CN107421054A - A kind of control method of modularization aircraft floor air conditioner group - Google Patents
A kind of control method of modularization aircraft floor air conditioner group Download PDFInfo
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- CN107421054A CN107421054A CN201710230013.1A CN201710230013A CN107421054A CN 107421054 A CN107421054 A CN 107421054A CN 201710230013 A CN201710230013 A CN 201710230013A CN 107421054 A CN107421054 A CN 107421054A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/36—Other airport installations
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Abstract
The invention discloses a kind of control method of modularization aircraft floor air conditioner group, this method by presetting the new air temperature of import in the controller, and the new air temperature actually received is compared, realize the running status for automatically controlling each refrigeration module, carry out accurate temperature adjustment, the automatic running of the heater of the air-conditioner set, high pressure positive blower and axial flow blower can be controlled simultaneously, and the hot blast of axial flow blower discharge will not enter fresh inlet, save energy consumption.
Description
Technical field
The present invention relates to air-conditioning equipment field, more particularly to a kind of control method of modularization aircraft floor air conditioner group.
Background technology
The usual suspension type of aircraft earth surface air-conditioning is installed on air bridge lower surface, or the ground being fixed on below air bridge
On face.Existing modularization aircraft floor air conditioner group sucks fresh air from one end of air-conditioning box, and blower fan is corresponding to condenser
To two cross air blastings of air-conditioning box.The program has the following disadvantages：1, there are substantial amounts of ground crew's operation, air-conditioning in the two sides of shelter bridge
The mode of the cross air blasting of case two causes substantial amounts of hot blast to blow to ground crew, causes Health of Ground Crew at Airport uncomfortable；2, by
It is fresh inlet in one end of air-conditioning, negative pressure is formed at fresh inlet, understands some from the hot blast of air-conditioning box both sides blowout and enter
Enter fresh inlet, so as to add the EAT of fresh air, increase electric energy loss, and easily cause air conditioner refrigeration amount deficiency.
It can be seen that prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of modularization aircraft earth surface air-conditioning
The control method of unit, it is intended to which the hot blast for solving existing modularization aircraft floor air conditioner group both sides discharge enters fresh inlet
Air-conditioner set energy consumption is caused to increase, the technical problem of refrigerating capacity deficiency.
In order to achieve the above object, this invention takes following technical scheme：
A kind of control method of modularization aircraft floor air conditioner group, it is characterised in that the control method comprises the following steps：
S100, the controller of the air-conditioner set receive start-up command, control high pressure positive blower to open respectively, control display is opened
Open；
S200, the controller receive import the fresh air temperature upper limit T1 and lower limit T2 of user's input, the first refrigeration module opens
Move new air temperature TNew 1, the second refrigeration module start new air temperature TNew 2, the 3rd refrigeration module start new air temperature TNew 3, the 4th refrigeration
Module starts new air temperature TNew 4, fire prevention leaving air temp setting value T3, leaving air temp adjust it is cold in precision △ T, each refrigeration module
Solidifying pressure set points PIfWith condensing pressure return difference value PReturn。
S300, the controller receive the operational mode that user selectes；When selected operational mode is automatic mode, hold
Row step S410；When selected operational mode be refrigeration mode, execution step S420；When selected operational mode is heating mould
Formula, perform step S430；When selected operational mode be heating mode, execution step S440；
S410, the controller automatic control air conditioner unit operation are in refrigeration mode, heating mode or air vent mode；
S420, the controller automatically control the first refrigeration module, the second refrigeration module, the 3rd refrigeration module and the 4th refrigeration mould
The running status of block；
S430, the controller automatic controlled electric heater running status；
S440, the controller control each refrigeration module to be in stopped status.
In the control method of described modularization aircraft floor air conditioner group, step S410 is specifically included, the controller
Receive the actual new air temperature T from fresh air temperature sensor feedbackNewlyAnd made comparisons with T1 and T2, if TNewly＞ T1, perform step
Rapid S420；If TNewly＜ T2, perform step S430；If T2 ＜ TNewly＜ T1, perform step S440.
