CN107143967A - One drags the control system of many photovoltaic cold storage of ice making air-conditionings - Google Patents
One drags the control system of many photovoltaic cold storage of ice making air-conditionings Download PDFInfo
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- CN107143967A CN107143967A CN201710226075.5A CN201710226075A CN107143967A CN 107143967 A CN107143967 A CN 107143967A CN 201710226075 A CN201710226075 A CN 201710226075A CN 107143967 A CN107143967 A CN 107143967A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims abstract description 37
- 230000003139 buffering effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000033228 biological regulation Effects 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 235000021061 dietary behavior Nutrition 0.000 claims description 3
- 235000006694 eating habits Nutrition 0.000 claims description 3
- 239000000872 buffer Substances 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000005482 strain hardening Methods 0.000 description 7
- 238000011217 control strategy Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009123 feedback regulation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The process of down coversion water pump, electronic regulated valve and indoor fan operation control is performed the invention discloses the control system that a kind of one drags many photovoltaic cold storage of ice making air-conditionings, including cooling circulation.Outdoor temperature T0 and indoor temperature t1, t2 in each room etc. are detected, according to the disturbance of each room indoor temperature of operation, regulation correspondence electrical adjustment valve opening and indoor fan wind speed；According to outdoor environment temperature T0 with reference to operation air-conditioned room quantity determined by subinterval, if enter disturbance temperature adjustment pattern, determine the running frequency scope of variable frequency pump；According to the summation Tm of each room indoor temperature of operation in the disturbance of affiliated interval range, the running frequency of variable frequency pump is adjusted；When outdoor temperature T0 is less than design temperature T2 or user's shutdown, into buffering noise reduction stop mode.The invention also discloses a kind of control device of air conditioner.The intelligent control that the present invention realizes the automatic stop and start of each room air conditioner and is independent of each other, with the multiple advantages such as energy-conservation, comfortable, Jing Yin.
Description
Technical field
The present invention relates to the control system that a kind of one drags many photovoltaic cold storage of ice making air-conditionings, belong to automatic control technology field.
Background technology
With social progress and expanding economy, air-conditioning turns into household electrical appliance essential during people live, especially
In extremely hot summer, air-conditioning, which turns into people, improves the necessity of livable a home from home, therefore, and air-conditioning also turns into family power consumption most
Many household electrical appliance.Cause environmental problem increasingly serious due to the extensive utilization of fossil energy, moreover, with whole world change
Warm trend is increasingly serious, and national grid pressure persistently increases, and a kind of solar energy cold accumulating device by ice is suggested, and passes through photovoltaic generation
Cold storage of ice making, can be achieved round-the-clock cooling.
In correlation technique in Control Method of Inverter Air Conditioner, the method for operation of air-conditioning circulates for refrigeration working medium and to set correlation
The frequency of temperature adjustment compressor, and drag the control system of many photovoltaic cold storage of ice making air-conditionings not widely studied for a kind of one；
Changing complicated occasion due to being used in flow of the people multi-split air conditioner more, such as hospital, office building, market public place, its
The disturbance of indoor temperature change generated in case is more frequent, in addition, complicated weather also influences indoor temperature and building to absorb；So, it is considered to
Drag many photovoltaic cold storage of ice making empty the requirement such as energy saving, comfortableness and quietness of air-conditioning system, a kind of new one to user
The control system of tune turns into the object of research always.
The content of the invention
An object of the present invention there is provided a kind of one control system for dragging many photovoltaic cold storage of ice making air-conditionings, solve：
1, the problem of the energy saving that air-conditioning system is run under weather complicated and changeable；2, the shock wave of indoor temperature and the human body caused
The problem of comfortableness is poor；3, realize the automatic stop and start of air-conditioning system and its noise problem of caused indoor assembly.
In order to solve the above-mentioned technical problem, the control method that the present invention is provided is achieved using following technical proposals：
A kind of one drags the control system of many photovoltaic cold storage of ice making air-conditionings, including cooling circulation to perform lower regulation variable frequency pump operation control
The process of system, electronic regulated valve and indoor fan operation control：
Air conditioner detects unlatching service condition, enters selected operational mode.
