat exchange by effect and the room air of blower fan.The gaseous refrigerant of the low-temp low-pressure that evaporation forms in evaporimeter 4 enters the air entry of compressor 1 by fluid reservoir 6, thus refrigerant circulation loop when forming the refrigeration mode operation.By the running that compressor 1, cooling water pump 21, blower fan 28, media water pump 20, indoor air conditioner 39 do not stop, reach the purpose of regulating indoor environment temperature.

When indoor temperature reduces, when the media coolant-temperature gage is down to design temperature, three-temperature sensor 32, the 4th temperature sensor 33 will be given switch board 7 into and out of the media coolant-temperature gage signal feedback of evaporimeter 4, switch board 7 control compressors 1 are off-load progressively, behind compressor 1 off-load, amount and the pressure of the cold-producing medium that compressor 1 is discharged all descend to some extent, and switch board 7 can also be according to the temperature of feedbacks such as first pressure probe 37, second pressure probe 38, first temp probe 30, second temp probe 31, the frequency that pressure information is adjusted cooling water pump 21.Media water water temperature is down to setting value when following, and switch board 7 stops compressor 1 and moves, and when the exhaust port pressure of compressor 1 was down to the normal pressure of cold-producing medium, switch board 7 stopped the operation of cooling water pump 21 and blower fan 28 immediately, reaches purpose of energy saving.

When detecting media water water temperature, the 4th temp probe 33 raises above after setting value, switch board 7 starts cooling water pump 21 and blower fan 28 operations again, after first flow switch 35 is given switch board 7 with the normal signal feedback of discharge, switch board 7 starts compressor 1 operation, so goes round and begins again and guarantees that media water water temperature is in the setting range all the time.

When the user started this air conditioner heating operation, cooling water recirculation system was out of service, and switch board 7 is opened first motor-driven valve 8, the 3rd motor-driven valve 10, the 5th motor-driven valve 12, the 7th motor-driven valve 14.Close second motor-driven valve 9, the 4th motor-driven valve 11, the 6th motor-driven valve 13, the 8th motor-driven valve 15, windscreen 29.Start media water pump 20, detect the discharge normal signal of second flow switch, 36 feedbacks when switch board 7 after, start the operation of compression 1 machine, the high temperature and high pressure gaseous refrigerant that compressor 1 is discharged enters condenser 2 and carries out heat exchange with media water, the running that does not stop by media water pump 20, to indoor air conditioner 39, effect and room air by blower fan carry out heat exchange with the heat delivery that produces.The gaseous refrigerant condensation of HTHP forms the liquid refrigerant of HTHP, form the liquid refrigerant of low-temp low-pressure through restricting element 5 throttlings, enter heat exchanger 3, effect and outdoor air by blower fan 28 carry out heat exchange, the liquid refrigerant evaporation of low-temp low-pressure forms the gaseous refrigerant of low-temp low-pressure, get back to the air entry of compressor 1 by fluid reservoir 6, refrigerant loop forms and heats closed circuit.

When indoor temperature raises, when the media coolant-temperature gage rises to design temperature, the 4th temperature sensor 33 is given switch board 7 with media coolant-temperature gage signal feedback, switch board 7 control compressors 1 are off-load progressively, behind compressor 1 off-load, pressure at expulsion and the capacity of cold-producing medium all decrease, and the power output of compressor also can reduce.When media water water temperature rises to setting value when above, switch board 7 stops compressor 1 operation, reduces when the 4th temp probe 33 detects media water water temperature, after setting value, switch board 7 starts compressor 1 operation again, so goes round and begins again and guarantees that media water is in the setting range all the time.

When this air conditioner is in the heating mode operation, if outdoor environment temperature is lower, after operation a period of time, the surface of heat exchanger 3 can form one deck frost, when the frost layer reaches certain thickness, the 5th temp probe 34 will defrost signal feedback to switch board 7, and switch board 7 is opened second motor-driven valve 9, the 4th motor-driven valve 11, the 6th motor-driven valve 13.Close first motor-driven valve 8, the 3rd motor-driven valve 10, the 5th motor-driven valve 12, the 7th motor-driven valve 14.The high temperature and high pressure gaseous refrigerant that compressor 1 is discharged enters heat exchanger 3 and carries out heat exchange with the frost layer, the frost layer on ablation heat interchanger 3 surfaces, form the liquid refrigerant of HTHP, enter evaporimeter 4 by the liquid refrigerant that forms low-temp low-pressure after restricting element 5 throttlings, after carrying out heat exchange with media water, the liquid refrigerant evaporation of low-temp low-pressure forms the gaseous refrigerant of low-temp low-pressure, get back to compressor 1 through fluid reservoir 6, thereby refrigerant circulation loop (defrost process only continues the very short time, can not cause very big influence to the media coolant-temperature gage) when forming a heating mode operation defrost function startup.After defrost process was finished, switch board 7 was opened first motor-driven valve 8, the 3rd motor-driven valve 10, the 5th motor-driven valve 12, the 7th motor-driven valve 14.Close second motor-driven valve 9, the 4th motor-driven valve 11, the 6th motor-driven valve 13, this air conditioner changes normal heating operation mode operation again over to.

