CN107101297A - Utilize the central air-conditioning system of air energy, geothermal energy and solar energy - Google Patents

Utilize the central air-conditioning system of air energy, geothermal energy and solar energy Download PDF

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Publication number
CN107101297A
CN107101297A CN201710240028.6A CN201710240028A CN107101297A CN 107101297 A CN107101297 A CN 107101297A CN 201710240028 A CN201710240028 A CN 201710240028A CN 107101297 A CN107101297 A CN 107101297A
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China
Prior art keywords
air
water
water pipe
cooling
conditioning system
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Granted
Application number
CN201710240028.6A
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Chinese (zh)
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CN107101297B (en
Inventor
黄翔
郭志成
杨立然
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ONOFF ELECTRIC Co.,Ltd.
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Xian Polytechnic University
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Priority to CN201710240028.6A priority Critical patent/CN107101297B/en
Publication of CN107101297A publication Critical patent/CN107101297A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0057Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a closed circuit in the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/40Geothermal heat-pumps

Abstract

The central air-conditioning system of utilization air energy disclosed by the invention, geothermal energy and solar energy, include the supply integrated system of the Cooling and Heat Source linked together and the indirect direct evaporative cooling air conditioner group of external-cooling type dew point, the indirect direct evaporative cooling air conditioner group of external-cooling type dew point is connected with diffusing unit a, the diffusing unit b set in room respectively, and diffusing unit a is located in the furred ceiling layer in room, diffusing unit b is located in room at ceiling.The central air-conditioning system of the present invention, makes full use of three kinds of renewable natural environment low-grade energies of cleaning to realize cooling, heat supply and ventilation, can not only effectively reduce the operation energy consumption of air-conditioning system, moreover it is possible to improve the stability of air-conditioning system operation.

Description

Utilize the central air-conditioning system of air energy, geothermal energy and solar energy
Technical field
The invention belongs to air-conditioning system technical field, and in particular to the collection of a kind of utilization air energy, geothermal energy and solar energy Chinese style air-conditioning system.
Background technology
Now, Chinese Urbanization development speed is very fast, and air conditioning area is wide, also has corresponding lifting to comfortableness requirement, Air-conditioning system operation energy consumption is caused to sharply increase.
Existing tradition machinery formula refrigerated air-conditioning system can consume substantial amounts of high-grade energy in the process of running, and pair can The natural environment low-grade energy source utilization rate of regeneration is low.With social development, tradition machinery formula refrigerated air-conditioning system is saved with country Energy environmental strategy and the strategy of sustainable development run in the opposite direction.Natural environment low-grade energy how is made full use of to reduce air-conditioning system Energy consumption is the focus and emphasis of Recent study.
The content of the invention
It is an object of the invention to provide the central air-conditioning system of a kind of utilization air energy, geothermal energy and solar energy, fill Divide and realize cooling, heat supply and ventilation using three kinds of renewable natural environment low-grade energies of cleaning, can not only effectively reduce sky The operation energy consumption of adjusting system, moreover it is possible to improve the stability of air-conditioning system operation.
The technical solution adopted in the present invention is to utilize the central air-conditioning system of air energy, geothermal energy and solar energy, bag The supply integrated system of the Cooling and Heat Source linked together and external-cooling type dew point evaporative cooling air-conditioner set are included, outside Cold type dew point evaporative cooling air-conditioner set is connected with diffusing unit a, the diffusing unit b set in room respectively, and Diffusing unit a is located in the furred ceiling layer in room, and diffusing unit b is located in room at ceiling.
The features of the present invention is also resided in:
The present invention utilizes the central air-conditioning system of air energy, geothermal energy and solar energy, in addition to is arranged at room wall On ventilation window, and air exhausting device is provided with ventilation window.
The supply integrated system of Cooling and Heat Source, the underground pipe heat exchange being connected by Cooling and Heat Source computer room and respectively with Cooling and Heat Source computer room Device, solar thermal collector are constituted;Cooling and Heat Source computer room is connected with external-cooling type dew point evaporative cooling air-conditioner set.
