CN105135531A - Air-conditioning unit for low-energy-consumption residential buildings - Google Patents
Air-conditioning unit for low-energy-consumption residential buildings Download PDFInfo
- Publication number
- CN105135531A CN105135531A CN201510618834.3A CN201510618834A CN105135531A CN 105135531 A CN105135531 A CN 105135531A CN 201510618834 A CN201510618834 A CN 201510618834A CN 105135531 A CN105135531 A CN 105135531A
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- Prior art keywords
- port
- valve
- air
- heat exchanger
- check valve
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Classifications
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
Abstract
The invention relates to an air-conditioning unit, in particular to an air-conditioning unit for low-energy-consumption residential building, and belongs to the technical field of residential air conditioning. The air-conditioning unit comprises an indoor unit and an outdoor unit, wherein a fresh air system and an air-conditioning system are respectively arranged in the indoor unit and the outdoor unit; an air heat exchanger is arranged in the front of the indoor unit; a primary filter, an active carbon filter and an efficient filter are sequentially arranged in the middle of the indoor unit from left to right; an air supply outlet is formed in the rear part of the indoor unit; a precooler, an indoor side heat exchanger and a reheater are sequentially arranged in the front of the air supply outlet from left to right. The air-conditioning unit has four working modes of refrigerating, heating, dehumidifying and ventilating; in the ventilating mode, a supply fan works at a low speed, and an exhaust fan works normally to achieve the purposes of both fresh air supply and air purification; multiple (primary-effect, median-effect and high-effect) air filtering modes are adopted, and air purification is realized through fresh air filtering and air return circulatory filtering modes.
Description
Technical field
The present invention relates to a kind of air conditioning unit, specifically a kind of air conditioning unit of low energy building house, belong to residential air regulation technology field.
Background technology
The energy is more and more nervous in the world, and building energy consumption occupies larger ratio in whole energy resource consumption, therefore how to reduce the direction that building energy consumption is energy-saving and emission-reduction, and green or low energy building arises at the historic moment thus.And for such building, especially how to realize efficient air conditioning now basic or blank.Therefore, unit is regulated in the urgent need to developing a kind of highly effective air being applicable to green or low energy-consumption house building.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thus a kind of air conditioning unit of low energy building house is provided, adopt warm and humid separately control mode, realize the refrigeration of residential housing, heat, the Effec-tive Function of new wind and purification of air, meet the demand of household metering simultaneously.
According to technical scheme provided by the invention, a kind of air conditioning unit of low energy building house comprises indoor units and outdoor unit, in indoor units and outdoor unit, be provided with VMC and air-conditioning system, it is characterized in that: VMC comprises air returning valve, new air-valve, air heat exchanger, exhaust valve, roughing efficiency air filter, charcoal filter, high efficiency particulate air filter, indoor heat exchanger, reheater, the 3rd check valve, electric expansion valve, the first cross valve, the first compressor, the second cross valve, outdoor heat exchanger and check valve assembly; Air-conditioning system comprises forecooler, the 3rd cross valve, the first heating power expansion valve, the 6th check valve, the second compressor, reservoir, the second heating power expansion valve, the 7th check valve, pre-low temperature valve, water fluorine plate type heat exchanger and water pump;
The front portion of indoor units is provided with air heat exchanger, the indoor units housing of air heat exchanger front portion is provided with return air inlet and fresh inlet, air returning valve is provided with in return air inlet, new air-valve is provided with in fresh inlet, the indoor units housing at air heat exchanger rear portion is provided with exhaust outlet, is provided with exhaust valve in exhaust outlet; The middle part of indoor units is provided with roughing efficiency air filter, charcoal filter and high efficiency particulate air filter from left to right successively; The rear portion of indoor units is provided with air outlet, and air outlet front portion is from left to right provided with forecooler, indoor heat exchanger and reheater successively; The first cross valve, the first compressor, the second cross valve, outdoor heat exchanger, the 3rd cross valve, the first heating power expansion valve and the second compressor is provided with in outdoor unit;
