CN105318491A - Air conditioner control method and device - Google Patents
Air conditioner control method and device Download PDFInfo
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- CN105318491A CN105318491A CN201410371075.0A CN201410371075A CN105318491A CN 105318491 A CN105318491 A CN 105318491A CN 201410371075 A CN201410371075 A CN 201410371075A CN 105318491 A CN105318491 A CN 105318491A
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Abstract
The invention discloses an air conditioner control method. The air conditioner control method comprises the following steps: flow of a refrigerant about to enter an indoor heat exchanger and/or an outdoor heat exchanger during operation of an air conditioner is acquired; the acquired flow of the refrigerant is compared with a preset flow level, and the flow level corresponding to the acquired flow of the refrigerant is acquired; the heat exchange area of the indoor heat exchanger and/or the outdoor heat exchanger is adjusted according to the flow level corresponding to the acquired flow of the refrigerant, so that the heat exchange area of the indoor heat exchanger and/or the outdoor heat exchanger is matched with the flow of the refrigerant. The invention further provides an air conditioner control device. With adoption of the air conditioner control method and device, not only are the requirements of the indoor heat exchanger for heat exchange met, but also sufficient use of the indoor heat exchanger is guaranteed, the heat exchange efficiency of the indoor heat exchanger is improved, and energy saving performance of the air conditioner is improved.
Description
Technical field
The present invention relates to air-conditioner field, particularly relate to a kind of control method and device of air-conditioner.
Background technology
Transducer air conditioning, by changing compressor frequency of supply, regulates compressor rotary speed, and then regulates air-conditioner refrigeration (heat) amount, to reach the object controlling room temperature.When frequency of supply height, air-conditioner refrigeration (heat) amount is just large; When frequency of supply is low, air-conditioner refrigeration (heat) amount is just little.The size variation that above-mentioned refrigeration (heat) is measured, must rely on the electric expansion valve in air-conditioner to regulate.But in the process of this adjustment, heat exchanger cannot realize the automatic adjustment of heat exchange area, and when air-conditioner low-frequency operation, heat exchanger heat exchange area is crossed senior general and caused waste, cause that heat-exchange temperature is too high, outlet superheat degree increases, make efficiency of heat exchanger too low.
Summary of the invention
Main purpose of the present invention to be intended to solve in prior art transducer air conditioning in change of frequency process, cannot the corresponding heat exchange area regulating heat exchanger, thus the technical problem causing efficiency of heat exchanger too low.
For achieving the above object, the invention provides a kind of control method of air-conditioner, described air-conditioner comprises compressor, indoor heat exchanger, outdoor heat exchanger, wherein said indoor heat exchanger comprises multiple heat exchange unit be set up in parallel, and/or described outdoor heat exchanger comprises multiple heat exchange unit be set up in parallel, the control method of described air-conditioner comprises the following steps:
Obtain when air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger;
The flow of obtained cold-producing medium and the flow grade that pre-sets are compared, the flow grade that the flow of the cold-producing medium obtained is corresponding;
The flow grade corresponding according to the flow of obtained cold-producing medium, regulate the running status of each heat exchange unit in described indoor heat exchanger and/or outdoor heat exchanger, to make the flow matches of the heat exchange area of described indoor heat exchanger and/or outdoor heat exchanger and described cold-producing medium.
Preferably, the flow for the cold-producing medium entering indoor heat exchanger and/or outdoor heat exchanger when described acquisition air-conditioner runs comprises:
Obtaining the frequency of compressor, obtaining when described air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger according to the frequency computation part of described compressor.
Preferably, the described flow grade pre-set comprises the running status of the heat exchange unit of at least two flow thresholds and indoor heat exchanger corresponding to flow threshold and/or outdoor heat exchanger, describedly the flow of obtained cold-producing medium and the flow grade that pre-sets are compared, the flow grade that the flow of the cold-producing medium obtained is corresponding comprises:
Flow threshold in the flow grade pre-set belonging to the flow of the cold-producing medium obtained;
The running status of indoor heat exchanger corresponding with described flow threshold in the flow grade pre-set described in acquisition and/or the heat exchange unit of outdoor heat exchanger.
Preferably, the described flow grade corresponding according to the flow of obtained cold-producing medium, regulate the running status of each heat exchange unit in described indoor heat exchanger and/or outdoor heat exchanger, comprise to make the flow matches of the heat exchange area of described indoor heat exchanger and/or outdoor heat exchanger and described cold-producing medium:
According to the running status of the heat exchange unit of the indoor heat exchanger corresponding with described flow threshold and/or outdoor heat exchanger in the flow grade pre-set described in obtained, the corresponding operation controlling each heat exchange unit in indoor heat exchanger and/or outdoor heat exchanger.
Preferably, for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger when described air-conditioner runs, obtained by the flow detector being arranged on the inlet duct side of described indoor heat exchanger and/or outdoor heat exchanger.
In addition, for achieving the above object, present invention also offers a kind of control device of air-conditioner, comprising:
Flow acquisition module, for obtaining when air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger;
Flow grade matching module, for the flow of obtained cold-producing medium and the flow grade that pre-sets are compared, the flow grade that the flow of the cold-producing medium obtained is corresponding;
Flow-control module, for the flow grade corresponding according to the flow of obtained cold-producing medium, regulate the running status of each heat exchange unit in described indoor heat exchanger and/or outdoor heat exchanger, to make the flow matches of the heat exchange area of described indoor heat exchanger and/or outdoor heat exchanger and described cold-producing medium.
Preferably, described flow acquisition module is used for: the frequency obtaining compressor, obtains when described air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger according to the frequency computation part of described compressor.
Preferably, described flow grade matching module is used for:
Flow threshold in the flow grade pre-set belonging to the flow of the cold-producing medium obtained;
The running status of indoor heat exchanger corresponding with described flow threshold in the flow grade pre-set described in acquisition and/or the heat exchange unit of outdoor heat exchanger.
Preferably, described flow-control module is used for:
According to the running status of the heat exchange unit of the indoor heat exchanger corresponding with described flow threshold and/or outdoor heat exchanger in the flow grade pre-set described in obtained, the corresponding operation controlling each heat exchange unit in indoor heat exchanger and/or outdoor heat exchanger.
Preferably, described flow acquisition module is the flow detector of the inlet duct side being arranged on described indoor heat exchanger and/or outdoor heat exchanger.
The present invention is by obtaining the change of measuring for the refrigeration (heat) entering indoor heat exchanger, regulate the heat exchange area of indoor heat exchanger, not only meet the heat exchange demand of indoor heat exchanger, also assures that making full use of of indoor heat exchanger, improve the heat exchange efficiency of indoor heat exchanger, improve the energy-conservation of air-conditioner.
Accompanying drawing explanation
Fig. 1 is the topology example figure of air-conditioner first embodiment that the present invention is correlated with;
Fig. 2 is the topology example figure of air-conditioner second embodiment that the present invention is correlated with;
Fig. 3 is the topology example figure of air-conditioner the 3rd embodiment that the present invention is correlated with;
Fig. 4 is the schematic flow sheet of the control method of air-conditioner of the present invention;
Fig. 5 is the high-level schematic functional block diagram of the control device of air-conditioner of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The change that when essential core thought of the present invention is to run according to air-conditioner, refrigeration (heat) is measured, control the heat exchange area of heat exchanger, flux matched with the refrigeration (heat) of the heat exchange area and air-conditioner that make heat exchanger, thus improve efficiency of heat exchanger.
As shown in Figure 1, the present invention based on air-conditioner can comprise compressor 10, cross valve 20, indoor heat exchanger 30 and outdoor heat exchanger 40, described compressor 10, cross valve 20, indoor heat exchanger 30 are communicated with by pipeline successively with outdoor heat exchanger 40, form circulation stream.And between described indoor heat exchanger 30 and outdoor heat exchanger 40, electric expansion valve 50 is set.Wherein said indoor heat exchanger 30 comprises multiple heat exchange unit be set up in parallel, and the entrance of each heat exchange unit all pools together, and is then communicated with outdoor heat exchanger 40; The outlet of each heat exchange unit all pools together, and is then communicated with cross valve 20.
The entrance correspondence of each heat exchange unit of above-mentioned indoor heat exchanger 30 arranges a switch member 31, or the outlet correspondence of each heat exchange unit of indoor heat exchanger 30 arranges a switch member, or the entrance of each heat exchange unit of indoor heat exchanger 30 and export equal correspondence switch member is set.In the present embodiment, a switch member is set in the entrance correspondence of each heat exchange unit of indoor heat exchanger 30.
In addition, the pipeline that above-mentioned indoor heat exchanger 30 is communicated with outdoor heat exchanger 40 is provided with flow detector 60, for detecting the flow of the cold-producing medium flowing into indoor heat exchanger 30.
The structure of above-mentioned indoor heat exchanger also can be applicable in outdoor heat exchanger.As shown in Figure 2, if above-mentioned outdoor heat exchanger 40 also comprises multiple heat exchange unit be set up in parallel, and the entrance of each heat exchange unit all pools together, and is then communicated with compressor 10; The outlet of each heat exchange unit all pools together, and is then communicated with indoor heat exchanger 30.The entrance correspondence of each heat exchange unit of this outdoor heat exchanger 40 arranges a switch member 41, or the outlet correspondence of each heat exchange unit of outdoor heat exchanger 40 arranges a switch member, or the entrance of each heat exchange unit of outdoor heat exchanger 40 and export equal correspondence switch member is set.In the present embodiment, a switch member is set in the entrance correspondence of each heat exchange unit of outdoor heat exchanger 40.In addition, the pipeline that above-mentioned outdoor heat exchanger 40 is communicated with compressor 10 is provided with flow detector 70, for detecting the flow of the cold-producing medium flowing into outdoor heat exchanger 40.
Be understandable that, due to the flow of refrigerant direction of air-conditioner during air-conditioner operation heating mode, contrary with the flow of refrigerant direction of air-conditioner during air-conditioner running refrigerating pattern, therefore in order to the heat exchange area that accurately controls heat exchanger with enter heat exchanger cold-producing medium flow change and adapt to regulate, as shown in Figure 3, in the present embodiment, switch member is set by the entrance of each heat exchanger of indoor heat exchanger and outlet correspondence, and the pipeline on described indoor heat exchanger both sides is equipped with flow detector.For indoor heat exchanger, during refrigeration mode, cold-producing medium flows into indoor heat exchanger 30 by outdoor heat exchanger 40, now will be detected the flow of described cold-producing medium by the flow detector 51 between heat exchanger 30 disposed in the interior and indoor heat exchanger 40, to make air-conditioner according to the changes in flow rate of described cold-producing medium, gauge tap part 31a and switch member 31b opens or closes.During heating mode, after cold-producing medium is discharged by compressor 10, flow in indoor heat exchanger 30 through cross valve 20, now will be detected the flow of described cold-producing medium by the flow detector 52 be arranged between cross valve 20 and indoor heat exchanger 30, to make air-conditioner according to the changes in flow rate of described cold-producing medium, gauge tap part 31a and switch member 31b opens or closes.In like manner, outdoor heat exchanger 40 can refer to the method enforcement of indoor heat exchanger 30 above.
Based on above-mentioned air-conditioner, the invention provides a kind of control method of air-conditioner.As shown in Figure 4, the control method of this air-conditioner comprises the following steps:
For entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger when step S110, acquisition air-conditioner run;
For indoor heat exchanger, by the flow detector 50 between heat exchanger 30 disposed in the interior and outdoor heat exchanger 40, obtain when air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger 30.For outdoor heat exchanger, by the flow detector 60 between heat exchanger 40 disposed in the outdoor and compressor 10, obtain when air-conditioner runs for entering the flow of the cold-producing medium of outdoor heat exchanger 40.
In another embodiment, because cold-producing medium is relevant with compressor frequency, and the frequency of compressor automatically adjusts according to indoor temperature T1 size, and when indoor temperature is higher, compressor operating frequency increases, and refrigerant flow increases; When indoor temperature is lower, compressor frequency reduces, and refrigerant flow reduces.Therefore, in the present embodiment, by obtaining indoor temperature, the frequency of compressor will be obtained, and then obtains the flow of cold-producing medium.Be specially: after air-conditioning remote control start when Indoor Control Device detects that indoor temperature T1 is higher, at this moment compressor runs high frequency automatically, and cooling system agent flux increases, need fast room temperature to be lowered; When reaching setting value when room temperature reduces gradually, at this moment compressor frequency reduces automatically, and cooling system agent flux reduces, and realizes the running of compressor low frequency energy-saving.Then obtain when described air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger according to the frequency computation part of compressor.Certainly, also can pre-set in this air-conditioner in the present embodiment, compressor frequency corresponding to variations in temperature and the mapping relations between refrigerant flow, therefore the change of detecting real-time indoor temperature, and according to the change of described indoor temperature, inquiring about the mapping relations table pre-set, can obtaining when described air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger.
In order to make the accurate acquisition of the flow of described cold-producing medium, if obtain when air-conditioner starts in the present embodiment, then treat the stable acquisition carrying out refrigerant flow afterwards again of air-conditioner.After air-conditioner starts 5 minutes, such as carry out the acquisition of refrigerant flow again.Certainly, other condition also can be set.
Step S120, the flow of obtained cold-producing medium and the flow grade that pre-sets to be compared, the flow grade that the flow of the cold-producing medium obtained is corresponding;
Flow grade will be pre-set in the present embodiment.This flow grade comprises the running status of the heat exchange unit of at least two flow thresholds and indoor heat exchanger corresponding to flow threshold and/or outdoor heat exchanger.For indoor heat exchanger, suppose that indoor heat exchanger has 3 heat exchange units, i.e. heat exchange unit 1, heat exchange unit 2 and heat exchange unit 3, its flow grade pre-set is as shown in table 1 below:
| Flow threshold | The running status of heat exchange unit in indoor heat exchanger |
| q≤q1 | Heat exchange unit 1 is opened, heat exchange unit 2 closes, heat exchange unit 3 closes |
| q1＜q≤q2 | Heat exchange unit 1 is opened, heat exchange unit 2 is opened, heat exchange unit 3 closes |
| q＞q2 | Heat exchange unit 1 is opened, heat exchange unit 2 is opened, heat exchange unit 3 is opened |
According to the flow grade pre-set, which flow threshold the flow of the cold-producing medium that determining step S110 obtains is positioned at, and then obtains the running status of each heat exchange unit in indoor heat exchanger corresponding to the threshold value of flow that judges.Such as, if judge the flow q < q1 of current refrigerant, then the running status obtaining heat exchange unit in indoor heat exchanger is: heat exchange unit 1 is opened, heat exchange unit 2 closes, heat exchange unit 3 closes.
Step S130, the flow grade corresponding according to the flow of obtained cold-producing medium, regulate the running status of each heat exchange unit in described indoor heat exchanger and/or outdoor heat exchanger, to make the flow matches of the heat exchange area of described indoor heat exchanger and/or outdoor heat exchanger and described cold-producing medium.
After the running status obtaining each heat exchange unit of indoor heat exchanger, under in control indoor heat exchanger, each heat exchange unit is in corresponding running status.Such as, if the running status of each heat exchange unit is in acquisition indoor heat exchanger: heat exchange unit 1 is opened, heat exchange unit 2 closes, heat exchange unit 3 closes, then the switch member controlled on the pipeline of heat exchange unit 1 place is in opening, the switch member controlled on the pipeline of heat exchange unit 2 place is in closed condition, and the switch member controlled on the pipeline of heat exchange unit 3 place is in closed condition.
Above-mentioned for indoor heat exchanger, according to obtained for entering the refrigerant flow in indoor heat exchanger, the corresponding running status regulating each heat exchange unit of indoor heat exchanger, to make the flow matches of the heat exchange area of indoor heat exchanger and described cold-producing medium.
Run in a heating mode by air-conditioner below, the change according to refrigerant flow regulates the heat exchange area of indoor heat exchanger to be example, is specifically described the control procedure of above-mentioned air-conditioner.
Air-conditioner starts and runs heating mode, compressor 10 sucks from the refrigerant in outdoor heat exchanger 40 rapidly, the refrigerant of the HTHP after compressor 10 compresses enters in indoor heat exchanger 30 and carries out condensing cooling, to become in high pressure the cold-producing medium of temperature, through electric expansion valve 50 throttling laggard enter outdoor heat exchanger 40.
After air conditioner heat-production runs 5min, start the flow detecting flow detector.When detecting that the flow q of air-conditioner reality is greater than setting flow q2, then control each heat exchange unit in indoor heat exchanger 30 and all run, to make whole indoor heat exchanger all participate in work, heating capacity increases, thus meets the heat exchange demand of air-conditioner.When detecting that the flow q of air-conditioner reality is less than setting flow q1, then control heat exchange unit 1 in indoor heat exchanger 30 to run, heat exchange unit 2 and heat exchange unit 3 out of service, not only meet the heat exchange demand of indoor heat exchanger, in turn ensure that the energy saving in running of indoor heat exchanger.When the flow q1<q≤q2 of air-conditioner reality being detected, then control heat exchange unit 1 and heat exchange unit 2 run, and heat exchange unit 3 is out of service, not only meets the heat exchange demand of indoor heat exchanger, in turn ensure that the energy saving in running of indoor heat exchanger.
The present invention is by obtaining the change of measuring for the refrigeration (heat) entering indoor heat exchanger, regulate the heat exchange area of indoor heat exchanger, not only meet the heat exchange demand of indoor heat exchanger, also assures that making full use of of indoor heat exchanger, improve the heat exchange efficiency of indoor heat exchanger, improve the energy-conservation of air-conditioner.
Accordingly, present invention also offers a kind of control device of air-conditioner.As shown in Figure 5, the control device of this air-conditioner comprises:
Flow acquisition module 110, for obtaining when air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger;
Flow grade matching module 120, for the flow of obtained cold-producing medium and the flow grade that pre-sets are compared, the flow grade that the flow of the cold-producing medium obtained is corresponding;
Flow-control module 130, for the flow grade corresponding according to the flow of obtained cold-producing medium, regulate the running status of heat exchange unit in described indoor heat exchanger and/or outdoor heat exchanger, to make the flow matches of the heat exchange area of described indoor heat exchanger and/or outdoor heat exchanger and described cold-producing medium.
In one embodiment, for indoor heat exchanger, by the flow detector 50 between heat exchanger 30 disposed in the interior and outdoor heat exchanger 40, can obtain when air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger 30.For outdoor heat exchanger, by the flow detector 60 between heat exchanger 40 disposed in the outdoor and compressor 10, can obtain when air-conditioner runs for entering the flow of the cold-producing medium of outdoor heat exchanger 40.
In another embodiment, because cold-producing medium is relevant with compressor frequency, therefore also can by obtaining the frequency of compressor, and the frequency of compressor automatically adjusts according to indoor temperature T1 size, when indoor temperature is higher, compressor operating frequency increases, and refrigerant flow increases; When indoor temperature is lower, compressor frequency reduces, and refrigerant flow reduces.Therefore, in the present embodiment, by obtaining indoor temperature, the frequency of compressor will be obtained, and then obtains the flow of cold-producing medium.Be specially: after air-conditioning remote control start when Indoor Control Device detects that indoor temperature T1 is higher, at this moment compressor runs high frequency automatically, and cooling system agent flux increases, need fast room temperature to be lowered; When reaching setting value when room temperature reduces gradually, at this moment compressor frequency reduces automatically, and cooling system agent flux reduces, and realizes the running of compressor low frequency energy-saving.Then obtain when described air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger according to the frequency computation part of compressor.Certainly, also can pre-set in this air-conditioner in the present embodiment, compressor frequency corresponding to variations in temperature and the mapping relations between refrigerant flow, therefore the change of detecting real-time indoor temperature, and according to the change of described indoor temperature, inquiring about the mapping relations table pre-set, can obtaining when described air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger.
In order to make the accurate acquisition of the flow of described cold-producing medium, if obtain when air-conditioner starts in the present embodiment, then treat the stable acquisition carrying out refrigerant flow afterwards again of air-conditioner.After air-conditioner starts 5 minutes, such as carry out the acquisition of refrigerant flow again.Certainly, other condition also can be set.
Flow grade will be pre-set in the present embodiment.This flow grade comprises the running status of the heat exchange unit of at least two flow thresholds and indoor heat exchanger corresponding to flow threshold and/or outdoor heat exchanger.Flow grade matching module 120 is according to the flow grade pre-set, judge which flow threshold the flow of the cold-producing medium that flow acquisition module 110 obtains is positioned at, and then obtain the running status of each heat exchange unit in indoor heat exchanger corresponding to the threshold value of flow that judges.
Flow-control module 130, after the running status obtaining indoor heat exchanger each heat exchange unit, controls under in indoor heat exchanger, each heat exchange unit is in corresponding running status.Such as, if the running status of each heat exchange unit is in acquisition indoor heat exchanger: heat exchange unit 1 is opened, heat exchange unit 2 closes, heat exchange unit 3 closes, then the switch member controlled on the pipeline of heat exchange unit 1 place is in opening, the switch member controlled on the pipeline of heat exchange unit 2 place is in closed condition, and the switch member controlled on the pipeline of heat exchange unit 3 place is in closed condition.
The present invention is by obtaining the change of measuring for the refrigeration (heat) entering indoor heat exchanger, regulate the heat exchange area of indoor heat exchanger, not only meet the heat exchange demand of indoor heat exchanger, also assures that making full use of of indoor heat exchanger, improve the heat exchange efficiency of indoor heat exchanger, improve the energy-conservation of air-conditioner.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, such as, control circuit in the electric-controlled box of air-conditioner, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprises some instructions and performs method described in each embodiment of the present invention in order to make air-conditioner.
The foregoing is only the preferred embodiments of the present invention; not thereby its scope of the claims is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. the control method of an air-conditioner, it is characterized in that, described air-conditioner comprises compressor, indoor heat exchanger, outdoor heat exchanger, wherein said indoor heat exchanger comprises multiple heat exchange unit be set up in parallel, and/or described outdoor heat exchanger comprises multiple heat exchange unit be set up in parallel, the control method of described air-conditioner comprises the following steps:
Obtain when air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger;
The flow of obtained cold-producing medium and the flow grade that pre-sets are compared, the flow grade that the flow of the cold-producing medium obtained is corresponding;
The flow grade corresponding according to the flow of obtained cold-producing medium, regulate the running status of each heat exchange unit in described indoor heat exchanger and/or outdoor heat exchanger, to make the flow matches of the heat exchange area of described indoor heat exchanger and/or outdoor heat exchanger and described cold-producing medium.
2. the control method of air-conditioner as claimed in claim 1, is characterized in that, the flow for the cold-producing medium entering indoor heat exchanger and/or outdoor heat exchanger when described acquisition air-conditioner runs comprises:
Obtaining the frequency of compressor, obtaining when described air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger according to the frequency computation part of described compressor.
3. the control method of air-conditioner as claimed in claim 1, it is characterized in that, the described flow grade pre-set comprises the running status of the heat exchange unit of at least two flow thresholds and indoor heat exchanger corresponding to flow threshold and/or outdoor heat exchanger, describedly the flow of obtained cold-producing medium and the flow grade that pre-sets are compared, the flow grade that the flow of the cold-producing medium obtained is corresponding comprises:
Flow threshold in the flow grade pre-set belonging to the flow of the cold-producing medium obtained;
The running status of indoor heat exchanger corresponding with described flow threshold in the flow grade pre-set described in acquisition and/or the heat exchange unit of outdoor heat exchanger.
4. the control method of air-conditioner as claimed in claim 3, it is characterized in that, the described flow grade corresponding according to the flow of obtained cold-producing medium, regulate the running status of each heat exchange unit in described indoor heat exchanger and/or outdoor heat exchanger, comprise to make the flow matches of the heat exchange area of described indoor heat exchanger and/or outdoor heat exchanger and described cold-producing medium:
According to the running status of the heat exchange unit of the indoor heat exchanger corresponding with described flow threshold and/or outdoor heat exchanger in the flow grade pre-set described in obtained, the corresponding operation controlling each heat exchange unit in indoor heat exchanger and/or outdoor heat exchanger.
5. the control method of air-conditioner as claimed in claim 1, it is characterized in that, for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger when described air-conditioner runs, obtained by the flow detector being arranged on the inlet duct side of described indoor heat exchanger and/or outdoor heat exchanger.
6. a control device for air-conditioner, is characterized in that, the control device of described air-conditioner comprises:
Flow acquisition module, for obtaining when air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger;
Flow grade matching module, for the flow of obtained cold-producing medium and the flow grade that pre-sets are compared, the flow grade that the flow of the cold-producing medium obtained is corresponding;
Flow-control module, for the flow grade corresponding according to the flow of obtained cold-producing medium, regulate the running status of each heat exchange unit in described indoor heat exchanger and/or outdoor heat exchanger, to make the flow matches of the heat exchange area of described indoor heat exchanger and/or outdoor heat exchanger and described cold-producing medium.
7. the control device of air-conditioner as claimed in claim 6, it is characterized in that, described flow acquisition module is used for: the frequency obtaining compressor, obtains when described air-conditioner runs for entering the flow of the cold-producing medium of indoor heat exchanger and/or outdoor heat exchanger according to the frequency computation part of described compressor.
8. the control device of air-conditioner as claimed in claim 6, it is characterized in that, described flow grade matching module is used for:
Flow threshold in the flow grade pre-set belonging to the flow of the cold-producing medium obtained;
The running status of indoor heat exchanger corresponding with described flow threshold in the flow grade pre-set described in acquisition and/or the heat exchange unit of outdoor heat exchanger.
9. the control device of air-conditioner as claimed in claim 8, it is characterized in that, described flow-control module is used for:
According to the running status of the heat exchange unit of the indoor heat exchanger corresponding with described flow threshold and/or outdoor heat exchanger in the flow grade pre-set described in obtained, the corresponding operation controlling each heat exchange unit in indoor heat exchanger and/or outdoor heat exchanger.
10. the control device of air-conditioner as claimed in claim 6, it is characterized in that, described flow acquisition module is the flow detector of the inlet duct side being arranged on described indoor heat exchanger and/or outdoor heat exchanger.
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| CN106247651A (en) * | 2016-08-19 | 2016-12-21 | 芜湖美智空调设备有限公司 | Refrigeration system and control method thereof and control device, air-conditioner |
| CN107883488A (en) * | 2017-10-23 | 2018-04-06 | 芜湖美智空调设备有限公司 | A kind of air conditioner and its control method |
| CN109114666A (en) * | 2017-06-22 | 2019-01-01 | 上海海立电器有限公司 | Frequency-conversion air-conditioning system |
| CN109442664A (en) * | 2018-11-06 | 2019-03-08 | 奥克斯空调股份有限公司 | A kind of the anti-freeze control method and air conditioner of air conditioner |
| CN110513836A (en) * | 2019-08-14 | 2019-11-29 | 海信（广东）空调有限公司 | Refrigeration system, air conditioner and control method of refrigeration system of air conditioner |
| CN111121361A (en) * | 2019-12-30 | 2020-05-08 | 海信容声(广东)冷柜有限公司 | Refrigerator and control method |
| CN113883608A (en) * | 2021-10-14 | 2022-01-04 | 青岛海信日立空调系统有限公司 | Outdoor unit of multi-connected unit |
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| CN106247651A (en) * | 2016-08-19 | 2016-12-21 | 芜湖美智空调设备有限公司 | Refrigeration system and control method thereof and control device, air-conditioner |
| CN109114666A (en) * | 2017-06-22 | 2019-01-01 | 上海海立电器有限公司 | Frequency-conversion air-conditioning system |
| CN109114666B (en) * | 2017-06-22 | 2020-07-07 | 上海海立电器有限公司 | Variable frequency air conditioning system |
| CN107883488A (en) * | 2017-10-23 | 2018-04-06 | 芜湖美智空调设备有限公司 | A kind of air conditioner and its control method |
| CN107883488B (en) * | 2017-10-23 | 2020-10-09 | 芜湖美智空调设备有限公司 | Air conditioner and control method thereof |
| CN109442664A (en) * | 2018-11-06 | 2019-03-08 | 奥克斯空调股份有限公司 | A kind of the anti-freeze control method and air conditioner of air conditioner |
| CN110513836A (en) * | 2019-08-14 | 2019-11-29 | 海信（广东）空调有限公司 | Refrigeration system, air conditioner and control method of refrigeration system of air conditioner |
| CN111121361A (en) * | 2019-12-30 | 2020-05-08 | 海信容声(广东)冷柜有限公司 | Refrigerator and control method |
| CN113883608A (en) * | 2021-10-14 | 2022-01-04 | 青岛海信日立空调系统有限公司 | Outdoor unit of multi-connected unit |
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|---|---|
| CN105318491B (en) | 2018-12-07 |
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