CN106871348A - A kind of control method of pump type heat aircraft floor air conditioner group - Google Patents
A kind of control method of pump type heat aircraft floor air conditioner group Download PDFInfo
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- CN106871348A CN106871348A CN201710067087.8A CN201710067087A CN106871348A CN 106871348 A CN106871348 A CN 106871348A CN 201710067087 A CN201710067087 A CN 201710067087A CN 106871348 A CN106871348 A CN 106871348A
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/54—Heating and cooling, simultaneously or alternatively
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control method of pump type heat aircraft floor air conditioner group, using heat pump mode, using inverse Carnot cycle, it is input into by a small amount of high-grade electric energy, low grade heat energy in air is transferred in use side air, significantly improving energy efficiency ratio, Energy Efficiency Ratio may be up between 3.0~3.5 system in itself, energy consumption is down to the 14%~16% of electrical heating energy consumption, saves mass energy.Meanwhile, various suitable defrosting functions are provided with the system, it is ensured that unit normal table runs, reliability is significantly lifted, and conventional airplane ground air conditioner unit of the prior art is effectively solved, in winter heating operation, heated only with electric heater, energy consumption is big, etc. defect and deficiency, energy saving, lifting control accuracy, lifting cabin comfortableness, and various suitable defrosting functions are provided with systems, it is ensured that unit normal table runs.
Description
Technical field
The present invention relates to a kind of airplane ground support equipment, more particularly to a kind of control of pump type heat aircraft floor air conditioner group
Method processed.
Background technology
It is installed on below the air bridge of airport general aircraft floor air conditioner group existing at present, hanging or seat, can be with
Shelter bridge is moved, and all-fresh air air heats by the direct sweat cooling of cooling in summer system or winter electric heater of unit
Afterwards, cold air or hot-air send into aircraft cabin and driving through adiabatic delivery hose and snap joint by aircraft air condition air outlet
Room, the cooling air of treated certain flow, temperature, pressure is provided for the aircraft for resting in airport.
The use of aircraft floor air conditioner group can reduce the use of the APU of aircraft, reduce disappearing for expensive Aviation Fuel
Consumption, extends the service life of aircraft air-conditioning system, reduces atmosphere pollution, realizes energy-saving and emission-reduction.Greatly develop aircraft earth surface air-conditioning
Machine, is the major action for building energy conservation type society.
But in winter, conventional airplane ground air conditioner unit refrigeration is heated only with electric heater, and energy consumption is big, electric heater sheet
Body Energy Efficiency Ratio is only 0.95~0.98, causes substantial amounts of energy waste, and the whole machine operational efficiency of unit is low, energy consumption big, control accuracy
It is not high, do not meet " energy-saving and emission-reduction " policy and construction of energy economizing type, the requirement of friendly environment society that current country advocates
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of pump type heat aircraft floor air conditioner group
Control method, it is intended to solve the problems, such as that the whole machine operational efficiency of aircraft earth surface air-conditioning product unit is low, energy consumption is big.
Technical scheme is as follows：
A kind of control method of pump type heat aircraft floor air conditioner group, wherein, including step：
A, the control model for prestoring various air-conditioner sets；
B, the one kind chosen as needed in various control pattern, into the control model working condition.
The control method of described pump type heat aircraft floor air conditioner group, wherein, in the step A, various control pattern
Including：Cooling operation mode, ventilation operational mode and heating operation mode, airduct pattern are provided with double airduct patterns, single airduct 1
Pattern, single pattern of airduct 2.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step B includes：
B1, high pressure blower one and the startup optimization of high pressure blower two, axial flow blower startup optimization, four-way valve one and two lose
Electricity, central control system, according to leaving air temp is set, is higher than air-out design temperature+refrigeration when wind pushing temperature sensor detects temperature
Can design temperature difference when, load operating is carried out by the order of system one, two, three, four to refrigeration system；Work as wind pushing temperature sensor
Detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system press system four, three, two, it is smooth
Carry out unloading operation；Wind pushing temperature sensor detection temperature can design temperature difference and air-out in air-out design temperature+refrigeration
Design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, and now control model is refrigerating operaton mould
Formula, double airduct patterns.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step B also includes：
B2, the startup optimization of high pressure blower one, high pressure blower two and refrigeration system four are shut down, and axial flow blower starts fortune
OK, the dead electricity of four-way valve one and two, central control system according to set leaving air temp, when wind pushing temperature sensor detection temperature be higher than
Air-out design temperature+refrigeration can design temperature difference when, load operating is carried out by the order of system one, two, three to refrigeration system；When
Wind pushing temperature sensor detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system by system
3rd, two, one it is smoothed out unloading operation；Wind pushing temperature sensor detection temperature can set temperature in air-out design temperature+refrigeration
Degree difference and air-out design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, now control model
It is cooling operation mode, the pattern of single airduct 2.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step B also includes：
B3, the startup optimization of high pressure blower two, high pressure blower one and refrigeration system three are shut down, and axial flow blower starts fortune
OK, the dead electricity of four-way valve one and two, central control system according to set leaving air temp, when wind pushing temperature sensor detection temperature be higher than
Air-out design temperature+refrigeration can design temperature difference when, load operating is carried out by the order of system one, two, four to refrigeration system；When
Wind pushing temperature sensor detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system by system
4th, two, one it is smoothed out unloading operation；Wind pushing temperature sensor detection temperature can set temperature in air-out design temperature+refrigeration
Degree difference and air-out design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, now control model
It is cooling operation mode, the pattern of single airduct 1.