First port of forecooler connects the first port of pre-low temperature valve, second port of pre-low temperature valve connects the first port of water fluorine plate type heat exchanger, second port of forecooler connects the first port of water pump, second port of water pump connects the second port of water fluorine plate type heat exchanger, 3rd port of water fluorine plate type heat exchanger connects the first port of the second heating power expansion valve, second port of the second heating power expansion valve connects the first port of reservoir, second port of reservoir connects the first port of the first heating power expansion valve, 4th port of the second port junction chamber external heat exchanger of the first heating power expansion valve, 4th port of water fluorine plate type heat exchanger connects the 3rd cross valve first port, 3rd port of the second port junction chamber external heat exchanger of the 3rd cross valve, 3rd port of the 3rd cross valve connects the first port of the second compressor, second port of the second compressor connects the 4th port of the 3rd cross valve,
First port of indoor heat exchanger connects the first port of check valve assembly, check valve assembly comprises the first check valve, the second check valve, the 4th check valve and the 5th check valve, and the pipeline that the first check valve, the 5th check valve are serially connected in and the pipeline that the second check valve, the 4th check valve are serially connected in are connected in parallel; First port of electric expansion valve is connected between the first check valve and the 5th check valve, and the second port of electric expansion valve is connected between the second check valve and the 4th check valve; Second port of the second port junction chamber external heat exchanger of check valve assembly; Second port of indoor heat exchanger connects the first port of the second cross valve, first port of the second port junction chamber external heat exchanger of the second cross valve, 3rd port of the second cross valve connects the first port of the first cross valve by the first branch road, 3rd port of the second cross valve connects the second port of the first compressor by the second branch road, 4th port of the second cross valve connects the first port of the first compressor by the first branch road, the 4th port of the second cross valve connects the second port of the first cross valve by the second branch road;
First port of reheater connects the 3rd check valve first port, and the second port of the 3rd check valve connects between the first check valve and the 5th check valve, and the second port of reheater connects the 3rd port of the first cross valve.
Further, exhaust valve rear end is provided with exhaust blower.
Further, air outlet place is provided with pressure fan.
Further, the second heating power expansion valve is other is provided with the 7th check valve be connected in parallel with the second heating power expansion valve.
Further, the first heating power expansion valve is other is provided with the 6th check valve be connected in parallel with the first heating power expansion valve.
Further, the first compressor and the second compressor are frequency conversion or invariable frequency compressor.
Compared with the prior art the present invention has the following advantages:
The present invention has " refrigeration ", " heating ", " dehumidifying ", " ventilation " four kinds of mode of operations, under " ventilation " pattern, pressure fan low cruise, exhaust blower normally runs, and realizes the object of new wind+purification of air.Adopt multiple (just effect+middle effect+efficiently) air filtration mode, to be filtered by new wind and the mode of return air circulating filtration realizes purification of air; The present invention adopts warm and humid separately control mode, realizes the refrigeration of residential housing, heats, the Effec-tive Function of new wind and purification of air, meets the demand of household metering simultaneously.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Description of reference numerals: 1-air returning valve, the new air-valve of 2-, 3-air heat exchanger, 4-exhaust valve, 5-exhaust blower, 6-roughing efficiency air filter, 7-charcoal filter, 8-high efficiency particulate air filter, 9-forecooler, 10-indoor heat exchanger, 11-reheater, 12-pressure fan, 13-first check valve, 14-second check valve, 15-the 3rd check valve, 16-electric expansion valve, 17-the 4th check valve, 18-the 5th check valve, 19-first cross valve, 20-first compressor, 21-second cross valve, 22-outdoor heat exchanger, 23-the 3rd cross valve, 24-first heating power expansion valve, 25-the 6th check valve, 26-second compressor, 27-reservoir, 28-second heating power expansion valve, 29-the 7th check valve, the pre-low temperature valve of 30-, 31-water fluorine plate type heat exchanger, 32-water pump.
Detailed description of the invention
Embodiment in is by reference to the accompanying drawings further described by the present invention below:
As shown in Figure 1, the present invention mainly comprises indoor units and outdoor unit, in indoor units and outdoor unit, be provided with VMC and air-conditioning system.The new wind of VMC process and return air, reduce wet-bulb temperature in room when freezing simultaneously.Air-conditioning system provides cold (heat) source of ceiling or capillary, can be used as cold (heat) source of new wind and return air precooling (heat) simultaneously.