Cooling and Heat Source computer room, includes room body, and sets in room body solar water unit, underground pipe respectively Earth source heat pump unit and constant pressure water compensation apparatus;Closed-loop ground source heat pump unit is followed by geographical side circulating water pipe a, geographical side respectively Ring water pipe b connects and composes circulation loop with ground heat exchanger;Solar water unit passes through the first water pipe, the second water pipe respectively Circulation loop is connected and composed with solar thermal collector, the second water pipe is connected by the 4th water pipe with constant pressure water compensation apparatus, solar energy Hot water units also pass sequentially through the 3rd water pipe, feed pipe and external-cooling type dew point evaporative cooling air-conditioner set and connected, the Three water pipes are connected by the 5th water pipe with closed-loop ground source heat pump unit;Closed-loop ground source heat pump unit passes sequentially through the 6th water Pipe, the 7th water pipe are connected with the 4th water pipe, and the connectivity part of the 6th water pipe and the 7th water pipe passes through between return pipe and external-cooling type dew point Connect-direct evaporative cooling air conditioner group connection.
Geographical side water circulating pump and geographical side hydrotreater are respectively arranged with geographical side circulating water pipe a;On second water pipe It is respectively arranged with water circulating pump and hydrotreater;Valve b is provided with 3rd water pipe;Valve d is provided with 4th water pipe;5th Valve a is provided with water pipe;Air-conditioning side water circulating pump, air-conditioning side hydrotreater are respectively arranged with 6th water pipe;7th water pipe On be provided with valve c.
External-cooling type dew point evaporative cooling air-conditioner set, includes machine unit shell, the relative both sides of machine unit shell Fresh wind port, air outlet are respectively arranged with wall, air outlet is connected by ajutage with diffusing unit b;According to sky in machine unit shell Gas into rear flow direction be disposed with new wind filter, dew point indirect evaporative cooler, filler levels, Biao Lengqi heaters and pressure fan, and form between new wind filter and dew point indirect evaporative cooler new return air mixing chamber, It is provided with return air inlet on the new corresponding machine unit shell roof in return air mixing chamber top, the corresponding unit shell in new return air mixing chamber bottom Body bottom, which is provided with above exhaust outlet, dew point indirect evaporative cooler on corresponding machine unit shell roof, is provided with auxiliary air row Air port, auxiliary air exhaust outlet is connected by auxiliary air ajutage with diffusing unit a;Surface cooler heater respectively with water supply Pipe, return pipe connection, surface cooler heater be also connected with condensate pipe.
Diffusing unit a is blown and dissipated by the first air supply line and multiple auxiliary airs being uniformly arranged on the first air supply line Head piece is constituted, and the first air supply line is connected with auxiliary air ajutage;Diffusing unit b is by the second air supply line and multiple uniform The air-supply diffusing mouthful being arranged on the second air supply line is constituted, and the second air supply line is connected with ajutage.
New air-valve is provided with fresh wind port;Blow valve is provided with air outlet;It is provided with auxiliary air exhaust outlet secondary Air exhaust valve;Pressure fan uses suction-type frequency conversion fan.
Dew point indirect evaporative cooler, include cross flow heat exchange core body, and cross flow heat exchange core body is sequentially arranged above Have and be provided with header tank a below water-locator a, water fender a, cross flow heat exchange core body, water-locator a is by water pipe a with catchmenting Immersible pump a, water filter a and valve e, and immersible pump a and the equal positions of water filter a are respectively arranged with case a connections, water pipe a In in header tank a;Ball-cock assembly a is provided with header tank a, header tank a is also associated with filling pipe a.
Filler levels, include filler, and filler has been sequentially arranged above water-locator b, water fender b, Header tank b is provided with below filler, water-locator b is connected by water pipe b with header tank b, is respectively arranged with water pipe b latent Water pump b, water filter b and valve f, and immersible pump b and water filter b be respectively positioned in header tank b;
Ball-cock assembly b is provided with header tank b, header tank b is also associated with filling pipe b.
The beneficial effects of the present invention are:
(1) central air-conditioning system of the invention, evaporation cooling technique, closed-loop ground source heat pump technology and solar energy are supplied Thermal technology three is coupled, and cold/heat source is the renewable natural environment low-grade energy of cleaning of health, realizes dry air Energy, geothermal energy and the solar energy three energy are complementary;Compared with traditional central air-conditioning system, tradition machinery is not used to freeze, The Energy Efficiency Ratio of system is high, and initial cost and operating cost are low, and air conditioning energy consumption can be reduced from root.
