CN101105320A - Method for controlling fan operation for multi-split air conditioner - Google Patents
Method for controlling fan operation for multi-split air conditioner Download PDFInfo
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- CN101105320A CN101105320A CNA2006100986868A CN200610098686A CN101105320A CN 101105320 A CN101105320 A CN 101105320A CN A2006100986868 A CNA2006100986868 A CN A2006100986868A CN 200610098686 A CN200610098686 A CN 200610098686A CN 101105320 A CN101105320 A CN 101105320A
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Abstract
The invention discloses a method for multi-split air conditioner to control the operation of blower when air conditioner is heating. The method comprises (1) judging whether the air conditioner meets heating operating condition, and implementing step (2) if meeting, otherwise, terminating; (2) the indoor air conditioner operates for a first predetermined time period; (3) judging whether the air conditioner meets heating operating condition, and implementing step (4) if meeting, otherwise, terminating; (4) judging whether the ambient temperature is lower than the set temperature, if lower, the indoor air conditioner implements heating, otherwise, implementing step (5); and (5) the indoor air conditioner stops operating for a second predetermined time period; and implementing the step (1). The invention provides a method for multi-split air conditioner to control the operation of blower to solve the problem that when multiple indoor air conditioners of a multi-split air conditioner simultaneously perform heating operation, the non-operated indoor air conditioner or the shut-down indoor air conditioner reaching the set temperature can normally start up.
Description
Technical field
The present invention relates to a kind of one method of dragging many air-conditioning control fan operations.
Background technology
At present, the embedded air-conditioner environment temperature sensor is positioned at indoor set air inlet port place and detects room temperature.Referring to Fig. 1, environment temperature sensor 1 is positioned at air inlet port 3 one sides.User's remote control air conditioner heating operation, when the temperature value of environment temperature sensor detection is lower than user's remote control setting temperature, the indoor apparatus of air conditioner start, on the contrary indoor apparatus of air conditioner is shut down.
One drags many embedded air-conditioners when heating operation, and after the environment temperature sensor of certain indoor set detected room temperature and reaches design temperature, this indoor set shutdown quit work.But drag this moment one other indoor sets of many air-conditionings still not run well because of environment temperature sensor measurement temperature value reaches design temperature probably.Still have refrigerant to pass through in the out-of-work indoor machine evaporation this moment, makes the environment temperature sensor environment temperature raise, so that be higher than the temperature of this room reality, so just can't normally start this indoor set.
The applying date is on January 11st, 2002, and application number is that 02114749.3 Chinese invention patent discloses a kind of one control method of dragging many air-conditionings.This patent disclosure a kind of control method that is used for dragging many air-conditionings, may further comprise the steps: (1), the indoor temperature Tr according to reality, user's design temperature Ts and actual indoor-unit cooling-medium temperature T n calculate actual indoor-unit cooling-medium temperature T n and the refrigerant temperature difference Δ Tn between the target refrigerant temperature Tn-set; (2), the indoor-unit cooling-medium temperature T n according to reality, off-premises station refrigerant temperature T g, outdoor temperature Ta, the total operating frequency Hz of compressor and actual compressor exhaust temperature Tb, calculate actual compressor exhaust temperature Tb and the delivery temperature difference Δ Tb between the target exhaust temperature Tk; (3), calculate the variation delta Ev of expansion valve opening Ev and the variation delta Hz of operating frequency Hz according to described refrigerant temperature difference Δ Tn and delivery temperature difference Δ Tb, according to described Δ Ev and Δ Hz, control expansion valve and compressor respectively by a multivariable controller.Though can realize that according to the described method of this patent one drags the control of many air-conditionings, be used for the temperature sensor of temperature T r in the measuring chamber to be installed in the air suction inlet position of indoor set equally, exist the problems referred to above equally.After the temperature sensor of certain indoor set detected room temperature and reaches design temperature, this indoor set shutdown quit work; Other indoor set environment temperature sensors measurement temperature values do not reach corresponding design temperature and still run well; Still have refrigerant to pass through in the out-of-work indoor machine evaporation this moment, makes the environment temperature sensor environment temperature raise, and is higher than the temperature of this room reality, so just can't normally start this indoor set.
