CN105091229A - Air conditioner and draught fan air volume control method and device thereof - Google Patents
Air conditioner and draught fan air volume control method and device thereof Download PDFInfo
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- CN105091229A CN105091229A CN201510483879.4A CN201510483879A CN105091229A CN 105091229 A CN105091229 A CN 105091229A CN 201510483879 A CN201510483879 A CN 201510483879A CN 105091229 A CN105091229 A CN 105091229A
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- conditioning
- blower fan
- dutycycle
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses an air conditioner and a draught fan air volume control method and device thereof. The draught fan air volume control method for the air conditioner comprises the steps that the environment temperature of the environment where the air conditioner is located is collected; the gear of a draught fan of the air conditioner is determined; the duty ratio of the draught fan of the air conditioner is determined according to the environment temperature and the gear of the draught fan; and the air volume of the draught fan of the air conditioner is adjusted according to the duty ratio. By means of the air conditioner and the draught fan air volume control method and device thereof, the problem that in the prior art, the air volume of a draught fan in the air conditioner draught fan adjusting process is not constant is solved, and accordingly the effect of outputting the optimal constant air volume in the air conditioner draught fan adjusting process is achieved.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioning and fan delivery control method thereof and device.
Background technology
At present, in the fan delivery process regulating air-conditioning, the control algolithm that blower fan adopts is by regulating motor speed to export a certain size dutycycle, driving blower fan work further by dutycycle.For the control of fan delivery, by jointly determining that blower fan gear and fan static pressure value realize.Fixing blower fan gear and the fixing corresponding airflow value of static pressure.But, along with the use of air-conditioning, due to the dust in its working environment and clear up the reason such as air-conditioning filter net not in time, cause the screen pack of air-conditioning to block; On the other hand, when the environment temperature residing for air-conditioning changes, fan static pressure value also can change thereupon.Like this under blocking and the inconstant environment of temperature occur the screen pack of air-conditioning, the change of fan static pressure value causes the air quantity that finally obtains and air quantity desirable at first inconsistent.Because the air quantity difference that in air-conditioning adjustment process, the non-constant air quantity making finally to obtain and the air quantity desirable at first of static pressure produces can change along with the lasting of air-conditioning work time, the time that this situation continues is longer, air quantity difference is larger, the air quantity causing air-conditioning to export is less, affect the normal use of air-conditioning, and then make air-conditioning be difficult to reach the due result of use of air-conditioning.
For the inconstant problem of air quantity of blower fan in air-conditioning Fan Regulation process in correlation technique, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is to provide a kind of air-conditioning and fan delivery control method thereof and device, with the inconstant problem of the air quantity solving blower fan in air-conditioning draught fan adjustment process.
To achieve these goals, according to an aspect of the present invention, provide a kind of fan delivery control method of air-conditioning, comprising: the environment temperature gathering environment residing for air-conditioning; Determine the blower fan gear of air-conditioning; The environmentally dutycycle of the blower fan of temperature and blower fan gear determination air-conditioning; And the air quantity of blower fan according to duty cycle adjustment air-conditioning.
Further, after the environment temperature gathering environment residing for air-conditioning, the fan delivery control method of air-conditioning also comprises: determine the temperature coefficient that environment temperature is corresponding, environmentally the dutycycle of the blower fan of temperature and blower fan gear determination air-conditioning comprises: according to the blower fan of the corresponding relation determination air-conditioning of the dutycycle of the blower fan of temperature coefficient and the air-conditioning nominal duty cycles at blower fan gear, the air quantity according to the blower fan of duty cycle adjustment air-conditioning comprises: the air quantity regulating the blower fan of air-conditioning according to nominal duty cycles.
Further, determining that the blower fan of air-conditioning is after the nominal duty cycles of blower fan gear, the fan delivery control method of air-conditioning also comprises: judge whether the rotating speed of the extension set of air-conditioning is stablized; If after the stabilization of speed of the blower fan of air-conditioning, detect the value of actual duty cycle of the blower fan feedback of air-conditioning, regulate according to nominal duty cycles the air quantity of the blower fan of air-conditioning to comprise: the air quantity jointly regulating the blower fan of air-conditioning according to the value of nominal duty cycles and actual duty cycle.
Further, the value detecting the actual duty cycle of the blower fan feedback of air-conditioning comprises: the multiple values detecting the actual duty cycle of the blower fan feedback of air-conditioning; Calculate the mean value of multiple value, obtain the mean value of actual duty cycle of the blower fan feedback of air-conditioning, the value according to nominal duty cycles and actual duty cycle regulates the air quantity of the blower fan of air-conditioning to comprise jointly: the air quantity jointly regulating the blower fan of air-conditioning according to the mean value of nominal duty cycles and actual duty cycle.
Further, environmentally the dutycycle of the blower fan of temperature and blower fan gear determination air-conditioning comprises: determine the atmospheric density corresponding with environment temperature; And determine the dutycycle of the corresponding relation of atmospheric density and dutycycle and the blower fan of blower fan gear determination air-conditioning.