(2) it is provided with external-cooling type dew point evaporative cooling air conditioner in the central air-conditioning system of the present invention Group;Dew point indirect evaporative cooler therein uses cross flow heat exchange core body, the compact conformation and occupation of land sky of whole air-conditioner set Between it is small, can be cooled to processed air etc. is wet below its wet-bulb temperature, compared with general indirect evaporation cooler, break and located Reason air can only wait the wet limitation for being cooled to its wet-bulb temperature, the temperature of processed air is approached the dew point temperature of its air intake Degree, gives full play to the cooling potentiality of evaporation cooling technique.
(3) central air-conditioning system of the invention, also by the auxiliary air drained originally in dew point indirect evaporative cooler Introduce in room in furred ceiling layer, the high sensible heat produced during for eliminating lamp lighting at furred ceiling layer is prevented effectively from the waste of energy.
(4) in central air-conditioning system of the invention, external-cooling type dew point evaporative cooling air-conditioner set can be effective Part refrigeration duty is undertaken, solar water unit can effectively undertake part heat load, so as to reduce burying for closed-loop ground source heat pump Pipe quantity, solves the problem of high many caused initial costs of cold and hot uneven, pipe laying quantity and complicated operational management, and can effectively change The problem of kind closed-loop ground source heat pump unit is individually declined using Energy Efficiency Ratio for a long time, can significantly improve the reliable of air-conditioning system operation Property.
Brief description of the drawings
Fig. 1 is the structural representation of central air-conditioning system of the present invention;
Fig. 2 is the structural representation of the supply integrated system of Cooling and Heat Source in central air-conditioning system of the present invention;
Fig. 3 is the structure of external-cooling type dew point evaporative cooling air-conditioner set in central air-conditioning system of the present invention Schematic diagram.
In figure, 1. Cooling and Heat Source computer rooms, 2. closed-loop ground source heat pump units, 3. ground heat exchangers, 4. geographical side recirculated waters Pipe a, 5. geographical side water circulating pumps, 6. geographical side hydrotreaters, 7. air-conditioning side water circulating pumps, 8. air-conditioning side hydrotreaters, 9. machines Room body, 10. valve a, 11. solar water units, 12. solar thermal collectors, 13. water circulating pumps, 14. hydrotreaters, 15. Between valve b, 16. feed pipes, 17. return pipes, 18. constant pressure water compensation apparatus, 19. valve c, 20. valve d, 21. external-cooling type dew points Connect-direct evaporative cooling air conditioner group, 22. ventilation windows, 23. fresh wind ports, 24. new air-valves, 25. new wind filters, 26. new return air Mixing chamber, 27. return air inlets, 28. exhaust outlets, 29. geographical side circulating water pipe b, 30. cross flow heat exchange core bodies, 31. water-locator a, 32. water fender a, 33. auxiliary air exhaust outlets, 34. auxiliary air exhaust valves, 35. auxiliary air ajutages, 36. header tank a, 37. filling pipe a, 38. ball-cock assembly a, 39. immersible pump a, 40. water filter a, 41. valve e, 42. water pipe a, 43. unit shells Body, 44. fillers, 45. water-locator b, 46. header tank b, 47. ball-cock assembly b, 48. filling pipe b, 49. water filter b, 50. immersible pumps The valve of b, 51. water fender b, 52. f, 53. water pipe b, 54. surface coolers heater, 55. condensate pipes, 56. pressure fan, 57. send Air port, 58. blow valves, 59. ajutages, 60. auxiliary airs air-supply diffusing mouthful, 61. air-supply diffusings mouthful, 62. furred ceilings layer, 63. rows Wind device, rooms 64., 65. diffusing unit a, 66. first water pipe of diffusing unit b, G1., the water pipes of G2. second, the water pipes of G3. the 3rd, G4. the 4th water pipe, the water pipes of G5. the 5th, the water pipes of G6. the 6th, the water pipes of G7. the 7th.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The present invention utilizes the central air-conditioning system of air energy, geothermal energy and solar energy, as shown in figure 1, including connection The supply integrated system of Cooling and Heat Source together and external-cooling type dew point evaporative cooling air-conditioner set 21, external-cooling type dew Point evaporative cooling air-conditioner set 21 is connected with diffusing unit a65, the diffusing unit b66 set in room 64 respectively, And diffusing unit a65 is located in the furred ceiling layer 62 in room 64 (by the secondary sky drained originally in dew point indirect evaporative cooler Gas is introduced in room in furred ceiling layer, and the high sensible heat produced during for eliminating lamp lighting at furred ceiling layer is prevented effectively from the wave of energy Take), diffusing unit b66 is located in room 64 at ceiling;Also include the ventilation window 22 being arranged on the wall of room 64, And air exhausting device 63 is provided with ventilation window 22, available for the hot blast or cold wind in discharge room 64.