Described unlatching service condition is detection outdoor temperature T0, and by the outdoor environment temperature T0 and design temperature
T1, T2 are compared or whether user starts shooting, and judge whether that Dietary behavior is run, and are run if so, starting shooting and entering associative mode,
If it is not, then continuing to compare.
In the operational mode, outdoor environment temperature T0 is detected, and by outdoor environment temperature T0 and design temperature scope
[T11, T22] is compared, it is determined that affiliated subinterval, quantity is run with reference to room conditioning, both combine, and determine variable frequency pump
The traffic coverage of running frequency.
Each room temperature t1, t2 that detection has been run etc., and described each room temperature respectively run is warm with setting
Degree ts compares, according to the indoor temperature in each room and set temperature value ts size of the difference, regulation correspondence restricting element
Electronic regulated valve Gn aperture and the wind speed of correspondence indoor fan.Detect indoor temperature t1, t2 in each room of operation etc.
Summation Tm, and the summation Tm and design temperature Ts of indoor temperature t1, t2 by each room of the operation etc. be compared, root
The summation Tm and set temperature value Ts of indoor temperature t1, t2 according to each room etc. size of the difference, in affiliated frequency conversion
In the traffic coverage of water pump operation frequency, the running frequency of variable frequency pump is adjusted.
Specifically, indoor environment temperature tn and design temperature ts Difference Gradient, feedback regulation electronic regulated valve, room are set
The running status of inner blower；The summation Tm and design temperature Ts of the indoor temperature in each room run difference ladder are set
Degree, the running frequency of feedback regulation variable frequency pump.
According to above-mentioned control strategy, the automatic stop and start of complicated weather air-conditioning system are realized, use more facilitates, and enters one
Step, absorption of the outdoor environment temperature influence building to energy adjusts the running frequency of variable frequency pump with reference to outdoor environment temperature,
Further, the maximum return of energy is obtained, building energy consumption can be reduced to greatest extent.
Specifically, when the outdoor ambient temperature falls, building absorbs reduction, to keep the comfortableness of ambient temperature, frequency conversion
The running frequency of water pump is corresponding to be lowered.When outdoor environment temperature is raised, building absorption is uprised, to keep relaxing for ambient temperature
Adaptive, the running frequency of variable frequency pump is corresponding to be increased.
According to above-mentioned air-conditioner control system, it is characterised in that each room temperature t1, t2 for having run of detection etc. it
Afterwards, specifically also comprise the following steps：
When any indoor environment temperature tn run is more than design temperature ts, the indoor environment temperature tn and setting
The absolute value △ t of temperature ts difference are compared with the first setting difference △ t1, when the absolute difference △ t are more than first
When setting difference △ t1, electrical adjustment valve opening increase, indoor fan accelerates, when the absolute difference △ t are less than or equal to the
During one setting difference △ t1, electrical adjustment valve opening, indoor fan keep constant；When any indoor environment run
When temperature tn is less than design temperature ts, the absolute value △ t and first of the difference of the indoor environment temperature tn and design temperature ts
Setting difference △ t1 are compared, when the absolute difference △ t are more than the first setting difference △ t1, electrical adjustment valve opening
Reduce, indoor fan slows down, when the absolute difference △ t are less than or equal to the first setting difference △ t1, electronic regulated valve is opened
Degree, indoor fan keep constant.
In addition, also including, when the summation Tm of indoor temperature t1, t2 in each room of operation etc. is more than design temperature Ts
When, the absolute value △ T and second of the summation Tm and design temperature Ts of the indoor temperature in each room of the operation difference
Setting difference △ T1 are compared, and when the absolute value △ T of the difference are more than the second setting difference △ T1, raise variable frequency pump
Running frequency, when the difference absolute value △ T be less than or equal to second setting difference △ T1 when, variable frequency pump running frequency protect
Hold constant；When the summation Tm of indoor temperature t1, t2 in each room of operation etc. is less than in design temperature Ts, the operation
The absolute value △ T of the summation Tm and design temperature Ts of the indoor temperature in each room difference enter with the second setting difference △ T1
Row compares, and when the absolute value △ T of the difference are more than the first setting difference △ t1, reduces the running frequency of variable frequency pump, when
When the absolute value △ T of the difference are less than or equal to the second setting difference △ T1, variable frequency pump running frequency keeps constant.
