CN104566808B - Air conditioning control method and device - Google Patents
Air conditioning control method and device Download PDFInfo
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- CN104566808B CN104566808B CN201410822800.1A CN201410822800A CN104566808B CN 104566808 B CN104566808 B CN 104566808B CN 201410822800 A CN201410822800 A CN 201410822800A CN 104566808 B CN104566808 B CN 104566808B
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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
- 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
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Abstract
The invention discloses a kind of air conditioning control method and device.Wherein, the air conditioning control method includes：The demand air quantity of air quantity variable end device is obtained, and determines according to the demand air quantity of air quantity variable end device the inleakage of air conditioning duct system；And/or, obtain the rotating speed correction value of user's input；Controlled itself to correct the air output of air-conditioning according to the inleakage of the air conditioning duct system of determination, the rotating speed correction value inputted according to the user of acquisition is controlled itself to correct the air output of air-conditioning, and the rotating speed correction value inputted according to the inleakage of the air conditioning duct system of determination and the user obtained is controlled itself to correct the air output of air-conditioning and blown according to corresponding revised air output control air-conditioning to air quantity variable end device.By the present invention, the problem of airconditioning control stability of a system is low in correlation technique is solved.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air conditioning control method and device.
Background technology
Air conditioning system with variable is one kind in all-air air conditioning system, and it has been developed with the power conservation requirement of air-conditioning
The new technology come.Wherein, the control method of air conditioning system with variable can include：Total air volume control method, constant static-pressure control
Method processed and Static pressure reset control method.
In the related art, the general principle of total air volume control method is：(that is, variable air rate is empty for air quantity variable end device
Adjusting system, Variable Air Volume System, referred to as VAV) actual temperature according to residing for itself in room and set
Constant temperature degree automatically adjusts, and calculates the demand air quantity in this room；Each VAV feeds back to the demand air quantity in itself residing room
Combined air processing group (Air handling unit, referred to as AHU)；There is provided required total need for AHU converting operations
Seek air quantity.
However, because in the technical scheme of above-mentioned total air volume control method in the related art, demand air quantity is by each
Individual air quantity variable end device feedback, and in actual applications, often there is air-line system leaks out, this part inleakage is not
AHU is fed back to, causes air output to be mismatched with aggregate demand air quantity, have impact on the stability of system.Further, since air-line system
Middle pipeline is uneven, further increases the unstability of system.
For the problem of the airconditioning control stability of a system is low in correlation technique, effective solution is not yet proposed at present.
The content of the invention
It is a primary object of the present invention to provide a kind of air conditioning control method and device, to solve the hollow regulation and control of correlation technique
The problem of system processed is unstable.
To achieve these goals, according to an aspect of the invention, there is provided a kind of air conditioning control method.This method bag
Include：The demand air quantity of air quantity variable end device is obtained, and air-conditioner wind is determined according to the demand air quantity of above-mentioned air quantity variable end device
The inleakage of guard system；And/or, obtain the rotating speed correction value of user's input；It is determined that the inleakage of above-mentioned air conditioning duct system
When, controlled itself to correct the air output of air-conditioning according to the inleakage of the above-mentioned air conditioning duct system of determination, obtain revised the
One air output, when obtaining the above-mentioned rotating speed correction value of above-mentioned user's input, above-mentioned turn inputted according to the above-mentioned user of acquisition
Fast correction value controls itself to correct the air output of air-conditioning, revised second air output is obtained, it is determined that above-mentioned air-conditioner wind piping
When the inleakage of system and the above-mentioned rotating speed correction value of the above-mentioned user's input of acquisition, according to the leakage of the above-mentioned air conditioning duct system of determination
Air quantity and the above-mentioned rotating speed correction value of the above-mentioned user input obtained control itself to correct the air output of air-conditioning, obtain revised
3rd air output；And blown according to corresponding revised air output control air-conditioning to above-mentioned air quantity variable end device.
Further, above-mentioned air quantity variable end device includes one or more, according to above-mentioned air quantity variable end device
Demand air quantity determines that the inleakage of air conditioning duct system includes：Obtain the nominal air delivery of whole air-conditioning system, above-mentioned nominal air delivery
Demand air quantity sum comprising each above-mentioned air quantity variable end device in one or more above-mentioned air quantity variable end device and upper
State the inleakage of air conditioning duct system；And calculate the demand air quantity of above-mentioned nominal air delivery and each above-mentioned air quantity variable end device
The difference of sum, and using above-mentioned difference as above-mentioned air conditioning duct system inleakage.
Further, it is determined that the above-mentioned rotating speed that the inleakage of above-mentioned air conditioning duct system and the above-mentioned user of acquisition input is repaiied
On the occasion of when, according to the inleakage of the above-mentioned air conditioning duct system of determination and obtain above-mentioned user input above-mentioned rotating speed correction value
The air output of itself amendment air-conditioning is controlled, obtaining revised 3rd air output includes：According to the leakage of above-mentioned air conditioning duct system
Air quantity and the above-mentioned rotating speed correction value of above-mentioned user input calculate the compensating rotational speed of air-conditioning draught fan；According to above-mentioned compensating rotational speed amendment
The rotating speed of target of above-mentioned air-conditioning draught fan, obtains revised rotating speed of target；And determined according to above-mentioned revised rotating speed of target
Above-mentioned revised 3rd air output.
Further, the compensating rotational speed of above-mentioned air-conditioning draught fan is calculated according to below equation：Nx=f (Gx)+K, wherein, Nx tables
Show the compensating rotational speed of above-mentioned air-conditioning draught fan, Gx represents the inleakage of above-mentioned air conditioning duct system, and K represents the upper of above-mentioned user's input
State rotating speed correction value；Revised rotating speed of target is calculated according to below equation：Wherein, Ns
The revised rotating speed of target of above-mentioned air-conditioning draught fan is represented, λ represents correction factor, and Gs represents the total of above-mentioned air quantity variable end device
Demand air quantity, Gd represents the maximum quantity of wind of above-mentioned air-conditioning draught fan, and Nd represents the maximum (top) speed of above-mentioned air-conditioning draught fan.
Further, air-conditioning is being controlled to blow it to above-mentioned air quantity variable end device according to corresponding revised air output
Afterwards, above-mentioned control method also includes：Judge whether above-mentioned revised air output meets the demand of above-mentioned air quantity variable end device
Air quantity；And if it is judged that above-mentioned revised air output meets the demand air quantity of above-mentioned air quantity variable end device, then control
Above-mentioned air quantity variable end device keeps current ventilation state.
To achieve these goals, there is provided a kind of air conditioning control device according to another aspect of the present invention.The device bag
Include：First acquisition unit, the demand air quantity for obtaining air quantity variable end device, determining unit, for according to above-mentioned variable air rate
The demand air quantity of end equipment determines the inleakage of air conditioning duct system；And/or, second acquisition unit is defeated for obtaining user
The rotating speed correction value entered；Amending unit, for it is determined that above-mentioned air conditioning duct system inleakage when, according to the above-mentioned sky of determination
Adjust the inleakage of air-line system to control itself to correct the air output of air-conditioning, obtain revised first air output, it is above-mentioned obtaining
During the above-mentioned rotating speed correction value of user's input, control itself to correct according to the above-mentioned rotating speed correction value that the above-mentioned user of acquisition inputs
The air output of air-conditioning, obtains revised second air output, it is determined that above-mentioned air conditioning duct system inleakage and obtain it is above-mentioned
During the above-mentioned rotating speed correction value of user's input, according to the inleakage of the above-mentioned air conditioning duct system of determination and the above-mentioned user obtained
The above-mentioned rotating speed correction value of input controls itself to correct the air output of air-conditioning, obtains revised 3rd air output；And control
Unit, for being blown according to corresponding revised air output control air-conditioning to above-mentioned air quantity variable end device.
Further, above-mentioned air quantity variable end device includes one or more, and above-mentioned determining unit includes：Obtain mould
Block, the nominal air delivery for obtaining whole air-conditioning system, above-mentioned nominal air delivery includes one or more above-mentioned vav terminal
The demand air quantity sum of the above-mentioned air quantity variable end device of each in device and leaking out for above-mentioned air conditioning duct system；First calculates mould
Block, for calculating above-mentioned nominal air delivery and the difference of the demand air quantity sum of each above-mentioned air quantity variable end device；And first
Determining module, for using above-mentioned difference as above-mentioned air conditioning duct system inleakage.
Further, above-mentioned amending unit includes：Second computing module, for leaking out according to above-mentioned air conditioning duct system
The above-mentioned rotating speed correction value that amount and above-mentioned user input calculates the compensating rotational speed of air-conditioning draught fan；Correcting module, for according to above-mentioned
The rotating speed of target of the above-mentioned air-conditioning draught fan of compensating rotational speed amendment, obtains revised rotating speed of target；And second determining module, it is used for
Above-mentioned revised 3rd air output is determined according to above-mentioned revised rotating speed of target.
Further, above-mentioned second computing module calculates the compensating rotational speed of above-mentioned air-conditioning draught fan according to below equation：Nx=f
(Gx)+K, wherein, Nx represents the compensating rotational speed of above-mentioned air-conditioning draught fan, and Gx represents the inleakage of above-mentioned air conditioning duct system, and K is represented
The above-mentioned rotating speed correction value of above-mentioned user's input；Above-mentioned correcting module calculates revised rotating speed of target according to below equation：Wherein, Ns represents the revised rotating speed of target of above-mentioned air-conditioning draught fan, and λ represents amendment system
Number, Gs represents the aggregate demand air quantity of above-mentioned air quantity variable end device, and Gd represents the maximum quantity of wind of above-mentioned air-conditioning draught fan, and Nd is represented
State the maximum (top) speed of air-conditioning draught fan.
Further, above-mentioned control device also includes：Judging unit, for according to corresponding revised air output control
After air-conditioning processed is blown to above-mentioned air quantity variable end device, judge whether above-mentioned revised air output meets above-mentioned variable air rate end
The demand air quantity of end device；And above-mentioned control unit is additionally operable to judging that above-mentioned revised air output meets above-mentioned change wind
When measuring the demand air quantity of end equipment, above-mentioned air quantity variable end device is controlled to keep current ventilation state.
