CN101832604B - Central air conditioning device and running control method thereof - Google Patents
Central air conditioning device and running control method thereof Download PDFInfo
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- CN101832604B CN101832604B CN2010101731307A CN201010173130A CN101832604B CN 101832604 B CN101832604 B CN 101832604B CN 2010101731307 A CN2010101731307 A CN 2010101731307A CN 201010173130 A CN201010173130 A CN 201010173130A CN 101832604 B CN101832604 B CN 101832604B
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Abstract
The invention relates to a central air conditioning device and a running control method thereof. The central air conditioning device is characterized by comprising a main controller for controlling the opening or the closure of a main machine of an air source heat pump, a water outlet of a main machine of an air source heat pump is connected with the fixed end of a three-way electromagnetic valve, the normally opening end of the three-way electromagnetic valve is connected with a heat and cold-supply return water separator, and a heat and cold-supply outlet water separator is connected with a water pump and then is connected with a water return port of the main machine of the air source heat pump; the normally closed end of the three-way electromagnetic valve is connected with a water inlet of a fan coil, a water outlet of the fan coil is also connected with the water pump and then is connected with the water return port of the main machine of the air source heat pump, the control end of the three-way electromagnetic valve is connected with a humidity controller, and the opening of the normally closed end and the closure of the normally opening end of the three-way electromagnetic valve are controlled by the humidity controller. Compared with the prior art, the central air conditioning device can effectively solve the problem of moisture condensation on the refrigeration ground of heat-supply pipes in summer.
Description
Technical field
The present invention relates to a kind of central air conditioning plant and progress control method thereof.
Background technology
At present, known central air-conditioning has two kinds, and a kind of is to adopt fan coil to freeze and heat as single terminal the realization; A kind of in addition is that the single terminal realization of employing floor heating pipe heats, refrigerating function.
When adopting fan coil to heat, cause room air dry easily, it is uncomfortable that the people contacts hot blast; Very easily cause breathing problem; And at northern extremely frigid zones, especially all below subzero 10 degree, evaporimeter frosting is serious for environment temperature; Can't heat exchange. when adopting the fan coil refrigeration, the energy consume significant.
When adopting floor heating pipe list refrigeration summer, the ground dewfall is very serious.
Summary of the invention
First technical problem to be solved by this invention to above-mentioned prior art provide a kind of energy-conservation, can effectively solve the central air conditioning plant that fan coil heats uncomfortable, cooling power consume significant and can solve floor heating pipe refrigeration ground condensation trouble in summer.
Second technical problem to be solved by this invention provides a kind of progress control method of central air conditioning plant.
The present invention solves first kind of optional technical scheme that above-mentioned first technical problem adopts: this central air conditioning plant; It is characterized in that: comprise the master controller that control air source heat pump main frame opens or cuts out; The delivery port of air source heat pump main frame links to each other with the stiff end of a three-way magnetic valve; The Chang Kaiduan of three-way magnetic valve links to each other with the cold backwater water knockout drum in floor heating ground, is connected with the water return outlet of air source heat pump main frame after the cold water outlet water knockout drum in floor heating ground connects a water pump; The normal-closed end of said three-way magnetic valve links to each other with the water inlet of fan coil; The delivery port of fan coil is connected with the water return outlet of air source heat pump main frame after also connecting said water pump; The control end of said three-way magnetic valve links to each other with a humidity controller, and closing of band edge often opened in the unlatching and said that this three-way magnetic valve is controlled said normal-closed end by said humidity controller.
Preferably, said central air conditioning plant also comprises a PTC semiconductor heat booster, and this PTC semiconductor heat booster links to each other with water-side heat in the air source heat pump main frame, the unlatching of said PTC semiconductor heat booster or close also by said main controller controls.
The present invention solves second kind of optional technical scheme that above-mentioned first technical problem adopts: this central air conditioning plant; It is characterized in that: comprise the master controller that control air source heat pump main frame opens or cuts out; The delivery port of air source heat pump main frame links to each other with the stiff end of a three-way magnetic valve; The Chang Kaiduan of three-way magnetic valve links to each other with the cold backwater water knockout drum in floor heating ground, is connected with the water return outlet of air source heat pump main frame after the cold water outlet water knockout drum in floor heating ground connects a water pump; The normal-closed end of said three-way magnetic valve links to each other with the water inlet of fan coil; The delivery port of fan coil is connected with the water return outlet of air source heat pump main frame after also connecting said water pump; The control end of said three-way magnetic valve links to each other with a humidity controller; This humidity controller links to each other with said master controller; The control end of said three-way magnetic valve also links to each other with said master controller, and closing of band edge often opened in the unlatching and said that said three-way magnetic valve is controlled said normal-closed end jointly by said humidity controller and said master controller.