Embodiment 2: utilize cold-producing medium as a kind of energy-conservation water-cooled air conditioner of medium to the hot and cold amount of indoor input.

The air conditioner that present embodiment provides is more energy-conservation more than 30% than traditional air-cooled heat-pump air-conditioner, its structure as shown in Figure 1, its operation logic such as Fig. 5, Fig. 6 are shown in Figure 7.

The utility model provides a kind of energy-conservation water-cooled air conditioner, and summer, refrigeration adopted the agent of water cooling mode cooling refrigeration, utilized winter the heat pump operation principle to heat.Mainly partly be made up of cooling tower part and equipment room, the equipment room part is linked to each other with lead by many pipelines between them in the bottom of cooling tower part (equipment room and cooling tower part also can be put side by side).This air conditioner is provided with cooling water, control, cold-producing medium circulation three big systems.Cooling tower part is identical with embodiment 1, and cooling water recirculation system is also identical with embodiment 1, and difference is that present embodiment does not have the media water circulation system, utilize cold-producing medium as medium to the hot and cold amount of indoor input.

Described cooling water recirculation system is identical with embodiment 1;

Be provided with switch board 7, compressor 1, condenser 2, restricting element 5, evaporimeter 4, fluid reservoir 6, cross valve 19, cooling water pump 21 and a plurality of motor-driven valve, check valve, pipeline etc. in the described equipment room part.Wherein: cooling water pump 21 is installed in the end near cooling tower bottom water leg 26; The front that condenser and compressor 1 are installed cooling water pump 21; Cross valve 19 is installed on the blast pipe of compressor 1, and fluid reservoir 6 is installed on the air intake duct of compressor 1; Switch board 7 is installed on the framed side wallboard of equipment room; Restricting element 5, first flow switch 35, a plurality of motor-driven valve, a plurality of pressure switch, a plurality of temperature controller are installed on the pipeline corresponding with their function.

In the described refrigerant circulation loop, be provided with compressor 1, restricting element 5, second motor-driven valve 9, the 3rd motor-driven valve 10, cross valve 19, indoor air conditioner 39, a plurality of motor-driven valves etc.;

In the described refrigerant circulation loop, the exhaust outlet of compressor 1 links to each other with the 19A end of cross valve 19 by pipeline, the 19B end of cross valve 19 links to each other with the 2A end of condenser 2 by pipeline, the 3rd motor-driven valve 10, the 2B end of condenser 2 links to each other with restricting element 5 by pipeline, restricting element 5 links to each other with indoor air conditioner 39 by pipeline, indoor air conditioner 39 links to each other with the 19D end of cross valve 19, the 19C end of cross valve 19 links to each other with the 6A end of fluid reservoir 6 by pipeline, and the 6B end links to each other with the air entry of compressor 1.The refrigerant circulation loop of forming a refrigeration mode thus;

In the described refrigerant circulation loop, the exhaust outlet of compressor 1 also links to each other with the 19A end of cross valve 19 by pipeline, the 19D end of cross valve 19 links to each other with indoor air conditioner 39 by pipeline, indoor air conditioner 39 links to each other with the 3B end of heat exchanger 3 by pipeline, restricting element 5, the 3A end of heat exchanger 3 links to each other with the 19B end of cross valve 19 by pipeline, second motor-driven valve 9, the 19C end of cross valve 19 links to each other with the 6A end of fluid reservoir 6 by pipeline, the 6B end links to each other with the air entry of compressor 1, forms the refrigerant circulation loop of a heating mode thus.

