CN103542489A - Control method, device and system of air conditioner system - Google Patents
Control method, device and system of air conditioner system Download PDFInfo
- Publication number
- CN103542489A CN103542489A CN201210242196.6A CN201210242196A CN103542489A CN 103542489 A CN103542489 A CN 103542489A CN 201210242196 A CN201210242196 A CN 201210242196A CN 103542489 A CN103542489 A CN 103542489A
- Authority
- CN
- China
- Prior art keywords
- regulation
- air
- energy efficiency
- conditioning system
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method, device and system of an air conditioner system. The method comprises the steps of S1, obtaining operation parameters of the air conditioner system, S2 carrying out matching processing in the system according to the operation parameters to obtain one or more regulating and controlling schemes corresponding to the operation parameters, S3 carrying out operation processing on the regulating and controlling schemes to obtain air conditioner system average energy efficiency ratios corresponding to the regulating and controlling schemes, S4 searching for the highest average energy efficiency ratio in the air conditioner system average energy efficiency ratios to obtain the first regulating and controlling scheme corresponding to the highest average energy efficiency ratio, and S5 sending regulating and controlling instructions to the air conditioner system according to the first regulating and controlling scheme to achieve control over the air conditioner system. The control method solves the technical problem that in the prior art, the overall energy efficiency of the air conditioner system is solved, and the effect of improving the overall energy efficiency ratio of the air conditioner system is achieved.
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, the intelligent level of control of central air conditioner system is lower, particularly, in hybrid ground source heat pump field, due to the switching and the unified management that relate between multisystem, many equipment, intellectuality is controlled and is had higher requirement.Yet, the control method of existing air-conditioning system mostly is differential pressure control method, temperature control method, flow-control method and load control method etc., these control methods are generally optimize separately or control for the local operational factor of subsystem or system, can realize the higher energy efficiency of subsystem or local system controls, but the defect of these control methods is, can not reasonably regulate from the integral body of system, cause the whole efficiency of system lower.
For not carrying out rationally regulating the lower technical problem of the whole efficiency of air-conditioning system of bringing from integral body to the control method of air-conditioning system in prior art, effective solution is not yet proposed at present.
Summary of the invention
For not carrying out rationally regulating the lower technical problem of the whole efficiency of air-conditioning system of bringing from integral body to the control method of air-conditioning system in correlation technique, effective solution is not yet proposed.Main purpose of the present invention is to provide a kind of control method, Apparatus and system of air-conditioning system for this reason, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of control method of air-conditioning system.The method comprises: step S1, obtains the operational factor of air-conditioning system; Step S2 carries out matching treatment in system according to each operational factor, to obtain the corresponding one or more regulation and control scheme of each operational factor; Step S3, carries out respectively calculation process to each regulation and control scheme, to obtain and the average Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; Step S4, the highest average Energy Efficiency Ratio of search in the average Energy Efficiency Ratio of each air-conditioning system, to obtain and corresponding the first regulation and control scheme of 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 adjusting 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 obtaining 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, and whether judgement reaches setting value for performing step the dry run time of S1 to S3, wherein, if the dry run time does not reach setting value, returns to circulation execution step S1 to S3; If the dry run time reaches setting value, 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 S5, method also comprises: step S6, judge whether to arrive the unused time, and wherein, if do not reach the unused time, return to execution step S1; If reach the unused time, 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 according to each operational factor in system, to obtain the corresponding one or more regulation and control scheme of each operational factor; The first computing module, for each regulation and control scheme is carried out respectively to calculation process, to obtain and the average Energy Efficiency Ratio of the corresponding air-conditioning system of 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 corresponding the first regulation and control scheme of 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 the adjusting parameter according to each regulation and control scheme, in the first database, inquire about, to obtain corresponding direct regulation and control parameter; The 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 for carrying out the first enquiry module to dry run time of computing module whether reach setting value; Preserve module, in the situation that the dry run time reaches setting value, preserve all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; The second computing module, in the situation that 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, and for judging whether to arrive the unused time.
