CN103822330A - Far-end intelligent energy-saving control system and method for central air-conditioner - Google Patents
Far-end intelligent energy-saving control system and method for central air-conditioner Download PDFInfo
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- CN103822330A CN103822330A CN201410027607.9A CN201410027607A CN103822330A CN 103822330 A CN103822330 A CN 103822330A CN 201410027607 A CN201410027607 A CN 201410027607A CN 103822330 A CN103822330 A CN 103822330A
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Abstract
The invention relates to a far-end intelligent energy-saving control system and method for a central air-conditioner. A control interface output end of a terminal controller is in series connection to control fan power and an electromagnetic valve of cold/hot circulating water, and a central control computer sends signal to the terminal controller via a communication control module between layers. The terminal controller directly controls the fan power and the electromagnetic valve of cold/hot circulating water according to optimal control parameters sent by the central control computer. The system is mounted outside of the control system of the central air-conditioner, the terminal controller can be controlled to open and close the fan power and the electromagnetic valve of the cold/hot circulating water in an air outlet directly. In the system, modifying of the controller of a central air conditioning unit is avoided and the operation of the far-end fan power and the electromagnetic valve of the cold/hot circulating water directly is adjusted directly as the central air conditioning unit adjusts the operation of the unit according to the actual temperature or the flow of the return water automatically. The system is superimposed to the prior central air-conditioner other than changing the original set of the central air-conditioner.
Description
Technical field
The present invention relates to a kind of energy-saving control system, be specifically related to a kind of for central air-conditioning distal environment temperature and cold/heat source load are carried out to automatic long-range scientific management and central air-conditioning far-end intelligent energy-saving control system and the method for concentrating regulation and control.
Background technology
Along with the fast development of economic society, central air-conditioning, as large-scale energy consumption equipment, is applied to all kinds of big-and-middle-sized buildings at large, in improving people's production and living conditions, has also consumed a large amount of electric energy.On June 3rd, 2007, the General Office of the State Council has sent the notice about strict implement public building air-conditioner temperature control criterion: the unit in all public buildings, comprise government offices, public organization, enterprises and institutions' tissue and self-employed entrepreneur, except special units such as hospitals and in production technology, temperature is had particular requirement authorized user, the setting of Summer Indoor air-conditioner temperature must not be lower than 26 ℃.But, whether regulate central air-conditioning far-end temperature according to above-mentioned country with the requirement of cold/heat, can only rely on awareness of saving energy and the conscious behavior of individual subscriber, even not according to requiring the operator of carrying out central air-conditioning also cannot intervene.Through investigation, still have very most user summer, be below 26 ℃ by central air-conditioning Temperature Setting, what have is set as 18 ℃, far beyond national regulation, causes a large amount of electric energy to consume in vain.
At present main by BA(Building Automation System-RTU) system is to the equipment in central air conditioner system, comprise central host, chilled water pump, cooling water pump etc. concentrate monitor and on off control, because being controls each equipment in conjunction with parameter-embedded uniaxially according to return water temperature/flow, only set out in equipment configuration aspect, disconnect with the concrete operating mode of end, therefore BA system cannot be carried out real-time management to the end of central air conditioner system, and energy saving is poor.Simultaneously because fund input is large, engineering construction restriction is many, can only be limited in the control with scene, central host room and can not transform between with cold-room far-end.
Also have some centralized control systems, great majority are take PLC as main control unit, and not only cost is high, and will the control section of air-conditioning system be controlled on a large scale and be transformed, and has limited the scope of application.
Summary of the invention
The present invention is directed to the defect of prior art, propose a kind of by gathering the real time temperature in all far-ends room, take indoor temperature set temperature threshold in or more than as management objectives, to central air conditioner system far-end cold/heat recirculated water magnetic valve, blower fan carry out real-time Based Intelligent Control, regulate the indoor use of remote subscriber cold/heat, realize the central air-conditioning far-end intelligent energy-saving control system of energy-conservation (containing hot/cold energy and electric energy) of maximum central air-conditioning, and realize the energy-saving control method of said system.
