CN106705277B - Multi-partition variable air volume all-air conditioning system - Google Patents
Multi-partition variable air volume all-air conditioning system Download PDFInfo
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- CN106705277B CN106705277B CN201510792653.2A CN201510792653A CN106705277B CN 106705277 B CN106705277 B CN 106705277B CN 201510792653 A CN201510792653 A CN 201510792653A CN 106705277 B CN106705277 B CN 106705277B
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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
- F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
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Abstract
The invention provides a multi-partition variable air volume all-air conditioning system which mainly comprises an indoor unit and an outdoor unit, wherein the outdoor unit is connected with the indoor unit through three pipes, the indoor unit comprises a multi-partition air conditioning box, the multi-partition air conditioning box is mainly divided into a mixing section, a middle-effect filtering section, a fan section, a surface cooling section, a flow equalizing section, a humidifying heating section and an air outlet section, the mixing section is arranged at an air inlet, the mixing section is sequentially connected with the middle-effect filtering section, the fan section, the surface cooling section, the flow equalizing section, the humidifying heating section and the air outlet section, the flow equalizing section is connected with the humidifying heating section through an air volume regulating valve, and the outdoor unit comprises a compressor, a blower motor, blower blades, a heat exchanger and an all-heat exchange rotating wheel.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to a multi-partition variable air volume all-air conditioning system.
Background
An air conditioner is also called as cold air. The method is a process for regulating and controlling parameters such as temperature, humidity, cleanliness, speed and the like of ambient air in a building/structure by manual means. Generally comprises a cold source/heat source device, a cold and hot medium delivery and distribution system, a terminal device and other auxiliary devices. Mainly comprises a water pump, a fan and a pipeline system. The end device is responsible for specifically processing air by utilizing the cold and heat quantity from the transmission and distribution to ensure that the air parameters of the target environment meet the requirements.
Most of the existing air conditioners are that an outdoor machine is provided with an indoor machine, the temperature in a room is controlled simultaneously, but for large office areas and office buildings, even if the same indoor temperature is set, due to complex factors such as different orientations, room types and personnel conditions, the indoor temperature difference is large, the temperature can not be controlled in different areas, if the air conditioners are used for refrigerating and dehumidifying in plum rain seasons or transition seasons, cold wind can often feel dazzling, the cooling and heating of the air conditioners can not be controlled simultaneously, and when the existing air conditioners are used in the large office buildings and the office areas, the energy-saving effect is not obvious.
Disclosure of Invention
In order to solve the problems, the invention provides a technical scheme which has simple structure principle, high control precision and obvious energy-saving effect and can carry out different temperature and humidity control on different indoor areas according to different seasonal environments:
a multi-partition variable air volume all-air conditioning system mainly comprises an indoor unit and an outdoor unit, the multi-partition variable air volume all-air conditioning system comprises a humidity balance control method and a simultaneous cooling and heating control method, the outdoor unit is connected with the indoor unit through three pipes, the three pipes comprise air pipes, liquid pipes and high and low pressure pipes, the indoor unit comprises a multi-partition air conditioning box, the multi-partition air conditioning box is mainly divided into a mixing section, a middle-effect filtering section, a fan section, a surface cooling section, a flow equalizing section, a humidifying and heating section and an air outlet section, the mixing section is arranged at an air inlet, the mixing section is sequentially connected with the middle-effect filtering section, the fan section, the surface cooling section, the flow equalizing section, the humidifying and heating section and the air outlet section, the flow equalizing section is connected with the humidifying and heating section through an air volume adjusting valve, the surface cooling section comprises a condenser, a refrigerating and dehumidifying coil and a reheating coil, the humidifying coil comprises a heating, the compressor with the other end of condenser is connected, heat the coil and connect in parallel in refrigeration dehumidification coil both ends, reheat coil through the three-way valve connect in parallel in the compressor with on the pipeline between the condenser, through closing the three-way valve, refrigeration dehumidification coil refrigerates the dehumidification to the air, through opening the three-way valve, reheat coil heats up to air heating to this cycle control humidity and temperature's balance.
Preferably, the outdoor unit further comprises an outer shell, a blower motor, a blower blade, a heat exchanger and a total heat exchange rotating wheel, wherein the compressor is arranged at the bottom of the outer shell, the blower motor is arranged at the upper end of the outer shell, the blower blade is arranged at the top end of the outer shell, the heat exchanger adopts an oval tube heat exchanger, and an adsorbent of the total heat exchange rotating wheel adopts ion exchange resin.
Preferably, the temperature-humidity balance control method mainly comprises the following steps:
A. closing the three-way valve, enabling the high-temperature and high-pressure refrigerant discharged by the compressor to change outdoor gas into condensed liquid through the condenser, and releasing heat to the refrigeration and dehumidification coil pipe;
B. the refrigeration and dehumidification coil refrigerates and dehumidifies the hot air and returns the air to the compressor;
C. opening the three-way valve, and then discharging the refrigerating air from the compressor to heat through the reheating coil;
D. the heated air is condensed by the condenser again to release heat;
E. and continuously circulating to achieve temperature and humidity balance.
Preferably, the simultaneous cooling and heating control method mainly comprises the following steps:
a. the high-temperature and high-pressure refrigerant discharged by the compressor changes outdoor gas into condensed liquid through the condenser;
b. heat is respectively released to the refrigerating and dehumidifying coil and the heating coil;
c. the refrigerating and dehumidifying coil is used for refrigerating and dehumidifying the hot air, and the heating coil keeps the temperature of the hot air;
d. the air released by the refrigeration and dehumidification coil and the heating coil enters the compressor again;
e. the compressor discharges the refrigerating air to enter the condenser, and the air is circulated continuously to achieve the purpose of controlling the temperature and the humidity at the same time.
The invention has the beneficial effects that:
(1) the invention has simple structure principle and high control precision, and can independently control different indoor areas by arranging the refrigerating and dehumidifying coil, the recoiling coil and the heating coil in different indoor areas, thereby achieving the aim of multi-area control and saving a large amount of electric energy.
(2) The invention can control the indoor temperature and the indoor temperature simultaneously when the refrigeration and dehumidification are carried out in the plum rain season or the transition season.
(3) The outdoor unit and the indoor unit of the invention adopt a three-pipe connection mode to form two loops, and can realize dual control of indoor temperature and humidity.
Description of the drawings:
FIG. 1 is a view showing a structure of a multi-partition air conditioner case according to the present invention connected to an outdoor unit;
FIG. 2 is a schematic diagram of the temperature-humidity balance control of the present invention;
fig. 3 is a schematic diagram of the simultaneous cooling and heating control according to the present invention.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the multi-partition variable air volume all-air conditioning system mainly comprises an indoor unit and an outdoor unit 1, wherein the outdoor unit 1 is connected with the indoor unit through three pipes 2, the three pipes comprise an air pipe, a liquid pipe and a high-low pressure pipe, the outdoor unit and the indoor unit are connected in a three-pipe connection mode to form two loops, and double control of indoor temperature and humidity can be realized. The size of the indoor unit: the length is 1330mm, and the height is 2204mm, thick 215mm, and indoor set adopts horizontal and vertical two kinds, the indoor set includes many subregion air conditioning case 3, many subregion air conditioning case 3 mainly divide into mixing section 4, well effect filter segment 5, fan section 6, table cold section 7, flow equalizing section 8, humidification heating section 9 and air-out section 10, mixing section 4 is established in the air inlet department, mixing section 4 connects gradually well effect filter segment 5, fan section 6 table cold section 7 flow equalizing section 8 humidification heating section 9 and air-out section 10, flow equalizing section 8 passes through air regulation valve 11 and connects humidification heating section 9, table cold section 7 includes condenser 12, refrigeration dehumidification coil 13, reheat coil 14, humidification heating section 9 includes heating coil 15.
In this embodiment, the outdoor unit 1 includes an outer casing 16, a compressor 17, a blower motor 18, blower blades 19, a heat exchanger 20, and a total heat exchange wheel 21, wherein the compressor 17 is disposed at the bottom of the outer casing 16, the blower motor 18 is disposed at the upper end of the outer casing 16, the blower blades 19 are disposed at the top end of the outer casing 16, the heat exchanger 20 employs an elliptical tube heat exchanger, the heat exchange by the elliptical tube heat exchanger is extremely sufficient, no turbulence is generated at the rear part, an adsorbent of the total heat exchange wheel 21 employs ion exchange resin, and preferentially adsorbs water molecules by using the power of ions, so that no strong odor is generated during rainy season, etc., and the indoor air quality is improved by antibacterial and antifungal effects; the compressor adopts the low temperature to spout the enthalpy technique and combines the frequency conversion technique, and the enhanced vapor injection is mutually supported with the increase in rotational speed, can reach high low temperature heating effect, and the enhanced vapor injection technique can replace auxiliary electric heating, can save a large amount of electric energy.
As shown in fig. 2, in this embodiment, the condenser 12 includes an inlet and an outlet, the inlet of the condenser 12 is connected to outdoor air, the outlet is sequentially connected to the inlet of the refrigeration and dehumidification coil 13 and the inlet of the compressor 17, the outlet of the compressor 17 is connected to the inlet of the reheating coil 14 through the three-way valve 22, the outlet of the reheating coil 14 and the outlet of the compressor 17 are simultaneously connected to the condenser 12, so as to implement temperature and humidity balance control, and the temperature and humidity balance control method mainly includes the following steps:
A. the three-way valve 22 is closed, the high-temperature and high-pressure refrigerant discharged by the compressor 17 changes outdoor gas into condensed liquid through the condenser 12, and heat is released to the refrigeration and dehumidification coil 13;
B. the cooling and dehumidifying coil 13 cools and dehumidifies the hot air before returning to the compressor 17;
C. the three-way valve 22 is opened, and the compressor 17 discharges the refrigeration air to be heated through the reheating coil 14;
D. the heated air is condensed again by the condenser 12 to release heat;
E. and continuously circulating to achieve temperature and humidity balance.
As shown in fig. 3, in this embodiment, an inlet of the condenser 12 is connected to outdoor air, an outlet of the condenser 12 is connected to the refrigeration and dehumidification coil 13 and the heating coil 15, an outlet of the refrigeration and dehumidification coil 13 and an outlet of the heating coil 15 are connected to an inlet of the compressor 17, an outlet of the compressor 17 is connected to the condenser 12, so that cooling and heating control can be simultaneously implemented in a plum rain season, and the cooling and heating control method mainly includes the following steps:
a. the high-temperature and high-pressure refrigerant discharged from the compressor 17 changes the outdoor gas into condensed liquid through the condenser 12;
b. heat is respectively released to the refrigerating and dehumidifying coil 13 and the heating coil 15;
c. the refrigerating and dehumidifying coil 13 refrigerates and dehumidifies the hot air, and the heating coil 15 keeps the temperature of the hot air;
d. the air released by the cooling and dehumidifying coil 13 and the heating coil 15 enters the compressor 17 again;
e. the compressor 17 discharges the cooling air to the condenser 12, and the cooling air are circulated continuously to achieve the purpose of controlling the temperature and the temperature simultaneously.
The outdoor machine of the invention adopts frequency conversion control, the output of the outdoor machine can be automatically adjusted according to the size of the indoor load, and the energy consumption ratio is quite high at partial load, while the traditional large-scale water chilling unit can only adjust the energy through limited unloading, especially the running energy consumption at low load is relatively large, compared with the traditional water chilling unit, the invention can save energy by 40-50%, the temperature precision of the indoor machine can be controlled in the extremely precise temperature range of plus or minus 0.5 ℃, and the indoor control precision of the heat-transferring water chilling unit is poor and can only be controlled in the temperature range of plus or minus 2-4 ℃; in addition, the invention has no anti-freezing operation problem when being used in winter, and the traditional water system central air conditioner has the advantage that the water pump must operate for 24 hours in winter, otherwise, the water pipe or equipment can be frozen to damage, and a large amount of energy is wasted.
The indoor temperature control system is simple in structural principle and high in control precision, the refrigerating and dehumidifying coil pipe, the recoiling pipe and the heating coil pipe are arranged in different indoor areas, so that the different indoor areas can be independently controlled, the aim of multi-area control is fulfilled, a large amount of electric energy is saved, and the indoor temperature control system can be used for simultaneously controlling the indoor temperature during refrigerating and dehumidifying in plum rain season or transition season.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (4)
1. The utility model provides a total air conditioning system of many subregion variable air volume, mainly includes indoor set and off-premises station, its characterized in that: the multi-partition variable air volume all-air conditioning system comprises a humidity balance control method and a simultaneous cooling and heating control method, the outdoor unit is connected with the indoor unit through three pipes, the three pipes comprise an air pipe, a liquid pipe and a high-low pressure pipe, the indoor unit comprises a multi-partition air conditioning box, the multi-partition air conditioning box is mainly divided into a mixing section, an intermediate-efficiency filtering section, a fan section, a surface cooling section, a flow equalizing section, a humidifying and heating section and an air outlet section, the mixing section is arranged at an air inlet, the mixing section is sequentially connected with the intermediate-efficiency filtering section, the fan section, the surface cooling section, the flow equalizing section, the humidifying and heating section and the air outlet section, the flow equalizing section is connected with the humidifying and heating section through an air volume adjusting valve, the surface cooling section comprises a condenser, a refrigerating and dehumidifying coil and a reheating coil, the humidifying and heating section comprises a heating coil, and, the one end of condenser in proper order with refrigeration dehumidification coil pipe and compressor are connected, the compressor with the other end of condenser is connected, heat the coil pipe connect in parallel in refrigeration dehumidification coil pipe both ends, reheat coil pipe through the three-way valve connect in parallel in the compressor with on the pipeline between the condenser, through closing the three-way valve, refrigeration dehumidification coil pipe refrigerates the dehumidification to the air, through opening the three-way valve, reheat coil pipe heats up to the air heating to the balance of this cycle control humidity and temperature.
2. The multi-partition variable air volume all-air conditioning system according to claim 1, characterized in that: the outdoor unit further comprises a shell body, a blower motor, a blower blade, a heat exchanger and a total heat exchange rotating wheel, wherein the compressor is arranged at the bottom of the shell body, the blower motor is arranged at the upper end of the shell body, the blower blade is arranged at the top end of the shell body, the heat exchanger adopts an elliptical tube heat exchanger, and an adsorbent of the total heat exchange rotating wheel adopts ion exchange resin.
3. The multi-partition variable air volume all-air conditioning system according to claim 1, characterized in that: the wet balance control method mainly comprises the following steps:
A. closing the three-way valve, enabling the high-temperature and high-pressure refrigerant discharged by the compressor to change outdoor gas into condensed liquid through the condenser, and releasing heat to the refrigeration and dehumidification coil pipe;
B. the refrigeration and dehumidification coil refrigerates and dehumidifies the hot air and returns the air to the compressor;
C. opening the three-way valve, and then discharging the refrigerating air from the compressor to heat through the reheating coil;
D. the heated air is condensed by the condenser again to release heat;
E. and continuously circulating to achieve temperature and humidity balance.
4. The multi-partition variable air volume all-air conditioning system according to claim 1, characterized in that: meanwhile, the cooling and heating control method mainly comprises the following steps:
a. the high-temperature and high-pressure refrigerant discharged by the compressor changes outdoor gas into condensed liquid through the condenser;
b. heat is respectively released to the refrigerating and dehumidifying coil and the heating coil;
c. the refrigerating and dehumidifying coil is used for refrigerating and dehumidifying the hot air, and the heating coil keeps the temperature of the hot air;
d. the air released by the refrigeration and dehumidification coil and the heating coil enters the compressor again;
e. the compressor discharges the refrigerating air to enter the condenser, and the air is circulated continuously to achieve the purpose of controlling the temperature and the humidity at the same time.
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| CN201510792653.2A CN106705277B (en) | 2015-11-18 | 2015-11-18 | Multi-partition variable air volume all-air conditioning system |
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| CN201510792653.2A CN106705277B (en) | 2015-11-18 | 2015-11-18 | Multi-partition variable air volume all-air conditioning system |
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| CN106705277A CN106705277A (en) | 2017-05-24 |
| CN106705277B true CN106705277B (en) | 2020-01-21 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993022602A1 (en) * | 1992-04-30 | 1993-11-11 | Kabushiki Kaisha Komatsu Seisakusho | Temperature and humidity control system and control method therefor |
| CN2291607Y (en) * | 1997-05-22 | 1998-09-16 | 杨伟成 | Zoning air conditioner |
| CN201652636U (en) * | 2010-04-29 | 2010-11-24 | 茂名学院 | Double-cold-source heat recovery constant temperature and humidity air conditioning unit |
| CN201652632U (en) * | 2010-03-26 | 2010-11-24 | 杭州源牌环境科技有限公司 | Fresh air processor with separate double-stage surface cooler |
| CN202083052U (en) * | 2011-05-20 | 2011-12-21 | 中国石油化工集团公司 | Cooling dehumidifying type air handling unit |
| JP2015108492A (en) * | 2013-12-06 | 2015-06-11 | 清水建設株式会社 | Air conditioning system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2713350Y (en) * | 2004-02-04 | 2005-07-27 | 雅士空调(广州)有限公司 | Constant-temperature constant-moisture air processing machine set |
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2015
- 2015-11-18 CN CN201510792653.2A patent/CN106705277B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993022602A1 (en) * | 1992-04-30 | 1993-11-11 | Kabushiki Kaisha Komatsu Seisakusho | Temperature and humidity control system and control method therefor |
| CN2291607Y (en) * | 1997-05-22 | 1998-09-16 | 杨伟成 | Zoning air conditioner |
| CN201652632U (en) * | 2010-03-26 | 2010-11-24 | 杭州源牌环境科技有限公司 | Fresh air processor with separate double-stage surface cooler |
| CN201652636U (en) * | 2010-04-29 | 2010-11-24 | 茂名学院 | Double-cold-source heat recovery constant temperature and humidity air conditioning unit |
| CN202083052U (en) * | 2011-05-20 | 2011-12-21 | 中国石油化工集团公司 | Cooling dehumidifying type air handling unit |
| JP2015108492A (en) * | 2013-12-06 | 2015-06-11 | 清水建設株式会社 | Air conditioning system |
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