Specifically, the design temperature Ts is underrange and corresponded with the quantity in the room of operation.
According to above-mentioned control strategy, by setting indoor temperature change generated in case gradient and detection time gradient, timing disturbance is seen
The control method of the change of indoor temperature is examined, indoor temperature disturbance causes comfortable caused by effectively solving the problems such as the stream of people
Property difference the problem of.
According to air-conditioner control system as described above, in control electrical adjustment valve opening, indoor fan rotating speed and frequency conversion
After the running frequency of water pump, specifically also comprise the following steps：
When the variable frequency pump is less than frequency setting value fmin, the variable frequency pump frequency, electrical adjustment valve opening and interior
Rotation speed of fan is run with its last moment run mode, and after certain delay, into buffering noise reduction stop mode；
When the variable frequency pump is higher than frequency setting value fmax, the variable frequency pump frequency, electrical adjustment valve opening and interior
Rotation speed of fan is run with its last moment run mode.
When the variable frequency pump frequency setting value fmin is that single room is run, the minimum value in outdoor environment temperature subinterval
Corresponding variable frequency pump running frequency, when frequency water pump frequency setting value fmax is that all rooms are run, outdoor environment temperature
Variable frequency pump running frequency corresponding to interval maximum.
According to air-conditioner control system as described above, it is characterised in that after buffering noise reduction stop mode is entered, specifically
Also comprise the following steps：The variable frequency pump frequency, electrical adjustment valve opening and indoor fan is kept to continue last moment operation
State is run, to its run time timing, while obtaining each indoor environment temperature t1, t2 run etc.；The run time
Not up to setting time when, if any indoor environment temperature tn meets stop condition, control the corresponding electronic regulated valve to open
Degree reduces, and the corresponding indoor fan is out of service, and variable frequency pump running frequency subregion correspondence is reduced, if it is not, the correspondence
Electrical adjustment valve opening and indoor fan with first setting run mode run.To run time timing, if the run time
When not up to setting run time, each indoor environment temperature is obtained, if any indoor environment temperature tn meets stop condition, is controlled
Make the corresponding electrical adjustment valve opening to reduce, the corresponding indoor fan is out of service, variable frequency pump running frequency point
Area's correspondence is reduced；When the run time reaches setting run time, the corresponding electrical adjustment valve opening is controlled to reduce, institute
State corresponding indoor fan out of service, variable frequency pump running frequency subregion correspondence is reduced；When each interior correspondence electrical adjustment
When valve and indoor fan out of service, variable frequency pump is closed；If it is not, then exiting buffering noise reduction stop mode.
According to above-mentioned control strategy, by time-delay closing variable frequency pump, electronic regulated valve and indoor fan, while sensing chamber
The control method of interior temperature change, so as to effectively solve the noise problem caused by frequently stop and start.
According to air-conditioner control system as described above, it is characterised in that the variable frequency pump running frequency subregion correspondence drops
It is low, it is embodied in, the variable frequency pump running frequency combines what is determined with operation of air conditioner room sum and outdoor environment temperature
Subinterval is corresponded, i.e., when the operation of any amount indoor air conditioner, outdoor environment temperature, current variable frequency pump running frequency
The interval operation belonging to respective frequencies.
According to air-conditioner control system as described above, it is characterised in that the setting run time is fixed value, described
Design temperature is variable value, and described first sets running status as low consumption running status.
Compared with prior art, one the control system of many cold storage of ice making air-conditionings is dragged what the present invention was provided, it is of the invention
Innovation is：
1, by performing the control to outdoor variable frequency pump running frequency, including 2 groups of corresponding subintervals：Outdoor environment temperature joins
Close the total of subinterval control variable frequency pump running frequency belonging to indoor operation air-conditioning quantity and each indoor environment temperature t1, t2
Variable frequency pump running frequency is controlled with the subinterval belonging to Tm；Jointly control strategy realization pair by what 2 groups of subintervals were combined
Outdoor variable frequency pump running frequency regulation；Change and each indoor environment temperature t1, t2 summation by outdoor environment temperature
Change be combined jointly control strategy realize to outdoor variable frequency pump running frequency adjust, to greatest extent lower building energy
Consumption, realizes the maximization of energy gain, meets energy saving requirement of the user to air-conditioning.
