CN104729021A - Control method of indoor unit in multiple on-line system and multiple on-line system - Google Patents
Control method of indoor unit in multiple on-line system and multiple on-line system Download PDFInfo
- Publication number
- CN104729021A CN104729021A CN201510142072.4A CN201510142072A CN104729021A CN 104729021 A CN104729021 A CN 104729021A CN 201510142072 A CN201510142072 A CN 201510142072A CN 104729021 A CN104729021 A CN 104729021A
- Authority
- CN
- China
- Prior art keywords
- indoor set
- return air
- air temperature
- conditioned
- holding state
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Abstract
The invention discloses a control method of an indoor unit in a multiple on-line system and the multiple on-line system. The control method comprises the steps that 1 the return air temperature in each indoor unit of a plurality of indoor units is detected; 2 judgment on whether the return air temperature of the indoor unit satisfying a preparatory condition or not is conducted when any one indoor unit of the indoor units prepares to shift into a holding state from the current operating state or to shift into the operating state from the current holding state; 3 if the judgment is that the return air temperature of the indoor unit satisfies the preparatory condition, the throttle valve of the indoor unit is controlled to be in an off state, the indoor unit is controlled to operated with a current wind gear for a preset time, judgment on whether the return air temperature of the indoor unit satisfying the preparatory condition or not is conducted again, and control over the state of the indoor unit is conducted according to the result of the re-judgment. According to the control method provided by the embodiment of the invention, the error in return air temperature detecting can be reduced, the influence on the return air temperature by cold radiation and thermal radiation is overcome, the reliability of the multiple on-line system is improved, and the user experience is improved.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly the control method of indoor set and multiple on-line system in a kind of multiple on-line system.
Background technology
In multiple central air conditioner field, air cooling system is less by heat transfer medium constraint because of it, applies more and more extensive.Return air is the source of air-treatment, and return air temperature is then an important parameter in air handling process, and it is similar to and characterizes indoor-outdoor air current state.According to return air temperature, air-conditioning system determines whether open refrigeration, heats; Further, air-conditioning system determines to export how many colds, heat according to return air temperature; Finally, air-conditioning system determines when stop refrigeration according to return air temperature, heats.But; in reality; due to the impact of hot and cold radiation; the return air temperature that air-conditioning system detects and indoor and outdoor real-world temperature have certain deviation; this will cause air-conditioning system to make some erroneous judgements; and then produce shut down as frequently reached design temperature, frequently reach design temperature and be not easy again to open, system exports phenomenon and situations such as not mating with actual load demand, both affected Consumer's Experience, brought hidden danger to air-conditioning system reliability again.
Summary of the invention
Object of the present invention is intended at least solve above-mentioned technological deficiency.
For this reason; one object of the present invention is the control method proposing indoor set in a kind of multiple on-line system; this control method can avoid indoor set frequently reach halt condition and shut down; also the indoor set being in holding state can be avoided not easily again to open because of return air temperature distortion; improve the reliability of multiple on-line system, thus improve Consumer's Experience.
Second object of the present invention is to propose a kind of multiple on-line system.
For achieving the above object, the control method of indoor set in the multiple on-line system that first aspect present invention embodiment proposes, described multiple on-line system comprises off-premises station and multiple indoor set, said method comprising the steps of: S1, detects the return air temperature of each indoor set in described multiple indoor set; S2, when any one indoor set in described multiple indoor set is prepared proceed to holding state or prepared to proceed to running status by current idle state by current operating conditions, judges whether the return air temperature of this indoor set meets pre-conditioned; S3, if it is described pre-conditioned to judge that the return air temperature of this indoor set meets, the choke valve then controlled in this indoor set is in closed condition, and control after this indoor set runs the first Preset Time with current wind shelves, again judge whether the return air temperature of this indoor set meets described pre-conditioned, and control according to the state of the result again judged to described indoor set.
According to the control method of indoor set in the multiple on-line system of the embodiment of the present invention; the error that return air temperature detects can be reduced; overcome the impact of hot and cold radiation on return air temperature; indoor set can be avoided frequently to reach halt condition and shut down; also the indoor set being in holding state can be avoided not easily again to open because of return air temperature distortion; improve the reliability of multiple on-line system, thus improve Consumer's Experience.
In one embodiment of the invention, when this indoor set runs with heating mode, if the return air temperature of this indoor set is more than or equal to design temperature and the compensation temperature sum preset, then judge that the return air temperature of this indoor set meets described pre-conditioned; When this indoor set runs in a chiller mode, if the return air temperature of this indoor set is less than or equal to design temperature and the compensation temperature sum preset, then judge that the return air temperature of this indoor set meets described pre-conditioned.