To achieve these goals, according to a further aspect in the invention, also 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 according to each operational factor in system, to obtain the corresponding one or more regulation and control scheme of each operational factor; The first calculator, for each regulation and control scheme is carried out respectively to calculation process, to obtain and the average Energy Efficiency Ratio of the corresponding air-conditioning system of 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 corresponding the first regulation and control scheme of 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 adjusting parameter of 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; The 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, and 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 for carrying out the dry run time of the second processor whether reach setting value; Memory, is connected with the first checkout gear, in the situation that the dry run time reaches setting value, preserves all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; The 3rd calculator, is connected with the first checkout gear, in the situation that 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, and for judging whether to arrive the unused time.
By the present invention, according to the operational factor of air-conditioning system, change judgement system operation situation, and formulate one or more regulating strategies from the whole efficiency of system, then each regulation and control scheme calculation process is drawn to the Energy Efficiency Ratio that adopts air-conditioning system after every kind of regulation and control scheme, from each regulation and control scheme, select and carry out to make the highest regulation and control scheme of air-conditioning system Energy Efficiency Ratio, solved in prior art and can not carry out rationally regulating the lower technical problem of the whole efficiency of air-conditioning system of bringing from integral body to the control method of air-conditioning system, and then realized the effect that improves the whole Energy Efficiency Ratio of air-conditioning system.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the flow chart of the control method of air-conditioning system of the present invention;
Fig. 2 is according to the flow chart of the control method of the air-conditioning system of the embodiment shown in Fig. 1;
Fig. 3 is according to the flow chart of the control method of the air-conditioning system of another embodiment shown in Fig. 1;
Fig. 4 is according to the structural representation of the control device of air-conditioning system of the present invention;
Fig. 5 is according to the structural representation of the control system of air-conditioning system of the present invention; And
Fig. 6 is according to the structural representation of the control system of the air-conditioning system of the embodiment shown in Fig. 5.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Fig. 1 is according to the flow chart of the control method of air-conditioning system of the present invention.Fig. 2 is according to the flow chart of the control method of the air-conditioning system of the embodiment shown in Fig. 1.As depicted in figs. 1 and 2, according to the embodiment of the control method of the application's air-conditioning system, the method comprises the steps:
Step S1, obtains the operational factor of air-conditioning system.
Step S2 carries out matching treatment in system according to each operational factor, to obtain the corresponding one or more regulation and control scheme of each operational factor.
Step S3, carries out respectively calculation process 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, the highest average Energy Efficiency Ratio of search 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 application's air-conditioning system, by obtaining the operational factor of air-conditioning system, and according to each operational factor, in system, carry out matching treatment, to obtain the corresponding one or more regulation and control scheme of each operational factor, and each regulation and control scheme is carried out respectively to calculation process, to obtain the average Energy Efficiency Ratio of the air-conditioning system corresponding with each regulation and control scheme, then, the highest average Energy Efficiency Ratio of search 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, according to the first regulation and control scheme, to air-conditioning system, send regulation and control instruction, to realize the control to air-conditioning system.The present invention changes judgement system operation situation according to the operational factor of air-conditioning system, and formulate one or more regulating strategies from the whole efficiency of system, then each regulation and control scheme calculation process is drawn to the Energy Efficiency Ratio that adopts air-conditioning system after every kind of regulation and control scheme, from each regulation and control scheme, select and carry out to make the highest regulation and control scheme of air-conditioning system Energy Efficiency Ratio, solved in prior art and can not carry out rationally regulating the lower technical problem of the whole efficiency of air-conditioning system of bringing from integral body to the control method of air-conditioning system, and then realized the effect that improves the whole 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 adjusting 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, adjusting parameter in regulation and control scheme is the parameter changing in regulation and control scheme, particularly, can be the number of units of operating unit, the water pump number of units of the loading rate of unit, the operation of air-conditioning side, the water pump frequency of air-conditioning side, the underground pipe operation number of units of water pump, the unlatching quantity of the frequency of underground pipe water pump, underground pipe, the blower fan frequency of cooling tower, the water pump number of units of cooling tower operation, the water pump frequency of cooling tower.
Particularly, direct regulation and control parameter can be the parameter that system can direct quantitative while regulating be controlled, the parameter that system operational parameters not directly regulates and controls in the time of can being system operation, system-computed parameter (being calculating parameter) for direct regulation and control parameter and system operational parameters/objective parameter definite after the value of corresponding a certain parameter with it, in addition, the system-computed parameter of part also can be used as the calculating that system operational parameters participates in other system-computed parameter.Particularly, operational factor can comprise objective parameter.