2, by performing the control to a certain room indoor fan rotating speed and correspondence electronic regulated valve, to adjust the stream of cycle fluid
Amount, so as to adjust the unstable disturbance of indoor environment temperature, effectively realizes indoor temperature and is maintained at comfortable scope, it is to avoid because
The influence of the factors such as the stream of people causes indoor temperature unstable, in turn results in the problem of Thermal comfort is poor, passes through outdoor environment temperature
It is accurate quick that what the change of degree and the change of each indoor environment temperature t1, t2 summation were combined jointly controls strategy realization
Indoor temperature is adjusted, and is finally improved the accurate control to single room temperature, is met user to the comfortable of indoor environment temperature
Property require.
3, controlled by performing to combine single room indoor fan, electronic regulated valve and variable frequency pump, slowly adjust circulation industrial
The flow of matter；The noiseless shutdown to each room indoor fan, electronic regulated valve is realized exactly, it is to avoid because of indoor set fuselage
The temperature difference is larger between the temperature and indoor environment of the parts such as structural member, indoor heat exchanger causes part distortion, is made an uproar caused by
Mail is inscribed, and meets requirement of the user to the Jing Yin performance of air-conditioning.
Brief description of the drawings
Fig. 1 drags the schematic flow sheet of many photovoltaic cold storage of ice making air-conditioner control system embodiments for the present invention one.
Fig. 2 drags the stream that noise reduction stop mode is buffered in many photovoltaic cold storage of ice making air-conditioner control system embodiments for the present invention one
Journey schematic diagram.
Fig. 3 drags the structural representation of many photovoltaic cold storage of ice making air-conditioner control systems for the present invention one.
Fig. 4 is dragged in many photovoltaic cold storage of ice making air-conditioner control system embodiments by outdoor environment temperature and air-conditioning for the present invention one
Run the variable frequency pump running frequency block plan that quantity is determined.
Fig. 5 drags in many photovoltaic cold storage of ice making air-conditioner control system embodiments outdoor environment temperature 10 ~ 20 for the present invention one
3 air-conditioned rooms frequency conversion water pump operation frequency variation diagram when operationally indoor temperature is disturbed in DEG C interval.
Specific practising way
In order that use, technical scheme and the advantage of the present invention are more clearly understood, below with reference to drawings and examples, to this
Invention is described in further detail.
It should be appreciated that specific implementation case described herein is used only for explaining the present invention, it is not used to limit this hair
It is bright.
It should be noted that for those of ordinary skills, air conditioner is specifically included shown in Fig. 3, the figure institute
It is shown as the present invention one and drags many structural representations to photovoltaic cold storage of ice making air-conditioner control system one embodiment, specifically includes frequency conversion
Water pump 1., cold-accumulating box 2., electronic regulated valve 3., indoor fan 4., temperature sensor 5., air-conditioner controller 6..
The control method of air-conditioning system according to embodiments of the present invention is described referring to Fig. 1-Fig. 2.
As shown in Figure 1, 2, the control method of air-conditioning system according to embodiments of the present invention, the embodiment realizes that one drags light more
Lie prostrate cold storage of ice making air-conditioner control system variable frequency pump 1., the control of electronic regulated valve 3. with indoor fan 4., including cooling circulation
Perform lower regulation variable frequency pump and 1. run the process that 4. 3. control, electronic regulated valve run control with indoor fan, specifically include
Following steps：
Step 100：Detect outdoor environment temperature T0, the outdoor environment temperature detected and design temperature T1, T2 be compared or
Whether user starts shooting, when outdoor environment temperature T0 is more than design temperature T1 or detects user's power-on command, Dietary behavior fortune
OK, now, 1., electronic regulated valve is 3. with indoor fan 4. all with first setting run mode operation a period of time for variable frequency pump；Tool
Body, including：1. the variable frequency pump is run with the first setpoint frequency, controls the corresponding restricting element electronic regulated valve Gn
3. opened with the first setting aperture, control the corresponding indoor fan 4. to be run with the first wind speed setting, changed cold working medium and pass through
Variable frequency pump 1., restricting element electronic regulated valve 3., flow through indoor heat exchanger heat absorption to cool to indoor environment, work as frequency conversion
Water pump 1. with high-frequency work when, change that cold working medium flow is larger, the refrigeration of air-conditioning preferably, when variable frequency pump is 1. with low frequency operation
When, change that cold working medium flow is smaller, the refrigeration reduction of air-conditioning.Running status when this operational mode is opens, air-conditioning control
6. device processed will accurately be controlled on the basis of this.Specifically, 5. outdoor environment temperature T0 can be detected using temperature sensor,
The suitable temperature that design temperature T1, T2 can be manually set due to demand.
