CN110425701A - Tail end of central air conditioner air-supply composite control method, device and electronic equipment - Google Patents

Tail end of central air conditioner air-supply composite control method, device and electronic equipment Download PDF

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Publication number
CN110425701A
CN110425701A CN201910584923.9A CN201910584923A CN110425701A CN 110425701 A CN110425701 A CN 110425701A CN 201910584923 A CN201910584923 A CN 201910584923A CN 110425701 A CN110425701 A CN 110425701A
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China
Prior art keywords
evaluation number
evenly heat
current
air conditioner
central air
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Inventor
邓翔
邓仕钧
陈文景
匡付华
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Xiong An Dashi Intelligent Technology Co Ltd
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Xiong An Dashi Intelligent Technology Co Ltd
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Priority to CN201910584923.9A priority Critical patent/CN110425701A/en
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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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • 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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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to tail end of central air conditioner air-supply composite control method, device and electronic equipments, comprising: obtains current indoor parameter and human parameters；Current indoor parameter includes: current indoor air themperature, current indoor relative humidity, current indoor mean radiant temperature and current indoor average flow velocity, and human parameters includes: the resistance of human body clothing and human-body radiating rate；According to current indoor parameter and human parameters, current expected evenly heat evaluation number and its deviation are determined；According to current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected；According to selected control model, the running frequency of central air conditioner end air machine is controlled.The present invention is according to current expected evenly heat evaluation number, select different automatic ventilating control models, to avoid indoor environment control lag or disturb caused air-conditioning amount offset, indoor thermal comfort is influenced, the indoor environment after adjusting automatic ventilating is more objective close to human thermal comfort requirement.

Description

Tail end of central air conditioner air-supply composite control method, device and electronic equipment
Technical field
The present invention relates to field of central air-conditioning, more specifically to a kind of tail end of central air conditioner air-supply complex controll side Method, device and electronic equipment.
Background technique
A controlled indoor environment can be provided by the air-supply adjusting to central air conditioner system end, makes Indoor Temperature The indoor environments index such as degree, humidity, air current composition and indoor air quality is maintained within a reasonable range, to be The life and work of indoor occupant provides a health and comfortable environment.
The important way that the air-supply of central air conditioner system end is adjusted is the variable frequency adjustment by tail-end blower fan, is changed Air output size.When blower using automatic frequency-conversion adjust when, generally use the mode of PID control, i.e., according to room temperature with set Determine the difference between temperature, adjusts the working frequency of blower, and then change air output size.
However, the air-supply of central air conditioner system end is had the following problems using PID control: (1) influencing human thermal comfort Environmental parameter mainly have air themperature, relative humidity, mean radiant temperature and average flow velocity；The inherent parameters of people have clothing Take thermal resistance and human-body radiating rate.The parameter for using room temperature to adjust as the air-supply of central air conditioner system end, blower are automatic Studies of Human Body Heat comfort conditions are difficult to ensure under ventilation state；(2) PID adjusting belongs to relatively high-precision adjusting, anti-interference energy Power is relatively poor, when occurring disturbing outside serious indoors, serious over control easily occurs, control precision is difficult to ensure；(3) indoor ring Border, which is adjusted, belongs to Large-lag System, is difficult to realize good control effect using PID control.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of central air-conditioning end End air-supply composite control method, device and electronic equipment.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of tail end of central air conditioner air-supply compound control Method processed, comprising:
Obtain current indoor parameter and human parameters；The current indoor parameter includes: current indoor air themperature, current Indoor relative humidity, current indoor mean radiant temperature and current indoor average flow velocity, the human parameters include: human body Clothing resistance and human-body radiating rate；
According to the current indoor parameter and human parameters, current expected evenly heat evaluation number and its deviation are determined；
According to the current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected；
According to selected control model, the running frequency of central air conditioner end air machine is controlled.
In one embodiment,
The control model packet blown according to the current expected evenly heat evaluation number, selection tail end of central air conditioner It includes:
According to the current expected evenly heat evaluation number, current expected evenly heat evaluation number deviation is obtained；
Based on the current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected.
In one embodiment, the control model of the tail end of central air conditioner air-supply includes Fuzzy Control Model and PID control Molding formula；
It is described to be based on the current expected evenly heat evaluation number deviation, select the control mould of tail end of central air conditioner air-supply Formula includes:
The current expected evenly heat evaluation number deviation is compared with reference value, judges that the current expection is flat Whether soaking evaluation number deviation is greater than the parameter value；
If the current expected evenly heat evaluation number deviation is greater than the reference value, Fuzzy Control Model is selected；
If the current expected evenly heat evaluation number deviation is less than the reference value, PID control mode is selected.
In one embodiment, the control model of the tail end of central air conditioner air-supply is Fuzzy Control Model；
It is described according to selected control model, the running frequency for controlling central air conditioner end air machine includes:
According to the current expected evenly heat evaluation number deviation, the change of error of expected evenly heat evaluation number is obtained Rate；
Based on the current expected evenly heat evaluation number deviation, obtain and the current expected evenly heat evaluation number The corresponding first fuzzy language set of deviation；
Based on the deviation variation rate of the expected evenly heat evaluation number, obtain and the expected evenly heat evaluation number The corresponding second fuzzy language set of deviation variation rate；
According to the first fuzzy language set and the second fuzzy language set, in conjunction with the fuzzy of fan operation frequency Language set establishes fan operation frequency control table；
According to the fan operation frequency control table, the target operating frequency of central air conditioner end air machine is obtained；
Based on the target operating frequency, the running frequency of the central air conditioner end air machine is controlled.
In one embodiment, the current expected evenly heat evaluation number is obtained by the following formula:
Wherein, M (k) indicates human-body radiating rate, and W (k) indicates physical activity extra heat dissipation, Pa(k) air vapor is indicated Partial pressure, ta(k) current indoor air themperature, f are indicatedcl(k) clothing area factor, t are indicatedcl(k) garment surface temperature is indicated Degree, tr(k) current indoor mean radiant temperature, h are indicatedc(k) convection transfer rate is indicated.
The present invention also provides a kind of tail end of central air conditioner air-supply composite control apparatus, comprising:
Acquiring unit, for obtaining current indoor parameter and human parameters；The current indoor parameter includes: current indoor Air themperature, current indoor relative humidity, current indoor mean radiant temperature and current indoor average flow velocity, the human body Parameter includes: the resistance of human body clothing and human-body radiating rate；
Determination unit, for determining that current expected evenly heat evaluation refers to according to the current indoor parameter and human parameters Several and its deviation；
Selecting unit, for selecting tail end of central air conditioner to send according to the current expected evenly heat evaluation number deviation The control model of wind；
Control unit, for controlling the running frequency of central air conditioner end air machine according to selected control model.
In one embodiment, the selecting unit is specifically used for:
According to the current expected evenly heat evaluation number, current expected evenly heat evaluation number deviation is obtained；
Based on the current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected.
In one embodiment, the control model of the tail end of central air conditioner air-supply includes Fuzzy Control Model and PID control Molding formula；
The selecting unit is specifically used for:
The current expected evenly heat evaluation number deviation is compared with reference value, judges the current evenly heat Whether evaluation number deviation is greater than the parameter value；
If the current expected evenly heat evaluation number deviation is greater than the reference value, Fuzzy Control Model is selected；
If the current expected evenly heat evaluation number deviation is less than the reference value, PID control mode is selected.
In one embodiment, the control model of the tail end of central air conditioner air-supply is Fuzzy Control Model；
Described control unit is specifically used for:
According to the current expected evenly heat evaluation number deviation, the change of error of expected evenly heat evaluation number is obtained Rate；
Based on the current expected evenly heat evaluation number deviation, obtain and the current expected evenly heat evaluation number The corresponding first fuzzy language set of deviation；
Based on the deviation variation rate of the expected evenly heat evaluation number, obtain and the expected evenly heat evaluation number The corresponding second fuzzy language set of deviation variation rate；
According to the first fuzzy language set and the second fuzzy language set, in conjunction with the fuzzy of fan operation frequency Language set establishes fan operation frequency control table；
According to the fan operation frequency control table, the target operating frequency of central air conditioner end air machine is obtained；
Based on the target operating frequency, the running frequency of the central air conditioner end air machine is controlled.
The present invention also provides a kind of electronic equipment, including processor, the processor is used to execute to store in memory The step of method as described above is realized when computer program.
The present invention also provides a kind of storage mediums, are stored thereon with computer program, the computer program is by processor The step of method as described above is realized when execution.
Implement tail end of central air conditioner air output composite control method of the invention, has the advantages that this method is logical It crosses based on current indoor parameter and human parameters, converses indoor current expected evenly heat evaluation number, and current pre- according to this Phase evenly heat evaluation number determines the control model of tail end of central air conditioner air-supply, the indoor thermal environment after adjusting automatic ventilating It is more objective to be required close to human thermal comfort.And it can be to avoid over control, to avoid indoor environment control lag Or the offset of air-conditioning amount caused by disturbing, precision is available is effectively ensured for control.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the flow diagram of tail end of central air conditioner air-supply composite control method provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of tail end of central air conditioner air-supply another embodiment of composite control method provided by the invention；
Fig. 3 is the flow diagram of the tail end of central air conditioner air-supply another embodiment of composite control method provided by the invention；
Fig. 4 is the logic diagram of tail end of central air conditioner air-supply composite control apparatus provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
With reference to Fig. 1, blow composite control method the present invention provides a kind of tail end of central air conditioner, the composite control method with It is expected that indoor thermal environment more objective patch of the evenly heat evaluation number as indoor thermal comfort evaluation index, after adjusting automatic ventilating The requirement of person of modern times's body heat comfort can select different automatic ventilatings to control according to indoor current expected evenly heat evaluation number Mode, so that air-conditioning amount offset caused by avoiding indoor environment control lag or disturbing, influences indoor thermal comfort.
Specifically, as shown in Figure 1, this method comprises: step S1, step S2, step S3 and step S4.
Step S1, current indoor parameter and human parameters are obtained.
Current indoor parameter includes: current indoor air themperature, current indoor relative humidity, current indoor average radiation temperature Degree and current indoor average flow velocity, human parameters include: the resistance of human body clothing and human-body radiating rate.
Wherein, current indoor air themperature, current indoor relative humidity, current indoor mean radiant temperature and current indoor Average flow velocity can be respectively by being arranged temperature sensor, relative humidity sensor, black ball temperature sensor indoors It is measured with air velocity transducer.
Further, the resistance of human body clothing and human-body radiating rate according to Air-conditioner design benchmark can select really with related personnel It is fixed, and the resistance of identified human body clothing and human-body radiating rate are stored in advance in memory or database.When execution this method When, it can voluntarily be obtained from memory or database.
In some embodiments, the corresponding human-body radiating rate of indoor different Activity Types can refer to table 1.
Table 1
Further, in some embodiments, human body clothing resistance can refer to table 2.
Table 2
Step S2, according to current indoor parameter and human parameters, current expected evenly heat evaluation number is determined.
Specifically, being currently expected evenly heat evaluation number, it can use measured current indoor air themperature, work as cup Interior relative humidity, current indoor mean radiant temperature, current indoor average flow velocity, the resistance of human body clothing and human-body radiating rate, And the reduction formula of expected evenly heat evaluation number is combined to be calculated.
Wherein, currently expected evenly heat evaluation number can be calculated by the following formula to obtain.
Wherein, PMV (k) indicates current expected evenly heat evaluation number, and M (k) indicates human-body radiating rate, and W (k) indicates people Body activity extra heat dissipation, Pa(k) air vapor partial pressure, t are indicateda(k) current indoor air themperature, f are indicatedcl(k) it indicates Clothing area factor, tcl(k) garment surface temperature is indicated,Indicate current indoor mean radiant temperature, hc(k) convection current is indicated The coefficient of heat transfer.
Further, air vapor partial pressure can be acquired by the following formula:
Wherein,Indicate current indoor relative humidity.
Further, clothing area factor fcl(k) it can be acquired by the following formula:
Wherein, Icl(k) resistance of human body clothing is indicated.
Further, garment surface temperature tcl(k) it can be acquired by the following formula:
Further, convection transfer rate hc(k) it can be acquired by the following formula:
Wherein, var(k) current indoor average flow velocity is indicated.
It should be noted that k indicates the kth moment, the signified current indoor air themperature of the present invention, current indoor are relatively wet Degree, current indoor mean radiant temperature, current indoor average flow velocity refer both to a certain moment, such as the kth moment.
Therefore, joint (1 formula)~(5 formula) can calculate current expected evenly heat evaluation number.
Step S3, according to current expected evenly heat evaluation number, the control model of tail end of central air conditioner air-supply is selected.
Specifically, first obtaining current expected evenly heat evaluation number deviation according to current expected evenly heat evaluation number； Then, based on current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected.
Wherein, currently expected evenly heat evaluation number deviation can be by being currently expected evenly heat evaluation number and being expected flat The setting value of soaking evaluation number is compared acquisition.If currently expected evenly heat evaluation number deviation is e (k), it is contemplated that flat The setting value of soaking evaluation number is PMVset, then:
E (k)=PMV (k)-PMVset。
Further, pmv value and human thermal sensation have following relationship:
Table 3.PMV metrics evaluation
Therefore, determining PMV setting value can choose according to upper table, generally, in the actual environment to be neutral, therefore, PMVsetWhen being set as 0, it is considered to be hot the most comfortable state, therefore PMVsetIt usually may be set to 0.
Further, the control model of tail end of central air conditioner air-supply includes Fuzzy Control Model and PID control mode.
It is expected evenly heat evaluation number deviation based on current, the selection to the control model of tail end of central air conditioner air-supply, Specifically it is referred to Fig. 2.
As shown in Fig. 2, can specifically include step S201, step S202 and step S203.
Step S201, current expected evenly heat evaluation number deviation is compared with reference value, is judged current expected Whether evenly heat evaluation number deviation is greater than parameter value.
If step S202, currently expected evenly heat evaluation number deviation is greater than reference value, Fuzzy Control Model is selected.
If step S203, currently expected evenly heat evaluation number deviation is less than reference value, PID control model is selected.
Wherein, current expected evenly heat evaluation number deviation is compared with reference value, it is current expected average to take The absolute value for commening valence bias of index number value warmly is compared with reference value.The reference value is generally chosen by empirical method and is determined.
Further, if currently expected evenly heat evaluation number deviation is greater than reference value, illustrate that PMV evaluation hotness exists Except partially warm and cooler range, Fuzzy Control Model is selected；If currently expected evenly heat evaluation number deviation is less than or equal to Reference value illustrates that PMV evaluation hotness within the scope of partially warm and cooler, selects PID control mode.
Step S4, according to selected control model, the running frequency of central air conditioner end air machine is controlled.
As shown in figure 3, in some embodiments, if the control model of tail end of central air conditioner air-supply is Fuzzy Control Model, Then according to selected control model, control central air conditioner end air machine running frequency include: step S301, step S302, Step S303, step S304, step S305 and step S306.
Step S301, according to current expected evenly heat evaluation number deviation, the inclined of expected evenly heat evaluation number is obtained Poor change rate.
Specifically, the deviation variation rate of expected evenly heat evaluation number be current expected evenly heat evaluation number deviation with The difference of the expection evenly heat evaluation number deviation of last moment.
IfFor the deviation variation rate of expected evenly heat evaluation number, thenE (k-1) is upper The expection evenly heat evaluation number deviation at one moment.
Step S302, it based on current expected evenly heat evaluation number deviation, obtains and refers to current expected evenly heat evaluation The corresponding first fuzzy language set of number deviation.
In some embodiments, the first fuzzy language collection is combined into that { honest PB hits exactly PM, and just small PS, zero ZE bear small NS, bears Middle NM bears big NB }, from the foregoing it will be appreciated that PMVsetIt is usually set to 0, then has e (k)=PMV (k), therefore, the first fuzzy language collection Items respectively represent { heat warms up, partially warm, moderate, cooler, cool, cold } 7 kinds of feelings in conjunction.
Step S303, the deviation variation rate based on expected evenly heat evaluation number obtains and expected evenly heat evaluation number The corresponding second fuzzy language set of deviation variation rate.
In some embodiments, the second fuzzy language collection be combined into and be taken as honest PB hits exactly PM, zero ZE, and bear in NM, bear big NB}.Items respectively represent 5 kinds of { positive variation rapidly, positive change is unchanged, and negative sense changes, and negative sense changes rapidly } in set PMV deviation variation rate.
Step S304, according to the first fuzzy language set and the second fuzzy language set, in conjunction with the mould of fan operation frequency Language set is pasted, fan operation frequency control table is established.
Specifically, the fuzzy language collection of fan operation frequency is combined into { ZE, LO, ME, HI, FU }1.Every generation respectively in set 5 kinds of blower frequencies of table { 0%, 25%, 50%, 75%, 100% } adjust situation.
In some embodiments, the control table of fan operation frequency can be with reference table 4.
Table 4
Wherein, XiIt indicates e (k), YjIt indicates
It should be noted that according to the first fuzzy language set, the second fuzzy language set and fan operation frequency Fuzzy language set, the fan operation frequency control table established is to illustrate, to the second fuzzy language set in practical application Selection with the fuzzy language set of fan operation frequency and the foundation to fan operation frequency control table, need to be according to practical point Analysis and emulation adjustment obtain.
Step S305, according to fan operation frequency control table, the target operating frequency of central air conditioner end air machine is obtained.
Step S306, it is based on target operating frequency, controls the running frequency of central air conditioner end air machine.
Specifically, can directly be adjusted according to acquired target operating frequency after the target operating frequency for obtaining blower The running frequency of central air conditioner end air machine makes the actual running frequency of central air conditioner end air machine can achieve object run Frequency, to guarantee the thermal comfort of indoor environment.
Further, when selecting control model for PID control mode, directly blower can be transported with reference to PID control mode Control is adjusted in line frequency, wherein the specific control mode of PID control mode is not made specifically referring to usual manner, the present invention It is required that and limiting.
With reference to Fig. 4, the present invention also provides a kind of tail end of central air conditioner air-supply composite control apparatus.
The control device can be used to implement tail end of central air conditioner air-supply composite control method disclosed by the embodiments of the present invention.
As shown in figure 4, the tail end of central air conditioner air-supply composite control apparatus include: acquiring unit 401, determination unit 402, Selecting unit 403, control unit 404.
Acquiring unit 401, for obtaining current indoor parameter and human parameters.Current indoor parameter includes: current indoor Air themperature, current indoor relative humidity, current indoor mean radiant temperature and current indoor average flow velocity, human parameters It include: the resistance of human body clothing and human-body radiating rate.
Determination unit 402, for determining that current expected evenly heat evaluation refers to according to current indoor parameter and human parameters Number.
Selecting unit 403, for selecting the control of tail end of central air conditioner air-supply according to current expected evenly heat evaluation number Mode.
Control unit 404, for controlling the running frequency of central air conditioner end air machine according to selected control model.
Further, selecting unit 403 is specifically used for:
According to current expected evenly heat evaluation number, current expected evenly heat evaluation number deviation is obtained.
Based on current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected.
Further, the control model of tail end of central air conditioner air-supply includes Fuzzy Control Model and PID control mode.The choosing Unit 403 is selected to be specifically used for:
Current expected evenly heat evaluation number deviation is compared with reference value, judges current expected evenly heat evaluation Whether bias of index number value is greater than parameter value.
If currently expected evenly heat evaluation number deviation is greater than reference value, Fuzzy Control Model is selected.
If currently expected evenly heat evaluation number deviation is less than reference value, PID control mode is selected.
Further, when the control model of tail end of central air conditioner air-supply is Fuzzy Control Model, control unit 404 is specific For:
According to current expected evenly heat evaluation number deviation, the deviation variation rate of expected evenly heat evaluation number is obtained.
Based on current expected evenly heat evaluation number deviation, obtain and current expected evenly heat evaluation number deviation pair The the first fuzzy language set answered.
Based on the deviation variation rate of expected evenly heat evaluation number, the change of error with expected evenly heat evaluation number is obtained The corresponding second fuzzy language set of rate.
According to the first fuzzy language set and the second fuzzy language set, in conjunction with the fuzzy language collection of fan operation frequency It closes, establishes fan operation frequency control table.
According to fan operation frequency control table, the target operating frequency of central air conditioner end air machine is obtained.
Based on target operating frequency, the running frequency of central air conditioner end air machine is controlled.
Further, the present invention also provides a kind of electronic equipment, which includes processor, and processor is for executing Tail end of central air conditioner air-supply composite control method disclosed by the embodiments of the present invention is realized when the computer program stored in memory The step of.
Further, the present invention also provides a kind of storage medium, it is stored thereon with computer program, the computer program quilt Processor realizes the step of tail end of central air conditioner air-supply composite control method disclosed by the embodiments of the present invention when executing.
Above embodiments only technical concepts and features to illustrate the invention, its object is to allow person skilled in the art Scholar can understand the contents of the present invention and implement accordingly, can not limit the scope of the invention.It is all to be wanted with right of the present invention The equivalent changes and modifications that range is done are sought, should belong to the covering scope of the claims in the present invention.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (11)

  1. The composite control method 1. a kind of tail end of central air conditioner is blown characterized by comprising
    Obtain current indoor parameter and human parameters；The current indoor parameter includes: current indoor air themperature, current indoor Relative humidity, current indoor mean radiant temperature and current indoor average flow velocity, the human parameters include: the resistance of human body clothing With human-body radiating rate；
    According to the current indoor parameter and human parameters, current expected evenly heat evaluation number and its deviation are determined；
    According to the current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected；
    According to selected control model, the running frequency of central air conditioner end air machine is controlled.
  2. The composite control method 2. tail end of central air conditioner according to claim 1 is blown, which is characterized in that
    It is described according to the current expected evenly heat evaluation number, select the control model of tail end of central air conditioner air-supply to include:
    According to the current expected evenly heat evaluation number, current expected evenly heat evaluation number deviation is obtained；
    Based on the current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected.
  3. The composite control method 3. tail end of central air conditioner according to claim 2 is blown, which is characterized in that the central air-conditioning The control model of end air-supply includes Fuzzy Control Model and PID control mode；
    It is described to be based on the current expected evenly heat evaluation number deviation, select the control model packet of tail end of central air conditioner air-supply It includes:
    The current expected evenly heat evaluation number deviation is compared with reference value, judges the current expected evenly heat Whether evaluation number deviation is greater than the parameter value；
    If the current expected evenly heat evaluation number deviation is greater than the reference value, Fuzzy Control Model is selected；
    If the current expected evenly heat evaluation number deviation is less than the reference value, PID control mode is selected.
  4. The composite control method 4. tail end of central air conditioner according to claim 1 is blown, which is characterized in that the central air-conditioning The control model of end air-supply is Fuzzy Control Model；
    It is described according to selected control model, the running frequency for controlling central air conditioner end air machine includes:
    According to the current expected evenly heat evaluation number deviation, the deviation variation rate of expected evenly heat evaluation number is obtained；
    Based on the current expected evenly heat evaluation number deviation, acquisition and the current expected evenly heat evaluation number deviation It is worth corresponding first fuzzy language set；
    Based on the deviation variation rate of the expected evenly heat evaluation number, the deviation of acquisition and the expected evenly heat evaluation number The corresponding second fuzzy language set of change rate；
    According to the first fuzzy language set and the second fuzzy language set, in conjunction with the fuzzy language of fan operation frequency Set, establishes fan operation frequency control table；
    According to the fan operation frequency control table, the target operating frequency of central air conditioner end air machine is obtained；
    Based on the target operating frequency, the running frequency of the central air conditioner end air machine is controlled.
  5. The composite control method 5. tail end of central air conditioner according to claim 1 is blown, which is characterized in that the current expection Evenly heat evaluation number is obtained by the following formula:
    Wherein, M (k) indicates human-body radiating rate, and W (k) indicates physical activity extra heat dissipation, Pa(k) air vapor partial pressure is indicated Power, ta(k) current indoor air themperature, f are indicatedcl(k) clothing area factor, t are indicatedcl(k) garment surface temperature is indicated,Indicate current indoor mean radiant temperature, hc(k) convection transfer rate is indicated.
  6. The composite control apparatus 6. a kind of tail end of central air conditioner is blown characterized by comprising
    Acquiring unit, for obtaining current indoor parameter and human parameters；The current indoor parameter includes: current indoor air Temperature, current indoor relative humidity, current indoor mean radiant temperature and current indoor average flow velocity, the human parameters It include: the resistance of human body clothing and human-body radiating rate；
    Determination unit, for according to the current indoor parameter and human parameters, determine current expected evenly heat evaluation number and Its deviation；
    Selecting unit, for selecting tail end of central air conditioner air-supply according to the current expected evenly heat evaluation number deviation Control model；
    Control unit, for controlling the running frequency of central air conditioner end air machine according to selected control model.
  7. The composite control apparatus 7. tail end of central air conditioner according to claim 6 is blown, which is characterized in that the selecting unit It is specifically used for:
    According to the current expected evenly heat evaluation number, current expected evenly heat evaluation number deviation is obtained；
    Based on the current expected evenly heat evaluation number deviation, the control model of tail end of central air conditioner air-supply is selected.
  8. The composite control apparatus 8. tail end of central air conditioner according to claim 7 is blown, which is characterized in that the central air-conditioning The control model of end air-supply includes Fuzzy Control Model and PID control mode；
    The selecting unit is specifically used for:
    The current expected evenly heat evaluation number deviation is compared with reference value, judges the current expected evenly heat Whether evaluation number deviation is greater than the parameter value；
    If the current expected evenly heat evaluation number deviation is greater than the reference value, Fuzzy Control Model is selected；
    If the current expected evenly heat evaluation number deviation is less than the reference value, PID control mode is selected.
  9. The composite control apparatus 9. tail end of central air conditioner according to claim 6 is blown, which is characterized in that the central air-conditioning The control model of end air-supply is Fuzzy Control Model；
    Described control unit is specifically used for:
    According to the current expected evenly heat evaluation number deviation, the deviation variation rate of expected evenly heat evaluation number is obtained；
    Based on the current expected evenly heat evaluation number deviation, acquisition and the current expected evenly heat evaluation number deviation It is worth corresponding first fuzzy language set；
    Based on the deviation variation rate of the evenly heat evaluation number, the change of error with the expected evenly heat evaluation number is obtained The corresponding second fuzzy language set of rate；
    According to the first fuzzy language set and the second fuzzy language set, in conjunction with the fuzzy language of fan operation frequency Set, establishes fan operation frequency control table；
    According to the fan operation frequency control table, the target operating frequency of central air conditioner end air machine is obtained；
    Based on the target operating frequency, the running frequency of the central air conditioner end air machine is controlled.
  10. 10. a kind of electronic equipment, which is characterized in that including processor, the processor is based on executing and storing in memory It is realized when calculation machine program such as the step of any one of claim 1-5 the method.
  11. 11. a kind of storage medium, is stored thereon with computer program, which is characterized in that the computer program is held by processor It is realized when row such as the step of any one of claim 1-5 the method.
CN201910584923.9A 2019-07-01 2019-07-01 Tail end of central air conditioner air-supply composite control method, device and electronic equipment Pending CN110425701A (en)

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Application publication date: 20191108