Preferably, " direct regulation and control parameter " according to its excursion, gets some numerical value according to certain intervals with " system operational parameters ", and for example, the value of unit loading rate can get 30%, 35%, 40% ... 95%." system-computed parameter " can be before control system be installed, by experiment or the method for analog computation obtain, also can in the running of control system, the mode by self study obtain from air-conditioning system, also above-mentioned two kinds of modes can be combined, related data is write to control system in advance, then in the running of this system, by self-learning function, come perfect.
According to above-described embodiment of the application, after step S33, the control method of the application's air-conditioning system can also comprise the steps:
Step S34, whether judgement reaches setting value for performing step the dry run time of S1 to S3.
Particularly, if the dry run time does not reach setting value, return to circulation execution step S1 to S3; If the dry run time reaches setting value, 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 S5, the method can also comprise the steps:
Step S6, judges whether to arrive the unused time.
Particularly, if do not reach the unused time, return to execution step S1; If reach the unused time, exit.
Fig. 3 is according to the flow chart of the control method of the air-conditioning system of another embodiment shown in Fig. 1.As shown in Figure 3, provide a kind of control method of detailed air-conditioning system, specifically comprised the steps:
Step S101, system operational parameters detects and feedback, and the operational factor of the air-conditioning system that is about to monitor feeds back to system.
In the present embodiment, operational factor can comprise the sensor of air-conditioning system and the operational factor that device controller monitors, wherein, sensor can comprise temperature sensor, pressure sensor, flowmeter, humidity sensor, can monitor every operational factor of air-conditioning system, and above-mentioned parameter is fed back to control system; Device controller can comprise that source pump controller and miscellaneous equipment controller feed back to central controller by every operational factor of the equipment monitoring.
Step S102, system proposes several control strategies, and system, according to the situation of change of operational factor, judges the operation conditions of whole air-conditioning system, according to the program of finishing writing in advance, in system, judges, proposes one or several rational regulation strategies.
Wherein, in above-mentioned steps S102, regulation strategy (being control strategy) can comprise: change operating unit number of units, regulate unit loading rate, change air-conditioning side operation water pump number of units, regulate air-conditioning side water pump frequency, change underground pipe operation water pump number of units, regulate underground pipe water pump frequency, regulate underground pipe to open quantity, regulate blower fan of cooling tower frequency, change cooling tower operation water pump number of units, regulate cooling tower water pump frequency, particularly, regulation strategy can be the combination of above one or several.
Step S103, calculates " direct regulation and control parameter " value that each control strategy is corresponding.
Preferably, in step S102, control system is utilized the related data of deposit in system database, and the parameter changing in each regulation strategy (regulating parameter) is processed, and is translated in database corresponding with it direct regulation and control parameter.
Wherein, database can comprise: heat pump set system database, underground pipe system database and cooling tower database, 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: unit loading 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 is opened 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, in execution step, during S104, 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 correspondence " calculating parameter " at database.
Particularly, in step S105, control system feeds back to current " operational factor " of air-conditioning system the controller of control system, then controller, according to direct regulation and control parameter and the above-mentioned operational factor obtained by step S103, is searched 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), source 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 is utilized the related data of deposit in system database, calculates every kind of regulation strategy and carries out the rear variation tendency of system operation situation and the whole Energy Efficiency Ratio of system.
Step S107, judges whether the dry run time arrives setting value.
Particularly, when execution step S107, whether judgement reaches setting value for performing step the dry run time of S103 to S106, if do not reach setting value, returns to execution step S103 to S106; If reach setting value, 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 be used as the calculating that " system operational parameters " participates in circulation is carried out next time " system-computed parameter ", for example, 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, underground pipe leaving water temperature and cooling tower leaving water temperature via controller can be used as again the ground source inflow temperature of unit after processing, participate in the calculating of the parameters of heat pump set system.
Step S108, calculates the systematic energy efficiency ratio in setting-up time, and several regulating strategies that control system proposed 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, from control system " direct regulation and control parameter " processing, being converted into " system-computed parameter " needs the regular hour, and control system is preferably using the one-period of Air Conditioning Cycle as setting value.Within the time of setting, the number of times that carries out the whole Energy Efficiency Ratio calculating of air-conditioning system is certain so, and the result that the efficiency of entire system several times of obtaining in this period is calculated is averaged, as the foundation of choosing the regulating strategy of control system.