Therefore, how to make one to drag many air-conditionings at a plurality of indoor sets simultaneously during heating operation, the indoor set of remote-controlled start-up or reach the indoor set that design temperature shuts down and can normally start start as required not is to need the problem that solves at present.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of one method of dragging many air-conditioning control fan operations; solved one and dragged many air-conditionings at a plurality of indoor sets simultaneously during heating operation, not the indoor set of remote-controlled start-up or reach indoor set that design temperature the shuts down problem of normal boot-strap as required.
Specifically, provided by the invention a kind of one drags the method for many air-conditionings control fan operations, the blower fan control when being used for air-conditioning and heating, and described method comprises:
1) judges that whether air-conditioning satisfies the heating condition condition, satisfies execution in step 2); Otherwise finish;
2) the indoor set blower fan moves first predetermined amount of time;
3) judge that whether air-conditioning satisfies the heating condition condition, satisfies execution in step 4); Otherwise execution in step 5);
4) whether judge environment temperature less than design temperature, if less than indoor set heating operation then, otherwise execution in step 5);
5) indoor set blower fan second predetermined amount of time out of service; Execution in step 1).
Of the present inventionly judge whether air-conditioning satisfies the heating condition condition and comprise:
A. judge whether indoor set is the heating mode operation, if execution in step B, otherwise finish;
B. judge whether off-premises station is the heating mode operation, if execution in step 2), otherwise finish.
Of the present inventionly judge whether air-conditioning satisfies the heating condition condition and also further comprise:
C. judge whether operate as normal of compressor, operate as normal execution in step 2), otherwise execution in step 5).
Of the present inventionly judge whether air-conditioning satisfies the heating condition condition and also comprise and judge whether thermal overload of indoor set, if there is not then execution in step 2 of thermal overload), otherwise execution in step 5).
Of the present inventionly judge whether anti-whether air-conditioning satisfy the heating condition condition and also comprise and judge indoor set cold wind, if anti-cold wind execution in step 2 then), otherwise execution in step 5).
Of the present inventionly judge whether air-conditioning satisfies the heating condition condition and also comprise judging whether off-premises station is in defrost process, if be not in then execution in step 2 of defrost process), otherwise execution in step 5).
Of the present inventionly judge whether air-conditioning satisfies the heating condition condition and also comprise judging whether off-premises station is in the oil return process, if be not in then execution in step 2 of oil return process), otherwise execution in step 5).
Of the present inventionly judge whether air-conditioning satisfies the heating condition condition and also comprise and judge indoor set or/and whether off-premises station has fault alarm, if execution in step 2 then not), otherwise execution in step 5).
Whether step 4) of the present invention is specially judges environment temperature less than design temperature and predetermined backoff value sum, if less than then starting the indoor set blower fan, the indoor set heating operation; Otherwise execution in step 5).
Step 4) of the present invention can also be to judge whether design temperature and predetermined backoff value sum are less than or equal to predetermined value with the difference of environment temperature again, if be less than or equal to then execution in step 5 of predetermined value), otherwise mechanism heat operation in the priming chamber.
Described environment temperature is to be measured by environment temperature sensor.
Compare with above-mentioned technology, because the present invention drags in the blower fan control of many embedded type air conditioners heating operation one, in the middle of heating operation, because the indoor set blower fan moves according to first predetermined amount of time, realized the circulation of air of air-conditioner and surrounding environment, make environment temperature sensor can correctly detect actual environment temperature, thereby can realize the operation of starting shooting timely.
Description of drawings
Fig. 1 is a prior art indoor machine structure schematic diagram;
Fig. 2 is a prior art indoor set internal structure schematic diagram;
Fig. 3 is a flow chart of the present invention;
Fig. 4 is an air conditioning condition decision flow chart of the present invention;
Fig. 5 is indoor set blower fan control sequential chart of the present invention.