Technical scheme of the present invention is as follows:
A kind of central air-conditioning far-end intelligent energy-saving control system, is characterized in that: it comprises central control computer, one-level control bus, interlayer communication control module, secondary control bus and is arranged on the terminal control unit on each air-conditioner air outlet of each air-conditioned room; The control interface output of described terminal control unit is serially connected in the power supply control input end of remote equipment; Described central control computer connects the interlayer communication control module of corresponding each layer by described one-level control bus, realize interlayer communication; Described interlayer communication control module connects the terminal control unit with layer by described secondary control bus, realizes intralayer communication; Described terminal control unit gather described air-conditioner air outlet real time temperature, comprise the service data of the running status of described remote equipment, described real time temperature and service data are inputted in described central control computer and are calculated and control parameter; The control parameter that described terminal control unit sends according to described central control computer is directly controlled the power supply of described remote equipment.
Described remote equipment comprises blower fan and cold/heat recirculated water magnetic valve.
Described terminal control unit comprises the temperature acquisition interface, solenoid control output interface, the air-blower control output interface that are connected with industrial communication interface respectively; Described temperature acquisition interface gathers the real time temperature of air conditioning exhausting port area, described solenoid control output interface according to the control of described control parameter cold/heat recirculated water magnetic valve opens and closes, gathers and export the service data of cold/heat recirculated water magnetic valve, described air-blower control output interface opens and closes, gathers and export the service data of blower fan according to described control parameter control blower fan;
Described industrial communication interface receives the control parameter of described central control computer output by described interlayer communication control module, and sends real time temperature and service data to described central control computer.
Customer data base is set in described central control computer and stores preset energy-saving run process, time threshold and temperature threshold, real time temperature and the service data of described terminal control unit input.
Described service data comprises wind speed and open and-shut mode and running time, the open and-shut mode of cold/heat recirculated water magnetic valve and the fault-signal of running time, blower fan and cold/heat recirculated water magnetic valve of blower fan.
In described central control computer, Man Machine Interface is set, the intervention parameter of being inputted by described Man Machine Interface is directly intervened adjustment to the optimal control parameter of automatic generation, generates after comprising the intervention of running time of new running temperature, new remote equipment and controls parameter; Described intervention is controlled afterwards parameter and is inputted the remote equipment of directly controlling described air-conditioner air outlet in described terminal control unit.
Between described Man Machine Interface and mobile device, communicate, receive the intervention parameter of described mobile device input, and return to temperature and service data to described mobile device.
Described one-level control bus and secondary control bus are CAN/485 bus.
Described interlayer communication control module and terminal control unit are single-chip microcomputer.
A control method that realizes described central air-conditioning far-end intelligent energy-saving control system, its step comprises:
1) the central air-conditioning far-end intelligent energy-saving control system being made up of central control computer, one-level control bus, interlayer communication control module, secondary control bus and terminal control unit is set;
2) described central control computer is after control program starts, by described one-level control bus to described interlayer communication control module airtime synch command, the inside real-time clock of synchronous each described interlayer communication control module;
3) described central control computer is according to energy-saving run process, time threshold and temperature threshold preset in customer data base, generation comprises the initial optimal control parameter of running temperature, remote equipment running status, or generates and intervene the rear parameter of controlling according to the intervention parameter of being inputted by Man Machine Interface;
4) described central control computer will be comprised described initial optimal control parameter or intervene the rear parameter of controlling and issue each terminal control unit by described interlayer communication control module;
5) described terminal control unit completes the control to remote equipment according to controlling parameter after initial optimal control parameter or intervention, thereby controls the temperature of air-conditioned room;
6) described central control computer completes all optimal control parameters or intervenes rear control after parameter transmission, and whether have normal communication reply, and send status inquiry command to each described terminal control unit if starting the each interlayer communication control module of automatic detecting;
7) described terminal control unit is received after described status inquiry command, real time temperature and service data are fed back to the preset time threshold value and the temperature threshold that in central control computer and described customer data base, store compares, automatically calculate according to comparison result the optimal control parameter making new advances, or control parameter after generating new intervention according to the intervention parameter of being inputted by Man Machine Interface; And by new optimal control parameter or control parameter after intervening and enter the circulation of step 3);
8) show and record the service data of each described terminal control unit by the boundary user oriented of Man Machine Interface; Service data is inputted in described customer data base and form relevant data and curves chart.
Described remote equipment comprises blower fan and cold/heat recirculated water magnetic valve, and described energy-saving run process comprises:
A. summer energy-saving running: in the time threshold of setting, room temperature is less than or equal under temperature threshold prescribes a time limit, and automatically closes cold/heat recirculated water magnetic valve, and automatically will after wind speed motor delay a period of time of blower fan, close, the object of saving refrigeration energy completed; When being more than or equal on temperature threshold, room temperature prescribes a time limit, open cold/heat recirculated water magnetic valve automatically, and automatically the wind speed motor of blower fan is opened, complete the object of refrigeration cool-down;
B. winter saving energy running: in the time threshold of setting, room temperature is more than or equal on temperature threshold prescribes a time limit, and automatically closes cold/heat recirculated water magnetic valve, and automatically will after wind speed motor delay a period of time of blower fan, close, complete and save the object that heats energy; In the time that room temperature is less than or equal to temperature threshold, open cold/heat recirculated water magnetic valve automatically, and automatically the wind speed motor of blower fan is opened, complete the object that heats intensification;
C. new blower fan group intermittent duty process: in the time threshold of setting, according to the interval of setting-up time, automatically move or stop new blower fan group air supply motor, to reach the object of saving air supply motor electric energy.
In described step 4), described interlayer communication control module according to real-time clock to each described terminal control unit in this layer send initial control parameter or intervene after control parameter.
Technique effect of the present invention is as follows:
A kind of central air-conditioning far-end intelligent energy-saving control system of the present invention, comprises central control computer (containing controlling software), one-level control bus, interlayer communication control module, secondary control bus and is arranged on the terminal control unit on each air-conditioner air outlet of each air-conditioned room; The control interface output of terminal control unit is serially connected in the power supply control input end of fan power and cold/heat recirculated water magnetic valve; Central control computer connects the interlayer communication control module of upper corresponding each layer by one-level control bus, realize interlayer communication; Interlayer communication control module connects the terminal control unit with layer by secondary control bus, realizes intralayer communication; The optimal control parameter that terminal control unit sends according to central control computer is directly controlled fan power and cold/heat recirculated water magnetic valve.System of the present invention is arranged on outside the control system of original central air-conditioning, open and close and control by the terminal control unit directly fan power to air outlet and cold/heat recirculated water magnetic valve, because the operation of central air-conditioning unit is self-adjusting according to the actual temperature/flow of backwater, therefore native system misaligns the controller of centre air-conditioning unit and changes, but directly adjust by the running status of the fan power to far-end and cold/heat recirculated water magnetic valve, in the time arranging, be superimposed upon in original central air conditioner system, do not change original setting.
The present invention is independent of outside the control system of original central air-conditioning, by hardware facility and software control, fan power to far-end and cold/heat recirculated water magnetic valve carry out accurate adjustment, guaranteeing cold/hot demand of the basic use of user simultaneously, force users is cold/heat for requirement in accordance with regulations, and reach the use of national regulation cold/heat request.Between terminal control unit of the present invention and central control computer, take closed-loop control means, can obtain maximized energy-saving effect.
Central control computer of the present invention is as data acquisition, control and process core, there is superior performance, stable feature, also can add artificial intervention parameter, reach the effect of automatic management, maximum energy-saving, solved remote side administration difficulty (not controlled situation), the central air-conditioning large problem that consumes energy.
Remote end module quantity in every layer of the present invention can be by the setting of virtual floor using, number of control points in controlled physically floor quantity (can reach 999 layers) and layer (with layer Nei Keda 999 control point) greatly, can be optimized control to domestic all high-rise buildings or the vast floor (as multi storied factory building) of unit are.
The present invention adopts single-chip microcomputer to replace conventional PLC as interlayer communication control module and terminal control unit, gives full play to the advantage that single-chip microcomputer computing capability is strong, cost is low, is convenient to large-scale enforcement.
Accompanying drawing explanation
Fig. 1 is terminal control unit connection diagram of the present invention
Fig. 2 is central air-conditioning far-end intelligent energy-saving control system structural representation of the present invention
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be described.
In the following description, the technical staff that some details are computer realm provides entirety of the present invention is understood.In an embodiment, show to realize the element of concrete function with the form of schematic diagram or block diagram, so that outstanding technology emphasis, and can be in fuzzy the present invention aspect unnecessary details.Such as, in understanding scope due to those of ordinary skills, contain about details disclosed in this areas such as network service, electromagnetic signal instruction technique, user interface or I/O technology, common-sense, thereby omitted to the full extent in an embodiment above-mentioned ins and outs, and do not think that these details are to obtain the necessary feature of complete skill scheme of the present invention.
As shown in Figure 1, central air-conditioning far-end intelligent energy-saving control system of the present invention, comprising: the customer data base arranging in central control computer 1, one-level control bus 2, interlayer communication control module 3, secondary control bus 4, terminal control unit 5 and central control computer 1.Central control computer 1 is by connecting the interlayer communication control module 3 of corresponding each layer on one-level control bus 2, for realizing interlayer communication; Each interlayer communication control module 3 is communication relays, inside has the interior address code of unique machine for interlayer addressing, and interlayer communication control module 3 connects the terminal control unit 5 of corresponding each air outlet by secondary control bus 4, for realizing intralayer communication.Terminal control unit 5 is arranged on the each air outlet in each air-conditioned room directly fan power and cold/heat recirculated water magnetic valve are controlled, inside there is the interior address code of unique machine for addressing in layer, receive the control parameter that central control computer 1 sends, and return to the service data of the real time temperature, fan operation state and the cold/heat recirculated water magnetic valve running status that comprise air-conditioner air outlet to central control computer 1.
The temperature acquisition interface that be provided for connecting temperature sensor in terminal control unit 5, gathers real time temperature in region, air outlet place, be used for controlling cold/heat recirculated water magnetic valve and open and close, gather and export cold/heat recirculated water magnetic valve open and-shut mode, open and close, gather and export the air-blower control output interface of blower fan open and-shut mode and running time for controlling blower fan, and connect the industrial communication interface of secondary industrial bus 4.If there is new blower fan group in central air conditioner system originally, in terminal control unit 5, separately establish and control the control command output interface that in new blower fan group, air supply motor opens and closes.Customer data base is for storing preset energy-saving run process, time threshold and temperature threshold, the service data of the real time temperature of the air-conditioner air outlet of being inputted by terminal control unit 5 and blower fan, cold/heat recirculated water magnetic valve, and the intervention parameter of being inputted by Man Machine Interface.Wherein service data comprises the data of the description such as wind speed and open and-shut mode and running time, the open and-shut mode of cold/heat recirculated water magnetic valve and the fault-signal of running time, blower fan and the cold/heat recirculated water magnetic valve running status of blower fan.
As shown in Figure 2, suppose that air-conditioned room is with the cold/warm for mode of fan coil in business office building, in the time that central air-conditioning far-end intelligent energy-saving control system of the present invention is set, first, at each each air-conditioner air outlet, place arranges a terminal control unit 5, on temperature acquisition interface, be connected into the temp probe of dress temperature sensor, wherein temp probe adopts DS18B20 digital temperature probe simultaneously.Secondly, the indoor controller of air-conditioning to power line one end of fan power and cold/heat recirculated water magnetic valve is disconnected, the control interface output of terminal control unit 5 is sealed in to the power supply control input end (internal relay control) of fan power and cold/heat recirculated water magnetic valve, to reach the object of fan power and cold/heat recirculated water magnetic valve of direct control air outlet.Afterwards, in the vertical shaft of every layer, install distribution control box additional, distribution control box comprise 24V power module and interlayer communication control module 3 last, by 4 core cables, 24V power supply and secondary control bus 4 are connected to respectively on the power input and industrial communication interface of each terminal control unit 5 of this layer, to reach power supply and the object of communicating by letter.Central control computer 1 is connected into the interlayer communication control module 3 in vertical shaft by one-level control bus 2, completes communication control function.
Central control computer 1 sends the order of status poll to the industrial communication interface of terminal control unit 5 by one-level control bus 2, interlayer communication control module 3 and secondary control bus 4.Real time temperature and service data input industrial communication interface in the region that terminal control unit 5 gathers temperature acquisition interface, solenoid control output interface and air-blower control output interface, by industrial communication interface through secondary control bus 4, interlayer communication control module 3 and one-level control bus 2 by importing central control computer 1 in service data into, as the feedback of central control computer 1 status poll.Central control computer 1 receives the preset time threshold value and the temperature threshold that in real time temperature and service data and customer data base, store and compares, automatically calculate the optimal control such as running temperature and the running time parameter of terminal control unit 5 according to comparison result, and by one-level control bus 2, interlayer communication control module 3 and secondary control bus 4, optimal control parameter is returned to industrial communication interface, optimal control parameter is exported to respectively solenoid control output interface and air-blower control output interface by industrial communication interface, forms real-time closed-loop control.Based on real-time clock control cold/switching of heat recirculated water magnetic valve and blower fan, regulate use in remote subscriber air-conditioned room cold/heat, realize the energy-conservation of maximum central air-conditioning.
The optimal control parameter of being exported by central control computer 1 due to 5 execution of terminal control unit is directly controlled switching and the running time of fan power and cold/heat recirculated water magnetic valve, therefore terminal control unit 5 can be single-chip microcomputer with low cost, and do not need directly central air conditioner system originally to be changed, be convenient to large-scale enforcement.
In order to increase the autgmentability of native system, also can in central control computer 1, Man Machine Interface be set, conveniently be used for inputting intervention parameter, automatically the optimal control parameter generating in central control computer 1 is intervened to adjustment, as set forcing the running time of blower fan and cold/heat recirculated water magnetic valve.Central control computer 1 generates after intervening the running time etc. that comprises new running temperature, fan power and cold/heat recirculated water magnetic valve and controls parameter according to intervening parameter, solenoid control output interface in terminal control unit 5 and air-blower control output interface are forced to control, as fan power and the cold/heat recirculated water magnetic valve of closing unmanned room reach energy-conservation object.Man Machine Interface can either be realized local input and interface display, also can realize communicating by letter between mobile device, receive the intervention parameter of being exported by communication network or internet by mobile device and be kept in customer data base, optimal control parameter is intervened to adjustment, and to real time temperature and service data in mobile device return area.
The energy-saving run process storing in customer data base and correlation time threshold value and the setting of temperature threshold comprise:
A. summer energy-saving running: in the time threshold of setting, room temperature is less than or equal under temperature threshold prescribes a time limit, and automatically closes cold/heat recirculated water magnetic valve, and automatically will after wind speed motor delay a period of time of blower fan, close, the object of saving refrigeration energy completed; When being more than or equal on temperature threshold, room temperature prescribes a time limit, open cold/heat recirculated water magnetic valve automatically, and automatically the wind speed motor of blower fan is opened, complete the object of refrigeration cool-down;
B. winter saving energy running: in the time threshold of setting, room temperature is more than or equal on temperature threshold prescribes a time limit, and automatically closes cold/heat recirculated water magnetic valve, and automatically will after wind speed motor delay a period of time of blower fan, close, complete and save the object that heats energy; In the time that room temperature is less than or equal to temperature threshold, open cold/heat recirculated water magnetic valve automatically, and automatically the wind speed motor of blower fan is opened, complete the object that heats intensification;
C. new blower fan group intermittent duty process: in the time threshold of setting, according to the interval of setting-up time, automatically move or stop new blower fan group air supply motor, to reach the object of saving blower fan electric energy.
The control method of the central air-conditioning far-end intelligent energy-saving control system of the present embodiment comprises the following steps:
1) central control computer 1, after control program starts, first passes through one-level control bus 2 to 3 airtime of interlayer communication control module synch command, the inside real-time clock of synchronous each interlayer communication control module 3;
2) central control computer 1 generates and comprises running temperature and blower fan, the initial optimal control parameter of cold/heat recirculated water magnetic valve running time according to energy-saving run process preset in customer data base, time threshold and temperature threshold, or generates after intervening and control parameter according to the intervention parameter of being inputted by Man Machine Interface;
3) central control computer 1 will comprise optimal control parameter by interlayer communication control module 3 or intervene rear control parameter the industrial communication interface of issuing each terminal control unit 5, obtain after the answer of industrial communication interface confirmation, then send next node; Interlayer communication control module 3 according to real-time clock to each terminal control unit 5 in this layer send optimal control parameter or intervene after control parameter;
4) terminal control unit 5 is according to optimal control parameter or control parameter after intervening and complete the control to blower fan wind speed and open and-shut mode, cold/heat recirculated water magnetic valve open and-shut mode, thereby controls the temperature of air-conditioned room;
5) central control computer 1 completes all optimal control parameters or intervenes rear control after parameter transmission, start the interlayer communication control module 3 of every layer of automatic detecting, between inspection layer, whether communication control module 3 has normal communication to reply, and sends status inquiry command to each terminal control unit 5;
6) terminal control unit 5 by the real time temperature collecting and service data feed back in central control computer 1 with customer data base in the preset time threshold value and the temperature threshold that store compare, automatically calculate according to comparison result the optimal control parameter making new advances, or control parameter after generating new intervention according to the intervention parameter of being inputted by Man Machine Interface; Control parameter after new optimal control parameter or intervention is entered to the circulation of step 3);
7) show and record the service data of each terminal control unit 5 by the boundary user oriented of Man Machine Interface; Service data is inputted in customer data base and forms relevant data and curves chart, so as to record, statistical analysis service data, as calculation optimization control parameter with select the foundation of energy-saving run process;
8) after completing optimal control parameter or intervene, central control computer 1 controls after the output of parameter, if do not needed that the service data of terminal control unit 5 is monitored or manual control, and when customer data base does not need to carry out data record, statistical analysis and calculating, central control computer 1 gets final product closing control program and power supply, reaches the object of power saving; Transfer to be controlled afterwards by optimal control parameter or intervention by interlayer communication control module 3 and terminal control unit 5 running status of setting parameter, carry out from main regulation.
It should be pointed out that the above specific embodiment can make the invention of those skilled in the art's comprehend, but do not limit the present invention in any way creation.Therefore; although this description has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can modify or be equal to replacement the invention; in a word, all do not depart from technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.
Claims (12)
1. a central air-conditioning far-end intelligent energy-saving control system, is characterized in that: it comprises central control computer, one-level control bus, interlayer communication control module, secondary control bus and is arranged on the terminal control unit on each air-conditioner air outlet of each air-conditioned room; The control interface output of described terminal control unit is serially connected in the power supply control input end of remote equipment; Described central control computer connects the interlayer communication control module of corresponding each layer by described one-level control bus, realize interlayer communication; Described interlayer communication control module connects the terminal control unit with layer by described secondary control bus, realizes intralayer communication; Described terminal control unit gather described air-conditioner air outlet real time temperature, comprise the service data of the running status of described remote equipment, described real time temperature and service data are inputted in described central control computer and are calculated and control parameter; The control parameter that described terminal control unit sends according to described central control computer is directly controlled the power supply of described remote equipment.
2. central air-conditioning far-end intelligent energy-saving control system as claimed in claim 1, is characterized in that: described remote equipment comprises blower fan and cold/heat recirculated water magnetic valve.
3. central air-conditioning far-end intelligent energy-saving control system as claimed in claim 1 or 2, is characterized in that: described terminal control unit comprises the temperature acquisition interface, solenoid control output interface, the air-blower control output interface that are connected with industrial communication interface respectively; Described temperature acquisition interface gathers the real time temperature of air conditioning exhausting port area, described solenoid control output interface according to the control of described control parameter cold/heat recirculated water magnetic valve opens and closes, gathers and export the service data of cold/heat recirculated water magnetic valve, described air-blower control output interface opens and closes, gathers and export the service data of blower fan according to described control parameter control blower fan;
Described industrial communication interface receives the control parameter of described central control computer output by described interlayer communication control module, and sends real time temperature and service data to described central control computer.
4. central air-conditioning far-end intelligent energy-saving control system as claimed in claim 1, it is characterized in that: customer data base is set in described central control computer and stores preset energy-saving run process, time threshold and temperature threshold, real time temperature and the service data of described terminal control unit input.
5. the central air-conditioning far-end intelligent energy-saving control system as described in claim 1 or 4, is characterized in that: described service data comprises wind speed and open and-shut mode and running time, the open and-shut mode of cold/heat recirculated water magnetic valve and the fault-signal of running time, blower fan and cold/heat recirculated water magnetic valve of blower fan.
6. the central air-conditioning far-end intelligent energy-saving control system as described in claim 1 or 2 or 4, it is characterized in that: in described central control computer, Man Machine Interface is set, the intervention parameter of being inputted by described Man Machine Interface is directly intervened adjustment to the optimal control parameter of automatic generation, generates after comprising the intervention of running time of new running temperature, new remote equipment and controls parameter; Described intervention is controlled afterwards parameter and is inputted the remote equipment of directly controlling described air-conditioner air outlet in described terminal control unit.
7. central air-conditioning far-end intelligent energy-saving control system as claimed in claim 6, it is characterized in that: between described Man Machine Interface and mobile device, communicate, receive the intervention parameter of described mobile device input, and return to temperature and service data to described mobile device.
8. the central air-conditioning far-end intelligent energy-saving control system as described in claim 1 or 2 or 4 or 7, is characterized in that: described one-level control bus and secondary control bus are CAN/485 bus.
9. the central air-conditioning far-end intelligent energy-saving control system as described in claim 1 or 2 or 4 or 7, is characterized in that: described interlayer communication control module and terminal control unit are single-chip microcomputer.
10. a control method for the central air-conditioning far-end intelligent energy-saving control system of realization as described in one of claim 1-9, its step comprises:
1) the central air-conditioning far-end intelligent energy-saving control system being made up of central control computer, one-level control bus, interlayer communication control module, secondary control bus and terminal control unit is set;
2) described central control computer is after control program starts, by described one-level control bus to described interlayer communication control module airtime synch command, the inside real-time clock of synchronous each described interlayer communication control module;
3) described central control computer is according to energy-saving run process, time threshold and temperature threshold preset in customer data base, generation comprises the initial optimal control parameter of running temperature, remote equipment running status, or generates and intervene the rear parameter of controlling according to the intervention parameter of being inputted by Man Machine Interface;
4) described central control computer will be comprised described initial optimal control parameter or intervene the rear parameter of controlling and issue each terminal control unit by described interlayer communication control module;
5) described terminal control unit completes the control to remote equipment according to controlling parameter after initial optimal control parameter or intervention, thereby controls the temperature of air-conditioned room;
6) described central control computer completes all optimal control parameters or intervenes rear control after parameter transmission, and whether have normal communication reply, and send status inquiry command to each described terminal control unit if starting the each interlayer communication control module of automatic detecting;
7) described terminal control unit is received after described status inquiry command, real time temperature and service data are fed back to the preset time threshold value and the temperature threshold that in central control computer and described customer data base, store compares, automatically calculate according to comparison result the optimal control parameter making new advances, or control parameter after generating new intervention according to the intervention parameter of being inputted by Man Machine Interface; And by new optimal control parameter or control parameter after intervening and enter the circulation of step 3);
8) show and record the service data of each described terminal control unit by the boundary user oriented of Man Machine Interface; Service data is inputted in described customer data base and form relevant data and curves chart.
11. a kind of central air-conditioning far-end intelligent power saving control methods as claimed in claim 10, is characterized in that: described remote equipment comprises blower fan and cold/heat recirculated water magnetic valve, and described energy-saving run process comprises:
A. summer energy-saving running: in the time threshold of setting, room temperature is less than or equal under temperature threshold prescribes a time limit, and automatically closes cold/heat recirculated water magnetic valve, and automatically will after wind speed motor delay a period of time of blower fan, close, the object of saving refrigeration energy completed; When being more than or equal on temperature threshold, room temperature prescribes a time limit, open cold/heat recirculated water magnetic valve automatically, and automatically the wind speed motor of blower fan is opened, complete the object of refrigeration cool-down;
B. winter saving energy running: in the time threshold of setting, room temperature is more than or equal on temperature threshold prescribes a time limit, and automatically closes cold/heat recirculated water magnetic valve, and automatically will after wind speed motor delay a period of time of blower fan, close, complete and save the object that heats energy; In the time that room temperature is less than or equal to temperature threshold, open cold/heat recirculated water magnetic valve automatically, and automatically the wind speed motor of blower fan is opened, complete the object that heats intensification;
C. new blower fan group intermittent duty process: in the time threshold of setting, according to the interval of setting-up time, automatically move or stop new blower fan group air supply motor, to reach the object of saving air supply motor electric energy.
12. a kind of central air-conditioning far-end intelligent power saving control methods as described in claim 10 or 11, it is characterized in that: in described step 4), described interlayer communication control module according to real-time clock to each described terminal control unit in this layer send initial control parameter or intervene after control parameter.
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| CN201410027607.9A CN103822330A (en) | 2014-01-21 | 2014-01-21 | Far-end intelligent energy-saving control system and method for central air-conditioner |
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| CN104456868A (en) * | 2014-11-19 | 2015-03-25 | 珠海格力电器股份有限公司 | Air conditioner control system |
| CN107270484A (en) * | 2017-06-26 | 2017-10-20 | 珠海格力电器股份有限公司 | Air conditioning system and data query response method and device thereof |
| CN110784387A (en) * | 2019-11-04 | 2020-02-11 | 刘晓飞 | Method for realizing distributed intelligent physiotherapy system |
| CN112628935A (en) * | 2020-12-22 | 2021-04-09 | 丽水市知源科技有限公司 | Market air conditioning system based on Internet of things and control method thereof |
| CN112665032A (en) * | 2019-10-16 | 2021-04-16 | 苏州创连冠智能科技有限公司 | Energy-saving central air conditioner |
| CN113375295A (en) * | 2021-05-26 | 2021-09-10 | 青岛海尔空调器有限总公司 | Method for generating virtual character interaction, interaction system, electronic device and medium |
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