Same, said central air conditioning plant also can comprise a PTC semiconductor heat booster, and this PTC semiconductor heat booster links to each other with water-side heat in the air source heat pump main frame, the unlatching of said PTC semiconductor heat booster or close also by said main controller controls.
The present invention solves above-mentioned technological second technical scheme that problem adopted:
When said central air conditioning plant adopts first kind of optional technical scheme; Its progress control method be in said master controller, preserve first design temperature in advance, low second design temperature than first design temperature; In said humidity controller, preserve in advance and set relative humidity; When envionmental humidity when setting relative humidity; Said humidity controller open said three-way magnetic valve Chang Kaiduan, close normal-closed end, when envionmental humidity when setting relative humidity, said humidity controller open said three-way magnetic valve normal-closed end, close Chang Kaiduan;
When needs heat; When environment temperature during more than or equal to first design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature more than or equal to second design temperature during less than first design temperature; Said master controller is opened said air source heat pump main frame and said PTC semiconductor heat booster simultaneously; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature during less than second design temperature; Said master controller cuts out said air source heat pump main frame, opens said PTC semiconductor heat booster; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit;
When needs freeze; When envionmental humidity when setting relative humidity; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circularly cooling loop; When envionmental humidity when setting relative humidity; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment; The normal-closed end of three-way magnetic valve is connected, and air source heat pump main frame water goes out, fan coil and air source heat pump main frame backwater form the circularly cooling loop.
Said first design temperature is that a numerical value in 4～7 degrees centigrade is good, and said second design temperature is that a numerical value in subzero 4 degrees centigrade to subzero 6 degrees centigrade is good, and said setting relative humidity is that a numerical value in 35%～45% is good.
When said central air conditioning plant adopts second kind of optional technical scheme; Its progress control method be in said master controller, preserve first design temperature in advance, than first design temperature low second design temperature, than first design temperature high the 3rd design temperature; In said humidity controller, preserve in advance and set relative humidity; When envionmental humidity smaller or equal to setting relative humidity; And environment temperature is during smaller or equal to the 3rd design temperature; Said humidity controller and said master controller output control signal open said three-way magnetic valve Chang Kaiduan, close normal-closed end, when envionmental humidity when setting relative humidity and environment temperature greater than the 3rd design temperature, said humidity controller and said master controller output control signal open said three-way magnetic valve normal-closed end, close Chang Kaiduan;
When needs heat; When environment temperature during more than or equal to first design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature more than or equal to second design temperature during less than first design temperature; Said master controller is opened said air source heat pump main frame and said PTC semiconductor heat booster simultaneously; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature during less than second design temperature; Said master controller cuts out said air source heat pump main frame, opens said PTC semiconductor heat booster; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit;
When needs freeze; When envionmental humidity when setting relative humidity and environment temperature smaller or equal to the 3rd design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circularly cooling loop; When envionmental humidity when setting relative humidity and environment temperature greater than the 3rd design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment; The normal-closed end of three-way magnetic valve is connected, and air source heat pump main frame water goes out, fan coil and air source heat pump main frame backwater form the circularly cooling loop.
Equally; Said first design temperature is that a numerical value in 4～7 degrees centigrade is good; Said second design temperature is that a numerical value in subzero 4 degrees centigrade to subzero 6 degrees centigrade is good; Said the 3rd design temperature is that a numerical value in 18～22 degrees centigrade is good, and said setting relative humidity is that a numerical value in 35%～45% is good.
Compared with prior art, the invention has the advantages that:
1, two cooling and warming terminals is set; When freezing summer, the humidity controller of setting of the present invention can according to the setting relative humidity of preserving in advance terrestrial surface radiation refrigeration or fan coil refrigeration be provided, when envionmental humidity when setting relative humidity; Freeze by terrestrial surface radiation; When envionmental humidity when setting relative humidity, by the fan coil separate refrigeration, thereby avoided terrestrial surface radiation refrigeration condensation trouble in summer.