In the control method of described modularization aircraft floor air conditioner group, step S420 is specifically included, the controller
The actual new air temperature T receivedNewly, and and TNew 1 、TNew 2、TNew 3And TNew 4Make comparisons, if TNewly≥TNew 1, control the first refrigeration module
Operation, if TNewly＜ TNew 1, control the first refrigeration module shutdown；If TNewly≥TNew 2, control the second refrigeration module operation, if TNewly
＜ TNew 2, control the second refrigeration module shutdown；TNewly≥TNew 3, control the 3rd refrigeration module operation, if TNewly＜ TNew 3, the system of control the 3rd
Chill block is shut down；TNewly≥TNew 4, control the 4th refrigeration module operation, if TNewly＜ TNew 4, control the 4th refrigeration module shutdown；It is above-mentioned
TNew 1＜ TNew 2＜ TNew 3＜ TNew 4。
In the control method of described modularization aircraft floor air conditioner group, step S430 is specifically included, the controller
Receive the actual leaving air temp T4 of leaving air temp sensor feedback and made comparisons with T3 and △ T, if T4 ＞（T3+ △ T）,
The unloading operation of electric heater capacity adjuster is controlled, reduces electric heater heating amount；If T4 ＜（T3-△T）；Control electrical heating
Device power governor load operating, improve electric heater heating amount；If（T3-△T）≤T4（T3+ △ T）, control electrical heating
Device power governor is both not loaded with or not unloaded.
In the control method of described modularization aircraft floor air conditioner group, described step S410, S420, S430 and S440
Include the control method to axial flow blower, the control method of the control method of the axial flow blower is：The controller receives
The actual condensing pressure P of condensing pressure sensor feedback from each refrigeration moduleIt is realAnd with corresponding each refrigeration module
PIfAnd PReturnCompare；When each refrigeration module is in stopped status, each axial flow blower is controlled to shut down；When at least one
When refrigeration module is in running status, and the actual condensing pressure of the refrigeration module of each operation and the condensing pressure of setting are equal
Meet PIt is real≥PIf, control each axial flow blower to open；When at least one refrigeration module is in running status, and one of them
The actual condensing pressure of refrigeration module and the condensing pressure of setting are satisfied by PIt is real＜ PReturn, control each axial flow blower to shut down.
In the control method of described modularization aircraft floor air conditioner group, described step S410, S420, S430 and S440
Include the control method to electric fire-damper, the control method of the electric fire-damper is：The controller, which receives, to be come from
The actual leaving air temp T4 of leaving air temp sensor feedback simultaneously makes comparisons with T3, if T4 is less than T3, controls each electronic anti-
Fiery valve is opened；If T4 >=3, each electric fire-damper is controlled to close.
Beneficial effect：
The invention provides a kind of control method of modularization aircraft floor air conditioner group, realizes empty to modularization aircraft floor
The refrigeration of tune unit or heating and ventilation automatically adjust, and realize and the running status of each refrigeration module is carried out certainly
Dynamic control.
Brief description of the drawings
Fig. 1 is the front view of modularization aircraft floor air conditioner group provided by the invention.
Fig. 2 is the top view of modularization aircraft floor air conditioner group provided by the invention.
Fig. 3 is the fundamental diagram of modularization aircraft floor air conditioner group provided by the invention.
Fig. 4 is the structured flowchart of the control system of modularization aircraft floor air conditioner group provided by the invention.
Fig. 5 is the FB(flow block) of the control method of modularization aircraft floor air conditioner group provided by the invention.
Embodiment
The present invention provides a kind of modularization aircraft floor air conditioner group, to make the purpose of the present invention, technical scheme and effect
Clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the present invention, is not intended to limit the present invention.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the present invention provides a kind of modularization aircraft floor air conditioner group.In Fig. 2 shown in arrow
For fresh air circulating direction.
Described modularization aircraft floor air conditioner group includes air-conditioning box 90, is arranged at the fresh inlet of the air-conditioning box one end
910th, the fresh air channel being connected with the fresh inlet and the high pressure positive blower 520 being arranged in the fresh air channel, in addition to set
In the axial flow blower 80 on the air-conditioning box with fresh inlet opposite side, the first refrigeration module 10 being arranged in the air-conditioning box,
Second refrigeration module 20, the 3rd refrigeration module 30 and the 4th refrigeration module 40；As shown in figure 3, above-mentioned each refrigeration module difference
Compressor including circulating connection successively（The part of label 101,201,301 and 401）, condenser（The and of label 102,202,302
402 part）, reservoir（The part of label 103,203,303 and 403）, filter（The portion of label 104,204,304 and 404
Part）, expansion valve（The part of label 105,205,305 and 405）And evaporator（Part marked as 106,206,306 and 406）,
The inlet pipeline and outlet conduit of each compressor are respectively arranged with one pressure switch of a non-return valve.Wherein compressor, cold
The part such as condenser, reservoir, filter, expansion valve and evaporator, non-return valve, pressure switch is arranged on a modularization base
（Not shown in figure）, the evaporator of each refrigeration module is located in fresh air channel；Modularization base and the detachable company of air-conditioning box
Connect, evaporator and the expansion valve outlet and compressor inlet detachable connection on modularization base, so as to facilitate refrigeration
Module is advantageously mounted on air-conditioning box.
The operation principle of the air-conditioner set is illustrated exemplified by fresh air refrigerating below, during work, in the effect of high pressure positive blower
Under, extraneous fresh air enters fresh air channel from fresh inlet, by carrying out four refrigeration at the evaporator of aforementioned four refrigeration module
To reach required temperature, then at the outlet row of fresh flue, aircraft cabin is delivered to by corresponding air supplying hose and snap joint
Delivering to aircraft cabin and driving cabin etc. needs the place of cold wind.In the presence of the axial flow blower of air-conditioning box end, with four
The hot blast that the condenser of refrigeration module formed after heat exchange is discharged by air-conditioning box one end relative with fresh inlet, so as to most
The hot blast that discharge is avoided in big degree enters fresh inlet, avoids air-conditioner set electricity caused by repeating to cool down hot blast
The problem of energy loss and refrigerating capacity deficiency.
Further, the fresh air channel includes the first air channel 510 and the second air channel being set in parallel in air-conditioning box
530, high pressure positive blower 520 is series between the first air channel 510 and the second air channel 530, and first air channel is connected with fresh inlet,
The outlet in the second air channel is located at same one end of air-conditioning box with fresh inlet；The wherein evaporator of the first refrigeration module and the second refrigeration
The evaporator of module is located in the first air channel, and the evaporator of the 3rd refrigeration module and the evaporator of the 4th refrigeration module are located at
In second air channel.It is configured through the above way so that the arrangement of fresh air channel and high pressure positive blower in air-conditioning box is more stepped up
Gather, save installing space.
Further, the condenser of each refrigeration module is abreast set along the side wall of air-conditioning box respectively, is passed through
Which sets condenser, both causes the width of each refrigeration module to reduce, so that all parts in whole air-conditioning box
Arrangement is compacter, and the width of air-conditioning box reduces；Further, since flow direction and the condenser of air-flow caused by axial flow blower
Length direction is consistent, i.e. air-flow is longer in the surface heat exchanging time of condenser, and heat exchange is more abundant, improves the heat exchange of condenser
Effect, further ensure the refrigerating capacity of air-conditioner set.
Further, described modularization aircraft floor air conditioner group, first refrigeration module and the second refrigeration module
Specification it is identical, the specification of the 3rd refrigeration module and the 4th refrigeration module is identical.According to the actual requirements, can also be by first
Refrigeration module, the second refrigeration module, the 3rd refrigeration module and the 4th refrigeration module are designed as phase cylinder specification, further improve each
The interchangeability of module, facilitate the dismounting of each refrigeration module.
Further, an air cleaner 920 is provided with the fresh inlet, fresh air forms cleaning after filtering
Air enters fresh air channel.
Further, an air heater 930 is provided with the neighbouring fresh inlet in first air channel, be used for
Heating temperature adjustment is carried out to fresh air and reaches required temperature.
Further, the high pressure positive blower 520 is centrifugal high pressure blower, axial flow type high pressure air blower and high pressure sieve
One kind in thatch blower fan, it is illustrated that be centrifugal high pressure blower, the centrifugal high pressure blower can meet needed for air draught conveying
Pressure, simultaneously as the structure of centrifugal blower be easy to connection with two the first air channels and the second air channel be arrangeding in parallel.Such as figure
Shown in 2, the axis of the main shaft of centrifugal high pressure fan and the first air channel and the second air channel are in 45 ° of angles, are arranged such, reduce height
Press the installing space of centrifugal blower.
Further, an axial flow blower 80 is provided with the air-conditioning box, or is set side by side with least two axle streams
Blower fan, the quantity of the axial flow blower have the specific design parameter such as the refrigerating capacity of the air-conditioner set, air-conditioning cabinet size to determine.
Further, the port of export in second air channel is connected with least one air outlet 940, is set on each air outlet
There is an electric fire-damper 941.Preferably, the second ducting outlet is provided with two air outlets.
Further, the compressor inlet of the 3rd refrigeration module and the 3rd refrigeration module is connected with a gas-liquid separation
Device（Do not marked in figure）.
According to actual installation demand, the air-conditioner set can be designed as ground mounting type, hanging installing type or removable
Formula.
As shown in Fig. 2 the control cabinet of the air-conditioner set is arranged in air-conditioning box.The controller 71 of the air conditioner（Such as monolithic
Machine or programmable logic controller (PLC)）Set with the control cabinet, the air heater, high pressure positive blower, axial flow blower and each
The compressor of individual refrigeration module, each pressure switch, each electric fire-damper are connected with the controller respectively.
The air heater is electric heater, and the electric heater passes through an electric heater capacity adjuster 931 and control
Device 71 processed connects.
Fig. 4 is the structured flowchart of the control system of air-conditioner set provided by the invention, and the air-conditioner set also includes being used to examine
Survey the fresh air temperature sensor 701 of new air temperature, the air-out flow for the air mass flow at detection air port at fresh inlet
Sensor（Not shown in figure）, for distinguish new wind pressure at detection air port, temperature and humidity air-out pressure sensor
（Not shown in figure）, leaving air temp sensor 702 and air-out humidity sensor（Not shown in figure）And smoke detector
709th, for detecting the cabin temperature sensor 707 and cabin humidity sensor 708 of cabin air temperature and humidity respectively.On
State air-out flow sensor, air-out pressure sensor, leaving air temp sensor and air-out humidity sensor, smoke detector, machine
Cabin temperature sensor and cabin humidity sensor are connected by sensor data acquisition system 72 with controller 71 respectively.Each system
The condenser of chill block is provided with a condensing pressure sensor for being used to detect condensing pressure, i.e. the first modular refrigeration mould
Block is provided with the first condensing pressure sensor 703, and the second refrigeration module is provided with the second condensing pressure sensor 704, the 3rd system
Chill block is provided with the 3rd condensing pressure sensor 705, and the 4th refrigeration module is provided with the 4th condensing pressure sensor 706, respectively
Individual condensing pressure sensor is connected with controller respectively.
The air-conditioner set also includes display 73 and external input device 74, and the outside conveying equipment can be remote control
Or the button on air-conditioning box is arranged at, the display and external input device are connected with controller respectively.It can also use and touch
Touch screen and substitute aforementioned display device and external input device.
Referring to Fig. 5, being directed to above-mentioned modularization aircraft floor air conditioner group, the present invention also provides corresponding control method,
The control method comprises the following steps：
S100, the controller of the air-conditioner set receive start-up command, control high pressure positive blower to open respectively, control display is opened
Open；
S200, the controller receive import the fresh air temperature upper limit T1 and lower limit T2 of user's input, the first refrigeration module opens
Move new air temperature TNew 1, the second refrigeration module start new air temperature TNew 2, the 3rd refrigeration module start new air temperature TNew 3, the 4th refrigeration
Module starts new air temperature TNew 4, fire prevention leaving air temp setting value T3, leaving air temp adjust it is cold in precision △ T, each refrigeration module
Solidifying pressure set points PIfWith condensing pressure return difference value PReturn。
S300, the controller receive the operational mode that user selectes；When selected operational mode is automatic mode, hold
Row step S410；When selected operational mode be refrigeration mode, execution step S420；When selected operational mode is heating mould
Formula, perform step S430；When selected operational mode be heating mode, execution step S440；
S410, the controller automatic control air conditioner unit operation are in refrigeration mode, heating mode or air vent mode；
S420, the controller automatically control the first refrigeration module, the second refrigeration module, the 3rd refrigeration module and the 4th refrigeration mould
The running status of block；
S430, the controller automatic controlled electric heater running status；
S440, the controller control each refrigeration module to be in stopped status.
Also include step S500 in practical application after S410, S420, S430 and S440：Controller receives halt instruction,
Instruction control high pressure positive blower, axial flow blower, electric heater, the compressor of each refrigeration module and display is sent respectively to close
Machine.
User can carry out data input by the button on remote control or air-conditioning box or touch-screen, and air-conditioning is every time after start
Every setting value in step S200 when once being run before being defaulted as, until user changes setting value again.