In the described refrigerant circulation loop, the exhaust outlet of compressor 1 also links to each other with the 19A end of cross valve 19 by pipeline, the 19B end of cross valve 19 links to each other with the 3A end of heat exchanger 3 by pipeline, second motor-driven valve 9, the 3B end of heat exchanger 3 links to each other with restricting element 5 by pipeline, restricting element 5 links to each other with indoor air conditioner 39 by pipeline, indoor air conditioner 39 links to each other with the 19D end of cross valve 19, the 19C end of cross valve 19 links to each other with the 6A end of fluid reservoir 6 by pipeline, and the 6B end links to each other with the air entry of compressor 1.Refrigerant circulation loop when forming a heating mode defrost function startup thus;

Described control system is that switch board 7 is the control centre of this air conditioner, it links to each other with compressor 1, restricting element 5, second motor-driven valve 9, the 3rd motor-driven valve 10, cross valve 19, cooling water pump 21, blower fan 28, windscreen 29, first flow switch 35, a plurality of motor-driven valve, a plurality of temperature sensor, a plurality of pressure sensor by lead 7F, control these parts open and close or startup, stop, forming the control system of this air conditioner thus.

Referring to Fig. 1 and Fig. 5, Fig. 6, Fig. 7, Figure 10, the A among Fig. 1, B, C, D point respectively with Fig. 5, Fig. 6, Fig. 7 in it corresponding A, B, C, D point link to each other.The course of work of the air conditioner that present embodiment 2 provides is as follows:

Cooling water, refrigerant loop flow process when (1) refrigeration mode moves:

As shown in Figure 5, when this air conditioner started the refrigeration mode operation, switch board 7 was opened the 3rd motor-driven valve 10, windscreen 29, closes second motor-driven valve 9, and cross valve 19 is in power failure state, 19A and 19B conducting, 19D and 19C conducting.Cooling water system, refrigerant circulation loop form path.

Cooling water recirculation system is identical with embodiment 1 refrigeration mode.

Switch board 7 starts cooling water pump 21, behind the normal signal of discharge that detects first flow switch 35 feedbacks, start compressor 1, the high temperature and high pressure gaseous refrigerant that compressor 1 is discharged holds the 19B end by cross valve 19 to pass through the 3rd motor-driven valve 10 by the 19A that pipeline enters cross valve 19, the 2A end of condenser 2 enters condenser 2, after carrying out heat exchange with cooling water in the condenser 2, condensation forms the liquid refrigerant of HTHP, enter restricting element 5 through the 2B of condenser 2 end by pipeline again, the liquid refrigerant that forms low-temp low-pressure after the throttling enters indoor air conditioner 39 by pipeline, after effect by blower fan and room air carry out heat exchange, the liquid refrigerant evaporation forms the gaseous refrigerant of low-temp low-pressure, the 19D end that enters cross valve 19 by pipeline enters the 6A end of fluid reservoir 6 by the 19C end of cross valve 19 again, enter the air entry of compressor 1 again through the 6B end, form a refrigeration mode running refrigerating agent closed circuit thus.

Refrigerant loop flow process when (2) heating mode moves:

As shown in Figure 6, when this air conditioner started the heating mode operation, cooling water system was out of service.Switch board 7 is opened second motor-driven valve 9, closes the 3rd motor-driven valve 10, windscreen 29, and cross valve 19 powers on, 19A and 19D conducting, and 19C and 19B conducting, refrigerant circuit systems forms the heating operation path.

Switch board 7 starts compressor 1, the high-temperature high-pressure refrigerant steam that compressor 1 is discharged passes through pipeline, the 19A end of cross valve 19 enters indoor air conditioner 39 by the 19D end of cross valve 19 by pipeline, effect and room air by blower fan carry out heat exchange, form the liquid refrigerant of HTHP, enter restricting element 5 by pipeline again, after restricting element 5 throttlings, form the liquid refrigerant of low-temp low-pressure, enter heat exchanger 3 by pipeline through the 3B of heat exchanger 3 end, effect and outdoor air by blower fan 28 carry out heat exchange, evaporation forms the gaseous refrigerant of low-temp low-pressure, pass through pipeline through the 3A end, the 19B that second motor-driven valve 9 enters cross valve 19 holds the 6A end that enters fluid reservoir 6 by the 19C end of cross valve 19, enter the air entry of compressor 1 again through the 6B of fluid reservoir 6 end, form a heating mode running refrigerating agent closed circuit thus.

(3) after defrost function starts during the heating operation mode operation, the flow process of refrigerant loop:

As shown in Figure 7: when this air conditioner is in the heating mode operation, if outdoor environment temperature is lower, after operation a period of time, the surface of heat exchanger 3 can form one deck frost, when the frost layer reaches certain thickness, the feedback information that the 5th temp probe 34 will defrost is given switch board 7, the blower fan of switch board 7 control indoor air conditioners 39 is out of service, cross valve 19 outages, 19A and 19B conducting, 19D and 19C conducting, refrigerant circuit systems forms the Defrost operation path.The high-temperature high-pressure refrigerant steam that compressor 1 is discharged passes through pipeline, the 19A end of cross valve 19 is by the 19B end of cross valve 19, second motor-driven valve 9, the 3B end of heat exchanger 3 enters heat exchanger 3, carry out forming the liquid cold-producing medium of HTHP after the heat exchange with the frost layer, enter the liquid refrigerant that restricting element 5 throttlings form low-temp low-pressure through the 3A of heat exchanger 3 end by pipeline, so by pipeline enter indoor air conditioner 39(since this moment indoor air conditioner 39 blower fan be in halted state and can not take cold to room), the liquid refrigerant evaporation forms the gaseous refrigerant of low-temp low-pressure, the 19D end that enters cross valve 19 by pipeline enters the 6A end of fluid reservoir 6 by the 19C end of cross valve 19 again, enter the air entry of compressor 1 again through 6B end, refrigerant circulation loop when forming a complete defrost function thus and starting.When defrost process was finished, the 5th temp probe 34 was given switch board 7 with feedback information, and switch board 7 powers on for immediately cross valve 19, turns back to the circular flow pattern that heats.

(4) control principle of the control system of this air conditioner is identical with embodiment 1, has just reduced the part parts of chilled-water system, has increased the control to cross valve 19, adjusts refrigeration, heats, the variation of defrosting mode.

(5) day-to-day operation process:

When the user starts the operation of this air conditioner refrigeration, switch board 7 is opened the 3rd motor-driven valve 10, wind shelves 29, close second motor-driven valve 9, the power supply of cross valve 19 is in off-state, start cooling water pump 21, detect the discharge normal signal of first flow switch 35 feedbacks when switch board 7 after, start compressor 1, the high-temperature high-pressure refrigerant steam that compressor 1 is discharged enters condenser 2 by cross valve 19 and carries out heat exchange with cooling water, the running that does not stop by cooling water pump 21, with the heat that produces by being installed in the water-locator 23 on the cooling tower, water-cooling sheet group 24, the effect of blower fan 28 is discharged.The refrigerant vapour condensation of HTHP forms the liquid cold-producing medium of HTHP, enter indoor air conditioner 39 by restricting element 5 throttlings, and carry out heat exchange by effect and the room air of blower fan, evaporation forms the gaseous refrigerant of low-temp low-pressure, enter the air entry of compressor 1 by cross valve 19, fluid reservoir 6, thereby form the cold-producing medium cooling cycle system.By the running that compressor 1, cooling water pump 21, blower fan 28, indoor air conditioner 39 do not stop, reach the purpose of regulating indoor environment temperature.

When indoor temperature is reduced to design temperature, switch board 7 control compressors 1 are off-load progressively, behind compressor 1 off-load, pressure at expulsion and the capacity of cold-producing medium all decrease, and switch board 7 can also be according to the temperature of feedbacks such as first pressure probe 37, second pressure probe 38, first temp probe 30, second temp probe 31, the frequency that pressure information is adjusted cooling water pump 21.When indoor temperature is down to setting value when following, switch board 7 stops compressor 1 and moves, and when compressor 1 exhaust port pressure was down to the normal pressure of cold-producing medium, switch board 7 stopped the operation of cooling water pump 21 and blower fan 28 immediately, reaches purpose of energy saving.

After indoor temperature raises above setting value, switch board 7 starts cooling water pump 21 and blower fan 28 operations again, after first flow switch 35 was given switch board 7 with the normal signal feedback of discharge, switch board 7 started compressor 1 operation, so goes round and begins again and guarantees that indoor temperature is in the setting range.

When the user started this air conditioner heating operation, cooling water recirculation system was out of service, and switch board 7 is opened second motor-driven valve 9, closed the 3rd motor-driven valve 10, windscreen 29, and control cross valve 19 powers on 19A and 19D conducting, 19B and 19C conducting.Switch board 7 starts compressors 1 operation, and the high temperature and high pressure gaseous refrigerant that compressor 1 is discharged enters indoor air conditioner 39, and effect and room air by blower fan carry out heat exchange.The gaseous refrigerant condensation of HTHP forms the liquid refrigerant of HTHP, form the liquid refrigerant of low-temp low-pressure through restricting element 5 throttlings, enter heat exchanger 3, effect and outdoor air by blower fan 28 carry out heat exchange, the liquid refrigerant evaporation of low-temp low-pressure forms the gaseous refrigerant of low-temp low-pressure, get back to the air entry of compressor 1 by cross valve 19, fluid reservoir 6, refrigerant loop forms and heats closed circuit.