2, directly utilize winter the underfloor heat exchanger tube of plant to heat, evenly heat or the cooling floor, water moves water as medium under low-temperature condition, the flames of anger, and safe in utilization, the life-span is long.Especially the present invention can be according to the operation of the automatic control air of environment temperature source heat pump main frame and PTC semiconductor heat booster, has guaranteed the normal operation of the energy-conservation and ultra-low temperature surroundings of the colleges and universities of heating; The PTC semiconductor heat booster of wherein setting up can change according to water temperature and regulate power and surface temperature automatically, and is safe and efficient energy-conservation, and particularly northern ultralow temperature area (below subzero 10 degree), this device still can normally move;
3, it is low, safe and reliable that central air conditioning plant provided by the invention has comfort and health health care, energy-efficient, Heat stability is good, operating cost, the advantage that service life is long.
Description of drawings
Fig. 1 is the structural representation of the central air conditioning plant of the embodiment of the invention one.
Fig. 2 is the structural representation of the central air conditioning plant of the embodiment of the invention two.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one:
See also shown in Figure 1; This central air conditioning plant comprises air source heat pump main frame 1, PTC semiconductor heat booster 2, control air source heat pump main frame 1 and the unlatching of PTC semiconductor heat booster 2 or the master controller 3 of closing, three-way magnetic valve 4; Humidity controller 5; Fan coil 6, the cold backwater water knockout drum 7 in floor heating ground, is embedded in underfloor floor heating pipe 9 at the cold water outlet water knockout drum in floor heating ground 8; Wherein PTC semiconductor heat booster 2 is arranged in the air source heat pump main frame 1, and 1 water-side heat 10 links to each other in this PTC semiconductor heat booster 2 and the air source heat pump main frame; The delivery port of air source heat pump main frame 1 links to each other with the stiff end of three-way magnetic valve 4; The Chang Kaiduan of three-way magnetic valve 4 links to each other with the cold backwater water knockout drum 7 in floor heating ground; The cold water outlet water knockout drum 8 in floor heating ground connects a water pump 11 backs and is connected with the water return outlet of air source heat pump main frame 1, floor heating cold backwater water knockout drum 7 and floor heating be connected floor heating pipe 9 between the cold water outlet water knockout drum 8; The normal-closed end of said three-way magnetic valve 4 links to each other with the water inlet of fan coil 6; The delivery port of fan coil also connects said water pump 11 backs and is connected with the water return outlet of air source heat pump main frame 1; Said humidity controller 5 links to each other with the control end of said three-way magnetic valve 4, and closing of band edge often opened in the unlatching and said that this three-way magnetic valve 4 is controlled said normal-closed end by said humidity controller 5.
The progress control method of above-mentioned central air conditioning plant is: in said master controller, preserve first design temperature in advance, low second design temperature than first design temperature; In said humidity controller, preserve in advance and set relative humidity; When envionmental humidity when setting relative humidity; Said humidity controller open said three-way magnetic valve Chang Kaiduan, close normal-closed end; When envionmental humidity when setting relative humidity, said humidity controller open said three-way magnetic valve normal-closed end, close Chang Kaiduan;
When needs heat; When environment temperature during more than or equal to first design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature more than or equal to second design temperature during less than first design temperature; Said master controller is opened said air source heat pump main frame and said PTC semiconductor heat booster simultaneously; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature during less than second design temperature; Said master controller cuts out said air source heat pump main frame, opens said PTC semiconductor heat booster; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit;
When needs freeze; When envionmental humidity when setting relative humidity; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circularly cooling loop; When envionmental humidity when setting relative humidity; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment; The normal-closed end of three-way magnetic valve is connected, and air source heat pump main frame water goes out, fan coil and air source heat pump main frame backwater form the circularly cooling loop.
Said first design temperature is a numerical value in 4～7 degrees centigrade; Said second design temperature is a numerical value in subzero 4 degrees centigrade to subzero 6 degrees centigrade; Said setting relative humidity is a numerical value in 35%～45%, and in the present embodiment, said first design temperature is 5 degrees centigrade; Said second design temperature is subzero 5 degrees centigrade, and said setting relative humidity is 40%.
Embodiment two:
Different with embodiment one is; Said humidity controller 5 links to each other with said master controller 3; The control end of said three-way magnetic valve 4 also links to each other with said master controller 3; Closing of band edge often opened in the unlatching and said that said three-way magnetic valve 4 is controlled said normal-closed end jointly by said humidity controller 5 and said master controller 3, sees also shown in Figure 2.
The progress control method of the central air conditioning plant in the present embodiment is: in said master controller, preserve first design temperature in advance equally, than first design temperature low second design temperature, than first design temperature high the 3rd design temperature, in said humidity controller, preserve in advance and set relative humidity; The normal-closed end of said three-way magnetic valve only just can be opened greater than setting under relative humidity and the environment temperature situation satisfied simultaneously greater than these two conditions of the 3rd design temperature at envionmental humidity; Promptly work as envionmental humidity smaller or equal to setting relative humidity; And environment temperature is during smaller or equal to the 3rd design temperature; Said humidity controller and said master controller are exported control signal and are opened the Chang Kaiduan of said three-way magnetic valve, close normal-closed end; When envionmental humidity when setting relative humidity and environment temperature greater than the 3rd design temperature, said humidity controller and said master controller are exported control signal simultaneously and are opened the normal-closed end of said three-way magnetic valve, close Chang Kaiduan;
When needs heat; When environment temperature during more than or equal to first design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature more than or equal to second design temperature during less than first design temperature; Said master controller is opened said air source heat pump main frame and said PTC semiconductor heat booster simultaneously; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature during less than second design temperature; Said master controller cuts out said air source heat pump main frame, opens said PTC semiconductor heat booster; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit;
When needs freeze; When envionmental humidity when setting relative humidity and environment temperature smaller or equal to the 3rd design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circularly cooling loop; When envionmental humidity when setting relative humidity and environment temperature greater than the 3rd design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment; The normal-closed end of three-way magnetic valve is connected, and air source heat pump main frame water goes out, fan coil and air source heat pump main frame backwater form the circularly cooling loop.
Said first design temperature is a numerical value in 4～7 degrees centigrade; Said second design temperature is a numerical value in subzero 4 degrees centigrade to subzero 6 degrees centigrade; Said the 3rd design temperature is a numerical value in 18～22 degrees centigrade, and said setting relative humidity is a numerical value in 35%～45%.In the present embodiment, said first design temperature is 5 degrees centigrade, and said second design temperature is subzero 5 degrees centigrade, and said the 3rd design temperature is 20 degrees centigrade, and said setting relative humidity is 40%.
Claims (6)
1. central air conditioning plant; It is characterized in that: comprise the master controller that control air source heat pump main frame opens or cuts out; The delivery port of air source heat pump main frame links to each other with the stiff end of a three-way magnetic valve; The cold backwater water knockout drum in the Chang Kaiduan of three-way magnetic valve and floor heating ground links to each other, is connected with the water return outlet of air source heat pump main frame after the cold water outlet water knockout drum in floor heating ground connects a water pump, floor heating cold backwater water knockout drum and floor heating be connected floor heating pipe between the cold water outlet water knockout drum; The normal-closed end of said three-way magnetic valve links to each other with the water inlet of fan coil; The delivery port of fan coil is connected with the water return outlet of air source heat pump main frame after also connecting said water pump; The control end of said three-way magnetic valve links to each other with a humidity controller, and closing of band edge often opened in the unlatching and said that this three-way magnetic valve is controlled said normal-closed end by said humidity controller; Said central air conditioning plant also comprises a PTC semiconductor heat booster, and this PTC semiconductor heat booster links to each other with water-side heat in the air source heat pump main frame, the unlatching of said PTC semiconductor heat booster or close also by said main controller controls;
The progress control method of said central air conditioning plant is: in said master controller, preserve first design temperature in advance, low second design temperature than first design temperature; In said humidity controller, preserve in advance and set relative humidity; When envionmental humidity when setting relative humidity; Said humidity controller open said three-way magnetic valve Chang Kaiduan, close normal-closed end; When envionmental humidity when setting relative humidity, said humidity controller open said three-way magnetic valve normal-closed end, close Chang Kaiduan;
When needs heat; When environment temperature during more than or equal to first design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature more than or equal to second design temperature during less than first design temperature; Said master controller is opened said air source heat pump main frame and said PTC semiconductor heat booster simultaneously; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature during less than second design temperature; Said master controller cuts out said air source heat pump main frame, opens said PTC semiconductor heat booster; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit;
When needs freeze; When envionmental humidity when setting relative humidity; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circularly cooling loop; When envionmental humidity when setting relative humidity; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment; The normal-closed end of three-way magnetic valve is connected, and air source heat pump main frame water goes out, fan coil and air source heat pump main frame backwater form the circularly cooling loop.
2. central air conditioning plant; It is characterized in that: comprise the master controller that control air source heat pump main frame opens or cuts out; The delivery port of air source heat pump main frame links to each other with the stiff end of a three-way magnetic valve; The Chang Kaiduan of three-way magnetic valve links to each other with the cold backwater water knockout drum in floor heating ground, is connected with the water return outlet of air source heat pump main frame after the cold water outlet water knockout drum in floor heating ground connects a water pump; The normal-closed end of said three-way magnetic valve links to each other with the water inlet of fan coil; The delivery port of fan coil is connected with the water return outlet of air source heat pump main frame after also connecting said water pump; The control end of said three-way magnetic valve links to each other with a humidity controller; This humidity controller links to each other with said master controller; The control end of said three-way magnetic valve also links to each other with said master controller, and closing of band edge often opened in the unlatching and said that said three-way magnetic valve is controlled said normal-closed end jointly by said humidity controller and said master controller; Said central air conditioning plant also comprises a PTC semiconductor heat booster, and this PTC semiconductor heat booster links to each other with water-side heat in the air source heat pump main frame, the unlatching of said PTC semiconductor heat booster or close also by said main controller controls;
The progress control method of said central air conditioning plant is: in said master controller, preserve first design temperature in advance, than first design temperature low second design temperature, than first design temperature high the 3rd design temperature; In said humidity controller, preserve in advance and set relative humidity; When envionmental humidity smaller or equal to setting relative humidity; And environment temperature is during smaller or equal to the 3rd design temperature; Said humidity controller and said master controller are exported control signal and are opened the Chang Kaiduan of said three-way magnetic valve, close normal-closed end; When envionmental humidity when setting relative humidity and environment temperature greater than the 3rd design temperature, said humidity controller and said master controller output control signal open said three-way magnetic valve normal-closed end, close Chang Kaiduan;
When needs heat; When environment temperature during more than or equal to first design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature more than or equal to second design temperature during less than first design temperature; Said master controller is opened said air source heat pump main frame and said PTC semiconductor heat booster simultaneously; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature during less than second design temperature; Said master controller cuts out said air source heat pump main frame, opens said PTC semiconductor heat booster; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit;
When needs freeze; When envionmental humidity when setting relative humidity and environment temperature smaller or equal to the 3rd design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circularly cooling loop; When envionmental humidity when setting relative humidity and environment temperature greater than the 3rd design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment; The normal-closed end of three-way magnetic valve is connected, and air source heat pump main frame water goes out, fan coil and air source heat pump main frame backwater form the circularly cooling loop.
3. the progress control method of a central air conditioning plant; It is characterized in that: said central air conditioning plant comprises the master controller that control air source heat pump main frame opens or cuts out; The delivery port of air source heat pump main frame links to each other with the stiff end of a three-way magnetic valve; The Chang Kaiduan of three-way magnetic valve links to each other with the cold backwater water knockout drum in floor heating ground; Is connected with the water return outlet of air source heat pump main frame after the cold water outlet water knockout drum in floor heating ground connects a water pump, is connected floor heating pipe between the cold water outlet water knockout drum to the cold backwater water knockout drum in floor heating ground and floor heating; The normal-closed end of said three-way magnetic valve links to each other with the water inlet of fan coil; The delivery port of fan coil is connected with the water return outlet of air source heat pump main frame after also connecting said water pump; The control end of said three-way magnetic valve links to each other with a humidity controller, and closing of band edge often opened in the unlatching and said that this three-way magnetic valve is controlled said normal-closed end by said humidity controller; Said central air conditioning plant also comprises a PTC semiconductor heat booster, and this PTC semiconductor heat booster links to each other with water-side heat in the air source heat pump main frame, the unlatching of said PTC semiconductor heat booster or close also by said main controller controls;
In said master controller, preserve first design temperature in advance, low second design temperature than first design temperature; In said humidity controller, preserve in advance and set relative humidity; When envionmental humidity when setting relative humidity; Said humidity controller open said three-way magnetic valve Chang Kaiduan, close normal-closed end, when envionmental humidity when setting relative humidity, said humidity controller open said three-way magnetic valve normal-closed end, close Chang Kaiduan;
When needs heat; When environment temperature during more than or equal to first design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature more than or equal to second design temperature during less than first design temperature; Said master controller is opened said air source heat pump main frame and said PTC semiconductor heat booster simultaneously; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature during less than second design temperature; Said master controller cuts out said air source heat pump main frame, opens said PTC semiconductor heat booster; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit;
When needs freeze; When envionmental humidity when setting relative humidity; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circularly cooling loop; When envionmental humidity when setting relative humidity; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment; The normal-closed end of three-way magnetic valve is connected, and air source heat pump main frame water goes out, fan coil and air source heat pump main frame backwater form the circularly cooling loop.
4. progress control method according to claim 3; It is characterized in that: said first design temperature is a numerical value in 4～7 degrees centigrade; Said second design temperature is a numerical value in subzero 4 degrees centigrade to subzero 6 degrees centigrade, and said setting relative humidity is a numerical value in 35%～45%.
5. the progress control method of a central air conditioning plant; It is characterized in that: said central air conditioning plant comprises the master controller that control air source heat pump main frame opens or cuts out; The delivery port of air source heat pump main frame links to each other with the stiff end of a three-way magnetic valve; The Chang Kaiduan of three-way magnetic valve links to each other with the cold backwater water knockout drum in floor heating ground, is connected with the water return outlet of air source heat pump main frame after the cold water outlet water knockout drum in floor heating ground connects a water pump; The normal-closed end of said three-way magnetic valve links to each other with the water inlet of fan coil; The delivery port of fan coil is connected with the water return outlet of air source heat pump main frame after also connecting said water pump; The control end of said three-way magnetic valve links to each other with a humidity controller; This humidity controller links to each other with said master controller; The control end of said three-way magnetic valve also links to each other with said master controller, and closing of band edge often opened in the unlatching and said that said three-way magnetic valve is controlled said normal-closed end jointly by said humidity controller and said master controller; Said central air conditioning plant also comprises a PTC semiconductor heat booster, and this PTC semiconductor heat booster links to each other with water-side heat in the air source heat pump main frame, the unlatching of said PTC semiconductor heat booster or close also by said main controller controls;
In said master controller, preserve first design temperature in advance, than first design temperature low second design temperature, than first design temperature high the 3rd design temperature; In said humidity controller, preserve in advance and set relative humidity; When envionmental humidity smaller or equal to setting relative humidity; And environment temperature is during smaller or equal to the 3rd design temperature; Said humidity controller and said master controller are exported control signal and are opened the Chang Kaiduan of said three-way magnetic valve, close normal-closed end; When envionmental humidity when setting relative humidity and environment temperature greater than the 3rd design temperature, said humidity controller and said master controller output control signal open said three-way magnetic valve normal-closed end, close Chang Kaiduan;
When needs heat; When environment temperature during more than or equal to first design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature more than or equal to second design temperature during less than first design temperature; Said master controller is opened said air source heat pump main frame and said PTC semiconductor heat booster simultaneously; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit; When environment temperature during less than second design temperature; Said master controller cuts out said air source heat pump main frame, opens said PTC semiconductor heat booster; At this moment; The Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circulation heating circuit;
When needs freeze; When envionmental humidity when setting relative humidity and environment temperature smaller or equal to the 3rd design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment, the Chang Kaiduan of three-way magnetic valve connects, and air source heat pump main frame water goes out, the cold backwater water knockout drum in floor heating ground links to each other, the cold water outlet water knockout drum in floor heating ground, air source heat pump main frame backwater form the circularly cooling loop; When envionmental humidity when setting relative humidity and environment temperature greater than the 3rd design temperature; Said master controller opens said air source heat pump main frame, cuts out said PTC semiconductor heat booster; At this moment; The normal-closed end of three-way magnetic valve is connected, and air source heat pump main frame water goes out, fan coil and air source heat pump main frame backwater form the circularly cooling loop.
6. progress control method according to claim 5; It is characterized in that: said first design temperature is a numerical value in 4～7 degrees centigrade; Said second design temperature is a numerical value in subzero 4 degrees centigrade to subzero 6 degrees centigrade; Said the 3rd design temperature is a numerical value in 18～22 degrees centigrade, and said setting relative humidity is a numerical value in 35%～45%.
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| CN2010101731307A CN101832604B (en) | 2010-05-13 | 2010-05-13 | Central air conditioning device and running control method thereof |
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| CN2010101731307A CN101832604B (en) | 2010-05-13 | 2010-05-13 | Central air conditioning device and running control method thereof |
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| CN101832604B true CN101832604B (en) | 2012-06-06 |
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| CN103185378A (en) * | 2013-03-30 | 2013-07-03 | 刘玉岭 | Cold and hot water double-loop air-conditioning system |
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