The specific embodiment
The invention provides a kind of one method of dragging many air-conditioning control fan operations; solved one and dragged many air-conditionings at a plurality of indoor sets simultaneously during heating operation, not the indoor set of remote-controlled start-up or reach indoor set that design temperature the shuts down problem of normal boot-strap as required.
The course of work of embedded air-conditioner indoor set is described below in conjunction with Fig. 2.Fig. 2 is a prior art indoor set internal structure schematic diagram.
Embedded air-conditioner environment temperature sensor 1 is positioned at indoor set air inlet port 3 places, is used to detect room temperature.When user's remote control air conditioner heating operation, and the temperature value that detects of environment temperature sensor 1 is when being lower than user's remote control setting temperature, and indoor apparatus of air conditioner blower fan 4 starts operation.The temperature value that detects when environment temperature sensor 1 during more than or equal to user's remote control setting temperature air-conditioning indoor machine wind machine 4 out of service.
One drags many embedded air-conditioners when heating operation, and after other indoor set had heated running, the not indoor set of start was opened in remote control again; After perhaps the environment temperature sensor 1 of certain indoor set detected room temperature and reaches design temperature, these indoor set blower fan 4 shutdown quit work.Drag this moment one other indoor sets of many air-conditionings still not run well because of other environment temperature sensor measurement temperature value reaches corresponding indoor set design temperature.Therefore making still has refrigerant to pass through in the out-of-work indoor machine evaporation 5, makes environment temperature sensor 1 environment temperature raise, so that be higher than the temperature of this room reality, so just makes this indoor set normally to start.
In order to address the above problem, the invention provides a kind of control method, concrete control procedure is as follows.
Referring to Fig. 3, this figure is a flow chart of the present invention.
S101, multi-split air conditioner start operation;
S102, multi-split air conditioner carry out System self-test;
S103, multi-split air conditioner carry out initialization;
S104, judge whether an indoor set is the line traffic control control mode, if then carry out step S105, if not then carry out step S106;
S105, this indoor set move by other means, do not enter the blower fan control procedure;
Whether S106, air conditioning condition satisfy condition, and satisfy and carry out S107; Otherwise execution in step S105;
Concrete air conditioning condition condition is referring to Fig. 4.
S1061, judge that whether this indoor set is the heating mode operation, if execution in step S1062, otherwise execution in step S105;
S1062, judge that whether off-premises station is the heating mode operation, if execution in step S1063, otherwise execution in step S105;
S1063, judge whether compressor moves, if execution in step S1064, otherwise execution in step S109;
S1064, judge whether thermal overload of this indoor set, if execution in step S109, otherwise execution in step S1065;
S1065, judge the whether anti-cold wind of this indoor set, if execution in step S109, otherwise execution in step S1066;
S1066, judge whether off-premises station is in defrost process, if execution in step S109, otherwise execution in step S1067;
S1067, judge whether off-premises station is in the oil return process, if execution in step S109, otherwise execution in step S1068;
S1068, judge indoor set or/and whether off-premises station has fault alarm, if execution in step S109, otherwise execution in step S107;
S107, indoor set blower fan move the first predetermined amount of time t;
Whether S108, air conditioning condition satisfy condition, and satisfy and carry out S110; Otherwise execution in step S109;
Concrete air conditioning condition condition is referring to Fig. 4.
S1061, judge that whether this indoor set is the heating mode operation, if execution in step S1062, otherwise execution in step S105;
S1062, judge that whether off-premises station is the heating mode operation, if execution in step S1063, otherwise execution in step S105;
S1063, judge whether compressor moves, if execution in step S1064, otherwise execution in step S109;
S1064, judge whether thermal overload of this indoor set, if execution in step S109, otherwise execution in step S1065;
S1065, judge the whether anti-cold wind of this indoor set, if execution in step S109, otherwise execution in step S1066;
S1066, judge whether off-premises station is in defrost process, if execution in step S109, otherwise execution in step S1067;
S1067, judge whether off-premises station is in the oil return process, if execution in step S109, otherwise execution in step S1068;
S1068, judge indoor set or/and whether off-premises station has fault alarm, if execution in step S109, otherwise execution in step S110;
S109, the indoor set blower fan second predetermined amount of time T out of service, execution in step S106;
S110, whether judge environment temperature less than design temperature, if less than carrying out S111, otherwise execution in step S109;
Can also be whether to judge environment temperature less than design temperature and predetermined backoff value sum, if less than then carrying out S111, otherwise execution in step S109;
S111, indoor set enter heating operation.