VMC comprises air returning valve 1, new air-valve 2, air heat exchanger 3, exhaust valve 4, exhaust blower 5, roughing efficiency air filter 6, charcoal filter 7, high efficiency particulate air filter 8, indoor heat exchanger 10, reheater 11, pressure fan 12, first check valve 13, second check valve 14, the 3rd check valve 15, electric expansion valve 16, the 4th check valve 17, the 5th check valve 18, first cross valve 19, first compressor 20, second cross valve 21 and outdoor heat exchanger 22.
Air-conditioning system comprises forecooler 9, the 3rd cross valve 23, first heating power expansion valve 24, the 6th check valve 25, second compressor 26, reservoir 27, second heating power expansion valve 28, the 7th check valve 29, pre-low temperature valve 30, water fluorine plate type heat exchanger 31 and water pump 32.
The front portion of indoor units is provided with air heat exchanger 3, and the indoor units housing of air heat exchanger 3 front portion is provided with return air inlet and fresh inlet, is provided with air returning valve 1 in return air inlet, is provided with new air-valve 2 in fresh inlet.The indoor units housing at air heat exchanger 3 rear portion is provided with exhaust outlet, is provided with exhaust valve 4 in exhaust outlet, and exhaust valve 4 rear end is provided with exhaust blower 5, realizes powerful air draft by exhaust blower 5.
The middle part of indoor units is provided with roughing efficiency air filter 6, charcoal filter 7 and high efficiency particulate air filter 8 from left to right successively, pretreatment is filtered layer by layer to entering indoor air by roughing efficiency air filter 6, charcoal filter 7 and high efficiency particulate air filter 8, and reclaim the air energy entering outdoor, reach energy-saving and cost-reducing object.
The rear portion of indoor units is provided with air outlet, and air outlet front portion is from left to right provided with forecooler 9, indoor heat exchanger 10 and reheater 11 successively.Described air outlet place is provided with pressure fan 12, realizes powerful air-supply by pressure fan 12.
The first cross valve 19, first compressor 20, second cross valve 21, outdoor heat exchanger 22, the 3rd cross valve 23, first heating power expansion valve 24 and the second compressor 26 is provided with in outdoor unit.
First port of forecooler 9 connects the first port of pre-low temperature valve 30, and the second port of pre-low temperature valve 30 connects the first port of water fluorine plate type heat exchanger 31.Second port of forecooler 9 connects the first port of water pump 32, and the second port of water pump 32 connects the second port of water fluorine plate type heat exchanger 31.3rd port of water fluorine plate type heat exchanger 31 connects the first port of the second heating power expansion valve 28, and the second port of the second heating power expansion valve 28 connects the first port of reservoir 27.Second port of reservoir 27 connects the first port of the first heating power expansion valve 24, the 4th port of the second port junction chamber external heat exchanger 22 of the first heating power expansion valve 24.4th port of water fluorine plate type heat exchanger 31 connects the 3rd cross valve 23 first port, 3rd port of the second port junction chamber external heat exchanger 22 of the 3rd cross valve 23,3rd port of the 3rd cross valve 23 connects the first port of the second compressor 26, and the second port of the second compressor 26 connects the 4th port of the 3rd cross valve 23.
Other the 7th check valve 29, first heating power expansion valve 24 side be connected in parallel with the second heating power expansion valve 28 that is provided with of described second heating power expansion valve 28 is provided with the 6th check valve 25 be connected in parallel with the first heating power expansion valve 24.
First port of indoor heat exchanger 10 connects the first port of check valve assembly, check valve assembly comprises pipeline that the first check valve 13, second check valve 14, the 4th check valve 17 and the 5th check valve 18, first check valve 13, the 5th check valve 18 be serially connected in and the pipeline that the second check valve 14, the 4th check valve 17 are serially connected in is connected in parallel.First port of electric expansion valve 16 is connected between the first check valve 13 and the 5th check valve 18, and the second port of electric expansion valve 16 is connected between the second check valve 14 and the 4th check valve 17.Second port of the second port junction chamber external heat exchanger 22 of check valve assembly.Second port of indoor heat exchanger 10 connects the first port of the second cross valve 21, the first port of the second port junction chamber external heat exchanger 22 of the second cross valve 21.3rd port of the second cross valve 21 connects the first port of the first cross valve 19 by the first branch road, the 3rd port of the second cross valve 21 connects the second port of the first compressor 20 by the second branch road.4th port of the second cross valve 21 connects the first port of the first compressor 20 by the first branch road, the 4th port of the second cross valve 21 connects the second port of the first cross valve 19 by the second branch road.
First port of reheater 11 connects the 3rd check valve 15 first port, and the second port of the 3rd check valve 15 connects between the first check valve 13 and the 5th check valve 18.Second port of reheater 11 connects the 3rd port of the first cross valve 19.
Described first compressor 20 and the second compressor 26 are frequency conversion or invariable frequency compressor.
Described air heat exchanger 3 is total-heat exchanger or sensible heat exchanger, heat recovery efficiency >=75%.
Operation principle of the present invention is: operationally, after the air entered outside indoor fresh air and discharge chamber carries out energy exchange by air heat exchanger, after mixing with the return air of indoor, indoor by being sent into by pressure fan after indoor heat exchanger and reheater after forecooler cooling after roughing efficiency air filter, charcoal filter, high efficiency particulate air filter Filtration Filtration, reach purification of air+pre-cooling of fresh air+refrigeration+or heat+object of new wind+purification of air.The present invention has " refrigeration ", " heating ", " dehumidifying ", " ventilation " four kinds of mode of operations, under " ventilation " pattern, pressure fan low cruise, exhaust blower normally runs, and realizes the object of new wind+purification of air.Adopt multiple (just effect+middle effect+efficiently) air filtration mode, to be filtered by new wind and the mode of return air circulating filtration realizes purification of air.
Claims (6)
1. the air conditioning unit of a low energy building house, comprise indoor units and outdoor unit, VMC and air-conditioning system is provided with in indoor units and outdoor unit, it is characterized in that: VMC comprises air returning valve (1), new air-valve (2), air heat exchanger (3), exhaust valve (4), roughing efficiency air filter (6), charcoal filter (7), high efficiency particulate air filter (8), indoor heat exchanger (10), reheater (11), 3rd check valve (15), electric expansion valve (16), first cross valve (19), first compressor (20), second cross valve (21), outdoor heat exchanger (22) and check valve assembly, air-conditioning system comprises forecooler (9), the 3rd cross valve (23), the first heating power expansion valve (24), the 6th check valve (25), the second compressor (26), reservoir (27), the second heating power expansion valve (28), the 7th check valve (29), pre-low temperature valve (30), water fluorine plate type heat exchanger (31) and water pump (32),
The front portion of indoor units is provided with air heat exchanger (3), the indoor units housing of air heat exchanger (3) front portion is provided with return air inlet and fresh inlet, air returning valve (1) is provided with in return air inlet, new air-valve (2) is provided with in fresh inlet, the indoor units housing at air heat exchanger (3) rear portion is provided with exhaust outlet, is provided with exhaust valve (4) in exhaust outlet; The middle part of indoor units is provided with roughing efficiency air filter (6), charcoal filter (7) and high efficiency particulate air filter (8) from left to right successively; The rear portion of indoor units is provided with air outlet, and air outlet front portion is from left to right provided with forecooler (9), indoor heat exchanger (10) and reheater (11) successively; The first cross valve (19), the first compressor (20), the second cross valve (21), outdoor heat exchanger (22), the 3rd cross valve (23), the first heating power expansion valve (24) and the second compressor (26) is provided with in outdoor unit;
First port of forecooler (9) connects the first port of pre-low temperature valve (30), second port of pre-low temperature valve (30) connects the first port of water fluorine plate type heat exchanger (31), second port of forecooler (9) connects the first port of water pump (32), second port of water pump (32) connects the second port of water fluorine plate type heat exchanger (31), 3rd port of water fluorine plate type heat exchanger (31) connects the first port of the second heating power expansion valve (28), second port of the second heating power expansion valve (28) connects the first port of reservoir (27), second port of reservoir (27) connects the first port of the first heating power expansion valve (24), 4th port of the second port junction chamber external heat exchanger (22) of the first heating power expansion valve (24), 4th port of water fluorine plate type heat exchanger (31) connects the 3rd cross valve (23) first port, 3rd port of the second port junction chamber external heat exchanger (22) of the 3rd cross valve (23), 3rd port of the 3rd cross valve (23) connects the first port of the second compressor (26), second port of the second compressor (26) connects the 4th port of the 3rd cross valve (23),
First port of indoor heat exchanger (10) connects the first port of check valve assembly, check valve assembly comprises the first check valve (13), the second check valve (14), the 4th check valve (17) and the 5th check valve (18), and the pipeline that the first check valve (13), the 5th check valve (18) are serially connected in and the pipeline that the second check valve (14), the 4th check valve (17) are serially connected in are connected in parallel, first port of electric expansion valve (16) is connected between the first check valve (13) and the 5th check valve (18), and the second port of electric expansion valve (16) is connected between the second check valve (14) and the 4th check valve (17), second port of the second port junction chamber external heat exchanger (22) of check valve assembly, second port of indoor heat exchanger (10) connects the first port of the second cross valve (21), first port of the second port junction chamber external heat exchanger (22) of the second cross valve (21), 3rd port of the second cross valve (21) connects the first port of the first cross valve (19) by the first branch road, 3rd port of the second cross valve (21) connects the second port of the first compressor (20) by the second branch road, 4th port of the second cross valve (21) connects the first port of the first compressor (20) by the first branch road, 4th port of the second cross valve (21) connects the second port of the first cross valve (19) by the second branch road,
First port of reheater (11) connects the 3rd check valve (15) first port, second port of the 3rd check valve (15) connects between the first check valve (13) and the 5th check valve (18), and the second port of reheater (11) connects the 3rd port of the first cross valve (19).
2. the air conditioning unit of a kind of low energy building house as claimed in claim 1, is characterized in that: described exhaust valve (4) rear end is provided with exhaust blower (5).
3. the air conditioning unit of a kind of low energy building house as claimed in claim 1, is characterized in that: described air outlet place is provided with pressure fan (12).
4. the air conditioning unit of a kind of low energy building house as claimed in claim 1, is characterized in that: described second heating power expansion valve (28) is other is provided with the 7th check valve (29) be connected in parallel with the second heating power expansion valve (28).
5. the air conditioning unit of a kind of low energy building house as claimed in claim 1, is characterized in that: described first heating power expansion valve (24) is other is provided with the 6th check valve (25) be connected in parallel with the first heating power expansion valve (24).
6. the air conditioning unit of a kind of low energy building house as claimed in claim 1, is characterized in that: described first compressor (20) and the second compressor (26) are frequency conversion or invariable frequency compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618834.3A CN105135531B (en) | 2015-09-24 | 2015-09-24 | A kind of air adjustment unit of low energy building house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618834.3A CN105135531B (en) | 2015-09-24 | 2015-09-24 | A kind of air adjustment unit of low energy building house |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105135531A true CN105135531A (en) | 2015-12-09 |
| CN105135531B CN105135531B (en) | 2017-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510618834.3A Active CN105135531B (en) | 2015-09-24 | 2015-09-24 | A kind of air adjustment unit of low energy building house |
Country Status (1)
| Country | Link |
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| CN (1) | CN105135531B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226101A (en) * | 2017-05-16 | 2017-10-03 | 同济大学 | A kind of urban rail transit vehicles dedicated fresh air unit |
| CN107560220A (en) * | 2017-10-19 | 2018-01-09 | 无锡同方人工环境有限公司 | Using ice protection system outside the Passive House air conditioning chamber of check valve |
| CN110715477A (en) * | 2019-11-28 | 2020-01-21 | 广东美的制冷设备有限公司 | Compressed air heat exchange system |
| WO2020192130A1 (en) * | 2019-03-22 | 2020-10-01 | 艾默生环境优化技术(苏州)有限公司 | Environment optimization system |
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| CN205026808U (en) * | 2015-09-24 | 2016-02-10 | 无锡同方人工环境有限公司 | Air conditioning plant group that low energy consumption building house was used |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107226101A (en) * | 2017-05-16 | 2017-10-03 | 同济大学 | A kind of urban rail transit vehicles dedicated fresh air unit |
| CN107226101B (en) * | 2017-05-16 | 2019-04-02 | 同济大学 | A kind of urban rail transit vehicles dedicated fresh air unit |
| CN107560220A (en) * | 2017-10-19 | 2018-01-09 | 无锡同方人工环境有限公司 | Using ice protection system outside the Passive House air conditioning chamber of check valve |
| WO2020192130A1 (en) * | 2019-03-22 | 2020-10-01 | 艾默生环境优化技术(苏州)有限公司 | Environment optimization system |
| CN110715477A (en) * | 2019-11-28 | 2020-01-21 | 广东美的制冷设备有限公司 | Compressed air heat exchange system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105135531B (en) | 2017-09-12 |
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