Step S109, the operation strategy of executive system Energy Efficiency Ratio maximum.
Particularly, in above-mentioned steps S109, by the average Energy Efficiency Ratio of system in pre-judgement setting-up time, move tactful selection and execution.
Preferably, control system is selected to obtain the highest regulation strategy of air-conditioning system Energy Efficiency Ratio, to air-conditioning system, sends regulation and control instruction, realizes the switching controls in adjusting, start and stop and the relevant water route of air-conditioning system, and assurance air-conditioning system is moved with high energy efficiency ratio.
Step S110, judges whether to arrive the unused time, wherein, if arrive the unused time, finishes; If do not arrive the unused time, return to execution step S101.
It should be noted that, in the step shown in the flow chart of accompanying drawing, can in the computer system such as one group of computer executable instructions, carry out, and, although there is shown logical order in flow process, but in some cases, can carry out shown or described step with the order being different from herein.
Fig. 4 is according to the structural representation of the control device of the application's air-conditioning system.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 according to each operational factor in system, to obtain the corresponding one or more regulation and control scheme of each operational factor; The first computing module 30, for each regulation and control scheme is carried out respectively to calculation process, to obtain and the average Energy Efficiency Ratio of the corresponding air-conditioning system of 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 corresponding the first regulation and control scheme of 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 application's air-conditioning system, adopt the first acquisition module, matching module, the first computing module, comparison module and sending module, the operational factor of the air-conditioning system of obtaining by basis changes judgement air-conditioning system operation conditions, and formulate one or more regulating strategies from the whole efficiency of air-conditioning system, then each regulation and control scheme calculation process is drawn to the Energy Efficiency Ratio that adopts air-conditioning system after every kind of regulation and control scheme, from each regulation and control scheme, select and carry out to make the highest regulation and control scheme of air-conditioning system Energy Efficiency Ratio, solved in prior art and can not carry out rationally regulating the lower technical problem of the whole efficiency of air-conditioning system of bringing from integral body to the control method of air-conditioning system, and then realized the effect that improves the whole 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 the adjusting parameter according to each regulation and control scheme, in the first database, inquire about, to obtain corresponding direct regulation and control parameter; The 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 for carrying out the first enquiry module to dry run time of computing module whether reach setting value; Preserve module, in the situation that the described dry run time reaches setting value, preserve all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; The second computing module, in the situation that 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 application's air-conditioning system, this device can also comprise: the second judge module, and for judging whether to arrive the unused time.
Fig. 5 is according to the structural representation of the control system of air-conditioning system of the present invention.Fig. 6 is according to the structural representation of the control system of the air-conditioning system of the embodiment shown in 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 according to each operational factor in system, to obtain the corresponding one or more regulation and control scheme of each operational factor; The first calculator 202, for each regulation and control scheme is carried out respectively to calculation process, to obtain and the average Energy Efficiency Ratio of the corresponding air-conditioning system of 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 corresponding the first regulation and control scheme of 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 of controlling 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 application's air-conditioning system, control system is connected with air-conditioning system, control system is by adopting first processor, the first calculator, comparator and dispensing device, by obtaining the operational factor of air-conditioning system, and according to each operational factor, in system, carry out matching treatment, to obtain the corresponding one or more regulation and control scheme of each operational factor, and each regulation and control scheme is carried out respectively to calculation process, to obtain the average Energy Efficiency Ratio of the air-conditioning system corresponding with each regulation and control scheme, then, the highest average Energy Efficiency Ratio of search 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, according to the first regulation and control scheme, to air-conditioning system, send regulation and control instruction, to realize the control to air-conditioning system.The application changes the operation conditions of judgement air-conditioning system according to the operational factor of the air-conditioning system getting, and formulate one or more regulating strategies from the whole efficiency of air-conditioning system, then each regulation and control scheme calculation process is drawn to the Energy Efficiency Ratio that adopts air-conditioning system after every kind of regulation and control scheme, from each regulation and control scheme, select and carry out to make the highest regulation and control scheme of air-conditioning system Energy Efficiency Ratio, solved in prior art and can not carry out rationally regulating the lower technical problem of the whole efficiency of air-conditioning system of bringing from integral body to the control method of air-conditioning system, and then realized the effect that improves the whole Energy Efficiency Ratio of air-conditioning system.
