CN102162658A - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN102162658A CN102162658A CN2011101385703A CN201110138570A CN102162658A CN 102162658 A CN102162658 A CN 102162658A CN 2011101385703 A CN2011101385703 A CN 2011101385703A CN 201110138570 A CN201110138570 A CN 201110138570A CN 102162658 A CN102162658 A CN 102162658A
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Abstract
The invention discloses an air conditioner and a control method thereof. The air conditioner comprises a control component, an indoor unit on an indoor side and an outdoor unit on an outdoor side, wherein the indoor unit and the outdoor unit are connected through a pipeline to form a circular loop; a leakage detector for detecting the concentration of a combustible refrigerant is arranged near an electric control box of the indoor unit or near an air outlet; the air conditioner also comprises an air exchange device; the air exchange device comprises an air exchange fan with an air exchange motor; an air inlet of the air exchange device is provided with a filter screen and an insect-proof net; and an air outlet of the air exchange device is provided with a baffle which is opened with the rotation of the air exchange motor and closed with the stop of the air exchange motor. According to the invention, as the leakage detector and the air exchange device are added, after the indoor unit of the air conditioner is power-on and the refrigerant leaks during the operation, the concentration of the combustible refrigerant of unit volume in the house can be reduced through air exchange; and the air conditioner has the characteristics of simple and reasonable structure, safety, reliability and wide application range, and is flexible to operate and low in manufacturing cost.
Description
Technical field
The present invention relates to a kind of air-conditioner, particularly a kind of air-conditioner and control method thereof.
Background technology
Cold-producing medium R22 has destruction to ozone layer, is carrying out the R22 alternative aspect, and present main alternative refrigerant is R410A.The ODP of cold-producing medium R410A is zero, but GWP is higher.Along with the pay attention to day by day of international community to greenhouse effects, need seeking ODP be zero, the cold-producing medium that GWP is less, and the cold-producing medium that meets this requirement has R290, R32 etc.But these cold-producing mediums R290, R32 all have combustibility, and these flammable cold-producing mediums are under finite concentration, and the incendiary source that runs into certain energy will burn, in the room of sealing even have a risk of the blast of producing.Therefore, when air-conditioner after the flammable leakage of refrigerant of indoor generation, need the concentration of timely flammable cold-producing medium being discharged the room or reducing flammable cold-producing medium.
Summary of the invention
Purpose of the present invention aims to provide a kind of simple and reasonable, flexible operation, cost of manufacture air-conditioner and control method thereof low, safe and reliable, applied widely, to overcome weak point of the prior art.
A kind of air-conditioner by this purpose design, comprise control assembly, the off-premises station that is positioned at the indoor set of indoor and is positioned at the outside, indoor set and off-premises station connect into closed circuit by pipeline, it is characterized in that being provided with the leak detector that is used to detect flammable refrigerant concentration near the electric-controlled box of indoor set and/or near the air outlet, air-conditioner also comprises air interchanger, this air interchanger comprises the ventilation blower fan that has the motor of taking a breath, the air inlet of air interchanger is provided with screen pack and fly net, and the air outlet of air interchanger is provided with the rotation of ventilation motor and opens, with the ventilation motor stop and the baffle plate of closing.
Described air interchanger is arranged near the electric-controlled box of indoor set.
Described air interchanger is arranged in the casing of indoor set; Perhaps, air interchanger is arranged on outside the casing of indoor set.
One end of described air interchanger is communicated with indoor, and the other end of air interchanger is communicated with outdoor, both outdoor air can have been delivered to indoorly, also can deliver to indoor air outdoor.
Described leak detector is electrically connected with control assembly by holding wire, and the ventilation motor is electrically connected with control assembly.
Described ventilation blower fan comprises the centrifugation blade that is arranged in the ventilation shell.
The cold-producing medium that uses in the described air-conditioner is flammable cold-producing medium.
A kind of control method of air-conditioner, it is characterized in that at first starting after air-conditioner powers on leak detector detects, when around leak detector detects, having flammable cold-producing medium to leak, then the control program of air-conditioner is locked, air-conditioner does not process the instruction that receives, air-conditioner shows failure code and buzzer warning, and the indoor fan electric motor starting of air interchanger and air-conditioner is through t1 whole air-conditioner outage after the time; When not having flammable cold-producing medium to leak around leak detector detects, then air-conditioner is by the instruction works that receives; When air-conditioner in running, when leak detector has around detecting flammable cold-producing medium to leak, the off-premises station outage of air-conditioner, the control program of air-conditioner is locked, air-conditioner does not process the instruction that receives, air-conditioner shows failure code and buzzer warning.The indoor fan motor of air-conditioner turns round with top gear, and the ventilation electric motor starting is through t2 whole air-conditioner outage after the time.
Described t1 〉=30 second, t2 〉=60 second.
The present invention is by increasing leak detector and air interchanger, after making that indoor machine of air-conditioner in power on back and running the cold-producing medium leakage takes place, can both reduce the concentration of the flammable cold-producing medium of the unit volume in the room by ventilation, thereby reduce the burning risk of flammable cold-producing medium in the room, the safe operation of air-conditioner has obtained powerful guarantee, also more sound assurance user personal safety and safety of property.
That the present invention has is simple and reasonable, flexible operation, low, safe and reliable, the advantage of wide range of application of cost of manufacture.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the decomposition texture schematic diagram of indoor set.
Fig. 3 is the decomposition texture schematic diagram of air interchanger.
Fig. 4 is control principle figure of the present invention.
Fig. 5 is a control flow chart of the present invention.
Among the figure: 1 is air interchanger, and 2 are the ventilation flexible pipe, and 3 is buzzer, 4 is evaporimeter, and 5 is leak detector, and 6 is interior machine base, 7 is the indoor fan motor, and 8 is control assembly, and 9 is front plane frame, 10 is centrifugation blade, and 11 are the ventilation motor, and 12 are the ventilation shell, 13 is screen pack, and 14 is fly net, and 15 is centrifugal wind wheel, 16 is baffle plate, and 17 is compressor, and 18 is the outdoor fan motor.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Referring to Fig. 1-Fig. 3, air-conditioner, the off-premises station that comprises control assembly 8, is positioned at the indoor set of indoor and is positioned at the outside, indoor set and off-premises station connect into closed circuit by pipeline, and indoor and outside are divided with wall.
Be provided with the leak detector 5 that is used to detect flammable refrigerant concentration near the electric-controlled box of indoor set and/or near the air outlet, air-conditioner also comprises air interchanger 1, this air interchanger 1 comprises the ventilation blower fan that has the motor 11 of taking a breath, the air inlet of air interchanger 1 is provided with screen pack 13 and fly net 14, the air outlet of air interchanger 1 be provided with the rotation of ventilation motor 11 open, with ventilation motor 11 stop and the baffle plate 16 of closing.
In the present embodiment, air interchanger 1 is arranged in the casing of indoor set.Indoor machine of air-conditioner comprises air interchanger 1, ventilation flexible pipe 2, buzzer 3, evaporimeter 4, leak detector 5, interior machine base 6, indoor fan motor 7, control assembly 8, front plane frame 9 and centrifugation blade 10.Wherein, as shown in Figure 2, air interchanger comprises ventilation motor 11, ventilation shell 12, screen pack 13, fly net 14, centrifugal wind wheel 15 and baffle plate 16.The off-premises station of air-conditioner comprises compressor 17, outdoor fan motor 18.
Air-conditioner is when normal operation, when leak detector 5 detect indoor set or indoor set around flammable leakage of refrigerant takes place after, ventilation motor 11 starts, baffle plate 16 is opened, by ventilation flexible pipe 2 the new wind of outside is delivered to indoorly, reduced the flammable refrigerant concentration in the room.
Referring to Fig. 4, leak detector 4 be responsible for carrying out flammable cold-producing medium concentration signal collection and be input in the control assembly 8 and analyze and handle, and by the corresponding control signal of control assembly 8 outputs to compressor 17, indoor fan motor 7, ventilation motor 11, outdoor fan motor 18, buzzer 3.
Referring to Fig. 5, after air-conditioner powers on standby, at first start leak detector and detect 5, when leak detector 5 detect indoor set around when having flammable cold-producing medium to leak, then the control program of air-conditioner is locked, air-conditioner does not process the instruction that receives, and air-conditioner shows failure code and report to the police by buzzer 3 that the indoor fan motor 7 of air interchanger 1 and air-conditioner starts, indoor fan motor 7 is with the running of high wind shelves, and ventilation motor 11 starts.Through t1 whole air-conditioner outage after the time.The t1 here 〉=30 second can be selected 30 seconds.
When not having flammable cold-producing medium to leak around leak detector 5 detects, then air-conditioner is by the instruction operate as normal that receives.
When air-conditioner in running, leak detector 5 detect indoor set around when having flammable cold-producing medium to leak, the off-premises station outage of air-conditioner, compressor 17 and 18 outages of outdoor fan motor just, the control program of air-conditioner is locked, air-conditioner does not process the instruction that receives, and air-conditioner shows failure code and buzzer warning.The indoor fan motor 7 of air-conditioner is with the top gear running, and ventilation motor 11 starts, through t2 whole air-conditioner outage after the time.The t2 here 〉=60 second can be selected 5 minutes.
Re-power after air-conditioner is because of the outage of flammable leakage of refrigerant and still show failure code, the user can't start shooting, need be by can normally moving after the control program release of maintenance personal to air-conditioner.
Above-mentioned listed specific implementation is nonrestrictive, to one skilled in the art, is not departing from the scope of the invention, and various improvement and the variation carried out all belong to protection scope of the present invention.
Claims (9)
1. air-conditioner, comprise control assembly (8), the off-premises station that is positioned at the indoor set of indoor and is positioned at the outside, indoor set and off-premises station connect into closed circuit by pipeline, it is characterized in that being provided with the leak detector (5) that is used to detect flammable refrigerant concentration near the electric-controlled box of indoor set and/or near the air outlet, air-conditioner also comprises air interchanger (1), this air interchanger (1) comprises the ventilation blower fan that has ventilation motor (11), the air inlet of air interchanger (1) is provided with screen pack (13) and fly net (14), and the air outlet of air interchanger (1) is provided with the rotation of ventilation motor (11) and opens, with ventilation motor (11) stop and the baffle plate (16) of closing.
2. air-conditioner according to claim 1 is characterized in that described air interchanger (1) is arranged near the electric-controlled box of indoor set.
3. air-conditioner according to claim 1 is characterized in that described air interchanger (1) is arranged in the casing of indoor set; Perhaps, air interchanger is arranged on outside the casing of indoor set.
4. air-conditioner according to claim 1 is characterized in that an end of described air interchanger (1) is communicated with indoor, and the other end of air interchanger is communicated with outdoor, both outdoor air can have been delivered to indoorly, also can deliver to indoor air outdoor.
5. air-conditioner according to claim 1 is characterized in that described leak detector (5) is electrically connected with control assembly (8) by holding wire, and ventilation motor (11) is electrically connected with control assembly (8).
6. air-conditioner according to claim 5 is characterized in that described ventilation blower fan comprises the centrifugation blade (10) that is arranged in the ventilation shell (12).
7. according to the arbitrary described air-conditioner of claim 1 to 6, it is characterized in that the cold-producing medium that uses in the described air-conditioner is flammable cold-producing medium.
8. the control method of an air-conditioner according to claim 1, it is characterized in that after air-conditioner powers on, at first starting leak detector and detect (5), when around leak detector (5) detects, having flammable cold-producing medium to leak, then the control program of air-conditioner is locked, air-conditioner does not process the instruction that receives, air-conditioner shows failure code and buzzer (3) warning, and the indoor fan motor (7) of air interchanger (1) and air-conditioner starts, through t1 whole air-conditioner outage after the time; When not having flammable cold-producing medium to leak around leak detector (5) detects, then air-conditioner is by the instruction works that receives;
When air-conditioner in running, when having flammable cold-producing medium to leak around leak detector (5) detects, the off-premises station outage of air-conditioner, the control program of air-conditioner is locked, air-conditioner does not process the instruction that receives, and air-conditioner shows failure code and buzzer (3) warning; The indoor fan motor (7) of air-conditioner is with the top gear running, and ventilation motor (11) starts, through t2 whole air-conditioner outage after the time.
9. the control method of air-conditioner according to claim 8 is characterized in that described t1 〉=30 second, t2 〉=60 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101385703A CN102162658A (en) | 2011-05-26 | 2011-05-26 | Air conditioner and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011101385703A CN102162658A (en) | 2011-05-26 | 2011-05-26 | Air conditioner and control method thereof |
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| CN102162658A true CN102162658A (en) | 2011-08-24 |
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| CN2011101385703A Pending CN102162658A (en) | 2011-05-26 | 2011-05-26 | Air conditioner and control method thereof |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673207A (en) * | 2012-09-24 | 2014-03-26 | 珠海格力电器股份有限公司 | Hydrocarbon refrigerant concentration control system, hydrocarbon air conditioner and method for controlling refrigerant concentration |
| CN104864514A (en) * | 2014-02-24 | 2015-08-26 | 珠海格力电器股份有限公司 | Air conditioner, outdoor unit thereof and control method of air conditioner |
| CN105004492A (en) * | 2015-07-16 | 2015-10-28 | 珠海格力电器股份有限公司 | Method and device for detecting leakage of refrigerant of air conditioning unit |
| CN105180265A (en) * | 2015-07-14 | 2015-12-23 | 广东美的制冷设备有限公司 | Air conditioner |
| JP2016070568A (en) * | 2014-09-29 | 2016-05-09 | 日立アプライアンス株式会社 | Indoor unit of air conditioner |
| CN105705888A (en) * | 2013-11-12 | 2016-06-22 | 大金工业株式会社 | Infoor unit |
| CN106052038A (en) * | 2016-07-04 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioning system, air conditioning control method and device |
| CN106196536A (en) * | 2015-07-14 | 2016-12-07 | 威能集团股份有限公司 | Possesses the air duct blow equipment of ventilation closing organ |
| CN106369741A (en) * | 2016-08-26 | 2017-02-01 | 珠海格力电器股份有限公司 | Control method and device and air conditioner |
| CN107228458A (en) * | 2017-06-21 | 2017-10-03 | 广东美的暖通设备有限公司 | For bathroom air handling system and its control method |
| CN107328022A (en) * | 2017-07-05 | 2017-11-07 | Tcl德龙家用电器（中山）有限公司 | The control method and mobile air-conditioner of mobile air-conditioner |
| CN107889408A (en) * | 2017-12-08 | 2018-04-06 | 广东美的制冷设备有限公司 | Electric-controlled box and air conditioner |
| EP3228957A4 (en) * | 2014-12-05 | 2018-08-22 | Daikin Industries, Ltd. | Air conditioner |
| CN108779949A (en) * | 2016-03-23 | 2018-11-09 | 三菱电机株式会社 | Refrigerating circulatory device |
| CN109237606A (en) * | 2017-05-04 | 2019-01-18 | 奥克斯空调股份有限公司 | A kind of air conditioner indoor unit |
| CN111164352A (en) * | 2017-10-04 | 2020-05-15 | 比泽尔制冷设备有限公司 | Refrigerant compressor arrangement |
| CN114151922A (en) * | 2021-09-30 | 2022-03-08 | 杭州先途电子有限公司 | Control method, controller and air conditioning system |
| CN115076893A (en) * | 2022-05-20 | 2022-09-20 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner, air conditioner and storage medium |
| CN115143592A (en) * | 2022-06-30 | 2022-10-04 | 海信空调有限公司 | Air conditioner |
| WO2024001376A1 (en) * | 2022-06-30 | 2024-01-04 | 海信空调有限公司 | Air conditioner |
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673207A (en) * | 2012-09-24 | 2014-03-26 | 珠海格力电器股份有限公司 | Hydrocarbon refrigerant concentration control system, hydrocarbon air conditioner and method for controlling refrigerant concentration |
| CN105705888B (en) * | 2013-11-12 | 2017-11-17 | 大金工业株式会社 | Indoor set |
| CN105705888A (en) * | 2013-11-12 | 2016-06-22 | 大金工业株式会社 | Infoor unit |
| CN104864514A (en) * | 2014-02-24 | 2015-08-26 | 珠海格力电器股份有限公司 | Air conditioner, outdoor unit thereof and control method of air conditioner |
| JP2016070568A (en) * | 2014-09-29 | 2016-05-09 | 日立アプライアンス株式会社 | Indoor unit of air conditioner |
| US10527310B2 (en) | 2014-12-05 | 2020-01-07 | Daikin Industries, Ltd. | Air conditioner |
| EP3228957A4 (en) * | 2014-12-05 | 2018-08-22 | Daikin Industries, Ltd. | Air conditioner |
| CN105180265B (en) * | 2015-07-14 | 2018-10-26 | 广东美的制冷设备有限公司 | Air conditioner |
| CN105180265A (en) * | 2015-07-14 | 2015-12-23 | 广东美的制冷设备有限公司 | Air conditioner |
| CN106196536A (en) * | 2015-07-14 | 2016-12-07 | 威能集团股份有限公司 | Possesses the air duct blow equipment of ventilation closing organ |
| CN106196536B (en) * | 2015-07-14 | 2019-01-08 | 威能集团股份有限公司 | The air duct blow equipment for having ventilation closing organ |
| CN105004492A (en) * | 2015-07-16 | 2015-10-28 | 珠海格力电器股份有限公司 | Method and device for detecting leakage of refrigerant of air conditioning unit |
| CN108779949B (en) * | 2016-03-23 | 2020-11-03 | 三菱电机株式会社 | Refrigeration cycle device |
| CN108779949A (en) * | 2016-03-23 | 2018-11-09 | 三菱电机株式会社 | Refrigerating circulatory device |
| CN106052038A (en) * | 2016-07-04 | 2016-10-26 | 珠海格力电器股份有限公司 | Air conditioning system, air conditioning control method and device |
| CN106369741A (en) * | 2016-08-26 | 2017-02-01 | 珠海格力电器股份有限公司 | Control method and device and air conditioner |
| CN109237606A (en) * | 2017-05-04 | 2019-01-18 | 奥克斯空调股份有限公司 | A kind of air conditioner indoor unit |
| CN107228458B (en) * | 2017-06-21 | 2020-03-03 | 广东美的暖通设备有限公司 | Air conditioning system for bathroom and control method thereof |
| CN107228458A (en) * | 2017-06-21 | 2017-10-03 | 广东美的暖通设备有限公司 | For bathroom air handling system and its control method |
| CN107328022A (en) * | 2017-07-05 | 2017-11-07 | Tcl德龙家用电器（中山）有限公司 | The control method and mobile air-conditioner of mobile air-conditioner |
| CN111164352A (en) * | 2017-10-04 | 2020-05-15 | 比泽尔制冷设备有限公司 | Refrigerant compressor arrangement |
| CN107889408A (en) * | 2017-12-08 | 2018-04-06 | 广东美的制冷设备有限公司 | Electric-controlled box and air conditioner |
| CN107889408B (en) * | 2017-12-08 | 2023-12-12 | 广东美的制冷设备有限公司 | Electric control box and air conditioner |
| CN114151922A (en) * | 2021-09-30 | 2022-03-08 | 杭州先途电子有限公司 | Control method, controller and air conditioning system |
| CN115076893A (en) * | 2022-05-20 | 2022-09-20 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner, air conditioner and storage medium |
| CN115143592A (en) * | 2022-06-30 | 2022-10-04 | 海信空调有限公司 | Air conditioner |
| WO2024001376A1 (en) * | 2022-06-30 | 2024-01-04 | 海信空调有限公司 | Air conditioner |
| CN115143592B (en) * | 2022-06-30 | 2024-04-05 | 海信空调有限公司 | Air conditioner |
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Application publication date: 20110824 |