The control method of described pump type heat aircraft floor air conditioner group, wherein, also including step：
C, when refrigeration system three and the evaporator of refrigeration system four are because of temperature reduction, when there is existing frosting, the steaming of refrigeration system
Hair pressure declines, and the pressure that the refrigeration system three and the evaporating pressure controller of refrigeration system four are detected is less than pressure set points
When, the hot gas bypass solenoid valve of refrigeration system three and refrigeration system four is opened, and the high temperature refrigerant of compressor exhaust pipe is overheated
Steam is entered behind the expansion valve of refrigeration system three and refrigeration system four, allows high temperature hot gas to enter the refrigeration that evaporator heats frosting
System three and the evaporator of refrigeration system four, remove frosting；After frosting defrosting is finished, evaporating pressure rises, the refrigeration system
Three and the pressure that detects of the evaporating pressure controller of refrigeration system four resetted setting difference sum higher than pressure set points plus-pressure
When, the hot gas bypass solenoid valve of refrigeration system three and refrigeration system four is closed, and stopping allows high pressure refrigerant vapor to enter evaporator.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step B also includes：
B4, high pressure blower one and the startup optimization of high pressure blower two, other all refrigeration systems and axial flow blower stop
Machine, now control model is ventilation operational mode, the pattern of single airduct 2.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step B also includes：
B5, the startup optimization of high pressure blower two, high pressure blower one and other all refrigeration systems and axial flow blower stop
Machine, now control model is ventilation operational mode, the pattern of single airduct 1.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step B also includes：
B6, the compressor shutdown from defrosting and refrigeration system three and four, now control model is heating operation mode, if actual
EAT TEnter, system startup EAT TEnter 1, two system startup EAT TEnter 2；
Work as TEnter≤TEnter 1When, heat pump refrigeration system one starts heating operation, and four-way valve one obtains electric, works as TEnter>TEnter 1When, heat pump system
Cooling system one is shut down, the dead electricity of four-way valve one；
Work as TEnter≤TEnter 2When, the startup optimization of heat pump refrigeration system two, four-way valve one obtains electric, works as TEnter>TEnter 2When, heat pump refrigerating system
System two is shut down, the dead electricity of four-way valve one；
When operating system selection heating operation mode is shown, actual leaving air temp TGo out, air-out design temperature TGo out to set, can set
Determine control accuracy TSetting accuracy
Work as TGo out to set-TSetting accuracy≤TGo out≤TGo out to set+TSetting accuracyWhen, auxiliary heater is not loaded with also not driving load；
Work as TGo out＞ TGo out to set+TSetting accuracyWhen, auxiliary heater is controlled imperial carrying row using solid-state relay；
Work as TGo out＜ TGo out to set+TSetting accuracyWhen, auxiliary heater is controlled load operating using solid-state relay；
The control method of described pump type heat aircraft floor air conditioner group, wherein, in the step B, one-level heat pump refrigerating
System, it is T to set defrosting start-up temperatureExcept 0 one, set defrosting to stop temperature is TExcept 1 one, defrost what temperature sensor was real-time monitored
Defrosting temperature is TExcept one, set startup the defrosting mode standard time be tIf one, actual defrosting temperature is already below defrosting standards temperature
Duration be t0 one, the standard time for setting operation defrosting mode is tIf fortune one, actual defrosting time is tFortune one；
When unit operation is in air-source heating operation mode, if TExcept one＜ TExcept 0 oneAnd t0 one≥tIf one, one-level heat pump refrigerating system
System maintains heating operation mode；If TExcept one≥TExcept 0 oneOr TExcept one＜ TExcept 0 oneAnd t0 one＜ tIf oneOr TExcept one≥TExcept 1 oneOr TExcept one＜ TExcept 1 oneAnd tFortune one
≥tIf fortune one, unit enter Defrost operation pattern, four-way valve dead electricity；
Two grades of heat pump refrigeration systems, it is T to set defrosting start-up temperatureExcept 0 two, set defrosting to stop temperature is TExcept 1 two, defrosting temperature
The defrosting temperature that degree sensor is real-time monitored is TExcept two, set startup the defrosting mode standard time be tIf two, actual defrosting temperature
It is t already below the duration of defrosting standards temperature0 two, the standard time for setting operation defrosting mode is tIf fortune two, actual defrosting
Time is tFortune two；
When unit operation is in air-source heating operation mode, if TExcept two＜ TExcept 0 twoAnd t0 two≥tIf two, one-level heat pump refrigerating system
System maintains heating operation mode；If TExcept two≥TExcept 0 twoOr TExcept two＜ TExcept 0 twoAnd t0 two＜ tIf twoOr TExcept two≥TExcept 1 twoOr TExcept two＜ TExcept 1 twoAnd tFortune two
≥tIf fortune two, unit enter Defrost operation pattern, four-way valve dead electricity.
Beneficial effect：The invention discloses a kind of control method of pump type heat aircraft floor air conditioner group, using heat pump side
Formula, using inverse Carnot cycle, is input into by a small amount of high-grade electric energy, and the low grade heat energy in air is transferred to using side air
In, significantly improving energy efficiency ratio, Energy Efficiency Ratio may be up between 3.0~3.5 system in itself, and energy consumption is down to the 14% of electrical heating energy consumption
~16%, save mass energy.Meanwhile, various suitable defrosting functions are provided with the system, it is ensured that unit normal table
Operation, reliability is significantly lifted, and effectively solves conventional airplane ground air conditioner unit of the prior art, is heated in winter
During operation, heated only with electric heater, energy consumption is big, etc. defect and deficiency, energy saving lifts control accuracy, lifts cabin
Comfortableness, and various suitable defrosting functions are provided with systems, it is ensured that unit normal table runs.
Brief description of the drawings
The step of Fig. 1 is the control method of the pump type heat aircraft floor air conditioner group of the present invention flow chart.
Fig. 2 is air-treatment of the invention, refrigeration heat pump system schematic diagram.
Fig. 3 is the suspension type structure chart of pump type heat aircraft floor air conditioner group of the invention.
Fig. 4 is the ground type structure chart of pump type heat aircraft floor air conditioner group of the invention.
Fig. 5 is the scheme of installation of suspension type pump type heat aircraft floor air conditioner group of the present invention.
Fig. 6 is the scheme of installation of ground type pump type heat aircraft floor air conditioner group of the present invention.
Specific embodiment
The present invention provides a kind of control method of pump type heat aircraft floor air conditioner group, to make the purpose of the present invention, technology
Scheme and effect are clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
The invention discloses a kind of control method of pump type heat aircraft floor air conditioner group, as shown in figure 1, being methods described
The step of flow chart, wherein, including step：
S1, the control model for prestoring various air-conditioner sets；
S2, the one kind chosen as needed in various control pattern, into the control model working condition.
The control method of described pump type heat aircraft floor air conditioner group, wherein, in the step S1, various control pattern
Including：Cooling operation mode, ventilation operational mode and heating operation mode, airduct pattern are provided with double airduct patterns, single airduct 1
Pattern, single pattern of airduct 2.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step S2 includes：
S201, high pressure blower one and the startup optimization of high pressure blower two, axial flow blower startup optimization, four-way valve one and two
Dead electricity, central control system, according to leaving air temp is set, is higher than air-out design temperature+system when wind pushing temperature sensor detects temperature
It is cold can design temperature difference when, load operating is carried out by the order of system one, two, three, four to refrigeration system；When wind pushing temperature sensing
Device detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system press system four, three, two, it is suitable
Profit carries out unloading operation；Wind pushing temperature sensor detection temperature be in air-out design temperature+refrigeration can design temperature difference with go out
Wind design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, and now control model is refrigerating operaton
Pattern, double airduct patterns.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step S2 also includes：
S202, the startup optimization of high pressure blower one, high pressure blower two and refrigeration system four are shut down, and axial flow blower starts fortune
OK, the dead electricity of four-way valve one and two, central control system according to set leaving air temp, when wind pushing temperature sensor detection temperature be higher than
Air-out design temperature+refrigeration can design temperature difference when, load operating is carried out by the order of system one, two, three to refrigeration system；When
Wind pushing temperature sensor detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system by system
3rd, two, one it is smoothed out unloading operation；Wind pushing temperature sensor detection temperature can set temperature in air-out design temperature+refrigeration
Degree difference and air-out design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, now control model
It is cooling operation mode, the pattern of single airduct 2.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step S2 also includes：
S203, the startup optimization of high pressure blower two, high pressure blower one and refrigeration system three are shut down, and axial flow blower starts fortune
OK, the dead electricity of four-way valve one and two, central control system according to set leaving air temp, when wind pushing temperature sensor detection temperature be higher than
Air-out design temperature+refrigeration can design temperature difference when, load operating is carried out by the order of system one, two, four to refrigeration system；When
Wind pushing temperature sensor detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system by system
4th, two, one it is smoothed out unloading operation；Wind pushing temperature sensor detection temperature can set temperature in air-out design temperature+refrigeration
Degree difference and air-out design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, now control model
It is cooling operation mode, the pattern of single airduct 1.
The control method of described pump type heat aircraft floor air conditioner group, wherein, also including step：
S3, when refrigeration system three and the evaporator of refrigeration system four are because of temperature reduction, when there is existing frosting, the steaming of refrigeration system
Hair pressure declines, and the pressure that the refrigeration system three and the evaporating pressure controller of refrigeration system four are detected is less than pressure set points
When, the hot gas bypass solenoid valve of refrigeration system three and refrigeration system four is opened, and the high temperature refrigerant of compressor exhaust pipe is overheated
Steam is entered behind the expansion valve of refrigeration system three and refrigeration system four, allows high temperature hot gas to enter the refrigeration that evaporator heats frosting
System three and the evaporator of refrigeration system four, remove frosting；After frosting defrosting is finished, evaporating pressure rises, the refrigeration system
Three and the pressure that detects of the evaporating pressure controller of refrigeration system four resetted setting difference sum higher than pressure set points plus-pressure
When, the hot gas bypass solenoid valve of refrigeration system three and refrigeration system four is closed, and stopping allows high pressure refrigerant vapor to enter evaporator.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step S2 also includes：
S204, high pressure blower one and the startup optimization of high pressure blower two, other all refrigeration systems and axial flow blower are equal
Shut down, now control model is ventilation operational mode, the pattern of single airduct 2.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step S2 also includes：
S205, the startup optimization of high pressure blower two, high pressure blower one and other all refrigeration systems and axial flow blower are equal
Shut down, now control model is ventilation operational mode, the pattern of single airduct 1.
The control method of described pump type heat aircraft floor air conditioner group, wherein, the step S2 also includes：
S206, the compressor shutdown from defrosting and refrigeration system three and four, now control model is heating operation mode, if real
Border EAT TEnter, system startup EAT TEnter 1, two system startup EAT TEnter 2；
Work as TEnter≤TEnter 1When, heat pump refrigeration system one starts heating operation, and four-way valve one obtains electric, works as TEnter>TEnter 1When, heat pump system
Cooling system one is shut down, the dead electricity of four-way valve one；
Work as TEnter≤TEnter 2When, the startup optimization of heat pump refrigeration system two, four-way valve one obtains electric, works as TEnter>TEnter 2When, heat pump refrigerating system
System two is shut down, the dead electricity of four-way valve one；
When operating system selection heating operation mode is shown, actual leaving air temp TGo out, air-out design temperature TGo out to set, can set
Determine control accuracy TSetting accuracy
Work as TGo out to set-TSetting accuracy≤TGo out≤TGo out to set+TSetting accuracyWhen, auxiliary heater is not loaded with also not driving load；
Work as TGo out＞ TGo out to set+TSetting accuracyWhen, auxiliary heater is controlled imperial carrying row using solid-state relay；
Work as TGo out＜ TGo out to set+TSetting accuracyWhen, auxiliary heater is controlled load operating using solid-state relay；
The control method of described pump type heat aircraft floor air conditioner group, wherein, in the step S2, one-level heat pump refrigerating
System, it is T to set defrosting start-up temperatureExcept 0 one, set defrosting to stop temperature is TExcept 1 one, defrost what temperature sensor was real-time monitored
Defrosting temperature is TExcept one, set startup the defrosting mode standard time be tIf one, actual defrosting temperature is already below defrosting standards temperature
Duration be t0 one, the standard time for setting operation defrosting mode is tIf fortuneOne, actual defrosting time is tFortune one；
When unit operation is in air-source heating operation mode, if TExcept one＜ TExcept 0One and t0 one≥tIf one, one-level heat pump refrigerating system
System maintains heating operation mode；If TExcept one≥TExcept 0 oneOr TExcept one＜ TExcept 0 oneAnd t0 one＜ tIf oneOr TExcept one≥TExcept 1 oneOr TExcept one＜ TExcept 1 oneAnd tFortune one
≥tIf fortune one, unit enter Defrost operation pattern, four-way valve dead electricity；
Two grades of heat pump refrigeration systems, it is T to set defrosting start-up temperatureExcept 0 two, set defrosting to stop temperature is TExcept 1 two, defrosting temperature
The defrosting temperature that degree sensor is real-time monitored is TExcept two, set startup the defrosting mode standard time be tIf two, actual defrosting temperature
It is t already below the duration of defrosting standards temperature0 two, the standard time for setting operation defrosting mode is tIf fortune two, actual defrosting
Time is tFortune two；
When unit operation is in air-source heating operation mode, if TExcept two＜ TExcept 0 twoAnd t0 two≥tIf two, one-level heat pump refrigerating system
System maintains heating operation mode；If TExcept two≥TExcept 0 twoOr TExcept two＜ TExcept 0 twoAnd t0 two＜ tIf twoOr TExcept two≥TExcept 1 twoOr TExcept two＜ TExcept 1 twoAnd tFortune two
≥tIf fortune two, unit enter Defrost operation pattern, four-way valve dead electricity.
Present pre-ferred embodiments, as shown in Fig. 2,3,4,5,6, wherein, Fig. 2 is air-treatment of the invention, refrigeration heat
Pumping system schematic diagram；Fig. 3 is suspension type structure chart of the invention；Fig. 4 is ground type structure chart of the invention；Fig. 5 is the present invention
Suspension type scheme of installation；Fig. 6 is ground type scheme of installation of the invention, and heat pump type air conditioner unit of the invention includes framework
Structure (1), air-conditioning system (2), one-level heat pump refrigeration system (3), two grades of heat pump refrigeration systems (4), three-level are from the system of defrosting
Cooling system (5), level Four are from subsystems such as defrosting and refrigeration system (6), auxiliary heating system (7), automatic control systems (8).
Lifting part (12), outer framework when the frame structure includes that outer framework structure air-conditioning box (11), lift-on/lift-off type are installed
The Cooling and Heat Source that the axial flow blower (13,14,15) of installation, outer framework structure air-conditioning box (11) side are installed on air-conditioning box structure is then changed
The components such as the fixture (17) when hot device air-inlet grille (16), console mode are installed.
Described air-conditioning system includes：Air cleaner (21), air channel one (22), high pressure blower one (23), height
Drum pressure blower fan two (211), air channel two (24), electric fire-damper one (25), electric fire-damper two (26), air outlet one (27), send
Air port two (28), air supplying hose (29), wherein air channel one (22) are internal to be successively：One or two grades using side heat exchanger (33,43) and
The prime of refrigeration system three and four uses side heat exchanger (53,63), and air channel two (24) is internal to be disposed with from defrosting and refrigeration system three
Rear class with four uses side heat exchanger (54,64).
The one-level heat pump refrigeration system and two grades of heat pump refrigeration systems include：The compressor of heat pump refrigeration system one and two
Then heat exchanger (32,42), heat pump refrigeration system one and two are exchanged heat using side for (31,41), the Cooling and Heat Source of heat pump refrigeration system one and two
Device (33,43), non-return valve (35,45), the pressure protector of heat pump refrigeration system one and two (36,46), the and of heat pump refrigeration system one
Two four-way valve reversal valves (37,47), heat pump refrigeration system one and two heat heating power expansion valve (38,48), heat pump refrigeration system one
With two refrigeration check valve (39,49), the device for drying and filtering of heat pump refrigeration system one and two (310,410), the and of heat pump refrigeration system one
Two refrigeration thermostatic expansion valves (311,411), heat pump refrigeration system one and two heat check valve (312,412), heat pump refrigeration system
One and two vapour liquid separators (313,413).
The three-level includes from defrosting and refrigeration system and level Four from defrosting and refrigeration system：From defrosting and refrigeration system three and four
Compressor (51,61), from the Cooling and Heat Source of defrosting and refrigeration system three and four then heat exchanger (52,62), from the and of defrosting and refrigeration system three
Four prime uses side heat exchanger (54,64), inverse using side heat exchanger (53,63), from the rear class of defrosting and refrigeration system three and four
Only valve (55), pressure protector (56), device for drying and filtering (58), expansion valve (59,69), vapour from defrosting and refrigeration system three and four
Liquid/gas separator (510), it is magnet valve (511,611) from the hot-gas bypass of defrosting and refrigeration system three and four.
The auxiliary heating system (7), including auxiliary heater (71).
The automatic control system (8), including：Electric control box (81), electrical heating solid-state relay (85), flow sensing
Device (86), pressure sensor (87), wind pushing temperature sensor (88), blasting humidity sensor (89), smoke detector (810),
Cabin temperature sensor (811), cabin humidity sensor (812), sensor data acquisition system (813), center control system
(814), the component such as display operating system (815).
The present invention, central control system sets according to the cabin humiture of display operating system (814), operational mode sets
Fixed, air-out flow or aircraft model setting, air-out humiture set, air outlet selection setting (can select air outlet one or two
Or simultaneously open) input requirements, by sensor data acquisition system gather actual motion in air-out flow, air-out it is warm and humid
Spend, go out the data such as wind pressure, cabin humiture, calculate and control each execution system automatically, control pressure fan and electric fire-damper
Unlatching selection, control the unlatching or shutdown of refrigeration system one to four, four-way reversing valve dead electricity, control electric heating system
The intelligent control method that output heating amount, regulation air-out parameter or cabin temperature are adapted with setting value.
The present invention, in display operating system (814), operational mode be provided with cooling operation mode, ventilation operational mode and
Heating operation mode, airduct pattern is provided with double airduct patterns, single pattern of airduct 1, single pattern of airduct 2, and user can be according to need
Select the control model for needing.
The present invention, when display operating system (814) selection cooling operation mode, during double airduct patterns, high pressure blower one
(23) and the startup optimization of high pressure blower two (211), axial flow blower startup optimization, the dead electricity of four-way valve one and two, center control system
System can set temperature when wind pushing temperature sensor (88) detects temperature according to leaving air temp is set higher than air-out design temperature+refrigeration
During degree difference, load operating is carried out by the order of system one, two, three, four to refrigeration system；When wind pushing temperature sensor (88) detection
Temperature less than air-out design temperature-refrigeration can design temperature difference when, refrigeration system is smoothed out by system four, three, two,
Unloading operation；Wind pushing temperature sensor (88) detection temperature can design temperature difference and air-out in air-out design temperature+refrigeration
Design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation.
When display operating system (814) selection cooling operation mode, during single 2 pattern of airduct, high pressure blower one (23) is opened
Dynamic operation, high pressure blower two (211) and refrigeration system four are shut down, axial flow blower startup optimization, the dead electricity of four-way valve one and two, in
Centre control system, according to leaving air temp is set, is higher than air-out design temperature+refrigeration when wind pushing temperature sensor (88) detects temperature
Can design temperature difference when, load operating is carried out by the order of system one, two, three to refrigeration system；Work as wind pushing temperature sensor
(88) detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system press system three, two, it is suitable
Profit carries out unloading operation；Wind pushing temperature sensor (88) detection temperature can design temperature difference in air-out design temperature+refrigeration
With air-out design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation.
When display operating system (814) selection cooling operation mode, during single 1 pattern of airduct, high pressure blower two (211) is opened
Dynamic operation, high pressure blower one (23) and refrigeration system three are shut down, axial flow blower startup optimization, the dead electricity of four-way valve one and two, in
Centre control system, according to leaving air temp is set, is higher than air-out design temperature+refrigeration when wind pushing temperature sensor (88) detects temperature
Can design temperature difference when, load operating is carried out by the order of system one, two, four to refrigeration system；Work as wind pushing temperature sensor
(88) detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system press system four, two, it is suitable
Profit carries out unloading operation；Wind pushing temperature sensor (88) detection temperature can design temperature difference in air-out design temperature+refrigeration
With air-out design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation.
The present invention, when refrigeration system three and the evaporator of refrigeration system four are because of temperature reduction, when there is existing frosting, refrigeration system
Evaporating pressure decline, the pressure that the refrigeration system three and the evaporating pressure controller of refrigeration system four (88,89) are detected is low
When pressure set points, the hot gas bypass solenoid valve (511,611) of refrigeration system three and refrigeration system four is opened, and compressor is arranged
The high temperature refrigerant superheated vapor of tracheae is entered behind the expansion valve (59,69) of refrigeration system three and refrigeration system four, allows high temperature
Hot gas enters the refrigeration system three and the evaporator of refrigeration system four of evaporator heating frosting, removes frosting.When frosting defrosting is finished
Afterwards, evaporating pressure rises, and the pressure that the refrigeration system three and the evaporating pressure controller of refrigeration system four (88,89) are detected is high
When pressure set points plus-pressure resets setting difference sum, the hot gas bypass solenoid valve of refrigeration system three and refrigeration system four
(511,611) close, stopping allows high pressure refrigerant vapor to enter evaporator.
The present invention, when display operating system (814) selection ventilation operational mode, during double airduct patterns, high pressure blower one
(23) and the startup optimization of high pressure blower two (211), other all refrigeration systems and axial flow blower are shut down.
When display operating system (814) selection ventilation operational mode, during single 2 pattern of airduct, high pressure blower one (23) is opened
Dynamic operation, high pressure blower two (211) and other all refrigeration systems and axial flow blower are shut down.
When display operating system (814) selection ventilation operational mode, during single 1 pattern of airduct, high pressure blower two (211) is opened
Dynamic operation, high pressure blower one (23) and other all refrigeration systems and axial flow blower are shut down.
The present invention, the control method of its heat pump refrigeration system heating operation is characterised by：When display operating system (814) choosing
When selecting heating operation mode, shut down from the compressor (51,61) of defrosting and refrigeration system three and four.
Actual EAT TEnter, system startup EAT TEnter 1, two system startup EAT TEnter 2
Work as TEnter≤TEnter 1When, heat pump refrigeration system one starts heating operation, and four-way valve one obtains electric, works as TEnter>TEnter 1When, heat pump system
Cooling system one is shut down, the dead electricity of four-way valve one.
Work as TEnter≤TEnter 2When, the startup optimization of heat pump refrigeration system two, four-way valve one obtains electric, works as TEnter>TEnter 2When, heat pump refrigerating system
System two is shut down, the dead electricity of four-way valve one.
The present invention, its heat pump refrigeration system defrosting control method is characterised by：
One-level heat pump refrigeration system, it is T to set defrosting start-up temperatureExcept 0 one, set defrosting to stop temperature is TExcept 1 one, defrosting temperature
The defrosting temperature that degree sensor is real-time monitored is TExcept one, set startup the defrosting mode standard time be tIf one, actual defrosting temperature
It is t already below the duration of defrosting standards temperature0 one, the standard time for setting operation defrosting mode is tIf fortune one, actual defrosting
Time is tFortune one。
When unit operation is in air-source heating operation mode, if TExcept one＜ TExcept 0 oneAnd t0 one≥tIf one, one-level heat pump refrigerating system
System maintains heating operation mode；If TExcept one≥TExcept 0 oneOr TExcept one＜ TExcept 0 oneAnd t0 one＜ tIf oneOr TExcept one≥TExcept 1One or TExcept one＜ TExcept 1 oneAnd tFortune one
≥tIf fortune one, unit enter Defrost operation pattern, four-way valve dead electricity.
Two grades of heat pump refrigeration systems, it is T to set defrosting start-up temperatureExcept 0 two, set defrosting to stop temperature is TExcept 1 two, defrosting temperature
The defrosting temperature that degree sensor is real-time monitored is TExcept two, set startup the defrosting mode standard time be tIf two, actual defrosting temperature
It is t already below the duration of defrosting standards temperature0 two, the standard time for setting operation defrosting mode is tIf fortune two, actual defrosting
Time is tFortune two。
When unit operation is in air-source heating operation mode, if TExcept two＜ TExcept 0 twoAnd t0 two≥tIf two, one-level heat pump refrigerating system
System maintains heating operation mode；If TExcept two≥TExcept 0 twoOr TExcept two＜ TExcept 0 twoAnd t0 two＜ tIf twoOr TExcept two≥TExcept 1 twoOr TExcept two＜ TExcept 1 twoAnd tFortune two
≥tIf fortune two, unit enter Defrost operation pattern, four-way valve dead electricity.
The present invention, its auxiliary heater control method is characterised by：When display operating system (814) selection heating operation mould
During formula, actual leaving air temp TGo out, air-out design temperature TGo out to set, control accuracy T can be setSetting accuracy
Work as TGo out to set-TSetting accuracy≤TGo out≤TGo out to set+TSetting accuracyWhen, auxiliary heater (7) is not loaded with also not driving load.
Work as TGo out＞ TGo out to set+TSetting accuracyWhen, auxiliary heater (7) is controlled imperial carrying row using solid-state relay.
Work as TGo out＜ TGo out to set+TSetting accuracyWhen, auxiliary heater (7) is controlled load operating using solid-state relay.
The present invention, the air outlet of pump type heat aircraft floor air conditioner group can be single air outlet, or double air outlets, when
When pump type heat aircraft floor air conditioner group is single air outlet, unit is only capable of supply and squeezes body aircraft utilization.When pump type heat aircraft floor
When air-conditioner set is double air outlets, unit can supply wide-bodied aircraft and use, and also can set air outlet one (27) by control panel
Or air outlet two (28), and by control high pressure blower one (23), high pressure blower two (211), electric fire-damper one (25),
Electric fire-damper two (26) is for automatically selecting air outlet one and the air feed of air outlet two.
Meanwhile, below the air-conditioner set air bridge loaded on civil airport capable of hoisting, also can be installed on air bridge seat
Below or around.
In sum, the invention discloses a kind of control method of pump type heat aircraft floor air conditioner group, using heat pump side
Formula, using inverse Carnot cycle, is input into by a small amount of high-grade electric energy, and the low grade heat energy in air is transferred to using side air
In, significantly improving energy efficiency ratio, Energy Efficiency Ratio may be up between 3.0~3.5 system in itself, and energy consumption is down to the 14% of electrical heating energy consumption
~16%, save mass energy.Meanwhile, various suitable defrosting functions are provided with the system, it is ensured that unit normal table
Operation, reliability is significantly lifted, and effectively solves conventional airplane ground air conditioner unit of the prior art, is heated in winter
During operation, heated only with electric heater, energy consumption is big, etc. defect and deficiency, energy saving lifts control accuracy, lifts cabin
Comfortableness, and various suitable defrosting functions are provided with systems, it is ensured that unit normal table runs.
It should be appreciated that application of the invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved according to the above description or converted, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Shield scope.
Claims (10)
1. a kind of control method of pump type heat aircraft floor air conditioner group, it is characterised in that including step：
A, the control model for prestoring various air-conditioner sets；
B, the one kind chosen as needed in various control pattern, into the control model working condition.
2. the control method of pump type heat aircraft floor air conditioner group according to claim 1, it is characterised in that the step
In A, various control pattern includes：Cooling operation mode, ventilation operational mode and heating operation mode, airduct pattern is provided with double
Airduct pattern, single pattern of airduct 1, single pattern of airduct 2.
3. the control method of pump type heat aircraft floor air conditioner group according to claim 2, it is characterised in that the step
B includes：
B1, high pressure blower one and the startup optimization of high pressure blower two, axial flow blower startup optimization, the dead electricity of four-way valve one and two,
Central control system, according to leaving air temp is set, is higher than that air-out design temperature+refrigeration can when wind pushing temperature sensor detects temperature
During design temperature difference, load operating is carried out by the order of system one, two, three, four to refrigeration system；When wind pushing temperature sensor is visited
Testing temperature less than air-out design temperature-refrigeration can design temperature difference when, refrigeration system is smoothly entered by system four, three, two,
Row unloading operation；Wind pushing temperature sensor detection temperature be in air-out design temperature+refrigeration can design temperature difference and air-out set
Constant temperature degree-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, and now control model is refrigerating operaton mould
Formula, double airduct patterns.
4. the control method of pump type heat aircraft floor air conditioner group according to claim 3, it is characterised in that the step
B also includes：
B2, the startup optimization of high pressure blower one, high pressure blower two and refrigeration system four are shut down, axial flow blower startup optimization, four
The dead electricity of port valve one and two, central control system, according to leaving air temp is set, is higher than air-out when wind pushing temperature sensor detects temperature
Design temperature+refrigeration can design temperature difference when, load operating is carried out by the order of system one, two, three to refrigeration system；Work as air-supply
Temperature sensor detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system press system three,
2nd, one it is smoothed out unloading operation；Wind pushing temperature sensor detection temperature be in air-out design temperature+refrigeration can design temperature it is poor
Value and air-out design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, and now control model is to make
Cold operation pattern, the pattern of single airduct 2.
5. the control method of pump type heat aircraft floor air conditioner group according to claim 4, it is characterised in that the step
B also includes：
B3, the startup optimization of high pressure blower two, high pressure blower one and refrigeration system three are shut down, axial flow blower startup optimization, four
The dead electricity of port valve one and two, central control system, according to leaving air temp is set, is higher than air-out when wind pushing temperature sensor detects temperature
Design temperature+refrigeration can design temperature difference when, load operating is carried out by the order of system one, two, four to refrigeration system；Work as air-supply
Temperature sensor detection temperature less than air-out design temperature-refrigeration can design temperature difference when, to refrigeration system press system four,
2nd, one it is smoothed out unloading operation；Wind pushing temperature sensor detection temperature be in air-out design temperature+refrigeration can design temperature it is poor
Value and air-out design temperature-refrigeration can design temperature difference when, refrigeration system maintains the original state operation, and now control model is to make
Cold operation pattern, the pattern of single airduct 1.
6. the control method of pump type heat aircraft floor air conditioner group according to claim 5, it is characterised in that also including step
Suddenly：
C, when refrigeration system three and the evaporator of refrigeration system four are because of temperature reduction, when there is existing frosting, the vapor pres- sure of refrigeration system
Power declines, when the pressure that the refrigeration system three and the evaporating pressure controller of refrigeration system four are detected is less than pressure set points,
The hot gas bypass solenoid valve of refrigeration system three and refrigeration system four is opened, by the high temperature refrigerant superheated vapor of compressor exhaust pipe
Enter behind the expansion valve of refrigeration system three and refrigeration system four, allow high temperature hot gas to enter the refrigeration system that evaporator heats frosting
Three and the evaporator of refrigeration system four, remove frosting；After frosting defrosting is finished, evaporating pressure rises, the He of the refrigeration system three
The pressure that the evaporating pressure controller of refrigeration system four is detected resets when setting difference sum higher than pressure set points plus-pressure, system
The hot gas bypass solenoid valve of cooling system three and refrigeration system four is closed, and stopping allows high pressure refrigerant vapor to enter evaporator.
7. the control method of pump type heat aircraft floor air conditioner group according to claim 5, it is characterised in that the step
B also includes：
B4, high pressure blower one and the startup optimization of high pressure blower two, other all refrigeration systems and axial flow blower are shut down, this
When control model for ventilation operational mode, the pattern of single airduct 2.
8. the control method of pump type heat aircraft floor air conditioner group according to claim 7, it is characterised in that the step
B also includes：
B5, the startup optimization of high pressure blower two, high pressure blower one and other all refrigeration systems and axial flow blower are shut down, this
When control model for ventilation operational mode, the pattern of single airduct 1.
9. the control method of pump type heat aircraft floor air conditioner group according to claim 8, it is characterised in that the step
B also includes：
B6, the compressor shutdown from defrosting and refrigeration system three and four, now control model is heating operation mode, if actual air intake
Temperature TEnter, system startup EAT TEnter 1, two system startup EAT TEnter 2；
Work as TEnter≤TEnter 1When, heat pump refrigeration system one starts heating operation, and four-way valve one obtains electric, works as TEnter>TEnter 1When, heat pump refrigerating system
It is unified to shut down, the dead electricity of four-way valve one；
Work as TEnter≤TEnter 2When, the startup optimization of heat pump refrigeration system two, four-way valve one obtains electric, works as TEnter>TEnter 2When, heat pump refrigeration system two
Shut down, the dead electricity of four-way valve one；
When operating system selection heating operation mode is shown, actual leaving air temp TGo out, air-out design temperature TGo out to set, control can be set
Precision T processedSetting accuracy
Work as TGo out to set-TSetting accuracy≤TGo out≤TGo out to set+TSetting accuracyWhen, auxiliary heater is not loaded with also not driving load；
Work as TGo out＞ TGo out to set+TSetting accuracyWhen, auxiliary heater is controlled imperial carrying row using solid-state relay；
Work as TGo out＜ TGo out to set+TSetting accuracyWhen, auxiliary heater is controlled load operating using solid-state relay.
10. the control method of pump type heat aircraft floor air conditioner group according to claim 9, it is characterised in that the step
In rapid B, one-level heat pump refrigeration system, it is T to set defrosting start-up temperatureExcept 0 one, set defrosting to stop temperature is TExcept 1 one, defrost temperature
The defrosting temperature that sensor is real-time monitored is TExcept one, set startup the defrosting mode standard time be tIf one, actual defrosting temperature is
It is t through the duration less than defrosting standards temperature0 one, the standard time for setting operation defrosting mode is tIf fortune one, during actual defrosting
Between be tFortune one；
When unit operation is in air-source heating operation mode, if TExcept one＜ TExcept 0 oneAnd t0 one≥tIf one, one-level heat pump refrigeration system dimension
Hold heating operation mode；If TExcept one≥TExcept 0 oneOr TExcept one＜ TExcept 0 oneAnd t0 one＜ tIf oneOr TExcept one≥TExcept 1 oneOr TExcept one＜ TExcept 1 oneAnd tFortune one≥
tIf fortune one, unit enter Defrost operation pattern, four-way valve dead electricity；
Two grades of heat pump refrigeration systems, it is T to set defrosting start-up temperatureExcept 0 two, set defrosting to stop temperature is TExcept 1 two, defrosting temperature biography
The defrosting temperature that sensor is real-time monitored is TExcept two, set startup the defrosting mode standard time be tIf two, actual defrosting temperature is
It is t less than the duration of defrosting standards temperature0 two, the standard time for setting operation defrosting mode is tIf fortune two, actual defrosting time
It is tFortune two；
When unit operation is in air-source heating operation mode, if TExcept two＜ TExcept 0 twoAnd t0 two≥tIf two, one-level heat pump refrigeration system dimension
Hold heating operation mode；If TExcept two≥TExcept 0 twoOr TExcept two＜ TExcept 0 twoAnd t0 two＜ tIf twoOr TExcept two≥TExcept 1 twoOr TExcept two＜ TExcept 1 twoAnd tFortune two≥
tIf fortune two, unit enter Defrost operation pattern, four-way valve dead electricity.
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