By the present invention, using the demand air quantity for obtaining air quantity variable end device, and according to the need of air quantity variable end device
Air quantity is asked to determine the inleakage of air conditioning duct system；And/or, obtain the rotating speed correction value of user's input；It is determined that air conditioning wind pipe
During the inleakage of system, controlled itself to correct the air output of air-conditioning according to the inleakage of the air conditioning duct system of determination, repaiied
The first air output after just, when obtaining the rotating speed correction value of user's input, the rotating speed correction value inputted according to the user of acquisition
Control itself amendment air-conditioning air output, obtain revised second air output, it is determined that air conditioning duct system inleakage and
When obtaining the rotating speed correction value of user's input, according to turning that the inleakage of the air conditioning duct system of determination and the user obtained input
Fast correction value controls itself to correct the air output of air-conditioning, obtains revised 3rd air output；And according to corresponding amendment after
Air output control air-conditioning blown to air quantity variable end device, solve that the airconditioning control stability of a system in correlation technique is low to ask
Topic, and then reached the effect for improving air-conditioner control system stability.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of air conditioning control method according to embodiments of the present invention；
Fig. 2 is the schematic diagram of air-conditioner control system according to embodiments of the present invention；And
Fig. 3 is the schematic diagram of air conditioning control device according to embodiments of the present invention.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Accompanying drawing, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that covering is non-exclusive to be included, for example, containing series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include without clear
It is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
There is provided a kind of air conditioning control method for embodiments in accordance with the present invention.The air conditioning control method may operate in meter
In calculation machine processing equipment.
The air conditioning control method includes：Obtain the demand air quantity of air quantity variable end device and according to air quantity variable end device
Demand air quantity determines the inleakage of air conditioning duct system, and/or, obtain the rotating speed correction value of user's input；It is determined that air-conditioner wind
During the inleakage of guard system, controlled itself to correct the air output of air-conditioning according to the inleakage of the air conditioning duct system of determination, obtained
Revised first air output, when obtaining the rotating speed correction value of user's input, the rotating speed amendment inputted according to the user of acquisition
The air output of value control itself amendment air-conditioning, obtains revised second air output, it is determined that the inleakage of air conditioning duct system
And when obtaining the rotating speed correction value of user's input, inputted according to the inleakage of the air conditioning duct system of determination and the user obtained
Rotating speed correction value controls itself to correct the air output of air-conditioning, obtains revised 3rd air output；And according to corresponding amendment
Air output control air-conditioning afterwards is blown to air quantity variable end device.
Namely, in the present invention it is possible to the air output of air-conditioning is modified using 3 kinds of modes, and control air-conditioning according to
Revised air output is blown, wherein, 3 kinds of correcting modes include：Mode 1, the amendment of the inleakage of air conditioning duct system
Mode；Mode 2, the correcting mode of the rotating speed correction value of user's input；Mode 3, the inleakage of air conditioning duct system and user are defeated
The correcting mode that the rotating speed correction value entered is combined, that is, the correcting mode that mode 1 and mode 2 are combined.
For mode 1, the air conditioning control method comprises the following steps：
S2, obtains the demand air quantity of air quantity variable end device；
S4, it is determined that air conditioning duct system inleakage when, air-conditioning is determined according to the demand air quantity of air quantity variable end device
The inleakage of air-line system；
S6, controls itself to correct the air output of air-conditioning according to the inleakage of the air conditioning duct system of determination, obtains after amendment
The first air output；
S8, air quantity variable end device air-supply is controlled according to revised first air output.
It should be noted that air quantity variable end device VAV can include one or more, corresponding room is arranged on
It is interior.For example, as shown in Fig. 2 an AHU can be connected to multiple VAV by the ducting system of air-conditioning, each VAV is connected in parallel on sky
Adjust in control system, wherein, AHU includes fresh wind port, air outlet and return air inlet, and its air outlet is connected to each VAV air intake
Mouthful, its return air inlet is connected to each VAV air-out port.Each VAV can be by the controller of itself by respective demand wind
Amount feeds back to AHU controllers, and AHU controllers pass through logical operation, and output control value realizes the stable operation of whole system.
Specifically, AHU controllers can be connected with VAV controllers by the progress communication of BACnet MS/TP agreements, and
Up after switching, AHU controllers can first read each VAV demand air quantity, then carry out summation operation, obtain aggregate demand wind
Measure, and the inleakage of air conditioning duct system is determined according to aggregate demand air quantity, so that sending according to the inleakage amendment air-conditioning draught fan
Air quantity, now, what is obtained is revised first air output, and controls air-conditioning to variable air rate according to revised first air output
End equipment is blown.
For mode 2, the air conditioning control method comprises the following steps：
S10, obtains the rotating speed correction value of user's input；
S12, when obtaining the rotating speed correction value of user's input, the rotating speed correction value inputted according to the user of acquisition is controlled certainly
The air output of body amendment air-conditioning, obtains revised second air output；
S14, controls air-conditioning to be blown to air quantity variable end device according to revised second air output.
It should be noted that in the rotating speed correction value that user does not input, the default value of rotating speed correction value is 0, and its is initial
Frequency increment is 1Hz, can be converted into corresponding rotating speed.Specifically, user can be by control panel or remote control come defeated
The rotating speed correction value entered, user can select corresponding rotating speed amendment in input speed correction value according to engineering debugging result
Value.
For mode 3, as shown in figure 1, Fig. 1 is the flow chart of air conditioning control method according to embodiments of the present invention, the party
Method includes steps S102 to step S108：
Step S102, obtains the demand air quantity of air quantity variable end device；
Step S104, the inleakage of air conditioning duct system is determined according to the demand air quantity of air quantity variable end device；
Step S106, obtains the rotating speed correction value of user's input；
Step S108, it is determined that air conditioning duct system inleakage and obtain user input rotating speed correction value when, according to
The air-supply that the inleakage of the air conditioning duct system of determination and the rotating speed correction value of the user's input obtained control itself to correct air-conditioning
Amount, obtains revised 3rd air output；
Step S110, controls air-conditioning to be blown to air quantity variable end device according to revised 3rd air output.
It should be noted that for mode 1 and mode 3, the demand air quantity for the air quantity variable end device that AHU is read can
To obtain in the following manner：Each VAV first obtains the actual environment temperature in the room residing for itself by temperature sensor,
And the temperature of this room air of user's setting is obtained, further according to the temperature and actual environment temperature of this room air of setting
The mathematic interpolation demand air quantity of degree, this demand air quantity is the demand air quantity for the VAV that AHU is read.
In aforesaid way, after being blown according to corresponding revised air output control air-conditioning to VAV, VAV is received
Air quantity be demand air quantity, so, VAV can be according to the difference of current air quantity and demand air quantity, and regulation VAV valves are opened
Degree, so that using cas PID control mode so that VAV demand air quantity=room actual demand air quantity.
Further, whether VAV can be equal to room actual demand air quantity with detection demand air quantity, wherein, needed detecting
When seeking air quantity equal to room actual demand air quantity, current demand air quantity is kept to continue to run with；It is not equal in the demand air quantity of detecting
During room actual demand air quantity, VAV is returned and " the actual environment temperature in the room residing for itself is first obtained by temperature sensor
The execution step of degree ", and circulate and perform the step and its corresponding steps afterwards, it will not be repeated here.
By the embodiment of the present invention, due to demand wind that can be by the way of inleakage and/or rotating speed correction value to VAV
Amount is modified, therefore overcomes inleakage and/or the uneven influence to system total blast volume of SR, has reached that raising is empty
Adjust the effect of stability of control system.Further, since user can directly input rotating speed correction value, hence in so that engineering regulation spirit
It is living, it is workable.
Preferably, in embodiments of the present invention, as shown in Fig. 2 air quantity variable end device can include one or more,
The above-mentioned demand air quantity according to air quantity variable end device determines that the inleakage of air conditioning duct system can include：
S14, obtains the nominal air delivery of whole air-conditioning system, and nominal air delivery can include one or more vav terminal
The demand air quantity sum of the air quantity variable end device of each in device and inleakage two parts of air conditioning duct system.
S16, calculates the difference of the demand air quantity sum of nominal air delivery and each air quantity variable end device, and using difference as
The inleakage of air conditioning duct system.
It should be noted that the inleakage of air conditioning duct system can determine that it can be by volume when engineering is initially debugged
Determine air quantity and subtract aggregate demand air quantity to obtain, for example, Gx=Ge-Gs, wherein, Gx represents the inleakage of air conditioning duct system, Ge tables
Show nominal air delivery, Gs represents aggregate demand air quantity.
Preferably, in embodiments of the present invention, mode 3 as the aforementioned, it is determined that air conditioning duct system inleakage and obtain
When taking the rotating speed correction value of family input, the rotating speed inputted according to the inleakage of the air conditioning duct system of determination and the user obtained
Correction value controls itself to correct the air output of air-conditioning, and obtaining revised 3rd air output can include：
S18, the rotating speed correction value inputted according to the inleakage of air conditioning duct system and user calculates the compensation of air-conditioning draught fan
Rotating speed；
S20, according to the rotating speed of target of compensating rotational speed amendment air-conditioning draught fan, obtains revised rotating speed of target；And
S22, revised 3rd air output is determined according to revised rotating speed of target.
By the embodiment of the present invention, by correcting the rotating speed of target of air-conditioning draught fan, so as to adjust the rotating speed of air-conditioning draught fan, make
The demand air quantity for obtaining the air output and each VAV of air-conditioning draught fan matches, and then causes air-conditioning system to be easier to reach stable.
For example, the compensating rotational speed of air-conditioning draught fan can be calculated according to below equation：Nx=f (Gx)+K, wherein, Nx represents empty
The compensating rotational speed of blower fan is adjusted, its unit is r/min, and Gx represents the inleakage of air conditioning duct system, and K represents the rotating speed of user's input
Correction value, when user does not input K, the unit that K default value is 0, K is r/min.
Also, for example, revised rotating speed of target can be calculated according to below equation：
Wherein, Ns represents the revised rotating speed of target of air-conditioning draught fan, and λ represents correction factor, and Gs represents the total of air quantity variable end device
Demand air quantity, Gd represents the maximum quantity of wind of air-conditioning draught fan, and Gs, Gd unit are m/h3, Nd represent air-conditioning draught fan maximum turn
Speed, Nx represents the compensating rotational speed of air-conditioning draught fan, and its unit is r/min.
It should be noted that before revised rotating speed of target is calculated, the rotation frequency of blower fan can also be first calculated by AHU
Rate, referring again to the bound frequency values of convertible frequency air-conditioner, then calculates revised rotating speed of target again.
By the embodiment of the present invention, the rotating speed of air-conditioning draught fan is carried out as a result of the inleakage Gx of air conditioning duct system
Compensation so that airconditioning control is more stablized；Further, since the rotating speed correction value of user's input is employed, also, user can
Adjust the size of the rotating speed correction value manually by control panel, reached that user can repair according to the debugging result of Practical Project
The air output of positive air-conditioning so that control has more flexibility and operability.
Preferably, in embodiments of the present invention, air-conditioning is being controlled to variable air rate end according to corresponding revised air output
After end device air-supply, the control method can also include：
S24, judges whether revised air output meets the demand air quantity of air quantity variable end device；And
S26, if it is judged that revised air output meets the demand air quantity of air quantity variable end device, then controls variable air rate
End equipment keeps current ventilation state.
Wherein, if it is judged that revised air output is unsatisfactory for the demand air quantity of air quantity variable end device, then before returning
At the step S102 or S10 or S2 stated, and circulate execution these steps and its afterwards the step of, will not be repeated here.
By the embodiment of the present invention, due to can be in the process of running constantly judge whether revised air output full
The demand air quantity of sufficient air quantity variable end device, and judging that revised air output meets the demand wind of air quantity variable end device
During amount, control air quantity variable end device keeps current ventilation state, therefore has reached real-time adjustment air quantity variable end device
The effect of demand air quantity.
It should be noted that can be in such as one group computer executable instructions the step of the flow of accompanying drawing is illustrated
Performed in computer system, and, although logical order is shown in flow charts, but in some cases, can be with not
The order being same as herein performs shown or described step.
There is provided a kind of air conditioning control device for embodiments in accordance with the present invention.It should be noted that institute of the embodiment of the present invention
The air conditioning control method of offer can be performed by the air conditioning control device of the embodiment of the present invention, the air-conditioning of the embodiment of the present invention
Control device can be used for performing the air conditioning control method of the embodiment of the present invention.
The air conditioning control device includes：First acquisition unit, the demand air quantity for obtaining air quantity variable end device, it is determined that
Unit, the inleakage for determining air conditioning duct system according to the demand air quantity of air quantity variable end device, and/or, second obtains
Unit, the rotating speed correction value for obtaining user's input；Amending unit, for it is determined that air conditioning duct system inleakage when,
Controlled itself to correct the air output of air-conditioning according to the inleakage of the air conditioning duct system of determination, obtain revised first air-supply
Amount, when obtaining the rotating speed correction value of user's input, the rotating speed correction value inputted according to the user of acquisition controls itself amendment empty
The air output of tune, obtains revised second air output, it is determined that air conditioning duct system inleakage and obtain user input
During rotating speed correction value, controlled certainly according to the rotating speed correction value that the inleakage of the air conditioning duct system of determination and the user obtained input
The air output of body amendment air-conditioning, obtains revised 3rd air output；And control unit, for according to corresponding revised
Air output control air-conditioning is blown to air quantity variable end device.
That is, in the present invention, the air conditioning control device includes：Mode 4, first acquisition unit, determining unit, amendment are single
Member and control unit；Mode 5, second acquisition unit, amending unit and control unit；Mode 6, first acquisition unit, determination are single
Member, second acquisition unit, amending unit and control unit.
For mode 4, the air conditioning control device：First acquisition unit is used for the demand wind for obtaining air quantity variable end device
Amount；Determining unit is used for the inleakage that air conditioning duct system is determined according to the demand air quantity of air quantity variable end device；Amending unit
For it is determined that air conditioning duct system inleakage when, control itself amendment empty according to the inleakage of the air conditioning duct system of determination
The air output of tune, obtains revised first air output；Control unit is used to become wind according to the control of revised first air output
Measure end equipment air-supply.
It should be noted that air quantity variable end device VAV can include one or more, corresponding room is arranged on
It is interior.For example, as shown in Fig. 2 an AHU can be connected to multiple VAV by the ducting system of air-conditioning, each VAV is connected in parallel on sky
Adjust in control system, wherein, AHU includes fresh wind port, air outlet and return air inlet, and its air outlet is connected to each VAV air intake
Mouthful, its return air inlet is connected to each VAV air-out port.Each VAV can be by the controller of itself by respective demand wind
Amount feeds back to AHU controllers, and AHU controllers pass through logical operation, and output control value realizes the stable operation of whole system.
Specifically, AHU controllers can be connected with VAV controllers by the progress communication of BACnet MS/TP agreements, and
Up after switching, AHU controllers can first read each VAV demand air quantity, then carry out summation operation, obtain aggregate demand wind
Measure, and the inleakage of air conditioning duct system is determined according to aggregate demand air quantity, so that sending according to the inleakage amendment air-conditioning draught fan
Air quantity, now, what is obtained is revised first air output, and controls air-conditioning to variable air rate according to revised first air output
End equipment is blown.
For mode 5, the air conditioning control device：Second acquisition unit is used for the rotating speed correction value for obtaining user's input；Repair
Positive unit is used to, when obtaining the rotating speed correction value of user's input, itself is controlled according to the rotating speed correction value that the user of acquisition inputs
The air output of air-conditioning is corrected, revised second air output is obtained；Control unit is used for according to revised second air output control
Air-conditioning processed is blown to air quantity variable end device.
It should be noted that in the rotating speed correction value that user does not input, the default value of rotating speed correction value is 0, and its is initial
Frequency increment is 1Hz, can be converted into corresponding rotating speed.Specifically, user can be by control panel or remote control come defeated
The rotating speed correction value entered, user can select corresponding rotating speed amendment in input speed correction value according to engineering debugging result
Value.
For mode 6, as shown in figure 3, Fig. 3 is the schematic diagram of air conditioning control device according to embodiments of the present invention.The dress
Put including：First acquisition unit 10, determining unit 20, second acquisition unit 30, amending unit 40 and control unit 50.
First acquisition unit 10 is used for the demand air quantity for obtaining air quantity variable end device；Determining unit 20 is used for according to change wind
The demand air quantity of amount end equipment determines the inleakage of air conditioning duct system；Second acquisition unit 30 is used to obtain user's input
Rotating speed correction value；Amending unit 40 is used for it is determined that the inleakage and the rotating speed correction value of acquisition user's input of air conditioning duct system
When, the rotating speed correction value inputted according to the inleakage of the air conditioning duct system of determination and the user obtained controls itself to correct air-conditioning
Air output, obtain revised 3rd air output；And control unit 50 is used for according to corresponding revised air output control
Air-conditioning processed is blown to air quantity variable end device.
It should be noted that for mode 4 and mode 6, the demand air quantity for the air quantity variable end device that AHU is read can
To obtain in the following manner：Each VAV first obtains the actual environment temperature in the room residing for itself by temperature sensor,
And the temperature of this room air of user's setting is obtained, further according to the temperature and actual environment temperature of this room air of setting
The mathematic interpolation demand air quantity of degree, this demand air quantity is the demand air quantity for the VAV that AHU is read.
In aforesaid way, after being blown according to corresponding revised air output control air-conditioning to VAV, VAV is received
Air quantity be demand air quantity, so, VAV can be according to the difference of current air quantity and demand air quantity, and regulation VAV valves are opened
Degree, so that using cas PID control mode so that VAV demand air quantity=room actual demand air quantity.
Further, whether VAV can be equal to room actual demand air quantity with detection demand air quantity, wherein, needed detecting
When seeking air quantity equal to room actual demand air quantity, current demand air quantity is kept to continue to run with；It is not equal in the demand air quantity of detecting
During room actual demand air quantity, VAV is returned and " the actual environment temperature in the room residing for itself is first obtained by temperature sensor
The execution step of degree ", and circulate and perform the step and its corresponding steps afterwards, it will not be repeated here.
By the embodiment of the present invention, due to demand wind that can be by the way of inleakage and/or rotating speed correction value to VAV
Amount is modified, therefore overcomes inleakage and/or the uneven influence to system total blast volume of SR, has reached that raising is empty
Adjust the effect of stability of control system.Further, since user can directly input rotating speed correction value, hence in so that engineering regulation spirit
It is living, it is workable.
Preferably, in embodiments of the present invention, as shown in Fig. 2 air quantity variable end device includes one or more, it is determined that
Unit can include：Acquisition module, the first computing module and the first determining module.
Acquisition module is used for the nominal air delivery for obtaining whole air-conditioning system, and nominal air delivery includes one or more variable air rate
The demand air quantity sum and the inleakage of air conditioning duct system of the air quantity variable end device of each in end equipment；First computing module
For calculating nominal air delivery and the difference of the demand air quantity sum of each air quantity variable end device；And first determining module be used for
Using difference as air conditioning duct system inleakage.
It should be noted that the inleakage of air conditioning duct system can determine that it can be by volume when engineering is initially debugged
Determine air quantity and subtract aggregate demand air quantity to obtain, for example, Gx=Ge-Gs, wherein, Gx represents the inleakage of air conditioning duct system, Ge tables
Show nominal air delivery, Gs represents aggregate demand air quantity.
Preferably, in embodiments of the present invention, mode 6 as the aforementioned, the amending unit can include：Second calculates mould
Block, correcting module and the second determining module.Second computing module is used to be inputted according to the inleakage of air conditioning duct system and user
Rotating speed correction value calculate air-conditioning draught fan compensating rotational speed；Correcting module is used for the target according to compensating rotational speed amendment air-conditioning draught fan
Rotating speed, obtains revised rotating speed of target；And second determining module be used for according to revised rotating speed of target determine amendment after
The 3rd air output.
By the embodiment of the present invention, by correcting the rotating speed of target of air-conditioning draught fan, so as to adjust the rotating speed of air-conditioning draught fan, make
The demand air quantity for obtaining the air output and each VAV of air-conditioning draught fan matches, and then causes air-conditioning system to be easier to reach stable.
For example, the second computing module can calculate the compensating rotational speed of air-conditioning draught fan according to below equation：Nx=f (Gx)+K,
Wherein, Nx represents the compensating rotational speed of air-conditioning draught fan, and Gx represents the inleakage of air conditioning duct system, and K represents the rotating speed of user's input
Correction value, when user does not input K, the unit that K default value is 0, K is r/min.
Correcting module can calculate revised rotating speed of target according to below equation：
Wherein, Ns represents the revised rotating speed of target of air-conditioning draught fan, and λ represents correction factor, and Gs represents the total of air quantity variable end device
Demand air quantity, Gd represents the maximum quantity of wind of air-conditioning draught fan, and Gs, Gd unit are m/h3, Nd represent air-conditioning draught fan maximum turn
Speed, Nx represents the compensating rotational speed of air-conditioning draught fan, and its unit is r/min.
It should be noted that before revised rotating speed of target is calculated, the rotation frequency of blower fan can also be first calculated by AHU
Rate, referring again to the bound frequency values of convertible frequency air-conditioner, then calculates revised rotating speed of target again.