According to above-described embodiment of the application, the first calculator can comprise: the second processor, for the regulation and control parameter of 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; The 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 for carrying out the dry run time of the second processor whether reach setting value; Memory, is connected with the first checkout gear, in the situation that the dry run time reaches setting value, preserves all Energy Efficiency Ratio of the corresponding air-conditioning system of each regulation and control scheme; The 3rd calculator, is connected with the first checkout gear, in the situation that 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, and for judging whether to arrive the unused time.
Particularly, as shown in Figure 6, system database is comprised of three parts, comprises heat pump set system database, underground pipe system database and cooling tower systems database.In each database, there are three kinds of parameters: direct regulation and control parameter, system operational parameters and system-computed parameter.Wherein, " direct regulation and control parameter " is the parameter that system can direct quantitative while regulating be controlled, the parameter that " system operational parameters " not directly regulates and controls while being system operation, " system-computed parameter " value of corresponding a certain parameter with it after to be " direct regulation and control parameter " determine with " system operational parameters ", partly " system-computed parameter " also can be used as the calculating that " system operational parameters " participates in other " system-computed parameter ".
Particularly, " direct regulation and control parameter " according to its excursion, gets some numerical value according to certain intervals with " system operational parameters ", and for example the value of unit loading rate can get 30%, 35%, 40% ... 95%." system-computed parameter " can be before system be installed, by experiment or the method for analog computation obtain, also can in system running, the mode by self study obtain, or both combine, by related data writing system in advance, then in running, by self-learning function, come perfect.
In the above-described embodiments, the direct regulation and control parameter of heat pump set system database can have: unit loading 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), source 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 is opened 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, a kind of control method of air-conditioning system is provided, Apparatus and system, according to the operational factor of the air-conditioning system getting, change the operation conditions of judgement air-conditioning system, and formulate one or more regulating strategies from the whole efficiency of air-conditioning system, then each regulation and control scheme calculation process is drawn to the Energy Efficiency Ratio that adopts air-conditioning system after every kind of regulation and control scheme, from each regulation and control scheme, select and carry out to make the highest regulation and control scheme of air-conditioning system Energy Efficiency Ratio, solved in prior art and can not carry out rationally regulating the lower technical problem of the whole efficiency of air-conditioning system of bringing from integral body to the control method of air-conditioning system, and then realized the effect that improves the whole Energy Efficiency Ratio of air-conditioning system.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (13)
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 system according to operational factor described in each, to obtain the corresponding one or more regulation and control scheme of operational factor described in each;
Step S3, carries out respectively calculation process to regulation and control scheme described in each, to obtain and the average Energy Efficiency Ratio of the corresponding air-conditioning system of regulation and control scheme described in each;
Step S4, the highest average Energy Efficiency Ratio of search in average Energy Efficiency Ratio of air-conditioning system described in each, to obtain and corresponding the first regulation and control scheme of the highest described average Energy Efficiency Ratio;
Step S5, sends regulation and control instruction according to described the first regulation and control scheme to described air-conditioning system, to realize the control 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 adjusting 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 obtaining 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,
draw together: 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, whether judgement reaches setting value for performing step the dry run time of S1 to S3, wherein,
If the described dry run time does not reach setting value, return to circulation execution step S1 to S3;
If 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, 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, return to execution step S1;
If reach the unused time, exit.
5. a control device for air-conditioning system, is characterized in that, comprising:
The first acquisition module, for obtaining the operational factor of air-conditioning system;
Matching module, for carrying out matching treatment according to operational factor described in each in system, to obtain the corresponding one or more regulation and control scheme of operational factor described in each;
The first computing module, for regulation and control scheme described in each is carried out respectively to calculation process, to obtain and the average Energy Efficiency Ratio of the corresponding air-conditioning system of regulation and control scheme described in each;
Comparison module, for the highest average Energy Efficiency Ratio of the average Energy Efficiency Ratio search of air-conditioning system described in each, to obtain and corresponding the first regulation and control scheme of the highest described average Energy Efficiency Ratio;
Sending module, for sending regulation and control instruction according to described the first regulation and control scheme to described air-conditioning system, to realize the control to described air-conditioning system.