Referring to Fig. 5, this figure is an indoor set blower fan control sequential chart of the present invention.
Drag in many embedded air-conditioners heating operation one, after A point environment temperature sensor detected environment temperature and reaches the remote control setting temperature, after the indoor set blower fan was shut down the second predetermined amount of time T, the indoor set blower fan started the operation first predetermined amount of time t.Whether judge the detected environment temperature of environment temperature sensor more than or equal to the remote control setting temperature, if more than or equal to the remote control setting temperature, the indoor set blower fan continues to shut down the second predetermined amount of time T.The indoor set blower fan starts the operation first predetermined amount of time t then; judge that more whether the detected environment temperature of environment temperature sensor is more than or equal to the remote control setting temperature; if more than or equal to the remote control setting temperature, the indoor set blower fan continues to shut down the second predetermined amount of time T.When the detected environment temperature of environment temperature sensor is lower than the remote control setting temperature, then shown in F point among the figure, continue the start operation behind the startup indoor set fan operation time t, and this indoor set changes normal heating mode operation over to.After environment temperature sensor detected environment temperature and reaches the remote control setting temperature, after the indoor set blower fan was shut down the second predetermined amount of time T, the indoor set blower fan started the operation first predetermined amount of time t.Judge once more whether the detected environment temperature of environment temperature sensor is higher than and the remote control setting temperature.Continue to repeat above-mentioned corresponding steps according to judged result.
The preferred embodiment for the present invention: drag in many embedded air-conditioners heating operation one; after A point environment temperature sensor detects environment temperature and reaches the remote control setting temperature; the indoor set blower fan is shut down; after 15 minutes; the indoor set blower fan starts operation 90 seconds; whether judge the detected environment temperature of environment temperature sensor more than or equal to the remote control setting temperature, if more than or equal to the remote control setting temperature, the indoor set blower fan continues to shut down 15 minutes.The indoor set blower fan starts operation 90 seconds then, whether judges the detected environment temperature of environment temperature sensor again more than or equal to the remote control setting temperature, if more than or equal to the remote control setting temperature, the indoor set blower fan continues to shut down 15 minutes.When the detected environment temperature of environment temperature sensor during, then shown among the figure 6, start the indoor set blower fan and continues the start operation after 90 seconds, and this indoor set changes normal heating mode over to and moves less than the remote control setting temperature.After environment temperature sensor detects environment temperature once more and reaches the remote control setting temperature; indoor set is shut down; the indoor set blower fan was shut down after 15 minutes, and the indoor set blower fan starts operation 90 seconds, judges that whether the detected environment temperature of environment temperature sensor is more than or equal to the remote control setting temperature.Continue to repeat above-mentioned corresponding steps according to judged result.
When the prior setting compensation temperature of indoor set, indoor set blower fan control procedure is as follows:
Drag in many embedded air-conditioners heating operation one; when A point environment temperature sensor detects environment temperature and reaches remote control setting temperature and compensation temperature sum; the indoor set blower fan is shut down; behind the second predetermined amount of time T; the indoor set blower fan starts the operation first predetermined amount of time t; judge that whether the detected environment temperature of environment temperature sensor is more than or equal to remote control setting temperature and compensation temperature sum; if more than or equal to remote control setting temperature and compensation temperature sum, the indoor set blower fan continues to shut down the second predetermined amount of time T.The indoor set blower fan starts the operation first predetermined amount of time t then; judge again whether the detected environment temperature of environment temperature sensor is higher than and remote control setting temperature and compensation temperature sum; if be higher than remote control setting temperature and compensation temperature sum, continue to keep shutting down the second predetermined amount of time T.When the detected environment temperature of environment temperature sensor is lower than remote control setting temperature and compensation temperature sum, then shown in F point among the figure, continue the start operation behind the startup indoor set fan operation time t, and this indoor set changes normal heating mode operation over to.When environment temperature sensor detects environment temperature and reaches remote control setting temperature and compensation temperature sum; after the indoor set blower fan is shut down the second predetermined amount of time T; the indoor set blower fan starts the operation first predetermined amount of time t, judges that whether the detected environment temperature of environment temperature sensor is more than or equal to remote control setting temperature and compensation temperature sum.Continue to repeat above-mentioned corresponding steps according to judged result.