The supply integrated system of Cooling and Heat Source, as shown in Figures 1 and 2, by Cooling and Heat Source computer room 1 and respectively with Cooling and Heat Source computer room 1 Ground heat exchanger 3, the solar thermal collector 12 of connection are constituted;Cooling and Heat Source computer room 1 and external-cooling type dew point indirectly-directly evaporate cold But air-conditioner set 21 is connected.
Cooling and Heat Source computer room 1, as shown in Fig. 2 including room body 9, and sets solar heat respectively in room body 9 Water dispenser group 11, closed-loop ground source heat pump unit 2 and constant pressure water compensation apparatus 18;Closed-loop ground source heat pump unit 2 is respectively by geographical Side circulating water pipe a4, geographical side circulating water pipe b29 and ground heat exchanger 3 connect and compose circulation loop;Solar water unit 11 connect and compose circulation loop by the first water pipe G1, the second water pipe G2 and solar thermal collector 12 respectively, and the second water pipe G2 leads to Cross the 4th water pipe G4 to be connected with constant pressure water compensation apparatus 18, solar water unit 11 also passes sequentially through the 3rd water pipe G3, feed pipe 16 are connected with external-cooling type dew point evaporative cooling air-conditioner set 21, the 3rd water pipe G3 by the 5th water pipe G5 with it is buried Pipe earth source heat pump unit 2 is connected;Closed-loop ground source heat pump unit 2 passes sequentially through the 6th water pipe G6, the 7th water pipe G7 and the 4th water Pipe G4 connections, the 6th water pipe G6 and the 7th water pipe G7 connectivity part by return pipe 17 and external-cooling type dew point indirectly-directly evaporation Cooling air conditioning group 21 is connected.
Geographical side water circulating pump 5 and geographical side hydrotreater 6 are respectively arranged with geographical side circulating water pipe a4;Second water pipe Water circulating pump 13 and hydrotreater 14 are respectively arranged with G2;Valve b15 is provided with 3rd water pipe G3;Set on 4th water pipe G4 It is equipped with valve d20;Valve a10 is provided with 5th water pipe G5;Air-conditioning side water circulating pump 7, sky are respectively arranged with 6th water pipe Adjust side hydrotreater 8;Valve c19 is provided with 7th water pipe G7.
External-cooling type dew point evaporative cooling air-conditioner set 21, as shown in figure 3, including machine unit shell 43, unit Fresh wind port 23, air outlet 57 are respectively arranged with the relative two side of housing 43, air outlet 57 passes through ajutage 59 and diffusing list First b66 connections;New wind filter 25, dew point are disposed with machine unit shell 43 into rear flow direction according to air to steam indirectly Cooler, filler levels, Biao Lengqi heaters 54 and pressure fan 56 are sent out, and in new wind filter 25 and dew New return air mixing chamber 26 is formed between point indirect evaporation cooler, the corresponding roof of machine unit shell 43 in the new top of return air mixing chamber 26 On be provided with return air inlet 27, the corresponding bottom of machine unit shell 43 in the new bottom of return air mixing chamber 26 is provided between exhaust outlet 28, dew point Connect and be provided with auxiliary air exhaust outlet 33, auxiliary air exhaust outlet 33 on the corresponding roof of machine unit shell 43 above devaporizer It is connected by auxiliary air ajutage 35 with diffusing unit a65;Surface cooler heater 54 respectively with feed pipe 16, return pipe 17 Connection;Surface cooler heater 54 be also connected with condensate pipe 55.
