CN104613597B - Energy-efficient air conditioner group control method and control device, air-conditioner set - Google Patents
Energy-efficient air conditioner group control method and control device, air-conditioner set Download PDFInfo
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- CN104613597B CN104613597B CN201510028931.7A CN201510028931A CN104613597B CN 104613597 B CN104613597 B CN 104613597B CN 201510028931 A CN201510028931 A CN 201510028931A CN 104613597 B CN104613597 B CN 104613597B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000007613 environmental effect Effects 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 25
- 238000004378 air conditioning Methods 0.000 claims abstract description 15
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000001186 cumulative effect Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 7
- 238000010792 warming Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Feedback Control In General (AREA)
Abstract
The present invention discloses a kind of energy-efficient air conditioner group control method and control device, air-conditioner set.The energy-efficient air conditioner group control method includes：Step S1：Local external environmental information is obtained, and local external environmental information is handled, feedforward control parameter information is obtained；Step S2：Feedforward control parameter information is sent into air-conditioner set feedback control loop, the control parameter in air-conditioner set feedback control loop is adjusted according to feedforward control parameter information.According to the energy-efficient air conditioner group control method of the present invention, the ability for making air-conditioning have adaptive environment, it is possible to increase the operational effect of air-conditioning, control efficiency is high.
Description
Technical field
The present invention relates to air-conditioning system Integral Control Technology field, in particular to a kind of energy-efficient air conditioner group
Control method and control device, air-conditioner set.
Background technology
Environment temperature or leaving water temperature are detected using temperature sensor mostly during operation of air conditioner, with design temperature progress pair
Than with reference to current heating, cooling speed, determining the operational mode or operation power of air-conditioning.
Such control program is applied to different environment can be because environment difference causes operation of air conditioner effect, operational efficiency production
Give birth to very big difference, it is impossible to the change of environment is adapted to according to concrete application scene, causes operation of air conditioner effect under some environment poor,
Efficiency is low.
The content of the invention
A kind of energy-efficient air conditioner group control method and control device, air-conditioner set are provided in the embodiment of the present invention, made
Air-conditioning has the ability of adaptive environment, it is possible to increase the operational effect of air-conditioning, and control efficiency is high.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of energy-efficient air conditioner group control method, including：
Step S1：Local external environmental information is obtained, and local external environmental information is handled, feedforward control parameter letter is obtained
Breath；Step S2：Feedforward control parameter information is sent into air-conditioner set feedback control loop, according to feedforward control parameter information
Control parameter in air-conditioner set feedback control loop is adjusted.
Preferably, step S2 includes：Step S21：It is determined that actual operation parameters and the object run of current control object
Deviation between parameter；Step S22：The deviation is overlapped with feedforward control parameter, and it is variable as input parameter progress
The PID arithmetic of parameter；Step S23：Control parameter after PID arithmetic is handled is applied in control object and is controlled.
Preferably, energy-efficient air conditioner group control method also includes：Before air-conditioner set operation, periphery is obtained empty
The operational factor of tune, and the operational factor got is introduced in air-conditioner set by PID arithmetic, current control object is carried out
Control.
Preferably, step S2 also includes：During feedback control loop is run, by the volume of current control object
And its influence of the volume characteristics to the operational factor of air-conditioner set is added up, and the operation according to cumulative information to air-conditioner set
Parameter is adjusted.
Preferably, the influence of the volume and its volume characteristics of current control object to the operational factor of air-conditioner set passes through
Classical PID algorithm is added up, and is exported as PID operational factors to feedback control loop.
Preferably, local external environmental information includes Weather information and/or climatic information.
Preferably, step S1 includes：Current outside is obtained by network or by air-conditioner set self-sensor device
Environmental information.
Preferably, step S1 includes：Local external environmental information passing ratio controller carries out calculation process.
According to another invention of the present invention there is provided a kind of energy-efficient air conditioner group control device, including：Collection dress
Put, gather local external environmental information；Feed-forward information processor, the external environmental information that collects of processing harvester and
To feedforward control information；Variable element PID controller, receives feedforward control information, and according to feedforward control information to air conditioner
Control parameter in group feedback control loop is adjusted.
Preferably, feedback control loop includes：Control object；Variable element PID controller, for control object
Control parameter is adjusted；Sensor, obtains the actual operation parameters of control object；Comparator, by the actual fortune of control object
Row parameter is contrasted with target operating parameters, and deviation is compared in calculating；Proportional controller, enters to the deviation that comparator is calculated
Variable element PID controller is delivered to after row computing；Actuator, variable element PID controller is by deviation and feedforward control information
PID arithmetic is carried out after superposition, it is determined that the control parameter information after adjustment, is then controlled by actuator to control object.
Preferably, feedback control loop also includes derivative controller, derivative controller to the volume of control object and its
Volume characteristics are added up, and will it is accumulative after parameter be delivered to variable element PID controller.
Apply the technical scheme of the present invention, energy-efficient air conditioner group control method includes：Step S1：Obtain local outside
Environmental information, and local external environmental information is handled, obtain feedforward control parameter information；Step S2：By feedforward control
Parameter information is sent into air-conditioner set feedback control loop, and air-conditioner set feedback control is returned according to feedforward control parameter information
Control parameter in road is adjusted.By the way that external environmental information is introduced into the feedback control loop of air-conditioner set, it can disappear
Influence of portion's factor to air-conditioner set operational effect in addition thereto, reduces the power consumption of air-conditioner set, quickening air-conditioner set and reaches control
The speed of target processed, improves the stability of air-conditioner set operation, makes air-conditioner set more energy-conservation, comfortable, reacts rapider.
Brief description of the drawings
Fig. 1 is the control principle drawing of the energy-efficient air conditioner group control method of the embodiment of the present invention；
Fig. 2 is the control flow chart of the energy-efficient air conditioner group control method of the embodiment of the present invention；
Fig. 3 is the structure principle chart of the energy-efficient air conditioner group control device of the embodiment of the present invention.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
Referring to shown in Fig. 1 and Fig. 2, embodiments in accordance with the present invention, energy-efficient air conditioner group control method includes：Step
S1：Local external environmental information is obtained, and local external environmental information is handled, feedforward control parameter information is obtained；Step
Rapid S2：Feedforward control parameter information is sent into air-conditioner set feedback control loop, according to feedforward control parameter information to sky
The control parameter in unit feedback control loop is adjusted to be adjusted.
By the way that external environmental information is introduced into the feedback control loop of air-conditioner set, these external factor pair can be eliminated
The influence of air-conditioner set operational effect, reduces the power consumption of air-conditioner set, accelerates the speed that air-conditioner set reaches control targe so that
Air-conditioner set can adapt to the change of external environment condition according to specific application scenarios, improve the stability of air-conditioner set operation, make
Air-conditioner set more energy-conservation, comfortable, reacts rapider.
Step S2 includes：Step S21：It is determined that between the actual operation parameters and target operating parameters of current control object
Deviation；Step S22：The deviation is overlapped with feedforward control parameter, and the PID for carrying out variable element as input parameter is transported
Calculate；Step S23：Control parameter after PID arithmetic is handled is applied in control object and is controlled.
The pid algorithm of variable element is used to the operation power and pattern of air-conditioner set, with reference to feedforward control parameter, made
Air-conditioner set not only considers the influence of air-conditioner set internal factor, while being also contemplated for external rings when determining current operating conditions
The factor that feedforward control parameter produced by border is impacted to operation of air conditioner effect, and these influence factors are precalculated
In the feedback control loop of air-conditioner set operation, with regard to adjusting air conditioning before these influence factors produce influence to control effect
The running status of group, so as to eliminate influence of these factors to control effect.
By adding the influence factor of external environment condition parameter in feedback control loop, air-conditioner set can be made to different
Using different operating schemes during environment cooling and warming, air-conditioner set is set to reach more preferable cooling or heating effect.While air-conditioning
Unit can constantly adjust itself control parameter by feedback control loop, so that air-conditioning moves closer to optimal cooling and warming
Control program, with minimum power consumption, reaches optimal cooling or heating effect within the most short time, reaches that air conditioner energy saving is comfortably fast
Velocity modulation is whole.
By using the pid algorithm of variable element so that air-conditioner set can preferably adapt to different environment, for not
Same running environment, air-conditioner set can deacclimatize current fortune during operation by changing itself pid control parameter
Row environment so that air-conditioner set is attained by optimal cooling and warming operational effect under a variety of environment, and towards most
Good operational effect is progressively close.
Energy-efficient air conditioner group control method also includes：Before air-conditioner set operation, the operation of periphery air-conditioning is obtained
Parameter, and the operational factor got is introduced in air-conditioner set by PID arithmetic, current control object is controlled.
When new air-conditioner set is installed and used, the operation PID ginsengs of neighbouring air-conditioning can be obtained by modes such as network or communications
Number, then can use for reference the experience of neighbouring operation of air conditioner, the optimal of air-conditioner set is quickly determined by the pid algorithm of variable element
Operational factor, so that air-conditioner set can be quickly close to optimal running effect, it is possible to increase the regulated efficiency of air-conditioner set.
Step S2 also includes：During feedback control loop is run, by the volume and its volume of current control object
Influence of the characteristic to the operational factor of air-conditioner set is added up, and the operational factor of air-conditioner set is carried out according to cumulative information
Adjustment.In actual control process, in addition to the control parameter of feedback control loop in itself, the volume of control object and
Volume characteristics can also be impacted to the operation of air-conditioner set, discounting for control object volume and volume characteristics to sky
Adjust the influence of unit, then when the operation to air-conditioner set is adjusted, the operation that may result in air-conditioner set can not be quick
Accurately achieve target operating parameters.Therefore, when being controlled by feedback control loop to the operation of air-conditioner set, also need
The volume and volume characteristics of control object are taken into account.
The present invention makes air-conditioning to add up during operation by running situation by introducing classical PID algorithm
The volume and volume characteristics of control object (such as target structures) run produced influence to air-conditioner set, and are used as PID
Operational factor is exported to feedback control loop, and then these PID operational factors are handled by variable element PID arithmetic,
And calculate new control parameter control object is controlled, air-conditioner set operational effect is produced so as to eliminate volume characteristics
Influence.
Local external environmental information includes Weather information and/or climatic information.Local external environmental information can pass through net
Network coordinates certain algorithm to obtain by air-conditioner set self-sensor device.Obtaining current weather and/or weather letter
After breath, just weather and weather can be precalculated in running state of air conditioner to the influence that operation of air conditioner is produced, at these
Influence factor just adjusts operating states of the units before producing influence to control effect, and operation of air conditioner is imitated so as to eliminate these factors
The influence of fruit.Such as southern summer then accordingly adjusts refrigeration work consumption when being transferred to fine day by the cloudy day, accelerates refrigerating speed, extension
Unit works, no matter reaching under which kind of environment, operational effect is all optimal, summer or winter, weather, changes in temperature can fast and stable reach
To design temperature.
Specifically, Weather information and/or climatic information are that passing ratio controller carries out calculation process, before being then used as
Feedback control parameter sends what is handled to variable element PID controller.When increase Weather information and/or climatic information are used as sky
, can be according to the local timely fortune to air-conditioner set of Weather information and/or climatic information after the reference information for adjusting unit operation
Row situation is made adjustment, and such as summer is entered fine by the moon, and temperature is certain to rise, if being run according to former cloudy parameter, interior must
Heat can be felt.Feedforward control is so used, the information that weather will warm is obtained, it is possible to suitably increase refrigeration work consumption, accelerates
Refrigerating speed, extension unit work.So, although ambient conditions has change, it is indoor to be stably maintained at same temperature
Degree, no matter therefore can reach under which kind of environment, operational effect is all optimal, summer or winter, weather, and changes in temperature can fast and stable
Reach design temperature.
By considering influence, the external environment condition that the volume and volume characteristics of control object are caused to air-conditioner set operation
Information runs the feedback adjustment of the influence and feedback control loop that cause to pid control parameter in itself to air-conditioner set, can be with
More comprehensively control is carried out to air-conditioner set, makes air-conditioner set that there is more preferable adaptability, there can be adaptive environment
Ability, best operational effect and operational efficiency can be reached under different usage scenarios, makes air-conditioner set with minimum
Power consumption, most fast speed on optimal stability maintenance to required control temperature spot, makes air-conditioner set more energy efficient, comfortably,
Reaction is rapider.
With reference to shown in Figure 3, embodiments in accordance with the present invention, energy-efficient air conditioner group control device includes：Collection
Device, the external environmental information for gathering locality；Feed-forward information processor, for handling the external rings that harvester is collected
Environment information simultaneously obtains feedforward control information；Variable element PID controller, is controlled for receiving feedforward control information, and according to feedforward
Information processed is adjusted to the control parameter in air-conditioner set feedback control loop.
Variable element PID controller includes derivative controller (D) and integral controller (I), and derivative controller (D) makes to have leisure
The current temperature of unit, humidity situation of change is adjusted quickly to be responded, integral controller (I) adds up each influence factor to air-conditioning
The influence that operational effect is caused, so as to eliminate the influence that weather, weather, control object volume etc. are brought to control effect.
Variable element PID controller can will include feedback control as the feedforward control information acquired in external environmental information
In the factor considered required for loop, it is possible to the pid control parameter of itself is adjusted according to feedforward control information, so that
Can be to adjust the running status of air-conditioner set in time before these external environmental factors have influence on control effect, therefore can be with
It is well adapted for current operating environment so that air-conditioner set is attained by optimal cooling and warming fortune under a variety of environment
Row effect, and it is progressively close towards best operational effect.
Feedback control loop includes：Control object；Variable element PID controller, for the control parameter to control object
It is adjusted；Sensor, key parameter obtaining the actual operation parameters of control object, the temperature, humidity such as control object；
Comparator, the actual operation parameters of control object and target operating parameters are contrasted, and deviation is compared in calculating；Ratio is controlled
Device, the deviation calculated to comparator is delivered to variable element PID controller after carrying out computing；Actuator, variable element PID controls
Device processed will carry out PID arithmetic after deviation and feedforward control information superposition, it is determined that the control parameter information after adjustment, then by holding
Row device is controlled to control object.Pass through the feedback network of feedback control loop, it may be determined that the operation of current control object
Deviation between parameter and target operating parameters, and adjusted according to the timely operational factor to control object of identified deviation
It is whole so that air-conditioner set is drawn close towards target operating parameters, so as to rapidly reach control targe.
Feedback control loop also includes derivative controller, and derivative controller enters to the volume and its volume characteristics of control object
Row is accumulative, and will it is accumulative after parameter be delivered to variable element PID controller.
Present invention also offers a kind of air-conditioner set, including above-mentioned energy-efficient air conditioner group control device.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (11)
1. a kind of energy-efficient air conditioner group control method, it is characterised in that including：
Step S1：Local external environmental information is obtained, and local external environmental information is handled, feedforward control parameter is obtained
Information；
Step S2：Feedforward control parameter information is sent into air-conditioner set feedback control loop, believed according to feedforward control parameter
Breath is adjusted to the control parameter in air-conditioner set feedback control loop, including：Step S21：It is determined that current control object
Deviation between actual operation parameters and target operating parameters；Step S22：The deviation is overlapped with feedforward control parameter,
And the PID arithmetic of variable element is carried out as input parameter；Step S23：By the control parameter effect after PID arithmetic is handled
It is controlled on to control object.
2. energy-efficient air conditioner group control method according to claim 1, it is characterised in that the high efficiency energy saving air conditioner
Unit allocation method also includes：Before air-conditioner set operation, the operational factor of periphery air-conditioning is obtained, and by the operation got
Parameter is introduced in air-conditioner set by PID arithmetic, and current control object is controlled.
3. energy-efficient air conditioner group control method according to claim 1, it is characterised in that the step S2 is also wrapped
Include：During feedback control loop is run, by the fortune of the volume and its volume characteristics of current control object to air-conditioner set
The influence of row parameter is added up, and the operational factor of air-conditioner set is adjusted according to cumulative information.
4. energy-efficient air conditioner group control method according to claim 3, it is characterised in that the appearance of current control object
The influence of product and its volume characteristics to the operational factor of air-conditioner set is added up by classical PID algorithm, and is run as PID
Parameter is exported to feedback control loop.
5. energy-efficient air conditioner group control method according to claim 1, it is characterised in that the local external environment condition
Information includes Weather information and/or climatic information.
6. energy-efficient air conditioner group control method according to claim 1, it is characterised in that the step S1 includes：
Current external environmental information is obtained by network or by air-conditioner set self-sensor device.
7. energy-efficient air conditioner group control method according to claim 1, it is characterised in that the step S1 includes：
Local external environmental information passing ratio controller carries out calculation process.
8. a kind of energy-efficient air conditioner group control device, it is characterised in that including：
Harvester, gathers local external environmental information；
Feed-forward information processor, handles the external environmental information that the harvester collects and obtains feedforward control letter
Breath；
Variable element PID controller, receives the feedforward control information, and anti-to air-conditioner set according to the feedforward control information
Control parameter in feedback control loop is adjusted.
9. energy-efficient air conditioner group control device according to claim 8, it is characterised in that the feedback control loop
Including：
Control object；
The variable element PID controller, is adjusted for the control parameter to the control object；
Sensor, obtains the actual operation parameters of the control object；
Comparator, the actual operation parameters of the control object and target operating parameters are contrasted, and deviation is compared in calculating；
Proportional controller, the deviation calculated to comparator is delivered to the variable element PID controller after carrying out computing；
Actuator, the variable element PID controller will carry out PID fortune after the deviation and the feedforward control information superposition
Calculate, it is determined that the control parameter information after adjustment, is then controlled by the actuator to the control object.
10. energy-efficient air conditioner group control device according to claim 9, it is characterised in that the feedback control is returned
Road also includes derivative controller, and the derivative controller is added up to the volume and its volume characteristics of the control object, and
Parameter after will be accumulative is delivered to the variable element PID controller.
11. a kind of air-conditioner set, including control device for air-conditioning unit, it is characterised in that the energy-efficient air conditioner group control
Device is the energy-efficient air conditioner group control device any one of claim 8 to 10.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222270B (en) * | 2015-09-16 | 2018-03-13 | 珠海格力电器股份有限公司 | Air-conditioner control method and system |
| CN105549409B (en) | 2015-12-31 | 2020-03-24 | 联想(北京)有限公司 | Control method, electronic equipment and electronic device |
| CN108526998A (en) * | 2017-03-01 | 2018-09-14 | 维嘉数控科技（苏州）有限公司 | A kind of machine tool environment control device and lathe |
| US10767887B2 (en) * | 2018-05-16 | 2020-09-08 | Mitsubishi Electric Research Laboratories, Inc. | System and method for thermal comfort control |
| CN109539359B (en) * | 2018-10-15 | 2021-08-24 | 国网辽宁省电力有限公司 | Phase-change electric heat storage heating system and method based on different working conditions PID + adaptive feedforward compensation |
| CN111397147A (en) * | 2019-01-03 | 2020-07-10 | 珠海格力电器股份有限公司 | Air conditioner control method and device and control accessory |
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