In one embodiment of the invention, in step s3, if it is described pre-conditioned again to judge that the return air temperature of this indoor set meets, then controls this indoor set and enter holding state by running status; If it is described pre-conditioned again to judge that the return air temperature of this indoor set does not meet, the state then controlled before this indoor set is closed according to choke valve is run, until detect the return air temperature of this indoor set meet described pre-conditioned after, control this indoor set and enter holding state by running status.
In one embodiment of the invention, when any one indoor set in described multiple indoor set is prepared to proceed to running status by current idle state, described S3, specifically comprise: if the return air temperature being in the indoor set of holding state described in judging meets described pre-conditioned, described in then controlling, the choke valve be in the indoor set of holding state is in closed condition, and after the indoor set being in holding state described in controlling runs described first Preset Time with current wind shelves, whether the return air temperature being in the indoor set of holding state described in again judging meets described pre-conditioned, if the return air temperature being in the indoor set of holding state described in again judging does not meet described pre-conditioned, then the indoor set being in holding state described in controlling opens operation according to present instruction.
In one embodiment of the invention, in step s 2, if the return air temperature being in the indoor set of holding state described in judging does not meet described pre-conditioned, then the indoor set being in holding state described in controlling opens operation according to present instruction.
For achieving the above object, the multiple on-line system that second aspect present invention embodiment proposes, comprising: off-premises station, multiple indoor set, temperature detecting module, described temperature detecting module is for detecting the return air temperature of each indoor set in described multiple indoor set, control module, when described control module is prepared proceed to holding state or prepared to proceed to running status by current idle state by current operating conditions for any one indoor set in described multiple indoor set, judge whether the return air temperature of this indoor set meets pre-conditioned, wherein, if it is described pre-conditioned that described control module judges that the return air temperature of this indoor set meets, the choke valve then controlled in this indoor set is in closed condition, and control after this indoor set runs the first Preset Time with current wind shelves, it is described pre-conditioned that described control module judges whether the return air temperature of this indoor set meets again, and control according to the state of the result again judged to described indoor set.
According to the multiple on-line system of the embodiment of the present invention; the error that return air temperature detects can be reduced; overcome the impact of hot and cold radiation on return air temperature; indoor set can be avoided frequently to reach halt condition and shut down; also the indoor set being in holding state can be avoided not easily again to open because of return air temperature distortion; improve the reliability of multiple on-line system, thus improve Consumer's Experience.
In one embodiment of the invention, when this indoor set runs with heating mode, if the return air temperature of this indoor set is more than or equal to design temperature and the compensation temperature sum preset, it is described pre-conditioned that described control module then judges that the return air temperature of this indoor set meets; When this indoor set runs in a chiller mode, if the return air temperature of this indoor set is less than or equal to design temperature and the compensation temperature sum preset, it is described pre-conditioned that described control module then judges that the return air temperature of this indoor set meets.
In one embodiment of the invention, if again to judge that the return air temperature of this indoor set meets described pre-conditioned for described control module, then control this indoor set and enter holding state by running status; If it is described pre-conditioned that described control module judges that the return air temperature of this indoor set does not meet again, the state then controlled before this indoor set is closed according to choke valve is run, until detect the return air temperature of this indoor set meet described pre-conditioned after, described control module controls this indoor set and enters holding state by running status.
In one embodiment of the invention, when in described multiple indoor set, any one indoor set is prepared to proceed to running status by current idle state, whether the return air temperature being in the indoor set of holding state described in described control module judges meets described pre-conditioned, wherein, if the return air temperature being in the indoor set of holding state described in described control module judges meets described pre-conditioned, described in then controlling, the choke valve be in the indoor set of holding state is in closed condition, and after the indoor set being in holding state described in controlling runs described first Preset Time with current wind shelves, whether the return air temperature being in the indoor set of holding state described in described control module judges again meets described pre-conditioned, if the return air temperature being in the indoor set of holding state described in described control module judges again does not meet described pre-conditioned, then the indoor set being in holding state described in controlling opens operation according to present instruction.
In one embodiment of the invention, when in described multiple indoor set, any one indoor set is prepared to proceed to running status by current idle state, if the return air temperature being in the indoor set of holding state described in described control module judgement does not meet described pre-conditioned, then the indoor set being in holding state described in controlling opens operation according to present instruction.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the flow chart of the control method of indoor set in multiple on-line system according to an embodiment of the invention;
Fig. 2 is the block diagram of multiple on-line system according to an embodiment of the invention.
