CN104006469A - Evaporative cooling and mechanical refrigeration combined variable air duct energy-saving air conditioning unit - Google Patents

Evaporative cooling and mechanical refrigeration combined variable air duct energy-saving air conditioning unit Download PDF

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Publication number
CN104006469A
CN104006469A CN201410221963.4A CN201410221963A CN104006469A CN 104006469 A CN104006469 A CN 104006469A CN 201410221963 A CN201410221963 A CN 201410221963A CN 104006469 A CN104006469 A CN 104006469A
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China
Prior art keywords
air
water
filler
valve
cooler
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Pending
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CN201410221963.4A
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Chinese (zh)
Inventor
黄翔
薛运
李鑫
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Xian Polytechnic University
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Xian Polytechnic University
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Priority to CN201410221963.4A priority Critical patent/CN104006469A/en
Publication of CN104006469A publication Critical patent/CN104006469A/en
Pending legal-status Critical Current

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Abstract

An evaporative cooling and mechanical refrigeration combined variable air duct energy-saving air conditioning unit comprises a unit shell, and two air ducts which are arranged up and down are separated in the unit shell; in the upper air duct, the two opposite side walls of the unit shell are provided with an upper layer air inlet and an upper layer air supply outlet respectively, and an inlet-air primary filter a, a high temperature cold water surface air cooler, an evaporator, a vertically adjustable air valve, a direct evaporative cooler and a blowing-in fan are sequentially arranged between the upper layer air inlet and the upper layer air supply outlet in the flow direction after new air enters; in the lower layer air duct, the two opposite side walls of the unit shell are provided with a lower layer air inlet and a lower layer exhaust outlet respectively, and an inlet-air primary filter b, a padding type direct evaporative cooler, a condenser, a compressor and an exhaust fan are sequentially arranged between the lower layer air inlet and the lower layer exhaust outlet in the flow direction after new air enters. By means of the variable air duct energy-saving air conditioning unit, different functional sections, the fans and air duct valves are selectively switched on according to different outdoor weather conditions, and electric energy is saved.