6. device according to claim 5, is characterized in that, described the first computing module comprises:
The first enquiry module, inquires about in the first database for the adjusting parameter according to regulation and control scheme described in each, to obtain corresponding direct regulation and control parameter;
The 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,
7. device according to claim 6, is characterized in that, described the first computing module also comprises:
The first judge module, for judging for carrying out the first enquiry module to dry run time of computing module whether reach setting value;
Preserve module, in the situation that 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;
The second computing module, in the situation that 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:
The second judge module, for judging whether to arrive the unused time.
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 according to operational factor described in each in system, to obtain the corresponding one or more regulation and control scheme of operational factor described in each;
The first calculator, for regulation and control scheme described in each is carried out respectively to calculation process, to obtain and the average Energy Efficiency Ratio of the corresponding air-conditioning system of regulation and control scheme described in each;
Comparator, for the highest average Energy Efficiency Ratio of the average Energy Efficiency Ratio search of air-conditioning system described in each, to obtain and corresponding the first regulation and control scheme of the highest described average Energy Efficiency Ratio;
Dispensing device, for sending regulation and control instruction according to described the first regulation and control scheme to described air-conditioning system, to realize the control to described air-conditioning system.
10. system according to claim 9, is characterized in that, described the first calculator comprises:
The second processor, for the adjusting parameter of regulation and control scheme described in each is converted into direct regulation and control parameter, and inquires about in tables of data according to described direct regulation and control parameter and described operational factor, to obtain corresponding calculating parameter;
The 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,
11. systems according to claim 10, is characterized in that, described the first calculator also comprises:
The 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.
12. systems according to claim 11, is characterized in that, described the second calculator comprises:
The first checkout gear, for judging for carrying out the dry run time of described the second processor whether reach setting value;
Memory, is connected with described the first checkout gear, in the situation that the described dry run time reaches setting value, preserves all Energy Efficiency Ratio of the corresponding described air-conditioning system of each regulation and control scheme;
The 3rd calculator, be connected with described the first checkout gear, for in the situation that 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.
13. systems according to claim 12, is characterized in that, described system also comprises:
Second detection device, for judging whether to arrive the unused time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210242196.6A CN103542489B (en) | 2012-07-12 | 2012-07-12 | The control method of air-conditioning system, Apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210242196.6A CN103542489B (en) | 2012-07-12 | 2012-07-12 | The control method of air-conditioning system, Apparatus and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103542489A true CN103542489A (en) | 2014-01-29 |
| CN103542489B CN103542489B (en) | 2015-12-09 |
Family
ID=49966200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210242196.6A Active CN103542489B (en) | 2012-07-12 | 2012-07-12 | The control method of air-conditioning system, Apparatus and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103542489B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868198A (en) * | 2014-03-06 | 2014-06-18 | 南京师范大学 | Energy efficiency ratio correcting method in wet and dry bulb temperature tolerance |
| 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 |
| CN108592331A (en) * | 2018-05-10 | 2018-09-28 | 深圳达实智能股份有限公司 | A kind of the cooling tower cooling mode control method and system of air-conditioning system |
| 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 |
| US10310478B2 (en) | 2016-01-19 | 2019-06-04 | Delta Electronics, Inc. | Power optimization system for air-side apparatus of air conditioning and power optimization method of the same |
| CN109869867A (en) * | 2018-12-29 | 2019-06-11 | 珠海格力电器股份有限公司 | A kind of control method of electric appliance, device, storage medium and electric appliance |
| CN110726216A (en) * | 2019-10-29 | 2020-01-24 | 珠海格力电器股份有限公司 | Air conditioner, control method, device and system thereof, storage medium and processor |
| CN110749053A (en) * | 2019-10-29 | 2020-02-04 | 珠海格力电器股份有限公司 | Control method and device of air conditioner |
| 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 |
| CN111981636A (en) * | 2020-08-13 | 2020-11-24 | 珠海格力电器股份有限公司 | Air conditioning system control method and device and air conditioning system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5261481A (en) * | 1992-11-13 | 1993-11-16 | American Standard Inc. | Method of determining setback for HVAC system |
| CN1275700A (en) * | 2000-06-02 | 2000-12-06 | 海尔集团公司 | Improved refrigerating system for one driving multiple-unit air conditioner |
| CN202648064U (en) * | 2012-07-12 | 2013-01-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Control system for air conditioning system and air conditioner |
-
2012
- 2012-07-12 CN CN201210242196.6A patent/CN103542489B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5261481A (en) * | 1992-11-13 | 1993-11-16 | American Standard Inc. | Method of determining setback for HVAC system |
| CN1275700A (en) * | 2000-06-02 | 2000-12-06 | 海尔集团公司 | Improved refrigerating system for one driving multiple-unit air conditioner |
| CN202648064U (en) * | 2012-07-12 | 2013-01-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Control system for air conditioning system and air conditioner |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868198A (en) * | 2014-03-06 | 2014-06-18 | 南京师范大学 | Energy efficiency ratio correcting method in wet and dry bulb temperature tolerance |
| CN103868198B (en) * | 2014-03-06 | 2016-06-15 | 南京师范大学 | Energy Efficiency Ratio modification method in a kind of wet and dry bulb temperature franchise |
| 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 |
| US10310478B2 (en) | 2016-01-19 | 2019-06-04 | Delta Electronics, Inc. | 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 |
| CN108592331A (en) * | 2018-05-10 | 2018-09-28 | 深圳达实智能股份有限公司 | A kind of the cooling tower cooling 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 |
| CN109869867A (en) * | 2018-12-29 | 2019-06-11 | 珠海格力电器股份有限公司 | A kind of control method of electric appliance, device, storage medium and electric appliance |
| 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 |
| CN110726216A (en) * | 2019-10-29 | 2020-01-24 | 珠海格力电器股份有限公司 | Air conditioner, control method, device and system thereof, storage medium and processor |
| CN110749053A (en) * | 2019-10-29 | 2020-02-04 | 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 |
| CN111981636A (en) * | 2020-08-13 | 2020-11-24 | 珠海格力电器股份有限公司 | Air conditioning system control method and device and air conditioning system |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103542489B (en) | 2015-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103542489B (en) | The control method of air-conditioning system, Apparatus and system | |
| Wang et al. | Modeling and optimal operation of community integrated energy systems: A case study from China | |
| Thangavelu et al. | Energy optimization methodology of multi-chiller plant in commercial buildings | |
| Liu et al. | Optimal chiller sequencing control in an office building considering the variation of chiller maximum cooling capacity | |
| US12000608B2 (en) | Central plant control system with setpoints modification based on physical constraints | |
| CN104698843B (en) | A kind of data center's energy-saving control method based on Model Predictive Control | |
| US8155793B2 (en) | System and method for controlling air conditioning facilities, and system and method for power management of computer room | |
| US9124098B2 (en) | Managing excess renewable energy | |
| CN202648064U (en) | Control system for air conditioning system and air conditioner | |
| US11092352B2 (en) | Central plant control system with computation reduction based on stranded node analysis | |
| Chang | An innovative approach for demand side management—optimal chiller loading by simulated annealing | |
| CN110736227A (en) | Building management system with online configurable system identification | |
| CN104898422B (en) | The hierarchical optimal algorithm of United system | |
| US10948884B2 (en) | Building control based on uneven load distribution | |
| CN102365503A (en) | Supply water temperature controller and control method therefor | |
| US20110049984A1 (en) | Power-consumption control apparatus and method for smart meter | |
| DE102016015503A1 (en) | Heating and / or cooling system with predictive energy management | |
| US20190033800A1 (en) | Central plant control system based on load prediction through mass storage model | |
| WO2016148651A1 (en) | Method of operating a building environment management system | |
| CN108168030A (en) | A kind of intelligent control method based on refrigeration performance curve | |
| CN112614013A (en) | Multi-energy coupling scheduling system and method for multi-station fusion type distributed energy station | |
| Chen et al. | Optimal consumption modeling of multi–chiller system using a robust optimization algorithm with considering the measurement, control and threshold uncertainties | |
| CN109405056A (en) | A method of with heat source system heat supply and accumulation of heat decoupling operation | |
| US8682635B2 (en) | Optimal self-maintained energy management system and use | |
| CN105423492B (en) | Computer room monitors system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |