CN1174196C - air conditioner remote monitoring system with master-slave control function - Google Patents
air conditioner remote monitoring system with master-slave control function Download PDFInfo
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- CN1174196C CN1174196C CNB011365560A CN01136556A CN1174196C CN 1174196 C CN1174196 C CN 1174196C CN B011365560 A CNB011365560 A CN B011365560A CN 01136556 A CN01136556 A CN 01136556A CN 1174196 C CN1174196 C CN 1174196C
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 17
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- 238000013461 design Methods 0.000 claims description 6
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- 238000010977 unit operation Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
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Abstract
The invention provides an air conditioner remote monitoring system with a master-slave control function, which comprises an upper computer and a lower computer, wherein the upper computer and the lower computer realize the transmission of data and information through a communication line; the lower computer adopts a master-slave air conditioner cluster structure and comprises a master air conditioner and a slave air conditioner, and a CPU of the master air conditioner can automatically switch between the master air conditioner and the slave air conditioner according to set conditions. The remote monitoring system of the air conditioner with the master-slave control function can make an instant response to the surrounding environment, improves the performance of the air conditioner, is convenient for the use, the maintenance and the repair of the air conditioner and has strong practicability.
Description
Technical field
The present invention relates to the remote monitor supervision area of air conditioner.
Background technology
The remote monitoring of so-called air conditioner is meant by communication line, carries out the transmission of data and information between air conditioner and remote central control unit, thereby realizes the technology to the remote monitor of air conditioner.In the prior art, the air conditioner long-distance monitoring technology generally can realize the transmitting-receiving of data and information by radio mobile communication net, public telephone network or communication cable; The air conditioner long-distance monitoring technology generally is applied in following occasion, as: unattended terminal, base station, transmitting station, machine room, archives, storehouse, some office, hotel etc.The above-mentioned place that control is had relatively high expectations to ambient temperature, generally all adopt central air conditioning equipment, but the maintenance of central air-conditioning and cost of use height, so in the prior art, the air-conditioning equipment of one or more backup usually is set, to carry out the start-stop conversion of different backup air conditioners according to environmental aspect in same environment.But in having the room of many air conditioners, each start-stop conversion of backing up air conditioner all is by Artificial Control, can not make instant reaction automatically according to environmental aspect, brings inconvenience for the maintaining of equipment, operation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, a kind of air conditioner long-distance monitoring system with master/slave control function is provided.
The object of the present invention is achieved like this: a kind of air conditioner long-distance monitoring system with master/slave control function, comprise host computer and slave computer, and realize the transmission of data and information between described host computer and the slave computer by communication line; It is characterized in that: described slave computer is to adopt principal and subordinate's air conditioner cluster topology, comprise main frame air conditioner and slave air conditioner, include microprocessor (CPU) in the control circuit of described main frame air conditioner and slave air conditioner, also comprise the data processing unit that has plural communication interface in the control circuit of described main frame air conditioner and slave air conditioner, described data processing unit is by corresponding the linking to each other of CPU of master control borad communication interface and main frame air conditioner and slave air conditioner, and can pass through the communication between master-slave communication interface realization main frame and the slave; Also have communication interface with pc in the data processing unit of described main frame air conditioner control circuit, thereby can carry out communication by communication interface with pc and host computer; The start-stop conversion that the CPU of main frame air conditioner can carry out main frame and slave automatically according to imposing a condition.
Described imposing a condition can comprise regularly switching, failover and environmental parameter (temperature etc.) setting.
Implement air conditioner long-distance monitoring system of the present invention, because slave computer adopts principal and subordinate's air conditioner cluster topology, the start-stop conversion that main frame can be carried out main frame and slave automatically according to imposing a condition, thereby can make immediate reaction to surrounding environment, improved the performance of air conditioner, be convenient to using and maintaining of air conditioner, have very strong practicality.
Description of drawings
Fig. 1 is the system principle diagram of air conditioner long-distance monitoring system of the present invention;
Fig. 2 is in the air conditioner long-distance monitoring system shown in Figure 1, the catenation principle figure of system of principal and subordinate's air conditioner cluster topology of slave computer;
Fig. 3 is in the air conditioner long-distance monitoring system shown in Figure 1, the communication interface circuit block diagram of main frame air conditioner in the slave computer;
Fig. 4 is in the air conditioner long-distance monitoring system shown in Figure 3, the physical circuit figure of the communication interface circuit of main frame air conditioner;
Fig. 5 to Fig. 9 is in the air conditioner long-distance monitoring system shown in Figure 1, the operational flow diagram of main frame in the slave computer;
Figure 10 is in the air conditioner long-distance monitoring system shown in Figure 1, the operational flow diagram of slave in the slave computer.