The preferred embodiment for the present invention: drag in many embedded air-conditioners heating operation one, if the difference that remote control setting temperature, compensation temperature sum and environment temperature sensor detect environment temperature greater than predetermined value, the indoor set blower fan continues operation.The difference that detects environment temperature when remote control setting temperature and compensation temperature sum and environment temperature sensor is less than or equal to predetermined value, and after the indoor set blower fan was shut down the second predetermined amount of time T, the indoor set blower fan started the operation first predetermined amount of time t.Judge once more whether the difference that remote control setting temperature, compensation temperature sum and environment temperature sensor detect environment temperature is less than or equal to predetermined value, if be less than or equal to predetermined value, the indoor set blower fan continues to shut down the second predetermined amount of time T.The indoor set blower fan starts the operation first predetermined amount of time t then; judge again whether the difference that remote control setting temperature and compensation temperature sum and environment temperature sensor detect environment temperature is less than or equal to predetermined value; if be less than or equal to predetermined value, the indoor set blower fan continues to shut down the second predetermined amount of time T.The difference that detects environment temperature when remote control setting temperature and compensation temperature sum and environment temperature sensor is during greater than predetermined value, then shown in F point among the figure, continue the start operation after starting indoor set fan operation time t, and this indoor set changes normal heating mode operation over to.The difference that detects environment temperature when remote control setting temperature and compensation temperature sum and environment temperature sensor is less than or equal to predetermined value, and the indoor set blower fan is shut down the second predetermined amount of time T.The indoor set blower fan starts the operation first predetermined amount of time t then, judges that whether remote control setting temperature and compensation temperature sum and environment temperature sensor detect the difference of environment temperature smaller or equal to predetermined value.Continue to repeat above-mentioned steps according to judged result.
Described predetermined value can be set according to actual conditions, and it is as follows to be with predetermined value that 1 o'clock situation is that example specifies below.
The preferred embodiment for the present invention: drag in many embedded air-conditioners heating operation one, if the difference that remote control setting temperature and compensation temperature sum and environment temperature sensor detect environment temperature greater than 1, the indoor set blower fan continues operation.If detecting the difference of environment temperature, remote control setting temperature and compensation temperature sum and environment temperature sensor be less than or equal to 1; the indoor set blower fan is shut down; after 15 minutes; the indoor set blower fan starts operation 90 seconds; judge that whether remote control setting temperature and compensation temperature sum and environment temperature sensor detect the difference of environment temperature smaller or equal to 1; if be less than or equal to 1, continue to keep shutting down 15 minutes.The indoor set blower fan starts operation 90 seconds then, judges that again difference that remote control setting temperature and compensation temperature sum and environment temperature sensor detect environment temperature whether smaller or equal to 1, if be less than or equal to 1, continues maintenance shutdown 15 minutes.The difference that detects environment temperature when remote control setting temperature and compensation temperature sum and environment temperature sensor then shown in F point among the figure, starts the indoor set blower fan and continues the start operation after 90 seconds greater than 1, and this indoor set changes normal heating operation work over to and moves.After difference that remote control setting temperature and compensation temperature sum and environment temperature sensor detect environment temperature is less than or equal to 1; the indoor set blower fan was shut down after 15 minutes; the indoor set blower fan starts operation 90 seconds, judges that whether remote control setting temperature and compensation temperature sum and environment temperature sensor detect the difference of environment temperature smaller or equal to 1.Continue to repeat above-mentioned steps.
The design of blower fan control solves the problem that the environment temperature sensor that causes because of the structural reason of coil insertion device can't correctly detect the actual environment temperature when dragging many embedded air-conditioners heating operation by one.In the middle of heating operation, because the indoor set blower fan is according to programme controlled operation a period of time in the time interval, realized the circulation of air of air-conditioner and surrounding environment, made environment temperature sensor can correctly detect actual environment temperature, thus start operation timely.
Drag in the blower fan control of many embedded air-conditioners heating operation one; increase the indoor set blower fan and shut down control; after other indoor set has heated running; the not indoor set of start is opened in remote control again; perhaps after environment temperature sensor detected the room and reaches design temperature, this indoor set blower fan quit work.Drag this moment one other interior machines of multisystem still not run well because of environment temperature reaches design temperature; when this moment, this out-of-work indoor set blower fan reached second predetermined amount of time downtime; the indoor set blower fan will be opened operation according to the wind speed setting and first predetermined amount of time; when reaching for the first predetermined amount of time time; judge environment temperature sensor detected temperatures and remote control setting temperature this moment again, otherwise then start shooting according to then shutdown of heating mode operation when being lower than the remote control setting temperature.
In the middle of heating operation, because the indoor set blower fan moves according to first predetermined amount of time, realized the circulation of air of air-conditioner and surrounding environment, make environment temperature sensor can correctly detect actual environment temperature, thereby can realize the operation of starting shooting timely.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. method of dragging many air-conditionings control fan operations, the blower fan control when being used for air-conditioning and heating is characterized in that described method comprises:
1) judges that whether air-conditioning satisfies the heating condition condition, satisfies execution in step 2); Otherwise finish;
2) the indoor set blower fan moves first predetermined amount of time;
3) judge that whether air-conditioning satisfies the heating condition condition, satisfies execution in step 4); Otherwise execution in step 5);
4) whether judge environment temperature less than design temperature, if less than indoor set heating operation then, otherwise execution in step 5);
5) indoor set blower fan second predetermined amount of time out of service; Execution in step 1).
2. according to claim 1 one drags the method for many air-conditionings control fan operations, it is characterized in that, describedly judges whether air-conditioning satisfies the heating condition condition and comprise:
A. judge whether indoor set is the heating mode operation, if execution in step B, otherwise finish;
B. judge whether off-premises station is the heating mode operation, if execution in step 2), otherwise finish.
3. according to claim 1 one drags the method for many air-conditionings control fan operations, it is characterized in that, describedly judges whether air-conditioning satisfies the heating condition condition and also comprise:
C. judge whether operate as normal of compressor, operate as normal execution in step 2), otherwise execution in step 5).
4. according to claim 1 one drags the method for many air-conditioning control fan operations, it is characterized in that, describedly judge whether air-conditioning satisfies the heating condition condition and also comprise and judge whether thermal overload of indoor set, if there is not then execution in step 2 of thermal overload), otherwise execution in step 5).
5. according to claim 1 one drags the method for many air-conditioning control fan operations, it is characterized in that, describedly judge whether anti-whether air-conditioning satisfy the heating condition condition and also comprise and judge indoor set cold wind, if anti-cold wind execution in step 2 then), otherwise execution in step 5).
6. according to claim 1 one drags the method for many air-conditioning control fan operations, it is characterized in that, describedly judge whether air-conditioning satisfies the heating condition condition and also comprise judging whether off-premises station is in defrost process, if be not in then execution in step 2 of defrost process), otherwise execution in step 5).
7. according to claim 1 one drags the method for many air-conditioning control fan operations, it is characterized in that, describedly judge whether air-conditioning satisfies the heating condition condition and also comprise judging whether off-premises station is in the oil return process, if be not in then execution in step 2 of oil return process), otherwise execution in step 5).
8. according to claim 1 one drags the method for many air-conditioning control fan operations, it is characterized in that, describedly judge whether air-conditioning satisfies the heating condition condition and also comprise and judge indoor set or/and whether off-premises station has fault alarm, if execution in step 2 then not), otherwise execution in step 5).
9. drag the method for many air-conditioning control fan operations according to claim 1 to 8 arbitrary described, it is characterized in that, whether described step 4) is specially judges environment temperature less than design temperature and predetermined backoff value sum, if less than then starting the indoor set blower fan, the indoor set heating operation; Otherwise execution in step 5).
10. according to claim 9 one drags the method for many air-conditioning control fan operations, it is characterized in that, described step 4) is specially judges whether design temperature and predetermined backoff value sum are less than or equal to predetermined value with the difference of environment temperature again, if then execution in step 5), otherwise mechanism heat operation in the priming chamber.
11. the method according to claim 1 to 8 arbitrary described is dragged many air-conditioning control fan operations is characterized in that described environment temperature is to be measured by environment temperature sensor.
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| CN102563806B (en) * | 2012-01-09 | 2014-10-29 | 美的集团股份有限公司 | Method for controlling temperature of outlet air of air conditioner |
| CN102563806A (en) * | 2012-01-09 | 2012-07-11 | 广东美的电器股份有限公司 | Method for controlling temperature of outlet air of air conditioner |
| CN102829531A (en) * | 2012-09-25 | 2012-12-19 | 广东志高暖通设备股份有限公司 | Method for detecting ambient temperature of indoor unit of VRV |
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| CN104214893B (en) * | 2014-08-20 | 2017-02-15 | 芜湖美智空调设备有限公司 | Control method and control device of constant frequency multi-split air conditioner |
| CN104315658A (en) * | 2014-10-23 | 2015-01-28 | 广东美的暖通设备有限公司 | Air conditioning system control method and air conditioning system |
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| CN105423489B (en) * | 2015-11-30 | 2019-02-05 | 青岛海尔空调器有限总公司 | The control method of multi-split air conditioner |
| CN105423489A (en) * | 2015-11-30 | 2016-03-23 | 青岛海尔空调器有限总公司 | Control method for multi-split air conditioner |
| CN105864968A (en) * | 2016-04-11 | 2016-08-17 | 广东美的暖通设备有限公司 | Method and system for preventing misjudgment of environment temperature of multi-online indoor unit and air conditioner |
| CN106895562B (en) * | 2017-03-06 | 2018-10-19 | 珠海格力电器股份有限公司 | Anti-cold air control method, apparatus, air-conditioning and computer readable storage medium |
| CN106895562A (en) * | 2017-03-06 | 2017-06-27 | 珠海格力电器股份有限公司 | Anti-cold wind control method, device, air-conditioning and computer-readable recording medium |
| CN107062541B (en) * | 2017-04-07 | 2019-10-01 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method of outdoor fan, device |
| CN107062541A (en) * | 2017-04-07 | 2017-08-18 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method of outdoor fan, device |
| CN107120809A (en) * | 2017-06-13 | 2017-09-01 | 珠海格力电器股份有限公司 | A kind of control method of air-conditioning system, device and air-conditioning system |
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| CN113661364B (en) * | 2019-04-18 | 2023-03-10 | 三菱电机株式会社 | Control device for air conditioner, outdoor unit, relay unit, heat source unit, and air conditioner |
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| CN114251795A (en) * | 2021-12-03 | 2022-03-29 | 珠海格力电器股份有限公司 | One-driving-multiple air conditioner heating mode internal fan starting control method and device and air conditioner |
| CN114413449A (en) * | 2022-03-01 | 2022-04-29 | 青岛海尔空调器有限总公司 | Air conditioner control method, controller, air conditioner and storage medium |
| CN114623565A (en) * | 2022-03-29 | 2022-06-14 | 青岛海尔空调电子有限公司 | Multi-split air conditioning system and control method and control device thereof |
| CN114623565B (en) * | 2022-03-29 | 2024-02-20 | 青岛海尔空调电子有限公司 | Multi-split air conditioning system and control method and control device thereof |
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