CN100412456C - Commercial air conditioner management system and control method thereof - Google Patents
Commercial air conditioner management system and control method thereof Download PDFInfo
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- CN100412456C CN100412456C CNB2005100751020A CN200510075102A CN100412456C CN 100412456 C CN100412456 C CN 100412456C CN B2005100751020 A CNB2005100751020 A CN B2005100751020A CN 200510075102 A CN200510075102 A CN 200510075102A CN 100412456 C CN100412456 C CN 100412456C
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Abstract
The present invention relates to a commercial air conditioner management system and a control method thereof. The present invention comprises a network computer, one or more than one server, and one or more than one air conditioner system, wherein the network computer, the server and the air conditioner system are orderly connected; the network computer is connected with the server through Internet/ Intranet; a gateway is arranged between each server and each air conditioner system; the server is connected with the gateway through a twisted pair; the gateway is connected with the air conditioner system through a twin-core shielding line. The air conditioner management system comprises two technological processes, namely a control information technological process and a monitoring information technological process, wherein the control information technological process is that the server receives all data transmitted by the network computer; then, the server transmits control signals to the gateway; after protocol conversion, the gateway transmits the control information to the air conditioner system; the opposite direction of the control information technological process is the monitoring information technological process.
Description
Technical field
The present invention relates to a kind of air-condition management system, be meant a kind of commercial air conditioner management system especially.This commercial air conditioner management system is applicable to the air-conditioner of multi-evaporator inverter air conditioner device and other commercial purposes, can realize the extensive centralized Control of air-conditioning and monitoring in real time, communication protocol (the LONWORKS that management system application is open, TCP/IP etc.), also can be used as subsystem and incorporate bed rearrangement building management system (BMS) into.Simultaneously, the present invention relates to a kind of control method that is used for this management system.
Background technology
At present, existing air-conditioning control, management system, Chinese patent application is arranged, application number: 00100570.7, applicant: Yao Yiwu, denomination of invention is " air conditioner controller with network control function ", is a kind of air conditioner controller with network control function, comprise sensor, sample circuit, computer processing unit, control circuit, and executing agency, it is characterized in that controller have one link to each other with control circuit, the communication interface of external network.This communication interface can be connected with the internet by computer, also can be connected with the internet by telephone network by internal or external modem.The service data of aircondition and control signal can be transmitted by the internet, realize that telecommunication network detects and control, provide in time extensive maintenance and regulation and control to air conditioner user.Its weak point is to detect and control air-conditioner, and function is limited; And do not form system, can not be on a large scale, many air-conditioners control.
In the patent No.: disclose a kind of centralized Control of all families of a certain zone or commercial use air conditioner and central controlled network system of air-conditioner of display monitoring thereof of being applicable in 99124669.1 the Chinese patent application, the major technique feature is that it comprises some subscriber's extension station air-conditioners, send the central control board of some subscriber's extension station air-conditioners of control command control by interface circuit, communication channel, translation interface, have the air-conditioning in a certain zone can be trooped in control and display monitoring thereof, and easily operation, cost are low, can be easy to maintenance etc. characteristics.In this technical scheme, it is too much that its weak point is to add the annex of the required outfit of the user of every suit branch of system, from central authorities' control platform, each family extension set all needs to be equipped with at least one cover single-chip microcomputer, signal transmission/reception, modulating/demodulating, translation interface or the like, not low on cost, add too much circuit is set, safeguard and inconvenience, the most important point is the central controlled advantage of the inreal embodiment of this scheme, each user can independent operating, so the centralized Control of this form only is suitable for small-sized concentrated user, for, large-scale commercial user implements the difficulty of comparison.
A kind of air conditioning managing method for information display and air-conditioning pipe are disclosed in the patent No. is 97181926.2 Chinese patent
The reason device, the running-active status data of the aircondition in making each room that is configured in floor show on display and concentrate in the air conditioning managing device of these airconditions of management, have the image storage unit of the designed image of storage floor, an extraction unit partial image and the running-active status data are appended on this parts of images and image-display units that shows at display and the position that makes extraction unit partial image from designed image are the extraction position mobile unit that unit moves by the room from the designed image of image storage unit stores.Though, this technology has also embodied a kind of method and display unit of managing air-conditioner concentratedly, but, this technical scheme mainly is to set about from the centralized displaying aspect, by display interface management devices is controlled, the goal of the invention that will propose with the present invention, technical scheme etc. have tangible difference.
Because the defective and the deficiency of above-mentioned prior art, those skilled in the art work out a can the realization the extensive centralized Control of air-conditioning and the commercial use air conditioner management system of monitoring in real time finally through test of many times.
Summary of the invention
First purpose of the present invention is to provide a kind of employing free topological structure, it is fast to have communication speed, in the management system of air-conditioning, used the iLon100 Internet Server, can adopt Ethernet or telephone circuit to carry out the commercial air conditioner management system of telemanagement air-conditioning system by this server.
Second purpose of the present invention is to provide a kind of management system control method that is used to realize commercial air conditioner management system.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of commercial air conditioner management system, comprise: the network computer 1 of Lian Jieing, one or more servers 2 and one or more air-conditioner systems 3 successively, this network computer 1 links to each other with server 2 by Internet/Intranet, between described each server 2 and each air-conditioner system 3, gateway 4 is set, this server 2 links to each other with gateway 4 by twisted-pair feeder, and this gateway 4 links to each other with air-conditioner system 3 by the twin-core shielding line; This air-condition management system comprises two flow processs, be control information flow process and monitor message flow process, this control information flow process is: server 2 receives all data that network computer 1 transmits, server 2 sends control signal to gateway 4 again, and gateway 4 carries out sending control information to air-conditioner system 3 after the protocol conversion; It is the monitor message flow process in the other direction.
In order to improve technique scheme, the present invention further comprises: Ethernet (Ethernet) technology is adopted in wiring for convenience in this management system, one hub 5 is set between network computer 1 and each server 2, this hub 5 is with in each server 2 access network, and this network computer 1 is by IE this locality/visit and management server 2.
Use non-polar multiple twin order wire between this gateway 4 and the gateway 4, between gateway 4 and the server 2, adopt free topological mode to connect, compatibility is always linear, star, chrysanthemum chain; This gateway 4 is connected to one can gather single second pulse digit ammeter B that overlaps the electric quantity signal of air-conditioning system; Perhaps, the first pulse digit ammeter A that the total electric weight of all air-conditioners measures under these server 2 external a pair of these servers perhaps, is provided with the second pulse digit ammeter B and at server 2 the first pulse digit ammeter A is set at gateway 4 simultaneously.
These server 2 internal modem are visited this server from the outside by the public telephone circuit, have 2 road pulse digit ammeter input ports, have fire alarm 2 road digital quantity input ports, and 2 road digital quantity output ports.
This air-conditioner system 3 comprises air conditioner room unit 32 and air-conditioner outdoor unit 31, and this air conditioner room unit 32 links to each other with air-conditioner outdoor unit 31 by the multiple twin shielding line, and this air-conditioner outdoor unit 31/ air conditioner room unit 32 links to each other with gateway 4 by the multiple twin shielding line; The Communication Control bus that this multiple twin shielding line is an air-conditioner system 3, indoor set 32, off-premises station 31, gateway 4 all are connected on the Communication Control bus.
This air-conditioner system 3 is set up one and is used for the Centralized Controller 6 that centralized Control is connected all air-conditioners under the same Communication Control bus.
Use the non-polar multiple twin shielded communication of 2 cores line between the indoor set 31 of this air-conditioner system 3 and the off-premises station 32, adopt chrysanthemum chain connected mode to connect.
The output of this network computer 1 is provided with the printer 7 that data that are used for writing down are printed as forms such as form, form, curve; This network computer 1 links to each other by Internet/Intranet/Lan and other Net-connected computers or notebook computer or mobile phone 9, gives computer or notebook computer or mobile phone 9 with data information transfer; This network computer 1 is incorporated in the whole building control system by Internet with other building equipments 8.
A kind of control method that is used to realize above-mentioned commercial air conditioner management system, this control method comprises control information flow process and two parts of monitor message flow process, this control information flow process comprises the steps: at first, native system is installed, then, carry out the communication detection of other module on air-conditioner system and the Communication Control bus; Then, server 2 is the control signal of automatic network computer 1 in the future, adopt LonWorks agreement at a high speed to send gateway 4 to, gateway 4 carries out sending control information to air-conditioner system or Centralized Controller after the protocol conversion, thereby finishes the concrete control function of air-conditioning system; It is the monitor message flow process in the other direction.
In the communication detection of air-conditioner system, concrete steps: after this air-conditioner system 3 powers on and finishes self check, air-conditioner system 3 begins to send out competition and instructs with Times, this Centralized Controller 6, gateway 4 passes the competition instruction that begins of coming according to air-conditioner system 3 and carries out the address competition, select new address after the failure, air-conditioner system 3 on bus, the address perfect competition success of Centralized Controller 6 and gateway 4, successful confirmation signal is competed in 33 addresses of air-conditioner system then, withdraw from the address competition after the affirmation, enter normal communication, carry out the transmission of data and the change of state.
The concrete control function of this air-conditioner system mainly comprises the transmission and the reception of data between indoor set and the off-premises station: the transmission of data: the off-premises station master control borad of air-conditioner system is loaded into data among the transmission buffer Transmit Buffer, detect the bus free time whether 200ms is arranged, if, then begin to send data, send the start bit earlier, when sending the one digit number certificate, the Communication Control bus to receive the one digit number certificate again, when the transmission data are identical with the reception data, continue to send, when transmission and reception are inconsistent, then showing has an indoor set forward off-premises station to send data, then stops to send data, transfers the reception data to; When sending to position of rest, then the byte number Byte Counter of required transmission subtracts one, after sending 15 bytes, enter stop time dummy, this time with the verification Frame, when the Frame mistake, then put signaling and do not reply NAK=15H, when verification with when correct, then inwardly the machine signaling is correctly replied ACK=06H, when what send is with the count off certificate, does not need to receive ACK/NAK; The reception of data: open the same count off certificate that external interrupt prepares to receive off-premises station, receive after the data, detect to receive the correctness of data and whether be at stop time dummy with the count off certificate, if with the words of count off certificate, then do not send the ACK/NAK signal, non-with the count off certificate, then the indoor set that conforms to of address sends the ACK/NAK signal response, and indoor set carries out respective handling according to control data.
Indoor set is in the receiving step of data, judgement be with count off according to after several count off certificates of this indoor set of importing in the bus transmission data buffer zone just, begin competition synchronously and send, competition sends and finishes, and detects the correctness of the data that receive at stop time dummy; Competition failure midway stops to send, and turns to the reception data, detects the data that whether send for this indoor set at stop time dummy, and words that no then stop TC4.
Use beneficial effect of the present invention to be: 1. the benefit of bringing to the owner:
A: use air-condition management system, manage air-conditioning equipment automatically, reduce the air-conditioning cost of use.
By air-condition management system, can be according to the demand of landlord and tenant, the time of automatic setting air-conditioning open and close, running temperature etc. had both satisfied the requirement of user to environmental degree of comfort, avoided the waste of the energy again.
B: simple apparatus has very high cost performance.
Between management system and each air-conditioning equipment, do not need expensive interface equipment, reduce user's investment.
C: perfect management function, patterned man-machine interface is operated simple and easy.
By management system, can realize setting, monitoring to the air-conditioning equipment running status; According to the handling characteristics of air-conditioning region, formulate running schedule management plan; Automatically the record service data regularly provides air-conditioning maintaining suggestion etc.
Based on the management software H-CACS that develops on the internet configuration platform of WebAccess, adopt icon and menu mode to represent air-conditioning equipment and the operation that can carry out, anyone can adopt mouse at the logical enterprising line operate of computer of a Daepori.
Service data adopts the database mode management, can use the EXCEL electrical form software of Microsoft to handle service data; Can provide daily sheet, month form, annual report form, make things convenient for the management of administrative staff the building air-conditioning.
D: thoughtful air conditioning charging function, be convenient to control electricity charge spending.
Adopt advanced charging way, has automatic meter-reading, after having connected the pulsed digital electric meter, can be according to the practical operation situation of air-conditioning, the operation electricity charge that air-conditioning equipment is total reasonably share, solved manual metering in the past waste time and energy, by the difficult problem of unreasonable charges running time.Can print various forms, distinguish time-of-use tariffs, defaulting subscriber's air-conditioning is carried out forced shutdown processing etc.
E: have internet and remote access function, can manage air-conditioning whenever and wherever possible.
Be provided with Internet Server and application program in gateway, by Ethernet or built-in modem, administrative staff not only can be on any computer of LAN access information management, can also use the InternetExplorer of Microsoft software from long-range internet or the public telephone circuit access system passed through, fully experience the facility that advanced information technology is brought.
F: the failure prediction function can be provided for a rainy day administrative staff, and is prolonged the service life of equipment.
To the fault that air-conditioning may occur, adopt multiple patterns such as sound and light alarm, printout, Email to forecast in advance, make air-conditioning because the possibility that fault is shut down suddenly reduces to minimum.By early warning and processing in time, make air-conditioning be in best running state all the time, effectively prolong the service life of air-conditioning.
2. the benefit of bringing for dealer, service provider, building control system integrator:
A: adopted open communication protocol, provided convenience for the building control system is integrated.
Management system has adopted open communication protocol such as advanced Ethernet, LONWORKS, meets the Information Technology Development trend, for upgrading interconnected with other building equipments and in the future is provided convenience.
B: installment work still less, distribution still less
Between air-conditioning equipment, adopt the HOMEBUS bus, only use the non-polar order wire of 2 cores, adopt the chrysanthemum chain mode of connection between every machine, connect very conveniently, simplified the installation work of inside, building.
Adopt the LONWORKS network technology between the gateway, between gateway and the iLon100, also be only to use the non-polar order wire of 2 cores, free topological mode is adopted in wiring, and compatibility is always linear, star, chrysanthemum chain, connect very conveniently, more simplified the installation work of inside, building.
C: hierarchical network and modular designs, make the better reliability of management system, be easier to safeguard.
In the air-conditioning equipment, each off-premises station constitutes bottom HOMEBUS communication network with the indoor set that is connected; Between the gateway of off-premises station, and constitute the LONWORKS communication network with Internet Server iLon100.After node in the same layer network broke down, the influence that is produced all was local; The design of key equipments such as while gateway also is modular, and said structure has guaranteed reliability, and is easy to safeguard.
D: have remote access and online upgrading function, can safeguard management system whenever and wherever possible.
Built-in Internet Server and application program in gateway, the technical staff is by Ethernet or built-in modem, and access information management on this locality or any computer of LAN is upgraded to the systems soft ware function.
E: have multiple interfaces and application program, can with other building equipment perfect adaptations.
Gateway has the input of two-way digital quantity, and the input of two-way pulse ammeter, the output of two-way digital quantity can be accepted fire alarm, the key control signal.Application programs such as built-in schedule management, chain control can be set air-conditioning flexibly according to owner, tenant's instructions for use.
Description of drawings
Fig. 1 is the air-condition management system schematic diagram;
Fig. 2 is the typical architecture block diagram of air-condition management system;
Fig. 3 is the complete architecture block diagram of air-condition management system;
Fig. 4 is the node diagram of small-sized transceiver;
Fig. 5 is the various wires design of free topological FT3150 transceiver;
Fig. 5 a is a terminal bus topological diagram; Fig. 5 b is two terminal bus topological diagrams; Fig. 5 c is Star topology figure;
Fig. 5 d is ring topology figure; Fig. 5 e is mixed topology figure;
Fig. 6 is the functional-block diagram of air-conditioner outdoor unit master control borad;
Fig. 7 a-1, Fig. 7 a-2, Fig. 7 b-1, Fig. 7 b-2, Fig. 7 c-1, Fig. 7 c-2 are air-conditioner outdoor unit master control borad one embodiment circuit theory diagrams;
Fig. 8 a-Fig. 8 c is an air-condition management system gateway circuit schematic diagram;
Fig. 9 a-Fig. 9 b is an air-conditioning Centralized Controller schematic diagram;
Figure 10 is Centralized Controller power panel circuit theory diagrams;
Figure 11 is an air-condition management system data transmit-receive flow chart;
Figure 12 a, Figure 12 b are air-condition management system software H-CACS man machine operation interface.
The specific embodiment
Below by specific embodiment in addition accompanying drawing the present invention is described in detail.
As shown in Figure 1 to Figure 3, a kind of commercial air conditioner management system, comprise: the network computer 1 of Lian Jieing successively, one or more servers 2 and one or more air-conditioner systems 3, this network computer 1 links to each other with server 2 by Internet/Intranet, between described each server 2 and each air-conditioner system 3, gateway 4 is set, this server 2 links to each other with gateway 4 by twisted-pair feeder, this gateway 4 links to each other with air-conditioner system 3 by the multiple twin shielding line, server 2 receives all data that network computer 1 transmits, server 2 sends control signal to gateway 4 again, and gateway 4 carries out sending control information to air-conditioner system 3 after the protocol conversion.One hub 5 is set between network computer 1 and each server 2, and this hub 5 is with in each server 2 access network, and this network computer 1 is by IE this locality/remote access and management server 2.This air-conditioner system 3 is set up one and is used for the Centralized Controller 6 that centralized Control is connected all air-conditioners under the same Communication Control bus.The output of this network computer 1 is provided with the printer 7 that data that are used for writing down are printed as forms such as form, form, curve.
The indoor set of air-conditioning is connected the conversion that the HNWG01 gateway is realized communication protocol with off-premises station by the HOMEBUS bus; The HNWG01 gateway connects the iLon100 Internet Server by the LONWORKS bus, adopts the LONWORKS agreement of advantages such as free topological structure; Adopt open TCP/IP (Ethernet) agreement between network computer and the iLon100 Internet Server and have advantages such as communication speed is fast, free topological structure.
The iLon100 Internet Server has the input port by public telephone line visit, fire alarm and ammeter pulse signal, and a plurality of iLon100 Internet Servers form Ethernet and insert the internet by hub.
The ether network accessing Internet that computer and building equipment constitute can comprise that indoor set and off-premises station (main frame, handset) manage to 256 management points;
When using an above iLon100 Internet Server, connect the iLon100 Internet service by hub.
The indoor set of multi type air-conditioner and off-premises station adopt the HOMEBUS bus.Realize the conversion of communication protocol by gateway; Between the gateway, and and iLon100 between adopt the LONWORKS network.Air conditioning managing can (comprise that indoor set and off-premises station (main frame, handset) manage with computer to 256 management points by the iLon100 Internet Server.
The explanation of management system part:
1. management computer configuration: general purpose PC, the configuration of recommendation: the Pentium 4 is for processor, 256 MB of memory, 40G hard disk, CD-ROM CD-ROM drive, 19 inches CRT colour display screens, RS-232 (1 of com port), 10Base/T network interface card.
2. printer: universal ink-jet or laser printer, write down warning, operations of operators action and system log (SYSLOG).Can print the A4 breadth.
3. gateway: model is HNWG01, is produced by air conditioner electronic Co., Ltd of Haier.Built-in U.S. Ai Shilang company 3150 smart transceivers.
4. U.S. Ai Shilang company, model is the Internet Server of iLon100, adopts open TCP/IP (Ethernet) agreement and LONWORKS agreement.Internal modem can be visited this server by the public telephone circuit from the outside.Have 2 road digital quantity input ports such as fire alarm; Have 2 way word ammeter pulse signal input terminal mouths; Has two-way digital quantity output port.
Annotate: cause service data to be lost for preventing unexpected the power failure, need the configuration uninterrupted power supply (ups) Unity, specification is:
Capacity: 200-250W/20min, voltage: 220V,
Control signal: power-off signal (from UPS), UPS shutdown signal (being sent to UPS)
5. hub (HUB): general ethernet concentrator more than 4 mouthfuls (using when using 1 above iLon100 Internet Server)
6. digital kilowatt-hour meter: tape pulse generator accumulative total kilowatt-hour meter, the output unit pulse is the output of 1 pulse/kWh.Pulse width is in 40-400msec.Pulse output needs to use mercury relay, and is no-voltage output.
7. cable specification:
A: between indoor set and the off-premises station: adopt the multiple twin shielding line, core section is long-pending to be 1-1.5mm
2
B: between the off-premises station and and gateway between: adopt the multiple twin shielding line, core section is long-pending to be 1-1.5mm
2
C: gateway, iLon100 Internet Server and management computer and other building control equipment:
LONWORKS: adopt twisted-pair feeder, core section is long-pending to be 1-1.5mm
2
Ethernet netting twine: 10Base/T cable 5 class lines.
Software function explanation: see attached list one
This system realizes management function by the internet, has remote management capability, can manage many air-conditioners on a large scale, and management function is perfect, powerful, adaptability is strong.
Subordinate list one
A kind of schematic diagram of air-condition management system and typical architecture, as depicted in figs. 1 and 2, constitute by computer 1, printer 7, iLon100 Internet Server 2, HNWG01 gateway 4, the first pulse digit ammeter A, air-conditioner outdoor unit 31, air conditioner room unit 32, Ethernet netting twine, HOMEBUS multiple twin shielding line; This network computer 1 links to each other by Internet/Intranet/Lan and other Net-connected computers or notebook computer or mobile phone 9, gives computer or notebook computer or mobile phone 9 with data information transfer.
Adopt the HOMEBUS communication between air-conditioner outdoor unit 31 and indoor set 32, the HNWG01 gateway 4, the off-premises station master control borad sends the air-conditioning system status data to HNWG01 gateway 4; The main effect of HNWG01 gateway 4 is that the HOMEBUS protocol conversion is become the LONWORKS agreement, gateway 4 is connected to 1 first pulse digit ammeter A simultaneously, sends iLon100 Internet Server 2 to after the electric quantity signal of ammeter collection is changed together with the air-conditioner status signal; The main effect of iLon100 Internet Server 2 is that the LONWORKS protocol conversion is become ICP/IP protocol, simultaneously iLon100 is built-in Web server, all data points of its built-in sequential scheduling, warning processing and all maintenances of data record application program etc. visited and are provided with by network computer by the mode of Web service, adopt software to realize the air-conditioning system Managed Solution, it receives all data that gateway HNWG01 transmits, and be presented on the iLon100 webpage according to predefined Managed Solution, realize management function to air-conditioning system; Adopt open ICP/IP protocol between iLon100 Internet Server 2 and the computer 1, computer 1 can be printed as form, form, curve etc. with the data that write down by printer 7 by the Internet Explorer visit and the management iLon100 of Microsoft.Adopt LONWORKS agreement at a high speed between iLon100 and the gateway, iLon100 sends control signal to HNWG01 gateway 4, gateway 4 carries out sending control information to the air-conditioner outdoor unit master control borad after the protocol conversion, by the various operational modes of master control borad control air-conditioner, finish the concrete control function of air-conditioning system.
A kind of complete framework of air-condition management system, as shown in Figure 3, be made of the various ether network accessing Internets of Internet Server 2, Ethernet, Ethernet netting twine, hub 5, network computer 1 or the like, this network computer 1 is incorporated in the whole building control system by Internet with other building equipments 8.The Ethernet that Internet Server constitutes comprises 4 Internet Servers 2 (omitting 2 among the figure), and every Internet Server 2 has public telephone circuit 22, fire alarm 21, the 2nd HNWG01 gateway 23, the first pulse digit ammeter A, the second pulse digit ammeter B, air-conditioner outdoor unit 31, air conditioner room unit 32, Centralized Controller 6, HOMEBUS multiple twin shielding line.
Adopt the HOMEBUS communication between air-conditioner outdoor unit 31 and indoor set 32, Centralized Controller 6, the HNWG01 gateway 4, the off-premises station master control borad sends the air-conditioning system status data to HNWG01 gateway 4; The main effect of HNWG01 gateway 4 is that the HOMEBUS protocol conversion is become the LONWORKS agreement, gateway 4 is connected to 1 second pulse digit ammeter B simultaneously, sends iLon100 Internet Server 2 to after the electric quantity signal of ammeter collection is changed together with the air-conditioner status signal; ILon100 has 2 road pulse digit ammeter input ports, can external pulse digit ammeter be measured by the total electricity charge of all air-conditioners under the iLon100, engineering site can select to use the first pulse digit ammeter A or the second pulse digit ammeter B that air-conditioner is chargeed according to the installation position selection of on-the-spot air-conditioner flexibly; Internal modem can be visited this server by the public telephone circuit from the outside; The main effect of iLon100 Internet Server is that the LONWORKS protocol conversion is become ICP/IP protocol, simultaneously iLon100 is built-in Web server, all data points of its built-in sequential scheduling, warning processing and all maintenances of data record application program etc. visited and are provided with by network computer by the mode of Web service, adopt software to realize the air-conditioning system Managed Solution, it receives all data that gateway HNWG01 transmits, and be presented on the iLon100 webpage according to predefined Managed Solution, realize management function to air-conditioning system; The open ICP/IP protocol of employing between iLon100 and the computer, computer can be printed as form, form, curve etc. with the data that write down by printer by the Internet Explorer visit and the management iLon100 of Microsoft.Adopt LONWORKS agreement at a high speed between iLon100 and the gateway, iLon100 sends control signal to gateway HNWG01, gateway carries out sending control information to the air-conditioner outdoor unit master control borad after the protocol conversion, by the various operational modes of master control borad control air-conditioner, finish the concrete control function of air-conditioning system.The Ethernet of 4 Internet Server formations also can be used as a subsystem, incorporates bed rearrangement building management system (BMS) easily into.
A kind of air-condition management system adopts HOMEBUS bussing technique and LONWORKS network technology, simple wiring and installment work to dealer, service provider, building control system integrator facility.
Between air-conditioning equipment, adopt the HOMEBUS bus, only use non-polar multiple twin shielded communication line, adopt the chrysanthemum chain mode of connection between every machine, connect very conveniently, simplified the installation work of inside, building.Adopt the LONWORKS network technology between the gateway, between gateway and the iLonl00, also be only to use non-polar multiple twin order wire, free topological mode is adopted in wiring, compatibility is always linear, star, chrysanthemum chain, connect very convenient, shown in Fig. 5 a, 5b, 5c, 5d, 5e, more simplified the installation work of inside, building.
Use the traditional control system of bus topology wiring to utilize Shielded Twisted Pair usually with each sensor and the controller composition network that links together.According to the RS-485 standard, in order to limit electric reflection and to guarantee reliable communication, all devices must connect into bus topolopy.So for one based in the RS-485 control system, connect the height that the relevant installation and maintenance cost of the cable installation of various device will be very.Because installation personnel can not just connect up with tree type or stelliform connection topology configuration according to actual conditions, so a large amount of set-up time and the expenses of bus topolopy wiring meeting cost: all equipment must be directly connected on the backbone.Reduce the installation and maintenance cost, and modernization system is the best solution of a topological twisted pair communication system of freedom easily.The free topological transceiver of Echelon company just provides such solution, and provide an advanced person, inexpensive method is connected to each other the different assemblies of dcs.
Management system gateway HWNG01 the is built-in free topological transceiver FT 3150 of Echelon company allows the user to connect the air-conditioner control appliance under the situation that is not subjected to any topological structure restriction.The power supply of each equipment usually by this locality+the 5VDC power supply provides.
Different with the route bus design, shown in Fig. 4, Fig. 5 a, 5b, 5c, 5d, 5e, free topological FT 3150 smart transceivers are supported star-like, ring-like and/or bus-type wires design.She Ji benefit has like this:
1. installation personnel can freely be selected a kind of optimal mounting means, simplifies network design, and allows to change at the eleventh hour the installation site;
2. if on top of a kind of installation wiring style of installation personnel, so free topologies can not need retraining just to be used.
3. rewiring if any, you can use minimum cost to utilize existing wiring unit to reinstall.This function guarantees that FT 3150 smart transceiver technology can be used for old project, also can be used for new project.
4. free topologies allows FT 3150 smart transceiver systems to realize following extension of network by the simple existing network that connects.This has reduced the expansion time and the expense of system, and says from the consumer angle, has reduced the cost of free topological network life cycle.
The wiring topological structure that FT 3150 smart transceiver systems support (terminating circuit of * reality is by using decision).
A kind of air-condition management system, air-conditioner Communication Control bus transmitting-receiving data flow journey.As shown in Figure 3, air conditioner room unit 32, off-premises station 31, Centralized Controller 6, the bus communication agreement is with reference to EIAJ ET-2101HOMEBUS communication standard between the HNWG01 gateway 4, transmission medium is a shielding line, bus driver adopts the mm1007 chip of Japanese MITSUMI company, drive chip and be the TMP86P807 of Japanese TOSHIBA company, transmission speed is 2400baud, off-premises station master control borad circuit block diagram, as shown in Figure 6, on master control borad, comprise transforming circuit, rectification circuit, filter circuit, mu balanced circuit, a plurality of interface circuits, the Communication Control chip, the communication drive circuit, the pressure switch testing circuit, the TEMP testing circuit, the pressure sensing testing circuit, function is selected testing circuit, the relay output circuit, the exogenous wind drive circuit, expansion valve control drive circuit, keyboard scan interface circuit and master chip, the circuit theory diagrams embodiment that it is concrete such as Fig. 7 a-1, Fig. 7 a-2, Fig. 7 b-1, Fig. 7 b-2, Fig. 7 c-1, shown in Fig. 7 c-2, be off-premises station master control borad circuit theory diagrams.About its principle of gateway HNWG01, shown in Fig. 8 a, Fig. 8 b, Fig. 8 c, wherein the model of acp chip employing is: TMP86C807N.Electrical schematic diagram about Centralized Controller LCD, shown in Fig. 9 a-Fig. 9 b, be the LCD electrical schematic diagram of one 64 groups of Centralized Controllers, wherein, the model of the main acp chip of this Centralized Controller is TMP86PM29AV, HT1622, TMP86C807N or the like, and is concrete as shown in Fig. 9 a, Fig. 9 b.For the power circuit of this Centralized Controller, as shown in figure 10.
Air-conditioner system powers on and finishes after the self check, the off-premises station master control borad is sent out competition and is begun to send out competition with the newspaper instruction, indoor set, Centralized Controller and gateway carry out the address competition according to beginning the competition instruction accordingly, select new address after the failure, the address perfect competition success of the indoor set on bus, Centralized Controller and gateway.Off-premises station is sent out 3 addresses and is competed successful confirmation signal then, withdraws from the address competition after confirming, enters normal communication, carries out the transmission of data and the change of state.
The control method of native system comprises: two parts of control information flow process and monitor message flow process; This control information flow process: at first, native system is installed, then, is carried out the communication detection of other module on air-conditioner system and the Communication Control bus; Then, server 2 is the control signal of automatic network computer 1 in the future, adopt LonWorks agreement at a high speed to send gateway 4 to, gateway 4 carries out sending control information to air-conditioner system or Centralized Controller after the protocol conversion, thereby finishes the concrete control function of air-conditioning system; It is the monitor message flow process in the other direction.
In the communication detection of air-conditioner system, concrete steps: after this air-conditioner system 3 powers on and finishes self check, air-conditioner system 3 begins to send out competition and instructs with Times, this Centralized Controller 6, gateway 4 passes the competition instruction that begins of coming according to air-conditioner system 3 and carries out the address competition, select new address after the failure, air-conditioner system 3 on bus, the address perfect competition success of Centralized Controller 6 and gateway 4, successful confirmation signal is competed in 33 addresses of air-conditioner system then, withdraw from the address competition after the affirmation, enter normal communication, carry out the transmission of data and the change of state.
The concrete control function of this air-conditioner system mainly comprises the transmission and the reception of data between indoor set and the off-premises station: the transmission of data: the off-premises station master control borad of air-conditioner system is loaded into data among the transmission buffer Transmit Buffer, detect the bus free time whether 200ms is arranged, if, then begin to send data, send the start bit earlier, when sending the one digit number certificate, the Communication Control bus to receive the one digit number certificate again, when the transmission data are identical with the reception data, continue to send, when transmission and reception are inconsistent, then showing has an indoor set forward off-premises station to send data, then stops to send data, transfers the reception data to; When sending to position of rest, then the byte number Byte Counter of required transmission subtracts one, after sending 15 bytes, enter stop time dummy, this time with the verification Frame, when the Frame mistake, then put signaling and do not reply NAK=15H,, then correctly reply ACK=06H to the indoor set signaling when verification with when correct, when what send is with the count off certificate, does not need to receive ACK/NAK; The reception of data: open the same count off certificate that external interrupt prepares to receive off-premises station, receive after the data, detect to receive the correctness of data and whether be at stop time dummy with the count off certificate, if with the words of count off certificate, then do not send the ACK/NAK signal, non-with the count off certificate, then the indoor set that conforms to of address sends the ACK/NAK signal response, and indoor set carries out respective handling according to control data.
Again as shown in figure 11,, when carrying out data transmit-receive, at first interrupt the ingress protection scene, begin to receive new byte then for the air-conditioning system data receive, send an embodiment flow chart, the one road judge accept the position with send whether identical; One the road judges whether the P1.1 of off-premises station is low level, when accepting the position and sending the position when inequality, stops to send, when accepting the position and sending when identical, judge and whether accept byte,, withdraw from interruption if greater than 9 less than 9, if less than 9, continue next step, the byte of accepting is subtracted 1; When byte equaled 2, bus entered stop time dummy, when byte equals 1, received correct option ACK, when byte is 0, finished receiving, and at this moment, withdrawed from interruption after opening external interrupt; When P1.1 was low level, it was 104us that break period TC4 is set, and proceeding to busidle successively is 0, begins to be received as 1, withdraws from interruption then; When P1.1 is not low level, directly withdraw from interruption.
Data on the HOMEBUS bus are encapsulated in the LONWORKS agreement after the HNWG01 gateway carries out the communications protocol conversion, again by the data transmission between Internet Server iLon100 realization HOMEBUS, LONWORKS, three kinds of communications protocol of TCP/IP.
A kind of air-condition management system, realize the electricity metering function of air-conditioner, as shown in Figure 3, the first pulse digit ammeter A can gather the electric quantity signal that is connected all air-conditioner systems on the iLon100 server, the second pulse digit ammeter B can gather the electric quantity signal of single cover air-conditioning system, and the user can select to use the first pulse digit ammeter A flexibly or use the second pulse digit ammeter B to realize the automatic charging of system according to the mount scheme of air-conditioning system.
Management system has set in advance six kinds of complete billing schemes.The electric energy of air-conditioner system consumption mainly comprises the electric energy that air conditioner room unit computer plate consumes, the electric energy that off-premises station computer plate, heating tape consume, the electric energy that the indoor set blower fan consumes, the computer that off-premises station consumes.Detailed computational methods are as follows:
One. the computational methods of various consumed powers
1. the consumed power of indoor set computer plate
Ruuning situation according to each indoor set is calculated respectively.
2. the consumed power of off-premises station computer plate, heating tape shares
Ratio according to the indoor unit capability that off-premises station connected is shared.
3. the consumed power of indoor set blower fan
Ruuning situation according to each indoor set is calculated respectively.
4. the off-premises station consumed power shares
Under the situation that indoor set and off-premises station are powered respectively, the consumed power of off-premises station has comprised the consumed power of off-premises station computer plate, heating tape.Indoor set is under the situation that off-premises station is powered, and the consumed power of off-premises station removes the consumed power comprised off-premises station computer plate, heating tape, also comprises the consumed power of indoor set computer plate, indoor set blower fan.Following 6 kinds of distribution methods are arranged:
A: standard mode (time of pressing temperature detector ON distributes)
Ratio by the product of (time * ability of temperature detector ON) of indoor set distributes.
B: optional mode one (by the dynamo-electric flow distribution of compression)
At first with many consumed powers that off-premises station is total,, carry out the distribution of the consumed power of off-premises station in the ratio of the integrating value of compressor of outdoor unit electric current.To the consumed power after the off-premises station distribution, the ratio that indoor set is pressed the product of (time * ability of temperature detector ON) again distributes.
C: optional mode two (distributing) by the duration of runs
Ratio by the product of (time * ability of running) of indoor set distributes.
D: optional mode three (pressing cold medium flux distributes)
At first with many consumed powers that off-premises station is total,, carry out the distribution of the consumed power of off-premises station in the ratio of the integrating value of compressor of outdoor unit electric current.To the consumed power after the off-premises station distribution, indoor set distributes by the ratio of cold medium flux integrating value again.
E: optional mode four (ice accumulation of heat one is dragged many by the distribution duration of runs)
Night, electric energy consumption price difference was distributed by the long-pending ratio of (time * ability of running) of indoor set.
F: optional mode five (ice accumulation of heat one drags distribute many times by temperature detector ON)
Night, electric energy consumption price difference was distributed by the long-pending ratio of (time * ability of temperature detector ON) of indoor set.
Two, the system of selection of the method for salary distribution:
But standard mode and 5 kinds of selection modes respectively have speciality, according to tenant's the situation of moving in, working order, select optimum mode.
A kind of air-condition management system software H-CACS, shown in Figure 12 a and Figure 12 b, perfect management function, patterned man-machine interface, easy and simple to handle, the air-conditioning system management software H-CACS that develops on the internet configuration platform of WebAccess adopts icon and menu mode to represent air-conditioning equipment and the operation that can carry out, and anyone can adopt mouse at the logical enterprising line operate of computer of a Daepori.Service data adopts the database mode management, can use the EXCEL electrical form software of Microsoft to handle service data; Can provide daily sheet, month form, annual report form, make things convenient for the management of administrative staff the building air-conditioning.
Claims (12)
1. commercial air conditioner management system, comprise: the network computer of Lian Jieing (1), one or more servers (2) and one or more air-conditioner systems (3) successively, this network computer (1) links to each other with server (2) by Internet/Intranet, it is characterized in that, between described each server (2) and each air-conditioner system (3), gateway (4) is set, this server (2) links to each other with gateway (4) by twisted-pair feeder, and this gateway (4) links to each other with air-conditioner system (3) by the twin-core shielding line; This air-condition management system comprises two flow processs, be control information flow process and monitor message flow process, this control information flow process is: server (2) receives all data that network computer (1) transmits, server (2) sends control signal to gateway (4) again, and gateway (4) carries out sending control information to air-conditioner system (3) after the protocol conversion; It is the monitor message flow process in the other direction.
2. commercial air conditioner management system according to claim 1, it is characterized in that, ethernet technology is adopted in wiring for convenience in this management system, between network computer (1) and each server (2), a hub (5) is set, this hub (5) is with in each server (2) access network, and this network computer (1) is by this locality/remote access function visit and management server (2) of Internet/Intranet.
3. commercial air conditioner management system according to claim 1 and 2, it is characterized in that, use non-polar multiple twin order wire between these a plurality of gateways (4), between gateway (4) and the server (2), adopt free topological mode to connect, compatibility is always linear, star, chrysanthemum chain; This gateway (4) is connected to one can gather single second pulse digit ammeter (B) that overlaps the electric quantity signal of air-conditioning system; Perhaps, the first pulse digit ammeter (A) that the total electric weight of all air-conditioners measures under external a pair of this server of this server (2), perhaps, the second pulse digit ammeter (B) is set and the first pulse digit ammeter (A) is set at gateway (4) simultaneously at server (2).
4. commercial air conditioner management system according to claim 1 and 2, it is characterized in that, this server (2) internal modem, visit this server from the outside by the public telephone circuit, have 2 road pulse digit ammeter input ports, have fire alarm 2 road digital quantity input ports, and 2 road digital quantity output ports.
5. commercial air conditioner management system according to claim 1, it is characterized in that, this air-conditioner system (3) comprises air conditioner room unit (32) and air-conditioner outdoor unit (31), this air conditioner room unit (32) links to each other with air-conditioner outdoor unit (31) by the multiple twin shielding line, and this air-conditioner outdoor unit (31)/air conditioner room unit (32) links to each other with gateway (4) by the multiple twin shielding line; This multiple twin shielding line is the Communication Control bus of air-conditioner system (3), and air conditioner room unit (32), air-conditioner outdoor unit (31), gateway (4) all are connected on the Communication Control bus.
6. commercial air conditioner management system according to claim 5 is characterized in that, this air-conditioner system (3) is set up one and is used for the Centralized Controller (6) that centralized Control is connected all air-conditioners under the same Communication Control bus.
7. according to claim 5 or 6 described commercial air conditioner management systems, it is characterized in that, use the non-polar multiple twin shielded communication of 2 cores line between air conditioner room unit (32) of this air-conditioner system (3) and the air-conditioner outdoor unit (31), adopt chrysanthemum chain connected mode to connect.
8. commercial air conditioner management system according to claim 1 is characterized in that, the output of this network computer (1) is provided with the printer (7) that data that are used for writing down are printed as forms such as form, form, curve; This network computer (1) links to each other by Internet/Intranet/Lan and other Net-connected computers or notebook computer or mobile phone (9), gives computer or notebook computer or mobile phone (9) with data information transfer; This network computer (1) is incorporated in the whole building control system by Internet with other building equipments (8).
9. control method that is used for the described commercial air conditioner management system of claim 1, it is characterized in that, this control method comprises control information flow process and two parts of monitor message flow process, this control information flow process comprises the steps: at first, native system is installed, then, carry out the communication detection of other module on air-conditioner system and the Communication Control bus; Then, server (2) is the control signal of automatic network computer (1) in the future, adopt LonWorks agreement at a high speed to send gateway (4) to, gateway (4) carries out sending control information to air-conditioner system or Centralized Controller after the protocol conversion, thereby finishes the concrete control function of air-conditioning system; It is the monitor message flow process in the other direction.
10. the control method of commercial air conditioner management system according to claim 9, it is characterized in that, in the communication detection of air-conditioner system, concrete steps: after this air-conditioner system (3) powers on and finishes self check, air-conditioner system (3) begins to send out competition and instructs with Times, this Centralized Controller (6), gateway (4) passes the competition instruction that begins of coming according to air-conditioner system (3) and carries out the address competition, select new address after the failure, air-conditioner system on bus (3), the address perfect competition success of Centralized Controller (6) and gateway (4), air-conditioner system (3) is sent out 3 addresses and is competed successful confirmation signal then, withdraw from the address competition after the affirmation, enter normal communication, carry out the transmission of data and the change of state.
11. the control method of commercial air conditioner management system according to claim 9, it is characterized in that, the concrete control function of this air-conditioner system mainly comprises the transmission and the reception of data between indoor set and the off-premises station, the transmission of data: the off-premises station master control borad of air-conditioner system is loaded into data in the transmission buffer, detect the bus free time whether 200ms is arranged, if, then begin to send data, send the start bit earlier, when sending the one digit number certificate, the Communication Control bus to receive the one digit number certificate again, when the transmission data are identical with the reception data, continue to send, when transmission and reception were inconsistent, then showing had an indoor set forward off-premises station to send data, then stop to send data, transfer the reception data to; When sending to position of rest, then the byte number of required transmission subtracts one, after sending 15 bytes, enter the stop time, this time with the verification Frame, when the Frame mistake, then put signaling and do not reply=15H, when verification with when correct, then inwardly the machine signaling is correctly replied=06H, when what send is with the count off certificate, does not need to receive answer signal; The reception of data: open the same count off certificate that external interrupt prepares to receive off-premises station, receive after the data, detect to receive the correctness of data and whether be in the stop time with the count off certificate, if with the words of count off certificate, then do not send answer signal, non-with the count off certificate, then the indoor set that conforms to of address sends the answer signal response, and indoor set carries out respective handling according to control data.
12. the control method of commercial air conditioner management system according to claim 11, it is characterized in that, indoor set is in the receiving step of data, judgement be with count off according to after several count off certificates of this indoor set of importing in the bus transmission data buffer zone just, beginning competition synchronously sends, competition sends and finishes, and detects the correctness of the data that receive in the stop time; Competition failure midway stops to send, and turns to the reception data, detects the data that whether send for this indoor set in the stop time, and words that no then stop break period.
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| US8635320B2 (en) | 2008-03-28 | 2014-01-21 | Mitsubishi Electric Corporation | Air conditioning management apparatus and air conditioning management system |
| JP4958936B2 (en) * | 2009-04-13 | 2012-06-20 | 三菱電機株式会社 | Air conditioning system diagnostic device |
| TWI489067B (en) * | 2010-02-10 | 2015-06-21 | Hitachi Appliances Inc | Air conditioning management system |
| CN102692066B (en) * | 2012-06-14 | 2014-11-26 | 四川长虹空调有限公司 | Fault diagnosis control system for variable-frequency air conditioner and control method of fault diagnosis control system |
| CN104728988B (en) * | 2013-12-18 | 2017-08-01 | 珠海格力电器股份有限公司 | Air conditioner and air-conditioning internal-external machine communication means, device, equipment |
| CN105606387A (en) * | 2016-01-04 | 2016-05-25 | 青岛海尔空调器有限总公司 | Factory detection method and system for indoor unit of air conditioner |
| CN106325200B (en) * | 2016-08-30 | 2019-04-23 | 江苏永冠给排水设备有限公司 | A kind of implementation method based on self-service hypochlorite generator's group control of equipment system of networking |
| DE102017109868A1 (en) * | 2017-05-08 | 2018-11-08 | Webasto SE | A climate system for a vehicle, gateway device, method for setting a parameter of an air conditioning device and computer readable storage medium for implementing the method |
| CN110173843B (en) * | 2019-05-21 | 2021-05-04 | 四川虹美智能科技有限公司 | Multi-split air conditioner centralized control system and control method thereof |
| CN110726208B (en) * | 2019-09-11 | 2021-01-12 | 珠海格力电器股份有限公司 | Control method and device for multiple air conditioners, terminal and readable storage medium |
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