Diffusing unit a65 is blown by the first air supply line and multiple auxiliary airs being uniformly arranged on the first air supply line Diffusing mouthful 60 is constituted, and the first air supply line is connected with auxiliary air ajutage 35;Diffusing unit b66 by the second air supply line and Multiple air-supply diffusings mouthful 61 being uniformly arranged on the second air supply line are constituted, and the second air supply line is connected with ajutage 59; Auxiliary air air-supply diffusing mouthful 60 and air-supply 61 equal squarelys of diffusing mouthful therein.
New air-valve 24 is provided with fresh wind port 23;Blow valve 58 is provided with air outlet 57;In auxiliary air exhaust outlet 33 It is provided with auxiliary air exhaust valve 34.
Pressure fan 56 uses suction-type frequency conversion fan.
Dew point indirect evaporative cooler, as shown in Fig. 2 including cross flow heat exchange core body 30;Cross flow heat exchange core body 30 Be sequentially arranged above water-locator a31, water fender a32, the lower section of cross flow heat exchange core body 30 is provided with header tank a36, cloth Hydrophone a31 is connected by water pipe a42 with header tank a36, and immersible pump a39, water filter are respectively arranged with water pipe a42 A40 and valve e41, and immersible pump a39 and water filter a40 be respectively positioned in header tank a36;Ball float is provided with header tank a36 Valve a38, header tank a36 is also associated with filling pipe a37.
Filler levels, as shown in Fig. 2 include filler 44, filler 44 has been sequentially arranged above cloth Hydrophone b45, water fender b51, the lower section of filler 44 are provided with header tank b46, and water-locator b45 passes through water pipe b53 and header tank Immersible pump b50, water filter b49 and valve f52, and immersible pump b50 and water mistake are respectively arranged with b46 connections, water pipe b53 Filter b49 is respectively positioned in header tank b46;Ball-cock assembly b47 is provided with header tank b46, header tank b46 is also associated with filling pipe b48。
The present invention utilizes the central air-conditioning system of air energy, geothermal energy and solar energy, and its course of work is specific as follows:
(1) in summer operation (cooling):
(1) when outdoor air conditions point falls indoors on the left of air condition point, open internal external-cooling type dew point it is indirect- Direct evaporative cooling air conditioner group 21, the low-temperature receiver under this operating mode is dry air energy;
Outdoor fresh air enters in external-cooling type dew point evaporative cooling air-conditioner set 21 through fresh wind port 23, by fresh air Filter 25 is filtered to outdoor fresh air, forms clean air;Clean air enters in dew point indirect evaporative cooler The wet cooling processing such as progress, enters equal-enthalpy humidifying processing is carried out in filler levels afterwards, formation cold air;It is cold Air is sent out under the dynamic action of pressure fan 56 (suction-type frequency conversion fan) through air outlet 57, after through ajutage 59 send into room Between in 64, air is dispersed in room 64 by the diffusing unit b66 of ceiling;And dew point indirect evaporative cooler is produced Raw auxiliary air is entered in auxiliary air ajutage 35 by auxiliary air exhaust outlet 33, then sent by auxiliary air ajutage 35 Enter in the diffusing unit a65 set in room 64, by diffusing unit a65 diffusings in furred ceiling layer 62 in room 64, for eliminating The high sensible heat produced at furred ceiling layer during lamp lighting.
(2) when outdoor air conditions point falls indoors on the right side of air condition point, the underground pipe in Cooling and Heat Source computer room 1 is opened Earth source heat pump unit 2 and constant pressure water compensation apparatus 18, open new in external-cooling type dew point evaporative cooling air-conditioner set 21 Wind filter 25, dew point indirect evaporative cooler, Biao Lengqi heaters 54 and pressure fan 56, under this operating mode dry air can and Geothermal energy coupling is used:
Open the closed-loop ground source heat pump unit 2 in Cooling and Heat Source computer room 1, for for external-cooling type dew point indirectly-directly evaporation In cooling air conditioning group 21 surface cooler heater 54 (being used used herein as surface cooler) provide required for chilled water, now valve Door a10 is opened, and valve b15 is closed;Constant pressure water compensation apparatus 18 is opened simultaneously, for being mended for the level pressure of closed-loop ground source heat pump unit 2 Water, now valve c19 unlatchings, valve d20 is closed;
Outdoor fresh air is entered in external-cooling type dew point evaporative cooling air-conditioner set 21 by fresh wind port 23, by new Wind filter 25 is filtered to it, forms clean air;Clean air, which enters in dew point indirect evaporative cooler, to be carried out Etc. wet cooling processing, afterwards into surface cooler cooling and dehumidifying processing, shape are carried out in heater 54 (here as surface cooler is used) Into cold wind;Cold wind is sent out under the dynamic action of pressure fan 56 (suction-type frequency conversion fan) through air outlet 57, after through ajutage In 59 feeding rooms 64, air is dispersed in room 64 by the diffusing unit b66 of ceiling;And dew point indirect evaporative The auxiliary air that cooler is produced is entered in auxiliary air ajutage 35 by auxiliary air exhaust outlet 33, then sent by auxiliary air In the diffusing unit a65 set in the feeding of airduct 35 room 64, by diffusing unit a65 diffusings in furred ceiling layer 62 in room 64, The high sensible heat produced during for eliminating lamp lighting at furred ceiling layer.
(2) when running in the winter time (heat supply):
Open closed-loop ground source heat pump unit 2, solar water unit 11 and the constant pressure water compensation apparatus in Cooling and Heat Source computer room 1 18, and open new wind filter 25, new return air mixing chamber in external-cooling type dew point evaporative cooling air-conditioner set 21 26th, filler levels, surface cooler heater 54 (being used as heater here) and pressure fan 56, under this operating mode Dry air energy, geothermal energy and solar energy three coupling are used:
Solar water unit 11 in the Cooling and Heat Source computer room 1 of unlatching, for for external-cooling type dew point indirectly-directly evaporate cold But the surface cooler in air-conditioner set 21 heater 54 (being used as heater here) provide required for hot water;If outdoor weather bar Part is severe, when solar water unit 11 does not reach design requirement, opens closed-loop ground source heat pump unit 2, valve b15 and valve A10, be in external-cooling type dew point evaporative cooling air-conditioner set 21 surface cooler heater 54 (being used as heater here) Hot water required for providing;Constant pressure water compensation apparatus 18, valve d20 and valve c19 are opened simultaneously, are closed-loop ground source heat pump unit 2 and the constant pressure supply water of solar water unit 11;Now, outdoor fresh air is indirect-direct into external-cooling type dew point by fresh wind port 23 In evaporative cooling air conditioning machine group 21:It is filtered by new wind filter 25, clean air is formed;Clean air enters New return air mixing chamber 26 carries out mixed processing with return air, forms new back-mixing and closes wind;New back-mixing is closed wind and directly evaporated into material filling type Equal-enthalpy humidifying processing is carried out in cooler, then by surface cooler heater 54 (being used as heater here) the wet heating such as carry out Reason, forms hot blast;Hot blast is sent out under the dynamic action of pressure fan 56 (suction-type frequency conversion fan) through air outlet 57, after through giving In the feeding of airduct 59 room 64, air is dispersed in room 64 by the diffusing unit b66 of ceiling.
(3) when transition season is run (ventilation):
Can only be opened according to actual conditions (outdoor air humiture meet require) external-cooling type dew point indirectly-directly evaporate cold But the new wind filter 25 and pressure fan 56 in air-conditioner set 21;
Outdoor fresh air is entered in external-cooling type dew point evaporative cooling air-conditioner set 21 by fresh wind port 23, first It is filtered by new wind filter 25, clean air is formed;Then clean air is in (the suction-type frequency conversion of pressure fan 56 Blower fan) dynamic action under sent out through air outlet 57, after through ajutage 59 send into room 64 in, by the diffusing list of ceiling Air is dispersed in room 64 by first b66.
The present invention, can be according to different outdoor weathers using the central air-conditioning system of air energy, geothermal energy and solar energy Condition and the requirement of different indoor environments, provide energy for its air-conditioning system by the complementation of different Cooling and Heat Sources, make full use of nature Environment low-grade energy can reduce the energy consumption of air-conditioning system, enable air-conditioning system reliable and Effec-tive Function.

Claims (10)

1. utilize the central air-conditioning system of air energy, geothermal energy and solar energy, it is characterised in that include what is linked together The supply integrated system of Cooling and Heat Source and external-cooling type dew point evaporative cooling air-conditioner set (21), the external-cooling type dew point Diffusing unit a (65), the diffusing unit b of evaporative cooling air-conditioner set (21) respectively with being set in room (64) (66) connect, and the diffusing unit a (65) is located in the furred ceiling layer (62) in room (64), diffusing unit b (66) position In in room (64) at the ceiling.
2. central air-conditioning system according to claim 1, it is characterised in that also including being arranged on room (64) wall Ventilation window (22), and the ventilation window (22) in be provided with air exhausting device (63).
3. central air-conditioning system according to claim 1 or 2, it is characterised in that the supply integrated system of the Cooling and Heat Source System, ground heat exchanger (3), the solar thermal collector (12) being connected by Cooling and Heat Source computer room (1) and respectively with Cooling and Heat Source computer room (1) Constitute;
The Cooling and Heat Source computer room (1) is connected with external-cooling type dew point evaporative cooling air-conditioner set (21).
4. central air-conditioning system according to claim 3, it is characterised in that the Cooling and Heat Source computer room (1), including it is organic Room body (9), and setting solar water unit (11), the closed-loop ground source heat pump unit respectively in the room body (9) And constant pressure water compensation apparatus (18) (2);
The closed-loop ground source heat pump unit (2) respectively by geographical side circulating water pipe a (4), geographical side circulating water pipe b (29) with Ground heat exchanger (3) connects and composes circulation loop;The solar water unit (11) passes through the first water pipe (G1), respectively Two water pipes (G2) connect and compose circulation loop with solar thermal collector (12), and second water pipe (G2) passes through the 4th water pipe (G4) It is connected with constant pressure water compensation apparatus (18), the solar water unit (11) also passes sequentially through the 3rd water pipe (G3), feed pipe (16) it is connected with external-cooling type dew point evaporative cooling air-conditioner set (21), the 3rd water pipe (G3) passes through the 5th water Pipe (G5) is connected with closed-loop ground source heat pump unit (2);The closed-loop ground source heat pump unit (2) passes sequentially through the 6th water pipe (G6), the 7th water pipe (G7) is connected with the 4th water pipe (G4), and the 6th water pipe (G6) and the connectivity part of the 7th water pipe (G7) are led to Return pipe (17) is crossed to be connected with external-cooling type dew point evaporative cooling air-conditioner set (21).
5. central air-conditioning system according to claim 4, it is characterised in that divide on the geographical side circulating water pipe a (4) Geographical side water circulating pump (5) and geographical side hydrotreater (6) are not provided with;
Water circulating pump (13) and hydrotreater (14) are respectively arranged with second water pipe (G2);
Valve b (15) is provided with 3rd water pipe (G3);
Valve d (20) is provided with 4th water pipe (G4);
Valve a (10) is provided with 5th water pipe (G5);
Air-conditioning side water circulating pump (7), air-conditioning side hydrotreater (8) are respectively arranged with 6th water pipe;
Valve c (19) is provided with 7th water pipe (G7).
6. central air-conditioning system according to claim 4, it is characterised in that the external-cooling type dew point indirectly-directly steaming Feel cold but air-conditioner set (21), include be respectively arranged with machine unit shell (43), the relative two side of machine unit shell (43) it is new Air port (23), air outlet (57), the air outlet (57) are connected by ajutage (59) with diffusing unit b (66);
It is indirect that according to air into rear flow direction new wind filter (25), dew point are disposed with the machine unit shell (43) Devaporizer, filler levels, surface cooler heater (54) and pressure fan (56), and in the fresh air mistake Filter (25) forms new return air mixing chamber (26), new return air mixing chamber (26) top between dew point indirect evaporative cooler It is provided with return air inlet (27) on corresponding machine unit shell (43) roof, the corresponding unit shell in new return air mixing chamber (26) bottom Body (43) bottom is provided with above exhaust outlet (28), the dew point indirect evaporative cooler on corresponding machine unit shell (43) roof Auxiliary air exhaust outlet (33) is provided with, the auxiliary air exhaust outlet (33) passes through auxiliary air ajutage (35) and diffusing list First a (65) connection;The surface cooler heater (54) be connected respectively with feed pipe (16), return pipe (17), the surface cooler Heater (54) is also connected with condensate pipe (55).
7. central air-conditioning system according to claim 6, it is characterised in that the diffusing unit a (65) is supplied by first Wind pipeline and multiple auxiliary air air-supply diffusings mouthful (60) being uniformly arranged on the first air supply line are constituted, and described first supplies Wind pipeline is connected with auxiliary air ajutage (35);
The diffusing unit b (66) is by the second air supply line and multiple air-supply diffusings mouthful being uniformly arranged on the second air supply line (61) constitute, and second air supply line is connected with ajutage (59).
8. central air-conditioning system according to claim 6, it is characterised in that be provided with fresh air in the fresh wind port (23) Valve (24);Blow valve (58) is provided with the air outlet (57);Secondary sky is provided with the auxiliary air exhaust outlet (33) Gas exhaust valve (34);
The pressure fan (56) uses suction-type frequency conversion fan.
9. central air-conditioning system according to claim 6, it is characterised in that the dew point indirect evaporative cooler, bag Cross flow heat exchange core body (30) is included, the cross flow heat exchange core body (30) has been sequentially arranged above water-locator a (31), dash Header tank a (36) is provided with below plate a (32), the cross flow heat exchange core body (30), the water-locator a (31) passes through retaining Pipe a (42) is connected with header tank a (36), and immersible pump a (39), water filter a (40) are respectively arranged with the water pipe a (42) And valve e (41), and the immersible pump a (39) and water filter a (40) be respectively positioned in header tank a (36);
Ball-cock assembly a (38) is provided with the header tank a (36), the header tank a (36) is also associated with filling pipe a (37).
10. central air-conditioning system according to claim 6, it is characterised in that the filler levels, Include filler (44), the filler (44) has been sequentially arranged above water-locator b (45), water fender b (51), the filler (44) header tank b (46) is provided with below, the water-locator b (45) is connected by water pipe b (53) with header tank b (46), Immersible pump b (50), water filter b (49) and valve f (52), and the immersible pump b are respectively arranged with the water pipe b (53) (50) it is respectively positioned on water filter b (49) in header tank b (46);
Ball-cock assembly b (47) is provided with the header tank b (46), header tank b (46) is also associated with filling pipe b (48).
CN201710240028.6A 2017-04-13 2017-04-13 Centralized air conditioning system using air energy, geothermal energy and solar energy Active CN107101297B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110753479A (en) * 2019-10-23 2020-02-04 西安工程大学 Photovoltaic direct-drive dew point indirect evaporative cooling air conditioning system for data center
CN111536649A (en) * 2020-05-19 2020-08-14 李小兰 Energy-saving ventilation equipment matched with interior of building

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CN102032632A (en) * 2010-12-31 2011-04-27 张茂勇 Novel energy resource air conditioning mode and system
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CN103836748A (en) * 2014-02-18 2014-06-04 西安工程大学 Wind energy, solar energy and dry air energy combined air conditioning system
CN106524589A (en) * 2016-11-14 2017-03-22 湖南工程学院 Heat and cold supply system with solar energy and ground source heat pump being combined

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US20080003940A1 (en) * 1998-11-09 2008-01-03 Building Performance Equipment, Inc. Ventilator system and method
CN102032632A (en) * 2010-12-31 2011-04-27 张茂勇 Novel energy resource air conditioning mode and system
CN202546963U (en) * 2012-03-16 2012-11-21 西安工程大学 Solar energy/dry air energy air-water air conditioner
CN103836748A (en) * 2014-02-18 2014-06-04 西安工程大学 Wind energy, solar energy and dry air energy combined air conditioning system
CN106524589A (en) * 2016-11-14 2017-03-22 湖南工程学院 Heat and cold supply system with solar energy and ground source heat pump being combined

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110753479A (en) * 2019-10-23 2020-02-04 西安工程大学 Photovoltaic direct-drive dew point indirect evaporative cooling air conditioning system for data center
CN111536649A (en) * 2020-05-19 2020-08-14 李小兰 Energy-saving ventilation equipment matched with interior of building

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