Description

The change air channel energy-saving type air conditioner unit that evaporative cooling is combined with mechanical refrigeration
Technical field
The invention belongs to air conditioner technical field, be specifically related to the change air channel energy-saving type air conditioner unit that a kind of evaporative cooling is combined with mechanical refrigeration.
Technical background
Along with China's expanding economy and social progress, under the background of the so national great strategy of energy-saving and emission-reduction, people can effectively realize room air and purify, lower the temperature, efficiently move in the urgent need to a kind of, and the Novel energy-saving air-conditioning device that can effectively reduce again system power consumption simultaneously promotes the demand of people to work and living environment.
Traditional simple mechanical air-conditioning unit cannot determine the functional section that air-conditioning unit need to be opened according to outdoor weather condition, also just cannot realize in Various Seasonal air is carried out to different adjustings, and traditional simple mechanical air-conditioning units consumption is all higher.
Summary of the invention
The object of the invention is to propose the change air channel energy-saving type air conditioner unit that a kind of evaporative cooling is combined with mechanical refrigeration, realized according to different outdoor weather conditions, optionally open difference in functionality section, blower fan and air channel valve, the free refrigeration that the use evaporative cooling of maximum possible brings, the consumption of having saved electric energy.
The technical solution adopted in the present invention is that the change air channel energy-saving type air conditioner unit that evaporative cooling is combined with mechanical refrigeration, includes machine unit shell, is separated into two air channels arranging up and down in machine unit shell;
In upper air duct: machine unit shell two lateral walls is respectively arranged with upper strata air inlet, upper strata air outlet, between upper strata air inlet and upper strata air outlet, by new wind, enter rear flow direction and be disposed with air intake roughing efficiency air filter a, high temperature cold water surface cooler, evaporimeter, upper and lower adjustable air-valve, direct evaporative cooler and breeze fan;
In lower floor air channel: machine unit shell two lateral walls is respectively arranged with lower floor's air inlet, lower floor's exhaust outlet, between lower floor's air inlet, lower floor's exhaust outlet, by new wind, enter rear flow direction and be disposed with air intake roughing efficiency air filter b, material filling type direct evaporative cooler, condenser, compressor and exhaust fan.
Feature of the present invention is also:
Between high temperature cold water surface cooler and evaporimeter, form return airway, on machine unit shell sidewall corresponding to return airway, be provided with return air inlet.
Upper and lower adjustable air-valve is comprised of upper air-valve and the lower air-valve of upper and lower layout, lower air-valve next-door neighbour direct evaporative cooler setting and contour with direct evaporative cooler.
Direct evaporative cooler, include the first filler, the top of the first filler is provided with the first water-locator, and the below of the first filler is provided with the first cyclic water tank, in the first cyclic water tank, be provided with the first water filter, the first water filter is connected with the first water-locator by the first feed pipe; On the first feed pipe, be provided with the first water circulating pump.
The first filler adopts is a kind of in papery, metal, porous ceramics or PVC filler; What the first water-locator adopted is spray arm or nozzle.
Material filling type direct evaporative cooler, includes the second filler, and the top of the second filler is provided with the second water-locator, and the below of the second filler is provided with the second cyclic water tank, is provided with the second water filter in the second cyclic water tank;
The second water filter is connected with the water inlet of high temperature cold water surface cooler by the second feed pipe, and the delivery port of high temperature cold water surface cooler is connected with the second water-locator by the 3rd feed pipe.
In the second cyclic water tank, be provided with water compensating valve; On the second feed pipe, be provided with the second water circulating pump.
The second filler adopts is a kind of in papery, metal, porous ceramics or PVC filler; What the second water-locator adopted is spray arm or nozzle.
Compressor is connected to form closed-loop path with condenser, choke valve, evaporimeter successively by copper pipe, forms mechanical refrigeration system.
Beneficial effect of the present invention is:
(1) change of the present invention air channel energy-saving type air conditioner unit is to be formed by evaporative cooling and two kinds of technical tie-ups of mechanical refrigeration, the condenser that wherein the material filling type direct evaporative cooler of lower floor can be mechanical refrigeration system provides the cold wind lower than outside air temperature, owing to entering the air themperature as cooling medium of condenser, decline, correspondingly condensation temperature also declines, input power is few, refrigerating capacity increases, and material filling type direct evaporative cooler do not consume electric energy substantially, therefore the refrigeration efficiency of unit is improved a lot than COP.
(2) in the energy-saving type air conditioner unit of change of the present invention air channel, the cold water of being produced by the material filling type direct evaporative cooler in lower floor air channel flows into the high temperature cold water surface cooler in air channel, upper strata, for the precooling of air-conditioning unit blasting air, reduced the refrigerating capacity of mechanical refrigeration system, saved energy consumption.
(3) change of the present invention air channel energy-saving type air conditioner unit in use, can be used different operational modes according to outdoor weather condition in Various Seasonal, selectively unlocking correlation function section, blower fan, air channel valve; At transition season, make full use of natural cold-amount, carry out the load in decontamination chamber.
(4) when change of the present invention air channel energy-saving type air conditioner unit is used in the winter time, mechanical refrigeration system is converted to heat pump by cross valve switch mode, has effectively improved the utilization rate of equipment, saves the investment of heating equipment.
(5) in the energy-saving type air conditioner unit of change of the present invention air channel, become air channel technique maximized and reduce air flow resistance, reduce the energy consumption of blower fan.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention becomes air channel energy-saving type air conditioner unit.
In figure, 1. air intake roughing efficiency air filter a, 2. high temperature cold water surface cooler, 3. return air inlet, 4. evaporimeter, 5. upper and lower adjustable air-valve, 6. the first filler, 7. breeze fan, 8. upper strata air outlet, 9. lower floor's exhaust outlet, 10. exhaust fan, 11. compressors, 12. condensers, 13. choke valves, 14. second water circulating pumps, 15. second fillers, 16. second cyclic water tanks, 17. lower floor's air inlets, 18. upper strata air inlets, 19. air intake roughing efficiency air filter b, 20. first water-locators, 21. first cyclic water tanks, 22. second water-locators.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The change air channel energy-saving type air conditioner unit that evaporative cooling of the present invention is combined with mechanical refrigeration, its structure as shown in Figure 1, includes machine unit shell, is separated into two air channels arranging up and down in machine unit shell; In air channel, upper strata: machine unit shell two lateral walls is respectively arranged with upper strata air inlet 18, upper strata air outlet 8, between upper strata air inlet 18, upper strata air outlet 8, by new wind, enter rear flow direction and be disposed with air intake roughing efficiency air filter a1, high temperature cold water surface cooler 2, evaporimeter 4, upper and lower adjustable air-valve 5, direct evaporative cooler, breeze fan 7, between high temperature cold water surface cooler 2 and evaporimeter 4, form return airway, on machine unit shell sidewall corresponding to return airway, be provided with return air inlet 3; In lower air duct: machine unit shell two lateral walls is respectively arranged with lower floor's air inlet 17, lower floor's exhaust outlet 9, between lower floor's air inlet 17, lower floor's exhaust outlet 9, by new wind, enter rear flow direction and be disposed with air intake roughing efficiency air filter b19, material filling type direct evaporative cooler, condenser 12, compressor 11 and exhaust fan 10.
Upper and lower adjustable air-valve 5 is comprised of upper air-valve and the lower air-valve of upper and lower layout, lower air-valve next-door neighbour direct evaporative cooler setting and contour with direct evaporative cooler.。Adopt the object of this structure to be: under guaranteeing, air-valve is opened, and when upper air-valve cuts out, air is passed through by direct evaporative cooler entirely; Upper air-valve is arranged on lower air-valve, and to guarantee that upper air-valve opens, when lower air-valve cuts out, air is passed through by upper air-valve entirely.
Direct evaporative cooler, include the first filler 6, the top of the first filler 6 is provided with the first water-locator 20, the below of the first filler 6 is provided with the first cyclic water tank 21, in the first cyclic water tank 21, be provided with the first water filter, the first water filter is connected with the first water-locator 20 by the first feed pipe, is provided with the first water circulating pump on the first feed pipe.
Material filling type direct evaporative cooler, include filler 15, the top of filler 15 is provided with the second water-locator 22, the below of filler 15 is provided with the second cyclic water tank 16, in the second cyclic water tank 16, be provided with the second water filter, the second water filter is connected with the water inlet of high temperature cold water surface cooler 2 by the second feed pipe, and the delivery port of high temperature cold water surface cooler 2 is connected with the second water-locator 22 by the 3rd feed pipe.In the second cyclic water tank 16, be provided with water compensating valve; On the second feed pipe, be provided with the second water circulating pump 14.
Compressor 11 is connected to form closed-loop path with condenser 12, choke valve 13, evaporimeter 4 successively by copper pipe, forms mechanical refrigeration system.
Wherein, the first filler 6 in direct evaporative cooler and the second filler 15 in material filling type direct evaporative cooler and all adopt a kind of in papery, metal, porous ceramics, PVC filler; The first water-locator 20 and the second water-locator 22, except adopting spray arm, can also adopt nozzle.
The course of work of the change air channel energy-saving type air conditioner unit that evaporative cooling of the present invention is combined with mechanical refrigeration is as follows:
(1) cooling coil and mechanical refrigeration united mode:
New wind enters in lower floor air channel at the effect Xia Xiancong of exhaust fan 10 lower floor air inlet 17, first through air intake roughing efficiency air filter b19, filter, then at material filling type direct evaporative cooler place, through equal-enthalpy humidifying temperature-fall period, produce cold wind, material filling type direct evaporative cooler can produce cold water simultaneously, these cold water are after the second cyclic water tank 16 is collected, by the second feed pipe, flowed in high temperature cold water surface cooler 2, the new wind entering in air channel, upper strata from upper strata air inlet 18 is carried out to precooling, new wind in air channel, upper strata at high temperature cold water surface cooler 2 places through etc. enter evaporimeter 4 after wet cooling, at evaporimeter 4 places, through heat exchange, obtain further cooling, finally by upper and lower adjustable air-valve 5 and upper strata air outlet 8, send into indoor, open in this course the upper air-valve of upper and lower adjustable air-valve 5, close lower air-valve, direct evaporative cooler does not move.
(2) cooling coil and direct evaporative cooling united mode:
New wind enters in lower floor air channel at the effect Xia Cong of exhaust fan 10 lower floor air inlet 17, first after air intake roughing efficiency air filter b19 filters, at material filling type direct evaporative cooler, place carries out equal-enthalpy humidifying cooling, the cold water temperature that material filling type direct evaporative cooler produces will be between wet-bulb temperature and dew-point temperature, these cold water are after the second cyclic water tank 16 is collected, by the second feed pipe, flowed in high temperature cold water surface cooler 2, the new wind entering in air channel, upper strata from upper strata air inlet 18 is carried out to precooling, new wind in air channel, upper strata at high temperature cold water surface cooler 2 places through etc. wet cooling down, and then the upper and lower adjustable air-valve 5 of flowing through, enter afterwards and in direct evaporative cooler, carry out equal-enthalpy humidifying cooling, finally by upper strata air outlet 8, send into indoor, under this pattern, mechanical refrigeration system is not opened.
(3) direct evaporative cooling pattern:
New wind enters in air channel, upper strata from upper strata air inlet 18 under the effect of breeze fan 7, first after air intake roughing efficiency air filter a1 filters, then through upper and lower adjustable air-valve 5, enter in direct evaporative cooler and carry out equal-enthalpy humidifying cooling, finally by upper strata air outlet 8, send into indoor; In this course, open the lower air-valve of upper and lower adjustable air-valve 5, close air-valve, under this pattern, direct evaporative cooler and mechanical refrigeration system are not all opened.
(4) air vent mode:
New wind enters in air channel, upper strata from upper strata air inlet 18 under the effect of breeze fan 7, first, after air intake roughing efficiency air filter a1 filters, through upper strata air outlet 8, directly sends into indoor; In this course, open the lower air-valve of upper and lower adjustable air-valve 5, close air-valve, direct evaporative cooler, material filling type direct evaporative cooler and mechanical refrigeration system are not all opened.
(5) Winter heat supply pattern:
New wind enters in air channel, upper strata from upper strata air inlet 18 under the effect of breeze fan 7, first after air intake roughing efficiency air filter a1 filters, by wet heating such as evaporimeters 4 (be condenser 12 winter), then the upper and lower adjustable air-valve 5 of flowing through, enter direct evaporative cooler, after equal-enthalpy humidifying, send into indoor; In this course, open the lower air-valve of upper and lower adjustable air-valve 5, close air-valve, the cross valve in mechanical refrigeration system switches to winter mode, makes mechanical refrigeration system become air source heat pump system.
The change air channel energy-saving type air conditioner unit that evaporative cooling of the present invention is combined with mechanical refrigeration, use and become the functional section that air channel technology need to be opened according to outdoor weather condition decision air-conditioning unit, operational mode has: cooling coil and mechanical refrigeration united mode, cooling coil and direct evaporative cooling united mode, direct evaporative cooling pattern, air vent mode, Winter heat supply pattern, greatly reduce like this units consumption, improved unit utilization rate.

Claims (9)

1. the change air channel energy-saving type air conditioner unit that evaporative cooling is combined with mechanical refrigeration, is characterized in that, includes machine unit shell, is separated into two air channels arranging up and down in described machine unit shell;
In described upper air duct: machine unit shell two lateral walls is respectively arranged with upper strata air inlet (18), upper strata air outlet (8), between described upper strata air inlet (18) and upper strata air outlet (8), by new wind, enter rear flow direction and be disposed with air intake roughing efficiency air filter a (1), high temperature cold water surface cooler (2), evaporimeter (4), upper and lower adjustable air-valve (5), direct evaporative cooler (6) and breeze fan (7);
In described lower floor air channel: machine unit shell two lateral walls is respectively arranged with lower floor's air inlet (17), lower floor's exhaust outlet (9), between described lower floor air inlet (17), lower floor's exhaust outlet (9), by new wind, enter rear flow direction and be disposed with air intake roughing efficiency air filter b (19), material filling type direct evaporative cooler, condenser (12), compressor (11) and exhaust fan (10).
2. change according to claim 1 air channel energy-saving type air conditioner unit, it is characterized in that, between described high temperature cold water surface cooler (2) and evaporimeter (4), form return airway, on machine unit shell sidewall corresponding to described return airway, be provided with return air inlet (3).
3. change according to claim 1 air channel energy-saving type air conditioner unit, it is characterized in that, described upper and lower adjustable air-valve (5) is comprised of upper air-valve and the lower air-valve of upper and lower layout, lower air-valve next-door neighbour direct evaporative cooler setting and contour with direct evaporative cooler.
4. according to the change air channel energy-saving type air conditioner unit described in claim 1 or 3, it is characterized in that, described direct evaporative cooler, include the first filler (6), the top of described the first filler (6) is provided with the first water-locator (20), the below of described the first filler (6) is provided with the first cyclic water tank (21), in described the first cyclic water tank (21), be provided with the first water filter, described the first water filter is connected with described the first water-locator (20) by the first feed pipe;
On described the first feed pipe, be provided with the first water circulating pump.
5. change according to claim 4 air channel energy-saving type air conditioner unit, is characterized in that, described the first filler (6) adopts is a kind of in papery, metal, porous ceramics or PVC filler; What described the first water-locator (20) adopted is spray arm or nozzle.
6. change according to claim 1 air channel energy-saving type air conditioner unit, it is characterized in that, described material filling type direct evaporative cooler, include the second filler (15), the top of described the second filler (15) is provided with the second water-locator (22), the below of described the second filler (15) is provided with the second cyclic water tank (16), in described the second cyclic water tank (16), is provided with the second water filter;
Described the second water filter is connected with the water inlet of high temperature cold water surface cooler (2) by the second feed pipe, and the delivery port of described high temperature cold water surface cooler (2) is connected with the second water-locator (22) by the 3rd feed pipe.
7. change according to claim 6 air channel energy-saving type air conditioner unit, is characterized in that, in described the second cyclic water tank (16), is provided with water compensating valve; On described the second feed pipe, be provided with the second water circulating pump (14).
8. change according to claim 6 air channel energy-saving type air conditioner unit, is characterized in that, described the second filler (15) adopts is a kind of in papery, metal, porous ceramics or PVC filler; What described the second water-locator (22) adopted is spray arm or nozzle.
9. change according to claim 1 air channel energy-saving type air conditioner unit, it is characterized in that, described compressor (11) is connected to form closed-loop path with condenser (12), choke valve (13), evaporimeter (4) successively by copper pipe, forms mechanical refrigeration system.
CN201410221963.4A 2014-05-23 2014-05-23 Evaporative cooling and mechanical refrigeration combined variable air duct energy-saving air conditioning unit Pending CN104006469A (en)

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN104776526A (en) * 2015-03-24 2015-07-15 西安工程大学 Wind-solar hybrid generation and evaporative-cooling refrigerant-direct-expansion combined air conditioning system
CN105020832A (en) * 2015-07-14 2015-11-04 西安工程大学 Integrated air conditioning unit suitable for interior of subway train
CN105737302A (en) * 2016-02-26 2016-07-06 无锡市天兴净化空调设备有限公司 Central air-conditioning based on dry air energy
CN107152739A (en) * 2017-04-06 2017-09-12 西安工程大学 The indirect harl direct evaporating-cooling of coil pipe and mechanical refrigeration combined air conditioner unit
CN107246679A (en) * 2017-05-02 2017-10-13 西安工程大学 Evaporation cooling and mechanical refrigeration combined air-conditioner unit

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CN103574808A (en) * 2013-10-16 2014-02-12 西安工程大学 Direct evaporation cooling air conditioner unit with variable air flue
CN203893339U (en) * 2014-05-23 2014-10-22 西安工程大学 Variable-air-duct energy-saving air conditioner

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CN201129808Y (en) * 2007-11-15 2008-10-08 西安工程大学 Vapor cooling and mechanical refrigeration compositing air-conditioning unit
CN101251283A (en) * 2008-03-03 2008-08-27 西安工程大学 Indirect transpiration-cooling type cold-wind/cold-water composite type air-conditioning unit
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Publication number Priority date Publication date Assignee Title
CN104776526A (en) * 2015-03-24 2015-07-15 西安工程大学 Wind-solar hybrid generation and evaporative-cooling refrigerant-direct-expansion combined air conditioning system
CN104776526B (en) * 2015-03-24 2017-10-31 西安工程大学 The evaporation cooling of honourable cogeneration is with the straight swollen air-conditioning system being combined of refrigerant
CN105020832A (en) * 2015-07-14 2015-11-04 西安工程大学 Integrated air conditioning unit suitable for interior of subway train
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CN105737302A (en) * 2016-02-26 2016-07-06 无锡市天兴净化空调设备有限公司 Central air-conditioning based on dry air energy
CN107152739A (en) * 2017-04-06 2017-09-12 西安工程大学 The indirect harl direct evaporating-cooling of coil pipe and mechanical refrigeration combined air conditioner unit
CN107246679A (en) * 2017-05-02 2017-10-13 西安工程大学 Evaporation cooling and mechanical refrigeration combined air-conditioner unit
CN107246679B (en) * 2017-05-02 2020-02-18 西安工程大学 Evaporative cooling and mechanical refrigeration combined air conditioning unit

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Application publication date: 20140827