Step 200：Under the first setting run mode, be delayed a period of time Tt, judges outdoor environment temperature and operation air-conditioning
Quantity determines affiliated subinterval, and variable frequency pump operates in the corresponding frequency in affiliated subinterval.
Step 300：Indoor temperature t1, t2, the t3 and design temperature ts in each room detected are compared, when
When each indoor environment temperature t1, t2, the t3 run is more than design temperature ts, compare the absolute value △ t and first of its difference
Difference △ t1 size is set, when the absolute difference △ t are less than the first setting difference △ t1, illustrates that indoor temperature is disturbed
Less, do not influence comfort level, electronic regulated valve 3., indoor fan 4. keep constant, return to step 200 continues executing with circulation；When
When the absolute difference △ t are more than the first setting difference △ t1, illustrate that indoor temperature is raised, and amplitude of variation is larger, influence
To the comfort level of human body, so 3. aperture increases electronic regulated valve, the flow of cold working medium is changed in increase, while 4. indoor fan adds
Speed, accelerates indoor air flows speed, improves refrigeration.
Identical, when each indoor environment temperature t1, t2, the t3 run is less than in design temperature ts, compares it poor
The setting difference △ of the absolute value △ t of value and first t1 size, when the absolute difference △ t are less than the first setting difference △ t1
When, illustrate that indoor temperature disturbance is little, do not influence comfort level, electronic regulated valve 3., indoor fan 4. keep constant, electrical adjustment
Valve 3., indoor fan 4. keep constant, return to step 100 continues executing with circulation；When the absolute difference △ t are more than first
When setting difference △ t1, illustrate indoor temperature reduction, and amplitude of variation is larger, the comfort level of human body is influenceed, so electrical adjustment
3. aperture reduces valve, reduces the flow for changing cold working medium, while 4. indoor fan slows down, slows down indoor air flows speed, reduces
Refrigeration.
Specifically, the suitable temperature that design temperature ts, the first setting difference △ t1 can be manually set due to demand.
Step 400：Indoor temperature t1, t2, the t3 in each room run summation Tm are detected simultaneously and with setting temperature
Degree Ts is compared, and when having run each room indoor environment temperature summation Tm more than design temperature Ts, compares its difference
The setting difference △ of absolute value △ T and second T1 size, when the absolute value △ T of the difference are more than the second setting difference △ T1
When, the running frequency of rise variable frequency pump 1. is accelerated to change the flow velocity of cold working medium, to meet demand of each room to refrigerating capacity；
If it is not, holding variable frequency pump running frequency is constant, return to step 200 continues executing with circulation；
In the same manner, when having run each room indoor environment temperature summation Tm less than design temperature Ts, the exhausted of its difference is compared
To the setting difference △ of value △ T and second T1 size, when the absolute value △ T of the difference are more than the second setting difference △ T1,
The running frequency of variable frequency pump 1. is reduced, slows down the flow velocity for changing cold working medium, to meet demand of each room to refrigerating capacity；If
No, holding variable frequency pump running frequency is constant, and return to step 200 continues executing with circulation.Specifically, design temperature Ts, second set
Determine the suitable temperature that difference △ T1 can be manually set due to demand.
Subinterval belonging to setting and each room indoor environment temperature are located at according to the outdoor environment temperature T0 detected
Spend summation Tm and be located at the affiliated subinterval set, the running frequency of joint control and regulation variable frequency pump 1..