Embodiment
As shown in Figure 1, in an embodiment of the present invention, air conditioner long-distance monitoring system comprises host computer and slave computer, and slave computer comprises N principal and subordinate's air conditioner cluster topology, and each principal and subordinate's air conditioner cluster topology comprises a main frame and X platform (X≤256) slave again.Can realize the transmitting-receiving of data and information between host computer and the slave computer by radio mobile communication net, public telephone network or communication cable.
Host computer can be a PC according to the difference of the communication modes that is adopted, and also can be mobile phone.
As shown in Figure 2, slave computer comprises main frame air conditioner and slave air conditioner, adopts the RS485 serial communication between main frame and the slave.The UART single-chip microcomputer of slave is by 485 chips (can adopt model is the chip of MAX3082, MAX3081, MAX487), light isolating chip (can adopt model is PC817) is connected telecommunication cable one end with the RS485 interface, the other end of telecommunication cable inserts main frame by 485-232 transducer (can adopt model is the transducer of HF485N, HT4481), and main frame is by RS232 interface and upper machine communication.Telecommunication cable can adopt two classes or three class twisted-pair feeders.
The CPU that has had the master control effect in the control circuit of main frame and slave air conditioner, described CPU receives various detection signals, and controls the operation of compressor, blower fan, motor etc. by CPU, thereby realizes the control to air conditioner.
As shown in Figure 3, in the control circuit of main frame air conditioner, also be provided with data processing unit, described data processing unit connects the master control borad communication interface by level conversion unit 1 and realizes communication with the master cpu of air conditioner again, can pass through level conversion unit 3 and connect the master-slave communication interface, and can connect communication interface with pc with the communication between realization and the host computer by level conversion unit 2 with the communication between realization main frame and the slave.
As shown in Figure 4, in the present embodiment, data processing unit is to adopt the single-chip microcomputer that has asynchronous serial communication mouth (UART), and the chip model is PIC16C73B.Communication interface with pc is the RS232 interface, and the level conversion unit 2 between itself and the data processing unit is that to adopt model be the chip of MAX232; Principal and subordinate's machine communication interface is the RS485 interface, and the level conversion unit 3 between itself and the data processing unit is that to adopt model be the chip of MAX3082; The master control borad communication interface is the RS485 interface, and the level conversion unit 1 between itself and the data processing unit is that to adopt model be the chip of MAX3082.The master cpu of air conditioner is that the employing model is the chip of MC68HC705B16N, the pin two 2,23 of data processing unit chip PIC16C73B connects the pin 55,53 of air conditioner main control chip MC68HC705B16N respectively, thus the data between realization data processing unit and the air conditioner main control chip and the transmission of information.
The slave air conditioner can adopt the circuit identical with the main frame air conditioner, but does not need to use communication interface with pc.
Communication modes between main frame and the slave adopts master-slave mode, and host computer control bus, and slave has unique address, Data transmission mutually between main frame and the slave.Slave both can have been selected by the main frame centralized control, also can select to be controlled voluntarily by the control device of slave.When the address setting of slave was 0, slave can't carry out communication with main frame, and then the running status of slave is controlled voluntarily by it; When the address setting of slave was not 0, slave can carry out the communication with main frame, and then the running status of slave is by the main frame centralized control.
Main frame receives the control information from host computer on the one hand, and the ruuning situation with air conditioner sends to host computer on the one hand.Also be provided with Control Software on the main frame, the start-stop conversion that can realize main frame and slave automatically according to imposing a condition.Described imposing a condition comprises regularly switching, failover and ambient temperature parameter setting etc.
To shown in Figure 9, after the air conditioner power-up initializing, the operational process of main frame is as follows as Fig. 5:
(1) host CPU judges whether main frame brings into operation, if main frame brings into operation, then enters step (2), if do not have, then enters step 11), with the operation of closing slave and driving main frame;
11) select the slave plane No., and judge whether the slave plane No. is correct,, then continue to select,, then enter step 12) if correct if not;
12) judge whether slave is normal,, then enter step 14) if normal; If undesired, then enter step 13);
13) judge whether the slave selection finishes,, then continue to select,, then return step (1) if finish if do not have;
14) judge whether slave moves,, then close slave and drive main frame, and enter step (2) if move; If do not open, then drive main frame, and enter step (2);
(2) judge whether main frame is normal,, then close slave, and enter step (3) if normal; If undesired, then enter step 21), to open slave and to continue to judge whether normally operation of main frame;
21) select the slave plane No., and judge whether the slave plane No. is correct,, then continue to select,, then enter step 22) if correct if not;
22) judge whether slave is normal,, then open slave and enter step 24) if normal; If undesired, then enter step 23);
23) judge whether the slave selection finishes,, then continue to select,, then return step (1) if finish if do not have;
24) continue to judge whether main frame is normal,, continue to judge,, then drive main frame, close slave, and then enter step (3) if normal if also undesired;
(3) judge whether to receive information, if having, then receive the information of host computer, and enter step (4) from host computer; If no, then enter step (4);
(4) read host parameter, whether judge ambient temperature greater than the design temperature upper limit (27 ℃), if not, step (5) then entered; If then enter step 41), opening slave, thus the operation of the temperature that controls environment automatically;
41) select the slave plane No., and judge whether the slave plane No. is correct,, then continue to select,, then enter step 42) if correct if not;
42) judge whether slave is normal,, then open slave and enter step 43) if normal; If undesired, then continue to select;
43) whether judge ambient temperature less than design temperature lower limit (25 ℃), if not, then wait for, if then close slave, and return step (4);
(5) judge whether main frame is normal,, then enter step (6),, then enter step 51 if undesired if normal), to switch to the operation of slave;
51) select the slave plane No., and judge whether the slave plane No. is correct,, then continue to select,, then enter step 52) if correct if not;
52) judge whether slave is normal,, then enter step (7) if normal; If undesired, then enter step 53);
53) judge whether the slave selection finishes,, then continue to select, if finish, then continue out main frame, and return step (4) if do not have;
(6) judge whether timing arrives,, then enter step (3),, then enter step 61 if arrive if be less than), to switch to the operation of slave;
61) select the slave plane No., and judge whether the slave plane No. is correct,, then continue to select,, then enter step 62) if correct if not;
62) judge whether slave is normal,, then enter step (7) if normal; If undesired, then enter step 63);
63) judge whether the slave selection finishes,, then continue to select, if finish, then continue out main frame, and return step (4) if do not have;
(7) close main frame, open slave;
(8) read the slave parameter, whether judge ambient temperature greater than the design temperature upper limit (27 ℃), if not, step (9) then entered; If then enter step
81), open certainly to drive other slaves or main frame, thus the operation of the temperature that controls environment automatically;
81) send main frame with parameter, select to open other slaves or main frame, whether judge ambient temperature less than design temperature lower limit (25 ℃) from opening, if not, then wait for, if then close selected slave or main frame, and return step (8);
(9) judge whether slave moves normally,, then enter step (10),, then close slave, drive main frame, and return step (3) if undesired if normal;
(10) judge whether timing arrives,, then enter step (9),, then close slave, drive main frame, and return step (3) if arrive if be less than.
As shown in Figure 6, after the air conditioner power-up initializing, the operational process of slave is as follows:
(1) main frame judges whether the plane No. that is provided with in the slave control device is 0, if, then enter step (2), if not, step (3) then entered;
(2) press single cpu mode operation, remote-controlled, that panel parameter is provided with button is effective at this moment, can operation push-button, key information is stored in the memory of slave; Return step (1) then;
(3) receive the data that main frame sends;
(4) judge in the transmission sign indicating number of main frame whether gating signal is arranged,, then enter step (6),, then enter step (5) if having if do not have;
(5) judge in the transmission sign indicating number of main frame whether this machine plane No. is arranged,, then enter step (6) if do not have; If have, then enter step (7);
(6) by the parameter operation that is provided with in the slave memory; Return step (1) then;
(7) receive the data that main frame sends;
(8) judge whether the data that main frame sends are effective, if invalid, enter step (6), if effectively, enter following steps;
(9) by the data parameters operation that receives;
(10) the unit operation situation is sent to main frame; Return step (1) then.
Claims (6)
1. the air conditioner long-distance monitoring system with master/slave control function comprises host computer and slave computer, realizes the transmission of data and information between described host computer and the slave computer by communication line; It is characterized in that: described slave computer is to adopt principal and subordinate's air conditioner cluster topology, comprise main frame air conditioner and slave air conditioner, include microprocessor (CPU) in the control circuit of described main frame air conditioner and slave air conditioner, also comprise the data processing unit that has plural communication interface in the control circuit of described main frame air conditioner and slave air conditioner, described data processing unit is by corresponding the linking to each other of CPU of master control borad communication interface and main frame air conditioner and slave air conditioner, and can pass through the communication between master-slave communication interface realization main frame and the slave; Also have communication interface with pc in the data processing unit of described main frame air conditioner control circuit, thereby can carry out communication by communication interface with pc and host computer; The start-stop conversion that the CPU of main frame air conditioner can carry out main frame and slave automatically according to imposing a condition.
2. the air conditioner long-distance monitoring system of band master/slave control function according to claim 1 is characterized in that: after the air conditioner power-up initializing, the operational process of main frame is as follows:
(1) host CPU judges whether main frame brings into operation, if main frame brings into operation, then enters step (2), if do not have, and the operation of then closing slave and driving main frame;
(2) judge whether main frame is normal,, then close slave, and enter step (3) if normal; If undesired, then open slave and continue to judge whether normally operation of main frame;
(3) judge whether to receive information, if having, then receive the information of host computer, and enter step (4) from host computer; If no, then enter step (4);
(4) read host parameter, whether judge ambient temperature greater than the design temperature upper limit, if not, step (5) then entered; If, then open slave, thus the operation of the temperature that controls environment automatically;
(5) judge whether main frame is normal,, then enter step (6),, then switch to the operation of slave if undesired if normal;
(6) judge whether timing arrives,, then enter step (3),, then switch to the operation of slave if arrive if be less than;
(7) close main frame, open slave;
(8) read the slave parameter, whether judge ambient temperature greater than the design temperature upper limit, if not, step (9) then entered; If, then drive other slaves or main frame and open certainly, thus the operation of the temperature that controls environment automatically;
(9) judge whether slave moves normally,, then enter step (10),, then close slave, drive main frame, and return step (3) if undesired if normal;
(10) judge whether timing arrives,, then enter step (9),, then close slave, drive main frame, and return step (3) if arrive if be less than.
3. the air conditioner long-distance monitoring system of band master/slave control function according to claim 1 and 2 is characterized in that: after the air conditioner power-up initializing, the operational process of slave is as follows:
(1) main frame judges whether the plane No. that is provided with in the slave control device is 0, if, then enter step (2), if not, step (3) then entered;
(2) press the single cpu mode operation, return step (1) then;
(3) receive the data that main frame sends;
(4) judge in the transmission sign indicating number of main frame whether gating signal is arranged,, then enter step (6),, then enter step (5) if having if do not have;
(5) judge in the transmission sign indicating number of main frame whether this machine plane No. is arranged,, then enter step (6) if do not have; If have, then enter step (7);
(6) by the parameter operation that is provided with in the slave memory, return step (1) then;
(7) receive the data that main frame sends;
(8) judge whether the data that main frame sends are effective, if invalid, enter step (6), if effectively, enter following steps;
(9) by the data parameters operation that receives;
(10) the unit operation situation is sent to main frame; Return step (1) then.
4. the air conditioner long-distance monitoring system of band master/slave control function according to claim 1 and 2 is characterized in that: the data processing unit of described air conditioner is to adopt the single-chip microcomputer that has asynchronous serial communication mouth (UART); Adopt the RS485 serial communication between described main frame and the slave; The UART single-chip microcomputer of slave is by 485 chips, and the light isolating chip is connected telecommunication cable one end with the RS485 interface, and the other end of telecommunication cable inserts main frame by the 485-232 transducer, and main frame is by RS232 interface and upper machine communication.
5. the air conditioner long-distance monitoring system of band master/slave control function according to claim 1 and 2 is characterized in that: the data processing unit of described air conditioner is that the employing model is the chip of PIC16C73B; The master control borad communication interface of described data processing unit is the RS485 interface, and the level conversion unit between itself and the data processing unit is that to adopt model be the chip of MAX3082; Principal and subordinate's machine communication interface of described data processing unit is the RS485 interface, and the level conversion unit between itself and the data processing unit is that to adopt model be the chip of MAX3082; The master cpu of described air conditioner is that the employing model is the chip of MC68HC705B16N, the pin two 2,23 of data processing unit chip PIC16C73B connects the pin 55,53 of air conditioner main control chip MC68HC705B16N respectively, thus the data between realization data processing unit and the air conditioner main control chip and the transmission of information.
6. the air conditioner long-distance monitoring system of band master/slave control function according to claim 1 and 2, it is characterized in that: the communication interface with pc of the data processing unit of described main frame air conditioner is the RS232 interface, and the level conversion unit between itself and the data processing unit is that to adopt model be the chip of MAX232.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011365560A CN1174196C (en) | 2001-10-17 | 2001-10-17 | air conditioner remote monitoring system with master-slave control function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011365560A CN1174196C (en) | 2001-10-17 | 2001-10-17 | air conditioner remote monitoring system with master-slave control function |
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| CN1412489A CN1412489A (en) | 2003-04-23 |
| CN1174196C true CN1174196C (en) | 2004-11-03 |
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| CNB011365560A Expired - Lifetime CN1174196C (en) | 2001-10-17 | 2001-10-17 | air conditioner remote monitoring system with master-slave control function |
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Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1928445B (en) * | 2005-09-05 | 2010-10-13 | 珠海格力电器股份有限公司 | Multi-connected air conditioning unit and network communication method thereof |
| CN101699414B (en) * | 2009-09-30 | 2011-11-16 | 曙光信息产业(北京)有限公司 | Data processing system |
| CN102455059A (en) * | 2010-10-17 | 2012-05-16 | 青岛三利中德美水设备有限公司 | Cluster controlled heat pump hot water system |
| CN102193533B (en) * | 2011-01-12 | 2013-11-13 | 大连佳峰电子有限公司 | Motion control system |
| CN103676800B (en) * | 2012-09-11 | 2016-05-04 | 江苏省精创电气股份有限公司 | Supermarket refrigerator group control system |
| CN103853112B (en) * | 2012-11-30 | 2016-08-17 | 广东美的制冷设备有限公司 | Remote controlled master-slave telecontrol device system, control method and air-conditioner |
| CN103645718A (en) * | 2013-12-14 | 2014-03-19 | 广东志高空调有限公司 | Air conditioner monitoring system based on RS-485 bus |
| CN103714687A (en) * | 2014-01-08 | 2014-04-09 | 上海市基础工程集团有限公司 | Data transmission method of automatic pipe-jacking measurement system |
| CN104329769A (en) * | 2014-09-18 | 2015-02-04 | 青岛海尔空调器有限总公司 | Signal controller, signal control method and air treatment system |
| DE112014003475T5 (en) * | 2014-11-05 | 2016-07-28 | Mitsubishi Electric Corporation | Remote control device and control system |
| CN105207866B (en) * | 2015-10-26 | 2019-03-05 | 珠海格力电器股份有限公司 | Communication method of control terminal based on air conditioner control network and air conditioner control network |
| CN106980274A (en) * | 2016-01-19 | 2017-07-25 | 珠海格力电器股份有限公司 | air conditioning unit control method |
| CN105757898A (en) * | 2016-03-31 | 2016-07-13 | 三菱重工海尔(青岛)空调机有限公司 | Method of monitoring multi-split air conditioner |
| CN108361919B (en) * | 2018-01-29 | 2020-04-24 | 上海科众恒盛云计算科技有限公司 | Dual-machine redundancy control system for precision air conditioner |
| CN108800482B (en) * | 2018-05-24 | 2020-08-14 | 青岛海信电子设备股份有限公司 | Air conditioner cluster control method |
| CN109724206A (en) * | 2019-01-11 | 2019-05-07 | 青岛海信日立空调系统有限公司 | Air-conditioner set |
| CN110274362B (en) * | 2019-06-26 | 2020-09-01 | 珠海格力电器股份有限公司 | Multi-system synchronization method, display panel, electric control system and air conditioner |
| CN111446774B (en) * | 2020-03-26 | 2022-01-07 | 九江历源整流设备有限公司 | Configuration method of power supply equipment, power supply equipment and computer storage medium |
| CN112032940A (en) * | 2020-09-14 | 2020-12-04 | 深圳市华富可节能技术有限公司 | Air conditioner room group control system |
| CN113341739B (en) * | 2021-05-26 | 2022-06-07 | 城家酒店管理有限公司 | Intelligent device management method, system and application device |
-
2001
- 2001-10-17 CN CNB011365560A patent/CN1174196C/en not_active Expired - Lifetime
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