Condensing pressure P in above-mentioned each refrigeration moduleIfWith condensing pressure return difference value PReturnIt can be set according to actual conditions
For different value.
Further, step S410 is specifically included, and the controller receives the reality from fresh air temperature sensor feedback
New air temperature TNewlyAnd made comparisons with T1 and T2, if TNewly＞ T1, perform step S420；If TNewly＜ T2, perform step S430；Such as
Fruit T2 ＜ TNewly＜ T1, perform step S440.
Further, step S420 is specifically included, the actual new air temperature T that the controller receivesNewly, and and TNew 1 、
TNew 2、TNew 3And TNew 4Make comparisons, if TNewly≥TNew 1, control the first refrigeration module operation, if TNewly＜ TNew 1, the refrigeration mould of control first
Block is shut down；If TNewly≥TNew 2, control the second refrigeration module operation, if TNewly＜ TNew 2, control the second refrigeration module shutdown；TNewly≥
TNew 3, control the 3rd refrigeration module operation, if TNewly＜ TNew 3, control the 3rd refrigeration module shutdown；TNewly≥TNew 4, the refrigeration of control the 4th
Module is run, if TNewly＜ TNew 4, control the 4th refrigeration module shutdown；Above-mentioned TNew 1＜ TNew 2＜ TNew 3＜ TNew 4。
Further, step S430 is specifically included, and the controller receives actually going out for leaving air temp sensor feedback
Air temperature T4 simultaneously makes comparisons with T3 and △ T, if T4 ＞（T3+ △ T）, the adjuster unloading operation of control electric heater capacity, drop
Low electric heater heating amount；If T4 ＜（T3-△T）；Electric heater capacity adjuster load operating is controlled, improves electric heater
Caloric value；If（T3-△T）≤T4（T3+ △ T）, control electric heater capacity adjuster to be both not loaded with or do not unload.
Further, above-mentioned steps S410, S420, S430 and S440 includes the control method to axial flow blower, specifically
For the controller receives the actual condensing pressure P of the condensing pressure sensor feedback from each refrigeration moduleIt is realAnd with it is corresponding
Each refrigeration module PIfAnd PReturnCompare；When each refrigeration module is in stopped status, each axial flow blower is controlled
Shut down；When at least one refrigeration module is in running status, and the actual condensing pressure of the refrigeration module of each operation
P is satisfied by with the condensing pressure of settingIt is real≥PIf, control each axial flow blower to open；When at least one refrigeration module is in fortune
During row state, and the actual condensing pressure of one of refrigeration module and the condensing pressure of setting are satisfied by PIt is real＜ PReturn, control is respectively
Individual axial flow blower is shut down.
Further, above-mentioned steps S410, S420, S430 and S440 includes the control method to electric fire-damper, tool
Body is that the controller receives the actual leaving air temp T4 from leaving air temp sensor feedback and made comparisons with T3, if
T4 is less than T3, then controls each electric fire-damper to open；If T4 >=3, each electric fire-damper is controlled to close.
In summary, modularization aircraft floor air conditioner group provided by the invention is not only installed simply, and by being arranged at
The axial flow blower of air-conditioning box and fresh inlet opposite side carries out air draft, avoids after being discharged with the hot blast after condenser heat exchange
Fresh inlet is again introduced into, avoids energy consumption caused by repetition cooling hot blast, while ensure that the refrigerating capacity of the air-conditioner set.It is logical
Cross and abreast set each condenser along the side wall of air-conditioning box respectively so that air-conditioning unit structure is compacter, improves simultaneously
The heat transfer effect of condenser.By the way that each refrigeration module is arranged into same size, the dismounting of each refrigeration module is facilitated,
Improve the interchangeability of each refrigeration module.A kind of in addition, control of modularization aircraft floor air conditioner group provided by the invention
Method, realize and the refrigeration of modularization aircraft floor air conditioner group or heating and ventilation are automatically adjusted, realize pair
The running status of each refrigeration module is automatically controlled.
It is understood that for those of ordinary skills, can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (6)
1. a kind of control method of modularization aircraft floor air conditioner group, it is characterised in that the control method includes following step
Suddenly：
S100, the controller of the air-conditioner set receive start-up command, control high pressure positive blower to open respectively, control display is opened
Open；
S200, the controller receive import the fresh air temperature upper limit T1 and lower limit T2 of user's input, the first refrigeration module opens
Move new air temperature TNew 1, the second refrigeration module start new air temperature TNew 2, the 3rd refrigeration module start new air temperature TNew 3, the 4th refrigeration
Module starts new air temperature TNew 4, fire prevention leaving air temp setting value T3, leaving air temp adjust it is cold in precision △ T, each refrigeration module
Solidifying pressure set points PIfWith condensing pressure return difference value PReturn；
S300, the controller receive the operational mode that user selectes；When selected operational mode is automatic mode, step is performed
Rapid S410；When selected operational mode be refrigeration mode, execution step S420；When selected operational mode is heating mode, hold
Row step S430；When selected operational mode be heating mode, execution step S440；
S410, the controller automatic control air conditioner unit operation are in refrigeration mode, heating mode or air vent mode；
S420, the controller automatically control the first refrigeration module, the second refrigeration module, the 3rd refrigeration module and the 4th refrigeration mould
The running status of block；
S430, the controller automatic controlled electric heater running status；
S440, the controller control each refrigeration module to be in stopped status.
2. the control method of modularization aircraft floor air conditioner group according to claim 1, it is characterised in that step S410
Specifically include, the controller receives the actual new air temperature T from fresh air temperature sensor feedbackNewlyAnd make ratio with T1 and T2
Compared with if TNewly＞ T1, perform step S420；If TNewly＜ T2, perform step S430；If T2 ＜ TNewly＜ T1, perform step
S440。
3. the control method of modularization aircraft floor air conditioner group according to claim 1, it is characterised in that step S420
Specifically include, the actual new air temperature T that the controller receivesNewly, and and TNew 1 、TNew 2、TNew 3And TNew 4Make comparisons, if TNewly≥
TNew 1, control the first refrigeration module operation, if TNewly＜ TNew 1, control the first refrigeration module shutdown；If TNewly≥TNew 2, control second
Refrigeration module is run, if TNewly＜ TNew 2, control the second refrigeration module shutdown；TNewly≥TNew 3, control the 3rd refrigeration module operation, such as
Fruit TNewly＜ TNew 3, control the 3rd refrigeration module shutdown；TNewly≥TNew 4, control the 4th refrigeration module operation, if TNewly＜ TNew 4, control the
Four refrigeration modules are shut down；Above-mentioned TNew 1＜ TNew 2＜ TNew 3＜ TNew 4。
4. the control method of modularization aircraft floor air conditioner group according to claim 1, it is characterised in that step S430
Specifically including, the controller receives the actual leaving air temp T4 of leaving air temp sensor feedback and made comparisons with T3 and △ T,
If T4 ＞（T3+ △ T）, the adjuster unloading operation of control electric heater capacity, reduce electric heater heating amount；If T4 ＜
（T3-△T）；Electric heater capacity adjuster load operating is controlled, improves electric heater heating amount；If（T3-△T）≤T4
（T3+ △ T）, control electric heater capacity adjuster to be both not loaded with or do not unload.
5. the control method of modularization aircraft floor air conditioner group according to claim 1, it is characterised in that the step
S410, S420, S430 and S440 include the control method to axial flow blower, the controlling party of the control method of the axial flow blower
Method is：The controller receives the actual condensing pressure P of the condensing pressure sensor feedback from each refrigeration moduleIt is realAnd with it is right
The P for each refrigeration module answeredIfAnd PReturnCompare；When each refrigeration module is in stopped status, each axle stream wind is controlled
Machine is shut down；When at least one refrigeration module is in running status, and the actual condensation pressure of the refrigeration module of each operation
Power and the condensing pressure of setting are satisfied by PIt is real≥PIf, control each axial flow blower to open；When at least one refrigeration module is in
During running status, and the actual condensing pressure of one of refrigeration module and the condensing pressure of setting are satisfied by PIt is real＜ PReturn, control
Each axial flow blower is shut down.
6. the control method of modularization aircraft floor air conditioner group according to claim 1, it is characterised in that the step
S410, S420, S430 and S440 include the control method to electric fire-damper, and the control method of the electric fire-damper is：
The controller receives the actual leaving air temp T4 from leaving air temp sensor feedback and made comparisons with T3, if T4 is less than
T3, then each electric fire-damper is controlled to open；If T4 >=3, each electric fire-damper is controlled to close.
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Application publication date: 20171201 |