CN103542489B - The control method of air-conditioning system, Apparatus and system - Google Patents
The control method of air-conditioning system, Apparatus and system Download PDFInfo
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- CN103542489B CN103542489B CN201210242196.6A CN201210242196A CN103542489B CN 103542489 B CN103542489 B CN 103542489B CN 201210242196 A CN201210242196 A CN 201210242196A CN 103542489 B CN103542489 B CN 103542489B
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Abstract
The invention discloses a kind of control method of air-conditioning system, Apparatus and system.Wherein, the method comprises: step S1, obtains the operational factor of air-conditioning system; Step S2, carries out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor; Step S3, carries out calculation process respectively to each regulation and control scheme, to obtain Energy Efficiency Ratio average with the air-conditioning system corresponding to each regulation and control scheme; Step S4, searches for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of each air-conditioning system, to obtain and the first regulation and control scheme corresponding to the highest average Energy Efficiency Ratio; Step S5, sends regulation and control instruction according to the first regulation and control scheme to air-conditioning system, to realize the control to air-conditioning system.By the invention solves technical problem lower to the overall efficiency of air-conditioning system in prior art, achieve the effect improving the overall Energy Efficiency Ratio of air-conditioning system.
Description
Technical field
The present invention relates to control field, in particular to a kind of control method, Apparatus and system of air-conditioning system.
Background technology
At present, central air conditioner system intelligentized control method level is lower, particularly in hybrid ground source heat pump field, owing to relating to switching between multisystem, many equipment and unified management, has higher requirement to intelligentized control method.But, the control method of existing air-conditioning system mostly is differential pressure control method, temperature control method, flow-control method and spatial load forecasting method etc., these control methods are generally carry out single optimization or control for the local operational factor of subsystem or system, the higher energy efficiency that can realize subsystem or local system controls, but the defect of these control methods is, reasonably can not regulate from the entirety of system, cause the overall efficiency of system lower.
The lower technical problem of the overall efficiency of air-conditioning system that reasonable adjusting brings can not be carried out from entirety in prior art to the control method of air-conditioning system, not yet propose effective solution at present.
Summary of the invention
The lower technical problem of the overall efficiency of air-conditioning system that reasonable adjusting brings can not be carried out from entirety in correlation technique to the control method of air-conditioning system, not yet propose effective solution.Main purpose of the present invention is the control method, the Apparatus and system that provide a kind of air-conditioning system for this reason, to solve the problem.
To achieve these goals, according to an aspect of the present invention, a kind of control method of air-conditioning system is provided.The method comprises: step S1, obtains the operational factor of air-conditioning system; Step S2, carries out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor; Step S3, carries out calculation process respectively to each regulation and control scheme, to obtain Energy Efficiency Ratio average with the air-conditioning system corresponding to each regulation and control scheme; Step S4, searches for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of each air-conditioning system, to obtain and the first regulation and control scheme corresponding to the highest average Energy Efficiency Ratio; Step S5, sends regulation and control instruction according to the first regulation and control scheme to air-conditioning system, to realize the control to air-conditioning system.
Further, step S3 also comprises: step S31, inquires about in the first database according to the regulating parameter in each regulation and control scheme, to obtain corresponding direct regulation and control parameter; Step S32, inquires about in tables of data according to direct regulation and control parameter and operational factor, to obtain corresponding calculating parameter; Step S33, according to the calculating parameter obtained by step S32, calculates the Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme according to system control program, wherein,
calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
Further, after step S33, method also comprises: step S34, judges whether the dry run time for performing step S1 to S3 reaches setting value, wherein, if the dry run time does not reach setting value, then returns circulation and performs step S1 to S3; If the dry run time reaches setting value, then preserve all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme, and perform step S35; Step S35, calculates the mean value of the corresponding all Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with each regulation and control scheme.
Further, after step s 5, method also comprises: step S6, judges whether to arrive the unused time, wherein, if do not reach the unused time, then returns and performs step S1; If reach the unused time, then exit.
To achieve these goals, according to a further aspect in the invention, provide a kind of control device of air-conditioning system, this device comprises: the first acquisition module, for obtaining the operational factor of air-conditioning system; Matching module, for carrying out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor; First computing module, for carrying out calculation process respectively to each regulation and control scheme, to obtain Energy Efficiency Ratio average with the air-conditioning system corresponding to each regulation and control scheme; Comparison module, for searching for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of each air-conditioning system, to obtain and the first regulation and control scheme corresponding to the highest average Energy Efficiency Ratio; Sending module, for sending regulation and control instruction according to the first regulation and control scheme to air-conditioning system, to realize the control to air-conditioning system.
Further, the first computing module comprises: the first enquiry module, for inquiring about in the first database according to the regulating parameter in each regulation and control scheme, to obtain corresponding direct regulation and control parameter; Second enquiry module, for inquiring about in tables of data according to direct regulation and control parameter and operational factor, to obtain corresponding calculating parameter; Computing module, for according to calculating parameter, calculates the Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme according to system control program, wherein,
calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
Further, the first computing module also comprises: the first judge module, for judging whether reach setting value for performing the first enquiry module to dry run time of computing module; Preserve module, for when the dry run time reaches setting value, preserve all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; Second computing module, for when the dry run time does not reach setting value, calculates the mean value of the corresponding all Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with each regulation and control scheme.
Further, device also comprises: the second judge module, arrives the unused time for judging whether.
To achieve these goals, according to a further aspect in the invention, additionally provide a kind of control system of air-conditioning system, this system comprises: air-conditioning system, sends operational factor; Control system, is connected with air-conditioning system, for obtaining the operational factor of air-conditioning system, wherein, control system comprises: first processor, for carrying out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor; First calculator, for carrying out calculation process respectively to each regulation and control scheme, to obtain Energy Efficiency Ratio average with the air-conditioning system corresponding to each regulation and control scheme; Comparator, for searching for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of each air-conditioning system, to obtain and the first regulation and control scheme corresponding to the highest average Energy Efficiency Ratio; Dispensing device, for sending regulation and control instruction according to the first regulation and control scheme to air-conditioning system, to realize the control to air-conditioning system.
Further, the first calculator comprises: the second processor, for the regulating parameter in each regulation and control scheme is converted into direct regulation and control parameter, and inquires about in tables of data according to direct regulation and control parameter and operational factor, to obtain corresponding calculating parameter; 3rd processor, for according to calculating parameter, calculates the Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme according to system control program, wherein,
calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
Further, the first calculator also comprises: the second calculator, for calculating the mean value of the corresponding all Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with each regulation and control scheme.
Further, the second calculator comprises: the first checkout gear, for judging whether the dry run time for performing the second processor reaches setting value; Memory, is connected with the first checkout gear, for when the dry run time reaches setting value, then preserves all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; 3rd calculator, is connected with the first checkout gear, for when the dry run time does not reach setting value, calculates the mean value of the corresponding all Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with each regulation and control scheme.
Further, system also comprises: second detection device, arrives the unused time for judging whether.
Pass through the present invention, operational factor change according to air-conditioning system judges system operation situation, and formulate one or more regulating strategies from the overall efficiency of system, then each regulation and control scheme calculation process is shown that the Energy Efficiency Ratio of air-conditioning system after regulation and control scheme is often planted in employing, select from each regulation and control scheme and perform the regulation and control scheme making air-conditioning system Energy Efficiency Ratio the highest, solve in prior art and can not carry out the lower technical problem of the overall efficiency of air-conditioning system that reasonable adjusting brings from entirety to the control method of air-conditioning system, and then achieve the effect improving the overall Energy Efficiency Ratio of air-conditioning system.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the control method according to air-conditioning system of the present invention;
Fig. 2 is the flow chart of the control method of the air-conditioning system of embodiment according to Fig. 1;
Fig. 3 is the flow chart of the control method of the air-conditioning system of another embodiment according to Fig. 1;
Fig. 4 is the structural representation of the control device according to air-conditioning system of the present invention;
Fig. 5 is the structural representation of the control system according to air-conditioning system of the present invention; And
Fig. 6 is the structural representation of the control system of the air-conditioning system of embodiment according to Fig. 5.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 1 is the flow chart of the control method according to air-conditioning system of the present invention.Fig. 2 is the flow chart of the control method of the air-conditioning system of embodiment according to Fig. 1.As depicted in figs. 1 and 2, according to the embodiment of the control method of the air-conditioning system of the application, the method comprises the steps:
Step S1, obtains the operational factor of air-conditioning system.
Step S2, carries out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor.
Step S3, carries out calculation process respectively to each regulation and control scheme, to obtain the average Energy Efficiency Ratio of the air-conditioning system corresponding with each regulation and control scheme.
Step S4, searches for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of each air-conditioning system, to obtain first regulation and control scheme corresponding with the highest average Energy Efficiency Ratio.
Step S5, sends regulation and control instruction according to the first regulation and control scheme to air-conditioning system, to realize the control to air-conditioning system.
Adopt the control method of the air-conditioning system of the application, by obtaining the operational factor of air-conditioning system, and carry out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor, and respectively calculation process is carried out to each regulation and control scheme, to obtain the air-conditioning system average Energy Efficiency Ratio corresponding with each regulation and control scheme, then, the highest average Energy Efficiency Ratio is searched in the average Energy Efficiency Ratio of each air-conditioning system, after obtaining first regulation and control scheme corresponding with the highest average Energy Efficiency Ratio, regulation and control instruction is sent to air-conditioning system according to the first regulation and control scheme, to realize the control to air-conditioning system.The present invention judges system operation situation according to the operational factor change of air-conditioning system, and formulate one or more regulating strategies from the overall efficiency of system, then each regulation and control scheme calculation process is shown that the Energy Efficiency Ratio of air-conditioning system after regulation and control scheme is often planted in employing, select from each regulation and control scheme and perform the regulation and control scheme making air-conditioning system Energy Efficiency Ratio the highest, solve in prior art and can not carry out the lower technical problem of the overall efficiency of air-conditioning system that reasonable adjusting brings from entirety to the control method of air-conditioning system, and then achieve the effect improving the overall Energy Efficiency Ratio of air-conditioning system.
In above-described embodiment of the application, step S3 can also comprise the steps:
Step S31, inquires about in the first database according to the regulating parameter in each regulation and control scheme, to obtain corresponding direct regulation and control parameter.
Step S32, inquires about in tables of data according to direct regulation and control parameter and operational factor, to obtain corresponding calculating parameter.
Step S33, according to calculating parameter, calculates the Energy Efficiency Ratio of the corresponding described air-conditioning system of regulation and control scheme described in each according to system control program, wherein,
calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
Wherein, regulating parameter in regulation and control scheme is the parameter changed in regulation and control scheme, particularly, can be the number of units of operating unit, the loading rate of unit, water pump number of units that air-conditioning side is run, the water pump frequency of air-conditioning side, underground pipe run the water pump frequency of the number of units of water pump, the frequency of underground pipe water pump, the unlatching quantity of underground pipe, the blower fan frequency of cooling tower, water pump number of units that cooling tower runs, cooling tower.
Particularly, when direct regulation and control parameter can be system fading margin can direct quantitative control parameter, the parameter regulated and controled not directly is carried out when system operational parameters can be system cloud gray model, system-computed parameter (i.e. calculating parameter) for direct regulation and control parameter determine with system operational parameters/objective parameter after the value of corresponding with it a certain parameter, in addition, the system-computed parameter of part also can participate in the calculating of other system-computed parameter as system operational parameters.Particularly, operational factor can comprise objective parameter.
Preferably, " direct regulation and control parameter " and " system operational parameters " are according to its excursion, and get some numerical value according to certain intervals, such as, the value of rack load rate can get 30%, 35%, 40% ... 95%." system-computed parameter " can before control system be installed, by experiment or analog computation method obtain, also can the mode by self study in the running of control system obtain from air-conditioning system, also above-mentioned two kinds of modes can be combined, related data is write control system in advance, is then come by self-learning function perfect in the running of this system.
According to above-described embodiment of the application, after step S33, the control method of the air-conditioning system of the application can also comprise the steps:
Step S34, judges whether the dry run time for performing step S1 to S3 reaches setting value.
Particularly, if the dry run time does not reach setting value, then return circulation and perform step S1 to S3; If the dry run time reaches setting value, then preserve all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme, and perform step S35.
Step S35, calculates the mean value of the corresponding all Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with each regulation and control scheme.
In the embodiment of the control method of air-conditioning system of the present invention, after step s 5, the method can also comprise the steps:
Step S6, judges whether to arrive the unused time.
Particularly, if do not reach the unused time, then return and perform step S1; If reach the unused time, then exit.
Fig. 3 is the flow chart of the control method of the air-conditioning system of another embodiment according to Fig. 1.As shown in Figure 3, provide a kind of control method of detailed air-conditioning system, specifically comprise the steps:
Step S101, system operational parameters detects and feedback, and the operational factor being about to the air-conditioning system monitored feeds back to system.
In the present embodiment, operational factor can comprise the operational factor that the sensor of air-conditioning system and device controller monitor, wherein, sensor can comprise temperature sensor, pressure sensor, flowmeter, humidity sensor, every operational factor of air-conditioning system can be monitored, and above-mentioned parameter is fed back to control system; Device controller can comprise source pump controller and every operational factor of the equipment monitored is fed back to central controller by miscellaneous equipment controller.
Step S102, system proposes several control strategy, and namely system is according to the situation of change of operational factor, judges the operation conditions of whole air-conditioning system, judges in system according to the program finished writing in advance, proposes one or several rational regulation strategies.
Wherein, in above-mentioned steps S102, regulation strategy (i.e. control strategy) can comprise: change operating unit number of units, adjustment unit loading rate, change air-conditioning side run water pump number of units, adjustment air-conditioning side water pump frequency, change underground pipe operation water pump number of units, adjustably pipe laying water pump frequency, adjustably pipe laying unlatching quantity, regulate blower fan of cooling tower frequency, change cooling tower operation water pump number of units, adjustment cooling tower water pump frequency, particularly, regulation strategy can be one or several above combination.
Step S103, calculates " direct regulation and control parameter " value that each control strategy is corresponding.
Preferably, in step s 102, control system utilizes the related data of deposit in system database, processes the parameter changed in each regulation strategy (i.e. regulating parameter), is translated into direct regulation and control parameter corresponding with it in database.
Wherein, database can comprise: heat pump set system database, underground pipe system database and cooling tower database, and each database can comprise: direct regulation and control parameter, system operational parameters/objective parameter and system-computed parameter.Particularly, the direct regulation and control parameter of heat pump set system database can have: rack load rate (separate unit), air-conditioning side discharge (separate unit), source discharge (separate unit); The direct regulation and control parameter of underground pipe system can have: underground pipe opens quantity, underground pipe total flow; The direct regulation and control parameter of cooling tower systems has: blower fan of cooling tower frequency (separate unit), cooling tower water pump discharge (separate unit).
Step S104, monitoring " system operational parameters ".
Wherein, perform step S104 time, the system operational parameters of heat pump set system database can have: air-conditioning side inflow temperature, source inflow temperature, end load; The system operational parameters of underground pipe system can have: soil thermal property parameter, underground pipe inflow temperature; The system operational parameters of cooling tower systems can have: outdoor temperature, outside humidity, cooling tower inflow temperature.Particularly, operational factor can comprise objective parameter.
Step S105, reads corresponding " calculating parameter " at database.
Particularly, in step S105, current for air-conditioning system " operational factor " is fed back to the controller of control system by control system, then controller is according to the direct regulation and control parameter obtained by step S103 and above-mentioned operational factor, searches corresponding with it every " system-computed parameter " in the database of control system.
Wherein, the calculating parameter of heat pump set system database can comprise: unit refrigerating/heating amount (separate unit), unit input power (separate unit), air-conditioning side pump power (separate unit), land source side water pump power (separate unit), air-conditioning side leaving water temperature, source leaving water temperature; The calculating parameter of underground pipe system can comprise, underground pipe leaving water temperature.
Step S106, calculates single cycle systematic energy efficiency ratio.
Particularly, in above-mentioned steps S106, control system utilizes the related data of deposit in system database, calculates often kind of regulation strategy and performs the rear variation tendency of system operation situation and the overall Energy Efficiency Ratio of system.
Step S107, judges whether the dry run time arrives setting value.
Particularly, when performing step S107, judging whether the dry run time for performing step S103 to S106 reaches setting value, if do not reach setting value, then returning and performing step S103 to S106; If reach setting value, then preserve all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme and perform step S108.
Preferably, partly " system-computed parameter " can participate in the calculating of " the system-computed parameter " that circulation next time performs as " system operational parameters ", such as, the ground source leaving water temperature of unit is as underground pipe inflow temperature and cooling tower inflow temperature, participate in the calculating of underground pipe leaving water temperature, cooling tower leaving water temperature and cooling tower input power, simultaneously, as the ground source inflow temperature of unit, the calculating of the parameters of heat pump set system can be participated in again after underground pipe leaving water temperature and the process of cooling tower leaving water temperature via controller.
Step S108, calculates the systematic energy efficiency ratio in setting-up time, and several regulating strategies namely proposed control system carry out the average Energy Efficiency Analysis in setting-up time.
Particularly, in above-mentioned steps S108, owing to obtaining the time stickiness of air-conditioning system operational factor, in addition, be converted into " system-computed parameter " need the regular hour from control system " direct regulation and control parameter " process, control system preferably using the one-period of Air Conditioning Cycle as setting value.So within the time of setting, the number of times that the overall Energy Efficiency Ratio of carrying out air-conditioning system calculates is certain, the result that the efficiency of entire system several times obtained calculates is averaged in this period, as the foundation of regulating strategy choosing control system.
Step S109, the operation reserve that executive system Energy Efficiency Ratio is maximum.
Particularly, in above-mentioned steps S109, by judging that in setting-up time, the average Energy Efficiency Ratio of system carries out selection and the execution of operation reserve in advance.
Preferably, control system is selected to obtain the highest regulation strategy of air-conditioning system Energy Efficiency Ratio, sends regulation and control instruction to air-conditioning system, realizes the adjustment of air-conditioning system, the switching in start and stop and relevant water route controls, ensure that air-conditioning system is run with high energy efficiency ratio.
Step S110, judges whether to arrive the unused time, wherein, if arrive the unused time, then terminates; If do not arrive the unused time, then return and perform step S101.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
Fig. 4 is the structural representation of the control device of air-conditioning system according to the application.As shown in Figure 4, this device comprises: the first acquisition module 10, for obtaining the operational factor of air-conditioning system; Matching module 20, for carrying out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor; First computing module 30, for carrying out calculation process respectively to each regulation and control scheme, to obtain Energy Efficiency Ratio average with the air-conditioning system corresponding to each regulation and control scheme; Comparison module 40, for searching for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of each air-conditioning system, to obtain and the first regulation and control scheme corresponding to the highest average Energy Efficiency Ratio; Sending module 50, for sending regulation and control instruction according to the first regulation and control scheme to air-conditioning system, to realize the control to air-conditioning system.
According to the control device of the air-conditioning system of the application, adopt the first acquisition module, matching module, first computing module, comparison module and sending module, air-conditioning system operation conditions is judged by the operational factor change according to the air-conditioning system obtained, and formulate one or more regulating strategies from the overall efficiency of air-conditioning system, then each regulation and control scheme calculation process is shown that the Energy Efficiency Ratio of air-conditioning system after regulation and control scheme is often planted in employing, select from each regulation and control scheme and perform the regulation and control scheme making air-conditioning system Energy Efficiency Ratio the highest, solve in prior art and can not carry out the lower technical problem of the overall efficiency of air-conditioning system that reasonable adjusting brings from entirety to the control method of air-conditioning system, and then achieve the effect improving the overall Energy Efficiency Ratio of air-conditioning system.
In above-described embodiment of the application, the first computing module 30 can also comprise: the first enquiry module, for inquiring about in the first database according to the regulating parameter in each regulation and control scheme, to obtain corresponding direct regulation and control parameter; Second enquiry module, for inquiring about in tables of data according to direct regulation and control parameter and operational factor, to obtain corresponding calculating parameter; Computing module, for according to calculating parameter, calculates the Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme according to system control program, wherein,
calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
According to the abovementioned embodiments of the present invention, the first computing module 30 can also comprise: the first judge module, for judging whether reach setting value for performing the first enquiry module to dry run time of computing module; Preserve module, for when the described dry run time reaches setting value, then preserve all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; Second computing module, for when the described dry run time does not reach setting value, calculates the mean value of the corresponding all Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with each regulation and control scheme.
In the embodiment of the control device of the air-conditioning system of the application, this device can also comprise: the second judge module, arrives the unused time for judging whether.
Fig. 5 is the structural representation of the control system according to air-conditioning system of the present invention.Fig. 6 is the structural representation of the control system of the air-conditioning system of embodiment according to Fig. 5.As shown in Figure 5 and Figure 6, this system can comprise: air-conditioning system 100, sends operational factor; Control system 200, be connected with air-conditioning system, for obtaining the operational factor of air-conditioning system 100, particularly, control system 200 can comprise: first processor 201, for carrying out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor; First calculator 202, for carrying out calculation process respectively to each regulation and control scheme, to obtain Energy Efficiency Ratio average with the air-conditioning system corresponding to each regulation and control scheme; Comparator 203, for searching for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of each air-conditioning system, to obtain and the first regulation and control scheme corresponding to the highest average Energy Efficiency Ratio; Dispensing device 204, for sending regulation and control instruction according to the first regulation and control scheme to air-conditioning system 100, to realize the control to air-conditioning system 100.
Preferably, control system provided by the invention can comprise by central controller, system database, operation display interface, remote monitoring computer and sensor, actuator, each device controller, the agent object controlled is the air-conditioning system that earth source heat pump and auxiliary Cooling and Heat Source form, wherein, earth-source hot-pump system can be the forms such as soil source heat pump, surface water source heat pump, groundwater heat pump, and auxiliary Cooling and Heat Source can be cooling tower, boiler, solar energy etc.Its core control method is equally applicable to the air-conditioning system of other form.Particularly, sensor can comprise: temperature sensor, pressure sensor, flow sensor and humidity sensor; Device controller can comprise: generator set controller, water pump controller and controller of fan; Actuator can comprise: electrically operated valve, pump variable frequency device and fan frequency converter.
According to the control system of the air-conditioning system of the application, control system is connected with air-conditioning system, control system is by adopting first processor, first calculator, comparator and dispensing device, by obtaining the operational factor of air-conditioning system, and carry out matching treatment in systems in which according to each operational factor, to obtain the one or more regulation and control scheme corresponding to each operational factor, and respectively calculation process is carried out to each regulation and control scheme, to obtain the air-conditioning system average Energy Efficiency Ratio corresponding with each regulation and control scheme, then, the highest average Energy Efficiency Ratio is searched in the average Energy Efficiency Ratio of each air-conditioning system, after obtaining first regulation and control scheme corresponding with the highest average Energy Efficiency Ratio, regulation and control instruction is sent to air-conditioning system according to the first regulation and control scheme, to realize the control to air-conditioning system.The application judges the operation conditions of air-conditioning system according to the operational factor change of the air-conditioning system got, and formulate one or more regulating strategies from the overall efficiency of air-conditioning system, then each regulation and control scheme calculation process is shown that the Energy Efficiency Ratio of air-conditioning system after regulation and control scheme is often planted in employing, select from each regulation and control scheme and perform the regulation and control scheme making air-conditioning system Energy Efficiency Ratio the highest, solve in prior art and can not carry out the lower technical problem of the overall efficiency of air-conditioning system that reasonable adjusting brings from entirety to the control method of air-conditioning system, and then achieve the effect improving the overall Energy Efficiency Ratio of air-conditioning system.
According to above-described embodiment of the application, first calculator can comprise: the second processor, for the regulation and control parameter in each regulation and control scheme is converted into direct regulation and control parameter, and inquire about in tables of data according to direct regulation and control parameter and operational factor, to obtain corresponding calculating parameter; 3rd processor, for according to calculating parameter, calculates the Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme according to system control program.
Wherein,
calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
In the above embodiment of the present invention, the control system of air-conditioning system can also comprise: the second calculator, for preserving all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme, and calculate the mean value of the corresponding all Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with each regulation and control scheme.
Preferably, the second calculator can comprise: the first checkout gear, for judging whether the dry run time for performing the second processor reaches setting value; Memory, is connected with the first checkout gear, for when the dry run time reaches setting value, preserves all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; 3rd calculator, is connected with the first checkout gear, for when the dry run time does not reach setting value, calculates the mean value of the corresponding all Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with each regulation and control scheme.
In above-described embodiment of the application, this system can also comprise: second detection device, arrives the unused time for judging whether.
Particularly, as shown in Figure 6, system database is made up of three parts, comprises heat pump set system database, underground pipe system database and cooling tower systems database.Three kinds of parameters are had: direct regulation and control parameter, system operational parameters and system-computed parameter in each database.Wherein, when " direct regulation and control parameter " is system fading margin can direct quantitative control parameter, the parameter regulated and controled not directly is carried out when " system operational parameters " is system cloud gray model, " system-computed parameter " is the value of a certain parameter corresponding with it after " direct regulation and control parameter " is determined with " system operational parameters ", and partly " system-computed parameter " also can participate in the calculating of other " system-computed parameter " as " system operational parameters ".
Particularly, " direct regulation and control parameter " and " system operational parameters " are according to its excursion, and get some numerical value according to certain intervals, the value of such as rack load rate can get 30%, 35%, 40% ... 95%." system-computed parameter " can before system be installed, by experiment or analog computation method obtain, also can the mode by self study in system operation obtain, or both combine, by related data writing system in advance, then come perfect in running by self-learning function.
In the above-described embodiments, the direct regulation and control parameter of heat pump set system database can have: rack load rate (separate unit), air-conditioning side discharge (separate unit), source discharge (separate unit); System operational parameters can have: air-conditioning side inflow temperature, source inflow temperature, end load; System-computed parameter can have: unit refrigerating/heating amount (separate unit), unit input power (separate unit), air-conditioning side pump power (separate unit), land source side water pump power (separate unit), air-conditioning side leaving water temperature, source leaving water temperature.
According to above-described embodiment, the direct regulation and control parameter of underground pipe system database can have: underground pipe opens quantity, underground pipe total water current amount; System operational parameters can have: soil thermal property parameter, underground pipe inflow temperature; System-computed parameter can have: underground pipe leaving water temperature.
According to above-described embodiment, the direct regulation and control parameter of cooling tower systems database can have: blower fan of cooling tower frequency (separate unit), cooling tower water pump discharge (separate unit); System operational parameters can have: outdoor temperature, outside humidity, cooling tower inflow temperature; System-computed parameter can have: cooling tower leaving water temperature, cooling tower input power (separate unit).
From above description, can find out, adopt the above embodiments of the present invention, provide a kind of control method of air-conditioning system, Apparatus and system, the operation conditions of air-conditioning system is judged according to the operational factor change of the air-conditioning system got, and formulate one or more regulating strategies from the overall efficiency of air-conditioning system, then each regulation and control scheme calculation process is shown that the Energy Efficiency Ratio of air-conditioning system after regulation and control scheme is often planted in employing, select from each regulation and control scheme and perform the regulation and control scheme making air-conditioning system Energy Efficiency Ratio the highest, solve in prior art and can not carry out the lower technical problem of the overall efficiency of air-conditioning system that reasonable adjusting brings from entirety to the control method of air-conditioning system, and then achieve the effect improving the overall Energy Efficiency Ratio of air-conditioning system.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a control method for air-conditioning system, is characterized in that, comprising:
Step S1, obtains the operational factor of air-conditioning system;
Step S2, carries out matching treatment in systems in which according to operational factor described in each, to obtain the one or more regulation and control scheme described in each corresponding to operational factor;
Step S3, carries out calculation process respectively to regulation and control scheme described in each, to obtain Energy Efficiency Ratio average with the air-conditioning system described in each corresponding to regulation and control scheme;
Step S4, searches for the highest average Energy Efficiency Ratio in average Energy Efficiency Ratio of air-conditioning system described in each, to obtain and the first regulation and control scheme corresponding to the highest described average Energy Efficiency Ratio;
Step S5, sends regulation and control instruction, to realize the control to described air-conditioning system according to described first regulation and control scheme to described air-conditioning system.
2. method according to claim 1, is characterized in that, described step S3 also comprises:
Step S31, inquires about in the first database according to the regulating parameter in regulation and control scheme described in each, to obtain corresponding direct regulation and control parameter;
Step S32, inquires about in tables of data according to described direct regulation and control parameter and described operational factor, to obtain corresponding calculating parameter;
Step S33, according to the calculating parameter obtained by described step S32, calculates the Energy Efficiency Ratio of the corresponding described air-conditioning system of regulation and control scheme described in each according to system control program, wherein,
described calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
3. method according to claim 2, is characterized in that, after described step S33, described method also comprises:
Step S34, judges whether the dry run time for performing step S1 to S3 reaches setting value, wherein,
If the described dry run time does not reach setting value, then return circulation and perform step S1 to S3;
If the described dry run time reaches setting value, then preserve all Energy Efficiency Ratio of the corresponding described air-conditioning system of each regulation and control scheme, and perform step S35;
Step S35, calculates the mean value of the corresponding all described Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with regulation and control scheme described in each.
4. method according to claim 3, is characterized in that, after described step S5, described method also comprises:
Step S6, judges whether to arrive the unused time, wherein,
If do not reach the unused time, then return and perform step S1;
If reach the unused time, then exit.
5. a control device for air-conditioning system, is characterized in that, comprising:
First acquisition module, for obtaining the operational factor of air-conditioning system;
Matching module, for carrying out matching treatment in systems in which according to operational factor described in each, to obtain the one or more regulation and control scheme described in each corresponding to operational factor;
First computing module, for carrying out calculation process respectively to regulation and control scheme described in each, to obtain Energy Efficiency Ratio average with the air-conditioning system described in each corresponding to regulation and control scheme;
Comparison module, for searching for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of air-conditioning system described in each, to obtain and the first regulation and control scheme corresponding to the highest described average Energy Efficiency Ratio;
Sending module, for sending regulation and control instruction, to realize the control to described air-conditioning system according to described first regulation and control scheme to described air-conditioning system.
6. device according to claim 5, is characterized in that, described first computing module comprises:
First enquiry module, for inquiring about in the first database according to the regulating parameter in regulation and control scheme described in each, to obtain corresponding direct regulation and control parameter;
Second enquiry module, for inquiring about in tables of data according to described direct regulation and control parameter and described operational factor, to obtain corresponding calculating parameter;
Computing module, for according to described calculating parameter, calculates the Energy Efficiency Ratio of the corresponding described air-conditioning system of regulation and control scheme described in each according to system control program, wherein,
described calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
7. device according to claim 6, is characterized in that, described first computing module also comprises:
First judge module, for judging whether reach setting value for performing the first enquiry module to dry run time of computing module;
Preserve module, for when the described dry run time reaches setting value, preserve all Energy Efficiency Ratio of the corresponding described air-conditioning system of each regulation and control scheme;
Second computing module, for when the described dry run time does not reach setting value, calculates the mean value of the corresponding all described Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with regulation and control scheme described in each.
8. device according to claim 7, is characterized in that, described device also comprises:
Second judge module, arrives the unused time for judging whether.
9. a control system for air-conditioning system, is characterized in that, comprising:
Air-conditioning system, sends operational factor;
Control system, is connected with described air-conditioning system, for obtaining the operational factor of air-conditioning system,
Wherein, described control system comprises:
First processor, for carrying out matching treatment in systems in which according to operational factor described in each, to obtain the one or more regulation and control scheme described in each corresponding to operational factor;
First calculator, for carrying out calculation process respectively to regulation and control scheme described in each, to obtain Energy Efficiency Ratio average with the air-conditioning system described in each corresponding to regulation and control scheme;
Comparator, for searching for the highest average Energy Efficiency Ratio in the average Energy Efficiency Ratio of air-conditioning system described in each, to obtain and the first regulation and control scheme corresponding to the highest described average Energy Efficiency Ratio;
Dispensing device, for sending regulation and control instruction, to realize the control to described air-conditioning system according to described first regulation and control scheme to described air-conditioning system;
Wherein, described first calculator comprises: the second processor, for the regulating parameter in regulation and control scheme described in each is converted into direct regulation and control parameter, and inquire about in tables of data according to described direct regulation and control parameter and described operational factor, to obtain corresponding calculating parameter; 3rd processor, for according to described calculating parameter, calculates the Energy Efficiency Ratio of the corresponding described air-conditioning system of regulation and control scheme described in each according to system control program, wherein,
described calculating parameter comprises: chiller capacity/heating capacity, water pump input power, cooling tower power and main frame input power.
10. system according to claim 9, is characterized in that, described first calculator also comprises:
Second calculator, for calculating the mean value of the corresponding all described Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with regulation and control scheme described in each.
11. systems according to claim 10, is characterized in that, described second calculator comprises:
First checkout gear, for judging whether the dry run time for performing described second processor reaches setting value;
Memory, is connected with described first checkout gear, for when the described dry run time reaches setting value, then preserves all Energy Efficiency Ratio of the corresponding described air-conditioning system of each regulation and control scheme;
3rd calculator, be connected with described first checkout gear, for when the described dry run time does not reach setting value, calculate the mean value of the corresponding all described Energy Efficiency Ratio of each regulation and control scheme, to obtain the average Energy Efficiency Ratio corresponding with regulation and control scheme described in each.
12. systems according to claim 11, is characterized in that, described system also comprises:
Second detection device, arrives the unused time for judging whether.
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| CN103994548A (en) * | 2014-05-23 | 2014-08-20 | 南京师范大学 | Method for adjusting air-conditioner refrigerating capacity through dry-wet bulb temperature allowance grading |
| TWI598541B (en) | 2016-01-19 | 2017-09-11 | 台達電子工業股份有限公司 | Power optimization system for air-side apparatus of air conditioning and power optimization method of the same |
| CN109213229A (en) * | 2017-07-07 | 2019-01-15 | 深圳市辉宏技术有限公司 | A kind of HTM control method for improving efficiency, apparatus and system |
| CN108592331B (en) * | 2018-05-10 | 2020-06-02 | 深圳达实智能股份有限公司 | Cooling tower cold supply mode control method and system of air conditioning system |
| WO2020098405A1 (en) * | 2018-11-15 | 2020-05-22 | 广东美的制冷设备有限公司 | Control method for air conditioner, air conditioner and storage medium |
| CN109869867B (en) * | 2018-12-29 | 2020-06-16 | 珠海格力电器股份有限公司 | Control method and device of electric appliance, storage medium and electric appliance |
| CN110749053B (en) * | 2019-10-29 | 2020-11-10 | 珠海格力电器股份有限公司 | Control method and device of air conditioner |
| CN110726216B (en) * | 2019-10-29 | 2020-10-02 | 珠海格力电器股份有限公司 | Air conditioner, control method, device and system thereof, storage medium and processor |
| CN111981636B (en) * | 2020-08-13 | 2021-12-14 | 珠海格力电器股份有限公司 | Air conditioning system control method and device and air conditioning system |
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