By the embodiment of the present invention, the rotating speed of air-conditioning draught fan is carried out as a result of the inleakage Gx of air conditioning duct system
Compensation so that airconditioning control is more stablized；Further, since the rotating speed correction value of user's input is employed, also, user can
Adjust the size of the rotating speed correction value manually by control panel, reached that user can repair according to the debugging result of Practical Project
The air output of positive air-conditioning so that control has more flexibility and operability.
Preferably, in embodiments of the present invention, the control device can also include：Judging unit.Judging unit is used for
After being blown according to corresponding revised air output control air-conditioning to air quantity variable end device, judge that revised air output is
The no demand air quantity for meeting air quantity variable end device；And control unit is additionally operable to judging revised air output satisfaction change
During the demand air quantity of air quantity end equipment, control air quantity variable end device keeps current ventilation state.
Wherein, if it is judged that revised air output is unsatisfactory for the demand air quantity of air quantity variable end device, then before returning
At the functional units such as the first acquisition unit or second acquisition unit or first acquisition unit and second acquisition unit stated, and follow
Ring performs the function of these functional units and its functional unit afterwards, will not be repeated here.
By the embodiment of the present invention, due to can be in the process of running constantly judge whether revised air output full
The demand air quantity of sufficient air quantity variable end device, and judging that revised air output meets the demand wind of air quantity variable end device
During amount, control air quantity variable end device keeps current ventilation state, therefore has reached real-time adjustment air quantity variable end device
The effect of demand air quantity.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step single integrated circuit module is fabricated to realize.So, the present invention is not restricted to any specific
Hardware and software is combined.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
1. a kind of air conditioning control method, it is characterised in that including：
The demand air quantity of air quantity variable end device is obtained, and air-conditioner wind is determined according to the demand air quantity of the air quantity variable end device
The inleakage of guard system；And/or, obtain the rotating speed correction value of user's input；
It is determined that the air conditioning duct system inleakage when, according to the inleakage of the air conditioning duct system of determination control from
The air output of body amendment air-conditioning, obtains revised first air output, is obtaining the rotating speed correction value of user's input
When, the rotating speed correction value inputted according to the user of acquisition controls itself to correct the air output of air-conditioning, obtains after amendment
The second air output, it is determined that the air conditioning duct system inleakage and obtain the rotating speed correction value of user input
When, controlled according to the rotating speed correction value that the inleakage of the air conditioning duct system of determination and the user obtained input
The air output of itself amendment air-conditioning, obtains revised 3rd air output；And
Blown according to corresponding revised air output control air-conditioning to the air quantity variable end device；
Wherein, the air quantity variable end device includes one or more, according to the demand air quantity of the air quantity variable end device
Determining the inleakage of air conditioning duct system includes：
The nominal air delivery of whole air-conditioning system is obtained, the nominal air delivery includes one or more described air quantity variable end device
In each air quantity variable end device demand air quantity sum and the inleakage of the air conditioning duct system；And
Calculate the difference of the demand air quantity sum of the nominal air delivery and each air quantity variable end device, and by the difference
It is used as the inleakage of the air conditioning duct system.
2. air conditioning control method according to claim 1, it is characterised in that it is determined that the air conditioning duct system leaks out
When measuring and obtaining the rotating speed correction value of user input, according to the inleakage of the air conditioning duct system of determination and obtain
The rotating speed correction value of the user input taken controls itself to correct the air output of air-conditioning, obtains revised 3rd air-supply
Amount includes：
The rotating speed correction value inputted according to the inleakage of the air conditioning duct system and user calculates the compensation of air-conditioning draught fan
Rotating speed；
The rotating speed of target of air-conditioning draught fan, obtains revised rotating speed of target according to the compensating rotational speed amendment；And
Revised 3rd air output is determined according to the revised rotating speed of target.
3. air conditioning control method according to claim 2, it is characterised in that
The compensating rotational speed of the air-conditioning draught fan is calculated according to below equation：Nx=f (Gx)+K, wherein, Nx represents the air-conditioner wind
The compensating rotational speed of machine, Gx represents the inleakage of the air conditioning duct system, and K represents the rotating speed amendment of user's input
Value；
Revised rotating speed of target is calculated according to below equation：Wherein, Ns represents the sky
The revised rotating speed of target of blower fan is adjusted, λ represents correction factor, and Gs represents the aggregate demand air quantity of the air quantity variable end device,
Gd represents the maximum quantity of wind of the air-conditioning draught fan, and Nd represents the maximum (top) speed of the air-conditioning draught fan.
4. air conditioning control method according to claim 1, it is characterised in that according to corresponding revised air output control
After air-conditioning processed is blown to the air quantity variable end device, the control method also includes：
Judge whether the revised air output meets the demand air quantity of the air quantity variable end device；And
If it is judged that the revised air output meets the demand air quantity of the air quantity variable end device, then the change is controlled
Air quantity end equipment keeps current ventilation state.
5. a kind of air conditioning control device, it is characterised in that including：
First acquisition unit, the demand air quantity for obtaining air quantity variable end device, determining unit, for according to the variable air rate
The demand air quantity of end equipment determines the inleakage of air conditioning duct system；And/or, second acquisition unit is defeated for obtaining user
The rotating speed correction value entered；
Amending unit, for it is determined that the air conditioning duct system inleakage when, according to the air conditioning duct system of determination
Inleakage control itself to correct the air output of air-conditioning, obtain revised first air output, obtaining user input
During the rotating speed correction value, the rotating speed correction value inputted according to the user of acquisition controls itself to correct the air-supply of air-conditioning
Amount, obtains revised second air output, it is determined that the air conditioning duct system inleakage and obtain user input
During the rotating speed correction value, according to the inleakage of the air conditioning duct system of determination and the user obtained input
Rotating speed correction value controls itself to correct the air output of air-conditioning, obtains revised 3rd air output；And
Control unit, for being blown according to corresponding revised air output control air-conditioning to the air quantity variable end device；
Wherein, the air quantity variable end device includes one or more, and the determining unit includes：
Acquisition module, the nominal air delivery for obtaining whole air-conditioning system, the nominal air delivery is comprising described in one or more
The demand air quantity sum of the air quantity variable end device of each in air quantity variable end device and leaking out for the air conditioning duct system
Amount；
First computing module, for calculating the nominal air delivery and the demand air quantity sum of each air quantity variable end device
Difference；And
First determining module, for using the difference as the air conditioning duct system inleakage.
6. air conditioning control device according to claim 5, it is characterised in that the amending unit includes：
Second computing module, based on the rotating speed correction value that the inleakage according to the air conditioning duct system and user input
Calculate the compensating rotational speed of air-conditioning draught fan；
Correcting module, for the rotating speed of target of the air-conditioning draught fan according to the compensating rotational speed amendment, obtains revised target
Rotating speed；And
Second determining module, for determining revised 3rd air output according to the revised rotating speed of target.
7. air conditioning control device according to claim 6, it is characterised in that
Second computing module calculates the compensating rotational speed of the air-conditioning draught fan according to below equation：Nx=f (Gx)+K, wherein,
Nx represents the compensating rotational speed of the air-conditioning draught fan, and Gx represents the inleakage of the air conditioning duct system, and K represents user's input
The rotating speed correction value；
The correcting module calculates revised rotating speed of target according to below equation：Wherein,
Ns represents the revised rotating speed of target of the air-conditioning draught fan, and λ represents correction factor, and Gs represents the air quantity variable end device
Aggregate demand air quantity, Gd represents the maximum quantity of wind of the air-conditioning draught fan, and Nd represents the maximum (top) speed of the air-conditioning draught fan.
8. air conditioning control device according to claim 5, it is characterised in that the control device also includes：
Judging unit, for controlling air-conditioning to blow it to the air quantity variable end device according to corresponding revised air output
Afterwards, judge whether the revised air output meets the demand air quantity of the air quantity variable end device；And
Described control unit is additionally operable to judging that the revised air output meets the demand of the air quantity variable end device
During air quantity, the air quantity variable end device is controlled to keep current ventilation state.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105091229B (en) * | 2015-08-03 | 2018-04-17 | 珠海格力电器股份有限公司 | Air-conditioning and its fan delivery control method and device |
| CN105371439B (en) * | 2015-11-30 | 2018-05-18 | 珠海格力电器股份有限公司 | Air conditioner and its air quantity control method and device |
| CN106196431A (en) * | 2016-07-04 | 2016-12-07 | 珠海格力电器股份有限公司 | Air conditioning wind pipe machine control system, method and apparatus |
| CN106382723A (en) * | 2016-08-31 | 2017-02-08 | 广东美的制冷设备有限公司 | Air duct type air conditioner control device and method and air conditioner |
| CN107289600A (en) * | 2017-08-23 | 2017-10-24 | 珠海格力电器股份有限公司 | Method, system, display board and the air-conditioning system being controlled to vav terminal |
| CN107914858A (en) * | 2017-09-20 | 2018-04-17 | 珠海格力电器股份有限公司 | Air conditioner, marine air-conditioning system |
| CN108286778A (en) * | 2017-12-21 | 2018-07-17 | 珠海格力电器股份有限公司 | Air volume control method and apparatus |
| CN108344118B (en) * | 2018-01-04 | 2019-09-24 | 珠海格力电器股份有限公司 | Air conditioner system control method and device |
| CN108583208B (en) * | 2018-05-16 | 2023-08-25 | 珠海格力电器股份有限公司 | Air conditioner air duct state determining method, device and system |
| CN110440418B (en) * | 2019-08-12 | 2020-06-30 | 珠海格力电器股份有限公司 | Central ventilation system capable of being adjusted according to requirements and air volume control method thereof |
| CN111023421B (en) * | 2019-12-27 | 2021-08-24 | 宁波奥克斯电气股份有限公司 | Static pressure self-adjustment control method and device and air conditioner |
| CN113266935B (en) * | 2021-05-20 | 2022-04-08 | 四川长虹空调有限公司 | Method for adjusting rotating speed of fan after installation of fresh air equipment |
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| CN1010879B (en) * | 1987-10-01 | 1990-12-19 | 三菱电机株式会社 | Air-conditioner |
| CN1258662C (en) * | 2000-10-04 | 2006-06-07 | 夏普公司 | Air conditioner and temperature detector |
| CN101008519A (en) * | 2007-01-29 | 2007-08-01 | 杭州华电华源环境工程有限公司 | Variable static pressure control method and system for variable air-conditioning system |
| CN101737900B (en) * | 2009-12-29 | 2012-07-04 | 卧龙电气集团股份有限公司 | Method and device for feedback control of air quantity of central air conditioner |
| TWI435530B (en) * | 2011-05-23 | 2014-04-21 | Delta Electronics Inc | Ventilation apparatus with feedback compensation control and method for operating the same |
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