Further, when 1. variable frequency pump is down to frequency setting value fmin, 1. frequency, electronic regulated valve be 3. for variable frequency pump
4. rotating speed is run with last moment run mode for aperture and indoor fan, and after certain delay, is stopped into buffering noise reduction
Only pattern；If it is not, return to step 100, continues executing with circulation.That is, when the absolute value △ T of difference are set less than second always
Difference △ T1 are determined, the running frequency of variable frequency pump 1. can be reduced gradually, until the running frequency of variable frequency pump 1. is reduced to fmin
When, variable frequency pump 1. frequency, electronic regulated valve 3. aperture and indoor fan 4. rotating speed with last moment run mode run, and warp
Cross after certain delay, into buffering noise reduction stop mode.
In the same manner, when 1. variable frequency pump is increased to frequency setting value fmax, 1. frequency, electronic regulated valve be 3. for variable frequency pump
4. rotating speed keeps last moment run mode to run for aperture and indoor fan；If it is not, return to step 100, continues executing with circulation.
That is, when the absolute value △ T of difference are more than the second setting difference △ T1, the operation frequency of variable frequency pump 1. always
Rate can gradually rise, when the running frequency of variable frequency pump 1. is increased to fmax, and frequency water pump frequency is 1., 3. electronic regulated valve open
4. rotating speed keeps last moment run mode to run for degree and indoor fan.
Step 500：After buffering noise reduction stop mode is entered, specifically also comprise the following steps：
Keep the variable frequency pump 1. frequency, electronic regulated valve 3. aperture and indoor fan 4. continue with last moment run mode transport
OK, to its run time timing, while obtaining each indoor environment temperature t1, t2 run etc.；The run time does not reach
During to setting time, if any indoor environment temperature tn meets stop condition, the corresponding electronic regulated valve 3. aperture is controlled
Reduce, the corresponding indoor fan is 4. out of service, 1. running frequency subregion correspondence is reduced variable frequency pump, if it is not, described right
3. 4. aperture and indoor fan are run the electronic regulated valve answered with the first setting run mode；If the run time reaches setting
Between, 3. 4. aperture and indoor fan continue with the first setting run mode operation corresponding electronic regulated valve；Electronic regulated valve is 3.
4. aperture and indoor fan continued with first setting run mode operation operation a period of time, when not up to setting run time,
Each indoor environment temperature is obtained, if any indoor environment temperature tn meets stop condition, the corresponding electrical adjustment is controlled
3. aperture reduces valve, and the corresponding indoor fan is 4. out of service, and 1. running frequency subregion correspondence is reduced variable frequency pump；If
No, when the run time reaches setting run time, controlling the corresponding electronic regulated valve, 3. aperture reduces, the correspondence
Indoor fan it is 4. out of service, variable frequency pump is 1. out of service.
Specifically, in any step, if any room detects user's shutdown command, enter noise reduction buffering and stop
Only pattern.
For example, outdoor turn-on temperature T1 is 24 DEG C, and outdoor shutoff temperature T2 is 20 DEG C, and running time T t is set as
5min；When outdoor temperature reaches 24 DEG C or User Defined start, system enters the first operational mode, and its operational mode is
Low consumption pattern, specifically, 3. aperture is 120 steps to restricting element electronic regulated valve, 4. rotating speed is 600r/min, frequency conversion to indoor fan
1. running frequency specifically runs quantity to water pump with room conditioning and the affiliated subinterval of outdoor environment is corresponded, with outdoor temperature
And the change of operation of air conditioner quantity, 1. running frequency correspondence changes variable frequency pump, specific as shown in Figure 4.Run after 5min, it is indoor
Temperature tn is compared with indoor design temperature, it is assumed that indoor design temperature ts is 24 DEG C（Temperature is variable value, can be human comfort's temperature
Degree）, differential temperature is set as 2 DEG C, and when indoor temperature tn is higher than setting design temperature ts and more than 2 DEG C, electronic regulated valve is 3.
Aperture is increased with 10 apertures, and 4. indoor fan is accelerated with 30r/min, per 5min circulation primaries, if being still higher by more than 2 after 5min
DEG C, then 3. aperture continues to increase electronic regulated valve with 10 apertures, and 4. indoor fan continues to accelerate with 30r/min.Variable frequency pump is 1.
Run on the basis of Fig. 4, for example, as shown in figure 5, now running status is is currently running 3 air-conditionings, 20 DEG C of outdoor environment,
Variable frequency pump running frequency is 45Hz, then the disturbance of indoor temperature can be such that variable frequency pump 1. operates between 30 ~ 75Hz, for 3
Platform operation of air conditioner, per 5min circulation primaries, if now temperature is reduced and less than indoor design temperature more than 2 DEG C, electronic regulated valve
3. aperture is reduced with 10 apertures, and 4. indoor fan is slowed down with 30r/min, and 1. running frequency reduces 9Hz to variable frequency pump, is followed per 5min
Once, if still being below design temperature after 5min and more than 2 DEG C, 3. aperture continues to reduce electronic regulated valve ring with 10 apertures,
4. indoor fan continues to slow down with 30r/min, and 1. variable frequency pump continues to reduce 9Hz.Assuming that variable frequency pump minimum operating frequency
Fmin is 10Hz, and maximum running frequency fmax is 165Hz, for single room, when variable frequency pump 1. running frequency less than minimum
During running frequency fmin, subsequently into buffering noise reduction mode, indoor fan 4., electronic regulated valve 3. etc. keep last moment operation
State is run, and obtains indoor temperature, when indoor temperature reaches that 4. design temperature is off this indoor fan, if indoor temperature is discontented
Sufficient stop condition, then continue to run with variable frequency pump after 5min 1. out of service.
Claims (7)
1. a kind of one drags the control system of many photovoltaic cold storage of ice making air-conditionings, it is characterised in that perform lower adjust including cooling circulation
The process of variable frequency pump operation control, electronic regulated valve and indoor fan operation control：Air conditioner detects unlatching service condition,
Enter selected operational mode；
Described unlatching service condition is detection outdoor temperature T0, and by the outdoor environment temperature T0 and design temperature T1, T2
It is compared or whether user starts shooting, judges whether that Dietary behavior is run, if so, start shooting and enter associative mode operation, if it is not,
Then continue to compare；
In the operational mode, detect outdoor environment temperature T0, and by outdoor environment temperature T0 and design temperature scope [T11,
T22] it is compared, it is determined that affiliated subinterval, quantity is run with reference to room conditioning, both combine, and determine that variable frequency pump is run
The traffic coverage of frequency；
Detect each room temperature t1, t2 for having run etc., and by described each room temperature respectively run and design temperature ts
Compare, according to the indoor temperature in each room and set temperature value ts size of the difference, regulation correspondence restricting element electronics
Regulating valve Gn aperture and the wind speed of correspondence indoor fan；
Detect the summation Tm of indoor temperature t1, t2 in each room etc. of operation, and by the room in each room respectively run
The summation Tm and design temperature Ts of interior temperature t1, t2 etc. are compared, according to indoor temperature t1, t2 in each room etc.
Summation Tm and set temperature value Ts size of the difference, in the traffic coverage of affiliated variable frequency pump running frequency, adjusts frequency conversion
The running frequency of water pump；
When detecting condition out of service, into buffering noise reduction stop mode.
2. air-conditioner control system according to claim 1, it is characterised in that the outdoor environment temperature T0 and design temperature
T1, T2 are compared, and are specifically included：
When detecting the outdoor environment temperature T0 more than design temperature T1, into operational mode；When detecting outdoor environment
When temperature is less than T2, into buffering noise reduction stop mode.
3. air-conditioner control system according to claim 1, it is characterised in that each room temperature run in detection
After t1, t2 etc., specifically also comprise the following steps：
When described each indoor environment temperature t1, t2 run etc. is more than design temperature ts, the indoor environment temperature t1,
The absolute value △ t of t2 etc. and design temperature ts difference are compared with the first setting difference △ t1, when the absolute difference
When △ t are more than the first setting difference △ t1, the increase of electrical adjustment valve opening, indoor fan accelerates, as the absolute difference △ t
During less than or equal to the first setting difference △ t1, electrical adjustment valve opening, indoor fan keep constant；When it is described run it is each
When individual indoor environment temperature t1, t2 etc. are less than design temperature ts, described indoor environment temperature t1, t2 etc. and design temperature ts difference
The absolute value △ t of value are compared with the first setting difference △ t1, when the absolute difference △ t are more than the first setting difference △
During t1, electrical adjustment valve opening reduces, and indoor fan slows down, when the absolute difference △ t are less than the first setting difference △ t1
When, electrical adjustment valve opening, indoor fan keep constant；
In addition, also include, the summation Tm and design temperature Ts of indoor temperature t1, t2 in each room run etc. difference
Absolute value △ T are compared with the second setting difference △ T1, when the absolute value △ T of the difference are less than the second setting difference △ T1
When, reduce the running frequency of variable frequency pump；When the absolute value △ T of the difference are more than the first setting difference △ t1, reduction becomes
The running frequency of frequency water pump；If it is not, then continuing more described indoor environment temperature t1, t2 etc. and design temperature ts size.
4. air-conditioner control system according to claim 2, it is characterised in that in control electrical adjustment valve opening, indoor wind
After the running frequency of machine rotating speed and variable frequency pump, specifically also comprise the following steps：
When the variable frequency pump is less than frequency setting value fmin, the variable frequency pump frequency, electrical adjustment valve opening and interior
Rotation speed of fan is run with last moment run mode, and after certain delay, into buffering noise reduction stop mode；
When the variable frequency pump is higher than frequency setting value fmax, the variable frequency pump frequency, electrical adjustment valve opening and interior
Rotation speed of fan is run with last moment run mode.
5. air-conditioner control system according to claim 2, it is characterised in that after buffering noise reduction stop mode is entered,
Specifically also comprise the following steps：
The variable frequency pump frequency, electrical adjustment valve opening and indoor fan wind speed is kept to continue to transport with last moment run mode
OK, to its run time timing, while obtaining each indoor environment temperature t1, t2 run etc.；The run time does not reach
During to setting time, if any indoor environment temperature tn meets stop condition, the corresponding electrical adjustment valve opening is controlled to subtract
Small, the corresponding indoor fan is out of service, and variable frequency pump running frequency subregion correspondence is reduced, if it is not, the corresponding electricity
Sub- control valve opening and indoor fan are with the first setting run mode operation；
To run time timing, if the run time is not up to setting run time, each indoor environment temperature is obtained, if
Any indoor environment temperature tn meets stop condition, controls the corresponding electrical adjustment valve opening to reduce, the corresponding room
Inner blower is out of service, and variable frequency pump running frequency subregion correspondence is reduced；If it is not, the run time reaches setting run time
When, control the corresponding electrical adjustment valve opening to reduce, the corresponding indoor fan is out of service, variable frequency pump operation frequency
Rate subregion correspondence is reduced.
6. air-conditioner control system according to claim 5 buffers noise reduction stop mode, it is characterised in that the variable frequency pump
Running frequency subregion correspondence is reduced, and is embodied in, and the variable frequency pump running frequency is and operation of air conditioner room sum and room
The subinterval that external environment temperature joint is determined is corresponded, i.e., when any amount indoor air conditioner is out of service, outdoor environment temperature
When spending, current variable frequency pump running frequency drops to interval operation belonging to respective frequencies.
7. air-conditioner control system according to claim 5 buffers noise reduction stop mode, it is characterised in that the setting operation
Time is fixed value.
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| CN113339906A (en) * | 2021-05-27 | 2021-09-03 | 青岛海尔空调器有限总公司 | Cold accumulation type air conditioning fan and control method thereof |
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| CN114777237A (en) * | 2022-05-05 | 2022-07-22 | 美的集团武汉制冷设备有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
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| CN114198877A (en) * | 2021-12-17 | 2022-03-18 | 珠海拓芯科技有限公司 | Energy-saving control method and device for variable-frequency air conditioner, air conditioner and storage medium |
| CN114198877B (en) * | 2021-12-17 | 2023-09-22 | 珠海拓芯科技有限公司 | Energy-saving control method and device for variable frequency air conditioner, air conditioner and storage medium |
| CN114777237A (en) * | 2022-05-05 | 2022-07-22 | 美的集团武汉制冷设备有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
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