CN101105322A - Air conditioner intelligent control method - Google Patents
Air conditioner intelligent control method Download PDFInfo
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- CN101105322A CN101105322A CNA2007100298294A CN200710029829A CN101105322A CN 101105322 A CN101105322 A CN 101105322A CN A2007100298294 A CNA2007100298294 A CN A2007100298294A CN 200710029829 A CN200710029829 A CN 200710029829A CN 101105322 A CN101105322 A CN 101105322A
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Abstract
The invention relates to air conditioner filed, in particular to an intelligent control method of air conditioner. By overcoming the shortcomings of the prior art, the invention needs not to develop multiple selection systems corresponding to multiple system requirements or manually set the selection system by dial-up, jumping wire, and other methods, instead, the invention utilizes a general control mainboard to perform automatic detection of system number in accordance with air inlet temperature, air outlet temperature, air inlet pressure, air outlet pressure that are fed back from the compressor, overload protection quantity and other parameters, and then invokes the corresponding control program to control, so that one control mainboard is general for multiple-type or multi-system air-conditioning system, and the problems in the prior art including complex types, various dial-up codes, complex wiring, and complex production, debugging and maintenance of the control mainboard can be solved. In addition, aiming at multi-system and multi-compressor air conditioner, the intelligent control balances the compressors to perform controlling function, so that the service life of complete air conditioning unit is prolonged and the reliability is also improved.
Description
Technical field
The present invention relates to the air-conditioner field, relate in particular to the intelligence control method of air-conditioner.
Background technology
In the existing central air conditioner system, a class unit often is divided into the dissimilar of single compressor, double-compressor and multi-compressor.For the different air-conditioning control object that causes owing to the number of compressors difference, present common practices is that a class type develops many moneys controller or a controller adopts artificial setting the such as wire jumper or dial-up to distinguish different system.Such as, if water-cooled cold wind type cabinet air conditioner adopts control scheme shown in Figure 1, at least 3 kinds of controllers are developed in requirement, be respectively that the corresponding single compressor system of mainboard A, mainboard B are applied to the multi-compressor system corresponding to double compressor system, mainboard C, the shortcoming of this way is apparent: develop a large amount of controller models, the controller model difference of every kind of type correspondence causes a large amount of storages, production, after-sales service problem; If adopt scheme shown in Figure 2, adopt a controller mainboard C then by wire jumper or the different system of dial-up difference, be improved than first kind of scheme, but its shortcoming is: be at different control objects artificial setting dial-up, wire jumper, and specification will be at length checked in these settings, for producing and the client, or difficult problem, facts have proved that the fault ratio that dial-up wire jumper problem causes is very high, maintenance cost is also high; Existing in a word way is not a controller model complexity, and the maintenance difficulties height is exactly that the very important person sets, and causes the setting mistake easily, causes the unit cisco unity malfunction, produces problems such as a large amount of complaints.
In addition, present good multicomputer is not considered compressor equilibrium operating problem, substantially be that load is little, use certain compressor (such as compressor 1) exactly, load becomes and greatly just starts compressor 2, just start the principle of compressor 3 or the like more greatly, this has just caused at transition season, when load is little for a long time, cause compressor 1 to turn round for a long time, other the problem that can not get running time, it is serious to make that like this compressor 1 uses, even significantly reduce the situation that other compressor is also intact, the result who causes complete machine significantly to reduce service life service life.
Summary of the invention
The intelligence control method that the purpose of this invention is to provide a kind of air-conditioner can be discerned the system type of air-conditioner automatically, and calls the action that the control program that adapts to this system type is controlled air-conditioner automatically.
Above-mentioned purpose is realized by following technical scheme:
A kind of intelligence control method of air-conditioner, it is characterized in that, when the air-conditioning unit powers on, read the compressor parameter of each compressor link on the air-conditioner control mainboard, read the order by N (N is more than or equal to 3) to the 1st compressor link, if N compressor link can obtain the compressor parameter value, judge that then this air-conditioner is the N system air conditioner, call the N system control program then and control this air-conditioner, if do not obtain the compressor parameter value at N compressor link, then and then read the compressor parameter of N-1 compressor link on the air-conditioner control mainboard, if can obtain the compressor parameter value, judge that then this air-conditioner is the N-1 system air conditioner, call the N-1 system control program then and control this air-conditioner, if do not obtain the compressor parameter value, then repeat above-mentioned steps, until reading to the 1st compressor link at N-1 compressor link.
Another object of the present invention is based on the intelligence control method of above-mentioned accent device, and then provide each system equalization progress control method at dual system or multisystem air conditioner device, can be so that each system's equilibrium operation of air-conditioner, avoid single compressor assembly excessively to use and make machine life shorten.
Above-mentioned another purpose is realized by following technical scheme:
For dual system or multisystem air conditioner device, the intelligence control method of air-conditioner also comprises each system equalization progress control method, and this each system equalization progress control method comprises: at first, obtain the accumulated running time of a compressor; Then, when air-conditioning system need increase load, just search the compressor that is in off-mode, the compressor that accumulated running time is the shortest is opened, if load is still not enough, just repeats the operation of front in the remaining compressor of not opening; When system need reduce load, just search the compressor that is in open state, the longest closing of accumulated running time, if load is still too high, the operation before just in the compressor of remaining unlatching, repeating.
The present invention has overcome shortcoming of the prior art; need not to develop methods such as corresponding a plurality of system requirements of many moneys or employing dial-up wire jumper and artificially set selective system; but utilize the intake air temperature of a general controls mainboard according to the compressor feedback; air outlet temperature; admission pressure; the parameters such as stress and overload protective number of giving vent to anger; automatically detect and judge number of systems; calling corresponding control program then controls; make general many moneys of a control mainboard or a plurality of system air conditioner system; it is numerous and diverse to have solved in the conventional art model; dial-up is various, the wiring complexity; and problems such as debugging complexity is safeguarded and produced to the control mainboard.In addition, this intelligence control method provides each compressor equilibrium operating control function at the air-conditioner of multisystem, multiple pressure machine, and the machine life of air-conditioning unit is prolonged greatly, and reliability also is improved.
Description of drawings
Fig. 1 is the control scheme schematic diagram that tradition is controlled single, double or multisystem air conditioner device;
Fig. 2 is the control scheme schematic diagram of the single, double or multisystem air conditioner device of control commonly used now;
Fig. 3 is that the present invention adopts intelligence control method to realize controlling the control scheme schematic diagram of single, double or multisystem air conditioner device by single mainboard;
Fig. 4 is the control program flow chart of air-conditioner intelligence control method of the present invention;
Fig. 5 is the compressor condition subroutine flow chart of reading provided by the invention;
Fig. 6 is a compressor operating time calendar subroutine flow chart provided by the invention;
Fig. 7 is each compressor equilibrium operating scheduling subroutine flow chart provided by the invention.
The specific embodiment
The invention provides a kind of intelligence control method of air-conditioner, this intelligent method is discerned air-conditioner system type (single compressor system, double compressor system or multi-compressor system) by automatic, and then calls the control program that is fit to this air-conditioner system type and control.By the mode of this intelligence control method by software programming is integrated on the control mainboard, make this mainboard become the general mainboard of intelligence during realization, can be adapted to the control of the air-conditioner of single, double or multisystem, as shown in Figure 3.
In air-conditioning system; the control mainboard generally has N and (is generally three; but can be in theory or when actual demand is arranged for more) individual compressor link; if a certain link is connected with compressor; the control mainboard just can obtain the intake air temperature of institute's connection compressor from this link; air outlet temperature; admission pressure; the parameters such as stress and overload protective number of giving vent to anger; if a certain link does not connect compressor, the intake air temperature that the control mainboard obtains from this link; air outlet temperature; admission pressure; the parameters such as overload protection amount that go out atmospheric pressure and corresponding compressor are empty (being open-circuit condition).According to above-mentioned principle, can when power on, unit judge by the compressor parameter that reads each compressor link of control mainboard whether each compressor link is connected with compressor, thereby can determine the system type of this air-conditioner.For example, when only having the 1st compressor link can obtain each parameter of above-mentioned compressor, determine that then this air-conditioner is the single system type; If when only having the 1st compressor link can obtain each parameter of the compressor that is connected separately, determine that then this air-conditioner is the dual system type with the 2nd compressor link; In like manner, if when the 1st～N (N is more than or equal to 3) compressor link all can obtain separately each parameter of the compressor that connects, determine that then this air-conditioner is a N system type.When each compressor link is read the compressor parameter,, need read a time period for example 30 seconds continuously in order to make the result who reads correctly reliable.
Behind the system type of having determined air-conditioner, intelligence control method provided by the invention just calls the control program that adapts to this air-conditioning type this air-conditioner is controlled.
As mentioned above, and in conjunction with consulting Fig. 4, air-conditioner intelligence control method provided by the invention, comprise: when the air-conditioning unit powers on, read the compressor parameter of each compressor link on the air-conditioner control mainboard, read the order by N (N is more than or equal to 3) to the 1st compressor link, if N compressor link can obtain the compressor parameter value, judge that then this air-conditioner is the N system air conditioner, call the N system control program then and control this air-conditioner, if do not obtain the compressor parameter value at N compressor link, then and then read the compressor parameter of N-1 compressor link on the air-conditioner control mainboard, if can obtain the compressor parameter value, judge that then this air-conditioner is the N-1 system air conditioner, call the N-1 system control program then and control this air-conditioner, if do not obtain the compressor parameter value at N-1 compressor link, then repeat above-mentioned steps, until reading to the 1st compressor link.
The intelligence control method of above-mentioned air-conditioner; after the value that reads each temperature, pressure, protective number etc.; make a decision; satisfy the operation of the sort of system and just call corresponding program; not needing really to have realized artificial setting, a control mainboard just has the function of a plurality of systems of automatic identification, and it is few to have model; automatically the characteristics of identification are air-conditioning control schemes that is worthy to be popularized very much.
The present invention also provides each the system equalization progress control method when dual system or multisystem on the basis of above-mentioned intelligence control method.
Above-mentioned each system equalization progress control method is the technology that adopts each system or compressor operating time timing, rational dispatching algorithm, realize the equilibrium operating in time of a plurality of compressors, thereby avoid single compressor excessively to use, prolong the service life of whole air-conditioning unit.
See also Fig. 5, read the compressor condition subroutine by reading the operation that the compressor state carries out set or removes corresponding running mark.The flag bit that Fig. 6 subprogram reference clock obtains according to Fig. 5 subprogram is to the compressor operating time timing of each system, thus the running time of obtaining each compressor, for preparing with each compressor operating time of post-equalization.
See also Fig. 7, this flow chart has reflected how system dispatches the temporal control thought of distribution compressor operating.When system need increase load, just search the compressor that is in off-mode, the shortest unlatching of accumulated running time,, just in the remaining compressor of not opening, repeat the operation of front if load is still not enough; When system need reduce load, just search the compressor that is in open state, the longest closing of accumulated running time, if load is still too high, the operation before just in the compressor of remaining unlatching, repeating.Also can adopt similar determination methods for multisystem more, guarantee each compressor operating time balance as far as possible to greatest extent, avoid single compressor to open for a long time, the long-time no situation of other compressor, thus prolong the service life of complete machine group.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, does not break away from any modification or partial replacement of spirit and scope of the invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. the intelligence control method of an air-conditioner, it is characterized in that, when the air-conditioning unit powers on, read the compressor parameter of each compressor link on the air-conditioner control mainboard, read the order by N (N is more than or equal to 3) to the 1st compressor link, if N compressor link can obtain the compressor parameter value, judge that then this air-conditioner is the N system air conditioner, call the N system control program then and control this air-conditioner, if do not obtain the compressor parameter value at N compressor link, then and then read the compressor parameter of N-1 compressor link on the air-conditioner control mainboard, if can obtain the compressor parameter value, judge that then this air-conditioner is the N-1 system air conditioner, call the N-1 system control program then and control this air-conditioner, if do not obtain the compressor parameter value, then repeat above-mentioned steps, until reading to the 1st compressor link at N-1 compressor link.
2. the intelligence control method of air-conditioner as claimed in claim 1 is characterized in that, described compressor parameter comprises intake air temperature, air outlet temperature, the admission pressure of compressor, the stress and overload protective number of giving vent to anger.
3. the intelligence control method of air-conditioner as claimed in claim 1 is characterized in that, the compressor parameter that reads each compressor link on the air-conditioner control mainboard need read a time period continuously.
4. as the intelligence control method of claim 1,2 or 3 described air-conditioners, it is characterized in that, for dual system or multisystem air conditioner device, the intelligence control method of air-conditioner also comprises each system equalization progress control method, this each system equalization progress control method comprises: at first, obtain the accumulated running time of each compressor; Then, when air-conditioning system need increase load, just search the compressor that is in off-mode, the compressor that accumulated running time is the shortest is opened, if load is still not enough, just repeats the operation of front in the remaining compressor of not opening; When system need reduce load, just search the compressor that is in open state, the longest closing of accumulated running time, if load is still too high, the operation before just in the compressor of remaining unlatching, repeating.
5. the intelligence control method of air-conditioner as claimed in claim 1, it is characterized in that in each system equalization progress control method, the method for obtaining the accumulated running time of each compressor is, compressor operating is established flag bit, pass through the flag bit of compressor operating then the compressor operating timing.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100298294A CN100487331C (en) | 2007-08-21 | 2007-08-21 | Air conditioner intelligent control method |
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| CNB2007100298294A CN100487331C (en) | 2007-08-21 | 2007-08-21 | Air conditioner intelligent control method |
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| CN101105322A true CN101105322A (en) | 2008-01-16 |
| CN100487331C CN100487331C (en) | 2009-05-13 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147143A (en) * | 2011-04-06 | 2011-08-10 | 深圳达实智能股份有限公司 | On-off optimization control method and device of central air-conditioning system |
| CN103115415A (en) * | 2011-11-17 | 2013-05-22 | 珠海格力电器股份有限公司 | Air conditioner and controlling method and controlling device thereof |
| CN104154632A (en) * | 2014-08-13 | 2014-11-19 | 国家电网公司 | Centralized control method for precision machine room air-conditioner system |
| CN104879893A (en) * | 2015-05-19 | 2015-09-02 | 国家电网公司 | Centralized control method of precise air conditioning system |
| CN105258290A (en) * | 2015-10-22 | 2016-01-20 | 珠海格力电器股份有限公司 | Group control system mounted on air conditioner |
| CN105546769A (en) * | 2016-02-25 | 2016-05-04 | 美的集团武汉制冷设备有限公司 | Air conditioner control method and air conditioner |
| CN106196487A (en) * | 2014-09-30 | 2016-12-07 | 广东美的制冷设备有限公司 | The sharing method of air-conditioner trip information, air conditioning system and client |
| CN106352637A (en) * | 2016-11-28 | 2017-01-25 | 重庆美的通用制冷设备有限公司 | Air conditioner, and control method and control device thereof |
| CN107120805A (en) * | 2017-06-08 | 2017-09-01 | 广东美的暖通设备有限公司 | The Wiring detection method and device of multi-compressor air conditioning system compressor sensor |
| CN107831720A (en) * | 2017-10-20 | 2018-03-23 | 爱普（福建）科技有限公司 | Optimize the control method and computer equipment of equipment operating mode |
| CN111692610A (en) * | 2020-06-17 | 2020-09-22 | 珠海格力电器股份有限公司 | Fan control method, heat exchange structure and gas water heater |
-
2007
- 2007-08-21 CN CNB2007100298294A patent/CN100487331C/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147143B (en) * | 2011-04-06 | 2013-06-12 | 深圳达实智能股份有限公司 | On-off optimization control method and device of central air-conditioning system |
| CN102147143A (en) * | 2011-04-06 | 2011-08-10 | 深圳达实智能股份有限公司 | On-off optimization control method and device of central air-conditioning system |
| CN103115415A (en) * | 2011-11-17 | 2013-05-22 | 珠海格力电器股份有限公司 | Air conditioner and controlling method and controlling device thereof |
| CN103115415B (en) * | 2011-11-17 | 2015-06-03 | 珠海格力电器股份有限公司 | Air conditioner and controlling method and controlling device thereof |
| CN104154632A (en) * | 2014-08-13 | 2014-11-19 | 国家电网公司 | Centralized control method for precision machine room air-conditioner system |
| CN106196487A (en) * | 2014-09-30 | 2016-12-07 | 广东美的制冷设备有限公司 | The sharing method of air-conditioner trip information, air conditioning system and client |
| CN104879893A (en) * | 2015-05-19 | 2015-09-02 | 国家电网公司 | Centralized control method of precise air conditioning system |
| CN105258290A (en) * | 2015-10-22 | 2016-01-20 | 珠海格力电器股份有限公司 | Group control system mounted on air conditioner |
| CN105546769A (en) * | 2016-02-25 | 2016-05-04 | 美的集团武汉制冷设备有限公司 | Air conditioner control method and air conditioner |
| CN105546769B (en) * | 2016-02-25 | 2019-06-04 | 美的集团武汉制冷设备有限公司 | The control method and air conditioner of air conditioner |
| CN106352637A (en) * | 2016-11-28 | 2017-01-25 | 重庆美的通用制冷设备有限公司 | Air conditioner, and control method and control device thereof |
| CN107120805A (en) * | 2017-06-08 | 2017-09-01 | 广东美的暖通设备有限公司 | The Wiring detection method and device of multi-compressor air conditioning system compressor sensor |
| CN107831720A (en) * | 2017-10-20 | 2018-03-23 | 爱普（福建）科技有限公司 | Optimize the control method and computer equipment of equipment operating mode |
| CN111692610A (en) * | 2020-06-17 | 2020-09-22 | 珠海格力电器股份有限公司 | Fan control method, heat exchange structure and gas water heater |
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| Publication number | Publication date |
|---|---|
| CN100487331C (en) | 2009-05-13 |
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