CN104329759A - Temperature control dehumidification system and temperature control dehumidification method for fresh air of radiation air conditioner - Google Patents
Temperature control dehumidification system and temperature control dehumidification method for fresh air of radiation air conditioner Download PDFInfo
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- CN104329759A CN104329759A CN201410626815.0A CN201410626815A CN104329759A CN 104329759 A CN104329759 A CN 104329759A CN 201410626815 A CN201410626815 A CN 201410626815A CN 104329759 A CN104329759 A CN 104329759A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/147—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with both heat and humidity transfer between supplied and exhausted air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/54—Heating and cooling, simultaneously or alternatively
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention discloses a temperature control dehumidification system and a temperature control dehumidification method for the fresh air of a radiation air conditioner. The system comprises an air duct system, a radiation water circulation system and a cooling system, wherein the air duct system comprises a fresh return air treatment air duct and an exhaust air heat recovery air duct, which are independent; a pre-cooler/pre-heater and a temperature control heat exchanger are integrated corrugated finned type internally-threaded coiled pipes, and are connected with a radiation water inlet/outlet pipeline to form the radiation water circulation system; one stage of evaporator is used for direct evaporation, and two stages of condensers are connected in parallel to form a double-stage condensation cooling compression system. The system can be combined with the radiation air conditioner to independently control temperature and humidity, and besides a conditioning treatment function of a conventional dehumidification system, the system also has an exhaust air heat recovery function; a household compression cooling air conditioner is combined with the dehumidification system to realize cooling in summer, heating in winter and humidification in transition seasons; the running energy consumption is greatly lowered, and the shortcomings of dehumidification incapability and high condensation rate of the radiation air conditioner are overcome.
Description
Technical field
The present invention relates to a kind of family formula radiation air-conditioner multifunctional new wind temperature control dehumidification system and the annual temperature control dehumanization method of this new wind temperature control dehumidification system.
Background technology
Air-conditioning system originates from Europe, is in recent years at China's development novel air conditioning system more rapidly.Radiation cooling and heating technology have energy-conservation, transfer peak value power consumption, improve electrical network efficiency, indoor environment is comfortable and save the advantages such as space.But air-conditioning system itself does not possess dehumidifying effect, when radiative surface temperature is lower than air dew point temperature, can produce dew condensation phenomenon, affect indoor sanitation condition and use, especially in area, China Yangtze river basin, this phenomenon is more serious.For solving this drawback of air-conditioning system, the independent temperature-humidity control system that radiation air-conditioner is combined with fresh air dehumidification becomes the research topic of people.
It is several that common fresh air dehumidification mode mainly contains solution dehumidification, rotary wheel dehumidifying and cooling and dehumidifying.The dehumidifying effect of solution dehumidification is large, effect on moisture extraction is good, can improve indoor air quality, economize energy, but its equipment more complicated, bulky, floor space is comparatively large, and needs the thermal source of thermal regeneration, at moisture absorption device interior, solution meeting corroding metal, also can produce the spittle when solution flow rate is improper, drain into outside system together with dehumidified air, affect indoor human body healthy; Rotary wheel dehumidifying does not have the spittle of solution dehumidification to lose, and can obtain the dry air of low temperature, low dew point continuously, and humid air treating capacity is large, but the energy consumption of rotary dehumidifier is high, and system architecture is complicated, and reactivation heat is large, and initial cost is high; Cooling and dehumidifying can accurate effective control room humidity, although need reheating, energy consumption is higher, but cooling in summer, transition season dehumidifying, warming can be realized in conjunction with heat pump techniques, to compare solution dehumidification and rotary wheel dehumidifying, have and save floor space, the advantage such as easy to use, in energy saving or all have larger advantage in economy, have very strong applicability to the family formula residential housing of the Yangtze river basin.
Summary of the invention
The object of this invention is to provide the new wind temperature control dehumidification system of a kind of radiation air-conditioner, cooling and dehumidifying mode is adopted to dehumidify to new wind, utilize condensation heat to heat to the new wind after cool-down dehumidification, through the temperature-controlled heat exchanger that new wind exit is arranged, reach the object of temperature control dehumidifying.The present invention effectively overcomes the equipment complexity that prior art exists, and energy consumption is high, the perishable metal of bulky and solution, and producing the spittle affects healthy drawback, solves the problem that radiation air-conditioner can not dehumidify, easily condense.Because the present invention have employed air-to-air energy recovery method to Refrigerant heat pump circulation, not only economize energy, and achieve the independence of room conditioning regional air humidity is controlled, ensure that the ventilation demand of indoor air quality and sanitary ventilation, meet the operating condition of system Summer and winter and the excessively annual temperature control dehumidifying in season.
To achieve the above object of the invention, technical solution of the present invention is as follows:
The new wind temperature control dehumidification system of a kind of radiation air-conditioner, comprises ducting system, radiation water circulation system and refrigeration system.
A) described ducting system comprises independently new return air process air channel, air-to-air energy recovery air channel, pressure fan, exhaust blower; Precooling preheater, evaporimeter, 2# condenser, temperature-controlled heat exchanger, pressure fan by new wind direction successively arranged in series in the new return air treatment channel of all round closure; Set gradually exhaust blower, return air shunting section, 1# condenser along air draft direction in air-to-air energy recovery air channel, return air shunting section draws the return air section of propping up connecting new wind section arrival end, return air shunting section is provided with return air volume damper.
B) described radiation water circulation system comprises precooling preheater, temperature-controlled heat exchanger, radiation water inlet/outlet pipeline; Precooling preheater and temperature-controlled heat exchanger are overall corrugated fin formula internal thread coil pipe, are connected to form radiation water circulation system with radiation water inlet/outlet pipeline;
C) described refrigeration system comprises evaporimeter, compressor, 1# condenser, capillary throttle device, 2# condenser, four-way change-over valve, check valve V1, check valve V2, check valve V3, magnetic valve EV1, magnetic valve EV2; Compressor is held with A, B of four-way change-over valve and is connected, and the C end of four-way change-over valve is connected in parallel two-way refrigerant pipe, and a refrigerant pipe is connected with 2# condenser inlet section through motor-driven valve EV2; Another root refrigerant pipe connects motor-driven valve EV1, check valve V1 successively and is connected with 1# condenser inlet section; Check valve V2 one end is connected in parallel between motor-driven valve EV1 and four-way change-over valve C end, and the other end is connected in parallel between 1# condenser and check valve V1; Four-way change-over valve D end is connected with evaporator outlet section through refrigerant pipe, and 2# condenser is connected capillary throttle device through refrigerant pipe through check valve V3 after the parallel connection of 1# condenser.
The radiation air-conditioner temperature control dehumanization method of new wind temperature control dehumidification system, comprise cooling in summer, transition season dehumidifying, heat supply in winter Three models, by the folding of magnetic valve, use different condensers, realize cooling in summer, winter heating and transition season Indoor Thermal to wet requirement by controlling the switching of four-way change-over valve; It is characterized in that:
D) cooling in summer pattern: A, C, D end opening four-way change-over valve, opens magnetic valve EV1, the high-temperature high-pressure refrigerant gas of discharging from compressor holds inflow magnetic valve EV1 by four-way change-over valve C, through check valve V1, enter described 1# condenser, heat exchange is carried out with indoor exhaust wind, the thermal temperature of air draft absorption refrigeration agent gas raises and is discharged to outdoor, high-temperature high-pressure refrigerant gas is condensed into liquid, being become gas-liquid two-phase fluid after described capillary-compensated enters evaporimeter, heat exchange is carried out with the new wind in outdoor after the precooling of precooling preheater, new wind is released heat and is analysed wet, reduce temperature and water capacity, through temperature-controlled heat exchanger, sent into indoor by pressure fan, cold-producing medium heat absorption flashes to low temperature low pressure gas, hold and A end through four-way change-over valve D, enter compressor, complete a kind of refrigeration cycle,
E) winter heating's pattern: the A opening four-way change-over valve, C, D holds, the high-temperature high-pressure refrigerant gas of discharging from compressor enters evaporimeter by four-way change-over valve D end, heat exchange is carried out with the new wind of outdoor introducing after precooling preheater preheats, new wind absorbs heat, temperature raises, sent into indoor again after temperature-controlled heat exchanger heating by pressure fan, refrigerant gas cooling condensation becomes liquid by capillary-compensated, become gas-liquid two-phase fluid, enter 1# condenser, heat exchange is carried out with indoor exhaust wind, heat is released in air draft, temperature reduces, outdoor is drained into by described exhaust blower, cold-producing medium heat absorption is evaporated into gas, through check valve V2, held by four-way change-over valve C and A end, enter compressor, complete one and heat circulation,
F) transition season dehumidification mode: comprise the not high and little two kinds of situations of temperature higher levels of humidity of the larger temperature of humidity;
when the larger temperature of humidity is not high: open four-way change-over valve A end, C end and D end, open magnetic valve EV1, EV2, the high-temperature high-pressure refrigerant gas of discharging from compressor holds a point two-way by four-way change-over valve C, one road flows into magnetic valve EV2, enter 2# condenser, heat exchange is carried out with the new wind of outdoor after the precooling of precooling preheater and evaporimeter dehumidify, after new wind endothermic temperature raises, sent into indoor again after temperature-controlled heat exchanger is cold again by pressure fan, high-temperature high-pressure refrigerant gas is condensed into liquid, another road cold-producing medium flows into magnetic valve EV1, through check valve V1, enter 1# condenser, heat exchange is carried out with indoor exhaust wind, the thermal temperature of air draft absorption refrigeration agent gas raises and is discharged to outdoor, high-temperature high-pressure refrigerant gas is condensed into liquid, converge with last road refrigerant liquid, gas-liquid two-phase fluid is become after capillary throttle device, enter evaporimeter, heat exchange is carried out with the new wind of outdoor introducing, new wind is released heat and is analysed wet, temperature and water capacity reduce, cold-producing medium heat absorption flashes to low temperature low pressure gas, hold and A end through four-way change-over valve D, enter compressor, complete a dehumidifying circulation,
when temperature higher levels of humidity is little: open four-way change-over valve A end, C end and D end, open magnetic valve EV2, the high-temperature high-pressure refrigerant gas of discharging from compressor holds inflow magnetic valve EV2 by four-way change-over valve C, enter 2# condenser, heat exchange is carried out with the new wind of outdoor after evaporator cools dehumidifies, after new wind endothermic temperature raises, sent into indoor by pressure fan, high-temperature high-pressure refrigerant gas is condensed into liquid, through check valve V3, become gas-liquid two-phase fluid after capillary throttle device and enter described evaporimeter, heat exchange is carried out with the new wind in outdoor, new wind is released heat and is analysed wet, temperature and water capacity reduce, cold-producing medium heat absorption flashes to low temperature low pressure gas, hold and A end through four-way change-over valve D, enter compressor, complete a dehumidifying circulation.
Beneficial effect of the present invention is as follows:
The present invention utilizes controlled air pretreatment and the final stage temperature adjustment again of radiation water, and adopts one-level evaporimeter directly to evaporate, the condensed in two stages device refrigeration compression system realizing two section condensation in parallel at the same level.The present invention, except the heat and wet treatment function (cooling in summer, Winter heat supply, transition season dehumidify) possessing conventional dehumidification system and have, also possesses the function of air draft being carried out to recuperation of heat.Traditional compression refrigeration domestic air-conditioning system organically combines with dehumidification system by the present invention, while realizing cooling in summer, winter heating, transition season dehumidifying and reduction operation energy consumption, for people provide the indoor environment of comfortable, a good air quality, solve radiation air-conditioner can not dehumidify, easily the drawback of condensation.New wind temperature control dehumidification system structure is simple, independent temperature-humidity control, and temperature control dehumidification rate improves, and by the recuperation of heat to air draft, has saved energy consumption, has been combined with radiation air-conditioner, can integrate the functions such as Temperature and Humidity Control, ventilation ventilation and Heat Pump recovery.
Accompanying drawing explanation
Fig. 1 is the new wind temperature control dehumidification system structural representation of radiation air-conditioner of the present invention.
1, precooling preheater, 2, evaporimeter, 3,2# condenser, 4, temperature-controlled heat exchanger, 5, pressure fan, 6,1# condenser, 7, four-way change-over valve, 8, capillary throttle device, 9, compressor, 10, exhaust blower, 11, check valve V3,12, motor-driven valve EV2,13, motor-driven valve EV1,14, check valve V1,15, check valve V2.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in further detail.
In Fig. 1, in refrigerating circuit, compressor 9 high-pressure side is held with the A of four-way change-over valve 7 and is connected, low-pressure end is held with the B of four-way change-over valve 7 and is connected, the C end of four-way change-over valve 7 is connected in parallel two-way refrigerant pipe, refrigerant pipe is connected with 2# condenser 3 entrance once motor-driven valve EV2 12, and refrigerant pipe two connects motor-driven valve EV1 13, check valve V1 14 successively and is connected with 1# condenser 6 entrance; 1# condenser 6 outlet section is connected capillary throttle device 8 entrance with after the parallel connection of 2# condenser 3 outlet section, capillary throttle device 8 outlet section connects evaporimeter 2 entrance, the D of evaporimeter 2 outlet section and four-way change-over valve 7 holds and A holds and enters compressor 9, forms refrigeration cycle.Check valve V2 15 one end is connected in parallel between the C end of motor-driven valve EV1 13 and four-way change-over valve 7, and the other end is connected in parallel between 1# condenser 6 and check valve V1 14; The D end of four-way change-over valve 7 is connected with evaporimeter 2 outlet section through refrigerant pipe, and 2# condenser 3 is connected capillary throttle device 8 through refrigerant pipe through check valve V3 11 after 1# condenser 6 parallel connection.
Radiation water circulation system comprises radiation water precooling preheater 1, radiation water temperature-controlled heat exchanger 4, radiation water inlet/outlet pipeline; Radiation water precooling preheater 1 and radiation water temperature-controlled heat exchanger 4 are overall corrugated fin formula internal thread coil pipe, are connected to form radiation water circulation system with radiation water inlet/outlet pipeline.Described ducting system comprises independently new return air process air channel, air-to-air energy recovery air channel, pressure fan, exhaust blower.
Present system principle is divided into cooling in summer pattern principle, winter heating's pattern principle, transition season dehumidifying A pattern principle, transition season dehumidifying B-mode principle.Be described below:
A. cooling in summer pattern principle is: the high-temperature high-pressure refrigerant gas of discharging in compressor 9 in refrigerating circuit flows into magnetic valve EV1 13 by four-way change-over valve 7 from C end, 1# condenser 6 is entered through check valve V1 14, heat exchange is carried out with indoor exhaust wind, the thermal temperature of air draft absorption refrigeration agent gas raises and is discharged to outdoor, high-temperature high-pressure refrigerant gas is condensed into liquid, being become gas-liquid two-phase fluid after capillary throttle device 8 throttling enters evaporimeter 2, heat exchange is carried out with the new wind in outdoor after precooling preheater 1 precooling, new wind is released heat and is analysed wet, reduce temperature and water capacity, through temperature-controlled heat exchanger 4, temperature raises within the specific limits, indoor are sent into by pressure fan 5, cold-producing medium heat absorption flashes to low temperature low pressure gas, through D end and the A end of four-way change-over valve 7, enter compressor 9, complete a kind of refrigeration cycle.
B. winter heating's pattern principle is: the high-temperature high-pressure refrigerant gas of discharging in compressor 9 in refrigerating circuit enters evaporimeter 2 by four-way change-over valve 7 from D end, heat exchange is carried out with the new wind of outdoor introducing after precooling preheater 1 preheating, new wind absorbs heat, temperature raises, indoor are sent into by pressure fan 5 again after temperature-controlled heat exchanger 4 reheating, refrigerant gas cooling condensation becomes liquid by capillary throttle device 8 throttling, become gas-liquid two-phase fluid, enter described 1# condenser 6, heat exchange is carried out with indoor exhaust wind, heat is released in air draft, temperature reduces, outdoor is drained into by exhaust blower 10, cold-producing medium heat absorption is evaporated into gas, through check valve V2 15, by C end and the A end of four-way change-over valve 7, enter compressor 9, complete one and heat circulation.
C. transition season dehumidifying A pattern principle is: the high-temperature high-pressure refrigerant gas of discharging in compressor 9 in refrigerating circuit divides two-way by four-way change-over valve 7 from C end, one road flows into magnetic valve EV2 12, enter 2# condenser 3, heat exchange is carried out with the new wind of outdoor after precooling preheater 1 precooling and evaporimeter 2 dehumidify, after new wind endothermic temperature raises, after temperature-controlled heat exchanger 4 is cold again, sent into indoor by pressure fan 5 again, high-temperature high-pressure refrigerant gas is condensed into liquid, an other road cold-producing medium flows into magnetic valve EV1 13, through check valve V1 14, enter 1# condenser 6, heat exchange is carried out with indoor exhaust wind, the thermal temperature of air draft absorption refrigeration agent gas raises and is discharged to outdoor, high-temperature high-pressure refrigerant gas is condensed into liquid, converge with the refrigerant liquid on a road above, gas-liquid two-phase fluid is become by after capillary throttle device 8 throttling, enter evaporimeter 2, heat exchange is carried out with the new wind of outdoor introducing, new wind is released heat and is analysed wet, temperature and water capacity reduce, cold-producing medium heat absorption flashes to low temperature low pressure gas, through D end and the A end of four-way change-over valve 7, enter compressor 9, complete dehumidifying A circulation.
D. transition season dehumidifying B-mode principle is: the high-temperature high-pressure refrigerant gas of discharging in compressor 9 in refrigerating circuit flows into magnetic valve EV2 12 by four-way change-over valve 7 from C end, enter 2# condenser 3, heat exchange is carried out with the new wind of outdoor after evaporator 2 cooling and dehumidifying, after new wind endothermic temperature raises, indoor are sent into by new blower fan 5, high-temperature high-pressure refrigerant gas is condensed into liquid, through check valve V3 11, being become gas-liquid two-phase fluid after capillary throttle device 8 throttling enters evaporimeter 2, heat exchange is carried out with the new wind in outdoor, new wind is released heat and is analysed wet, temperature and water capacity reduce, cold-producing medium heat absorption flashes to low temperature low pressure gas, through D end and the A end of four-way change-over valve 7, enter compressor 9, complete dehumidifying B circulation.
Above detailed concrete introduction is carried out to present system and system principle; and further illustrate principle of the present invention and embodiment by specific embodiment; the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; instead of its invention is limited; any in the protection domain of spirit of the present invention and claim; the any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (2)
1. the new wind temperature control dehumidification system of radiation air-conditioner, comprises ducting system, radiation water circulation system and refrigeration system; It is characterized in that:
A) described ducting system comprises independently new return air process air channel, air-to-air energy recovery air channel, pressure fan, exhaust blower; Precooling preheater, evaporimeter, 2# condenser, temperature-controlled heat exchanger, pressure fan by new wind direction successively arranged in series in the new return air treatment channel of all round closure; Set gradually exhaust blower, return air shunting section, 1# condenser along air draft direction in air-to-air energy recovery air channel, return air shunting section draws the return air section of propping up connecting new wind section arrival end, return air shunting section is provided with return air volume damper;
B) described radiation water circulation system comprises precooling preheater, temperature-controlled heat exchanger, radiation water inlet/outlet pipeline; Precooling preheater and temperature-controlled heat exchanger are overall corrugated fin formula internal thread coil pipe, are connected to form radiation water circulation system with radiation water inlet/outlet pipeline;
C) described refrigeration system comprises evaporimeter, compressor, 1# condenser, capillary throttle device, 2# condenser, four-way change-over valve, check valve V1, check valve V2, check valve V3, magnetic valve EV1, magnetic valve EV2; Compressor is held with A, B of four-way change-over valve and is connected, and the C end of four-way change-over valve is connected in parallel two-way refrigerant pipe, and a refrigerant pipe is connected with 2# condenser inlet section through motor-driven valve EV2; Another root refrigerant pipe connects motor-driven valve EV1, check valve V1 successively and is connected with 1# condenser inlet section; Check valve V2 one end is connected in parallel between motor-driven valve EV1 and four-way change-over valve C end, and the other end is connected in parallel between 1# condenser and check valve V1; Four-way change-over valve D end is connected with evaporator outlet section through refrigerant pipe, and 2# condenser is connected capillary throttle device through refrigerant pipe through check valve V3 after the parallel connection of 1# condenser.
2. the radiation air-conditioner according to claim 1 temperature control dehumanization method of new wind temperature control dehumidification system, comprise cooling in summer, transition season dehumidifying, heat supply in winter Three models, by the folding of magnetic valve, use different condensers, realize cooling in summer, winter heating and transition season Indoor Thermal to wet requirement by controlling the switching of four-way change-over valve; It is characterized in that:
D) cooling in summer pattern: A, C, D end opening four-way change-over valve, opens magnetic valve EV1, the high-temperature high-pressure refrigerant gas of discharging from compressor holds inflow magnetic valve EV1 by four-way change-over valve C, through check valve V1, enter described 1# condenser, heat exchange is carried out with indoor exhaust wind, the thermal temperature of air draft absorption refrigeration agent gas raises and is discharged to outdoor, high-temperature high-pressure refrigerant gas is condensed into liquid, being become gas-liquid two-phase fluid after described capillary-compensated enters evaporimeter, heat exchange is carried out with the new wind in outdoor after the precooling of precooling preheater, new wind is released heat and is analysed wet, reduce temperature and water capacity, through temperature-controlled heat exchanger, sent into indoor by pressure fan, cold-producing medium heat absorption flashes to low temperature low pressure gas, hold and A end through four-way change-over valve D, enter compressor, complete a kind of refrigeration cycle,
E) winter heating's pattern: the A opening four-way change-over valve, C, D holds, the high-temperature high-pressure refrigerant gas of discharging from compressor enters evaporimeter by four-way change-over valve D end, heat exchange is carried out with the new wind of outdoor introducing after precooling preheater preheats, new wind absorbs heat, temperature raises, sent into indoor again after temperature-controlled heat exchanger heating by pressure fan, refrigerant gas cooling condensation becomes liquid by capillary-compensated, become gas-liquid two-phase fluid, enter 1# condenser, heat exchange is carried out with indoor exhaust wind, heat is released in air draft, temperature reduces, outdoor is drained into by described exhaust blower, cold-producing medium heat absorption is evaporated into gas, through check valve V2, held by four-way change-over valve C and A end, enter compressor, complete one and heat circulation,
F) transition season dehumidification mode: comprise the not high and little two kinds of situations of temperature higher levels of humidity of the larger temperature of humidity;
when the larger temperature of humidity is not high: open four-way change-over valve A end, C end and D end, open magnetic valve EV1, EV2, the high-temperature high-pressure refrigerant gas of discharging from compressor holds a point two-way by four-way change-over valve C, one road flows into magnetic valve EV2, enter 2# condenser, heat exchange is carried out with the new wind of outdoor after the precooling of precooling preheater and evaporimeter dehumidify, after new wind endothermic temperature raises, sent into indoor again after temperature-controlled heat exchanger is cold again by pressure fan, high-temperature high-pressure refrigerant gas is condensed into liquid, another road cold-producing medium flows into magnetic valve EV1, through check valve V1, enter 1# condenser, heat exchange is carried out with indoor exhaust wind, the thermal temperature of air draft absorption refrigeration agent gas raises and is discharged to outdoor, high-temperature high-pressure refrigerant gas is condensed into liquid, converge with last road refrigerant liquid, gas-liquid two-phase fluid is become after capillary throttle device, enter evaporimeter, heat exchange is carried out with the new wind of outdoor introducing, new wind is released heat and is analysed wet, temperature and water capacity reduce, cold-producing medium heat absorption flashes to low temperature low pressure gas, hold and A end through four-way change-over valve D, enter compressor, complete a dehumidifying circulation,
when temperature higher levels of humidity is little: open four-way change-over valve A end, C end and D end, open magnetic valve EV2, the high-temperature high-pressure refrigerant gas of discharging from compressor holds inflow magnetic valve EV2 by four-way change-over valve C, enter 2# condenser, heat exchange is carried out with the new wind of outdoor after evaporator cools dehumidifies, after new wind endothermic temperature raises, sent into indoor by pressure fan, high-temperature high-pressure refrigerant gas is condensed into liquid, through check valve V3, become gas-liquid two-phase fluid after capillary throttle device and enter described evaporimeter, heat exchange is carried out with the new wind in outdoor, new wind is released heat and is analysed wet, temperature and water capacity reduce, cold-producing medium heat absorption flashes to low temperature low pressure gas, hold and A end through four-way change-over valve D, enter compressor, complete a dehumidifying circulation.
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| CN104633817A (en) * | 2015-02-12 | 2015-05-20 | 上海境和环境科技有限公司 | Fresh air system for radiation air conditioner and fresh air processing method |
| CN105509259A (en) * | 2016-02-22 | 2016-04-20 | 珠海格力电器股份有限公司 | Control method and related device of radiation fresh air conditioning system |
| CN105674501A (en) * | 2016-02-22 | 2016-06-15 | 珠海格力电器股份有限公司 | Control method and related device of radiation fresh air conditioning system |
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Address after: 200093 Shanghai military road, Yangpu District, No. 516 Co-patentee after: Shanghai source information environment Polytron Technologies Inc Patentee after: University of Shanghai for Science and Technology Address before: 200093 Shanghai military road, Yangpu District, No. 516 Co-patentee before: SHANGHAI YUANZHI ENVIRONMENTAL TECHNOLOGY CO., LTD. Patentee before: University of Shanghai for Science and Technology |