When indoor temperature was increased to design temperature, switch board 7 control compressors 1 are off-load progressively, and behind compressor 1 off-load, pressure at expulsion and the capacity of cold-producing medium all decrease, and the power output of compressor also can reduce.When indoor temperature rises to setting value when above, switch board 7 stops compressor 1 operation.After indoor temperature reduced above setting value, switch board 7 started compressor 1 operation again, so goes round and begins again and guarantees that indoor temperature is in the setting range all the time.

When this air conditioner is in the heating mode operation, if outdoor environment temperature is lower, after operation a period of time, the surface of heat exchanger 3 can form one deck frost, when the frost layer reaches certain thickness, the 5th temp probe 34 will defrost signal feedback to switch board 7, switch board 7 disconnects the power supply of cross valve 19, the blower fan of indoor air conditioner 39 is out of service, the high temperature and high pressure gaseous refrigerant that compressor 1 is discharged enters heat exchanger 3 and carries out heat exchange with the frost layer, the frost layer on ablation heat interchanger 3 surfaces, condensation of refrigerant forms the liquid refrigerant of HTHP, enter indoor air conditioner 39 by the liquid refrigerant that forms low-temp low-pressure after restricting element 5 throttlings, the liquid refrigerant evaporation of low-temp low-pressure forms the gaseous refrigerant of low-temp low-pressure, through cross valve 19, fluid reservoir 6 is got back to compressor 1, thus refrigerant circulation loop (defrost process only continues time a few minutes, can not cause very big influence to indoor temperature) when forming heating mode operation defrost function and starting.Switch board 7 each parts of control after defrost process is finished, this air conditioner changes normal heating operation mode operation again over to.

Embodiment 3: the effective combination of cooling tower and refrigeration host computer, the single cold air conditioner of the integral type of composition.

The air conditioner that present embodiment provides is higher than traditional comprehensive Energy Efficiency Ratio of water-cooled central air conditioning, and it is about more than 30% to save the equipment initial investment, and can save a large amount of equipment places.Its structure as shown in Figure 8, its operation logic is as shown in Figure 9.

Present embodiment provides cooling tower and the effective combination of refrigeration host computer, and single cold this air conditioner of air conditioner of the integral type of composition mainly partly is made up of cooling tower part and equipment room, is provided with cooling water circulation, the circulation of media water, the big system of refrigerant loop.Be applicable to the occasion that does not need air-conditioning to heat.The equipment room part is linked to each other with lead by many pipelines between them in the bottom of cooling tower part.

Described cooling tower partly is provided with water distributor 22, water-locator 23, water-cooling sheet group 24, drip tray 25, water leg 26, blower fan 28 etc.; Wherein: blower fan 28, water-locator 23 are installed in the top of cooling tower, and water-cooling sheet group 24 is installed in the side of cooling tower, and drip tray 25, water leg 26 are installed in the inside of cooling tower.

Be provided with switch board 7, compressor 1, condenser 2, restricting element 5, evaporimeter 4, fluid reservoir 6, media water pump 20, cooling water pump 21, pipeline etc. in the described equipment room part.Wherein: media water pump 20, cooling water pump 21 are installed in the end near cooling tower bottom water leg 26; Be condenser, the evaporimeter of installing side by side afterwards and be installed in compressor 1 above them; Fluid reservoir 6 is installed on the air intake duct of compressor 1; Switch board 7 is installed on the framed side wallboard of equipment room; Restricting element 5, a plurality of flow switch, a plurality of pressure switch, a plurality of temperature controller are installed on the pipeline corresponding with their function.

Described cooling water recirculation system is provided with cooling water pump 21 and condenser 2, water distributor 22, water-locator 23, water-cooling sheet group 24, drip tray 25, water leg 26 etc.;

Described media water circulation system is provided with media water pump 20, evaporimeter 4, extends to indoor water-in and water-out pipeline etc.;

Described refrigerant circulation loop is provided with compressor 1, condenser 2, restricting element 5, evaporimeter 4, fluid reservoir 6 etc.;

Described control system is that switch board 7 is the control centre of this air conditioner, it links to each other with compressor 1, media water pump 20, cooling water pump 21, blower fan 28, restricting element 5, a plurality of flow switch, a plurality of temperature sensor, a plurality of pressure sensor by lead 7F, control these parts open and close or startup, stop.

In the described cooling water recirculation system, the delivery port of cooling water pump 21 links to each other with the 2D end of condenser 2 by pipeline, the 2C end links to each other with water-locator 23 by pipeline, water distributor 22, water-locator 23 links to each other with water-cooling sheet group 24, drip tray 25, drip tray 25 links to each other with water leg 26, the delivery port of water leg 26 (the C point among Fig. 1) links to each other with the water inlet of cooling water pump 21, forms cooling water recirculation system thus.