To achieve these goals, according to a further aspect in the invention, additionally provide a kind of fan delivery control device of air-conditioning, comprising: collecting unit, for gathering the environment temperature of environment residing for air-conditioning; First determining unit, for determining the blower fan gear of air-conditioning; Second determining unit, for the dutycycle of the environmentally blower fan of temperature and blower fan gear determination air-conditioning; And regulon, for the air quantity of the blower fan according to duty cycle adjustment air-conditioning.
Further, the fan delivery control device of this air-conditioning also comprises: the 3rd determining unit, for after the environment temperature gathering environment residing for air-conditioning, determine the temperature coefficient that environment temperature is corresponding, wherein, second determining unit is used for the nominal duty cycles of blower fan at blower fan gear of the corresponding relation determination air-conditioning of the dutycycle of the blower fan according to temperature coefficient and air-conditioning, and regulon is used for the air quantity of the blower fan according to nominal duty cycles adjustment air-conditioning.
Further, the fan delivery control device of this air-conditioning also comprises: judging unit, for determining that the blower fan of air-conditioning is after the nominal duty cycles of blower fan gear, judges whether the rotating speed of the blower fan of air-conditioning is stablized; And detecting unit, for after the stabilization of speed of blower fan judging air-conditioning, detect the value of the actual duty cycle of the blower fan feedback of air-conditioning, wherein, regulon is for jointly regulating the air quantity of the blower fan of air-conditioning according to the value of nominal duty cycles and actual duty cycle.
Further, detecting unit comprises: detection module, for detecting multiple values of the actual duty cycle of the blower fan feedback of air-conditioning; And computing module, for calculating the mean value of multiple value, obtain the mean value of the actual duty cycle of the blower fan feedback of air-conditioning, wherein, regulon is for jointly regulating the air quantity of the blower fan of air-conditioning according to the mean value of nominal duty cycles and actual duty cycle.
Further, the second determining unit comprises: the first determination module, for determining the atmospheric density corresponding with environment temperature; And second determination module, for the dutycycle of the blower fan of the corresponding relation and blower fan gear determination air-conditioning of determining atmospheric density and dutycycle.
To achieve these goals, according to a further aspect in the invention, additionally provide a kind of air-conditioning, comprise the fan delivery control device of air-conditioning.
To achieve these goals, according to a further aspect in the invention, additionally provide a kind of air-conditioning, comprising: blower fan; Temperature sensor, for gathering the environment temperature of environment residing for air-conditioning; And controller, for determining the blower fan gear of air-conditioning, the environmentally dutycycle of the blower fan of temperature and blower fan gear determination air-conditioning, and according to the air quantity of duty cycle adjustment blower fan.
By the present invention, adopt the environment temperature gathering environment residing for air-conditioning; Determine the blower fan gear of air-conditioning; The environmentally dutycycle of the blower fan of temperature and blower fan gear determination air-conditioning; And the air quantity of blower fan according to duty cycle adjustment air-conditioning, solve the inconstant problem of air quantity of blower fan in air-conditioning Fan Regulation process in prior art, and then reach the effect exporting optimum constant wind quantity in air-conditioning draught fan adjustment process.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the air-conditioning according to the embodiment of the present invention;
Fig. 2 is the flow chart of the fan delivery control method of air-conditioning according to a first embodiment of the present invention;
Fig. 3 is the flow chart of the fan delivery control method of air-conditioning according to a second embodiment of the present invention;
Fig. 4 is the schematic diagram of the fan delivery control device of air-conditioning according to a first embodiment of the present invention;
Fig. 5 is the schematic diagram of the fan delivery control device of air-conditioning according to a second embodiment of the present invention;
Fig. 6 is the schematic diagram of the fan delivery control device of air-conditioning according to a third embodiment of the present invention; And
Fig. 7 is the schematic diagram of the fan delivery control device of air-conditioning according to a fourth embodiment of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The application's scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the embodiment of the application's part, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
It should be noted that, term " first ", " second " etc. in the description of the application and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged, in the appropriate case so that the embodiment of the application described herein.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiments provide a kind of air-conditioning.Fig. 1 is the schematic diagram of the air-conditioning according to the embodiment of the present invention, as shown in Figure 1: this air-conditioning comprises: blower fan 10, and temperature sensor 20 and controller 30.
Blower fan 10, for exporting the air quantity of air-conditioning, the control algolithm adopted is by regulating motor speed to export certain dutycycle, export corresponding voltage by dutycycle and carry out speed governing, also be, pulsewidth modulation (PulseWidthModulator, referred to as PWM) works to drive blower fan 10 further.The dutycycle of blower fan 10 depends on the gear of blower fan 10, works as ceteris paribus, changes blower fan gear, then corresponding change occurs the dutycycle of blower fan, and then the air quantity of blower fan 10 changes, and user can reach by the method the object regulating air-conditioning draught fan.On the other hand, ambient temperature effect atmospheric density, the atmospheric density of the higher correspondence of environment temperature is less, and atmospheric density can have influence on the dutycycle in air-conditioning draught fan 10 running, so when residing for air-conditioning, the environment temperature of environment changes, the dutycycle that can affect blower fan 10 changes, the air quantity making blower fan 10 export further changes, because variations in temperature causes the inconstant result of the air quantity of blower fan to be that user institute is out of contior.
Temperature sensor 20, for gathering the environment temperature of environment residing for air-conditioning.Because the dutycycle of blower fan 10 is except the blower fan gear depending on blower fan 10, also has the environment temperature of environment residing for air-conditioning.Alternatively, temperature sensor 20 can be air-conditioning mainboard environment temperature-sensitive bag.Temperature sensor 20 gathers the environment temperature around air-conditioning, and obtain a corresponding temperature coefficient according to the value of the environment temperature collected, the corresponding relation of environment temperature and temperature coefficient can pre-set, and is obtained by system experimentation data analysis.Due to the dutycycle of ambient temperature effect blower fan 10, so temperature coefficient corresponding to environment temperature also affects the dutycycle of blower fan 10.The corresponding relation of the dutycycle of temperature coefficient and blower fan 10 can be obtained by system experimentation data analysis.By determining temperature coefficient, determine the dutycycle of blower fan 10 under different gear, blower fan gear is higher, and corresponding dutycycle is larger.Alternatively, the dutycycle of blower fan 10 can be blower fan 10 nominal duty cycles at a certain temperature, also can be the actual duty cycle of blower fan 10 when working.
Controller 30, for determining the gear of blower fan 10, the environmentally dutycycle of the gear determination blower fan 10 of temperature and blower fan 10, and according to the air quantity of duty cycle adjustment blower fan 10.The dutycycle of blower fan 10 is relevant with the environment temperature of the gear of selection and residing environment, controller 30 determines the gear of blower fan 10, and when the environment temperature that temperature sensor 20 collects is constant, the dutycycle of blower fan 10 is constants, the air quantity of output is also constant.When blower fan gear and environment temperature change, dutycycle changes, and the air quantity of output also changes thereupon, then controller 30 redefines the dutycycle of air-conditioning, regulate the air quantity of blower fan further according to the size of dutycycle, the air quantity that blower fan 10 is exported is constant.
The air-conditioning of this embodiment exports the air quantity of air-conditioning by blower fan 10, the environment temperature of environment residing for air-conditioning is gathered by temperature sensor 20 device, the gear of blower fan 10 is determined by controller 30, the environmentally dutycycle of the gear determination blower fan 10 of temperature and blower fan 10, and according to the air quantity of duty cycle adjustment blower fan 10, solve the inconstant problem of air quantity of blower fan in air-conditioning Fan Regulation process in prior art, and then reach the effect exporting optimum constant wind quantity in air-conditioning draught fan adjustment process.
Present invention also offers a kind of embodiment of air conditioning control method, it should be noted that, the fan delivery control method of the air-conditioning of the embodiment of the present invention may be used in the air-conditioning of the embodiment of the present invention, controls the air quantity of the blower fan in the air-conditioning of the embodiment of the present invention.
Fig. 2 is the flow chart of the fan delivery control method of air-conditioning according to a first embodiment of the present invention.As shown in Figure 2, the fan delivery control method following steps of this air-conditioning:
Step S102, gathers the environment temperature of environment residing for air-conditioning.
The control algolithm that the blower fan of air-conditioning adopts is by regulating motor speed to export a certain size dutycycle, exports corresponding voltage to drive blower fan work further by dutycycle.Ambient temperature effect atmospheric density residing for air-conditioning, the atmospheric density of the higher correspondence of environment temperature is less, and atmospheric density can have influence on the dutycycle in the fan operation process of air-conditioning, so, when the environment temperature of environment residing for air-conditioning change and ceteris paribus time, the dutycycle of the blower fan of air-conditioning can be made to change, and the air quantity making blower fan export further changes, and therefore fan delivery controls the environment temperature needing environment residing for collection air-conditioning.
Alternatively, after the environment temperature gathering environment residing for air-conditioning, the temperature coefficient that environment temperature is corresponding is determined.The temperature coefficient that concrete environment temperature is corresponding concrete, the corresponding relation of environment temperature and temperature coefficient pre-sets, and is kept in presetting database.After the environment temperature obtaining environment residing for air-conditioning, the corresponding relation of transfer environment temperature and temperature coefficient from database, environmentally temperature obtains corresponding environment temperature coefficient afterwards.
Step S104, determines the blower fan gear of air-conditioning.
After the environment temperature gathering environment residing for air-conditioning, need the blower fan gear determining air-conditioning.The dutycycle of the blower fan of air-conditioning depends on blower fan gear, work as ceteris paribus, change blower fan gear, then there is corresponding change in the dutycycle of the blower fan of air-conditioning, blower fan gear is higher, the dutycycle of the blower fan of corresponding air-conditioning is larger, and then the air quantity of blower fan changes, and user can reach by the method the object regulating air-conditioning draught fan.After the blower fan gear determining air-conditioning, the air quantity of the blower fan of air-conditioning also determines primarily of environment temperature.
Step S106, the environmentally dutycycle of the blower fan of temperature and blower fan gear determination air-conditioning.
The dutycycle of the blower fan of air-conditioning depends on environment temperature and blower fan gear.Before the dutycycle of blower fan determining air-conditioning, after obtaining the environment temperature of air-conditioning, determine the atmospheric density corresponding with environment temperature, environment temperature is higher, and corresponding atmospheric density is less.Atmospheric density can have influence on the value of the dutycycle in air-conditioning draught fan running, and therefore, the dutycycle of the blower fan of atmospheric density and air-conditioning has certain corresponding relation, and this corresponding relation is got by system experimentation data analysis.According to the corresponding relation of dutycycle determining atmospheric density and blower fan, can determine environment temperature with and the corresponding relation of dutycycle of blower fan, further by determining that blower fan gear is to determine the dutycycle of the blower fan of air-conditioning.
Particularly, due to the dutycycle of ambient temperature effect blower fan, so temperature coefficient corresponding to environment temperature also affects the dutycycle of the blower fan of air-conditioning.The corresponding relation of the dutycycle of the blower fan of temperature coefficient and air-conditioning pre-sets, and can be obtained, be kept in presetting database by system experimentation data analysis.By calling the corresponding relation of the dutycycle of the blower fan of temperature coefficient and air-conditioning, obtain the dutycycle of blower fan corresponding to temperature coefficient, and in order to when fan delivery changes, blower fan is regulated, alternatively, the dutycycle of temperature coefficient and corresponding blower fan is preserved.Therefore, by determining temperature coefficient, and then the dutycycle of the blower fan of air-conditioning under different gear can be determined.Preferably, according to the blower fan of the corresponding relation determination air-conditioning of the dutycycle of the blower fan of temperature coefficient and the air-conditioning nominal duty cycles at air-conditioning place gear, and nominal duty cycles is preserved, wherein, blower fan gear is determined in step S104, blower fan gear is higher, and the nominal duty cycles of corresponding blower fan is larger.
Step S108, according to the air quantity of the blower fan of duty cycle adjustment air-conditioning.
According to the corresponding relation of the dutycycle of the blower fan of temperature coefficient and air-conditioning, the nominal duty cycles of the blower fan of air-conditioning corresponding under obtaining measured temperature coefficient.According to the air quantity of the blower fan of duty cycle adjustment air-conditioning, specifically, be the air quantity of blower fan regulating air-conditioning according to nominal duty cycles.Determining that the blower fan of air-conditioning is after the nominal duty cycles of blower fan gear, owing to being regulate the air quantity of air-conditioning current operating state, needing the dutycycle determining that the air quantity of air-conditioning current operating state is corresponding, also, actual duty cycle.The air quantity of the blower fan of air-conditioning is jointly regulated according to the value of nominal duty cycles and actual duty cycle.
When the rotation speed of fan instability of air-conditioning, the actual duty cycle of the blower fan of air-conditioning is unstable, and then the air quantity that the blower fan of air-conditioning exports is also unstable.Alternatively, by judging that the stability of the air quantity that air-conditioner continuous exports judges whether the rotating speed of the blower fan of air-conditioning is stablized.If after judging that the rotating speed of the blower fan of air-conditioning reaches stable state, then the blower fan feedback actual duty cycle of air-conditioning, detects the value of actual duty cycle.Particularly, in order to ensure the accuracy that actual duty cycle detects, detect multiple values of the actual duty cycle of the blower fan feedback of air-conditioning, such as 10, obtain the actual duty cycle of the blower fan feedback of air-conditioning.After the actual duty cycle of blower fan obtaining air-conditioning, multiple value is processed.Alternatively, the mean value of actual duty cycle is defined as the actual duty cycle of the blower fan of air-conditioning, specifically, calculate the mean value of multiple value, thus obtain the mean value of the actual duty cycle of the blower fan feedback of air-conditioning, further, the air quantity of the blower fan of air-conditioning is jointly regulated according to the mean value of the actual duty cycle of the nominal duty cycles of having preserved and acquisition.
This embodiment is by gathering the environment temperature of environment residing for air-conditioning; Determine the blower fan gear of air-conditioning; The environmentally dutycycle of the blower fan of temperature and blower fan gear determination air-conditioning; And the air quantity of blower fan according to duty cycle adjustment air-conditioning, solve the inconstant problem of air quantity of blower fan in air-conditioning Fan Regulation process in prior art, and then reach the effect exporting optimum constant wind quantity in air-conditioning draught fan adjustment process.
Fig. 3 is the flow chart of the fan delivery control method of air-conditioning according to a second embodiment of the present invention.Fig. 3 embodiment can as preferred embodiment embodiment illustrated in fig. 2, as shown in Figure 3, and the fan delivery control method following steps of this air-conditioning:
Step S201, reads environment temperature, determines temperature coefficient.