Reference numeral:
Off-premises station 10, multiple indoor set 20, temperature detecting module 30 and control module 40.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1 is the flow chart of the control method of indoor set in multiple on-line system according to an embodiment of the invention.As shown in Figure 1, the control method of indoor set in the multiple on-line system of the embodiment of the present invention, comprises the following steps:
S1, detects the return air temperature of each indoor set in multiple indoor set.
Particularly, multiple on-line system detects the return air temperature T1 of indoor set at interval of time Δ t.
S2, when any one indoor set in multiple indoor set is prepared proceed to holding state or prepared to proceed to running status by current idle state by current operating conditions, judges whether the return air temperature of this indoor set meets pre-conditioned.
In one embodiment of the invention, if current indoor machine is in running status, when this indoor set runs with heating mode, if the return air temperature T1 of this indoor set is more than or equal to design temperature Ts and the compensation temperature Δ T sum (i.e. T1 >=Ts+ Δ T) preset, then judge that the return air temperature of this indoor set meets pre-conditioned; When this indoor set runs in a chiller mode, if the return air temperature T1 of this indoor set is less than or equal to design temperature Ts and the compensation temperature Δ T sum (i.e. T1≤Ts+ Δ T) preset, then judge that the return air temperature of this indoor set meets pre-conditioned.
S3, if it is pre-conditioned to judge that the return air temperature of this indoor set meets, the choke valve then controlled in this indoor set is in closed condition, and control after this indoor set runs the first Preset Time with current wind shelves, again judge whether the return air temperature of this indoor set meets pre-conditioned, and control according to the state of the result again judged to indoor set.
In one embodiment of the invention, when any one indoor set in multiple indoor set is prepared to proceed to holding state by current operating conditions, in step s3, if it is described pre-conditioned again to judge that the return air temperature of this indoor set meets, then controls this indoor set and enter holding state by running status; If it is described pre-conditioned again to judge that the return air temperature of this indoor set does not meet, the state then controlled before this indoor set is closed according to choke valve is run, until detect the return air temperature of this indoor set meet described pre-conditioned after, control this indoor set and enter holding state by running status.
Particularly, if it is pre-conditioned to judge that the return air temperature of this indoor set meets, then first the choke valve in this indoor set cuts out, after running a period of time t (i.e. the first Preset Time) by current wind shelves again, again detect return air temperature, and this return air temperature is designated as Tn, and it is pre-conditioned again to judge whether Tn meets, namely judge whether to meet Tn >=Ts+ Δ T (heating mode), or Tn≤Ts+ Δ T (refrigeration mode).If meet Tn >=Ts+ Δ T (heating mode), or Tn≤Ts+ Δ T (refrigeration mode), then control this indoor set and enter holding state by running status.
More specifically, if it is pre-conditioned again to judge that the return air temperature of this indoor set does not meet, namely Tn < Ts+ Δ T (heating mode), or Tn > Ts+ Δ T (refrigeration mode), then control this indoor set according to the mode operation before choke valve closedown, until detect the return air temperature of this indoor set meet pre-conditioned after, namely Tn >=Ts+ Δ T (heating mode) or Tn≤Ts+ Δ T (refrigeration mode), controls this indoor set and enters holding state by running status.
The control method of indoor set in the multiple on-line system of the embodiment of the present invention; when the return air temperature of indoor set under refrigeration detected, heating state triggers halt condition (namely meeting pre-conditioned); first eliminate hot and cold radiation effect; and then confirm whether return air temperature reaches halt condition; return air temperature metrical error can be reduced; overcome the impact of hot and cold radiation on return air temperature, avoid system frequently reach halt condition and shut down.
In another embodiment of the present invention, when any one indoor set in multiple indoor set is prepared to proceed to running status by current idle state, namely this indoor set being in holding state receives start-up command and detects when heating instruction/refrigeration instruction, judge whether this return air temperature being in the indoor set of holding state meets pre-conditioned, namely judge whether to meet T1 >=Ts+ Δ T while heating instruction (detect) or T1≤Ts+ Δ T (when refrigeration instruction being detected), then S3 is performed, described S3, specifically comprises:
If judge that the return air temperature being in the indoor set of holding state meets pre-conditioned, then control the choke valve be in the indoor set of holding state and be in closed condition, and after the indoor set controlling to be in holding state runs the first Preset Time with current wind shelves, again judge whether the return air temperature being in the indoor set of holding state meets pre-conditioned; If again judge that the return air temperature being in the indoor set of holding state does not meet pre-conditioned, then the indoor set controlling to be in holding state opens operation according to present instruction.