In the described media water circulation system, the delivery port of media water pump 20 links to each other with the 4C end of evaporimeter 4 by pipeline, the 4D of evaporimeter 4 end with extend to indoor air-conditioning water inlet pipe and link to each other, linked to each other with the water inlet of media water pump 20 by indoor air-conditioning outlet pipe of drawing, form the media water circulation system thus;

Described refrigerant circulation loop, the exhaust outlet of compressor 1 links to each other with the 2A end of condenser 2 by pipeline, the 2B end of condenser 2 links to each other with restricting element 5 by pipeline, restricting element 5 links to each other with the 4A end of evaporimeter 4 by pipeline, the 4B end of evaporimeter 4 links to each other by the air entry of pipeline with compressor 1, forms refrigerant circulation loop thus.

Referring to Fig. 8, Fig. 9, the C among Fig. 9, D point respectively with Fig. 8 in corresponding C, D point link to each other.The course of work of the device that present embodiment 3 provides is as follows:

(1) refrigerant loop flow process during this operation of air-conditioner:

As shown in Figure 9, when this air conditioner starts operation, switch board 7 starts media water pump 20, cooling water pump 21, when detecting first flow switch 35, behind the normal signal of discharge of second flow switch, 36 feedbacks, start compressor 1, the high temperature and high pressure gas that compressor 1 is discharged passes through pipeline, the 2A end of condenser 2 enters condenser 2, after carrying out heat exchange with cooling water in the condenser, condensation forms the liquid refrigerant of HTHP, enter restricting element 5 through the 2B of condenser 2 end by pipeline again, the liquid refrigerant that forms low-temp low-pressure after the throttling passes through pipeline, the 4A end of evaporimeter 4 enters evaporimeter 4 and carries out heat exchange with the media water circulation in the evaporimeter 4, the liquid refrigerant evaporation forms the gaseous refrigerant of low-temp low-pressure, 4B by evaporimeter 4 holds the air entry that enters compressor 1 by pipeline again, forms a refrigerant circulation loop thus.

(2) cooling water recirculation system flow process during this operation of air-conditioner:

After cooling water pump 21 starts, cooling water enters condenser 2 by the 2D end that pipeline enters condenser 2, enter water-locator 23 through the 2C end by pipeline, water distributor 22, a lot of apertures by water-locator 23 flow out, be dispersed in uniformly on the water-cooling sheet group 24, form water membrane and drop on again on the drip tray 25, get back to water leg 26 at last, enter the water inlet of cooling water pump 21 again by pipeline.7 variations in temperature according to cooling water of switch board open automatically, blowing-out machine 28, and air enters the water evaporation on the cooling tower quickening fin through the fin slit, reduce the cooling water water temperature, forms a cooling water recirculation system.

(3) media water circulation system flow process during this operation of air-conditioner:

After media water pump 20 started, current entered evaporimeter 4 by pipeline through the 4C of evaporimeter 4 end, flowed into indoor air conditioner 39 through the 4D of evaporimeter 4 end by pipeline, were back to the water inlet of media water pump 20 again by pipeline, formed the media water circulation system.

(4) control principle of the control system of this air conditioner is identical with embodiment 1, has just reduced the control to a plurality of motor-driven valves and portion temperature probe.

(5) day-to-day operation process:

When the user starts this operation of air-conditioner, switch board 7 starts cooling water pump 21, media water pump 20, start compressor 1 after detecting the discharge normal signal of first flow switch 35, second flow switch 36 feedback, the high-temperature high-pressure refrigerant steam that compressor 1 is discharged enters condenser 2 and carries out heat exchange with cooling water, the effect of water-locator 23 by the cooling tower part of the heat that produces, water-cooling sheet group 24, blower fan 28 is discharged in the running that does not stop by cooling water pump 21.The condensation in condenser 2 of the refrigerant vapour of HTHP forms the liquid cold-producing medium of HTHP, enter evaporimeter 4 by restricting element 5 throttlings and carry out heat exchange with media water, the running that does not stop by media water pump 20, the cold that evaporimeter 4 evaporations are produced is delivered to indoor air conditioner 39, and carries out heat exchange by effect and the room air of blower fan.The gaseous refrigerant of low-temp low-pressure is got back to the air entry of compressor 1 again, thereby forms refrigerant-cycle systems.By the running that compressor 1, cooling water pump 21, blower fan 28, media water pump 20, indoor air conditioner 39 do not stop, reach the purpose of regulating indoor environment temperature.

When indoor temperature reduces, when the media coolant-temperature gage is down to design temperature, three-temperature sensor 32, the 4th temperature sensor 33 will be given switch board 7 into and out of the media coolant-temperature gage signal feedback of evaporimeter 4, switch board 7 control compressors 1 are off-load progressively, behind compressor 1 off-load, pressure at expulsion and the capacity of cold-producing medium all decrease, switch board 7 can reach purpose of energy saving according to the temperature of feedbacks such as first pressure probe 37, second pressure probe 38, first temp probe 30, second temp probe 31, the frequency that pressure information is adjusted cooling water pump 21.

Be down to setting value when following when media water water temperature, switch board 7 stops the operation of compressor 1, and when compressor 1 exhaust port pressure was down to normal pressure after the shutdown, switch board 7 stopped the operation of cooling water pump 21 and blower fan 28 immediately, reaches purpose of energy saving.

Claims

1. energy-conservation water-cooled air conditioner, it is characterized in that mainly partly being formed by cooling tower part and equipment room, cooling tower partly is positioned at the top of equipment room part, perhaps put side by side, wherein: described cooling tower partly comprises cooling tower, water distributor (22), water-locator (23), water-cooling sheet group (24), drip tray (25), heat exchanger (3), windscreen (29) and pipeline; Described cooling tower, water leg (26) is equipped with in one bottom portion, and blower fan (28) is equipped with at its top, and its side is equipped with heat exchanger (3), windscreen (29) is installed below the heat exchanger (3); Be provided with switch board (7), compressor (1), condenser (2), restricting element (5), evaporimeter (4), media water pump (20), cooling water pump (21) and pipeline in the described equipment room part.

2. energy-conservation water-cooled air conditioner according to claim 1, it is characterized in that this air conditioner is provided with cooling circulating water system, media circulation, refrigerant loop and control system, wherein: in process of refrigerastion, utilize the water cooling cold-producing medium, heat and utilize the cold-producing medium evaporation to absorb airborne heat in the process; This air conditioner recirculated water that utilizes the medium is imported hot and cold amount as medium to indoor air conditioner, perhaps utilizes cold-producing medium to import hot and cold amount as medium to indoor air conditioner.

3. energy-conservation water-cooled air conditioner according to claim 2, it is characterized in that described cooling circulating water system is mainly by cooling water pump (21) and condenser (2), cooling tower is formed, wherein: the delivery port of cooling water pump (21) links to each other with (2D) end of condenser (2) by pipeline, (2C) end of condenser (2) passes through pipeline, water distributor (22) links to each other with water-locator (23), water-locator (23) and water-cooling sheet group (24), drip tray (25) links to each other, drip tray (25) links to each other with water leg (26), and the delivery port of water leg (26) links to each other with the water inlet of cooling water pump (21).

4. energy-conservation water-cooled air conditioner according to claim 2, it is characterized in that described media circulation comprises media water pump (20) and condenser (2), evaporimeter (4), wherein: the delivery port of media water pump (20) links to each other with (4C) end of evaporimeter (4) by pipeline, (4D) end of evaporimeter (4) links to each other with the water inlet pipe that leads to indoor air conditioner by pipeline, the outlet pipe of being drawn by indoor air conditioner links to each other with the water inlet of media water pump (20), the media circulation when forming refrigeration mode; The delivery port of media water pump (20) also links to each other with (2D) end of condenser (2) by pipeline, (2C) end of condenser (2) links to each other with the water inlet pipe that leads to indoor air conditioner by pipeline, the outlet pipe of being drawn by indoor air conditioner links to each other with the water inlet of media water pump (20), the media circulation when forming heating mode.

5. energy-conservation water-cooled air conditioner according to claim 2, it is characterized in that described refrigerant loop is mainly by compressor (1) and condenser (2), restricting element (5), evaporimeter (4), heat exchanger (3), a plurality of motor-driven valves, a plurality of check valves are formed, wherein: the exhaust outlet of compressor (1) passes through pipeline, the 3rd motor-driven valve (10) links to each other with (2A) end of condenser (2), (2B) end of condenser (2) links to each other with restricting element (5) by pipeline, restricting element (5) passes through pipeline, the 4th motor-driven valve (11) links to each other with (4A) end of evaporimeter (4) again, (4B) end of evaporimeter (4) links to each other by the air entry of pipeline with compressor (1), forms the refrigerant circulation loop of a refrigeration mode thus; The exhaust outlet of compressor (1) also links to each other with (2A) end of condenser (2) by pipeline, the 3rd motor-driven valve (10), (2B) end of condenser (2) links to each other with restricting element (5) by pipeline, restricting element (5) links to each other with (3B) end of heat exchanger (3) by pipeline, second check valve (17), (3A) end of heat exchanger (3) links to each other with the air entry of compressor (1) by pipeline, first motor-driven valve (8), forms the refrigerant circulation loop of a heating mode thus.

6. energy-conservation water-cooled air conditioner according to claim 2, it is characterized in that described control system is switch board (7), it links to each other with compressor (1), media water pump (20), cooling water pump (21), blower fan (28), windscreen (29), restricting element (5), a plurality of motor-driven valve, a plurality of flow switch, a plurality of temperature sensor, a plurality of pressure sensor by lead, control these parts open and close or startup, stop.

7. energy-conservation water-cooled air conditioner according to claim 1, it is characterized in that when energy-conservation water cooling heat pump air conditioner is made up of a plurality of refrigerant loops, the blower fan (28) that is installed in the cooling tower top also has a plurality of, air channel dividing plate (27) is set, to occur string wind phenomenon between the blower fan that prevents from stopping and moving between the blower fan of each refrigerant loop (28).

8. energy-conservation water-cooled air conditioner according to claim 2, it is characterized in that cancelling described media circulating water unify media water pump (20), evaporimeter (4), flow switch (36), a plurality of motor-driven valve, a plurality of temperature sensor in this system, increase cross valve (19), utilized cold-producing medium to import hot and cold amount as medium to indoor air conditioner; In this refrigerant loop, the exhaust outlet of compressor (1) links to each other with (19A) end of cross valve (19) by pipeline, (19B) end of cross valve (19) passes through pipeline, the 3rd motor-driven valve (10) links to each other with (2A) end of condenser (2), (2B) end of condenser (2) links to each other with restricting element (5) by pipeline, restricting element (5) links to each other with indoor air conditioner (39) by pipeline, indoor air conditioner (39) links to each other with (19D) end of cross valve (19), (19C) end of cross valve (19) links to each other with (6A) end of fluid reservoir (6) by pipeline, (6B) end of fluid reservoir (6) links to each other with the air entry of compressor (1), forms the refrigerant circulation loop of a refrigeration mode thus; In this refrigerant loop, the exhaust outlet of compressor (1) also links to each other with (19A) end of cross valve (19) by pipeline, (19D) end of cross valve (19) links to each other with indoor air conditioner (39) by pipeline, indoor air conditioner (39) passes through pipeline, restricting element (5) links to each other with (3B) end of heat exchanger (3), (3A) end of heat exchanger (3) passes through pipeline, second motor-driven valve (9) links to each other with (19B) end of cross valve (19), (19C) end of cross valve (19) links to each other with (6A) end of fluid reservoir (6) by pipeline, (6B) end of fluid reservoir (6) links to each other with the air entry of compressor (1), forms the refrigerant loop of a heating mode thus.

9. energy-conservation water-cooled air conditioner according to claim 1, it is characterized in that reducing heat exchanger (3), fluid reservoir (6), windscreen (29), air channel dividing plate (27) and a plurality of motor-driven valve, check valve, described energy-conservation water-cooled air conditioner only has refrigerating function thus.

10. energy-conservation water-cooled air conditioner according to claim 9, the equipment room that it is characterized in that being positioned at below the cooling tower is provided with switch board (7), compressor (1), condenser (2), restricting element (5), evaporimeter (4), media water pump (20), cooling water pump (21), pipeline, wherein: the delivery port of cooling water pump (21) links to each other with (2D) end of condenser (2) by pipeline, (2C) end of condenser (2) passes through pipeline, water distributor (22) links to each other with water-locator (23), water-locator (23) and water-cooling sheet group (24), drip tray (25) links to each other, drip tray (25) links to each other with water leg (26), the delivery port of water leg (26) links to each other with the water inlet of cooling water pump (21), forms cooling water recirculation system; The delivery port of media water pump (20) links to each other with (4C) end of evaporimeter (4) by pipeline, (4D) end of evaporimeter (4) links to each other with the water inlet pipe that leads to indoor air conditioner by pipeline, the outlet pipe of being drawn by indoor air conditioner links to each other with the water inlet of media water pump (20), forms the media circulation; The exhaust outlet of compressor (1) links to each other with (2A) end of condenser (2) by pipeline, (2B) end of condenser (2) links to each other with restricting element (5) by pipeline, restricting element (5) links to each other with (4A) end of evaporimeter (4) by pipeline, (4B) end of evaporimeter (4) links to each other by the air entry of pipeline with compressor (1), forms refrigerant circulation loop; Switch board (7) links to each other with compressor (1), media water pump (20), cooling water pump (21), blower fan (28), restricting element (5), a plurality of flow switch, a plurality of temperature sensor, a plurality of pressure sensor by lead, control these parts open and close or startup, stop.