Alternatively, the environment temperature around air-conditioning is gathered by the environment temperature-sensitive bag of air-conditioning mainboard.After the environment temperature obtaining air-conditioning, because environment temperature and atmospheric density have corresponding relation, also be, the atmospheric density of the higher correspondence of environment temperature is less, and the value of atmospheric density and the dutycycle of air-conditioning draught fan in running has corresponding relation, cause once environment temperature changes, the dutycycle during fan operation of air-conditioning also can change thereupon.
According to the value of the environment temperature collected, the corresponding relation of transfer environment temperature and temperature coefficient from database, environmentally temperature obtains corresponding environment temperature coefficient afterwards.
Step S202, determines blower fan gear.
Determine the gear selected by blower fan of air-conditioning during air-conditioning work, blower fan gear is different, and the air quantity of the blower fan of air-conditioning is different, and the dutycycle of the higher corresponding blower fan of blower fan gear is larger.
Step S203, determines the nominal duty cycles of blower fan.
By after the value determination temperature coefficient of environment temperature that collects, determine the air-conditioning draught fan nominal duty cycles that different blower fan gear is corresponding in running according to temperature coefficient from the corresponding relation (this corresponding relation is determined by system experimentation data analysis) of air-conditioning draught fan dutycycle, the nominal duty cycles of the blower fan of the higher corresponding air-conditioning of blower fan gear is larger.
Step S204, determines the actual duty cycle of blower fan.
By after the nominal duty cycles that the blower fan of temperature coefficient and blower fan gear determination air-conditioning is corresponding, if judge that the rotating speed of the blower fan of air-conditioning reaches stable state, then the blower fan feedback actual duty cycle of air-conditioning, detects the value of now actual duty cycle.Particularly, in order to ensure the accuracy that actual duty cycle detects, detect multiple values of the actual duty cycle of the blower fan feedback of air-conditioning, such as 10, obtain the actual duty cycle of the blower fan feedback of air-conditioning.After the actual duty cycle of blower fan obtaining air-conditioning, multiple value is processed.Alternatively, the mean value of actual duty cycle is defined as the actual duty cycle of the blower fan of air-conditioning, specifically, calculates the mean value of multiple value, thus obtain the mean value of the actual duty cycle of the blower fan feedback of air-conditioning.
Step S205, duty cycle adjustment.
By the nominal duty cycles of blower fan that obtained and the mean value of actual duty cycle, determine the relation of the nominal duty cycles of blower fan and the mean value of actual duty cycle, readjust the dutycycle of blower fan according to the relation of the nominal duty cycles of blower fan and the mean value of actual duty cycle further.
Step S206, regulates air quantity.
The dutycycle of the blower fan obtained by again reconciling, regulates the air quantity of the blower fan of air-conditioning.
Step S207, judges whether air quantity is permanent wind amount.
After the air quantity of blower fan is regulated, judge whether the air quantity of the blower fan after regulating is desirable permanent wind amount, if not, then perform step S204.
Step S208, judges whether environment temperature changes.
Judge that the value of current environmental temperature is compared with the value of environment temperature collected before, whether both change, if the result judged is not change, then ignore, the air quantity of air-conditioning is constant, and air-conditioning need not regulate blower fan.If the result judged changes, then perform step S204, air-conditioning draught fan air quantity starts re-start adjustment thus again reach a steady state value.
In this embodiment, control effect air quantity changes involved key factor, i.e. environment temperature, makes the air quantity of the blower fan of air-conditioning make response immediately along with the change of environment temperature, intelligently the air quantity of blower fan is regulated, thus make the desirable air quantity that the air quantity of blower fan reaches constant.By reading environment temperature, determine temperature coefficient, determine blower fan gear, determine the nominal duty cycles of blower fan, determine the actual duty cycle of blower fan, duty cycle adjustment, regulate air quantity, judge whether air quantity is permanent wind amount and judge whether environment temperature changes, solve the inconstant problem of air quantity of blower fan in air-conditioning Fan Regulation process in prior art, and then reach the effect exporting optimum constant wind quantity in air-conditioning draught fan adjustment process.
Can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
The embodiment of the present invention additionally provides a kind of fan delivery control device of air-conditioning, it should be noted that, the fan delivery control device of the air-conditioning of the embodiment of the present invention may be used for the fan delivery control method of the air-conditioning performing the embodiment of the present invention.
Fig. 4 is the schematic diagram of the fan delivery control device of air-conditioning according to a first embodiment of the present invention.As shown in Figure 4, the fan delivery control device of this air-conditioning comprises collecting unit 40, the first determining unit 50, second determining unit 60 and regulon 70.
Collecting unit 40, for gathering the environment temperature of environment residing for air-conditioning.The control algolithm that the blower fan of air-conditioning adopts is by regulating motor speed to export a certain size dutycycle, exporting corresponding voltage carry out speed governing to drive blower fan work further by dutycycle.Ambient temperature effect atmospheric density residing for air-conditioning, the atmospheric density of the higher correspondence of environment temperature is less, and atmospheric density can have influence on the dutycycle in the fan operation process of air-conditioning, so, when the environment temperature of environment residing for air-conditioning change and ceteris paribus time, the dutycycle of the blower fan of air-conditioning can be made to change, and the air quantity making blower fan export further changes, and therefore fan delivery controls to need collecting unit 40 to gather the environment temperature of environment residing for air-conditioning.
Alternatively, after collecting unit 40 gathers the environment temperature of environment residing for air-conditioning, determine the temperature coefficient that environment temperature is corresponding.The temperature coefficient that concrete environment temperature is corresponding concrete, the corresponding relation of environment temperature and temperature coefficient pre-sets, and is kept in presetting database.After the environment temperature obtaining environment residing for air-conditioning, the corresponding relation of transfer environment temperature and temperature coefficient from database, environmentally temperature obtains corresponding environment temperature coefficient afterwards.
First determining unit 50, for determining the blower fan gear of air-conditioning.Gather the environment temperature of environment residing for air-conditioning at collecting unit 40 after, need the blower fan gear determining air-conditioning.The dutycycle of the blower fan of air-conditioning depends on blower fan gear, works as ceteris paribus, changes blower fan gear, the then dutycycle generation respective change of the blower fan of air-conditioning, blower fan gear is higher, and the dutycycle of the blower fan of corresponding air-conditioning is larger, and then the air quantity of blower fan changes.
Second determining unit 60, for the dutycycle of the environmentally blower fan of temperature and blower fan gear determination air-conditioning.The dutycycle of the blower fan of air-conditioning depends on environment temperature and the blower fan gear of residing environment.Before the dutycycle of blower fan determining air-conditioning, after collecting unit 40 obtains the environment temperature of air-conditioning, determine the atmospheric density corresponding with environment temperature, environment temperature is higher, and corresponding atmospheric density is less.Atmospheric density can have influence on the value of the dutycycle in air-conditioning draught fan running, and therefore, the dutycycle of the blower fan of atmospheric density and air-conditioning has certain corresponding relation, and this corresponding relation is got by system experimentation data analysis.According to the corresponding relation of dutycycle determining atmospheric density and blower fan, can determine environment temperature with and the corresponding relation of dutycycle of blower fan, further by determining that blower fan gear is to determine the dutycycle of the blower fan of air-conditioning.
Particularly, due to the dutycycle of ambient temperature effect blower fan, so temperature coefficient corresponding to environment temperature also affects the dutycycle of the blower fan of air-conditioning, the corresponding relation of the dutycycle of temperature coefficient and blower fan can be determined by system experimentation data analysis.Therefore, by determining temperature coefficient, and then the dutycycle of the blower fan of air-conditioning under different gear can be determined.Preferably, according to the blower fan of the corresponding relation determination air-conditioning of the dutycycle of the blower fan of temperature coefficient and the air-conditioning nominal duty cycles at air-conditioning place gear.
Regulon 70, for the air quantity of the blower fan according to duty cycle adjustment air-conditioning.After the nominal duty cycles of the blower fan of air-conditioning is determined, according to the air quantity of the blower fan of duty cycle adjustment air-conditioning, specifically, be the air quantity of blower fan regulating air-conditioning according to nominal duty cycles.Owing to regulating the air quantity of air-conditioning current operating state, need the dutycycle determining that the air quantity of air-conditioning current operating state is corresponding, also, actual duty cycle.The air quantity of the blower fan of air-conditioning is jointly regulated according to the value of nominal duty cycles and actual duty cycle.
Fig. 5 is the schematic diagram of the fan delivery control device of air-conditioning according to a second embodiment of the present invention.As shown in Figure 5, the fan delivery control device of this air-conditioning comprises collecting unit 40, the first determining unit 50, second determining unit 60, regulon 70, the 3rd determining unit 80, judging unit 90 and detecting unit 100.
3rd determining unit 80, for after the environment temperature gathering environment residing for air-conditioning, determines the temperature coefficient that environment temperature is corresponding.The temperature coefficient that concrete environment temperature is corresponding concrete, the corresponding relation of environment temperature and temperature coefficient pre-sets, and is kept in presetting database.After the environment temperature obtaining environment residing for air-conditioning, the corresponding relation of transfer environment temperature and temperature coefficient from database, environmentally temperature obtains corresponding environment temperature coefficient afterwards.Corresponding relation second determining unit 60 according to the dutycycle of the blower fan of temperature coefficient and air-conditioning determines the nominal duty cycles of the blower fan of air-conditioning at blower fan gear, regulates the air quantity of the blower fan of air-conditioning according to nominal duty cycles regulon 70.
Judging unit 90, for determining that the blower fan of air-conditioning is after the nominal duty cycles of blower fan gear, is judging whether the rotating speed of the blower fan of air-conditioning is stablized.When the rotation speed of fan instability of air-conditioning, the actual duty cycle of the blower fan of air-conditioning is unstable, and then the air quantity that the blower fan of air-conditioning exports is unstable.Therefore, need to judge that the stability of the air quantity of air-conditioning judges whether the rotating speed of the blower fan of air-conditioning is stablized by judging unit 90.
Detecting unit 100, for after the stabilization of speed of blower fan judging air-conditioning, detects the value of the actual duty cycle of the blower fan feedback of air-conditioning.If after judging unit 90 judges that the rotating speed of the blower fan of air-conditioning reaches stable state, then the blower fan feedback actual duty cycle of air-conditioning, detecting unit 100 detects the value of actual duty cycle.Particularly, in order to ensure the accuracy that actual duty cycle detects, detecting unit 100 detects multiple values of the actual duty cycle of the blower fan feedback of air-conditioning, such as 10, obtains the actual duty cycle of the blower fan feedback of air-conditioning.After the actual duty cycle of blower fan obtaining air-conditioning, multiple value is processed.Alternatively, calculate the mean value of multiple value, the mean value of actual duty cycle is defined as the actual duty cycle of the blower fan of air-conditioning.Further, regulon 70 regulates the air quantity of the blower fan of air-conditioning jointly according to the mean value of the actual duty cycle of the nominal duty cycles of having preserved and acquisition.
Fig. 6 is the schematic diagram of the fan delivery control device of air-conditioning according to a third embodiment of the present invention.As shown in Figure 6, the fan delivery control device of this air-conditioning comprises collecting unit 40, the first determining unit 50, second determining unit 60, regulon 70, the 3rd determining unit 80, judging unit 90 and detecting unit 100, wherein detecting unit 100 comprises detection module 101 and computing module 102.
Detection module 101, for detecting multiple values of the actual duty cycle of the blower fan feedback of air-conditioning.
Computing module 102, for calculating the mean value of multiple values of the actual duty cycle of the blower fan feedback of air-conditioning, obtain the mean value of the actual duty cycle of the blower fan feedback of air-conditioning, wherein, regulon 70 is for jointly regulating the air quantity of the blower fan of air-conditioning according to the mean value of nominal duty cycles and actual duty cycle.
Fig. 7 is the schematic diagram of the fan delivery control device of air-conditioning according to a fourth embodiment of the present invention.As shown in Figure 7, the fan delivery control device of this air-conditioning comprises collecting unit 40, first determining unit 50, second determining unit 60, regulon 70,3rd determining unit 80, judging unit 90 and detecting unit 100, wherein the second determining unit 60 comprises the first determination module 61 and the second determination module 62.
First determination module 61, for determining the atmospheric density corresponding with environment temperature.Environment temperature is higher, and corresponding atmospheric density is less.Atmospheric density can have influence on the value of the dutycycle in air-conditioning draught fan running, and therefore, the dutycycle of the blower fan of atmospheric density and air-conditioning has certain corresponding relation.In order to obtain the dutycycle of the blower fan of air-conditioning, the atmospheric density corresponding with environment temperature to be determined by the first determination module 61.
Second determination module 62, for the dutycycle of the blower fan of the corresponding relation and blower fan gear determination air-conditioning of determining atmospheric density and dutycycle.According to the corresponding relation of dutycycle determining atmospheric density and blower fan, determine environment temperature with and the corresponding relation of dutycycle of blower fan, further by determining that blower fan gear is to determine the dutycycle of the blower fan of air-conditioning.
The fan delivery control device of this embodiment gathers the environment temperature of environment residing for air-conditioning by collecting unit; By the blower fan gear of the first determining unit determination air-conditioning; By the dutycycle of the second determining unit environmentally blower fan of temperature and blower fan gear determination air-conditioning; And by the air quantity of regulon according to the blower fan of duty cycle adjustment air-conditioning.Solve the inconstant problem of air quantity of blower fan in air-conditioning Fan Regulation process in prior art, and then reach the effect exporting optimum constant wind quantity in air-conditioning draught fan adjustment process.
The embodiment of the present invention additionally provides a kind of air-conditioning, comprises the fan delivery control device of the air-conditioning of the embodiment of the present invention.
The present invention utilizes the corresponding relation of environment temperature and blower fan gear and-blower fan dutycycle, regulate the air quantity of blower fan intelligently, achieve air-conditioning in actual motion, for different environment, the blower fan of air-conditioning all can realize the control of optimum permanent wind amount, the air quantity of blower fan is regulated more intelligent, improve the comfortableness that air-conditioning uses, therefore, the invention solves the inconstant problem of air quantity of blower fan in air-conditioning Fan Regulation process in prior art, and then reach the effect exporting optimum constant wind quantity in air-conditioning draught fan adjustment process.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed device, the mode by other realizes.Such as, device embodiment described above is only schematic, the such as division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the INDIRECT COUPLING of device or unit or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a fan delivery control method for air-conditioning, is characterized in that, comprising:
Gather the environment temperature of environment residing for air-conditioning;
Determine the blower fan gear of described air-conditioning;
The dutycycle of the blower fan of described air-conditioning is determined according to described environment temperature and described blower fan gear; And
The air quantity of the blower fan of air-conditioning according to described duty cycle adjustment.
2. method according to claim 1, is characterized in that,
After the environment temperature gathering environment residing for air-conditioning, described method also comprises: determine the temperature coefficient that described environment temperature is corresponding,
Determine that the dutycycle of the blower fan of described air-conditioning comprises according to described environment temperature and described blower fan gear: the corresponding relation according to the dutycycle of the blower fan of described temperature coefficient and described air-conditioning determines the nominal duty cycles of the blower fan of described air-conditioning at described blower fan gear,
According to described duty cycle adjustment, the air quantity of the blower fan of air-conditioning comprises: the air quantity regulating the blower fan of described air-conditioning according to described nominal duty cycles.
3. method according to claim 2, is characterized in that,
Determining that the blower fan of described air-conditioning is after the nominal duty cycles of described blower fan gear, described method also comprises: judge whether the rotating speed of the extension set of described air-conditioning is stablized; If after the stabilization of speed of the blower fan of described air-conditioning, detect the value of the actual duty cycle of the blower fan feedback of described air-conditioning,
The air quantity of the blower fan of described air-conditioning is regulated to comprise according to described nominal duty cycles: the air quantity jointly regulating the blower fan of described air-conditioning according to the value of described nominal duty cycles and described actual duty cycle.
4. method according to claim 3, is characterized in that,
The value detecting the actual duty cycle of the blower fan feedback of described air-conditioning comprises: the multiple values detecting the actual duty cycle of the blower fan feedback of described air-conditioning; Calculate the mean value of described multiple value, obtain the mean value of the actual duty cycle of the blower fan feedback of described air-conditioning,
Value according to described nominal duty cycles and described actual duty cycle regulates the air quantity of the blower fan of described air-conditioning to comprise jointly: the air quantity jointly regulating the blower fan of described air-conditioning according to the mean value of described nominal duty cycles and described actual duty cycle.
5. method according to claim 1, is characterized in that, determines that the dutycycle of the blower fan of described air-conditioning comprises according to described environment temperature and described blower fan gear:
Determine the atmospheric density corresponding with described environment temperature; And
Determine that the corresponding relation of described atmospheric density and described dutycycle and described blower fan gear determine the dutycycle of the blower fan of described air-conditioning.
6. a fan delivery control device for air-conditioning, is characterized in that, comprising:
Collecting unit, for gathering the environment temperature of environment residing for air-conditioning;
First determining unit, for determining the blower fan gear of described air-conditioning;
Second determining unit, for determining the dutycycle of the blower fan of described air-conditioning according to described environment temperature and described blower fan gear; And
Regulon, for the air quantity of the blower fan of air-conditioning according to described duty cycle adjustment.
7. device according to claim 6, is characterized in that, also comprises:
3rd determining unit, for after the environment temperature gathering environment residing for air-conditioning, determines the temperature coefficient that described environment temperature is corresponding,
Wherein, described second determining unit determines the nominal duty cycles of the blower fan of described air-conditioning at described blower fan gear for the corresponding relation of the dutycycle of the blower fan according to described temperature coefficient and described air-conditioning, and described regulon is used for the air quantity of the blower fan regulating described air-conditioning according to described nominal duty cycles.
8. device according to claim 7, is characterized in that, also comprises:
Judging unit, for determining that the blower fan of described air-conditioning is after the nominal duty cycles of described blower fan gear, judges whether the rotating speed of the blower fan of described air-conditioning is stablized; And
Detecting unit, for after the stabilization of speed of blower fan judging described air-conditioning, detects the value of the actual duty cycle of the blower fan feedback of described air-conditioning,
Wherein, described regulon is for jointly regulating the air quantity of the blower fan of described air-conditioning according to the value of described nominal duty cycles and described actual duty cycle.
9. device according to claim 8, is characterized in that, described detecting unit comprises:
Detection module, for detecting multiple values of the actual duty cycle of the blower fan feedback of described air-conditioning; And
Computing module, for calculating the mean value of described multiple value, obtains the mean value of the actual duty cycle of the blower fan feedback of described air-conditioning,
Wherein, described regulon is for jointly regulating the air quantity of the blower fan of described air-conditioning according to the mean value of described nominal duty cycles and described actual duty cycle.
10. device according to claim 6, is characterized in that, described second determining unit comprises:
First determination module, for determining the atmospheric density corresponding with described environment temperature; And
Second determination module, corresponding relation and described blower fan gear for determining described atmospheric density and described dutycycle determine the dutycycle of the blower fan of described air-conditioning.
11. 1 kinds of air-conditionings, is characterized in that, comprise the fan delivery control device according to any one of claim 6 to 10.
12. 1 kinds of air-conditionings, is characterized in that, comprising:
Blower fan;
Temperature sensor, for gathering the environment temperature of environment residing for air-conditioning; And
Controller, for determining the blower fan gear of described air-conditioning, determines the dutycycle of the blower fan of described air-conditioning according to described environment temperature and described blower fan gear, and according to described duty cycle adjustment the air quantity of blower fan.
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