Particularly, if meet T1 >=Ts+ Δ T while heating instruction (detect) or T1≤Ts+ Δ T (when refrigeration instruction being detected), then first the choke valve in corresponding indoor set cuts out, and the indoor set controlling correspondence runs the first Preset Time with current wind shelves, and then detection return air temperature, be designated as Tn, and it is pre-conditioned again to judge whether return air temperature Tn meets, namely whether meet Tn >=Ts+ Δ T while heating instruction (detect) or Tn≤Ts+ Δ T (when refrigeration instruction being detected).
Further, if it is pre-conditioned again to judge that return air temperature Tn does not meet, i.e. Tn < Ts+ Δ T while heating instruction (detect) or Tn > Ts+ Δ T (when refrigeration instruction being detected), then control corresponding indoor set and open according to present instruction and run.
In addition, when again judging whether the return air temperature being in the indoor set of holding state meets pre-conditioned, if Tn >=Ts+ Δ T while heating instruction (detect) or Tn≤Ts+ Δ T (when refrigeration instruction being detected), the return air temperature of indoor set is then detected at interval of time Δ t, until when the return air temperature of the indoor set detected meets Tn < Ts+ Δ T while heating instruction (detect) or Tn > Ts+ Δ T (when refrigeration instruction being detected), control this indoor set and open according to present instruction and run.
In one embodiment of the invention, when any one indoor set in multiple indoor set is prepared to proceed to running status by current idle state, in step s 2, if judge that the return air temperature being in the indoor set of holding state does not meet pre-conditioned, then the indoor set controlling to be in holding state opens operation according to present instruction.The method of the embodiment of the present invention, when the indoor set being in holding state receives start-up command but return air temperature does not reach compressor start up condition (when meeting pre-conditioned), first eliminate hot and cold radiation effect, and then confirm whether return air temperature reaches compressor start up condition, and the indoor set being in holding state can be avoided not easily again to open because of return air temperature distortion.
The control method of indoor set in the multiple on-line system of the embodiment of the present invention; the error that return air temperature detects can be reduced; overcome the impact of hot and cold radiation on return air temperature; indoor set can be avoided frequently to reach halt condition and shut down; also the indoor set being in holding state can be avoided not easily again to open because of return air temperature distortion; improve the reliability of multiple on-line system, thus improve Consumer's Experience.
In order to realize above-described embodiment, the invention allows for a kind of multiple on-line system.
Fig. 2 is the block diagram of multiple on-line system according to an embodiment of the invention.As shown in Figure 2, the multiple on-line system of the embodiment of the present invention, comprising: off-premises station 10, multiple indoor set 20, temperature detecting module 30 and control module 40.
Temperature detecting module 30 is for detecting the return air temperature of each indoor set 20 in multiple indoor set 20.
Particularly, temperature detecting module 30 detects the return air temperature T1 of indoor set 20 at interval of time Δ t.
When control module 40 is prepared proceed to holding state or prepared to proceed to running status by current idle state by current operating conditions for any one indoor set 20 in multiple indoor set 20, judge whether the return air temperature of this indoor set 20 meets pre-conditioned, wherein, if it is pre-conditioned that control module 40 judges that the return air temperature of this indoor set 20 meets, the choke valve then controlled in this indoor set 20 is in closed condition, and control after this indoor set 20 runs the first Preset Time with current wind shelves, control module 40 judges whether the return air temperature of this indoor set 20 meets pre-conditioned again, and control according to the state of the result again judged to indoor set 20.
In one embodiment of the invention, if current indoor machine is in running status, when this indoor set 20 runs with heating mode, if the return air temperature T1 of this indoor set 20 is more than or equal to design temperature Ts and the compensation temperature Δ T sum (i.e. T1 >=Ts+ Δ T) preset, it is pre-conditioned that control module 40 judges that the return air temperature of this indoor set 20 meets; When this indoor set 20 runs in a chiller mode, if the return air temperature T1 of this indoor set 20 is less than or equal to design temperature Ts and the compensation temperature Δ T sum (i.e. T1≤Ts+ Δ T) preset, it is pre-conditioned that control module 40 judges that the return air temperature of this indoor set 20 meets.
In one embodiment of the invention, when any one indoor set 20 in multiple indoor set is prepared to proceed to holding state by current operating conditions, if it is pre-conditioned that control module 40 judges that the return air temperature of this indoor set 20 meets again, then control this indoor set 20 and enter holding state by running status; If it is pre-conditioned that control module 40 judges that the return air temperature of this indoor set 20 does not meet again, the state then controlled before this indoor set 20 is closed according to choke valve is run, until detect the return air temperature of this indoor set 20 meet pre-conditioned after, control module 40 controls this indoor set 20 and enters holding state by running status.
Particularly, if it is pre-conditioned that control module 40 judges that the return air temperature of this indoor set 20 meets, then the choke valve in this indoor set 20 first cuts out by control module 40, control after this indoor set 20 runs a period of time t (i.e. the first Preset Time) by current wind shelves again, again obtain return air temperature, and this return air temperature is designated as Tn, and it is pre-conditioned again to judge whether Tn meets, namely judge whether to meet Tn >=Ts+ Δ T (heating mode), or Tn≤Ts+ Δ T (refrigeration mode), if meet pre-conditioned, control module 40 controls this indoor set 20 and enters holding state by running status.
More specifically, if it is pre-conditioned that control module 40 judges that the return air temperature of this indoor set 20 does not meet again, namely Tn < Ts+ Δ T (heating mode), or Tn > Ts+ Δ T (refrigeration mode), control module 40 controls this indoor set 20 according to the mode operation before choke valve closedown, until detect the return air temperature of this indoor set 20 meet pre-conditioned after, i.e. Tn >=Ts+ Δ T (heating mode) or Tn≤Ts+ Δ T (refrigeration mode), controls this indoor set 20 and enters holding state by running status.
The multiple on-line system of the embodiment of the present invention; when the return air temperature of indoor set under refrigeration detected, heating state triggers halt condition (namely meeting pre-conditioned); first eliminate hot and cold radiation effect; and then confirm whether return air temperature reaches halt condition; return air temperature metrical error can be reduced; overcome the impact of hot and cold radiation on return air temperature, avoid system frequently reach halt condition and shut down.
In another embodiment of the present invention, when any one indoor set 20 in multiple indoor set is prepared to proceed to running status by current idle state, namely this indoor set 20 being in holding state receives start-up command and detects when heating instruction/refrigeration instruction, control module 40 judges whether the return air temperature being in the indoor set 20 of holding state meets pre-conditioned, namely judge whether to meet T1 >=Ts+ Δ T while heating instruction (detect) or T1≤Ts+ Δ T (when refrigeration instruction being detected), wherein
If control module 40 judges that the return air temperature being in the indoor set 20 of holding state meets pre-conditioned, then control the choke valve be in the indoor set 20 of holding state and be in closed condition, and after the indoor set 20 controlling to be in holding state runs the first Preset Time with current wind shelves, control module 40 judges whether the return air temperature of the indoor set 20 being in holding state meets pre-conditioned again; If control module 40 judges that the return air temperature of the indoor set 20 being in holding state does not meet pre-conditioned again, then the indoor set 20 controlling to be in holding state opens operation according to present instruction.
Particularly, when the one or more indoor sets 20 being in holding state receive start-up command and detect heat instruction/refrigeration instruction time, if control module 40 judges that the return air temperature being in the indoor set 20 of holding state meets pre-conditioned, namely T1 >=Ts+ Δ T while heating instruction (detect) or T1≤Ts+ Δ T (when refrigeration instruction being detected) is met, choke valve in corresponding indoor set 20 first cuts out by control module 40, and the indoor set 20 controlling correspondence runs the first Preset Time with current wind shelves, and then detection return air temperature, be designated as Tn, and it is pre-conditioned again to judge whether return air temperature Tn meets, namely Tn >=Ts+ Δ T while heating instruction (detect) or Tn≤Ts+ Δ T (when refrigeration instruction being detected) whether is met, if do not met, control module 40 controls corresponding indoor set 20 and opens operation according to present instruction.
In addition, when again judging whether the return air temperature being in the indoor set 20 of holding state meets pre-conditioned, if Tn >=Ts+ Δ T while heating instruction (detect) or Tn≤Ts+ Δ T (when refrigeration instruction being detected), the return air temperature of indoor set 20 is then detected at interval of time Δ t, until when the return air temperature of the indoor set 20 detected meets Tn < Ts+ Δ T while heating instruction (detect) or Tn > Ts+ Δ T (when refrigeration instruction being detected), control module 40 controls this indoor set 20 and opens operation according to present instruction.
In one embodiment of the invention, when in multiple indoor set, any one indoor set 20 is prepared to proceed to running status by current idle state, if control module 40 judges that the return air temperature being in the indoor set 20 of holding state does not meet pre-conditioned, then the indoor set 20 controlling to be in holding state opens operation according to present instruction.The system of the embodiment of the present invention, when the indoor set 20 being in holding state receives start-up command but return air temperature does not reach compressor start up condition (when meeting pre-conditioned), first eliminate hot and cold radiation effect, and then confirm whether return air temperature reaches compressor start up condition, and the indoor set 20 being in holding state can be avoided not easily again to open because of return air temperature distortion.
The multiple on-line system of the embodiment of the present invention; the error that return air temperature detects can be reduced; overcome the impact of hot and cold radiation on return air temperature; indoor set can be avoided frequently to reach halt condition and shut down; also the indoor set being in holding state can be avoided not easily again to open because of return air temperature distortion; improve the reliability of multiple on-line system, thus improve Consumer's Experience.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (10)
1. the control method of indoor set in multiple on-line system, it is characterized in that, described multiple on-line system comprises off-premises station and multiple indoor set, said method comprising the steps of:
S1, detects the return air temperature of each indoor set in described multiple indoor set;
S2, when any one indoor set in described multiple indoor set is prepared proceed to holding state or prepared to proceed to running status by current idle state by current operating conditions, judges whether the return air temperature of this indoor set meets pre-conditioned;
S3, if it is described pre-conditioned to judge that the return air temperature of this indoor set meets, the choke valve then controlled in this indoor set is in closed condition, and control after this indoor set runs the first Preset Time with current wind shelves, again judge whether the return air temperature of this indoor set meets described pre-conditioned, and control according to the state of the result again judged to described indoor set.
2. the control method of indoor set in multiple on-line system as claimed in claim 1, is characterized in that,
When this indoor set runs with heating mode, if the return air temperature of this indoor set is more than or equal to design temperature and the compensation temperature sum preset, then judge that the return air temperature of this indoor set meets described pre-conditioned;
When this indoor set runs in a chiller mode, if the return air temperature of this indoor set is less than or equal to design temperature and the compensation temperature sum preset, then judge that the return air temperature of this indoor set meets described pre-conditioned.
3. the control method of indoor set in multiple on-line system as claimed in claim 2, is characterized in that, in step s3,
If it is described pre-conditioned again to judge that the return air temperature of this indoor set meets, then controls this indoor set and enter holding state by running status;
If it is described pre-conditioned again to judge that the return air temperature of this indoor set does not meet, the state then controlled before this indoor set is closed according to choke valve is run, until detect the return air temperature of this indoor set meet described pre-conditioned after, control this indoor set and enter holding state by running status.
4. the control method of indoor set in multiple on-line system as claimed in claim 1, it is characterized in that, when any one indoor set in described multiple indoor set is prepared to proceed to running status by current idle state, described S3, specifically comprises:
If the return air temperature being in the indoor set of holding state described in judging meets described pre-conditioned, described in then controlling, the choke valve be in the indoor set of holding state is in closed condition, and after the indoor set being in holding state described in controlling runs described first Preset Time with current wind shelves, whether the return air temperature being in the indoor set of holding state described in again judging meets described pre-conditioned;
If the return air temperature being in the indoor set of holding state described in again judging does not meet described pre-conditioned, then the indoor set being in holding state described in controlling opens operation according to present instruction.
5. the control method of indoor set in multiple on-line system as claimed in claim 4, it is characterized in that, in step s 2, if the return air temperature being in the indoor set of holding state described in judging does not meet described pre-conditioned, then the indoor set being in holding state described in controlling opens operation according to present instruction.
6. a multiple on-line system, is characterized in that, comprising:
Off-premises station;
Multiple indoor set;
Temperature detecting module, described temperature detecting module is for detecting the return air temperature of each indoor set in described multiple indoor set;
Control module, when described control module is prepared proceed to holding state or prepared to proceed to running status by current idle state by current operating conditions for any one indoor set in described multiple indoor set, judge whether the return air temperature of this indoor set meets pre-conditioned, wherein
If it is described pre-conditioned that described control module judges that the return air temperature of this indoor set meets, the choke valve then controlled in this indoor set is in closed condition, and control after this indoor set runs the first Preset Time with current wind shelves, it is described pre-conditioned that described control module judges whether the return air temperature of this indoor set meets again, and control according to the state of the result again judged to described indoor set.
7. multiple on-line system as claimed in claim 6, is characterized in that,
When this indoor set runs with heating mode, if the return air temperature of this indoor set is more than or equal to design temperature and the compensation temperature sum preset, it is described pre-conditioned that described control module then judges that the return air temperature of this indoor set meets;
When this indoor set runs in a chiller mode, if the return air temperature of this indoor set is less than or equal to design temperature and the compensation temperature sum preset, it is described pre-conditioned that described control module then judges that the return air temperature of this indoor set meets.
8. multiple on-line system as claimed in claim 7, is characterized in that,
If it is described pre-conditioned that described control module judges that the return air temperature of this indoor set meets again, then control this indoor set and enter holding state by running status;
If it is described pre-conditioned that described control module judges that the return air temperature of this indoor set does not meet again, the state then controlled before this indoor set is closed according to choke valve is run, until detect the return air temperature of this indoor set meet described pre-conditioned after, described control module controls this indoor set and enters holding state by running status.
9. multiple on-line system as claimed in claim 6, it is characterized in that, when in described multiple indoor set, any one indoor set is prepared to proceed to running status by current idle state, whether the return air temperature being in the indoor set of holding state described in described control module judges meets described pre-conditioned, wherein
If the return air temperature being in the indoor set of holding state described in described control module judges meets described pre-conditioned, described in then controlling, the choke valve be in the indoor set of holding state is in closed condition, and after the indoor set being in holding state described in controlling runs described first Preset Time with current wind shelves, whether the return air temperature being in the indoor set of holding state described in described control module judges again meets described pre-conditioned;
If the return air temperature being in the indoor set of holding state described in described control module judges again does not meet described pre-conditioned, then the indoor set being in holding state described in controlling opens operation according to present instruction.
10. multiple on-line system as claimed in claim 9, it is characterized in that, when in described multiple indoor set, any one indoor set is prepared to proceed to running status by current idle state, if the return air temperature being in the indoor set of holding state described in described control module judgement does not meet described pre-conditioned, then the indoor set being in holding state described in controlling opens operation according to present instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142072.4A CN104729021B (en) | 2015-03-27 | 2015-03-27 | The control method and multiple on-line system of indoor set in multiple on-line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142072.4A CN104729021B (en) | 2015-03-27 | 2015-03-27 | The control method and multiple on-line system of indoor set in multiple on-line system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104729021A true CN104729021A (en) | 2015-06-24 |
| CN104729021B CN104729021B (en) | 2017-06-30 |
Family
ID=53453169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510142072.4A Active CN104729021B (en) | 2015-03-27 | 2015-03-27 | The control method and multiple on-line system of indoor set in multiple on-line system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104729021B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016589A (en) * | 2016-05-19 | 2016-10-12 | 广东美的制冷设备有限公司 | Regulation method and device for set temperature of air conditioner |
| CN106766420A (en) * | 2016-11-28 | 2017-05-31 | 广东美的暖通设备有限公司 | Multiple on-line system and its control method for heating the anti-hydrops of interior machine |
| CN110553339A (en) * | 2019-09-19 | 2019-12-10 | 宁波奥克斯电气股份有限公司 | Heat accumulation prevention control method and device for multi-split air conditioner and air conditioner |
| CN110594982A (en) * | 2019-09-19 | 2019-12-20 | 宁波奥克斯电气股份有限公司 | Air conditioner return air temperature detection, correction and control method |
| CN111219850A (en) * | 2020-01-17 | 2020-06-02 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner standby control method and device, multi-split air conditioner and storage medium |
| WO2021088359A1 (en) * | 2019-11-07 | 2021-05-14 | 青岛海尔空调器有限总公司 | Air conditioner shutdown control method and apparatus, and air conditioner |
| CN114076391A (en) * | 2020-08-17 | 2022-02-22 | 广东美的制冷设备有限公司 | Multi-split air conditioner, control method thereof, air conditioner control device and readable storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382315A (en) * | 2007-09-03 | 2009-03-11 | Lg电子株式会社 | Multi air conditioner system and auto changeover method for multi air conditioner system |
| US20090158759A1 (en) * | 2007-12-21 | 2009-06-25 | Lg Electronics Inc. | Air conditioning system |
| CN103206750A (en) * | 2013-04-12 | 2013-07-17 | 浙江大学 | Multi-split air conditioning system and status switching control method therefor |
| CN103644621A (en) * | 2013-11-15 | 2014-03-19 | 浙江大学 | Central arithmetic type multi-split air conditioner system and state switching control method thereof |
| WO2014083652A1 (en) * | 2012-11-29 | 2014-06-05 | 三菱電機株式会社 | Air conditioning device |
| CN103900215A (en) * | 2014-03-24 | 2014-07-02 | 四川长虹电器股份有限公司 | Detection method and air conditioner |
-
2015
- 2015-03-27 CN CN201510142072.4A patent/CN104729021B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382315A (en) * | 2007-09-03 | 2009-03-11 | Lg电子株式会社 | Multi air conditioner system and auto changeover method for multi air conditioner system |
| US20090158759A1 (en) * | 2007-12-21 | 2009-06-25 | Lg Electronics Inc. | Air conditioning system |
| WO2014083652A1 (en) * | 2012-11-29 | 2014-06-05 | 三菱電機株式会社 | Air conditioning device |
| CN103206750A (en) * | 2013-04-12 | 2013-07-17 | 浙江大学 | Multi-split air conditioning system and status switching control method therefor |
| CN103644621A (en) * | 2013-11-15 | 2014-03-19 | 浙江大学 | Central arithmetic type multi-split air conditioner system and state switching control method thereof |
| CN103900215A (en) * | 2014-03-24 | 2014-07-02 | 四川长虹电器股份有限公司 | Detection method and air conditioner |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016589A (en) * | 2016-05-19 | 2016-10-12 | 广东美的制冷设备有限公司 | Regulation method and device for set temperature of air conditioner |
| CN106016589B (en) * | 2016-05-19 | 2019-11-08 | 广东美的制冷设备有限公司 | The adjusting method and device of air-conditioning set temperature |
| CN106766420A (en) * | 2016-11-28 | 2017-05-31 | 广东美的暖通设备有限公司 | Multiple on-line system and its control method for heating the anti-hydrops of interior machine |
| CN106766420B (en) * | 2016-11-28 | 2019-10-01 | 广东美的暖通设备有限公司 | Multi-line system and its heating in the anti-hydrops of machine control method |
| CN110553339A (en) * | 2019-09-19 | 2019-12-10 | 宁波奥克斯电气股份有限公司 | Heat accumulation prevention control method and device for multi-split air conditioner and air conditioner |
| CN110594982A (en) * | 2019-09-19 | 2019-12-20 | 宁波奥克斯电气股份有限公司 | Air conditioner return air temperature detection, correction and control method |
| WO2021088359A1 (en) * | 2019-11-07 | 2021-05-14 | 青岛海尔空调器有限总公司 | Air conditioner shutdown control method and apparatus, and air conditioner |
| CN111219850A (en) * | 2020-01-17 | 2020-06-02 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner standby control method and device, multi-split air conditioner and storage medium |
| CN111219850B (en) * | 2020-01-17 | 2022-05-31 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner standby control method and device, multi-split air conditioner and storage medium |
| CN114076391A (en) * | 2020-08-17 | 2022-02-22 | 广东美的制冷设备有限公司 | Multi-split air conditioner, control method thereof, air conditioner control device and readable storage medium |
| CN114076391B (en) * | 2020-08-17 | 2022-11-22 | 广东美的制冷设备有限公司 | Multi-split air conditioner, control method thereof, air conditioner control device and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104729021B (en) | 2017-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104729021A (en) | Control method of indoor unit in multiple on-line system and multiple on-line system | |
| CN104697120A (en) | VRV (Varied Refrigerant Volume) system and noise reduction control method thereof | |
| CN105157290A (en) | Air conditioner and defrosting control method thereof | |
| CN104676855A (en) | Variable-frequency air conditioner and coolant leakage detection method thereof | |
| AU2017347333B2 (en) | Fresh air handling unit control method and fresh air handling unit | |
| CN104596171A (en) | Air conditioner and control method and device of compressor motor in air conditioner | |
| CN104676944A (en) | Air conditioning system and cold media adjusting method thereof | |
| CN103512152B (en) | The control method of air-conditioning system and the coolant quantity for it | |
| CN104807129B (en) | The control method of air conditioner | |
| CN104864563A (en) | Control method and device of air conditioner | |
| CN104633841A (en) | Air conditioner and control method thereof | |
| US20180073756A1 (en) | Economizer having damper modulation | |
| CN105020843A (en) | Air conditioner control method, air conditioner control device and air conditioner | |
| CN104654532A (en) | Coolant control method of air conditioning system and air conditioning system | |
| WO2021223778A1 (en) | Electronic expansion valve failure detection method and device for multi-split air conditioner, and air conditioner | |
| CN104566816A (en) | Method and system for controlling indoor temperature/humidity | |
| CN104990204A (en) | Variable-frequency air conditioner and pressure detection method and device thereof | |
| CN104790191A (en) | Method and device for controlling dehumidifier and dehumidifier | |
| CN105180349A (en) | Air conditioner and control method and device of air conditioner | |
| CN103851752A (en) | Air conditioner and control method thereof | |
| CN104482633A (en) | Multi-split air-conditioning system and control method of multi-split air-conditioning system | |
| CN104566824A (en) | Air conditioner and control method thereof | |
| CN104422061A (en) | Air conditioner and quick start method thereof | |
| CN104776549A (en) | Air conditioner defrosting control method and defrosting device | |
| CN104676856A (en) | Air conditioner and refrigeration control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |