A kind of air conditioning control method that adopts mixed water change water temperature
Technical field
The present invention relates to a kind of air conditioning control method for building, relate in particular to a kind of air conditioning control method that adopts mixed water change water temperature.
Background technology
Economic development in recent years is rapid, and medium-to-high grade apartment, each big city, office building quantity increase severely, and cause energy resource supply day to be becoming tight.Wherein air conditioning energy consumption accounts for the over half of whole building energy consumption, and air-conditioning system mainly relies on driven by power at present, thereby has caused the urban electricity supply shortage.Therefore, take all feasible schemes to reduce building energy consumption, alleviate the power tense situation, become extremely urgent major issue.Building the building of low energy consumption and using energy-conservation green air conditioner system is the most effective solution wherein.
Air-conditioning system, as a kind of energy-saving air conditioning system, can be combined with the low energy consumption green building well, and good application prospect is arranged.Radiation cooling (warming up) refers to the temperature on one or more surfaces in reduction (rising) building enclosure inner surface, form cold (heat) radiating surface, the radiant heat exchange of dependence radiating surface and human body, furniture and building enclosure remaining surface is carried out the technical method of cooling (warming up).Radiating surface can be by arranging cold (heat) pipeline in building enclosure, also can add radiant panel at ceiling or wall outer surface and realize.Due to the variation of radiating surface and building enclosure and furniture surface temperature, cause the heat convection between they and air to be strengthened, strengthen cooling (warming up) effect.
But existing air-conditioning system is generally carried out central cooling or central heating, and adopt centralized new blower fan group, this for humiture requirement situation difference in each functional area in room, and unified to carrying out cooling or heat supply in each room in building, caused the energy consumption of whole air-conditioning system still high; Secondly, the work of existing freon air-conditioning system is the size that the operating frequency by changing compressor changes refrigeration or heating capacity, and general radiation air-conditioner be by control earth source heat pump or boiler feed water the number change indoor temperature, whole control logic is comparatively simple, the concrete condition of each device in system do not taken into full account and utilized, thereby make the Energy Intensity Reduction of whole system limited.
Summary of the invention
The purpose of this invention is to provide a kind of air conditioning control method that adopts mixed water change water temperature, by to the desired humiture state of each functional area difference in building, mix the water center fixture by central controller controls and respectively the water outlet of each device is mixed to regulate and obtain needed various different temperatures in air-conditioning system, thereby realize the reduction of whole energy consumption.
In order to achieve the above object, the present invention proposes a kind of air conditioning control method that adopts mixed water change water temperature, comprising: be arranged on indoor air-conditioning system; For the earth source heat pump of hot water or cold water is provided; Be used for to the indoor new blower fan group of sending into new wind; For the mixed water center fixture that described earth source heat pump water supply is mixed with the water outlet of the water collecting and diversifying device of described radiation air-conditioner; One for controlling the central controller of described air-conditioning system, described earth source heat pump, described new blower fan group, described mixed water center fixture, comprises the steps
1) start: described central controller starts described air-conditioning system, described earth source heat pump, described new blower fan group, described mixed water center fixture according to enabled instruction;
2) target setting value: set target temperature and target humidity in room;
3) collection signal: the temperature sensor of described central controller capture setting in each room and the temperature-humidity signal of humidity sensor; Gather the temperature signal of earth source heat pump delivery port, water inlet; Gather air outlet temperature signal, the moisture signal of new blower fan group; Gather inflow temperature signal, the leaving water temperature signal of mixed water center fixture;
4) temperature is controlled: described central controller comparison room target temperature and the room temperature signal collected, and as room temperature, higher than target temperature, the flowing water Valve of controlling described mixed water center fixture increases valve opening; As room temperature, lower than target temperature, the flowing water Valve of controlling described mixed water center fixture reduces valve opening;
5) humidity is controlled: described central controller comparison room target humidity and the room moisture signal collected, and, open and be arranged on the dehumidifier in described room higher than target humidity as room humidity; Lower than target humidity, strengthen the new wind air output of new blower fan group as room humidity.
Further, described air-conditioning system comprises radiant panel.
Further, described radiant panel is capillary, ceiling or floor pipe laying.
Further, described mixed water center fixture comprises that a valve, that is arranged on water inlet is arranged on the temperature sensor of delivery port, a water pump.
Further, described temperature sensor, humidity sensor are arranged on respectively in the entry, study, toilet, bedroom, parlor in room.
Further, be provided with at least two mixed water lines in described mixed water center fixture, the water outlet that described mixed water center fixture is mixed into different temperatures according to the control instruction of central controller as required by the water outlet of each water collector of the water inlet of earth source heat pump and air-conditioning system in mixed water lines enters into each water knockout drum of air-conditioning system again.
Further, described central controller is provided with a wireless signal receiver for receiver window magnetic switch wireless signal, as central controller receives the signal that window is opened, control described dehumidifier and open dehumidifying, described earth source heat pump and described air-conditioning system are closed in control, control described new blower fan group simultaneously and strengthen air output.
In a monolithic architecture thing, in fact can divide into each functional area, take residential building as example, can divide into following functional area: the entry at the place of entering, the kitchen of cooking, dining room, parlor, bedroom, study, toilet etc., the requirement of the humiture of these functional areas is not quite similar, for example temperature, the humidity at entry place can be relatively higher, the relative low spot of the requirement of the humiture in bedroom, and the humiture in study can be relatively placed in the middle.Therefore, thereby setting humiture state in this zone for each functional area realizes the whole building Temperature and Humidity Control that become more meticulous, the humiture of abandoning in prior art not each functional area requires to be distinguished, the unified control strategy of controlling uniform requirement is the key that reduces whole building energy consumption.
Humiture due to each functional area in the present invention requires different, in the entry in room, study, toilet, bedroom, parlor, Temperature Humidity Sensor is installed respectively, and set concrete humiture requirement, then respectively indoor temperature control panel, outdoor control panel, switch panel, mixed water center fixture are carried out to centralized Control by central controller, by the centralized Control to each device in control system, realize the Temperature and Humidity Control of each functional area in room.Just because the humiture in each functional area requires different, therefore, in each room, the temperature of the water collecting and diversifying device of turnover is different, in prior art, be to the unified water inlet of water collecting and diversifying device, unified backwater, do not distinguished, and the return water temperature of the water inlet of earth source heat pump of the present invention, each functional area is different, mixed water center fixture is mixed by the water inlet by these different temperatures and backwater, the needed inflow temperature of blending constituent water collector, and then enter into air-conditioning system, thereby complete the accurate control to whole air-conditioning system.
The accompanying drawing explanation
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the present invention will become apparent and easily understand.
The air-conditioning system schematic diagram that Fig. 1 is patent of the present invention;
Fig. 2 is the system schematic that patent of the present invention is applied in three layers of villa;
Fig. 3 is the structural representation of mixed water center fixture.
The drawing reference numeral explanation:
1, central controller 2, earth source heat pump 3, new blower fan group 31, new blower fan group triple valve
32, wind-warm syndrome sensor 4, water pump 41 ,Hun Shui center triple valves 42, temperature sensor
5, water collecting and diversifying device 51, electric heating valve 6, indoor temperature control panel 7, dehumidifier
The specific embodiment
Be illustrated in figure 1 the air-conditioning system schematic diagram of patent of the present invention; A kind of air conditioning control method that adopts mixed water change water temperature, comprising: be arranged on indoor air-conditioning system; Air-conditioning system comprises radiant panel.Radiant panel can be capillary, ceiling or floor pipe laying.For the earth source heat pump 2 of hot water or cold water is provided; Be used for to the indoor new blower fan group 3 of sending into new wind; For the mixed water center fixture that earth source heat pump 2 water supply are mixed with the water outlet of the water collecting and diversifying device 5 of radiation air-conditioner, mixed water center fixture comprises that one is arranged on temperature sensor 42, one water pumps 4 that water inlet De Hunshui center triple valve 41, is arranged on delivery port; Be provided with at least one mixed water lines in mixed water center fixture, the water outlet that mixed water center fixture is mixed into different temperatures according to the control instruction of central controller 1 as required by the water outlet of each water collector of the water inlet of earth source heat pump 2 and air-conditioning system in mixed water lines enters into each water knockout drum of air-conditioning system again.Also have one for controlling the central controller 4 of air-conditioning system, earth source heat pump 2, new blower fan group 3, mixed water center fixture.The controlling organization that indoor temperature control panel 6 is central controller 4 is also executing agency, and the user sets target temperature, the target humidity of each room or each functional area by indoor temperature control panel 6.The water inlet of each water collecting and diversifying device 5 and water outlet are controlled by electric heating valve 51.The wind-warm syndrome sensor 32 that new blower fan group 3 is provided with new blower fan group triple valve 31 and is positioned at air outlet.
The method of carrying out air-conditioning control by Hun Shui center change water temperature mode comprises the steps
1) start: central controller 4 starts air-conditioning system, earth source heat pump 2, new blower fan group 3, mixed water center fixture according to enabled instruction;
2) target setting value: target temperature and the target humidity of setting each room or each functional area by indoor temperature control panel 6;
3) collection signal: the temperature sensor of central controller 4 capture settings in each room and the temperature-humidity signal of humidity sensor; Gather the temperature signal of earth source heat pump 2 delivery ports, water inlet; Gather air outlet temperature signal, the moisture signal of new blower fan group 3; Gather inflow temperature signal, the leaving water temperature signal of mixed water center fixture;
4) temperature is controlled: central controller 4 is room target temperature and the room temperature signal collected relatively, and as room temperature, higher than target temperature, the flowing water Valve of controlling mixed water center fixture increases valve opening; As room temperature, lower than target temperature, the flowing water Valve of controlling mixed water center fixture reduces valve opening;
5) humidity is controlled: central controller comparison room target humidity and the room moisture signal collected, and, open and be arranged on the dehumidifier 7 in room higher than target humidity as room humidity; Lower than target humidity, strengthen the new wind air output of new blower fan group as room humidity.
For special circumstances, for example the user violates service regeulations in summer, open the window in room, outdoor highly humid air enters indoor, central controller 4 is provided with a wireless signal receiver for receiver window magnetic switch wireless signal, and central controller 4 receives the signal that window is opened, and controls dehumidifier 7 and opens dehumidifying, earth source heat pump 2 and air-conditioning system are closed in control, control new blower fan group simultaneously and strengthen air output.
In practical operation, for temperature, control and should distinguish south and northern Different climate, distinguish the Different climate in summer and winter, control effectively.The Series Controller that central controller can adopt Siemens to provide, this controller is being realized under the prerequisite of basic controlling, can realize the control requirement of becoming privileged by the PLC programming mode.
In the present invention, be used to central controller to provide in the temperature sensor of humiture basic data in room, entry that humidity sensor is arranged on respectively room, study, toilet, bedroom, parlor, toilet, can certainly carry out other reasonable disposition according to the difference of functional area in room, for example Temperature Humidity Sensor can be installed in kitchen; And for commercial office building, may be significantly different from residential quarter for the division of functional area, can be divided into entry, Office Area, meeting space etc.Temperature Humidity Sensor in each room will constantly be fed back to central controller after basic data acquisition, central controller requires the temperature reached, the difference of humidity requirement according to these functional areas after receiving feedback signal, transmit control signal and carry out centralized Control to each control device, thereby make whole humiture require to reach predetermined value.
As Fig. 2 is the system schematic that the present invention is applied in three layers of villa; This villa shown in figure consists of three layers of grounds and basement, and distinguish each functional area, be master bedroom, secondary room, kitchen, dining room, toilet, study, family room, cloakroom and corridor, storeroom etc., the equal correspondence of each functional area is provided with water knockout drum and the water collector of air-conditioning system, and being provided with temperature sensor and humidity sensor (not shown) simultaneously, the water knockout drum of these functional areas and water collector all are connected in mixed water center fixture by pipeline.
As the structural representation of Fig. 3 for mixed water center fixture.Each water collector of air-conditioning system will catchment and be sent in mixed water center fixture, mixed water center fixture according to the instruction of central controller 4 respectively by each temperature between different catchmenting and/or the water outlet of earth source heat pump 2 mixed, the water outlet that obtains relevant temperature enters into concrete water knockout drum again and divides water.
It should be noted that; above content is in conjunction with concrete embodiment further description made for the present invention; can not assert that the specific embodiment of the present invention only limits to this; under above-mentioned guidance of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection scope of the present invention.